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WO2018196847A1 - 一种洗衣机的排水结构 - Google Patents

一种洗衣机的排水结构 Download PDF

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Publication number
WO2018196847A1
WO2018196847A1 PCT/CN2018/084809 CN2018084809W WO2018196847A1 WO 2018196847 A1 WO2018196847 A1 WO 2018196847A1 CN 2018084809 W CN2018084809 W CN 2018084809W WO 2018196847 A1 WO2018196847 A1 WO 2018196847A1
Authority
WO
WIPO (PCT)
Prior art keywords
inner cylinder
washing machine
drain
drainage
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/084809
Other languages
English (en)
French (fr)
Inventor
李以民
劳春峰
郝兴慧
吴迪
许升
吕艳芬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Washing Machine Co Ltd
Qingdao Haier Smart Technology R&D Co Ltd
Original Assignee
Qingdao Haier Washing Machine Co Ltd
Qingdao Haier Smart Technology R&D Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Washing Machine Co Ltd, Qingdao Haier Smart Technology R&D Co Ltd filed Critical Qingdao Haier Washing Machine Co Ltd
Priority to JP2019558791A priority Critical patent/JP7012095B2/ja
Priority to EP18790099.8A priority patent/EP3617384A4/en
Priority to US16/609,061 priority patent/US20200149208A1/en
Publication of WO2018196847A1 publication Critical patent/WO2018196847A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/02—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a horizontal axis
    • D06F23/025—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a horizontal axis with a rotatable imperforate tub
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/06—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about an inclined axis
    • D06F23/065—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about an inclined axis with a rotatable imperforate tub
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D06F37/302—Automatic drum positioning

Definitions

  • the invention belongs to the technical field of washing machines, and particularly relates to a washing machine which only has a rotatable and water-fillable inner cylinder, and particularly relates to a drainage structure of a washing machine.
  • the drum washing machine generally comprises an inner cylinder and an outer cylinder which are respectively arranged, the outer cylinder is sealed for holding water, the inner cylinder is for holding the laundry, the inner cylinder is rotated to wash the laundry, and at the same time, the inner cylinder is
  • the dewatering hole is arranged such that the water in the outer cylinder flows into the inner cylinder through the dehydration hole to soak the laundry in the inner cylinder, the water in the inner cylinder flows out through the dehydration hole to the outer cylinder, and the moisture in the inner cylinder is dehydrated when the inner cylinder rotates at a high speed
  • the holes are discharged to the outer cylinder for the purpose of washing the laundry.
  • the washing process of the washing machine is to wash and wash the laundry by rotating the inner cylinder, so that the washing capacity of the washing machine is based on the inner cylinder, and the internal space utilization rate of the washing machine is made. Lower, it is not possible to expand the washing capacity of the washing machine on an existing basis.
  • the washing machine drainage structure of the present invention is provided with a drain valve at the bottom of the inner cylinder, and a valve plug opening mechanism corresponding to the drain valve is arranged on the washing machine, so that the inner cylinder of the washing machine is positioned to the corresponding position and the valve plug opening mechanism is pushed.
  • the drain valve plug is opened to solve the problem of the discharge of the washing water in the inner cylinder, thereby realizing the sealing of the rotatable inner cylinder mouth, the water in the inner cylinder is not leaked during the normal working process of the washing machine, and the washing in the inner cylinder when the washing machine is drained
  • a drainage structure of a washing machine an inner cylinder is installed in the casing of the washing machine, a drain port is arranged on the inner cylinder, and a drain valve is installed at the drain port; the washing machine is further provided with a positioning lock that rotates the inner cylinder to a fixed drain position and is fixed The washing machine is provided with a spool opening mechanism for opening the drain valve after the inner cylinder is rotated to the fixed drain position, so that when the washing machine is drained and the inner cylinder is rotated to the fixed drain position, the drain valve is opened to make the washing water out of the inner cylinder.
  • the drain port is disposed at an outer side wall of the inner cylinder or an outer circumference of the front and rear ends; preferably, the inner cylinder is provided as a cone having a small diameter at one end and a large diameter at one end, and the drain port is disposed at an outer circumference of the large end of the inner cylinder.
  • the rear end of the inner cylinder is composed of an inner cylinder bottom, and the outer peripheral portion of the inner cylinder bottom is provided with a horizontally disposed drainage opening, and the drainage port is provided with a drainage valve; the drainage valve includes a valve core covering the drainage opening, and the valve core is limited
  • the position spring is connected to the bottom of the inner cylinder so that the valve core blocks the drain port from the inside to the outside under the action of the limit spring.
  • the rear end of the inner cylinder is mounted on the inner cylinder support, and the inner cylinder support is installed in the washing machine casing via the shock absorbing spring and/or the damper support rod; the valve core opening mechanism is mounted on the inner cylinder support.
  • valve core opening mechanism comprises a stepping motor mounted on the inner cylinder support member, and the output end of the stepping motor is mounted with a rotating wheel coaxially fixedly connected, the outer circumference of the rotating wheel is hinged with one end of the connecting rod, and the connecting rod is further connected One end passes through the limit hole provided in the inner cylinder support to move telescopically in the direction of the drain valve to push the spool to move into the inner cylinder to open the drain valve for drainage.
  • the valve core opening mechanism includes an electromagnet mounted on the inner cylinder support member, and the electromagnet is disposed corresponding to the drain valve, so that the drain valve and the electromagnet are coaxial when the inner cylinder is rotated to the fixed drain position.
  • the valve core of the drain valve is mounted with a magnet or the valve core is entirely composed of a magnet, so that the electromagnet is energized to provide electromagnetic repulsion to the valve core, and the valve core is pushed toward the inner side of the inner cylinder to open the drain valve for drainage.
  • the outer portion of the inner cylinder drain port is provided with a sump, and the bottom of the sump is connected with the washing machine drain pipe, and is collected after being drained from the outer drain outlet of the inner cylinder.
  • the water outlet is at the lowest position of the inner cylinder, and the water flow in the inner cylinder is concentrated to the drain outlet, and the drain outlet opened from the drain valve flows outward.
  • the water outlet is disposed at the outer circumference of the inner cylinder bottom, and the water outlet rotates to the bottom of the inner cylinder axis when the inner cylinder is in the fixed drainage position;
  • the water collection tank includes a groove below the water outlet, and the rear side wall of the groove extends vertically upward to The rear side of the drain port is spaced from the drain port by a certain distance to guide the drain water flowing out into the sump.
  • the sump is mounted on the inner cylinder support of the washing machine or integrally formed with the inner cylinder support, and the valve core opening mechanism is mounted on the sump.
  • the drain valve is in a closed state in the normal state of the washing machine, and the drain valve is in an open state by the positioning lock mechanism and the valve plug opening mechanism when the washing machine drains, so that the inner cylinder does not contain water when the inner cylinder rotates normally.
  • the water outlet flows out, thereby realizing the effect of the inner cylinder sealing and draining during the inner cylinder rotation process, and the drain valve opens the normal outer discharge of the water in the inner cylinder, thereby achieving the purpose of normal drainage of the washing machine with the dual inner rotation and the water filling effect; Therefore, the outer cylinder can be set without the need for the outer cylinder, which increases the volume of the inner cylinder and improves the washing capacity of the washing machine.
  • FIG. 1 is a schematic structural view of a washing machine in an embodiment of the present invention.
  • FIG. 2 is a schematic structural view showing the inner cylinder of the washing machine in a non-locked state according to an embodiment of the present invention
  • Figure 3 is a schematic view showing the structure of the inner cylinder lock state of the washing machine in the embodiment of the present invention.
  • FIG. 4 is a schematic structural view showing a closed state of a drain valve in an embodiment of the present invention.
  • Fig. 5 is a structural schematic view showing the state in which the drain valve is opened in the embodiment of the present invention.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • a washing machine As shown in FIG. 1 to FIG. 4, in the embodiment of the present invention, a washing machine is provided.
  • the washing machine comprises a casing 2, and an inner cylinder 1 is arranged in the casing 2.
  • the inner cylinder 1 extends horizontally or gradually downwards from front to back. It is provided that the front end of the inner cylinder 1 is an inner cylinder mouth 101 provided with an opening, and the inner cylinder bottom 102 of the inner end of the inner cylinder 1 is provided; the inner cylinder 1 has no through hole on the cylinder wall, so that the inner cylinder 1 is internally formed only by the front opening. Seal the container.
  • the front end of the washing machine casing 2 is provided with a door cover 4 that can be opened outward to close the inner cylinder mouth 101 after the door cover 4 is closed, and the purpose of placing the laundry from the inner cylinder mouth 101 into the inner cylinder 1 after opening the door cover 4 .
  • the rear end of the inner cylinder 1 is installed in the washing machine casing 2 via the inner cylinder support member 3, the inner cylinder support member 3 is coaxially disposed with the rear end of the inner cylinder 1, and the upper and lower ends of the inner cylinder support member 3 are respectively directed to the inner cylinder. 1
  • the front end of the mouth is bent, and the bent portion extends at least to the middle of the inner tube 1.
  • the upper and lower bent portions are respectively connected to the washing machine housing 2 via the damper spring 6 and the damper support rod 7 to realize the inner tube support 3
  • the inner cylinder bottom 102 is coaxially disposed with the motor shaft of the washing machine drive motor 5 to drive the inner cylinder 1 to rotate, and the inner cylinder 1 and the driving motor 5 are fixedly mounted on the motor housing 5;
  • the inner cylinder support member 3 is provided.
  • the inner cylinder bottom 102 and the driving motor 5 are respectively disposed on both sides of the inner cylinder support member 3, and the driving motor 5 is fixedly connected to the inner cylinder supporting member 3, and the motor shaft of the driving motor 5 passes through the inner cylinder supporting member through the bearing.
  • the shaft of the driving motor 5 can be rotated relative to the inner cylinder support member 3, so that the inner cylinder 1 and the driving motor 5 are mounted on the inner cylinder support member 3, and the inner cylinder 1 can be The purpose of washing the inner clothes by rotating under the action of the drive motor 5 alone.
  • a drainage structure of a washing machine an inner cylinder 1 is installed in the washing machine casing 2, a drain port 23 is arranged on the inner cylinder 1, a drain valve 24 in a normally closed state is installed at the drain port 23, and an inner cylinder is arranged on the washing machine 1 a positioning locking mechanism rotated to a fixed drainage position and fixed; the washing machine is provided with a spool opening mechanism that opens the drain valve 24 after the inner cylinder 1 is rotated to a fixed drainage position, so that when the washing machine is in a drain state, the inner cylinder 1 is rotated to After the drain position is fixed, the drain valve 24 is opened to allow the washing water in the inner cylinder to be discharged.
  • the drain valve is closed, the drain port is closed, and the water in the inner cylinder does not flow out from the drain port;
  • the inner cylinder of the washing machine is rotated to the fixed drain by the positioning locking mechanism.
  • Position, the spool opening mechanism on the washing machine is opened, pushing the drain valve plug to open, the drain port is open, and the water in the inner cylinder will flow out from the drain port.
  • the drain valve is in a closed state in the normal state of the washing machine, and the drain valve is in an open state by the positioning lock mechanism and the valve plug opening mechanism when the washing machine drains, so that the inner cylinder does not contain water when the inner cylinder rotates normally.
  • the water outlet flows out, thereby realizing the effect of the inner cylinder sealing and draining during the inner cylinder rotation process, and the drain valve opens the normal outer discharge of the water in the inner cylinder, thereby achieving the purpose of normal drainage of the washing machine with the dual inner rotation and the water filling effect; Therefore, the outer cylinder can be set without the need for the outer cylinder, which increases the volume of the inner cylinder and improves the washing capacity of the washing machine.
  • a drainage structure of a washing machine is introduced.
  • the inner casing 1 is installed in the washing machine casing 2, and the inner cylinder 1 is provided with a drain port 23, and the drain port 23 is installed at a normally closed drain valve 24;
  • the washing machine is provided with a positioning lock mechanism for rotating the inner cylinder 1 to a fixed drain position and fixed;
  • the washing machine is provided with a spool open to open the drain valve 24 after the inner cylinder 1 is rotated to a fixed drain position
  • the mechanism opens the drain valve 24 to discharge the washing water in the inner cylinder 1 when the inner cylinder 1 is rotated to the fixed drain position when the washing machine is in the drain state.
  • the drain port 23 is disposed at the outer side wall of the inner tube 1 or the outer circumference of the front and rear ends; preferably, the inner tube 1 is provided as a cone having a small diameter at one end and a large diameter at one end, and the drain port 23 is disposed at The outer circumference of the inner end of the inner tube 1 is large.
  • the rear end of the inner cylinder 1 is composed of the inner cylinder bottom 102, and the front end is composed of the inner cylinder mouth 101, and the two are connected via the inner cylinder side wall; the inner cylinder side wall is inward from the inner cylinder opening 101.
  • the cylindrical bottom 102 gradually enlarges the diameter of the tapered surface, the outer peripheral portion of the inner cylinder bottom 102 is provided with a horizontally disposed drain port 23, and the drain port 23 is provided with a drain valve 24; the drain valve 24 includes a spool covering the drain port 23.
  • the spool 25 is connected to the inner cylinder bottom 102 via the limit spring 26, so that the spool 25 blocks the drain port 23 from the inside to the outside under the action of the limit spring 26.
  • the limit spring By connecting the valve core through the limit spring and the bottom of the inner cylinder, the limit spring provides an elastic tension to the outer core of the inner cylinder of the phase, so that the valve core closely fits the bottom of the inner cylinder under the elastic force.
  • the valve core blocks the drain port and achieves the purpose of sealing the drain port.
  • the drain port 23 on the inner cylinder 1 is provided as a tapered hole which is gradually widened from the inner side to the outer side, the small end of the tapered hole is closed, and the through hole is provided on the side wall of the tapered hole to connect the inner tube
  • the inner and outer phases are connected, and the valve core 25 is a plate structure covering the large end of the tapered hole.
  • the tapered hole is provided with a limit spring 26 extending along the axis, and one end of the limit spring 26 is connected with the sealing portion of the small end of the tapered hole. The other end is connected to the spool 25, and the limit spring 26 is in a tensioned state to apply a thrust force to the spool 25 to the outside of the inner cylinder 1, so that the spool 25 blocks the drain port 24.
  • the rear end of the inner cylinder 1 is provided with an inner cylinder support member 3, and the inner cylinder support member 3 is mounted in the washing machine casing 2 via the damper spring 6 and/or the damper support rod 7; On the inner cylinder support 3.
  • the water outlet 23 is at the lowest point of the inner cylinder 1, and the water flow in the inner cylinder 1 is concentrated and flowed toward the water outlet 23, and the water outlet 23 opened from the drain valve 24 flows outward;
  • the spool opening mechanism is mounted on a side of the inner cylinder support 3 away from the inner cylinder 1, and is disposed opposite to the outer circumference of the inner cylinder 1, and the water outlet 23 and the connecting rod 28 of the valve core opening mechanism are disposed when the inner cylinder 1 is in the fixed drainage position.
  • the link 28 is axially expanded and contracted by the stepping motor and the rotating wheel 27, and the spool 25 of the drain valve 24 is pushed to move toward the inside of the inner cylinder 1 to open the drain port 23.
  • the spool opening mechanism includes a stepping motor mounted on the inner cylinder support member 3, and the output end of the stepping motor is mounted with a coaxially fixedly connected rotating wheel 27, rotating
  • the outer circumference of the wheel 27 is hinged with one end of the connecting rod 28, and the other end of the connecting rod 28 is telescopically moved in the direction of the drain valve 23 through the limiting hole provided in the inner cylinder supporting member 3 to push the spool 25 to the inner cylinder 1
  • the inner movement opens the drain valve 24 for drainage.
  • the sump 30 is correspondingly disposed on the outside of the drain port 23 of the inner cylinder 1, and the bottom of the sump 30 is connected to the washing machine drain pipe 31 to collect and drain the outer drain flow from the drain port 23 of the inner cylinder 1. .
  • the drain port 23 is disposed at the outer circumference of the inner cylinder bottom 102.
  • the drain port 23 rotates to the bottom of the inner cylinder 1 axis;
  • the sump 30 includes a corresponding groove below the drain port 23.
  • the rear side wall of the groove extends vertically upward to the rear side of the drain port 23 and is spaced apart from the drain port 23 to guide the outflow of the water outlet 23 into the sump 30 to avoid backwarding from the horizontally disposed drain port. The flowing drainage water flows out to the outside of the washing machine.
  • the front side wall of the sump 30 and the lower portion of the inner tube 1 of the washing machine are fitted together, or the gap is a minimum distance to ensure that the water in the sump 30 is not sputtered from the front end, thereby preventing the inner tube from overflowing. The occurrence of a flow situation.
  • the sump 30 is mounted on the inner cylinder support 3 of the washing machine or integrally formed with the inner cylinder support 3, and the valve core opening mechanism is mounted on the sump 30.
  • the positioning and locking mechanism can be any mechanism that can control the rotation of the inner cylinder of the washing machine to a fixed drainage position and is fixed.
  • a driving motor for driving the inner cylinder is provided with a corresponding control program to control the inner cylinder. Rotate to the fixed drain position and lock, so that the inner tube does not rotate.
  • the positioning locking mechanism as follows: as shown in FIG. 2 and FIG. 3, an inwardly recessed locking groove 34 is provided on the side wall of the inner cylinder 1, and the washing machine is provided with a corresponding setting corresponding to the locking groove 34.
  • the lock pin 41 is mounted on the washing machine housing 2 or the inner cylinder support 3 in the radial direction of the inner cylinder; as shown in FIG.
  • the lock pin 41 is driven by the driving device.
  • the lock pin 41 is disengaged from the lock groove 42, and the inner cylinder 1 is freely rotated; as shown in FIG. 3, when the lock pin 41 is ejected outward by the driving device, the lock pin 41 extends into the inner cylinder.
  • the inner cylinder 1 In the lock groove 42 on the 1st, the inner cylinder 1 is no longer rotated, and the inner cylinder 1 is in a fixed drain position, so that the drain port 23 is at a position corresponding to the spool opening mechanism.
  • the drain valve is closed, the inner cylinder is normally rotated, the water in the inner cylinder does not flow out from the drain outlet, and the laundry is normally washed; as shown in Fig. 5, during the drainage process of the washing machine, the inner cylinder Rotating to a fixed drainage position, the stepping motor pushes the rotating wheel to rotate, the rotating wheel drives the connecting rod to move toward the inner cylinder, and the end of the connecting rod pushes the drain valve plug at the relative position to move inside the inner cylinder, and the valve plug is overcome by the spring pulling force.
  • the water outlet is pushed open, and the water in the inner cylinder flows out from the open drain port.
  • the effluent water flows through the sump and is discharged from the drain pipe to the outside of the washing machine, thereby achieving the purpose of arranging the water in the inner cylinder.
  • valve core opening mechanism includes an electromagnet mounted on the inner cylinder support member 3, and the electromagnet is disposed corresponding to the drain valve 23 to rotate the inner cylinder 1 to be fixed.
  • the drain valve 23 and the electromagnet are in the coaxial direction;
  • the valve core 25 of the drain valve 23 is mounted with a magnet or the valve body is entirely composed of a magnet, so that the electromagnet is energized to provide electromagnetic repulsion to the spool 25, and the valve is pushed.
  • the core 25 is moved inward in the direction of the inner tube 1 to open the drain valve 23 for drainage.
  • the drain valve is closed, the inner cylinder rotates normally, the water in the inner cylinder does not flow out from the drain outlet, and the laundry is normally washed; during the draining process of the washing machine, the inner cylinder rotates to a fixed drainage position, the electromagnet is energized, and the electromagnetic The iron provides a repulsive force to the spool, so that the spool moves against the spring force against the spring force in the inner direction of the inner cylinder, so that the inner cylinder drain opening, the water in the inner cylinder flows out from the open drain, and the outflow water flows through the collecting tank and collects
  • the drain pipe is discharged to the outside of the washing machine, and the purpose of arranging the water in the inner cylinder can also be achieved.
  • a washing machine is provided with a door cover 4 mounted on the casing 2 of the washing machine.
  • the door cover 4 is connected to the inner cylinder cover 8 via a resilient mechanism, so that the elastic cover is closed to the inner cover after the door cover 4 is closed.
  • 8 provides the locking elastic force, so that the inner cylinder cover 8 is in sealing contact with the inner cylinder mouth 101, and the inner cylinder cover 8 rotates together with the inner cylinder 1 to realize that the inner cylinder cover 8 is fastened to the inner cylinder after the door cover 4 is closed
  • the mouth 101 achieves the purpose of sealing the inner cylinder 1.
  • the inner cylinder cover which is elastically pressed at the inner cylinder mouth is sealed, and the inner cylinder cover and the inner cylinder mouth are in sealing contact and rotate together during the washing process of the washing machine, thereby achieving the purpose of dynamic sealing of the cylinder mouth when the inner cylinder rotates.
  • the inner cylinder has the dual functions of rotating and holding water; at the same time, the outer cylinder can be set without the need to fit the outer cylinder, which increases the volume of the inner cylinder and improves the washing capacity of the washing machine.
  • the door cover 4 is disposed coaxially with the inner cylinder cover 8, and the door cover 4 and the inner cylinder cover 8 are connected by an elastic mechanism to close the inner cylinder cover 8 in a compressed state after the door cover 4 is closed.
  • the mechanism is pressed against the inner cylinder mouth 101.
  • the inner cylinder cover 8 is fixedly connected to the door cover 4 so that the inner cylinder cover 8 can be operated together with the door cover 4 to open and close, thereby achieving the purpose of opening and closing the inner cylinder mouth 101 of the inner cylinder cover 8.
  • the inner cylinder cover 8 and the door cover 4 are rotatable relative to the central axis so that the inner cylinder cover 8 and the inner cylinder 1 are hermetically fixedly connected after the washing machine is closed and the inner cylinder cover 8 can rotate together with the inner cylinder 1.
  • the inner cylinder cover 8 and the inner cylinder mouth 101 can be elasticized.
  • the card is connected to fix the inner cylinder cover and the inner cylinder mouth 101 after the door cover 4 is closed, and the inner cylinder cover moves together with the door cover 4 and is separated from the inner cylinder mouth 101 after the door cover 4 is opened.
  • the inner cylinder cover 8 is in sealing contact with the inner cylinder mouth 101 to be clamped and fixed to enhance the sealing property of the inner cylinder mouth 101.
  • the center of the inner cylinder cover 8 is connected with a rotating shaft 12 extending outwardly of the inner cylinder in the axial direction of the inner cylinder 1, and the inner cylinder cover 8 is rotatable about the rotating shaft.
  • One end of the rotating shaft 12 is rotatably connected to the inner cylinder cover 8, and the other end is connected to the door cover 4 via an elastic mechanism, and the elastic mechanism applies an elastic force to the inner cylinder cover 8, and drives the inner cylinder cover 8 to move in the direction of the inner cylinder opening 101.
  • the inner cylinder cover 8 is sealed and fastened to the inner cylinder mouth 101 to achieve sealing of the inner cylinder mouth 101.
  • the outer center of the inner cylinder cover 8 is provided with a mounting groove 11 extending outwardly.
  • the mounting groove 11 is provided with a bearing 12 mounted on the bearing shaft, and the rotating shaft 12 extends along the axial direction of the inner cylinder 1
  • the sleeve 8 is rotatable relative to the rotating shaft 12; the end of the rotating shaft 12 is fixedly connected with the door cover 4 via the spring 9 so that the spring 9 is in a compressed state after the door cover 4 is closed, so that the inner cylinder cover is in sealing contact with the inner cylinder mouth 101, And the inner cylinder cover 8 is rotatable relative to the door cover 4 about the rotation axis.
  • the insertion end of the rotating shaft 12 inserted into the mounting groove 11 of the inner cylinder cover 8 is provided with a convex portion protruding outward in the radial direction to be engaged with the mounting groove 11 of the inner cylinder cover 8 to make the rotating shaft 12 and the inner cylinder
  • the cover 8 is fixed in the axial direction.
  • the outer center of the inner cylinder cover 8 is outwardly convex.
  • An extending mounting groove 11 is provided.
  • the mounting groove 11 is provided with a bearing 12 mounted on the bearing shaft.
  • the rotating shaft 12 extends in the axial direction of the inner cylinder 1 so that the inner cylinder cover 8 can rotate relative to the rotating shaft 12; the rotating shaft 12 is mounted with the rotating shaft at the end
  • the support plate 10 is perpendicular to the axis 12, and the outer peripheral portion of the support plate 10 is fixedly coupled to the door cover 4 via a plurality of springs 9.
  • the diameter of the support plate 10 is greater than or equal to the diameter of the inner cylinder mouth 101, the support plate 10 is disposed coaxially with the inner cylinder 1, and the springs 9 are symmetrically arranged on the outer circumference of the support plate 10 with respect to the inner cylinder 1, and the springs are respectively arranged. 9 are all arranged in a direction parallel to the axis of the inner cylinder 1.
  • a support plate connected to the rotating shaft is installed between the door cover of the washing machine and the inner cylinder cover, and the support plate is connected to the door cover through a plurality of springs uniformly distributed on the outer circumference, so that the inner cylinder cover is subjected to multiple directions.
  • the limit spring force of different springs makes the inner cylinder cover smooth and does not deflect and seals in the inner cylinder mouth, which improves the reliability of sealing at the inner cylinder mouth of the washing machine.
  • the inner cylinder cover and the inner cylinder mouth are in contact with the compression spring, so that the spring provides an inward direction to the inner cylinder cover.
  • the moving elastic force seals the inner tub cover and the inner cylinder mouth, thereby achieving the purpose of restricting the inner cylinder cover and the inner cylinder cover from sealing the inner cylinder mouth after the door cover is closed; at the same time, due to the inner cylinder cover and the rotating shaft
  • the inner cylinder cover can rotate together with the inner cylinder under the friction force to achieve the purpose of sealing treatment at the inner cylinder mouth;
  • the front end of the cylinder is connected with the door cover through the inner cylinder cover, the rotating shaft and the spring, so that the front end of the inner cylinder can be elastically mounted and installed in the casing of the washing machine, so that the front end of the inner tub is supported and installed with the washing machine casing, thereby improving the supporting action point
  • a coaxially disposed inlet pipe 17 is mounted at the rotating shaft 12, and one end of the inlet pipe 17 is inserted into the inner cylinder through the inner cylinder cover 8, and the other end passes through the rotating shaft 12 and is bent upward to extend to the water inlet structure of the washing machine.
  • the water is connected so that the water inlet of the washing machine flows into the inner cylinder 1 from the center of the inner cylinder mouth 101, so that the inner cylinder 1 of the washing machine can enter the water from the center of the front inner cylinder cover 8.
  • the inner cylinder cover 8 is hinged with the rotating shaft 12 to provide a water seal to ensure the tightness of the inner cylinder 1.
  • an outer inclined portion 15 is provided at an outer circumference of the inner cylinder cover 8, and the inclined portion 15 is a tapered surface which gradually increases in diameter from the outer circumference of the inner cylinder 1 toward the door cover 4;
  • the tubular opening 101 is provided with a ring fixing portion 16 which is in contact with the inclined portion 15; preferably, the outer end of the fixing portion 16 is provided with an outwardly curved chamfer to guide the inner cylinder cover 8 to slide into the inner cylinder mouth 101.
  • the fixing portion 16 and the inclined portion 15 are bonded together to achieve sealing.
  • the outer circumference of the inner cylinder cover 8 is provided with two tapered surfaces of different curvatures which are gradually increased in diameter toward the door cover 4, and the two sides of the first tapered surface are respectively adjacent to the outer circumference of the door cover 4 and the second
  • the tapered surface is connected to one side;
  • the first tapered surface corresponds to the horizontally curved surface of the inner cylinder mouth 101, and the horizontal curved surface is a cylindrical surface horizontally bent from the inner cylinder mouth 101 to the outside of the inner cylinder 1, horizontal
  • the inner diameter of the curved surface is equal to or slightly smaller than the maximum diameter of the first tapered surface;
  • the end of the horizontal curved surface is gradually inclined outward to form a tapered fixing portion 16, and the second tapered surface constitutes the inclined portion 15, The contact is made in correspondence with the fixing portion 16.
  • a tubular, radially expandable sealing tube 14 is further disposed between the inner cylinder cover 8 and the door cover 4.
  • One end of the sealing tube 14 is sealed and connected to the outer periphery of the door cover 4, and the other end is
  • the door cover 4 is fixedly connected to seal the elastic mechanism to the inside of the sealing tube 14, and the inner tube cover 8 can move relative to the door cover 4 according to the expansion and contraction of the sealing tube 14;
  • the sealing tube 14 is made of elastic rubber
  • the material is composed of bellows.
  • the end of the sealing tube 14 and the door cover 4 are relatively rotatable about the axis of the inner cylinder 1 so that the sealing tube 14 does not rotate together when the door cover 4 rotates together with the inner cylinder 1.
  • the water flow is discharged, and the inner cylinder is sealed with water for normal washing during the working process of the washing machine, and the following settings are made:
  • a dehydration structure of a washing machine an inner cylinder 1 is installed in the washing machine casing 2, and the inner cylinder 1 is a cone-shaped cylinder with a small diameter at one end and a large diameter at one end, and a dewatering channel is provided at the large end of the inner cylinder 1 36.
  • One end of the dehydration passage 36 communicates with the large end of the inner cylinder 1, and the other end passes through the inner cylinder 1 through the center of the large end and communicates with the washing machine drain 31.
  • a dehydration method of the washing machine is also described.
  • the inner cylinder rotates at a certain rotation speed, so that the washing water in the inner cylinder that is detached from the laundry flows under the centrifugal force to the inner wall of the conical inner cylinder to the large end, and the water flows to the inner cylinder.
  • the dewatering flow path provided along the large mouth end flows out from the center of the large end of the inner tube, and flows out along the drain pipe to the washing machine to realize the discharge of the washing water in the inner tube.
  • the inner cylinder 1 In the normal washing process of the drum washing machine, the inner cylinder 1 is generally rotated at a low speed, and the water in the inner cylinder 1 is not subjected to too much centrifugal force, so that the laundry and the water flow in the inner cylinder 1 are beaten and washed as the inner cylinder rotates at a low speed.
  • the effect is that the water flow in the inner cylinder 1 does not converge to the large end and does not discharge the washing machine; and when the drum washing machine is in the dehydration process, the inner cylinder 1 rotates at a high speed, and the inner cylinder 1 is detached from the laundry.
  • the centrifugal force of the inner cylinder rotates, so that the water flow in the inner cylinder 1 is condensed and flows toward the large end of the inner cylinder, and flows into the dewatering flow passage 36 provided at the large end of the inner cylinder, and flows out of the inner cylinder 1 through the center of the large end of the inner cylinder 1 and The washing machine is discharged from the drain pipe 31.
  • the water flow in the inner cylinder is not affected by the centrifugal force, and does not converge toward the large end of the inner cylinder.
  • the water flow in the inner cylinder is rotated by the centrifugal force, and the large end of the inner cylinder is dehydrated.
  • the flow channel flows and is discharged, so that the water in the inner cylinder does not flow out from the drain when the inner cylinder rotates normally, thereby realizing the inner cylinder sealing and the drainage valve opening when the inner cylinder rotates.
  • the effect achieves the purpose of normal dehydration of the washing machine with the inner cylinder rotation and the water-filling effect; at the same time, the outer cylinder can be externally required without the outer cylinder, the volume of the inner cylinder is increased, and the washing capacity of the washing machine is improved.
  • the front end of the inner cylinder 1 is the inner cylinder mouth 101
  • the rear end is the inner cylinder bottom 102
  • the inner cylinder mouth 101 and the inner cylinder bottom 102 are connected by the inner cylinder side wall
  • the inner cylinder side wall is the inner cylinder
  • the tubular opening 101 gradually increases the diameter of the inner cylindrical base 102 to form a tapered inner cylinder 1
  • the inner cylinder bottom 102 is mounted on the inner cylinder support 3 via a rotating shaft
  • the dewatering flow passage 36 is disposed in the inner cylinder bottom 101.
  • one end of the dewatering flow path 36 is disposed at the intersection of the inner cylinder bottom 101 and the inner cylinder side wall, the other end passes through the center of the inner cylinder bottom 101 and passes through the motor shaft along the axis, and the discharge end of the dewatering flow passage 36 and the washing machine
  • the drain pipes 31 are in communication.
  • the inner cylinder bottom 102 is provided with a plurality of dewatering flow passages 36.
  • One end of each dewatering flow passage 36 is evenly spaced at an outer circumference of the inner cylinder bottom 102 and communicates with the inner cylinder 1 and the other end meets.
  • one end of at least one dewatering flow path 36 is disposed in the middle of the inner cylinder bottom 102 and communicates with the inner portion of the inner cylinder 1, and the other end passes through the center of the inner cylinder bottom 102 and communicates with the washing machine drain pipe 31;
  • the ends of the adjacent dewatering passages 36 are alternately disposed at the central portion or the outer peripheral portion of the inner cylinder bottom 102.
  • a plurality of uniformly distributed dewatering passages respectively disposed at the ends of the inner cylinder and the middle portion or the outer peripheral portion are disposed on the inner cylinder bottom to adsorb the water flow at each portion of the inner cylinder bottom to improve the dehydration of the water flow in the inner cylinder. effectiveness.
  • each of the dewatering channels 36 is formed by hollow ribs protruding from the inner side of the inner cylinder bottom 102.
  • the hollow ribs lift and beat the water flow and the clothes in the inner cylinder 1 to The laundry is washed so that the inwardly projecting dewatering flow path 36 is provided with an auxiliary lifting rib function for lifting, beating and washing the laundry in the inner cylinder 1.
  • the dewatering channel 36 and/or the drain pipe 31 are provided with a drain pump 33 for applying pressure to the water flow flowing to the bottom portion 102 of the washing machine along the dewatering channel 36 and the drain pipe 31 to the washing machine.
  • the drain pump 33 is turned on when the drum washing machine is in the normal washing state, and the drum washing machine performs the spin-drying process to realize the manipulation of the water flow ejector in the inner tub of the washing machine and to provide the water flow driving force.
  • a dehydration method of the washing machine according to the fourth embodiment is described.
  • the inner cylinder rotates at a certain rotation speed, so that the washing water in the inner cylinder flows under the centrifugal force to the inner wall of the conical inner cylinder to the large end, and the water flows into the inner tube.
  • the dewatering flow path provided along the large mouth end of the large end of the tube flows out from the center of the large end of the inner tube, and flows out of the washing machine along the drain pipe to realize the discharge of the washing water in the inner tube.
  • the water flow in the inner cylinder is not affected by the centrifugal force, and does not converge toward the large end of the inner cylinder.
  • the washing machine is dehydrated, the water flow in the inner cylinder is rotated by the centrifugal force and the large end of the inner cylinder is dehydrated.
  • the flow channel flows and is discharged, so that the water in the inner cylinder does not flow out from the dehydration port when the inner cylinder rotates normally, thereby achieving the effect of the normal discharge of the water in the inner cylinder when the inner cylinder is sealed and dehydrated during the inner cylinder rotation process. It achieves the purpose of normal dehydration of the washing machine with the dual function of inner cylinder rotation and water filling.
  • Step 1 The inner cylinder of the washing machine rotates at a certain rotation speed, and the water flow in the inner cylinder flows under the centrifugal force to the side of the inner cylinder side wall;
  • Step 2 Under the action of the conical inner cylinder, the water flow on the side wall of the inner cylinder is guided by the side wall of the inner cylinder and the centrifugal force during the rotation of the inner cylinder, so that the water in the inner cylinder flows to the inner bottom of the larger diameter cylinder. ;
  • Step 3 The water flowing to the bottom of the inner cylinder flows into the dewatering flow channel provided on the bottom of the inner cylinder, and flows out of the inner cylinder from the center of the inner cylinder along the dehydration flow passage, and then discharges the washing machine along the drainage pipe.
  • the drain pump on the dehydration channel and/or the drain pipe starts to work to apply pressure to the water flow to the bottom of the inner tube, so that the water flows along the dehydration channel and the drain pipe and is discharged to The outside of the washing machine.
  • the draining pump and/or the drain pump on the drain pipe do not work, so that the water in the inner cylinder is not adsorbed by the drain pump, so that the water in the inner cylinder is retained and the laundry is normally washed. .
  • the inner cylinder rotates at a medium-high speed, so that the water in the inner cylinder is pressed by the centrifugal force to fit the side wall of the inner cylinder and flows toward the large end of the inner cylinder.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

本发明涉及一种洗衣机的排水结构，洗衣机壳体内安装有内筒，内筒上设有排水口，排水口处安装有排水阀；洗衣机上还设有将内筒旋转至固定排水位置并固定的定位锁止机构；洗衣机上设有内筒旋转至固定排水位置后打开排水阀的阀芯开启机构，以在洗衣机排水时、内筒旋转至固定排水位置后打开排水阀令内筒中洗涤水外排。通过上述设置，使得排水阀在洗衣机正常状态下处于闭合状态、在洗衣机排水时排水阀受定位锁止机构和阀塞开启机构共同作用处于打开状态，实现了内筒旋转过程中内筒密封、排水时排水阀打开内筒中盛水正常外排的效果；同时，使得内筒外部可不需再套装外筒，增大了内筒的容积，提高了洗衣机的洗涤容量。

Description

一种洗衣机的排水结构 技术领域
本发明属于洗衣机技术领域，具体涉及一种仅设可旋转、可盛水内筒的洗衣机，特别涉及一种洗衣机的排水结构。
背景技术
现有技术中，滚筒洗衣机一般包括相互套装的内筒和外筒，外筒密封用于盛水，内筒用于盛放衣物、经旋转内筒以对衣物进行摔打洗涤；同时，内筒上设置脱水孔，以使得外筒中的水经脱水孔流入内筒以对内筒中的衣物进行浸泡、内筒中的水经脱水孔流出至外筒、内筒中衣物上水分在内筒高速旋转时经脱水孔外排至外筒，以实现对衣物进行洗涤的目的。
但是，由于内筒与外筒相互套装，在洗衣机使用过程中内外筒之间容易积存污垢；同时，由于内外筒相互套装，用户无法对内筒外壁、外筒内壁进行清洁，使洗衣机内部细菌增多，降低了洗衣机的洗衣效率、衣物洗涤后的洁净度。
同时，上述现有洗衣机中，由于内筒外部套装有外筒，洗衣机的洗涤过程是通过内筒旋转对衣物进行摔打洗涤，使得洗衣机的洗涤容量是以内筒为基准，令洗衣机的内部空间使用率较低，无法在现有基础上对洗衣机洗涤容量进行扩展。
有鉴于此，如何设置一种洗衣机，以将内外筒合一，令内筒设置为密封容器，既能盛水和衣物，又能旋转对衣物进行摔打进行洗涤；同时，由于洗衣机不设外筒、或外筒与洗衣机壳体一体设置，还能使洗衣机的内筒扩大、以扩展洗衣机的洗涤容量，就成为了研发热点。
但是，由于内筒不仅用于盛放洗涤水，还要旋转以对筒内衣物进行摔打清洗，因此如何设置一种适用于上述洗衣机的排水结构，就成为了急需解决的难题。
鉴于上述技术缺陷，特提出本申请。
发明内容
本发明的目的在于为了克服现有技术存在的上述缺陷，提供一种洗衣机的排水结构。本发明所述的洗衣机排水结构，通过在内筒的最底部设置排水阀、并在洗衣机上设置与排水阀相对应的阀塞开启机构，使洗衣机内筒定位至对应位置后阀塞开启机构推动排水阀阀塞开启，以解决内筒中盛放洗涤水排放的问题，进而实现了对可旋转内筒筒口进行密封、洗衣机正常工作过程时内筒中进水并不外泄、洗衣机排水时内筒中洗涤水经排水阀外排的目的；同时， 将滚筒洗衣机的内外筒合二为一，以实现洗衣机扩展洗涤容量的目的。
为了解决所述的技术问题，达到所述的技术效果，本发明采用的技术方案的基本设计思路为：
一种洗衣机的排水结构，洗衣机壳体内安装有内筒，内筒上设有排水口，排水口处安装有排水阀；洗衣机上还设有将内筒旋转至固定排水位置并固定的定位锁止机构；洗衣机上设有内筒旋转至固定排水位置后打开排水阀的阀芯开启机构，以在洗衣机排水时、内筒旋转至固定排水位置后打开排水阀令内筒中洗涤水外排。
进一步，所述排水口设置于内筒外侧壁或前后端外周处；优选的，内筒设置为一端直径小、一端直径大的锥形筒，所述排水口设置于内筒大口端的外周处。
进一步，内筒的后端由内筒底构成，内筒底的外周部设有水平贯穿设置的排水口，排水口处设有排水阀；排水阀包括覆盖排水口的阀芯，阀芯经限位弹簧与内筒底相连接，以使阀芯在限位弹簧的作用下自内向外堵住排水口。
进一步，内筒后端安装于内筒支撑件上，内筒支撑件经减震吊簧和/或减震支撑杆安装于洗衣机壳体内；阀芯开启机构安装于内筒支撑件上。
进一步，阀芯开启机构包括安装于内筒支撑件上的步进电机，步进电机的输出端安装有同轴固定连接的旋转轮，旋转轮的外周处与连杆一端相铰接，连杆另一端穿过内筒支撑件上所设限位孔向排水阀方向可伸缩的移动，以推动阀芯向内筒内移动打开排水阀进行排水。
进一步，所述的阀芯开启机构包括安装于内筒支撑件上的电磁铁，所述电磁铁与排水阀相对应设置，使内筒旋转至固定排水位置时排水阀与电磁铁处于同轴线方向；排水阀的阀芯上安装有磁铁或阀芯整体由磁铁构成，以使电磁铁通电后对阀芯提供电磁斥力，推动阀芯向内筒内侧方向移动打开排水阀进行排水。
进一步，内筒排水口外部对应设有集水槽，集水槽的底部与洗衣机排水管相连通，以自内筒排水口外排水流收集后外排。
进一步，内筒处于固定排水位置时排水口处于内筒最低处，内筒中水流均向排水口处汇聚流动，自排水阀打开的排水口向外流出。
进一步，排水口设置于内筒底外周处，内筒处于固定排水位置时排水口旋转至内筒轴线正下方；集水槽包括排水口下方的凹槽，凹槽的后侧壁向上竖直延伸至排水口后侧、并与排水口相距一定间距，以引导排水口流出水流下落至集水槽中。
进一步，所述集水槽安装于洗衣机的内筒支撑件上、或与内筒支撑件一体成型，阀芯开启机构安装于集水槽上。
本发明所述的洗衣机和现有技术的洗衣机相比具有下列有益效果：
通过上述设置，使得排水阀在洗衣机正常状态下处于闭合状态、在洗衣机排水时排水阀受定位锁止机构和阀塞开启机构共同作用处于打开状态，使得内筒正常旋转时内筒中盛水不会自排水口流出，进而实现了内筒旋转过程中内筒密封、排水时排水阀打开内筒中盛水正常外排的效果,达到了内筒旋转和盛水双重功效的洗衣机正常排水的目的；同时，使得内筒外部可不需再套装外筒，增大了内筒的容积，提高了洗衣机的洗涤容量。
为了使本发明的技术方案的设计构思更加清楚，便于进一步理解其带来的有益效果，下面结合附图对本发明的部分具体实施方式作详细的描述。
附图说明
附图作为本发明的一部分，用来提供对本发明的进一步的理解，本发明的示意性实施例及其说明用于解释本发明，但不构成对本发明的不当限定。显然，下面描述中的附图仅仅是一些实施例，对于本领域普通技术人员来说，在不付出创造性劳动的前提下，还可以根据这些附图获得其他附图。在附图中：
图1是本发明实施例中洗衣机的结构示意图；
图2是本发明实施例中洗衣机的内筒非锁制状态结构示意图；
图3是本发明实施例中洗衣机的内筒锁制状态结构示意图；
图4是本发明实施例中排水阀闭合状态的结构示意图；
图5是本发明实施例中排水阀打开状态的结构示意图。
图中标注：1、内筒，2、壳体，3、内筒支撑件，4、门盖，5、驱动电机，6、减震吊簧，7、减震支撑杆，23、排水口，24、排水阀，25、阀芯，26、限位弹簧，27、旋转轮，28、连杆，29、限位孔，30、集水槽，31、排水管，44、锁制销，45、锁制槽，101、内筒筒口，102、内筒底。
需要说明的是，这些附图和文字描述并不旨在以任何方式限制本发明的构思范围，而是通过参考特定实施例为本领域技术人员说明本发明的概念。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附 图，对实施例中的技术方案进行清楚、完整地描述，以下实施例用于说明本发明，但不用来限制本发明的范围。
在本发明的描述中，需要说明的是，术语“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
如图1至图4所示，本发明实施例中介绍了一种洗衣机，洗衣机包括壳体2，壳体2内设有内筒1，内筒1轴线水平延伸或自前向后逐渐向下倾斜设置，内筒1前端为开口设置的内筒筒口101、后端为密封设置的内筒底102；内筒1筒壁上不设通孔，以使得内筒1内部构成仅前部开口设置的密封容器。同时，洗衣机壳体2前端安装有可向外打开的门盖4，以在门盖4闭合后封闭内筒筒口101、打开门盖4后自内筒筒口101向内筒1中投放衣物的目的。内筒1后端经内筒支撑件3安装于洗衣机壳体2内，所述的内筒支撑件3与内筒1后端同轴设置，内筒支撑件3的上下两端分别向内筒1前端筒口方向弯折，弯折部至少延伸至内筒1中部，上下弯折部分别经减震吊簧6和减震支撑杆7与洗衣机壳体2相连接，以实现内筒支撑件3可震动得安装于洗衣机壳体2内的目的；同时，内筒底102中心与洗衣机驱动电机5的电机轴同轴设置，以驱动内筒1旋转，内筒1和驱动电机5均固定安装于内筒支撑件3上。优选的，内筒底102与驱动电机5分别设置与内筒支撑件3的两侧，驱动电机5于内筒支撑件3相固定连接，驱动电机5的电机轴经轴承穿过内筒支撑件3并与内筒底102同轴固定连接，且驱动电机5轴可相对内筒支撑件3旋转，以实现内筒1和驱动电机5安装于内筒支撑件3上、并令内筒1可独自在驱动电机5作用下进行旋转对内部衣物进行洗涤的目的。
本发明实施例中为了将洗衣机内筒中进水外排，并实现洗衣机工作过程中内筒密封盛水进行正常洗涤，进行如下设置：
一种洗衣机的排水结构，洗衣机壳体2内安装有内筒1，内筒1上设有排水口23，排水口23处安装有处于常闭状态的排水阀24；洗衣机上设有将内筒1旋转至固定排水位置并固定的定位锁止机构；洗衣机上设有内筒1旋转至固定排水位置后打开排水阀24的阀芯开启机 构，以在洗衣机处于排水状态时、内筒1旋转至固定排水位置后打开排水阀24令内筒中洗涤水外排。
在洗衣机处于正常工作过程中，排水阀闭合，排水口处于关闭状态，内筒中水不会自排水口流出；当洗衣机处于排水状态时，洗衣机内筒在定位锁止机构的作用下旋转至固定排水位置，洗衣机上的阀芯开启机构开启，推动排水阀阀塞打开，排水口处于打开状态，内筒中水会自排水口流出。
通过上述设置，使得排水阀在洗衣机正常状态下处于闭合状态、在洗衣机排水时排水阀受定位锁止机构和阀塞开启机构共同作用处于打开状态，使得内筒正常旋转时内筒中盛水不会自排水口流出，进而实现了内筒旋转过程中内筒密封、排水时排水阀打开内筒中盛水正常外排的效果,达到了内筒旋转和盛水双重功效的洗衣机正常排水的目的；同时，使得内筒外部可不需再套装外筒，增大了内筒的容积，提高了洗衣机的洗涤容量。
实施例一
如图1至图4所示，本实施例中介绍了一种洗衣机的排水结构，洗衣机壳体2内安装有内筒1，内筒1上设有排水口23，排水口23处安装有处于常闭状态的排水阀24；洗衣机上设有将内筒1旋转至固定排水位置并固定的定位锁止机构；洗衣机上设有内筒1旋转至固定排水位置后打开排水阀24的阀芯开启机构，以在洗衣机处于排水状态时、内筒1旋转至固定排水位置后打开排水阀24令内筒1中洗涤水外排。
本实施例中，所述排水口23设置于内筒1外侧壁或前后端外周处；优选的，内筒1设置为一端直径小、一端直径大的锥形筒，所述排水口23设置于内筒1大口端的外周处。通过将排水口设置于锥形内筒的大口端，以使得内筒中的水流向排水口处汇聚流动，实现了内筒中水流全部自排水口外排的目的。
本实施例中，内筒1的后端由内筒底102构成，前端由内筒筒口101构成，二者经内筒侧壁相连接；所述内筒侧壁为自内筒开口101向内筒底102方向逐渐扩大直径的锥形面，内筒底102的外周部设有水平贯穿设置的排水口23，排水口23处设有排水阀24；排水阀24包括覆盖排水口23的阀芯25，阀芯25经限位弹簧26与内筒底102相连接，以使阀芯25在限位弹簧26的作用下自内向外堵住排水口23。通过将阀芯经限位弹簧与内筒底相连接，以使得限位弹簧对阀芯提供一相内筒外部方向的弹性拉力，令阀芯在弹力作用下与内筒底相对应紧密贴合，使得阀芯堵死排水口、实现排水口密封的目的。
本实施例中，内筒1上的排水口23设置为自内向外逐渐扩宽的锥形孔，锥形孔的小口端封闭设置、锥形孔的侧壁上设有通孔以将内筒1内外相连通，阀芯25为一覆盖锥形孔大口端的板材结构，锥形孔中设有沿轴线延伸的限位弹簧26，限位弹簧26的一端与锥形孔小口端的密封部相连接、另一端与阀芯25相连接，限位弹簧26处于张紧状态以对阀芯25施加向内筒1外部方向的推力，使阀芯25堵死排水口24。
本实施例中，内筒1后端设有内筒支撑件3，内筒支撑件3经减震吊簧6和/或减震支撑杆7安装于洗衣机壳体2内；阀芯开启机构安装于内筒支撑件3上。
本实施例中，内筒1处于固定排水位置时排水口23处于内筒1最低处，内筒1中水流均向排水口23处汇聚流动，自排水阀24打开的排水口23向外流出；所述阀芯开启机构安装于内筒支撑件3远离内筒1的一侧，并与内筒1外周相对设置，内筒1处于固定排水位置时排水口23与阀芯开启机构的连杆28相对应同轴设置，以使连杆28在步进电机、旋转轮27的推动下产生轴向伸缩，并推动排水阀24的阀芯25向内筒1内部方向移动、打开排水口23。
如图4和图5所示，本实施例中，阀芯开启机构包括安装于内筒支撑件3上的步进电机，步进电机的输出端安装有同轴固定连接的旋转轮27，旋转轮27的外周处与连杆28一端相铰接，连杆28另一端穿过内筒支撑件3上所设限位孔向排水阀23方向可伸缩的移动，以推动阀芯25向内筒1内移动打开排水阀24进行排水。
本实施例中，内筒1的排水口23外部对应设有集水槽30，集水槽30的底部与洗衣机排水管31相连通，以对自内筒1的排水口23外排水流收集后外排。
本实施例中，排水口23设置于内筒底102外周处，内筒1处于固定排水位置时排水口23旋转至内筒1轴线正下方；集水槽30包括排水口23下方对应设置的凹槽，凹槽的后侧壁向上竖直延伸至排水口23后侧、并与排水口23相距一定间距，以引导排水口23流出水流下落至集水槽30中，避免自水平设置排水口向后窜流出的排水水流溅射至洗衣机外部。同时，集水槽30的前侧壁与洗衣机内筒1下部之间相贴合、或间隙为极限小的距离，以保证集水槽30中水不会自前端溅射出、进而避免了内筒排水溢流情况的发生。
本实施例中，所述集水槽30安装于洗衣机的内筒支撑件3上、或与内筒支撑件3一体成型，阀芯开启机构安装于集水槽30上。
本实施例中，定位锁止机构可以为现有任一可控制洗衣机内筒旋转至固定排水位置并固定的机构，如：驱动内筒旋转的驱动电机上设有对应控制程序，以控制内筒旋转至固定排水 位置并锁止、令内筒不再旋转。还可以将定位锁止机构进行如下设置：如图2和图3所示，在内筒1的侧壁上设置向内凹陷的锁止槽34，洗衣机上安装有与锁制槽34相对应设置的锁制销41；所述锁制销41可沿内筒径向伸缩的安装于洗衣机壳体2或内筒支撑件3上；如图2所示，锁制销41在驱动装置作用下向内收缩时，锁制销41与锁制槽42相脱离，内筒1自由旋转；如图3所示，锁制销41在驱动装置作用下向外弹出时，锁制销41伸入内筒1上的锁制槽42中，内筒1不再旋转，并使内筒1处于固定排水位置，令排水口23处于与阀芯开启机构相对应位置处。
如图4欧式，洗衣机正常洗涤过程中，排水阀闭合，内筒正常旋转，内筒中盛水不会自排水口流出、对衣物进行正常洗涤；如图5所示，洗衣机排水过程中，内筒旋转至固定排水位置，步进电机推动旋转轮旋转，旋转轮带动连杆向内筒方向移动，连杆端部推动相对位置处的排水阀阀塞向内筒内部移动，阀塞克服弹簧拉力被推动打开排水口，内筒中水自打开排水口流出，流出水流经集水槽收集后自排水管外排至洗衣机外部，就实现了内筒中盛水外排的目的。
实施例二
本实施例与实施例一的区别在于：所述的阀芯开启机构包括安装于内筒支撑件3上的电磁铁，所述电磁铁与排水阀23相对应设置，使内筒1旋转至固定排水位置时排水阀23与电磁铁处于同轴线方向；排水阀23的阀芯25上安装有磁铁或阀芯整体由磁铁构成，以使电磁铁通电后对阀芯25提供电磁斥力，推动阀芯25向内筒1内侧方向移动打开排水阀23进行排水。
洗衣机正常洗涤过程中，排水阀闭合，内筒正常旋转，内筒中盛水不会自排水口流出、对衣物进行正常洗涤；洗衣机排水过程中，内筒旋转至固定排水位置，电磁铁通电，电磁铁对阀芯提供一斥力，以使得阀芯在斥力作用下克服弹簧弹力向内筒内部方向移动，使内筒排水口打开，内筒中水自打开排水口流出，流出水流经集水槽收集后自排水管外排至洗衣机外部，同样可实现内筒中盛水外排的目的。
实施例三
本实施例中，为了在洗衣机工作时，实现内筒筒口101处的密封，进行如下设置：
如图1所示，一种洗衣机，洗衣机壳体2上安装有门盖4，门盖4经弹力机构与内筒盖8可相对旋转的连接，使门盖4闭合后弹力机构对内筒盖8提供的锁紧弹力，令内筒盖8与内 筒筒口101相密封接触，并令内筒盖8随内筒1共同旋转，以实现门盖4闭合后内筒盖8扣合于内筒筒口101实现内筒1密封的目的。
通过上述设置，以实现内筒筒口处被弹力压紧的内筒盖密封，洗衣机洗涤过程中内筒盖与内筒筒口相密封接触并共同旋转、进而达到内筒旋转时筒口动密封的目的，使得内筒具备旋转和盛水的双重功能；同时，使得内筒外部可不需再套装外筒，增大了内筒的容积，提高了洗衣机的洗涤容量。
本实施例中，门盖4与内筒盖8同轴设置，门盖4与内筒盖8之间经弹力机构相连接，以令门盖4闭合后内筒盖8在处于压缩状态的弹力机构作用下压紧于内筒筒口101处。
本实施例中，内筒盖8与门盖4相固定连接，以使内筒盖8随门盖4开闭而共同动作，进而达到内筒盖8开闭内筒筒口101的目的。同时，内筒盖8与门盖4可相对绕中心轴线旋转，以令洗衣机闭合后内筒盖8与内筒1相密闭固定连接并使内筒盖8可随内筒1共同旋转。
优选的，本实施例中，为了在内筒盖8扣合后，增大内筒盖8与内筒筒口101之间的密封性，可将内筒盖8与内筒筒口101之间相弹性卡接，以在门盖4闭合后令内筒盖与内筒筒口101相固定卡接、在门盖4打开后令内筒盖随门盖4一起移动并与内筒筒口101相脱离，实现内筒盖8与内筒筒口101相密封接触处进行卡接固定、以增强内筒筒口101密封性的目的。
本实施例中，内筒盖8的中心处连接有沿内筒1轴线方向向内筒外部延伸的转轴12，内筒盖8可绕转轴旋转。转轴12一端与内筒盖8可旋转的相连接，另一端经弹力机构与门盖4相连接，弹力机构对内筒盖8施加一弹力，驱动内筒盖8向内筒筒口101方向移动，以使内筒盖8密封扣合于内筒筒口101处，实现内筒筒口101的密封。
本实施例中，内筒盖8的外侧中心处设有向外凸出延伸的安装槽11，安装槽11中设有经轴承安装的转轴12，转轴12沿内筒1轴线方向延伸，令内筒盖8可相对绕转轴12旋转；转轴12端部经弹簧9与门盖4相固定连接，以使门盖4闭合后弹簧9处于压缩状态令内筒盖与内筒筒口101相密封接触、并令内筒盖8可绕转轴相对门盖4旋转。优选的，转轴12插入内筒盖8安装槽11中的插入端设有向外径向凸出的凸出部，以与内筒盖8的安装槽11相卡接，使转轴12与内筒盖8在轴向方向相固定。
本实施例中，为了提高弹簧的压紧力和内筒盖扣合后的平稳性，特进行如下设置：如图1和图2所示，内筒盖8的外侧中心处设有向外凸出延伸的安装槽11，安装槽11中设有经轴 承安装的转轴12，转轴12沿内筒1轴线方向延伸，令内筒盖8可相对绕转轴12旋转；转轴12端部安装有与转轴12轴线相垂直的支撑板10，支撑板10的外周部经多个弹簧9与门盖4相固定连接。
本实施例中，支撑板10的直径大于等于内筒筒口101直径，支撑板10与内筒1同轴设置，各弹簧9相对内筒1轴线对称排布于支撑板10的外周部，各弹簧9均沿与内筒1轴线相平行方向设置。
通过在洗衣机门盖与内筒盖之间加装与转轴相连接的支撑板，并将支撑板经多个均布于外周的弹簧与门盖相连接，以使得内筒盖受多个方向的、不同弹簧的限位弹力，令内筒盖可平稳的、不产生偏斜的于内筒筒口相密封接触，提高了洗衣机内筒筒口处密封的可靠性。
通过将内筒盖与门盖之间经加装有弹簧的转轴相连接，以使得门盖闭合后，内筒盖与内筒筒口相接触压缩弹簧，使弹簧对内筒盖提供一向内筒方向移动的弹力，令内桶盖与内筒筒口相密封贴合，进而实现了门盖闭合后限制内筒盖、内筒盖与内筒筒口相密封接触的目的；同时，由于内筒盖与转轴之间可相对旋转，使得内筒在洗衣机驱动电机带动下进行旋转时，内筒盖可在摩擦力作用力随内筒共同旋转，以实现内筒筒口处进行密封处理的目的；还有，由于内筒前端经内筒盖、转轴、弹簧与门盖相连接，使得内筒前端可震动得弹性安装与洗衣机壳体内，令内桶前端与洗衣机壳体相支撑安装，提高了内筒的支撑作用点，增强了内筒运转过程中的平稳性。
本实施例中，转轴12处安装有同轴设置的进水管17，进水管17的一端经内筒盖8穿入内筒1、另一端穿出转轴12并向上弯折延伸至与洗衣机进水结构相连通，以使得洗衣机进水自内筒筒口101中心处流入内筒1，实现洗衣机内筒1自前端内筒盖8中心处进水的目的。优选的，内筒盖8与转轴12相铰接处设有水封，以保证内筒1的密封性。
本实施例中，内筒盖8的外周处设有一圈向外倾斜的倾斜部15，所述倾斜部15为自内筒1外周向门盖4方向逐渐增大直径的锥形面；内筒筒口101处设有与倾斜部15相对应贴合接触的一圈固定部16；优选的，固定部16的外端设有向外弯曲的倒角，以引导内筒盖8滑入内筒筒口101中、使固定部16与倾斜部15相对应贴合实现密封。
进一步优选的，内筒盖8的外周设有两段不同曲率的、均向门盖4方向逐渐增大直径的锥形面，第一锥形面的两侧分别与门盖4外周和第二锥形面一侧相连接；第一锥形面与内筒筒口101的水平弯折面相对应，水平弯折面为自内筒筒口101处向内筒1外部水平弯折的圆筒面，水平弯折面的内径与第一锥形面的最大直径相等或稍小设置；水平弯折面的端部逐渐 向外倾斜以构成锥形的固定部16，第二锥形面构成倾斜部15、与固定部16相对应贴合接触。
本实施例中，内筒盖8与门盖4之间还设有管状的、可沿径向伸缩的密封管14，密封管14的一端与门盖4的外周处相密封连接、另一端与门盖4相固定连接，以令弹力机构密封安装于密封管14内部、随着密封管14的伸缩使内筒盖8可相对门盖4产生相对移动；所述的密封管14为由弹性橡胶材质的波纹管构成。优选的，密封管14的端部与门盖4可绕内筒1轴线相对旋转的套接，以使门盖4随内筒1共同旋转时密封管14不会共同旋转。
实施例四
本实施例中为了将洗衣机内筒中衣物脱离后水流进行外排，并实现洗衣机工作过程中内筒密封盛水进行正常洗涤，进行如下设置：
如图1所示，一种洗衣机的脱水结构，洗衣机壳体2内安装有内筒1，内筒1为一端直径小、一端直径大的锥形筒，内筒1大口端设有脱水流道36，脱水流道36的一端与内筒1的大口端相连通、另一端经大口端中心穿出内筒1并与洗衣机排水管31相连通。
本发明实施例中还介绍了一种洗衣机的脱水方法，内筒以一定转速旋转，使内筒中自衣物脱离的洗涤水在离心力作用下贴锥形内筒内壁向大口端流动，水流至内筒大口端时沿大口端设置的脱水流道自内筒大口端中心流出，并沿排水管流出洗衣机，实现内筒中洗涤水外排。
滚筒洗衣机在正常洗涤过程中，内筒1一般以低速进行旋转，内筒1中水并不会受到太多的离心力作用，使得内筒1中衣物和水流随着内筒低速旋转而产生摔打洗涤效果，令内筒1中水流并不会向大口端汇聚流动、也不会外排出洗衣机；而当滚筒洗衣机在脱水过程中，内筒1以中高速旋转，内筒1中自衣物脱离的水受内筒旋转离心力作用，使得内筒1中水流贴内筒壁向内筒大口端汇聚流动，并流入内筒大口端所设脱水流道36、经内筒1大口端中心流出内筒1并自排水管31排出洗衣机。
通过上述设置，使得在洗衣机正常洗涤状态下内筒中水流不受离心力作用、并不向内筒大口端汇聚流动，洗衣机脱水状态下内筒高速旋转内筒中水流受离心力作用、向内筒大口端脱水流道流动并外排，使得内筒正常旋转时内筒中盛水不会自排水口流出，进而实现了内筒旋转过程中内筒密封、排水时排水阀打开内筒中自衣物脱离水正常外排的效果,达到了内筒旋转和盛水双重功效的洗衣机正常脱水的目的；同时，使得内筒外部可不需再套装外筒，增大了内筒的容积，提高了洗衣机的洗涤容量。
本实施例中，内筒1前端为内筒筒口101，后端为内筒底102，内筒筒口101与内筒底 102之间经内筒侧壁相连接；内筒侧壁为自内筒筒口101向内筒底102逐渐增大直径的锥形，以构成锥形内筒1，内筒底102中心经转轴安装于内筒支撑件3上；脱水流道36设置于内筒底101内侧面，脱水流道36的一端设于内筒底101与内筒侧壁相交处、另一端自内筒底101中心穿出并沿轴线穿过电机轴，脱水流道36的穿出端与洗衣机排水管31相连通。
本实施例中，内筒底102上设有多条脱水流道36，各脱水流道36的一端等间隔角度的均布于内筒底102外周并与内筒1内部相连通、另一端交汇于内筒底102中心并自内筒底102中心穿出与洗衣机排水管31相连通。
本实施例中，至少一条脱水流道36的一端设于内筒底102中部并与内筒1内部相连通、另一端自内筒底102中心穿出并与洗衣机排水管31相连通；优选的，相邻脱水流道36的端部交错设置于内筒底102的中部或外周部。通过在内筒底上设置多条均布的、端部分别设置与中部或外周部的脱水流道，以对内筒底的各个部分处的水流进行吸附外排，以提高内筒中水流的脱水效率。
本实施例中，各脱水流道36由凸出于内筒底102内侧面的中空凸筋构成，在内筒1旋转过程中中空凸筋对内筒1中水流和衣物进行提升、摔打，以对衣物进行洗涤，以使得向内凸出的脱水流道36具备了对内筒1中衣物进行提升、摔打洗涤的辅助提升筋功能。
本实施例中，所述脱水流道36和/或排水管31上设有排水泵33，以对流至洗衣机内筒底102处的水流施加压力沿脱水流道36、排水管31外排至洗衣机外部，排水泵33在滚筒洗衣机处于正常洗涤状态时不工作、滚筒洗衣机执行脱水程序时打开，以实现对洗衣机内筒中水流外排进行操控、并提供水流驱动力。
实施例五
本实施例中介绍了一种基于上述实施例四所述洗衣机的脱水方法，内筒以一定转速旋转，使内筒中洗涤水在离心力作用下贴锥形内筒内壁向大口端流动，水流至内筒大口端时沿大口端设置的脱水流道自内筒大口端中心流出，并沿排水管流出洗衣机，实现内筒中洗涤水外排。
通过上述方法，使得在洗衣机正常洗涤状态下内筒中水流不受离心力作用、并不向内筒大口端汇聚流动，洗衣机脱水状态下内筒高速旋转内筒中水流受离心力作用、向内筒大口端脱水流道流动并外排，使得内筒正常旋转时内筒中盛水不会自脱水口流出，进而实现了内筒旋转过程中内筒密封、脱水时脱水阀打开内筒中盛水正常外排的效果,达到了内筒旋转和盛水双重功效的洗衣机正常脱水的目的。
本实施例中，所述洗衣机脱水方法的具体排步骤如下，
步骤1、洗衣机内筒以一定转速旋转，内筒中水流在离心力作用下流动至与内筒侧壁贴合处；
步骤2、在锥形内筒的作用下，使得贴内筒侧壁的水流受内筒侧壁的引导、内筒旋转过程中离心力的作用，令内筒中的水流向直径较大的内筒底；
步骤3、流动至内筒底处的水流入内筒底上所设脱水流道中，并沿脱水流道自内筒中心处流出内筒，再沿排水管排出洗衣机。
本实施例中，在上述步骤3中，脱水流道和/或排水管上的排水泵开始工作，以对流至内筒底处的水流施加压力，令水沿脱水流道、排水管流动并排至洗衣机外部。而在洗衣机执行其他程序时，脱水流道和/或排水管上的排水泵并不工作，使得内筒中的水并不会被排水泵吸附外排，令内筒中水留存、对衣物进行正常洗涤。
本实施例中，在洗衣机脱水过程中，内筒以中高速转动，以使得内筒中水受离心力作用贴合内筒侧壁、并向内筒大口端流动。
以上所述仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专利的技术人员在不脱离本发明技术方案范围内，当可利用上述提示的技术内容作出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明方案的范围内。

Claims (10)

  1. 一种洗衣机的排水结构，其特征在于：洗衣机壳体内安装有内筒，内筒上设有排水口，排水口处安装有排水阀；洗衣机上还设有将内筒旋转至固定排水位置并固定的定位锁止机构；洗衣机上设有内筒旋转至固定排水位置后打开排水阀的阀芯开启机构，以在内筒旋转至固定排水位置后打开排水阀令内筒中洗涤水外排。
  2. 根据权利要求1所述的一种洗衣机的排水结构，其特征在于，所述排水口设置于内筒外侧壁或前后端外周处；内筒设置为一端直径小、一端直径大的锥形筒，所述排水口设置于内筒大口端的外周处。
  3. 根据权利要求2所述的一种洗衣机的排水结构，其特征在于，内筒的后端由内筒底构成，内筒底的外周部设有水平贯穿设置的排水口，排水口处设有排水阀；排水阀包括覆盖排水口的阀芯，阀芯经限位弹簧与内筒底相连接，以使阀芯在限位弹簧的作用下自内向外堵住排水口。
  4. 根据权利要求3所述的一种洗衣机的排水结构，其特征在于，内筒后端安装于内筒支撑件上，内筒支撑件经减震吊簧和/或减震支撑杆安装于洗衣机壳体内；阀芯开启机构安装于内筒支撑件上。
  5. 根据权利要求4所述的一种洗衣机的排水结构，其特征在于，阀芯开启机构包括安装于内筒支撑件上的步进电机，步进电机的输出端安装有同轴固定连接的旋转轮，旋转轮的外周处与连杆一端相铰接，连杆另一端穿过内筒支撑件上所设限位孔向排水阀方向可伸缩的移动，以推动阀芯向内筒内移动打开排水阀进行排水。
  6. 根据权利要求4所述的一种洗衣机的排水结构，其特征在于，所述的阀芯开启机构包括安装于内筒支撑件上的电磁铁，所述电磁铁与排水阀相对应设置，使内筒旋转至固定排水位置时排水阀与电磁铁处于同轴线方向；排水阀的阀芯上安装有磁铁或阀芯整体由磁铁构成，以使电磁铁通电后对阀芯提供电磁斥力，推动阀芯向内筒内侧方向移动打开排水阀进行排水。
  7. 根据权利要求1至6任一所述的一种洗衣机的排水结构，其特征在于，内筒排水口外部对应设有集水槽，集水槽的底部与洗衣机排水管相连通，以自内筒排水口外排水流收集后外排。
  8. 根据权利要求7所述的一种洗衣机的排水结构，其特征在于，内筒处于固定排水位置时排水口处于内筒最低处，内筒中水流均向排水口处汇聚流动，自排水阀打开的排水口向外流出。
  9. 根据权利要求8所述的一种洗衣机的排水结构，其特征在于，排水口设置于内筒底外周处，内筒处于固定排水位置时排水口旋转至内筒轴线正下方；集水槽包括排水口下方的凹槽，凹槽的后侧壁向上竖直延伸至排水口后侧、并与排水口相距一定间距，以引导排水口流出水流下落至集水槽中。
  10. 根据权利要求9所述的一种洗衣机的排水结构，其特征在于，所述集水槽安装于洗衣机的内筒支撑件上、或与内筒支撑件一体成型，阀芯开启机构安装于集水槽上。
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