WO2009146627A1

WO2009146627A1 - An ink reservoir and an ink injecting apparatus

Info

Publication number: WO2009146627A1
Application number: PCT/CN2009/071887
Authority: WO
Inventors: 孙荣华
Original assignee: Sun Ronghua
Priority date: 2008-06-02
Filing date: 2009-05-21
Publication date: 2009-12-10
Also published as: CN201227884Y

Abstract

An ink reservoir (1) of an ink injecting apparatus comprises: a chamber (14) accommodating ink therein; an ink replenishing hole (15) which is used for supplying the ink into the chamber (14), provided in a first wall of said chamber (14), and sealed with a sealing member (16); an air vent (17) which is used for communicating with atmosphere, provided in a second wall of the chamber (14) opposite to the first wall, and sealed by a membrane (13) attached to the second wall. The ink injecting apparatus also includes a tube (18) with its one end provided in the second wall, and the other end extending into said chamber (14) for communicating with atmosphere; and a piston (12) embedded in an inner wall of the tube (18).

Description

Ink container and ink injector

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to an auxiliary tool for filling ink to an ink supply system of an ink jet printer, and more particularly to a pressurized self-flowing ink injector for filling ink to an ink jet printer cartridge and for the ink injector Ink filling container. The present invention is based on a Chinese utility model patent application filed on Jun. 02, 2008, with the application number 2008 20088452. X, the content of which is incorporated herein by reference. Background technique

As a kind of consumable of the printer, the ink cartridge is mostly discarded after the ink in the ink cartridge is used up, which causes environmental pollution and waste of resources. Nowadays, more and more people and enterprises are paying attention to the repeated use of ink cartridges, and re-using them after refilling the ink in the empty ink cartridges that have used up the ink. Some use a syringe to draw ink and then inject it into the ink cartridge, but this is troublesome and it is easy to cause ink leakage and cause pollution. Summary of the invention

SUMMARY OF THE INVENTION A primary object of the present invention is to provide an ink storage container that facilitates ink injection into an ink jet printer cartridge. Another object of the present invention is to provide a pressurized self-flowing type that is simple in structure and convenient in ink injection using the above ink storage container. Ink

It is still another object of the present invention to provide a pressurized self-flowing ink refill which does not cause ink leakage when the ink is filled using the above-described ink storage container.

In order to achieve the above object, the ink storage container provided by the present invention comprises a housing containing an ink chamber, an ink filling port formed on one wall of the housing, and an ink filling port for outputting ink to the outside of the chamber. The ink port is sealed by a self-sealing member, that is, the ink storage container seals the ink filling port from the sealing member when not in use, so that the ink in the cavity does not leak out from the cavity, and in the use state, the self-sealing member will The external force is applied to open, allowing the ink in the chamber to flow out. The air inlet hole formed on the other wall opposite to the wall of the ink injection port is used for introducing the outside air into the cavity body, so that the ink storage container in the use state discharges the ink smoothly, and the air inlet hole is attached to the wall by the one. The upper permeable membrane seal, that is, the ink storage container is sealed by the membrane when not in use, and the membrane is broken by an external force during use to open the air inlet. One end On the other wall, the other end projects into the pressure tube of the cavity, and the pressure tube communicates with the outside and the cavity, and the tube has a piston that cooperates with the inner wall of the tube.

A further solution is to design the normal of the air inlet hole parallel to the movement path of the piston, which can facilitate the operation of the control piston and diaphragm during the ink injection.

A further solution is that the self-sealing member can be a self-closing sealing ring or a one-way valve. The working principle and advantages of these two components will be given in the description of the embodiments.

The pressurized self-flowing ink refill provided by the present invention comprises an ink storage container of the above structure, and a connector comprising a body and a push rod and a boring needle, the body being movable relative to the other wall of the ink accommodating container The push rod extends from the body toward the other wall for pushing the piston. The pin is disposed in parallel with the push rod and is used for piercing the film. The length of the pin is smaller than the length of the push rod.

A further solution is that the body has a grip portion slidably engageable with an adjacent side wall of the other wall, and the push rod and the shank extend downward from the inner top of the grip portion.

A further solution is that the adjacent side walls and the grip portion are slidingly engaged by the sliding groove and the sliding rail structure. DRAWINGS

Figure 1 is a perspective view of an embodiment of a pressurized self-flowing ink injector in accordance with the present invention;

Figure 2 is a cross-sectional view of Figure 1;

Figure 3 is a cross-sectional view of the embodiment of the ink reservoir of Figure 1;

Figure 4 is a cross-sectional view of the connector of Figure 1;

Fig. 5 is a view showing a state of use when an ink cartridge is filled with ink using the embodiment of the pressurized self-flowing ink injector shown in Fig. 1.

The present invention will be further described below in conjunction with the embodiments and the accompanying drawings. detailed description

Referring to Fig. 1, a pressurized self-flowing ink injector according to the present invention is constituted by an ink storage container 1 and a connector 2, and the connector 2 is slidable relative to the ink container 1, in which the connector 2 has been opposed The ink storage container slides down to the extreme position.

Referring to FIG. 2, the connector 2 and the ink storage container 1 are relatively slid by the cooperation of the chute 21 and the slide rail 11, and the state shown in FIG. 2 is set in the connector during the sliding state shown in FIG. On 2 The push rod 22 pushes the piston 12, and the cymbal 23 disposed on the connector 2 ruptures the membrane 13.

Referring to FIG. 3, the ink storage container 1 has a cavity 14 for accommodating ink, which is basically a casing structure. On the bottom wall of the casing, an ink filling port 15 for connecting the cavity 14 to the outside is provided, and the ink filling port 15 is provided. A self-closing sealing ring 16 is disposed inside, which prevents the ink in the cavity 14 from flowing out in the non-injecting state, and opens the ink filling port 15 under the action of an external force in the state of ink filling. Of course, another option to achieve this can be a one-way valve. An air inlet hole 17 and a pressure pipe 18 are disposed on the top wall opposite to the bottom wall of the ink filling port 15, and the air inlet hole 17 is sealed by a film 13 attached to the outside of the top wall, and the film 13 is used when ink is used. The communication cavity 14 will be broken and the outside. The pressurizing tube 18 is located at the top wall of the casing, and the other end extends toward the cavity, and a piston 12 is disposed in the tube, and a pair of sliding rails 11 are disposed on a pair of side walls adjacent to the top wall.

Referring to Fig. 4, the connector 2 is basically composed of a body 24 and a grip portion 25 for engaging with the side wall of the ink storage container 1. A sliding groove 21 is provided on the inner wall of the grip portion 25, and extends downward on the inner wall of the body 24. The push rod 22 and the cymbal needle 23 are disposed, and the axes thereof are parallel and the push rod 22 is longer than the cymbal needle 23. When the plug member 2 slides relative to the ink storage container 1, the grip portion 25 serves to ensure the push rod 22 and the press tube The axis acts as closely as possible relative to each other.

In Fig. 5, portions of the ink cartridge 4, the cartridge 3, the ink-filling needle 5, and the like which are not in the present invention are indicated by two-dot chain lines. Referring to FIG. 5, the ink cartridge 4 to be filled with ink is placed in the cartridge 3 for ink-adding ink, and the ink-filling port 15 of the ink-storing container 1 is connected to the ink-filling interface 31, that is, the ink-filling interface 31 punctures the autism. Sealing ring 16, the ink injection flow path is opened, the self-closing sealing ring is closed when the ink supply interface 31 is withdrawn, and the flow path is blocked; when the self-closing sealing ring 16 is replaced by the one-way valve, the ink filling interface 31 is poked into the injection. When the ink port is 15, the check valve is opened, and when it is exited, it is closed. The plunger is pressed against the piston by the push rod on the connector 2, and the piston is pushed down along the pressing tube to generate pressure in the cavity of the ink storage container 1, the ink is pressed out from the ink filling port 15, and the ink injection needle 5 is discharged. The air at the front end directly connects the ink absorbing material in the ink cartridge 4 to the ink in the ink storage container 1, so that the ink absorbing material automatically absorbs the ink, and after the push rod is pushed and pressurized, the film sealing the air inlet hole is again inserted into the connector. The smashing needle on the 2 is broken, so that the pressure in the ink storage container 1 is balanced, the ink is smoothly flowed, and the effect of automatic ink refilling is achieved. Industrial applicability

Compared with the conventional ink injector, the ink storage container provided by the invention has a pressurizing mechanism composed of a pressing tube and a piston. When the ink cartridge is injected into the ink cartridge, the pressing mechanism can be used to make the ink filling more simple and convenient. . The pressurized self-flowing ink injector provided by the invention uses the above ink storage container, and does not emit when the ink is filled. The advantage of raw ink leakage.

Claims

Claim

1. Ink storage container, including

a housing having a cavity for containing ink therein;

An ink filling port formed on one wall of the casing for outputting ink in the cavity outward, the ink filling port being sealed by a self-sealing member;

An air inlet hole is formed on another wall opposite to the wall of the ink injection port for introducing outside air into the cavity, the air inlet hole being attached to the other wall Can be pierced through the membrane seal;

It is characterized by:

a pressurized tube, one end is located at the other wall, and the other end extends into the cavity to communicate with the outside and the cavity;

a piston that cooperates with the inner wall of the pressurized tube.

2. The ink container according to claim 1, wherein:

The normal line of the intake hole is parallel to the trajectory of the piston movement.

3. The ink container according to claim 1 or 2, wherein:

The self-sealing member is a piercing seal.

4. The ink container according to claim 1 or 2, wherein:

The self-sealing member is a one-way valve.

5, pressurized self-flowing ink injector, including

An ink storage container, the ink storage container includes

a housing having a cavity for containing ink therein;

An air inlet hole is formed on another wall opposite to the wall of the ink injection port for introducing outside air into the cavity, the air inlet hole being attached to the other wall It can be pierced through the membrane seal; it is characterized by:

a pressurized tube, one end is located at the other wall, and the other end extends into the cavity to communicate with the outside and the cavity; a piston that cooperates with an inner wall of the pressurized tube;

a connector, the connector includes

a body movable relative to the other wall of the ink reservoir;

a push rod extending from the body toward the other wall for pushing the piston; a pin, disposed from the body in parallel with the push rod, for piercing the film; the pin The length is less than the length of the push rod.

6. The pressurized self-flowing ink injector according to claim 5, wherein:

7. The pressurized self-flowing ink injector according to claim 5, wherein:

The self-sealing member is a piercing seal.

8. The pressurized self-flowing ink injector according to claim 5, wherein:

The self-sealing member is a one-way valve.

The pressurized self-flowing ink injector according to any one of claims 5 to 8, wherein: the body has a grip portion slidably engageable with an adjacent side wall of the other wall;

The push rod and the picking needle extend downward from an inner top of the grip portion.

10. The pressurized self-flowing ink injector according to claim 9, wherein:

The adjacent side wall and the grip portion are slidably engaged by the sliding groove and the sliding rail structure.