CN204553963U - Shut-off valves and pumps - Google Patents

Abstract

The utility model discloses a shut-off valve and a water pump, wherein the shut-off valve includes a valve body connected with a water inlet (1) and a water outlet (2), and the valve body also includes a valve body arranged on the valve body. The screw through pipe (3) on the side wall, the screw through pipe is sequentially provided with screw rods from the mouth of the pipe, and the end of the screw rod close to the water inlet is also connected with a water inlet closing device, And the screw rod can be rotated so that the water inlet closing device approaches or moves away from the water inlet along the length direction, and an elastic reset element (5) is also arranged between the screw rod and the water inlet closing device. Through the above design, the pressure of the water flow can be effectively controlled, and the water flow can reach the specified pressure value during use, which greatly improves the performance of the actual use, and reduces the manual operation, saving time and effort. Simple and convenient, greatly improving the efficiency of use.

Description

Shut-off valves and pumps

technical field

The utility model relates to fluid control equipment, in particular to a stop valve and a water pump.

Background technique

In daily production and life, it is often necessary to control the water flow, especially in fire protection and other fields. When the water flow reaches a certain pressure, it has a better fire extinguishing effect, but most of the water flow control is artificially controlled. , This method of control often cannot achieve better control of the water flow, which makes the use effect poor, and even brings certain negative effects to the actual use.

Therefore, to provide a shut-off valve and a water pump that can effectively control the pressure of the water flow and greatly improve the performance in actual use is an urgent problem to be solved by the utility model.

Utility model content

In view of the above prior art, the purpose of this utility model is to overcome the problems in the prior art that the water flow is often artificially controlled to achieve a certain pressure in operations such as impacting with water, which is not only cumbersome to operate, but also difficult to control, thereby providing A shut-off valve and a water pump that can effectively control the pressure of water flow and greatly improve the performance in actual use.

In order to achieve the above object, the utility model provides a shut-off valve, wherein the shut-off valve includes a valve body connected with a water inlet and a water outlet, and the valve body also includes a valve body arranged on the side wall of the valve body. A screw through pipe, the screw through pipe is sequentially provided with a screw from the mouth of the pipe, and the end of the screw near the water inlet is also connected with a water inlet closing device, and the screw can be Rotate to make the water inlet closing device approach or move away from the water inlet along the length direction, and an elastic reset element is also arranged between the screw rod and the water inlet closing device.

Preferably, the water inlet closing device includes a collar, a push rod, and a pressing piece arranged on the pushing rod, and the shape of the pressing piece matches the shape of the water inlet so that the pressing piece can close the water inlet. The water inlet, the end of the screw rod close to the water inlet and the water inlet are coaxially provided with a groove, one end of the push rod is screwed to the groove, and the other end is connected to the pressing piece, The collar is arranged inside the valve body, and the push rod passes through the collar and can move along the length direction.

Preferably, the screw rod is screwed to the screw rod through pipe; the rotation direction of the ejector rod is opposite to that of the screw rod.

Preferably, the water inlet and the screw through pipe are arranged coaxially.

Preferably, the screw rod includes a first screw rod and a second screw rod arranged in sequence along the direction from the nozzle of the screw rod through pipe to the water inlet, and the second screw rod is close to the inlet One end of the water inlet is provided with a groove coaxial with the water inlet.

Preferably, an elastic reset element is further provided between the bottom of the groove and the end of the push rod disposed in the groove.

Preferably, a hand wheel is connected to one end of the threaded rod provided at the nozzle of the threaded rod through pipe; a rubber gasket is also provided on the side of the pressing piece close to the ejector rod.

Preferably, a sealing washer is also provided on the inner wall of the end of the screw rod and the screw rod tube close to the water inlet.

Preferably, one end of the water outlet is also provided with a water discharge ball valve and a pressure relief valve.

The utility model also provides a water pump, wherein the water pump includes a pump body provided with a plurality of water outlets, and the plurality of water outlets are respectively connected with the above-mentioned stop valves.

According to the above-mentioned technical scheme, the utility model is provided with a valve body connected with a water inlet and a water outlet, and at the same time, a screw through pipe is set on the side wall of the valve body, and a screw rod is set at the mouth of the screw through pipe. The threaded rod runs through the pipe and extends to the water inlet end. At the same time, a water inlet closing device is connected to the end of the screw rod close to the water inlet, and the water inlet closing device is close to the water inlet along the length direction through the rotation of the screw rod. or away from the water inlet, and an elastic reset element is set between the screw rod and the water inlet closing device, so that when the water inlet closing device closes the water inlet, the pressure of the water on the water inlet closing device can realize the elastic reset element. Compression, so that the opening and closing of the water inlet can be achieved according to the pressure of the water, which can effectively control the pressure of the water flow, and make the water flow reach the specified pressure value during use, greatly improving the performance of the actual use. .

Other features and advantages of the present utility model will be described in detail in the following specific embodiments.

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, together with the following specific embodiments, are used to explain the utility model, but do not constitute a limitation to the utility model. In the attached picture:

Fig. 1 is a structural representation of a shut-off valve provided by the utility model;

Fig. 2 is a structural schematic diagram of a water pump provided by the utility model.

Explanation of reference signs

1-Water inlet 2-Water outlet

3-screw through pipe 4-ejector

5-Elastic reset element 6-Pressure piece

7-groove 8-the first screw

9-Second screw rod 10-Hand wheel

11-Rubber gasket 12-Sealing washer

13-water discharge ball valve 14-pressure relief valve

15-water outlet 16-pump body.

Detailed ways

The specific embodiment of the utility model will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the utility model, and are not intended to limit the utility model.

In the present utility model, in the absence of a contrary description, the orientation words included in the term, such as "inner, outer, axial", etc., only represent the orientation of the term in the normal use state, or are understood by those skilled in the art colloquial term and should not be construed as a limitation of the term.

The utility model provides a shut-off valve, wherein, as shown in Figure 1, the shut-off valve includes a valve body connected with a water inlet 1 and a water outlet 2, and the valve body also includes a valve body arranged on the valve body The screw through pipe 3 on the side wall, the screw through pipe 3 is sequentially provided with screw rods from the mouth of the pipe, and the end of the screw rod close to the water inlet 1 is also connected with a water inlet closing device, And the screw rod can be rotated so that the water inlet closing device approaches or moves away from the water inlet 1 along the length direction, and an elastic reset element 5 is also arranged between the screw rod and the water inlet closing device.

The above design is provided with a valve body connected to the water inlet 1 and the water outlet 2, and at the same time, a screw through pipe 3 is set on the side wall of the valve body, and a screw rod is set at the mouth of the screw through pipe 3 to penetrate the valve body. The screw through the pipe 3 and extends to the end of the water inlet 1, and at the same time, a water inlet closing device is connected to the end of the screw rod close to the water inlet 1, and the water inlet closing device is realized along the length direction by the rotation of the screw rod. Close to or away from the water inlet 1, and at the same time, an elastic reset element 5 is set between the screw rod and the water inlet closing device, so that when the water inlet closing device closes the water inlet 1, it can be realized by the pressure of water on the water inlet closing device. The compression of the elastic reset element 5 makes it possible to open and close the water inlet according to the water pressure, realizes the effective control of the pressure of the water flow, and makes the water flow reach the specified pressure value during use, greatly improving the actual use. effect on performance.

The water inlet closing device can be arranged in a conventional manner, as long as it is connected to the screw rod and can achieve the effect of closing the water inlet 1, for example, in a preferred embodiment of the present utility model, the The water inlet closing device can be configured to include a collar, a push rod 4 and a pressing piece 6 arranged on the pushing rod 4, and the shape of the pressing piece 6 fits with the shape of the water inlet 1 so that the pressing piece The sheet 6 can close the water inlet 1, and a groove 7 is arranged coaxially with the water inlet 1 on the end of the screw rod close to the water inlet 1, and one end of the push rod 4 is screwed to the groove. The other end of the slot 7 is connected to the pressing piece 6 , the collar is arranged inside the valve body, and the push rod 4 passes through the collar and can move along the length direction.

Of course, in order to further make the screw rotate to drive the water inlet closing device to expand and contract to realize the closing and opening of the water inlet 1, in a more preferred embodiment of the present utility model, the screw Connected to the screw tube 3, so that the screw can be rotated to realize stretching along the screw tube 3 and drive the water inlet closing device to close and open the water inlet 1; of course, in order to make the inlet The relative movement between the nozzle closing device and the screw rod is larger. In a more preferred embodiment of the present utility model, the rotation direction of the ejector rod 4 can be set to be the same as the rotation direction of the screw rod. on the contrary. Of course, the fitting of the collar to the push rod 4 makes the push rod 4 unable to rotate, and further, the screw rod and the water inlet closing device realize greater relative movement.

Of course, in order to avoid using too many angles to set different screw rods, to ensure the convenience of parts replacement and use, in a preferred embodiment of the present utility model, the water inlet 1 can be set as the same as the screw rod The through pipe 3 is arranged coaxially.

The screw mandrel can be one or more. Of course, in order to make the use of the screw mandrel more convenient as much as possible under the premise of saving materials, and according to factors such as different settings of different replacement frequencies, in the utility model In a more preferred embodiment, the screw may include a first screw 8 and a second screw 9 arranged in sequence along the direction from the mouth of the screw through pipe 3 to the water inlet 1 At the same time, in order to make the screw rod and the ejector rod 4 convenient to connect and not easy to fall off, the end of the second screw rod 9 close to the water inlet 1 can also be provided with a groove 7 coaxial with the water inlet 1 .

The elastic return element 5 can be arranged at any position, as long as it is between the screw mandrel and the water inlet closing device so that the water inlet closing device can have the effect of contraction or elongation. Of course, in order to avoid slipping, in this In a more preferred embodiment of the utility model, an elastic reset element 5 is also provided between the bottom of the groove 7 and the end of the push rod 4 disposed in the groove 7 .

In order to facilitate the operation during actual use, in a preferred embodiment of the present utility model, a hand wheel 10 is also connected to one end of the mouth of the screw mandrel 3 in the screw mandrel; at the same time, In order to further increase the sealing performance of the water inlet closing device on the water inlet, in a more preferred embodiment of the present utility model, a rubber gasket 11 can also be provided on the side of the pressing piece 6 close to the push rod 4 . Setting the rubber gasket 11 can also play a certain damping effect, thereby greatly prolonging the service life.

In order to prevent water from flowing out of the screw through pipe 3, in a more preferred embodiment of the present invention, the inner wall of the screw rod and the end of the screw through pipe 3 close to the water inlet 1 A sealing gasket 12 may also be provided on the top.

Of course, in order to achieve a better use effect, in a preferred embodiment of the present utility model, one end of the water outlet 2 is also provided with a water discharge ball valve 13 and a pressure relief valve 14 . The type and setting method of the water discharge ball valve 13 and the pressure relief valve 14 can be set according to the type and setting method conventionally used in this field, and will not be repeated here.

The utility model also provides a water pump, wherein, as shown in FIG. 2 , the water pump includes a pump body 16 provided with a plurality of water outlets 15, and the plurality of water outlets 15 are respectively connected with cut-off valve.

The preferred embodiment of the utility model has been described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the specific details of the above-mentioned embodiment, and within the scope of the technical concept of the utility model, the technical solution of the utility model can be carried out in many ways. These simple modifications all belong to the protection scope of the present utility model.

In addition, it should be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way if there is no contradiction. The combination method will not be explained separately.

In addition, any combination of various implementations of the present invention can also be made, as long as they do not violate the idea of the present invention, they should also be regarded as the disclosed content of the present invention.

Claims (10)

1. a stop valve, it is characterized in that, described stop valve comprises the valve body that connection is provided with water inlet (1) and water outlet (2), described valve body also comprises the screw mandrel siphunculus (3) on the sidewall being arranged at described valve body, described screw mandrel siphunculus (3) is run through successively from mouth of pipe place and is provided with screw mandrel, on one end of described water inlet (1), water inlet closing apparatus is also connected with in described screw mandrel, and described screw mandrel rotatably with make described water inlet closing apparatus along its length near or away from described water inlet (1), elastic reset member (5) is also provided with between described screw mandrel and water inlet closing apparatus.

2. stop valve according to claim 1, it is characterized in that, described water inlet closing apparatus comprises the collar, push rod (4) and the compressing tablet (6) be arranged on described push rod (4), and described compressing tablet (6) shape and described water inlet (1) shape agree with to make described compressing tablet (6) can close described water inlet (1) mutually, described screw mandrel is also coaxially arranged with groove (7) near one end of described water inlet (1) and described water inlet (1), described push rod (4) one end is bolted in described groove (7), the other end connects described compressing tablet (6), the described collar is arranged at described valve inner, described push rod (4) runs through the described collar and can move along its length.

3. stop valve according to claim 2, is characterized in that, described screw mandrel is bolted in described screw mandrel siphunculus (3);

The sense of rotation of described push rod (4) is contrary with the sense of rotation of described screw mandrel.

4. stop valve according to claim 1 and 2, is characterized in that, described water inlet (1) and described screw mandrel siphunculus (3) are coaxially arranged.

5. stop valve according to claim 2, it is characterized in that, described screw mandrel comprises the first screw mandrel (8) and the second screw mandrel (9) that arrange in turn along the mouth of pipe of described screw mandrel siphunculus (3) to described water inlet (1) direction, and the upper one end near described water inlet (1) of described second screw mandrel (9) is provided with the groove (7) coaxial with described water inlet (1).

6. the stop valve according to Claims 2 or 3, it is characterized in that, be arranged at bottom described groove (7) and in described push rod (4) between the end in described groove (7) and be also provided with elastic reset member (5).

7. stop valve according to claim 2, is characterized in that, the one end being arranged at the mouth of pipe of described screw mandrel siphunculus (3) in described screw mandrel is also connected with handwheel (10);

In the one side of described push rod (4), rubber sheet gasket (11) is also provided with in compressing tablet (6).

8. stop valve according to claim 1, is characterized in that, is also provided with seal washer (12) in described screw mandrel and described screw mandrel siphunculus (3) on the inwall of one end of described water inlet (1).

9. stop valve according to claim 1, is characterized in that, one end of described water outlet (2) is also provided with water drain ball valve (13) and Decompression valves (14).

10. a water pump, it is characterized in that, described water pump comprises the pump housing (16) being provided with multiple water export (15), and described multiple water export (15) is also connected to according to the stop valve in claim 1-9 described in any one.