CN215928445U

CN215928445U - Pump valve with buffer function

Info

Publication number: CN215928445U
Application number: CN202120593104.3U
Authority: CN
Inventors: 周礼桢
Original assignee: Jiangsu Jiyou Electromechanical Technology Co ltd
Current assignee: Jiangsu Jiyou Electromechanical Technology Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2022-03-01
Anticipated expiration: 2031-03-24

Abstract

The utility model discloses a pump valve with a buffering function, which comprises a pump valve body, wherein a flange is fixedly connected to the upper end of the pump valve body, a pump valve plunger is arranged in the pump valve body, a valve is fixedly connected to the top end of the pump valve plunger, the top of the valve penetrates through the flange, the valve is in threaded connection with the flange, a vertical guide groove is formed in the pump valve plunger, a guide rod is arranged in the guide groove, an elastic piece is arranged between the guide rod and the top of the guide groove, a guide block is arranged at the bottom of the pump valve body, a guide hole is formed in the middle of the guide block, and the guide rod is inserted in the guide hole. By adding the guide rod which is elastically connected with the plunger of the pump valve, the problem that the pump valve in the prior art has no buffering effect is solved, and the sealing effect of the pump valve is reduced; and the problem that the pump valve plunger is easy to jack open due to overlarge pressure of fluid flowing through the pump valve plunger is solved, the buffering between the pump valve plunger and the thread is realized, the sealing effect is ensured, and meanwhile, the stability of the pump valve plunger is also enhanced.

Description

Pump valve with buffer function

Technical Field

The utility model relates to the technical field of pump valves, in particular to a pump valve with a buffering function.

Background

The pump valve is a general name of pumps and valves, is an industrial device and is applied to fluid transportation. Pumps and valves are usually used in combination, that is, there are valves in places where pumps are available, and different requirements can be met by different combinations of pumps and valves.

The existing pump valve is opened or closed simply through thread rotation, a buffering effect is not achieved, threads can slide between the threads in a long-time use process, the situation that the threads cannot be meshed occurs, a plunger of the pump valve cannot be screwed down, and the sealing effect of the pump valve is reduced; meanwhile, as the plunger of the pump valve is gradually closed, the pressure of fluid flowing through the plunger of the pump valve is increased, and the plunger of the pump valve is easily pushed open, so that the pump valve is disabled.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a pump valve with a buffering function, and solves the problems that a pump valve in the prior art has no buffering effect, a plunger of the pump valve cannot be screwed down due to the fact that threads slide between threads, and the sealing effect of the pump valve is reduced; in addition, the pump valve plunger is easy to jack open due to overlarge pressure of fluid flowing through the pump valve plunger, so that the pump valve is out of action.

The embodiment of the application provides a pump valve with buffer function, including the pump valve body, pump valve body upper end fixedly connected with flange, the inside pump valve plunger that is provided with of pump valve body, the top fixedly connected with valve of pump valve plunger, the flange is passed at the top of valve, valve and flange threaded connection, the both sides of pump valve body are provided with water inlet and delivery port respectively, be provided with the vertically guide way in the pump valve plunger, be provided with the guide bar in the guide way, be provided with the elastic component between guide bar and the guide way top, pump valve body bottom is provided with the guide block, be provided with the guiding hole in the middle of the guide block, the guide bar alternates in the guiding hole.

Further, linear bearings are arranged at the bottom of the guide groove and in the guide hole.

Further, the guide block upside is provided with the bolster standing groove, and the bolster is fixed in the bolster standing groove and is provided with the bolster.

Furthermore, the elastic element and the buffer element are both springs.

Further, a rubber pad is arranged on the side face of the bottom of the plunger of the pump valve.

The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:

by adding the guide rod which is elastically connected with the plunger of the pump valve, the problem that the pump valve in the prior art has no buffering effect, the plunger of the pump valve cannot be screwed down due to the fact that threads slide between threads is solved, and the sealing effect of the pump valve is reduced; and the fluid pressure flowing through the pump valve plunger is too high to easily jack the pump valve plunger, so that the pump valve is out of action, the buffering between the pump valve plunger and the thread is realized, the sealing effect is ensured, and the stability of the pump valve plunger is also enhanced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

FIG. 1 is a structural diagram of an open state according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a closed state according to an embodiment of the present application;

fig. 3 is a partially enlarged view of fig. 1.

In the drawings, there is shown: 1. a pump valve body; 11. a water inlet; 12. a water outlet; 13. a guide block; 131. a guide hole; 132. a buffer placing groove; 133. a buffer member; 2. a flange; 3. a pump valve plunger; 31. a guide groove; 32. a guide bar; 33. an elastic member; 34. a rubber pad; 4. a valve; 5. and a linear bearing.

Detailed Description

The pump valve solves the problems that the pump valve in the prior art has no buffering effect, the piston of the pump valve cannot be screwed down due to the fact that threads slide between the threads, and the sealing effect of the pump valve is reduced by adding the guide rod which is elastically connected with the piston of the pump valve; and the fluid pressure flowing through the pump valve plunger is too high to easily jack the pump valve plunger, so that the pump valve is out of action, the buffering between the pump valve plunger and the thread is realized, the sealing effect is ensured, and the stability of the pump valve plunger is also enhanced.

For better understanding of the above technical solutions, the following detailed descriptions will be made in conjunction with the drawings and the detailed description of the present specification, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, a pump valve with a buffering function includes a pump valve body 1, a flange 2 is fixedly connected to the upper end of the pump valve body 1, a pump valve plunger 3 is arranged inside the pump valve body 1, a valve 4 is fixedly connected to the top end of the pump valve plunger 3, the flange 2 is passed through the top of the valve 4, the valve 4 is in threaded connection with the flange 2, a water inlet 11 and a water outlet 12 are respectively arranged on two sides of the pump valve body 1, a vertical guide groove 31 is arranged in the pump valve plunger 3, a guide rod 32 is arranged in the guide groove 31, an elastic member 33 is arranged between the guide rod 32 and the top of the guide groove 31, a guide block 13 is arranged at the bottom of the pump valve body 1, a guide hole 131 is arranged in the middle of the guide block 13, and the guide rod 32 is inserted into the guide hole 131.

Particularly, both sides of pump valve body 1 are provided with water inlet 11 and delivery port 12 respectively, water inlet 11 and delivery port 12 intercommunication, the upper end of pump valve body 1 is fixed with flange 2, pump valve plunger 3 is installed in the inside of pump valve body 1 and can be followed pump valve body 1 and reciprocated, make water inlet 11 and delivery port 12 intercommunication or disconnection, the top fixedly connected with valve 4 of pump valve plunger 3, valve 4 includes connecting rod and rotary disk, the connecting rod lower extreme and pump valve plunger 3 fixed connection, the upper end of connecting rod is passed flange 2 and is connected with the rotary disk, the connecting rod outside is provided with the screw thread, the through-hole of flange 2 is provided with the internal thread, can realize reciprocating of pump valve plunger 3 through rotating the rotary disk, thereby realize opening or being closed of pump valve.

Specifically, a vertical guide groove 31 is arranged in the pump valve plunger 3, and the lower end of the guide groove 31 is provided with a linear bearing 5; a guide rod 32 is arranged in the guide groove 31, the guide rod 32 penetrates through the linear bearing 5 and can slide up and down along the guide groove, and a convex block is arranged at the upper end of the guide rod 32 to prevent the guide rod 32 from falling; an elastic member 33 is provided between the guide bar 32 and the top of the guide groove 31, and the elastic member 33 is a spring.

Specifically, the bottom of the pump valve body 1 is provided with a downward groove, a guide block 13 is arranged in the groove, a guide hole 131 is arranged in the middle of the guide block 13, a linear bearing 5 is installed in the guide hole 131, and the lower end of the guide rod 32 is inserted into the linear bearing 5 in the guide hole 131. The bottom of pump valve plunger and pump valve body is connected to the guide bar, can strengthen the stability of pump valve plunger, avoids the too big damage that leads to the pump valve plunger of pressure, simultaneously because be provided with the spring in the guide way, also plays the effect of buffering simultaneously.

Specifically, the guide block 13 is further provided with a plurality of buffer accommodating grooves 132 on the upper side, a buffer 133 is fixedly arranged in the buffer accommodating grooves 132, the buffer is a spring, the spring is fixedly connected to the bottom of the buffer accommodating groove, and a plurality of groups of buffers are arranged to further buffer, so that damage to the threads is avoided. Preferably, the bottom side of the pump valve plunger 3 is provided with a rubber pad 34, so that on one hand, the abrasion can be reduced, and meanwhile, the sealing performance of the pump valve plunger can be enhanced.

When the pump valve plunger is pressed down, the guide rod compresses the elastic piece to contract into the guide groove; when the pump valve plunger rises, the guide rod slides downwards under the pressure of gravity and the spring and is always inserted into the guide hole, so that the strength of the pump valve plunger is ensured, and the damage of the pump valve plunger under a high-pressure state is avoided.

The technical scheme in the embodiment of the application at least has the following technical effects or advantages:

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pump valve with buffer function, includes the pump valve body, pump valve body upper end fixedly connected with flange, the inside pump valve plunger that is provided with of pump valve body, the top fixedly connected with valve of pump valve plunger, the top of valve is passed the flange, the valve with flange threaded connection, the both sides of pump valve body are provided with water inlet and delivery port respectively, its characterized in that, be provided with the vertically guide way in the pump valve plunger, be provided with the guide bar in the guide way, the guide bar with be provided with the elastic component between the guide way top, pump valve body bottom is provided with the guide block, be provided with the guiding hole in the middle of the guide block, the guide bar alternates in the guiding hole.

2. The pump valve with buffering function as claimed in claim 1, wherein a linear bearing is disposed in the guide hole at the bottom of the guide groove.

3. The pump valve with a buffering function as claimed in claim 1, wherein a buffer member placing groove is formed on an upper side of the guide block, and a buffer member is fixedly disposed in the buffer member placing groove.

4. The pump valve with buffering function as claimed in claim 3, wherein said elastic member and said buffering member are both springs.

5. The pump valve with the buffering function as claimed in claim 1, wherein a rubber pad is arranged on the bottom side of the plunger of the pump valve.