CN218971855U

CN218971855U - Gate valve with impact resistance

Info

Publication number: CN218971855U
Application number: CN202222744664.1U
Authority: CN
Inventors: 丁梅; 蒋其
Original assignee: Suzhou Yueda Valve Co ltd
Current assignee: Suzhou Yueda Valve Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-05-05
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses an impact-resistant gate valve, in particular to the technical field of gate valves, which comprises a valve body, wherein a water inlet pipe and a water outlet pipe are respectively fixedly arranged on two sides of the valve body, an extrusion plate is arranged in an elevating manner in an inner cavity of the valve body, the extrusion plate firstly enters a conical pipe when passing through the water inlet pipe and then enters a hollow column, the hollow column is pushed to move towards the direction close to the water outlet pipe by the pressure of water flow, then a connecting disc compresses a spring, the impact force of the water flow is reduced, the water flow flows out of a water outlet after entering the hollow column, a plurality of water outlets are arranged, the impact force of the water flow on the extrusion plate is reduced again, the extrusion plate is protected from being damaged due to deformation caused by the impact of the water body, the service life is prolonged, when the gate valve is required to be closed, a rotating disc can be rotated, the threaded rod is driven to rotate, the valve rod is driven to move towards the direction close to a connecting block, the water flow is further blocked, the stability of the gate valve is improved, and the gate valve is closed.

Description

Gate valve with impact resistance

Technical Field

The utility model relates to the technical field of gate valves, in particular to an impact-resistant gate valve.

Background

The gate valve is a shutter, the moving direction of the shutter is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled. The gate valve is sealed by contact between the valve seat and the gate plate, and typically the sealing surface will be clad with a metal material to increase wear resistance, such as 1Cr13, STL6, stainless steel, etc. The gate plate has a rigid gate plate and an elastic gate plate, and the gate valve is divided into a rigid gate valve and an elastic gate valve according to the difference of the gate plates.

The prior art has the following defects: in the use of the existing gate valve, water flow has a certain impact force, when the gate valve is closed too fast, the water flow can impact the valve plate, after long-time use, the water flow impacts the valve plate, the valve plate can deform and be damaged, the tightness of the gate valve is affected, leakage is caused, the normal use of the gate valve is affected, and the service life of the gate valve is reduced.

Therefore, it is necessary to invent a gate valve with impact resistance.

Disclosure of Invention

The present utility model is directed to a gate valve with impact resistance, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the anti-impact gate valve comprises a valve body, wherein a water inlet pipe and a water outlet pipe are respectively fixedly arranged on two sides of the valve body, an extrusion plate is arranged in an inner cavity of the valve body in a lifting manner, and an anti-impact device is arranged in the inner cavity of the water inlet pipe;

the anti-impact device comprises a sleeve, the sleeve is fixedly arranged in an inner cavity of the water inlet pipe, a hollow column is arranged in the sleeve in a sliding mode, two ends of the hollow column penetrate through the sleeve, a spring is movably sleeved on the outer side of one end of the hollow column, a connecting disc is fixedly arranged on the outer side of one end of the hollow column, two ends of the spring are respectively in movable contact with one side of the connecting disc and one side of the inner wall of the sleeve, and a plurality of water outlets are formed in the outer side of one end, far away from the connecting disc, of the hollow column.

Preferably, the two ends of the sleeve are respectively fixedly provided with an air bag ring, and the hollow column penetrates through the air bag rings.

Preferably, one end of the hollow column frame connecting disc is communicated with a conical tube, and a rubber pad I is fixedly arranged at the water inlet of the conical tube.

Preferably, the top of valve body is fixed and is equipped with the valve gap, the valve gap inner chamber rotates and is equipped with the threaded rod, threaded rod surface thread bush is equipped with the valve rod, valve rod slidable mounting is inboard at the valve body, the top of valve rod runs through the valve gap, the fixed stripper that is equipped with in bottom of valve rod, the fixed connecting block that is equipped with in valve body bottom, the stripper activity is inserted and is established in the connecting block, stripper slidable mounting is in the valve body.

Preferably, the first sliding blocks are fixedly arranged on two sides of the extrusion plate, symmetrically distributed sliding grooves are formed in the valve body, and the first sliding blocks are slidably arranged in the sliding grooves.

Preferably, the top of the valve cover is rotatably provided with a rotating disc, and the rotating disc is fixedly connected with the threaded rod.

Preferably, a groove is formed in the connecting block, and the bottom of the extruding plate is movably arranged in the groove.

Preferably, a circular groove is formed in the valve cover, and the valve rod is slidably mounted in the circular groove.

Preferably, a second rubber pad is arranged at the bottom of the extrusion plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. when water flows through the water inlet pipe, the water firstly enters the conical pipe and then enters the hollow column, the hollow column is pushed to move towards the direction close to the water outlet pipe by the pressure of the water flow, then the impact force of the water flow is reduced by the connecting disc compression spring, the water flows out of the water outlet after entering the hollow column, the water outlets are arranged in a plurality of water outlets, the impact force of the water flow on the extrusion plate is reduced again, the extrusion plate is protected from deformation damage caused by water impact, and the service life is prolonged;

2. when the gate valve needs to be closed, the rotating disc can be rotated, the threaded rod is driven to rotate, the valve rod and the extrusion plate are driven to move towards the direction close to the connecting block, the valve rod and the extrusion plate are inserted into the connecting block, water flow is blocked, the stability of the gate valve is improved, and the gate valve is closed.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present utility model;

FIG. 2 is a schematic view of a sleeve structure according to the present utility model;

FIG. 3 is a schematic view of a hollow column structure according to the present utility model;

in the figure: 1. a valve body; 11. a chute; 12. a water inlet pipe; 13. a water outlet pipe; 14. a connecting block; 15. a valve cover; 151. a circular groove; 16. a rotating disc; 161. a threaded rod; 162. a valve stem; 163. an extrusion plate; 21. a sleeve; 211. an air bag ring; 22. a hollow column; 23. a conical tube; 24. a water outlet; 25. a connecting disc; 28. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: as shown in fig. 1-3, the utility model provides an impact-resistant gate valve, which comprises a valve body 1, wherein two sides of the valve body 1 are respectively fixedly provided with a water inlet pipe 12 and a water outlet pipe 13, an inner cavity of the valve body 1 is provided with an extrusion plate 163 in a lifting manner, and an inner cavity of the water inlet pipe 12 is provided with an impact-resistant device;

the shock resistance device comprises a sleeve 21, the sleeve 21 is fixedly arranged in an inner cavity of the water inlet pipe 12, a hollow column 22 is slidably arranged in the sleeve 21, two ends of the hollow column 22 penetrate through the sleeve 21, a spring 28 is movably sleeved outside the hollow column 22, a connecting disc 25 is fixedly arranged outside one end of the hollow column 22, two ends of the spring 28 are respectively in movable contact with the connecting disc 25 and one side of the inner wall of the sleeve 21, and a plurality of water outlets 24 are formed outside one end, far away from the connecting disc 25, of the hollow column 22.

Further, the two ends of the sleeve 21 are respectively fixedly provided with an air bag ring 211, the hollow column 22 penetrates through the air bag rings 211, and the air bag rings 211 are attached to the outer sides of the hollow column 22, so that water is prevented from entering the sleeve 21.

Furthermore, one end of the frame connecting disc 25 of the hollow column 22 is communicated with a conical tube 23, a rubber gasket I is fixedly arranged at the water inlet of the conical tube 23, the rubber gasket I at the water inlet of the conical tube 23 is in sliding fit with the inner wall of the water inlet pipe 12, and water can only enter the hollow column 22 from the conical tube 23.

Further, valve gap 15 is fixed to be equipped with at the top of valve body 1, valve gap 15 inner chamber rotates and is equipped with threaded rod 161, threaded rod 161 surface thread bush is equipped with valve rod 162, valve rod 162 slidable mounting is inboard at valve body 1, valve gap 15 is run through at the top of valve rod 162, the fixed stripper plate 163 that is equipped with in the bottom of valve rod 162, valve body 1 bottom is fixed and is equipped with connecting block 14, stripper plate 163 activity inserts and establishes in connecting block 14, stripper plate 163 slidable mounting is in valve body 1, conveniently opens or closes the gate valve, the slider is all fixed to be equipped with in stripper plate 163 both sides, set up symmetrical distribution's spout 11 in the valve body 1, slider is slidable mounting in spout 11, conveniently stripper plate 163 slides.

Further, a rotating disc 16 is rotatably disposed on the top of the valve cover 15, and the rotating disc 16 is fixedly connected with the threaded rod 161, so as to facilitate rotation of the threaded rod 161.

Further, a groove is formed in the connecting block 14, the bottom of the extruding plate 163 is movably mounted in the groove, a rubber pad is arranged at the bottom of the extruding plate 163, so that water flow is blocked, and the stability of the gate valve is improved.

Further, a circular groove 151 is formed in the valve cover 15, and the valve rod 162 is slidably mounted in the circular groove 151, so that the valve rod 162 can slide conveniently.

Working principle: when the water flow control valve is used, the gate valve is fixed between two pipelines through the flanges on the water inlet pipe 12 and the water outlet pipe 13, so that water flow can flow into the water outlet pipe 13 from the water inlet pipe 12, the water flow firstly enters the conical pipe 23 when passing through the water inlet pipe 12 and then enters the hollow column 22, the hollow column 22 is pushed to move towards the direction close to the water outlet pipe 13 by the pressure of the water flow, the spring 28 is compressed by the connecting disc 25, the impact force of the water flow is reduced, the water flow flows out from the water outlet 24 after entering the hollow column 22, the water outlet 24 is provided with a plurality of water outlets, the impact force of the water flow to the extrusion plate 163 is reduced again, the extrusion plate 163 is protected from deformation damage caused by water impact, and the service life is prolonged;

when the gate valve needs to be closed, the rotating disc 16 can be rotated, the threaded rod 161 is driven to rotate, the valve rod 162 and the extrusion plate 163 are driven to move towards the direction close to the connecting block 14, the valve rod and the extrusion plate 163 are inserted into the connecting block 14, water flow is blocked, the stability of the gate valve is improved, and the gate valve is closed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A gate valve with impact resistance, comprising a valve body (1), characterized in that: the two sides of the valve body (1) are respectively fixedly provided with a water inlet pipe (12) and a water outlet pipe (13), the inner cavity of the valve body (1) is provided with an extrusion plate (163) in a lifting manner, and the inner cavity of the water inlet pipe (12) is provided with an impact-resistant device;

the anti-impact device comprises a sleeve (21), the sleeve (21) is fixedly arranged in an inner cavity of a water inlet pipe (12), a hollow column (22) is arranged in the sleeve (21) in a sliding mode, two ends of the hollow column (22) penetrate through the sleeve (21), a spring (28) is movably sleeved outside the hollow column (22), a connecting disc (25) is fixedly arranged outside one end of the hollow column (22), two ends of the spring (28) are respectively in movable contact with one side of the connecting disc (25) and one side of the inner wall of the sleeve (21), and a plurality of water outlets (24) are formed in the outer side of one end, far away from the connecting disc (25), of the hollow column (22).

2. A gate valve with impact resistance according to claim 1, characterized in that: the two ends of the sleeve (21) are respectively fixedly provided with an air bag ring (211), and the hollow column (22) penetrates through the air bag rings (211).

3. A gate valve with impact resistance according to claim 1, characterized in that: one end of the hollow column (22) frame connecting disc (25) is communicated with a conical tube (23), and a rubber pad I is fixedly arranged at the water inlet of the conical tube (23).

4. A gate valve with impact resistance according to claim 1, characterized in that: valve gap (15) are fixedly arranged at the top of valve body (1), valve gap (15) inner chamber rotates and is equipped with threaded rod (161), threaded rod (161) surface thread bush is equipped with valve rod (162), valve rod (162) slidable mounting is inboard at valve body (1), valve gap (15) are run through at the top of valve rod (162), the fixed stripper plate (163) that is equipped with in bottom of valve rod (162), valve body (1) bottom is fixed to be equipped with connecting block (14), stripper plate (163) activity is inserted and is established in connecting block (14), stripper plate (163) slidable mounting is in valve body (1).

5. A gate valve with impact resistance according to claim 4, wherein: the two sides of the extrusion plate (163) are fixedly provided with first sliding blocks, symmetrically distributed sliding grooves (11) are formed in the valve body (1), and the first sliding blocks are slidably arranged in the sliding grooves (11).

6. A gate valve with impact resistance according to claim 4, wherein: the top of valve gap (15) rotates and is equipped with rolling disc (16), rolling disc (16) and threaded rod (161) fixed connection.

7. A gate valve with impact resistance according to claim 4, wherein: a groove is formed in the connecting block (14), and the bottom of the extrusion plate (163) is movably arranged in the groove.

8. A gate valve with impact resistance according to claim 4, wherein: a circular groove (151) is formed in the valve cover (15), and the valve rod (162) is slidably mounted in the circular groove (151).

9. A gate valve with impact resistance according to claim 4, wherein: the bottom of the extrusion plate (163) is provided with a second rubber pad.