CN220792117U

CN220792117U - Gate valve plate

Info

Publication number: CN220792117U
Application number: CN202321996582.4U
Authority: CN
Inventors: 徐伟
Original assignee: Tianjin Yinhe Ouhua Metal Products Co ltd
Current assignee: Tianjin Yinhe Ouhua Metal Products Co ltd
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2024-04-16
Anticipated expiration: 2033-07-27

Abstract

The utility model discloses a gate valve plate, which relates to the technical field of valves and comprises a valve body and a valve plate body, wherein the top of the valve body is provided with a valve cover, the top of the valve cover is provided with a valve rod, the lower end of the valve rod penetrates through the valve cover and is provided with a fixed block positioned in the valve body, the valve plate body is fixedly arranged below the fixed block, the middle of the valve plate body is internally provided with a reinforcing steel bar frame, the middle of the periphery of the valve plate body is provided with a clamping ring block, the left side of the valve plate body is provided with a connecting plate, the outer ring of the connecting plate is provided with a first sealing ring, and the front of the connecting plate is provided with a sealing ring ball. Compared with the existing common valve plate, the valve plate of the gate valve has the advantages that when the valve plate is completely closed, the clamping groove on the valve body is completely combined with the sealing ring I to seal, meanwhile, when the valve plate is closed for a long time, the sealing ring ball is extruded and deformed due to overlarge pressure, the secondary sealing effect is achieved, the sealing performance is improved, and meanwhile, the impact force of water on the connecting plate is reduced.

Description

Gate valve plate

Technical Field

The utility model relates to the technical field of valves, in particular to a gate valve plate of a gate valve.

Background

The gate valve (gate valve) is a shutter, the moving direction of the shutter is perpendicular to the fluid direction, and the gate valve can only be fully opened and fully closed, and cannot be regulated 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. Sealing is performed with the valve plate.

However, the existing valve plate cannot be supported under the action of strong hydraulic force for a long time, meanwhile, the phenomenon of liquid leakage can easily occur, abrasion is easily caused at the contact position of the valve plate and the valve body when the valve plate moves in production time, and therefore, the phenomenon of medium leakage easily occurs after the valve plate is used for a long time, the valve plate is replaced integrally, and the resource waste is easily caused.

Accordingly, in view of the above, a gate valve plate has been proposed which is improved against the shortcomings of the conventional structure.

Disclosure of Invention

The present utility model is directed to a gate valve plate to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gate valve plate, includes valve body and valve plate body, the top of valve body is provided with the valve gap, the top of valve gap is provided with the valve rod, the lower extreme of valve rod runs through the valve gap and is provided with the fixed block that is located the valve body inside, valve plate body fixed mounting is in the below of fixed block, the inside reinforcing bar frame that is provided with in centre of valve plate body, be provided with the clamping ring piece in the middle of the periphery of valve plate body, the left side of valve plate body is provided with the connecting plate, the outer lane of connecting plate is provided with sealing washer one, the place ahead of connecting plate is provided with sealed world.

Preferably, a cover sleeve is arranged on the left side of the nut, and the cover sleeve is round.

Preferably, a plurality of through grooves are formed in the valve plate body, and the through grooves penetrate through two ends of the valve plate body.

Preferably, a threaded rod is arranged in the through groove, and one end of the threaded rod is fixedly connected with the connecting plate.

Preferably, the other end of the threaded rod is connected with a nut in a threaded manner, and the nut is arranged in the through groove.

Preferably, four first connecting blocks are uniformly arranged at the front end of the periphery of the cover sleeve, the first connecting blocks are fixedly connected with the cover sleeve, second clamping blocks are arranged above the front end of the first connecting blocks, and the second clamping blocks are rectangular.

Preferably, a friction ring is arranged at the rear of the first connecting block, the friction ring is arranged on the outer ring of the cover sleeve, and a handle is fixedly connected at the rear of the cover sleeve.

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

1. according to the utility model, through the arrangement of the reinforcing steel bar frame, the first sealing ring and the sealing ring ball, when the sealing ring is completely closed, the first sealing ring is completely combined with the clamping groove on the valve body to realize sealing, and meanwhile, when the sealing ring ball is closed for a long time, the sealing ring ball is extruded and deformed due to overlarge pressure, so that the secondary sealing effect is realized, the sealing performance is improved, meanwhile, the reinforcing steel bar frames arranged in the valve plate body under the impact of water on the connecting plate are mutually overlapped to form a triangular structure, the weight is reduced, the strength is not reduced, and the practicability of the device is embodied;

2. the utility model is provided with the connecting plate, the threaded rod, the through groove and the nut, when the sealing ring I and the sealing ring II are used for a long time, the sealing effect is easy to reduce, the main brake is closed firstly, the valve rod is rotated to enable the valve rod to move, when the valve rod reaches the top, the valve rod body is taken out by loosening the valve cover, and then the cover sleeve is taken out, so that the nut is loosened, the connecting plate is taken out, the threaded rod behind the connecting plate is taken out from the through groove, thereby replacing the connecting plate, the valve body is not required to be replaced integrally, the replacement cost is reduced,

3. according to the utility model, through the arrangement of the cover sleeve, the first connecting block, the second clamping block, the friction ring and the handle, after the connecting plate is installed, the first connecting block and the second clamping block on the cover sleeve are abutted to the clamping groove on the through groove through the handle, and then the through groove is closed by pressing and rotating, so that the friction ring on the outer ring at the rear part of the cover sleeve can increase friction, meanwhile, water is prevented from entering the inside to form pressure, the nut is loosened, the nut is prevented from loosening, meanwhile, the water is prevented from entering the inside to corrode the threaded rod and the nut, and the practicability of the device is embodied.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic overall sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic diagram of the front view of the valve plate body and the snap ring block according to the present utility model;

fig. 5 is a schematic perspective view of the cover and handle of the present utility model.

In the figure: 1. a valve body; 2. a valve cover; 3. a valve stem; 4. a fixed block; 5. a valve plate body; 6. a reinforcing steel bar frame; 7. a clamping ring block; 8. a connecting plate; 9. a first sealing ring; 10. sealing the ring; 11. a threaded rod; 12. a through groove; 13. a nut; 14. a cover sleeve; 15. a first connecting block; 16. a clamping block II; 17. a friction ring; 18. a handle.

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.

As shown in fig. 1-4, a gate valve plate comprises a valve body 1 and a valve plate body 5, wherein a valve cover 2 is arranged at the top of the valve body 1, a valve rod 3 is arranged at the top of the valve cover 2, the lower end of the valve rod 3 penetrates through the valve cover 2 and is provided with a fixed block 4 positioned in the valve body 1, the valve plate body 5 is fixedly arranged below the fixed block 4, a reinforcing steel bar frame 6 is arranged in the middle of the valve plate body 5, a clamping ring block 7 is arranged in the middle of the periphery of the valve plate body 5, a connecting plate 8 is arranged on the left side of the valve plate body 5, a sealing ring 9 is arranged on the outer ring of the connecting plate 8, and a sealing ring ball 10 is arranged in front of the connecting plate 8.

Further, the reinforcing steel bar frames 6 arranged inside the valve plate body 5 are mutually overlapped to form a triangular structure, so that the strength of the valve plate body is not reduced while the weight of the valve plate body is reduced, and the practicability of the device is embodied.

Further, the sealing ring ball 10 is elastically connected with the connecting plate 8, so that the sealing ring ball is convenient to stretch, the secondary sealing and buffering effects are achieved, and the impact force received by the connecting plate 8 is reduced.

As shown in fig. 2, 3 and 5, a plurality of through grooves 12 are formed in the valve plate body 5, the through grooves 12 penetrate through two ends of the valve plate body 5, a threaded rod 11 is arranged in the through grooves 12, one end of the threaded rod 11 is fixedly connected with a connecting plate 8, the other end of the threaded rod 11 is in threaded connection with a nut 13, the nut 13 is arranged in the through grooves 12, a cover sleeve 14 is arranged on the left side of the nut 13, the cover sleeve 14 is circular, four connecting blocks 15 are uniformly arranged at the front end of the periphery of the cover sleeve 14, the connecting blocks 15 are fixedly connected with the cover sleeve 14, a clamping block two 16 is arranged above the front end of the connecting block one 15, the clamping block two 16 is rectangular, a friction ring 17 is arranged behind the connecting block one 15, the friction ring 17 is arranged on the outer ring of the cover sleeve 14, a handle 18 is fixedly connected at the rear of the cover sleeve 14,

further, the friction ring 17 is made of rubber, and the friction ring 17 is slightly larger than the through groove 12, so that the friction ring can play a role in preventing falling off, and has good sealing performance.

Working principle: when the gate valve plate is used, firstly, when a water supply flow is required to be used, the valve rod 3 rotates and moves downwards on the valve cover 2 through rotating the valve rod 3, the valve rod 3 moves upwards and gradually moves towards the inside of the valve body 1 for use, the bottom end fixing block 4 of the valve rod 3 moves upwards to drive the valve plate body 5 to move downwards, the clamping ring block 7 on the valve plate body 5 is clamped with the clamping groove on the inner wall of the valve body 1, the valve plate body 5 is prevented from moving downwards, and simultaneously, the valve plate body 5 rotates, and when the valve plate is completely closed, the first sealing ring 9 is completely combined with the clamping groove on the valve body 1 to achieve sealing, and meanwhile, when the valve plate is closed for a long time, the pressure is too large, the sealing ring 10 is extruded and deformed to achieve the effect of secondary sealing, the sealing is increased, meanwhile, the reinforcing steel bar frames 6 arranged inside the valve plate body 5 which is also reduced in the impact force of water on the connecting plate 8 are mutually overlapped to form a triangle structure, and the weight is reduced, the utility model also does not reduce the intensity, the practicability of the device is reflected, when the sealing ring I9 and the sealing ring ball 10 are used for a long time, the sealing effect is easy to reduce, the main brake is closed firstly, then the valve rod 3 is rotated, so that the valve rod 3 moves, when reaching the top, the valve plate body 5 is taken out by loosening the valve cover 2, the cover sleeve 14 is taken out again, thereby loosening the nut 13, the connecting plate 8 is taken out, the threaded rod 11 behind the connecting plate 8 is taken out from the open groove 12, thereby replacing the connecting plate 8, the valve body 1 is not required to be replaced integrally, the replacement cost is reduced, after the connecting plate 8 is installed, the connecting block I15 and the clamping block II 16 on the cover sleeve 14 are butted on the clamping groove 12 through the handle 18, then the pressing rotation is carried out, thereby closing the through groove 12, the friction ring 17 of the outer ring behind the cover sleeve 14 is used for increasing friction, the water is prevented from entering the inside to form pressure to loosen the nut 13, and the threaded rod 11 and the nut 13 are prevented from being corroded by the water entering the inside while the nut 13 is prevented from loosening, so that the practicability of the device is embodied, and the working principle of the gate valve plate is shown.

Claims

1. The utility model provides a gate valve plate, includes valve body (1) and valve plate body (5), a serial communication port, the top of valve body (1) is provided with valve gap (2), the top of valve gap (2) is provided with valve rod (3), the lower extreme of valve rod (3) runs through valve gap (2) and is provided with fixed block (4) that are located inside valve body (1), valve plate body (5) fixed mounting is in the below of fixed block (4), the inside reinforcing bar frame (6) that are provided with in centre of valve plate body (5), be provided with snap ring piece (7) in the middle of the periphery of valve plate body (5), the left side of valve plate body (5) is provided with connecting plate (8), the outer lane of connecting plate (8) is provided with sealing washer one (9), the place ahead of connecting plate (8) is provided with sealed ring ball (10).

2. A gate valve plate according to claim 1, characterized in that a plurality of through grooves (12) are formed in the valve plate body (5), and the through grooves (12) penetrate through two ends of the valve plate body (5).

3. A gate valve plate according to claim 2, characterized in that the inside of the through groove (12) is provided with a threaded rod (11), and one end of the threaded rod (11) is fixedly connected to the connecting plate (8).

4. A gate valve plate according to claim 3, characterized in that the other end of the threaded rod (11) is screwed with a nut (13), and that the nut (13) is in the through groove (12).

5. A gate valve plate according to claim 4, characterized in that the left side of the nut (13) is provided with a cover sleeve (14), and that the cover sleeve (14) is circular.

6. The gate valve plate according to claim 5, wherein four first connecting blocks (15) are uniformly arranged at the front end of the periphery of the cover sleeve (14), the first connecting blocks (15) are fixedly connected with the cover sleeve (14), second clamping blocks (16) are arranged above the front end of the first connecting blocks (15), and the second clamping blocks (16) are rectangular.

7. The gate valve plate according to claim 6, wherein a friction ring (17) is disposed at the rear of the first connecting block (15), the friction ring (17) is disposed at the outer ring of the cover sleeve (14), and a grip (18) is fixedly connected at the rear of the cover sleeve (14).