CN219570909U

CN219570909U - Leak-proof sealing gate valve

Info

Publication number: CN219570909U
Application number: CN202320790122.XU
Authority: CN
Inventors: 马东飞; 吴启阳
Original assignee: Vof Valve Manufacturing Co ltd
Current assignee: Vof Valve Manufacturing Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-08-22
Anticipated expiration: 2033-04-11

Abstract

The utility model belongs to the field of gate valves, in particular to a leakage-proof sealing gate valve, which comprises a valve body positioned on a water pipe, wherein a communication hole is formed in the top of the water pipe and is communicated with the valve body, a sealing cover is arranged at the top of the valve body, a valve plate assembly is arranged on the sealing cover and comprises a rotating seat, a threaded hole, an adjusting screw and a valve plate, the rotating seat is rotatably arranged on the sealing cover, the threaded hole is formed in the rotating seat, the adjusting screw is threadedly arranged in the threaded hole, the bottom end of the adjusting screw is fixedly provided with the valve plate, the valve plate penetrates through the communication hole and is matched with the water pipe, and the top end of the adjusting screw extends to the upper part of the rotating seat and is fixedly provided with a limiting plate. The valve plate sealing device is reasonable in design, the sealing property between the sealing cover and the valve body can be improved through the sealing gasket and the sealing assembly, the valve plate can be conveniently moved and reinforced, the purpose of opening or closing the gate valve can be achieved, and the situation that the valve body leaks can be avoided.

Description

Leak-proof sealing gate valve

Technical Field

The utility model relates to the technical field of gate valves, in particular to a leakage-proof sealing 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.

At present, the chinese patent bulletin with publication number CN213628941U discloses a leak-proof sealing gate valve, including the valve body that has inlet channel and outlet channel, axial ring channel has been seted up from outside to interior axial to the inner wall of inlet channel, the inlet channel endotheca is equipped with the fixed cover that the middle part has the water through-hole, and this fixed cover threaded connection is on axial ring channel, the back end wall of fixed cover just is located the outside inward annular groove that has seted up of water through-hole, annular groove makes fixed cover form inner circle bulge loop and outer lane bulge loop, and it has the waterproof soft pad of multilayer to be located between inner circle bulge loop and the outer lane bulge loop, still the cover is equipped with the buffer sleeve that plays the buffering effect to rivers in the inlet channel, still be equipped with the tight fit spacing sleeve that prevents the buffer sleeve from coming off with the buffer sleeve spacing in the inlet channel.

In practical use, the hand wheel is found to lack a fixing mechanism, so that the situation that the valve body moves due to misoperation of the hand wheel is easy to occur, and leakage of the gate valve occurs, and therefore, the leakage-proof sealing gate valve is provided for solving the problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a leakage-proof sealing gate valve.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a sealing gate valve of preventing leaking, includes the valve body that is located on the water pipe, and the communication hole has been seted up at the top of water pipe, and the communication hole is linked together with the valve body, and sealed lid is installed at the top of valve body, is equipped with the valve plate subassembly on the sealed lid;

the valve plate assembly comprises a rotating seat, a threaded hole, an adjusting screw and a valve plate, wherein the rotating seat is rotatably installed on the sealing cover, the threaded hole is formed in the rotating seat, the adjusting screw is installed in the threaded hole in a threaded mode, the valve plate is fixedly installed at the bottom end of the adjusting screw, and the valve plate penetrates through the communication hole and is matched with the water pipe.

Preferably, the top end of the adjusting screw rod extends to the upper side of the rotating seat and is fixedly provided with a limiting plate, and the outer side of the rotating seat is fixedly provided with a hand wheel.

Preferably, a rubber gasket is arranged on the inner wall of the top of the sealing cover, and the rubber gasket is matched with the valve body.

Preferably, a sealing assembly is arranged between the sealing cover and the valve body, and a locking mechanism is arranged on the sealing cover and is matched with the valve body.

Preferably, the sealing assembly comprises a sealing groove and a sealing ring, the sealing groove is formed in the top of the valve body, the sealing ring is arranged in the sealing groove, and the sealing cover is matched with the sealing ring.

Preferably, the locking mechanism comprises a bolt groove, bolt holes and fixing bolts, the bolt groove is formed in the outer side of the valve body, the bolt holes are formed in two sides of the sealing cover, and the fixing bolts matched with the bolt groove are installed in the bolt holes in a threaded mode.

Preferably, a connecting seat is fixedly arranged on one side of the rotating seat, and a fixing mechanism is arranged between the connecting seat and the sealing cover.

Preferably, the fixing mechanism comprises a fixing groove, a fixing hole, a T-shaped fixing rod and a fixing spring, wherein the fixing groove is formed in the top of the sealing cover, the fixing hole is formed in the connecting seat, the T-shaped fixing rod matched with the fixing groove is slidably arranged in the fixing hole, and the fixing spring is arranged between the T-shaped fixing rod and the connecting seat.

The utility model has the beneficial effects that:

1. the sealing cover is arranged on the valve body, so that the valve plate extends into the water pipe through the communication hole, the sealing property between the sealing cover and the valve body can be improved through the matching of the sealing gasket and the sealing ring, the situation of leakage of the valve body is avoided, the fixing bolt can be screwed into the bolt groove through rotating the fixing bolt, and the purpose of fixedly mounting the sealing cover can be achieved;

2. when the gate valve needs to be opened, through upwards moving T shape dead lever for T shape dead lever can drop the fixed slot, thereby can realize relieving the connecting seat and rotate the seat and fix the purpose of dismantlement, through rotating the hand wheel, the hand wheel can drive to rotate the seat, rotates the seat and upwards moves through screw hole drive adjusting screw and valve plate, can realize opening the purpose of gate valve.

Drawings

Fig. 1 is a schematic perspective view of a leak-proof sealing gate valve according to the present utility model;

FIG. 2 is a schematic diagram of a front view of a leak-proof seal gate valve according to the present utility model;

FIG. 3 is a schematic view of a portion A of a leak-proof seal gate valve according to the present utility model;

fig. 4 is a schematic diagram of a portion B of a leak-proof seal gate valve according to the present utility model.

In the figure: 1. a water pipe; 2. a valve body; 3. sealing cover; 4. a communication hole; 5. a valve plate; 6. a rotation hole; 7. a rotating seat; 8. a threaded hole; 9. adjusting a screw; 10. a limiting plate; 11. a hand wheel; 12. a fixing groove; 13. a connecting seat; 14. a fixing hole; 15. a T-shaped fixing rod; 16. a fixed spring; 17. a rubber pad; 18. a seal assembly; 19. a bolt slot; 20. bolt holes; 21. and (5) fixing bolts.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. 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 fall within the scope of the utility model.

When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present, the term "disposed" indicating a manner of presence and may be connected, mounted, fixedly connected, operatively connected, or the like. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, a sealing gate valve for preventing leakage, including the valve body 2 that is located on the water pipe 1, the intercommunicating pore 4 has been seted up at the top of water pipe 1, and intercommunicating pore 4 is linked together with valve body 2, sealed lid 3 is installed at the top of valve body 2, be equipped with the valve plate subassembly on the sealed lid 3, the valve plate subassembly includes rotation seat 7, screw hole 8, adjusting screw 9 and valve plate 5, rotation seat 7 rotates and installs on sealed lid 3, more specifically, the rotation hole 6 has been seted up on sealed lid 3, and rotation seat 7 rotates with rotation hole 6 to be connected, screw hole 8 is seted up on rotation seat 7, adjusting screw 9 screw thread installs in screw hole 8, the bottom fixed mounting of adjusting screw 9 has valve plate 5, valve plate 5 runs through intercommunicating pore 4 and with water pipe 1 looks adaptation, more specifically, arc recess has been seted up on the bottom inner wall of water pipe, the bottom fixed mounting of valve plate 5 has the sealing seat, and sealing seat looks adaptation with arc recess, the top of adjusting screw 9 extends to the top of rotation seat 7 and fixedly mounted limiting plate 10, can be limited through limiting plate 10, rotation seat 9, the outside fixed mounting of rotation seat 7 has hand wheel 11 through limiting plate 11, the hand wheel 11 is convenient for rotate seat 7 and is rotated through setting up and is convenient for rotate seat 11.

Referring to fig. 4, a rubber pad 17 is installed on the top inner wall of the sealing cover 3, the rubber pad 17 is matched with the valve body 2, a sealing component 18 is arranged between the sealing cover 3 and the valve body 2, a locking mechanism is arranged on the sealing cover 3, the locking mechanism is matched with the valve body 2, the sealing component 18 comprises a sealing groove and a sealing ring, the sealing groove is formed in the top of the valve body 2, the sealing ring is installed in the sealing groove, the sealing cover 3 is matched with the sealing ring, and the tightness between the sealing cover 3 and the valve body 2 can be improved through the sealing ring.

The locking mechanism comprises a bolt groove 19, bolt holes 20 and fixing bolts 21, wherein the bolt groove 19 is formed in the outer side of the valve body 2, the bolt holes 20 are formed in two sides of the sealing cover 3, the fixing bolts 21 matched with the bolt groove 19 are installed in the bolt holes 20 in a threaded mode, and the purpose of fixing and releasing the sealing cover 3 can be achieved through the fact that the fixing bolts 21 and the bolt grooves 19 are arranged in a matched mode.

Referring to fig. 3, a connecting seat 13 is fixedly installed on one side of a rotating seat 7, a fixing mechanism is arranged between the connecting seat 13 and a sealing cover 3, the fixing mechanism comprises a fixing groove 12, a fixing hole 14, a T-shaped fixing rod 15 and a fixing spring 16, the fixing groove 12 is formed in the top of the sealing cover 3, the fixing hole 14 is formed in the connecting seat 13, a T-shaped fixing rod 15 matched with the fixing groove 12 is slidably installed in the fixing hole 14, the fixing spring 16 is installed between the T-shaped fixing rod 15 and the connecting seat 13, and the purposes of fixing and releasing the connecting seat 13 and the rotating seat 7 can be achieved through the cooperation of the T-shaped fixing rod 15 and the fixing groove 12.

According to the utility model, the sealing cover 3 is arranged on the valve body 2, the valve plate 5 extends into the water pipe 1 through the communication hole 4, the sealing property between the sealing cover 3 and the valve body 2 can be increased through the cooperation of the sealing gasket and the sealing ring, so that the leakage of the valve body 2 is avoided, the fixing bolt 21 can be screwed into the bolt groove 19 through rotating the fixing bolt 21, the purpose of fixing the sealing cover 3 can be realized, when a gate valve needs to be opened, the T-shaped fixing rod 15 can be separated from the fixing groove 12 through upwards moving the T-shaped fixing rod 15, the purpose of fixing and releasing the connecting seat 13 and the rotating seat 7 can be realized, the rotating seat 7 can be driven to rotate through rotating the hand wheel 11, and the adjusting screw 9 and the valve plate 5 are driven to upwards move through the threaded hole 8 by the rotating seat 7, so that the gate valve can be opened.

The above describes in detail a leak-proof sealing gate valve provided by the utility model. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The leakage-proof sealing gate valve is characterized by comprising a valve body (2) positioned on a water pipe (1), wherein a communication hole (4) is formed in the top of the water pipe (1), the communication hole (4) is communicated with the valve body (2), a sealing cover (3) is arranged on the top of the valve body (2), and a valve plate assembly is arranged on the sealing cover (3);

the valve plate assembly comprises a rotating seat (7), a threaded hole (8), an adjusting screw (9) and a valve plate (5), wherein the rotating seat (7) is rotatably installed on a sealing cover (3), the threaded hole (8) is formed in the rotating seat (7), the adjusting screw (9) is installed in the threaded hole (8) in a threaded mode, the valve plate (5) is fixedly installed at the bottom end of the adjusting screw (9), and the valve plate (5) penetrates through a communication hole (4) and is matched with a water pipe (1).

2. The leakage-proof sealing gate valve according to claim 1, wherein the top end of the adjusting screw (9) extends to the upper side of the rotating seat (7) and is fixedly provided with a limiting plate (10), and the outer side of the rotating seat (7) is fixedly provided with a hand wheel (11).

3. A sealing gate valve as claimed in claim 1, characterized in that a rubber gasket (17) is mounted on the top inner wall of the sealing cover (3), and that the rubber gasket (17) is adapted to the valve body (2).

4. A sealing gate valve according to claim 1, characterized in that a sealing assembly (18) is arranged between the sealing cover (3) and the valve body (2), and a locking mechanism is arranged on the sealing cover (3), and the locking mechanism is matched with the valve body (2).

5. The leakage-proof sealing gate valve according to claim 4, wherein the sealing assembly (18) comprises a sealing groove and a sealing ring, the sealing groove is arranged on the top of the valve body (2), the sealing ring is arranged in the sealing groove, and the sealing cover (3) is matched with the sealing ring.

6. The leakage-proof sealing gate valve according to claim 4, wherein the locking mechanism comprises a bolt groove (19), a bolt hole (20) and a fixing bolt (21), the bolt groove (19) is formed in the outer side of the valve body (2), the bolt hole (20) is formed in two sides of the sealing cover, and the fixing bolt (21) matched with the bolt groove (19) is installed in the bolt hole (20) in an internal thread mode.

7. A sealing gate valve according to claim 1, characterized in that a connecting seat (13) is fixedly arranged on one side of the rotating seat (7), and a fixing mechanism is arranged between the connecting seat (13) and the sealing cover (3).

8. The leakage-proof sealing gate valve according to claim 7, wherein the fixing mechanism comprises a fixing groove (12), a fixing hole (14), a T-shaped fixing rod (15) and a fixing spring (16), the fixing groove (12) is formed in the top of the sealing cover (3), the fixing hole (14) is formed in the connecting seat (13), the T-shaped fixing rod (15) matched with the fixing groove (12) is slidably mounted in the fixing hole (14), and the fixing spring (16) is mounted between the T-shaped fixing rod (15) and the connecting seat (13).