CN220910528U

CN220910528U - Flat gate valve connecting and sealing device

Info

Publication number: CN220910528U
Application number: CN202322457181.8U
Authority: CN
Inventors: 魏永冈; 李提; 提甜甜; 杜芳; 杨超
Original assignee: Shangdong Zhongli High Pressure Valve Co ltd
Current assignee: Shangdong Zhongli High Pressure Valve Co ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-05-07
Anticipated expiration: 2033-09-11

Abstract

The utility model discloses a flat gate valve connecting and sealing device which comprises a valve body, wherein a first connecting pipe is connected to the middle part of one side of the valve body. According to the flat gate valve connecting sealing device, through the mutual matching of the sealing cylinder, the sealing block, the connecting port, the sealing ring, the rotating plate, the moving block, the moving groove and the sealing ring, the sealing performance of the joint of the rotating rod and the upper end of the valve body can be conveniently improved, the leakage condition of the valve body and the rotating rod is avoided, and according to a plurality of sealing assemblies, if the single sealing ring or the sealing ring falls off, the leakage condition can not occur, the gate valve is not required to be overhauled, and the practicability of the gate valve is improved; through the mutually supporting of bull stick, dead lever, flashboard and the sealed pad that set up, can be convenient for quick through the flashboard to block up two openings, can avoid the opening part to take place the condition of revealing through sealed pad, also avoid the flashboard department to take place the condition of wearing and tearing, improve the life of gate valve.

Description

Flat gate valve connecting and sealing device

Technical Field

The utility model relates to the field of flat gate valves, in particular to a flat gate valve connecting and sealing device.

Background

The flat gate valve is a sliding valve with parallel gate plates as the closing member, the closing member can be a single gate plate or a double gate plate with a spreading mechanism in between, the pressing force of the gate plate to a valve seat is controlled by the medium pressure acting on a floating gate plate or the floating valve seat, and if the flat gate valve is a double gate plate gate valve, the spreading mechanism between the two gate plates can supplement the pressing force; the flat gate valve can be divided into a manual flat gate valve, a pneumatic flat gate valve and an electric flat gate valve according to a driving mode. The device can be divided into a flat gate valve with a diversion hole, a flat gate valve without a diversion hole, an oilfield flat gate valve, a pipeline flat gate valve, a gas flat gate valve and the like according to purposes and application occasions.

The sealing fingers are tightly closed; the seal can be divided into a static seal and a dynamic seal, wherein the seal is a part or measure for preventing fluid or solid particles from leaking from adjacent joint surfaces and preventing external impurities such as dust, moisture and the like from invading the inside of the machine equipment, and the static seal refers to a seal container for tightly sealing a seal cabin for sealing letters and a seal of a legacy.

The existing gate valve can possibly have the problems that a sealing ring falls off or abrasion is generated on a sealing surface of a gate plate after long-time use, so that the sealing fit performance of the gate plate and a valve seat is poor in the closing process of the gate plate, leakage is easy to occur, the sealing performance of the gate valve is greatly reduced, and the service life of the gate valve is reduced.

Therefore, it is necessary to provide a flat gate valve connection sealing device to solve the above problems.

Disclosure of utility model

The utility model mainly aims to provide a flat gate valve connecting and sealing device which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides a sealing device is connected to flat gate valve, includes the valve body, valve body one side middle part is connected with first connecting pipe, valve body opposite side middle part is connected with the second connecting pipe, valve body both sides correspond first connecting pipe and second connecting pipe department and seted up the opening, valve body upper end middle part is connected with sealed section of thick bamboo, sealed section of thick bamboo upper end is connected with the roof, roof upper end middle part is connected with the bull stick, sealed section of thick bamboo internally connected has the sealing block, the bull stick lower extreme runs through roof, sealing block and valve body in proper order and extends to the valve body inside, the bull stick lower extreme is connected with valve body inner wall lower extreme, the connecting port department has been seted up to the valve body upper end, the connecting port inner wall is connected with the sealing washer, sealing washer inner wall and bull stick outside middle part contact, bull stick outside lower part is connected with seal assembly, the bull stick both sides all are connected with the dead lever, two dead lever one end are connected with the flashboard, two sealing washer one side contacts with valve body inner wall both sides respectively, bull stick both sides upper portion all is connected with the installation pole, two installation pole, rotation ring is connected with rotation ring, the outside is located to locate.

Preferably, the sealing assembly comprises a rotating plate, moving blocks are connected to two sides of the upper end of the rotating plate, a sealing ring is connected to the upper end of the rotating plate, and the upper end of the sealing ring is in contact with the upper end of the inner wall of the valve body.

Preferably, the sealing ring is made of rubber material.

Preferably, a moving groove is formed in the upper end of the inner wall of the valve body at the position corresponding to the two moving blocks, and the upper ends of the two moving blocks are positioned in the moving groove and are in sliding connection.

Preferably, the sealing block and the sealing ring are made of silica gel materials.

Preferably, the shape of the two flashboards is contacted with two sides of the inner wall of the valve body.

Preferably, the shape of the sealing gasket is matched with the shape of the inner wall of the valve body, and the sealing gasket is made of rubber materials.

Preferably, the outer side of the rotating ring is sleeved with an anti-skid sleeve.

Advantageous effects

Compared with the prior art, the utility model provides a flat gate valve connecting and sealing device, which has the following beneficial effects:

1. This sealing device is connected to flat gate valve, through the sealing tube that sets up, sealing block, connector, sealing washer, rotor plate, movable block, movable groove, sealing ring's mutually support, can conveniently improve the sealing performance of bull stick and valve body upper end junction, avoid valve body and bull stick department to take place the condition of revealing, and according to a plurality of seal assembly, if the condition that single sealing washer or sealing ring drop appears, the condition that can not take place to reveal does not need to overhaul the gate valve, has increased the practicality of gate valve.

2. This sealing device is connected to flat gate valve, through the bull stick that sets up, dead lever, flashboard and sealed mutually supporting of filling up, can be convenient for quick pass through the flashboard and block up two openings, can avoid the condition that the opening part took place to reveal through sealed the filling up, also avoid the flashboard department to take place the condition of wearing and tearing, improve the life of gate valve.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the mounting structure of the shutter of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 2a according to the present utility model.

In the figure: 1. a valve body; 2. a first connection pipe; 3. a second connection pipe; 4. an opening; 5. a sealing cylinder; 6. a top plate; 7. a rotating rod; 8. a sealing block; 9. a connection port; 10. a seal ring; 11. a rotating plate; 12. a moving block; 13. a moving groove; 14. a seal ring; 15. a fixed rod; 16. a flashboard; 17. a sealing gasket; 18. a mounting rod; 19. and rotating the ring.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in figures 1-4, the flat gate valve connecting sealing device comprises a valve body 1, wherein a first connecting pipe 2 is connected to the middle part of one side of the valve body 1, a second connecting pipe 3 is connected to the middle part of the other side of the valve body 1, openings 4 are formed in positions, corresponding to the first connecting pipe 2 and the second connecting pipe 3, of two sides of the valve body 1, gas is convenient to convey, a sealing cylinder 5 is connected to the middle part of the upper end of the valve body 1, a rotating rod 7 is convenient to rotate, sealing performance of the rotating rod 7 and the valve body 1 is improved, a top plate 6 is connected to the upper end of the sealing cylinder 5, a rotating rod 7 is connected to the middle part of the upper end of the top plate 6, a sealing block 8 is connected to the inner part of the sealing cylinder 5, leakage of the rotating rod 7 and the valve body 1 is avoided, the lower end of the rotating rod 7 sequentially penetrates through the top plate 6, the sealing block 8 and the valve body 1 and extends into the valve body 1, the lower end of the rotating rod 7 is connected to the lower end of the inner wall of the valve body 1, a connecting port 9 is formed in the position corresponding to the rotating rod 7, the inner wall of the connecting port 9 is connected with a sealing ring 10, the sealing performance of the connecting port 9 is improved, the inner wall of the sealing ring 10 is contacted with the middle part of the outer side of the rotating rod 7, the lower part of the outer side of the rotating rod 7 is connected with a sealing component, both sides of the rotating rod 7 are connected with fixing rods 15, one ends of the two fixing rods 15 are connected with flashboards 16, one side of each flashboard 16 is connected with a sealing gasket 17, one side of each sealing gasket 17 is respectively contacted with both sides of the inner wall of the valve body 1, the upper parts of both sides of the rotating rod 7 are connected with mounting rods 18, one ends of each mounting rod 18 are connected with a rotating ring 19, the rotating ring 19 is conveniently driven to rotate, the rotating ring 19 is sleeved on the outer side of the rotating rod 7, the sealing component comprises a rotating plate 11, both sides of the upper end of the rotating plate 11 are connected with moving blocks 12, the upper end of the rotating plate 11 is connected with a sealing ring 14, the sealing performance of the rotating plate 11 and the valve body 1 is improved, the upper end of the sealing ring 14 is contacted with the upper end of the inner wall of the valve body 1, the sealing ring 14 is made of rubber materials, the moving groove 13 is formed in the position, corresponding to the two moving blocks 12, of the upper end of the inner wall of the valve body 1, the upper ends of the two moving blocks 12 are located in the moving groove 13 and are in sliding connection, the sealing block 8 and the sealing ring 10 are made of silica gel materials, the shape of the two flashboards 16 is in contact with two sides of the inner wall of the valve body 1, the shape of the sealing gasket 17 is matched with the shape of the inner wall of the valve body 1, the sealing gasket 17 is made of rubber materials, and the outer side of the rotating ring 19 is sleeved with an anti-sliding sleeve.

It should be noted that, when the flat gate valve connecting and sealing device is used, the rotating ring 19 and the mounting rod 18 drive the rotating rod 7 to rotate, so that the positions of the fixing rod 15, the flashboard 16 and the sealing gasket 17 can be driven to move, the flashboard 16 contacts with the opening 4 on the inner wall of the valve body 1, the two openings 4 can be blocked, the rotating rod 7 drives the rotating plate 11 to rotate, the moving block 12 is positioned in the moving groove 13 and is in sliding connection, the sealing performance of the joint of the rotating rod 7 and the valve body 1 is improved through the sealing ring 10 and the sealing ring 14, and then the sealing performance of the rotating rod 7 and the valve body 1 is improved through the sealing block 8.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sealing device is connected to flat gate valve, includes valve body (1), its characterized in that: the valve body (1) one side middle part is connected with first connecting pipe (2), valve body (1) opposite side middle part is connected with second connecting pipe (3), opening (4) have been seted up to valve body (1) both sides corresponding first connecting pipe (2) and second connecting pipe (3) department, valve body (1) upper end middle part is connected with sealed section of thick bamboo (5), sealed section of thick bamboo (5) upper end is connected with roof (6), roof (6) upper end middle part is connected with bull stick (7), sealed section of thick bamboo (5) internal connection has sealed piece (8), bull stick (7) lower extreme runs through roof (6), sealed piece (8) and valve body (1) in proper order and extends to valve body (1) inside, bull stick (7) lower extreme and valve body (1) inner wall lower extreme are connected, connector (9) are seted up to valve body (1) upper end corresponding bull stick (7) department, connector (9) inner wall is connected with sealing washer (10), bull stick (10) inner wall and bull stick (7) outside contact, 7) middle part is connected with bull stick (7) upper end middle part, sealing washer (15) are connected with ram (16) one side fixed connection has ram (16), two sealed pad (17) one side respectively with valve body (1) inner wall both sides contact, bull stick (7) both sides upper portion all is connected with installation pole (18), two installation pole (18) one end is connected with swivel becket (19), swivel becket (19) cover is located bull stick (7) outside.

2. The flat gate valve connection sealing device according to claim 1, wherein: the sealing assembly comprises a rotating plate (11), wherein two sides of the upper end of the rotating plate (11) are connected with moving blocks (12), the upper end of the rotating plate (11) is connected with a sealing ring (14), and the upper end of the sealing ring (14) is in contact with the upper end of the inner wall of the valve body (1).

3. The flat gate valve connection sealing device according to claim 2, wherein: the sealing ring (14) is made of rubber material.

4. The flat gate valve connection sealing device according to claim 2, wherein: the upper end of the inner wall of the valve body (1) is provided with a moving groove (13) corresponding to the two moving blocks (12), and the upper ends of the two moving blocks (12) are positioned in the moving groove (13) and are in sliding connection.

5. The flat gate valve connection sealing device according to claim 1, wherein: the sealing block (8) and the sealing ring (10) are made of silica gel materials.

6. The flat gate valve connection sealing device according to claim 1, wherein: the shape of the two flashboards (16) is contacted with two sides of the inner wall of the valve body (1).

7. The flat gate valve connection sealing device according to claim 1, wherein: the shape of the sealing gasket (17) is matched with the shape of the inner wall of the valve body (1), and the sealing gasket (17) is made of rubber materials.

8. The flat gate valve connection sealing device according to claim 1, wherein: an anti-skid sleeve is sleeved outside the rotating ring (19).