CN220792061U - Leakage-proof fire-fighting gas cylinder valve - Google Patents

Abstract

The utility model discloses a leakage-proof fire-fighting gas cylinder valve which comprises a valve body, wherein a leakage-proof assembly is arranged in an inner cavity of the valve body, a valve cover is fixedly arranged on the outer surface of the upper end of the valve body, a valve rod is fixedly arranged on the outer surface of the upper end of the leakage-proof assembly, and the valve rod penetrates through the valve cover. According to the anti-leakage fire-fighting gas cylinder valve, through the arranged anti-leakage assembly, the contact between the inner sealing surface of the valve and the valve clack can be reduced, the first sealing ring is added, so that the gas can be blocked, the sealing property and durability of the valve are improved, the service life and sealing performance of the valve are improved, the valve is effectively prevented from leaking accidents, the sealing property between the valve and the connecting pipe can be improved through the arranged conical connector and the second sealing ring, the gas is prevented from leaking from the connecting part of the connecting pipe and the valve, and a better application prospect can be brought.

Description

Leakage-proof fire-fighting gas cylinder valve

Technical Field

The utility model relates to the technical field of fire-fighting gas cylinder valves, in particular to a leakage-proof fire-fighting gas cylinder valve.

Background

The fire-fighting gas cylinder refers to a steel bottle-shaped container for storing gas for fire extinguishment, valves are arranged at the upper ends of the existing fire-fighting gas cylinders, the valves are mechanical devices for controlling the flow, the flow direction, the pressure, the temperature and the like of flowing fluid media, the valves are basic components in a pipeline system, and the valves are important fluid control equipment in industry, relate to various departments of national economy and are important basic equipment for development of national economy.

When the existing fire-fighting gas cylinder valve is installed and used, after the valve is opened and closed for a long time, the sealing surface is easy to wear, so that gas leaks from a worn gap, the valve cannot be tightly closed, the joint of the valve and a connecting pipe is worn, and the leakage condition occurs.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the anti-leakage fire-fighting gas cylinder valve which is provided with the anti-leakage assembly, the contact between the inner sealing surface of the valve and the valve clack can be reduced through the arranged sealing ring I, the gas can be blocked through the addition of the sealing ring I, the tightness and durability of the valve are improved, the service life and sealing of the valve are prolonged, the valve is effectively prevented from leaking, the sealing performance between the valve and the connecting pipe can be improved through the arranged conical joint and the sealing ring II, the gas is prevented from leaking from the connecting part of the connecting pipe and the valve, and the problems in the background technology can be effectively solved.

Technical proposal

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a leak protection fire control gas cylinder valve, includes the valve body, the inner chamber of valve body is provided with the leak protection subassembly, the upper end surface fixed mounting of valve body has the valve gap, the upper end surface fixed mounting of leak protection subassembly has the valve rod, just the inside of valve gap is worn to locate by the valve rod, the upper end one end surface fixed mounting of valve rod has the hand wheel.

Preferably, the anti-leakage assembly comprises a connecting block, a valve clack, a first sealing ring, a sealing ring clamping groove, a threaded sleeve, a conical joint, an elastic gasket, a through hole and a second sealing ring, wherein the connecting block is fixedly arranged on the outer surface of one end of the lower end of the valve rod, the valve clack is fixedly arranged on the outer surface of the lower end of the connecting block, and the first sealing ring is fixedly arranged on the outer wall of the lower end of the valve clack.

Preferably, a sealing ring clamping groove is formed in the inner cavity of the valve body, and the first sealing ring is connected with the sealing ring clamping groove in an adaptive mode.

Preferably, a threaded sleeve and a conical joint are fixedly arranged on the outer surface of one side of the nut, and an elastic gasket is sleeved on the outer wall of the conical joint.

Preferably, the through hole is formed in the outer surface of one side of the conical connector, the second sealing ring is sleeved on the outer wall of the threaded sleeve, the limiting block is fixedly arranged on the outer wall of the valve rod, and the limiting block is located in the valve cover.

Preferably, the outer surfaces of the left side and the right side of the valve body are fixedly provided with a connecting pipe and a nut, and the connecting pipe is positioned on the outer surface of one side of the nut.

Advantageous effects

Compared with the prior art, the utility model provides the anti-leakage fire-fighting gas cylinder valve, which has the following beneficial effects:

this prevent leaking fire control gas cylinder valve, when the valve is closed to the time of needs, manual rotation hand wheel through setting up, under the rotation of valve rod, drive valve clack downwardly moving, make valve clack lower extreme's sealing washer one carry out in close contact with the sealing washer draw-in groove, thereby through the sealing washer one that sets up, can reduce the contact between the inside sealing face of valve and the valve clack, through increasing sealing washer one, just can block gas, improve the leakproofness and the durability of valve, the life and the sealing of reinforcing valve, the effectual valve that prevents appears leaking the accident, and the toper joint and the sealing washer second of setting can increase the leakproofness between valve and the connecting pipe, prevent that gas from appearing leaking from connecting pipe and valve junction.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a valve for a leakproof fire-fighting gas cylinder.

Fig. 2 is a schematic structural view of a valve rod in the valve of the anti-leakage fire-fighting gas cylinder.

Fig. 3 is an enlarged view of part of a of fig. 1 in a valve for a leakproof fire cylinder according to the present utility model.

Fig. 4 is a schematic structural view of a valve and a connecting pipe in the valve of the anti-leakage fire-fighting gas cylinder.

In the figure: 1. a valve body; 2. a leak prevention assembly; 3. a valve cover; 4. a valve stem; 5. a hand wheel; 6. a connecting pipe; 7. a nut; 8. a connecting block; 9. a valve flap; 10. a first sealing ring; 11. a sealing ring clamping groove; 12. a threaded sleeve; 13. a conical joint; 14. an elastic pad; 15. a through hole; 16. and a second sealing 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 fig. 1-4, a leakproof fire-fighting gas cylinder valve comprises a valve body 1, a leakproof assembly 2 is arranged in an inner cavity of the valve body 1, a valve cover 3 is fixedly arranged on the outer surface of the upper end of the valve body 1, a valve rod 4 is fixedly arranged on the outer surface of the upper end of the leakproof assembly 2, the valve rod 4 penetrates through the valve cover 3, a hand wheel 5 is fixedly arranged on the outer surface of one end of the upper end of the valve rod 4, and the valve rod 4 can be conveniently rotated by the aid of the arranged hand wheel 5.

Further, the anti-leakage assembly 2 comprises a connecting block 8, a valve clack 9, a first sealing ring 10, a sealing ring clamping groove 11, a threaded sleeve 12, a conical joint 13, an elastic gasket 14, a through hole 15 and a second sealing ring 16, wherein the connecting block 8 is fixedly arranged on the outer surface of one end of the lower end of the valve rod 4, the valve clack 9 is fixedly arranged on the outer surface of the lower end of the connecting block 8, the first sealing ring 10 is fixedly arranged on the outer wall of the lower end of the valve clack 9, the contact between the inner sealing surface of the valve and the valve clack can be reduced through the first sealing ring 10, and gas is blocked through the first sealing ring 10.

Further, the inner cavity of the valve body 1 is provided with a sealing ring clamping groove 11, and the first sealing ring 10 is connected with the sealing ring clamping groove 11 in a matching way, and the sealing property and the durability of the valve can be improved through the arranged sealing ring clamping groove 11.

Further, the threaded sleeve 12 and the conical connector 13 are fixedly arranged on the outer surface of one side of the nut 7, the elastic gasket 14 is sleeved on the outer wall of the conical connector 13, and the tightness between the conical connector 13 and the valve body 1 can be enhanced through the arranged elastic gasket 14.

Further, through hole 15 has been seted up to one side surface of conical joint 13, and the outer wall cover of screw sleeve 12 is equipped with sealing washer two 16, and the outer wall fixed mounting of valve rod 4 has 17, and stopper 17 is located the inside of valve gap 3, through the stopper 17 that sets up, can prevent when manual rotation hand wheel 5 is excessive, with valve clack 9 and sealing washer one 10 damage of valve rod 4 lower extreme, influences the leakproofness.

Furthermore, the connecting pipe 6 and the nut 7 are fixedly arranged on the outer surfaces of the left side and the right side of the valve body 1, and the connecting pipe 6 is positioned on the outer surface of one side of the nut 7, so that the connecting pipe 6 can be conveniently installed on the valve body 1 or detached by the arranged nut 7.

Principle of operation

Firstly, when the valve needs to be closed, through the anti-leakage assembly, the hand wheel 5 and the valve rod 4 are manually rotated, the valve clack 9 is driven to move downwards under the rotation of the valve rod 4, so that the first sealing ring 10 at the lower end of the valve clack 9 is in close contact with the sealing ring clamping groove 11, the contact between the sealing surface inside the valve and the valve clack 9 can be reduced through the first sealing ring 10, the gas can be blocked through the first sealing ring 10, the tightness and durability of the valve are improved, the service life and the sealing of the valve are enhanced, the leakage accident of the valve is effectively prevented, the tapered joint 13 and the second sealing ring 16 are arranged, the tightness between the valve and the connecting pipe 6 can be increased, and the gas is prevented from leaking from the connecting part of the connecting pipe 6 and the valve.

It should be noted that in this document, relational terms such as first and second (first and second), and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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 (6)

1. The utility model provides a leak protection fire control gas cylinder valve, includes valve body (1), its characterized in that: the inner cavity of the valve body (1) is provided with a leakage-proof assembly (2), the outer surface of the upper end of the valve body (1) is fixedly provided with a valve cover (3), the outer surface of the upper end of the leakage-proof assembly (2) is fixedly provided with a valve rod (4), the valve rod (4) penetrates through the valve cover (3), and the outer surface of one end of the upper end of the valve rod (4) is fixedly provided with a hand wheel (5).

2. The leakproof fire cylinder valve of claim 1, wherein: the anti-leakage assembly (2) comprises a connecting block (8), a valve clack (9), a first sealing ring (10), a sealing ring clamping groove (11), a threaded sleeve (12), a conical joint (13), an elastic gasket (14), a through hole (15) and a second sealing ring (16), wherein the connecting block (8) is fixedly arranged on the outer surface of one end of the lower end of the valve rod (4), the valve clack (9) is fixedly arranged on the outer surface of the lower end of the connecting block (8), and the first sealing ring (10) is fixedly arranged on the outer wall of the lower end of the valve clack (9).

3. The leakproof fire cylinder valve of claim 2, wherein: the inner cavity of the valve body (1) is provided with a sealing ring clamping groove (11), and the first sealing ring (10) is in adaptive connection with the sealing ring clamping groove (11).

4. The leakproof fire cylinder valve of claim 2, wherein: the outer surface of one side of the nut (7) is fixedly provided with a threaded sleeve (12) and a conical joint (13), and the outer wall of the conical joint (13) is sleeved with an elastic gasket (14).

5. The leakproof fire cylinder valve of claim 2, wherein: the outer surface of one side of the conical joint (13) is provided with a through hole (15), the outer wall of the threaded sleeve (12) is sleeved with a second sealing ring (16), the outer wall of the valve rod (4) is fixedly provided with a limiting block (17), and the limiting block (17) is positioned in the valve cover (3).

6. The leakproof fire cylinder valve of claim 1, wherein: the outer surfaces of the left side and the right side of the valve body (1) are fixedly provided with a connecting pipe (6) and a nut (7), and the connecting pipe (6) is positioned on the outer surface of one side of the nut (7).