CN219035624U

CN219035624U - Special fireproof safety gas ball valve for pipeline

Info

Publication number: CN219035624U
Application number: CN202223462875.2U
Authority: CN
Inventors: 叶德钦; 谢宝红
Original assignee: Jiangsu Chuangyi Valve Manufacturing Co ltd
Current assignee: Jiangsu Chuangyi Valve Manufacturing Co ltd
Priority date: 2022-12-24
Filing date: 2022-12-24
Publication date: 2023-05-16
Anticipated expiration: 2032-12-24

Abstract

The utility model relates to the technical field of valves, and provides a special fireproof safety type gas ball valve for pipelines, which comprises a channel, wherein a self-locking mechanism is arranged in the channel, and the self-locking mechanism comprises a turning hand; one side of the turning hand is provided with a fixing mechanism, and the fixing mechanism comprises a telescopic cylinder. Through the mutual coordination of the structures in the self-locking mechanism, the baffle plate rotates in the gas ball valve through rotating the rotating hand, so that when the regulating handle in the prior art can not drive the cock body to rotate, the emergency sealing of the gas ball valve can be realized, the safety of the gas ball valve is further improved, and the aim of fire prevention is achieved; through setting up fixed establishment cooperation self-locking mechanism, can fix the baffle and lock to turning the hand when closing gas ball valve passageway, avoid appearing turning the hand pivoted phenomenon when using, operate once more can when opening gas ball valve passageway, the locking function when having realized this gas ball valve and used to overall stability has been improved.

Description

Special fireproof safety gas ball valve for pipeline

Technical Field

The utility model relates to the technical field of valves, in particular to a special fireproof safety gas ball valve for pipelines.

Background

The gas ball valve is a valve which uses a ball body with a circular channel as an opening and closing piece, and the ball body rotates along with a valve rod to realize opening and closing actions. Is suitable for frequent operation, and has rapid and light opening and closing. The fluid resistance is small. Simple structure, relatively small volume, light weight and convenient maintenance. The sealing performance is good and is not limited by the installation direction, and the flow direction of the medium can be random. The vibration is avoided, and the noise is low. The gas ball valve can be divided into: a floating ball valve, a fixed ball valve, an elastic ball valve and an oil seal ball valve; the three-way type can be divided into T-shaped and L-shaped according to the channel. The connecting method can be divided into three types of threaded connection, flange connection and welding. With the continuous development of society, gas is an important part in people's daily life culinary art, and the phenomenon that gas leaks can appear if it is leak-proof in place when using, then endangers people's life safety, then needs to use the gas ball valve.

The Chinese patent discloses a gas ball valve, the publication number is CN 201561148U, the problem to be solved is that in the prior art, the joint of a valve rod and a valve body at a skirt edge is not provided with a sealing ring, and the sealing ring is in plane sealing, so that the sealing area is large, the sealing specific pressure is small, and the sealing effect is poor; the valve seat is worn and then is easy to lead to falling down of a ball rest, the valve is caused to be leaked, and the like, and the application well solves the problem, but the gas ball valve has the defects that although the gas ball valve can effectively improve the control stability, under special conditions, if the cock body cannot rotate, the ball valve cannot be closed, potential safety hazards exist, and fire is easy to cause when leakage is serious.

Therefore, a special fireproof safety type gas ball valve for pipelines is needed.

Disclosure of Invention

The utility model provides a special fireproof safety type gas ball valve for a pipeline, which solves the problem that the ball valve cannot be closed under special conditions in the prior art if a cock body cannot be rotated.

The technical scheme of the utility model is as follows: the special fireproof safety type gas ball valve for the pipeline comprises a channel, wherein a self-locking mechanism is arranged in the channel, the self-locking mechanism comprises a turning hand, a connecting column is fixedly connected to the inner wall of the turning hand, a gas ball valve is arranged at the bottom of the connecting column, one end of the connecting column penetrates through the inner wall of the gas ball valve and extends to the inside of the gas ball valve, a baffle is fixedly connected to the bottom end of the connecting column, the surface of the baffle is tightly attached to the inner wall of the gas ball valve, an air inlet pipe is fixedly connected to one side of the gas ball valve, and an air outlet pipe is fixedly connected to the other end of the gas ball valve;

one side of the turning hand is provided with a fixing mechanism, and the fixing mechanism comprises a telescopic cylinder.

Preferably, the surface of flexible section of thick bamboo and the inner wall fixed connection of passageway, the inside of flexible section of thick bamboo is equipped with the telescopic link, the fixed surface of telescopic link is connected with the slider, the spout has been seted up to the inner wall of flexible section of thick bamboo, slider and spout sliding connection, the slider plays the effect of spacing to the telescopic link.

Preferably, the inner wall fixedly connected with reset spring of flexible section of thick bamboo, reset spring's one end and telescopic link's one end fixed connection, reset spring play the effect to the telescopic link resets.

Preferably, the fixed surface of telescopic link is connected with the card post, the card hole has been seted up on the surface of turning hand, the diameter of card post is less than the diameter of card hole, and card post and card hole joint, card post and card hole joint play the effect of fixing the baffle.

Preferably, the surface of the telescopic rod is fixedly connected with a pull block, so that the telescopic rod can be pulled in an auxiliary manner.

Preferably, the number of the clamping holes is two, and the axial direction of the clamping holes is vertical, so that the function of opening and closing the gas channel in the gas ball valve is achieved.

Preferably, the connecting column is rotationally connected with the inner wall of the gas ball valve through a bearing, so that the connecting column is firmly rotated.

Preferably, the telescopic rod is L-shaped.

The working principle and the beneficial effects of the utility model are as follows:

1. according to the utility model, through the mutual coordination of the structures in the self-locking mechanism, the baffle plate rotates in the gas ball valve by rotating the rotating hand, so that when the regulating handle in the prior art can not drive the cock body to rotate, the emergency sealing of the gas ball valve can be realized, the safety of the gas ball valve is further improved, and the aim of fire prevention is achieved.

2. According to the utility model, the fixing mechanism is matched with the self-locking mechanism, so that the baffle plate can be fixed and locked by the turning hand when the gas ball valve channel is closed, the phenomenon of turning the turning hand when the gas ball valve is used is avoided, and the gas ball valve can be operated again when the gas ball valve channel is opened, thereby realizing the locking function when the gas ball valve is used, and further improving the overall stability.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic perspective view of the present utility model;

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

FIG. 3 is a schematic diagram of the structure of the gas ball valve of the utility model;

FIG. 4 is a schematic diagram of a cross-sectional structure of a gas ball valve of the utility model;

FIG. 5 is a schematic view of the inner structure of the telescopic cylinder of the utility model;

FIG. 6 is a schematic view of a cartridge according to the present utility model.

In the figure: 1 channel; 3, a self-locking mechanism; 301 turning the hand; 302 a connecting column; 303 baffles; 304 gas ball valve; 305 air inlet pipe; 306 an air outlet pipe; 4, a fixing mechanism; 401 a telescopic cylinder; 402 telescoping rod; 403 sliding grooves; 404 a slider; 405 a return spring; 406 clamping the column; 407.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill 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 to 6, the embodiment provides a special fireproof safety type gas ball valve for a pipeline, which comprises a channel 1, wherein a self-locking mechanism 3 is arranged in the channel 1, a baffle plate is rotated in the gas ball valve through mutual coordination of structures in the self-locking mechanism by rotating a rotating hand, so that when a cock body cannot be driven to rotate by an adjusting handle in the prior art, emergency sealing of the gas ball valve can be realized, and further safety of the gas ball valve is improved, thereby achieving the purpose of fire prevention, the self-locking mechanism 3 comprises the rotating hand 301, the inner wall of the rotating hand 301 is fixedly connected with a connecting column 302, the connecting column 302 is rotationally connected with the inner wall of the gas ball valve 304 through a bearing, the rotation effect of the connecting column 302 is achieved, the bottom of the connecting column 302 is provided with the gas ball valve 304, one end of the connecting column 302 penetrates through the inner wall of the gas ball valve 304 and extends into the gas ball valve 304, the bottom end of the connecting column 302 is fixedly connected with the baffle plate 303, the surface 303 of the baffle plate is tightly adhered to the inner wall of the gas ball valve 304, one side of the gas ball valve 304 is fixedly connected with a gas inlet pipe 305, and the other end of the gas ball valve 304 is fixedly connected with a gas outlet pipe 306;

one side of the turning hand 301 is provided with a fixing mechanism 4, by arranging the fixing mechanism to be matched with a self-locking mechanism, a baffle plate can be fixed and locked on the turning hand when a gas ball valve channel is closed, the phenomenon of turning hand rotation is avoided when the gas ball valve is used, the gas ball valve channel is opened, the gas ball valve is operated again, the locking function when the gas ball valve is used is realized, thereby improving the overall stability, the fixing mechanism 4 comprises a telescopic cylinder 401, the surface of the telescopic cylinder 401 is fixedly connected with the inner wall of the channel 1, a telescopic rod 402 is arranged in the telescopic cylinder 401, the appearance of the telescopic rod 402 is L-shaped, a sliding block 404 is fixedly connected with the surface of the telescopic rod 402, a sliding groove 403 is arranged in the inner wall of the telescopic cylinder 401, the sliding block 404 is in sliding connection with the sliding groove 403, the slider 404 plays the effect of spacing to telescopic link 402, the inner wall fixedly connected with reset spring 405 of telescopic cylinder 401, reset spring 405's one end and telescopic link 402's one end fixed connection, reset spring 405 plays the effect of resetting telescopic link 402, telescopic link 402's fixed surface is connected with card post 406, card hole 407 has been seted up on the surface of turning hand 301, the quantity of card hole 407 is two, and card hole 407 axial is perpendicular, play the effect of the gas channel in switch or closed gas ball valve 304, the diameter of card post 406 is less than the diameter of card hole 407, and card post 406 and card hole 407 joint, card post 406 and card hole 407 joint play the effect of carrying out fixed baffle 303, telescopic link 402's fixed surface is connected with draws piece 408, play the effect of supplementary tensile telescopic link 402.

In this embodiment, when the gas ball valve 304 is used, the pull block 408 is pulled outwards firstly, so that the telescopic rod 402 slides outwards in the sliding groove 403 through the sliding block 404 in the telescopic cylinder 401, and the return spring 405 is pulled in the process, so that the clamping post 406 on one side of the telescopic rod 402 moves from the clamping hole 407, at this time, the rotating hand 301 can rotate to drive the connecting post 302 to rotate, the connecting post 302 rotates to enable the baffle 303 to synchronously rotate in the gas ball valve 304 until the baffle 303 is in the state of fig. 2, the opening mode of the gas channel can be realized, then the pull block 408 is released, the telescopic rod 402 is pulled by the return spring 405 to return, so that the clamping post 406 is clamped in the corresponding clamping hole 407 to fix the baffle 303, the rotating hand 301 is locked, the phenomenon that the rotating hand 301 rotates is avoided in use is avoided, and under special conditions, the gas channel in the gas ball valve 1 can be closed in time according to the above operation, and the gas leakage safety hazard is prevented, so that the aim of preventing fire is achieved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The special fireproof safety type gas ball valve for the pipeline is characterized by comprising a channel (1), wherein a self-locking mechanism (3) is arranged in the channel (1), the self-locking mechanism (3) comprises a turning hand (301), a connecting column (302) is fixedly connected to the inner wall of the turning hand (301), a gas ball valve (304) is arranged at the bottom of the connecting column (302), one end of the connecting column (302) penetrates through the inner wall of the gas ball valve (304) and extends to the inside of the gas ball valve (304), a baffle (303) is fixedly connected to the bottom end of the connecting column (302), the surface of the baffle (303) is clung to the inner wall of the gas ball valve (304), an air inlet pipe (305) is fixedly connected to one side of the gas ball valve (304), and an air outlet pipe (306) is fixedly connected to the other end of the gas ball valve (304);

one side of the swivel hand (301) is provided with a fixing mechanism (4), and the fixing mechanism (4) comprises a telescopic cylinder (401).

2. The special fireproof safe type gas ball valve for pipelines according to claim 1, wherein the surface of the telescopic cylinder (401) is fixedly connected with the inner wall of the channel (1), a telescopic rod (402) is arranged in the telescopic cylinder (401), a sliding block (404) is fixedly connected with the surface of the telescopic rod (402), a sliding groove (403) is formed in the inner wall of the telescopic cylinder (401), and the sliding block (404) is in sliding connection with the sliding groove (403).

3. The special fireproof safety type gas ball valve for the pipeline according to claim 1, wherein a reset spring (405) is fixedly connected to the inner wall of the telescopic cylinder (401), and one end of the reset spring (405) is fixedly connected with one end of the telescopic rod (402).

4. The special fireproof safe gas ball valve for pipelines according to claim 2, wherein a clamping column (406) is fixedly connected to the surface of the telescopic rod (402), a clamping hole (407) is formed in the surface of the swivel hand (301), the diameter of the clamping column (406) is smaller than that of the clamping hole (407), and the clamping column (406) is clamped with the clamping hole (407).

5. The fire protection safety type gas ball valve special for pipelines according to claim 2, wherein a pull block (408) is fixedly connected to the surface of the telescopic rod (402).

6. The fire-proof safety gas ball valve special for pipeline according to claim 4, wherein the number of the clamping holes (407) is two, and the clamping holes (407) are vertical in the axial direction.

7. The pipeline-specific fireproof safety type gas ball valve according to claim 1, wherein the connecting column (302) is rotatably connected with the inner wall of the gas ball valve (304) through a bearing.

8. The fire protection safety type gas ball valve special for pipelines according to claim 2, wherein the telescopic rod (402) is arranged in an L shape.