Gas valve sealing structure

Abstract

The utility model discloses a gas valve sealing structure, which relates to the technical field of gas valves, and adopts the technical scheme that the gas valve sealing structure comprises a valve body, valve pipelines are fixedly arranged on two sides of the valve body, gas pipeline bodies are arranged in the valve pipelines, and sealing components are arranged in the valve pipelines; the sealing assembly comprises an inner blocking disc, the inner blocking disc is fixedly arranged in the valve pipeline, a first annular groove is formed in one side of the inner blocking disc, a sealing gasket is arranged on one side of the first annular groove, a second annular groove is formed in one side of the gas pipeline body and makes contact with the sealing gasket, and a plurality of clamping grooves are formed in the outer portion of the gas pipeline body. The valve pipeline is sleeved with a threaded disc through threads, one side of the threaded disc is rotationally connected with a first lantern ring, a plurality of fixing blocks are fixedly arranged on one side of the first lantern ring, a second lantern ring is fixedly arranged on one side of each fixing block, and a clamping block is arranged on one side of each fixing block. The valve has the beneficial effects that the sealing performance is higher, installation is convenient, time and labor are saved, and the using effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of gas valves, and particularly relates to a gas valve sealing structure. Background Technique

[0002] A gas valve is a new type of safety supporting device for gas pipeline projects. It is used to cut off, connect, and regulate the gas in the pipeline, has good control characteristics and closing and sealing performance, and is applicable to various gas medium pipelines such as city gas, liquefied petroleum gas, natural gas, and oxygen.

[0003] In the existing ordinary gas pipeline, it is necessary to install a valve at a certain position. The existing gas valve is connected to the pipeline through a flange and bolt nuts, which is troublesome to install, time-consuming and laborious. After a long time of use, the sealing performance will decline and the use effect will be poor. Content of the Utility Model

[0004] Therefore, the utility model provides a gas valve sealing structure to solve the problems of troublesome installation, time-consuming and laborious, and the sealing performance will decline and the use effect will be poor after a long time of use.

[0005] In order to achieve the above purpose, the utility model provides the following technical solution: A gas valve sealing structure, including a valve body, valve pipes are fixedly arranged on both sides of the valve body, a gas pipeline body is arranged inside the valve pipes, and a sealing component is arranged inside the valve pipes;

[0006] The sealing component includes an inner retaining disc, the inner retaining disc is fixedly arranged inside the valve pipe, a first annular groove is opened on one side of the inner retaining disc, a sealing gasket is arranged on one side of the first annular groove, a second annular groove is opened on one side of the gas pipeline body, the second annular groove is in contact with the sealing gasket, a plurality of card slots are opened on the outer side of the gas pipeline body, a threaded disc is sleeved outside the valve pipe through a thread, a first collar is rotatably connected to one side of the threaded disc, a plurality of fixing blocks are fixedly arranged on one side of the first collar, a second collar is fixedly arranged on one side of the fixing blocks, a clamping block is arranged on one side of the fixing blocks, the clamping block penetrates through the fixing blocks, and the clamping block extends into the card slots and is buckled with the card slots.

[0007] Preferably, a screw rod is connected to one side of the fixing block through a bearing, a knob is fixedly connected to one end of the screw rod, the screw rod penetrates through the clamping block and is threadedly connected with the clamping block.

[0008] Preferably, an integral circular groove is opened on the outer side of the gas pipeline body, a sealing ring is sleeved outside the integral circular groove, and the sealing ring is in contact with the inner wall of the valve pipe.

[0009] Preferably, a plurality of through grooves are opened on the outer side wall of the valve pipe, and the clamping block penetrates through the through grooves.

[0010] Preferably, a plurality of rotating handles are fixedly connected to the outside of the threaded disc.

[0011] Preferably, a positioning groove is provided on one side of the valve pipeline, and a positioning block is fixedly provided on one side of the gas pipeline body. The positioning block is buckled with the positioning groove.

[0012] Preferably, a first gasket and a second gasket are bonded to one side of the inner retaining disc. The first gasket and the second gasket are in contact with the gas pipeline body.

[0013] Preferably, the second collar slides on the outside of the valve pipeline.

[0014] Preferably, the clamping block is slidably connected to the fixed block.

[0015] The embodiment of the present utility model has the following advantages:

[0016] By inserting the gas pipeline body into the valve pipeline, the second annular groove on one side of the gas pipeline body is in contact with the sealing gasket, the gas pipeline body is in contact with the first gasket and the second gasket, and the sealing sleeve is in contact with the inner wall of the valve pipeline. By controlling the movement of the clamping block, the clamping block pushes the gas pipeline body to move, so that the first gasket, the sealing gasket and the second gasket between the gas pipeline body and the inner retaining disc are in close contact, with stronger sealing performance, convenient installation, time-saving and labor-saving, and good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for those of ordinary skill in the art, without creative efforts, other implementation drawings can also be obtained according to the provided drawings.

[0018] The structures, ratios, sizes, etc. shown in this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the limiting conditions that the present utility model can be implemented. Therefore, they do not have a substantial technical meaning. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in the present utility model.

[0019] Figure 1 It is the overall structure schematic diagram provided by the present utility model;

[0020] Figure 2 It is the partial cross-sectional view of the overall structure provided by the present utility model;

[0021] Figure 3 3D view of the gas pipeline body provided by the present utility model;

[0022] Figure 4 3D view of the sealing assembly provided by the present utility model;

[0023] Figure 5 Provided by the present utility model Figure 2 Enlarged view of the structure at part A in

[0024] In the figure: 1, valve body; 2, valve pipeline; 3, gas pipeline body; 4, threaded disc; 5, rotating handle; 6, first collar; 7, fixing block; 8, second collar; 9, card slot; 10, integral groove; 11, sealing ring; 12, first gasket; 13, sealing washer; 14, second gasket; 15, inner retaining disc; 16, first annular groove; 17, second annular groove; 18, positioning groove; 19, positioning block; 20, through groove; 21, knob; 22, screw; 23, clamping block. Detailed implementation manners

[0025] The following specific embodiments illustrate the implementation manners of the present utility model. Those skilled in the art can easily understand the other advantages and effects of the present utility model from the content disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] Refer to the appended Figure 1 - appended Figure 5 As shown in the appended drawings, a gas valve sealing structure provided by the present utility model includes a valve body 1, valve pipelines 2 are fixedly provided on both sides of the valve body 1, a gas pipeline body 3 is arranged inside the valve pipelines 2, and a sealing assembly is arranged inside the valve pipelines 2;

[0027] The sealing assembly includes an inner retaining disc 15 which is fixedly arranged inside the valve pipeline 2. A first annular groove 16 is formed on one side of the inner retaining disc 15. A sealing washer 13 is arranged on one side of the first annular groove 16. A second annular groove 17 is formed on one side of the gas pipeline body 3. The second annular groove 17 is in contact with the sealing washer 13. A plurality of clamping grooves 9 are formed on the outside of the gas pipeline body 3. A threaded disc 4 is sleeved on the outside of the valve pipeline 2 through a thread. A first collar 6 is rotatably connected to one side of the threaded disc 4. A plurality of fixing blocks 7 are fixedly arranged on one side of the first collar 6. A second collar 8 is fixedly arranged on one side of the fixing blocks 7. A clamping block 23 is arranged on one side of the fixing blocks 7. The clamping block 23 penetrates through the fixing blocks 7 and extends into the clamping grooves 9 and is buckled with the clamping grooves 9. A screw rod 22 is connected to one side of the fixing blocks 7 through a bearing. One end of the screw rod 22 is fixedly connected with a knob 21. The screw rod 22 penetrates through the clamping block 23 and is in threaded connection with the clamping block 23. A plurality of through grooves 20 are formed on the outer side wall of the valve pipeline 2. The clamping block 23 penetrates through the through grooves 20. A plurality of rotating handles 5 are fixedly connected to the outside of the threaded disc 4. The second collar 8 slides on the outside of the valve pipeline 2. The clamping block 23 is slidably connected with the fixing blocks 7;

[0028] In this implementation scheme, the gas pipeline body 3 is inserted into the valve pipeline 2. The second annular groove 17 on one side of the gas pipeline body 3 is in contact with the sealing washer 13. The gas pipeline body 3 is in contact with the first gasket 12 and the second gasket 14. Then, the knob 21 is rotated. The knob 21 drives the screw rod 22 to rotate. The screw rod 22 drives the clamping block 23 to move. The clamping block 23 passes through the through groove 20 and enters the clamping groove 9, thereby limiting the gas pipeline body 3. Then, the rotating handle 5 is rotated. The rotating handle 5 drives the threaded disc 4 to rotate and move. The threaded disc 4 drives the first collar 6 to move. The first collar 6 drives the fixing blocks 7 to move. The fixing blocks 7 drive the clamping block 23 to move. The clamping block 23 pushes the gas pipeline body 3 to move, so that the first gasket 12, the sealing washer 13 and the second gasket 14 between the gas pipeline body 3 and the inner retaining disc 15 are in close contact, and the sealing performance is stronger;

[0029] Among them, in order to achieve the purpose of sealing, the following technical scheme is adopted by this device: an integral groove 10 is formed on the outside of the gas pipeline body 3. A sealing ring 11 is sleeved on the outside of the integral groove 10. The sealing ring 11 is in contact with the inner wall of the valve pipeline 2. The sealing ring 11 is in contact with the inner wall of the valve pipeline 2, improving the sealing performance at the connection between the valve pipeline 2 and the gas pipeline body 3;

[0030] Among them, for the purpose of achieving positioning, the present device is implemented by the following technical solution: a positioning groove 18 is provided on one side of the valve pipeline 2, a positioning block 19 is fixedly provided on one side of the gas pipeline body 3, the positioning block 19 is buckled with the positioning groove 18, and the positioning block 19 on one side of the gas pipeline body 3 slides into the interior of the positioning groove 18, so as to position the insertion angle of the gas pipeline body 3, avoid the rotation of the gas pipeline body 3, and facilitate the insertion of the clamping block 23 into the clamping groove 9.

[0031] Among them, for the purpose of achieving sealing, the present device is implemented by the following technical solution: a first gasket 12 and a second gasket 14 are adhesively bonded to one side of the inner retaining disc 15, the first gasket 12 and the second gasket 14 are in contact with the gas pipeline body 3, and the first gasket 12 and the second gasket 14 between the gas pipeline body 3 and the inner retaining disc 15 are in close contact, with strong sealing performance.

[0032] The use process of the present utility model is as follows: when using the present utility model, the gas pipeline body 3 is inserted into the valve pipeline 2. The positioning block 19 on one side of the gas pipeline body 3 slides into the interior of the positioning groove 18, so as to position the insertion angle of the gas pipeline body 3, avoid the rotation of the gas pipeline body 3. The second annular groove 17 on one side of the gas pipeline body 3 is in contact with the sealing gasket 13, the gas pipeline body 3 is in contact with the first gasket 12 and the second gasket 14, and the sealing sleeve ring 11 is in contact with the inner wall of the valve pipeline 2. Then, the knob 21 is rotated, the knob 21 drives the screw rod 22 to rotate, the screw rod 22 drives the clamping block 23 to move, the clamping block 23 passes through the through groove 20 and enters the clamping groove 9, so as to limit the gas pipeline body 3. Then, the rotating handle 5 is rotated, the rotating handle 5 drives the threaded disc 4 to rotate and move, the threaded disc 4 drives the first collar 6 to move, the first collar 6 drives the fixed block 7 to move, the fixed block 7 drives the clamping block 23 to move, and the clamping block 23 pushes the gas pipeline body 3 to move, so that the first gasket 12, the sealing gasket 13 and the second gasket 14 between the gas pipeline body 3 and the inner retaining disc 15 are in close contact, with stronger sealing performance.

[0033] The above is only a preferred embodiment of the present utility model. Any person skilled in the art may modify the present utility model by using the technical solutions described above or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement made according to the technical solutions of the present utility model falls within the scope of protection required by the present utility model.

Claims

1. A gas valve sealing structure, comprising a valve body (1), characterized in that: Both sides of the valve body (1) are fixedly provided with valve pipes (2). Inside the valve pipes (2), there is a gas pipeline body (3), and a sealing assembly is arranged inside the valve pipes (2). The sealing assembly includes an inner retaining disc (15). The inner retaining disc (15) is fixedly arranged inside the valve pipe (2). A first annular groove (16) is formed on one side of the inner retaining disc (15). A sealing gasket (13) is arranged on one side of the first annular groove (16). A second annular groove (17) is formed on one side of the gas pipeline body (3). The second annular groove (17) is in contact with the sealing gasket (13). A plurality of clamping grooves (9) are formed on the outer side of the gas pipeline body (3). The outer side of the valve pipe (2) is provided with a threaded disc (4) through a thread. One side of the threaded disc (4) is rotatably connected with a first collar (6). A plurality of fixing blocks (7) are fixedly arranged on one side of the first collar (6). A second collar (8) is fixedly arranged on one side of the fixing block (7). A clamping block (23) is arranged on one side of the fixing block (7). The clamping block (23) penetrates through the fixing block (7), and the clamping block (23) extends into the clamping groove (9) and is buckled with the clamping groove (9).

2. The gas valve sealing structure according to claim 1, characterized in that: One side of the fixing block (7) is connected with a screw rod (22) through a bearing. One end of the screw rod (22) is fixedly connected with a knob (21). The screw rod (22) penetrates through the clamping block (23) and is in threaded connection with the clamping block (23).

3. A gas valve sealing structure according to claim 1, characterized in that: A whole - circle groove (10) is formed on the outer side of the gas pipeline body (3). A sealing ring (11) is sleeved outside the whole - circle groove (10). The sealing ring (11) is in contact with the inner wall of the valve pipe (2).

4. A gas valve sealing structure according to claim 1, characterized in that: A plurality of through - grooves (20) are formed on the outer side wall of the valve pipe (2). The clamping block (23) penetrates through the through - grooves (20).

5. The gas valve sealing structure according to claim 1, characterized in that: A plurality of rotating handles (5) are fixedly connected to the outside of the threaded disc (4).

6. The gas valve sealing structure according to claim 1, characterized in that: A positioning groove (18) is formed on one side of the valve pipe (2). A positioning block (19) is fixedly arranged on one side of the gas pipeline body (3). The positioning block (19) is buckled with the positioning groove (18).

7. A gas valve sealing structure according to claim 1, characterized in that: A first gasket (12) and a second gasket (14) are bonded to one side of the inner retaining disc (15). The first gasket (12) and the second gasket (14) are in contact with the gas pipeline body (3).

8. A gas valve sealing structure according to claim 1, characterized in that: The second collar (8) slides on the outside of the valve pipe (2).

9. A gas valve sealing structure according to claim 1, characterized in that: The clamping block (23) is slidably connected with the fixing block (7).

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