Gas safety valve

Abstract

The utility model provides a gas safety valve, which relates to the technical field of safety valves and comprises a safety valve body, a safety valve seat is arranged at one end of the safety valve body, a valve seat sealing gasket is arranged between the safety valve body and the safety valve seat, and a rotating shaft penetrates through the inner side of the safety valve seat. An O-shaped sealing ring is arranged on the outer wall of the rotating shaft, the O-shaped sealing ring is connected to the inner side of the safety valve seat, a pressing fastener is arranged on the side face of the safety valve seat, and the pressing fastener is connected to the outer side of the rotating shaft in a clamped mode. The safety valve seat is connected with the safety valve body, so that the safety valve body is conveniently sealed, the valve seat sealing gasket is mounted at the joint of the safety valve body and the safety valve seat, the sealing performance is improved, the O-shaped sealing ring is sleeved on the rotating shaft and is hermetically connected to the inner wall of the safety valve seat, and the sealing performance is improved. And the sealing performance is further improved, so that stable use of the safety valve is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of safety valves, in particular to a gas safety valve. Background Art

[0002] As my country's economic construction is getting faster and faster, the requirements for safety are getting higher and higher. Since the 1980s, a large number of urban residents have begun to use gas cylinders, and gas cylinders have become a unique kitchen landscape. Now liquid gas is often used in home life, and valves are control components in fluid delivery systems. Valves used in fluid control systems, from the simplest stop valves to various valves used in extremely complex automatic control systems, have a wide variety of varieties and specifications. Valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metals and radioactive media. As a classification of gas valves, they can also be divided into cast iron valves, cast steel valves, stainless steel valves, chrome-molybdenum steel valves, chrome-molybdenum-vanadium steel valves, duplex steel valves, plastic valves, non-standard custom valve materials, etc.

[0003] The connection between the valve body and the valve seat of the existing gas safety valve lacks an effective sealing structure, which makes it easy for the valve to be insufficiently sealed and leak during use after installation, thus causing dangerous situations. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that the connection between the valve body and the valve seat of the gas safety valve lacks an effective sealing structure, which makes it easy for the gas to leak due to insufficient sealing during use after installation, thus causing dangerous situations. A gas safety valve is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a gas safety valve, comprising a safety valve body, a safety valve seat is arranged at one end of the safety valve body, a valve seat sealing gasket is arranged between the safety valve body and the safety valve seat, a rotating shaft passes through the inner side of the safety valve seat, an O-ring is arranged on the outer wall of the rotating shaft, the O-ring is connected to the inner side of the safety valve seat, a clamping fastener is arranged on the side of the safety valve seat, and the clamping fastener is clamped and connected to the outer side of the rotating shaft.

[0006] Preferably, a valve seat cover plate is provided on the top of the safety valve seat, and a first connecting seat is provided on the bottom of the safety valve body.

[0007] Preferably, a valve core is disposed inside the safety valve body, and a spring member is disposed at one end of the valve core.

[0008] Preferably, a fixing plate is provided at the other end of the valve core, a second connecting seat is provided at one end of the safety valve body, and the fixing plate is connected to a side surface of the second connecting seat.

[0009] Preferably, a connector is provided on the top of the safety valve body.

[0010] Preferably, a connecting notch is provided at one end of the valve seat cover plate, a fixing block is provided at one end of the safety valve seat, the connecting notch is sleeved on the outside of the fixing block, and a fastening bolt is provided at the other end of the valve seat cover plate.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] In the utility model, the safety valve seat is connected to the safety valve body, thereby facilitating the sealing of the safety valve body. The valve seat sealing gasket is installed between the safety valve body and the safety valve seat, thereby facilitating improving the sealing performance. The O-ring is sleeved on the rotating shaft and is sealingly connected to the inner wall of the safety valve seat, thereby further improving the sealing performance, thereby facilitating ensuring the stable use of the safety valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A three-dimensional structural schematic diagram of a gas safety valve is proposed for the utility model;

[0014] Figure 2 The utility model provides a schematic diagram of the internal structure of a gas safety valve;

[0015] Figure 3 A partial structural schematic diagram of a gas safety valve is proposed for the utility model;

[0016] Figure 4 The utility model provides a partial structural schematic diagram of a gas safety valve.

[0017] Legend: 1. Safety valve body; 2. Safety valve seat; 3. Valve seat gasket; 4. O-ring; 5. Valve seat cover; 6. First connecting seat; 7. Rotating shaft; 8. Fastening fastener; 9. Valve core; 10. Spring member; 11. Fixing plate; 12. Connecting head; 13. Connecting notch; 14. Fixing block; 15. Fastening bolt; 16. Second connecting seat. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0019] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0020] Example 1

[0021] like Figure 1-Figure 4 As shown, the utility model provides a technical solution: a gas safety valve, comprising a safety valve body 1, a safety valve seat 2 is arranged at one end of the safety valve body 1, a valve seat sealing gasket 3 is arranged between the safety valve body 1 and the safety valve seat 2, a rotating shaft 7 passes through the inner side of the safety valve seat 2, an O-ring 4 is arranged on the outer wall of the rotating shaft 7, the O-ring 4 is connected to the inner side of the safety valve seat 2, a clamping fastener 8 is arranged on the side of the safety valve seat 2, the clamping fastener 8 is clamped and connected to the outer side of the rotating shaft 7, a connecting notch 13 is opened at one end of the valve seat cover plate 5, a fixing block 14 is arranged at one end of the safety valve seat 2, the connecting notch 13 is sleeved on the outer side of the fixing block 14, and a fastening bolt 15 is arranged at the other end of the valve seat cover plate 5.

[0022] In this embodiment, the safety valve seat 2 is connected to the safety valve body 1, which facilitates the sealing of the safety valve body 1. The valve seat sealing gasket 3 is installed between the safety valve body 1 and the safety valve seat 2, which is beneficial to improve the sealing performance. The rotating shaft 7 is arranged at the connection of the safety valve seat 2, which is convenient for realizing the connection transmission function and convenient for rotating to adjust the valve body flow. The O-ring 4 is sleeved on the rotating shaft 7 and sealed to the inner wall of the safety valve seat 2, which further improves the sealing performance and is beneficial to ensure the stable use of the safety valve. The fastener 8 is used to facilitate the connection circuit for control use. The valve seat cover plate 5 provides a sealing function on the top of the safety valve seat 2. The connecting notch 13 and the fixing block 14 facilitate buckling at one end, and the fastening bolt 15 provides a further fastening function.

[0023] Example 2

[0024] like Figure 1-Figure 4 As shown, a valve seat cover plate 5 is provided on the top of the safety valve seat 2, a first connecting seat 6 is provided on the bottom of the safety valve body 1, a valve core 9 is provided inside the safety valve body 1, a spring member 10 is provided at one end of the valve core 9, a fixing plate 11 is provided at the other end of the valve core 9, a second connecting seat 16 is provided at one end of the safety valve body 1, the fixing plate 11 is connected to the side of the second connecting seat 16, and a connector 12 is provided on the top of the safety valve body 1.

[0025] In this embodiment, the valve seat cover plate 5 provides a sealing installation function, the first connecting seat 6 provides a connecting function, the valve core 9 facilitates the internal opening and closing of the valve, the spring member 10 facilitates the realization of the switch valve function through elastic control of the valve core 9, the connection between the fixing plate 11 and the second connecting seat 16 facilitates the stable installation connection of the valve core 9 and the spring member 10, and the connecting head 12 facilitates the connection function.

[0026] The working principle of this embodiment is as follows: when in use, first, the safety valve seat 2 is connected to the safety valve body 1, which facilitates the sealing of the safety valve body 1. The valve seat gasket 3 is installed between the safety valve body 1 and the safety valve seat 2, which is conducive to improving the sealing performance. The rotating shaft 7 is arranged at the connection of the safety valve seat 2, which is convenient for realizing the function of connecting transmission and facilitating the rotation and adjustment of the valve body flow. The O-ring 4 is sleeved on the rotating shaft 7 and is sealed and connected to the inner wall of the safety valve seat 2, which further improves the sealing performance, which is conducive to ensuring the stable use of the safety valve. The valve seat cover 5 provides a sealing function on the top of the safety valve seat 2. The connecting notch 13 and the fixing block 14 facilitate the buckling at one end. The fastening bolt 15 provides a further fastening function. The first connecting seat 6 provides a connecting function. The valve core 9 facilitates the opening and closing of the valve inside. The spring member 10 facilitates the realization of the switch valve function through the elastic control of the valve core 9. The connection between the fixing plate 11 and the second connecting seat 16 provides a stable installation connection for the valve core 9 and the spring member 10.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A gas safety valve, comprising a safety valve body (1), characterized in that: A safety valve seat (2) is arranged at one end of the safety valve body (1), a valve seat gasket (3) is arranged between the safety valve body (1) and the safety valve seat (2), a rotating shaft (7) passes through the inner side of the safety valve seat (2), an O-ring (4) is arranged on the outer wall of the rotating shaft (7), the O-ring (4) is connected to the inner side of the safety valve seat (2), a clamping fastener (8) is arranged on the side of the safety valve seat (2), and the clamping fastener (8) is clamped and connected to the outer side of the rotating shaft (7).

2. The gas safety valve according to claim 1, characterized in that: A valve seat cover plate (5) is arranged on the top of the safety valve seat (2), and a first connecting seat (6) is arranged on the bottom of the safety valve body (1).

3. The gas safety valve according to claim 1, characterized in that: A valve core (9) is arranged inside the safety valve body (1), and a spring component (10) is arranged at one end of the valve core (9).

4. The gas safety valve according to claim 3, characterized in that: A fixing plate (11) is provided at the other end of the valve core (9), a second connecting seat (16) is provided at one end of the safety valve body (1), and the fixing plate (11) is connected to the side surface of the second connecting seat (16).

5. The gas safety valve according to claim 1, characterized in that: A connecting head (12) is provided on the top of the safety valve body (1).

6. The gas safety valve according to claim 2, characterized in that: A connecting notch (13) is provided at one end of the valve seat cover plate (5), a fixing block (14) is provided at one end of the safety valve seat (2), the connecting notch (13) is sleeved on the outside of the fixing block (14), and a fastening bolt (15) is provided at the other end of the valve seat cover plate (5).

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