CN215371023U - Air tightness valve - Google Patents

Air tightness valve Download PDF

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Publication number
CN215371023U
CN215371023U CN202121849514.6U CN202121849514U CN215371023U CN 215371023 U CN215371023 U CN 215371023U CN 202121849514 U CN202121849514 U CN 202121849514U CN 215371023 U CN215371023 U CN 215371023U
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CN
China
Prior art keywords
valve
sealing
valve body
gasket
spring
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Active
Application number
CN202121849514.6U
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Chinese (zh)
Inventor
李文桢
周方华
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Guangzhou Qiyu Fire Fighting Equipment Co ltd
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Guangzhou Qiyu Fire Fighting Equipment Co ltd
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Priority to CN202121849514.6U priority Critical patent/CN215371023U/en
Application granted granted Critical
Publication of CN215371023U publication Critical patent/CN215371023U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an airtight valve, comprising: including valve body, valve gap, live body and safe plug screw, one side fixed mounting of valve body has the valve gap, the inboard fixed mounting that lies in the valve gap in the valve body has the valve, the bottom of valve is still fixed mounting has the main sealing pad, the spring has been placed to one side of valve, the side of valve is located the bottom of spring and still fixedly is provided with first sealing washer, the top of valve body is still rotated and is installed the live body. According to the utility model, the spring is arranged on one side of the valve, the sealing diaphragm is fixedly arranged at the other end of the spring, and the spring can be extruded to the other side when the valve moves, so that the sealing diaphragm can be in contact with the inner wall of the valve body, the air tightness of the interior of the valve body can be improved, the first sealing gasket and the gasket are respectively arranged at the bottom of the sealing diaphragm, the second sealing ring is fixedly arranged at the bottom of the gasket, the sealing effect can be greatly improved, and the valve is simple in structure and convenient to use.

Description

Air tightness valve
Technical Field
The utility model relates to the technical field of valve equipment, in particular to an airtight valve.
Background
A valve is a device used in a fluid system to control the direction, pressure, and flow of a fluid. The valve is a device that can control the flow rate of a medium (liquid, gas, powder) in a pipe or equipment by flowing or stopping the medium. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valve is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, and has the functions of diversion, cut-off, throttling, non-return, flow splitting, overflow pressure relief and the like. Valves used for fluid control range from the simplest shut-off valves to the various valves used in extremely complex autonomous systems, ranging in variety and specification from the very tiny instrument valves up to industrial pipeline valves with nominal diameters of up to 10 m.
When the traditional valve is closed, the internal structure is too simple, the air tightness is poor, and the using effect of the valve cannot achieve a good sealing effect, so that the flow control of fluid can be influenced, and the using effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an air tightness valve to solve the problem that the using effect of the valve cannot achieve a good sealing effect due to poor air tightness caused by an excessively simple internal structure of the traditional valve.
In order to achieve the purpose, the utility model provides the following technical scheme: a gastight valve comprising: the safety valve comprises a valve body, a valve cover, a living body and a safety plug screw, wherein the valve cover is fixedly arranged on one side of the valve body, a valve is fixedly arranged on the inner side of the valve cover in the valve body, a main sealing pad is fixedly arranged at the bottom of the valve, a spring is placed on one side of the valve, a first sealing ring is fixedly arranged at the bottom of the spring on the side face of the valve, the living body is rotatably arranged above the valve body, the living body is movably connected with the valve, and the safety plug screw is fixedly arranged on one side of the valve body.
Preferably, one end, far away from the valve, of the spring is fixedly provided with a sealing diaphragm, and the inner wall of the valve body is located at the bottom of the sealing diaphragm and is further fixedly provided with a first sealing gasket.
Preferably, a gasket is fixedly arranged on one side of the first sealing gasket, and a second sealing ring is fixedly arranged at the bottom of the gasket.
Preferably, a pressure gauge switch nut is installed on the top of the valve body in a threaded mode.
Preferably, a third sealing ring is fixedly sleeved on the periphery of the living body.
Preferably, a second sealing gasket, a pressing ring and a safety diaphragm are sequentially and fixedly arranged at the end part of the safety screw plug in the valve body.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the spring is arranged on one side of the valve, the sealing diaphragm is fixedly arranged at the other end of the spring, and the spring can be extruded to the other side when the valve moves, so that the sealing diaphragm can be contacted with the inner wall of the valve body, the air tightness of the interior of the valve body can be improved, the first sealing gasket and the gasket are respectively arranged at the bottom of the sealing diaphragm, and the second sealing ring is fixedly arranged at the bottom of the gasket, so that the sealing effect can be greatly improved;
2. the valve body is provided with a first sealing ring, a second sealing gasket, a pressure ring and a safety diaphragm, wherein the first sealing gasket, the pressure ring and the safety diaphragm are fixedly arranged at the end part of the safety plug screw in the valve body in sequence.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a partial structural sectional view of the present invention.
In the figure: 1-a valve body; 2-valve cover; 3-a valve; 4-a primary seal gasket; 5-sealing the membrane; 6-a first gasket; 7-a liner; 8-a second sealing ring; 9-a spring; 10-a first sealing ring; 11-pressure gauge switch nut; 12-a living body; 13-a third seal ring; 14-safety screw plug; 15-a second gasket; 16-a pressure ring; 17-safety diaphragm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a gastight valve comprising: valve body 1, valve gap 2, living body 12 and safe plug screw 14, one side fixed mounting of valve body 1 has valve gap 2, the inboard fixed mounting who is located valve gap 2 in the valve body 1 has valve 3, the bottom of valve 3 is fixed mounting still has main sealing pad 4, spring 9 has been placed to one side of valve 3, the side of valve 3 is located the bottom of spring 9 and still fixedly is provided with first sealing washer 10, living body 12 is still installed in the top of valve body 1 rotation, carry out swing joint between living body 12 and the valve 3, one side of valve body 1 is fixed mounting still has safe plug screw 14.
Referring to fig. 1, a sealing diaphragm 5 is fixedly arranged at one end of the spring 9 far away from the valve 3, a first sealing gasket 6 is also fixedly arranged at the bottom of the sealing diaphragm 5 on the inner wall of the valve body 1, and the spring 9 can be pressed towards the other side when the valve 3 moves, so that the sealing diaphragm 5 can be in contact with the inner wall of the valve body 1, and the air tightness inside the valve body 1 can be improved.
Referring to fig. 1, a gasket 7 is further fixedly arranged on one side of the first sealing gasket 6, and a second sealing ring 8 is fixedly arranged at the bottom of the gasket 7, so that the sealing effect can be greatly improved.
Referring to fig. 1 and 2, a pressure gauge switch nut 11 is threadedly mounted on the top of the valve body 1, so that the valve body is convenient to mount and dismount.
Referring to fig. 1, a third sealing ring 13 is fixedly sleeved on the outer periphery of the living body 12, so that the sealing property between the living body 12 and the valve body 1 can be improved, and the sealing property of the valve body 1 cannot be influenced in the rotating process of the living body 12.
Referring to fig. 2, a second sealing gasket 15, a pressure ring 16 and a safety diaphragm 17 are sequentially and fixedly arranged at the end of the safety plug screw 14 in the valve body 1, so that the sealing performance between the safety plug screw 14 and the valve body 1 can be improved to the greatest extent, and the overall sealing effect of the valve body 1 is improved.
The working principle is as follows: according to the utility model, the spring 9 is arranged on one side of the valve 3, the sealing diaphragm 5 is fixedly arranged at the other end of the spring 9, and the spring 9 can be extruded to the other side when the valve 3 moves, so that the sealing diaphragm 5 can be contacted with the inner wall of the valve body 1, the air tightness inside the valve body 1 can be improved, the first sealing gasket 6 and the gasket 7 are respectively arranged at the bottom of the sealing diaphragm 5, and the second sealing ring 8 is fixedly arranged at the bottom of the gasket 7, so that the sealing effect can be greatly improved; meanwhile, the third sealing ring 13 is sleeved on the periphery of the living body 12, the sealing performance between the living body 12 and the valve body 1 can be improved, the sealing performance of the living body 12 on the valve body 1 cannot be influenced in the rotating process, the end part, located at the safety plug screw 14, of the valve body 1 is sequentially and fixedly provided with the second sealing gasket 15, the pressing ring 16 and the safety diaphragm 17, the sealing performance between the safety plug screw 14 and the valve body 1 can be improved to the maximum degree, the overall sealing effect of the valve body 1 is improved, and the valve body is simple in structure and convenient to use.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An airtight valve, including valve body (1), valve gap (2), living body (12) and safe plug screw (14), its characterized in that: one side fixed mounting of valve body (1) has valve gap (2), the inboard fixed mounting that is located valve gap (2) in valve body (1) has valve (3), the bottom of valve (3) is fixed mounting still has main sealing pad (4), spring (9) have been placed to one side of valve (3), the side of valve (3) is located the bottom of spring (9) and still fixedly is provided with first sealing washer (10), the top of valve body (1) is still rotated and is installed living body (12), carry out swing joint between living body (12) and valve (3), one side of valve body (1) is fixed mounting still has safe plug screw (14).
2. A gastight valve according to claim 1, wherein: the valve is characterized in that one end, far away from the valve (3), of the spring (9) is fixedly provided with a sealing diaphragm (5), and the bottom, located on the sealing diaphragm (5), of the inner wall of the valve body (1) is fixedly provided with a first sealing gasket (6).
3. A gastight valve according to claim 2, wherein: one side of the first sealing gasket (6) is also fixedly provided with a gasket (7), and the bottom of the gasket (7) is fixedly provided with a second sealing ring (8).
4. A gastight valve according to claim 1, wherein: and a pressure gauge switch nut (11) is installed on the top of the valve body (1) in a threaded manner.
5. A gastight valve according to claim 1, wherein: and a third sealing ring (13) is fixedly sleeved on the periphery of the living body (12).
6. A gastight valve according to claim 1, wherein: and a second sealing gasket (15), a pressure ring (16) and a safety diaphragm (17) are sequentially and fixedly arranged at the end part of the safety screw plug (14) in the valve body (1).
CN202121849514.6U 2021-08-09 2021-08-09 Air tightness valve Active CN215371023U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121849514.6U CN215371023U (en) 2021-08-09 2021-08-09 Air tightness valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121849514.6U CN215371023U (en) 2021-08-09 2021-08-09 Air tightness valve

Publications (1)

Publication Number Publication Date
CN215371023U true CN215371023U (en) 2021-12-31

Family

ID=79616870

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121849514.6U Active CN215371023U (en) 2021-08-09 2021-08-09 Air tightness valve

Country Status (1)

Country Link
CN (1) CN215371023U (en)

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