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An anti-leakage safety valve

A technology of anti-leakage and valves, applied in the direction of valve lift, valve details, valve devices, etc., can solve the problems of poor airtightness, valve leakage, etc., and achieve the effect of strong sealing and good sealing effect

Active Publication Date: 2022-05-24
WENZHOU POLYTECHNIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the existing safety valves have poor airtightness, resulting in frequent occurrence of valve air leakage.

Method used

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  • An anti-leakage safety valve
  • An anti-leakage safety valve
  • An anti-leakage safety valve

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Embodiment Construction

[0030] To make the object, technical solution and advantages of the present invention more clearly understood, the following in conjunction with the embodiments and accompanying drawings, the present invention will be further elaborated in detail. Herein, a schematic embodiment of the present invention and a description thereof is used to explain the present invention, but not as a limitation of the present invention.

[0031] combine Figures 1 through 6 as Figure 1 、 Figure 2 、 Figure 3 and Figure 4A kind of leak-proof safety valve shown, the structure consists of a valve body 1, a valve stem 2, a first seal 3, a second sealing sleeve 5 and a second seal 4 is composed, the valve body 1 is provided with an air chamber 11 and a closed chamber 18, the gas chamber 11 is successively provided with a second baffle 12 and a first baffle 13, the second baffle 12 and the first baffle 13 are located in the valve body 14 at the air inlet 14, the right side of the valve body 1 is connected t...

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PUM

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Abstract

The invention discloses an anti-leakage safety valve, which comprises a valve body, a valve stem, a first sealing member, a second sealing sleeve and a second sealing member, an air chamber and a sealed cavity are provided in the valve body, and the The air chamber is provided with a second baffle and a first baffle in sequence. The valve stem includes a stud, a connecting column, a first fixing plate and a second fixing plate. A pair of sealing strips are integrally connected to the first sealing member. The second sealing sleeve includes a side plate, a column head and a base, the side plate and the column head are integrally connected with the base, the second sealing member is fastened on the column head, and the second The seal includes a first sealing lip, a sealing guide sleeve and a second sealing lip integrally connected. Since the first sealing member, the second sealing sleeve and the second sealing member are provided on the valve stem, and an air chamber and a closed cavity are provided in the valve body, good sealing performance is provided for the valve body, so that the present invention It has the advantages of strong sealing and good sealing effect.

Description

Technical field [0001] The present invention relates to a valve, specifically to a leak-proof safety valve. Background [0002] Valves are pipe attachments used to open and close lines, control flow direction, regulate and control parameters of the conveying medium. According to its function, it can be divided into shut-off valve, check valve, control valve and so on. Valves are control components in fluid transfer systems that have functions such as shut-off, regulation, diversion, prevention of countercurrent, pressure regulation, diversion or overflow relief. Valves for fluid control systems, from the simplest shut-off valves to the various valves used in extremely complex automatic control systems, have a wide variety 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. The valves are also divided into cast iron valves, cast steel valves, stainle...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K1/00F16K1/32F16K1/36F16K41/04F16K1/44F16K27/02F16K31/60
CPCF16K1/00F16K1/32F16K1/36F16K41/04F16K1/44F16K27/02F16K31/60
Inventor 胡新
Owner WENZHOU POLYTECHNIC