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Valve

A valve and valve body technology, applied in the field of mechanical valves, can solve the problems of gas leakage, easy failure of rubber membrane seals, etc., and achieve the effect of reliable sealing

Active Publication Date: 2010-11-10
陶仕利
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a valve, which can solve the problem of gas leakage caused by rubber membrane seal failure in the prior art

Method used

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Embodiment Construction

[0039] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0040] A valve, including a valve body and a valve casing, the valve body has a switch port and a large socket, the large socket of the valve body adopts a fixed non-rubber seal, and the fixed non-rubber seal refers to the large socket with the valve body The threaded nut and the upper part of the nut are sealed and connected to the sleeve, and the nut and the sleeve are made of metal material or non-metallic hard material that does not attract magnetism.

[0041] The nut made of non-magnetic material is threadedly connected to the large sleeve of the valve body (the large sleeve is provided with an internal thread) and the sleeve on the upper part of the nut is used to achieve sealing. The rubber membrane seal usually used is abandoned, and the valve is opened and closed. When closed, the nut is always fixedly connected with the valv...

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PUM

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Abstract

The invention provides a valve, which solves the leakage problem caused by the invalidation of the sealing of a rubber film in the prior art. The technical scheme is as follows. The valve comprises a valve body and a valve shell. The valve body is provided with a switching orifice and a large looping. The large lopping of the valve body adopts fixed non-rubber sealing which is a nut connected with the large looping of the valve body through threads. The upper part of the nut is connected with a sleeve in a sealing manner. The nut and the sleeve are metal material or nonmetal hard material, which do not attract magnet. The invention adopts the metal material or nonmetal hard material sealing, abandons the conventional rubber film sealing and avoids the gas leakage phenomenon caused by the invalidation of the rubber film after long-period use. Because of the fixed connection, damage caused by frequent movement does not exist. The sealing is reliable.

Description

technical field [0001] The invention belongs to the technical field of mechanical valves, and in particular relates to a valve applied to a gas pipeline. Background technique [0002] At present, the sealing method of solenoid valves used in gas pipelines is rubber membrane sealing, which specifically includes valve body, valve housing, rubber membrane and switch drive device. Block and spring, the upper end of the slider is connected to the handle, and the lower end of the slider is connected to the middle part of the rubber membrane. The up and down movement of the slider drives the rubber membrane to seal or leave the valve port to realize the closing or opening of the entire valve. This kind of solenoid valve makes full use of the interaction of instantaneous electromagnetic force, permanent magnetic force and spring force to realize the functions of low-voltage direct current pulse drive valve closing, manual valve opening and switch state self-maintaining functions. ...

Claims

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Application Information

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IPC IPC(8): F16K1/32F16K1/36F16K31/06F16K31/60F16K27/12
Inventor 陶仕利陶铸强
Owner 陶仕利
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