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Process for making gas safety-valve of magnetic-repulsion-closing valve, spring-relaxation-opening valve of motor

A technology of gas safety valve and manufacturing process, which is applied in the direction of valve operation/release device, valve lift, valve details, etc., which can solve the problems of life and property safety threats, large swing of end cover, and short valve opening stroke, etc., to achieve Eliminate potential safety hazards, reduce pressure loss, and increase displacement height

Inactive Publication Date: 2007-03-28
SHANGHAI JIENENG ENVIRONMENT PROTECTION HIGH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the commonly used gas valve, because the gas channel and the motor box are not separated, so the electric spark generated when the motor is working, once it comes into contact with flammable and explosive gas, it is very easy to cause combustion and explosion accidents, which is harmful to the safety of people's lives and property. pose a serious threat
At the same time, limited by the structure of this type of valve, the valve opening stroke is relatively short, resulting in a relatively large pressure loss, and due to the relatively large swing of the end cover of this type of valve, it leads to a high failure rate

Method used

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  • Process for making gas safety-valve of magnetic-repulsion-closing valve, spring-relaxation-opening valve of motor

Examples

Experimental program
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Effect test

Embodiment Construction

[0008] A manufacturing process of a gas safety valve with a motor magnetically pushing to close the valve and a spring to expand and open the valve. Steel threaded transmission shaft; b. The corresponding position of the motor box and the main magnet steel provides a main magnet displacement guide rail matching the groove on the main magnet steel, and the motor box cavity under the main magnet steel is the main magnet displacement cavity c. Provide a system connector to connect and fix the motor box with the valve body; d. Provide auxiliary magnetic steel displacement guide rails and elastic support plates through the connecting bolts under the system connector; e. Provide auxiliary magnetic steel outside The bottom end of the spring is covered with a "U" type adapter of the valve end cover; among them, the opposite faces of the main and auxiliary magnets are of the same polarity. The structure of the valve will be further described below through the accompanying drawings. Re...

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Abstract

This invention discloses a manufacturing method for gas safety valves shut up by magnetic repulsion and opened by spring expansion including the following steps: a, providing a micro-DC motor in a motor box to be connected with a thread drive shaft covered by a main alnico by a gear box, b, providing a main alnico shift guide-way matched to the groove on it at the position corresponding to the motor box and the main alnico, c, providing a system connector to connect and fix the motor box, d, providing a sub-alnico shift guide-way and a spring supporting board by a connecting bolt under the system connector, e, providing a U matcher with the sub-alnico and the spring and covered with a valve end cover at the bottom, in which, the opposite faces of the primary and sub-alnicos are homopolar.

Description

Technical field: [0001] The invention belongs to the technical field of valve manufacturing, and in particular relates to a manufacturing process of a safety valve used in pipelines of inflammable and explosive gases, measuring instruments and the like. Background technique: [0002] At present, the commonly used gas valve, because the gas channel and the motor box are not separated, so the electric spark generated when the motor is working, once it comes into contact with flammable and explosive gas, it is very easy to cause combustion and explosion accidents, which is harmful to the safety of people's lives and property. pose a serious threat. At the same time, limited by the structure of this type of valve, the valve opening stroke is relatively short, resulting in relatively large pressure loss, and because the end cover of this type of valve swings relatively large, resulting in a high failure rate. Invention content: [0003] The object of the present invention is t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/00F16K31/02
Inventor 王寅
Owner SHANGHAI JIENENG ENVIRONMENT PROTECTION HIGH TECH