Process for making double-magnetic-repulsion gas safety valve of motor

A gas safety valve and manufacturing process technology, applied in the valve operation/release device, lift valve, valve details, etc., can solve the problems of people's life and property safety threats, large swing of the end cover, and short valve opening stroke, etc. Eliminate potential safety hazards, reduce pressure loss, and increase the effect of 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

Method used

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  • Process for making double-magnetic-repulsion gas safety valve of motor

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Comparison scheme
Effect test

Embodiment Construction

[0008] A manufacturing process of a gas safety valve with double magnetic push by a motor mainly includes the following steps:

[0009] a. There is a micro DC motor in the motor box of the valve, and a threaded drive shaft with a main magnet is connected through the gear box and the positioning plate; b. The corresponding position of the motor box and the main magnet is provided with the main magnet. c. Provide a system connector to connect and fix the motor box with the valve body; d. Provide secondary magnetic steel displacement guide rails through the connecting bolts under the system connector, and the bottom of the secondary magnetic steel displacement guide rails Equipped with anti-thrust magnets; e. A "U"-shaped adapter with auxiliary magnets is provided outside, and the bottom end of the "U"-shaped adapter is covered with a valve end cover; the main and auxiliary magnets are opposite to each other. The faces of the secondary magnets are of the same polarity, and the op...

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Abstract

This invention discloses a manufacturing technology for gas safety valves of a magnetic dual-thrust motor including the following steps: a, providing a primary alnico shift guide-way matched to the groove on the primary at the place opposite to motor box and the primary alnico, b, providing a system connector to connect and fix the motor box and a valve, c, providing a sub-alnico shift guide-way by a connecting bolt under the system connector and an inverted repulsion alnico is set at its bottom, d, a U-shape matcher with the sub-alnico is provided out of it, in which, the opposite faces of the primary and the sub-alnicos are homopolar and the opposite faces of the sub-alnico and the inverted-repulsion alnico are also homopolar. Since the motor and gas are isolated completely, it stops the contact of electric sparks with gas when the motor is working to avoid burning or explosion caused possibly.

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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IPC IPC(8): F16K1/00F16K31/02
Inventor 王寅
Owner SHANGHAI JIENENG ENVIRONMENT PROTECTION HIGH TECH
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