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Unloading solenoid valve

A solenoid valve and valve body technology, applied in the field of solenoid valves, can solve the problems of large volume and heavy weight of high-pressure and high-flow solenoid valves, and achieve the effect of compact valve structure, light weight, and small coil windings

Active Publication Date: 2017-10-24
SHANGHAI INST OF SPACE PROPULSION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of large volume and heavy weight of the above-mentioned conventional high-pressure and large-flow solenoid valves, and provide a solenoid valve with unloading function. The present invention is small in size, light in weight, and small in opening electromagnetic suction, which can meet high pressure and large flow Solenoid Valve Requirements

Method used

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Embodiment Construction

[0031] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0032] The present invention provides an unloading solenoid valve for the existing deficiencies, including a valve body 1, a valve core assembly 2, a valve sleeve 3, a magnetic isolation ring 4, a magnet end piece 5, a cover plate 6, a coil 7, and a casing 8 , Coil frame 9, O-ring 10, spring seat 11, spring 12 and magnet assembly.

[0033] Such as figure 1 As shown, the valve core assembly 2 is set in the valve body 1, and the magnet assembly is fixed on the upper end of the valve body 1. The magnet assembly is composed of a valve sleeve 3, a magnetic isolation ring 4 and a magnet end piece 5. The valve The sleeve 3 is fixed on the upper end of the valve body 1, the magnetic isolation ring 4 is fixed on the upper end of the valve sleeve 3, the magnet en...

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Abstract

The invention discloses an unloading type electromagnetic valve. The unloading type electromagnetic valve comprises a valve body, a valve element assembly and a magnetic body assembly. The valve element assembly is arranged in the valve body. The magnetic body assembly is fixed to the upper end of the valve body. The magnetic body assembly is composed of a valve sleeve, a magnetism insulation ring and a magnetic body end piece, wherein the valve sleeve is fixed to the upper end of the valve body, the magnetism insulation ring is fixed to the upper end of the valve sleeve, and the magnetic body end piece is fixed to the magnetism insulation ring. The valve element assembly and the valve body are sealed through an O-shaped seal ring. The magnetic body assembly is sleeved and connected with a housing. A coil framework is arranged between the housing and the magnetic body assembly and sleeved and connected with a coil.

Description

technical field [0001] The invention relates to the technical field of electromagnetic valves, in particular to an unloading electromagnetic valve. Background technique [0002] In recent years, solenoid valves have been widely used in attitude and orbit control engines. At present, in conventional solenoid valves, the working medium enters from the valve inlet under a certain pressure, and a certain pressure is generated to act on the valve core; when the valve is opened, it must To overcome the force of the working medium and the spring force, the opening pressure of the valve is relatively large, the required electromagnetic suction is relatively large, and the coil winding is relatively large, which eventually leads to a large volume, heavy weight and long response time of the valve. [0003] In some high-pressure and high-flow fields, conventional solenoid valves are often subject to certain volume and weight restrictions. Contents of the invention [0004] The purpo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K31/06
CPCF16K31/0675
Inventor 袁卫成徐营刘彦杰邓光荣
Owner SHANGHAI INST OF SPACE PROPULSION