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Inverse proportion pressure reducing valve

A pressure reducing valve and inverse proportional technology, applied in the field of hydraulic control, can solve the problems of complex structure, insufficient pressure reducing range of the pressure reducing valve, poor linearity, etc., and achieve the effects of simple processing technology, simple installation and simplified structure.

Inactive Publication Date: 2011-05-04
NO 11 INST OF NO 6 ACADEMY OF CHINA AEROSPACE SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The object of the present invention is to propose a structurally optimized inverse proportional pressure reducing valve, which solves t

Method used

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Embodiment Construction

[0025] Such as figure 1 Shown is a structural diagram of the inverse proportional pressure reducing valve of the present invention, including an electromagnet assembly and a control valve assembly. The electromagnet assembly includes a yoke 2, an electromagnetic coil 8 embedded in the yoke 2, and a static iron set in the electromagnetic coil 8. 3 and the pressure plate 10, the spring assembly and the push rod 7 arranged in the static iron 3, the guide sleeve 11 and the armature 9 arranged in the pressure plate 10; the armature 9 can move axially along the guide sleeve 11 under the action of the electromagnetic coil 8 The spring assembly includes an adjustment screw 1 and a spring 4, the adjustment screw 1, spring 4, spring pad 5, ejector rod 7, and armature 9 are arranged in sequence along the axis from left to right; wherein a bearing 6 is arranged between the ejector rod and the static iron, One end 7 of the push rod is fixedly connected with the armature 9, and the armature...

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Abstract

The present invention relates to an inverse proportion pressure reducing valve, comprising an electromagnet assembly and a control valve assembly; the electromagnet assembly comprises a yoke, an electromagnetic coil embedded in the yoke, a static iron and a pressing plate disposed in the electromagnetic coil, a spring assembly and an ejector rod disposed in the static iron, and a magnetic shield and an armature disposed in the pressing plate; the armature is capable of axially moving along a guide sleeve by the electromagnetic coil; the spring assembly comprises an adjusting bolt and a spring; the adjusting bolt, the spring, the ejector rod and the armature are arranged along an axis from left to right in turn; wherein the ejector rod is fixedly connected to the armature which is contacted with the control valve assembly. The inverse proportion pressure reducing valve of the present invention solves the technical problems that the pressure reducing range of the pressure valve in the prior art is not wide enough, the linearity thereof is not good, and the structure is complicated; the inverse proportion pressure reducing valve has the advantages of simple structure and adaptive application.

Description

technical field [0001] The invention relates to an inverse proportional decompression solenoid valve which can continuously and proportionately control the oil pressure in the hydraulic system of the automatic transmission of automobiles or the automatic control system of industrial hydraulic pressure, belonging to the field of hydraulic control. Background technique [0002] The proportional pressure valve is a valve that continuously and proportionally controls the oil pressure remotely according to the input electrical control signal. Compared with ordinary hydraulic valves manually adjusted, electro-hydraulic proportional control valves can improve the control level of hydraulic system parameters; compared with electro-hydraulic servo valves, electro-hydraulic proportional pressure control valves are slightly worse in some hydraulic performance, but it Simple structure, strong anti-pollution ability and low cost, so it is widely used in continuous control, remote control...

Claims

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Application Information

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IPC IPC(8): F15B13/02F16K31/06
Inventor 杨新锋王兴录黄本尧王琦麟聂国清陈力博杨帆
Owner NO 11 INST OF NO 6 ACADEMY OF CHINA AEROSPACE SCI & TECH
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