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Constant-pressure output regulating device

A technology of regulating device and constant pressure output, applied in the field of mechanical hydraulic control, can solve problems such as low sensitivity and insensitive pressure perception, improve sensitivity, reduce the risk of spool sticking, and improve reliability and accuracy Effect

Active Publication Date: 2019-02-01
BEIJING HANGKE ENGINE CONTROL SYST SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to propose a constant pressure output regulating device to solve the technical problem that the current constant pressure output regulating device is not sensitive to pressure perception and has low sensitivity

Method used

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Embodiment Construction

[0028] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0029] Such as figure 2 As shown, the constant pressure output regulating device of the present invention consists of a screw plug 1, two sealing rings 2 and 5, an upper casing 3, a sealing plug 4, an adjusting screw 6, a support seat 7, a comparison Spring 8, a lock nut 9, a spring seat 10, two rubber films 11 bonded together, a compression screw 12, a supporting steel ball 13, a sealing washer 14, a sealing screw plug 15, a reset Spring 16, a spool 17, a lever 18, a valve sleeve 19, an adjusting gasket 20, a main housing 21, two sealing screw plugs 22, two centering steel balls 23, a pin shaft 24, four A bolt 25; the screw plug 1, the upper casing 3, and the sealing screw plug 4 are respectively sealed by the sealing ring 2 and 5; the upper casing 3, the rubber film 11 and the main casing 21 are fastened together by four bolts 25, The rubber film 11 feel...

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Abstract

The invention belongs to the technical field of mechanical hydraulic control, and particularly relates to a constant-pressure output regulating device. The constant-pressure output regulating device utilizes a film to sense pressure changes, and generates follow-up through a lever and a film, so that displacement of a valve element is regulated, and finally constant pressure is output. The deviceimproves sensitivity of sensing pressure changes, adopts a unique valve element structure to improve flexible features of the valve element and reduce the clamping risk, so that cleanliness requirements on a control medium are reduced; and moreover, output constant pressure can be regulated by a regulating bolt, so that use of different constant-pressure requirements is met.

Description

technical field [0001] The invention belongs to the technical field of mechanical hydraulic control, and in particular relates to a constant pressure output regulating device. Background technique [0002] At present, most of the constant pressure output devices are in the form of a slide valve valve core and sleeve combination. After comparing the pressure of the high pressure oil and the low pressure oil, the output pressure is adjusted to be constant. The spool valve constant pressure output device is not sensitive to pressure perception, has a certain hysteresis, and has high requirements for matching dimensions and cleanliness of the control medium, otherwise it is easy to cause the valve core to get stuck and cause control failure. Contents of the invention [0003] The purpose of the present invention is to propose a constant pressure output regulating device to solve the technical problem that the current constant pressure output regulating device is not sensitive ...

Claims

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Application Information

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IPC IPC(8): F15B13/02F16K17/22F16K1/38F16K1/32F16K31/126
CPCF15B13/022F16K1/32F16K1/38F16K31/1264
Inventor 高玉和毛碧波朱岩庞泽文王天媛
Owner BEIJING HANGKE ENGINE CONTROL SYST SCI & TECH
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