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Pressure relief type hydraulic control one-way logic valve

A technology of hydraulically controlled one-way and logic valves, which is applied in the direction of fluid pressure actuators, servo motor components, mechanical equipment, etc. It can solve the problems of insufficient oil circuit, difficult opening of the valve core, and large volume, etc., and shorten the design cycle , easy to open, small size effect

Active Publication Date: 2016-08-24
NINGBO ZHENHAI ZHANYUE HYDRAULIC PARTS MFG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the deficiencies in the prior art, the present invention provides a pressure-relieving type hydraulically controlled one-way logic valve, which solves the problem that the design volume of the traditional plate-type hydraulically controlled one-way valve with pressure-relieving function is too large, the oil circuit is not compact enough and the valve core is not easy to operate. Open and other issues

Method used

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  • Pressure relief type hydraulic control one-way logic valve
  • Pressure relief type hydraulic control one-way logic valve
  • Pressure relief type hydraulic control one-way logic valve

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Embodiment Construction

[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0021] see Figure 1 to Figure 6 Shown, a specific embodiment of the present invention. The pressure relief type hydraulically controlled one-way logic valve includes an adjusting cover pad 1 and a main valve sleeve 7, one end of the main valve sleeve 7 is embedded in the adjusting cover pad 1, and the outer surface of the main valve sleeve 7 is provided with a semicircle The slot 70 is provided with a word groove 14 on the inner surface of the adjusting cover pad 1, and the semicircular groove 70 and the word groove 14 form a channel, and a snap ring 71 is arranged in the channel; A control push piston 2 is arranged in the adjusting cover gasket 1, a main valve core spring seat 3 is arranged in the control push piston 2, and a reverse valve is provided through the main valve core spring seat 3 and the main valve sleeve 7 To the ope...

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Abstract

The invention discloses a pressure release type hydraulic control one-way logical valve, and belongs to the field of one-way valves. The pressure release type hydraulic control one-way logical valve comprises an adjusting cap gasket and a main valve bush, wherein a control pushing piston is arranged in the adjusting cap gasket; a main valve element spring seat is arranged in the control pushing piston; a main valve element penetrates in the main valve bush; a line sealing structure is formed on the inner side of the main valve element and the inner side of the main valve bush; a pressure release valve element is arranged in the main valve element; one end of the pressure release valve element is abutted to a one-way valve element; one end of the one-way valve element is in the shape of a mushroom head; and a tower-shaped spring sleeves the one-way valve element. Compared with the prior art, the pressure release type hydraulic control one-way logical valve is compact in structure and small in size; the mounting cost and the designing cost are greatly reduced; the designing period is shortened; the total manufacturing cost is reduced; the cost performance is high; maximum working pressure can reach 31.5MPa; and owing to the pressure release valve element, the pressure release type hydraulic control one-way logical valve runs stably under high pressure, designed pressure drop is low, and the circulation energy is large.

Description

technical field [0001] The invention belongs to the technical field of hydraulic control one-way valves, in particular to a pressure relief type hydraulic control one-way logic valve. Background technique [0002] At present, the hydraulic control check valves sold in the international market mainly include plate valve structure, pipe valve structure and threaded cartridge valve structure, and only plate valve structure with pressure relief function, and the plate valve is more traditional. Although its structure and function have been developed to the point of perfection, the appearance size is too large, the processing of the valve body is complicated after casting, and the stability of the cast valve body is poor compared with the steel part, and the design volume of the oil circuit block is also large, which cannot meet the requirements of hydraulic pressure. The development trend of component products is towards compact structure, complex functions, and light design, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B13/02
CPCF15B13/027
Inventor 邵俊杰
Owner NINGBO ZHENHAI ZHANYUE HYDRAULIC PARTS MFG CO LTD
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