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Superposition type hydraulic control one-way valve

A technology of hydraulically controlled check valves and check valves, which is applied to control valves, valve details, valve devices, etc., can solve the problems of high skill requirements for assembly personnel, large number of parts, and low production efficiency, and achieve reliable structural sealing, Reduced machining accuracy and simple assembly

Pending Publication Date: 2020-09-01
江门市新会区进宾科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, conventional superimposed hydraulic control check valves on the market, the one-way valves at both ends of the same industry are part-type check valves. When assembling the superimposed hydraulic control check valve, it is necessary to replace the parts belonging to the check valve. It is installed every time, the production efficiency is low, the number of parts is relatively large, and the requirements for the skills of the assemblers are high. Similar products produced by peer manufacturers mainly include Yuken MP... series, Rexroth Z2S... series, etc.

Method used

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  • Superposition type hydraulic control one-way valve
  • Superposition type hydraulic control one-way valve
  • Superposition type hydraulic control one-way valve

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with accompanying drawing.

[0015] figure 1 It is a front view of the appearance of a superimposed hydraulic control check valve of the present invention.

[0016] figure 2 Yes figure 1 The B-B sectional view of the figure shows that the passages of P→P1 and T→T1 in the figure intersect with oblique holes.

[0017] image 3 Yes figure 1 The A-A sectional view of the valve body adopts a cast flow channel, and the A and B ports maintain pressure in both directions. The superimposed hydraulic control check valve includes a valve body 1, a spool 2, and two threaded cartridge check valves 3, wherein the check valve 3 is a threaded cartridge check valve with a standard mounting hole. Directional valve, there is no O-ring structure on the spool 2, and the structure uses working oil (hydraulic oil) to realize gap sealing; two threaded cartridge check valves 3 realize two-way pressure maintenance for A ...

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Abstract

The invention relates to a superposition type hydraulic control one-way valve comprising a valve body (1), a sliding column (2) and a one-way valve (3). The superposition type hydraulic control one-way valve is characterized in that the one-way valve (3) is an integral threaded plug-in type one-way valve with a standard mounting hole. The superposition type hydraulic control one-way valve in the invention has the following advantages that the assembly is simple; two different flow channel manufacturing methods can be selected according to the size of the batch; and the structure with an O-shaped ring is more reliable in sealing, the machining precision is reduced, and the machining cost is saved.

Description

technical field [0001] The invention relates to a superimposed hydraulic control one-way valve, in particular to a superimposed hydraulic control one-way valve with good pressure maintaining effect and simple assembly. It is suitable for hydraulic systems of mechanical processing equipment such as plastic machinery, die-casting machines, extrusion machines, stretching machines, hydraulic presses, and machine tools. Background technique [0002] At present, conventional superimposed hydraulic control check valves on the market, the one-way valves at both ends of the same industry are part-type check valves. When assembling the superimposed hydraulic control check valve, it is necessary to replace the parts belonging to the check valve. It is installed every time, the production efficiency is low, the number of parts is relatively large, and the requirements for assembly personnel are high. Similar products produced by peer manufacturers mainly include Yuken MP... series, Rexr...

Claims

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Application Information

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IPC IPC(8): F16K15/04F16K15/18F16K27/00
CPCF16K15/04F16K27/00F16K15/1823
Inventor 龚步才
Owner 江门市新会区进宾科技有限公司