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Hydraulic control valve with opening pressure hydraulically controlled

A technology for opening pressure and controlling valves, which is applied to safety valves, balance valves, valve devices, etc., and can solve problems such as increasing operational complexity

Inactive Publication Date: 2017-10-17
防城港市水利工程技术管理站
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Hydraulic control valves with hydraulically controlled cracking pressure in the prior art usually open the spool manually or by a motor, which inevitably increases the complexity of the operation

Method used

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  • Hydraulic control valve with opening pressure hydraulically controlled
  • Hydraulic control valve with opening pressure hydraulically controlled

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Embodiment Construction

[0027] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0028] Such as figure 1 and figure 2 As shown, the embodiment of the present invention discloses a hydraulic control valve with hydraulically controlled cracking pressure, which is used for hydraulic control, and is especially suitable for controlling water flow and water pressure in river dams. The hydraulic control valve with hydraulically controlled cracking pressure includes: Valve body 10, valve core 20, water pressure control assembly and cover; Specifically, valve body 10 has water inlet 13 and water outlet 14, and the interior of described valve body 10 is formed with stopper 11, and described stopper 11 There is a diversion hole 12 for connecting the water inlet 13 and the water outlet 14; the valve core 20 blocks the ...

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Abstract

The invention discloses a water conservancy control valve with hydraulically controlled opening pressure, which is used for water conservancy control, and comprises: a valve body; a valve core; and a water pressure control assembly. Since the hydraulic control valve with hydraulic control cracking pressure of the present invention is provided with a hydraulic control assembly in the valve body, the cracking pressure of water corresponding to the valve core can be controlled by setting the elastic coefficient and compression amount of the spring. And the compression amount can be changed by rotating the adjusting nut to change the predetermined pressure, thereby adjusting the opening pressure of the valve core. The pressure water can be passed into the control port, and after entering the control chamber, the pressure water pushes against the valve core through the capsule wall, and pushes against the valve core together with the spring, so that the valve core is pressed against the stopper with a certain pressure, thereby Control the cracking pressure of the spool.

Description

technical field [0001] The invention relates to the technical field of water conservancy control, in particular to a hydraulic control valve with hydraulically controlled opening pressure, which is especially suitable for controlling the water flow and water pressure of river embankments. Background technique [0002] The hydraulic control valve with hydraulic control opening pressure is a valve controlled by hydraulic pressure. The hydraulic control valve is composed of a main valve and its attached conduit, pilot valve, needle valve, ball valve and pressure gauge. According to different purposes, functions and places, it can be evolved into remote control float valve, pressure reducing valve, slow closing check valve, flow control valve, pressure relief valve, hydraulic electric control valve, water pump control valve, etc. [0003] A filter shall be installed in front of the water conservancy control valve with hydraulic control cracking pressure, and it shall be convenie...

Claims

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Application Information

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IPC IPC(8): F16K17/30
CPCF16K17/30
Inventor 王建新张海燕
Owner 防城港市水利工程技术管理站
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