Solenoid valve diaphragm assembly

A solenoid valve and diaphragm technology, which is applied in the field of solenoid valves, can solve problems such as the valve opening cannot be closed, and achieve the effects of prolonging service life, strengthening strength, and reducing after-sales maintenance costs

Pending Publication Date: 2018-07-10
YUYAO SANLIXIN SOLENOID VALVE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the flat diaphragm is used, the periphery of the diaphragm is tightly sealed by the valve body and the valve cover. The process of diaphragm displacement is actually that the diaphragm is constantly stretched and reset, and the sealing position of the diaphragm on the valve port is also constantly changing. After reaching a certain level, there will be a phenomenon that the valve port cannot be closed.

Method used

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  • Solenoid valve diaphragm assembly
  • Solenoid valve diaphragm assembly
  • Solenoid valve diaphragm assembly

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Embodiment Construction

[0029] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention.

[0030] figure 1 It is a structural schematic diagram of the solenoid valve diaphragm assembly of the present invention, which mainly reflects that the solenoid valve diaphragm assembly is composed of a diaphragm pressure plate 1, a diaphragm 2, a valve port seal 3, a diaphragm bottom plate 4 and a pilot valve port 5, and the connections between them; figure 2 It is a schematic diagram of the structure of the diaphragm of the present invention, reflecting the structure of the sealing ring 21, the circular arc ring surface 22, the balance hole 23, the woven cloth 24, the second positioning installation hole 25 and the like on the diaphragm 2; image 3 It is a structural...

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PUM

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Abstract

The invention discloses a solenoid valve diaphragm assembly. The solenoid valve diaphragm assembly comprises a diaphragm pressing plate (1), a diaphragm (2), a valve opening sealing part (3), a diaphragm bottom plate (4) and a guide valve opening (5), wherein the guide valve opening (5) penetrates through the diaphragm pressing plate (1), the diaphragm (2), the valve opening sealing part (3) and the diaphragm bottom plate (4) in sequence from top to bottom and is fixed and locked through a spring gasket (6) and a nut (7); the diaphragm pressing plate (1), the diaphragm (2), the valve opening sealing part (3), the diaphragm bottom plate (4) and the guide valve opening (5) are coaxially distributed. With the adoption of the structure, the diaphragm is not in direct contact with a main valveopening, an impact force on the diaphragm is reduced and the service life of the diaphragm is effectively prolonged, so that the service life of a corresponding solenoid valve is prolonged and the solenoid valve diaphragm assembly is suitable for higher pressure and flow.

Description

technical field [0001] The invention belongs to the technical field of solenoid valves, in particular to a diaphragm assembly of a solenoid valve. Background technique [0002] Solenoid valve (Solenoid valve) is an industrial equipment controlled by electromagnetic force. It is an automatic basic component used to control fluids. It belongs to actuators and is not limited to hydraulic and pneumatic. It is used to adjust the direction, flow, speed and other parameters of the medium in the industrial control system. Solenoid valves can cooperate with different circuits to achieve the expected control, and the control accuracy and flexibility can be guaranteed. Different solenoid valves play a role in different positions of the control system, and the most commonly used ones are check valves, safety valves, directional control valves, speed regulating valves, etc. According to the principle, it can be divided into three categories: direct-acting solenoid valve, step-by-step d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/06
CPCF16K31/0672
Inventor 毛杉海顾国云鲁焕炯
Owner YUYAO SANLIXIN SOLENOID VALVE CO LTD
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