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Electromagnetic valve

A solenoid valve and solenoid coil technology, applied in the field of solenoid valves, can solve the problems affecting the use effect of solenoid valves, cumbersome processing and manufacturing, fluctuation of working gas pressure, etc. accelerated effect

Pending Publication Date: 2017-07-25
宁波奉化胜雄机电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the electromagnetic valve will affect each other when multiple air holes work at the same time, resulting in fluctuations in the working gas pressure, affecting the use of the electromagnetic valve, and the gas input by the air pump will be attenuated by about 50% after being discharged by the electromagnetic valve, so that the air pump must input a large amount. The inlet pressure of the solenoid valve can meet the exhaust requirements. In addition, the terminals on the solenoid valve frame have to go through multiple processes of winding, welding to the frame, and bending, and the processing is cumbersome.

Method used

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Embodiment Construction

[0022] The present invention is further explained in conjunction with the accompanying drawings.

[0023] see Figure 1 to Figure 5 The solenoid valve shown includes a valve body 1, a valve seat 2 and a coil assembly 3, the valve seat 2 is fixedly connected to the valve body 1, the valve body 1 is provided with a valve chamber 11, and the valve seat 2 is provided with a valve The air inlet 21 and the control port 22 communicated with the chamber 11, the valve body 1 is provided with a first through hole 12 connecting the air inlet 21 with the valve chamber 11 and a second through hole 13 connecting the valve chamber 11 with the outside world, The coil assembly 3 includes a moving iron core 31, the moving iron core 31 extends through the valve cavity 11 into the first through hole 12, and the end of the moving iron core 31 is embedded with a sealing plug 32, the sealing plug 32 includes an upper end surface and The lower end surface, the upper end surface of the sealing plug 3...

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PUM

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Abstract

The invention discloses an electromagnetic valve. The electromagnetic valve comprises a valve body, valve seats and coil assemblies, wherein valve cavities are arranged in the valve body; air inlets and control ports are formed in the valve seats; first through holes for communicating the air inlets with the valve cavities and second through holes for communicating the valve cavities with outside are formed in the valve body; each coil assembly comprises a movable iron core, a sealing plug is inlaid to the movable iron core, the upper end surface of the sealing plug is in tight fit with the corresponding first through hole under the driving of the movable iron core, the lower end surface of the sealing plug is in tight fit with the corresponding second through hole under the driving of the movable iron core, non-return diaphragms matched with the corresponding first through holes are arranged in the corresponding valve cavities, and when sudden dropping disturbance of air pressure in the air inlets occurs relative to air pressure in the valve cavities, the non-return diaphragms are tightly attached to the corresponding first through holes under the action of pressure difference, so that air pressure stability of the control ports is guaranteed. The electromagnetic valve has the characteristics as follows: pressure of output work gas is stable, gas pressure attenuation is lower, intake and exhaust speeds are high, a terminal is simple to process and manufacture, and the protective performance is good.

Description

technical field [0001] The invention relates to the technical field of gas valves, in particular to an electromagnetic valve. Background technique [0002] The air valve is an automatic basic component used to control the fluid and belongs to the actuator. It is used to adjust the direction, flow, speed and other parameters of the medium in the industrial control system. With the continuous development of science and technology, the air valve has also experienced the development process from mechanical switching to electromagnetic switching. As we all know, the mechanical switching valve needs workers to switch, and the operation is very inconvenient, but the electromagnetic switching valve has overcome the mechanical switch. The defects and shortcomings of the inconvenient operation of the type switch valve, the solenoid valve can cooperate with different circuits to achieve the expected control, and the control accuracy and flexibility can be guaranteed. [0003] At pres...

Claims

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Application Information

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IPC IPC(8): F16K11/22F16K15/14F16K15/18F16K31/06
CPCF16K11/22F16K15/14F16K31/0624F16K31/0675F16K15/1825Y02B30/70
Inventor 江军
Owner 宁波奉化胜雄机电科技有限公司
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