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Solenoid valve and its welding method

A solenoid valve and valve seat technology, applied in welding equipment, laser welding equipment, valve details, etc., can solve the problems of high cost, high process requirements, complicated welding process of valve seat and casing, etc., and achieve low cost and simple process , Guarantee the effect of sealing performance

Active Publication Date: 2016-05-25
ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is that in the welding process of the existing valve seat and the casing, there are problems of relatively complicated welding process, high process requirements and high cost

Method used

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  • Solenoid valve and its welding method
  • Solenoid valve and its welding method
  • Solenoid valve and its welding method

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Experimental program
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Embodiment Construction

[0029] The solenoid valve in the present invention includes a coil assembly, a valve core part and a main valve body, wherein the coil assembly drives the action of the core iron in the valve core part, and the movement of the core iron controls the flow of fluid through the main valve body. In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0030] figure 2 It is a cross-sectional view of the solenoid valve of the first specific embodiment of the present invention, image 3 yes figure 2 Sectional view of the seat assembly of the solenoid valve shown before welding, Figure 4 yes image 3 The schematic diagram of the installation of the seat assembly of the solenoid valve shown on the fixture, Figure 5 when welding Figure 4 Sectional view A-A of the seat assembly shown, combined below...

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Abstract

The invention discloses an electromagnetic valve and a welding method of the electromagnetic valve. After a sleeve and a valve seat are assembled into a valve seat assembly in a pressing mode, an annular welding line is formed in the inner wall portion of the combination portion of the sleeve and the valve seat on the valve seat assembly or the bottom end of the sleeve to conduct sealing fixation. According to the electromagnetic valve and the welding method of the electromagnetic valve, the problems that in the prior art, the manufacturing process is difficult, and leakage is easily caused are effectively solved, the process is simple, the product passing percent is improved, and the manufacturing cost is saved.

Description

technical field [0001] The invention relates to the technical field of fluid control, in particular to a welding method of an electromagnetic valve and a valve seat assembly thereof. Background technique [0002] In the field of refrigeration technology, solenoid valves are generally used to control the on-off switching of fluids; for example, in a car air conditioner, the solenoid valve is installed in the high-pressure pipe of the car air conditioner to control the on-off of the refrigerant. The switch of the valve port, so as to control the circulation or closure of the refrigerant. At present, the commonly used solenoid valve includes a coil assembly, a valve core part, a piston part and a main valve body. Sleeve, the upper head which is located in the sleeve and fixed on the other end of the sleeve, and the core iron 8 which can slide freely in the sleeve and is connected with the upper head through a core spring. When the solenoid valve is running in the system, the r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K31/06F16K27/10B23K26/28B23K26/08
CPCB23K26/08B23K26/282F16K27/10F16K31/06
Inventor 王晖齐小卫屠君庆
Owner ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO LTD