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Pilot-operated electromagnetic valve and assembling method thereof

A pilot-operated solenoid valve and valve sleeve technology, applied in the field of solenoid valves, can solve problems such as inconvenient processing and complex product structure, and achieve the effects of reducing processing costs, simplifying structure, and improving sealing accuracy

Inactive Publication Date: 2014-07-09
ZHEJIANG SANHUA CLIMATE & APPLIANCE CONTROLS GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the prior art pilot solenoid valve, the valve seat is sleeved outside the casing and welded. The inner cavity of the piston and the valve seat needs to realize a slidable fit and seal the valve cavity, and two connecting pipes need to be welded on the valve seat. The product Complex structure and inconvenient processing

Method used

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  • Pilot-operated electromagnetic valve and assembling method thereof
  • Pilot-operated electromagnetic valve and assembling method thereof
  • Pilot-operated electromagnetic valve and assembling method thereof

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Embodiment Construction

[0044] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0045] figure 2 with image 3 They are respectively the schematic diagrams of the solenoid valve structure in the closed and open positions of the first embodiment provided by the present invention, Figure 4 It is a schematic diagram of the piston structure of the above electromagnetic valve structure, Figure 7 It is a schematic diagram of the integral molding structure of the elastic body and the sealing ring of the piston.

[0046] Such as figure 2 , image 3 , Figure 4 and Figure 7 shown. The pilot solenoid valve consists of a valve body and an excitation coil 2 as a signal control. The main body of the valve body is a cylindrical valve sleeve 1 processed by sheet stretching, and the coil 2 is fixed on the outer cir...

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Abstract

The invention relates to the technical field of the electromagnetic valves, and in particular relates to a pilot-operated electromagnetic valve and an assembling method thereof. The pilot-operated electromagnetic valve comprises a valve bush with a first inner circular part and a second inner circular part, a fixed iron core, a valve seat, an excitation coil, a movable iron core, a piston, an inlet adapter and an outlet adapter; the assembling method of the pilot-operated electromagnetic valve comprises welding the inlet adapter on the valve bush, welding the outlet adapter on the valve seat, welding the fixed iron core in the valve bush at one end, mounting the movable iron core and the piston in the valve bush orderly, welding the valve seat in the valve bush at the other end, and fixing the coil outside the valve bush. The pilot-operated electromagnetic valve and the assembling method thereof have the advantages that the processing cost of the electromagnetic valve can be reduced, the materials applied can be reduced, and miniaturization of the product is realized.

Description

technical field [0001] The invention relates to the technical field of solenoid valves, in particular to a pilot solenoid valve and a combination method thereof. Background technique [0002] Pilot solenoid valve products are widely used, and are generally used to control the opening or closing of large flow media. [0003] Please refer to figure 1 , figure 1 It is a structural schematic diagram of a typical pilot solenoid valve in the prior art. [0004] The pilot solenoid valve in the prior art includes a coil 2' and a valve seat 3' connected to the upper and lower ends of the sleeve 1', the upper end of the sleeve 1' is provided with a static iron core 7', and the inside of the sleeve 1' There is a moving core iron 4', the lower end of the moving core iron 4' is fixed with a sealing ball 41', a spring 9' is provided between the moving core iron 4' and the head 11', and the valve seat 3' is made of metal such as a copper block. The machined structure is welded on the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/06F16K1/00B23P11/00
CPCF16K31/06B23P11/00F16J9/26F16K17/0406
Inventor 不公告发明人
Owner ZHEJIANG SANHUA CLIMATE & APPLIANCE CONTROLS GRP CO LTD
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