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Fluid-control solenoid valve structure

A solenoid valve and fluid technology, applied in fluid pressure actuating devices, fluid pressure actuating system components, valve details, etc., can solve problems such as increased processing costs, achieve low processing costs, extend exhaust channels, and avoid pollutants the effect of exchange

Pending Publication Date: 2019-03-12
MIANYANG FULIN PRECISION MACHINING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to ensure the sealing performance between the end face of the valve sleeve and the ferromagnetic gasket, it is necessary to improve the machining accuracy of the two sealing surfaces or add a sealing element between the two to assist the sealing, which will inevitably lead to an increase in processing costs in actual mass production

Method used

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  • Fluid-control solenoid valve structure
  • Fluid-control solenoid valve structure
  • Fluid-control solenoid valve structure

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Embodiment Construction

[0019] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0020] Such as figure 1 The fluid control solenoid valve structure shown includes a valve sleeve assembly and an electromagnetic assembly, and the valve sleeve assembly and the electromagnetic assembly are riveted and fixed together through the front yoke sleeve 6 in a closing manner. The valve sleeve assembly mainly includes a valve core 21 and a valve sleeve 24 that can be obtained by metal processing or plastic polymer molding. The valve sleeve 24 is a hollow cavity structure, one end of which forms an oil outlet 26, and the other end has an inner cavity. A filling block 19 is arranged in the ...

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PUM

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Abstract

The invention provides a fluid-control solenoid valve structure. The fluid-control solenoid valve structure comprises a pole shoe, a magnetic mandrel, a magnetic core as well as a filling block and avalve sleeve, wherein one end of the magnetic mandrel is fixedly connected with the magnetic core, and the other end of the magnetic mandrel and the pole shoe defines a clearance fit structure; a gasexhaust groove is formed in the filling block; a gas exhaust hole is formed in the valve sleeve; a connecting hole is formed between the magnetic core and the magnetic mandrel; the filling block and the pole shoe define a sealing structure; a gas exhaust channel is formed between the valve sleeve and the filling block through the gas exhaust groove; and the gas exhaust channel separately communicates with the connecting hole and the gas exhaust hole. According to the fluid-control solenoid valve structure provided by the invention, the peripheral structure space of a solenoid does not need tosacrifice, the gas exhaust channel of the solenoid valve is greatly prolonged, metal particle pollutants in hydraulic fluid can be effectively prevented from entering a solenoid assembly, and pollutant exchange between the inner part of the solenoid valve and the outer part of the solenoid valve also can be effectively avoided, and working reliability of the solenoid valve is guaranteed, and therefore, the fluid-control solenoid valve structure has outstanding advantages of being simple in processing, low in processing cost and the like.

Description

technical field [0001] The invention relates to the field of electromagnetic valve structure design, in particular to a fluid control electromagnetic valve structure applied in an automobile power assembly device. Background technique [0002] The automotive powertrain usually includes an engine and an automatic transmission, and the control of the oil pump in the engine cooling and lubrication system is generally controlled by a solenoid valve. During the operation of the automatic transmission, the torque converter, clutch and cooling and lubrication system The flow control is also adjusted by solenoid valve. [0003] When the solenoid valve is in operation, it is usually partially or completely immersed in the oil. During the operation of the vehicle, metal particle contamination is carried in the hydraulic fluid due to the wear and tear of transmission parts such as gears, shafts and bearings. These metal particle pollutants will be deposited in the solenoid valve due ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B13/02F15B21/041F16K31/06
CPCF15B13/021F15B21/041F16K31/06
Inventor 陈兵唐丹李全冬李祖旭曹甫兵丁东
Owner MIANYANG FULIN PRECISION MACHINING
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