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Solenoid valve, vehicle brake hyraulic pressure control apparatus and solenoid valve fabriation method

A solenoid valve and electromagnetic force technology, applied in the field of solenoid valves, can solve problems such as the decrease in productivity of solenoid valves, the instability of the upper end of spring components, and the difficulty in assembling the second valve seat component, so as to improve productivity, increase the degree of freedom, The effect of improving assemblability

Active Publication Date: 2017-10-20
AUTOLIV NISSIN BRAKE SYST JAPAN CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, the upper end of the spring member is unstable, and it is difficult to assemble the second valve seat member, so there is a problem that the productivity of the solenoid valve is lowered.
[0007] In addition, in the above-mentioned conventional solenoid valve, the valve seat surface or the flow path of the first valve seat member and the second valve seat member are formed by fitting with the spherical surface of one valve body member, so there are two valve seat members. restricted question

Method used

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  • Solenoid valve, vehicle brake hyraulic pressure control apparatus and solenoid valve fabriation method
  • Solenoid valve, vehicle brake hyraulic pressure control apparatus and solenoid valve fabriation method
  • Solenoid valve, vehicle brake hyraulic pressure control apparatus and solenoid valve fabriation method

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Embodiment Construction

[0057] Embodiments of the present invention will be described in detail with reference to the drawings as appropriate.

[0058] like figure 1 As shown, the vehicle brake fluid pressure control device A of this embodiment is provided with a By-Wire brake system that operates when the prime mover (engine or electric motor, etc.) A device that works on both hydraulic brake systems.

[0059] The vehicle brake fluid pressure control device A includes a brake fluid pressure generating device A1 that generates brake fluid pressure through the pedaling force of the brake pedal P (brake operating member), a motor cylinder device A2 that generates brake fluid pressure using the motor 70, and a vehicle behavior assisting device. Stabilized hydraulic controls A3.

[0060] The hydraulic pressure generating device A1, the motor cylinder device A2, and the hydraulic pressure control device A3 are constituted as other units and communicated through external piping.

[0061] The vehicle bra...

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Abstract

The invention concerns a solenoid valve (15) capble of improving assembly performance of parts. A first valve seat member (140) and a second valve seat member (150) are fixed in the fixed core (110) and a valve body member (170) is disposed therebetween. A spring member (180) is interposed between the valve body member (170) and the second valve seat member (150) such that the valve body member (170) is normally seated on the first valve seat member (140). The valve body member (170) can move away from the first valve seat member (140) to be seated on the second valve seat member (150), by being pushed by the movable core (120). A guide member (160) holds the valve body member (170) and the spring member (180) to the second valve seat member (150) so as to limit the movement of the valve body member (170) away from the second valve seat member (150).

Description

technical field [0001] The invention relates to a solenoid valve, a brake hydraulic control device for vehicles and a manufacturing method of the solenoid valve. Background technique [0002] As a solenoid valve used in a vehicle brake hydraulic pressure control device, there is a so-called two-position three-way valve. This three-position valve has a first valve seat member and a second valve seat member fixed in a fixed core, and A spherical valve body member disposed between a first valve seat member and a second valve seat member (see, for example, International Publication No. 2015 / 046308). [0003] In the conventional solenoid valve described above, the valve body member is held by the holding member covering the end of the first valve seat member, and a spring member (coil spring) is interposed between the holding member and the second valve seat member. Then, by the urging force of the spring member, the holding member is pressed by the first valve seat member, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T13/68
CPCB60T13/686B60T8/3635B60T8/4081F16K31/0627B60T13/58B60T15/00B60T2270/402B60T2270/404B60T2270/414F16K11/044
Inventor 高桥宏和床井大哲
Owner AUTOLIV NISSIN BRAKE SYST JAPAN CO LTD
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