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Air pressure anti-lock braking system (ABS) regulating valve

An ABS regulating valve and air pressure technology, which is applied in the field of regulating valves, can solve the problems of inconvenient installation, high cost, large volume and weight of pneumatic ABS regulating valves, etc., and achieve the effects of saving production costs, simple control, and uniform force

Active Publication Date: 2014-04-09
CHONGQING HUAYU ELECTRIC GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] With this control structure, the volume and weight of the pneumatic ABS regulating valve are large, and the installation is inconvenient and costly

Method used

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  • Air pressure anti-lock braking system (ABS) regulating valve
  • Air pressure anti-lock braking system (ABS) regulating valve
  • Air pressure anti-lock braking system (ABS) regulating valve

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] The present invention will be described in further detail below in conjunction with specific embodiments.

[0030] Such as figure 2 As shown, the air pressure ABS regulating valve includes an outer shell 5, and an intake valve seat 1 and an exhaust valve seat 9 are installed inside the outer shell 5, the intake valve seat 1 is provided with an intake passage, and the exhaust The valve seat 9 is provided with an air outlet passage and a pressure-reducing exhaust passage, and a valve core assembly 4 is installed between the intake valve seat 1 and the exhaust valve seat 9, and the intake passage of the intake valve seat 1 passes through The air path of the valve core assembly 4 communicates with the air outlet channel of the exhaust valve seat 9;

[0031] Such as image 3 As shown, the spool assembly 4 includes a spool body 12 and an electromagnetic coil 2 sleeved on the spool body 12. A cylindrical pin perpendicular to the central axis of the spool body 12 is installe...

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PUM

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Abstract

The invention discloses an air pressure anti-lock braking system (ABS) regulating valve. The air pressure ABS regulating valve comprises an outer shell, wherein an inlet valve seat and an exhaust valve seat are arranged in the outer shell; an inlet channel is positioned on the inlet valve seat; an outlet channel and a pressure reducing exhaust channel are arranged on the exhaust valve seat; a valve core assembly is installed between the inlet valve seat and the exhaust valve seat; the inlet channel of the inlet valve seat is communicated with the outlet channel of the exhaust valve seat by a gas circuit of the valve core assembly; the valve core assembly comprises a valve core body and an electromagnetic coil sleeved to the valve core body; the electromagnetic coil is provided with two working currents; when the small current is charged to the electromagnetic coil, induction electromagnetic force is generated by the whole outer circumferential surface of the valve core and the gas flow in the inlet channel of the inlet valve seat is reduced till the inlet channel is closed; and when the large current is charged to the electromagnetic coil, the valve core body in the valve core assembly is moved towards the inlet valve seat continuously, and a cylindrical pin on the valve core body compresses an external spring so that a gap between the valve core body and the inlet valve seat is zero, an internal spring is recovered to an initial compression state to open a pressure relief valve port, and the outlet channel is communicated with the pressure reducing exhaust channel, thereby realizing the pressure reduction.

Description

technical field [0001] The invention relates to a regulating valve, in particular to a pneumatic ABS regulating valve used for braking of medium and large passenger cars. Background technique [0002] The pneumatic ABS regulating valve is suitable for medium and large passenger cars. The overall structure of the existing pneumatic ABS regulating valve mainly adopts segmented valve cores, and each valve core is equipped with a special electromagnetic coil to control the movement of the valve core in segments. [0003] Such as figure 1 Schematic diagram of the working principle of the existing air pressure ABS regulating valve. A normally open solenoid valve a is arranged on the intake air path, and a vent branch is also provided on the intake air path between the normally open solenoid valve a and the brake caliper c. The vent branch passes through The normally closed solenoid valve b communicates with the outside atmosphere. The normally open solenoid valve a and the norma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K11/10F16K31/06
Inventor 袁海军
Owner CHONGQING HUAYU ELECTRIC GRP
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