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Spring energy storage brake air chamber with function of preventing parking brake force attenuation

A technology of energy storage braking and braking force, applied in the direction of brake actuator, dispersed particle filtration, mechanical equipment, etc., can solve the problems that have not been effectively solved, and achieve the purpose of improving the actual output effective value, prolonging the service life, and improving the use of effect of life

Pending Publication Date: 2019-08-23
罗克华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The above problems, especially the parking brake problem of medium and heavy vehicles and even military trucks, have always been a major problem in the industry and have not been effectively resolved for many years

Method used

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  • Spring energy storage brake air chamber with function of preventing parking brake force attenuation
  • Spring energy storage brake air chamber with function of preventing parking brake force attenuation
  • Spring energy storage brake air chamber with function of preventing parking brake force attenuation

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Embodiment Construction

[0035] specific implementation plan

[0036] Below in conjunction with the accompanying drawings, the present invention will be further described, the embodiments of the present invention are only used to illustrate the present invention rather than limit the present invention, without departing from the technical idea of ​​the present invention, according to the common technical knowledge and conventional means in the art, made Various substitutions and changes should be included within the scope of the present invention.

[0037] The analysis of the problems in the background technology is as follows:

[0038] For the inner-breathing piston spring brake air chamber (similar to the inner-breathing double-diaphragm spring brake air chamber), the reason analysis of the decrease in the output value of the parking brake force: due to the parking brake, the parking piston moves forward and jacks up Bowl-shaped rubber diaphragm 7, driving chamber and spring chamber form negative p...

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PUM

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Abstract

The invention discloses a spring energy storage brake chamber with a function of preventing parking brake force attenuation. The spring energy storage brake chamber comprises a rear cylinder body anda pull rod bolt assembly which is in threaded connection with the rear cylinder body, and further comprises a ventilating and filtering device or a breathing channel with a filtering function, whereinthe ventilating and filtering device or the breathing channel with the filtering function communicates with the interior of the rear cylinder body. Therefore, the gas channel flow direction under which only gas exhausting can be performed but gas suction can not be performed through a relay valve and an adjustor during parking brake originally is changed thoroughly, so that a driving brake cavityand the rear cylinder body are effectively prevented from forming negative pressure, then the gas pressure balance of the brake chamber is realized, and the parking brake force is remarkably improved.

Description

technical field [0001] The invention relates to a brake device of a vehicle, in particular to a spring energy storage brake air chamber for preventing parking brake force attenuation. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and may or may not constitute prior art. [0003] With the enforcement of automobile safety standards, the ABS anti-lock braking system has become a standardized configuration for heavy-duty trucks, large and medium-sized passenger cars, and light-duty trucks. As the parking device, the spring energy storage brake air chamber has always used a sealed cavity, and the intake and exhaust are also carried out through the vents connected to the ABS, so as to prevent dust, particles, rainwater, etc. from entering the interior impact structure. The currently used ones include external breathing double-diaphragm spring brake air chambers, internal breathing double-diaph...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D65/14B01D46/30F16D121/04F16D125/02
CPCF16D65/14B01D46/30F16D2121/04F16D2125/02
Inventor 曹文斌曹迅唐晓罗克华
Owner 罗克华
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