Pressure limiting valve of vehicle or engineering machine air pressure regulating system
A technology of air pressure regulating system and construction machinery, which is applied in the direction of mechanical equipment, safety valves, balance valves, etc., can solve the problems of not compact and reasonable structure, and the safety performance of pressure limiting valve is not high enough, and achieve the effect of improving safe use performance
Active Publication Date: 2012-07-04
WUHU SHENGLI TECH SHARES
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Problems solved by technology
[0002] In the prior art, the safety performance of the pressure limiting valve of the air pressure regulating system of automobiles or engineering machinery is not high enough, and at the same time, the structure of its products is not compact and reasonable enough
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[0017] Referring to the accompanying drawings, through the description of the embodiments, the specific implementation of the present invention, such as the shape, structure, mutual position and connection relationship between the various parts, the function and working principle of each part, and the manufacturing process And the method of operation and use, etc., are described in further detail to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention.
[0018] Such as figure 1 The structure of the present invention expressed is a pressure-limiting valve of an automobile or construction machine air pressure regulating system, which includes a pressure-limiting valve housing 1 , an air inlet 19 and an air outlet 18 . It is a constant air pressure adjustment protection device that outputs a constant air pressure to the rear pipeline after the brake system uses a pressure l...
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The invention discloses a pressure limiting valve of a vehicle or engineering machine air pressure regulating system, and a valve core of an air inlet valve for regulating the area of through flow cross section of an air passage is arranged on the air passage leading from an air inlet to an air outlet; the pressure limiting valve is provided with a pressure regulating device, the pressure regulating device comprises a pressure regulating spring and a pressure regulating screw, the pressure regulating spring is arranged in a pressure regulating cover, and the pressure regulating cover is fastened and connected with a housing of the pressure limiting valve; the pressure regulating screw is mounted on the pressure regulating cover and connected with the pressure regulating spring through a pressure regulating spring seat; and the communication direction between the air passage of the air inlet and the valve core of the air inlet valve can reduce the area of the through flow cross section, and the elastic force direction of the pressure regulating spring can increase the area of the through flow cross section. With the adoption of the technical scheme, the pressure limiting valve is arranged in a whole brake system, thereby being conductive to better protecting safety air pressure in the brake system, improving the safety using performance of a whole vehicle, meeting the conditionthat the air pressure in a brake pipeline in the brake system of a vehicle or an engineering vehicle can not be too high, and playing a pressure-limiting protection role for the system.
Description
technical field [0001] The invention belongs to the technical field of automobiles and engineering machinery, and relates to the technology of an airflow conveying device for an air pressure regulating system of an automobile or engineering machinery. More specifically, the invention relates to a pressure limiting valve for an air pressure regulating system of an automobile or engineering machinery. Background technique [0002] In the prior art, the safety performance of the pressure limiting valve of the air pressure regulating system of the automobile or engineering machinery is not high enough, and at the same time, the structure of the product is not compact and reasonable enough. Contents of the invention [0003] The problem to be solved by the present invention is to provide a pressure limiting valve for the air pressure regulating system of an automobile or engineering machinery, the purpose of which is to improve the safe use performance of the whole vehicle. [...
Claims
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IPC IPC(8): F16K17/06
Inventor 乔跃平谢裕兴王华叶新年
Owner WUHU SHENGLI TECH SHARES