One-way pressure regulating valve
A pressure regulating valve, one-way technology, applied in the direction of control valves and air release valves, brake components, brakes, etc., can solve the problems of complicated structure, inconvenient operation, etc., to reduce maintenance times, prolong service life, improve driving safety effect
Active Publication Date: 2016-01-13
BEIQI FOTON MOTOR CO LTD
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Problems solved by technology
[0004] In the prior art, there are single-circuit one-way pressure regulating valves with various structural forms, and the structures are usually relatively complicated.
Moreover, two single-circuit one-way pressure regulating valves are usually designed in parallel to realize the function of the double-circuit one-way pressure regulating valve. For example, in Chinese patent CN201792853U, two same single-circuit one-way pressure regulating valves are used Parallel connection to form a double-circuit one-way pressure regulating valve, or a double-circuit one-way pressure regulating valve with a more complex structure can also be designed separately, which brings a lot of inconvenience in installation, use and maintenance
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[0059] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0060] In the present invention, unless stated otherwise, the used orientation words such as "up and down" are usually for the direction shown in the drawings or for the vertical, vertical or gravity direction Words used to describe the mutual positional relationship of each component.
[0061] figure 1 As shown, the present invention provides a one-way pressure regulating valve in a preferred embodiment, which includes a valve body 1, a main valve core 2, an elastic member 3 (pressure regulating spring 3), a control valve core 4 and a preload devices, etc., wherein the pre-tightening device includes an adjusting screw 14 and an adjusting screw limiting clip 1...
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The invention discloses a one-way pressure regulating valve. The one-way pressure regulating valve comprises a valve body (1), wherein an inlet (J) and a first outlet (P1) are formed in the valve body, a main valve element (2), an elastic part (3), a control valve element (4) and a pre-tightening structure are arranged in a valve cavity of the valve body, the valve cavity is divided into a high-pressure cavity (G) and a low pressure cavity (D) by the main valve element, a bypass channel (5) is further arranged on the valve body, one end of the bypass channel is communicated with the high pressure cavity, and the other end of the bypass channel can be closed by the control valve element or communicated with the low pressure cavity selectively through reciprocating movement of the control valve element. Besides, by additionally arranging a simple flow channel converting mechanism, functions of a two-circuit one-way pressure regulating valve can be achieved on the basis of a one-circuit one-way pressure regulating valve. Brake force of wheels on the left and the right can be regulated when the one-way pressure regulating valve is arranged in a braking line, and therefore the problems of braking deviation, braking swerving and the like can be effectively solved, and meanwhile the problems that braking heating is not uniform and abrasion to a brake is not uniform can be effectively solved.
Description
technical field [0001] The invention relates to a one-way pressure regulating valve with one-way pressure regulating function, which is especially suitable for vehicle brake system. Background technique [0002] Most cars have the problem of braking deviation. When braking deviation occurs, it means that the braking force required by the left and right wheels is equal when the vehicle continues to move forward in the direction before the brake is applied, but the left and right sides The braking forces produced by the brakes are unequal; or the braking forces produced by the left and right brakes are equal, but the required braking forces for the left and right wheels are not equal when the vehicle is kept moving forward in the direction of travel before the brake is not implemented. Both of these situations are caused by unreasonable vehicle design or machining errors and assembly errors. In many cases, it is difficult to solve the problem only by adjusting the brake cleara...
Claims
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IPC IPC(8): B60T15/36
Inventor 魏文义张根志郑金波
Owner BEIQI FOTON MOTOR CO LTD