Foot brake valve with integrated pressure limit function
A technology of foot brake valve and function, which is applied in the field of commercial vehicle braking system and can solve the problem of small air pressure controllable range
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[0034] The present invention will be described in further detail below by means of specific embodiments:
[0035]The reference signs in the accompanying drawings of the specification include: upper cavity 1, upper piston 11, upper outer piston 111, upper inner piston 112, stepping plate 12, pushing column 13, first support plate 31, first switch valve 32, upper Valve body 321, lower valve body 322, upper valve exhaust port 14, communication port 15, lower cavity body 2, lower piston 21, lower inner piston 211, lower outer piston 212, lower valve exhaust port 22, communication cavity 3, Valve body cavity 4 , through hole 41 , second support plate 42 , second switch valve 43 , communication pipe 5 , support plate 6 , and blocking flange 7 .
[0036] Such as figure 2 Shown, in order to achieve the above object, basic scheme of the present invention is as follows:
[0037] A foot brake valve with integrated pressure limiting function, comprising a valve body, an upper cavity 1,...
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