The invention discloses a piston type pneumatic control stop valve. A valve is arranged at an air inlet, and an air inlet and outlet connecting hole is formed between the air inlet and an air outlet. A piston is arranged from the inside of a control port to an inner cavity of a valve body of the valve, and the air inlet and the air outlet are communicated through the air inlet and outlet connecting hole in the state that one end of the piston is tightly attached to the control port, and the end face of the other end of the piston is used for closing an air inlet valve port in the air inlet through the valve in the state that the piston is far away from the control port to the limit. According to the technical scheme, the appearance of the entire product is greatly decreased, and the weight is lowered; mounting and connecting are more reliable; the air pressure of the control air port acts on a fixed section, and thus the pressure value of the valve is constant no matter whether the valve is turned on or off; hence, the fixed pressure value of the control port can be directly used for controlling a gearbox interrupted valve to be turned on or off; the piston type pneumatic control stop valve simplifies the product structure, shortens the production period, improves the productivity and performance of the product and lowers the production cost.


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    Title :

    Piston type pneumatic control stop valve


    Contributors:
    QIAO YUEPING (author) / WANG DONGYING (author) / YIN GUOZHU (author) / YE XINNIAN (author) / WANG HUA (author) / ZHANG ZHAOMING (author) / LIN SUYI (author) / XIE YUXING (author) / HAN TINGTING (author) / ZHAO CONG (author)

    Publication date :

    2015-04-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / F16K VALVES , Ventile



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