A trailer control valve with an external pressure regulating structure comprises an upper cover (1) and a valve body (15). An outer piston (2) and an inner piston (3) are arranged at the upper portion of an inner cavity of the valve body (15) respectively, a servo piston (6), a spring seat (7) and a guide sleeve (5) are arranged between a valve seat (10) and the inner piston (3), a plunger (8) is arranged in the middle of the guide sleeve (5), outer threads matched with inner threads on the inner wall of the spring seat (7) are arranged on the outer wall of the plunger (8) located on the position of the spring seat (7), a pressure regulating spring (9) is arranged between the spring seat (7) and the servo piston (6), a pressure regulating piston (4) penetrates through the hollow plunger (8) and can rotate to drive the plunger (8) to rotate, a step is arranged on the pressure regulating piston (4) below the plunger (8), an exhaust valve port (42) is formed in the step of the pressure regulating piston (4), and the tail of the pressure regulating piston (4) extends out of a valve body (18) and an exhaust seat (20). After a user selects a motor tractor and a semi-trailer according to tonnage matching, the user can freely adjust the braking proportion of the motor tractor and the semi-trailer according to loading states.


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    Titel :

    Trailer control valve with external pressure regulating structure


    Beteiligte:
    MA JING (Autor:in) / XU WENMIN (Autor:in) / ZHANG JIANYUAN (Autor:in) / ZHANG TAO (Autor:in) / ZHENG XIAOBO (Autor:in) / ZHOU GENMING (Autor:in)

    Erscheinungsdatum :

    22.04.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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