Disclosed is a hydraulic pressure supply device. According to one aspect of the present invention, there may be provided a hydraulic pressure supply device comprising: a motor coupled to one side of a modulator module in which a flow passage and a valve for adjusting brake hydraulic pressure are provided, the motor being formed with a first hollow portion for accommodating a rotating shaft; a pump housing coupled to the other side of the modulator module, the pump housing being formed with a second hollow portion linearly communicating with the first hollow portion; a ball nut connected to the rotating shaft in a ball screw manner, converting rotational motion of the rotating shaft into linear motion, and preventing rotation of the ball nut by an anti-rotation device; and a piston having a cylindrical shape, a piston hole penetrating the piston in a longitudinal direction, one end of the piston being coupled to the ball nut to move together with the ball nut, the other end of the piston being provided with a head, the diameter of the head being larger than the diameter of a main body part connected to the ball nut, and the diameter of the main body part being smaller than the diameter of the main body part. The piston is disposed in the second hollow portion and forms hydraulic pressure in only one direction when moving from a direction away from the motor to a direction close to the motor.

    公开一种液压供应装置。根据本发明的一个方面,可以提供一种液压供应装置,包括:马达,结合到调制器模块的一侧,所述调制器模块的内部设置有用于调节制动液压的流道和阀,所述马达形成有用于容纳旋转轴的第一中空部;泵壳体,结合到所述调制器模块的另一侧,所述泵壳体形成有与所述第一中空部直线连通的第二中空部;滚珠螺母,以滚珠丝杠方式与所述旋转轴连接,将所述旋转轴的旋转运动转换为直线运动,并且通过防旋转装置防止所述滚珠螺母的旋转;以及活塞,具有圆柱形,活塞孔沿长度方向贯通所述活塞,所述活塞的一端与所述滚珠螺母结合以与所述滚珠螺母一起移动,所述活塞的另一端设置有头部,所述头部的直径大于与所述滚珠螺母连接的主体部的直径,所述活塞设置在所述第二中空部中,并从远离所述马达的方向移动到靠近所述马达的方向时,仅在一个方向上形成液压。


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    Title :

    Hydraulic pressure supply device


    Additional title:

    液压供应装置


    Contributors:

    Publication date :

    2024-10-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / F16H Getriebe , GEARING



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