The present invention provides a rack-driven power-assisted steering system comprising: a rack bar having an outer peripheral thread groove provided on the outer peripheral surface thereof; a ball nut having an inner peripheral thread groove corresponding to the outer peripheral thread groove on the inner peripheral surface thereof, the bearing coupled to the outer peripheral surface of the ball nut; and a nut pulley having a support end coupled to the outer peripheral surface of the ball nut and configured to support a bearing provided at one end of the inner peripheral surface thereof, and having an expanded diameter portion formed at the other end of the inner peripheral surface thereof, the expanded diameter portion forming a step with the support end and the inner diameter of the expanded diameter portion being expanded, the outer peripheral surface of the nut belt wheel is provided with a conveyor belt combination part.

    本发明提供一种齿条驱动式动力辅助转向系统,其包括:齿条杆,在所述齿条杆的外周面设置有外周螺纹凹槽;滚珠螺母,在所述滚珠螺母的内周面设置有与外周螺纹凹槽对应的内周螺纹凹槽,轴承结合在所述滚珠螺母的外周面;螺母带轮,在所述螺母带轮的内周面的一侧端部设置有结合于滚珠螺母的外周面并用于支撑轴承的支撑端部,在所述螺母带轮的内周面的另一侧端部形成有扩径部,所述扩径部与支撑端部形成台阶且其内径扩大形成,在所述螺母带轮的外周面设置有传送带结合部。


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    Title :

    Rack-driven power assisted steering system


    Additional title:

    齿条驱动式动力辅助转向系统


    Contributors:

    Publication date :

    2023-05-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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