The electronic power steering auxiliary device comprises a first shaft rod, a second shaft rod, a bearing and a torsion bar, the first shaft rod is provided with an outer end and a first joint end, a containing hole is formed in the tail end face of the first joint end of the first shaft rod in the axial direction of the first shaft rod, and the bearing is arranged in the containing hole. The second shaft rod is provided with an outer end and a second joint end, the tail end face of the second joint end of the second shaft rod is provided with a containing hole in the axial direction of the second shaft rod, the second joint end is provided with a guide section, and the guide section is contained in the containing hole of the first shaft rod; the bearing is arranged in the containing hole of the second shaft rod, and the outer wall of the bearing is in interference fit with the inner wall of the containing hole; one end of the torsion bar is inserted into the containing hole of the first shaft rod in an interference fit mode, the other end of the torsion bar is inserted into the containing hole of the second shaft rod, the torsion bar is arranged on the bearing in a penetrating mode, and the bearing is directly located between the second shaft rod and the torsion bar.

    一种转向系统及其电子动力转向辅助装置,其中电子动力转向辅助装置包括:第一轴杆、第二轴杆、轴承以及扭力杆,其中第一轴杆具有一外端和一第一接合端,所述第一轴杆的第一接合端的末端面沿第一轴杆的轴向开设有收容孔,第二轴杆具有一外端和一第二接合端,所述第二轴杆的第二接合端的末端面沿第二轴杆的轴向开设有收容孔,所述第二接合端设置有引段,所述引段收容于第一轴杆的收容孔内;轴承设置于所述第二轴杆的收容孔,所述轴承的外壁与收容孔的内壁过盈配合;扭力杆的两端以过盈配合的方式一端插设于第一轴杆的收容孔内,另一端插设于第二轴杆的收容孔内,所述扭力杆穿设于轴承,使所述轴承直接位于第二轴杆与扭力杆之间。


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    Title :

    Steering system and electronic power steering auxiliary device thereof


    Additional title:

    转向系统及其电子动力转向辅助装置


    Contributors:
    LUAN GUANGCHANG (author) / FENG MINGFEI (author) / WU KAIDONG (author) / ZHANG XUEJIAN (author)

    Publication date :

    2023-05-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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