The present invention relates to a rack driving type power assistance steering device which comprises: a rack bar having an outer circumferential screw groove formed on an outer circumferential surface thereof; a ball nut having an inner circumferential screw groove formed on an inner circumferential surface thereof, wherein a pair of a first ball circulation hole and a second ball circulation hole are spaced along the inner circumferential screw groove; a nut pulley, of which the inner circumferential surface is spaced from the outer circumferential surface of the ball nut to have a space, coupled to an end part of the ball nut; and a return tube of which one end part is coupled to the first ball circulation hole and the other end part is coupled to the second ball circulation hole to enable circulation of a ball.

    본 발명은 랙구동형 동력 보조 조향장치에 관한 것으로, 외주면에 외주스크류홈이 형성되어 있는 랙바, 내주면에 내주스크류홈을 구비하고 한쌍의 제1볼순환홀과 제2볼순환홀이 내주스크류홈을 따라서 이격 배치되어 있는 볼너트, 내주면이 볼너트의 외주면과 이격되어 공간이 구비되며 볼너트의 단부에 결합되는 너트풀리, 일단부는 제1볼순환홀에 결합되고 타단부는 제2볼순환홀에 결합되어 볼이 순환되는 리턴 튜브를 포함하는 랙구동형 동력 보조 조향장치를 제공한다.


    Access

    Download


    Export, share and cite



    Title :

    Rack Assist Type Power Steering Apparatus


    Additional title:

    랙구동형 동력 보조 조향장치


    Contributors:

    Publication date :

    2022-08-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



    Rack Assist Type Power Steering Apparatus

    KIM HYOUNG WOO | European Patent Office | 2018

    Free access

    Rack Assist Type Power Steering Apparatus

    JEON IN HWAN | European Patent Office | 2017

    Free access

    Rack Assist Type Power Steering Apparatus

    JEON IN HWAN | European Patent Office | 2023

    Free access

    Rack assist type power steering apparatus

    BAE JAE HOON | European Patent Office | 2019

    Free access

    Rack Assist Type Power Steering Apparatus

    JI SUNG HO | European Patent Office | 2017

    Free access