The present invention relates to a rack driving type power assist steering apparatus. An embodiment of the present invention provides a rack driving type power assist steering apparatus, comprising: a ball nut formed with a first ball moving hole and a second ball moving hole which penetrate to an outer circumferential surface at one side and the other side of a screw groove formed on an inner circumferential surface, respectively, and coupled to an outer circumference side of a rack bar via a ball; a nut pulley coupled to an outer circumferential surface of the ball nut; a ball return member coupled between the nut pulley and the ball nut and having a ball circulation path for connecting the first ball moving hole and the second moving hole to one side and the other side thereof, respectively; and a ring-shaped fixing member coupled to a terminal end of one side of the ball nut and having one side cut to support the nut pulley in an axial direction.

    본 발명은 랙구동형 동력 보조 조향장치에 관한 것으로, 본 발명의 실시예는, 내주면에 형성된 스크류홈의 일측과 타측 각각에 외주면까지 관통된 제1볼이동홀과 제2볼이동홀이 형성되며 볼을 매개로 랙바의 외주측에 결합되는 볼너트, 볼너트의 외주면에 결합되는 너트풀리, 너트풀리와 볼너트의 사이에 결합되며 일측과 타측 각각에 제1볼이동홀과 제2이동홀을 연결하는 볼순환로가 형성되어 있는 볼리턴부재, 볼너트의 일측 끝단에 결합되어 너트풀리를 축방향으로 지지하도록 일측이 절개된 링형상의 고정부재를 포함하는 랙구동형 동력 보조 조향장치를 제공한다.


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    Titel :

    Rack Assist Type Electric Power Steering Apparatus


    Weitere Titelangaben:

    랙구동형 동력 보조 조향장치


    Beteiligte:
    KIM HYEON SU (Autor:in)

    Erscheinungsdatum :

    18.12.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    F16H Getriebe , GEARING / B62D MOTOR VEHICLES , Motorfahrzeuge



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