The present invention relates to a speed reducer for an automobile, and more specifically, to a speed reducer of a steering device provided with a worm and a worm wheel, wherein the worm wheel includes: a hollow hub into which a steering shaft is inserted; a boss formed on the hub and having an outer circumferential surface on which a plurality of gear portions engaging with a worm of a worm shaft protrude therefrom; and an insert rim formed in a ring shape on the inner side of the boss, and protruding from the outer circumferential surface thereof so as to have a protruding support portion located inside the gear portion, wherein a slip member is provided between the insert rim and the boss such that the insert rim can slip in a rotational direction from the boss.

    본 발명은 자동차의 감속기에 관한 것으로, 웜과 웜휠을 구비하는 조향장치의 감속기에 있어서, 웜휠은, 조향축이 삽입되는 중공 형상의 허브와, 허브에 형성되어 외주면에 웜축의 웜과 치합되는 복수개의 기어부가 돌출 형성되는 보스, 보스의 내측에 링형상으로 형성되되 외주면에서 돌출 형성되어 기어부 내측에 위치되는 돌출지지부가 구비되어 있는 인서트림이 구비되되, 인서트림이 보스로부터 회전방향으로 슬립되도록, 인서트림과 보스 사이에는 슬립부재가 구비되는 것을 특징으로 한다.


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    Title :

    Reducer for vehicle


    Additional title:

    자동차의 감속기


    Contributors:

    Publication date :

    2018-01-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

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



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