An embodiment relates to a reducer of a power steering apparatus for a vehicle, which can provide a steering support force with a steering shaft as a worm coupled to a motor shaft and a worm wheel are geared with each other. The worm wheel comprises: a gear portion in which a tooth-shaped portion, formed with a mountain portion and a valley portion, is formed to be geared with the worm at an outer circumferential side; an insert portion formed at an internal side of the gear portion; and an interposition portion inserted into an internal side of the mountain portion at an outer circumferential side of the insert portion. In the interposition portion, at least one of a side protrusion formed on both side surfaces opposite to each other in a circumferential direction, a side recessed portion formed on both side surfaces opposite to each other in a circumferential direction, and a dead end protrusion formed in a dead end portion of a lateral direction is formed.

    본 실시예들은 모터축과 결합된 웜과 웜휠이 치합되어 조향축으로 조향보조력을 제공하는 전동식 조향장치의 감속기로서, 웜휠은, 외주측에 웜과 치합되도록 산부와 골부로 이루어지는 치형부가 형성되어 있는 기어부와, 기어부의 내측에 형성되는 인서트부가 구비되되, 인서트부의 외주측에는 산부의 내측으로 삽입되는 삽입부가 구비되며, 삽입부는, 원주방향으로 대향되는 양측면에 형성되는 측면돌기, 원주방향으로 대향되는 양측면에 형성되는 측면함몰부, 경방향의 끝단부에 형성되는 끝단돌기 중 적어도 어느 하나 이상이 형성되어 있는 것을 특징으로 하는 전동식 조향장치의 감속기를 제공한다.


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    Titel :

    Reducer of Power Steering Apparatus for Vehicle


    Weitere Titelangaben:

    전동식 조향장치의 감속기


    Beteiligte:

    Erscheinungsdatum :

    19.08.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

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



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