The present invention provides a parking brake actuator comprising: a motor; a power transmission unit connected to an output shaft of the motor; a planetary gear set having a sun gear connected to the power transmission unit and the planetary gear engaged with the sun gear and having the ring gear which is engaged with the planetary gear and has an insertion protrusion protruding from a lower surface; and a housing having a motor receiving unit receiving the motor and having a ring gear receiving unit receiving the ring gear and wherein the ring gear receiving unit has an insertion groove where the insertion protrusion is forcibly fitted is formed on a floor surface. The present invention provides an advantage of preventing a clearance between the ring gear and the housing of the planetary gear set. A quality of a product is improved since the configuration increases tolerance design freedom with respect to the ring gear receiving unit of the housing.

    본 발명은 모터; 상기 모터의 출력축에 연결되는 동력전달부; 상기 동력전달부에 연결되는 선기어와, 상기 선기어에 맞물리는 유성기어와, 상기 유성기어에 맞물리며 하면에 돌출 형성된 끼움돌기를 포함하는 링기어를 포함하는 유성기어세트; 및 상기 모터가 수용되는 모터수용부와 상기 링기어가 수용되는 링기어수용부를 포함하고, 상기 링기어수용부는 바닥면에 형성되어 상기 끼움돌기가 억지 끼워맞춤되는 끼움홈을 포함하는 하우징을 포함하는 주차 브레이크 액츄에이터를 제공하여, 유성기어세트의 링기어와 하우징의 유격을 방지할 수 있는 유리한 효과를 제공한다. 이러한 구성은 하우징의 링기어수용부에 대한 공차 설계 자유도를 높이기 때문에 제품의 품질을 높일 수 있게 된다.


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    Titel :

    ELECTRONIC PARKING BRAKE ACTUATOR


    Weitere Titelangaben:

    주차 브레이크 액츄에이터


    Beteiligte:
    YU BYEONG JONG (Autor:in)

    Erscheinungsdatum :

    2015-10-19


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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