The present invention relates to a gear box for sliding a seat for a vehicle, in which a worm shaft and a worm wheel nut are installed without additionally manufacturing a housing and the seat is moved by preventing the seat from being pushed in collision. The gear box includes a fixing bracket, a worm shaft and a worm wheel nut, a pair of support covers, a pair of support plates, and a locking unit. The fixing bracket is coupled to an upper rail having the seat and has a recess part formed at the center thereof in a longitudinal direction and open at both sides. The worm shaft and the worm wheel nut are installed to rotate in the state that the worm shaft and the worm wheel nut are perpendicular to each other inside the recess part of the fixing bracket. The support covers are coupled to both sides of the recess part of the fixing bracket while facing each other to rotationally support the worm shaft. The support plates are mounted in the recess part to be perpendicular to the support covers and rotationally support the worm nut through slide bushes slidably arranged. The locking unit is mounted in the recess part such that the locking unit is spaced from a lead screw while being adjacent to the slide bush. When impact occurs, the locking unit is moved by the slide bush while being locked to the lead screw, thereby preventing the gear box from being moved.

    본 발명은 웜샤프트와 웜휠너트가 개별적인 하우징 제작 없이 설치되도록 하고, 충돌시 시트의 밀림을 방지함으로써 시트의 이동이 이루어지도록 하는 자동차 시트 슬라이드용 기어박스에 관한 것으로, 시트를 구비한 상부레일에 결합되며, 길이방향 중심부에 양측이 개방된 함몰부를 갖는 고정브라켓; 상기 고정브라켓의 함몰부 내측으로 직교된 상태로 회전 가능하게 설치된 웜샤프트 및 웜휠너트; 상기 고정브라켓의 함몰부 양측으로 마주하게 결합되며, 상기 웜샤프트를 회전가능하게 지지하는 한 쌍의 지지커버; 상기 지지커버와 직교되게 상기 함몰부에 설치되며, 슬라이딩 가능하게 배치된 슬라이드부시를 통해 상기 웜휠너트를 회전 가능하게 지지하는 한 쌍의 지지플레이트; 및 상기 슬라이드부시와 인접한 상태로 리드스크류와 이격되게 상기 함몰부에 설치되며, 충격 하중이 발생하면 상기 슬라이드부시에 의해 이동하면서 리드스크류와 록킹되어 상기 기어박스의 이동을 차단하는 록킹유닛;을 포함하여 구성된다.


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    Titel :

    Gear Box for moving seats for vehicle


    Weitere Titelangaben:

    자동차 시트 슬라이드용 기어박스


    Beteiligte:
    KANG SUCK WOO (Autor:in) / LEE IN HEANG (Autor:in)

    Erscheinungsdatum :

    2018-05-28


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / F16H Getriebe , GEARING



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