The invention relates to a seat backrest adjusting mechanism which comprises a base arranged between a backrest and a vehicle body, one end of the base is fixed to the vehicle body, the other end of the base points to the backrest, and a guide groove matched with the rotating track of the backrest is formed in the upper portion of the base; a sliding strip which is inserted into the guide groove,one end of the sliding strip is fixed on the back surface of the backrest, and the other end of the sliding strip points to the vehicle body; a locking piece which is fixed on a vehicle body and is connected with the sliding strip and the base through the locking piece to realize locking; and a jacking and supporting piece which is connected to the base and has elasticity, the jacking and supporting piece is arranged at the bottom of the other end of the sliding strip, and the sliding strip is lifted upwards through the elastic acting force of the jacking and supporting piece, so that a gap between the sliding strip and the base at the sliding fit position of the guide groove is eliminated. The jacking pieces are supported at the bottoms of the sliding strips, and the sliding strips are jacked upwards through elasticity of the jacking pieces to eliminate gaps and avoid vibration.

    本发明涉及一种座椅靠背的调节机构,包括:设于靠背和车身之间的基座,基座的一端固定于车身且基座的另一端指向靠背,基座的上部形成有适配于靠背转动轨迹的导槽;插设于导槽内的滑条,滑条的一端固定于靠背的背面且滑条的另一端指向车身;固定于车身的锁止件,通过锁止件连接滑条和基座实现锁定;连接于基座且具有弹性的顶撑件,顶撑件设于滑条的另一端的底部,通过顶撑件的弹性作用力向上抬升滑条进而消除滑条和基座在导槽滑动配合处的缝隙。通过顶撑件支撑于滑条底部,利用其弹性将滑条向上顶撑以消除缝隙避免震动。


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    Title :

    Seat bracket adjusting mechanism


    Additional title:

    座椅靠背的调节机构


    Contributors:
    LIU-WANG TAOZHE (author) / ZHANG PING (author) / CHEN YUEYUN (author)

    Publication date :

    2020-08-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



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