The invention relates to the field of automobile seats, discloses a seat backrest connection turnover mechanism and is mainly used for solving the problem of automobile seat backrest connection turnover mechanisms. The mechanism comprises a connection plate main plate, a linkage piece, a spiral spring and a seat backrest framework connection plate. The connection plate main plate is fixedly connected with a seat backrest framework and rotationally connected with the seat backrest framework connection plate; one end of the seat backrest framework connection plate is fixedly connected with the seat backrest framework, and a limit groove is formed in the other end of the seat backrest framework connection plate; an oval groove is formed in the connection plate main plate; the linkage piece is provided with a fixed end and a mobile end; the fixed end of the linkage piece is rotationally connected with the connection plate main plate, and the mobile end of the linkage piece can rotate around the fixed end of the linkage piece along the oval groove; one end of the spiral spring is fixedly connected with the connection plate main plate, the other end of the spiral spring is connected with the mobile end of the linkage piece, and thus the mobile end of the linkage piece can be elastically clamped into or slide out of the limit groove along the oval groove, and the seat backrest framework is locked or unlocked. The seat backrest connection turnover mechanism is simple in structure, convenient in operation and firm in locking in an unfolded state.


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    Title :

    Seat backrest connection turnover mechanism


    Contributors:

    Publication date :

    2015-08-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



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