The invention discloses a double-seat folding mechanism. The double-seat folding mechanism comprises a front vehicle frame where a front seat is installed and a back vehicle frame where a back seat is installed. The front vehicle frame is connected with the back vehicle frame through a main four-bar mechanism with a folding pair, the four-bar mechanism is composed of upper connecting bars, a folding pair and lower connecting bars, the upper connecting bars and the front vehicle frame are fixed or integrated, the lower connecting bars and the back vehicle frame are fixed or integrated, a handle is arranged on the front vehicle frame, a rotating fixing plate is connected with the handle, the back vehicle frame is provided with a folding position fixing groove and an unfolding position fixing position groove, and the rotating fixing plate is embedded into the folding position fixing groove or the unfolding position fixing position groove; one end of a back seat connecting bar is hinged to the folding pair of the main four-bar mechanism, the other end of the back seat connecting bar is hinged to one end of an auxiliary four-bar mechanism, and the other end of the auxiliary four-bar mechanism is connected with the back seat. By means of the double-seat folding mechanism, the large folding length is achieved, and therefore a folded vehicle body is smaller and more exquisite and easier to store.


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    Title :

    Double-seat folding mechanism


    Contributors:
    ZHAO FENG (author) / ZHAI LIANG (author)

    Publication date :

    2015-04-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62K Fahrräder , CYCLES



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