The invention discloses a backrest adjusting assembly which comprises an adjusting belt, an adjusting buckle, a backrest frame and a support body. The backrest frame is hinged to the support body, and at least one adjusting buckle is arranged in the side direction of the backrest frame and fixedly connected with the support body. One part of the adjusting belt is fixedly connected with the bracket body through the adjusting buckle, and the other part of the adjusting belt is connected with the backrest frame; during adjustment, the adjusting buckle is unlocked, the adjusting belt and the adjusting buckle can move relatively, and the length of the part, connected with the backrest frame, of the adjusting belt is adjusted so that the adjusting belt can drive the backrest frame to rotate relative to the support body; during fixing, the adjusting buckle is locked, the adjusting belt and the adjusting buckle are relatively fixed, and the adjusting belt limits relative rotation of the backrest frame and the support body. The invention further discloses a seat structure and a cart. The inclination angle of the backrest can be conveniently adjusted.

    本申请公开了一种靠背调节组件,包括调节带、调节扣、靠背架和支架本体;所述靠背架与所述支架本体铰接,至少一个所述调节扣设置在所述靠背架的侧向并与所述支架本体固定连接;所述调节带的其中一部分通过所述调节扣与所述支架本体固定连接,所述调节带的另外一部分与所述靠背架连接;调节时,所述调节扣解锁,所述调节带与所述调节扣可相对活动,调节所述调节带与所述靠背架连接的部分的长度使得所述调节带带动所述靠背架相对于所述支架本体转动;固定时,所述调节扣锁定,所述调节带与所述调节扣相对固定,所述调节带限制所述靠背架与所述支架本体相对转动。本申请还公开了一种座椅结构及推车。本申请能够方便调节靠背倾角。


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    Title :

    Backrest adjusting assembly, seat structure and cart


    Additional title:

    一种靠背调节组件、座椅结构及推车


    Contributors:
    TAN BIN (author) / GUO FUZHONG (author)

    Publication date :

    2022-03-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS



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