The invention provides an automobile seat backrest lock and an automobile seat comprising the same. The automobile seat backrest lock comprises: a shell; a sliding block slidably arranged on the inner wall surface of the shell, wherein a limiting part is arranged at the top end of the sliding block; and a locking cam which is rotatably mounted on the inner wall surface, wherein a cam main body of the locking cam extends outwards to form a first locking part, a first locking surface is formed between the first locking part and the edge of the cam main body of the locking cam, the latch hook cam and the tolerance cam are rotatably mounted on the inner wall surface in an up-and-down overlapping manner, a locking groove is formed in the latch hook cam, a latch hook part is formed on one side of the locking groove, the other side of the locking groove extends outwards along a main body of the latch hook cam to form a second locking part, one end of the elastic part is connected to the sliding block, and the other end is connected to the tolerance cam. The automobile seat backrest lock is suitable for the rear-row seat which does not need to adjust the angle of the backrest or needs to be put down by one key, and can absorb gaps caused by steel wire size or position tolerance through structural improvement, so that noise is eliminated.
本发明提供了一种汽车座椅靠背锁及包括其的汽车座椅,汽车座椅靠背锁包括:壳体;滑块可滑设在壳体的内壁面上,滑块的顶端设置有一限位部;锁止凸轮可转动地安装在内壁面上,锁止凸轮的凸轮主体向外延伸形成第一锁止部,第一锁止部与锁止凸轮的凸轮主体边缘之间形成第一锁止面;锁钩凸轮和容差凸轮上下叠加地可转动地安装在内壁面上,锁钩凸轮上设置有一锁止槽,锁止槽的一侧形成锁勾部,另一侧沿锁钩凸轮的主体向外延伸形成第二锁止部;弹性部件的一端连接在滑块上,另一端连接至容差凸轮。本发明适用于不需要调节靠背角度或者需要一键放倒的后排座椅,其通过结构改进,可以吸收钢丝尺寸或者位置公差带来的间隙,从而消除噪声。
Automobile seat backrest lock and automobile seat comprising same
汽车座椅靠背锁及包括其的汽车座椅
2021-04-13
Patent
Electronic Resource
Chinese
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |
Back row automobile seat backrest lock structure and automobile seat
European Patent Office | 2022
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