The invention discloses an automobile seat backrest lock which comprises a spring bolt and a connecting rod mechanism and further comprises an operation part for driving the connecting rod mechanism to act. The connecting rod mechanism comprises a first connecting rod part, a second connecting rod part and a third connecting rod part which are hinged in sequence, and the first connecting rod part and the third connecting rod part can also rotate around additionally arranged hinge points respectively; and when the third connecting rod part is located at the locking position, the third connecting rod part and the spring bolt are locked in a matched mode, the operating part drives the connecting rod mechanism to act, and the third connecting rod part moves along with the connecting rod mechanism to be separated from the spring bolt. According to the backrest lock, the spring bolt is driven to be unlocked through the linkage action of the connecting rod mechanism, driving of the connecting rod mechanism is reliable and easy to control, the structure is relatively simple, a complex driving mechanism does not need to be arranged, and cost can be reduced.

    本发明公开一种汽车座椅靠背锁,靠背锁包括锁舌、连杆机构,还包括驱动所述连杆机构动作的操作部;所述连杆机构包括依次铰接的第一连杆部、第二连杆部、第三连杆部,所述第一连杆部和所述第三连杆部还可分别绕另设的铰接点转动;处于锁止位时,所述第三连杆部和所述锁舌配合锁紧,所述操作部驱动所述连杆机构动作,所述第三连杆部随动而脱离所述锁舌。该靠背锁通过连杆机构的联动动作,带动锁舌解锁,连杆机构的驱动较为可靠,易于操控,且结构相对简单,无需设置复杂的驱动机构,可以降低成本。


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    Title :

    Backrest lock


    Additional title:

    靠背锁


    Contributors:
    DENG WEI (author) / YANG BEIKE (author) / ZHANG YING (author) / WANG CONG (author) / WANG XIUKONG (author)

    Publication date :

    2022-03-15


    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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