The invention relates to the technical field of automobile seats, and discloses a leg support driving mechanism and an automobile seat, the leg support driving mechanism is arranged on the automobile seat and can drive a leg support to extend outwards or retract inwards on the automobile seat, the leg support driving mechanism comprises a mounting frame, a driving mechanism and a driving mechanism, an output shaft of the motor is provided with a telescopic motion piece capable of performing telescopic motion along the output shaft; the bearing frame is arranged on the mounting frame in a sliding manner; the connecting rod assembly comprises a first connecting rod, a second connecting rod and a third connecting rod which are hinged in sequence, and the second connecting rod is longer than the first connecting rod; the motor can drive the bearing frame to do telescopic motion relative to the mounting frame through the connecting rod assembly, and the motion stroke of the bearing frame is larger than that of the telescopic motion piece. The automobile seat leg support has the advantages that the stroke of the automobile seat leg support is amplified through the connecting rod assembly, a high-speed motor does not need to be replaced, a lead screw does not need to be prolonged, cost is low, and the structure is simple.

    本发明涉及汽车座椅技术领域,公开一种腿托驱动机构及汽车座椅,该腿托驱动机构配置于汽车座椅上,且可驱使腿托在汽车座椅上向外伸展或者向内回收,腿托驱动机构包括:安装架,其上设有电机,且电机的输出轴上设有一可沿输出轴伸缩运动的伸缩运动件;承重架,可滑动地设置在安装架上;连杆组件,包括依次铰接的第一连杆、第二连杆和第三连杆,第二连杆的长度大于第一连杆的长度;电机可通过连杆组件驱动承重架相对于安装架做伸缩运动,且承重架的运动行程大于伸缩运动件的运动行程。本发明的优点在于,通过连杆组件将汽车座椅上腿托的行程放大,无需更换高速电机、且无需延长丝杠,实现成本低且结构简单。


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    Titel :

    Leg support driving mechanism and automobile seat


    Weitere Titelangaben:

    一种腿托驱动机构及汽车座椅


    Beteiligte:
    WU YUNCHUN (Autor:in) / YAO LI (Autor:in) / ZHANG HUI (Autor:in)

    Erscheinungsdatum :

    2024-02-06


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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