The invention belongs to the technical field of car seats, and discloses a car seat backrest framework assembly which comprises two sets of side frames arranged symmetrically and a supporting transverse column horizontally connected between the two sets of side frames in a sliding mode, and the supporting transverse column comprises two end seats connected to the two sets of side frames in a sliding mode respectively; the supporting roller is eccentrically and rotatably connected between the two end seats, and a rotation driving part used for driving the supporting roller to eccentrically rotate is arranged in at least one end seat. Wherein the number of the supporting transverse columns is at least two, at least one supporting transverse column is arranged in the convex lumbar spine supporting area, and at least one supporting transverse column is arranged in the concave shoulder supporting area. In conclusion, the supporting curve of the whole backrest framework can be flexibly and accurately adjusted by adjusting the surface supporting positions of the supporting rollers, and then it is guaranteed that the whole seat backrest framework can be flexibly suitable for comfortable supporting of passengers with different figures.

    本发明属于汽车座椅技术领域,公开了一种轿车座椅靠背骨架总成,包括对称设置的两组侧架及水平滑动连接于两组所述侧架之间的支撑横柱,且所述支撑横柱包括:分别滑动连接于两组侧架上的两个端座;以及偏心转动连接于两个端座之间的支撑辊,且至少一个所述端座内设有用于驱动所述支撑辊偏心旋转的转动驱动件。其中,所述支撑横柱至少设有两个,且至少有一个支撑横柱设置于外凸的腰脊柱支撑区域,至少有一个支撑横柱设置于凹陷的肩部支撑区域。综上,本发明通过调整各支撑辊的表面支撑位置即可灵活精准的调节整体靠背骨架的支撑曲线,进而保证整体座椅靠背骨架能灵活适用于不同身形乘坐者的舒适支撑。


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    Titel :

    Car seat backrest framework assembly


    Weitere Titelangaben:

    一种轿车座椅靠背骨架总成


    Beteiligte:
    DENG YANGYANG (Autor:in)

    Erscheinungsdatum :

    2023-06-06


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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