The invention discloses a chair back assembly which comprises a backrest, a headrest and side wings, the headrest is slidably mounted at the upper end of the backrest, the side wings are arranged on the side edges of the backrest and can be unfolded and folded relative to the backrest, and the chair back assembly further comprises a driving part which is arranged on the backrest or the headrest and moves relative to the backrest along with the headrest. The headrest is at least provided with an initial position close to the backrest relative to the backrest and an action position driving the side wings to be unfolded relative to the backrest, and the side wings are folded on the backrest when the headrest slides to the position between the initial position and the action position. The driving piece drives the side wings to be unfolded relative to the backrest when the headrest slides in the direction away from the backrest and crosses the action position. The chair back assembly has the advantage of being simple in structure. In addition, the invention further discloses a child safety seat.

    本发明公开了一种椅背组件,其包括背靠、头靠及侧翼,头靠可滑动地安装于背靠的上端,侧翼设于背靠的侧边并可相对背靠做展收运动,椅背组件还包括设于背靠或头靠上并跟随头靠一起相对背靠运动的驱动件,头靠相对背靠至少具有一靠近背靠的初始位置及一带动侧翼相对背靠展开的动作位置,侧翼在头靠滑移至位于初始位置与动作位置之间的位置时收合于背靠上,驱动件在头靠沿远离背靠的方向滑移并越过动作位置时驱使侧翼相对背靠展开。本发明的椅背组件具有结构简单的优点。另,本发明还公开了一种儿童安全座椅。


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    Title :

    Child safety seat and seat back assembly thereof


    Additional title:

    儿童安全座椅及其椅背组件


    Contributors:
    CHEN HONGBO (author)

    Publication date :

    2022-04-12


    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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