The invention discloses a seat body with expandable side wings and a child safety seat. The seat body comprises a seat and a seat back; the inner side of the seat back is provided with a liftable headrest; the seat back comprises a seat back main body fixed to the seat and two side wings, and a shaft connection point is arranged between the lower end of each side wing and the seat; two guide columns are arranged on the back surface of the headrest; two parallel linear grooves for the guide columns to slide up and down are formed in the seat back main body; each side wing comprises a seat back side part and a side wing part, a section of inclined guide groove which is inclined inwards is formed in each seat back side part, and the guide columns penetrate through the linear grooves and the inclined guide grooves respectively; when the guide columns ascend along the linear grooves and the inclined guide grooves along with the headrest, the side wings rotate towards the outer side with the shaft connection points as the center, then the two side wings are unfolded relative to the two side directions of the seat back main body, the height of the headrest is increased, the width of the seat body is increased, and the seat body is suitable for growth changes of children and has high practicability. Meanwhile, the operation is synchronously completed, so that the operability is higher, and the user experience is improved.

    本发明公开了侧翼可展开的椅体及儿童安全座椅,包括椅座和椅背,椅背的内侧设有可升降的头枕;椅背包括与椅座固定的椅背主体及两个侧翼,侧翼的下端与椅座之间设有一轴接点;头枕的背面设有两个导向柱,椅背主体上设有两条平行的供导向柱上下滑动的直线槽;侧翼包括椅背侧部及边翼部,椅背侧部上设有一段向内倾斜的倾斜导槽,导向柱分别穿过直线槽和倾斜导槽;导向柱跟随头枕沿着直线槽和倾斜导槽上升时,侧翼以该轴接点为中心向外侧转动,进而使两侧翼相对于椅背主体的两侧方向展开,从而使得头枕高度增加的同时椅体宽度变宽,适应儿童的生长变化,具有较强的实用性,同时操作同步完成具有更强的操作性,提高用户的使用体验感。


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    Title :

    Seat body with expandable side wings and child safety seat


    Additional title:

    侧翼可展开的椅体及儿童安全座椅


    Contributors:
    LAN XIAOYAN (author) / DING PENGFEI (author) / ZHAO CHUNGENG (author)

    Publication date :

    2021-07-06


    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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