The invention discloses a head protection safety air bag which is installed in a seat backrest and comprises an air bag body and an air generator, and the air generator is used for inflating air into the air bag body so that the air bag body can be rapidly unfolded and protect the head of a passenger. The air bag comprises an arc-shaped air guide bag body and a round cap-shaped head protection bag body communicated with the arc-shaped air guide bag body, and the arc-shaped air guide bag body is unfolded towards the upper portion of the rear side of a seat backrest in the posture of being tightly attached to the rear side face of the seat backrest and crosses over a seat headrest after the air generator is inflated with air. The arc-shaped air guide bag body guides air into the round-cap-shaped head protection bag body, so that the round-cap-shaped head protection bag body is unfolded and wraps the periphery of the head of a passenger. The invention further discloses an automobile seat comprising the head protection safety air bag. The head protection device can protect the head of a passenger during front collision in a wide-angle lying posture, and can also be used for multi-directional protection after a seat rotates.
本发明公开的一种头部保护安全气囊,其安装在座椅靠背内,包括气袋以及气体发生器,所述气体发生器用于向所述气袋内充入气体,使得所述气袋迅速展开并保护乘员的头部;所述气袋包括弧形导气袋体以及与所述弧形导气袋体连通的圆帽形头部保护袋体,所述弧形导气袋体在所述气体发生器充入气体后以紧贴于座椅靠背的后侧面的姿态向座椅靠背的后侧上方展开并越过座椅头枕,所述弧形导气袋体向所述圆帽形头部保护袋体导入气体,使得所述圆帽形头部保护袋体展开并对乘员头部的周围进行包裹。还公开了一种包括上述头部保护安全气囊的汽车座椅。本发明不仅在大角度躺姿下前碰撞时对乘员头部的保护,也可以用于座椅旋转后的多向保护。
Head protection safety air bag and automobile seat comprising same
一种头部保护安全气囊及包括该气囊的汽车座椅
2025-03-04
Patent
Electronic Resource
Chinese
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |