The invention relates to a rear-row seat for preventing a head and a neck from being injured by rear collision. The seat comprises a seat backrest and a headrest, wherein the headrest includes a headrest part and a rod part for supporting the headrest part. A shell of a cavity is fixedly connected to an internal framework of the seat backrest, a gas generator and a piston are arranged in the cavity, an upper end of the gas generator is connected with a lower end of the rod part of the headrest, and the piston is positioned in the cavity at the lower end of the gas generator. The rear-row seatis sensitive in action and provided with a whiplash prevention mechanism capable of effectively preventing passengers from whiplash injury, and problems that an existing whiplash prevention device isinsensitive in action and poor in protection effect are solved.
本发明涉及一种用于避免后部碰撞伤害头颈的后排座椅,包括座椅靠背和头枕,所述的头枕包括枕部和支撑枕部的杆部,所述的座椅靠背内部骨架上固定连接腔体的外壳,所述的腔体内有气体发生器和活塞,所述的气体发生器的上端与所述头枕的杆部的下端连接,所述的活塞位于气体发生器的下端的腔体内。本发明的后排座椅动作灵敏、具有能有效的使乘员免受挥鞭伤的防鞭打机构,解决了现有的防鞭打装置动作不灵敏,防护效果差的问题。
Rear-row seat for preventing head and neck from being injured by rear collision
一种用于避免后部碰撞伤害头颈的后排座椅
2020-09-04
Patent
Electronic Resource
Chinese
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