The invention relates to a motor vehicle crumple energy absorption type seat backrest which comprises a backrest framework and a backrest steel plate, the backrest steel plate is connected to the backrest framework in a positioning mode through at least two positioning pins, the backrest steel plate is further clamped and fixed to the backrest framework through plastic buckles, and a supporting spring is installed on the backrest framework. The supporting spring is connected with the backrest steel plate in a clamped mode through a metal buckle, and the overall connection strength of the plastic buckle is 650-750 N impact force resistance. Under the rear-end collision working condition, on the premise that the original trunk protection performance of the rear-row seat backrest is not affected, neck injuries of rear-row passengers can be effectively reduced.
本发明涉及一种机动车溃缩吸能式座椅靠背,包括靠背骨架和靠背钢板,靠背钢板通过至少两只定位销定位连接在靠背骨架上,靠背钢板还通过塑料卡扣卡接固定在靠背骨架上,在靠背骨架上安装有支撑弹簧,支撑弹簧通过金属卡扣与靠背钢板卡接,所述塑料卡扣的整体连接强度为抗650~750N的冲击力。本发明在追尾工况中,在不影响后排座椅靠背原有的行李箱防护性能的前提下,能够有效降低后排乘员的颈部伤害。
Crumple energy-absorbing seat backrest of motor vehicle
机动车溃缩吸能式座椅靠背
2022-04-05
Patent
Electronic Resource
Chinese
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |