The invention discloses an automobile front cover with both rigidity and active pedestrian protection, which comprises a front cover inner plate and a front cover outer plate arranged on the upper side of the front cover inner plate, a cavity is arranged between the front cover inner plate and the front cover outer plate, and a plurality of rigidity-variable support mechanisms are arranged in the cavity; each variable-rigidity supporting mechanism comprises an elastic supporting piece, a rack and a locking assembly. The lower end of the elastic supporting piece is connected with the front cover inner plate, and the upper end and the lower end of the rack are connected with the front cover outer plate and the elastic supporting piece respectively. The locking assembly comprises an installation support, a gear and ratchet wheel composite body, a pawl and a driving assembly, and the installation support is connected with the front cover inner plate. The rigidity of the front cover outer plate and active pedestrian protection can be guaranteed at the same time, after the active pedestrian protection function is triggered, the front cover outer plate can be restored to the normal use state again, repeated use can be achieved, the after-sale cost can be reduced, meanwhile, the front cover outer plate can be applied to various vehicle types, and universality is high.
本发明公开了一种兼顾刚性及主动行人保护的汽车前罩,包括前罩内板以及设置在所述前罩内板的上侧的前罩外板,所述前罩内板与所述前罩外板之间具有空腔,所述空腔内设置有多个可变刚度支撑机构;多个所述可变刚度支撑机构均包括弹性支撑件、齿条以及锁止组件;所述弹性支撑件的下端与所述前罩内板连接,所述齿条的上下两端分别与所述前罩外板以及弹性支撑件连接;所述锁止组件包括安装支架、齿轮棘轮复合体、棘爪以及驱动组件,所述安装支架与所述前罩内板连接。本发明能够兼顾保证前罩外板刚性以及主动行人保护,触发主动行人保护功能后能够再次复原为正常使用状态,能够反复使用,从而能够降低售后成本,同时还能够应用于多种车型,通用性高。
Automobile front cover giving consideration to rigidity and active pedestrian protection
兼顾刚性及主动行人保护的汽车前罩
2023-02-24
Patent
Electronic Resource
Chinese
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