The invention discloses a telescopic step-by-step layered buffering vehicle bumper, and belongs to the field of vehicle bumpers. The bumper comprises a bumper shell assembly, an energy absorption block, a bumper beam, a bumper support, a first-stage buffer mechanism, a second-stage buffer mechanism, a valve base assembly and a bearing plate. The primary buffer mechanism comprises a first support,a second support and a plurality of spiral springs; the first-stage buffer mechanism can ensure that the bumper absorbs energy during torsional vibration rotation. Therefore, overlarge torsional vibration and impact amplitude in impact are attenuated; a common amplitude value of a resonance region in impact is inhibited and a large torque is transmitted; even if the collision direction of the external force is uncertain, when the vehicle bumper is collided, multi-stage buffering can be carried out through the two-stage buffering mechanism, that is to say, the two-stage buffer mechanism can convert the vertical impact load into the horizontal transverse impact load, and can buffer the horizontal transverse impact load to play an important role in improving the impact energy absorption effect, improving the vehicle collision safety and protecting pedestrians.
本发明的一种可伸缩式逐级分层缓冲汽车保险杠,属于汽车保险杠领域;包括保险杠外壳组合件、吸能块、保险杠横梁、保险杠支架、一级缓冲机构、二级缓冲机构、阀座组件、承接板;一级缓冲机构包括第一支座、第二支座、以及多个螺旋弹簧;一级缓冲机构能够保证保险杠扭振转动时吸收能量,从而衰减冲击中过大的扭振和冲击幅值,并抑制冲击中共振区的共振幅值和传递大的扭矩,即使外力碰撞方向的不确定的情况下,也能使得汽车保险杆在受到碰撞时通过二级缓冲机构进行多级缓冲,即二级缓冲机构能够将垂直冲击载荷转换为水平横向的冲击载荷,并能缓冲水平横向的冲击载荷为提高冲击能量吸收作用,提高汽车碰撞安全与行人保护将起到重要作用。
Telescopic step-by-step layered buffering vehicle bumper
一种可伸缩式逐级分层缓冲汽车保险杠
2020-04-14
Patent
Electronic Resource
Chinese
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |