The invention relates to a front windshield cross beam, a vehicle body front end assembly and a vehicle, the front windshield cross beam comprises a cross beam buffer plate and a cross beam supporting plate which are connected, the cross beam buffer plate has first rigidity, the cross beam supporting plate has second rigidity, the first rigidity is smaller than the second rigidity, and the second rigidity is smaller than the first rigidity. And the cross beam buffer plate is positioned above the cross beam supporting plate. The cross beam buffering plate and the cross beam supporting plate form a buffering layer and supporting layer two-layer gradient design structure, the cross beam buffering plate serving as the first buffering layer can absorb collision energy to deform and collapse, head injuries of pedestrians are reduced to the maximum extent, and the requirements of pedestrian collision laws and regulations are met; the cross beam supporting plate serves as a second supporting layer, the dynamic stiffness and the modal of the front windshield cross beam are improved, the stiffness requirement and the modal requirement of NVH on the front windshield cross beam can be met, and therefore the front windshield cross beam integrates the pedestrian safety performance and the NVH performance.
本发明涉及一种前风挡横梁、车身前端总成和车辆,其中,前风挡横梁包括相连接的横梁缓冲板和横梁支撑板,所述横梁缓冲板具有第一刚度,所述横梁支撑板具有第二刚度,所述第一刚度小于所述第二刚度,所述横梁缓冲板位于所述横梁支撑板的上方。本发明的横梁缓冲板和横梁支撑板形成了缓冲层与支撑层两层梯度设计结构,横梁缓冲板作为第一层缓冲层能够吸收碰撞能量变形溃缩最大限度降低行人的头部伤害,满足行人碰撞法规要求;横梁支撑板作为第二层支撑层,提高了前风挡横梁的动刚度以及模态,能满足NVH对前风挡横梁的刚度要求和模态要求,因此,本申请的前风挡横梁了兼顾行人安全性能和NVH性能。
Front windshield cross beam, vehicle body front end assembly and vehicle
一种前风挡横梁、车身前端总成和车辆
2025-03-07
Patent
Electronic Resource
Chinese
Front windshield cross beam assembly, vehicle body structure and vehicle
European Patent Office | 2023
|Transport vehicle for front windshield lower cross beam body assembly
European Patent Office | 2023
|Front windshield lower cross beam assembly of non-bearing type vehicle body
European Patent Office | 2021
|