Disclosed is a lower cross member of a vehicle. The lower cross member includes a core member configured to be disposed on a vehicle floor so as to extend in a width direction of the vehicle, to be formed of a composite material including unidirectional carbon fiber or bidirectional carbon fiber, and to have a cross-section including at least one closed curve, a lower layer configured to extend in an extending direction of the core member, to be disposed between the core member and the vehicle floor, and to be formed of a composite material including a first multi-axial glass fabric, and an upper layer configured to extend in the extending direction of the core member, to be disposed on an upper surface of the core member, and to be formed of a composite material including a second multi-axial glass fabric.
本发明公开了一种车辆的下横梁。所述下横梁包括芯部构件、下层和上层,所述芯部构件构造为布置在车辆地板上,以便在车辆的宽度方向上延伸,由包括单向碳纤维或双向碳纤维的复合材料形成,并且具有包括至少一个闭合曲线的截面;所述下层构造为在芯部构件的延伸方向上延伸,布置在芯部构件与车辆地板之间,并且由包括第一多轴向玻璃纤维织物的复合材料形成;所述上层构造为在芯部构件的延伸方向上延伸,布置在芯部构件的上表面上,并且由包括第二多轴向玻璃纤维织物的复合材料形成。
LOWER CROSS MEMBER OF VEHICLE
车辆的下横梁
2021-06-18
Patent
Elektronische Ressource
Chinesisch