The invention provides a vehicle body frame structure which ensures indoor space and improves rigidity of a transmission device supporting part. A vehicle body frame structure (F) including a tunnel side frame (200) includes: a cross beam floor front portion (230) disposed at a vehicle front end portion of a floor tunnel portion (FT); the cross section shape in the vehicle width direction is formed by an inclined part (SL1) from the bottom of the vehicle to the inner upper part in the vehicle width direction, an inclined part (SL2) from the upper part of the vehicle of the inclined part (SL1) to the outer upper part in the vehicle width direction, and an inclined part (SL3) from the upper part of the vehicle of the inclined part (SL2) to the inner upper part in the vehicle width direction; and a transmission cross member (240) on which the transmission part (30) is mounted and fixed, the transmission cross member (240) being fixed to the cross member floor front part (230) on the vehicle upper side of the inclined part (SL1).
本发明提供确保室内空间并提高传动装置支撑部的刚性的车体框架结构。在包括通道侧架(200)的车体框架结构(F)中,包括:横梁地板前部(230),其配设在地板通道部(FT)的车辆前方端部,具有形成有从车辆底部向车宽方向内侧上方的倾斜部(SL1)、从倾斜部(SL1)的车辆上方部向车宽方向外侧上方的倾斜部(SL2)、以及从倾斜部(SL2)的车辆上方部向车宽方向内侧上方的倾斜部(SL3)的车宽方向截面形状;以及传动装置横梁(240),其载置固定传动装置部(30),其中,传动装置横梁(240)在倾斜部(SL1)的车辆上方侧与横梁地板前部(230)固定。
Vehicle body frame structure
车体框架结构
18.06.2024
Patent
Elektronische Ressource
Chinesisch
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |