The present invention is a vehicle lower body frame structure which supports a lower part of a vehicle cabin (1) where front seats (7) and a rear seat (11) are disposed, the structure including: a pair of side members (19) disposed under the vehicle cabin on both sides in a vehicle width direction and extending along a vehicle front-rear direction; a front seat cross member (29) provided so as to extend along the vehicle width direction on a lower side of the front seats and coupling together the side members; a rear seat cross member (31) provided so as to extend along the vehicle width direction on a lower side of the rear seat and coupling together the side members on a rear side of the front seat cross member; and coupling members (45) provided so as to extend along the vehicle front-rear direction further on an inner side in the vehicle width direction than the side members and coupling together the front seat cross member and the rear seat cross member, wherein the front seat cross member and the rear seat cross member have a branch structure, with portions thereof on both end sides in the vehicle width direction each forked into a front-side branch and a rear-side branch in the vehicle front-rear direction.
VEHICLE LOWER BODY FRAME STRUCTURE
FAHRZEUGBODENSTRUKTUR
CARROSSERIE INFÉRIEUR CADRE STRUCTURE
2018-05-09
Patent
Electronic Resource
English
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |