US 12,428,067 B2
Vehicle-body lower structure of vehicle
Ippei Kuroda, Hiroshima (JP); and Masaya Nishimoto, Hiroshima (JP)
Assigned to MAZDA MOTOR CORPORATION, Hiroshima (JP)
Filed by Mazda Motor Corporation, Hiroshima (JP)
Filed on Mar. 23, 2023, as Appl. No. 18/125,125.
Claims priority of application No. 2022-083944 (JP), filed on May 23, 2022.
Prior Publication US 2023/0373566 A1, Nov. 23, 2023
Int. Cl. B62D 25/02 (2006.01); B62D 21/15 (2006.01); B62D 27/02 (2006.01); B62D 25/04 (2006.01)
CPC B62D 25/025 (2013.01) [B62D 21/15 (2013.01); B62D 27/023 (2013.01); B62D 25/04 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A vehicle-body lower structure of a vehicle comprising:
a side sill that is disposed in a lower part and on an outer side in a vehicle width direction of a vehicle and has a side sill inner structure located on an inner side in the vehicle width direction and a side sill outer structure located on the outer side in the vehicle width direction and having a front end part and a main body part, the side sill inner structure and the side sill outer structure collaborating with each other to form a closed cross section that extends in a front-rear direction of the vehicle;
a wheel that is located ahead of the side sill outer structure in the front-rear direction of the vehicle; and
an outer-side reinforcement structure that has a shape extending along a front face part and a side face part in the front end part of the side sill outer structure, wherein
the outer-side reinforcement structure is attached to the front end part from inside the closed cross section or from outside the closed cross section,
a front end of the main body part is opposed to a rear end of the side face part of the outer-side reinforcement structure in the front-rear direction of the vehicle, and
the main body part is disposed closer to the side face part of the front end part than the rear end of the side face part of the outer-side reinforcement structure in the vehicle width direction, and has a protrusion part that protrudes to a side opposite the side of the side face part of the front end part relative to the rear end.