US 11,993,313 B2
Lower structure of vehicle
Hirotaka Natsume, Hiroshima (JP); Kazuhiro Kageyama, Hiroshima (JP); Daisuke Tsuji, Hiroshima (JP); Shuang Gao, Hiroshima (JP); and Yoshie Nishimoto, Hiroshima (JP)
Assigned to MAZDA MOTOR CORPORATION, Hiroshima (JP)
Filed by MAZDA MOTOR CORPORATION, Hiroshima (JP)
Filed on Apr. 1, 2022, as Appl. No. 17/711,276.
Claims priority of application No. 2021-087359 (JP), filed on May 25, 2021.
Prior Publication US 2022/0379967 A1, Dec. 1, 2022
Int. Cl. B62D 25/20 (2006.01); B60K 1/04 (2019.01); B60L 3/00 (2019.01); B62D 21/15 (2006.01); B62D 25/02 (2006.01)
CPC B62D 25/2036 (2013.01) [B60K 1/04 (2013.01); B60L 3/0007 (2013.01); B62D 21/157 (2013.01); B62D 25/025 (2013.01); B60K 2001/0438 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A lower structure of a vehicle, comprising:
a pair of side sills provided at both outward sides, in a vehicle width direction, of a vehicle body and extending in a vehicle longitudinal direction;
first and second battery units provided below a floor panel on respective inward sides, in the vehicle width direction, of and adjacently to the side sills, the first and second battery units being spaced apart from each other in the vehicle width direction; and
a connecting member interconnecting the first and second battery units,
wherein said connecting member comprises a vehicle-width-direction connection portion to interconnect said first and second battery units so as to transmit a load, in the vehicle width direction, therebetween and plural deformation promotion portions provided adjacently to said vehicle-width-direction connection portion so as to cause deformation at the vehicle-width-direction connection portion when receiving the load caused by a vehicle side collision, and
wherein each of said plural deformation promotion portions comprises a front part and a rear part which are respectively located on a forward side and a rearward side, in the vehicle longitudinal direction, of said vehicle-width-direction connection portion at the same position, in the vehicle width direction, of the connecting member.