US 12,291,271 B2
Electric-vehicle-body structure having a center frame that is higher than a floor panel
Takuma Inami, Hiroshima (JP); Nobuyuki Nakayama, Hiroshima (JP); and Hiroyuki Baba, Hiroshima (JP)
Assigned to MAZDA MOTOR CORPORATION, Hiroshima (JP)
Filed by Mazda Motor Corporation, Hiroshima (JP)
Filed on Sep. 8, 2022, as Appl. No. 17/940,013.
Application 17/940,013 is a continuation of application No. 17/938,966, filed on Sep. 7, 2022.
Claims priority of provisional application 63/403,872, filed on Sep. 6, 2022.
Claims priority of application No. 2021-161834 (JP), filed on Sep. 30, 2021; application No. 2021-183238 (JP), filed on Nov. 10, 2021; application No. 2021-183245 (JP), filed on Nov. 10, 2021; application No. 2021-183251 (JP), filed on Nov. 10, 2021; application No. 2021-183312 (JP), filed on Nov. 10, 2021; and application No. 2021-183323 (JP), filed on Nov. 10, 2021.
Prior Publication US 2023/0103246 A1, Mar. 30, 2023
Int. Cl. B62D 21/17 (2006.01); B60H 1/00 (2006.01); B62D 25/20 (2006.01); B60K 1/04 (2019.01); B60N 2/005 (2006.01)
CPC B62D 21/17 (2013.01) [B60H 1/00564 (2013.01); B62D 25/20 (2013.01); B62D 25/2009 (2013.01); B62D 25/2018 (2013.01); B60K 1/04 (2013.01); B60K 2001/0438 (2013.01); B60N 2/005 (2013.01); B62D 25/2045 (2013.01)] 6 Claims
OG exemplary drawing
 
1. An electric-vehicle-body structure provided in an electric vehicle including a traveling motor and a battery section that supplies electric power to the traveling motor, the electric-vehicle-body structure comprising:
a floor panel constituting a floor of an occupant space including a seat on which a passenger sits;
a center frame disposed to be higher than and away from the floor panel at a vehicle-width-direction central portion of the occupant space, extending in a vehicle front-rear direction, and including, at a vehicle-front-rear-direction intermediate portion, a bend portion that bends in an up-down direction; and
a connecting structure extending from the bend portion toward the floor panel, having a lower portion fixed to the floor panel, and connecting the bend portion to the floor panel, wherein
the center frame includes a front-side frame structure extending in the vehicle front-rear direction, and a rear-side frame structure disposed on a vehicle rear side of the front-side frame structure and extending toward a vehicle rear side at a tilt angle different from a tilt angle of the front-side frame structure,
the bend portion is constituted by a connection part between the front-side frame structure and the rear-side frame structure,
the center frame includes a connection structure connecting a rear portion of the front-side frame structure and a front portion of the rear-side frame structure,
an upper portion of the connecting structure is fixed to the connection structure,
the front-side frame structure and the rear-side frame structure have tubular shapes extending in the vehicle front-rear direction, and
the connection structure has a tubular shape connecting the rear portion of the front-side frame structure and the front portion of the rear-side frame structure to allow communication between the portions.