US 12,291,276 B2
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. 17/940,009.
Application 17/940,009 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 2023/0114224 A1, Apr. 13, 2023
Int. Cl. B62D 25/20 (2006.01); B60K 1/04 (2019.01); B60N 2/005 (2006.01); B62D 21/17 (2006.01)
CPC B62D 25/2018 (2013.01) [B62D 25/20 (2013.01); B62D 25/2009 (2013.01); B60K 1/04 (2013.01); B60K 2001/0438 (2013.01); B60N 2/005 (2013.01); B62D 21/17 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A vehicle-body structure provided in an automobile, the 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 and extending in a vehicle front-rear direction;
a cross structure extending in a vehicle width direction and intersecting the center frame in a plan view in the occupant space, wherein the cross structure has an opened sectional structure that is opened downward and is fixed to an upper surface of the floor panel, and a closed cross-section is constituted by the cross structure and the floor panel;
a connecting structure extending upward from the cross structure, having an upper portion fixed to the center frame, and connecting the center frame to the cross structure, wherein
the connecting structure includes a first connecting structure and a second connecting structure separately disposed on a vehicle rear side from the first connecting structure,
the cross structure includes a first cross structure and a second cross structure separately disposed on the vehicle rear side from the first cross structure,
a lower portion of the first connecting structure is fixed to the first cross structure, and
a lower portion of the second connecting structure is fixed to the second cross structure; and
a seat rail supporting the seat, wherein the seat rail is attached to the first cross structure and the second cross structure, wherein the seat rail extends from the first cross structure to the second cross structure, a front portion of the seat rail is attached to the first cross structure, and a rear portion of the seat rail is attached to the second cross structure.