US 11,987,293 B2
Vehicle body structure
Shota Tsubaki, Kobe (JP); Kenichi Watanabe, Kobe (JP); Kazuya Yasui, Kobe (JP); and Masatoshi Yoshida, Kobe (JP)
Assigned to KOBE STEEL, LTD., Hyogo (JP)
Appl. No. 17/299,089
Filed by KOBE STEEL, LTD., Hyogo (JP)
PCT Filed Jan. 7, 2020, PCT No. PCT/JP2020/000136
§ 371(c)(1), (2) Date Jun. 2, 2021,
PCT Pub. No. WO2020/149170, PCT Pub. Date Jul. 23, 2020.
Claims priority of application No. 2019-004880 (JP), filed on Jan. 16, 2019.
Prior Publication US 2022/0063731 A1, Mar. 3, 2022
Int. Cl. B62D 25/20 (2006.01); B60K 1/04 (2019.01); B62D 25/02 (2006.01)
CPC B62D 25/2036 (2013.01) [B60K 1/04 (2013.01); B62D 25/025 (2013.01); B60K 2001/0438 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A vehicle body structure comprising:
a battery disposed in a lower central part of a vehicle body;
a side sill extending in a vehicle front-rear direction and disposed outside the battery in a vehicle width direction, the side sill being hollow; and
a reinforcing member configuring at least a part of a continuous tubular structure formed inside the side sill, wherein
the continuous tubular structure has a shape in which a plurality of closed cross sections each having a polygonal shape are continuously arranged as viewed from the vehicle width direction;
each of the plurality of closed cross sections is a polygon having a pair of opposing sides extending in the vehicle width direction and a height;
adjacent pairs of the polygons share one of the opposing sides; and
the continuous tubular structure consists of a single row of the polygons with said height extending in the vehicle front-rear direction.