US 12,012,151 B2
Vehicle body rear part structure
Shungo Chino, Tokyo (JP); Yuya Akaba, Tokyo (JP); Toshihiro Yamaguchi, Tokyo (JP); Kyosuke Yamakita, Tokyo (JP); Yusuke Miura, Tokyo (JP); Dai Kamata, Tokyo (JP); Chihiro Sakagami, Tokyo (JP); Kosuke Fushimi, Tokyo (JP); Shohei Ohtsuka, Haga-gun (JP); and Hitomi Yamada, Haga-gun (JP)
Assigned to HONDA MOTOR CO., LTD., Tokyo (JP)
Filed by HONDA MOTOR CO., LTD., Tokyo (JP)
Filed on Jan. 26, 2022, as Appl. No. 17/584,424.
Claims priority of application No. 2021-021043 (JP), filed on Feb. 12, 2021.
Prior Publication US 2022/0258808 A1, Aug. 18, 2022
Int. Cl. B62D 25/08 (2006.01); B62D 21/15 (2006.01)
CPC B62D 25/08 (2013.01) [B62D 21/152 (2013.01); B62D 21/155 (2013.01); B62D 25/087 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A vehicle body rear part structure, comprising:
a rear frame that is provided on an outside in a vehicle width direction at a vehicle body rearward position and extends in a vehicle body front-to-rear direction; and
a beam member that is joined to a rear end part of the rear frame and protrudes in an arch shape toward a vehicle body rearward direction,
wherein the rear frame has:
a pair of first fragile parts formed as a pair on an inner wall at an inside in the vehicle width direction and an outer wall at an outside in the vehicle width direction in a region closest to the beam member; and
a pair of second fragile parts formed on the inner wall and the outer wall in a region that is separated by a predetermined distance to a vehicle body frontward direction from the first fragile part, and
the pair of first fragile parts are formed such that a first fragile part of the outer wall has a higher fragility than a first fragile part of the inner wall,
wherein the rear frame has:
a curved portion formed in a curved shape curved outward in the vehicle width direction toward a vehicle body frontward direction at a front part connected to a side sill provided at a vehicle body frontward position of the rear frame.