Mazda Motor Corporation

Hiroshi Matsubara

Takashi Narahara

Shuichi Nakagami

Shigeru Nakauchi

Masanobu Hanazaki

Kentaro Nomura

Yohei Izumi

Toshio Kimura

Kinya Sakaguchi

Kouki Sato

Yosuke Yabumoto

Katsuhisa Miyoshi

Kouki Satou

Sho Kurokawa

The support stiffness of a suspension supporting portion can be improved to reduce floor vibration. Arm front-end supporting portions, each supporting a front end portion of a trailing of a rear suspension, are formed on lower portions of rear frames extending in a vehicle longitudinal direction, and each include a squared U-shape portion including outer, inner and front wall portions, with a rear side being open when viewed from the bottom, and an extending outer wall portion extending from the outer wall portion to in front of the front wall portion. The outer wall portion and extending outer wall portion are formed by a side sill inner portion joined to each rear side frame. Also, each arm front-end supporting portion includes an extending inner wall portion extending from the inner wall portion to in front of the front wall portion and joined to each of the rear side frames.

Lower vehicle-body structure of vehicle

A side body structure of a vehicle is provided, which includes a hinge pillar extending in vertical directions of the vehicle, a hinge reinforcement disposed in the hinge pillar, and a reinforcing member disposed in the hinge pillar and extending in the vertical directions. The hinge reinforcement is provided with an overlapping section provided on a rear side of a portion of the reinforcing member and overlapping in the vertical directions with the portion when viewed from a vehicle front side.

Side body structure of vehicle

Growing community of inventors

Hiroshima, Japan

Hiroshi Matsubara