Mazda Motor Corporation

Takahiro Aonuma

Takashi Narahara

Ken Fujimoto

Masaya Nishimoto

Kazuto Ishii

Hiroto Kido

Morihide Yamada

Nobuhiko Yokoyama

Atsushi Kawamoto

Hiroaki Fujii

Shin Sasaki

Takehito Kobayashi

Taiga Kamikawaji

Minoru Inoue

Tatsuo Nozaki

Minoru Konishi

Provided is a frame structure of a vehicle comprising a front side frame; a reinforcing member disposed in a closed cross section; and an inner bead portion which is formed from a plurality of ridgelines extending vertically on a side wall of the front side frame and projects inwardly into the closed cross section, in which the side wall has the front inclined planar portion which includes a line connecting the upper end portion of the intermediate ridgeline with the middle portion of the front ridgeline; and the rear inclined planar portion which includes a line connecting the upper end portion of the intermediate ridgeline with the middle portion of the rear ridgeline, and the reinforcing member is joined to the front proximal portion and the rear proximal portion of the intermediate ridgeline, which are the front and rear inclined planar portions.

Frame structure of vehicle

A side body structure of a vehicle is provided, which includes a hinge pillar having a hinge pillar member forming, in a side part of the vehicle, a closed section space extending continuously in vertical directions of the vehicle, a side sill having a side sill member forming, on a rear side of the hinge pillar in the side part of the vehicle, a closed section space extending continuously in longitudinal directions of the vehicle, and a closed section space component forming, in a connecting part between a lower end part of the hinge pillar and a front end part of the side sill, a closed section space extending continuously in the longitudinal directions and connecting to the closed section space of the side sill on the rear side, the closed section space of the closed section space component having a vertical dimension that increases toward a front side.

Side body structure of vehicle

In a lower vehicle-body structure of a vehicle which comprises a suspension cross member, a side member, and first and second reinforcing members which are provided in a closed cross section formed by the side member and a slant portion, the suspension cross member being fixed by fastening a bolt which is inserted through the suspension cross member to a weld nut which is vertically fixed to a bottom plate portion of the side member, the first reinforcing member is joined to a front-side semicircular portion of a peripheral portion of the weld nut and the second reinforcing member is joined to a rear-side semicircular portion of the peripheral portion of the weld nut.

Lower vehicle-body structure of vehicle

A bridge-shaped frame member is disposed on a front side frame in front of a suspension tower so as to extend vertically and stride over a No. 4 mount. Accordingly, there can be provided a vehicle front body structure that can attain a proper energy absorption of the front side frame with its axial compression can be attained at a vehicle crash.

Vehicle front body structure

A shroud supporting structure is provided which includes a shroudwhich has a rectangular shape and whose opening is oriented in the front and rear directions of an automobile, in which: to front-end partsof a pair of front side-frameswhich is disposed on both right and left sides, first height portions A, B in both side partsof the shroudwhich correspond to the front-end partsare attached; and protrusion portionswhich protrude sideward in second height portions C, D that are located above the first height portions A, B in both side partsare attached to bracketswhich protrude upward from the front-end partsof the front side-frames

Shroud supporting structure and shroud mounting method

An automobile rear upper body structure including a roof panel formed with a longitudinally extending recessed groove along each side edge portion, a rear header extends along the rear edge of the roof panel and connected thereto. The rear header is also connected with a rear pillar inner panel. There is provided a corner reinforcement having one side edge connected with the rear pillar inner panel and the other side edge connected with the rear header. The corner reinforcement is of a convex configuration with the crest portion welded to the recessed groove of the roof panel.

Growing community of inventors

Hiroshima, Japan

Takahiro Aonuma