Mazda Motor Corporation

Kobe Steel, Ltd.

Ryotaro Hirata

Sakayu Terada

Miho Kowaki

Masatoshi Yoshida

Takehiro Kamei

Tadashi Yamazaki

Yoshihiro Kawasaki

Kei Uchibori

Noboru Shimizu

Provided is a structure for a front part of a vehicle, including a vehicle main body, a pair of suspension support portions, and a cowl member connected to the pair of suspension support portions. The cowl member has: an inner part connection portion which has a shape extending continuously in a vehicle width direction between the pair of suspension support portions and which interconnects respective inner parts of the pair of suspension support portions in the vehicle width direction; and a water drain portion which is provided backward of the inner part connection portion in a front-rear direction of the vehicle and drains water toward a side part of the vehicle in the vehicle width direction. The inner part connection portion has a thickness larger than a thickness of the water drain portion.

Structure for front part of vehicle

A cavity () provided for a die body () at one side thereof in an axial direction includes a cavity bottom surface (), on which a protrusion () jutting toward the one side in the axial direction is formed. A tip end face () of the protrusion () is configured as a flat surface extending in a direction substantially orthogonal to the axial direction and having a predetermined width (W) in a radial direction. The predetermined width (W) of the tip end face () is set to be 10% or more of a diameter (Di) of the cavity () at an open end thereof.

Rivet bonding mold

An upper face portion of a suspension tower portion of a vehicle comprises an fastening face portion where plural fastening portions to which an upper-side attached portion of a suspension is fixedly fastened are provided and a top face portion which is provided at a higher level than the fastening face portion so as to face the upper-side attached portion of the suspension, the top face portion being connected to a central portion of the fastening face portion via a vertical wall portion. An inner-peripheral-side rib is provided on an inner-peripheral side of the vertical wall portion.

Suspension tower portion structure of vehicle

A suspension tower portion structure of a vehicle is configured such that an upper face portion of a suspension tower portion comprises an fastening face portion where plural fastening portions to which an upper-side attached portion of a suspension is fixedly fastened are provided, plural arc-shaped wall portions which are each provided to rise around the fastening portion are provided on the fastening face portion, and the arc-shaped wall portion is configured to be spaced apart from a fastening seat portion of a fastening member to be fastened to the fastening portion, having a constant distance therebetween.

A guard bar has an inverse-U shape, and its inward end portion is configured to pass through a cross bar and be welded to the cross bar and its outward end portion is fixed to the cross bar via a junction member. The junction member has a reinforcement portion which is fastened together with a link bracket and the cross bar. Thus, there can be provided a seatback bar structure of a vehicle which can properly attach the guard bar, considering the manufacturing accuracy of extrusion molding of aluminum or aluminum alloy, and also can properly transmit a load inputted to the guard bar in a vehicle's rollover to a leg portion and side panels so as to achieve appropriate load dispersion.

Growing community of inventors

Higashihiroshima, Japan

Ryotaro Hirata