Mazda Motor Corporation

Mazda Motor Corporat Ion

Kuniyoshi Tashiro

Shigeaki Watanabe

Satoshi Nakamura

Ippei Kuroda

Hidenori Matsuoka

Kazuki Yamauchi

Nobuyuki Nakayama

Masayuki Furutani

Masatoki Kito

Masanori Honda

Koji Miyamoto

Hiroto Kido

Kazuhiro Kageyama

Masaru Chikita

Yamato Matsuda

Hiroshi Sogabe

Arihiro Furumoto

Susumu Kuroda

Yuta Takamura

Hiroshi Mizuguchi

Hiroki Matsuoka

Reiko Yoshiura

Motohiro Ariki

Ryo Ando

Shunsuke Kanemoto

Hayato Miyazaki

Ayaka Fukuda

Satoru Eguchi

Toshihiro Nakaza

Ryuichi Takahashi

Tomohiro Shimada

Kazumichi Takeshige

Qiang Wang

Hirofumi Miyamoto

Yoshiyuki Kasuga

Satoshi Harada

There are provided a vehicle-body member provided at a vehicle-body front portion, a bumper-face support member supporting a bumper face in front of the vehicle-body member, and plural brackets fixedly connecting the vehicle-body member and the bumper-face support member. The bracket comprises an inclination portion which is inclined such that a front side thereof is positioned on an inward or outward side, in the vehicle width direction, of the bracket, a high-rigidity portion, at least part of which is positioned at the inclination portion and which is configured to have high rigidity against an input of a load applied in a vehicle longitudinal direction, and a fragile portion which is configured to be deformable by receiving the input of the load applied in the vehicle longitudinal direction. The high-rigidity portion and the fragile portion are provided adjacently to each other in the vehicle longitudinal direction.

Front structure of vehicle

A bumper-face support member extending in a vehicle width direction in front of a vehicle-body member provided at a vehicle-body front portion and having an attachment portion where a bumper face is attached, plural brackets fixedly connecting the vehicle-body member and the bumper-face support member, a bumper beam extending in the vehicle width direction below the bumper-face support member, and a stay connecting the bumper-face support member and the bumper beam in a vertical direction are provide. The stay has a deformation promotion portion configured to be bent so as to promote deformation of the stay when a collision load is downwardly inputted to the bumper-face support member.

A front side frame provided on each of right and left sides of the vehicle and extending in a vehicle longitudinal direction; and a bumper beam provided on a vehicle front side of each of the front side frames and having an inclined section in each end portion in a vehicle width direction, the bumper beam extending outward in the vehicle width direction and being inclined rearward in. A crash can is provided in a front end portion of each of the front side frames, extends forward, and is inclined outward in the vehicle width direction. A front end portion of each of the crash cans is coupled to the respective inclined section of the bumper beam. On an inner side in the vehicle width direction of each of the crash cans, a vulnerable portion is provided, and has low strength against a collision load input to the bumper beam.

Vehicle front body structure

There is provided a bracket which connects an apron reinforcement provided below a bonnet and an upper portion of a fender provided on an outward side, in a vehicle width direction, of the bonnet. The bracket comprises a fender fixing portion fixed to a flange portion of an upper end portion of the fender, a body portion extending downwardly from the fender fixing portion and positioned on the outward side of the apron reinforcement, and an apron-reinforcement fixing portion extending from an inward side, in the vehicle width direction, of the body portion toward the apron reinforcement and fixed to the apron reinforcement. The body portion is provided with a curved part which is configured to be curved outwardly in the vehicle width direction.

Front vehicle-body structure of vehicle

A front vehicle-body structure of a vehicle that enables smooth compressive deformation of a front side frame from the front side thereof on a vehicle frontal collision portion. The front vehicle-body structure of a vehicle includes a pair of left and right front side frames extending in a vehicle front-rear direction is characterized in that each of the front side frames is formed such that a rear side portion has a higher rigidity than a front side portion, and rigidity differences are alternately formed in the vehicle front-rear direction in each of regions of the front side portion and the rear side portion.

A front vehicle-body structure is characterized in that each of front side frames includes outer and inner members. The outer and inner members have vertical wall surface portions in which a recessed bead extending from a front side to at least a position next to a suspension tower portion in a vehicle front-rear direction is formed. A reinforcement extending in the vehicle front-rear direction and in an up-down direction that divides a closed cross-section of the front side frame into left and right is included between the members of the front side frame to which the suspension tower portion is connected. The reinforcement is formed to join to upper flange portions and lower flange portions of the members of the front side frame with the reinforcement being interposed between the upper flange portions and between the lower flange portions and to linearly extend in the up-down direction.

In an engine compartment, a separation wall is provided between an intake pipe, which runs around to a rear side of the engine from a lateral side of the engine, and the engine. On an outer side of this separation wall, a travel wind guide having a vertical wall portion that opposes the separation wall with the intake pipe being therebetween is provided. The travel wind guide guides vehicle travel wind that is introduced into the engine compartment in a manner to cause the vehicle travel wind to flow along the intake pipe on the outer side of the separation wall.

Engine intake system

A suspension having a first link member that is coupled to a front wheel and a second link member that is located on a rear side of the first link member is mounted to a suspension housing. The suspension housing has a first supporting part that supports the first link member and a second supporting part that is provided on a rear side of the first supporting part and supports the second link member. The front frame has a first fixing portion to which the first supporting part is fixed and a second fixing portion to which the second supporting part is fixed, and the first fixing portion and the second fixing portion are provided at positions different from each other in a vehicle width direction.

Front vehicle body structure of vehicle

A front body structure of the vehicle includes a pair of left and right apron reinforcements, a pair of left and right front side frames, a pair of left and right suspension housings, and a sub-frame. The front body structure of the vehicle further includes a shroud upper that joins the front ends of the apron reinforcements, a pair of left and right shroud members that join the shroud upper and the front ends of the front side frames, and a pair of left and right front joint members that join the front ends of the front side frames and the sub-frame, in which the shroud members are joined to the upper surfaces and the side surfaces of the front side frames.

Front body structure of vehicle

A front body structure of the vehicle has a pair of left and right suspension housings provided in desired positions separated from the dash panel toward the vehicle front side. The front body structure of the vehicle further includes a first ring-shaped structural frame that passes through shroud members and is substantially ring-shaped in front view, a second ring-shaped structural frame that passes through the suspension housings and is substantially ring-shaped in front view, and a third ring-shaped structural frame that passes through hinge pillars and is substantially ring-shaped in front view, in which these ring-shaped structural frames are joined to each other by apron reinforcements, front side frames, and side members of the sub-frame.

The crush canis provided therein with the ribsand. The front side framehas the inner plate partand the outer plate partin the vehicle width direction. The inner plate partand the outer plate partare provided with recessed linear portionsandrecessed toward an inner side of the front side frameand extending in the vehicle front and rear direction, respectively. The recessed linear portionsandand the ribsandof the crush canare disposed at approximately the same heights, respectively.

Impact absorption structure for vehicles

The crush canis provided therein with the ribsandextending in the vehicle front and rear direction. The bumper beamis provided therein with the ribsandextending in the vehicle front and rear direction. The ribof the crush canand the ribof the bumper beamare disposed at approximately the same height, and the ribof the crush canand the ribof the bumper beamare disposed at approximately the same height.

The inner side of the crush canin the vehicle width direction extends forward relative to the outer side. The inner side of the crush canin the vehicle width direction is formed with the cutout portionstoby cutting off a part of a material.

When viewed from the vehicle front and rear direction, the front end portions of the upper plate part, the lower plate part, the left plate part, and the right plate partof the left front side frameand the rear end portions of the upper wall part, the lower wall part, the left wall part, and the right wall partof the left crush canoverlap each other.

A front vehicle-body structure of a vehicle comprises a dash panel, a pair of right-and-left hinge pillars, and a suspension tower, wherein the dash panel comprises a dash panel body which constitutes a partition wall positioned at a front side of a cabin portion and a dash cross member which is joined to a front face of a lower portion of the dash panel body and interconnects respective lower portions of the right-and-left hinge pillars in a vehicle width direction, and there are provided a pair of right-and-left heat-insulating inner lower portion, each of which connects the suspension tower and the dash cross member.

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Hiroshima, Japan

Kuniyoshi Tashiro