Mazda Motor Corporation

Mazda Motor Corporat Ion

Y-tec Corporation

Yasushi Ishikawa

Hiroto Kido

Atsushi Kawamoto

Yuuki Uchiba

Daisuke Kanamaru

Yuichi Morita

Ken Fujimoto

Takashi Narahara

Yusaku Yamaguchi

Katsuyuki Komiya

Susumu Sano

Yosuke Sawada

Nobuyuki Shibutake

Shintaro Harugaichi

Sho Yoshida

Miyoshi Katsuhisa

Satoshi Nakamura

Masaru Chikita

Yusuke Desaki

Hiroki Kimura

Takahiro Otani

Yasunari Jinbo

Kohtaro Sasage

Shunsuke Kanemoto

Kenta Tachibana

Yokogi Yuji

Matsubara Hiroshi

Yusuke Matsumura

Nishimoto Masaya

Imajo Hideyuki

Yamaguchi Yusaku

Yuki Nagashima

Nobuhiko Hibino

Hokuto Mukai

A front side frame has a first deformation promotion portion to bend and deform a front side frame inwardly in a case where a collision load is applied to a vehicle from a vehicle front side, a front vehicle-body structure further comprises a load transmission portion positioned in front of a suspension housing between the front side frame and an apron reinforcement so as to transmit the collision load to the suspension housing, the load transmission portion being provided to connect the front side frame and the apron reinforcement so as to transmit a tensional load applied in a vehicle width direction between the front side frame and the apron reinforcement, and the load transmission portion has a second deformation promotion portion positioned in the vicinity of the first deformation promotion portion and promoting the bending/deforming of the front side frame.

Front vehicle-body structure of vehicle

A lower structure of a vehicle may include a transmission disposed in a floor tunnel, a rear propeller shaft that transmits power from the transmission to rear wheels, and left and right battery units disposed on the left and right sides of the floor tunnel, in which a rear portion (transfer) of the transmission is disposed in proximity to the portions on the front side and the upper side of the battery units, and inner protectors that cover inner side surface portions in the vehicle width direction of the battery units from the inner side in the vehicle width direction may be mounted to the front end portions of the inner side surface portions.

Lower structure of vehicle

A vehicle may include a propeller shaft that extends from a transmission toward a vehicle rear side and left and right battery units disposed below floor panels disposed on the left and right sides of a floor tunnel. The propeller shaft may include a first shaft portion connected to the transmission and a second shaft portion connected to the first shaft portion via a universal joint. The left and right battery units may have inner side surface portions that face the inner side in the vehicle width direction, respectively. Planar protectors that cover the portions of the inner side surface portions on the vehicle rear side of the universal joint may be mounted to the battery units, respectively.

Lower structure of vehicle having planar protector at inner side surface of battery unit

A vehicle front body structure is provided for reliably transferring a collision load to a crash can and a front frame by preventing a bumper beam from buckling during a small overlap collision. Bending rigidity of the bumper beam in a vehicle width direction is such that 1) a bending moment generated on the bumper beam when a collision load in a direction toward a vehicle rear side is applied to an extending section, which extends outward in the vehicle width direction from a crash can fixed section, is the highest in a vehicle width direction inner end portion of the crash can fixed section on a side where the collision load is applied, and 2) the bending moment is continuously reduced as a distance from the vehicle width direction inner end portion in the vehicle width direction increases.

Vehicle front body structure

A front vehicle-body structure controls inward breakage of an apron reinforcement in the event of a small overlap collision, without increasing weight. Embodiments include a pair of right and left apron reinforcements extending in a vehicle front-rear direction; and a pair of right and left hinge pillars respectively connected to rear ends of the pair of apron reinforcements. A reinforcement outer member of the apron reinforcement includes a linear portion extending in the vehicle front-rear direction from a rear end of the apron reinforcement connected to the hinge pillar to an intermediate portion of the apron reinforcement. A horizontal bead, provided as a deformation facilitating portion to facilitate deformation toward an inside of a vehicle body, is disposed on an outer surface portion positioned on a vehicle-width-direction outer side of the linear portion, the horizontal bead having a reduced longitudinal rigidity toward a front side in the vehicle front-rear direction.

A side body structure of a vehicle can include: a hinge pillar; a front pillar that is coupled to an upper end portion of this hinge pillar via a bent section, extends upward to the rear, and is coupled to a front end portion of a roof side rail via a connected section; and an apron rein that extends forward from a position below the bent section in the hinge pillar, where the bent section can include an energy absorption section that is subjected to out-of-plane deformation in a longitudinal orthogonal direction of the front pillar and thereby can absorb collision energy when the collision energy, which can be directed rearward, is applied to the apron rein. The energy absorption section can be configured to include an outer bead section and an inner bead section respectively provided in an outer member and a lower inner member.

Vehicle side body structure

A vehicle lower body structure can include: a side sill that forms a first closed cross section extending in a body front-rear direction; and a reinforcing member provided in the first closed cross section to reinforce a front end portion of the side sill. The reinforcing member can have: a front-end reinforcing section that supports a collision load applied to the front end portion of the side sill and directed rearward in a vehicle body; a deformation permission section that permits deformation of the side sill directed inward in a vehicle width direction and rearward at the time when the collision load directed inward in the vehicle width direction and rearward is applied to the front end portion of the side sill; and a deformation suppression section suppressing deformation of the side sill after the deformation of the side sill directed inward in the vehicle width direction and rearward.

Vehicle lower body structure

A front vehicle-body structure comprises a crash can fixed to a front end of a front frame. The crash can comprises an upper face portion, a lower face portion, a pair of side face portions, corner portions respectively positioned between the side face portion and the upper face portion and between the side face portion and the lower face portion, a first fragile portion provided at each of the corner portions, and a second fragile portion provided at each of the side face portions. The first fragile portion is configured to be deformed before the second fragile portion when a collision load applied toward a vehicle rearward side is inputted to an extension portion of a bumper beam. The second fragile portion is configured to be deformed before the front frame when the collision load applied toward the vehicle rearward side is inputted to the extension portion.

A front vehicle-body structure is provided that is lightweight and reduces an impact load transmitted to lower limbs of an occupant. Embodiments include a transmission disposed in a vehicle front portion, a dash lower panel dividing an inside from an outside of a vehicle cabin in a vehicle rear of the transmission, and an organ type accelerator pedal disposed on a vehicle-width-direction inner side of the dash lower panel opposed to the transmission. The dash lower panel includes a panel rear portion in which the accelerator pedal is arranged, a panel front portion extending from the panel rear portion to a vehicle front upper side, and a fragile portion extending in a vehicle width direction along a boundary between the panel rear portion and the panel front portion, which is fragile compared to the panel rear portion and the panel front portion.

Front vehicle-body structure for vehicle

A front subframe structure includes a subframe body and a pair of right and left longitudinal members. The subframe body includes an arm front-side supporting portion, an arm rear-side supporting portion, and a detaching portion. Each of the longitudinal members has, in the rear part thereof, a bent portion that is further in the vehicle width direction outer side with respect to the arm front-side supporting portion. A lower arm has, in the rear part thereof, a longitudinally extending portion. The rear face portion of the bent portion, and the front face portion which is in the front side of the longitudinally extending portion of the lower arm extend substantially parallel to each other along the vehicle width direction. A reinforcing portion is provided on a face of the rear face portion of the bent portion, the face opposing the front face portion of the longitudinally extending portion.

Front subframe structure

A fragile portion is provided at a portion of a suspension arm which is positioned near a vehicle-body attachment portion. The fragile portion is configured such that when a load which is greater than a specified magnitude is inputted to a front wheel from a vehicle forward side, the suspension arm is bent at the fragile portion, whereby the front wheel is rotated rearwardly around the fragile portion.

Vehicle and suspension arm

A reinforcing member is provided inside a closed cross section of a front side frame at a position, in a vehicle longitudinal direction, which corresponds to a forming position of a bead. The reinforcing member extends between an outward side wall portion and an inward side wall portion of the front side frame. The reinforcing member is joined to the outward side wall portion and the inward side wall portion of the front side frame. A joint length, in the vehicle longitudinal direction, of the reinforcing member and the inward side wall portion is set to be longer than that of the reinforcing member and the outward side wall portion.

Vehicle-body structure

A vehicle body structure includes a frame extending in a vehicle longitudinal direction outside a power train in a vehicle width direction, the power train being mounted on a front portion of a vehicle. The vehicle body structure further includes a load receiving portion expanding outward in the vehicle width direction from a front end of the frame and configured to receive impact load acting upon front collision of the vehicle outside the frame in the vehicle width direction, a cutout portion provided at the front end of the frame and cut out rearwardly from the front end of the frame to leave two side portions, and a connection member connecting the side portions of the cutout portion in the vehicle width direction.

Vehicle body structure

A dash cross member which extends in a vehicle width direction is provided at a dash panel. A hinge-pillar reinforcing member which rigidly connects a hinge pillar to a side sill is provided at a lower end portion of the hinge pillar. A load-transmission portion (a dash reinforcement) to transmit a load which is inputted to the hinge-pillar reinforcing member in an inward direction of the vehicle width direction to the dash cross member is provided at the dash panel.

A front subframe structure includes front and rear cross members, a pair of left and right side members, and a vehicle body mounting portion disposed on front ends of the side members. The side member has a lateral widening portion at a front end thereof, wherein the lateral widening portion bulges outward in a vehicle width direction. The front cross member has a front widening portion at an end portion thereof in the vehicle width direction, wherein the front widening portion bulges forward of the vehicle. A portion of the front cross member excluding the front widening portion is disposed on the rear side with respect to the vehicle body mounting portion, and on the front side with respect to a rear end of the lateral widening portion.

Growing community of inventors

Hiroshima, Japan

Yasushi Ishikawa