Abstract: A vehicle body structure including: a pair of left and right first vehicle body framework members manufactured by die-casting, and being provided at vehicle width direction outer sides of a vehicle and extending along a vehicle front-rear direction; a pair of left and right second vehicle body framework members manufactured from sheet steel and being joined to a length direction end portion of a corresponding first vehicle body framework member and extending along the vehicle front-rear direction; and a load transmission portion provided at either the first vehicle body framework members or the second vehicle body framework members, the load transmission portion configured to abut the other the first vehicle body framework members or the second vehicle body framework members when a collision load acting substantially along the vehicle front-rear direction is input to the first vehicle body framework members or the second vehicle body framework members.

Abstract: There is provided a vehicle body structure, including: a die-cast rear floor side member; and a metal rear floor side member rear, a joint section including: an inner joint section provided at a side of the rear floor side member, the inner joint section including at least three joining faces including an upper face provided at an upper portion, in a vehicle vertical direction, of the inner joint section and two faces positioned with orientations intersecting the upper face in a cross-section profile of the inner joint section sectioned along the vehicle vertical direction and the vehicle width direction, and an outer joint section provided at the side of the rear floor side member rear, the outer joint section abutted against and joined to the three joining faces of the inner joint section from an outer side of the inner joint section.

Abstract: A vehicle bottom structure includes a slope device including a slope plate and guide rails, floor crossmembers, and a floor panel structure. The floor crossmembers are arranged at intervals in the vehicle front-rear direction. The slope device is provided between paired floor crossmembers, and the slope device is provided below a standing-ride region. The floor panel structure is provided over the paired floor crossmembers such that the floor panel structure is placed above the slope device and serves as a floor material in the standing-ride region. The floor panel structure includes panel segments extended in the vehicle front-rear direction so as to be provided over the paired floor crossmembers, and the panel segments are shorter than the whole length of the standing-ride region in the vehicle width direction. The panel segments are arranged side by side in the vehicle width direction in the standing-ride region.

Abstract: A vehicle body structure including: a pair of left and right first vehicle body frame members manufactured by die casting, and are provided at vehicle transverse direction outer sides of a vehicle, and are provided so as to extend in a vehicle longitudinal direction; a pair of left and right second vehicle body frame members that are made of steel plates, and are joined to front end portions of the first vehicle body frame members from substantially vehicle transverse direction inner sides, and are provided so as to extend in the vehicle longitudinal direction; and projecting portions that are provided at the first vehicle body frame members at further toward a vehicle rear side than positions where the second vehicle body frame members are joined to the first vehicle body frame members, and that project-out toward a vehicle cabin inner side with respect to the first vehicle body frame members.

Abstract: A vehicle body lower part structure includes: a floor panel; and a vehicle body frame member including a frame body, an inner side wall, a joint flange projecting inward in a vehicle width direction from an inner surface of the inner side wall in the vehicle width direction, and having a joining surface on which an end of the floor panel in the vehicle width direction is stacked and to which the end of the floor panel in the vehicle width direction is joined, and a recess provided to the frame body, recessed outward in the vehicle width direction from the inner surface of the inner side wall in the vehicle width direction, and having a surface that is continuous and flush with the joining surface of the joint flange.

Abstract: A vehicle body lower part structure includes: a floor panel; and a vehicle body frame member including a frame body, an inner side wall, a joint flange projecting inward in a vehicle width direction from an inner surface of the inner side wall in the vehicle width direction, and having a joining surface on which an end of the floor panel in the vehicle width direction is stacked and to which the end of the floor panel in the vehicle width direction is joined, and a recess provided to the frame body, recessed outward in the vehicle width direction from the inner surface of the inner side wall in the vehicle width direction, and having a surface that is continuous and flush with the joining surface of the joint flange.

Abstract: A vehicle body structure including: a pair of left and right first vehicle body framework members manufactured by die-casting, and being provided at vehicle width direction outer sides of a vehicle and extending along a vehicle front-rear direction; a pair of left and right second vehicle body framework members manufactured from sheet steel and being joined to a length direction end portion of a corresponding first vehicle body framework member and extending along the vehicle front-rear direction; and a load transmission portion provided at either the first vehicle body framework members or the second vehicle body framework members, the load transmission portion configured to abut the other the first vehicle body framework members or the second vehicle body framework members when a collision load acting substantially along the vehicle front-rear direction is input to the first vehicle body framework members or the second vehicle body framework members.

Abstract: A vehicle member join structure includes a sheet-shaped first member made of a lightweight metal, a sheet-shaped second member made of a ferrous metal, a rivet made of a ferrous metal and including a shaft that penetrates the first member and a head that remains at an outer surface of the first member, the shaft being welded to the second member so as to connect the first member and the second member together, and a waterproof section that prevents water ingress by covering a region where the rivet and the first member contact each other.

Abstract: Provided is a vehicle body structure member molded by a die. The vehicle body structure member includes a general portion constituting a main part of the vehicle body structure member, ribs provided in a standing manner from the general portion, and thickened portions provided in a standing manner from the general portion, each of the thickened portions being thicker than each of the ribs.

Abstract: Provided is a vehicle body structure member molded by a die. The vehicle body structure member includes a general portion constituting a main part of the vehicle body structure member, and ribs provided in a standing manner from the general portion and extended along the input direction of a collision load.

Abstract: A vehicle body structure including: a pair of left and right first vehicle body frame members manufactured by die casting, and are provided at vehicle transverse direction outer sides of a vehicle, and are provided so as to extend in a vehicle longitudinal direction; a pair of left and right second vehicle body frame members that are made of steel plates, and are joined to front end portions of the first vehicle body frame members from substantially vehicle transverse direction inner sides, and are provided so as to extend in the vehicle longitudinal direction; and projecting portions that are provided at the first vehicle body frame members at further toward a vehicle rear side than positions where the second vehicle body frame members are joined to the first vehicle body frame members, and that project-out toward a vehicle cabin inner side with respect to the first vehicle body frame members.

Abstract: There is provided a vehicle body structure, including: a die-cast rear floor side member; and a metal rear floor side member rear, a joint section including: an inner joint section provided at a side of the rear floor side member, the inner joint section including at least three joining faces including an upper face provided at an upper portion, in a vehicle vertical direction, of the inner joint section and two faces positioned with orientations intersecting the upper face in a cross-section profile of the inner joint section sectioned along the vehicle vertical direction and the vehicle width direction, and an outer joint section provided at the side of the rear floor side member rear, the outer joint section abutted against and joined to the three joining faces of the inner joint section from an outer side of the inner joint section.

Abstract: There is provided a vehicle body structure, including: a die-cast rear floor side member; and a rocker rear inner; a joint section including: an upright wall configuring an inner side, in the vehicle width direction, of the rocker rear inner and extending along the vehicle vertical direction and the vehicle front-rear direction, and an outer joint section that is formed at the vehicle front-rear direction front end portion of the rear floor side member, that has an open cross-section profile, when sectioned along the vehicle vertical direction and the vehicle width direction, that is open toward an outer side in the vehicle width direction, that covers the rocker rear inner from the vehicle width direction inner side and that is joined to the rocker rear inner in a state in which a gap is provided between the outer joint section and the upright wall.

Abstract: A vehicle body structure that includes a rear floor side member that extends along a vehicle front-rear direction at a vehicle width direction end portion of a vehicle rear section and that is divided into front and rear portions in the vehicle front-rear direction. The rear floor side member includes a joint section that is provided between a vehicle width direction inner side of a rocker rear, which is provided along the vehicle front-rear direction at a vehicle front-rear direction rear side of a rocker extending along the vehicle front-rear direction at a vehicle side section, and a vehicle front-rear direction front end of an attachment portion of a rear suspension member in vehicle side view, and that joins together a rear floor side member front portion and a rear floor side member rear portion.

Abstract: A vehicle body structure includes a first structural member, a second structural member, and a ridge portion. The first structural member has a first linear expansion coefficient and is provided with a joined portion. The second structural member has a second linear expansion coefficient exceeding the first linear expansion coefficient and is provided with a plurality of joining portions at an outer edge portion of the second structural member, and the joining portions are joined to the joined portion. The ridge portion is formed in the outer edge portion to protrude in a plane intersection direction intersecting with a joining surface of the joining portion and is continuous from one of the joining portions to another one of the joining portions.

Abstract: A mounting structure has a front pillar and a side member outer panel. The front pillar has a first linear expansion coefficient. The side member outer panel has a second linear expansion coefficient that is greater than the first linear expansion coefficient. The side member outer panel has a first fastened portion, a second fastened portion, a third fastened portion and a fourth fastened portion that form an imaginary region, and a hinge mounting portion that constrains deformation, due to heating, within the imaginary region, and an unfastened portion. The unfastened portion permits deformation, in an in-plane direction, of a region between the first fastened portion and the second fastened portion.

Abstract: A vehicle member join structure includes a sheet-shaped first member made of a lightweight metal, a sheet-shaped second member made of a ferrous metal, a rivet made of a ferrous metal and including a shaft that penetrates the first member and a head that remains at an outer surface of the first member, the shaft being welded to the second member so as to connect the first member and the second member together, and a waterproof section that prevents water ingress by covering a region where the rivet and the first member contact each other.

Abstract: A mounting structure has a front pillar and a side member outer panel. The front pillar has a first linear expansion coefficient. The side member outer panel has a second linear expansion coefficient that is greater than the first linear expansion coefficient. The side member outer panel has a first fastened portion, a second fastened portion, a third fastened portion and a fourth fastened portion that form an imaginary region, and a hinge mounting portion that constrains deformation, due to heating, within the imaginary region, and an unfastened portion. The unfastened portion permits deformation, in an in-plane direction, of a region between the first fastened portion and the second fastened portion.

Abstract: A vehicle body structure includes a first structural member, a second structural member, and a ridge portion. The first structural member has a first linear expansion coefficient and is provided with a joined portion. The second structural member has a second linear expansion coefficient exceeding the first linear expansion coefficient and is provided with a plurality of joining portions at an outer edge portion of the second structural member, and the joining portions are joined to the joined portion. The ridge portion is formed in the outer edge portion to protrude in a plane intersection direction intersecting with a joining surface of the joining portion and is continuous from one of the joining portions to another one of the joining portions.

Abstract: A reinforcing structure of a vehicle frame member includes: ribs that integrally connect standing wall portions, that are formed at a planar portion of a vehicle frame member, to one another, and that reinforce the planar portion; portions of gradually changing thickness that are formed at connected portions of the ribs with the standing wall portions; portions of gradually changing height that are formed at the connected portions of the ribs with the standing wall portions; first curved portions that are formed at the portions of gradually changing thickness; second curved portions that are formed at the portions of gradually changing thickness; third curved portions that are formed at the portions of gradually changing height; and fourth curved portions that are formed at the portions of gradually changing height.