Abstract: A vehicle body lower part structure includes: a side frame that connects a side sill to a battery pack that is arranged below a floor portion; and a battery frame that supports a battery within the battery pack. A first joint flange that is joined to a case bottom portion of the side frame is arranged such that a second joint flange that is joined to the case bottom portion of the battery frame overlaps an upper side in an upward-downward direction of the first joint flange.

Abstract: A vehicle body lower part structure includes: a side frame that connects a battery pack which is arranged below a floor panel of a vehicle to a side sill which is provided at a further outer position in a vehicle width direction than the battery pack; a lower cross member that is provided within the battery pack, is arranged between batteries, and extends in the vehicle width direction; and a connection portion that is provided within the battery pack and connects the lower cross member to the floor panel. The connection portion is provided at a further outer position in the vehicle width direction than the batteries.

Abstract: A vehicle body rear structure has a rear floor panel, a rear panel, a rear bumper beam and a plurality of floor reinforcement portions. The rear bumper beam extends along a vehicle width direction in a central region in the vehicle width direction at a rear portion of the rear panel and has a length in the vehicle width direction shorter than a length of the rear floor panel and a length of the rear panel. Each of the plurality of floor reinforcement portions extends substantially along a vehicle front rear direction and reinforces a plurality of locations of the rear floor panel spaced apart in the vehicle width direction. Rear end portions of the floor reinforcement portions are disposed inner side of the rear bumper beam in the vehicle width direction than outer end portions of the rear bumper beam in the vehicle width direction.

Abstract: A vehicle body rear structure includes a battery disposed below a floor, a battery frame that covers a periphery of the battery and that has a rear frame part configured to cover at least a rear of the battery, a rear mounted part that is disposed behind the rear frame part and that is disposed at a height in which at least a part of the rear mounted part overlaps the rear frame part in a forward/rearward direction, and a reinforcement block that is supported by any one of frame members of a vehicle and that is disposed between the rear frame part and the rear mounted part, wherein the reinforcement block includes a guide surface inclined downward toward a front side in a region facing the rear mounted part at a front side of the rear mounted part.

Abstract: A vehicle body rear structure includes a rear wheel, a rear side frame, and a collapsing member. The rear wheel is disposed on a vehicle side portion. The rear side frame is disposed substantially along a vehicle forward/rearward direction and extends to a vehicle-rear-side than a rear wheel. The collapsing member is disposed at the vehicle-rear-side of the rear wheel so that at least a part of the collapsing member overlaps the rear wheel in the forward/rearward direction. The collapsing member is fixed to the rear side frame.

Abstract: A vehicle rear structure includes: a rear panel having a rear panel center member extending in a vehicle width direction and a rearward connection portion extending upward from the rear panel center member; a forward connection portion located forward of the rear panel; and a rear panel support member extending in a front rear direction above the rear panel center member and bridging between the rearward connection portion and the forward connection portion.

Abstract: To actively absorb impact energy by a bead and reduce weight. A vehicle body rear structure 1 of an embodiment includes rear floor panels 2 and 3 formed by a steel plate having a tensile strength of 440 MPa or more. The rear floor panels 2 and 3 have beads 13 and 23 extending in a predetermined direction over an entire surface, and the direction in which the beads 13 and 23 extend and the type of the beads 13 and 23 are set so as to reduce a difference between a peak load and an average load at the time of collision.

Abstract: Provided is a vehicle equipped with a battery pack. A vehicle equipped with a battery pack includes a battery pack under a floor of the vehicle. The battery pack is provided with a battery module. In the battery module, a plurality of batteries are arranged vertically with the longitudinal direction directed toward a front-rear direction of the vehicle body. The battery is formed by stacking a plurality of battery cells in the front-rear direction of the vehicle body. A center of gravity of pack of the battery pack is arranged at the rear of a center of gravity of vehicle of the entire vehicle in the vehicle body.

Abstract: A vehicle body structure includes: a second floor cross member and a third floor cross member in which one end in a vehicle width direction is connected to a side sill; a battery arranged below the second floor cross member and the third floor cross member; a battery case which stores the battery and in which one end in the vehicle width direction is connected via a right frame and a left frame; cross member bent portions formed on the second floor cross member and the third floor cross member; and frame bent portions formed on the right frame and the left frame. The cross member bent portions and the frame bent portions are arranged side by side in an up-down direction.

Abstract: A vehicle-mounted battery pack includes a battery tray including a floor part, a right frame, and a left frame. The battery tray includes a battery disposition region, a right impact-absorbing region, and a left impact-absorbing region. A battery module is placed in a battery disposition region. The left and right impact-absorbing regions are provided on outer sides of the battery disposition region in the vehicle width direction. The right frame and the left frame are formed to be thinner than the right and left impact-absorbing regions. Further, an easily deformable portion is formed at a lower portion of the right and left impact-absorbing regions.

Abstract: Provided is a vehicle equipped with a battery pack. A vehicle equipped with a battery pack includes a floor tunnel and a battery pack. The battery pack includes a first battery accessory, a second battery accessory, and an electrical wiring. The first battery accessory is arranged inside a front tunnel portion of the floor tunnel from below. The second battery accessory is arranged inside a rear tunnel portion of the floor tunnel from below. The electrical wiring extends in a front-rear direction of a vehicle body across right and left second floor cross members, and connects the first battery accessory and the second battery accessory.

Abstract: A vehicle rear portion structure includes: a center frame that is disposed closer to a center portion of a vehicle in a vehicle width direction than both side portions of the vehicle in the vehicle width direction, that is disposed on a rear side in the vehicle, and that extends in a front-rear direction of the vehicle; and a bumper beam that is disposed on a rear side of the center frame to be next to the center frame, that is disposed at a position which overlaps the center frame when viewed from a front-rear direction, and that is configured to be crushable due to a rear collision load.

Abstract: A vehicle rear portion structure includes: a rear side frame extending in a front-rear direction of a vehicle; a bumper beam disposed on a rear side of the rear side frame; and a rear panel provided between the rear side frame and the bumper beam. The rear panel includes a peripheral edge frame structure which is provided at an upper part of the bumper beam, and which has a closed cross-sectional structure. An upper projection of the bumper beam is in contact with a panel of the peripheral edge frame structure.

Abstract: A vehicle body structure includes: a battery case that is disposed below a floor panel of a vehicle body and houses a battery; and a case-mounting frame that connects the battery case to a side sill provided on a side of the battery case in a vehicle width direction to support the battery case. The case-mounting frame includes a lower frame that straddles between the side sill and the battery case, and an upper frame that rises from the lower frame, supports the battery case, and is disposed side by side with the battery case in the vehicle width direction. The lower frame includes a fragile portion that is provided at a position located below the upper frame and is more fragile than another position other than the first position.

Abstract: A vehicle-mounted battery pack includes a battery tray including a floor part, a right frame, and a left frame. The battery tray includes a battery disposition region, a right impact-absorbing region, and a left impact-absorbing region. A battery module is placed in a battery disposition region. The left and right impact-absorbing regions are provided on outer sides of the battery disposition region in the vehicle width direction. The right frame and the left frame are formed to be thinner than the right and left impact-absorbing regions. Further, an easily deformable portion is formed at a lower portion of the right and left impact-absorbing regions.

Abstract: Provide is a vehicle equipped with a battery pack. In the vehicle equipped with a battery pack, right and left second floor cross members support a rear portion of a front seat, and right and left third floor cross members support a front portion of a rear seat. First to fourth floor longitudinal frames extend in a front-rear direction of the vehicle body between the right and left second floor cross members and the right and left third floor cross members, and are raised upward from a floor panel. The battery pack is arranged below the floor panel and is fixed to the first to fourth floor longitudinal frames.

Abstract: Provided is a vehicle equipped with a battery pack. A vehicle equipped with a battery pack includes a floor tunnel and a battery pack. The battery pack includes a first battery accessory, a second battery accessory, and an electrical wiring. The first battery accessory is arranged inside a front tunnel portion of the floor tunnel from below. The second battery accessory is arranged inside a rear tunnel portion of the floor tunnel from below. The electrical wiring extends in a front-rear direction of a vehicle body across right and left second floor cross members, and connects the first battery accessory and the second battery accessory.

Abstract: Provided is a vehicle equipped with a battery pack. A vehicle equipped with a battery pack includes a battery pack under a floor of the vehicle. The battery pack is provided with a battery module. In the battery module, a plurality of batteries are arranged vertically with the longitudinal direction directed toward a front-rear direction of the vehicle body. The battery is formed by stacking a plurality of battery cells in the front-rear direction of the vehicle body. A center of gravity of pack of the battery pack is arranged at the rear of a center of gravity of vehicle of the entire vehicle in the vehicle body.

Abstract: A vehicle body structure includes: a second floor cross member and a third floor cross member in which one end in a vehicle width direction is connected to a side sill; a battery arranged below the second floor cross member and the third floor cross member; a battery case which stores the battery and in which one end in the vehicle width direction is connected via a right frame and a left frame; cross member bent portions formed on the second floor cross member and the third floor cross member; and frame bent portions formed on the right frame and the left frame. The cross member bent portions and the frame bent portions are arranged side by side in an up-down direction.

Abstract: To actively absorb impact energy by a bead and reduce weight. A vehicle body rear structure 1 of an embodiment includes rear floor panels 2 and 3 formed by a steel plate having a tensile strength of 440 MPa or more. The rear floor panels 2 and 3 have beads 13 and 23 extending in a predetermined direction over an entire surface, and the direction in which the beads 13 and 23 extend and the type of the beads 13 and 23 are set so as to reduce a difference between a peak load and an average load at the time of collision.