Abstract: Disclosed is a lower cross member of a vehicle. The lower cross member includes a core member configured to be disposed on a vehicle floor so as to extend in a width direction of the vehicle, to be formed of a composite material including unidirectional carbon fiber or bidirectional carbon fiber, and to have a cross-section including at least one closed curve, a lower layer configured to extend in an extending direction of the core member, to be disposed between the core member and the vehicle floor, and to be formed of a composite material including a first multi-axial glass fabric, and an upper layer configured to extend in the extending direction of the core member, to be disposed on an upper surface of the core member, and to be formed of a composite material including a second multi-axial glass fabric.

Abstract: A vehicle body structure includes: a front pillar joined to a dash panel; a front side member extending from the dash panel toward the front of a vehicle; a side sill connected to a bottom end of the front pillar; a rear lower member connecting a rear portion of the front side member and a front portion of the side sill; and a connection member connecting at least two of the front pillar, the side sill, and the rear lower member. The connection member is integrally connected to the front pillar, the side sill, or the rear lower member to form a unitary one piece structure therewith.

Abstract: A vehicle body structure includes: a front pillar joined to a dash panel; a front side member extending from the dash panel toward the front of a vehicle; a side sill connected to a bottom end of the front pillar; a rear lower member connecting a rear portion of the front side member and a front portion of the side sill; and a connection member connecting at least two of the front pillar, the side sill, and the rear lower member. The connection member is integrally connected to the front pillar, the side sill, or the rear lower member to form a unitary one piece structure therewith.

Abstract: An embodiment component integration type rear lower includes a body frame having an end portion of a first side and an end portion of a second side and having a predetermined length, a front-rear connection member connecting a side sill at the end portion of the first side and connecting a rear side member at the end portion of the second side, a bush mounting member coupling a bush to the end portion of the first side, and a coupled torsion beam axle (CTBA) mounting member coupled to at least one of a CTBA, a chassis spring, or a shock absorber, the at least one of the CTBA, the chassis spring, or the shock absorber being engaged with the end portion of the second side.

Abstract: A vehicle body structure includes: a front pillar joined to a dash panel; a front side member extending from the dash panel toward the front of a vehicle; a side sill connected to a bottom end of the front pillar; a rear lower member connecting a rear portion of the front side member and a front portion of the side sill; and a connection member connecting at least two of the front pillar, the side sill, and the rear lower member.

Abstract: A lower cross member for a vehicle is disposed on a floor of a vehicle. The lower cross member includes a core member and a reinforcing layer. The core member is made of a composite material containing 70 wt. % or more of unidirectional carbon fibers, and the reinforcing layer is made of a composite material containing 70 wt. % or more of fiberglass.

Abstract: An embodiment component integration type rear lower includes a body frame having an end portion of a first side and an end portion of a second side and having a predetermined length, a front-rear connection member connecting a side sill at the end portion of the first side and connecting a rear side member at the end portion of the second side, a bush mounting member coupling a bush to the end portion of the first side, and a coupled torsion beam axle (CTBA) mounting member coupled to at least one of a CTBA, a chassis spring, or a shock absorber, the at least one of the CTBA, the chassis spring, or the shock absorber being engaged with the end portion of the second side.

Abstract: A vehicle body structure includes: a front pillar joined to a dash panel; a front side member extending from the dash panel toward the front of a vehicle; a side sill connected to a bottom end of the front pillar; a rear lower member connecting a rear portion of the front side member and a front portion of the side sill; and a connection member connecting at least two of the front pillar, the side sill, and the rear lower member.

Abstract: A vehicle body structure includes a fender apron member, a shock absorber housing joined to the fender apron member, and a side reinforcement member configured to connect the fender apron member and the shock absorber housing to a lower side of a front pillar and reinforce a side surface of an engine room, wherein the shock absorber housing and the side reinforcement member comprise stepped joining portions corresponding to and joined to each other.

Abstract: A front pillar structure for a vehicle includes a front pillar including a front pillar lower extending vertically and a front pillar upper extending obliquely from the front pillar lower. A connection member is coupled to a bottom end of the front pillar lower and connects a front side member and a side sill. The front pillar lower has an S-shaped cross section and the connection member has stepwise flanges coupled to the bottom end of the front pillar lower.

Abstract: A tunnel structure for a vehicle is provided, and the tunnel structure includes a tunnel extending along a centerline of a center floor, and a plurality of crossmembers individually coupled to both side surfaces of the tunnel. Each crossmember has a closed cross-sectional shape. The tunnel structure further includes a plurality of bosses provided on the side surfaces of the tunnel, and an end portion of each crossmember received in and coupled to each boss. In addition, the tunnel includes a front tunnel disposed on a front of the center floor, a rear tunnel disposed on a rear of the center floor, and a center tunnel disposed between the front tunnel and the rear tunnel along the centerline of the center floor.

Abstract: A vehicle body on which a high voltage battery is mounted is provided. The vehicle body includes a vehicle body floor on which a battery is placed stably, side sills disposed on both lateral sides of the vehicle body floor, respectively, to extend in forward and backward directions, a plurality of coupling members, wherein front portions of the coupling members are combined with respective front side members, rear portions of the coupling members are combined with the side sills, respectively, and each coupling member connects, in an extension line, between the respective front side member and the respective side sill in the forward and backward directions, and a cross member that extends across the vehicle body floor and couples the coupling members, wherein each end of the cross member is combined with the respective side sill.

Abstract: A load absorbing structure for a vehicle is provided. The structure includes a pair of front side members that are spaced apart from each other in a width direction of the vehicle on a front side of the vehicle and a pair of side sills that are connected to the front side members, respectively. A pair of front pillars are connected to the side sills, respectively and a pair of connection members connect the front side members and the side sills corresponding thereto in a longitudinal direction of the vehicle, respectively. A battery cross member is disposed transverse between the pair of connection members and a bottom surface of the battery cross member is disposed lower than a bottom wall of each connection member.

Abstract: A side sill for a vehicle includes: an inner portion facing an interior space of the vehicle; an outer portion facing an exterior space of the vehicle; and mounting hardware, which is riveted to one of the inner portion and the outer portion, wherein the inner portion and the outer portion form a unitary one-piece structure.

Abstract: A load absorbing structure for a vehicle is provided. The structure includes a pair of front side members that are spaced apart from each other in a width direction of the vehicle on a front side of the vehicle and a pair of side sills that are connected to the front side members, respectively. A pair of front pillars are connected to the side sills, respectively and a pair of connection members connect the front side members and the side sills corresponding thereto in a longitudinal direction of the vehicle, respectively. A battery cross member is disposed transverse between the pair of connection members and a bottom surface of the battery cross member is disposed lower than a bottom wall of each connection member.

Abstract: Disclosed is a lower cross member of a vehicle. The lower cross member includes a core member configured to be disposed on a vehicle floor so as to extend in a width direction of the vehicle, to be formed of a composite material including unidirectional carbon fiber or bidirectional carbon fiber, and to have a cross-section including at least one closed curve, a lower layer configured to extend in an extending direction of the core member, to be disposed between the core member and the vehicle floor, and to be formed of a composite material including a first multi-axial glass fabric, and an upper layer configured to extend in the extending direction of the core member, to be disposed on an upper surface of the core member, and to be formed of a composite material including a second multi-axial glass fabric.

Abstract: A vehicle body on which a high voltage battery is mounted is provided. The vehicle body includes a vehicle body floor on which a battery is placed stably, side sills disposed on both lateral sides of the vehicle body floor, respectively, to extend in forward and backward directions, a plurality of coupling members, wherein front portions of the coupling members are combined with respective front side members, rear portions of the coupling members are combined with the side sills, respectively, and each coupling member connects, in an extension line, between the respective front side member and the respective side sill in the forward and backward directions, and a cross member that extends across the vehicle body floor and couples the coupling members, wherein each end of the cross member is combined with the respective side sill.

Abstract: A vehicle front structure for a vehicle may include: a front side member disposed on a front of a vehicle; and a front end member coupled to a front end of the front side member. In particular, the front end member includes a main body which is coupled to the front side member to be aligned, and a lateral reinforcement portion which extends from the main body toward an outboard side of the vehicle.

Abstract: A vehicle body structure includes a fender apron member, a shock absorber housing joined to the fender apron member, and a side reinforcement member configured to connect the fender apron member and the shock absorber housing to a lower side of a front pillar and reinforce a side surface of an engine room, wherein the shock absorber housing and the side reinforcement member comprise stepped joining portions corresponding to and joined to each other.

Abstract: A side sill structure can be used for a vehicle. The side sill structure includes a side sill extending along a longitudinal direction of the vehicle; and a front connection member connects a front side member located at a front side of the side sill to a front end of the side sill.