Abstract: An embodiment sliding door mounting reinforcement structure includes a sliding door lower reinforcement configured to be mounted on a side of a vehicle body along a length direction of the vehicle body, the sliding door lower reinforcement including a guide rail mounted therein, the guide rail being configured to guide movement of a sliding door, and a center floor cross unit configured to be mounted in a width direction of the vehicle body, wherein the sliding door lower reinforcement and the center floor cross unit are combined.

Abstract: A sliding door mounting reinforcement structure includes a roof rail side lower member mounted in the length direction of the vehicle body and having a lower member flange formed thereon, and a roof rail center member mounted in the width direction of the vehicle body and coupled with the lower member flange.

Abstract: An embodiment seat belt mounting structure includes a front seat disposed towards a front of a vehicle body, a rear seat disposed towards a rear of the vehicle body, a center pillar part, a rear pillar part disposed behind the center pillar part, a side reinforcement connecting the center pillar part and the rear pillar part, and a rear seat retractor coupled to the side reinforcement.

Abstract: An embodiment is a vehicle body including a vehicle body skeleton including a tail gate frame and a rear side member connected to a lower portion of the tail gate frame, a chassis frame including a longitudinal frame disposed in the length direction of the vehicle body, and a vehicle body rear connection structure configured to connect the vehicle body skeleton and the chassis frame, wherein the longitudinal frame is connected to an intersecting position of the lower portion of the tail gate frame and the rear side member.

Abstract: An embodiment frame joint structure includes a plurality of body members, each body member including a closed section portion having a closed section of a set shape and a flange portion integrally extending from the closed section portion, and a plurality of joints, each joint having a first end coupled to a connection point of a respective one of the body members and a second end coupled to an adjacent joint.

Abstract: An embodiment floor connection structure of a vehicle under body configured to connect a floor panel to side sills on both sides of the under body includes a plurality of box panels, each of the box panels including an opened portion and a closed portion, wherein the box panels are configured to be connected to each other along a vehicle width direction, and wherein a first box panel is coupled to a first side sill through the opened portion of the first box panel and a second box panel is coupled to a second side sill through the opened portion of the second box panel.

Abstract: An embodiment door mounting unit for a vehicle includes a body hinge shaft and first mounting portions disposed at both ends of the body hinge shaft, wherein the body hinge shaft is configured to be elongated in a door opening of a vehicle body along a pillar in a height direction of the vehicle body and is configured to be mounted on the vehicle body by the first mounting portions.

Abstract: A plastic composite material panel is disclosed. An embodiment of a plastic composite material panel includes a roof plate portion that includes a molding sheet on which a plurality of resin layers are stacked. A reinforcing layer is formed on the molding sheet and is designed to be bonded to a vehicle body frame. A material filling portion is formed at an end of an edge of the roof plate portion by the reinforcing layer.

Abstract: An embodiment door mounting unit for a vehicle includes a body hinge shaft and first mounting portions disposed at both ends of the body hinge shaft, wherein the body hinge shaft is configured to be elongated in a door opening of a vehicle body along a pillar in a height direction of the vehicle body and is configured to be mounted on the vehicle body by the first mounting portions.

Abstract: An embodiment vehicle body coupling structure of a vehicle that includes an underbody and an upper body coupled to the underbody includes a front back beam assembly provided on a front side of the underbody, a first mounting part provided on a front side member of the upper body and coupled with the front back beam assembly, and a first body coupling part provided on the front back beam assembly and engaged with the first mounting part.

Abstract: A plastic composite material panel includes a roof plate portion adhesively bonded to a first bonding portion provided in a vehicle body frame. A roof extension portion extends from an edge of the roof plate portion and is adhesively bonded to a second bonding portion provided in the vehicle body frame.

Abstract: An embodiment door sealing structure of a monocoque type vehicle body having an overlap of a side inner panel, a side outer reinforce panel, and a side outer panel, and having a side seal panel and a side roof panel combined with the overlap, for providing a seal between a door opening of the vehicle body and a door frame mounted on the door opening is provided. An embodiment door sealing structure includes an insert flange formed toward a vehicle interior along an entirety of a boundary of the door opening over a plurality of joints interconnecting the side inner panel, the side seal panel, and the side roof panel and a first weather strip mounted on the insert flange and configured to form a seal between the vehicle interior and a vehicle exterior.

Abstract: An embodiment rear vehicle body structure of a vehicle including an underbody and an upper body coupled to the underbody includes a reinforcing member coupled to an upper surface of a rear floor panel provided on the rear side of the upper body and connected to both chassis frames of the underbody through the rear floor panel.

Abstract: An embodiment frame connection structure includes a first body member including an inner portion and an outer portion integrally connected to each other along a transverse direction to form a first closed cross-section and at least one flange extending from the inner portion and the outer portion. It further includes a second body member including an inner portion and an outer portion integrally connected along a longitudinal direction to form a second closed cross-section, wherein the second body member is spot welded to the at least one flange of the first body member.

Abstract: An embodiment frame joint structure includes a plurality of body members, each body member having opposing first and second end portions, wherein threads are formed on outer surfaces of both end portions, the threads being formed in different directions on the first end portions relative to the second end portions, and a plurality of joints, each joint having a plurality of member conjoining portions that are engageable with corresponding body members.

Abstract: A vehicle body member includes a first cell unit including a first negative electrode part and a first positive electrode part, a second cell unit including a second negative electrode part and a second positive electrode part, a reinforcing insulating layer interposed between a first surface of the first cell unit and a second surface of the second cell unit, a first positive electrode current collector connected to the first positive electrode part, a second positive electrode current collector connected to the second positive electrode part and connected in parallel to the first positive electrode current collector, a first negative electrode current collector connected to the first negative electrode part, and a second negative electrode current collector connected to the second negative electrode part and connected in parallel to the first negative electrode current collector.

Abstract: An embodiment door sealing structure of a monocoque type vehicle body having an overlap of a side inner panel, a side outer reinforce panel, and a side outer panel, and having a side seal panel and a side roof panel combined with the overlap, for providing a seal between a door opening of the vehicle body and a door frame mounted on the door opening is provided. An embodiment door sealing structure includes an insert flange formed toward a vehicle interior along an entirety of a boundary of the door opening over a plurality of joints interconnecting the side inner panel, the side seal panel, and the side roof panel and a first weather strip mounted on the insert flange and configured to form a seal between the vehicle interior and a vehicle exterior.

Abstract: An embodiment vehicle body coupling structure of a vehicle that includes an underbody and an upper body coupled to the underbody includes a front back beam assembly provided on a front side of the underbody, a first mounting part provided on a front side member of the upper body and coupled with the front back beam assembly, and a first body coupling part provided on the front back beam assembly and engaged with the first mounting part.

Abstract: An embodiment front vehicle body structure includes an underbody, an upper body coupled to the underbody, a front cowl disposed in front of the upper body, and a cowl support unit connected to the front cowl through a front pillar and a front side member of the upper body. An embodiment cowl support unit includes a cowl lower cross member connected to a front of the front side member along a vehicle width direction, a cowl lower support connected to the cowl lower cross member and the front cowl, and a cowl upper side support connecting an upper portion of the front pillar and the front cowl.

Abstract: An embodiment floor connection structure of a vehicle under body configured to connect a floor panel to side sills on both sides of the under body includes a plurality of box panels, each of the box panels including an opened portion and a closed portion, wherein the box panels are configured to be connected to each other along a vehicle width direction, and wherein a first box panel is coupled to a first side sill through the opened portion of the first box panel and a second box panel is coupled to a second side sill through the opened portion of the second box panel.