Abstract: In a vehicle component fastening device, the vehicle component fastening device includes: a detachable unit assembled to a vehicle body to form an internal space in a vehicle; an assembly module which is provided on the vehicle body and to which the detachable unit is selectively coupled, wherein, inside the module, a circular magnetic body is rotatably mounted, and in response to the rotation of the circular magnetic body, the detachable unit is mechanically fastened to the vehicle body and a magnetic circuit is changed simultaneously therewith so that the detachable unit is magnetically fastened to the vehicle body; and a detachable module configured to rotate the circular magnetic body inside the assembly module by receiving power externally or from the vehicle.

Abstract: A collision load distribution structure of a fuselage includes a front unit configured to be located at front ends relative to wings attached to the fuselage, a rear unit configured to be located at rear ends relative to the wings attached to the fuselage, a support unit configured to be located between the front unit and the rear unit, and a wing unit. The support unit is configured to transfer loads applied to the fuselage in case of a crash of the fuselage. The wing unit is configured to be located in the support unit, and connected to the support unit so as to transfer the loads in case of the crash of the fuselage. Loads in a length direction of the fuselage are passed through to the front unit, and are distributed to the wing unit through the support unit.

Abstract: A moving structure for a replaceable part of a vehicle, which includes a fixed part fixed to an under body and a replaceable part that is detachable from the fixed part. The moving structure includes replaceable part docking coupling members connected to the lower sides on both sides of the replaceable part in the vehicle width direction, replaceable part guide units installed in the under body to guide the replaceable part along the front and rear direction of the vehicle body by docking connection with the replaceable part docking coupling members along the vertical direction, and a rack gear mounted on the lower part of the replaceable part and positioned along the front and rear direction of the vehicle body.

Abstract: A replaceable part replacement system for a vehicle includes: a station frame on which a vehicle, including a fixed part fixed to an under body and a replaceable part removable from the fixed part, is positioned; a support frame installed on the station frame to be movable along the forward and backward direction of the vehicle; and a gripper unit installed in the support frame to be movable in the vertical direction for gripping and releasing the replaceable part.

Abstract: A variable part connection and separation apparatus includes a magnetic controller configured for forming or releasing an engaging magnetic field between a frame and a variable part by selectively supplying a control magnetic field to a lower magnetic engaging unit mounted on the frame including a fixed part mounted on the frame and the variable part selectively engaged to the frame, and a lifter that separates the variable part from the frame or sets the variable part to the frame.

Abstract: Proposed is a structure. The structure includes a front body frame configured to surround a front surface of an airframe, a crash unit disposed at a front end of the body front frame, and a dash reinforcement assembly fastened to the front body frame and disposed on the rear surface of the crash unit.

Abstract: A joint structure of a vehicle body constituting a cabin part of a vehicle. The joint structure includes: an underbody forming a lower part of the cabin part; an upper body coupled to an upper part of the underbody; a fixing rail connecting the underbody and the upper body and configured to guide the upper body when the upper body moves relative to the underbody; a fender apron provided at an upper edge portion of the underbody; a side sill provided at a lower end edge portion of the underbody; an actuator provided on the side sill and installed at a lower end of the fixing rail to provide a driving force to move the fixing rail; a side member coupled to a central portion of the underbody; and a fender extension connecting a lower part of the fender apron and an upper part of the side member.

Abstract: An embodiment joint structure of a vehicle body includes a fixed part sealing flange disposed on an edge of a rear opening portion of a front body module of the vehicle body, wherein the front body module is a fixed part fixed to an under body of the vehicle body, a fixed part weather strip mounted on the fixed part sealing flange, a variable part sealing flange disposed on an edge of a front opening portion of a rear body module, wherein the rear body module is a variable part detachably coupled to the front body module along a front-to-back direction of the vehicle body by a joint, and a variable part weather strip mounted on the variable part sealing flange in close contact with the fixed part weather strip.

Abstract: A wing load support structure of a fuselage includes a first joint on a front spar of a wing unit of the fuselage, a center bulk head including a first spar joint coupled to the first joint and configured to support a vertical load of the front spar transmitted by the wing unit, a second joint mounted on a rear spar of the wing unit, a spar cover including a second spar joint coupled to the second joint and connected to a rear bulk head by a bulk head upper support, and a support unit configured to support the spar cover and the rear bulk head inside the fuselage and configured to support a vertical load of the rear spar transmitted by the wing unit.

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: 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 side body structure for a vehicle includes a center pillar including an outer flange part extending from an outer surface of the center pillar in a vehicle body length direction and a glass coupled to the outer flange part. Another embodiment side body structure for a vehicle includes a center pillar including an outer flange part extending along a vehicle body length direction and coupled to a side sill and a joint member coupled to the outer flange part and the side sill in a vertical direction.

Abstract: A crash load distribution structure of a fuselage, includes a floor frame defining a fuselage floor, a skid member fastened to the lower portion of the floor frame, and a crash box coupled to the skid member and extending to the lower portion of the floor frame, and configured to selectively deform in a crash load direction when an oblique crash occurs thereto.

Abstract: An embodiment joint structure of a vehicle body includes a front body module fixed to a front portion of a center floor member of an underbody of the vehicle body, wherein the front body module is a fixed part, a rear body module detachably fixed to a rear portion of the center floor member and a rear portion of the front body module in a set shape, wherein the rear body module is a variable part, a plurality of center floor member coupling modules disposed on the center floor member at the rear portion of the front body module, and a plurality of variable part coupling modules disposed at a lower side of the rear body module and configured to be coupled to the center floor member coupling modules by electromagnetic force.

Abstract: A side structure of a vehicle body can include a center pillar formed with a center pillar mounting portion supporting a supporter, and a center pillar bracket to which a center pillar bracket mounting portion is formed to support the supporter, and the center pillar bracket connected to the center pillar.

Abstract: An embodiment joint structure of a vehicle body includes a front body module including a fixed part fixed to a front part of an under body, a rear body module including a variable part detachably coupled to a rear part of the under body and a rear part of the front body module, the rear body module having a predetermined shape, fixed part joints disposed at a rear edge of the front body module and at a rear of the under body, variable part joints disposed on a front edge and a rear lower part of the rear body module and connected with the fixed part joints, and a joint mounting reinforcement unit disposed on a lower inner side of a rear pillar assembly disposed on both sides of the rear part of the rear body module and connected with the variable part joints.

Abstract: A connection structure of a vehicle body can include an under body with an under body mounting unit mounted thereon, and a variable part including a variable part mounting unit selectively connected to the under body mounting unit and an outer cross member mounted on an upper portion of the variable part mounting unit.

Abstract: An embodiment joint structure for a vehicle body includes a front body module that is a stationary part fixable to a front part of an under body of the vehicle body, a rear body module that is a variable part having a preset shape, the rear body module being attachable to and detachable from a rear part of the under body and a rear part of the front body module, a plurality of stationary part coupling modules disposed on an upper end surface portion of a rear edge of the front body module, and a plurality of variable part coupling modules disposed on an upper end surface portion of a front edge of the rear body module and couplable to the stationary part coupling modules by an electromagnetic force.

Abstract: An embodiment joint structure of a vehicle body includes a front body module including a fixed part fixed to a front part of an under body, a rear body module including a variable part that is attachable and detachable to a rear part of the under body and a rear part of the front body module, the rear body module having a predetermined shape, a plurality of fixed part joints mounted at a rear edge of the front body module, and a plurality of variable part joints mounted on a variable part roof rail and a variable part center pillar connected to a front edge of the rear body module, wherein the variable part joints are connected with the fixed part joints.

Abstract: An embodiment joint structure of a vehicle body is provided. The vehicle body includes a front body module fixed to an under body and a rear body module that is detachably coupled to the front body module along a front to rear direction of the vehicle body, and the joint structure includes a joint unit disposed in a rear portion of the front body module and a front portion of the rear body module, respectively, a striker mounted on an outside of a first closed cross-section defined in either the rear portion of the front body module or the front portion of the rear body module, and a latch assembly disposed on an inside of a second closed cross-section defined in the other of the rear portion of the front body module and the front portion of the rear body module.