Abstract: An assembling structure for a vehicle carrying device is provided, including: a tubular member, a first abutting member, an expansion mechanism and an actuating member. The tubular member has an axial direction and is configured to be inserted within a trailer hitch. A wall of the tubular member has a through hole. The first abutting member is movable along the axial direction and disposed in the tubular member. The expansion mechanism includes a second abutting member disposed on the first abutting member and an elastic member. The second abutting member is located within the through hole and urgeable to move by the first abutting member. The elastic member is disposed between the second abutting member and one of the tubular member and the first abutting member so that the second abutting member has a tendency to move radially in a direction toward the first abutting member.

Abstract: A foldable positioning structure and a bicycle carrier including the same is provided. The foldable positioning structure is for being mounted on a main body of a bicycle carrier, the main body includes a first rod member and a second rod member which are rotatably connected with each other, the foldable positioning structure includes an abutting assembly, a controlling assembly and a linkage. The abutting assembly is disposed on the second rod member and movable relative to the second rod member. The controlling assembly is rotatably disposed on the second rod member and slidable relative to the second rod member, and the controlling assembly has an engaging portion which is radially disposed thereon. The linkage is connected to and between the abutting assembly and the controlling assembly.

Abstract: A bicycle carrier is provided, including a main rod, two lateral rods, a middle rod and a base. The two lateral rods are disposed on two sides of the main rod. The base is disposed on the main rod. The middle rod is swingable and foldable relative to the base when the middle rod is pressed downwardly relative to the base.

Abstract: A positioning clamp of the present invention includes a tightening body and a fastening assembly. The tightening body includes an insertion hole. Two ends of the tightening body are spacedly arranged. The fastening assembly is disposed on the tightening body and is movable between a fastening position and a release position.

Abstract: A pivoting mechanism includes a rotation assembly and a fixation assembly. The rotation assembly includes a first member and a second member which are rotatable with respect to each other. The fixation assembly includes a first fixation member, a first elastic member, and a first pushing member. The first fixation member is received in the rotation assembly. The first fixation member selectively blocks the first member and the second member. The first fixation member is disposed between the first elastic member and the first pushing member.

Abstract: An assembling structure for vehicle carrying device is provided, including: a tubular member, having an axial direction, configured to be inserted within a trailer hitch of a vehicle, a wall of the tubular member having a through hole; a first abutting member, being movable along the axial direction and disposed in the tubular member; an expansion mechanism, including a second abutting member movably disposed on the first abutting member, the second abutting member being located within the through hole and urgeable to move by the first abutting member; an actuating member, being connected with the first abutting member, configured to be externally operable to drive the first abutting member to move axially and urge the second abutting member to move radially.

Abstract: The spinning knob includes a shell, a rotation member, and a pushing member. The rotation member is rotatably disposed on the shell. The rotation member includes a threaded portion for screwing with a screw. The pushing member is arranged on the shell and tends to abut against the rotation member to have circumferential interference with the rotation member so that the shell and the rotation member may rotate simultaneously. When the rotation member is screwed to the screw sufficiently and an end of the rotation member abuts against an object, if the shell is further rotated, the rotation member obliquely abuts against the pushing member to make the pushing member trip away from the rotation member so that the pushing member has no circumferential interference with the rotation member and that the shell is rotatable with respect to the rotation member.

Abstract: A supporting structure is provided for a bike-carrying rack which includes a main body. The supporting structure includes a supporting member having a pivot portion pivoted to the main body, and a position-restricting assembly. The pivot portion has an axis, and the supporting member pivotally swings about the axis to be in a carrying position or a folded position. The position-restricting assembly has two restricting members assembled on the main body, the two restricting members are located by two opposite sides of the pivot portion, and a connection direction of the two restricting members is oblique to the axis. When being in the carrying position, the supporting member abuts against the two restricting members; and when being in the folded position, the supporting member at least non-abuts against one of the two restricting members. A bike-carrying rack including the supporting structure is further provided.

Abstract: A foldable positioning structure for a bicycle rack includes a fixing member movable between first and second positions, an elastic assembly and a controlling assembly for being assembled to the fixing rod. The elastic assembly is assembled to a fixing rod and the fixing member so as to restrict the fixing member in the first position normally. The controlling assembly is movable between third and fourth position relative to the fixing rod and includes a pivot member and a controlling member, the pivot member is assembled to the fixing rod and pivoted to the controlling member, a free end of the controlling member is assembled to the fixing member. The fixing member is selectively restricted or nonrestricted by the movable member so that the movable member is swingable or nonswingable relative to the fixing rod.

Abstract: A bicycle carrier includes a base rack, a main body, and a restriction element. The base rack is connected to a vehicle body and a limiting element therebetween. The limiting element has a horizontal sliding groove and an arc sliding groove which is below the horizontal sliding groove. An end of the main body is pivotally connected to the limiting element, and the other end is connected to a supporting element. The main body is formed with an elongated groove corresponding to the horizontal and the arc sliding grooves. The restriction element is inserted through the main body and is connected to the limiting element via an elastic element. A pin element is inserted through the restriction element to be slidable in the elongated groove. The elastic element makes the restriction element tend to move toward the base rack.

Abstract: A fastening structure for bicycle rack includes a connection rod, a slidable member, an adjusting member and an abutting block. The connection rod is inserted into an assembling rod of an automobile. First, second and third directions are defined to be perpendicular to one another, and the connection rod includes a restriction hole along the third direction. The slidable member is slidably arranged in the connection rod and has a first abutted portion. The adjusting member is disposed through the assembling rod and the connection rod along the second direction, assembled to the slidable member in the connection rod, and slidable between first and second positions along the second direction. The abutting block is arranged in the connection rod and has an abutting portion and a second abutted portion, and the first abutted portion abuts against the second abutted portion.

Abstract: A positioning device of vehicle roof rack of the present invention includes a base, a positioning element, a buckle element, and a fixing element. The base forms a plurality of positioning slots and a connecting slot connecting the positioning slots. The positioning element is disposed slidably on the connecting slot and is able to be received in one of the positioning slots alternatively. An end of the buckle element is fixed to the positioning element by the fixing element, and the other end of the buckle element is to be buckled to a perimeter edge of a vehicle. Thereby, the position the buckle element being buckled to the perimeter edge can be adjusted by moving the positioning element. Thus, the positioning device of vehicle roof rack can be employed on vehicles in different sizes.