Vehicle-mounted motorcycle back frame with folding structure

Abstract

The vehicle-mounted motorcycle back frame with the folding structure comprises a fixing frame, the fixing frame comprises a fixing pipe and a U-shaped supporting pipe, a rotating support is arranged on the U-shaped supporting pipe and comprises a first connecting pipe and a second connecting pipe, the first connecting pipe is connected to the U-shaped supporting pipe, and the second connecting pipe is connected to the U-shaped supporting pipe. A first rotating mechanism is arranged between the first connecting pipe and the U-shaped supporting pipe in a matched mode, a first locking mechanism is further arranged on the first connecting pipe, a second rotating mechanism and a folding mechanism are arranged between the first connecting pipe and the second connecting pipe, a second locking mechanism is further arranged on the second connecting pipe, and a vehicle carrying support is further arranged on the second connecting pipe. According to the automobile back frame, the automobile back frame can be unfolded and folded relative to an automobile trunk, normal use of the trunk cannot be affected, a motorcycle can be conveniently loaded and unloaded with an automobile carrying support, accessories such as an independent wood board are not needed for assistance, the automobile carrying support does not need to be lifted with force, and operation convenience and use stability of a product are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of vehicle-mounted motorcycle back frame, concretely relates to a vehicle-mounted motorcycle back frame with folding structure. BACKGROUND

[0002] The vehicle-mounted motorcycle back frame is a frame body fixed on the rear side of a car, and the motorcycle is fixed on the back frame, so that the car can realize the fixation and transportation of the motorcycle. When the existing vehicle-mounted motorcycle back frame is used, a separate upward ramp is needed to be built by a wooden board or the like to realize the operation of the motorcycle on and off the back frame, so that the operation of the motorcycle on and off the back frame is complicated and inconvenient, and the motorcycle needs to be unloaded from the back frame, and the trunk needs to be opened for use, which affects the normal use effect of the trunk of the car. SUMMARY

[0003] The utility model aims at providing a vehicle-mounted motorcycle back frame with folding structure to solve the problems of complicated and inconvenient operation of the motorcycle on and off the back frame and the influence on the normal use effect of the trunk of the car in the prior art.

[0004] In order to solve the above technical problems, the utility model realizes the following technical scheme:

[0005] A vehicle-mounted motorcycle back frame with folding structure comprises a fixing frame, the fixing frame comprises a fixing pipe and a U-shaped support pipe, one end of the fixing pipe is connected to a car, the other end is arranged on the U-shaped support pipe, a rotating support is arranged on the U-shaped support pipe, the rotating support comprises a first connecting pipe and a second connecting pipe, the first connecting pipe is connected to the U-shaped support pipe, a first rotating mechanism is arranged in cooperation between the first connecting pipe and the U-shaped support pipe, a first locking mechanism for controlling the first rotating mechanism to lock and rotate is further arranged on the first connecting pipe, a second rotating mechanism and a folding mechanism are arranged between the first connecting pipe and the second connecting pipe, a second locking mechanism for controlling the folding mechanism to lock and unfold is further arranged on the second connecting pipe, and a vehicle support is further arranged on the second connecting pipe.

[0006] As a preferred, the first rotating mechanism comprises a fixed plate, a first rotating plate, a second rotating plate and a bolt, the fixed plate is connected to the inner side of the U-shaped support pipe, a limiting hole is arranged on the fixed plate, the bolt is vertically arranged on the first connecting pipe, the other end of the bolt passes through the limiting hole and is fixed with a nut, the bolt moves in the limiting hole, the first rotating plate and the second rotating plate are arranged on the first connecting pipe respectively, and are rotatably connected to both ends of the U-shaped support pipe, and the first rotating plate is located at one end of the U-shaped support pipe where the fixed plate is arranged.

[0007] As preferred, the first locking mechanism comprises a first connecting seat, a first locking shaft and a first locking hole, the first connecting seat is arranged below the first connecting pipe, the first locking shaft is movably arranged on the first connecting seat, the first locking hole is arranged on one end of the U-shaped support pipe provided with the first fixing plate, and the first fixing plate is provided with a positioning hole corresponding thereto, one end of the first locking shaft penetrates through the positioning hole and extends into or out of the first locking hole.

[0008] As preferred, the folding structure comprises a first linkage rod and a second linkage rod, one end of the first linkage rod is movably connected to the lower portion of the first connecting pipe, the other end of the first linkage rod is movably connected to one end of the second linkage rod, the other end of the second linkage rod is movably connected to the lower portion of the second connecting pipe, and a push rod is further arranged on the side edge of the second linkage rod.

[0009] As preferred, the second locking mechanism comprises a second connecting seat, a second locking shaft and a second locking hole, the second connecting seat is arranged below the second connecting pipe, the second locking shaft is movably arranged on the second connecting seat, and the second locking hole is arranged on the second rotating plate, and one end of the second locking shaft extends into or out of the second locking hole.

[0010] As preferred, the second rotating mechanism comprises a rotating seat, one end of the second connecting pipe is arranged on the rotating seat, a cylindrical member is rotatably arranged on the rotating seat, one end of the first connecting pipe is formed with an arc-shaped socket, and the arc-shaped socket is fitted and arranged on the outer side of the cylindrical member.

[0011] As preferred, the vehicle carrying support comprises a first support rod and a second support rod, the first support rod is connected with the second connecting pipe, and the first support rod is parallel to the second connecting pipe, the second support rod is arranged perpendicularly to the first support rod, and the second support rod is vertically arranged above the second connecting pipe, a third support pipe is vertically arranged on the side edge of the second support rod, a vehicle body placing rack is arranged above the first support rod, and vehicle wheel placing racks are arranged at the two ends of the first support rod.

[0012] The vehicle carrying support has the following beneficial effects: the vehicle carrying support has a simple structure, and through the arrangement of the rotating support, the first rotating mechanism, the second rotating mechanism and the folding mechanism, the vehicle carrying support can be unfolded and folded relative to the trunk of the automobile, so that the normal use of the trunk is not affected; through the arrangement of the first rotating mechanism, the rotating support can be downwardly rotated relative to the fixing frame, the vehicle carrying support can be conveniently loaded on the motorcycle, the rotating support can be returned to the normal position through the weight of the motorcycle itself, separate wood plates and other accessories are not needed for assistance, and the vehicle carrying support does not need to be lifted by force, so that the operation convenience and use stability of the product are improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1It is the use state structural schematic view when the rotating support of the utility model is unfolded;

[0014] Figure 2 For Figure 1 It is the enlarged structural schematic view of A part in the utility model;

[0015] Figure 3 It is the use state structural schematic view when the rotating support of the utility model is unfolded and turns down;

[0016] Figure 4 For Figure 3 It is the enlarged structural schematic view of B part in the utility model;

[0017] Figure 5 It is the use state structural schematic view when the rotating support of the utility model is folded;

[0018] Figure 6 For Figure 5 It is the enlarged structural schematic view of C part in the utility model.

[0019] In the figure: 1-fixed pipe; 2-U-shaped support pipe; 3-first connecting pipe; 4-second connecting pipe; 5-fixed plate; 6-first rotating plate; 7-second rotating plate; 8-first connecting seat; 9-first lock shaft; 10-first linkage rod; 11-second linkage rod; 12-pushing rod; 13-second connecting seat; 14-second lock shaft; 15-rotating seat; 16-cylinder; 17-first support rod; 18-second support rod; 19-third support pipe; 20-car body placing rack; 21-wheel placing rack; 201-first lock hole; 501-limiting hole; 601-positioning hole; 701-second lock hole. Specific embodiments

[0020] The specific embodiments of the utility model are further described below in combination with the drawings. It needs to be explained here that the description of these embodiments is used to help understanding the utility model, but does not constitute the limitation to the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0021] For example, Figures 1-6As shown, a vehicle-mounted motorcycle back rack provided with a folding structure comprises a fixing frame, the fixing frame comprises a fixing pipe 1 and a U-shaped support pipe 2, one end of the fixing pipe 1 is connected to a car, the other end is arranged on the U-shaped support pipe 2, a rotating support is arranged on the U-shaped support pipe 2, the rotating support comprises a first connecting pipe 3 and a second connecting pipe 4, the first connecting pipe 3 is connected to the U-shaped support pipe 2, a first rotating mechanism is arranged between the first connecting pipe 3 and the U-shaped support pipe 2 in cooperation, a first locking mechanism for controlling the first rotating mechanism to lock and rotate is further arranged on the first connecting pipe 3, a second rotating mechanism and a folding mechanism are arranged between the first connecting pipe 3 and the second connecting pipe 4, a second locking mechanism for controlling the folding mechanism to lock and unfold is further arranged on the second connecting pipe 4, and a vehicle carrying support is further arranged on the second connecting pipe 4.

[0022] In use, the second locking mechanism is opened, then the folding mechanism is operated, the second connecting pipe 4 is unfolded relative to the first connecting pipe 3, so that the motorcycle on the vehicle carrying support is behind the trunk, so that the trunk can be normally used; when the motorcycle needs to be unloaded or installed, the rear part of the motorcycle is pressed, under the action of gravity, the first transmission mechanism is rotated (the first locking mechanism is opened first), the rotating support is downwardly rotated, so that the vehicle carrying support on the second connecting pipe 4 is inclined at an angle, and the motorcycle is conveniently unloaded and pushed to be installed; when transportation and carrying are needed, the folding mechanism is operated, so that the second connecting pipe 4 is folded to the direction of the first connecting pipe 3, and the back rack is folded to the rear side of the trunk.

[0023] The back rack of the utility model has the advantages of simple structure, through the arrangement of the rotating support, the first rotating mechanism, the second rotating mechanism and the folding mechanism, the back rack can be unfolded and folded relative to the trunk of the car, so that the normal use of the trunk is not affected; through the arrangement of the first rotating mechanism, the rotating support can be downwardly rotated relative to the fixing frame, the vehicle carrying support is conveniently unloaded on the motorcycle, the rotating support can be returned to the normal position through the weight of the motorcycle, a separate wood board and other accessories are not needed to assist, the vehicle carrying support does not need to be lifted by force, and the operation convenience and use stability of the product are improved.

[0024] Specifically, the first rotating mechanism comprises a fixed plate 5, a first rotating plate 6, a second rotating plate 7 and a bolt, the fixed plate 5 is connected to the inner side of the U-shaped support pipe 2, the fixed plate 5 is provided with a limiting hole 501, the bolt is vertically arranged on the first connecting pipe 3, the other end of the bolt passes through the limiting hole 501 and is fixed by a nut, and the bolt is movable in the limiting hole 501, the first rotating plate 6 and the second rotating plate 7 are arranged on the first connecting pipe 3 respectively, and are rotatably connected to the two ends of the U-shaped support pipe 2 respectively, and the first rotating plate 6 is located at one end of the U-shaped support pipe 2 provided with the fixed plate 5. The first rotating mechanism has the advantages of simple structure, convenient operation, stable rotation of the rotating support driven by the two rotating plates, corresponding locking effect, arc-shaped grooves formed at the two ends of the limiting hole 501, convenient movement of the bolt, and improved use flexibility and stability of the product.

[0025] Specifically, the first locking mechanism comprises a first connecting seat 8, a first lock shaft 9 and a first lock hole 201, the first connecting seat 8 is arranged below the first connecting pipe 3, the first lock shaft 9 is movably arranged on the first connecting seat 8, the first lock hole 201 is arranged at one end of the U-shaped support pipe 2 provided with the first fixed plate 6, and the first fixed plate 6 is correspondingly provided with a positioning hole 601, one end of the first lock shaft 9 passes through the positioning hole 601 and extends into or out of the first lock hole 201. When the motorcycle is not needed to be operated up and down or the rotating support is not needed to be unfolded for use of the trunk, the first lock shaft 9 extends into the first lock hole 201, so that the first rotating plate 6 can be locked with the U-shaped support pipe 2, thereby preventing the rotating support from being turned over. When the motorcycle needs to be operated up and down, the first lock shaft 9 is pulled out, so that the first lock shaft 9 is separated from the first lock hole 201 but inserted into the positioning hole 601, so that the first rotating plate 6 can rotate along the U-shaped support pipe 2, the rotating support can be rotated downward and reset, and the first lock shaft 9 will not be separated, thereby improving the use stability and safety of the product.

[0026] Specifically, the folding structure comprises a first linkage rod 10 and a second linkage rod 11, one end of the first linkage rod 10 is movably connected to the lower side of the first connecting pipe 3, the other end of the first linkage rod 10 is movably connected to one end of the second linkage rod 11, the other end of the second linkage rod 11 is movably connected to the lower side of the second connecting pipe 4, and a push rod 12 is further arranged on the side of the second linkage rod 11, the second locking mechanism comprises a second connecting seat 13, a second lock shaft 14 and a second lock hole 701, the second connecting seat 13 is arranged on the lower side of the second connecting pipe 4, the second lock shaft 14 is movably arranged on the second connecting seat 13, the second lock hole 701 is arranged on the second rotating plate 7, and one end of the second lock shaft 14 extends into or out of the second lock hole 701. The above design is simple in structure, can realize folding and unfolding of the first connecting pipe 3 and the second connecting pipe 4, facilitates normal use of the trunk, and through the cooperation of the second locking mechanism, the folding assembly can be locked, the risk of accidental unfolding during carrying is prevented, the use stability and safety of the product are improved, and the design of the push rod 12 facilitates unfolding of the folding structure.

[0027] Specifically, the second rotating mechanism comprises a rotating seat 15, one end of the second connecting pipe 4 is arranged on the rotating seat 15, a cylindrical piece 16 is rotatably arranged on the rotating seat 15, one end of the first connecting pipe 3 is formed with an arc-shaped socket, and the arc-shaped socket is arranged on the outer side of the cylindrical piece 16. The above design can improve the rotating smoothness between the first rotating piece 3 and the second rotating piece 4, and the use stability and flexibility of the product are improved in cooperation with the design of the folding assembly.

[0028] Specifically, the vehicle carrying support comprises a first support rod 17 and a second support rod 18, the first support rod 17 is connected with the second connecting pipe 4 and is parallel to the second connecting pipe 4, the second support rod 18 is arranged perpendicularly to the first support rod 17 and vertically above the second connecting pipe 4, and a third support pipe 19 (used for fixing and connecting a motorcycle, for example, a pedal of the motorcycle) is vertically arranged on the side of the second support rod 18, a vehicle body placing rack 20 is arranged above the first support rod 17, and a wheel placing rack 21 is arranged at both ends of the first support rod 17. The above design can reduce the folding volume of the rotating support, the motorcycle can be stably and firmly placed on the vehicle carrying support, and the use stability and safety of the product are improved.

[0029] The above is only the preferred embodiment of the utility model, and does not limit the implementation and protection scope of the utility model, and for those skilled in the art, it should be realized that any equivalent replacement and obvious change obtained by applying the contents of the utility model specification and drawings should be included in the protection scope of the utility model.

Claims

1. A motorcycle backrest for vehicle, provided with a folding structure, comprising a fixed frame, characterized in that: The fixed frame comprises a fixed tube and a U-shaped support tube, one end of the fixed tube is connected to the automobile, and the other end is arranged on the U-shaped support tube, a rotating support is arranged on the U-shaped support tube, the rotating support comprises a first connecting tube and a second connecting tube, the first connecting tube is connected to the U-shaped support tube, a first rotating mechanism is arranged in cooperation between the first connecting tube and the U-shaped support tube, a first locking mechanism for controlling the first rotating mechanism to lock and rotate is further arranged on the first connecting tube, a second rotating mechanism and a folding mechanism are arranged between the first connecting tube and the second connecting tube, a second locking mechanism for controlling the folding mechanism to lock and unfold is further arranged on the second connecting tube, and a vehicle loading support is further arranged on the second connecting tube.

2. A motorcycle backrest for vehicles provided with a folding structure according to claim 1, characterized in that: The first rotating mechanism comprises a fixed plate, a first rotating plate, a second rotating plate and a bolt, the fixed plate is connected to the inner side of the U-shaped support tube, a limiting hole is arranged on the fixed plate, the bolt is vertically arranged on the first connecting tube, the other end of the bolt passes through the limiting hole and is fixed with a nut, and the bolt moves in the limiting hole, the first rotating plate and the second rotating plate are respectively arranged on the first connecting tube and are respectively rotatably connected to the two ends of the U-shaped support tube, and the first rotating plate is located at the end of the U-shaped support tube provided with the fixed plate.

3. A motorcycle backrest for vehicles provided with a folding structure according to claim 2, characterized in that: The first locking mechanism comprises a first connecting seat, a first lock shaft and a first lock hole, the first connecting seat is arranged below the first connecting tube, the first lock shaft movably passes through the first connecting seat, the first lock hole is arranged at the end of the U-shaped support tube provided with the first fixed plate, and a positioning hole is correspondingly arranged on the first fixed plate, one end of the first lock shaft passes through the positioning hole and extends into or out of the first lock hole.

4. A motorcycle backrest for vehicle provided with folding structure as claimed in claim 1 wherein: The folding mechanism comprises a first linkage rod and a second linkage rod, one end of the first linkage rod is movably connected below the first connecting tube, the other end is movably connected to one end of the second linkage rod, the other end of the second linkage rod is movably connected below the second connecting tube, and a push rod is further arranged on the side of the second linkage rod.

5. A motorcycle backrest for vehicles provided with a folding structure according to claim 4, characterized in that: The second locking mechanism comprises a second connecting seat, a second lock shaft and a second lock hole, the second connecting seat is arranged below the second connecting tube, the second lock shaft movably passes through the second connecting seat, and the second lock hole is arranged on the second rotating plate, and one end of the second lock shaft extends into or out of the second lock hole.

6. A motorcycle backrest for vehicles provided with a folding structure according to claim 5, characterized in that: The second rotating mechanism comprises a rotating seat, one end of the second connecting tube is arranged on the rotating seat, a cylindrical piece is rotatably arranged on the rotating seat, and one end of the first connecting tube is formed with an arc-shaped socket which is fitted on the outer side of the cylindrical piece.

7. A motorcycle backrest for vehicles provided with a folding structure according to any one of claims 1-6, characterized in that: The vehicle loading support comprises a first support rod and a second support rod, the first support rod is connected with the second connecting tube, and the first support rod is parallel to the second connecting tube, the second support rod is arranged perpendicularly to the first support rod, and the second support rod is vertically arranged above the second connecting tube, a third support tube is vertically arranged on the side of the second support rod, a vehicle body placing rack is arranged above the first support rod, and vehicle wheel placing racks (21) are arranged at the two ends of the first support rod.

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