Foldable vehicle mount

Abstract

The utility model relates to a foldable vehicle-mounted rack, comprising a main frame (1), the left and right sides of the main frame (1) are respectively rotatably connected to a crossbeam (9) for placing a bicycle; the utility model is characterized in that the utility model further comprises a rear frame (3), the rear frame (3) is rotatably connected to the rear end of the main frame (1), the tail end of the rear frame (3) is provided with a connecting rod (2) that can be connected to a car, and the rear frame (3) is also provided with a locking shaft (5) for locking the rear frame (3) in a horizontal use position and a vertical folded position. In the vehicle-mounted rack, the connecting rod for connecting to the car is arranged on the rear frame, and the rear frame is connected to the rear end face of the main frame in a rotatable connection manner, and the rear frame can be locked in the horizontal use position and the vertical folded position in combination with the locking shaft. When stored, the rear frame is connected to the connecting rod and is in a vertical position, which greatly reduces the storage space.

Description

Technical Field

[0001] The utility model relates to an additional device for an automobile, in particular to a platform-type vehicle-mounted hanging rack connected to the rear of the automobile, the hanging rack can be used to hang bicycles or other articles. Background Art

[0002] In order to facilitate the use of cars to carry bicycles or electric bicycles, a bicycle rack for cars installed at the rear of cars for placing bicycles has appeared on the market. For example, a Chinese utility model patent "An adjustable bicycle rack for cars" with patent number ZL202022293586.9 (publication number CN213167907U) discloses such a vehicle-mounted rack structure, including a fixing rod, a connecting piece installed on the fixing rod by bolts, and a wheel fixing rod and a support rod installed on the connecting piece by bolts. The other end of the fixing rod is also installed with a pressing piece and a gasket by screws, and the pressing piece and the gasket can press the rear connecting rod. A positioning pin connected to the wheel fixing rod and the support rod is also installed on the connecting piece, and a latch is provided on the positioning pin; the position of the positioning pin can be fixed by the latch to prevent the positioning pin from falling off, and the positioning pin can fix the position of the wheel fixing rod and the support rod. When the frame is to be stored, the wheel fixing rod and the support rod can be folded by simply pulling out the positioning pin, without the need to completely disassemble the frame, which is convenient for the storage of the frame and the next installation and use of the frame.

[0003] Although the aforementioned vehicle-mounted rack can also reduce storage space, its operation is quite inconvenient. It is necessary to insert and remove the positioning pin, fold the wheel fixing rod and the support rod. What is more complicated is that the fixing rod used to connect with the car is not convenient to disassemble, and its external protruding connecting piece is relatively long. Although the fixing rod and the support rod are foldable, their folded size is still very large and inconvenient to store. Some people also disassemble the fixing rod to reduce the volume, but it is inconvenient to disassemble and assemble each time. In addition, when transporting, it needs to be carried by hand, which is quite laborious. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a foldable vehicle-mounted rack with a reasonable structural design and a rear end bracket connected to a car that can also be folded in view of the above-mentioned existing technical status.

[0005] The utility model adopts the following technical solution to solve the above technical problems: a foldable vehicle-mounted rack, comprising a main frame, the left and right sides of which are rotatably connected to crossbeams for placing bicycles; the utility model is characterized in that it also comprises a rear frame, the rear frame is rotatably connected to the rear end of the main frame, a connecting rod that can be connected to a car is provided at the tail end of the rear frame, and a locking shaft is also provided on the rear frame for locking the rear frame in a horizontal use position and a vertical folded position.

[0006] As a structure for locking a rear frame with a locking shaft, the locking shaft is rotatably connected to the rear of the main frame, and a clearance notch is provided on the peripheral wall of the locking shaft; the rear frame is provided with a first locking groove and a second locking groove, and when the locking shaft is inserted into the first locking groove, the locking shaft locks the rear frame in a horizontal use position; when the locking shaft is inserted into the second locking groove, the locking shaft locks the rear frame in a vertical folded position; when the locking shaft is rotated to the state where the clearance notch is aligned with the notch of the first locking groove or the second locking groove, the locking shaft releases the lock on the rear frame. This locking method is easy to operate, and locking or unlocking can be completed by rotating the locking shaft, the clearance notch of the locking shaft deviates from the notch position of the first locking groove or the second locking groove, and part or all of the arc segment of the locking shaft is inserted into the first locking groove, that is, the state where the locking shaft is inserted into the first locking groove; part or all of the arc segment of the locking shaft is inserted into the second locking groove, that is, the state where the locking shaft is inserted into the second locking groove.

[0007] In order to facilitate the operation of the locking shaft to rotate around its own axis, a radially outwardly protruding handle is provided on the locking shaft, and a limiting member is fixed on the rear frame. When the locking shaft is rotated to the locking position, the limiting member blocks the handle.

[0008] As an improvement, the above-mentioned limiter has a fixed wall, the lower part of which has a square hole formed by bending, a limit slot is opened on the side wall of the square hole, the locking shaft is inserted into the square hole, the handle passes through the limit slot and can swing with the locking shaft in the limit slot, and the lower slot wall of the limit slot forms a block for the handle. The limiter is formed by bending a plate, and the limit slot has a restraining effect on the handle

[0009] As a further improvement, the rear frame has two side panels and a back panel, the back panel is fixed to the rear between the two side panels, the connecting rod is fixed to the back panel, the two side panels are provided with the first locking groove and the second locking groove, the locking shaft has two clearance notches which correspond to the positions of the two side panels respectively; the side panels are rotatably connected to the rear side of the main frame via a pin shaft. The rear frame is a roughly U-shaped frame structure with better overall strength, and the other two side panels are locked with the locking shafts respectively, so the locking effect is more stable.

[0010] As an improvement, the rear end of the main frame is provided with two connecting pieces extending backward and spaced apart from each other, the left and right ends of the locking shaft are rotatably connected to the connecting pieces, and the pin shaft is correspondingly rotatably connected to the corresponding connecting pieces. The connecting piece provides a suitable installation position for the setting of the locking shaft, and enables the locking shaft and the main frame to be roughly on the same plane, and a spacing is formed between the locking shaft and the rear beam of the main frame, which is conducive to the assembly of the limiter.

[0011] As a further improvement, an N-shaped handle is fixed to the main frame, and the crossbeam and the rear frame are located at the front and rear sides of the handle. The handle can be used to tie the folded crossbeam to the handle for easy storage, and the handle is also convenient for users to carry.

[0012] The vehicle-mounted bracket is heavy and difficult to carry. To facilitate the movement of the vehicle-mounted bracket, rollers are provided at the bottom of the main frame. In this way, the vehicle-mounted bracket can be pushed by holding the handle.

[0013] As a further improvement, the locking shaft is also provided with a torsion spring which keeps the locking shaft rotating toward the locking position, that is, the torsion spring keeps the yielding notch facing away from the first locking groove or the second locking groove. The torsion spring can actively lock the rear frame when the rear frame swings to the storage position or the use position, which is convenient for operation.

[0014] Compared with the prior art, the utility model has the following advantages: the connecting rod used for connecting with the car in the vehicle-mounted hanger is arranged on the rear frame, and the rear frame is connected to the rear end surface of the main frame by a rotating connection, and combined with the locking shaft, the rear frame can be locked in a horizontal use position and a vertical folding position. When storing, the rear frame is connected to the connecting rod and is in a vertical position, which greatly reduces the storage space. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of an embodiment of the utility model (the rear frame is in an expanded state);

[0016] Figure 2 This is a three-dimensional exploded view of the frame part in the embodiment of the utility model;

[0017] Figure 3 This is a three-dimensional structural diagram of an embodiment of the utility model (the rear frame is folded);

[0018] Figure 4 It is a three-dimensional schematic diagram of the rear frame in the embodiment of the utility model;

[0019] Figure 5 It is a three-dimensional schematic diagram of the locking shaft in the embodiment of the utility model. DETAILED DESCRIPTION

[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0021] like Figures 1 to 5 Shown is a preferred embodiment of the utility model.

[0022] A foldable vehicle-mounted rack comprises a main frame 1, and the left and right sides of the main frame 1 are rotatably connected to crossbeams 9 for placing bicycles. The structure of the main frame 1 can refer to the prior art.

[0023] It also includes a rear frame 3, which is rotatably connected to the rear end of the main frame 1. The tail end of the rear frame 3 is provided with a connecting rod 2 that can be connected to the car, and the connecting rod 2 is tubular. The rear frame 3 is also provided with a locking shaft 5 for locking the rear frame 3 in a horizontal use position and a vertical folded position. The rear end of the main frame 1 is provided with two connecting pieces 11 extending backward and spaced apart from each other. The left and right ends of the locking shaft 5 are rotatably connected to the connecting pieces 11, and the pins 33 are correspondingly rotatably connected to the corresponding connecting pieces 11.

[0024] The locking shaft 5 is rotatably connected to the rear part of the main frame 1, and a clearance notch 51 is provided on the peripheral wall of the locking shaft 5; the rear frame 3 is provided with a first locking groove 3a and a second locking groove 3b. When the locking shaft 5 is inserted into the first locking groove 3a, the locking shaft 5 locks the rear frame 3 in a horizontal use position; when the locking shaft 5 is inserted into the second locking groove 3b, the locking shaft 5 locks the rear frame 3 in a vertical folded position; when the locking shaft 5 is rotated to the state where the clearance notch 51 is aligned with the notch of the first locking groove 3a or the second locking groove 3b, the locking shaft 5 releases the lock on the rear frame 3. The clearance notch 51 of the locking shaft 5 deviates from the notch position of the first locking groove 3a or the second locking groove 3b, and part or all of the arc segment of the locking shaft 5 is inserted into the first locking groove 3a, that is, the state where the locking shaft 5 is inserted into the first locking groove 3a; and part or all of the arc segment of the locking shaft 5 is inserted into the second locking groove 3b, that is, the state where the locking shaft 5 is inserted into the second locking groove 3b. The locking shaft 5 is also provided with a torsion spring 8 which keeps the locking shaft 5 in a rotational trend toward the locking position.

[0025] The locking shaft 5 is provided with a handle 52 protruding radially outward, and a limiting member 6 is fixed on the rear frame 3. When the locking shaft 5 is rotated to the locking position, the limiting member 6 blocks the handle 52. The limiting member 6 has a fixed wall 61, and the lower part of the fixed wall 61 has a square hole 62 formed by bending. The side wall of the square hole 62 is provided with a limiting groove 621. The locking shaft 5 is inserted into the square hole 62, and the handle 52 passes through the limiting groove 621 and can swing with the locking shaft 5 in the limiting groove 621. The lower groove wall of the limiting groove 621 blocks the handle 52.

[0026] The rear frame 3 has two side panels 31 and a back panel 32. The back panel 32 is fixed at the rear between the two side panels 31. The connecting rod 2 is fixed on the back panel 32. The two side panels 31 are provided with the first locking groove 3a and the second locking groove 3b. The locking shaft 5 has two clearance notches 51 which correspond to the positions of the two side panels 31 respectively. The side panels 31 are rotatably connected to the rear side of the main frame 1 through the pin shaft 33.

[0027] An N-shaped handle 7 is also fixed to the main frame 1, and a crossbeam 9 and a rear frame 3 are located at the front and rear sides of the handle 7. A roller 4 is provided at the bottom of the main frame 1.

[0028] like Figure 1 As shown, when in use, the rear frame 3 is rotated to a horizontal position relative to the main frame 1. At this time, the connecting rod 2, the rear frame 3 and the main frame 1 are roughly in a horizontal position. At this time, part or all of the arc segment of the locking shaft 5 is inserted into the first locking groove 3a, and the clearance notch 51 of the locking shaft 5 deviates from the first locking groove 3a, thereby locking the rear frame 3 in a horizontal position.

[0029] like Figure 3 As shown, when folded, the handle 52 drives the locking shaft 5 to rotate, and the clearance notch 51 of the locking shaft 5 is aligned with the notch of the first locking groove 3a, and the locking shaft 5 releases the lock on the rear frame 3. The rear frame 3 is rotated to the vertical folded position, and the clearance notch 51 of the locking shaft 5 is aligned with the notch of the second locking groove 3b, and then the handle 52 is released, and the locking shaft 5 rotates under the action of the torsion spring 8, and part or all of the arc segment of the locking shaft 5 is inserted into the second locking groove 3b, and the clearance notch 51 of the locking shaft 5 deviates from the second locking groove 3b, and the rear frame 3 is locked in the folded position.

[0030] It should be noted that in the description of this embodiment, the terms "front, rear", "left, right", "up, down", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. The terms "install", "connect", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A foldable vehicle-mounted rack, comprising a main frame (1), the left and right sides of the main frame (1) are rotatably connected to beams (9) for placing bicycles; characterized in that: The invention also comprises a rear frame (3), wherein the rear frame (3) is rotatably connected to the rear end of the main frame (1), and the tail end of the rear frame (3) is provided with a connecting rod (2) which can be connected to the automobile, and the rear frame (3) is also provided with a locking shaft (5) for locking the rear frame (3) in a horizontal use position and a vertical folding position.

2. The foldable vehicle-mounted rack according to claim 1, characterized in that: The locking shaft (5) is rotatably connected to the rear of the main frame (1), and a clearance notch (51) is provided on the peripheral wall of the locking shaft (5); a first locking groove (3a) and a second locking groove (3b) are provided on the rear frame (3); when the locking shaft (5) is inserted into the first locking groove (3a), the locking shaft (5) locks the rear frame (3) in a horizontal use position; when the locking shaft (5) is inserted into the second locking groove (3b), the locking shaft (5) locks the rear frame (3) in a vertical folding position; when the locking shaft (5) is rotated to a state where the clearance notch (51) is aligned with the notch of the first locking groove (3a) or the second locking groove (3b), the locking shaft (5) releases the lock on the rear frame (3).

3. The foldable vehicle-mounted rack according to claim 2, characterized in that: The locking shaft (5) is provided with a radially outwardly protruding handle (52), and a limiting member (6) is fixed on the rear frame (3). When the locking shaft (5) is rotated to a locking position, the limiting member (6) blocks the handle (52).

4. The foldable vehicle-mounted rack according to claim 3, characterized in that: The limiting member (6) comprises a fixed wall (61), the lower part of which comprises a square hole (62) formed by bending, a limiting groove (621) is formed on the side wall of the square hole (62), the locking shaft (5) is inserted into the square hole (62), the handle (52) passes through the limiting groove (621) and can swing along with the locking shaft (5) in the limiting groove (621), and the lower groove wall of the limiting groove (621) blocks the handle (52).

5. The foldable vehicle-mounted rack according to claim 2, characterized in that: The rear frame (3) comprises two side panels (31) and a back panel (32); the back panel (32) is fixed to the rear portion between the two side panels (31); the connecting rod (2) is fixed to the back panel (32); the two side panels (31) are both provided with the first locking groove (3a) and the second locking groove (3b); the locking shaft (5) has two clearance notches (51) which respectively correspond to the positions of the two side panels (31); the side panels (31) are rotatably connected to the rear side of the main frame (1) via a pin shaft (33).

6. The foldable vehicle-mounted rack according to claim 5, characterized in that: The rear end of the main frame (1) is provided with two connecting plates (11) extending backward and spaced apart from each other. The left and right ends of the locking shaft (5) are rotatably connected to the connecting plates (11), and the pin shaft (33) is correspondingly rotatably connected to the corresponding connecting plates (11).

7. The foldable vehicle-mounted rack according to claim 1, characterized in that: An N-shaped handle (7) is also fixed on the main frame (1), and the crossbeam (9) and the rear frame (3) are located at the front and rear sides of the handle (7).

8. The foldable vehicle-mounted rack according to claim 1, characterized in that: A roller (4) is provided at the bottom of the main frame (1).

9. The foldable vehicle-mounted rack according to claim 1, characterized in that: The locking shaft (5) is also provided with a torsion spring (8) which enables the locking shaft (5) to maintain a tendency to rotate toward a locking position.

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