Adjustable trailer

Abstract

The utility model belongs to the technical field of trailers, and particularly relates to an adjustable trailer which comprises a trailer frame, a through shaft is fixedly connected to the lower side of the trailer frame in an inserted mode, swing arms are rotationally connected to the front end and the rear end of the through shaft respectively, wheels are rotationally connected to the opposite sides of the swing arms on the front side and the rear side respectively, and fender supports are fixedly connected to the upper sides of the swing arms. A fender support is fixedly connected to the upper side of the trailer frame, a fender is fixedly connected to the upper side of the fender support, damping seats are fixedly connected to the front side and the rear side of the trailer frame, and crank arms are rotationally connected to the front side and the rear side of the trailer frame. The operation is troublesome, and manpower and material resources are wasted; the problems that vehicles transported by an existing device are prone to shaking and unstable, the vehicles are collided and damaged, most fixing structures can only transport specific vehicles, transportation of various vehicles cannot be coped, and practicability is low are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of trailers, in particular to an adjustable trailer. Background Art

[0002] A trailer is a vehicle towed by a car without its own power drive device. It has a low deck height and a large load capacity. There is no risk of tire puncture or blowout. It is safe, simple and durable. It has no power and needs a tractor or forklift to tow it. Usually, a train of vehicles consisting of one or more flatbed trucks and a forklift or tractor is used to transport goods or carry large equipment, which greatly improves the efficiency of cargo transfer and reduces the cost of vehicles and manpower. The truck and tractor are the driving section of the car train, called the main vehicle; the driven section towed by the main vehicle is called the trailer. It is an important type of road transportation and the most effective and simple means to improve economic benefits.

[0003] It is difficult for the existing devices to transport the transport vehicle to the upper side of the trailer frame. The existing devices often need to be hoisted on the upper side of the trailer frame, which is troublesome and wastes manpower and material resources. In addition, when the existing devices are transporting vehicles, the trailer is bumped and vibrated, and the transported vehicles are prone to shaking and instability, resulting in vehicle collision and damage. Moreover, most of the fixed structures can only transport specific types of vehicles and are often unable to cope with the transportation of multiple vehicles, so the practicality is low. Utility Model Content

[0004] The purpose of the utility model is to provide an adjustable trailer to solve the problem that the existing device proposed in the above background technology is difficult to transport the transport vehicle to the upper side of the trailer frame, and often needs to be hung on the upper side of the trailer frame by a crane, which is troublesome and wastes manpower and material resources; the vehicles transported by the existing device are prone to shaking and instability, resulting in vehicle collision damage, and most of the fixed structures can only transport specific types of vehicles, and are often unable to cope with the transportation of multiple vehicles, thus having low practicality.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable trailer, comprising a trailer frame, a through shaft is fixedly inserted at the lower side of the trailer frame, the front and rear ends of the through shaft are rotatably connected to swing arms, the opposite sides of the swing arms at the front and rear sides are rotatably connected to wheels, the upper side of the swing arm is fixedly connected to a fender support, the upper side of the fender support is fixedly connected to a fender, the front and rear sides of the trailer frame are fixedly connected to shock-absorbing seats, the front and rear sides of the trailer frame are rotatably connected to crank arms, and the lower end of the crank arm is movable A shock absorber is movably hingedly connected, and one end of the shock absorber away from the crank arm is movably hinged to the left side of the shock absorber seat, the upper end of the crank arm is movably hinged with a cylinder, the telescopic end of the cylinder is movably hinged to the upper side of the swing arm, the upper side of the swing arm is movably hinged with a safety lock, and the safety lock is clamped with the telescopic end of the cylinder, a tool box is fixedly connected to the upper left edge of the trailer frame, and a front baffle is symmetrically connected to the upper left edge of the trailer frame, and the two front baffles are located at the front and rear sides of the tool box, and a rear baffle is movably hinged on the right side of the trailer frame.

[0006] Preferably, the crank arm is located on the left side of the shock absorber seat, the shock absorber seat is located on the left side of the swing arm, the crank arm is located on the left side of the shock absorber seat, the two fender supports are located on opposite sides of the wheel, and the fender is located above the wheel.

[0007] Preferably, the front and rear sides of the trailer frame are fixedly connected with protective covers, and the shock-absorbing seat, crank arm, shock absorber and oil cylinder are located on the inner side of the protective cover.

[0008] Preferably, a traction rod is fixedly connected to the left side of the trailer frame, a connector is fixedly connected to the left side of the traction rod, and a hook is rotatably connected to the lower side of the traction rod.

[0009] Preferably, an adjustment seat is fixedly connected to the upper side of the trailer frame, and the adjustment seat is located on the left side of the tool box. An adjustment stud is movably screwed between the trailer frame and the adjustment seat, and a rotating handle is fixedly connected to the upper end of the adjustment stud, and a support wheel is fixedly connected to the lower end of the adjustment stud.

[0010] Preferably, a fixing seat is evenly connected to the front and rear of the upper side of the trailer frame, a front frame is fixedly connected to the left end of the upper side of the fixing seat, a hinge shaft is penetrated and connected to the front and rear sides of the fixing seat, a rear frame is movably hinged to the upper side of the fixing seat through the hinge shaft, a pin is penetrated and inserted at the front and rear ends of the hinge shaft, and the lower end of the pin is inserted into the upper side of the trailer frame.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1) When not in use, turn the handle to lower the screw-connected adjustment studs, drive the support wheel to the ground, support the trailer frame, and prevent the device from bottoming out and wearing out. When in use, turn the handle to continue lowering the screw-connected adjustment studs, lift up the left side of the trailer frame, tilt the device to a suitable angle, open the tailgate, and drive the vehicle to the upper side of the trailer frame through the tilted tailgate and the trailer frame. When moving, turn the handle to raise and retract the screw-connected adjustment studs.

[0013] 2) When the vehicle drives into the upper side of the trailer frame, the right end of the hinged rear frame is fitted against the upper side of the fixing seat to facilitate the movement of the front wheel of the vehicle to the upper side of the fixing seat, and then the right end of the rear frame is lifted to fit the right end of the rear frame against the front wheel of the vehicle, so that the front frame and the rear frame wrap the front wheel of the vehicle, and then the pin is passed through the hinge shaft and inserted into the upper side of the trailer frame to limit and fix the rear frame. There are three fixing seats evenly arranged at the front and rear, so that it can be applied to motorcycles, tricycles and four-wheeled vehicles, and is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0016] Figure 3 This is a schematic diagram of the main structure of the oil cylinder;

[0017] Figure 4 It is a schematic diagram of the top view of the fixed seat.

[0018] In the figure: 1. trailer frame, 2. through axle, 3. swing arm, 4. wheel, 5. fender support, 6. fender, 7. shock absorber seat, 8. crank arm, 9. shock absorber, 10. cylinder, 11. safety lock, 12. tool box, 13. front baffle, 14. rear baffle, 15. protective cover, 16. tow bar, 17. connector, 18. hook, 19. adjustment seat, 20. adjustment stud, 21. turning handle, 22. support wheel, 23. fixed seat, 24. front frame, 25. articulated shaft, 26. rear frame, 27. latch. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", 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 should not be understood as a limitation on the present invention.

[0021] Example:

[0022] See also Figure 1-4 The utility model provides a technical solution: an adjustable trailer, including a trailer frame 1, a through shaft 2 is fixedly inserted on the lower side of the trailer frame 1, the front and rear ends of the through shaft 2 are rotatably connected to swing arms 3, the opposite sides of the front and rear swing arms 3 are rotatably connected to wheels 4, the upper side of the swing arms 3 is fixedly connected to a fender support 5, the upper side of the fender support 5 is fixedly connected to a fender 6, the front and rear sides of the trailer frame 1 are fixedly connected to shock absorber seats 7, the front and rear sides of the trailer frame 1 are rotatably connected to crank arms 8, the lower end of the crank arm 8 is movably hinged with a shock absorber 9, the shock absorber 9 is an existing structure and is not described in detail, the end of the shock absorber 9 away from the crank arm 8 is movably hinged to the left side of the shock absorber seat 7, the upper end of the crank arm 8 is movably hinged with an oil cylinder 10, the oil cylinder 1 The telescopic end of 0 is movably hinged with the upper side of the swing arm 3. When vibrating, the lower end of the crank arm 8 pushes the shock absorber 9 through the lever principle, so that the telescopic end of the cylinder 10 offsets the impact of the vibration with the help of the shock absorber 9 and the reverse thrust of the cylinder 10 itself to stabilize the trailer. The upper side of the swing arm 3 is movably hinged with a safety lock 11, and the safety lock 11 is engaged with the telescopic end of the cylinder 10 to prevent the cylinder 10 from being damaged and causing the device to lose balance, thereby avoiding danger. A tool box 12 is fixedly connected to the upper left edge of the trailer frame 1 for placing tools. A front baffle 13 is symmetrically connected to the upper left edge of the trailer frame 1. The two front baffles 13 are located on the front and rear sides of the tool box 12 for protecting and blocking debris. A rear baffle 14 is movably hinged on the right side of the trailer frame 1.

[0023] Among them, the crank arm 8 is located on the left side of the shock absorber seat 7, the shock absorber seat 7 is located on the left side of the swing arm 3, the crank arm 8 is located on the left side of the shock absorber seat 7, the two fender supports 5 are located on the opposite sides of the wheel 4, the fender 6 is located above the wheel 4, the front and rear sides of the trailer frame 1 are fixedly connected with a protective cover 15, the shock absorber seat 7, the crank arm 8, the shock absorber 9 and the cylinder 10 are located on the inner side of the protective cover 15 for protecting the internal structure, and the left side of the trailer frame 1 is fixedly connected with a traction rod 16, the traction rod 1 The left side of the trailer frame 1 is fixedly connected with a connector 17, the trailer frame 1 is connected to the connector 17 through a towing rod 16, the lower side of the towing rod 16 is rotatably connected with a hook 18, the auxiliary device is connected, the upper side of the trailer frame 1 is fixedly connected with an adjustment seat 19, the adjustment seat 19 is located on the left side of the tool box 12, the trailer frame 1 and the adjustment seat 19 are movably screwed with an adjustment stud 20, the upper end of the adjustment stud 20 is fixedly connected with a rotating handle 21, and the lower end of the adjustment stud 20 is fixedly connected There are supporting wheels 22, and the upper side of the trailer frame 1 is evenly connected with a fixing seat 23, and three fixing seats 23 are evenly arranged at the front and back, so that it can be suitable for motorcycles, tricycles and four-wheeled vehicles, and it is more practical. The left end of the upper side of the fixing seat 23 is fixedly connected with a front frame 24, and the front and rear sides of the fixing seat 23 are connected through an articulation shaft 25. The upper side of the fixing seat 23 is movably articulated with a rear frame 26 through the articulation shaft 25, and the right end of the articulated rear frame 26 fits the upper side of the fixing seat 23. The right end of the rear frame 26 is lifted, and the right end of the rear frame 26 is fitted with the front wheel of the vehicle to limit the front wheel of the vehicle. The front wheel of the vehicle is wrapped by the front frame 24 and the rear frame 26. The front and rear ends of the articulated shaft 25 are penetrated and plugged with a pin 27. The lower end of the pin 27 is plugged with the upper side of the trailer frame 1. The pin 27 penetrates the articulated shaft 25 and is plugged on the upper side of the trailer frame 1 to limit and fix the rear frame 26.

[0024] Working principle: When not in use, turn the rotating handle 21 to lower the screw-connected adjusting stud 20, drive the supporting wheel 22 to the ground, support the trailer frame 1, and prevent the device from touching the bottom and wearing out. When in use, turn the rotating handle 21 to lower the screw-connected adjusting stud 20, lift the left side of the trailer frame 1, and tilt the device to a suitable angle. Then open the tailgate 14, and drive the vehicle through the tilted tailgate 14 and the trailer frame 1 to the upper side of the trailer frame 1. When moving, turn the rotating handle 21 to raise and retract the screw-connected adjusting stud 20. When the vehicle When driving into the upper side of the trailer frame 1, the right end of the hinged rear frame 26 is fitted against the upper side of the fixing seat 23 to facilitate the movement of the front wheel of the vehicle to the upper side of the fixing seat 23, and then the right end of the rear frame 26 is lifted to fit the right end of the rear frame 26 against the front wheel of the vehicle, so that the front frame 24 and the rear frame 26 wrap the front wheel of the vehicle, and then the pin 27 is passed through the hinge shaft 25 and inserted into the upper side of the trailer frame 1 to limit and fix the rear frame 26, and three fixing seats 23 are evenly arranged at the front and rear, so that it can be suitable for motorcycles, tricycles and four-wheeled vehicles, and is more practical.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable trailer, comprising a trailer frame (1), characterized in that: A through shaft (2) is fixedly inserted at the lower side of the trailer frame (1), and the front and rear ends of the through shaft (2) are rotatably connected to swing arms (3), and the opposite sides of the swing arms (3) at the front and rear sides are rotatably connected to wheels (4), and the upper side of the swing arms (3) is fixedly connected to a fender support (5), and the upper side of the fender support (5) is fixedly connected to a fender (6), and the front and rear sides of the trailer frame (1) are fixedly connected to shock absorber seats (7), and the front and rear sides of the trailer frame (1) are rotatably connected to crank arms (8), and the lower end of the crank arm (8) is movably hinged to a shock absorber (9), and the end of the shock absorber (9) away from the crank arm (8) is connected to the shock absorber. The left side of the shock seat (7) is movably hinged, the upper end of the crank arm (8) is movably hinged with a cylinder (10), the telescopic end of the cylinder (10) is movably hinged with the upper side of the swing arm (3), the upper side of the swing arm (3) is movably hinged with a safety lock (11), the safety lock (11) is clamped with the telescopic end of the cylinder (10), the upper left edge of the trailer frame (1) is fixedly connected with a tool box (12), the upper left edge of the trailer frame (1) is symmetrically connected with a front baffle (13), the two front baffles (13) are located at the front and rear sides of the tool box (12), and the right side of the trailer frame (1) is movably hinged with a rear baffle (14).

2. An adjustable trailer according to claim 1, characterized in that: The crank arm (8) is located on the left side of the shock absorber seat (7), the shock absorber seat (7) is located on the left side of the swing arm (3), the crank arm (8) is located on the left side of the shock absorber seat (7), the two fender supports (5) are located on opposite sides of the wheel (4), and the fender (6) is located above the wheel (4).

3. An adjustable trailer according to claim 1, characterized in that: The front and rear sides of the trailer frame (1) are fixedly connected with a protective cover (15), and the shock-absorbing seat (7), the crank arm (8), the shock absorber (9) and the oil cylinder (10) are located on the inner side of the protective cover (15).

4. An adjustable trailer according to claim 1, characterized in that: The left side of the trailer frame (1) is fixedly connected to a traction rod (16), the left side of the traction rod (16) is fixedly connected to a connector (17), and the lower side of the traction rod (16) is rotatably connected to a hook (18).

5. The adjustable trailer according to claim 1, characterized in that: An adjusting seat (19) is fixedly connected to the upper side of the trailer frame (1), and the adjusting seat (19) is located on the left side of the tool box (12). An adjusting stud (20) is movably screwed between the trailer frame (1) and the adjusting seat (19), and a rotating handle (21) is fixedly connected to the upper end of the adjusting stud (20), and a supporting wheel (22) is fixedly connected to the lower end of the adjusting stud (20).

6. An adjustable trailer according to claim 1, characterized in that: The upper side of the trailer frame (1) is evenly connected to a fixing seat (23) at the front and rear ends, a front frame (24) is fixedly connected to the left end of the upper side of the fixing seat (23), a hinge shaft (25) is passed through the front and rear sides of the fixing seat (23), a rear frame (26) is movably hinged to the upper side of the fixing seat (23) through the hinge shaft (25), a latch (27) is passed through and inserted at the front and rear ends of the hinge shaft (25), and the lower end of the latch (27) is inserted into the upper side of the trailer frame (1).

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