Trailer device

Abstract

The present invention relates to a trailer device, which includes a connecting component and a fixing component connected to the distal end of the connecting component. The connecting component includes a connecting rod, the distal end of the connecting rod is connected to a power component, a rotating rod is provided at the distal end of the power component, the distal end of the rotating rod is connected to the fixing component, and the fixing component is used to fix the front wheel part of a vehicle body. The trailer device also includes a controller and a center of gravity detection device. The center of gravity detection device is provided on the vehicle body and is used to detect the posture of the vehicle body. The controller is used to control the power component to drive the rotating rod to rotate according to the detection result of the center of gravity detection device to adjust the posture of the vehicle body. The trailer device has a simple structure and high trailer safety. It is suitable for two-wheeled and three-wheeled vehicles.

Description

Technical Field

[0001] The present invention relates to the technical field of trailer tools, in particular to a trailer device. Background Art

[0002] In the prior art, a chain is usually used to fix the towed vehicle to tow the vehicle. For example, Chinese invention patent No. CN102963225A discloses a vehicle towing device and a method for using the same. The towing device includes a fixed bracket arm for fixing the towing device to the vehicle body, the fixed bracket arm is provided with a rotating shaft, and the rotating shaft rotates relative to the fixed bracket arm; a tow rope is wound around the rotating shaft, and one end of the tow rope is fixed to the rotating shaft, and the other end of the tow rope is connected to the tow hook. A drive motor is installed on the rotating shaft, and the drive motor drives the rotating shaft to move in both clockwise and counterclockwise directions.

[0003] Alternatively, a concave plate is used to clamp into the tire for towing. For example, the Chinese invention patent with document number CN210236499U discloses an automatic towing device, which is characterized in that: a small frame is provided on the truck scale, and a power device is provided on both sides or both edges of the truck scale, and the power device drives the small frame to move indirectly or directly; the small frame includes two identical first small frames, and the two first small frames are connected to form a small frame through an intermediate connecting piece, and the first small frame includes a roller assembly and a groove plate provided on the roller assembly.

[0004] When the towing object is an electric vehicle, a two-wheeled motorcycle or a three-wheeled vehicle, the front wheel part has only one tire. Using the above two towing devices can easily cause the balance of the vehicle body to shift, resulting in the vehicle falling and causing damage to the vehicle body. Summary of the Invention

[0005] In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a trailer device to solve one or more problems in the prior art.

[0006] To achieve the above object, the technical solution of the present invention is as follows:

[0007] A trailer device, the trailer device includes a connecting component and a fixing component connected to the distal end of the connecting component, the connecting component includes a connecting rod, the distal end of the connecting rod is connected to a power component, a rotating rod is provided at the distal end of the power component, the distal end of the rotating rod is connected to the fixing component, the fixing component is used to fix the front wheel part of the vehicle body, the trailer device also includes a controller and a center of gravity detection device, the center of gravity detection device is provided on the vehicle body, and is used to detect the posture of the vehicle body, the controller is used to control the power component to drive the rotating rod to rotate according to the detection result of the center of gravity detection device, so as to adjust the posture of the vehicle body.

[0008] Furthermore, the fixing assembly includes a lifting assembly and a clamping assembly slidably connected to the distal end of the lifting assembly, and a portion of the proximal end of the lifting assembly is connected to the rotating rod.

[0009] Furthermore, the lifting assembly includes a slide rail groove and a slide rail sliding in the slide rail groove. At least one screw rod is also provided at the proximal end of the slide rail. A nut for the screw rod to pass through is provided at the proximal end of the slide rail groove. A connecting plate is provided at the distal end of the slide rail groove to connect the clamping assembly.

[0010] Furthermore, a plurality of first fixing holes are provided on the slide rail groove and the slide rail for the fixing members to pass through.

[0011] Furthermore, the lifting assembly includes a fixed plate, a fixed rod, a support plate, and at least one screw rod and at least two sliding rods connected between the fixed plate and the fixed rod. The proximal end of the support plate has a nut threadedly connected to the screw rod, the distal end of the support plate has a rod sleeve sliding along the sliding rod, the proximal end of the support plate is connected to the rotating rod, and the distal end of the support plate is provided with a connecting plate connected to the clamping assembly.

[0012] Furthermore, the clamping assembly includes at least one support arm, and connecting rods are respectively provided on opposite sides of the support arm, and the connecting rods are used to connect the front wheel part of the vehicle body.

[0013] Furthermore, a support plate is provided on the opposite side of the support arm.

[0014] Furthermore, the support arm is provided with a plurality of second fixing holes along the length direction for the connecting rod to pass through.

[0015] Furthermore, the power assembly includes a reducer and a motor connected to the reducer.

[0016] Furthermore, the center of gravity detection device is a gyroscope.

[0017] Furthermore, the center of gravity detection device is a photoelectric sensor.

[0018] Furthermore, the center of gravity detection device is an encoder.

[0019] Furthermore, the center of gravity detection device is a proximity switch.

[0020] Furthermore, the center of gravity detection device is a magnetic switch.

[0021] Furthermore, the center of gravity detection device is a mercury switch.

[0022] Compared with the prior art, the beneficial technical effects of the present invention are as follows:

[0023] (1) When the trailer device of the present invention is towing a vehicle, the center of gravity detection device detects the deflection of the vehicle body posture, converts the position signal into an electrical signal and transmits it to the controller. The controller controls the rotation of the motor according to the detection result of the center of gravity detection device, and the motor drives the reducer to drive the rotating rod to rotate, so that the vehicle body remains balanced. The structure is simple, the trailer safety is high, and it is suitable for two-wheeled and three-wheeled vehicles.

[0024] (2) Furthermore, the support plate can be moved along the screw rod and the slide rod by rotating the screw rod, so as to facilitate adjusting the position of the support plate according to the size and shape of the front wheel part of the vehicle body and lifting the front wheel of the towed vehicle.

[0025] (3) Furthermore, the support arm is provided with a plurality of fixing holes along the length direction, so that the position of the connecting rod can be adjusted to adapt to different sizes of the front wheel part of the vehicle body. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 An axonometric view of a trailer device provided in the first embodiment of the present invention is shown.

[0027] Figure 2 A partial structural schematic diagram of a trailer device provided in Example 1 of the present invention is shown.

[0028] Figure 3 A schematic structural diagram of a connecting assembly in a trailer device provided in a first embodiment of the present invention is shown.

[0029] Figure 4 A partial structural schematic diagram of a trailer device provided in the second embodiment of the present invention is shown.

[0030] Figure 5 A partial structural schematic diagram of a lifting assembly in a trailer device provided in the second embodiment of the present invention is shown.

[0031] Figure 6 A connection diagram of the trailer device provided in the first embodiment of the present invention is shown.

[0032] In the accompanying drawings:

[0033] 1. Connecting rod; 2. Motor; 3. Reducer; 4. Rotating rod; 5. Lifting assembly; 51. Slide rail; 52. Slide rail groove; 521. First fixing hole; 53. Screw rod; 54. Slide rod; 55. Connecting plate; 56. Fixing plate; 57. Fixing rod; 58. Support plate; 581. Nut; 582. Rod sleeve; 6. Clamping assembly; 61. Support arm; 611. Second fixing hole; 62. Connecting rod; 7. Controller; 8. Vehicle body; 81. Front wheel part; 9. Center of gravity detection device. DETAILED DESCRIPTION

[0034] To make the objectives, features, and advantages of the present invention more clearly understood, please refer to the accompanying drawings. It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings in this specification are intended solely to complement the contents disclosed herein and to facilitate understanding and reading by those skilled in the art. They are not intended to limit the conditions for the implementation of the present invention and therefore have no substantial technical significance. Any structural modifications, changes in proportions, or adjustments in size, provided they do not affect the efficacy and objectives of the present invention, should still fall within the scope of the technical content disclosed by the present invention.

[0035] In the description of the present invention, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like are defined as indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. These are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, they should not be understood as limiting the present invention.

[0036] In order to more clearly describe the structure of the trailer device, the present invention defines the terms "distal end" and "proximal end". Specifically, "distal end" refers to the end away from the trailer, and "proximal end" refers to the end close to the trailer. Figure 1 For example, Figure 1 The right side of the middle connecting rod 1 is the proximal end. Figure 1 The left side of the middle connecting rod 1 is the distal end.

[0037] Example 1

[0038] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 6 , a trailer device, the trailer device includes a connecting component and a fixing component connected to the distal end of the connecting component, the connecting component includes a connecting rod 1, the distal end of the connecting rod 1 is connected to a power component, a rotating rod 4 is provided at the distal end of the power component, the distal end of the rotating rod 4 is connected to the fixing component, the fixing component is used to fix the front wheel part 81 of the vehicle body 8, the trailer device also includes a controller 7 and a center of gravity detection device 9, the center of gravity detection device 9 is provided on the vehicle body 8, and is used to detect the posture of the vehicle body 8, the controller 7 is used to control the power component to drive the rotating rod 4 to rotate according to the detection result of the center of gravity detection device 9, so as to adjust the posture of the vehicle body 8.

[0039] Please refer to Figure 1 and Figure 2Furthermore, the power assembly includes a reducer 3 and a motor 2 connected to the side of the reducer 3. The proximal end of the reducer 3 is fixed with a connecting rod 1, and the distal end of the reducer 3 is rotatably connected to a rotating rod 4.

[0040] Preferably, in the trailer device described in Example 1 of the present invention, the center of gravity detection device 9 is a gyroscope, and the gyroscope is used to detect the posture of the vehicle body 8. The gyroscope is preferably a commercially available gyroscope module, such as MPU6050, which belongs to the prior art. Preferably, the controller 7 uses a commercially available single-chip microcomputer, such as STM32F407, and uses the control program of the single-chip microcomputer or downloads the gyroscope module control program in the prior art to the single-chip microcomputer for control. Of course, the center of gravity detection device 9 can also use any one of a photoelectric sensor, a proximity switch, a magnetic switch, and a mercury switch, as long as it can meet the requirements of detecting the posture of the vehicle body 8, and the present invention does not impose further restrictions on this.

[0041] The specific structure of the fixing assembly is described below:

[0042] Please refer to Figure 1 and Figure 2 Furthermore, the fixing assembly includes a lifting assembly 5 and a clamping assembly 6 slidably connected to the distal end of the lifting assembly 5 , and a portion of the proximal end of the lifting assembly 5 is connected to the rotating rod 4 .

[0043] Please refer to Figure 1 and Figure 2 Furthermore, the lifting assembly 5 includes a slide rail groove 52 and a slide rail 51 sliding in the slide rail groove 52. A screw rod 53 is also provided at the proximal end of the slide rail 51. A nut 581 for the screw rod 53 to pass through is provided at the proximal end of the slide rail groove 52. A connecting plate 55 is provided at the distal end of the slide rail groove 52 to connect with the clamping assembly 6.

[0044] Please refer to Figure 1 and Figure 2 Furthermore, the slide rail groove 52 and the slide rail 51 are provided with a plurality of first fixing holes 521 along the length direction for the fixing parts (not shown in the figure) to pass through, so that the position of the clamping assembly 6 can be adjusted to adapt to vehicle bodies 8 of different sizes.

[0045] Please refer to Figure 1 and Figure 2 Furthermore, the clamping assembly 6 includes a support arm 61, and the support arm 61 is a semi-frame structure. The opposite sides of the support arm 61 are respectively threadedly connected to the connecting rod 62, and the connecting rod 62 is used to connect the front wheel part 81 of the vehicle body 8.

[0046] Please refer to Figure 1 and Figure 2Furthermore, a support plate 58 is provided on the opposite side of the support arm 61 to strengthen the support arm 61. Preferably, in the trailer device described in the first embodiment of the present invention, the support plate 58 may be V-shaped or U-shaped, as long as it can limit the front wheel portion 81 of the vehicle body 8, and the present invention does not impose any further restrictions on this.

[0047] The specific workflow of the present invention is as follows:

[0048] Please refer to Figure 1 and Figure 2 and Figure 6 The proximal end of connecting rod 1 is connected to the trailer, and the two connecting rods 62 are pressed against the front wheel portion 81 of vehicle body 8. The front wheel portion 81 of vehicle body 8 is clamped between the clamping assembly 6. The position of clamping assembly 6 on lifting assembly 5 is adjusted and fixed by rotating screw 53, and towing begins. During towing, the center of gravity detection device 9 detects the deflection of vehicle body 8, converts the position signal into an electrical signal, and transmits it to controller 7. Controller 7 controls the rotation of motor 2 based on the detection result of center of gravity detection device 9. Motor 2 drives reducer 3 to rotate rotating rod 4, so that vehicle body 8 remains balanced.

[0049] Example 2

[0050] Please refer to Figure 4 and Figure 5 The structure and workflow of the second embodiment are largely the same as those of the first embodiment. The difference is that the lifting assembly 5 includes a fixed plate 56, a fixed rod 57, a support plate 58, and a screw rod 53 and two slide rods 54 connected between the fixed plate 56 and the fixed rod 57. The proximal end of the support plate 58 has a nut 581 that is threadedly connected to the screw rod 53, and the distal end of the support plate 58 has a rod sleeve 582 that slides along the slide rod 54. The proximal end of the support plate 58 is connected to the rotating rod 4, and the distal end of the support plate 58 is provided with a connecting plate 55 that connects to the clamping assembly 6. Rotating the screw rod 53 allows the support plate 58 to move along the screw rod 53 and the slide rod 54, making it easy to adjust the position of the support plate 58 according to the size and shape of the front wheel portion 81 of the vehicle body 8.

[0051] Please refer to Figure 4 Furthermore, the support arm 61 has a plurality of second fixing holes 611 along the length direction for the connecting rod 62 to pass through, so that the position of the connecting rod 62 can be adjusted to adapt to different sizes of the front wheel part 81 of the vehicle body 8.

[0052] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0053] The above-described embodiments merely illustrate several implementations of the present invention, and while their descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the patent for this invention shall be determined by the appended claims.

Claims

1. A trailer device, characterized in that: The trailer device includes a connecting assembly and a fixing assembly connected to the distal end of the connecting assembly, the connecting assembly includes a connecting rod, the proximal end of the connecting rod is connected to the trailer, the distal end of the connecting rod is connected to the power assembly, the distal end of the power assembly is provided with a rotating rod, the distal end of the rotating rod is connected to the fixing assembly, the fixing assembly is used to fix the front wheel part of the vehicle body, the trailer device also includes a controller and a center of gravity detection device, the center of gravity detection device is provided on the vehicle body, and is used to detect the posture of the vehicle body. The controller is used to control the power assembly to drive the rotating rod to rotate according to the detection result of the center of gravity detection device, so that the vehicle body maintains balance, thereby adjusting the vehicle body posture; The power assembly includes a reducer and a motor connected to the reducer, a connecting rod is fixedly provided at the proximal end of the reducer, and a rotating rod is rotatably connected to the distal end of the reducer; The fixing assembly includes a lifting assembly and a clamping assembly slidably connected to the distal end of the lifting assembly, and a portion of the proximal end of the lifting assembly is connected to the rotating rod; The lifting assembly includes a slide rail groove and a slide rail sliding in the slide rail groove, at least one screw rod is further provided at the proximal end of the slide rail, a nut for the screw rod to pass through is provided at the proximal end of the slide rail groove, and a connecting plate is provided at the distal end of the slide rail groove to connect with the clamping assembly; The slide rail groove and the slide rail are provided with a plurality of first fixing holes for the fixing members to pass through; The clamping assembly includes at least one support arm, and connecting rods are respectively provided on opposite sides of the support arm, and the connecting rods are used to connect the front wheel part of the vehicle body; The support arm is provided with a plurality of second fixing holes along the length direction for the connecting rod to pass through; Or the lifting assembly includes a fixed plate, a fixed rod, a support plate, and at least one screw rod and at least two sliding rods connected between the fixed plate and the fixed rod, the proximal end of the support plate has a nut threadedly connected to the screw rod, the distal end of the support plate has a rod sleeve sliding along the sliding rod, the proximal end of the support plate is connected to the rotating rod, and the distal end of the support plate is provided with a connecting plate connected to the clamping assembly.

2. The trailer device according to claim 1, wherein: A supporting plate is further provided on the opposite side of the bracket arm.

3. The trailer device according to claim 1, wherein: The center of gravity detection device is a gyroscope.

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