Vehicle-mounted motorboat trailer
By using a transmission system of stranded roller shaft, wire wheel, large gear disc and pinion disc in the vehicle-mounted motorboat trailer, combined with the design of the adjustment head and rotating block, the existing vehicle-mounted motorboat trailer is solved, and the labor-saving pulling and safety constraints of the motorboat are achieved.
Patent Information
- Application Number
- CN202422293953.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-09-20
AI Technical Summary
When used, the existing car-mounted motorboat trailer is laborious and difficult to restrain the motorboat, which can easily cause the motorboat to slide and damage, and even cause damage to personnel.
A vehicle-mounted motorboat trailer is designed, using a transmission system of twisted roller shaft, wire wheel, large gear disc and pinion disc. The pinion disc meshed with the big gear disc through rotation, driving the twisted roller to rotate, thereby achieving the labor-saving pull of the motorboat; at the same time, through the design of the adjustment head and rotating block, one-way teeth and clamped teeth are used to prevent the motorboat from sliding and loosening of the twisted roller.
The labor-saving of motorboats has been achieved, reducing the labor intensity of operators, and effectively preventing the motorboat from sliding down and damage, improving safety.
Smart Images

Figure CN222959694U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motorboat trailers, and particularly relates to a vehicle-mounted motorboat trailer. Background Technique
[0002] As a water vehicle and a sports activity item, motorboats play an important role in many fields such as entertainment and leisure, safety and rescue, fishery and aquaculture, water transportation, and military applications. With the continuous development of technology and the improvement of people's living standards, the uses and application fields of motorboats will continue to expand and deepen. Since motorboats cannot move on land, a vehicle-mounted trailer is needed to carry them during transportation.
[0003] However, the existing vehicle-mounted motorboat trailers still have some problems when in use. For example, when towing a motorboat onto the trailer, the operator needs to use a lot of strength, which is quite laborious; when the motorboat accidentally slides down while being towed onto the trailer, it is difficult for the trailer to restrain and pull it at this time, which is likely to cause the motorboat to slide off the trailer and be damaged, and may also cause harm to the surrounding people.
[0004] In order to solve this technical problem, the utility model proposes a vehicle-mounted motorboat trailer. Content of the Utility Model
[0005] The main purpose of the utility model is to provide a vehicle-mounted motorboat trailer, which can effectively solve the problems mentioned in the background technique.
[0006] To achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0007] A vehicle-mounted motorboat trailer includes a basic vehicle frame. A towing beam is arranged at the front end of the basic vehicle frame. A support frame is arranged at the upper end of the towing beam. A wire guiding wheel is rotatably connected to the upper end of the support frame. A wire winding roller shaft is rotatably connected to the upper end of the support frame. A large gear disc is connected to the side end of the wire winding roller shaft. A rotating shaft is rotatably connected to the upper end of the support frame. A rotating handle is connected to the side end of the rotating shaft. A small gear disc is connected to the outer end of the rotating shaft. A support rod is arranged at the upper end of the support frame. An adjusting head is arranged at the outer end of the support rod. A rotating block is connected inside the adjusting head. A locking tooth and a one-way tooth are arranged at the outer end of the rotating block.
[0008] Preferably, the basic vehicle frame is an I-shaped aluminum profile, the towing beam is a single aluminum square tube, and the support frame is in an "entry" shape, forming a triangular shape with the towing beam.
[0009] Preferably, the wire winding roller shaft is located at the side end of the wire guiding wheel. A towing wire is wound inside the wire winding roller shaft. The large gear disc rotates coaxially with the wire winding roller shaft. The rotating shaft is located at the side end of the wire winding roller shaft. The small gear disc meshes with the large gear disc.
[0010] Preferably, a handle is provided at the side end of the throttle grip. The throttle grip is located at the side end of the support frame. The support rod is located at the side end of the rotating shaft. The rotating block is rotatably connected to the outer end of the support rod. The locking teeth can be engaged in the tooth grooves of the small gear disk. The one-way teeth can be inserted into the tooth grooves of the small gear disk.
[0011] Preferably, an axle is provided at the lower end of the basic vehicle frame. Tires are provided on both sides of the axle. Fenders are provided on both sides of the basic vehicle frame. The tires are located below the fenders. A reinforcing cross beam is connected between the basic vehicle frames.
[0012] Preferably, a connecting piece is provided at the outer end of the reinforcing cross beam. A supporting wooden strip is provided at the upper end of the connecting piece. A cotton pad is wrapped around the outer end of the supporting wooden strip. A supporting roller is provided at the rear end of the basic vehicle frame. The supporting roller is located between the two supporting wooden strips.
[0013] Preferably, a reflective sticker and a warning triangle are provided at the rear end of the basic vehicle frame. A rotating rod is rotatably connected to the rear end of the basic vehicle frame. A license plate mounting plate is provided at the side end of the rotating rod.
[0014] Preferably, a trailer connector is provided at the side end of the towing beam. A trailer wire harness female socket is provided at the upper end of the towing beam. A connecting plate is provided at the outer end of the towing beam. A support guide wheel is provided at the side end of the connecting plate.
[0015] Compared with the prior art, the utility model has the following beneficial effects:
[0016] In the utility model, by providing a stranding roller shaft and a wire guiding wheel, the towing wire in the stranding roller shaft passes over the upper end of the wire guiding wheel, and then the hook at the side end of the towing wire is connected to the head of the motorboat. By providing a large gear disk and a small gear disk, rotating the throttle grip will drive the rotating shaft to rotate, so that the small gear disk acts on the large gear disk, thereby driving the stranding roller to rotate, and the motorboat can be pulled onto the supporting wooden strip. The transmission mode of the small gear driving the large gear can significantly increase the output torque and is a labor-saving structure. Therefore, the device can conveniently and labor-savingly pull the motorboat onto the trailer.
[0017] In the present utility model, an adjusting head and a rotating block are provided. The rotating block can be adjusted by the adjusting head. When the one-way teeth of the rotating block are inserted into the tooth grooves of the small gear disk, the small gear disk will be restricted at this time and can only rotate in one direction. Therefore, when the motorboat is being pulled onto the trailer and accidentally slides downwards, the one-way teeth will block the reverse rotation of the small gear disk at this time, thereby preventing the wire winding roller shaft from rotating. Therefore, it can not only prevent the motorboat from continuing to slide, but also avoid the passive rotation of the handlebar from injuring the operator. When the motorboat is towed onto the device, the engaging teeth of the rotating block are engaged with the tooth grooves of the small gear disk, and the small gear disk can be clamped and fixed at this time. Therefore, the wire winding roller shaft is fixed, thereby avoiding the loosening of the towing wire.
[0018] In the present utility model, by providing a license plate mounting plate, the vehicle license plate can be mounted on its upper end, so that the device complies with road regulations. By providing a rotating handle, it can drive the license plate mounting plate to rotate and can be tilted, and at this time it will not affect the up and down movement of the motorboat, thereby facilitating pulling the motorboat onto the trailer and launching the motorboat into the water. Description of the Drawings
[0019] Figure 1 It is a schematic diagram of the overall structure of a vehicle-mounted motorboat trailer of the present utility model;
[0020] Figure 2 It is a vehicle-mounted motorboat trailer of the present utility model Figure 1 Schematic diagram of area A;
[0021] Figure 3 It is a schematic diagram of the towing beam structure of a vehicle-mounted motorboat trailer of the present utility model;
[0022] Figure 4 It is a schematic diagram of the support frame structure of a vehicle-mounted motorboat trailer of the present utility model;
[0023] Figure 5 It is a schematic diagram of the cross-sectional structure of the rotating block of a vehicle-mounted motorboat trailer of the present utility model.
[0024] In the figure: 1. Basic vehicle frame; 2. Towing beam; 3. Support frame; 4. Guide pulley; 5. Wire winding roller shaft; 6. Large gear disk; 7. Rotating shaft; 8. Handlebar; 9. Small gear disk; 10. Support rod; 11. Adjusting head; 12. Rotating block; 13. Engaging teeth; 14. One-way teeth; 15. Axle; 16. Tire; 17. Reinforcing cross beam; 18. Connector; 19. Support wooden strip; 20. Support roller; 21. Rotating rod; 22. License plate mounting plate; 23. Trailer connector; 24. Trailer wiring harness aviation plug female socket; 25. Connecting plate; 26. Support guide pulley. Detailed Embodiment
[0025] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0026] As Figures 1-5 shown, a vehicle-mounted motorboat trailer includes a basic vehicle frame 1. The basic vehicle frame 1 is an I-shaped aluminum profile, which has high strength and good corrosion resistance. A towing beam 2 is provided at the front end of the basic vehicle frame 1. The towing beam 2 is a single aluminum square tube. An axle 15 is provided at the lower end of the basic vehicle frame 1. The axle 15 is used to support the basic vehicle frame 1. Tires 16 are provided on both sides of the axle 15. Fender panels are provided on both sides of the basic vehicle frame 1. The tires 16 are located below the fender panels. Reflective stickers and warning triangles are provided at the rear end of the basic vehicle frame 1. When illuminated by the vehicle lights at night, they will reflect light, thus reminding the vehicles behind, so as to improve the safety of the device. A rotating rod 21 is rotatably connected to the rear end of the basic vehicle frame 1. A license plate mounting plate 22 is provided at the side end of the rotating rod 21. The license plate mounting plate 22 can mount a license plate. The rotating rod 21 can drive the license plate mounting plate 22 to rotate and tilt, so as to facilitate pulling the motorboat onto the trailer and facilitating the motorboat to launch into the water.
[0027] Reinforcing cross beams 17 are connected between the basic vehicle frames 1. Connectors 18 are provided at the outer ends of the reinforcing cross beams 17. The reinforcing cross beams 17 can not only improve the strength of the basic vehicle frame 1, but also support the connectors 18. A support wooden strip 19 is provided at the upper end of the connector 18. The motorboat is towed onto the support wooden strip 19. The outer end of the support wooden strip 19 is wrapped with a cotton pad, so as to prevent the support wooden strip 19 from scratching the lower end of the motorboat. A support roller 20 is provided at the rear end of the basic vehicle frame 1. The support roller 20 is located between the two support wooden strips 19. The support roller 20 can facilitate towing the motorboat onto the support wooden strip 19.
[0028] A trailer connector 23 is provided at the side end of the towing beam 2. The trailer connector 23 is connected to the rear end of the transport vehicle, so as to be able to pull the device to move. A trailer wiring harness female socket 24 is provided at the upper end of the towing beam 2. A connecting plate 25 is provided at the outer end of the towing beam 2. A support guiding wheel 26 is provided at the side end of the connecting plate 25. The connecting plate 25 is used to connect and fix the support guiding wheel 26. The support guiding wheel 26 can facilitate the steering of the device.
[0029] At the upper end of the drawbar 2, there is a support frame 3. The support frame 3 is in the shape of an "inverted V", forming a triangular shape with the drawbar 2, so it has good stability. At the upper end of the support frame 3, a wire wheel 4 is rotatably connected. At the upper end of the support frame 3, a wire twisting roller shaft 5 is rotatably connected. The wire twisting roller shaft 5 is located at the side end of the wire wheel 4. A towing line is wound inside the wire twisting roller shaft 5. The tail end of the towing line is connected with a hook, and this hook can be connected to the front end of the motorboat. At the side end of the wire twisting roller shaft 5, a large gear disc 6 is connected. The large gear disc 6 rotates coaxially with the wire twisting roller shaft 5. At the upper end of the support frame 3, a rotating shaft 7 is rotatably connected. The rotating shaft 7 is located at the side end of the wire twisting roller shaft 5. At the side end of the rotating shaft 7, a rotating handle 8 is connected. The rotating handle 8 is located at the side end of the support frame 3. The rotating handle 8 is used to conveniently drive the rotation of the rotating shaft 7. At the outer end of the rotating shaft 7, a small gear disc 9 is connected. The small gear disc 9 meshes with the large gear disc 6. Thus, when the rotating shaft 7 rotates, it will drive the rotation of the small gear disc 9, and then be able to drive the rotation of the large gear disc 6 and the wire twisting roller shaft 5. In this way, the motorboat can be pulled onto the support wooden strip 19 through the towing rope. Among them, when the small gear disc 9 drives the large gear disc 6 to rotate, it can output a greater torque, thus more easily overcoming the resistance required to pull the motorboat. In this way, it can conveniently pull the motorboat smoothly onto the trailer.
[0030] At the upper end of the support frame 3, there is a support rod 10. The support rod 10 is located at the side end of the rotating shaft 7. At the outer end of the support rod 10, there is an adjusting head 11. Inside the adjusting head 11, a rotating block 12 is connected. The rotating block 12 is rotatably connected to the outer end of the support rod 10. The support rod 10 is used to support the rotating block 12. The adjusting head 11 can drive the rotation of the rotating block 12. At the outer end of the rotating block 12, there are engaging teeth 13 and one-way teeth 14. The engaging teeth 13 can be engaged in the tooth grooves of the small gear disc 9. At this time, the small gear disc 9 will not be able to rotate, so that the wire twisting roller shaft 5 can be fixed to prevent the towing rope for pulling the motorboat from loosening. The one-way teeth 14 can be inserted into the tooth grooves of the small gear disc 9. At this time, the one-way teeth 14 can restrict the small gear disc 9 so that it can only rotate in one direction.
[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.
Claims
1. A vehicle-mounted motorboat trailer, comprising a basic frame (1), characterized in that: The front end of the basic frame (1) is provided with a traction beam (2), the upper end of the traction beam (2) is provided with a support frame (3), the upper end of the support frame (3) is rotatably connected to a guide wheel (4), the upper end of the support frame (3) is rotatably connected to a twisting roller shaft (5), the side end of the twisting roller shaft (5) is connected to a large gear plate (6), the upper end of the support frame (3) is rotatably connected to a rotating shaft (7), the side end of the rotating shaft (7) is connected to a turning handle (8), the outer end of the rotating shaft (7) is connected to a small gear plate (9), the upper end of the support frame (3) is provided with a support rod (10), the outer end of the support rod (10) is provided with an adjusting head (11), the inner end of the adjusting head (11) is connected to a rotating block (12), and the outer end of the rotating block (12) is provided with a latching tooth (13) and a one-way tooth (14).
2. The vehicle-mounted motorboat trailer according to claim 1, characterized in that: The basic vehicle frame (1) is an I-shaped aluminum profile, the traction beam (2) is a single aluminum square tube, and the support frame (3) is in the shape of an "I" character, forming a triangle between the support frame (3) and the traction beam (2).
3. The vehicle-mounted motorboat trailer according to claim 1, characterized in that: The wire twisting roller (5) is located at the side end of the wire guide wheel (4), a traction line is wound inside the wire twisting roller (5), the large gear plate (6) rotates coaxially with the wire twisting roller (5), the rotating shaft (7) is located at the side end of the wire twisting roller (5), and the small gear plate (9) is meshed with the large gear plate (6).
4. The vehicle-mounted motorboat trailer according to claim 1, characterized in that: A handle is provided at the side end of the turning handle (8), the turning handle (8) is located at the side end of the supporting frame (3), the supporting rod (10) is located at the side end of the rotating shaft (7), the rotating block (12) is rotatably connected to the outer end of the supporting rod (10), the latching teeth (13) can be latched in the tooth groove of the pinion plate (9), and the one-way teeth (14) can be inserted in the tooth groove of the pinion plate (9).
5. The vehicle-mounted motorboat trailer according to claim 1, characterized in that: An axle (15) is arranged at the lower end of the basic frame (1), tires (16) are arranged on both sides of the axle (15), mudguards are arranged on both sides of the basic frame (1), and the tires (16) are located at the lower ends of the mudguards. A reinforcing crossbeam (17) is connected between the basic frames (1).
6. The vehicle-mounted motorboat trailer according to claim 5, characterized in that: The outer end of the reinforcing cross beam (17) is provided with a connecting piece (18), the upper end of the connecting piece (18) is provided with a supporting wooden strip (19), the outer end of the supporting wooden strip (19) is wrapped with a cotton pad, and the rear end of the basic frame (1) is provided with a supporting roller (20), and the supporting roller (20) is located between the two supporting wooden strips (19).
7. The vehicle-mounted motorboat trailer according to claim 1, characterized in that: The rear end of the basic vehicle frame (1) is provided with a reflective sticker and a warning triangle, the rear end of the basic vehicle frame (1) is rotatably connected to a rotating rod (21), and the side end of the rotating rod (21) is provided with a license plate mounting plate (22).
8. The vehicle-mounted motorboat trailer according to claim 1, characterized in that: A trailer connector (23) is provided at the side end of the traction beam (2), a trailer wiring harness aircraft plug-in mother seat (24) is provided at the upper end of the traction beam (2), a connecting plate (25) is provided at the outer end of the traction beam (2), and a supporting guide wheel (26) is provided at the side end of the connecting plate (25).