Electric scooter with detachable skiing device
By adopting chain transmission and track wheel design on electric scooters, the problem of low transmission efficiency is solved, efficient transmission and flexibility are achieved, and suitable for a variety of usage scenarios.
Patent Information
- Application Number
- CN202420090768.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-12
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-01-12
AI Technical Summary
The transmission mechanism of existing electric scooters is inefficient and prone to slipping, making it difficult to meet the needs of various usage scenarios.
An electric scooter with a detachable ski device is designed, adopting a chain transmission method, the rear wheel and the front wheel are respectively equipped with a gear plate and a transmission shaft, which realizes efficient transmission through the first chain and the second chain, and is carried out on the track. A transmission shaft and connecting plate are provided on the wheel to ensure stable rolling of the track.
It improves transmission efficiency, prevents slippage, provides higher flexibility and fun, and is suitable for different usage scenarios.
Smart Images

Figure CN222179744U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a scooter, in particular to an electric scooter with a detachable ski device. Background Art
[0002] Electric skateboards are based on traditional human-powered skateboards, with an electric kit added. Electric skateboards are generally divided into two-wheel drive or single-wheel drive, and the most common transmission methods are: hub motor (HUB) and belt drive. The main source of power is lithium battery packs.
[0003] Common electric scooters are equipped with front and rear wheels at the front and rear ends respectively. The body of the scooter has pedals for the user to stand on, and the front and rear wheels are used to start and stop the electric scooter. In order to meet the needs of various usage scenarios, the body of the electric scooter is equipped with different ground parts to make it suitable for both snow and land.
[0004] A detachable anti-skid track device for an electric scooter with publication number CN214451404U includes a track for contacting the ground, and a transmission mechanism includes a transverse main roller shaft arranged between a driving wheel of the electric scooter and a transverse rotating shaft. The main roller shaft is attached to the driving wheel of the electric scooter and is driven by the driving wheel to rotate the rotating shaft.
[0005] In the structure of the above electric scooter, a transmission mechanism is arranged on the track device, and the transmission mechanism includes a main roller shaft, which is attached to the driving wheel of the electric scooter. The main roller shaft and the driving wheel of the electric scooter are connected by rolling to drive the track to roll. When this driving structure is in use, the main roller shaft and the driving wheel of the electric scooter may slip, and the transmission efficiency is not high. Utility Model Content
[0006] The technical problem to be solved by the utility model is to provide an electric scooter with high transmission efficiency and a detachable ski device.
[0007] The technical solution adopted by the utility model to solve the above technical problems is: an electric scooter with a detachable skiing device, comprising a body, wherein the front and rear ends of the body are provided with wheel axles, and the front and rear wheel axles are respectively provided with a front wheel and a rear wheel that are rotatably matched therewith, and the front wheel and the rear wheel are both provided with motors that drive them to rotate, and the rear wheel is provided with a rear crawler assembly that is detachably connected therewith, and the front wheel can be selectively provided with a front crawler assembly or a skateboard assembly;
[0008] The rear crawler assembly / front crawler assembly comprises two crawler wheels detachably connected to the vehicle body, a transmission shaft is arranged between the two crawler wheels, a first sprocket is arranged on the rear wheel / front wheel, a second sprocket is arranged on the transmission shaft, and a first chain is sleeved on the first sprocket and the second sprocket;
[0009] The skateboard assembly comprises a board body and a fixing piece, wherein one end of the fixing piece is detachably connected to the vehicle body, the other end of the fixing piece is rotatably connected to the board body, and a shock absorber is arranged between the board body and the fixing piece.
[0010] A further preferred solution of the utility model is: a brake disc is provided on the side of the rear wheel / front wheel, a connecting piece is connected to the brake disc, and the first gear disc is fixedly connected to the connecting piece.
[0011] A further preferred solution of the utility model is that connecting pipes are provided at both ends of the wheel axle, one end of the connecting pipe is threadedly connected to the end of the wheel axle, and the other end of the connecting pipe is inserted into the track wheel and locked by a nut.
[0012] A further preferred solution of the utility model is: a stop hole is opened on the inner wall of the track wheel, a first inner ring tooth is arranged on the inner wall of the stop hole, a first outer ring tooth is arranged on the outer wall of the connecting tube, and the first outer ring tooth is engaged with the first inner ring tooth after the connecting tube passes through the stop hole.
[0013] A further preferred solution of the utility model is: a fixing hole is opened at the end of the fixing piece, a third inner ring tooth is arranged in the fixing hole, and after the connecting pipe passes through the fixing hole, the first outer ring tooth is engaged with the third inner ring tooth.
[0014] A further preferred solution of the utility model is: the track wheel includes a connecting plate, the track wheel includes a connecting plate, a driving wheel and a driven wheel rotatably connected thereto are provided on the connecting plate, tracks are sleeved on the driving wheel and the driven wheel, and the transmission shaft drives the driving wheel to rotate.
[0015] A further preferred solution of the utility model is: a third toothed disc is arranged at the end of the transmission shaft, a driving toothed disc is connected to the driving wheel, and a second chain is sleeved on the driving toothed disc and the third toothed disc.
[0016] A further preferred solution of the utility model is: the transmission shaft includes two connecting shafts and a sleeve, the outer ends of the two connecting shafts are rotatably connected to the track wheels respectively, and the inner ends of the two connecting shafts are respectively inserted from both ends of the sleeve and slidably matched therewith.
[0017] A further preferred solution of the utility model is: a second inner ring tooth is provided on the inner wall of the sleeve, a second outer ring tooth is provided on the outer wall of the connecting shaft, and the second inner ring tooth is engaged with the second outer ring tooth after the connecting shaft is inserted into the sleeve.
[0018] A further preferred solution of the utility model is that an extension plate is arranged on the fixing member, one end of the shock absorber is rotatably connected to the extension plate, and the other end of the shock absorber is rotatably connected to the plate body.
[0019] Compared with the prior art, the advantage of the utility model is that the rear track assembly / front track assembly includes two track wheels detachably connected to the vehicle body, a transmission shaft is arranged between the two track wheels, a first sprocket is arranged on the rear wheel, a second sprocket is arranged on the transmission shaft, a first chain is sleeved on the first sprocket and the second sprocket, the front wheel or the rear wheel is driven by chain transmission, the transmission efficiency is higher, and slipping is prevented, the front track assembly or the skateboard assembly can be selectively installed on the front wheel, and a suitable skiing device can be selected according to actual conditions or own needs, which is more interesting. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings and preferred embodiments, but those skilled in the art will appreciate that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be used as a limitation on the scope of the present invention. In addition, unless otherwise specified, the drawings are only schematically representing the composition or structure of the described object and may contain exaggerated displays, and the drawings are not necessarily drawn to scale.
[0021] Figure 1 is a schematic diagram of the structure of a scooter;
[0022] Figure 2 for Figure 1 The enlarged view of point A in the middle;
[0023] Figure 3 It is a schematic diagram of a scooter equipped with a rear track assembly and a front track assembly in a preferred embodiment of the utility model;
[0024] Figure 4 It is a schematic diagram of the interior of the crawler in the preferred embodiment of the utility model;
[0025] Figure 5 It is a partial schematic diagram of a preferred embodiment of the utility model;
[0026] Figure 6 It is a schematic diagram of a scooter equipped with a rear track assembly and a skateboard assembly in a preferred embodiment of the utility model;
[0027] Figure 7 It is a schematic diagram of a slide plate assembly in a preferred embodiment of the utility model;
[0028] Figure 8 It is a schematic diagram of a connecting member and a first toothed disc in a preferred embodiment of the utility model;
[0029] Fig. 9 It is a schematic diagram of a transmission shaft in a preferred embodiment of the utility model;
[0030] Fig.10It is a schematic diagram of a connecting pipe and a stopper in a preferred embodiment of the utility model;
[0031] Fig.11 It is a schematic diagram of a connecting pipe and a fixing member in a preferred embodiment of the utility model.
[0032] In the figure: 1, vehicle body; 11, front connecting frame; 12, rear connecting frame; 13, front wheel; 14, rear wheel; 15, wheel axle; 16, handlebar; 17, brake disc; 18, connecting piece; 181, disc; 183, third outer ring gear; 2, track wheel; 21, transmission shaft; 211, connecting shaft; 212, pipe sleeve; 213, second inner ring gear; 214, second outer ring gear; 22, driving wheel; 23, driven wheel; 24, track; 25, stopper ; 251, stop hole; 252, first inner ring teeth; 26, active sprocket; 27, second chain; 28, connecting plate; 3, connecting pipe; 31, nut; 32, first outer ring teeth; 4, first sprocket; 41, second sprocket; 411, fourth inner ring teeth; 42, first chain; 5, third sprocket; 6, plate body; 61, fixing piece; 611, fixing hole; 612, third inner ring teeth; 62, connecting rod; 63, shock absorber; 64, extension plate. DETAILED DESCRIPTION
[0033] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It will be appreciated by those skilled in the art that these descriptions are merely illustrative and exemplary and should not be construed as limiting the scope of protection of the present invention.
[0034] It should be noted that like reference numerals denote similar items in the following drawings, and thus, once an item is defined in one drawing, it may not be further defined or explained in subsequent drawings.
[0035] The scooter comprises a body 1, a handlebar 16 is arranged at the front end of the body 1, a front connecting frame 11 and a rear connecting frame 12 are arranged at the front and rear ends of the body 1 respectively, a front wheel 13 is arranged on the front connecting frame 11, and a rear wheel 14 is arranged on the rear connecting frame 12, and the handlebar 16 is used to control the steering of the front wheel 13.
[0036] Furthermore, axles 15 are provided on the front connecting frame 11 and the rear connecting frame 12 , and the front wheels 13 and the rear wheels 14 are respectively sleeved on the two axles 15 and rotatably cooperated with the axles 15 .
[0037] A battery is provided in the vehicle body 1 , and a motor is provided in each of the front wheel 13 and the rear wheel 14 to drive the motor to rotate on the wheel axle 15 . The battery is used to supply power to the motor to drive the front wheel 13 and the rear wheel 14 to rotate.
[0038] This embodiment mainly describes the connection transmission structure between the ski device and the scooter, as follows:
[0039] The rear wheel 14 is provided with a rear crawler assembly detachably connected thereto, and the front wheel 13 is selectively provided with a front crawler assembly or a skateboard assembly.
[0040] The rear crawler assembly has the same structure as the front crawler assembly and is connected to the vehicle body 1 in the same manner.
[0041] The rear track assembly / front track assembly includes two track wheels 2 that are detachably connected to the vehicle body 1. Furthermore, connecting pipes 3 are provided at both ends of the wheel axle 15. One end of the connecting pipe 3 is threadedly connected to the end of the wheel axle 15, and the other end of the connecting pipe 3 is inserted into the track wheel 2 and locked by a nut 31.
[0042] The track wheel 2 includes a connecting plate 28, on which a driving wheel 22 and a driven wheel 23 are rotatably connected. The driving wheel 22 and the driven wheel 23 are sleeved with a track 24, which supports the track and the driving wheel 22 drives the track 24 to move so that it can roll on the ground.
[0043] A stop member 25 is provided on the inner wall of the connecting plate 28, a stop hole 251 is opened on the stop member 25, a first inner ring tooth 252 is provided on the inner wall of the stop hole 251, and a first outer ring tooth 32 is provided on the outer wall of the connecting tube 3. After the connecting tube 3 passes through the stop hole 251, the first outer ring tooth 32 is engaged with the first inner ring tooth 252.
[0044] A transmission shaft 21 is arranged between the two track wheels 2. The transmission shaft 21 includes two connecting shafts 211 and a sleeve 212. The outer ends of the two connecting shafts 211 are rotatably connected to the track wheels 2, and the inner ends of the two connecting shafts 211 are respectively inserted from the two ends of the sleeve 212 and slidably cooperate with it, so that the rear track assembly / front track assembly can adapt to vehicle bodies of different sizes.
[0045] The inner wall of the sleeve 212 is provided with a second inner ring tooth 213 , and the outer wall of the connecting shaft 211 is provided with a second outer ring tooth 214 . After the connecting shaft 211 is inserted into the sleeve 212 , the second inner ring tooth 213 is engaged with the second outer ring tooth 214 .
[0046] A first sprocket 4 is provided on the rear wheel 14 / front wheel 13, a second sprocket 41 is provided on the connecting shaft 211, a first chain 42 is sleeved on the first sprocket 4 and the second sprocket 41, the rear wheel 14 / front wheel 13 drives the first sprocket 4 to rotate, the first sprocket 4 drives the second sprocket 41 to rotate through the first chain 42, and the second sprocket 41 drives the connecting shaft 211 to rotate.
[0047] Furthermore, brake discs 17 are provided on the sides of the rear wheel 14 / front wheel 13 . The brake discs 17 rotate with the rotation of the wheels. A connecting piece 18 is connected to the brake disc 17 , and the first sprocket 41 is fixedly connected to the connecting piece 18 .
[0048] A disc 181 is provided on the connecting member 18, and the disc 181 is fixedly connected to the brake disc 17. A third outer ring tooth 183 is provided on the outer wall of the connecting member 18, and a fourth inner ring tooth 411 is provided on the inner hole of the first toothed disc 4. After the first toothed disc 4 is sleeved on the connecting member 18, the fourth inner ring tooth 411 is engaged with the third outer ring tooth 183.
[0049] A third sprocket 5 is provided at the end of the connecting shaft 211 (located inside the track wheel), and a driving sprocket 26 is provided on the driving wheel 22. The driving wheel 22 rotates with the rotation of the driving sprocket 26. A second chain 27 is sleeved on the third sprocket 5 and the driving sprocket 26.
[0050] The motor in the wheel drives the wheel to rotate, the wheel drives the first sprocket 4 to rotate, the first sprocket 4 drives the second sprocket 41 to rotate through the first chain 42, the second sprocket 41 drives the transmission shaft 21 to rotate, the transmission shaft 21 drives the third sprocket 5 to rotate, the third sprocket 5 drives the active sprocket 26 to rotate through the second chain 27, the active sprocket 26 drives the active wheel 22 to rotate, and the active wheel 22 drives the crawler track 24 to run.
[0051] The skateboard assembly includes a board body 6 and a fixing member 61. One end of the fixing member 61 is detachably connected to the front connecting frame 11, and the other end of the fixing member 61 is rotatably connected to the board body 6. Furthermore, a fixing hole 611 is provided at the top of the fixing member 61, and a third inner ring tooth 612 is provided in the fixing hole 611. After the connecting tube 3 passes through the fixing hole 611, the first outer ring tooth 32 is clamped with the third inner ring tooth 612.
[0052] A connecting rod 62 is provided on the plate body 6 , and the bottom end of the fixing member 61 is sleeved on the connecting rod 62 . The fixing member 61 is sleeved on the connecting rod 62 and is locked by a nut 31 .
[0053] A shock absorber 63 is provided between the plate body 6 and the fixing member 61. Furthermore, an extension plate 64 is provided on the fixing member 61. One end of the shock absorber 63 is rotatably connected to the extension plate 64, and the other end of the shock absorber 63 is rotatably connected to the plate body 6, which is more comfortable when used.
[0054] In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply 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 utility model.
[0055] The electric scooter with a detachable ski device provided by the utility model is introduced in detail above. The principle and implementation method of the utility model are explained in this article using specific examples. The description of the above embodiments is only used to help understand the utility model and its core idea. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.
Claims
1. An electric scooter with a detachable ski device, comprising a body, wherein the front and rear ends of the body are provided with axles, and the front and rear axles are respectively provided with a front wheel and a rear wheel that rotate with the axles, and the front and rear wheels are provided with motors that drive the front and rear wheels to rotate, and the characteristics are: The rear wheel is provided with a rear crawler assembly detachably connected thereto, and the front wheel is selectively provided with a front crawler assembly or a skateboard assembly; The rear crawler assembly / front crawler assembly comprises two crawler wheels detachably connected to the vehicle body, a transmission shaft is arranged between the two crawler wheels, a first sprocket is arranged on the rear wheel / front wheel, a second sprocket is arranged on the transmission shaft, and a first chain is sleeved on the first sprocket and the second sprocket; The skateboard assembly comprises a board body and a fixing piece, wherein one end of the fixing piece is detachably connected to the vehicle body, the other end of the fixing piece is rotatably connected to the board body, and a shock absorber is arranged between the board body and the fixing piece.
2. The electric scooter with a detachable ski device according to claim 1, characterized in that: A brake disc is provided on the side of the rear wheel / front wheel, a connecting piece is connected to the brake disc, and the first gear disc is fixedly connected to the connecting piece.
3. The electric scooter with a detachable ski device according to claim 1, characterized in that: Both ends of the wheel axle are provided with connecting pipes, one end of the connecting pipe is threadedly connected to the end of the wheel axle, and the other end of the connecting pipe is inserted into the track wheel and locked by a nut.
4. The electric scooter with a detachable ski device according to claim 3, characterized in that: A stop hole is provided on the inner wall of the track wheel, a first inner ring tooth is provided on the inner wall of the stop hole, a first outer ring tooth is provided on the outer wall of the connecting tube, and the first outer ring tooth is engaged with the first inner ring tooth after the connecting tube passes through the stop hole.
5. The electric scooter with a detachable ski device according to claim 4, characterized in that: A fixing hole is formed at the end of the fixing piece, and a third inner ring tooth is arranged in the fixing hole. After the connecting pipe passes through the fixing hole, the first outer ring tooth is engaged with the third inner ring tooth.
6. The electric scooter with a detachable ski device according to claim 1, characterized in that: The track wheel comprises a connecting plate, on which a driving wheel and a driven wheel connected for rotation are arranged, and tracks are sleeved on the driving wheel and the driven wheel, and the transmission shaft drives the driving wheel to rotate.
7. The electric scooter with a detachable ski device according to claim 6, characterized in that: A third toothed disc is arranged at the end of the transmission shaft, a driving toothed disc is connected to the driving wheel, and a second chain is sleeved on the driving toothed disc and the third toothed disc.
8. The electric scooter with a detachable ski device according to claim 1, characterized in that: The transmission shaft comprises two connecting shafts and a sleeve. The outer ends of the two connecting shafts are rotatably connected to the track wheels respectively, and the inner ends of the two connecting shafts are respectively inserted from the two ends of the sleeve and slidably matched therewith.
9. The electric scooter with a detachable ski device according to claim 8, characterized in that: The inner wall of the sleeve is provided with second inner ring teeth, and the outer wall of the connecting shaft is provided with second outer ring teeth. After the connecting shaft is inserted into the sleeve, the second inner ring teeth are engaged with the second outer ring teeth.
10. The electric scooter with a detachable ski device according to claim 1, characterized in that: An extension plate is arranged on the fixing member, one end of the shock absorber is rotatably connected to the extension plate, and the other end of the shock absorber is rotatably connected to the plate body.
