CN210121327U - Electric skateboard power mechanism compatible with large and small wheels - Google Patents
Electric skateboard power mechanism compatible with large and small wheels Download PDFInfo
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- CN210121327U CN210121327U CN201920426236.XU CN201920426236U CN210121327U CN 210121327 U CN210121327 U CN 210121327U CN 201920426236 U CN201920426236 U CN 201920426236U CN 210121327 U CN210121327 U CN 210121327U
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Abstract
The utility model belongs to the technical field of electric skateboard, a electric skateboard power unit of compatible big and small wheel is related to. The technical problem that an electric slide plate power mechanism in the prior art is difficult to drive slide plate wheels with different sizes is solved. The bridge comprises a motor arranged on the bridge and a driving wheel connected to the motor, the bridge is provided with a hub installation shaft, a small wheel hub or a large wheel hub which can be replaced mutually is detachably installed on the hub installation shaft, the small wheel hub or the large wheel hub and the hub installation shaft are coaxially arranged when the small wheel hub or the large wheel hub is installed on the hub installation shaft, and the driving wheel is connected with the small wheel hub through a small annular transmission belt or is connected with the large wheel hub through a large annular transmission belt. Compared with the prior art, the utility model has the advantages of can drive not unidimensional skateboard wheel according to the user demand, and simple structure simple to operate.
Description
Technical Field
The utility model belongs to the technical field of electric skateboard, especially, relate to an electric skateboard power unit of compatible big and small wheel.
Background
Electric skateboards are a popular tool for riding instead of walking, wherein the performance of skateboard wheels, such as size and hardness, produce different effects when the skateboard is used by a user. During the use, the electric skateboard can be used in different road conditions, and the skateboard wheels with different sizes need to be matched to obtain adaptive performance, for example, 38-40mm wheels are fewer users, and due to the small size, the wheels are started and accelerated quickly, but have small back force and are suitable for very flat roads; wheels of 45mm-50mm are the most suitable sliding plate wheels for road type; the 52-60mm slide plate wheel is suitable for various props, and can bring sufficient power to users although the starting speed is slow; in the field, the cross-country wheel with the diameter of more than 60mm is more suitable, and the professional mountain skateboard is a large wheel made of rubber. In the conventional electric skateboard, only one set of driving mechanism is usually provided, and it is difficult to drive skateboard wheels of different sizes with the same transmission ratio. The size of the skateboard wheels cannot be changed.
Disclosure of Invention
The utility model aims at the above-mentioned problem, provide an electric skateboard power unit of compatible big and small wheel.
In order to achieve the above purpose, the utility model adopts the following technical proposal: this electric skateboard power unit of compatible bull wheel, including setting up the motor on the crane span structure and connecting the drive wheel on the motor, the crane span structure wheel hub installation axle has, wheel hub installation epaxial detachably install can the mutual replacement bull wheel hub or bull wheel hub, and install in wheel hub installation epaxial time as bull wheel hub or bull wheel hub little wheel hub or bull wheel hub and wheel hub installation axle coaxial setting, the drive wheel link to each other or link to each other with bull wheel hub through little annular transmission band and bull wheel hub.
In the power mechanism of the electric skateboard compatible with the big wheel and the small wheel, the small wheel hub is provided with the small wheel driving wheel and is coaxially arranged with the small wheel driving wheel, and the small wheel hub and the small wheel driving wheel are detachably and fixedly connected or are connected into an integral structure; the bull wheel hub is provided with a bull wheel driving wheel, the bull wheel hub and the bull wheel driving wheel are coaxially arranged, and the bull wheel hub and the bull wheel driving wheel can be detachably and fixedly connected or are connected into an integral structure.
In the power mechanism of the electric skateboard compatible with the large wheel and the small wheel, a plurality of transmission columns distributed in the circumferential direction are arranged on the outer side of the transmission wheel of the small wheel, a plurality of transmission holes distributed in the circumferential direction are arranged on the hub of the small wheel, the transmission columns correspond to the transmission holes one by one, and the transmission columns are inserted into the transmission holes.
In foretell compatible big-small wheel's electric skateboard power unit, the bull wheel hub includes outside wheel hub and inboard wheel hub, outside wheel hub and inboard wheel hub on be equipped with the locating hole that corresponds the setting respectively, and wear to be equipped with positioning bolt thereby with outside wheel hub and inboard wheel hub link firmly in the locating hole that corresponds the setting, inboard wheel hub and bull wheel drive wheel can dismantle and link firmly or link as an organic whole structure.
In foretell compatible big truckle electric skateboard power unit, the truckle drive wheel is the tube-shape and sets up little ring gear in truckle drive wheel periphery, the truckle drive wheel be the tube-shape and set up big ring gear in big wheel drive wheel periphery, the drive wheel be the gear, small ring shape transmission band and big ring shape transmission band be the internal tooth transmission band respectively.
In the electric skateboard power mechanism compatible with the large wheel and the small wheel, the outer diameter of the driving wheel of the small wheel is smaller than the inner diameter of the driving wheel of the large wheel.
In the electric skateboard power mechanism compatible with the large wheel and the small wheel, when the hub of the small wheel is separated from the hub mounting shaft, the small wheel driving wheel is separated from the hub mounting shaft along with the hub of the small wheel or the small wheel driving wheel is reserved on the hub mounting shaft; when the large wheel hub is separated from the hub mounting shaft, the large wheel driving wheel is separated from the hub mounting shaft along with the large wheel hub or the large wheel driving wheel is remained on the hub mounting shaft.
In the electric skateboard power mechanism compatible with the large wheel and the small wheel, at least one small wheel bearing is arranged between the small wheel hub and the hub mounting shaft and is fixed on the small wheel hub; at least one bull wheel bearing is arranged between the bull wheel hub and the hub mounting shaft, and the bull wheel bearing is fixed on the bull wheel hub; the outer end of the hub mounting shaft is provided with a stop nut.
In the electric skateboard power mechanism compatible with the large wheel and the small wheel, the bridge is provided with the motor mounting seat, and the motor is fixed on the motor mounting seat.
Compared with the prior art, the utility model has the advantages of:
1. the user can be according to the use scene of difference, and big wheel hub and steamboat wheel hub are changed to select big slide wheel or little slide wheel, improve electric skateboard to the adaptability of use scene, with the actual performance that improves electric skateboard.
2. The large wheel driving wheel and the small wheel driving wheel are used for changing the situation that the output power of the same motor is low and the corresponding transmission ratio is obtained, so that the large sliding plate wheel and the small sliding plate wheel are ensured to obtain basically the same linear speed when driven by the motor, and a user is ensured to adapt to and control the electric sliding plate more easily.
3. The connection structure of the large wheel hub and the small wheel hub and the hub mounting shaft is simple, and the assembly and disassembly are convenient.
4. The large wheel hub and the small wheel hub are respectively connected with the corresponding motors through the large annular transmission belt and the small annular transmission belt in a transmission mode, when the large wheel hub or the small wheel hub is replaced, the large annular transmission belt or the small annular transmission belt is directly replaced, the adjustment of the transmission sizes between the large wheel hub and the small wheel hub and the motors is avoided, and the operation is simple and convenient.
Drawings
FIG. 1 is a schematic structural view provided by the present invention;
fig. 2 is a cross-sectional view provided by the present invention;
fig. 3 is a sectional view of the installation of the large wheel driving wheel provided by the present invention;
fig. 4 is a sectional view of the small wheel driving wheel.
In the figure: the device comprises a bridge frame 1, a motor 2, a hub mounting shaft 3, a small wheel hub 4, a large wheel hub 5, a driving wheel 6, a small annular conveying belt 7, a large annular conveying belt 8, a small wheel driving wheel 9, a large wheel driving wheel 10, a driving column 11, a driving hole 12, an outer wheel hub 13, an inner wheel hub 14, a positioning hole 15, a small gear ring 16, a large gear ring 17, a small wheel bearing 18, a large wheel bearing 19, a stop nut 20 and a motor mounting seat 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, this compatible big-small wheel electric skateboard power mechanism, including setting up motor 2 on crane span structure 1 and connecting the drive wheel 6 on motor 2, crane span structure 1 have wheel hub installation axle 3, its characterized in that, wheel hub installation axle 3 on detachably install can the mutual replacement small wheel hub 4 or big wheel hub 5, and when small wheel hub 4 or big wheel hub 5 install on wheel hub installation axle 3 small wheel hub 4 or big wheel hub 5 with wheel hub installation axle 3 coaxial arrangement, drive wheel 6 link to each other with small wheel hub 4 through little annular transmission band 7 or link to each other with big wheel hub 5 through big annular transmission band 8.
The large wheel hub 5 or the small wheel hub 4 is selected according to the use environment, the small wheel hub 4 or the large wheel hub 5 originally installed on the hub installation shaft 3 is detached, meanwhile, the small annular transmission belt 7 or the large annular transmission belt 8 corresponding to the small wheel hub 4 or the large wheel hub 5 is detached from the output end of the motor 2, then the selected large wheel hub 5 or the small wheel hub 4 is inserted into the corresponding large annular transmission belt 8 or the small annular transmission belt 7 and is in rotatable connection with the hub installation shaft 3, and then the large annular transmission belt 8 or the small annular transmission belt 7 is in transmission connection with the driving wheel 6 on the motor 2. The adaptability of the electric skateboard to practical environment is greatly improved, the use performance of the electric skateboard is improved, the electric skateboard is convenient to disassemble and assemble, and the operability is strong.
Specifically, the small wheel hub 4 is provided with the small wheel driving wheel 9, and the small wheel hub 4 and the small wheel driving wheel 9 are coaxially arranged, in the embodiment, the small wheel hub 4 and the small wheel driving wheel 9 are detachably and fixedly connected, so that the manufacturing difficulty of the small wheel hub 4 is greatly reduced, and a person skilled in the art can select the small wheel hub 4 and the small wheel driving wheel 9 to be of an integrated structure; similarly, in this embodiment, a bull wheel drive wheel 10 is arranged on the bull wheel hub 5, and the bull wheel hub 5 and the bull wheel drive wheel 10 are coaxially arranged, and the bull wheel hub 5 and the bull wheel drive wheel 10 are of an integrated structure so as to reduce the manufacturing difficulty of the bull wheel hub 5 and the bull wheel transmission wheel 10, and a person skilled in the art can also select the bull wheel hub 5 and the bull wheel drive wheel 10 to be detachably and fixedly connected.
When the large wheel hub 5 or the small wheel hub 4 is replaced, the large wheel hub 5 together with the large wheel transmission wheel 9 or the small wheel hub 4 together with the small wheel transmission wheel 10 can be detached from the hub mounting shaft 3. After the hub mounting shaft 3 is detached, the large wheel hub 5 and the large wheel driving wheel 9 or the small wheel hub 4 and the small wheel driving wheel 10 are always fixedly connected, so that the installation when the large wheel hub 5 or the small wheel hub 4 is replaced next time is facilitated, the installation flow is simplified, and the installation and replacement efficiency is improved.
Preferably, a plurality of transmission columns 11 distributed in the circumferential direction are arranged on the outer side of the small wheel transmission wheel 9, a plurality of transmission holes 12 distributed in the circumferential direction are arranged on the small wheel hub 4, the transmission columns 11 correspond to the transmission holes 12 one by one, and the transmission columns 11 are inserted into the transmission holes 12. The small wheel driving wheel 9 and the small wheel hub 4 are fixedly connected through the driving column 11 and the driving hole 12 in an inserting mode, relative rotation between the small wheel driving wheel 9 and the small wheel hub 4 is limited, and effective transmission between the small wheel driving wheel 9 and the small wheel hub 4 is achieved.
Preferably, the transmission post 11 is provided with an inverted buckle, the transmission hole 12 is provided with an inverted buckle hole, and when the transmission post 11 is inserted into the transmission hole 12, the inverted buckle on the transmission post 11 and the inverted buckle hole on the transmission hole 12 form a fixed connection, so that the installation is convenient.
Preferably, the bull wheel hub 5 includes an outer side hub 13 and an inner side hub 14, the outer side hub 13 and the inner side hub 14 are respectively provided with a corresponding positioning hole 15, and a positioning bolt is arranged in the corresponding positioning hole 15 in a penetrating manner to fixedly connect the outer side hub 13 and the inner side hub 14, and the inner side hub 14 and the bull wheel transmission wheel 10 are detachably fixedly connected or are connected into an integral structure. In order to adapt to uneven road conditions, in this embodiment, a first limiting step and a second limiting step are respectively arranged on the outer hub 13 and the inner hub 14, a large sliding plate wheel is clamped between the first limiting step and the second limiting step and is made of elastic rubber, a connecting hole is formed in the large sliding plate wheel, and the hole wall of the connecting hole is abutted against the large wheel hub 5 to support the large wheel hub 5, so that the mounting and dismounting are convenient, and the replacement is easy.
Further, steamboat drive wheel 9 is the tube-shape and sets up little ring gear 16 in steamboat drive wheel 9 periphery, bull wheel drive wheel 10 be the tube-shape and set up big ring gear 17 in bull wheel drive wheel 10 periphery, drive wheel 6 be the gear, little annular transmission band 7 and big annular transmission band 8 be the internal tooth transmission band respectively, improve transmission precision, prevent to take place the friction and skid between little annular transmission band 7 and big annular transmission band 8 and steamboat drive wheel 9 and bull wheel drive wheel 10, the phenomenon of giving up a step appears, the wheel speed is inconsistent and leads to the risk that electric skateboard can not keep linear motion about avoiding appearing, improves the security performance.
Furthermore, the outer diameter of the small wheel driving wheel 9 is smaller than the inner diameter of the large wheel driving wheel 10, so that the transmission ratio between the motor 2 and the small wheel driving wheel 9 is larger than the transmission ratio between the motor 2 and the large wheel driving wheel 10, and under the same output power of the motor, the linear velocity difference between the small wheel hub 4 and the large wheel hub 5 is reduced, so that the large skateboard wheel and the small skateboard wheel are ensured to obtain basically the same linear velocity when being driven by the motor, and a user is ensured to adapt to and control the electric skateboard more easily. Meanwhile, the angular speed of the large wheel hub 5 is reduced, so that the torque obtained by the large wheel hub 5 is larger than that obtained by the small wheel hub 4, and the electric skateboard has stronger power on uneven roads.
Specifically, in this embodiment, when the small wheel hub 4 is separated from the hub mounting shaft 3, the small wheel driving wheel 9 is separated from the hub mounting shaft 3 along with the small wheel hub 4, and when the large wheel hub 5 is separated from the hub mounting shaft 3, the large wheel driving wheel 10 is separated from the hub mounting shaft 3 along with the large wheel hub 5, which facilitates installation and reduces installation steps. The user can also leave the small wheel drive wheel 9 on the hub mounting shaft 3 when disassembling the small wheel hub 4 and the large wheel drive wheel 10 on the hub mounting shaft 3 when disassembling the large wheel hub 5.
Preferably, two small wheel bearings 18 are arranged between the small wheel hub 4 and the hub mounting shaft 3, the small wheel bearings 18 are fixed on the small wheel hub 4, two large wheel bearings 19 are arranged between the large wheel hub 5 and the hub mounting shaft 3, the large wheel bearings 19 are fixed on the large wheel hub 5, the diameter of the inner ring hole of each large wheel bearing 19 is the same as that of each small wheel bearing 18, the hub mounting shaft 3 is an optical axis, and therefore when the hub mounting shaft 3 can be matched with the large wheel hub 5 and the small wheel hub 4, the large wheel hub 5 and the small wheel hub 4 can be smoothly mounted on the hub mounting shaft in the process of dismounting and mounting the large wheel hub 5 and the small wheel hub 4.
Preferably, the outer end of the hub mounting shaft 3 is provided with a stop nut 20. When the large wheel hub 5 or the small wheel hub 4 needs to be replaced, the stop nut 20 is taken down from the hub mounting shaft 3, the large wheel hub 5 or the small wheel hub 4 loses the limit, and the large wheel hub 5 or the small wheel hub 4 is easily taken down from the hub mounting seat 3.
Preferably, the bridge frame 1 is provided with a motor mounting seat 21, and the motor 2 is fixed on the motor mounting seat 21. Preferably, motor mount 21 is last to be provided with the safety cover, the safety cover protect drive wheel 6 and little annular transmission band 7 or big annular transmission band 8 cover in the inner chamber of safety cover, when dismantling the in-process, take off the safety cover, take off little annular transmission band 7 or big annular transmission band 8 from drive wheel 6 one end, simple to operate. Similarly, in the installation process, the small annular conveying belt 7 or the large annular conveying belt 8 is in transmission connection with the small wheel transmission wheel 9 or the large wheel transmission wheel 10 and then is in transmission connection with the driving wheel 6 on the motor, and then the driving wheel 6 and the small annular conveying belt 7 or the large annular conveying belt 8 are covered in the inner cavity of the protective cover by the protective cover.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms bridge 1, motor 2, hub mounting shaft 3, small wheel hub 4, large wheel hub 5, driving wheel 6, small ring belt 7, large ring belt 8, small wheel driving wheel 9, large wheel driving wheel 10, driving column 11, driving hole 12, outer wheel hub 13, inner wheel hub 14, positioning hole 15, small gear ring 16, large gear ring 17, small wheel bearing 18, large wheel bearing 19, stop nut 20, motor mounting seat 21, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (9)
1. The utility model provides an electric skateboard power unit of compatible big-small wheel, is including setting up motor (2) on crane span structure (1) and connecting drive wheel (6) on motor (2), crane span structure (1) wheel hub installation axle (3) have, its characterized in that, wheel hub installation axle (3) on detachably install steamboat wheel hub (4) or bull wheel hub (5) that can replace each other, and when steamboat wheel hub (4) or bull wheel hub (5) install on wheel hub installation axle (3) steamboat wheel hub (4) or bull wheel hub (5) and wheel hub installation axle (3) coaxial arrangement, drive wheel (6) link to each other with steamboat wheel hub (4) or link to each other with bull wheel hub (5) through little annular transmission band (7).
2. The electric skateboard power mechanism compatible with the large wheel and the small wheel as claimed in claim 1, wherein the small wheel hub (4) is provided with a small wheel driving wheel (9), the small wheel hub (4) and the small wheel driving wheel (9) are coaxially arranged, and the small wheel hub (4) and the small wheel driving wheel (9) are detachably and fixedly connected or are connected into an integrated structure; the large wheel hub (5) is provided with a large wheel driving wheel (10), the large wheel hub (5) and the large wheel driving wheel (10) are coaxially arranged, and the large wheel hub (5) and the large wheel driving wheel (10) are detachably fixedly connected or are connected into an integral structure.
3. The electric skateboard power mechanism compatible with large and small wheels according to claim 2, wherein a plurality of transmission columns (11) distributed in the circumferential direction are arranged on the outer side of the small wheel transmission wheel (9), a plurality of transmission holes (12) distributed in the circumferential direction are arranged on the small wheel hub (4), the transmission columns (11) and the transmission holes (12) are in one-to-one correspondence, and the transmission columns (11) are inserted into the transmission holes (12).
4. The electric skateboard power mechanism compatible with large and small wheels as claimed in claim 2, wherein the large wheel hub (5) comprises an outer wheel hub (13) and an inner wheel hub (14), the outer wheel hub (13) and the inner wheel hub (14) are respectively provided with a corresponding positioning hole (15), a positioning bolt is arranged in the corresponding positioning hole (15) in a penetrating manner so as to fixedly connect the outer wheel hub (13) and the inner wheel hub (14), and the inner wheel hub (14) and the large wheel transmission wheel (10) are detachably fixedly connected or are connected into an integral structure.
5. The electric skateboard power mechanism compatible with large and small wheels as claimed in claim 2, wherein the small wheel driving wheel (9) is cylindrical and a small gear ring (16) is arranged at the periphery of the small wheel driving wheel (9), the large wheel driving wheel (10) is cylindrical and a large gear ring (17) is arranged at the periphery of the large wheel driving wheel (10), the driving wheel (6) is a gear, and the small annular transmission belt (7) and the large annular transmission belt (8) are respectively an internal gear transmission belt.
6. The electric skateboard power mechanism compatible with large and small wheels of claim 5, wherein the outer diameter of the small wheel driving wheel (9) is smaller than the inner diameter of the large wheel driving wheel (10).
7. The power mechanism of electric skateboard compatible with both large and small wheels as claimed in claim 6, wherein when the small wheel hub (4) is disengaged from the hub mounting shaft (3), the small wheel driving wheel (9) is disengaged from the hub mounting shaft (3) along with the small wheel hub (4) or the small wheel driving wheel (9) remains on the hub mounting shaft (3); when the bull wheel hub (5) is separated from the hub mounting shaft (3), the bull wheel driving wheel (10) is separated from the hub mounting shaft (3) along with the bull wheel hub (5) or the bull wheel driving wheel (10) is reserved on the hub mounting shaft (3).
8. The electric skateboard power mechanism compatible with large and small wheels according to claim 2, 3, 4, 5, 6 or 7, characterized in that at least one small wheel bearing (18) is arranged between the small wheel hub (4) and the hub mounting shaft (3) and the small wheel bearing (18) is fixed on the small wheel hub (4); at least one bull wheel bearing (19) is arranged between the bull wheel hub (5) and the hub mounting shaft (3), and the bull wheel bearing (19) is fixed on the bull wheel hub (5); the outer end of the hub mounting shaft (3) is provided with a stop nut (20).
9. The electric skateboard power mechanism compatible with large and small wheels as claimed in any one of claims 1 to 7, wherein the bridge (1) is provided with a motor mounting seat (21), and the motor (2) is fixed on the motor mounting seat (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920426236.XU CN210121327U (en) | 2019-03-29 | 2019-03-29 | Electric skateboard power mechanism compatible with large and small wheels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920426236.XU CN210121327U (en) | 2019-03-29 | 2019-03-29 | Electric skateboard power mechanism compatible with large and small wheels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210121327U true CN210121327U (en) | 2020-03-03 |
Family
ID=69633139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920426236.XU Active CN210121327U (en) | 2019-03-29 | 2019-03-29 | Electric skateboard power mechanism compatible with large and small wheels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210121327U (en) |
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2019
- 2019-03-29 CN CN201920426236.XU patent/CN210121327U/en active Active
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