CN216589794U - Mute gearbox for electric motorcycle - Google Patents
Mute gearbox for electric motorcycle Download PDFInfo
- Publication number
- CN216589794U CN216589794U CN202220216124.3U CN202220216124U CN216589794U CN 216589794 U CN216589794 U CN 216589794U CN 202220216124 U CN202220216124 U CN 202220216124U CN 216589794 U CN216589794 U CN 216589794U
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- Prior art keywords
- gear
- shaft
- shifting
- gearbox
- power input
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- Expired - Fee Related
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- 238000000034 method Methods 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 210000003813 thumb Anatomy 0.000 claims abstract description 12
- 230000004044 response Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a silent gearbox for an electric motorcycle, which comprises a power input shaft and a gear shifting shaft; a power input gear is fixed on the power input shaft, and a first gear, a second gear and an intermediate gear are arranged on the gear shifting shaft; a gear shifting thumb wheel is sleeved on the intermediate gear; one side of the first gear, which is far away from the second gear, is provided with a power transmission gear; the power input gear is also connected with a first gear and a second gear through a gear mechanism, the gear mechanism comprises a gear, the gear is a duplicate gear, one gear is meshed with the first gear, and the other gear is meshed with the second gear; the gear shifting shaft is also provided with a power output gear. The utility model discloses can effectively reduce the noise of gearbox among the shift and the working process to the response of shifting is faster, and experience feels better.
Description
Technical Field
The utility model relates to a gearbox technical field especially relates to a silence gearbox for electric motorcycle.
Background
At present, electric motorcycles (including electric motorcycles and electric tricycles) are increasingly used in daily life. In order to ensure that the energy-saving effect is better and the interval between the high rotating speed and the high torque is high in the driving process, most of the existing gearboxes of the electric motorcycles are provided with a high-speed gear structure and a low-speed gear structure; however, in the existing gearbox structure, because all the gears are driven by gears and output to a differential after passing through a gear shaft, the noise is high in the gear shifting process, and the response is slow in the gear shifting process, so that the experience feeling in the use process is influenced; meanwhile, in the working process, power is output after being transmitted by the multi-stage gears, so that noise is large in the working process.
SUMMERY OF THE UTILITY MODEL
The above-mentioned not enough to prior art exists, the utility model aims to provide a silence gearbox for electric motorcycle can effectively reduce the noise of gearbox among the shift and the working process to the response of shifting is faster, and experience feels better.
In order to solve the technical problem, the utility model discloses a technical scheme is like this: a silent gearbox for an electric motorcycle comprises a power input shaft and a gear shifting shaft; a power input gear is fixed on the power input shaft and can synchronously rotate along with the power input shaft; the method is characterized in that: a first gear, a second gear and a middle gear are arranged on the gear shifting shaft; the first gear and the second gear are sleeved on the gear shifting shaft in a hollow manner and can rotate freely; the middle gear is positioned between the first gear and the second gear and is matched and connected with the gear shifting shaft through a key; the middle gear is sleeved with a gear shifting wheel which is meshed with the middle gear, and the gear shifting wheel can be sleeved on the first gear or the second gear and simultaneously meshed with the middle gear and the first gear or simultaneously meshed with the middle gear and the second gear in the process of moving along the gear shifting shaft; a power transmission gear is arranged on one side of the first gear, which is far away from the second gear, and is fixedly connected with the first gear and can drive the first gear to synchronously rotate;
the first gear and the second gear are also connected through a gear mechanism, the gear mechanism comprises a gear, the gear can freely rotate around the axis of the gear, the gear is a duplicate gear, one gear is meshed with the first gear, and the other gear is meshed with the second gear; when the gear shifting thumb wheel is simultaneously engaged with the intermediate gear and the first-gear, first-gear output can be performed, and when the gear shifting thumb wheel is simultaneously engaged with the intermediate gear and the second-gear, second-gear output can be performed;
the gear shifting shaft is also provided with a power output gear.
Further, the power transmission device further comprises a differential, and an input gear of the differential is meshed with a power output gear.
Preferably, the gear is sleeved on the power input shaft and is in clearance fit with the power input shaft.
Preferably, the gear further comprises a gear shaft, and the gear is sleeved on the gear shaft and is in clearance fit with the gear shaft.
Furthermore, a convex ring is formed on one side of the first gear, which is far away from the second gear, and the power transmission gear is sleeved on the convex ring and is in interference fit with the convex ring.
Furthermore, one side of the first gear and one side of the second gear adjacent to each other are provided with gear rings, and the outer diameters of the two gear rings are smaller than the outer diameter of the first gear or the outer diameter of the second gear and are consistent with the outer diameter of the intermediate gear.
Compared with the prior art, the utility model has the advantages of as follows: simple structure can effectively reduce the volume of whole gearbox, keeps off and exports behind fender gear, keeps off direct coaxial output to set up the bearing between gear and the axle, thereby can greatly reduced shift and the noise of gearbox among the working process, and make the response of shifting faster, experience feels better.
Drawings
Fig. 1 is a schematic structural view of embodiment 1.
Fig. 2 is a schematic structural view of embodiment 2.
In the figure: 1-power input shaft, 2-gear shifting shaft, 3-power input gear, 4-first gear, 5-second gear, 6-intermediate gear, 7-gear shifting wheel, 8-power transmission gear, 9-gear, 10-power output gear, 11-differential mechanism and 12-gear shaft.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1: referring to fig. 1, a silent gearbox for an electric motorcycle comprises a power input shaft 1 and a gear shifting shaft 2. The power input shaft 1 is fixed with a power input gear 3, and the power input gear 3 can synchronously rotate along with the power input shaft 1. A first gear 4, a second gear 5 and an intermediate gear 6 are arranged on the gear shifting shaft 2; the first gear 4 and the second gear 5 are sleeved on the gear shifting shaft 2 in an empty mode and can rotate freely; the intermediate gear 6 is positioned between the first gear 4 and the second gear 5 and is matched and connected with the gear shifting shaft 2 through a key; during processing, the two sides of the first gear 4, the second gear 5 and the middle gear 6 are provided with retaining rings, so that axial positioning is realized; and the intermediate gear 6 is in clearance fit with both the first gear 4 and the second gear 5.
The middle gear 6 is sleeved with a gear shifting thumb wheel 7, the gear shifting thumb wheel 7 is meshed with the middle gear 6, and the gear shifting thumb wheel 7 can be sleeved on the first gear 4 or the second gear 5 and simultaneously meshed with the middle gear 6 and the first gear 4 or simultaneously meshed with the middle gear 6 and the second gear 5 in the process of moving along the gear shifting shaft 2. One side of the first gear 4, which is far away from the second gear 5, is provided with a power transmission gear 8, and the power transmission gear 8 is fixedly connected with the first gear 4 and can drive the first gear 4 to synchronously rotate. In specific implementation, a convex ring is formed on one side of the first gear 4, which is far away from the second gear 5, and the power transmission gear 8 is sleeved on the convex ring and is in interference fit with the convex ring; thus, the whole processing is more convenient. In the machining process, one side of the first gear 4 adjacent to one side of the second gear 5 is provided with a gear ring, and the outer diameters of the two gear rings are smaller than the outer diameter of the first gear 4 or the outer diameter of the second gear 5 and are consistent with the outer diameter of the intermediate gear 6; therefore, the stability of the gearbox in the working process can be effectively improved.
The first gear 4 and the second gear 5 are further connected through a gear 9 mechanism, the gear 9 mechanism comprises a gear 9, the gear 9 can freely rotate around the axis of the gear, the gear 9 is a duplicate gear, one gear is meshed with the first gear 4, and the other gear is meshed with the second gear 5. When the shift paddle 7 is simultaneously engaged with the intermediate gear 6 and the first-gear 4, first-gear output can be performed, and when the shift paddle 7 is simultaneously engaged with the intermediate gear 6 and the second-gear 5, second-gear output can be performed. In the implementation process, the gear 9 is sleeved on the power input shaft 1 and is in clearance fit with the power input shaft 1, and two sides of the gear are axially limited through check rings. Thus, the whole gearbox only has two shafts, so that the whole structure is simpler, and the size is smaller. In order to further reduce noise, bearings are arranged between the first gear 4 and the gear 9 and the power input shaft 1.
On the shift shaft 2, a power take-off gear 10 is also provided. And a differential gear 11, wherein an input gear of the differential gear 11 is meshed with the power output gear 10.
In the scheme, when the first-gear output is carried out, the gear shifting thumb wheel 7 is operated to be simultaneously meshed with the intermediate gear 6 and the first-gear 4, at the moment, power is transmitted to the first-gear 4 through the power input gear 3 and the transmission gear, the first-gear 4 is transmitted to the gear shifting shaft 2 through the gear shifting thumb wheel 7 and the intermediate gear 6, and finally the power is output through the power output gear 10; in the process, power is directly output after passing through the gear shifting shaft 2, so that power loss is effectively reduced, and energy consumption is reduced. When the second-gear output is carried out, the gear shifting thumb wheel 7 is operated to be meshed with the intermediate gear 6 and the second-gear 5 at the same time, at the moment, power is transmitted to the first-gear 4 through the power input gear 3 and the transmission gear, the first-gear 4 is transmitted to the second-gear 5 through the gear 9, the second-gear 5 is transmitted to the gear shifting shaft 2 through the gear shifting thumb wheel 7 and the intermediate gear 6, and finally the power is output through the power output gear 10; the process adopts coaxial output, and can quickly realize gear switching; and because the gear 9 only realizes one gear output, and a bearing is arranged between the gear and the shaft, the noise can be effectively reduced.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that those modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all should be covered in the scope of the claims of the present invention.
Claims (6)
1. A silent gearbox for an electric motorcycle comprises a power input shaft and a gear shifting shaft; a power input gear is fixed on the power input shaft and can synchronously rotate along with the power input shaft; the method is characterized in that: a first gear, a second gear and a middle gear are arranged on the gear shifting shaft; the first gear and the second gear are sleeved on the gear shifting shaft in a hollow manner and can rotate freely; the middle gear is positioned between the first gear and the second gear and is matched and connected with the gear shifting shaft through a key; the middle gear is sleeved with a gear shifting wheel which is meshed with the middle gear, and the gear shifting wheel can be sleeved on the first gear or the second gear and simultaneously meshed with the middle gear and the first gear or simultaneously meshed with the middle gear and the second gear in the process of moving along the gear shifting shaft; a power transmission gear is arranged on one side of the first gear, which is far away from the second gear, and is fixedly connected with the first gear and can drive the first gear to synchronously rotate;
the first gear and the second gear are also connected through a gear mechanism, the gear mechanism comprises a gear, the gear can freely rotate around the axis of the gear, the gear is a duplicate gear, one gear is meshed with the first gear, and the other gear is meshed with the second gear; when the gear shifting thumb wheel is simultaneously engaged with the intermediate gear and the first-gear, first-gear output can be performed, and when the gear shifting thumb wheel is simultaneously engaged with the intermediate gear and the second-gear, second-gear output can be performed;
the gear shifting shaft is also provided with a power output gear.
2. The silent gearbox for electric motorcycle of claim 1, wherein: the differential mechanism is characterized by further comprising a differential mechanism, wherein an input gear of the differential mechanism is meshed with a power output gear.
3. The silent gearbox for electric motorcycle as claimed in claim 1 or 2, wherein: the gear is sleeved on the power input shaft and is in clearance fit with the power input shaft.
4. The silent gearbox for electric motorcycle as claimed in claim 1 or 2, wherein: the gear further comprises a gear shaft, and the gear is sleeved on the gear shaft and is in clearance fit with the gear shaft.
5. The silent gearbox for electric motorcycle of claim 1, wherein: a convex ring is formed on one side of the first gear, which is far away from the second gear, and the power transmission gear is sleeved on the convex ring and is in interference fit with the convex ring.
6. The silent gearbox for electric motorcycle of claim 1, wherein: and one side of the first gear adjacent to the second gear is provided with a gear ring, and the outer diameters of the two gear rings are smaller than the outer diameter of the first gear or the outer diameter of the second gear and are consistent with the outer diameter of the intermediate gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220216124.3U CN216589794U (en) | 2022-01-26 | 2022-01-26 | Mute gearbox for electric motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220216124.3U CN216589794U (en) | 2022-01-26 | 2022-01-26 | Mute gearbox for electric motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216589794U true CN216589794U (en) | 2022-05-24 |
Family
ID=81635810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220216124.3U Expired - Fee Related CN216589794U (en) | 2022-01-26 | 2022-01-26 | Mute gearbox for electric motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216589794U (en) |
-
2022
- 2022-01-26 CN CN202220216124.3U patent/CN216589794U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |