CN217002787U - Electric starting reduction gear mechanism of motorcycle engine - Google Patents
Electric starting reduction gear mechanism of motorcycle engine Download PDFInfo
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- CN217002787U CN217002787U CN202122921716.3U CN202122921716U CN217002787U CN 217002787 U CN217002787 U CN 217002787U CN 202122921716 U CN202122921716 U CN 202122921716U CN 217002787 U CN217002787 U CN 217002787U
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Abstract
The utility model relates to an electric starting reduction gear mechanism of a motorcycle engine, which comprises a reduction gear shaft, a disc spring, a friction driven steel sheet, a paper-based friction plate, a reduction gear wheel and a check ring. The motorcycle engine electric starting speed reducing gear mechanism is simple in structure and can only transmit torque required by the engine when the engine is started, when the engine is flamed out and the crankshaft rotates reversely, the impact force of the crankshaft for the electric starting speed reducing gear mechanism is large, the impact force at the moment can far exceed the torque which can be transmitted by the electric starting speed reducing gear, the electric starting speed reducing gear mechanism slips at the moment, the impact force of the crankshaft is cut off, the reverse rotation impact force of the crankshaft can not act on the electric starting speed reducing gear mechanism, and the electric starting speed reducing gear mechanism of the engine is protected.
Description
Technical Field
The utility model relates to an electric starting mechanism of a motorcycle engine, in particular to an electric starting reduction gear mechanism of the motorcycle engine.
Background
At present, with the increasing development of motorcycles, the engine of the motorcycle is gradually developed towards the direction of large displacement and high compression ratio, and after the displacement and the compression ratio are increased, the situation that the electric starting speed reduction gear is damaged due to the reverse impact of the engine is easy to occur under the condition that the engine is flamed out.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide an electric starting reduction gear mechanism of a motorcycle engine, which has a simple structure and is not easy to be damaged by the reverse impact of the engine.
The technical scheme is as follows:
the purpose of the utility model is realized as follows: the utility model provides a motorcycle engine electricity starts reduction gear mechanism, includes reduction gear axle, dish spring, the driven steel sheet of friction, paper friction disc, speed reduction gear wheel, retaining ring, its characterized in that: the reduction gear shaft is arranged at the mounting positions of the spline shaft and the check ring; the disc spring, the friction driven steel sheet, the paper-based friction sheet, the deceleration large gear, the paper-based friction sheet, the friction driven steel sheet and the disc spring are sequentially installed on the spline shaft of the deceleration gear shaft, and then the retainer ring is pressed on the retainer ring installation position of the deceleration gear shaft.
The electric starting reduction gear mechanism of the motorcycle engine is characterized in that: the deceleration big gear is in clearance fit with the spline shaft of the deceleration gear shaft.
The motorcycle engine electric starting reduction gear mechanism is characterized in that: the inner hole of the friction driven steel sheet and the speed reducing gear shaft are mutually coupled pieces.
The motorcycle engine electric starting reduction gear mechanism is characterized in that: when the engine is normally started, the starting motor drives the deceleration big gear, the deceleration big gear transmits torque to the paper-based friction plate through static friction, the paper-based friction plate transmits the torque to the friction driven steel sheet through the static friction, the friction driven steel sheet transmits the torque to the deceleration gear shaft through the mutual coupling matching key groove, and finally normal operation of the electric starting deceleration gear mechanism of the engine is achieved.
The motorcycle engine electric starting reduction gear mechanism is characterized in that: when the engine stops, the engine crankshaft can rotate reversely to generate huge impact force, the impact force is transmitted to the reduction gear shaft, the reduction gear shaft transmits the impact force to the friction driven steel sheet through the mutual coupling matching key groove, when the friction driven steel sheet transmits static friction force to the paper base friction sheet, the static friction force is smaller than the impact force at the moment, the slip occurs, the stop impact force is not transmitted any more, and the effect of starting the reduction gear mechanism by the engine is achieved.
Has the advantages that:
the electric starting speed reducing gear mechanism of the motorcycle engine has a simple structure, can only transmit torque required by the engine during starting, when the engine is flamed out and the crankshaft rotates reversely, the impact force of the crankshaft to the electric starting speed reducing gear mechanism can be very large, the impact force at the moment can far exceed the torque which can be transmitted by the electric starting speed reducing gear, the electric starting speed reducing gear mechanism slips at the moment, the impact force of the crankshaft is cut off, the reverse impact force of the crankshaft can not act on the electric starting speed reducing gear mechanism, and the electric starting speed reducing gear mechanism of the engine is protected.
Description of the drawings:
fig. 1 is a schematic structural view of an electric start reduction gear mechanism of a motorcycle engine.
Fig. 2 is a schematic assembled sectional view of an electric start reduction gear mechanism of a motorcycle engine according to the present invention.
The specific implementation mode is as follows:
the specific structure of the embodiment of the present invention will be further described with reference to the accompanying drawings.
Referring to the attached drawings, the electric starting reduction gear mechanism of the motorcycle engine comprises a reduction gear shaft (1), a disc spring (2), a friction driven steel sheet (3), a paper-based friction sheet (4), a reduction gear wheel (5) and a retainer ring (6), wherein the reduction gear shaft (1) is arranged on a spline shaft (11) and a retainer ring mounting position (12); the disc spring (2), the friction driven steel sheet (3), the paper-based friction sheet (4), the deceleration big gear (5), the paper-based friction sheet (4), the friction driven steel sheet (3) and the disc spring (2) are sequentially installed on a spline shaft (11) of the deceleration gear shaft (1), and then the retainer ring (6) is pressed on a retainer ring installation position (12) of the deceleration gear shaft (1).
The deceleration big gear (4) is in clearance fit with the spline shaft (11) of the deceleration gear shaft (1), and the inner hole of the friction driven steel sheet (3) and the deceleration gear shaft (1) are mutually coupled.
When the engine normally starts, the starting motor drives the speed reduction gear wheel (5), the speed reduction gear wheel (5) transmits the torque to the paper base friction plate (4) through static friction force, the paper base friction plate (4) transmits the torque to the friction driven steel sheet (3) through the static friction force, the friction driven steel sheet (3) transmits the torque to the speed reduction gear shaft (1) through the mutual coupling matching key groove, and finally the normal operation of the engine electric starting speed reduction gear mechanism is realized.
When the engine stops, the engine crankshaft can reverse to generate huge impact force, the impact force is transmitted to the reduction gear shaft (1), the reduction gear shaft (1) transmits the impact force to the friction driven steel sheet (3) through the mutual coupling matching key groove, when the friction driven steel sheet (3) transmits static friction force to the paper base friction sheet (4), the static friction force is smaller than the impact force, the slip occurs, the stop impact force is not transmitted any more, and the effect of starting the reduction gear mechanism by the engine is achieved.
The motorcycle engine electric starting speed reducing gear mechanism is simple in structure and can only transmit torque required by the engine when the engine is started, when the engine is flamed out and the crankshaft rotates reversely, the impact force of the crankshaft for the electric starting speed reducing gear mechanism is large, the impact force at the moment can far exceed the torque which can be transmitted by the electric starting speed reducing gear, the electric starting speed reducing gear mechanism slips at the moment, the impact force of the crankshaft is cut off, the reverse rotation impact force of the crankshaft can not act on the electric starting speed reducing gear mechanism, and the electric starting speed reducing gear mechanism of the engine is protected.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent change and modification of the above embodiments according to the technical spirit of the present invention are still within the scope of the technical solution of the present invention.
Claims (3)
1. The utility model provides a motorcycle engine electricity starts reduction gear mechanism, includes reduction gear axle, dish spring, the driven steel sheet of friction, paper friction disc, speed reduction gear wheel, retaining ring, its characterized in that: the reduction gear shaft is arranged at the mounting positions of the spline shaft and the check ring; the disc spring, the friction driven steel sheet, the paper-based friction sheet, the deceleration large gear, the paper-based friction sheet, the friction driven steel sheet and the disc spring are sequentially arranged on a spline shaft of the deceleration gear shaft, and then the retainer ring is pressed on the retainer ring mounting position of the deceleration gear shaft.
2. An electrically activated reduction gear mechanism for a motorcycle engine as set forth in claim 1, wherein: the deceleration big gear is in clearance fit with the spline shaft of the deceleration gear shaft.
3. An electrically activated reduction gear mechanism for a motorcycle engine as set forth in claim 1, wherein: the inner hole of the friction driven steel sheet and the speed reducing gear shaft are mutually coupled pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122921716.3U CN217002787U (en) | 2021-11-26 | 2021-11-26 | Electric starting reduction gear mechanism of motorcycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122921716.3U CN217002787U (en) | 2021-11-26 | 2021-11-26 | Electric starting reduction gear mechanism of motorcycle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217002787U true CN217002787U (en) | 2022-07-19 |
Family
ID=82381164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122921716.3U Active CN217002787U (en) | 2021-11-26 | 2021-11-26 | Electric starting reduction gear mechanism of motorcycle engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217002787U (en) |
-
2021
- 2021-11-26 CN CN202122921716.3U patent/CN217002787U/en active Active
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