CN210942116U - Driving motor assembly mounted in middle of bicycle - Google Patents
Driving motor assembly mounted in middle of bicycle Download PDFInfo
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- CN210942116U CN210942116U CN201921801830.9U CN201921801830U CN210942116U CN 210942116 U CN210942116 U CN 210942116U CN 201921801830 U CN201921801830 U CN 201921801830U CN 210942116 U CN210942116 U CN 210942116U
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- motor
- gear
- way pipe
- bicycle
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Abstract
The utility model relates to a driving motor assembly arranged in a bicycle, which comprises a motor gear reduction box, a motor driving circuit bin and a five-way pipe connecting structure, wherein the motor driving circuit bin is arranged at the rear side of the motor gear reduction box, the five-way pipe connecting structure is positioned at the outer side of the motor gear reduction box, the motor gear reduction box comprises a shell, a motor rotor and a motor gear train which are arranged in the shell, the motor gear train comprises an outer bevel gear shaft assembled on the motor rotor, the outer helical gear of pair with outer helical gear shaft meshing and with the outer helical gear meshing of pair, the casing outside has the connection lid of fixing on the initiative fluted disc, connects lid and casing structure as an organic whole, and installation pipe department sets up five-way pipe connection structure, and five-way pipe connection structure includes five-way pipe and is located the fixed bolster, fixation nut and the outer nut of five-way pipe one end. The utility model discloses simple structure, be convenient for assembly, easy processing can improve the stability of whole motor and gear reduction mechanism operation greatly.
Description
Technical Field
The utility model belongs to the technical field of the driving motor technique and specifically relates to an in putting installation driving motor assembly in bicycle.
Background
With the technical development of the field of electric power assistance of bicycles, a motor is usually arranged in a common bicycle by means of a connecting frame, so that the electric bicycle is formed. However, the connection structure of the driving motor (middle motor) arranged in the middle of some existing bicycles is unreasonable, so that the problems of more production materials, large and heavy size and easy deviation of the arranged motor exist. Related electric circuits are unreasonable in arrangement, the wiring of a main circuit of the motor is disordered, accident potential is easily caused in the operation, and the personal safety of a user is threatened.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: overcomes the defects in the prior art and provides a bicycle middle-mounted driving motor assembly.
The utility model provides a technical scheme that its technical problem adopted is: a driving motor assembly arranged in a bicycle comprises a motor gear reduction box, a motor driving circuit bin and a five-way pipe connecting structure, wherein the motor driving circuit bin is arranged at the rear side of the motor gear reduction box, the five-way pipe connecting structure is positioned at the outer side of the motor gear reduction box, the motor gear reduction box comprises a shell, a motor rotor and a motor gear train, the motor rotor and the motor gear train are arranged in the shell, the motor gear train comprises an outer bevel gear shaft assembled on the motor rotor, a duplex outer bevel gear meshed with the outer bevel gear shaft and a duplex gear meshed with the duplex outer bevel gear, a connecting cover fixed on the driving gear disc is arranged on the outer side of the shell, the connecting cover and the shell are of an integral structure, a middle mounting pipe of a middle shaft is arranged in the middle of the connecting cover, a five-way pipe connecting structure is arranged at the mounting pipe, the five-way pipe connecting structure comprises a five-way pipe and a fixing support located at one end of the five-way pipe.
Further defined, the outer bevel gear shaft is embodied as an 8-tooth outer bevel gear shaft.
Further, the double outer helical gear is specifically a double outer helical gear with 32 teeth at one end and 11 teeth at the other end.
Further defined, the duplicate gear is a duplicate gear with 64 teeth at one end and 36 teeth at the other end.
In order to facilitate assembly, it is further defined that a cover is provided on the housing, and the fixing bracket is connected with the cover.
In order to ensure good heat dissipation capability of the driving circuit, the motor driving circuit bin is further limited to be an aluminum shell with a sealing ring.
In order to ensure the assembly tightness of the aluminum shell, the aluminum shell is further limited, and a stamping-resistant and waterproof control circuit is arranged in the aluminum shell.
Further defined, the bottom bracket is connected with the pedal crank.
The utility model has the advantages that: the connecting cover and the reduction gearbox shell are designed into an integral structure, and the five-way pipe connecting structure is arranged on the integral structure, so that the assembly efficiency of the connecting cover and the reduction gearbox shell and the use stability after assembly can be improved; the motor gear train in the motor gear reduction box is composed of three gears, namely an outer bevel gear shaft, a duplex outer bevel gear and a duplex gear, so that the assembly is convenient, and the running stability of the whole motor and the gear reduction mechanism can be greatly improved; the motor driving circuit bin is an aluminum shell with a sealing ring, so that the heat dissipation capacity of the driving circuit is greatly improved, and a high-quality operating environment is provided for a control system, so that the reliability of the whole set of assembly is indirectly improved; the aluminum shell is internally provided with a stamping-resistant and waterproof control circuit, so that the electrical control of the assembly is well and reliably protected.
Drawings
The present invention will be further described with reference to the accompanying drawings and embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure in the other direction of fig. 1.
Fig. 3 is an assembly view of the present invention.
Fig. 4 is a schematic structural diagram of the gear train of the motor according to the present invention.
In the figure: 1. the motor gear reduction box comprises a motor gear reduction box body, 2 a motor driving circuit bin, 3 a five-way pipe connecting structure, 4 a driving fluted disc, 5 a connecting cover, 6 a middle shaft, 7 a pedal crank, 11 a shell, 12 a motor rotor, 13 a motor gear train, 14 a cover, 131 an outer bevel gear shaft, 132 a duplex outer bevel gear, 133 a duplex gear, 21 a sealing ring, 31 a five-way pipe, 32 a fixing support, 33 a fixing nut, 34 an outer sleeve nut and 51 an installation pipe.
Detailed Description
The invention will now be further described with reference to the accompanying drawings. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1 to 4, the bicycle center-mounted driving motor assembly of this embodiment includes a motor gear reduction box 1, a motor driving circuit bin 2 and a five-way pipe connecting structure 3, the motor driving circuit bin 2 is mounted at the rear side of the motor gear reduction box 1, the five-way pipe connecting structure 3 is located at the outer side of the motor gear reduction box 1, the motor gear reduction box 1 includes a housing 11, a motor rotor 12 and a motor gear train 13 which are arranged in the housing 11, the motor gear train 13 includes an outer bevel gear shaft 131 assembled on the motor rotor, a duplex outer bevel gear 132 engaged with the outer bevel gear shaft 131 and a duplex gear 133 engaged with the duplex outer bevel gear 132, a connecting cover 5 fixed on a driving fluted disc 4 is provided at the outer side of the housing 11, the connecting cover 5 and the housing 11 are of an integral structure, a mounting pipe 51 of a middle shaft 6 is provided in the middle of the connecting cover 5, the middle shaft 6, the mounting pipe 51 is provided with a five-way pipe connecting structure 3, and the five-way pipe connecting structure 3 comprises a five-way pipe 31, a fixing bracket 32 positioned at one end of the five-way pipe 31, a fixing nut 33 and a casing nut 34.
Preferably, the outer bevel gear shaft 131 is embodied as an 8-tooth outer bevel gear shaft. The duplex outer helical gear 132 is embodied as a duplex outer helical gear with 32 teeth at one end and 11 teeth at the other end. The double gear 133 is embodied as a double gear having 64 teeth at one end and 36 teeth at the other end.
In this embodiment, the housing 11 is provided with a cover 14, and the fixing bracket 32 is connected to the cover 14. The motor driving circuit chamber 2 is specifically an aluminum shell with a sealing ring 21. And a stamping-resistant and waterproof control circuit is arranged in the aluminum shell.
The motor gear reduction box 1 mainly comprises three parts, namely an outer bevel gear shaft 131 containing 8 teeth, a duplex outer bevel gear 132 containing 32 teeth and 11 teeth and a duplex gear 133 containing 64 outer bevel teeth and 36 inner bevel teeth, which are assembled on a motor rotor 12, has simple structure, is convenient to assemble and easy to process, and can greatly improve the running stability of the whole motor and a gear reduction mechanism.
The motor driving circuit bin 2 is packaged and sealed by an aluminum shell, and an internal control circuit is subjected to sealing treatment such as impact resistance and water resistance, so that the electric control of the assembly is well and reliably protected, the heat dissipation capacity of the driving circuit is greatly improved by the aluminum shell, a high-quality operation environment is provided for a control system, and the reliability of the whole set of assembly is indirectly improved.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable people skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (8)
1. The utility model provides an in putting installation driving motor assembly in bicycle, includes motor gear reduction box, motor-drive circuit storehouse and five-way pipe connection structure, and the rear side at motor gear reduction box is installed in the motor-drive circuit storehouse, and five-way pipe connection structure is located motor gear reduction box's the outside, its characterized in that: the motor gear reduction box comprises a shell, a motor rotor and a motor gear train, the motor rotor and the motor gear train are arranged in the shell, the motor gear train comprises an outer bevel gear shaft assembled on the motor rotor, a duplex outer bevel gear meshed with the outer bevel gear shaft and a duplex gear meshed with the duplex outer bevel gear, a connecting cover fixed on the driving gear disc is arranged on the outer side of the shell, the connecting cover and the shell are of an integral structure, a middle mounting pipe of a middle shaft is arranged in the middle of the connecting cover, a five-way pipe connecting structure is arranged at the mounting pipe, the five-way pipe connecting structure comprises a five-way pipe and a fixing support located at one end of the five-way pipe.
2. The mid-mount drive motor assembly for a bicycle of claim 1, wherein: the outer bevel gear shaft is specifically an 8-tooth outer bevel gear shaft.
3. The mid-mount drive motor assembly for a bicycle of claim 1, wherein: the duplex outer helical gear is specifically a duplex outer helical gear with 32 teeth at one end and 11 teeth at the other end.
4. The mid-mount drive motor assembly for a bicycle of claim 1, wherein: the duplicate gear is specifically a duplicate gear with 64 teeth at one end and 36 teeth at the other end.
5. The mid-mount drive motor assembly for a bicycle of claim 1, wherein: the shell is provided with a cover, and the fixed support is connected with the cover.
6. The mid-mount drive motor assembly for a bicycle of claim 1, wherein: the motor driving circuit bin is specifically an aluminum shell with a sealing ring.
7. The mid-mount drive motor assembly for a bicycle of claim 6, wherein: and an anti-stamping and waterproof control circuit is arranged in the aluminum shell.
8. The mid-mount drive motor assembly for a bicycle of claim 1, wherein: the middle shaft is connected with a pedal crank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921801830.9U CN210942116U (en) | 2019-10-24 | 2019-10-24 | Driving motor assembly mounted in middle of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921801830.9U CN210942116U (en) | 2019-10-24 | 2019-10-24 | Driving motor assembly mounted in middle of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210942116U true CN210942116U (en) | 2020-07-07 |
Family
ID=71399049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921801830.9U Active CN210942116U (en) | 2019-10-24 | 2019-10-24 | Driving motor assembly mounted in middle of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210942116U (en) |
-
2019
- 2019-10-24 CN CN201921801830.9U patent/CN210942116U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211109 Address after: 213000 No. 232-2 baizhangqiao, sanhuangmiao village, Zhenglu Town, Tianning District, Changzhou City, Jiangsu Province Patentee after: Changzhou pengyuanda Electric Drive Technology Co.,Ltd. Address before: 239000 No. 20, Pangjia group, Dongxing village, xishadian Town, Dingyuan County, Chuzhou City, Anhui Province Patentee before: Pang Xiaoxue |
|
| TR01 | Transfer of patent right |