CN213566333U - Put motor in intelligence - Google Patents
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- CN213566333U CN213566333U CN202022306690.7U CN202022306690U CN213566333U CN 213566333 U CN213566333 U CN 213566333U CN 202022306690 U CN202022306690 U CN 202022306690U CN 213566333 U CN213566333 U CN 213566333U
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- shaft
- gear
- middle shaft
- torsion
- shell
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Abstract
The utility model relates to an intelligent centrally-mounted motor, which comprises a shell, wherein a middle shaft and a secondary speed reducing structure are arranged in the shell, the middle shaft is connected with the secondary speed reducing structure through an output gear, a torsion sensing structure is arranged on the middle shaft, and the torsion sensing structure is connected with a controller; the middle shaft and the deceleration shaft of the two-pole deceleration structure are arranged in parallel; one end of the middle shaft penetrates through the middle shaft base to be connected with the pedal, the other end of the middle shaft penetrates through a torsion sleeve of the torsion sensor structure to be connected with the pedal, the middle shaft is connected with the middle shaft base through a bearing, and the middle shaft base is fixedly connected with the shell; the output gear is sleeved on the torsion sleeve through the first isolator and is connected with the shell through the bearing. Utility model is connected through the axis base between axis and the casing, and structural configuration is independent, and when the sensor structure on it broke down, dismouting easy maintenance.
Description
Technical Field
The utility model relates to an electric bicycle field especially relates to a put motor in intelligence.
Background
Along with the reinforcing of people's environmental protection consciousness, the electric bicycle that has energy-efficient more and more receives people's favor, and people experience the requirement to the electronic helping hand of current bicycle more and more high, current electronic helping hand motor overall structure is compact, and sensor structure in it is if breaking down, and it is very inconvenient to maintain.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, and put motor in intelligence is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an intelligent centrally-mounted motor comprises a shell, wherein a middle shaft and a secondary speed reducing structure are arranged in the shell, the middle shaft and the secondary speed reducing structure are connected through an output gear, a torsion sensing structure is arranged on the middle shaft, and the torsion sensing structure is connected with a controller; the middle shaft and the deceleration shaft of the two-pole deceleration structure are arranged in parallel; one end of the middle shaft penetrates through the middle shaft base to be connected with the pedal, the other end of the middle shaft penetrates through a torsion sleeve of the torsion sensor structure to be connected with the pedal, the middle shaft is connected with the middle shaft base through a bearing, and the middle shaft base is fixedly connected with the shell; the output gear is sleeved on the torsion sleeve through the first isolator and is connected with the shell through the bearing.
Preferably, the speed reduction shaft comprises an input shaft, an intermediate shaft and an output shaft, the input shaft, the intermediate shaft and the output shaft are respectively arranged on the support in the shell through bearings, the input shaft, the intermediate shaft and the output shaft are arranged in parallel, the rotor is sleeved on the input shaft, and the stator is arranged on the inner wall of the shell corresponding to the rotor.
Preferably, the first gear is sleeved on the input shaft, the second gear and the third gear are sleeved on the intermediate shaft, the fourth gear and the fifth gear are sleeved on the output shaft, the first gear is meshed with the second gear, the third gear is meshed with the fourth gear, the fifth gear is meshed with the output gear, and the fourth gear is sleeved on the output shaft through the second isolator.
Preferably, a strain gauge is adhered to the torque sleeve of the sensor structure, the strain gauge is connected with a torque circuit board arranged on the torque sleeve, a power supply board is fixedly arranged on the middle shaft base opposite to the torque circuit board, and the power supply board is connected with the controller.
Preferably, the output gear is connected with the shell through a bearing, and the outer shaft end of the output gear is fixedly connected with the chain wheel.
Preferably, one end of the torsion sleeve is connected with the middle shaft through a spline, and the other end of the torsion sleeve is connected with the middle shaft through a bearing.
Compared with the prior art, the utility model beneficial effect be:
1) the utility model discloses be connected through the axis base between axis and the casing, structural configuration is independent, and when the sensor structure on it broke down, dismouting easy maintenance.
2) The utility model discloses utilize the harmonic reduction gear to slow down, the motor speed reduction ratio is big, and the volume of motor is less, and is good with the wholeness of whole car.
3) The utility model discloses simple structure is exquisite, accurate control motor's start-up and closing, and the helping hand effect is obvious.
4) The utility model discloses complete machine cooperation structure's stability is high, and the consumption is little.
The invention is further described with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic sectional structure diagram of the preferred embodiment of the present invention.
Detailed Description
In order to more fully understand the technical content of the present invention, the technical solution of the present invention will be further described and explained with reference to the specific embodiments.
As shown in fig. 1, the intelligent centrally-mounted motor comprises a shell 1, wherein a middle shaft 2 and a secondary speed reducing structure are arranged in the shell 1, the middle shaft 2 and the secondary speed reducing structure are connected through an output gear 3, a torsion sensing structure 4 is arranged on the middle shaft 2, and the torsion sensing structure 4 is connected with a controller; the middle shaft 2 and the deceleration shaft 5 of the two-pole deceleration structure are arranged in parallel; one end of the middle shaft 2 penetrates through the middle shaft base 6 to be connected with the pedal, the other end of the middle shaft penetrates through the torsion sleeve 41 of the torsion sensor structure 4 to be connected with the pedal, the middle shaft 2 and the middle shaft base 6 are connected through a bearing, and the middle shaft base 6 is fixedly connected with the shell 1; the output gear 3 is sleeved on the torsion sleeve 41 through the first isolator 7 and is connected with the shell 1 through a bearing. The middle shaft 2 is provided with a torsion sensing structure 4 and is connected with the shell 1 through a middle shaft base 6, when the torsion sensing structure 4 breaks down, the middle shaft 2 can be directly taken out by disassembling the middle shaft base 6, and then the torsion sensing structure 4 is quickly maintained.
Specifically, the speed reduction shaft 5 includes an input shaft 51, an intermediate shaft 52 and an output shaft 53, the input shaft 51, the intermediate shaft 52 and the output shaft 53 are respectively arranged on a support in the housing 1 through bearings, the input shaft 51, the intermediate shaft 52 and the output shaft 53 are arranged in parallel, the rotor 8 is sleeved on the input shaft 51, and the setter 9 is arranged on the inner wall of the housing 1 corresponding to the rotor 8.
Specifically, the input shaft 51 is sleeved with the first gear 10, the intermediate shaft 52 is sleeved with the second gear 11 and the third gear 12, the output shaft 53 is sleeved with the fourth gear 13 and the fifth gear 14, the first gear 10 is meshed with the second gear 11, the third gear 12 is meshed with the fourth gear 13, the fifth gear 14 is meshed with the output gear 3, and the fourth gear 13 is sleeved on the output shaft 53 through the second isolator 15. When the motor rotor 8 works, power is transmitted to the chain wheel according to the first gear 10, the second gear 11, the third gear 12, the fourth gear 13, the fifth gear 14 and the output gear 3 in sequence.
Specifically, a strain gauge is adhered to a torsion sleeve 41 of the sensor structure 4, the strain gauge is connected with a torque circuit board 42 arranged on the torsion sleeve 41, a power supply board 43 is fixedly arranged on a middle shaft base 6 opposite to the torque circuit board 42, and the power supply board 43 is connected with the controller.
Specifically, the output gear 3 is connected with the shell 1 through a bearing, and the outer shaft end of the output gear 3 is fixedly connected with a chain wheel.
Specifically, one end of the torsion sleeve 41 is connected with the middle shaft 2 through a spline, and the other end is connected with the middle shaft 2 through a bearing.
The working principle of the utility model is as follows:
when riding, applying pedal force to the pedals, the pedals drive the middle shaft 2 to rotate, the middle shaft 2 drives the torque sleeve 41, the strain gauge on the torque sleeve 41, the torque circuit board 42 and the power supply board 43 transmit detected torque data to the controller, and the controller controls the motor rotor 8 to work according to the power-assisted condition to finish power assistance.
When riding in a non-power state, the second isolator 15 is disengaged, the fifth gear 14 rotates along with the output gear 3, the first gear 10, the second gear 11, the third gear 12 and the fourth gear 13 stop rotating, and no interference is generated in treading and riding.
When the pedal is stopped to be stepped, the middle shaft 2 and the torque sleeve 41 stop rotating, the first isolator 7 is disconnected, the output gear 3 continues to work, the power supply board 43 receives a signal of the torque circuit board 42, and the controller stops working when the middle shaft 2 is detected not to rotate.
The technical content of the present invention is further described by the above embodiments only, so that the reader can understand the technical content more easily, but the embodiments of the present invention are not limited thereto, wherein the local structure and the connection mode of each component can be adjusted to some extent according to the actual situation, and any technical extension or re-creation according to the present invention is protected by the present invention.
Claims (6)
1. An intelligent centrally-mounted motor comprises a shell, and is characterized in that a middle shaft and a secondary speed reducing structure are arranged in the shell, the middle shaft and the secondary speed reducing structure are connected through an output gear, a torsion sensing structure is arranged on the middle shaft, and the torsion sensing structure is connected with a controller; the middle shaft and the deceleration shaft of the two-pole deceleration structure are arranged in parallel; one end of the middle shaft penetrates through the middle shaft base to be connected with the pedal, the other end of the middle shaft penetrates through a torsion sleeve of the torsion sensor structure to be connected with the pedal, the middle shaft is connected with the middle shaft base through a bearing, and the middle shaft base is fixedly connected with the shell; the output gear is sleeved on the torsion sleeve through the first isolator and is connected with the shell through the bearing.
2. The intelligent centrally-mounted motor according to claim 1, wherein the speed reduction shaft comprises an input shaft, an intermediate shaft and an output shaft, the input shaft, the intermediate shaft and the output shaft are respectively arranged on a bracket in the housing through bearings, the input shaft, the intermediate shaft and the output shaft are arranged in parallel, the input shaft is sleeved with the rotor, and a stator is arranged on the inner wall of the housing corresponding to the rotor.
3. The intelligent centrally-mounted motor according to claim 2, wherein a first gear is sleeved on the input shaft, a second gear and a third gear are sleeved on the intermediate shaft, a fourth gear and a fifth gear are sleeved on the output shaft, the first gear is meshed with the second gear, the third gear is meshed with the fourth gear, the fifth gear is meshed with the output gear, and the fourth gear is sleeved on the output shaft through a second isolator.
4. The intelligent centrally-mounted motor according to claim 1, wherein a strain gauge is adhered to a torsion sleeve of the sensor structure, the strain gauge is connected with a torque circuit board arranged on the torsion sleeve, a power supply board is fixedly arranged on a center shaft base opposite to the torque circuit board, and the power supply board is connected with a controller.
5. The intelligent centrally-mounted motor according to claim 1, wherein the output gear is connected with the shell through a bearing, and an outer shaft end of the output gear is fixedly connected with a chain wheel.
6. The intelligent centrally-mounted motor according to claim 1, wherein one end of the torsion sleeve is connected with the middle shaft through a spline, and the other end of the torsion sleeve is connected with the middle shaft through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022306690.7U CN213566333U (en) | 2020-10-15 | 2020-10-15 | Put motor in intelligence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022306690.7U CN213566333U (en) | 2020-10-15 | 2020-10-15 | Put motor in intelligence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213566333U true CN213566333U (en) | 2021-06-29 |
Family
ID=76524585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022306690.7U Active CN213566333U (en) | 2020-10-15 | 2020-10-15 | Put motor in intelligence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213566333U (en) |
-
2020
- 2020-10-15 CN CN202022306690.7U patent/CN213566333U/en active Active
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