CN202455213U - Hub-type reducing motor of electric bicycle with small wheel diameter - Google Patents
Hub-type reducing motor of electric bicycle with small wheel diameter Download PDFInfo
- Publication number
- CN202455213U CN202455213U CN2012200730157U CN201220073015U CN202455213U CN 202455213 U CN202455213 U CN 202455213U CN 2012200730157 U CN2012200730157 U CN 2012200730157U CN 201220073015 U CN201220073015 U CN 201220073015U CN 202455213 U CN202455213 U CN 202455213U
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- motor
- gear ring
- end cap
- gear
- motor shaft
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- Expired - Fee Related
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Abstract
The utility model discloses a hub-type reducing motor of an electric bicycle with small wheel diameters, which comprises a motor shaft, a stator, a rotor, a motor outer shell, a gear ring outer shell, a left end cover and a right end cover; the motor outer shell and the gear ring outer shell are integrally formed; the inner diameter of the gear ring outer shell is more than the outer diameter of the motor outer shell; the motor outer shell, the gear ring outer shell and the end covers are connected to form a closed containing space; the stator, the rotor, a stator frame, a gear ring, a planet wheel, a sun gear and a clutch are arranged in the containing space; the stator frame is fixedly arranged on the motor shaft; the stator is fixedly arranged on the stator frame; both ends of the rotor are respectively connected with the motor shaft and the stator frame through bearings; the sun gear is sleeved on the motor shaft and is fixedly connected with the rotor; the planet wheel is meshed with the sun gear; the inner gear surface of the gear ring is meshed with the planet wheel; the outer ring surface of the gear ring is press-fitted in the gear ring outer shell; and the inner diameter of the gear ring is more than the outer diameter of the motor outer shell. According to the reducing gear, ideal rotating speed and the torque of the motor can be realized, and a good heat dissipation effect is achieved.
Description
Technical field
The utility model relates to the motor that a kind of steamboat footpath electric two-wheel vehicle is used, and specifically is meant the hub-type reducing motor of a kind of steamboat footpath electric two-wheel vehicle, and this hub-type reducing motor is useful on the electric two-wheel vehicle of steamboat footpath equally.
Background technology
Prior electric bicycle electric two wheeler, in the hub reduction motor of use planetary gear speed reducing mechanism by sun gear, planetary gear; Gear ring is formed, and prior motor gear ring external diameter is all less than the internal diameter of motor housing, cause motor electromagnetic combination property design typification after; Can not add bull gear owing to receive motor housing internal diameter restriction and then limit the design of speed reducing ratio, can't obtain desirable motor speed and torque, the hub reduction motor all is provided with the spoke edge basically; Use spoke to connect motor and wheel rim; Steamboat footpath inflation tyre can't be installed, individual other on the hub reduction motor housing directly injection gather peace fat tire, cause can't dispel the heat causes rotor magnetic shoe demagnetization and take off a watt damage motor of motor; Can not inflate but can not be in safe distance skidding, the speed that can only be installed in is ridden instead of walk on the car extremely low old age.
The utility model content
The purpose of the utility model is to provide the hub-type reducing motor of a kind of steamboat footpath electric two-wheel vehicle, can obtain desirable motor speed and torque, and this reducing motor has good thermal diffusivity, and pneumatic tire can be installed.
The above-mentioned purpose of the utility model realizes through following technical scheme: the hub-type reducing motor of a kind of steamboat footpath electric two-wheel vehicle, and this reducing motor comprises motor shaft, stator, rotor, motor housing, gear ring shell, left end cap and right end cap, motor shaft horizontally set; Left end cap and right end cap vertically are sleeved on the said motor shaft through bearing, and motor housing and gear ring shell are the annular shell, and the shell surface of motor housing is fixedly connected with the spoke of horizontally set; Be installed with wheel rim on the spoke, wheel rim has wheel rim and charging connector seat, it is characterized in that: said motor housing and gear ring shell are one-body molded; The internal diameter of gear ring shell is greater than the external diameter of motor housing; Motor housing is fixedly connected with left end cap, and the gear ring shell is fixedly connected with right end cap, and motor housing, gear ring shell are connected the accommodation space that the back forms a sealing with end cap; Said stator and rotor all are arranged in the said accommodation space; Stator frame, gear ring, planetary gear, sun gear and clutch also are installed in this accommodation space, and stator frame is fixedly mounted on the motor shaft, and stator is fixedly mounted on the stator frame; The two ends of rotor are connected with stator frame with motor shaft through bearing respectively; Said gear ring, planetary gear, sun gear and clutch all are positioned at the same side of said accommodation space, and said sun gear is sleeved on the motor shaft and with rotor and is fixedly connected, and clutch passes through Bearing Installation on motor shaft; Said planetary gear is connected with clutch through bearing and is meshed with sun gear; The inner toothed surface of said gear ring is meshed with planetary gear, and the outer ring face is pressed and is embedded in the said gear ring shell, and the internal diameter of said gear ring is greater than the external diameter of motor housing.
The hub-type reducing motor of the utility model has the planetary gear speed reducing mechanism of gear ring external diameter greater than motor housing; With rotating speed and the torque after the motor deceleration of realization needs; Spoke and wheel rim are set on the motor housing; Be provided with louvre in above three's centre and be motor radiating at any time, the charging connector seat is set in the centre of spoke wheel rim wheel rim, to realize installing tubeless inflatable tyres.
In the utility model, said spoke is the six roots of sensation spoke that evenly is provided with, and forms louvre between the spoke.
In the utility model, said motor housing and left end cap are spirally connected through screw, and said gear ring shell and right end cap are spirally connected through screw, and said sun gear is spirally connected through screw and rotor.
In the utility model, said clutch is a freewheel clutch.
In the utility model, the center line of said motor housing and the central axis of motor shaft coincide, and spoke and motor shaft parallel, and left end cap and right end cap are all perpendicular to the motor shaft setting.
Compared with prior art, the utlity model has following remarkable result:
(1) the utility model has been broken away from gear ring to be installed in the limitation in the motor housing, helps regulating motor speed reducing ratio and motor speed and torque.
(2) the utility model motor housing that is through with can not be installed airtyred history, helps the development and utilization of steamboat footpath car, helps the damping and the braking of motor and electric bicycle electric two-wheel vehicle.
(3) the utility model is provided with louvre between motor housing and wheel rim and spoke, guarantees that motor normally dispels the heat to prolong its useful life.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further explain.
Fig. 1 is the overall structure cutaway view of the utility model hub-type reducing motor;
Fig. 2 is the cutaway view of local parts among Fig. 1;
Fig. 3 is that the utility model hub-type reducing motor is used in the user mode figure in the electric two-wheel vehicle of steamboat footpath.
Description of reference numerals
1, motor housing; 2, gear ring; 3, charging connector seat; 4, planetary gear; 5, sun gear; 6, clutch; 7, motor shaft; 8, right end cap; 9, left end cap; 10, rotor; 11, stator; 12, lead; 13, gear ring shell; 14, stator frame; 15, spoke; 16, wheel rim; 17, louvre; 18, wheel rim
Embodiment
Like the hub-type reducing motor of Fig. 1 to a kind of steamboat footpath electric two-wheel vehicle shown in Figure 3, this reducing motor comprises motor shaft 7, stator 11, rotor 10, motor housing 1, gear ring shell 13, left end cap 9 and right end cap 8, motor shaft 7 horizontally sets; Left end cap 9 vertically is sleeved on the motor shaft 7 through bearing with right end cap 8, and motor housing 1 is the annular shell with gear ring shell 13, and the shell surface of motor housing 1 is fixedly connected with the spoke 15 of horizontally set; Be installed with wheel rim 16 on the spoke 15, wheel rim 16 has wheel rim 18 and charging connector seat 3, and the tire sleeve of electric two-wheel vehicle is tied up on wheel rim 16 during use; Concrete cover is tied up between the wheel rim 18 of wheel rim 16 both sides protrusion, and spoke 15 is the six roots of sensation spoke 15 that evenly is provided with, and forms louvre 17 between the spoke 15; Motor housing 1 is one-body molded with gear ring shell 13, and the internal diameter of gear ring shell 13 is greater than the external diameter of motor housing 1, and motor housing 1 is fixedly connected with left end cap 9; Gear ring shell 13 is fixedly connected with right end cap 8, and motor housing 1, gear ring shell 13 are connected the accommodation space that the back forms a sealing with end cap, and stator 11 all is arranged in the accommodation space with rotor 10; Stator frame 14, gear ring 2, planetary gear 4, sun gear 5 and clutch 6 also are installed in this accommodation space; Planetary gear 4 be looped around sun gear 5 around, clutch 6 is a freewheel clutch, stator frame 14 is fixedly mounted on the motor shaft 7; Stator 11 is fixedly mounted on the stator frame 14; The lead 12 of stator 11 is drawn after passing 7 one of motor shafts hollow, and the two ends of rotor 10 are connected with stator frame 14 with motor shaft 7 through bearing respectively, and gear ring 2, planetary gear 4, sun gear 5 and clutch 6 all are positioned at the same side of accommodation space; Sun gear 5 is sleeved on the motor shaft 7 and with rotor 10 and is fixedly connected; Specifically be connected to sun gear 5 and be spirally connected through screw and rotor 10, on motor shaft 7, planetary gear 4 is connected with clutch 6 through bearing and is meshed with sun gear 5 clutch 6 through Bearing Installation; Gear ring 2, planetary gear 4 and sun gear 5 constitute the planetary gear reducing mechanism of reducing motor; The inner toothed surface of gear ring 2 is meshed with planetary gear 4, and the outer ring face is pressed and is embedded in the gear ring shell 13, and the internal diameter of gear ring 2 is greater than the external diameter of motor housing 1.
In the present embodiment, the central axis of the center line of motor housing 1 and motor shaft 7 coincides, and spoke 15 parallels with motor shaft 7, and left end cap 9 all is provided with perpendicular to motor shaft 7 with right end cap 8, guarantees that motor has higher accuracy of alignment.Stator conductor is drawn from the hollow end of motor shaft 7, and the tubeless tire is installed on the wheel rim 16, and the charging connector seat is spirally connected the charging connector seat to Tyre inflating, can strengthen or dwindle gear ring 2 and gear ring shell 13 according to the needs of motor speed and torque.Motor housing 1 and left end cap 9 are spirally connected through screw, also can adopt other fixed connection mode, and gear ring shell 13 and right end cap 8 are spirally connected through screw, also can adopt other fixed connection mode.
The internal diameter of gear ring 2 is greater than the external diameter of motor housing 1 in the present embodiment; Help regulating motor speed reducing ratio and motor speed and torque; Charging connector seat 3 is arranged on the centre of wheel rim 1, has realized that steamboat footpath electric two-wheel vehicle hub reduction motor can install tire and can inflate, and helps the damping and the braking of electric two-wheel vehicle; Between motor housing 1 and wheel rim 16 and spoke 15, louvre 17 is set, has solved the heat dissipation problem in the running behind the tire of steamboat footpath is installed on the motor.
Hub-type reducing motor in the present embodiment also can be applicable on the electric bicycle of steamboat footpath, and mounting means is with to be installed in steamboat shown in Figure 3 directly identical on the electric two-wheel vehicle.
This hub-type reducing motor is integrated in one with the motor component and the wheelboss part of steamboat footpath electric two-wheel vehicle, after the installation tire sleeve is tied up on wheel rim, and this reducing motor both used as motor, and the wheel hub as steamboat footpath electric two-wheel vehicle uses again.
The execution mode of the utility model is not limited thereto; Under the above-mentioned basic fundamental thought of the utility model prerequisite;, all drop within the utility model rights protection scope modification, replacement or the change of the utility model other various ways that content is made according to the ordinary skill knowledge of this area and customary means.
Claims (6)
1. the hub-type reducing motor of steamboat footpath electric two-wheel vehicle, this reducing motor comprises motor shaft, stator, rotor, motor housing, gear ring shell, left end cap and right end cap, motor shaft horizontally set; Left end cap and right end cap vertically are sleeved on the said motor shaft through bearing, and motor housing and gear ring shell are the annular shell, and the shell surface of motor housing is fixedly connected with the spoke of horizontally set; Be installed with wheel rim on the spoke, wheel rim has wheel rim and charging connector seat, it is characterized in that: said motor housing and gear ring shell are one-body molded; The internal diameter of gear ring shell is greater than the external diameter of motor housing; Motor housing is fixedly connected with left end cap, and the gear ring shell is fixedly connected with right end cap, and motor housing, gear ring shell are connected the accommodation space that the back forms a sealing with end cap; Said stator and rotor all are arranged in the said accommodation space; Stator frame, gear ring, planetary gear, sun gear and clutch also are installed in this accommodation space, and stator frame is fixedly mounted on the motor shaft, and stator is fixedly mounted on the stator frame; The two ends of rotor are connected with stator frame with motor shaft through bearing respectively; Said gear ring, planetary gear, sun gear and clutch all are positioned at the same side of said accommodation space, and said sun gear is sleeved on the motor shaft and with rotor and is fixedly connected, and clutch passes through Bearing Installation on motor shaft; Said planetary gear is connected with clutch through bearing and is meshed with sun gear; The inner toothed surface of said gear ring is meshed with planetary gear, and the outer ring face is pressed and is embedded in the said gear ring shell, and the internal diameter of said gear ring is greater than the external diameter of motor housing.
2. the hub-type reducing motor of steamboat according to claim 1 footpath electric two-wheel vehicle, it is characterized in that: the six roots of sensation spoke of said spoke for evenly being provided with forms louvre between the spoke.
3. the hub-type reducing motor of steamboat according to claim 1 footpath electric two-wheel vehicle, it is characterized in that: said motor housing and left end cap are spirally connected through screw, and said gear ring shell and right end cap are spirally connected through screw.
4. the hub-type reducing motor of steamboat according to claim 1 footpath electric two-wheel vehicle, it is characterized in that: said sun gear is spirally connected through screw and rotor.
5. the hub-type reducing motor of steamboat according to claim 1 footpath electric two-wheel vehicle, it is characterized in that: said clutch is a freewheel clutch.
6. according to the hub-type reducing motor of each described steamboat footpath electric two-wheel vehicle of claim 1 to 5; It is characterized in that: the center line of said motor housing and the central axis of motor shaft coincide; Spoke and motor shaft parallel, and left end cap and right end cap are all perpendicular to the motor shaft setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200730157U CN202455213U (en) | 2012-02-29 | 2012-02-29 | Hub-type reducing motor of electric bicycle with small wheel diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200730157U CN202455213U (en) | 2012-02-29 | 2012-02-29 | Hub-type reducing motor of electric bicycle with small wheel diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202455213U true CN202455213U (en) | 2012-09-26 |
Family
ID=46871040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200730157U Expired - Fee Related CN202455213U (en) | 2012-02-29 | 2012-02-29 | Hub-type reducing motor of electric bicycle with small wheel diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202455213U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790499A (en) * | 2016-03-08 | 2016-07-20 | 清华大学 | Small-diameter and large-torque integrated hub motor |
| WO2021180565A1 (en) * | 2020-03-13 | 2021-09-16 | Liebherr-Components Biberach Gmbh | Drive unit and construction machine and/or material handling machine having such a drive unit |
-
2012
- 2012-02-29 CN CN2012200730157U patent/CN202455213U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790499A (en) * | 2016-03-08 | 2016-07-20 | 清华大学 | Small-diameter and large-torque integrated hub motor |
| WO2021180565A1 (en) * | 2020-03-13 | 2021-09-16 | Liebherr-Components Biberach Gmbh | Drive unit and construction machine and/or material handling machine having such a drive unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20130229 |