CN207141300U - Electric bicycle motor - Google Patents
Electric bicycle motor Download PDFInfo
- Publication number
- CN207141300U CN207141300U CN201720964888.XU CN201720964888U CN207141300U CN 207141300 U CN207141300 U CN 207141300U CN 201720964888 U CN201720964888 U CN 201720964888U CN 207141300 U CN207141300 U CN 207141300U
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- CN
- China
- Prior art keywords
- motor housing
- gear
- axis
- electric bicycle
- chain wheel
- Prior art date
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Abstract
This application discloses a kind of electric bicycle motor, including：Axis sleeve pipe, the axis that rotating dress is assigned in axis sleeve pipe, the chain wheel for being enclosed on axis and being connected with axis, the motor housing fixed with axis sleeve pipe, the rotor being connected by transmission component and chain wheel, the stator mutually fixed with motor housing；Transmission component includes：The central gear mutually fixed with rotor, rotating dress is assigned in motor housing and the output gear coaxially arranged with central gear, the coaxially connected internal gear with output gear, the planet carrier being fixed in motor housing, it is rotatably mounted on planet carrier and with central gear and internal gear while engaging the planetary gear being connected, the coaxially connected fluted disc that connection is engaged on chain wheel and with output gear.This built-in motor of the application is compact-sized, power transmission loss is small, output torque is big.
Description
Technical field
The application is related to a kind of electric bicycle field, and in particular to a kind of electric bicycle motor.
Background technology
The built-in motor of existing electric bicycle deposits that transmission component between rotor and chain wheel is complicated, and power transmission loss is big more,
The shortcomings that output torque is small.
The application comes therefrom.
The content of the invention
The purpose of the application is：In order to overcome above mentioned problem, propose that one kind is compact-sized, power transmission loss is small, output torque is big
Built-in motor.
The technical scheme of the application is：
A kind of electric bicycle motor, including：
Axis sleeve pipe,
The axis that rotating dress is assigned in the axis sleeve pipe,
The chain wheel for being enclosed on the axis and being connected with the axis,
The motor housing fixed with the axis sleeve pipe,
The rotor for being contained in the motor housing and being connected by transmission component and the chain wheel, and
It is contained in the stator fixed with the motor housing in the motor housing and mutually；
The transmission component includes：
The central gear mutually fixed with the rotor,
Rotating dress is assigned in the motor housing and the output gear coaxially arranged with the central gear,
The coaxially connected internal gear with the output gear,
The planet carrier being fixed in the motor housing,
It is rotatably mounted on the planet carrier and with the central gear and internal gear while engaging the planet tooth being connected
Wheel, and
The coaxially connected fluted disc that connection is engaged on the chain wheel and with the output gear.
The rotor includes rotor body and the armature spindle fixed with the rotor body, the armature spindle pass through first
Spring bearing rotating dress forms described assigned in a circle axle tooth, the axle tooth in the motor housing, is formed on the armature spindle
Central gear.
First spring bearing is provided with three altogether, and the spring bearing of two of which first is supported directly on the armature spindle
Between the motor housing, another first spring bearing is supported directly between the armature spindle and the planet carrier.
The internal gear is connected with the output gear by the first one-way clutch.
The second spring bearing is provided between the output gear and the motor housing.
The output gear is set in outside the planet carrier, and the 3rd spring bearing is provided therebetween, and described second
Spring bearing, the 3rd spring bearing and output gear are clamped axially between the planet carrier and the motor housing.
The second one-way clutch is connected between the chain wheel and the axis.
Described axis sleeve pipe is the Five-way tube on electric bicycle fame.
The motor housing is locked in the middle shell block left and right ends respectively by middle shell block and by screw
Left end cap and right end cap are formed.
A kind of electric bicycle, including vehicle frame, include the electric bicycle motor of said structure, outside the motor
Shell is mutually fixed with the vehicle frame.
The advantages of the application is：The gear that this electric bicycle motor of the application employs a kind of brand new passes
Dynamic component connects rotor and chain wheel, and compared to traditional gear-driven assembly, the few primary transmission of the application, loss is small, output
Torque is big, and structure is compacter.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the embodiment of the present application, required use in being described below to embodiment
Accompanying drawing be briefly described, drawings in the following description are only some embodiments of the present application, for the common skill in this area
For art personnel, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the cross-sectional view of electric bicycle motor in the embodiment of the present application；
Wherein：1- axis sleeve pipes, 2- axis, 3- chain wheels, 4- motor housings, 401- centres shell block, 402- left end caps, 403-
Right end cap, 5- rotors, 6- stators, 7- central gears, 8- planet carriers, 9- planetary gears, 10- output gears, 11- internal gears, 12-
Fluted disc, the spring bearings of 13- first, the one-way clutch of 14- first, the spring bearings of 15- second, the spring bearings of 16- the 3rd, 17-
Two one-way clutch.
Embodiment
Such scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are to be used to illustrate
The application and be not limited to limit scope of the present application.The application can be realized with many different forms, however it is not limited to this reality
Apply the embodiment described by example.The purpose for providing detailed description below is easy for becoming apparent from present disclosure
The words of the indicating positions such as thorough understanding, wherein upper and lower, left and right be only shown in structure in respective figure for position.
In addition, technical characteristic described herein, technical scheme can also be closed arbitrarily in one or more embodiments
Suitable mode combines.For those skilled in the art, should be readily appreciated that with provided herein is embodiment relevant method
Step or operation order can also change.Therefore, any order in drawings and examples is merely illustrative purposes, not secretly
Show requirement in a certain order, require unless expressly stated according to a certain order.
It is herein part institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any order or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).
Fig. 1 shows a specific embodiment of this electric bicycle motor of the application, with traditional built-in motor
Identical is that it also includes：Axis sleeve pipe 1, the axis 2 being assigned in by multiple spring bearing rotating dress in axis sleeve pipe, is enclosed on
The chain wheel 3 being connected on axis 2 and with axis 2, the motor housing 4 fixed with axis sleeve pipe 1, it is contained in motor housing 4 and turns
Son 5 and stator 6.Wherein rotor 5 is connected by transmission component and chain wheel 3, and stator 6 is fixed with the phase of motor housing 4.In described
Pipe spreader 1 is usually the Five-way tube carried on electric bicycle fame, it is of course also possible to be separately provided axis collar tube sub-assembly, is made
The axis sleeve pipe that this is separately provided is fixed on cycle frame by the used time.
During practical application, the built-in motor is arranged on electric bicycle, and motor housing 4 is consolidated with cycle frame
It is fixed.Crank is installed at the both ends of axis 2, installation is foot-operated on crank, and the chain being connected with hind axle flywheel is connected on chain wheel 3.
Under electric model, electrical power operation, rotor 5 rotates, and then is rotated by transmission component band movable chain wheel 3, then leads to
The chain-driving bicycle rear crossed on chain wheel 3 rotates, and bicycle is moved ahead.
Under ride mode, bicyclist tramples the crank being connected with axis 2, drives axis 2 to rotate, axis 2 drives phase therewith
Chain wheel 3 even is rotated, and chain wheel 3 is rotated by chain-driving bicycle rear, bicycle is moved ahead.
The key improvements of the present embodiment are the structure type of the transmission component, and specifically, the transmission component includes：With
The central gear 7 that the phase of rotor 5 is fixed, rotating dress is assigned in motor housing 4 and the output gear coaxially arranged with central gear 7
10, the internal gear 11 coaxially connected with output gear 10, the planet carrier 8 being fixed in motor housing 4, it is rotatably mounted on planet carrier
It is on 8 and engage the planetary gear 9 being connected simultaneously with central gear 7 and internal gear 11, it is coaxially connected on chain wheel 3 and with it is defeated
Go out the fluted disc 12 of the engagement connection of gear 10.
After electrical power operation, rotor 5 drives central gear 7 to rotate, and central gear 7 drives the internal gear 11 being engaged with
Rotate, internal gear 11 drives the output gear 10 being attached thereto, and output gear 10 drives the fluted disc 12 being engaged with to rotate again, tooth
The chain wheel 3 that disk 12 and then drive are attached thereto is rotated, and chain wheel 3 is rotated by chain-driving bicycle rear, bicycle is moved ahead.
In the present embodiment, the rotor 5 includes the rotor body and armature spindle (not marked in figure) to interfix, its transfer
Sub- axle is by three rotating dress of the first spring bearing 13 assigned in motor housing 4.And a circle axle tooth is formed on armature spindle, this
One circle axle tooth forms foregoing central gear 7.
In three above-mentioned the first spring bearings 13, two of which is supported directly between armature spindle and motor housing 4, separately
Outer one is supported directly between armature spindle and planet carrier 8.
Planet carrier 8 in the present embodiment is a shaft-like structure, and it is coaxially arranged with the armature spindle.
In order to prevent bicycle under ride mode, the rotary motion of chain wheel 3 can be transferred to rotor 5, cause the transfer of rotor 5
And the strength of one's legs load for the personnel that ride is increased, the present embodiment is provided with the first one-way clutch between internal gear 11 and output gear 10
Device 14, i.e. internal gear 11 and output gear 10 are not to be directly fixed together, but pass through the first one-way clutch
14 are connected.Under electric model, first one-way clutch 14 processing locking state, the rotation of internal gear 11 can pass through first
One-way clutch 14 passes to output gear 10.And under ride mode, first one-way clutch 14 processing separation skidding shape
State, the rotation of output gear 10 can not pass to internal gear 11 by the first one-way clutch 14, and rotor 5 will not transfer.
Equally, in order to prevent that axis 2 can follow chain wheel 3 to rotate to bicycle under ride mode, cause crank transfer, this
Embodiment is provided with the second one-way clutch 17 between chain wheel 3 and axis 2, i.e. chain wheel 3 and axis 2 is not direct fixed company
It is connected together, but be connected by the second one-way clutch 17.Under electric model, second one-way clutch 17 is in
Separate slipping state；Under ride mode, second one-way clutch 17 is in locking state.
More specifically, as shown in figure 1, above-mentioned chain wheel 3 is directly arranged is fixed on fluted disc 12, and above-mentioned second unidirectionally from
Clutch 17 is connected directly between axis 2 and fluted disc 12.So realize the second one-way clutch 17 to chain wheel 3 and axis 2
One-way locking acts on.
The second spring bearing 15 is provided between above-mentioned output gear 10 and motor housing 4, and output gear 10 is arranged
Outside planet carrier 8, and the 3rd spring bearing 16 is provided therebetween.Foregoing second spring bearing 15, the 3rd spring bearing 16
Positioned with output gear 10 by planet carrier 8 and the axial compression of motor housing 4.
In the present embodiment, the motor housing 4 is fixed on the middle case by middle shell block 401 and by screw lock
The left end cap 402 and the three parts of right end cap 403 of seat left and right ends are formed, to facilitate the dress of each parts in the motor housing 4
Match somebody with somebody.
Above-described embodiment is only the technical concepts and features for illustrating the application, and its object is to allow people to understand this Shen
Content please is simultaneously implemented according to this, and the protection domain of the application can not be limited with this.It is all according to the application main technical schemes
The equivalent transformation or modification that Spirit Essence is done, should all cover within the protection domain of the application.
Claims (10)
1. a kind of electric bicycle motor, including：
Axis sleeve pipe (1),
The axis (2) that rotating dress is assigned in the axis sleeve pipe,
The chain wheel (3) for being enclosed on the axis (2) and being connected with the axis (2),
The fixed motor housing (4) with the axis sleeve pipe (1),
The rotor (5) for being contained in the motor housing (4) and being connected by transmission component and the chain wheel (3), and
The stator (6) for being contained in the motor housing (4) and mutually being fixed with the motor housing (4)；
Characterized in that, the transmission component includes：
The central gear (7) mutually fixed with the rotor (5),
Rotating dress is assigned in the motor housing (4) and the output gear (10) coaxially arranged with the central gear (7),
The internal gear (11) coaxially connected with the output gear (10),
The planet carrier (8) being fixed in the motor housing (4),
It is rotatably mounted on the planet carrier (8) and with the central gear (7) and internal gear (11) while engaging what is be connected
Planetary gear (9), and
The coaxially connected fluted disc (12) that connection is engaged on the chain wheel (3) and with the output gear (10).
2. electric bicycle motor according to claim 1, it is characterised in that the rotor (5) includes rotor sheet
Body and the armature spindle fixed with the rotor body, the armature spindle is by the first spring bearing (13) rotating dress assigned in described
In motor housing (4), a circle axle tooth is formed on the armature spindle, the axle tooth forms the central gear (7).
3. electric bicycle motor according to claim 2, it is characterised in that first spring bearing (13) is altogether
Three are provided with, the spring bearing of two of which first (13) is supported directly between the armature spindle and the motor housing (4),
Another first spring bearing (13) is supported directly between the armature spindle and the planet carrier (8).
4. electric bicycle motor according to claim 1, it is characterised in that the internal gear (11) with it is described defeated
Go out gear (10) by the first one-way clutch (14) to be connected.
5. electric bicycle motor according to claim 1, it is characterised in that the output gear (10) with it is described
The second spring bearing (15) is provided between motor housing (4).
6. electric bicycle motor according to claim 5, it is characterised in that the output gear (10) is set in
The planet carrier (8) outside, and the 3rd spring bearing (16) is provided therebetween, second spring bearing (15), the 3rd
Support bearing (16) and output gear (10) are clamped axially between the planet carrier (8) and the motor housing (4).
7. electric bicycle motor according to claim 1, it is characterised in that the chain wheel (3) and the axis
(2) the second one-way clutch (17) is connected between.
8. electric bicycle motor according to claim 1, it is characterised in that described axis sleeve pipe (1) is electricity
Five-way tube on dynamic cycle frame.
9. electric bicycle motor according to claim 1, it is characterised in that the motor housing (4) is by centre
Shell block (401) and it is locked respectively by screw in the left end cap (402) and right end cap of the middle shell block left and right ends
(403) form.
10. a kind of electric bicycle, including vehicle frame, it is characterised in that also include the electricity as described in any in claim 1 to 9
Dynamic mounted in medium of bicycle motor, the motor housing (4) are mutually fixed with the vehicle frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720964888.XU CN207141300U (en) | 2017-08-03 | 2017-08-03 | Electric bicycle motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720964888.XU CN207141300U (en) | 2017-08-03 | 2017-08-03 | Electric bicycle motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207141300U true CN207141300U (en) | 2018-03-27 |
Family
ID=61674225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720964888.XU Expired - Fee Related CN207141300U (en) | 2017-08-03 | 2017-08-03 | Electric bicycle motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207141300U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167475A (en) * | 2018-11-05 | 2019-01-08 | 宁波南星汽车部件有限公司 | A kind of school bus car door electric machine assembly |
| CN111846102A (en) * | 2020-08-18 | 2020-10-30 | 雅迪科技集团有限公司 | Mid-motor and electric power-assisted bicycle |
| CN113715952A (en) * | 2021-08-23 | 2021-11-30 | 爱克玛电驱动系统(苏州)有限公司 | Resultant force output middle shaft motor of electric bicycle |
-
2017
- 2017-08-03 CN CN201720964888.XU patent/CN207141300U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167475A (en) * | 2018-11-05 | 2019-01-08 | 宁波南星汽车部件有限公司 | A kind of school bus car door electric machine assembly |
| CN109167475B (en) * | 2018-11-05 | 2024-02-02 | 宁波南星汽车部件有限公司 | Motor assembly for school bus door |
| CN111846102A (en) * | 2020-08-18 | 2020-10-30 | 雅迪科技集团有限公司 | Mid-motor and electric power-assisted bicycle |
| CN113715952A (en) * | 2021-08-23 | 2021-11-30 | 爱克玛电驱动系统(苏州)有限公司 | Resultant force output middle shaft motor of electric bicycle |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 |