CN201923273U - Inner speed-changing hub of electric bicycle - Google Patents
Inner speed-changing hub of electric bicycle Download PDFInfo
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- CN201923273U CN201923273U CN2010206407432U CN201020640743U CN201923273U CN 201923273 U CN201923273 U CN 201923273U CN 2010206407432 U CN2010206407432 U CN 2010206407432U CN 201020640743 U CN201020640743 U CN 201020640743U CN 201923273 U CN201923273 U CN 201923273U
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- speed
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- ratchet
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Abstract
The utility model relates to an inner speed-changing hub of an electric bicycle. The inner speed-changing hub mainly comprises a hub shaft, a hub shell, a power source and a driving mechanism, wherein the hub shell is rotationally arranged on the hub shaft; the power source is rotationally arranged on the hub shaft; and the driving mechanism is rotationally arranged on the hub shaft; and the driving mechanism is also connected with the power source, so that the driving mechanism can be driven by the power source to unidirectionally drive the hub shell to rotate. For achieving the effect of speed change, the hub shaft is additionally provided with a speed-changing control member and a speed-changing mechanism, and the speed-changing mechanism can be driven by the speed-changing control member to unidirectionally drive the hub shell to rotate in different rotation speeds.
Description
Technical field
The utility model is relevant with Electrical Bicycle, particularly relevant for a kind of internal speed-changing wheel hub of Electrical Bicycle.
Background technology
For can be laborsaving, can save time in the descending highway section, no matter be that manpower or Electrical Bicycle all can be installed the effect that a change-speed box reaches speed change at uphill way.Present change-speed box is mainly divided into outer speed change and two kinds of aspects of internal speed-changing, in simple terms, the change-speed box of outer speed change mainly is mounted on the vehicle frame of bicycle or other external position and being exposed outside, though have the bigger characteristic of speed range, but need time-based maintenance and can occupy bigger space, the change-speed box of internal speed-changing then is that all members are installed in the rear-wheel hub, can save space and maintenance often when not required.Therefore, the creator of this case is primarily aimed at the change-speed box of internal speed-changing aspect and researches and develops and improve, so that a kind of internal speed-changing wheel hub with good transmission effect and multistage speed change to be provided.
The utility model content
Main purpose of the present utility model is to provide a kind of internal speed-changing wheel hub of Electrical Bicycle, and it has the effect of good power transmission and multistage speed change.
For reaching above-mentioned purpose, internal speed-changing wheel hub of the present utility model includes a hub spindle, a hub shell, a propulsion source, a driver train, a speed-changing mechanism, and a variable speed control part.This hub shell, this propulsion source and this driver train all rotatably are located at this hub spindle, and driver train wherein also is connected with this propulsion source; This speed-changing mechanism rotatably is located at this hub spindle, and is located between this driver train and this hub shell; This variable speed control part is located at this hub spindle, and is connected with this speed-changing mechanism separably.
The beneficial effects of the utility model: by above-mentioned design, this driver train can be subjected to the driving of this propulsion source and this hub shell of unidirectional drive is rotated, and this speed-changing mechanism can be subjected to the control of this variable speed control part and rotate with this hub shell of different rotating speeds unidirectional drive, to reach the effect of speed change.
Description of drawings
Fig. 1 is the cutaway view of the utility model one preferred embodiment.
Fig. 2 is the power transfer path scheme drawing of the utility model one preferred embodiment.
The main element nomenclature
Internal speed-changing wheel hub 10 hub spindles 20
Hub shell 30 propulsions source 40
Stator 42 rotors 44
Driver train 50 actuators 51
Transmission 52 isolator 53a, 53b
Train of reduction gears 54 carriages 55
Main gear 56 first Internal gears 57
Reducing gear 58 isolators 59
Speed-changing mechanism 60 carriages 61
Planetary wheel 62 first tooth portions 622
The second tooth portion, 624 first sun gears 63
Secondary sun wheel 64 second Internal gears 65
Isolator 66 variable speed control parts 70
First ratchet, 71 second ratchets 72
The specific embodiment
Now cooperate the graphic following preferred embodiment of enumerating, in order to structure of the present utility model and effect are elaborated.
See also Fig. 1 and Fig. 2, the internal speed-changing wheel hub 10 for the Electrical Bicycle of the utility model one preferred embodiment includes a hub spindle 20, a hub shell 30, a propulsion source 40, a driver train 50, a speed-changing mechanism 60, and a variable speed control part 70.
Hub spindle 20 passes hub shell 30, and is individually fixed in the vehicle frame (not shown) of Electrical Bicycle with its two ends, makes that hub shell 30 can be relative hub spindle 20 rotations in center with hub spindle 20.
Propulsion source 40 has a stator 42 and a rotor 44, and stator 42 is fixed in hub spindle 20, and rotor 44 is sheathed on hub spindle 20 and is connected with stator 42, can be subjected to the driving of stator 42 and is 20 rotations of the relative hub spindle in center with hub spindle 20.
Driver train 50 has an actuator 51, a Transmission 52, two isolator 53a, 53b, and a train of reduction gears 54.Actuator 51 rotatably is sheathed on hub spindle 20, uses for a fluted disc (not shown) setting; Transmission 52 is sheathed on hub spindle 20 and is coating propulsion source 40; Each isolator 53a, 53b are single direction ratchet, and wherein one group of isolator 53a is located between actuator 51 and the Transmission 52, and other one group of isolator 53b is located between the internal face of the outside wall surface of Transmission 52 and hub shell 30; Train of reduction gears 54 has a carriage 55, a main gear 56, one first Internal gear 57, three reducing gear 58, an and isolator 59, carriage 55 is fixed in hub spindle 20, rotate first Internal gear 57 but main gear 56 is fixed in rotor 44 with the rotor 44 of propulsion source 40 and be located at the internal face of Transmission 52 and transmission Transmission 52 with its outer ring surface, each reducing gear 58 rotatably is located at carriage 55, and be engaged between the inner ring surface of the main gear 56 and first Internal gear 57, isolator 59 is a single direction ratchet, is located between the internal face of the outside wall surface of carriage 55 and Transmission 52.
Speed-changing mechanism 60 has a carriage 61, three planet gears 62, one first sun gear 63, a secondary sun wheel 64, one second Internal gear 65, and an isolator 66.Carriage 61 rotatably is sheathed on hub spindle 20, and is fixed in the Transmission 52 of driver train 50 and can be subjected to Transmission 52 driven in rotation; Each planetary wheel 62 rotatably is located at carriage 61, and each planetary wheel 62 has the radius of the radius of one first coaxial tooth portion 622 and 624, the first tooth portions 622 of one second tooth portion less than the second tooth portion 624; First sun gear 63 rotatably is sheathed on hub spindle 20, and meshes with the first tooth portion 622 of each planetary wheel 62; Secondary sun wheel 64 rotatably is sheathed on hub spindle 20, and with the second tooth portion 624 engagement of each planetary wheel 62, the radius of secondary sun wheel 64 is less than the radius of first sun gear 63, makes the radius summation of the radius of the first tooth portion 622 of each planetary wheel 62 and first sun gear 63 equal the radius of the second tooth portion 624 of each planetary wheel 62 and the radius summation of secondary sun wheel 64; Second Internal gear 65 meshes the second tooth portion 624 of each planetary wheel 62 with its inner ring surface; Isolator 66 is a single direction ratchet, is located between the internal face of the outer ring surface of second Internal gear 65 and hub shell 30.
Variable speed control part 70 has one first ratchet 71 and one second ratchet 72.First ratchet 71 and second ratchet 72 are hubbed at hub spindle 20 respectively, and do engagement separably with first sun gear 63 and secondary sun wheel 64 respectively, in order to the power transfer path that can select speed-changing mechanism 60 to change its converter speed ratio.
More than be the detailed structure of internal speed-changing wheel hub 10 of the present utility model, below cooperate second figure to describe again with regard to operating process of the present utility model and characteristic.
When the rotor 44 of propulsion source 40 is subjected to the driving of stator 42 and rotates, just can drive main gear 56 rotations of train of reduction gears 54, main gear 56 will driven in synchronism train of reduction gears 54 each reducing gear 58 rotation, then each reducing gear 58 can see through with the engagement of first Internal gear 57 again and drive Transmission 52 rotations again, makes that Transmission 52 can be with 30 rotations of isolator 53b drive hub shell.In the case, if variable speed control part 70 is positioned at low gear just, can not be meshing with each other between first ratchet 71 and first sun gear 63, also can not be meshing with each other between second ratchet 72 and the secondary sun wheel 64, make that the carriage 61 of speed-changing mechanism 60 can be along with Transmission 52 rotates synchronously, each planetary wheel 62 just can drive first sun gear 63 along with the rotation of carriage 61 and produce idle running with secondary sun wheel 64, so the rotating speed of drive member 20 is greater than the rotating speed of second Internal gear 65 of speed-changing mechanism 60, speed-changing mechanism 60 can't produce speed changing effect at this moment, and power will be passed to hub shell 30 through isolator 53b by Transmission 52, and the isolator 66 no effects of speed-changing mechanism 60.On the other hand, if the rotating speed of Transmission 52 is during greater than the rotating speed of actuator 51, isolator 53 can be forced to remove the transmission effect.
If when variable speed control part 70 is positioned at mid ranger, be not meshing with each other yet between first ratchet 71 and first sun gear 63, then be meshing with each other between second ratchet 72 and the secondary sun wheel 64, at this moment, except the Transmission 52 of driver train 50 continue can 30 rotations of unidirectional drive hub shell, the secondary sun wheel 64 of speed-changing mechanism 60 can be fixed by second ratchet 72, and by and the second tooth portion 624 of each planetary wheel 62 between engagement force each planetary wheel 62 counter-rotating, each planetary wheel 62 just can be again through drive 65 rotations of second Internal gear again with the engagement of second Internal gear 65, so the rotating speed of second Internal gear 65 of speed-changing mechanism 60 is greater than the rotating speed of drive member 20, speed-changing mechanism 60 can produce speed changing effect at this moment, power will be passed to wheel hub 30 through isolator 66 by second Internal gear 65, and the isolator 53b of 30 of drive member 20 and wheel hubs does not have effect, makes speed-changing mechanism 60 can produce the variable speed drive (VSD) hub shell 30 of middling speed condition.
If when variable speed control part 70 is positioned at high speed gear, can be meshing with each other between first ratchet 71 and first sun gear 63, can be separated from each other between second ratchet 72 and the secondary sun wheel 64, at this moment, first sun gear 63 of speed-changing mechanism 60 can be fixed by first ratchet 71, and by and the first tooth portion 622 of each planetary wheel 62 between engagement force each planetary wheel 62 counter-rotating, each planetary wheel 62 just can be again through drive 65 rotations of second Internal gear again with the engagement of second Internal gear 65, so the rotating speed of second Internal gear 65 of speed-changing mechanism 60 is greater than the rotating speed of drive member 20, speed-changing mechanism 60 can produce speed changing effect at this moment, power will be passed to wheel hub 30 through isolator 66 by second Internal gear 65, and the isolator 53b of 30 of drive member 20 and wheel hubs does not have effect, makes speed-changing mechanism 60 can produce the variable speed drive (VSD) hub shell 30 of middling speed condition.Wherein the converter speed ratio of speed-changing mechanism 60 calculates converter speed ratio by mathematical formulae, and the result shows that the converter speed ratio that is passed to hub shell 30 via fixing secondary sun wheel 64 is less than via fixing the converter speed ratio that first sun gear 63 is passed to wheel hub hub 30.
Comprehensive as can be known above-mentioned, design of the present utility model can provide hub shell good power transmission effect really, and can reach the function of multistage speed change by speed-changing mechanism and cooperating of variable speed control part.
The utility model is taken off disclosed composed component among the embodiment in preceding, is casehistory only, is not the scope that is used for limiting this case, the alternative or variation of other equivalence element, and the claim that also should be this case contains.
Claims (14)
1. the internal speed-changing wheel hub of an Electrical Bicycle is characterized in that, includes:
One hub spindle;
One hub shell is for being located at this hub spindle rotatably;
One propulsion source is for being located at this hub spindle rotatably;
One driver train, for being located at this hub spindle rotatably, and be connected with this propulsion source, and be subjected to the driving of this propulsion source and this hub shell of unidirectional drive is rotated, be provided with a train of reduction gears between this driver train and this propulsion source, first Internal gear, that this train of reduction gears includes main gear that a carriage, that is fixed in this hub spindle is subjected to this drive power source, this driver train of transmission rotatably be located at this carriage and be engaged in this main gear and this first Internal gear between reducing gear;
One speed-changing mechanism for being located at this hub spindle rotatably, and is located between this driver train and this hub shell; And
One variable speed control part connects this speed-changing mechanism, and this variable speed control part selects this speed-changing mechanism power transfer path to change its converter speed ratio.
2. the internal speed-changing wheel hub of Electrical Bicycle as claimed in claim 1, it is characterized in that, but this speed-changing mechanism has a carriage, is located at the planetary wheel of this carriage, at least one sun gear of this hub spindle and second Internal gear of this hub spindle of unidirectional drive fixed rotatably, this carriage is incorporated into this driver train, and this planetary wheel is engaged between this sun gear and second Internal gear.
3. the internal speed-changing wheel hub of Electrical Bicycle as claimed in claim 2, it is characterized in that, this driver train also includes an actuator, a Transmission, and two isolator, this Transmission is affixed for the carriage of this speed-changing mechanism, wherein this isolator is located between this actuator and this Transmission, and other one this isolator is located at the outer ring surface of this Transmission and is meshed with this hub shell.
4. the internal speed-changing wheel hub of Electrical Bicycle as claimed in claim 2, it is characterized in that, this speed-changing mechanism has one first sun gear, a secondary sun wheel and an isolator, the radius of this first sun gear is greater than the radius of this secondary sun wheel, and this isolator is located at the outer ring surface of this Internal gear and is meshed with this hub shell; This variable speed control part is optionally fixed this first sun gear or this secondary sun wheel.
5. the internal speed-changing wheel hub of Electrical Bicycle as claimed in claim 4, it is characterized in that, this variable speed control part has one first ratchet and one second ratchet, this first ratchet and this second ratchet all are hubbed at this hub spindle, when this variable speed control part is positioned at high speed gear, this first sun gear of this first ratchet engagement, this second ratchet does not mesh this secondary sun wheel, when this variable speed control part is positioned at mid ranger, this first ratchet does not mesh this first sun gear, and this this secondary sun wheel of second ratchet engagement is when this variable speed control part is positioned at low gear, this first ratchet does not mesh this first sun gear, and this second ratchet does not mesh this secondary sun wheel.
6. the internal speed-changing wheel hub of Electrical Bicycle as claimed in claim 4, it is characterized in that, the planetary wheel of this speed-changing mechanism has one first coaxial tooth portion and one second tooth portion, this first sun gear meshes in this first tooth portion, this second tooth portion is engaged between this secondary sun wheel and this Internal gear, the radius of this first tooth portion is less than the radius of this second tooth portion, and the radius of this first tooth portion and the radius summation of this first sun gear equal the radius summation of radius and this secondary sun wheel of this second tooth portion.
7. the internal speed-changing wheel hub of Electrical Bicycle as claimed in claim 1, it is characterized in that, this propulsion source has a stator and a rotor, this stator is fixed in this hub spindle, this rotor is sheathed on this hub spindle and is connected with this stator, and this this main gear of rotor captive joint is to drive this train of reduction gears.
8. the internal speed-changing wheel hub of an Electrical Bicycle is characterized in that, includes:
One hub spindle;
One hub shell is for being located at this hub spindle rotatably;
One propulsion source is for being located at this hub spindle rotatably;
One driver train for being located at this hub spindle rotatably, and is connected with this propulsion source, can be subjected to the driving of this propulsion source and this hub shell of unidirectional drive is rotated;
One speed-changing mechanism, for being located at this hub spindle rotatably, and be located between this driver train and this hub shell, this speed-changing mechanism comprises that a carriage, is located at the planetary wheel of this carriage, at least one sun gear that can fix this hub spindle and one rotatably can this hub spindle second Internal gear of unidirectional drive, this carriage is incorporated into this driver train, and this planetary wheel is engaged between this sun gear and second Internal gear; And
One variable speed control part connects this speed-changing mechanism, and this variable speed control part selects this speed-changing mechanism power transfer path to change its converter speed ratio.
9. the internal speed-changing wheel hub of Electrical Bicycle as claimed in claim 8, it is characterized in that, this driver train also includes an actuator, a Transmission, and two isolator, this Transmission is affixed for the carriage of this speed-changing mechanism, wherein this isolator is located between this actuator and this Transmission, and other one this isolator is located at the outer ring surface of this Transmission and is meshed with this hub shell.
10. the internal speed-changing wheel hub of Electrical Bicycle as claimed in claim 8, it is characterized in that, this speed-changing mechanism has one first sun gear, a secondary sun wheel and an isolator, the radius of this first sun gear is greater than the radius of this secondary sun wheel, and this isolator is located at the outer ring surface of this Internal gear and is meshed with this hub shell; This variable speed control part is optionally fixed this first sun gear or this secondary sun wheel.
11. the internal speed-changing wheel hub of Electrical Bicycle as claimed in claim 10, it is characterized in that, this variable speed control part has one first ratchet and one second ratchet, this first ratchet and this second ratchet all are hubbed at this hub spindle, when this variable speed control part is positioned at high speed gear, this first sun gear of this first ratchet engagement, this second ratchet does not mesh this secondary sun wheel, when this variable speed control part is positioned at mid ranger, this first ratchet does not mesh this first sun gear, and this this secondary sun wheel of second ratchet engagement is when this variable speed control part is positioned at low gear, this first ratchet does not mesh this first sun gear, and this second ratchet does not mesh this secondary sun wheel.
12. the internal speed-changing wheel hub of Electrical Bicycle as claimed in claim 10, it is characterized in that, the planetary wheel of this speed-changing mechanism has one first coaxial tooth portion and one second tooth portion, this first sun gear meshes in this first tooth portion, this second tooth portion is engaged between this secondary sun wheel and this Internal gear, the radius of this first tooth portion is less than the radius of this second tooth portion, and the radius of this first tooth portion and the radius summation of this first sun gear equal the radius summation of radius and this secondary sun wheel of this second tooth portion.
13. the internal speed-changing wheel hub as claim 9 or 10 described Electrical Bicycles is characterized in that, this isolator is a single direction ratchet.
14. the internal speed-changing wheel hub of Electrical Bicycle as claimed in claim 8, it is characterized in that, this propulsion source has a stator and a rotor, this stator is fixed in this hub spindle, this rotor is sheathed on this hub spindle and is connected with this stator, and this rotor drives this driver train through a train of reduction gears of being located between this driver train and this propulsion source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206407432U CN201923273U (en) | 2010-12-03 | 2010-12-03 | Inner speed-changing hub of electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206407432U CN201923273U (en) | 2010-12-03 | 2010-12-03 | Inner speed-changing hub of electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201923273U true CN201923273U (en) | 2011-08-10 |
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ID=44427139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206407432U Expired - Fee Related CN201923273U (en) | 2010-12-03 | 2010-12-03 | Inner speed-changing hub of electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201923273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107150759A (en) * | 2016-03-02 | 2017-09-12 | 英飞凌科技股份有限公司 | For electric bicycle axle integrated angle sensor device and include the electric bicycle of this equipment |
-
2010
- 2010-12-03 CN CN2010206407432U patent/CN201923273U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107150759A (en) * | 2016-03-02 | 2017-09-12 | 英飞凌科技股份有限公司 | For electric bicycle axle integrated angle sensor device and include the electric bicycle of this equipment |
| US10551216B2 (en) | 2016-03-02 | 2020-02-04 | Infineon Technologies Ag | Shaft-integrated angle sensing device for e-bike and e-bike comprising such device |
| CN107150759B (en) * | 2016-03-02 | 2020-02-21 | 英飞凌科技股份有限公司 | Shaft integrated angle sensing apparatus for electric bicycle and electric bicycle including the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20161203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |