CN202337319U - Electric bicycle with centrally arranged motor - Google Patents
Electric bicycle with centrally arranged motor Download PDFInfo
- Publication number
- CN202337319U CN202337319U CN2011204116761U CN201120411676U CN202337319U CN 202337319 U CN202337319 U CN 202337319U CN 2011204116761 U CN2011204116761 U CN 2011204116761U CN 201120411676 U CN201120411676 U CN 201120411676U CN 202337319 U CN202337319 U CN 202337319U
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- CN
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- Prior art keywords
- bicycle
- motor
- internally toothed
- transmission gear
- toothed annulus
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an electric bicycle with a centrally arranged motor. The bicycle comprises a bicycle body, a motor driving mechanism for driving the bicycle, a storage battery for providing electricity for the motor driving mechanism, and a chain wheel transmission mechanism, wherein the motor driving mechanism is arranged on a central shaft of the bicycle and in transmission connection with the chain wheel transmission mechanism; the storage battery is arranged below a saddle of the bicycle; the motor driving mechanism comprises a motor and a centrally arranged coaxial speed changer connected with the motor and can realize two-stage speed reduction; and the chain wheel transmission mechanism comprises a chain wheel, a needle double-end one-way bearing and a pedal transmission disc and can simply switch motor driving and manual driving. The electric bicycle with the centrally arranged motor has light weight; and the motor is centrally arranged, so that the gravity center is stable, and the bicycle is safe and convenient.
Description
Technical field
The utility model relates to bicycle, particularly a kind of middle Electrical Bicycle.
Background technology
The prior electric bicycle generally is that motor is installed in the middle of the trailing wheel, and direct drive trailing wheel, battery then adopt lead-acid storage battery, also are mounted in the rear portion of car.Heavy preceding light behind this Electrical Bicycle, carrying is very inconvenient, and the stability of going is also relatively poor; Add the employing lead-acid storage battery, bulky heaviness, service life of lead accumulator is limited, in case scrap, serious to the circle environment pollution, oneself lists in and forbids producing list.
The utility model content
The purpose of the utility model is to solve the problems referred to above that prior art exists, and provides a kind of motor is installed in the middle Electrical Bicycle on the bicycle middle shaft.
The purpose of the utility model is achieved in that a kind of middle Electrical Bicycle, comprises bicycle body, is used to drive the motor-driven mechanism of bicycle and to motor-driven mechanism the storage battery of electric power is provided, and also comprises chain wheel driving mechanism; Described motor-driven mechanism is installed on the axis of bicycle and with the chain wheel driving mechanism transmission and links to each other, and described storage battery is installed in the saddle below of bicycle.
Described motor-driven mechanism comprises motor and the middle coaxial speed variator that links to each other with motor, and the front end of motor driving shaft is provided with transmission gear; The middle coaxial speed variator comprises housing and the fixedly internally toothed annulus, one-level under drive gear, gap bridge transmission gear, double reduction transmission gear and the output shaft that are arranged in the housing; Housing is fixed on the vehicle frame of bicycle; Fixedly internally toothed annulus and housing are fixedly linked; The one-level under drive gear totally three be evenly distributed on the motor-driven shaft transmission gear circumferentially with fixedly between the internally toothed annulus, three one-level under drive gears link to each other with motor-driven shaft transmission gear engaged transmission respectively and mesh with fixing internally toothed annulus that link to each other can be along fixedly internally toothed annulus rolling; Gap bridge driving cog bye is enclosed within on the axis of bicycle and through bearing pin and links to each other with the transmission of three one-level under drive gears; The double reduction transmission gear totally three be evenly distributed on the gap bridge transmission gear circumferentially with fixedly between the internally toothed annulus, three double reduction transmission gears link to each other with gap bridge transmission gear engaged transmission respectively and mesh with fixing internally toothed annulus that link to each other can be along fixedly internally toothed annulus rolling; Output shaft slides over through the bearing activity on the axis of bicycle and through bearing pin and links to each other with the transmission of three double reduction transmission gears.
Described chain wheel driving mechanism comprises sprocket wheel, needle-type double end unilateral bearing and foot-operated drive plate, and needle-type double end unilateral bearing is connected the outside of sprocket wheel, and foot-operated drive plate is connected the outside of needle-type double end unilateral bearing; Described needle-type double end unilateral bearing comprise inner ring, centre circle, outer ring and be arranged on inner ring and centre circle between, the needle roller between centre circle and the outer ring; Inner ring links to each other with the output shaft fixed conveyor; Centre circle links to each other with chain sprocket drive; The outer ring links to each other with foot-operated drive plate transmission, and foot-operated drive plate and bicycle middle shaft are fixedly linked.
Described storage battery is a lithium cell.
The middle Electrical Bicycle of the utility model has following advantage and characteristics owing to adopted above technical scheme:
1, vehicle body is light, and total weight can be controlled in about 20 kilograms;
During 2, even without electricity, also can use normally, easily like Regular Bicycle;
3, use lithium cell, volume little, in light weight (3-4 kilogram), energy-conserving and environment-protective;
4, motor is mid-, and center of gravity is more stable, and is safer;
5, outward appearance fashion is leisure, body-building, the walking-replacing tool of modern metropolitan cities ideal of life.
Description of drawings
Fig. 1, Fig. 2 are the integral structure scheme drawings of the utility model middle Electrical Bicycle;
Fig. 3 is the structural representation of the motor-driven mechanism in the utility model;
Fig. 4 is the structural representation of the chain wheel driving mechanism in the utility model.
The specific embodiment
Referring to Fig. 1, Fig. 2; The middle Electrical Bicycle of the utility model; A kind of middle Electrical Bicycle comprises bicycle body 1, is used to drive the motor-driven mechanism 2 of bicycle and to motor-driven mechanism the storage battery 3 of electric power is provided, and also comprises chain wheel driving mechanism 4; Motor-driven mechanism 2 is installed on the axis 11 of bicycle and with chain wheel driving mechanism 4 transmissions and links to each other, and storage battery 3 is installed in saddle 12 belows of bicycle, and this storage battery is a lithium cell.
Referring to Fig. 3, the motor-driven mechanism 2 in the utility model comprises motor 21 and the middle coaxial speed variator that links to each other with motor, and the front end of motor driving shaft 211 is provided with transmission gear.The middle coaxial speed variator comprises housing 22 and the fixedly internally toothed annulus 23, one-level under drive gear 24, gap bridge transmission gear 25, double reduction transmission gear 26 and the output shaft 27 that are arranged in the housing; Housing 22 is fixed on the vehicle frame of bicycle; Fixedly internally toothed annulus 23 is fixedly linked with housing; One-level under drive gear 24 totally three be evenly distributed on the motor-driven shaft transmission gear circumferentially with fixedly between the internally toothed annulus 23, three one-level under drive gears link to each other with motor-driven shaft transmission gear engaged transmission respectively and mesh with fixing internally toothed annulus that link to each other can be along fixedly internally toothed annulus rolling; Gap bridge transmission gear 25 skies are enclosed within on the axis 11 of bicycle and through bearing pin 51 and link to each other with three one-level under drive gear 24 transmissions; Double reduction transmission gear 26 totally three be evenly distributed on gap bridge transmission gear 25 circumferentially with fixedly between the internally toothed annulus 23, three double reduction transmission gears 26 link to each other with gap bridge transmission gear 25 engaged transmission respectively and mesh with fixing internally toothed annulus 23 that link to each other can be along fixedly internally toothed annulus rolling; Output shaft 27 slides over through bearing 61 activities (also to link to each other with housing 22 through bearing 61,62,63) on the axis 11 of bicycle and pass through bearing pin 52 and links to each other with three double reduction transmission gear 26 transmissions.
Referring to Fig. 4; Chain wheel driving mechanism 4 in the utility model comprises sprocket wheel 41, needle-type double end unilateral bearing 42 and foot-operated drive plate 43; Needle-type double end unilateral bearing 42 is connected the outside of sprocket wheel 41, and foot-operated drive plate 43 is connected the outside of needle-type double end unilateral bearing 42; Needle-type double end unilateral bearing 42 comprise inner ring 421, centre circle 422, outer ring 423 and be arranged on inner ring and centre circle between, the needle roller 424 between centre circle and the outer ring; Inner ring 421 links to each other with output shaft 27 fixed conveyor; Centre circle 422 links to each other with sprocket wheel 41 transmissions; Outer ring 423 links to each other with foot-operated drive plate 43 transmissions through bearing pin 53, and foot-operated drive plate 43 is fixedly linked with bicycle middle shaft 11.
The principle of work of the utility model middle Electrical Bicycle is; When using motor drive mode; Motor 21 drives axle drive shaft 211 rotations; Axle drive shaft 211 drives 24 rotations of three one-level under drive gears through its transmission gear, and three one-level under drive gears 24 fixedly drive 25 rotations of gap bridge transmission gear through bearing pin 51 in internally toothed annulus 23 rotations on the edge, and the deceleration of realization one-level; Gap bridge transmission gear 25 is through 26 rotations of three double reduction transmission gears of its gear driven, and three double reduction transmission gears 26 are driving output shaft 27 rotations through bearing pin 52 when fixedly internally toothed annulus 23 rotates, and realize double reduction; The inner ring 421 that output shaft 27 drives in the needle-type double end unilateral bearing 42 rotates; Inner ring 421 and then drive centre circle 422 rotate (at this moment, does not rotate the outer ring, and bicycle middle shaft does not rotate yet); Centre circle 422 and then drive sprocket wheel 41 rotate, thereby realize the electric traveling of bicycle.
When using the manpower drive pattern; Manpower drives axis 11 rotations through riding, and then foot-operated drive plate 43 rotations of drive, and rotate the outer ring 423 that foot-operated drive plate 43 passes through in the bearing pin 53 drive needle-type double end unilateral bearings 42; Outer ring 423 and then drive centre circle 422 rotate (at this moment; Motor-driven mechanism and inner ring do not rotate), centre circle 422 and then drive sprocket wheel 41 rotate, thus the manpower of realizing bicycle goes.
Claims (4)
1. middle Electrical Bicycle comprises bicycle body, is used to drive the motor-driven mechanism of bicycle and to motor-driven mechanism the storage battery of electric power is provided, and it is characterized in that: also comprise chain wheel driving mechanism; Described motor-driven mechanism is installed on the axis of bicycle and with the chain wheel driving mechanism transmission and links to each other, and described storage battery is installed in the saddle below of bicycle.
2. middle Electrical Bicycle according to claim 1 is characterized in that: described motor-driven mechanism comprises motor and the middle coaxial speed variator that links to each other with motor, and the front end of motor driving shaft is provided with transmission gear; The middle coaxial speed variator comprises housing and the fixedly internally toothed annulus, one-level under drive gear, gap bridge transmission gear, double reduction transmission gear and the output shaft that are arranged in the housing; Housing is fixed on the vehicle frame of bicycle; Fixedly internally toothed annulus and housing are fixedly linked; The one-level under drive gear totally three be evenly distributed on the motor-driven shaft transmission gear circumferentially with fixedly between the internally toothed annulus, three one-level under drive gears link to each other with motor-driven shaft transmission gear engaged transmission respectively and mesh with fixing internally toothed annulus that link to each other can be along fixedly internally toothed annulus rolling; Gap bridge driving cog bye is enclosed within on the axis of bicycle and through bearing pin and links to each other with the transmission of three one-level under drive gears; The double reduction transmission gear totally three be evenly distributed on the gap bridge transmission gear circumferentially with fixedly between the internally toothed annulus, three double reduction transmission gears link to each other with gap bridge transmission gear engaged transmission respectively and mesh with fixing internally toothed annulus that link to each other can be along fixedly internally toothed annulus rolling; Output shaft slides over through the bearing activity on the axis of bicycle and through bearing pin and links to each other with the transmission of three double reduction transmission gears.
3. middle Electrical Bicycle according to claim 1 and 2; It is characterized in that: described chain wheel driving mechanism comprises sprocket wheel, needle-type double end unilateral bearing and foot-operated drive plate; Needle-type double end unilateral bearing is connected the outside of sprocket wheel, and foot-operated drive plate is connected the outside of needle-type double end unilateral bearing; Described needle-type double end unilateral bearing comprise inner ring, centre circle, outer ring and be arranged on inner ring and centre circle between, the needle roller between centre circle and the outer ring; Inner ring links to each other with the output shaft fixed conveyor; Centre circle links to each other with chain sprocket drive; The outer ring links to each other with foot-operated drive plate transmission, and foot-operated drive plate and bicycle middle shaft are fixedly linked.
4. middle Electrical Bicycle according to claim 1 is characterized in that: described storage battery is a lithium cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204116761U CN202337319U (en) | 2011-10-25 | 2011-10-25 | Electric bicycle with centrally arranged motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204116761U CN202337319U (en) | 2011-10-25 | 2011-10-25 | Electric bicycle with centrally arranged motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202337319U true CN202337319U (en) | 2012-07-18 |
Family
ID=46486020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204116761U Expired - Fee Related CN202337319U (en) | 2011-10-25 | 2011-10-25 | Electric bicycle with centrally arranged motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202337319U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072664A (en) * | 2011-10-25 | 2013-05-01 | 上海坚振金属制品厂 | Electric bicycle with centrally arranged motor |
| WO2016045006A1 (en) * | 2014-09-24 | 2016-03-31 | 祥发金属工业股份有限公司 | Pedal shaft of electric bicycle |
| CN106828759A (en) * | 2015-12-04 | 2017-06-13 | 通用汽车环球科技运作有限责任公司 | Integrated middle drive electric bicycle propulsion system |
| CN110155239A (en) * | 2019-05-09 | 2019-08-23 | 尚策 | A kind of boosting device for bicycle structure |
-
2011
- 2011-10-25 CN CN2011204116761U patent/CN202337319U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072664A (en) * | 2011-10-25 | 2013-05-01 | 上海坚振金属制品厂 | Electric bicycle with centrally arranged motor |
| WO2016045006A1 (en) * | 2014-09-24 | 2016-03-31 | 祥发金属工业股份有限公司 | Pedal shaft of electric bicycle |
| CN106828759A (en) * | 2015-12-04 | 2017-06-13 | 通用汽车环球科技运作有限责任公司 | Integrated middle drive electric bicycle propulsion system |
| CN110155239A (en) * | 2019-05-09 | 2019-08-23 | 尚策 | A kind of boosting device for bicycle structure |
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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: 20120718 Termination date: 20141025 |
|
| EXPY | Termination of patent right or utility model |