CN105691535A - Double-drive electric bicycle - Google Patents
Double-drive electric bicycle Download PDFInfo
- Publication number
- CN105691535A CN105691535A CN201610000511.2A CN201610000511A CN105691535A CN 105691535 A CN105691535 A CN 105691535A CN 201610000511 A CN201610000511 A CN 201610000511A CN 105691535 A CN105691535 A CN 105691535A
- Authority
- CN
- China
- Prior art keywords
- wheel
- double
- electric bicycle
- motor
- drive sprocket
- Prior art date
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
- B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M2009/005—Details of transmission chains specially adapted for bicycles
Abstract
The invention relates to a double-drive electric bicycle. The double-drive electric bicycle comprises a rear wheel manually driven through a pedal, a front wheel driven by a motor, a frame, a power supply, a controller and a speed reducer; the motor is electrically connected with the power supply; an output end of the motor is connected with an input end of the speed reducer; an output end of the speed reducer is a driving chain wheel; a front shaft is fixedly provided with a shaft sleeve; and the front wheel coats the shaft sleeve. The double-drive electric bicycle further comprises a driven chain wheel coaxially arranged with the front wheel; the front wheel is fixedly connected with the driven chain wheel; the front wheel and the driven chain wheel both can rotate around the shaft sleeve; and the driving chain wheel and the driven chain wheel are driven through chains. The double-drive electric bicycle, disclosed by the invention, not only can realize functions of a common bicycle, but also can realize an electric driving function, and is simple in structure and low in manufacturing cost.
Description
Technical field
The present invention relates to a kind of bicycle, particularly relate to a kind of double-driving electric bicycle。
Background technology
It is known that, bicycle is the vehicles of environmental protection, can be used to ride instead of walk, go on a journey, in recent years, bicycle is constantly upgraded, the electric bicycle derived by bicycle has come into huge numbers of families, the electric bicycle sold in the market, is mostly rear wheel drive, namely trailing wheel is driven by motor, simultaneously, it is possible to by manpower by footboard drives trailing wheel, but owing to being provided with motor in trailing wheel, when manpower drives rear wheel, rotating by drive motor axle, thus producing electromagnetic resistance, causing manpower to be ridden difficulty；And between motor shaft and trailing wheel, it is provided with reducing gear, drive trailing wheel to ride very slow by manpower；Therefore, the electric bicycle of existing rear wheel drive had not only been required great effort when manpower is ridden but also can not reach the speed of ordinary bicycle。Prior art also discloses that the electric bicycle of a part of front-wheel drive, but the structure that its motor driving part divides is more complicated, and is not easy to assembling, relatively costly。
Summary of the invention
The invention aims to solve above-mentioned technical problem, and then a kind of function that can realize ordinary bicycle is provided, can realize again the double-driving electric bicycle of electric drive function, its simple in construction, cheap for manufacturing cost。
Technical scheme:
A kind of double-driving electric bicycle, including by manpower by the trailing wheel of footboard drives, by motor-driven front-wheel, vehicle frame, power supply, controller, decelerator, described motor electrically connects with described power supply, the outfan of described motor is connected with the input of described decelerator, and the outfan of described decelerator is drive sprocket；Being fixed with axle sleeve on front axle, described front-wheel is sheathed on described axle sleeve；Also include the fixing connection of the driven sprocket being coaxially disposed with described front-wheel, described front-wheel and described driven sprocket, and all can rotate around described axle sleeve, between described drive sprocket and described driven sprocket, pass through chain drive。
As limitation of the invention further, described decelerator has double reduction mechanism, and wherein primary speed-down mechanism is between motor output end and straight-tooth gear, and the diameter of described straight-tooth gear is more than the diameter of described motor output end；Another grade of reducing gear is between described drive sprocket and described driven sprocket, and the diameter of described driven sprocket is more than the diameter of described drive sprocket。
As limitation of the invention further, being provided with clutch between described straight-tooth gear and described drive sprocket, clutch can engage or disconnect the connection between described straight-tooth gear and described drive sprocket。
As limitation of the invention further, between described front-wheel and described axle sleeve, it is provided with ball。
As limitation of the invention further, it is bolted to connection between described front-wheel and described drive sprocket。
As limitation of the invention further, it is welded and fixed between described front-wheel and described drive sprocket。
As limitation of the invention further, between described driven sprocket and described axle sleeve, it is provided with bearing。
As limitation of the invention further, described power supply is fixedly installed on described vehicle frame。
As limitation of the invention further, the gear ratio of described primary speed-down mechanism is 6 to 8, and the gear ratio of described two reduction gear is 4。
The method have the advantages that double-driving electric bicycle disclosed by the invention, trailing wheel is driven by manpower, front-wheel is driven by motor, during use, electric drive and function of bicycle are each independent, do not interfere with each other, the kind of drive by drive sprocket Yu driven sprocket, utilize motor drive front-wheel, simple in construction, cheap for manufacturing cost；It is more steady that the reducing gear of two-stage makes bicycle run, and decelerator is conveniently replaceable part and keeps in repair；The setting of clutch can engage or cut off the connection between drive sprocket and straight-tooth gear, can engage or cut off the connection between motor and drive sprocket, when being in manpower riding condition, trailing wheel is as drivewheel, front-wheel is servo-actuated, the driven sprocket being connected with front-wheel is with front-drive, driven sprocket passes through chain-driving drive sprocket, now manually handle and control clutch disconnection, namely the connection between drive sprocket and motor has been cut off, owing to when manpower drives, non-drive motor rotates, thus motor will not produce electromagnetic resistance, can't there is effort and phenomenon slowly of riding in people's ride；When being in eDrive state, it is necessary to manually handle and control clutch joint, motor drive drive sprocket, drive sprocket is through chain-driving driven sprocket, and then drives front-drive, and now, front-wheel is drivewheel, and trailing wheel is servo-actuated。
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention。
Fig. 2 is the structural representation of decelerator in Fig. 1 embodiment。
Fig. 3 is a kind of concrete structure schematic diagram that in Fig. 1 embodiment, front-wheel is connected with drive sprocket。
Fig. 4 is the another kind of concrete structure schematic diagram that in Fig. 1 embodiment, front-wheel is connected with drive sprocket。
Wherein Fig. 3, Fig. 4 are axially symmetric structures, not shown with Fig. 3, Fig. 4 symmetrical structure。
1-front-wheel in figure；2-drive sprocket；3-driven sprocket；4-one speed reducer；5-vehicle frame；6-power supply；7-bearing；8-ball；9-axle sleeve；10-bolt；11-motor；12-straight-tooth gear；13-clutch；14-front axle。
Detailed description of the invention
Below with reference to accompanying drawing, the present invention is described in detail。
Embodiment one:
Shown in Fig. 1-3, double-driving electric bicycle disclosed in the present embodiment, it is the same with existing bicycle structure by the structure of footboard drives trailing wheel by manpower, is not described in detail at this。Itself and existing bicycle are different in that the improvement that front-wheel 1 is carried out, with reference to Fig. 3, the side of front-wheel 1 is provided with driven sprocket 3, front-wheel 1 and driven sprocket 3 all can rotate around axle 14, on axle 14, fixed cover is provided with axle sleeve 9, realize relatively rotating by ball 8 between front-wheel 1 and axle sleeve 9, between driven sprocket 3 and axle sleeve 9, be provided with bearing 7, realize relatively rotating by bearing 7 between driven sprocket 3 and axle sleeve 9；Axle sleeve 9 is provided with the concave part holding ball 8 and bearing 7 is carried out spacing shoulder block；Being fixedly connected by bolt 10 between front-wheel 1 and driven sprocket 3, bolt 10 is each passed through front-wheel 1 and the wheel hub of driven sprocket 3, and utilizes nut by fixing between bolt 10 and front-wheel 1 and driven sprocket 3；So arrange, front-wheel 1 can be made to rotate around axle sleeve 9 together with driven sprocket 3。
See figures.1.and.2, above the front-wheel 1 of bicycle, it is provided with motor 11 and decelerator 4, simultaneously, vehicle frame 5 is also equipped with power supply 6, the optional optional position being installed on vehicle frame 5 of power supply 6, installation site shown in Fig. 1 is the present embodiment preferably installation site, should not be interpreted as limitation of the present invention。
Decelerator 4 is formed with double reduction mechanism, wherein primary speed-down mechanism is between the outfan of motor 11 and the input of decelerator 4 and straight-tooth gear 12, owing to the diameter of straight-tooth gear 12 is more than the diameter of motor 11 outfan, namely the velocity of rotation of straight-tooth gear 12 is less than the velocity of rotation of motor 11 outfan, gear ratio herein is set as 6 to 8, so can reduce the loss to motor 11 to greatest extent, also can reduce the abrasion between gear；Another grade of reducing gear is between outfan and drive sprocket 2 and the driven sprocket 3 of decelerator 4, the diameter of driven sprocket 3 is more than the diameter of drive sprocket 2, chain drive is passed through between drive sprocket 2 and driven sprocket 3, the gear ratio herein set is as 4, if gear ratio sets excessive, then can the abrasion of acceleration chain wheel and chain, but also the abrasion of clutch 13 between straight-tooth gear 12 and drive sprocket 2 can be accelerated；If gear ratio sets too small, then do not reach desirable slowing effect。Certainly, the setting numerical value of above-mentioned gear ratio is according to the present embodiment preferably numerical value, and those skilled in the art also according to the rotating speed of motor 11, and can determine other gear ratio according to practical situation, and these are all without spending creative work would occur to。
Clutch 13 it is additionally provided with between straight-tooth gear 12 and drive sprocket 2, clutch 13 can be used for engaging or disconnect the connection between straight-tooth gear 12 and drive sprocket 2, more specifically, drive sprocket 2 is provided with shift fork, Manual operation mechanism can stir the joint between drive sprocket 2 and straight-tooth gear 12 or disconnection action by shift fork, clutch 13 is set and can engage or cut off the transmission between motor 11 and drive sprocket 2, thus following purpose can be reached, when needs manpower is ridden, namely the transmission between motor 11 and drive sprocket 2 is cut off, now the trailing wheel of bicycle is drivewheel, the front-wheel 1 of bicycle is supporting roller, the rotation of front-wheel 1 can't rotate by drive motor 11, also electromagnetic resistance would not be produced, therefore, the problem that existing cycling difficulty is slow with riding speed can't occur；When needs electric drive, engaging clutch 13, making transmission between motor 11 and drive sprocket 2, thus driving front-wheel 1。
Embodiment two:
The present embodiment and embodiment one the difference is that only, connected mode between front-wheel 1 and driven sprocket 3, with reference to Fig. 4, disclosed in the present embodiment, front-wheel 1 and driven sprocket 3 are welded as a whole, and similarly, front-wheel 1 and driven sprocket 3 can carry out coaxial rotation around axle sleeve 9, compared to embodiment one, driven sprocket 3 is directly welded in the side of front-wheel 1, and driven sprocket 3 is fixing with front-wheel 1 to be connected, and can save the assembling of embodiment one middle (center) bearing 7。
Specific works process is as follows:
The rear-wheel structure of double-driving bicycle disclosed by the invention is identical with existing bicycle, does not make change。
When being ridden by manpower, manpower is utilized to drive rear wheel by bicycle pedal, now, the trailing wheel of bicycle is driving wheel, front-wheel is supporting roller, now needs manually to handle to make clutch separation, namely disconnects the transmission between motor and drive sprocket, when front-drive, can't rotate together by drive motor, thus without producing electromagnetic resistance, namely manpower ride does not have effort, ride problem slowly, remain the manpower of original bicycle and ride function。
When being driven by motor, now need manually to handle to make clutch engage, namely the transmission between motor and drive sprocket is engaged, straight-tooth gear is driven to rotate by motor, straight-tooth gear drives drive sprocket to rotate by clutch, and drive sprocket is rotated by chain-driving driven sprocket, and driven sprocket is fixing with front-wheel to be connected, therefore driving front-drive, now bicycle rear is supporting roller。
Double-driving bicycle disclosed by the invention can switch manpower in ride at any time and ride and motor driving both of which, more existing electric bicycle is compared, and the present invention can realize original cycling function, additionally it is possible to realizes electrically driven (operated) function, its simple in construction, with low cost。
Above example is the exemplary illustration to this patent, does not limit its protection domain, and its local can also be changed by those skilled in the art, as long as no the spirit beyond this patent, all in the protection domain of this patent。
Claims (9)
1. a double-driving electric bicycle, including by manpower by the trailing wheel of footboard drives, motor (11) front-wheel (1) driven, vehicle frame (5), power supply (6), controller, decelerator (4), it is characterized in that, described motor (11) electrically connects with described power supply (6), the outfan of described motor (11) is connected with the input of described decelerator (4), and the outfan of described decelerator (4) is drive sprocket (2)；Being fixed with axle sleeve (9) on front axle (14), described front-wheel (1) is sheathed on described axle sleeve (9)；Also include the driven sprocket (3) being coaxially disposed with described front-wheel (1), described front-wheel (1) and the fixing connection of described driven sprocket (3), and all can rotate around described axle sleeve (9), pass through chain drive between described drive sprocket (2) and described driven sprocket (3)。
2. a kind of double-driving electric bicycle according to claim 1, it is characterized in that, described decelerator (4) has double reduction mechanism, wherein primary speed-down mechanism is between motor (11) outfan and straight-tooth gear (12), and the diameter of described straight-tooth gear (12) is more than the diameter of described motor (11) outfan；Another grade of reducing gear is between described drive sprocket (2) and described driven sprocket (3), and the diameter of described driven sprocket (3) is more than the diameter of described drive sprocket (2)。
3. a kind of double-driving electric bicycle according to claim 2, it is characterized in that, being provided with clutch (13) between described straight-tooth gear (12) and described drive sprocket (2), clutch (13) can engage or disconnect the connection between described straight-tooth gear (12) and described drive sprocket (2)。
4. a kind of double-driving electric bicycle according to Claims 2 or 3, it is characterised in that be provided with ball (8) between described front-wheel (1) and described axle sleeve (9)。
5. a kind of double-driving electric bicycle according to claim 4, it is characterised in that be connected by bolt (10) is fixing between described front-wheel (1) with described drive sprocket (2)。
6. a kind of double-driving electric bicycle according to claim 4, it is characterised in that be welded and fixed between described front-wheel (1) and described drive sprocket (2)。
7. a kind of double-driving electric bicycle according to claim 5, it is characterised in that be provided with bearing (7) between described driven sprocket (3) and described axle sleeve (9)。
8. a kind of double-driving electric bicycle according to claim 7, it is characterised in that described power supply (6) is fixedly installed on described vehicle frame (5)。
9. a kind of double-driving electric bicycle according to claim 8, it is characterised in that the gear ratio of described primary speed-down mechanism is 6 to 8, and the gear ratio of described two reduction gear is 4。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610000511.2A CN105691535A (en) | 2016-01-04 | 2016-01-04 | Double-drive electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610000511.2A CN105691535A (en) | 2016-01-04 | 2016-01-04 | Double-drive electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105691535A true CN105691535A (en) | 2016-06-22 |
Family
ID=56226914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610000511.2A Pending CN105691535A (en) | 2016-01-04 | 2016-01-04 | Double-drive electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105691535A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2033796U (en) * | 1988-06-23 | 1989-03-08 | 董胜波 | Electric auxiliary power bicycle |
| CN1053588A (en) * | 1990-12-20 | 1991-08-07 | 清华大学 | Double-driven electrically-aided bicycle with driven hubs |
| JPH1059259A (en) * | 1996-08-14 | 1998-03-03 | Matsushita Electric Ind Co Ltd | Motor-assisted bicycle |
| CN201193089Y (en) * | 2007-12-27 | 2009-02-11 | 马宝亮 | Front-driving electric bicycle |
| CN205652276U (en) * | 2016-01-04 | 2016-10-19 | 哈尔滨理工大学 | Two formula electric bicycle that drive |
-
2016
- 2016-01-04 CN CN201610000511.2A patent/CN105691535A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2033796U (en) * | 1988-06-23 | 1989-03-08 | 董胜波 | Electric auxiliary power bicycle |
| CN1053588A (en) * | 1990-12-20 | 1991-08-07 | 清华大学 | Double-driven electrically-aided bicycle with driven hubs |
| JPH1059259A (en) * | 1996-08-14 | 1998-03-03 | Matsushita Electric Ind Co Ltd | Motor-assisted bicycle |
| CN201193089Y (en) * | 2007-12-27 | 2009-02-11 | 马宝亮 | Front-driving electric bicycle |
| CN205652276U (en) * | 2016-01-04 | 2016-10-19 | 哈尔滨理工大学 | Two formula electric bicycle that drive |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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Application publication date: 20160622 |