CN211869598U - Front and rear wheel cycle driving electric bicycle - Google Patents
Front and rear wheel cycle driving electric bicycle Download PDFInfo
- Publication number
- CN211869598U CN211869598U CN201920327469.4U CN201920327469U CN211869598U CN 211869598 U CN211869598 U CN 211869598U CN 201920327469 U CN201920327469 U CN 201920327469U CN 211869598 U CN211869598 U CN 211869598U
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Abstract
The utility model discloses a front and back wheel cycle driving electric bicycle, which utilizes the front and back wheels to drive alternately, and effectively improves the endurance mileage of the electric bicycle under the premise of unchanging the battery capacity; front wheel drive and rear wheel drive set up respectively on the front and back wheel of automobile body, are provided with control system on the automobile body, and control system is used for controlling front wheel drive or rear wheel drive as the drive wheel of automobile body, and rear wheel drive's structure is: the brake system comprises a motor, a generator, a speed increaser and a clutch, wherein one end of the motor is an output end, the output end is in power connection with a rear wheel rotating shaft, the other end of the motor is a brake auxiliary end, the brake auxiliary end and the output end are coaxially arranged with a main shaft of the motor, a rear wheel gear is arranged on the brake auxiliary end, the clutch can be dynamically meshed with the rear wheel gear, the power output end of the clutch is connected with the power input end of the speed increaser, and the power output end of the speed increaser is in power connection with the power input end of the generator; the utility model discloses but wide application in electric motor car field.
Description
Technical Field
The utility model relates to a front and back round of circulation drive electric bicycle belongs to electric motor car technical field.
Background
The existing electric vehicle is driven by a rear wheel, the higher the rotating speed of a rear wheel motor is, the higher the speed of the electric vehicle is, the higher the rotating speed of the rear wheel motor is, the power consumption is increased rapidly, and the endurance mileage of the electric vehicle is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art exists not enough, provides a front and back wheel cycle drive electric bicycle, utilizes front and back wheel drive in turn, under the unchangeable prerequisite of battery capacity, has effectively improved the continuation of the journey mileage of electric motor car.
In order to solve the technical problem, the utility model discloses a technical scheme be: a front-rear wheel cycle driving electric bicycle comprises a bicycle body, a front wheel driving part and a rear wheel driving part, wherein the front wheel driving part and the rear wheel driving part are respectively arranged on the front wheel and the rear wheel of the bicycle body, a control system is arranged on the bicycle body and is used for controlling the front wheel driving part or the rear wheel driving part to be used as a driving wheel of the bicycle body, and the rear wheel driving structure is as follows: including motor, generator, speed increaser and clutch, the one end of motor is the output, the output is connected with rear wheel pivot power, the other end of motor is the brake auxiliary end, the brake auxiliary end all with the coaxial setting of main shaft of motor with the output, be provided with the rear wheel gear on the brake auxiliary end, the clutch can with the rear wheel gear carries out dynamic meshing, the power take off end of clutch is connected at the power input of speed increaser, the power take off end of speed increaser is connected with the power input power of generator.
The front wheel driving structure is as follows: the front wheel motor is arranged on the output shaft, the output shaft is driven to rotate through the front wheel motor, the small gear is fixedly arranged on the output shaft and can synchronously rotate along with the output shaft, the large gear is fixedly arranged in the wheel hub, the wheel hub synchronously rotates along with the large gear, a planetary gear is arranged between the small gear and the large gear, the planetary gear is respectively meshed with the small gear and the large gear, and the planetary gear is movably sleeved on the output shaft.
The structure of the planetary gear is as follows: including fluted disc, front wheel gear and axle, it is circular the fluted disc passes through the bearing setting on the output shaft, three the whole row of axle circle distributes and sets up on the fluted disc, just the one end activity of axle sets up in the fluted disc, all be provided with front wheel gear on the other end of axle, front wheel gear's inboard and pinion engagement, front wheel gear's the outside and the gear wheel meshing.
One end of the pinion is close to the end face of the motor, a shaft sleeve is arranged at the other end of the pinion, and the bearing sleeve is sleeved on the shaft sleeve.
The front wheel motor is characterized in that a cover body is transversely arranged on the end face of one end of the wheel hub, the cover body and the wheel hub are integrally formed, the front wheel motor can be completely covered by the cover body, and the end face of the cover body is flush with the end face of the front wheel motor.
The clutch is connected with the brake end and the electric switch end electrically, so that the clutch is meshed with the rear wheel gear when the brake is started, and the clutch is separated from the rear wheel gear when the electric switch is started.
The motor, the generator, the speed increaser and the clutch are all arranged in the motor shell, and the output end extends out of the outer side of the motor shell.
The power output end of the generator is converted into direct current through the rectifier and then is electrically connected with the storage battery.
Compared with the prior art, the utility model beneficial effect who has is: the utility model discloses utilize the rear wheel drive when the electric motor car starts, when the speed of a motor vehicle reaches 15 yards, switch into front wheel drive mode through control system automatic switch, travel speed promotes 25 yards after switching, the utility model discloses the different rotational speed antedisplacement of front and back wheel is utilized for the electric motor car is more energy-conserving, and power consumption is low, and the continuation of the journey mileage is longer. Additionally the utility model discloses kinetic energy when can effectively retrieve the electric motor car brake, not only help the speed reduction, and turn into the electric energy with most kinetic energy, and store in the storage battery, when meetting the needs brake in the electric motor car traveles, start the brake, the controller detects brake signal back control clutch and front wheel gear engagement, carry the kinetic energy of electric motor car for the generator generates electricity through the speed increaser, because the output rotational speed of speed increaser is very high, make the instantaneous generating current of generator very big, play the effect of quick-charging to the storage battery, and because the rotation of speed increaser has consumed a large amount of inertial kinetic energy of electric motor car in the twinkling of an eye, not only help the speed reduction, and the wearing and tearing of brake shoe have also been saved, when starting the electric door, controller control clutch and rear wheel gear separation, the motor relies on the.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the middle-front wheel drive of the present invention.
Fig. 3 is a top view of the front wheel driven planetary gear of the present invention.
Fig. 4 is a schematic structural diagram of the middle and rear wheel driving of the present invention.
In the figure: reference numeral 1 denotes a vehicle body, 2 denotes a front wheel drive, 21 denotes a front wheel motor, 22 denotes an output shaft, 23 denotes a pinion gear, 24 denotes a planetary gear, 241 denotes a toothed disc, 242 denotes a front wheel gear, 243 denotes a shaft, 244 denotes a bearing, 25 denotes a large gear, 26 denotes a hub, 27 denotes a sleeve, 28 denotes a cover, 3 denotes a rear wheel drive, 31 denotes a motor, 32 denotes a generator, 33 denotes a speed-increasing gear, 34 denotes a clutch, 35 denotes a rear wheel gear, and 36 denotes a motor housing.
Detailed Description
As shown in fig. 1-4, the utility model relates to a front and back wheel cycle drive electric bicycle, including automobile body 1, front wheel drive 2 and rear wheel drive 3 set up respectively on the front and back wheel of automobile body 1, be provided with control system on the automobile body 1, control system is used for controlling front wheel drive 2 or rear wheel drive 3 as the drive wheel of automobile body 1, rear wheel drive 3's structure is: including motor 31, generator 32, speed increaser 33 and clutch 34, the one end of motor 31 is the output, the output is connected with rear wheel pivot power, the other end of motor 31 is the brake auxiliary end, the brake auxiliary end all with the coaxial setting of motor 31's main shaft with the output, be provided with rear wheel gear 35 on the brake auxiliary end, clutch 34 can with rear wheel gear 35 carries out dynamic meshing, the power take off of clutch 34 is connected at the power input of speed increaser 33, the power take off of speed increaser 33 and the power input power of generator 32 are connected.
The structure of the front wheel drive 2 is as follows: the front wheel motor 21 is arranged on the output shaft 22, the output shaft 22 is driven to rotate through the front wheel motor 21, the pinion 23 is fixedly arranged on the output shaft 22 and can synchronously rotate along with the output shaft 22, the gearwheel 25 is fixedly arranged in the hub 26, the hub 26 synchronously rotates along with the gearwheel 25, the planetary gear 24 is arranged between the pinion 23 and the gearwheel 25, the planetary gear 24 is respectively meshed with the pinion 23 and the gearwheel 25, and the planetary gear 24 is movably sleeved on the output shaft 22.
The structure of the planetary gear 24 is as follows: including fluted disc 241, front wheel gear 242 and axle 243, circular fluted disc 241 sets up on output shaft 22 through bearing 244, three the circular permutation of axle 243 distributes and sets up on fluted disc 241, just the one end activity of axle 243 sets up in fluted disc 241, all be provided with front wheel gear 242 on the other end of axle 243, the inboard and the pinion 23 meshing of front wheel gear 242, the outside and the gear wheel 25 meshing of front wheel gear 242.
One end of the pinion 23 is arranged close to the end face of the motor, the other end of the pinion 23 is provided with a shaft sleeve 27, and the bearing 244 is sleeved on the shaft sleeve 27.
A cover 28 is transversely arranged on the end face of one end of the hub 26, the cover 28 and the hub 26 are integrally formed, the cover 28 can completely cover the front wheel motor 21, and the end face of the cover 28 is flush with the end face of the front wheel motor 21.
The clutch 34 is electrically connected with the brake end and the switch end, so that the clutch 34 is meshed with the rear wheel gear 35 when the brake is started, and the clutch 34 is separated from the rear wheel gear 35 when the switch is started.
The motor 31, the generator 32, the speed increaser 33 and the clutch 34 are all disposed in a motor housing 36, and the output end protrudes outside the motor housing 36.
The power output end of the generator 32 is converted into direct current through the rectifier and then is electrically connected with the battery jar.
The electric vehicle is started by adopting a self battery, generally 48V-12A (certainly, a power supply matched with a control system can be used, such as 36V, 72V and the like), and a rear wheel is used as a driving wheel during starting, the normal running current is between 10 and 12A, when the vehicle speed reaches 15 yards, the control system automatically switches into a front wheel driving mode, the running speed is increased to 25 yards after switching, and the normal running current is as follows: 5A, utilize the different rotational speed antedisplacement of front and back wheel after improving for the electric motor car is more energy-conserving, and the power consumption is low, and the continuation of the journey mileage is longer.
When the electric vehicle needs to be braked during running, the brake is started, the controller controls the clutch 34 to be meshed with the rear wheel gear 35 after detecting a brake signal, the kinetic energy of the electric vehicle is transmitted to the generator 32 through the speed increaser 33 to generate electricity, the instantaneous generating current of the generator 32 is large due to the fact that the rotating speed of the output end of the speed increaser 33 is high, the effect of fast charging the storage battery is achieved, a large amount of inertia kinetic energy of the electric vehicle is consumed instantly due to the rotation of the speed increaser 33, the speed is reduced, abrasion of brake linings is saved, when the electric door is started, the clutch 34 is controlled by the controller to be separated from the rear wheel gear 35, and the motor 31 continues to work by means of power supply.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (6)
1. The utility model provides a front and back wheel cycle drive electric bicycle, characterized in that includes automobile body (1), front wheel drive (2) and rear wheel drive (3) set up respectively on the front and back wheel of automobile body (1), be provided with control system on automobile body (1), control system is used for controlling front wheel drive (2) or rear wheel drive (3) as the drive wheel of automobile body (1), the structure of rear wheel drive (3) is: the brake system comprises a motor (31), a generator (32), a speed increaser (33) and a clutch (34), wherein one end of the motor (31) is an output end, the output end is in power connection with a rear wheel rotating shaft, the other end of the motor (31) is a brake auxiliary end, the brake auxiliary end and the output end are coaxially arranged with a main shaft of the motor (31), a rear wheel gear (35) is arranged on the brake auxiliary end, the clutch (34) can be dynamically meshed with the rear wheel gear (35), the power output end of the clutch (34) is connected with the power input end of the speed increaser (33), the power output end of the speed increaser (33) is in power connection with the power input end of the generator (32), and the power output end of the generator (32) is converted into direct current through a rectifier and then is electrically connected with a battery;
the structure of the front wheel drive (2) is as follows: including front wheel motor (21), output shaft (22), pinion (23), planetary gear (24), gear wheel (25) and wheel hub (26), front wheel motor (21) set up on output shaft (22), rotate through front wheel motor (21) drive output shaft (22), pinion (23) are fixed to be set up on output shaft (22), can rotate along with output shaft (22) is synchronous, gear wheel (25) are fixed to be set up in wheel hub (26), wheel hub (26) rotate along with gear wheel (25) is synchronous, be provided with planetary gear (24) between pinion (23) and gear wheel (25), planetary gear (24) mesh with pinion (23) and gear wheel (25) respectively, just planetary gear (24) activity suit is on output shaft (22).
2. The front-rear cycle drive electric bicycle according to claim 1, wherein the planetary gear (24) is constructed as: including fluted disc (241), front wheel gear (242) and axle (243), it is circular fluted disc (241) pass through bearing (244) and set up on output shaft (22), three the circular permutation of axle (243) distributes and sets up on fluted disc (241), just the one end activity of axle (243) sets up in fluted disc (241), all be provided with front wheel gear (242) on the other end of axle (243), the inboard and pinion (23) meshing of front wheel gear (242), the outside and gear wheel (25) meshing of front wheel gear (242).
3. The front-rear wheel cycle drive electric bicycle as claimed in claim 2, wherein one end of the pinion (23) is disposed near the end surface of the motor, the other end of the pinion (23) is disposed with a bushing (27), and the bearing (244) is fitted over the bushing (27).
4. The front-rear wheel cycle drive electric bicycle according to claim 1, wherein a cover (28) is transversely arranged on one end face of the hub (26), the cover (28) is integrally formed with the hub (26), the cover (28) can completely cover the front wheel motor (21), and the end face of the cover (28) is flush with the end face of the front wheel motor (21).
5. A cycle drive electric bicycle according to claim 1, wherein the clutch (34) is electrically connected to both the brake end and the switch end, so that the clutch (34) is engaged with the rear wheel gear (35) when the brake is started and the clutch (34) is disengaged from the rear wheel gear (35) when the switch is started.
6. A front-rear cycle drive electric bicycle according to claim 1, wherein the electric motor (31), the generator (32), the speed increaser (33) and the clutch (34) are all disposed in a motor housing (36), and the output end protrudes outside the motor housing (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920327469.4U CN211869598U (en) | 2019-03-15 | 2019-03-15 | Front and rear wheel cycle driving electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920327469.4U CN211869598U (en) | 2019-03-15 | 2019-03-15 | Front and rear wheel cycle driving electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211869598U true CN211869598U (en) | 2020-11-06 |
Family
ID=73240015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920327469.4U Expired - Fee Related CN211869598U (en) | 2019-03-15 | 2019-03-15 | Front and rear wheel cycle driving electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211869598U (en) |
-
2019
- 2019-03-15 CN CN201920327469.4U patent/CN211869598U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20201106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |