CN206501974U - Electric bicycle transmission device and the electric bicycle with the device - Google Patents
Electric bicycle transmission device and the electric bicycle with the device Download PDFInfo
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- CN206501974U CN206501974U CN201621340553.2U CN201621340553U CN206501974U CN 206501974 U CN206501974 U CN 206501974U CN 201621340553 U CN201621340553 U CN 201621340553U CN 206501974 U CN206501974 U CN 206501974U
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- electric bicycle
- transmission device
- vehicle frame
- driver
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Abstract
The utility model discloses a kind of electric bicycle transmission device, it includes：Be rotatably connected is used for the axis of connecting crank on the vehicle frame of electric bicycle and its two ends；And on the vehicle frame and positioned at the rear-guard wheel hub motor at the axis rear；The axis is connected with the rear-guard wheel hub motor by being driven without chain drive.It uses the axis transmission structure of no chain to connect vehicle axis and rear-guard wheel hub motor, axis and the stable stable drive of vehicle rear wheel can either be ensured, it turn avoid traditional chain driving device and be easily broken off damage when in use, accidentally injure user, user's clothing is stained, it is necessary to the problem of often safeguarding.
Description
Technical field
The utility model is related to a kind of electrical salf-walking field, and in particular to a kind of electric bicycle transmission device and with this
The electric bicycle of device.
Background technology
The transmission device of existing electric bicycle is chain driving, such as carries the electrical salf-walking of rear-guard wheel hub motor
Car, is connected between its axis and rear-guard wheel hub motor by chain (and sprocket wheel), the two ends connecting crank of axis, crank end
Portion's connection is foot-operated.In practical application, under electric model, rear-guard wheel hub electrical power runs and directly drives rear wheel, makes
Vehicle forward；Under manpower ride mode, bicyclist tramples foot-operated, and by crank handle turns middle shaft rotation, axis is passing through chain
The shell of wheel hub motor is driven to rotate, motor housing drives bicycle rear to rotate and make vehicle forward.
Above-mentioned this chain driving device has the following disadvantages：Driving chain easy fracture is damaged, and easily accidental injury makes
User, while being easily stained user's clothing, and needs often to safeguard.
Utility model content
The utility model purpose is：In order to overcome above mentioned problem to be driven dress there is provided a kind of electric bicycle of new structure
Put and the electric bicycle with the device.
The technical solution of the utility model is：A kind of electric bicycle transmission device, including：
Be rotatably connected is used for the axis of connecting crank on the vehicle frame of electric bicycle and its two ends；And
On the vehicle frame and positioned at the rear-guard wheel hub motor at the axis rear；
The axis is with the rear-guard wheel hub motor by being connected without chain drive.
This electric bicycle transmission device of the utility model on the basis of above-mentioned technical proposal, in addition to it is following preferably
Scheme：
The rear-guard wheel hub motor includes motor housing and rotates the electric machine main shaft being arranged in the motor housing, described
Electric machine main shaft is locked on the vehicle frame, described to include without chain drive：
Coaxially it is fixed on the first angular wheel on the axis；
Coaxial rotating is set in the second angular wheel that the electric machine main shaft is outer and is connected with the motor housing；
The triconic gear being connected is engaged with first angular wheel；
The 4th angular wheel being connected is engaged with second angular wheel；And
It is fixedly connected on the power transmission shaft between the triconic gear and the 4th angular wheel, and the transmission
Axle and the triconic gear and the 4th angular wheel are coaxially arranged.
The axle sleeve for also including being connected on the vehicle frame without chain drive, the power transmission shaft passes through spring bearing
Rotary setting is in the axle sleeve.
The axle sleeve by from the preceding preceding cover of driver being then detachably connected successively, preceding connecting seat, sleeve pipe, rear connecting seat and
Cover of driver is constituted afterwards, and the preceding cover of driver and the rear cover of driver are fixed with the vehicle frame.
Described sleeve pipe and the preceding connecting seat in the external screw thread and preceding connecting seat that are set on the outer tube wall of sleeve pipe front end by setting
The internal thread threaded connection put, described sleeve pipe and the rear connecting seat by the external screw thread that is set on the outer tube wall of sleeve pipe rear end and after
The internal thread threaded connection set in connecting seat, and external screw thread and described sleeve pipe in described sleeve pipe on the front end outer tube wall
External screw thread on the upper rear end outer tube wall is oppositely oriented.
The axis mounting hole of a lateral direction penetrating is formed with the preceding cover of driver, the axis is rotated by spring bearing
It is arranged in the axis mounting hole.
Torque sensor between the axis and the preceding cover of driver is installed, the torque is passed on the axis
Sensor is connected with the rear-guard wheel hub motor circuit.
Second angular wheel is connected by an one-way clutch with the motor housing.
Described vehicle frame includes chain stay, is connected to the anterior Five-way tube of the chain stay and is connected to the chain stay rear portion
Hook afterwards, the preceding cover of driver is arranged in the Five-way tube and is locked, and the electric machine main shaft is locked described
Afterwards on hook.
The utility model also proposed a kind of electric bicycle, and its key improvements is that it includes vehicle frame and installed in this
Above-mentioned electric bicycle transmission device on vehicle frame.
The utility model has the advantages that：The utility model sets the shaft drive of no chain to connect on electric bicycle
The axis and rear-guard wheel hub motor of electric vehicle and bicycle, and the mounting torque sensor on axis are connect, in transmission device and rear-guard
Wheel hub motor junction sets one-way clutch, both ensure that axis and the stable drive of vehicle rear wheel, and turn avoid traditional
Chain driving device is easily broken off damaging when in use, accidentally injures user, is stained user's clothing, it is necessary to which that often safeguards asks
Topic.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, required in being described below to embodiment
The accompanying drawing used is briefly described, and drawings in the following description are only some embodiments of the present utility model, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is the overlooking structure figure (possessing section view) of electric bicycle transmission device in the utility model embodiment；
Wherein：Hook after 1- vehicle frames, 101- chain stays, 102- Five-way tubes, 103-, 2- axis, 3- rear-guard wheel hub motors, 301-
Electric machine main shaft, 302- motor housings, the angular wheels of 4- first, the angular wheels of 5- second, 6- triconic gears, the tapers of 7- the 4th
After connecting seat after connecting seat before cover of driver before gear, 8- power transmission shafts, 9- spring bearings, 10-, 11-, 12- sleeve pipes, 13-, 14-
Cover of driver, 15- torque sensors, 16- 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 utility model and be not limited to limit scope of the present utility model.The implementation condition used in embodiment can be according to specific producer
Condition do further adjustment, unreceipted implementation condition is usually the condition in normal experiment.
Fig. 1 shows a specific embodiment of this electric bicycle transmission device of the utility model, and it includes electronic
The axis 2 and rear-guard wheel hub motor 3 of bicycle.Wherein：Axis 2 be rotatably connected (be indirectly connected with by intermediate member, it is non-straight in succession
Connect) on the vehicle frame 1 of electric bicycle, during practical application, the two ends connecting crank of axis 2, crank end sets foot-operated.Rear-guard
Wheel hub motor 3 is arranged on vehicle frame 1, and it is located at the rear of axis 2.
The key improvements of the present embodiment are, traditional chain is no longer used between the axis 2 and the rear-guard wheel hub motor 3
Bar assembly is connected, but by being connected without chain drive.
It is that the rear-guard wheel hub motor 3 in the present embodiment also includes motor housing with traditional identical of rear-guard wheel hub motor 3
302 are arranged in the electric machine main shaft 301 in the motor housing with rotation, and electric machine main shaft 301 is locked by locking nut
On vehicle frame 1.During practical application, the motor housing 302 is directly as the wheel hub of electrical salf-walking back wheels of vehicle, and it is by passing through bolt lock
It is close to the housing 302a being connected together and end cap 302b to constitute, the core section of motor is in motor housing 302.
In the present embodiment, the concrete structure without chain drive is as shown in figure 1, it is main by the first conical tooth
The 4, second angular wheel 5 of wheel, the second angular wheel 5, the second angular wheel 5 and power transmission shaft 8 are constituted.Wherein：
First angular wheel 4 is coaxially fixed on axis 2, and the two can be split-type structural, can also be made of one formula knot
Structure.
Second angular wheel 5 is coaxially set in outside electric machine main shaft 301 and can rotated around electric machine main shaft 301, and
Second angular wheel 5 is connected (in the present embodiment, the two specifically sees below to be indirectly connected with) with motor housing 302.
Triconic gear 6 is connected with the engagement of the first angular wheel 4, and the 4th angular wheel 7 is nibbled with the second angular wheel 5
Close connection.
Power transmission shaft 8 is fixedly connected between the angular wheel 7 of triconic gear 6 and the 4th, and power transmission shaft 8 and the 3rd
The angular wheel 7 of angular wheel 6 and the 4th is coaxially arranged, i.e., three is coaxially arranged and interfixes.
During practical application, install foot-operated in the two ends connecting crank of axis 2, and on crank, the motor of rear-guard wheel hub motor 3
Shell (being used as the wheel hub of vehicle rear wheel) is coaxially connected with vehicle rear wheel.Bicyclist trample it is foot-operated and by crank handle turns axis 2
Rotation, axis 2 is rotated by the above-mentioned motor housing 302 without chain drive drive rear-guard wheel hub motor 3 again, motor housing
302 rotate with motor vehicle rear wheel and make vehicle forward again.
In order to ensure the above-mentioned structural stability without chain drive, while avoiding power transmission shaft 8 directly exposed in environment
In there is potential safety hazard, the present embodiment is also provided with the axle sleeve being connected on vehicle frame 1, and power transmission shaft 8 is rotated by spring bearing 9
It is arranged in the axle sleeve.
In the present embodiment, an above-mentioned axle sleeve not monolithic construction, but by being then detachably connected successively from preceding
Preceding cover of driver 10, preceding connecting seat 11, sleeve pipe 12, rear connecting seat 13 and rear cover of driver 14 are constituted, wherein, preceding cover of driver 10
Fixed with rear cover of driver 14 with vehicle frame 1, and institute is separated between preceding connecting seat 11, sleeve pipe 12 and rear connecting seat 13 and vehicle frame 1
Preceding cover of driver 10 and rear cover of driver 14 are stated, preceding connecting seat 11, sleeve pipe 12 and rear connecting seat 13 are not directly connected with vehicle frame 1.
The axle sleeve uses this split interconnection system structure, primarily to the assembling without each parts on chain drive.
Further, mode is detachably connected for screw thread between above-mentioned preceding connecting seat 11, sleeve pipe 12 and rear connecting seat 13
Connection, specifically：Sleeve pipe 12 and preceding connecting seat 11 are by the external screw thread on the front end outer tube wall of sleeve pipe 12 and before being located at
What the screw-internal thread fit in connecting seat 11 was connected, sleeve pipe 12 passes through on the rear end outer tube wall of sleeve pipe 12 with rear connecting seat 13
What external screw thread and the screw-internal thread fit in rear connecting seat 13 were connected.Also, the external screw thread on sleeve pipe 12 on the outer tube wall of front end
With the external thread rotary on sleeve pipe 12 on the outer tube wall of rear end to before on the contrary, so, only need rotating casing 12, just can make connecting seat 11
With rear connecting seat 13 it is close to each other/be located remotely from each other, so may be such that this without chain drive after be assembled on vehicle frame it is small
Width adjusts the length of axle sleeve.
The axis mounting hole of a lateral direction penetrating is formed with above-mentioned preceding cover of driver 10, above-mentioned axis 2 passes through spring bearing 9
Rotation is arranged in the axis mounting hole.
In addition, the torque sensor 15 between the axis and preceding cover of driver 10 is there is also mounted on the axis 2, should
Torque sensor 15 is connected by circuit with the circuit of rear-guard wheel hub motor 3.During practical application, the torque sensor 15 can sense
The torsional moment that axis 2 is subject to, and the axis torsional moment size that is sensed according to it adjusts the output of rear-guard wheel hub motor 3
Power.
Above-mentioned torque sensor 15 is Hall torque sensor, and it mainly by the magnet ring that is fixed on axis 2 and passes through
The Hall subassembly that torsional deflection sleeve pipe is fixed on axis is constituted, and the induction end of wherein Hall subassembly faces magnet ring arrangement.
In order to prevent in vehicle travel process, after vehicle rear wheel drive motor shell is rotated, rotary motion can be transmitted
To axis 2, and then make crank and foot-operated transfer, so the present embodiment is in second angular wheel 5 and the motor housing
An one-way clutch 16, i.e. the second angular wheel 5 are provided between 302 to be made outside by the one-way clutch 16 and the motor
Shell 302 connected (being not directly connected).In the present embodiment, the one-way clutch 16 specifically uses click clutch, can
Outsourcing.
It is with traditional electric bicycle fame identical, the also chain stay 101 including vehicle, the connection of vehicle frame 1 of the present embodiment
In the anterior Five-way tube 102 of the chain stay and the rear hook 103 at chain stay rear portion is connected to, wherein, above-mentioned preceding cover of driver 10 is worn
In the Five-way tube 102 and the two is locked, electric machine main shaft 301 is locked on hook 103 in the rear.
Above-described embodiment is only to illustrate technical concepts and features of the present utility model, and its object is to people can understand
Content of the present utility model is simultaneously implemented according to this, and protection domain of the present utility model can not be limited with this.It is all new according to this practicality
Equivalent transformation or modification that the Spirit Essence of type main technical schemes is done, should all cover protection domain of the present utility model it
It is interior.
Claims (10)
1. a kind of electric bicycle transmission device, including：
Be rotatably connected is used for the axis (2) of connecting crank on the vehicle frame (1) of electric bicycle and its two ends；And
On the vehicle frame (1) and positioned at the rear-guard wheel hub motor (3) at the axis (2) rear；
Characterized in that, the axis (2) with the rear-guard wheel hub motor (3) by being connected without chain drive.
2. electric bicycle transmission device according to claim 1, it is characterised in that rear-guard wheel hub motor (3) bag
Include motor housing (302) and rotate the electric machine main shaft (301) being arranged in the motor housing, electric machine main shaft (301) lock
Fasten on the vehicle frame (1), it is described to include without chain drive：
Coaxially it is fixed on the first angular wheel (4) on the axis (2)；
Coaxial rotating is set in the second angular wheel that the electric machine main shaft (301) is connected outside and with the motor housing (302)
(5)；
The triconic gear (6) being connected is engaged with first angular wheel (4)；
The 4th angular wheel (7) being connected is engaged with second angular wheel (5)；And
It is fixedly connected on the power transmission shaft (8) between the triconic gear and the 4th angular wheel, and the transmission
Axle (8) and the triconic gear (6) and the 4th angular wheel (7) are coaxially arranged.
3. electric bicycle transmission device according to claim 2, it is characterised in that described also to be wrapped without chain drive
The axle sleeve being connected on the vehicle frame (1) is included, the power transmission shaft (8) is by spring bearing (9) rotary setting in the axle sleeve.
4. electric bicycle transmission device according to claim 3, it is characterised in that the axle sleeve by from it is preceding then successively
Preceding cover of driver (10), preceding connecting seat (11), sleeve pipe (12), rear connecting seat (13) and the rear cover of driver (14) being detachably connected
Constitute, the preceding cover of driver (10) and the rear cover of driver (14) are fixed with the vehicle frame (1).
5. electric bicycle transmission device according to claim 4, it is characterised in that described sleeve pipe (12) with it is described before
Connecting seat (11) passes through the interior internal thread spiral shell set of the external screw thread and preceding connecting seat (11) that are set on the outer tube wall of sleeve pipe (12) front end
Line is connected, described sleeve pipe (12) and the rear connecting seat (13) by the external screw thread that is set on the outer tube wall of sleeve pipe (12) rear end and after
The internal thread threaded connection set in connecting seat (13), and external screw thread in described sleeve pipe (12) on the front end outer tube wall with
External screw thread in described sleeve pipe (12) on the rear end outer tube wall is oppositely oriented.
6. electric bicycle transmission device according to claim 4, it is characterised in that the interior shape of the preceding cover of driver (10)
The axis mounting hole of Cheng Youyi lateral direction penetratings, the axis (2) is arranged in the axis mounting hole by spring bearing (9) rotation
In.
7. electric bicycle transmission device according to claim 6, it is characterised in that be provided with position on the axis (2)
Torque sensor (15) between the axis and the preceding cover of driver (10), the torque sensor (15) and the rear-guard
Wheel hub motor (3) circuit is connected.
8. electric bicycle transmission device according to claim 2, it is characterised in that second angular wheel (5) is led to
An one-way clutch (16) is crossed with the motor housing (302) to be connected.
9. electric bicycle transmission device according to claim 6, it is characterised in that described vehicle frame (1) includes chain stay
(101), it is connected to the anterior Five-way tube (102) of the chain stay and is connected to the rear hook (103) at the chain stay rear portion, it is described
Preceding cover of driver (10) is arranged in the Five-way tube (102) and is locked, and the electric machine main shaft (301) is locked in institute
State on rear hook (103).
10. a kind of electric bicycle, including vehicle frame (1), it is characterised in that also including as described in any in claim 1~9
Electric bicycle transmission device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621340553.2U CN206501974U (en) | 2016-12-08 | 2016-12-08 | Electric bicycle transmission device and the electric bicycle with the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621340553.2U CN206501974U (en) | 2016-12-08 | 2016-12-08 | Electric bicycle transmission device and the electric bicycle with the device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206501974U true CN206501974U (en) | 2017-09-19 |
Family
ID=59843407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621340553.2U Active CN206501974U (en) | 2016-12-08 | 2016-12-08 | Electric bicycle transmission device and the electric bicycle with the device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206501974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106672159A (en) * | 2016-12-08 | 2017-05-17 | 郭文泰 | Electric bicycle transmission device and electric bicycle with same |
-
2016
- 2016-12-08 CN CN201621340553.2U patent/CN206501974U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106672159A (en) * | 2016-12-08 | 2017-05-17 | 郭文泰 | Electric bicycle transmission device and electric bicycle with same |
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| GR01 | Patent grant |