CN206049952U - Motor is driven in auxiliary power of electric bicycle - Google Patents
Motor is driven in auxiliary power of electric bicycle Download PDFInfo
- Publication number
- CN206049952U CN206049952U CN201620951034.3U CN201620951034U CN206049952U CN 206049952 U CN206049952 U CN 206049952U CN 201620951034 U CN201620951034 U CN 201620951034U CN 206049952 U CN206049952 U CN 206049952U
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- Prior art keywords
- clutch
- motor
- sideslip
- spindle
- decelerator
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Abstract
This utility model drives motor in being related to auxiliary power of electric bicycle, including pedal spindle, sideslip clutch nut, clutch inner spindle, decelerator, one-way clutch and motor, sideslip clutch nut sleeve is on pedal spindle, and be connected with motion thread with pedal spindle, the side of sideslip clutch nut is fixedly connected with endless chain transmission for bicycle；Clutch inner spindle is sheathed on pedal spindle, and the clutch inner spindle side relative with sideslip clutch nut is provided with the first inclined-plane, and sideslip clutch nut is provided with the second inclined-plane matched with the first inclined-plane away from the side of endless chain transmission for bicycle；The output shaft of motor is connected with clutch inner spindle by decelerator, and one-way clutch is installed between decelerator and clutch inner spindle.The application adopts sideslip clutch nut and one-way clutch, makes motor freely switch clutch with endless chain transmission for bicycle according to the practical situation that manpower is trampled in the form of auxiliary power, realizes two-way clutch；After only manpower tramples linkage, motor can just export auxiliary force, safe.
Description
Technical field
This utility model is related to electric bicycle field, drives motor in more particularly to a kind of auxiliary power of electric bicycle.
Background technology
As electric bicycle is increasingly popularized, people put forward higher requirement to its structure and power performance.According to
The difference of motor home be generally divided into pre-driver, rearmounted driving and in put driving.It is familiar with for people
In put driving, which has the advantage that：Magnetic resistance is relatively low, more laborsaving compared with pre-driver and rearmounted driving；Can be using at a high speed
Motor, therefore small volume light weight can be accomplished, after slowing down using reducing gear, larger output torque can be obtained, be suitable to climbing；
In addition, built-in motor is convenient for installation and maintenance, thus in put driving and be widely used more and more.
But, it is existing in put driving and there is also many weak points：First, motor is trampled independently to tooth with manpower
Disk is controlled, and pedal spindle difficult to realize is coaxial with motor shaft, is unfavorable for installing and safeguards；Second, it is to realize cutting for driving force
Change, typically can increase between pedal spindle and motor shaft after one-way clutch, i.e. manpower trample beginning, motor output power, and people
When power tramples stopping, because can not stop output the reason for inertia immediately, safety is poor for motor；3rd, when manpower actively adds
Speed, when motor output power is trampled less than manpower, manpower trample need exert a force drive motor rotation, cause it is extra exert oneself, instead
And increased manpower burden.
Utility model content
This utility model drives motor in providing a kind of auxiliary power of electric bicycle, to solve above-mentioned technical problem.
To solve above-mentioned technical problem, this utility model drives motor in providing a kind of auxiliary power of electric bicycle, including
Pedal spindle, sideslip clutch nut, clutch inner spindle, decelerator, one-way clutch and motor, wherein,
The sideslip clutch nut sleeve is on the pedal spindle, and is connected with motion thread with the pedal spindle, described
The side of sideslip clutch nut is fixedly connected with endless chain transmission for bicycle；
The clutch inner spindle is sheathed on the pedal spindle, the clutch inner spindle and the sideslip clutch nut
Relative side is provided with the first inclined-plane, and the sideslip clutch nut is provided with and described first away from the side of the endless chain transmission for bicycle
Second inclined-plane of inclined-plane matching；
The output shaft of the motor is connected with the clutch inner spindle by the decelerator, the one-way clutch peace
Loaded between the decelerator and the clutch inner spindle.
It is preferred that speed magnet steel disk is fixed with the pedal spindle, on electric machine casing, be fixed with Hall element, it is described suddenly
Your sensor detects the magnetic signal of the speed magnet steel disk.
It is preferred that the decelerator adopts worm type of reduction gearing, including worm and worm wheel, the worm screw and the motor
Output shaft be fixedly connected, the worm gear set is in the clutch inner spindle.
It is preferred that the one-way clutch is using the ratchet being fixed in the clutch inner spindle, the worm gear it is interior
Circumference is provided with unidirectional ratchet, and the position of the ratchet is corresponding with the ratchet.
It is preferred that the decelerator adopts worm reducer, planet wheel decelerator or planet-cycloid reducer.
It is preferred that first inclined-plane and the second inclined-plane are matsurface.
It is preferred that the pedal spindle is connected by trapezoidal thread with the sideslip clutch nut.
Compared with prior art, motor is driven in the auxiliary power of electric bicycle that this utility model is provided with following excellent
Point：
1. the output power of motor is delivered to clutch inner spindle using decelerator and one-way clutch by this utility model,
Recycle pedal spindle relative to sideslip clutch nut rotate against and endless chain transmission for bicycle reversal interlocking relay, by sideslip clutch nut
Move axially to be brought into close contact with clutch inner spindle (i.e. the first inclined-plane and the second inclined-plane), so that motor is with auxiliary power
Form freely switches clutch with endless chain transmission for bicycle according to the practical situation that manpower is trampled, and reaches real two-way clutch effect；
2. middle drive motor of the present utility model can be applicable to pure power-assisted and ride, because endless chain transmission for bicycle it is solid with sideslip clutch nut
It is fixed to connect, and sideslip clutch nut is to be threaded connection realization transmission with pedal spindle, when pedal spindle drives forwards, break away from
Close nut and be engaged linkage with clutch inner spindle, now due to the effect of one-way clutch, make the output shaft of motor not with from
Clutch inner spindle link, only when electric machines test is to enabling signal, the output shaft of motor can just operate, at the same can also drive from
Clutch inner spindle links, now because sideslip clutch nut and clutch inner spindle are also in the linkage status that manpower is trampled, institute
Output is trampled with manpower and motor is exported while effect；And after only manpower tramples linkage, motor is just understood real by power output
It is delivered on sideslip clutch nut, the so just real auxiliary power effect for embodying motor；
3., when manpower tramples stopping, because sideslip clutch nut is not affected by screw thread lateral thrust when manpower is trampled, break away
Clutch nut is automatically separated with clutch inner spindle；Meanwhile, because Hall element is not detected by the magnetic signal of speed magnet steel disk, close
Close motor, and make motor mechanically with it is automatically controlled on stop output immediately, improve transporting for safety coefficient and electric bicycle
Dynamic property, it is when manpower tramples stopping, if motor continues to output power, both dangerous and be unfavorable for riding for the purpose of auxiliary power
OK.
Description of the drawings
Structural representations of the Fig. 1 for drive motor in auxiliary power of electric bicycle in one specific embodiment of this utility model
(not including motor)；
Fig. 2 is the structural representation of motor and decelerator in one specific embodiment of this utility model；
Fig. 3 is the clutch process schematic of sideslip clutch nut in one specific embodiment of this utility model；
Fig. 4 is the non-linkage status schematic diagram of two kinds of type of drive in one specific embodiment of this utility model；
Fig. 5 is the linkage status schematic diagram of two kinds of type of drive in one specific embodiment of this utility model.
In figure：10- pedal spindles, 20- sideslip clutch nuts, 21- trapezoidal threads, the second inclined-planes of 22-, 30- clutch inner cores
Axle, the first inclined-planes of 31-, 41- worm screws, 42- worm gears, 51- ratchets, 52- ratchets, 60- motors, 61- output shafts, 70- electric machine casings,
71- speed magnet steel disks, 72- Hall elements, 80- endless chain transmission for bicycle, 81- chain wheel supports.
Specific embodiment
It is understandable to enable above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with the accompanying drawings to this
The specific embodiment of utility model is described in detail.It should be noted that, this utility model accompanying drawing is in the form of simplification
And non-accurately ratio is used, only to purpose that is convenient, lucidly aiding in illustrating this utility model embodiment.
Motor is driven in the auxiliary power of electric bicycle that this utility model is provided, as depicted in figs. 1 and 2, including pedal spindle
10th, sideslip clutch nut 20, clutch inner spindle 30, decelerator, one-way clutch and motor 60, wherein,
The sideslip clutch nut 20 is sheathed on the pedal spindle 10, and is connected with motion thread with the pedal spindle 10
Connect, in the present embodiment, the pedal spindle 10 is connected by trapezoidal thread 21 with the sideslip clutch nut 20, the sideslip clutch
The side of nut 20 is fixedly connected with endless chain transmission for bicycle 80 by chain wheel support 81；
The clutch inner spindle 30 is sheathed on the pedal spindle 10, and is connected with the pedal spindle 10 by bearing,
The side relative with the sideslip clutch nut 20 of the clutch inner spindle 30 is provided with the first inclined-plane 31, the sideslip clutch spiral shell
Mother 20 is provided with the second inclined-plane 22 matched with first inclined-plane 31 away from the side of the endless chain transmission for bicycle 80, as shown in Figure 3；
The output shaft 61 of the motor 60 is connected with the clutch inner spindle 30 by the decelerator, it is described it is unidirectional from
Clutch is installed between the decelerator and the clutch inner spindle 30.
It is preferred that asking emphasis to refer to Fig. 1, speed magnet steel disk 71, the speed magnet steel disk on the pedal spindle 10, are fixed with
71 with 10 synchronous averaging of the pedal spindle and stopping, Hall element 72, the Hall element are fixed with electric machine casing 70
72 magnetic signals for detecting the speed magnet steel disk 71 are simultaneously transferred to the motor 60, used as the controlling switch of motor 60.Work as manpower
When trampling stopping, motor 60 stops output immediately, improves the movement of safety coefficient and electric bicycle, when manpower is trampled
Stop, it is if motor 60 continues to output power, both dangerous and be unfavorable for riding for the purpose of auxiliary power.
Please emphasis refer to Fig. 3 to Fig. 5, the motor process and stress of each part during bicycle running is described in detail below
Situation：
Please emphasis refer to Fig. 3, when manpower tramples pedal spindle 10 to be rotated forward, the resistance in bicycle running is to bicycle
Chain wheel 80 and sideslip clutch nut 20 apply reverse pulling force, at the same pedal spindle 10 under the driving of manpower relative to sideslip clutch
Nut 20 produces relative rotation, therefore, sideslip clutch nut 20 is close to clutch inner spindle 30 in the presence of screw thread, moves
In power transmittance process such as Fig. 4 shown in dotted arrow direction, until the first inclined-plane 31 and the second inclined-plane 22 are brought into close contact；Continuing with ginseng
Fig. 4 is examined, before the first inclined-plane 31 and the second inclined-plane 22 are fitted, although Hall element 72 has been detected by speed magnet steel disk 71
Rotation and motor 60 rotate, but as clutch inner spindle 30 is not linked with sideslip clutch nut 20, therefore, motor
60 output power cannot be transferred to endless chain transmission for bicycle 80, solid arrow direction institute in the power transmission process such as Fig. 4 of motor 60
Show；
As shown in figure 5, after the first inclined-plane 31 and the second inclined-plane 22 are brought into close contact, as sideslip clutch nut 20 cannot be after
It is continuous to slide to the left, can only realize that manpower tramples the driving to endless chain transmission for bicycle 80 with 10 synchronous rotary of pedal spindle, what manpower was trampled
In power transmission process such as Fig. 5 shown in dotted arrow direction, simultaneously as motor 60 is opened to have begun to export power, pass through
The decelerator drives the clutch inner spindle 30 to rotate by one-way clutch after slowing down, and now the first inclined-plane 31 and the
Two inclined-planes 22 are brought into close contact realization linkage, therefore, the output power of motor 60 can be transferred to the endless chain transmission for bicycle 80, be manpower
Provided auxiliary of riding power-assisted, in the power transmission process such as Fig. 5 of motor shown in solid arrow direction, now manpower is trampled and motor
Output drives bicycle to advance forward simultaneously；
During bicycle running, when artificial speed-raising, when making the speed that manpower is trampled be more than 60 rotating speed of motor, ratchet 52
Rotating speed surmount the rotating speed of ratchet 51, decelerator is departed from clutch inner spindle 30, it is to avoid manpower demand's drive motor 60 rotates,
And then increase it is extra exert oneself, increase is ridden burden；
When artificially slowing down or not needing 60 provided auxiliary power of motor, the speed that manpower is trampled is made to be less than 60 rotating speed of motor
When, screw thread lateral thrust when being trampled by manpower because of sideslip clutch nut 20 reduces, and makes sideslip clutch nut 20 and clutch
Inner spindle 30 is automatically separated, although now motor 60 still exports power, due to sideslip clutch nut 20 and clutch inner core
The disengaging of axle 30 so that the power of the output of motor 60 can not be transferred to endless chain transmission for bicycle 80, and now only manpower tramples driving voluntarily
Herba Plantaginis enter；
When manpower tramples stopping, because Hall element 72 is not detected by the magnetic signal of speed magnet steel disk 71, so motor 60
Close；Now motor 60 can continue to drive 30 spin for some time of clutch inner spindle the reason for inertia；But, because of sideslip clutch
Nut 20 is not affected by screw thread lateral thrust when manpower is trampled, and sideslip clutch nut 20 is automatically separated with clutch inner spindle 30,
Sideslip clutch nut 20 recovers the state to startup under the pulling force of endless chain transmission for bicycle 80, therefore, motor 60 is former due to inertia
The continuation rotation of cause will not be transferred to sideslip clutch nut 20.Guarantee motor 60 in mechanical aspects and automatically controlled aspect while stopping defeated
Go out, improve the movement of safety coefficient and electric bicycle, when manpower tramples stopping, if motor continues to output power, both
It is dangerous be also unfavorable for for the purpose of auxiliary power ride.Therefore this utility model is not in that manpower tramples stopping, motor
60 situations for continuing to output power, this utility model is safe and is more beneficial for riding for the purpose of auxiliary power.
It is preferred that asking emphasis to refer to Fig. 1 and Fig. 2, the decelerator adopts worm type of reduction gearing, to obtain larger turning
Square, specifically includes worm screw 41 and worm gear 42, and the worm screw 41 is fixedly connected with the output shaft 61 of the motor 60, the worm gear 42
Be sheathed in the clutch inner spindle 30, certainly, the decelerator can also using worm reducer, planet wheel decelerator or
The decelerator of the other forms such as planet-cycloid reducer, realizes 60 deceleration purpose of motor.
It is preferred that the one-way clutch is using the ratchet 51 being fixed in the clutch inner spindle 30, the worm gear
42 inner periphery is provided with unidirectional ratchet 52, and in the application, ratchet 52 is integrally formed with worm gear 42, the position of the ratchet 51
It is corresponding with the ratchet 52, using ratchet 52 and the cooperation of ratchet 51, realize the clutch of motor 60 and clutch inner spindle 30.
It is preferred that please continue to refer to Fig. 3, first inclined-plane 31 and the second inclined-plane 22 are matsurface, specifically, described
First inclined-plane 31 and the second inclined-plane 22 can adopt simple extruding contact to realize linkage, naturally it is also possible to using more coarse
Profile of tooth is contacted, to increase frictional force therebetween.
In sum, motor, including pedal spindle 10, sideslip are driven in the auxiliary power of electric bicycle that this utility model is provided
Clutch nut 20, clutch inner spindle 30, decelerator, one-way clutch and motor 60, wherein, the sideslip clutch nut 20
It is sheathed on the pedal spindle 10, and is driven to be threadedly coupled with the pedal spindle 10, the side of the sideslip clutch nut 20
It is fixedly connected with endless chain transmission for bicycle 80；The clutch inner spindle 30 is sheathed on the pedal spindle 10, the clutch inner core
The side relative with the sideslip clutch nut 20 of axle 30 is provided with the first inclined-plane 31, the sideslip clutch nut 20 away from it is described from
The side of driving chain wheel 80 is provided with the second inclined-plane 22 matched with first inclined-plane 31；The output shaft 61 of the motor 60 passes through
The decelerator is connected with the clutch inner spindle 30, and the one-way clutch is installed on the decelerator with the clutch
Between inner spindle 30.Sideslip clutch nut 20 and one-way clutch are adopted in this utility model, motor 60 are made with auxiliary power
Form freely switches clutch with endless chain transmission for bicycle 80 according to the practical situation that manpower is trampled, and reaches real two-way clutch effect
Really；After only manpower tramples linkage, motor 60 can just export auxiliary force, the real auxiliary power effect for embodying motor 60,
It is safe.
Obviously, those skilled in the art can carry out various changes to utility model and modification is new without deviating from this practicality
The spirit and scope of type.So, if it is of the present utility model these modification and modification belong to this utility model claim and its
Within the scope of equivalent technologies, then this utility model is also intended to including including these changes and modification.
Claims (7)
1. motor is driven in a kind of auxiliary power of electric bicycle, it is characterised in that including pedal spindle, sideslip clutch nut, clutch
Device inner spindle, decelerator, one-way clutch and motor, wherein,
The sideslip clutch nut sleeve is on the pedal spindle, and is connected with motion thread with the pedal spindle, the sideslip
The side of clutch nut is fixedly connected with endless chain transmission for bicycle；
The clutch inner spindle is sheathed on the pedal spindle, and the clutch inner spindle is relative with the sideslip clutch nut
Side be provided with the first inclined-plane, the sideslip clutch nut is provided with and first inclined-plane away from the side of the endless chain transmission for bicycle
Second inclined-plane of matching；
The output shaft of the motor is connected with the clutch inner spindle by the decelerator, and the one-way clutch is installed on
Between the decelerator and the clutch inner spindle.
2. motor is driven in auxiliary power of electric bicycle as claimed in claim 1, it is characterised in that fixed on the pedal spindle
There is speed magnet steel disk, on electric machine casing, be fixed with Hall element, the Hall element detects the magnetic of the speed magnet steel disk
Signal.
3. motor is driven in auxiliary power of electric bicycle as claimed in claim 1, it is characterised in that the decelerator adopts snail
Worm and gear decelerator, including worm and worm wheel, the worm screw are fixedly connected with the output shaft of the motor, and the worm gear set is located at
In the clutch inner spindle.
4. motor is driven in auxiliary power of electric bicycle as claimed in claim 3, it is characterised in that the one-way clutch is adopted
With the ratchet being fixed in the clutch inner spindle, the inner periphery of the worm gear is provided with unidirectional ratchet, the ratchet
Position is corresponding with the ratchet.
5. motor is driven in auxiliary power of electric bicycle as claimed in claim 1, it is characterised in that the decelerator adopts snail
Wheel decelerator, planet wheel decelerator or planet-cycloid reducer.
6. motor is driven in auxiliary power of electric bicycle as claimed in claim 1, it is characterised in that first inclined-plane and
Two inclined-planes are matsurface.
7. drive motor in auxiliary power of electric bicycle as claimed in claim 1, it is characterised in that the pedal spindle with it is described
Sideslip clutch nut is connected by trapezoidal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620951034.3U CN206049952U (en) | 2016-08-25 | 2016-08-25 | Motor is driven in auxiliary power of electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620951034.3U CN206049952U (en) | 2016-08-25 | 2016-08-25 | Motor is driven in auxiliary power of electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206049952U true CN206049952U (en) | 2017-03-29 |
Family
ID=58381643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620951034.3U Expired - Fee Related CN206049952U (en) | 2016-08-25 | 2016-08-25 | Motor is driven in auxiliary power of electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206049952U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218802A (en) * | 2016-08-25 | 2016-12-14 | 左俊 | Auxiliary power of electric bicycle drives motor |
| CN109625151A (en) * | 2019-01-21 | 2019-04-16 | 东莞市京橙电机科技有限公司 | Manpower driving structure damper and vehicle using motor are set in one kind |
-
2016
- 2016-08-25 CN CN201620951034.3U patent/CN206049952U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218802A (en) * | 2016-08-25 | 2016-12-14 | 左俊 | Auxiliary power of electric bicycle drives motor |
| CN109625151A (en) * | 2019-01-21 | 2019-04-16 | 东莞市京橙电机科技有限公司 | Manpower driving structure damper and vehicle using motor are set in one kind |
| CN109625151B (en) * | 2019-01-21 | 2024-05-17 | 东莞市京橙电机科技有限公司 | Centrally-mounted manpower-driven structural damper and moped |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20190825 |