CN107651094A - In put the separator of falling brake and electric bicycle of electric bicycle - Google Patents
In put the separator of falling brake and electric bicycle of electric bicycle Download PDFInfo
- Publication number
- CN107651094A CN107651094A CN201711036092.9A CN201711036092A CN107651094A CN 107651094 A CN107651094 A CN 107651094A CN 201711036092 A CN201711036092 A CN 201711036092A CN 107651094 A CN107651094 A CN 107651094A
- Authority
- CN
- China
- Prior art keywords
- block
- screw mandrel
- clutch
- clutch block
- separator
- 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.)
- Granted
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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
- B62M6/45—Control or actuating devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L5/00—Brakes, or actuating mechanisms therefor, controlled by back-pedalling
- B62L5/006—Details
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Transmission Devices (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
- Braking Arrangements (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides the separator of falling brake that electric bicycle is put in a kind of.Being somebody's turn to do the separator of falling brake includes screw mandrel, clutch block and clutch block block, the screw mandrel is arranged on axis, the clutch block is enclosed in the clutch connection portion of the screw mandrel, the side of the clutch block is fixedly connected with sprocket support, the inner ring of the clutch block and the outer ring in the clutch connection portion of the screw mandrel coordinate in screw thread, and outer ring and the motor output of the clutch block are in frictional fit；Also, the opposite side of the clutch block is provided with clutch block block, the clutch block block is connected with the screw mandrel, and the external diameter of the clutch block block is more than the external diameter in the clutch connection portion of the screw mandrel.By the way that clutch block block is connected with screw mandrel, the external diameter of clutch block block is more than the external diameter with the clutch connection portion of screw mandrel, has fettered shift length of the clutch block on screw mandrel, has effectively prevented clutch block from being come off on screw mandrel.Present invention simultaneously discloses a kind of electric bicycle using the separator of falling brake.
Description
Technical field
The present invention relates to electric bicycle technical field, be related to it is a kind of in put the separator of falling brake of electric bicycle, and
Use the electric bicycle of the separator of falling brake.
Background technology
The technology of the falling brake application of present bicycle is more and more wider, by the wheel hub of falling brake, pedal is reversely stepped on, chain is anti-
To motion, the driving wheel hub of falling brake carries out skidding.In the prior art, the skidding technology also has tasting on electric car
Examination, exported by detecting the signal of falling brake to cut off the motor of electric car, motor inertia force is avoided not by setting clutch block
Profit influences, and then by reversely stepping on pedal, so as to realize fast braking, Fig. 1, Fig. 2 is respectively outer ring and the electricity of clutch block
Machine output par, c from contact when structural representation.
It is in rotary moving due to clutch block however, this wheel hub of falling brake is in use, cause clutch during stopping
Block can carry out radial displacement relative to axis, if shift length is excessive, it may occur that part comes off on screw mandrel.At present, it is solution
Above mentioned problem, it will usually jump ring is set in screw mandrel end, to avoid the electric bicycle caused by the coming off of clutch block from damaging
Phenomenon, however, because clutch block radial load is larger, after long-term use of wheel hub of falling brake, it may occur that jump ring stress deformation even comes off
Phenomenon, especially, if in ride occur jump ring come off and do not know, it will cause coming off for attachments of a bicycle, sternly
It is out of control that bicycle can occur in the case of weight, cause the accident, the riding safety of serious threat bicyclist.
The content of the invention
It is an object of the invention to for above-mentioned the deficiencies in the prior art, there is provided the brake of falling of electric bicycle is put in a kind of
Separator, and the electric bicycle using the separator of falling brake.
To achieve the above object, present invention employs following technical scheme：
The invention provides the separator of falling brake that electric bicycle is put in a kind of, including screw mandrel, clutch block and clutch block
Block, the screw mandrel are arranged on axis, and the clutch block is enclosed in the clutch connection portion of the screw mandrel, and the one of the clutch block
Side is fixedly connected with sprocket support, and the inner ring of the clutch block and the outer ring in the clutch connection portion of the screw mandrel coordinate in screw thread,
The outer ring of the clutch block and motor output are in frictional fit；Also,
The opposite side of the clutch block is provided with clutch block block, and the clutch block block is connected with the screw mandrel, and institute
State external diameter of the external diameter more than the clutch connection portion of the screw mandrel of clutch block block.
Further, the clutch block block is integrally formed with the screw mandrel.
Further, the clutch block block includes preceding latter linked hollow shaft and back-up ring, the hollow shaft and institute
The block axis hole that insertion is provided with back-up ring and is sleeved on the axis is stated,
The hollow shaft is connected with the screw mandrel, and the external diameter of the back-up ring is more than the outer of the clutch connection portion of the screw mandrel
Footpath.
Further, the hollow shaft is connected with the wire rod thread.
Further, block keyway is provided with the block axis hole, is provided with the axis and the block keyway
Adaptable block key.
Further, the screw mandrel is provided with shoulder hole, the side that the shoulder hole is relatively large in diameter and the clutch block
Hollow shaft outside connection, the less side of ladder bore dia and the middle axis connection.
Further, the side that the shoulder hole is relatively large in diameter is provided with internal thread, the hollow shaft of the clutch block
Outside be provided with the external screw thread being matched therewith.
Further, the less side of ladder bore dia is provided with screw mandrel keyway, be additionally provided with the axis with
The corresponding screw mandrel key of the screw mandrel keyway；
The screw mandrel keyway is corresponding with the block keyway and forms overall keyway,
The screw mandrel key is corresponding with the block key and forms overall key,
The overall keyway is engaged with the overall key.
Further, the block keyway is spline.
Present invention also offers a kind of electric bicycle, realizes to fall to stop which employs the above-mentioned separator of falling brake.
Using above-mentioned technical proposal, the present invention is by the way that clutch block block is connected with screw mandrel, the external diameter of clutch block block
More than the external diameter in the clutch connection portion with screw mandrel, fettered shift length of the clutch block on screw mandrel, effectively prevent clutch block from
Come off on screw mandrel；Meanwhile clutch block block and screw mandrel are connected firmly, while the demand of falling braking is met, ensure electronic
The stability and security that bicycle uses.
Brief description of the drawings
Fig. 1 is the structural representation that the outer ring of the clutch block of the separator of falling brake of prior art separates with motor output
Figure；
Fig. 2 is the structural representation that the outer ring of the clutch block of the separator of falling brake of prior art contacts with motor output
Figure；
Fig. 3, Fig. 4 are the structural representation of the electric bicycle separator of the falling brake relevant portion of one embodiment of the invention；
Fig. 5, Fig. 6, Fig. 7 are that the structure of the electric bicycle separator of the falling brake relevant portion of further embodiment of this invention is shown
It is intended to.
Wherein：1st, screw mandrel；2nd, clutch block；3rd, left axle；4th, right axle；5th, motor output；6th, sprocket support；7th, crank connects
End；8th, single direction ratchet；9th, rotor；10th, single shaft；11st, clutch block block；12nd, motor coupling portion；13rd, clutch connection portion；
14th, hollow shaft；15th, back-up ring；16th, block axis hole.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with the accompanying drawings and embodiment, it is right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
Such as Fig. 3, shown in Fig. 4, present embodiments provide it is a kind of in put the separator of falling brake of electric bicycle, including screw mandrel
1st, clutch block 2 and clutch block block 11, the screw mandrel 1 are arranged on axis, and the clutch block 2 is enclosed on the clutch of the screw mandrel 1
On connecting portion 13, the side of the clutch block 2 is fixedly connected with sprocket support 6, the inner ring of the clutch block 2 and the screw mandrel 1
The outer ring in clutch connection portion 13 coordinate in screw thread, the outer ring of the clutch block 2 and motor output 5 are in frictional fit, clutch
The outer ring of block 2 is rubbing surface, and clutch block 2 and motor output 5 can be made closely in contact；Also, the clutch block 2 is another
Side is provided with clutch block block 11, and the clutch block block 11 is connected with the screw mandrel 1, and the external diameter of the clutch block block 11
More than the external diameter in the clutch connection portion 13 of the screw mandrel 1.
Specifically, screw mandrel 1 is socketed with motor output 5, and clutch block 2 is enclosed on screw mandrel 1, and is arranged on motor output 5
Side, the side of clutch block 2 can contact or separate with motor output 5, and motor output 5 is also arranged with motor coupling portion
12, be additionally provided with ratchet structure between motor coupling portion 12 and motor output 5, a part for the axis of motor coupling portion 12 with
The inner ring of screw mandrel 1 is slidably matched, and end is crank connection end 7, and certainly, axis also can use the combination axis of tiled configuration to substitute
Single shaft 10.
By the way that clutch block block 11 is connected with screw mandrel 1, the external diameter of clutch block block 11 is more than and screw mandrel 1 the present embodiment
Clutch connection portion 13 external diameter, fettered shift length of the clutch block 2 on screw mandrel 1, effectively prevented clutch block 2 from screw mandrel 1
On come off；Meanwhile clutch block block 11 and screw mandrel 1 are connected firmly, while the demand of falling braking is met, ensure it is electronic from
The stability and security that driving uses.
Preferably, the clutch block block 11 in above-described embodiment can be designed to be integrally formed with screw mandrel 1, improve screw mandrel 1
With the bonding strength of motor output 5, i.e. screw mandrel 1 can be made into the T-type structure with central shaft hole, by last with the axis body of screw mandrel 1
The projection being formed integrally is held to substitute clip spring structure, and matching thrust bearing so that the end of screw mandrel 1 as clutch block block 11
When clutch block block 11 can bear to ride, due to screw mandrel motion cause clutch block 2 be connected with motor output 5 caused by laterally
Power, solve the problems, such as that jump ring stress deformation comes off.
Screw mandrel 1 in above-described embodiment, can be single head or bull screw mandrel, it is preferred to use bull screw mandrel, it is advantageous that,
Only needing the anglec of rotation of very little just can quickly make clutch block 2 be in contact or separate with motor output 5.
Put in provided by the present invention in the separator of falling brake of electric bicycle, motor output 5 is exactly built-in motor
For driven by power by one-way clutch come a part driving, the part is connected to axis or screw mandrel outer ring by rolling
In a part, roll connection be typically with the mode of bearing or ball, the motor output when driven by power moves ahead with from
Close block 2 to contact, driving electric car moves ahead.
Further embodiment of this invention as shown in Fig. 5, Fig. 6, Fig. 7, unlike the embodiments abovely, clutch block block 11 with
The split settings of screw mandrel 1, specifically, clutch block block 11 include preceding latter linked hollow shaft 14 and back-up ring 15, the quill shaft
Be provided with insertion and the block axis hole 16 that is sleeved on the axis in portion 14 and the back-up ring 15, the hollow shaft 14 with
The screw mandrel 1 connects, and the external diameter of the back-up ring 15 is more than the external diameter in the clutch connection portion 13 of the screw mandrel 1 so that clutch block 2 is not
It can be come off by the one end of clutch block block 11.
As the preferred of above-described embodiment, the mode that the hollow shaft 14 of clutch block block 11 is connected through a screw thread is connected to
On screw mandrel 1, further, the screw mandrel 1 and the endoporus of clutch block block threaded connection place set internal thread, hollow shaft 14
Outer wall sets external screw thread, and the two is worked in coordination, and completes connection.
Preferably, to coordinate the threaded connection of above-described embodiment, and the structure more compact and reasonable of the present invention, screw mandrel 1 are made
Shoulder hole is provided with, the side that the shoulder hole is relatively large in diameter and the outside screw of the hollow shaft 14 of the clutch block 11 connect
Connect, the less side of ladder bore dia and the middle axis connection.
As the preferred of above-described embodiment, block keyway is provided with block axis hole 16, is provided with the axis and institute
State the adaptable block key of block keyway.It is further preferred that the less side of ladder bore dia is provided with screw mandrel keyway,
The screw mandrel key corresponding with the screw mandrel keyway is additionally provided with the axis；The screw mandrel keyway is relative with the block keyway
Overall keyway and should be formed, the screw mandrel key is corresponding with the block key and forms overall key, the overall keyway with it is described
Overall key is engaged, and after axis is inserted into, due to key connection, the rotation of clutch block block is locked out, can not rotational disengagement, protect
The synchronous rotary of clutch block block 11 and screw mandrel 1 is demonstrate,proved.
The block keyway of clutch block block 11 in above-described embodiment, can be single key slot or spline, preferably spline,
Spline is arranged to, in the range of ensure that clutch block block 11 rotates 60 degree in any direction, can necessarily be realized and screw mandrel 1
Screw mandrel keyway and clutch block block 11 block keyway alignment, so as to reduce assembly difficulty.
Clutch block block 11 in the structure realizes the distance restriction to the radial motion of clutch block 2, avoids and is falling to stop
During, due to excessively trampling so that the over-separation of clutch block 2 or drop, meanwhile, the clutch block block 11 to spin is connected by key
Stop is connect, therefore, the cooperation rotated by key connection and clutch block block 11, can easily adjust the stroke of falling brake of clutch block 2,
It is simple and reliable.In addition, in the production assembling process for the separator of falling brake, the clutch block block 11 and the screw thread of screw mandrel 1 are utilized
Connection, effectively prevents each part being socketed on screw mandrel to come off, and reduces packaging technology difficulty.
Embodiment 1
As illustrated in figs. 5-7, electric bicycle is put in one kind, its separator of falling brake employs clutch block block 11 and screw mandrel
The structure of 1 split.Its axis is left and right axle construction, is combined by left axle 3 and right axle 4.A part for right axle 4 and screw mandrel 1
Inner ring is slidably matched, and end is crank connection end 7, and another part is inserted inside left axle 3, and the end of the insertion portion and a left side
The inside of axle 3 is fixedly connected.Left crank is installed in the one end of left axle 3, and another part is enclosed in described right axle 4, and end and institute
The inner ring for the screw mandrel 1 stated is fixedly connected；The output of rotor 9 connects motor coupling portion 12, electricity directly or by reducing gear
Machine connecting portion 12 is connected by single direction ratchet 8 with motor output 5.
A part for the outer ring of screw mandrel 1 is connected with motor output 5 by bearing, and the bearing is one or more, extremely
Few one of bearing is thrust bearing, for bearing the axial force between motor output 5 and screw mandrel 1.Wherein ratchet structure
The structure of any one-way clutch can also be used.
The separator of falling brake can use torsion torque sensor or velocity sensor.Torsion torque sensor is arranged on the table of left axle 3
Face, torsion torque sensor gather axis torsion signal to electric machine controller.Velocity sensor is used for detecting central axis speed, realizes
Mode is unlimited, such as can be by setting magnet steel on axis, and Hall sensor is arranged on corresponding position, to detect left axle 3
Or the rotating speed of right axle 4.
When riding, crank is trampled forward, and axis passes to torsion by key connection the screw mandrel 1 of connection fixed thereto, silk
Bar 1 rotates, because running resistance be present in trailing wheel, can by fluted disc acting in opposition on clutch block 2, so as to drive clutch block 2 to
It is interior to move and contact motor output 5, then because clutch action, the torsion of trampling of crank drive clutch block 2 to revolve by screw mandrel 1
Turn and pass motion to the sprocket wheel of connection fixed thereto, belt wheel bicycle rear starts to rotate, now, due to screw mandrel torsion and
The collective effect for the resistance that trailing wheel is brought by chain to clutch block, clutch block are pressed by the pressure of screw mandrel with motor output 5
Torsion transmission is realized in friction-tight.In above process, when trampling the pedal of right axle, right axle 4 drives left axle 3, and left axle 3 drives silk
Bar 1 rotates, and due to being static during starting, and the keyway of the spline of right axle 4 and screw mandrel 1 has one section and is used to produce axis
The idle stroke of torsion, right axle 4 drive left axle 3 to rotate, and left axle 3 has a torsion with screw mandrel 1, and the torsion installed in its surface passes
Sensor is signaled to motor, and after driving stability, after right axle 4 has travelled idle stroke, pedal force is directly passed to by right axle 4
Screw mandrel 1.When trampling left axle pedal, left axle 3 directly produces torsion with screw mandrel 1, and the torsion torque sensor installed in its surface is sent
Signal is to motor, while left axle 3 drives right axle 4 to rotate, and after having travelled idle stroke, the pedal force of left axle 3 is transmitted by right axle 4
To screw mandrel 1；Due to the individual event rotational characteristic of ratchet so that motor can the rotation of motor output section.Therefore, manpower and electric power are total to
Same-action is on clutch block 2, and driving electric car traveling, manpower and electric power drive electric car to move ahead together.
Now, if dead battery or closing motor, because motor output 5 is by ratchet mechanism connection motor coupling portion
12, motor now forms resistance, ratchet mechanism is into forward moving so that point of the motor output 5 with motor coupling portion 12
From now riding condition is identical with ordinary bicycle, is driven by pure manpower, and avoids motor and resistance is formed during enforcement
Power.
When stopping trampling, due to motor rotatory inertia, can drive motor connecting portion 12 rotate, due to ratchet or individual event from
Clutch individual event effect, now can motor output section 5 be rotated further, due to stop trample, axis can form reverse resistance,
So that the counter-rotating of screw mandrel 1, causes clutch block 2 to be separated with motor output 5, avoid because personnel caused by motor inertia hinder
Evil.
Need in a flash, to trample crank backward, axis passes to pedal force the screw mandrel 1 of connection fixed thereto, and screw mandrel 1 is anti-
To rotation, driving clutch block 2 is separated with motor output 5 and rotated backward with movable sprocket, is realized and is fallen to stop.Now no matter motor is
No to operate, can ensure the driving force of motor will not act on sprocket wheel and crank, avoid motor movement from causing injury to personnel
Or damage vehicle, meanwhile, sprocket wheel counter motion, brake locking is driven, realize that vehicle is braked.Pass through key connection and clutch block block
The cooperation of rotation, the stroke of falling brake of clutch block is effectively controlled, ensure the stability and security of electric bicycle performance.
Embodiment described above only expresses embodiments of the present invention, and its description is more specific and detailed, but can not
Therefore it is interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection model of the present invention
Enclose.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. the separator of falling brake of electric bicycle is put in a kind of, it is characterised in that keep off including screw mandrel, clutch block and clutch block
Block, the screw mandrel are arranged on axis, and the clutch block is enclosed in the clutch connection portion of the screw mandrel, the side of the clutch block
It is fixedly connected with sprocket support, the inner ring of the clutch block and the outer ring in the clutch connection portion of the screw mandrel coordinate in screw thread, institute
It is in frictional fit to state the outer ring of clutch block and motor output；Also,
The opposite side of the clutch block is provided with clutch block block, and the clutch block block is connected with the screw mandrel, and it is described from
Close external diameter of the external diameter more than the clutch connection portion of the screw mandrel of block block.
2. the separator of falling brake of electric bicycle is put according to claim 1, it is characterised in that the clutch block gear
Block is integrally formed with the screw mandrel.
3. the separator of falling brake of electric bicycle is put according to claim 1, it is characterised in that the clutch block gear
Block includes preceding latter linked hollow shaft and back-up ring, and insertion is provided with the hollow shaft and the back-up ring and is sleeved on institute
State the block axis hole on axis；
The hollow shaft is connected with the screw mandrel, and the external diameter of the back-up ring is more than the external diameter in the clutch connection portion of the screw mandrel.
4. the separator of falling brake of electric bicycle is put according to claim 3, it is characterised in that the hollow shaft
It is connected with the wire rod thread.
5. the separator of falling brake of electric bicycle is put according to claim 3, it is characterised in that the block axis hole
Block keyway is inside provided with, the block key being adapted with the block keyway is provided with the axis.
6. the separator of falling brake of electric bicycle is put according to claim 3 or 5, it is characterised in that the screw mandrel
Shoulder hole is provided with, the side that the shoulder hole is relatively large in diameter is connected with the outside of the hollow shaft of the clutch block,
The less side of ladder bore dia and the middle axis connection.
7. the separator of falling brake of electric bicycle is put according to claim 6, it is characterised in that the shoulder hole is straight
The larger side in footpath is provided with internal thread, be provided with the outside of the hollow shaft of the clutch block be matched therewith it is outer
Screw thread.
8. the separator of falling brake of electric bicycle is put according to claim 6, it is characterised in that the shoulder hole is straight
The less side in footpath is provided with screw mandrel keyway, and the screw mandrel key corresponding with the screw mandrel keyway is additionally provided with the axis；
The screw mandrel keyway is corresponding with the block keyway and forms overall keyway,
The screw mandrel key is corresponding with the block key and forms overall key,
The overall keyway is engaged with the overall key.
9. the separator of falling brake of electric bicycle is put according to claim 8, it is characterised in that the block keyway
For spline.
10. a kind of electric bicycle, it is characterised in that including the separator of falling brake described in claim any one of 1-9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016109757637 | 2016-11-07 | ||
| CN201610975763.7A CN106394789A (en) | 2016-11-07 | 2016-11-07 | Reversing brake separation device for mid-engine electric bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107651094A true CN107651094A (en) | 2018-02-02 |
| CN107651094B CN107651094B (en) | 2023-05-12 |
Family
ID=58014938
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610975763.7A Pending CN106394789A (en) | 2016-11-07 | 2016-11-07 | Reversing brake separation device for mid-engine electric bicycle |
| CN201711036092.9A Active CN107651094B (en) | 2016-11-07 | 2017-10-30 | Reverse brake separating device of centrally-mounted electric bicycle and electric bicycle |
| CN201721411593.6U Withdrawn - After Issue CN207607598U (en) | 2016-11-07 | 2017-10-30 | In set the separator of falling brake and electric bicycle of electric bicycle |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610975763.7A Pending CN106394789A (en) | 2016-11-07 | 2016-11-07 | Reversing brake separation device for mid-engine electric bicycle |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721411593.6U Withdrawn - After Issue CN207607598U (en) | 2016-11-07 | 2017-10-30 | In set the separator of falling brake and electric bicycle of electric bicycle |
Country Status (2)
| Country | Link |
|---|---|
| CN (3) | CN106394789A (en) |
| WO (2) | WO2018082144A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109895924A (en) * | 2019-04-19 | 2019-06-18 | 太仓市悦博电动科技有限公司 | A kind of brake apparatus of built-in motor |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394789A (en) * | 2016-11-07 | 2017-02-15 | 太仓市悦博电动科技有限公司 | Reversing brake separation device for mid-engine electric bicycle |
| CN107042864A (en) * | 2017-04-25 | 2017-08-15 | 苏州八方电机科技有限公司 | Electric bicycle of the electric bicycle without chain transmission system and the configuration system |
| FR3111112A1 (en) * | 2020-06-06 | 2021-12-10 | Jérôme DELAYE | Motor-assisted transmission system for bicycles and bicycles equipped with said system |
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| CN109895924A (en) * | 2019-04-19 | 2019-06-18 | 太仓市悦博电动科技有限公司 | A kind of brake apparatus of built-in motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107651094B (en) | 2023-05-12 |
| CN106394789A (en) | 2017-02-15 |
| WO2018082513A1 (en) | 2018-05-11 |
| CN207607598U (en) | 2018-07-13 |
| WO2018082144A1 (en) | 2018-05-11 |
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