CN105292370B - Electric bicycle motor - Google Patents
Electric bicycle motor Download PDFInfo
- Publication number
- CN105292370B CN105292370B CN201410233956.6A CN201410233956A CN105292370B CN 105292370 B CN105292370 B CN 105292370B CN 201410233956 A CN201410233956 A CN 201410233956A CN 105292370 B CN105292370 B CN 105292370B
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- Prior art keywords
- gear
- axis
- elastic deformation
- sleeve pipe
- clutch
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- 230000005489 elastic deformation Effects 0.000 claims abstract description 36
- 230000009467 reduction Effects 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a kind of electric bicycle motor, it includes branch sleeve, the casing being connected as a single entity with the branch sleeve, by the first spring bearing and the second spring bearing rotating dress assigned in the axis in the branch sleeve, the chain wheel being enclosed on the axis, and it is enclosed on the axis and the elastic deformation sleeve pipe of circumferential deformation can be produced when it is by circumferential twisting resistance, one end of branch sleeve is formed with external screw thread, the other end forms limited step, one end of elastic deformation sleeve pipe is fixed with axis, the other end is connected with chain wheel, two groups of magnet rings being spaced apart are provided with elastic deformation sleeve pipe, it is fixedly installed on the inwall of branch sleeve and signal processing circuit plate, the Hall element corresponding with two groups of described magnet rings is integrated with signal processing circuit plate, signal processing circuit plate is connected through signal lead-out wire with electric machine controller.This built-in motor of the present invention is simple and compact for structure, and easily installation.
Description
Technical field
The present invention relates to a kind of electric bicycle motor, the motor can be arranged on ordinary bicycle.
Background technology
It is a kind of current American-European and Japan vehicle the most popular that pin, which steps on assistance type electric bicycle, and this car is only in people
People's pin is detected to step on the size of torque when pin is stepped on and corresponding motor reinforcing, gathering the mode of torque there are many kinds, wherein will
It is the popular mode in current Europe that torque sensor, which is placed in axis (B.B.PART), and its advantage is small volume good concealment
It is versatile, due to being the standard type part of bicycle, therefore be advantageous to produce in batches.The FAG of Germany is (world-renowned at present
Spring bearing manufacturer), THUN companies be all proposed the torque sensor of central-axis type, after doctor (BOCHS) company is improved
The assistance type electric bicycle of release has possessed the market share in Europe 25%.
However, existing electric bicycle motor generally existing is complicated, profile is huge, it is difficult to which assembling etc. lacks
Point.
The content of the invention
The present invention seeks to：In view of the above-mentioned problems, provide electric bicycle that is a kind of simple and compact for structure and easily installing
Built-in motor.
The technical scheme is that：Described electric bicycle motor, including branch sleeve and the branch sleeve
The casing that is connected as a single entity, by the first spring bearing and the second spring bearing rotating dress assigned in the axis in the branch sleeve,
The chain wheel that is enclosed on the axis and it is enclosed on the axis and the bullet of circumferential deformation can be produced when it is by circumferential twisting resistance
Property deformed casing, one end of branch sleeve is formed with external screw thread, and the other end forms limited step, one end of elastic deformation sleeve pipe with
Axis is fixed, and the other end is connected with chain wheel, is provided with two groups of magnet rings being spaced apart on elastic deformation sleeve pipe, branch sleeve it is interior
Be fixedly installed on wall with signal processing circuit plate, be integrated with signal processing circuit plate corresponding with two groups of described magnet rings
Hall element, signal processing circuit plate are connected through signal lead-out wire with electric machine controller；
Stator, rotor and the motor tooth axle fixed with the rotor, the motor tooth axle is provided with the casing to lead to
Gear reduction is crossed to be connected with the chain wheel.
The gear reduction includes first gear intermeshing with the motor tooth axle, coaxial with the first gear
The second gear of connection and with intermeshing 3rd gear of second gear.
Linked together between the end of the elastic deformation sleeve pipe and chain wheel by following structure type：3rd tooth
By the 3rd spring bearing rotary sleeve on axis, the chain wheel is fixed on the 3rd gear wheel, and the 3rd gear becomes with elasticity
The first one-way clutch is provided between shape sleeve pipe, first one-way clutch include clutch inner ring and with the clutch
The clutch outer of one-way locking is enclosed, wherein clutch outer is fixed with the 3rd gear, and clutch inner ring and elastic deformation set
Tube end is fixed.
Linked together between the second gear and first gear by the second one-way clutch, this is second unidirectional
Clutch includes clutch inner ring and the clutch outer with the clutch inner ring one-way locking, wherein clutch outer and institute
First gear is stated to fix, and clutch inner ring is fixed with second gear.
The casing is by chassis body and the shell end cover being fixedly connected on the chassis body and waterproof plastic lid structure
Into forming a gear cavity in the chassis body, dismountable gear cap, the first gear and be connected with gear cavity
Two gears are arranged in the gear accommodating cavity.
The 4th spring bearing is provided between the second gear and gear cap, between second gear and chassis body (6)
It is provided with the 5th spring bearing.
Dismountable controller mounting box is connected with the chassis body, the electric machine controller is arranged in the controller
In mounting box.
The elastic deformation sleeve pipe includes resilient deformation section and is integrally formed at the left side at the left and right both ends of the resilient deformation section
Canned paragraph and right canned paragraph, have at least one H-type groove in the resilient deformation section, and the H-type groove has two circumferentially extendings
Deep-slotted chip breaker and the axial groove that is communicated between two deep-slotted chip breakers, the circumferential lengths of the deep-slotted chip breaker be less than the periphery of resilient deformation section
Length, described two groups of magnet rings are separately positioned on left and right canned paragraph close to the position of resilient deformation section.
Kidney-shaped spacing hole is provided with the left canned paragraph, a pin-and-hole, and the pin-and-hole are radially offered on the axis
Middle fixation is equipped with a spacer pin stretched in kidney-shaped spacing hole, and the spacer pin can be transported in kidney-shaped spacing hole inner circumferential
It is dynamic.
It is an advantage of the invention that：
1st, this electric bicycle of the present invention produces by after the elastic deformation sleeve stress being installed between axis and chain wheel
Change shape, and then makes angle displacement occurs between two groups of magnet rings on elastic deformation sleeve pipe, and then induces axis Moment
Size, the power output of regulation motor.Foot-operated reinforcing of the very important person to crank end, just has signal and passes to motor control
Device, motor is worked immediately, there is comfort level of riding well, and the corresponding ginseng of setting can be required according to the different of client
Number, with the ratio adjusted motor power output with manually reinforced.
2nd, this built-in motor of the present invention is very simple in the installation process of bicycle motor, need to only penetrate branch sleeve
Fixation of the motor on vehicle frame can be achieved in Five-way tube and with locking nut locking, be not required to change original cycle frame five
The structure of siphunculus.
3rd, electric machine controller very easily disassembles from motor, is easy to repair.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Fig. 1 is this electric bicycle motor cross-sectional view of the embodiment of the present invention；
Fig. 2 is the structural representation of axis in inventive embodiments；
Fig. 3 is the side view of elastic deformed casing in inventive embodiments；
Fig. 4 is the cross-sectional view of elastic deformed casing in inventive embodiments
Wherein：1- shell end covers, the spring bearings of 2- the 6th, 3- stators, 4- rotors, 5- motor tooth axles, 6- chassis bodies, 7-
Gear cap, the spring bearings of 8- the 4th, the one-way clutch of 9- second, 10- first gears, the spring bearings of 11- the 5th, 12- controllers
Mounting box, 13- second gears, 14- waterproof plastic lids, 15- chain wheels, the spring bearings of 16- the 7th, the one-way clutch of 17- first,
The spring bearings of 18- the 3rd, the gears of 19- the 3rd, 20- cover plates, 21- branch sleeves, 2101- limited steps, the support shafts of 22- first
Hold, 23- spacer pins, 24- signal processing circuit plates, 25- elastic deformation sleeve pipes, 2501- resilient deformation sections, 25011-H type grooves,
25011a- deep-slotted chip breakers, 25011b- axial grooves, the left canned paragraphs of 2502-, 25021- kidney-shaped spacing holes, the right canned paragraphs of 2503-, 26-
Magnet ring, the spring bearings of 27- second, 28- opening nuts, 29- axis, 2901- pin-and-holes.
Embodiment
Fig. 1~Fig. 4 illustrates a specific embodiment of this electric bicycle motor of the present invention, and it includes connection
Sleeve 21 and casing, and branch sleeve 21 and casing are connected as a single entity.One end of branch sleeve 21 is formed with external screw thread and (not shown in figure
Go out), the other end forms limited step 2101.During assembling, the Five-way tube that branch sleeve 29 is located in bicycle (is not drawn in figure
Go out) in, and the end of thread of branch sleeve 29 is stretched out outside Five-way tube, then locked on the external screw thread of the end of branch sleeve 21
The collective effect of limited step 2101 of tight nut, locking nut and the other end of branch sleeve 21, so as to by locking nut and voluntarily
Car Five-way tube is tightly secured in together.
It is furnished with axis 29 by the first spring bearing 22 and the rotating dress of the second spring bearing 27 in the branch sleeve 21, should
Chain wheel 15 is cased with axis 29, wherein the first spring bearing 22 is needle bearing.During concrete application, after the chain wheel 15 and bicycle
Driving chain is installed between wheel chain drum.An elastic deformation sleeve pipe 25 is also cased with the axis 29, when the elastic deformation set
Pipe 25 is by can produce circumferential deformation during circumferential twisting resistance.In Fig. 1, one end of elastic deformation sleeve pipe 25 passes through spline and axis 29
It is fixed, and left end is connected with chain wheel 15.Two groups of magnet rings 26 that left and right is spaced apart, adapter sleeve are provided with elastic deformation sleeve pipe 25
Be fixed with the inwall of cylinder 21 with signal processing circuit plate 24, be integrated with and two groups of described magnet rings on signal processing circuit plate 24
26 corresponding Hall elements, signal processing circuit plate 24 are connected through signal lead-out wire with electric machine controller.During practical application, need
Crank is installed at the both ends of axis 29, installation is foot-operated on crank.
The operation principle of the present embodiment is：When there is left and/or right step component reinforcing under loading condition, axis 2 rotates,
The stress of elastic deformation sleeve pipe 3 drives flange 6 and fluted disc 1 to produce angular displacement, while two groups of Hall members with respect to axis after being distorted
The size of two 7 angle difference signals of magnet ring, detects the torque signals that people's pin is stepped on after part 9 is deformed by elastic deformation sleeve pipe 3, with
The power output of controlled motor, there is provided corresponding power-assisted.
When cycling person steps on pedal drive axis 29 with pin to be rotated, the twisting resistance that axis 29 is subject to passes through
Spline 23 passes to the left end of elastic deformation sleeve pipe 25 in Fig. 1, and elastic deformation sleeve pipe 25 is by the circumferential torsion of generation after twisting resistance
Change shape, so that producing angular displacement between two groups of magnet rings 26 on elastic deformation sleeve pipe 25, signal processing circuit plate 24 passes through
Integrated Hall element induces this torque signals and the torque signals is passed into motor control by output line thereon
Device processed, then the power output of motor is adjusted after being handled by electric machine controller.It is bigger that bicyclist steps on foot-operated strength, elastic deformation
The twisting resistance that sleeve pipe 25 is subject to is bigger, and the deflection of elastic deformation sleeve pipe 25 is bigger, and the torque signals that Hall element senses are just
It is bigger.
Stator 3, rotor 4 and the motor tooth axle 5 fixed with the rotor 4, motor tooth axle 5 are provided with the casing
The 6th spring bearing 2 is provided between casing, the motor tooth axle 5 is connected by gear reduction and the chain wheel 15 transmission
Connect.After electrical power operation, the drive motor tooth axle 5 of rotor 4 rotates, and motor tooth axle 5 passes through gear reduction band movable chain wheel 15
Rotate, and then drive bicycle to move ahead.
This example uses internal rotor outer stator structure.
In this example, the gear reduction concrete structure is as follows：It includes and the motor tooth axle 5 intermeshing the
One gear 10, with the coaxially connected second gear 13 of the first gear 10 and with intermeshing 3rd tooth of second gear 13
Wheel 19.Wherein the diameter of first gear 10 is more than second gear 13, is more than first gear 10 between the 3rd gear 19.
It is to be connected to one by following structure type between the end of the elastic deformation sleeve pipe 25 and chain wheel 15 in this example
Rise：By the rotary sleeve of the 3rd spring bearing 18 on axis 29, chain wheel 15 is fixed on the 3rd gear 19 3rd gear 19,
The first one-way clutch 17 is provided between 3rd gear 19 and elastic deformation sleeve pipe 25, first one-way clutch 17 include from
Clutch inner ring and the clutch outer with the clutch inner ring one-way locking, wherein clutch outer are solid with the 3rd gear 19
It is fixed, and clutch inner ring is fixed with the end of elastic deformation sleeve pipe 25.
It is advantageous in that using said structure：Bicycle is set to be in pure electric walking when rotor 4 rotates with movable chain wheel 15
When sailing pattern, the Internal and external cycle of the first one-way clutch is in released state and can relatively rotated, axis 29 will not transfer, so as to be
The difference for being fixed on axis both ends will not transfer.And when the motor people that do not work steps on foot-operated and bicycle is in pure manpower and ride mould
Formula, the Internal and external cycle of the first one-way clutch are mutually locked, and manpower tramples the foot-operated of crank both ends, and the 3rd tooth is driven by axis 29
Wheel 19, then there is the 3rd gear 19 to be rotated with movable chain wheel 15, and then moved ahead by manpower driving bicycle, can be as ordinary bicycle
Equally normally ride.
In this example, first one-way clutch 17 is a click apparatus, and the 3rd gear 19 and bullet in this example
The 7th spring bearing 16 is provided between property deformed casing 25.
Between the second gear 13 and first gear 10 linked together by the second one-way clutch 9 in this example
, second one-way clutch 9 includes also clutch inner ring and the clutch outer with the clutch inner ring one-way locking, its
Middle clutch outer is fixed with the first gear 10, and clutch inner ring is fixed with second gear 13.
Resistance when manpower is ridden can be mitigated by being advantageous in that using said structure.Principle is as follows：When manpower is ridden,
Chain wheel 15 can be rotated by the 3rd gear 19 with second gear 13, and at this moment the Internal and external cycle of the second one-way clutch 9 is in separation
State, therefore first gear 10 and rotor 4 will not be driven to rotate, so that it is guaranteed that it is lighter to ride.And work as electrical power
During operation, as long as electrically driven (operated) speed exceedes the speed that manpower is ridden, the second one-way clutch 9, which will be in, closes tight state,
So as to ensure that electrical drive power can pass to chain wheel 15.
As shown in figure 1, casing described in this example is by chassis body 6 and the casing being fixedly connected on the chassis body 6
End cap 1 and waterproof plastic lid 14 are formed, and a gear cavity is formed in the chassis body 6, are connected with gear cavity dismountable
Gear cap 8, described first gear 10 and second gear 13 are arranged in the gear accommodating cavity.
The 4th spring bearing 8, second gear 13 and chassis body 6 are provided between the second gear 13 and gear cap 8
Between be provided with the 5th spring bearing 11.
And this example is connected with dismountable controller mounting box 12, the electric machine controller on the chassis body 6
It is arranged in the controller mounting box 12.So as to facilitate the dismounting of electric machine controller, easy access.
In this example, the concrete structure of the elastic deformation sleeve pipe 25 can refer to shown in Fig. 3, and it includes resilient deformation section 2501
And it is integrally formed at the left canned paragraph 2502 and right canned paragraph 2503 at the 2501 left and right both ends of resilient deformation section, the elasticity
There are two to axially offset on deformation section 2501 and the circumferential H-type groove 25011 also to stagger, the H-type groove 25011 had for two weeks
Deep-slotted chip breaker 25011a to extension and the axial groove 25011b, the deep-slotted chip breaker 25011a being communicated between two deep-slotted chip breaker 25011a
Circumferential lengths be less than the peripheral length of resilient deformation section 2501, described two groups of magnet rings 26 are separately positioned on left and right canned paragraph
2502,2503 close to the position of resilient deformation section 2501.
The structure of above-mentioned elastic deformation sleeve pipe 25 is more novel, with traditional helicla flute elastic deformation sleeve pipe and parallel slot bullet
Property deformed casing compare, have deformation angle is big, stress release is uniform, easy to process, good linearity feature.
Kidney-shaped spacing hole 25021 is provided with the left canned paragraph 2502, a pin is radially offered on the axis 29
Hole 2901, and fixation is equipped with a spacer pin stretched in kidney-shaped spacing hole 25021 23 in the pin-and-hole 2901, it is described spacing
Pin 23 can move in the inner circumferential of kidney-shaped spacing hole 25021.The setting of the spacer pin 23, position-limiting action is not only acted as, and kept away
The excessive distortion of elastic deformation sleeve pipe 25 is exempted from and has burst.
Certainly, the above embodiments merely illustrate the technical concept and features of the present invention, and its object is to make people much of that
Solution present disclosure is simultaneously implemented according to this, and it is not intended to limit the scope of the present invention.It is all according to major technique of the present invention
The equivalent transformation or modification that the Spirit Essence of scheme is done, should all be included within the scope of the present invention.
Claims (7)
- A kind of 1. electric bicycle motor, it is characterised in that：It includes branch sleeve (21), connected with the branch sleeve (21) The casing that is integrated, the branch sleeve (21) is assigned in by the first spring bearing (20) and the second spring bearing (27) rotating dress Interior axis (29), the chain wheel (15) being enclosed on the axis (29) and it is enclosed on the axis (1) and when it is by circumferential torsion Can produce the elastic deformation sleeve pipe (25) of circumferential deformation when turning power, one end of branch sleeve (21) is formed with external screw thread, the other end into Type limited location step (2101), one end of elastic deformation sleeve pipe (25) is fixed with axis (29), and the other end is connected with chain wheel (15), Two groups of magnet rings (26) being spaced apart are provided with elastic deformation sleeve pipe (25), are fixedly installed on the inwall of branch sleeve (21) Signal processing circuit plate (24), the Hall corresponding with two groups of described magnet rings (26) is integrated with signal processing circuit plate (24) Element, signal processing circuit plate (24) are connected through signal lead-out wire with electric machine controller；Stator (3), rotor (4) and the motor tooth axle (5) fixed with the rotor (4), the electricity are provided with the casing Machine tooth axle (5) is connected by gear reduction and the chain wheel (15)；The gear reduction includes and the intermeshing first gear of the motor tooth axle (5) (10) and the first gear (10) coaxially connected second gear (13) and with intermeshing 3rd gear (19) of second gear (13)；Linked together between the end of the elastic deformation sleeve pipe (25) and chain wheel (15) by following structure type：The For three gears (19) by the 3rd spring bearing (18) rotary sleeve on axis (29), the chain wheel (15) is fixed on the 3rd gear (19) on, the first one-way clutch (17) is provided between the 3rd gear (19) and elastic deformation sleeve pipe (25), this is first unidirectional Clutch (17) includes clutch inner ring and the clutch outer with the clutch inner ring one-way locking, wherein clutch outer It is fixed with the 3rd gear (19), and clutch inner ring is fixed with elastic deformation sleeve pipe (25) end.
- 2. electric bicycle motor according to claim 1, it is characterised in that：The second gear (13) and first Linked together between gear (10) by the second one-way clutch (9), second one-way clutch (9) includes clutch Inner ring and the clutch outer with the clutch inner ring one-way locking, wherein clutch outer are solid with the first gear (10) It is fixed, and clutch inner ring is fixed with second gear (13).
- 3. electric bicycle motor according to claim 1, it is characterised in that：The casing by chassis body (6), And the shell end cover (1) and waterproof plastic lid (14) being fixedly connected on the chassis body (6) are formed, the chassis body (6) gear cavity is formed in, dismountable gear cap (8), the first gear (10) and the second tooth are connected with gear cavity Wheel (13) is arranged in the gear accommodating cavity.
- 4. electric bicycle motor according to claim 3, it is characterised in that：The second gear (13) and gear The 4th spring bearing (8) is provided between lid (8), the 5th support shaft is provided between second gear (13) and chassis body (6) Hold (11).
- 5. electric bicycle motor according to claim 3, it is characterised in that：Connected on the chassis body (6) There is dismountable controller mounting box (12), the electric machine controller is arranged in the controller mounting box (12).
- 6. electric bicycle motor according to claim 1, it is characterised in that：Elastic deformation sleeve pipe (25) bag Include resilient deformation section (2501) and be integrally formed at resilient deformation section (2501) the left and right both ends left canned paragraph (2502) and Right canned paragraph (2503), there is at least one H-type groove (25011), the H-type groove on the resilient deformation section (2501) (25011) there is two deep-slotted chip breakers (25011a) circumferentially extended and the axial groove being communicated between two deep-slotted chip breakers (25011a) (25011b), the circumferential lengths of the deep-slotted chip breaker (25011a) are less than the peripheral length of resilient deformation section (2501), and described two Group magnet ring (26) is separately positioned on left and right canned paragraph (2502,2503) close to the position of resilient deformation section (2501).
- 7. electric bicycle motor according to claim 6, it is characterised in that：Set on the left canned paragraph (2502) Kidney-shaped spacing hole (25021) is equipped with, a pin-and-hole (2901) is radially offered on the axis (29), and in the pin-and-hole (2901) Fixation is equipped with a spacer pin (23) stretched in kidney-shaped spacing hole (25021), and the spacer pin (23) can limit in kidney-shaped Position hole (25021) inner circumferential motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410233956.6A CN105292370B (en) | 2014-05-29 | 2014-05-29 | Electric bicycle motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410233956.6A CN105292370B (en) | 2014-05-29 | 2014-05-29 | Electric bicycle motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105292370A CN105292370A (en) | 2016-02-03 |
| CN105292370B true CN105292370B (en) | 2018-01-23 |
Family
ID=55190368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410233956.6A Active CN105292370B (en) | 2014-05-29 | 2014-05-29 | Electric bicycle motor |
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| Country | Link |
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| CN (1) | CN105292370B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109466678A (en) * | 2017-09-07 | 2019-03-15 | 广州市展辉电子有限公司 | Electric bicycle and its splicing sleeve and vehicle frame |
| CN110949597A (en) * | 2019-12-28 | 2020-04-03 | 苏州万佳电器有限公司 | Middle-mounted driving device and bicycle with same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192934A (en) * | 2013-04-10 | 2013-07-10 | 无锡赛可电气有限公司 | Middle drive system for electric bicycles |
| CN103381876A (en) * | 2013-08-08 | 2013-11-06 | 苏州捷诚科技有限公司 | Central shaft type torque sensor |
| CN103538685A (en) * | 2012-07-12 | 2014-01-29 | 株式会社岛野 | Bicycle drive unit |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002331985A (en) * | 2001-05-31 | 2002-11-19 | Ind Technol Res Inst | Bicycle torque detection and large gear miniaturization device |
| US6595072B2 (en) * | 2001-10-22 | 2003-07-22 | Gordon Liao | Sensor of the pedaling force of a power-assisting bike |
| CN201033626Y (en) * | 2006-02-14 | 2008-03-12 | 陈春富 | Driver for electric bicycle |
| CN103085931B (en) * | 2013-02-01 | 2014-10-29 | 苏州盛亿电机有限公司 | Electric bicycle central shaft torsion force sensing device |
| CN204021176U (en) * | 2014-05-29 | 2014-12-17 | 苏州雄风电机有限公司 | Electric bicycle motor |
-
2014
- 2014-05-29 CN CN201410233956.6A patent/CN105292370B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103538685A (en) * | 2012-07-12 | 2014-01-29 | 株式会社岛野 | Bicycle drive unit |
| CN103192934A (en) * | 2013-04-10 | 2013-07-10 | 无锡赛可电气有限公司 | Middle drive system for electric bicycles |
| CN103381876A (en) * | 2013-08-08 | 2013-11-06 | 苏州捷诚科技有限公司 | Central shaft type torque sensor |
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| CN105292370A (en) | 2016-02-03 |
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