CN201703522U - Electric bicycle hub - Google Patents

Electric bicycle hub Download PDF

Info

Publication number
CN201703522U
CN201703522U CN2010201794392U CN201020179439U CN201703522U CN 201703522 U CN201703522 U CN 201703522U CN 2010201794392 U CN2010201794392 U CN 2010201794392U CN 201020179439 U CN201020179439 U CN 201020179439U CN 201703522 U CN201703522 U CN 201703522U
Authority
CN
China
Prior art keywords
link span
main shaft
wheel hub
nut
pinion carrier
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.)
Expired - Lifetime
Application number
CN2010201794392U
Other languages
Chinese (zh)
Inventor
王清华
贺先兵
丁俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eight party electrical (Suzhou) Limited by Share Ltd
Original Assignee
SUZHOU BAFANG MOTOR TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SUZHOU BAFANG MOTOR TECHNOLOGY Co Ltd filed Critical SUZHOU BAFANG MOTOR TECHNOLOGY Co Ltd
Priority to CN2010201794392U priority Critical patent/CN201703522U/en
Application granted granted Critical
Publication of CN201703522U publication Critical patent/CN201703522U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The utility model discloses an electric bicycle hub which comprises a spindle fixed on a frame, wherein the spindle is provided with a hub shell by a hub shell bearing, the hub shell is internally provided with a motor and a planet wheel retarding mechanism, the motor adopts an inner-stator and outer-rotor structure, the rotor is fixedly with a sun gear which is sheathed on the spindle, the sun gear is meshed with a planet gear, the planet gear is meshed with a hub annular gear fixed on the hub shell and is arranged on a planet shaft by a planet bearing, the planet shaft is fixed on a planet carrier, and the planet carrier is sheathed on the spindle; and the electric bicycle hub is characterized in that the planet carrier is fixed with the frame. Compared with the prior art, the frame is used for bearing torque during operation of the planet carrier, thus greatly reducing the torsion born by the spindle, producing a thin spindle to reduce the teeth number of the sun gear on the premise of ensuring the strength of the spindle, and reaching the aims of increasing the reduction ratio between the sun gear and the hub annular gear, further improving the output torque of the hub, and reducing the volume of the hub.

Description

Wheel hub of electric bicycle
Technical field
The utility model relates to a kind of wheel hub of electric bicycle.
Background technology
In recent years, Electrical Bicycle is accepted by consumers in general gradually as a kind of environmental protection, the energy-conservation vehicle, no matter still external at home, Electrical Bicycle sales volume is worldwide also increasing year by year, the trend that Electrical Bicycle substitutes bicycle progressively enlarges, and wheel hub of electric bicycle is as the core component of Electrical Bicycle, and the quality of its quality is often determining Electrical Bicycle single-piece quality.
Existing wheel hub of electric bicycle, its structure generally includes the main shaft that is installed on the vehicle frame, by bearing installation the wheel hub shell is arranged on the main shaft, in the wheel hub shell motor and satellite gear speed reduction gearing are installed, described motor adopts the internal stator outer-rotor structure usually, be fixed with the sun gear that is enclosed within on the main shaft on the rotor, sun gear is engaged with planetary wheel, planetary wheel and the wheel hub internally toothed annulus engagement that is fixed on the wheel hub shell, planetary wheel by bearing installation on planet axis, planet axis is fixed on the pinion carrier, and pinion carrier is sheathed and be fixed on the main shaft.This wheel hub of electric bicycle adds planetary wheel is directly installed on the pinion carrier owing to adopt the electric machine structure of internal stator outer rotor, has simplified planet carrier structure, has therefore not only obtained higher power of motor, has also reduced the volume of whole wheel hub simultaneously.
Yet because wheel hub of electric bicycle more and more develops towards small size, high-performance direction at present, above-mentioned wheel hub of electric bicycle also must make improvements the demand that just can cater to market.The problem that runs in concrete development is as follows: in order to obtain bigger output torque, just must improve motor speed, increase the reduction ratio of sun gear and wheel hub internally toothed annulus, but the wheel hub external diameter must reduce again as far as possible, in this case, have only by the diameter of axle that reduces main shaft to reduce the sun gear number of teeth, thereby reach the purpose that increases sun gear and wheel hub internally toothed annulus reduction ratio; If will certainly reduce the intensity of main shaft but main shaft run business into particular one.And directly be fixed on pinion carrier on the main shaft in the prior art, the moment of torsion that pinion carrier work produces also just directly acts on the main shaft, the torsion that makes main shaft bear is bigger, requirement of strength to main shaft is also higher relatively, in case main shaft is run business into particular one, can reduce the functional reliability and the safety of whole wheel hub so greatly.
Summary of the invention
The utility model purpose is: make improvements on the prior art that relates in background technology and the wheel hub of electric bicycle that a kind of output torque is bigger, volume is littler is provided.
The technical solution of the utility model is: a kind of wheel hub of electric bicycle, comprise the main shaft that is installed on the vehicle frame, by wheel hub shell bearing the wheel hub shell is installed on the described main shaft, in the wheel hub shell motor and satellite gear speed reduction gearing are installed, described motor adopts the internal stator outer-rotor structure, be fixed with the sun gear that is enclosed within on the main shaft on the rotor, sun gear is engaged with planetary wheel, planetary wheel and the wheel hub internally toothed annulus engagement that is fixed on the wheel hub shell, planetary wheel is installed on the planet axis by planetary bearing, planet axis is fixed on the pinion carrier, and pinion carrier is set on the main shaft; Described pinion carrier and vehicle frame fix.
On above-mentioned main technical schemes basis, the utility model further has two kinds of specific embodiments:
A kind of embodiment is as follows: the described vehicle frame in the utility model further comprises first, second link span that is positioned at wheel hub shell both sides, the two ends of described main shaft fix with first, second link span respectively, described main shaft is provided with the spline ring between first link span and pinion carrier simultaneously, pinion carrier directly and this spline ring fix, the spline ring then fixes with first link span.
Further, described spline ring by screw retention on pinion carrier, this spline ring catches on first link span bottom by the trip which is provided with simultaneously, thereby fix (just having limited spline ring and pinion carrier rotates on main shaft) with first link span, perhaps described spline ring fixes by the screw and first link span.
Further, on main shaft, wherein second nut and passes the spline ring to described first link span between first link span and pinion carrier by first nut and second nut locking; And also be provided with pad and seal ring between second nut and the pinion carrier; And described second link span by the 3rd nut and the 4th nut locking on main shaft, be fixed with the spline sheet on the main shaft, described spline sheet is provided with lug and cooperates with the rotation of restriction main shaft with corresponding fluting on second link span, and the perhaps described spline sheet and second link span rotate with the restriction main shaft by screw retention; Described the 3rd nut is between second link span and wheel hub shell, and the spline sheet is between the 3rd nut and second link span, and the 3rd nut also is provided with corrugated gasket with taking turns between the hub shell.
Another embodiment is as follows: the vehicle frame described in the utility model comprises first, second link span that is positioned at wheel hub shell both sides, sheathed pinion carrier on described main shaft one end, the described pinion carrier and first link span fix, and the main shaft other end and second link span fix.
Further, one-body molded on the described pinion carrier have an outrigger shaft coaxial with main shaft, described outrigger shaft stretches out the wheel hub shell and first link span fixes, described pinion carrier catches on first link span bottom by the trip which is provided with simultaneously, thereby fix (just having limited pinion carrier rotates) with first link span on main shaft, perhaps described pinion carrier fixes by the screw and first link span.
Further, described first link span by first nut locking on outrigger shaft; And described second link span by the 3rd nut and the 4th nut locking on main shaft, be fixed with the spline sheet on the main shaft, described spline sheet is provided with lug and cooperates with the rotation of restriction main shaft with corresponding fluting on second link span, and the perhaps described spline sheet and second link span rotate with the restriction main shaft by screw retention; Described the 3rd nut is between second link span and wheel hub shell, and the spline sheet is between the 3rd nut and second link span, and the 3rd nut also is provided with corrugated gasket with taking turns between the hub shell.
No matter take above-mentioned which kind of specific embodiments, all positioning key can be set further on the described pinion carrier in the utility model, this positioning key matches with the positioning groove that main shaft is provided with, and the lug and second link span when its objective is the trip guaranteed on spline ring or the pinion carrier and the first link span assembling and positioning on the spline sheet also can assembling and positioning.For example when positioning key matches with positioning groove, trip on the spline ring can catch on first link span bottom just and finish assembling and positioning, and meanwhile, lug on the spline sheet also can cooperate with corresponding fluting on second link span just finishes assembling and positioning, be convenient to the assembling of the utility model single-piece like this, can accelerate assembling speed.Certainly it is pointed out that positioning key on the pinion carrier cooperates the effect of only playing assembling and positioning with positioning groove on the main shaft and output torque not.
On the basis of this external the utility model main technical schemes, the utility model also has following additional technical feature:
Described wheel hub shell bearing further is directly to be set on the described pinion carrier.
The stator of described motor is fixed on the main shaft, and rotor is installed on the main shaft by two grades of rotor-bearinges, and rotor is the peviform structure, the opening of peviform structure outwardly, the effect of this structure is to help motor radiating, it is more reliable to be beneficial to machine operation.
The utility model has the advantages that:
This wheel hub of electric bicycle that the utility model provides, it is compared with the prior art that relates in the background technology, difference is: prior art is directly to be fixed on pinion carrier on the main shaft, the moment of torsion of pinion carrier work generation just directly acts on the main shaft like this, and the torsion that makes main shaft bear is bigger.In order to ensure main axe intensity, main shaft can't be run business into particular one reduces the number of teeth of sun gear, also just can't reach the reduction ratio that increases sun gear and wheel hub internally toothed annulus, further improves the purpose of wheel hub output torque.And the utility model fixes the vehicle frame of pinion carrier and Electrical Bicycle, moment of torsion when utilizing vehicle frame to bear pinion carrier work, so just significantly reduced the torsion that is born on the main shaft, thereby can guarantee under the prerequisite of main axe intensity main shaft do thinner to reduce the number of teeth of sun gear, reach the reduction ratio that increases sun gear and wheel hub internally toothed annulus, further improve the wheel hub output torque, reduce the purpose of wheel hub volume.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the cutaway view of a kind of specific embodiment of the utility model;
Fig. 2 is the cutaway view of the another kind of specific embodiment of the utility model.
Wherein: 1, main shaft; 2, vehicle frame; 2a, first link span; 2b, second link span; 3, wheel hub shell bearing; 4, wheel hub shell; 5, pinion carrier; 5, outrigger shaft; 6, rotor; 7, sun gear; 8, planetary wheel; 9, wheel hub internally toothed annulus; 10, planetary bearing; 11, planet axis; 12, spline ring; S, trip; 13, screw; 14, stator; 15, rotor-bearing; 16, spline sheet; 16a, lug; 17, positioning key; 18, first nut; 19, second nut; 20, the 3rd nut; 21, the 4th nut; 22, pad; 23, seal ring; 24, corrugated gasket.
The specific embodiment
Embodiment 1: as shown in Figure 1, this wheel hub of electric bicycle that present embodiment provides, comprise the main shaft 1 that is installed on the vehicle frame 2, by wheel hub shell bearing 3 wheel hub shell 4 is installed on the described main shaft 1, in the wheel hub shell 4 motor and satellite gear speed reduction gearing are installed successively from right to left.Described motor adopts the internal stator outer-rotor structure, and stator 14 wherein is fixed on the main shaft 1 by keyway, and rotor 6 is installed on the main shaft 1 by two grades of rotor-bearinges 15, and rotor 6 is the peviform structure, and the opening of peviform structure outwardly.Be fixed with the sun gear 7 that is enclosed within on the main shaft 1 on the described rotor 6, sun gear 7 is engaged with three planetary wheels 8 (only marking a planetary wheel among the figure), three planetary wheels 8 mesh with the wheel hub internally toothed annulus 9 that is fixed on the wheel hub shell 4, each planetary wheel 8 is installed on the corresponding planet axis 11 by planetary bearing 10 respectively, planet axis 11 then is fixed on the pinion carrier 5, and 5 of pinion carriers are set on the main shaft 1.Described vehicle frame 2 comprises being positioned at takes turns first of hub shell 4 both sides, the second link span 2a, 2b, the two ends of described main shaft 1 are respectively with first, the second link span 2a, 2b fixes, described main shaft 1 is provided with the spline ring 12 between the first link span 2a and pinion carrier 5 simultaneously, described spline ring 12 is fixed on the pinion carrier 5 by screw 13, this spline ring 12 catches on first link span 2a bottom by the trip S which is provided with simultaneously, thereby fix (also promptly having limited spline ring 12 and the rotation of pinion carrier 5 on main shaft 1) with the first link span 2a, and the wheel hub shell bearing 3 in the present embodiment is set in directly on the pinion carrier 5.
The first link span 2a described in the present embodiment is locked on the main shaft 1 by first nut 18 and second nut 19, and wherein second nut 19 and passes spline ring 12 between the first link span 2a and pinion carrier 5; And also be provided with pad 22 and seal ring 23 between second nut 19 and the pinion carrier 5; And the described second link span 2b is locked on the main shaft 1 by the 3rd nut 20 and the 4th nut 21, also be fixed with spline sheet 16 on the main shaft 1 by the flat formula axle (not marking among the figure) that laterally hammers into, described spline sheet 16 is provided with lug 16a and cooperates with 1 rotation of restriction main shaft with the upward corresponding fluting of the second link span 2b, described the 3rd nut 20 is between the second link span 2b and wheel hub shell 4, and spline sheet 16 is between the 3rd nut 20 and the second link span 2b, and also is provided with corrugated gasket 24 between the 3rd nut 20 and the wheel hub shell 4.On pinion carrier 5, be provided with positioning key 17 in the present embodiment simultaneously, this positioning key 17 matches with the positioning groove that main shaft 1 is provided with, when positioning key 17 matches with positioning groove, trip S on the spline ring 12 can catch on first link span 2a bottom just and finish assembling and positioning, and meanwhile, lug 16a on the spline sheet 16 also can go up to slot to cooperate accordingly just and finish assembling and positioning with the second link span 2b, and this is convenient to the assembling of the utility model single-piece, can accelerate assembling speed.Certainly it is pointed out that positioning key 17 on the pinion carrier 5 cooperates the effect of only playing assembling and positioning with positioning groove on the main shaft 1 and output torque not; If the positioning groove on cancellation positioning key 17 and the respective major axes 1, the utility model still can normal operation, just install inconvenient.
Embodiment 2: as shown in Figure 2, this wheel hub of electric bicycle that present embodiment provides, comprise the main shaft 1 that is installed on the vehicle frame 2, by wheel hub shell bearing 3 wheel hub shell 4 is installed on the described main shaft 1, in the wheel hub shell 4 motor and satellite gear speed reduction gearing are installed successively from right to left.Described motor adopts the internal stator outer-rotor structure, and stator 14 wherein is fixed on the main shaft 1 by keyway, and rotor 6 is installed on the main shaft 1 by two grades of rotor-bearinges 15, and rotor 6 is the peviform structure, and the opening of peviform structure outwardly.Be fixed with the sun gear 7 that is enclosed within on the main shaft 1 on the described rotor 6, sun gear 7 is engaged with three planetary wheels 8 (only marking a planetary wheel among the figure), three planetary wheels 8 mesh with the wheel hub internally toothed annulus 9 that is fixed on the wheel hub shell 4, each planetary wheel 8 is installed on the corresponding planet axis 11 by planetary bearing 10 respectively, planet axis 11 then is fixed on the pinion carrier 5, and 5 of pinion carriers are set on the main shaft 1.Described vehicle frame 2 comprises first, second link span 2a, the 2b that is positioned at wheel hub shell 4 both sides, sheathed pinion carrier 5 on described main shaft 1 one ends, one-body molded on the described pinion carrier 5 have an outrigger shaft 5a coaxial with main shaft 1, described outrigger shaft 5a stretches out wheel hub shell 4 and the first link span 2a fixes, described pinion carrier 5 catches on first link span 2a bottom by the trip S which is provided with simultaneously, thereby fixes (also promptly having limited the rotation of pinion carrier 5 on main shaft 1) with the first link span 2a; And main shaft 1 other end stretches out the wheel hub shell and the second link span 2b fixes.
The first link span 2a is locked on the outrigger shaft 5a by first nut 18 described in the present embodiment; And the described second link span 2b is locked on the main shaft 1 by the 3rd nut 20 and the 4th nut 21, is fixed with spline sheet 16 on the main shaft 1, and described spline sheet 16 is provided with lug 16a and cooperates with 1 rotation of restriction main shaft with the upward corresponding fluting of the second link span 2b; Described the 3rd nut 20 is between the second link span 2b and wheel hub shell 4, and spline sheet 16 is between the 3rd nut 20 and the second link span 2b, and the 3rd nut 20 also is provided with corrugated gasket 24 with taking turns between the hub shell 4.
The prior art that relates in above-mentioned two present embodiments and the background technology is compared, difference is: prior art is directly to be fixed on pinion carrier on the main shaft, the moment of torsion of pinion carrier work generation just directly acts on the main shaft like this, and the torsion that makes main shaft bear is bigger.In order to ensure main axe intensity, main shaft can't be run business into particular one reduces the number of teeth of sun gear, also just can't reach the reduction ratio that increases sun gear and wheel hub internally toothed annulus, further improves the purpose of wheel hub output torque.And above-mentioned two embodiment are all with the pinion carrier 5 and the first link span 2a, the vehicle frame 2 that also is Electrical Bicycle fixes, moment of torsion when utilizing vehicle frame 2 to bear pinion carrier 5 work, so just significantly reduced the torsion that is born on the main shaft 1, thereby can the following main shaft 1 of prerequisite that guarantees main shaft 1 intensity do thinner to reduce the number of teeth of sun gear 7, reach the reduction ratio that increases sun gear 7 and wheel hub internally toothed annulus 9, further increase the wheel hub output torque, reduce the purpose of wheel hub volume.
Certainly above-mentioned two embodiment only are explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the people who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalent transformation or modifications of doing according to the spirit of the utility model main technical schemes all should be encompassed within the protection domain of the present utility model.

Claims (10)

1. wheel hub of electric bicycle, comprise the main shaft (1) that is installed on the vehicle frame (2), described main shaft (1) is gone up by wheel hub shell bearing (3) wheel hub shell (4) is installed, in the wheel hub shell (4) motor and satellite gear speed reduction gearing are installed, described motor adopts the internal stator outer-rotor structure, be fixed with the sun gear (7) that is enclosed within on the main shaft (1) on the rotor (6), sun gear (7) is engaged with planetary wheel (8), planetary wheel (8) and wheel hub internally toothed annulus (9) engagement that is fixed on the wheel hub shell (4), planetary wheel (8) is installed on the planet axis (11) by planetary bearing (10), planet axis (11) is fixed on the pinion carrier (5), and pinion carrier (5) is set on the main shaft (1); It is characterized in that described pinion carrier (5) and vehicle frame (2) fix.
2. wheel hub of electric bicycle according to claim 1, it is characterized in that described vehicle frame (2) comprises first, second link span (2a, 2b) that is positioned at wheel hub shell (4) both sides, the two ends of described main shaft (1) fix with first, second link span (2a, 2b) respectively, described main shaft (1) is provided with the spline ring (12) that is positioned between first link span (2a) and the pinion carrier (5) simultaneously, pinion carrier (5) directly and this spline ring (12) fix, spline ring (12) then fixes with first link span (2a).
3. wheel hub of electric bicycle according to claim 2, it is characterized in that described spline ring (12) is fixed on the pinion carrier (5) by screw (13), this spline ring (12) catches on first link span (2a) bottom by the trip (S) which is provided with simultaneously, thereby (2a) fixes with first link span, and perhaps described spline ring (12) fixes by screw and first link span (2a).
4. wheel hub of electric bicycle according to claim 3, it is characterized in that described first link span (2a) is locked on the main shaft (1) by first nut (18) and second nut (19), wherein second nut (19) is positioned between first link span (2a) and the pinion carrier (5), and passes spline ring (12); And also be provided with pad (22) and seal ring (23) between second nut (19) and the pinion carrier (5); And described second link span (2b) is locked on the main shaft (1) by the 3rd nut (20) and the 4th nut (21), be fixed with spline sheet (16) on the main shaft (1), described spline sheet (16) is provided with lug (16a) and cooperates with restriction main shaft (1) rotation with the upward corresponding fluting of second link span (2b), and perhaps described spline sheet (16) and second link span (2b) rotate with restriction main shaft (1) by screw retention; Described the 3rd nut (20) is positioned between second link span (2b) and the wheel hub shell (4), and spline sheet (16) is positioned between the 3rd nut (20) and second link span (2b), and also is provided with corrugated gasket (24) between the 3rd nut (20) and the wheel hub shell (4).
5. wheel hub of electric bicycle according to claim 1, it is characterized in that described vehicle frame (2) comprises first, second link span (2a, 2b) that is positioned at wheel hub shell (4) both sides, sheathed pinion carrier (5) on described main shaft (1) one end, described pinion carrier (5) fixes with first link span (2a), and main shaft (1) other end and second link span (2b) fix.
6. wheel hub of electric bicycle according to claim 5, it is characterized in that described pinion carrier (5) goes up and one-body moldedly to have and the coaxial outrigger shaft (5a) of main shaft (1), described outrigger shaft (5a) stretches out wheel hub shell (4) and fixes with first link span (2a), described pinion carrier (5) catches on first link span (2a) bottom by the trip (S) which is provided with simultaneously, thereby (2a) fixes with first link span, and perhaps described pinion carrier (5) fixes by screw and first link span (2a).
7. wheel hub of electric bicycle according to claim 6 is characterized in that described first link span (2a) is locked on the outrigger shaft (5a) by first nut (18); And described second link span (2b) is locked on the main shaft (1) by the 3rd nut (20) and the 4th nut (21), be fixed with spline sheet (16) on the main shaft (1), described spline sheet (16) is provided with lug (16a) and cooperates with restriction main shaft (1) rotation with the upward corresponding fluting of second link span (2b), and perhaps described spline sheet (16) and second link span (2b) rotate with restriction main shaft (1) by screw retention; Described the 3rd nut (20) is positioned between second link span (2b) and the wheel hub shell (4), and spline sheet (16) is positioned between the 3rd nut (20) and second link span (2b), and also is provided with corrugated gasket (24) between the 3rd nut (20) and the wheel hub shell (4).
8. according to claim 4 or 7 described wheel hub of electric bicycle, it is characterized in that described pinion carrier (5) is provided with positioning key (17) and cooperates with the positioning groove that main shaft (1) is provided with, the lug (16a) when guaranteeing trip (S) and first link span (2a) assembling and positioning on the spline sheet (16) also can assembling and positioning with second link span (2b).
9. wheel hub of electric bicycle according to claim 1 is characterized in that described wheel hub shell bearing (3) directly is set on the described pinion carrier (5).
10. wheel hub of electric bicycle according to claim 1, the stator (14) that it is characterized in that described motor is fixed on the main shaft (1), rotor (6) is installed on the main shaft (1) by two grades of rotor-bearinges (15), and rotor (6) is the peviform structure, and the opening of peviform structure outwardly.
CN2010201794392U 2010-05-05 2010-05-05 Electric bicycle hub Expired - Lifetime CN201703522U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201794392U CN201703522U (en) 2010-05-05 2010-05-05 Electric bicycle hub

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201794392U CN201703522U (en) 2010-05-05 2010-05-05 Electric bicycle hub

Publications (1)

Publication Number Publication Date
CN201703522U true CN201703522U (en) 2011-01-12

Family

ID=43440676

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010201794392U Expired - Lifetime CN201703522U (en) 2010-05-05 2010-05-05 Electric bicycle hub

Country Status (1)

Country Link
CN (1) CN201703522U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2549148A1 (en) * 2011-07-20 2013-01-23 LG Innotek Co., Ltd. Planetary gear train for transmission of motor
WO2017101088A1 (en) * 2015-12-17 2017-06-22 深圳一哥智行科技有限公司 Wheel hub of electric bicycle
US10197152B2 (en) 2013-12-11 2019-02-05 Cnh Industrial America Llc Drive wheel assembly for an agricultural vehicle

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2549148A1 (en) * 2011-07-20 2013-01-23 LG Innotek Co., Ltd. Planetary gear train for transmission of motor
US9249876B2 (en) 2011-07-20 2016-02-02 Lg Innotek Co., Ltd. Planetary gear train for transmission of motor
US9631717B2 (en) 2011-07-20 2017-04-25 Lg Innotek Co., Ltd. Planetary gear train for transmission of motor
US10197152B2 (en) 2013-12-11 2019-02-05 Cnh Industrial America Llc Drive wheel assembly for an agricultural vehicle
WO2017101088A1 (en) * 2015-12-17 2017-06-22 深圳一哥智行科技有限公司 Wheel hub of electric bicycle

Similar Documents

Publication Publication Date Title
CN101797950B (en) Hub of electric bicycle
CN202817991U (en) Card-type flywheel hub motor
CN203186075U (en) Wheel motor drive axle for electric vehicle
CN101856948B (en) Wheel hub of electric bicycle
CN201703522U (en) Electric bicycle hub
CN203111431U (en) Mid-mounted motor device of electric bicycle
CN207603381U (en) A kind of wheel hub motor and electric bicycle
EP3293103B1 (en) A combination of a transmission and a rear wheel, and an electric vehicle provided with the combination
CN207166295U (en) A kind of high reduction-ratio hub motor of high pulling torque
WO2020143340A1 (en) Compact mid-drive motor using single-stage gear reduction drive
CN106697170B (en) Speed reduction hub motor
CN201824790U (en) Electric hub
CN201712417U (en) Electric bicycle wheel hub
CN201647059U (en) Electric bicycle wheel hub
CN201506213U (en) Electric hub
CN202574553U (en) Electric power assisting device for bicycle
CN2670155Y (en) Hub of electric bicycle
CN201268382Y (en) Drive apparatus of electric bicycle
CN206841656U (en) Wheel hub motor
CN201530269U (en) A bicycle rear shaft assembly
CN209382192U (en) The compact built-in motor being driven using primary gear speed reducing
CN207321028U (en) Double drive hub motor structure and electric bicycle
CN207339557U (en) Electric motor built-in planetary reduction gear
CN207339558U (en) A kind of sealed electric-motor retarder
CN205916286U (en) With higher speed with decelerator and electric bicycle

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: Suzhou City Industrial Park Loufeng town and the road of 215122 Jiangsu province No. 9

Patentee after: Eight party electrical (Suzhou) Limited by Share Ltd

Address before: Suzhou City Industrial Park Loufeng town and the road of 215122 Jiangsu province No. 9

Patentee before: Suzhou Bafang Motor Technology Co., Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20110112