CN201142618Y - Gear reducer motor of hub - Google Patents
Gear reducer motor of hub Download PDFInfo
- Publication number
- CN201142618Y CN201142618Y CNU2007203115854U CN200720311585U CN201142618Y CN 201142618 Y CN201142618 Y CN 201142618Y CN U2007203115854 U CNU2007203115854 U CN U2007203115854U CN 200720311585 U CN200720311585 U CN 200720311585U CN 201142618 Y CN201142618 Y CN 201142618Y
- Authority
- CN
- China
- Prior art keywords
- gear
- motor
- wheel hub
- pinion
- output gear
- 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 - Fee Related
Links
- 239000003638 chemical reducing agent Substances 0.000 title 1
- 230000009467 reduction Effects 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 5
- 238000004132 cross linking Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000005461 lubrication Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 244000309464 bull Species 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000004677 Nylon Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000037396 body weight Effects 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000019197 fats Nutrition 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Landscapes
- General Details Of Gearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a gear speed-reducing motor for driving an electric bicycle or an electric motorcycle hub, which mainly comprises a rotor (14), a stator (15) and a motor shaft (7). The gear speed-reducing motor is characterized in that a motor chamber and a gear chamber are isolated by a right end cover (1.2) of the motor, the rotor (14) is fixedly connected with a pipe shaft (13) which is sleeved on the outside of the motor shaft (7), a pinion (13.1) is arranged at the power output end of the pipe shaft, the power output end of the pipe shaft is further extended into the gear chamber, the pinion (13.1) in the gear chamber is meshed with a bull wheel (2) of a coaxial duplex gear, a pinion (4) of the coaxial duplex gear is meshed with an output gear (5), and the output gear (5) is concentric with the pinion (13.1) and connected with a hub keyway. The gear speed-reducing motor adopts the concentric secondary speed-reducing transmission of the input and the output, the size is small, the deadweight of the vehicle body is reduced, and the carrying capacity is great under the situation of the same motor power; the gear chamber is closed, the lubrication conditions are great, the gear abrasion is less and the noise is low; the structure is simpler, the assembly process is simplified and the cost is reduced.
Description
Technical field
The utility model relates to electric driver, particularly a kind of gear reduction motor that is used to drive electric bicycle or electric motorcycle wheel hub.
Background technology
The motor wheel hub drive unit of electric bicycle of the prior art or battery-operated motor cycle, more have two kinds of versions, and a kind of is the side that motor is installed in wheel shaft, and the transmission device volume is big, and machine components are many, complex structure, poor lubrication; Second kind is that motor shaft is concentric with wheel hub, rotate by the ring gear drive hub by the planetary reduction gear transmission device, this structure radial dimension is bigger, it is high that the requirement of concentricity requires processing and installation accuracy, the production cost height, fast for the nylon plastic(s) gear wear that noise-decreasing adopts, useful life is short.
The utility model content
The utility model purpose be improve bearing capacity for electric bicycle or battery-operated motor cycle provide a kind of, reduce mechanism, reduced volume, reduce cost, the gear reduction hub drive device of long service life.
A kind of gear reduction motor that is used to drive electric bicycle or electric motorcycle wheel hub of the utility model, mainly comprise rotor, stator, motor shaft (back shaft), it is characterized in that isolating by the motor right end cap between motor room and the gear chamber, the rotor tubular axis outer with being enclosed within motor shaft is connected, the clutch end of tubular axis is shaped on pinion and is inserted in the gear chamber, pinion in the gear chamber and the engagement of the gear wheel of coaxial two-gang gear, the pinion of coaxial two-gang gear and output gear engagement, output gear is concentric with above-mentioned tubular axis pinion, the shaggy block shape is made in the outer end of output gear, and with concavo-convex cooperation of projection of wheel hub axis hole inboard, or the outer end of output gear makes spline-shaped, is connected with keyway in the wheel hub axis hole.
Two bearings respectively are housed between described back shaft and tubular axis, the output gear, back-up ring are arranged between each bearing every putting.
The bearing that is contained between output gear and the gear chamber right end cap is the sealed bearing with sealing ring.
Described double crosslinking gear shaft passes through the bearing bearing between motor room's right end cap and gear chamber right end cap.
Described motor room right end cap and motor casing are made one.
The part outer surface of described motor casing is made the heat radiation sheet.
The outer end of output gear is shaped on three projections, and cooperates with three projections of wheel hub axis hole inboard.
The outer end of output gear also can cooperate with three projections of wheel hub axis hole inboard by six groove cushions, and wherein three projections of three of cushion grooves and wheel hub axis hole inboard are chimeric, three projections grafting in outer end of other three grooves and output gear.
The utility model and existing electric bicycle or battery-operated motor cycle drive unit are compared advantage and are: adopt input and export concentric double reduction transmission, volume is little, especially radial dimension is little, the car body weight reduction, and bearing capacity is big under the same motor power situation; Gear chamber sealing, but filling butter, lubricating condition is good, and gear wear is low, and noise is low; The disc of wheel hub directly is connected with output gear, and structure is comparatively simple, and packaging technology is simplified, and cost reduces.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment
Fig. 2 is an output gear structural representation among Fig. 1
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the outer end and the wheel hub axis hole fit structure schematic diagram of output gear.
Fig. 5 is another embodiment spline-shaped schematic diagram of outer end of output gear.
Embodiment
With reference to Fig. 1, the direct current machine in the utility model is a prior art, comprises motor stator 15, rotor 14.The utlity model has motor room and reduction gearing chamber, the motor room is made up of motor left end cap 11, motor casing 1, motor right end cap 1.2, the motor right end cap also can be made one with motor casing 15, and the part outer surface of motor casing 1 is made fin 1.1 shapes, can improve radiation effect of motor.The reduction gearing chamber is interlocked and is formed by motor right end cap 1.2, gear chamber right end cap 3; Double crosslinking gear shaft passes through bearing 17,18 bearings between motor room's right end cap 1.2 and gear chamber right end cap 3.Back shaft (motor shaft) 7 is positioned at the wheel hub axis, rotor DC machine 14 is fastening with tubular axis 13 interference fit that are enclosed within outside the back shaft 7, two bearings 12 are housed between back shaft 7 and the tubular axis 13, back-up ring (axle sleeve) 10 are arranged between bearing, make rotor 14 can drive tubular axis 13 and rotate every putting.The clutch end of tubular axis 13 is shaped on pinion 13.1, pinion 13.1 constitutes the one-level deceleration with gear wheel 2 engagements of coaxial two-gang gear, the pinion 4 of coaxial two-gang gear constitutes double reductions with output gear 5 engagements. and output gear 5 is concentric with above-mentioned pinion 13.1, also promptly concentric with back shaft 7, make concentricity obtain nature and guarantee processing and easy to assembly.Three projection 51 structures as Fig. 2, positive angular distribution shown in Figure 3 are made in the outer end of output gear 5, and itself and 19.1 concavo-convex cooperations of three projections of the positive angular distribution of wheel hub axis hole inboard can adopt also as shown in Figure 5 that hub splines cooperates, and drive hub rotates.Also be equipped with between back shaft 7 and the output gear 5 between 8, two bearings 8 of two bearings and bearing 8 and bearing 12 between also by back-up ring every putting.The bearing 9 that is contained between output gear 5 and the gear chamber right end cap 3 is the sealed bearing with sealing ring.
For making metal duplicate gear, output gear 5 in the gear chamber lubricated good, increase the service life, effectively reduce noise, one grease nipple can be installed on gear chamber right end cap 3, because the bearing 9 that is contained between output gear 5 and the gear chamber right end cap 3 is the sealed bearing with sealing ring, can make to keep more lubricating oil in the gear chamber.
As shown in Figure 4, for the projection 51 of the avoiding output gear projection 19.1 with the axis hole inboard of wheel hub inner ring 19 clashes into when rotating, the outer end of output gear 5 can cooperate with three projections 19.1 of wheel hub axis hole inboard by the six groove cushions of being made by polyamine fat or nylon material 20, wherein three of cushion 20 grooves and three projections 19.1 are chimeric, three grooves 21 and three projections 51 are pegged graft in addition, and projection 51 and projection 19.1 elasticity are contacted.The axis hole of mark 20.1 for passing among the figure for back shaft 7.
Claims (8)
1, a kind of gear reduction motor that is used to drive electric bicycle or electric motorcycle wheel hub, mainly comprise rotor (14), stator (15), motor shaft (7), it is characterized in that isolating by motor right end cap (1.2) between motor room and the gear chamber, rotor (14) tubular axis (13) outer with being enclosed within motor shaft (7) is connected, the clutch end of tubular axis is shaped on pinion (13.1) and is inserted in the gear chamber, pinion (13.1) in the gear chamber and the engagement of the gear wheel (2) of coaxial two-gang gear, pinion of coaxial two-gang gear (4) and output gear (5) engagement, output gear (5) is concentric with pinion (13.1), the shaggy block shape is made in the outer end of output gear (5), and with concavo-convex cooperation of projection of wheel hub axis hole inboard, or the outer end of output gear (5) makes spline-shaped, is connected with keyway in the wheel hub axis hole.
2, according to the gear reduction motor of the described wheel hub of claim 1, it is characterized in that between back shaft (7) and tubular axis (13), the output gear (5) two bearings being housed respectively, back-up ring is arranged every putting between each bearing.
3, according to the gear reduction motor of the described wheel hub of claim 2, the bearing (9) that it is characterized in that being contained between output gear (5) and the gear chamber right end cap (3) is the sealed bearing with sealing ring.
4,, it is characterized in that double crosslinking gear shaft passes through the bearing bearing between motor room's right end cap (1.2) and gear chamber right end cap (3) according to the gear reduction motor of claim 1 or 3 described wheel hubs.
5,, it is characterized in that motor room's right end cap (1.2) and motor casing (1) make one according to the gear reduction motor of the described wheel hub of claim 4.
6, gear reduction hub drive device according to claim 5 is characterized in that the part outer surface of motor casing (1) is made heat radiation sheet (1.1).
7,, it is characterized in that the outer end of output gear (5) is shaped on three projections (51), and cooperate with three projections (19.1) of wheel hub axis hole inboard according to the gear reduction motor of the described wheel hub of claim 1.
8, according to the gear reduction motor of the described wheel hub of claim 7, the outer end that it is characterized in that output gear (5) cooperates with three projections (19.1) of wheel hub axis hole inboard by six groove cushions (20), wherein three grooves of cushion (20) and three projections (19.1) are chimeric, in addition three grooves and three projections (51) grafting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203115854U CN201142618Y (en) | 2007-12-18 | 2007-12-18 | Gear reducer motor of hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203115854U CN201142618Y (en) | 2007-12-18 | 2007-12-18 | Gear reducer motor of hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201142618Y true CN201142618Y (en) | 2008-10-29 |
Family
ID=40070327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203115854U Expired - Fee Related CN201142618Y (en) | 2007-12-18 | 2007-12-18 | Gear reducer motor of hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201142618Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729812A (en) * | 2011-03-31 | 2012-10-17 | 本田技研工业株式会社 | Electric vehicle |
| CN103595184A (en) * | 2013-11-29 | 2014-02-19 | 四川阿克拉斯电动车有限公司 | Secondary gearing-down brushless electric motor assembly |
| CN103944305A (en) * | 2014-04-11 | 2014-07-23 | 苏州八方电机科技有限公司 | Hub motor device of electric bike |
| CN104079117A (en) * | 2014-07-23 | 2014-10-01 | 孙素梅 | Disc type gear motor |
| CN104104185A (en) * | 2014-07-28 | 2014-10-15 | 朱德仲 | Motor transmission device for shot blasting machine |
| CN107707074A (en) * | 2017-10-11 | 2018-02-16 | 江苏东航空机械有限公司 | A kind of motorcycle high-speed electric expreess locomotive |
-
2007
- 2007-12-18 CN CNU2007203115854U patent/CN201142618Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729812A (en) * | 2011-03-31 | 2012-10-17 | 本田技研工业株式会社 | Electric vehicle |
| CN102729812B (en) * | 2011-03-31 | 2015-04-29 | 本田技研工业株式会社 | Electric vehicle |
| CN103595184A (en) * | 2013-11-29 | 2014-02-19 | 四川阿克拉斯电动车有限公司 | Secondary gearing-down brushless electric motor assembly |
| CN103944305A (en) * | 2014-04-11 | 2014-07-23 | 苏州八方电机科技有限公司 | Hub motor device of electric bike |
| CN103944305B (en) * | 2014-04-11 | 2016-04-13 | 苏州八方电机科技有限公司 | Electric bicycle hub motor device |
| CN104079117A (en) * | 2014-07-23 | 2014-10-01 | 孙素梅 | Disc type gear motor |
| CN104104185A (en) * | 2014-07-28 | 2014-10-15 | 朱德仲 | Motor transmission device for shot blasting machine |
| CN107707074A (en) * | 2017-10-11 | 2018-02-16 | 江苏东航空机械有限公司 | A kind of motorcycle high-speed electric expreess locomotive |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201142618Y (en) | Gear reducer motor of hub | |
| CN210978405U (en) | Two-gear speed reducer of new energy automobile | |
| CN210502248U (en) | Low-speed large-torque electric wheel device and electric vehicle | |
| CN106143131A (en) | Sleeve rotor motor and folk art term planetary reduction gear band differential electric automobile dynamic system | |
| CN110873168A (en) | High-performance reduction gearbox of pure electric commercial vehicle | |
| CN103507628B (en) | A kind of wheel hub drive and comprise the vehicle of this wheel hub drive | |
| CN201090675Y (en) | Gear reduction wheel drive device | |
| CN210881654U (en) | Electric drive power assembly | |
| CN209870113U (en) | Two-in-one power assembly of new energy automobile | |
| CN209987734U (en) | Low-speed large-torque electric wheel device and electric automobile | |
| CN205226320U (en) | Differential mechanism subassembly | |
| CN201118351Y (en) | Shift bearing deceleration wheel hub electromotor for electric car | |
| CN104595424A (en) | Planetary wheel side reducer assembly | |
| CN201863399U (en) | Oil press | |
| CN211550460U (en) | High-performance reduction gearbox of pure electric commercial vehicle | |
| CN201570941U (en) | Speed reduction mechanism of hub motor | |
| CN209781659U (en) | Novel two keep off speed change with motor worm gear gearshift | |
| CN202127332U (en) | Hub motor | |
| CN211508831U (en) | Vehicle driving motor with built-in planet row speed reduction unit | |
| CN201419780Y (en) | Rear axle of electro-tricycle | |
| CN220850585U (en) | Planetary gear speed change device and hub motor | |
| CN105365996A (en) | Laterally hung bow cone type two-gear self-adaption automatic speed change driving assembly for electric motorcycle | |
| CN211335441U (en) | Coaxial electric drive axle and vehicle with same | |
| CN109532463A (en) | Planet Traction Drive bearing type reduction electric hub | |
| CN205298457U (en) | Differential mechanism subassembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ANHUI OULIN ELECTRICAL CO., LTD. Free format text: FORMER OWNER: ZHU MINGLONG Effective date: 20100413 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 317507 HEYE CO., LTD., NO.88, LIANCHENG ROAD (WEST), RUOHENG TOWN, WENLING CITY, ZHEJIANG PROVINCE TO: 247000 JIN AN INDUSTRIAL PARK, ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, CHIZHOU CITY, ANHUI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100413 Address after: 247000 Anhui city of Chizhou Province Economic and Technological Development Zone Jinan Industrial Park Patentee after: Anhui Oulin Electrical and Mechanical Co., Ltd. Address before: 317507 Zhejiang city of Wenling Province Wang Ruo Zhen Lian Cheng Lu (West) No. 88 Industry Company Patentee before: Zhu Minglong |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081029 Termination date: 20141218 |
|
| EXPY | Termination of patent right or utility model |