CN108045493A - A kind of built-in motor axis transmission structure on electric bicycle - Google Patents
A kind of built-in motor axis transmission structure on electric bicycle Download PDFInfo
- Publication number
- CN108045493A CN108045493A CN201711391384.4A CN201711391384A CN108045493A CN 108045493 A CN108045493 A CN 108045493A CN 201711391384 A CN201711391384 A CN 201711391384A CN 108045493 A CN108045493 A CN 108045493A
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- China
- Prior art keywords
- gear
- built
- support shaft
- case lid
- motor
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 47
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
- B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
- B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Retarders (AREA)
Abstract
The invention discloses the built-in motor axis transmission structure on a kind of electric bicycle, including built-in motor, the first bevel gear, the second bevel gear and drive shaft of rear wheel；Axis where the rotor of the built-in motor is vertical with the drive shaft of rear wheel, and the rotor is sequentially connected with first bevel gear by planet gear reducing mechanism；First bevel gear is engaged with second bevel gear transmission；Second bevel gear is concentric to be fixedly installed in described drive shaft of rear wheel one end；The rotor can drive drive shaft of rear wheel to rotate；The structure of the present invention is simple, compact-sized using all-gear drive, and operation is more steady when riding, and improves the cruise mileage of vehicle, while also provides motor driving and provide extra power in addition to foot-operated, allows in ride more easily.
Description
Technical field
The invention belongs to the built-in motor axis transmission structures on bicycle art more particularly to a kind of electric bicycle.
Background technology
Traditional mounted in medium of bicycle motor is all using chain wheel chain to be driven to pass torsion by the power of built-in motor output
Move to the chain wheel of trailing wheel, chain wheel and the trailing wheel of trailing wheel are integrated, so as to fulfill electrically driven (operated) purpose, the efficiency of chain drive compared with
The low comfort for influencing bicyclist, and chain easily it is bad also easily fall thus to bicyclist bring inconvenience.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention provides a kind of pure gear-driven electronic
Built-in motor axis transmission structure on bicycle has the characteristics that compact-sized, stable.
Technical solution：To achieve the above object, the built-in motor axis transmission structure on a kind of electric bicycle of the invention,
Including built-in motor, the first bevel gear, the second bevel gear and drive shaft of rear wheel；Axis and institute where the rotor of the built-in motor
It is vertical to state drive shaft of rear wheel, the rotor is sequentially connected with first bevel gear by planet gear reducing mechanism；Described first
Bevel gear is engaged with second bevel gear transmission；Second bevel gear is concentric to be fixedly installed in the drive shaft of rear wheel one
End；The rotor can drive drive shaft of rear wheel to rotate.
Further, the built-in motor is located between five axises and trailing wheel of bicycle；Five axis passes through ratchet
Mechanism is concentric to be equipped with middle-mounted gear；
Transmission gear, the transmission gear and the concentric fixed installation of the first bevel gear are further included, tooth is put in described
Wheel engages connection with transmission gear transmission；The rotating forward of five axises can drive the drive shaft of rear wheel to rotate.
Further, left case lid and right case lid are further included；The left case lid is detachably buckled into body structure with right case lid；
The built-in motor, the first bevel gear, middle-mounted gear, transmission gear and planet gear reducing mechanism are installed on institute jointly
Left case lid is stated to fasten in the babinet of formation with right case lid.
Further, the left case lid fastens with right case lid and support shaft is also equipped in the babinet of formation, the support
Axis and the concentric setting of five axises, and the support shaft both ends are respectively fixedly connected on the inside of the left case lid and right case lid；
The support shaft difference is concentric to pass through first bevel gear, transmission gear, rotor and planet gear reducing mechanism
Axis hole；Wherein described first bevel gear is rotatablely connected with the support shaft by bearing, the axis hole of the transmission gear and institute
Support shaft clearance fit is stated, the rotor is rotatablely connected with the support shaft by bearing.
Further, the support shaft is on the concentric movement stator through the built-in motor in one end of right case lid
Axis hole, the axis hole on the movement stator is interference fitted with the support shaft, and the movement stator leads to the support shaft
Cross the connection of rotation stop keyway rotation stop；The movement stator is also fixedly installed in by several pins on the inside of the right case lid；
Further, the planet gear reducing mechanism includes sun gear, planet carrier, ring gear and planetary gear；
Sun gear connection integrated with the rotor coaxial heart, and the support shaft is concentric through the sun gear
Axis hole, and the axis hole of the sun gear and the support shaft clearance fit；
The planet carrier is cyclic structure, and the planet carrier inner ring passes through the concentric company of rotation of bearing and the support shaft
It connects, and the planet carrier is synchronously fixedly connected with the transmission gear, and planet wheel spindle is vertically installed on the planet carrier, it is described
Planetary gear is installed on by bearing on the planet wheel spindle；
The ring gear is fixedly installed on the inside of the right case lid, the planetary gear simultaneously with sun gear outer ring tooth and
Ring gear inner ring tooth engagement connects.
Advantageous effect：The structure of the present invention is simple, compact-sized using all-gear drive, and operation is more steady when riding,
The cruise mileage of vehicle is improved, while motor driving is also provided, extra power in addition to foot-operated is provided, is allowed in ride more
Add easily, the chain transmission mode of abandoning tradition, effectively prevent chain-type bicycle easily fall chain, get rusty, transmission efficiency not
The drawbacks of high；The high deceleration ratio characteristic of planetary gear speed reducing mechanism is taken full advantage of, and then motor is made to provide bigger outputting torsion；Separately
Outside, motor power do not have electricity it is inadequate when, drive rotor operation by manually riding, brushless motor can also be converted to
Engine is power source charges.
Description of the drawings
Attached drawing 1 is structure principle chart of the present invention.
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings.
The built-in motor axis transmission structure on a kind of electric bicycle as shown in Figure 1, including built-in motor, the first umbrella
Gear 6, the second bevel gear 7 and drive shaft of rear wheel 20；The 17 place axis of rotor of the built-in motor and the drive shaft of rear wheel
20 is vertical, and the rotor 17 is sequentially connected with first bevel gear 6 by planet gear reducing mechanism；First bevel gear 6
It is engaged with second bevel gear 7 transmission；Second bevel gear 7 is concentric to be fixedly installed in the drive shaft of rear wheel 20 1
End；The rotor 17 can drive drive shaft of rear wheel 20 to rotate；Apparatus structure is made more using motor cooperation bevel gear drive mechanism
It is compact, to greatest extent using space, while the chain transmission mode of abandoning tradition, it effectively prevents chain-type bicycle and easily falls
Chain gets rusty, the drawbacks of transmission efficiency is not high.
The built-in motor is located between five axises 8 of bicycle and trailing wheel, in the present embodiment in put using
Brushless motor；Five axis 8 is equipped with middle-mounted gear 1 by the way that ratchet mechanism 2 is concentric, the ratchet mechanism 2 in the present embodiment
Identical with the ratchet principle of traditional press disc type chain bicycle, the present embodiment no longer does repeated description；Further include transmission gear
19, the transmission gear 19 and the 6 concentric fixed installation of the first bevel gear, the middle-mounted gear 1 and the transmission gear
19 transmission engagements connect, and in the present embodiment, bicyclist passes through foot pedal and drives 8 turns of five axis, and five axises 8 drive middle-mounted gear 1
Turn, middle-mounted gear 1 is with 19 turns of nutating gear, since 19 and first bevel gear 6 of transmission gear is integrated connection, transmission
19 and first bevel gear 6 of gear is synchronized with the movement, and then drive shaft of rear wheel 20 is driven to rotate, and finally drives trailing wheel；This programme is in electricity
Retain traditional five axises, 8 structure on the basis of dynamic, can also be ridden when motor out of power with foot-operated mode, in addition five axises
Also torsion is transferred to trailing wheel using gear, makes transmission more steady.
Further include left case lid 5 and right case lid 10；The left case lid 5 is detachably buckled into body structure with right case lid 10；Institute
It states built-in motor, the first bevel gear 6, middle-mounted gear 1, transmission gear 19 and planet gear reducing mechanism and is installed on the left case jointly
Lid 5 is fastened with right case lid 10 in the babinet formed；Left case lid 5 and right case lid 10 form closed chamber after fastening, and play close
Protective effect is sealed, avoids internal gear into drawbacks such as aqueous corrosions.
Left case lid 5 described in the present embodiment fastens in the babinet formed with right case lid 10 and is also equipped with support shaft 13, institute
Support shaft 13 and five axises, the 8 concentric setting are stated, and 13 both ends of the support shaft are respectively fixedly connected with 5 He of left case lid
Right 10 inside of case lid；The support shaft 13 is distinguished concentric through first bevel gear 6, transmission gear 19, rotor 17 and row
The axis hole of star wheel reducer structure；Wherein described first bevel gear 6 is rotatablely connected with the support shaft 13 by bearing, the transmission
The axis hole of gear 19 and 13 clearance fit of support shaft, the rotor 17 are rotatablely connected with the support shaft 13 by bearing,
Axis hole of the support shaft 13 on the concentric movement stator 15 through the built-in motor in one end of right case lid 10, in order to
Assembly precision is improved, the axis hole on movement stator 15 in the present embodiment is interference fitted with the support shaft 13, and the movement
Stator 15 is connected with the support shaft 13 by 22 rotation stop of rotation stop keyway；The movement stator 15 is also fixed by several pins pacifies
Loaded on right 10 inside of case lid；Make all parts structure further compact using 13 structure of support shaft, a fixed support
Axis 13 passes through each critical component, ensure that the concentricity of all parts in its support shaft 13, while in dismounting, maintenance and life
The superiority of the matching relationship can be embodied in production assembly technology.
The planet gear reducing mechanism includes sun gear 21, planet carrier 16, ring gear 18 and planetary gear 11；The sun gear
21 with the concentric integrated connection of the rotor 17, and the concentric axis hole through the sun gear 21 of the support shaft 13, and
The axis hole of the sun gear 21 and 13 clearance fit of support shaft；The planet carrier 16 be cyclic structure, the planet carrier 16
Inner ring is by bearing and the 13 concentric rotation connection of support shaft, and the planet carrier 16 passes through pin and the transmission gear
19 synchronized links, planet wheel spindle 23 is vertically installed on the planet carrier 16, and the planetary gear 11 is installed on described by bearing
On planet wheel spindle 23；The ring gear 18 is fixedly installed in 10 inside of the right case lid, the planetary gear 11 simultaneously with it is described too
Sun 21 outer ring teeth of wheel are connected with 18 inner ring tooth engagement of ring gear；The high deceleration ratio characteristic of planetary gear speed reducing mechanism is taken full advantage of, into
And motor is made to provide bigger outputting torsion.
Supplementary notes：Reference numeral 14 in the present embodiment is bearing.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of built-in motor axis transmission structure on electric bicycle, it is characterised in that：Including built-in motor, the first bevel gear
(6), the second bevel gear (7) and drive shaft of rear wheel (20)；
Axis where the rotor (17) of the built-in motor is vertical with the drive shaft of rear wheel (20), the rotor (17) with it is described
First bevel gear (6) is sequentially connected by planet gear reducing mechanism；First bevel gear (6) and second bevel gear (7)
Transmission engagement；Second bevel gear (7) is concentric to be fixedly installed in the drive shaft of rear wheel (20) one end.
2. the built-in motor axis transmission structure on a kind of electric bicycle according to claim 1, it is characterised in that：It is described
Built-in motor is located at five axises (8) of bicycle between trailing wheel；Five axis (8) is coaxially felt at ease by ratchet mechanism (2)
Equipped with middle-mounted gear (1)；
Transmission gear (19), the transmission gear (19) and the concentric fixed installation of first bevel gear (6) are further included, it is described
Middle-mounted gear (1) engages connection with the transmission gear (19) transmission；Five axises (8) rotating forward can drive the drive shaft of rear wheel
(20) rotate.
3. the built-in motor axis transmission structure on a kind of electric bicycle according to claim 2, it is characterised in that：Also wrap
Include left case lid (5) and right case lid (10)；The left case lid (5) is detachably buckled into body structure with right case lid (10)；
The built-in motor, the first bevel gear (6), middle-mounted gear (1), transmission gear (19) and planet gear reducing mechanism are pacified jointly
It is fastened loaded on the left case lid (5) and right case lid (10) in the babinet formed.
4. the built-in motor axis transmission structure on a kind of electric bicycle according to claim 3, it is characterised in that：It is described
Left case lid (5) fastens in the babinet formed with right case lid (10) and is also equipped with support shaft (13), the support shaft (13) and institute
Five axises (8) concentric setting is stated, and the support shaft (13) both ends are respectively fixedly connected with the left case lid (5) and right case lid
(10) inside；
The support shaft (13) is concentric respectively to pass through first bevel gear (6), transmission gear (19), rotor (17) and planet
Take turns the axis hole of reducing gear；Wherein described first bevel gear (6) is rotatablely connected with the support shaft (13) by bearing, the biography
The axis hole of moving gear (19) and the support shaft (13) clearance fit, the rotor (17) pass through bearing with the support shaft (13)
Rotation connection.
5. the built-in motor axis transmission structure on a kind of electric bicycle according to claim 4, it is characterised in that：It is described
Axis hole of the support shaft (13) on the concentric movement stator (15) through the built-in motor in one end of right case lid (10), institute
The axis hole stated on movement stator (15) is interference fitted with the support shaft (13), and the movement stator (15) and the support shaft
(13) connected by rotation stop keyway (22) rotation stop；The movement stator (15) is also fixedly installed in the right case by several pins
It covers on the inside of (10).
6. a kind of built-in motor axis transmission structure on electric bicycle according to claim 1 or 4, it is characterised in that：
The planet gear reducing mechanism includes sun gear (21), planet carrier (16), ring gear (18) and planetary gear (11)；
The sun gear (21) and the concentric integrated connection of the rotor (17), and the support shaft (13) is concentric through institute
State the axis hole of sun gear (21), and the axis hole of the sun gear (21) and the support shaft (13) clearance fit；
The planet carrier (16) is cyclic structure, and planet carrier (16) inner ring is concentric by bearing and the support shaft (13)
Rotation connection, and the planet carrier (16) is synchronously fixedly connected with the transmission gear (19), it is vertical on the planet carrier (16)
Planet wheel spindle (23) is installed, the planetary gear (11) is installed on by bearing on the planet wheel spindle (23)；
The ring gear (18) is fixedly installed on the inside of the right case lid (10), the planetary gear (11) and meanwhile with the sun gear
(21) outer ring tooth is connected with ring gear (18) inner ring tooth engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391384.4A CN108045493B (en) | 2017-12-21 | 2017-12-21 | Centrally-mounted motor shaft transmission structure on electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391384.4A CN108045493B (en) | 2017-12-21 | 2017-12-21 | Centrally-mounted motor shaft transmission structure on electric bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108045493A true CN108045493A (en) | 2018-05-18 |
| CN108045493B CN108045493B (en) | 2024-04-12 |
Family
ID=62131023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711391384.4A Active CN108045493B (en) | 2017-12-21 | 2017-12-21 | Centrally-mounted motor shaft transmission structure on electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108045493B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2494309Y (en) * | 2001-08-01 | 2002-06-05 | 傅胜国 | Folding chain-free shock-absorbing bicycle |
| CA2371957A1 (en) * | 2001-03-15 | 2002-09-15 | Guangzhou Motors Group Company | Chainless transmission mechanism for bicycles |
| CN2817193Y (en) * | 2005-09-06 | 2006-09-13 | 周雪峰 | Co-center shaft middle mounted motor for electric vehicle |
| CN102420494A (en) * | 2011-12-27 | 2012-04-18 | 江苏元始高科技有限公司 | Variable speed wheel-disc integrated mid-motor in electrical bicycle |
| US20130020854A1 (en) * | 2011-07-20 | 2013-01-24 | Lg Innotek Co., Ltd. | Traction motor |
| CN204110306U (en) * | 2014-09-01 | 2015-01-21 | 严振华 | The Electrical Bicycle of built-in motor is installed |
| WO2016011921A1 (en) * | 2014-07-21 | 2016-01-28 | 严振华 | Reduction ratio variable hub motor for electric bicycle |
| US20160332696A1 (en) * | 2013-12-18 | 2016-11-17 | Ms Rei S.R.L. | Gear motor system for vehicles with two or three wheels, installable coaxially with the bottom bracket of the vehicle and vehicle comprising said system |
| CN107176257A (en) * | 2017-06-29 | 2017-09-19 | 太仓市荣驰电机有限公司 | A kind of longitudinal motor driven systems of bicycle |
| CN107176259A (en) * | 2017-07-10 | 2017-09-19 | 太仓市荣驰电机有限公司 | A kind of mounted in medium of bicycle motor shaft passes drive system |
| CN207889932U (en) * | 2017-12-21 | 2018-09-21 | 无锡岚凌卓维动力科技有限公司 | A kind of drive mechanism on electric bicycle |
-
2017
- 2017-12-21 CN CN201711391384.4A patent/CN108045493B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2371957A1 (en) * | 2001-03-15 | 2002-09-15 | Guangzhou Motors Group Company | Chainless transmission mechanism for bicycles |
| CN2494309Y (en) * | 2001-08-01 | 2002-06-05 | 傅胜国 | Folding chain-free shock-absorbing bicycle |
| CN2817193Y (en) * | 2005-09-06 | 2006-09-13 | 周雪峰 | Co-center shaft middle mounted motor for electric vehicle |
| US20130020854A1 (en) * | 2011-07-20 | 2013-01-24 | Lg Innotek Co., Ltd. | Traction motor |
| CN102420494A (en) * | 2011-12-27 | 2012-04-18 | 江苏元始高科技有限公司 | Variable speed wheel-disc integrated mid-motor in electrical bicycle |
| US20160332696A1 (en) * | 2013-12-18 | 2016-11-17 | Ms Rei S.R.L. | Gear motor system for vehicles with two or three wheels, installable coaxially with the bottom bracket of the vehicle and vehicle comprising said system |
| WO2016011921A1 (en) * | 2014-07-21 | 2016-01-28 | 严振华 | Reduction ratio variable hub motor for electric bicycle |
| CN204110306U (en) * | 2014-09-01 | 2015-01-21 | 严振华 | The Electrical Bicycle of built-in motor is installed |
| CN107176257A (en) * | 2017-06-29 | 2017-09-19 | 太仓市荣驰电机有限公司 | A kind of longitudinal motor driven systems of bicycle |
| CN107176259A (en) * | 2017-07-10 | 2017-09-19 | 太仓市荣驰电机有限公司 | A kind of mounted in medium of bicycle motor shaft passes drive system |
| CN207889932U (en) * | 2017-12-21 | 2018-09-21 | 无锡岚凌卓维动力科技有限公司 | A kind of drive mechanism on electric bicycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108045493B (en) | 2024-04-12 |
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