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CN108068985A - The electric vehicle using motor of this device of stepless speed change device and application - Google Patents

The electric vehicle using motor of this device of stepless speed change device and application Download PDF

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Publication number
CN108068985A
CN108068985A CN201611027897.2A CN201611027897A CN108068985A CN 108068985 A CN108068985 A CN 108068985A CN 201611027897 A CN201611027897 A CN 201611027897A CN 108068985 A CN108068985 A CN 108068985A
Authority
CN
China
Prior art keywords
gear
speed change
change device
sun gear
stepless speed
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.)
Pending
Application number
CN201611027897.2A
Other languages
Chinese (zh)
Inventor
杜磊
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.)
Beijing Light Passenger Train Intelligence Science And Technology Ltd Co
Original Assignee
Beijing Light Passenger Train Intelligence Science And Technology Ltd Co
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 Beijing Light Passenger Train Intelligence Science And Technology Ltd Co filed Critical Beijing Light Passenger Train Intelligence Science And Technology Ltd Co
Priority to CN201611027897.2A priority Critical patent/CN108068985A/en
Publication of CN108068985A publication Critical patent/CN108068985A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M11/00Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/04Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
    • B62M11/14Transmissions 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)
  • Structure Of Transmissions (AREA)

Abstract

The present invention provides a kind of electric vehicle using motor of this device of stepless speed change device and application, including epicyclic variable-speed gear, it is characterised in that:The epicyclic variable-speed gear includes sun gear, planet carrier, planetary gear, planetary gear ring and connecting plate.The beneficial effects of the invention are as follows the application can by adjusting the rotating speed of sun gear, to realize the variation of gear, due to rotating speed be one can be with the variable of consecutive variations, so variable speed can be realized.It can trampling sensation more steady and smooth in riding, remain certain and trample frequency and trample dynamics, better experience is brought to bicyclist.

Description

The electric vehicle using motor of this device of stepless speed change device and application
Technical field
The present invention relates to electric vehicle using motor accessories field, more particularly, to a kind of stepless speed change device and using this device Electric vehicle using motor.
Background technology
In the prior art, there are the following problems in riding for Moped Scooter, due to during pushes pedals, speed Be continuously increased, trampling frequency will improve, when speed increase to a certain extent when, it may occur that sky situation about stepping on can be ridden at this time Passerby brings very big discomfort.
The content of the invention
The object of the present invention is to provide a kind of stepless speed change device that can improve experience of riding and using this device Electric vehicle using motor.
The technical scheme is that:
A kind of stepless speed change device, including epicyclic variable-speed gear, the epicyclic variable-speed gear include sun gear, planet carrier, Planetary gear, planetary gear ring and connecting plate,
The sun gear is hollow along its axis direction, and the sun gear is rotatablely connected with the planet carrier;
At least two planetary gears are provided on the planet carrier, the planetary gear is engaged with the sun gear;
Gap is left between the connecting plate and the planet carrier, the connecting plate is solid on the one side of the planet carrier Surely it is provided with the planetary gear ring engaged with the planetary gear;
Further include to adjust the power set of sun wheel speed.
Further, the power set include motor, first gear and second gear, are set in the output terminal of the motor There is first gear;Described planetary one end is provided with second gear in the sun gear;
The first gear is intermeshed with the second gear.
Further, the radius of the first gear is more than the radius of second gear.
Further, the power set include motor, the first belt pulley and the second belt pulley, in the output terminal of the motor It is provided with the first belt pulley;Described planetary one end is provided with the second belt pulley in the sun gear;
First belt pulley is connected with second belt pulley by belt.
Further, the radius of first belt pulley is more than the radius of the second belt pulley.
Further, it is provided with dismountable chain wheel on the outside of the planet carrier.
Further, axis and elastic component are further included, deformation sensor is provided on the elastic component;
The axis is passed through from the center of sun gear, and is pierced by the connecting plate;The axis passes through the elastic component It is fixedly connected with the connecting plate, is rotatablely connected between the elastic component and the sun gear.
Further, it is provided with bearing between the axis and the sun gear.
Further, shell is further included, the power set are arranged on the enclosure, and the both ends of the axis are worn respectively Go out the both sides of the shell, bearing be provided between the right part of the shell and the axis, the sun gear with it is described Bearing is provided between shell.
Due to the adoption of the above technical scheme, the application has the following advantages that:
1st, the application can by adjusting the rotating speed of sun gear, to realize the variation of gear, due to rotating speed be one can be with The variable of consecutive variations, so variable speed can be realized.It can to trample sensation more steady and smooth in riding, maintain It is certain to trample frequency and trample dynamics, bring better experience to bicyclist.
2nd, the power set in the application propose two kinds of optional technical solutions, and common ground is output terminal at a high speed End, gear radius is smaller or pulley radius is smaller;Sun gear end is low speed end, and gear radius is larger or belt pulley half Footpath is larger, and the purpose so done is that the power of bigger can be brought to vehicle using motor so that torque is increased.
3rd, it is connected between axis and chain wheel by two components of elastomer and connecting plate, when rotated, elastomer can occur Corresponding deformation, the changing sensor on elastomer that is sticked senses, the frequency trampled can be experienced using this signal, is trampled The size of strength.
4th, shell is further included, bearing is provided between shell and sun gear, reduces resistance, prolongs the service life, while electricity Machine is also placed in enclosure, plays the role of protecting motor.
5th, between axis and sun gear, be both provided with bearing between axis and shell, it is such can be with to the setting of vehicle Ensure the uniform force of axis, while ensure smooth rotation.
Present invention also provides a kind of electric vehicle using motors, and including speed change gear, the speed change gear is any involved in text A kind of stepless speed change device.Experience of riding can be improved by being equipped with the bicycle of such speed change speed change gear, reduced sky and stepped on phenomenon Generation.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the present invention;
Fig. 2 is the overall structure diagram of the present invention;
The elastomer force structure schematic diagram of Fig. 3 present invention;
Fig. 4 is complete vehicle structure schematic diagram of the present invention.
In figure:
1st, epicyclic variable-speed gear;
1.1st, sun gear, 1.2 planet carriers, 1.3, planetary gear ring, 1.4, connecting plate;1.5th, planetary gear;
2nd, power set;
2.1st, motor;
2.11, first gear;2.12, second gear;
3rd, chain wheel;
4th, axis;
5th, elastic component;
6th, changing sensor;
7th, bearing;
8th, shell;
9th, vehicle frame.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation Content disclosed by book understands other advantages and effect of the present invention easily.
It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only specification to be coordinated to be taken off The content shown so that those skilled in the art understands and reads, is not limited to the enforceable qualifications of the present invention, therefore Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the present invention Under the effect of can be generated and the purpose that can reach, it should all still fall and obtain the model that can cover in disclosed technology contents In enclosing.Meanwhile cited such as " on ", " under ", "left", "right", the term of " centre " in this specification, it is merely convenient to chat That states understands rather than that limit the present invention enforceable scope relativeness is altered or modified, and skill is being changed without essence It is held in art, when being also considered as the enforceable scope of the present invention.
As shown in Figure 1, The present invention gives
A kind of stepless speed change device, including epicyclic variable-speed gear, the epicyclic variable-speed gear includes sun gear 1.1, planet Frame 1.2, planetary gear 1.5, planetary gear ring 1.3 and connecting plate 1.4,
The sun gear 1.1 is hollow along its axis direction, and the sun gear 1.1 is rotated with the planet carrier 1.2 and connected It connects;
Be provided at least two planetary gears 1.5 on the planet carrier 1.2, the planetary gear 1.5 with it is described too 1.1 engagement of sun wheel;
Gap is left between the connecting plate 1.4 and the planet carrier 1.2, the connecting plate 1.4 is close to the planet carrier The planetary gear ring 1.3 engaged with the planetary gear 1.5 is fixedly installed on 1.2 one side;
The principle of planetary transmission is applied in the application, input terminal is connecting plate 1.4, and output terminal is planet carrier 1.2, By changing rotating speed that sun gear 1.1 takes turns come control output end and the rotating ratio of input terminal, specific formula is as follows,
By 1.5 speed ratio calculation formula of planetary gear:
When being not fixed relationship due to connecting plate 1.4 and planet carrier 1.2, opposite turn can occur around axis 4 for the two It is dynamic, while planetary gear ring 1.3 is additionally provided on connecting plate 1.4, when 1.1 common rotation of planetary gear ring 1.3 and sun gear, row Carrier 1.2 also rotates under the action of planetary gear 1.5, and as shown from the above formula, 1.2 velocity of rotation of planet carrier can relatively go 1.3 speed of star ring gear increases.
Further including to adjust the power set of 1.1 rotating speed of sun gear, this device is used to control the rotating speed of sun gear 1.1, As shown from the above formula, when 1.3 rotating speed of planetary gear ring is certain, rotating ratio is certain, when the rotating speed raising with sun gear 1.1, row The rotating speed of star ring gear 1.3 and the rotating speed of planet carrier 1.2 improve therewith.
Wherein power set can have two ways realization:
(1) gear drive:
The power set include motor 2.1, first gear 2.11 and second gear 2.12, in the defeated of the motor 2.1 Outlet is provided with first gear 2.11;The one end of the sun gear 1.1 away from the planetary gear 1.5 is provided with second gear 2.12;
The first gear 2.11 is intermeshed with the second gear 2.12.
Simultaneously in order to obtain the torque of bigger, the radius of the first gear 2.11 is more than the radius of second gear 2.12.
(2) pulley drive:
The power set include motor 2.1, the first belt pulley and the second belt pulley, in the output terminal of the motor 2.1 It is provided with the first belt pulley;The one end of the sun gear 1.1 away from the planetary gear 1.5 is provided with the second belt pulley;
First belt pulley is connected with second belt pulley by belt.
Simultaneously in order to obtain the torque of bigger, the radius of first belt pulley is more than the radius of the second belt pulley.Due to Belt pulley technology is relatively simple, therefore is being not shown in figure.
In order to preferably apply this device on bicycle, we make it following improvement, the planet carrier 1.2 Outside is provided with dismountable chain wheel 3;Chain wheel 3 can be fixed on the circumference of planet carrier 1.2 by connection modes such as bolt, buckles Outside.
Based on the above technical solutions, we also device is with the addition of such as lower component therefore, the present apparatus further includes axis 4 With elastic component 5, deformation sensor is provided on the elastic component 5;
The axis 4 is passed through from the center of sun gear 1.1, and is pierced by the connecting plate 1.4;The axis 4 passes through institute It states elastic component 5 to be fixedly connected with the connecting plate 1.4, be rotatablely connected between the elastic component 5 and the sun gear 1.1.
As shown in figure 3, wherein axis 4 by elastic component 5 with being fixedly connected at the center of connecting plate 1.4, in connecting plate 1.4 Outer rim on again be fixedly installed chain wheel 3;When in riding condition, human body, which is trampled, applies axle power, however chain at this time Item is applied with resistance again to chain wheel 3, and the reversed of power and resistance generates a torque on the contrary, this torque causes elastic component 5 Deformation, and set on elastic component 5 changing sensor 6 (due to this changing sensor 6 be a frivolous patch, this patch It is sticked on the surface of elastomer, it is difficult to shown in the figure, therefore be not shown in figure), and this deformation quantity is captured, this The size of deformation signal reflects the size of torque value, so epicyclic variable-speed gear can be controlled by this signal, works as deformation When signal becomes larger, 1.1 rotating speed of sun gear is reduced, gear reduces, and improves torque output;When deformation signal change is small, the sun is improved 1.1 rotating speeds are taken turns, gear rise proposes high-revolving output.
Bearing 7 is provided between the axis 4 and the sun gear 1.1.
As shown in Fig. 2, the present apparatus further includes shell 8, the power set are arranged on inside the shell 8, the axis 4 Both ends be pierced by the both sides of the shell 8 respectively, be provided with bearing 7 between the shell 8 and the right part of the axis 4, Bearing 7 is provided between the sun gear 1.1 and the shell 8.
Between the right side of axis 4 and sun gear 1.1, bearing 7 is both provided between the left side of axis 4 and shell 8, herein The effect of bearing 7 also acts the effect for strengthening axis semi-finals degree in addition to it rotation can be made more to smooth out.
It also proposed a kind of electric vehicle using motor in this application, including speed change gear, the speed change gear is to be carried in the application The stepless speed change device gone out.
(pedal of 4 both sides of axis is not shown with crank in figure) as shown in Figure 4, when this device is assembled on electric vehicle using motor When, this part is assemblied in 9 bottom of vehicle frame of bicycle, and when pushes pedals, crank passes torque to axis 4, due to axis 4 It is connected by elastic component 5 with chain wheel 3, the effect on chain wheel 3 in chain at this time generates drag effect, due to drag effect and pedal On power effect on the contrary, so be elastic component 5 generate deformation, this deformation signal quilt, is sticked in 5 body of elastic component at this time On changing sensor 6 experience, changing sensor 6 and then this signal is passed into controller, then by controller by signal Driver is passed to, finally so that the rotating speed of sun gear 1.1 changes;When 1.1 rotation speed change of sun gear, planet carrier 1.2 rotating speed can change, and then 3 rotating speed of chain wheel being connected on planet carrier 1.2 can change therewith, at this time be equivalent to Hand gear on multi-speed bicycle adjusts, as follows specific corresponding to relation:
(1) 1.1 rotating speed of sun gear raises, and is equivalent to upshift;
(2) 1.1 rotating speed of sun gear is reduced or inverted, and is equivalent to downshift.
Such more existing gear shift mode of gear shift mode has the following advantages that, since existing gear shift mode gear range is apparent, Pause and transition in rhythm or melody sense can be generated in shift process, for such gearshift mode due to being adjusted by the variation of rotating speed, gearshift is continuous, electrodeless Change, the gearshift for being carries out steady and smooth.
One embodiment of the present of invention is described in detail above, but the content is only the preferable implementation of the present invention Example, it is impossible to be construed as limiting the practical range of the present invention.All all the changes and improvements made according to the present patent application scope Deng, should all still belong to the present invention patent covering scope within.

Claims (10)

1. a kind of stepless speed change device, including epicyclic variable-speed gear, it is characterised in that:The epicyclic variable-speed gear includes the sun Wheel, planet carrier, planetary gear, planetary gear ring and connecting plate,
The sun gear is hollow along its axis direction, and the sun gear is rotatablely connected with the planet carrier;
At least two planetary gears are provided on the planet carrier, the planetary gear is engaged with the sun gear;
Gap is left between the connecting plate and the planet carrier, connecting plate fixation on the one side of the planet carrier is set It is equipped with the planetary gear ring engaged with the planetary gear;
Further include to adjust the power set of sun wheel speed.
2. stepless speed change device according to claim 1, it is characterised in that:The power set include motor, the first tooth Wheel and second gear, the first gear is provided in the output terminal of the motor;In the sun gear away from the planet tooth One end of wheel is provided with the second gear;
The first gear is intermeshed with the second gear.
3. stepless speed change device according to claim 2, it is characterised in that:The radius of the first gear is more than the second tooth The radius of wheel.
4. stepless speed change device according to claim 1, it is characterised in that:The power set include motor, the first skin Belt wheel and the second belt pulley are provided with the first belt pulley in the output terminal of the motor;In the sun gear away from the planet One end of gear is provided with the second belt pulley;
First belt pulley is connected with second belt pulley by belt.
5. stepless speed change device according to claim 4, it is characterised in that:The radius of first belt pulley is more than second The radius of belt pulley.
6. the stepless speed change device according to claim 3 or 5, it is characterised in that:Being provided on the outside of the planet carrier can The chain wheel of dismounting.
7. stepless speed change device according to claim 6, it is characterised in that:Further include axis and elastic component, the elasticity Deformation sensor is provided on part;
The axis is passed through from the center of sun gear, and is pierced by the connecting plate;The axis passes through the elastic component and institute It states connecting plate to be fixedly connected, be rotatablely connected between the elastic component and the sun gear.
8. stepless speed change device according to claim 7, it is characterised in that:It is set between the axis and the sun gear There is bearing.
9. stepless speed change device according to claim 8, it is characterised in that:Shell is further included, the power set are set In the enclosure, the both ends of the axis are pierced by the both sides of the shell respectively, on the right side of the shell and the axis Bearing is provided between portion, bearing is provided between the sun gear and the shell.
10. a kind of electricity vehicle using motor, including speed change gear, it is characterised in that:The speed change gear is any one in right 1~9 Kind stepless speed change device.
CN201611027897.2A 2016-11-18 2016-11-18 The electric vehicle using motor of this device of stepless speed change device and application Pending CN108068985A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611027897.2A CN108068985A (en) 2016-11-18 2016-11-18 The electric vehicle using motor of this device of stepless speed change device and application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611027897.2A CN108068985A (en) 2016-11-18 2016-11-18 The electric vehicle using motor of this device of stepless speed change device and application

Publications (1)

Publication Number Publication Date
CN108068985A true CN108068985A (en) 2018-05-25

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108071764A (en) * 2016-11-18 2018-05-25 北京轻客智能科技有限责任公司 The electric vehicle using motor of this device of infinitely variable speed transmission and application

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05319354A (en) * 1992-05-21 1993-12-03 Imasen Denki Seisakusho:Kk Two-driving electric motor bicycle
CN202381630U (en) * 2012-01-05 2012-08-15 宏万兵 Continuously variable transmission structure of planetary gears
WO2013001698A1 (en) * 2011-06-28 2013-01-03 パナソニック株式会社 Torque detector for electric bicycle
EP2930097A1 (en) * 2014-04-10 2015-10-14 Elektromotorenwerk Grünhain GmbH Drive for an electric bicycle
CN105927716A (en) * 2016-06-28 2016-09-07 北京轻客智能科技有限责任公司 Torque sensor and riding device comprising torque sensor
CN105966539A (en) * 2016-04-09 2016-09-28 北京轻客智能科技有限责任公司 Torque induction intermediate shaft
CN206190839U (en) * 2016-11-18 2017-05-24 北京轻客智能科技有限责任公司 Electric vehicle using motor of infinitely variable transmission and applied this device
CN206218130U (en) * 2016-11-18 2017-06-06 北京轻客智能科技有限责任公司 Stepless speed change device and the electric vehicle using motor using this device
CN108071764A (en) * 2016-11-18 2018-05-25 北京轻客智能科技有限责任公司 The electric vehicle using motor of this device of infinitely variable speed transmission and application

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05319354A (en) * 1992-05-21 1993-12-03 Imasen Denki Seisakusho:Kk Two-driving electric motor bicycle
WO2013001698A1 (en) * 2011-06-28 2013-01-03 パナソニック株式会社 Torque detector for electric bicycle
CN202381630U (en) * 2012-01-05 2012-08-15 宏万兵 Continuously variable transmission structure of planetary gears
EP2930097A1 (en) * 2014-04-10 2015-10-14 Elektromotorenwerk Grünhain GmbH Drive for an electric bicycle
CN105966539A (en) * 2016-04-09 2016-09-28 北京轻客智能科技有限责任公司 Torque induction intermediate shaft
CN105927716A (en) * 2016-06-28 2016-09-07 北京轻客智能科技有限责任公司 Torque sensor and riding device comprising torque sensor
CN206190839U (en) * 2016-11-18 2017-05-24 北京轻客智能科技有限责任公司 Electric vehicle using motor of infinitely variable transmission and applied this device
CN206218130U (en) * 2016-11-18 2017-06-06 北京轻客智能科技有限责任公司 Stepless speed change device and the electric vehicle using motor using this device
CN108071764A (en) * 2016-11-18 2018-05-25 北京轻客智能科技有限责任公司 The electric vehicle using motor of this device of infinitely variable speed transmission and application

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108071764A (en) * 2016-11-18 2018-05-25 北京轻客智能科技有限责任公司 The electric vehicle using motor of this device of infinitely variable speed transmission and application

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Application publication date: 20180525