CN103192934A - Middle drive system for electric bicycles - Google Patents
Middle drive system for electric bicycles Download PDFInfo
- Publication number
- CN103192934A CN103192934A CN2013101243754A CN201310124375A CN103192934A CN 103192934 A CN103192934 A CN 103192934A CN 2013101243754 A CN2013101243754 A CN 2013101243754A CN 201310124375 A CN201310124375 A CN 201310124375A CN 103192934 A CN103192934 A CN 103192934A
- Authority
- CN
- China
- Prior art keywords
- motor
- drive system
- clutch
- electrical bicycle
- sliding sleeve
- 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
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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
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/55—Rider propelled cycles with auxiliary electric motor power-driven at crank shafts parts
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- 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
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/45—Control or actuating devices therefor
- B62M6/50—Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a middle drive system for electric bicycles. The middle drive system comprises a motor, a transmission reversing mechanism and a middle shaft. The middle shaft is rotatably disposed in a middle shaft case, and two ends of the middle shaft are in drive connection with pedals. The middle shaft case is mounted on a bottom bracket of an electric bicycle. A torque sensor is disposed on the middle shaft and electrically connected with a controller. The controller is electrically connected with the motor. The transmission reversing mechanism comprises a first clutch and a second clutch, wherein the first clutch is composed of an inner ring and a middle ring and the second clutch is composed of an outer ring and the middle ring. The first clutch and the second clutch lock in opposite directions. The inner ring is fixed on the middle shaft, and a driving sprocket is fixed on the middle ring and is in drive connection with a driven sprocket of a rear axle of the electric bicycle, and the outer ring is in drive connection with the motor. The middle drive system is high in drive efficiency, simple to install and convenient to maintain, allows for switching between manpower and motor drive by adding the controller and the torque sensor for the adjustment of motor output, and enables riding laborsaving and convenient.
Description
Technical field
The present invention relates to a kind of Electrical Bicycle middle drive system.
Background technology
Electrical Bicycle refers to storage battery on the basis of ordinary bicycle, the Personal Transporter of the electromechanical integration of control member such as motor, controller, storage battery, handle brake lever and display instrument system to be installed as auxiliary energy.The drive system of existing Electrical Bicycle is the shaft core position that motor is placed trailing wheel mostly, is rotated this kind mode complex structure by the motor direct-drive trailing wheel, difficulty is installed, safeguard inconvenience, and the powershift between its manpower and the motor-driven is intelligent inadequately, causes the problem of the effort of riding.
Summary of the invention
The objective of the invention is at the problems referred to above, a kind of Electrical Bicycle middle drive system is provided, there is complex structure, difficulty is installed, safeguards inconvenient problem with the drive system that solves existing Electrical Bicycle, and the powershift between manpower and the motor-driven is intelligent inadequately, causes the problem of the effort of riding.
The objective of the invention is to be achieved through the following technical solutions:
A kind of Electrical Bicycle middle drive system, described drive system is by motor, transmission direction reverser and axis constitute, described axis rotates and is arranged in the intermediate axle housing, and its two ends and stretcher are in transmission connection, described intermediate axle housing is installed on the five-way pipe of Electrical Bicycle, described axis is provided with torque sensor, described torque sensor is electrically connected with controller, described controller is electrically connected with motor, described transmission direction reverser comprises by inner ring, the first clutch that centre circle constitutes reaches by the outer ring, the second clutch that centre circle constitutes, the stop direction of described first clutch and second clutch is opposite, described inner ring is fixed on the axis, be set with drive sprocket on the described centre circle, the driven sprocket of hind axle is in transmission connection on described drive sprocket and the Electrical Bicycle, and described outer ring and motor are in transmission connection.
Further, described torque sensor comprises and is fixedly installed on the fixed cover on the axis and is slidingly connected at sliding sleeve on the axis, described sliding sleeve is provided with magnet ring, and the arranged outside of sliding sleeve has the displacement pickup that is electrically connected with controller, be provided with annular stage clip between sliding sleeve and the axis, and sliding sleeve and fixed cover are close to, and described fixed cover is provided with first inclined-plane near an end of sliding sleeve, and described first inclined-plane matches with second inclined-plane on being arranged on sliding sleeve.
Further, described controller is built in the motor, is structure as a whole with motor.
Further, the arranged outside of described outer ring has tooth, is fixedly connected with the gear that is meshed with tooth on the outer ring on the output shaft of described motor.
Further, described motor is brshless DC motor, submits to little, in light weight and torque is big.
Further, described drive system integral body is the Π type, Stability Analysis of Structures, reliable, be convenient to install, safeguard, setted structure parts and production system that it can utilize standard bicycle have to greatest extent reduced cost, and the suitable various bicycle DIY of this kind structure repack power-assisted electric vehicle into.
Beneficial effect of the present invention is, described Electrical Bicycle middle drive system driving efficiency height, and it installs simple, easy to maintenance, in addition, it regulates motor output by setting up controller, torque sensor, thereby realizes the powershift between manpower and the motor-driven, make ride more convenient, laborsaving, simple in structure, be easy to realize.
Description of drawings
Fig. 1 is the structural representation of Electrical Bicycle of the present invention with the middle drive system.
Among the figure:
1, axis; 2, annular stage clip; 3, intermediate axle housing; 4, displacement pickup; 5, sliding sleeve; 6, fixed cover; 7, centre circle; 8, inner ring; 9, outer ring; 10, drive sprocket; 11, controller; 12, motor; 13, five-way pipe; 14, magnet ring.
The specific embodiment
Further specify technical scheme of the present invention below in conjunction with accompanying drawing and by the specific embodiment.
Please refer to shown in Figure 1ly, Fig. 1 is that Electrical Bicycle of the present invention is with the structural representation of middle drive system; In present embodiment, a kind of Electrical Bicycle middle drive system, described drive system integral body is the Π type, it is by motor 12, transmission direction reverser and axis 1 constitute, described motor 12 is brshless DC motor, and its lifting is locked under the preceding cant beam of Electrical Bicycle tripod, described axis 1 rotates and is arranged in the intermediate axle housing 3, and its two ends and stretcher are in transmission connection, described intermediate axle housing 3 is installed on the five-way pipe of Electrical Bicycle, described axis 1 is provided with torque sensor, described torque sensor comprises the fixed cover 6 that is fixedly installed on the axis 1 and is slidingly connected at sliding sleeve 5 on the axis 1, described sliding sleeve 5 is provided with magnet ring 14, and the arranged outside of sliding sleeve 5 has the displacement pickup 4 that is electrically connected with controller 11, described controller 11 is built in the motor 12, itself and motor 12 are structure as a whole, and controller 11 is electrically connected with motor 12, be provided with annular stage clip 2 between sliding sleeve 5 and the axis 1, and sliding sleeve 5 is close to fixed cover 6, described fixed cover 6 is provided with first inclined-plane near an end of sliding sleeve 5, described first inclined-plane matches with second inclined-plane on being arranged on sliding sleeve 5, described transmission direction reverser comprises by inner ring 8, the first clutch that centre circle 7 constitutes reaches by outer ring 9, the second clutch that centre circle 7 constitutes, the stop direction of described first clutch and second clutch is opposite, described inner ring 8 is fixed on the axis 1, be set with drive sprocket 10 on the described centre circle 7, the driven sprocket of hind axle is in transmission connection on described drive sprocket 10 and the Electrical Bicycle, the arranged outside of described outer ring 9 has tooth, is fixedly connected with the gear that is meshed with tooth on the outer ring 9 on the output shaft of described motor 12.
When manpower drives, the user can drive axis 1 rotation by pedaling stretcher, make the inner ring 8 on the axis 1 rotate, thereby driving the centre circle 7 that matches with inner ring 8 rotates, be set with drive sprocket 10 on the centre circle 7, centre circle 7 rotates and drives drive sprocket 10 rotations, and by chain gear, the driven sprocket that drive is installed on the hind axle rotates, thereby realizes that manpower drives Electrical Bicycle and moves ahead.
When motor 12 drives, rotate gear driven outer ring 9 on the output shaft of motor 12, thereby driving the centre circle 7 that matches with outer ring 9 rotates, be set with drive sprocket 10 on the centre circle 7, centre circle 7 rotates and drives drive sprocket 10 rotations, and by chain gear, drive the driven sprocket that is installed on the hind axle and rotate, thereby realize that motor 13 drives Electrical Bicycle and moves ahead.
When manpower drives and motor 12 drivings when carrying out synchronously, under the normal condition, motor 12 smooth drive, cooperate manpower to drive, Electrical Bicycle normally moves ahead, when upward slope meets obstructions, fitting surface mutual extrusion between sliding sleeve 5 and the fixed cover 6, extruding back sliding sleeve 5 produces longitudinal travel, utilizes the magnet ring 14 on the sliding sleeve 5, with displacement is contactless be sent to displacement pickup 4 after, displacement pickup 4 converts location variation to electric signal and sends controller 11 to, thereby realizes the sensing of moment, and controller 11 is regulated the output of motor 12, increase horsepower output, make ride more convenient.
The present invention has following characteristics: at first, the present invention is simple in structure, installation and maintenance is convenient, adopt the Electrical Bicycle of the middle drive system production of this Π type structure, car load meets standard and the laws and regulations requirement of country fully, can utilize setted structure parts and the production system of standard bicycle to greatest extent; Secondly, because it adopts the transmission direction reverser, transmission efficiency is very high, manpower is ridden very laborsaving, and is as broad as long with bicycle, and it is by setting up the horsepower output of adjusting motor that torque sensor can intelligence, the degree of utilization of electric energy is also very high, and the mileages of continuation of car load has had great prolongation; In addition, advantage of the present invention is to utilize speed change system behind the ripe bicycle, and on the basis that does not increase power of motor and consumed power, the comformability of grade climbing performance and complicated road also improves a lot.
Above embodiment has just set forth groundwork of the present invention and characteristic; the present invention is not limited by above-described embodiment; without departing from the spirit and scope of the present invention, the present invention also has various variations and change, and these variations and change all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (6)
1. Electrical Bicycle middle drive system, it is characterized in that: described drive system is by motor, transmission direction reverser and axis constitute, described axis rotates and is arranged in the intermediate axle housing, and its two ends and stretcher are in transmission connection, described intermediate axle housing is installed on the five-way pipe of Electrical Bicycle, described axis is provided with torque sensor, described torque sensor is electrically connected with controller, described controller is electrically connected with motor, described transmission direction reverser comprises by inner ring, the first clutch that centre circle constitutes reaches by the outer ring, the second clutch that centre circle constitutes, the stop direction of described first clutch and second clutch is opposite, described inner ring is fixed on the axis, be set with drive sprocket on the described centre circle, the driven sprocket of hind axle is in transmission connection on described drive sprocket and the Electrical Bicycle, and described outer ring and motor are in transmission connection.
2. Electrical Bicycle according to claim 1 middle drive system, it is characterized in that: described torque sensor comprises and is fixedly installed on the fixed cover on the axis and is slidingly connected at sliding sleeve on the axis, described sliding sleeve is provided with magnet ring, and the arranged outside of sliding sleeve has the displacement pickup that is electrically connected with controller, be provided with annular stage clip between sliding sleeve and the axis, and sliding sleeve and fixed cover are close to, described fixed cover is provided with first inclined-plane near an end of sliding sleeve, and described first inclined-plane matches with second inclined-plane on being arranged on sliding sleeve.
3. Electrical Bicycle according to claim 1 middle drive system, it is characterized in that: described controller is built in the motor, is structure as a whole with motor.
4. Electrical Bicycle according to claim 1 middle drive system, it is characterized in that: the arranged outside of described outer ring has tooth, is fixedly connected with the gear that is meshed with tooth on the outer ring on the output shaft of described motor.
5. according to claim 1 or 3 or 4 described Electrical Bicycle middle drive systems, it is characterized in that: described motor is brshless DC motor.
6. Electrical Bicycle according to claim 1 middle drive system is characterized in that: described drive system is whole to be Π type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101243754A CN103192934A (en) | 2013-04-10 | 2013-04-10 | Middle drive system for electric bicycles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101243754A CN103192934A (en) | 2013-04-10 | 2013-04-10 | Middle drive system for electric bicycles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103192934A true CN103192934A (en) | 2013-07-10 |
Family
ID=48715793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101243754A Pending CN103192934A (en) | 2013-04-10 | 2013-04-10 | Middle drive system for electric bicycles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103192934A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104340324A (en) * | 2013-07-30 | 2015-02-11 | 株式会社岛野 | Bicycle control apparatus |
| CN105292370A (en) * | 2014-05-29 | 2016-02-03 | 苏州雄风电机有限公司 | Mid-mounted motor of electric bicycle |
| CN106043582A (en) * | 2016-06-28 | 2016-10-26 | 北京轻客智能科技有限责任公司 | Torque sensing built-in motor and riding device with same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4030562A (en) * | 1975-02-27 | 1977-06-21 | Lucas Industries Limited | Motor and pedal propeller cycle |
| JPH10230893A (en) * | 1997-02-20 | 1998-09-02 | Sanyo Electric Co Ltd | Bicycle with assisted power |
| CN1361737A (en) * | 1999-06-04 | 2002-07-31 | 新时代技研株式会社 | Power assisted bicycle |
| EP2028097A1 (en) * | 2006-05-31 | 2009-02-25 | Sunstar Giken Kabushiki Kaisha | Torque detector and electrically assisted bicycle |
| CN102245468A (en) * | 2008-12-11 | 2011-11-16 | 罗伯特·博世有限公司 | Hybrid drive for an electrical bicycle |
| CN203255335U (en) * | 2013-04-10 | 2013-10-30 | 无锡赛可电气有限公司 | Intermediately-arranged drive system for electric bicycle |
-
2013
- 2013-04-10 CN CN2013101243754A patent/CN103192934A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4030562A (en) * | 1975-02-27 | 1977-06-21 | Lucas Industries Limited | Motor and pedal propeller cycle |
| JPH10230893A (en) * | 1997-02-20 | 1998-09-02 | Sanyo Electric Co Ltd | Bicycle with assisted power |
| CN1361737A (en) * | 1999-06-04 | 2002-07-31 | 新时代技研株式会社 | Power assisted bicycle |
| EP2028097A1 (en) * | 2006-05-31 | 2009-02-25 | Sunstar Giken Kabushiki Kaisha | Torque detector and electrically assisted bicycle |
| CN102245468A (en) * | 2008-12-11 | 2011-11-16 | 罗伯特·博世有限公司 | Hybrid drive for an electrical bicycle |
| CN203255335U (en) * | 2013-04-10 | 2013-10-30 | 无锡赛可电气有限公司 | Intermediately-arranged drive system for electric bicycle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104340324A (en) * | 2013-07-30 | 2015-02-11 | 株式会社岛野 | Bicycle control apparatus |
| CN105292370A (en) * | 2014-05-29 | 2016-02-03 | 苏州雄风电机有限公司 | Mid-mounted motor of electric bicycle |
| CN105292370B (en) * | 2014-05-29 | 2018-01-23 | 苏州雄风电机有限公司 | Electric bicycle motor |
| CN106043582A (en) * | 2016-06-28 | 2016-10-26 | 北京轻客智能科技有限责任公司 | Torque sensing built-in motor and riding device with same |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20170201 |
|
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |