CN2365129Y - Improved speed changing device for electric bicycle - Google Patents
Improved speed changing device for electric bicycle Download PDFInfo
- Publication number
- CN2365129Y CN2365129Y CN 99200300 CN99200300U CN2365129Y CN 2365129 Y CN2365129 Y CN 2365129Y CN 99200300 CN99200300 CN 99200300 CN 99200300 U CN99200300 U CN 99200300U CN 2365129 Y CN2365129 Y CN 2365129Y
- Authority
- CN
- China
- Prior art keywords
- gear
- cluster
- unilateral bearing
- gear cluster
- backgear
- 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
Images
Landscapes
- Structure Of Transmissions (AREA)
Abstract
The utility model relates to an improved speed changing device for an electric bicycle, and a power device thereof changes the rotary speed by changing the positive and the negative rotations of a motor through a changing switch; the changed rotary speed is sent out by a power shaft to provide the power that the rotation of the wheel needs. A low speed gear assembly and a high speed gear assembly are arranged in the power device, and the middle parts of the high and the low speed gear assemblies are provided with unidirectional bearings which are installed in reverse direction. The mechanical structure design can achieve the purpose of changing the rotary speed, and is easy to assemble and reduce the cost. The streamlined mechanical structure is more suitable for riding in the natural weather and has the advantages of durability and practicability.
Description
The utility model relates to a kind of improved type Electrical Bicycle transmission system
Usually, bicycle drive use, be a kind of walking-replacing tool of nonstaining property, it can movable muscles and bones, and can reach double effects such as leisure and motion, in the middle of present bicycle designs field, can have the laborsaving effect that drives in order to make bicycle, and combine electric device, form electric bicycle structure, make it have preferable flying power, and the power that can assist the human body pin to step on, thereby, since releasing the general favor that obtains Market Consumer and rather well received.
Electrical Bicycle is when just releasing market, it generally is the design of single speed formula, promptly, its engine installation does not have variable speed performance, and when running into the upward slope that needs the big torsion of slow speed of revolution and drive, the mode of advancing that this kind single speed formula Electrical Bicycle promptly can't be competent at climbing, for this reason, intentionally the personage once designed the electric bicycle structure of variable-ratio, can be along with different road conditions conversion gait of march flexibly, double motor central principal axis speed change Electrical Bicycle as shown in Figure 7, and the automatic shift device of Electrical Bicycle shown in Figure 8, the characteristic that all has variable-ratio, they can realistic road conditions driving need and in addition speed change use.
But the Electrical Bicycle of above-mentioned variable-ratio still has shortcoming as described below, and needs further to improve, wherein:
1, part is various, assembling is difficult for, the cost height, fetch long price and the popularization of not having, double motor central principal axis speed change Electrical Bicycle as shown in Figure 7, it is provided with two Direct Current Motors 81 on loading plate 80, and need install planetary gear reducing mechanism 82 at each Direct Current Motor 81 front end, and be equipped with big on the central principal axis 83, miniature gears, and also comprise the gearshift pull bar 84 of pivot joint in central principal axis 83 rear ends, and set firmly crowngear 851 at imput shaft 85 1 ends, crowngear 861 set on itself and the axletree 86 is meshing with each other, add power-transfer clutch and other 00 total findings, and caused the various and assembling of part to be difficult for making cost to improve, and, extra increase the load-carrying load of bicycle, be unfavorable for that the electric energy of Electrical Bicycle uses, therefore, it has caused the shortcoming that cost is higher and benefit is on the low side, is not worth and do not have industrial utilization.
2, the automatic shift device of Electrical Bicycle as shown in Figure 8 again, it is by engine installation 90, transmission system 91, single chip microprocessor 92 and speed sensor 93 constitute, its transmission system 91 is to comprise fixed mount, the speed change servomechanism 911 of actuator and reductor, the running speed that can send back to by single chip microprocessor 92 inbound pacing inductors 93, information such as motor rotary speed and motor load electric current, again by after single chip microprocessor 92 calculating and judging, send signal and drive the fractional motor of speed change servomechanism 911, make it can reach the purpose of self shifter and conversion rotating speed, promptly, single chip microprocessor 92, in this automatic shift device, play the part of extremely important information translation role, yet, single chip microprocessor 92 is arranged on the circuit card, is subjected to the influence of natural climate easily, especially, use causes corrosion and short circuited damage easilier on the Electrical Bicycle that must bear wind and weather.
Therefore, the purpose of this utility model is to provide a kind of improved type Electrical Bicycle transmission system of simplifying structure, it constitutes high with a plurality of gears that vary in size, the bottom gear gear cluster, and install unilateral bearing therein respectively, by this design, can change-over switch just change motor, counter-rotating and conversion rotating speed and export simultaneously by dynamical axis, driving wheel rotates forward, because the utility model is the purpose that reaches the conversion rotating speed with the mechanicalness structure of simplifying, and be easy to assembling and reduced cost, therefore, can overcome in the electronic component design of single chip microprocessor and circuit card effectively, easily because weather causes the shortcoming of damage, therefore, the utlity model has splendid practicality, and be suitable for general popular penetration and promotion and used.
According to the utility model, a kind of improved type Electrical Bicycle transmission system is provided, thereby its engine installation changes motor forward and backward conversion rotating speed by change-over switch, and the rotating speed of institute's conversion is exported by dynamical axis, offer the required power of wheel, wherein, comprise bottom gear gear cluster and top gear gear cluster in the gear cluster of engine installation, the unilateral bearing that is acting in opposition is set in bottom gear gear cluster and the top gear gear cluster, and the conversion rotating speed of bottom gear gear cluster and top gear gear cluster drives dynamical axis and rotates.
In aforesaid improved type Electrical Bicycle transmission system, the bottom gear gear cluster of engine installation and top gear gear cluster are arranged in and wear unilateral bearing low, the top gear gear cluster on the motor spindle respectively, two unilateral bearing peripheries are provided with front gear respectively, backgear low, the top gear gear cluster is set on the dynamical axis, the engagement of the front gear of bottom gear gear cluster and backgear, and be provided with between the front gear of top gear gear cluster and backgear and they ingear intermediate gears each other.
In aforesaid improved type Electrical Bicycle transmission system, the axle front end that the bottom gear gear cluster of engine installation and top gear gear cluster are arranged in motor is provided with gear, in the rotating shaft of bottom gear gear cluster unilateral bearing is set, the unilateral bearing periphery is provided with front gear, front gear and gear mesh, the rotating shaft end is provided with backgear, set gear mesh on backgear and the dynamical axis, and the unilateral bearing that is reverse setting with the unilateral bearing of bottom gear gear cluster is set in the rotating shaft of top gear gear cluster, the unilateral bearing periphery of top gear gear cluster is provided with front gear, is provided with between front gear and gear and they ingear intermediate gears each other.
Further specify specific structural features of the present utility model and purpose below in conjunction with accompanying drawing.
Fig. 1 is the preferable engine installation schematic top plan view of the utility model.
Fig. 2 is that the preferable engine installation of the utility model is implemented illustration.
Fig. 3 is that the preferable engine installation of the utility model is implemented illustration.
Fig. 4 is another preferable engine installation schematic top plan view of the utility model.
Fig. 5 is that another preferable engine installation of the utility model is implemented illustration.
Fig. 6 is that another preferable engine installation of the utility model is implemented illustration.
Fig. 7 is the engine installation assembly drawing of traditional double motor central principal axis speed change Electrical Bicycle.
Fig. 8 is the engine installation assembly drawing of the automatic shift device of another traditional Electrical Bicycle.
At first, please referring to shown in Figure 1, this figure is engine installation 10 assembly drawings that the utility model is installed in Electrical Bicycle, this engine installation 10 is a kind of unitized construction of preferred embodiment, wherein, in the speed changing structure of engine installation 10, wear low on motor 101 axles 11 respectively, top gear gear cluster 20,30 unilateral bearing 211,311, unilateral bearing 211,311 peripheries are provided with front gear 21 respectively, 31, in addition, be provided with low on the dynamical axis 40, top gear gear cluster 20,30 backgear 22,33, make the front gear 21 of bottom gear gear cluster 20 mesh, and 33 of the front gear 31 of top gear gear cluster 30 and backgears are provided with ingear intermediate gear 32 with backgear 22.
Its actual use can cooperate referring to Fig. 2 and shown in Figure 3, wherein, the motor 101 of engine installation 10 can change-over switch be controlled its rotating, and change-over switch can be arranged at the handle of Electrical Bicycle or other are suitable for hand switching place, the unilateral bearing 211 of bottom gear gear cluster 20 and top gear gear cluster 30,311 settings are reverse installation, be motor 101 just, counter-rotating only can be for unilateral bearing 211, one of them generation effect of 311, for example, when if motor 101 axles 11 are just being changeed, unilateral bearing 211 can produce rotation, and drive front gear 21 rotates, then the unilateral bearing 311 of top gear gear cluster 30 promptly is idling conditions at this moment, otherwise, if 11 counter-rotatings of motor 101 axles, then unilateral bearing 311 can drive front gear 31 rotations, and the unilateral bearing 211 of bottom gear gear cluster 20 promptly is idling conditions.
As Fig. 2, shown in Figure 3, because in bottom gear gear cluster 20 and the top gear gear cluster 30, its ingear front gear 21, backgear 22, and ingear front gear 31, intermediate gear 32, the ratio of number of teeth difference of backgear 33, therefore, engine installation 10 can change-over switch just controlled motor 101, counter-rotating, and can utilize bottom gear gear cluster 20 and top gear gear cluster 30 to produce speed changing effect respectively, and the rotating speed that 30 conversion of bottom gear gear cluster 20 and top gear gear cluster form, can be through dynamical axis 40 outputs, dynamical axis 40 itself can be the wheel shaft of front and back wheel, therefore, formed rotary power can drive wheel shaft and rotate, perhaps, dynamical axis 40 ends can also be provided with chain pitch wheel, and hang chain on chain pitch wheel, but this chain winding is advanced in order to drive bicycle on the gear that drives wheel revolutions.
Please cooperate again referring to engine installation shown in Figure 4 50, this figure is the assembly drawing of another preferred embodiment of the utility model, this engine installation 50 also has bottom gear gear cluster 60 and top gear gear cluster 70, wherein, axle 51 front ends of motor 501 are provided with gear 52, in the rotating shaft 62 of bottom gear gear cluster 60 unilateral bearing 611 is set, unilateral bearing 611 peripheries are provided with front gear 61, front gear 61 and gear 52 engagements, and rotating shaft 62 ends are provided with backgear 63, set gear 54 engagements on 63 of backgears and the dynamical axis 53, and be provided with in the rotating shaft 72 of top gear gear cluster 70 and the unilateral bearing 611 reverse unilateral bearings 711 that are provided with, unilateral bearing 711 peripheries are provided with front gear 71,52 of front gear 71 and gears be provided with one with they ingear intermediate gears 74 each other, the power that makes the rotation of motor 501 axles can pass to top gear gear cluster 70, rotating shaft 72 ends of top gear gear cluster 70 are provided with backgear 73, and gear 54 set on backgear 73 and the dynamical axis 53 meshes.
Cooperation is referring to Fig. 4, Fig. 5 and shown in Figure 6, wherein, the motor 501 of engine installation 50 can change-over switch be controlled its rotating equally, and change-over switch can be arranged on the handle of Electrical Bicycle equally or other are suitable for hand switching place, the unilateral bearing 611 of bottom gear gear cluster 60 and top gear gear cluster 70,711 settings are reverse installation, be motor 101 just, the output of counter-rotating and gear 52 rotary powers, equally only can be at unilateral bearing 611, one of them generation effect of 711, for example shown in Figure 5, when gear 52 is just changeing when making the front gear 61 of bottom gear gear cluster 60 drive unilateral bearings 611 and rotating shaft 62 to rotate, it reaches the rotary power of front gear 71 through intermediate gear 74, be idle running and do not produce effect for unilateral bearing 711 and rotating shaft 72, and rotary power drives the rotation of rotating shaft 62 and backgear 63 through unilateral bearing 611, can drive gears in mesh 54 and dynamical axis 53 rotations, opposite, as shown in Figure 6, can reverse by change-over switch switching motor 501, and the front gear 71 that makes intermediate gear 74 drive high speed gear group 70 rotates, at this moment, the rotary power of bottom gear gear cluster 60, then because unilateral bearing 611 is to be idle running, the power of rotation is then transmitted by top gear gear cluster 70, rotary power drives front gear 71 rotations through intermediate gear 74, and order about unilateral bearing 711 and drive rotating shafts 72, make rotating shaft 72 can drive backgear 73 rotations, and order about dynamical axis 53 and rotated, therefore, the embodiment of engine installation 50 is contained in the scope of the present utility model equally, and for equivalence design and belong to structure of the present utility model equally.
Above-mentioned engine installation 10,50 all is to arrange with the gear cluster of simplifying, by change-over switch conversion positive and negative rotation of motor, reach the purpose of control transformation of speed, therefore, the user can be easily along with the road conditions difference, at any time carry out variable speed operation, therefore, the textural association that the utility model can be simplified, reach and be easy to assemble and the effect of cost-cutting, and, utilize mechanical textural association, more can avoid the unitized design of single chip microprocessor and circuit card, be subjected to the influence of natural climate easily and cause the shortcoming of damage, therefore, the utility model is very suitable for manufacturer's manufacturing and the general popular use of buying, and is very practical.
Claims (3)
1, a kind of improved type Electrical Bicycle transmission system, thereby its engine installation changes motor forward and backward conversion rotating speed by change-over switch, and the rotating speed of institute's conversion is exported by dynamical axis, offer the required power of wheel, it is characterized in that: comprise bottom gear gear cluster and top gear gear cluster in the gear cluster of engine installation, the unilateral bearing that is acting in opposition is set in bottom gear gear cluster and the top gear gear cluster, and the conversion rotating speed of bottom gear gear cluster and top gear gear cluster drives dynamical axis and rotates.
2, improved type Electrical Bicycle transmission system according to claim 1, it is characterized in that: the bottom gear gear cluster of engine installation and top gear gear cluster are arranged in and wear unilateral bearing low, the top gear gear cluster on the motor spindle respectively, two unilateral bearing peripheries are provided with front gear respectively, backgear low, the top gear gear cluster is set on the dynamical axis, the engagement of the front gear of bottom gear gear cluster and backgear, and be provided with between the front gear of top gear gear cluster and backgear and they ingear intermediate gears each other.
3, improved type Electrical Bicycle transmission system according to claim 1, it is characterized in that: the axle front end that the bottom gear gear cluster of engine installation and top gear gear cluster are arranged in motor is provided with gear, in the rotating shaft of bottom gear gear cluster unilateral bearing is set, the unilateral bearing periphery is provided with front gear, front gear and gear mesh, the rotating shaft end is provided with backgear, set gear mesh on backgear and the dynamical axis, and the unilateral bearing that is reverse setting with the unilateral bearing of bottom gear gear cluster is set in the rotating shaft of top gear gear cluster, the unilateral bearing periphery of top gear gear cluster is provided with front gear, is provided with between front gear and gear and they ingear intermediate gears each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99200300 CN2365129Y (en) | 1999-01-12 | 1999-01-12 | Improved speed changing device for electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99200300 CN2365129Y (en) | 1999-01-12 | 1999-01-12 | Improved speed changing device for electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2365129Y true CN2365129Y (en) | 2000-02-23 |
Family
ID=33996312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99200300 Expired - Fee Related CN2365129Y (en) | 1999-01-12 | 1999-01-12 | Improved speed changing device for electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2365129Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101780833A (en) * | 2010-02-10 | 2010-07-21 | 廖昌令 | Vehicle variable transmission mechanism and transmission method |
| CN105083462A (en) * | 2015-07-17 | 2015-11-25 | 武君 | Directional gear transmission device, chain wheel transmission device and bicycle |
| US10392077B2 (en) | 2015-07-17 | 2019-08-27 | Shenzhen Geniusmart Technologies Co., Ltd. | Directional transmission mechanism, directional sprocket apparatus and pedal device |
| CN111672095A (en) * | 2020-06-18 | 2020-09-18 | 陈金荣 | Mahjong machine conveying double-speed forward and reverse rotating mechanism |
-
1999
- 1999-01-12 CN CN 99200300 patent/CN2365129Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101780833A (en) * | 2010-02-10 | 2010-07-21 | 廖昌令 | Vehicle variable transmission mechanism and transmission method |
| CN105083462A (en) * | 2015-07-17 | 2015-11-25 | 武君 | Directional gear transmission device, chain wheel transmission device and bicycle |
| US10392077B2 (en) | 2015-07-17 | 2019-08-27 | Shenzhen Geniusmart Technologies Co., Ltd. | Directional transmission mechanism, directional sprocket apparatus and pedal device |
| US10807677B2 (en) | 2015-07-17 | 2020-10-20 | Shenzhen Geniusmart Technologies Co., Ltd. | Directional transmission mechanism, directional sprocket apparatus and pedal device |
| CN111672095A (en) * | 2020-06-18 | 2020-09-18 | 陈金荣 | Mahjong machine conveying double-speed forward and reverse rotating mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104154203A (en) | Scooter shifter | |
| CN1976173A (en) | Double-outputting torque speed reducing electric machine | |
| CN201678014U (en) | Super-silent centrally-mounted power device for electric bicycle | |
| CN102097892B (en) | Two-gear electrical control variable speed motor for electric motorcycle | |
| CN2365129Y (en) | Improved speed changing device for electric bicycle | |
| CN103051102A (en) | Electromechanical variable-speed motor | |
| CN2839103Y (en) | Electric bicycle speed reducing mechanism | |
| CN201561106U (en) | Reinforcement lever gear composite structure | |
| CN200988566Y (en) | Electric bicycle mechanical speed changing mechanism | |
| CN2897811Y (en) | Electromechanical double speed-shifting gear for electric bicycle | |
| CN211039640U (en) | Two-gear transmission gear shifting actuating mechanism and transmission | |
| CN2314957Y (en) | Multiple speed motor car hub | |
| CN201494301U (en) | Hub power take-off device of electric vehicle | |
| CN2787925Y (en) | Double-power input worm reducer | |
| CN2868833Y (en) | Inertial flywheel propelling boosting device | |
| CN201040574Y (en) | Bicycle center shaft structure | |
| CN202140516U (en) | Transmission of electric vehicle | |
| CN2478837Y (en) | Double-motor differential veriable-speed gear | |
| CN202319874U (en) | Positive and negative rotation speed variable hub motor | |
| CN2576579Y (en) | Gear-driving speed-changing electric boosted vehicle | |
| CN2753663Y (en) | Transmission of motorcycle engine with reverse gear mechanism | |
| CN2785971Y (en) | Electric vehicle capable of generating and charging electricity | |
| CN218761169U (en) | Four-gear automatic speed changing bridge for electric automobile | |
| CN2480204Y (en) | Electric bicycle driving device | |
| CN217805127U (en) | Gear speed-changing coaxial driving bicycle with double stators and single rotor axial magnetic field motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |