CN105172992A - Self-locking transmission device for electric scooter - Google Patents
Self-locking transmission device for electric scooter Download PDFInfo
- Publication number
- CN105172992A CN105172992A CN201510647987.0A CN201510647987A CN105172992A CN 105172992 A CN105172992 A CN 105172992A CN 201510647987 A CN201510647987 A CN 201510647987A CN 105172992 A CN105172992 A CN 105172992A
- Authority
- CN
- China
- Prior art keywords
- imput shaft
- clutch plate
- wedge shape
- slide block
- wedge
- 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
Links
Abstract
The invention provides a wedge-shaped self-locking transmission device for an electric scooter. The wedge-shaped self-locking transmission device comprises a driving shaft, a driven disc, a pre-tightening spring, a guiding block and a sliding block. The driven disc is fixed to a driving wheel. The driving shaft makes contact with the driven disc. The guiding block is fixed, and a wedge-shaped or slope guiding groove is formed between the guiding block and the driven disc. The wedge-shaped guiding groove is provided with a large end and a small end. The sliding block is arranged inside the guiding groove in a sliding mode. The driving shaft is connected to the sliding block in a rotatable mode. One end of the pre-tightening spring is fixedly connected with the sliding block through a spring support, and the other end of the pre-tightening spring is compressed on the guiding block, so that the pre-tightening spring generates thrust pushing the sliding block to the small end of the wedge-shaped guiding groove; the sliding block generates multiplied positive pressure for the driving shaft through the thrust, and the driving shaft is compressed on the driven disc so as to drive the driven disc to rotate through static friction force. The wedge-shaped self-locking transmission device has the large transmission ratio, is small in boundary dimension and low in weight, can greatly lower the total weight and the boundary dimension of a car body and is low in transmission noise.
Description
Technical field
The present invention relates to a kind of electric cycle, particularly a kind of driving device of electric cycle.
Background technology
Current market portable scooter has a variety of, more commonly folding electric bicycle and Segway Human Transporter.
Folding electric bicycle, although be folding, but overall car weight is more than 20 kilograms, put forward sensation and very heavily carry inconvenience, although the simplification foldover design that have employed aluminum alloy materials and vehicle frame had, but general weight is general all more than 15 kilograms, photoelectricity machine is just more than 4 kilograms, and it is still very heavy to carry sensation.
Segway Human Transporter, the general wheel of Kickboard Scooter is all smaller is mostly 6 cun of tires, car by performance influenced, Kickboard Scooter turn to adapter shaft vehicle frame position immediately all lower, and deflecting bar is more elongated, the handling maneuver of people is passed to by stock and is turned to adapter shaft, allow people's perceived direction tap rock and affect the steering operation of people and the stability of stance very greatly, especially obvious when accelerating and brake, just potential safety hazard is had so travel on highway, and the most Segway Human Transporter weight in market is all between 10 to 14 kilograms, carry public transport and subway or inconvenient.
Why heavier-weight has a major reason to be that vehicle wheel rotational speed is low for current folding electric bicycle and Segway Human Transporter, the general wheel rim and motor integrated of adopting, but the motor of this structure is often all heavier more than 3 kilograms.If adopt the high-speed electric expreess locomotive of lighter in weight, only have in order to the requirement meeting battery-driven car road speed and by driving device, motor speed is lowered, the transmitting ratio that such need are very large, according to traditional chain or belt transmission, certainly will sprocket wheel and diameter pulley be done very large, so the volume and weight of driving device too increases, and drive noise is also very large.Even if adopt secondary transmission volume and weight to be also same situation, heavy common electric machine therefore can only be adopted as driving; But only pipe so, it is large still to there is volume in this common electric machine and traditional chain or belt transmission, and the problem of Heavy Weight, causes car body monnolithic case size comparatively large, be unfavorable for folding operation and storage.If therefore reasonable reformation can be made to driving device, and just greatly may reduce weight and the oad of car body in conjunction with high-speed electric expreess locomotive.
Summary of the invention
The technical problem to be solved in the present invention, is the wedge shape automatic step-by-step providing a kind of electric cycle, have larger transmitting ratio, and oad is little, lightweight, and noise is low adapts to high-speed electric expreess locomotive, thus greatly reduces overall weight and the oad of car body.
The present invention is achieved in that the wedge shape automatic step-by-step of electric cycle, comprises imput shaft, clutch plate, preloading spring, orienting lug and slide block; Described imput shaft is driven by motor, and described clutch plate is fixing on the drive wheel, and described imput shaft contacts setting with clutch plate; Described orienting lug maintains static and also and between clutch plate forms a wedge shape guide groove, and wedge shape guide groove has one and holds greatly and a small end, and described slide block is slidedly arranged in wedge shape guide groove, and described imput shaft is rotatably connected on slide block; One end of described preloading spring is fixedly connected with described slide block by spring bracket, and the other end is pressed on orienting lug, makes preloading spring produce thrust slide block being pushed to wedge shape guide groove small end; Described thrust makes slide block produce the positive pressure of multiplication to imput shaft and imput shaft be pressed on clutch plate to drive clutch plate to rotate by static friction force.
Further, described slider surface is provided with diaxon board to the side of clutch plate, and each shaft bearing plate is provided with a bearing hole, and described imput shaft is connected in this diaxon bearing bore by two bearings.By easier thrust slide block being imposed to past wedge shape guide groove small end movement of diaxon board imput shaft, slide block also easier positive pressure imput shaft being imposed to multiplication simultaneously.
Further, described imput shaft is provided with a diameter and increases and the friction section of tool non-smooth surface, and is contacted with clutch plate arranged by this friction section, makes static friction therebetween more reliable.
Further, the high-speed electric expreess locomotive of described motor to be rotating speed be 3000 ~ 20000rpm, the transmitting ratio of described imput shaft and clutch plate is 4 ~ 20, makes the weight and volume of this motor and wedge shape automatic step-by-step more suitable.
Further, automatic step-by-step of the present invention also can comprise synchronous belt drive mechanism, and described motor connects described imput shaft by this synchronous belt drive mechanism.
Tool of the present invention has the following advantages: wedge shape automatic step-by-step of the present invention adopts the static friction force transmission between imput shaft and clutch plate, replace traditional chain or belt-driving, can do higher at same oad underdrive ratio, and the static friction of steel between this imput shaft and clutch plate and steel can reduce the noise of transmission greatly, improve service life, type of drive of the present invention can reduce the volume and weight of drive motor and driving device to greatest extent, make the gross weight of the two less than 1KG, and the cost of motor also can drop to about 50 yuan from more than 400 yuan, and expendable weight is be even more important with reducing costs concerning electric cycle.
Accompanying drawing explanation
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the external structure schematic diagram of automatic step-by-step of the present invention.
Fig. 2 is the structural representation of the using state of automatic step-by-step of the present invention.
Fig. 3 is the sectional structure schematic diagram of Fig. 2 along A-A line.
Fig. 4 is the structural representation of orienting lug in automatic step-by-step of the present invention and slide block.
Fig. 5 is the principle schematic of automatic step-by-step of the present invention.
Detailed description of the invention
As depicted in figs. 1 and 2, the automatic step-by-step 100 of electric cycle of the present invention, comprises imput shaft 1, clutch plate 2, preloading spring 3, orienting lug 4 and slide block 5;
Described imput shaft 1 is driven by motor 200, the high-speed electric expreess locomotive of described motor to be rotating speed be 3000 ~ 20000rpm, and described clutch plate 2 is fixed on drive wheel 300, and described imput shaft 1 contacts setting with clutch plate 2;
Described orienting lug 4 maintains static (can be fixedly connected with vehicle frame etc.) and and form a wedge shape guide groove 6 between clutch plate 2, wedge shape guide groove 6 has large end 61 and a small end 62, described slide block is slidedly arranged in wedge shape guide groove 6, and described imput shaft 1 is rotatably connected on slide block 5 by bearing 11; Described slide block 5 is provided with diaxon board 51 towards the side of clutch plate 2, and each shaft bearing plate is provided with a bearing hole 52, and described imput shaft 1 is held by diaxon 11 and is connected in this diaxon bearing bore 52.
One end of described preloading spring 3 is fixedly connected with described slide block 5 by spring bracket 32, and the other end is pressed on orienting lug 4, makes preloading spring 3 produce thrust F1 slide block 5 being pushed to wedge shape guide groove 6 small end 62;
Described thrust F1 makes the slide block 5 pairs of imput shaft 1 produce the positive pressure F2 of multiplication and imput shaft be pressed on clutch plate 2 to drive clutch plate 2 to rotate by static friction force, can realize the transmitting ratio of 4 ~ 20 between imput shaft of the present invention and clutch plate.
Described imput shaft 1 is provided with a diameter and increases and the friction section 12 of tool non-smooth surface, and is contacted with clutch plate 2 arranged by this friction section 12, makes static friction therebetween more reliable.
Automatic step-by-step 100 of the present invention also can comprise synchronous belt drive mechanism 7, and described motor 200 connects described imput shaft 1 by this synchronous belt drive mechanism 7.
By easier thrust slide block being imposed to past wedge shape guide groove small end movement of diaxon board moving axis, slide block also easier positive pressure imput shaft being imposed to multiplication simultaneously.
Principle of the present invention is:
During use, as shown in Figure 2, the axle drive shaft of motor 200 is connected imput shaft 1 by synchronous belt drive mechanism 7, and clutch plate 2 is fixedly connected on drive wheel 300.
Shown in composition graphs 1 to Fig. 5, because preloading spring 3 has thrust F1 slide block 5 being pushed to wedge shape guide groove 6 small end 62, described thrust F1 makes again slide block 5 pairs of imput shaft 1 produce the positive pressure F2 of multiplication and imput shaft be pressed on clutch plate 2, now promote drive wheel gently, just can make to produce an initial start friction force between imput shaft 1 and clutch plate 2, initial start friction force can push related for imput shaft 1 slide block to wedge shape guide groove 6 small end 62, more move toward small end 62, space at the related slide block of imput shaft 1 is less, positive pressure F2 is larger, static friction force between imput shaft 1 and clutch plate 2 is also larger, larger static friction force can push related for imput shaft 1 slide block to wedge shape guide groove 6 small end 62 again conversely, and more move toward small end 62, positive pressure F2 is larger again, in turn increase static friction force, circulation like this, when static friction force is enough large, the imput shaft 1 rotated can drive clutch plate 2 to rotate, static friction force is the propulsive effort of drive wheel 300, thus drive described drive wheel 300, realize self-locking multiplication to drive.Wherein F1 ' is making a concerted effort of initial tension of spring (i.e. thrust F1) and propulsive effort (friction force namely between imput shaft 1 and clutch plate 2), the propelling thrust should made a concerted effort for imput shaft 1 or slide block 5.
As previously mentioned, automatic step-by-step of the present invention adopts the static friction force transmission between imput shaft and clutch plate, replace traditional chain or belt-driving, can do higher at same oad underdrive ratio, and the static friction of steel between this imput shaft and clutch plate and steel can reduce the noise of transmission greatly, improve service life, type of drive of the present invention can reduce drive mechanism volume and weight to greatest extent, and expendable weight is especially important for purposes of the invention.
Although the foregoing describe the specific embodiment of the present invention; but be familiar with those skilled in the art to be to be understood that; specific embodiment described by us is illustrative; instead of for the restriction to scope of the present invention; those of ordinary skill in the art, in the modification of the equivalence done according to spirit of the present invention and change, should be encompassed in scope that claim of the present invention protects.
Claims (5)
1. the wedge shape automatic step-by-step of electric cycle, is characterized in that: comprise imput shaft, clutch plate, preloading spring, orienting lug and slide block;
Described imput shaft is driven by motor, and described clutch plate is fixing on the drive wheel, and described imput shaft contacts setting with clutch plate;
Described orienting lug maintains static and also and between clutch plate forms a wedge shape guide groove, and wedge shape guide groove has one and holds greatly and a small end, and described slide block is slidedly arranged in wedge shape guide groove, and described imput shaft is rotatably connected on slide block;
One end of described preloading spring is fixedly connected with described slide block by spring bracket, and the other end is pressed on orienting lug, makes preloading spring produce thrust slide block being pushed to wedge shape guide groove small end;
Described thrust makes slide block produce the positive pressure of multiplication to imput shaft and imput shaft be pressed on clutch plate to drive clutch plate to rotate by static friction force.
2. the wedge shape automatic step-by-step of electric cycle according to claim 1, it is characterized in that: described slider surface is provided with diaxon board to the side of clutch plate, each shaft bearing plate is provided with a bearing hole, and described imput shaft is connected in this diaxon bearing bore by two bearings.
3. the wedge shape automatic step-by-step of electric cycle according to claim 1 and 2, is characterized in that: described imput shaft is provided with a diameter and increases and the friction section of tool non-smooth surface, and is contacted with clutch plate arranged by this friction section.
4. the wedge shape automatic step-by-step of electric cycle according to claim 1, is characterized in that: the high-speed electric expreess locomotive of described motor to be rotating speed be 3000 ~ 20000rpm, the transmitting ratio of described imput shaft and clutch plate is 4 ~ 20.
5. the wedge shape automatic step-by-step of electric cycle according to claim 1, is characterized in that: also comprise synchronous belt drive mechanism, and described motor connects described imput shaft by this synchronous belt drive mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510647987.0A CN105172992A (en) | 2015-10-09 | 2015-10-09 | Self-locking transmission device for electric scooter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510647987.0A CN105172992A (en) | 2015-10-09 | 2015-10-09 | Self-locking transmission device for electric scooter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105172992A true CN105172992A (en) | 2015-12-23 |
Family
ID=54895579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510647987.0A Pending CN105172992A (en) | 2015-10-09 | 2015-10-09 | Self-locking transmission device for electric scooter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105172992A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2134349Y (en) * | 1992-06-25 | 1993-05-26 | 武建波 | Bicycle having infinitely variable speed |
| CN1125186A (en) * | 1995-08-08 | 1996-06-26 | 池清源 | Multiple-unit man-power bicycle |
| FR2738210A1 (en) * | 1995-08-30 | 1997-03-07 | Beinat Olivier | Variable gear ratio friction transmission for cycle |
| CN2411205Y (en) * | 1999-12-24 | 2000-12-20 | 殷险峰 | Stepless speed change device of bicycle |
| CN102642595A (en) * | 2012-05-11 | 2012-08-22 | 重庆宗申发动机制造有限公司 | Two-gear speed-changing driving device of electric vehicle |
| CN204998715U (en) * | 2015-10-09 | 2016-01-27 | 福建省新车技科技发展有限公司 | Mobility scooter's auto -lock transmission |
-
2015
- 2015-10-09 CN CN201510647987.0A patent/CN105172992A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2134349Y (en) * | 1992-06-25 | 1993-05-26 | 武建波 | Bicycle having infinitely variable speed |
| CN1125186A (en) * | 1995-08-08 | 1996-06-26 | 池清源 | Multiple-unit man-power bicycle |
| FR2738210A1 (en) * | 1995-08-30 | 1997-03-07 | Beinat Olivier | Variable gear ratio friction transmission for cycle |
| CN2411205Y (en) * | 1999-12-24 | 2000-12-20 | 殷险峰 | Stepless speed change device of bicycle |
| CN102642595A (en) * | 2012-05-11 | 2012-08-22 | 重庆宗申发动机制造有限公司 | Two-gear speed-changing driving device of electric vehicle |
| CN204998715U (en) * | 2015-10-09 | 2016-01-27 | 福建省新车技科技发展有限公司 | Mobility scooter's auto -lock transmission |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10093168B2 (en) | Multi-wheel transmission | |
| CN204900704U (en) | Two -way automatic speed changing motor transmission | |
| CN101400566B (en) | Variable speed direct drive transmission | |
| CN114408084A (en) | Mid-set motor and electric bicycle | |
| CN204998715U (en) | Mobility scooter's auto -lock transmission | |
| KR101127513B1 (en) | Auxiliary driving apparatus for bicycle | |
| CN206307196U (en) | Can omnibearing movable single wheel mechanism of car | |
| CN205059928U (en) | Mobility scooter's pressure transmission | |
| CN1113772C (en) | Automatic transmission for bicycle | |
| CN105172992A (en) | Self-locking transmission device for electric scooter | |
| CN109421872B (en) | Brake device and electric brake system | |
| US20020096380A1 (en) | Electric wheel axle drive structure with automatic clutch function | |
| CN203975121U (en) | A kind of bicycle, Electrical Bicycle that adopts roller frictional transmission | |
| CN105197176A (en) | Pressure transmission device for electric scooter | |
| CN205098405U (en) | Mobility scooter's doublestage transmission | |
| CN103935450A (en) | Power-assisting bicycle and power assisting method | |
| CN102943860A (en) | Sliding gear type differential device | |
| CN202095412U (en) | Fishing line take-up device with double-surface brake mechanism | |
| TW201514032A (en) | Double-transmission hub assembly | |
| CN106627973A (en) | Speed-variable wheel disc driven by central shaft | |
| KR101539148B1 (en) | Speed gear Ssing sing barqeui | |
| CN216546553U (en) | Mid-set motor and electric bicycle | |
| CN201604775U (en) | Gear-shift tricycle | |
| CN109878625B (en) | Front-rear wheel dual-drive bicycle capable of being driven and separated | |
| CN116872746A (en) | Electric automobile abrupt slope slowly falls system based on braking energy recuperation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151223 |
|
| WD01 | Invention patent application deemed withdrawn after publication |