CN206374915U - A kind of small chain wheel labor saving acceleration bicycle - Google Patents
A kind of small chain wheel labor saving acceleration bicycle Download PDFInfo
- Publication number
- CN206374915U CN206374915U CN201621068673.1U CN201621068673U CN206374915U CN 206374915 U CN206374915 U CN 206374915U CN 201621068673 U CN201621068673 U CN 201621068673U CN 206374915 U CN206374915 U CN 206374915U
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- CN
- China
- Prior art keywords
- chain wheel
- driving
- gear
- small chain
- driven gear
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Abstract
The utility model is related to a kind of small chain wheel labor saving acceleration bicycle, including bicycle pedestal, front-wheel, rear drive sprocket, accelerator, drive device, pedal, crank；Accelerator is the velocity adjustment apparatus of the bicycle, and driving gear, middle gear and backgear are arranged in order in accelerator, are respectively fixedly connected with driving shaft, axis and rear axle；Driving shaft is connected with crank；Gear-box is enclosed construction, is set on the outside of four gears；Small chain wheel is installed on the outside of accelerator in drive device, and driving flywheel is installed on trailing wheel, and chain is cased between small chain wheel and driving flywheel.Its advantage is：Accelerating structure reduces the radius of gyration by setting four accelerating gears in the structure, solves the laborious problem of molar dish driving, while accelerating structure middle gear combines driving with small chain wheel, increases gearratio, improves riding speed；In addition, setting closed protective case outside accelerator, effectively prevent gear from being worn and torn by external force, strengthen service life.
Description
Technical field
The utility model is related to laborsaving, fast during a kind of vehicles, more particularly to a kind of achievable cycling
The denticle dish driving structure of speed.
Background technology
Bicycle is as traditional walking-replacing tool, using foot pedal as power, is gone on a journey as a kind of portable of environmental protection
Instrument, is widely used, and the kind of drive of the bicycle occurred in the market is pedal by crank handle turns large toothed disk, and then
The mode of rear wheel is driven to move ahead, such a mode has certain defect, specific as follows：
(1) according to actual contrast, a diameter of 175mm of the large toothed disk of ordinary bicycle, it is 87.5mm that it, which returns radius,
Tooth number is 44 teeth, and the tooth number of rear wheel drive flywheel is 18 teeth, therefore the gearratio formed is 2.4, and this has resulted in tradition voluntarily
Car power crank is longer, for the angle of lever mechanics, and pedal, crank, the centre of gyration point of large toothed disk are whole bicycles
The fulcrum of lever motion, pedal is sticking point (or point of application) with crank intersection, and the radius of large toothed disk is stress point, wherein greatly
Chain wheel is bigger, and stress point is more remote apart from fulcrum, and the radius of gyration is bigger, drives chain wheel rotation to consume one's strength more, such a situation exists
It is particularly evident during upward slope；
(2) traditional large toothed disk design it is less in the case of, the radius of gyration is smaller, laborsaving but gearratio is smaller, speed
Slower, the time length of riding equally takes time and effort；
(3) chain wheel is exposed or is partly exposed to outside, easily causes chain wheel damage, reduces service life.
Therefore, in view of the above, needing to carry out prior art effective innovation.
Utility model content
For disadvantages described above, the utility model provides a kind of small chain wheel labor saving acceleration bicycle, to solve prior art
Many deficiencies.
To achieve the above object, the utility model uses following technical scheme：
A kind of small chain wheel labor saving acceleration bicycle, including bicycle unitized frame, front-wheel, trailing wheel, accelerating structure, driving dress
Put；The unitized frame of the acceleration bicycle is ordinary bicycle frame, including tripod, front fork, handle and saddle is sat, before front end is installed
Trailing wheel is installed in wheel, rear end, and this device has made new design on the basis of original, facilitated the laborsaving acceleration of vehicle ride,
It is specifically theed improvement is that：
Input and export structure of the accelerating structure therein for the bicycle power, including accelerator, pedal, crank；
Wherein accelerator is made up of four accelerating gears and closed type tooth roller box, wherein four accelerating gears are respectively driving tooth
Wheel, axis driven gear one, axis driven gear two, rear axle driven gear；Gearbox cover is enclosed on the outside of four accelerating gears, its
Inside add three different axles, respectively driving shaft, axis, rear axle；Driving shaft therein is connected with pedal, crank, thereon
Fixed suit driving gear, in transmission process, the rotary motive power of pedal drives driving shaft and driving gear to turn round through crank,
Complete the input of power；The driven gear of two panels different size is fixedly connected with axis by key；Rear axle one end is fixed with key
Connect the small chain wheel on the outside of the driven gear in gear-box, other end connection gear-box；
Accordingly, the modulus of four accelerating gears be 1.5, driving gear be 40 teeth, three driven gears be respectively 40 teeth,
30 teeth and 20 teeth；
Accordingly, two driven gears connected on axis are respectively 40 teeth and 30 teeth；
Accordingly, driving gear is engaged transmission, the axis driven gear and rear axle of 40 teeth with the axis driven gear of 30 teeth
Driven gear occlusion transmission, drives small chain wheel, small chain wheel, has obtained the output of larger gearratio, simultaneously in this course
The radius of gyration in transmission is largely reduced, labour-saving effect has been effectively accomplished；
Drive device therein is made up of small chain wheel, driving flywheel and chain, and small chain wheel is installed on the outside of accelerator, and
Rear axle driving is shared with the rear axle driven gear in accelerator；Driving flywheel is installed on trailing wheel by drive shaft, is driven and is driven
Dynamic trailing wheel rotation, is cased with chain, to realize the transmission of power between small chain wheel and driving flywheel；
Accordingly, the tooth of 1.5 modulus driving gear 40 maximum outside diameter 63mm in accelerator, returning radius is
31.5mm, gearratio is 2.666.
A kind of small chain wheel labour-saving bicycle described in the utility model has the beneficial effect that：
Accelerating structure reduces the radius of gyration by setting four accelerating gears in the structure, solves molar dish driving laborious
Problem, while accelerating structure middle gear combines driving with small chain wheel, increases gearratio, improves riding speed；In addition, accelerating dress
The outside closed protective case of setting is put, effectively prevents gear from being worn and torn by external force, strengthens service life.
Brief description of the drawings
The utility model is described in further detail below according to accompanying drawing.
Fig. 1 is a kind of small chain wheel labour-saving bicycle structure schematic diagram described in the utility model；
Fig. 2 is that a kind of small chain wheel labour-saving bicycle described in the utility model accelerates driving structure schematic diagram；
Fig. 3 is a kind of small chain wheel labor saving acceleration bicycle accelerating structure schematic diagram described in the utility model；
Fig. 4 is that a kind of small chain wheel labor saving acceleration bicycle described in the utility model is illustrated with standard bicycle gear mesh ratio
Figure.
In figure：
1st, bicycle unitized frame；2nd, front-wheel；3rd, trailing wheel；4th, accelerator；5th, drive device；6th, pedal；7th, crank；
40th, driving shaft；41st, axis；42nd, rear axle；43rd, driving gear；440th, axis driven gear one；441st, axis is driven
Gear two；45th, rear axle driven gear；46th, gear-box；
50th, small chain wheel；51st, flywheel is driven；52nd, chain.
Embodiment：
As Figure 1-3, a kind of small chain wheel labor saving acceleration bicycle described in the utility model, including the overall car of bicycle
Frame 1, front-wheel 2, trailing wheel 3, accelerator 4, drive device 5, pedal 6, crank 7；The acceleration bicycle unitized frame 1 for it is common from
Driving frame, including tripod, front fork, handle and saddle is sat, input and export structure of its accelerating structure for the bicycle power, bag
Include accelerator 4, pedal 6, crank 7；
Described accelerator 4 is made up of four accelerating gears and closed type tooth roller box 46, wherein four accelerating gears
Respectively driving gear 43, axis driven gear 1, axis driven gear 2 441, rear axle driven gear 45；Gear-box 46
The enclosure adds three different axles, respectively driving shaft 40, axis 41 and rear axle 42 on the outside of four accelerating gears in it；
Driving shaft 40 therein is connected with crank 7 and pedal 6, and fixed suit driving gear 43, in transmission process, is stepped on driving shaft 40
The rotary motive power of plate 6, drives driving shaft 40 and driving gear 43 to turn round through crank 7, completes the input of power；Wherein on axis 41
The axis driven gear 1 and axis driven gear 2 441 of two panels different size are fixedly connected with by key, and axis is driven
Gear 1 is fixedly connected with rear axle driven gear 45, the other end positioned at the one end of 2 441 inner side rear axle of axis driven gear 42 with key
Connect the small chain wheel 50 in the outside of gear-box 46；
Accordingly, the modulus of four accelerating gears is 1.5, and driving gear 43 is 40 teeth, and axis driven gear 1 is 30
Tooth, axis driven gear 2 441 are that 40 teeth, rear axle driven gear 45 are 20 teeth；
Accordingly, the maximum outside diameter 63mm of driving gear 43, passback radius is 31.5mm, and gearratio is 2.666；
Accordingly, driving gear 43 is engaged transmission, axis driven gear 2 441 and rear axle with axis driven gear 1
The occlusion transmission of driven gear 45, drives small chain wheel 50, small chain wheel 50, has obtained the defeated of larger gearratio in this course
Go out, while largely reducing the radius of gyration in transmission, be effectively accomplished labour-saving effect；
Drive device 5 therein is made up of small chain wheel 50, driving flywheel 51 and chain 52, and small chain wheel 50 is installed on acceleration dress
4 outsides are put, and rear axle 42 is shared with the rear axle driven gear 45 in accelerator 4 and are driven；Driving flywheel 51 is pacified by drive shaft
Loaded on trailing wheel 3, drive trailing wheel 3 to rotate, chain 52 is cased between small chain wheel 50 and driving flywheel 51, to realize the transmission of power.
The above-mentioned description to embodiment is it will be appreciated that and using this for the ease of those skilled in the art
Case technology, person skilled in the art obviously can make various modifications to these examples easily, and described herein one
As principle be applied in other embodiments without passing through performing creative labour.Therefore, this case is not limited to above example, ability
The technical staff in domain is according to the announcement of this case, and the improvement made for this case and modification all should be in the protection domains of this case.
Claims (6)
1. a kind of small chain wheel labor saving acceleration bicycle, including bicycle unitized frame (1), front-wheel (2), trailing wheel (3), accelerator
(4), drive device (5), pedal (6), crank (7)；It is characterized in that：
The accelerating structure of the bicycle includes accelerator (4), pedal (6), crank (7)；Wherein accelerator (4) is added by four
Fast gear and closed type tooth roller box (46) composition, wherein four accelerating gears are respectively driving gear (43), axis driven tooth
Take turns one (440), axis driven gear two (441), rear axle driven gear (45)；Gear-box (46) enclosure is outside four accelerating gears
Side, adds three different axles, respectively driving shaft (40), axis (41) and rear axle (42) in it；
The drive device (5) of the bicycle is made up of small chain wheel (50), driving flywheel (51) and chain (52), small chain wheel (50) peace
Rear axle (42) driving is shared loaded on accelerator (4) outside, and with rear axle driven gear (45)；Flywheel (51) is driven to pass through driving
Axle is installed on trailing wheel (3)；Chain (52) is cased between small chain wheel (50) and driving flywheel (51).
2. a kind of small chain wheel labor saving acceleration bicycle according to claim 1, it is characterised in that：The accelerator (4)
Middle driving shaft (40) is connected with crank (7) and pedal (6), fixed suit driving gear (43) on driving shaft (40)；Axis (41)
The upper axis driven gear one (440) and axis driven gear two (441) that two panels different size is fixedly connected with by key；Rear axle
(42) one end is fixedly connected with rear axle driven gear (45) with key, and the other end connects small chain wheel (50).
3. a kind of small chain wheel labor saving acceleration bicycle according to claim 1, it is characterised in that：The accelerator (4)
In four accelerating gears modulus be 1.5, driving gear (43) be 40 teeth, axis driven gear one (440) be 30 teeth, axis from
Moving gear two (441) is that 40 teeth, rear axle driven gear (45) are 20 teeth.
4. a kind of small chain wheel labor saving acceleration bicycle according to claim 1, it is characterised in that：The driving gear (43)
Transmission is engaged with axis driven gear one (440), axis driven gear two (441) is engaged transmission with rear axle driven gear (45).
5. a kind of small chain wheel labor saving acceleration bicycle according to claim 3, it is characterised in that：The driving gear (43)
Maximum outside diameter 63mm, passback radius is 31.5mm, and gearratio is 2.666.
6. a kind of small chain wheel labor saving acceleration bicycle according to claim 2, it is characterised in that：The axis driven gear
One (440) are located on the inside of axis driven gear two (441).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621068673.1U CN206374915U (en) | 2016-09-15 | 2016-09-15 | A kind of small chain wheel labor saving acceleration bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621068673.1U CN206374915U (en) | 2016-09-15 | 2016-09-15 | A kind of small chain wheel labor saving acceleration bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206374915U true CN206374915U (en) | 2017-08-04 |
Family
ID=59402903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621068673.1U Expired - Fee Related CN206374915U (en) | 2016-09-15 | 2016-09-15 | A kind of small chain wheel labor saving acceleration bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206374915U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110435807A (en) * | 2019-08-28 | 2019-11-12 | 李凤桐 | A kind of bicycle torque increase speed-raising transmission device |
| CN112124488A (en) * | 2019-06-09 | 2020-12-25 | 罗天珍 | Bicycle and electric moped with middle shaft fluted disc speed changer |
-
2016
- 2016-09-15 CN CN201621068673.1U patent/CN206374915U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112124488A (en) * | 2019-06-09 | 2020-12-25 | 罗天珍 | Bicycle and electric moped with middle shaft fluted disc speed changer |
| CN110435807A (en) * | 2019-08-28 | 2019-11-12 | 李凤桐 | A kind of bicycle torque increase speed-raising transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170804 Termination date: 20180915 |