CN2666805Y - Bestriding motorcycle differential stepless speed variator - Google Patents
Bestriding motorcycle differential stepless speed variator Download PDFInfo
- Publication number
- CN2666805Y CN2666805Y CN 200320110360 CN200320110360U CN2666805Y CN 2666805 Y CN2666805 Y CN 2666805Y CN 200320110360 CN200320110360 CN 200320110360 CN 200320110360 U CN200320110360 U CN 200320110360U CN 2666805 Y CN2666805 Y CN 2666805Y
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- gear
- differential
- wheel
- clutch
- coaxial
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Abstract
The utility model relates to a bestriding motorcycle differential stepless speed variator, which is characterized in that: an engine output shaft is equipped with a wet type centrifugal clutch, and a variable speed drive mechanism consisting of a differential, a gear cluster and a chain drive. The utility model can further reduce fuel consumption, decrease the abrasion of clutch friction plate, and prolong the life time of the clutch friction plate and the V-shaped belt. The device has large drive ratio, can be widely used in medium-small displacement bestriding and petal motorcycles.
Description
Technical field
The utility model relates to the motorcycle stepless change-speed box, specifically straddles motor bike differential type toric transmission.
Background technology
What adopt on the known motor bike is v-belt stepless speed variator, and the deficiency of its existence is the oil consumption height, efficient is low, acceleration is slow, and converter speed ratio is little, and the power coverage is little.Designed pedal motorcycle differential type toric transmission for this reason in person, be characterized in: the speed-changing mechanism that on motorcycle rear axle, is provided with shaft type diff and pinion frame big gear wheel, free-wheel clutch composition.But, above-mentioned project organization relative complex.
Summary of the invention
The purpose of this utility model provides a kind ofly both can reduce oil consumption, increase converter speed ratio, reduce clutch fading, the motor bike differential type toric transmission that straddles simple in structure again.
To achieve these goals, the utility model is taked following technical scheme:
1, straddle motor bike differential type toric transmission, comprise the V-shape belt stepless speed changing mechanism, it is characterized in that: engine output shaft is provided with wet-type centrifugal clutch,
The driven shaft 11 of V-shape belt stepless speed changing mechanism is provided with reduction pinion teeth 12, with reduction pinion teeth 12 gears in meshs 16 by being located on the gearbox body, with the gear 16 coaxial gears 13 that are provided with, be located on the differential axle 19 with gear 13 planet gear meshed frame big gear wheels 6, planetary gear carrier big gear wheel 6 both sides are coaxial differential gear 5 and differential gear 24, with differential gear 5 and differential gear 24 ingears be planetary wheel 25 and planetary wheel 18;
Differential gear 24 outsides are provided with coaxial disjunctor gear 30, are located on the gearbox body by tween drive shaft 21 with gear 30 gears in meshs 22, are located on the engine output shaft with gear 22 ingear reaction gears 26, and reaction gear 26 is provided with power-transfer clutch 23;
The coaxial gear 4 that is provided with in the outside of differential gear 5 is located on the tween drive shaft 21 with gear 4 gears in meshs 3, is located on the engine output shaft with gear 3 ingear high speed driving gears 29, and wet-type centrifugal clutch hoof piece disjunctor is located at high speed driving gear 29 1 sides;
The drive sprocket 20 of one chain drive is located on the differential axle 19, and driven sprocket 15 is located on the motorcycle rear axle, and chain is striden and is located on sprocket wheel 20 and the sprocket wheel 15.
2, described power-transfer clutch 23 is a free-wheel clutch.
The beneficial effects of the utility model are embodied in four aspects:
1, reduces oil consumption
The problem of v-belt stepless speed variator clutch fading when utilizing driving engine to lead resistance glancing impact engine rpm too high and starting and low speed driving that adopted this device solves, thus oil consumption reduced; On the other hand, this device makes vehicle possess middle low speed wheel function, so oil consumption can further reduce.
2, reduce the wearing and tearing of clutch-lining
Because power-transfer clutch is non-slip in starting and accelerator, can prolong the service life of clutch-lining greatly, reduce maintenance cost, even power-transfer clutch can not skid yet when extremely hanging down the speed of a motor vehicle, this is that existing v-belt stepless speed variator can't be accomplished.
3, converter speed ratio is big
Converter speed ratio of the present utility model can be up to more than 1 to 10, effective speed change when the extremely low speed of a motor vehicle, and the converter speed ratio of v-belt stepless speed variator has only about 1 to 3, can not speed change in 0-15 kilometer/hour scope.
4, prolonged the service life of V-shape belt
Because major part is to finish with the speed above 50 kilometers/hour in the motor bike total mileage, and the utility model change-speed box is direct geared when running at high speed, V-shape belt does not stress, and has alleviated the work load of V-shape belt greatly.
5, the utility model applied range can be widely used in medium and small discharge capacity and straddle and pedal motorcycle.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
Below by accompanying drawing, the utility model is further described in conjunction with the embodiments.
Straddle motor bike differential type toric transmission, comprise the wet-type centrifugal clutch on V-shape belt stepless speed changing mechanism and the engine output shaft 1.
The driving pulley 2 of V-shape belt stepless speed changing mechanism is installed in the axle head of engine output shaft 1, and driven pulley 10 is installed on the driven shaft 11, and driven pulley 10 outsides are installed with dry-type centrifugal power-transfer clutch hoof piece 9, and dry-type centrifugal clutch drum 8 is fixed on the driven shaft 11.
On the driven shaft 11 of V-shape belt stepless speed changing mechanism reduction pinion teeth 12 is installed, with reduction pinion teeth 12 gears in meshs 16 by axle mounting on gearbox body, be coaxially installed with gear 13 with gear 16, be installed on the differential axle 19 with gear 13 planet gear meshed frame big gear wheels 6, planetary gear carrier big gear wheel 6 both sides are coaxial differential gear 5 and differential gear 24, with differential gear 5 and differential gear 24 ingears be planetary wheel 25 and planetary wheel 18;
Differential gear 24 outsides are equipped with coaxial disjunctor gear 30, be installed on the gearbox body by tween drive shaft 21 with gear 30 gears in meshs 22, be installed on the engine output shaft 1 with gear 22 ingear reaction gears 26, free-wheel clutch 23 is installed on the reaction gear 26;
The outside of differential gear 5 is coaxially installed with gear 4, be installed on the tween drive shaft 21 with gear 4 gears in meshs 3, be installed on the engine output shaft 1 with gear 3 ingear high speed driving gears 29, wet-type centrifugal clutch hoof piece 27 disjunctors are contained in high speed driving gear 29 1 sides; The wet-type centrifugal clutch drum 28 that cooperates with wet-type centrifugal clutch hoof piece 27 is installed on the engine output shaft 1.
The drive sprocket 20 of one chain drive is installed on the differential axle 19, and driven sprocket 15 is installed on the motorcycle rear axle, and driving chain 17 straddle mountings are on sprocket wheel 20 and sprocket wheel 15.
The principle of work of this device is as follows:
Behind the fire an engine, when engine speed is lower than 1500 rev/mins, reaction gear 26 is motionless, free-wheel clutch 23 idle running, wet-type centrifugal clutch hoof piece 27 and drum 28 are in released state, high speed driving gear 29 does not rotate yet, and driving pulley 2 drives driven pulley 10 by V-shape belt 7 and rotates; When engine speed is higher than 1500 rev/mins, at this moment, dry type clutch hoof piece 9 is thrown away with dry type clutch drum 8 and is combined, thereby driving driven pulley axle 11 rotates, driven pulley axle 11 is by reduction pinion teeth 12, it is big to slow down, miniature gears 13,16 pass to planetary gear carrier big gear wheel 6 with power, planetary gear carrier big gear wheel 6 is by planetary wheel 18,25 and diff both sides crowngear 5,24 pass to differential axle 19 and diff the right gear 30 with power, countershaft-gear 22, reaction gear 26, the speed of free-wheel clutch 23 idle running at this moment begins to slow down, and stops along with the beginning of V-shape belt speed-changing mechanism speed change.At this moment, planetary gear carrier big gear wheel 6 is 1 to 2 with the revolution ratio of diff the right gear 30.
Along with engine speed raises, the V-shape belt change-speed box begins speed change, the amplitude that planetary gear carrier big gear wheel 6 rotating speeds raise is greater than diff the right gear 30, the revolution ratio of the two rotates since 1 to 2 to 1 to 1 transition differential axle 19, and pass through drive sprocket 20, driving chain 17 and driven sprocket 15 power is passed to rear wheel 14, vehicle begins starting.The revolution ratio of planetary gear carrier big gear wheel 6 and diff right side gear 30 is from 1 to 2 to 1 to 1 process that changes, promptly be Vehicle Speed by 0 to high-revolving stepless change process.
When car speed reaches 50 kilometers/hour, wet-type centrifugal clutch hoof piece 27 is thrown away, combine with wet-type centrifugal clutch drum 28, at this moment the power of engine output shaft 1 is passed power to rear wheel 14 by high speed driving gear 29, countershaft-gear 3, differential left side gear 4, diff left side crowngear 5, differential axle 19, because the transmitting ratio of this transmission line is slightly larger than the maximum transmission ratio of differential type toric transmission, so free-wheel clutch 23 can produce low idle on engine output shaft 1, and the transmission line when causing starting-up to speed interrupts.
When vehicle reduces throttle suddenly to travel above 50 kilometers/hour speed, vehicle can utilize driving engine to lead the resistance braking and can not cause engine rpm too high, when the speed of a motor vehicle is lower than 50 kilometers/hour, wet-type centrifugal clutch separates, leading the resistance braking removes, vehicle can slide and travel, and reduces throttle to be lower than 50 kilometers/hour when sliding at vehicle, and free-wheel clutch 23 dallies on engine output shaft.
Can be drawn by above description: when vehicle start quickens, finish speed-change process by the differential type toric transmission, at this moment vehicle ' is realized by V-shape belt and chain-driving.The differential type toric transmission is then given it up when high vehicle speeds promptly surpasses 50 kilometers/hour, changes through-coupling into, and at this moment vehicle ' is realized by gear and chain-driving; This just makes vehicle have higher driving efficiency, owing to possess the Jake brake function during vehicle high speed, possesses wheel function during middle low speed, makes vehicle both guarantee safety traffic, has reduced oil consumption again effectively.
Claims (2)
1, straddle motor bike differential type toric transmission, comprise the V-shape belt stepless speed changing mechanism, it is characterized in that: engine output shaft is provided with wet-type centrifugal clutch,
The driven shaft of V-shape belt stepless speed changing mechanism (11) is provided with reduction pinion teeth (12), with reduction pinion teeth (12) gears in mesh (16) by being located on the gearbox body, with the coaxial gear (13) that is provided with of gear (16), be located on the differential axle (19) with gear (13) planet gear meshed frame big gear wheel (6), planetary gear carrier big gear wheel (6) both sides are coaxial differential gear 5 and differential gear (24), with differential gear (5) and differential gear (24) ingear be planetary wheel (25) and planetary wheel (18);
Differential gear (24) outside is provided with coaxial disjunctor gear (30), be located on the gearbox body by tween drive shaft (21) with gear (30) gears in mesh (22), be located on the engine output shaft with gear (22) ingear reaction gear (26), reaction gear (26) is provided with power-transfer clutch (23);
The coaxial gear (4) that is provided with in the outside of differential gear (5), be located on the tween drive shaft (21) with gear (4) gears in mesh (3), be located on the engine output shaft with gear (3) ingear high speed driving gear (29), wet-type centrifugal clutch hoof piece disjunctor is located at high speed driving gear (29) one sides;
The drive sprocket of one chain drive (20) is located on the differential axle (19), and driven sprocket (15) is located on the motorcycle rear axle, and chain is striden and is located on sprocket wheel (20) and the sprocket wheel (15).
2, the motor bike differential type toric transmission that straddles according to claim 1, it is characterized in that: described power-transfer clutch (23) is a free-wheel clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320110360 CN2666805Y (en) | 2003-10-20 | 2003-10-20 | Bestriding motorcycle differential stepless speed variator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320110360 CN2666805Y (en) | 2003-10-20 | 2003-10-20 | Bestriding motorcycle differential stepless speed variator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2666805Y true CN2666805Y (en) | 2004-12-29 |
Family
ID=34343649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320110360 Expired - Fee Related CN2666805Y (en) | 2003-10-20 | 2003-10-20 | Bestriding motorcycle differential stepless speed variator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2666805Y (en) |
-
2003
- 2003-10-20 CN CN 200320110360 patent/CN2666805Y/en not_active Expired - Fee Related
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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 |