CN2776835Y - Biclutch V type belt stepless speed changer - Google Patents
Biclutch V type belt stepless speed changer Download PDFInfo
- Publication number
- CN2776835Y CN2776835Y CN 200420150823 CN200420150823U CN2776835Y CN 2776835 Y CN2776835 Y CN 2776835Y CN 200420150823 CN200420150823 CN 200420150823 CN 200420150823 U CN200420150823 U CN 200420150823U CN 2776835 Y CN2776835 Y CN 2776835Y
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- driving wheel
- clutch
- fixed
- train
- driving
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Abstract
The utility model relates to a bi-clutch V-shaped belt stepless speed changer, which comprises a driving wheel train, a belt, a driven wheel train and a driven cutch which is matched with the driven wheel train, wherein the driving wheel train comprises a cooling fan and a driving wheel, the cooling fan is fixed on a crankshaft, one end of the crankshaft is positioned by a nut, the driving wheel is arranged on the other end of the cooling fan and the driving wheel is sheathed on the crankshaft via a bearing. The utility model is characterized in that a driving clutch which is matched with the driving wheel train is added, and a driving clutch hub is fixed on the outer edge of a driving wheel fixed tray. The driving clutch is fixed the crankshaft and is arranged in the driving clutch hub, the end part of the driving wheel is fixed with a spring pressure plate and an axial spring is clamped between the spring pressure plate and the driving wheel. The engine power of the utility model is transmitted to the speed changer via the driving clutch so as to break away from the direct control of the rotation speed of the engine, the utility model can automatically select reasonable transmission ratio according to road resistance and the utility model can further attain the purpose of saving oil.
Description
Affiliated technical field
The utility model provides a kind of v-belt stepless speed variator, belongs to motor vehicular transmission technical field.
Background technology
Existing motor bike v-belt stepless speed variator is for to be equipped with six centrifugal rollers in the driving wheel of this change-speed box, driving wheel directly is contained on the bent axle, has an axial spring to compress belt pulley in the flower wheel.Centnifugal force increases after the open out crankshaft rotating speed raises, and centrifugal roller forces the driving wheel axial compression, and flower wheel is forced to axial separation, forms greatly with little high speed transmissionization; And the centnifugal force of the centrifugal roller in pine tar door crankshaft rotating speed reduction back is little, and the axial spring axial compression belt pulley on the flower wheel forms the big low speed ratio of little band.This shows that this change-speed box is to be controlled by the rotating speed of driving engine, the rotating speed underneath drive ratio of driving engine is low speed, the rotating speed high transmission ratio high speed of driving engine, and the relation between this converter speed ratio and the rotating speed is unreasonable, must cause consumption of fuel big.
The utility model content
Technical problem to be solved in the utility model provides a kind of pair of clutch v-belt stepless speed variator, reduces the motor bike consumption of fuel.
Of the present utility model pair of clutch v-belt stepless speed variator, comprise initiatively train, belt, driven train and cooperate with driven train from dynamic clutch, initiatively train comprises cooling fan, driving wheel, cooling fan is fixed on the bent axle, the one end is located by nut, driving wheel is positioned at the other end of cooling fan, driving wheel is contained on the bent axle through bearing carrier ring, it is characterized in that: set up the active clutch that cooperates with the active train, the outer of active clutch hub and driving wheel reaction plate is fixed together, active clutch is fixed on the bent axle, and be positioned at the active clutch hub, at the end of driving wheel fixing spring pressing plate, clamping has axial spring between spring bearer plate and the driving wheel.
Above-mentioned driving wheel comprises the reaction plate of tape spool cover and the displacement disc of tape spool cover, wherein reaction plate is contained on the bent axle through bearing carrier ring, the pin-and-hole that is provided with on its axle sleeve, the axle sleeve of displacement disc is sleeved on the axle sleeve of reaction plate, it is provided with guide groove, guide finger is inserted in guide groove and the pin-and-hole, and spring bearer plate is fixed on the end of the axle sleeve of reaction plate through nut.
The utility model is after having taked above technical scheme, and the axial spring in original driven train can omit.
Its principle of work is: initiatively train is contained on the bent axle by bearing carrier ring, it is separated with bent axle, set up the active clutch that cooperates with the active train, the power of driving engine passes to initiatively train, belt by this active clutch, and then pass to from dynamic clutch by driven train, change-speed box just is not directly to be driven and by active clutch engine power is passed to change-speed box by bent axle like this, thereby breaks away from the direct control of engine speed.Secondly the rotating speed control speed change with former change-speed box changes resistance control speed change into, promptly cancel the centrifugal roller in the driving wheel, the powerful strong spring of repacking, the elastic force of the axial spring that flower wheel is fastened weakens or directly deletes the axial spring that flower wheel is fastened, force change-speed box under the situation of zero load or extraneous resistance little (i.e. load hour), to increase (as starting for high-speed transmission ratio (promptly being with little greatly) blocking the way roadlock power, go up a slope or load big) time flower wheel working diameter under the effect of its torque cam mechanism groove and torque pin (original technology) become greatly, make change-speed box become low speed transmissionization (being that little band is big), resistance is big more, driving wheel is more little, flower wheel is big more, so that enough moments of torsion to be provided; When blocking the way roadlock power reduced, transmitting ratio was returned to the high speed transmissionization again, can select rational transmitting ratio automatically according to the road resistance size, and then reach the oil-efficient purpose.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is that active train and active clutch are installed in the structural representation on the bent axle.
Among the figure: 1, nut 2, cooling fan 3, reaction plate 4, belt 5, displacement disc 6, ball bearing of main shaft 7, guide groove 8, axle sleeve 9, guide finger 10, spring 11, spring bearer plate 12, active clutch hub 13, active clutch 14, centrifugal friction piece 15, nut 16, bent axle 17, pin starter receiver 18, needle bearing 19, flower wheel 20, from dynamic clutch 21, transmission shaft 22, driven clutch hub 23, torque pin 24, the torque cam mechanism groove
The specific embodiment
Its working process is: behind engine starting, active clutch 13 rotates with bent axle 16 with change speed gear box cooling fan 2, at this moment, rotating speed is low, centnifugal force is little, and the centrifugal brake pad 14 of active clutch 13 can not engage with clutch hub 12, and this moment, the effect active train sky owing to bearing 6 was enclosed within on the bent axle 16, do not rotate, at this moment whole change-speed box is not worked.After the open out engine speed raises, the centrifugal friction piece 14 of active clutch 13 throws away with clutch hub 12 and engages, thereby drive initiatively train and belt 4 rotations, drive flower wheels 19 and rotate together by belt 4 from dynamic clutch 20, at this moment outwards throw away with driven clutch hub 22 in action of centrifugal force from the centrifugal friction piece of dynamic clutch 20 and engage, clutch hub 20 drives transmission shaft 21 by wheel reduction gear (known technology, not shown) give trailing wheel with transmission of power, trailing wheel begins to rotate.This moment is because load increase suddenly, flower wheel 19 makes the working diameter of flower wheel 19 strengthen under the effect of its torque pin 23 and torque cam mechanism groove 24, the width between centers of following driving wheel 19 because of driving wheel is a definite value, the length of drive belt 4 also is changeless, so force outside the guide groove 7 of displacement disc 5 on axle sleeve in the driving wheel and move compression spring 10, the distance of 5 of reaction plate 3 and displacement discs is strengthened, and the working diameter of driving wheel reduces.So extraneous resistance is big more, and the working diameter of flower wheel 19 is just big more, and the driving wheel working diameter is more little, so that enough moments of torsion to be provided, vehicle can be started to walk rapidly, and at this moment the transmitting ratio of change-speed box is low speed (being that little band is big).Otherwise, when blocking the way roadlock power reduces (it is little to load), flower wheel 19 working diameters diminish under the effect of its torque pin 23 and torque cam mechanism groove 24, the displacement disc 5 of driving wheel moves under its axial spring 10 effects laterally, the driving wheel working diameter strengthens, and the transmitting ratio of change-speed box is again by the ashamed high-speed transmission ratio (promptly being with little greatly) that is returned to.This change-speed box has just been realized controlling speed change by road resistance (being payload) like this, can select rational transmitting ratio automatically according to the road resistance size, and then reach the oil-efficient purpose.
Claims (2)
1. two clutch v-belt stepless speed variator, comprise initiatively train, belt (4), driven train and cooperate with driven train from dynamic clutch (20), initiatively train comprises cooling fan (2), driving wheel, cooling fan (2) is fixed on the bent axle (16), the one end is located by nut (1), driving wheel is positioned at the other end of cooling fan, driving wheel is sleeved on the bent axle (16) through bearing (6), it is characterized in that: set up the active clutch (13) that cooperates with the active train, active clutch hub (12) is fixed together with the outer of driving wheel reaction plate (3), active clutch (13) is fixed on the bent axle (16), and be positioned at active clutch hub (12), at the end of driving wheel fixing spring pressing plate (11), clamping has axial spring (10) between spring bearer plate (11) and the driving wheel.
2. as claimed in claim 1 pair of clutch v-belt stepless speed variator, it is characterized in that: driving wheel comprises the reaction plate (3) of tape spool cover and the displacement disc (5) of tape spool cover, wherein reaction plate (3) is sleeved on the bent axle (16) through bearing (6), its axle sleeve is provided with pin-and-hole, the axle sleeve of displacement disc (5) is sleeved on the axle sleeve of reaction plate (3), it is provided with guide groove (7), guide finger (9) is inserted in guide groove (7) and the pin-and-hole, and spring bearer plate (11) is fixed on the end of the axle sleeve of reaction plate (3) through nut (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420150823 CN2776835Y (en) | 2004-11-25 | 2004-11-25 | Biclutch V type belt stepless speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420150823 CN2776835Y (en) | 2004-11-25 | 2004-11-25 | Biclutch V type belt stepless speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2776835Y true CN2776835Y (en) | 2006-05-03 |
Family
ID=36744220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420150823 Expired - Fee Related CN2776835Y (en) | 2004-11-25 | 2004-11-25 | Biclutch V type belt stepless speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2776835Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101153556B (en) * | 2006-09-29 | 2011-06-08 | 本田技研工业株式会社 | Power transmission device |
| CN101526123B (en) * | 2009-03-31 | 2012-01-25 | 湖南中德汽车自动变速器股份有限公司 | Car complex transmission double-clutch transmission |
-
2004
- 2004-11-25 CN CN 200420150823 patent/CN2776835Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101153556B (en) * | 2006-09-29 | 2011-06-08 | 本田技研工业株式会社 | Power transmission device |
| CN101526123B (en) * | 2009-03-31 | 2012-01-25 | 湖南中德汽车自动变速器股份有限公司 | Car complex transmission double-clutch transmission |
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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 |