CN203395123U - Continuous speed changer - Google Patents
Continuous speed changer Download PDFInfo
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- CN203395123U CN203395123U CN201320084590.1U CN201320084590U CN203395123U CN 203395123 U CN203395123 U CN 203395123U CN 201320084590 U CN201320084590 U CN 201320084590U CN 203395123 U CN203395123 U CN 203395123U
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- movable disk
- fixed tray
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Abstract
The utility model discloses a continuous speed changer. The continuous speed changer comprises a drive wheel, a driven wheel, and a transmission component connecting the drive wheel with the driven wheel, wherein the drive wheel and the driven wheel are the same in structure, and comprise a movable disc and a fixed disc respectively; a plurality of radial grooves are formed in the fixed disc; fixed shafts are arranged in the radial grooves; wheels are arranged on the fixed shafts; the fixed disc of the drive wheel is fixed on an input shaft; the movable disc of the drive wheel is sleeved on a drive shaft and opposite with the fixed disc; a guide mechanism is arranged between the movable disc and the fixed disc, and used for guiding each fixed shaft to move in the radial groove. The continuous speed changer further comprises a linear driving mechanism, a left lever and a right lever, wherein the upper parts and the lower parts of the left lever and the right lever are fixed with the movable discs of the drive wheel and the driven wheel respectively; a tooth-shaped synchronization mechanism is arranged between the left lever and the right lever; and the linear driving mechanism is connected between the left lever and the right lever, and used for driving the left lever and the right lever to be away from each other or close to each other, so that the movable discs guide the wheels on the fixed discs by virtue of the guide mechanisms to move along the radial grooves to increase or reduce the diameter of a circle formed by the wheels, thus changing a ratio between the driven wheel and the drive wheel.
Description
Technical field
The utility model relates to continuously variable transmission, and it can provide and between input speed and output speed, carry out continually varying speed ratio.
Background technique
In the development of speed changer, continuously variable transmission CVT is a kind of important class wherein, its major advantage provides power when being to change speed ratio continuously, but owing to being all to using friction driving as architecture basics in existing continuously variable transmission mechanism, and when speed ratio changes, must make active body and be carried out relative slippage by kinetoplast, now will inevitably produce relatively and skid, this not only loses a large amount of power and causes the irregular of speed ratio, brings amount of heat simultaneously.Although known continuously variable transmission can work it by a large amount of improvement and various ancillary method, these problems still exist always.
Summary of the invention
Technical problem to be solved in the utility model is overcome the above-mentioned defect of prior art and continuously variable transmission is provided.
The utility model solves the problems of the technologies described above adopted technological scheme:
Continuously variable transmission, comprise driving wheel, follower, the transmission part that connects driving wheel and follower, driving wheel is identical with driven wheel structure, include movable disk and fixed tray, several radial grooves are set on fixed tray, stationary axle is all set in radial groove, wheel is all set on stationary axle, the fixed tray of driving wheel is fixed on input shaft, the movable disk of driving wheel is enclosed within on driving shaft and is relative with fixed tray, guiding mechanism guiding stationary axle is set between movable disk and fixed tray to be moved in radial groove, thereby make movable disk by guiding mechanism guide wheel on fixed tray radially groove move and expand or dwindle the formed diameter of a circle of wheel, thereby change the ratio between follower and driving wheel.
Above-mentioned guiding mechanism is: movable disk footpath makes progress vertical setting can be through the guide of fixed tray radial groove, guide arranges oblique slot, connecting rod is set in radial groove, connecting rod one end and stationary axle are fixed, the other end embeds oblique slot and slides in oblique slot, when movable disk drives guide to move to fixed tray, guide is through radial groove, oblique slot connecting rod on guide drives stationary axle to radially slide in the radial groove of fixed tray, thereby change the position that is fixed on the wheel on stationary axle, the driving wheel that wheel forms and the diameter of follower all change.
Above-mentioned guiding mechanism is linkage mechanism: steering channel is set in movable disk, two connecting rod one end are connected by bearing pin and bearing pin are placed in to steering channel and at steering channel slidably, the one connecting rod the other end is connected by bearing pin with stationary axle and is placed in radial groove and at steering channel slidably, another connecting rod the other end axle is connected in radial groove, like this when movable disk shifts near to fixed tray, by two connecting rods, drive stationary axle to radially slide in the radial groove of fixed tray, thereby change the position that is fixed on the wheel on stationary axle, the driving wheel that wheel forms and the diameter of follower all change.
Also comprise straight line driving mechanism, lever left, right lever, the upper and lower of lever left and right lever is fixed with the movable disk of driving wheel and follower respectively, between lever left, right lever, profile of tooth lazy-tongs are set, straight line driving mechanism is connected between lever left and right lever, drive lever left and right lever from or close, thereby make movable disk by guiding mechanism guide wheel on fixed tray radially groove move and expand or dwindle the formed diameter of a circle of wheel, thereby change the ratio between follower and driving wheel.
Above-mentioned synchronizing jugged mechanism is: lever left middle part and right lever middle part be all around rotating shaft rotation separately, between lever left and right lever, by tooth, is meshed and is synchronizeed.
The tension device of tensioning transmission part is also set on above-mentioned transmission part.
Above-mentioned wheel is arranged on stationary axle by one-way clutch bearing.
Above-mentioned straight line driving mechanism can be linear electric motor, oil cylinder, cylinder isoline mechanism.
During above-mentioned continuously variable transmission work, input shaft is subject to external drive to drive driving wheel to rotate, and drives and is fixed on the wheel turns on stationary axle, and driving wheel drives follower to rotate by transmission part, and follower drives output shaft rotation.
When needs speed change, straight line driving mechanism drives lever left and right lever motion, because the movable disk equal proportion being realized in same axis by profile of tooth lazy-tongs between lever left and right lever is moved, and make the movable disk inverse proportion axial motion of driving wheel and follower, the axial motion of movable disk makes stationary axle and wheel radial motion, the radial motion of wheel changes the transmission part contact diameter of driving wheel and follower continuously, thereby when making input and output shaft realize the transmission of moment of torsion, realizes the continuous variation of speed ratio.
Compared with prior art, the utility model has the advantage of: by the change to from driving wheel and driven wheel structure, having eliminated existing continuously variable transmission need to could change the defect of transmission ratios and the power of transmission by relative sliding, therefore can improve transmission quality, reduces energy consumption.Therefore, whole mechanism is simple, and reliability is high.
Accompanying drawing explanation
Fig. 1 is the sectional drawing of the utility model embodiment continuously variable transmission.
Fig. 2 is the schematic side view that the utility model embodiment connects speed changer.
Fig. 3 is the structural representation of the utility model one embodiment's guiding mechanism.
Fig. 4 is the structural representation of another embodiment's of the utility model guiding mechanism.
Fig. 5 is the structural representation that the utility model one is implemented synchronous proportional controlling mechanism.
Embodiment
As shown in Figure 1, fixed tray 7 is separately fixed on input shaft 1 and output shaft 18, and movable disk 5 is enclosed within respectively on input shaft 1 and output shaft 18, and fixed tray 7 is relative with movable disk 5, and movable disk 5 can endwisely slip along input shaft 1 and output shaft 18.
As shown in Figure 2, on fixed tray 7, along even circumferential, radial groove 71 is set, stationary axle 15 is set in radial groove 71, on stationary axle 15, by unilateral bearing 11, wheel 10 is installed, all wheels 10 of the fixed tray 7 on input shaft 1 form driving wheel 100, all wheels 10 on the fixed tray 7 of output shaft 18 form follower 200, between driving wheel and follower, by transmission part 9, connected and transmission, wheel 10 is radially slided the whole diameter of a circle that wheel 10 forms is changed by stationary axle 15 in the radial groove 71 of fixed tray 7 like this, that is to say whole driving wheel 100, follower 200 changes with the contact diameter of transmission part 9.
Between above-mentioned fixed tray 7 and movable disk 5, by guiding mechanism, connect, as Fig. 1, 2, shown in 3, above-mentioned guiding mechanism movable disk 5 footpaths make progress vertical setting can be through the guide 6 of fixed tray 7 radial grooves 71, oblique slot 61 is set on guide 6, connecting rod 12 is set in radial groove 71, connecting rod 12 one end and stationary axle 10 are fixing, the other end embeds oblique slot 61 and slides in oblique slot 61, when movable disk 5 drives guide 6 to move to fixed tray 7, guide 6 is through radial groove 71, oblique slot 61 connecting rods 12 on guide 6 drive stationary axle 15 to radially slide in the radial groove 71 of fixed tray 7, thereby change, be fixed on the wheel 15 position on stationary axle 10, the driving wheel 100 that wheel 15 forms and the diameter of follower 200 all change.
As shown in Figure 4, above-mentioned guiding mechanism can be also linkage mechanism, steering channel 52 is set in movable disk 5, two connecting rods 31, 32 one end are connected by bearing pin 33 and bearing pin 33 are placed in to steering channel 52 and at steering channel 52 slidably, one connecting rod 31 the other ends are connected by bearing pin 34 with stationary axle 51 and are placed in radial groove 71 and at steering channel 52 slidably, another connecting rod 32 the other end axles are connected in radial groove 71, like this when movable disk 5 shifts near to fixed tray 7, by two connecting rods 31, 32 drive stationary axle 15 to radially slide in the radial groove 71 of fixed tray 7, thereby change, be fixed on the wheel 15 position on stationary axle 10, the driving wheel 100 that wheel 15 forms and the diameter of follower 200 all change.
Above-mentioned wheel 10 can be belt pulley, sprocket wheel, synchronous pulley, gear etc., and corresponding transmission part 9 also becomes the forms such as driving belt or chain, is driving belt in the present embodiment.
Above-mentioned bearing can postive direction and the combination of reciprocal unilateral bearing, make this gear just with reciprocal transmission.
As shown in Figure 1,5, above-mentioned movable disk 5 moves by lever left 16, right lever 4, lever left 16, right lever 4 middle parts are fixed on support by bearing pin 17, and can on bearing pin 17, rotate, lever left 16, right lever 4 upper and lowers by pivot block 13 respectively with input shaft 1, output shaft on movable disk 5 fixing, lever left 16, right lever 4 are by middle tooth 161 and 41 engagements and synchronous.
Between above-mentioned left and right lever, by profile of tooth lazy-tongs, move, between left and right lever two ends, by linear electric motor 8, drive and leave or approach, realize the 5 equal proportion motions of coaxial movable disk and movable disk 5 inverse proportions of driving wheel 1 and follower 2 are moved.
Above-mentioned lever left 16, right lever 4 are fixed on above-mentioned input shaft, output shaft, as Fig. 4 by pivot block 13, bearing.
Above-mentioned input shaft, output shaft are fixed on support 3 by bearing 2,14, bearing support.
As shown in Figure 2, above-mentioned transmission part 9 is at a side installation tensioner of transferring power not, tension device comprises Idle wheel 20, Idle wheel 20 is connected on Idle wheel fixing rod 22 by rotating shaft 24, Idle wheel fixing rod 22 one end are fixed on supporting frame 23 by coupling shaft 25, the other end is by being connected on support by spring 21, and Idle wheel 20 is close to transmission part 9, like this can be by spring 21 to adjust the tightness of transmission part 9.
During transmission, input shaft 1 is subject to external drive to drive driving wheel 1 rotation, and driving wheel 100 drives follower 200 rotations by transmission part 9, and follower 200 drives output shaft 18 to rotate.
When needs speed change, linear electric motor drive lever left 16,4 motions of right lever, and lever left 16, right lever 4 profile of tooth lazy-tongs are as shown in Figure 2 realized the 5 equal proportion motions of coaxial movable disk and made the movable disk 5 inverse proportion motions of driving wheel 100 and follower 200.The axial motion of movable disk 5 makes slant rail 6 promote connecting rod 12, stationary axle 15 and wheel 10 radial motions, the radial motion of wheel 10 changes the transmission part contact diameter of driving wheel 1 and follower 2 continuously, thereby when making input and output shaft realize the transmission of moment of torsion, realizes the continuous variation of speed ratio.
Claims (10)
1. continuously variable transmission, it is characterized in that: comprise driving wheel, follower, the transmission part that connects driving wheel and follower, driving wheel is identical with driven wheel structure, include movable disk and fixed tray, several radial grooves are set on fixed tray, stationary axle is all set in radial groove, wheel is all set on stationary axle, the fixed tray of driving wheel is fixed on input shaft, the movable disk of driving wheel is enclosed within on driving shaft and is relative with fixed tray, guiding mechanism guiding stationary axle is set between movable disk and fixed tray to be moved in radial groove, thereby make movable disk by guiding mechanism guide wheel on fixed tray radially groove move and expand or dwindle the formed diameter of a circle of wheel, thereby change the ratio between follower and driving wheel.
2. according to the continuously variable transmission described in claim 1, it is characterized in that: described guiding mechanism is: movable disk footpath makes progress vertical setting can be through the guide of fixed tray radial groove, guide arranges oblique slot, connecting rod is set in radial groove, connecting rod one end and stationary axle are fixed, the other end embeds oblique slot and slides in oblique slot, when movable disk drives guide to move to fixed tray, guide is through radial groove, oblique slot connecting rod on guide drives stationary axle to radially slide in the radial groove of fixed tray, thereby change the position that is fixed on the wheel on stationary axle, the driving wheel that wheel forms and the diameter of follower all change.
3. continuously variable transmission according to claim 1, it is characterized in that: described guiding mechanism is linkage mechanism, steering channel is set in movable disk, two connecting rod one end are connected by bearing pin and bearing pin are placed in to steering channel and at steering channel slidably, the one connecting rod the other end is connected by bearing pin with stationary axle and is placed in radial groove and at steering channel slidably, another connecting rod the other end axle is connected in radial groove, like this when movable disk shifts near to fixed tray, by two connecting rods, drive stationary axle to radially slide in the radial groove of fixed tray, thereby change the position that is fixed on the wheel on stationary axle, the driving wheel that wheel forms and the diameter of follower all change.
4. according to the continuously variable transmission described in claim 2 or 3, it is characterized in that: also comprise straight line driving mechanism, lever left, right lever, the upper and lower of lever left and right lever is fixed with the movable disk of driving wheel and follower respectively, lever left, profile of tooth lazy-tongs are set between right lever, straight line driving mechanism is connected between lever left and right lever, drive lever left and right lever from or close, thereby make movable disk by guiding mechanism guide wheel on fixed tray radially groove move and expand or dwindle the formed diameter of a circle of wheel, thereby change the ratio between follower and driving wheel.
5. continuously variable transmission according to claim 4, is characterized in that: described synchronizing jugged mechanism is: lever left middle part and right lever middle part be all around rotating shaft rotation separately, between lever left and right lever, by tooth, is meshed and is synchronizeed.
6. according to the continuously variable transmission described in claim 1 or 2 or 3, it is characterized in that: the tension device that tensioning transmission part is also set on described transmission part.
7. continuously variable transmission according to claim 4, is characterized in that: the tension device that tensioning transmission part is also set on described transmission part.
8. continuously variable transmission according to claim 5, is characterized in that: the tension device that tensioning transmission part is also set on described transmission part.
9. according to the continuously variable transmission described in claim 1 or 2 or 3, it is characterized in that, described wheel is arranged on stationary axle by one-way clutch bearing.
10. continuously variable transmission according to claim 4, is characterized in that, described wheel is arranged on stationary axle by one-way clutch bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320084590.1U CN203395123U (en) | 2013-02-25 | 2013-02-25 | Continuous speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320084590.1U CN203395123U (en) | 2013-02-25 | 2013-02-25 | Continuous speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203395123U true CN203395123U (en) | 2014-01-15 |
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ID=49906658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320084590.1U Expired - Fee Related CN203395123U (en) | 2013-02-25 | 2013-02-25 | Continuous speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203395123U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363046A (en) * | 2013-02-25 | 2013-10-23 | 董栋 | Continuous speed changer |
| CN106122403A (en) * | 2016-06-30 | 2016-11-16 | 嘉善优联物流装备有限公司 | A kind of drive mechanism of adjustable speed |
| WO2018018850A1 (en) * | 2015-07-30 | 2018-02-01 | 郑云兵 | Transmission |
-
2013
- 2013-02-25 CN CN201320084590.1U patent/CN203395123U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363046A (en) * | 2013-02-25 | 2013-10-23 | 董栋 | Continuous speed changer |
| CN103363046B (en) * | 2013-02-25 | 2016-09-14 | 董栋 | Continuously variable transmission |
| WO2018018850A1 (en) * | 2015-07-30 | 2018-02-01 | 郑云兵 | Transmission |
| CN106122403A (en) * | 2016-06-30 | 2016-11-16 | 嘉善优联物流装备有限公司 | A kind of drive mechanism of adjustable speed |
| CN106122403B (en) * | 2016-06-30 | 2019-01-15 | 嘉善优联物流装备有限公司 | A kind of driving mechanism of adjustable speed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20150225 |
|
| EXPY | Termination of patent right or utility model |