CN109915568A - Lever stepless speed change structure - Google Patents
Lever stepless speed change structure Download PDFInfo
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- CN109915568A CN109915568A CN201910319012.3A CN201910319012A CN109915568A CN 109915568 A CN109915568 A CN 109915568A CN 201910319012 A CN201910319012 A CN 201910319012A CN 109915568 A CN109915568 A CN 109915568A
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- lever
- speed change
- stepless speed
- change structure
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- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The invention discloses lever stepless speed change structure, including lever and fulcrum limit sleeve, wherein one end of the lever is sequentially connected with power input mechanism, and the other end of the lever is sequentially connected with power take-off mechanism.The present invention replaces transmission belt using lever, and collocation transmission gear group realizes electrodeless variable-speed；Electrodeless variable-speed can also be realized, compared to transmission belt, lever can bear bigger load, it is not easy to damage by the fulcrum of change lever.
Description
Technical field
The present invention relates to electrodeless variable-speed technical fields, and in particular to lever stepless speed change structure.
Background technique
The speed changer of industrial application is all the speed changer of fixed no-load voltage ratio at present, and speed regulation generally reaches final using electric machine speed regulation
The mesh of speed regulation obtains.Much single cost is also very expensive for powerful motor speed regulating method.Automotive transmission be divided into step speed change and
The disadvantages of variable speed, geared automatic transmission have pause and transition in rhythm or melody sense when shifting gears, and maintenance is costly.Another kind be exactly CVT i.e. without
Grade gear, full name in English Continuousl longitudinal direction VariableTransmission, abbreviation CVT.This change
The maximum difference of fast device and common automatic transmission is that it eliminates complicated and bulky gear combination gear, and only uses
Two groups of belt wheels carry out gears.Since the continuous change of transmission ratio may be implemented in CVT, to obtain power train and engine
The best match of operating condition improves the fuel economy and dynamic property of vehicle, improves the property easy to operate of driver and multiplying for occupant
Comfort is sat, so it is ideal automotive trannsmission system.But the shortcomings that CVT, is also apparent, and is exactly that transmission belt is easy to damage
It is bad, biggish load cannot be born, can only be limited the use of in low-power and low torque automobile in 1 liter capacity or so, therefore automatic
Speed changer occupation rate about 4% or less.
Summary of the invention
For above-mentioned technical deficiency, the object of the present invention is to provide lever stepless speed change structures, utilize lever
Instead of transmission belt, transmission gear group of arranging in pairs or groups realizes electrodeless variable-speed；Electrodeless variable-speed can also be realized by the fulcrum of change lever,
The problem of conveyer belt for solving the buncher mentioned in background technique is easily damaged, and cannot bear larger load.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
The present invention provides lever stepless speed change structure, including lever and fulcrum limit sleeve, and wherein one end of the lever passes
Dynamic to be connected with power input mechanism, the other end of the lever is sequentially connected with power take-off mechanism.
Preferably, the power input mechanism include include that driving device, first be bonded in the driving device are bent
Axis and first connecting rod, wherein one end of the first connecting rod are fixed on first crankshaft, the other end and the fixed company of lever
It connects；The power take-off mechanism include transmission gear group, be bonded in the transmission gear group input terminal the second crankshaft and
Connect the second connecting rod of the second crankshaft and the lever；Limit is also arranged on the first connecting rod and the second connecting rod
Cylinder.
Preferably, the power input structure include include driving device, the wheel for inputting that is bonded in the driving device
And first turntable, the lever are flexibly connected with the wheel for inputting by first turntable；The power take-off mechanism packet
It includes parameter case, be keyed the output wheel and the second turntable in the input terminal of the transmission gear group, the lever passes through second
Turntable is flexibly connected with the output wheel.
Preferably, the first balladeur train for further including the first cylinder body and being arranged on first inboard wall of cylinder block, the fulcrum
Being fixedly installed on limit sleeve can movable first fixed link in first balladeur train；It is also provided on the output wheel
One radius limiting slot extended to output wheel center, the length of the radius limiting slot are equal to the radius of the output wheel, institute
The setting of the second wheel disc sliding is stated in the annular spacing groove.
Preferably, the power input mechanism include include driving device, the fixed frame that is bonded in the driving device
And sliding slot, one end of the lever are fixedly connected in the fixed frame, the other end is movable to be arranged in the sliding slot, described
The one end of sliding slot far from the lever is also fixedly connected with an output end, and one end of the output end is also sequentially connected with speed change
Gear set.
It preferably, further include the second cylinder body, and the second balladeur train being arranged on second inboard wall of cylinder block, the fulcrum
Second fixed link that can be slided in second balladeur train is fixedly installed on limit sleeve.
Preferably, the driving device is any one in motor or engine.
The beneficial effects of the present invention are: transmission belt is replaced using lever, collocation transmission gear group realizes electrodeless variable-speed；?
Electrodeless variable-speed can be realized, compared to transmission belt, lever can bear bigger load, not allow by the fulcrum of change lever
It is easy to damage.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the lever stepless speed change structure that embodiment 1 provides；
Fig. 2 is the structural schematic diagram for the lever stepless speed change structure that embodiment 2 provides；
Fig. 3 is the structural schematic diagram for the lever stepless speed change structure that embodiment 3 provides.
Description of symbols:
1- lever, 2- fulcrum limit sleeve, 3- output shaft, the first crankshaft of 4-, 5- first connecting rod, 6- input terminal, 7- second are bent
Axis, 8- second connecting rod, 9- position-limiting drum, 10- wheel for inputting, the first turntable of 11-, 12- output wheel, the second turntable of 13-, the first cylinder of 14-
Body, the first balladeur train of 15-, the first fixed link of 16-, 17- radius limiting slot, 18- fixed frame, 19- sliding slot, 20- output end, 21-
Two cylinder bodies, the second balladeur train of 22-, the second fixed link of 23-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figure 1, lever stepless speed change structure, including lever 1 and fulcrum limit sleeve 2, fulcrum limit sleeve 2 is for determining
The fulcrum of lever 1, wherein one end of lever 1 are sequentially connected with power input mechanism, and the other end transmission connection of lever 1 is dynamic
Output mechanism；Power input mechanism includes driving device 3, the first crankshaft 4 being bonded in the driving device 3 and the first company
Bar 5, wherein one end of first connecting rod 5 are fixed on the first crankshaft 3, and the other end of first connecting rod 5 is fixedly connected with lever 1；It is dynamic
Power output mechanism include transmission gear group, be bonded in transmission gear group input terminal 6 the second crankshaft 7 and connection the second crankshaft
7 and the lever 1 second connecting rod 8；Position-limiting drum 9, first connecting rod 4 and are also arranged on first connecting rod 4 and second connecting rod 8
Two connecting rods 8 only move back and forth in position-limiting drum 9.
Principle of Process is as follows: power transmission to the first crankshaft 4 is driven first connecting rod 5 that lever 1 is driven to exist by driving device 3
It moves reciprocatingly in position-limiting drum 9, power is transmitted to the second crankshaft 7 through second connecting rod 8 by the other end of lever 1, through transmission gear
Power output is realized after group speed change.
Embodiment 2
As shown in Fig. 2, lever stepless speed change structure, including lever 1 and fulcrum limit sleeve 2, wherein one end transmission of lever 1
It is connected with power input mechanism, the other end of lever 1 is sequentially connected with power take-off mechanism；Power input structure includes including driving
Dynamic device 3, the wheel for inputting 10 and the first turntable 11 being bonded in the driving device 3, lever 1 and wheel for inputting 10 pass through first
Turntable 11 is flexibly connected；Power take-off mechanism include transmission gear group, key connection transmission gear group input terminal 6 output wheel
12 and second turntable 13, lever 1 be flexibly connected by the second turntable 13 with output wheel 12.
In another embodiment, the first balladeur train for further including the first cylinder body 14 and being arranged on 14 inner wall of the first cylinder body
15, being fixedly installed on fulcrum limit sleeve 2 can movable first fixed link 16 in the first balladeur train 15；On output wheel 12 also
The radius limiting slot 17 extended to 12 center of output wheel is offered, the length of radius limiting slot 17 is equal to the half of output wheel 12
Diameter, the setting of the second wheel disc 13 sliding is in radius limiting slot 17.
Principle of Process is as follows: power transmission to wheel for inputting 10 is driven the first turntable 11 that lever 1 is driven to do by driving device 3
It moves back and forth, power is transmitted to output wheel 7 through the second wheel disc 8 by the other end of lever 1, is realized after transmission gear group speed change dynamic
Power output；It can also be moved left and right by mobile first fixed link 16 with activity supporting point limit sleeve 2, and then change the fulcrum of lever 1
Speed change is realized in position.
Embodiment 3
As shown in figure 3, lever stepless speed change structure, including lever 1 and fulcrum limit sleeve 2, wherein one end transmission of lever 1
It is connected with power input mechanism, the other end of lever 1 is sequentially connected with power take-off mechanism；Power input mechanism packet includes driving
Device 3, the fixed frame 18 being bonded in driving device 3 and sliding slot 19, one end of lever 1 are fixedly connected in fixed frame 18, separately
One end is movable to be arranged in sliding slot 19, and lever 1 can be set to more, be each attached on fixed frame 18, and sliding slot 19 is far from thick stick
One end of bar is also fixedly connected with an output end 20, and one end of output end 20 is also sequentially connected with transmission gear group.
In another embodiment, further include the second cylinder body 21, the second balladeur train 22 is fixedly installed in the second cylinder body 21, prop up
It is fixedly installed second fixed link 23 that can be slided in the second balladeur train 22 on point limit sleeve 2, the second fixed link 23 exists
Sliding in second balladeur train 22 realizes speed change to moved left and right with activity supporting point limit sleeve 2 to change the position of the fulcrum of lever.
Principle of Process is as follows: driving device 3 drives fixed frame 18 to rotate, and then lever 1 is driven to move reciprocatingly, through fixation
Output end 20 in 19 end of sliding slot carries out power output, and speed change output is realized after transmission gear group speed change；In the process,
Also by mobile second fixed link 23, change the fulcrum of lever 1, realizes the velocity transformation between input terminal and output end.
The present invention replaces transmission belt using lever, and collocation transmission gear group realizes electrodeless variable-speed；It can also be by changing thick stick
The fulcrum of bar realizes electrodeless variable-speed, and compared to transmission belt, lever can bear bigger load, it is not easy to damage.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (7)
1. lever stepless speed change structure, which is characterized in that including lever and fulcrum limit sleeve, wherein one end of the lever is driven
It is connected with power input mechanism, the other end of the lever is sequentially connected with power take-off mechanism.
2. lever stepless speed change structure as described in claim 1, which is characterized in that the power input mechanism includes driving dress
The first crankshaft and first connecting rod set, being bonded in the driving device, wherein one end of the first connecting rod are fixed on institute
It states on the first crankshaft, the other end is fixedly connected with lever；The power take-off mechanism includes transmission gear group, is bonded in the change
Second crankshaft of the input terminal of fast gear set and the second connecting rod for connecting the second crankshaft and the lever；The first connecting rod with
And position-limiting drum is also arranged on the second connecting rod.
3. lever stepless speed change structure as described in claim 1, which is characterized in that the power input structure includes including driving
Dynamic device, the wheel for inputting and the first turntable being bonded in the driving device, the lever and the wheel for inputting pass through described
First turntable is flexibly connected；The power take-off mechanism include gearbox, key connection the transmission gear group input terminal
Output wheel and the second turntable, the lever are flexibly connected by the second turntable with the output wheel.
4. lever stepless speed change structure as claimed in claim 3, which is characterized in that further include the first cylinder body and setting in institute
The first balladeur train on the first inboard wall of cylinder block is stated, being fixedly installed on the fulcrum limit sleeve can a work in first balladeur train
The first dynamic fixed link；The radius limiting slot extended to output wheel center, the radius are also provided on the output wheel
The length of limiting slot is equal to the radius of the output wheel, and the setting of the second wheel disc sliding is in the annular spacing groove.
5. lever stepless speed change structure as described in claim 1, which is characterized in that the power input mechanism includes including driving
Dynamic device, the fixed frame and sliding slot being bonded in the driving device, one end of the lever is in the fixed company of the fixed frame
Connect, the other end it is movable be arranged in the sliding slot, the one end of the sliding slot far from the lever be also fixedly connected with one it is defeated
Outlet, one end of the output end are also sequentially connected with transmission gear group.
6. lever stepless speed change structure as claimed in claim 5, which is characterized in that further include the second cylinder body, and setting exists
The second balladeur train on second inboard wall of cylinder block, being fixedly installed one on the fulcrum limit sleeve can be in second balladeur train
Second fixed link of interior sliding.
7. lever stepless speed change structure as described in claim 1, which is characterized in that the driving device is motor or starts
Any one in machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910319012.3A CN109915568A (en) | 2019-04-19 | 2019-04-19 | Lever stepless speed change structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910319012.3A CN109915568A (en) | 2019-04-19 | 2019-04-19 | Lever stepless speed change structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109915568A true CN109915568A (en) | 2019-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910319012.3A Pending CN109915568A (en) | 2019-04-19 | 2019-04-19 | Lever stepless speed change structure |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994807A (en) * | 2009-08-17 | 2011-03-30 | 李玄 | Lever type dynamic output device |
| CN201909001U (en) * | 2010-12-14 | 2011-07-27 | 曹臻 | Stepless speed change device |
| CN106763625A (en) * | 2016-12-31 | 2017-05-31 | 天津升起科技有限公司 | A kind of lever type variable-speed regulator |
-
2019
- 2019-04-19 CN CN201910319012.3A patent/CN109915568A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994807A (en) * | 2009-08-17 | 2011-03-30 | 李玄 | Lever type dynamic output device |
| CN201909001U (en) * | 2010-12-14 | 2011-07-27 | 曹臻 | Stepless speed change device |
| CN106763625A (en) * | 2016-12-31 | 2017-05-31 | 天津升起科技有限公司 | A kind of lever type variable-speed regulator |
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Application publication date: 20190621 |
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| RJ01 | Rejection of invention patent application after publication |