CN211364832U - Novel high-efficiency bicycle driving device - Google Patents
Novel high-efficiency bicycle driving device Download PDFInfo
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- CN211364832U CN211364832U CN201821763079.3U CN201821763079U CN211364832U CN 211364832 U CN211364832 U CN 211364832U CN 201821763079 U CN201821763079 U CN 201821763079U CN 211364832 U CN211364832 U CN 211364832U
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- reversing
- driving
- chain wheel
- chain
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Abstract
The utility model relates to a novel high efficiency bicycle drive device, by two big driving sprocket and meshed drive chain, two switching-over sprockets and meshed switching-over chain, in addition two meshed switching-over gear and with driving sprocket and switching-over sprocket or the one-way bearing that the switching-over gear cooperation was used, still one manual continuously variable transmission, running-board and assembly pulley, the slide of connecting on the driving chain constitute a novel high efficiency bicycle drive device together, are favorable to developing the green network construction of going on a journey in the big city.
Description
Technical Field
The utility model relates to a novel high efficiency bicycle drive device can increase substantially the mechanical efficiency of the pedal crank mechanism of traditional bicycle for the bicycle is more convenient people's of going on a journey, promotes green traffic construction.
Background
Traditional bicycle is all with pedal crank mechanism to do circular motion and moves ahead through chain drive, because there is the dead point problem of motion in traditional pedal crank mechanism and the people's of riding direction of exerting oneself, so the people mechanical efficiency is not high when the bicycle of riding, causes the physical waste great, has just also restricted the distance of riding of bicycle, is unfavorable for the green trip of bigger development.
Disclosure of Invention
The utility model provides a novel high efficiency bicycle drive device can improve the mechanical efficiency of traditional bicycle 20% more to the durable cost of simple structure is also not high, especially is fit for the operation of sharing bicycle, can extend the convenient traffic range of traffic networks such as sharing bicycle and subway more greatly, is favorable to developing the green network construction of going on a journey in the expansion city.
The technical solution of the utility model is that:
the novel high-efficiency bicycle driving device is formed by two large driving chain wheels, engaged driving chains, two reversing chain wheels, engaged reversing chains, two engaged reversing gears, one-way bearings (overrunning clutches) matched with the driving chain wheels and the reversing chain wheels or the reversing gears, a manual stepless speed changer, pedals, pulley blocks and slideways connected to the driving chains, wherein the driving chain wheels, the chains, the pedal pulley blocks and the slideways connected with the driving chains form a pedal reciprocating driving main part, one large driving chain wheel drives an output shaft to rotate forwards through the one-way bearing, one large driving chain wheel is axially connected with one reversing gear, one small reversing chain wheel is axially connected with the other reversing gear, the two reversing gears are engaged together, and one large driving chain wheel, one small driving chain wheel, the other small driving chain wheel and the one reversing chain wheel are arranged on the driving output shaft through the one-way bearings, the small reversing chain wheel drives the output shaft to rotate forwards through another one-way bearing, the two large driving chain wheels are the same chain wheel, the two small reversing chain wheels are also the same chain wheel, the two meshed reversing gears are also the same gear, the manual stepless speed changer of the device is formed by two belt pulley minor surfaces capable of moving axially, two spiral guide rods, a pressure bearing and a plurality of synchronous speed change driving gears meshed together, the power output shaft can be provided with the output chain wheel, and can also be provided with a shaft transmission device. By two belt pulley minor faces and two spiral guide arms that can axial displacement, pressure bearing, the synchronous variable speed drive gear that the several meshing is linked together constitutes device's manual buncher, further improve transmission efficiency, enlarge the distance of riding, because the direction of power all is converted into the best arm of force contained angle that keeps 90 degrees with drive gear's the arm of force by this drive arrangement when riding the people and stepping on the running-board from top to bottom, the problem that traditional bicycle arm of force motion dead point and transmission efficiency are lower has thoroughly been eliminated, so this novel high-efficient bicycle drive arrangement just can make the bicycle ride more laborsavingly, preliminary calculation can improve mechanical efficiency more than 21.5%, if cooperate manual buncher again just can ride farther distance more high-efficiently laborsavingly, it parallelly connected can constitute many people's bicycle system to ride drive arrangement.
Drawings
FIG. 1 is a schematic diagram of the basic structure of the present invention during positive half cycle driving.
FIG. 2 is a schematic diagram of the basic structure of the present invention during reverse half-cycle driving.
Fig. 3 is a schematic side sectional basic structure of the present invention.
FIG. 4 is a side schematic view of the loaded manual continuously variable transmission of the present invention.
Fig. 5 is a schematic view of an assembly structure of the manual continuously variable transmission of the present invention.
Fig. 6 is a schematic diagram of the complete structure of the manual continuously variable transmission of the present invention.
In fig. 1, 2, 3, 4, 5: 1. 16, a large driving chain wheel, 2, 18, a reversing gear, 3, 8, a reversing chain wheel, 4, a driving chain, 5, 14, a pedal slideway, 6, 13, a pedal pulley block, 7, 12, a pedal, 9, an output shaft, 10, a large chain wheel shaft, 11, a reversing chain wheel shaft, 15, a reversing chain, 17, a one-way bearing (overrunning clutch), 19, an output chain wheel, 20, a speed-changing belt pulley secondary surface, 21, a pressure bearing, 22, a speed-changing driving screw rod, 23, a speed-changing driving gear set, 24, a speed-changing driving wheel, 25, a speed-changing gear, 26, a speed-changing belt, 27, a speed-changing driving wheel, 28, a speed-changing driven wheel, 29, a reversing gear upper shaft, 30 and a reversing gear.
The specific implementation mode is as follows:
the first embodiment is as follows:
referring to fig. 1, 2 and 3, the pedal reciprocating driving main part is composed of two large driving sprockets 1 and 16, a large meshed circumferential chain 4, two reversing sprockets 3 and 8, a reversed chain 15, two reversed gears 2 and 18, a one-way bearing (overrunning clutch) 17 matched with the driving sprockets 1 and 16, the reversed sprockets 3 and 8 or the reversed gear 18, pedals, pulley blocks 6 and 13 connected to the large circumferential chain 4, and slideways 5 and 14, wherein the upper large driving sprocket 1 is directly connected with the reversed gear 2 in the axial direction, the lower driving sprocket 16 and the reversed sprocket 8 are both arranged on a driving output shaft 9 through the one-way bearing 17 (two are respectively), when the two large driving sprockets 1 and 16 rotate in the forward direction, the large driving sprocket 16 drives the output shaft 9 to rotate in the forward direction through the one-way bearing 17, when the two large driving chain wheels 1 and 16 rotate reversely, the meshed reversing gears 2 and 18 drive the reversing chain wheel 3 to rotate forwards, and then drive the reversing chain wheel 8 to drive the output shaft 9 to rotate forwards through the one-way bearing 17, so that the driving shaft 9 rotates forwards continuously to drive the bicycle to run.
The second embodiment is as follows:
referring to fig. 4, 5 and 6, a manual stepless speed changer of the device is composed of two belt pulley secondary surfaces 20 capable of moving axially, two spiral screws 22 of a speed-changing belt 26, a pressure bearing 21, a plurality of synchronous speed-changing driving gears 23 and speed-changing driving wheels 24 which are meshed together, a speed-changing driving wheel 27, a speed-changing driven wheel 28 and a one-way bearing 17, when the device is combined with the built-in manual stepless speed changer, an upper large driving chain wheel 1 is directly connected with a reversing gear 2 in the axial direction, the reversing gear 18 meshed with the reversing gear 2 is connected with a reversing chain wheel 3 through the one-way bearing 17, a lower large driving chain wheel 16 is axially connected with a reversing chain wheel 8 through the (the other) one-way bearing 17, an output shaft 9 is connected with a main shaft of the lower large driving chain wheel 16 in a bearing nesting sliding mode, the upper reversing chain wheel 3 is connected with a lower reversing chain wheel 8 through, when the two large driving chain wheels 1 and 16 rotate forwards, the lower large driving chain wheel 16 drives the reversing chain wheel 3 through the reversing chain wheel 8 and the reversing chain 15, and drives the speed change driving wheel 27 and the speed change driven wheel 28 through the one-way bearing 17 to drive the output shaft 9 to rotate forwards so as to drive the bicycle to run; when the two large driving sprockets 1 and 16 rotate reversely, the reversing gear 2 directly connected with the large driving sprocket 1 drives the speed-changing driving wheel 27 and the speed-changing driven wheel 28 through the reversing gear 18 meshed with the large driving sprocket and the one-way bearing 17, and drives the output shaft 9 to rotate forwards to drive the bicycle to run.
In two embodiments, the multipurpose conversion of chain and shaft transmission can be realized by changing the mode of the crossbar device of the driving device, two large driving chain wheels 1 and 16 are the same chain wheels, two reversing chain wheels 3 and 8 are also the same chain wheels, and two meshed reversing gears 2 and 18 are also the same gears, so that the balance of the driving forces of two pedals is formed, and the manufacturing cost is also reduced.
Claims (6)
1. The utility model provides a novel high efficiency bicycle drive device which characterized by: the novel high-efficiency bicycle driving device is formed by two large driving chain wheels, a meshed driving chain, two reversing chain wheels, a meshed reversing chain, two meshed reversing gears, a one-way bearing matched with the driving chain wheels, the reversing chain wheels or the reversing gears, a manual stepless speed changer, a pedal plate, a pulley block and a slide way which are connected onto the driving chain.
2. A new high efficiency bicycle drive unit as defined in claim 1, wherein: the driving chain wheel, the chain, the pedal pulley block connected with the driving chain wheel and the chain and the slideway form a main pedal reciprocating driving part, and one large driving chain wheel drives the output shaft to rotate forwards through a one-way bearing.
3. A new high efficiency bicycle drive unit as defined in claim 1, wherein: a big driving chain wheel is axially connected with a reversing gear, a small reversing chain wheel is axially connected with another reversing gear, the two reversing gears are meshed together, a big driving chain wheel, a small driving chain wheel and a reversing chain wheel are arranged on a driving output shaft through one-way bearings, and the small reversing chain wheel drives the output shaft to rotate forwards through another one-way bearing.
4. A new high efficiency bicycle drive unit as defined in claim 1, wherein: the two large driving chain wheels are the same chain wheel, the two reversing small chain wheels are also the same chain wheel, and the two meshed reversing gears are also the same gear.
5. A new high efficiency bicycle drive unit as defined in claim 1, wherein: the manual stepless speed variator of the device consists of two axially movable belt pulley minor surfaces, two spiral guide rods, a pressure bearing and a plurality of synchronous speed-changing driving gears which are meshed and connected together.
6. A new high efficiency bicycle drive unit as defined in claim 1, wherein: the power take-off shaft may mount a shaft transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821763079.3U CN211364832U (en) | 2018-10-23 | 2018-10-23 | Novel high-efficiency bicycle driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821763079.3U CN211364832U (en) | 2018-10-23 | 2018-10-23 | Novel high-efficiency bicycle driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211364832U true CN211364832U (en) | 2020-08-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821763079.3U Active CN211364832U (en) | 2018-10-23 | 2018-10-23 | Novel high-efficiency bicycle driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211364832U (en) |
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2018
- 2018-10-23 CN CN201821763079.3U patent/CN211364832U/en active Active
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