CN201116155Y - Stepless speed changing bicycle - Google Patents
Stepless speed changing bicycle Download PDFInfo
- Publication number
- CN201116155Y CN201116155Y CNU2007200584709U CN200720058470U CN201116155Y CN 201116155 Y CN201116155 Y CN 201116155Y CN U2007200584709 U CNU2007200584709 U CN U2007200584709U CN 200720058470 U CN200720058470 U CN 200720058470U CN 201116155 Y CN201116155 Y CN 201116155Y
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- China
- Prior art keywords
- bicycle
- rope device
- speed change
- stepless speed
- pendulum rope
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Abstract
The utility model relates to a stepless speed change bicycle, comprising a bicycle frame, wheels, pedals, chain disks and a transmission chain arranged on the chain disks. The back wheel of the bicycle is provided with a centrifugal disk, a cone-shaped toothed flywheel and a hollow axle. The centrifugal disk is fixed at one side of the back wheel, and the bicycle frame is provided with a cable swinger which is positioned between the back wheel and the pedals and connected with the centrifugal disk into an integer through an inhaul cable penetrating the hollow axle. One side of the bicycle handles is provided with a speed controller which controls the speed of the bicycle and is connected with the cable swinger through the inhaul cable. The bicycle is simple in structure and can achieve stepless speed change, and the speed change has slow transition.
Description
Technical field
The utility model relates to a kind of bicycle with stepless speed change, belongs to the bicycle field.
Background technology
Existing variable speed bicycle, kind is many, commonly used has two kinds, a kind of is to dial chain transmission system bicycle, transmission system is made up of the different driving and driven gear stack of several numbers of teeth, the speed change pull bar is dialled the chain device by the shift cable pulling during speed change, and chain is dialled to realizing speed change with the incompatible change transmitting ratio of the sprocket of the different numbers of teeth.In use because ordinary wear and tear, the pitch of chain increases, and often the sprocket that uses is allocated to chain in the sprocket wheel that does not often use apart from increase thereupon this moment again, because chain pitch and sprocket are jumped chain, taken off the chain phenomenon apart from inconsistent appearance, can't use when serious to cause scrapping during use; Because it is more to dial chain type speed change cone pulley sheet number, the gap is less mutually, chain design is narrower, more very fast than common chain wear, shortened service life more, dial the chain speed change and occur the chain jamming phenomenon easily, even connect and dial the chain device and together block badly, chain and sprocket wheel produce the side direction distortion and rub mutually seriously with sprocket wheel and influence the life-span.Another kind is the change gear transmission bicycle, transmission system realizes that by the gear transmission principle speed change, this device have simple in structure and need not use the advantage of chain tension adjusting device, and the speed change gear is limited, and each grade speed of building increases suddenly when speed change, and traveling comfort by bike is poor.
Shortcoming at above-mentioned transmission system bicycle, the patent No. is 98215379.1 to disclose a kind of bicycle toric transmission, it and rear axle relatively rotate, an end and the flywheel other end and press roll are fixed, the input axle sleeve of drive wheel is equipped with in the centre, shell is fixing with the output circle, one group of water chestnut awl is installed on the water chestnut awl support, its outside is provided with outer shroud, steel ball V-shaped groove formula pressure device is set respectively between press roll and drive wheel, outer shroud and output circle, makes drive wheel, water chestnut awl, outer shroud produce friction and form defeated people's output movement.Be provided with steel ball at the plug helix of water chestnut awl support and the asking of radial hole of speed governing cover, when pulling speed governing line, the speed governing cover rotates, and water chestnut awl support is moved axially, and the working diameter of water chestnut awl both sides cone changes, thereby realizes infinite speed variation.The shortcoming of several derailleurs before though this transmission system has overcome, this transmission system complex structure, the feasible bicycle structure complexity that this transmission system is installed, productive costs height.
Summary of the invention
The utility model purpose is to provide a kind of bicycle with stepless speed change, have simple in structure, can realize that stepless change, speed change transition are mild, feel comfortable advantage.
To achieve these goals, the utility model structure comprises bicycle rack, wheel, stretcher, chain drum and is installed in driving chain on the chain drum, centrifugal wheel disc, taper sawtooth flywheel and hollow axletree are installed on the bicycle rear wheel, and centrifugal wheel disc is fixed on rear wheel one side; Pendulum rope device is installed on the vehicle frame, and pendulum rope device is between rear wheel and stretcher, and pendulum rope device and centrifugal wheel disc link together with the drag-line that passes the hollow axletree; Bicycle handle one side is equipped with the fast ramping controller of the speed of a motor vehicle of control speed of a motor vehicle speed, and speed of a motor vehicle controller is connected by drag-line with pendulum rope device; This bicycle structure is simple, can realize stepless change, the speed change transition is mild.
As improvement, described centrifugal wheel disc by the slip slide rail, be installed in metal slide block on the slip slide rail, be used for fixing the synchronous steel rope of slide block and second fixed pulley that is located on the two one slide rail both sides centre portion supports is formed, first fixed pulley on the steel wire penetrating support synchronously; Centrifugal wheel disc is fixed on the rear wheel with the hollow axletree; Can realize the benefit that converter speed ratio changes at any time according to speed of a motor vehicle size voluntarily.
As further improvement, described driving chain is the circular rope of non-metal or metallo-, can be used to drive rear wheel and rotates.
As further improving again, be provided with fixed pulley in the described hollow shaft, the drag-line that connects pendulum rope device and metal slide block is by second fixed pulley in the hollow axletree; Simple in structure, can conveniently realize the change of transmission direction.
As further improving, described drag-line is two again, and two drag-lines are connected on two metal slide blocks; Drag-line can be constantly flexible by second fixed pulley in the hollow axletree according to the change of metal slide position.
As improvement, described pendulum rope device offers aperture, cycle chain links together taper sawtooth flywheel and chain drum by aperture, pendulum rope device both sides are provided with the 3rd fixed pulley that changes the drag-line transmission direction, be provided with between pendulum rope device and the taper sawtooth flywheel and be used for the barrel-shaped fixed pulley of support chains, be beneficial to chain steady in transmission process.
As further improvement, described pendulum rope device is installed in the pendulum rope device chute, is beneficial to put moving of rope.
As further improving, the drag-line that connects between pendulum rope device and the fast ramping controller of the speed of a motor vehicle is provided with extension spring, is beneficial to put the rope device and moves when speed of a motor vehicle controller remains unchanged again.
As improvement, described taper sawtooth flywheel surface is provided with many group toothrows, the toothrow continuous rectangular distribution that passes through, and every toothrow all is zig-zags, described driving chain matches with toothrow, can realize that stepless change, speed change transition are mild.
Improvement as above-mentioned all schemes, on the vehicle frame between bicycle chain drum and the taper sawtooth flywheel, be provided with upper pressure wheel, lower pressure wheel and the pendulum rope device lower pressure wheel of support driving chain, can guarantee the stability of driving chain in transmission process, prevent the chain vibrations even break away from chain drum.
Compared with prior art, the utility model bicycle with stepless speed change have simple in structure, can realize that stepless change, speed change transition are mild, feel comfortable advantage.
Description of drawings
Fig. 1 is a centrifugal wheel disc structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model bicycle with stepless speed change;
Fig. 3 is a pendulum rope device structural representation of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with description of drawings and specific embodiment.
Please refer to Fig. 1 to shown in Figure 3, the utility model bicycle with stepless speed change comprises cycle frame 21, wheel 22, stretcher 23, chain drum 24 and is installed in driving chain 5 on the chain drum 24 that described driving chain 5 is nonmetallic circular rope, certainly, also can be the circular rope of metallo-.Centrifugal wheel disc 1, taper sawtooth flywheel 2 and hollow axletree 9 are installed on the bicycle rear wheel, and centrifugal wheel disc 1 is fixed on rear wheel one side; Pendulum rope device 17 is installed on the vehicle frame 21, and pendulum rope device 17 is between rear wheel and stretcher 23, and the pendulum rope device drag-line 4 that pendulum rope device 17 and centrifugal wheel disc 1 usefulness are passed hollow axletree 9 links together; Bicycle handle one side is equipped with the fast ramping controller 10 of the speed of a motor vehicle of control speed of a motor vehicle speed, and speed of a motor vehicle controller 10 is connected by pendulum rope device drag-line 4 with pendulum rope device 17.Centrifugal wheel disc 1 by slip slide rail 12, be installed in metal slide block 13 on the slip slide rail 12, be used for fixing the synchronous steel rope 14 of slide block and first fixed pulley 11 that is located on the two one slide rail both sides centre portion supports is formed, steel rope 14 passes first fixed pulley 11 on the support synchronously.Two metal slide blocks 13 come closer or separately at action of centrifugal force lower edge slip slide rail 12; being connected the hole 15 that two pendulum rope device drag-lines 4 on two metal slide blocks 13 pass on the hollow axletree 9 moves with metal slide block 13 around second fixed pulley 16; synchronous steel rope 14 is walked around first fixed pulley 11 respectively and is connected on two metal slide blocks 13, and two metal slide blocks 13 are slided synchronously.
Wherein, pendulum rope device 17 offers wears axis hole 27, cycle chain 5 links together taper sawtooth flywheel 2 and chain drum by wearing axis hole 27, pendulum rope device 17 both sides are provided with the 3rd fixed pulley 18 that changes the drag-line transmission direction, are provided with between pendulum rope device 17 and the taper sawtooth flywheel 2 to be used for the barrel-shaped fixed pulley 3 of support chains.The hollow axletree 9 that pendulum rope device drag-line 4 passes in the taper sawtooth flywheel 2 is connected with the metal slide block 13 of the centrifugal wheel disc 1 of bicycle opposite side, the other end is connected on the end of pendulum rope device 17 by the 3rd fixed pulley 18, the other end of pendulum rope device 17 is connected with the fast ramping controller 10 of the bicycle handle bar speed of a motor vehicle on hand by the 3rd fixed pulley 18 with pendulum rope device drag-line 4, be provided with an extension spring 19 at pendulum rope device drag-line 4, pendulum rope device 17 moves the low side that driving chain 5 is positioned at taper sawtooth flywheel 2 when extension spring 19 stretches, and pulling pendulum rope device 17 moves driving chain 5 and is positioned at the high-end of taper sawtooth flywheel 2 when extension spring 19 shrinks.
When bicycle is in static or during lower-speed state, centnifugal force is less, two metal slide blocks 13 in the centrifugal wheel disc 1 are in closure state, under the effect of pendulum rope device extension spring 19, pendulum rope device 17 slides into the other end from an end of pendulum rope device chute 20, the driving chain 5 that is through in the string rope hole of putting rope device 17 is in the high-end of taper sawtooth flywheel 2, and the bicycle shift of this moment is than minimum, and the speed of a motor vehicle is the slowest; When bicycle quickens, the centnifugal force of metal slide block 13 strengthens, when centnifugal force during greater than the pulling force of extension spring 19, metal slide block 13 will outwards move, pendulum rope device drag-line 4 pulling pendulum rope devices 17 move in pendulum rope device chute 20, thereby driving chain is steadily moved to the low side of taper sawtooth flywheel 2 gradually, make bicycle shift than increasing, vice versa.The power that the fast ramping controller 10 of the bicycle handle bar speed of a motor vehicle is on hand regulated extension spring 19 pulling force by pendulum rope device drag-line 4 can artificially be controlled moving of pendulum rope device 17 as required, thus the speed change opportunity of playing artificial control bicycle.
Claims (10)
1, a kind of bicycle with stepless speed change, comprise bicycle rack, wheel, stretcher, chain drum and be installed in driving chain on the chain drum, it is characterized in that: centrifugal wheel disc, taper sawtooth flywheel and hollow axletree are installed on the bicycle rear wheel, and centrifugal wheel disc is fixed on rear wheel one side; Pendulum rope device is installed on the vehicle frame, and pendulum rope device is between rear wheel and stretcher, and pendulum rope device and centrifugal wheel disc link together with the drag-line that passes the hollow axletree; Bicycle handle one side is equipped with the fast ramping controller of the speed of a motor vehicle of control speed of a motor vehicle speed, and speed of a motor vehicle controller is connected by drag-line with pendulum rope device.
2, bicycle with stepless speed change as claimed in claim 1, it is characterized in that: described centrifugal wheel disc by the slip slide rail, be installed in metal slide block on the slip slide rail, be used for fixing the synchronous steel rope of slide block and second fixed pulley that is located on the two one slide rail both sides centre portion supports is formed, first fixed pulley on the steel wire penetrating support synchronously.
3, bicycle with stepless speed change as claimed in claim 2 is characterized in that: described driving chain is the circular rope of non-metal or metallo-.
4, the bicycle with stepless speed change shown in claim 3 is characterized in that: be provided with fixed pulley in the described hollow shaft, the drag-line that connects pendulum rope device and metal slide block is by second fixed pulley in the hollow axletree.
5, the bicycle with stepless speed change shown in claim 4 is characterized in that: described drag-line is two, is connected on two metal slide blocks.
6, bicycle with stepless speed change as claimed in claim 1, it is characterized in that: described pendulum rope device offers aperture, cycle chain links together taper sawtooth flywheel and chain drum by aperture, pendulum rope device both sides are provided with the 3rd fixed pulley that changes the drag-line transmission direction, are provided with between pendulum rope device and the taper sawtooth flywheel to be used for the barrel-shaped fixed pulley of support chains.
7, bicycle with stepless speed change as claimed in claim 6 is characterized in that: described pendulum rope device is installed in the pendulum rope device chute.
8, bicycle with stepless speed change as claimed in claim 7 is characterized in that: the drag-line that connects between pendulum rope device and the fast ramping controller of the speed of a motor vehicle is provided with extension spring.
9, bicycle with stepless speed change as claimed in claim 1, it is characterized in that: described taper sawtooth flywheel surface is provided with many group toothrows, the tooth continuous rectangular distribution that passes through, and every toothrow all is zig-zags, the tooth hole is for semicircle shape, with the bicycle transmission chain of support toroidal.
10, the bicycle with stepless speed change shown in claim 1 to 9 is characterized in that: the upper pressure wheel, lower pressure wheel and the pendulum rope device lower pressure wheel that are provided with the support driving chain on the vehicle frame between bicycle chain drum and the taper sawtooth flywheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200584709U CN201116155Y (en) | 2007-10-19 | 2007-10-19 | Stepless speed changing bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200584709U CN201116155Y (en) | 2007-10-19 | 2007-10-19 | Stepless speed changing bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201116155Y true CN201116155Y (en) | 2008-09-17 |
Family
ID=39990728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200584709U Expired - Fee Related CN201116155Y (en) | 2007-10-19 | 2007-10-19 | Stepless speed changing bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201116155Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381431A (en) * | 2011-08-19 | 2012-03-21 | 浙江科技学院 | Reciprocating-type stepless speed change bicycle |
| CN104527914A (en) * | 2014-12-30 | 2015-04-22 | 吕元胜 | Stepless transmission bicycle applying same |
-
2007
- 2007-10-19 CN CNU2007200584709U patent/CN201116155Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381431A (en) * | 2011-08-19 | 2012-03-21 | 浙江科技学院 | Reciprocating-type stepless speed change bicycle |
| CN104527914A (en) * | 2014-12-30 | 2015-04-22 | 吕元胜 | Stepless transmission bicycle applying same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Termination date: 20101019 |