CN2803915Y - Stelpless gear of bicycle - Google Patents
Stelpless gear of bicycle Download PDFInfo
- Publication number
- CN2803915Y CN2803915Y CN 200520073918 CN200520073918U CN2803915Y CN 2803915 Y CN2803915 Y CN 2803915Y CN 200520073918 CN200520073918 CN 200520073918 CN 200520073918 U CN200520073918 U CN 200520073918U CN 2803915 Y CN2803915 Y CN 2803915Y
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- piston
- cylinder
- speed
- shaft
- cylinder barrel
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Abstract
The utility model relates to a speed variator, particularly a stelpless speed variator of bicycles. The utility model has the technical scheme that the speed variator comprises a hydraulic control mechanism, a shell, a drive shaft, a driven shaft, cylinders, pistons, a rotor, a V-shaped driving belt, and a driving wheel and a driven wheel which can be composed of a movable plate and a fixed plate, wherein both ends of the drive shaft and the driven shaft are supported on the shell. The fixed plate of the driving wheel and the fixed plate of the driven wheel are respectively fixed on a driving shaft and a driven shaft, the driving shaft at the driving wheel fixed plate side and the driven shaft at the driven wheel fixed plate side are respectively sheathed with in a cylinder. The cylinder is provided with two pistons which are radically arranged, the cylinder is sheathed with the movable plate and the hydraulic control mechanism is connected with the cylinders via pipelines. The utility model has the advantages of continuous speed variation and no impact in speed changing, the utility model can attain any speed in a certain range, so riders can attain the optimum speed and the bicycle can also stably run with large speed difference changing in riding.
Description
Technical field:
The utility model relates to change-speed box, especially relates to a kind of bicycle toric transmission.
Background technology:
At present the speed-changing mechanism of bicycle is modal outer speed-changing mechanism and internal speed-changing mechanism two big classes.Outer speed-changing mechanism is made up of multistage flywheel and multi-chain gear wheel, stirs chain by group chain device and makes itself and different sprocket wheels and different flywheels, to obtain different transmitting ratios.Internal speed-changing is that one group of planetary wheel is installed in the rear axle of bicycle, obtains different transmitting ratios by changing gear meshing.The defective that these two kinds of speed-changing mechanisms exist is that speed setting is segmentation, discontinuous.
The utility model content:
The purpose of this utility model provide a kind of be useful for bicycle can realize speed continually varying bicycle toric transmission.
The purpose of this utility model realizes by following technical solution:
Comprise hydraulic control, housing, imput shaft, driven shaft, cylinder barrel, piston, rotor, V-type driving band and driving wheel and the flower wheel formed by movable disc and fixed disc, described imput shaft, the two supports of driven shaft is on housing, the fixed disc of driving wheel and the fixed disc of flower wheel are separately fixed on imput shaft and the driven shaft, on the driven shaft of the imput shaft of driving wheel fixed disc one side and flower wheel fixed disc one side, be socketed with cylinder barrel respectively, cylinder barrel is built-in with mirror to the two-piston of placing, cylinder barrel and movable plate socket, hydraulic control is connected with cylinder barrel by pipeline.
Described fixed disc and movable disc are taper type.
Described cylinder barrel is circular cylinder, by two annular arrangement dividing plates it is divided into two oil pockets in the described cylinder, and described piston places respectively in two oil pockets, is equipped with oil nozzle respectively on described two dividing plates.
Described hydraulic control is made up of two oil cylinders, two-piston, connecting rod and joystick, the placement of existing side by side of described two oil cylinder disjunctors, two-piston are placed in described two oil cylinders, and the middle part of connecting rod is articulated in oil cylinder, slip with piston respectively its both sides, and an end of connecting rod and an end of joystick are hinged.
The beneficial effects of the utility model are: 1) velocity variations is continuous, can obtain arbitrary speed within the specific limits, makes the bicyclist can obtain the best speed of a motor vehicle; 2) do not impact during speed change, car is advanced steady in the same old way when carrying out the speed change of big velocity contrast when carrying out in riding.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 is the structural representation of fixed disc and movable disc on the driven wheel
Fig. 3 is the structural representation of hydraulic control
Among the figure, the 1st, housing, the 2nd, fixed disc, the 3rd, V-belt, the 4th, movable disc, the 5th, driving wheel, the 6th, imput shaft, 7,7 ' be pipeline, the 8th, hydraulic control, 9,9 ', 15,15 ' be piston, the 10th, pin, the 11st, connecting rod, the 12nd, joystick, the 13rd, flower wheel, the 16th, cylinder body, the 17th, spacer block, 18,18 ' be oil cylinder, the 19th, waist shaped hole, 20,20 ' be cylinder barrel, the 21st, driven shaft.
The specific embodiment
Contrast Fig. 1, the two supports of imput shaft 6, driven shaft 21 is on housing 1, the fixed disc 2 of driving wheel and the fixed disc 4 of flower wheel are separately fixed on imput shaft 6 and the driven shaft 21, on the driven shaft of imput shaft on fixed disc 2 one sides of driving wheel 5 and flower wheel fixed disc one side, be socketed with respectively cylinder barrel 20,20 ', cylinder barrel is the annular arrangement cylinder, by two circular dividing plates 17 it is divided into two oil pockets, two-piston places respectively in two oil pockets, and two-piston is mirror to placement.Be equipped with oil nozzle on two dividing plates respectively, with by the oil cylinder 18,18 in pipeline and the hydraulic control 8 ' be connected.
The joystick 12 in the hydraulic control 8 and the power transmission wire joint of the preceding handle of bicycle, the power transmission line passes to power on its middle part and the cylinder body 16 middle part pivotally attached connecting rods 11 by joystick 12, connecting rod 11 is rotated around its hinge-point, cylinder body 16 is built-in with the oil cylinder 18 that two disjunctors are laterally also arranged, 18 ', respectively be equipped with a piston 9 in two oil cylinders, 9 ', piston 9,9 ' upside respectively connect one the pin 10, the both sides of connecting rod 11 are respectively equipped with waist shaped hole 19, pin 10 slips in the waist shaped hole 19, when connecting rod 11 rotates, thereby pin 10 rotates the crank motion that drives the disjunctor piston with 15 connecting rods 11 when the waist shaped hole on connecting rod 11 slides, see also Fig. 3.
Contrast Fig. 2, under the effect of connecting rod 11, piston 9 upward movements, piston 9 ' then move downward.The fluid that the piston 9 of upward movement promotes in the oil cylinder 18 makes its 7 cylinder barrels 20 that flow on the driving wheel by the road, promoting piston 15 moves forward, until the end that is against fixed disc 2, because of movable disc 4 can and rotate relative to cylinder barrel 17 slips, so when promotion piston 15 moved forward, movable disc 4 moved backward, make fixed disc and the movably spacing increase of disc, the contact position of V-shape belt and fixed disc and the formed V-slot of movable disc is moved down, and the radius of gyration reduces.Meanwhile, fluid in the piston 9 that moves downward ' the make cylinder barrel 17 on the movable disc of flower wheel by the road 7 ' flow in the oil cylinder 18, move piston 15 ' back, the same reason is because of movable disc 4 can and rotate relative to cylinder barrel 17 slips, so when promotion piston 15 is mobile backward, the movable disc 4 of flower wheel moves forward, the fixed disc and the spacing of movable disc are reduced, make on the contact position of V-shape belt and fixed disc and the formed V-slot of movable disc and move radius of gyration increase.By changing the radius of gyration of driven wheel, the transmitting ratio of regulating driven wheel reaches the purpose of electrodeless variable-speed like this.When the piston 15,15 of cylinder barrel 20,20 ' one sides ' protruding, the piston of opposite side then shrinks inwards, thus the total length of cylinder barrel do not change, can be, and produce movement interference because of not the stretching out of piston.
Claims (4)
1, the bicycle toric transmission, it is characterized in that comprising hydraulic control, housing, imput shaft, driven shaft, cylinder barrel, piston, rotor, V-type driving band and driving wheel and the flower wheel formed by movable disc and fixed disc, described imput shaft, the two supports of driven shaft is on housing, the fixed disc of driving wheel and the fixed disc of flower wheel are separately fixed on imput shaft and the driven shaft, on the driven shaft of the imput shaft of driving wheel fixed disc one side and flower wheel fixed disc one side, be socketed with cylinder barrel respectively, cylinder barrel is built-in with mirror to the two-piston of placing, cylinder barrel and movable disc socket, hydraulic control is connected with cylinder barrel by pipeline.
2, bicycle toric transmission according to claim 1 is characterized in that described fixed disc and movable disc are taper type.
3, bicycle toric transmission according to claim 1, it is characterized in that described cylinder barrel is circular cylinder, by two annular arrangement dividing plates it is divided into two oil pockets in the described cylinder, described piston places respectively in two oil pockets, is equipped with oil nozzle respectively on described two dividing plates.
4, bicycle toric transmission according to claim 1, it is characterized in that described hydraulic control is made up of oil cylinder, piston, connecting rod and joystick, described is the placements of existing side by side of two disjunctors, two-piston is placed in described two oil cylinders, the middle part of connecting rod is articulated in oil cylinder, slip with piston respectively its both sides, and an end of connecting rod and an end of joystick are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520073918 CN2803915Y (en) | 2005-07-26 | 2005-07-26 | Stelpless gear of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520073918 CN2803915Y (en) | 2005-07-26 | 2005-07-26 | Stelpless gear of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2803915Y true CN2803915Y (en) | 2006-08-09 |
Family
ID=36909213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520073918 Expired - Fee Related CN2803915Y (en) | 2005-07-26 | 2005-07-26 | Stelpless gear of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2803915Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108622299A (en) * | 2018-05-31 | 2018-10-09 | 湖州职业技术学院 | A kind of trailing wheel stabilising arrangement of bicycle |
-
2005
- 2005-07-26 CN CN 200520073918 patent/CN2803915Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108622299A (en) * | 2018-05-31 | 2018-10-09 | 湖州职业技术学院 | A kind of trailing wheel stabilising arrangement of bicycle |
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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 |