CN2134349Y - Bicycle having infinitely variable speed - Google Patents
Bicycle having infinitely variable speed Download PDFInfo
- Publication number
- CN2134349Y CN2134349Y CN 92225838 CN92225838U CN2134349Y CN 2134349 Y CN2134349 Y CN 2134349Y CN 92225838 CN92225838 CN 92225838 CN 92225838 U CN92225838 U CN 92225838U CN 2134349 Y CN2134349 Y CN 2134349Y
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- speed
- speed governing
- moving plate
- cam
- bicycle
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Abstract
The utility model relates to a bicycle with the stepless speed regulation, comprising a front fork, a hind fork, a back bending bottom fork and a centre shaft. The power output mechanism is an original power-supply disk, the power is transmitted to a driving disk through a front friction wheel and a rear friction wheel which are arranged on a drive shaft, and the drive shaft is parallel to the surface of the power-supply disk. The travel direction of the drive shaft is guided through a front guiding sleeve, a rear guiding sleeve and the base of the guiding sleeve sheathed on the back bending bottom fork; a speed-regulating amplifying fulcrum is arranged on the front end of the front guiding sleeve, the speed-regulating wire of the stepless speed regulation device arranged on a centre shaft is connected with the short arm of the speed-regulating amplifying fulcrum, and the long arm of the fulcrum is connected with a pressure-regulating ring arranged on one side of the front guiding sleeve. A return spring is arranged between the front guiding sleeve and the pressure-regulating ring, wherein, the stepless speed regulation device is composed of the centre shaft, a cam sleeve, a cam, a speed-regulating shifting fork and the speed-regulating wire. The utility model which has the advantages of simpletechnology and low cost changes the traditional chain transmission and the mode of gear wheel speed regulation.
Description
The utility model relates to a kind of infinite speed variation bicycle, contains front fork, back vent, palintrope chain stay, axis etc.
In the bicycle ocean of great writing brush, various derailleurs pour in like the tidal wave, but people always get used to inertial thinking, be unable to do without chain gear or gear transmission ever-changing end, its mode of speed control all adopts the gear speed governing basically, and the big more then gear of the scope of speed governing is many more, and cost is high more; In addition, chain, easy fracture are easily fallen in chain gear.
The purpose of this utility model is to provide a kind of not need chain gear to use fricting transmissioning mode, infinite speed variation, infinite speed variation bicycle that cost is low for fear of above-mentioned the deficiencies in the prior art part.
The purpose of this utility model can realize by following measure:
A kind of infinite speed variation bicycle.Contain front fork, back vent, palintrope chain stay, axis etc.; The outputting power driver train of bicycle is the former Moving plate that is fixed on the axis, and power is delivered on the rear-guard Moving plate by the transmission shaft of vertical central axis and parallel former Moving plate card; Friction wheel touches mutually with former Moving plate card before an end of transmission shaft is fixed with, and is fixed with the back friction wheel at its other end and touches mutually with rear-guard Moving plate card; The moving direction of transmission shaft can lead by forward and backward orienting sleeve and the orienting sleeve base of fixed cover on the palintrope chain stay that is enclosed within on the transmission shaft, thereby keeps the axial line of transmission shaft parallel with the card of former Moving plate all the time; Regulate forward and backward friction wheel respectively and the pressure between former Moving plate and the rear-guard Moving plate card being respectively equipped with pressure regulating screw on the forward and backward orienting sleeve; Be provided with stepless speed-regulating device on the axis of bicycle, the galianconism on the fulcrum is amplified in speed governing wire joint speed governing on the stepless speed-regulating device, its long-armed be located at before the pressure regulation circle of orienting sleeve one side link, between preceding orienting sleeve and pressure regulation circle, be provided with retracing spring.
The purpose of this utility model also realizes by following measure:
The stepless speed-regulating device of infinite speed variation bicycle is made up of speed governing line, axis, cam cover, needle bearing, shift fork cover, speed governing shift fork, antifriction-bearing box, speed governing stage clip, cam; Its cam cover connect firmly mutually with former Moving plate and fixed cover on axis, cam cover and the cam meshing that is provided with fork slot close; The speed governing shift fork is enclosed within the shift fork cover and with the speed governing line and connects firmly mutually and insert in the fork slot of cam, and the shift fork cover is fixed on the sidewall of bottom bracket axle, and the keyhole that is milled with 18 millimeters long at bottom bracket axle sidewall shift fork cover place is used for moving of speed governing shift fork; The speed governing line is fixed by tightening screw; Be provided with middle hubcap at the two ends of bottom bracket axle, cam puts and is with needle bearing behind end cap; In a side bottom bracket axle of another end cap, be with antifriction-bearing box on the axis; Between cam and antifriction-bearing box, be provided with the speed governing stage clip; The former Moving plate of bicycle and rear-guard Moving plate are smooth circumference and the card of minute protrusions are arranged; Be provided with speed governing and amplify fulcrum to putting at the leading of bicycle, fulcrum long-armed be 2-3 times of galianconism; The range of the cam of stepless speed-regulating device is 11 millimeters, and the maximum compressibility of speed governing stage clip is 10 millimeters; In addition, the speed governing line can be made with the mild steel heart yearn.
The utility model has following advantage compared to existing technology:
1, the utility model adopts the friction wheel transmission, has changed traditional type of drive, and the transmission effect is better, has solved chain, chain breaking problem.
2, the utility model utilizes the axis of bicycle and the space of bottom bracket axle that stepless speed-regulating device is set, and speed governing only needs to get final product according to going into to ride power manually-operated trouble when having avoided the gear speed governing to change wheel.
3, the utility model according to the road surface can be automatically speed governing arbitrarily, simple and convenient.
4, the utility model speed governing is reliable, technology is simple, with low cost.
Concrete structure of the present utility model is provided by the following drawings:
Fig. 1 is a structural representation of the present utility model
Orienting sleeve before the friction wheel 4-before the former Moving plate 3-of 1-front fork 2-
5-pressure regulating screw 6-retracing spring 7-pressure regulation circle 8-transmission shaft
Friction wheel 11-rear-guard Moving plate 12-back vent behind the orienting sleeve 10-behind the 9-
Fulcrum 15-speed governing line 16-axis is amplified in 13-palintrope chain stay 14-speed governing
The 17-stepless speed-regulating device
Fig. 2 is a birds-eye view of the present utility model
Fig. 3 is the structural representation of stepless speed-regulating device
18-cam cover 19(19 ')-middle hubcap 20-needle bearing
21-bottom bracket axle 22-shift fork cover 23-speed governing shift fork
24-tightening screw 25-antifriction-bearing box 26-speed governing stage clip 27-cam
The utility model is also incited somebody to action in conjunction with the accompanying drawings, and 1,2,3 embodiment are described in further detail:
With reference to Fig. 1, the vehicle frame of bicycle, wheel, front fork (1), back vent (12) etc. are all identical with Regular Bicycle, the floral disc wheel that is enclosed within on the axis (16) changes former Moving plate (2) into, and available diameter is that 170 millimeters of φ, thick 4 millimeters steel plate are made, and is processed into minute protrusions on card; It is frictional transmission that its type of drive changes chain gear; The available diameter of its preceding friction wheel (3) is that 45 millimeters of φ, thick 18 millimeters vulcanized rubber are made; Preceding friction wheel (3) is fixed on an end of transmission shaft (8) and touches mutually with former Moving plate (2) card; The available diameter of transmission shaft (8) is that the thin-wall steel tube of 14 millimeters of φ, 380 millimeters of length is made; The other end at transmission shaft (8) is fixed with back friction wheel (10), it touches mutually with rear-guard Moving plate (11) card, it is 60 millimeters of φ, thick 20 millimeters dish that the available vulcanized rubber of back friction wheel (10) is made diameter, and the available diameter of rear-guard Moving plate (11) is that 180 millimeters of φ, thick 3 millimeters sheet steel are pressed into; The moving direction of transmission shaft (8) can be with being enclosed within forward and backward orienting sleeve (4), (9) on the transmission shaft (8) and being enclosed within orienting sleeve base guide on the palintrope chain stay (13), the available diameter of palintrope chain stay (13) is that the round steel pipe of 22 millimeters of φ, 2 millimeters of the wall thickness system of holding forms, and the available diameter of preceding orienting sleeve (4) is that 22 millimeters of φ, thick 2 millimeters, long 30 millimeters round steel pipe are made; The available diameter of back orienting sleeve (9) is that 22 millimeters of φ, thick 2 millimeters, long 40 millimeters round steel pipe are made, and is respectively equipped with the pressure regulating screw (5) of M6 * 15 millimeter on forward and backward orienting sleeve (4) (9); The infinite speed variation of bicycle can amplify the galianconism of fulcrum (14) by speed governing line (15) the pulling speed governing that is located at the stepless speed-regulating device (17) on the bicycle middle shaft (16), the pressure regulation circle (7) that the long-armed drive of fulcrum is fixed on the transmission shaft (8) moves, make its compression reseting spring (6) and preceding orienting sleeve (4), thereby make transmission shaft (8) move forward and backward the purpose that reaches speed governing; Wherein the available mild steel heart yearn of speed governing line (15) is made; It is long-armed that fulcrum (14) is amplified in speed governing is 3 times of galianconism, and the moving direction of long-armed end points is answered parallel drive shaft (8); The available diameter of pressure regulation circle (7) is that 22 millimeters of φ, thick 4 millimeters, long 32 millimeters steel pipe are made; With reference to Fig. 2, the axis (16) of stepless speed-regulating device (17), middle hubcap (19), bottom bracket axle (21) are identical with ordinary bicycle, only go up side arm and be welded with shift fork cover (22), and be milled with length in the relevant position of the shift fork cover (22) of bottom bracket axle (21) be 18 millimeters keyhole at bottom bracket axle (21); Be fixed with cam cover (18) and connect firmly with former Moving plate (2) on axis (3), the diameter of cam cover (18) is 25 millimeters of φ, long 92 millimeters of its end to inclined-plane vertex; Cam cover (18) is meshed with the cam that has fork slot (27), and cam (27) is enclosed within on the axis (16), and the diameter of cam (27) is that 25 millimeters of φ, its range are 11 millimeters; On the cam cover (18) behind the middle hubcap (19), be with needle bearing (20), its model is 4084103, on the axis (16) that another end cap (19 ') of axis is located, be with antifriction-bearing box (25), its model is 103, between cam (27) and antifriction-bearing box (25), speed governing stage clip (26) is housed, when the people is firmly pedaled pedal, cam cover (18) and cam (27) are relatively moved, thereby driving speed governing shift fork (23) moves, speed governing shift fork (23) is enclosed within the shift fork cover (22) and with the speed governing line and connects firmly mutually, and the fastened screw of an end (24) of speed governing line (15) is fixing; Thereby speed governing shift fork (23) moves and promptly to spur speed governing line (15), thereby reaches the speed governing purpose.
Claims (6)
1, a kind of infinite speed variation bicycle contains front fork (1), back vent (12), palintrope chain stay (13), axis (16) etc.; The outputting power driver train that it is characterized in that bicycle is for being fixed on the former Moving plate (2) on the axis (16), and power is delivered on the rear-guard Moving plate (11) by the transmission shaft (8) of vertical central axis (16) and parallel former Moving plate (2) card; Be fixed with preceding friction wheel (3) at an end of transmission shaft (8) and touch mutually, be fixed with back friction wheel (10) at its other end and touch mutually with rear-guard Moving plate (11) card with former Moving plate (2) card; The moving direction of transmission shaft (8) can lead by forward and backward orienting sleeve (4) (9) and the orienting sleeve base of fixed cover on palintrope chain stay (13) that is enclosed within on the transmission shaft (8), thereby keeps the axial line of transmission shaft (8) parallel with the card of former Moving plate (2) all the time; Regulate forward and backward friction wheel (3) (10) respectively and the pressure between former Moving plate (2) and rear-guard Moving plate (11) card being respectively equipped with pressure regulating screw (5) on the forward and backward orienting sleeve (4) (9); On the axis (16) of bicycle, be provided with stepless speed-regulating device (17), speed governing line (15) on the stepless speed-regulating device (17) connects the galianconism on the speed governing amplification fulcrum (14), it is long-armed to link with the pressure regulation circle (7) that is located at preceding orienting sleeve (4) one sides, is provided with retracing spring (6) between preceding orienting sleeve (4) and pressure regulation circle (7).
2, infinite speed variation bicycle as claimed in claim 1 is characterized in that stepless speed-regulating device (17) is made up of speed governing line (15), axis (16), cam cover (18), needle bearing (20), shift fork cover (22), speed governing shift fork (23), antifriction-bearing box (25), speed governing stage clip (26), cam (27); Its cam cover (18) and former Moving plate (2) connect firmly mutually and fixed cover on axis (16), cam cover (18) is meshed with the cam that is provided with fork slot (27); Speed governing shift fork (23) is enclosed within the shift fork cover (22) and connects firmly and insert in the fork slot of cam (27) mutually with speed governing line (15), shift fork cover (22) is fixed on the sidewall of bottom bracket axle (21), and the keyhole of locating to be milled with 18 millimeters long at bottom bracket axle (21) sidewall shift fork cover (22) is used for moving of speed governing shift fork (23); Speed governing line (15) is fixing by tightening screw (24); Be provided with middle hubcap (19) (19 ') at bottom bracket axle (21) two ends, on end cap (19) back cam cover (18), be with needle bearing (20); In end cap (19 ') side bottom bracket axle (21), be with antifriction-bearing box (25) on the axis (16); Between cam (27) and antifriction-bearing box (25), be provided with speed governing stage clip (26).
3, infinite speed variation bicycle as claimed in claim 1 is characterized in that former Moving plate (2) and rear-guard Moving plate (11) are smooth circumference and the card of minute protrusions is arranged.
4, infinite speed variation bicycle as claimed in claim 1 is characterized in that being provided with speed governing and amplifies fulcrum (14) on preceding orienting sleeve (4), fulcrum long-armed be 2-3 times of galianconism.
5, infinite speed variation bicycle as claimed in claim 1, the range that it is characterized in that cam (27) is 11 millimeters, the maximum compressibility of speed governing stage clip (26) is 10 millimeters.
6, infinite speed variation bicycle as claimed in claim 1 is characterized in that the available mild steel heart yearn of speed governing line (15) makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92225838 CN2134349Y (en) | 1992-06-25 | 1992-06-25 | Bicycle having infinitely variable speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92225838 CN2134349Y (en) | 1992-06-25 | 1992-06-25 | Bicycle having infinitely variable speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2134349Y true CN2134349Y (en) | 1993-05-26 |
Family
ID=33770379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92225838 Expired - Fee Related CN2134349Y (en) | 1992-06-25 | 1992-06-25 | Bicycle having infinitely variable speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2134349Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386201A (en) * | 2014-11-12 | 2015-03-04 | 浙江科技学院 | Friction wheel transmission stepless transmission bicycle |
| CN105172992A (en) * | 2015-10-09 | 2015-12-23 | 福建省新车技科技发展有限公司 | Self-locking transmission device for electric scooter |
| CN109050748A (en) * | 2018-09-05 | 2018-12-21 | 唐超 | A kind of energy-saving and environment-friendly constructions work transloading equipment |
-
1992
- 1992-06-25 CN CN 92225838 patent/CN2134349Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386201A (en) * | 2014-11-12 | 2015-03-04 | 浙江科技学院 | Friction wheel transmission stepless transmission bicycle |
| CN104386201B (en) * | 2014-11-12 | 2016-06-22 | 浙江科技学院 | The bicycle with stepless speed change of frictional wheel drive |
| CN105172992A (en) * | 2015-10-09 | 2015-12-23 | 福建省新车技科技发展有限公司 | Self-locking transmission device for electric scooter |
| CN109050748A (en) * | 2018-09-05 | 2018-12-21 | 唐超 | A kind of energy-saving and environment-friendly constructions work transloading equipment |
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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 |