CN2495541Y - Power-saving bicycle - Google Patents
Power-saving bicycle Download PDFInfo
- Publication number
- CN2495541Y CN2495541Y CN 01249159 CN01249159U CN2495541Y CN 2495541 Y CN2495541 Y CN 2495541Y CN 01249159 CN01249159 CN 01249159 CN 01249159 U CN01249159 U CN 01249159U CN 2495541 Y CN2495541 Y CN 2495541Y
- Authority
- CN
- China
- Prior art keywords
- disc
- driving lever
- chain
- chain wheel
- tooth ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a pedal type power-saving bicycle, which comprises a chain wheel driven by pedaling for rotation. The chain wheel consists of a disc driven by the pedaling for rotation, a teething ring hung outside the disc and at least two more shifting bars movable connected between the disc and the teething ring. The optimized number for the shifting bar of the disc is four. Each end of the shifting bar is articulated with the plane of the disc, and the other end is freely inserted into a positioning hole arranged on the plane of the teething ring. The disc is rotated by the pedaling, the teething ring is rotated by the shifting of the shifting bar, thus driving the rotation of the chain. The utility model has the characteristics of simple structure and power-saving in the riding.
Description
Technical field: the utility model relates to a kind of foot-operated labour-saving bicycle.
Background technology: in prior art, its transmission device of pedal type bicycle is formed for the chain chain wheel that is provided with the moving rotation of the pedal bottom bands of trouser legs at vehicle frame axis place, the flywheel of back and the chain that cover is stung on chain chain wheel and flywheel, chain wheel is bigger, pedals and directly drives chain rotation, relatively effort.Also have a kind of variable speed bicycle, preceding chain wheel is designed to large and small two, and rear flywheel is designed to ascending cone pulley, and its shortcoming is a complex structure, the fault rate height, and the maintenance and repair work capacity is big.
Summary of the invention: the utility model purpose is to provide a kind of labour-saving bicycle that improves the chain wheel structure at above-mentioned deficiency.
Technical solution of the present utility model is: labour-saving bicycle comprises by the moving chain chain wheel that rotates of the pedal bottom bands of trouser legs, the chain chain wheel is by the moving CD that rotates of the pedal bottom bands of trouser legs, outstanding lean against the outer tooth ring of CD and be movably connected in CD with the tooth ring between plural at least driving lever composition.Driving lever on the CD is preferably four, and each driving lever end is hinged on the cd side, and the other end freely is inserted on the tooth anchor ring and locatees in the hole body.Foot-operated CD rotation, driving lever is dialled on it changes the rotation of tooth ring, rotates thereby drive chain.
The utility model has the advantages that: 1, the chain wheel structure adopts the little compact disk structure of molar ring set, has shortened chain wheel stress point diameter, and lengthening is ridden the length of leg strength arm virtually, thereby scrunches laborsaving.2, simple in structure.
Description of drawings: Fig. 1 is the utility model structure diagram.
The specific embodiment: referring to Fig. 1, the chain wheel of labour-saving bicycle adopts the little compact disk structure of molar ring set, and chain 1 cover is stung on tooth ring 2 external tooths and on the flywheel 6 of rear axle.CD 3 is fixed on (identical with chain wheel fixed form in the prior art) on the axis, steps rotation by pedal leg 4.Be connected by four driving levers 5 between CD 3 and the tooth ring 2, each driving lever 5 one end is hinged on the cd side, can be around 3 rotations of CD, and the other end freely is inserted in 2 on tooth ring and goes up in the hole body 7 of location.Respectively there is a locating piece 8 driving lever 5 both sides on CD 3.Location hole body 7 inner side edges crouch and are provided with bearing 9 on tooth ring 2, reduce driving lever 5 turnover resistances.Location hole body 7 is a sleeve-like structure, but in the original place rotation, to adapt to driving lever 5 turnover.On tooth ring 2 outer faces tooth that cooperates with chain 1 is arranged.
In the time of by bike, foot-operated pedal leg 4 drives CD 3 and rotates, and driving lever 5 is stirred 2 rotations of tooth ring on it, changes thereby drive chain 1, realizes garage.
Claims (4)
1, a kind of labour-saving bicycle, comprise by the moving chain chain wheel that rotates of the pedal bottom bands of trouser legs, it is characterized in that the CD (3) that the chain chain wheel drive to be rotated by pedal leg (4), outstanding lean against the outer tooth ring (2) of CD (3) and be movably connected in CD (3) with tooth ring (2) between plural at least driving lever (5) composition.
2, according to the described labour-saving bicycle of claim 1, it is characterized in that the driving lever (5) on the CD (3) is four, each driving lever (5) end is hinged on CD (3) face, and the other end freely is inserted on tooth ring (2) face and locatees in the hole body (7).
3,, it is characterized in that going up driving lever (5) both sides at CD (3) respectively has a locating piece (8) according to the described labour-saving bicycle of claim 2.
4,, it is characterized in that upward location hole body (7) the inner side edge bearing (9) that is provided with for sleeping in of tooth ring (2) according to claim 2 or 3 described labour-saving bicycles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01249159 CN2495541Y (en) | 2001-08-16 | 2001-08-16 | Power-saving bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01249159 CN2495541Y (en) | 2001-08-16 | 2001-08-16 | Power-saving bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2495541Y true CN2495541Y (en) | 2002-06-19 |
Family
ID=33659633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01249159 Expired - Fee Related CN2495541Y (en) | 2001-08-16 | 2001-08-16 | Power-saving bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2495541Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358395A (en) * | 2011-09-19 | 2012-02-22 | 朱琦渊 | Time-saving driving device |
-
2001
- 2001-08-16 CN CN 01249159 patent/CN2495541Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358395A (en) * | 2011-09-19 | 2012-02-22 | 朱琦渊 | Time-saving driving device |
| CN102358395B (en) * | 2011-09-19 | 2013-05-29 | 朱琦渊 | Labor-saving driving device |
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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 |