CN2113187U - Bicycle rear hub driven by sprocket - Google Patents
Bicycle rear hub driven by sprocket Download PDFInfo
- Publication number
- CN2113187U CN2113187U CN 92211396 CN92211396U CN2113187U CN 2113187 U CN2113187 U CN 2113187U CN 92211396 CN92211396 CN 92211396 CN 92211396 U CN92211396 U CN 92211396U CN 2113187 U CN2113187 U CN 2113187U
- Authority
- CN
- China
- Prior art keywords
- spring box
- shelves
- bicycle
- spiral spring
- coil spring
- 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.)
- Granted
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- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
The utility model relates to a bicycle rear wheel head driven by line, comprising a wheel shaft, a shaft casing, a '88' block and rollers which are symmetrical right and left. The '88' block is tightly sheathed with a driving rope pulley whose outer side is provided with a spiral spring box, the outer end of a spiral spring in the spiral spring box is fixed on the casing of the spiral spring box, and the inner end of the spiral spring box is connected with the 88' block. The wheel head of the utility model has reasonable design. Not only the forwarding drive of the bicycle is realized, but also the retreat of the bicycle driven by line is free. The linkage of the driving rope is avoided, and the linkage is safe and reliable.
Description
The utility model belongs to the bike tech scope, relates to a kind of back wheel of line driving bicycle.
At present, the line driving bicycle still is in the development test stage, in the prior art, a kind of variable speed bicycle of line transmission has been introduced in the patent application of application number 912216026, it is that back wheel with the small flywheel bicycle serves as that realize on the basis, establishes two pedals, is linked by a rope, this bicycle, owing to adopt ratchet drive, can only advance, can rewind fly rope when retreating, drive the reversing of two pedals, the danger of drawing bad pedal is arranged.
Task of the present utility model provides does not rewind fly rope, the foot-powered line driving bicycle of safe and reliable and available list back wheel when a kind of bicycle retreats, to overcome the above-mentioned shortcoming that prior art exists.
Task of the present utility model is to realize on the basis with " 88 " shelves (bull wheel) bicycle rear head, it comprises wheel shaft, axle housing, " 88 " shelves and ball, its main points are left-right symmetric, there is rope pulley tightly to be enclosed within on " 88 " shelves, coil spring box is equipped with in the outside, and this coil spring box can be fixed on the car wooden fork by fixed card, the wind spring in the coil spring box, outer end and coil spring box are connected and fixed, and the inner links to each other with " 88 " shelves.
Accompanying drawing is that master of the present utility model looks cutaway view.
Below in conjunction with accompanying drawing the utility model is elaborated:
Shown in accompanying drawing, 7 is wheel shafts among the figure, the 6th, and axle housing, " 88 " shelves 5 are equipped with by ball in the outer end of left-right symmetric axle housing 6, and " 88 " shelves 5 tighten and are with rope pulley 4, and there is groove the outer of rope pulley 4, can twine rope and an end of rope is fixed on it; Coil spring box 2 is equipped with in the outside of rope pulley 4, and this coil spring box can be by fixed card 1 fastening on the car wooden fork, and making it can not be around axle 7 rotation, and wind spring 3 outer ends in the coil spring box are fixed on the coil spring box shell, and the inner links to each other with " 88 " shelves 5.When treadling, when fly rope affected rope sheave drive " 88 " shelves just changeing, the roller 8 of " 88 " shelves outwards got rid of, combine with axle housing, the driving trailing wheel rotates, and when the pedal return, fly rope is loose, rope pulley and the stall of " 88 " shelves, the roller of " 88 " shelves promptly resets, and separates " 88 " shelves and the upward rope pulley counter-rotating of suit thereof under the effect of wind spring with axle housing, fly rope is rapped around on the rope pulley, get ready for drive next time.
The utility model is reasonable in design, has both realized the bicycle advancing drive, and bicycle is retreated freely, does not produce the interlock of the exhausted rope of transmission, and is safe and reliable.
Claims (1)
1, a kind of line transmission self-moving vehicle back wheel, comprise wheel shaft, axle housing, " 88 " shelves and ball, it is characterized in that left-right symmetric, there is the transmission rope cable pulley tightly to be enclosed within on " 88 " shelves, coil spring box is equipped with in the outside, can be on the car wooden fork of back by the fixed card fastening, and the wind spring in the coil spring box, the outer end is fixed on the coil spring box, and the inner links to each other with " 88 " shelves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92211396 CN2113187U (en) | 1992-03-14 | 1992-03-14 | Bicycle rear hub driven by sprocket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92211396 CN2113187U (en) | 1992-03-14 | 1992-03-14 | Bicycle rear hub driven by sprocket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2113187U true CN2113187U (en) | 1992-08-19 |
Family
ID=4956414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92211396 Granted CN2113187U (en) | 1992-03-14 | 1992-03-14 | Bicycle rear hub driven by sprocket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2113187U (en) |
-
1992
- 1992-03-14 CN CN 92211396 patent/CN2113187U/en active Granted
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |