CN2173207Y - Gearing device for speed-changing bicycle - Google Patents
Gearing device for speed-changing bicycle Download PDFInfo
- Publication number
- CN2173207Y CN2173207Y CN 93205741 CN93205741U CN2173207Y CN 2173207 Y CN2173207 Y CN 2173207Y CN 93205741 CN93205741 CN 93205741 CN 93205741 U CN93205741 U CN 93205741U CN 2173207 Y CN2173207 Y CN 2173207Y
- Authority
- CN
- China
- Prior art keywords
- wheel
- gear
- driving wheel
- transmission shaft
- driving
- 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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- Gear-Shifting Mechanisms (AREA)
Abstract
The utility model belongs to a gearing device for rotary movement, which is suitable for speed-changing bicycles, other type bicycles and man-power tricycles. The utility model adopts gearing shaft to gear in structure and is provided with a driving wheel and a driven gear wheel which are connected with both ends of the gearing shaft. The utility model has the advantages of simple structure of the speed-changing gearing device, abrasion resistance, etc.
Description
The utility model belongs to the device of conveying rotary motion, is a kind of driving device that is suitable for variable speed bicycle, also is applicable to other types bicycle and manual tricycle.
Existing bicycle driving device generally is to use chain gear, be connected institute with flywheel on being fixed in wheel hub with chain and constitute by being fixed in big gear wheel on the axis, in use exist complex structure, chain, gear wheel and flywheel serious wear, and chain easily gets loose after stretching and waits the item technical deficiency.
The purpose of this utility model is to provide a kind of driving device of variable speed bicycle, by in this device transmission shaft being set, end face is a technical measures such as the driving wheel of concentric gear ring and driven gear wheel member, makes its integral structure simple, wear-resistant, to overcome the prior art deficiency.
Integral structure of the present utility model is:
The driving device of variable speed bicycle is by the driving wheel 1 and the flower wheel 2 that are anchored on axis and the wheel hub, be covered in the driving wheel box 3 on driving wheel and driven gear wheel surface, flower wheel box 4, connect the transmission shaft 5 between driving wheel and the flower wheel, and the shift fork 6 that the control speed of a motor vehicle is used is formed, driving wheel be above the circular metal plate processing or at least three roads with upper ring gear 7, flower wheel is a gear wheel, the column gear 8 of transmission shaft one end assembling can be meshed with each gear ring on the driving wheel, and the other end is processed into the fixed cylinder shape helical wheel 9 that is meshed with flower wheel.
Other architectural features of the present utility model also have:
Column gear 8 is that lead key connects with transmission shaft, and bearing 10 supportings are all adopted at the both ends of transmission shaft respectively, and two block bearings are anchored on respectively on flower wheel box inboard and the axis.
Shift fork is installed on the cylindric gear, links to each other with control stalk 12 by connecting rod 11.
Accompanying drawing of the present utility model has:
Fig. 1 is the integral structure sketch of derailleur.
Fig. 2 is the actuating device section-drawing.
Accompanying drawing has provided embodiment of the present utility model, and accompanying drawings is as follows:
Driving wheel and driven gear wheel are anchored on respectively on axis and the wheel hub, driving wheel diameter 300mm, above the external diameter of three road gear rings be respectively 300m, 250mm, 200mm, the wide 20mm that is about of each gear ring, adjacent two gear ring spacings are 30mm, can be 60mm along the cylindrical wheel diameter of axle slippage, shift fork is installed, shift fork links to each other with control stalk by connecting rod, cylindric helical wheel diameter is 40mm, long 50mm, driven gear wheel diameter is 80mm, driving wheel and driven roller box all adopt screw rod to be anchored on the support 13, driving wheel and driven gear wheel are fixed on axis and the wheel hub, when the bicyclist steps stretcher, can finish the driving of wheel by the driven gear wheel that is fixed in the driving wheel drive transmission shaft on the axis and be meshed with cylindric helical wheel on the transmission shaft, the bicyclist can handle control stalk 12 to regulate the speed of a motor vehicle according to the needs of oneself.
The obtained technological progress of the utility model is to compare with having the derailleur drives structure now, the utlity model has the advantages such as simple in structure, wear-resistant, long service life.
Claims (3)
1, the driving device of variable speed bicycle is by the driving wheel 1 and the flower wheel 2 that are anchored on axis and the wheel hub, be covered in the driving wheel box 3 on driving wheel and driven gear wheel surface, flower wheel box 4, connect the transmission shaft 5 between driving wheel and the flower wheel, and the shift fork 6 that the control speed of a motor vehicle is used is formed, it is characterized in that driving wheel be above the circular metal plate processing or at least three roads with upper ring gear 7, flower wheel is a gear wheel, the column gear 8 of transmission shaft one end assembling can be meshed with each gear ring on the driving wheel, and the other end is processed into the fixed cylinder shape helical wheel 9 that is meshed with driven gear wheel.
2, the actuating device of derailleur according to claim 1 is characterized in that column gear 8 and transmission shaft are that lead key connects, and bearing 10 supportings are all adopted at the both ends of transmission shaft respectively, and two block bearings are anchored on respectively on flower wheel box inboard and the axis.
3, the actuating device of derailleur according to claim 1 is characterized in that shift fork is installed on the cylindric gear, links to each other with control stalk 12 by connecting rod 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93205741 CN2173207Y (en) | 1993-03-19 | 1993-03-19 | Gearing device for speed-changing bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93205741 CN2173207Y (en) | 1993-03-19 | 1993-03-19 | Gearing device for speed-changing bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2173207Y true CN2173207Y (en) | 1994-08-03 |
Family
ID=33788932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93205741 Expired - Fee Related CN2173207Y (en) | 1993-03-19 | 1993-03-19 | Gearing device for speed-changing bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2173207Y (en) |
-
1993
- 1993-03-19 CN CN 93205741 patent/CN2173207Y/en not_active Expired - Fee Related
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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 |