CN2707612Y - Central shaft chain wheel accelerator for bicycle and electric vehicle - Google Patents
Central shaft chain wheel accelerator for bicycle and electric vehicle Download PDFInfo
- Publication number
- CN2707612Y CN2707612Y CN 200420021021 CN200420021021U CN2707612Y CN 2707612 Y CN2707612 Y CN 2707612Y CN 200420021021 CN200420021021 CN 200420021021 CN 200420021021 U CN200420021021 U CN 200420021021U CN 2707612 Y CN2707612 Y CN 2707612Y
- Authority
- CN
- China
- Prior art keywords
- sprocket wheel
- star
- axis
- wheel
- accelerator
- 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 center shaft sprocket wheel accelerator for a bicycle or an electric cycle. The utility model comprises a sprocket wheel and a centre shaft supported by a bearing in a fixed cylinder; the centre shaft is connected with the sprocket wheel through a planet wheel speedup mechanism. The utility model can improve the speed of the driving of the sprocket wheel by the centre shaft to improve the speed of the bicycle or the electric cycle and decrease the size of the sprocket wheel. The utility model which has the advantages of compact structure, small volume, light weight and convenient installation is suitable for various bicycles and electric cycles, in particular for folding light-duty bicycles and intelligent electric cycles with small wheels.
Description
Technical field:
The utility model relates to a kind of bicycle, battery-driven car axis chain wheel driving mechanism, particularly a kind of bicycle, battery-driven car axis sprocket wheel accelerator.
Background technology:
In the prior art, the axis sprocket wheel of bicycle, battery-driven car generally all is directly to captive joint with axis, and the rotating speed of axis promptly is the rotating speed of axis sprocket wheel.People strengthen axis chain size of wheel often in order to increase vehicle wheel rotational speed in same trampling under the axis rotating speed, and increase axis sprocket wheel recently reaches the transmission of rear axle sprocket wheel, but the increase of axis chain size of wheel is always limited, and the requirement of its speedup is restricted.This is difficult to reach the speed of a motor vehicle of what one hopes or wishes for for folding portable bicycle especially New Intelligent Electrical Bicycle.
The utility model content
The purpose of this utility model is to provide a kind of bicycle, battery-driven car axis sprocket wheel accelerator, can make axis that speedup is carried out in the transmission of its sprocket wheel, thereby improve the speed of a motor vehicle greatly, and reduction chain size of wheel satisfies the requirement of cyclist to the speed of a motor vehicle.
For achieving the above object, the utility model adopts following technical proposals:
A kind of bicycle, battery-driven car axis sprocket wheel accelerator comprise sprocket wheel and the axis that is supported by the stationary magazine creel neck bearing, it is characterized in that axis passes through a planetary wheel speed increasing mechanism and connects sprocket wheel.
The structure of above-mentioned planetary wheel speed increasing mechanism is: star wheel frame of fixed installation on the axis, three star-wheels are installed on the star wheel frame; Circle has internally toothed annulus to mesh with star-wheel on the external envelope circle of three star-wheels in the one end expansion annulus of stationary magazine creel; The inner of sprocket wheel has miniature gears, and this miniature gears meshes with star-wheel on the interior envelope circle of three star-wheels.
Two bearings are installed in the center hole of above-mentioned sprocket wheel and with the sprocket wheel rolling bearing on axis, its outer side bearing is located by revolving the spring washer and the nut that are assigned on the axis, and interior side bearing is located by packing ring.
Above-mentioned star wheel frame constitutes one by a rotating disk by the welding of three star-wheel center shafts and a slice ring segment, and the interior circle of star-wheel of three each sliding sleeves of star-wheel center shaft, rotating disk welds with axis or flush fit or cooperate by key.
Above-mentioned stationary magazine creel inwall has the outer race location of two convex shoulders to two bearings, and the race, inner of outer side bearing is by revolving the nut location that is assigned on the axis.
There is outside thread above-mentioned stationary magazine creel end, revolves to join an installation big nut.
The utility model compared with prior art, have following conspicuous characteristics and advantage: in the utility model, axis connects sprocket wheel by a planetary wheel speed increasing mechanism, make axis carry out speedup to the transmission of its sprocket wheel, solved folding portable bicycle, the size-constrained slow problem of riding speed that makes of, sprocket wheel little owing to wheel allows it have equal riding speed (20～Km/h) with ordinary bicycle; Solved Electrical Bicycle (particularly intelligent electric bicycle) speed per hour more than 10 kilometers manpower can't normally quicken the problem of trampling.Owing to improved the chain wheel speed greatly, thereby also can reduce the chain size of wheel, made bicycle lighter and handier attractive in appearance.Precision Machinery Elements are integrated constitutes by bearing, axis, compound planet gear, sprocket wheel etc. for the utility model, compact conformation, and volume is little, in light weight, easy for installation, be applicable to various bicycles and battery-driven car, especially the folding hand-held design bicycle and the intelligent electric motor-car of trundle.
Description of drawings:
Accompanying drawing is the structural representation of an embodiment of the utility model.
The specific embodiment:
A preferred embodiment of the present utility model is: referring to accompanying drawing, and the axis 1 that this bicycle, battery-driven car axis sprocket wheel accelerator include sprocket wheel 14 and supported by stationary magazine creel 4 neck bearings 5,8, axis 1 connects sprocket wheel 14 by a planetary wheel speed increasing mechanism.The structure of above-mentioned planetary wheel speed increasing mechanism is: star wheel frame 9 of fixed installation on the axis 1, three star-wheels 20 of installation on the star wheel frame 9: the end expansion annulus 22 interior circles of stationary magazine creel 4 have internally toothed annulus 19 to mesh with star-wheel 20 on the external envelope circle of three star-wheels 20: the inner of sprocket wheel 14 has miniature gears 21, and this miniature gears 21 meshes with star-wheel 20 on the interior envelope circle of three star-wheels 20.Two bearings 13,15 are installed in the center hole of sprocket wheel 14 and with sprocket wheel 14 rolling bearings on axis 1, its outer side bearing 15 is by revolving spring washer and nut 16 location that are assigned on the axis 1, and interior side bearing 13 is located by packing ring 17,18.Above-mentioned star wheel frame 9 constitutes one by a rotating disk 10 by three star-wheel center shafts 11 and 12 welding of a slice ring segment, the interior circle of star-wheel 20 of three star-wheel center shaft 11 each sliding sleeves, rotating disk 10 and axis 1 welding.Above-mentioned stationary magazine creel 4 inwalls have the outer race location of 6,7 pairs of two bearings 5,8 of two convex shoulders, and the race, inner of outer side bearing 5 is by revolving nut 2 location that are assigned on the axis 1.There is outside thread above-mentioned stationary magazine creel 4 ends, revolve to join an installation big nut 3.When being installed on the car,, screwing on installation big nut 3 then and get final product as long as stationary magazine creel 4 is inserted in the vehicle frame mounting hole.
Claims (6)
1. a bicycle, battery-driven car axis sprocket wheel accelerator comprise sprocket wheel (14) and by the axis (1) of stationary magazine creel (4) neck bearing (5,8) supporting, it is characterized in that axis (1) connects sprocket wheel (14) by a planetary wheel speed increasing mechanism.
2. bicycle according to claim 1, battery-driven car axis sprocket wheel accelerator is characterized in that the structure of planetary wheel speed increasing mechanism is: axis (1) is gone up a fixed installation star wheel frame (9), and star wheel frame (9) is gone up three star-wheels (20) are installed; Circle has internally toothed annulus (19) to go up and star-wheel (20) engagement at the external envelope circle of three star-wheels (20) in the one end expansion annulus (22) of stationary magazine creel (4); The inner of sprocket wheel (14) has miniature gears (21), and this miniature gears (21) is gone up and star-wheel (20) engagement at the interior envelope circle of three star-wheels (20).
3. bicycle according to claim 2, battery-driven car axis sprocket wheel accelerator, it is characterized in that in the center hole of sprocket wheel (14) two bearings (13,15) being installed and with sprocket wheel (14) rolling bearing on axis (1), its outer side bearing (15) is located by revolving the spring washer and the nut (16) that are assigned on the axis (1), and interior side bearing (13) is located by packing ring (17,18).
4. bicycle according to claim 2, battery-driven car axis sprocket wheel accelerator, it is characterized in that star wheel frame (9) constitutes one by a rotating disk (10) by three star-wheel center shafts (11) and a slice ring segment (12) welding, three star-wheel center shafts (11) star-wheels of each sliding sleeve (20), the interior circle of rotating disk (10) and axis (1) are defended and are connect or flush fit or cooperate by key.
5. bicycle according to claim 1, battery-driven car axis sprocket wheel accelerator, it is characterized in that stationary magazine creel (4) inwall has the outer race location of two convex shoulders (6,7) to two bearings (5,8), and the race, inner of outer side bearing (5) is by revolving nut (2) location that is assigned on the axis (1).
6. bicycle according to claim 1, battery-driven car axis sprocket wheel accelerator is characterized in that there is outside thread stationary magazine creel (4) end, revolve to join an installation big nut (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420021021 CN2707612Y (en) | 2004-03-18 | 2004-03-18 | Central shaft chain wheel accelerator for bicycle and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420021021 CN2707612Y (en) | 2004-03-18 | 2004-03-18 | Central shaft chain wheel accelerator for bicycle and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2707612Y true CN2707612Y (en) | 2005-07-06 |
Family
ID=34849062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420021021 Expired - Fee Related CN2707612Y (en) | 2004-03-18 | 2004-03-18 | Central shaft chain wheel accelerator for bicycle and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2707612Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2319753A2 (en) * | 2008-08-04 | 2011-05-11 | Soltech Co., Ltd. | Accelerating apparatus for a bicycle for improving the speed of travel |
| CN102975815A (en) * | 2011-09-07 | 2013-03-20 | 戴奕光 | Bicycle speed increaser (accelerator) |
-
2004
- 2004-03-18 CN CN 200420021021 patent/CN2707612Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2319753A2 (en) * | 2008-08-04 | 2011-05-11 | Soltech Co., Ltd. | Accelerating apparatus for a bicycle for improving the speed of travel |
| EP2319753A4 (en) * | 2008-08-04 | 2011-08-10 | Soltech Co Ltd | Accelerating apparatus for a bicycle for improving the speed of travel |
| CN101873963B (en) * | 2008-08-04 | 2013-03-27 | 菲戈尔有限公司 | Accelerating apparatus for a bicycle for improving the speed of travel |
| CN102975815A (en) * | 2011-09-07 | 2013-03-20 | 戴奕光 | Bicycle speed increaser (accelerator) |
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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 |