CN2360333Y - High speed bicycle driving gear - Google Patents
High speed bicycle driving gear Download PDFInfo
- Publication number
- CN2360333Y CN2360333Y CN 99200808 CN99200808U CN2360333Y CN 2360333 Y CN2360333 Y CN 2360333Y CN 99200808 CN99200808 CN 99200808 CN 99200808 U CN99200808 U CN 99200808U CN 2360333 Y CN2360333 Y CN 2360333Y
- Authority
- CN
- China
- Prior art keywords
- wheel
- chain
- extension shaft
- bicycle driving
- speed bicycle
- 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 transmission device of a high speed bicycle, which comprises a center shaft, a chain wheel which is arranged on the center shaft, a chain, a fly wheel which is arranged on a rear wheel, etc. The utility model is characterized in that the rear end of a right single fork of a horizontal fork of a bicycle is provided with a bow-shaped lath; an intermediate shaft is sheathed in a long slotted hole of the bow-shaped lath; a large chain wheel and a small chain wheel are arranged on the intermediate shaft; the small chain wheel is engaged with the chain wheel on the center shaft through the chain; the large chain wheel is engaged with the fly wheel on the rear wheel. The utility model can effectively improve driving speed; the utility model has the advantages of simple structure and stable performance.
Description
The utility model relates to a kind of high-speed bicycle driving device.
Bicycle is people's the main vehicle.Existing common and two kinds of cars of speed change, the change wheel of derailleur directly is contained on the rear axle, under preceding wheel diameter unmodified situation, reaches the purpose that improves the speed of a motor vehicle with the diameter that changes change wheel.Because the restriction of objective condition and chain-driving principle of design, the disposable raising of speed ratio make the relative raising of the speed of a motor vehicle can be very not fast.Patent No. ZL95215449.8 bicycle drive discloses a kind of bicycle drive, constitute by crank, sprocket wheel, flywheel, chain, its constructional feature is: the single tine rear design on chain stays right side becomes chain stay, its outside fork is long, there is notch the rear end, so that with former chain stays left side single tine symmetry coupling bicycle rear axle is installed; Its inboard fork is short, also there is notch the rear end, porose or the notch of corresponding this notch is stuck in the outside, in hole of pitching in inboard fork pockets mouth and the outside cooresponding or the notch tween drive shaft is housed with it, two sprocket wheels of size are housed on this axle, minor sprocket and bicycle middle shaft sprocket wheel are formed the one-level transmission, and hinge wheel and bicycle freewheel are formed the secondary transmission.
This bicycle drive is because it adopts is the right chain stays of both arms, the terminal fixedly tween drive shaft of interior short fork, as shown in Figure 6, in assembling because of the terminal epistasis distortion of interior short fork and in short fork and the outside pitch and all pass through the open trough muzzle and adorn tween drive shaft, can influence tween drive shaft like this to outside fork lateral vertical side degree, thereby cause on the tween drive shaft minor sprocket and hinge wheel to tilt and produce chain phenomenon and chain wear phenomenon with respect to the sprocket wheel on the axis and flywheel, can not guarantee assembly precision, and unstable properties has a strong impact on the use of bicycle.
The purpose of this utility model is to provide a kind of structure simpler, easily guarantees assembly precision, and stable performance is loaded and unloaded easy to adjust and riding speed bicycle drive faster.
The purpose of this utility model is achieved in that the utility model comprises axis, is located at sprocket wheel, the chain on the axis and is located at flywheel on the rear axle etc., its constructional feature is that the right single tine of chain stays rear end is arciform batten, in the long slot bore of arciform batten, be set with an extension shaft, hinge wheel and minor sprocket are housed on the extension shaft, minor sprocket is meshed by chain with sprocket wheel on the axis, and hinge wheel is meshed by chain with flywheel on the rear axle.
The utility model is provided with the ring-type convex shoulder at the extension shaft end that is connected with the arciform batten of right single tine.
The utility model is provided with back stop slot and retaining ring at an end of extension shaft.
The wheel hub that the utility model is provided with hinge wheel and minor sprocket is sleeved on the extension shaft by two ball pearl bowls.
The utility model becomes arciform batten with chain stays right side single tine rear design, is provided with a long slot bore on arciform batten side, but an extension shaft fore-and-aft adjustment is housed in the slotted eye, and two sprocket wheels of size are housed on this axle.Minor sprocket and axis sprocket wheel are formed the one-level transmission with chain engages; Hinge wheel and flywheel are formed the secondary transmission with chain engages, owing to adopt fixedly extension shaft of the single arciform batten of right single tine, so it is simple in structure, cost is lower, easily guarantees assembly precision, loads and unloads easy to adjust, and chain and chain wear phenomenon can not appear falling in stable performance, can effectively improve the speed of a motor vehicle.
Accompanying drawing 1 is the utility model structural representation.
Accompanying drawing 2 is the utility model lateral plan.
Accompanying drawing 3 is the utility model extension shaft chain sprocket structure scheme drawing.
Accompanying drawing 4 is the arciform batten structural representation of the right single tine of the utility model.
Accompanying drawing 5 is the birds-eye view of accompanying drawing 4.
Accompanying drawing 6 is that the right single tine of chain stay is two chain stay structural representations.
Accompanying drawing 7,8 is the utility model extension shaft structural representation.
Accompanying drawing 9 is the utility model retaining ring structure scheme drawing.
Below in conjunction with accompanying drawing the utility model is described in detail:
In the accompanying drawings, 1 hinge wheel, 2 extension shafts, 3 right single tines, 4 axis sprocket wheels, 5 chains, 6 arciform battens, 7 minor sprockets, 8 chains, 9 flywheels, 10 long slot bores, 11 nuts, 12 packing rings, 13 packing rings, 14 pearls, 15 wheel hubs, 16 bolts, 17 nuts, 18 pearl bowls, 19 cover of dusts, 20 grades, 21 nuts, 22 retaining rings, 23 packing rings, 24 ring-type convex shoulders, 25 back stop slots, 26 notches, 27 earholes.
As accompanying drawing 1,2,3,4,5, the utility model becomes arciform batten 6 to right single tine 3 rear design of chain stays, and its rear end is provided with notch 26, so that be installed on bicycle rear axle with former bicycle left side single tine symmetry coupling.Arciform batten 6 sides are provided with long slot bore 10, and extension shaft 2 is housed in slotted eye, and two sprocket wheels of size are housed on the extension shaft 2, and minor sprocket 7 is formed the one-level transmission with 5 engagements of axis sprocket wheel 4 usefulness chains; Hinge wheel 1 is formed the secondary transmission with 8 engagements of bicycle freewheel 9 usefulness chains.Increase the principle of transmitting ratio with the change teeth number of sprocket, to improve the speed of a motor vehicle.According to end user's different situations, preferentially select the vehicle of suitable transmitting ratio for use.If axis sprocket wheel 4 numbers of teeth are Z1, minor sprocket 7 numbers of teeth are Z2, and hinge wheel 1 number of teeth is Z3, and flywheel 9 numbers of teeth are Z4, and transmitting ratio is: i=Z1/Z2 * Z3/Z4, see the speed ratio table.
| The car model | Speed ratio (i) | |
| 26 24 26 26 27 | Common speed of a motor vehicle ratio | Secondary transmission speed of a motor vehicle ratio |
| 36/18＝2 | 36/19×24/18＝2.58 36/19×24/16＝2.84 36/19×24/14＝3.25 | |
| 32/16＝2 | 32/19×24/16＝2.58 32/19×24/14＝2.89 | |
| 42/18＝2.33 | 42/19×24/18＝2.95 42/19×24/16＝3.3 42/19×24/14＝3.79 | |
| 38/16＝2.38 | 38/19×24/16＝3 38/19×24/14＝3.43 | |
| 48/18＝2.67 | 48/19×24/18＝3.37 48/19×24/16＝3.79 48/19×24/14＝4.33 | |
Front upper part is provided with the fixedly earhole 27 of chain cover on the arciform batten 6 of the utility model; Its side is provided with long slot bore 10, and extension shaft 2 is housed in groove, but extension shaft 2 fore-and-aft adjustments, its roll adjustment one-level is 280mm-350mm, secondary is 100mm-140mm.
Shown in accompanying drawing 3,7,8,9, the utility model extension shaft 2 is designed to by an end band shape convex shoulder 24 of bow type batten 6 and the structure of enlarged diameter, like this, by nut 11 and ring-type convex shoulder 24 extension shaft 2 and arciform batten 6 are locked, in order to making the squareness that locating surface guarantees extension shaft 2 and arciform batten 6, and can improve the intensity of extension shaft 2.The utility model is not if be provided with ring-type convex shoulder 24, and available nut replaces ring-type convex shoulder 24 and nut 11 that extension shaft is locked on the arciform batten 6.The other end is provided with back stop slot 25, retaining ring 22, in case extension shaft 2 driving system displacements.As shown in Figure 7, the threaded one end that the utility model extension shaft 2 is fastened on arciform batten is M10, and other end screw thread is M8.
As shown in Figure 3, it is fastening that big minor sprocket 1,7 of the utility model and wheel hub 15 usefulness bolts 16 add spring washer 23, is convenient to assembling or replacing, helps user's maintenance.
As shown in Figure 3, the utility model is set with ball pearl bowl 18 between extension shaft 2 and wheel hub 15, between two ball pearl bowls 18 is wheel hub 15, inboard ball pearl bowl 18 outer ends are the ring-type convex shoulder 24 of shelves 20, plain cushion 13 and extension shaft, and the outer end of outer ball pearl bowl 18 is floor clip 22 and nut 21.Adopt ball pearl bowl 18 between the utility model extension shaft 2 and the wheel hub 15, coordinate mutually with the roll structure of front and back wheel, its assembly precision height like this, stable performance, and reduced cost.Lock with nut 11 and packing ring 12 one end of extension shaft 2 and arciform batten 6 sides.Axis of the present utility model adopts D type axis, its end that is connected with sprocket wheel 4 lengthening 5mm-10mm.
Claims (9)
1, a kind of high-speed bicycle driving device, it comprises axis, is located at sprocket wheel, the chain on the axis and is located at flywheel on the rear axle etc., it is characterized in that the right single tine (3) of chain stays rear end is arciform batten (6), in the long slot bore (10) of arciform batten (6), be set with an extension shaft (2), hinge wheel (1) and minor sprocket (7) are housed on the extension shaft (2), minor sprocket (7) is meshed by chain (5) with sprocket wheel (4) on the axis, and hinge wheel (1) is meshed by chain (8) with flywheel (9) on the rear axle.
2, a kind of high-speed bicycle driving device according to claim 1 is characterized in that being provided with ring-type convex shoulder (24) at extension shaft (2) end that is connected with the arciform batten of right single tine (6).
3, a kind of high-speed bicycle driving device according to claim 1 and 2 is characterized in that being provided with back stop slot (25) and retaining ring (22) at an end of extension shaft (2).
4, a kind of high-speed bicycle driving device according to claim 1 and 2 is characterized in that the wheel hub (15) that is provided with hinge wheel (1) and minor sprocket (7) is sleeved on the extension shaft (2) by two ball pearl bowls (18).
5, a kind of high-speed bicycle driving device according to claim 3 is characterized in that the wheel hub (15) that is provided with hinge wheel (1) and minor sprocket (7) is sleeved on the extension shaft (2) by two ball pearl bowls (18).
6, a kind of high-speed bicycle driving device according to claim 1 and 2 is characterized in that hinge wheel (1) and minor sprocket (7) and wheel hub (15) adopt bolt (16) fastening.
7, a kind of high-speed bicycle driving device according to claim 3 is characterized in that hinge wheel (1) and minor sprocket (7) and wheel hub (15) adopt bolt (16) fastening.
8, a kind of high-speed bicycle driving device according to claim 4 is characterized in that hinge wheel (1) and minor sprocket (7) and wheel hub (15) adopt bolt (16) fastening.
9, a kind of high-speed bicycle driving device according to claim 5 is characterized in that hinge wheel (1) and minor sprocket (7) and wheel hub (15) adopt bolt (16) fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99200808 CN2360333Y (en) | 1999-01-25 | 1999-01-25 | High speed bicycle driving gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99200808 CN2360333Y (en) | 1999-01-25 | 1999-01-25 | High speed bicycle driving gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2360333Y true CN2360333Y (en) | 2000-01-26 |
Family
ID=33996722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99200808 Expired - Fee Related CN2360333Y (en) | 1999-01-25 | 1999-01-25 | High speed bicycle driving gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2360333Y (en) |
-
1999
- 1999-01-25 CN CN 99200808 patent/CN2360333Y/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 |