CN2167926Y - Coaxial light bicycle - Google Patents
Coaxial light bicycle Download PDFInfo
- Publication number
- CN2167926Y CN2167926Y CN 93219037 CN93219037U CN2167926Y CN 2167926 Y CN2167926 Y CN 2167926Y CN 93219037 CN93219037 CN 93219037 CN 93219037 U CN93219037 U CN 93219037U CN 2167926 Y CN2167926 Y CN 2167926Y
- Authority
- CN
- China
- Prior art keywords
- gear
- cranks
- bicycle
- utility
- model
- 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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- Automatic Cycles, And Cycles In General (AREA)
Abstract
The utility model relates to a coaxial light bicycle, a back wheel is installed between two large cranks, and the back wheel is concentric with the big cranks. A speed increaser is installed between the back wheel and the big cranks, the big cranks are rotated to drive a gear of the speed increaser to rotate, the gear drives the back to rotate, and the back wheel is provided with a flywheel. Handle-bars are made into grips. Since chainwheel chain transmission is cancelled, the fault of chain dropping is overcome; the utility model has simple structure, the distance between two wheels is shortened, the turning radius of the bicycle is reduced, and the flexibility is added. The utility model not only has material saving, but also has light weight, convenient transportation and flexible use.
Description
The utility model is the improvement of existing ordinary bicycle.
Present normally used bicycle have 26 types, 28 types and light, extra heavy etc. all be to adopt sprocket wheel, chain gear, vehicle frame is long, car body is heavy, lives in the many of building now, carrying was both heavy, very inconvenient again up and down, and adopted the sprocket wheel chain gear, it is not all right that chain is tight, the chain pine chain-taking.So existing bicycle in use has a lot of inconveniences.
The purpose of this utility model is to design the gear-driven coaxial portable bicycle of a kind of usefulness.
The purpose of this utility model is realized by following structure.
The utility model is that the sprocket wheel chain structure that will have ordinary bicycle now removes, and gearbox (7) is installed in the trailing wheel (10) at vehicle frame (5) rear portion and turns greatly between (8).Trailing wheel (10) be installed in have the turning greatly between (8) of pedal, turn greatly (8) concentric with trailing wheel (10).Turn (8) rotation greatly and drive trailing wheel (10) rotation by the multiplying wheel transmission in the gearbox (7).
Owing to adopt gear increaser, turn rotation greatly and drive the trailing wheel rotation, without the sprocket wheel chain gear by direct geared, simplified mechanism, shortened the distance between the two-wheeled, not only saving in material but also alleviated weight, convenient in carrying has reduced the turning radius of bicycle, increases alerting ability.
Figure one is coaxial portable bicycle structural representation;
Figure two is that the A of figure one is to partial schematic diagram.
Further provide concrete structure of the present utility model below in conjunction with description of drawings and embodiment.
In the front portion of vehicle frame (5) front fork (3), carriage (1), handlebar (4) are installed, generally handlebar (4) are made handle, go up at front fork (3) front-wheel (2) and plate washer (6), lock (9) are installed.Install at the rear portion of vehicle frame (5) and to turn (8) greatly, gearbox (7), trailing wheel (10) are installed between turning greatly, on trailing wheel (10), install plate washer (6), lock (9), flywheel (12) two.The over-speed gear ratio of gearbox (7) can be selected as required voluntarily, for laborsaving, generally selects big over-speed gear ratio, and generally selecting over-speed gear ratio is 2.5, uses two pairs of gear increasers usually, also can select many to gear increaser.For expendable weight and attractive in appearance, under the prerequisite of proof strength, the transmission gear that speedup is used is got over Bao Yuehao, generally selects 10 millimeter.Gear (14) is installed in greatly the axle that turns (8) and goes up driven gear (15) rotation and speedup, gear (15) is coaxial with gear (16), gear (16) driven gear (17) rotation and speedup, gear (17) is coaxial and drive trailing wheel (10) rotation with trailing wheel (10), and flywheel (12) is installed in trailing wheel (10) lining.
Claims (2)
1, a kind of coaxial portable bicycle, mainly comprise carriage (1), front and rear wheel (2), (10), front fork (3), handlebar (4), vehicle frame (5), plate washer (6), gearbox (7), turn (8), lock (9) greatly, seat (11), flywheel (12), it is characterized in that: turn greatly (8) concentric with trailing wheel (10).
2, coaxial portable bicycle according to claim 1 is characterized in that: turn (8) rotation greatly and drive trailing wheel (10) rotation by the gear transmission in the speed increaser (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93219037 CN2167926Y (en) | 1993-07-20 | 1993-07-20 | Coaxial light bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93219037 CN2167926Y (en) | 1993-07-20 | 1993-07-20 | Coaxial light bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2167926Y true CN2167926Y (en) | 1994-06-08 |
Family
ID=33798537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93219037 Expired - Fee Related CN2167926Y (en) | 1993-07-20 | 1993-07-20 | Coaxial light bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2167926Y (en) |
-
1993
- 1993-07-20 CN CN 93219037 patent/CN2167926Y/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 |