CN2285237Y - Power-saving bicycle - Google Patents
Power-saving bicycle Download PDFInfo
- Publication number
- CN2285237Y CN2285237Y CN 96250168 CN96250168U CN2285237Y CN 2285237 Y CN2285237 Y CN 2285237Y CN 96250168 CN96250168 CN 96250168 CN 96250168 U CN96250168 U CN 96250168U CN 2285237 Y CN2285237 Y CN 2285237Y
- Authority
- CN
- China
- Prior art keywords
- fixed
- bicycle
- chain
- sprocket
- axis
- 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 provides a power-saving quick bicycle which comprises a front and rear wheels, a frame, a handle bar, a saddle, a middle shaft, pedals and a sprocket chain gearing mechanism; the rear bicycle axle sleeve is fixed to a small chain wheel; a big chain wheel at the front surface is fixed to the outer sleeve of a ratchet mechanism; the middle shaft is fixed to the inner sleeve of the ratchet mechanism; a pedal turn is fixed to the middle shaft; the middle shaft is cooperated with a bearing base on the frame. The bicycle has the advantages of labor saving, comfort, quick stating, big transmission ratio and convenient running at a high speed; bicyclists are not easy to fatigue.
Description
The utility model relates to the bicycle technical field.
Present bicycle, back axle puts a flywheel (sprocket wheel that promptly has ratchet device) all is housed, and the hinge wheel on the foot-operated axis all fixes with axis, when foot pedal starting and when quickening by bike midway, the quiet inertia that the cyclist must at first overcome hinge wheel, minor sprocket and chain and produced, thereby effort are when bicycle is the bigger high-speed bicycle of transmitting ratio, the problem that overcomes quiet inertia is just more outstanding, thereby greatly reduces the in-use performance of foot-operated high-speed bicycle.
The purpose of this utility model provides a kind of laborsaving quick bicycle, it is by being placed on flywheel on the axis, make and fix a minor sprocket on the rear axle (cover) and solved the problems referred to above, thereby reached laborsaving by bike, comfortable, starting is fast, be convenient to fast running, applied widely, the tireless purpose of cyclist.
The utility model is achieved in that a kind of bicycle, comprise front and back wheel, vehicle frame, handlebar, saddle, axis, foot-operated and sprocket chain strip transmission mechanism, it is characterized in that back axle puts is fixed with minor sprocket, the overcoat of fwd hinge wheel and ratchet device fixes, the interior cover of axis and ratchet device fixes (being a suitable big flywheel), pedal crank is fixed on the axis, and axis matches with bearing seat on the vehicle frame.
Above-mentioned chain wheel driving mechanism can be the one-level variable transmission mechanism, and the minor sprocket that puts as fwd hinge wheel and back axle links to each other by chain, is the one-level speed changing structure.
Above-mentioned sprocket chain strip transmission mechanism, also can be the two stage speed change transmission device, as also being provided with a pair of coaxial (cover) big or small speed-changing chain in the middle of the minor sprocket on the axletree of fwd hinge wheel and back, fixed cover (axle) is fixed on the vehicle frame, respectively link to each other between the speed change hinge wheel of the speed change minor sprocket of fwd hinge wheel and centre and the minor sprocket on the back axle and centre, be two stage speed change mechanism by a chain.
The transmitting ratio of above-mentioned transmission mechanism of bicycle can also can be the higher bicycle of transmitting ratio with general bicycle, and for example the overall gear ratio of sprocket chain strip transmission mechanism can be more than 1: 3, as 1: 3, and 5-6, be 1: 4-5 is preferable.
The utility model has the advantages that: because the sprocket wheel look chain and the rear wheel synchronized operation of transmission device, and foot-operated by ratchet device and its disengagement, so when the cyclist starts, or when quickening midway, needn't at first overcome the quiet inertia of transmission device, more laborsaving, starting is fast, and is more comfortable by bike, be convenient to fast running, transmitting ratio can increase, and is applied widely, and the cyclist is indefatigability also.Especially when transmitting ratio was big, this advantage more can embody, thereby has improved the practicality of high-speed bicycle greatly.
Below in conjunction with embodiment and accompanying drawing the utility model is further described, but not as to qualification of the present utility model.
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is the structural representation of embodiment 2.
Among Fig. 1, the outer shroud and the hinge wheel (wheel disc) 4 of ratchet device 1 (with the ratchet device on the ordinary bicycle rear flywheel) are fixed as one, interior ring is fixed as one with the axis 2 that connects pedal crank 3, axis 2 matches with bearing seat on the vehicle frame, 5 is chain, minor sprocket 6 is fixed as one with rear axle housing 7, and rear axle housing 7 cooperates with rear axle 8.Rear axle 8 is fixed on the vehicle frame, and overall gear ratio is 1: 5,1: 3.6 etc.
Among Fig. 2,10,9 for to be fixed on the big or small speed-changing chain on the axle sleeve 11, and axle sleeve 11 cooperates with axle 12, and axle 12 is fixed on the frame 13, and 14 is chain, two stage speed change, and other labels are the same.15, the 16 spring shock absorption structures of using during for high speed, overall gear ratio are 1: 5 or 5.5 etc.
Claims (3)
1, a kind of bicycle, comprise front and back wheel, vehicle frame, handlebar, saddle, axis, foot-operated and sprocket chain strip transmission mechanism, it is characterized in that back axle puts is fixed with minor sprocket (6), the overcoat of fwd hinge wheel (4) and ratchet device (1) fixes, axis (2) fixes with the interior cover of ratchet device (1), pedal crank (3) is fixed on the axis (2), and axis (2) matches with bearing seat on the vehicle frame.
2, bicycle according to claim 1 is characterized in that the sprocket chain strip transmission mechanism is: fwd hinge wheel (4) links to each other by chain (5) with minor sprocket (6) on the back axle cover (7), is the one-level speed changing structure.
3, bicycle according to claim 1, it is characterized in that the sprocket chain strip transmission mechanism is: also be provided with a pair of coaxial or overlap big or small speed-changing chain (9,10) in the middle of the minor sprocket (6) that the axletree of fwd hinge wheel (4) and back puts, fixed cover or axle (12) are fixed on the vehicle frame, respectively link to each other between the speed change hinge wheel (10) of minor sprocket (6) that the speed change minor sprocket (9) of fwd hinge wheel (4) and centre and back axle put and centre, be two stage speed change mechanism by a chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96250168 CN2285237Y (en) | 1996-12-27 | 1996-12-27 | Power-saving bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96250168 CN2285237Y (en) | 1996-12-27 | 1996-12-27 | Power-saving bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2285237Y true CN2285237Y (en) | 1998-07-01 |
Family
ID=33921323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96250168 Expired - Fee Related CN2285237Y (en) | 1996-12-27 | 1996-12-27 | Power-saving bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2285237Y (en) |
-
1996
- 1996-12-27 CN CN 96250168 patent/CN2285237Y/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 |