CN2811705Y - Small-sized folding bicycle - Google Patents
Small-sized folding bicycle Download PDFInfo
- Publication number
- CN2811705Y CN2811705Y CN 200520115673 CN200520115673U CN2811705Y CN 2811705 Y CN2811705 Y CN 2811705Y CN 200520115673 CN200520115673 CN 200520115673 CN 200520115673 U CN200520115673 U CN 200520115673U CN 2811705 Y CN2811705 Y CN 2811705Y
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- bearing support
- movable connecting
- wheel
- rod
- 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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- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
The utility model relates to a small-sized folding bicycle, which is formed by that a main drive gear mechanism is arranged in a hole arranged on the front end of a support bracket of a bicycle body; two end heads of a drive shaft are respectively provided with foot brackets. The outer arm of a main drive shaft is provided with a front movable connection rod of which the front end is connected with a slant support rod of the front wheel, and the connection point is provided with an angle regulator. The lower end of the support rod is provided with a front travel wheel, and the upper end is provided with a handle bar and brake handles for the front and the rear wheels. The front end of the support bracket and the rear part of the front movable connection rod are provided with damping springs and clamp springs; a secondary drive sprocket mechanism is arranged in a hole arranged on the lower end of the support bracket. A drive gear is arranged between a main drive gear and a secondary drive sprocket. The outer arm of a secondary drive shaft is provided with a rear movable connection rod; the front part of the rod and the rear end of the support bracket are provided with clamp springs and damping springs; the end of the rear movable connection rod is fixed with a travel drive shaft of which the right end is provided with a driven sprocket, and the left end is provided with a drive travel wheel; a free wheel assembly is arranged between the driven sprocket and the drive travel wheel. A drive chain is connected between the secondary drive sprocket and the driven sprocket. The rear end of the support bracket is provided with a saddle support rod; the upper end of the support rod is provided with a saddle, and the rear lower part is provided with a luggage carrier.
Description
Technical field
The utility model belongs to the technological improvement of traffic appliance, is specifically related to a kind of mini foldable cycle.
Background technique
China is a populous country, flowing of rural and urban population be unable to do without bicycle as transport, though this simple and practical traffic tool are through for many years update, but the subject matter that the bicycle that present people comparatively generally use exists is that volume is big, weight is big, particularly, bring certain pressure for the bicycle storing place to worker and the student than comparatively dense on and off duty.
Summary of the invention
The purpose of this utility model is in order to overcome the deficiencies in the prior art, a kind of mini foldable cycle is provided, the main technical schemes of its solution, be in the hole that car body bearing support front end is provided with, main drive gear mechanism to be housed, the two ends of this transmission shaft is equipped with pin trailing arm and pin holder respectively, the outer arm of main drive shaft is equipped with preceding movable connecting rod, the oblique supporting rod of the other end of connecting rod and front-wheel joins, damping spring and jump ring are equipped with in the front end of bearing support and preceding movable connecting rod rear portion, the supporting rod angle demodulator is equipped with in preceding movable connecting rod and supporting rod connecting part, the front travel wheel is equipped with in the supporting rod lower end, handlebar and front and back wheels brake lever are equipped with in the upper end, be equipped with in the hole that the bearing support lower end is provided with by drive sprocket mechanism, main drive gear and driving gear is housed between the drive sprocket, by the outer arm of transmission shaft the back movable connecting rod is housed still, between the rear end of this connecting rod front portion and bearing support jump ring and damping spring are housed still, the end of back movable connecting rod is being fixed the stroke transmission shaft, this right-hand member is equipped with driven sprocket, left end is equipped with initiatively stroke wheel, fly wheel assembly is housed between the two, be connected drive chain by between drive sprocket and the driven sprocket, the vehicle seat strut is equipped with in the rear end of bearing support, vehicle seat is equipped with in the upper end of this bar, vehicle seat strut rear and low part is equipped with roof rack luggage rack, vehicle seat strut and roof rack luggage rack connection part are equipped with the stroke fixing nail, the top of bearing support is provided with portable mouthful and hook, the car body strut is equipped with in the bottom, and is main, protection apron is being fixed in the outside of passive driving mechanism.
Adopt the mini foldable cycle of said structure, its advantage: the one, rational in infrastructure, make simple, with low cost; The 2nd, in light weight, transmission is fast, saves the strength; The 3rd, deposit that to take up an area of the space little, be convenient to deposit.
Description of drawings
Below in conjunction with accompanying drawing the utility model embodiment is elaborated.
Fig. 1 is an overall structure schematic representation of the present utility model.
Fig. 2 is the utility model folded state schematic representation.
Fig. 3 is the partial sectional view of overall structure A-A of the present utility model.
Fig. 4 is the fly wheel assembly structural representation.
Embodiment
By a kind of mini foldable cycle shown in Fig. 1-4, it is in the hole that car body bearing support (4) front end is provided with main drive gear mechanism (11) to be housed, the two ends of this transmission shaft is equipped with pin trailing arm (13) and pin holder (15) respectively, the outer arm of main drive shaft is equipped with preceding movable connecting rod (17), the oblique supporting rod of the other end of connecting rod and front-wheel (19) joins, damping spring (14) and jump ring (24) are equipped with in the front end of bearing support and preceding movable connecting rod rear portion, supporting rod angle demodulator (18) is equipped with in preceding movable connecting rod and supporting rod connecting part, can play the stroke stabilization, front travel wheel (16) is equipped with in the supporting rod lower end, handlebar (20) and front and back wheels brake lever (21) are equipped with in the upper end, be equipped with in the hole that the bearing support lower end is provided with by drive sprocket mechanism (10), main drive gear and driving gear (12) is housed between the drive sprocket, by the outer arm of transmission shaft back movable connecting rod (7) is housed still, jump ring (26) and damping spring (8) still are equipped with in the anterior rear end with bearing support of this connecting rod, the end of back movable connecting rod is being fixed stroke transmission shaft (27), this right-hand member is equipped with driven sprocket (28), left end is equipped with initiatively stroke wheel (6), fly wheel assembly (29) is housed between the two, be connected drive chain (9) between drive sprocket and the driven sprocket, vehicle seat strut (2) is equipped with in the rear end of bearing support, vehicle seat (1) is equipped with in the upper end of this bar, vehicle seat strut rear and low part is equipped with roof rack luggage rack (3), vehicle seat strut and roof rack luggage rack connection part are equipped with stroke fixing nail (22), the top of bearing support is provided with portable mouthful (5) and hook (30), car body strut (25) is equipped with in the bottom, and is main, protection apron (23) is being fixed in the outside of passive driving mechanism.
When depositing, at first supporting rod angle demodulator (18) is unclamped, depress the oblique supporting rod of front-wheel (19), with handlebar (20) outwards pull out down the folding after ride over bearing support (4), buckle hook (30) then, again stroke fixing nail (22) is unclamped, vehicle seat strut (2) and roof rack luggage rack (3) are turned back in the lump, unclamp jump ring (26) at last, initiatively stroke wheel (6) turns back.
Claims (3)
1, a kind of by the car body bearing support, driving gear, the front and back movable connecting rod, front and back stroke wheel, angle demodulator, fly wheel assembly, the handlebar vehicle seat, the holder of trailing arm pin, roof rack luggage rack, damping spring jump ring and braking mechanism are connected to each other a kind of mini foldable cycle of composition, it is characterized in that: main drive gear mechanism (11) is housed in the hole that the front end of car body bearing support (4) is provided with, the outer arm of main drive shaft is equipped with preceding movable connecting rod (17), the oblique supporting rod of the other end of this connecting rod and front-wheel (19) joins, supporting rod angle demodulator (18) is equipped with in preceding movable connecting rod and supporting rod connecting part, front travel wheel (16) is equipped with in the supporting rod lower end, handlebar (20) and front and back wheels brake lever (21) are equipped with in the upper end, be equipped with in the hole that the bearing support lower end is provided with by drive sprocket mechanism (10), main drive gear and driving gear (12) is housed between the drive sprocket, by the outer arm of transmission shaft back movable connecting rod (7) is housed still, the end of back movable connecting rod is being fixed stroke transmission shaft (27), this right-hand member is equipped with driven sprocket (28), left end is equipped with initiatively stroke wheel (6), and fly wheel assembly (29) is housed between the two.
2, a kind of mini foldable cycle according to claim 1, it is characterized in that: vehicle seat strut (2) is equipped with in the rear end of bearing support, vehicle seat (1) is equipped with in the upper end of this bar, vehicle seat strut rear and low part is equipped with roof rack luggage rack (3), vehicle seat strut and roof rack luggage rack connection part are equipped with stroke fixing nail (22), the top of bearing support is provided with portable mouthful (5) and hook (30), and car body strut (25) is equipped with in the bottom, and protection apron (23) is being fixed in the outside main, passive driving mechanism.
3, a kind of mini foldable cycle according to claim 1, it is characterized in that: damping spring (14) and jump ring (24) are equipped with in the front end of bearing support and preceding movable connecting rod rear portion, and jump ring (26) and damping spring (8) still are equipped with in the anterior rear end with bearing support of back movable connecting rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520115673 CN2811705Y (en) | 2005-07-31 | 2005-07-31 | Small-sized folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520115673 CN2811705Y (en) | 2005-07-31 | 2005-07-31 | Small-sized folding bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2811705Y true CN2811705Y (en) | 2006-08-30 |
Family
ID=36938094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520115673 Expired - Fee Related CN2811705Y (en) | 2005-07-31 | 2005-07-31 | Small-sized folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2811705Y (en) |
-
2005
- 2005-07-31 CN CN 200520115673 patent/CN2811705Y/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 |