CN2846278Y - Portable bicycle - Google Patents
Portable bicycle Download PDFInfo
- Publication number
- CN2846278Y CN2846278Y CN 200520119621 CN200520119621U CN2846278Y CN 2846278 Y CN2846278 Y CN 2846278Y CN 200520119621 CN200520119621 CN 200520119621 CN 200520119621 U CN200520119621 U CN 200520119621U CN 2846278 Y CN2846278 Y CN 2846278Y
- Authority
- CN
- China
- Prior art keywords
- supporting rod
- back supporting
- cramp bar
- connecting rod
- front fork
- 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 discloses a portable bicycle which comprises a front supporting rod (1), a back supporting rod (2), a front fork (5) provided with a front wheel (3) and a handlebar (4), a saddle (6) and a back wheel (7), wherein the front fork (5) is rotationally arranged on the front supporting rod (1), and the back wheel (7) is arranged on the back supporting rod (2). The utility model is characterized in that a pedal chain plate (10) with pedals (8) and pedaling rods (9) is arranged on the part close to the supporting rod (2) of the back wheel (7). The pedal chain plate (10) drives the back wheel (7) to rotate by a driving device. A folding device which can be folded in upper and lower directions is connected between the front supporting rod (1) and the back supporting rod (2). After the utility model is folded, the utility model has the advantages of short length, low height, light weight and portability.
Description
Technical field
The utility model relates to a kind of portable bicycle, belongs to technical field of bicycles.
Background technology
Current portable bicycle generally is a folding bicycle, and this kind folding bicycle is made up of parts such as handlebar, preceding cramp bar, back supporting rod, front-wheel, trailing wheels.Its device that can fold is connected between cramp bar, the back supporting rod, and this folding device can make car load folding around left and right direction from folding device, promptly folds from the center between front-wheel, the trailing wheel, and folding back front-wheel and trailing wheel are folded in together.Though this kind bicycle can fold, volume after folding is big, Heavy Weight, can not bring in the city motor bus, also is unfavorable for carrying of people.
The utility model content
The utility model technical issues that need to address, i.e. the purpose of this utility model is for a kind of portable bicycle is provided, this kind portable bicycle volume is little, be convenient to carrying of people.
Technical matters of the present utility model can solve by taking following measure:
Portable bicycle, comprise preceding cramp bar, back supporting rod, the front fork that front-wheel and handle are installed is rotatably installed on the preceding cramp bar, seat, trailing wheel are installed on the back supporting rod, its constructional feature is that band is foot-operated, the pedal chain drum of foot-driven lever is installed on the cramp bar place near trailing wheel, the pedal chain drum drives the trailing wheel rotation by driving device, and connecting one between preceding cramp bar, back supporting rod can be at upper and lower to folding folding device.
The utility model technical solution problem, can also take following measure:
A kind of embodiment of the present utility model is: described folding device is made up of two boxed rods that are hinged together and two lower links that are connected together, two boxed rods are fixed with the top of preceding cramp bar, back supporting rod respectively, one end of two lower links is hinged with a connecting plate respectively, the connecting plate lower surface is provided with " U " shape groove, two lower link coupling ends are positioned at " U " shape groove of connecting plate, the other end of two lower links respectively with the lower hinge of preceding cramp bar, back supporting rod.
Another kind of embodiment of the present utility model is: described front fork is made up of top, bottom, the top of front fork is connected with the bottom is scalable, the top of front fork and junction, bottom have the fixedly hand-tight screw in top, preceding cramp bar is made up of top and bottom, the top and the bottom of preceding cramp bar are separable, can slide on the top of front fork in the top of preceding cramp bar; Back supporting rod is made up of top and bottom, and the top of back supporting rod is connected with the bottom is scalable, and the top of back supporting rod and the junction of bottom be the hand-tight screw on top fixedly.
Another kind of embodiment of the present utility model is: described seat is installed on the back supporting rod by a Collapsible rack, and Collapsible rack is made up of first connecting rod, second connecting rod, third connecting rod; First connecting rod one end is fixed in the top of back supporting rod, and an end of the other end and second connecting rod is hinged; One end of the other end of second connecting rod and third connecting rod is hinged, and the third connecting rod other end is connected with the upper end of the bottom of back supporting rod, and the seat is fixed on the third connecting rod.
Another kind of embodiment of the present utility model is: described riding is connected with the foot-driven lever folding.
Another kind of embodiment of the present utility model is: described driving device is made up of two chains, a transmission chain drum and flywheel, the transmission chain drum is formed by a big chain plate and with the chainlet dish that big chain plate is installed in the same rotating shaft, flywheel and trailing wheel are installed on same the axle, described two chains wherein one be installed on pedal chain drum, the little chain drum, another is installed on big chain plate, the flywheel.
The utlity model has following outstanding effect:
1, connecting one between preceding cramp bar of the present utility model, back supporting rod can be at upper and lower to folding folding device.After folding device is folding, being " eight " font when making cramp bar, back supporting rod by original running condition becomes close mutually, and it is substantially parallel between cramp bar, back supporting rod, can reduce the length of bicycle, thereby reduced bicycle shared volume when non-working condition, be convenient to people and carry.
2, the top of front fork of the present utility model is connected with the bottom is scalable, and the top of back supporting rod is connected with the bottom is scalable, can shrink front fork, back supporting rod when non-working condition.Thereby change the height of bicycle, reduce the shared space of bicycle.
3, seat of the present utility model is installed on the back supporting rod by a travel(l)ing rest, when shrinking front fork, back supporting rod, can fold the seat, further reduces the volume of bicycle.
4, of the present utility model can making with stainless steel material is in light weight.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a folding device lower link partial schematic diagram on the utility model fin.
Fig. 3 is the scheme drawing of the utility model driving device.
Fig. 4 is the scheme drawing of the utility model folded state.
The specific embodiment
Below in conjunction with specific embodiment the utility model is specifically described.
With reference to Fig. 1, the part of this specific embodiment all is made up of stainless steel material.Before front fork 5 is rotatably installed on the cramp bar 1, front fork 5 is equipped with front-wheel 3 and handle 4.Seat 6, trailing wheel 7 are installed on the back supporting rod 2.Front-wheel and trailing wheel all are small wheels.Front fork is made up of top 16a, bottom 16, the top 16a of front fork and 16 scalable connections of bottom, and top 16a mounting knob 4, front-wheel 3 is installed in bottom 16.Preceding cramp bar 1 hollow, preceding cramp bar is made up of top 18 and bottom 19.Front fork passes preceding cramp bar 1.The top 18 of preceding cramp bar 1 is separable with bottom 19, can slide on the 16a of the top of front fork in the top 18 of preceding cramp bar.The upper end of cramp bar bottom 19 before the top 16a of front fork and 16 junctions, bottom are located at.The top 16a of front fork and 16 junctions, bottom have the fixedly hand-tight screw 17 on top.Hand-tight screw 17 can be behind the stretching front fork, and fixedly the position of the top 16a of front fork makes the upper and lower part of front fork can not produce slide relative.
Back supporting rod is made up of top 20 and bottom 21, the top 20 of back supporting rod 2 and 21 scalable connections of bottom, and the top 20 of back supporting rod 2 patches the bottom 21 in back supporting rod 2.Trailing wheel 7 is installed in the bottom 21 of back supporting rod 2.The top 20 of back supporting rod is provided with hand-tight spiral shell 28 with the junction of bottom 21.
Seat 6 is installed on the back supporting rod by a Collapsible rack.Collapsible rack is made up of first connecting rod 22, second connecting rod 23, third connecting rod 24.First connecting rod 22 1 ends are fixed in the top of back supporting rod, and an end of the other end and second connecting rod 23 is hinged.One end of the other end of second connecting rod 23 and third connecting rod 24 is hinged, and the other end of third connecting rod 24 is connected with the upper end of the bottom of back supporting rod 2, and seat 6 is fixed on the end of third connecting rod 24.This Collapsible rack can fold along with the top fore and aft motion of back supporting rod 2 or open.When shrank on the top 20 of back supporting rod 2, Collapsible rack shrank, and the seat and then shrinks near back supporting rod 2, reduces the volume of bicycle.Band is foot-operated 8, the pedal chain drum 10 of foot-driven lever 9 is installed on cramp bar 2 places near trailing wheel 7.Foot-operated 8 are connected with foot-driven lever 9 foldings.Pedal chain drum 10 drives trailing wheel 7 rotations by driving device.
With reference to Fig. 1, Fig. 3, driving device is made up of chain 25, chain 26, a transmission chain drum 27 and flywheel.Transmission chain drum 27 is formed by a big chain plate and with the chainlet dish that big chain plate is installed in the same rotating shaft.Transmission chain drum 27 is installed between pedal chain drum 10 and the trailing wheel 7.Flywheel and trailing wheel 7 are installed on same the axle, and described chain 25 is installed on pedal chain drum 10, the little chain drum, and chain 26 is installed on big chain plate, the flywheel.Pedal chain drum 10 drives trailing wheel 7 rotations by such driving device, can improve the rotating speed of trailing wheel 7, make trailing wheel 7 can be because diameter is too little the speed of a motor vehicle to bicycle influential.Preceding cramp bar 1,2 of back supporting rods connect one can be at upper and lower to folding folding device.Folding device is made up of the boxed rod 11 that is hinged together, boxed rod 12 and the lower link 13 that is connected together, lower link 14.Boxed rod 11, boxed rod 12 are fixed with the top of preceding cramp bar, back supporting rod respectively.One end of lower link 13, lower link 14 is hinged with a connecting plate 15 respectively.
With reference to Fig. 1, Fig. 2, these connecting plate 15 lower surfaces are provided with " U " shape groove, and the coupling end of lower link 13, lower link 14 is positioned at " U " shape groove of connecting plate 15.The connecting plate 15 of this kind structure can only be rotated down two lower links and can not rotate up.The other end of lower link 13, lower link 14 respectively with the lower hinge of preceding cramp bar 1, back supporting rod 2.
With reference to Fig. 4, after folding device of the present utility model is folding, is " eight " font when making cramp bar, back supporting rod and becomes closely mutually, and substantially parallel between cramp bar, back supporting rod by original running condition, can reduce the length of bicycle.And unclamp the top 16a of front fork and the hand-tight screw 17 that 16 junctions, bottom have, and the fixedly hand-tight screw 28 of top effect is played with the junction of bottom 21 in the top 20 of unclamping back supporting rod, front fork and back supporting rod are shunk, just can reduce the height of bicycle.When shrinking back supporting rod, utilize the Foldable stand can the flap(up) seat, thereby can further reduce the spatial volume of bicycle.In addition, foot-operated is connected, makes to ride to fold close foot-driven lever with the foot-driven lever folding.
Claims (6)
1, portable bicycle, comprise preceding cramp bar (1), back supporting rod (2), the front fork (5) that front-wheel (3) and handle (4) are installed is rotatably installed on the preceding cramp bar (1), seat (6), trailing wheel (7) are installed on the back supporting rod (2), it is characterized in that: the pedal chain drum (10) of band foot-operated (8), foot-driven lever (9) is installed near the cramp bar (2) of trailing wheel (7) to be located, pedal chain drum (10) drives trailing wheel (7) rotation by driving device, and connecting one between preceding cramp bar (1), back supporting rod (2) can be at upper and lower to folding folding device.
2, portable bicycle according to claim 1, it is characterized in that: preceding described folding device is by two boxed rods (11 that are hinged together, 12) and two lower links (13 that are connected together, 14) form, two boxed rods (11,12) respectively with preceding cramp bar, the top of back supporting rod is fixed, two lower links (13,14) a end is hinged with a connecting plate (15) respectively, connecting plate (15) lower surface is provided with " U " shape groove, two lower links (13,14) coupling end is positioned at " U " shape groove of connecting plate (15), two lower links (13,14) the other end respectively with preceding cramp bar, the lower hinge of back supporting rod.
3, portable bicycle according to claim 2, it is characterized in that: preceding described front fork (5) is made up of top (16a), bottom (16), top of front fork (16a) and scalable connection of bottom (16), the top of front fork (16a) has the fixedly hand-tight screw in top (17) with junction, bottom (16), preceding cramp bar is made up of top (18) and bottom (19), the top (18) of preceding cramp bar is separable with bottom (19), and the top of preceding cramp bar (18) can go up on the top of front fork (16a) and slide; Back supporting rod is made up of top (20) and bottom (21), the top of back supporting rod (20) and scalable connection of bottom (21), and the top of back supporting rod (20) establish the fixedly hand-tight screw (28) on top with the junction of bottom (21).
4, portable bicycle according to claim 3 is characterized in that: preceding described seat (6) is installed on the back supporting rod by a Collapsible rack, and Collapsible rack is made up of first connecting rod (22), second connecting rod (23), third connecting rod (24); First connecting rod (22) one ends are fixed in the top of back supporting rod (2), and an end of the other end and second connecting rod (23) is hinged; One end of the other end of second connecting rod (23) and third connecting rod (24) is hinged, and third connecting rod (24) other end is connected with the upper end of the bottom of back supporting rod (2), and seat (6) are fixed on the third connecting rod (24).
5, portable bicycle according to claim 1 is characterized in that: preceding described foot-operated (8) are connected with foot-driven lever (9) folding.
6, portable bicycle according to claim 1, it is characterized in that: preceding described driving device is made up of two chains (25,26), a transmission chain drum (27) and flywheel, transmission chain drum (27) is formed by a big chain plate and with the chainlet dish that big chain plate is installed in the same rotating shaft, flywheel and trailing wheel are installed on same the axle, described two chains (25,26) wherein one be installed on pedal chain drum (10), the little chain drum, another is installed on big chain plate, the flywheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520119621 CN2846278Y (en) | 2005-11-30 | 2005-11-30 | Portable bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520119621 CN2846278Y (en) | 2005-11-30 | 2005-11-30 | Portable bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2846278Y true CN2846278Y (en) | 2006-12-13 |
Family
ID=37511696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520119621 Expired - Fee Related CN2846278Y (en) | 2005-11-30 | 2005-11-30 | Portable bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2846278Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100493983C (en) * | 2007-08-20 | 2009-06-03 | 张博 | Rotatable folding portable electric bicycle |
| CN103832526A (en) * | 2014-03-24 | 2014-06-04 | 广州凯路仕自行车运动时尚产业股份有限公司 | Double-four-connecting-rod single-edge foldable bicycle |
-
2005
- 2005-11-30 CN CN 200520119621 patent/CN2846278Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100493983C (en) * | 2007-08-20 | 2009-06-03 | 张博 | Rotatable folding portable electric bicycle |
| CN103832526A (en) * | 2014-03-24 | 2014-06-04 | 广州凯路仕自行车运动时尚产业股份有限公司 | Double-four-connecting-rod single-edge foldable bicycle |
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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 |