CN202089182U - Folding bicycle - Google Patents
Folding bicycle Download PDFInfo
- Publication number
- CN202089182U CN202089182U CN2011201706042U CN201120170604U CN202089182U CN 202089182 U CN202089182 U CN 202089182U CN 2011201706042 U CN2011201706042 U CN 2011201706042U CN 201120170604 U CN201120170604 U CN 201120170604U CN 202089182 U CN202089182 U CN 202089182U
- Authority
- CN
- China
- Prior art keywords
- cant beam
- section
- sleeve
- folding bicycle
- crank
- 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 folding bicycle which comprises a five-way sleeve, wherein a middle shaft is mounted in the five-way sleeve, a crank shaft is mounted at the two ends of the middle shaft, a rear fork is fixedly connected with the five-way sleeve, a front fork sleeve is connected with the five-way sleeve through a sloping beam, the sloping beam comprises a first section sloping beam and a second section sloping beam which are mutually hinged with each other through the first rotating shaft, the first section sloping beam is fixedly connected with the front fork sleeve, the second section is fixedly connected with the five-way sleeve, and a first spring pin enabling the first section sloping beam to be positioned relative to the second section sloping beam is arranged. Fixing sleeves are arranged at the two ends of the middle shaft, the crank shaft is hinged with the fixing sleeves through the second rotating shaft, a second spring pin which is used for enabling the crank shaft and the fixing sleeves to be positioned relatively is arranged, a mounting board is fixed on the rear fork, a saddle plate used for the mounting of the saddle is hinged with the mounting board through a third rotating shaft, and a positioning groove for accommodating the bottom end of the saddle plate is formed at the bottom of the mounting board. In the folding bicycle provided by the utility model, through the overturn of the sloping beam, the crank shaft and saddle plate, the integral length and the height are reduced, and the folding bicycle is portable.
Description
Technical field
The utility model relates to a kind of bicycle, relates in particular to the super flat super short bicycle in a kind of folding back.
Background technology
Folding in the market self-moving vehicle mainly gathers into folds based on front-wheel and trailing wheel alignment, flourish along with growth in the living standard and tourism industry, and that volume after folding becomes is not only flat but also short, being easy to carry is only the good tool of outing.
The utility model content
The utility model provides a kind of volume after folding little bicycle, reaches the requirement that is convenient for carrying.
A kind of folding bicycle, comprise the five-way sleeve, in the five-way sleeve axis is housed, the axis two ends are equipped with crank, the back vent that is used to install trailing wheel is captiveed joint with the five-way sleeve, the front fork sleeve that is used to install front-wheel is connected with the five-way sleeve by cant beam, described cant beam is made of first section cant beam and second section cant beam of being hinged by first rotating shaft, wherein first section cant beam captiveed joint with front fork sleeve, second section cant beam captiveed joint with the five-way sleeve, is provided with first spring pin that is used to make first section cant beam and second section cant beam relative positioning.
First section cant beam and second section cant beam relatively rotate when folding, with first section cant beam and front fork sleeve, turn to five-way sleeve top together with parts such as front forks, have reduced entire length.When launching, bicycle makes first section cant beam and second section cant beam relative positioning by first spring pin.
Described second section cant beam is provided with guide plate, has the guide groove of arc on the guide plate, is provided with first locking pin that runs through guide groove and first section cant beam.When the relative second section cant beam of first section cant beam changed angle, first locking pin unclamped and slides along guide groove, screws first locking pin when needing fixed angle, avoided unnecessary relative swing between first section cant beam and the second section cant beam.
Described first spring pin is positioned at first section cant beam, and described guide plate is provided with and is used for the knock hole that cooperates with first spring pin.First spring pin stretched into knock hole when bicycle launched, make fixed angle between first section cant beam and the second section cant beam, need when folding in first section cant beam of the first spring pin retraction, promptly from knock hole, withdraw from, need to unclamp first locking pin simultaneously, first section cant beam then can change angle by relative second section cant beam.
Described axis two ends are provided with fixed cover, and described crank is hinged by second rotating shaft and fixed cover, is provided with second spring pin that is used to make crank and fixed cover relative positioning; The axis of described second rotating shaft is vertical mutually with the axis of axis.
Crank overturns around second rotating shaft when needing to fold, can reduce whole height, described second spring pin comprises spring leaf and is connected the pin rod of spring leaf one end, and the other end of spring leaf is fixed on the fixed cover, and described crank sidewall is provided with and is used for the pin-and-hole that cooperates with pin rod.Bicycle pin rod when running condition inserts pin-and-hole, avoids the crank upset, and pin rod withdraws from pin-and-hole when folding, to realize the crank upset.
The contact site of described fixed cover and crank is provided with the power assistant spring sheet.Crank when upset, the power spring leaf effect of receiving aid of crank sidewall, it is folding to overturn smoothly, has also played the effect of damping and buffering upon deployment.
Be fixed with adapter plate on the described back vent, the saddle plate that is used to install saddle is hinged by the 3rd rotating shaft and adapter plate, is used to hold the positioning groove of saddle plate bottom bottom the adapter plate.
Be provided with by described the 3rd rotating shaft and adapter plate pivotally attached rotary sleeve, have the guide groove of arc on the adapter plate, be provided with second locking pin that runs through guide groove, saddle plate and rotary sleeve, described saddle plate is plugged in the rotary sleeve.
Need to unclamp second locking pin when folding, on carry saddle plate, make the saddle plate bottom withdraw from positioning groove and escape the five-way sleeve, the saddle plate that overturns then further reduces the bicycle height, second locking pin slides along guide groove during upset.
The utility model folding bicycle by the upset of cant beam, crank and saddle plate, has reduced single-piece length and height, is easy to carry.
Description of drawings
Fig. 1 is the structural representation of the utility model folding bicycle;
Fig. 2 is the structural representation at first locking pin and the first spring pin position among Fig. 1;
Fig. 3 is the structural representation at saddle plate and the second locking pin position among Fig. 1;
Fig. 4 is a folding locking device structure scheme drawing between crank base and crank among Fig. 1;
Fig. 5 is crank damping arrangement structural representation when movable in crank base among Fig. 1;
Fig. 6 is the structural representation after the utility model folding bicycle folds.
The specific embodiment
Referring to Fig. 1, a kind of folding bicycle of the utility model, cant beam is made of first section cant beam 1 and second section cant beam of being hinged by first rotating shaft 3, wherein first section cant beam 1 captiveed joint with front fork sleeve, second section cant beam captiveed joint with the five-way sleeve, second section cant beam is provided with guide plate 2, has the guide groove of arc on the guide plate 2, first spring pin 5 that is provided with first locking pin 4 that runs through guide groove and first section cant beam 1 and is used to make first section cant beam 1 and second section cant beam relative positioning.
Be fixed with adapter plate on the back vent, rotary sleeve is hinged with adapter plate by the 3rd rotating shaft 8, saddle plate 6 is plugged in this rotary sleeve, the adapter plate bottom is provided with the positioning groove 9 that is used to hold saddle plate 6 bottoms, have the guide groove of arc on the adapter plate, be provided with second locking pin 7 that runs through guide groove, saddle plate and rotary sleeve.
Referring to Fig. 2, first locking pin 4 is made of 4-5 screw 4-1, cover 4-2, pad 4-3, nut 4-4, off-centre, and screw and cover are through guide plate and first section cant beam, and an end is a nut, and the other end and eccentric handle spin.
First spring pin 5 is positioned at first section cant beam, comprises U type spring 5-1, and its two ends cross-peen connects gram spring 5-2, when two grams jump when slipping into position of positioning hole, springs in the knock hole locking then by the effect of U type spring 5-1.
Earlier the handlebar band preceding wheel assembly horizontal direction Rotate 180 degree to the left or to the right before folding, space in front-wheel alignment guide plate, in first section cant beam of the first spring pin retraction, promptly from knock hole, withdraw from, need to unclamp first locking pin simultaneously, first section cant beam then can change angle by relative second section cant beam.
Referring to Fig. 3, second locking pin 7 comprises handgrip 7-1, pad 7-2, nut 7-3, cover 7-4, second locking pin 7 unclamps back saddle plate 6 and can slide up and down in rotary sleeve, when needing to fold, unclamps second locking pin 7, on carry saddle plate 6, make saddle plate 6 bottoms withdraw from positioning groove and escape the five-way sleeve, saddle plate 6, the second locking pins 7 that overturn then slide along the guide groove of arc, when saddle plate 6 inner spaces during, just saddle plate 6 covers are buckled in second locking pin, 7 lockings then on the trailing wheel greater than the appearance profile of trailing wheel.
Referring to Fig. 4, the axis two ends are provided with fixed cover 12 (as crank base), and crank 11 is hinged with fixed cover 12 by second rotating shaft 13, and the axis of second rotating shaft 13 is vertical mutually with the axis of axis.Second spring pin comprises spring leaf 15 and is connected the pin rod 14 of spring leaf 15 1 ends, and the other end of spring leaf 15 is fixed on the fixed cover 12, and crank 11 sidewalls are provided with and are used for the pin-and-hole that cooperates with pin rod 14.Bicycle pin rod 14 when running condition inserts pin-and-hole, avoids crank 11 upsets, and pin rod 14 withdraws from pin-and-hole when folding, and the crank band pedal and done 180 degree upsets, and pedal can insert in the space of vehicle frame.
Referring to Fig. 5, the contact site of fixed cover and crank is provided with power assistant spring sheet 16, in order to hold power assistant spring sheet 16, the fixed cover sidewall has groove 17, during crank 11 upsets, crank 11 sidewalls are subjected to 16 effects of power-assisted spring leaf, and it is folding to overturn smoothly, has also played the effect of damping and buffering upon deployment.Power assistant spring sheet 16 turn to 45 when spending from 0 degree, angle on the crank head makes power assistant spring sheet 16, and outwards distortion is maximum, to turn over when turning 90 degrees 16 distortion of power assistant spring sheet minimum when crank, another angle that crank is turned on 135 heads of crank when spending makes 16 distortion of power assistant spring sheet maximum, and 16 distortion of power assistant spring sheet are minimum when crank turns over turnback.
Because the folding stand width just equals the standard AL, highly surpass wheel diameter after the utility model folding bicycle is folding, this overall height just wheel diameter the volume after folding is the wide * height of long * as 14 cun, 970*150*350mm.Reduced single-piece length and height to greatest extent, be easy to carry.
Claims (8)
1. folding bicycle, comprise the five-way sleeve, in the five-way sleeve axis is housed, the axis two ends are equipped with crank, back vent is captiveed joint with the five-way sleeve, front fork sleeve is connected with the five-way sleeve by cant beam, it is characterized in that, described cant beam is made of first section cant beam and second section cant beam of being hinged by first rotating shaft, wherein first section cant beam captiveed joint with front fork sleeve, second section cant beam captiveed joint with the five-way sleeve, is provided with first spring pin that is used to make first section cant beam and second section cant beam relative positioning.
2. folding bicycle as claimed in claim 1 is characterized in that, described second section cant beam is provided with guide plate, has the guide groove of arc on the guide plate, is provided with first locking pin that runs through guide groove and first section cant beam.
3. folding bicycle as claimed in claim 2 is characterized in that, described first spring pin is positioned at first section cant beam, and described guide plate is provided with and is used for the knock hole that cooperates with first spring pin.
4. folding bicycle as claimed in claim 3 is characterized in that, described axis two ends are provided with fixed cover, and described crank is hinged by second rotating shaft and fixed cover, is provided with second spring pin that is used to make crank and fixed cover relative positioning.
5. folding bicycle as claimed in claim 4 is characterized in that, the axis of described second rotating shaft is vertical mutually with the axis of axis.
6. folding bicycle as claimed in claim 5 is characterized in that the contact site of described fixed cover and crank is provided with the power assistant spring sheet.
7. folding bicycle as claimed in claim 6 is characterized in that, is fixed with adapter plate on the described back vent, and the saddle plate that is used to install saddle is hinged by the 3rd rotating shaft and adapter plate, is used to hold the positioning groove of saddle plate bottom bottom the adapter plate.
8. folding bicycle as claimed in claim 7, it is characterized in that, be provided with, have the guide groove of arc on the adapter plate by described the 3rd rotating shaft and adapter plate pivotally attached rotary sleeve, be provided with second locking pin that runs through guide groove, saddle plate and rotary sleeve, described saddle plate is plugged in the rotary sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201706042U CN202089182U (en) | 2011-05-24 | 2011-05-24 | Folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201706042U CN202089182U (en) | 2011-05-24 | 2011-05-24 | Folding bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202089182U true CN202089182U (en) | 2011-12-28 |
Family
ID=45364269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201706042U Expired - Fee Related CN202089182U (en) | 2011-05-24 | 2011-05-24 | Folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202089182U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105270541A (en) * | 2014-07-16 | 2016-01-27 | 福特全球技术公司 | Foldable bicycle chain stay and bicycle frame |
-
2011
- 2011-05-24 CN CN2011201706042U patent/CN202089182U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105270541A (en) * | 2014-07-16 | 2016-01-27 | 福特全球技术公司 | Foldable bicycle chain stay and bicycle frame |
| CN105270541B (en) * | 2014-07-16 | 2019-03-22 | 福特全球技术公司 | Foldable bicycle Chain stay and vehicle frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20120524 |