CN202827931U - Folding bicycle - Google Patents
Folding bicycle Download PDFInfo
- Publication number
- CN202827931U CN202827931U CN 201220431865 CN201220431865U CN202827931U CN 202827931 U CN202827931 U CN 202827931U CN 201220431865 CN201220431865 CN 201220431865 CN 201220431865 U CN201220431865 U CN 201220431865U CN 202827931 U CN202827931 U CN 202827931U
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- CN
- China
- Prior art keywords
- front fork
- back vent
- buckle
- anchor fitting
- folding bicycle
- 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. The folding bicycle solves the problems that in the prior art, a folding bicycle is complex in structure, bad in usability, high in cost, bad in rigidity, inconvenient to fold and unfold and large in size after being folded. The folding bicycle mainly comprises a bicycle frame, a bicycle head vertical tube, handles, a front fork upper portion, a front fork lower portion, a bicycle seat, a seat tube, a rear fork assembly, a rear fork rotary shaft, a chain wheel, pedals and wheels. The bicycle frame comprises a head tube, a crossbeam, a crossbeam lower support and a middle tube. The upper end of the head tube is connected with the handles through the bicycle head vertical tube. A first folding mechanism is arranged on the lower end of the bicycle head vertical tube. The lower end of the head tube is connected with the front fork upper portion. A second folding mechanism is arranged between the front fork upper portion and the front fork lower portion. A rear fork fixing device is arranged on the middle tube. A rear fork fixing device buckle used in a matched mode with the rear fork fixing device is arranged on the rear fork assembly. The rear fork rotary shaft is installed on the lower end of the middle tube through the support. The chain wheel is hinged with the rear fork rotary shaft through a support plate.
Description
Technical field
The utility model relates to a kind of vehicle, relates to specifically a kind of folding bicycle.
Background technology
Majority is that vehicle frame adopts folding joint to realize the simple doubling of its front and back wheel in the existing folding bicycle.For example application number is 201010125120.6 folding bicycle, and its top tube and down tube are respectively equipped with is convenient to two folding fold mechanisms of front and back wheel.This folding bicycle can realize simultaneously that top tube and down tube are folding, can add to fasten two folding pipe fittings reliable and stablely, reach very to locking and open effect.But this folding bicycle is just realized the simple doubling of its front and back wheel, and volume after folding is larger, is not easy to deposit and carry.
Application number is 201010266023.9 folding bicycle, mainly comprise vehicle frame, crank, front and back wheel, driving system, vehicle seat, handlebar etc., but folding twice of cross member of frame zigzag, trailing wheel can rotate in crossbeam, the deflecting bar fixed orifice is in the right front of front fork fixed orifice, can be with deflecting bar down to the front-wheel right side when folding, the seat rod fixed orifice is the vehicle frame left side again, seat rod can be down to the trailing wheel left side when folding, the transmission adopted secondary transmission, the combination of big trochal disc and minor sprocket, hinge wheel and flywheel, foot-operated can fold make foot-operated flat with crank one.Size can significantly be dwindled after this folding bicycle was folding, but this bicycle structure is very complicated, technique is poor and cost is higher, simultaneously, folded and launch all inconvenient.
Existing folding bicycle frame crossbeam all has fold mechanism, causes the rigidity of car load to be subject to certain impact, particularly in the poor place of road conditions condition, causes and has reduced the traveling comfort that drives.
The utility model content
For existing structure of folding bike is complicated, manufacturability is poor and cost is higher, rigidity is relatively poor, fold and launch inconvenient, the problem that volume after folding is large, it is a kind of simple in structure that the purpose of this utility model is to provide, and good manufacturability and cost are lower, and rigidity is good, folding and launch convenient and swift, the folding bicycle that volume after folding is little.
The utility model is to address the above problem the technical scheme that adopts to be:
A kind of folding bicycle, mainly comprise vehicle frame, the first standpipe of car, handlebar, front fork top, the front fork bottom, vehicle seat, the seat pipe, the back vent assembly, the back vent rotating shaft, chain wheel, vehicle frame comprises head tube, crossbeam, crossbeam lower support and middle pipe, the upper end of head tube is connected with handlebar by the first standpipe of car, the first standpipe of car is provided with the first fold mechanism, the lower end of head tube is connected with front fork top, it is characterized in that: be provided with the second fold mechanism between described front fork top and the described front fork bottom, described middle pipe is provided with the back vent anchor fitting, described back vent assembly is provided with the back vent anchor fitting buckle that is used with described back vent anchor fitting, described back vent rotating shaft is installed in the lower end of described middle pipe by support, and described chain wheel is hinged by support plate and described back vent rotating shaft.
The utility model also has following technical characterictic:
Described the first fold mechanism adopts bundle substructure or hinge folding mechanism.
Described the second fold mechanism comprises front fork pressing plate, front fork rotating shaft and front fork safety gear, and described front fork pressing plate is provided with handwheel, and described front fork pressing plate is inclined wedge-shaped, and described front fork pressing plate can move forward and backward by described handwheel; Described front fork rotating shaft is arranged on the rear end of front fork top and front fork bottom; Described front fork top and front fork bottom are fixed by described front fork pressing plate and described front fork rotating shaft; Described front fork safety gear be fixed on front fork top independently have elastomeric pulling pin.
Described back vent anchor fitting is comprised of fluting spring leaf and spring leaf anchor fitting, and described fluting spring leaf is fixed on the middle pipe of vehicle frame by described spring leaf anchor fitting.
Described spring leaf anchor fitting is bolt, screw, rivet, pin or larynx hoop.
Described back vent anchor fitting buckle is bolt, screw or pin.
Described front fork bottom is equipped with main clip front fork buckle, and described main clip front fork buckle is provided with the head of similar circle.
Described back vent assembly is equipped with main clip back vent buckle, and described main clip back vent buckle is provided with has elastomeric " C " or " U " font groove.
Described main clip front fork buckle and main clip back vent buckle adopt special plastic cement buckle.
Described vehicle seat connects by seat Guan Yuzhong pipe, and described seat pipe can run through middle Guan Bingneng and move up and down therein.
This folding bicycle folding mode is as follows:
At first the back vent anchor fitting is unclamped from back vent anchor fitting buckle, the back vent assembly is rotated to the crossbeam below around the back vent rotating shaft.Then, unclamp the front fork pressing plate, and the handle of pulling front fork safety gear, extract and pull pin, so that the front fork bottom rotates backward around the front fork rotating shaft.During rotation, main clip front fork buckle is slipped in the groove at main clip back vent buckle middle part.
At this moment, unclamp Fixture for tube of seat, make under the seat pipe and slide to terminal kiss the earth position, and play simultaneously the fixedly effect of back vent assembly, again pin Fixture for tube of seat, it is fixing that seat is in control.At last, the first riser upper of folded bicycle makes it to be positioned at the side, and adjusts handlebar angle.So far, folding finishing.
This folding bicycle expansion mode is as follows:
At first launch the first riser upper of car, and adjust handlebar angle.Unclamp afterwards Fixture for tube of seat, extract the seat pipe out, make it end and highly be higher than the back vent assembly, again pin Fixture for tube of seat, the permanent seat pipe.
Afterwards, upwards mention car load, under Action of Gravity Field, main clip front fork buckle can travel forward and skid off from main clip back vent buckle, and the back vent assembly is done clickwise around the back vent rotating shaft.At this moment, the back vent anchor fitting relies on self elasticity pinning back vent anchor fitting buckle, and the back vent assembly is reliably fixed.
Pull with hand the handle of front fork safety gear, extract and pull pin, so that the front fork bottom enters expanded position, and adjust the front fork pressing plate and enter the fixed position, front fork bottom and front fork top are reliably fixed.
Compared with prior art, the utlity model has following beneficial effect:
When one, the utility model is folding, the back vent assembly rotates to the crossbeam below around the back vent rotating shaft, the front fork bottom rotates backward around the front fork rotating shaft, main clip front fork buckle is slipped in the groove at main clip back vent buckle middle part, unclamp Fixture for tube of seat, make under the seat pipe and slide to terminal kiss the earth position, and play simultaneously the fixedly effect of back vent assembly, again pin Fixture for tube of seat, it is fixing that seat is in control.At last, the first riser upper of folded bicycle makes it to be positioned at the side, and adjusts handlebar angle.So far, folding finishing.After having folded, the back vent assembly is positioned at the vehicle frame side, makes volume after folding little, is convenient to deposit and carry, and folding convenient is quick simultaneously.
Two, it is folding that the utility model vehicle frame does not carry out zigzag, also do not adopt secondary drive, have simple in structure, the characteristics that manufacturability is strong.
Three, the utility model vehicle frame does not fold, so that the rigidity of vehicle frame is better, the traveling comfort that drives is higher.
Four, the utility model car load driving system all is positioned on the back vent assembly, and the burden degree of chain can not change the problem of the chain that can not fall when therefore folding.
Five, after the utility model folded and finishes, the back vent assembly was realized fixing by the seat pipe, did not need additional assemblies to participate in, and can reduce number of parts, improved productivity.
Six, the design of this folding bicycle geometric data meets the technical requirements of current all bicycle transmission system manufacturers, can unrestrictedly select any transmission component, has practical characteristics.
When seven, car load launched, back vent anchor fitting and back vent anchor fitting buckle had the characteristic that automatically locks, and had ingenious, simple in structure, the practical characteristics of design, and facility quick for installation can be avoided the potential safety hazard that adopts manual fixed installation to exist simultaneously.
When eight, car load launched, main clip front fork buckle can skid off from main clip back vent buckle automatically along track, need not manually to untie buckle, can avoid make dirty hand and save duration of run of user.
Nine, front fork of the present utility model has been provided with independently safety gear, with front fork fixing device generation interaction relation, does not have good safety.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that the utility model back vent assembly folds structural representation when putting in place.
Fig. 3 is the structural representation after the utility model folds.
Fig. 4 is the structural representation of the utility model the second fold mechanism.
Fig. 5 is the structural representation of the utility model back vent anchor fitting.
Fig. 6 is the utility model master clip front fork buckle and main clip back vent buckle structure scheme drawing.
Mark among the figure: 1 is the front fork bottom, and 2 is the front fork pressing plate, and 3 is front fork top, 4 is the front fork rotating shaft, and 5 is the front fork safety gear, and 6 is head tube, 7 is the first standpipe of car bottom, and 8 is the first riser upper of car, and 9 is crossbeam, 10 is the crossbeam lower support, and 11 is middle pipe, and 12 is the seat pipe, 13 is the back vent anchor fitting, and 14 is back vent anchor fitting buckle, and 15 is the back vent assembly, 16 is chain wheel, 17 is the back vent rotating shaft, and 18 is chain, and 19 is main clip back vent buckle, 20 is main clip front fork buckle, 21 is Fixture for tube of seat, and 22 is the Front Derailleur fixed support, and 23 is handlebar, 24 are the fluting spring leaf, and 25 is the spring leaf anchor fitting.
The specific embodiment
The utility model will be further described below in conjunction with the drawings and the specific embodiments.
A kind of folding bicycle, mainly comprise vehicle frame, the first standpipe of car, handlebar (23), front fork top (3), front fork bottom (1), vehicle seat, seat pipe (12), back vent assembly (15), back vent rotating shaft (17), chain wheel (16), foot-operated, wheel, vehicle frame comprises head tube (6), crossbeam (9), crossbeam lower support (10) and middle pipe (11), the upper end of head tube (6) is connected with handlebar (23) by the first standpipe of car, and the lower end of the first standpipe of car is provided with the first fold mechanism; The lower end of head tube (6) is connected with front fork top (3), is provided with the second fold mechanism between front fork top (3) and the described front fork bottom (1); Middle pipe (11) is provided with back vent anchor fitting (13); Back vent assembly (15) is provided with the back vent anchor fitting buckle (14) that is used with described back vent anchor fitting (13); Back vent rotating shaft (17) is installed in described middle pipe (11) lower end by support; Chain wheel (16) is hinged by support plate and described back vent rotating shaft (17).
The first fold mechanism adopts bundle substructure or hinge folding mechanism.
The second fold mechanism comprises front fork pressing plate (2), front fork rotating shaft (4) and front fork safety gear (5); Front fork pressing plate (2) is provided with handwheel, and front fork pressing plate (2) can move forward and backward by handwheel; Front fork rotating shaft (4) is arranged on the rear end of front fork top (3) and front fork bottom (1); Front fork top (3) and front fork bottom (1) are fixing by front fork pressing plate (2) and front fork rotating shaft (4); Front fork safety gear (5) independently has elastomeric pulling pin for what be fixed on front fork top (3).
Back vent anchor fitting (13) is comprised of fluting spring leaf (24) and spring leaf anchor fitting (25), and described fluting spring leaf (24) is fixed on the middle pipe (11) of vehicle frame by described spring leaf anchor fitting (25).
Described spring leaf anchor fitting (25) is bolt, screw, rivet, pin or larynx hoop.Preferentially select bolt to fix.
Described back vent anchor fitting buckle (14) is bolt, screw or pin.Preferentially select bolt.
Described front fork bottom (1) is equipped with main clip front fork buckle (20), and described main clip front fork buckle (20) is provided with the head of similar circle.
Described back vent assembly (15) is equipped with main clip back vent buckle (19), and described main clip back vent buckle (19) is provided with has elastomeric " C " or " U " font groove.
Described main clip front fork buckle (20) and main clip back vent buckle (19) adopt special plastic cement buckle.
Described vehicle seat is connected with middle pipe (11) by seat pipe (12), and described seat pipe (12) can run through middle pipe (11) and can move up and down therein.
The utility model folding mode is:
At first back vent anchor fitting (13) is unclamped from back vent anchor fitting buckle (14), back vent assembly (15) is rotated to crossbeam (9) below around back vent rotating shaft (17).Then, unclamp front fork pressing plate (2), and the handle of pulling front fork safety gear (5), extract latch, so that front fork bottom (1) rotates backward around front fork rotating shaft (5).During rotation, main clip front fork buckle (20) is slipped in the groove at main clip back vent buckle (19) middle part.
At this moment, unclamp Fixture for tube of seat (21), make under the seat pipe (12) and slide to terminal kiss the earth position, and play simultaneously the fixedly effect of back vent assembly (15), again pin Fixture for tube of seat (21), seat pipe (12) is fixed.At last, the first riser upper (8) of folded bicycle makes it to be positioned at the side, and adjusts handlebar (23) angle.So far, folding finishing.
This folded bicycle expansion mode is as follows:
At first launch the first riser upper (8) of car, and adjust handlebar (23) angle.Unclamp afterwards Fixture for tube of seat (21), extract seat pipe (12) out, make it end and highly be higher than back vent assembly (15), again pin Fixture for tube of seat (21), permanent seat pipe (12).
Afterwards, upwards mention car load, under Action of Gravity Field, main clip front fork buckle (20) can travel forward and skid off from main clip back vent buckle (19), and back vent assembly (15) is done clickwise around back vent rotating shaft (17).At this moment, back vent anchor fitting (13) relies on self elasticity pinning back vent anchor fitting buckle (14), and back vent assembly (15) is reliably fixed.
Pull with hand the handle of front fork safety gear (5), extract latch, so that front fork bottom (1) enters expanded position, and adjust front fork pressing plate (2) and enter the fixed position, front fork bottom (1) and front fork top (3) is reliably fixed.
Claims (9)
1. folding bicycle, mainly comprise vehicle frame, the first standpipe of car, handlebar, front fork top, the front fork bottom, vehicle seat, the seat pipe, the back vent assembly, the back vent rotating shaft, chain wheel, vehicle frame comprises head tube, crossbeam, crossbeam lower support and middle pipe, the upper end of head tube is connected with handlebar by the first standpipe of car, the first standpipe of car is provided with the first fold mechanism, the lower end of head tube is connected with front fork top, it is characterized in that: be provided with the second fold mechanism between described front fork top and the described front fork bottom, described middle pipe is provided with the back vent anchor fitting, described back vent assembly is provided with the back vent anchor fitting buckle that is used with described back vent anchor fitting, described back vent rotating shaft is installed in the lower end of described middle pipe by support, and described chain wheel is hinged by support plate and described back vent rotating shaft.
2. folding bicycle according to claim 1 is characterized in that: described the first fold mechanism employing bundle substructure or hinge folding mechanism.
3. folding bicycle according to claim 1, it is characterized in that: described the second fold mechanism comprises front fork pressing plate, front fork rotating shaft and front fork safety gear, described front fork pressing plate is provided with handwheel, and described front fork pressing plate is inclined wedge-shaped, and described front fork pressing plate can move forward and backward by described handwheel; Described front fork rotating shaft is arranged on the rear end of front fork top and front fork bottom; Described front fork top and front fork bottom are fixed by described front fork pressing plate and described front fork rotating shaft; Described front fork safety gear be fixed on front fork top independently have elastomeric pulling pin.
4. folding bicycle according to claim 1 is characterized in that: described back vent anchor fitting is comprised of fluting spring leaf and spring leaf anchor fitting, and described fluting spring leaf is fixed on the middle pipe of vehicle frame by described spring leaf anchor fitting.
5. folding bicycle according to claim 4, it is characterized in that: described spring leaf anchor fitting is bolt, screw, rivet, pin or larynx hoop.
6. folding bicycle according to claim 4, it is characterized in that: described back vent anchor fitting buckle is bolt, screw or pin.
7. folding bicycle according to claim 1, it is characterized in that: described front fork bottom is equipped with main clip front fork buckle, and described main clip front fork buckle is provided with the head of similar circle.
8. folding bicycle according to claim 1, it is characterized in that: described back vent assembly is equipped with main clip back vent buckle, and described main clip back vent buckle is provided with has elastomeric " C " or " U " font groove.
9. folding bicycle according to claim 1 is characterized in that: described vehicle seat connects by seat Guan Yuzhong pipe, and described seat pipe can run through middle Guan Bingneng and move up and down therein.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220431865 CN202827931U (en) | 2012-08-29 | 2012-08-29 | Folding bicycle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220431865 CN202827931U (en) | 2012-08-29 | 2012-08-29 | Folding bicycle |
Publications (1)
Publication Number | Publication Date |
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CN202827931U true CN202827931U (en) | 2013-03-27 |
Family
ID=47939696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201220431865 Expired - Fee Related CN202827931U (en) | 2012-08-29 | 2012-08-29 | Folding bicycle |
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CN (1) | CN202827931U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103587626A (en) * | 2013-11-23 | 2014-02-19 | 刘晔 | Folding bicycle |
CN106005196A (en) * | 2016-07-18 | 2016-10-12 | 吴清山 | Foldable bicycle |
-
2012
- 2012-08-29 CN CN 201220431865 patent/CN202827931U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103587626A (en) * | 2013-11-23 | 2014-02-19 | 刘晔 | Folding bicycle |
CN106005196A (en) * | 2016-07-18 | 2016-10-12 | 吴清山 | Foldable bicycle |
CN106005196B (en) * | 2016-07-18 | 2019-04-05 | 吴清山 | A kind of folding bicycle |
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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: 20130327 Termination date: 20130829 |