CN101746463B - Foldable bicycle - Google Patents
Foldable bicycle Download PDFInfo
- Publication number
- CN101746463B CN101746463B CN 200810183185 CN200810183185A CN101746463B CN 101746463 B CN101746463 B CN 101746463B CN 200810183185 CN200810183185 CN 200810183185 CN 200810183185 A CN200810183185 A CN 200810183185A CN 101746463 B CN101746463 B CN 101746463B
- Authority
- CN
- China
- Prior art keywords
- main car
- car frame
- handlebar
- movable main
- shock absorber
- 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
Links
Images
Landscapes
- Motorcycle And Bicycle Frame (AREA)
Abstract
The invention discloses a foldable bicycle, which includes handlebars, handlebar pipes, a main frame, a pedal mechanism, a movable seat post, a front wheel and a back wheel, as well as a chain transmission mechanism. The handlebars are connected by a spring; the inner expansion pieces of the handlebars are arranged in the handlebars, and are movably connected with the handlebar pipes.
Description
Technical field
The present invention relates to a kind of bicycle, a kind of specifically Folding Bicycle.
Background technology
Bicycle is as a kind of short distance running vehicle; In the city and the rural area obtained widespread use; People meet the current location of automobile inconvenience in going out to handle affairs or travel on the way, hoping has Russia's folding bicycle of carrying can supply to ride instead of walk very much, in addition; The not spacious people of living conditions hope that also bicycle can avoid losing by folding storage, and existing folding bicycle often can not be promoted owing to there are some defectives; Need instrument when folding, volume after folding is big, inconvenience is carried, and wants bolt together after the expansion, on the bolt tightly then not firm, go up to such an extent that the inconvenient again and existing folding bicycle of tension can not fold handlebar.Folding bicycle is frequent chain-taking when folding.Existing bicycle also all be can only about folding, also can not inwardly not fold at present.
Summary of the invention
The purpose of this invention is to provide a kind of tool free is collapsible folding bicycle, solves the folding problem of folding bicycle handlebar.
Another object of the present invention provides the telescopic folding bicycle of a kind of main car frame, solves the folding bicycle main car frame and is difficult for flexible problem.
Another object of the present invention provides the flexible more failure-free folding bicycle of a kind of main car frame.
Another object of the present invention provide a kind of when bicycle folding the caducous problem of chain.
The technical solution adopted for the present invention to solve the technical problems is:
Folding bicycle comprises handlebar, handlebar tube, vehicle frame, pedal mechanism, sliding seat bar, front and back wheel, chain drive, connects through spring between the handlebar, is provided with pipe expansion joint in the handlebar in the handlebar, pipe expansion joint and handlebar tube automatic butt in the handlebar.
Pipe expansion joint is connected and composed by spring, convexity in the said handlebar, this convexity be arranged in the handlebar groove and with handlebar tube on handlebar tube water jacket buckle automatic butt.
Said vehicle frame is a triangular shape, and this vehicle frame comprises main car frame, back vent, movable main car frame, flexible crossbeam, positioning tie bar, speed-changing gear box, Shock absorber, sliding seat bar, preceding pipe; Main car frame and preceding pipe are rigidly connected; Movable main car frame shows the L shaped of upset, and one section and preceding pipe are articulated and connected; Thereby movable main car frame is to be provided with flexible crossbeam in hollow structure and its to form staggered floor construction, and movable main car frame is movably hinged with self folding seat through flexible crossbeam and is connected, this flexible crossbeam reciprocal fore and aft motion in hollow staggered floor construction; Speed-changing gear box is arranged on the main car frame; Back vent is movably hinged on main car frame; Shock absorber is arranged on the back vent; Movable main car frame is identical with the position that is articulated and connected of sliding seat bar and Shock absorber with the position that is articulated and connected of Shock absorber.Because back vent is movably hinged on main car frame, when movable main car frame is folding, just drive Shock absorber like this, self folding seat moves towards the bottom of main car frame.The crossbeam that when movable main car frame folds, will stretch gos deep into simultaneously self folding seat being fixed in the groove in the hollow structure of movable main car frame fully, so just can reduce vehicle frame single-piece volume.In order to make the vehicle frame integral structure firm, the pattern that can preceding pipe and main car frame also can be made of one.
Another section of said movable main car frame is articulated and connected with Shock absorber and this end is provided with groove, and this groove blocks self folding seat when being used for folding.
Said sliding seat bar is under the domination of flexible crossbeam, and is required according to the rider, can make flexible crossbeam position, any point on movable main car frame pass through the latching device fixing and locking, to regulate optimum reelability quality.
Saidly between movable main car frame and main car frame ground frame, be provided with positioning tie bar, this positioning tie bar comprises two iron plates, wherein the two ends of an iron plate and another iron plate active link.
Said chain drive comprises initiatively wheel disc, rear drive sprocket, two gear stages; Between active wheel disc and rear drive sprocket, be provided with two gear stages; Two gear stages comprise secondary bull wheel, secondary steamboat and the little axis of secondary; Secondary bull wheel and secondary steamboat are the consubstantiality two-wheel, and are assemblied on the little axis of secondary, and the little axis of secondary is fixed on the speed-changing gear box; Initiatively wheel disc has the first grade transmission chain bar to be connected with the secondary steamboat, and rear drive sprocket is connected by the second grade transmission chain bar with the secondary bull wheel.
Said main car frame also is provided with shelf, and these shelf are that two movable iron plates connect through loose-leaf.
The invention has the beneficial effects as follows:
1. owing to connect through spring between the handlebar, be provided with pipe expansion joint in the handlebar in the handlebar, pipe expansion joint and handlebar tube flexibly connect in the handlebar.Handlebar through the convexity on it be buckled on the handlebar tube on groove in, when thinking Foldable handlebar, just can make handlebar break away from the handlebar tube water jacket towards direction motion, thereby realize that handlebar folds these need 0.5 second away from handlebar tube with protruding.When opening handlebar, handlebar is moved up to the summit, pipe expansion joint is inserted in the groove through action of the spring automatically, and such process is more convenient, only needs 0.2 second, and need not to lock again, and is very firm.
2. because main car frame is a hollow structure; Also be provided with one section and the flexible crossbeam of sliding seat bar bonded assembly in it; Should when seat is folding, can stretch in the cavity of movable main car frame fully by flexible crossbeam; Volume after main car frame can easily fold and be folding is obviously very little like this, because main car frame is a triangular frame, like this than having more impact resistance on the market vehicle frame.
3. because chain drive is between active wheel disc and rear drive sprocket, to be provided with two gear stages; When handlebar tube is folding, do not influence whole drive system like this; Because therefore the effect of variable gear has dwindled the diameter of fluted disc and spacing of shortening back rotary flywheel, so chain can not come off.
4. because folding means of the present invention all is folding through inwardly, thus this car body can inwardly fold, thereby more save the space.
5. because vehicle frame of the present invention and other parts all are through being articulated and connected, and it is convenient to open vehicle frame like this, only needs 1 second, need not locking, car load is folding to need only 10-15 second, on the automatic lock, can arbitrarily not unclamp.Folding clothes, the little floor up and down that also is easy to carry of volume of pasting of the maximum characteristics of this bicycle.
Description of drawings
Fig. 1 is the structural representation of handlebar of the present invention;
Fig. 2 is the structural representation sketch of vehicle frame of the present invention;
Fig. 3 is the scheme drawing of chain drive of the present invention;
Among the figure: 1. handlebar, 11. handlebar inside grooves, 12. convexities, pipe expansion joint in 13. handlebars, 2. handlebar tube, 22. grooves; 23. handlebar tube water jacket 3. main car frames, 31. back vents, 32. movable main car frames, 33. flexible crossbeams, 34. positioning tie bars; 35. speed-changing gear box, 36. Shock absorbers, 37. preceding pipes, 4. sliding seat bar, 5. active wheel disc; 6. rear drive sprocket, 7. two gear stages, 71. secondary bull wheels, 72. secondary steamboats, the little axis of 73. secondarys.
Concrete occupation mode
As shown in Figure 1, be provided with pipe expansion joint 13 in the handlebar in the handlebar 1, pipe expansion joint 13 closed at both ends and by spring in this handlebar; Protruding 12 connect and compose, and the convexity 12 of pipe expansion joint 13 is protruded along handlebar inside groove 11 relevant positions in the handlebar, when wanting to open handlebar 1; Handlebar 1 is moved up to the summit, and pipe expansion joint 13 meeting automatic butt are buckled in convexity 12 in the handlebar tube water jacket 23 simultaneously in the handlebar; Because handlebar tube water jacket 23 has blocked handlebar 1 because of action of gravity moves downward, and such process is more convenient, only need 0.2 second like this; And need not to lock again, very firm.When thinking folded bicycle handle 1, moved away from the direction of handlebar tube 2 in protruding 12 edges, because broken away from handlebar tube water jacket 23 this moment protruding 12; Like this under the effect of gravity; Handlebar 1 just can fold, and this process only use takes 0.5 second time, so the operating time is short.
As shown in Figure 2, vehicle frame is a triangular shape, and this vehicle frame comprises main car frame 3, back vent 31, movable main car frame 32, flexible crossbeam 33, positioning tie bar 34, speed-changing gear box 35, Shock absorber 36, sliding seat bar 4, preceding pipe 37; Main car frame 3 is rigidly connected as adopting welding connecting mode to be connected with preceding pipe 37, and movable main car frame 32 shows the L shaped of upset, and one section and preceding pipe 37 are articulated and connected, and another section is articulated and connected with Shock absorber 36 and this section is provided with groove towards the face of self folding seat.This groove blocks self folding seat when being used for folding.Movable main car frame 32 is provided with flexible crossbeam 33 in hollow structure and its, and movable main car frame 32 is articulated and connected with self folding seat 4 through flexible crossbeam 33, this flexible crossbeam 33 reciprocal fore and aft motion in hollow structure.Speed-changing gear box 35 is arranged on the main car frame 3, and back vent 31 is articulated on the main car frame 3, and Shock absorber 36 is arranged on the back vent 31, and movable main car frame 32 and Shock absorber 36 position and sliding seat bar 4 and Shock absorber 36 position that is articulated and connected that is articulated and connected is identical.Because back vent 31 is articulated on the main car frame 3, when movable main car frame 32 is folding, just drive Shock absorber 36 like this, self folding seat 4 moves towards the bottom of main car frame 3.The crossbeam 33 that when movable main car frame 32 folds, will stretch gos deep into simultaneously self folding seat 4 being fixed in the groove in the hollow structure of movable main car frame 32 fully, so just can reduce vehicle frame single-piece volume.In order to make the vehicle frame integral structure firm, the pattern that can preceding pipe 37 and main car frame 3 also can be made of one.
When wanting that opening bicycle uses, flexible crossbeam 33 is stretched along movable main car frame 32 opposite directions.For can better control activity main car frame 32 with the distance of main car frame 3; Thereby make comfortable being sitting on the self folding seat 4 of rider's ability; Between movable main car frame 32 and main car frame 3, be provided with positioning tie bar 34, this positioning tie bar 34 comprises two iron plates, and an end of two iron plates all connects to ground; The mutual active link of the other end, as adopt will top iron plate two be arranged in the groove of following iron plate end as bearing with spool be articulated and connected.When the telescopic location of flexible crossbeam 33 is confirmed the back use latching device crossbeam fixing and locking on position, any point on the movable main car frame that will stretch.
For the volume that can fold the back bicycle further dwindles, can the shelf of bicycle be designed to two movable iron plates through loose-leaf bonded assembly structure.
As shown in Figure 3, chain drive comprises initiatively wheel disc 5, rear drive sprocket 6, two gear stages 7; Between active wheel disc 5 and rear drive sprocket 6, be provided with two gear stages 7; Two gear stages 7 comprise the little axis 73 of secondary bull wheel 71, secondary steamboat 72 and secondary; Secondary bull wheel 71 is the consubstantiality two-wheel with secondary steamboat 72, and is assemblied on the little axis of secondary 73, and the little axis 73 of secondary is fixed on the speed-changing gear box 35; Initiatively wheel disc 5 has the first grade transmission chain bar to be connected with secondary steamboat 72, and rear drive sprocket 6 is connected by the second grade transmission chain bar with secondary bull wheel 71.Be that vehicle frame is to rotate round active wheel disc 5 and two gear stages 7 when bicycle folding, do not drive rear drive sprocket 6, thereby can solve the problem that folding bicycle is prone to chain-taking.
The present invention uses the interior pipe expansion joint 13 of handlebar that handlebar 1 is fixed on the handlebar tube 2; Its fixed form can adopt and be stuck in the groove 22; Also can adopt alternate manner is that handlebar 1 is fixed on the handlebar tube 2; Also be arranged on convexity like corresponding position on handlebar tube 2, make this convexity block convexity 12 on the handlebar 1 and make it can landing.So long as utilized pipe expansion joint 13 in the handlebar of the present invention, then just belong within protection scope of the present invention.Vehicle frame of the present invention is a triangular shape, also can be other shape, so long as be provided with flexible crossbeam 33 in the movable main car frame 32, then all belongs within the protection of the present invention.
More than through the specific embodiment principle of the present invention has been described, obviously, those of ordinary skill in the art can do various improvement to the present invention on the basis of above instruction, distortion is equal to replacement and waits and do not break away from the principle and scope of the present invention.
Claims (7)
1. folding bicycle; Comprise handlebar, handlebar tube, vehicle frame, pedal mechanism, sliding seat bar, front and back wheel, chain drive; Connect through spring between the handlebar, be provided with pipe expansion joint in the handlebar in the handlebar, pipe expansion joint and handlebar tube automatic butt in the handlebar; It is characterized in that: said vehicle frame is a triangular shape, and this vehicle frame comprises main car frame, back vent, movable main car frame, flexible crossbeam, positioning tie bar, speed-changing gear box, Shock absorber, sliding seat bar, preceding pipe; Main car frame and preceding pipe are rigidly connected; Movable main car frame shows the L shaped of upset, and an end and the preceding pipe of movable main car frame are articulated and connected; Thereby movable main car frame is to be provided with said flexible crossbeam in hollow structure and its to form staggered floor construction, and movable main car frame is movably hinged with self folding seat through said flexible crossbeam and is connected, this flexible crossbeam reciprocal fore and aft motion in hollow staggered floor construction; Speed-changing gear box is arranged on the main car frame; Back vent is movably hinged on main car frame; Shock absorber is arranged on the back vent; Movable main car frame is identical with the position that is articulated and connected of sliding seat bar and Shock absorber with the position that is articulated and connected of Shock absorber, and said positioning tie bar is arranged between movable main car frame and the main car frame.
2. according to the described folding bicycle of claim 1, it is characterized in that: pipe expansion joint is connected and composed by said spring, convexity in the said handlebar, this convexity be arranged in the handlebar groove and with handlebar tube on handlebar tube water jacket buckle automatic butt.
3. according to the described folding bicycle of claim 2, it is characterized in that: the other end of said movable main car frame and Shock absorber are articulated and connected and this end is provided with groove, and this groove blocks self folding seat when folding.
4. according to the described folding bicycle of claim 2, it is characterized in that: pipe and main car frame all-in-one-piece pattern before said.
5. according to the described folding bicycle of claim 2, it is characterized in that: between movable main car frame and main car frame, be provided with said positioning tie bar, this positioning tie bar comprises two iron plates, and an end of two iron plates all connects to ground, the mutual active link of the other end.
6. according to the described folding bicycle of claim 2, it is characterized in that: back vent also is provided with shelf, and these shelf are that two movable iron plates connect through loose-leaf.
7. according to the described folding bicycle of claim 1, it is characterized in that: chain drive comprises initiatively wheel disc, rear drive sprocket, two gear stages; Between active wheel disc and rear drive sprocket, be provided with two gear stages; Two gear stages comprise secondary bull wheel, secondary steamboat and the little axis of secondary; Secondary bull wheel and secondary steamboat are the consubstantiality two-wheel, and are assemblied on the little axis of secondary, and the little axis of secondary is fixed on the speed-changing gear box; Initiatively wheel disc has the first grade transmission chain bar to be connected with the secondary steamboat, and rear drive sprocket is connected by the second grade transmission chain bar with the secondary bull wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810183185 CN101746463B (en) | 2008-12-15 | 2008-12-15 | Foldable bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810183185 CN101746463B (en) | 2008-12-15 | 2008-12-15 | Foldable bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101746463A CN101746463A (en) | 2010-06-23 |
| CN101746463B true CN101746463B (en) | 2012-12-12 |
Family
ID=42474234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810183185 Expired - Fee Related CN101746463B (en) | 2008-12-15 | 2008-12-15 | Foldable bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101746463B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102199381B1 (en) * | 2013-12-05 | 2021-01-06 | 엘지전자 주식회사 | Air cleaner for air conditioner |
| CN104960615B (en) * | 2015-03-18 | 2018-01-09 | 苏州速蝶科技有限公司 | A kind of folding handles |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB216367A (en) * | 1923-06-26 | 1924-05-29 | Klaas De Vries Czn | Foldable handle-bar for cycles and motor cycles |
| CN2839097Y (en) * | 2005-10-13 | 2006-11-22 | 孙云南 | Bi-directional folded bicycle handle bar |
| CN1962352A (en) * | 2006-11-28 | 2007-05-16 | 李奇光 | Bicycle double-folding handlebar |
| CN201334082Y (en) * | 2008-12-15 | 2009-10-28 | 李梓强 | Folding bike |
-
2008
- 2008-12-15 CN CN 200810183185 patent/CN101746463B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB216367A (en) * | 1923-06-26 | 1924-05-29 | Klaas De Vries Czn | Foldable handle-bar for cycles and motor cycles |
| CN2839097Y (en) * | 2005-10-13 | 2006-11-22 | 孙云南 | Bi-directional folded bicycle handle bar |
| CN1962352A (en) * | 2006-11-28 | 2007-05-16 | 李奇光 | Bicycle double-folding handlebar |
| CN201334082Y (en) * | 2008-12-15 | 2009-10-28 | 李梓强 | Folding bike |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101746463A (en) | 2010-06-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201005200Y (en) | Tension rod case type assembled folding vehicle | |
| CN103407537A (en) | Folding electric vehicle | |
| CN101746463B (en) | Foldable bicycle | |
| CN201120935Y (en) | Expansion type box-shaped folding car | |
| CN104002905A (en) | Load-bearing and mud-removing integrated carbon fiber transformable bicycle | |
| CN201334082Y (en) | Folding bike | |
| CN201694329U (en) | Small-wheel-diameter portable bicycle capable of being folded vertically | |
| CN203698548U (en) | Loading and mud removing integrated carbon fiber deformation bicycle | |
| CN207809642U (en) | Bicycle folding mechanism | |
| CN204173108U (en) | circular portable folding bicycle | |
| CN203780706U (en) | Novel folding type scooter | |
| CN214029000U (en) | Stable in structure's folding electric scooter | |
| CN202641792U (en) | Multipurpose gravity self-locking baby carriage | |
| CN105416483B (en) | Minitype folding electric bicycle | |
| CN205311797U (en) | Can have concurrently flexiblely and folding bicycle frame structure | |
| CN204548357U (en) | A kind of improved type launches the foldable luggage trolley that can form bicycle | |
| CN204567919U (en) | A kind of luggage barrow type forerunner folding tricycle | |
| CN208585369U (en) | Folding bicycle | |
| CN206569191U (en) | A kind of recumbent bicycle with Ackermann steering gear structure | |
| CN201176164Y (en) | Novel folding four-wheel perambulator | |
| CN201566767U (en) | Folding carriage of two-wheel vehicle | |
| CN201009922Y (en) | Folding type three-wheeled bassinet | |
| CN206456496U (en) | A kind of tricycle damper crotch | |
| CN101700800B (en) | Folding carriage of two-wheel vehicle | |
| CN205737872U (en) | A kind of tricycle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20211215 |