CN201559763U - Folded structure of bicycle - Google Patents
Folded structure of bicycle Download PDFInfo
- Publication number
- CN201559763U CN201559763U CN2009200746740U CN200920074674U CN201559763U CN 201559763 U CN201559763 U CN 201559763U CN 2009200746740 U CN2009200746740 U CN 2009200746740U CN 200920074674 U CN200920074674 U CN 200920074674U CN 201559763 U CN201559763 U CN 201559763U
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- CN
- China
- Prior art keywords
- vehicle frame
- wheel
- handlebar
- links
- rotary gemel
- 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 relates to a folded structure of a bicycle, including a front vehicle frame, a front wheel bracing column, a vehicle frame rotating shaft, a rear vehicle frame, a front wheel, a rear wheel, a handlebar assembly, a vehicle seat assembly, and a foot pedal assembly connected with the rear vehicle frame, wherein the vehicle frame rotating shaft is a rotary hinge, the front wheel bracing column is formed by nesting an inner rotary shaft and an external casing; the back end of the front vehicle frame is welded the middle of the vehicle frame rotating shaft, and the front end is welded with the external casing of the front wheel bracing column; the lower end of the front wheel bracing column is connected with the front wheel bracing arm fixed on the wheel shaft through the front wheel rotary hinge, and the upper end is connected with the handlebar assembly through the column rotary hinge; the upper and lower ends of the vehicle frame rotating shaft are welded with the front end of the rear vehicle frame, and the upper end is connected with the vehicle seat assembly through the vehicle seat rotary hinge; the back end of the rear vehicle frame is connected with a rotating shaft arranged on the front end of the rear wheel bracing arm, and the back end of the rear wheel bracing arm is embedded with the rear-wheel spindle. The utility model resolves problems of great volume and inconvenience carry of the existing foldable bicycle.
Description
Technical field
The utility model relates to a kind of foldable structure of bicycle.
Background technology
Bicycle is a kind of very convenient healthy vehicle that help again, along with people's environmental consciousness constantly strengthens, everybody when on and off duty and outing all through commonly used it.Though traffic network is flourishing in the big city, can not everyone go out and can directly be multiplied by bus or subway, at this moment can take by bike and the mode that rides in a bus and combine, so promptly save walking to the economic again environmental protection of the time at station.Even can directly arrive the destination by bike, depositing of bicycle also is problem, because the bicycle volume is light, and convenient the pilferage, it is serious to lose the bicycle phenomenon.The folding bicycle that exists on the market still exists volume big now, is inconvenient to carry.
The utility model content
Technical problem to be solved in the utility model is: at the defective that exists in the above-mentioned prior art, but provide the bicycle folding structure of the little fast folding of a kind of volume.
The utility model is achieved in that
A kind of foldable structure of bicycle, comprise front vehicle frame, front-wheel pillar stiffener, vehicle frame S. A., back vehicle frame, front-wheel and trailing wheel, and handlebar assembly, seat ASSY, the foot-operated assembly that links to each other with described back vehicle frame, described vehicle frame S. A. is the rotary gemel of being made up of moving part and fixed part, and described front-wheel pillar stiffener forms by interior S. A. is nested with outer tube; Captive joint with the moving part of described vehicle frame S. A. in the rear end of described front vehicle frame, front end is captiveed joint with the outer tube of described front-wheel pillar stiffener; The lower end of described front-wheel pillar stiffener links to each other with front-wheel hold-down arm on being fixed on front wheel spindle by the front-wheel rotary gemel, and the upper end links to each other with described handlebar assembly by the column rotary gemel; The fixed part of described vehicle frame S. A. is captiveed joint with the front end of described back vehicle frame, and described upper end links to each other with described seat ASSY by the vehicle seat rotary gemel; The rear end of described back vehicle frame links to each other with the S. A. of rear wheel support arm front end, and described rear wheel support arm rear end and hind axle are nested.
The handlebar column socket handlebar sleeve pipe that links to each other with described column rotary gemel in the described handlebar assembly, described handlebar sleeve pipe links to each other with two handlebars by two handlebar rotary gemels.
The vehicle seat column that links to each other with described vehicle seat rotary gemel in the described seat ASSY links to each other with vehicle seat by the perpendicular hinge of horizontal hinge of vehicle seat and vehicle seat respectively.
Foot-operated arm links to each other with foot-operated by foot-operated rotary gemel in the described foot-operated assembly.
The external diameter of described front wheel spindle is greater than described hind axle internal diameter, and described hind axle is hollow form, and the tire external diameter of described front-wheel is greater than the tire internal diameter of described trailing wheel.
The bottom, rear end of described back vehicle frame is provided with tugboat.
The beneficial effects of the utility model:
The utility model adopts the nesting type structure that front-wheel is little, trailing wheel is big, and front-wheel and front-wheel hold-down arm can rotate backward by the front-wheel rotary gemel, fold into level attitude; Trailing wheel and rear wheel support arm can rotate up by the S. A. of rear wheel support arm front end, are laminated to level attitude; Handlebar can be rotated down in the handlebar sleeve pipe by the handlebar rotary gemel, and the handlebar column can stretch in the handlebar sleeve pipe, and handlebar sleeve pipe, handlebar column and handlebar are rotated down by the column rotary gemel, fold into level attitude; Vehicle seat is turned into plumbness downwards by the horizontal hinge of vehicle seat, becomes parallel shape by the perpendicular hinge left-hand revolution of vehicle seat with the back vehicle frame again, and the vehicle seat column is rotated down to level attitude along the vehicle seat rotary gemel; Handlebar assembly was turned over along the vehicle frame S. A. together front and back wheel is nested together before front vehicle frame, front-wheel and front-wheel hold-down arm were related.Bicycle after folding is the box structure of cuboid, and surfacing is convenient for carrying.When the handlebar column was launched, the tugboat of bottom, the rear end of back vehicle frame can move ahead dragging box-type bike by hand buggy.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Description of drawings
Fig. 1 is the structural representation of the foldable structure of the utility model bicycle.
Fig. 2 is the foldable structure scheme drawing of seat ASSY.
Fig. 3 is the structural representation of the utility model after folding.
The specific embodiment
With reference to the accompanying drawings 1～3, a kind of folding bicycle mainly comprises: front-wheel 1, front wheel spindle 2, front-wheel hold-down arm 3, front-wheel rotary gemel 4, front-wheel pillar stiffener 5, column rotary gemel 6, handlebar column 7, handlebar sleeve pipe 8, handlebar rotary gemel 9, handlebar 10, front vehicle frame 11, vehicle seat rotary gemel 12, vehicle seat column 13, vehicle seat 14, back vehicle frame 15, rear wheel support arm 16, S. A. 17, hind axle 18, trailing wheel 19, tugboat 20, foot-operated 21, foot-operated arm 22, vehicle frame rotary gemel 23, foot-operated rotary gemel 24, the horizontal hinge 141 of vehicle seat, the perpendicular hinge 142 of vehicle seat.
The specific embodiment is: front-wheel 1 is installed to front-wheel hold-down arm 3 lower ends by front wheel spindle 2, can realize the purpose that front-wheel 1 rolls around front wheel spindle 2 rotations; Front-wheel pillar stiffener 5 forms by interior S. A. is nested with outer tube, front-wheel hold-down arm 3 upper ends link together by the interior S. A. lower end of front-wheel rotary gemel 4 with front-wheel pillar stiffener 5, so just realized front-wheel hold-down arm 3, front-wheel 1 and front wheel spindle 2 purpose, can realize the function of bicycle normal direction of rotation when deployed condition simultaneously again around front-wheel rotary gemel 4 rotary foldings.The interior S. A. upper end of front-wheel pillar stiffener 5 is hinged by column rotary gemel 6 and handlebar column 7, to realize the rotary folding of handlebar assembly.Handlebar sleeve pipe 8 connects together with handlebar column 7, can realize the function of extending and shortening satisfying the requirement of different height human bodies to the handlebar height; Handlebar 10 is hinged by handlebar rotary gemel 9 and handlebar sleeve pipe 8; When bicycle launched, handlebar 10 was the horizontal development state, and when folding, handlebar 10 screws in the groove of handlebar sleeve pipe 8 around handlebar rotary gemel 9, to reduce space outerpace.The front end weld together of the outer tube of front-wheel pillar stiffener 5 and front vehicle frame 11, front vehicle frame 11 rear ends and vehicle frame rotary gemel 23 intermediate active part weld togethers, the upper and lower fixed part of vehicle frame rotary gemel 23 and back vehicle frame 15 weld togethers have so just been realized front vehicle frame 11 and back vehicle frame 15 purpose around vehicle frame rotary gemel 23 rotary foldings.Seat ASSY by vehicle seat rotary gemel 12 and back vehicle frame 15 upper articulations together, seat ASSY is made up of the perpendicular hinge 142 of vehicle seat column 13, vehicle seat 14, the horizontal hinge 141 of vehicle seat and vehicle seat, vehicle seat 14 is hinged with vehicle seat column 13 by the horizontal hinge 141 of vehicle seat, the perpendicular hinge 142 of vehicle seat, when bicycle is launched, earlier vehicle seat 14 is rotated into the state vertical with back vehicle frame 15 around the perpendicular hinge 142 of vehicle seat, centers on the horizontal hinge 141 of vehicle seat again and be rotated into the purpose that horizontality can realize vehicle seat 14 expansion.Hind axle 18 on trailing wheel 19 and the rear wheel support arm 16 nests together, and trailing wheel 19 can roll around hind axle 18 rotations, realizes the purpose of bicycle walking; S. A. 17 on the rear wheel support arm 16 is hinged with the rear end of back vehicle frame 15; When folding, can realize rear wheel support arm 16, trailing wheel 19 rotary foldings.Foot-operated assembly is installed in the lower end of back vehicle frame 15, and foot-operated assembly is made up of foot-operated 21, foot-operated arm 22 and foot-operated rotary gemel 24, foot-operated 21 and foot-operated arm 22 link together by riding rotary gemel 24; Foot-operated 21 is parallel with foot-operated arm 22 by foot-operated rotary gemel 24 rotary foldings during bicycle folding, to reach the purpose in saving space.Tugboat 20 is installed in the following rear end of back vehicle frame 15.Bicycle can launch handlebar assembly when folded state, drag handlebar, car load is rolled with tugboat 20 tow, and reaches the purpose of saving strength.The external diameter of the front wheel spindle 2 of bicycle is greater than the internal diameter of hind axle 18, and hind axle 18 is hollow form, and the tire external diameter of front-wheel 1 can nest together when folding greater than the tire internal diameter of trailing wheel 19, reaches the purpose of saving the space.
Top embodiment only is used to the utility model is described and is not used in restriction scope of the present utility model that protection domain of the present utility model is described with claims of the present utility model and is as the criterion.Should be understood that in addition change or the modification of replacing various of equal value that those skilled in the art do the utility model falls within the utility model claims institute restricted portion equally after having read the content that the utility model tells about.
Claims (6)
1. the foldable structure of a bicycle, comprise front vehicle frame, front-wheel pillar stiffener, vehicle frame S. A., back vehicle frame, front-wheel and trailing wheel, and handlebar assembly, seat ASSY, the foot-operated assembly that links to each other with described back vehicle frame, it is characterized in that: the rotary gemel of described vehicle frame S. A. for forming by moving part and fixed part, described front-wheel pillar stiffener forms by interior S. A. is nested with outer tube; Captive joint with the moving part of described vehicle frame S. A. in the rear end of described front vehicle frame, front end is captiveed joint with the outer tube of described front-wheel pillar stiffener; The lower end of described front-wheel pillar stiffener links to each other with front-wheel hold-down arm on being fixed on front wheel spindle by the front-wheel rotary gemel, and the upper end links to each other with described handlebar assembly by the column rotary gemel; The fixed part of described vehicle frame S. A. is captiveed joint with the front end of described back vehicle frame, and described upper end links to each other with described seat ASSY by the vehicle seat rotary gemel; The rear end of described back vehicle frame links to each other with the S. A. of rear wheel support arm front end, and described rear wheel support arm rear end and hind axle are nested.
2. the foldable structure of bicycle according to claim 1 is characterized in that: the handlebar column socket handlebar sleeve pipe that links to each other with described column rotary gemel in the described handlebar assembly, described handlebar sleeve pipe links to each other with two handlebars by two handlebar rotary gemels.
3. the foldable structure of bicycle according to claim 1 is characterized in that: the vehicle seat column that links to each other with described vehicle seat rotary gemel in the described seat ASSY links to each other with vehicle seat by horizontal hinge of vehicle seat and the perpendicular hinge of vehicle seat respectively.
4. the foldable structure of bicycle according to claim 1 is characterized in that: ride arm in the described foot-operated assembly and link to each other with foot-operated by foot-operated rotary gemel.
5. the foldable structure of bicycle according to claim 1 is characterized in that: the external diameter of described front wheel spindle is greater than described hind axle internal diameter, and described hind axle is hollow form, and the tire external diameter of described front-wheel is greater than the tire internal diameter of described trailing wheel.
6. the foldable structure of bicycle according to claim 1 is characterized in that: be provided with tugboat bottom the rear end of described back vehicle frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200746740U CN201559763U (en) | 2009-11-12 | 2009-11-12 | Folded structure of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200746740U CN201559763U (en) | 2009-11-12 | 2009-11-12 | Folded structure of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201559763U true CN201559763U (en) | 2010-08-25 |
Family
ID=42624909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200746740U Expired - Fee Related CN201559763U (en) | 2009-11-12 | 2009-11-12 | Folded structure of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201559763U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104709416A (en) * | 2015-03-06 | 2015-06-17 | 刘鹏 | MINI compact type folding electric bicycle |
| CN103223998B (en) * | 2013-05-14 | 2016-03-30 | 何响明 | Rotatable folding vehicle frame |
| CN105711719A (en) * | 2016-04-13 | 2016-06-29 | 江门市易龙实业有限公司 | Foldable electric bicycle |
-
2009
- 2009-11-12 CN CN2009200746740U patent/CN201559763U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223998B (en) * | 2013-05-14 | 2016-03-30 | 何响明 | Rotatable folding vehicle frame |
| CN104709416A (en) * | 2015-03-06 | 2015-06-17 | 刘鹏 | MINI compact type folding electric bicycle |
| CN104709416B (en) * | 2015-03-06 | 2018-01-02 | 刘鹏 | Mini compact type folding formula electric bicycle |
| CN105711719A (en) * | 2016-04-13 | 2016-06-29 | 江门市易龙实业有限公司 | Foldable electric 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: 20100825 Termination date: 20131112 |