CN103802997A - Folding bicycle - Google Patents
Folding bicycle Download PDFInfo
- Publication number
- CN103802997A CN103802997A CN201210441032.6A CN201210441032A CN103802997A CN 103802997 A CN103802997 A CN 103802997A CN 201210441032 A CN201210441032 A CN 201210441032A CN 103802997 A CN103802997 A CN 103802997A
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- vehicle frame
- brake
- raker
- applying handle
- main body
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Abstract
Provided is a folding bicycle. According to the folding bicycle, a rear frame unit and a seat post unit are hinged to a frame body, a first rotation limiting mechanism and a second rotation limiting mechanism are arranged on the seat post unit and the rear frame unit relative to the frame body respectively, and braking of the first rotation limiting mechanism and braking of the second rotation limiting mechanism are carried out by the same brake handle.
Description
Technical field
The present invention relates to a kind of bicycle that can be longitudinal folding fast.
Background technology
Bicycle is one of the most universal vehicle, because bicycle quantity is more and more and cycle frame volume is larger, bicycle parking is relatively taken up space, so some present bicycles can fold, but it is pretty troublesome that present folding bicycle is folded up, and the very effort that operates also.
As Chinese invention disclosed patent CN101808886A, it has greatly reduced folding step, but its patent structure complexity, cost is higher, and in addition, the volume after it is folding is still very large, for folding having little significance.
Therefore, the invention provides a kind of folding fast, and cost is low, simple in structure, and the relatively little folding bicycle of volume after folding.
Summary of the invention
The object of the invention is to be to provide a kind of can fast folding and the less folding bicycle of floor area.
A kind of folding bicycle of the present invention, thereafter vehicle frame unit and seat pipe unit and main body of vehicle frame hinge, wherein, described seat pipe unit and rear vehicle frame unit are respectively arranged with the first rotating and limiting mechanism and the second rotating and limiting mechanism with respect to described main body of vehicle frame, wherein, described the first rotating and limiting mechanism and the second rotating and limiting mechanism are braked by same brake-applying handle.
Described brake-applying handle and described seat pipe unit chain connection, described brake-applying handle is provided with first and second working position of braking respectively first and second rotating and limiting mechanism in its rotary motion trace.
The line of centers of the relatively described main body of vehicle frame of girder part of described main body of vehicle frame has certain skew.
The hinge axis of described seat pipe unit and described main body of vehicle frame is with respect to vehicle frame center out of plumb.
Described brake-applying handle and described seat tube portion are provided with the stop bit end that restriction brake-applying handle rotates.
Described seat pipe unit is provided with the keep-spring that the described brake-applying handle of restriction rotates.
Described seat pipe unit is hinged with the first raker, the first raker fixes by a connecting rod and brake-applying handle, described main body of vehicle frame is provided with the first screens axle that matches with the first raker, the second raker is arranged at main body of vehicle frame one side, and described rear vehicle frame unit is provided with the second screens axle matching with the second raker; Wherein, the connecting rod fixing with the first raker and described brake-applying handle is provided with the protruding axle of the braking acting on mutually with the second raker.
Described seat pipe unit and described main body of vehicle frame form a folding joint, the formation coordination projection of folding not hinged one end under closure state, and described rear vehicle frame unit forms the coordination groove that can match with coordination projection; A hinged described brake-applying handle on described seat pipe unit, one end of described brake-applying handle forms the hook position end that can match with the first stop bit projection on described rear vehicle frame.
Raker of described seat pipe unit upper hinge and a described brake-applying handle, and the second stop bit projection of the hook position end of described brake-applying handle and described rear vehicle frame unit cooperatively interacts, and raker and brake-applying handle have the coordination structure of mutual transmission.The head tube part of described vehicle frame body is provided with a handle.
By folding provided by the invention, only need to pull a handle just can make to sit pipe unit and back vent part folds simultaneously, reach the effect of fast folding.Meanwhile, of the present invention simple in structure, cost is relatively low.And the bicycle floor area after folding is less, and the outstanding handle in head tube place is just the physiology engineering height that people's stance is set about, and is applicable to the operation of user under promotion state.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation when embodiment mono-folding bicycle is not folding in the present invention;
Accompanying drawing 2 is embodiment mono-folding bicycle structural representations after folding in the present invention;
Accompanying drawing 3 is structural representations that in the present invention, embodiment mono-folding bicycle is overlooked;
Accompanying drawing 4 is spatial structure decomposing schematic representations of the fold mechanism in the embodiment of the present invention one;
Accompanying drawing 5 is folding process schematic diagrams of the fold mechanism in the embodiment of the present invention one;
Accompanying drawing 6 is a kind of perspective view of a kind of fold mechanism of the embodiment of the present invention;
The folding process schematic diagram of the fold mechanism in accompanying drawing 7 embodiment of the present invention two;
The folding process schematic diagram of the fold mechanism in accompanying drawing 8 embodiment of the present invention three.
The specific embodiment
Embodiment mono-, with reference to Fig. 1 and Fig. 2,
Main body of vehicle frame 1 and rear vehicle frame unit 2 one sides are hinged, opposite side connects by the first stop gear, with this limit rear vehicle frame unit 2 relatively with the folding of main body of vehicle frame 1, simultaneously, main body of vehicle frame one end is hinged with one end of sitting pipe unit 3, the other end connects by the second stop gear, limit and sit pipe unit 3 folding with respect to main body of vehicle frame 1 with this, under folded state not, the first stop gear makes rear vehicle frame unit 2 with the second stop gear and sits relative and the main body of vehicle frame 1 of pipe unit to keep a stationary state.
Wherein, sit pipe unit 3 and the relative main body of vehicle frame 1 in rear vehicle frame unit 2 and form two independently folding units that can fold.
As Fig. 2 and Fig. 3,
Simultaneously, as Fig. 3, girder 12 parts of main body of vehicle frame have certain skew with respect to main body of vehicle frame line of centers 11, this skew is to place room in order to form one, the placement that this position can hold bicycle sits the folding recoil pad 31 of pipe unit, therefore the skew of this main-beam pipe makes the folding more compact of folding rear bicycle.
In addition, rear vehicle frame unit 2 is provided with two wheels 21, and the part of main body of vehicle frame 1 is provided with at least one wheel 13, and bicycle after folding is formed and the fulcrum on ground by least three wheels.Meanwhile, the head tube part of vehicle frame body is provided with a handle 14.Bicycle after folding by handle 14 promotions at hand-held head tube place, bicycle just can pass through the implementation of three wheels as baggage container, does not conveniently make carrying of person.
As Fig. 4 to Fig. 6, main body of vehicle frame 1 forms a folding joint with sitting pipe unit 3, the first joint 51 and the second joint 53 welding and seat pipe unit 3, the 3rd joint 52 and the 4th joint 54 welding and main body of vehicle frame 1, make to sit pipe unit and main body of vehicle frame is at one end hinged by the first joint and the 3rd joint hinged, one end of the second joint 53 and the 4th joint 54 is connected by the first stop gear.
Wherein, be positioned at hinged first raker 61 of the second joint 53 of sitting pipe unit 3, be positioned on the 4th joint 54 of main body of vehicle frame and form a first screens axle 71 coordinating with raker, in the time that raker blocks the first screens axle 71 on joint, the rotation of folding joint is confined, and sitting the relative main body of vehicle frame 1 of pipe unit 3 is stationary state.
2 one end, rear vehicle frame unit are articulated with main body of vehicle frame one end by hinge axis, and the other end is connected with main car frame by the second stop gear.
Fix shaft 80 on the 4th joint 54 and the first screens axle 71 hold in the groove with the second raker 62, make the second raker 62 to do displacement along the line of centers of two axles, have a second screens axle 22 that can coordinate with the second raker 62 on rear vehicle frame unit 2; In the time that the second raker 62 blocks the second screens axle 22, rear vehicle frame unit is confined with respect to the rotation of main body of vehicle frame, and rear vehicle frame unit 2 relative main body of vehicle frame 1 are stationary states.
Between the first raker 61 and the second joint 53, be provided with torsion spring, make the first raker keep coordinating with the first screens axle 71, between the second raker 62 and the 4th joint 54, be provided with keep-spring 100, make the maintenance coordination of the second raker 62 maintenances and the second screens axle 22.By the effect of torsion spring and keep-spring, make the second stop gear maintenance and main body of vehicle frame 1 stationary state of the first stop gear and rear vehicle frame unit 2 folded parts of sitting pipe unit 3 folded parts.
Connecting rod 82 is fixing with the first raker 61 by the jointed shaft 84 and the side anchor shaft 60 that extend, the opposite side of connecting rod 82 have one to brake protruding axle 83, meanwhile, brake-applying handle 7 is fixed on the first raker 61 by anchor shaft 60;
Rotate by brake-applying handle 7, the torsion of the torsion spring in the first raker 61 releasings and its second joint 53 that makes indirectly to fix with brake-applying handle, make the matching relationship of the first raker 61 releasings and the first screens axle 71, sit pipe unit 3 and be cancelled with respect to the rotary spacing of main body of vehicle frame 1;
Simultaneously, the connecting rod 82 fixing with the first raker 61 is rotated simultaneously, make the protruding axle 83 of connecting rod 82 one end brake the second raker 62 displacements, overcome the second raker and the 4th and connect keep-spring 100 elastic force between 54, the matching relationship that makes the second raker 62 releasings and the second screens axle 22, the rotary spacing of the relative main body of vehicle frame in rear vehicle frame unit is cancelled.Now, sitting pipe unit and main body of vehicle frame rotation-limited relation relative with rear vehicle frame unit while being cancelled, continue the direction braking towards brake-applying handle 7, with reference to Fig. 6, the anchor shaft of connecting rod 82 and the first raker 61 60 can be rotated by the restriction of the stop bit end at the edge of the second joint, is both limited with the rotation of the fixing brake-applying handle of connecting rod, while continuing to brake towards the reversing sense of gravity for brake-applying handle, sit pipe unit and rear vehicle frame unit under the effect of gravity, automatic folding, reaches the object of the invention with this.
Whole bicycle be folded in the folding of folding stand pipe.
Folding rear carriage unit and seat pipe unit by mentioning 7 one steps of brake-applying handle, have completed with vehicle frame unit and have sat the folding of pipe unit in program.Reply while folding, both first seat pipe unit was replied and folded, then replying the folding of back vent part, and under the effect of maintenance torsion spring, making whole vehicle frame be returned to original rigid state.
Embodiment bis-, with reference to Fig. 7.
Keep the relatively-stationary state of a rigidity in order to make to sit pipe unit and rear vehicle frame unit 331, the 5th joint 55 sitting the folding joint that pipe unit forms is welded in main body of vehicle frame 111 parts, and the 6th joint 56 is fixedly welded on seat pipe unit.Wherein, a coordination projection 90 of each protrusion on the not hinged end structure of two joints of folding joint, under folding joint closure state, two ends of folding joint form a coordination projection 90 with tapering, this projection can be contained in rear vehicle frame unit one end coordination groove 91, makes folding joint in relatively closed and locked state.
There is a hinged brake-applying handle 70 on a circle the first stop bit projection 221, the six joints 56 at coordination groove 91 edges of 331 one end, rear vehicle frame unit, and the positive stop end 72 that on the 6th joint 56 and brake-applying handle 70, restricted brake-applying handle 70 rotates.One end of brake-applying handle 70 forms a hook position end 73 and matches with the first stop bit projection 221 on rear vehicle frame.Meanwhile, the hinged place of brake-applying handle 70 and the 6th joint 56 arranges one and keeps torsion spring (not shown in FIG.), coordinates with the maintenance of the first stop bit projection 221 of rear vehicle frame unit for the hook position end 73 of brake-applying handle 70.Like this, rear vehicle frame unit 331 parts are limited with respect to the rotation of main body of vehicle frame 111 parts, keep not folded state; Meanwhile, the coordination groove structure 91 of rear vehicle frame unit side portion matches with the coordination bulge-structure 90 of the 5th joint 56 and the 6th joint 55 ends, makes to sit pipe unit and also keeps not folded state.
Like this, whole vehicle frame structurally keeps the state of a rigidity.
In the time that brake-applying handle 70 is upwards carried (as embodiment mono-), brake-applying handle first overcomes and keeps the limit rotation of torsion spring, and hook position 73 ends of brake-applying handle end are first removed and the coordinating of the first stop bit projection 221 on rear vehicle frame unit; Like this, the restriction that rear vehicle frame unit rotates with respect to main body of vehicle frame part is disengaged; Continue brake-applying handle upwards to mention, due to the positive stop end 72 of the rotation of brake-applying handle and joint, brake-applying handle is limited with respect to the rotation of the 6th joint 56, and then rear vehicle frame unit will turn to below main body of vehicle frame under the effect of gravity; Coordination groove 91 parts of rear vehicle frame unit are disengaged with respect to the limit rotation of folding joint, the folding joint of sitting pipe unit is also rotated thereupon.Like this, with the fixing seat pipe unit of the 6th joint 56 also mentioning and fold into folded state as shown in Figure 2 with brake-applying handle.Whole folding bicycle is completely folding only need be partially folded stem in will be as embodiment mono-.
Other embodiment is identical with embodiment mono-.
Embodiment tri-, with reference to Fig. 8.
The 7th joint 57 of folding joint be welded and fixed with as on the main body of vehicle frame of Fig. 1, another joint the 8th joint 58 is welded and fixed and sits pipe unit as embodiment mono-.Wherein, the 8th raker 66 of joint 58 coaxial hinge and a brake-applying handle 77 (hinge is not subject to coaxial constraint), and positive stop end 78 on positive stop end 79 and brake-applying handle 77 on the 8th joint 58 rotates for limiting brake-applying handle 77.Wherein, the hinge place of raker 66 and the 8th joint 58 is also provided with and keeps torsion spring (not marking in figure), for keeping the relative position of raker and brake-applying handle.One of the end shape of brake-applying handle 77 hooks position end 68, and rear vehicle frame unit forms a second stop bit projection 222; Wherein, the hook position end 68 of brake-applying handle is in order to keep the limit rotation of vehicle frame unit with respect to main body of vehicle frame with the second stop bit coordinating of 222 parts of projection of rear vehicle frame unit.
Wherein, the 7th joint 57 form one with the coordination end 59 of raker 66, raker is being kept under the effect of torsion spring, folding joint keeps relatively closed and locked state.The hook position end 78 of brake-applying handle 77 ends and the second stop bit projection 222 of rear vehicle frame unit have kept the limit rotation of rear vehicle frame unit, make folding being limited of rear vehicle frame unit.
Wherein, at raker, 66 places form two bulge-structures, in order to keep raker can not rotate excessively and cannot reply with respect to joint, one of them bulge-structure 69 be to produce spacing effect with the 8th joint 58 of sitting pipe unit, limits the inordinate rotation of raker 66 with this; Another projection 68 on raker 66 be for brake-applying handle 77 on circular protrusion 99 in releasing process, interact, raker 66 is rotated, reach release object with this.
By pulling brake-applying handle 77, brake-applying handle is removed and the binding force that keeps torsion spring, the hook position end 78 of brake-applying handle 77 ends and the second stop bit projection 222 of rear vehicle frame unit are removed to be coordinated, therefore, the limit rotation of rear vehicle frame unit is disengaged, and pulls in the time of brake-applying handle 77, and the circular protrusion 99 on brake-applying handle acts on the projection 68 on raker, with this with the rotation of raker 66, make folding joint release and remove limit rotation.
Now, the positive stop end 78 that the positive stop end 79 of the 8th joint 58 and brake-applying handle 77 rotate is limited the rotation of brake-applying handle, continues to pull brake-applying handle 77, and rear vehicle frame unit and seat pipe unit will be folded up accordingly.
This operation, by mentioning step of brake-applying handle, has completed rear vehicle frame unit and has sat the folding of pipe unit in program.Reply when folding, both first sit pipe unit reply folding, then vehicle frame unit folding after reply, and keeping, under the effect of torsion spring, making whole vehicle frame be returned to original not folded state.
Other embodiment is identical with embodiment mono-.
Claims (10)
1. a folding bicycle, thereafter vehicle frame unit and seat pipe unit and main body of vehicle frame hinge, wherein, described seat pipe unit and rear vehicle frame unit are respectively arranged with the first rotating and limiting mechanism and the second rotating and limiting mechanism with respect to described main body of vehicle frame, it is characterized in that: described the first rotating and limiting mechanism and the second rotating and limiting mechanism are braked by same brake-applying handle.
2. folding bicycle as claimed in claim 1, is characterized in that: described brake-applying handle and described seat pipe unit chain connection, described brake-applying handle is provided with first and second working position of braking respectively first and second rotating and limiting mechanism in its rotary motion trace.
3. folding bicycle according to claim 1, the line of centers of the relatively described main body of vehicle frame of girder part of described main body of vehicle frame has certain skew.
4. folding bicycle according to claim 1, the hinge axis of described seat pipe unit and described main body of vehicle frame is with respect to vehicle frame center out of plumb.
5. folding bicycle according to claim 1, described brake-applying handle and described seat tube portion are provided with the stop bit end that restriction brake-applying handle rotates.
6. folding bicycle according to claim 1, described seat pipe unit is provided with the keep-spring that the described brake-applying handle of restriction rotates.
7. folding bicycle according to claim 1, described seat pipe unit is hinged with the first raker, the first raker fixes by a connecting rod and brake-applying handle, described main body of vehicle frame is provided with the first screens axle that matches with the first raker, the second raker is arranged at main body of vehicle frame one side, and described rear vehicle frame unit is provided with the second screens axle matching with the second raker; Wherein, the connecting rod fixing with the first raker and described brake-applying handle is provided with the protruding axle of the braking acting on mutually with the second raker.
8. folding bicycle according to claim 1, described seat pipe unit and described main body of vehicle frame form a folding joint, folding not hinged one end forms coordination projection under closure state, and described rear vehicle frame unit forms the coordination groove that can match with coordination projection; Described brake-applying handle of described seat pipe unit upper hinge, one end of described brake-applying handle forms the hook position end that can match with the first stop bit projection on described rear vehicle frame.
9. folding bicycle according to claim 1, raker of described seat pipe unit upper hinge and a described brake-applying handle, and the second stop bit projection of the hook position end of described brake-applying handle and described rear vehicle frame unit cooperatively interacts, and raker and brake-applying handle have the coordination structure of mutual transmission.
10. folding bicycle according to claim 1, the head tube part of described vehicle frame body is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210441032.6A CN103802997A (en) | 2012-11-07 | 2012-11-07 | Folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210441032.6A CN103802997A (en) | 2012-11-07 | 2012-11-07 | Folding bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103802997A true CN103802997A (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210441032.6A Pending CN103802997A (en) | 2012-11-07 | 2012-11-07 | Folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103802997A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002249091A (en) * | 2001-02-23 | 2002-09-03 | Yutaka Nakayama | Folding bicycle by x-frame also used as carrier |
| JP2003237669A (en) * | 2002-02-12 | 2003-08-27 | Jiro Niwa | Folding bicycle |
| KR20110112667A (en) * | 2010-04-07 | 2011-10-13 | (주)엠파워텍 | Foldable bicycle |
| CN202029961U (en) * | 2011-03-17 | 2011-11-09 | 于治勇 | Convenient folding bicycle |
| CN202827930U (en) * | 2011-08-23 | 2013-03-27 | 汪东君 | Folding bicycle |
-
2012
- 2012-11-07 CN CN201210441032.6A patent/CN103802997A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002249091A (en) * | 2001-02-23 | 2002-09-03 | Yutaka Nakayama | Folding bicycle by x-frame also used as carrier |
| JP2003237669A (en) * | 2002-02-12 | 2003-08-27 | Jiro Niwa | Folding bicycle |
| KR20110112667A (en) * | 2010-04-07 | 2011-10-13 | (주)엠파워텍 | Foldable bicycle |
| CN202029961U (en) * | 2011-03-17 | 2011-11-09 | 于治勇 | Convenient folding bicycle |
| CN202827930U (en) * | 2011-08-23 | 2013-03-27 | 汪东君 | Folding bicycle |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140521 |