CN1586969A - Folding bicycle - Google Patents
Folding bicycle Download PDFInfo
- Publication number
- CN1586969A CN1586969A CN 200410052868 CN200410052868A CN1586969A CN 1586969 A CN1586969 A CN 1586969A CN 200410052868 CN200410052868 CN 200410052868 CN 200410052868 A CN200410052868 A CN 200410052868A CN 1586969 A CN1586969 A CN 1586969A
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- hack lever
- pivot
- backward
- connecting rod
- wheel
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Abstract
The folding bicycle includes main one frame unit and one buckle. The frame unit has one front frame rod and one back frame rod connected together, one front wheel and one back wheel installed separately onto the front frame rod and the back frame rod, and one pivot through the back end of the front frame rod and the front end of the back frame rod, with the pivot and the rotating centers of the front wheel and the back wheel constituting one isosceles triangle. The buckle may position the front and the back frame rod to make them butt connected to form riding state or turn around the pivot to close to the front and the back wheel into parallel folding state.
Description
Technical field
Patent of the present invention relates to a kind of bicycle, be meant especially a kind of can be with the folding bicycle of the mode fast folding that circles round.
Background technology
General Folding Bicycle because of dwindling overall volume, is conveniently carried and is parked, and liked by the customer.But wherein a kind of with the mode folding of bicycle of circling round, can extend the situation that after folding, has forward and backward wheel to interfere mutually because vehicle frame is linear direction, so, must earlier front vehicle wheel be unloaded vehicle frame and put in addition, not only folding rate is slow, and can cause the puzzlement in the use.
With reference to Fig. 2 folding bicycle 1, consist predominantly of: can dock a front vehicle frame 11 and a back vehicle frame 12 of stretching, extension mutually, and vertically wear a pivot 13 of this forward and backward vehicle frame 11,12 of pivot.By this, this forward and backward vehicle frame 11,12 and this pivot 13 can form the structure that is similar to hinge, and when folding, are center of gyration with the pivot 13 of this vertical direction, and left and right doubling folds.Though above-mentioned folding bicycle 1 can reach the purpose that folds, when reality was used, still having following disappearance had to be solved:
Because this pivot 13 is vertically to run through this forward and backward vehicle frame 11,12, therefore, heavy burden when driving, can drop on the pivot part position of this forward and backward vehicle frame 11,12, just hinge is practiced on the pivot 13 of formula, not only load force is limited, and this hinge pivot 13 of practicing formula also reversed the shearing of strength easily and damage, and the doubt of safety is arranged in the use.
Summary of the invention
Therefore, the present invention's purpose, promptly provide a kind of can be simple and easy folding the and firm folding bicycle of structure.
So folding bicycle of the present invention comprises: a vehicle frame unit and a fastener.This vehicle frame unit has a preceding hack lever and a back hack lever that connects, be installed in a front vehicle wheel and a rear wheel of this forward and backward hack lever one front end, a rear end respectively, reach the along continuous straight runs axle and wear a pivot of this preceding hack lever one rear end and this back hack lever one front end, the relative position between this pivot and this forward and backward wheel center of gyration is to be equicrural triangle.This fastener is to locate this forward and backward hack lever, make this forward and backward hack lever butt joint be extended into riding condition, and remove the spacing relation of this forward and backward hack lever, make this forward and backward hack lever can be respectively around the rotation of circling round of this pivot, and fold into left and right folded state arranged side by side with forward and backward wheel.
Effect of the present invention is to promote safety of structure, and makes operation more laborsaving and easy.
Description of drawings
Fig. 1 is a block diagram, a kind of folding bicycle;
Fig. 2 is a front elevation, and first preferred embodiment of the present invention's one folding bicycle is described;
Fig. 3 is an attached view, illustrates that this first preferred embodiment is to stretch along an axis direction;
Fig. 4 is a scheme drawing, illustrates that a pivot is a hack lever and a back hack lever before wearing along the centerline axis of a pivot joint block and a caulking groove in this first preferred embodiment;
Fig. 5 is the front elevation of a part, illustrates that a fastener is positioned at the state of this forward and backward hack lever of location in this first preferred embodiment, and removes the state of this forward and backward hack lever alignment restrictions;
Fig. 6 is a part of attached view, illustrates that this fastener is positioned at the state of removing this forward and backward hack lever alignment restrictions in this first preferred embodiment;
Fig. 7 is a part of attached view, illustrates that this fastener in this first preferred embodiment is positioned at the state of this forward and backward hack lever;
Fig. 8 is a front elevation, illustrates that this forward and backward hack lever begins to circle round folding in this first preferred embodiment;
Fig. 9 is an attached view, and the continuous action relation between this fastener and this forward and backward hack lever in this first preferred embodiment is described;
Figure 10 is a front elevation, illustrates that this forward and backward hack lever is finished folding in this first preferred embodiment;
Figure 11 is a block diagram, illustrates that this forward and backward hack lever folding becomes left and right juxtaposed state in this first preferred embodiment;
Figure 12 is a front elevation, and second preferred embodiment of the present invention's one folding bicycle is described; And
Figure 13 is a front elevation, illustrates that this second preferred embodiment finishes folding and slide against a plane with second wheel.
The specific embodiment
About addressing other technology contents, characteristics and effect before the present invention, in the following detailed description that cooperates with reference to two graphic preferred embodiments, can clearly understand.
Consult Fig. 2, Fig. 3, Fig. 4, one first preferred embodiment of folding bicycle of the present invention comprises: a vehicle frame unit 2 and a fastener 3.
This vehicle frame unit 2 has a preceding hack lever 21 and a back hack lever 22 that connects, a front vehicle wheel 23 that is installed in these forward and backward hack lever 21,22 contiguous front ends 211, a rear end 221 respectively and a rear wheel 24, a pivot joint block 25, be the caulking groove 26 of U type without exception, reach a pivot 27.
This forward and backward hack lever the 21, the 22nd extends along an axis X direction, and has an angled end-face 213,223 that is formed on a rear end 212, a front end 222 and agrees with mutually respectively.
This pivot joint block 25 is to be extended towards these back hack lever 22 directions by these preceding hack lever 21 angled end-faces 213.This caulking groove 26 is formed on these back hack lever 22 angled end-faces 223, and places for this pivot joint block 25.What deserves to be mentioned is that the line of centers C that runs through this pivot joint block 25 and this caulking groove 26 is formed with an inclination angle with this axis X and nonopiate.
This pivot 27 is to wear this back hack lever 22, this caulking groove 26 and be somebody's turn to do preceding hack lever 21, this pivot joint block 25 with the horizontal direction axle along this line of centers C, makes this forward and backward hack lever 21,22 form pivots knot states, and can be around these pivot 27 rotations.Relative position between this pivot 27 and this forward and backward wheel 23,24 center of gyration P1, P2 is to be equicrural triangle.
Ginseng Fig. 5, Fig. 6, Fig. 7, this fastener 3 has one first stud shaft 31, one second stud shaft 32, a ball journal 33, a first connecting rod 34, a second connecting rod 35, a handgrip 36, a hook ring 37 and a hook 38.
This first stud shaft 31 is positions that along continuous straight runs passes these preceding hack lever 21 contiguous these end inclined-planes 213.
This second stud shaft 32 is positions that along continuous straight runs passes these second connecting rod 35 contiguous ends 351.
This ball journal 33 is positions that along continuous straight runs passes these back hack lever 22 contiguous these end inclined-planes 223, and has a bulb 331 that passes this back hack lever 22.
This first connecting rod 34 is to tie with these first, second stud shaft 31,32 pivots respectively with an end 341 and the other end 342, and can be around these first, second stud shaft 31,32 turns.
This second connecting rod 35 have be formed on an end face and can with a roof 350 of these first connecting rod 34 mutual blocks, and be formed on the contiguous other end 352 and with a ball groove 353 of this ball journal 33 bulbs 331 cover pivots, angle in the time of can cooperating this forward and backward hack lever 21,22 to fold changes, and has multidirectional activity nargin.What deserves to be mentioned is that this first, second connecting rod the 34, the 35th is with the continuous action relation of these forward and backward hack lever 21,22 formation four-bar linkages.
This handgrip 36 is with an end 361 and this second connecting rod 35 1 ends 351 pivots knot, and have be formed on a side 362 and can with a catching groove 363 of these second connecting rod 35 overlapping fastenings, and be formed on the grip part 364 that the other end and along continuous straight runs extend.
This hook ring 37 is the positions that are installed in these preceding hack lever 21 1 bottom surfaces and contiguous this angled end-face 213.
But this hook 38 be turn be hubbed on the position of these back hack lever 22 1 bottom surfaces and contiguous this angled end-face 223, this hook 38 is these hook ring 37 turns relatively and is buckled in this hook ring 37.
Because should preceding hack lever 21 be to dock with these angled end-faces 213,223 with this back hack lever 22, therefore, these angled end-faces 213,223 can be subject to the relation that fastens mutually towards forming, turn can not make progress.So, when this forward and backward hack lever 21,22 stretches along this axis X direction, and during with the involutory and static not turn of these angled end-faces 213,223, this first, second connecting rod the 34, the 35th can dwindle angle, and turn to the roof 350 of this second connecting rod 35 is hampered by this first connecting rod 34, form a lower dead point as shown in Figure 5, make 34,35 on this forward and backward hack lever 21,22 and this first, second connecting rod form a spacing each other relation, and turn downwards reaches the purpose that can Gong ride in the location.Ginseng Fig. 6, Fig. 7, and in the process that these first, second connecting rod 34,35 angles change, this second connecting rod 35 is the activity nargin that can utilize this ball groove 353 and 331 formation of this ball journal 33 bulbs, outwards adjusts displacement with minimum spacing and adjusts pivot knot angle.
Ginseng Fig. 5, Fig. 7, during this bicycle of folding, as long as oppositely pull this first, second connecting rod 34,35, just can make this first, connecting rod 34,35 breaks away from lower dead points and is mobilizable state, and the spacing relation of this forward and backward hack lever 21,22 of releasing.
Ginseng Fig. 4, Fig. 8, Fig. 9, at this moment, user's this handgrip 36 that need only extend, make these handgrip 36 catching grooves 363 break away from this second connecting rod 35, just can grip the grip part 364 of this handgrip 36 and upwards spur this second connecting rod 35, and by with this first connecting rod 34, before being somebody's turn to do, back hack lever 21,22 continuous action relations that form four-bar linkage, drive this first connecting rod 34, and upwards preceding hack lever 21 rear ends 212 and this back hack lever 22 front ends 222 are somebody's turn to do in traction, because this pivot 27 is formed in the point midway of this vehicle frame unit 2, therefore, before fastener 3 is upwards mentioned this, back hack lever 21,22 o'clock, these preceding hack lever 21 front ends 211 and the gravity of these back hack lever 22 rear ends 221 utilizations itself are hung downwards equably, reaching with this pivot 27 is that the relative turn of center of gyration folds, owing to this pivot 27 and before being somebody's turn to do, back hack lever 21, pivot joint block 25 on 22, caulking groove 26 is to be formed with this axis X an inclination angle is arranged, therefore, in the turn process, this back hack lever 22 can depart from this axis X gradually, and and between this axis X gradually shape one spacing L is arranged, ginseng Figure 10, Figure 11, for ccontaining this rear wheel 24, and the situation that interference can not arranged with this preceding hack lever 21 or front vehicle wheel 23, make this before, back hack lever 21,22 with before, rear wheel 23,24 fold a left side, right folded state arranged side by side.
Certainly, in the process of these forward and backward hack lever 21,22 turns, the angle that first, second connecting rod 34,35 and this forward and backward hack lever are 21,22 also can followed and changed, therefore, can utilize the activity nargin of these second connecting rod 35 ball grooves 353 and 331 formation of this ball journal 33 bulbs equally, outwards adjust displacement and adjust pivot knot angle, use the potential difference of this axis X that this back vehicle frame 22 of balance departs from, make this forward and backward hack lever 21,22 turns smoothly with minimum spacing.
When this forward and backward hack lever 21,22 and forward and backward wheel 23,24 folded into left and right folded state arranged side by side, this hook 38 was to be buckled in this clasp 37, can make this forward and backward hack lever arranged side by side 21,22 obtain the location, and situation is separately arranged when avoiding beginning a new line.
The ginseng Figure 12, Figure 13, be the present invention's second preferred embodiment, it is roughly the same in first preferred embodiment, difference be in:
This vehicle frame unit 2 has more by this back hack lever 22 along this axis direction rack 28 that extends back, and is formed on most rollers 29 of these rack 28 1 rear ends 281.By this, when this forward and backward hack lever 21,22 and forward and backward wheel 23,24 fold into left and right folded state arranged side by side, this rack 28 is to slide against a plane with this roller 29, can assist the vehicle frame unit 2 after this folding to be placed on the plane, or make things convenient for this vehicle frame unit 2 to tow.
According to the above as can be known, the present invention's folding bicycle has following advantage and effect:
1. because the present invention is folding in the mode of circling round, except the mode that is different from doubling in the past, more can save the time of dismounting front vehicle wheel, make jackknife action rapider, and because this pivot 27 is formed in the point midway of this vehicle frame unit 2, can make operation more laborsaving and easy by this forward and backward hack lever 21,22 of the action folding of mentioning
2. because this pivot 27 is with this forward and backward hack lever 21,22 of horizontal direction pivot knot, and this forward and backward hack lever the 21, the 22nd bears heavy burden with angled end-face 213,223 mutual butt joints, therefore, bear a heavy burden and be not concentrated on this pivot 27, by this, steadiness that can additional strengthening, safety when driving with lifting.
The above person, only for the present invention's preferred embodiment, when the scope that can not limit the invention process with this, promptly the simple equivalent of being done according to the present patent application claim and description of the invention content generally changes and modifies, and all should still belong in the scope that patent of the present invention contains.
Claims (8)
1. folding bicycle is characterized by:
One vehicle frame unit, have the preceding hack lever and the back hack lever that connect, be installed in a front vehicle wheel and a rear wheel of this forward and backward hack lever one front end, a rear end respectively, reach the along continuous straight runs axle and wear a pivot of this preceding hack lever one rear end and this back hack lever one front end, the relative position between this pivot and this forward and backward wheel center of gyration is to be equicrural triangle; And
One fastener, be to locate this forward and backward hack lever, make this forward and backward hack lever butt joint be extended into riding condition, and remove the spacing relation of this forward and backward hack lever, make this forward and backward hack lever can be respectively around the rotation of circling round of this pivot, and fold into left and right folded state arranged side by side with forward and backward wheel.
2. the folding bicycle according to claim 1, it is characterized by: this forward and backward hack lever is to extend along an axis direction, and having an angled end-face that is formed on a rear end, a front end and agrees with mutually respectively, these angled end-faces are to be subject to towards turning round close downwards relatively around this pivot.
3. the folding bicycle according to claim 2, it is characterized by: before this, back hack lever has more respectively by this angled end-face a pivot joint block that extends and a caulking groove that is formed on this angled end-face, the line of centers of this pivot joint block and this caulking groove is to be formed with an inclination angle with this axis, run through this pivot joint block and this caulking groove for this pivot with direction perpendicular to line of centers, make this pivot and this axis also be formed with an inclination angle and nonopiate, before this, folding and the postpone of back hack lever, this back hack lever can be formed with a spacing with this axis, for ccontaining this rear wheel, make this before, rear wheel mutually and put.
4. the folding bicycle according to claim 1, it is characterized by, this fastener have more two mutual pivots knot and with this before, one first connecting rod and a second connecting rod of the mutual pivot knot of back hack lever, make this first, second connecting rod with should before, the after-frame bar forms the continuous action relation of four-bar linkage, before this, back hack lever is during with the involutory and static not turn of these angled end-faces, this is first years old, second connecting rod is to dwindle angle and turn to a lower dead point, before making this, back hack lever and this first, form a spacing each other relation between second connecting rod, and can not turn, reach the purpose of location.
5. the folding bicycle according to claim 4, it is characterized by: this fastener has more one first stud shaft, one second stud shaft and a ball journal, this first stud shaft is the position that along continuous straight runs passes contiguous this angled end-face of this preceding hack lever, this second stud shaft is the position that along continuous straight runs passes the contiguous end of this second connecting rod, this ball journal is the position that along continuous straight runs passes contiguous this angled end-face of this back hack lever, and has a bulb that passes this back hack lever, this first connecting rod be with an end and the other end respectively with this first, second stud shaft pivot knot, and can around this first, the second stud shaft turn, this second connecting rod have more be formed on an end face and can with a roof of the mutual block of this first connecting rod, and be formed on the other end and with a ball groove of this ball-head cover pivot, before can cooperating this, angle when back hack lever is folding changes, and has multidirectional activity nargin.
6. the folding bicycle according to claim 4, it is characterized by: this fastener has more a handgrip, this handgrip is with an end and this second connecting rod one end pivot knot, and has a catching groove that is formed on a side and can overlaps and fasten with this second connecting rod, and be formed on the grip part that the other end and along continuous straight runs extend, this handgrip can upwards spur this second connecting rod and drive this first connecting rod, and upwards draw this side arm rod rear end and this back hack lever front end, the gravity of this preceding hack lever front end and this after-frame rod rear end utilization itself is hung downwards, and fold relatively.
7. according to claim 1 a described folding bicycle, it is characterized by: this vehicle frame unit has more by this back hack lever along this axis direction rack that extends back, and be formed on most rollers of this rack one rear end, when this forward and backward hack lever and forward and backward wheel folded into left and right folded state arranged side by side, this rack was in a plane with this sliding with rolling wheels.
8. according to claim 1 a described folding bicycle, it is characterized by: but this fastener has more a clasp that is hubbed on this preceding hack lever one bottom surface and contiguous this angled end-face of turn, an and hook that is installed in this back hack lever one bottom surface and is close to this angled end-face, when this forward and backward hack lever and forward and backward wheel fold into left and right folded state arranged side by side, this hook is to be buckled in this clasp, makes this forward and backward hack lever arranged side by side obtain the location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100528682A CN100375700C (en) | 2004-07-15 | 2004-07-15 | Folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100528682A CN100375700C (en) | 2004-07-15 | 2004-07-15 | Folding bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1586969A true CN1586969A (en) | 2005-03-02 |
| CN100375700C CN100375700C (en) | 2008-03-19 |
Family
ID=34602638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100528682A Expired - Lifetime CN100375700C (en) | 2004-07-15 | 2004-07-15 | Folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100375700C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920746A (en) * | 2009-06-09 | 2010-12-22 | 捷安特(中国)有限公司 | Folding fixing buckle of folding bicycle |
| CN102452443A (en) * | 2010-10-27 | 2012-05-16 | 韩安石 | Towable folding bicycle |
| CN109927833A (en) * | 2018-01-18 | 2019-06-25 | 阮春雄 | Collapsible bicycle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1443948A (en) * | 1965-03-24 | 1966-07-01 | Advanced folding bicycle | |
| GB2103553A (en) * | 1981-08-11 | 1983-02-23 | Zuffellato Tipografica | Collapsible structure for a bicycle |
| US5052706A (en) * | 1990-06-05 | 1991-10-01 | Tsai Duan Huey | Foldable bicycle |
| US5069468A (en) * | 1990-08-14 | 1991-12-03 | Tsai Shu Huey | Collapsible bicycle |
| CN2666793Y (en) * | 2003-12-17 | 2004-12-29 | 毛方年 | Portable bicycle |
-
2004
- 2004-07-15 CN CNB2004100528682A patent/CN100375700C/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920746A (en) * | 2009-06-09 | 2010-12-22 | 捷安特(中国)有限公司 | Folding fixing buckle of folding bicycle |
| CN101920746B (en) * | 2009-06-09 | 2013-05-01 | 捷安特(中国)有限公司 | Folding fixing buckle of folding bicycle |
| CN102452443A (en) * | 2010-10-27 | 2012-05-16 | 韩安石 | Towable folding bicycle |
| CN109927833A (en) * | 2018-01-18 | 2019-06-25 | 阮春雄 | Collapsible bicycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100375700C (en) | 2008-03-19 |
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