CN204473010U - A kind of bicycle folding mechanism - Google Patents
A kind of bicycle folding mechanism Download PDFInfo
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- CN204473010U CN204473010U CN201520024603.5U CN201520024603U CN204473010U CN 204473010 U CN204473010 U CN 204473010U CN 201520024603 U CN201520024603 U CN 201520024603U CN 204473010 U CN204473010 U CN 204473010U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 34
- 230000000903 blocking effect Effects 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 230000002401 inhibitory effect Effects 0.000 claims description 2
- 241001416181 Axis axis Species 0.000 claims 1
- 230000000452 restraining effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
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Abstract
The utility model relates to the bicycle folding mechanism that a kind of structure is simple, folding efficiency is high.This bicycle folding mechanism comprises: a telescopic front frame assembly, a telescopic after poppet assembly, a head tube assembly, a transmission component and a saddle Foldable assembly; Described telescopic front frame assembly connects with one the first paragraph of front-wheel and one can make the connection handle of fore and aft motion second segment relative to first paragraph; Described telescopic after poppet assembly connects with one the first paragraph of trailing wheel and one can make fore and aft motion second segment relative to first paragraph; The head tube end of described head tube assembly is connected so that axle is rotating in the one end away from front-wheel with the first paragraph of described front frame assembly, and the other end is connected so that axle is rotating in the one end away from trailing wheel with the second segment of described after poppet assembly; The seat pipe that described saddle Foldable assembly is connected with spin axis formula with one end of the first paragraph of after poppet assembly with an one end, and at least one blocking device.Fold mechanism of the present utility model can realize bicycle lightweight, the miniaturization after folding, and maintains the comfortable experience of riding of bicycle.
Description
Technical field
The utility model relates to a kind of fold mechanism of bicycle, and its structure is simple, and folding efficiency is high.
Background technology
Bicycle is that current people provide that one is extensively liked traffic, motion, lain fallow, mode of playing, and along with low-carbon environment-friendly theory is extensively admitted in China and even worldwide, cycling is more and more welcome.Traditional bicycle, be particularly absorbed in the bicycle of motion, match, often head is comparatively large, heavier-weight, does not meet random portable short distance traffic, leisure purposes, so folding bicycle just creates.Market is to the requirement of folding bicycle: 1 is lightweight; 2 volume after folding are little and regular; 3 carry easily, can walk or put into bag run away in tow after folding; 4 ride comfortable, launch rear stability good, Sizes driven by car; 5 transmitting ratios can ensure bicycle normal speed; 6 to pack up, launch quick.Common folding bicycle generally adopts the wheel of more than 16 cun, adopt and implement to fold with bicycle plane orthogonal direction, this folding bicycle, maintains the feature of most of standard bicycle, rides comfortable, expansion rear stability is good, but for the people of short distance traffic with leisure demand, the weight of more than 15 kilograms, the volume after folding more than 0.2 cubic meter, nonstandard profile after folding, it is extremely inconvenient that these defects allow people use.In addition, Britain inventor has invented a kind of square frame-shaped supporting structure folding bicycle (A-Bike), its advantage is: lightweight (about 6.5 kilograms), volume after folding little (0.03 cubic meter), a bag can be put into after folding to carry, solve whole shortcomings that common folding bicycle is above-mentioned, but because it have employed square frame-shaped structure, steering mechanism of bicycle revolves structure by two axles and forms, and due to the fugitiveness of bracket institution, in ride, the change of people's car weight heart makes the pivot center that two steering shafts revolve structure depart from, even if often ride, the people of standard bicycle is also wayward.The traveling comfort of riding is poor is the significant deficiency of this folding bicycle.
As city working white collar, can be carried it and ride in a bus; As student, can go downstairs upstairs with it; As traveller, can carry and go on or off the plane, ride instead of walk at tourist site; As car owners, can put 34 by boot again, the whole family goes to park to lie fallow.These people expect that comfortable experience of riding of a kind of existing common folding bicycle, and have again A-Bike folding bicycle that lightweight, volume after folding is little, bicycle easy to carry.
Summary of the invention
The utility model is intended to solve the problem, and invention one is convenient to folding and is launched, and volume after folding is less, comfortable bicycle folding mechanism of riding after expansion.
The bicycle folding mechanism that a kind of structure of the present utility model is simple, folding efficiency is high, comprising: a telescopic front frame assembly, a telescopic after poppet assembly, a head tube assembly, a transmission component and a saddle Foldable assembly;
Described telescopic front frame assembly connects with one the first paragraph of front-wheel and one can make the connection handle of fore and aft motion second segment relative to first paragraph;
Described telescopic after poppet assembly connects with one the first paragraph of trailing wheel and one can make fore and aft motion second segment relative to first paragraph;
The head tube end of described head tube assembly is connected so that axle is rotating in the one end away from front-wheel with the first paragraph of described front frame assembly, and the other end is connected so that axle is rotating in the one end away from trailing wheel with the second segment of described after poppet assembly;
The seat pipe that described saddle Foldable assembly is connected with spin axis formula with one end of the first paragraph of after poppet assembly with an one end, and at least one blocking device.
Bicycle folding mechanism structure of the present utility model is simple, and by the upper pipe of standard bicycle, lower pipe, Seat stay, the structures such as rear lower justice, simplify and turn to after poppet assembly, then coordinate path wheel, make the weight of bicycle realize the lightweight of maximum possible.
The utility model not only may be used for ordinary bicycle, can also be applied to match bicycle, Electrical Bicycle etc., and as Fig. 7, the battery 71 of Electrical Bicycle is installed on present pipe, and trailing wheel then can use wheel hub motor 72.
Accompanying drawing explanation
Fig. 1 is the schematic diagram after the utility model fold mechanism launches.
Fig. 2 is the schematic diagram after the utility model fold mechanism folds.
Fig. 3 is head tube assembly and after poppet connecting bridge schematic diagram.
Fig. 4 A is folding rear A-BIKE scantling of structure schematic diagram.
Fig. 4 B is folding rear the utility model structure front frame size of components schematic diagram.
Fig. 5 A is A-BIKE structure and structure front frame size of components schematic diagram of the present invention after launching.
Fig. 5 B is the utility model structure front frame size of components schematic diagram after launching.
Fig. 6 is that A-BIKE structure compares schematic diagram with the utility model structure after poppet size of components.
Fig. 7 is the legend that the utility model is applied to Electrical Bicycle
Detailed description of the invention
As shown in Figure 1, the pipe that first paragraph 11 and the second segment 12 of front frame assembly vary in size by two is respectively formed, and is provided with a blocking device 13 between two sections.The second segment 42 of after poppet assembly is made up of a set level oval tube, the first paragraph 41 of after poppet assembly includes one by one and can hold the abnormally-structured of the space of second segment 42 and form, blocking device between two sections is made up of the axis pin of the spring 46 be contained in for a pair on after poppet assembly second segment and a blocking device 43 be contained on after poppet assembly first paragraph, when fold mechanism launches, axis pin of the spring 46 ejects from the hole of after poppet assembly first paragraph 41 correspondence, carries out axial locking to the two-stage structure of after poppet assembly; Blocking device 43 pairs of after poppet assembly first paragraphs 41 and after poppet assembly second segment 42 carry out lateral locking.Head tube assembly can hold by 34, one, a head tube body 31, bowl group structure after poppet assembly second segment 42 to revolve 32 rotations space around axle, and two inhibiting device 38 (as Fig. 3) and a blocking device 33; Bowl group structure 34 is arranged between head tube 31 and front frame assembly first paragraph 11, and bowl group structure 34 makes the first paragraph 11 of front frame assembly can rotate with less friction force with head tube assembly; The blocking device 33 be arranged in spin axis is implemented to lock to head tube assembly 31 and after poppet assembly second segment 42 in fold mechanism expansion or folding desired location, and they can not be rotated.Saddle Foldable assembly by a seat pipe 51 and one by a strut bar 54, a slide 52, seat pipe member collapses, lockout mechanism that two spin axis, 44,53 and blocking device 56 forms, seat pipe 51 can rotate around spin axis 45, strut bar 54 can rotate around spin axis 44,53, and slide 52 can be present pipe 51 surface sliding; When fold mechanism launches, pull open a pipe 51, slide 52, by upward sliding, drives strut bar 54 to open, and in the position of setting, uses blocking device 56 to be locked on a pipe 51 by slide 52; When fold mechanism folds, slide 52 is along seat pipe 51 slide downward, and seat pipe 51 and strut bar 54 rotate around spin axis 45,53,44 respectively simultaneously, until seat pipe 51, strut bar 54 are parallel with the first paragraph 41 of after poppet assembly, as shown in Figure 2.As Fig. 1 and Fig. 2, transmission component is by a pair crank, 61, two pairs of sprocket wheels 62 and 65 and 66 and 68, and Second Mate's chain 63 and 67 and folding foot-operated 64 compositions, crank 61 is arranged at after poppet assembly first paragraph one end away from trailing wheel.
Bicycle folding operation illustrates:
As Fig. 1, time folding, first unclamp the blocking device 33 in head tube, after poppet assembly is turned to and front frame member parallel around spin axis 32, return lock blocking device 33, carry out with fixed to this folding position; Then unclamp blocking device 43, dead spring bearing pin 46, then after poppet assembly second segment 42 is pressed in after poppet assembly first paragraph 41, return lock blocking device 43;
Unclamp blocking device 56, by strut bar 54 light pressure downwards, slide 52 is by slide downward, seat pipe 51 strut bar 54 can rotate around spin axis 45,53,44 respectively simultaneously, until seat pipe 51, strut bar 54 are parallel with after poppet assembly first paragraph, at this moment Foldable hanging hook 58 will be fixed this folding position, then be opened by seat blocking device 59, seat is depressed into head tube assembly upper surface, locks back seat blocking device 59.
Unclamp front frame assembly blocking device 13, front frame assembly second segment 12 is pressed in front frame assembly first paragraph 11, lock back front frame assembly blocking device 13.
Stretcher 64 and hand are folded 21.As Fig. 2.
Bicycle launches operation instructions:
As Fig. 2, during expansion, first unclamp blocking device 43 and blocking device 33, after poppet assembly second segment 42 is pulled out from after poppet assembly first paragraph 41, until axis pin of the spring 46 ejects, locks back blocking device 43, again after poppet assembly is launched, the blocking device 33 in locking head tube.
Open Foldable hanging hook 58, pull open a pipe 51, slide 52 will drive strut bar 54 upward sliding, when arriving the position of setting, and locking blocking device 56.
Unclamp front frame assembly blocking device 13, by pull-out in front frame assembly second segment 12 in the past bracket component first paragraph 11, lock the same bracket component blocking device 13, then seat blocking device 59 is opened, suitable height is adjusted at seat, locks back seat blocking device 59.
Stretcher 64 and hand are launched 21.
Head tube assembly of the present utility model realizes folding bicycle to ride the key of traveling comfort.Relative to the design of A-BIKE, after poppet assembly of the present utility model is connected with the single head tube with bowl group function with between front frame assembly, thus making turning of bicycle motion cause the not parallel stress interference brought in the axle center of the spin axis of two bowl group functions because eliminating the change of ride center-of-gravity position, the handling of such bicycle obtains fabulous guarantee.
The utility model utilization is stretched and axle revolves two modes, implements folding to the main-body structure of bicycle, thus while guaranteeing the traveling comfort of riding of bicycle, achieve the control of folding rear size.Telescopic front frame assembly of the present utility model, after poppet assembly and scalable seat pipe, reduce bicycle fold after size.Revolve folding mode by the axle of head tube assembly and after poppet assembly, fold with making front and back support member parallel; Saddle Foldable assembly make a pipe can with front and back support member parallel fold; Form after such folding mode not only makes bicycle fold is neat, attractive in appearance, also makes cycle frame folding efficiency greatly be improved.Use above technology, add folding stretcher and handle, the miniaturization that folding bicycle folds rear size maximum possible can be realized.
Head tube assembly of the present utility model and front frame assembly be connected in front frame assembly first paragraph away from front-wheel one end, this design can reduce the axial dimension that bicycle folds rear front frame assembly and after poppet assembly most possibly.As Fig. 4 A, 4B, 5A and Fig. 5 B, in A-BIKE structure shown in Fig. 4 A, 5A, head tube assembly 31 ' ' is connected with the second segment 12 of front frame assembly, the length of shown front frame assembly first paragraph 11 ' is L2, head tube length component is L1, front frame assembly second segment 12 ' length be (L1+L2), after folding, the length of front frame assembly be (L1+L2), and launching front frame length is afterwards (L1+2L2-Δ L); And as shown in Fig. 4 B, 5B, head tube assembly 31 of the present utility model is connected with front frame assembly first paragraph 11, the length of such front frame assembly first paragraph 11 and second segment can be designed to (L2+L1/2), head tube length component is L1, after launching, front frame length is all mutually with A-BIKE structure (L1+2L2-Δ L), and the length of folding rear front frame assembly is (L2+L1/2); Although more than illustrate that length of run is all (L1+2L2-Δ L), length (L2+L1/2) comparatively A-BIKE structure (L2+L1) short L1/2 after front frame member collapses of the present utility model.As shown in Figure 6,31 ', 31 ' ' be the head tube of two bowl group functions of A-BIKE structure, the main head tube 31 ' of A-BIKE structure ' ' is connected with the second segment 12 of after poppet assembly second segment 42 ' and front frame assembly, in the diagram, head tube assembly 31 of the present invention is connected with front frame assembly first paragraph 11 and after poppet assembly second segment 42, apparently, when identical wheelspan, after poppet length component M2 of the present invention is than the after poppet length component M1 much shorter of A-BIKE; Length due to folding rear after poppet assembly equals half when launching, so after poppet length component of the present invention is also short compared with A-BIKE structure after folding.Comprehensive the above, after front frame assembly of the present utility model and after poppet member collapses, length is all short compared with A-BIKE structure, after folding like this, bicycle is shorter in the size of front and back support assembly axis, and at present folding bicycle fold after the size in other two directions determine primarily of foot-operated and middle shaft size and wheel wheel footpath, so use identical when taking turns foot-operated, the axis of footpath and same size, after bicycle of the present invention is folding, size is less.Through investigation and research, use 8 cun of A-BIKE structure folding bicycles of taking turns footpath, when development size is 980mm, be of a size of 410X200X690mm after it is folding, and folding bicycle of the present utility model is of a size of 410X200X650mm after folding.
Claims (15)
1. a bicycle folding mechanism, is characterized in that: this bicycle folding mechanism comprises a telescopic front frame assembly, a telescopic after poppet assembly, a head tube assembly, a transmission component and a saddle Foldable assembly;
Described telescopic front frame assembly connects with one the first paragraph of front-wheel and one can make the connection handle of fore and aft motion second segment relative to first paragraph;
Described telescopic after poppet assembly connects with one the first paragraph of trailing wheel and one can make fore and aft motion second segment relative to first paragraph;
The head tube end of described head tube assembly is connected so that axle is rotating in the one end away from front-wheel with the first paragraph of described front frame assembly, and the other end is connected so that axle is rotating in the one end away from trailing wheel with the second segment of described after poppet assembly;
The seat pipe that described saddle Foldable assembly is connected with spin axis formula with one end of the first paragraph of after poppet assembly with an one end, and at least one blocking device.
2. bicycle folding mechanism as claimed in claim 1, it is characterized in that: the first paragraph of described telescopic front frame assembly and second segment adopt nested structure, and part or all of the second segment of described front frame assembly can be nested in the first paragraph of described front frame assembly.
3. bicycle folding mechanism as claimed in claim 2, is characterized in that: first paragraph and the second segment of described telescopic front frame assembly can be designed to circle, oval, flat oval shape, square or other shape.
4. bicycle folding mechanism as claimed in claim 1, is characterized in that: be provided with at least one blocking device between the first paragraph of described telescopic front frame assembly and second segment.
5. bicycle folding mechanism as claimed in claim 1, it is characterized in that: the first paragraph of described telescopic after poppet assembly and second segment, adopt nested structure, part or all of the second segment of described after poppet assembly can be nested in the first paragraph of described after poppet assembly.
6. bicycle folding mechanism as claimed in claim 5, is characterized in that: first paragraph and the second segment of described telescopic after poppet assembly can be designed to circle, oval, flat oval shape, square or other shape.
7. bicycle folding mechanism as claimed in claim 1, is characterized in that: be provided with at least one blocking device between the first paragraph of described telescopic after poppet assembly and second segment.
8. bicycle folding mechanism as claimed in claim 1, it is characterized in that: the other end of described head tube assembly is connected so that axle is rotating in the one end away from trailing wheel with the second segment of described after poppet assembly, and described head tube assembly and described after poppet assembly can fold in cycle frame plane.
9. bicycle folding mechanism as claimed in claim 8, is characterized in that: the spin axis axis perpendicular that the spin axis axle center that described head tube assembly is connected with the first paragraph of described front frame assembly is connected with the second segment of described after poppet assembly with described head tube assembly.
10. bicycle folding mechanism as claimed in claim 9, it is characterized in that: between described head tube assembly and described after poppet assembly second segment, be provided with at least one inhibiting device, when launching to make described bicycle folding mechanism, the maximum angle that described after poppet assembly and described head tube assembly can launch is limited.
11. bicycle folding mechanisms as claimed in claim 10, it is characterized in that: between described head tube assembly and described after poppet assembly second segment, be provided with at least one blocking device, implement to lock after being deployed into restraining position to make described after poppet assembly and described head tube assembly.
12. bicycle folding mechanisms as claimed in claim 1, it is characterized in that: the seat pipe of described saddle Foldable assembly can around described spin axis at cycle frame rotation with in surface, when bicycle launches, seat can be placed in the position being applicable to riding by seat pipe, time folding, seat pipe can fold abreast with the first paragraph of described after poppet assembly.
13. bicycle folding mechanisms as claimed in claim 1, it is characterized in that: the blocking device of described saddle Foldable assembly is arranged between described seat pipe and the first paragraph of after poppet assembly, or between described seat pipe and described head tube assembly, and this device can be present, pipe has launched the rear position to seat pipe and gives locking completely or by halves.
14. bicycle folding mechanisms as claimed in claim 1, is characterized in that: described transmission component, comprise a crank, and one folding foot-operated, at least one group of transmission gear and the chain be connected between gear or belt.
15. bicycle folding mechanisms as claimed in claim 14, is characterized in that: described crank is arranged at first paragraph one end away from trailing wheel of after poppet assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520024603.5U CN204473010U (en) | 2015-01-12 | 2015-01-12 | A kind of bicycle folding mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520024603.5U CN204473010U (en) | 2015-01-12 | 2015-01-12 | A kind of bicycle folding mechanism |
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| Publication Number | Publication Date |
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| CN204473010U true CN204473010U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520024603.5U Expired - Fee Related CN204473010U (en) | 2015-01-12 | 2015-01-12 | A kind of bicycle folding mechanism |
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| CN (1) | CN204473010U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105882842A (en) * | 2015-01-12 | 2016-08-24 | 奉清平 | Bicycle folding mechanism |
| CN110027659A (en) * | 2019-04-23 | 2019-07-19 | 罗茜 | Portable folding electric vehicle |
-
2015
- 2015-01-12 CN CN201520024603.5U patent/CN204473010U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105882842A (en) * | 2015-01-12 | 2016-08-24 | 奉清平 | Bicycle folding mechanism |
| CN110027659A (en) * | 2019-04-23 | 2019-07-19 | 罗茜 | Portable folding electric vehicle |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Feng Qingping Document name: payment instructions |
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| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 |
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| CF01 | Termination of patent right due to non-payment of annual fee |