CN203623873U - Folding bicycle frame assembly - Google Patents
Folding bicycle frame assembly Download PDFInfo
- Publication number
- CN203623873U CN203623873U CN201320666641.1U CN201320666641U CN203623873U CN 203623873 U CN203623873 U CN 203623873U CN 201320666641 U CN201320666641 U CN 201320666641U CN 203623873 U CN203623873 U CN 203623873U
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- Prior art keywords
- bracket
- seat
- rear mounting
- support stand
- frame assembly
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Abstract
The utility model relates to a folding bicycle, and discloses a folding bicycle frame assembly. The folding bicycle frame assembly comprises a front supporting frame, a rear supporting frame, a connecting frame and a supporting rod of a seat, wherein the front supporting frame and the rear supporting frame are connected through the connecting frame, a direction control device is arranged on the front supporting frame, a front wheel is arranged at the bottom end of the front supporting frame, one end of the rear supporting frame is connected with the connecting frame, a rear wheel is arranged at the other end of the rear supporting frame, the lower end of the supporting rod of the seat is connected with the rear supporting frame, the front supporting frame or the connecting frame rotates by surrounding the connecting position between the front supporting frame and the connecting frame, the connecting frame or the rear supporting frame rotates by surrounding the connecting position between the connecting frame and the rear supporting frame, and the seat is connected to the upper end of the supporting rod of the seat. The folding bicycle frame assembly has the advantages of being simple in structure, good in strength, easy and flexible to fold and unfold in the folding and unfolding process of the frame, capable of being automatically locked after being folded and good in practical value.
Description
Technical field
The utility model relates to collapsible vehicle, particularly a kind of folded bicycle frame assembly.
Background technology
Folded bicycle, its English for folding bicycle be a classification that belongs to bicycle.Folded bicycle bicycle.General folded bicycle has vehicle frame folding joint and standpipe folding joint to form.By vehicle frame folding, by front and back two-wheeled doubling together, can reduce the length of 45% left and right.Car load can be put into boarding case and folding bag after folding, and the boot of automobile.In folding use procedure, also need to, by external instrument, can, by manually from being about to car folding and expanding, not fold voluntarily.After folding, pass through seat bar as the strong point so that can stand steady after folding.In addition, because folded bicycle need to be changed under folding and expansion two states, folding or launching to keep the regular hour between this two states, therefore need to make folded bicycle can in the time folding or launch, keep certain contour structures by various forms of blocking devices.These blocking devices comprise various buckles, jump ring or latch etc.
Existing folding type vehicle often exists volume larger, and complex structure, in order to form locking, multiple tracks blocking device need to be set on the vehicle body of folded bicycle, folding and expansion is comparatively time-consuming hard, the volume of the folded bicycle also increasing, still out of reach requirement easy to carry after folding.
Because the problems referred to above are necessary to develop a kind of novel foldable chassis.
Summary of the invention
The utility model, for the shortcoming of existing folded bicycle latch-up structure complexity, provides a kind of novel folded bicycle frame assembly.
For achieving the above object, the utility model can be taked following technical proposals:
Folded bicycle frame assembly, comprise front support stand, bracket of rear mounting, connect link span and the seat strut bar of front support stand and bracket of rear mounting, wherein, on front support stand, be provided with directional controller, front support stand bottom is provided with front-wheel, one end of bracket of rear mounting is connected with link span, the other end is provided with trailing wheel, seat strut bar lower end is connected with bracket of rear mounting, front support stand or link span rotate around the junction of front support stand and link span, link span or bracket of rear mounting rotate around the junction of link span and bracket of rear mounting, bracket of rear mounting or seat strut bar rotate around the junction of bracket of rear mounting and seat strut bar, the upper end of seat strut bar is provided with seat, seat is flexibly connected with seat strut bar.
As preferably, described link span comprises 2 head rods that are set up in parallel, 2 the second pipe links that are set up in parallel, the first tranverse connecting rod and the second tranverse connecting rod, wherein, the second pipe link is positioned at head rod below, one end of one end of head rod and the second pipe link is flexibly connected with front support stand respectively, the two ends of the first tranverse connecting rod are connected with the other end of head rod and the other end of another head rod respectively, the two ends of the second tranverse connecting rod are connected respectively at the other end of the second pipe link and the other end of another the second pipe link, the first tranverse connecting rod and the second tranverse connecting rod are flexibly connected with bracket of rear mounting respectively.
As preferably, described link span also comprises the perpendicular connecting strap of the perpendicular connecting strap of front end and rear end, wherein, the perpendicular connecting strap of front end is fixedly connected with front support stand, the perpendicular connecting strap of front end connects respectively head rod and the second pipe link, the perpendicular connecting strap of front end connects respectively head rod and the second pipe link, the perpendicular connecting strap in rear end connects respectively head rod and the second pipe link, the perpendicular connecting strap in rear end connects respectively head rod and the second pipe link, and the perpendicular connecting strap in rear end is positioned at link span near bracket of rear mounting one end.
As preferably, front end erects connecting strap, the perpendicular connecting strap in rear end forms parallelogram with the junction of head rod and the second pipe link respectively; Front end erects connecting strap, the perpendicular connecting strap in rear end forms parallelogram with the junction of head rod and the second pipe link respectively.
As preferably, the length of described the second pipe link is longer than the length of head rod.
As preferably, one end that described bracket of rear mounting is connected with link span is provided with the first groove and the second through hole, the first tranverse connecting rod is positioned at the first groove, the second tranverse connecting rod is positioned at the second through hole, described the first groove has the two ends of different sizes, the first groove compared with the more close front support stand of the relatively large end of small end.
As preferably, also comprise the first position-limited lever, the second position-limited lever and be arranged at the 3rd groove on seat strut bar, one end of the first position-limited lever is flexibly connected near one end of front support stand with bracket of rear mounting, the other end of the first position-limited lever is positioned at the 3rd groove and can slides along the 3rd groove, one end of the second position-limited lever is connected with seat, the other end of the second position-limited lever is connected with the first position-limited lever, the first position-limited lever is provided with the positioner that is shaped as hook-type or arc near one end of the first groove, the hook-type of positioner or the opening of arc are towards the direction of front support stand.
As preferably, also comprise hook and be arranged at the 3rd tranverse connecting rod of under-seat, hook one end is connected with seat.
As preferably, on hook, be provided with the switch that can control hook folding condition.
As preferably, also comprise the damping arrangement between setting and link span and bracket of rear mounting, damping arrangement can be hydraulic pressure or spring.
The utility model, owing to having adopted above technical scheme, has significant technique effect:
Adopt three comparatively succinct folded structures of structure, the seat strut bar under seat is also collapsible, has reduced the car load length after folding, and is convenient to transportation, storage.Wherein, when after vehicle frame folding, the first tranverse connecting rod can automatically form locking to the first position-limited lever, after folding, the hook on seat can hook the 3rd tranverse connecting rod on front support stand, and the vehicle frame after folding only need use the hook being arranged under seat can realize rapid deployment, after expansion, hook can hook the 4th tranverse connecting rod under seat, in the time that folded bicycle launches, keeps the position of seat.Change on said structure has greatly reduced the quantity that is arranged on the blocking device on car body, has reduced vehicle volume, and order process folding or that launch is more smooth and easy, handled easily.
Further, link span is made up of multiple pipe links arranged side by side, and intensity is high, has improved the overall weight capacity of folded bicycle.
Further, between link span and bracket of rear mounting, be designed with a unique sliding groove structure, the positioner that coordinates first position-limited lever one end to arrange, realize the location to the first cross bar by positioner, not only reduce the vehicle volume after folding, also the folded bicycle after order expansion is more stable, firm, has reduced the situation of rocking of waving.
Further, between link span and back support rod, be also provided with damping arrangement, not only can limit the maximum folding angle of link span between back support rod, in the time of vehicle frame folding, can play and prevent the too fast folding problem that human body is damaged of vehicle frame, there is good practicality.
Accompanying drawing explanation
Fig. 1 is the structural representation of folded bicycle frame assembly.
Fig. 2 is the A place enlarged diagram of Fig. 1.
Fig. 3 is the view in the folding process of folded bicycle frame assembly.
Fig. 4 is the view of the folded bicycle frame assembly after folding.
Fig. 5 is the relative position schematic diagram of the folded bicycle frame assembly after folding.
Fig. 6 is the second structural representation of folded bicycle frame assembly.
Fig. 7 is the B place enlarged diagram of Fig. 6.
Fig. 8 is the third structural representation of folded bicycle frame assembly.
Fig. 9 is the C place enlarged diagram of Fig. 8.
Figure 10 is the 4th kind of structural representation of folded bicycle frame assembly.
Figure 11 is the D place enlarged diagram of Figure 10.
The specific embodiment
Below in conjunction with embodiment, the utility model is described in further detail.
Folded bicycle frame assembly, as Figure 1-5, comprise front support stand 1, bracket of rear mounting 2, connect link span 3 and the seat strut bar 4 of front support stand 1 and bracket of rear mounting 2, wherein, on front support stand 1, be provided with directional controller 101, front support stand 1 bottom is provided with front-wheel 102, one end of bracket of rear mounting 2 is connected with link span 3, the other end is provided with trailing wheel 201, seat strut bar 4 lower ends are connected with bracket of rear mounting 2, front support stand 1 or link span 3 rotate around front support stand 1 and the junction of link span 3, link span 3 or bracket of rear mounting 2 rotate around link span 3 and the junction of bracket of rear mounting 2, bracket of rear mounting 2 or seat strut bar 4 rotate around bracket of rear mounting 2 and the junction of seat strut bar 4, the upper end of seat strut bar 4 is provided with seat 5, seat 5 is flexibly connected with seat strut bar 4, seat 5 relatively seat strut bar 4 swings up and down.Front support stand 1 is made up of many support bars arranged side by side, and the width of the space between support bar and head rod 301, the second pipe link 302 is suitable, the state after vehicle frame folding
as shown in Figure 4,5, bracket of rear mounting 2 is positioned at the second pipe link
302, the second pipe link
304between space in, in 1 of the front support stand space between head rod 301, head rod 303.
Described link span 3 comprises 2 head rods that are set up in parallel 301, 303, 2 the second pipe links 302 that are set up in parallel, 304, the first tranverse connecting rod 305 and the second tranverse connecting rod 306, wherein, the second pipe link 302, 304 are positioned at head rod 301, 303 belows, head rod 301, one end of 303 and the second pipe link 302, one end of 304 is flexibly connected with front support stand 1 respectively, the two ends of the first tranverse connecting rod 305 are connected with the other end of head rod 301 and the other end of head rod 303 respectively, the two ends of the second tranverse connecting rod 306 are connected respectively at the other end of the second pipe link 302 and the other end of the second pipe link 304, the first tranverse connecting rod 305 and the second tranverse connecting rod 306 are flexibly connected with bracket of rear mounting 2 respectively.The cross sectional shape of head rod 301,303 and the second pipe link 302,304 can be rectangular, square, circle or triangle, is preferably rectangle.The part that the second pipe link 302,304 exceeds the length of head rod 301,303 forms three-legged structure with the perpendicular connecting strap 309,310 in rear end respectively, only need to move the first tranverse connecting rod 305 and can control the shape of the parallelogram of formation between head rod 301,303 and the second pipe link 302,304, make it can not be out of shape, and then control the body shapes of whole folded bicycle.
Described link span 3 also comprises that front end erects connecting strap 307, 308 and the perpendicular connecting strap 309 in rear end, 310, wherein, front end erects connecting strap 307, 308 are fixedly connected with front support stand 1, the perpendicular connecting strap 307 of front end connects respectively head rod 301 and the second pipe link 302, the perpendicular connecting strap 308 of front end connects respectively head rod 303 and the second pipe link 304, the perpendicular connecting strap 309 in rear end connects respectively head rod 301 and the second pipe link 302, the perpendicular connecting strap 310 in rear end connects respectively head rod 303 and the second pipe link 304, connecting strap 309 is erected in rear end, 310 are positioned at link span 2 near bracket of rear mounting 2 one end.
Front end erects connecting strap 307, the perpendicular connecting strap 309 in rear end forms parallelogram with the junction of head rod 301 and the second pipe link 302 respectively; Front end erects connecting strap 308, the perpendicular connecting strap 310 in rear end forms parallelogram with the junction of head rod 303 and the second pipe link 304 respectively.On bracket of rear mounting 2, be provided with groove or groove, after whole folded bicycle vehicle frame folding, seat strut bar 4 is positioned at groove or the groove of bracket of rear mounting 2, in the space of bracket of rear mounting 2 between the second pipe link 302,304, due to whole link span 2 parallelograms, therefore after folding, head rod 301,303 and the second pipe link 302,304 can fit together, and have greatly reduced the vehicle frame volume after folding.
Described head rod 301,303 and the second pipe link 302,304 are curved respectively.
The length of described the second pipe link 302,304 is longer than the length of head rod 301,303.
One end that described bracket of rear mounting 2 is connected with link span 3 is provided with the first groove 201 and the second through hole 202, the first tranverse connecting rods 305 and is positioned at the first groove 201, the second tranverse connecting rods 306 and is positioned at the second through hole 202.
Described the first groove 201 has the two ends of different sizes, the first groove 201 compared with the more close front support stand 1 of the relatively large end of small end.In the time that vehicle frame is deployed condition, the first tranverse connecting rod 305 be positioned at the first groove 201 compared with small end, in the time that vehicle frame is folded state, the first tranverse connecting rod 305 is positioned at the larger end of the first groove 201.
Folded bicycle frame assembly also comprises the first position-limited lever 6, the second position-limited lever 7 and be arranged at the 3rd groove 8 on seat strut bar 4, one end of the first position-limited lever 6 is flexibly connected near one end of front support stand 1 with bracket of rear mounting 2, in the present embodiment, the junction of the first position-limited lever 6 and bracket of rear mounting 2 is positioned at the below of the first groove 201, the other end of the first position-limited lever 6 is positioned at the 3rd groove 8 and can slides along the 3rd groove 8, one end of the second position-limited lever 7 is connected with seat 5, the other end of the second position-limited lever 7 is connected with the first position-limited lever 6, along with the front end of seat is to lower swing, the second position-limited lever 7 moves down thereupon, drive the first position-limited lever 6 to move down, the first position-limited lever 6 is provided with the positioner 601 that is shaped as hook-type or arc near one end of the first groove 201, the hook-type of positioner 601 or the opening of arc are towards the direction of front support stand 1.In the time that vehicle frame is folded state, the front end of seat 5, to lower swing, drives the second position-limited lever 7 and drives the first position-limited lever 6 to move downward, now, the first tranverse connecting rod 305 slides into the larger end place of the first groove 201 and pushes down the first position-limited lever 6, and the first position-limited lever 6 is formed to locking.While opening vehicle frame, unclamp the first locking of tranverse connecting rod 305 to the first position-limited lever 6, seat 5 upwards swings, drive the second spacing thick stick 7 and the first position-limited lever 6 upwards to swing, the first tranverse connecting rod 305 slide into the first groove 201 compared with small end, positioner 601 block the first tranverse connecting rod 305 to its form locking.
Folded bicycle frame assembly also comprises hook 9 and is arranged at the 4th tranverse connecting rod 901 of seat 5 belows, linking up with 9 one end is connected with seat 5, when described folded bicycle frame assembly is folded state, the hook portion of hook 9 can be hooked the 3rd tranverse connecting rod 103 being arranged on front support stand 1, locks the folded state of whole folded bicycle; In the time that folded bicycle need to launch, only need to unclamp hook 9 by the 3rd tranverse connecting rod 103, can open easily folded bicycle; After folded bicycle is opened, hook 9 can hook the 4th tranverse connecting rod 901, and the position of fixing and pinning seat 5, prevents that seat 5 from swinging up and down.Hook is provided with the switch 902 that can control hook 9 folding conditions on 9, and switch 902 can, for inserting the device that spring, latch or other can switch fixed folding conditions, can be opened hook 9 by switch 902 easily.
Folded bicycle frame assembly also comprises the damping arrangement 10 arranging between link span 2 and bracket of rear mounting 3, and damping arrangement 10 can be hydraulic pressure or spring.
In addition, link span 2 can also have three kinds of other similar structural changes with the junction of bracket of rear mounting 3, as shown in Fig. 6-11, Fig. 6,7 has represented a kind of link span 2 with the second long pipe link 302,304 and shorter head rod 301,303, and the relatively structure of the more close front support stand 1 of small end of the larger end of the first groove 201; Fig. 8,9 has represented a kind of link span 2 with the second shorter pipe link 302,304 and longer head rod 301,303, and the larger end of the first groove 201 relatively small end more away from the structure of front support stand 1; Figure 10,11 has represented a kind of link span 2 with the second shorter pipe link 302,304 and longer head rod 301,303, and the relatively structure of the more close front support stand 1 of small end of the larger end of the first groove 201.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (10)
1. a folded bicycle frame assembly, it is characterized in that, comprise front support stand (1), bracket of rear mounting (2), connect link span (3) and the seat strut bar (4) of front support stand (1) and bracket of rear mounting (2), wherein, on front support stand (1), be provided with directional controller (101), front support stand (1) bottom is provided with front-wheel (102), one end of bracket of rear mounting (2) is connected with link span (3), the other end is provided with trailing wheel (201), seat strut bar (4) lower end is connected with bracket of rear mounting (2), front support stand (1) or link span (3) rotate around front support stand (1) and the junction of link span (3), link span (3) or bracket of rear mounting (2) rotate around link span (3) and the junction of bracket of rear mounting (2), bracket of rear mounting (2) or seat strut bar (4) rotate around bracket of rear mounting (2) and the junction of seat strut bar (4), the upper end of seat strut bar (4) is provided with seat (5), seat (5) is flexibly connected with seat strut bar (4).
2. folded bicycle frame assembly according to claim 1, it is characterized in that, described link span (3) comprises 2 head rods that are set up in parallel (301, 303), 2 the second pipe links (302 that are set up in parallel, 304), the first tranverse connecting rod (305) and the second tranverse connecting rod (306), wherein, the second pipe link (302, 304) be positioned at head rod (301, 303) below, head rod (301, 303) one end and the second pipe link (302, 304) one end is flexibly connected with front support stand (1) respectively, the two ends of the first tranverse connecting rod (305) are connected with the other end of head rod (301) and the other end of head rod (303) respectively, the two ends of the second tranverse connecting rod (306) are connected respectively at the other end of the second pipe link (302) and the other end of the second pipe link (304), the first tranverse connecting rod (305) and the second tranverse connecting rod (306) are flexibly connected with bracket of rear mounting (2) respectively.
3. folded bicycle frame assembly according to claim 2, it is characterized in that, described link span (3) also comprises that front end erects connecting strap (307, 308) and the perpendicular connecting strap (309 in rear end, 310), wherein, front end erects connecting strap (307, 308) be fixedly connected with front support stand (1), front end erects connecting strap (307) and connects respectively head rod (301) and the second pipe link (302), front end erects connecting strap (308) and connects respectively head rod (303) and the second pipe link (304), rear end is erected connecting strap (309) and is connected respectively head rod (301) and the second pipe link (302), rear end is erected connecting strap (310) and is connected respectively head rod (303) and the second pipe link (304), connecting strap (309 is erected in rear end, 310) be positioned at link span (2) near bracket of rear mounting (2) one end.
4. folded bicycle frame assembly according to claim 3, is characterized in that, front end erects connecting strap (307), the perpendicular connecting strap (309) in rear end forms parallelogram with the junction of head rod (301) and the second pipe link (302) respectively; Front end erects connecting strap (308), the perpendicular connecting strap (310) in rear end forms parallelogram with the junction of head rod (303) and the second pipe link (304) respectively.
5. folded bicycle frame assembly according to claim 2, is characterized in that, the length of described the second pipe link (302,304) is longer than the length of head rod (301,303).
6. folded bicycle frame assembly according to claim 2, it is characterized in that, one end that described bracket of rear mounting (2) is connected with link span (3) is provided with the first groove (201) and the second through hole (202), the first tranverse connecting rod (305) is positioned at the first groove (201), the second tranverse connecting rod (306) is positioned at the second through hole (202), described the first groove (201) has the two ends of different sizes, the first groove (201) compared with the more close front support stand of the relatively large end of small end (1).
7. folded bicycle frame assembly according to claim 6, it is characterized in that, also comprise the first position-limited lever (6), the second position-limited lever (7) and be arranged at the 3rd groove (8) on seat strut bar (4), one end of the first position-limited lever (6) is flexibly connected near one end of front support stand (1) with bracket of rear mounting (2), the other end of the first position-limited lever (6) is positioned at the 3rd groove (8) and can slides along the 3rd groove (8), one end of the second position-limited lever (7) is connected with seat (5), the other end of the second position-limited lever (7) is connected with the first position-limited lever (6), the first position-limited lever (6) is provided with near one end of the first groove (201) the positioner (601) that is shaped as hook-type or arc, the hook-type of positioner (601) or the opening of arc are towards the direction of front support stand (1).
8. folded bicycle frame assembly according to claim 1, is characterized in that, also comprises hook (9) and is arranged at the 4th tranverse connecting rod (901) of seat (5) below, and hook (9) one end is connected with seat (5).
9. folded bicycle frame assembly according to claim 8, is characterized in that, on hook (9), is provided with the switch (902) that can control hook (9) folding condition.
10. folded bicycle frame assembly according to claim 1, is characterized in that, also comprises the damping arrangement (10) arranging between link span (2) and bracket of rear mounting (3), and damping arrangement (10) can be hydraulic pressure or spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320666641.1U CN203623873U (en) | 2013-10-28 | 2013-10-28 | Folding bicycle frame assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320666641.1U CN203623873U (en) | 2013-10-28 | 2013-10-28 | Folding bicycle frame assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203623873U true CN203623873U (en) | 2014-06-04 |
Family
ID=50810374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320666641.1U Expired - Fee Related CN203623873U (en) | 2013-10-28 | 2013-10-28 | Folding bicycle frame assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203623873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186520A (en) * | 2020-01-21 | 2020-05-22 | 吴旭 | Portable folding scooter |
-
2013
- 2013-10-28 CN CN201320666641.1U patent/CN203623873U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186520A (en) * | 2020-01-21 | 2020-05-22 | 吴旭 | Portable folding scooter |
| CN111186520B (en) * | 2020-01-21 | 2021-11-16 | 吴旭 | Portable folding scooter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20171028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |