CN203844920U - Folding bicycle - Google Patents
Folding bicycle Download PDFInfo
- Publication number
- CN203844920U CN203844920U CN201420255258.1U CN201420255258U CN203844920U CN 203844920 U CN203844920 U CN 203844920U CN 201420255258 U CN201420255258 U CN 201420255258U CN 203844920 U CN203844920 U CN 203844920U
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- CN
- China
- Prior art keywords
- assembly
- back vent
- crossbeam
- fork assembly
- front fork
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a folding bicycle. The upper end of a rear fork assembly and the upper end of a front fork assembly are connected through a connecting rod. The connecting rod comprises a positioning part and a movable rod. One end of the positioning part and one end of the movable rod are connected in a rotating mode through a hinge pin. The upper end of the rear fork assembly is movably connected to the connecting rod in a sleeved mode, and the other end of the positioning part and the other end of the movable rod are respectively provided with a limiting structure for limiting slippage of the rear fork assembly. The positioning part is connected with the front fork assembly in a rotating mode, and the axis of the part, for sliding of the rear fork assembly, on the positioning part is parallel to the axis of a rear wheel. When the folding bicycle is in the unfolded state, the structure is stable, when the folding bicycle is folded, the front fork assembly and the rear fork assembly can be pulled away in the transverse direction, then the front fork assembly is rotated to be roughly flush with the rear fork assembly to form a support, a beam assembly is drawn towards the rear fork assembly, and two wheels are drawn to be parallel to support the support. Folding is achieved and is convenient, the folding bicycle can be used as a small trailer after being folded and can be used for shopping and dragging luggage.
Description
Technical field
The utility model relates to a kind of folding bicycle.
Background technology
Modern city scale is increasing, also more and more for the mode of transportation of people's trip, aircraft, high ferro, automobile etc.But only have bicycle be suitable for city among a small circle within operation the vehicle, as increasing in the various communities in modern times, market, station etc., though within the scope of walking, distant, most suitable by bike.Especially folding bicycle, can fold while not riding.
The folding difficulty of current most of folding bicycle, cannot fold easily and fast or launch, and folding bicycle function singleness, can only be as the use of riding instead of walk.
Utility model content
The technical problems to be solved in the utility model is: provide a kind of folding convenient and folding after conveniently draw capable folding bicycle.
In order to solve the problems of the technologies described above, the utility model comprises handlebar, vehicle frame, front-wheel, trailing wheel, vehicle seat and pedal power mechanism, described vehicle frame comprises front fork assembly, back vent assembly and transverse beam assembly, front-wheel rotates the lower end that is arranged on front fork assembly, vehicle seat is arranged on back vent assembly, pedal power mechanism is arranged on transverse beam assembly, handlebar is fixed on the upper end of front fork assembly, the lower end of back vent assembly and the wheel shaft of trailing wheel are rotationally connected, transverse beam assembly comprise transverse beam assembly main body and with the hinged crossbeam of transverse beam assembly body rear after joint, after crossbeam, the lower end of joint and back vent assembly fixes, the front end of transverse beam assembly and the middle part of front fork assembly removably connect, the upper end of back vent assembly is connected by connecting rod with the upper end of front fork assembly, connecting rod comprises locations and portable bar, locations one end and portable bar one end are rotationally connected by bearing pin, the movable upper end of back vent assembly is socketed on connecting rod, the other end of the locations other end and portable bar is respectively provided with for limiting the position limiting structure of back vent assembly slippage, locations and front fork assembly are rotationally connected, axis and the hind axle line parallel of the part of sliding for back vent assembly on locations.
For the ease of making and installing, described locations comprises mobile jib and secondary bar, and secondary bar is fixed on the downside at the middle part of mobile jib, and back vent assembly is enclosed within on mobile jib, secondary bar is the position limiting structure on described locations, and the lower end of secondary bar is connected by oscillating bearing with the upper end of front fork assembly.
In order to make folding rear more compact structure, when dilatory, motion is more steady, the axis of described mobile jib equates to the distance of front-wheel axis and trailing wheel axis, on the wheel shaft of trailing wheel and on the wheel shaft of front-wheel, be respectively provided with a Connector Clip, two Connector Clips match, when vehicle frame is during in folded state, two Connector Clips are plugged in together.
For handlebar can be folded, described handlebar comprises left handle, link span and right handle, and left handle is bolted on the left end of link span, and right handle is bolted on the right-hand member of link span, and middle part and the front fork assembly of link span fix.
For the ease of at folded state fixed cross beam and be convenient at the fixing portable bar of open mode, described back vent assembly is provided with the bandage with thread gluing.
In order to make crossbeam be received in the downside of back vent assembly when folding, described transverse beam assembly main body comprises crossbeam and crossbeam front connector, crossbeam front connector is fixed on the front end of crossbeam, after crossbeam, the front end of joint and the rear end of crossbeam are articulated and connected, and after crossbeam, the hinge-point of joint and crossbeam is positioned at the downside of back vent assembly.
For convenient, on front fork assembly, dismantle and installation transverse beam assembly, described transverse beam assembly is connected with front fork assembly with lock pin by fix shaft, fix shaft rotates and is arranged on front fork assembly, transverse beam assembly is enclosed within on fix shaft, the upper surface of fix shaft is provided with lockhole, lock pin comprises inserted link and is fixed on the limit dais of inserted link upper end, inserted link is inserted in the lockhole of fix shaft, in the rotation process of inserted link in lockhole, limit dais has and enters fix shaft end face completely and part is stretched out fix shaft end face the state of gear outside transverse beam assembly.
For ease of realizing, described limit dais and inserted link eccentric setting.
For the ease of baggage container or storing basket are installed, described back vent assembly is provided with the fixed sturcture of baggage container or storing basket.
In order to work as shopping cart or baggage container use after folding, on described back vent assembly, be fixed with baggage container or storing basket.
The beneficial effects of the utility model are: the front fork assembly of vehicle frame of the present utility model and back vent assembly adopt special connection structure, during open mode, vehicle frame consists of the vehicle frame of a cardinal principle state triangular in shape front fork assembly, back vent assembly and transverse beam assembly, Stability Analysis of Structures, when folding, front fork assembly and back vent assembly can be pulled open in a lateral direction, then front fork assembly is turned to roughly concordant with back vent assembly, form a support, transverse beam assembly draws in to back vent assembly, two wheels draw in side by side, carry out supporting bracket.Realize and folding, and folding convenient, after folding, can work as towing dolly and use, can be for shopping and dilatory luggage.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the utility model open mode;
Fig. 2 is the perspective view of the utility model open mode;
Fig. 3 is the perspective view of the utility model folded state;
Fig. 4 is the main TV structure schematic diagram of the utility model folded state;
Fig. 5 is F-F cutaway view Amplified image in Fig. 1;
Fig. 6 is B partial enlarged drawing (semi-sictional view) in Fig. 1;
Fig. 7 is I-I profile in Fig. 4;
Fig. 8 is the structural representation of the utility model specific embodiment two;
Fig. 9 is the structural representation of the utility model specific embodiment three;
In figure: 1, handlebar, 2, front fork assembly, 3, front-wheel, 4, transverse beam assembly, 5, pedal power mechanism, 6, trailing wheel, 7, back vent assembly, 8, vehicle seat, 9, connecting rod, 10, oscillating bearing, 11, bearing seat, 12, fix shaft, 13, bearing, 14, lock pin, 15, baggage container, 16, storing basket.
1-1, left handle, 1-2, link span, 1-3, right handle, 2-1, Connection Block, 2-2, front fork girder, 2-3, cross beam support, 4-1, crossbeam front connector, 4-2, crossbeam, 6-1, Connector Clip, 7-1, back vent joint, 7-2, back vent girder, 7-3, bandage, 7-4, bracket, 7-5, hook, 7-6, hook, joint after 7-7, crossbeam, 9-1, locations, 9-2, portable bar.
The specific embodiment
specific embodiment one
A kind of specific embodiment as shown in Figure 1, it comprises handlebar 1, vehicle frame, front-wheel 3, trailing wheel 6, vehicle seat 8 and pedal power mechanism 5, vehicle frame comprises front fork assembly 2, back vent assembly 7 and transverse beam assembly 4.
As shown in Figure 2, vehicle frame comprises front fork assembly 2, back vent assembly 7 and transverse beam assembly 4.
Front fork assembly 2 comprises Connection Block 2-1, front fork girder 2-2 and cross beam support 2-3, and Connection Block 2-1 is fixed on the upper end of front fork girder 2-2, and cross beam support 2-3 is fixed on front fork girder 2-2 middle part.
Back vent assembly 7 comprises back vent joint 7-1, back vent girder 7-2, the bandage 7-3 with thread gluing, bracket 7-4, hook 7-5 and hook 7-6, back vent joint 7-1 is fixed on the upper end of back vent girder 7-2, bandage 7-3, vehicle seat 8, bracket 7-4, hook 7-5 and hook 7-6 are all fixed on back vent girder 7-2 above and are arranged in order on back vent girder 7-2,7-3 is the most top for bandage, and the lower end of back vent girder 7-2 is rotated and is arranged on the wheel shaft of trailing wheel 6.
Transverse beam assembly 4 comprises joint 4-3 after crossbeam front connector 4-1, crossbeam 4-2 and crossbeam, crossbeam front connector 4-1 is fixedly connected with the front end of crossbeam, after crossbeam, the rear end of joint 4-3 and crossbeam 4-2 is articulated and connected, after crossbeam, joint 4-3 rotates and is arranged on the wheel shaft of trailing wheel 6, and after crossbeam, the lower end of joint 4-3 and back vent girder 7-2 is fixed.
The lower end of front fork girder 2-2 and the wheel shaft of front-wheel 3 are rotationally connected.
Handlebar 1 comprises left 1-1, link span 1-2 and right 1-3, the left left end that 1-1 is bolted on to link span 1-2, and the right right-hand member that 1-3 is bolted on to link span 1-2, the middle part of link span 1-2 is fixed on Connection Block 2-1.By the degree of tightness of adjusting bolt, can make left 1-1 and right that 1-3 is folding around link span 1-2.Link span 1-2 comprises T shape part and fixed link, and the middle body of rod of T shape part is inserted in fixed link, and fixed link is provided with binding bolt, left 1-1 and the right two ends that 1-3 are bolted on respectively to T shape part.Handlebar 1 is fixed on front fork assembly 2 by fixed link.
As shown in Fig. 5 and Fig. 7, front fork assembly 2 is connected by connecting rod 9 with back vent assembly 7.Connecting rod 9 comprises locations 9-1 and portable bar 9-2, and locations 9-1 comprises mobile jib and secondary bar, and secondary bar is fixed on the downside at the middle part of mobile jib.
Mobile jib one end of locations 9-1 and portable bar 9-2 one end are rotationally connected by bearing pin, back vent joint 7-1 is actively socketed on connecting rod 9, because be pivot bush unit, back vent joint 7-1 can axial translation and rotation on locations 9-1 and portable bar 9-2, the other end of the other end of the mobile jib of locations 9-1 and portable bar 9-2 is respectively provided with for limiting the position limiting structure of back vent joint 7-1 slippage, in this specific embodiment, secondary bar serves as the position limiting structure on locations 9-1, can certainly separately establish a position limiting structure.The lower end of secondary bar is connected by oscillating bearing 10 with Connection Block 2-1, can certainly adopt the rolling bearing of other form to hold, and is provided with bearing seat 11 in Connection Block 2-1, and the bottom of oscillating bearing 10 is arranged in bearing seat 11.The axis of the mobile jib of locations 9-1 is parallel with the axis of trailing wheel 6.The axis of mobile jib equals the axis of mobile jib to the distance of the axis of trailing wheel 6 to the distance of the axis of front-wheel 3.
As shown in Figure 6, transverse beam assembly 4 is connected with front fork assembly 2 with lock pin 14 by fix shaft 12, fix shaft 12 rotates and is arranged on the cross beam support 2-3 of front fork assembly 2, in crossbeam front connector 4-1, be provided with bearing 13, the inner hole sleeve of bearing 13 is on fix shaft 12, the upper surface of fix shaft 12 is provided with lockhole, and lock pin 14 comprises inserted link and is fixed on limit dais, limit dais and the inserted link eccentric setting of inserted link upper end.Inserted link is inserted in the lockhole of fix shaft 12, and in the rotation process of inserted link in lockhole, limit dais has end face the state of gear outside crossbeam front connector 4-1 that enters the end face of fix shaft 12 completely and partly stretch out fix shaft 12.
Pedal power mechanism 5 is arranged on crossbeam 4-2.The wheel shaft of trailing wheel 6 is provided with Connector Clip 6-1, and the wheel shaft of front-wheel 3 is provided with another Connector Clip, and two Connector Clips match, and when vehicle frame is during in folded state, two Connector Clips are plugged in together.
The present embodiment is most preferred embodiment of the present utility model, the utility model main innovate point is connected by connecting rod with back vent assembly at front fork assembly, when folding, front fork assembly and back vent assembly can be pulled open to certain distance, then the two can turn to side by side, realizes a kind of new-type folding mode.And the distance of utilizing front fork assembly and back vent assembly to pull open, places baggage container or storing basket, as baggage car and shopping cart.
Method for folding:
1, first that handlebar 1 is folding, as Fig. 3, unclamp the bolt on handlebar 1, by left, 1-3 is turn 90 degrees backward 1-1 is right, to pusher T shape part, then screw bolt, complete folding of handlebar 1.
2, refolding vehicle frame, rotates lock pin 14, makes limit dais enter the end face of fix shaft 12 completely, upwards draws crossbeam 4-2, makes transverse beam assembly 4 depart from front fork assembly 2, and crossbeam 4-2 is turned to the lower end of back vent assembly 7, by bandage 7-3 tighten.By portable bar 9-2 move to the mobile jib of locations 9-1 point-blank, slip back vent joint 7-1 is to the position limiting structure on portable bar 9-2.Pull front fork assembly 2, portable bar 9-2 is rotated in back vent joint 7-1.Front fork assembly 2 rotates thereupon, until that front-wheel 3 turns to trailing wheel 6 is coaxial, by two Connector Clips on front-wheel 3 and trailing wheel 6 to inserting.Complete the folding of vehicle frame, as shown in Figure 3 and Figure 4; The dolly that after folding, one of formation can be dilatory.Can load onto baggage container and storing basket, realize the various motion functions such as pull bar effect of baggage car, shopping cart.
Deployment method:
1, open vehicle frame: two Connector Clips are taken apart, pulled open forward front-wheel 3.Back vent joint 7-1 is slided on the mobile jib of locations 9-1, rotating portable bar 9-2 is attached on back vent assembly 7 portable bar 9-2, unclamp crossbeam 4-2, use again bandage 7-3 tighten portable bar 9-2, crossbeam front connector 4-1 is set on fix shaft 12, rotate lock pin 14, by crossbeam front connector 4-1 locking, realize vehicle frame and open.
2, open again handlebar 1, unclamp bolt, by left, 1-1 with right 1-3 is launched, then move T shape part to forefront.Tight a bolt again, realize opening of handlebar 1.
specific embodiment two
As shown in Figure 8, this tool is stopped embodiment bis-and on the basis of specific embodiment one, has been increased baggage container 15, and baggage container 15 is fixed on back vent assembly 7.
specific embodiment three
As shown in Figure 9, this tool is stopped embodiment tri-and on the basis of specific embodiment one, has been increased storing basket 16, and storing basket 16 is fixed on back vent assembly 7.
Claims (10)
1. a folding bicycle, comprise handlebar, vehicle frame, front-wheel, trailing wheel, vehicle seat and pedal power mechanism, it is characterized in that: described vehicle frame comprises front fork assembly, back vent assembly and transverse beam assembly, front-wheel rotates the lower end that is arranged on front fork assembly, vehicle seat is arranged on back vent assembly, pedal power mechanism is arranged on transverse beam assembly, handlebar is fixed on the upper end of front fork assembly, the lower end of back vent assembly and the wheel shaft of trailing wheel are rotationally connected, transverse beam assembly comprise transverse beam assembly main body and with the hinged crossbeam of transverse beam assembly body rear after joint, after crossbeam, the lower end of joint and back vent assembly fixes, the front end of transverse beam assembly and the middle part of front fork assembly removably connect, the upper end of back vent assembly is connected by connecting rod with the upper end of front fork assembly, connecting rod comprises locations and portable bar, locations one end and portable bar one end are rotationally connected by bearing pin, the movable upper end of back vent assembly is socketed on connecting rod, the other end of the locations other end and portable bar is respectively provided with for limiting the position limiting structure of back vent assembly slippage, locations and front fork assembly are rotationally connected, axis and the hind axle line parallel of the part of sliding for back vent assembly on locations.
2. folding bicycle according to claim 1, it is characterized in that: described locations comprises mobile jib and secondary bar, secondary bar is fixed on the downside at the middle part of mobile jib, back vent assembly is enclosed within on mobile jib, secondary bar is the position limiting structure on described locations, and the lower end of secondary bar is connected by oscillating bearing with the upper end of front fork assembly.
3. folding bicycle according to claim 2, it is characterized in that: the axis of described mobile jib equates to the distance of front-wheel axis and trailing wheel axis, on the wheel shaft of trailing wheel and on the wheel shaft of front-wheel, be respectively provided with a Connector Clip, two Connector Clips match, when vehicle frame is during in folded state, two Connector Clips are plugged in together.
4. folding bicycle according to claim 3, it is characterized in that: described handlebar comprises left handle, link span and right handle, left handle is bolted on the left end of link span, and right handle is bolted on the right-hand member of link span, and middle part and the front fork assembly of link span fix.
5. folding bicycle according to claim 4, is characterized in that: described back vent assembly is provided with the bandage with thread gluing.
6. according to the folding bicycle described in any one in claim 1-5, it is characterized in that: described transverse beam assembly main body comprises crossbeam and crossbeam front connector, crossbeam front connector is fixed on the front end of crossbeam, after crossbeam, the front end of joint and the rear end of crossbeam are articulated and connected, and after crossbeam, the hinge-point of joint and crossbeam is positioned at the downside of back vent assembly.
7. folding bicycle according to claim 6, it is characterized in that: described transverse beam assembly is connected with front fork assembly with lock pin by fix shaft, fix shaft rotates and is arranged on front fork assembly, transverse beam assembly is enclosed within on fix shaft, the upper surface of fix shaft is provided with lockhole, lock pin comprises inserted link and is fixed on the limit dais of inserted link upper end, inserted link is inserted in the lockhole of fix shaft, in the rotation process of inserted link in lockhole, limit dais has and enters fix shaft end face completely and part is stretched out fix shaft end face the state of gear outside transverse beam assembly.
8. folding bicycle according to claim 7, is characterized in that: described limit dais and inserted link eccentric setting.
9. folding bicycle according to claim 8, is characterized in that: described back vent assembly is provided with the fixed sturcture of baggage container or storing basket.
10. according to the folding bicycle described in any one in claim 1-5, it is characterized in that: on described back vent assembly, be fixed with baggage container or storing basket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420255258.1U CN203844920U (en) | 2014-05-19 | 2014-05-19 | Folding bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420255258.1U CN203844920U (en) | 2014-05-19 | 2014-05-19 | Folding bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203844920U true CN203844920U (en) | 2014-09-24 |
Family
ID=51557968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420255258.1U Withdrawn - After Issue CN203844920U (en) | 2014-05-19 | 2014-05-19 | Folding bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203844920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979048A (en) * | 2014-05-19 | 2014-08-13 | 毕白立 | Folding bicycle |
-
2014
- 2014-05-19 CN CN201420255258.1U patent/CN203844920U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979048A (en) * | 2014-05-19 | 2014-08-13 | 毕白立 | Folding bicycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140924 Effective date of abandoning: 20160914 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |