CN101973339A

CN101973339A - Folding bicycle

Info

Publication number: CN101973339A
Application number: CN2010102938206A
Authority: CN
Inventors: 韩德玮; 郑汉信; 莫怡平
Original assignee: Dahon Technologies Ltd
Current assignee: Dahon Technologies Ltd
Priority date: 2010-09-25
Filing date: 2010-09-25
Publication date: 2011-02-16
Also published as: WO2012037798A1

Abstract

The invention discloses a folding bicycle. A bicycle beam comprises more than three sections which are hinged; each hinged shaft is transversely arranged; and an included angle is formed between the projection of the axis of the hinged shaft and the projection of the axis of a rear wheel on a horizontal plane. The folding bicycle has a simple structure and is practical; and the volume of the folded bicycle can be minimized.

Description

A kind of folding bicycle

Technical field

The present invention relates to a kind of folding bicycle, particularly a kind of can three the folding bicycles of folding.

Background technology

At present, folding bicycle is because of little, the easy to carry favor that is subjected to people day by day of parking space.Common practices is that folder is set on vehicle frame, and vehicle frame is divided into forward and backward two sections.Some three sections folding of bicycle have also appearred, for example, the patent disclosure that Chinese application number is CN200320110952.6 " multi-functional three folding este wagons ", before its car beam is divided into, in, three sections of backs, have two foldable structure 1-2 and 1-3, two structures all have the hinge that vertical direction is provided with, in the folding process, as its Fig. 2, shown in 3, vehicle frame rotates in horizontal surface, after folding, front and back wheel is parallel, the Che Liang stage casing perpendicular to the car beam before, back segment, though can save certain space like this, but,, then can make the transverse width behind the bicycle folding excessive if the Che Liang stage casing is long; If the Che Liang stage casing is too short, then can make the entire length behind the bicycle folding long, effect has at this moment just approached two folding cars, does not have the effect in due reduction space.

China application number be CN200520122005.8 patent disclosure " three folding bicycles ", its car beam is divided into to be three sections and to have two folding joints, the hinge axis of its folding joint is perpendicular to the vertical face of vehicle frame, promptly, the hinge axis axially parallel bicycle rear axle center direction of folding joint, two hinge axis 2-1 and 2-7 lay respectively at the heteropleural of car beam simultaneously, after folding, as its Fig. 5,7, shown in 8, before, trailing wheel closes up and offsets, the reduction entire length, but under this folding mode, the front and back length of folding back bicycle also has two wheel footpaths so long at least, does not reach to minimize.

Summary of the invention

The present invention aims to provide a kind of folding bicycle, and it is simple in structure, practical, volume behind the bicycle folding is reached minimize.

The technical solution adopted for the present invention to solve the technical problems is: a kind of folding bicycle, car beam have more than three sections, and each section car beam is articulated and connected, each hinge horizontally set, and the axis of described hinge and the projection of rear wheel rotation axis in horizontal surface have angle.

The car beam has leading portion, stage casing, back segment, and horizontal hinge is set between leading portion and the stage casing, and horizontal hinge is set between stage casing and the back segment.

Described hinge is arranged at car beam one side, with described hinge heteropleural latching device is set.

Be provided with the attaching parts that can participate in folding, the attaching parts front end connects car beam leading portion, pipe or reinforced pipe during the rear end is connected in.Described attaching parts is metal wool or the multistage pipe, rod or the chain that are serially connected.

Car beam downside is provided with auxiliary girder, and described auxiliary girder has canned paragraph and active segment, between active segment front end and canned paragraph end latching device is set, open latching device after, active segment is rotatable.

Folding bicycle of the present invention, car beam are three sections settings, and its hinge horizontally set and become angle with hind axle in rotation process, forms dislocation and further reduced volume after folding.Have under the situation of auxiliary girder, not only same folding easy, can also have higher intensity.

Description of drawings

Fig. 1 is the folding bicycle of the present invention deployed condition block diagram of riding;

Fig. 2 is the folding intermediateness block diagram of folding bicycle of the present invention;

Fig. 3 is the folding completion status front elevation of folding bicycle of the present invention;

Fig. 4 is the folding completion status block diagram of folding bicycle of the present invention;

Fig. 5 is that folding bicycle folding joint hinge of the present invention is in the horizontal surface perspective view;

Fig. 6 is the folding bicycle second embodiment front elevation of the present invention;

Fig. 7 is another scheme drawing of folding bicycle second embodiment of the present invention;

Fig. 8 is the folding intermediateness block diagram of folding bicycle second embodiment of the present invention;

Fig. 9 is the folding completion status block diagram of folding bicycle second embodiment of the present invention;

Figure 10 is folding bicycle the 3rd an embodiment front elevation of the present invention;

Figure 11 is folding bicycle the 4th an embodiment front elevation of the present invention;

Figure 12 is the folding completion status block diagram of folding bicycle the 4th embodiment of the present invention.

The specific embodiment

Below in conjunction with accompanying drawing folding bicycle of the present invention is described in further details.

First embodiment, as Fig. 1, the folding bicycle middle part has car beam 1, this car beam 1 comprises leading portion 11, stage casing 12, back segment 13, be provided with folding joint between these three sections car beams, this folding joint one side has hinge, and opposite side has latching device, between car beam leading portion 11 and the stage casing 12 folding joint 14 is set, between car beam back segment 13 and the stage casing 12 folding joint 15 is set.This folding joint 14 has hinge 16, and folding joint 15 has hinge 17, and these two hinges all are arranged at car beam downside.Between the vertical tube 2 of bicycle front end and the front fork folding joint is installed, this vertical tube 2 is collapsible.

As Fig. 5, axis I is a bicycle fore-and-aft direction axis, i.e. longitudinal axis, and hind axle 5 axis normal are in axis I, and folding joint hinge axis is not orthogonal to axis I.The hinge 16 of folding joint 14 and the hinge 17 of folding joint 15 all are horizontally set, and the axis of hinge 16 and the projection of rear wheel rotation axis in horizontal surface have certain angle, the axis of hinge 17 and the projection of rear wheel rotation axis in horizontal surface have certain angle, like this, in folding process,, front and rear wheel volume after folding is reached minimize thereby can forming dislocation.

As Fig. 2,3,4, be this folding bicycle folding process scheme drawing.When folding, can open the latching device on the folding joint earlier, Che Liang stage casing 12 is rolled over downwards, the downside of Che Liang stage casing 12 leading portions will withstand five-way pipe 3 outer walls, thus the further rotation in restriction stage casing 12.At five-way pipe 3 arranged outside location rubber cushion 31, buffer action is played in the stage casing in this folding process 12 and the collision of five-way pipe 3.At this moment, stage casing 12 is limited, and next step is 12 rotation direction along the stage casing, further rotates car beam leading portion 11, and the bicycle front and rear wheel is alignd substantially.At this moment, the bicycle transverse width after folding has only the width of two wheels, and length has only a wheel footpath to add top car beam to get length, makes the volume after folding very little.

Fix for the front and back wheel of doubling poststack, anchor fitting 4 is set between the two.First connecting element is set on back vent, on front fork or vertical tube 2, second connecting element is set, the locking that matches with the position of second connecting element of this first connecting element.For example, this anchor fitting 4 is magnetic clasp, and when front and back wheel was closed up, first connecting element and second connecting element were realized fixing by magnetic attraction; Perhaps, first connecting element is a mother's cover and son cover of pegging graft mutually and cooperating with second connecting element, can lock or unclamp between this mother's cover and the son cover.

Second embodiment, as Fig. 6,7, the folding bicycle middle part has the car beam, and this car beam comprises leading portion, stage casing, back segment, is articulated and connected between these three sections car beams, and hinge 16 is set between car beam leading portion and the stage casing, and hinge 17 is set between Che Liang stage casing and the back segment.The also oblique auxiliary girder that is provided with of this car beam downside, this auxiliary girder and car beam 1, middle pipe 7 one common peripheral triangularities, perhaps, this auxiliary girder and car beam 1, middle pipe 7 and head pipe 8 one common peripheral quadrangularlies, the bicycle of this structure is better than the steadiness of single-beam bicycle, and intensity is also higher.Hinge 16 and hinge 17 all are horizontally set, and the axis of hinge 16 and the projection of rear axle 5 axis in horizontal surface have certain angle, and the axis of hinge 17 and the projection of rear wheel rotation axis in horizontal surface have certain angle.

This auxiliary girder has canned paragraph 61 and active segment 62, canned paragraph 61 is welded in head pipe 8 or car beam leading portion, active segment 62 tail ends are by pipe 7 or five-way pipe in hinge 64 hinged being arranged at, active segment 62 leading portions and canned paragraph 61 ends are by latching device 63 lockings, after opening latching device 63, active segment 62 is rotatable.Middle pipe 7 is provided with clip, and for example the C type ring of a side opening is stuck on the clip after active segment 62 rotates, and prevents its landing.

As Fig. 8,9, be the folding process scheme drawing, open the latching device 63 of auxiliary girder earlier, with change on the active segment 62 be close in pipe 7 and fasten with clip, rotate the beam of getting on the bus again, the Che Liang stage casing is rolled over downwards, the downside of Che Liang stage casing leading portion will withstand five-way pipe 3 outer walls, thereby car beam leading portion is rotated in the further rotation in restriction stage casing 12 at last, and the bicycle front and rear wheel is alignd substantially.

The 3rd embodiment, as Figure 10, structure is basic identical with first embodiment, and its difference is, and the attaching parts 18 that can participate in folding in addition, these attaching parts 18 front ends connect car beam 1 leading portion, pipe 7 or reinforced pipe 19 during the rear end is connected in.Multistage rod or chain that this attaching parts 18 can be metal wool, be serially connected.

The 4th embodiment, as Figure 11,12, folding bicycle has the car beam, and this car beam comprises leading portion, stage casing, back segment, is articulated and connected between these three sections car beams; Have auxiliary girder simultaneously, this auxiliary girder also includes leading portion 91, stage casing 92, back segment 93, is articulated and connected between these three sections car beams.Its each hinge is horizontally set, and the axis of hinge and the projection of rear wheel rotation axis in horizontal surface have certain angle.Two hinge places at the car beam are provided with latching device simultaneously, and adjacent two sections car beams are locked or unclamped; Perhaps be provided with latching device simultaneously, adjacent two sections car beams are locked or unclamped at two hinge places of auxiliary girder.

In above each embodiment, it only is casehistory that the car beam is three sections, and the car beam also can be for more than three sections, and its principle is the same, repeats no more.

The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims

1. folding bicycle, the car beam has more than three sections, and each section car beam is articulated and connected, and it is characterized in that: each hinge horizontally set, the axis of described hinge and the projection of rear wheel rotation axis in horizontal surface have angle.

2. folding bicycle according to claim 1 is characterized in that: car beam (1) has leading portion (11), stage casing (12), back segment (13), and horizontal hinge is set between leading portion and the stage casing, and horizontal hinge is set between stage casing and the back segment.

3. folding bicycle according to claim 2 is characterized in that: described hinge is arranged at car beam one side, with described hinge heteropleural latching device is set.

4. folding bicycle according to claim 3 is characterized in that: be provided with the attaching parts (18) that can participate in folding, the attaching parts front end connects car beam leading portion, pipe or reinforced pipe during the rear end is connected in.

5. folding bicycle according to claim 4 is characterized in that: described attaching parts is metal wool or the multistage pipe, rod or the chain that are serially connected.

6. folding bicycle according to claim 2, it is characterized in that: car beam downside is provided with auxiliary girder, and described auxiliary girder has canned paragraph (61) and active segment (62), and latching device (63) is set between active segment front end and canned paragraph end, after opening latching device, active segment is rotatable.

7. folding bicycle according to claim 6 is characterized in that: described auxiliary girder canned paragraph (61) is fixed in head pipe or car beam (1) leading portion, pipe or five-way pipe during described active segment tail end is articulated in.

8. folding bicycle according to claim 6 is characterized in that: be provided with clip at middle pipe, when active segment turned near middle pipe, clip cooperated with active segment and fastening.

9. according to each described folding bicycle in the claim 2 to 8, it is characterized in that: in the folding position, Che Liang stage casing downside withstands five-way pipe (3) outer wall.

10. folding bicycle according to claim 9 is characterized in that: in described five-way pipe arranged outside location rubber cushion (31) is arranged.

11. according to each described folding bicycle in the claim 2 to 8, it is characterized in that: first connecting element is set on back vent, second connecting element is set on front fork or vertical tube, in folding completing place, the locking that matches with second connecting element of described first connecting element.

12. folding bicycle according to claim 11 is characterized in that: described first connecting element and second connecting element are magnetic clasp; Perhaps, first connecting element is a mother's cover and son cover of pegging graft mutually and cooperating with second connecting element, can lock or unclamp between described female cover and the son cover.