CN2245026Y - Folding bicycle - Google Patents

Abstract

The utility model relates to a folding bicycle which is formed by changing partial components on the basis of ordinary bicycles. In the utility model, a main rod, a front rod, a back rod, an upper rod, a lower rod, a sway rod and a back supporting rod all can be folded by rotating shafts, a bicycle handle, a bicycle tail rack and an object loading box can all be folded, and a driving assembly is added with a speed changing mechanism. The utility model has no need for changing the traditional riding posture and the traditional force using habit at time of being used, when the use of the utility model is ended, the utility model can be conveniently and fast folded, the folded occupation area of the utility model is small, and the utility model can be freely placed at any corner. The utility model can be used as a luggage vehicle after first folding and is especially suitable for being used for traveling people and evection people, and the utility model has the advantages of convenience, handiness, high safety, practicality, easy fabrication, low cost and easy maintenance.

Description

Folding Bicycle

The utility model belongs to the bicycle field, particularly a kind of can folding of bicycle.

Since coming out with the bicycle of back-wheel drive, bicycle just from hunt for novelty, toy and transfer the practical vehicle to.But along with the development of society, especially the density of city, population is increasing, but the occupation space ratio constantly reduce, the weakness of bicycle has also appeared to come out step by step, bicycle has become people's burden on the contrary after finishing using.Because bicycle itself from great, take very much the place when parking again, be difficult to deposit, especially more inconvenient to the resident family of living high-rise building.Owing to there are not enough places to park, the phenomenon that bicycle disorderly stops leaving about is serious, has caused road congested, and traffic accident is frequent; In recent years more occurred allowing thief seek loopholes greatly, the bicycle theft case takes place repeatedly, is difficult to check, and brings unnecessary loss to broad masses.Though the production of bicycle more and more to the development of miniaturization hand-held design, can not make moderate progress to above-mentioned situation, and, the too little drawback that also can thereupon bring balance and less stable of vehicle.

The purpose of this utility model is exactly for the deficiency of improving above-mentioned existing bicycle and drawback, can after using, fold easily and provide a kind of, be shelved on where all need not take how many areas, and carry also very light and handy Folding Bicycle.

The purpose of this utility model is achieved by following technical proposals, a kind of based on ordinary bicycle, the Folding Bicycle that changes the structure of part parts and constitute mainly is made up of handlebar, front and back wheel, vehicle seat, vehicle frame, driving assembly, escapement, tailstock frame, basket, foot support.The major technique feature all can fold at major parts such as vehicle frame, handlebar, tailstock frame and baskets.Mobile jib, preceding bar, upper boom, lower beam, hound, the rear pole that constitutes vehicle frame all is by the device that can fold of turning cylinder bonded assembly by escapement control, wherein lower beam, hound, rear pole all are that two bars, particularly lower beam still are telescopic pair of bar; Handlebar also be by be contained in by the Tong Yuan that joins mutually with preceding bar and one its left side inboard the device that can fold of escapement control; Drive assembly and between main chain dish and flywheel, increased transmission system; Tailstock frame and basket also all can fold; A steamboat respectively is equipped with in the both sides of foot support.

Design of the present utility model is to improve to form on the basis of existing common 24 cun bicycles, do not need big frock to improve during making, all spare and accessory parts that adopt are the spare and accessory parts of existing ordinary bicycle, cost and ordinary bicycle are similar, do not need to change traditional posture by bike during use and the custom of exerting oneself, folding operation makes things convenient for speed quick, folding back floor area is little, can be placed in any corner easily, neither can influence the traffic and the appearance of the city because of arbitrarily placing, can prevent the stolen of bicycle again effectively, after folding for the first time, also can be used as baggage car and use that the people who goes on business that is particularly suitable for travelling uses.Have conveniently, light and handy, safe, practical, the characteristics of making simple, cheap and easy maintenance.

Accompanying drawing of the present utility model and drawing are described as follows:

Fig. 1 is that structural representation of the present utility model is always schemed;

Fig. 2 is the construction profile scheme drawing of the utility model after folding fully;

Fig. 3 is the structural representation after each parts of the utility model vehicle frame decompose;

Fig. 4 is the structural representation of the utility model handlebar opening procedure;

Fig. 5 is the structural representation of the utility model frame escapement;

Fig. 6 is the structural representation that is the baggage car shape after the utility model folds for the first time;

Fig. 7 is the Facad structure scheme drawing after the utility model folds (folding fully) for the second time.

The utility model is to be that design basis and design-calculated are a kind of can folding of bicycle with common 24 cun bicycles, thereby basic parts also all are the general-duty bicycle parts, installation form and ordinary bicycle are also much the same, do not state the device that belongs to known technology so do not tire out, do not have in the accompanying drawing fully the content of this part known technology to be illustrated yet at this.Technical characterictic of the present utility model is that partly vehicle frame and handlebar all are the folding devices by escapement control; Tailstock frame and basket also can fold; Drive on the assembly and increased transmission system; Installed steamboat on the foot support additional.Below in conjunction with drawings and Examples technical characterictic of the present utility model position is further described: the vehicle frame that can fold of the present utility model mainly is made up of mobile jib (20), preceding bar (4), upper boom (7), lower beam (25), hound (8), rear pole (11) and driving assembly (15).Mobile jib (20) be connected on vehicle seat (9) below, thereon,, the bottom is connected with an end of upper boom (7), back bar (11) and lower beam (25) respectively, the other end of upper boom (7) and lower beam (25) then is connected to the two ends of preceding bar (4), the upper end of preceding bar (4) also is connected with hound (8), the other end of hound (8) links to each other with driving assembly (15), and the other end of back bar (11) also is connected with driving assembly (15).The hound of vehicle frame (8), back bar (11) and lower beam (25) all are pair bars, wherein lower beam (25) two bars that still can stretch.Each parts of vehicle frame all are by turning cylinder (3) bonded assembly, and all black circles all are the turning cylinders (3) that connects each parts in accompanying drawing 1 and accompanying drawing 2.Whole vehicle frame is opened or folding control is all carried out by frame escapement (23) and lock system spanner (10), when vehicle frame is when opening shape, the grab of frame escapement (23) (26,27) is held in the bayonet socket (28) of lower beam (25) lower end respectively and drives on the boss (29) of assembly (15) front end, and the brake cable (21) on the lock system spanner (10) is tightened, and escapement spring (30) is in and opens shape.

The handlebar that can fold of the present utility model is by escapement (31) and rotary folding type handlebar (6) are constituted, when needing Foldable handlebar, earlier with handlebar Rotate 180 °, pull-up is the grab of escapement (31) (32) again, mention the garden logical (5) under the handlebar, can handlebar (6) is folding downwards by folding beam (33); When needs are opened handlebar (6), should mention handlebar (6), the garden that compresses logical (5), and will be held in the grab of escapement (31) (32) on handlebar (6) bottom and the bayonet socket (34) that preceding bar (4) links to each other.

Escapement of the present utility model has two parts, is respectively frame escapement (23) and escapement (31).Frame escapement (23) is made up of grab (26,27), escapement spring (30), lock system spanner (10) and brake cable (21), be installed in the outer end of the lower beam (25) and mobile jib (20) connecting place of vehicle frame, the root of grab (26,27) is connected as a single entity, and be connected with escapement spring (30), the other end of escapement spring (30) is connected with brake cable (21), lock system spanner (10) is connected with brake cable (21), and controls its action.Escapement (31) is made up of grab (32), logical garden (5) and folding beam (33), and a left side that is installed in handlebar is inboard.

Driving assembly of the present utility model (15) has comprised back vent (15), trailing wheel (16), flywheel (19), chain drum (24), foot-operated (22) and transmission system (14).Because it is little that the utility model volume after folding will be tried one's best, so adopted small diameter wheel less than 30CM, in order to guarantee that bicycle can be because of the wheel little slow-down in footpath, so increased a transmission system (14) at main chain dish (24) and flywheel (19) especially, this device is superimposed by two, and the diameter ratio is constituted by 1: 2 idle wheel mechanism.

Installed additional on the tailstock frame of the present utility model (12) two can opening and closing iron railings (35), folding when whole locomotive body, when the utility model can be made baggage car and uses, opening iron railings (35) can increase the width that holds object plane, be more convenient for the loading of luggage.

The utility model is in the top of trailing wheel (16), the back lower place of tailstock frame (12) has installed the basket that can amount to (13) additional, lower-left end of this basket (13) and tailstock frame (12) are fixed on jointly and drive on the assembly (15), and bottom righthand side then together is fixed in the other end that drives assembly (15) with foot support (18).

The utility model has installed a steamboat (17) respectively additional in the left and right sides of foot support (18) especially in order to be used as the baggage car use easily after folding.

When the utility model need be amounted to vehicle body, earlier with handlebar (6) Rotate 180 °, press the lock system spanner (10) on the lower rhabd (20) then, escapement (23) unclamps, pin vehicle seat (8) more on the other hand, upwards carry handlebar (6) on the other hand, all turning cylinders (3) all turn, and this moment, bicycle just can be folded into baggage car.Amount to for the second time as needs, will lead to (4) to the garden that the grab of escapement (31) (32) pull-up is mentioned under the handlebar earlier, with folding 180 ° downwards of handlebars (6), again basket is rolled well, just can bicycle is folding fully by folding beam (33).As will reopen vehicle body the time, need earlier handlebar (6) to be resetted, hold vehicle seat (8) then on the other hand, on the other hand the garden on the handlebar logical (4) are pressed, in this operating process, each escapement (23,31) is all finished grab and the action of relevant position buckled up automatically, and bicycle is opened fully, enters running condition.Folding need of the present utility model fold through twice and all finish, can make baggage car behind the folding band for the first time uses, operation folding and that open is all very quick, fold for the first time and only took for 1～2 second, fold for the second time and also only took for 2 seconds, the time that need use when reopening is identical with the folding time, and whole operation is convenient, flexible.

All spare and accessory parts that the utility model adopts are the spare and accessory parts of existing ordinary bicycle, and maintenance is easy, and cost and ordinary bicycle are similar, and function has but increased many, convenient material benefit.As making basket into put-put, and install shock absorbing apparatus additional, then can become motor-driven, the autocycle of folded form.

Claims (6)

1, a kind of is basic structure with the ordinary bicycle, the Folding Bicycle that changes the structure of part parts and constitute, main constituent elements has handlebar (6), front and back wheel (1,16), vehicle seat (9), vehicle frame, driving assembly (15), escapement (23,31), tailstock frame (12), basket (13) and foot support (18), and it is characterized in that constituting the mobile jib (20) of vehicle frame, preceding bar (4), upper boom (7), lower beam (25), hound (8), rear pole (11) all is the device of being controlled by frame escapement (23) by turning cylinder (3) bonded assembly that can fold; Handlebar (6) is by escapement (31) and rotary folding type handlebar (6) are constituted; Drive on the assembly (15) and increased transmission system (14); Tailstock frame (12) and basket (13) all can fold; A steamboat (17) respectively is equipped with in the both sides of foot support (18).

2, Folding Bicycle according to claim 1, lower beam (25), hound (8), the rear pole (11) that it is characterized in that vehicle frame all are two bars, and wherein lower beam (24) is a telescopic pair of bar.

3, Folding Bicycle according to claim 1 is characterized in that handlebar (6) is by being contained in the inboard device that can fold that escapement (31) is controlled in its left side by the logical garden (5) that joins mutually with preceding bar (4) and one.

4, Folding Bicycle according to claim 1, the transmission system (14) that it is characterized in that driving assembly (15) is contained between main chain dish (24) and the flywheel (19).

5, Folding Bicycle according to claim 1 is characterized in that having installed additional two iron railings that can fold (35) on tailstock frame (12).

6, Folding Bicycle according to claim 1 is characterized in that being installed in the basket (13) that drives between assembly (15) and the tailstock frame (12) is a casing that can fold.

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