CN88102095A

CN88102095A - Folded tourist bicycle

Info

Publication number: CN88102095A
Application number: CN 88102095
Authority: CN
Inventors: 张乾梁
Original assignee: Individual
Current assignee: Individual
Priority date: 1988-04-21
Filing date: 1988-04-21
Publication date: 1988-12-21

Abstract

The invention provides that a kind of to be converted into box-shaped tourism " folded tourist bicycle " device in the case and bag of packing into be the improvement of CN85102418A car, the advantage of this car is to adopt the ordinary bicycle form to be folded into box-shaped, the volume of the folding existing Folding Bicycle of volume ratio is little, with 16 cars is example, vehicle commander 1300mm can be folded into the volume of 580 * 540 * 240mm, duration of run about 10 seconds, the about 12.5kg of common material production weight, profile is seen accompanying drawing.

Description

The present invention relates to a kind of can folding, particularly can be folded into the box-shaped tourism of packing into and be carried on the folded tourist bicycle device that tourism is used in the case and bag, is the improvement of Chinese patent application CN85102418A " Foldable fravelling bicycle ".

Folding Bicycle is general to be folded with the structure of folding car body and the structure of flexible car body, " reciprocity Folding Bicycle " " Collapsible bicycle " produced in earlier stage as China; U.S. Pat 3015498 " Folding Bicycles that two foldings are three sections "; " the following bicycle " that Britain released in 1979 etc., but in use have such problem: the former amounts to volume excessive profile irregularity, feels that to the people essentiality that folds is little; Have when the latter uses and to carry out the shortcoming that segmentation tightens up.

In order to address this problem, common way is that car body is designed to trundle, can amount to into box-shaped and the structure of case and bag of packing into, and the fast lock of packing at folding position is released mechanism soon.But still have limitation: " the obforms Folding Bicycle on one side " that " the no blockchain Folding Bicycle " Japan that releases May nineteen eighty-two as the U.S. releases in June, 1986, the volume of amounting to is still bigger, can put in the roadlice goods bucket, inconvenience gets on a bus or train when being carried at tourism, applicability is relatively poor in China, as " the convertible bicycle " of the sack made by leather of packing into released the U.S. in June, 1986, " the full folding type bicycle " and above-mentioned " no blockchain Folding Bicycle " that China releases in July, 1986 then becomes independently high bar and extension bar structure because of seat rod after folding again; The length of handlebar becomes long too high type and adopts the two extension bar structures of handlebar, has influenced the mechanical strength of this position when car body uses significantly; The former " convertible bicycle " though the design on handlebar, increased two bar supports, used the section bar of seat rod instead, major defect does not still overcome, and complex structure, cost is also high.

The objective of the invention is to provide a kind of new improved.Adopt the folded tourist bicycle device of ordinary bicycle form, not only folding and expanding is convenient for it, car body uses good rigidly, the case and bag of packing into after folding are carried on tourism and use, and can under same wheel, amount to the box-shaped volume littler than existing Folding Bicycle, be Chinese patent application number: the further improved type of CN85102418A car, CN86103945 car, CN85300574 car.

But invention is achieved in that this basic structure of holding bar folding vehicle seat cartonning in the spider of continuing to use the CN85102418A car; Automatically the structure of doubling when the structure that is overlapped into " it " font with car beam and wheel increases by two handlebar foldings; On car core standpipe, increase spring chain and socket part and steel ball lock nested structure; Pedal folds into box structure and realizes the present invention.

The present invention is because only need be on old bike, few simple self-made components structure is simple especially so the transformation of the way is accelerated, cost is also cheap, simultaneously because the point of view of invention is not leave the basic body structure of common bicycle commonly used, so practicality and rigidity are better; Easily accepted, in addition owing to, simple and easy ball bearing structure all is housed, so folding and expanding is very convenient at the folding position of full car by numerous users.

Below with reference to accompanying drawing invention is further described in detail:

Fig. 1 is the one-tenth car outside drawing of the folded tourist bicycle device of proposition according to the present invention.

Adopt flat tube straight turning beam as figure by car beam (3) in handlebar (1), car core standpipe (2), car beam (3), wheel (4), spider (5), flywheel (6), pedal (7), front fork (8) vehicle seat and the clothes hanger composition diagram, wheel (4) can be used same car wheel structure; Also can be little with front-wheel, the structure that trailing wheel is big, vehicle seat can shrink the inlet body when folding device, and a pedal of pedal (7) can reverse and fold in the case.Spider (5) is by the seat rod standpipe, but lower supporting rod can lock vehicle seat, clothes hanger and Che Liang (3) when forming as the figure expansion with the holding bars that can be folded into two joints.

Fig. 2 is the folded tourist bicycle folding device that proposes according to the present invention front view when becoming casing.

Socket by spring chain (9) as figure car core standpipe (2), two handle grip of handlebar (1) are held in the both sides of front-wheel (4), car beam (3) and front and back wheel (4) are overlapped into " it " font, the parallel folding of front and back wheel is contained in the casing (10), spider (5) clothes hanger going along with is amounted between seat rod standpipe and rear wheel, a pedal (7) and vehicle seat are rolled over after counter-rotating and are contained in the case, when adopting the structure of the back that is stacked in rear wheel, front-wheel among the figure changes little chain drum, increase rear wheel and change long casing (10), suitably adjust the angle of turning back (following) that front vehicle wheel is rolled over the casing of packing into simultaneously, the present invention can produce as diagram shape: the casing width that is folded into equals the big BMX (Bicycle Motocross) of the minimum folding volume of this device in rear wheel wheel footpath; " this device can produce into the volume car of 580 * 540 * 240mm during wheel; the duration of run of use about 10 seconds; the folding time is half a minute approximately; vehicle commander: 1300mm; high 950mm; changing a social system weight with ordinary bicycle accessory and material is 13Kg, and no mud plate and clothes hanger car are 12.5kg with the about 7kg of aluminum alloy production as adopting 16 when front and back wheel among the figure (4).

Fig. 3, Fig. 4 are handlebar (1) the foldable structure figure of the folded tourist bicycle device of proposition according to the present invention.Picture in picture 3A is the front view of handlebar (1), and Fig. 3 B is a left view.

Be inserted into as the handle (11) of figure handlebar (1) in " U " type pipe of handle base (12) and can rotate, (15) are car core upper risers among the figure, the retracing spring of handle among Fig. 4 (11), is pressed button on the lateral pin (14) steel ball group two handles (11) of can lock pin forced to move giving up the throne and is amounted to automatically immediately at device during folding at handlebar (1).The start point of two handles (11) that handlebar (1) uses by two handles (11) lower end in opposite directions angle of bend control generally can grasp at 10 °～18 °.(13) among the figure are the limiting steering grooves.The handle (11) of handlebar (1) is clamped front vehicle wheel (4) in the folding car body when being converted into box-shaped.

Fig. 5 is the assembled view of car core standpipe (2) He Cheliang (3) of the folded tourist bicycle device of proposition according to the present invention, and Fig. 5 A is the upper riser view, and Fig. 5 B is a car beam standpipe tipping view.The upper riser (15) of car core standpipe (2) and lower standing tube (16) are socketed by spring chain (9) as shown in the figure, during attaching by tenon (19) with connect post (18) combination, with steel ball group and lock tube (20) locking, when folding device, lift lock tube (20), after four lock core steel balls are given up the throne, can pull up upper riser (15), (17) are the bearing spring cups among the figure, (21) be steering block, (22) be loose-joint butt spare, (23) be manual safety locking pin, when (22) when loose-joint butt is pulled down, car beam (3) just separates with car core standpipe (2).Can deposit standby raincoat and small tools in the use in the beam chamber, this car steering block (21) also can be cancelled in the enforcement, use the common bassinet structure that car beam and standpipe weld mutually instead, but this structure limits the use of in big BMX (Bicycle Motocross).

Fig. 6 Fig. 7 Fig. 8 is steering block (21), car beam (3), loose-joint butt spare (22) topology view of the folded tourist bicycle of proposition according to the present invention, and wherein Fig. 7 A is that front view Fig. 7 B is a birds-eye view.

(21) are steering blocks as shown in Figure 6, long and two-short dash line is that car beam (3) is at the box-shaped bit position, in Fig. 7 car beam view: the beam headgear is welded with the reinforcement steel bushing, the afterbody of car beam (3) is cut 5 °～15 ° one oblique angle in vertical position, make car beam (3) in folding, can allow behind the rear wheel partially and front and back wheel (4) is overlapped into " it " font, Fig. 8 is the topology view of loose-joint butt (22), tightens up car beam (3) and steering block (21) by the composite bolt assembly, and (24) are the lock shaft bolts among the figure.

Fig. 9 is the pin axial region bit architecture view of the spider (5) of the folded tourist bicycle device of proposition according to the present invention.

Lower supporting rod (29) can be forced to move when folding device as shown in the figure, steel ball (25) compressing lock pin (26) is given up the throne, hold up beam spare (27) can set upright car beam (3) automatically when making car beam (3) ejection hold up beam spare (27) to launch, lock pin (26) can lock car beam (3), (30) are cydariform top covers among the figure, (31) be back timber spare, one of pin axle (28) has a spring base hole, and lock pin in the enforcement (26) also can adopt the structure of loose-joint butt (22) to tighten up.

Figure 10 Figure 11 Figure 12 be the folded tourist bicycle device that proposes according to the present invention spider (5) lock seat rod (35) but structure, attached vapour barrel structure and holding bar (38) topology view of being equipped with.

As shown in figure 10 when folding device, but the keyway piece (39) on Figure 12 holding bar (32) can be extracted lock pin (37) in seat rod (35) hole immediately in steel ball forced to move (33) displacement, the lower end of saddle tube standpipe (38) is equipped with gas fully and is chewed and see Figure 11, behind the equipped leather cup of seat rod (35), constitute the cushion gas cartridge, but leaving the holding bar (32) of beam intracavity figure 12 in, the used leather hose of inflator can be converted into two joints, the middle part lateral pin that has been welded, (40) be that an available joint cycle chain substitutes in the hinge trial-production, (41) be to lock steel bushing soon, make thrust by spring, Figure 10 structure also can adopt the nylon grip block structure of this car 86103945 in the enforcement.

Figure 13 is that the pedal (7) of the folded tourist bicycle device of proposition according to the present invention folds into the box structure view.Picture in picture 13A is a front view, and Figure 13 B is a birds-eye view.

As figure (43) is lock pin axle bolt spare, (42) are on the outer side plane of the push button element pedestal that is installed in pedal (7) among the standard shaft of turning back of double as pedal (7), the figure, as figure Built-in lock pin (45) when pressing the button part (42), release spring fore-set (44) can back down pedal (7), after 180 ° of counter-rotatings in the folding cartonning.(46) are chain drums among the figure.

Figure 14 is flywheel (6) topology view of the folded tourist bicycle device of proposition according to the present invention.

Be contained in the floral disc spare of skin (50) as figure ratchet (47), interchangeable little gear wheel (49) is inserted into the outside, and interchangeable little gear wheel (49) is equipped with several different teeth fully counts spare part, is used for selecting for use device to use the speed of a motor vehicle, and (48) are cappings among the figure.

Figure 15 is the hand barrow view during handlebar (1) in the attaching behind the small sheave of Folding Bicycle device on folding clothes hanger that proposes according to the present invention.

Figure 16, Figure 17 are that the disconnected fork of the folded tourist bicycle device that proposes according to the present invention overlaps view and the present invention unitized construction front view with wheel.Referring to this car 85102418 car birds-eye vieies, Figure 16 A is a front view, and Figure 16 B is the front view that can disconnect after the fork cover is instead adorned.

As shown in the figure, the lower end of front fork (8) is set with 2 eccentric prong spares: can disconnect fork cover (51) can increase the prong width behind anti-dress, as B, B ', when dress is used in the preceding prong of device, can utilize this structure front fork to be fitted in before and after another on hind axle with the wheel car removing front vehicle wheel, load onto four-bar linkage part and workshop the bowl lid place of Figure 17 front fork (in get through the hole) and strengthen strut and can form this car to car and the many seat coach of many wheels.

Aluminum alloy materials or engineering plastics parts are preferably adopted in enforcement of the present invention, further to alleviate car body weight, in the enforcement, according to constructional feature of the present invention, can also produce into collapsible physical fitness entrucking, children toy car is behind floating bag and underwater propeller, make water cycle into and add the colored drawing fitting instruction, can produce into similar cordwood system toy baby-carriage to this car part by the loose mail vanning.

Claims

1, can be folded into the bicycle device that is carried on the tourism use in the tourism case and bag of packing into after box-shaped particularly folds, this device has handlebar [1], car core standpipe [2], car beam [3], wheel [4], spider [5], flywheel [6], pedal [7], front fork [8] it is characterized in that:

Two handles [11] of a, described handlebar [1] are inserted in " U " type pipe of handle base [12] and can rotate,

B, described car core standpipe [2] divide and make upper riser [15] and lower standing tube [16], two pipes are socketed by spring chain [9],

The useful steering block of leading portion [21] of c, described car beam [3] and the structure of loose-joint butt [22] also useful directly with car core standpipe welded structure mutually,

D, the useful front and back wheel of described wheel [4] be with the big structure of the structure of the beam warp little trailing wheel of also useful front-wheel,

E, described spider [5] are can one of clothes hanger going along with folding, and the vehicle seat of device during expansion, clothes hanger, car beam are locked,

The ratchet [47] of f, described flywheel [6] is contained in the ginned cotton diskware [50], outside an interchangeable little chain wheel [49] tightly is inserted in,

G, described pedal [7] have a pedal can fold into casing,

Device can many cars combinations when using the structure that can disconnect fork cover [51] for h, described front fork [8].

2, it is characterized in that crooked in opposite directions 10 °～18 ° angles in two handles (11) lower end according to the described device of claim 1., two handles can be amounted to immediately automatically during button (14) on pressing " U " type pipe lateral pin.

3, it is characterized in that according to the described device of claim 1. upper riser (15) and lower standing tube (16) are with tenon (19) with connect post (18) and engage lock tube (20) locking.

4, it is characterized in that according to the described device of claim 1. afterbody of car beam (3) is cut 5 °～15 ° one oblique angle in vertical position, it becomes " it " font superimposed with wheel (4) when device is amounted to, change design-calculated steering angle between steering block and car beam when its leading portion is used the structure of loose-joint butt (22) and steering block (21), device can be overlapped into the casing width with the big structure of the little trailing wheel of front-wheel and equal rear wheel wheel footpath this device of type car.

5, it is characterized in that spider (5) according to the described device of claim 1. but by be converted into two the joint holding bars (32), lower supporting rod (29), seat rod standpipe (38) is formed, the vapour barrier part is housed on the seat rod standpipe fully, but the keyway piece (39) on the holding bar can be extracted lock pin (37) in seat rod (35) hole by steel ball forced to move (33) when folding device immediately, and lower supporting rod steel ball forced to move (25) pushes back lock pin (26) makes the ejection of car beam hold up beam spare (27)

6, it is characterized in that according to the described device of claim 1. interchangeable little chain wheel (49) has the spare part of several different tooth numbers.

7, the standard shaft of turning back that it is characterized in that pin axle bolt spare (43) the double as pedal of pedal (7) according to the described device of claim 1., one of pin axle (28) has a spring base hole, and a manual buttons (42) is installed on the outer side plane of pedal pedestal.

8, it is characterized in that disconnecting fork cover (51) are counter according to the described device of claim 1. and can increase the fork width when being contained on the front fork, the bowl lid of front fork is in composition Che Shineng assembling four is connected the machine mechanism part.

9, loose-joint butt according to claim 4 (22) is characterized in that adopting the multiple cover bolt arrangement axle bolt (24) that locks to tighten up.

10, it is characterized in that to use common material according to the described device of claim 1., aluminum alloy, engineering plastics are made folded tourist bicycle, collapsible physical fitness car, the toy for children perambulator, big BMX (Bicycle Motocross) adds the cordwood system toy baby-carriage of colored drawing fitting instruction and adds floating bag, the water cycle of underwater propeller.