CN202320664U - Foldable bicycle - Google Patents

Foldable bicycle Download PDF

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Publication number
CN202320664U
CN202320664U CN201120446229XU CN201120446229U CN202320664U CN 202320664 U CN202320664 U CN 202320664U CN 201120446229X U CN201120446229X U CN 201120446229XU CN 201120446229 U CN201120446229 U CN 201120446229U CN 202320664 U CN202320664 U CN 202320664U
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CN
China
Prior art keywords
handlebar
frame
folding
vehicle seat
fixed
Prior art date
Application number
CN201120446229XU
Other languages
Chinese (zh)
Inventor
叶志飞
Original Assignee
叶志飞
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Filing date
Publication date
Application filed by 叶志飞 filed Critical 叶志飞
Priority to CN201120446229XU priority Critical patent/CN202320664U/en
Application granted granted Critical
Publication of CN202320664U publication Critical patent/CN202320664U/en

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Abstract

The utility model discloses a foldable bicycle comprising a foldable frame, a saddle pipe, a rear wheel fork for containing a rear wheel and a rear wheel drawing rod, wherein the foldable frame comprises rear side frames and a frame-shaped space is enclosed by the rear side frames; the lower end of the saddle pipe is arranged in the frame-shaped space and is connected with the rear side frames through pin shafts; the upper end of the rear wheel fork is connected with the rear end of the rear side frames through the pin shafts; the lower end of the rear wheel fork is connected with a wheel shaft of the rear wheel; the upper end of the rear wheel drawing rod is connected with the end part of the lower end of the saddle pipe through the pin shaft, and the lower end of the rear wheel drawing rod is connected with the wheel shaft of the rear wheel. The foldable bicycle provided by the utility model has the advantages of simple structure, compact size after the foldable bicycle is folded, and convenience for carrying.

Description

A kind of folding bicycle

Technical field

The utility model relates to bicycle, relates in particular to a kind of folding bicycle.

Background technology

Along with the progress of society, the development of the vehicle, People more and more is hankered after the quick and convenient of mode of transportation; Especially the tradition and the cycling trip mode of being favored forever not only are beneficial to environmental protection, and are beneficial to and take exercises and go out accommodating freedom; Therefore, along with the raising of living standard and quality of life, people pursue its carrying convenience more; Easy to operate, quick, safety hope that it can carry as other article.

The advantage of folding bicycle is to have is convenient to the compact structure of depositing or transporting; This makes them receive very much those welcomes of wanting to reduce parking space and user easy to carry, comprise the people that for example often is to and between the two places among these users, from the fan and the camper of amusement, the shopper goes window-shopping.In the prior art, folding bicycle adopts the involutory folding mode of pipe fitting to realize bicycle foldable integral effect mostly.Pipe fitting is involutory folding through hinge fold mechanism realization folding effect is installed on the pipe fitting; Usually this fold mechanism is made up of hinged left folding seat of a side and right folding seat; This left folding seat and right folding seat are welded in two folding pipe fittings respectively; And this left folding seat and right folding seat opposite side are realized two folding pipe fitting fastenings through a fastening mechanism.Adopt the folding bicycle of the involutory folding mode of pipe fitting; Only with the front and rear part folded in half of bicycle; So that the volume after folding is huger all the time; Though parking space dwindles to some extent, be unfavorable for all the time carrying, can not satisfy the littler requirement of user's doubling poststack folding bicycle volume fully.And the general folded bicycle operating handle that is used for fixing folding position operate harder, and the potential safety hazard that does not have safety precautions to avoid maloperation to bring after fastening.

The utility model content

The purpose of the utility model is to provide a kind of folding bicycle, and its folding back becomes compact dimensions, is easy to carry.

Above-mentioned purpose realizes through following technical proposals:

A kind of folding bicycle is characterized in that: comprise folding stand, saddle tube, the rear wheel fork of ccontaining trailing wheel and trailing wheel draw bar; Said folding stand comprises rear side frame, and said rear side frame surrounds frame shape space; Said saddle tube lower end is arranged in the frame shape space, and is connected through bearing pin with rear side frame; Said rear wheel fork upper end is connected through bearing pin with the rear side frame rear end, and said rear wheel fork lower end is connected with rear axle; Said trailing wheel draw bar upper end is connected through bearing pin with end, saddle tube lower end, and said trailing wheel draw bar lower end is connected with rear axle.

Above-mentioned purpose can also be further perfect through following technical proposals.

Said folding stand also comprises the front side vehicle frame; Said front side vehicle frame is connected through bearing pin with rear side frame; Said frame shape is provided with metal beam in the space; The homonymy of said front side vehicle frame and rear side frame is provided with the screw that overlaps; Said folding stand also comprises screw rod, and said screw rod matches with screw; Said screw rod and screw are fixed front side vehicle frame and rear side frame.

Said trailing wheel draw bar comprises symmetrically arranged Metallic rod; The formation coupling end is converged on said Metallic rod top, and said coupling end is connected through bearing pin with end, saddle tube lower end; Be used for holding trailing wheel between the said Metallic rod, the lower end of said Metallic rod is connected with rear axle.

Said folding bicycle also comprises driver train; Said driver train comprises axis, active flywheel, duplicate sprocket and driven sprocket; Said axis is arranged on rear side frame; Said active flywheel is fixed on the said axis, and on the bearing pin between rear wheel fork upper end and the rear side frame rear end, said driven sprocket is fixed on the wheel shaft of trailing wheel said duplicate sprocket through bearing fixing.

A kind of folding bicycle of the utility model, it is simple in structure, and its folding back becomes compact dimensions, is easy to carry.

Description of drawings

Fig. 1 is the structural representation after the folding bicycle of the utility model launches;

Fig. 2 is the birds-eye view of folding stand of the folding bicycle of the utility model;

Fig. 3 is the lateral plan of folding stand shown in Figure 2;

Fig. 4 is the scheme drawing of trailing wheel draw bar of the folding bicycle of the utility model;

Fig. 5 is the scheme drawing of driver train of the folding bicycle of the utility model;

Fig. 6 is the scheme drawing of the L type axis of driver train shown in Figure 5;

Fig. 7 is the scheme drawing of the collapsible crank of driver train shown in Figure 5;

Fig. 8 is the scheme drawing of vehicle seat supported folding pipe arranged outside hold-open catch of the folding bicycle of the utility model;

Fig. 9 and Figure 10 are the perspective view of the latching device of the utility model;

Figure 11 is the scheme drawing of the lock handle of Fig. 9 and latching device shown in Figure 10;

Figure 12 is the scheme drawing of the binding ring of Fig. 9 and latching device shown in Figure 10;

Figure 13 is the scheme drawing that Fig. 9 and latching device shown in Figure 10 are in locking state;

Figure 14 is the scheme drawing of front-fork of the folding bicycle of the utility model;

Figure 15 is that the handlebar folded tube lower end of the folding bicycle of the utility model is provided with the fixedly scheme drawing of drag hook;

Figure 16 is the scheme drawing that handlebar folded tube shown in Figure 15 is in the fixedly drag hook of folded state;

Figure 17 is the expansion scheme drawing of handlebar of the folding bicycle of the utility model;

Figure 18 is the folding scheme drawing of handlebar shown in Figure 17;

Figure 19 is the scheme drawing of integral type rear wheel fork of the folding bicycle of the utility model;

Figure 20 is the scheme of installation of integral type rear wheel fork shown in Figure 19;

Figure 21 and Figure 22 are the scheme drawings of compound type rear wheel fork of the folding bicycle of the utility model;

Figure 23 is the scheme of installation of Figure 21 and compound type rear wheel fork shown in Figure 22;

Figure 24-Figure 28 is the folding process scheme drawing of the folding bicycle of the utility model.

Wherein:

1 folding stand: 11 front side vehicle frames;

12 rear side frame: 121 draw-in grooves;

13 frame shape spaces: 131 metal beam;

14 screw rods;

2 saddle tubes: 21 vehicle seats, first standpipe, 22 vehicle seats, second standpipe;

23 vehicle seat supported folding pipes: 231 hold-open catches, 232 hand handles;

3 rear wheel fork: 31 metal thick sticks, 32 rear wheel fork fixed parts;

4 trailing wheel draw bars: 41 Metallic rod, 42 coupling ends;

5 driver trains: 51 active flywheels, 52 duplicate sprockets, 53 driven sprockets;

54L type axis: 541L type end, 542 directly hold 543 fixed knobs;

55 collapsible cranks;

6 handlebar tube: 61 stems;

62 handlebar folded tube: 621 fixing drag hooks: 6211 fixing drag hook handles, 6212 snap rings;

7 latching devices: 71 binding rings: 711 pins: 7111 fixed orifices;

72 lock handles: 721 fixing, 722 telescopic handles: 7221 taper ends;

8 front-forks: 81 metal whippletrees;

9 handlebars: 91 handlebar whippletrees, 92 handlebar grips, 93 brake lever sleeve pipes, 94 handlebar sleeve pipes.

The specific embodiment

For the purpose, technical scheme and the advantage that make the utility model is clearer,, the folding bicycle of the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

The folding bicycle of the utility model, as shown in Figure 1, comprise folding stand 1, saddle tube 2, rear wheel fork 3 and trailing wheel draw bar 4; Said rear wheel fork is used for ccontaining trailing wheel; Said draw bar is used for the draw of 2 pairs of trailing wheels of saddle tube.

As shown in Figures 2 and 3; Said folding stand 1 comprises rear side frame 12, and said rear side frame surrounds frame shape space 13, and is provided with metal beam 131 in the frame shape space 13;

Said saddle tube 2 lower ends are arranged in the frame shape space 13, and are connected through bearing pin with rear side frame; When saddle tube 2 and folding stand 1 to plumbness (promptly launching), saddle tube 2 is blocked by the metal beam 131 of rear side frame, keeps deployed condition;

Said rear wheel fork 3 upper ends are connected through bearing pin with the rear side frame rear end, and said rear wheel fork lower end is connected with rear axle;

Said trailing wheel draw bar 4 upper ends are connected through bearing pin with end, saddle tube 2 lower end, and said trailing wheel draw bar 4 lower ends are connected with rear axle.When folding bicycle is folded,, saddle tube 2 is rotated to the trailing wheel direction through the rotation of bearing pin between saddle tube 2 lower ends and the rear side frame; Under the draw of trailing wheel draw bar 4, make trailing wheel closely be folded to folding stand 1 below simultaneously.

Like Fig. 1, Fig. 2 and shown in Figure 3, said folding stand 1 also comprises front side vehicle frame 11; Said front side vehicle frame 11 and rear side frame 12 are connected through bearing pin; With folding bicycle when folding, through the rotation of bearing pin between front side vehicle frame 11 and the rear side frame 12, make the folding bicycle can folded in half, promptly front side vehicle frame 11 is parallel with rear side frame 12.

Like Fig. 1, Fig. 2 and shown in Figure 3, the homonymy of said front side vehicle frame 11 and rear side frame 12 is provided with the screw that overlaps; Said folding stand 1 also comprises screw rod 14, and said screw rod 14 matches with screw; Said screw rod 14 can be fixing with rear side frame 12 with front side vehicle frame 11 with screw.When folding bicycle launched, said screw rod 14 passed the screw of said front side vehicle frame 11 and rear side frame 12, and is through tightening screw rod 14 that front side vehicle frame 11 is fixing with rear side frame 12.When folding bicycle is folded; Through unscrewing screw rod 14 front side vehicle frame 11 and rear side frame 12 are unclamped; Make the rotation of front side vehicle frame 11 and rear side frame 12 through bearing pin between front side vehicle frame 11 and the rear side frame 12; Make the folding bicycle can folded in half, promptly front side vehicle frame 11 be parallel with rear side frame 12.

Like Fig. 1 and shown in Figure 4, said trailing wheel draw bar 4 comprises symmetrically arranged Metallic rod 41; Formation coupling end 42 is converged on said Metallic rod 41 tops, and said coupling end 42 is connected through bearing pin with end, saddle tube 2 lower end; Be used for holding trailing wheel between the said Metallic rod 41, the lower end of said Metallic rod 41 is connected with rear axle.

Like Fig. 1 and shown in Figure 5, said folding bicycle also comprises driver train 5; Said driver train 5 comprises axis, active flywheel 51, duplicate sprocket 52 and driven sprocket 53; Said duplicate sprocket 52 comprises big trochal disc and small trochal disc; Connect through the one-level chain between said active flywheel 51 and duplicate sprocket 52 small trochal discs, connect through the secondary chain between said duplicate sprocket 52 big trochal discs and the driven sprocket 53;

Said axis is arranged on rear side frame 12; Said active flywheel 51 is rigidly fixed on the said axis, and on the bearing pin between rear wheel fork 3 upper ends and rear side frame 12 rear ends, said driven sprocket 53 is rigidly fixed on the wheel shaft of trailing wheel said duplicate sprocket 52 through bearing fixing.When folding bicycle is folded,, saddle tube 2 is rotated to the trailing wheel direction through the rotation of bearing pin between saddle tube 2 lower ends and the rear side frame 12; Under the draw of trailing wheel draw bar 4, make trailing wheel closely be folded to folding stand 1 below simultaneously.In this process; Because duplicate sprocket 52 passes through bearing fixing on the bearing pin between rear wheel fork 3 upper ends and rear side frame 12 rear ends; Make the distance between duplicate sprocket 52 and the driven sprocket 53 can not change, promptly can not cause the secondary chain between duplicate sprocket 52 and the driven sprocket 53 to take off chain because of folding because of folding.

Preferably, like Fig. 1, Fig. 5, Fig. 6 and shown in Figure 7, the axis of said folding bicycle adopt L type axis 54, and said folding bicycle also comprises first crank and collapsible crank 55; As shown in Figure 6, said L type axis 54 1 ends are straight end 542, and the other end is a L type end 541;

The straight end 542 of said first crank and L type axis 54 is fixing, and the other end of said first crank is connected with folding pedal; Said first crank adopts conventional crank, and first crank is not collapsible;

As shown in Figure 7, said collapsible crank 55 1 end ends are provided with U type groove; L type end 541 clampings of the U type groove of said collapsible crank 55 and L type axis 54, and through the bearing pin connection; The other end of said collapsible crank 55 is connected with folding pedal;

The L type end 541 of said L type axis 54 is provided with fixed knob 543; The long limit of fixed knob 543 and broadside are littler than the long limit and the broadside of U type groove, and the long limit of fixed knob 543 is bigger than the broadside of U type groove; When the broadside of the long limit of fixed knob 543 and U type groove paralleled, fixed knob 543 was fixing with L type axis 54 with collapsible crank 55;

When the broadside of the long limit of said fixed knob 543 and U type groove is perpendicular,, make collapsible crank 55 turn over turnback through the rotation of the bearing pin between the L type end 541 of collapsible crank 55 and L type axis 54.

As shown in Figure 1, said folding bicycle also comprises vehicle seat; Said saddle tube 2 comprises vehicle seat first standpipe 21 that is provided with from top to bottom, vehicle seat second standpipe 22 and vehicle seat supported folding pipe 23; The upper end and the vehicle seat of said vehicle seat first standpipe 21 are fixed, and the lower end of said vehicle seat first standpipe 21 is nested in said vehicle seat second standpipe 22, scalable slip; Said vehicle seat second standpipe 22 is nested in the said vehicle seat supported folding pipe 23, scalable slip;

Said vehicle seat second standpipe, 22 upper ends and vehicle seat supported folding pipe 23 upper ends are respectively arranged with latching device 7; Said latching device 7 is used for when folding bicycle is launched, and with vehicle seat first standpipe 21, fixes after vehicle seat second standpipe 22 trails with vehicle seat supported folding pipe 23.

Like Fig. 1 and shown in Figure 8, said vehicle seat supported folding pipe 23 arranged outside have hold-open catch 231; As shown in Figure 3, said rear side frame 12 is provided with draw-in groove 121; When folding bicycle launched, said hold-open catch 231 was connected in the draw-in groove 121, and vehicle seat supported folding pipe 23 is fixing with folding stand 1.

Said vehicle seat supported folding pipe 23 lower ends are provided with hand handle 232; After folding bicycle is folding, can carry folding bicycle easily through hand handle 232.

As shown in Figure 1, said folding bicycle also comprises handlebar tube and handlebar; Said handlebar tube comprises the stem 61 and handlebar folded tube 62 that is provided with from top to bottom;

Said stem 61 upper ends and handlebar are fixed; Said stem 61 lower ends are nested in the said handlebar folded tube 62, scalable slip;

The upper end of said handlebar folded tube 62 is provided with latching device 7; Said latching device 7 is used for when folding bicycle is launched, and fixes after stem 61 and handlebar folded tube 62 are trailed.

Like Fig. 9 and shown in Figure 10, said latching device 7 comprises binding ring 71 and lock handle 72; Said lock handle 72 comprise hollow fixedly 721, telescopic handle 722 and spring; Said telescopic handle 722 and fixing 721 sockets; Said is an end of 721 socket telescopic handles 722 fixing 721 open ends fixedly, and the other end is for fixing 721 coupling ends; Said binding ring 71 is provided with pin 711, fixedly being connected the pin of 721 coupling ends and binding ring 71 711 through bearing pin of said lock handle 72; In locking or when unclamping latching device 7, realize the locking of binding rings 71 or unclamp through rotation lock handle 72;

It is 721 exterior ends telescopic handle 722 outer ends that said telescopic handle 722 is positioned at fixing all the time, and it is 721 in-to-ins, one end telescopic handle 722 the inners that telescopic handle 722 is positioned at fixing;

One end of said spring is fixed on fixing the inboard of 721 open ends, and the other end is fixed on telescopic handle 722 the inners;

Said telescopic handle 722 is positioned at when fixing 721 inside, and said spring keeps natural length; When said telescopic handle 722 was drawn out, said spring was compressed.

Like Figure 11 and shown in Figure 12, said telescopic handle 722 the inners are provided with taper end 7221, and the pin 711 of said binding ring 71 is provided with a fixed orifice 7111 that is complementary with taper end 7221; Shown in figure 13, when latching device 7 was in locking state, said taper end 7221 inserted fixed orifice 7111 with the fixing and locking handle, prevents maloperation; And have only when pulling out telescopic handle 722, make taper end 7221 break away from fixed orifice 7111, just the tight handle of operable locks.

Shown in figure 14, said folding bicycle also comprises the front-fork of ccontaining front-wheel, and said front-fork upper end is provided with metal whippletree 81; Like Figure 15 and shown in Figure 16, said handlebar folded tube 62 lower ends are connected through bearing pin with the front-fork upper end; When folding bicycle was folded, the rotation through bearing pin between handlebar folded tube 62 lower ends and the front-fork upper end was folded on the front-fork handlebar folded tube 62.Said handlebar folded tube 62 lower ends are provided with fixedly drag hook 621, and said fixedly drag hook 621 comprises and be used to operate the fixedly fixedly drag hook handle 6211 of drag hook that said fixedly drag hook handle 6211 comprises the fixedly snap ring 6212 of drag hook handle 6211 of control; When handlebar folded tube 62 was in expanded position, fixedly drag hook 621 hooked metal whippletree 81, pushed away the extremely fixedly midway location of drag hook handle 6211 of snap ring down, and drag hook and metal whippletree 81 is fixing; With being pushed into fixedly drag hook handle 6211 tops on the snap ring 6212, just can operate fixedly drag hook 621.

Said front-fork is provided with front fender apron.

Shown in figure 17, said handlebar comprises handlebar whippletree 91, left and right handlebar grip 92, left and right handlebar sleeve pipe 94, left and right brake lever sleeve pipe 93 and left and right brake lever;

Said handlebar whippletree 91 is connected through bearing pin with left and right handlebar grip; Said left and right brake lever sleeve pipe 93 is fixed on the left and right handlebar grip 92; Said left and right brake lever sleeve pipe 93 internal fixation have folded spring, the said folded spring other end and said left and right 94 inboard connections of handlebar sleeve pipe, and said left and right handlebar sleeve pipe 94 is nested in the said left and right brake lever sleeve pipe 93; When said handlebar launched, when left and right handlebar sleeve pipe 94 ejected the bearing pin junction that covers between handlebar whippletree 91 and the left and right handlebar grip 92 in left and right brake lever sleeve pipe 93, said folded spring kept natural length; Shown in figure 18, when said left and right handlebar sleeve pipe 94 was pressed in the left and right brake lever sleeve pipe 93, said folded spring was compressed, and rotatable left and right handlebar grip 92 folds;

Said left and right brake lever and said left and right brake lever sleeve pipe 93 are connected through bearing pin; Said left and right brake lever is connected to the brake holding mechanism of front-wheel and trailing wheel respectively through brake cable.

Like Figure 19 and shown in Figure 20, as a kind of enforceable mode, said rear wheel fork 3 adopts the integral type rear wheel fork, and said integral type rear wheel fork comprises symmetrically arranged metal thick stick 31; Formation rear wheel fork fixed part 32 is converged on said metal thick stick 31 tops; Be used for holding trailing wheel between the said metal thick stick 31; Said rear wheel fork fixed part 32 is connected through bearing pin with rear side frame 12 inboards; The lower end of said metal thick stick 31 is connected with rear axle;

Said duplicate sprocket 52 is fixed on rear side frame 12 outsides; Said rear wheel fork 3 is provided with rear mudguard.

Like Figure 21, Figure 22 and shown in Figure 23, as a kind of enforceable mode, said rear wheel fork 3 adopts the compound type rear wheel fork, and said compound type rear wheel fork comprises the metal thick stick 31 that both sides are parallel to each other; Be used for holding trailing wheel between the said metal thick stick 31 that is parallel to each other; The upper end of said metal thick stick 31 is connected through bearing pin with the both sides, the outside of rear side frame 12; The lower end of said metal thick stick 31 is connected with rear axle;

Said duplicate sprocket 52 is fixed between rear side frame 12 outsides and metal thick stick 31 inboards; Said rear wheel fork 3 is provided with rear mudguard.

Be folding bicycle below from deployed condition to folding process:

Step 1: shown in figure 24, folding bicycle is in deployed condition;

Step 2: upwards mention the hold-open catch 231 that is positioned at vehicle seat supported folding pipe 23 outsides, rotate saddle tube 2 to horizontality; Because the draw of 4 pairs of trailing wheels of trailing wheel draw bar makes trailing wheel closely be folded to the below of rear side frame 12; The folding bicycle state is shown in figure 25;

Step 3: folding pedals is folding, and rotational fixation knob 543, collapsible crank 55 is folded;

Step 4: the latching device 7 of vehicle seat second standpipe, 22 upper ends and vehicle seat supported folding pipe 23 upper ends is opened, vehicle seat first standpipe 21 and vehicle seat second standpipe 22 are advanced, block until vehicle seat; The folding bicycle state is shown in figure 26;

Step 5: upwards turn on the screw rod 14 between front side vehicle frame 11 and the rear side frame 12, make the folding bicycle folded in half, promptly front side vehicle frame 11 is parallel with rear side frame 12; Simultaneously, front wheel makes front-wheel and trailing wheel parallel; The folding bicycle state is shown in figure 27;

Step 6: when left and right handlebar sleeve pipe 94 was compressed into left and right brake lever sleeve pipe 93, said folded spring was compressed, and rotatable left and right handlebar grip 92 folds; The latching device 7 of handlebar folded tube 62 upper ends is opened, stem 61 is compressed into handlebar folded tube 62; Afterwards, be pushed into fixedly drag hook handle 6211 tops on the snap ring 6212 with fixing drag hook handle 6211, unclamp fixedly drag hook 621, rotate handlebar folded tube 62 to 1 one-tenth parastate of folding stand; The folding bicycle state is shown in figure 28.

A kind of folding bicycle of the utility model, its folding back becomes compact dimensions, is easy to carry.

Should be noted that at last that obviously those skilled in the art can carry out various changes and modification to the utility model and not break away from the spirit and the scope of the utility model.Like this, if these of the utility model are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification.

Claims (11)

1. folding bicycle is characterized in that:
Comprise folding stand (1), saddle tube (2), rear wheel fork of ccontaining trailing wheel (3) and trailing wheel draw bar (4);
Said folding stand (1) comprises rear side frame (12), and said rear side frame (12) surrounds frame shape space (13); Said saddle tube (2) lower end is arranged in the frame shape space (13), and is connected through bearing pin with rear side frame (12);
Said rear wheel fork (3) upper end is connected through bearing pin with rear side frame (12) rear end, and said rear wheel fork (3) lower end is connected with rear axle;
Said trailing wheel draw bar (4) upper end is connected through bearing pin with saddle tube (2) end, lower end, and said trailing wheel draw bar (4) lower end is connected with rear axle.
2. folding bicycle according to claim 1 is characterized in that:
Said folding stand (1) also comprises front side vehicle frame (11); Said front side vehicle frame (11) is connected through bearing pin with rear side frame (12); Be provided with metal beam (131) in the said frame shape space (13);
The homonymy of said front side vehicle frame (11) and rear side frame (12) is provided with the screw that overlaps; Said folding stand (1) also comprises screw rod (14), and said screw rod (14) matches with screw; Said screw rod (14) and screw are fixing with front side vehicle frame (11) and rear side frame (12).
3. folding bicycle according to claim 1 is characterized in that:
Said folding bicycle also comprises driver train (5); Said driver train (5) comprises axis, active flywheel (51), duplicate sprocket (52) and driven sprocket (53);
Said axis is arranged on rear side frame (12); Said active flywheel (51) is fixed on the said axis, and on the bearing pin between rear wheel fork (3) upper end and rear side frame (12) rear end, said driven sprocket (53) is fixed on the wheel shaft of trailing wheel said duplicate sprocket (52) through bearing fixing.
4. folding bicycle according to claim 1 is characterized in that:
Said folding bicycle also comprises L type axis (54) and collapsible crank (55); Said L type axis (54) one ends are straight end (542), and the other end is a L type end (541);
Said collapsible crank (55) one end ends are provided with U type groove; L type end (541) clamping of the U type groove of said collapsible crank (55) and L type axis (54), and through the bearing pin connection;
Said L type end (541) is provided with fixed knob (543); The long limit of fixed knob (543) and broadside are littler than the long limit and the broadside of U type groove, and the long limit of fixed knob (543) is bigger than the broadside of U type groove; The broadside of the long limit of fixed knob (543) and U type groove is when parallel, and fixed knob (543) is fixing with collapsible crank (55) and L type axis (54);
When the broadside of the long limit of said fixed knob (543) and U type groove is perpendicular,, make collapsible crank (55) turn over turnback through the rotation of the bearing pin between the L type end (541) of collapsible crank (55) and L type axis (54).
5. folding bicycle according to claim 1 is characterized in that:
Said folding bicycle also comprises vehicle seat; Said saddle tube (2) comprises vehicle seat first standpipe (21) that is provided with from top to bottom, vehicle seat second standpipe (22) and vehicle seat supported folding pipe (23); The upper end and the vehicle seat of said vehicle seat first standpipe (21) are fixed, and the lower end of said vehicle seat first standpipe (21) is nested in said vehicle seat second standpipe (22), scalable slip; Said vehicle seat second standpipe (22) is nested in the said vehicle seat supported folding pipe (23), scalable slip;
Said vehicle seat second standpipe (22) upper end and vehicle seat supported folding pipe (23) upper end are respectively arranged with latching device (7); Said latching device (7) with vehicle seat first standpipe (21), is fixed after vehicle seat second standpipe (22) and vehicle seat supported folding pipe (23) trail when folding bicycle is launched;
Said vehicle seat supported folding pipe (23) arranged outside has hold-open catch (231); Said rear side frame (12) is provided with draw-in groove (121); When folding bicycle launched, said hold-open catch (231) was connected in the draw-in groove (121), and vehicle seat supported folding pipe (23) and folding stand (1) is fixing;
Said vehicle seat supported folding pipe (23) lower end is provided with hand handle (232).。
6. folding bicycle according to claim 1 is characterized in that:
Said folding bicycle also comprises handlebar tube and handlebar; Said handlebar tube comprises stem (61) and the handlebar folded tube (62) that is provided with from top to bottom;
Said stem (61) upper end is fixed with handlebar; Said stem (61) lower end is nested in the said handlebar folded tube (62), scalable slip;
The upper end of said handlebar folded tube (62) is provided with latching device (7); Said latching device (7) is fixed after stem (61) and handlebar folded tube (62) trailed when folding bicycle is launched;
Said folding bicycle also comprises the front-fork of ccontaining front-wheel, and said front-fork upper end is provided with metal whippletree (81); Said handlebar folded tube (62) lower end is connected through bearing pin with the front-fork upper end;
Said handlebar folded tube (62) lower end is provided with fixedly drag hook (621), and said fixedly drag hook (621) comprises the fixedly drag hook handle (6211) of operation, and said fixedly drag hook handle (6211) comprises the fixedly snap ring (6212) of drag hook handle (6211) of control; When being in expanded position, fixedly drag hook (621) hooks metal whippletree (81) in handlebar folded tube (62), pushes away the extremely fixedly midway location of drag hook handle (6211) of snap ring (6212) down, and fixedly drag hook (621) is fixing with metal whippletree (81).
7. according to claim 5 or 6 described folding bicycles, it is characterized in that:
Said latching device (7) comprises binding ring (71) and lock handle (72); Said lock handle (72) comprises the fixedly handle (721) of hollow, telescopic handle (722) and spring; Said telescopic handle and fixing (721) socket; (721) open end, the other end is for fixing (721) coupling end for fixing for one end of said fixedly handle (721) socket telescopic handle (722); Said binding ring (71) is provided with pin (711), and fixedly handle (721) coupling end of said lock handle (72) and the pin (711) of binding ring (71) are connected through bearing pin;
It is (721) exterior end telescopic handle (722) outer end that said telescopic handle (722) is positioned at fixing all the time, and it is (721) in-to-in one end telescopic handle (722) the inner that telescopic handle (722) is positioned at fixing;
One end of said spring is fixed on fixing the inboard of (721) open end, and the other end is fixed on telescopic handle (722) the inner;
When said telescopic handle (722) was positioned at fixing (721) inside, said spring kept natural length; Said telescopic handle (722) is when being drawn out, and said spring is compressed.
8. folding bicycle according to claim 7 is characterized in that:
Said telescopic handle (722) the inner is provided with taper end (7221), and the pin (711) of said binding ring (71) is provided with a fixed orifice (7111) that is complementary with taper end (7221); When latching device (7) when being in locking state, said taper end (7221) inserts fixed orifice (7111) with the fixing and locking handle.
9. folding bicycle according to claim 6 is characterized in that:
Said handlebar comprises handlebar whippletree (91), left and right handlebar grip (92), left and right brake lever sleeve pipe (93), left and right handlebar sleeve pipe (94) and left and right brake lever;
Said handlebar whippletree (91) is connected through bearing pin with left and right handlebar grip (92); Said left and right brake lever sleeve pipe (93) is fixed on the left and right handlebar grip (92); Said left and right brake lever sleeve pipe (93) internal fixation has folded spring, and the said folded spring other end is connected with said left and right handlebar sleeve pipe (94) is inboard, and said left and right handlebar sleeve pipe (94) is nested in the said left and right brake lever sleeve pipe (93); When said handlebar launched, when left and right handlebar sleeve pipe (94) ejected the bearing pin junction that covers between handlebar whippletree (91) and the left and right handlebar grip (92) in left and right brake lever sleeve pipe (93), said folded spring kept natural length; Said left and right handlebar sleeve pipe (94) is pressed into left and right brake lever sleeve pipe (93) when interior, and said folded spring is compressed, and rotatable left and right handlebar grip (92) folds;
Said left and right brake lever is connected through bearing pin with said left and right brake lever sleeve pipe (93).
10. folding bicycle according to claim 1 is characterized in that:
Said rear wheel fork (3) adopts the integral type rear wheel fork, and said integral type rear wheel fork comprises symmetrically arranged metal thick stick (31); Formation rear wheel fork fixed part (32) is converged on said metal thick stick (31) top; Be used for holding trailing wheel between the said metal thick stick (31); Said rear wheel fork fixed part (32) is connected through bearing pin with rear side frame (12) is inboard; The lower end of said metal thick stick (31) is connected with rear axle;
Said duplicate sprocket (52) is fixed on rear side frame (12) outside.
11. folding bicycle according to claim 1 is characterized in that:
Said rear wheel fork (3) adopts the compound type rear wheel fork, and said compound type rear wheel fork comprises the metal thick stick (31) that both sides are parallel to each other; Be used for holding trailing wheel between the said metal thick stick (31) that is parallel to each other; The upper end of said metal thick stick (31) is connected through bearing pin with the both sides, the outside of rear side frame (12); The lower end of said metal thick stick (31) is connected with rear axle;
Said duplicate sprocket (52) is fixed between rear side frame (12) outside and metal thick stick (31) inboard.
CN201120446229XU 2011-11-11 2011-11-11 Foldable bicycle CN202320664U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103950494A (en) * 2014-03-18 2014-07-30 朱荣辉 Foldable and portable bicycle
CN104309748A (en) * 2014-09-30 2015-01-28 张建民 Small wheel diameter bicycle capable of being pushed after being folded vertically
CN105722752A (en) * 2013-09-10 2016-06-29 城市626有限责任公司 Foldable electric vehicle
CN106515974A (en) * 2016-09-30 2017-03-22 杨洁亮 Damping adjustment front fork
CN107306604A (en) * 2017-07-03 2017-11-03 中联重机股份有限公司 A kind of cat ladder and the harvester with the cat ladder
USD827035S1 (en) 2015-05-28 2018-08-28 Urban626, Llc Motorized scooter
USD832150S1 (en) 2016-12-29 2018-10-30 Urban626, Llc Motorized scooter
US10363829B2 (en) 2016-09-21 2019-07-30 Urban626, Llc Portable and convertible rechargeable battery power supply
US10654541B2 (en) 2016-07-20 2020-05-19 Urban626, Llc Convertible scooter

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105722752B (en) * 2013-09-10 2019-01-22 城市626有限责任公司 Folding electric vehicle
CN105722752A (en) * 2013-09-10 2016-06-29 城市626有限责任公司 Foldable electric vehicle
CN103950494A (en) * 2014-03-18 2014-07-30 朱荣辉 Foldable and portable bicycle
CN104309748A (en) * 2014-09-30 2015-01-28 张建民 Small wheel diameter bicycle capable of being pushed after being folded vertically
USD827035S1 (en) 2015-05-28 2018-08-28 Urban626, Llc Motorized scooter
US10654541B2 (en) 2016-07-20 2020-05-19 Urban626, Llc Convertible scooter
US10363829B2 (en) 2016-09-21 2019-07-30 Urban626, Llc Portable and convertible rechargeable battery power supply
CN106515974B (en) * 2016-09-30 2021-01-08 邢台市健力车业有限公司 Damping adjustment front fork
CN106515974A (en) * 2016-09-30 2017-03-22 杨洁亮 Damping adjustment front fork
USD832150S1 (en) 2016-12-29 2018-10-30 Urban626, Llc Motorized scooter
CN107306604A (en) * 2017-07-03 2017-11-03 中联重机股份有限公司 A kind of cat ladder and the harvester with the cat ladder

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