CN2283606Y - Box-type folding portable bicycle - Google Patents

Abstract

The utility model discloses a box-type folding bicycle. Handle-bars, a handgrip core and a front fork are connected with each other by hinges, and the hinges can be folded. When the utility model is folded, the utility model can be folded to the direction of a bicycle frame, the cross beam of the bicycle frame is connected with a telescopic sleeve barrel, and the length of the cross beam of the bicycle frame can be adjusted; a rear wheel and a speed-changing chain wheel can be upward folded by rotating around a center shaft, and the height of the rear wheel and the speed-changing chain wheel can be adjusted; a bicycle seat is folded to a box-handle shape which can be carried by a hand, and the whole bicycle is folded to a suitcase shape; thus, the utility model is convenient to carry. Because each part of the utility model is unfolded, folded and positioned by making use of springs, steel balls, sliding pins, sliding sleeves and other elements; the utility model can be quickly unfolded, folded and positioned without any tools. The utility model has the advantage of easy use. When the utility model is unfolded, the utility model is suitable for users with different body height. When the utility model is folded, the utility model is suitable for the building of high layer and travelers.

Description

The box-type folding portable bicycle

The utility model belongs to a kind of vehicle, a kind of portable Collapsible bicycle of saying so more specifically.

People are on and off duty, travel outdoors, bicycle is the vehicle of using always, but stay in high-rise building, ordinary bicycle is big because of volume, guide and support inconvenience causes and deposits difficulty, the other places of going on business, get off the back to the destination far and have inconvenient traffic and also make the people very puzzled, so common bicycle commonly used can not satisfy people's special requirement.

The purpose of this utility model provides a kind of expansion and can ride, and folds up into portable case type, rolls over and open up rapidly bicycle easily.

The technical solution of the utility model is:

Being fixedly mounted on the left and right sides that the handle on heart top is connect cover is fixed with respectively by the hinged two sections handlebars formed of handlebar, on the handlebar of nearly hinge, vertically be drilled with blind hole, be equipped with spring in the hole, steel ball is pressed in and exceeds the handlebar surface on the spring, can in the hole, freely rotate but can not deviate from blind hole, about two sliding sleeves can be enclosed within on the handlebar with hand with spurring back and forth, when an end face leans against when connecing outside the cover on the face of garden, handlebar hinge and steel ball all are enclosed in the sliding sleeve.

Two sections, by being contained in the handle riser heart bottom is rotating the heart is hinged, the bottom is connected with front fork by the front fork hinge, closely heart hinge and front fork hinge place, all have and the identic blind hole in handlebar hinge place, spring, steel ball and cover sliding sleeve thereon, when sliding sleeve one end leaned against the convex platform of the lower bulge of heart hinge and front fork hinge, hinge and steel ball all were enclosed in the sliding sleeve;

Interior crossbeam is horizontally fixed on the bottom outside the bevelled handle riser of car the place ahead on the face of garden, and can be back and forth insert in the outer crossbeam sleeve on the vehicle frame with twitching, near upright the outer crossbeam top at the nestable place of inside and outside crossbeam of pipe, be vertically fixed with key seat, cinclides becomes penetrating hole on its hole and the outer crossbeam, it is identical with outer crossbeam size that the interior crossbeam roof at nestable place is drilled with a plurality of its tops, and when twitching can with outer crossbeam key seat hole can cooresponding hole, sliding pin can key seat and cooresponding in slide up and down in the cinclides on the crossbeam but sliding pin is fallen down from the hole, be with spring on the thin axle journal on sliding pin top, the meticulous axle journal of center borehole jack that covers is screwed in sliding pin seat upper flap in the spring upper end;

Two rear wheel frames that have the arc batten are positioned on the left and right sides of vehicle frame, the cover of its underpart is enclosed within on the axis that is positioned at the bottom bracket axle two ends rotationally, rear axle is installed in the bayonet socket, the speed-changing chain wheel shaft is positioned in the change wheel hole, two arc battens lean against the two sides of vehicle frame vertical beam and penetrate orientating box on it, a plurality of positioning grooves are arranged on the arc batten, be positioned at arc batten top and be fixed in the two vertical beams outside plug housing is arranged, latch inserts in the cooresponding positioning groove along the plug housing inwall, two stage clip one ends pass the latch top respectively, on the bolt in the clothes hanger support, the other end colludes the end face in the support of left and right sides clothes hanger to intermediate sleeve in crosswise fixed;

Two cranks, one end is fixed on the axis two ends, the cover of pedal axle is enclosed within on the thin axle journal of the crank other end rotationally, there are two relative fan grooves at the middle part of pedal axle sleeve perpendicular to its direction of axis line, line of centers that it is fan-shaped and pedal axis are miter angle, have on the thin axle journal of crank and be horizontally through and the fastening post tip, pin is contained in the fan groove, and can make the pedal axle rotate 90 degree, baffle plate is with holes with an end, the positioning reed of one end band projection pawl squeezes on the axial end of crank, screw passes the axle head screw that baffle plate and back stop film perforation are screwed into crank, and the projection on the positioning reed snaps in the positioning pit on the pedal axle;

Plate with elastomeric vehicle seat main body curves rectangle, its base postmedian fixing about the distance of two arms corresponding with two vertical beams on the vehicle frame, the nestable place that arm inserts vertical beam has and the locating dowel pin of inside and outside crossbeam top with spline structure, the bottom of vehicle seat main body, be positioned at the arm rear portion and the rectangle vertical edge has the disconnection breach, there is marshall springs to support between the last bottom, the both sides, top of vehicle seat back body connect the saddle ear of two symmetries with folding, its holder is saddle-shaped with vehicle seat main body integral body at ordinary times, in the middle of the two saddle ears, there is the bar shaped stay bearing plate at the back side, rectangle top, its width is less than the vehicle seat main body, its length is to forward it to when vertical with the vehicle seat line of centers, two saddle ears and vehicle seat main body are advisable at grade, the disk spring plate is arranged at the stay bearing plate bottom, and disk spring plate and stay bearing plate that bolt will be in the pretension state are fixed on the vehicle seat main body together;

When the needs bicycle folding, push the sliding sleeve on the handlebar to the handlebar far-end and expose the handlebar hinge, about two handlebars can turn up; Portable sliding pin pulled out interior crossbeam, in kind makes a heart, front fork hinge break away from sliding sleeve, and be all folding to the vehicle frame direction the heart and front fork, and interior crossbeam is pushed in the outer crossbeam, and front-wheel will be supported by bottom bracket axle, puts down the inside and outside crossbeam of sliding pin and make their relative fixed; Latch on the portable vehicle frame vertical beam, the arc batten breaks away from latch, and rear wheel frame is upwards mentioned around axis, folds to the latch that puts down behind the position and will enter another positioning groove by pinning; Pedal is pushed away on axially, and its fan groove that puts rotates 90 degree along pin and turns up, and the projection on the positioning reed enters in the positioning pit on the pedal axle, and this moment, whole car was the case shape; Rotate under the vehicle seat stay bearing plate to its length direction along the vehicle seat line of centers, two saddle ears are sagging, vehicle seat is chest shape, portable vehicle seat top can withdraw bicycle easily.

This kind folding bicycle is because each position is folding and trail and ride the time spent, and equal serviceable tools not is with latch, spring, steel ball position and lock, be handled box-shaped after turning up, it is quick to stretch folding, does not need to add in addition annex, therefore in light weight, easy to use, satisfied the needs of living high building and travelling outdoors, the arc batten is flexible simultaneously, can play cushioning effect, vehicle frame length, trailing wheel height be scalable all, adapts to difference and goes into ground to ride usefulness; Below in conjunction with drawings and Examples the utility model is described in further detail.

Fig. 1 is the expansion drawing of box-type folding portable bicycle;

Fig. 2 is the folded state diagram of box-type folding portable bicycle;

Fig. 3 stretches and folded state diagram for bicycle handle bar;

Fig. 4 is that the bicycle handle bar heart and front fork stretch and folded state diagram;

Fig. 5 is the A portion enlarged drawing of Fig. 1;

Fig. 6 is the B-B portion view of Fig. 5;

Fig. 7 is bicycle crank and pedal axle mounting figure;

Fig. 8 is the C-C cutaway view of Fig. 7;

Fig. 9 is the birds-eye view of bike saddle;

Figure 10 is the D-D system view of Fig. 9;

Figure 11 is the cycle frame front view;

Figure 12 is the birds-eye view of Figure 11;

Figure 13 is a bicycle rear frame front view;

Figure 14 is the carriage front view;

Figure 15 is the birds-eye view of Figure 14;

Among the figure: 1, handlebar 2, vehicle frame 2.1 outer crossbeams 2.2, diagonal brace 2.3 vertical beams 2.4, clothes hanger support 2.5, fixed block 2.6, adapter plate 2.7, fixed orifice 3, vehicle seat 3.1, vehicle seat main body 3.2 saddle ears 3.3, guidepost 3.4, marshall springs 3.5, stay bearing plate 3.6, disk spring plate 3.7, arm 4, clothes hanger 5, rear wheel frame 5.1, arc batten 5.2, positioning groove 5.3, change wheel hole 5.4, bayonet socket 5.5, cover 5.6, positioning groove 6, trailing wheel 7, carriage 7.1, fixed cover 7.2, front fulcrum 7.3, supporting plate 7.4, rear fulcrum 7.5, guar plate 8, crank 8.1, axis 9, front-wheel 10, front fork 11, handle riser 12, pedal axle 13, sliding sleeve 14, steel ball 15, spring 16, handlebar is than chain 17, sliding sleeve 18, connecing cover 19, front fork hinge 20, sliding sleeve 21, steel ball 22, spring 23, heart hinge 24, spring 25, steel ball 26, the heart 27, sliding pin 28, lid 29, spring 30, key seat 31, sliding sleeve 32, interior crossbeam 33, stage clip 34, latch 35, plug housing 36, orientating box 37, bolt 38, pin 39, positioning reed 40, baffle plate 41, screw 42, fan groove 43, locating detent 44, folding 45, bottom bracket axle 47, permanent seat 48, speed-changing chain

Fig. 2 is folded to car the place ahead for handlebar 1 of the present utility model, the heart 26 is folded to level attitude backward, front fork 10 drives front-wheel 9 and folds in the vehicle frame, and wheel vehicle frame 5 drives trailing wheel 6 and speed-changing chain 48 is turned up upward around axis 8.1, and it is the portable case type of case handle that whole car is converted into vehicle seat 3.

Fig. 3 is handlebar 1 concrete folding displaying, be fixedly mounted on and the handle on the heart 26 tops is connect cover 18 the left and right sides be fixed with respectively by two sections handlebars of forming 1 of handlebar hinge 16 bonded assemblys, on the handlebar 1 of nearly hinge, vertically be drilled with blind hole, be placed with spring 15 in the hole, steel ball 14 is pressed on the spring 15 and can freely rotates in the hole, the riveting of blind hole mouth is little, make steel ball 25 protrude handlebars 1 surface but can not deviate from blind hole, about two sliding sleeves 17 be enclosed within that available hand spurs back and forth on the handlebar, in the time of on an end face leans against the outer garden face that connects cover 18, handlebar hinge 16 and steel ball 14 all are positioned at sliding sleeve.

Fig. 4 serve as reasons heart hinge 23 bonded assembly two sections constitute the heart 26, its underpart by bearing installation in handle riser 11, the bottom is connected with front fork 10 by front fork hinge 19, closely heart hinge 23 and front fork hinge 19 places are all being had and handlebar hinge 16 identic blind holes, spring 24,22 is arranged respectively in the hole, steel ball 25,21 and 31 sliding sleeves, 20, lean against the boss of hinge 23 bottoms when 31 sliding sleeve lower ends, when sliding sleeve 20 upper surfaces leaned against the boss on hinge 19 tops, hinge 23, steel ball 25 and hinge 19, steel ball 21 were respectively by sliding sleeve 1,320 covers within it.Interior crossbeam 32 is horizontally fixed on the bottom outside car the place ahead bevelled handle riser 11 on the face of garden, the sleeve that interior crossbeam 32 inserts outer crossbeam 2.1 is interior also can twitch back and forth, outer crossbeam 2.1 tops at the nestable place of the inside and outside crossbeam 32 of nearly handle riser 11 and 2.1, vertically be welded with key seat 30 (referring to Figure 11), cinclides becomes penetrating hole on its hole and the outer crossbeam 2.1, interior crossbeam 32 roofs at nestable place are drilled with according to onesize hole on a plurality of and outer crossbeam 2.1 of crossbeam length adjusting needs, the bottom in hole is less than top, hole, sliding pin 27 can key seat and cooresponding in slide up and down in the corresponding aperture of crossbeam 32 upper walls, be with spring 29 on the thin axle journal on sliding pin 27 tops, the meticulous axle journal of center borehole jack on the lid 28 is screwed in sliding pin seat 30 upper flap in spring 29 upper ends, and sliding pin 27 tops are equipped with handgrip.

Fig. 1 and Fig. 5, Fig. 6, Figure 11, Figure 12, Figure 13 have described the view that two rear wheel frames 5 that have arc batten 5.1 are installed in the left and right sides of vehicle frame 2, the cover 5.5 of rear wheel frame 5 bottoms is slided on the axis 8.1 at bottom bracket axle 45 two ends that are contained in vehicle frame 2 respectively, after trailing wheel 6 is installed on the wheel shaft, be fixed in the bayonet socket 5.4 on the rear wheel frame 5, the wheel shaft of speed-changing chain 48 (referring to Fig. 2) is fixed in the change wheel hole 5.3, for ease of regulating the elasticity of messenger chain, the hole is made microscler.2.3 liang of lateral surfaces of vertical beam that two arc battens 5.1 lean against on the vehicle frame 2 pass from orientating box 36, face is arranged for stretching and positioning groove 5.6 and 5.2 folding, that launch adjusting and locking rear wheel frame 5 usefulness on arc batten 5.1, be positioned at arc batten 5.1 tops and be fixed in two vertical beams, 2.3 outsides plug housing 35 is arranged, latch 34 is along inserting in the plug housing in the following cooresponding positioning groove 5.6, two stage clip 33 1 ends pass latch 34 tops respectively, intermediate sleeve in crosswise fixed on the bolt 37 in the clothes hanger support 2.4, the other end colludes at left and right sides clothes hanger and supports 2.4 end faces, and spring is in the pretension state.

Fig. 7, Fig. 8 has described crank 8 one ends and has been fixed on bicycle middle shaft 8.1 two ends (referring to Fig. 1, Fig. 2), cover on the pedal axle 12 slides on the thin axle journal of crank 8 other ends, there are two relative fan grooves 42 at the middle part of cover perpendicular to its direction of axis line, the axis of fan-shaped line of centers and pedal axle 12 is miter angle, have on the thin axle journal of crank 8 and be horizontally through and fastening pin 38, its length equals the cover external diameter on the pedal axle 12, pin 38 is in fan groove 42, can make pedal axle 12 rotate 90 degree, baffle plate 40 is with holes with an end, the positioning reed 39 of one end band projection pawl squeezes the axial end at crank 8, the hole that screw 41 passes plate washer 40 and positioning reed 30 is screwed into the axial end of crank 8, and the projection on the back stop 39 snaps in the positioning pit of pedal axle.

What Fig. 9, Figure 10 showed is whole rectangular with the vehicle seat main body made from elastomeric sheet steel 3.1, its base postmedian fixing about the distance of two arms 3.7 corresponding with two vertical beams 2.3 (referring to Fig. 6) on the vehicle frame 2, arm 3.7 inserts in the vertical beam 2. and bone, its nestable place has and the locating dowel pin (referring to Fig. 4) of inside and outside crossbeam 32,2.1 tops with spline structure.The bottom of vehicle seat main body 3.1 is positioned at arm 3.7 rear portions and the rectangle vertical edge disconnects a breach, there is marshall springs 3.4 to support between the last bottom, the guidepost upper end is fixed on vehicle seat main body 3.1 tops, bottom is passed in the lower end, at marshall springs 3.4 centre pilots, both sides, top, vehicle seat main body 3.1 rear portion connect the saddle ear 3.2 of two symmetries with folding 44, with its holder flat after, vehicle seat 3 integral body are saddle-shaped, in the middle of the two saddle ears 3.2, there is bar shaped stay bearing plate 3.5 at the back side, rectangle top, its width is less than vehicle seat main body 3.1, its length can make when vertical with vehicle seat 3 line of centerss two saddle ears 3.2 be advisable on same plane with vehicle seat main body 3.1 so that it is forwarded to, belleville spring plate 3.6 is arranged at stay bearing plate 3.5 bottoms, and bolt is fixed on disk spring plate 3.6 and stay bearing plate 3.5 on the vehicle seat main body 3.1 together, and disk spring plate 3.6 is in the pretension state.

Figure 14, Figure 15 are the carriage 7 that is fixed in vehicle frame 2 lower ends, for portable more convenient when the bicycle folding, can be equipped with guar plate 7.5 (referring to Fig. 1, Fig. 2) in the bicycle both sides as the case shell, use bolt in the fixed cover 7.1 on adapter plate 2.6 (referring to Figure 11) the insertion carriage 7 on the vehicle frame 2, the fixed block 2.5 on carriage 7 front and rear fulcrums 7.2,7.4 and the vehicle frame 2, fixed orifice 2.7 are the position that installs and fixes of guar plate 7.5.

When bicycle need fold, be pushed into handlebar 1, the sliding sleeve on the heart 26, the front fork 10 and expose topped separately hinge 16,23,19, mention sliding pin 27, crossbeam 32 in pulling out, before handlebar 1 is folded to, the heart 26, front fork 10 to vehicle frame 2 directions fold into a heart 26 with outside crossbeam 2.1 parallel, front-wheel 9 bottoms ride in the middle of the bottom bracket axle 45 of vehicle frame 2, interior crossbeam 32 is advanced, put down sliding pin 27, the bicycle front portion is folded locking; Mention latch 34, arc batten 5.1 is loosened, and rear wheel frame 5 drives trailing wheels 6 and upwards turns in the case profile around axis 8.1, puts down in the positioning groove 5.2 that latch 34 will enter arc batten 5.1, and rear wheel frame is locked; Push away on the pedal axle 12, fan groove 42 turn 90 degrees along 38 pins, and the projection on the positioning reed 39 enters another positioning pit on the pedal axle 12 and locked; The hand stay bearing plate 3.5 of seat under 3 of changing trains or buses turn 90 degrees the angle, and saddle ear 3.2 loses and supports saggingly, and vehicle seat 3 becomes the carrying handle of chest, bicycle can be taken away easily, and when guar plate 7.5, the expansion that will not influence bicycle is with folding.

Claims (2)

1, a kind of box-type folding portable bicycle comprises front-wheel (9), trailing wheel (6), speed-changing chain (48), vehicle frame (2), vehicle seat (3), clothes hanger (4), crank (8), pedal axle (12), it is characterized in that:

(1), the left and right sides that the handle that is fixedly mounted on a heart (26) top connects cover (18) is fixed with respectively by handlebar hinge (16) two sections handlebars of forming of bonded assembly (1), on handlebar (1) surface of nearly handlebar hinge (16), be drilled with blind hole, be placed with spring (15) in the hole, steel ball (14) is pressed on the spring (15) and protrudes the surperficial free to rotate of handlebar (1), but can not deviate from blind hole, left and right sides sliding sleeve (17) is enclosed within on the handlebar (1) on both sides, with hand can about pass, when the one end leans against when connecing the outer garden face of cover (18), just in time handlebar hinge (16) and steel ball (14) are overlapped inside;

(2), two sections, by heart hinge (23) bonded assembly is contained in the heart (26) bottom in the handle riser (11) rotationally, the bottom is connected with front fork (10) by front fork hinge (19), locate identic blind hole, spring (24), (22) and steel ball (25), (21) and sliding sleeve (31), (20) closely heart hinge (23) and front fork hinge (19) being located all to have with handlebar hinge (16), when sliding sleeve (31) lean against the lower bulge of hinge (23), when sliding sleeve (20) leans against front fork hinge convex platform, the equal quilt cover of hinge separately and steel ball is within it;

(3) interior crossbeam (32) is horizontally fixed on the bottom on the face of the outer garden of car the place ahead bevelled handle riser (11), and can be back and forth insert in outer crossbeam (2.1) sleeve on the vehicle frame (2) with twitching, inside and outside crossbeam (32) at nearly handle riser (11), (2.1) top of the outer crossbeam (2.1) at nestable place, be vertically fixed with key seat (30), its hole is gone up cinclides with outer crossbeam (2.1) and is become penetrating hole, interior crossbeam 32 roofs at nestable place are drilled with a plurality of its tops and go up big or small identical with outer crossbeam (2.1), and can cooresponding hole when twitching, sliding pin (27) can upward slide up and down in the cinclides by crossbeam (32) in key seat and in cooresponding, but sliding pin is leaked down from the hole, be with spring (29) on the thin axle journal on sliding pin (27) top, the center borehole jack of lid (28) is crossed the thin axle journal of sliding pin (27) and is screwed in sliding pin seat (30) upper flap in spring (29) upper end;

(4) two rear wheel frames (5) that have arc batten (5.1) are positioned on the left and right sides of vehicle frame (2), the cover of its underpart (5.5) is enclosed within on the axis (8.1) that is positioned at bottom bracket axle (45) two ends rotationally, trailing wheel (6) wheel shaft is installed in the bayonet socket (5.4), speed-changing chain (48) wheel shaft is positioned in the change wheel hole (5.3), two arc battens (5.1) lean against two lateral surfaces of vertical beam (2.3) and pass orientating box (36) on it, a plurality of positioning grooves (5.6) are arranged on arc batten (5.1), (5.2), be positioned at arc batten (5.1) top and be fixed in two vertical beams (2.3) outside plug housing (35) is arranged, latch (34) can insert cooresponding positioning groove (5.6) along the seat tube, (5.2) in, two stage clip (33) one ends pass the corresponding top of latch (34), on the bolt (37) in the clothes hanger support (2.4), the other end colludes the end face in left and right sides clothes hanger support (2.4) to intermediate sleeve in crosswise fixed;

(5) two cranks (8) one ends are fixed on axis (8.1) two ends, the cover of pedal axle (12) is enclosed within on the thin axle journal of its other end rotationally, the cover of pedal axle (12) middle part is relative perpendicular to having two on the direction of axis line, line of centers and pedal axle (12) axis angle are the fan groove (42) of 45 degree, have on the thin axle journal of crank (8) and be horizontally through and fastening pin (38) on it, pin (38) is contained in the fan groove (42), and can make pedal axle (12) rotate 90 degree around thin axle journal, baffle plate (40) is with holes with an end, the positioning reed (39) of one end band projection pawl squeezes the axial end in crank (8), the hole that screw passes them is screwed into crank (8) axle head screw and pushes down, and the projection on the positioning reed (39) snaps in the positioning pit on the pedal axle (12);

(6) plate with elastomeric vehicle seat main body (3.1) curves rectangle, its base postmedian fixing about the distance of two arms (3.7) corresponding with last two vertical beams of vehicle frame (2) (2.3), the nestable place that arm (3.7) inserts vertical beam (2.3) have with in, outer crossbeam (32), (2.1) top is with the locating dowel pin (43) of spline structure, the rear portion and the rectangle vertical edge of the following arm (3.7) of vehicle seat main body (3.1) disconnect a breach, there is marshall springs (3.4) to support between the last bottom, the both sides, top at vehicle seat main body (3.1) rear portion connect the saddle ear (3.2) of two symmetries with folding (44), with its holder at ordinary times, be saddle-shaped with vehicle seat main body (3.1) integral body; Two saddle ears (3.2) are middle, there is bar shaped stay bearing plate (3.5) at the back side of rectangle top, its width is less than vehicle seat main body (3.1), its length can make two saddle ears (3.2) and vehicle seat main body (3.1) be advisable on same plane it is forwarded to line of centers with vehicle seat (2) when vertical, disk spring plate (3.6) is arranged at stay bearing plate (3.5) bottom, with the spring plate (3.6) of spiral shell pretension state it and stay bearing plate (3.5) is fixed on the vehicle seat main body (3.1) together.

2, box-type folding portable bicycle as claimed in claim 1, it is characterized in that: the bottom at the lower end bottom bracket axle (45) of vehicle frame (2) also is fixed with adapter plate (2.6), fixed block (2.5) is arranged on the outer crossbeam (2.1), in clothes hanger support (2.4), fixed orifice (2.7) is arranged, fixed cover (7.1) on the carriage (7) is fixed on the adapter plate (2.6), case shell-type guar plate (7.5) is positioned on the left and right sides of vehicle frame (2), the lower end of plate is separately fixed on front fulcrum (7.2) and the rear fulcrum (7.4), and the upper end is fixed on fixed block (2.5) and the fixed orifice (2.7).

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