CN201102608Y

CN201102608Y - Portable multifunction folding bicycle

Info

Publication number: CN201102608Y
Application number: CNU2007201023928U
Authority: CN
Inventors: 史卫军
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-08-28
Filing date: 2007-08-28
Publication date: 2008-08-20
Anticipated expiration: 2017-08-28

Abstract

The utility model relates to the field of bicycle technology, in particular to a portable multi-functional folded bicycle which solves the problems of the prior bicycle such as complicated folded structure, trivial operation and single function. The utility model comprises a beam, a front fork, a rear fork, a front wheel and a rear wheel. A handle vertical pipe is fixed in the joint between the front fork and the beam; a saddle vertical pipe is arranged in the joint between the rear fork and the beam; the middle part of the beam is provided with a beam folding component; the front fork is provided with an object rack and a support walking rack; the beam folding component includes a folded plate; the upper and the lower ends of the folded plate are respectively provided wit a clamping slot, one side of the two folded plates is hinged through a rotating shaft and the other side is provided with a locking slot; the lower end of the rotating shaft is fixed with a locking lever and the head of the locking lever is provided with an adjustable handle; the rear part of the front fork is provided with an inserted column and a column sleeve matched with the inserted column is fixed below one side of the rear fork. The portable multi-functional folded bicycle has the advantages of small volume, multiple purposes, pleasant appearance, time-saving and convenient folding, small occupied space, being used as luggage cart and seat after folded and low cost, thus being conducive to promotion.

Description

The portable multi-function folding bicycle

Technical field

The utility model relates to technical field of bicycles, is specially a kind of portable multi-function folding bicycle.

Background technology

Known, bicycle is a kind of extraordinary walking-replacing tool, it does not consume the disposable energy, free from environmental pollution, it is convenient, flexible to ride, and bicycle also can be used as the equipment of people's outdoor activity simultaneously, yet, no matter be as the walking-replacing tool or the equipment of outdoor activity, the development tendency of bicycle is, on sense organ, require attractive in appearance, moulding and color unique novel, pattern variety is various; Structurally require firmly, simply; On volume, weight, require miniaturization, lighting.In order to make existing ordinary bicycle more be tending towards miniaturization, lighting, people have developed the Folding Bicycle of multiple different structure, make bicycle when not riding, be easy to carry about with one, take up room when depositing little, but foldable structure complexity, the complex operation of existing bicycle, people need the expensive time usually, even also to carry special tool and just can finish the folding of bicycle and launch, and existing folding bicycle is as the vehicle the most easily, but be difficult in shipping goods in the long-term travel, luggage, make the function of bicycle limited greatly.

Summary of the invention

The utility model is in order to solve existing bicycle folding complex structure, complex operation, and problem such as function ratio is more single, and a kind of portable multi-function folding bicycle is provided.

The utility model is to adopt following technical scheme to realize: the portable multi-function folding bicycle, comprise crossbeam, with fixing respectively front fork, the back vent in crossbeam front and back end, also comprise with front fork and pass through axletree bonded assembly front-wheel, pass through axletree bonded assembly trailing wheel with back vent, front fork and crossbeam junction are fixed with stem, back vent and crossbeam junction are provided with the vehicle seat standpipe, the folding crossbeam member that is divided into two sections is set up at the crossbeam middle part, telescopic luggage carrier is set on the front fork and supports walker; Described folding crossbeam member comprises the folded sheet that is individually fixed in crossbeam cut section, the folded sheet upper and lower end is respectively equipped with draw-in groove, two folded sheet one sides are hinged by rotating shaft, opposite side is interval with trivial groove, one of them folded sheet lower end is fixed with trivial bar, trivial rod end head is provided with the regulating handle with its screw thread fit, and trivial bar below is fixed on the baffle plate; The rear of front fork and crossbeam junction is inserting column fixedly, the fixing column sleeve that cooperates with inserting column of back vent one side-lower; The utility model is divided into two parts by the folding crossbeam member with whole cycle frame, the fast folding and the expansion of car body have been realized simultaneously by the loose-leaf structure of component set-ups such as folded sheet, rotating shaft, trivial bar, the vehicle body that then can make after folding that is used of inserting column and column sleeve links closely, not easily separated, compare with existing folding bicycle, the utility model is simple in structure, easy and simple to handle, quick;

Described luggage carrier comprise U type frame, with the bracing frame that U type frame dual-side front end flexibly connects, U type frame dual-side rear end is hinged with the front fork both sides by spacer, bolt, is fixed with respectively the connecting rod with the flexible connection of front-wheel axletree on two bracing frames; U type frame one side is longer than another side, and a wherein long side front end is provided with buckle, has on it on spacer of knock hole and is fixed with shell fragment, and the buckle button that presses with knock hole is set on the shell fragment; When bicycle during, luggage carrier is folded up by said structure as walking-replacing tool or body-building apparatus; Behind bicycle folding, luggage carrier can be launched, above baggage container is placed in, this moment folding bicycle to can be used as be the instrument of delivery luggage, also can be used as stool or chaise longue simultaneously and use;

Described support walker comprises and front fork both sides pivotally attached nose type frame, both sides, nose type frame lower end are provided with road wheel, trivial tight spring also is set respectively between nose type frame both sides and the front fork, support walker two functions are arranged, the one, the supporting construction when launching as bicycle, this structure is consistent with the supporting construction of existing bicycle rear, and the 2nd, the road wheel of dependence nose type frame lower end makes transporting of luggage convenient, time saving and energy saving.

Compared with prior art, the utlity model has that volume is little, high-mobility, multipurpose, wheeled vehicle, good looking appearance, the folding advantage such as little that saves time conveniently, takes up room, can be used as baggage car after folding, the seat stool uses, and is the optimal selection that people go on a journey, and cost is lower,, help promoting.

Description of drawings

Fig. 1 is a deployed configuration scheme drawing of the present utility model

Fig. 2 is the folding crossbeam structural representation

Fig. 3 is the structural representation of luggage carrier

Fig. 4 is the folded state scheme drawing of stem

Fig. 5 is the foldable structure scheme drawing of vehicle seat standpipe

Fig. 6 is the partial enlarged drawing of A among Fig. 1

Fig. 7 is the partial enlarged drawing of B among Fig. 1

Among the figure: the rotational pin 33-baffle plate of the trivial tight spring 29-folding component 30-connecting rod 31-plug 32-band handle of the trivial bar 16-of the 1-crossbeam 2-front fork 3-back vent 4-front-wheel 5-trailing wheel 6-stem 7-vehicle seat standpipe 8-folding crossbeam member 9-U type frame 10-bracing frame 11-folded sheet 12-draw-in groove 13-trivial groove 15-of rotating shaft 14-regulating handle 17-inserting column 18-column sleeve 19-spacer 20-bolt 21-connecting rod 22-buckle 23-knock hole 24-shell fragment 25-buckle button 26-nose type frame 27-road wheel 28-

The specific embodiment

As shown in Figure 1, the portable multi-function folding bicycle, comprise crossbeam 1, with fixing respectively front fork 2, the back vent 3 in crossbeam 1 front and back end, also comprise with front fork 2 and pass through axletree bonded assembly front-wheel 4, pass through axletree bonded assembly trailing wheel 5 with back vent 3, front fork 2 is fixed with stem 6 with crossbeam 1 junction, back vent 3 is provided with vehicle seat standpipe 7 with crossbeam 1 junction, and the folding crossbeam member 8 that is divided into two sections is set up at crossbeam 1 middle part, telescopic luggage carrier is set on the front fork 2 and supports walker;

As shown in Figure 2, described folding crossbeam member 8 comprises the folded sheet 11 that is individually fixed in crossbeam cut section, the folded sheet upper and lower end is respectively equipped with draw-in groove 12, two folded sheet one sides are hinged by rotating shaft 13, opposite side is interval with trivial groove 14, one of them folded sheet lower end is fixed with trivial bar 15, and trivial bar 15 terminations are provided with the regulating handle 16 with its screw thread fit, and trivial bar 15 belows are fixed on the baffle plate 33; The rear of front fork 2 and crossbeam 1 junction is inserting column 17 fixedly, the fixing column sleeve 18 that cooperates with inserting column 17 of back vent 3 one side-lowers; Inserting column 17 is provided with buckle 22, and column sleeve 18 inboards have knock hole 23, also is fixed with the shell fragment 24 that is positioned at column sleeve 18 rears on the back vent 3, the buckle button 25 that the knock hole 23 on shell fragment 24 inboard settings and the column sleeve 18 presses.During concrete folding, the rotation regulating handle makes trivial bar break away from draw-in groove, trivial groove, two folded sheets rotate and open with rotating shaft, thereby make folding the turn to rear vehicle of Vehicular body front along with crossbeam, stretcher is passed in the middle of two crossbeams, and make the inserting column of front fork and crossbeam junction insert in the column sleeve of back vent below, buckle on the inserting column inserts in the knock hole of column sleeve inboard and presses with the buckle button of shell fragment inboard immediately, realized the folding of bicycle, link closely in Vehicular body front and rear portion simultaneously, are difficult for breaking away from; When bicycle need launch, firmly click the buckle button on the shell fragment, make inserting column break away from column sleeve, Vehicular body front is slowly launched around the folding crossbeam member, trivial groove on two folded sheets overlaps, insert trivial bar in the trivial groove then and rotate regulating handle, the draw-in groove clamping on handle, at its lower end and the folded sheet is got final product.

As shown in Figure 3, the bracing frame 10 that described luggage carrier comprises U type frame 9, flexibly connects with U type frame 9 dual-side front ends, U type frame 9 dual-side rear ends are hinged by spacer 19, bolt 20 and front fork 2 both sides, are fixed with respectively the connecting rod 21 that flexibly connects with front-wheel 4 axletrees on two bracing frames; Wherein U type frame 9 one side front ends are provided with buckle 22, have on it on spacer 19 of knock hole 23 and are fixed with shell fragment 24, and the buckle button 25 that presses with knock hole 23 is set on the shell fragment 24; When luggage carrier folds, U type frame shrinks around front fork, bracing frame overlaps with U type frame under the effect of connecting rod, after folding, buckle on the U type frame side just in time stretches in the knock hole on the spacer, simultaneously with shell fragment on the buckle button press, realize linking closely of bracing frame and U type frame, prevent in the bicycle running process that luggage carrier rocks or hinders bicycle to move ahead; When being used to check luggage behind the bicycle folding, firmly click the buckle button on the shell fragment, make that the buckle on the U type frame breaks away from knock hole, luggage carrier launches.

As shown in Figure 1, described support walker comprises and front fork 2 both sides pivotally attached nose type framves 26, both sides, nose type frame 26 lower end are provided with road wheel 27, and trivial tight spring 28 also is set respectively between nose type frame 26 both sides and the front fork 2, and nose type frame is propped or packed up around front fork under the effect of trivial tight spring.

As shown in Figure 4, stem 6 is provided with folding component 29 with crossbeam 1 junction, described folding component 29 comprises the folded sheet 11 that is individually fixed in stem 6 cut sections, folded sheet 11 left and right sides are respectively equipped with draw-in groove 12, two folded sheet rear sides are hinged by rotating shaft 13, one of them folded sheet lower end is fixed with trivial bar 15, trivial bar 15 terminations are provided with the regulating handle 16 with its screw thread fit, trivial bar 15 belows are fixed on the baffle plate 33, the effect of baffle plate 33 can make stem and front fork staple together, and plays fixation.The structure of this folding component and folding crossbeam member and using method basically identical, stem can fold according to actual needs.

As shown in Figure 5, vehicle seat standpipe 7 lower ends of inserting in the crossbeam 1 are hinged with connecting rod 30, connecting rod 30 lower ends connect plug 31, be provided with the rotational pin 32 of being with handle on the crossbeam 1 and with vehicle seat standpipe 7 splicing positions, the rotational pin 32 of band handle go deep in the crossbeam 1 and with 7 clampings of vehicle seat standpipe, when the vehicle seat standpipe needs lifting, rotary handle, make rotational pin screw out crossbeam and separate with the vehicle seat standpipe, then certain altitude is extracted and risen to the vehicle seat standpipe, with fixing in the rotational pin precession crossbeam and with the vehicle seat standpipe, promptly realized the lifting of vehicle seat again; When the vehicle seat standpipe need fold, rotary handle made rotational pin screw out crossbeam and separates with the vehicle seat standpipe, extract the vehicle seat standpipe then, because between vehicle seat standpipe and the connecting rod is hinged, so this hinged place is burst, plug can prevent that connecting rod breaks away from the vehicle seat standpipe.

Claims

1, a kind of portable multi-function folding bicycle, comprise crossbeam (1), with the fixing respectively front fork (2) in crossbeam (1) front and back end, back vent (3), also comprise with front fork (2) and pass through axletree bonded assembly front-wheel (4), pass through axletree bonded assembly trailing wheel (5) with back vent (3), front fork (2) is fixed with stem (6) with crossbeam (1) junction, back vent (3) is provided with vehicle seat standpipe (7) with crossbeam (1) junction, it is characterized in that: the folding crossbeam member (8) that is divided into two sections is set up at crossbeam (1) middle part, telescopic luggage carrier is set on the front fork (2) and supports walker;

Described folding crossbeam member (8) comprises the folded sheet (11) that is individually fixed in crossbeam cut section, the folded sheet upper and lower end is respectively equipped with draw-in groove (12), two folded sheet one sides are hinged by rotating shaft (13), opposite side is interval with trivial groove (14), one of them folded sheet lower end is fixed with trivial bar (15), trivial bar (15) termination is provided with the regulating handle (16) with its screw thread fit, and trivial bar (15) below is fixed on the baffle plate (33); The rear of front fork (2) and crossbeam (1) junction is inserting column (17) fixedly, the fixing column sleeve (18) that cooperates with inserting column (17) of back vent (3) one side-lowers;

The bracing frame (10) that described luggage carrier comprises U type frame (9), flexibly connects with U type frame (9) dual-side front end, U type frame (9) dual-side rear end is hinged by spacer (19), bolt (20) and front fork (2) both sides, is fixed with respectively the connecting rod (21) that flexibly connects with front-wheel (4) axletree on two bracing frames; Wherein U type frame (9) one side front ends are provided with buckle (22), have on it on spacer (19) of knock hole (23) and are fixed with shell fragment (24), and shell fragment (24) is gone up the buckle button (25) that presses with knock hole (23) is set;

Described support walker comprises and front fork (2) both sides pivotally attached nose type framves (26) that nose type frame (26) both sides, lower end are provided with road wheel (27), between nose type frame (26) both sides and the front fork (2) trivial tight spring (28) are set respectively also.

2, portable multi-function folding bicycle according to claim 1, it is characterized in that inserting column (17) is provided with buckle (22), column sleeve (18) inboard has knock hole (23), also be fixed with the shell fragment (24) that is positioned at column sleeve (18) rear on the back vent (3), the buckle button (25) that the knock hole (23) on inboard setting of shell fragment (24) and the column sleeve (18) presses.

3, portable multi-function folding bicycle according to claim 1 and 2, it is characterized in that stem (6) and crossbeam (1) junction are provided with folding component (29), described folding component (29) comprises the folded sheet (11) that is individually fixed in stem (6) cut section, folded sheet (a 11) left side, the right side is respectively equipped with draw-in groove (12), two folded sheet rear sides are hinged by rotating shaft (13), one of them folded sheet lower end is fixed with trivial bar (15), trivial bar (15) termination is provided with the regulating handle (16) with its screw thread fit, and trivial bar (15) below is fixed on the baffle plate (33).

4, portable multi-function folding bicycle according to claim 1 and 2, it is characterized in that vehicle seat standpipe (7) lower end of inserting in the crossbeam (1) is hinged with connecting rod (30), connecting rod (30) lower end connects plug (31), crossbeam (1) is gone up and is provided with the rotational pin (32) of band handle with vehicle seat standpipe (7) splicing position, the rotational pin (32) of band handle go deep in the crossbeam (1) and with vehicle seat standpipe (7) clamping.