CN2225418Y - Shock-proof foldable bicycle - Google Patents

Abstract

The utility model discloses a shock-proof foldable bicycle. A locating rod is hinge jointed between the center beam of the front bicycle frame of the existing bicycle and the lower part of the pipe frame of a bicycle saddle; the front end of a back cross folding frame is hinge jointed with the lower part of the upper beam of the front bicycle frame, and the front end of the back cross folding frame is fixed with a center axis seat and is fixedly provided with back wheels; a return rod is hinge jointed between the back cross folding frame and the lower end of the bicycle saddle frame; a folding locking mechanism is arranged between the back cross folding frame and the lower end of the center beam of the front bicycle frame. The folding and the unfolding of the bicycle can be finished via one-step operation, and the bicycle has simple operation, rapid folding, which need no tools; the occupying space of the bicycle can be reduced over a half after the bicycle being folded; the bicycle is convenient for carrying, which can be used for various vehicles to be carried; the bicycle is tightly locked, which is safe, and simultaneously the bicycle is added with a shock-proof device to make the ride more comfortable.

Description

Folding anti-vibration bicycle

The utility model relates to a kind of improvement of bicycle.

At present, bicycle has become one of main vehicle of city dweller, but most of bicycles can not fold, take up room, the city dweller bicycle parking difficulty less for the living space become common problem, and most bicycle all leaves between the housing-group, and be therefore easily stolen and lose, in addition, owing to can not fold to make and carry inconvenience, for working road city dweller far away, majority need be changed to automobile or subway midway and with bicycle storing AT STATION, use very inconvenience, in addition, in anomalous weather such as wind and rain sky or when being pressed for time, often need call a taxi, for " face " bicycle carry take up room bigger, and there have half bicycle to be exposed for car to be promptly not attractive in appearance dangerous, and a small amount of folding bicycle is also arranged now, but the folding link of this car is more, need through multi-pass operation, also need individually to carry out with instrument.

It is collapsible anti-vibration bicycle through single job that the utility model purpose provides a kind of need.

This car comprises handlebar, front vehicle frame, front fork, front-wheel, vehicle seat, the vehicle seat pipe support, chain drive and trailing wheel, it is characterized in that vehicle seat pipe support below is hinged with radius stay one end, the radius stay other end and front vehicle frame central sill are hinged, vehicle seat pipe support lower surface contacts with the front vehicle frame central sill, with hinged below the front end of the fixing folded frame of the back vent that trailing wheel is housed of central axis seat and the front vehicle frame central sill and the central sill lower end is contacted with central axis seat, folded frame front end of back vent and vehicle seat pipe support lower end are hinged with return bar two ends respectively, between folded frame of back vent and front vehicle frame central sill lower end, folding catch gear is installed, between axis and the hind axle chain drive is installed.

The utility model embodiment accompanying drawings is as follows:

Fig. 1 folds the anti-vibration bicycle structural representation;

Fig. 2 folded state bicycle scheme drawing;

Anti-vibration structure cutaway view behind Fig. 3;

Fig. 4 front shock-proof device structure cutaway view;

Fig. 5 folds the position locking structural scheme of mechanism.

As shown in Figure 1, this car comprises front vehicle wheel 1, front vehicle frame 2, a handle of handlebar upright 3 and a horizontal stroke 5, this car forebody is installed with common car identical, vehicle seat 7 is installed on the vehicle seat pipe support 6, vehicle seat pipe support below is hinged with radius stay 41 1 ends, the central sill of the radius stay other end and front vehicle frame 2 is hinged and vehicle seat pipe support lower surface is contacted and triangular in shape with central sill with hinge 26, at vehicle seat pipe support lower end a shock-proof block 15 is installed, with hinged and it is contacted with central axis seat below the front end of the fixing folded frame 13 of the back vent that trailing wheel 12 is housed of central axis seat 42 and the front vehicle frame central sill with hinge 25, also can between front vehicle frame central sill lower end and central axis seat, install the back shock absorbing apparatus additional and see Fig. 3, folded frame front end of back vent and vehicle seat pipe support lower end are hinged with return bar 14 two ends respectively, between folded frame of back vent and front vehicle frame central sill lower end, folding catch gear is installed, wherein folded frame of back vent and front vehicle frame central sill adopt shape tube, between axis and the trailing wheel chain drive is installed, the front end of clothes hanger 9 is hinged by hinge 40 and vehicle seat pipe support, the two ends of clothes hanger pole 8 are hinged by hinge 24 with clothes hanger and front vehicle frame central sill lower end respectively, supporting seat 29 is housed below clothes hanger sees Fig. 5, the folded position latch hook 11 that has cage knob and cooperate with the central sill lower end wherein is installed, locking spring 27 is installed between locating dowel pin 28 under clothes hanger and the latch hook is constituted folded position locking mechanism, comprise that at the folding catch gear between the folded frame of back vent being fixed on back vent folds the limiting stopper 16 on the frame and be installed in the operating crank 10 that cooperates with the central sill lower end between the folded frame of back vent, and the locking spring of installing between crank and folded frame 17 constitutes, see Fig. 3 in central sill lower end and crank 10 contact positions guar plate 18 of installation, wherein the back shock absorbing apparatus comprises that the shock-absorbing seat 22 that is fixed on the central axis seat and suit use the spacing shock resistance block 19 of pin 21 thereon, shock-proof spring 20 is installed between central axis seat and the shock resistance block, the spacing rubber cradle 23 of while suit on the shock-absorbing seat, the shock resistance block upper surface contacts and is designed to circular arc camber with the central sill lower surface.See Fig. 4 at a horizontal stroke of handlebar and the front shock-proof device device is installed between upright, front shock-proof device shell 4 is by being fixed on horizontal clips 37 and bolt 38 horizontal middle part of fixing with it on one side, shell 4 upper ends are hinged with a upright upper end by bearing pin 39, shock-absorbing pin 35 is from packing ring 36 front shock-proof device shells and passing the hole on the upright shock-absorbing box of fixing 32, vibration damping spring 34 in the shock-absorbing box is enclosed within on the shock-absorbing pin and uses packing ring 33, and locknut 30, locking plate 31 are fixed on the shock-absorbing pin.

This car is at running condition such as Fig. 1, shown in Figure 3, and the operating crank 10 in the folding latching device is close to its lower end with limiting stopper 16 and passes through guar plate 18 with front vehicle frame central sill lower end fixing and locking under spring 17 effects.When folding 10 inverse times of crank are rotated, when treating that it screws out the central sill lower end, with the folded frame up time backspin of back vent, the folded frame front end promotion of back vent this moment return bar 14 drive vehicle seat pipe supports and central sill are close, then up time and vehicle seat pipe support are close to the utmost point spacing downwards for clothes hanger, folded position latch hook 11 in the folded position locking mechanism is hung over central sill 2 lower end cambered surface intersections finish folded position locking and see Fig. 2, during use latch hook 11 outward turning reverse operatings are got final product.

The utility model advantage: 1, the folding and expansion of this car only needs through a cranker Or latch hook one step finish, foldingly do not need simply rapidly any instrument; 2, this car rugosity Attitude can reduce that to take up an area the space over half, travels and very convenient to carry, is suitable for each Planting automobile carries; But auto lock was fixed after 3, this car exhibition was opened, gravity and lock when riding Tight direction is identical, makes its locking safe and reliable and not unfolded; 4, this car is equipped with shock-absorbing Install, riding at the countryside rough road does not have sense of discomfort yet; 5, this bassinet structure letter Single, design ingeniously, cost is low, is particularly suitable for the city dweller and reaches and often go out or go to work the road The way far needs transfer automobile or subway person to use.

Claims (4)

1, a kind of folding anti-vibration bicycle, comprise handlebar, front vehicle frame, front fork, front-wheel, vehicle seat, the vehicle seat pipe support, chain drive and trailing wheel, it is characterized in that vehicle seat pipe support below is hinged with radius stay one end, the radius stay other end and front vehicle frame central sill are hinged, vehicle seat pipe support lower surface contacts with the vehicle frame central sill, with hinged below the front end of the fixing folded frame of the back vent that trailing wheel is housed of central axis seat and the front vehicle frame central sill and the central sill lower end is contacted with central axis seat, folded frame front end of back vent and vehicle seat pipe support lower end are hinged with return bar two ends respectively, between folded frame of back vent and front vehicle frame central sill lower end, folding catch gear is installed, between axis and the hind axle chain drive is installed.

2, bicycle according to claim 1, it is characterized in that clothes hanger front end and vehicle seat pipe support are hinged, clothes hanger pole two ends are hinged with clothes hanger and front vehicle frame central sill lower end respectively, supporting seat is equipped with in the clothes hanger below, the folded position latch hook that has cage knob and cooperate with the central sill lower end wherein is installed, locking spring is installed between the locating dowel pin under latch hook and the clothes hanger constitutes catch gear, folding catch gear comprises the limiting stopper that is fixed on the folded frame of back vent and the folding operating crank that cooperates with the central sill lower end between the folded frame of back vent between the folded frame of back vent, and folds the locking spring formation of installing between frame at crank and back vent.

3, bicycle according to claim 1 and 2, it is characterized in that between front vehicle frame central sill lower end and central axis seat, installing additional the back shock absorbing apparatus, comprise that the shock-absorbing seat and the suit that are fixed on the central axis seat use the spacing shock resistance block of pin thereon, between central axis seat and shock resistance block shock-proof spring is installed, the shock resistance block upper surface contacts with front vehicle frame central sill lower surface.

4, bicycle according to claim 1 and 2, it is characterized in that handlebar horizontal with between upright, the front shock-proof device device is installed, the front shock-proof device shell is by being fixed on horizontal clips horizontal middle part of fixing with it on one side, front shock-proof device shell upper end is hinged with a upright upper end by bearing pin, the shock-absorbing pin is from the front shock-proof device shell and passing the hole on the upright shock-absorbing box of fixing, and the front shock-proof device spring in the shock-absorbing box is enclosed within on the shock-absorbing pin and with packing ring and locknut and is fixed on the shock-absorbing pin.

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