CN201545128U - Double foldable bicycle - Google Patents

Abstract

The utility model relates to a double foldable bicycle which comprises a frame (1), a front wheel (2), a rear wheel (3), a seat (4), a handle (5) and a foot pedal (6), wherein a cross beam of the frame (1) comprises a front beam (7), a middle beam (8) and a rear beam (9), wherein the front beam (7) is connected with the front wheel (2), the upper end of the front beam (7) is provided with the handle (5) through a twisting-adjusting rotary shaft (10), the middle portion is provided with a height adjusting screwing screw (11), the middle beam (8) is connected with the front beam (7) through a mobile rotary shaft (12), one end of the rear beam (9) is connected with the middle beam (8) through another mobile node rotary shaft (12), the other end in the negative direction is connected with the rear wheel (3), and the upper end is connected with the seat (4) through the height adjusting screwing screw (11). A plurality of portions of the double foldable bicycle can be folded, and the double foldable bicycle can be used by two persons, and is extremely convenient to use.

Description

A kind of two-player foldable formula bicycle

Technical field:

The utility model relates to a kind of bicycle, especially a kind of two-player foldable formula bicycle.

Background technology:

In global warming, today of energy growing tension, people more and more pay attention to the saving of the energy.Bicycle more and more comes into one's own as the vehicle of environmental protection.Because portable bicycle is convenient to use with other transit equipment collocation, is more suitable for existing transit mode, has had very large market.So far the portable bicycle that has overwhelming superiority do not occur, this point has illustrated that from the side existing portable bicycle does not also have maturation in design, needs to continue to improve.

Existing portable bicycle normally only is made of two parts at the crossbeam of support, and described two parts are rotatably connected by a rotating shaft.This folding mode makes the length dimension of the car body after folding fully not shorten, thereby is inconvenient to carry, and carrying is also inconvenient.

The utility model content:

Characteristics such as the purpose of this utility model just is the deficiency at prior art, and a kind of two-player foldable formula bicycle is provided, and it has the many places folder function, and folding convenient, compact conformation, folding back are easy to carry.

Realize that the technical scheme that the utility model purpose is adopted is: a kind of two-player foldable formula bicycle, it comprises vehicle frame, front-wheel, trailing wheel, seat, handgrip and step, it is characterized in that, the crossbeam of vehicle frame comprises:

One front-axle beam, it is connected with described front-wheel, and the axle mounting handgrip is turned by twisting in its upper end, and its middle part is provided with the height adjustment tighten the screws;

One central sill, it is connected by the movable joint rotating shaft with described front-axle beam;

One back rest, its end carriage with described in be connected by another movable joint rotating shaft, the reciprocal other end is connected with described trailing wheel, the upper end is connected with seat by the height adjustment tighten the screws;

Also be provided with a support beam on the central sill, support beam is connected with another seat by the height adjustment tighten the screws.

As preferably, an article box is installed also on the described back rest.

The utlity model has following beneficial effect:

1, it is can many places folding for the utility model, can double use, and very easy to use.

2, the utility model design is unique, novel, makes easily.

3, the utility model is simple and practical, cost is low, has bigger market outlook.

Description of drawings:

Below in conjunction with accompanying drawing the utility model is further described.

Fig. 1 is a structural representation of the present utility model.

Among the figure, 1. vehicle frame, 2. front-wheel, 3. trailing wheel, 4. seat, 5. handgrip, 6. step, 7. front-axle beam, 8. central sill, 9. the back rest is 10. twisted and is turned axle, 11. height adjustment tighten the screws, 12. movable joint rotating shafts, 13. seats, 14. support beams, 15. article box.

The specific embodiment:

As shown in Figure 1, a kind of two-player foldable formula bicycle, it comprises vehicle frame 1, front-wheel 2, trailing wheel 3, seat 4, handgrip 5 and step 6, the crossbeam of vehicle frame 1 comprises a front-axle beam 7, a central sill 8, a back rest 9; Front-axle beam 7, it is connected with described front-wheel 2, and axle 10 installation handgrips 5 are turned by twisting in its upper end, and its middle part is provided with height adjustment tighten the screws 11; Central sill 8, it is connected by movable joint rotating shaft 12 with described front-axle beam 7; The back rest 9, its end is connected by another movable joint rotating shaft 12 with described central sill 8, and the reciprocal other end is connected with described trailing wheel 3, and the upper end is connected with seat 4 by height adjustment tighten the screws 11; Also be provided with a support beam 14 on the central sill 8, support beam 14 is connected with another seat 13 by height adjustment tighten the screws 11, and seat 13 can be regulated seat 13 height by height adjustment tighten the screws 11 for uses such as children, use thereby can supply with different crowd, as snug as a bug in a rug.

After folding, described handgrip 5 can fall into plane, crossbeam place;

Height adjustment tighten the screws 11 on the described front-axle beam 7 can raise after regulating drawing, and described seat 4, seat 13 also can raise after regulating drawing, and so design can adapt to people's height, need not to select the small-sized greatly, very easy to use of car;

Described front-axle beam 7, central sill 8, the back rest 9 folding backs become " N " shape, and volume after folding is reduced greatly, thereby is convenient to place, and does not take up space;

One article box 15 also is installed on the described back rest 9, can conveniently places some article etc.

Groundwork of the present utility model and principal character and advantage have more than been described.The technical personnel of the industry can be understood; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification sheets just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all will fall in claimed the utility model scope.

Claims (2)

1. two-player foldable formula bicycle, it comprises vehicle frame, front-wheel, trailing wheel, seat, handgrip and step, it is characterized in that, the crossbeam of vehicle frame comprises:

One front-axle beam, it is connected with described front-wheel, and the axle mounting handgrip is turned by twisting in its upper end, and its middle part is provided with the height adjustment tighten the screws;

One central sill, it is connected by the movable joint rotating shaft with described front-axle beam;

One back rest, its end is connected by another movable joint rotating shaft with described central sill, and the reciprocal other end is connected with described trailing wheel, and the upper end is connected with seat by the height adjustment tighten the screws;

Also be provided with a support beam on the central sill, support beam is connected with another seat by the height adjustment tighten the screws.

2. a kind of two-player foldable formula bicycle according to claim 1 is characterized in that: an article box also is installed on the described back rest.

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