CN2319297Y - Folding trailer for bicycle - Google Patents

Abstract

The utility model relates to a folding trailer for bicycles, which is composed of a seat cushion 1, a seat cushion column 2, a chain disc 3, pedals, 4, wheels 5, a rear support frame 6, a bicycle handlebar 7 and a direction joint 9. The structure also comprises a draw rod 8, an upper tube 10 of a frame, a lower tube 11 of the frame, outer sleeve tubes 14 and 15, an inner sleeve tube 19, a positioning rod 12, a connection board 13, a wear resistant washer 16 and a detachable bolt 20. The utility model is combined with the existing bicycle with two wheels, which enhances the functions of the bicycle; in addition, the utility model has the advantages of convenient assembly and disassembly, small folding volume, and easy portability and storage.

Description

Bicycle use folding towed vehicle

The utility model relates to the attached car of a kind of bicycle, particularly a kind of bicycle use folding towed vehicle.

At present, the home market does not still have the produce and market of this vehicle, and the attached car of bicycle mostly is loading and uses, and double bicycle driven is the vehicle of otherwise designed, manufacturing, and the structure of original bicycle has been done bigger change, the cost height, take up an area of greatly, not easy-to-collection.

The purpose of this utility model is on the basis that does not change original bicycle, increases a towed vehicle, can take for two people, and traffic safety, and easy to loading and unloading, volume after folding is little, is easy to carry about with one, collects.

The technical solution of the utility model is as follows:

A kind of bicycle use folding towed vehicle, form by seat cushion 1, seat pillar 2, chain dish 3, foot-operated 4, wheel 5, after poppet 6, handlebar 7, Hooke's universal joint 9, seat cushion 1 is contained on the seat pillar 2, seat pillar 2 inserts in the after poppet 6, chain dish 3 and wheel 5 link together by after poppet 6, and its structure also comprises drawbar 8, top tube 10, down tube 11, outer tube 14,15, inner sleeve 19, radius stay 12, connecting panel 13, wear washer 16 and quick detach latch 20; Hooke's universal joint 9 is contained in an end of drawbar 8; Handlebar 7 is welded on the drawbar 8; One end of the other end of drawbar 8 and down tube 11 connects together by outer tube 14,15 and inner sleeve 19, outer tube 14 is welded on the drawbar 8, outer tube 15 is welded on the down tube 11, inner sleeve 19 is inserted in the outer tube 14, outer tube 15 is welded in the two ends of inner sleeve 19, across wear washer 16, an aperture 17 is arranged on the outer tube 14 between the outer tube 14,15, there is an aperture 18 corresponding position on the inner sleeve 19; Radius stay 12 is welded on the outer tube 14; The other end of down tube 11 is connected with chain dish 3; Connecting panel 13 is welded on two down tubes 11; One end of top tube 10 is welded on the connecting panel 13; The other end of top tube 10 is welded on the support 6.

Because in the technique scheme, to existing two-wheeled cycle in addition extending and a kind of attached property vehicle that manufactures and designs.It has been by greatly having improved the function of bicycle with the combination of existing two-wheeled cycle, and easy to loading and unloading, and volume after folding is little, is easy to carry about with one, deposits.Be people not busy far with Holiday pastime, play a kind of desirable vehicle of religion women, infantile study car.

The utility model is described in more detail below in conjunction with drawings and Examples:

Fig. 1 is a structure principle chart of the present utility model;

Fig. 2 is the A portion enlarged drawing of Fig. 1;

Fig. 3 is the right elevation of Fig. 2;

Fig. 4 is running condition figure of the present utility model.

A kind of bicycle use folding towed vehicle, by seat cushion 1, seat pillar 2, chain dish 3, foot-operated 4, wheel 5, after poppet 6, handlebar 7, Hooke's universal joint 9 is formed, seat cushion 1 is contained on the seat pillar 2, seat pillar 2 inserts in the after poppet 6, chain dish 3 and wheel 5 link together by after poppet 6, Hooke's universal joint 9 direct connections are on the seat pillar of bicycle, thereby towed vehicle and bicycle are connected as a single entity, Hooke's universal joint 9 has high hardness, the highly anti-fatigue degree, characteristic such as wear-resisting, and four direction is all removable up and down, can coordinate operation freely when guaranteeing towed vehicle with bicycle running, its structure also comprises drawbar 8, top tube 10, down tube 11, outer tube 14,15, inner sleeve 19, radius stay 12, connecting panel 13, wear washer 16 and quick detach latch 20; Drawbar 8 is the part of the force, adopts the steel of intensity height, good toughness, has specific radian; Hooke's universal joint 9 is contained in an end of drawbar 8; Handlebar 7 is welded on the drawbar 8; One end of the other end of drawbar 8 and down tube 11 connects together by outer tube 14,15 and inner sleeve 19, outer tube 14 is welded on the drawbar 8, outer tube 15 is welded on the down tube 11, inner sleeve 19 is inserted in the outer tube 14, outer tube 15 is welded in the two ends of inner sleeve 19, across wear washer 16, an aperture 17 is arranged on the outer tube 14 between the outer tube 14,15, there is an aperture 18 corresponding position on the inner sleeve 19; Radius stay 12 is welded on the outer tube 14; The other end of down tube 11 is connected with chain dish 3; Connecting panel 13 is welded on two down tubes 11; One end of top tube 10 is welded on the connecting panel 13; The other end of top tube 10 is welded on the support 6.When launching towed vehicle, the radius stay 12 of rotation drawbar 8 on outer tube 14 withstands connecting panel 13, and at this moment, the position of the aperture 18 on the aperture 17 on the outer tube 14 and the inner sleeve 19 is corresponding, and insertion quick detach latch 20 gets final product.When folding towed vehicle, extract quick detach latch 20, the direction Rotate 180 degree of drawbar 8 to down tube 11 got final product.

Bicycle use folding towed vehicle can be designed the car type of all sizes such as 20 inches, 16 inches according to bicycle size (26 inches, 24 inches etc. car type).

Claims (1)

1, a kind of bicycle use folding towed vehicle, by seat cushion (1), seat pillar (2), chain dish (3), foot-operated (4), wheel (5), after poppet (6), handlebar (7), Hooke's universal joint (9) is formed, seat cushion (1) is contained on the seat pillar (2), seat pillar (2) inserts in the after poppet (6), chain dish (3) and wheel (5) link together by after poppet (6), it is characterized in that: its structure also comprises drawbar (8), top tube (10), down tube (11), outer tube (14), (15), inner sleeve (19), radius stay (12), connecting panel (13), wear washer (16) and quick detach latch (20); Hooke's universal joint (9) is contained on the drawbar (8); Handlebar (7) is welded on the drawbar (8); Top tube (10) is connected between down tube (11) and the support (6), and connecting panel (13) is welded on two down tubes (11); Top tube (10) is welded on the connecting panel (13); Drawbar (8) connects together by outer tube (14), (15) and inner sleeve (19) with down tube (11); Outer tube (14) is welded on the drawbar (8), and outer tube (15) is welded on the down tube (11); Inner sleeve (19) is inserted in the outer tube (14), and outer tube (15) is welded in the two ends of inner sleeve (19); Between outer tube (14), (15) across wear washer (16); One aperture (17) is arranged on the outer tube (14), and inner sleeve (19) is gone up corresponding position an aperture (18); Radius stay (12) is welded on the outer tube (14).

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