CN2315028Y - Foldable trailer for bicycle - Google Patents

Abstract

The utility model relates to a folding trailer for bicycles, which is driven by double persons. The utility model is composed of a seat cushion 1, a seat cushion column 2, pedals 3, a chain disc, 4, wheels 5, a handlebar 6, a rear support frame 7 and a direction joint 8. The structure also comprises a draw bar 8, a bi-pass tube 12, a reinforcement tube 9, a lower tube 10 of a frame, a middle tube 11 of the frame, a column 13, an upper beam 16, a lower beam 17 and a rotary device 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, foot-operated 3, chain dish 4, wheel 5, handlebar 6, after poppet 7, Hooke's universal joint 19, seat cushion 1 is contained on the seat pillar 2, and its structure also comprises manages 11, pillar 13, goes up bundle 16, bundle 17 and slewing arrangement 20 down in drawbar 8, bilateral pipe 12, reinforcement pipe 9, down tube 10, the vehicle frame; Hooke's universal joint 19 is contained in an end of drawbar 8; The other end of drawbar 8 is welded on the bilateral pipe 12; Seat pillar 2 is inserted in by bilateral pipe 12 manages in 11 in the vehicle frame; Upper and lower bundle 16,17 is contained in the both sides of bilateral pipe 12; One end of handlebar 6 and down tube 10 is welded in the upper and lower of drawbar 8 respectively; The other end of down tube 10 is connected by slewing arrangement 20 with an end of pillar 13; Pipe 11 all is connected on the chain dish 4 in the other end of pillar 13 and the vehicle frame; Reinforcement pipe 9 is welded between drawbar 8 and the down tube 10.

Bicycle use folding towed vehicle, slewing arrangement 20 is made up of outer tube 14,15 and wear washer 18; Two outer tubes 15 are welded on the down tube 10; Outer tube 14 is welded on the pillar 13, and is contained on the down tube 10, between two outer tubes 15; Be separated with wear washer 18 between the outer tube 14,15.

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 running condition figure of the present utility model.

A kind of bicycle use folding towed vehicle, form by seat cushion 1, seat pillar 2, foot-operated 3, chain dish 4, wheel 5, handlebar 6, after poppet 7, Hooke's universal joint 19, seat cushion 1 is contained on the seat pillar 2, Hooke's universal joint 19 direct connections are on the seat pillar of bicycle, thereby towed vehicle and bicycle are connected as a single entity, and have high hardness, 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 manages 11, pillar 13, goes up bundle 16, bundle 17 and slewing arrangement 20 down in drawbar 8, bilateral pipe 12, reinforcement pipe 9, down tube 10, the vehicle frame; Drawbar 8 is the part of the force, adopts the steel of intensity height, good toughness, has specific radian; Hooke's universal joint 19 is contained in an end of drawbar 8; The other end of drawbar 8 is welded on the bilateral pipe 12; Seat pillar 2 is inserted in by bilateral pipe 12 manages in 11 in the vehicle frame; Upper and lower bundle 16,17 is contained in the both sides of bilateral pipe 12; One end of handlebar 6 and down tube 10 is welded in the upper and lower of drawbar 8 respectively; The other end of down tube 10 is connected by slewing arrangement 20 with an end of pillar 13, and pillar 13 can rotate around down tube 10; Pipe 11 all is connected on the chain dish 4 in the other end of pillar 13 and the vehicle frame; Reinforcement pipe 9 is welded between drawbar 8 and the down tube 10.When launching, pipe 11 in bilateral pipe 12 and the vehicle frame closed up align, will seat pillar 2 insert in bilateral pipes 12 and the vehicle frame in the pipe 11, and upper and lower bundle sub 16,17 locked get final product.When folding, unclamp Shu Zi 16,17 up and down, unload seat pillar 2, the vehicle frame front portion is got final product to wheel direction Rotate 180 degree.

Bicycle use folding towed vehicle, slewing arrangement 20 is made up of outer tube 14,15 and wear washer 18; Two outer tubes 15 are welded on the down tube 10; Outer tube 14 is welded on the pillar 13, and is contained on the down tube 10, between two outer tubes 15; Be separated with wear washer 18 between the outer tube 14,15.

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 (2)

1, a kind of bicycle use folding towed vehicle, form by seat cushion (1), seat pillar (2), foot-operated (3), chain dish (4), wheel (5), handlebar (6), after poppet (7), Hooke's universal joint (19), seat cushion (1) is contained on the seat pillar (2), it is characterized in that: its structure also comprises pipe (11), pillar (13) in drawbar (8), bilateral pipe (12), reinforcement pipe (9), down tube (10), the vehicle frame, goes up Shu Zi (16), following Shu Zi (17) and slewing arrangement (20); Hooke's universal joint (19) is contained in an end of drawbar (8); The other end of drawbar (8) is welded on the bilateral pipe (12); Seat pillar (2) is inserted in by bilateral pipe (12) manages in (11) in the vehicle frame; Upper and lower Shu Zi (16), (17) are contained in the both sides of bilateral pipe (12); One end of handlebar (6) and down tube (10) is welded in the upper and lower of drawbar (8) respectively; The other end of down tube (10) is connected by slewing arrangement (20) with an end of pillar (13); Pipe (11) all is connected on the chain dish (4) in the other end of pillar (13) and the vehicle frame; Reinforcement pipe (9) is welded between drawbar (8) and the down tube (10).

2, bicycle use folding towed vehicle according to claim 1 is characterized in that slewing arrangement (20) is made up of outer tube (14), (15) and wear washer (18); Two outer tubes (15) are welded on the down tube (10); Outer tube (14) is welded on the pillar (13), and is contained on the down tube (10), is positioned between two outer tubes (15); Be separated with wear washer (18) between outer tube (14), (15).

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