CN2315027Y

CN2315027Y - Foldable tailer for bicycle

Info

Publication number: CN2315027Y
Application number: CN 98200163
Authority: CN
Inventors: 陈昆山; 陈文武
Original assignee: BAOAN BICYCLE Co Ltd SHENZHEN
Current assignee: BAOAN BICYCLE Co Ltd SHENZHEN
Priority date: 1998-01-12
Filing date: 1998-01-12
Publication date: 1999-04-21
Anticipated expiration: 2008-01-12

Abstract

The utility model relates to a folding trailer for bicycle composed of a seat cushion 1, a seat cushion column 2, a chain disc 3, pedals, 4, wheels 5, a bicycle handlebar 6, a rear support frame 7 and a universal joint 9; the structure also comprises a draw rod 8, a draw rod column 11, an upper tube 9 of a frame, a lower tube 10 of the frame, a rotary device 18 and an internal thread sleeve tube 14. 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, handlebar 6, after poppet 7, Hooke's universal joint 19, seat cushion 1 is contained on the seat pillar 2, seat pillar 2 is inserted in the after poppet 7, chain dish 3 links together by after poppet 7 with wheel 5, and its structure also comprises drawbar 8, drawbar post 11, top tube 9, down tube 10, slewing arrangement 18 and negative thread sleeve pipe 14; Hooke's universal joint 19 is contained in an end of drawbar 8; One end of the other end of drawbar 8 and top tube 9 is in the same place by negative thread sleeve pipe 14 turn-knobs; The other end of top tube 9 is welded on the after poppet 7; Handlebar 6 and drawbar post 11 are welded in the upper and lower of drawbar 8 respectively; Drawbar post 11 connects together by slewing arrangement 18 with an end of vehicle frame lower beam 10; The other end of down tube 10 and chain dish 3 connect together.

Bicycle use folding towed vehicle, slewing arrangement 18 is made up of

outer tube

15,16 and wear washer 20; Two outer tubes 16 are welded on the drawbar post 11; Outer tube 15 is welded on the down tube 10, and is contained on the drawbar post 11, between two outer tubes 16; Be separated with wear washer 20 between the

outer tube

15,16.

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, by seat cushion 1, seat pillar 2, chain dish 3, foot-operated 4, wheel 5, handlebar 6, after poppet 7, Hooke's universal joint 19 is formed, seat cushion 1 is contained on the seat pillar 2, seat pillar 2 is inserted in the after poppet 7, chain dish 3 links together by after poppet 7 with wheel 5, 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 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, drawbar post 11, top tube 9, down tube 10, slewing arrangement 18 and negative thread sleeve pipe 14; 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; One end of the other end of drawbar 8 and top tube 9 is in the same place by negative thread sleeve pipe 14 turn-knobs; The other end of top tube 9 is welded on the after poppet 7; Handlebar 6 and drawbar post 11 are welded in the upper and lower of drawbar 8 respectively; Drawbar post 11 connects together by slewing arrangement 18 with an end of down tube 10, and down tube 10 can rotate around drawbar post 11; The other end of down tube 10 and chain dish 3 connect together.When launching, drawbar 8 and top tube 9 are fitted together by negative thread sleeve pipe 14.When folding, negative thread sleeve pipe 14 is spun down, be the axle center with drawbar post 11, the direction Rotate 180 degree of drawbar 8 to seat cushion 1 got final product.

Bicycle use folding towed vehicle, slewing arrangement 18 is made up of

outer tube

15,16.

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

Claims

1, a kind of bicycle use folding towed vehicle, form by seat cushion (1), seat pillar (2), chain dish (3), foot-operated (4), wheel (5), handlebar (6), after poppet (7), Hooke's universal joint (19), seat cushion (1) is contained on the seat pillar (2), seat pillar (2) is inserted in the after poppet (7), chain dish (3) links together by after poppet (7) with wheel (5), and it is characterized in that: its structure also comprises drawbar (8), drawbar post (11), top tube (9), down tube (10), slewing arrangement (18) and negative thread sleeve pipe (14); Hooke's universal joint (19) is contained in an end of drawbar (8); The other end of drawbar (8) and top tube (9) one ends are by being in the same place with negative thread sleeve pipe (14) turn-knob; Top tube (9) other end is welded on the after poppet (7); Handlebar (6) and drawbar post (11) are welded in the upper and lower of drawbar (8) respectively; Drawbar post (11) connects together by slewing arrangement (18) with an end of vehicle frame lower beam (10); The other end of down tube (10) and chain dish (3) connect together.

2, bicycle use folding towed vehicle according to claim 1 is characterized in that slewing arrangement (18) is made up of outer tube (15), (16) and wear washer (20); Two outer tubes (16) are welded on the drawbar post (11); Outer tube (15) is welded on the down tube (10), and is contained on the drawbar post (11), is positioned between two outer tubes (16); Be separated with wear washer (20) between outer tube (15), (16).