CN201045062Y

CN201045062Y - Extensible bicycle main girder apparatus

Info

Publication number: CN201045062Y
Application number: CNU2007200935762U
Authority: CN
Inventors: 吕彦民
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-04-19
Filing date: 2007-04-19
Publication date: 2008-04-09
Anticipated expiration: 2017-04-19

Abstract

The utility model discloses a main part applied to bicycles, specifically a flexible main beam device of bicycles. The main beam device comprises a main beam, a front fork locating pipe, a sliding main part, a seat locating pipe, a rear flat fork connecting pipe and a shock absorption connecting angle, wherein the front fork locating pipe is equipped at one end of the main beam, the sliding main part is sleeved on the main beam and capable of free sliding on the main beam, the seat locating pipe is arranged on one side of the main part, the rear flat fork connecting pipe is positioned at lower end of the sliding main part, the other lower end of the sliding main part is arranged with the shock absorption connecting angle. The utility model has the advantages of simple and reasonable structure, small complete bicycle, light weight, flexibility, and convenience to take along and store after extension and the like, which is an ideal equipment for people to do sports and body-building, travel and entertain.

Description

Extension bicycle girder device

Technical field

The utility model discloses the major part of using on a kind of bicycle, a kind of specifically extension bicycle girder device.

Background technology

Bicycle is used for many years by people as the vehicle that a kind of people use always, China as the big country of bicycle production per capita the owning amount of bicycle account for first place, the world, progress along with expanding economy and science and technology, bicycle not only has been the instrument that people ride instead of walk, but also can be used as the outdoor sports of people, body-building, the instrument of travelling and amusement, the kind of bicycle in the market is a lot, except the bicycle of conventional confguration, also occurred convenient, flexible, deposit Folding Bicycle easily, but also there are many shortcoming and defect in the structure of these bicycles on certain degree, be in particular in: 1. the bicycle volume of conventional confguration is big, complete vehicle weight is big, is not easy to carry and deposit; 2. the car overall dimensions after the employing circular beam that occurs on market bicycle flexible or accordion structure is flexible is big, the flexible effect that out of reach is desirable, big, the Heavy Weight of volume comparatively speaking.

Summary of the invention

The purpose of this utility model is to provide a kind of simple and reasonable, and the girder of bicycle and vehicle seat can stretch simultaneously, little, in light weight, convenient, flexible, the easy to carry and store extension bicycle girder device of overall dimensions of flexible back bicycle.

The purpose of this utility model is to realize like this, this girder device comprises girder, front fork registration arm, slip main part, vehicle seat registration arm, back chain stay connection pipe, damping joint angle, described front fork registration arm is arranged on girder one end, the slip main part is sleeved on the girder, and can on girder, be free to slide, the vehicle seat registration arm is arranged on a side of slip main part, and back chain stay connection pipe is arranged on a following end of slip main part, and the other end is provided with the damping joint angle below the slip main part.

Described main beam section adopts " day " font rhs-structure, and the upper end of slip main part has the clamping keyed end.

The utility model is owing to adopt said structure, the bicycle structure of feasible this extension bicycle girder device of employing is advantages of simple more, bicycle girder and vehicle seat owing to this kind structure can stretch simultaneously simultaneously, the overall dimensions of flexible back bicycle is little, in light weight, convenient, flexible, easy to carry and store, be the ideal tools of people's motion, body-building, travelling and amusement and recreation.

Description of drawings

Fig. 1 is an extension bicycle girder device integral structure scheme drawing.

Fig. 2 is the utility model main beam structure scheme drawing.

Fig. 3 is the utility model slip main part structural representation.

Fig. 4,5 is applied to running condition reference diagram on the bicycle for the utility model.

The specific embodiment

Shown in Fig. 1,2,3, this bicycle girder device comprises girder 1, front fork registration arm 2, slip main part 3, vehicle seat registration arm 4, back chain stay connection pipe 5, damping joint angle 6, described front fork registration arm 2 is arranged on girder 1 one ends, slip main part 3 is sleeved on the girder 1, and can on girder 1, be free to slide, vehicle seat registration arm 4 is arranged on a side of slip main part 3, back chain stay connection pipe 5 is arranged on a following end of slip main part 3, and the other end is provided with damping joint angle 6 below slip main part 3.

Described girder 1 section adopts " day " font rhs-structure, and the upper end of slip main part 3 has clamping keyed end 7.

1., opening procedure during use: at first open the clamping keyed end 7 of slip main part 3 upper ends, make slip main part 3 slide and draw back vehicle body, simultaneously closed clip is tightly locked end 7 along girder 1; Press locking press button and turn up preceding upright, open a seat pipe quick detach end, pull out a pipe, adjust height, open the foot-operated opening procedure (as shown in Figure 4) of promptly finishing.2. turn up process: according to step 1. in opposite step just can realize (as shown in Figure 5).

Claims

1. extension bicycle girder device, it is characterized in that: this girder device comprises girder (1), front fork registration arm (2), slip main part (3), vehicle seat registration arm (4), back chain stay connection pipe (5), damping joint angle (6), described front fork registration arm (2) is arranged on an end of girder (1), slip main part (3) is sleeved on the girder (1), and can on girder (1), be free to slide, vehicle seat registration arm (4) is arranged on a side of slip main part (3), back chain stay connection pipe (5) is arranged on a following end of slip main part (3), and the other end is provided with damping joint angle (6) below slip main part (3).

2. a kind of extension bicycle girder device according to claim 1 is characterized in that: described girder (1) section adopts " day " font rhs-structure, and the upper end of slip main part (3) has clamping keyed end (7).