CN2690270Y

CN2690270Y - Front driving bicycle

Info

Publication number: CN2690270Y
Application number: CNU2004200301903U
Authority: CN
Inventors: 黄显峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-01-19
Filing date: 2004-01-19
Publication date: 2005-04-06
Anticipated expiration: 2014-01-19

Abstract

A front driving bicycle relates to an improve of the bicycle structure, and the utility model provides a front driving bicycle with simple structure in order to solve the problem of the complicated structure of existing bicycle. The front driving bicycle comprises a bicycle frame (4), and the bicycle frame (4) is respectively provided with a saddle (2) and a bicycle handle (7). The utility model is characterized in that the back axis (3) of the bicycle frame (4) is provided with a back vehicle wheel (1), the front fork (8) and the semi bearing casing (12) of the bicycle frame (4) are fixed on the bearing (13) of the front axis (9), and the vehicle bars (10) of the front vehicle wheel are fixed on the shaft sleeve (16) of the front axis (9). The shaft sleeve (16) at the two sides of the vehicle bars (10) is respectively provided with a free wheel (17) and a brake box (15), a corresponding free wheel case body (18) is fixed on the front axis (9) out of the free wheel (17), the front fork (8) out of the brake box (15) is provided with a band brake rubber (14), and the two ends of the front axis (9) are respectively provided with a rocking arm (6) of the pedal (5).

Description

The bicycle of before driving

Technical field:

The utility model relates to the improvement of bicycle structure.

Background technology:

Bicycle in the tradition is to drive the trailing wheel operation by the wheel disc on the axis, chain.But its shortcoming is a complex structure, and chain is easy to wear, chain cover is fragile, and this all brings a little inconvenience to the user.

The utility model content:

The utility model solves present bicycle structure complicated problems exactly, and a kind of bicycle of before driving simple in structure is provided.

The utility model adopts following technical scheme: the utility model comprises vehicle frame, have saddle, handlebar on the vehicle frame respectively, its structural feature is that the rear axle of vehicle frame is provided with rear wheel, the front fork of vehicle frame is fixed on the bearing of front axle with the partial bearing box, the spoke of front vehicle wheel is fixed on the axle sleeve of front axle, be respectively arranged with flywheel, fuse-box on the axle sleeve of the both sides of spoke, flywheel has outward to be fixed on the front axle on the outer front fork of corresponding flywheel box body, fuse-box and has the band-type brake skin, and the two ends of front axle are respectively arranged with the rocking arm of pedal.

The beneficial effects of the utility model:

The utility model front axle is provided with rocking arm, fuse-box, the flywheel of pedal, just make before driving of the present utility model replace existing bicycle driving mechanism fully, and saved the wheel disc on the axis, chain etc., it is greatly simple, compact to make it structure, and has prolonged bicycle service life.

In addition,, just can shorten the distance between front axle, the rear axle, this car body is amassed reduce, and the rider feel comfortably cool because the utility model has saved wheel disc, chain.

Description of drawings:

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

Fig. 2 is the A-A cutaway view of Fig. 1.

The specific embodiment:

The utility model comprises vehicle frame 4, have saddle 2, handlebar 7 on the vehicle frame 4 respectively, the rear axle 3 of vehicle frame 4 is provided with rear wheel 1, the front fork 8 of vehicle frame 4 is fixed on the bearing 13 of front axle 9 with partial bearing box 12, the spoke 10 of front vehicle wheel 11 is fixed on the axle sleeve 16 of front axle 9, be respectively arranged with flywheel 17, fuse-box 15 on the axle sleeve 16 of the both sides of spoke 10, flywheel 17 is outer to have to be fixed on the outer front fork 8 of corresponding flywheel box body 18 on the front axle 9, fuse-box 15 and has band-type brake skin 14, and the two ends of front axle 9 are respectively arranged with the rocking arm 6 of pedal 5.

Saddle 2 is the saddle 2 of adjustable backrest; Saddle 2 with adjustable backrest feels comfortably cool the personnel of driving especially.

An accompanying drawings course of action of the present utility model:

During the operation of this bicycle: by pedal 5, rocking arm 6 front axle 9 is rotated, just drive flywheel box body 18 and rotate, the front vehicle wheel 11 on flywheel 17, the axle sleeve 16 rotates thereupon, i.e. this bicycle operation;

During brake: the front vehicle wheel of holding tightly on fuse-box 15, the axle sleeve 16 by band-type brake skin 14 11 no longer is driven, and promptly this car is out of service;

When not having external force to drive, bicycle can also be by flywheel 17 effects, by the inertia operation.

Claims

1. the bicycle of before driving comprises vehicle frame (4), has saddle (2) on the vehicle frame (4) respectively, handlebar (7), the rear axle (3) that it is characterized in that vehicle frame (4) is provided with rear wheel (1), the front fork (8) of vehicle frame (4) is fixed on the bearing (13) of front axle (9) with partial bearing box (12), the spoke (10) of front vehicle wheel (11) is fixed on the axle sleeve (16) of front axle (9), be respectively arranged with flywheel (17) on the axle sleeve (16) of the both sides of spoke (10), fuse-box (15), have the front axle of being fixed in (9) outside the flywheel (17) and go up corresponding flywheel box body (18), have band-type brake skin (14) on the front fork (8) outside the fuse-box (15), the two ends of front axle (9) are respectively arranged with the rocking arm (6) of pedal (5).