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Two-player foldable bicycle

A folding bicycle and two-person technology, applied to foldable bicycles, two-wheeled bicycles, bicycles, etc., can solve the problems of complex structure, inconvenient portability, and large size, and achieve simple frame structure, convenient folding, and large length Effect

Inactive Publication Date: 2010-08-04
吴阿伦
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] A tandem bicycle is a very good entertainment tool, but the tandem bicycles on the market cannot be folded, so they are too bulky to carry when going out, which limits their use
Chinese patent 02250542.3 discloses a folding tandem bicycle, which is foldable, but its structure is too complicated

Method used

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  • Two-player foldable bicycle
  • Two-player foldable bicycle
  • Two-player foldable bicycle

Examples

Experimental program
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Embodiment Construction

[0011] Such as figure 1 As shown, the present embodiment includes a vehicle frame, a front wheel 3, a rear wheel 31 and a transmission mechanism. Fork 2, front handlebar 1 and front beam 4, front wheel 3 are installed on the front fork 2, and front handlebar 1 is the foldable front handlebar that left and right handlebars can be folded down, and it adopts existing mature structure, and front handlebar The connections between the parts of the frame are existing mature technologies, so they are not repeated here; the middle frame includes a front riser 9, a front seat riser 10, a front saddle 11, a rear handlebar seat 13, Handlebar 12, main beam 15, Y-shaped support 18, Y-shaped frame seat 19, support 16, the front seat riser 10 is fixed on the front riser 9, the front saddle 11 is fixed on the front seat riser 10, and the rear handlebar seat The lower end of 13 is welded on the front riser 9, the lower end of the rear handlebar 12 is enclosed within the rear handlebar seat 13 ...

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Abstract

The invention relates to a tandem folding bicycle, comprising a frame, two wheels and a transmission mechanism; wherein, the frame comprises three main folding sections which are a front frame, a middle frame, and a back frame; the front frame is connected with the middle frame through a folding button, and the front frame can be folded backward; the middle frame is connected with the back frame through a rotating shaft, and the back frame can be folded through rotating forward. The frame structure of the tandem folding bicycle has the advantages of simple structure, convenient folding and small area after being folded but great length after being unfolded.

Description

technical field [0001] The invention relates to a double folding bicycle. Background technique [0002] A tandem bicycle is a very good entertainment tool, but the tandem bicycles on the market cannot be folded, so the volume is too large to be carried when going out, which limits its use. Chinese patent 02250542.3 discloses a kind of folding tandem bicycle, and this bicycle is foldable, but its structure is too complicated. Contents of the invention [0003] The object of the present invention is to solve the above-mentioned problems existing in the existing tandem bicycles, and provide a tandem folding bicycle with simple structure and convenient folding and use. [0004] The purpose of the present invention is achieved like this: the present invention comprises vehicle frame, wheel, transmission mechanism, and described transmission mechanism comprises front chainring, front crank, front pedal, front chain, rear chainring, rear crank, rear pedal, After the large chain...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62K3/12B62K15/00
Inventor 吴阿伦
Owner 吴阿伦
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