6-inch portable folding bicycle

Abstract

The invention discloses a 6-inch portable folding bicycle. The 6-inch portable folding bicycle comprises a connecting rod mechanism, a seat tube, a saddle, a rear fork, a bicycle body front framework, a front fork, handlebars, a front wheel, a rear wheel and a driving mechanism, and is characterized in that: the connecting rod mechanism is a fourfold connecting rod which consists of a main folding box, a front folding piece, a connecting rod and the seat tube, and is provided with a five-way tube, a semicircular locking shaft, a locking shaft handle, a safety fastener and a backer; the five-way tube is used as a shaft between the main folding box and the front folding piece; a middle shaft is arranged in the five-way tube; the bicycle body front framework is connected with the front folding piece; the rear fork is connected with the main folding box; the front fork is rotatably connected with a front head tube; the handlebars comprise a V-shaped folding handlebar and a folding handlebar vertical tube; the folding handlebar vertical tube is connected with the front fork; the V-shaped folding handlebar is arranged on the folding handlebar vertical tube; the diameters of the front wheel and the rear wheel are 6 inches; the front wheel is arranged on the front fork; the rear wheel is arranged on the rear fork; the rear wheel is connected with a small chain wheel; the rear part of the saddle is provided with an opening; and the driving mechanism comprises a middle shaft, two cranks, two pedals, a front-stage chain wheel, a front-stage passive chain wheel, a flywheel, a front-stage chain and a rear-stage chain.

Description

Technical field: [0001] The invention relates to a foldable bicycle, in particular to a 6-inch foldable portable bicycle with a small wheel diameter that can be folded very small and can be put into a bag after being folded. Background technique: [0002] At present, there are very few bicycles that can be folded very small in the market. At present, Abike is recognized as the smallest foldable bicycle in the world, but the Abike bicycle is actually not very small after folding, and the folding is cumbersome and time-consuming. There is also Abike The folding joints are all made of plastic, which is often questioned in terms of strength and safety. Invention content: [0003] The purpose of the present invention is to provide a 6-inch folding portable bicycle that can be folded smaller, has a fast folding speed, and has strength and safety performances that meet the requirements of ordinary folding bicycles. The object of the present invention is achieved like this, 6 inc...

AI Technical Summary

Problems solved by technology

[0002] At present, there are very few bicycles that can be folded very small in the market. At present, Abike is recognized as the smallest foldable bicycle in the world, but the Abike bicycle is actually not very small after folding, and the folding is cumbersome and time-consuming. There is also Abike The folded joints are all made of plastic, which is often questioned for the strength and safety of use

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