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Telescopic handlebar bottom bracket shaft towable portable bicycle

A five-way pipe and bicycle technology, applied to foldable bicycles, bicycles, motor vehicles, etc., can solve the problem that it is impossible to put it in a backpack, and achieve the effect of simple linkage structure and simple folding

Active Publication Date: 2019-02-22
升励五金(深圳)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] There are several folding bicycles on the market. Although there are folding bicycles with fast folding speed, due to structural and structural reasons, it is impossible to achieve the satisfaction of putting them in a backpack after folding.

Method used

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  • Telescopic handlebar bottom bracket shaft towable portable bicycle
  • Telescopic handlebar bottom bracket shaft towable portable bicycle
  • Telescopic handlebar bottom bracket shaft towable portable bicycle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] according to figure 1 , the telescopic handle five-way pipe shaft can be towed portable bicycle, including telescopic handle 1, front fork lever 2, front frame 3, middle beam 4, middle connecting member 51, dragging wheel 52, rear fork 53 , vehicle seat 6, front wheel 71, rear wheel 72 and driving mechanism 8;

[0013]The telescopic handle 1 includes a left handle 11, a right handle 12, an upper lock 13, a lower lock 14 and a handle 15, and the left handle 11 and the right handle 12 are made of the upper end of a circular tube. It is bent at a right angle, and the outer sides of the left handle 11 and the right handle 12 are respectively opened with a threaded hole, and the threaded holes of the left handle 11 and the right handle 12 correspond to the locking parts respectively. 13 The bottom side of the upper clip is respectively screwed into the threaded holes on the outside of the right-angled bends of the left-hand handle 11 and the right-hand handle 12 with two bo...

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PUM

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Abstract

A draggable type portable bicycle provided with a telescopic handle and a bottom bracket serving as a rotating shaft comprises the telescopic rotating handle, a front fork lever, a front frame, a middle beam, a middle connecting component, a dragging wheel assembly, a rear fork part, a saddle, a front wheel, a rear wheel and a driving mechanism, wherein the telescopic rotating handle is connected with the front fork lever and the front frame and comprises a left handle, a right handle, an upper locking part, a lower locking part and a pull handle; the front frame comprises a rotating component and a front connecting component; the middle beam is formed by connecting a beam tube, a front inner brake shoe, a rear inner brake shoe, a front slotware and a rear slotware; the middle connecting component is formed by connecting a main connecting part, a suspension block and a positioning lock; the rear fork part is formed by connecting the bottom bracket, two bottom bracket connecting parts, a suspension block piece and two rear fork pieces; the saddle is formed by a seat tube, a locking joint part, a connecting rod, a saddle body and a foldable positioning hook; the front wheel is mounted on a front axle, the rear wheel is mounted on the rear fork part, and the driving mechanism comprises a center shaft, two cranks, a crankset, two pedals, a flywheel and a chain and is connected to the bottom bracket and the rear wheel.

Description

technical field [0001] The invention relates to a foldable portable bicycle, in particular to a towable portable bicycle with a five-way pipe as a rotating shaft with a telescopic handle. Background technique [0002] There are several folding bicycles on the market at present, although there are folding bicycles with fast folding speed, due to reasons such as structure and structure, it is impossible to reach the satisfaction level of being put into a backpack after folding. Contents of the invention [0003] The purpose of the present invention is to provide a new type of folding method for the handlebar with telescopic handlebar. The folding of the rear fork and the middle connecting member is to fold forward and downward with the bottom bracket as the rotating shaft, and the folding of the seat is the same as that of the front frame. The linkage method can be put into a backpack after folding——a portable bicycle with a telescopic bottom bracket and a rotating shaft tha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62K15/00
CPCB62K15/008B62K2015/005
Inventor 庞明方
Owner 升励五金(深圳)有限公司
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