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portable folding tricycle

A tricycle, portable technology, applied to foldable bicycles, motor vehicles, bicycles, etc., can solve the problems of large size, difficult to carry, inconvenient to use, and the tricycle does not have the function of folding, and achieves simple structure, easy folding and folding, Use good effect

Inactive Publication Date: 2019-04-16
张学田
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the tricycles sold in the market do not have the function of folding, such as going out for a trip or going home and upstairs, because of their large size, they are not easy to carry, and it is inconvenient to use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] Figure 1-2 Front frame 4 front end shown in is provided with front handlebar, and front handlebar is made up of left handlebar, right handlebar and middle handlebar, and the right end of left handlebar 1 is provided with left handlebar connecting pipe 10, and right handlebar The left end of 3 is provided with right handlebar connecting pipe 12, and left and right handlebar connecting pipes are respectively connected and installed in the left and right ends of middle handlebar 2 by pin 11, and left handlebar is provided with left handlebar fixing sleeve 9, and right handlebar The right handlebar fixing sleeve 13 is arranged on the top, the rear side of the front frame is provided with a rear frame 7, the rear end of the front frame is provided with an upper connecting pipe 6, and the front end of the rear frame is provided with a lower connecting pipe 8, up and down The middle part of connecting pipe is installed and connected as a whole by pivot pin, and the outside of...

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PUM

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Abstract

The invention discloses a portable folding tricycle, which is characterized in that handlebars are arranged at the front end of a front tricycle frame; the right end of the left handlebar is provided with a left handlebar connecting pipe; the left end of the right handlebar is provided with a right handlebar connecting pipe; the left and right handlebar connecting pipes are respectively connected by pins to be arranged at the left end and the right end of a middle handlebar; a rear tricycle frame is arranged at the rear side of the front tricycle frame; a center support frame is arranged at the upper side of the rear tricycle frame; the front end of the front tricycle frame is provided with a front wheel; a left rear wheel and a right rear wheel are arranged at the rear end of the rear tricycle frame; the rear end of the center support frame is provided with a left rear beam and a right rear beam; the rear ends of the left rear beam and the right rear beam are provided with a driving shaft; a triangle belt transmission wheel is arranged in the middle part of the driving shaft; during the folding, fixing sleeve pipes on the left and right handlebars are released from the connecting pipes; the handlebars can be backwards folded into parallel double handles; locking screw bolts are unscrewed; a left outer-hexagonal connecting head and a right outer-hexagonal connecting head are pulled out, and the front support frame can be backwards folded; the front wheel and the rear wheels can be merged.

Description

technical field [0001] The invention relates to a walking-replacing tricycle, specifically a portable and foldable tricycle. Background technique [0002] The tricycles sold on the market do not have the function of folding at present, and it is inconvenient to use because of its large volume and not easy to carry as going on a trip or going upstairs. Contents of the invention [0003] The purpose of the present invention is to provide a foldable tricycle. The tricycle can be folded and stored. When traveling, the tricycle can be folded and put into the trunk of a car. It does not occupy too much space when going up and down stairs, and is easy to carry. [0004] The scheme of the present invention includes left and right handlebars, front and rear brackets and drive shafts. Its structural feature is that a front handlebar is provided at the front end of the front frame. The right end of the handlebar is provided with a left handlebar connecting pipe, and the left end of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62K15/00
CPCB62K15/008
Inventor 张学田
Owner 张学田
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