Folding box for stem and vertical beam of bicycle

A technology of folding boxes and bicycles, which is applied in the field of folding boxes and can solve complex and unsafe problems

Inactive Publication Date: 2011-09-07
欧阳文秀
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Currently known folding boxes are varied, but all of them are unsafe and complicated.

Method used

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  • Folding box for stem and vertical beam of bicycle

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach

[0009] Specific implementation method: When disassembling, lift the round pipe up to the top of the long mouth, pull it back, and the upper screw will come out from the horizontal opening. At this time, the bottom screw of the pipe will go down to the bottom of the channel steel long mouth. When installing Push the screws on the upper side of the steel pipe into the horizontal opening on the upper side of the channel steel. At this time, the pipe will automatically fall to the bottom, so that the folding is completed.

[0010] The speed of the afterburner has been changed in the basin, and an additional shaft can be added for speed.

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Abstract

The invention discloses a folding box for a stem and a vertical beam of a bicycle. A round tube is arranged in channel steel, the bottom of a vertical opening of the channel steel and a round hole at the height of 10mm of the round tube are provided with a long screw, and a vertical opening at 40mm of the channel steel and a round hole at the height of 40mm of the round tube are provided with a long screw; during assembly and disassembly, the round tube is lifted upwards to the top of the long opening, and is pulled backwards, and the upper screw on the round tube is separated from a transverse opening; meanwhile, the screw on the bottom of the tube descends to the bottom of the long opening of the channel steel; during installation, the upper screw of the steel tube is pushed into the upper transverse opening of the channel steel, and the tube can automatically fall to the bottom; therefore, folding is realized.

Description

[0001] required technical field [0002] The invention relates to a folding box for a bicycle stem and a vertical beam. Background technique [0003] Currently known folding boxes are of various kinds, but all of them are unsafe and complicated. Contents of the invention [0004] The present invention is to make a simple and safe dual-purpose folding box. A 300mm×300mm channel steel is cut into a length of about 80mm, and a 300mm×300mm steel plate is welded at the bottom, and then 10mm-25mm and 40mm above the bottom of the channel steel Drill a long vertical hole at -60mm each, and then make a transverse cut on the edge of the 60mm channel steel, and then drill an 8mm round hole at 10mm and 40mm above the bottom of a 28.6mm round tube, and put the round tube into the slot In the steel, use a 45mm long screw to penetrate into the channel steel and the round pipe, and install the quick-break nut. Then, install a pipe collar on the top of the steel pipe in order to install th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62K21/22
Inventor 欧阳文秀
Owner 欧阳文秀
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