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Inflating method of packing box self-sealing valve for packing box

A packaging box and valve technology, applied in the direction of pressurization/gasification packaging, etc., can solve the problem of slow air leakage at the inflation port of the packaging box, and achieve the effects of short manufacturing cycle, simple solution, and air tightness requirements.

Inactive Publication Date: 2018-06-12
BEIJING INST OF SPECIALIZED MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of slow air leakage at the filling port of the packaging box, and provide a method for inflating the packaging box with the self-sealing valve of the packaging box

Method used

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  • Inflating method of packing box self-sealing valve for packing box
  • Inflating method of packing box self-sealing valve for packing box
  • Inflating method of packing box self-sealing valve for packing box

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Embodiment Construction

[0037] In order to make the purpose, content, and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0038] Such as figure 1 As shown, the packaging box self-sealing valve of the present invention is used to inflate a packaging box, wherein the packaging box self-sealing valve is composed of a valve seat 1, a valve 2, a screw plug 3, and a sealing ring 4. The self-sealing valve of the packing box is welded on the wall of the packing box; the packing box can be inflated by unscrewing the valve 2, and the packing box can be kept self-sealing by tightening the valve 2.

[0039] Such as figure 2 , image 3 Shown, the valve seat 1 is generally a T-shaped cylindrical structure, the left side is two cylinders with different diameters, the middle is a cylinder, and the right end is a circular platform (i.e. a truncated con...

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Abstract

The invention relates to an inflating method of a packing box self-sealing valve for a packing box, and relates to the technical field of aircraft technical support. The scheme of the inflating methodis simple, low in cost and short in manufacturing cycle. Only sealing by line, the problem of slow air leakage existed in the packing box sealed with thread seal is solved. After validating by a test, the problem of the slow air leakage in the packing box is greatly solved, and the tightness requirement of the packing box is realized.

Description

technical field [0001] The invention relates to the technical field of aircraft technical support, in particular to a method for inflating a packing box with a self-sealing valve of the packing box. Background technique [0002] When the packaging box is stored in the technical position, a certain pressure of dry gas is filled into the box, and a certain pressure is maintained to prevent external humid air from entering the packaging box. It has airtight ability and provides a good storage environment for the equipment in the box. . At present, the air filling port of the packaging box uses a threaded form, that is, the air filling hole is sealed with ordinary bolts, and there is a slow air leakage phenomenon at the air filling port. This sealing method cannot meet the airtightness requirements of the packaging box. [0003] Therefore need to design a kind of packaging box self-sealing valve to the inflation method of packaging box, solve the problem of slow air leakage at ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65B31/08
Inventor 吕繁成
Owner BEIJING INST OF SPECIALIZED MACHINERY
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