Anti-theft backpack design

Abstract

The invention provides anti-theft backpack design. The anti-theft backpack design adopts a linkage device combing zippers with straps, and is characterized in that zipper teeth, a knapsack, the upperstraps, the lower straps, concave zipper pulls, pull heads, an auxiliary strap, a buckle, a backpack pocket and a knapsack inner side are included; the zipper teeth are longitudinally distributed on the front part of the knapsack; an upper stop is located in a knapsack top bin, and a lower stop is located below the zipper teeth; the two upper straps are connected with concave plastic objects in asewn mode correspondingly; and the concave zipper pulls are connected with the pull heads in an embedded mode. According to an assembly, the zipper pulls can be linked with the pull heads by pulling the straps, and thus the zipper teeth are released or combined; pulling is stopped when the straps are pulled to the upper stop, and the zippers are closed; at the moment, the straps are located in a knapsack upper bin, and when a person carries a backpack, the zippers cannot be released through the force bearing direction of shoulders; when a thief pulls the zippers, the straps are in linkage, thebag-packer must be noticed, and thus security theft prevention is achieved; and when the zippers are pulled open by the bag-packer, the very convenient effect is achieved, and other functions which the backpack should have are not influenced.

Description

technical field [0001] The invention relates to a design of an anti-theft backpack, which is a device that combines a zipper and a strap to realize an anti-theft function. Background technique [0002] In daily life, the frequency of people going out with their backpacks is not low, and in crowded places, because the backpacks are not in the sight of people, people often worry that the zipper on the back will be pulled open and they pull the backpacks to the front from time to time to check, or Directly carrying the backpack on the front will bring a lot of inconvenience to the people who go out. And existing anti-theft knapsack has also caused the problem that user self opens the knapsack mode loaded down with trivial details when guarding against thief. Therefore, it is necessary to change the structure of the knapsack so that the knapsack is convenient for people to use while preventing theft. Contents of the invention [0003] In view of the above problems, the prese...

AI Technical Summary

Problems solved by technology

[0002] In daily life, the frequency of people going out with their backpacks is not low, and in crowded places, because the backpacks are not in the sight of people, people often worry that the zipper on the back will be pulled open and they pull the backpacks to the front from time to time to check, or Putting the backpack directly on the front will bring a lot of inconvenience to the people who go out

And the existing anti-theft knapsack has also caused the problem that the user himself opens the knapsack mode loaded down with trivial details while guarding against the thief

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