Multi-combination split type knapsack system

Abstract

The invention pertains to backpack technical field and in particular relates to a multi-component separate backpack system, comprising a bag body and sash back cushions. A backboard is installed at the backside of the bag body, and inflatable airbag anti-vibration devices are installed at the back sides of the sash back cushions. The inflatable airbag anti-vibration devices are detachably connected with the backboard of the bag body. Adopting above structure characterized in that the backboard on the bag body are detachably connected with the inflatable airbag anti-vibration devices on the sash back cushions, the backpack can be assembled freely from various bag bodies and comfortable sash back cushions to satisfy the purchase desire of the users, thus prolonging the service life of the backpack, reducing use cost and saving social resources. The sash back cushions are provided with inflatable air cushions, so the user can adjust the pressure of the inflatable air cushions inside the sash back cushions according to personal requirements. The sash back cushions have high degree of comfortableness and the inflatable air cushions are detachable, so old or damaged inflatable air cushions can be replaced, thus reducing use cost and saving resources.

Description

Technical field: [0001] The invention belongs to the technical field of backpacks, in particular to a multi-combination split backpack system. Background technique: [0002] At present, there are various kinds of backpacks on the market, generally including a bag body and a shoulder strap back pad. The bag body is used to hold articles, and its design of the existing bag body is also various, and there are zipper type, button type, single storage unit, multiple storage units, etc. The colors are also rich and colorful, and there are all kinds of designs; the existing shoulder strap back pads are also designed in a variety of ways, such as wide flat belt type, slender belt type, elastic elastic belt type, air bag inflatable type, etc.; the bag body and shoulder strap The back pad is stitched into one piece. After the user uses it for a period of time, when the bag body is damaged but the shoulder strap back pad is not damaged, the entire backpack can no longer be used and c...

AI Technical Summary

Problems solved by technology

After the user uses it for a period of time, when the bag body is damaged but the shoulder strap back pad is not damaged, the entire backpack can no longer be used and can only be discarded; when the shoulder strap back pad is damaged but the bag body is not damaged, the entire backpack cannot be reused. If used, it can only be discarded, so that the service life of the entire backpack is relatively short, and the bag body and shoulder strap back pad of the existing backpack cannot be disassembled and assembled, resulting in a huge waste of resources

[0003] Moreover, when users buy backpacks, most of them buy them because they like the design of the bag body or the comfort of the shoulder strap back pad. It is difficult to buy a backpack that likes both the design of the bag body and the comfort of the shoulder strap back pad. designed backpack

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