A foldable sheet-type file box

By designing a foldable sheet-type file box and an adjustable paper pressure device, the problems of large space occupation and weak connection of the file box during transportation are solved, achieving space saving and convenient file retrieval.

CN224426931UActive Publication Date: 2026-06-30庄岩
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Patent Information

Application Number
CN202521639993.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-04
Publication Date
2026-06-30
Estimated Expiration
2035-08-04

AI Technical Summary

Technical Problem

Existing document boxes take up a lot of space during transportation, the joints are not secure and are easy to fall apart, the paper clamp takes up space and cannot be adjusted, making it inconvenient to take out documents.

Method used

Design a foldable sheet-type document box. The box can be flattened by connecting the surrounding panel structure and the adhesive plate through the folding line. Combined with the adjustable paper press structure, the connection strength is enhanced by the adhesive surface and Velcro. The paper press can be fixed on any of the surrounding panels.

Benefits of technology

It achieves space saving during transportation, stable connection, flexible adjustment of paper pressure device, and improves transportation efficiency and ease of use.

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Abstract

This utility model relates to the field of office supplies, and particularly to a foldable flat file box. It includes a base plate, a first horizontal plate, a second horizontal plate, a first vertical plate, a second vertical plate, and a third vertical plate, with a certain gap between the second and third vertical plates. The first horizontal plate is connected to the first vertical plate via a first adhesive plate, the first horizontal plate is connected to the second vertical plate via a second adhesive plate, the second horizontal plate is connected to the first vertical plate via a third adhesive plate, and the second horizontal plate is connected to the third vertical plate via a fourth adhesive plate. The first, second, third, and fourth adhesive plates have adhesive surfaces. The base plate is connected to a cover plate via a connecting plate. The file box also includes a paper presser, which includes a fixing part, a swing arm, and a torsion spring. This utility model file box can be completely flattened, facilitating transportation and saving space. The fixing part of the paper presser can be fixed to any of the following plates: the first horizontal plate, the second horizontal plate, or the first vertical plate, as needed.
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