Waterproof carton with multi-stage buffer

Abstract

The invention provides a waterproof carton with multi-stage buffer, and relates to the technical field of carton production. The waterproof carton with multi-stage buffer comprises a box body, whereina bottom plate is arranged at the lower end of the box body; a sleeve is arranged at the lower end of the bottom plate; a first spring is arranged inside the sleeve; a supporting rod is connected atthe lower end of the sleeve in a sliding mode; a cover plate is arranged at the upper end of the box body; a second spring is arranged at the bottom end of the box body; a reinforcing plate is fixedlyconnected at the upper end of the second spring; a third foam board is fixedly connected at the upper end of the reinforcing plate; a drying pad is fixedly connected at the upper end of the third foam board; a protective sleeve is arranged at the upper end of the drying pad; and waterproof layers are fixedly connected on the inner wall of the box body and the inner wall of the cover plate. The first spring is arranged at the lower end of the bottom plate such that the bottom plate has a buffer function; and the second spring, the third foam board and a partition plate are arranged inside thebox body to make the box body have the multi-stage buffer function.

Description

technical field [0001] The invention relates to the technical field of carton production, in particular to a waterproof carton device with multi-stage buffering. Background technique [0002] Cartons are usually used as wrappers for commodities and outer layer of article protection. The volume of cartons changes with the size of commodities. Packaging cartons, as an indispensable part of modern logistics, bear the important responsibility of packaging, product protection and aesthetics. Packaging The physical performance index of the carton becomes the basis for its quality evaluation. [0003] Cartons are often used for item packaging. Most items have high requirements on the waterproofness and cushioning of cartons. Ordinary cartons do not have multi-level buffering functions. The items inside are easily damaged during transportation, which leads to increased transportation costs. Poor, the items inside the box are easily damaged, so a waterproof carton with multi-level b...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a waterproof carton with multi-stage buffer, which solves the problems of poor waterproofness of the carton and lack of multi-stage buffer

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