A double-walled packaging box with moisture absorption function

Abstract

The utility model provides a double -layer wall packing box of moisture absorption function belongs to packing box technical field, including the box body, the box body top rotatory connection has the cover, the cover is fixedly connected with the moisture absorption subassembly in, and the moisture absorption subassembly includes the installation shell, and the installation shell fixed mounting is in the cover, and the installation shell inner chamber is fixedly connected with the bearing platform for storing the drying agent, and the installation shell is inserted with the reminding component, and the installation shell is movably connected with the limiting component of bearing platform spacing, and the bearing platform one side is equipped with the permanent magnet, and the reminding component is used to prompt the user drying agent has approached the saturated state, when drying agent absorbs enough moisture and leads to its weight increase, the bearing platform will move down, finally triggers the extension end and permanent magnet separation, makes the extension end move upward under the action of elastic part and extends from the installation shell top, as the signal of replacing drying agent, solved the problem that drying agent moisture absorption condition is difficult to judge, ensures that the user can replace drying agent in time, effectively prevents the article in the box body and damps.

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