公开(公告)号：US20240174404A1

公开(公告)日：2024-05-30

申请号：US17773623

申请日：2021-06-29

Applicant: Qin JIANG

Inventor： Fangfeng MEI

IPC: B65D21/02 ,  B65D6/08 ,  B65D6/16 ,  B65D6/34 ,  B65D21/08 ,  B65D43/02

CPC classification number: B65D21/0223 ,  B65D11/14 ,  B65D11/18 ,  B65D11/22 ,  B65D21/0201 ,  B65D21/083 ,  B65D43/0202 ,  B65D2543/00194

Abstract: The utility model provides a building block type combined storage device, at least including any two of a large storage basket group, a small storage basket group and a lid. The large storage basket group includes a first large storage basket without a first handle and/or b second large storage basket with a first handle, wherein the small storage basket group includes 2*n first small storage baskets without a second handle and/or 2*m second small storage baskets with a second handle, and a, b, n, and m are all natural numbers greater than or equal to 1. Through the design of a first clamping groove mortise and tenon joint structure and a second clamping groove mortise and tenon joint structure, the stability of connection between the large and small storage basket groups is enhanced. The utility model has the advantages of flexible stacking and combination, reasonable and firm structure, high utilization rate and ability of self-arrangement and storage.