Black thick stackable storage box

The stackable storage box includes a box cover and a box body, and one side of the box cover and the box body is connected by a hinge; the side of the box cover close to the hinge is provided with a first buckle, and the box cover is far from the hinge. A second buckle and a third buckle are arranged on one side, and the first buckle, the second buckle and the third buckle are all hinged with the box cover, and the box body is provided with the first buckle and the third buckle. The second buckle and the third buckle correspond to the first card slot, the second card slot and the third card slot one-to-one, and the second buckle and the second card slot form an engaging structure; when the two storage boxes are on the , When the lower storage box is stacked, the first buckle and the third buckle of the lower storage box respectively form an engaging structure with the first and third card slots of the upper storage box. When stacking, the lid of any layer of storage boxes can be easily opened. Therefore, using Very convenient. The storage box is a common storage tool in family life and daily work. It generally includes a box cover and a box body. One side of the box cover and the box body are connected by a hinge, and the other side is connected by a buckle, which is used for storage such as power tools. accessories such as small tools or other small items. For easy portability and storage, storage boxes are usually made in a stackable form.

The existing stackable storage boxes mostly adopt the following structure: a slot with a horizontal opening is arranged on the side of the box lid close to the hinge, and a key matching the slot is arranged on the box body; A buckle is provided, and the bottom of the box cover and the box body is provided with a card slot matched with the buckle. When two storage boxes are stacked, on the side close to the hinge, the keys of the upper storage box are inserted into the grooves of the lower storage box for fixing; on the other side, the buckles of the lower storage box are respectively connected with the upper storage box. The card slots of the box are snapped together so as to be fixed together. However, the above-mentioned stacking structure has a problem. When the upper cover of the lower storage box is opened, the engaging structure connecting the lower storage box and the upper storage box at the same time will be opened, so the upper storage box is easy to slip off; The storage box slips off, and the upper storage box needs to be removed before the lower storage box can be opened, which brings inconvenience to use.