Patent ID: 11930990
Assignee: KINGCLEAN ELECTRIC CO., LTD.
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 1:
2. The vacuum cleaning device according to claim 1, wherein;
on one inner wall of the slot are provided a plurality of wedge blocks facing the other inner wall of the slot, and the plug has an interference fit with the wedge blocks so that the plug is locked in the slot;
the wedge blocks each have a thickness that gradually increases from bottom to top toward the other inner wall of the slot; the plurality of wedge blocks are arranged in parallel at intervals;
the plug is provided with a positioning protrusion, and the slot is provided with a positioning groove corresponding to the positioning protrusion, such that the positioning protrusion is embedded in the positioning groove when the plug is inserted into the slot;
the plug is of an “L” shape.