公开(公告)号：US20220160203A1

公开(公告)日：2022-05-26

申请号：US17434759

申请日：2019-08-20

Applicant: MIDEA ROBOZONE TECHNOLOGY CO., LTD.

Inventor： Xiaogang XUAN ,  Shupeng FENG ,  Xianmin WEI ,  Yuan CHEN

IPC: A47L11/40 ,  A47L11/28 ,  A47L11/24 ,  A47L1/02

Abstract: Provided is a self-moving cleaning device, including a shell, a water tank, a groove, and a roller assembly. A mounting part is arranged at the bottom of the shell; the water tank is detachably mounted on the mounting part; the groove is provided in the mounting part and/or the groove is provided in the water tank at a position cooperating with the mounting part; and the roller assembly is mounted on the mounting part and can extend and retract. When the water tank is mounted on the shell, the roller assembly retracts into the groove and is in a retracted state, and when the water tank is removed from the shell, the roller assembly is in an extended state.