公开(公告)号：EP3925507A1

公开(公告)日：2021-12-22

申请号：EP19933481.4

申请日：2019-08-20

Applicant: Midea Robozone Technology Co., Ltd.

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

IPC: A47L11/40

Abstract: Provided is a self-moving cleaning device, including a shell (10), a water tank (20), a groove (111), and a roller assembly (30). Amounting part (11) is arranged at the bottom of the shell (10); the water tank (20) is detachably mounted on the mounting part (11); the groove (111) is provided in the mounting part (11) and/or the groove (111) is provided in the water tank (20) at a position cooperating with the mounting part (11); and the roller assembly (30) is mounted on the mounting part (11) and can extend and retract. When the water tank (20) is mounted on the shell (10), the roller assembly (30) retracts into the groove (111) and is in a retracted state, and when the water tank (20) is removed from the shell (10), the roller assembly (30) is in an extended state.