公开(公告)号：US20220248930A1

公开(公告)日：2022-08-11

申请号：US17678559

申请日：2022-02-23

Applicant: Beijing Roborock Technology Co., Ltd.

Inventor： Xing Li ,  Pan Cheng ,  Chuanlin Duan ,  Zhimin Yang ,  Jungang Liu ,  Fan Yang ,  Erdong Gu ,  Rongxin Hu ,  Lei Wang ,  Lei Zhang

IPC: A47L11/40

Abstract: An autonomous cleaning device, includes: a mobile platform, configured to move autonomously on a cleaning surface; and a cleaning module, disposed on the mobile platform and including: a wet cleaning module, configured to clean at least part of the cleaning surface in a wet cleaning mode; and a lifting structure, connected to the wet cleaning module and configured to enable the wet cleaning module to move upward or downward with respect to the mobile platform; wherein the wet cleaning module includes: a cleaning head configured to clean the cleaning surface; and a driving unit configured to drive the cleaning head to conduct reciprocating movement on a target surface which indicates a part of the cleaning surface.

公开(公告)号：US20210276365A1

公开(公告)日：2021-09-09

申请号：US17324412

申请日：2021-05-19

Applicant: Beijing Roborock Technology Co., Ltd.

Inventor： Guang Yu ,  Dahong Gong ,  Chang Mi ,  Pan Cheng

IPC: B60B33/00 ,  A47L9/00 ,  A47L11/40

Abstract: Embodiments of the present application disclose a universal wheel assembly and a smart cleaning device having the same. The universal wheel assembly includes a rotating shaft support and a universal wheel support. The rotating shaft support is configured to be fixed to a predetermined mounting position. The universal wheel support is connected to the rotating shaft support and is rotatable relative to the rotating shaft support. The universal wheel support is provided with a through hole, and the through hole is used for a mounting tool to pass through to fix the rotating shaft support to the predetermined mounting position.