公开(公告)号：US20250151889A1

公开(公告)日：2025-05-15

申请号：US18727766

申请日：2022-08-23

Applicant: Beijing Roborock Technology Co., Ltd.

Inventor： Zhiwei ZHOU ,  Chong ZHOU ,  Bainian ZHAO

IPC: A46B13/00 ,  A46B13/02 ,  A46D3/00 ,  A47L9/04 ,  A47L11/40

Abstract: A cleaning brush and an intelligent cleaning device are provided. The cleaning brush includes: a shaft lever having two first end portions; an end portion member mounted on a first end portion, wherein the end portion member has a blocking structure for preventing entanglements from excessively extending away from the cleaning brush, the end portion member and the first end portion have mounting structures mutually matched; and the mounting structure includes a guide sleeve configured to be sleeved onto the first end portion; and a cylindrical member, coaxial with and sleeved onto the shaft lever, having two second end portions. A second end portion corresponding to the end portion member covers at least a portion of the guide sleeve of the corresponding end portion member.

公开(公告)号：US20240074636A1

公开(公告)日：2024-03-07

申请号：US18262976

申请日：2022-02-09

Applicant: Beijing Roborock Technology Co., Ltd.

Inventor： Xing LI ,  Yongfei ZHOU ,  Chuanlin DUAN ,  Chong ZHOU ,  Dahong GONG ,  Hongfeng CHEN

IPC: A47L11/40 ,  A47L11/24 ,  A47L11/284

CPC classification number: A47L11/4055 ,  A47L11/24 ,  A47L11/284 ,  A47L11/4036 ,  A47L2201/04

Abstract: An automatic cleaning device, comprising: a moving platform configured to automatically move on an operation surface; a cleaning module which is provided on the moving platform and comprises a wet-type cleaning module configured to clean at least a part of the operation surface in a wet-type cleaning mode and a dry-type cleaning module configured to clean at least a part of the operation surface in a dry-type cleaning mode; and a floating lifting/lowering structure connected to the dry-type cleaning module and configured to enable the dry-type cleaning module to passively move up and down relative to the moving platform.