公开(公告)号：US20240292986A1

公开(公告)日：2024-09-05

申请号：US18574711

申请日：2022-06-24

Applicant: BEIJING ROBOROCK TECHNOLOGY CO., LTD.

Inventor： Hongliang XU ,  Guang YU ,  Chuanlin DUAN ,  Dahong GONG ,  Yongfei ZHOU

IPC: A47L9/14 ,  A47L9/00 ,  A47L9/12 ,  F16K15/06

CPC classification number: A47L9/1409 ,  A47L9/0063 ,  A47L9/122 ,  A47L9/149 ,  F16K15/063 ,  A47L2201/024 ,  A47L2201/04

Abstract: Disclosed are a dust box, an automatic cleaning apparatus and a dust collection pile. The dust box includes: a dust box body including a bottom wall and sidewalls disposed around edges of the bottom wall, the sidewalls extend from the bottom wall away from the bottom wall, the bottom wall and the sidewalls define an accommodation space, the sidewall is defined with a first through hole, and the first through hole is a pathway for garbage to enter or move out of the accommodation space, a check valve assembly is disposed on the sidewall of the dust box, and the check valve assembly is biased in a closed state, and in response to an external acting force applied to the check valve assembly being greater than a threshold, the check valve assembly is switched from the closed state to an open state.