Patent ID: 11957285
Assignee: BEIJING ROBOROCK TECHNOLOGY CO., LTD.
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 18:
19. An automatic cleaning device, comprising:
a mobile platform configured to automatically move in a target direction on a surface to be cleaned, the mobile platform having a bottom surface;
a wet-mode cleaning module comprising at least one cleaning-head, a distance between the cleaning-head and the bottom surface of the mobile platform being adjustable;
a lifting mechanism configured to drive, via a linear driving mechanism, the at least one cleaning-head to move to thereby adjust the distance between the cleaning-head and the bottom surface of the mobile platform;
wherein when the linear driving mechanism moves in a direction, the distance between the cleaning-head and the bottom surface of the mobile platform is increased;
when the linear driving mechanism moves in another direction reverse to said direction, the distance between the cleaning-head and the bottom surface of the mobile platform is decreased;
wherein the automatic cleaning device comprises two said linear driving mechanisms respectively arranged at left and right sides thereof and configured to drive the at least one cleaning-head to move up and down;
wherein each of the linear driving mechanisms comprises a lead screw nut;
wherein the automatic cleaning device further comprises a liquid supplying module configured to supply a cleaning liquid to the surface to be cleaned, and a vacuum module which is arranged in front of the liquid supplying module, and
wherein the cleaning-head is configured to move relative to the lifting mechanism under a driving force from a power source to thereby clean the surface to be cleaned.