Autonomous Cleaning Robot Equipped With A Wet Cleaning Device

Abstract

The autonomous cleaning robot includes a main body including a lower face and a suction opening, opening into the lower face; a wet cleaning device including two mop supports which are each movably mounted in translation relative to the main body in a direction of translation, and two mops mounted respectively on the two mop supports; and two drive wheels configured to roll over the surface to be cleaned and movably mounted in rotation on the main body respectively about two rotation axes which are substantially parallel. The two mop supports are located behind the rotation axes of the drive wheels, and the direction of translation extends substantially parallel to the rotation axes of the two drive wheels.

1 . An autonomous cleaning robot comprising:
 a main body including a lower face configured to be oriented towards a surface to be cleaned and a suction opening provided in a front part of the main body and opening into the lower face of the main body,   a suction unit housed at least partly in the main body, and configured to generate an air flow through the suction opening,   a wet cleaning device including first and second mop supports each movably mounted in translation relative to the main body in a direction of translation, and first and second mops removably mounted respectively on the first and second mop supports, the first and second mops configured to be in contact with the surface to be cleaned, and   first and second drive wheels configured to roll over the surface to be cleaned and movably mounted in rotation on the main body respectively about first and second rotation axes which are substantially parallel,   wherein the first and second mop supports are located behind the first and second rotation axes of the first and second drive wheels, and the direction of translation extends substantially parallel to the first and second rotation axes of the first and second drive wheels.   
     
     
         2 . The autonomous cleaning robot according to  claim 1 , wherein the first and second mop supports are movably mounted relative to each other between a close configuration in which the first and second mop supports are close to each other and a remote configuration in which the first and second mop supports are spaced apart from each other. 
     
     
         3 . The autonomous cleaning robot according to  claim 1 , wherein the first and second mop supports are arranged on either side of a median longitudinal plane of the main body. 
     
     
         4 . The autonomous cleaning robot according to  claim 1 , wherein, when the autonomous cleaning robot rests on a surface to be cleaned, a rear part of the autonomous cleaning robot is configured to rest on said surface to be cleaned directly by the first and second mops. 
     
     
         5 . The autonomous cleaning robot according to  claim 1 , wherein the first and second mop supports are positioned relative to the main body such that the first and second mop supports are not intersected by any vertical plane passing through the first and second rotation axes of the first and second drive wheels, and such that the first and second mop supports are not located at least partly between two vertical planes passing respectively through the first and second rotation axes of the first and second drive wheels. 
     
     
         6 . The autonomous cleaning robot according to  claim 1 , further comprising a power battery configured to electrically power the autonomous cleaning robot, the power battery being located at least partly above one of the first and second mop supports. 
     
     
         7 . The autonomous cleaning robot according to  claim 1 , wherein the suction unit is located at least partly above one of the first and second mop supports. 
     
     
         8 . The autonomous cleaning robot according to  claim 1 , wherein the wet cleaning device is removably mounted relative to the main body. 
     
     
         9 . The autonomous cleaning robot according to  claim 8 , wherein the wet cleaning device is configured to be removed from the main body by a translation movement directed towards the rear of the main body. 
     
     
         10 . The autonomous cleaning robot according to  claim 9 , wherein the wet cleaning device comprises first guide means configured to cooperate with second guide means provided on the main body during a mounting of the wet cleaning device on the main body, so as to guide the wet cleaning device in a guide direction. 
     
     
         11 . The autonomous cleaning robot according to  claim 8 , wherein the wet cleaning device includes comprises a first electrical connector configured to cooperate with a second electrical connector mounted on the main body during a mounting of the wet cleaning device on the main body in a mounting direction which is directed towards the front of the main body. 
     
     
         12 . The autonomous cleaning robot according to  claim 8 , further comprising a locking mechanism configured to lock the wet cleaning device on the main body. 
     
     
         13 . The autonomous cleaning robot according to  claim 12 , wherein the locking mechanism comprises a locking member which is operable by a user and provided on the main body or the wet cleaning device, the locking member movably mounted between a locking position in which the locking member is configured to cooperate with a locking element provided on the wet cleaning device or the main body so as to lock the wet cleaning device to the main body and a release position in which the locking member is configured to release the locking element so as to authorize a removal of the wet cleaning device from the main body. 
     
     
         14 . The autonomous cleaning robot according to  claim 13 , wherein the locking member is displaceable in translation according to an actuation direction which is substantially vertical when the autonomous cleaning robot rests on a horizontal surface. 
     
     
         15 . The autonomous cleaning robot according to  claim 1 , wherein the autonomous cleaning robot comprises a cleaning liquid reservoir, and the wet cleaning device comprises a plurality of liquid outlet orifices configured to be fluidly connected to the cleaning liquid reservoir and configured to supply cleaning liquid to the first and second mops mounted on the first and second mop supports, the liquid outlet orifices located in front of the first and second mop supports. 
     
     
         16 . The autonomous cleaning robot according to  claim 1 , further comprising a lifting ramp extending substantially parallel to the first and second rotation axes of the first and second drive wheels and located at the front of the first and second mop supports, the lifting ramp comprising a lifting surface oriented towards a surface to be cleaned and inclined backwards and downwards, the lifting surface configured to cause a lifting of a rear part of the main body when an obstacle, presenting itself frontally to the autonomous cleaning robot during a forward displacement of the main body, comes into contact with said lifting surface and slides on said lifting surface. 
     
     
         17 . The autonomous cleaning robot according to  claim 15 , further comprising a lifting ramp extending substantially parallel to the first and second rotation axes of the first and second drive wheels and located at the front of the first and second mop supports, the lifting ramp comprising a lifting surface oriented towards a surface to be cleaned and inclined backwards and downwards, the lifting surface configured to cause a lifting of a rear part of the main body when an obstacle, presenting itself frontally to the autonomous cleaning robot during a forward displacement of the main body, comes into contact with said lifting surface and slides on said lifting surface,
 wherein the liquid outlet orifices are provided on the lifting ramp and are distributed along the lifting ramp.   
     
     
         18 . The autonomous cleaning robot according to  claim 1 , further comprising a rotating cleaning brush movably mounted in rotation in the main body about a brush rotation axis.