A cleaning device, including a water pumping apparatus, a cleaning area and a work execution mechanism. The water pumping apparatus includes a receiving part and a transitional connecting mechanism. An accommodating space and a water outlet that communicates with the accommodating space are formed in the receiving part, and the water outlet communicates with the cleaning area. The transitional connecting mechanism is in drive connection with the work execution mechanism, and the transitional connecting mechanism may pump water in the accommodating space into the cleaning area under the drive of the work execution mechanism. The cleaning device uses the ready-made work execution mechanism as a power source, and drives a water pumping operation by means of the transitional connecting mechanism without the need for control by means of a control circuit. The apparatus has high structural reliability and low fabrication costs.

A vacuum cleaner system includes an agitator and nozzle assembly having an agitator configured to rotate about a pivot axis and a suction tube. The agitator includes an agitator body having an agitator suction inlet and defining a suction tube chamber. The suction tube chamber extends along at least a portion of the pivot axis and includes a suction tube opening disposed at one end thereof. The suction tube is received through the suction tube opening and partially into the suction tube chamber, and includes a suction tube inlet. The agitator is configured to rotate about the pivot axis relative to suction tube such that the agitator suction inlet and the suction tube inlet partially overlap and an air flow path is established which extends through agitator suction inlet, into suction tube chamber, through suction tube inlet, and into the suction tube.

A cleaner according to the present invention includes a cleaner main body, and a suction unit provided with a nozzle portion configured to suck air containing foreign substances on a floor into the cleaner main body, and a brush assembly detachably mounted on the nozzle portion, wherein the brush assembly includes a frame coupled to the nozzle portion and provided with an opening that is open toward the front and positioned adjacent to the floor, a brush rotation bar accommodated in the frame and having at least one end portion rotatably supported on the frame, and a variable shutter rotatably mounted on the frame, and configured to close a part of the opening by being rotated by pressing force upon being brought into contact with the floor, whereby air suction force can be varied to correspond to a state of the floor, thereby improving cleaning performance.

An autonomous cleaning robot includes a drive system to support the autonomous cleaning robot above a floor surface, an image capture device positioned on the autonomous cleaning robot to capture imagery of a portion of the floor surface forward of the autonomous cleaning robot, and a controller operably connected to the drive system and the image capture device. The drive system is operable to maneuver the autonomous cleaning robot about the floor surface. The controller is configured to execute instructions to perform operations including initiating, based on a user-selected sensitivity and the imagery captured by the image capture device, an avoidance behavior to avoid an obstacle on the portion of the floor surface.

A roller brush assembly includes a roller brush device, a lifting drive motor, and a lifting transmission assembly. The roller brush device includes a roller brush housing and a roller brush rotatably connected in the roller brush housing, and one side of the roller brush housing is provided with a swing arm. The lifting transmission assembly is connected to the lifting drive motor and driven by the lifting drive motor to drive the swing arm to swing, thereby lifting the roller brush device. Thus, the roller brush device can be lifted and held in a lifted position, thereby improving the adaptability of a cleaning robot having the roller brush assembly.

A robotic cleaner may include a body, an agitator chamber within the body, an agitator disposed within the agitator chamber, a dust cup removably coupled to the body, the dust cup including a debris inlet, the debris inlet fluidly coupling the dust cup to the agitator chamber, and a shutter configured to transition between a cleaning position and an evacuation position in response to rotational movement of the agitator.

A robotic vacuum cleaner includes a main body having an underside configured to face a surface to be cleaned, a suction opening that opens into the underside of the main body and extending transversely to a main direction of travel of the robotic vacuum cleaner; and a first side cleaning member attached at a fixed location on a front part of the main body and located adjacent a first side edge of the main body, the first side cleaning member having a first cleaning part which is flexible and is configured to direct waste, which comes into contact with the first cleaning part when the robotic vacuum cleaner moves in the main direction of travel, toward the suction opening.

A mopping mechanism is provided. The mopping mechanism includes at least one mopping plate movably mountable to a bottom surface of a cleaning device. The mopping mechanism also includes a magnetic element assembly including a primary magnetic element and a secondary magnetic element, and configured to generate a variable magnetic field to drive the at least one mopping plate to move reciprocatively relative to the bottom surface.

A robotic cleaner includes a housing, a suction conduit with an opening, and a leading roller mounted in front of a brush roll. An inter-roller air passageway may be defined between the leading roller and the brush roll wherein the lower portion of the leading roller is exposed to a flow path to the suction conduit and an upper portion of the leading roller is outside of the flow path. Optionally, a combing unit includes a plurality of combing protrusions extending into the leading roller and having leading edges not aligned with a center of the leading roller. Optionally, a sealing strip is located along a rear side of the opening and along a portion of left and right sides of the opening. The underside may define side edge vacuum passageways extending from the sides of the housing partially between the leading roller and the sealing strip towards the opening.

A surface cleaning head with dual rotating agitators (e.g., a leading roller and a brush roll) may be used to facilitate capturing of debris in the air flow into a suction conduit on the underside of the surface cleaning head. The leading roller is generally positioned adjacent to and in advance of the opening of the suction conduit. The rotating brush roll may be located in the suction conduit with the leading roller located in front of and spaced from the brush roll, forming an inter-roller air passageway therebetween. The leading roller may provide a softer cleaning element than the brush roll and may also have an outside diameter that is less than the outside diameter of the brush roll. The surface cleaning head may also include debriding protrusions contacting the leading roller and/or a leading bumper that extends in front of the leading roller.