The present disclosure relates to a wastewater tank structure and cleaning equipment. The wastewater tank structure includes a tank body and a tank cover assembly. The tank body has an accommodation cavity therein, and an end of the tank body is formed with an opening in communication with the accommodation cavity. The tank cover assembly includes a cover body and at least one flow divider, and the cover body is disposed at an end of the tank body proximate to the opening. The flow divider is in communication with the cover body and the accommodation cavity. The flow divider is configured to divide a fluid stream flowing therethrough into a plurality of fluid streams formed into pairs having paired kinetic energies carried thereby and paired opposing flow directions, such that the kinetic energies of the pairs of fluid streams cancel out.

A surface cleaning apparatus includes at least a recovery system for removing the spent cleaning fluid and debris from the surface to be cleaned and storing the spent cleaning fluid and debris. The recovery system is provided with a recovery tank having a removably strainer that is configured to strain large debris and hair out of the recovery tank prior to emptying the recovery tank.

The present disclosure relates to a liquid container and an autonomous cleaning robot. The liquid container may include a container case and a cleaning cloth that is removable and mounted on the container case. The cleaning cloth may include a first guiding member disposed thereon. The container case may include a second guiding member. The first guiding member and the second guiding member cooperate with each other to define an assembly direction of the cleaning cloth. The cleaning cloth can be installed correctly by defining the assembly direction of the first guiding member and the second guiding member.

A surface cleaning apparatus adapted for movement across a surface to be cleaned. The surface cleaning apparatus can dock within a storage tray and charge a power supply. Electrical contacts on the surface cleaning apparatus and the storage tray can be shielded when the surface cleaning apparatus is not docked within the storage tray. Furthermore, the storage tray can include a reservoir for a self-cleaning mode.

A support device of the cleaner includes a charging stand body provided with a charging port for charging the cleaner and a plurality of fixing parts disposed to be spaced apart from each other on the charging stand body and each having a fixing groove in which a fixing protrusion provided on the cleaner is accommodated.

A surface cleaning apparatus includes a recovery tank, a suction nozzle in fluid communication with the recovery tank, and a suction source in fluid communication with the suction nozzle and the recovery tank to generate a working air path to transport debris-containing fluid including air and liquid from the suction nozzle into the recovery tank. An air/liquid separator can be provided within the recovery tank for separating liquid from air in the debris-containing fluid.

A cleaning robot and an automatic cleaning method thereof, to implement automatic cleaning. The cleaning robot includes a lifting mechanism and a cleaning base, where the cleaning base includes a base body, a scraping mechanism disposed on the base body, and a spraying assembly provided with nozzles. The nozzles are arranged along a mopping component of the cleaning robot and formed into a structure for spraying water or mist to the mopping component. The scraping mechanism includes a scraper, and the scraper comes into contact with and moves relative to the mopping component, to scrape off the attachment on the mopping component while squeezing out the water. The lifting mechanism causes the mopping component to lift or move down by causing the mopping component to come into contact with or separate from the scraper.

The present disclosure discloses a cleaning robot and a roller cleaning device thereof. The cleaning robot comprises a shell and a roller cleaning device. The roller cleaning device comprises a flexible roller, a roller motor for driving the flexible roller to rotate, a water sink close to and in communication with a surface of the flexible roller, a water tank, and a sewage pressing member. The water tank comprises a filter member. One end of the water sink is in communication with the water tank through a sewage pipe at a position above the filter member, and the other end of the water sink is in communication with a clean water pipe at a position below the filter member. The water tank is connected to a vacuum pump, and the sewage pressing member squeezes the sewage in the flexible roller into the water tank when the flexible roller rotates.

The method may include putting fresh cleaning liquid in the trolley bucket assembly bucket and the vacuum recovery tank; and, while propelling the system across hard surface flooring: dispensing fresh cleaning liquid from the bucket onto flooring by adjusting the spigot; spreading fresh cleaning liquid on flooring with the liquid spreader assembly; and vacuuming soil and cleaning liquid from flooring into the tank with the squeegee head assembly. The method may further include, when a desired amount of cleaning liquid has been dispensed from the bucket, or a desired amount of cleaning liquid has been vacuumed into the tank: stopping dispensing of cleaning liquid from the bucket; stopping propelling of the system; and transferring a desired amount of cleaning liquid from the tank to the bucket via the cleaning liquid transfer outlet. In addition, the method may include resuming propelling the system across flooring while also: dispensing; spreading; and vacuuming.

A surface cleaning apparatus such as an extractor has a liquid delivery system, a separator, a collection chamber in communication a the separated element outlet of the separator, and a separated liquid collection container downstream from the collection chamber.