DEVICE FOR CLEANING OF FLUSH TANK OF TOILET BOWL AND CLEANING SUBSTANCE (VERSIONS) Russian patent published in 2021 - IPC E03D9/02 E03D1/00 

FIELD: sanitation equipment.

SUBSTANCE: according to the first version, the device contains a sleeve with a collar installed in the hole of the cover of the flush tank of the toilet bowl and a clamp, which is made with possibility of attachment of the bushing to the cover of the flush tank. In the bushing there is a hole for free passage of cleaning substances inside the flushing tank. Hole in the cover of the flush tank is made cylindrical, and the external surface of the bushing is also cylindrical, and a threaded surface is located on it. Clamp is made in the form of nut, internal threaded surface of which is made with possibility of contact with external thread surface of sleeve. According to the second version, the device comprises a container installed in the opening of the cover of the wash tank, consisting of a housing, a cavity inside the housing for placement of cleaning substance, a plug closing a cavity for placing a cleaning substance, an outlet valve of a cleaning substance located on the bottom of the housing, and a control mechanism of the outlet valve. There is a through hole in the plug, and the outlet valve control mechanism is located in the cavity for the cleaning agent placement and is made in the form of a pusher. Upper part of pusher is located in through hole of plug, in its middle part there is a collar, which is made with possibility of contacting with lower end surface of plug. End surface of lower part is made with possibility of contact with outlet valve of cleaning substance. Device according to the third version comprises a container consisting of a housing with an external threaded surface and a cavity for placing cleaning substances located inside the housing, nut located on external threaded surface of housing, and hole in lid of flush tank of toilet bowl, intended for arrangement of container. In the hole of the cover of the flush tank of the toilet bowl there is a sleeve with a collar, which is made with possibility of rigid connection to the lid of the flush tank of the toilet bowl and in which there is a hole, inner threaded surface of which is made with possibility of contacting with external thread surface of container body, and nut is made with possibility of contacting with end surface of sleeve.

EFFECT: simplified design of device, increased cleaning efficiency of flush tank of toilet bowl, reduction of labor intensity of container installation into flushing tank and reduction of consumption of cleaning substances at acceptable quality of flushing of flush tank of toilet bowl.

6 cl, 12 dwg