Dosing device, in particular for a cleaning device for wet cleaning of surfaces, and cleaning device with such a metering device

摘要

Dosing device (8) for dosing at least two liquid flows, in particular for a cleaning device (1) for wet cleaning of surfaces, with a dosing pump (9), the housing of which has an inlet (16) for liquid and a first outlet for liquid delivery, the inlet (16) being provided with an inlet valve (18, 19) and the outlet being provided with an outlet valve (20), and wherein the output ends at a connection section (25.11) for connecting a liquid line (28), and with a leakage protection valve (26), characterized in that the housing has at least one additional outlet for liquid delivery, which ends at a separate connection section (25.21) for connecting an additional liquid line (29), the housing delimiting hydraulically separate working spaces (9.1, 9.2) of the metering pump (9), of which a first working space (9.1) is hydraulically connected to the first outlet and another working chamber (9.2) is connected to the additional outlet, and wherein the leakage protection -Valve (26) is arranged between the outlet valve (20) and the connection sections (25.11, 25.21).