Device for cleaning closed spaces

Device for cleaning of closed spaces using a sprayed liquid, including a housing (1) with a stationary part (2) configured to receive liquid into the device and a rotatable part (3) arranged with the stationary part (2), whereby the rotatable part (3) is rotatably arranged with a hub (4) with at least one spray nozzle (5), whereby in the housing (1) a first part of an axis (6) is connected to a rotation generating element (7) in the housing (1) and a second part is provided with threads forming a worm screw (8), which worm screw (8) is arranged to fit into the threads of an adjacent first gear wheel (9) forming a worm gear (10), which worm gear (10) is configured to transmit rotational force from the rotation generating element (7) via the axis (6) for rotating the hub (4) and the rotatable part (3), whereby the rotation generating element (7), the axis (6) and the worm gear (10) are arranged in a flow path (11) for liquid flowing through the device (11), whereby the bulk of liquid flows through the worm gear (10) in a direction towards at least one spray nozzle (5).