FIELD: construction.
SUBSTANCE: water drainage facility comprises an inlet and an outlet channels for water with one inlet hole and two outlet holes; an upper (102) and a lower (105) sealed seats; a water drainage switch arranged as capable of tight adjacency to sealed seats and designed to switch between two outlet holes. The switch comprises a sliding rod, a fixed holder with a through hole for a sliding rod and a support bracket. On the surface of the sliding rod there is the first and the second supports arranged on different levels and designed to support a bent part of the support bracket against them. On the surface of the sliding rod there is the first and the second slots of single-sided sliding for a bent part of the support bracket. The specified first slot comprises the first path starting from the first support and the second path connected to the first support and leading towards the second support. The place of their connection is arranged further from the head part of the sliding rod compared to the second support. The specified second slot comprises the third path starting from the second support and the fourth path connected to the third path. The place of their connection is arranged further from the head part of the sliding rod compared to the second support. The fourth path is connected to the first path or to the first support. The switch comprises a spring pressing against the sliding rod in direction from its head part to the end part. The head part of the sliding rod is connected with a valve plate.
EFFECT: increased reliability and simplicity in device operation.
10 cl, 8 dwg
