Multiple draining system for sinks or basins

Abstract

A multiple draining system for sinks or wash-basins mainly for domestic use. In particular, a draining system provided with a simple and reliable construction which allows to recover wastewater from sinks or basins when it is desired to use it for further processing or other direct uses. The system includes means for diverting wastewater flow alternatively to a sewage system and to a recovery system, by including a control positioned above the level of the bottom of the basin for collecting water.

1 . Multiple draining system for sinks and basins, comprising a drain provided with a first portion fixed on the upper or inner surface of a bottom of a basin for collecting water in correspondence of a draining hole of said basin, and a second portion protruding from the lower or outer surface of said bottom so as to tightly connect with a cylindrical waste pipe for draining the basin water, said pipe extending about a rectilinear axis and being provided with a primary waste pipe for the sewage system and a secondary waste pipe for the recovery system, wherein means for diverting wastewater flow are accommodated inside said waste pipe and are selectively activatable so as to discharge the water by means of said primary waste pipe or of said secondary waste pipe, wherein said diverting means can be activated by means of a control positioned above the level of the bottom of the basin. 
     
     
         2 . System according to  claim 1 , wherein said control is connected to a pin lying on the axis of the pipe and provided with a first end axially fixed to said control rotatably and coaxially to said first portion of the drain or said first end is fixed on an axial pin of a closing plug of the drain, the pin comprising a second end which engages said diverting means rotatably or in a liftable/lowerable way, or said control comprises an articulated pin with a first end protruding from the upper rim of said basin and a second end connected to said diverting means by means of an articulated lever mechanism. 
     
     
         3 . System according to  claim 2 , wherein said control comprises a gripping element consisting in a knob rotatable about the axis, liftable/lowerable along or parallel to the axis or an annular flange or a lever provided with a cam rotatable on a plane vertical to said axis. 
     
     
         4 . System according to  claim 1 , wherein said diverting means comprise a gate device which in turn comprises a first fixed wall and provided with a first aperture, and a second movable wall provided with a second aperture, the second wall being rotatable so that alternatively the first and the second apertures are superimposable so as to let the water flow into the primary waste pipe or are not superimposable thus closing the water flow into the primary waste pipe, wherein said first wall is fixed on the inner wall of said waste pipe lower with respect to said secondary pipe, and said second wall radially and tightly overlaps said first wall and is rotatable by means of said rotating mechanism. 
     
     
         5 . System according to  claim 1 , wherein said means for diverting the flow of wastewater comprise a narrowing of the waste pipe positioned lower with respect to its secondary pipe, and a plug connected to the second end of the pin of said lifting/lowering mechanism so that it can be lifted or lowered to achieve a reversible and tight stop against said narrowing. 
     
     
         6 . System according to  claim 1 , wherein said waste pipe comprises a primary waste pipe and a secondary waste pipe positioned crosswise to the axis on the wall of said pipe at the same level and diametrically opposed, and wherein said diverting means comprise a ball valve to direct wastewater alternatively to the primary or secondary waste pipe. 
     
     
         7 . System according to  claim 1 , wherein said diverting means comprise a rotating element which in turn comprises a bottom provided with a seat for a rotating engagement on a pin of the waste pipe, and at least an aperture for the flow of wastewater from the drain to the waste pipe, the waste pipe comprising a plurality of holes for the sewage or recovery discharge of wastewater. 
     
     
         8 . System according to  claim 7 , wherein said rotating element is a cylinder comprising at least a hole formed on the lateral wall communicating with a sewage waste pipe or recovery waste pipe. 
     
     
         9 . System according to  claim 8 , wherein said rotating mechanism comprises a rotating cylinder provided with two apertures arranged on its lateral wall on two different crosswise planes along said axis and said waste pipe comprise a primary waste pipe and a secondary waste pipe positioned at two different points along said axis. 
     
     
         10 . System according to  claim 9 , wherein the two apertures of said rotating cylinder are positioned at 90° one from the other and said primary waste pipe and said secondary waste pipe are positioned at 90° one from the other. 
     
     
         11 . System according to  claim 9 , wherein the two apertures of said rotating cylinder are positioned axially aligned and said primary waste pipe and said secondary waste pipe are positioned on two crosswise planes axially staggered and misaligned and each having its axis orthogonal to the axis of the pipe. 
     
     
         12 . System according to  claim 1 , wherein said diverting means comprise a first truncated cone-shaped element which fits on a second truncated cone-shaped element, both hollow and provided with respective closed minor bases for rotation coupling along the axis and open major bases facing said primary waste pipe, the lateral wall of both first and second elements comprising an aperture being superimposable thanks to the rotation of said first element on said second element for draining water into said primary waste pipe. 
     
     
         13 . System according to  claim 1 , wherein said diverting means are a rotating disc having two circumferential holes for the sewage waste pipe or recovery waste pipe in an alternative way and a central hole for the engagement with a rotating pin of the waste pipe, and wherein the waste pipe comprises a first cylindrical portion and a second discoid portion, the second portion comprising a first surface wherefrom an annular band raises to guide the insertion of the rotating disc and besides comprising two holes communicating respectively with said recovery waste pipe and said sewage waste pipe and such to cooperate alternatively with the holes of the rotating disc. 
     
     
         14 . System according to  claim 7  further comprising first engaging elements integral with said seat and adapted to cooperate with second engaging elements integral with said control to rotatably activate said means for diverting water. 
     
     
         15 . System according to  claim 14 , wherein said first elements are a plurality of walls spaced by spaces for the precise insertion of said second elements formed by feet. 
     
     
         16 . System according to  claim 13 , wherein said disc of said diverting means comprises at least a further through hole connected with a corresponding tower in order to drain water into the sewage waste pipe should water from the recovery waste pipe go back towards the drain. 
     
     
         17 . System according to  claim 1 , wherein the bottom of the waste pipe comprises an inclined plane with an incline from the recovery waste pipe to the sewage waste pipe. 
     
     
         18 . System according to  claim 1 , wherein said means for diverting the water flow have the shape of a cylindrical container having a circular bottom and an annular lateral wall, the bottom inner surface having a ramp-shaped portion inclined towards two holes each connected either with the recovery waste pipe or with the sewage waste pipe. 
     
     
         19 . System according to  claim 1 , comprising stop means to stop the rotation of the means for diverting water flow with respect to the waste pipe. 
     
     
         20 . System according to  claim 19 , wherein said stop means comprise two circumferential steps formed on the inner wall of a cylindrical sleeve in continuity with the central hole of the diverting means, said steps cooperate with a radial tooth formed on the outer surface of the base of said pin of the waste pipe. 
     
     
         21 . System according to  claim 1 , wherein said waste pipe comprises a first portion connected with said sewage waste pipe and said recovery waste pipe and a second lid-shaped portion having a bottom and a lateral wall, the bottom is perforated and provided with a ring nut for fixing to a drain and provided with a sleeve for the connection with a supplementary waste pipe, while the lateral wall ends with a flange for fixing to the first portion. 
     
     
         22 . System according to  claim 1 , wherein the bottom of the rotating cylinder or the bottom of the waste pipe is provided with a timer for repositioning the rotating cylinder from the position of recovery system to the position of the primary sewage system, said timer being controlled by means of a rotation of the rotating cylinder given by said control pin.