Wastewater Drain With Odor Trap

Abstract

A wastewater drain including an odor trap that includes a shallow housing ( 3 ), a cover ( 12 ) that can be connected to the shallow housing, and an inlet connector connected to the cover ( 12 ). The wastewater drain is a jacket-shaped, preferably cylindrical, base insert is placed in the receptacle forming the edge of the depression, connected in a sealed manner to the shallow housing ( 3 ) and ends beneath the cover side, forming a retaining wall, and a drainage channel surrounding the retaining wall of the base insert is formed, which opens into the lateral discharge opening of the discharge connector and has a gradient contour which is inclined toward this connector. Also disclosed is a shower base element ( 2 ) including a wastewater drain ( 1 ), in which the wastewater drain ( 1 ) is integrated in the shower base element ( 2 ).

1 . A wastewater drain ( 1 ) comprising an odor trap, comprising:
 a shallow housing ( 3 ) having a base ( 4 ), a housing side wall ( 5 ) which is closed with the exception of a lateral discharge opening ( 18 ), and a cover side ( 7 ) which is open toward the top and located opposite the base ( 4 );   a cover ( 12 ) which can be connected to the shallow housing ( 3 ) and has a cover side wall ( 13 ), which protrudes into the shallow housing ( 3 ) when installed; and   an inlet connector ( 16 ), which is connected to the cover ( 12 ) and ends with a downwardly protruding, tubular drain ( 49 ) above a depression ( 61 ) which is introduced in the base ( 4 ), the inlet connector being surrounded by an odor trap assembly,   characterized in that   a jacket-shaped, preferably cylindrical, base insert ( 9 ) is placed in a receptacle ( 8 ) forming the edge of the depression ( 61 ), connected in a sealed manner to the shallow housing ( 3 ) and ends beneath the cover side, forming a retaining wall ( 22 ), and   a drainage channel ( 33 ) is formed surrounding the retaining wall ( 22 ) of the base insert ( 9 ), which opens into the lateral discharge opening of the discharge connector ( 18 ) and has a gradient contour ( 43 ) which is inclined toward this connector.   
     
     
         2 . The wastewater drain according to  claim 1 , characterized in that the cover ( 12 ) comprises an attachment ( 14 ), which has a receptacle ( 15 ) for the inlet connector ( 16 ) and a cover face ( 17 ) surrounding the attachment ( 14 ). 
     
     
         3 . The wastewater drain according to  claim 1 , characterized in that an adapter piece ( 46 ) is provided with a receptacle ( 24 ), which is connected to a drainage connector ( 6 ) of the shallow housing. 
     
     
         4 . The wastewater drain according to  claim 1 , characterized in that a dome ( 10 ), which forms a support element for a cover grate ( 11 ), projects upward centrally from the depression ( 61 ). 
     
     
         5 . The wastewater drain according to  claim 4 , characterized in that the dome ( 10 ) projecting upward from the depression ( 61 ) has a contour which is advantageous in terms of flow, whereby water flowing into an inlet chamber ( 53 ) through the cover ( 12 ) is transferred into an intermediate chamber ( 52 ) with low resistance. 
     
     
         6 . The wastewater drain according to  claim 4 , characterized in that the dome ( 10 ) has a conical shape. 
     
     
         7 . A wastewater drain according to  claim 1 , characterized in that two annular faces (A 1 ; A 2 ) are formed at the level of a lower edge ( 27 ) of the inlet connector ( 16 ), wherein:
 the inner annular face (A 1 ) is delimited on the inside by an outer contour ( 28 ) of the dome ( 10 ) and on the outside by an inner contour ( 29 ) of the inlet connector ( 16 );   the outer annular face (A 2 ) is delimited on the inside by the outer contour ( 30 ) of the inlet connector ( 16 ) and on the outside by an inner contour ( 31 ) of the base insert ( 9 );   and the size of the inner annular face (A 1 ) is approximately 50% to 65% of the size of the outer annular face (A 2 ).   
     
     
         8 . The wastewater drain according to  claim 1 , characterized in that the vertical distance (H 1 ) between an upper edge ( 32 ) of the base insert ( 9 ) and a lower edge ( 27 ) of the inlet connector ( 16 ) is less than 40 mm. 
     
     
         9 . The wastewater drain according to  claim 1 , characterized in that the center (M 1 ) of the tubular base insert ( 9 ) is arranged offset relative to the side on which the drainage connector ( 6 ) is disposed, whereby the drainage channel ( 33 ) continuously widens, starting from a narrowest point ( 34 ) opposite the drainage connector ( 6 ) in the direction of the drainage connector ( 6 ). 
     
     
         10 . The wastewater drain according to  claim 1 , characterized in that a drainage connector ( 6 ) of the shallow housing ( 3 ) has a horizontal opening width (W 1 ) and a vertical opening width (W 2 ), (W 1 ) being greater than (W 2 ). 
     
     
         11 . The wastewater drain according to  claim 3 , characterized in that the shallow housing ( 3 ) is integrally connected to the adapter piece ( 46 ). 
     
     
         12 . The wastewater drain according to  claim 11 , characterized in that a channel ( 26 ) located inside the adapter piece ( 46 ) tapers away from the receptacle ( 24 ) in the direction of an outlet connector ( 25 ) and transitions into a round tube. 
     
     
         13 . A wastewater drain according to  claim 1 , characterized in that a support element ( 39 ) is provided in the shallow housing ( 3 ) in the region of a transition ( 38 ) to a drainage connector ( 6 ), the element supporting the cover ( 12 ). 
     
     
         14 . A wastewater drain according to  claim 1 , characterized in that a height equalization element ( 47 ) is provided, which can be connected to an attachment ( 14 ) of the cover ( 12 ). 
     
     
         15 . A shower base element ( 2 ) comprising a wastewater drain ( 1 ) according to  claim 1 , characterized in that the wastewater drain ( 1 ) is integrated in the shower base element ( 2 ). 
     
     
         16 . The shower base element ( 2 ) according to  claim 15 , characterized in that a total height (H) of the shower base element ( 2 ) is no more than 65 mm. 
     
     
         17 . The shower base element according to  claim 15 , characterized in that an upper side ( 40 ) of the shower base element ( 2 ), in the region of the wastewater drain ( 1 ), comprises a penetration ( 48 ) which is suitable for accommodating an attachment ( 14 ) of the cover ( 12 ) with precise fit, no further penetrations being present on the upper side ( 40 ) of the shower base element in the region of a drain pan ( 41 ). 
     
     
         18 . A method for producing a shower base element ( 2 ) according to  claim 1 , characterized by the following method steps:
 a. providing a bed plate ( 42 );   b. introducing a gradient contour ( 60 ) on one side of the bed plate ( 42 ), the contour being directed toward the drain;   c. coating the bed plate ( 42 ) with a mortar coating ( 44 );   d. introducing a three-dimensional contour in the bed plate ( 42 ), the contour corresponding to a contour of the wastewater drain ( 1 ); and   e. connecting the wastewater drain ( 1 ) to the bed plate ( 42 ).