Water Drainage Device for a Sanitary Facility, Such as a Floor-Level Shower Area

Abstract

A water drainage device for sanitary installations, such as in a walk-in shower stall. The device includes: a pan-shaped water drainage element that is fluidically connected or connectable, to a drain pipe; a channel cover that is inserted into the water drainage element and that covers the water drainage element; and at least one height adjustment unit for the channel cover that includes a foot part and a head part.

1 - 26 . (canceled) 
     
     
         27 . A water drainage device ( 100 ) for a sanitary installation, comprising:
 an oblong, pan-shaped water drainage element ( 3 ), which is open toward the top when installed and to which a drain pipe ( 5 ) is fluidically connected, or can be fluidically connected;   a channel cover ( 4 ), which is inserted into the water drainage element ( 3 ) and covers the water drainage element ( 3 ) toward the top when installed, at least one opening ( 9 ) remaining in or on the channel cover for feeding waste water into the water drainage element ( 3 ); and   at least one height adjustment unit ( 10 . 1 ;  10 . 2 ;  10 . 3 ;  10 . 4 ;  10 . 5 ;  10 . 6 ;  10 . 7 ;  10 . 8 ) for a channel cover ( 4 ), comprising a foot part ( 2 ) and a head part ( 1 ), the height of which in relation to the foot part ( 2 ) can be adjusted,   wherein:
 the head part ( 1 ) comprises a support element ( 7 ) that is compatible with the channel cover ( 4 ) and faces away from the foot part ( 2 ) and that is non-positively or positively connected to the channel cover ( 4 ); 
 the water drainage element ( 3 ) comprises at least one recess ( 6 ) on which the foot part ( 2 ) is loosely supported; and 
 the entire height adjustment unit ( 10 . 1 ;  10 . 2 ;  10 . 3 ;  10 . 4 ;  10 . 5 ;  10 . 6 ;  10 . 7 ;  10 . 8 ) being removable from the channel-shaped water drainage element ( 3 ), and being insertable into the water drainage element ( 3 ), together with the channel cover ( 4 ). 
   
     
     
         28 . The water drainage device ( 100 ) according to  claim 27 , wherein the channel cover ( 4 ) is planar and strip-shaped, or profiled, preferably in the form of a U or H profile. 
     
     
         29 . The water drainage device ( 100 ) according to  claim 27 , wherein the head part ( 1 ) is detachably connected to the channel cover ( 4 ). 
     
     
         30 . A water drainage device ( 100 ) according to  claim 27 , wherein the support element ( 7 ) engages in the interior ( 14 ) of the channel cover ( 4 ) in a clamping and/or latching manner. 
     
     
         31 . A water drainage device ( 100 ) according to  claim 27 , wherein the support element ( 7 ) is a section of a U profile, at the at least one U limb ( 17 . 1 ,  17 . 2 ) of which at least one outwardly projecting detent protrusion ( 11 . 1 ,  11 . 2 ) is disposed, by way of which a pressure force is exerted on a U limb ( 8 . 1 ,  8 . 2 ) of the channel cover ( 4 ). 
     
     
         32 . The water drainage device ( 100 ) according to  claim 31 , wherein at least one cut-out ( 12 ), in which the detent protrusion ( 11 . 1 ,  11 . 2 ) engages, is incorporated on at least one U limb ( 8 . 1 ,  8 . 2 ) of the channel cover ( 4 ). 
     
     
         33 . The water drainage device ( 100 ) according to  claim 27 , wherein the recess ( 6 ) comprises at least two steps. 
     
     
         34 . A water drainage device ( 100 ) according to  claim 27 , wherein the recess ( 6 ), in a projection onto the water drainage element ( 3 ) is at least partially polygonal, circular or oval. 
     
     
         35 . A water drainage device ( 100 ) according to  claim 27 , wherein the foot parts ( 2 ) and/or the recesses ( 6 ) have a conical design at least regionally. 
     
     
         36 . A water drainage device ( 100 ) according to  claim 27 , wherein the foot part ( 2 ) is adapted without play to the recess ( 6 ). 
     
     
         37 . A water drainage device ( 100 ) according to  claim 27 , wherein the foot parts ( 2 ) and/or the recesses ( 6 ) comprise at least one groove ( 21 ), which is suitable for accommodating a sealing element ( 22 ). 
     
     
         38 . A water drainage device ( 100 ) according to  claim 27 , wherein the foot parts ( 2 ) are mounted on load distribution elements ( 18 ). 
     
     
         39 . A water drainage device ( 100 ) according to  claim 27 , wherein, together with the foot part ( 2 ), the head part ( 1 ) forms a screw connection ( 20 ). 
     
     
         40 . The water drainage device ( 100 ) according to  claim 39 , wherein the head part ( 1 ) and the foot part ( 2 ) of the height adjustment unit ( 10 . 1 ;  10 . 2 ;  10 . 3 ;  10 . 4 ;  10 . 8 ) can be adjusted by way of mutually engaging threaded elements, the head part ( 1 ) preferably comprising an external thread ( 23 ) and the foot part ( 2 ) preferably comprising an internal thread ( 24 ). 
     
     
         41 . The water drainage device ( 100 ) according to  claim 39 , wherein a measuring scale ( 25 ) is incorporated on the head part ( 1 ) or on the foot part ( 2 ). 
     
     
         42 . The water drainage device ( 100 ) according to  claim 41 , wherein the measuring scale ( 25 ) is provided on a surface ( 26 ) or on a thread-free jacket ( 68 ) of the foot part ( 2 ) or of the head part ( 1 ). 
     
     
         43 . The water drainage device ( 100 ) according to  claim 39 , wherein a locking element ( 19 ) is provided on the screw connection ( 20 ), by way of which the head part ( 1 ) can be fixed in relation to the foot part ( 2 ). 
     
     
         44 . A water drainage device ( 100 ) according to  claim 39 , wherein the height of the head part ( 1 ) or the foot part ( 2 ) is adjustable by severing the head part ( 1 ) or the foot part ( 2 ) along a groove ( 77 ), which is defined by a plane (E) extending parallel to the visible surface ( 69 ) of the installed channel cover ( 4 ). 
     
     
         45 . The water drainage device ( 100 ) according to  claim 43 , wherein the locking element ( 19 ) is a threaded bushing ( 27 ) or an expansion cone ( 57 ), which braces the foot part ( 2 ) with respect to the head part ( 1 ) by way of a screw ( 28 ). 
     
     
         46 . The water drainage device ( 100 ) according to  claim 43 , wherein the locking element ( 19 ) is a grub screw ( 29 ), which can be rotated through a threaded borehole ( 37 ) extending transversely to the internal thread ( 24 ) of the foot part ( 2 ) until the grub screw ( 29 ) exerts a pressing force on the head part ( 1 ), so that the head part ( 1 ) and the foot part ( 2 ) are braced with respect to each other. 
     
     
         47 . A water drainage device ( 100 ) according to  claim 27 , wherein the head part ( 1 ), together with the foot part ( 2 ), forms a detent connection ( 30 ), in which the head part ( 1 ) and the foot part ( 2 ) are braced with respect to each other under a spring force (F) that is directed perpendicularly to the support element ( 7 ), the head part ( 1 ) and the foot part ( 2 ) each comprising detent elements ( 31 ;  32 ) having offset heights. 
     
     
         48 . The water drainage device ( 100 ) according to  claim 47 , wherein the head part ( 1 ) and the foot part ( 2 ) of the height adjustment unit ( 10 . 5 ) in each case comprise a retaining device ( 33 ) for a spring ( 48 ), preferably a helical tension spring. 
     
     
         49 . The water drainage device ( 100 ) according to  claim 48 , wherein the retaining device ( 33 ) comprises a cotter pin or a cross pin ( 34 ), on which the helical tension spring is suspended, the cross pin ( 34 ) being longer than the inner diameter of an opening ( 35 ) of the support element ( 7 ) and, in corresponding fashion, of an opening ( 36 ) of the foot part ( 2 ). 
     
     
         50 . A water drainage device ( 100 ) according to  claim 27 , wherein the foot part ( 2 ) comprises a threaded sleeve ( 38 ), a clamping element ( 39 ), a clamping plate ( 40 ) having a threaded borehole ( 41 ) and a screw ( 42 ), a deformation of the clamping element ( 39 ) taking place as a result of the tightening of the screw ( 42 ), which brings about an anti-turn mechanism of the thread. 
     
     
         51 . A water drainage device ( 100 ) according to  claim 27 , wherein the head part ( 1 ) and the foot part ( 2 ) comprise mutually contacting wedge surfaces ( 15 . 1 ,  15 . 2 ), which can be fixed in relation to each other by a fixing device ( 16 ). 
     
     
         52 . The water drainage device ( 100 ) according to  claim 51 , wherein:
 the fixing device ( 16 ) comprises a screw ( 43 ) and two pivot bearings ( 44 . 1 ;  44 . 2 ), which extend perpendicularly to the U limbs ( 17 . 1 ,  17 . 2 ) of the support element ( 7 ) and each comprise a bearing pin ( 45 . 1 ;  45 . 2 ), the one pivot bearing ( 44 . 1 ) being disposed on the head part ( 1 ), and the other pivot bearing ( 44 . 2 ) being disposed on the foot part ( 2 );   the one bearing pin has a threaded borehole ( 46 ) for accommodating the screw ( 43 ), and the other bearing pin has a through-hole ( 47 ), which is slightly larger than the thread diameter of the screw ( 43 ); and   the head part ( 1 ) and the foot part ( 2 ) are connected to each other via the screw ( 43 ), so that the rotating of the screw ( 43 ) brings about a change in a distance (A) between the center lines of the bearing pins ( 45 . 1 ;  45 . 2 ), and thus an upward or downward gliding of the head part ( 1 ) relative to the foot part ( 2 ).