DK2995733T3 - Wall drain for a shower - Google Patents

Description

The invention relates to a wall-mounted drain channel for a shower according to the preamble of claim 1, which channel can be attached using pre-wall technology.

Drain channels known from DE 10 2011 053 644 A1 are installed in the floor surface of a shower in order to drain off water that accumulates when the shower is in use, and to guide said water to a discharge. Drain channels of this kind are designed such that they are as inconspicuous as possible in the shower and interfere with the overall image of the shower as little as possible. In addition, the known drain channels are characterised by a particular variability, since the materials provided to the installer are provided in greater lengths and the materials can adapted to the desired length at the installation site. However, these drain channels are still considered to be disadvantageous in that the structure of the drain channel that is visible from the outside occupies part of the floor surface.

The prior art also discloses wall-mounted drain channels having, as a water passage, a precisely specified gap in the corner edge (chamfer) between the perpendicular wall and the floor. Whilst said water drain does not occupy any of the surface of the floor, its construction is time-consuming and inflexible. On account of the significant installation depth of said wall-mounted drain channels, the bare masonry or the lightweight framework has to be specially designed by accordingly forming recesses. DE 10 2013 101 207 A1 discloses a drain device that can be arranged at least in part in a floor of a compartment adjacently to a wall, such that an outlet opening can be formed in the region of the lower edge of the wall. The drain device comprises a drain housing that can be inserted in the floor of a compartment, that comprises a water inlet opening and that can be placed in fluid communication with a drain pipe. Furthermore, the drain device comprises an odour trap, through which water can flow into the drain housing and/or the drain pipe, and receiving means for the odour trap, which allow the odour trap to be arranged in a first position and a second position when the drain housing is inserted in the floor, the drain connection of the odour trap facing forwards in the first position and the drain connection of the odour trap facing to the rear in the second position when said odour trap is installed. The drain device also comprises a drain channel that has an L-shaped cross section and a leg which is vertical when said channel is installed and which projects upwards into the wall structure, and that has, in the region of the water inlet opening, a horizontal leg that is used as a channel base. When fully installed, the vertical leg of the drain channel projects behind the lowermost wall tile and is surrounded by two sealing strips. The horizontal leg of the drain channel that is used as the channel base is then arranged under the lowermost wall tile such that the drain channel does not project beyond the wall tile into the compartment. A tile finishing strip is arranged on the lower edge of the lowermost wall tile and defines thereabove a drain opening through which water can flow into the drain channel integrated into the wall structure. DE 10 2013 101 207 A1 does not contain any further details regarding the mounting of the tile finishing strip.

The problem addressed by the invention is that of providing a wall-mounted drain channel of the type mentioned at the outset, the installation of which is simpler and more flexible compared with conventional wall-mounted drain channels and the gap height of which can be conveniently and variably adjusted.

This problem is solved according to the invention by a wall-mounted drain channel having the features specified in claim 1. Preferred and advantageous embodiments of the wall-mounted drain channel according to the invention are specified in the dependent claims.

The wall-mounted drain channel for a shower according to the invention, which can be installed using pre-wall technology, comprises a drain channel, a wall unit arranged above the drain channel for attaching a wall covering, in particular tiles, and a floor unit arranged next to the drain channel for laying a floor covering, in particular tiles, the dimensions of the drain channel, the wall unit and the floor unit being selected such that a vertical gap is formed as a water drain in the corner edge (chamfer) between the wall covering and the floor covering, the water drain being in fluid communication with the drain channel, the wall unit being attachable to a wall structure in pre-wall technology, and a wall covering strip being provided which can be attached at different heights to a vertical flange portion of the wall unit and has a stop edge arranged at the bottom for attaching a wall covering, such that the height of the vertical gap can be adjusted before the wall covering and the floor covering are attached. The wall-mounted drain channel according to the invention is also characterised in that the wall covering strip has at least two rows of holes, each of which rows has a predetermined grid of distances from the stop edge, and in that at least one longitudinally extending groove is provided in the vertical flange portion of the wall unit, into which groove one or more screws, which can be inserted into the holes, can be screwed. In the context of this application, pre-wall technology is understood to mean that the construction materials used can be applied to an existing structural unit without the structural unit needing to be changed. Therefore, in particular no recesses for receiving the drain channel or other components need to be made in existing masonry. A structural unit is understood firstly to mean wall structures such as a bare wall before plaster has been applied, or bare flooring before a floor covering, in the form of tiles, for example, has been laid. A structural unit is understood secondly to mean an erected framework of a lightweight wall or a lightweight flooring before a covering in the form of sheets of a panelling has been attached.

According to the invention, a vertical gap is thus produced using pre-wall technology as a water drain through which the accumulating water can drain away when the shower is in use. The entire floor surface can thus be occupied by the floor covering, preferably by tiles, and there is no different surface finish of a horizontally extending drain, since the water flows through the formed gap to the side of an edge between the wall and the floor. The height of the gap is preferably approximately 15 mm to 25 mm, in particular 20 mm.

On account of a small installation depth of, for example, 25 mm, a wall-mounted drain channel according to the invention can therefore be inserted in plaster or in a lightweight wall, and therefore the masonry standard DIN 1053-1 can be adhered to. There is therefore no requirement for special recesses or support elements in the wall structure either. Furthermore, it is advantageous that the water is drained over the entire surface of the gap and there is therefore no need for sloped profiling in the floor covering. Equally, the small installation depth means that sufficient sound insulation can be achieved at the installation site. Finally, a narrow gap of the water drain gives a discreet and high-quality impression.

On account of the vertical adjustment of the wall unit of the wall-mounted drain channel according to the invention, the height of the vertical gap can be adjusted before the wall covering and the floor covering are attached. On account of this variability, it is possible to take into account the thicknesses, in particular those of the floor covering, and to set a suitable gap height in each case. This is because the selection of the floor covering results in floor coverings having different thicknesses, for example in the case of a floor covering consisting of particularly thin glass or ceramic materials in comparison with a floor covering consisting of natural stone slabs.

For the variable height adjustment, a wall covering strip is provided which can be attached at different heights to the vertical flange portion of the wall unit and has a stop edge arranged at the bottom for attaching a wall covering. The wall covering strip therefore specifies the lower edge of the lower elements of the wall covering such the height of the gap can be adjusted by different vertical positions of the wall covering strip.

Since, according to the invention, the wall covering strip has at least two rows of holes, each of which rows has a predetermined grid of distances from the stop edge, and at least one longitudinally extending groove is provided in the vertical flange portion of the wall unit, into which groove one or more screws, which can be inserted into the holes, can be screwed, it is possible to adjust the vertical gap in a variable, convenient and reliable manner. The screw connection according to the invention reliably prevents the wall covering strip from sliding down towards the floor covering before the adhesive used to attach the wall covering has cured. A preferred design solution of the wall-mounted drain channel according to the invention is characterised in that the wall unit, the floor unit and the drain channel are formed as a continuous element. Therefore, a substantial portion of the wall-mounted drain channel can be made and delivered as a part that can be cut to length and that can be adjusted to the specified length at the installation site when a new shower is installed. The wall-mounted drain channel is thus preferably designed such that the known flexible concept of a variable shower channel can be applied.

It is also preferred for the floor unit to comprise a horizontally extending flange portion, the vertical flange portion being arranged above the drain channel and the horizontal flange portion being arranged at the side of the drain channel. The vertical flange portion is used for attaching wall covering elements, and the horizontal flange portion is used for attaching floor covering elements.

The vertical flange portion can be connected to the wall structure and to the floor structure using suitable, per se known means before the wall and the floor coverings, preferably the tiles, are attached. The boundaries of the elements of the covering to be attached, preferably the tiles, can then be fixed by accordingly designed stop strips or stop ribs .

Preferably, the thickness, in particular the thickness of the vertical flange portion, is selected such that the plaster to be applied to the bare wall structure and the panels to be attached are substantially aligned with the flange portion and therefore any possible unevenness can be compensated when adhering the wall covering elements.

The horizontal flange portion can be arranged on the underlying floor using per se known fastening or support elements such that a clearance is formed between the horizontal flange portion and the underlying floor for arranging a waste water line and a trap.

It is also preferred for a rib to be arranged between the drain channel and the floor unit and for the upper side of the rib to form part of the lower boundary of the vertical gap of the water drain. The rib thus forms the stop position of the elements of the floor covering. If the rib is no higher than the minimum height of the floor covering to be laid, this results, for all floor coverings, in the rib not being visible or being only barely visible in the vertical gap. Nonetheless, the rib in part defines the gap through which the water flows into the drain channel.

The lower side of the stop edge of the wall covering strip likewise forms part of the upper boundary of the vertical gap of the water drain. Since the stop edge is likewise preferably no wider than the minimum thickness of the elements of the wall covering to be attached, the stop edge does not project beyond the wall covering, in particular beyond the tiles, either .

Furthermore, the drain channel can have a width that is adapted to the thickness of the vertical flange portion. This ensures that, when the wall covering elements and the floor covering elements have been laid, the entire width of the drain channel is covered by the structure of the vertical flange portion and by the wall covering elements. This also makes it possible to ensure that the edge of the floor covering elements associated with the drain channel is also covered in part at least by the wall covering elements.

It is also preferred for at least one rib strip to be provided in the opening in the vertical gap. This rib strip is preferably held so as to be detachable and can act as a protective grating such that a user's toes are not able to pass into the gap and that smaller objects cannot be washed away through the gap either. The rib is also designed so as to be detachable such that the rib strip can be detached for cleaning purposes and the drain channel can be accessed.

The water drain slot can, for example, have an overall height of 20 mm that is divided into two 8 mm free regions and the 4 mm height of the rib. The configuration of the rib and the gap height, or the free region of the gap, and different designs can be freely selected.

In addition, the horizontal position of the rib strip can be adjustable and thus the installation depth thereof can be designed so as to be variable, and therefore the front edge of the rib strip that faces the shower can be adapted to the thickness of the wall covering to be attached and, for example, can be oriented so as to be flush. This also results in the water-guiding part of the wall-mounted drain channel being visually concealed from a user of the shower. A further advantageous embodiment of the wall-mounted drain channel according to the invention is characterised in that, when the wall covering strip is mounted, the particular row of holes in the wall covering strip extends obliquely to the horizontal and forms an angle together with the horizontal in the range of from 10° to 45°, preferably from 10° to 35°. This makes it possible to minimise, with regard to the vertical height adjustment of the vertical gap, the grid that results from the distance of the holes from one another. This makes it possible for the vertical gap optionally to be almost continuously adjustable.

According to a further advantageous embodiment, the wall-mounted drain channel according to the invention is provided with at least one bracket element for mounting on a wall or on a pre-wall element, the wall-mounted drain channel being held in the bracket element so as to be able to move horizontally. This makes it possible to conveniently adjust the horizontal position of the wall-mounted drain channel with respect, for example, to a drain line and/or to a tile joint grid. For this purpose, the particular bracket element preferably comprises a shoulder on which the wall-mounted drain channel can be placed in an interlocking manner when the bracket element is mounted. Furthermore, the particular bracket element is preferably provided with a clamping piece that can move vertically and can be interlockingly connected to an upper edge of the wall unit and fixed in place by means of a screw.

The present invention will be explained in greater detail below with reference to an embodiment and to the accompanying drawings, in which:

Fig. 1 is a perspective view of a wall-mounted drain channel according to the invention;

Fig. 2 is a perspective exploded view of the wall-mounted drain channel according to Fig. 1;

Fig. 3 is a perspective detailed view of the wall-mounted drain channel according to Fig. 1;

Fig. 4 is a perspective detailed view of the wall-mounted drain channel according to Fig. 1 comprising an installed rib; and

Fig. 5 is a partly sectional side view of the wall-mounted drain channel according to Fig. 1.

The drawings show an embodiment of a wall-mounted drain channel 10 according to the invention for a shower, which channel can be attached using pre-wall technology. Thus, the wall-mounted drain channel 10 can be installed in a shower that is to be newly constructed or renovated without interfering with the wall structure.

The wall-mounted drain channel 10 comprises a drain channel 20 and a wall unit 30 arranged above the drain channel 20 for attaching a wall covering, in particular tiles, and a floor unit 40 arranged next to the drain channel 20 for laying a floor covering, in particular tiles.

The dimensions of the drain channel 20, the wall unit 30 and the floor unit 40 are selected such that, after the wall covering and the floor covering have been attached, a vertical gap 50 is formed as a water drain in the corner edge, also referred to as the chamfer, between the wall covering and the floor covering. The water drain is thus in fluid communication with the drain channel 20.

The drain channel 20 is connected to a drain unit 21 such that water that drains off via the vertical gap 50 can be guided to a water disposal system, in particular a drain line. A screen 22 is arranged upstream of the drain unit 21 inlet in order to retain course particles and small objects, such as screw caps from shower gel or hair shampoo bottles, upstream of the drain unit inlet.

In the embodiment shown, the wall unit 30, the floor unit 40 and the drain channel 50 are designed as an integral continuous element, and therefore said element, in the form of a material that can be cut to length, can be adapted to the given dimensions at an installation site. The wall-mounted drain channel 10 is produced, for example, from plastics material by injection moulding or from a light metal by pressure die casting.

The wall unit 30 comprises a vertically extending flange portion 31, and the floor unit 40 comprises a horizontally extending flange portion 41. The vertical flange portion 31 is arranged above the drain channel 20, and the horizontal flange portion 41 is arranged at the side of the drain channel 20.

The vertical flange portion 31 and the horizontal flange portion 41 thus define the drain channel 20.

The vertical flange portion 31 of the wall unit 30 can be fastened to a wall structure (not shown) and is used for attaching wall covering elements. By contrast, the horizontal flange portion 41 of the floor unit 40 is used for attaching floor covering elements.

If the wall unit 30 is fastened to or arranged on a wall structure such as a bare wall or a lightweight framework structure using fastening means 60, and the floor unit 40 is fastened to or arranged on the underlying surface using fastening means 70, the elements of a wall covering, for example tiles, can then be connected to the vertical flange portion 31, a lower edge of the wall covering being formed by the wall covering elements. Furthermore, floor covering elements, also preferably in the form of tiles, can be fastened to the floor unit 40. If the wall covering elements are positioned such that the lower edge thereof is at a distance from the floor covering elements, the vertical gap 50 is formed as a water drain in the corner edge between the wall covering and the floor covering. In the present case, the fastening means 60 and 70 are formed or interconnected by a common bracket element 61. The fastening means 70 make it possible to adjust the height of the wall-mounted drain channel relative to a bare floor, for example a concrete floor. For this purpose, the fastening means 70 comprises a threaded rod 71, the lower end of which is provided with a base element 72. The bracket element 61 comprises, in a substantially horizontally angled portion 62, a through-hole or recess 63 for guiding the threaded rod 71 through and for tightening nuts 73 screwed onto the threaded rod.

The bracket element(s) 61 is/are designed such that the wall-mounted drain channel 10 can be inserted or pre-mounted therein so as to be able to move horizontally. For this purpose, the particular bracket element 61 comprises a shoulder 64 on which the wall-mounted drain channel 10 can be placed when the bracket element 61 is mounted. The shoulder 64 is provided with an upwardly projecting ridge 65 that is used as a stop and a guide for a longitudinal edge 25 which is formed on the lower side of the wall-mounted drain channel 10 and which preferably projects slightly horizontally on the lower side of the drain channel 20. A channel-shaped sliding guide 66 is provided on the vertical portion of the bracket element 61, in which guide a longitudinal rib or longitudinal bead 38 engages, which rib or bead is formed on the rear of the wall unit 30 and extends substantially horizontally when the wall-mounted drain channel 10 is pre-mounted. The longitudinal rib or longitudinal bead 38 extends preferably over the entire length of the wall unit 30. The fastening means 60 comprise clamping pieces 67 that can move vertically on the bracket element 61 and, when pre-mounted and also fully mounted, engage around the upper edge of the wall unit 30 on the front or engage in an upper longitudinal groove 39 of the edge. By screwing in or tightening at least one screw 68 inserted into the clamping piece 67, the wall-mounted drain channel is detachably fastened to the particular bracket element 61 and in particular secured against horizontal movement.

Since the structure, in particular that of the wall unit 30 and also the floor unit 40, is flat (for example, a thickness of 25 mm is not exceeded), the described structure can be installed using pre-wall technology.

As explained below on the basis of the example shown, the height of the vertical gap 50 can be adjusted before the wall covering and the floor covering are attached. For this purpose, a wall covering strip 32 is provided which can be attached at different heights to the vertical flange portion 31 and has a stop edge 33 arranged at the bottom for attaching a wall covering.

The variability of the height adjustment of the wall covering strip 32 is made possible by at least two rows of bores or holes 34, each of which rows has a predetermined grid of distances from the stop edge 33. By means of at least one screw 35, preferably a plurality of screws 35, the wall covering strip 32 can be fastened in a longitudinally extending groove 36 of the vertical flange portion 31. Depending on the bore 34 selected, the result is a specific height adjustment between the lower edge of the stop edge 33 and the horizontal flange unit 41. This ultimately defines the height of the gap 50.

The bores or holes 34 of the particular row lie substantially on a straight line. The straight line or the row of holes extends preferably not vertically, but rather obliquely to the horizontal. For example, the straight line or the row of holes forms an angle a together with the horizontal in the range of from 10° to 45°, preferably from 10° to 35° (cf. Fig. 1).

When a specific height adjustment has been fixed, the portion 37 of the wall covering strip 32 that extends towards the vertical flange portion 31 seals the arrangement against the ingress of fluid.

Furthermore, a rib 23 is provided that is arranged between the drain channel 20 and the floor unit 40 or the horizontal flange unit 41. The upper side 24 of the rib 23 forms part of the lower boundary of the vertical gap 50 of the water drain. At the same time, as described, the lower side of the stop edge 33 of the wall covering strip 32 forms part of the upper boundary of the vertical gap 50 of the water drain. This results in the remaining gap 50 in the shower after the wall covering elements and the floor covering elements have been attached, through which gap the water can drain away when the shower is in use.

The vertical flange portion 31 has an overall thickness that is adapted to the thickness of plaster applied to the wall structure or to the thickness of a panel structure applied to the wall structure. Preferably, the thickness is approximately 25 mm.

Furthermore, the drain channel 20 has a width that is adapted to the thickness of the vertical flange portion 31 such that the wall covering elements cover the drain channel 20 even if a wall covering that is as thin as possible is applied. Thus, the actual drain channel 20 is only slightly visible or not visible at all. Only a gap 50 that extends in a lower edge of the shower cubicle is seen.

In a preferred manner, Fig. 1 to 5 show a rib strip 51 that is provided in the opening in the vertical gap 50. For this purpose, holders 52 are provided on the ends of said strip and holders 53 arranged at preferably regular intervals in the longitudinal extension are provided, which holders retain the rib strip 51 in a vertical position and in a manner giving a visual appearance of floating. For this purpose, the holders 52 and 53 each comprise a retaining groove adapted to the thickness of the rib strip 51.

As can also been seen from Fig. 2, the wall-mounted drain channel 10 can comprise further individual parts such as a seal 90, a corner finishing part 91 and a wall finishing part 92 .

Claims (12)

1. A wall drain for a shower, - with a drain channel (20), - with a wall (30) arranged above the drain channel (20) for applying a wall covering, especially tiles, and - with a floor unit (40) arranged next to the drainage channel (20) for laying a floor covering, especially tiles, - wherein the dimensions of the drainage channel (20), the wall unit (30) and the floor unit (40) are chosen so that at the corner edge between the wall covering and the floor covering is formed a vertical slit (50) as a water drain, - where the slit (50) is connected flow-technically with the drain gutter (20), - where the wall unit (30) can be placed on a wall construction by a prewash technique, and - where a wall covering strip is provided. (32), which can be mounted on a vertical flange section (31) of the wall unit (30) at a variable height, and having a stop edge (33) disposed below for application of a wall covering such that the height of the vertical gap (50) can be set before the wall covering and the floor covering are arranged, characterized in that the wall covering strip (32) has at least two rows of bores (34), each having a predetermined grid of distances from the stop edge (33) and that in the vertical flange section (31) of the wall unit (30) is provided at least one longitudinally extending groove (36) into which one or more screws (35) which can be inserted into bores (34) can be screwed. Wall drain channel according to claim 1, characterized in that the wall unit (30), the floor unit (40) and the drain channel (20) are formed as a continuous element. Wall drain channel according to claim 1 or 2, characterized in that the floor unit (40) has a horizontally extending flange section (41), wherein the vertical flange section (31) is arranged above the drain channel (20) and the horizontal flange section (41) is arranged. laterally adjacent to the drainage channel (20). Wall drainage channel according to one of claims 1 to 3, characterized in that a rib (23) is arranged between the drainage channel (20) and the floor unit (40) and that the upper side (24) of the rib (23) ) forms part of the lower boundary of the vertical gap (50). Wall drain channel according to one of claims 1 to 4, characterized in that the lower side of the stop edge (33) of the wall covering strip (32) forms part of the upper boundary of the vertical gap (50). Wall drain channel according to one of claims 1 to 5, characterized in that the drain channel (20) has a width adapted to the thickness of the vertical flange section (31). Wall drain channel according to one of claims 1 to 6, characterized in that at least one rib (51) is provided in the opening of the vertical gap (50). Wall drain channel according to claim 7, characterized in that the rib bar (51) can be adjusted in its horizontal position. Wall drain channel according to one of claims 1 to 8, characterized in that the respective series of bores (34) in the condition of the wall covering strip (32) is inclined in relation to the horizontal and together with the horizontal encloses an angle (a) in the range of 10 ° to 45 °, preferably 10 ° to 35 °. Wall drainage channel according to one of claims 1 to 8, characterized in that it is provided with at least one angle element (61) for mounting on a wall or pre-wall element, wherein the wall drain channel (10) is held horizontally displaceable in the angle element (61). . Wall drain channel according to claim 10, characterized in that the respective angular element (61) of a ledge (64) to which the wall drain channel (10) can be mounted in a molded manner in the state of the angular element (61). Wall drain channel according to claim 10 or 11, characterized in that said angular element (61) is provided with a vertically displaceable clamping piece (67) which can be connected to an upper edge or a longitudinal groove (39) of the wall unit ( 30) in a form-fitting manner and can be fixed by means of a screw (68).