EP4063574A1 - Wash basin arrangement - Google Patents

Abstract

A vanity assembly (1) comprises a vanity (2) having a water basin (3), a cavity (4) and a drain passage (5) extending from the water basin (3) into the cavity (4), and a at least partially formed cavity ( 4) arranged drainage element (6) for leading away water from the drainage passage (5) and for feeding the water into a drainage line, wherein the drainage element (6) has a drainage channel (14) accessible via a drainage opening (12) with a check valve (13) which check valve (13) comprises a valve seat (41) and a closure member (42), and the valve seat (41) and the closure member (42) being at least partially, in particular completely, in said cavity (4) and/or in the drain passage ( 5) lie.

Description

TECHNICAL AREA

The present invention relates to a washbasin according to the preamble of claim 1.

STATE OF THE ART

Washbasin systems with corresponding drains for the water have become known from the prior art.

For example, the DE 10 2008 044 637 a washbasin which can be connected to a drain pipe. For this purpose, the washbasin has a chamber into which the water flows. The chamber is then followed by the drain pipe.

the DE 10 2008 044 637 has two major disadvantages. On the one hand, the shape of the washbasin with the chamber can only be produced with great effort. Various undercuts increase the manufacturing effort significantly, especially when manufacturing the ceramic washbasin. On the other hand, it is disadvantageous that the required installation space is comparatively large. This is due in particular to the arrangement of the drain pipe in the form of a pipe bend.

the DE 20 2008 008 557 U1 another vanity has become known, which has a connecting piece that connects to a drain section of the vanity and essentially protrudes to the rear.

Washstands with an overflow element are also known from the prior art. For example, the EP 1 754 838 a drain arrangement of a washbasin with an overflow element, which connects to the washbasin to the rear. Such overflow elements are typically arranged behind a front wall and are very difficult to access in the installed position.

PRESENTATION OF THE INVENTION

Proceeding from this prior art, the invention is based on the object of specifying a washbasin arrangement which overcomes the disadvantages of the prior art. In particular, an object of the present invention is to specify a washbasin arrangement with a drain element that is easier to maintain.

This object and other objects are solved by the subject matter of claim 1. Accordingly, a washbasin arrangement comprises a washbasin with a water basin, a cavity and a drain passage which extends from the water basin into the cavity, and a drain element arranged at least partially in the cavity for draining water the drain passage and for feeding the water into a drain pipe. The drain element has a drain channel with a check valve that is accessible via a drain opening. The check valve includes a valve seat and a closure member. The valve seat and the obturator are located at least partially, in particular completely, in the said cavity and/or in the drain passage.

The arrangement of the closure member and valve seat in the cavity or in the outflow passage results in the advantage that the check valve is very easily accessible through the outflow passage for cleaning or maintenance work.

The valve seat is particularly preferably located in said cavity. In a closed position, the closure member also lies in said cavity and, in an open position, protrudes from the cavity into the drainage passage.

The valve seat is preferably located at a small distance of a few centimeters, in particular a maximum of 5 to 10 centimeters, from the access opening into the drainage passage from the water basin.

A seal is preferably arranged between the valve seat and the closure member.

Preferably, the valve seat is angularly inclined to the central axis of the drain passage or to the direction of flow, the angular inclination is preferably such that a lower edge, viewed in the direction of flow of the water, lies in front of an upper edge lying above the lower edges in the installed position.

The angled arrangement has the advantage that solids, such as hair, that reach the valve seat can easily be flushed away with water.

The valve seat is preferably located inside the outflow channel. Alternatively, the valve seat surrounds the drain opening laterally.

The closure member is preferably a valve flap which can be pivoted about an axis of rotation extending along a central axis, the axis of rotation preferably being located above the valve seat in the installed position. As a result, the axis of rotation is only in the water when there is a stagnation, but not when there is a normal flow, which greatly reduces its susceptibility to calcification.

The valve flap can preferably be moved from a closed position into an open position via said pivoting movement towards the outflow passage. If water accumulates in the water basin, the valve flap is pressed against the valve seat by the water pressure and must be moved into the open position against the water pressure when moving from the closed position.

The axis of rotation is preferably mounted in at least one bearing point, which is provided by a wall structure surrounding the outflow channel. In this case, the bearing point is preferably an integral part of the wall structure, that is to say it is embedded in the wall structure.

The bearing point preferably has a first receptacle for a first bearing section of the axis of rotation and a second receptacle for a second bearing section of the axis of rotation. The first bearing section is preferably arranged at the free end of the axis of rotation and the first receptacle is an indentation in the wall structure. The second bearing portion is preferably provided by a portion of the pivot opposite the free end, with the second receptacle being provided by an opening in the wall structure. A sealing element is preferably arranged in the area of the opening and the second bearing section.

The valve flap preferably has a receiving opening, the axis of rotation being insertable into this receiving opening and being non-rotatable in the receiving opening with the Valve flap can be connected. The axis of rotation preferably has at least one comb section which engages in a groove section in the receiving opening. The non-rotatable connection is created via this engagement.

Preferably, the axis of rotation has an actuation section, which lies outside of the discharge channel, wherein the actuation section has an opening, which is offset from the central axis of the axis of rotation, and into which one end of an actuation rod can be inserted.

Preferably, the actuation portion faces the aforesaid free end providing the first bearing portion.

The drain element preferably has a receiving structure for receiving a bearing element. The bearing element has a guide section in which an actuating rod for actuating the closure member is mounted.

The bearing element can preferably be inserted into the receiving structure and latched in the receiving structure.

The closure member can preferably be moved into a flow position, with the closure member locking into place with a latching connection to the outlet element in the flow position. In the flow position, the closure member is at a distance from the valve seat and releases the discharge channel. This has the advantage that the drain element can be used in vanity arrangements in which no accumulation is provided. Here, the closure member can be deactivated very easily by being movable into the flow position. If the drain element is used without a damming function, the bearing element and the actuating rod can be dispensed with.

The closure member can preferably be moved from an open position, in which the closure member is at a distance from the valve seat and opens the outflow channel, into a closed position, in which the closure member is on the valve seat and blocks the outflow channel.

Starting from the open position, the closure member can preferably be moved into the flow position counter to the movement into the closed position.

In the closed position, parts of the closure element are preferably in contact with a stop. As a result, the force acting on the closure member can be limited. The stop is preferably part of the axis of rotation or of the actuating section. Preferably, the drain element has a wall structure which extends across the cross-section of the drain passage, said drain opening being arranged in the wall structure. If present, the overflow inlet opening is also arranged in said wall structure.

A bearing wall preferably protrudes from the wall structure, the bearing wall protruding into a partial area of the cavity adjoining the drain passage, the bearing wall delimiting an interior space, and the closure member lying at least partially in the interior space.

Preferably, the drain element lies substantially entirely within the cavity.

In the following, optional features for embodiments with an overflow channel are described. Preferably, the drain element also has an overflow channel with an overflow edge, the overflow channel being accessible via an overflow inlet opening when viewed from the water basin, and the overflow inlet opening and the drain opening being arranged next to one another laterally offset from one another.

The water flowing through the drain passage thus hits the drain port and the overflow inlet port. The separate arrangement has the advantage that the two functions "drain" and "overflow" are formed on different channels and are therefore separate from one another. During operation, it can also happen that the drain opening and/or the drain channel is obstructed by hair and other objects The separation from the drain channel ensures that if the drain channel becomes blocked, the water can be safely drained from the water basin via the overflow channel.

The drain opening and the overflow opening are spaced a distance apart. The overflow opening and the drain opening are two different and separately arranged openings.

When the check valve is closed, the water in the water basin rises and flows into the overflow channel via the overflow inlet opening. The water then rises in water basin and in the overflow channel. The overflow edge defines the maximum water level in the water basin. When the maximum water level is reached, the water then flows over the overflow edge. The height of the overflow edge defines the maximum storage height.

The lower edge of the drain opening, seen in the installed position, is preferably lower than the lower edge of the overflow inlet opening. This ensures that when the drain channel is open, the water can always flow out of the water basin via the drain channel.

The overflow inlet opening and/or the drain opening preferably extends essentially at least over the entire clear height of the drain passage. As a result, the cross section of the respective opening can be maximized.

The overflow channel and the drain channel preferably extend after the overflow inlet opening or the drain opening as separate channels and, as viewed in the direction of flow, flow into one another only after the overflow edge at a flow point.

Preferably, the overflow channel and the drain channel continue after the opening as a common channel to a drain connector. A drain pipe, for example, can be connected to the drain socket.

Preferably, the point where the overflow channel and the drain channel open out is in said cavity of the washbasin.

The overflow channel preferably extends from the overflow inlet opening with a first channel section, with the first channel section being followed by a riser section which leads to the overflow edge, with the riser section following the overflow edge being followed by a fall section which preferably runs parallel to the riser section, with the fall section falling into the drain channel opens.

The first channel section preferably extends backwards in the direction of the outflow passage, as seen in the installed position. The riser section and the fall section extend upwards and downwards, respectively, substantially in the vertical or at a small angle to the vertical.

In one embodiment variant, the opening of the fall section into the discharge channel is a direct opening. This means that the fall section merges directly into the discharge channel. In an alternative embodiment, the orifice is an indirect orifice. Here the fall section is joined by another channel section, which then flows into the discharge channel.

Preferably, the riser section and the fall section are separated from each other by a partition, the upper end of the partition providing said overflow edge.

Preferably, the dividing wall has a curved cross section when viewed from above onto the overflow edge, the dividing wall having at least one convexly rounded section and/or at least one concavely rounded section. The curved design has the advantage that the overflow channel can be arranged in as space-saving a manner as possible.

The opening point of the overflow channel and the drain channel is preferably located between the overflow inlet opening and the drain opening. This in particular with a view through the drain passage. In the installation position, the outlet point is behind the drain passage.

The drainage channel preferably has a deflection section after the drainage opening, as seen in the flow direction of the water, which deflects the drainage channel in the direction of the overflow channel. The deflection section can directly follow the drain opening or be at a distance from the drain opening.

As mentioned, the drain element preferably has a wall structure which extends across the cross-section of the drain passage, said overflow inlet opening and said drain opening being arranged in the wall structure.

The drainage channel and the overflow channel preferably adjoin the wall structure towards the rear.

Further preferred and therefore optional features of the washbasin arrangement are described below:
The washbasin preferably has a rear wall, with which the washbasin can be brought into contact with a connection structure on the building side in the installed position, the cavity being open in the region of a rear wall of the washbasin. Preferably, the drain element with the check valve and the overflow channel with the overflow edge lies essentially in said cavity. The arrangement of the drain element with the check valve and optionally with the overflow channel with the overflow edge in the cavity has the advantage that a very compact washstand arrangement can be created. This is particularly so in comparison with the arrangements in which the shut-off valve unit or an overflow unit is located behind a pre-wall. In addition, the ease of maintenance is increased.

Said wall structure preferably extends over the cross section of the drain passage and closes the cross section accordingly, so that water can flow out of the drain passage only via the drain opening and the overflow inlet opening. The drain opening and the overflow inlet opening are at least in the clear width of the drain passage.

In another variant, the overflow channel and the overflow edge are essentially located in said cavity.

The overflow channel preferably extends upwards in the installed position in the cavity. The overflow channel is preferably located completely in the cavity.

The drainage passage from the water basin is preferably arranged on a side wall of the water basin and extends essentially backwards away from the water basin when viewed in the installed position. The drain passage preferably has a slight incline of at most 20° to the horizontal.

Preferably the check valve is in the cavity and/or in the drain passage.

The water basin is preferably delimited by an upper edge lying horizontally in the installed position. The edge spans a reference plane. The overflow edge is at a distance of 3 to 6 centimeters from the reference plane, seen at right angles to the reference plane.

Preferably, the entire drain element lies substantially entirely within the cavity. In particular, the drain element does not penetrate a plane which is spanned by said rear wall. Furthermore, the drain element does not protrude downwards from the cavity. If the drain element has a drain connector, this can be arranged in such a way that it protrudes out of the cavity as the only element of the drain element. The drain socket can protrude from the hollow space to the rear and/or downward out of the hollow space. Apart from the drain pipe, however, all other elements are preferably located inside the cavity.

The washbasin preferably also has a bottom wall, the bottom wall being designed to be open downwards in the region of the cavity in the installed position, and the drain element not projecting downwards beyond a plane spanned by the bottom wall. If the drain element has a drain connector, this can, as already mentioned, be arranged in such a way that it is the only element of the drain element that protrudes out of the cavity and, depending on the design, penetrates the plane spanned by the bottom wall.

Preferably, the overflow channel extends exclusively above said plane spanned by the bottom wall, as seen in the installed position.

The cavity is preferably delimited at the top by a wall area of the washbasin. The wall portion has an outer surface. Preferably, the spillway is no more than 3 to 6 centimeters from the outer surface. The wall area preferably has a through-opening for leading through a supply line to a water outlet fitting and/or for leading through a shut-off valve actuating rod.

The cavity connects to the drain passage. In a preferred embodiment, the cavity has a first space section and a second space section. The first space section lies between the drain passage and the second space section. The bearing wall described herein preferably extends, viewed from the first space section, into the second space section. The overflow edge is preferably in the second space section. Viewed in the installed position, the second space section extends upwards with respect to the first space section.

Said wall area extends with its surface essentially in said reference plane.

Preferably, the overflow channel and the drain channel flow into one another and continue as a common channel to a drain connection, the opening point of the overflow channel and the drain channel being in said cavity.

The drain connector is particularly preferably arranged in such a way that it does not penetrate through a plane spanned by the rear wall. In this variant, the drain connection is either completely in the cavity or protrudes downwards out of the cavity.

Preferably, the downcomer is the only element of the downcomer that protrudes from the cavity, with the exception of the downcomer, the downcomer lying entirely within the cavity.

The drain socket is used to connect to a waste water pipe. Preferably, the drain socket is arranged in the cavity.

Preferably, the drain opening comes to lie centrally in the wall structure as seen from the drain passage and with a lower edge at the level of or below a lower wall of the drain passage.

The overflow inlet opening is preferably located laterally next to the drain opening and comes to lie with a lower edge at the same level as or below a lower wall of the drain passage.

The wall structure is preferably shaped in such a way that the water to be drained does not accumulate in front of the wall structure, but is always fed to the drain opening.

The overflow channel is preferably surrounded laterally by a wall, the wall extending upwards over the wall structure and a partition wall with the overflow edge extending transversely through the interior space delimited by the wall.

The wall of the overflow channel preferably extends upwards away from the wall structure.

The overflow channel is preferably closed at the top with a cover, the inside of the cover being at a distance from the overflow edge.

The cover has the advantage that the wall can be shortened mechanically if necessary, and the overflow channel can then be closed with the cover. The drain element can thus be easily adapted to different types of washbasins.

In a preferred embodiment, two overflow inlet openings and two overflow channels are provided. Said drain opening with the drain channel is located between the two overflow inlet openings or overflow channels.

A bearing wall preferably protrudes from the wall structure. The bearing wall protrudes into the cavity of the vanity. The bearing wall is designed on the outside to match the shape of the cavity. The drainage passage for receiving the bearing wall preferably has a somewhat greater extent than in the section which directly adjoins the water basin.

The bearing wall is designed as a peripheral bearing wall and also serves to accommodate a sealing element that is also peripheral. The sealing element is arranged to cooperate with the walls of the cavity and/or with the rear wall.

The one sealing element is preferably a sealing element that is formed separately from the drain element. Alternatively, the at least one sealing element is integrally formed on the insert element.

The drain element can preferably be brought into connection with the washbasin by means of a cohesive adhesive connection and/or a mechanical connection. The mechanical connection is preferably a screw and dowel connection and/or a clamp connection between the drain element and the cavity.

Further embodiments are specified in the dependent claims.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1

eine perspektivische Draufsicht einer Waschtischanordnung gemäss einer bevorzugten Ausführung der vorliegenden Erfindung;

Fig. 2

eine Rückansicht der Waschtischanordnung gemäss Figur 1;

Fig. 3

eine perspektivische Rückansicht der Waschtischanordnung gemäss Figur 1;

Fig. 4

eine Explosionsdarstellung der Rückansicht gemäss Figur 1;

Fig. 5

eine perspektivische Ansicht eines in der Waschtischanordnung gemäss Figur 1 angeordneten Ablaufelements gemäss einer ersten Variante;

Fig. 6

eine perspektivische Ansicht eines in der Waschtischanordnung gemäss Figur 1 angeordneten Ablaufelements gemäss einer zweiten Variante;

Fig. 7

eine Schnittdarstellung durch einen Ablaufkanal der Waschtischanordnung gemäss Figur 1;

Fig. 8

eine Schnittdarstellung durch einen Überlaufkanal der Waschtischanordnung gemäss Figur 1;

Fig. 9

eine Frontansicht eines in der Waschtischanordnung gemäss Figur 1 angeordneten Ablaufelements;

Fig. 10

eine Schnittdarstellung entlang der Schnittlinie X-X in der Figur 9;

Fig. 11

eine Rückansicht vom Ablaufelement mit einer Betätigungsstange;

Fig. 12

eine weitere Rückansicht vom Ablaufelement;

Fig. 13

eine weitere Schnittdarstellung vom Ablaufelement

Fig. 14

eine Frontansicht vom Ablaufelement, wobei das Verschlussorgan in einer Durchflusslage ist;

Fig. 15

eine Rückansicht vom Ablaufelement gemäss Figur 14;

Fig. 16

eine Schnittdarstellung vom Ablaufelement gemäss Figur 14 mit Schnittverlauf durch das Verschlussorgan;

Fig. 17

eine weitere Schnittdarstellung vom Ablaufelement gemäss Figur 14;

Fig. 18

eine Frontansicht vom Ablaufelement, wobei das Verschlussorgan in einer Offenlage ist;

Fig. 19

eine Schnittdarstellung vom Ablaufelement gemäss Figur 18 mit Schnittverlauf durch das Verschlussorgan;

Fig. 20

eine Frontansicht vom Ablaufelement, wobei das Verschlussorgan in einer Verschlusslage ist;

Fig. 21

eine Schnittdarstellung vom Ablaufelement gemäss Figur 20 mit Schnittverlauf durch das Verschlussorgan; und

Fig. 22

eine weitere Schnittdarstellung vom Ablaufelement gemäss Figur 14.

Preferred embodiments of the invention are described below with reference to Drawings described, which are for explanation only and are not to be interpreted restrictively. In the drawings show:

1

a top perspective view of a vanity assembly according to a preferred embodiment of the present invention;

2

according to a rear view of the vanity arrangement figure 1 ;

3

a perspective rear view of the vanity assembly according to figure 1 ;

4

according to an exploded view of the rear view figure 1 ;

figure 5

a perspective view of in the vanity arrangement according to figure 1 arranged flow element according to a first variant;

6

a perspective view of in the vanity arrangement according to figure 1 arranged flow element according to a second variant;

7

according to a sectional view through a drain channel of the vanity arrangement figure 1 ;

8

according to a sectional view through an overflow channel of the vanity arrangement figure 1 ;

9

a front view of a vanity arrangement according to FIG figure 1 arranged drainage element;

10

a sectional view along the line XX in the figure 9 ;

11

a rear view of the flow element with an actuating rod;

12

another rear view of the drain element;

13

Another sectional view of the drain element

14

a front view of the drain element, wherein the closure member is in a flow position;

15

a rear view of the drain element according to figure 14 ;

16

a sectional view of the drain element according to figure 14 with cut through the closure organ;

17

another sectional view of the drain element according to figure 14 ;

18

a front view of the drain element, wherein the closure member is in an open position;

19

a sectional view of the drain element according to figure 18 with cut through the closure organ;

20

a front view of the drain element, wherein the closure member is in a closed position;

21

a sectional view of the drain element according to figure 20 with cut through the closure organ; and

22

another sectional view of the drain element according to figure 14 .

DESCRIPTION OF PREFERRED EMBODIMENTS

In the figure 1 is a wash stand arrangement 1. The wash stand arrangement 1 comprises a wash stand 2 and a drain element 6.

The vanity 2 has a water basin 3 , a cavity 4 and a drain passage 5 . In the figure 1 the cavity 4 can only be partially seen behind the drain passage. In the cavity 4 said drain element 6 is arranged for draining water. The water can be fed to a drain line (not shown) via the drain element 6 . The drainage passage extends from the water basin 3 into the cavity 4 in such a way that water can be guided from the water basin into the cavity 4 or to the drainage element 6 .

The water basin 3 is delimited at the top by an upper edge 15 . In the installed position, the upper edge 15 lies in the horizontal line H. In installed position means in the installed and ready-to-use state. In the rear area, the washbasin also has a wall area 17 . The wall area 17 delimits the cavity 4 at the top. The wall area has an outer surface 18 at the top, which preferably also lies in said reference plane B. In the embodiment shown, the wall area 17 has a through-opening 19 . The through opening 19 opens into the cavity 4 and serves to feed through a supply line to a water outlet fitting and/or to feed through a check valve actuating rod.

In the figure 2 the vanity assembly 1 is shown from behind. The vanity 2 has a rear wall 7 at the rear. In the installed position, the wash stand 2 can be brought into contact with a connection structure on the building side with the rear wall 7 . The washbasin 2 also has a bottom wall 16 .

Like from the Figures 2 to 4 As can be seen, the cavity 4 is accessible via the rear wall 7 and the bottom wall 16 . The cavity 4 is designed to be open in the area of the rear wall 7 . The cavity 4 in the area of the bottom wall 16 is also designed to be open.

With regard to the cavity, the drain element 6 is arranged substantially entirely in said cavity 4. This means that the flow element 6 projects neither over a spanned by the rear wall 7 plane nor a spanned by the bottom wall 16 level from the cavity 4 also. This apart from a drain pipe or drain connector 21, through which the water is fed to a sewage pipe. Here the drain pipe 21 protrudes downwards out of the cavity 4 . Furthermore, the drain element 6 partially extends into the drain passage 5 .

The flow element 2 has in the embodiment shown, as in the Figures 2 to 6 shown, a wall structure 8 which extends completely over the cross section of the drain passage 5 in the state connected to the washstand 2 . In the embodiment shown, the drain element 2 has two fastening openings 31, with which the drain element 2 can be connected to the washbasin.

The drain element 2 also has a drain channel 14 and an overflow channel 10 . The drain channel 14 and the overflow channel 10 are formed on the wall structure 8 here. Preferably, the drain element 2 is molded from plastic.

A drainage opening 12 is arranged in the wall structure 8 . The drain opening 12 is followed by the drain channel 14 . The figures show an embodiment in which a check valve 13 is located in front of the outflow channel 14 and closes the outflow opening 12 . The check valve 13 here has the shape of a valve flap and is based on the Figures 11 to 22 explained in more detail. The shut-off valve 13 can, however, be designed in a different way and, for example, be located in the outflow channel 14 . Regardless of the design or position of the check valve 13, the check valve 13 is used to seal the drain opening 12 or the drain channel 14 tightly. When the check valve 13 is open, the water flows into the drain channel 14 .

The overflow channel 10 is used to drain water from the water basin 3 when a certain backwater level is reached with the check valve closed. For this purpose, the overflow channel 10 has an overflow edge 11 . The position of the overflow edge 11 defines the maximum water level in the water basin 3. The overflow channel 10 and the overflow edge 11 are also in the cavity 4 in the embodiment shown. An overflow inlet opening 11 is arranged in the wall structure 8, which is then connected to the overflow channel 10. The overflow channel 10 then extends upwards to the overflow edge 11 and then from the overflow edge 11 downwards again.

In the embodiment shown, the overflow inlet opening 11 and the drain opening 12 are arranged as separate openings. Viewed from the water basin 3 or from the outflow passage 5 , the overflow channel 10 is accessible via the overflow inlet opening 9 and the outflow channel 14 is accessible via an outflow opening 12 . The overflow inlet opening 9 and the outlet opening 12 are arranged side by side offset from one another. This means that the overflow inlet opening 9 and the outlet opening 12 are at a distance from one another.

The overflow channel 10 and the outlet channel 14 flow into one another at an outlet point 36 and continue after the outlet point 36 as a common channel 20 to an outlet port 21 . The outlet point from the overflow channel 10 and from the drain channel 14 is also in said cavity 4. The drain connector 21 can then be connected to a drain pipe. The outlet point 36 is located behind the overflow edge 11 and behind the check valve 13, viewed in the flow direction from the overflow inlet opening 9 and the outlet opening 12.

The drain opening 12 and overflow inlet opening 11 are located in such a way that they are in the clear width of the drain passage 5 in the installed position. This means that the water can flow unhindered from the drain passage 5 to the drain opening 12 and the overflow inlet opening 11 . The drain opening 12 is seen from the drain passage 5 in the center of the wall structure 8 and has a lower edge 22 at the level of or below a lower wall 23 of the drain passage 5. The overflow inlet opening 9 is also located laterally next to the drain opening 12 and has a lower edge 24 to be level with or below a lower wall 23 of the drain passage 5.

The overflow channel 10 is, as in the Figures 5 and 6 is well shown surrounded by a wall 25 laterally. The wall 25 extends above the wall structure 8 upwards. A partition wall 26 extends transversely through the interior space 27 delimited by the wall 25. The partition wall 26 has the overflow edge 11 mentioned. The overflow channel 10 is closed with a cover 28 at the top. The inside 29 of the lid is at a distance from the overflow edge 11.

A bearing wall 30 protrudes from the wall structure 8 . The bearing wall 30 protrudes into the cavity 4 of the vanity. The bearing wall 30 is designed on the outside to match the shape of a first spatial section of the cavity 4 . The first Room section connects to the drain passage 5. The first space section for accommodating the bearing wall 30 preferably has a somewhat greater extent than the extent of the drain passage 5 , which directly adjoins the water basin 3 . The remaining part of the drain element 6 lies in a second spatial area of the cavity, with the second spatial area adjoining the first spatial area.

The bearing wall 30 is designed as a peripheral bearing wall and is also used to accommodate a sealing element 32 that is also peripheral. The sealing element 32 is arranged to interact with the walls of the cavity 4 .

In the figure 7 a sectional view through the drain channel is shown. the figure 8 then shows a sectional view through the overflow channel. The overflow edge is, as in the figure 8 shown at a distance of 3 to 6 centimeters from the reference plane B. The distance is marked A.

the Figures 9 and 10 then show a front view of the drain element 6 and a sectional view. From the sectional view taken along section line XX in figure 9 it can be seen that the overflow channel 10 extends from the overflow inlet opening 9 with a first channel section 37 . The first channel section 37 is followed by a riser section 38 . The riser section 38 leads to the overflow edge 11. After the overflow edge 11, the riser section 38 is followed by a fall section 39. The fall section 39 then opens into the discharge channel 14 at the opening 36. The riser section 38 and the fall section 39 run parallel to one another here and, as already mentioned, are separated from one another by the partition wall 26.

Of the figure 10 It is further apparent that in the embodiment shown, the outflow channel 12 has a deflection section 40 which deflects the outflow channel in the direction of the overflow channel 20 . This deflection section 40 allows the opening point 36 to be placed behind a closed wall section of the wall structure 8 .

Based on Figures 11 to 22 further features of the check valve 13 according to a particularly preferred embodiment are described in more detail below.

The check valve 13 comprises a valve seat 41 and a closure member 42. The valve seat 41 and the closure member 42 are at least partially, in particular completely, in the said cavity 4 and/or in the drainage passage 5.

The valve seat 41 is inclined at an angle α to the central axis of the outflow passage or to the direction of flow. The angular inclination is preferably such that a lower edge 22, viewed in the flow direction of the water, lies in front of an upper edge 43 lying above the lower edge 22 in the installed position. The angle α is preferably in a range from 5° to 45°.

The closure member 42 can be actuated by an actuating rod 53 . The actuating rod 53 is movably mounted on a bearing element 55 . The bearing element 55 can be connected to the drain element 6 . The drain element 6 has a receiving structure 54 into which the bearing element 55 can be inserted. The receiving structure 54 is designed here as a longitudinal guide 58 and the bearing element 55 has a guide section 59 with which the bearing element 55 can be inserted into the longitudinal guide 58 . A latching connection 62 is provided between the longitudinal guide 58 and the guide section 59, with which the bearing element 55 can be latched to the drain element.

The actuating rod 53 engages, as in FIG figure 12 shown, in an opening 52 at an operating portion 51 of the pivot 44 a. When the actuating rod moves, the axis of rotation 44 can be moved accordingly from the open position to the closed position.

In the embodiment shown, the closure member 42 is a valve flap. The valve flap can be pivoted about an axis of rotation 44 extending along a central axis. The valve flap can be connected to the axis of rotation 44 . Viewed in the installed position, the axis of rotation 44 is above the valve seat 41.

In the figure 13 a sectional view through the central axis of the axis of rotation 44 is shown. The axis of rotation 44 is mounted at two bearing points 45 on the drain element. One of the bearing points 45 has a receptacle 46 for a first bearing section 47 of the axis of rotation 44 . The first bearing section 47 is designed as a free end and protrudes into the receptacle 46 . A second of the bearing points 45 has a second receptacle 48 for a second bearing section 49 of the axis of rotation 44 . A sealing point 60 is also arranged in the area of the second receptacle 48 .

The axis of rotation 44 extends between the two bearing sections 47 and 49 through a receiving opening 50 on the valve flap. The axis of rotation 44 lies in the receiving opening 50 in a rotationally fixed manner.

At the end, the axis of rotation 44 has an actuating section 51 . The operating section 51 is located outside the drain channel 14. The operating section 51 has the above-mentioned opening 52, in which one end of an operating rod 53 engages. The opening 52 is offset laterally to the central axis of the axis of rotation 44.

That in the Figures 11 to 22 Check valve shown can essentially take three positions, namely a flow position according to the Figures 14 to 17 , an open position according to the Figures 18 and 19 and a closure position according to Figures 20 to 22 .

In the flow position, the closure member 42 is firmly latched to the drain element 6 . Preferably, the closure member 42 is brought into the flow position when no stagnation in the water basin 3 is desired. If no stowage function is desired, the elements provided for operating the obturator 42 can be dispensed with. For example, an arrangement of the bearing element and the actuating rod can be dispensed with. For the movement into the flow position, the closure member 42 is moved from the open position against the direction of movement into the closed position. This means that the closure member is then preferably higher in the flow position than in the closed position, seen in the installed position.

In the closed position, the closure member snaps into place at a latching connection 56 to the drain element. The locking connection 56 is in the figure 17 shown. The locking connection 56 is located on the back of the drain element 6 .

When the stowage function is desired, the closure member 42 can be moved back and forth between the open position and the closed position. For the actuation, the actuation rod 53 can be connected together with the bearing element 55 to the drain element 6 . In the closed position, the closure member 42 rests against a stop 57 . This stop 57 is provided by a part of the operating portion 51 and a wall portion of the drain member 6 and is in the figure 22 evident. By hitting it is ensured that excessive closing forces on the closure member are prevented.

As mentioned, the drain element 6 has a bearing wall 30 which protrudes from the wall structure 8 . The bearing wall 30 protrudes into a partial area of the cavity 4 adjoining the outflow passage 5 . The bearing wall 30 delimits an interior space 61 in which the closure member 42 is located at least partially. In the closed position, the closure element 42 lies essentially completely in the interior space 61 . In the open position and the flow-through position, the closure element 42 projects out of the interior space 61 in the direction of the outflow passage 5 and extends into the outflow passage 5 . This is from the figures 16 and 19 evident. REFERENCE LIST 1 vanity arrangement 36 estuary 2 vanity 37 first canal section 3 water basin 38 climb section 4 cavity 39 case section 5 drain passage 40 deflection section 6 drain element 41 valve seat 7 back panel 42 closure organ 8th wall structure 43 upper edge 9 overflow inlet opening 44 axis of rotation 10 overflow channel 45 storage place 11 overflow edge 46 first shot 12 drain hole 47 first camp section 13 check valve 48 second shot 14 drain channel 49 second storage section 15 edge 50 intake opening 16 bottom wall 51 operating section 17 wall area 52 opening 18 outer surface 53 operating rod 19 passage opening 54 intake structure 20 common channel 55 bearing element 21 drain socket 56 snap connection 22 lower edge 57 attack 23 lower wall 58 longitudinal guide 24 lower edge 59 guide section 25 wall 60 sealing point 26 partition wall 61 inner space 27 inner space 62 snap connection 28 lid A Distance 29 inside B reference plane 30 bearing wall H horizontal 31 mounting holes f flow direction 32 sealing element a angle 33 Side wall

Claims (14)

Washbasin arrangement (1) comprising
a vanity (2) having a water basin (3), a cavity (4) and a drain passage (5) extending from the water basin (3) into the cavity (4), and
a drain element (6) arranged at least partially in the cavity (4) for draining water out of the drain passage (5) and for feeding the water into a drain line,
wherein the drain element (6) has a drain channel (14) accessible via a drain opening (12) with a check valve (13), which check valve (13) comprises a valve seat (41) and a closure member (42), and
the valve seat (41) and the obturator (42) being at least partially, in particular completely, located in said cavity (4) and/or in the drain passage (5). Washbasin arrangement (1) according to Claim 1, characterized in that the valve seat (41) is arranged at an angle (a) inclined to the central axis of the drain passage or to the direction of flow, the angular inclination preferably being such that a lower edge (22 ) seen in the flow direction of the water in front of an upper edge (43) lying above the lower edges (22) in the installed position. Washbasin arrangement (1) according to one of the preceding claims, characterized in that the valve seat (41) is located in the drainage channel (14) or surrounds the drainage opening (12) laterally. Washbasin arrangement according to one of the preceding claims, characterized in that the closure member (42) is a valve flap which can be pivoted about an axis of rotation (44) extending along a central axis, the axis of rotation (44) preferably being located above the valve seat (41) in the installed position lies. Wash basin arrangement according to Claim 4, characterized in that the axis of rotation (44) is mounted in at least one bearing point (45) which is provided by a wall structure (8) surrounding the drainage channel (14). Washbasin arrangement according to one of the preceding claims 4 to 5, characterized in that
that one of the bearing points (45) has a first receptacle (46) for a first bearing section (47) of the axis of rotation (44) and another of the bearing points (45) has a second receptacle (48) for a second bearing section (49) of the axis of rotation (44 ) having; and or
that the valve flap has a receiving opening (50), wherein the axis of rotation (44) can be pushed into this receiving opening (50) and in the receiving opening (50) can be connected to the valve flap in a rotationally fixed manner; and or
that the axis of rotation (44) has an actuating section (51) which lies outside the outflow channel (14), the actuating section (51) having an opening (52) which is offset from the central axis of the axis of rotation (44) and into which one end of an actuating rod (53) can be used. Washbasin arrangement according to one of the preceding claims, characterized in that the drain element (14) has a receiving structure (54) for receiving a bearing element (55), the bearing element (55) having a guide section in which an actuating rod (53) for actuating the Closure member (42) is mounted. Washbasin arrangement according to Claim 7, characterized in that the bearing element (55) can be inserted into the receiving structure (54) and can be latched in the receiving structure (54). Washbasin arrangement according to one of the preceding claims, characterized in that the closure member (42) can be moved into a throughflow position, wherein in the throughflow position the closure member (42) engages with a latching connection (56) to the drain element (6); and/or that the closure element (42) moves from an open position, in which the closure element (42) lies at a distance from the valve seat (41) and releases the outflow channel (14), into a closed position, in which the closure element (42) rests on the valve seat ( 41) is located and blocks the discharge channel (14), is movable. Washbasin arrangement according to Claim 9, characterized in that starting from the open position, the closure member (42) can be moved into the through-flow position counter to the movement into the closed position; and/or that in the closed position, parts of the closing element (42) are in contact with a stop (57). Washbasin arrangement according to one of the preceding claims, characterized in that the drain element also has an overflow channel (10) with an overflow edge (11), the overflow channel (10) being accessible via an overflow inlet opening (9) when viewed from the water basin (3), wherein the overflow inlet opening (9) and the outlet opening (12) are arranged next to one another laterally offset from one another. Washbasin arrangement (1) according to one of the preceding claims, characterized in that the drain element (6) has a wall structure (8) which extends over the cross section of the drain passage (5), wherein in the wall structure (8) the said drain opening (12 ) are arranged. Washbasin arrangement (1) according to Claim 12, characterized in that a bearing wall (30) protrudes from the wall structure (8), the bearing wall (30) projecting into a partial region of the cavity (4) adjoining the drain passage (5), and wherein the bearing wall (30) delimits an interior space (61), and the closure member (42) is located at least partially in the interior space (61). Washbasin arrangement (1) according to one of the preceding claims, characterized in that the drain element (6) lies essentially completely in the cavity (4).

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