EP3848519A1 - Sanitary device comprising a urinal and a suction siphon to be attached or connected to the urinal and a flushing nozzle - Google Patents

Abstract

Sanitary facility comprising a urinal and (2) a suction siphon (3) to be connected or connected to the urinal (2), the urinal (2) having a basin area (4) and a channel-like outlet (5) adjoining this, which has a one leg (6, 7) extending above and one to the side, the leg (6) extending upwards ending above the maximum water level of the suction siphon (3) and the suction siphon (3) on the side extending leg (7) is to be connected or connected, a flushing nozzle (13) being provided on the urinal (2), via which flushing water can be flushed into the basin area (4) under pressure, and wherein a device comprising a flushing water channel (18) for refilling the suction siphon (3) with rinsing water after completion of the suction process.

Description

The invention relates to a sanitary facility comprising a urinal and a suction siphon to be connected or connected to the urinal, the urinal having a basin area and an adjoining channel-like outlet which has an upwardly extending leg and a side extending leg, the upwardly extending leg ends above the maximum water level of the suction siphon and wherein the suction siphon is to be or is connected to the leg extending to the side. In the following, for the sake of simplicity, the upwardly extending leg is referred to as the "vertical leg" and the leg extending to the side as the "horizontal leg", since the legs in the assembly position to which the information relates are at least predominantly one Extend vertically in the other case and horizontally in the other case. This applies to all the embodiments and variants of the invention described below and to the description of the figures.

Such a sanitary facility comprising a suction siphon enables active flushing, that is to say drawing off the liquid to be removed by active suction. If the flushing is triggered, the flushing water flows into the basin area with relatively low pressure but high volume flow, with the flushing water either being supplied via a flushing rim that encompasses the top of the basin area in sections or a so-called "rimless" flushing, which does not have a closed flushing rim and is distributed over almost the entire pool area and flows to the outlet. If the water column in the basin or in the outlet or its vertical leg is higher than the maximum water level in the spiral suction siphon, the siphon is completely filled with water up to its upper edge, and due to the height difference, the water flows out of the siphon with a high volume flow This leads to a negative pressure being created there, which causes the liquid to be drained from the urinal to be actively sucked out of the outlet or the basin area. This vacuum controlled The suction process continues until the fluid channel consisting of the outlet and siphon is no longer closed by a water column, so that the suction siphon then draws air through the fluid channel which is then open and the negative pressure collapses. It is then necessary to refill the siphon at least partially with water in order to ensure an odor trap, that is to say to close this channel again locally.

As described, the suction effect only begins when the water column in the basin or outlet or in the vertical outlet leg is sufficient. If the water column is not high enough, there is no negative pressure and the siphon works as a pure displacement siphon. In order to ensure this, the flushing water is supplied with a sufficiently high volume flow over the flushing rim in known sanitary facilities. The rinsing water, because it is supplied at a relatively low pressure, flows relatively slowly into the basin, so that the water column does not build up too quickly or a high volume flow is used to accelerate this. This relatively slow inflow also ensures that the siphon is refilled to form the odor trap after the flushing process has ended, i.e. when no more flushing water is supplied. Because even if no more rinsing water is supplied, rinsing water continues to flow over the rinsing rim for a relatively long time, even if the suction process has already ended, so that rinsing water continues to flow slowly but steadily for several seconds after the suction system has been torn off and partially fills the siphon again, at least so far that a suitable odor trap is provided. Active suction and the restoration of an odor trap can be achieved in this way, but at the same time it is associated with a high consumption of rinsing water.

The invention is therefore based on the problem of specifying a sanitary facility which is improved in comparison.

To solve this problem, in a sanitary facility of the type mentioned at the outset, it is provided according to the invention that a flushing nozzle is provided on the urinal, via which flushing water can be flushed into the basin area under pressure is, and that a device comprising a flushing water channel is provided for refilling the suction siphon with flushing water after completion of the suction process.

The sanitary facility according to the invention is characterized by a flushing nozzle provided on the urinal side, which is usually provided in the upper pelvic area on the wall-side, that is to say the rear pelvic wall. The rinsing water is supplied via this rinsing nozzle at a higher pressure compared to rinsing via a rinsing rim, i.e. sprayed under pressure from the rinsing nozzle onto the basin wall, on which it is then distributed at high flow speed and flows very quickly to the outlet. This rinsing enables very efficient cleaning and efficient rinsing of the liquid to be discharged, although significantly less rinsing water is required compared to the previously usual supply via the rinsing rim.

Due to the rapid supply of the flushing water, which flows very quickly to the outlet as described, the water column in the vertical outlet leg builds up correspondingly quickly, so that the necessary hydraulic conditions are set that lead to the triggering of the suction process via the suction siphon.

When the rinse water inflow ends, the inflow into the outlet ends relatively abruptly because, as described, the rinse water flows in at a high flow rate and consequently only very little water continues to flow through the rinsing nozzle when the rinse water supply ends, and this only for a very short time. As a result, the suction process collapses. However, since no more flushing water continues to run out of the basin, at least not to the extent that an odor trap can be formed by filling the siphon, the invention advantageously provides a corresponding device with a flushing water channel via which, after the actual flushing water supply has ended, into the Basin area, a certain amount of rinsing water is led into the outlet, so that in the spiral siphon in the lower winding siphon area collects enough water and closes the siphon cross-section as an odor trap.

The invention therefore enables for the first time the combination of a urinal having a flushing nozzle with a suction siphon, since according to the invention the restoration of the odor trap is ensured with the arrangement of the separate refilling device with the flushing water channel running externally to the basin area. The sanitary device according to the invention thus combines the high cleaning efficiency via the flushing nozzle, combined with very low flushing water consumption, while at the same time ensuring the formation of an odor trap.

As described, the refilling device comprising the flushing water channel running separately from the basin area is the central means for ensuring the siphon refilling and thus the formation of the odor trap. Various alternatives are conceivable with regard to the design of the flushing water channel. According to a first alternative according to the invention, the flushing water channel can be integrated in the urinal. The urinal itself is mostly made of ceramic and is a one-piece, fired component. The flushing water channel is now directly integrated into this component. On the one hand, this can be achieved in that the flushing channel is formed on the one-piece ceramic component itself, that is to say it is also formed during the casting of the body. Alternatively, it is also conceivable to attach a corresponding ceramic component to the back of the urinal and to hinge it on, i.e. to bind it using a corresponding adhesive slurry that can be hardened in the later firing process and then to burn this shards equipped with the ceramic component so that the ceramic component of the flush water channel is integral with the actual urinal body is connected. In any case, however, the flushing water channel is integrated into the urinal itself on the finished urinal; it runs virtually on the back of the urinal.

The flushing water channel expediently opens into the horizontal leg of the outlet, which is formed via a ceramic nozzle and to the the suction siphon connects. This means that the rinsing water used for the odor trap is supplied directly in front of the siphon and consequently also reaches the siphon directly, so that the odor trap is formed there as quickly as possible.

An alternative to the integral design of the flushing water channel provides that the flushing water channel is formed with a separate channel component attached to the urinal. In this variant, a corresponding channel component is attached to the back of the finished urinal, for example in the form of a line, a hose or a water tank or the like, which channel component is of course connected accordingly in order to direct the flushing water to the siphon. This connection can be in the area of the horizontal leg of the outlet, which means that the channel component is arranged on the ceramic socket and the flushing water channel opens into the horizontal outlet leg. Alternatively, the connection can also be on the siphon itself, which means that the flushing water channel opens directly into the siphon, and consequently the flushing water forming the odor trap is also fed directly into the siphon.

For a simple connection, a bore or a connecting piece can be provided on the urinal or on the siphon, to which the channel component is to be connected or connected, that is, the flushing water channel opens at this bore or the connecting piece.

The flushing water channel is preferably supplied with flushing water via the same flushing water supply line via which the flushing water is fed to the flushing nozzle. In this embodiment, part of the supplied flushing water is consequently "branched off" and fed to the flushing water channel. Via this it is then led in a corresponding manner into the outlet or siphon, at the same time ensuring that a sufficient amount of flushing water continues to run even after the actual flushing water supply has ended.

As an alternative to the simultaneous supply of the flushing nozzle and the flushing water channel via the same flushing water supply line, it is conceivable that a separate flushing water connection is provided, via which the flushing water channel can be supplied with flushing water. In this embodiment of the invention, the flushing water channel is supplied separately with flushing water. For example, a switchable valve can be assigned to this flushing water channel, which can be controlled accordingly, so that flushing water is only fed into the flushing water channel when the suction siphon is to be refilled and no more flushing water flows through the flushing nozzle. However, it is of course also conceivable that, even with separate rinsing water connections, only one common controllable valve is provided for the rinsing nozzle and the rinsing water channel, and that the rinsing water supply to both is therefore given or terminated. In this case, too, a suitable design of the flushing water channel can ensure that a sufficient amount of flushing water continues to run to form the odor trap.

A particularly advantageous development of the invention provides that means for delaying the inflow of the flushing water into the suction siphon are provided in the flushing water channel, and / or that the flushing water channel has a length ensuring a delayed flushing water inflow. As described, the flushing water channel provides the possibility that, after the actual flushing water supply has ended, a sufficient amount of water to fill up the siphon to form an odor trap is added via the flushing nozzle. If the rinsing water supply into the rinsing water channel is coupled with the rinsing water supply to the rinsing nozzle, then when the rinsing water supply to the rinsing nozzle is ended, no more rinsing water is fed into the rinsing water channel. According to the invention, the flushing water channel is designed in such a way that the flushing water present in it, which, because it is supplied at a correspondingly high pressure, accumulates in the flushing water channel during the supply period, flows only with a delay from the flushing water channel into the outlet / siphon, so that it flows through it for a certain time After the flushing water supply has ended, it is ensured that water continues to flow out of the flushing water channel. Appropriate delay means are included in the Rinsing water channel provided, so quasi flow obstacles or the like, which prevent an unimpeded outflow or delay the outflow. Additionally or alternatively, the flushing water channel can also have a sufficient length or be guided in a suitable manner, so that only a slowed out flow results. A delayed flushing water flow is consequently achieved in a more or less constructive manner, which enables a delayed run-on solely via the flushing water channel, at a time when no more flushing water flows in via the basin.

One or more flow obstacles, which the rinsing water must flow around, and which consequently lengthen the fluid path, can be provided, for example, in the rinsing water channel as the delay means. Alternatively or in addition, the flow cross-section of the flow channel can also change over its length at one or more points, that is, it can become wider or narrower, which also has an influence on the flow velocity. As an alternative or in addition, the flushing water channel can also branch into two or more channel sections which converge again to the mouth in the outlet or in the siphon. Furthermore, as an alternative or in addition, the flushing water channel can also be wound one or more times between the flushing water inlet and the flushing water outlet, i.e. it can be guided in a quasi-serpentine or meandering manner, whereby, of course, sections with only a slight gradient can also be realized, which also reduces the flow rate.

It should be noted at this point that the formation of these delay means, of whatever type, are of course conceivable for all variants of the flow channel design, i.e. both with an integral design of the flow channel on the urinal itself and with the formation of a separate flushing water channel via a separate line or a separate one Hose or the like, which is then preferably of course wound with a corresponding length, or in the form of a corresponding channel component, which is of course preferably made of plastic. Is a ceramic component for integral training put on, this is provided with the channel structure, which is closed by the back wall of the basin.

The quickest possible setting of suitable hydraulic conditions such that the height of the flushing water column in the vertical leg is initially slightly higher than the maximum given flushing water level in the suction siphon is essential for effecting the suction process. In order to build up the water column as quickly as possible, the vertical leg of the outlet has a length of 5-12 cm, in particular 6-9 cm and a cross-sectional area of 8-14 cm ² , in particular between 9-11 cm ² . This means that a relatively narrow, but at the same time also relatively deep, vertical leg is realized in which the water column can be built up relatively quickly at a sufficient height. The height of the vertical leg is measured from its lower transition into the horizontal leg to the upper leg edge, where the leg opens towards the pelvic area. The cross-sectional area can be constant over the height, or widen slightly upwards, for example over an approximately conical cross-sectional shape.

The volume of the refill device, i.e. ultimately the flushing water channel, should be between 50 - 200 ml, adapted to the siphon, whereby the refill device is not completely filled with water during the supply time, especially with a larger volume. This size or amount of water is sufficient, since the suction siphon itself typically needs approx. 50 - 70 ml to form the odor trap. Since there is still a residual amount of flushing water in the siphon when the suction process collapses, the amount in the flushing channel is sufficient to fill the suction siphon sufficiently to form the odor trap.

If both the flushing nozzle and the flushing water channel are to be supplied via a common flushing water inlet, a further development of the invention can be provided that the flushing nozzle has a water connection pipe on which a flushing water outlet that communicates with the flushing water channel is also provided. The flushing nozzle is therefore designed as a piece of pipe that has a nozzle head at one end, which is arranged in the basin area, while the water connection pipe extends through the basin wall to the rear of the urinal, where, for example, a lock nut is screwed onto the threaded connector there in order to fix the flushing nozzle, and where the flushing water supply line is connected. A corresponding flushing water outlet is provided on this water connection pipe which, when the flushing nozzle is installed, communicates with the flushing water channel, if this is integrated on the urinal side, if this is separate. The flushing water outlet can be designed as a radial bore or as a radially protruding connection piece. A bore is expediently provided when the flushing water channel is integrated on the urinal side. A connection piece is provided, for example, when the flushing water channel is formed via a separate hose or a separate line.

The flushing nozzle itself expediently has two first outlet channels, which run on opposite sides of the flushing nozzle and at an angle to the horizontal, two second outlet channels, which run on both sides and at the same or a greater angle to the horizontal, like the two first outlet channels, as well a central outlet located between the two second outlets. A total of five outlets are therefore provided, which show different outlet directions, so that it is ensured that the flushing water discharged via the flushing nozzle is fanned out relatively broadly and can consequently flow around the entire basin area. The first two outlet channels ensure that the flushing water flows relatively far in the upper edge area of the basin from the rear wall to the front wall. The two second outlet channels serve the central area, so to speak, while the third outlet, which is arranged in the middle, flushes the rear wall.

The first and second outlet channels can have a common inlet and can be separated by a partition. This enables a common water supply with a simple possibility of dividing it at the same time.

The angle of the first outlet channels to the horizontal should be 13 °, in particular between 15 ° -20 ° and preferably 17 °. The angle of the second outlet channels to the horizontal should be 20 °, in particular between 25 ° -45 ° and preferably 32 °.

The invention further relates to a urinal for a sanitary facility of the type described above, comprising a basin area and an outlet adjoining this, which has an upwardly extending leg and a side extending leg. It is characterized by the fact that a fastening receptacle for a flushing nozzle, via which flushing water can be flushed into the basin area under pressure, as well as an integrated flushing water channel running externally to the basin area and opening into the outlet, via the flushing water for refilling the suction siphon to be connected with flushing water after completion the suction process can be supplied, is provided.

The integrated flushing water channel preferably ends in the horizontal leg of the outlet.

Furthermore, according to the invention, means for delaying the inflow of the flushing water into the suction siphon can be provided in the flushing water channel, and / or the flushing water channel can have a length and / or geometry ensuring a delayed flushing water inflow.

These means can be of various types. Thus, one or more flow obstacles can be provided in the flushing water channel, and / or that the flow cross-section of the flow channel changes over its length and / or that the flushing water channel branches into two or more channel sections that converge again, and / or that the flushing water channel is a - or wound several times between the flushing water inlet and the flushing water outlet.

Finally, the vertical leg of the outlet (5) should have a length of 5-12 cm and a cross-sectional area of 8-14 cm ² .

The invention further relates to a flushing nozzle for a sanitary facility of the type described above, comprising a water connection pipe and a nozzle head connected to it, the nozzle head having at least one outlet channel. The flushing nozzle is characterized in that a flushing water outlet designed as a radial bore or as a radially protruding connection piece is provided on the water connection pipe.

In a further development, the flushing head can have two first outlet channels that run on opposite sides of the flushing head and at an angle to the horizontal, two second outlet channels that run on both sides and at an angle equal to or greater than that of the first outlet channels to the horizontal, and a central one Having outlet which is arranged between the two second outlets.

The first and second outlet channels can have a common inlet and can be separated by a partition.

The angle of the first outlet channels to the horizontal should be ≥ 13 °, in particular between 15 ° - 20 ° and preferably 17 °, while the angle of the second outlet channels to the horizontal should be ≥ 20 °, and in particular between 25 ° - 45 ° and preferably Should be 32 °. The corresponding inclination, in particular of the first outlet channels, avoids splashing or spilling over, especially at the front of the urinal, when the water flows out of the nozzle under pressure. This is because the rinsing water emerges from the first outlet channels with an outflow direction that is more strongly sloping downwards.

Fig. 1

eine Perspektivansicht eines erfindungsgemäßen Urinals von vorne,

Fig. 2

eine Perspektivansicht des Urinals aus Figur 1 von hinten mit angeschlossenem Absaugsiphon

Fig. 3

eine vergrößerte Perspektivansicht von hinten ohne Absaugsiphon,

Fig. 4

eine Teilansicht, geschnitten, durch die Rückseite des Urinals im Bereich des Spülwasserkanals,

Fig. 5

eine Längsschnittansicht durch das Urinal aus Fig. 2,

Fig. 6

eine horizontale Schnittansicht in der Ebene VI aus Figur 5,

Fig. 7

eine horizontale Schnittansicht in der Ebene VII aus Fig. 5,

Fig. 8

eine horizontale Schnittansicht in der Ebene VIII aus Fig. 5,

Fig. 9

eine vergrößerte Darstellung der Spüldüse,

Fig. 10

die Spüldüse aus Fig. 9 in einer Schnittansicht,

Fig. 11

eine Ansicht des geschnittenen Spülkopfes,

Fig. 12

eine Prinzipdarstellung eines erfindungsgemäßen Urinals einer zweiten Ausführungsform von der Rückseite her, und

Fig. 13

eine Prinzipdarstellung eines erfindungsgemäßen Urinals einer dritten Ausführungsform von der Rückseite her.

Further advantages and details of the present invention emerge from the exemplary embodiments described below and on the basis of the drawings. Show:

Fig. 1

a perspective view of a urinal according to the invention from the front,

Fig. 2

a perspective view of the urinal Figure 1 from behind with connected suction siphon

Fig. 3

an enlarged perspective view from behind without a suction siphon,

Fig. 4

a partial view, sectioned, through the back of the urinal in the area of the flushing water channel,

Fig. 5

a longitudinal sectional view through the urinal Fig. 2 ,

Fig. 6

a horizontal sectional view in the plane VI Figure 5 ,

Fig. 7

a horizontal sectional view in plane VII Fig. 5 ,

Fig. 8

a horizontal sectional view in the plane VIII Fig. 5 ,

Fig. 9

an enlarged view of the flushing nozzle,

Fig. 10

the rinsing nozzle off Fig. 9 in a sectional view,

Fig. 11

a view of the cut flushing head,

Fig. 12

a schematic representation of a urinal according to the invention of a second embodiment from the rear, and

Fig. 13

a schematic representation of a urinal according to the invention of a third embodiment from the rear.

The Fig. 1 and 2 show a sanitary facility 1 according to the invention, comprising a urinal 2 and a suction siphon 3 connected to the urinal. In a manner known per se, the urinal has a basin area 4 to which an outlet 5 is connected (see also FIG Fig. 3 and 5 ), whereby the exit 5, in relation to the assembly position of the urinal, has an upwardly extending, vertical leg 6 which is open towards the pelvic area 4, and a horizontal leg 7 which adjoins the vertical leg 6 and extends to the side. The outlet 5 is formed via corresponding channel-like sections on the part of the ceramic urinal 2, the section forming the horizontal leg 7 being formed as a connecting piece. On the horizontal legs 7 or the connecting piece forming it, see Fig. 5 , the suction siphon 3 is connected. The suction siphon 3 itself has a central connection section 8, which is followed by a helically wound section 9, which then merges into the siphon outlet 10 via a branch that slopes downwards.

How Fig. 5 can be seen, a flushing nozzle 11 is arranged on the urinal 2, which is arranged in a bore 12 in the rear wall 13 of the urinal 2. The flushing nozzle 11 has a water connection pipe 14 which emerges from the rear wall 13 and has a threaded section 15 onto which on the one hand a fastening nut can be screwed, but on the other hand a flushing water supply line can also be connected. The nozzle head 16 of the rinsing nozzle 11 is located in the basin area 4 and flushes the rinsing water into the basin area 4 at a sufficiently high pressure in order to clean it completely.

The rinsing water runs into the outlet 5, from where it runs into the suction siphon 3 and fills it continuously, just as the outlet 5 fills continuously. If the horizontal limb 7 is full, the water column in the vertical limb 6 rises until it reaches a corresponding level 17, which, see the double arrow P in FIG Figure 5 , is slightly higher than the maximum filling level in the suction siphon 3. There are hydraulic conditions that result in the flushing water being pushed through the suction siphon 3 due to the water column in the vertical leg 6 and flowing out with a high volume flow over the sloping branch 8 . This leads to the formation of a negative pressure in the upper area of the suction siphon 3, which leads to the rinsing water being sucked out of the outlet 5 very quickly, so that active suction takes place.

Since the rinsing water is supplied via the rinsing nozzle 11 with a relatively high pressure, but not with an excessively large volume flow, the outlet 5 is consequently sucked out relatively quickly, with the rinsing water supply to the rinsing nozzle 11 being regulated in such a way that, moreover, in order to save rinsing water the supply is stopped shortly after the suction process has started. Since there is no longer any rinsing water and, due to the high flow velocity, there is almost no rinsing water in the basin area 4 that would run, the negative pressure collapses relatively quickly when air is sucked in via the outlet 5.

In order to refill the suction siphon 3 in the lower section area with flushing water after the suction process has ended, in order to form a fluid odor trap, a flushing water channel 18 is formed in the sanitary device 1 according to the invention, which is an integral part of the urinal 1 here. This rinsing water channel 18 extends from the area of the bore 12 in the rear wall 13 to the outlet 5 or the horizontal leg 7, where it opens. As will be discussed below, a corresponding flushing water outlet is formed on the water connection pipe 14, via which the supplied flushing water runs into the flushing water channel 18 when flushing water is fed to the flushing nozzle 11. This amount of flushing water is consequently "branched off", that is to say that only a certain part of the total amount of flushing water is flushed via the nozzle head 16 into the basin area 4, while a second part flows into the flushing water channel 18. During the rinsing process, some rinsing water runs out of the rinsing water channel 18 also into the outlet 5 and, as long as the suction process is active, is also sucked off with the rinsing water sucked off from the basin area 4. However, the flushing water channel 18 is designed in such a way, which will be discussed below, that during the duration of the flushing water supply, more water is supplied than is draining, so that the flushing water channel is at least partially filled and a sufficient amount of flushing water from the flushing water channel is still available after the flushing water supply has ended 18 runs into the outlet 5 or the horizontal leg 7 when no more water runs from the basin area 4. This Water running from the rinsing water channel 18 then runs into the suction siphon 3, partially fills it and thus forms the odor trap.

In the rear perspective view in Fig. 3 , in which the suction siphon 3 is not shown, on the one hand the free end of the horizontal leg 7 of the outlet 5 is shown, on the other hand a ceramic component 20 attached and hinged to the back 19 of the urinal 2, which is used to form the flushing water channel 18. This ceramic component 20 is quasi-shell-shaped, has a flushing channel structure and, in connection with the rear wall 13, delimits the flushing water channel 18. It can be seen that the ceramic component 20 is designed to vary geometrically in order to form delaying means that delay the flow of the flushing water so that the flushing water channel is on the one hand can fill during the water supply and on the other hand the water drains delayed. It has an upper, quasi-round section 21 in which two depressions 22 are formed, which serve as flow obstacles. This round section 22 is adjoined by a section 23 with a greatly reduced cross section and slightly meandering shape, which then opens into the horizontal leg 7.

This leads to a cross-sectional geometry of the flushing water channel 18, as in FIG Fig. 4 is shown. The flushing water that enters the chamber-shaped flushing water channel 18 from the opening to be described in the water connection pipe 14 runs downward from there, whereby it must pass the flow obstacles 24, formed by the depressions 22, from where it then enters the meander-shaped , narrow channel section, which is also a little constricted at the upper end. During the duration of the flushing water supply, the flushing water channel 18 is at least partially filled. This leads to the fact that when the flushing water supply is ended and no more flushing water is introduced into the basin area 4 via the nozzle head 16 and the existing flushing water flows out of the basin area 4 very quickly, there is still a sufficient amount of flushing water in the flushing water channel 18, after in particular over the relatively narrow inlet cross-section in the transition to the horizontal leg 7 das Rinsing water from the rinsing water channel 18 can only run out slowly. The remaining, "branched" amount of flushing water now runs with a time delay from the flushing water channel 18 into the horizontal leg 7 and from there into the suction siphon 3, via which it is slowly at least partially refilled so that a fluidic odor trap is formed.

The flow obstacles 24 as well as the meandering ducting in the duct section 23 as well as, for example, the strong cross-sectional constriction in the duct section 25 thus represent delay devices which only allow the flushing water to flow out with a delay, i.e. the flushing water either has to flow around obstacles and consequently the flow path becomes longer , or due to the very narrow cross section in the channel section 25, or due to the meandering channel shape, in turn, has to cover a longer flow path.

Overall, however, this configuration of the flow channel 18 allows the after-running of the flushing water to be delayed after the general flushing water supply has ended, in order to ensure that the siphon 3 is refilled.

The Fig. 6-8 show horizontal sectional views of the urinal 2 in the area of the various sectional planes VI, VII and VIII in order to illustrate the design of the outlet 5 in more detail.

The sectional view according to Fig. 6 shows the outlet 5 cut in the area of the horizontal leg 7 and the vertical leg 6. The round cross section of the horizontal leg 7 has an inner diameter of 25-30 mm, for example 28 mm.

Fig. 7 shows a sectional view through the slightly higher plane VII. This shows on the one hand the vertical leg 6, which has a rounded-angular cross-section and in this sectional plane has a width a and a length b, with a in the range of approx. 30 mm and the length b is in the range of approx. 32 mm.

In this sectional view, the flushing water channel 18 is also shown for the first time, which, as it were, seen from the front, runs behind the vertical leg of the outlet 5. Compared to the cross section of the vertical leg 6, the flushing water channel 18 is significantly smaller, for example having a width of approx. 25 mm and a length of approx. 5 mm.

Figure 8 shows a sectional view in the plane VIII lying a little further above, which is already outside the vertical leg 6, but this can be seen from above in this illustration. In the upper area, that is to say in the transition to the pelvic area, which takes place at the edge 26, there is a somewhat larger width and length dimension a 'and b'. For example, the width a 'is approx. 34 mm and the length b' is approx. 38 mm. This means that the vertical leg 6 widens slightly in cross section towards the top. The height h of the vertical leg, see Fig. 5 , is approx. 8-10 cm. This means that a relatively narrow but relatively high vertical leg 6 is formed.

The Fig. 9-11 show in a detailed representation the flushing nozzle 11. As described, this comprises the water connection pipe 14 with its external thread 15 and the nozzle head 16 arranged on the water connection pipe 14. A flushing water outlet 27 in the form of a simple bore is provided on the water connection pipe 14, through which the external flushing water supply line supplied flushing water exits into the flushing channel 18. The amount of the rinsing water that practically continues to run and that creates the odor trap is diverted via this. In the assembly position, the flushing water outlet 27 is oriented quasi vertically downwards, so that the flushing water can enter the flushing water channel 18 without any problems.

When designing the urinal 2 with the flushing water channel 18 integrated on the urinal side, the flushing nozzle 11 can be designed in the form shown. If, however, as will be discussed below, a separate component is used to form the flushing water channel, the flushing water outlet 27 can either be designed as a simple radial bore in this case as well will be as shown. Alternatively, it can also be designed as a connection piece to which the duct component is connected.

The nozzle head has a front nozzle head plate 28, against which the flushing water accumulates, as can be seen clearly from the sectional view according to FIG Fig. 10 going in the direction of line X - X in Fig. 9 is cut, results. Several outlet channels through which the rinsing water exits extend from the nozzle head plate 28. A central distributor inlet 29 is shown, from which two first outlet channels 30 branch off to the side, adjacent to which second outlet channels 31 also branch off to the side, but at a slightly different outlet angle. The outlet channels 30, 31 are separated by a partition 32. The angle α of the first outlet channels 30, which emerge on opposite sides of the nozzle head 16, is approximately 17 ° to the horizontal, while the angle β of the second outlet channels 31 to the horizontal is approximately 32 °. The two first outlet channels 30 guide the washing water via the side surfaces to the front surface of the basin area 4, while the second outlet channels 31 guide the washing water into the middle side wall area and rinse it off.

A further distributor inlet 33 is provided, via which the rinsing water reaches the wide central outlet 34, which extends almost over the entire width of the nozzle head and therefore has an opening angle γ of 180 °, and flows off from there. The rear side of the basin area 4 is actively rinsed with high pressure via this central outlet 34.

This results in three separate flushing flows or flushing flows with differently directed flow directions, namely the two upper outlet channels 30 for the front pelvic area, the two middle second outlet channels 31 for the middle pelvic area and the outlet 34 for the rear pelvic area. How Fig. 11 shows, communicate quasi the second outlet channels 31 and the central outlet 34. It would be conceivable to extend the wall 35 shown to the side on both sides in order to separate the second outlet channels 31 from the central outlet 34.

The ones in the Figures 9-11 The rinsing nozzle shown thus shows a common water connection via which both the nozzle head 16 and the rinsing water outlet 27 are supplied with rinsing water. As a result, both the flushing water supply to the basin area 4 and into the flushing water channel 18 end at the same time. However, while the basin is draining very quickly, there is still a sufficient amount of flushing water in the flushing water channel 18 to refill the suction siphon 3.

Fig. 12 shows a sanitary device 1 according to the invention, in the form of a purely schematic illustration. This in turn comprises a urinal 2 and a suction siphon 3, shown here only in dashed lines. A flushing nozzle 11 is again arranged on the urinal 2, wherein in the rear view according to FIG Fig. 12 of this only the water connection pipe 14 can be seen. A connection piece 36 is provided on this in the example shown. Furthermore, in this exemplary embodiment, a connection piece 37 is arranged on the suction siphon 3, via which the flushing water is supplied for refilling.

The flushing water channel 18 is formed here by means of a separate channel component 38 which is arranged and fastened here in the form of a line 39 or a hose on the rear side of the urinal 2. The channel component 38 or the line or the hose is laid in a serpentine or meander shape and fixed accordingly, so that a relatively long flow path results. This long flow path in turn ensures that when the common flushing water supply to the nozzle head 16 and to the water outlet 27 is terminated, flushing water can continue to flow through the flushing channel 18 directly into the suction siphon 3 for a longer period of time, i.e. with a delay, in order to fill it again and to form the odor trap.

While Fig. 12 shows a separately arranged channel component 38 in the form of a line 39 or a hose, shows the sanitary device 1 according to Fig. 13 a channel component 38 which is arranged on the urinal 2, which channel component 38 is designed in the form of a water tank 40. This is again in the example shown connected to a corresponding connection piece 36 on the water connection pipe 14 and connected via a connection piece 41 to the connection piece of the urinal 2 forming the horizontal leg 7 of the outlet 5, so it opens here directly into the outlet 5.

The water tank 40 is provided with a large number of individual flow obstacles 42 in the form of deflecting wall sections to form a relatively long flow path, so that a relatively long flow path results and, in turn, a sufficient amount of flushing water is still in the water tank 40 and thus in the flushing water channel 18 even after the flushing water supply has ended that can continue to run to form the odor trap. The water tank 40 is preferably a simple plastic component, as is the line 39, so that elements that can be produced at low cost can be installed in a simple manner.

Claims (24)

Sanitary facility comprising a urinal and (2) a suction siphon (3) to be connected or connected to the urinal (2), the urinal (2) having a basin area (4) and a channel-like outlet (5) adjoining this, which has a above and one to the side extending leg (6, 7), the upwardly extending leg (6) ending above the maximum water level of the suction siphon (3) and the suction siphon (3) on the side extending leg (7) is to be connected or connected, characterized in that a flushing nozzle (13) is provided on the urinal (2), via which flushing water can be flushed into the basin area (4) under pressure, and that a device comprising a flushing water channel (18) for Refilling of the suction siphon (3) with rinsing water is planned after the suction process has ended. Sanitary facility according to Claim 1, characterized in that the flushing water channel (18) is integrated in the urinal (2). Sanitary facility according to Claim 2, characterized in that the flushing water channel (18) opens into the leg (7) of the outlet (5) which extends to the side. Sanitary facility according to Claim 1, characterized in that the flushing water channel (18) is formed with a separate channel component (38) fastened to the urinal (2). Sanitary facility according to claim 4, characterized in that the flushing water channel (18) opens in the side-extending leg (7) of the outlet (5) or in the suction siphon (3) itself. Sanitary facility according to Claim 5, characterized in that a bore or connection piece is provided on the urinal (2) or on the suction siphon (3) to which the duct component (38) is to be connected or connected. Sanitary facility according to one of the preceding claims, characterized in that the flushing water channel (18) can be supplied with flushing water via the same flushing water supply line via which the flushing water is fed to the flushing nozzle (11), or that a separate flushing water connection is provided via which the flushing water channel ( 18) can be supplied with flushing water. Sanitary facility according to one of the preceding claims, characterized in that means for delaying the inflow of the flushing water into the siphon are provided in the flushing water channel (18) and / or that the flushing water channel (18) has a length and / or geometry ensuring a delayed flushing water inflow. Sanitary facility according to claim 8, characterized in that one or more flow obstacles (24) are provided in the flushing water channel (18) and / or that the flow cross-section of the flow channel (18) changes over its length and / or that the flushing water channel (18) changes branched into two or more channel sections that converge again, and / or that the flushing water channel (18) is wound one or more times between the flushing water inlet and the flushing water outlet. Sanitary device according to one of the preceding claims, characterized in that the upwardly extending leg (6) of the outlet (5) has a length of 5-12 cm and a cross-sectional area of 8-14 cm ² . Sanitary facility according to one of the preceding claims, characterized in that the flushing nozzle (11) has a water connection pipe (14) on which a flushing water outlet (27) which communicates with the flushing water channel (18) is also provided. Sanitary facility according to Claim 11, characterized in that the flushing water outlet (27) is designed as a radial bore or as a radially projecting connection piece (36). Sanitary device according to one of the preceding claims, characterized in that the flushing nozzle (11) has two first outlet channels (30) which run to opposite sides of the flushing nozzle (11) and at an angle to the horizontal, two second outlet channels (31) which run to both Sides and extend at an equal or greater angle to the horizontal, and a central outlet (34) which is arranged between the two second outlet channels (31). Sanitary facility according to Claim 13, characterized in that the first and second outlet channels (30, 31) have a common inlet (29) and are separated by a partition (32). Sanitary facility according to claim 13 or 14, characterized in that the angle (a) of the first outlet channels (30) to the horizontal ≥ 13 °, in particular between 15 ° - 20 ° and preferably 17 °, and / or the angle (β) of the second Outlet channels (31) to the horizontal is 20 °, in particular between 25 ° -45 ° and preferably 32 °. Urinal for a sanitary facility according to one of the preceding claims, comprising a basin area (4) and an outlet (5) adjoining this, which has an upwardly extending leg (6, 7) and a side extending leg (6, 7), characterized in that a fastening receptacle for a flushing nozzle, via which flushing water can be flushed into the basin area (4) under pressure, as well as an integrated flushing water channel (18) running externally to the basin area and opening into the outlet, through which flushing water can be supplied to refill the suction siphon (3) to be connected with flushing water after the suction process has ended, is provided. Urinal according to Claim 16, characterized in that the flushing water channel (18) opens into the leg (7) of the outlet (5) which extends to the side. Urinal according to claim 16 or 17, characterized in that means for delaying the inflow of the flushing water into the suction siphon are provided in the flushing water channel (18) and / or that the flushing water channel (18) has a length and / or geometry ensuring a delayed flushing water inflow. Urinal according to claim 18, characterized in that one or more flow obstacles (24) are provided in the flushing water channel (18), and / or that the flow cross-section of the flow channel (18) changes over its length and / or that the flushing water channel (18) changes branched into two or more channel sections that converge again, and / or that the flushing water channel (18) is wound one or more times between the flushing water inlet and the flushing water outlet. Urinal according to one of Claims 16 to 19, characterized in that the upwardly extending leg (6) of the outlet (5) has a length of 5-12 cm and a cross-sectional area of 8-14 cm ² . Rinsing nozzle for a sanitary facility (1) according to one of the preceding claims, comprising a water connection pipe (14) and a nozzle head (16) connected to it, the nozzle head (16) having at least one outlet channel, characterized in that on Water connection pipe (14) a flushing water outlet designed as a radial bore (27) or as a radially projecting connection piece (36) is provided. Rinsing nozzle according to Claim 21, characterized in that the rinsing head (16) has two first outlet channels (30) which run to opposite sides of the rinsing head (16) and at an angle to the horizontal, two second outlet channels (31) which run on both sides and extend at the same or a greater angle to the horizontal, as well as a central outlet (34) which is arranged between the two second outlet channels (31). Rinsing nozzle according to Claim 21 or 22, characterized in that the first and second outlet channels (30, 31) have a common inlet (29) and are separated by a partition (32) Rinsing nozzle according to Claim 23, characterized in that the angle (a) of the first outlet channels (30) to the horizontal is ≥ 13 °, in particular between 15 ° -20 ° and preferably 17 °, and / or the angle (β) of the second outlet channels ( 31) to the horizontal is ≥ 20 °, in particular between 25 ° -45 ° and preferably 32 °.

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