EP3085839B1 - Safety bridge for free drainage and free drain assembly - Google Patents

Safety bridge for free drainage and free drain assembly Download PDF

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Publication number
EP3085839B1
EP3085839B1 EP15003151.6A EP15003151A EP3085839B1 EP 3085839 B1 EP3085839 B1 EP 3085839B1 EP 15003151 A EP15003151 A EP 15003151A EP 3085839 B1 EP3085839 B1 EP 3085839B1
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EP
European Patent Office
Prior art keywords
funnel
safety bridge
drain
connecting plate
safety
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EP15003151.6A
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German (de)
French (fr)
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EP3085839A1 (en
EP3085839B8 (en
Inventor
Willi Laut
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Individual
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Individual
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Priority to PL15003151T priority Critical patent/PL3085839T3/en
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Publication of EP3085839B8 publication Critical patent/EP3085839B8/en
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02Plumbing installations for fresh water
    • E03C1/10Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/102Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using an air gap device
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/122Pipe-line systems for waste water in building
    • E03C1/1222Arrangements of devices in domestic waste water pipe-line systems

Definitions

  • the invention relates to a safety bridge for realizing a free drain with a funnel siphon to prevent contamination of drinking water by backflow, suction or back pressure of water, as well as a free drain arrangement which comprises the safety bridge.
  • One of the measures proposed in this context is the implementation of a so-called free drain, which provides that the mouths of the corresponding hose, plastic or metal lines above the open funnel siphon that absorbs the drained water at a distance of at least 20 mm to the upper edge of the Funnel siphons are to be arranged so that, in the event of a backflow, water already drained into the funnel siphon enters the intermediate area between the upper edge of the siphon and the end of the one mentioned above Waste water pipes can escape freely. This means that it cannot rise upwards through the mentioned waste water pipes in the opposite direction to the discharge direction and possibly come into contact with drinking water, so that this could then possibly be contaminated.
  • the implementation of a free flow therefore primarily serves to prevent backflow, so that a possible, even retrograde contamination of the drinking water with corresponding dangers for the end user can be excluded.
  • the installers and processors working in this context essentially rely on improvising in such a way that the waste water pipes fed to an open funnel siphon are deflected on the one hand in such a way that the distance required by DIN EN 1717 of at least 20 mm is maintained is, but at the same time it is also prevented that the running water splashes or flows into the area outside the funnel siphon: This can lead to practical difficulties on site, in particular in cases where several sewage pipes are fed to a single funnel siphon.
  • Another problem is that, in the interest of consumer and drinking water protection, existing installations must also be changed so that the required minimum clearance of at least 20 mm is also maintained for these existing installations in order to achieve a free flow.
  • a safety bridge according to the invention is designed to be used with a funnel siphon to achieve a free drain, so that if one or more drain line (s) are arranged at a distance above the funnel of the funnel siphon, drinking water contamination by backflow, suction or backpressure of water is reliably prevented. by placing the safety bridge in an instruction for use on the funnel of the funnel siphon.
  • the safety bridge which is also more generally to be referred to as a safety device, has at least one connection plate with at least one connection opening, to which the drain line when the safety bridge is mounted on the funnel siphon, i.e. when the safety bridge is used, which is in a common use arrangement of the drain line with the funnel siphon and the safety bridge is present, can be arranged.
  • the safety bridge is advantageously provided with a spacing device which extends away from the at least one connection plate out of the plane which is defined by the connection plate (s).
  • the spacing device forms an angle to the connection plate, which can be approximately 90 °.
  • the spacing device can also be non-perpendicular to the connection plate.
  • the spacing device is dimensioned such that the connection plate (or even a plurality of connection plates), when the safety bridge is arranged on the funnel siphon, is at a distance from the upper edge of the funnel siphon that is greater than or equal to a predetermined minimum distance for the free drain, so that the lower edge of the the drain line arranged at the connection opening has at least the predetermined minimum distance, which is at least 20 mm, from the top edge of the funnel of the funnel siphon.
  • the minimum distance must be greater than an inner diameter of the drain line of the funnel siphon, which in turn must be greater than that of the drain line, which is arranged at the connection opening of the connection plate.
  • the distance between the lower edge of the drain pipe and the upper edge of the funnel siphon should correspond to at least twice the inner diameter of the drain pipe.
  • the spacing device is formed by a wall or by a plurality of spacer webs which are arranged distributed over the outer circumference of the at least one connection plate.
  • the wall or the spacer webs are interrupted by at least one window below that defined by the at least one connection plate Level is provided.
  • the window allows the discharge of dirty water, which may overflow from the funnel, so that no dirty water can penetrate into the drain line (s) connected to the safety bridge.
  • the window is used to observe the drain from the connected drain or leakage water pipes so that unwanted water losses can be recognized immediately without great effort.
  • the wall or the plurality of spacer webs delimits an arrangement of two (or also more) connection plates which are separated by at least one drain plate which is offset downwards.
  • an offset of the drainage plate with respect to the connection plates is selected such that the at least one drainage plate, when the safety bridge is arranged on the funnel siphon, is at a distance from the upper edge of the funnel siphon that is greater than or equal to the predetermined minimum distance for the free drain, that is to say at least 20 mm .
  • the window extends - there may be several - in the wall adjacent to and below the drain plate.
  • a drain line can be arranged here in such a way that it simply opens into the space between the two connection plates above the drain plate.
  • the inside diameter of the drain pipe of the funnel siphon be larger than the inside diameter of the drain pipe, but also the area of the drain opening or the total area of the drain openings must be dimensioned accordingly.
  • the safety bridge corresponds in cross-sectional shape and / or surface extension to the funnel opening delimited by the top edge.
  • the spacing device can run at least essentially perpendicularly and can be arranged at right angles to the surface extension of the at least one connection plate.
  • a single drain plate can be provided between the connection plates, which has at least one drain opening, preferably a plurality of drain openings, or two drain plates arranged opposite one another on the wall and delimiting a gap-shaped drain opening between them, the drain plates leading to the gap-shaped drain opening are inclined downwards.
  • the spacing device on the side facing away from the at least one connection plate can be firmly connected to a funnel on its upper edge.
  • the funnel is designed for connection to a drain line of a funnel siphon.
  • the safety bridge with the funnel is a single unit.
  • connection plate on its upper side which points away from the funnel siphon in the arrangement on the funnel siphon, can have one or more hollow connection pins which engage in the connection opening (s) of the connection plate ( n) flows.
  • connection opening (s) of the connection plate ( n) flows.
  • the hollow connecting pin can be straight or angled and attached to the connecting plate, preferably releasably and interchangeably.
  • the connection pin or pins can taper / taper in such a way that the connection pin can be cut to length with a predetermined connection cross section.
  • the number or diameter of the at least one connection opening in the at least one connection plate can be selected by means of markings / predetermined breaking points to create the connection opening, i. This means that the appropriate connection openings in the connection plate are only opened during assembly.
  • connection plate can have a plurality of connection openings with the same or different diameters, or in the case of two or more connection plates, each connection plate can have at least one connection opening which are of the same or different design.
  • connection plate is designed to be interchangeable, wherein a plurality of interchangeable connection plates can be provided for the safety bridge and the interchangeable connection plates can differ with regard to the number and / or size of the connection openings.
  • the safety bridge is designed to be interchangeable, wherein a plurality of interchangeable connection plates can be provided for the safety bridge and the interchangeable connection plates can differ with regard to the number and / or size of the connection openings.
  • the funnel has a safety bridge according to the invention, which is arranged on the funnel or forms a structural unit with it.
  • the at least one drain line is arranged on the at least one connection opening of the at least one connection plate of the safety bridge.
  • the invention relates to a safety bridge, also simply referred to as a safety device, which is used to implement a free flow to prevent drinking water contamination by backflow, suction or backpressure of water.
  • the safety bridge according to the invention can be used both in new installations, but in particular can also be used to retrofit existing funnel siphon drains.
  • FIGS. 1 and 2 show a safety bridge 1 mounted on a funnel siphon of an embodiment not according to the invention, in which the safety device 1, which is mounted on a funnel 2 with a drain line 3 adjoining in the discharge direction and an odor trap 4, simply consists of a connection plate 5 with several connection openings 6 and several There is spacer webs 7 distributed over the outer circumference as a spacing device, through which the connecting plate 5 is arranged at a defined distance from the upper edge 10 of the funnel siphon 2.
  • Fig. 5 is sketched and in which the correct compliance with the required minimum distance A of the lower edge of the drain lines 15 above the upper edge 10 of the funnel siphon 2 depends solely on the conscientiousness and manual dexterity of the fitter, is arranged by the safety bridge 1, which is arranged on the funnel siphon 2 This ensures that the lower edges of the drain lines (not shown in the other figures), which are arranged at the connection openings 6, are spaced apart from the upper edge 10 of the funnel siphon 2 at a distance defined by the length of the spacing webs 7.
  • the length of the spacer webs 7 is dimensioned so that the current or future requirements for a free flow are guaranteed.
  • Fig. 3 shows a modified embodiment of the safety bridge 1, which is also mounted on a funnel siphon 2.
  • the distance between the connecting plate 5 and the upper edge 10 of the funnel siphon 2 is conveyed by the spacing webs 7, which are arranged distributed over the outer circumference of the connecting plate 5.
  • the spacer webs 7 according to the in Fig. 3 Detailed view shown on its end facing away from the connection plate 5 as a positioning means on a snap hook 11 which engages under the upper edge 10 of the funnel siphon 2.
  • all spacer webs 7 are provided with such a snap hook 11, so that after hooking the snap hook 11 below the circumferential upper edge 10 of the funnel siphon 2 the connection plate 5 and thus also the safety bridge 1 is detachably mounted as intended above the funnel siphon 2.
  • a clip solution with a clamping device is also conceivable as a positioning means, with which the safety bridge can be clipped onto the upper edge of the funnel siphon, so that the connection plate is intended to be placed above the funnel siphon in via the spacer webs the defined distance is fixed.
  • Another detachable fastening of the safety bridge can provide that the spacer webs are guided through subsequently drilled or already existing holes in the circumferential upper edge of the funnel siphon, the position of which corresponds to the circumferentially spaced spacer webs, and in a position that corresponds to the required minimum distance of 20 mm of the connection plate with respect to the top edge of the funnel siphon, for example by means of a lock nut.
  • connection plate 5 When executed as shown in Fig. 3 the connection plate 5 is provided with a plurality of connection pins 12, which are hollow and open into the connection openings 6.
  • the connecting pins 12 taper in steps with increasing distance from the connecting plate 5, so that different connecting cross-sections for different drain lines can be realized by cutting the connecting pins 12 to a different distance from the top of the connecting plate 5.
  • the connection pins 12 can be realized in different designs, namely once as a straight connection pin 12 or as a developed connection pin 12, so that both horizontally or vertically laid drain lines can be connected using the connection pins 12.
  • These connecting pins 12 are used to connect the drain lines to be installed or already existing, so that the mouths of the drain lines are connected above the connection plate 5, so that existing installations can also be connected to the safety bridge according to the invention in a simple manner.
  • Fig. 4 shows a funnel siphon device not according to the invention
  • the arrangement of quasi Fig. 3 corresponds - but here the safety bridge 1 is not as in Fig. 3 releasably attached to the funnel siphon 2, but firmly connected to it.
  • positioning means on the side of the spacing device (here the spacing webs 7) facing away from the connection plate can be omitted.
  • the funnel siphon device can be made in one piece from funnel 2 and safety bridge 1.
  • an existing funnel which is fastened on a drain line 3
  • a funnel siphon device according to the invention for example by means of retrofitting, so that a free flow in the sense of DIN EN 1717 can also be realized here.
  • the spacing of the connecting plate by the spacing webs means that the required distance from the upper edge of the funnel siphon, for example at least 20 mm, is maintained in any case, so that a free drain is realized below the connecting plate is, through which water escaping between the spacer webs, for example over the upper edge of the funnel siphon, can come into contact without coming into contact with the mouth of the drain line or the water discharged in this drain line.
  • the free drain prevents that in the event of backflow, suction or back pressure of discharged water can rise up through the drain line and possibly come into contact with drinking water.
  • connection plate 5 covers the opening of the funnel 2 delimited by the top edge 10 of the funnel, and the spacing device consists of perpendicularly spacing webs which are arranged distributed over the circumference of the connection plate 5.
  • the three connection openings 6 shown in the connection plate 5 or connection pin 12 are only to be regarded as an example. Of course, only one connection opening 6 or pin 12 or two, four or more connection openings 6 or pin 12 can also be provided. Not only can the connection pins 12 differ in their design, the connection openings 6 can also be designed differently and, for example, have different diameters.
  • a safety bridge 1 according to the invention is shown. The differences to those related to 1 to 4 Descriptions described is that the in 6 to 10 Safety bridge 1 shown has two connection plates 5 or connection plate sections 5 with connection openings 6, which are separated from one another by a drain plate 5 'which is offset downwards and has one or more drain openings 6'.
  • the spacing device consists of a circumferential wall 7 ', which comprises the connection plates 5 and the drain plate 5', which is offset downwards.
  • the drainage plate 5 ' is arranged within the wall 7' in such a way that when the safety bridge 1 is arranged on the funnel siphon 2, it is at a distance from the upper edge 10 of the funnel siphon 2 which is greater than or equal to the predetermined minimum distance A for free drainage.
  • the wall 7' has an opening or a window 7 'in the area adjacent to and below the drain plate 5' at least on one side, preferably on both sides, so that below the Drainage plate 5 'a free drain is realized by z 2 over the upper edge 10 of the funnel siphon. B. escaping from backwater (dirty) water without coming into contact with the mouth of the drain pipe or the water discharged in this drain pipe.
  • FIG. 6 and Fig. 7 The variant shown differs on the one hand in the design of the discharge opening 6 'from that in FIG Fig. 8 and 9 Embodiment shown: In the first case there is simply a gap 6 'between the two downward sloping drain plate sections 5', in the second case several circular holes 6 'arranged in a circle.
  • Fig. 10 shows a variant in which the drain plate 5 'is designed as a grating and thus has a plurality of drain openings 6', of which in Fig. 10 only one is provided with reference numerals for the sake of clarity.
  • Such a grate drainage plate 5 ' can - like in principle any other drainage plate 5' with drainage openings 6 '- be designed to be removable, so that the drainage plate 5' can be briefly removed, cleaned and reinserted in the event of accumulated dirt.
  • the drainage plate can have, for example, an upwardly projecting handle device (not shown in the figures) which can be gripped by hand or with an aid to pull the drainage plate upwards out of the safety bridge or to pivot it.
  • the drain plate could follow Be designed as a drawer, so that the drain plate can be pulled out of the safety bridge.
  • a bead 11 'running around the wall 7' is shown as a positioning means, which extends at the level of the lower edge of the window 7 ".
  • the section of the wall 7 'below the bead 11' is received in the funnel 2, so that the bulge 11 'comes to rest on the upper edge 10 of the funnel 2.
  • the drain plate 5' and, of course, also connection plates 5 arranged above the drain plate level have the minimum distance A from the upper edge 10 of the funnel 2.
  • the positioning means of the safety bridge 1 in Fig. 8 which are formed by a plurality of projections 11 'distributed around the circumference of the wall at the level of the lower edge of the window 7 ", allow the bead 11' to rest on the upper edge 10 of the funnel 2, the wall section underneath being received by the funnel.
  • Fig. 9 shows as a positioning means snap hooks 11, which are designed here to grip around the upper edge of the funnel siphon from the outside, while here too the wall section lying below the lower edge of the window 7 "is received by the funnel.
  • the safety bridges 1 can according to the in 6 to 9 examples shown also hollow connecting pins 12, as in Fig. 3 and 4th shown, have at one or more of the connection openings 6.
  • connection plate is spaced from the upper edge of the funnel siphon not by spacer webs but by an interrupted wall.
  • connection plates with or without an intervening drain plate
  • connection openings of each connection plate in order to enable the best possible adaptability to different drain lines.
  • connection plate section 5 has two connection openings 6 and the second connection plate section 5 has markings or predetermined breaking points 8 for further connection openings.
  • markings or predetermined breaking points 8 for further connection openings.
  • the number or diameter of the connection openings in each connection plate can be selected by means of markings or predetermined breaking points to create the appropriate connection opening.
  • connection plate or a surface spanned by connection plates corresponds to the shape and / or dimensioning of the funnel opening and the wall between them runs essentially perpendicularly, but here is also a different shape and / or dimensioning of the Connection plate or the area spanned by the connection plates conceivable so that the wall does not run vertically.
  • connection openings within the connection plate lies within the area spanned by the top edge of the funnel in order to avoid that water escaping from the drain line misses the funnel, it is with the wall - quasi as Continuation of the funnel wall - possible to design connection plates or connection plate arrangements that extend beyond the area of the funnel opening.
  • a safety bridge is thus described above, with the help of which, both in new installations and in existing drain pipes on drinking water installations, the free drain required in the context of DIN EN 1717 can be easily achieved either by placing a safety bridge on a funnel siphon already available on site can or alternatively, a funnel siphon device with an integrated safety bridge can be installed instead of an existing funnel siphon.
  • the safety bridge according to the invention offers the advantage of easier installation in that the required free drainage is achieved in any case by positioning the connection plate (s) at the required distance above the circumferential upper edge of the funnel siphon.
  • the safety bridge via the connecting pins offers simplified and advantageous connection options for existing drain lines, so that the safety bridge can be easily installed or retrofitted.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Sink And Installation For Waste Water (AREA)

Description

Die Erfindung betrifft eine Sicherheitsbrücke zur Realisierung eines freien Ablaufs mit einem Trichtersiphon zur Verhinderung von Trinkwasserverunreinigung durch Rückfließen, Rücksaugen oder Rückdrücken von Wasser sowie eine Freiablaufanordnung, die die Sicherheitsbrücke umfasst.The invention relates to a safety bridge for realizing a free drain with a funnel siphon to prevent contamination of drinking water by backflow, suction or back pressure of water, as well as a free drain arrangement which comprises the safety bridge.

Aus dem Stand der Technik sind grundsätzlich Vorrichtungen bekannt, die das Zurückfließen von Flüssigkeiten aus Abflüssen in die zugehörigen Zuflüsse verhindern sollen. So nennt die US 4 467 830 A in D1 eine Vorrichtung zum Ableiten von Wasser aus Ablaufleitung(en) in ein Abwassersystem, die ähnlich einem Trichtersiphon gestaltet ist, in dessen Wandung Öffnungen geschnitten sind, aus denen zurückgedrücktes Wasser abfließen kann. Die DE 20 2008 011 255 U1 offenbart einen Systemtrenner, wie er bspw. in Freizeitfahrzeugen eingesetzt wird. Weiter offenbart DE 20 2005 002 415 U1 einen Bauteilsatz zum modularen Erstellen einer Ablaufanordnung und US 2009/0301566 A1 schließlich beschreibt ein Rückstauverhinderungssystem, zur Installation mit Ablaufleitungen.In principle, devices are known from the prior art which are intended to prevent the backflow of liquids from outflows into the associated inflows. That's what she calls US 4,467,830 A in D1 a device for draining water from drain line (s) into a sewage system, which is designed similar to a funnel siphon, in the wall of which openings are cut, from which water which has been pushed back can flow out. The DE 20 2008 011 255 U1 discloses a system separator such as that used in recreational vehicles. Revealed further DE 20 2005 002 415 U1 a set of components for modular creation of a sequence arrangement and US 2009/0301566 A1 finally describes a backflow prevention system for installation with drain pipes.

Weiter ist es bekannt, insbesondere in Verbindung mit den Wasserinstallationen in Haushalten, einen oder mehrere Abläufe von Brauchwasser, wie z. B. die Abblaseleitung eines wasserseitigen Sicherheitsventils, in einen nach oben geöffneten Trichtersiphon münden zu lassen, durch den dann das ablaufende Wasser in der Regel unter Überwindung eines Geruchsverschlusses letztlich in die Kanalisation abgeführt wird. In diesem Zusammenhang ist nach Umsetzung der DIN EN 1717 im Mai 2001 im nationalen Recht vorgeschrieben, Maßnahmen zur Verhütung von Trinkwasserverunreinigungen durch Rückfließen, Rücksaugen oder Rückdrücken von ablaufendem Wasser etwa im Falle einer Verstopfung zu treffen.Furthermore, it is known, especially in connection with the water installations in households, one or more processes of industrial water, such as. B. the blow-off line of a water-side safety valve to open into an upwardly open funnel siphon through which the draining water is then ultimately discharged into the sewer system, usually by overcoming an odor trap. In this context, according to the implementation of DIN EN 1717 in May 2001, national law requires measures to be taken to prevent drinking water contamination by flowing back, sucking back or pushing back running water, for example in the event of a blockage.

Eine der in diesem Zusammenhang vorgeschlagenen Maßnahmen ist die Realisierung eines so genannten freien Ablaufs, der vorsieht, dass die Mündungen der entsprechenden Schlauch-, Kunststoff- oder Metallleitungen oberhalb des das abgeleitete Wasser aufnehmenden, offenen Trichtersiphons in einem Abstand von wenigstens 20 mm zur Oberkante des Trichtersiphons anzuordnen sind, so dass im Falle der Ausbildung eines Rückstaus bereits in den Trichtersiphon abgeleitetes Wasser in den Zwischenbereich zwischen der Oberkante des Siphons und dem Ende der vorstehend angesprochenen Abwasserleitungen frei austreten kann. Das bedeutet, dass es also nicht durch die erwähnten Abwasserleitungen entgegen der Abflussrichtung nach oben steigen und gegebenenfalls mit Trinkwasser in Berührung kommen kann, so dass dieses dann gegebenenfalls verunreinigt werden könnte.One of the measures proposed in this context is the implementation of a so-called free drain, which provides that the mouths of the corresponding hose, plastic or metal lines above the open funnel siphon that absorbs the drained water at a distance of at least 20 mm to the upper edge of the Funnel siphons are to be arranged so that, in the event of a backflow, water already drained into the funnel siphon enters the intermediate area between the upper edge of the siphon and the end of the one mentioned above Waste water pipes can escape freely. This means that it cannot rise upwards through the mentioned waste water pipes in the opposite direction to the discharge direction and possibly come into contact with drinking water, so that this could then possibly be contaminated.

Die Realisierung eines freien Ablaufs dient demnach vornehmlich einer Rückflussverhinderung, so dass eine mögliche, auch retrograde Verkeimung des Trinkwassers mit entsprechenden Gefährdungen für die Endverbraucher ausgeschlossen werden kann.The implementation of a free flow therefore primarily serves to prevent backflow, so that a possible, even retrograde contamination of the drinking water with corresponding dangers for the end user can be excluded.

Im Rahmen der Umsetzung dieser Vorschrift sind die in diesem Zusammenhang tätigen Installateure und Verarbeiter im Wesentlichen darauf angewiesen, derart zu improvisieren, dass die einem offenen Trichtersiphon zugeführten Abwasserleitungen einerseits so abgelenkt werden, dass der in der DIN EN 1717 geforderte Abstand von wenigstens 20 mm eingehalten ist, aber im Übrigen gleichzeitig auch verhindert wird, dass das ablaufende Wasser in den Bereich außerhalb des Trichtersiphons spritzt oder fließt: Dies kann insbesondere in Fällen, in denen mehrere Abwasserleitungen einem einzigen Trichtersiphon zugeführt werden zu praktischen Schwierigkeiten vor Ort führen. In vielen Fällen werden daher eher Lösungen gewählt, die den unerwünschten Austritt von ablaufendem Wasser sicher verhindern, so dass die entsprechenden Leitungen in der Praxis eher unterhalb der Oberkante des Trichtersiphons oder zumindest auf dem Niveau der Oberkante des Trichtersiphons abgelängt werden, so dass der in der DIN EN 1717 geforderte freie Ablauf in diesen Fällen gerade nicht realisiert wird.As part of the implementation of this regulation, the installers and processors working in this context essentially rely on improvising in such a way that the waste water pipes fed to an open funnel siphon are deflected on the one hand in such a way that the distance required by DIN EN 1717 of at least 20 mm is maintained is, but at the same time it is also prevented that the running water splashes or flows into the area outside the funnel siphon: This can lead to practical difficulties on site, in particular in cases where several sewage pipes are fed to a single funnel siphon. In many cases, solutions are therefore chosen that reliably prevent the unwanted discharge of water that runs out, so that in practice the corresponding lines are cut to length below the top edge of the funnel siphon or at least at the level of the top edge of the funnel siphon, so that the in the In these cases, DIN EN 1717 requires that the free process is not realized.

Ein weiteres Problem besteht darin, dass im Interesse des Verbraucher- und Trinkwasserschutzes auch bestehende Installationen so geändert werden müssen, dass auch bei diesen Bestandsinstallationen der geforderte Mindestabstand von wenigstens 20 mm zur Realisierung eines freien Ablaufs eingehalten ist.Another problem is that, in the interest of consumer and drinking water protection, existing installations must also be changed so that the required minimum clearance of at least 20 mm is also maintained for these existing installations in order to achieve a free flow.

Ausgehend von diesem Stand der Technik ist es Aufgabe der vorliegenden Erfindung, eine Vorrichtung zu schaffen, mit der ein freier Ablauf sowohl bei Neuinstallationen als auch bei Bestandsinstallationen entsprechend den Vorgaben einfach zu installieren und kostengünstig umzusetzen ist.Starting from this prior art, it is an object of the present invention to provide a device with which a free flow can be installed easily and inexpensively, both in new installations and in existing installations, in accordance with the specifications.

Diese Aufgabe wird durch eine Sicherheitsbrücke mit den Merkmalen des Anspruchs 1 und durch eine Freiablaufanordnung mit den Merkmalen des Anspruchs 12 gelöst.This object is achieved by a safety bridge with the features of claim 1 and by a free-flow arrangement with the features of claim 12.

Weiterbildungen der Sicherheitsbrücke sind in den Unteransprüchen ausgeführt.Further developments of the safety bridge are set out in the subclaims.

Eine erfindungsgemäße Sicherheitsbrücke ist dazu ausgebildet, mit einem Trichtersiphon zur Realisierung eines freien Ablaufs eingesetzt zu werden, so dass bei Anordnung einer oder mehrerer Ablaufleitung(en) mit Abstand über dem Trichter des Trichtersiphons Trinkwasserverunreinigung durch Rückfließen, Rücksaugen oder Rückdrücken von Wasser zuverlässig verhindert wird, indem die Sicherheitsbrücke in einer Gebrauchsanordnung auf dem Trichter des Trichtersiphons angeordnet wird. Die Sicherheitsbrücke, die allgemeiner auch als Sicherheitsvorrichtung zu bezeichnen ist, hat zumindest eine Anschlussplatte mit zumindest einer Anschlussöffnung, an der die Ablaufleitung bei Montage der Sicherheitsbrücke auf dem Trichtersiphon, also bei Gebrauchsanordnung der Sicherheitsbrücke, die in einer gemeinsamen Gebrauchsanordnung der Ablaufleitung mit dem Trichtersiphon und der Sicherheitsbrücke vorliegt, angeordnet werden kann. Ferner ist die Sicherheitsbrücke vorteilhaft mit einer Distanzierungseinrichtung versehen, die sich von der zumindest einen Anschlussplatte aus der Ebene weg erstreckt, die durch die Anschlussplatte(n) definiert wird. D. h., die Distanzierungseinrichtung bildet einen Winkel zu der Anschlussplatte, der um ca. 90° betragen kann. Die Distanzierungseinrichtung kann aber auch nicht-rechtwinklig zu der Anschlussplatte stehen. Die Distanzierungseinrichtung ist dabei derart bemessen, dass die Anschlussplatte (oder eben mehrere Anschlussplatten) bei Anordnung der Sicherheitsbrücke auf dem Trichtersiphon einen Abstand zur Oberkante des Trichtersiphons aufweist, der größer oder gleich einem vorbestimmten Mindestabstand für den freien Ablauf ist, so dass die Unterkante der an der Anschlussöffnung angeordneten Ablaufleitung zumindest den vorbestimmten Mindestabstand, der zumindest 20 mm beträgt, zur Trichteroberkante des Trichtersiphons aufweist. Ferner muss der Mindestabstand größer sein, als ein Innendurchmesser der Abflussleitung des Trichtersiphons, der wiederum größer sein muss, als der der Ablaufleitung, die an der Anschlussöffnung der Anschlussplatte angeordnet wird. Insbesondere sollte der Abstand zwischen der Unterkante der Ablaufleitung und der Oberkante des Trichtersiphons zumindest dem doppelten Innendurchmesser der Abflussleitung entsprechen.A safety bridge according to the invention is designed to be used with a funnel siphon to achieve a free drain, so that if one or more drain line (s) are arranged at a distance above the funnel of the funnel siphon, drinking water contamination by backflow, suction or backpressure of water is reliably prevented. by placing the safety bridge in an instruction for use on the funnel of the funnel siphon. The safety bridge, which is also more generally to be referred to as a safety device, has at least one connection plate with at least one connection opening, to which the drain line when the safety bridge is mounted on the funnel siphon, i.e. when the safety bridge is used, which is in a common use arrangement of the drain line with the funnel siphon and the safety bridge is present, can be arranged. Furthermore, the safety bridge is advantageously provided with a spacing device which extends away from the at least one connection plate out of the plane which is defined by the connection plate (s). In other words, the spacing device forms an angle to the connection plate, which can be approximately 90 °. The spacing device can also be non-perpendicular to the connection plate. The spacing device is dimensioned such that the connection plate (or even a plurality of connection plates), when the safety bridge is arranged on the funnel siphon, is at a distance from the upper edge of the funnel siphon that is greater than or equal to a predetermined minimum distance for the free drain, so that the lower edge of the the drain line arranged at the connection opening has at least the predetermined minimum distance, which is at least 20 mm, from the top edge of the funnel of the funnel siphon. Furthermore, the minimum distance must be greater than an inner diameter of the drain line of the funnel siphon, which in turn must be greater than that of the drain line, which is arranged at the connection opening of the connection plate. In particular, the distance between the lower edge of the drain pipe and the upper edge of the funnel siphon should correspond to at least twice the inner diameter of the drain pipe.

Dabei wird die Distanzierungseinrichtung durch eine Wandung oder durch eine Mehrzahl Abstandsstege gebildet, die über den Außenumfang der zumindest einen Anschlussplatte verteilt angeordnet sind. Die Wandung bzw. die Abstandsstege sind durch zumindest ein Fenster unterbrochen, das unterhalb der durch die zumindest eine Anschlussplatte definierten Ebene vorgesehen ist. Hier gestattet das Fenster den Austritt von Schmutzwasser, das gegebenenfalls aus dem Trichter überläuft, so dass kein Schmutzwasser in die an der Sicherheitsbrücke angeschlossene(n) Ablaufleitung(en) eindringen kann. Ferner dient das Fenster zur Beobachtung des Ablaufs aus den angeschlossenen Ablauf- oder auch Leckwasserleitungen, damit unerwünschte Wasserverluste ohne größeren Aufwand sofort erkannt werden können.The spacing device is formed by a wall or by a plurality of spacer webs which are arranged distributed over the outer circumference of the at least one connection plate. The wall or the spacer webs are interrupted by at least one window below that defined by the at least one connection plate Level is provided. Here, the window allows the discharge of dirty water, which may overflow from the funnel, so that no dirty water can penetrate into the drain line (s) connected to the safety bridge. Furthermore, the window is used to observe the drain from the connected drain or leakage water pipes so that unwanted water losses can be recognized immediately without great effort.

Bei der erfindungsgemäßen Sicherheitsbrücke begrenzt die Wandung oder die Mehrzahl Abstandsstege eine Anordnung aus zwei (oder auch mehreren) Anschlussplatten, die durch zumindest eine nach unten versetzt angeordnete Abflussplatte getrennt sind. Dabei ist ein Versatz der Abflussplatte gegenüber den Anschlussplatten so gewählt, dass die zumindest eine Abflussplatte bei Anordnung der Sicherheitsbrücke auf dem Trichtersiphon einen Abstand zur Oberkante des Trichtersiphons aufweist, der größer oder gleich dem vorbestimmten Mindestabstand für den freien Ablauf ist, also zumindest 20 mm beträgt. Hierbei erstreckt sich das Fenster - es können auch mehrere sein - in der Wandung benachbart zu und unterhalb der Abflussplatte. Neben den Anschlussmöglichkeiten für Ablaufleitungen an den Anschlussöffnungen der Anschlussplatten kann hier eine Ablaufleitung derart angeordnet werden, dass sie einfach in den Raum zwischen den beiden Anschlussplatten oberhalb der Abflussplatte mündet. Um einen freien Ablauf auch bei großen Ablaufwassermengen zu gewährleisten, ist somit nicht nur der Innendurchmesser der Abflussleitung des Trichtersiphons größer zu wählen als der Innendurchmesser der Ablaufleitung, sondern auch die Fläche der Abflussöffnung bzw. die Flächensumme der Abflussöffnungen entsprechend zu dimensionieren.In the safety bridge according to the invention, the wall or the plurality of spacer webs delimits an arrangement of two (or also more) connection plates which are separated by at least one drain plate which is offset downwards. In this case, an offset of the drainage plate with respect to the connection plates is selected such that the at least one drainage plate, when the safety bridge is arranged on the funnel siphon, is at a distance from the upper edge of the funnel siphon that is greater than or equal to the predetermined minimum distance for the free drain, that is to say at least 20 mm . Here, the window extends - there may be several - in the wall adjacent to and below the drain plate. In addition to the connection options for drain lines at the connection openings of the connection plates, a drain line can be arranged here in such a way that it simply opens into the space between the two connection plates above the drain plate. In order to ensure a free drainage even with large amounts of drainage water, not only should the inside diameter of the drain pipe of the funnel siphon be larger than the inside diameter of the drain pipe, but also the area of the drain opening or the total area of the drain openings must be dimensioned accordingly.

Damit der Anschluss der Ablaufleitung an den Anschlussöffnungen der zumindest einen Anschlussplatte sicher innerhalb der von der Trichteroberkante begrenzten Öffnung erfolgt, kann vorgesehen sein, dass die Sicherheitsbrücke in Querschnittform und/oder Flächenerstreckung mit der von der Oberkante begrenzten Trichteröffnung korrespondiert.So that the drain line is connected securely to the connection openings of the at least one connection plate within the opening delimited by the top edge of the funnel, it can be provided that the safety bridge corresponds in cross-sectional shape and / or surface extension to the funnel opening delimited by the top edge.

Insbesondere in diesem Fall kann die Distanzierungseinrichtung bei Anordnung der Sicherheitsbrücke auf dem Trichtersiphon zumindest im Wesentlichen lotrecht verlaufen und gegenüber der Flächenerstreckung der zumindest einen Anschlussplatte im rechten Winkel angeordnet sein.In this case in particular, when the safety bridge is arranged on the funnel siphon, the spacing device can run at least essentially perpendicularly and can be arranged at right angles to the surface extension of the at least one connection plate.

Es kann eine einzige Abflussplatte zwischen den Anschlussplatten vorgesehen sein, die zumindest eine Abflussöffnung, bevorzugt mehrere Abflussöffnungen, aufweist, oder es können zwei gegenüberliegend an der Wandung angeordnete Abflussplatten vorgesehen sein, die zwischen sich eine spaltförmige Abflussöffnung begrenzen, wobei die Abflussplatten zu der spaltförmigen Abflussöffnung hin nach unten geneigt sind.A single drain plate can be provided between the connection plates, which has at least one drain opening, preferably a plurality of drain openings, or two drain plates arranged opposite one another on the wall and delimiting a gap-shaped drain opening between them, the drain plates leading to the gap-shaped drain opening are inclined downwards.

Ferner weist die Distanzierungseinrichtung an der von der zumindest einen Anschlussplatte abgewandten Seite Positionierungsmittel zur definierten Anordnung der Sicherheitsbrücke an der Trichteroberkante des Trichtersiphons auf. Die Positionierungsmittel an der Distanzierungseinrichtung, d. h., an den Abstandsstegen oder der Wandung, können zum lösbaren Anordnen der Sicherheitsbrücke an der Trichteroberkante des Trichtersiphons durch einen umlaufenden Wulst oder durch nach außen weisende Vorsprünge gebildet werden, der/die zur Auflage auf der Oberkante des Trichtersiphons ausgebildet sind. Alternativ dazu können die Positionierungsmittel zur lösbaren Befestigung der Sicherheitsbrücke an dem Trichtersiphon ausgebildet sein. Zum lösbaren Befestigen können die Positionierungsmittel beispielsweise als

  • Klemmvorrichtung, bzw. Clips (mit einer oder zwei Federbrücken) oder
  • Stiftfortsätze, die durch korrespondierende Bohrungen durch die umlaufende Oberkante des Trichtersiphons steckbar sind und in dieser Stellung etwa mittels einer Sicherungsmutter befestigbar sind, oder
  • Federenden mit nach außen oder innen weisenden Umgriffen zum Eingriff unter die Oberkante des Trichtersiphons
ausgebildet sein, oder als andere geeignete Teile.Furthermore, on the side facing away from the at least one connecting plate, the spacing device has positioning means for the defined arrangement of the safety bridge on the top edge of the funnel siphon. The positioning means on the spacing device, that is to say on the spacing webs or the wall, can be formed for releasable arrangement of the safety bridge on the top edge of the funnel siphon by a circumferential bead or by projections pointing outwards which are designed to rest on the top edge of the funnel siphon are. As an alternative to this, the positioning means can be designed for releasably fastening the safety bridge to the funnel siphon. For releasable fastening, the positioning means can be used, for example, as
  • Clamping device, or clips (with one or two spring bridges) or
  • Pin extensions, which can be inserted through corresponding holes through the circumferential upper edge of the funnel siphon and can be fastened in this position, for example by means of a locking nut, or
  • Spring ends with outward or inward grips for engagement under the top edge of the funnel siphon
be formed, or as other suitable parts.

Alternativ dazu kann die Distanzierungseinrichtung an der von der zumindest einen Anschlussplatte abgewandten Seite fest mit einem Trichter an dessen Oberkante verbunden sein. Dabei ist der Trichter zum Anschluss an eine Abflussleitung eines Trichtersiphons ausgebildet. So stellt die Sicherheitsbrücke mit dem Trichter eine Baueinheit dar.Alternatively, the spacing device on the side facing away from the at least one connection plate can be firmly connected to a funnel on its upper edge. The funnel is designed for connection to a drain line of a funnel siphon. The safety bridge with the funnel is a single unit.

Um den Anschluss der Ablaufleitung an die Sicherheitsbrücke zu vereinfachen, kann die Anschlussplatte auf ihrer in der Anordnung auf dem Trichtersiphon von dem Trichtersiphon wegweisenden Oberseite einen oder mehrere hohle(n) Anschlusszapfen aufweisen, der(die) in die Anschlussöffnung(en) der Anschlussplatte(n) mündet. Es können, wie gesagt, mehrere Ablaufleitungen vorliegen, und entsprechend mehrere damit in Kontakt stehende Aufnahmen.In order to simplify the connection of the drain line to the safety bridge, the connection plate on its upper side, which points away from the funnel siphon in the arrangement on the funnel siphon, can have one or more hollow connection pins which engage in the connection opening (s) of the connection plate ( n) flows. As mentioned, there may be several drain lines and, accordingly, several receptacles in contact with them.

Dabei kann der hohle Anschlusszapfen gerade oder abgewinkelt ausgebildet sein und an der Anschlussplatte befestigt sein, vorzugsweise lösbar und austauschbar. Der oder die Anschlusszapfen können sich mit zunehmendem Abstand zur Oberfläche der Anschlussplatte gestuft derart verjüngt/verjüngen, dass der Anschlusszapfen mit einem vorbestimmten Anschlussquerschnitt ablängbar ist.The hollow connecting pin can be straight or angled and attached to the connecting plate, preferably releasably and interchangeably. With increasing distance from the surface of the connection plate, the connection pin or pins can taper / taper in such a way that the connection pin can be cut to length with a predetermined connection cross section.

Zur erhöhten Variabilität und Anpassbarkeit der Sicherheitsbrücke an eine unterschiedliche Anzahl Ablaufleitungen und/oder deren Rohrdurchmesser kann die Anzahl oder ein Durchmesser der zumindest einen Anschlussöffnung in der zumindest einen Anschlussplatte durch eingebrachte Markierungen/Sollbruchstellen zur Schaffung der Anschlussöffnung auswählbar sein, d. h., dass erst bei der Montage die passenden Anschlussöffnungen in der Anschlussplatte geöffnet werden.To increase the variability and adaptability of the safety bridge to a different number of drain lines and / or their pipe diameter, the number or diameter of the at least one connection opening in the at least one connection plate can be selected by means of markings / predetermined breaking points to create the connection opening, i. This means that the appropriate connection openings in the connection plate are only opened during assembly.

Ferner kann die zumindest eine Anschlussplatte mehrere Anschlussöffnungen mit gleichen oder unterschiedlichen Durchmessern aufweisen, oder bei zwei oder mehr Anschlussplatten kann jede Anschlussplatte zumindest eine Anschlussöffnung aufweisen, die gleich oder unterschiedlich ausgebildet sind.Furthermore, the at least one connection plate can have a plurality of connection openings with the same or different diameters, or in the case of two or more connection plates, each connection plate can have at least one connection opening which are of the same or different design.

Zudem kann vorgesehen sein, dass die zumindest eine Anschlussplatte austauschbar ausgebildet ist, wobei eine Mehrzahl austauschbarer Anschlussplatten für die Sicherheitsbrücke bereitgestellt sein kann und sich die austauschbaren Anschlussplatten hinsichtlich Anzahl und/oder Größe der Anschlussöffnungen unterscheiden können. Auch hier eröffnet sich die Möglichkeit, die Sicherheitsbrücke genau an den Bedarf, d. h. in Abhängigkeit der anzuschließenden Anzahl und Durchmesser der Ablaufleitungen anzupassen.In addition, it can be provided that the at least one connection plate is designed to be interchangeable, wherein a plurality of interchangeable connection plates can be provided for the safety bridge and the interchangeable connection plates can differ with regard to the number and / or size of the connection openings. Here, too, there is the possibility of tailoring the safety bridge exactly to the needs, i.e. H. adapt depending on the number and diameter of the drain lines to be connected.

Bei einer erfindungsgemäßen Freiablaufanordnung mit zumindest einer Ablaufleitung, die über dem Trichter eines Trichtersiphons angeordnet ist, weist der Trichter eine erfindungsgemäße Sicherheitsbrücke auf, wobei diese auf dem Trichter angeordnet ist, oder mit diesem eine Baueinheit bildet. Dabei ist die zumindest eine Ablaufleitung an der zumindest einen Anschlussöffnung der zumindest einen Anschlussplatte der Sicherheitsbrücke angeordnet.In a free-flow arrangement according to the invention with at least one drain line, which is arranged above the funnel of a funnel siphon, the funnel has a safety bridge according to the invention, which is arranged on the funnel or forms a structural unit with it. The at least one drain line is arranged on the at least one connection opening of the at least one connection plate of the safety bridge.

Weitere Ausführungsformen sowie einige der Vorteile, die mit diesen und weiteren Ausführungsformen verbunden sind, werden durch die nachfolgende ausführliche Beschreibung unter Bezug auf die begleitenden Figuren deutlich und besser verständlich. Gegenstände oder Teile derselben, die im Wesentlichen gleich oder ähnlich sind, können mit denselben Bezugszeichen versehen sein. Die Figuren sind lediglich eine schematische Darstellung einer Ausführungsform der Erfindung.Other embodiments, as well as some of the advantages associated with these and other embodiments, will become clearer and better understood from the following detailed description with reference to the accompanying figures. Objects or parts thereof which are essentially the same or similar can be provided with the same reference symbols. The figures are merely a schematic representation of an embodiment of the invention.

Dabei zeigen:

Fig. 1
eine Draufsicht auf eine nicht erfindungsgemäße Sicherheitsbrücke,
Fig. 2
eine Seitenansicht auf eine auf einem Trichtersiphon montierte, nicht erfindungsgemäße Sicherheitsbrücke,
Fig. 3
eine Seitenansicht einer auf einem Trichtersiphon montierten, nicht erfindungsgemäßen Sicherheitsbrücke mit Anschlusszapfen und eine Detailansicht der lösbaren Befestigung der Sicherheitsbrücke an dem Trichter,
Fig. 4
eine perspektivische Ansicht einer nicht erfindungsgemäßen Trichtersiphonvorrichtung,
Fig. 5
eine schematische Seitenansicht einer Freiablaufanordnung aus dem Stand der Technik,
Fig. 6
eine perspektivische Ansicht einer Ausführungsform der erfindungsgemäßen Sicherheitsbrücke, auf einem Trichtersiphon montiert,
Fig. 7
eine perspektivische Draufsicht auf die erfindungsgemäße Sicherheitsbrücke aus Fig. 6,
Fig. 8
eine perspektivische Draufsicht einer alternativen Ausführungsform der erfindungsgemäßen Sicherheitsbrücke,
Fig. 9
eine perspektivische Ansicht von unten auf eine erfindungsgemäße Sicherheitsbrücke entsprechend Fig. 8 mit alternativen Positionierungsmitteln,
Fig. 10
eine perspektivische Draufsicht einer alternativen Ausführungsform der erfindungsgemäßen Sicherheitsbrücke mit einer gitterrostartigen Abflussplatte.
Show:
Fig. 1
a plan view of a safety bridge not according to the invention,
Fig. 2
2 shows a side view of a safety bridge, not according to the invention, mounted on a funnel siphon,
Fig. 3
2 shows a side view of a safety bridge with connecting pins, which is not mounted according to the invention, mounted on a funnel siphon and a detailed view of the releasable fastening of the safety bridge to the funnel,
Fig. 4
2 shows a perspective view of a funnel siphon device not according to the invention,
Fig. 5
1 shows a schematic side view of a free-flow arrangement from the prior art,
Fig. 6
2 shows a perspective view of an embodiment of the safety bridge according to the invention, mounted on a funnel siphon,
Fig. 7
a top perspective view of the safety bridge according to the invention Fig. 6 ,
Fig. 8
2 shows a perspective top view of an alternative embodiment of the safety bridge according to the invention,
Fig. 9
a perspective view from below of a safety bridge according to the invention accordingly Fig. 8 with alternative positioning means,
Fig. 10
a top perspective view of an alternative embodiment of the safety bridge according to the invention with a grate-like drain plate.

Die Erfindung betrifft eine Sicherheitsbrücke, auch einfach als Sicherungsvorrichtung zu bezeichnen, die der Realisierung eines freien Ablaufs zur Verhütung von Trinkwasserverunreinigungen durch Rückfließen, Rücksaugen oder Rückdrücken von Wasser dient. Die erfindungsgemäße Sicherheitsbrücke kann sowohl bei Neuinstallationen, aber insbesondere vorteilhaft auch zur Nachrüstung von bestehenden Trichtersiphon-Abläufen eingesetzt werden.The invention relates to a safety bridge, also simply referred to as a safety device, which is used to implement a free flow to prevent drinking water contamination by backflow, suction or backpressure of water. The safety bridge according to the invention can be used both in new installations, but in particular can also be used to retrofit existing funnel siphon drains.

Fig. 1 und Fig. 2 zeigen eine auf einem Trichtersiphon montierte Sicherheitsbrücke 1 einer nicht erfindungsgemäßen Ausführungsform, bei der die Sicherheitsvorrichtung 1, die auf einem Trichter 2 mit einer sich in Abflussrichtung anschließenden Abflussleitung 3 und einem Geruchsverschluss 4 montiert ist, einfach aus einer Anschlussplatte 5 mit mehreren Anschlussöffnungen 6 sowie mehreren über den Außenumfang verteilt angeordneten Abstandsstegen 7 als Distanzierungseinrichtung besteht, durch die die Anschlussplatte 5 in einem definierten Abstand von der Oberkante 10 des Trichtersiphons 2 angeordnet ist. 1 and 2 show a safety bridge 1 mounted on a funnel siphon of an embodiment not according to the invention, in which the safety device 1, which is mounted on a funnel 2 with a drain line 3 adjoining in the discharge direction and an odor trap 4, simply consists of a connection plate 5 with several connection openings 6 and several There is spacer webs 7 distributed over the outer circumference as a spacing device, through which the connecting plate 5 is arranged at a defined distance from the upper edge 10 of the funnel siphon 2.

Anders als bislang im Stand der Technik, wie er in Fig. 5 skizziert ist und bei dem die korrekte Einhaltung des geforderten Mindestabstands A der Unterkante der Ablaufleitungen 15 oberhalb der Oberkante 10 des Trichtersiphons 2 einzig und allein von der Gewissenhaftigkeit und handwerklichen Geschicklichkeit des Monteurs abhängig ist, wird durch die Sicherheitsbrücke 1, die auf dem Trichtersiphon 2 angeordnet wird, sichergestellt, dass die Unterkanten der Ablaufleitungen (in den übrigen Figuren nicht dargestellt), die an den Anschlussöffnungen 6 angeordnet werden, in einem durch die Länge der Abstandsstege 7 definierten Abstand von der Oberkante 10 des Trichtersiphons 2 beabstandet sind. Die Länge der Abstandsstege 7 wird so dimensioniert, dass die geltenden oder zukünftigen Anforderungen an einen freien Ablauf gewährleistet sind.Unlike previously in the prior art, as in Fig. 5 is sketched and in which the correct compliance with the required minimum distance A of the lower edge of the drain lines 15 above the upper edge 10 of the funnel siphon 2 depends solely on the conscientiousness and manual dexterity of the fitter, is arranged by the safety bridge 1, which is arranged on the funnel siphon 2 This ensures that the lower edges of the drain lines (not shown in the other figures), which are arranged at the connection openings 6, are spaced apart from the upper edge 10 of the funnel siphon 2 at a distance defined by the length of the spacing webs 7. The length of the spacer webs 7 is dimensioned so that the current or future requirements for a free flow are guaranteed.

Fig. 3 zeigt eine abgewandelte Ausgestaltung der Sicherheitsbrücke 1, die ebenfalls auf einem Trichtersiphon 2 montiert ist. Auch bei dieser Ausgestaltung wird der Abstand zwischen der Anschlussplatte 5 und der Oberkante 10 des Trichtersiphons 2 durch die Abstandsstege 7 vermittelt, die über den Außenumfang der Anschlussplatte 5 verteilt angeordnet sind. Dabei weisen die Abstandsstege 7 gemäß der in Fig. 3 gezeigten Detailansicht auf ihrer der Anschlussplatte 5 abgewandten Stirnseite als Positionierungsmittel einen Schnapphaken 11 auf, der die Oberkante 10 des Trichtersiphons 2 untergreift. Fig. 3 shows a modified embodiment of the safety bridge 1, which is also mounted on a funnel siphon 2. In this embodiment too, the distance between the connecting plate 5 and the upper edge 10 of the funnel siphon 2 is conveyed by the spacing webs 7, which are arranged distributed over the outer circumference of the connecting plate 5. The spacer webs 7 according to the in Fig. 3 Detailed view shown on its end facing away from the connection plate 5 as a positioning means on a snap hook 11 which engages under the upper edge 10 of the funnel siphon 2.

Bei der in Fig. 3 dargestellten nicht erfindungsgemäßen Ausführungsform sind sämtliche Abstandsstege 7 mit einem solchen Schnapphaken 11 versehen, so dass nach Verhakung der Schnapphaken 11 unterhalb der umlaufenden Oberkante 10 des Trichtersiphons 2 die Anschlussplatte 5 und damit auch die Sicherheitsbrücke 1 bestimmungsgemäß oberhalb des Trichtersiphons 2 lösbar montiert ist.At the in Fig. 3 Not shown embodiment according to the invention, all spacer webs 7 are provided with such a snap hook 11, so that after hooking the snap hook 11 below the circumferential upper edge 10 of the funnel siphon 2 the connection plate 5 and thus also the safety bridge 1 is detachably mounted as intended above the funnel siphon 2.

Alternativ zu den Schnapphaken 11, figurativ aber nicht dargestellt, ist als Positioniermittel auch einfach eine Clip-Lösung mit einer Klemmvorrichtungen denkbar, mit denen die Sicherheitsbrücke auf die Oberkante des Trichtersiphons aufgeclipst werden kann, so dass über die Abstandsstege die Anschlussplatte bestimmungsgemäß oberhalb des Trichtersiphons in dem definierten Abstand befestigt ist. Eine weitere lösbare Befestigung der Sicherheitsbrücke kann vorsehen, dass die Abstandsstege durch nachträglich eingebrachte oder bereits vorhandene Bohrungen der umlaufenden Oberkante des Trichtersiphons geführt werden, deren Lage mit den umfänglich verteilten Abstandsstegen korrespondiert, und in einer Position, die den geforderten Mindestabstand von 20 mm der Anschlussplatte gegenüber der Oberkante des Trichtersiphons einhält, etwa mittels einer Sicherungsmutter befestigt werden. In beiden Fällen handelt es sich also um Lösungen, die ohne weiteres bei bestehenden Ablauflösungen in Verbindung mit einem offenen Trichtersiphon nachträglich nachgerüstet werden können.As an alternative to the snap hooks 11, but not shown in the figures, a clip solution with a clamping device is also conceivable as a positioning means, with which the safety bridge can be clipped onto the upper edge of the funnel siphon, so that the connection plate is intended to be placed above the funnel siphon in via the spacer webs the defined distance is fixed. Another detachable fastening of the safety bridge can provide that the spacer webs are guided through subsequently drilled or already existing holes in the circumferential upper edge of the funnel siphon, the position of which corresponds to the circumferentially spaced spacer webs, and in a position that corresponds to the required minimum distance of 20 mm of the connection plate with respect to the top edge of the funnel siphon, for example by means of a lock nut. In both cases, these are solutions that can easily be retrofitted to existing drain solutions in conjunction with an open funnel siphon.

Bei der Ausführung gemäß der Darstellung in Fig. 3 ist dabei die Anschlussplatte 5 mit mehreren Anschlusszapfen 12 versehen, die hohl ausgebildet sind und in die Anschlussöffnungen 6 münden. Die Anschlusszapfen 12 verjüngen sich mit zunehmendem Abstand von der Anschlussplatte 5 gestuft, so dass durch das Ablängen der Anschlusszapfen 12 in unterschiedlichem Abstand von der Oberseite der Anschlussplatte 5 unterschiedliche Anschlussquerschnitte für unterschiedliche Ablaufleitungen realisiert werden können. Wie ebenfalls aus Fig. 3 ersichtlich, können die Anschlusszapfen 12 in unterschiedlichen Ausführungen realisiert sein, nämlich einmal als gerade verlaufende Anschlusszapfen 12 oder als abgewickelte Anschlusszapfen 12, so dass sowohl horizontal oder lotrecht verlegte Ablaufleitungen mithilfe der Anschlusszapfen 12 angeschlossen werden können. Diese Anschlusszapfen 12 dienen zum Anschluss der zu installierenden oder bereits vorhandenen Ablaufleitungen, so dass die Mündungen der Ablaufleitungen oberhalb der Anschlussplatte 5 angeschlossen sind, so dass auch bereits vorhandene Installationen in einfacher Weise an die erfindungsgemäße Sicherheitsbrücke angeschlossen werden können.When executed as shown in Fig. 3 the connection plate 5 is provided with a plurality of connection pins 12, which are hollow and open into the connection openings 6. The connecting pins 12 taper in steps with increasing distance from the connecting plate 5, so that different connecting cross-sections for different drain lines can be realized by cutting the connecting pins 12 to a different distance from the top of the connecting plate 5. As also from Fig. 3 As can be seen, the connection pins 12 can be realized in different designs, namely once as a straight connection pin 12 or as a developed connection pin 12, so that both horizontally or vertically laid drain lines can be connected using the connection pins 12. These connecting pins 12 are used to connect the drain lines to be installed or already existing, so that the mouths of the drain lines are connected above the connection plate 5, so that existing installations can also be connected to the safety bridge according to the invention in a simple manner.

Fig. 4 zeigt eine nicht erfindungsgemäße Trichtersiphonvorrichtung, die quasi der Anordnung aus Fig. 3 entspricht - allerdings ist hier die Sicherheitsbrücke 1 nicht wie in Fig. 3 lösbar auf dem Trichtersiphon 2 befestigt, sondern fest damit verbunden. D. h., Positionierungsmittel an der von der Anschlussplatte abgewandten Seite der Distanzierungseinrichtung (hier der Abstandsstege 7) können entfallen. Beispielsweise kann die Trichtersiphonvorrichtung aus Trichter 2 und Sicherheitsbrücke 1 einstückig gefertigt sein. Bei dieser Ausführung kann etwa im Wege der Nachrüstung ein vorhandener Trichter, der auf einer Abflussleitung 3 befestigt ist, durch eine erfindungsgemäße Trichtersiphonvorrichtung ersetzt werden, so dass auch hier ein freier Ablauf im Sinne der DIN EN 1717 realisiert werden kann. Fig. 4 shows a funnel siphon device not according to the invention, the arrangement of quasi Fig. 3 corresponds - but here the safety bridge 1 is not as in Fig. 3 releasably attached to the funnel siphon 2, but firmly connected to it. In other words, positioning means on the side of the spacing device (here the spacing webs 7) facing away from the connection plate can be omitted. For example, the funnel siphon device can be made in one piece from funnel 2 and safety bridge 1. In this embodiment, an existing funnel, which is fastened on a drain line 3, can be replaced by a funnel siphon device according to the invention, for example by means of retrofitting, so that a free flow in the sense of DIN EN 1717 can also be realized here.

Sowohl durch die lösbar befestigbare Sicherheitsbrücke 1 als auch die Trichtersiphonvorrichtung mit der festen Sicherheitsbrücke bleibt aufgrund der Beabstandung der Anschlussplatte durch die Abstandsstege der geforderte Abstand zur Oberkante des Trichtersiphons von beispielsweise wenigstens 20 mm auf jeden Fall gewahrt, so dass unterhalb der Anschlussplatte ein freier Ablauf realisiert ist, durch den etwa über die Oberkante des Trichtersiphons zwischen den Abstandsstegen austretendes Wasser austreten kann, ohne mit der Mündung der Ablaufleitung oder dem in dieser Ablaufleitung abgeführten Wasser in Berührung zu treten. Insbesondere ist durch den freien Ablauf verhindert, dass im Falle eines Rückstaus, Rücksaugens oder Rückdrückens von abgeführtem Wasser durch die Ablaufleitung nach oben steigen kann und gegebenenfalls mit Trinkwasser in Berührung geraten kann.Both due to the releasably attachable safety bridge 1 and the funnel siphon device with the fixed safety bridge, the spacing of the connecting plate by the spacing webs means that the required distance from the upper edge of the funnel siphon, for example at least 20 mm, is maintained in any case, so that a free drain is realized below the connecting plate is, through which water escaping between the spacer webs, for example over the upper edge of the funnel siphon, can come into contact without coming into contact with the mouth of the drain line or the water discharged in this drain line. In particular, the free drain prevents that in the event of backflow, suction or back pressure of discharged water can rise up through the drain line and possibly come into contact with drinking water.

In den in Figuren 1 bis 4 gezeigten nicht erfindungsgemäßen Ausführungsformen überdeckt die Anschlussplatte 5 die durch die Trichteroberkante 10 begrenzte Öffnung des Trichters 2 und die Distanzierungseinrichtung besteht aus lotrecht verlaufenden Abstandsstegen, die über den Umfang der Anschlussplatte 5 verteilt angeordnet sind. Die dargestellten drei Anschlussöffnungen 6 in der Anschlussplatte 5 bzw. Anschlusszapfen 12 sind lediglich als Beispiel zu betrachten. Selbstverständlich können auch nur eine Anschlussöffnung 6 bzw. -zapfen 12 oder zwei, vier oder mehr Anschlussöffnungen 6 bzw. -zapfen 12 vorgesehen sein. Dabei können sich nicht nur die Anschlusszapfen 12 in ihrer Gestaltung unterscheiden, auch die Anschlussöffnungen 6 können unterschiedlich ausgebildet sein und beispielsweise unterschiedliche Durchmesser aufweisen.In the in Figures 1 to 4 Embodiments not shown according to the invention, the connection plate 5 covers the opening of the funnel 2 delimited by the top edge 10 of the funnel, and the spacing device consists of perpendicularly spacing webs which are arranged distributed over the circumference of the connection plate 5. The three connection openings 6 shown in the connection plate 5 or connection pin 12 are only to be regarded as an example. Of course, only one connection opening 6 or pin 12 or two, four or more connection openings 6 or pin 12 can also be provided. Not only can the connection pins 12 differ in their design, the connection openings 6 can also be designed differently and, for example, have different diameters.

In Fig. 6 bis 10 sind Ausführungsformen einer erfindungsgemäßen Sicherheitsbrücke 1 dargestellt. Die Unterschiede zu den im Zusammenhang mit Fig. 1 bis 4 beschriebenen Ausführungen besteht darin, dass die in Fig. 6 bis 10 gezeigte Sicherheitsbrücke 1 zwei Anschlussplatten 5 bzw. Anschlussplattenabschnitte 5 mit Anschlussöffnungen 6 aufweist, die durch eine nach unten versetzt angeordnete Abflussplatte 5', die eine oder mehrere Abflussöffnungen 6' aufweist, voneinander getrennt sind. Die Distanzierungseinrichtung besteht in dieser Ausführungsform aus einer umlaufenden Wandung 7', die die Anschlussplatten 5 und die nach unten versetzt angeordnete Abflussplatte 5' umfasst. Die Abflussplatte 5' ist innerhalb der Wandung 7' so angeordnet, dass sie bei Anordnung der Sicherheitsbrücke 1 auf dem Trichtersiphon 2 einen Abstand zur Oberkante 10 des Trichtersiphons 2 aufweist, der größer oder gleich dem vorbestimmten Mindestabstand A für den freien Ablauf ist. Um trotz der umlaufenden Wandung 7' den freien Ablauf zu wahren, weist die Wandung 7' im Bereich benachbart zu der und unterhalb der Abflussplatte 5' zumindest auf einer Seite, vorzugsweise beidseitig einen Durchbruch bzw. ein Fenster 7' auf, so dass unterhalb der Abflussplatte 5' ein freier Ablauf realisiert ist, durch den über die Oberkante 10 des Trichtersiphons 2 z. B. bei Rückstau austretendes (Schmutz-)Wasser austreten kann, ohne mit der Mündung der Ablaufleitung oder dem in dieser Ablaufleitung abgeführten Wasser in Berührung zu treten.In 6 to 10 Embodiments of a safety bridge 1 according to the invention are shown. The differences to those related to 1 to 4 Descriptions described is that the in 6 to 10 Safety bridge 1 shown has two connection plates 5 or connection plate sections 5 with connection openings 6, which are separated from one another by a drain plate 5 'which is offset downwards and has one or more drain openings 6'. In this embodiment, the spacing device consists of a circumferential wall 7 ', which comprises the connection plates 5 and the drain plate 5', which is offset downwards. The drainage plate 5 'is arranged within the wall 7' in such a way that when the safety bridge 1 is arranged on the funnel siphon 2, it is at a distance from the upper edge 10 of the funnel siphon 2 which is greater than or equal to the predetermined minimum distance A for free drainage. In order to maintain free drainage despite the circumferential wall 7 ', the wall 7' has an opening or a window 7 'in the area adjacent to and below the drain plate 5' at least on one side, preferably on both sides, so that below the Drainage plate 5 'a free drain is realized by z 2 over the upper edge 10 of the funnel siphon. B. escaping from backwater (dirty) water without coming into contact with the mouth of the drain pipe or the water discharged in this drain pipe.

Die in Fig. 6 und Fig. 7 gezeigte Variante unterscheidet sich zum einen durch die Gestaltung der Abflussöffnung 6' von der in Fig. 8 und 9 gezeigten Ausführungsform: Im ersten Fall handelt es sich einfach um einen Spalt 6' zwischen den beiden nach unten geneigt angeordneten Abflussplattenabschnitten 5', im zweiten Fall um mehrere kreisförmig angeordnete kreisrunde Bohrungen 6'. Fig. 10 zeigt eine Variante, in der die Abflussplatte 5' als Gitterrost ausgebildet ist und somit eine Vielzahl an Abflussöffnungen 6' aufweist, von denen in Fig. 10 der Übersichtlichkeit wegen nur eine mit Bezugszeichen versehen ist. Eine solche Gitterrostabflussplatte 5' kann - wie im Prinzip jede andere Abflussplatte 5' mit Abflussöffnungen 6' auch - herausnehmbar ausgebildet sein, so dass die Abflussplatte 5' im Falle von angesammeltem Schmutz kurz entnommen, gesäubert und wieder eingesetzt werden kann. Hierfür kann die Abflussplatte beispielsweise eine nach oben ragende Griffvorrichtung (in den Figuren nicht dargestellt) haben, die man mit der Hand oder einem Hilfsmittel greifen kann, um die Abflussplatte nach oben aus der Sicherheitsbrücke herauszuziehen oder zu schwenken. Alternativ könnte die Abflussplatte nach Schubladenart ausgebildet sein, so dass die Abflussplatte seitlich aus der Sicherheitsbrücke herausgezogen werden kann.In the Fig. 6 and Fig. 7 The variant shown differs on the one hand in the design of the discharge opening 6 'from that in FIG Fig. 8 and 9 Embodiment shown: In the first case there is simply a gap 6 'between the two downward sloping drain plate sections 5', in the second case several circular holes 6 'arranged in a circle. Fig. 10 shows a variant in which the drain plate 5 'is designed as a grating and thus has a plurality of drain openings 6', of which in Fig. 10 only one is provided with reference numerals for the sake of clarity. Such a grate drainage plate 5 'can - like in principle any other drainage plate 5' with drainage openings 6 '- be designed to be removable, so that the drainage plate 5' can be briefly removed, cleaned and reinserted in the event of accumulated dirt. For this purpose, the drainage plate can have, for example, an upwardly projecting handle device (not shown in the figures) which can be gripped by hand or with an aid to pull the drainage plate upwards out of the safety bridge or to pivot it. Alternatively, the drain plate could follow Be designed as a drawer, so that the drain plate can be pulled out of the safety bridge.

In Fig. 6 ist als Positioniermittel ein die Wandung 7' umlaufender Wulst 11' gezeigt, der auf Höhe der unteren Kante des Fensters 7" verläuft. Bei Montage dieser Sicherheitsbrücke 1 wird der unterhalb des Wulsts 11' liegende Abschnitt der Wandung 7' in dem Trichter 2 aufgenommen, so dass der Wulst 11' auf der Oberkante 10 des Trichters 2 zur Auflage kommt. In dieser Anordnung weisen die Abflussplatte 5' und damit selbstverständlich auch oberhalb des Abflussplattenniveaus angeordnete Anschlussplatten 5 den Mindestabstand A zur Oberkante 10 des Trichters 2 auf.In Fig. 6 a bead 11 'running around the wall 7' is shown as a positioning means, which extends at the level of the lower edge of the window 7 ". When this safety bridge 1 is installed, the section of the wall 7 'below the bead 11' is received in the funnel 2, so that the bulge 11 'comes to rest on the upper edge 10 of the funnel 2. In this arrangement, the drain plate 5' and, of course, also connection plates 5 arranged above the drain plate level have the minimum distance A from the upper edge 10 of the funnel 2.

Die Positioniermittel der Sicherheitsbrücke 1 in Fig. 8 , die durch mehrere um den Umfang der Wandung auf Höhe der Unterkante des Fensters 7" verteilt angeordnete Vorsprünge 11' gebildet sind, gestatten wie der Wulst 11' eine Auflage auf der Oberkante 10 des Trichters 2, wobei der darunterliegende Wandungsabschnitt vom Trichter aufgenommen wird. Fig. 9 hingegen zeigt als Positioniermittel Schnapphaken 11, die hier zum Umgriff der Oberkante des Trichtersiphons von außen ausgebildet sind, während auch hier der unter der Unterkante des Fensters 7" liegende Wandungsabschnitt vom Trichter aufgenommen wird.The positioning means of the safety bridge 1 in Fig. 8 , which are formed by a plurality of projections 11 'distributed around the circumference of the wall at the level of the lower edge of the window 7 ", allow the bead 11' to rest on the upper edge 10 of the funnel 2, the wall section underneath being received by the funnel. Fig. 9 on the other hand shows as a positioning means snap hooks 11, which are designed here to grip around the upper edge of the funnel siphon from the outside, while here too the wall section lying below the lower edge of the window 7 "is received by the funnel.

Selbstverständlich können die Sicherheitsbrücken 1 gemäß den in Fig. 6 bis 9 gezeigten Beispielen auch hohle Anschlusszapfen 12, wie in Fig. 3 und 4 gezeigt, an einer oder mehreren der Anschlussöffnungen 6 aufweisen.Of course, the safety bridges 1 can according to the in 6 to 9 examples shown also hollow connecting pins 12, as in Fig. 3 and 4th shown, have at one or more of the connection openings 6.

Die in den Figuren gezeigten Ausführungsformen sind lediglich beispielhaft zu verstehen, so sind durchaus Variationen und auch Varianten denkbar, in denen eine einzige Anschlussplatte nicht durch Abstandsstege sondern durch eine unterbrochene Wandung von der Oberkante des Trichtersiphons distanziert wird. Umgekehrt sind auch Ausführungsformen denkbar, in denen mehrere Anschlussplatten (mit oder ohne dazwischenliegender Abflussplatte) mittels Abstandsstegen von der Trichteroberkante beabstandet werden. Variationen sind auch in Anzahl und Größe der Anschlussöffnungen jeder Anschlussplatte denkbar, um eine bestmögliche Anpassbarkeit an verschiedene Ablaufleitungen zu ermöglichen.The embodiments shown in the figures are only to be understood as examples, so variations and variants are conceivable in which a single connection plate is spaced from the upper edge of the funnel siphon not by spacer webs but by an interrupted wall. Conversely, embodiments are also conceivable in which a plurality of connection plates (with or without an intervening drain plate) are spaced apart from the top edge of the funnel by means of spacer webs. Variations are also conceivable in the number and size of the connection openings of each connection plate in order to enable the best possible adaptability to different drain lines.

Für weitere Variabilität zeigt beispielsweise Fig. 7 eine Variante, in der ein Anschlussplattenabschnitt 5 zwei Anschlussöffnungen 6 aufweist und der zweite Anschlussplattenabschnitt 5 Markierungen oder Sollbruchstellen 8 für weitere Anschlussöffnungen aufweist. So können Anzahl oder auch Durchmesser der Anschlussöffnungen in jeder Anschlussplatte durch eingebrachte Markierungen oder Sollbruchstellen zur Schaffung der passenden Anschlussöffnung ausgewählt werden.For example, shows for further variability Fig. 7 a variant in which a connection plate section 5 has two connection openings 6 and the second connection plate section 5 has markings or predetermined breaking points 8 for further connection openings. For example, the number or diameter of the connection openings in each connection plate can be selected by means of markings or predetermined breaking points to create the appropriate connection opening.

Auch in der Ausführungsform mit Wandung kann vorgesehen sein, dass die Anschlussplatte bzw. eine durch Anschlussplatten aufgespannte Fläche der Form und/oder Dimensionierung der Trichteröffnung entspricht und die Wandung dazwischen im Wesentlichen lotrecht verläuft, allerdings ist hierbei auch eine abweichende Form und/oder Dimensionierung der Anschlussplatte bzw. der durch die Anschlussplatten aufgespannten Fläche denkbar, so dass die Wandung nicht senkrecht verläuft. Während in der Ausführungsform mit Abstandsstegen darauf zu achten ist, dass die Lage der Anschlussöffnungen innerhalb der Anschlussplatte innerhalb der von der Trichteroberkante aufgespannten Fläche liegt, um zu vermeiden, dass aus der Ablaufleitung austretendes Wasser den Trichter verfehlt, ist es mit der Wandung - quasi als Fortsetzung der Trichterwandung - möglich, auch Anschlussplatten bzw. Anschlussplattenanordnungen zu konzipieren, die sich über die Fläche der Trichteröffnung hinaus ausdehnen.In the embodiment with wall, too, it can be provided that the connection plate or a surface spanned by connection plates corresponds to the shape and / or dimensioning of the funnel opening and the wall between them runs essentially perpendicularly, but here is also a different shape and / or dimensioning of the Connection plate or the area spanned by the connection plates conceivable so that the wall does not run vertically. While in the embodiment with spacer webs it must be ensured that the position of the connection openings within the connection plate lies within the area spanned by the top edge of the funnel in order to avoid that water escaping from the drain line misses the funnel, it is with the wall - quasi as Continuation of the funnel wall - possible to design connection plates or connection plate arrangements that extend beyond the area of the funnel opening.

Vorstehend ist somit eine Sicherheitsbrücke beschrieben, mit deren Hilfe sowohl bei Neuinstallationen als auch bei bestehenden Abflussleitungen an Trinkwasser-Installationen der im Rahmen der DIN EN 1717 geforderte freie Ablauf in einfacher Weise entweder durch das Aufsetzen einer Sicherheitsbrücke auf einem bereits vor Ort vorhandenen Trichtersiphon realisiert werden kann oder alternativ, eine Trichtersiphonvorrichtung mit integrierter Sicherheitsbrücke anstelle eines bestehenden Trichtersiphons installiert werden kann. Darüber hinaus bietet die erfindungsgemäße Sicherheitsbrücke den Vorteil einer erleichterten Installation, indem durch die Positionierung der Anschlussplatte(n) in dem geforderten Abstand über der umlaufenden Oberkante des Trichtersiphons in jedem Fall der geforderte freie Ablauf realisiert ist. Außerdem bietet die Sicherheitsbrücke über die Anschlusszapfen erleichterte und vorteilhafte Anschlussmöglichkeiten für bereits bestehende Ablaufleitungen, so dass die Sicherheitsbrücke leicht installiert bzw. nachgerüstet werden kann.A safety bridge is thus described above, with the help of which, both in new installations and in existing drain pipes on drinking water installations, the free drain required in the context of DIN EN 1717 can be easily achieved either by placing a safety bridge on a funnel siphon already available on site can or alternatively, a funnel siphon device with an integrated safety bridge can be installed instead of an existing funnel siphon. In addition, the safety bridge according to the invention offers the advantage of easier installation in that the required free drainage is achieved in any case by positioning the connection plate (s) at the required distance above the circumferential upper edge of the funnel siphon. In addition, the safety bridge via the connecting pins offers simplified and advantageous connection options for existing drain lines, so that the safety bridge can be easily installed or retrofitted.

BEZUGSZEICHENLISTEREFERENCE SIGN LIST

11
SicherheitsbrückeSafety bridge
22nd
Trichter des TrichtersiphonsFunnel of the funnel siphon
33rd
AbflussleitungDrain pipe
44th
U-Rohrabschnitt zum GeruchsverschlussU-pipe section for odor trap
55
AnschlussplatteSub-base
5'5 '
AbflussplatteDrain plate
66
AnschlussöffnungenConnection openings
6'6 '
AbflussöffnungDrain opening
77
AbstandsstegeSpacers
7'7 '
WandungWall
7"7 "
Fensterwindow
88th
Markierung/SollbruchstelleMarking / predetermined breaking point
1010th
Oberkante des TrichtersiphonsTop edge of the funnel siphon
1111
SchnapphakenSnap hook
11'11 '
Vorsprung/WulstProjection / bead
1212th
AnschlusszapfenConnecting pin
1515
AblaufleitungDrain pipe
AA
MindestabstandMinimum distance

Claims (13)

  1. A safety bridge (1),
    which is formed to realise a free drain with a funnel trap (2, 3, 4) and at least one drain line (15), wherein, in an arrangement of use, the safety bridge (1) is arrangeable on a funnel (2) of the funnel trap (2, 3, 4) and the drain line (15) is arrangeable above the funnel (2) of the funnel trap (2, 3, 4), and wherein the safety bridge (1) has at least one connecting plate (5) with at least one connecting opening (6) at which the drain line (15) is arrangeable in the arrangement of use of the drain line (15) with the funnel trap (2, 3, 4) and the safety bridge (1),
    wherein the safety bridge (1) has a spacing device (7, 7') which extends from the at least one connecting plate (5) and out of the plane defined by the at least one connecting plate (5), wherein the spacing device (7, 7') is dimensioned such that, when the safety bridge (1) is arranged on the funnel trap (2, 3, 4), the at least one connecting plate (5) has a distance from the top edge (10) of the funnel trap (2, 3, 4) which is greater than or equal to a predefined minimum distance (A) for the free drain, so that a bottom edge of the drain line (15) that is arranged at the connecting opening (6) has at least the predefined minimum distance (A) from the funnel top edge (10) of the funnel trap (2, 3, 4), wherein the predefined minimum distance is at least 20 mm,
    wherein the spacing device (7, 7') is formed
    - by a plurality of spacing bars (7) which are arranged distributed across the outer perimeter of the at least one connecting plate (5),
    - or by a wall (7') which is interrupted by at least one window (7") that is provided below the plane defined by the at least one connecting plate (5),
    characterised in that
    the wall (7') or the plurality of spacing bars (7) delimits an assembly of at least two connecting plates (5) which are separated by at least one draining plate (5') that is arranged in a downward offset manner, wherein an offset of the draining plate (5') against the connecting plates (5) is selected such that, when the safety bridge (1) is arranged on the funnel trap (2, 3, 4), the at least one draining plate (5') has a distance from the top edge (10) of the funnel trap (2, 3, 4) that is greater than or equal to the predefined minimum distance (A) for the free drain, and wherein the at least one window (7") in the wall (7') extends adjacent to and below the draining plate (5').
  2. The safety bridge (1) according to claim 1,
    characterised in that
    the safety bridge (1) is formed with respect to its cross-sectional shape and/or its planar extent such that it corresponds with the cross-sectional shape and/or the planar extent of an opening of the funnel trap (2, 3, 4) that is delimited by the top edge (10).
  3. The safety bridge (1) according to claim 1 or 2,
    characterised in that
    when the safety bridge (1) is arranged on the funnel trap (2, 3, 4), the spacing device (7, 7') extends, at least in essence, vertically and is arranged at a right angle with respect to the planar extent of the at least one connecting plate (5).
  4. The safety bridge (1) according to claim 1,
    characterised in that
    a single draining plate (5') is provided, which has at least one drain opening (6'), preferably a plurality of drain openings (6'), or is formed like a grating with a plurality of drain openings (6'), wherein the grating-like draining plate (5') is arranged in the safety bridge (1) in a non-detachable or a detachable manner,
    or in that
    two draining plates (5') arranged opposite to each other on the wall (7') are provided, which delimit a gap-shaped drain opening (6') between them, wherein the draining plates (5') are inclined downwards toward the gap-shaped drain opening (6').
  5. The safety bridge (1) according to at least any one of claims 1 to 4, characterised in that
    the spacing device (2, 2') has, on the side facing away from the at least one connecting plate (5), positioning means (11, 11') for arranging the safety bridge (1) at the funnel top edge (10) of the funnel trap (2, 3, 4) in a defined manner, wherein
    the positioning means (11, 11') are formed by a circumferential bulge (11') or by outwardly facing protrusions (11') in order to arrange the safety bridge (1) at the funnel top edge (10) of the funnel trap (2, 3, 4) in a detachable manner, said bulge (11') or outwardly facing protrusions (11') being formed to bear on the top edge (10) of the funnel trap (2, 3, 4),
    or wherein
    the positioning means (11, 11') are formed to mount the safety bridge (1) to the funnel trap (2, 3, 4) in a detachable manner and are, more particularly, formed as
    - a clamping device or as clips, preferably with one or two spring bridges, or
    - pin appendices which can be plugged through the circumferential top edge (10) of the funnel trap (2, 3, 4) by means of corresponding holes and can be fixed in this position, for example, by means of a lock nut, or
    - spring ends with outwardly or inwardly facing grip-arounds (11) for engagement underneath the top edge (10) of the funnel trap (2, 3, 4).
  6. The safety bridge (1) according to at least any one of claims 1 to 4,
    characterised in that
    the spacing device (7, 7') is, on the side facing away from the at least one connecting plate (5), firmly connected to a funnel (2) at the top edge (10) thereof, wherein the funnel (2) is formed to be connected to a drain line (3) of a funnel trap (2, 3, 4).
  7. The safety bridge (1) according to at least any one of claims 1 to 6,
    characterised in that
    the at least one connecting plate (5) has, in the arrangement on the funnel trap (2, 3, 4), at least one hollow connecting stud (12) on its upper side facing away from the funnel trap (2, 3, 4), said hollow connecting stud (12) ending in the at least one connecting opening(s) (6) of the connecting plate (5).
  8. The safety bridge (1) according to claim 7,
    characterised in that
    the hollow connecting stud (12) is formed straight or angled, is preferably mounted to the connecting plate (5) in a detachable and replaceable manner, and tapers in a stepped manner with increasing distance from the surface of the connecting plate (5) such that the connecting stud (12) can be cut to length at a predefined connecting cross-section.
  9. The safety bridge (1) according to at least any one of claims 1 to 8,
    characterised in that
    the number or a diameter of the at least one connecting opening (6) in the at least one connecting plate (5) can be selected by means of incorporated markings/predetermined breaking points (8) to create the connecting opening (6).
  10. The safety bridge (1) according to at least any one of claims 1 to 9,
    characterised in that
    the at least one connecting plate (5) has a plurality of connecting openings (6) with the same or different diameters.
  11. The safety bridge (1) according to at least any one of claims 1 to 10,
    characterised in that
    the at least one connecting plate (5) is formed in a replaceable manner, wherein a plurality of replaceable connecting plates (5) are provided for the safety bridge (1) and the replaceable connecting plates (5) differ from each other with regard to the number and/or size of the connecting openings (6).
  12. Free drain assembly with at least one drain line (15) arranged above the funnel (2) of a funnel trap (2, 3, 4),
    characterised in that
    the funnel (2) has a safety bridge (1) according to at least any one of claims 1 to 10, wherein the at least one drain line (15) is arranged at the at least one connecting opening (6) of the at least one connecting plate (5) of the safety bridge (1).
  13. Free drain assembly according to claim 12,
    characterised in that
    the safety bridge (1) corresponds to an opening of the funnel trap (2, 3, 4) with respect to its cross-sectional shape and/or its planar extent and delimits the opening of the funnel trap (2, 3, 4) from the top edge (10).
EP15003151.6A 2015-04-20 2015-11-03 Safety bridge for free drainage and free drain assembly Active EP3085839B8 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15003151T PL3085839T3 (en) 2015-04-20 2015-11-03 Safety bridge for free drainage and free drain assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202015101954.8U DE202015101954U1 (en) 2015-04-20 2015-04-20 security bridge

Publications (3)

Publication Number Publication Date
EP3085839A1 EP3085839A1 (en) 2016-10-26
EP3085839B1 true EP3085839B1 (en) 2020-04-22
EP3085839B8 EP3085839B8 (en) 2020-08-19

Family

ID=53485308

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15003151.6A Active EP3085839B8 (en) 2015-04-20 2015-11-03 Safety bridge for free drainage and free drain assembly

Country Status (3)

Country Link
EP (1) EP3085839B8 (en)
DE (1) DE202015101954U1 (en)
PL (1) PL3085839T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202020003533U1 (en) * 2020-08-18 2020-11-10 Willi Laut Safety funnel for a free drain with a siphon and a drain line

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4467830A (en) * 1981-04-27 1984-08-28 American Sterilizer Company Conduit for apparatus discharging a liquid
DE202005002415U1 (en) * 2005-02-14 2005-04-21 Hans Sasserath & Co. Kg Component set for the modular creation of a flow arrangement
US8118053B2 (en) * 2008-06-09 2012-02-21 Thomas Charles KORAN Adjustable backflow prevention device
DE202008011255U1 (en) * 2008-08-22 2009-03-19 Dometic Gmbh System separator II

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3085839A1 (en) 2016-10-26
EP3085839B8 (en) 2020-08-19
DE202015101954U1 (en) 2015-06-09
PL3085839T3 (en) 2020-09-21

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