EP3945177B1 - Water drain device - Google Patents

Water drain device Download PDF

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Publication number
EP3945177B1
EP3945177B1 EP21020135.6A EP21020135A EP3945177B1 EP 3945177 B1 EP3945177 B1 EP 3945177B1 EP 21020135 A EP21020135 A EP 21020135A EP 3945177 B1 EP3945177 B1 EP 3945177B1
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EP
European Patent Office
Prior art keywords
cover
light well
arrangement
drainage pipe
well according
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EP21020135.6A
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German (de)
French (fr)
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EP3945177A1 (en
Inventor
Dominik Hieber
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Individual
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Individual
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/0401Gullies for use in roads or pavements
    • E03F5/0404Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/0401Gullies for use in roads or pavements
    • E03F5/0405Gullies for use in roads or pavements with an odour seal
    • E03F5/0406Gullies for use in roads or pavements with an odour seal the odour seal being easily accessible for cleaning
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F17/00Vertical ducts; Channels, e.g. for drainage
    • E04F17/06Light shafts, e.g. for cellars

Definitions

  • the invention relates to a light shaft according to the preamble of claim 1.
  • a light shaft of this kind is from the DE 20 2011 050 239 U1 known.
  • the cover is designed as a leaf-collecting sieve, which engages with a connecting piece in a collar of the drain pipe that is flared out on the outside.
  • a connection module that can be inserted into the drain pipe from below and is sealed with the inner seal provided in the lower region of the drain pipe is provided in the known arrangement, to which the drainage line can be connected from below.
  • connection module This can be inserted into a double sleeve fixed in the connection module or pushed onto a collar surrounding the double sleeve.
  • the known arrangement therefore proves to be not simple enough and makes it difficult to connect the drainage line, which usually has to be done blindly on site.
  • the known arrangement contains a drain pipe concreted into the floor of the room with an upwardly bent end region which serves as a receptacle for a so-called drain unit formed by a pipe socket.
  • This pipe socket is sealed off from the upwardly projecting section of the discharge pipe by means of an outer lip seal attached on the peripheral side and carries a cover designed as a coarse sieve at its upper end.
  • the DE 10 2009 009 707 A1 shows a device for draining a light shaft, the bottom of which is provided with a drain opening, which is associated with a drain pipe pressed against the underside of the bottom and sealed by means of an O-ring, the upper entrance of which is covered by a leaf retaining sieve.
  • this object is achieved by a light shaft having the features of claim 1 .
  • the light shaft according to the invention ensures that the cover with its engagement piece interacts with the top of the radially inwardly projecting, circumferential rib of the drain pipe, which enables reliable sealing by means of the seal provided above the rib and easy rotation of the cover, so that it can be Turning can be locked.
  • the lid with its two-stage sieve arrangement can hold back not only leaves but also sand etc., thus guaranteeing long-lasting functional reliability. Nevertheless, the lid, which can be locked by turning, can be easily removed for cleaning purposes.
  • a further advantage can be seen in the fact that the drainage line engages directly in the drain pipe, with the underside of the radially inwardly projecting lip of the drain pipe forming a stop which specifies the desired length of engagement, which facilitates the required blind assembly on the building site.
  • said cover can be rotated and secured against being lifted off by means of a bayonet catch. This results in easy detachability and still a reliable hold of the lid.
  • it can advantageously be provided with an engagement element for attaching a suitable tool.
  • a siphon arrangement can be provided downstream of the screen arrangement on the inlet side, which siphon arrangement expediently has a funnel-shaped passage element with an upper inlet opening and a lower outlet opening, which has a peripheral seal and a closing force acting on it in its on the seal adjacent closed position is assigned durable and by a force exerted by the incoming water force against the action of the closing force in the opening direction movable closure flap.
  • the siphon arrangement advantageously results in a reliable odor barrier, so that odors rising from a sewage system, etc., are held back.
  • the closing flap which can be actuated by the incoming water against an intended closing force, advantageously results in an automatic mode of operation.
  • the siphon arrangement can advantageously be built into the cover. This ensures that the siphon assembly can be easily removed from the drain pipe for inspection etc.
  • a further advantageous development can consist in the closure flap assigned to the outlet opening of the siphon arrangement being designed as a trough which is pivotably mounted about a horizontal axis in the region of its edge and to which a device generating the closing force is assigned.
  • the closure flap assigned to the outlet opening of the siphon arrangement being designed as a trough which is pivotably mounted about a horizontal axis in the region of its edge and to which a device generating the closing force is assigned.
  • a counterweight that interacts with the closing flap in the form of a two-armed rocker can simply be provided. This advantageously results in a low-parts, maintenance-free arrangement.
  • a further expedient development can consist in the discharge pipe and/or the cover being formed as molded parts made of plastic, expediently as plastic injection-moulded parts.
  • the discharge pipe is produced with a length corresponding to a maximum base thickness and is assigned at a distance from the lower end with at least one, preferably several, different common base thicknesses staggered in height cutting marks is provided.
  • the main area of application of the invention is shafts made of concrete, in particular concrete light shafts of a known type that can be attached to a housing.
  • a light well etc. is indicated only by its bottom 1 which contains water drainage means 2 for draining water entering the well via its open top.
  • This has a built into the ground 1, that is concreted here, vertical drain pipe 3, according to figure 2 a discharge channel 4 limited.
  • a molded body made of plastic, in particular a plastic injection molding, is expediently used to form the drain pipe 3 .
  • the drain pipe 3 is according to figure 1 flush at the top and bottom with the top and bottom of the floor 1 and accordingly has a length corresponding to the thickness of the floor 1 when installed.
  • the molded part on which the discharge pipe 3 is based has a length in the initial state which corresponds to a maximum bottom thickness occurring in practice, with at least one, preferably several, in height at a distance from the lower end according to FIG staggered, each assigned to a common bottom thickness, in figure 2 cutting marks 5 indicated by broken lines are provided. These can be designed, for example, as grooves etc. formed into the outer circumference.
  • the drain pipe 3 figure 1 is based, for example, on a molded part cut off at the uppermost cutting mark.
  • the upper end region of a tubular drainage line 6 leading to a sewage system etc. is inserted from below.
  • a radially inwardly projecting part assigned to the drainage line 6 Stop provided according to figure 2 simply as a circumferential inner rib 7 can be trained.
  • the upper end of the drainage line 6 can expediently be chamfered conically, as in figure 1 is indicated.
  • FIG. 1 The plugged into the drain pipe 3 end of the drainage line 6 is how figure 1 further shows, sealed against the drain pipe 3 to keep pending pressurized water from below.
  • the drain pipe 3 according to figure 2 provided in its lower area with an inner, circumferential seal 8, which is inserted into an associated inner groove of the drain pipe 3.
  • the drain pipe 3 In order to prevent water under pressure from below in the form of seeping water along the outer circumference of the drain pipe 3 into the interior of the shaft, the drain pipe 3 according to FIG figure 1 provided with a circumferential anti-leakage barrier 9 projecting radially outwards from its outer circumference and protruding into the surrounding concrete.
  • the molding on which the drain pipe 3 is based can be figure 2 simply be provided with a peripheral outer flange.
  • the flange width that is to say the width of the seepage water barrier 9 is dimensioned in such a way that the resistance generated thereby and opposed to the seepage water is sufficient to prevent the seepage water from migrating around.
  • the drain pipe 3 is how figure 1 further shows closed at its upper input side by a cover 10.
  • This can also be a plastic molding, preferably a plastic injection molding of the figure 3 shown kind, underlying.
  • the drain pipe 3 is provided according to FIG.
  • a seal 13 associated with the insertion socket 12 is expediently provided, which, like the seal 8, can be inserted into an associated inner groove of the drain pipe.
  • a stop limiting the insertion movement is assigned to the lower end of the insertion socket 12 on the drain pipe side. This can be a separate stop projecting radially inward.
  • a common stop is used to form the stop associated with the cover 10 that can be inserted from above and the stop associated with the drainage line 6 that can be inserted from below Stop arrangement is provided in the form of the already mentioned rib 7, the underside of which forms the stop associated with the drainage line 6 and the top of which forms the stop associated with the cover 10.
  • the cover 10 must be water-permeable and, in the example shown, it is equipped with a figure 4 recognizable sieve arrangement provided. This is designed here in two stages and contains a coarse screen 14 on the input side and a fine screen 15 arranged downstream of this. A bypass flow bypassing the screen arrangement is prevented by the seal 13 . The cover 10 can be removed for cleaning the screen arrangement.
  • the removable cover 10 is advantageously secured against unintentional lifting.
  • the cover 10 according to figure 5 provided with radially projecting flange segments 16 according to figure 3 positioned at a distance from the top of the lid.
  • the drain pipe 3 is how figure 2 can be seen, provided with a groove 17 assigned to the flange segments 16 and delimited by inner ribs of the drain pipe 3, wherein the upper rib 18 forming the upper usable limit is provided with cutouts, not shown here, corresponding to the shape of the flange segments 16, via which the flange segments 16 can be inserted into the groove 17 when inserting the cover 10 into the associated seat 11.
  • By subsequently rotating the cover 10 it is blocked against being lifted off.
  • the drain pipe 3 is expediently provided with an upper collar 20, on which the groove associated with the seal 13 and the ribs delimiting this and the groove 17 are formed.
  • the upstream screen assembly may be a siphon assembly to form an odor barrier be subordinate. Like the sieve arrangement, this can also be appropriately associated with the cover 10, as can be seen from FIGS Figures 6 and 7 is removable. As an alternative to installing the siphon arrangement in the cover 10, an arrangement within the drain pipe 3 would also be conceivable.
  • the siphon arrangement contains in the example shown, as from the Figures 6 and 7 can be seen, a funnel-shaped passage part 21 with an upper inlet opening and a lower outlet opening, to which a closure flap 22 is assigned, which opens automatically under the effect of the water coming from above and, when no more water comes in, automatically under the effect of a closing force acting on it closes.
  • the figure 6 lies the closed state, the figure 7 based on the open state.
  • a peripheral seal 23 is provided, on which the closure flap 22 in the figure 6 underlying closed position is present.
  • the closure flap 22 can be designed as a spring tongue made of plastic or hard rubber etc., for example, designed like a leaf spring, which is clamped at one end and can be deflected downwards by a force acting from above against its spring effect.
  • the closure flap 22 is designed in the shape of a trough or pot to form a collecting vessel.
  • the closure flap 22 designed in this way is mounted on a bearing block 23 attached to the passage part 21 so that it can pivot about a horizontal axis in the region of its edge. Due to the weight of the water collected in the vessel forming the closure flap 22, the pivotably mounted closure flap 22 is opened against a closing force assigned to it.
  • a counterweight 24 that interacts with the closure flap 22 can be provided, which together with the closure flap 22 practically forms a two-armed seesaw that is balanced in such a way that the closure flap 22 opens as soon as a desired amount of water is in the collection vessel forming the closure flap 22 has accumulated.
  • a closing spring which interacts with the closing flap 22 in order to generate the closing force, for example in the form of a torsion spring integrated into the pivot bearing.

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

Description

Die Erfindung betrifft einen Lichtschacht gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a light shaft according to the preamble of claim 1.

Ein Lichtschacht dieser Art ist aus der DE 20 2011 050 239 U1 bekannt. Bei dieser bekannten Anordnung ist der Deckel als Laubauffangsieb ausgebildet, das mit einem Anschlussstutzen in einen außen ausgestellten Kragen des Ablaufrohrs eingreift. Eine Abdichtung des Deckels ist nicht vorgesehen, ebenso keine Möglichkeit zum Zurückhalten von feinen Verunreinigungen, wie Sand etc.. Es besteht daher die Gefahr, dass derartige Verunreinigungen in das Ablaufrohr gelangen, was auf lange Sicht die Funktionsfähigkeit beeinträchtigen kann. Zum Anschluss der Drainageleitung ist bei der bekannten Anordnung ein von unten in das Ablaufrohr einsteckbares, mit der im unteren Bereich des Ablaufrohrs vorgesehenen Innendichtung abgedichtetes Anschlussmodul vorgesehen, an das die Drainageleitung von unten angeschlossen werden kann. Diese ist dabei in eine im Anschlussmodul fixierte Doppelmuffe einsteckbar oder auf einen die Doppelmuffe umfassenden Kragen aufsteckbar. Die bekannte Anordnung erweist sich demnach als nicht einfach genug und erschwert das Anschließen der Drainageleitung, das in der Regel vor Ort blind erfolgen muss.A light shaft of this kind is from the DE 20 2011 050 239 U1 known. In this known arrangement, the cover is designed as a leaf-collecting sieve, which engages with a connecting piece in a collar of the drain pipe that is flared out on the outside. There is no provision for sealing the cover, nor is there any way of retaining fine contaminants such as sand, etc. There is therefore a risk that such contaminants will get into the drain pipe, which can impair functionality in the long term. To connect the drainage line, a connection module that can be inserted into the drain pipe from below and is sealed with the inner seal provided in the lower region of the drain pipe is provided in the known arrangement, to which the drainage line can be connected from below. This can be inserted into a double sleeve fixed in the connection module or pushed onto a collar surrounding the double sleeve. The known arrangement therefore proves to be not simple enough and makes it difficult to connect the drainage line, which usually has to be done blindly on site.

Aus der EP 1 329 562 B1 ergibt sich eine dem Boden eines Raums, wie eines Kellerraums, zugeordnete Ablaufvorrichtung. Die bekannte Anordnung enthält ein in den Boden des Raums einbetoniertes Ablaufrohr mit einem nach oben gebogenen Endbereich, der als Aufnahme für eine sogenannt, durch einen Rohrstutzen gebildete Ablaufeinheit dient. Dieser Rohrstutzen ist mittels umfangsseitig angebrachten, äußeren Lippendichtung gegenüber dem nach oben ragenden Abschnitt des Ablaufrohrs abgedichtet und trägt an seinem oberen Ende eine als Grobsieb ausgebildete Abdeckung.From the EP 1 329 562 B1 the result is a drain device associated with the floor of a room, such as a basement room. The known arrangement contains a drain pipe concreted into the floor of the room with an upwardly bent end region which serves as a receptacle for a so-called drain unit formed by a pipe socket. This pipe socket is sealed off from the upwardly projecting section of the discharge pipe by means of an outer lip seal attached on the peripheral side and carries a cover designed as a coarse sieve at its upper end.

Die DE 10 2009 009 707 A1 zeigt eine Vorrichtung zum Entwässern eines Lichtschachts, dessen Boden mit einer Ablauföffnung versehen ist, der ein an die Unterseite des Bodens angepresstes und mittels eines O-Rings hiergegen abgedichtetes Ablaufrohr zugeordnet ist, dessen oberer Eingang durch ein Laubrückhaltesieb abgedeckt ist.The DE 10 2009 009 707 A1 shows a device for draining a light shaft, the bottom of which is provided with a drain opening, which is associated with a drain pipe pressed against the underside of the bottom and sealed by means of an O-ring, the upper entrance of which is covered by a leaf retaining sieve.

Hiervon ausgehend ist es die Aufgabe der vorliegenden Erfindung, einen Lichtschacht oben genannter Art zu schaffen, der nicht nur einfach und kostengünstig aufgebaut ist, sondern auch eine hohe Wartungsfreiheit und Montagefreundlichkeit aufweist.Proceeding from this, it is the object of the present invention to create a light shaft of the type mentioned above, which is not only simple and inexpensive in construction, but is also very maintenance-free and easy to assemble.

Diese Aufgabe wird erfindungsgemäss durch einen Lichtschacht mit den Merkmalen des Anspruchs 1 gelöst.According to the invention, this object is achieved by a light shaft having the features of claim 1 .

Der erfindungsgemässe Lichtschacht stellt sicher, dass der Deckel mit seinem Eingriffstutzen mit der Oberseite der nach radial innen vorspringenden, umlaufenden Rippe des Ablaufrohrs zusammenwirkt, was eine zuverlässige Abdichtung mittels der oberhalb der Rippe vorgesehenen Dichtung sowie eine einfache Drehbarkeit des Deckels ermöglicht, so dass dieser durch Drehen arretierbar sein kann. Gleichzeitig ist sichergestellt, dass der Deckel mit seiner zweistufigen Siebanordnung nicht nur Laub, sondern auch Sand etc. zurückhalten kann und damit eine lang anhaltende Funktionssicherheit gewährleistet. Dennoch der durch Drehen arretierbare Deckel für Reinigungszwecke leicht entnehmbar. Ein weiterer Vorteil ist darin zusehen, dass die Drainageleitung direkt in das Ablaufrohr eingreift, wobei die Unterseite der nach radial innen vorspringenden Lippe des Ablaufrohrs einen Anschlag bildet, der die gewünschte Eingriffslänge vorgibt, was die erforderliche Blindmontage auf der Baustelle erleichtert.The light shaft according to the invention ensures that the cover with its engagement piece interacts with the top of the radially inwardly projecting, circumferential rib of the drain pipe, which enables reliable sealing by means of the seal provided above the rib and easy rotation of the cover, so that it can be Turning can be locked. At the same time, it is ensured that the lid with its two-stage sieve arrangement can hold back not only leaves but also sand etc., thus guaranteeing long-lasting functional reliability. Nevertheless, the lid, which can be locked by turning, can be easily removed for cleaning purposes. A further advantage can be seen in the fact that the drainage line engages directly in the drain pipe, with the underside of the radially inwardly projecting lip of the drain pipe forming a stop which specifies the desired length of engagement, which facilitates the required blind assembly on the building site.

Vorteilhafte Ausgestaltungen und zweckmäßige Fortbildungen der übergeordneten Erfindung sind in den Unteransprüchen angegeben.Advantageous refinements and expedient developments of the superordinate invention are specified in the dependent claims.

Vorteilhaft kann der genannte Deckel drehbar und mittels eines Bajonettverschlusses gegen Abheben gesichert sein. Hierdurch ergibt sich eine einfache Abnehmbarkeit und dennoch ein zuverlässiger Halt des Deckels. Zur Vereinfachung der Manipulation des Deckels kann dieser vorteilhaft mit einem Eingriffselement zum Ansetzen eines geeigneten Werkzeugs versehen sein.Advantageously, said cover can be rotated and secured against being lifted off by means of a bayonet catch. This results in easy detachability and still a reliable hold of the lid. In order to simplify the manipulation of the cover, it can advantageously be provided with an engagement element for attaching a suitable tool.

Gemäß einer weiteren vorteilhaften Ausgestaltung der übergeordneten Erfindung kann eine der eingangsseitigen Siebanordnung nachgeordnete Siphonanordnung vorgesehen sein, die zweckmäßig ein trichterförmiges Durchlasselement mit einer oberen Einlassöffnung und einer unteren Auslassöffnung aufweist, welcher eine umlaufende Dichtung und eine durch eine an ihr angreifende Schließkraft in ihrer an der Dichtung anliegenden Schließstellung haltbare und durch eine vom ankommenden Wasser ausgeübte Kraft entgegen der Wirkung der Schließkraft in Öffnungsrichtung bewegbare Verschlussklappe zugeordnet ist. Die Siphonanordnung ergibt in vorteilhafter Weise eine zuverlässige Geruchssperre, so dass aus einer Kanalisation etc. aufsteigende Gerüche zurückgehalten werden. Die durch das ankommende Wasser entgegen einer vorgesehenen Schließkraft betätigbare Verschlussklappe ergibt in vorteilhafter Weise eine automatische Funktionsweise.According to a further advantageous embodiment of the superordinate invention, a siphon arrangement can be provided downstream of the screen arrangement on the inlet side, which siphon arrangement expediently has a funnel-shaped passage element with an upper inlet opening and a lower outlet opening, which has a peripheral seal and a closing force acting on it in its on the seal adjacent closed position is assigned durable and by a force exerted by the incoming water force against the action of the closing force in the opening direction movable closure flap. The siphon arrangement advantageously results in a reliable odor barrier, so that odors rising from a sewage system, etc., are held back. The closing flap, which can be actuated by the incoming water against an intended closing force, advantageously results in an automatic mode of operation.

In weiterer Fortbildung dieser Weiterbildung kann die Siphonanordnung vorteilhaft in den Deckel eingebaut sein. Hierdurch wird sichergestellt, dass die Siphonanordnung für Inspektionszwecke etc. leicht vom Ablaufrohr abnehmbar ist.In a further development of this development, the siphon arrangement can advantageously be built into the cover. This ensures that the siphon assembly can be easily removed from the drain pipe for inspection etc.

Eine weitere vorteilhafte Weiterbildung kann darin bestehen, dass die der Auslassöffnung der Siphonanordnung zugeordnete Verschlussklappe als Wanne ausgebildet ist, die im Bereich ihres Rands um eine horizontale Achse schwenkbar gelagert ist und der eine die Schließkraft erzeugende Einrichtung zugeordnet ist. In der die Verschlussklappe bildenden Wanne kann sich nach und nach so viel Wasser sammeln, dass dessen Gewicht ausreicht, um die Verschlussklappe entgegen der Wirkung der hieran angreifenden Schließkraft zu öffnen. Hierdurch ist auch bei einem geringeren Wasseranfall eine zuverlässige Funktionsweise gewährleistet.A further advantageous development can consist in the closure flap assigned to the outlet opening of the siphon arrangement being designed as a trough which is pivotably mounted about a horizontal axis in the region of its edge and to which a device generating the closing force is assigned. In the trough forming the closure flap, so much water can gradually collect that its weight is sufficient to open the closure flap against the effect of the closing force acting on it. This ensures reliable functioning even with less water accumulation.

Zur Erzeugung der Schließkraft kann einfach ein mit der Verschlussklappe in Form einer zweiarmigen Wippe zusammenwirkendes Gegengewicht vorgesehen sein. Dies ergibt in vorteilhafter Weise eine teilearme, wartungsfreie Anordnung.To generate the closing force, a counterweight that interacts with the closing flap in the form of a two-armed rocker can simply be provided. This advantageously results in a low-parts, maintenance-free arrangement.

Eine weitere zweckmäßige Weiterbildung kann darin bestehen, dass das Ablaufrohr oder/und der Deckel als aus Kunststoff hergestellte Formlinge, zweckmäßig als Kunststoff-Spritzgussformlinge, ausgebildet sind. Um dabei für verschiedene Schachtbodendicken mit einem Formteil auszukommen, kann einfach vorgesehen sein, dass das Ablaufrohr mit einer einer maximalen Bodendicke entsprechenden Länge hergestellt wird und mit Abstand vom unteren Ende mit wenigstens einer, vorzugsweise mehreren, in der Höhe gegeneinander gestaffelten, verschiedenen gängigen Bodendicken zugeordneten Ablängmarkierungen versehen ist.A further expedient development can consist in the discharge pipe and/or the cover being formed as molded parts made of plastic, expediently as plastic injection-moulded parts. In order to get by with one molded part for different shaft base thicknesses, it can simply be provided that the discharge pipe is produced with a length corresponding to a maximum base thickness and is assigned at a distance from the lower end with at least one, preferably several, different common base thicknesses staggered in height cutting marks is provided.

Weitere vorteilhafte Ausgestaltungen und zweckmäßige Fortbildungen der übergeordneten Erfindung ergeben sich aus der nachstehenden Beschreibung eines bevorzugten Ausführungsbeispiels anhand der Zeichnung in Verbindung mit den Ansprüchen.Further advantageous refinements and expedient developments of the superordinate invention result from the following description of a preferred exemplary embodiment with reference to the drawing in conjunction with the claims.

In der nachstehend beschriebenen Zeichnung zeigen:

Figur 1
einen schematischen Vertikalschnitt durch eine im Boden eines Schachts vorgesehene Wasserablaufeinrichtung,
Figur 2
einen schematischen Vertikalschnitt durch das Ablaufrohr der Anordnung gemäß Figur 1,
Figur 3
einen schematischen Vertikalschnitt durch den Deckel der Anordnung gemäß Figur 1,
Figur 4
eine Draufsicht auf den Deckel,
Figur 5
einen Schnitt entlang der Linie V/V in Figur 3,
Figur 6
einen mit einer Siphonanordnung versehenen Deckel in gemäß Figur 3 entsprechender Darstellung und
Figur 7
die Anordnung gemäß Figur 6 mit geöffneter Abdeckklappe.
In the drawing described below show:
figure 1
a schematic vertical section through a water drainage device provided in the bottom of a shaft,
figure 2
according to a schematic vertical section through the drain pipe of the arrangement figure 1 ,
figure 3
according to a schematic vertical section through the cover of the arrangement figure 1 ,
figure 4
a top view of the lid,
figure 5
a cut along the line V/V in figure 3 ,
figure 6
a lid provided with a siphon arrangement according to FIG figure 3 appropriate representation and
figure 7
the arrangement according to figure 6 with the cover flap open.

Hauptanwendungsgebiet der Erfindung sind aus Beton hergestellte Schächte, insbesondere an einem Gehäuse anbringbare Beton-Lichtschächte an sich bekannter Art.The main area of application of the invention is shafts made of concrete, in particular concrete light shafts of a known type that can be attached to a housing.

In Figur 1 ist ein Lichtschacht etc. nur durch seinen Boden 1 angedeutet, der eine Wasserablaufeinrichtung 2 zum Ableiten von in den Schacht über seine offene Oberseite gelangendem Wasser enthält. Diese besitzt ein in den Boden 1 eingebautes, das heißt hier einbetoniertes, vertikales Ablaufrohr 3, das gemäß Figur 2 einen Ablaufkanal 4 begrenzt.In figure 1 a light well etc. is indicated only by its bottom 1 which contains water drainage means 2 for draining water entering the well via its open top. This has a built into the ground 1, that is concreted here, vertical drain pipe 3, according to figure 2 a discharge channel 4 limited.

Zur Bildung des Ablaufrohrs 3 findet zweckmäßig ein aus Kunststoff bestehender Formkörper, insbesondere ein Kunststoff-Spritzgussformling, Verwendung. Das Ablaufrohr 3 ist gemäß Figur 1 oben und unten bündig mit der Oberseite beziehungsweise Unterseite des Bodens 1 und besitzt dementsprechend im eingebauten Zustand eine der Dicke des Bodens 1 entsprechende Länge. Um für verschiedene Bodenstärken mit einem Formteil auszukommen, besitzt das dem Ablaufrohr 3 zugrundeliegende Formteil im Ausgangszustand eine Länge, welche einer in der Praxis vorkommenden, maximalen Bodendicke entspricht, wobei gemäß Figur 2 mit Abstand vom unteren Ende wenigstens eine, vorzugsweise mehrere, in der Höhe gestaffelt angeordnete, jeweils einer gängigen Bodendicke zugeordnete, in Figur 2 durch unterbrochene Linien angedeutete Ablängmarkierungen 5 vorgesehen sind. Diese können beispielsweise als in den äußeren Umfang eingeformte Rillen etc. ausgebildet sein. Dem Ablaufrohr 3 gemäß Figur 1 liegt beispielsweise ein an der obersten Ablängmarkierung abgeschnittenes Formteil zugrunde.A molded body made of plastic, in particular a plastic injection molding, is expediently used to form the drain pipe 3 . The drain pipe 3 is according to figure 1 flush at the top and bottom with the top and bottom of the floor 1 and accordingly has a length corresponding to the thickness of the floor 1 when installed. In order to manage with one molded part for different bottom thicknesses, the molded part on which the discharge pipe 3 is based has a length in the initial state which corresponds to a maximum bottom thickness occurring in practice, with at least one, preferably several, in height at a distance from the lower end according to FIG staggered, each assigned to a common bottom thickness, in figure 2 cutting marks 5 indicated by broken lines are provided. These can be designed, for example, as grooves etc. formed into the outer circumference. According to the drain pipe 3 figure 1 is based, for example, on a molded part cut off at the uppermost cutting mark.

In das Ablaufrohr 3 ist gemäß Figur 1 von unten der obere Endbereich einer rohrförmigen, zu einer Kanalisation etc. führenden Drainageleitung 6 eingesteckt. Um bei einem an einem Gebäude angebrachten Lichtschacht vor Ort das Einstecken der Drainageleitung 6 in das Ablaufrohr 5 von unten, das heißt eine Blindmontage der Drainageleitung 6 zu erleichtern, ist im Bereich der Innenseite des Ablaufrohrs 3 ein der Drainageleitung 6 zugeordneter, radial nach innen vorspringender Anschlag vorgesehen, der gemäß Figur 2 einfach als umlaufende Innenrippe 7 ausgebildet sein kann. Zur Bildung einer Einführhilfe kann das obere Ende der Drainageleitung 6 zweckmäßig konisch angephast sein, wie in Figur 1 angedeutet ist. Der in das Ablaufrohr 3 eingesteckte Endbereich der Drainageleitung 6 ist, wie Figur 1 weiter zeigt, gegenüber dem Ablaufrohr 3 abgedichtet, um von unten anstehendes Druckwasser abzuhalten. Hierzu ist das Ablaufrohr 3 gemäß Figur 2 in seinem unteren Bereich mit einer inneren, umlaufenden Dichtung 8 versehen, die in eine zugeordnete Innennut des Ablaufrohrs 3 eingelegt ist.In the drain pipe 3 is according figure 1 the upper end region of a tubular drainage line 6 leading to a sewage system etc. is inserted from below. In order to facilitate the on-site insertion of the drainage line 6 into the drain pipe 5 from below in the case of a light well attached to a building, i.e. a blind installation of the drainage line 6, in the area of the inside of the drain pipe 3 there is a radially inwardly projecting part assigned to the drainage line 6 Stop provided according to figure 2 simply as a circumferential inner rib 7 can be trained. To form an insertion aid, the upper end of the drainage line 6 can expediently be chamfered conically, as in figure 1 is indicated. The plugged into the drain pipe 3 end of the drainage line 6 is how figure 1 further shows, sealed against the drain pipe 3 to keep pending pressurized water from below. For this purpose, the drain pipe 3 according to figure 2 provided in its lower area with an inner, circumferential seal 8, which is inserted into an associated inner groove of the drain pipe 3.

Um zu vermeiden, dass von unten anstehendes Druckwasser in Form von Kriechwasser entlang des Außenumfangs des Ablaufrohrs 3 in das Schachtinnere gelangt, ist das Ablaufrohr 3 gemäß Figur 1 mit einer von seinem Außenumfang nach radial außen abstehenden, in den umgebenden Beton hineinragenden, umlaufenden Kriechwassersperre 9 versehen. Zur Bildung der Kriechwassersperre 9 kann der dem Ablaufrohr 3 zugrundeliegende Formling gemäß Figur 2 einfach mit einem umlaufenden Außenflansch versehen sein. Die Flanschbreite, das heißt die Breite der Kriechwassersperre 9, ist dabei so bemessen, dass der hierdurch erzeugte, dem Kriechwasser entgegengesetzte Widerstand ausreicht, um eine Umwanderung durch das Kriechwasser zu verhindern.In order to prevent water under pressure from below in the form of seeping water along the outer circumference of the drain pipe 3 into the interior of the shaft, the drain pipe 3 according to FIG figure 1 provided with a circumferential anti-leakage barrier 9 projecting radially outwards from its outer circumference and protruding into the surrounding concrete. To form the water seepage barrier 9, the molding on which the drain pipe 3 is based can be figure 2 simply be provided with a peripheral outer flange. The flange width, that is to say the width of the seepage water barrier 9, is dimensioned in such a way that the resistance generated thereby and opposed to the seepage water is sufficient to prevent the seepage water from migrating around.

Das Ablaufrohr 3 ist, wie Figur 1 weiter zeigt, an seiner oberen Eingangsseite durch einen Deckel 10 abgeschlossen. Diesem kann ebenfalls ein Kunststoffformling, vorzugsweise ein Kunststoff-Spritzgussformling der in Figur 3 gezeigten Art, zugrunde liegen. Zur Aufnahme des Deckels 10 ist das Ablaufrohr 3 gemäß Figur 2 mit einem dem Deckel 10 zugeordneten Sitz 11 versehen, in welchen der Deckel 10 mit einem nach unten vorstehenden Einsteckstutzen 12 einsteckbar ist. Im Bereich des Sitzes 11 ist zweckmäßig eine dem Einsteckstutzen 12 zugeordnete Dichtung 13 vorgesehen, welche wie die Dichtung 8 in eine zugeordnete Innennut des Ablaufrohrs eingelegt sein kann. Dem unteren Ende des Einsteckstutzens 12 ist ablaufrohrseitig ein die Einsteckbewegung begrenzender Anschlag zugeordnet. Dabei kann es sich um einen eigenen, nach radial innen vorspringenden Anschlag handeln. Im dargestellten Beispiel ist zur Bildung des dem von oben einsteckbaren Deckel 10 zugeordneten Anschlags und des der von unten einsteckbaren Drainageleitung 6 zugeordneten Anschlags eine gemeinsame Anschlaganordnung in Form der bereits erwähnten Rippe 7 vorgesehen, deren Unterseite den der Drainageleitung 6 zugeordneten Anschlag und dessen Oberseite den dem Deckel 10 zugeordneten Anschlag bildet.The drain pipe 3 is how figure 1 further shows closed at its upper input side by a cover 10. This can also be a plastic molding, preferably a plastic injection molding of the figure 3 shown kind, underlying. To accommodate the cover 10, the drain pipe 3 is provided according to FIG. In the area of the seat 11, a seal 13 associated with the insertion socket 12 is expediently provided, which, like the seal 8, can be inserted into an associated inner groove of the drain pipe. A stop limiting the insertion movement is assigned to the lower end of the insertion socket 12 on the drain pipe side. This can be a separate stop projecting radially inward. In the example shown, a common stop is used to form the stop associated with the cover 10 that can be inserted from above and the stop associated with the drainage line 6 that can be inserted from below Stop arrangement is provided in the form of the already mentioned rib 7, the underside of which forms the stop associated with the drainage line 6 and the top of which forms the stop associated with the cover 10.

Der Deckel 10 muss natürlich wasserdurchlässig sein und ist hierzu im dargestellten Beispiel mit einer aus Figur 4 erkennbaren Siebanordnung versehen. Diese ist hier zweistufig ausgebildet und enthält ein eingangsseitiges Grobsieb 14 und ein diesem nachgeordnetes Feinsieb 15. Durch das Grobsieb werden größere Verunreinigungen in Form von Laub etc. und durch das Feinsieb 15 feinere Verunreinigungen, beispielsweise Sand, zurückgehalten. Durch die Dichtung 13 wird eine die Siebanordnung umgehende Bypassströmung verhindert. Zur Reinigung der Siebanordnung ist der Deckel 10 abnehmbar.Of course, the cover 10 must be water-permeable and, in the example shown, it is equipped with a figure 4 recognizable sieve arrangement provided. This is designed here in two stages and contains a coarse screen 14 on the input side and a fine screen 15 arranged downstream of this. A bypass flow bypassing the screen arrangement is prevented by the seal 13 . The cover 10 can be removed for cleaning the screen arrangement.

Der abnehmbare Deckel 10 ist vorteilhaft gegen unbeabsichtiges Abheben gesichert. Hierzu ist der Deckel 10 gemäß Figur 5 mit radial vorspringenden Flanschsegmenten 16 versehen, die gemäß Figur 3 mit Abstand von der Deckeloberseite positioniert sind. Das Ablaufrohr 3 ist, wie Figur 2 erkennen lässt, mit einer den Flanschsegmenten 16 zugeordneten, durch Innenrippen des Ablaufrohrs 3 begrenzten Nut 17 versehen, wobei die die obere Nutzbegrenzung bildende obere Rippe 18 mit der Form der Flanschsegmente 16 entsprechenden, hier nicht näher dargestellten Ausschnitten versehen ist, über welche die Flanschsegmente 16 beim Einstecken des Deckels 10 in den zugeordneten Sitz 11 in die Nut 17 eingeführt werden können. Durch anschließendes Drehen des Deckels 10 wird dieser gegen Abheben gesperrt. Um das Drehen des Deckels 10 zu erleichtern, ist dieser gemäß Figur 3 zweckmäßig mit einem von oben zugänglichen Eingriffselement 19 zum Ansetzen eines geeigneten Drehwerkzeugs, beispielsweise mit einem Schlitz zum Ansetzen eines Schraubenziehers etc., versehen. Hierdurch wird auch das Abheben des Deckels 10 erleichtert. Zur Bildung des Sitzes 11 ist das Ablaufrohr 3 zweckmäßig mit einem oberen Kragen 20 versehen, an den die der Dichtung 13 zugeordnete Nut sowie die diese und die Nut 17 begrenzenden Rippen angeformt sind.The removable cover 10 is advantageously secured against unintentional lifting. For this purpose, the cover 10 according to figure 5 provided with radially projecting flange segments 16 according to figure 3 positioned at a distance from the top of the lid. The drain pipe 3 is how figure 2 can be seen, provided with a groove 17 assigned to the flange segments 16 and delimited by inner ribs of the drain pipe 3, wherein the upper rib 18 forming the upper usable limit is provided with cutouts, not shown here, corresponding to the shape of the flange segments 16, via which the flange segments 16 can be inserted into the groove 17 when inserting the cover 10 into the associated seat 11. By subsequently rotating the cover 10, it is blocked against being lifted off. In order to make it easier to turn the cover 10, according to FIG figure 3 expediently provided with an engaging element 19 accessible from above for attaching a suitable turning tool, for example with a slot for attaching a screwdriver etc. This also makes it easier to lift off the cover 10 . To form the seat 11, the drain pipe 3 is expediently provided with an upper collar 20, on which the groove associated with the seal 13 and the ribs delimiting this and the groove 17 are formed.

Der eingangsseiten Siebanordnung kann zur Bildung einer Geruchssperre eine Siphonanordnung nachgeordnet sein. Diese kann wie die Siebanordnung zweckmäßig ebenfalls dem Deckel 10 zugeordnet sein, wie aus den Figuren 6 und 7 entnehmbar ist. Alternativ zum Einbau der Siphonanordnung in den Deckel 10 wäre aber auch eine Anordnung innerhalb des Ablaufrohrs 3 denkbar. Die Siphonanordnung enthält im dargestellten Beispiel, wie aus den Figuren 6 und 7 erkennbar ist, ein trichterförmiges Durchlassteil 21 mit einer oberen Einlassöffnung und einer unteren Auslassöffnung, der eine Verschlussklappe 22 zugeordnet ist, die unter der Wirkung des von oben kommenden Wassers selbsttätig öffnet und, wenn kein Wasser mehr kommt, unter der Wirkung einer hieran angreifenden Schließkraft selbsttätig schließt. Der Figur 6 liegt der geschlossene Zustand, der Figur 7 der geöffnete Zustand zugrunde. Im Bereich der Auslassöffnung des Durchlassteils 21 ist eine umlaufende Dichtung 23 vorgesehen, an welcher die Verschlussklappe 22 in der der Figur 6 zugrunde liegenden Schließstellung anliegt.The upstream screen assembly may be a siphon assembly to form an odor barrier be subordinate. Like the sieve arrangement, this can also be appropriately associated with the cover 10, as can be seen from FIGS Figures 6 and 7 is removable. As an alternative to installing the siphon arrangement in the cover 10, an arrangement within the drain pipe 3 would also be conceivable. The siphon arrangement contains in the example shown, as from the Figures 6 and 7 can be seen, a funnel-shaped passage part 21 with an upper inlet opening and a lower outlet opening, to which a closure flap 22 is assigned, which opens automatically under the effect of the water coming from above and, when no more water comes in, automatically under the effect of a closing force acting on it closes. The figure 6 lies the closed state, the figure 7 based on the open state. In the area of the outlet opening of the passage part 21, a peripheral seal 23 is provided, on which the closure flap 22 in the figure 6 underlying closed position is present.

Die Verschlussklappe 22 kann als zum Beispiel aus Kunststoff oder Hartgummi etc. bestehende, nach Art einer Blattfeder gestaltete Federzunge ausgebildet sein, die an einem Ende eingespannt ist und durch eine von oben wirkende Kraft entgegen ihrer Federwirkung nach unten ausgelenkt werden kann. Im dargestellten Beispiel ist die Verschlussklappe 22 zur Bildung eines Auffanggefäßes wannen- oder topfförmig ausgebildet. Die so ausgebildete Verschlussklappe 22 ist im Bereich ihres Rands um eine horizontale Achse schwenkbar an einem an das Durchlassteil 21 angesetzten Lagerbock 23 gelagert. Durch das Gewicht des in dem die Verschlussklappe 22 bildenden Gefäß gesammelten Wassers wird die schwenkbar gelagerte Verschlussklappe 22 entgegen einer ihr zugeordneten Schließkraft geöffnet. Zur Erzeugung der Schließkraft kann ein mit der Verschlussklappe 22 zusammenwirkendes Gegengewicht 24 vorgesehen sein, das zusammen mit der Verschlussklappe 22 praktisch eine zweiarmige Wippe bildet, die so austariert ist, dass die Verschlussklappe 22 öffnet, sobald sich im die Verschlussklappe 22 bildenden Auffanggefäß eine gewünschte Wassermenge angesammelt hat. Es wäre aber auch denkbar, zur Erzeugung der Schließkraft eine mit der Verschlussklappe 22 zusammenwirkende Schließfeder vorzusehen, beispielsweise in Form einer in die Schwenklagerung integrierten Torsionsfeder.The closure flap 22 can be designed as a spring tongue made of plastic or hard rubber etc., for example, designed like a leaf spring, which is clamped at one end and can be deflected downwards by a force acting from above against its spring effect. In the example shown, the closure flap 22 is designed in the shape of a trough or pot to form a collecting vessel. The closure flap 22 designed in this way is mounted on a bearing block 23 attached to the passage part 21 so that it can pivot about a horizontal axis in the region of its edge. Due to the weight of the water collected in the vessel forming the closure flap 22, the pivotably mounted closure flap 22 is opened against a closing force assigned to it. To generate the closing force, a counterweight 24 that interacts with the closure flap 22 can be provided, which together with the closure flap 22 practically forms a two-armed seesaw that is balanced in such a way that the closure flap 22 opens as soon as a desired amount of water is in the collection vessel forming the closure flap 22 has accumulated. However, it would also be conceivable to provide a closing spring which interacts with the closing flap 22 in order to generate the closing force, for example in the form of a torsion spring integrated into the pivot bearing.

Vorstehend ist zwar ein besonders bevorzugtes Ausführungsbeispiel der Erfindung näher erläutert, ohne dass jedoch hiermit eine Beschränkung verbunden sein soll. So wäre es beispielsweise auch denkbar, die Kriechwassersperre 9 nicht an das Auslaufrohr 3 anzuformen, sondern anzusetzen. Ebenso wäre es denkbar, den Deckel 10 mittels eines Schraubgewindes im Ablaufrohr 3 festzulegen und dergleichen.Although a particularly preferred exemplary embodiment of the invention has been explained in more detail above, this is not intended to be associated with a restriction. It would also be conceivable, for example, not to form the anti-leakage device 9 on the outlet pipe 3, but rather to attach it. It would also be conceivable to fix the cover 10 in the drain pipe 3 by means of a screw thread and the like.

Claims (10)

  1. Light well which is open at the top and closed at the bottom by a base (1) and which can be attached to a building and which has a water drainage device having a drainage channel (4) provided at the base, wherein a drainage pipe (3) is provided which is installed in the base (1) of the light well and which contains the drainage channel (4), and which at its upper end on the inlet side has a seat arrangement (11) for a detachably attachable cover (10) which is provided with a sieve arrangement and comprises the cover (10), which in the region of its outer side is provided with a radially outwardly projecting circumferential creeping water barrier (9) and in the region of its inner side with a circumferential rib (7) projecting radially inwards and a seal (8) arranged in its lower region, which is inserted into an inner groove of the drainage pipe, and into which a drainage pipe (6) can be inserted from below, characterized in that the drainage pipe is provided, in the region of the seat arrangement (11) associated with the cover (10), with a circumferential seal (13) associated with an engagement socket (12) on the cover side, and, below this, with the rib (7), and in that the underside of the rib (7) forms a stop for the drainage line (6) inserted from below into the drainage pipe (3) and sealed by means of the lower seal (8), and the upper side of the rib (7) forms a stop for an engagement socket (12) of the cover (10), the sieve arrangement of which has at least one fine sieve (15) arranged downstream of its coarse sieve (14) on the inlet side.
  2. Light well according to claim 1, characterized in that the cover (10) is rotatable and secured against lifting off by means of a bayonet lock.
  3. Light well according to claim 2, characterized in that the cover (10) is provided with an engagement element (19) for attaching a tool.
  4. Light well according to one of the preceding claims, characterized in that a siphon arrangement is arranged downstream of the inlet-side sieve arrangement, which siphon arrangement has a funnel-shaped passage body (21) with an upper inlet opening and a lower outlet opening, to which are assigned a circumferential seal (23) and a closure flap (22), which can be held in its closed position resting against the seal (23) by an associated closing force and can be moved in the opening direction counter to the action of the closing force by a force exerted by the incoming water.
  5. Light well according to claim 4, characterized in that the siphon arrangement is incorporated in the cover (10).
  6. Light well according to claim 4 or 5, characterized in that the closure cap (22) is designed as a tub-shaped or pot-shaped vessel which is mounted in the region of its rim so as to be pivotable about a horizontal axis and with which a device generating the closing force is associated.
  7. Light well according to claim 6, characterized in that a counterweight (24), which forms a two-armed rocker with the closure flap (22), is provided for generating the closing force.
  8. Light well according to one of the preceding claims, characterized in that the seal (8) of the lower region of the drainage pipe (3) is associated with the insertable drainage pipe (6).
  9. Light well according to one of the preceding claims, characterized in that the drainage pipe (3) or/and the cover (10) are designed as molded parts consisting of plastic, preferably as plastic injection molded parts.
  10. Light well according to claim 9, characterized in that the molded part provided for forming the drainage pipe (3) has a manufacturing length corresponding to a maximum thickness of the base (1) and is provided at a distance from the lower end with at least one, preferably several, cut-to-length markings (5) staggered in height.
EP21020135.6A 2020-07-31 2021-03-10 Water drain device Active EP3945177B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202020003298.0U DE202020003298U1 (en) 2020-07-31 2020-07-31 Water drainage device

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EP3945177A1 EP3945177A1 (en) 2022-02-02
EP3945177B1 true EP3945177B1 (en) 2023-08-23

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EP21020135.6A Active EP3945177B1 (en) 2020-07-31 2021-03-10 Water drain device

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DE (1) DE202020003298U1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE39702B1 (en) * 1973-05-10 1978-12-06 Klenk A Back-flow and odour trap for liquids
DE10201345B4 (en) * 2002-01-16 2016-07-28 Dallmer Gmbh & Co. Kg Drainage unit for installation in the floor of a room
CN1318705C (en) * 2004-06-28 2007-05-30 吴冀生 Water impact non-return drainage facility
DE102009009707B4 (en) * 2008-12-29 2016-05-19 Aco Severin Ahlmann Gmbh & Co. Kg dehydrator
DE202011050239U1 (en) * 2011-05-24 2011-07-27 Jürgen Krasemann Light shaft drainage system

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