EP1528307A2 - Floor drain with fireproofing material - Google Patents

Abstract

The floor drain comprises a cup-shaped outlet (12) which is connected to a drain pipe (15) by a section of plastic pipe (16). Fire-retardant material (6) foams if a fire occurs to seal the hole (1) in which the drain is mounted.

Description

The present invention relates to a drain device for the Mounting in a floor or ceiling opening comprising a Drain pot, a pipe socket for the fluidic Connection of the drain pot with a drain pipe has, as well Fire-retardants which, in the case of fire, damage the soil or Ceiling opening by foaming a fire protection compound at least temporarily close.

Such a drainage device is from the German Utility Model DE 203 02 159 U1 known. The Fire retardant of the drainage device described therein comprise a receiving means with a vertically in the installed position aligned cylindrical neck, at its upper end a is formed radially outwardly extending plate. On this Plate is a vertically upwardly extending sleeve, the can hold a drain pot. The top of the plate and the Inside of the protruding from the plate down cylindrical Stutzens are with a foaming at elevated temperatures Fire protection compound provided. The drain pot inserted in the socket comprises a vertically projecting pipe socket on which in Inside the cylindrical neck of the receiving means mediated a connection clamp a drain pipe is attached.

As disadvantageous in this known from the prior art Drain device proves, on the one hand, that the Connecting clamp inside the cylindrical neck of the Aufnahmemittels must be mounted, which may be with associated with considerable installation effort. On the other hand exists not the possibility of a drain device of the state of the art the art known both a drain pot and a Use drain pipe made of cast metal, because in case of fire expanding fire protection mass metal casting not or only insubstantially compress. This allows the ceiling or bottom opening in case of fire can not be closed.

The problem underlying the present invention is the Creating a drain device of the type mentioned, the easier to assemble and / or even when using Metal casting for the drain pot and drain pipe fire protection requirements is sufficient.

This is inventively by a drain device of the beginning mentioned type with the characterizing features of claim 1 reached. Such a configuration of the drainage device offers on the one hand, the advantage that when executed accordingly long Plastic pipe section of the connecting area between the Pipe and the drain pipe are shifted downwards so may be that a mounting of a connection clamp done easily can. Furthermore, the spacing of drain pot and ensures Drain pipe over the existing plastic pipe piece a sufficient compressibility of this gap, so that the expanding fire protection mass in case of fire, the soil or Can close the ceiling opening.

In accordance with claim 2 it can be provided that the Fire protection means are arranged in the drainage device, that in case of fire, the expanding fire protection mass in the vertical space between the pipe socket of the drain pot and expand into the drain pipe and in this area the Can close the floor or ceiling opening.

According to claim 3 it can be provided that the drain pipe from Metal casting exists.

According to claim 4 it can be provided that the drain pot from Plastic exists.

Alternatively, it may be provided according to claim 5, that the Drain pot made of cast metal. Even with a cast metal existing drain pot and a metal casting existing Drainpipe can be arranged through the between the two Plastic existing pipe section the closure of the floor or Ceiling opening in case of fire by the expanding Fire protection mass are guaranteed.

According to claim 6 it can be provided that the drain pipe with the plastic pipe section via a Connecting clamp is connected. Such a connection clamp For example, below a cylindrical portion of a Be arranged receiving means.

According to claim 7 it can be provided that the plastic existing pipe piece pushed onto the lower pipe socket or inserted into the lower pipe socket.

According to claim 8 it can be provided that the plastic existing pipe section at least in the space between lower end of the drain pot and the upper end of the drain pipe at least partially surrounded by a metal receiving means is, on the inside of fire protection compound is arranged. By surrounding the fire protection compound with a metallic Receiving agent ensures that the fire protection compound after inside expanded and thus in this area the soil or Can close the ceiling opening.

Fig. 1

eine Schnittansicht einer ersten Ausführungsform einer erfindungsgemäßen Ablaufvorrichtung;

Fig. 2

eine Schnittansicht einer zweiten Ausführungsform einer erfindungsgemäßen Ablaufvorrichtung;

Fig. 3

eine Schnittansicht einer dritten Ausführungsform einer erfindungsgemäßen Ablaufvorrichtung.

Further features and advantages of the present invention will become apparent from the following description of preferred embodiments with reference to the accompanying drawings. Show in it

Fig. 1

a sectional view of a first embodiment of a drain device according to the invention;

Fig. 2

a sectional view of a second embodiment of a drain device according to the invention;

Fig. 3

a sectional view of a third embodiment of a drain device according to the invention.

From Fig. 1, a drain device is visible, which in an opening. 1 a ceiling or a floor 2 is at least partially introduced. The drain device comprises in the illustrated Embodiment, a metallic receiving means 3, a cylindrical socket 4 and one in the installed state of the upper Having end 4 of the nozzle radially outwardly projecting plate 5. Stub 4 and 5 plates are integrally made of metal, made of steel, for example. The inside of the neck 4 and of the plate 5 are coated with a fire protection compound 6, the at elevated temperatures under high volume increase can foam. As a fire protection compound may, for example serve a so-called intumescent foam.

The drain device further comprises a sleeve 7 extending from the Top of the plate 5 extends upward. The preferably off Plastic existing sleeve 7 is in principle with its lower front end on the plate 5 and is through the Bonded fire protection compound 6, which is a plastic-like Has consistency, held on the receiving means 3, so that the Whole one-piece part forms. Such a one-piece part is for example, from German Utility Model DE 203 02 159 U1 well known.

On the plate 5 are fastening devices in the form of Flat iron 8 attached, extending from the plate 5 in a obtuse angles extend radially obliquely outwards and upwards. It are distributed over the circumference of several of these flat iron. 8 present, which are welded to the plate 5, for example can. The flat bars 8 are approximately horizontal at their upper end kinked, leaving them with their upper ends on top a run-up plane in the edge region around the opening 1 around can and can be attached. The flat bars 8 serve here on the one hand as a mortar anchor and on the other as height fixing parts.

After placing the flat iron 8 in the edge region of the opening. 1 For example, by a potting compound 9 of the remaining Annular gap between sleeve 7 and opening 1 are closed. The Sleeve 7 has in its upper region an inner circumferential annular groove 10, in which a sealing ring 11 is received.

The drain device further comprises a drain pot 12, the a cylindrical portion 13 which in the sleeve 7th is added so that O-ring 12 on the outside of the cylindrical portion 13 is present. The illustrated drain pot 12 has, for example, an odor trap. It exists however also the possibility to use other drainpots. In which illustrated embodiment is in the lower area after a downwardly extending pipe socket 14 is provided, the can be fluidically connected to a drain pipe 15.

The fluidic connection between the lower Pipe socket 14 and the drain pipe 15 is done via a pipe section 16 made of plastic, the top of a section of larger diameter has, the outside of the lower pipe socket 14 of the drain pot 12 is postponed. Between the upper extended section of the made of plastic pipe socket 16 and the pipe socket 14th the drain pot 12, a lip seal 17 is provided. Of the lower portion of the plastic pipe piece 16 is connected via a connecting clip 18 with the drain pipe 15.

There is a possibility that in the lower end of the Plastic existing pipe section 16 a metal support ring 19th is introduced, the screwing of the plastic existing pipe section 16 with the drain pipe 15 via the Clamp 18 facilitates.

In the embodiment shown in Fig. 1, both the drain pot 12 and the drain pipe 15 made of cast metal consist. Cast metal can be from the foaming Fire protection compound 6 are not compressed so that thereby a closure of the opening 1 is achieved. For this Basically, the upper edge of the drain pipe 15 and the lower edge the lower pipe socket 14 of the drain pot 12 from each other spaced, this distance through the plastic existing pipe section 16 is bridged. The plastic existing pipe section 16 can from the foaming Fire protection mass be compressed in case of fire, so that at this point the opening 1 of the fire protection compound. 6 can be closed.

From Fig. 2 is another embodiment of an inventive Flow device can be seen in the same parts with the same Reference numerals are provided as shown in Fig. 1. The drain pipe 15 is made in the embodiment of FIG. 2 as well as in the Embodiment of FIG. 1 made of cast metal. The drain pot 20 of Embodiment of FIG. 2, however, in contrast to the Drain pot 12 of FIG. 1 made of plastic, so that ultimately the lower end of the drain pot 20 by the fire protection compound 6 in Fire could be squeezed. Nevertheless, it is also at the embodiment of FIG. 2, a plastic existing Pipe 21 provided, which is used for connection between the Drain pipe 15 and the drain pot 20 is used. The lower end of the out Plastic existing pipe section 21 is as in the Embodiment of FIG. 1 by means of a connection clamp 18th connected to the drain pipe 15. The upper end of the plastic existing pipe section 21 is on a lower pipe socket 22nd pushed the drain pot 20, wherein in the lower part of the Drain pot 20 two concentric with each other Pipe sockets 22, 23 are provided. The seal between the made of plastic pipe section 21 and the drain pot 20th takes place via a lip seal 24, which is on the outside of the Plastic existing pipe section 21 and on the inside of the outer lower pipe socket 23 rests.

There is alternatively the possibility of having a plastic existing pipe section according to the embodiment according to Fig. 1 is selected, the outside of the outer lower Pipe socket 23 can be applied.

This is the connection between drain pot 20 and drain pipe 15th producing plastic pipe piece 21 is used in the Embodiment of FIG. 2 not primarily the improvement the sealing properties in case of fire, but puts the Connecting region between the drain pipe 15 and pipe section 21 such down that the connection clamp 18 reaches easily can be, resulting in a simplification of assembly. In particular, most of the connecting clip 18 is found outside of the downwardly projecting cylindrical neck 4 of the metallic receiving means 3.

There is according to the invention the possibility of very different Drain pots on their underside with a plastic one Pipe piece for connection to a particular cast metal to provide existing drain pipe 15.

From Fig. 3 is another embodiment of an inventive Flow device can be seen in the same parts with the the same reference numerals as in Fig. 1 and Fig. 2 are provided. Instead of a separate piece of plastic pipe has the embodiment of FIG. 3, a lower pipe socket 23 on which a downwardly extending plastic existing pipe section 21 is formed.

Reference numerals:

1

opening

2

cover

3

metallic receiving means

4

cylindrical neck

5

radial plate

6

Brandschutzmasse

7

sleeve

8th

flat iron

9

potting compound

10

ring groove

11

sealing ring

12

drain pot

13

cylindrical section

14

lower pipe socket

15

drain pipe

16

Pipe piece made of plastic

17

lip seal

18

connection clamp

19

Metal support ring

20

drain pot

21

Pipe piece made of plastic

22

lower pipe socket

23

lower pipe socket

24

lip seal

Claims (8)

Drainage device for mounting in a floor or ceiling opening comprising a drain pot (12, 20) having a pipe socket (14, 22, 23) for the fluidic connection of the drain pot - (12, 20) with a drain pipe (15); such as Fire protection means which, in the event of fire, can at least temporarily close the floor or ceiling opening (1) by foaming a fire protection compound (6); characterized in that the drainage device comprises a pipe section (16, 21) made of plastic, which is connectable or connected to the pipe socket (14, 22, 23) and the discharge pipe (15) such that pipe socket (14, 22, 23) and drain pipe (15) are vertically spaced apart in the installed state of the drain device. Drainage device according to claim 1, characterized in that the fire protection means are arranged in the drainage device such that in case of fire, the expanding fire protection compound (6) in the vertical space between the pipe socket (14, 22, 23) of the drain pot (12, 20) and the Explode drain pipe (15) into it and can close the floor or ceiling opening (1) in this area. Drainage device according to one of claims 1 or 2, characterized in that the drain pipe (15) consists of cast metal. Drainage device according to one of claims 1 to 3, characterized in that the drain pot (20) consists of plastic. Drainage device according to one of claims 1 to 3, characterized in that the drain pot (12) consists of cast metal. Drainage device according to one of claims 1 to 5, characterized in that the drain pipe (15) with the plastic pipe section (16, 21) via a connecting clamp (18) is connected. Drainage device according to one of claims 1 to 6, characterized in that the plastic pipe piece (14, 21) on the lower pipe socket (14, 22) pushed or inserted into the lower pipe socket (23). Drainage device according to one of claims 1 to 7, characterized in that the plastic pipe piece (14, 21) at least in the space between the lower end of the drain pot (12, 20) and the upper end of the drain pipe (15) at least partially by a metallic Receiving means is surrounded, on the inside of fire protection compound (6) is arranged.

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