EP2492411B1 - Ventilation device that can be inserted in a tile roof - Google Patents

Description

The invention relates to a ventilation device with a roofing plate having a dome with a tiltable to the respective roof pitch hood, with a vent pipe having a rigid, together with the hood tilt-adjustable, an air outlet opening upper pipe section, a rigid, a connection element having an air inlet opening having lower pipe section and a disposed between the upper pipe section and the lower pipe section flexible region.

A ventilation device of the type described above is known from DE 19811993 B4 previously known. The ventilation device has a base plate which has the form of a roofing plate and which can be used in a roof covering instead of a local roofing plate. The facing the roof outside broadside of the roofing plate carries a dome-like dome, which has an opening which is closed by a dome completing the hood. The hood can be pivoted about an axis extending parallel to the eaves or to the first axis relative to the cathedral. The hood has an opening through which a vent pipe protrudes from the roof inside to the roof outside. The ventilation pipe is firmly connected to the hood and has an air outlet opening. The hood or the upper tube section fixedly connected to the hood can be pivoted relative to the roof covering plate such that the tube axis of the upper tube section can be brought into a vertical direction independently of the roof inclination. The rigid ventilation tube extends completely through the dome and into the rafter area or a Aufsparren- or Untersparrendämmung inside. At the end of the rigid pipe section, a flexible pipe section connects, the other end is in a rigid lower pipe section, which forms a connection pipe, to which a vent pipe of a ventilation duct can be connected.

A similar fan is out of the DE 82 27 425 previously known. Here, too, the rigid ventilation tube protrudes through it similarly as it does DE 73 27 080 U or the FR 2 238 826 A1 show the entire dome and up to the rafter area, where it is attached by means of a pipe clamp.

From the US 3,076,669 is a flexible tube is known which has at its two ends in each case a rigid pipe section and between the rigid pipe sections a corrugated tube-like pipe section.

The EP 0 318 735 describes a connection pot with a perpendicular to the Topfachse connecting pipe piece.

The use of a ventilation device described above with small slats and especially in a roof insulation can cause problems because with small slats gaps must be made. If the known ventilation device has a large tilting angle, that is to say can be used for a large roof tilting area, then only a relatively small installation space is available for the ventilation cross section. In the insulation or underlay or roof substructure, a relatively large section must be introduced in particular in the form of a conic. This must also be exactly below the dome opening. Since this is not guaranteed on the site usually either too large openings are introduced into the insulation or it is accepted that the upper pipe sections are inclined to the vertical. Usually therefore holes are cut too large and closed after the roof of the roof and installation of the ventilation device with Dämmstücken or construction foam. Because the opening is usually difficult to access is, this is not done properly, which is disadvantageous for the insulation.

The DE 9314 218 describes a connecting piece which can be used in a roof substructure such that the tube axis of the connecting piece crosses the roof plane perpendicularly. A ventilation pipe protruding through the roof skin, however, is not provided there.

The DE 43 38 662 A1 describes a fan element with a tube that penetrates a roof cover and that is equipped on the inside of the roof with a connector for connection to a vent line. The connector should consist of two pivotally interconnected connector parts or a flexible hose.

The invention has for its object to improve the ventilation device assembly technology.

The object is achieved by the invention specified in the claims. First and essentially it is provided that the flexible region extends in at least one inclination position of the upper pipe section to the extension plane of the roofing plate partially into the dome.

The connecting element should be fastened with its tube axis a roof rafter seal perpendicular to its extension plane crossing the rafters, on a roof substructure or on a pipe feedthrough, in particular an insulating sleeve. Consequently, the flexible area essentially extends only over the gap between the insulation and the dome. It therefore essentially extends only over the space defined by the roof battens and the counter battens between roof underlayment, ie between the outer side surface of the rafters and the cavity of the cathedral. Preferably, the terminal portion of the flexible portion at the upper rigid tube portion extends completely or at least almost completely in the cavity of the dome. The flexible area can also be formed like a hose. It is connected at both ends with rigid connecting edges of sections of the ventilation pipe. In a preferred embodiment, the connection pipe has a mounting flange. This can form a ring collar, which can be mounted on the rafter top or on a roof substructure. The mounting flange is then in the roof level, so that the pipe axis of the connector crosses the roof level vertically. Preferably, the mounting flange is formed so that it can rest on the outside of a rafter insulation, which has a circular hole into which the connection pipe is inserted. Preferably, the flexible region extends so far into the dome that the imaginary axis of rotation about which the hood or the upper tube section is pivotable relative to the roofing plate, lies in the flexible region. The flexible region is connected to a dome passage pipe section, to which an upper Tube section is screwed on. The Domdurchtritts pipe section and the upper pipe section define a pipe axis, which is inclined according to the roof inclination relative to the extension plane of the roofing plate such that it is in the mounted position in the vertical. The lower edge of the Domdurchtritts pipe section forms a connection edge, at which the the flexible region forming corrugated hose is connected to the Domdurchtritts pipe section. The connecting edge may have a first, approximately over a semicircular arc extending portion which extends in a plane which is perpendicular to the tube axis. A second connection edge section, which likewise preferably extends over a semicircular arc, extends in a plane which runs at an angle between 30 ° and 60 ° inclined to the first plane and thus intersects the tube axis at this angle. The cutting angle at which the tube axis is cut from this plane is preferably about 45 °. In the area of the oblique Anchor of the Domdurchtritts pipe section is formed according to the local waves of the corrugated hose from a compression reserve of the corrugated hose. In another orientation, however, an expansion reserve of the corrugated hose can also form. The lower rigid tube section and the upper rigid tube section, which adjoin directly to the flexible region, can be positively connected to the flexible region. For this purpose, the connection edges on both sides, so both inside and outside of the tube surrounded by the rubber-elastic material of the flexible region, so that this connection edge rests in a groove The connection edge may have mounting holes into which material can pass when molding the flexible areas, so that a form-fitting Connection between the flexible area and the two rigid pipe sections forms. The flexible pipe section is preferably produced by injection molding, wherein the two rigid pipe sections are inserted into the injection mold. However, this molded part can also be produced in a two-component injection molding process. The pipe sections made of hard material are made first. The soft component is then injected in the same tool. But it is also possible to add the said pipe sections elsewhere.

In a further development of the invention, it is provided that the connecting tube is inserted into an end opening of an insulating sleeve. The tube axis of the insulating sleeve runs transversely to the roof plane. The diameter of the insulating sleeve may be larger than the diameter of the connecting pipe, so that the end face of the insulating sleeve has a ring shape and the connecting pipe in the ring opening inserted on the inside of the roof, the insulating sleeve or even the connection pipe stuck in a connection pot. The connection pot may have a connection pipe section which can be connected to a vent pipe. This can run transversely to the tube axis of the insulating sleeve. It is also provided that the connecting pipe section forms an axis which is parallel to the tube axis of the insulating sleeve.

As a result of the embodiment according to the invention, the cutouts in the roof underlay or in the thermal insulation for the connecting pipe or the insulating sleeve can be designed circular. The special arrangement of the flexible area up to the dome makes it possible to position the cutouts in the roof underlay or the thermal insulation with large tolerances. As a result, the cutouts are easy to mark, execute and also reseal. The connecting pipe protrudes either completely through the insulation or only partially into the insulation. The connection pipe can be fixed to the rafter or a roof substructure in such a way that its tube axis runs transversely to the roof plane. The ventilation device according to the invention can be installed even with large roof pitches and large overlaps essentially without reworking roof tiles and battens. The cutouts in the underlay or the insulation can be performed circular regardless of the roof pitch, since the fitting or the usable together with the fitting insulation sleeve have a circular cross-section. The connection to the roof underlay can be done in the usual way with adhesive tapes or with a Unterspannanschlussring. It can be provided an additional flexible hose, with which the connecting pipe or a connecting pipe section is connected to a ventilation line. The annular flange of the connection pipe can also serve as a stop when using an insulating connection sleeve. It may also be bolted to a battens if necessary. It is a relatively simple connection with a vertically embedded in the thermal insulation high-temperature insulating sleeve (HT pipe) possible.

Figur 1

eine Lüftungsvorrichtung in einer Schnittdarstellung eines Steildaches mit einer ersten Dachneigung,

Figur 2

eine Darstellung gemäß Figur 1, wobei die Dachneigung jedoch geringer ist,

Figur 3

eine perspektivische Darstellung eines den flexiblen Bereich 7, das Anschlussrohr 10 und einen Domdurchtritts-Rohrabschnitt 18 ausbildenden Elementes der Lüftungsvorrichtung,

Figur 4

das in der Figur 3 dargestellte Element in einer Explosionsdarstellung,

Figur 5

den erfindungsgemäßen Lüfter in einer Explosionsdarstellung,

Figur 6

eine Darstellung gemäß Figur 1 einer weiteren Ausführungsform, bei der das Anschlussrohr 10 in einer Dämmhülse 19 steckt, deren dachinnenseitiges Ende mit einem Anschlusstopf 23 verbunden ist,

Figur 7

eine perspektivische Explosionsdarstellung des in der Figur 6 dargestellten Ausführungsbeispiels,

Figur 8

perspektivisch einen unteren Abschnitt des Lüftungsrohres, eine Dämmhülse mit Einstecköffnung 19' für das Anschlussrohr 10 und einen Anschlusstopf 23, an dem ein Wellschlauch 33 angeschlossen ist,

Figur 9

eine Darstellung gemäß Figur 8, bei der der Anschlusstopf einen gradlinigen Anschlussrohrabschnitt aufweist, und

Figur 10

eine Darstellung gemäß Figur 1 mit einem in abweichender Orientierung eingebautem dachinnenseitigen Rohrabschnitt.

Embodiments of the invention are explained below with reference to accompanying drawings. Show it:

FIG. 1

a ventilation device in a sectional view of a pitched roof with a first roof pitch,

FIG. 2

a representation according to FIG. 1 but the roof pitch is lower,

FIG. 3

a perspective view of the flexible region 7, the connecting pipe 10 and a Domdurchtritts pipe section 18 forming element of the ventilation device,

FIG. 4

that in the FIG. 3 represented element in an exploded view,

FIG. 5

the fan according to the invention in an exploded view,

FIG. 6

a representation according to FIG. 1 a further embodiment in which the connecting pipe 10 is inserted in an insulating sleeve 19 whose roof inside end is connected to a connection pot 23,

FIG. 7

an exploded perspective view of the in FIG. 6 illustrated embodiment,

FIG. 8

in perspective, a lower portion of the ventilation tube, an insulating sleeve with insertion opening 19 'for the connecting pipe 10 and a connection pot 23, to which a corrugated hose 33 is connected,

FIG. 9

a representation according to FIG. 8 in which the connection pot has a straight connection pipe section, and

FIG. 10

a representation according to FIG. 1 with a built-in deviating orientation roof inside pipe section.

The ventilation device according to the invention has a roofing plate 1, which can be used instead of a conventional roofing plate 15 in a pitched roof, so that the roofing plate 1 with its longitudinal edges, not shown adjacent to roofing plates 15 such that a longitudinal edge of a roofing plate 15 is overlapped and the other longitudinal edge overlaps the edge of a roofing panel 15. The upper edge of the roofing plate 1 is overlapped by a conventional roofing plate 15. With its lower edge, the roof covering plate 1 of the ventilation device overlaps the upper edge of a roofing plate 15. The upper edge of the roofing plate 1 of the ventilation device is supported on a roof lath 14. While the roof battens 14 extend parallel to the eaves or ridge, the counter battens 13, on which the roof battens 14 are placed, run parallel to the rafters 32, ie transversely to the eaves or respectively across to the ridge. In the embodiment, a rafter insulation 12 is applied to the rafters 32. The Aufsparrendämmung 12 is wearer of the counter battens 13th

The roofing plate 1 has a dome-shaped dome, which has an opening closed by a hood 3. With regard to the design of the roofing plate 1 of the dome formed as a dome 2 and the hood 3 and a fixedly connected to the hood upper pipe section 4 is referred to the above DE 198 11993 B4 and the literature cited therein.

The hood 3 is pivotable about an imaginary pivot axis 20 relative to the dome 2, so that the upper pipe section 4 can pivot relative to the roofing plate 1 such that the tube axis 21 of the upper pipe section 4 can assume different angles of inclination relative to the plane of extension of the roofing plate 1. The pivot axis 20 extends parallel to the eaves or ridge and thus transversely to the roof pitch. The upper end of the upper tube section 4 forms an air outlet opening 8, which is closed with a cap 25 such that although a vent possible, a rainwater inlet is avoided.

The upper tube section forms at its lower end a peripheral edge 27. This forms a support shoulder, with which the upper pipe section 4 can be supported on the opening edge 26 of the hood 3. A reduced-diameter connection forms an external thread 28, which dips into the connecting pipe section of the hood 3, which forms the opening edge 26.

The external thread 28 can be connected to an internal thread 29 of a through-passage pipe section 18. The Domdurchtritts pipe section 18 forms on its side opposite the internal thread 29 side of a connecting edge 17,17 ', on which the Domdurchtritts pipe section 18 is connected to a flexible, ie bendable, compressible and stretchable pipe section 7. The connection edge 17 forms two sections 17, 17 'each extending over a semicircular section. The first connection edge section 17 extends in a plane which perpendicularly intersects the tube axis 21. This connection edge 17 'extends on the side facing the eaves. On the side facing the ridge, the connecting edge 17 extends in a plane which is cut by the tube axis 21 approximately at a 45 ° angle, so that on the side facing the ridge an additional compression reserve of the flexible region 7 trains. In the in the FIG. 10 illustrated embodiment, this connection edge 17 'to the ridge out. The connection edge 17 runs there on the side facing the eaves, so that an additional expansion reserve of the flexible region 7 forms here on the side facing the eaves

The flexible region 7 is formed like a hose and can be connected by injection molding with the rigid dome passage pipe section 18 and a rigid connection pipe 15. For this purpose, the connection edge 17, 17 'and the connection edge 16 of the connecting pipe 10 are made material-reducing and have a plurality of through openings, which are filled with the material of the flexible region 17 during encapsulation of the connection edge 16, 17, 17', so that two parallel extending ribs of the mounting edge 30 and 31 of the flexible portion 7 both inside and outside the terminal edge 16, 17, 17 'abut.

The flexible region 7 is connected on one side to the dome passage pipe section 18 and on the other side to the connection pipe 10. The connecting pipe 10 is provided with a fastening flange 6 that surrounds the connecting pipe 10 in an annular manner. The fastening flange 6 directly adjoins the connecting edge 16. On the opposite side of the connecting edge 16, the connecting pipe 10 forms a lower pipe section 5, which has a circular cross-section and thus forms a tube axis 11 The free end of the connecting pipe 10 forms an air inlet opening 9, through the air in the vent pipe 4, 5, 7,18 can emerge, which exits through the air outlet opening 8.

The connection edges 17, 17 'of the dome passage pipe section 18 are so small spaced from the passage opening of the hood 3, that the imaginary pivot axis in each pivot position of the hood 3 through the flexible area 7 goes. The upper portion of the flexible portion 7 is located in any pivot position within the cavity formed by the dome 2. According to this design rule is also the connection edge 17, 17 ', at which the flexible portion 7 adjoins the Domdurchtritts pipe section 18, in each pivot position of the hood 3 and the upper pipe section 4 within the limited by the roofing plate level cavity of the bottom Domes 2.

The rafter insulation 12 has a circular opening into which the connection pipe 10 is inserted such that the pipe axis 11 is perpendicular to the extension plane of the rafter insulation 12 and thus perpendicular to the roof surface plane. The lower side of the mounting flange 6 is flat on the top of Aufsparrendämmung 12 and is bolted to the Aufsparendämmung 12, glued or otherwise firmly connected. The air inlet opening 9 of the connecting pipe 10 can be connected to an additional corrugated hose 33 or otherwise to a venting line, not shown.

When mounting the positioning of the circular opening for receiving the connecting pipe 10 is not critical. There are provided in terms of their location large tolerances. The flexible pipe section 7 is designed in terms of its length so that the flexible pipe section 7 substantially only the approximately between 5 and 10 cm large clearance space, which is defined by the roof battens 14 and the counter battens 13, bridged formed by the flexible portion 7 as a corrugated hose is, he also has a compression reserve and an expansion reserve, each extending over a distance that corresponds at least to the material thickness of a counter-batten 13 or a roof batten 14

The mounting flange 6 can also be applied directly to a formwork or even on the rafters themselves.

The FIGS. 1 and 2 show that with different roof pitches the tube axis 21 is always aligned in the vertical direction, so that the tube axes 21 and 11 can take different, the respective roof pitch corresponding angle.

In the in the Fig. 6 illustrated embodiment is within the Aufsparrendämmung 12 a sleeve 19. It may be an insulating sleeve, in particular a high-temperature insulating sleeve. This has a circular diameter and is inserted into a circular opening of Aufsparrendämmung 12. In the process, it also projects beyond a roof batten 14. The outwardly facing end face of the insulating sleeve 19 has a reducing ring-like end face with a central opening 19 'in which the connecting pipe 10 is inserted in such a way that the fastening flange 6 is inserted on the end face of the insulating sleeve 19. The tube axis of the insulating sleeve 19 extends coaxially to the tube axis 11 of the connecting pipe 10 and intersects the roof plane vertically.

The insulating sleeve 19 may alternatively extend into the area of a sub-rafter insulation or project through a sub-rafter insulation.

On the underside of the insulating sleeve 19 is a connection pot 23, which is connected via a corrugated hose 33 to the vent line. The connection pot 23 has a connection pipe section 24 whose pipe axis runs perpendicular to the pipe axis of the insulation sleeve 19.

From the in Fig. 8 shown representation that it is the connecting pipe section 24 is a reducer, the one-sided a round terminal portion and the other end has a rectangular connection portion with which it is attached to the connection pot 23.

In the in the FIG. 9 illustrated embodiment, the connection pot 23 forms with its connecting pipe section 24 a reducer on the straight line extension to the pipe axis of the connection pot 23, a corrugated hose 33 can be plugged.

All disclosed features are essential to the invention. The disclosure of the associated / attached priority documents (copy of the prior application) is hereby also incorporated in full in the disclosure of the application, also for the purpose of including features of these documents in claims of the present application. The subclaims characterize in their optional sibling version independent inventive development of the prior art, in particular to make on the basis of these claims divisional applications. <B> LIST OF REFERENCES </ b> 1 Roofing panel 2 cathedral 3 Hood 4 (upper) pipe section 5 (lower) pipe section 6 mounting flange 7 (flexible) area 8th Air outlet opening 9 Air inlet opening 10 connecting pipe 11 pipe axis 12 rafter 13 Counter battens (substructure) 14 batten 15 Roofing panel 16 connecting rim 17 connecting rim 17 ' connecting rim 18 Domdurchtritts pipe section 19 High temperature insulating sleeve 19 ' insertion 20 swivel axis 21 pipe axis 22 end opening 23 connection pot 24 Connecting pipe section 25 cap 26 opening edge 27 edge 28 external thread 29 inner thread 30 fastening edge 31 fastening edge 32 (Roof) rafters 33 corrugated hose

Claims (9)

1. Ventilation device comprising a roof covering (1), comprising a dome (2) having a hood (3) that can be adjusted in inclination to the respective roof pitch, having a ventilation pipe (4, 5, 7, 18) comprising an upper pipe portion (4) that is rigid and can be adjusted in inclination together with the hood (3) and has an air inlet aperture (8), a lower pipe portion (5) that is rigid and comprises a connecting element (10) having an air inlet aperture (9), and a flexible region (7) arranged between the upper pipe portion (4) and the lower pipe portion (5), characterised in that the flexible region (7) extends in part into the dome (2) in at least one inclination position of the upper pipe portion (4) relative to the extension plane of the roof covering (1), and the connecting element (10) can be fixed, the pipe axis (11) thereof perpendicularly crossing the roof plane, to the rafter (32), to a rafter-mounted insulation (12), to a roof substructure (13) or to a pipe lead-through, in particular an insulating sleeve (19).
2. Ventilation device according to claim 1, characterised in that the flexible region (7) is designed in the form of a corrugated tube and is connected at both ends to rigid connection edges (16, 17, 17') of portions (5, 18) of the ventilation pipe (4, 5, 7, 18).
3. Ventilation device according to either of the preceding claims, characterised in that the connecting pipe (10) has a mounting flange (6).
4. Ventilation device according to any of the preceding claims, characterised in that the intended swivel axis (20) of the hood (3) and/or of the upper pipe portion (4) extends through the flexible region (7).
5. Ventilation device according to any of the preceding claims, characterised in that the connection edge (17, 17') of a pipe portion (18) of the ventilation pipe that passes through the dome has one connection edge (17) that perpendicularly intersects with the pipe axis (21) and one connection edge (17') that intersects at an angle of between 30° and 60°.
6. Ventilation device according to any of the preceding claims, characterised in that the connecting pipe (10) is inserted in an end opening (22) of the insulating sleeve (19), the pipe axis of which extends transversely to the roof plane.
7. Ventilation device according to any of the preceding claims, characterised by a hopper connector (23) connected to the insulating sleeve (19).
8. Ventilation device according to claim 7, characterised in that the hopper connector (23) has a connecting pipe portion (24) that extends transversely to the pipe axis of the insulating sleeve (19).
9. Ventilation device according to any of the preceding claims, characterised in that, in any inclination position of the hood (3) and/or of the upper pipe portion (4) relative to the dome (2), the connecting edge (17, 17') is located at least in regions in the cavity covered by the dome (2), which cavity is delimited to the inside of the roof by the determining plane of the roof covering (1) facing the inside of the roof.

Images