EP0672866A2 - Adapter for connecting two ducts of different cross-sections - Google Patents
Adapter for connecting two ducts of different cross-sections Download PDFInfo
- Publication number
- EP0672866A2 EP0672866A2 EP95103816A EP95103816A EP0672866A2 EP 0672866 A2 EP0672866 A2 EP 0672866A2 EP 95103816 A EP95103816 A EP 95103816A EP 95103816 A EP95103816 A EP 95103816A EP 0672866 A2 EP0672866 A2 EP 0672866A2
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- EP
- European Patent Office
- Prior art keywords
- support body
- adapter
- adapter according
- seal
- wall
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J13/00—Fittings for chimneys or flues
- F23J13/04—Joints; Connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2213/00—Chimneys or flues
- F23J2213/20—Joints; Connections
- F23J2213/202—Joints; Connections between duct or stack sections
Definitions
- the invention relates to an adapter for connecting two lines with different cross-sections, which can be inserted into the line with the larger cross-section, and an opening for inserting the line with the smaller cross-section, an inner seal that can be placed on the outer wall of this line and an inner wall the line with the larger cross-section can be fitted with an outer seal.
- an adapter made of sheet steel for the gas-tight connection of an exhaust pipe to the flue pipe connection of a chimney.
- a chimney pipe with a T-shaped branch for connecting the exhaust pipe is referred to as a flue pipe connection.
- the exhaust pipe usually has a smaller cross section than the flue pipe connection.
- the adapter has a round flue pipe socket, which is pushed onto the flue pipe connection during assembly and connected to it in a gastight manner by means of a silicone sealing compound.
- At the other end of the adapter there is a round exhaust pipe that can be inserted into the exhaust pipe.
- a funnel-shaped transition piece is arranged between the flue pipe socket and the exhaust pipe socket.
- the adapter has a plug-shaped sealing body which can be inserted into the drain pipe with the larger diameter and on the outer lateral surface of which sealing lips are arranged which bear against the inner wall of the drain pipe with the larger nominal diameter.
- the sealing body has an inner cylindrical opening for receiving the drain pipe with the smaller nominal width. Sealing lips are provided on the inner circumferential surface of the opening and lie against the outer wall of the inserted drain pipe. In the bottom area of the plug-shaped sealing body, a through opening is provided for the waste water flowing through the adapter.
- a sealing lip can only compensate for very small differences in diameter.
- the adapter known for drain pipes is therefore not universally suitable for connecting pipes with different diameters, so that a special adapter is required for each combination of nominal sizes of the drain pipes to be connected.
- Gas-tight connections are required by law in chimney technology.
- a gas-tight connection between the inner wall of the chimney pipe and the outer lateral surface of the sealing body cannot be achieved, because the pipes made of fireclay used in chimney construction have very large diameter tolerances compared to drain pipes.
- a gas-tight connection of lines with a rough surface cannot take place with the known adapter, because a sealing lip only touches the adjacent surface in a linear manner.
- the object of the present invention is to provide an adapter for the gas-tight connection of two lines with different cross-sections, which compensates for tolerances of ⁇ 2% of the cross-section of the flue pipe connection, which enables the connection of an exhaust pipe with a cross-sectional area in the range of approximately 28 cm2 to 65 cm2 , the one Compensates for angular misalignment between the flue pipe connection and the flue gas pipe, which is easy to manufacture and install.
- the adapter for connecting an exhaust pipe to the flue pipe connection of a chimney has a disc-shaped, dimensionally stable support body made of temperature-resistant material with a passage opening for the exhaust pipe, that the seals consist of elastic temperature-resistant material, that the inner seal in the Passage opening of the support body arranged smaller through-hole and cuff-like on the outer wall of the exhaust pipe in the area of an inner sealing surface can be elastically resilient and that the outer seal projects beyond the outer contour of the support body and can be resiliently resiliently applied to the inner wall of the flue pipe connection in the area of an outer sealing surface.
- the adapter is inserted into the flue pipe connection during assembly, so that the disk-shaped support body penetrates the mouth of the flue pipe connection and closes it. Since the outer contour of the support body is smaller than the inner contour of the flue pipe connection and the outer contour of the outer seal is larger than the inner contour of the flue pipe connection, the outer edge portion of the elastic outer seal is bent approximately at right angles and pressed with great force against the inner wall of the flue pipe connection by the rigid support body . When inserted, the outer edge section lies against the inner wall of the flue pipe connection in the area of an approximately 5 mm wide outer sealing surface. The large outer sealing surface thus formed causes a gas-tight connection despite a surface roughness of the fireclay connection of more than about 0.1 mm.
- the outer seal against the rough inner wall also acts as a centering expansion body and fixes the adapter in the flue pipe connection. An additional attachment is not required.
- the outer contour of the outer seal is at least about 10% larger than the outer contour of the support body. Therefore, the outer seal can easily compensate for a dimensional tolerance of ⁇ 2% of the flue pipe connection and is also gas-tight on an oval flue pipe connection.
- the exhaust pipe is inserted into the passage opening of the support body of the adapter inserted into the flue pipe connection and passes through it as well as the passage opening of the inner seal.
- the through opening has a smaller cross-sectional area than the smallest exhaust pipe to be connected. Therefore, the inner seal deforms like a cuff and rests resiliently against the outer wall of the exhaust pipe in the direction of insertion.
- the inner edge portion of the inner seal which projects beyond the gap between the passage opening and the outer wall of the exhaust gas line, forms an inner sealing surface which is at least 5 mm wide and which produces a gas-tight connection.
- the high elasticity of the inner seal makes it possible, for example, to insert an exhaust pipe with a diameter in the range of approximately 60 mm to 90 mm and to compensate for temperature-related changes in length of the exhaust pipe.
- a particular advantage of the adapter is that the exhaust pipe is pivoted despite the gas-tight connection, so that an angular offset of up to 15 ° between the flue pipe connection and the exhaust pipe is compensated for.
- the adapter is quick and easy to install, because it is only inserted into the flue pipe connection and then the exhaust pipe is inserted.
- the use of adhesives or sealants is not necessary.
- Silicon rubber or a flourelastomer such as copolymers based on polyvinylidene fluoride is particularly suitable as the permanently elastic, temperature-resistant material for the seals projecting like flaps. These materials are corrosion-resistant to flue gas from furnaces and condensate.
- a particularly well-sealing labyrinth in the area of a sealing surface is achieved if at least the outer seal is provided with grooves running parallel to the edge of the support body. As a result, a particularly high contact pressure is achieved in the area of the outer sealing surface on the rough chamotte surface.
- the insertion limit can be designed as a Z-shaped sheet metal bracket, as a wire bracket or the like. It is also possible to design the insertion limit as a bead protruding towards the front of the adapter on the edge of the through opening of the inner seal. When the exhaust pipe is inserted, the inner seal deforms like a cuff, so that the bead lies against the mouth of the exhaust pipe.
- a gas-tight connection between the inner sealing surface and the outer sealing surface can be achieved with simple means if the adapter is provided with a sealing washer which connects the seals in one piece.
- the support body can only be designed as a ring pressing the outer seal, and there is also the possibility of making the sealing washer so thick that it simultaneously forms the support body.
- the adapter can be produced particularly easily and with smooth surfaces if the support body is designed as a reinforcement of the sealing washer.
- the adapter can be manufactured, for example, by injection molding.
- the support body to be embedded in the sealing washer optionally provided with a plug-in limitation, can be inserted into the mold and overmolded.
- the support body is advantageously provided with openings, for example in the form of a lattice or as a perforated plate, so that both side walls of the sealing washer are also connected directly to one another in the area of the support body.
- the adapter can be made particularly stable if a cover disk is arranged on the surface of the sealing disk facing the chimney. In this case, the adapter can be sandwiched.
- Stainless steel is recommended as the temperature and shape-retaining material for the support body and / or the cover plate.
- the assembly of the adapter is simplified if the insertion into the flue pipe connection is limited by a stop which rests on the end face of this line.
- the stop is advantageously arranged on the front of the support body and spaced from the outer seal, so that the stop only becomes effective when the outer edge section of the outer seal bears against the inner wall of the smoke tube connection.
- a particularly simple design of the stop is possible if it is designed in the form of three approximately Z-shaped angles extending from the support body. These are advantageously distributed at equal intervals over the circumference, with a round support body in positions offset by a central angle of 120 °. This has the particular advantage that the outer sealing surface is visible at any statutory inspection without dismantling components.
- Fig. 1 shows a round adapter (10) according to the invention in longitudinal section, Fig. 2 in plan view.
- the adapter (10) is inserted into a flue pipe connection (12) made of chamotte with a diameter of 220 mm of a chimney (14).
- the adapter (10) has a disk-shaped support body (16) made of stainless steel sheet with an outer diameter of 200 mm and a thickness of 1 mm.
- the stop (20) is spaced about 10 mm from the front (18) of the support body (16) and rests on the end face of the smoke pipe connection (12), so that the support body (16) is inserted into the mouth of the smoke pipe connection (12) .
- the support body (16) has an eccentrically arranged passage opening (28) with a diameter of 110 mm.
- An inner protrudes annularly into this passage opening (28)
- Seal (30) made of silicone rubber of 3 mm thickness with a through opening (32) having a diameter of 50 mm in the delivery state, which is arranged coaxially to the through opening (28) of the support body (16).
- An exhaust pipe (34) made of stainless steel with an outer diameter of 70 mm is inserted into the passage opening (28).
- the inner seal (30) rests in a cuff-like manner on the outer wall of the exhaust gas line (34) in the region of a cylindrical inner sealing surface (36).
- the inner seal (30) and the outer seal (22) are connected to each other with a sealing washer (38) corresponding to the contour of the support body (16), the inner seal (30), outer seal (22) and sealing washer (38) are made in one piece 3 mm thick silicone rubber listed and glued to the support body (16).
- a cover disk (40) made of 1 mm thick stainless steel sheet is glued to the surface of the sealing disk (38) facing away from the support body (16) and has the same contour as the support body (16).
- Pointing towards the chimney (14) on the cover plate (40) is a plug-in limitation (44), which is designed as a sheet metal bracket and projects into the mouth (42) of the exhaust pipe (34).
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chimneys And Flues (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Duct Arrangements (AREA)
- Gasket Seals (AREA)
Abstract
Description
Die Erfindung betrifft einen Adapter zum Verbinden zweier Leitungen mit unterschiedlichen Querschnitten, der in die Leitung mit dem größeren Querschnitt einschiebbar ist, und eine Öffnung zum Einstecken der Leitung mit dem geringeren Querschnitt, eine an die Außenwandung dieser Leitung anlegbare innere Dichtung sowie eine an die Innenwandung der Leitung mit dem größeren Querschnitt anlegbare äußere Dichtung aufweist.The invention relates to an adapter for connecting two lines with different cross-sections, which can be inserted into the line with the larger cross-section, and an opening for inserting the line with the smaller cross-section, an inner seal that can be placed on the outer wall of this line and an inner wall the line with the larger cross-section can be fitted with an outer seal.
Aus dem Firmenkatalog "Schiedel Schornsteintechnik 1991" ist ein aus Stahlblech gefertigter Adapter zum gasdichten Verbinden einer Abgasleitung mit dem Rauchrohranschluß eines Schornsteines bekannt. Als Rauchrohranschluß wird ein Schornsteinrohr mit einer T-förmigen Abzweigung zum Anschluß der Abgasleitung bezeichnet. Die Abgasleitung hat üblicherweise einen geringeren Querschnitt als der Rauchrohranschluß. Der Adapter weist einen runden Rauchrohrstutzen auf, der bei der Montage auf den Rauchrohranschluß aufgeschoben und mit diesem mittels einer Silikon-Dichtmasse gasdicht verbunden wird. Am anderen Ende des Adapters ist ein in die Abgasleitung einschiebbarer runder Abgasstutzen vorgesehen. Zwischen dem Rauchrohrstutzen und dem Abgasstutzen ist ein trichterförmiges Übergangsstück angeordnet.From the company catalog "Schiedel Chimney Technology 1991" an adapter made of sheet steel is known for the gas-tight connection of an exhaust pipe to the flue pipe connection of a chimney. A chimney pipe with a T-shaped branch for connecting the exhaust pipe is referred to as a flue pipe connection. The exhaust pipe usually has a smaller cross section than the flue pipe connection. The adapter has a round flue pipe socket, which is pushed onto the flue pipe connection during assembly and connected to it in a gastight manner by means of a silicone sealing compound. At the other end of the adapter there is a round exhaust pipe that can be inserted into the exhaust pipe. A funnel-shaped transition piece is arranged between the flue pipe socket and the exhaust pipe socket.
Da die Durchmesser der Rauchrohranschlüsse und der Abgasleitungen variieren, ist eine Vielzahl unterschiedlicher Adapter erforderlich. Infolge der starren Konstruktion und der engen Anpassung dieser Adapter ist der Ausgleich eines Winkelversatzes zwischen Abgasleitung und Rauchrohranschluß nicht möglich.Since the diameter of the flue pipe connections and the flue pipes vary, a large number of different adapters are required. Due to the rigid construction and the tight adaptation of these adapters, it is not possible to compensate for an angular misalignment between the exhaust pipe and the flue pipe connection.
Aus der DE-OS 26 30 946 ist ein einteiliger Adapter zum Verbinden zweier Abflußrohre mit unterschiedlichen Nennweiten bekannt. Der Adapter weist einen in das Abflußrohr mit dem größerem Durchmesser einsetzbaren stopfenförmigen Dichtungskörper auf, an dessen äußerer Mantelfläche Dichtlippen angeordnet sind, die sich an die Innenwandung des Abflußrohres mit der größeren Nennweite anlegen. Der Dichtungskörper weist eine innere zylindrische Öffnung zur Aufnahme des Abflußrohres mit der geringeren Nennweite auf. An der inneren Mantelfläche der Öffnung sind Dichtlippen vorgesehen, die sich an die Außenwandung des eingesteckten Abflußrohres anlegen. Im Bodenbereich des stopfenförmigen Dichtkörpers ist eine Durchgangsöffnung für das den Adapter durchströmende Abwasser vorgesehen.From DE-OS 26 30 946 is a one-piece adapter for connecting two drain pipes with different nominal sizes known. The adapter has a plug-shaped sealing body which can be inserted into the drain pipe with the larger diameter and on the outer lateral surface of which sealing lips are arranged which bear against the inner wall of the drain pipe with the larger nominal diameter. The sealing body has an inner cylindrical opening for receiving the drain pipe with the smaller nominal width. Sealing lips are provided on the inner circumferential surface of the opening and lie against the outer wall of the inserted drain pipe. In the bottom area of the plug-shaped sealing body, a through opening is provided for the waste water flowing through the adapter.
Eine Dichtlippe kann nur sehr geringe Durchmesserunterschiede ausgleichen. Der für Abflußrohre bekannte Adapter ist daher nicht universell zur Verbindung von Rohren mit unterschiedlichen Duchmessern geeignet, so daß für jede Kombination von Nennweiten der zu verbindenden Abflußrohre ein spezieller Adapter benötigt wird.A sealing lip can only compensate for very small differences in diameter. The adapter known for drain pipes is therefore not universally suitable for connecting pipes with different diameters, so that a special adapter is required for each combination of nominal sizes of the drain pipes to be connected.
In der Schornsteintechnik sind gasdichte Verbindungen gesetzlich vorgeschrieben. Beim Einsatz eines derartigen Adapters ist eine gasdichte Verbindung zwischen der Innenwandung des Schornsteinrohres und der äußeren Mantelfläche des Dichtungskörpers nicht zu erzielen, weil die im Schornsteinbau verwendeten Rohre aus Schamotte im Vergleich zu Abflußrohren sehr große Durchmessertoleranzen aufweisen. Weiterhin kann eine gasdichte Verbindung von Leitungen mit rauher Oberfläche mit dem bekannten Adapter nicht erfolgen, weil eine Dichtlippe die benachbarte Fläche nur linienförmig berührt.Gas-tight connections are required by law in chimney technology. When using such an adapter, a gas-tight connection between the inner wall of the chimney pipe and the outer lateral surface of the sealing body cannot be achieved, because the pipes made of fireclay used in chimney construction have very large diameter tolerances compared to drain pipes. Furthermore, a gas-tight connection of lines with a rough surface cannot take place with the known adapter, because a sealing lip only touches the adjacent surface in a linear manner.
Aufgabe der vorliegenden Erfindung ist es, einen Adapter zum gasdichten Verbinden zweier Leitungen mit unterschiedlichen Querschnitten zu schaffen, der Toleranzen von ±2% des Querschnittes des Rauchrohranschlusses ausgleicht, der den Anschluß einer Abgasleitung mit einer Querschnittsfläche im Bereich von etwa 28 cm² bis 65 cm² ermöglicht, der einen Winkelversatz zwischen Rauchrohranschluß und Abgasleitung ausgleicht und der einfach herstellbar und montierbar ist.The object of the present invention is to provide an adapter for the gas-tight connection of two lines with different cross-sections, which compensates for tolerances of ± 2% of the cross-section of the flue pipe connection, which enables the connection of an exhaust pipe with a cross-sectional area in the range of approximately 28 cm² to 65 cm² , the one Compensates for angular misalignment between the flue pipe connection and the flue gas pipe, which is easy to manufacture and install.
Erfindungsgemäß wird die Aufgabe dadurch gelöst, daß der Adapter zum Verbinden einer Abgasleitung mit dem Rauchrohranschluß eines Schornsteins einen scheibenförmigen formbeständigen Stützkörper aus temperaturbeständigem Material mit einer Durchtrittsöffnung für die Abgasleitung aufweist, daß die Dichtungen aus elastischem temperaturbeständigem Material bestehen, daß die innere Dichtung eine in der Durchtrittsöffnung des Stützkörpers angeordnete kleinere Durchgangsöffnung aufweist und manschettenartig an der Außenwandung der Abgasleitung im Bereich einer Innendichtungsfläche elastisch federnd anlegbar ist und daß die äußere Dichtung die Außenkontur des Stützkörpers überragt und an der Innenwandung des Rauchrohranschlusses im Bereich einer Außendichtungsfläche elastisch federnd anlegbar ist.According to the invention the object is achieved in that the adapter for connecting an exhaust pipe to the flue pipe connection of a chimney has a disc-shaped, dimensionally stable support body made of temperature-resistant material with a passage opening for the exhaust pipe, that the seals consist of elastic temperature-resistant material, that the inner seal in the Passage opening of the support body arranged smaller through-hole and cuff-like on the outer wall of the exhaust pipe in the area of an inner sealing surface can be elastically resilient and that the outer seal projects beyond the outer contour of the support body and can be resiliently resiliently applied to the inner wall of the flue pipe connection in the area of an outer sealing surface.
Der Adapter wird bei der Montage in den Rauchrohranschluß eingeschoben, so daß der scheibenförmige Stützkörper die Mündung des Rauchrohranschlusses eindringt und diese verschließt. Da die Außenkontur des Stützkörpers kleiner als die Innenkontur des Rauchrohranschlusses und die Außenkontur der äußeren Dichtung größer als die Innenkontur des Rauchrohranschlusses ist, wird der äußere Randabschnitt der elastischen äußeren Dichtung etwa rechtwinklig abgebogen und von dem steifen Stützkörper mit großer Kraft an die Innenwandung des Rauchrohranschlusses gepreßt. Der äußere Randabschnitt legt sich beim Einschieben fliehend zur Bewegungsrichtung im Bereich einer etwa 5 mm breiten Außendichtungsfläche an die Innenwandung des Rauchrohranschlusses an. Die dadurch gebildete große Außendichtungsfläche bewirkt trotz einer Oberflächenrauhigkeit des aus Schamotte bestehenden Rauchrohranschlusses von mehr als etwa 0,1 mm eine gasdichte Verbindung. Die an der rauhen Innenwandung anliegende äußere Dichtung wirkt gleichzeitig als zentrierender Spreizkörper und fixiert den Adapter im Rauchrohranschluß. Eine zusätzliche Befestigung ist nicht erforderlich. Die Außenkontur der äußeren Dichtung ist wenigstens etwa 10% größer als die Außenkontur des Stützkörpers. Daher kann die äußere Dichtung ohne weiteres eine Maßtoleranz von ±2% des Rauchrohranschlusses ausgleichen und liegt auch an einem ovalen Rauchrohranschluß gasdicht an.The adapter is inserted into the flue pipe connection during assembly, so that the disk-shaped support body penetrates the mouth of the flue pipe connection and closes it. Since the outer contour of the support body is smaller than the inner contour of the flue pipe connection and the outer contour of the outer seal is larger than the inner contour of the flue pipe connection, the outer edge portion of the elastic outer seal is bent approximately at right angles and pressed with great force against the inner wall of the flue pipe connection by the rigid support body . When inserted, the outer edge section lies against the inner wall of the flue pipe connection in the area of an approximately 5 mm wide outer sealing surface. The large outer sealing surface thus formed causes a gas-tight connection despite a surface roughness of the fireclay connection of more than about 0.1 mm. The outer seal against the rough inner wall also acts as a centering expansion body and fixes the adapter in the flue pipe connection. An additional attachment is not required. The outer contour of the outer seal is at least about 10% larger than the outer contour of the support body. Therefore, the outer seal can easily compensate for a dimensional tolerance of ± 2% of the flue pipe connection and is also gas-tight on an oval flue pipe connection.
Die Abgasleitung wird in die Durchtrittsöffnung des Stützkörpers des in den Rauchrohranschluß eingeschobenen Adapters eingesteckt und durchsetzt diese sowie die Durchgangsöffnung der inneren Dichtung. Im Anlieferungszustand weist die Durchgangsöffnung eine geringere Querschnittsfläche als die kleinste anzuschließende Abgasleitung auf. Daher verformt sich die innere Dichtung manschettenartig und legt sich in Einsteckrichtung an die Außenwandung der Abgasleitung elastisch federnd an. Der den Zwischenraum zwischen Durchtrittsöffnung und Außenwandung der Abgasleitung überragende innere Randabschnitt der inneren Dichtung bildet je nach Querschnitt der Abgasleitung eine wenigstens 5 mm breite Innendichtungsfläche, die eine gasdichte Verbindung bewirkt. Beim Einstecken der Abgasleitung in die Durchgangsöffnung entsteht in der inneren Dichtung eine radiale Spannung, wodurch die innere Dichtung im Bereich der Innendichtungsfläche mit einer großen Kraft an die Außenwandung der Abgasleitung angepresst wird. Die hohe Elastizität der inneren Dichtung ermöglicht beispielsweise das Einstecken einer Abgasleitung mit einem Durchmesser im Bereich von etwa 60 mm bis 90 mm sowie den Ausgleich von temperaturbedingten Längenänderungen der Abgasleitung.The exhaust pipe is inserted into the passage opening of the support body of the adapter inserted into the flue pipe connection and passes through it as well as the passage opening of the inner seal. In the delivery state, the through opening has a smaller cross-sectional area than the smallest exhaust pipe to be connected. Therefore, the inner seal deforms like a cuff and rests resiliently against the outer wall of the exhaust pipe in the direction of insertion. Depending on the cross section of the exhaust gas line, the inner edge portion of the inner seal, which projects beyond the gap between the passage opening and the outer wall of the exhaust gas line, forms an inner sealing surface which is at least 5 mm wide and which produces a gas-tight connection. When the exhaust pipe is inserted into the through opening, radial tension is created in the inner seal, as a result of which the inner seal is pressed against the outer wall of the exhaust pipe with a large force in the area of the inner seal surface. The high elasticity of the inner seal makes it possible, for example, to insert an exhaust pipe with a diameter in the range of approximately 60 mm to 90 mm and to compensate for temperature-related changes in length of the exhaust pipe.
Ein besonderer Vorteil des Adapters besteht darin, daß die Abgasleitung trotz der gasdichten Verbindung schwenkbar gelagert ist, so daß ein Winkelversatz von bis zu 15° zwischen dem Rauchrohranschluß und der Abgasleitung ausgeglichen wird.A particular advantage of the adapter is that the exhaust pipe is pivoted despite the gas-tight connection, so that an angular offset of up to 15 ° between the flue pipe connection and the exhaust pipe is compensated for.
Der Adapter ist schnell und einfach montierbar, weil er lediglich in den Rauchrohranschluß eingeschoben und anschließend die Abgasleitung eingesteckt wird. Die Verwendung von Klebe- bzw. Dichtmitteln ist nicht erforderlich.The adapter is quick and easy to install, because it is only inserted into the flue pipe connection and then the exhaust pipe is inserted. The use of adhesives or sealants is not necessary.
Als dauerelastisches temperaturbeständiges Material für die den Stützkörper lappenartig überragenden Dichtungen ist Silikongummi oder ein Flourelastomer wie Copolymere auf Polyvinylidenfluorid-Basis besonders geeignet. Diese Werkstoffe sind korrosionsbeständig gegen Abgas von Feuerungsstätten sowie gegen Kondensat.Silicon rubber or a flourelastomer such as copolymers based on polyvinylidene fluoride is particularly suitable as the permanently elastic, temperature-resistant material for the seals projecting like flaps. These materials are corrosion-resistant to flue gas from furnaces and condensate.
Ein besonders gut abdichtendes Labyrinth im Bereich einer Dichtungsfläche wird erreicht, wenn zumindest die äußere Dichtung mit parallel zum Rand des Stützkörpers verlaufenden Rillen versehen ist. Dadurch wird im Bereich der Außendichtungsfläche auf der rauhen Schamotte-Oberfläche ein besonders hoher Anpreßdruck erreicht.A particularly well-sealing labyrinth in the area of a sealing surface is achieved if at least the outer seal is provided with grooves running parallel to the edge of the support body. As a result, a particularly high contact pressure is achieved in the area of the outer sealing surface on the rough chamotte surface.
Ein zu tiefes Einstecken der Abgasleitung kann verhindert werden, wenn auf der dem Schornstein zugewandten Seite des Adapters eine Einsteckbegrenzung vorgesehen ist. Dadurch wird ein Einstecken bis in den freien Querschnitt des Schornsteins verhindert. Die Einsteckbegrenzung kann als Z-förmiger Blechwinkel, als Drahtbügel oder dergleichen ausgebildet sein. Es ist auch möglich, die Einsteckbegrenzung als zur Vorderseite des Adapters vorstehenden Wulst am Rand der Durchgangsöffnung der inneren Dichtung auszubilden. Beim Einstecken der Abgasleitung verformt sich die innere Dichtung manschettenartig, so daß sich der Wulst an die Mündung der Abgasleitung anlegt.Excessive insertion of the flue gas pipe can be prevented if a plug-in limitation is provided on the side of the adapter facing the chimney. This prevents insertion into the free cross-section of the chimney. The insertion limit can be designed as a Z-shaped sheet metal bracket, as a wire bracket or the like. It is also possible to design the insertion limit as a bead protruding towards the front of the adapter on the edge of the through opening of the inner seal. When the exhaust pipe is inserted, the inner seal deforms like a cuff, so that the bead lies against the mouth of the exhaust pipe.
Eine gasdichte Verbindung zwischen Innendichtungsfläche und Außendichtungsfläche kann mit einfachen Mitteln erreicht werden, wenn der Adapter mit einer die Dichtungen einstückig miteinander verbindenden Dichtungsscheibe versehen ist. In diesem Fall kann der Stützkörper lediglich als die äußere Dichtung anpressender Ring ausgeführt sein, auch besteht die Möglichkeit, die Dichtungsscheibe so dick auszuführen, daß sie gleichzeitig den Stützkörper bildet.A gas-tight connection between the inner sealing surface and the outer sealing surface can be achieved with simple means if the adapter is provided with a sealing washer which connects the seals in one piece. In this case, the support body can only be designed as a ring pressing the outer seal, and there is also the possibility of making the sealing washer so thick that it simultaneously forms the support body.
Der Adapter kann besonders einfach und mit glatten Oberflächen hergestellt werden, wenn der Stützkörper als Armierung der Dichtungsscheibe ausgebildet ist. In diesem Fall kann der Adapter beispielsweise im Spritzgußverfahren hergestellt werden. Der in die Dichtungsscheibe einzubettende gegebenenfalls mit Einsteckbegrenzung versehene Stützkörper kann in die Form eingelegt und umspritzt werden. Vorteilhafterweise ist der Stützkörper mit Durchbrüchen versehen, beispielsweise gitterartig oder als Lochblech ausgebildet, so daß beide Seitenwände der Dichtungsscheibe auch im Flächenbereich des Stützkörpers unmittelbar miteinander verbunden sind.The adapter can be produced particularly easily and with smooth surfaces if the support body is designed as a reinforcement of the sealing washer. In this case, the adapter can be manufactured, for example, by injection molding. The support body to be embedded in the sealing washer, optionally provided with a plug-in limitation, can be inserted into the mold and overmolded. The support body is advantageously provided with openings, for example in the form of a lattice or as a perforated plate, so that both side walls of the sealing washer are also connected directly to one another in the area of the support body.
Der Adapter kann besonders stabil ausgeführt werden, wenn auf der dem Schornstein zugewandten Oberfläche der Dichtungsscheibe eine Abdeckscheibe angeordnet ist. In diesem Fall kann der Adapter sandwichartig ausgeführt sein.The adapter can be made particularly stable if a cover disk is arranged on the surface of the sealing disk facing the chimney. In this case, the adapter can be sandwiched.
Als temperatur- und formbeständiges Material für den Stützkörper und/oder die Abdeckscheibe wird Edelstahl empfohlen.Stainless steel is recommended as the temperature and shape-retaining material for the support body and / or the cover plate.
Die Montage des Adapters wird vereinfacht, wenn das Einschieben in den Rauchrohranschluß durch einen Anschlag begrenzt ist, der auf der Stirnfläche dieser Leitung anliegt. Vorteilhafterweise ist der Anschlag auf der Vorderseite des Stützkörpers angeordnet und von der äußeren Dichtung beabstandet, so daß der Anschlag erst wirksam wird, wenn der äußere Randabschnitt der äußeren Dichtung an der Innenwandung des Rauchrohranschlusses anliegt. Eine besonders einfache Ausführung des Anschlags ist möglich, wenn dieser in Form von drei vom Stützkörper ausgehenden etwa Z-förmigen Winkeln ausgeführt ist. Diese sind vorteilhafterweise in gleichen Abständen über den Umfang verteilt angeordnet, bei einem runden Stützkörper in um einen Zentriwinkel von 120° versetzten Positionen. Dies hat den besonderen Vorteil, daß die Außendichtungsfläche bei jeder gesetzlich vorgeschriebenen Revision ohne Demontage von Bauteilen sichtbar ist.The assembly of the adapter is simplified if the insertion into the flue pipe connection is limited by a stop which rests on the end face of this line. The stop is advantageously arranged on the front of the support body and spaced from the outer seal, so that the stop only becomes effective when the outer edge section of the outer seal bears against the inner wall of the smoke tube connection. A particularly simple design of the stop is possible if it is designed in the form of three approximately Z-shaped angles extending from the support body. These are advantageously distributed at equal intervals over the circumference, with a round support body in positions offset by a central angle of 120 °. This has the particular advantage that the outer sealing surface is visible at any statutory inspection without dismantling components.
In der Zeichnung ist ein bevorzugtes Ausführungsbeispiel der Erfindung dargestellt, das im folgenden näher erläutert wird.In the drawing, a preferred embodiment of the invention is shown, which is explained in more detail below.
Es zeigt
- Fig. 1
- einen in einen Rauchrohranschluß eingesetzten erfindungsgemäßen Adapter im Längsschnitt und
- Fig. 2
- den Adapter aus Fig. 1 in der Draufsicht.
- Fig. 1
- an adapter according to the invention used in a flue pipe connection in longitudinal section and
- Fig. 2
- 1 in top view.
Fig. 1 zeigt einen runden erfindungsgemäßen Adapter (10) im Längsschnitt, Fig. 2 in der Draufsicht. Der Adapter (10) ist in einen Rauchrohranschluß (12) aus Schamotte mit einem Durchmesser von 220 mm eines Schornsteins (14) eingesetzt. Der Adapter (10) weist einen scheibenförmigen Stützkörper (16) aus Edelstahlblech mit einem Außendurchmesser von 200 mm und einer Dicke von 1 mm auf. An der dem Schornstein (14) abgewandten Vorderseite (18) des Stützkörpers (16) ist ein aus drei symmetrisch am äußeren Umfang in um einen Zentriwinkel von 120° versetzten Positionen angeordneten Z-förmigen Haltewinkeln gebildeter Anschlag (20) vorgesehen. Der Anschlag (20) ist etwa 10 mm beabstandet zur Vorderseite (18) des Stützkörpers (16) angeordnet und liegt an der Stirnfläche des Rauchrohranschlusses (12) an, so daß der Stützkörper (16) in die Mündung des Rauchrohranschlusses (12) eingeschoben ist.Fig. 1 shows a round adapter (10) according to the invention in longitudinal section, Fig. 2 in plan view. The adapter (10) is inserted into a flue pipe connection (12) made of chamotte with a diameter of 220 mm of a chimney (14). The adapter (10) has a disk-shaped support body (16) made of stainless steel sheet with an outer diameter of 200 mm and a thickness of 1 mm. On the front (18) of the support body (16) facing away from the chimney (14) there is a stop (20) formed from three Z-shaped brackets arranged symmetrically on the outer circumference in positions offset by a central angle of 120 °. The stop (20) is spaced about 10 mm from the front (18) of the support body (16) and rests on the end face of the smoke pipe connection (12), so that the support body (16) is inserted into the mouth of the smoke pipe connection (12) .
Eine die Außenkontur des Stützkörpers (16) im Anlieferungszustand ringförmig um 10 mm überragende äußere Dichtung (22) aus Silikongummi von 3 mm Dicke liegt elastisch federnd an der Innenwandung (24) des Rauchrohranschlusses (12) im Bereich einer etwa 5 mm breiten zylinderförmigen Außendichtungsfläche (26) gasdicht an.An outer seal (22) made of silicone rubber with a thickness of 3 mm and protruding annularly by 10 mm from the outer contour of the support body (16) in the delivery state rests resiliently on the inner wall (24) of the smoke pipe connection (12) in the area of an approximately 5 mm wide cylindrical outer sealing surface ( 26) gas-tight.
Der Stützkörper (16) weist eine außermittig angeordnete Durchtrittsöffnung (28) mit einem Durchmesser von 110 mm auf. In diese Durchtrittsöffnung (28) ragt ringförmig eine innere Dichtung (30) aus Silikongummi von 3 mm Dicke mit einer im Anlieferungszustand einen Durchmesser von 50 mm aufweisenden Durchgangsöffnung (32) auf, die koaxial zur Durchtrittsöffnung (28) des Stützkörpers (16) angeordnet ist. In die Durchtrittsöffnung (28) ist eine Abgasleitung (34) aus Edelstahl mit einem Außendurchmesser von 70 mm eingesteckt. Die innere Dichtung (30) liegt manschettenartig an der Außenwandung der Abgasleitung (34) im Bereich einer zylinderförmigen Innendichtungsfläche (36) elastisch federnd an.The support body (16) has an eccentrically arranged passage opening (28) with a diameter of 110 mm. An inner protrudes annularly into this passage opening (28) Seal (30) made of silicone rubber of 3 mm thickness with a through opening (32) having a diameter of 50 mm in the delivery state, which is arranged coaxially to the through opening (28) of the support body (16). An exhaust pipe (34) made of stainless steel with an outer diameter of 70 mm is inserted into the passage opening (28). The inner seal (30) rests in a cuff-like manner on the outer wall of the exhaust gas line (34) in the region of a cylindrical inner sealing surface (36).
Die innere Dichtung (30) und die äußere Dichtung (22) sind mit einer der Kontur des Stützkörpers (16) entsprechenden Dichtungsscheibe (38) miteinander verbunden, innere Dichtung (30), äußere Dichtung (22) und Dichtungsscheibe (38) sind einstückig aus 3 mm dickem Silikongummi aufgeführt und mit dem Stützkörper (16) verklebt. Auf die vom Stützkörper (16) abgewandte Oberfläche der Dichtungsscheibe (38) ist eine Abdeckscheibe (40) aus 1 mm dickem Edelstahlblech aufgeklebt, welche dieselbe Kontur wie der Stützkörper (16) aufweist. Zum Schornstein (14) weisend ist an der Abdeckscheibe (40) eine als Blechwinkel ausgeführte in die Mündung (42) der Abgasleitung (34) hineinragende Einsteckbegrenzung (44) befestigt.The inner seal (30) and the outer seal (22) are connected to each other with a sealing washer (38) corresponding to the contour of the support body (16), the inner seal (30), outer seal (22) and sealing washer (38) are made in one
Claims (9)
dadurch gekennzeichnet,
daß der Adapter zum Verbinden einer Abgasleitung (34) mit dem Rauchrohranschluß (12) eines Schornsteins (14) einen scheibenförmigen formbeständigen Stützkörper (16) aus temperaturbeständigem Material mit einer Durchtrittsöffnung (28) für die Abgasleitung (34) aufweist, daß die Dichtungen (22, 30) aus elastischem temperaturbeständigem Material bestehen, daß die innere Dichtung (30) eine in der Durchtrittsöffnung (28) des Stützkörpers (16) angeordnete kleinere Durchgangsöffnung (32) aufweist und manschettenartig an der Außenwandung der Abgasleitung (34) im Bereich einer Innendichtungsfläche (36) elastisch federnd anlegbar ist, daß die äußere Dichtung (22) die Außenkontur des Stützkörpers (16) überragt und an der Innenwandung (24) des Rauchrohranschlusses (12) im Bereich einer Außendichtungsfläche (26) elastisch federnd anlegbar ist.Adapter for connecting two lines with different cross-sections, which can be inserted into the line with the larger cross-section and an opening for inserting the line with the smaller cross-section, an inner seal that can be attached to the outer wall of this line and one on the inner wall of the line with the larger one Has cross section that can be applied,
characterized by
that the adapter for connecting an exhaust pipe (34) to the flue pipe connection (12) of a chimney (14) has a disc-shaped, dimensionally stable support body (16) made of temperature-resistant material with a passage opening (28) for the exhaust pipe (34), that the seals (22 , 30) made of elastic, temperature-resistant material such that the inner seal (30) has a smaller passage opening (32) arranged in the passage opening (28) of the support body (16) and is cuff-like on the outer wall of the exhaust pipe (34) in the area of an inner seal surface ( 36) can be applied in an elastically resilient manner that the outer seal (22) projects beyond the outer contour of the support body (16) and can be applied in an elastically resilient manner on the inner wall (24) of the flue pipe connection (12) in the region of an outer sealing surface (26).
dadurch gekennzeichnet,
daß die Dichtungen (22, 30) aus Silikongummi oder aus einem Flourelastomer bestehen.Adapter according to claim 1,
characterized by
that the seals (22, 30) consist of silicone rubber or of a flour elastomer.
dadurch gekennzeichnet,
daß zumindest die äußere Dichtung (22) mit parallel zum Rand des Stützkörpers (16) verlaufenden Rillen versehen ist.Adapter according to claim 1 or 2,
characterized by
that at least the outer seal (22) is provided with grooves running parallel to the edge of the support body (16).
dadurch gekennzeichnet,
daß auf der dem Schornstein (14) zugewandten Seite des Adapters (10) eine Einsteckbegrenzung (44) vorgesehen ist.Adapter according to one of claims 1 to 3,
characterized by
that an insertion limitation (44) is provided on the side of the adapter (10) facing the chimney (14).
dadurch gekennzeichnet,
daß eine die Dichtungen (22, 30) einstückig miteinander verbindende Dichtungsscheibe (38) vorgesehen ist.Adapter according to one of claims 1 to 4,
characterized by
that a sealing washer (38) is provided which integrally connects the seals (22, 30).
dadurch gekennzeichnet,
daß auf der dem Schornstein (14) zugewandten Oberfläche der Dichtungsscheibe (38) eine Abdeckscheibe (40) angeordnet ist.Adapter according to claim 5,
characterized by
that a cover disk (40) is arranged on the surface of the sealing disk (38) facing the chimney (14).
dadurch gekennzeichnet,
daß der Stützkörper (16) als Armierung der Dichtungsscheibe (38) ausgebildet ist.Adapter according to claim 5 or 6,
characterized by
that the support body (16) is designed as a reinforcement of the sealing washer (38).
dadurch gekennzeichnet,
daß der Stützkörper (16) und/oder die Abdeckscheibe (40) aus Edelstahl besteht.Adapter according to one of claims 1 to 7,
characterized by
that the support body (16) and / or the cover plate (40) consists of stainless steel.
dadurch gekennzeichnet,
daß auf der Vorderseite (18) des Stützkörpers (16) ein von der äußeren Dichtung (22) beabstandeter Anschlag (20) vorgesehen ist.Adapter according to one of claims 1 to 8,
characterized by
that on the front (18) of the support body (16) a stop (20) spaced from the outer seal (22) is provided.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4409134A DE4409134C1 (en) | 1994-03-17 | 1994-03-17 | Adaptor for connecting two conduits with different cross=sections |
| DE4409134 | 1994-03-17 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0672866A2 true EP0672866A2 (en) | 1995-09-20 |
| EP0672866A3 EP0672866A3 (en) | 1996-05-15 |
| EP0672866B1 EP0672866B1 (en) | 1997-10-15 |
Family
ID=6513074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95103816A Expired - Lifetime EP0672866B1 (en) | 1994-03-17 | 1995-03-16 | Adapter for connecting two ducts of different cross-sections |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0672866B1 (en) |
| AT (1) | ATE159334T1 (en) |
| DE (2) | DE4409134C1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008043263A1 (en) * | 2008-10-29 | 2010-05-12 | Schiedel Ag | Fireplace i.e. oven, operating device for domestic area, has exhaust gas line arranged between chimney and fireplace, where exhaust gas line is connected with fireplace such that exhaust gas line is decouplable from fireplace |
| EP2966351A1 (en) | 2014-07-07 | 2016-01-13 | M & G Group B.V. | Adapter for a flue gas outlet |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1034764C2 (en) * | 2007-11-27 | 2009-05-28 | Agpo Bv | Lining for smoke channel of chimney, has anchor fitted near mouth-opening of smoke channel corresponding to end of tube, where anchor is radially expandable outward against tube |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3654965A (en) * | 1967-06-23 | 1972-04-11 | Pneumatiques Caoutchouc Mfg | Closure members for pipe sections |
| DE2630964A1 (en) * | 1976-07-08 | 1978-01-12 | Eternit Ag | Pipe connector with resilient sleeve - has seal elements extending between abutting or overlapping pipes to take up dimensional differences |
| US4293138A (en) * | 1978-09-12 | 1981-10-06 | Pidou B.V. | Sealing device |
| US4440406A (en) * | 1979-05-04 | 1984-04-03 | Ericson Kurt Sture Birger | Devices used for the connection of pipes |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7401763U (en) * | 1974-08-01 | Kaimeier W & Sohn Kg | Transition piece for connecting pipe sections with different diameters |
-
1994
- 1994-03-17 DE DE4409134A patent/DE4409134C1/en not_active Expired - Fee Related
-
1995
- 1995-03-16 AT AT95103816T patent/ATE159334T1/en active
- 1995-03-16 EP EP95103816A patent/EP0672866B1/en not_active Expired - Lifetime
- 1995-03-16 DE DE59500781T patent/DE59500781D1/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3654965A (en) * | 1967-06-23 | 1972-04-11 | Pneumatiques Caoutchouc Mfg | Closure members for pipe sections |
| DE2630964A1 (en) * | 1976-07-08 | 1978-01-12 | Eternit Ag | Pipe connector with resilient sleeve - has seal elements extending between abutting or overlapping pipes to take up dimensional differences |
| US4293138A (en) * | 1978-09-12 | 1981-10-06 | Pidou B.V. | Sealing device |
| US4440406A (en) * | 1979-05-04 | 1984-04-03 | Ericson Kurt Sture Birger | Devices used for the connection of pipes |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008043263A1 (en) * | 2008-10-29 | 2010-05-12 | Schiedel Ag | Fireplace i.e. oven, operating device for domestic area, has exhaust gas line arranged between chimney and fireplace, where exhaust gas line is connected with fireplace such that exhaust gas line is decouplable from fireplace |
| DE102008043263B4 (en) * | 2008-10-29 | 2012-04-12 | Schiedel Ag | Apparatus for operating a fireplace |
| EP2966351A1 (en) | 2014-07-07 | 2016-01-13 | M & G Group B.V. | Adapter for a flue gas outlet |
| US10077902B2 (en) | 2014-07-07 | 2018-09-18 | M & G Group B.V | Adapter for a flue gas outlet |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0672866B1 (en) | 1997-10-15 |
| DE4409134C1 (en) | 1995-05-24 |
| DE59500781D1 (en) | 1997-11-20 |
| EP0672866A3 (en) | 1996-05-15 |
| ATE159334T1 (en) | 1997-11-15 |
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