EP3392481A1 - Housing, especially for an exhaust system of a combustion engine of a vehicle - Google Patents
Housing, especially for an exhaust system of a combustion engine of a vehicle Download PDFInfo
- Publication number
- EP3392481A1 EP3392481A1 EP18166214.9A EP18166214A EP3392481A1 EP 3392481 A1 EP3392481 A1 EP 3392481A1 EP 18166214 A EP18166214 A EP 18166214A EP 3392481 A1 EP3392481 A1 EP 3392481A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing shell
- housing
- region
- longitudinal direction
- falzrandbereich
- Prior art date
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 9
- 239000007769 metal material Substances 0.000 claims description 3
- 238000004826 seaming Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 238000002788 crimping Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
- F01N13/1844—Mechanical joints
- F01N13/185—Mechanical joints the connection being realised by deforming housing, tube, baffle, plate, or parts thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1872—Construction facilitating manufacture, assembly, or disassembly the assembly using stamp-formed parts or otherwise deformed sheet-metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1888—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1888—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells
- F01N13/1894—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells the parts being assembled in longitudinal direction
Definitions
- the present invention relates to a housing, in particular for an exhaust system of an internal combustion engine of a vehicle.
- the housings used in exhaust treatment units of exhaust systems in vehicles are generally constructed of sheet metal material, which is shaped so that in a connection area adjacent housing shell portions of one or different housing shells by forming, for example crimping, and / or by material closure, such as welding, are interconnected ,
- a housing in particular for an exhaust system of an internal combustion engine of a vehicle, comprising at least two housing shell regions interconnected in at least one hinge connection region, wherein each housing shell region provides a seam edge region extending in a seam edge longitudinal direction and a plurality of essentially transverse ones for providing the seam connection region at least one part of the Umfalzabête of each of the housing shell portions engages in a formed between two Umfalzabêten the other housing shell portion gap and the Falzrand Scheme this other Casing shell area overlaps in such a way that the fold edge region of this other housing shell region is held between the fold-over sections which overlap the latter and the seam edge region of the housing shell region having these fold-over sections.
- Extension length of the Umfalzabitese substantially equal to an extension length of each formed between in the fold edge longitudinal direction Umfalzabitesen corresponding gap.
- the fold over portions starting from the seam edge region, be tapered.
- the Umfalzabitese thus have, starting from the respective Falzrand Scheme a decreasing in the Falzrandlfitsraum extension length, so that between two in the fold edge longitudinal direction Umfalzabitesen an insertion be formed for a between these male Umfalzabites a respective other housing shell area.
- a construction that is very easy to implement can be provided by the fact that in all housing shell areas the seam edge area in the seam edge longitudinal direction is substantially flat.
- a respective folded edge region according to the configuration of the housing to be provided for example, substantially rectilinear or curved shape of the housing, according to this curved housing contour, may also be curved, but orthogonal to a spanned by a respective Falzrand Scheme, optionally curved surface has substantially no formations.
- each housing shell region of the seaming area in association with at least one, preferably each formed in the fold edge longitudinal Umfalzabitesen gap in the seam margin between the two the space between forming Umfalzabitesen at its from the seam edge area of the respective other housing shell portion facing away from a Umfalzabitesingeinsenkung.
- an extension length of a respective Umfalzabitesingeinsenkung in the seaming edge longitudinal direction corresponds substantially to an extension length of a Umfalzabitess received therein, and / or that a depression depth of a respective Umfalzabitesingeinsenkung substantially corresponds to a thickness of the Umfalzabitess received therein.
- Such Umfalzabitesnesseinsenkungen can be provided in a particularly simple manner that the Falzrand Scheme one of the housing shell portions is deformed in the direction of the Falzrand Scheme the other housing shell portion.
- the seam edge region can be angled relative to a housing shell body adjoining it.
- each housing shell area be constructed with sheet metal material.
- the housing shell areas can rest against one another with their fold edge areas.
- the invention further relates to an exhaust gas treatment unit for an exhaust system of an internal combustion engine, in particular for a vehicle, comprising a housing constructed according to the invention.
- the Fig. 1 shows two housing shell portions 10, 12 to be joined together of a generally designated 14 housing, for example, an exhaust gas treatment unit, such as catalyst or particulate filter, an exhaust system of an internal combustion engine in a vehicle.
- the two housing shell portions 10, 12 are formed from sheet material and can For example, be areas of a bent into a ring-like configuration housing shell or may be areas of two separately constructed and interconnected housing shells.
- Each of the two housing shell portions 10, 12 has an example curved housing shell body 16, 18, to which a with respect to the respective housing shell body 16, 18 angled and in the example shown in a straight line and flat continuous Falzrand Scheme 20, 22 is provided.
- the extension length of the Umfalzabitese 24, 26 in the Falzrandldicasutter L substantially corresponds to the extension length of each formed between these spaces 28, 30.
- the Umfalzabitese 24, 26, starting from the respective Falzrand Scheme 20, 22 be tapered, so that their extension length in the fold edge longitudinal direction L, starting from the respective fold edge region 20, 22, decreases.
- the Umfalzabchabitese 24 form at the Falzrand Scheme 20 each insertion bevels for the respectively between them to be received Umfalzabête 26 at the Falzrand Scheme 22, and vice versa.
- the Umfalzabitese 24, 26 are folded further so that the Umfalzabitese 24 of the housing shell portion 10 engage over the rebate edge portion 22 of the housing shell portion 12 and thus this fold edge region 22 between the folded edge region 20 of the housing shell portion 10 and provided on this housing shell portion 10 Umfalzabitesen 24 is held or clamped.
- the fold-over sections 26 of the housing shell region 12 overlap the fold edge region 20 of the housing shell region 10 so that it is firmly held or clamped between the fold edge region 22 of the housing shell region 12 and the fold-over sections 26 provided on this housing shell region 12.
- a substantially continuous cohesion between the two housing shell regions 10, 12 is produced in a simple manner in the seam edge longitudinal direction L.
- the composite provided in this way is stable and, if the two folded edge regions 20, 22 do not abut one another directly but, for example, with the intermediate storage of a sealing material layer, can also be made gas-tight.
- the respective fold edge region 20, 22 and the bent-over projecting Umfalzabitese 24, 26 can be provided in a simple manner, for example, when performing a punching operation and subsequent forming operation, so that for generating the hinge connection region 32nd the interlocking interengaging Umfalzabitese 24, 26 by a simply designed tool further folded over and thus the Falzrand Scheme the other housing shell area can be positioned across.
- the two Falzrand Schemee 20, 22 are formed substantially flat throughout. This means that in none of these Falzrand Schemee 20, 22 lateral formations are present, as these below with reference to the Fig. 4 and 5 to be discribed.
- the folded edge regions 20, 22 extend into the Fig. 1-3 illustrated embodiment is rectilinear.
- the 6 and 7 show a with two housing shell portions 10, 12 constructed housing 14 of an exhaust gas treatment unit, in which the two housing shell portions 10, 12 are equally connected in Falzrand Schemeen 20, 22, which also have no lateral formations, in the sense described above are thus formed substantially flat throughout but do not extend in a straight line but are curved in space. Even in the case of such a curved configuration of the rebate edge regions 20, 22, which are essentially planar in design, the connection of the two housing shell regions 10, 12 can take place using the crimping sections described above.
- FIGS Fig. 4 and 5 An alternative embodiment of a housing 14 constructed according to the invention is shown in FIGS Fig. 4 and 5 shown.
- the two Falzrand Schemee 20, 22 are formed in the Falzrandlfitsraum L not flat continuous. Rather, Umfalzabitesabilityeinsenkieux 34, 36 are formed in each of the two Falzrand Schemee 20, 22 in the Falzrandlfitscardi L between two Umfalzabêten 24, 26 in association with the spaces between each formed 28, 30 Umfalzabitesingeinsenkache.
- Their depth of extension in the fold edge longitudinal direction L corresponds essentially to the extension length of a respectively assigned intermediate space 28, 30.
- the depth of this Umfalzabitesnesseinsenkache 34, 36 generated by forming the respective Falzrand Schemee 20, 22 corresponds substantially to the thickness or material thicknesses of the umfalzabitese 24, 26 to be accommodated therein in that, after the further folding over, they are used to produce the seam connecting region 32 are substantially completely received in the associated Umfalzabroughability Einsenkache 34, 36.
- the entire thickness of the seam bonding portion 32 decreases with respect to that of the embodiment of FIG Fig. 1-3 by half, ie on the total thickness formed by the material thickness of the two housing shell regions 10, 12.
- a housing constructed in accordance with the principles of the present invention may be constructed with two housing shells connected in respective adjacent housing shell areas with a seam connection area formed in the manner previously described.
- a housing longitudinal axis opposite areas of the housing such Falzthetics Suitee may preferably be formed extending in the direction of the housing longitudinal axis.
- this housing shell forming part can be bent into a ring-like configuration so that the then adjacent housing shell areas can be connected together in a single hinge connection area.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Ein Gehäuse, insbesondere für eine Abgasanlage einer Brennkraftmaschine eines Fahrzeugs, umfasst wenigstens zwei in wenigstens einem Falzverbindungsbereich (32) miteinander verbundene Gehäuseschalenbereiche (10, 12), wobei zur Bereitstellung des Falzverbindungsbereiches (32) jeder Gehäuseschalenbereich (10, 12) einen in einer Falzrandlängsrichtung (L) sich erstreckenden Falzrandbereich (20, 22) und eine Mehrzahl von im Wesentlichen quer zur Falzrandlängsrichtung (L) vom Falzrandbereich (20, 22) sich weg erstreckenden und zum Bereitstellen eines Zwischenraums in der Falzrandlängsrichtung (L) mit Abstand zueinander angeordneten Umfalzabschnitten (24, 26) umfasst, wobei wenigstens ein Teil der Umfalzabschnitte (24, 26) von jedem der Gehäuseschalenbereiche (10, 12) jeweils in einen zwischen zwei Umfalzabschnitten (24, 26) des jeweils anderen Gehäuseschalenbereichs (10, 12) gebildeten Zwischenraum eingreift und den Falzrandbereich (20, 22) dieses anderen Gehäuseschalenbereichs (10, 12) derart übergreift, dass der Falzrandbereich (20, 22) dieses anderen Gehäuseschalenbereichs (10, 12) zwischen den diesen übergreifenden Umfalzabschnitten (24, 26) und dem Falzrandbereich (20, 22) des diese Umfalzabschnitte (24, 26) aufweisenden Gehäuseschalenbereichs (10, 12) gehalten ist. A housing, in particular for an exhaust system of an internal combustion engine of a vehicle, comprises at least two housing shell regions (10, 12) interconnected in at least one hinge connection region (32), wherein each housing shell region (10, 12) provides one in a seam longitudinal direction to provide the seam connection region (32) (L) extending Falzrandbereich (20, 22) and a plurality of substantially transversely to the fold edge longitudinal direction (L) from the Falzrandbereich (20, 22) extending away and for providing a gap in the fold edge longitudinal direction (L) spaced apart Umfalzabschnitten ( 24, 26), wherein at least a part of the Umfalzabschnitte (24, 26) of each of the housing shell portions (10, 12) in each case between two Umfalzabschnitten (24, 26) of the respective other housing shell portion (10, 12) formed gap engages and the fold edge region (20, 22) of this other housing shell region (10 , 12) in such a way that the fold edge region (20, 22) of this other housing shell region (10, 12) between these Umfalzabschnitten this cross-over portions (24, 26) and the Falzrandbereich (20, 22) of this Umfalzabschnitte (24, 26) having housing shell portion (10, 12) is held.
Description
Die vorliegende Erfindung betrifft ein Gehäuse, insbesondere für eine Abgasanlage einer Brennkraftmaschine eines Fahrzeugs.The present invention relates to a housing, in particular for an exhaust system of an internal combustion engine of a vehicle.
Die bei Abgasbehandlungseinheiten von Abgasanlagen in Fahrzeugen eingesetzten Gehäuse sind im Allgemeinen aus Blechmaterial aufgebaut, das so geformt ist, dass in einem Verbindungsbereich aneinander angrenzende Gehäuseschalenbereiche einer oder verschiedener Gehäuseschalen durch Umformen, beispielsweise Umbördeln, oder/und durch Materialschluss, beispielsweise Verschweißung, miteinander verbunden sind.The housings used in exhaust treatment units of exhaust systems in vehicles are generally constructed of sheet metal material, which is shaped so that in a connection area adjacent housing shell portions of one or different housing shells by forming, for example crimping, and / or by material closure, such as welding, are interconnected ,
Es ist die Aufgabe der vorliegenden Erfindung, ein Gehäuse, insbesondere für eine Abgasanlage einer Brennkraftmaschine eines Fahrzeugs, bereitzustellen, bei welchem Gehäuseschalenbereiche zum Bereitstellen einer geschlossenen Konfiguration des Gehäuses in einfacher und stabiler Art und Weise miteinander verbunden werden können.It is the object of the present invention to provide a housing, in particular for an exhaust system of an internal combustion engine of a vehicle, in which housing shell areas for providing a closed configuration of the housing can be connected to each other in a simple and stable manner.
Erfindungsgemäß wird diese Aufgabe gelöst durch ein Gehäuse, insbesondere für eine Abgasanlage einer Brennkraftmaschine eines Fahrzeugs, umfassend wenigstens zwei in wenigstens einem Falzverbindungsbereich miteinander verbundene Gehäuseschalenbereiche, wobei zur Bereitstellung des Falzverbindungsbereiches jeder Gehäuseschalenbereich einen in einer Falzrandlängsrichtung sich erstreckenden Falzrandbereich und eine Mehrzahl von im Wesentlichen quer zur Falzrandlängsrichtung vom Falzrandbereich sich weg erstreckenden und zum Bereitstellen eines Zwischenraums in der Falzrandlängsrichtung mit Abstand zueinander angeordneten Umfalzabschnitten umfasst, wobei wenigstens ein Teil der Umfalzabschnitte von jedem der Gehäuseschalenbereiche jeweils in einen zwischen zwei Umfalzabschnitten des jeweils anderen Gehäuseschalenbereichs gebildeten Zwischenraum eingreift und den Falzrandbereich dieses anderen Gehäuseschalenbereichs derart übergreift, dass der Falzrandbereich dieses anderen Gehäuseschalenbereichs zwischen den diesen übergreifenden Umfalzabschnitten und dem Falzrandbereich des diese Umfalzabschnitte aufweisenden Gehäuseschalenbereichs gehalten ist.According to the invention, this object is achieved by a housing, in particular for an exhaust system of an internal combustion engine of a vehicle, comprising at least two housing shell regions interconnected in at least one hinge connection region, wherein each housing shell region provides a seam edge region extending in a seam edge longitudinal direction and a plurality of essentially transverse ones for providing the seam connection region at least one part of the Umfalzabschnitte of each of the housing shell portions engages in a formed between two Umfalzabschnitten the other housing shell portion gap and the Falzrandbereich this other Casing shell area overlaps in such a way that the fold edge region of this other housing shell region is held between the fold-over sections which overlap the latter and the seam edge region of the housing shell region having these fold-over sections.
Durch das Bereitstellen von in der Falzrandlängsrichtung alternierend aufeinanderfolgenden Umfalzabschnitten und Zwischenräumen wird eine verzahnungsartige Konfiguration erzeugt, welche einerseits eine definierte Positionierung der miteinander zu verbindenden Gehäuseschalenbereiche in der Falzrandlängsrichtung erzwingt. Andererseits wird durch den gegenseitigen abwechselnden Übergriff ein stabiler Zusammenhalt der beiden Gehäuseschalenbereiche gewährleistet. Da bei einem erfindungsgemäß aufgebauten Falzverbindungsbereich im Wesentlichen über die gesamte Länge desselben eine durch Umfalten der Umfalzabschnitte gebildete Außenkante entstehen, werden scharfkantige und eine Verletzungsgefahr mit sich bringende Abschnitte vermieden.By providing in the Falzrandlängsrichtung alternately successive Umfalzabschnitten and interstices a tooth-like configuration is generated, which on the one hand forces a defined positioning of the housing shell areas to be joined in the Falzrandlängsrichtung. On the other hand, a stable cohesion of the two housing shell areas is ensured by the mutual alternating attack. Since an outer edge formed by folding over of the Umfalzabschnitte formed in a Falzverbindungsbereich constructed according to the invention substantially over the entire length, sharp-edged and a risk of injury with them are avoided sections.
Um einen in der Falzrandlängsrichtung im Wesentlichen unterbrechungsfrei durchlaufenden Zusammenhalt der beiden Gehäuseschalenbereiche zu erreichen, wird vorgeschlagen, dass bei jedem Gehäuseschalenbereich der zwischen zwei in der Falzrandlängsrichtung aufeinanderfolgenden Umfalzabschnitten gebildete Zwischenraum in der Falzrandlängsrichtung eine Erstreckungslänge aufweist, die im Wesentlichen einer Erstreckungslänge der in diesen Zwischenraum aufgenommenen Umfalzabschnitte des jeweils anderen Gehäuseschalenbereichs entspricht. Dies bedeutet im Sinne der vorliegenden Erfindung, dass ein jeweiliger Umfalzabschnitt im Wesentlichen ohne oder mit geringem Bewegungsspiel in der Falzrandlängsrichtung zwischen zwei Umfalzabschnitten des jeweils anderen Gehäuseschalenbereichs aufgenommen werden kann, der Umfalzabschnitt jedoch im Wesentlichen ohne Zwängungen oder Verformung in den Zwischenraum zwischen den beiden diesen zwischen sich aufnehmenden Umfalzabschnitten des jeweils anderen Gehäuseschalenbereichs eingeführt werden kann.In order to achieve a cohesion of the two housing shell areas substantially uninterrupted in the seam edge longitudinal direction, it is proposed that for each housing shell area the intermediate space formed in the fold edge longitudinal direction between two fold-edge sections succeeding one another in the seam edge longitudinal direction has an extension length substantially equal to an extension length of the space taken up in this interspace Umfalzabschnitte the other housing shell portion corresponds. This means in the context of the present invention that a respective Umfalzabschnitt can be accommodated without or with little play in the Falzrandlängsrichtung between two Umfalzabschnitten the other housing shell portion, the Umfalzabschnitt but substantially without constraints or deformation in the space between the two between these can be introduced receiving female Umfalzabschnitten the other housing shell portion.
Um dabei einen symmetrischen Aufbau der beiden Gehäuseschalenbereiche vorsehen zu können, kann bei allen Gehäuseschalenbereichen eine Erstreckungslänge der Umfalzabschnitte im Wesentlichen einer Erstreckungslänge des jeweils zwischen in der Falzrandlängsrichtung aufeinanderfolgenden Umfalzabschnitten gebildeten Zwischenraums entsprechen.In order to be able to provide a symmetrical structure of the two housing shell areas, in all housing shell areas a Extension length of the Umfalzabschnitte substantially equal to an extension length of each formed between in the fold edge longitudinal direction Umfalzabschnitten corresponding gap.
Zum Erleichtern des Zusammenfügens der Falzrandbereiche der miteinander zu verbindenden Gehäuseschalenbereiche wird vorgeschlagen, dass bei wenigstens einem, vorzugsweise jedem Gehäuseschalenbereich die Umfalzabschnitte, ausgehend vom Falzrandbereich, sich verjüngend ausgebildet sind. Die Umfalzabschnitte weisen somit ausgehend vom jeweiligen Falzrandbereich eine in der Falzrandlängsrichtung abnehmende Erstreckungslänge auf, so dass zwischen zwei in der Falzrandlängsrichtung aufeinanderfolgenden Umfalzabschnitten eine Einführschräge für einen zwischen diesen aufzunehmenden Umfalzabschnitt eines jeweils anderen Gehäuseschalenbereichs gebildet ist.In order to facilitate the joining together of the seam edge regions of the housing shell regions to be joined together, it is proposed that in at least one, preferably each housing shell region, the fold over portions, starting from the seam edge region, be tapered. The Umfalzabschnitte thus have, starting from the respective Falzrandbereich a decreasing in the Falzrandlängsrichtung extension length, so that between two in the fold edge longitudinal direction Umfalzabschnitten an insertion be formed for a between these male Umfalzabschnitt a respective other housing shell area.
Ein sehr einfach zu realisierender Aufbau kann dadurch bereitgestellt werden, dass bei allen Gehäuseschalenbereichen der Falzrandbereich in der Falzrandlängsrichtung im Wesentlichen plan durchgehend ausgebildet ist. Dies bedeutet, dass im Sinne der vorliegenden Erfindung ein jeweiliger Falzrandbereich gemäß der Konfiguration des bereitzustellenden Gehäuses beispielsweise im Wesentlichen geradlinig oder bei gekrümmter Ausgestaltung des Gehäuses, entsprechend dieser gekrümmten Gehäusekontur, auch gekrümmt verlaufen kann, jedoch orthogonal zu einer durch einen jeweiligen Falzrandbereich aufgespannten, gegebenenfalls gekrümmten Fläche im Wesentlichen keine Ausformungen aufweist.A construction that is very easy to implement can be provided by the fact that in all housing shell areas the seam edge area in the seam edge longitudinal direction is substantially flat. This means that for the purposes of the present invention, a respective folded edge region according to the configuration of the housing to be provided, for example, substantially rectilinear or curved shape of the housing, according to this curved housing contour, may also be curved, but orthogonal to a spanned by a respective Falzrandbereich, optionally curved surface has substantially no formations.
Bei einer alternativen Ausgestaltungsform kann vorgesehen sein, dass bei wenigstens einem, vorzugsweise jedem Gehäuseschalenbereich der Falzrandbereich in Zuordnung zu wenigstens einem, vorzugsweise jedem zwischen in der Falzrandlängsrichtung aufeinanderfolgenden Umfalzabschnitten gebildeten Zwischenraum in der Falzrandlängsrichtung zwischen den beiden den Zwischenraum zwischen sich bildenden Umfalzabschnitten an seiner vom Falzrandbereich des jeweils anderen Gehäuseschalenbereichs abgewandten Seite eine Umfalzabschnittaufnahmeeinsenkung aufweist. Somit greift ein einen Falzrandbereich übergreifender Umfalzabschnitt in eine Umfalzabschnittaufnahmeeinsenkung ein, was einerseits die Zentrierung der beiden zu verbindenden Gehäuseschalenbereiche unterstützt, andererseits zu einer verminderten Dicke des so hergestellten Falzverbindungsbereichs führt.In an alternative embodiment it can be provided that in at least one, preferably each housing shell region of the seaming area in association with at least one, preferably each formed in the fold edge longitudinal Umfalzabschnitten gap in the seam margin between the two the space between forming Umfalzabschnitten at its from the seam edge area of the respective other housing shell portion facing away from a Umfalzabschnittaufnahmeeinsenkung. Thus engages a Falzrandbereich cross Umfalzabschnitt in a Umfalzabschnittaufnahmeeinsenkung, which on the one hand supports the centering of the two housing shell portions to be connected, on the other hand leads to a reduced thickness of the Falzverbindungsbereichs thus produced.
Um dabei einen jeweiligen Umfalzabschnitt im Wesentlichen vollständig in einer diesem zugeordneten Umfalzabschnittaufnahmeeinsenkung aufnehmen zu können, wird vorgeschlagen, dass eine Erstreckungslänge einer jeweiligen Umfalzabschnittaufnahmeeinsenkung in der Falzrandlängsrichtung im Wesentlichen einer Erstreckungslänge eines darin aufgenommenen Umfalzabschnitts entspricht, oder/und dass eine Einsenkungstiefe einer jeweiligen Umfalzabschnittaufnahmeeinsenkung im Wesentlichen einer Dicke des darin aufgenommenen Umfalzabschnitts entspricht.In order to be able to absorb a respective Umfalzabschnitt substantially completely in this Umfalzabschnittaufnahmen Einsenkung, it is proposed that an extension length of a respective Umfalzabschnittaufnahmeeinsenkung in the seaming edge longitudinal direction corresponds substantially to an extension length of a Umfalzabschnitts received therein, and / or that a depression depth of a respective Umfalzabschnittaufnahmeeinsenkung substantially corresponds to a thickness of the Umfalzabschnitts received therein.
Derartige Umfalzabschnittaufnahmeeinsenkungen können in besonders einfacher Weise dadurch bereitgestellt werden, dass der Falzrandbereich eines der Gehäuseschalenbereiche in Richtung auf den Falzrandbereich des jeweils anderen Gehäuseschalenbereichs zu verformt ist.Such Umfalzabschnittaufnahmeeinsenkungen can be provided in a particularly simple manner that the Falzrandbereich one of the housing shell portions is deformed in the direction of the Falzrandbereich the other housing shell portion.
Bei wenigstens einem, vorzugsweise jedem Gehäuseschalenbereich kann der Falzrandbereich bezüglich eines an diesen anschließenden Gehäuseschalenkörpers abgewinkelt sein.In at least one, preferably each housing shell region, the seam edge region can be angled relative to a housing shell body adjoining it.
Um einerseits die zum Erzeugen des Falzverbindungsbereichs erforderliche Verformbarkeit des erfindungsgemäß bereitzustellenden Gehäuses erreichen zu können, andererseits dieses Gehäuse insbesondere auch wärmeresistent ausbilden zu können, wird vorgeschlagen, dass wenigstens ein, vorzugsweise jeder Gehäuseschalenbereich mit Blechmaterial aufgebaut ist.On the one hand, to be able to achieve the deformability of the housing to be provided according to the invention for producing the seam connection area, and on the other hand to be able to form this housing in a heat-resistant manner, it is proposed that at least one, preferably each housing shell area be constructed with sheet metal material.
Die Gehäuseschalenbereiche können mit ihren Falzrandbereichen aneinander anliegen.The housing shell areas can rest against one another with their fold edge areas.
Die Erfindung betrifft ferner eine Abgasbehandlungseinheit für eine Abgasanlage einer Brennkraftmaschine, insbesondere für ein Fahrzeug, umfassend ein erfindungsgemäß aufgebautes Gehäuse.The invention further relates to an exhaust gas treatment unit for an exhaust system of an internal combustion engine, in particular for a vehicle, comprising a housing constructed according to the invention.
Die vorliegende Erfindung wird nachfolgend mit Bezug auf die beiliegenden Figuren detailliert beschrieben. Es zeigt:
- Fig. 1
- zwei miteinander in einem Falzverbindungsbereich zu verbindende Gehäuseschalenbereiche ;
- Fig. 2
- die beiden in einem Falzverbindungsbereich miteinander verbundenen Gehäuseschalenbereiche in perspektivischer Ansicht;
- Fig. 3
- eine der
Fig. 2 entsprechende Darstellung des Falzverbindungsbereichs, betrachtet in einer anderen Richtung; - Fig. 4
- eine der
Fig. 2 entsprechende Ansicht zweier in einem alternativ ausgebildeten Falzverbindungsbereich miteinander verbundener Gehäuseschalenbereiche in perspektivischer Ansicht; - Fig. 5
- eine der
Fig. 4 entsprechende Darstellung des Falzverbindungsbereich, betrachtet in einer anderen Richtung; - Fig. 6
- in perspektivischer Ansicht ein mit zwei Gehäuseschalenbereichen aufgebautes Gehäuse einer Abgasbehandlungseinheit;
- Fig. 7
- das Gehäuse der
Fig. 6 in Seitenansicht.
- Fig. 1
- two housing shell portions to be joined together in a hinge connection area;
- Fig. 2
- the two in a Falzverbindungsbereich interconnected housing shell areas in perspective view;
- Fig. 3
- one of the
Fig. 2 corresponding representation of the seam connection area, viewed in a different direction; - Fig. 4
- one of the
Fig. 2 corresponding view of two in an alternatively formed Falzverbindungsbereich interconnected housing shell areas in perspective view; - Fig. 5
- one of the
Fig. 4 corresponding representation of the seam connection area, viewed in a different direction; - Fig. 6
- in a perspective view of a constructed with two housing shell areas housing an exhaust gas treatment unit;
- Fig. 7
- the case of the
Fig. 6 in side view.
Die
Jeder der beiden Gehäuseschalenbereiche 10, 12 weist einen beispielsweise gekrümmten Gehäuseschalenkörper 16, 18 auf, an welchem ein bezüglich des jeweiligen Gehäuseschalenkörpers 16, 18 abgewinkelter und im dargestellten Beispiel geradlinig und plan durchlaufender Falzrandbereich 20, 22 vorgesehen ist.Each of the two
Von den einer Falzrandlängsrichtung L sich erstreckenden Falzrandbereichen 20, 22 erstreckt sich im Wesentlichen quer zur Falzrandlängsrichtung L und unter einem Winkel von näherungsweise bzw. etwas mehr als 90° jeweils eine Mehrzahl von Umfalzabschnitten 24, 26. Zwischen den vom Falzrandbereich 20 sich erstreckenden Umfalzabschnitten 24 ist jeweils ein Zwischenraum 28 gebildet. Entsprechend ist zwischen den vom Falzrandbereich 22 sich erstreckenden Umfalzabschnitten 26 jeweils ein Zwischenraum 30 gebildet.Of the one Falzrandlängsrichtung
Die Erstreckungslänge der Umfalzabschnitte 24, 26 in der Falzrandlängsrichtung L entspricht im Wesentlichen der Erstreckungslänge der zwischen diesen jeweils gebildeten Zwischenräume 28, 30. Dabei können die Umfalzabschnitte 24, 26, ausgehend vom jeweiligen Falzrandbereich 20, 22 sich verjüngend ausgebildet sein, so dass ihre Erstreckungslänge in der Falzrandlängsrichtung L, ausgehend vom jeweiligen Falzrandbereich 20, 22, abnimmt. Entsprechend nimmt dann die Erstreckungslänge der zwischen zwei derartigen Umfalzabschnitten 24 bzw. 26 gebildeten Zwischenräume 28, 30, ausgehend vom jeweiligen Falzrandbereich 20, 22 zu. Somit bilden die Umfalzabschnitte 24 am Falzrandbereich 20 jeweils Einführschrägen für die zwischen diesen jeweils aufzunehmenden Umfalzabschnitte 26 am Falzrandbereich 22, und umgekehrt.The extension length of the
Zum Herstellen eines in den
Nachdem die beiden Gehäuseschalenbereiche 10, 12 in der vorangehend beschriebenen Art und Weise bezüglich einander positioniert wurden, werden die Umfalzabschnitte 24, 26 weiter umgefaltet, so dass die Umfalzabschnitte 24 des Gehäuseschalenbereichs 10 den Falzrandbereich 22 des Gehäuseschalenbereichs 12 übergreifen und somit dieser Falzrandbereich 22 fest zwischen dem Falzrandbereich 20 des Gehäuseschalenbereichs 10 und den an diesem Gehäuseschalenbereich 10 vorgesehenen Umfalzabschnitten 24 gehalten bzw. geklemmt ist. Entsprechend übergreifen die Umfalzabschnitte 26 des Gehäuseschalenbereichs 12 nach dem weiteren Umfalten den Falzrandbereich 20 des Gehäuseschalenbereichs 10, so dass dieser zwischen dem Falzrandbereich 22 des Gehäuseschalenbereichs 12 und den an diesem Gehäuseschalenbereich 12 vorgesehenen Umfalzabschnitten 26 fest gehalten bzw. geklemmt ist.After the two
Bei dem so erzeugten Falzverbindungsbereich 32 wird in der Falzrandlängsrichtung L ein im Wesentlichen durchgehender Zusammenhalt zwischen den beiden Gehäuseschalenbereichen 10, 12 in einfacher Art und Weise erzeugt. Der so bereitgestellte Verbund ist stabil und kann, wenn die beiden Falzrandbereiche 20, 22 nicht unmittelbar, sondern beispielsweise unter Zwischenlagerung einer Dichtmateriallage aneinander anliegen, auch gasdicht gestaltet werden. Bei der Herstellung der beiden Gehäuseschalenbereiche 10, 12 können der jeweilige Falzrandbereich 20, 22 und die von diesem abgewinkelt abstehenden Umfalzabschnitte 24, 26 in einfacher Weise beispielsweise bei Durchführung eines Ausstanzvorgangs oder und eines daran anschließenden Umformungsvorgangs bereitgestellt werden, so dass zur Erzeugung des Falzverbindungsbereichs 32 die verzahnungsartig ineinander eingreifenden Umfalzabschnitte 24, 26 durch ein einfach gestaltetes Werkzeug weiter umgefaltet und somit den Falzrandbereich des jeweils anderen Gehäuseschalenbereichs übergreifend positioniert werden können.In the
Bei dem vorangehend mit Bezug auf die
Eine alternative Ausgestaltungsart eines erfindungsgemäß aufgebauten Gehäuses 14 ist in den
Bei dieser Ausgestaltungsart verringert sich die gesamte Dicke des Falzverbindungsbereichs 32 bezüglich desjenigen der Ausgestaltungsform der
Ein gemäß den Prinzipien der vorliegenden Erfindung aufgebautes Gehäuse kann mit zwei Gehäuseschalen aufgebaut sein, die in jeweils aneinander angrenzenden Gehäuseschalenbereichen mit einem in der vorangehend beschriebenen Art und Weise ausgebildeten Falzverbindungsbereich verbunden sind. Beispielsweise können an zwei bezüglich einer Gehäuselängsachse einander gegenüberliegenden Bereichen des Gehäuses derartige Falzverbindungsbereiche sich vorzugsweise in Richtung der Gehäuselängsachse erstreckend ausgebildet sein. Bei einem aus einem einzigen Teil aufgebauten Gehäuse kann dieses eine Gehäuseschale bildende Teil in eine ringartige Konfiguration gebogen werden, so dass die dann aneinander angrenzenden Gehäuseschalenbereiche in einem einzigen Falzverbindungsbereich miteinander verbunden werden können.A housing constructed in accordance with the principles of the present invention may be constructed with two housing shells connected in respective adjacent housing shell areas with a seam connection area formed in the manner previously described. For example, at two relative to a housing longitudinal axis opposite areas of the housing such Falzverbindungsbereiche may preferably be formed extending in the direction of the housing longitudinal axis. In a housing constructed from a single part, this housing shell forming part can be bent into a ring-like configuration so that the then adjacent housing shell areas can be connected together in a single hinge connection area.
Claims (12)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017108244.1A DE102017108244A1 (en) | 2017-04-19 | 2017-04-19 | Housing, in particular for an exhaust system of an internal combustion engine of a vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3392481A1 true EP3392481A1 (en) | 2018-10-24 |
EP3392481B1 EP3392481B1 (en) | 2020-03-04 |
Family
ID=61913046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP18166214.9A Active EP3392481B1 (en) | 2017-04-19 | 2018-04-09 | Housing, especially for an exhaust system of a combustion engine of a vehicle |
Country Status (5)
Country | Link |
---|---|
US (1) | US10626782B2 (en) |
EP (1) | EP3392481B1 (en) |
JP (1) | JP6526283B2 (en) |
CN (1) | CN108730005B (en) |
DE (1) | DE102017108244A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019110947A1 (en) | 2019-04-29 | 2020-10-29 | Eberspächer Exhaust Technology GmbH & Co. KG | Housing, in particular for an exhaust system of an internal combustion engine of a vehicle |
JP7173940B2 (en) * | 2019-08-29 | 2022-11-16 | 株式会社神戸製鋼所 | structural member |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE913600C (en) * | 1952-08-17 | 1954-06-18 | Armco Int Corp | Connection arrangement for assemblable drainpipes |
DE102005044376A1 (en) * | 2005-09-16 | 2007-03-22 | Kwh Automobiltechnik Gmbh | Click-tube produced from deformed metal strip for silencer has two-side connection with flange segments, integrated click system and positioning stamps in joint surfaces |
DE202013004290U1 (en) * | 2013-05-07 | 2013-06-10 | Rolf Kölle | Component with a shell consisting of at least two metal shells |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5652350Y2 (en) * | 1975-02-20 | 1981-12-07 | ||
US4441241A (en) * | 1980-08-15 | 1984-04-10 | Snyder General Corporation | Method of manufacturing a heat exchanger unit |
US5280142A (en) * | 1991-10-18 | 1994-01-18 | Ap Parts Manufacturing Company | Heat shielded exhaust system component |
JPH07158598A (en) * | 1993-12-08 | 1995-06-20 | Akaishi Kinzoku Kogyo Kk | Casing for blower |
JP4308399B2 (en) * | 2000-02-28 | 2009-08-05 | プレス工業株式会社 | Metal container structure |
JP2002106336A (en) * | 2000-09-29 | 2002-04-10 | Calsonic Kansei Corp | Fitting structure of shroud for catalytic converter |
JP4232011B2 (en) * | 2003-04-18 | 2009-03-04 | 三菱自動車エンジニアリング株式会社 | Catalytic device |
JP2007175760A (en) * | 2005-12-28 | 2007-07-12 | Aru Techno:Kk | Press formed article made of metallic sheet and method for manufacturing it |
DE102006036009A1 (en) * | 2006-08-02 | 2008-02-07 | Schaeffler Kg | Method for connecting shell parts |
DE102015105749A1 (en) * | 2015-04-15 | 2016-10-20 | Tenneco Gmbh | EXHAUST BEND |
-
2017
- 2017-04-19 DE DE102017108244.1A patent/DE102017108244A1/en not_active Withdrawn
-
2018
- 2018-04-09 EP EP18166214.9A patent/EP3392481B1/en active Active
- 2018-04-10 CN CN201810320691.1A patent/CN108730005B/en active Active
- 2018-04-18 US US15/956,069 patent/US10626782B2/en active Active
- 2018-04-18 JP JP2018079547A patent/JP6526283B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE913600C (en) * | 1952-08-17 | 1954-06-18 | Armco Int Corp | Connection arrangement for assemblable drainpipes |
DE102005044376A1 (en) * | 2005-09-16 | 2007-03-22 | Kwh Automobiltechnik Gmbh | Click-tube produced from deformed metal strip for silencer has two-side connection with flange segments, integrated click system and positioning stamps in joint surfaces |
DE202013004290U1 (en) * | 2013-05-07 | 2013-06-10 | Rolf Kölle | Component with a shell consisting of at least two metal shells |
Also Published As
Publication number | Publication date |
---|---|
US20180306093A1 (en) | 2018-10-25 |
US10626782B2 (en) | 2020-04-21 |
EP3392481B1 (en) | 2020-03-04 |
CN108730005A (en) | 2018-11-02 |
CN108730005B (en) | 2020-11-03 |
DE102017108244A1 (en) | 2018-10-25 |
JP6526283B2 (en) | 2019-06-05 |
JP2018179005A (en) | 2018-11-15 |
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