EP0151654A2 - Device for connecting an exhaust gas hose to an exhaust, especially of an automobile - Google Patents
Device for connecting an exhaust gas hose to an exhaust, especially of an automobile Download PDFInfo
- Publication number
- EP0151654A2 EP0151654A2 EP84100617A EP84100617A EP0151654A2 EP 0151654 A2 EP0151654 A2 EP 0151654A2 EP 84100617 A EP84100617 A EP 84100617A EP 84100617 A EP84100617 A EP 84100617A EP 0151654 A2 EP0151654 A2 EP 0151654A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- exhaust
- spout
- hose
- connector
- hose connector
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/002—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using a central suction system, e.g. for collecting exhaust gases in workshops
Definitions
- the invention relates to a device for connecting a flexible exhaust gas suction hose to the exhaust of an internal combustion engine, in particular of a passenger or truck, with a hose connector and an expanding spout that can be pushed onto the exhaust.
- the grommets are usually also fixed to the exhaust set, at least by clamping. If, when starting or driving away such a vehicle, it is forgotten that the exhaust gas extraction hose is still attached, it will be separated from the exhaust system by force if the hose is tensioned accordingly. Since the exhaust hoses are usually wound up on hose drums when the extraction system is installed under the hall ceiling, there can be considerable injuries when the nozzle is loosened if it falls down from the hall ceiling and, for example, the metal coupling pipe is opened a person beats. Vehicles standing under the hose reel can also be damaged and damaged. Like. more.
- the object of the invention is to provide a solution with which these serious disadvantages are avoided, in particular with which a metal coupling element is entirely unnecessary, at the same time the spout itself can be carried out much more easily and damage to persons if the spout is accidentally torn off the exhaust hose and things can be largely avoided.
- this object is achieved according to the invention in that the hose connection piece and the spout are made in one piece from an elastic material and the hose connection piece is provided with an internal thread.
- the invention takes advantage of the fact that the exhaust gas extraction Hoses are usually provided as spiral hoses with helically shaped outer beads, on which the correspondingly shaped internal thread can then be screwed onto the hose connector of the nozzle. This eliminates the need for any metal connection element. At the same time hose clamps fall. Like. Away, so that the risk of destruction and injury to things or people is not only reduced but essentially completely avoided.
- the invention provides that the device is formed from a rubber mixture which is resistant to high temperatures.
- a special external thread could also be provided on the coupling clamp in an exhaust gas suction hose, but it is expedient, as already stated above, if the internal thread in the connection piece corresponds to the external spiral thread of the flexible exhaust gas hoses.
- the invention provides that the spout has a cross-sectional shape that deviates from the cylindrical cone shape, it being particularly expedient if the free push-on cross section of the spout is essentially rectangular.
- the spout has a cross-sectional shape that deviates from the cylindrical cone shape, it being particularly expedient if the free push-on cross section of the spout is essentially rectangular.
- this form not only different cross sections of exhaust pipes, but also, for example, double exhaust systems and. Like. more.
- hose connection piece and spout are made in one piece and run at an angle to one another.
- This embodiment of the invention is particularly suitable for exhaust hoses wound on the hall ceiling or in the area of the hall ceiling, since when these hoses are lowered, the spout is already aligned with the exhaust to be connected when the hose hangs vertically from above.
- the angle between the center line of the spout and the connector is about 90 °, as the invention also provides.
- the device generally designated 1, consists in one piece of a hose connector 2 and a nozzle 3, both of which are formed from a high-temperature-resistant rubber mixture.
- the hose connector 2 has an internal thread 4 equipped with a large pitch, the internal thread 4 being adapted to the external spirals of exhaust gas suction hoses.
- the grommet 3 has a cross-sectional shape that deviates from the cylindrical cone shape, in particular in its slide-on surface 5, which is approximately rectangular in the example shown. Also shown are integral cams 6 and 6 'which e.g. can be used to attach clamping elements or the like. Additional passages for introducing measuring devices can also be provided, which is not shown in more detail.
- hose connector 2 and the nozzle 3 can be arranged at an angle to one another, e.g. at an angle of 90 °.
- the described embodiment can be modified in many ways without the basic idea of Leaving invention.
- the spout can also be substantially frustoconical u. Like. more.
Landscapes
- Exhaust Silencers (AREA)
- Joints That Cut Off Fluids, And Hose Joints (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Description
Die Erfindung richtet sich auf eine Vorrichtung zur Verbindung eines flexiblen Abgas-Absaugschlauches mit dem Auspuff einer Verbrennungskraftmaschine, insbesondere von Personen- oder Lastkraftwagen, mit einem Schlauchanschlußstück und einer sich erweiternden, auf den Auspuff aufschiebbaren Tülle.The invention relates to a device for connecting a flexible exhaust gas suction hose to the exhaust of an internal combustion engine, in particular of a passenger or truck, with a hose connector and an expanding spout that can be pushed onto the exhaust.
Insbesondere in Werkstätten, auf Prüfständen oder bei sonstigen Gelegenheiten, bei denen Motoren während des Laufens getestet, geprüft oder eingestellt werden müssen, werden die entstehenden Abgase über den Auspuff durch Sauggebläse abgezogen. Dabei ist es bekannt, derartige Einrichtungen unter der Hallendecke zu verlegen und von stationären oder bewegbaren Rohrleitungssystemen flexible Abgas-Absaugschläuche ausgehen zu lassen, die dann auf die Enden der Auspuffanlagen aufgeschoben werden. Insbesondere bei Auspuffanlagen, deren Endstutzen einen vergleichsweise großen Durchmesser aufweisen, werden die Abgasschläuche mit trichterartigen Tüllen versehen, die dort aufsteckbar sind. Dabei ist es bekannt, zwischen dem flexiblen Schlauch und der Tülle ein Rohrstück aus Metall anzuordnen, auf dem über Schlauchschellen sowohl ein Stutzen an der Tülle als auch der Schlauch selbst festgelegt werden.Especially in workshops, on test benches or on other occasions where engines have to be tested, checked or adjusted while running, the exhaust gases are extracted via the exhaust by suction fans. It is known to lay such devices under the hall ceiling and to let flexible or exhaust gas extraction hoses emanate from stationary or movable piping systems, which are then pushed onto the ends of the exhaust systems. Especially in exhaust systems, the end pieces of which have a comparatively large diameter, the exhaust hoses are provided with funnel-like grommets which can be plugged on there. It is known to arrange a piece of pipe made of metal between the flexible hose and the spout, on which both a nozzle on the spout and the hose itself are fixed by means of hose clamps.
Die Tüllen werden in der Regel am Auspuff ebenfalls festgesetzt, wenigstens durch Klemmen. Wird beim Anfahren oder Wegfahren eines solchen Fahrzeuges vergessen, daß der Abgas-Absaugschlauch noch aufgesteckt ist, so trennt sich dieser durch Zwang von der Auspuffanlage, wenn der Schlauch entsprechend gespannt wird. Da die Abgasschläuche in der Regel dann, wenn die Absauganlage unter der Hallendecke verlegt ist, auf Schlauchtrommeln aufgewickelt werden, kann es beim Lockern der Tülle zu erheblichen Verletzungen dann kommen, wenn diese von der Hallendecke-nach unten stürzt und z.B. das Kupplungsrohr aus Metall auf eine Person schlägt. Auch können unter dem Schlauchaufroller stehende Fahrzeuge dann Schaden nehmen u. dgl. mehr.The grommets are usually also fixed to the exhaust set, at least by clamping. If, when starting or driving away such a vehicle, it is forgotten that the exhaust gas extraction hose is still attached, it will be separated from the exhaust system by force if the hose is tensioned accordingly. Since the exhaust hoses are usually wound up on hose drums when the extraction system is installed under the hall ceiling, there can be considerable injuries when the nozzle is loosened if it falls down from the hall ceiling and, for example, the metal coupling pipe is opened a person beats. Vehicles standing under the hose reel can also be damaged and damaged. Like. more.
Aufgabe der Erfindung ist die Schaffung.einer Lösung, mit der diese gravierenden Nachteile vermieden werden, insbesondere, mit der ein Metallkupplungselement gänzlich entbehrlich ist, wobei gleichzeitig die Tülle selbst sehr viel leichter ausgeführt werden kann und beim versehentlichen Abreißen der Tülle vom Abgasschlauch Schäden an Personen und Sachen weitestgehend vermieden werden können.The object of the invention is to provide a solution with which these serious disadvantages are avoided, in particular with which a metal coupling element is entirely unnecessary, at the same time the spout itself can be carried out much more easily and damage to persons if the spout is accidentally torn off the exhaust hose and things can be largely avoided.
Bei einer Vorrichtung der eingangs bezeichneten Art wird diese Aufgabe gemäß der Erfindung dadurch gelöst, daß das Schlauchanschlußstück und die Tülle einstückig aus einem elastischen Werkstoff gefertigt sind und das Schlauchanschlußstück mit einem Innengewinde versehen ist.In a device of the type mentioned, this object is achieved according to the invention in that the hose connection piece and the spout are made in one piece from an elastic material and the hose connection piece is provided with an internal thread.
Die Erfindung macht sich zunutze, daß die Abgas-Absaugschläuche in der Regel als Spiralschläuche mit schraubenförmig ausgebildeten Außenwulsten versehen sind, auf die dann das entsprechend geformte Innengewinde am Schlauchanschlußstück der Tülle aufschraubbar ist. Damit wird jedes Metallverbindungselement entbehrlich. Gleichzeitig fallen Schlauchschellen u. dgl. weg, so daß die Zerstörungs- und Verletzungsgefahr an Sachen oder Personen nicht nur reduziert sondern im wesentlichen gänzlich vermieden wird.The invention takes advantage of the fact that the exhaust gas extraction Hoses are usually provided as spiral hoses with helically shaped outer beads, on which the correspondingly shaped internal thread can then be screwed onto the hose connector of the nozzle. This eliminates the need for any metal connection element. At the same time hose clamps fall. Like. Away, so that the risk of destruction and injury to things or people is not only reduced but essentially completely avoided.
In Ausgestaltung sieht die Erfindung vor, daß die Vorrichtung aus einem hochtemperaturfestep Kautschukgemisch gebildet ist.In an embodiment, the invention provides that the device is formed from a rubber mixture which is resistant to high temperatures.
Grundsätzlich könnte in einem Abgas-Absaugschlauch auch ein spezielles Außengewinde an der Kupplungsschelle vorgesehen sein, allerdings ist es zweckmäßig, wie oben bereits ausgeführt, wenn das Innengewinde im Anschlußstück dem Außenspiralgewinde der flexiblen Abgasschläuche entspricht.In principle, a special external thread could also be provided on the coupling clamp in an exhaust gas suction hose, but it is expedient, as already stated above, if the internal thread in the connection piece corresponds to the external spiral thread of the flexible exhaust gas hoses.
Um die Vorrichtung unterschiedlichen Einsatzgebieten zugänglich zu machen ohne die Form zu ändern, sieht die Erfindung vor, daß die Tülle eine von der Zylinderkegelform abweichende Querschnittsform aufweist, wobei es besonders zweckmäßig ist, wenn der freie Aufschubquerschnitt der Tülle im wesentlichen rechteckförmig ausgebildet ist. In dieser Form können nicht nur unterschiedliche Querschnitte von Auspuffrohren beaufschlagt werden, sondern auch z.B. Doppelauspuffanlagen u. dgl. mehr.In order to make the device accessible to different areas of application without changing the shape, the invention provides that the spout has a cross-sectional shape that deviates from the cylindrical cone shape, it being particularly expedient if the free push-on cross section of the spout is essentially rectangular. In this form, not only different cross sections of exhaust pipes, but also, for example, double exhaust systems and. Like. more.
Es kann zweckmäßig sein, daß das Schlauchanschlußstück und Tülle einstückig und in einem Winkel zueinander verlaufend ausgebildet sind. Diese erfindungsgemäße Ausgestaltung ist insbesondere für an der Hallendecke oder im Bereich der Hallendecke aufgewickelte Abgasschläuche geeignet, da beim Herablassen dieser Schläuche die Tülle bereits auf den anzuschließenden Auspuff zugerichtet ist, wenn der Schlauch senkrecht von oben herunterhängt.It may be expedient that the hose connection piece and spout are made in one piece and run at an angle to one another. This embodiment of the invention is particularly suitable for exhaust hoses wound on the hall ceiling or in the area of the hall ceiling, since when these hoses are lowered, the spout is already aligned with the exhaust to be connected when the hose hangs vertically from above.
Zweckmäßig ist es dann, wenn der Winkel zwischen der Mittellinie der Tülle und des Anschlußstückes etwa 90° beträgt, wie dies die Erfindung ebenfalls vorsieht.It is useful if the angle between the center line of the spout and the connector is about 90 °, as the invention also provides.
Weitere Merkmale, Einzelheiten und Vorteile der Erfindung ergeben sich aufgrund der nachfolgenden Beschreibung sowie anhand der Zeichnung. Diese zeigt in der einzigen Figur eine perspektivische, vereinfachte Darstellung der Vorrichtung nach der Erfindung.Further features, details and advantages of the invention result from the following description and from the drawing. In the single figure, this shows a perspective, simplified representation of the device according to the invention.
Die allgemein mit 1 bezeichnete Vorrichtung besteht einstückig aus einem Schlauchanschlußstück 2 und einer Tülle 3, die beide aus einem hochtemperaturfesten Kautschukgemisch gebildet sind.The device, generally designated 1, consists in one piece of a
Das Schlauchanschlußstück 2 ist mit einem Innengewinde 4 großer Ganghöhe ausgestattet, wobei das Innengewinde 4 den Außenspiralen von Abgas-Absaugschläuchen angepaßt ist.The
Anders als im dargestellten Beispiel kann statt des angepaßten Innengewindes dann eine andere Gewindeart und Bajonettverschluß o. dgl. im Inneren einstückig angeformt sein, wenn das Ende eines auszurüstenden Abgasschlauches entsprechend gestaltet ist. Dies ist allerdings nicht näher dargestellt.In contrast to the example shown, instead of the adapted internal thread, another type of thread and bayonet lock or the like can be integrally formed on the inside if the end of an exhaust hose to be equipped is designed accordingly. However, this is not shown in more detail.
Wie sich aus der Figur ergibt, weist die Tülle 3 eine von der Zylinderkegelform abweichende Querschnittsform, insbesondere in ihrer Aufschubfläche 5 auf, die im dargestellten Beispiel etwa rechteckig ausgebildet ist. Mit dargestellt sind noch einstückig angeformte Nocken 6 und 6', die z.B. zur Anbringung von Klemmelementen o. dgl. herangezogen werden können. Es können auch noch zusätzliche Durchgänge zur Einführung von Meßgeräten vorgesehen sein, was nicht näher dargestellt ist.As can be seen from the figure, the grommet 3 has a cross-sectional shape that deviates from the cylindrical cone shape, in particular in its slide-on
Nicht dargestellt ist in der Figur die Möglichkeit, daß das Schlauchanschlußstück 2 und die Tülle 3 im Winkel zueinander angeordnet sein können, z.B. in einem Winkel von 90°.Not shown in the figure is the possibility that the
Natürlich ist das beschriebene Ausführungsbeispiel noch in vielfacher Hinsicht abzuändern, ohne den Grundgedanken der Erfindung zu verlassen. So kann entgegen der Darstellung die Tülle auch im wesentlichen kegelstumpfförmig ausgebildet sein u. dgl. mehr.Of course, the described embodiment can be modified in many ways without the basic idea of Leaving invention. Contrary to the illustration, the spout can also be substantially frustoconical u. Like. more.
Claims (7)
dadurch gekennzeichnet, daß
das Schlauchanschlußstück (2) und die Tülle (3) einstükkig aus einem elastischen Werkstoff gefertigt sind und das Schlauchanschlußstück (2) mit einem Innengewinde (4) versehen ist.1. Device for connecting a flexible exhaust gas suction hose to the exhaust of an internal combustion engine, in particular of a passenger or truck, with a hose connector and an expanding spout that can be pushed onto the exhaust,
characterized in that
the hose connector (2) and the nozzle (3) are made in one piece from an elastic material and the hose connector (2) is provided with an internal thread (4).
dadurch gekennzeichnet, daß
die Vorrichtung (1) aus einem hochtemperaturfesten Kautschukgemisch gebildet ist.2. Device according to claim 1,
characterized in that
the device (1) is formed from a rubber mixture which is resistant to high temperatures.
dadurch gekennzeichnet, daß
das Innengewinde (4) im Anschlußstück (2) dem Außenspiralgewinde der flexiblen Abgasschläuche entspricht.3. Device according to claim 1 or 2,
characterized in that
the internal thread (4) in the connector (2) corresponds to the external spiral thread of the flexible exhaust hoses.
die Tülle (3) eine von der Zylinderkegelform abweichende Querschnittsform aufweist.4. Device according to one of the preceding claims, characterized in that
the spout (3) has a cross-sectional shape that deviates from the cylindrical cone shape.
dadurch gekennzeichnet, daß
der freie Aufschubquerschnitt (5) der Tülle (3) im wesentlichen rechteckförmig ausgebildet ist.5. The device according to claim 4,
characterized in that
the free slip cross section (5) of the spout (3) is essentially rectangular.
das Schlauchanschlußstück (2) und Tülle (3) einstückig und in einem Winkel zueinander verlaufend ausgebildet sind.6. Device according to one of the preceding claims, characterized in that
the hose connector (2) and spout (3) are made in one piece and at an angle to each other.
dadurch gekennzeichnet, daß
der Winkel zwischen der Mittellinie der Tülle (3) und des Anschlußstückes (2) etwa 90° beträgt.7. The device according to claim 6,
characterized in that
the angle between the center line of the spout (3) and the connecting piece (2) is approximately 90 °.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE8312498U | 1983-04-28 | ||
| DE19838312498U DE8312498U1 (en) | 1983-04-28 | 1983-04-28 | DEVICE FOR CONNECTING AN EXHAUST HOSE TO THE EXHAUST, IN PARTICULAR MOTOR VEHICLES |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0151654A2 true EP0151654A2 (en) | 1985-08-21 |
| EP0151654A3 EP0151654A3 (en) | 1985-12-27 |
Family
ID=6752784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP84100617A Withdrawn EP0151654A3 (en) | 1983-04-28 | 1984-01-20 | Device for connecting an exhaust gas hose to an exhaust, especially of an automobile |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0151654A3 (en) |
| DE (1) | DE8312498U1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0223510A1 (en) * | 1985-11-07 | 1987-05-27 | Christopher K. Rich | Couplings for connecting vehicle exhaust tail pipes to exhaust conduits for removing vehicle exhaust gases |
| EP0307522A1 (en) * | 1987-09-15 | 1989-03-22 | Allan Cameron Sr. | Apparatus for conducting hot gases from an exhaust pipe |
| DE4017545A1 (en) * | 1990-05-31 | 1991-12-05 | Bayerische Motoren Werke Ag | Exhaust gas hose connector esp. for testing - couples to vehicle exhaust system using sprung-steel adaptor with eccentric clamp |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2789841A (en) * | 1951-11-13 | 1957-04-23 | Vance M Kramer | Flexible reducer boot |
| US2990198A (en) * | 1958-01-27 | 1961-06-27 | Car Mon Products Company | Magnetic adaptor for an exhaust pipe |
-
1983
- 1983-04-28 DE DE19838312498U patent/DE8312498U1/en not_active Expired
-
1984
- 1984-01-20 EP EP84100617A patent/EP0151654A3/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2789841A (en) * | 1951-11-13 | 1957-04-23 | Vance M Kramer | Flexible reducer boot |
| US2990198A (en) * | 1958-01-27 | 1961-06-27 | Car Mon Products Company | Magnetic adaptor for an exhaust pipe |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0223510A1 (en) * | 1985-11-07 | 1987-05-27 | Christopher K. Rich | Couplings for connecting vehicle exhaust tail pipes to exhaust conduits for removing vehicle exhaust gases |
| EP0307522A1 (en) * | 1987-09-15 | 1989-03-22 | Allan Cameron Sr. | Apparatus for conducting hot gases from an exhaust pipe |
| DE4017545A1 (en) * | 1990-05-31 | 1991-12-05 | Bayerische Motoren Werke Ag | Exhaust gas hose connector esp. for testing - couples to vehicle exhaust system using sprung-steel adaptor with eccentric clamp |
| DE4017545C2 (en) * | 1990-05-31 | 1998-11-12 | Bayerische Motoren Werke Ag | Device for connecting an exhaust hose |
Also Published As
| Publication number | Publication date |
|---|---|
| DE8312498U1 (en) | 1983-09-22 |
| EP0151654A3 (en) | 1985-12-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
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| AK | Designated contracting states |
Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
| 17P | Request for examination filed |
Effective date: 19851130 |
|
| 17Q | First examination report despatched |
Effective date: 19860915 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 19870126 |