DE102007046203A1 - Connecting arrangement for connecting front ends of pipe line to distributor of fuel or hydraulic system, has nut pressing during tightening against pressing surface, where sealing surface and pressing surface have center of curvature - Google Patents
Connecting arrangement for connecting front ends of pipe line to distributor of fuel or hydraulic system, has nut pressing during tightening against pressing surface, where sealing surface and pressing surface have center of curvature Download PDFInfo
- Publication number
- DE102007046203A1 DE102007046203A1 DE200710046203 DE102007046203A DE102007046203A1 DE 102007046203 A1 DE102007046203 A1 DE 102007046203A1 DE 200710046203 DE200710046203 DE 200710046203 DE 102007046203 A DE102007046203 A DE 102007046203A DE 102007046203 A1 DE102007046203 A1 DE 102007046203A1
- Authority
- DE
- Germany
- Prior art keywords
- sealing
- curvature
- connecting arrangement
- curved
- sealing surface
- 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.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/025—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges
- F16L19/028—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges the collars or flanges being obtained by deformation of the pipe wall
- F16L19/0283—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges the collars or flanges being obtained by deformation of the pipe wall and having a bell-mouthed shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/004—Joints; Sealings
- F02M55/005—Joints; Sealings for high pressure conduits, e.g. connected to pump outlet or to injector inlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
- F02M55/025—Common rails
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/02—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
- F16L27/04—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces
- F16L27/047—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces held in place by a screwed member having an internal spherical surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/004—Joining to walls at other than 90 degrees
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Joints With Pressure Members (AREA)
Abstract
Description
Die Erfindung betrifft allgemein eine Verbindungsanordnung zum Verbinden eines Stirnendes einer Rohrleitung mit einem Hohlkörper und insbesondere mit einer weiteren Rohrleitung gemäss dem Oberbegriff des Anspruchs 1. Die Erfindung betrifft speziell eine Verbindungsanordnung, die zum Verbinden von Hochdruck- oder Niederdruck-Kraftstoffleitungen einer Otto-Brennkraftmaschine geeignet ist und einen gewissen Winkelausgleich zwischen der Längsachse des Stirnendes der Rohrleitung und der Längsachse des Gewindestutzens ermöglicht.The This invention relates generally to a connection assembly for connection a front end of a pipe with a hollow body and in particular with a further pipeline according to the preamble of the claim 1. The invention relates specifically to a connection arrangement, the for connecting high-pressure or low-pressure fuel lines of an Otto internal combustion engine is suitable and a certain angle compensation between the longitudinal axis the front end of the pipe and the longitudinal axis of the threaded nozzle allows.
Eine
Verbindungsanordnung der eingangs genannten Art zum Anschluss einer
Rohrleitung an einen Verteiler von Kraftstoff- oder Hydrauliksystemen
ist aus der
Ausgehend hiervon liegt der Erfindung die Aufgabe zugrunde, eine Verbindungsanordnung der eingangs genannten Art dahingehend zu verbessern, dass Undichtigkeiten bzw. Spannungen vermieden werden können.outgoing This is the object of the invention, a connection arrangement of the type mentioned above to improve that leaks or voltages can be avoided.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass die gekrümmte Andruckfläche und die gekrümmte Dichtfläche einen gemeinsamen Krümmungsmittelpunkt aufweisen. Der auf der Längsachse des Stirnendes der Rohrleitung angeordnete gemeinsame Krümmungsmittelpunkt bewirkt, dass sich die Dichtfläche und die Andruckfläche um ihren gemeinsamen Krümmungsmittelpunkt als Drehpunkt drehen können, ohne dass sich die Flächenpressung entlang des ringförmigen Kontakts zwischen der Dichtfläche und dem Dichtsitz oder die Flächenpressung entlang des ringförmigen Kontakts zwischen der Andruckfläche und einer gegenüberliegenden Oberfläche der Überwurfmutter verändert, wenn infolge einer nicht-fluchtenden Ausrichtung der Längsachsen des Stirnendes der Rohrleitung und des Gewindestutzens ein Winkelausgleich erforderlich ist.These Task is inventively characterized solved, that the curved one pressure surface and the curved ones sealing surface a common center of curvature exhibit. The on the longitudinal axis the common end of the pipe arranged center of curvature causes the sealing surface and the pressure surface around their common center of curvature as Can turn the fulcrum, without the surface pressure along the annular Contact between the sealing surface and the sealing seat or the surface pressure along the annular Contact between the pressure surface and one opposite surface the union nut changed if due to a misalignment of the longitudinal axes the front end of the pipe and the threaded connector an angle compensation is required.
Bei der erfindungsgemäßen Verbindungsanordnung kann daher ein erheblich größerer Winkel als bei der bekannten Verbindungsanordnung ausgeglichen werden, ohne dass es zu Spannungen in der Verbindungsanordnung kommt bzw. deren Dichtigkeit beeinträchtigt wird.at the connection arrangement according to the invention can therefore a much larger angle than be compensated in the known connection arrangement, without that there are tensions in the connection arrangement or their Tightness affected becomes.
Vorzugsweise sind die gekrümmte Dichtfläche und die gekrümmte Andruckfläche kugelsegmentförmige bzw. teilsphärische Flächen, deren jeweiliger Krümmungsradius über die Dichtfläche bzw. über die Andruckfläche hinweg gleich ist.Preferably are the curved ones sealing surface and the curved ones pressure surface spherical segment or part-spherical surfaces, their respective radius of curvature over the sealing surface or over the pressure surface is the same.
Gemäß einer vorteilhaften Ausgestaltung der Erfindung weist sowohl der Dichtsitz des Gewindestutzens als auch die gegen die Andruckfläche anliegende Oberfläche der Überwurfmutter eine konische Form auf, so dass sowohl zwischen Dichtfläche und Dichtsitz als auch zwischen Andruckfläche und Überwurfmutter ein ringförmiger Linienkontakt geschaffen wird.According to one advantageous embodiment of the invention, both the sealing seat of the threaded neck as well as against the pressure surface fitting surface the union nut a conical shape so that both between sealing surface and Sealing seat as well as between pressure surface and union nut an annular line contact is created.
Eine bevorzugte Ausgestaltung der Erfindung sieht vor, dass der Krümmungsradius der Dichtfläche kleiner als der Krümmungsradius der Andruckfläche ist, wodurch die zwischen der Dichtfläche und dem Dichtsitz wirkenden Flächenpressung größer als die Flächenpressung zwischen der Überwurfmutter und der Andruckfläche wird und somit eine Druckverstärkung erreicht wird.A preferred embodiment of the invention provides that the radius of curvature the sealing surface smaller than the radius of curvature the pressure surface is, whereby the acting between the sealing surface and the sealing seat surface pressure bigger than that surface pressure between the union nut and the pressure surface and thus a pressure boost is reached.
Vorzugsweise ist das Verhältnis des Krümmungsradius der Dichtfläche zum Krümmungsradius der Andruckfläche größer als 1,1.Preferably is the relationship the radius of curvature the sealing surface to the radius of curvature of pressure surface greater than 1.1.
Zur Ausbildung der Dichtfläche und der Andruckfläche wird das Stirnende der Rohrleitung zweckmäßig von einem Dichtkopf gebildet, der zum Beispiel durch Löten starr mit einem angrenzenden Abschnitt der Rohrleitung verbunden und mit der Dichtfläche sowie mit der Anlagefläche versehen ist, von denen die letztere zweckmäßig auf einer vom Rohrstutzen abgewandten Seite des Dichtkopfs ausgebildet ist.To form the sealing surface and the pressure surface, the front end of the pipeline is expediently formed by a sealing head which, for example, by soldering rigidly with an adjacent Section of the pipe connected and provided with the sealing surface and with the contact surface, of which the latter is expediently formed on a side facing away from the pipe socket side of the sealing head.
Im folgenden wird die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Die einzige Figur zeigt eine Querschnittsansicht einer erfindungsgemäßen Verbindungsanordnung.in the The following is the invention with reference to an illustrated in the drawing embodiment explained in more detail. The single figure shows a cross-sectional view of a connection arrangement according to the invention.
Die
in der Zeichnung dargestellte Verbindungsanordnung
Zum
Anschließen
der Rohrleitung
Das
Stirnende
Die
beiden kugelsegmentförmigen
oder teilsphärischen
Flächen
Die
mit einem Außensechskant
versehene Überwurfmutter
- 11
- Verbindungsanordnungjoint assembly
- 22
- Stirnende Rohrleitungfront end pipeline
- 33
- Rohrleitungpipeline
- 44
- Abschnitt Hoch- oder Niederdruckleitungsection High or low pressure line
- 55
- Hoch- oder NiederdruckleitungHigh- or low pressure line
- 66
- Wand Hoch- oder Niederdruckleitungwall High or low pressure line
- 77
- Bohrungdrilling
- 88th
- Anschlussstutzenspigot
- 99
- Durchtrittsöffnung AnschlussstutzenPassage opening connecting piece
- 1010
- Dichtsitzsealing seat
- 1111
- Außengewindeexternal thread
- 1212
- ÜberwurfmutterNut
- 1313
- Innengewindeinner thread
- 1414
- Dichtkopfsealing head
- 1515
- Anschlussmuffecoupling bush
- 1616
- RohrleitungsendabschnittPipeline end section
- 1717
- DurchgangsöffnungThrough opening
- 1818
- erweitertes Stirnende des Dichtkopfsexpanded Front end of the sealing head
- 1919
- Andruckflächepressure surface
- 2020
- Dichtflächesealing surface
- 2121
- Schultershoulder
- 2222
- Längsachse Dichtkopflongitudinal axis sealing head
- 2323
- DurchtrittsöffnungThrough opening
- 2424
- Mittelteil Dichtkopfmidsection sealing head
- 2525
- Längsachse Anschlussstutzenlongitudinal axis spigot
- 2626
- konische Schulterfläche der Überwurfmutterconical shoulder surface the union nut
- 2727
- Konusfläche des DichtsitzesCone surface of the sealing seat
- MM
- KrümmungsmittelpunktCenter of curvature
- R1R1
- Radius Andruckflächeradius pressure surface
- R2R2
- Radius Dichtflächeradius sealing surface
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200710046203 DE102007046203A1 (en) | 2007-09-27 | 2007-09-27 | Connecting arrangement for connecting front ends of pipe line to distributor of fuel or hydraulic system, has nut pressing during tightening against pressing surface, where sealing surface and pressing surface have center of curvature |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200710046203 DE102007046203A1 (en) | 2007-09-27 | 2007-09-27 | Connecting arrangement for connecting front ends of pipe line to distributor of fuel or hydraulic system, has nut pressing during tightening against pressing surface, where sealing surface and pressing surface have center of curvature |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102007046203A1 true DE102007046203A1 (en) | 2008-05-15 |
Family
ID=39277833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200710046203 Ceased DE102007046203A1 (en) | 2007-09-27 | 2007-09-27 | Connecting arrangement for connecting front ends of pipe line to distributor of fuel or hydraulic system, has nut pressing during tightening against pressing surface, where sealing surface and pressing surface have center of curvature |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102007046203A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2275609A1 (en) * | 2009-04-03 | 2011-01-19 | Oras Oy | Pipe coupler |
CN102095031A (en) * | 2009-11-20 | 2011-06-15 | 三樱工业株式会社 | Pipe fastening structure |
DE102010044398A1 (en) * | 2010-09-04 | 2012-03-08 | Parker Hannifin Gmbh | High pressure-sealed connection device for e.g. pipelines, has front section lying at curved inner surface of support of screwing body in angled positions of body and pipe end and sliding during pivoting of pipe end and body |
CN105202289A (en) * | 2015-09-01 | 2015-12-30 | 浙江庆发管业科技有限公司 | Universal drainage assembly with strong earthquake resistance for buildings |
EP2963323A1 (en) * | 2014-07-02 | 2016-01-06 | SchmitterGroup AG | Pipe connector |
CN106089525A (en) * | 2016-08-23 | 2016-11-09 | 力帆实业(集团)股份有限公司 | Motorcycle with electronic fuel injection system single channel oil rail |
WO2018078978A1 (en) | 2016-10-31 | 2018-05-03 | 三桜工業株式会社 | Fuel pipe |
US10001231B2 (en) | 2013-07-25 | 2018-06-19 | Mann+Hummel Gmbh | Coupling arrangement for pipelines |
US10436360B2 (en) | 2015-01-19 | 2019-10-08 | Mann+Hummel Gmbh | Articulated assembly for pipelines |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2631984A1 (en) * | 1976-07-16 | 1978-01-19 | Schenk Horst | Screw coupling with welding nozzle for pipework - has nozzle thicker part contacting sealed spherical seat in socket |
GB2021720A (en) * | 1978-05-29 | 1979-12-05 | Fiat Veicoli Ind | A metal pipe for supplying fuel to an internal combustion engine fuel valve |
DE4407306C1 (en) * | 1994-03-04 | 1995-09-07 | Guido Juergen Dipl Ing | Pressure pipe connection for fuel injection system |
DE29716930U1 (en) * | 1997-09-06 | 1997-12-04 | Hesseln Joerg | Swiveling pipe and hose line connection |
DE19840097A1 (en) * | 1997-09-06 | 1999-05-27 | Joerg Hesseln | Pivotable connection for pipe and hose conduits |
DE10213444A1 (en) * | 2002-03-26 | 2003-10-16 | Ottmar Entner | Articulated coolant pipe |
DE102005003519A1 (en) * | 2005-01-25 | 2006-08-03 | Benteler Automobiltechnik Gmbh | Connecting arrangement for pipes |
DE102006025132A1 (en) * | 2005-06-15 | 2007-02-08 | GM Global Technology Operations, Inc., Detroit | End fitting and method for a high pressure fuel line |
DE102005045731A1 (en) * | 2005-09-23 | 2007-04-12 | Benteler Automobiltechnik Gmbh | Connecting device for connecting high pressure line for gasoline joins pipe to connecting support |
-
2007
- 2007-09-27 DE DE200710046203 patent/DE102007046203A1/en not_active Ceased
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2631984A1 (en) * | 1976-07-16 | 1978-01-19 | Schenk Horst | Screw coupling with welding nozzle for pipework - has nozzle thicker part contacting sealed spherical seat in socket |
GB2021720A (en) * | 1978-05-29 | 1979-12-05 | Fiat Veicoli Ind | A metal pipe for supplying fuel to an internal combustion engine fuel valve |
DE4407306C1 (en) * | 1994-03-04 | 1995-09-07 | Guido Juergen Dipl Ing | Pressure pipe connection for fuel injection system |
DE29716930U1 (en) * | 1997-09-06 | 1997-12-04 | Hesseln Joerg | Swiveling pipe and hose line connection |
DE19840097A1 (en) * | 1997-09-06 | 1999-05-27 | Joerg Hesseln | Pivotable connection for pipe and hose conduits |
DE10213444A1 (en) * | 2002-03-26 | 2003-10-16 | Ottmar Entner | Articulated coolant pipe |
DE102005003519A1 (en) * | 2005-01-25 | 2006-08-03 | Benteler Automobiltechnik Gmbh | Connecting arrangement for pipes |
DE102006025132A1 (en) * | 2005-06-15 | 2007-02-08 | GM Global Technology Operations, Inc., Detroit | End fitting and method for a high pressure fuel line |
DE102005045731A1 (en) * | 2005-09-23 | 2007-04-12 | Benteler Automobiltechnik Gmbh | Connecting device for connecting high pressure line for gasoline joins pipe to connecting support |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2275609A1 (en) * | 2009-04-03 | 2011-01-19 | Oras Oy | Pipe coupler |
CN102095031B (en) * | 2009-11-20 | 2014-12-10 | 三樱工业株式会社 | Pipe fastening structure |
CN102095031A (en) * | 2009-11-20 | 2011-06-15 | 三樱工业株式会社 | Pipe fastening structure |
EP2333299A1 (en) * | 2009-11-20 | 2011-06-15 | Sanoh Kogyo Kabushiki Kaisha | Pipe fastening structure |
US9004542B2 (en) | 2009-11-20 | 2015-04-14 | Sanoh Kogyo Kabushiki Kaisha | Pipe fastening structure |
DE102010044398A1 (en) * | 2010-09-04 | 2012-03-08 | Parker Hannifin Gmbh | High pressure-sealed connection device for e.g. pipelines, has front section lying at curved inner surface of support of screwing body in angled positions of body and pipe end and sliding during pivoting of pipe end and body |
DE102010044398B4 (en) * | 2010-09-04 | 2012-04-26 | Parker Hannifin Gmbh | Deflectable high pressure resistant pipe connection device |
US10001231B2 (en) | 2013-07-25 | 2018-06-19 | Mann+Hummel Gmbh | Coupling arrangement for pipelines |
EP2963323A1 (en) * | 2014-07-02 | 2016-01-06 | SchmitterGroup AG | Pipe connector |
US10436360B2 (en) | 2015-01-19 | 2019-10-08 | Mann+Hummel Gmbh | Articulated assembly for pipelines |
CN105202289A (en) * | 2015-09-01 | 2015-12-30 | 浙江庆发管业科技有限公司 | Universal drainage assembly with strong earthquake resistance for buildings |
CN106089525A (en) * | 2016-08-23 | 2016-11-09 | 力帆实业(集团)股份有限公司 | Motorcycle with electronic fuel injection system single channel oil rail |
CN106089525B (en) * | 2016-08-23 | 2018-08-07 | 力帆实业(集团)股份有限公司 | Motorcycle with electronic fuel injection system single channel oil rail |
WO2018078978A1 (en) | 2016-10-31 | 2018-05-03 | 三桜工業株式会社 | Fuel pipe |
US11143152B2 (en) | 2016-10-31 | 2021-10-12 | Sanoh Industrial Co., Ltd. | Fuel pipe |
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Legal Events
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---|---|---|---|
OAV | Applicant agreed to the publication of the unexamined application as to paragraph 31 lit. 2 z1 | ||
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8131 | Rejection |