WO2012034572A1 - Raccord de tube pour relier des tubes à joint étanche aux fluides - Google Patents

Raccord de tube pour relier des tubes à joint étanche aux fluides Download PDF

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Publication number
WO2012034572A1
WO2012034572A1 PCT/EP2010/005650 EP2010005650W WO2012034572A1 WO 2012034572 A1 WO2012034572 A1 WO 2012034572A1 EP 2010005650 W EP2010005650 W EP 2010005650W WO 2012034572 A1 WO2012034572 A1 WO 2012034572A1
Authority
WO
WIPO (PCT)
Prior art keywords
pipe connector
pipe
connector according
ring
pipes
Prior art date
Application number
PCT/EP2010/005650
Other languages
German (de)
English (en)
Inventor
Karl Amft
Original Assignee
Karl Amft
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Karl Amft filed Critical Karl Amft
Priority to PCT/EP2010/005650 priority Critical patent/WO2012034572A1/fr
Publication of WO2012034572A1 publication Critical patent/WO2012034572A1/fr

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
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/033—Noise absorbers
    • F16L55/0337—Noise absorbers by means of a flexible connection
    • 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
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F01N13/1811—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
    • F01N13/1816—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration the pipe sections being joined together by flexible tubular elements only, e.g. using bellows or strip-wound pipes
    • 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
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F01N13/1827—Sealings specially adapted for exhaust systems
    • 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
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/068—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces the packing swelling under working conditions
    • 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
    • F16L27/10—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations
    • F16L27/107—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations the ends of the pipe being interconnected by a flexible sleeve
    • F16L27/11—Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations the ends of the pipe being interconnected by a flexible sleeve the sleeve having the form of a bellows with multiple corrugations
    • 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
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/10—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using a rotary external sleeve or ring on one part
    • F16L37/107—Bayonet-type couplings
    • 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
    • F01N2310/00—Selection of sound absorbing or insulating material
    • F01N2310/08—Exfoliated vermiculite, e.g. zonolite, coke, pumice

Definitions

  • the invention relates to a pipe connector for the fluid-tight connection of pipes.
  • Such pipe connectors are used to connect the various components of motor vehicle exhaust systems, power plant piping systems and / or gas or oil pipeline systems.
  • a disadvantage of known pipe connections of this type are the flanges which are usually required,
  • the present invention seeks to provide a pipe connector for fluid-tight connection of pipes, which also meets increased demands on the fluid-tight connection between the pipe connector on the one hand and the pipes on the other hand with simplified installation.
  • the pipe connector has on its inner circumferential surface for each of the tubes to be joined together at least one closure member, which is engageable with an associated closure member at a pipe end of the pipe to be connected by means of the pipe connector, and in that the pipe connector has at its end portions in each case a radially outwardly projecting circumferential bead with a sealing function ring received in it, which expands at its first application of heat and is then constant in volume.
  • the assembly of the pipe connector can be realized by a few handles, with a comparatively lightweight design of the pipe connector is possible.
  • the sealing function ring can, for example and advantageous from a Dämm- or the like. Tissue be designed that expands at the first heat application, sealingly pressed against the outer surface of the pipe end and then volume constant.
  • the pipe connector according to the invention has a sealing function ring, which is formed of a suitable tissue and an expansion ring surrounded by this tissue, the material of which expands at its first heat application and is then constant in volume.
  • This heat application of the sealing function ring or of the expansion ring can take place after the pipe connector has been fitted with the closing pipes is joined together. Only then takes place heat application, the fluid-tight connection between the pipe connector on the one hand and the pipes on the other hand. The actual assembly process can be carried out unaffected by the required tightness between the components to be assembled.
  • a high-quality fluid-tight connection can be achieved if the material of the expansion ring has a large thermal expansion coefficient.
  • the material "silicate version" of Umformtec has been found.When the fabric surrounding the expansion ring is formed as a wire or steel mesh, the expanding material of the expansion ring can penetrate this or so strong against the Press the outer wall of the tube inserted in the pipe connector so that high demands are made on the fluid-tight connection.
  • the pipe connector has an elastic bellows portion which is approximately between the closure members is arranged centrally in the pipe connector.
  • the bellows section can be of different lengths or made of different materials.
  • Each connection point of the pipe connector can have two or more pipe end-side closure members, in which case, of course, a corresponding number of pipe-end closure members is provided at the relevant pipe ends of the pipes to be joined together.
  • the closure members are distributed according to the circumference of the pipe connector or the pipe end.
  • closure members may advantageously be designed as bayonet closure members.
  • tubular connector side bayonet closure members can be formed as radially inwardly projecting projection elements, which are engageable with rohrend constitutionalen, widening at its rohrendfernen end slots for rotationally and ausziehfesten connection of the tube with the pipe connector into engagement.
  • the tubular end-side slots in the tube ends can advantageously have an L-shape.
  • the tubular connector-side bayonet closure members may be formed as radially inwardly projecting, widening at its rohrverbinderend solution end projection elements which are provided with pipe-side slots for rotary and ausziehfesten connection of the tube with the pipe connector can be brought into engagement, wherein the rohrverbinderseit igen projection elements can then advantageously have L-shape.
  • the pipe end (s) of the pipe or pipes is / are firmly connected to the pipe connector by means of an at least simple pin crimp connection, preferably a double pin crimp connection. riveted.
  • the pipe connector according to the invention can be used particularly advantageously for the assembly of a Kraft mecanicauspuffanläge.
  • the material of the expansion ring can then be selected so that it has a large coefficient of thermal expansion in the temperature range that the exhaust gases of the motor vehicle engine usually have, so that at the initial thermal loading of the sealing function ring a particularly high-quality fluid-tight connection between the pipe connector on the one hand and the other components of Kraft mecanicauspuffanläge other hand.
  • the volume constancy of the once expanded material of the expansion ring is then guaranteed up to a temperature of 1000 to 1200 degrees C, resulting in a high reliability of the pipe connector according to the invention.
  • the thermal actuation of the sealing functional ring is realized after assembly of the pipe ⁇ connector in a further process step, in which the sealing function ring from the outside of the pipe connector ago Heat is applied.
  • Figure 1 shows a first embodiment of an inventive
  • Figure 2 shows a second embodiment of the invention
  • Figure 3 shows a third embodiment of an inventive
  • Pipe connector to be coupled pipe.
  • a pipe connector 1 according to the invention shown in different embodiments in FIGS. 1 to 3 serves to connect pipes 2 to one another, wherein the connection is made fluid-tight.
  • the embodiment of the pipe connector 1 according to the invention shown in Figure 1 has a cylindrical pipe body 4, in whose open ends in each case the pipe end 3 of a tube 2 can be inserted, as shown in Figure 3.
  • the pipe connector 1 has in each case a peripheral bead 5, which projects outward from the pipe body 4 in the radial direction.
  • the circumferential bead 5 serves to receive a sealing functional ring 6, by means of which the fluid-tight seal Bond between the tubes 2 on the one hand and the pipe connector 1 on the other hand is guaranteed.
  • the sealing function ring 6 is configured in two parts in the illustrated embodiment. It includes an expansion ring 7 and a surrounding this expansion ring 7 tissue 8, which is a fine wire or steel fabric or the like. can act.
  • the expansion ring 7 is formed of a material which expands at its first application of heat or thermal energy and which is volume constant after this first expansion.
  • This may be, for example, the material "silicate version” from Umformtec, which expands the sealing function ring 6 with its inner circumference in a fluid-tight manner to the outer circumferential surface of the pipe end 3 inserted in the pipe connector 1
  • the material forming the expansion ring 7 can penetrate the fabric 8 surrounding the expansion ring 7 and seal with the fabric 8 against the outer jacket surface of the pipe end 3 or press the fabric 8 in a fluid-tight manner against the outer jacket surface of the pipe end 3 ,
  • the pipe connector 1 is provided with bayonet closure members 9, 10, wherein the bayonet closure member 9 is assigned to the pipe 2 to be coupled on the left in FIG. 1 and the bayonet closure member 10 to the pipe 2 to be coupled on the right in FIG.
  • the bayonet closure member 9 is assigned to the pipe 2 to be coupled on the left in FIG. 1
  • the bayonet closure member 10 to the pipe 2 to be coupled on the right in FIG.
  • several tubular connector-side bayonet closure members 9 and right several tubular connector-side bayonet closure members 10th be provided, in which case in the pipe ends 3 of the respective pipes to be connected 2, a corresponding number of rohrend- side bayonet closure members 11 are provided, one of which is shown in Figure 3.
  • tubular connector side bayonet closure member 9 as from the réellemantelflä surface of the pipe connector radially inwardly projecting projecting element 9 is formed.
  • This radially inwardly projecting protruding element 9 of the pipe connector 1 is the embodiment shown in Figure 3, for example, as L-shaped slot 11 formed rohrendseiti ge bayonet lock member 11 assigned.
  • L-shaped slot 11 formed rohrendseiti ge bayonet lock member 11 assigned.
  • the tubular connector-side projection element 9 is fixed by means of a constriction 14 which can easily overcome the projection element 9 when penetrating into the extension 13, but which prevents an exit of the projection element 9 from the extension 13.
  • a plurality of tubular-connector-side bayonet closure members 9 and 10, respectively, and correspondingly a plurality of tubular-end side jonet closure members 11 may be provided for each connection point of the pipe connector 1.
  • the pipe connector 1 is provided with a comparatively elastic bellows section 15.
  • the thermal actuation of the sealing function ring 6 takes place during the commissioning of the motor vehicle engine.
  • the expansion ring 7 and the material forming this expands, whereby in the manner described above, a fluid-tight connection between the pipe connector 1 on the one hand and the inserted pipe end 3 of the tube 2 is secured.
  • the abovementioned material of the expansion ring 7 has a high coefficient of thermal expansion in the region of the exhaust gas temperatures occurring in exhaust systems of motor vehicles, wherein this material then remains constant in volume after its volumetric expansion at the first application of thermal energy, in a temperature range up to to 1000 to 1200 degrees C.
  • the pipe connector 1 When the pipe connector 1 is used for power plant piping, gas or oil pipelines, in the production of the connection between two tubes 2 by means of the pipe connector 1 whose sealing function ring is acted upon by heat energy from its outer side, so as to provide a fluid-tight connection between the pipe connector 1 ne anniversary and to ensure the other means of the pipe connector 1 to be connected pipes 2.
  • the properties of the expansion ring 7 forming material can be selected or adjusted.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Joints Allowing Movement (AREA)

Abstract

L'invention a pour but de simplifier le montage d'un tel raccord de tube (1), d'une part, et aussi pour garantir une liaison étanche aux fluides entre le raccord de tube (1) et les tubes (2) qui doivent y être raccordés. A cet effet, le raccord de tube (1) présente, sur sa surface périphérique intérieure, pour chacun des tubes (2) à relier entre eux, au moins un organe obturateur (9, 10) qui peut être mis en prise avec un organe obturateur (11) qui lui est associé, à une extrémité de tube (3) du tube (2) qu'il s'agit de relier au moyen du raccord de tube (1), et le raccord de tube (1) présente, à chacun de ses segments terminaux, un bourrelet périphérique (5) en saillie radiale vers l'extérieur, et une bague ayant une fonction d'étanchéité logée dans ce bourrelet qui se dilate lors de sa première exposition à la chaleur et reste ensuite à un volume constant.
PCT/EP2010/005650 2010-09-15 2010-09-15 Raccord de tube pour relier des tubes à joint étanche aux fluides WO2012034572A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2010/005650 WO2012034572A1 (fr) 2010-09-15 2010-09-15 Raccord de tube pour relier des tubes à joint étanche aux fluides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2010/005650 WO2012034572A1 (fr) 2010-09-15 2010-09-15 Raccord de tube pour relier des tubes à joint étanche aux fluides

Publications (1)

Publication Number Publication Date
WO2012034572A1 true WO2012034572A1 (fr) 2012-03-22

Family

ID=44146826

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/005650 WO2012034572A1 (fr) 2010-09-15 2010-09-15 Raccord de tube pour relier des tubes à joint étanche aux fluides

Country Status (1)

Country Link
WO (1) WO2012034572A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114876621A (zh) * 2022-05-20 2022-08-09 四川川环科技股份有限公司 Obd连接器、具有该obd连接器的排气管组合件及装配方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT389154B (de) * 1987-11-10 1989-10-25 Kuny Kaminbau Ing Fritz Baum & Muffenlose rohrsteckverbindung fuer duennwandige blechrohre
EP0713044A1 (fr) * 1994-11-21 1996-05-22 Etablissements Poujoulat Elément tubulaire soudé pour un conduit de gaz chaud, et son procédé de réalisation
DE102009031239A1 (de) * 2009-07-01 2011-01-05 Karl Amft Rohrverbinder zur fluiddichten Verbindung von Rohren

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT389154B (de) * 1987-11-10 1989-10-25 Kuny Kaminbau Ing Fritz Baum & Muffenlose rohrsteckverbindung fuer duennwandige blechrohre
EP0713044A1 (fr) * 1994-11-21 1996-05-22 Etablissements Poujoulat Elément tubulaire soudé pour un conduit de gaz chaud, et son procédé de réalisation
DE102009031239A1 (de) * 2009-07-01 2011-01-05 Karl Amft Rohrverbinder zur fluiddichten Verbindung von Rohren

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114876621A (zh) * 2022-05-20 2022-08-09 四川川环科技股份有限公司 Obd连接器、具有该obd连接器的排气管组合件及装配方法
CN114876621B (zh) * 2022-05-20 2024-01-26 四川川环科技股份有限公司 Obd连接器、具有该obd连接器的排气管组合件及装配方法

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