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WO2018210622A1 - Dispositif de raccordement - Google Patents

Dispositif de raccordement Download PDF

Info

Publication number
WO2018210622A1
WO2018210622A1 PCT/EP2018/061815 EP2018061815W WO2018210622A1 WO 2018210622 A1 WO2018210622 A1 WO 2018210622A1 EP 2018061815 W EP2018061815 W EP 2018061815W WO 2018210622 A1 WO2018210622 A1 WO 2018210622A1
Authority
WO
WIPO (PCT)
Prior art keywords
control
line
slope
release
pliers
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
Application number
PCT/EP2018/061815
Other languages
German (de)
English (en)
Inventor
Bernhard Müller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eisele Pneumatics GmbH and Co KG
Original Assignee
Eisele Pneumatics GmbH and Co KG
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 Eisele Pneumatics GmbH and Co KG filed Critical Eisele Pneumatics GmbH and Co KG
Publication of WO2018210622A1 publication Critical patent/WO2018210622A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • 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
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/092—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector
    • F16L37/0925—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector with rings which bite into the wall of the pipe
    • 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
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/092—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector
    • F16L37/0927—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector the wedge element being axially displaceable for releasing the coupling
    • 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
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/091—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a ring provided with teeth or fingers
    • F16L37/0915—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a ring provided with teeth or fingers with a separate member for releasing the coupling

Definitions

  • the invention relates to a connection device for at least one fluid-carrying line, in particular in the form of a compressed air hose, for connection to a connection housing carrying the same fluid, which has a collet, the individual pliers parts of which are hingedly and movably connected to a connection part.
  • a connection device for at least one fluid-carrying line in particular in the form of a compressed air hose, for connection to a connection housing carrying the same fluid, which has a collet, the individual pliers parts of which are hingedly and movably connected to a connection part.
  • connection devices of this type commonly referred to as plug-in connections with release sleeve and seal are state of the art.
  • the Applicant's product publication entitled “Eisele Basic Line Catalog Program” shows a connection device of this type in the form of angled connection on the catalog page 1 06.
  • Such connection devices permit simple and rapid assembly and disassembly of compressed air hoses without suitable tools depending on the material used in the hoses, for increased working pressures and larger temperature ranges.
  • the invention has the object to provide a connection device of the type mentioned, which, while maintaining the advantages of the prior art, characterized by a further improved safety in terms of operation and operation.
  • connection device having the features of claim 1 in its entirety.
  • a wesentl Ie special feature of the invention is that the sealing device acts on the connecting part of the collet and that the pliers parts by means of a control device in the connection housing upon actuation of the release device in the direction of the sealing device from its fixed position reach into its release position.
  • the hose is inserted for mounting in the connection housing, while the clamp parts rest under spring force on the hose outside.
  • the retaining claws of the pliers parts thereby generate scratch marks on the outside of the hose, so that, in particular during repeated assembly operations, the structure of the hose is considerably impaired.
  • control device in the connection housing on a control chamber whose axial extent is dimensioned parallel to the respective displacement direction of the line such that a control part of each assignable pliers part in an end-to-end contact with a boundary wall of the control chamber determines the line and in an opposite end-side conditioning at a further boundary wall of the control chamber releases the line.
  • the arrangement can be made such that the respective control parts for the opposite end systems a first control slope, which brings with increasing investment with a first guide slope on the other boundary wall of the control chamber each assignable Zangenteil against its spring tension in the release position, and have a second control slope, which brings with the progress of investment with the first boundary wall the respectively assignable pliers part in the specified position.
  • the pliers parts While in the known device, the pliers parts are biased only by their spring force in the fixed position, in the invention, the pliers are forced by the interaction with the first boundary wall of the control chamber forcibly in the Festlegewolf so that the hose secured in the assembled state with reinforced holding force is.
  • the first and further boundary walls of the control chamber extend transversely to the direction of travel of the line, the first boundary wall extending to form the second guiding wall.
  • the inclination of the first guide slope of the boundary wall of the control chamber seen in the direction of the line, be chosen lower than the inclination of the first control slope of the respective control part, so that a line contact between the first guide slope and the first control slope is ermögl light.
  • the resulting reduction in friction leads to a reduction in the actuation force which is to be applied when the release device is actuated, so that disassembly operations can take place without high loading of the sealing device.
  • an engagement lug which project, starting from the control part, in the direction of the receiving channel for the line within the terminal housing and the progress of investment of the second control slope engage firmly fixing at the second guide slope in the line.
  • connection housing is formed in advantageous embodiments such that the control chamber, bounded by a passage, an actuating chamber within the connection housing then flows, which is penetrated by the pliers parts and slidably receiving the end-side connecting part of the collet.
  • the axial length of the actuating chamber is selected parallel to the direction of displacement of the line such that upon displacement of the connecting part, the pliers parts with their respective arranged at the free end control parts reach the proposedod boundary walls of the control chamber to the plant.
  • the assembly process can be carried out in a particularly secure manner by the hose is used without damage in the front abutment position and reset from this position with actuated release device and thereby located in the release position Zangen matter.
  • About the entrainment of the connecting part of the collet not only the control parts are controlled in the Festlegewolf, but on the sealing device and the release device is reset from the operating position to the starting position.
  • the release device consists of a cap-like sleeve, which is guided longitudinally movable on the connection housing and this is inter-engaging in each of their Verfahr viteen in contact with the sealing device.
  • the arrangement is made such that in the unactuated state of the sleeve, this seen in the longitudinal direction of their possible two movements, a distance from the connection housing, which is sufficient to bring the respective control part of the pliers parts from its rear to its front stop position and vice versa ,
  • the sealing device consists in particularly advantageous embodiments of at least two sealing rings, which receive the respectively Include line and which are in permanent contact with each other between the release device and the collet within the connection housing.
  • FIG. 1 shows a connecting device according to the prior art, partly in longitudinal section and partly in side view
  • Fig. 2 is a longitudinal section of the embodiment of the connecting device according to the invention, wherein in the lower half of the figure, the fixing state and in the upper half of the figure, the state of the actuated release device with fully inserted line is dargestel lt; an enlarged partial presentation of the area indicated in Fig. 2 with I I I area.
  • Fig. 1 shows a connection device of the prior art in a so-called angular connection forming construction, in which the connection housing 2, a receiving channel 4 for a hose 6 at right angles to a connecting channel 8 extending in a provided with an external thread 10 connecting piece 1 2 is located. That with the Connecting piece 1 2 integral connection housing 2 consists of a metallic material such as brass. FIG.
  • FIG. 1 shows the hose 6 in a position completely inserted into the receiving channel 4, wherein the wall of the connecting housing 2 surrounding the receiving channel 4 rests on the outside diameter of the hose 6 within an end region 14 extending up to a step surface running in a radial plane 1 6, at which the connection housing 2 merges into a sleeve part 1 8, which extends at a distance from the outer diameter of the tube 6 along the receiving channel 4.
  • Starting from the step surface 1 6 runs the inside of the sleeve part 1 8 in a longitudinal section 20 Vietnamesezyl indric, which extends to an extension 22, starting from the starting the inner diameter of the sleeve member 18 to its free end back to the inner diameter of the Length section 20 is reduced.
  • a sealing ring 24 engaging on the step surface 16 is clamped by the connecting part 26, which forms a ring body, of a collet chuck.
  • the annular body of the connecting part 26 shall with its outer surface 28 on the inside of the longitudinal section 20 of the sleeve part 1 8 and goes on its inner circumferential surface in the according way with collets in a wreath resilient pliers parts 30, at the free end regions each a retaining lug 32 is located, which set by the bias of the pliers parts 30 as retaining claws the hose 6 against reset.
  • a release device in the form of a cap-like sleeve 34 is provided, which is guided displaceably on the outside of the sleeve member 18 of the connection housing 2 and on the side facing away from the connection housing 2 end portion has a control body 36 which the sleeve member 1 8 in a Distance from the free end 38 overlaps.
  • the control body 36 has an inclined surface 40 on which a sealing ring 42 abuts, which, moreover, also adjoins the inside of the sleeve part 18 and on one each further inclined surface 44 is supported, which are located at the engagement lugs 32 having ends of the pliers parts 30.
  • the release device is operable by moving the sleeve 34 for a disassembly, wherein from the inclined surface 40 of the sleeve 34 on the sealing ring 42, an actuation force and this in turn is transmitted to the inclined surfaces 44 of the pliers parts 30.
  • the inclined surfaces 40 and 44 running at the same inclination act as control surfaces which bring the ends of the pliers parts 30 with the engagement projections 32 against the spring tension into the release position for dismantling the hose 6.
  • FIGS. 2 and 3 illustrate the embodiment of the connecting device according to the invention, wherein for functionally matching parts in Figures 2 and 3, the same reference numerals as in Fig. 1 are used.
  • the statements made regarding the individual components also apply to the embodiment according to the invention according to FIGS. 2 and 3.
  • the connection device is designed as a straight connection, so that the receiving channel 4 of the connection housing 2 is rectilinear in the direction to the longitudinal axis 52 coaxial, only partially illustrated connecting piece 12 passes.
  • the terminal housing 2 is circular cylindrical in the inner end portion 14 for engagement with the outer diameter of the tube 6, and at this end portion 14 then sleeve member 18 continues to form a control chamber 54 with an expanded inner diameter.
  • an actuating chamber 58 which extends to the end 38 of the sleeve member 18 and is limited on the majority of its length by the circular cylindrical inner wall of the sleeve member 18.
  • This circular cylindrical course of the wall forms the displacement guide for the annular body of the connecting part 26 of the collet and for the control body 36 of the actuating sleeve 34, which with its sleeve part 18 transmits over its Cylindrical lateral surface 60 is guided on the cylindrical inner side of the sleeve member 18 so that it can assume the different axial positions shown in Figure 2, which correspond to the Festlegewolf or the release position.
  • the connecting part 26 of the collet with its outer circumferential surface 28 is guided on the inner circumferential surface of the sleeve member 18 movable.
  • two sealing rings 62 and 64 are chambered lying together.
  • the collet which according to the prior art has a ring of resilient pliers parts 30, extends with their engagement lugs 32 having ends in the control chamber 54.
  • control parts 66 which in cooperation with control beveled, which are formed on boundary walls of the control chamber 54, control the movement of the collet, the pliers parts 30 in the release position and in the Festlege ein.
  • the control parts 66 on a first control slope 68 which urges the pliers 30 against their spring tension in the release position by abutment against a first guide slope 70 on a boundary wall 72 of the control chamber 54.
  • the control parts 66 also have a further second control slope 74 which, in cooperation with a second guide slope 76 on a boundary wall 78 of the control chamber 54 controls the control parts 66 in their engaged position. This condition is shown in Fig.2 below.
  • the release device is actuated by the actuating sleeve 34 is shifted in Fig.2 to the left, wherein the control body 36 via the chambered sealing rings 62 and 64, the actuating force on the annular body of the connecting part 26 of the collet transfers.
  • the control parts 66 are forced by forced against the spring tension acting outwardly, so that the engagement lug 32 are located outside of the receiving channel 4 and thereby the tube 6 in the fully inserted position can be inserted, which is shown in Fig. 2 above without scratch marks on the tube 6 are generated during insertion.
  • the tube 6 is reset to the axial position shown in Fig. 2 below.
  • the frictional contact between the tube 6 and the connecting part 26 and the spring-applied pliers parts 30 takes the collet during the reset movement of the tube 6 in the position shown in Fig. 2 below, so that the control parts 66 with its slope 74 on the guide slope 76th start the control chamber 54 and thereby the control members 66 are forcibly controlled inwardly in its Festlege ein, the engagement lugs 32, as shown in Fig. 2 below, come into holding engagement with the tube 6.
  • the actuating sleeve 34 Upon reaching this setting position, the actuating sleeve 34, which is entrained to the right via the sealing rings 62, 64, comes with an end hook portion 80 into contact with a projection 82 on the sleeve part 18, so that the sleeve 34 is secured against removal to the outside.
  • the sealing rings 62, 64 may be formed from a fluororubber (FPM), such as Viton®.
  • FPM fluororubber
  • Viton® As a material for to be connected compressed air hoses 6 materials such as polyethylene (PE), polyamide (PA) or polyurethane (PU) are advantageously suitable.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

L'invention concerne un dispositif de raccordement conçu pour au moins une conduite (6) conductrice de fluide, se présentant en particulier sous la forme d'un flexible à air comprimé, à raccorder à un boîtier de raccordement (2) conduisant le même fluide et équipé d'une pince de serrage, dont les parties de pince (30) individuelles, qui sont articulées sur une pièce de raccordement (26) de manière à pouvoir être déplacées de façon élastique, maintiennent, dans leur position de blocage, la conduite (6) pouvant être reçue dans le boîtier de raccordement (2) et qui, au moyen d'un dispositif de libération (34), parviennent à leur position de libération qui libère la conduite (6), et comprenant un dispositif d'étanchéité (62, 64) permettant au dispositif de libération (34), lors de son actionnement, d'exercer une force d'actionnement sur la pince de serrage, pour faire passer les parties de pince (30) individuelles de leur position de blocage à leur position de libération. Cette invention est caractérisée en ce que le dispositif d'étanchéité (62, 64) agit sur la pièce de raccordement (26) de la pince de serrage et en ce que les parties de pince (30) passent de leur position de blocage à leur position de libération au moyen d'un dispositif de commande (54, 70, 76) dans le boîtier de raccordement (2), par actionnement du dispositif de libération (34) en direction du dispositif d'étanchéité (62, 64).
PCT/EP2018/061815 2017-05-16 2018-05-08 Dispositif de raccordement Ceased WO2018210622A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017004982.3A DE102017004982A1 (de) 2017-05-16 2017-05-16 Anschlussvorrichtung
DE102017004982.3 2017-05-16

Publications (1)

Publication Number Publication Date
WO2018210622A1 true WO2018210622A1 (fr) 2018-11-22

Family

ID=62143156

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/061815 Ceased WO2018210622A1 (fr) 2017-05-16 2018-05-08 Dispositif de raccordement

Country Status (2)

Country Link
DE (1) DE102017004982A1 (fr)
WO (1) WO2018210622A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180266603A1 (en) * 2015-09-25 2018-09-20 Camozzi Automation S.p.A. Quick-fit connector for pneumatic equipment
GB2621867A (en) * 2022-08-25 2024-02-28 Reliance Worldwide Corporation Uk Ltd A tube connector

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2245671A (en) * 1990-07-07 1992-01-08 Ford Motor Co A pipe coupling with frictional engagement to lift collet teeth clear of pipe during insertion
EP1354163A1 (fr) * 2001-01-25 2003-10-22 Martin Biermann Dispositif de raccordement desserrable a une extremite d'un conduite tubulaire, en particulier raccord rapide
US20080018106A1 (en) * 2003-06-23 2008-01-24 Zdravko Paluncic Connecting device for a pipe or similar
WO2010055222A1 (fr) * 2008-11-14 2010-05-20 Legris Sas Dispositif de raccordement ayant des zones inversees d'etancheite et d'accrochage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3813192A1 (de) * 1988-04-20 1989-11-02 Rasmussen Gmbh Steckkupplung zum verbinden eines schlauches mit einem rohr
DE10037063A1 (de) * 2000-07-29 2002-02-07 Daimler Chrysler Ag Steckkupplung, in Rohr-und /oder Schlauchverbindungen
DE102009015640A1 (de) * 2009-03-23 2010-09-30 Eisele Pneumatics Gmbh & Co. Kg Vorrichtung zum lösbaren Verbinden mit einem Ende einer röhrenartigen Leitung, insbesondere Schlauch-Schnellverbinder

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2245671A (en) * 1990-07-07 1992-01-08 Ford Motor Co A pipe coupling with frictional engagement to lift collet teeth clear of pipe during insertion
EP1354163A1 (fr) * 2001-01-25 2003-10-22 Martin Biermann Dispositif de raccordement desserrable a une extremite d'un conduite tubulaire, en particulier raccord rapide
US20080018106A1 (en) * 2003-06-23 2008-01-24 Zdravko Paluncic Connecting device for a pipe or similar
WO2010055222A1 (fr) * 2008-11-14 2010-05-20 Legris Sas Dispositif de raccordement ayant des zones inversees d'etancheite et d'accrochage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180266603A1 (en) * 2015-09-25 2018-09-20 Camozzi Automation S.p.A. Quick-fit connector for pneumatic equipment
GB2621867A (en) * 2022-08-25 2024-02-28 Reliance Worldwide Corporation Uk Ltd A tube connector

Also Published As

Publication number Publication date
DE102017004982A1 (de) 2018-11-22

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