WO2017157383A1 - Ensemble connecteur - Google Patents

Ensemble connecteur Download PDF

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Publication number
WO2017157383A1
WO2017157383A1 PCT/DE2017/100188 DE2017100188W WO2017157383A1 WO 2017157383 A1 WO2017157383 A1 WO 2017157383A1 DE 2017100188 W DE2017100188 W DE 2017100188W WO 2017157383 A1 WO2017157383 A1 WO 2017157383A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
diameter
compression sleeve
assembly according
plastic
Prior art date
Application number
PCT/DE2017/100188
Other languages
German (de)
English (en)
Inventor
Mickael Pietak
Omar AKOUM
Philippe Wagner
Original Assignee
Schaeffler Technologies AG & 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 Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Priority to DE112017001309.7T priority Critical patent/DE112017001309A5/de
Publication of WO2017157383A1 publication Critical patent/WO2017157383A1/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
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/20—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members
    • F16L33/207—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose
    • F16L33/2071—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member

Definitions

  • the invention relates to a connector assembly having a fluid line end, which is connected by means of a compression sleeve with a connector end of a plastic connector, wherein the connector end of the plastic connector is provided in a connection region with a structure.
  • a connector for connecting two lines for guiding hydraulic fluid for a hydraulically actuated coupling system is known, wherein the connector has a first connection region for arranging and fixing a first line and wherein the connector has a second connection region to Arranging and fixing a second line, wherein the first connection region for forming a cohesive fixation of the first conduit is configured and wherein the second connection region for forming a positive fixation of the second conduit is formed, wherein the connector is molded from a plastic, wherein the second connection region is designed and structured to form a crimp connection.
  • the object of the invention is to provide a connector arrangement with a fluid line end, which is connected by means of a compression sleeve with a connector end of a plastic connector, wherein the connector end of the plastic connector is provided in a connection area with a structure to provide, which is inexpensive to produce and, especially under high temperatures and / or a high fluid pressure, in the automotive industry meets normal tightness requirements.
  • the object is in a connector assembly having a fluid line end, which is connected by means of a compression sleeve with a connector end of a plastic connector, wherein the connector end of the plastic connector is provided in a connection region with a structure, achieved in that the structure Diameter reductions or depressions and at least one
  • Diameter extension or increase at the connector end includes.
  • the fluid line is preferably a hose line, which is also referred to as hose for short.
  • the tube is preferably formed of an elastomeric plastic material or rubber material.
  • the fluid line end is also referred to as the hose end.
  • the elastomeric plastic material or rubber material is, for example, an elastomer based on ethylene-propylene-diene rubber, which is abbreviated to EPDM.
  • the compression sleeve surrounds the connector end and the fluid conduit end in the connection area. For establishing a firm connection between the connector end and the
  • the compression sleeve is compressed at defined locations, compressed or squeezed together.
  • the compression sleeve deforms together with the corresponding points on the hose end.
  • the targeted deformation of the compression sleeve is also referred to as crimping or crimping.
  • the diameter extension or elevation at the connector end may also be referred to as a positive layout element or structural element.
  • the diameter reductions or depressions at the connector end may be referred to as negative features or features.
  • the combination of positive and negative structural elements in the structure at the connector end, the tightness, especially at high temperatures and fluid pressures, can be significantly improved.
  • the connector assembly is preferably used in a hydraulically actuated clutch system.
  • the fluid is preferably a hydraulic medium, in particular a hydraulic fluid, for the hydraulically actuable clutch system.
  • a preferred embodiment of the connector assembly is characterized in that the diameter reductions or depressions on the
  • Connector ends are designed as annular grooves.
  • the annular grooves preferably all have the same ring cross-section.
  • the annular cross section of the annular grooves has, for example, substantially the shape of a circular arc or a rectangle with rounded corners.
  • a further preferred embodiment of the connector arrangement is characterized in that the diameter reductions or depressions are arranged on the connector end in the connection region radially inwardly and in the axial direction overlapping to crimping points on the compression sleeve.
  • Crimping points are pressure points, pressure points or pinch points on the compression sleeve.
  • a further preferred embodiment of the connector assembly is characterized in that at least one diameter reduction or depression are arranged on the connector end and at least one crimping point on a common radial.
  • the term radial refers to a longitudinal axis of the fluid conduit end that coincides with a longitudinal axis of the connector end. Radial means transverse to the longitudinal axis.
  • Connector end is disposed in the connecting region in the axial direction between two axial sections, each comprising at least one diameter reduction or depression at the connector end and at least one crimping point on the compression sleeve.
  • the term axial refers to the previously mentioned longitudinal axis of the Connector end or the fluid line end. Axial means in the direction or parallel to the longitudinal axis. This will make the connector end with the
  • Connector end in the connection region in the axial direction is arranged centrally between the two axial sections.
  • Diameter enlargement or increase has proved to be particularly advantageous in the context of the present invention conducted tests and experiments in terms of tightness.
  • Diameter reductions or depressions are arranged on the connector end.
  • the combination of two sections, each with three recesses and exactly one diameter enlargement or elevation, has proved to be particularly advantageous.
  • Connector end is designed as a ring bead.
  • the end of the connector is pressed into the ring of the ring, so to speak, into the fluid line end encompassed by the compression sleeve. As a result, the tightness is further improved.
  • a further preferred embodiment of the connector arrangement is characterized in that the annular bead has a serrated profile with a sharp edge with which the connector end digs into the fluid line end. This further improves the tightness in the connection area.
  • the connector end hooks itself so to speak with the serrated profile in the fluid line end.
  • the serrated profile creates, at least in part, a so-called Christmas tree connection between the connector end and the fluid line end.
  • a further preferred embodiment of the connector assembly is characterized in that the plastic connector has a connecting body, which is so axially fixed and rotatably connected by at least one crimped connection with the pressing sleeve, that an undesired rotation of the connector end of the plastic connector in the surrounded by the compression sleeve Fluid line end is reliably prevented.
  • the plastic connector is, for example, crimped on a connecting body, directly with the compression sleeve.
  • the invention further relates to a plastic connector, a connector end and / or a compression sleeve for a previously described connector assembly.
  • the parts mentioned are separately tradable.
  • the invention also relates optionally to a fluid connection with a
  • Plastic connector having a connector end which is connected by means of a compression sleeve with a fluid line end, with a previously described
  • Figure 1 shows a connector assembly having a fluid line end, which is connected by means of a compression sleeve with a Konnektorendes of a plastic connector, in longitudinal section;
  • Figure 2 shows an enlarged detail of Figure 1 with a recess on the
  • FIG. 3 shows a further enlarged detail from FIG. 1 with an extension at the connector end.
  • FIG. 1 shows a connector assembly 1 with a plastic connector 3 in longitudinal section.
  • the plastic connector 3 is fluid-tightly connected to a fluid line 5.
  • a compression sleeve 8 which is also referred to as a crimp sleeve, the connector assembly 1 is firmly and tightly held together.
  • the plastic connector 3 comprises a base body 10, from which a connecting body 11 extends, from which in turn a connector end 12, which is also referred to as a nipple, emerges.
  • the connecting body 11 has substantially the shape of a hollow circular cylinder with an outer diameter which is significantly smaller than an outer diameter of the base body 10 of the Kunststoffkon nektor 3.
  • the connector end 12 also has substantially the shape of a hollow cylinder, which is integrally connected to the connecting body 11.
  • the plastic connector 3 comprises a central through hole 14 which extends with a constant hole diameter through the base body 10, the connecting body 11 and the connector end 12 of the Kunststoffkon nector 3 therethrough.
  • the plastic connector 3 has a longitudinal axis which coincides with a longitudinal axis of the fluid line 5.
  • the fluid line 5 is advantageously formed from an elastomeric plastic material or rubber material. Therefore, the fluid line 5 is also referred to as a hose.
  • a fluid line end 21 of the fluid line 5 is also referred to as hose end 21.
  • the hose 5 with the hose end 21 comprises a central through hole 24, in which the connector end 12 of the plastic connector 3 is arranged.
  • a free end of the hose end 21 is in abutment with the shoulder between the connecting body 11 and the connector end 12 of the Plastic connector 3. This can be ensured in a simple manner that the connector end 12 is completely absorbed in the assembly of the plastic connector 3 in the fluid line end 21.
  • the compression sleeve 8 comprises a first axial portion 31 and a second axial portion 32.
  • the compression sleeve 8 has a smaller outer diameter than in the second axial portion 32.
  • the compression sleeve 8 has a shoulder 4 on.
  • the shoulder 34 represents a stop for the fluid line end 21.
  • the compression sleeve 8 in its first axial section 31 is fixedly connected to the connecting body 11 of the plastic connector 3.
  • the crimped connection 48 comprises indentations 49 in the compression sleeve and the connection body 11 of the plastic connector 3.
  • the compression sleeve 8 With its second axial section 32, the compression sleeve 8 surrounds the hose end or fluid line end 21 with the connector end 12 of the plastic connector 3 arranged therein in its connection area 40. At its left end in FIG. 1, the compression sleeve 8 has an outwardly bent end region 35.
  • the compression sleeve 8 in FIG. 1 has four notches 41 to 44, which are also referred to as crimping points.
  • Crimping is the compression sleeve 8 together with the radially inwardly disposed hose end 21 selectively deformed radially inward.
  • the compression sleeve 8 is positively connected to the hose end 21.
  • the compression sleeve 8 at the notches 41 to 44 is selectively reduced in diameter to squeeze the hose end 21 around the connector end 12.
  • the notches 41 to 44 are provided in the second axial portion 32 of the compression sleeve.
  • Such a crimp connection is shown, for example, in FIG. 7 of German Offenlegungsschrift DE 10 2012 210 342 A1.
  • the compression sleeve 8 engages in a recess 50, which is provided in the connecting body 11 of the plastic connector 3.
  • the recess 50 is designed as a circumferential annular groove.
  • the connector end 12 has radially within the crimping points 41, 43 an axial portion with a total of three diameter reductions or depressions 51, 52, 53.
  • the recesses 51 to 53 are designed as annular grooves and all have the same ring cross-section.
  • the connector end 12 has an extension 60.
  • the extension 60 is a radial extension with a sawtooth cross-sectional profile.
  • the sawtooth-like cross-sectional profile of the radial extension 60 creates a kind of barb, with which the connector end 12 of the
  • the connection between the radial extension 60 of the connector end 12 to the hose end 21 may also be referred to as a Christmas tree connection.
  • FIG. 2 shows a detail of FIG. 1 with the depression 71 designed as an annular groove.
  • the annular groove 71 has in cross section substantially the shape a rounded rectangle.
  • the fluid line end or hose end 21 with the central through hole 24 is shown in Figures 1 to 3 in the initial state prior to crimping or crimping.
  • the end of the hose 21 is pressed firmly against the connector end 12 of the plastic connector 3 via the pressure exerted with the aid of the compression sleeve 8, so that the hose end 21, unlike the one shown, rests tightly and firmly against the connector end 12 without radial gaps.
  • FIG. 3 shows a detail of FIG. 1 with the extension 60 enlarged. Due to the intersecting hatchings of the connector end 12 and of the fluid line end 21, it is indicated that the connector end 12 digs into the fluid line end 21 with the extension 60. As a result, a tight connection between the connector end 12 and the fluid line end 21 is created in a simple manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints That Cut Off Fluids, And Hose Joints (AREA)

Abstract

L'invention concerne un ensemble connecteur présentant une extrémité de conduite de fluide qui est raccordée, à l'aide d'un manchon de serrage, à une extrémité d'un connecteur en matière plastique, cette dernière étant pourvue d'une structure dans une zone de raccordement, ladite structure présentant des diminutions de diamètre ou des évidements et au moins une augmentation de diamètre ou une partie en relief à l'extrémité du connecteur.
PCT/DE2017/100188 2016-03-15 2017-03-09 Ensemble connecteur WO2017157383A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112017001309.7T DE112017001309A5 (de) 2016-03-15 2017-03-09 Konnektoranordnung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016204200.9A DE102016204200A1 (de) 2016-03-15 2016-03-15 Konnektoranordnung
DE102016204200.9 2016-03-15

Publications (1)

Publication Number Publication Date
WO2017157383A1 true WO2017157383A1 (fr) 2017-09-21

Family

ID=58536689

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2017/100188 WO2017157383A1 (fr) 2016-03-15 2017-03-09 Ensemble connecteur

Country Status (2)

Country Link
DE (2) DE102016204200A1 (fr)
WO (1) WO2017157383A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1096194A1 (fr) * 1999-10-28 2001-05-02 Hewing GmbH Raccord à compression pour un tuyau
WO2003012328A1 (fr) * 2001-07-28 2003-02-13 Uponor Innovation Ab Raccord de compression destine a des tuyaux
WO2004063615A1 (fr) * 2003-01-08 2004-07-29 Antonio Romanelli Raccord a compression destine a des tuyaux
WO2009129928A2 (fr) * 2008-04-25 2009-10-29 Henco Industries N.V. Liaison serrée
DE102012210342A1 (de) 2011-06-30 2013-01-03 Schaeffler Technologies AG & Co. KG Schlauchkupplung, insbesondere für hydraulische Hochdruckleitungen eines Ausrücksystems
DE102014216045A1 (de) 2013-09-04 2015-03-05 Schaeffler Technologies Gmbh & Co. Kg Konnektor für ein hydraulisches Kupplungssystem

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1096194A1 (fr) * 1999-10-28 2001-05-02 Hewing GmbH Raccord à compression pour un tuyau
WO2003012328A1 (fr) * 2001-07-28 2003-02-13 Uponor Innovation Ab Raccord de compression destine a des tuyaux
WO2004063615A1 (fr) * 2003-01-08 2004-07-29 Antonio Romanelli Raccord a compression destine a des tuyaux
WO2009129928A2 (fr) * 2008-04-25 2009-10-29 Henco Industries N.V. Liaison serrée
DE102012210342A1 (de) 2011-06-30 2013-01-03 Schaeffler Technologies AG & Co. KG Schlauchkupplung, insbesondere für hydraulische Hochdruckleitungen eines Ausrücksystems
DE102014216045A1 (de) 2013-09-04 2015-03-05 Schaeffler Technologies Gmbh & Co. Kg Konnektor für ein hydraulisches Kupplungssystem

Also Published As

Publication number Publication date
DE112017001309A5 (de) 2018-11-29
DE102016204200A1 (de) 2017-09-21

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