WO2009033998A2 - Élément à accouplement rapide pourvu d'un indicateur d'enclenchement - Google Patents

Élément à accouplement rapide pourvu d'un indicateur d'enclenchement Download PDF

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Publication number
WO2009033998A2
WO2009033998A2 PCT/EP2008/061661 EP2008061661W WO2009033998A2 WO 2009033998 A2 WO2009033998 A2 WO 2009033998A2 EP 2008061661 W EP2008061661 W EP 2008061661W WO 2009033998 A2 WO2009033998 A2 WO 2009033998A2
Authority
WO
WIPO (PCT)
Prior art keywords
coupling element
quick
connecting piece
receptacle
holding
Prior art date
Application number
PCT/EP2008/061661
Other languages
German (de)
English (en)
Other versions
WO2009033998A3 (fr
Inventor
Helmut Nather
Daniela Sasse
Original Assignee
Continental Automotive Gmbh
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 Continental Automotive Gmbh filed Critical Continental Automotive Gmbh
Publication of WO2009033998A2 publication Critical patent/WO2009033998A2/fr
Publication of WO2009033998A3 publication Critical patent/WO2009033998A3/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
    • 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
    • F16L37/098—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 flexible hooks
    • F16L37/0985—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 flexible hooks the flexible hook extending radially inwardly from an outer part and engaging a bead, recess or the like on an inner part
    • 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
    • F16L37/0847—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 hooks
    • F16L37/0848—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 hooks rocking freely
    • 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
    • F16L2201/00—Special arrangements for pipe couplings
    • F16L2201/10—Indicators for correct coupling

Definitions

  • the invention relates to a quick coupling element for receiving a connection piece, which indicates when the connection piece is engaged.
  • the invention also relates to a hose coupling and a fuel tank with such a quick coupling element. Furthermore, the invention relates to a method for indicating the latching of a
  • Hose connection and a method of manufacturing a quick coupling element with a snap-in indicator are provided.
  • the quick coupling element according to the invention is particularly suitable for use in fuel tanks. This involves establishing a connection between a connection piece and a receptacle, for example an SAE J 2044 connection.
  • a connection piece for example an SAE J 2044 connection.
  • Prior art spigots are typically designed to insert a spud into a receptacle and then snap into place there.
  • most of these compounds are not intended for use in fuel tanks. It is of particular importance that the compressive strength and connection or pull-out a high system pressure (normally 6.8 bar, with 1.7-fold safety 12 bar) withstand, but at the same time the connection easily and possibly mounted with one hand in the tank and that it is clear whether the connection is engaged or not.
  • the object of the present invention is therefore to specify a quick coupling element which can easily be joined and disconnected with one hand and which also makes it possible to clearly identify whether the connection is in the latched or unlocked state.
  • the quick coupling element according to the invention is set up to receive a connecting piece.
  • the quick coupling element has a receptacle into which the connecting piece can be inserted.
  • the shape of the receptacle may correspond at least in certain regions to the shape of the connecting piece.
  • the receptacle can guide the connecting piece such that, at least at a certain insertion depth, it is essentially only movable in the insertion direction and guided in other directions through the receptacle.
  • At least one holding element is arranged in or on the receptacle, which is set up in such a way that it opposes a force to remove the connection piece from the receptacle at a certain insertion depth, called the holding depth.
  • the connecting piece is pushed into the receptacle in the direction of insertion, it is initially essentially free of forces in the direction of insertion and also counter to the direction of insertion, but when the depth of insertion is exceeded, it becomes a force opposite, if it is to be moved over the insertion depth to the outside again.
  • the connecting piece engages in the insertion depth in the recording.
  • At least one display element is now arranged in or on the receptacle, which is set up in such a way that it becomes visible or disappears when the connection stub exceeds the holding depth when the holding stub is inserted into the receptacle.
  • the display element becomes visible when the connecting piece exceeds the holding depth during insertion.
  • the receiving element then sits in an opening between the inside and the outside of the recording.
  • the inside of the receptacle is in this case that side of the wall of the receptacle which faces the connecting stub in the inserted state, while the outside is the side of the wall facing away from the connecting stub.
  • the display element is in this case arranged at least partially in this opening between the inside and outside.
  • the display element may therefore be arranged so that it sits in the opening between the inside and outside and does not protrude beyond the outer wall, as long as the connecting piece is not inserted to the holding depth. It is then pushed outwards in the direction of the outside through the connecting piece. As soon as the connection piece is pushed in over the holding depth, it protrudes beyond the outside. In this case, it can be clearly seen whether the connection piece is engaged or not. As long as he is not engaged, the display element sits in the through hole between the inside and outside and does not protrude beyond the outside. It is therefore not visible from the outside. If the connecting piece is locked in place, Thus, the display element sits so far outside that it protrudes beyond the outside and is then clearly visible from the outside.
  • the display element is coupled to an elastic element which exerts a force on the display element in the direction of the inside.
  • the elastic element may also be part of the display element.
  • One possibility of realizing such a display element coupled to an elastic element is to arrange in the receptacle along the inside a retaining ring on which run one or more elastic arms at an acute angle to the insertion direction against the insertion direction, at the other end depending on a display element is arranged.
  • the connecting piece advantageously has a region of larger cross-section, through which the display elements are pressed outwards at the desired insertion depth.
  • the retaining elements are advantageously latching elements or locking engagement elements which are set up in such a way that the connecting piece engages in the latching elements when the holding depth is exceeded.
  • Such snap-in elements can be realized by wedges, which engage when the engagement depth is exceeded by the connecting piece, a region of the connecting piece, in which the cross-section of the connecting piece, i. its diameter is larger than in the area behind it.
  • the wedges can also snap into an undercut.
  • these holding elements are coupled with elastic elements which exert a force in the direction of the inside or the connecting piece on the retaining wedges.
  • the holding elements are movable with levers, which allow by their translation, a release of the holder with a lower force than with which the holding elements are pressed toward the inside.
  • Such a realization of holding elements with levers and elastic elements is possible, for example, by means of levers, at one end of which wedges are arranged and which are fastened in the vicinity of the wedges via a leaf spring in or on the receptacle.
  • the lever facing away from the end of the leaf spring can in this case be arranged on a ring in the recording this circumferential.
  • both the display elements and the holding elements are arranged on a common holding element.
  • all display and holding elements can be mounted in one step in and on the recording.
  • a holding element is particularly suitable a ring, which is arranged on the receptacle on its inner side circumferentially in the receptacle.
  • the holding elements and display elements can be arranged.
  • the distances between two elements are the same.
  • At least one sealing ring is arranged in the receptacle.
  • This sealing ring can be circumferentially arranged in the receptacle on its inner wall in such a way that it lies in a form-fitting manner both on the inside of the receptacle and in a form-locking manner on an inserted receptacle. is present.
  • the quick coupling element according to the invention thus enables a simple assembly and disassembly of the clutch in a fuel tank.
  • the assembly and disassembly is through the
  • the coupling element is oil-smeared. It is particularly advantageous here that the unit does not have to be taken out of the tank for this purpose. By placing in the fuel tank, gasoline gases do not escape. A sealing ring is sufficient to seal the coupling.
  • the advantages come both during assembly, in particular the first assembly, as well as service and maintenance to fruition. Due to the small number of parts, the quick coupling element is inexpensive to manufacture.
  • the display elements clearly indicate at any time, not only at the time of engagement, whether or not the connecting piece is engaged.
  • FIG. 3 shows a section through an inventive quick-release element with display elements that are not visible
  • FIG. 5 shows a section through an inventive quick coupling element with latching elements.
  • Fig. 1 shows a three-dimensional view of a quick coupling element 1 according to the invention, which is connected to a hose 2.
  • the quick coupling element 1 in this case has a receptacle 6, in which on the one hand holding elements 3a and 3b, on the other hand display elements 4a and 4b are arranged on a common retaining ring 5.
  • the receptacle 6 in this case has a circular cross-section with different depths of different diameter, which is broken through there by openings 7a to 7d, where holding or display elements are arranged. In that region or that depth, where the holding and display elements are arranged, the cross-section of the receptacle is larger than in that area where the retaining ring 5 is arranged.
  • the diameter of the retaining ring 5 substantially corresponds to the diameter of a connecting piece, not shown in the figure, which can be inserted into the receptacle 6 through the retaining ring 5.
  • the holding elements 3a and 3b engage behind a board in the connecting piece and hold it in the receptacle.
  • the display elements 4a and 4b arranged in the openings 7b and 7d pass beyond the outside 9 of the receptacle 6.
  • the display elements 4a and 4b are arranged in openings 7b and 7d between the inner side 8 and the outer side 9 of the receptacle 6. They are connected via elastic elements IIa and IIb to the retaining ring 5. The elastic elements IIa and IIb then exert a force in the direction of the inner side 8 on the display elements when they are pressed by an inserted connecting piece in the direction of the outer side 9.
  • the holding elements 3a and 3b are also elastically Table elements 10 connected to the retaining ring 5. These elastic elements 10 exert a force on the holding elements 3 a and 3 b, respectively, in the direction of the inside, so that a connecting piece provided with a guide can engage behind these holding elements 3 a and 3 b.
  • the holding elements 3a and 3b are easy to operate through the openings 7a and 7c by means of levers from the outside.
  • Fig. 2 shows an inventive quick coupling element 1 in the side view in the state which is present when a connection piece is inserted to the holding depth and engaged with it. However, the connection piece is hidden here. It can be seen clearly in the figure that the display elements 4a and 4b protrude beyond the outside 9 of the receptacle 6. As a result, the locked state of the connection piece is displayed.
  • Fig. 3 shows a section through an inventive quick coupling element.
  • a connection piece 12 is partially inserted into the receptacle 6.
  • the connection piece 12 has a region 13 of larger cross-section, through which it presses the display elements 4a and 4b in the opening 7d or 7b in the direction of the outside 9 during insertion.
  • the elastic elements IIa and IIb exert a counterforce in the direction of the inner side 8 of the receptacle.
  • Tightness of the coupling is achieved by a sealing ring 14, which rotates positively to the inner side 8 of the receptacle 6 and to the connecting piece 12 along the inner side 8 of the receptacle 6. Since the connection piece 12 is not inserted into the receptacle 6 as far as the holding branch, the display elements 4a and 4b do not protrude beyond the outside 9 of the receptacle 6.
  • Fig. 4 shows the same section through a quick coupling element according to the invention as shown in FIG. 3, wherein, however, the connecting piece 12 is inserted into the receptacle 6 up to the insertion depth. It can be seen that the board 13 of the connection piece 12 has now pushed the display elements 4a and 4b so far in the direction of the outside 9 to the outside that they protrude beyond the outside 9 of the receptacle 6.
  • the elastic elements IIa and IIb which are now in the deflected state exert a force in the direction of the inner side 8 on the display elements 4a and 4b, and press against the board 13 of the connecting piece.
  • Fig. 5 shows a section through an inventive quick coupling element in a sectional plane
  • Section plane of Figures 3 and 4 is rotated by 90 ° about the insertion axis.
  • the holding elements 3a and 3b with the levers 15a and 15b to recognize their operation.
  • the connection piece 12 was pushed in here until it clicks into place.
  • the holding elements 3a and 3b engage behind the board 13, i. the region of the connecting piece 13 with respect to the underlying area enlarged cross-section.
  • elastic elements 10a and 10b designed as leaf springs 10a and 10b, the retaining elements 3a and 3b are pressed in the direction of the connecting piece.
  • the leaf springs 10a, 10b are fixed at one end to the common support member 5 and connected at the other with the levers 15a and 15b.
  • the holding elements 3a and 3b are movable with levers 15a and 15b. If the levers 15a and 15b are pressed in the direction of the connecting piece 12, then the holding elements 3a and 3b move away from the connecting piece 12 to the outside and release the connecting piece.
  • the pivot point is determined by the elastic leaf springs 10a and 10b.
  • the holding elements 3a and 3b are designed as wedges, which engage behind the board 13. By the leaf springs 10a and 10b, the latching elements 3a and 3b are pressed against the connecting piece 12.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Synchronizing For Television (AREA)
  • Coating Apparatus (AREA)
  • Nozzles (AREA)

Abstract

L'invention concerne un élément à accouplement rapide destiné à recevoir un raccord, cet élément étant d'une part facile à utiliser également dans un environnement huileux et présentant d'autre part des éléments indicateurs indiquant si le raccord est enclenché. Ces éléments indicateurs sont conçus de façon à apparaître ou disparaître dès que le raccord s'enclenche.
PCT/EP2008/061661 2007-09-07 2008-09-04 Élément à accouplement rapide pourvu d'un indicateur d'enclenchement WO2009033998A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710042563 DE102007042563A1 (de) 2007-09-07 2007-09-07 Schnellkupplungselement mit Einrastanzeige
DE102007042563.7 2007-09-07

Publications (2)

Publication Number Publication Date
WO2009033998A2 true WO2009033998A2 (fr) 2009-03-19
WO2009033998A3 WO2009033998A3 (fr) 2009-07-02

Family

ID=40339967

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/061661 WO2009033998A2 (fr) 2007-09-07 2008-09-04 Élément à accouplement rapide pourvu d'un indicateur d'enclenchement

Country Status (2)

Country Link
DE (1) DE102007042563A1 (fr)
WO (1) WO2009033998A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014234849A (ja) * 2013-05-31 2014-12-15 株式会社パイオラックス コネクタ
JP2014240684A (ja) * 2013-06-11 2014-12-25 株式会社パイオラックス コネクタ

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2949529B1 (fr) * 2009-08-27 2015-04-24 Coutier Moulage Gen Ind Dispositif d'etancheite pour le raccordement entre un element tubulaire metallique et un element tubulaire realise en matiere synthetique
DE102015109581A1 (de) 2015-06-16 2016-12-22 Johannes Schäfer vorm. Stettiner Schraubenwerke GmbH & Co. KG Steckverbindung für Rohrleitungen mit Verbindungsanzeige

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4753458A (en) * 1986-08-28 1988-06-28 Harvard Industries, Inc. Quick connector assembly
EP0806597A1 (fr) * 1996-05-10 1997-11-12 Trinova GmbH Raccord rapide
FR2829554A1 (fr) * 2001-09-13 2003-03-14 Nobel Plastiques Raccord encliquetable monocorps
EP1296089A1 (fr) * 2001-09-19 2003-03-26 Voss Automotive GmbH Dispositif de raccord pour tuyaux pour fluide

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4753458A (en) * 1986-08-28 1988-06-28 Harvard Industries, Inc. Quick connector assembly
EP0806597A1 (fr) * 1996-05-10 1997-11-12 Trinova GmbH Raccord rapide
FR2829554A1 (fr) * 2001-09-13 2003-03-14 Nobel Plastiques Raccord encliquetable monocorps
EP1296089A1 (fr) * 2001-09-19 2003-03-26 Voss Automotive GmbH Dispositif de raccord pour tuyaux pour fluide

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014234849A (ja) * 2013-05-31 2014-12-15 株式会社パイオラックス コネクタ
JP2014240684A (ja) * 2013-06-11 2014-12-25 株式会社パイオラックス コネクタ

Also Published As

Publication number Publication date
WO2009033998A3 (fr) 2009-07-02
DE102007042563A1 (de) 2009-03-12

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