EP2376793A1 - Élément de liaison et panneau composite léger - Google Patents

Élément de liaison et panneau composite léger

Info

Publication number
EP2376793A1
EP2376793A1 EP10700111A EP10700111A EP2376793A1 EP 2376793 A1 EP2376793 A1 EP 2376793A1 EP 10700111 A EP10700111 A EP 10700111A EP 10700111 A EP10700111 A EP 10700111A EP 2376793 A1 EP2376793 A1 EP 2376793A1
Authority
EP
European Patent Office
Prior art keywords
connecting element
dowel body
channel
cover plate
element according
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.)
Withdrawn
Application number
EP10700111A
Other languages
German (de)
English (en)
Inventor
Uwe Sobolewski
Oliver Schael
Alexander Gorges
Stefan Andschus
Thomas Prior
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.)
Hettich Heinze GmbH and Co KG
Original Assignee
Hettich Heinze 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 Hettich Heinze GmbH and Co KG filed Critical Hettich Heinze GmbH and Co KG
Publication of EP2376793A1 publication Critical patent/EP2376793A1/fr
Withdrawn legal-status Critical Current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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/01—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening elements specially adapted for honeycomb panels
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/08—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation
    • F16B13/0833—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation with segments or fingers expanding or tilting into an undercut hole
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00—Nuts or like thread-engaging members

Definitions

  • the present invention relates to a connecting element, in particular for lightweight panels, with a single or multi-part dowel body on which at least one channel for the supply of adhesive is formed, which has a feed opening at a first end face and a first mouth at an opposite second end face of the Dowel body has, as well as a lightweight board.
  • connection insert for bonding in lightweight panels, which has an inner part with an adhesive material feed channel and a surrounding outer sleeve.
  • the connection insert can be inserted into a hole on a lightweight board and glued.
  • an adhesive seam forms on an upper cover layer, which engages behind the opening, so that a certain tear-out resistance is present.
  • the adhesive seam is relatively small, so that especially when using cardboard as a cover plate, the pull-out forces are rather low.
  • the connecting element comprises a dowel body with at least one radially projecting guide element, by means of which adhesive can be derived from a second mouth of the channel to a region adjacent to the end face.
  • the adhesive material distribution can be guided over the guide element in such a way that the cover plate is engaged behind by an adhesive seam over a larger area and thus the pull-out strength is increased.
  • the guide elements form a reinforcement which also engages behind the cover plate in order to be able to exert force under load.
  • a plurality of guide elements are provided distributed over the circumference. The guide elements may be arranged at regular intervals and annularly surround the bore on the cover plate.
  • the guide elements are designed as bendable webs. Then the guide elements can expand after insertion into the bore on the cover plate and engage behind the cover plate. It is advantageous if the plug body is designed in several parts and has a lower part and a plug-in upper part. On the lower part can be provided a sleeve-shaped receptacle for the upper part. When inserting the upper part in the
  • an area with several branches is preferably provided on the channel between the two end faces, which lead to a plurality of second orifices.
  • several openings can be provided distributed over the circumference in order to ensure a uniform annular distribution of the adhesive.
  • the branches are preferably provided with a smaller cross section than the channel, so that the volume flow of the adhesive first flows through the channel to the first mouth, there to stick the dowel body to the lower cover plate, and then through the branches to the guide elements, because the lower cross section increases the flow resistance.
  • the guide element is formed as a protruding spiral, which is integrally formed on the dowel body. Then, the dowel body can not be inserted into the bore on the cover plate, but is screwed in, wherein one or more second orifices are provided in the region of the spiral, in order then to be able to flow along the spiral to the upper cover plate.
  • a lightweight board for furniture is provided in which at least one connecting element is glued in the lightweight board. Such fasteners are usually used as fittings for connecting the lightweight panel with another component.
  • the guide elements rest against an upper cover plate in the connection element, so that the cover plate is engaged behind both by the adhesive and by the guide elements.
  • Figures IA to ID show several views of a first embodiment of a connecting element according to the invention
  • FIGS 2A to 2D show several views of the connecting element of Figure 1 in the mounted position.
  • Figures 3A to 3D show several views of a second embodiment of a connecting element
  • Figures 4A to 4D show several views of the connecting element of Figure 3 in the mounted position.
  • FIGS. 5A to 5D show several views of a third exemplary embodiment of a connecting element
  • Figures 6A to 6D show several views of the connecting element of Figure 5 in the mounted position.
  • FIGS. 7A to 7C show several views of a fourth exemplary embodiment of a connecting element according to the invention.
  • FIGS. 8A to 8E show several views of the connecting element of FIG. 7 during assembly;
  • Figures 9A and 9B show two views of a fifth embodiment of a connecting element according to the invention.
  • Figures 10A and 10B show two views of the connecting element of Figure 9 in the mounted position.
  • a connecting element comprises a dowel body 10 which can be inserted into a bore of a lightweight board 1.
  • the dowel body 10 has a cup-shaped lower part 11, in which a receptacle for inserting a substantially cylindrical upper part 12 is formed.
  • On the upper part 12 is a feed opening
  • a channel 14 is provided for the distribution of adhesive.
  • the channel 14 extends in the longitudinal direction through the dowel body 10 and has a first mouth 15, which is arranged at the end opposite the feed opening 13 of the dowel body 10.
  • the orifice 15 is widened in relation to the channel 14 and has a disc-shaped design, so that an edge of the dowel body 10 surrounds the orifice 15 in an annular manner.
  • the channel 14 has in a central region of the dowel body 10 a plurality of branches 16 which extend radially outward and open in an area adjacent to an upper edge 17 on the dowel body 10.
  • the edge 17 has a plurality of ribs which can be applied to an outer periphery of a bore in a lightweight panel 1.
  • a thread 18 is further formed, to which the lower part 11 is screwed.
  • the lower part 11 has an internal thread 21.
  • radially projecting guide elements 19 are provided in the form of bendable webs on the lower part 11, which are arranged distributed at regular intervals over the circumference.
  • the assembly of the dowel body 10 is shown in Figures 2 A to 2D.
  • the dowel body 10 is inserted into a hole in a lightweight panel 1.
  • the Bore is formed only in an outer cover plate 2, so that the dowel body can be pressed with the front side against a lower cover plate 3.
  • the upper part 12 is rotated via a tool.
  • the lower part 11 is rotatably held by the radially projecting guide elements 19 in a middle layer 4 of the lightweight board 1 and is therefore moved to the upper cover plate 2.
  • the guide elements 19 are pressed radially outward against the upper cover plate 2.
  • adhesive is injected via the feed opening 13, which, on the one hand, bonds to the lower cover plate 3 at the mouth 15 and, on the other hand, also extends over the channel 14, the branches 16 and the guide elements 19 annularly around the anchor body 10 in a large area the inside of the cover plate 2 passes. This allows an annular bond on the cover plate 2 can be achieved, which has a high pull-out strength.
  • FIGS. 3A to 3D A second embodiment of a connecting element with a dowel body 30, which has a lower part 31 and an upper part 32, is shown in FIGS. 3A to 3D.
  • a feed opening 33 is formed for a channel 34 for distributing adhesive.
  • the channel 34 passes through the upper part 32 and the lower part 31 and opens in the region of the lower part 31 at an end-side mouth 35, which is surrounded by an annular edge of the dowel body 30.
  • a plurality of radial branches 36 are formed, which communicate with the channel 34.
  • the radial branches 36 have openings 40, which are arranged adjacent to an upper edge 37 on the upper part 32.
  • a conical surface 38 is provided on the side facing the lower part 31, which has an outer tip 41.
  • the lower part 31 has on a cylindrical portion a plurality of guide elements 39, which are formed as bendable webs and are connected via a film hinge 43 with the cylindrical part.
  • the guide elements 39 have on their inner side an inclined surface 42, 32 come into contact with the outer tip 41 during insertion of the upper part. As a result, the guide elements 39 are cken of the upper part 32 radially outwardly spread.
  • a locking receptacle 44 is formed, in which the outer tip 41 can be inserted.
  • the guide elements 39 are arranged in a latched position at a defined distance from the upper part 32 of the dowel body 30.
  • the assembly of the dowel body 30 is shown in Figures 4A to 4D.
  • the dowel body 30 is inserted with the lower part 31 and the spaced-apart upper part 32 in the bore of the lightweight board 1.
  • the upper part 32 is pressed into the lower part 31, so that the guide elements 39 are spread outwards.
  • the guide elements 39 push the material away from a middle layer 4 of the lightweight building panel 1.
  • the guide elements 39 thereby engage behind the upper cover plate 2 of the lightweight board 1.
  • adhesive is injected through the feed opening 33, which is a bond at the mouth with the lower cover plate 3 and a bond to the upper cover plate 2 by means of a passage through the branches 36 and Guiding elements 39 achieved.
  • FIGS. 5A to 5D A third embodiment of a connecting element is shown in FIGS. 5A to 5D.
  • the connecting element is designed as a one-piece plug body 50, which comprises a substantially cylindrical part 51, in which a channel 54 is arranged in the longitudinal direction.
  • the channel 54 has a feed opening 53 on a first end face and a first mouth 55 on the opposite end face.
  • a plurality of branches 56 are arranged, which have on an outer side of the cylindrical portion 51 mouths 52.
  • a radially projecting spiral 59 is formed, which has a plurality of turns.
  • the dowel body 50 is screwed into a bore of a lightweight board 1, so that the protruding spiral 59 cuts a slot in the cover plate 2, however, the strength of the
  • Cover plate 2 only insignificantly affected.
  • the mouth 55 is located on the lower cover plate 3 and the protruding coil 59 engages behind the upper cover plate 2.
  • adhesive is injected, which is an adhesive bond with the lower cover plate 3 at the mouth 55 and at the upper cover plate 2 is reached.
  • the adhesive in a region adjacent to the dowel body 50 is distributed annularly on the cover plate 2.
  • FIGS. 7A to 7C show a fourth embodiment of a connecting element which has a dowel body 60 with an upper part 62 and a lower part 61.
  • a channel 64 is formed in the longitudinal direction, which has a feed opening 63 on one end face and a first orifice 65 on the opposite end face.
  • the mouth 65 is widened with respect to the channel 64 and surrounded by an annular edge of the dowel body 60.
  • the lower part 61 comprises a spring element 72, which is designed as a spiral spring and therefore can be compressed. Further, a plurality of web-shaped guide elements 69 are provided on the lower part 61, which are bendable and radially projecting from the dowel body 60. In the guide elements 69, a branch 66 is formed, which is in communication with the channel 64. For this purpose, an annular channel 73 is formed on the lower part 61, which is arranged in the mounted position on an annular channel 71 or at openings to the channel 64. At the branches 66 mouths 70 are provided, which provide for a distribution of the adhesive adjacent to a cover plate 2.
  • the assembly of the dowel body 60 is shown in Figures 8A to 8E.
  • the lower part 61 is inserted into a bore on the cover plate 2 until the spring element 72 bears against the lower cover plate 3.
  • the guide elements 69 are still arranged in the bore on the cover plate 2.
  • the upper part 62 is inserted into the lower part 61, wherein the cylindrical upper part 62 is inserted into the receptacle on the annular channel 73 and then pushes the lower part 61 against the force of the spring element 72 down against the lower cover plate 3. Due to the insertion movement of the lower part 61, the guide elements 69 now pass out of the region of the upper cover plate 2 and can spread radially outward.
  • the lower part 61 is first inserted by means of a tool in a bore on the cover plate 2 until the spring elements 72 abuts against the lower cover plate 3.
  • the spring element 72 When inserting the spring element 72 is compressed so that the guide elements 69 aufspreitzen radially and come during the removal of the tool on the inside of the cover plate 2 to the plant.
  • the spring element 72 holds the lower part 61 with the guide vanes 69 in position.
  • the upper part 62 can be inserted through the hole in the cover plate 2 and the lower part 61 in the adhesive position.
  • FIGS. 9A and 9B show a further embodiment of a dowel body 80, which is designed in three parts and has a lower part 81, a middle part 91 and an upper part 82.
  • a channel 84 is formed, which has an inlet opening 83 and an opening 85 on opposite sides.
  • radial openings 90 are formed in the upper part 82, which allow a distribution of adhesive in the region of the inside of the cover plate 2.
  • the lower part 81 has a spring element 94 with spiral windings.
  • a plurality of bendable webs 89 are provided, on which the middle part 91 can be plugged.
  • receptacles 92 are formed, in which the webs 89 are inserted.
  • the middle part 91 is made of an elastically bendable material, for example plastic, and can be inserted together with the lower part 81 through an opening in the upper cover plate 2 of a lightweight board 1.
  • the spring element 94 can be compressed and ensures that the middle part 91 is pressed against the upper cover plate 2.
  • the middle part 92 forms a funnel-shaped receptacle for adhesive and is largely sealed to the outside in a middle layer 4 of the cover plate 1 is arranged.
  • the connecting elements shown may have individual parts made of plastic or other suitable materials.
  • the bonding takes place, in particular, on a lightweight board 1 which has two cover plates 2 and 3 made of a harder and more rigid material than a middle layer 4.
  • the middle layer 4 can be made of a lightweight material, for example a cardboard with voids, such as honeycomb cardboard Plates, fiberboard or other materials.
  • the cover layers of the lightweight panels 1 are preferably designed to withstand tensile loads, the middle layer holds preferred pressure loads.
  • the cover layers 2 may be made of wood fiber boards, cardboard or plastic and are usually glued to the middle layer 4. But also a bonding of the fasteners to other plates is possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)
  • Connection Of Plates (AREA)
  • Dowels (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

L'invention concerne un élément de liaison, en particulier pour panneaux composites légers (1), avec un corps de douille (10, 30, 50, 60, 80) fait d'une ou plusieurs pièces, sur lequel est formé au moins un canal (14, 34, 54, 64, 84) pour amener de la colle, comprenant une ouverture d'introduction (13, 33, 53, 63, 83) sur une première face frontale et une première embouchure sur une deuxième face frontale, opposée, du corps de douille (10, 30, 50, 60, 80). Il est formé sur le corps de douille (10, 30, 50, 60, 80) au moins un élément de guidage faisant saillie radialement (19, 39, 59, 69, 89) grâce auquel de la colle provenant d'au moins une deuxième embouchure (20, 40, 52, 70, 90) du canal (14, 34, 54, 64, 84) peut être envoyée vers une zone adjacente à la première face frontale.
EP10700111A 2009-01-09 2010-01-08 Élément de liaison et panneau composite léger Withdrawn EP2376793A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200920000017 DE202009000017U1 (de) 2009-01-09 2009-01-09 Verbindungselement und Leichtbauplatte
PCT/EP2010/050116 WO2010079200A1 (fr) 2009-01-09 2010-01-08 Élément de liaison et panneau composite léger

Publications (1)

Publication Number Publication Date
EP2376793A1 true EP2376793A1 (fr) 2011-10-19

Family

ID=41786248

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10700111A Withdrawn EP2376793A1 (fr) 2009-01-09 2010-01-08 Élément de liaison et panneau composite léger

Country Status (4)

Country Link
EP (1) EP2376793A1 (fr)
CN (1) CN102272464A (fr)
DE (1) DE202009000017U1 (fr)
WO (1) WO2010079200A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009003334A1 (de) 2009-01-09 2010-07-15 Hettich-Heinze Gmbh & Co. Kg Beschlag und Möbel
CN102224315A (zh) 2009-01-09 2011-10-19 黑蒂赫-海因泽有限及两合公司 配件、家具部件、家具和用于制造板的方法
DE102011002193B4 (de) 2011-04-20 2018-11-29 Leica Biosystems Nussloch Gmbh Gewebeproben-Handhabungsvorrichtung
DE102014214903A1 (de) 2014-07-30 2016-02-04 Bayerische Motoren Werke Aktiengesellschaft Befestigungsvorrichtung für ein Sandwichbauteil
DE102016203308A1 (de) * 2016-03-01 2017-09-07 Adolf Würth GmbH & Co. KG Dübel für Leichtbauplatten, Anordnung mit einer Leichtbauplatte und einem Dübel sowie Verfahren zum Einsetzen eines Dübels in eine Leichtbauplatte
US10781846B2 (en) * 2017-06-19 2020-09-22 Divergent Technologies, Inc. 3-D-printed components including fasteners and methods for producing same
DE102018102336A1 (de) * 2018-02-02 2019-08-08 Elbe Flugzeugwerke Gmbh Anordnen eines Verbundelements an einem Bauteil

Citations (1)

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Publication number Priority date Publication date Assignee Title
DE102006049953A1 (de) * 2006-10-19 2008-04-24 Zimmer, Günther Dübel für Deckplattenhintergriff

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Publication number Priority date Publication date Assignee Title
DE3042432C2 (de) 1980-11-11 1984-11-15 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Befestigungsvorrichtung für eine Sandwichplatte zur Aufnahme von Befestigungsschrauben mit einem Spreizdübel und Gewindeeinsatz
US4973208A (en) * 1989-08-31 1990-11-27 Gauron Richard F Inset panel fastener with floating member
DE202005005579U1 (de) 2005-04-07 2006-08-17 Hettich-Heinze Gmbh & Co. Kg Verbindungseinsatz
DE102007017556A1 (de) 2007-04-12 2008-10-16 Fischerwerke Gmbh & Co. Kg Befestigungsbeschlag für eine Leichtbauplatte
DE102007031176B4 (de) * 2007-07-04 2011-02-10 Zimmer, Günther Dübel für selbsttätigen Deckplattenhintergriff und dessen Setz- und Klebeverfahren

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006049953A1 (de) * 2006-10-19 2008-04-24 Zimmer, Günther Dübel für Deckplattenhintergriff

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010079200A1 *

Also Published As

Publication number Publication date
CN102272464A (zh) 2011-12-07
DE202009000017U1 (de) 2010-05-12
WO2010079200A1 (fr) 2010-07-15

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