WO2009109268A1 - Elément de fixation - Google Patents

Elément de fixation Download PDF

Info

Publication number
WO2009109268A1
WO2009109268A1 PCT/EP2009/000773 EP2009000773W WO2009109268A1 WO 2009109268 A1 WO2009109268 A1 WO 2009109268A1 EP 2009000773 W EP2009000773 W EP 2009000773W WO 2009109268 A1 WO2009109268 A1 WO 2009109268A1
Authority
WO
WIPO (PCT)
Prior art keywords
fastening element
bellows
element according
foot
head end
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/EP2009/000773
Other languages
German (de)
English (en)
Inventor
Günter Tremmel
Ronnie Weissenfeld
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.)
A Raymond SARL
Original Assignee
A Raymond SARL
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 A Raymond SARL filed Critical A Raymond SARL
Priority to EP09716572A priority Critical patent/EP2252801A1/fr
Publication of WO2009109268A1 publication Critical patent/WO2009109268A1/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
    • 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
    • F16B13/12—Separate metal or non-separate or non-metal dowel sleeves fastened by inserting the screw, nail or the like
    • F16B13/124—Separate metal or non-separate or non-metal dowel sleeves fastened by inserting the screw, nail or the like fastened by inserting a threaded element, e.g. screw or bolt
    • 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
    • F16B37/005—Nuts or like thread-engaging members into which threads are cut during screwing
    • 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
    • F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
    • F16B37/041—Releasable devices
    • F16B37/043—Releasable devices with snap action

Definitions

  • the invention relates to a fastener according to the preamble of claim 1.
  • Such a fastener is known from EP 1 380 761 B1.
  • the prior art fastener has an elongated foot shaft and a head plate formed on a head end of the foot shaft to the foot, radially projecting beyond the foot rest.
  • the foot surrounds an open in the region of the head end interior, which is adapted for screwing a screw under engagement of the screw with the foot rest.
  • inner wall sections and the inner wall sections opposite, externally formed locking lugs outer wall sections are formed in the region of the head end.
  • the outer wall sections move when inserting the fastener into a recess when passing the locking lugs on the edge of the recess radially inwardly and are supported by screwing a screw through the radially outwardly moving inner wall sections against movement radially inwardly.
  • the invention has for its object to provide a fastener of the type mentioned, in which the foot shaft in a head region remote from the area when screwing a screw relative to the original cross section at a still closed interior considerably expanded.
  • the fastener of the type mentioned according to the invention with the characterizing features of claim 1.
  • the fastening element according to the invention has at least one bellows wall portion which extends from the head end in the direction of a foot end opposite the head end, wherein the or each bellows wall portion is formed due to the inventive design with screwing in a concertina widening bellows segments , results in a sufficiently strong engagement of the screw with the foot and a continued tightness, a high radial expandability, which leads to high pull-out forces of the fastener.
  • FIG. 1 is a perspective view of an embodiment of a fastener according to the invention with a view of an upper side of a head plate
  • FIG. 2 is a perspective view of the embodiment of a fastener according to the invention shown in FIG. 2 with a view of a foot rest
  • 3 is a perspective view of a cross section through the base of the embodiment of a fastener according to the invention shown in FIG. 1 and FIG. 2,
  • FIGS. 1 to 3 shows a longitudinal section through the exemplary embodiment of a fastening element according to the invention according to FIGS. 1 to 3 through bellows wall sections
  • FIG. 5 shows a longitudinal section through the embodiment of FIG. 1 to FIG. 4 through engagement socket in a final assembly
  • FIG. 6 shows a cross section through the base of the embodiment according to FIG. 1 to FIG. 5 in the final assembly arrangement.
  • Fig. 1 shows in a perspective view an embodiment of a fastener according to the invention, which is made of a hard elastic plastic material.
  • the embodiment according to FIG. 1 has a head plate 1 with a circular outer circumference and an elongated foot shaft 2, at the head end 3 of which the head plate 1 is formed.
  • the head plate 1 is radially over the solicitschaft 2 over.
  • the foot rest 2 surrounds an interior space 4 which is accessible from an upper side of the fastening element facing the viewer in the illustration according to FIG. 1 via an insertion recess 5 formed in the head plate 1 and in the foot rest 2, but otherwise in the other areas of the foot rest 2 is completely enclosed.
  • the foot shaft 2 has two engaging in the interior 4 engaging base 6, which are diametrically opposed to each other and with facing away from each other arched Engagement surfaces 7 are formed.
  • the engagement surfaces 7 of the engagement socket 6 form portions of the outside of a cylinder.
  • FIG. 2 shows in a perspective view the exemplary embodiment of a fastening element according to the invention according to FIG. 1 with a view of the foot shaft 2 and on the underside of the head plate 1 facing away from the viewer in the representation according to FIG. 1.
  • the footrest 2 is formed with a number of flat flat wall sections 9 extending from the head end 3 in the direction of a foot end 8, on which in each case a latching lug 10 is formed in the region of the head end 3.
  • the detents 10 project radially outward beyond the flat-wall sections 9 and are formed with a rear detent surface 11 which is set steeply to the longitudinal direction of the foot shaft 2 and faces the head plate 1.
  • FIG. 3 shows in a perspective view the embodiment of a fastening element according to the invention according to FIG. 1 and FIG. 2 in section through the foot shaft 2 in the region of the head end 3.
  • FIG. 3 shows that the foot shaft 2 in the illustrated embodiment is formed with four flat wall sections 9, wherein each two flat wall sections 9 adjacent to each other. In the connection region between adjacent flat wall sections 9, the engagement sockets 6 are formed.
  • the foot shaft 2 each have a bellows wall portion 12, which are each formed at a distance from the Eingriffsso- ekel 6 edge on opposite flat wall sections 9, formed with a lower material thickness than the flat wall sections 9 and at the illustrated embodiment over four in the longitudinal direction of the contemplatschaftes. 2 extending strip-like bellows segments 13 have.
  • the bellows segments 13 are oriented relative to each other for planes relative to each other, for example, in continuous bent bellows segments 13 symmetrically through the inflection points or bellows segments 13 with flat surface portions in these flat surface portions, angularly, preferably approximately at right angles, in pairs aligned parallel to each other and in the illustrated embodiment via rounded connection areas connected to each other, so that a zigzagged or wave-like, accordion-like structure is formed.
  • the foot shaft 2 is formed with a tapered foot end 8 with an end section 14 which tapers in the direction of the foot end 8 and on which the bellows wall sections 12 terminate. Furthermore, it can be seen from Fig. 3 that the outer circumference of the foot shaft 2 at least in the region of the head end 3 as a polygon, preferably as shown in Fig. 3 as a hexagon, is formed.
  • FIG. 4 shows the exemplary embodiment of a fastening element according to the invention according to FIGS. 1 to 3 in a longitudinal section through the bellows wall sections 12.
  • FIG. 4 shows that on the head plate 1 a sealing ring 15 extending in the direction of the foot shaft 2 is made of a flexible material Material is molded. Furthermore, it can be clearly seen in FIG. 4 that the interior 4 is completely closed except for the insertion recess 5.
  • FIG. 5 shows, in a longitudinal section through the engagement base 6, the exemplary embodiment of a fastening element according to the invention according to FIGS. 1 to 4 in a final assembly arrangement.
  • the foot shaft 2 is formed in a carrier part 16, corresponding to the outer circumference of the foot shaft 2 in the region of the head end 3 polygonal receiving recess 17 inserted so far that the head plate 1 rests under elastic deformation of the sealing ring 15 on the support member 16.
  • an attachment 18 is shown in FIG.
  • FIG. 6 shows in a cross section the embodiment according to FIGS. 1 to 5 in the final assembly arrangement with a screw 19 screwed into the foot shaft 2 in the region of the largest diameter. From FIG. 6 it can be seen that the bellows segments 13 of the two bellows wall sections 12 are arranged more stretched relative to the relaxed arrangement according to FIG. 3, resulting in the crowning effect of the foot shaft 2 shown in FIG.
  • the bellows wall sections 12 are formed on relatively thick flat wall sections 9 and the engagement pedestals 6 have a spacing from the bellows wall sections 12 formed from at least three bellows segments 13, a pronounced concertina effect with a certainty results for a relatively small footprint in that the relatively thin bellows wall portions 12 are reliably spaced from a screw 19 screwed into the fastener in a final assembly.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Diaphragms And Bellows (AREA)
  • Sealing Devices (AREA)

Abstract

Dans une tige d'embase (2) longitudinale d'un élément de fixation, au moins une section de paroi ondulée (13) formée de segments ondulés orientés en accordéon les uns par rapport aux autres est conçue avec une épaisseur de matériau plus faible que les autres sections de paroi (9). La tige d'embase (2) peut ainsi être élargie de manière proportionnellement large lors de l'insertion d'une vis.
PCT/EP2009/000773 2008-03-05 2009-02-05 Elément de fixation Ceased WO2009109268A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09716572A EP2252801A1 (fr) 2008-03-05 2009-02-05 Elément de fixation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008012769.8 2008-03-05
DE102008012769A DE102008012769A1 (de) 2008-03-05 2008-03-05 Befestigungselement

Publications (1)

Publication Number Publication Date
WO2009109268A1 true WO2009109268A1 (fr) 2009-09-11

Family

ID=40622288

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/000773 Ceased WO2009109268A1 (fr) 2008-03-05 2009-02-05 Elément de fixation

Country Status (3)

Country Link
EP (1) EP2252801A1 (fr)
DE (1) DE102008012769A1 (fr)
WO (1) WO2009109268A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012139909A1 (fr) * 2011-04-15 2012-10-18 A. Raymond Et Cie Écrou enfichable
US20190107135A1 (en) * 2017-10-10 2019-04-11 ITW España, S.A. Affixing device for pieces

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011108934B4 (de) 2011-07-29 2013-02-21 A. Raymond Et Cie Einsteckmutter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1030985B (de) 1954-10-04 1958-05-29 Aackersberg Mortensen Mauerduebel
US4743152A (en) 1984-09-07 1988-05-10 Nifco Inc. Screw grommet
DE19855139A1 (de) 1998-11-30 2000-05-31 Fischer Artur Werke Gmbh Spreizdübel
EP1143157A1 (fr) 2000-04-03 2001-10-10 Aoyama Seisakusho Co., Ltd. Manchon étanche a l'eau
EP1380761B1 (fr) 2002-07-10 2005-09-21 Newfrey LLC Elément de fixation pour une ouverture dans une paroi, en particulier d'une carrosserie de véhicule

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3342098A (en) * 1965-08-16 1967-09-19 Tinnerman Products Inc Sealed expansion fastener

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1030985B (de) 1954-10-04 1958-05-29 Aackersberg Mortensen Mauerduebel
US4743152A (en) 1984-09-07 1988-05-10 Nifco Inc. Screw grommet
DE19855139A1 (de) 1998-11-30 2000-05-31 Fischer Artur Werke Gmbh Spreizdübel
EP1143157A1 (fr) 2000-04-03 2001-10-10 Aoyama Seisakusho Co., Ltd. Manchon étanche a l'eau
EP1380761B1 (fr) 2002-07-10 2005-09-21 Newfrey LLC Elément de fixation pour une ouverture dans une paroi, en particulier d'une carrosserie de véhicule

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012139909A1 (fr) * 2011-04-15 2012-10-18 A. Raymond Et Cie Écrou enfichable
CN103492730A (zh) * 2011-04-15 2014-01-01 A·雷蒙德公司 插入螺母
CN103492730B (zh) * 2011-04-15 2015-09-02 A·雷蒙德公司 插入螺母
US9175714B2 (en) 2011-04-15 2015-11-03 A. Raymond Et Cie Plug-in nut
US20190107135A1 (en) * 2017-10-10 2019-04-11 ITW España, S.A. Affixing device for pieces
US10927871B2 (en) * 2017-10-10 2021-02-23 Illinois Tool Works Inc. Affixing device for pieces

Also Published As

Publication number Publication date
DE102008012769A1 (de) 2009-09-24
EP2252801A1 (fr) 2010-11-24

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