EP2082144A1 - Combinaison d'une vis et d'une douille et procédé de fabrication de cette combinaison - Google Patents

Combinaison d'une vis et d'une douille et procédé de fabrication de cette combinaison

Info

Publication number
EP2082144A1
EP2082144A1 EP06806381A EP06806381A EP2082144A1 EP 2082144 A1 EP2082144 A1 EP 2082144A1 EP 06806381 A EP06806381 A EP 06806381A EP 06806381 A EP06806381 A EP 06806381A EP 2082144 A1 EP2082144 A1 EP 2082144A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
screw
combination
threaded portion
parts
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Withdrawn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
EP06806381A
Other languages
German (de)
English (en)
Inventor
Matthias Hermann
Carsten Baelum
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.)
ElringKlinger AG
Original Assignee
ElringKlinger AG
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 ElringKlinger AG filed Critical ElringKlinger AG
Publication of EP2082144A1 publication Critical patent/EP2082144A1/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Withdrawn legal-status Critical Current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
    • F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
    • F16B41/002—Measures against loss of bolts, nuts or pins
    • 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
    • F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
    • F16B43/005—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts engaging the bolt laterally to allow a quick mounting or dismounting of the washer, i.e. without the need to engage over the end of the bolt
    • F16B43/007—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts engaging the bolt laterally to allow a quick mounting or dismounting of the washer, i.e. without the need to engage over the end of the bolt in two or more parts

Definitions

  • the present invention relates to a combination of a screw with a screw head, a threaded portion and a between the
  • Screw head and the threaded portion arranged shaft portion whose
  • Outer diameter is smaller than the outer diameter of the threaded portion, and a sleeve having a throat portion whose inner diameter is smaller than the outer diameter of the threaded portion.
  • Such a combination is known from DE 199 24 502 C2.
  • the bottleneck region is formed on a washer connected to the sleeve.
  • the washer and / or sleeve are slotted to allow the sleeve and / or washer to widen and snap back over the threaded portion of the screw as the throat portion formed by the washer passes over, after the throat portion is fully slid over the threaded portion.
  • the present invention has for its object to provide a combination of the aforementioned type, which is easy to manufacture and yet ensures a secure fit of the sleeve on the screw.
  • the sleeve is formed in several parts at least in its bottleneck area, that the shaft portion of the screw passes through the bottleneck region of the sleeve and that the several parts of the sleeve connected to each other are that the sleeve is held captive on the screw.
  • the present invention is based on the concept, at least in the bottleneck region of the sleeve composed of several sleeve parts, which can be brought in a direction transverse to the longitudinal axis of the screw to the screw and then connected to each other to form an undercut representing bottleneck area.
  • the portions of the plurality of sleeve parts which form the narrow region can be formed on the sleeve parts even before the sleeve parts are arranged on the screw, so that no deforming machining of the sleeve is required after arranging the sleeve parts on the screw.
  • the sleeve is formed in two parts at least in its bottleneck area.
  • each part of the sleeve extends over a circumferential angle of approximately 180 °.
  • each sleeve part forms one half of the sleeve.
  • the combination further comprises an annular element which surrounds the several parts of the sleeve.
  • This annular element can be held positively and / or positively on the sleeve.
  • the annular member may be formed as an elastic member to achieve vibration isolation of the combination of screw and sleeve from the components to be joined by the combination.
  • the annular element may in particular comprise an elastomeric material.
  • the sleeve has at its screw head end portion a radially outwardly projecting collar.
  • a collar can serve in particular as a support surface for the screw head of the screw, so that the sleeve can also assume the function of a washer.
  • the sleeve has at its end remote from the screw head end a radially outwardly projecting collar.
  • a radially outwardly projecting collar can in particular serve as an undercut, which retains the annular element in a form-fitting manner on the sleeve.
  • the sleeve is provided at its throat area with a radially outwardly projecting collar.
  • the sleeve is divided over its entire longitudinal direction away into several parts.
  • the combination does not have a washer made separately from the sleeve.
  • the present invention further relates to a method for producing a combination of a screw with a screw head, a threaded portion and a shaft portion arranged between the screw head and the threaded portion, the outer diameter of which is smaller than the outer diameter of the threaded portion, and a sleeve having a throat portion. whose inner diameter is smaller than the outer diameter of the threaded portion.
  • the present invention has the further object of providing a method for producing such a combination, which is easy to carry out and leads to a secure hold of the sleeve on the screw.
  • This object is achieved according to the invention by a method comprising the following method steps: Providing a multi-part sleeve at least in its narrow area;
  • annular member is further slid onto the sleeve such that it surrounds the plurality of parts of the sleeve and thereby interconnects the plurality of parts of the sleeve and secures them from moving away from the screw.
  • Figure 1 shows a schematic section through an assembly of a first component and a second component, which are fixed by means of a screw with captive held on the screw sleeve and by means of elastomer elements vibration-decoupled together.
  • FIG. 2 shows a schematic longitudinal section through the screw with sleeve and elastomer element from FIG. 1;
  • FIG. and Fig. 3 is a schematic perspective view of the assembly of the combination of the screw, the sleeve and the elastomeric element.
  • annular elastomeric sealing member 114 having an upper sealing lip 116 and lower sealing lips 118 and a radially into the interior of the elastomeric sealing member 114 projecting collar 120, and a combination 122 of a screw 124, a captive on the screw 124 held sleeve 126 and a ring-shaped end member of the sleeve 126 surrounding a ring-shaped, annular element 128 which is positively and / or non-positively fixed to the sleeve 126.
  • the screw 124 comprises a screw head 130, which may be formed, for example, as a hexagonal screw head, a threaded portion 132 having an outer diameter D, a shaft portion 134 disposed between the threaded portion 132 and the screw head 130, the outer diameter d of which is smaller than the outer diameter D of FIG Threaded portion 132, and an adjoining the screw head 130 side of the threaded portion 132 subsequent end portion 136, whose outer diameter is smaller than the outer diameter D of the threaded portion 132 and smaller than the outer diameter d of the shaft portion 132 of the screw 124.
  • the sleeve 126 is, as can be seen from Figs. 1 and 2, formed as a hollow cylinder and at its screw head end with a radially outwardly projecting outer screw head side collar 140 and with a radially inwardly projecting inner screw head side collar 136 and At its end facing away from the screw head 130 with a protruding in the radial direction outwardly threaded region-side collar 138 is provided.
  • the sleeve 126 has an inner diameter D 1 , which is slightly larger than the outer diameter D of the threaded portion 132 of the screw 124.
  • a bottleneck region 142 is formed, on which the sleeve 126 has a reduced inner diameter d 1 , which is slightly larger than the outer diameter d of the shank portion 134 of the screw 124 and smaller than the outer diameter D of the threaded portion 132 of the screw 124, so that the threaded portion 132 can not be moved through the throat portion 142 of the sleeve 126.
  • the sleeve 126 is along one of its longitudinal central planes passing through the longitudinal central axis 144 of the sleeve 126.
  • the two sleeve parts 146a, 146b each extend over a circumferential angle of 180 ° and are formed identical to one another, whereby the number of different components required for the combination 122 is reduced.
  • the sleeve parts 146a, 146b and the screw 124 are preferably formed of a metallic material, in particular of a steel material.
  • the annular element 128 is preferably formed of an elastic material, for example of an elastomeric material.
  • the annular member 128 has an inner abutment surface 150 for abutment with the outer side 152 of the sleeve 126, a flat screw-head-side abutment surface 154 for engaging the underside 156 of the outer helical-side collar 140 of the sleeve 126 and a component abutment surface 158 facing away from the outer screw head-side collar 140 for abutment against a top side 160 of the first component 102.
  • the screw head-side upper region of the inside of the annular element 128 is chamfered, so that the interior surrounded by the annular element 128 expands toward the screw head-side contact surface 154, for example conically.
  • This extension of the interior of the annular member 128 facilitates pulling the annular member 128 over the threaded portion collar 138 of the sleeve 126, which will be explained later.
  • the screw 124 is inserted into the first sleeve part 146a so that the shaft portion 134 of the screw 124 comes to rest on the throat portion 142 of the first sleeve part 146a.
  • the second sleeve part 146b is placed in a direction perpendicular to the longitudinal axis 162 of the screw 124 extending direction 164 on the first sleeve portion 146a that the contact surfaces 148 of both sleeve parts 146a, 146b come together to cover and abutment and the two sleeve parts 146a, 146b itself without offset in the direction of the longitudinal central axis 144 of the sleeve 126 to the complete sleeve 126 supplement.
  • the annular element 128 is now pushed onto the outside 152 of the sleeve 126 from the thread-area-side end region of the sleeve 126.
  • the annular member 128 After the annular member 128 has passed the threaded portion collar 138 of the sleeve 126, the annular member 128 is further displaced along the longitudinal axis 162 of the screw 124 toward the screw head 130 until with its screw head-side abutment surface 154 on the underside 156 of the outer screw head federal 140 of the sleeve 126 is applied.
  • annular member 128 is held by frictional engagement and additionally by the threaded portion-side collar 138, which forms an undercut, positively on the sleeve 126, so that the annular member 128 is connected captively with the screw 124.
  • the external thread of the threaded portion 132 of the screw 124 is screwed into the internal thread of the threaded blind hole 108 on the second component 106.
  • the screw 124 and the sleeve 126 extend through the passage opening 104 on the first component 102 therethrough.
  • the sleeve 126 is supported on the first member 102 via the resilient annular member 128 so that the sleeve 126 and the screw 124 are vibrationally decoupled from the first member 102.
  • the sleeve 126 extends to the threaded portion 132 of the screw 124 and the inner diameter D 1 of the sleeve 126 is only slightly larger than the outer diameter D of the threaded portion 132, the longitudinal center axis 144 of the sleeve 126 and the longitudinal axis 162 of the screw 124 in the mounted state of the assembly 100 is arranged substantially coaxially.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dowels (AREA)

Abstract

Pour former une combinaison constituée d'une vis dotée d'une tête de vis, d'une partie filetée et d'une partie de tige disposée entre la tête de vis et la partie filetée et dont le diamètre extérieur est plus petit que le diamètre extérieur de la partie filetée, et d'une douille qui présente une zone étroite dont le diamètre intérieur est plus petit que le diamètre extérieur de la partie filetée, laquelle combinaison doit être fabriquée aisément tout en garantissant un maintien sûr de la douille sur la vis, selon l'invention, il est prévu de former la douille en plusieurs parties au moins dans sa zone étroite, que la partie de tige de la vis traverse la zone étroite de la douille et que les différentes parties de la douille soient reliées les unes aux autres de telle sorte que la douille soit maintenue sur la vis de manière non libérable.
EP06806381A 2006-10-19 2006-10-19 Combinaison d'une vis et d'une douille et procédé de fabrication de cette combinaison Withdrawn EP2082144A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/010068 WO2008046436A1 (fr) 2006-10-19 2006-10-19 Combinaison d'une vis et d'une douille et procÉdÉ de fabrication de cette combinaison

Publications (1)

Publication Number Publication Date
EP2082144A1 true EP2082144A1 (fr) 2009-07-29

Family

ID=37951998

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06806381A Withdrawn EP2082144A1 (fr) 2006-10-19 2006-10-19 Combinaison d'une vis et d'une douille et procédé de fabrication de cette combinaison

Country Status (3)

Country Link
US (1) US20080145180A1 (fr)
EP (1) EP2082144A1 (fr)
WO (1) WO2008046436A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2977286B1 (fr) 2011-06-30 2016-11-25 Airbus Operations Sas Entretoise ajustable en longueur
WO2013009804A1 (fr) * 2011-07-12 2013-01-17 Illinois Tool Works Inc. Dispositif de retenue d'élément de fixation
US10767386B2 (en) 2016-07-15 2020-09-08 Safety Maker, Inc. Washer assembly for use in affixing a guardrail support to a surface
EP3610992A1 (fr) * 2018-08-13 2020-02-19 Hilti Aktiengesellschaft Ensemble à vis imperdable
AT522085B1 (de) * 2019-06-27 2020-08-15 Sihga GmbH Halter für das Fixieren einer Dämmstoffschicht
US11337370B2 (en) * 2020-03-18 2022-05-24 Honda Motor Co., Ltd. Engine mounting structure for walk-behind wheeled machine
US11603879B2 (en) 2020-05-22 2023-03-14 Hamilton Sundstrand Corporation Captive fastener systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2036152A (en) * 1935-10-11 1936-03-31 Langman Ransom Easily removable washer
DE3372399D1 (en) * 1982-10-27 1987-08-13 Rawlplug Co Ltd Tubular member
DE19510349C2 (de) * 1995-03-22 1997-03-20 Gloeckler Dichtsysteme Guenter Verbindungselement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008046436A1 *

Also Published As

Publication number Publication date
WO2008046436A1 (fr) 2008-04-24
US20080145180A1 (en) 2008-06-19

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