EP0683303B1 - Connection à cheville annulaire - Google Patents

Connection à cheville annulaire Download PDF

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Publication number
EP0683303B1
EP0683303B1 EP95105713A EP95105713A EP0683303B1 EP 0683303 B1 EP0683303 B1 EP 0683303B1 EP 95105713 A EP95105713 A EP 95105713A EP 95105713 A EP95105713 A EP 95105713A EP 0683303 B1 EP0683303 B1 EP 0683303B1
Authority
EP
European Patent Office
Prior art keywords
annular groove
metal sleeve
sleeve
metal
components
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.)
Expired - Lifetime
Application number
EP95105713A
Other languages
German (de)
English (en)
Other versions
EP0683303A1 (fr
Inventor
Adolf Bucher
Heinrich Prof. Günther
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.)
Treppenmeister Partnergemeinschaft Holztreppenhersteller GmbH
Original Assignee
Treppenmeister Partnergemeinschaft Holztreppenhersteller 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 Treppenmeister Partnergemeinschaft Holztreppenhersteller GmbH filed Critical Treppenmeister Partnergemeinschaft Holztreppenhersteller GmbH
Publication of EP0683303A1 publication Critical patent/EP0683303A1/fr
Application granted granted Critical
Publication of EP0683303B1 publication Critical patent/EP0683303B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/48—Dowels, i.e. members adapted to penetrate the surfaces of two parts and to take the shear stresses
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/08—Special construction of longitudinal members, or rungs or other treads

Definitions

  • the invention relates to a connection of two surfaces lying one against the other Components, at least one of which is made of wood, with one through Bores and both components extending and these using a nut mutually bracing cap screw, an annular groove in each wooden component, which is at a concentric distance to the hole, which is about corresponds to one to two times the diameter of the bore, whereby that of the Contact surface outgoing axial depth of the annular groove about 1/5 of their Diameter corresponds and their radial width at least 1.5 to 2.0 mm and with a metal sleeve that can be inserted into the ring groove (s).
  • DIN 1052 is used to create connections between two wooden components the aforementioned type consisting of a metal sleeve ring dowel known, which is concentric to a connecting screw in the wooden components be pressed in, for the positioned arrangement of the metal sleeve a prepared groove can be provided.
  • a metal sleeve ring dowel known, which is concentric to a connecting screw in the wooden components be pressed in, for the positioned arrangement of the metal sleeve a prepared groove can be provided.
  • Ring dowels become transverse forces acting on the connection, insofar as they are generated by the connecting screw on the contact surfaces of the wooden components Clamping and frictional force exceed from the connecting screw and taken up and removed from the surrounding wood.
  • the relatively small size of the connecting screw and the bore walls in the wood to extreme surface pressures with resulting deformations and cracks in the wood.
  • connection by means of a
  • wooden components in the area of the ring dowel crossing the joint improved when the connecting screw is essentially only loaded on train is and the largest proportion of the shear load on the connection over the much larger inner and outer peripheral surfaces of the metal sleeve is transferred between the wooden components.
  • the ring dowel works thus deformation, cracking and splitting of the wood in the area towards the connecting screw.
  • the known ring dowels are not able to connect the above-described type effective against larger shear stresses secure because the metal sleeves become oval with increasing lateral force Deform cross sections, both of which are enclosed by the metal sleeve as well as deforming and damaging the wood surrounding it and the connection loses its strength.
  • This disadvantage occurs particularly for connections between a wooden component and e.g. a metal or concrete component, in which the metal sleeve is only in the wooden component is pressed in, but does not bridge the parting line between the two components.
  • DE-C-833 559 discloses a dovetail-like connection between two butt-lying wooden components using two die Parting gap bridging flexible partial dowel known, each in the parting line colliding at an obtuse angle, appropriately dimensioned Insert holes of both components inserted and with these be glued.
  • the partial dowels consist of channel-shaped ones Half-shells of relatively rigid material which can be inserted into the receiving holes through an outer central band to a tubular Arrangement are held together.
  • To the gutter-shaped To be able to bend partial dowels they are in individual, side by side Dowel bars divided. So that the dowel rods from the tubular arrangement not collapse into a disorderly bunch, they are in the area their ends each supported by the circumference of circular discs.
  • the two discs have the further task of inserting the dowel rods into the to direct inclined bores and them during the process To support bending so that the open edges of the holes are not be damaged or split up. Because the dowel rods during the bending process near the center of the pipe axis, the disks have the additional task, the bars at their bending or kinking apexes radially to be forced outwards against the outer band remaining in the joint. Finally, the disks each come into a position opposite the contact surface each component recessed so that they are there after gluing Connect both part anchors uniformly on both sides of the joint.
  • the object of the invention is to combine the above-described Kind of to improve and design that it through easy and precise assembly of your elements can be made quickly and at Ensuring dimensional stability of the metal sleeve even in the case of large ones Cross loads harmful surface pressures between the connecting screw and able to avoid these receiving holes is.
  • the proposed connection enables a quick, accurate assembly of the associated individual parts by forcing the metal sleeve and the metal disk into the prepared, dimensionally coordinated annular groove (s) or recess. Since the sleeve is stiffened by the washer, which is crossed and supported by the connecting screw, it can no longer deform even under high transverse loads. Due to the shape stability of the sleeve, a particularly favorable large-scale transmission of the shear forces into the intact, surrounding and enclosed wood of the sleeve is guaranteed.
  • the recessed surface area of the wooden component preferably has opposite the thickness of the metal disc is a slight excess and is the axial depth of the annular groove with a slight excess in relation to the length of the Metal sleeve executed, which ensures that both components when Do not clamp using the connecting screw due to constraints are prevented from lying against each other over the entire surface due to the disc or sleeve.
  • the metal sleeve can consist of a longitudinal section consist of a round tube and on their front sides for free Insertion in the ring groove or for the positive reception of the metal disc on the inner and outer circumference with deburred or broken Edges.
  • the metal sleeve is at most double as long as the axial depth of an annular groove, so that through the metal disc The resulting stiffening is effective over the entire length of the sleeve is.
  • the power transmission between the connecting screw and To keep the metal disc largely free of play and on the other hand during assembly to be able to easily slide the washer onto the screw shows the Central disc opening in relation to the screw diameter expedient smallest tolerances.
  • annular sleeve 10 is in the one-sided version 10a with axial extension B2 and double-sided version 10b with axial extension B1 reproduced, and a disc 12 with a concentric Opening 24 and a thickness S, the outer diameter Di 'only is slightly smaller than the inner diameter Di der Ring sleeve 10 so that the disc 12 without play in the sleeve 10th can be introduced.
  • FIG. 2 shows a one-sided ring dowel connection, with which a wooden component 16 with a component 22, e.g. made of metal or concrete, is connected flat to one another.
  • the one-sided ring sleeve 10a is concentric to one Through hole 26 arranged groove 14 is inserted, which in Wooden component at a depth e.g. is milled, which is slightly larger is than the axial extent B2 of the sleeve 10a.
  • the disc 12 is in a concentric in the wooden component 16 Through hole 26 arranged circular recess 18th housed the one with respect to the thickness S of the disc 12 has a slight oversize.
  • a transverse force on the wooden component 16 i.e. a Force transversely to the longitudinal axis of the connecting screw 20, then this over the sleeve 10a on the disc 12, from there to the Transfer screw 20 and thus also transferred to component 22.
  • the disk 12 distributes the force over the entire Sleeve circumference and prevents deformation of the sleeve 10a.
  • the diameter of the through hole 26 is with respect to the screw diameter shown exaggerated in Fig. 2, so that intended slight play between the window opening 24 and the connecting screw 20 can be seen.
  • a groove 28 in the wooden component 30 concentric to the through hole 26 and the groove 14 opposite arranged.
  • the double long ring sleeve 10b extends into both grooves 14 and 28, here too the total groove depth is greater than the axial length B1 Sleeve 10b.
  • the recess 18 for the disk 12 in the component 16 could alternatively be provided in the component 30, because the radial Support (shape retention) of the ring sleeve 10b is sufficient a disc 12, which in any case in the area of the contact surfaces both components 16, 30 is arranged.
  • An essential aspect of the dowel connection according to the invention is that despite great forces only very small deformations the ring sleeve 10 occur and thereby on the of Disc 12 stabilized ring sleeve 10 just within the Sleeve 10 are permanent wood to absorb forces Available. This creates the possibility of a highly resilient Establish connection especially in such cases in which the wood cover outside the sleeve 10 is very small due to the component dimensions, for example at Wooden steps.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Dowels (AREA)
  • Inorganic Insulating Materials (AREA)

Claims (6)

  1. Assemblage de deux éléments plats adjacents dont au moins l'un est en bois, comprenant :
    une vis à tête (20) qui s'étend à travers des perçages (26) des deux éléments et les serre l'un contre l'autre au moyen d'un écrou,
    une rainure annulaire (14) ménagée dans chaque élément en bois, qui s'étend concentriquement au perçage (26), à une distance de ce dernier qui correspond à peu près à une ou deux fois le diamètre du perçage,
    la profondeur axiale de la rainure annulaire, mesurée en partant de la surface de portée, correspondant à peu près à 1/5 de son diamètre et sa largeur radiale valant au moins 1,5 à 2,0 mm,
    ainsi qu'une douille métallique (10) qui peut être introduite dans la ou les rainures annulaires,
       caractérisé
       en ce que la douille métallique (10) est adaptée très exactement aux dimensions de la ou des rainures annulaire(s) (14, 28) et peut être introduite dans ces rainures sans action de force,
    l'un des deux éléments en bois (16, 30) est muni d'une zone de surface plane (18), plus profonde d'environ 2 à 3 mm, entre le perçage (26) et la rainure annulaire,
    et en ce qu'une rondelle métallique (12) qui est adaptée à la zone de surface plus profonde ainsi qu'au diamètre intérieur de la douille métallique (10) et peut être introduite dans cette douille sans contrainte présente une ouverture centrale (24) de passage de la vis.
  2. Assemblage selon la revendication 1, caractérisé en ce que la zone de surface plus profonde (18) de l'élément en bois (16) possède une légère surcote par rapport à l'épaisseur de la rondelle métallique (12).
  3. Assemblage selon la revendication 1 ou 2, caractérisé en ce que la profondeur axiale de la rainure annulaire (14) est réalisée avec une légère surcote par rapport à la longueur de la douille métallique (10).
  4. Douille métallique appartenant à un assemblage selon la revendication 1 ou 2, caractérisée en ce qu'elle est constituée par un tronçon de longueur d'un tube rond et est munie d'arêtes chanfreinées ou abattues au droit de ses faces frontales, le long de ses circonférences intérieure et extérieure, de façon à être introduite sans action de force dans la rainure annulaire et, respectivement, à pouvoir recevoir la rondelle métallique (12) sans action de force.
  5. Douille métallique selon la revendication 6, caractérisée en ce que dans le cas de l'assemblage de deux éléments en bois (16, 30), elle est au maximum d'une longueur double de la profondeur axiale d'une rainure annulaire.
  6. Rondelle métallique appartenant à un assemblage selon la revendication 1 ou 2, caractérisée en ce que son ouverture centrale (24) présente des tolérances extrêmement faibles par rapport au diamètre de la vis.
EP95105713A 1994-05-16 1995-04-15 Connection à cheville annulaire Expired - Lifetime EP0683303B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9407892U DE9407892U1 (de) 1994-05-16 1994-05-16 Ringdübel-Verbindung
DE9407892U 1994-05-16

Publications (2)

Publication Number Publication Date
EP0683303A1 EP0683303A1 (fr) 1995-11-22
EP0683303B1 true EP0683303B1 (fr) 1998-07-15

Family

ID=6908584

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95105713A Expired - Lifetime EP0683303B1 (fr) 1994-05-16 1995-04-15 Connection à cheville annulaire

Country Status (3)

Country Link
EP (1) EP0683303B1 (fr)
AT (1) ATE168448T1 (fr)
DE (2) DE9407892U1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005019719B4 (de) * 2005-04-25 2010-01-28 Hubert Nowack Verbindungsanordnung in einem aus Konstruktionsteilen gebildeten Tragwerk, Verbindungssystem sowie Verbindungsmittel
DE102008012517B3 (de) 2008-03-04 2009-10-15 Hubert Nowack Verbindungsmittel für ein Tragwerk aus wenigstens zwei Konstruktionsteilen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE833559C (de) * 1949-12-01 1952-03-10 Curt Weinert Verbindung von stumpf gegeneinander stossenden Teilen aus Holz und anderen holzaehnlich verwendbaren Werkstoffen

Also Published As

Publication number Publication date
DE59502804D1 (de) 1998-08-20
DE9407892U1 (de) 1995-06-14
EP0683303A1 (fr) 1995-11-22
ATE168448T1 (de) 1998-08-15

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