EP3129663A1 - Dispositif de liaison et liaison au moyen d'un dispositif de liaison - Google Patents

Dispositif de liaison et liaison au moyen d'un dispositif de liaison

Info

Publication number
EP3129663A1
EP3129663A1 EP15715691.0A EP15715691A EP3129663A1 EP 3129663 A1 EP3129663 A1 EP 3129663A1 EP 15715691 A EP15715691 A EP 15715691A EP 3129663 A1 EP3129663 A1 EP 3129663A1
Authority
EP
European Patent Office
Prior art keywords
annular disc
screw head
screw
nut
bore
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Withdrawn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
EP15715691.0A
Other languages
German (de)
English (en)
Inventor
Winfried K. W. Holscher
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.)
Flaig Hartmut
Original Assignee
Flaig Hartmut
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 Flaig Hartmut filed Critical Flaig Hartmut
Publication of EP3129663A1 publication Critical patent/EP3129663A1/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Withdrawn legal-status Critical Current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
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041—Specially-shaped shafts
    • F16B35/044—Specially-shaped ends
    • F16B35/045—Specially-shaped ends for retention or rotation by a tool
    • 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
    • F16B13/06—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 combined with expanding sleeve
    • F16B13/063—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 combined with expanding sleeve by the use of an expander
    • 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
    • F16B43/004—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts with a radial cut in order to improve elasticity of the washer
    • 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
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread

Definitions

  • the invention relates to a connecting device for flat substrates, in particular for PMMA sheets (acrylic glass), FRP plates, plastic plates or light metal alloy plates, preferably with a thickness extending perpendicular to the surface extension between 0.5 cm and 10 cm, preferably between 0, 5 cm and 5 cm, even more preferably between 0.5 cm and 2 cm 'according to claim 1 and a compound produced according to such a connecting device according to. Claim 9.
  • a fastening device for a vehicle rail is known from EP 0 950 569 B1, which has an element, which is toothed on the outer circumference and can be expanded in the radial direction, for introduction into a blind hole opening of a roof rail foot.
  • the element is associated with a screw head having a screw which has a radially projecting nose in the region of its screw head, which serves as an anti-rotation device for the screw (fixing bolts) and engages in an axially continuous radial groove of the expandable element.
  • the screw head projects beyond the expandable element in the axial direction, whereby the axial construction space is comparatively large, so that the known connection device is not suitable for use in flat substrates.
  • requires the radially projecting nose a special adjustment of the radially expandable element, which makes the device as a whole expensive and structurally complex.
  • the fastening bolt used has a solid material shaft which has an external thread.
  • FR 2 176 390 A5 describes an elongated plug for use in masonry, as well as GB 2 016 106 A.
  • the invention has for its object to provide a connection device for flat substrates, with the components festleg on flat substrates are bar and / or the flat substrates are fixed to support structures, without the need both surface sides of the flat, in particular plate-shaped substrate to destroy while ensuring a high level of security against large tensile loads.
  • the object is to provide a compound of a flat substrate and such a connection device. This object is achieved with regard to the connecting device with the features of claim 1 and with regard to the connection with the features of claim 9.
  • the invention is based on the idea to provide a connecting device which is able to be anchored in the substrate material on the inner circumference of a connecting device partially receiving bore, in particular a blind hole, and at the same time can apply a high clamping effect in the radial direction to the connecting device due to hold the anchoring positively and at the same time non-positively over the jamming or radial distortion.
  • the connecting device has an expandable in the radial direction, preferably metallic, most preferably slotted annular disc (expansion element), which is penetrated by a screw head and a shaft with external thread having clamping screw, wherein the annular disc in a (not belonging to the connecting device) bore, in particular a blind hole in the substrate is receivable, and wherein the annular disc in the radial direction can be braced or expanded, by a further provided, to be screwed to the outer thread of the clamping screw nut of the connecting device, which together with the screw head receives the annular disc between them, to expand the annular disc by axial clamping in the radial direction and bring in this way in the radial direction a clamping or clamping force on the inner circumference of the bore, while doing the shell-side O.
  • the connecting device has an expandable in the radial direction, preferably metallic, most preferably slotted annular disc (expansion element), which is penetrated by a screw head and a shaft with external thread having
  • the annular disc at a connection made with the connection device to a greater hardness than the substrate material in order to produce a corresponding molding or production of a positive engagement in the axial direction in a simple manner.
  • the annular disc has an at least approximately cylindrical outer contour.
  • the screw head well-trained and / or polygonal and / or multi-round is formed and / or drive-free, at least designed so that this at least with conventional drive tools, such as open-end wrenches, Allen keys, other Polygonal keys or multi-round keys such as Torx Beingln is not driven or actuated.
  • conventional drive tools such as open-end wrenches, Allen keys, other Polygonal keys or multi-round keys such as Torx Beingln is not driven or actuated.
  • a rear i. facing away from the shaft end face over its entire surface and planar, so has no recess for receiving a drive tool.
  • the screw head which, preferably with its screw head completely received within the annular disc, clamping screw, the screw head is preferably completely recessed into the substrate to hold when screwing the nut for clamping the washer, it is according to the Invention advantageously provided that the clamping screw in the region of its front, facing away from the screw head shaft end a drive, preferably in the form of a drive recess, preferably a polygonal or Mehrrundverianaung.
  • a component to be fixed via the connecting device to the flat substrate for example a flange, in particular an angular flange, is received axially between the nut and the annular disc and braced against the flat substrate and / or the annular disc by means of the nut.
  • a washer can be provided between the component to be fixed and the nut be and / or between the component to be determined and the annular disc.
  • the connecting device in which the annular disc is slotted, preferably axially continuously radially, in order thus to facilitate the radial widening and thus the application of a clamping force to the inner circumference of a bore receiving the annular disc.
  • the annular disc is plastically deformable by the axial clamping in the radial direction and / or a predetermined breaking point, i. has a material weakening area.
  • the specific embodiment of the surface structure which is preferably provided on a substantially cylindrical lateral surface section, there are different possibilities.
  • the surface structure is such that the surface structure is formed by applying the axial clamping force and converting the axial clamping force into a radial widening of the annular disc into the substrate material.
  • punctiform elevations for example conical or pyramidal or irregularly shaped elevations.
  • the surface structure is grooved, that is to say it has a groove, preferably with a plurality of grooves arranged axially next to one another.
  • the surface structure may be formed as a knurling and / or be implemented in the form of an external thread.
  • the surface structure or structure elevations are arranged substantially at least approximately distributed identically over the, preferably substantially cylindrical lateral surface.
  • the elevations are provided only on a surface portion of the lateral surface of the annular disc, thus increasing the surface pressure.
  • a corresponding inclined surface should be provided on the annular disk and / or on the screw head.
  • the annular disc is arranged at an angle to the longitudinal axis of the clamping screw, preferably conical, even more preferably at least approximately concentric with the longitudinal central axis of the screw arranged contact surface for contacting, i. to interact with the screw head of the clamping screw.
  • the screw head with an angle to the longitudinal center axis arranged, in particular conical contact surface, for interaction, i.
  • annular disc in particular a likewise inclined contact surface of the annular disc may be formed. It is particularly preferred if both the annular disc and the screw head is designed with a corresponding contact surface, wherein it is even more preferred if the angle of inclination of the contact surface to the longitudinal central axis of the screw is at least approximately equal.
  • the screw head of the clamping screw is designed as a countersunk head, in particular such that the countersunk head, for example, in the already not strained state of the annular disc and / or (only) in the clamped state of the annular disc, ie at attracted Mutier is completely within the annular disc can be received, such that a rear end of the screw head does not project beyond the annular disc in the direction of a preferably provided hole bottom, in particular such that only the annular disc or alternatively the annular disc together with the rear end face of the screw head a contact surface for conditioning forms / form on the aforementioned bore bottom of the annular disc receiving bore in the substrate.
  • the nut does not directly contact the annular disc or an axially provided between the annular disc and the nut, festlampdes, preferably penetrated by the clamping screw, component contacted (which is alternatively conceivable), but if between the nut and washer one of the clamping screw interspersed washer is provided.
  • the nut preferably directly with an abutment shoulder ⁇
  • the abutment shoulder preferably in the form of an annular shoulder, which is still more preferably in the axial and slotted radial direction, the actual annular disc projects beyond in the radial direction.
  • the latter embodiment is particularly advantageous for an application in which a component to be fixed by means of the connecting device is not arranged axially between the nut and the annular disc, but the nut is screwed directly against the annular disc or its abutment shoulder to the annular disc with a defined clamping force to act on.
  • the component to be fixed to the flat substrate by means of the connecting device is preferably fixed axially behind the nut by screwing or fitting onto the shank of the externally threaded clamping screw
  • the nut is braced for bracing the annular disc preferably exclusively on the annular disc or on its integral abutment shoulder and not on the flat substrate.
  • the clamping screw with its external thread is not 29raubbar with the annular disc, to which the annular disc preferably has no internal thread, more preferably a through hole with a smooth inner circumference, in any case, the clamping screw should not be clamped state of the mother be relatively displaced by a simple axial movement to the annular disc.
  • the invention also leads to a compound comprising a flat substrate, in particular a PMMA plate, a GRP plate, a plastic plate or a light metal alloy plate, for example an aluminum plate and a trained according to the concept of the invention, the connecting device in sections in a bore, preferably a blind hole of the flat substrate is received, such that the annular disc is clamped in the radial direction against the inner circumference of the bore and at the same time the surface structure on the outer lateral surface; i.e. is formed on the outer circumference of the annular disc in the substrate material.
  • the material of the annular disc is harder than the substrate material.
  • connection comprises a further component, which is connected via the clamping screw or the connecting device fixed to the flat substrate.
  • connection device can be used to connect the planar substrate to a substrate carrier, which is then part of the further development according to the invention.
  • FIG. 2b shows different, partially sectional views of an alternative annular disk with contact shoulder for a nut of the connecting device
  • FIG. 3b different, partially sectioned views of a
  • FIG. 4 shows a connection made with a connecting device according to the invention.
  • like elements and elements having the same function are denoted by the same reference numerals.
  • annular disk 1 designed as an axially and radially slotted expansion body is shown for a connecting device.
  • a central through hole 2 for receiving a clamping screw.
  • annular disc 1 has on its outer circumferential surface 3 a surface structure 4 in the form of a groove,
  • the figures an inner, trained as an inner annular shoulder, oblique contact surface 5 can be seen, which serves to bear a bottom of a screw head of the clamping screw to apply by tightening the nut an axial force, which is converted by the inclined surface in a radial force component, which in turn a tension of the annular disc 1 on the inner circumference of a bore receiving the annular washer care, as well as for molding or digging the surface structure 4 in the radial direction in the inner circumference of the bore.
  • the contact surface 5 is designed as an inner cone surface.
  • annular disc 1 The axial extent of the annular disc 1 is dimensioned or matched to the configuration and dimension of the screw head of the clamping screw, not shown, that the screw head of the clamping screw axially in the annular disc 1 and in the through hole 2 is receivable, so these no longer in the axial direction projected in the plane of the drawing of FIG. 1a upwards.
  • annular shoulder is formed on the annular disk 1. formed —er 6, which projects beyond the lateral surface 3 with its surface structure 4 in the radial direction.
  • FIGS. 3a and 3b an embodiment of a clamping screw 8 is shown.
  • This comprises a rear screw head 9 for interaction with an annular disc and an elongated shaft 10 with external thread 11 for receiving a nut, not shown.
  • Trained as a countersunk screw clamping screw 8 has at its screw head on a bottom on a contact surface 12, for resting on the contact surface 5 of an annular disc 1 according to FIGS. 1a to 2b.
  • the screw head 9 is drive-free and has no recess. Instead, a central recess 13 is provided in a front region of the shaft, ie in the region of a front end of the shaft, which is designed as a drive, for example in the concrete embodiment as a polygonal drive for receiving a polygonal key.
  • the recess 13 and the drive is used to hold the clamping screw when tightening the annular disc by means of the screwed onto the external thread 11 nut.
  • a complete connection device 14 is shown as part of a connection 15.
  • the annular disc 1 used is configured analogously to the exemplary embodiment according to FIGS. 2a to 2b.
  • an annular disk according to FIGS. 1a and 1b can be used.
  • the annular disc 1 is received in a bore 16 formed as a blind bore of a flat substrate 17.
  • the Aniageschulter 6 formed on the annular disc 1 rests on a surface side of the substrate 17, but could also be partially or completely recessed within the substrate 17 in a configuration of the bore 16 as a stepped bore.
  • the embodiment shown serves in particular to tension the annular disk with a defined torque or a defined force in the radial direction, which is possible because the nut 18 is not supported on the substrate 17, but directly on the annular disk with its contact shoulder.
  • a component to be bonded to the substrate 17 via the connecting device 14 is fixed to the shaft section protruding beyond the nut 18, in particular by bracing with a further nut, for example a wing nut.
  • the clamping screw 8 is completely taken with its screw head 9 in the annular disc 1, so this does not project beyond the rear.
  • the annular disc 1 which is widened in the radial direction, is clamped by clamping the annular disc 1 axially between the screw head and the nut 18 in the radial direction outwards, against the inner periphery 19 of the bore 16 and at the same time the surface structure. 4 is formed on the outer circumference or on the lateral surface 3 of the annular disc 1 in the radial direction in the substrate material for producing an effective in the axial direction positive engagement.
  • a further component (not shown) can be fixed to the external thread 11 of the clamping screw 8 of the connection 14 or the clamping screw 8 of the connection 14 can be used to fix the substrate 17 to a substrate carrier, in particular a framework construction.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

L'invention concerne un dispositif de liaison de substrats plats, en particulier de plaques de PMMA, de plaques de GFK, de plaques de matière plastique ou de plaques en alliage de métal léger, ledit dispositif comprenant un disque annulaire (1) qui est traversée par une vis de serrage (8) pourvue d'une tête de vis (9) et d'une tige (10) pourvue d'un filetage extérieur (11) et qui comprend sur sa surface d'enveloppe extérieure (3) une structure de surface (4) servant à l'ancrage dans le substrat plat (17), ainsi qu'un écrou (18) qui peut être vissé sur le filetage extérieur (11) pour serrer le disque annulaire (1) axialement entre la tête de vis (9) et l'écrou (18), ledit disque annulaire (1) étant extensible dans la direction radiale par serrage entre la tête de vis (9) et l'écrou (18), pour serrer le disque annulaire (1) contre la périphérie intérieure (19) d'un perçage qui est réalisé de préférence sous la forme d'un trou borgne et dans lequel le disque annulaire (1) peut être reçu, et pour ancrer ainsi la structure de surface (4) dans la direction radiale dans le matériau du substrat de la périphérie intérieure (19) du perçage (16). Selon l'invention, la vis de serrage (8) comporte au niveau de son extrémité de tige avant, opposée à la tête de vis (9), en particulier du côté frontal, un entraînement, se présentant de préférence sous la forme d'un creux d'entraînement, de préférence un creux à faces multiples ou à arrondis multiples.
EP15715691.0A 2014-04-10 2015-03-23 Dispositif de liaison et liaison au moyen d'un dispositif de liaison Withdrawn EP3129663A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202014101713.5U DE202014101713U1 (de) 2014-04-10 2014-04-10 Verbindungsvorrichtung sowie Verbindung mit Verbindungsvorrichtung
PCT/EP2015/056114 WO2015154980A1 (fr) 2014-04-10 2015-03-23 Dispositif de liaison et liaison au moyen d'un dispositif de liaison

Publications (1)

Publication Number Publication Date
EP3129663A1 true EP3129663A1 (fr) 2017-02-15

Family

ID=52824223

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15715691.0A Withdrawn EP3129663A1 (fr) 2014-04-10 2015-03-23 Dispositif de liaison et liaison au moyen d'un dispositif de liaison

Country Status (3)

Country Link
EP (1) EP3129663A1 (fr)
DE (1) DE202014101713U1 (fr)
WO (1) WO2015154980A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT519565B1 (de) * 2017-05-29 2018-08-15 Artweger Gmbh & Co Kg Haltevorrichtung für eine Glasplatte

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR319996A (fr) * 1902-03-27 1902-11-28 Bauer Emboiture pour boulons
FR1179556A (fr) * 1957-07-11 1959-05-26 Dispositif d'ancrage perfectionné
DE6808669U (de) 1968-11-26 1969-04-03 Boellhoff & Co Gewindeeinsaetz
DE2211713A1 (de) 1972-03-10 1973-09-20 Phillips Drill Co Spreizbare verankerung zum einsatz in ein in beton, mauerwerk oder dergleichen angebrachtes bohrloch
GB2016106B (en) 1978-03-10 1982-07-21 Sanko Shoji Co Ltd Expansible anchor bolt assembly
EP0950569B1 (fr) 1998-02-25 2001-07-25 JAC Products Deutschland GmbH Dispositif de fixation pour rail de toit pour véhicule
GB2491805B (en) * 2011-05-12 2015-07-08 Tension Control Bolts Ltd Fastening assembly
DE202011052312U1 (de) 2011-12-15 2013-03-18 Hartmut Flaig Schraube, Schraubenmutter, Verbindung sowie Schraubwerkzeug
DE102012201293A1 (de) * 2012-01-31 2013-08-01 Hilti Aktiengesellschaft Ankersystem, insbesondere Hinterschnittankersystem

Also Published As

Publication number Publication date
WO2015154980A1 (fr) 2015-10-15
DE202014101713U1 (de) 2015-07-14

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