EP2634323B1 - Connecting device - Google Patents

Connecting device Download PDF

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Publication number
EP2634323B1
EP2634323B1 EP13156668.9A EP13156668A EP2634323B1 EP 2634323 B1 EP2634323 B1 EP 2634323B1 EP 13156668 A EP13156668 A EP 13156668A EP 2634323 B1 EP2634323 B1 EP 2634323B1
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EP
European Patent Office
Prior art keywords
rotating body
opening
rotation
coupling
axis
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EP13156668.9A
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German (de)
French (fr)
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EP2634323A3 (en
EP2634323A2 (en
Inventor
Christian Weidemann
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Individual
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    • 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
    • E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
    • E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
    • E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
    • E04B1/6183—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with rotatable locking means co-operating with a recess
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/006—Locks or fastenings for special use for covers or panels
    • 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
    • E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
    • E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
    • E04B1/043—Connections specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/08—Locks or fastenings for special use for sliding wings
    • E05B65/0811—Locks or fastenings for special use for sliding wings the bolts pivoting about an axis perpendicular to the wings
    • E05B65/0817—Locks or fastenings for special use for sliding wings the bolts pivoting about an axis perpendicular to the wings with additional movement, e.g. toggle, overcenter, excentric

Definitions

  • the invention relates to a device for connecting wall and / or ceiling components in the construction of buildings, with a connecting element having a connecting body with means for coupling one of the components to the connecting body and a rotatable against the connecting body rotary body with means for coupling the other component to the rotary body eccentric to its axis of rotation, wherein the rotary body is rotatable in an opening in the connecting body to generate by the connecting element on the coupled components transverse to the rotational axis of the rotary body tensile forces exerted.
  • Such a device for connecting wall or / and ceiling components is in the DE 10 2007 015 830 A1 described.
  • the connecting element of this known device can be coupled to a U-shaped, cast into the concrete of the wall and / or ceiling components steel rods, wherein the connecting body is designed as a couplable to the U-shaped steel rod hook.
  • a circular opening in the connecting body of the rotary body is mounted, projecting axially from each of its two sides an eccentrically arranged axle journal.
  • Each of the stub axles is encompassed by a U-shaped bent steel rod.
  • the invention has for its object to provide a new, safe from unwanted loosening connection device.
  • the device according to the invention which achieves this object is characterized in that the opening has an extension which extends counter to the tensile force exerted on the other component by the rotary body and which narrows in its width below the diameter of the rotary body.
  • the pulling force exerted by the rotary body on one of the wall and / or ceiling components to be connected ensures that the rotary body acts from the moment in which a coupling between the connecting body and one of the components takes effect, for example when a hook part of the connecting body engages begins, the rotary body enters the constriction and wedged in the constriction with increasing tensile stress.
  • the wedging is so strong that it can not come under any circumstances to a loosening of the rotating body, not even if a torque is applied via the coupling to the body to be connected to the rotary body by the effective tensile force.
  • the constriction has a constant wedge angle in a portion of the extension.
  • the clamping force increases steadily with increasing depth of entry into the constriction.
  • the length of the section is 3% to 15% of the diameter of the rotating body.
  • the wedge angle preferably moves between 5 ° to 15 °.
  • the constant wedge angle is 9 °.
  • the opening has different radii with radius centers arranged at a distance from each other.
  • the section in which the wedge angle of the constriction remains constant lies between the respective points of contact of the tangents on both circles corresponding to the radii.
  • the rotary body is formed exclusively by a circular plate, wherein the axis of rotation of the rotary body is perpendicular to the plate planes and extends through the center of the circle.
  • a seat opening to one of the plate planes may be formed for receiving a turning tool.
  • the means for coupling the other part suitably comprise an opening arranged offset with respect to the axis of rotation, in particular a passage opening into which a bent or U-shaped steel rod, e.g. embedded in the concrete wall components to be joined together, can intervene.
  • the rotary body is secured in the opening up to a limit torque by a lock relative to the connecting body against rotation.
  • the lock may be, for example, by a shear body extending into a recess in the rotating body and the connecting body, e.g. be formed by a shear-off pin.
  • Fig. 1 shows sections of concrete building boards 1 and 2, which are perpendicular to each other and form a room wall corner in a building erected by such concrete building boards (not shown).
  • the abutting at 3 concrete slabs 1 and 2 each have a recess open on one side 4 and 5 respectively. Through the recesses 4 and 5 is formed when joining the plates, a closed space. 6
  • a connecting element 7 is arranged, that is pivotally held on a cast in the concrete building board 1 coupling element 8 as indicated by arrow 9.
  • a cast in the concrete building board 2 coupling counter-element 10 protrudes into the formed by the recess 5 portion of the space 6 inside.
  • the Coupling element 8 comprises two U-shaped bent steel strand, the coupling counter-element 10 only such a steel strand.
  • the connecting element 7 comprises a plate-shaped connecting body 11 with an undercut hook leg 12 at one end.
  • a circular opening 13 for the storage of a circular rotating body 14 is formed.
  • the rotary body 14 is eccentrically to its axis of rotation on each side of a journal 15, which engages in one of the two U-bend of the coupling element 8 respectively.
  • the journal 15 has a frontal seat 16 for engagement of a hexagon turning tool, which is aligned to a (not shown) opening channel in the concrete slab 1.
  • the connecting element 7 is pivoted by means of said hexagonal tool, the hook leg 12 engages between the U-legs of the coupling counter-element 10 and the connecting body 7 finally comes to rest on the coupling counter-element.
  • a grain attached to the peripheral surface of the rotary body 14 and / or the inner surface of the opening 13 prevents the connector body 11 from moving relative to the rotary body 14 during this phase. From the time of the stop of the connecting body 11 against the coupling counter-element 10 is caused by further rotation of the rotary body 14 by means of the hexagonal turning tool caused by the grain locking of the rotary body 14 and the rotary body 14 in the in Fig. 1 b shown rotated position in which the hook leg 12 according to arrow 17 exerts a pulling force on the coupling counter-element 10.
  • connection lock By a further (not shown) opening, which is arranged above the aligned to the seat 16 passage opening, the cavity 6 is then poured with in-situ concrete 18 and fixed the connecting element 7 in the position shown. Disadvantageously, before this fixation by the hardened in-situ concrete 18 by unintentional rotation of the rotary body 14 against the connecting body 11, the connection lock.
  • the opening 13 in the connecting body 11 is not circular, but on its side facing away from the hook leg 12 has an extension 19.
  • the width of the extension narrows below the diameter of the rotary body 14, wherein the wedge angle a of the constriction over a portion of the extension 19 is constant.
  • the opening 13 is based on two circular openings whose centers are offset from each other in the direction mentioned and whose radii differ slightly.
  • the inner wall of the opening 13 is bounded by the tangents to both circles, whereby the constriction area results with the constant wedge angle over a certain distance.
  • the opening 13 has a first radius r 1 with a first radius center and in the region of the extension a second radius r 2 with a second radium center which is at a distance s from the first radius center. Between points where tangents 24 and 25 touch the circles corresponding to the radii r 1 and r 2 , the opening 13 is bounded by said tangents 24 and 25. In this section 26 delimited by the tangents, the wedge angle ⁇ of the constriction enclosed between the tangents 24, 25 is constant.
  • the circular rotary body 14 has a seat 20 for the engagement of a hexagonal tool and an axis of rotation 23 of the rotary body 14 eccentrically arranged, extending in the axial direction through hole 21 for the coupling of a coupling element. Both the seat 20 and the through hole are formed directly in the rotary body, which is like the connecting body 11 plate-shaped.
  • the reference numeral 22 indicates a shear-off pin, which ensures a co-movement of the connecting body 11 with the rotary body 14 up to a limit torque.
  • the connecting element 7 is located on the coupling body 11 on the coupling counter-element 10, which thus prevents further rotation of the connecting element 7 in its entirety.
  • the pin 22 can now be sheared off and the rotary body 14 can rotate in the opening 13 against the connecting body 11.
  • the connecting body 11 shifts, inter alia, in the direction of the arrow 17 and the coupling counterpart 10 comes to bear against the undercut hook leg 12 of the connecting body 11.
  • the rotary body shifts 14 now in the narrowing of the extension 19 of the opening 13 into and wedged in the constriction.
  • the rotary body 14 is now rotatably locked in the opening 13 such that regardless of the rotational position of the rotary body 14, that is, regardless of whether the coupling element 8 on the rotary body 14 has a torque or not, there is no tendency to loosen the connection.
  • connection device according to the prior art as far as possible avoided torque
  • the device according to the invention avoids this disadvantage.
  • a large rotational range of the rotary body 14 is available for the closed position.
  • the device according to the invention allows a secure mounting of wall components, by in the phase in which in the cavity is not filled in situ fixing concrete, there is no risk to loosen the connection.

Description

Die Erfindung betrifft eine Vorrichtung zum Verbinden von Wand- oder/und Deckenbauteilen beim Errichten von Bauten, mit einem Verbindungselement, das einen Verbindungskörper mit Einrichtungen zur Ankopplung eines der Bauteile an den Verbindungskörper und einen gegen den Verbindungskörper drehbaren Drehkörper mit Einrichtungen zur Ankopplung des anderen Bauteils an den Drehkörper exzentrisch zu dessen Drehachse aufweist, wobei der Drehkörper in einer Öffnung in dem Verbindungskörper unter Erzeugung durch das Verbindungselement auf die angekoppelten Bauteile quer zur Drehachse des Drehkörpers ausgeübter Zugkräfte drehbar ist.The invention relates to a device for connecting wall and / or ceiling components in the construction of buildings, with a connecting element having a connecting body with means for coupling one of the components to the connecting body and a rotatable against the connecting body rotary body with means for coupling the other component to the rotary body eccentric to its axis of rotation, wherein the rotary body is rotatable in an opening in the connecting body to generate by the connecting element on the coupled components transverse to the rotational axis of the rotary body tensile forces exerted.

Eine solche Vorrichtung zur Verbindung von Wand- oder/und Deckenbauelementen ist in der DE 10 2007 015 830 A1 beschrieben. Das Verbindungselement dieser bekannten Vorrichtung ist an U-förmig gebogene, in den Beton der Wand- oder/und Deckenbauteile eingegossene Stahlstäbe koppelbar, wobei der Verbindungskörper als an den U-förmigen Stahlstab koppelbarer Haken ausgebildet ist. In einer kreisrunden Öffnung im Verbindungskörper ist der Drehkörper gelagert, von dessen beiden Seiten axial je ein exzentrisch angeordneter Achszapfen vorsteht. Jeder der Achszapfen wird von einem U-förmig gebogenen Stahlstab umgriffen. Durch Drehung wird das Verbindungselement zwischen den Stahlstäben, die in die miteinander zu verbindenden Wandteile eingegossen sind, verspannt, wobei die Gefahr besteht, dass sich die Verspannung wieder lockert, bevor die Verbindung durch Eingießen in Ortbeton fixiert ist.Such a device for connecting wall or / and ceiling components is in the DE 10 2007 015 830 A1 described. The connecting element of this known device can be coupled to a U-shaped, cast into the concrete of the wall and / or ceiling components steel rods, wherein the connecting body is designed as a couplable to the U-shaped steel rod hook. In a circular opening in the connecting body of the rotary body is mounted, projecting axially from each of its two sides an eccentrically arranged axle journal. Each of the stub axles is encompassed by a U-shaped bent steel rod. By rotation, the connecting element between the steel bars, which are cast in the wall parts to be joined together, clamped, with the risk that the tension loosened again before the connection is fixed by pouring into in-situ concrete.

Der Erfindung liegt die Aufgabe zugrunde, eine neue, vor ungewollter Lockerung sichere Verbindungsvorrichtung zu schaffen.The invention has for its object to provide a new, safe from unwanted loosening connection device.

Die diese Aufgabe lösende Vorrichtung nach der Erfindung ist dadurch gekennzeichnet, dass die Öffnung eine sich entgegen der durch den Drehkörper auf das andere Bauteil ausgeübten Zugkraft erstreckende, sich in ihrer Breite unter den Durchmesser des Drehkörpers verengende Verlängerung aufweist.The device according to the invention which achieves this object is characterized in that the opening has an extension which extends counter to the tensile force exerted on the other component by the rotary body and which narrows in its width below the diameter of the rotary body.

Vorteilhaft sorgt die durch den Drehkörper auf eines der zu verbindenden Wand- und/oder Deckenbauteile ausgeübte Zugkraft dafür, dass der Drehkörper ab dem Moment, in welchem eine Kopplung zwischen dem Verbindungskörper und einem der Bauteile wirksam wird, beispielsweise wenn ein Hakenteil des Verbindungskörpers zu greifen beginnt, der Drehkörper in die Verengung eintritt und sich in der Verengung mit wachsenderZugspannung verkeilt. Bei ausreichender Zugspannung ist die Verkeilung derart fest, dass es unter keinen Umständen zu einer Lockerung des Drehkörpers kommen kann, auch dann nicht, wenn über die Ankopplung an den zu verbindenden Körper auf den Drehkörper durch die wirksame Zugkraft ein Drehmoment ausgeübt wird.Advantageously, the pulling force exerted by the rotary body on one of the wall and / or ceiling components to be connected ensures that the rotary body acts from the moment in which a coupling between the connecting body and one of the components takes effect, for example when a hook part of the connecting body engages begins, the rotary body enters the constriction and wedged in the constriction with increasing tensile stress. With sufficient tension, the wedging is so strong that it can not come under any circumstances to a loosening of the rotating body, not even if a torque is applied via the coupling to the body to be connected to the rotary body by the effective tensile force.

In vorteilhafter Ausgestaltung der Erfindung weist die Verengung einen in einem Abschnitt der Verlängerung konstanten Keilwinkel auf. Die Klemmkraft nimmt mit zunehmender Eintrittstiefe in die Verengung damit stetig zu.In an advantageous embodiment of the invention, the constriction has a constant wedge angle in a portion of the extension. The clamping force increases steadily with increasing depth of entry into the constriction.

Vorzugweise liegt die Länge des Abschnitts bei 3 % bis 15 % des Durchmessers des Drehkörpers.Preferably, the length of the section is 3% to 15% of the diameter of the rotating body.

Der Keilwinkel bewegt sich vorzugsweise zwischen 5° bis 15°. Insbesondere beträgt der konstante Keilwinkel 9°.The wedge angle preferably moves between 5 ° to 15 °. In particular, the constant wedge angle is 9 °.

In einer bevorzugten Ausführungsform weist die Öffnung unterschiedliche Radien mit zueinander mit Abstand angeordneten Radiusmittelpunkten auf. Der Abschnitt, in dem der Keilwinkel der Verengung konstant bleibt, liegt zwischen den jeweiligen Berührungspunkten der Tangenten an beide den Radien entsprechenden Kreise.In a preferred embodiment, the opening has different radii with radius centers arranged at a distance from each other. The section in which the wedge angle of the constriction remains constant lies between the respective points of contact of the tangents on both circles corresponding to the radii.

Zweckmäßig ist der Drehkörper ausschließlich durch eine kreisrunde Platte gebildet, wobei die Drehachse des Drehkörpers senkrecht auf den Plattenebenen steht und sich durch den Kreismittelpunkt erstreckt.Suitably, the rotary body is formed exclusively by a circular plate, wherein the axis of rotation of the rotary body is perpendicular to the plate planes and extends through the center of the circle.

In der Platte kann ein zu einer der Plattenebenen öffnender Sitz für die Aufnahme eines Drehwerkzeugs gebildet sein.In the plate, a seat opening to one of the plate planes may be formed for receiving a turning tool.

Die Einrichtungen zur Ankoppfung des anderen Teils umfassen zweckmäßig eine versetzt zur Drehachse angeordnete Öffnung, insbesondere eine Durchgangsöffnung, in die ein abgebogener oder U-förmiger Stahlstab, der z.B. in den Beton miteinander zu verbindender Wandbauteile eingebettet ist, eingreifen kann.The means for coupling the other part suitably comprise an opening arranged offset with respect to the axis of rotation, in particular a passage opening into which a bent or U-shaped steel rod, e.g. embedded in the concrete wall components to be joined together, can intervene.

In weiterer Ausgestaltung der Erfindung ist der Drehkörper in der Öffnung bis zu einem Grenzdrehmoment durch eine Arretierung relativ zum Verbindungskörper gegen Verdrehung gesichert.In a further embodiment of the invention, the rotary body is secured in the opening up to a limit torque by a lock relative to the connecting body against rotation.

Die Arretierung kann z.B: durch einen sich in eine Ausnehmung in dem Drehkörper und dem Verbindungskörper hinein erstreckenden Scherkörper, z.B. durch einen abscherbaren Stift, gebildet sein.The lock may be, for example, by a shear body extending into a recess in the rotating body and the connecting body, e.g. be formed by a shear-off pin.

Die Erfindung wird nachfolgend anhand eines Ausführungsbeispiels und der beiliegenden, sich auf dieses Ausführungsbeispiel beziehenden Zeichnungen weiter erläutert. Es zeigen:

Fig. 1
eine Verbindungsvorrichtung nach dem Stand der Technik,
Fig. 2
ein Verbindungselement einer erfindungsgemäßen Verbindungsvorrichtung,
Fig. 3
eine Darstellung zur Erläuterung der Gestaltung einer Öffnung in dem Verbindungselement von Fig. 2, und
Fig. 4
eine die Funktion des Verbindungselements nach Fig. 2 erläuternde Darstellung.
The invention will be explained below with reference to an embodiment and the accompanying, referring to this embodiment drawings. Show it:
Fig. 1
a connecting device according to the prior art,
Fig. 2
a connecting element of a connecting device according to the invention,
Fig. 3
a representation for explaining the design of an opening in the connecting element of Fig. 2 , and
Fig. 4
one after the function of the connecting element Fig. 2 explanatory illustration.

Fig. 1 zeigt Abschnitte von Betonbauplatten 1 und 2, die zueinander senkrecht stehen und eine Raumwandecke in einem durch solche Betonbauplatten errichteten Gebäude (nicht gezeigt) bilden. Fig. 1 shows sections of concrete building boards 1 and 2, which are perpendicular to each other and form a room wall corner in a building erected by such concrete building boards (not shown).

Die bei 3 aneinanderstoßenden Betonbauplatten 1 und 2 weisen jeweils eine einseitig offene Ausnehmung 4 bzw. 5 auf. Durch die Ausnehmungen 4 und 5 entsteht beim Zusammenfügen der Platten ein geschlossener Raum 6.The abutting at 3 concrete slabs 1 and 2 each have a recess open on one side 4 and 5 respectively. Through the recesses 4 and 5 is formed when joining the plates, a closed space. 6

In dem Raum 6 ist ein Verbindungselement 7 angeordnet, dass an einem in die Betonbauplatte 1 eingegossenen Kopplungselement 8 gemäß Pfeil 9 verschwenkbar gehalten ist. Ein in die Betonbauplatte 2 eingegossenes Kopplungsgegenelement 10 ragt in den durch die Ausnehmung 5 gebildeten Abschnitt des Raumes 6 hinein. Das Kopplungselement 8 umfasst zwei U-förmig gebogene Stahlströnge, das Kopplungsgegenelement 10 nur einen solchen Stahlstrang.In the space 6, a connecting element 7 is arranged, that is pivotally held on a cast in the concrete building board 1 coupling element 8 as indicated by arrow 9. A cast in the concrete building board 2 coupling counter-element 10 protrudes into the formed by the recess 5 portion of the space 6 inside. The Coupling element 8 comprises two U-shaped bent steel strand, the coupling counter-element 10 only such a steel strand.

Das Verbindungselement 7 umfasst einen plattenförmigen Verbindungskörper 11 mit einem hinterschnittenen Hakenschenkel 12 an einem Ende. In einem dem Hakenschenkel 12 entgegengesetzten Endabschnitt des Verbindungskörpers 11 ist eine kreisrunde Öffnung 13 für die Lagerung eines kreisrunden Drehkörpers 14 gebildet. Von dem Drehkörper 14 steht exzentrisch zu seiner Drehachse auf jeder Seite ein Achszapfen 15 vor, welcher jeweils in einen der beiden U-Bogen des Kopplungselements 8 eingreift. Der Achszapfen 15 weist stirnseitig einen Sitz 16 für den Eingriff eines Sechskantdrehwerkzeugs auf, der zu einem (nicht gezeigten) Öffnungskanal in der Betonbauplatte 1 ausgerichtet ist.The connecting element 7 comprises a plate-shaped connecting body 11 with an undercut hook leg 12 at one end. In a hook leg 12 opposite end portion of the connecting body 11, a circular opening 13 for the storage of a circular rotating body 14 is formed. Of the rotary body 14 is eccentrically to its axis of rotation on each side of a journal 15, which engages in one of the two U-bend of the coupling element 8 respectively. The journal 15 has a frontal seat 16 for engagement of a hexagon turning tool, which is aligned to a (not shown) opening channel in the concrete slab 1.

Um die Betonbauplatten 1,2 miteinander zu verbinden, wird das Verbindungselement 7 mit Hilfe des genannten Sechskantwerkzeugs verschwenkt, wobei der Hakenschenkel 12 zwischen den U-Schenkeln des Kopplungsgegenelements 10 eingreift und der Verbindungskörper 7 schließlich zur Auflage auf dem Kopplungsgegenelement gelangt. Eine auf der Umfangsfläche des Drehkörpers 14 oder/und der Innenfläche der Öffnung 13 angebrachte Körnung verhindert, dass sich während dieser Phase der Verbindungskörper 11 relativ zu dem Drehkörper 14 bewegt. Vom Zeitpunkt des Anschlags des Verbindungskörpers 11 gegen das Kopplungsgegenelement 10 an wird durch weitere Drehung des Drehkörpers 14 mit Hilfe des Sechskantdrehwerkzeugs die durch die Körnung bewirkte Arretierung des Drehkörpers 14 überwunden und der Drehkörper 14 in die in Fig. 1 b gezeigte Stellung verdreht, in welcher der Hakenschenkel 12 gemäß Pfeil 17 eine Zugkraft auf das Kopplungsgegenelement 10 ausübt.In order to connect the concrete building boards 1,2 together, the connecting element 7 is pivoted by means of said hexagonal tool, the hook leg 12 engages between the U-legs of the coupling counter-element 10 and the connecting body 7 finally comes to rest on the coupling counter-element. A grain attached to the peripheral surface of the rotary body 14 and / or the inner surface of the opening 13 prevents the connector body 11 from moving relative to the rotary body 14 during this phase. From the time of the stop of the connecting body 11 against the coupling counter-element 10 is caused by further rotation of the rotary body 14 by means of the hexagonal turning tool caused by the grain locking of the rotary body 14 and the rotary body 14 in the in Fig. 1 b shown rotated position in which the hook leg 12 according to arrow 17 exerts a pulling force on the coupling counter-element 10.

Durch eine weitere (nicht gezeigte) Öffnung, die oberhalb der zu dem Sitz 16 ausgerichteten Durchgangsöffnung angeordnet ist, wird der Hohlraum 6 anschließend mit Ortbeton 18 ausgegossen und das Verbindungselement 7 in der gezeigten Position fixiert. Nachteilig kann sich vor dieser Fixierung durch den abgebundenen Ortbeton 18 durch ungewollte Drehung des Drehkörpers 14 gegen den Verbindungskörper 11 die Verbindung lockem.By a further (not shown) opening, which is arranged above the aligned to the seat 16 passage opening, the cavity 6 is then poured with in-situ concrete 18 and fixed the connecting element 7 in the position shown. Disadvantageously, before this fixation by the hardened in-situ concrete 18 by unintentional rotation of the rotary body 14 against the connecting body 11, the connection lock.

Dieser Nachteil lässt sich durch ein in Fig. 2 gezeigtes Verbindungselement überwinden, dessen Öffnung 13 in dem Verbindungskörper 11 nicht kreisrund ist, sondern auf seiner dem Hakenschenkel 12 abgewandten Seite eine Verlängerung 19 aufweist. Die Breite der Verlängerung verengt sich unter den Durchmesser des Drehkörpers 14, wobei der Keilwinkel a der Verengung über einen Abschnitt der Verlängerung 19 konstant ist.This disadvantage can be explained by a in Fig. 2 overcome connecting element, the opening 13 in the connecting body 11 is not circular, but on its side facing away from the hook leg 12 has an extension 19. The width of the extension narrows below the diameter of the rotary body 14, wherein the wedge angle a of the constriction over a portion of the extension 19 is constant.

In dem gezeigten Ausführungsbeispiel liegen der Öffnung 13 zwei kreisrunde Öffnungen zugrunde, deren Zentren in der genannten Richtung zueinander versetzt sind, und deren Radien sich geringfügig unterscheiden. In der Übergangszone ist die Innenwand der Öffnung 13 durch die Tangenten an beide Kreise begrenzt, wodurch sich der Verengungsbereich mit dem über eine gewisse Strecke konstanten Keilwinkel ergibt.In the exemplary embodiment shown, the opening 13 is based on two circular openings whose centers are offset from each other in the direction mentioned and whose radii differ slightly. In the transition zone, the inner wall of the opening 13 is bounded by the tangents to both circles, whereby the constriction area results with the constant wedge angle over a certain distance.

Zur Verdeutlichung ist in Fig. 3 die Verlängerung 19 der Öffnung 13 weiter ausgedehnt dargestellt. Die Öffnung 13 weist einen ersten Radius r 1 mit einem ersten Radiusmittelpunkt und im Bereich der Verlängerung einen zweiten Radius r2 mit einem zweiten Radiumsmittelpunkt auf, der im Abstand s von dem ersten Radiusmittelmittelpunkt entfernt ist. Zwischen Punkten, an denen Tangenten 24 und 25 die den Radien r1 und r2 entsprechenden Kreise berühren, ist die Öffnung 13 durch die genannten Tangenten 24 und 25 begrenzt. In diesem durch die Tangenten begrenzten Abschnitt 26 ist der zwischen den Tangenten 24,25 eingeschlossene Keilwinkel α der Verengung konstant.For clarification is in Fig. 3 the extension 19 of the opening 13 shown further extended. The opening 13 has a first radius r 1 with a first radius center and in the region of the extension a second radius r 2 with a second radium center which is at a distance s from the first radius center. Between points where tangents 24 and 25 touch the circles corresponding to the radii r 1 and r 2 , the opening 13 is bounded by said tangents 24 and 25. In this section 26 delimited by the tangents, the wedge angle α of the constriction enclosed between the tangents 24, 25 is constant.

Wie Fig. 2 weiter erkennen lässt, weist der kreisrunde Drehkörper 14 einen Sitz 20 für den Eingriff eines Sechskantwerkzeugs sowie eine zur Drehachse 23 des Drehkörpers 14 exzentrisch angeordnete, sich in axialer Richtung erstreckende Durchgangsöffnung 21 für die Ankopplung eines Kopplungselements auf. Sowohl der Sitz 20 als auch die Durchgangsöffnung sind direkt in dem Drehkörper gebildet, der wie der Verbindungskörper 11 plattenförmig ausgebildet ist. Das Bezugszeichen 22 weist auf einen abscherbaren Stift hin, der bis zu einem Grenzdrehmoment eine Mitbewegung des Verbindungskörpers 11 mit dem Drehkörper 14 sichert.As Fig. 2 can be seen, the circular rotary body 14 has a seat 20 for the engagement of a hexagonal tool and an axis of rotation 23 of the rotary body 14 eccentrically arranged, extending in the axial direction through hole 21 for the coupling of a coupling element. Both the seat 20 and the through hole are formed directly in the rotary body, which is like the connecting body 11 plate-shaped. The reference numeral 22 indicates a shear-off pin, which ensures a co-movement of the connecting body 11 with the rotary body 14 up to a limit torque.

Zur Herstellung einer Verbindung zwischen einem Kopplungselement 8, das hakenartig in die Durchgangsöffnung 21 eingreift, und einem U-förmigen Kopplungsgegenelement 10 wird das Verbindungselement 7 aus der in Fig 4a gezeigten Stellung, wie anhand von Fig. 1 beschrieben, mit Hilfe eines Sechskantwerkzeugs in die in Fig. 4b gezeigte Stellung verdreht. Der Stift 22 sichert, dass es hierbei nicht zu einer Verdrehung des Verbindungskörpers 11 gegen den Drehkörper 14 des Verbindungselements 7 kommen kann.To produce a connection between a coupling element 8, which engages like a hook in the passage opening 21, and a U-shaped coupling counter-element 10, the connecting element 7 from the in Fig. 4a shown position as shown by Fig. 1 described with the help of a hexagonal tool in the Fig. 4b rotated position shown. The pin 22 ensures that this can not lead to a rotation of the connecting body 11 against the rotary body 14 of the connecting element 7.

In der in Fig. 4b gezeigten Stellung liegt das Verbindungselement 7 mit dem Verbindungskörper 11 auf dem Kopplungsgegenelement 10 auf, das somit eine weitere Drehung des Verbindungselements 7 in seiner Gesamtheit verhindert. Mit Hilfe des Sechskantdrehwerkzeugs lässt sich nun der Stift 22 abscheren und der Drehkörper 14 in der Öffnung 13 gegen den Verbindungskörper 11 verdrehen. Durch den exzentrischen Eingriff des Kopplungselements 8 in die Durchgangsöffnung 21 verschiebt sich dadurch der Verbindungskörper 11 unter anderem in Richtung des Pfeiles 17 und der Kopplungsgegenhalter 10 kommt zur Anlage gegen den hinterschnittenen Hakenschenkel 12 des Verbindungskörpers 11. Bei weiterer Drehung des Drehkörpers 14 verschiebt sich der Drehkörper 14 nun in die Verengung der Verlängerung 19 der Öffnung 13 hinein und verkeilt sich in der Verengung.In the in Fig. 4b shown position, the connecting element 7 is located on the coupling body 11 on the coupling counter-element 10, which thus prevents further rotation of the connecting element 7 in its entirety. With the aid of the hexagonal turning tool, the pin 22 can now be sheared off and the rotary body 14 can rotate in the opening 13 against the connecting body 11. As a result of the eccentric engagement of the coupling element 8 in the through hole 21, the connecting body 11 shifts, inter alia, in the direction of the arrow 17 and the coupling counterpart 10 comes to bear against the undercut hook leg 12 of the connecting body 11. Upon further rotation of the rotary body 14, the rotary body shifts 14 now in the narrowing of the extension 19 of the opening 13 into and wedged in the constriction.

Der Drehkörper 14 ist nun in der Öffnung 13 derart drehfest arretiert, dass unabhängig von der Drehposition des Drehkörpers 14, d.h. unabhängig davon, ob das Kopplungselement 8 auf den Drehkörper 14 ein Drehmoment ausübt oder nicht, keinerlei Tendenz zur Lockerung der Verbindung besteht. Im Unterschied dazu müsste in der in Fig. 1 gezeigten Verbindungsvorrichtung nach dem Stand der Technik ein solches Drehmoment möglichst vermieden und der Drehkörper 14 in die in Fig. 1 b gezeigte Schließposition gebracht werden, in welcher das Kopplungselement 8 die Drehachse 23 des Drehkörpers 14 kreuzt. Aufgrund von Fertigungstoleranzen lässt sich diese Bedingung zumeist nicht einhalten.The rotary body 14 is now rotatably locked in the opening 13 such that regardless of the rotational position of the rotary body 14, that is, regardless of whether the coupling element 8 on the rotary body 14 has a torque or not, there is no tendency to loosen the connection. In contrast, in the Fig. 1 shown connection device according to the prior art as far as possible avoided torque and the rotary body 14 in the in Fig. 1 b shown closed position in which the coupling element 8, the axis of rotation 23 of the rotary body 14 crosses. Due to manufacturing tolerances, this condition can usually not be met.

Vorteilhaft meidet die Vorrichtung nach der Erfindung diesen Nachteil. Zur Herstellung einer solchen Zugverbindung steht für die Schließposition ein großer Drehbereich des Drehkörpers 14 zur Verfügung.
Die Vorrichtung nach der Erfindung erlaubt eine sichere Montage von Wandbauteilen, indem in der Phase, in welcher in den Hohlraum noch kein fixierender Ortbeton eingefüllt ist, keine Gefahr zur Lockerung der Verbindung besteht.Advantageously, the device according to the invention avoids this disadvantage. To produce such a tension connection, a large rotational range of the rotary body 14 is available for the closed position.
The device according to the invention allows a secure mounting of wall components, by in the phase in which in the cavity is not filled in situ fixing concrete, there is no risk to loosen the connection.

Claims (10)

  1. Device for connecting wall and/or ceiling components when erecting structures, having a connecting element (7) which has a connecting body (11) with means for coupling one of the components (8, 10) to the connecting body (11) and a rotating body (14) that can be rotated with respect to the connecting body (11) and has means for coupling the other component (8) to the rotating body (14), eccentrically with respect to the axis of rotation of the latter, where the rotating body (14) can be rotated in an opening (13) in the connecting body (11), generating tensile forces exerted by the connecting element (7) on the coupled components (8, 10), transversely with respect to the axis of rotation of the rotating body (14),
    characterized in that
    the opening (13) has an extension (19) extending counter to the tensile force exerted by the rotating body (14) on the other component (8) and narrowing in its width below the diameter of the rotating body (14).
  2. Device according to Claim 1,
    characterized in that
    the narrowing has a section with a constant wedge angle α of the narrowing.
  3. Device according to Claim 2,
    characterized in that
    the length of the section is around 3% to 15% of the diameter of the rotating body (14).
  4. Device according to one of Claims 1 to 3,
    characterized in that
    the wedge angle of the narrowing is around 5° to 15°, and in particular the constant wedge angle is around 9°.
  5. Device according to one of Claims 1 to 4,
    characterized in that
    the opening (13) has different radii (r1, r2) with radius centres arranged relative to one another at a distance (s) from one another.
  6. Device according to one of Claims 1 to 5,
    characterized in that
    the rotating body (14) is formed exclusively by a circular plate, and the axis of rotation of the rotating body (14) extends at right angles to the plate plane, through the centre of the circle.
  7. Device according to Claim 6,
    characterized in that
    a seat (20) is formed in the plate, opening toward one of the plate planes, to accommodate a rotary tool.
  8. Device according to one of Claims 1 to 7,
    characterized in that
    the means for coupling the other part (8) comprise an opening, in particular a passage opening (21), in the rotating body (14), arranged to be offset with respect to the axis of rotation (23) of the rotating body (14).
  9. Device according to one of Claims 1 to 8,
    characterized in that
    the rotating body (14) is secured against rotation by a locking means (22) that can be loaded up to a limiting torque.
  10. Device according to Claim 9,
    characterized in that
    the locking means is formed by a shearable body (22) engaging in the rotating body (14) and in the connecting body (11).
EP13156668.9A 2012-02-29 2013-02-26 Connecting device Active EP2634323B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012101639A DE102012101639A1 (en) 2012-02-29 2012-02-29 connecting device

Publications (3)

Publication Number Publication Date
EP2634323A2 EP2634323A2 (en) 2013-09-04
EP2634323A3 EP2634323A3 (en) 2014-03-26
EP2634323B1 true EP2634323B1 (en) 2017-01-18

Family

ID=47900558

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Application Number Title Priority Date Filing Date
EP13156668.9A Active EP2634323B1 (en) 2012-02-29 2013-02-26 Connecting device

Country Status (3)

Country Link
EP (1) EP2634323B1 (en)
DE (1) DE102012101639A1 (en)
DK (1) DK2634323T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014117832A1 (en) 2014-12-04 2016-06-09 Christian Weidemann Device for connecting wall or / and ceiling components when erecting buildings

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH98264A (en) * 1921-07-21 1923-03-01 Rohmer Gabriel Emile Sealing pad.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007015830A1 (en) 2007-03-30 2008-10-02 Weidemann, Christian Device for connecting wall and/or ceiling components during erection of buildings comprises recesses for the components to be aligned with each other with openings forming a hollow chamber, a connecting element and fixing units

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH98264A (en) * 1921-07-21 1923-03-01 Rohmer Gabriel Emile Sealing pad.

Also Published As

Publication number Publication date
DK2634323T3 (en) 2017-05-01
DE102012101639A1 (en) 2013-08-29
EP2634323A3 (en) 2014-03-26
EP2634323A2 (en) 2013-09-04

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