EP3322860B1 - Claw for transferring load into the thermal insulation of a building - Google Patents

Claw for transferring load into the thermal insulation of a building Download PDF

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Publication number
EP3322860B1
EP3322860B1 EP16738787.7A EP16738787A EP3322860B1 EP 3322860 B1 EP3322860 B1 EP 3322860B1 EP 16738787 A EP16738787 A EP 16738787A EP 3322860 B1 EP3322860 B1 EP 3322860B1
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EP
European Patent Office
Prior art keywords
claw
thermal insulation
section
load
mounting
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.)
Active
Application number
EP16738787.7A
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German (de)
French (fr)
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EP3322860A1 (en
Inventor
Ewald Lammer-Klupazek
Klaus HOLESINSKY
Andrea CAMOLA
Juergen Hauer
Martin Leger
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.)
Ejot Austria GmbH and Co KG
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Ejot Austria GmbH and Co KG
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Publication date
Application filed by Ejot Austria GmbH and Co KG filed Critical Ejot Austria GmbH and Co KG
Priority to PL16738787T priority Critical patent/PL3322860T3/en
Publication of EP3322860A1 publication Critical patent/EP3322860A1/en
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Publication of EP3322860B1 publication Critical patent/EP3322860B1/en
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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
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/762—Exterior insulation of exterior walls
    • E04B1/7629—Details of the mechanical connection of the insulation to the wall
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0801—Separate fastening elements
    • E04F13/0832—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements
    • E04F13/0833—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements not adjustable
    • E04F13/0835—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements not adjustable the fastening elements extending into the back side of the covering elements
    • 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
    • E04B1/388—Separate connecting elements
    • E04B2001/389—Brackets
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0801—Separate fastening elements
    • E04F13/0832—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements
    • E04F13/0857—Supporting consoles, e.g. adjustable only in a direction parallel to the wall

Definitions

  • the invention relates to a claw for introducing loads into the thermal insulation of a building.
  • the claw in turn serves as an attachment point for a console for attaching facade elements, for example.
  • This can be wall or ceiling cladding, particularly of curtain-type, rear-ventilated facades.
  • the EP 0 901 549 B1 a wall support for facade substructures with a mounting leg for mounting the wall support on one load-bearing wall and a support leg extending perpendicular thereto, the support leg having a leg flap for clamping a support profile.
  • a reinforcing plate which has a rectangular base whose corners are folded.
  • the base surface serves to distribute loads in thermal insulation in a direction that is orthogonal to the plane formed by the thermal insulation.
  • This claw according to the invention can be driven into the thermal insulation of a building, for example with the aid of a plastic hammer or / and also with a setting tool, so that it forms a positive connection with the thermal insulation. Orthogonal to the generally flat load introduction section, forces can then be introduced into the thermal insulation over a large area, which is as large as the at least one load introduction section, without the claw according to the invention having contact with the actual building. This avoids thermal bridges.
  • the claw according to the invention can be assembled in various ways. If the load introduction section extends horizontally, then vertical loads can be introduced from the claw into the thermal insulation. If the load introduction section extends in the vertical direction, then horizontal loads can be introduced into the thermal insulation. Basically, it is advantageous to anchor the claw in the thermal insulation in such a way that the applied forces meet the load introduction sections orthogonally.
  • the mounting section lies flat on the outer surface of the thermal insulation and thus ensures good power transmission and consequently its a low area-specific load on the thermal insulation. This prevents damage to the thermal insulation.
  • the mounting section has at least one opening, a nut, a threaded bolt or the like, which make it possible, for example, to fasten brackets for curtain wall facades or the like to the mounting section.
  • the nut or the threaded bolt can be connected to the mounting section by welding, soldering or gluing.
  • the claw according to the invention is very easy to manufacture. Their manufacture and assembly do not require any special tools.
  • an advantageous embodiment of the invention provides that the claw has a mounting section and two load introduction sections. Then the claw has a U-shaped or parallelogram-shaped cross section and it can, with otherwise the same dimensions of the claw according to the invention, twice as large loads can be introduced into the thermal insulation.
  • the load introduction sections and the mounting section enclose an angle of 90 °.
  • the load introduction sections and the mounting section enclose an angle other than 90 ° in a range between 60 ° and 120 °. It can thereby be achieved that with increasing load, which is introduced by the claw into the thermal insulation, the mounting section is pressed increasingly firmly against the outer surface of the thermal insulation.
  • the invention provides that a front edge of the load introduction section or sections has an odd number of three or more peaks.
  • One of these tips serves as a "wedge” or “knife” which separates the thermal insulation when the claw according to the invention is driven into the thermal insulation.
  • the tips arranged on the load introduction sections facing away from one another are offset from one another, so that sheet metal cuts for a plurality of claws can be cut out of a sheet metal plate without waste, for example by means of a laser.
  • a distance of the front edges of the load introduction section or sections from the mounting section is smaller than a thickness of the thermal insulation in which the claw is mounted.
  • the assembly section has suitable means.
  • This opening can be used, for example, as a through hole for a wall anchor that is attached directly to the building wall. This wall anchor then protrudes through the mounting section and the further component, such as a console, is then attached to it. But it is also possible make the opening square and, for example, to push a carriage bolt through this opening from the rear of the mounting section.
  • the mounting section or the claw according to the invention has a keyhole-shaped opening. Similar to a hammer screw, a further fastening element can be inserted into this opening in a first position and then rotated through 90 °. This results in a positive connection of the further component with the claw according to the invention.
  • This connection is not only very resilient, but can also be made and released without tools.
  • the claw according to the invention is preferably designed as a bent sheet metal part. It can be made, for example, from plastics and from steel, in particular stainless steel, or aluminum sheet. Through the choice of the material thickness, an adaptation to the expected loads can also be made possible, the material thickness preferably being selected in a range between 1 and 3 mm. However, if the static requirements permit or make it necessary, it can also be below or above.
  • the Figure 1 shows an isometric illustration of an exemplary embodiment of a claw 11.
  • the claw 11 is designed as a bent sheet metal part and consists of a flat mounting section 13 and two bent load introduction sections 15.
  • the load introduction sections 15 and the mounting section 13 form a U-shaped cross section.
  • An angle ⁇ between the mounting section 13 and the load introduction sections 15 is approximately 90 ° in this exemplary embodiment.
  • the load introduction sections 15 are arranged parallel to one another.
  • a front edge 17 of the load introduction sections has three tips 19 in the illustrated embodiment. These tips make it possible to drive the claw 11 into, for example, a soft hammer, in a solid thermal insulation present on a building wall, so that the mounting section 13 is flush with the outer surface of the thermal insulation (see Figure 6 ) rests. Then the mounting section 13 takes over the pressure distribution.
  • the load introduction sections 15 enable forces which have to be absorbed and passed on by the mounting section 13 to be introduced flatly into the thermal insulation.
  • An opening 21 is shown in the mounting section 13.
  • a wall anchor which is anchored in a wall of a building, can protrude through the mounting section 13. Additional parts, such as brackets for a curtain wall or other, can be attached to the protruding part of the wall anchor.
  • An alternative not shown in the drawing, provides that a threaded bolt or a nut is attached instead of the opening. This also makes it possible to attach additional attachments to the claw.
  • a keyhole-shaped opening 23 is formed. This keyhole-shaped opening 23 is in connection with the Figures 5 , 7 and 8 explained in more detail.
  • the one in the Figures 2 and 4th entered angle ⁇ between the mounting section and the load introduction section 15 is equal to 90 ° in the illustrated embodiment. However, it can also have an angle different from 90 °, preferably in the range between 60 ° and 120 ° (not shown).
  • Figure 5 shows a sheet metal blank from which a claw 11 can be produced.
  • the bending lines are in the Figure 5 entered as broken lines with the reference number 25.
  • the geometry of the keyhole-like opening 23 is clearly visible.
  • it comprises a circle on which two elongate cutouts 27 are arranged opposite one another.
  • a polygon, in particular a square, can also be selected instead of the circle.
  • FIG. 6 a cross section through a building wall 29 with thermal insulation 31 and assembled claw 11 is shown schematically.
  • the claw 11 is in the Figure 6 from the left with their tips 19 attached to an outer surface 33 of the thermal insulation 31 and then driven into the thermal insulation 31 with hammer blows until the mounting section 13 lies flat on the outer surface 33 of the thermal insulation.
  • a thickness D of the thermal insulation 31 is greater than the distance S between the mounting section 13 and the tips 19 of the load introduction sections 19.
  • the tie rod 76 has a connecting section 78 which can be connected to the claw 11 in a form-fitting manner and one Connection section 78 facing away from eyelet 80 with a bore 82.
  • the connecting section 78 of the tie rod 76 is arrow-shaped so that it can be inserted into the mounting opening 23 with the aid of the slots 27. If it is then rotated by 90 °, a connection between the tie rod 76 and the claw 11 that can be positively loaded in tension is created.
  • the tie rod 76 on the connecting section 78 has a width 84 that is smaller than the mounting opening 23 in the direction of the slots 27. Furthermore, the tie rod 76 has a width 88 at its narrowest point that is slightly smaller than the circular part of the mounting opening 23 is. This enables simple and tool-free attachment of the tie rod 76 to the facade attachment section 16.
  • a keyhole-shaped opening 23 is shown enlarged. It can be clearly seen that the keyhole-shaped opening 23 is located where, starting from the sheet metal blank, the load introduction section 15 meets the mounting section 13 by bending at the angle ⁇ .
  • Figure 9 shows a sheet metal blank from which the claw 11 according to the invention can be produced.
  • a bending line is in the Figure 9 entered as broken lines with the reference number 25.
  • the front edge 17 of the load introduction section or sections 15 according to the invention has an odd number of tips 19, in particular three tips 19, a central tip 27 extending in a plane lying in the load introduction section 15 orthogonally to the mounting section 13 than the others Tips 19.
  • the middle tip 27 extends a distance 29 further than the other tips 19.
  • the middle tip 27, which projects beyond the other tips 19 by the distance 29, is designed as an isosceles triangle and can therefore be used in a particularly advantageous manner be used to center the claw 11.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Load-Bearing And Curtain Walls (AREA)
  • Building Environments (AREA)

Description

Die Erfindung betrifft eine Klaue zur Lasteinleitung in die Wärmedämmung eines Gebäudes. Die Klaue wiederum dient als Befestigungspunkt für beispielsweise eine Konsole zur Befestigung von Fassadenelementen. Dabei kann es sich um Wand- oder Deckenverkleidungen insbesondere von vorgehängten, hinterlüfteten Fassaden handeln.The invention relates to a claw for introducing loads into the thermal insulation of a building. The claw in turn serves as an attachment point for a console for attaching facade elements, for example. This can be wall or ceiling cladding, particularly of curtain-type, rear-ventilated facades.

Derartige Konsolen sind aus dem Stand der Technik vielfach bekannt. So zeigt beispielsweise die EP 0 901 549 B1 eine Wandstütze für Fassadenunterkonstruktionen mit einem Befestigungsschenkel zur Montage der Wandstütze an einer tragenden Wand und einem sich dazu senkrecht erstreckenden Tragschenkel, wobei der Tragschenkel einen Schenkellappen zum Einklemmen eines Tragprofils aufweist.Such consoles are widely known from the prior art. For example, the EP 0 901 549 B1 a wall support for facade substructures with a mounting leg for mounting the wall support on one load-bearing wall and a support leg extending perpendicular thereto, the support leg having a leg flap for clamping a support profile.

Aus der WO 2012/143035 A1 ist ein Verstärkungsblech bekannt, das eine rechteckige Grundfläche deren Ecken abgekantet sind. Die Grundfläche dient der Verteilung von Lasten in eine Wärmedämmung in einer Richtung, die orthogonal zu der von der Wärmedämmung gebildeten Ebene gerichtet ist.From the WO 2012/143035 A1 a reinforcing plate is known which has a rectangular base whose corners are folded. The base surface serves to distribute loads in thermal insulation in a direction that is orthogonal to the plane formed by the thermal insulation.

Aus der US 2014/0096466 A1 ist eine gattungsgemäße Klaue zur Lasteinleitung in die Wärmedämmung eines Gebäudes bekannt. Ein Problem bei der Montage solcher Konsolen ist die Übertragung von Kräften von der Konsole in die Wand eines wärmegedämmten Gebäudes, ohne dabei eine ungewollte Wärmebrücke zu erzeugen. Die Erfindung stellt sich daher die Aufgabe, dieses Problem zu lösen, wobei die erfindungsgemäße Konsole oder Klaue einfach und zuverlässig auch von ungelernten Arbeitern montierbar sein muss.From the US 2014/0096466 A1 a claw of the generic type for introducing loads into the thermal insulation of a building is known. A problem with the assembly of such brackets is the transfer of forces from the bracket to the wall of an insulated building without creating an unwanted thermal bridge. The object of the invention is therefore to solve this problem, the console or claw according to the invention having to be easy and reliable to install even by unskilled workers.

Diese Aufgabe wird erfindungsgemäß gelöst durch eine Klaue zur Lasteinleitung mit den Merkmalen des Anspruchs 1.This object is achieved according to the invention by a claw for load introduction with the features of claim 1.

Diese erfindungsgemäße Klaue kann in die Wärmedämmung eines Gebäudes zum Beispiel mit Hilfe eines Kunststoffhammers oder/und auch mit einem Setzwerkzeug getrieben werden, so dass sie eine formschlüssige Verbindung mit der Wärmedämmung eingeht. Orthogonal zu dem in der Regel flachen Lasteinleitungsabschnitt können dann Kräfte über eine große Fläche, die so groß ist, wie der mindestens eine Lasteinleitungsabschnitt, in die Wärmedämmung eingebracht werden, ohne dass die erfindungsgemäße Klaue Kontakt mit dem eigentlichen Gebäude hat. Dadurch werden Wärmebrücken vermieden.This claw according to the invention can be driven into the thermal insulation of a building, for example with the aid of a plastic hammer or / and also with a setting tool, so that it forms a positive connection with the thermal insulation. Orthogonal to the generally flat load introduction section, forces can then be introduced into the thermal insulation over a large area, which is as large as the at least one load introduction section, without the claw according to the invention having contact with the actual building. This avoids thermal bridges.

Die erfindungsgemäße Klaue kann auf verschiedene Weisen montiert werden. Wenn sich der Lasteinleitungsabschnitt horizontal erstreckt, dann können vertikale Lasten von der Klaue in die Wärmedämmung eingeleitet werden. Wenn der Lasteinleitungsabschnitt sich in vertikaler Richtung erstreckt, dann können horizontale Lasten in die Wärmedämmung eingebracht werden. Grundsätzlich ist es vorteilhaft die Klaue so in der Wärmedämmung verankern, dass die angreifenden Kräfte orthogonal auf die Lasteinleitungsabschnitten treffen.The claw according to the invention can be assembled in various ways. If the load introduction section extends horizontally, then vertical loads can be introduced from the claw into the thermal insulation. If the load introduction section extends in the vertical direction, then horizontal loads can be introduced into the thermal insulation. Basically, it is advantageous to anchor the claw in the thermal insulation in such a way that the applied forces meet the load introduction sections orthogonally.

Der Montageabschnitt liegt bei einer fertig montierten Klaue flächig auf der Außenfläche der Wärmedämmung auf und sorgt somit für eine gute Kraftübertragung und infolge dessen eine niedrige flächenspezifische Belastung der Wärmedämmung. Dadurch werden Beschädigungen der Wärmedämmung vermieden.With a fully assembled claw, the mounting section lies flat on the outer surface of the thermal insulation and thus ensures good power transmission and consequently its a low area-specific load on the thermal insulation. This prevents damage to the thermal insulation.

Der Montageabschnitt weist mindestens eine Öffnung, eine Mutter, einen Gewindebolzen oder dergleichen auf, die es erlauben, zum Beispiel Konsolen für vorgehängte Wandfassaden oder anderes an dem Montageabschnitt zu befestigen.The mounting section has at least one opening, a nut, a threaded bolt or the like, which make it possible, for example, to fasten brackets for curtain wall facades or the like to the mounting section.

Wenn die Klaue aus Blech gefertigt wird, können die Mutter oder der Gewindebolzen durch Schweißen, Löten oder Kleben mit dem Montageabschnitt verbunden werden.If the claw is made of sheet metal, the nut or the threaded bolt can be connected to the mounting section by welding, soldering or gluing.

Die erfindungsgemäße Klaue ist sehr einfach herzustellen. Ihre Herstellung und Montage erfordern keine besonderen Werkzeuge.The claw according to the invention is very easy to manufacture. Their manufacture and assembly do not require any special tools.

Eine vorteilhafte Ausgestaltung der Erfindung sieht vor, dass die Klaue einen Montageabschnitt und zwei Lasteinleitungsabschnitte aufweist. Dann hat die Klaue einen U-förmigen oder parallelogrammförmigen Querschnitt und es können, bei sonst gleichen Abmessungen der erfindungsgemäßen Klaue, doppelt so große Lasten in die Wärmedämmung eingeleitet werden.An advantageous embodiment of the invention provides that the claw has a mounting section and two load introduction sections. Then the claw has a U-shaped or parallelogram-shaped cross section and it can, with otherwise the same dimensions of the claw according to the invention, twice as large loads can be introduced into the thermal insulation.

Es ist in der Regel so, dass die Lasteinleitungsabschnitte und der Montageabschnitt einen Winkel von 90° einschließen.It is usually the case that the load introduction sections and the mounting section enclose an angle of 90 °.

Es ist jedoch auch möglich, dass die Lasteinleitungsabschnitte und der Montageabschnitt einen von 90° verschiedenen Winkel in einem Bereich zwischen 60° und 120° einschließen. Dadurch kann erreicht werden, dass mit zunehmender Last, die von der Klaue in die Wärmedämmung eingeleitet wird, der Montageabschnitt zunehmend fester gegen die Außenfläche der Wärmedämmung gedrückt wird.However, it is also possible that the load introduction sections and the mounting section enclose an angle other than 90 ° in a range between 60 ° and 120 °. It can thereby be achieved that with increasing load, which is introduced by the claw into the thermal insulation, the mounting section is pressed increasingly firmly against the outer surface of the thermal insulation.

Um das "Eintreiben" des oder der Lasteinleitungsabschnitte in die Wärmedämmung zu erleichtern ist erfindungsgemäß vorgesehen, dass eine Vorderkante des oder der Lasteinleitungsabschnitte eine ungerade Anzahl von drei oder mehr Spitzen aufweist. Eine dieser Spitzen dient als "Keil" oder "Messer", welches die Wärmedämmung auftrennt, wenn die erfindungsgemäße Klaue in die Wärmedämmung getrieben wird. Um Blechverschnitt zu vermeiden kann dabei vorgesehen sein, dass die an den einander abgewandten Lasteinleitungsabschnitten abgeordneten Spitzen versetzt zueinander angeordnet sind, so dass Blechzuschnitte für eine Mehrzahl von Klauen ohne Verschnitt aus einer Blechplatte bspw. mittels eines Lasers ausgeschnitten werden können.In order to facilitate the “driving in” of the load introduction section or sections into the thermal insulation, the invention provides that a front edge of the load introduction section or sections has an odd number of three or more peaks. One of these tips serves as a "wedge" or "knife" which separates the thermal insulation when the claw according to the invention is driven into the thermal insulation. In order to avoid sheet metal waste, it can be provided that the tips arranged on the load introduction sections facing away from one another are offset from one another, so that sheet metal cuts for a plurality of claws can be cut out of a sheet metal plate without waste, for example by means of a laser.

Um sicherzustellen, dass die erfindungsgemäße Klaue keine Wärmebrücke zu einer Gebäudewand herstellt, ist vorgesehen, dass ein Abstand der Vorderkanten des oder der Lasteinleitungsabschnitte vom Montageabschnitt kleiner ist als eine Dicke der Wärmedämmung, in welcher die Klaue montiert wird.In order to ensure that the claw according to the invention does not establish a thermal bridge to a building wall, it is provided that a distance of the front edges of the load introduction section or sections from the mounting section is smaller than a thickness of the thermal insulation in which the claw is mounted.

Um das Anbringen von Konstruktions- oder Montagelementen, wie zum Beispiel Konsolen für eine vorgehängte Fassade zu erleichtern, weist der Montageabschnitt geeignete Mittel auf. Dies kann zum Beispiel eine Öffnung sein. Diese Öffnung kann zum Beispiel als Durchgangsbohrung für einen Wandanker dienen, der direkt in der Gebäudewand befestigt wird. Dieser Wandanker ragt dann durch den Montageabschnitt durch und an ihm wird dann das weitere Bauteil, wie zum Beispiel eine Konsole befestigt. Es ist aber auch möglich die Öffnung quadratisch auszuführen und zum Beispiel eine Schlossschraube von der Rückseite des Montageabschnitts durch diese Öffnung zu schieben.In order to facilitate the attachment of construction or assembly elements, such as brackets for a curtain wall, the assembly section has suitable means. For example, this could be an opening. This opening can be used, for example, as a through hole for a wall anchor that is attached directly to the building wall. This wall anchor then protrudes through the mounting section and the further component, such as a console, is then attached to it. But it is also possible make the opening square and, for example, to push a carriage bolt through this opening from the rear of the mounting section.

In weiterer vorteilhafter Ausgestaltung der Erfindung weist der Montageabschnitt bzw. weist die erfindungsgemäße Klaue eine schlüssellochartig ausgebildete Öffnung auf. In diese Öffnung kann, ähnlich wie bei einer Hammerschraube, ein weiteres Befestigungselement in einer ersten Position eingeführt werde und anschließend um 90° gedreht werden. Dadurch ergibt sich eine formschlüssige Verbindung des weiteren Bauteils mit der erfindungsgemäßen Klaue. Diese Verbindung ist nicht nur sehr belastbar, sondern lässt sich auch werkzeuglos herstellen und lösen.In a further advantageous embodiment of the invention, the mounting section or the claw according to the invention has a keyhole-shaped opening. Similar to a hammer screw, a further fastening element can be inserted into this opening in a first position and then rotated through 90 °. This results in a positive connection of the further component with the claw according to the invention. This connection is not only very resilient, but can also be made and released without tools.

Die erfindungsgemäße Klaue ist bevorzugt als Blechbiegeteil ausgebildet. Sie kann beispielsweise aus Kunststoffen sowie aus Stahl, insbesondere Edelstahl, oder Aluminiumblech hergestellt werden. Durch die Wahl der Materialdicke kann ferner eine Anpassung an die zu erwartenden Lasten ermöglicht werden, wobei die Materialdicke vorzugsweise in einem Bereich zwischen 1 und 3 mm gewählt ist. Sie kann aber - wenn die statischen Erfordernissen dies erlauben oder notwendig machen - auch darunter oder darüber liegen.The claw according to the invention is preferably designed as a bent sheet metal part. It can be made, for example, from plastics and from steel, in particular stainless steel, or aluminum sheet. Through the choice of the material thickness, an adaptation to the expected loads can also be made possible, the material thickness preferably being selected in a range between 1 and 3 mm. However, if the static requirements permit or make it necessary, it can also be below or above.

Als vorteilhaft hat es sich ferner erwiesen, die Konsole aus Edelstahl herzustellen, da Edelstahl im Gegensatz zu Aluminium eine geringere Wärmeleitfähigkeit aufweist. Dadurch wird die thermische Entkopplung der Fassade von einer Gebäudewand verbessert. Es ist jedoch auch denkbar, die Konsole aus anderen Materialien wie beispielsweise Aluminium oder anderen Stahllegierungen und auch Kunststoffen herzustellen.It has also proven to be advantageous to manufacture the console from stainless steel, since stainless steel, in contrast to aluminum, has a lower thermal conductivity. This improves the thermal decoupling of the facade from a building wall. However, it is also conceivable to manufacture the console from other materials such as aluminum or other steel alloys and also plastics.

Weitere Vorteile und vorteilhafte Ausgestaltungen der Erfindung sind der nachfolgenden Zeichnung, deren Beschreibung und den Patentansprüchen entnehmbar. Alle in der Zeichnung, deren Beschreibung und den in den Patentansprüchen offenbarten Merkmale können sowohl einzeln als auch in beliebiger Kombination miteinander erfindungswesentlich sein.Further advantages and advantageous embodiments of the invention can be found in the following drawing, its description and the patent claims. All of the drawing, its description and the features disclosed in the patent claims can be essential to the invention both individually and in any combination with one another.

Zeichnungendrawings

Es zeigen:

Figur 1
eine isometrische Darstellung eines Ausführungsbeispiels einer Klaue,
Figur 2
eine weitere isometrische Darstellung des gleichen Ausführungsbeispiels,
Figur 3
eine Ansicht von oben auf den Montageabschnitt,
Figur 4
eine Seitenansicht der Klaue,
Figur 5
einen Blechzuschnitt, aus dem das erste Ausführungsbeispiel Klaue gefertigt werden kann,
Figur 6
eine in einer Wärmedämmung angebrachte Klaue,
Figur 7
einen Lasthaken, der in die schlüssellochartige Öffnung der erfindungsgemäßen Klaue einhängbar ist, und
Figur 8
ein Detail der erfindungsgemäßen Klaue; und
Figur 9
einen Ausschnitt eines Blechzuschnitts analog zu Figur 5, aus dem eine erfindungsgemäße Klaue gefertigt werden kann.
Show it:
Figure 1
an isometric representation of an embodiment of a claw,
Figure 2
another isometric representation of the same embodiment,
Figure 3
a top view of the assembly section,
Figure 4
a side view of the claw,
Figure 5
a sheet metal blank from which the first embodiment claw can be produced,
Figure 6
a claw installed in thermal insulation,
Figure 7
a load hook which can be hooked into the keyhole-like opening of the claw according to the invention, and
Figure 8
a detail of the claw according to the invention; and
Figure 9
a section of a sheet metal blank similar to Figure 5 from which a claw according to the invention can be manufactured.

Beschreibung der AusführungsbeispieleDescription of the embodiments

Die Figur 1 zeigt eine isometrische Darstellung eines Ausführungsbeispiels einer Klaue 11. Die Klaue 11 ist als Blechbiegeteil ausgebildet und besteht aus einem ebenen Montageabschnitt 13 und zwei abgekanteten Lasteinleitungsabschnitten 15.The Figure 1 shows an isometric illustration of an exemplary embodiment of a claw 11. The claw 11 is designed as a bent sheet metal part and consists of a flat mounting section 13 and two bent load introduction sections 15.

Wie man aus der Figur 2, die eine andere Blickrichtung auf die Klaue 11 darstellt, gut sehen kann, bilden die Lasteinleitungsabschnitte 15 und der Montageabschnitt 13 einen U-förmigen Querschnitt. Ein Winkel α zwischen dem Montageabschnitt 13 und den Lasteinleitungsabschnitten 15 ist bei diesem Ausführungsbeispiel etwa 90°. In der Regel sind die Lasteinleitungsabschnitte 15 parallel zueinander angeordnet.How to get out of the Figure 2 , which represents another direction of view of the claw 11, can be clearly seen, the load introduction sections 15 and the mounting section 13 form a U-shaped cross section. An angle α between the mounting section 13 and the load introduction sections 15 is approximately 90 ° in this exemplary embodiment. As a rule, the load introduction sections 15 are arranged parallel to one another.

Eine Vorderkante 17 der Lasteinleitungsabschnitte weist bei dem darstellten Ausführungsbeispiel drei Spitzen 19 auf. Diese Spitzen ermöglichen es, die Klaue 11 mit beispielsweise einem Schonhammer in eine an einer Gebäudewand vorhandene feste Wärmedämmung hineinzutreiben, so dass der Montageabschnitt 13 bündig mit der Außenfläche der Wärmedämmung (siehe Figur 6) aufliegt. Dann übernimmt der Montageabschnitt 13 die Druckverteilung.A front edge 17 of the load introduction sections has three tips 19 in the illustrated embodiment. These tips make it possible to drive the claw 11 into, for example, a soft hammer, in a solid thermal insulation present on a building wall, so that the mounting section 13 is flush with the outer surface of the thermal insulation (see Figure 6 ) rests. Then the mounting section 13 takes over the pressure distribution.

Die Lasteinleitungsabschnitte 15 ermöglichen es, Kräfte, die von dem Montageabschnitt 13 aufgenommen und weitergeleitet werden müssen, flächig in die Wärmedämmung einzuleiten.The load introduction sections 15 enable forces which have to be absorbed and passed on by the mounting section 13 to be introduced flatly into the thermal insulation.

In der Figur 1 ist ein Abstand S zwischen dem Montagabschnitt 13 und der Vorderkante 17 bzw. den Spitzen 19 eingetragen.In the Figure 1 a distance S between the mounting section 13 and the front edge 17 or the tips 19 is entered.

In dem Montageabschnitt 13 ist eine Öffnung 21 eingezeichnet. Durch diese Öffnung 21 kann ein Wandanker, der in einer Wand eines Gebäudes verankert ist, durch den Montageabschnitt 13 hindurchragen. An dem überstehenden Teil des Wandankers können weitere Anbauteile, wie zum Beispiel Konsolen für eine vorgehängte Außenfassade oder anderes mehr befestigt werden. Eine zeichnerisch nicht dargestellte Alternative sieht vor, dass anstelle der Öffnung ein Gewindebolzen oder ein Mutter befestigt wird. Auch dadurch ist es möglich weitere Anbauteile an der Klaue zu befestigen.An opening 21 is shown in the mounting section 13. Through this opening 21, a wall anchor, which is anchored in a wall of a building, can protrude through the mounting section 13. Additional parts, such as brackets for a curtain wall or other, can be attached to the protruding part of the wall anchor. An alternative, not shown in the drawing, provides that a threaded bolt or a nut is attached instead of the opening. This also makes it possible to attach additional attachments to the claw.

Dort wo sich der Montageabschnitt 13 und ein Lasteinleitungsabschnitt 15 treffen ist eine schlüssellochförmige Öffnung 23 ausgebildet. Diese schlüssellochförmige Öffnung 23 wird im Zusammenhang mit den Figuren 5, 7 und 8 noch näher erläutert.Where the mounting section 13 and a load introduction section 15 meet, a keyhole-shaped opening 23 is formed. This keyhole-shaped opening 23 is in connection with the Figures 5 , 7 and 8 explained in more detail.

In den Figuren 3 und 4 ist das gleiche Ausführungsbeispiel einer Klaue 1 in einer Ansicht von oben auf den Montageabschnitt und einer Seitenansicht dargestellt. Aus der Zusammenschau der Figuren 1 bis 4 ergeben sich Form und Gestalt der Klaue 11 in eindeutiger Weise.In the Figures 3 and 4 the same embodiment of a claw 1 is shown in a top view of the mounting section and a side view. From the synopsis of Figures 1 to 4 form and shape of the claw 11 arise in a clear manner.

Der in den Figuren 2 und 4 eingetragene Winkel α zwischen Montageabschnitt und Lasteinleitungsabschnitt 15 ist bei dem dargestellten Ausführungsbeispiel gleich 90°. Er kann jedoch auch einen von 90° verschiedenen Winkel, vorzugsweise in dem Bereich zwischen 60° und 120° aufweisen (nicht dargestellt).The one in the Figures 2 and 4th entered angle α between the mounting section and the load introduction section 15 is equal to 90 ° in the illustrated embodiment. However, it can also have an angle different from 90 °, preferably in the range between 60 ° and 120 ° (not shown).

Figur 5 zeigt einen Blechzuschnitt, aus dem eine Klaue 11 hergestellt werden kann. Die Biegelinien sind in der Figur 5 als unterbrochene Linien mit dem Bezugszeichen 25 eingetragen. Figure 5 shows a sheet metal blank from which a claw 11 can be produced. The bending lines are in the Figure 5 entered as broken lines with the reference number 25.

In der Figur 5 ist die Geometrie der schlüssellochartigen Öffnung 23 gut zu erkennen. Sie umfasst bei diesem Ausführungsbeispiel einen Kreis, an dem gegenüberliegend zwei längliche Aussparungen 27 angeordnet sind. Anstelle des Kreises kann auch ein Polygon, insbesondere ein Quadrat, gewählt werden.In the Figure 5 the geometry of the keyhole-like opening 23 is clearly visible. In this exemplary embodiment, it comprises a circle on which two elongate cutouts 27 are arranged opposite one another. A polygon, in particular a square, can also be selected instead of the circle.

In der Figur 6 ist ein Querschnitt durch eine Gebäudewand 29 mit einer Wärmedämmung 31 und montierter Klaue 11 schematisch dargestellt. Die Klaue 11 wird in der Figur 6 von links mit ihren Spitzen 19 an einer Außenfläche 33 der Wärmedämmung 31 angesetzt und dann mit Hammerschlägen in die Wärmedämmung 31 eingetrieben, bis der Montageabschnitt 13 flächig auf der Außenfläche 33 der Wärmedämmung aufliegt.In the Figure 6 a cross section through a building wall 29 with thermal insulation 31 and assembled claw 11 is shown schematically. The claw 11 is in the Figure 6 from the left with their tips 19 attached to an outer surface 33 of the thermal insulation 31 and then driven into the thermal insulation 31 with hammer blows until the mounting section 13 lies flat on the outer surface 33 of the thermal insulation.

Dabei ist zu beachten, dass die Spitzen 19 der Lasteinleitungsabschnitte 15 die Gebäudewand 29 nicht berühren. Dadurch entsteht durch das Montieren der erfindungsgemäßen Klaue 11 keine Kältebrücke. In anderen Worten: Eine Dicke D der Wärmedämmung 31 ist größer als der Abstand S zwischen Montageabschnitt 13 und den Spitzen 19 der Lasteinleitungsabschnitte 19.It should be noted here that the tips 19 of the load introduction sections 15 do not touch the building wall 29. As a result, no cold bridge is created by mounting the claw 11 according to the invention. In other words: a thickness D of the thermal insulation 31 is greater than the distance S between the mounting section 13 and the tips 19 of the load introduction sections 19.

Zusätzlich zu der Montageöffnung 21 ist in der Klaue 11 eine schlüssellochartige Montageöffnung 23 für beispielsweise den in Figur 7 dargestellten Zuganker 76 auf.In addition to the mounting opening 21, there is a keyhole-like mounting opening 23 for example in FIG Figure 7 illustrated tie rod 76.

Der Zuganker 76 weist einen mit der Klaue 11 formschlüssig verbindbaren Verbindungsabschnitt 78 und eine dem Verbindungsabschnitt 78 abgewandten Öse 80 mit einer Bohrung 82 auf.The tie rod 76 has a connecting section 78 which can be connected to the claw 11 in a form-fitting manner and one Connection section 78 facing away from eyelet 80 with a bore 82.

Der Verbindungsabschnitt 78 des Zugankers 76 ist pfeilförmig ausgebildet ist, so dass er mit Hilfe der Schlitze 27 in die Montageöffnung 23 eingeführt werden kann. Wen er anschließend um 90° verdreht wird, entsteht eine formschlüssig auf Zug belastbare Verbindung zwischen Zuganker 76 und Klaue 11.The connecting section 78 of the tie rod 76 is arrow-shaped so that it can be inserted into the mounting opening 23 with the aid of the slots 27. If it is then rotated by 90 °, a connection between the tie rod 76 and the claw 11 that can be positively loaded in tension is created.

Hierzu weist der Zuganker 76 am Verbindungsabschnitt 78 eine Breite 84 auf, die kleiner ist als die Montageöffnung 23 in Richtung der Schlitze 27. Ferner weist der Zuganker 76 an seiner schmalsten Stelle eine Breite 88 auf, die geringfügig kleiner als der kreisförmige Teil der Montageöffnung 23 ist. Somit wird eine einfache und werkzeuglose Befestigung des Zugankers 76 am Fassadenbefestigungsabschnitt 16 ermöglicht.For this purpose, the tie rod 76 on the connecting section 78 has a width 84 that is smaller than the mounting opening 23 in the direction of the slots 27. Furthermore, the tie rod 76 has a width 88 at its narrowest point that is slightly smaller than the circular part of the mounting opening 23 is. This enables simple and tool-free attachment of the tie rod 76 to the facade attachment section 16.

In der Figur 8 ist eine schlüssellochförmige Öffnung 23 vergrößert dargestellt. Es ist gut zu erkennen, dass die schlüssellochförmige Öffnung 23 sich dort befindet, wo ausgehend von dem Blechzuschnitt der Lasteinleitungsabschnitt 15 durch Abbiegen unter dem Winkel α auf den Montageabschnitt 13 trifft.In the Figure 8 a keyhole-shaped opening 23 is shown enlarged. It can be clearly seen that the keyhole-shaped opening 23 is located where, starting from the sheet metal blank, the load introduction section 15 meets the mounting section 13 by bending at the angle α.

Figur 9 zeigt einen Blechzuschnitt, aus dem die erfindungsgemäße Klaue 11 hergestellt werden kann. Eine Biegelinie ist in der Figur 9 als unterbrochene Linien mit dem Bezugszeichen 25 eingetragen. Figure 9 shows a sheet metal blank from which the claw 11 according to the invention can be produced. A bending line is in the Figure 9 entered as broken lines with the reference number 25.

Wie der Figur 9 entnommen werden kann, weist die Vorderkante 17 des oder der Lasteinleitungsabschnitte 15 erfindungsgemäß eine ungerade Anzahl von Spitzen 19, insbesondere drei Spitzen 19, auf, wobei eine mittlere Spitze 27 sich in einer im Lasteinleitungsabschnitt 15 liegenden Ebene orthogonal zum Montageabschnitt 13 weiter erstreckt als die übrigen Spitzen 19. Dabei erstreckt sich die mittlere Spitze 27 um einen Abstand 29 weiter als die übrigen Spitzen 19. Die mittlere Spitze 27, welche die anderen Spitzen 19 um den Abstand 29 überragt, ist als gleichschenkliges Dreieck ausgebildet und kann somit in besonders vorteilhafter Weise dazu genutzt werden, die Klaue 11 zu zentrieren.Again Figure 9 can be removed, the front edge 17 of the load introduction section or sections 15 according to the invention has an odd number of tips 19, in particular three tips 19, a central tip 27 extending in a plane lying in the load introduction section 15 orthogonally to the mounting section 13 than the others Tips 19. The middle tip 27 extends a distance 29 further than the other tips 19. The middle tip 27, which projects beyond the other tips 19 by the distance 29, is designed as an isosceles triangle and can therefore be used in a particularly advantageous manner be used to center the claw 11.

Claims (9)

  1. Claw (11) for introducing loads into the thermal insulation (31) of a building, the claw (11) comprising a mounting part (14) and at least one load introducing part (15), wherein the mounting part (13) and the load introducing part (15) include an angle (α) between 60° and 120°, preferably 90°, and wherein a front edge (17) of the load introducing part (15) comprises at least one point (19), characterized in that the front edge (17) of the load introducing part(s) (15) comprises an uneven number of points (19), in particular three or five points (19), wherein a central point (19) protrudes further than the rest of the points (19) in a plane lying in the load introducing part (15) orthogonal to the mounting part (13) .
  2. Claw as claimed in claim 1, characterized in that the claw (11) comprises a mounting part (13) and two load introducing parts (15).
  3. Claw as claimed in claim 2, characterized in that the claw (11) has a U-shaped or a parallelogram-shaped cross-section.
  4. Claw as claimed in one of the preceding claims, characterized in that the front edge (17) of the load introduction part(s) (15) comprises more than three points (19).
  5. Claw as claimed in claim 1, characterized in that the central point (27) is formed as an isosceles triangle.
  6. Claw as claimed in one of the preceding claims, characterized in that the mounting part (13) comprises at least an opening (21), a threaded bolt and/or a nut.
  7. Claw as claimed in one of the preceding claims, characterized in that preferably at a transition between the load introducing part (15) and the mounting part (13) a keyhole-shaped opening (22) is formed.
  8. Claw as claimed in one of the preceding claims, characterized in that it is a bent sheet-metal part.
  9. Claw as claimed in one of the preceding claims, characterized in that it consists of steel, in particular stainless steel, or aluminum.
EP16738787.7A 2015-07-14 2016-07-14 Claw for transferring load into the thermal insulation of a building Active EP3322860B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16738787T PL3322860T3 (en) 2015-07-14 2016-07-14 Claw for transferring load into the thermal insulation of a building

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015213173.4A DE102015213173A1 (en) 2015-07-14 2015-07-14 Claw for load transfer into the thermal insulation of a building
PCT/EP2016/066732 WO2017009412A1 (en) 2015-07-14 2016-07-14 Claw for applying load to the thermal insulation of a building

Publications (2)

Publication Number Publication Date
EP3322860A1 EP3322860A1 (en) 2018-05-23
EP3322860B1 true EP3322860B1 (en) 2020-05-06

Family

ID=56411642

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16738787.7A Active EP3322860B1 (en) 2015-07-14 2016-07-14 Claw for transferring load into the thermal insulation of a building

Country Status (4)

Country Link
EP (1) EP3322860B1 (en)
DE (1) DE102015213173A1 (en)
PL (1) PL3322860T3 (en)
WO (1) WO2017009412A1 (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2513969A1 (en) * 1974-06-15 1976-10-07 Heinrich Liebig Load spreader plate for anchorage in aerated concrete - has bent rims and central socket for nut of dowel
SE446999B (en) * 1984-03-27 1986-10-20 Sabema Material Ab DEVICE FOR COLLECTION OF INSULATION AND PHASEPUTS
CA1251336A (en) * 1985-10-30 1989-03-21 Michael A. Hatzinikolas Tie support system for masonry veneer
GB9312172D0 (en) * 1993-06-12 1993-07-28 Stone Eglinton Group Ltd Locating device
AT1969U1 (en) 1996-05-24 1998-02-25 Slavonia Baubedarf Gmbh WALL SUPPORT FOR FAÇADE SUBSTRUCTIONS
DE102005044051A1 (en) * 2004-10-15 2006-05-04 Deutsche Rockwool Mineralwoll Gmbh + Co Ohg Building roof as well as insulating layer construction and mineral fiber insulating element for a building roof
DE102006062701A1 (en) * 2006-05-19 2007-12-13 August Braun Building insulation arrangement
JP4938512B2 (en) * 2007-03-15 2012-05-23 ニチハ株式会社 Base metal fittings and outer wall construction structure
WO2012143035A1 (en) * 2011-04-18 2012-10-26 Fibrecem Holding Ag Reinforcing plate
CA2809080C (en) * 2012-03-14 2017-03-07 Mitek Holdings, Inc. Mounting arrangement for panel veneer structures

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3322860A1 (en) 2018-05-23
WO2017009412A1 (en) 2017-01-19
PL3322860T3 (en) 2020-10-05
DE102015213173A1 (en) 2017-01-19

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