EP2679759B1 - Edge joint for hollow profile frames - Google Patents
Edge joint for hollow profile frames Download PDFInfo
- Publication number
- EP2679759B1 EP2679759B1 EP12173349.7A EP12173349A EP2679759B1 EP 2679759 B1 EP2679759 B1 EP 2679759B1 EP 12173349 A EP12173349 A EP 12173349A EP 2679759 B1 EP2679759 B1 EP 2679759B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wedge
- arm
- leg
- hollow profile
- corner
- 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.)
- Not-in-force
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
- E06B3/964—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces
- E06B3/968—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members
- E06B3/972—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members by increasing the cross-section of the connecting pieces, e.g. by expanding the connecting pieces with wedges
- E06B3/9725—Mitre joints
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
- E06B3/964—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces
- E06B3/968—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members
- E06B3/98—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members the connecting pieces being specially adapted for drawing the frame members towards each other
- E06B3/982—Mitre joints
Definitions
- the present invention relates to a hollow profile frame with a corner connector according to the preamble of claim 1.
- corner connectors are used to connect the mitered end portions of two hollow sections of a frame, such as a window or door frame at right angles to each other.
- the corner connector comprises for this purpose an elbow with two legs, each of which can be inserted into the end portions of the hollow sections to be connected and anchored or braced therein.
- the connection should have the required stability, on the other hand, however, to avoid high pressures or stresses in the frame, so that no damage occurs.
- hollow frame profiles are also made of a mixture of materials, which in addition to plastic also contains wood or wood-based materials, such as wood flour or the like. This is desirable for the sake of a resource-conserving and thus environmentally friendly production, since here also recycled materials can be used.
- wood or wood-based materials such as wood flour or the like.
- wood or wood-based materials such as wood flour or the like.
- these materials are comparatively new in window and door construction and make special demands with regard to the corner connectors.
- Such hollow profiles can be held together with high pressure loads, which of the previously known corner joints, the use a wedge connection, can not be applied. However, it is important to control the load, ie to apply it with a given force. In the known angle connectors, this is not readily possible.
- Object of the present invention is therefore to provide a hollow profile frame with a corner joint, which is easy and reliable to install and allows the application of high pressure loads on the joint with controlled effort. Another object is to provide such a hollow profile frame with corner connector, which centers the hollow sections of the frame itself and clamped together.
- one of the two legs of the angle piece is supplemented at its end by a clamping piece which lies in the extension of the leg axis and is displaceable along the latter, so that the remainder of the angle piece is movable relative to the clamping piece.
- Both legs have lateral wedge-shaped recesses, on the wedge surfaces of a wedge rests such that its tip is oriented towards the corner of the elbow.
- the wedges can be slid on the wedge surfaces, especially in the direction of the corner.
- the wedge, which rests in the first leg and will be referred to as the first wedge in the following, is firmly connected at its side with the clamping piece, so that it is carried along with a relative movement of the clamping piece with this and slides on the wedge surface.
- the clamping piece is anchored as well as the remaining second leg in the respective end portions of the hollow profile by anchor bolts.
- a clamping screw is guided axially from the corner of the angle ago by a channel in the first leg and extends into the clamping piece and is screwed into this.
- a rotation of the clamping screw is thus converted into a sliding movement of the clamping piece.
- the legs of the elbow are due to the sliding movement of the wedges on the corner to the lateral direction, d. H. widens transversely to the clamping direction. So not only the miter cut surfaces of the hollow sections are pressed against each other, but there is also a lateral splaying of the legs held within the hollow sections, which gives this additional support and determines their position.
- the opposite side of the wedges of the elbow serves as a reference page for the positioning in the hollow profile, which always rests on the inside of the channel in profile for receiving the respective leg.
- the first leg is inserted together with the clamping piece and the first wedge in a Hohlprofilendabêt until a defined position is reached, in which the head of the clamping screw is exposed at the corner of the elbow in an opening of the hollow profile.
- the clamping piece is anchored in its hollow profile, for example by anchor bolts, which are screwed from the outside through the wall of the hollow profile in the clamping piece.
- the end portion of the remaining hollow profile section is pushed onto the second leg with the second wedge until an internally threaded bore in the second leg is aligned with a corresponding opening in the outer wall of the hollow profile, so that an anchor screw can be screwed therein, the second leg in its hollow profile anchored.
- the tightening screw is turned so that the first leg is pulled toward the firmly anchored tension piece until the miter cut surfaces (via the seals mounted thereon) come into contact with each other.
- the first wedge connected to the clamping piece is clamped to the underlying first leg. Since a lateral force component transversely to the clamping screw occurs when the miter surfaces meet, this causes a lateral displacement of the transverse to the clamping screw stationary hollow section end portion and thus the bracing of the second leg therein.
- the tensioning piece and the second leg are anchored in the respective end portions by anchor bolts, which are screwed from the outside through the walls of the end portions in the clamping piece and the second leg.
- the recesses are formed by cutouts in the legs, whose base surfaces form the wedge surfaces on which the respective wedge slidably rests with its underside.
- the clamping piece is located in a recess at the end of the first leg.
- a pin which points to the tip of the wedge and rests in a guide hole in the end of the second leg.
- Fig. 1 illustrated corner connector 10 is used to connect two hollow sections of a frame, such as a window or door frame.
- this corner connector 10 is not suitable exclusively for use on window or door frame profiles, but is equally suitable for hollow profile frames of other types, such as for receiving photovoltaic modules or the like.
- the corner connector 10 is formed overall L-shaped and includes an elbow 12 with two legs 14,16, which will be referred to in the following as the first leg 14 and second leg 16.
- the legs 14, 16 are at right angles to each other and are provided for insertion into the end sections to be joined two hollow sections of the frame.
- the angle piece 12 is made of plastic, and the two legs 14,16 are formed integrally with each other at the corner 18. On their outer surfaces, which are remote from the respective other leg, the legs 14, 16 have ribs 19, which extend along the respective limb 14, 16.
- the legs 14,16 have substantially the same length.
- the first leg 14 on the left in Fig. 1 has at its free end a central, approximately rectangular recess 20. It serves to receive a clamping piece 22 which can be inserted along the leg axis S of the first leg 14 into the recess 20. This inserted state is in Fig. 2 shown.
- the legs 14,16 On their tops in the Fig. 1 and 2 the legs 14,16 have lateral cutouts 24,26. These extend substantially along the respective leg axis and are approximately wedge-shaped, such that the depth of the cutout 24,26 gradually increases from the corner 18 in the direction of the ends of the legs 14,16. The respective bottom 28 of the cutout thus forms an inclined sloping from the corner 18 forth sliding surface.
- the recesses 24,26 serve to receive wedges, namely a first wedge 30, which rests in the cutout 24 in the first leg 14, and a second wedge 32 which is received by the cutout 26 in the second leg 16.
- the cross section of the wedges 30, 32 is essentially the same. Both wedges 30,32 have a flat underside wedge surface for resting on the respective bottom 28 of the cutout 24,26, and a slightly rounded in cross section top.
- the tips of the wedges 30,32 point towards the corner 18, and their wedge angle corresponds to that of the recesses 24,26, so that the free tops of the wedges 30,32 in the inserted state in the recesses 24,26 are horizontal in a plane parallel to the plane in which the opposite sides 34,36 of the legs 14,16 lie, which are in the Fig. 1 and 2 located below.
- the wedge 30 is integrally connected at its obtuse, the corner 18 opposite end with the clamping piece 22 and laterally (ie in the Fig. 1 and 2 above) to the clamping piece 22 is formed.
- a displacement of the clamping piece 22 in the recess 20 in the direction of the corner 18 thus results in a corresponding displacement of the first wedge 30 in the cutout 24 in the first leg 14.
- By sliding the first wedge 30 on the bottom 28 of the cutout 24 wedge the wedge 30 at the same time in the top Fig. 1 and 2 , ie laterally to the direction of displacement. If this displacement takes place in the inserted state of the corner connector 10 in the hollow profile, the first leg 14 is widened by the movement of the first wedge 30 and clamped in the corresponding hollow profile end section.
- This bracing can be through a in the Fig. 1 and 2 reach clamping screw not shown, which is guided from the corner 18 forth through a channel 38 along the leg axis S in the first leg 14 and is freely rotatable in this channel 38. With its end, which projects from the channel 38 into the recess 20, the clamping screw is screwed into the clamping piece 22. By tightening the clamping screw thus the clamping piece 22 can be pulled into the corresponding recess 20, so that the first leg 14 is spread and clamped in the manner described above.
- the second wedge 32 which rests in the second leg 16, has at its obtuse, the corner 18 remote from the end a lateral pin 40 which is laterally formed on this end and points to the wedge tip.
- This pin 40 is intended to be fully received in the free end of the second leg 16 and there to slide in a guide hole, which in the Fig. 1 and 2 not shown in detail.
- Fig. 2 shows a state of the corner connector 10, in which the clamping piece 22 is completely received in the recess 20.
- the wedges 30,32 are also completely in their recesses 24,26, so that only their tops and their wedge ridges exposed at the ends of the legs 14,16.
- Fig. 3 shows a corner of the hollow profile frame 42 from the outside in a side view. At this corner, two hollow profile end portions, namely a horizontal end portion 44 and an end portion 46 perpendicular thereto, are joined together at their miter cut surfaces 48, 50. Between the miter cutting surfaces 48,50 is a seal 52nd
- Fig. 3 In the hollow profile frame 42 made Fig. 3 is the corner connector 10 from the Fig. 1 . 2 and 4 one.
- Fig. 4 shows the corner connector 10 again in a view corresponding to the orientation of the hollow profile frame 42 in Fig. 3 ,
- the first leg 14 is therefore in in Fig. 3 vertical end portion 46, while the second leg 16 rests in the remaining horizontal end portion 44.
- Fig. 6 shows the second leg 16 with its anchor bolts 56.
- the structure of the second leg 16 is on the one hand to ensure good stability and bracing in the end portion 44, on the other hand be designed to save material.
- the ribs 18 make a good compromise between these requirements.
- Fig. 7 shows the other hollow-profile end portion 46. On the outside thereof also extends a groove in which the anchor bolts 54 are sunk for the clamping piece 22 in the interior of the end portion 46.
- Fig. 8 For example, the outer side of the first leg 14, which rests in the hollow-profile end portion 46, a similar outer structure as the second leg 16.
- the construction of the clamping piece 22 with the anchor bolts 54 inserted therein is also clearly visible.
- the clamping piece 22 comprises a laterally widened head 60, which rests in the recess 20.
- the head has slightly wedge-shaped outer surfaces 62 running towards one another, which are pressed into the recess 20 in the lateral boundary surfaces of the recess 22 when the tensioning piece 22 is pulled in.
- the clamping screw 58 is in Fig. 8 also partially recognizable.
- Fig. 9 is a section along the plane AA in Fig. 5 which extends along the axis of the clamping screw 58. It shows how the first leg 14 of the corner connector 10 rests in the hollow profile end portion 46.
- the section through the clamping piece 22 also shows here how the first wedge 30 laterally on the head 60 (see Fig. 8 ) of the clamping piece 22 is formed and how the wedge 30 and the remaining part of the first leg 14 complement each other to a substantially rectangular cross-section.
- FIG. 10 For a better overview of the first leg 14 and the clamping piece 22 with the molded thereon first wedge 30 in Fig. 10 optional.
- This sectional view in Fig. 10 is in a level BB in Fig. 6 ,
- FIG. 11 shows a section through the hollow profile end portion 44 with the inserted therein and strained second leg 16 of the corner connector 10. Also visible is a longitudinal section through the second wedge 32 with the formed thereon pin 40, in the guide hole 64 at the end of the second leg sixteenth rests.
- the anchor bolts 56 for anchoring the second leg 16 in the hollow profile end portion 44 are also recognizable, as well as a cross section through the clamping screw 58th
- Fig. 12 is the second leg 16 with the second wedge 32 released and shown without the hollow profile end portion 44.
- the wedge 32 is slightly displaced together with pin 40 to the free end of the second leg 16, ie, the pin 40 is slightly pulled out of the guide hole 64.
- the second wedge 32 slightly spreads the cross section of the second leg 16 and tightens it within the hollow profile end portion 44. This is accomplished by a slight displacement of the end portion 44 together with the second leg 16 anchored therein as an evasive movement if, when tightening the clamping screw 58, the miter surfaces 48, 50 are pressed against one another.
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Description
Die vorliegende Erfindung betrifft einen Hohlprofilrahmen mit einem Eckverbinder gemäß dem Oberbegriff des Anspruchs 1.The present invention relates to a hollow profile frame with a corner connector according to the preamble of claim 1.
Derartige Eckverbinder werden dazu verwendet, die auf Gehrung geschnittenen Endabschnitte zweier Hohlprofile eines Rahmens, wie etwa eines Fenster- oder Türrahmens miteinander rechtwinklig zu verbinden. Der Eckverbinder umfasst zu diesem Zweck ein Winkelstück mit zwei Schenkeln, die sich jeweils in die Endabschnitte der zu verbindenden Hohlprofile einschieben und darin verankern oder verspannen lassen. Hierbei ist es erforderlich, die Hohlprofile präzise und mit der geeigneten Spannung zusammenzufügen. Einerseits soll die Verbindung die erforderliche Stabilität aufweisen, andererseits sind jedoch zu hohe Drücke oder Spannungen im Rahmen zu vermeiden, damit keine Beschädigungen auftreten.Such corner connectors are used to connect the mitered end portions of two hollow sections of a frame, such as a window or door frame at right angles to each other. The corner connector comprises for this purpose an elbow with two legs, each of which can be inserted into the end portions of the hollow sections to be connected and anchored or braced therein. In this case, it is necessary to assemble the hollow profiles precisely and with the appropriate tension. On the one hand, the connection should have the required stability, on the other hand, however, to avoid high pressures or stresses in the frame, so that no damage occurs.
Zum Verspannen des Winkelstücks in den Hohlprofilen existiert bereits eine größere Anzahl von Lösungen, wie beispielsweise das Verbinder-Winkelstück, das in
Vergleichbare Lösungen sind in
Neuerdings werden Rahmenhohlprofile auch aus einem Materialgemisch hergestellt, das neben Kunststoff auch Holz oder Holzwerkstoffe enthält, wie etwa Holzmehl oder dergleichen. Dies ist aus Gründen einer Ressourcen schonenden und damit umweltfreundlichen Produktion erwünscht, da hier auch Recyclingstoffe zum Einsatz kommen können. Diese Materialien sind jedoch im Fenster- und Türenbau vergleichsweise neu und stellen in Bezug auf die Eckverbinder besondere Anforderungen. Solche Hohlprofile können mit hohen Drucklasten zusammengehalten werden, die von den bisher bekannten Eckverbindern, die eine Keilverbindung verwenden, nicht aufgebracht werden können. Es ist jedoch wichtig, die Last kontrolliert, d.h. mit einer vorgegebenen Kraft aufzubringen. Bei den bekannten Winkelverbindern ist dies nicht ohne weiteres möglich.Recently, hollow frame profiles are also made of a mixture of materials, which in addition to plastic also contains wood or wood-based materials, such as wood flour or the like. This is desirable for the sake of a resource-conserving and thus environmentally friendly production, since here also recycled materials can be used. However, these materials are comparatively new in window and door construction and make special demands with regard to the corner connectors. Such hollow profiles can be held together with high pressure loads, which of the previously known corner joints, the use a wedge connection, can not be applied. However, it is important to control the load, ie to apply it with a given force. In the known angle connectors, this is not readily possible.
Ferner ist es erforderlich, die Hohlprofile während des Zusammenfügens ihrer Gehrungsschnittflächen möglichst genau aufeinander auszurichten, insbesondere auch seitlich zur Verspannrichtung, d.h. in einer Richtung, die senkrecht zu der Ebene steht, die von den Schenkeln des Winkelstücks aufgespannt wird.Furthermore, it is necessary to align the hollow sections as closely as possible during the assembly of their Miter cutting surfaces, especially laterally to the Verspannrichtung, i. in a direction perpendicular to the plane defined by the legs of the elbow.
Aufgabe der vorliegenden Erfindung ist es daher, einen Hohlprofilrahmen mit einem Eckverbinder zu schaffen, der einfach und zuverlässig zu montieren ist und die Aufbringung hoher Drucklasten auf die Verbindungsstelle mit kontrolliertem Kraftaufwand zulässt. Eine weitere Aufgabe besteht in der Schaffung eines solchen Hohlprofilrahmens mit Eckverbinder, der die Hohlprofile des Rahmens selbst zentriert und miteinander verspannt.Object of the present invention is therefore to provide a hollow profile frame with a corner joint, which is easy and reliable to install and allows the application of high pressure loads on the joint with controlled effort. Another object is to provide such a hollow profile frame with corner connector, which centers the hollow sections of the frame itself and clamped together.
Diese Aufgabe wird erfindungsgemäß durch einen Eckverbinder mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved by a corner connector with the features of claim 1.
Erfindungsgemäß ist einer der beiden Schenkel des Winkelstücks an seinem Ende durch ein Spannstück ergänzt, das in der Verlängerung der Schenkelachse liegt und entlang dieser verschiebbar ist, so dass der Rest des Winkelstücks bzgl. des Spannstücks beweglich ist. Beide Schenkel weisen seitliche keilförmige Ausnehmungen auf, auf deren Keilflächen ein Keil derart aufliegt, dass seine Spitze zur Ecke des Winkelstücks hin orientiert ist. Die Keile können auf den Keilflächen gleitend verschoben werden, insbesondere in Richtung der Ecke. Der Keil, der im ersten Schenkel einliegt und im folgenden als erster Keil bezeichnet werden soll, ist an seiner Seite fest mit dem Spannstück verbunden, so dass er bei einer Relativbewegung des Spannstücks mit diesem mitgeführt wird und auf der Keilfläche gleitet.According to the invention, one of the two legs of the angle piece is supplemented at its end by a clamping piece which lies in the extension of the leg axis and is displaceable along the latter, so that the remainder of the angle piece is movable relative to the clamping piece. Both legs have lateral wedge-shaped recesses, on the wedge surfaces of a wedge rests such that its tip is oriented towards the corner of the elbow. The wedges can be slid on the wedge surfaces, especially in the direction of the corner. The wedge, which rests in the first leg and will be referred to as the first wedge in the following, is firmly connected at its side with the clamping piece, so that it is carried along with a relative movement of the clamping piece with this and slides on the wedge surface.
Das Spannstück ist ebenso wie auch der verbleibende zweite Schenkel in den jeweiligen Endabschnitten des Hohlprofils durch Ankerschrauben verankert. Eine Spannschraube ist von der Ecke des Winkelstücks her axial durch einen Kanal im ersten Schenkel geführt und erstreckt sich in das Spannstück hinein und ist in dieses eingeschraubt. Eine Drehung der Spannschraube wird somit in eine Verschiebebewegung des Spannstücks umgesetzt. Insbesondere lässt sich durch ein Anziehen der Spannschraube das Spannstück auf die Ecke zubewegen, so dass der erste Keil ebenfalls auf die Ecke zugleitet.The clamping piece is anchored as well as the remaining second leg in the respective end portions of the hollow profile by anchor bolts. A clamping screw is guided axially from the corner of the angle ago by a channel in the first leg and extends into the clamping piece and is screwed into this. A rotation of the clamping screw is thus converted into a sliding movement of the clamping piece. In particular, can be by tightening the clamping screw the Move the clamping piece to the corner so that the first wedge also leads to the corner.
Aufgrund der Verankerung des Spannstücks und des zweiten Schenkels in den jeweiligen Endabschnitten der Hohlprofile findet somit auch ein Verspannen der Hohlprofile gegeneinander statt, indem diese an ihren Gehrungsschnittflächen aufeinanderstoßen. Auf die Spannschrauben können hohe, jedoch kontrollierte Kräfte mit Hilfe eines Drehmomentschlüssels ausgeübt werden, so dass durch Einstellung des Drehmoments auch der Druck gewählt wird, mit welchem die Hohlprofile gegeneinander gezogen werden. Eine zwischen den Hohlprofilen an den Gehrungsschnittflächen angebrachte optionale Dichtung wird auf diese Weise mit einem bestimmten Druck zusammengepresst.Due to the anchoring of the clamping piece and the second leg in the respective end portions of the hollow profiles thus also takes place a distortion of the hollow profiles against each other by these collide at their Gehrungsschnittflächen. On the clamping screws high but controlled forces can be exercised by means of a torque wrench, so that by adjusting the torque and the pressure is selected, with which the hollow profiles are pulled against each other. An optional seal mounted between the hollow profiles on the miter cut surfaces is thus compressed with a certain pressure.
Während des Verspannens werden die Schenkel des Winkelstücks aufgrund der Gleitbewegung der Keile auf die Ecke zu in seitlicher Richtung, d. h. quer zur Spannrichtung verbreitert. Es werden also nicht nur die Gehrungsschnittflächen der Hohlprofile gegeneinander gedrückt, sondern es findet auch ein seitliches Verspreizen der Schenkel innerhalb der Hohlprofile statt, das diesen zusätzlichen Halt gibt und ihre Position festlegt. Die den Keilen gegenüberliegende Seite des Winkelstücks dient hierbei als Referenzseite für die Positionierung im Hohlprofil, die stets von innen an dem Kanal im Profil zur Aufnahme des jeweiligen Schenkels anliegt.During the bracing, the legs of the elbow are due to the sliding movement of the wedges on the corner to the lateral direction, d. H. widens transversely to the clamping direction. So not only the miter cut surfaces of the hollow sections are pressed against each other, but there is also a lateral splaying of the legs held within the hollow sections, which gives this additional support and determines their position. The opposite side of the wedges of the elbow serves as a reference page for the positioning in the hollow profile, which always rests on the inside of the channel in profile for receiving the respective leg.
Bei der Montage wird beispielsweise zunächst der erste Schenkel zusammen mit dem Spannstück und dem ersten Keil in einen Hohlprofilendabschnitt eingeschoben, bis eine definierte Position erreicht ist, in der der Kopf der Spannschraube an der Ecke des Winkelstücks in einer Öffnung des Hohlprofils freiliegt. In dieser Position wird das Spannstück in seinem Hohlprofil verankert, beispielsweise durch Ankerschrauben, die von außen durch die Wand des Hohlprofils in das Spannstück eingedreht werden. Anschließend wird der Endabschnitt des verbleibenden Hohlprofilabschnitts auf den zweiten Schenkel mit dem zweiten Keil aufgeschoben, bis eine Innengewindebohrung im zweiten Schenkel mit einer entsprechenden Öffnung in der Außenwand des Hohlprofils fluchtet, so dass eine Ankerschraube darin eingedreht werden kann, die den zweiten Schenkel in seinem Hohlprofil verankert.During assembly, for example, first the first leg is inserted together with the clamping piece and the first wedge in a Hohlprofilendabschnitt until a defined position is reached, in which the head of the clamping screw is exposed at the corner of the elbow in an opening of the hollow profile. In this position, the clamping piece is anchored in its hollow profile, for example by anchor bolts, which are screwed from the outside through the wall of the hollow profile in the clamping piece. Subsequently, the end portion of the remaining hollow profile section is pushed onto the second leg with the second wedge until an internally threaded bore in the second leg is aligned with a corresponding opening in the outer wall of the hollow profile, so that an anchor screw can be screwed therein, the second leg in its hollow profile anchored.
Im folgenden wird die Spannschraube gedreht, so dass der erste Schenkel in Richtung des fest verankerten Spannstücks gezogen wird, bis die Gehrungsschnittflächen (über die darauf angebrachten Dichtungen) miteinander in Kontakt kommen. Gleichzeitig wird der mit dem Spannstück verbundene erste Keil mit dem darunter liegenden ersten Schenkel verspannt. Da beim Aufeinandertreffen der Gehrungsflächen eine seitliche Kraftkomponente quer zur Spannschraube auftritt, bewirkt diese eine seitliche Verschiebung des quer zur Spannschraube stehenden Hohlprofil-Endabschnitts und somit das Verspannen des zweiten Schenkels darin.In the following, the tightening screw is turned so that the first leg is pulled toward the firmly anchored tension piece until the miter cut surfaces (via the seals mounted thereon) come into contact with each other. At the same time the first wedge connected to the clamping piece is clamped to the underlying first leg. Since a lateral force component transversely to the clamping screw occurs when the miter surfaces meet, this causes a lateral displacement of the transverse to the clamping screw stationary hollow section end portion and thus the bracing of the second leg therein.
Gemäß der vorliegenden Erfindung sind das Spannstück und der zweite Schenkel in den jeweiligen Endabschnitten durch Ankerschrauben verankert, die von außen durch die Wände der Endabschnitte in das Spannstück bzw. den zweiten Schenkel eingeschraubt sind.According to the present invention, the tensioning piece and the second leg are anchored in the respective end portions by anchor bolts, which are screwed from the outside through the walls of the end portions in the clamping piece and the second leg.
Gemäß einer Ausführungsform der Erfindung werden die Ausnehmungen durch Ausfräsungen in den Schenkeln gebildet, deren Grundflächen die Keilflächen bilden, auf denen der jeweilige Keil mit seiner Unterseite gleitend aufliegt.According to one embodiment of the invention, the recesses are formed by cutouts in the legs, whose base surfaces form the wedge surfaces on which the respective wedge slidably rests with its underside.
Weiter vorzugsweise liegt das Spannstück in einer Ausnehmung am Ende des ersten Schenkels ein.Further preferably, the clamping piece is located in a recess at the end of the first leg.
Gemäß einer weiteren bevorzugten Ausführungsform der vorliegenden Erfindung ist an das stumpfe Ende des zweiten Keils, der im zweiten Schenkel einliegt, seitlich ein Zapfen angeformt, der zur Spitze des Keils hinweist und in einem Führungsloch im Ende des zweiten Schenkels einliegt.According to a further preferred embodiment of the present invention is laterally formed on the blunt end of the second wedge, which rests in the second leg, a pin which points to the tip of the wedge and rests in a guide hole in the end of the second leg.
Im folgenden wird eine bevorzugte Ausführungsform der vorliegenden Erfindung anhand der Zeichnung näher erläutert.
- Fig. 1
- ist eine perspektivische Ansicht einer Ausführungsform des Eckverbinders des erfindungsgemäßen Hohlprofilrahmens im zerlegten Zustand;
- Fig. 2
- ist eine perspektivische Darstellung des Eckverbinders aus
Fig. 1 im zusammengefügten Zustand; - Fig. 3
- ist eine Seitenansicht des erfindungsgemäßen Hohlprofilrahmens, das mit Hilfe des Eckverbinders zusammengefügt ist;
- Fig. 4
- ist eine Seitenansicht der Ausführungsform des Eckverbinders aus den
Fig. 1 und2 , zum Zusammenfügen des Hohlprofils gemäßFig. 3 ; - Fig. 5
- ist eine Draufsicht auf den oberen Hohlprofil-Endabschnitt in
Fig. 3 ; - Fig. 6
- ist eine Draufsicht auf einen zweiten Schenkel des Eckverbinders aus
Fig. 4 , der in dem Hohlprofil-Endabschnitt ausFig. 5 enthalten ist; - Fig. 7
- ist eine Draufsicht auf den senkrechten linken Hohlprofil-Endabschnitt aus
Fig. 3 ; - Fig. 8
- ist eine Draufsicht auf den ersten Schenkel des Eckverbinders aus
Fig. 4 , der in den Hohlprofil-Endabschnitt ausFig. 7 eingespannt ist; - Fig. 9
- ist ein Schnitt entlang der Linie A-A aus
Fig. 5 , entlang der Achse der Spannschraube des Eckverbinders aus denFig. 1 ,2 und4 ; - Fig. 10
- ist ein Schnitt entlang der Linie B-B in
Fig. 6 entlang der Spannschraube; - Fig. 11
- ist ein Schnitt entlang der Linie D-D in
Fig. 7 ; und - Fig. 12
- ist ein Schnitt entlang der Linie C-C in
Fig. 8 .
- Fig. 1
- is a perspective view of an embodiment of the corner connector of the hollow profile frame according to the invention in the disassembled state;
- Fig. 2
- is a perspective view of the corner connector
Fig. 1 in the assembled state; - Fig. 3
- is a side view of the hollow profile frame according to the invention, which is joined together by means of the corner connector;
- Fig. 4
- is a side view of the embodiment of the corner connector of the
Fig. 1 and2 , for joining the hollow profile according toFig. 3 ; - Fig. 5
- is a plan view of the upper hollow profile end portion in
Fig. 3 ; - Fig. 6
- is a plan view of a second leg of the corner connector
Fig. 4 in the hollow section end sectionFig. 5 is included; - Fig. 7
- is a plan view of the vertical left hollow profile end portion
Fig. 3 ; - Fig. 8
- is a plan view of the first leg of the corner connector
Fig. 4 extending into the hollow section end sectionFig. 7 is clamped; - Fig. 9
- is a section taken along the line AA
Fig. 5 , along the axis of the clamping screw of the corner connector from theFig. 1 .2 and4 ; - Fig. 10
- is a section along the line BB in
Fig. 6 along the clamping screw; - Fig. 11
- is a section along the line DD in
Fig. 7 ; and - Fig. 12
- is a section along the line CC in
Fig. 8 ,
Der in
Der Eckverbinder 10 ist insgesamt L-förmig ausgebildet und umfasst ein Winkelstück 12 mit zwei Schenkeln 14,16, die im folgenden als erster Schenkel 14 und zweiter Schenkel 16 bezeichnet werden sollen. Die Schenkel 14, 16 stehen im rechten Winkel zueinander und sind zum Einschub in die zu verbindenden Endabschnitte zweier Hohlprofile des Rahmens vorgesehen.The
Das Winkelstück 12 besteht aus Kunststoff, und die beiden Schenkel 14,16 sind einstückig an der Ecke 18 miteinander ausgeformt. An ihren Außenflächen, die dem jeweils anderen Schenkel abgewandt sind, weisen die Schenkel 14,16 Rippen 19 auf, die sich entlang des jeweiligen Schenkels 14,16 erstrecken.The
Die Schenkel 14,16 haben im wesentlichen die gleiche Länge. Der erste Schenkel 14 auf der linken Seite in
Auf ihren Oberseiten in den
Die Ausfräsungen 24,26 dienen zur Aufnahme von Keilen, nämlich eines ersten Keils 30, der in der Ausfräsung 24 im ersten Schenkel 14 einliegt, und eines zweiten Keils 32, der von der Ausfräsung 26 im zweiten Schenkel 16 aufgenommen wird. Der Querschnitt der Keile 30,32 ist im wesentlichen gleich. Beide Keile 30,32 weisen eine flache unterseitige Keilfläche zur Auflage auf dem jeweiligen Grund 28 der Ausfräsung 24,26 auf, sowie eine im Querschnitt leicht abgerundete Oberseite. Die Spitzen der Keile 30,32 weisen zur Ecke 18 hin, und ihr Keilwinkel entspricht demjenigen der Ausfräsungen 24,26, so dass die freien Oberseiten der Keile 30,32 im einliegenden Zustand in den Ausfräsungen 24,26 horizontal in einer Ebene liegen, parallel zu der Ebene, in der die gegenüberliegenden Seiten 34,36 der Schenkel 14,16 liegen, die sich in den
Der Keil 30 ist an seinem stumpfen, der Ecke 18 abgewandten Ende einstückig mit dem Spannstück 22 verbunden und seitlich (d. h. in den
Dieses Verspannen lässt sich durch eine in den
Der zweite Keil 32, der im zweiten Schenkel 16 einliegt, weist an seinem stumpfen, der Ecke 18 abgewandten Ende einen seitlichen Zapfen 40 auf, der seitlich an dieses Ende angeformt ist und zur Keilspitze hinweist. Dieser Zapfen 40 ist dazu vorgesehen, vollständig in das freie Ende des zweiten Schenkels 16 aufgenommen zu werden und dort in ein Führungsloch zu gleiten, das in den
In dem Hohlprofilrahmen 42 aus
Zum Verspannen des Eckverbinders 10 im Hohlprofilrahmen 42 ist es erforderlich, einerseits das Spannstück 22 im Endabschnitt 46 und andererseits den zweiten Schenkel 16 im Endabschnitt 44 fest zu verankern. Dies geschieht mittels Ankerschrauben 54, 56, die von außen durch entsprechende Öffnungen in der Hohlprofil-Außenwand eingesetzt und in das Spannstück 22 bzw. in den Körper des zweiten Schenkels 16 eingedreht sind. In der Ansicht in
Gemäß
Zur besseren Übersicht sind der erste Schenkel 14 und das Spannstück 22 mit dem daran angeformten ersten Keil 30 in
Die Darstellung in
In
Claims (4)
- Hollow profile frame comprising two hollow profiles and one corner connector (10) with an angle element (12) with two arms (14,16) for insertion into the inter-connected end sections (44,46) of the hollow profiles, with a first arm (14) of the two arms being additionally provided at its end with a tensioning element (22) which lies in the prolongation of the arm axis (S) and can be displaced along this latter,
arms (14,16) are provided with lateral wedge-shaped recesses (24,26) against whose wedge surfaces a wedge (30,32) rests, whose tip faces towards corner (18) of angle element (12),
the first wedge (30) inserted in the first arm (14) is inseperably connected with tensioning element (22),
tensioning element (22) and the second arm (16) are anchored In respective end sections (44,46) and corner connector (10) also comprises a tensioning screw (58) which projects axially from the corner (18) of angle element (12) through the first arm (14) into tensioning element (22) and is screwed Into the latter,
characterised in that the lateral wedge-shaped recesses (24,26) of arms (14,16) are provided on the same side of angle element (12) and the free upper sides of wedges (30,32) lie horizontally in one plane when resting inside recesses (24,26),
and in that tensioning element (22) and the second arm (16) are anchored in the respective end sections (44,46) by anchror screws (54,56) which are screwed into tensioning element (22) or the second arm (16) from the exterior, through the walls of end sections (44,46). - Hollow profile frame of claim 1, characterised in that the recesses are formed by milled grooves (24,26) in arms (14,16), whose bottom surfaces (28) form the wedge surfaces against which each wedge (30,32) rests slidingly by means of its underside.
- Hollow profile frame of one of the preceding claims, characterised in that tensioning element (22) rests in a recess (20) at the end of the first arm (14).
- Hollow profile frame of one of the preceding claims, characterised in that contrived laterally on the blunt end of the second wedge (32) which rests in second arm (16), there is a pin (40) which is oriented towards its tip and rests in a guide hole (64) at the end of second arm (16).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12173349.7A EP2679759B1 (en) | 2012-06-25 | 2012-06-25 | Edge joint for hollow profile frames |
CN201310233423.3A CN103510808B (en) | 2012-06-25 | 2013-06-13 | Corner connector for hollow profile framework |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12173349.7A EP2679759B1 (en) | 2012-06-25 | 2012-06-25 | Edge joint for hollow profile frames |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2679759A1 EP2679759A1 (en) | 2014-01-01 |
EP2679759B1 true EP2679759B1 (en) | 2018-02-28 |
Family
ID=46384212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12173349.7A Not-in-force EP2679759B1 (en) | 2012-06-25 | 2012-06-25 | Edge joint for hollow profile frames |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2679759B1 (en) |
CN (1) | CN103510808B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018101285A1 (en) | 2018-01-22 | 2019-07-25 | Manfred Bauszus | Corner connector |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1193314B (en) * | 1963-03-23 | 1965-05-20 | Alux Metallwaren Ges M B H | Corner connection for pipes, rails and other profiles |
ES157343Y (en) * | 1967-10-25 | 1971-05-16 | Societe Metallurgique De Saint-Louis | ANGLE ASSEMBLY ARRANGEMENT FOR METALLIC CARPENTRY. |
DE2112112A1 (en) * | 1971-03-13 | 1972-09-21 | Heinz Pasche | Device for corner connection of frames with frame elements designed as hollow profiles |
FR2327383A1 (en) * | 1975-10-09 | 1977-05-06 | Solvay | Reinforcing insert for frame corners - has wedge shape formed by two trapezoidal cross section parts |
GB2004936A (en) * | 1977-07-07 | 1979-04-11 | Consort Aluminium Ltd | Improvements in window frames |
DE3700201A1 (en) * | 1987-01-07 | 1988-07-28 | Langenhorst Guenter | Adjusting device for aligning door frames, window frames or the like in a building opening |
DE8910401U1 (en) * | 1989-08-31 | 1989-10-26 | Grotefeld, Hans Dieter, 4970 Bad Oeynhausen | Corner connectors for door or window frames |
CN2266030Y (en) * | 1996-09-06 | 1997-10-29 | 吕学正 | Self-locking tension corner joint device of frame |
DE19900957C2 (en) | 1999-01-13 | 2002-03-21 | Hans Dieter Grotefeld | Corner connector for hollow profile frames of windows and doors |
DE50006456D1 (en) * | 1999-05-18 | 2004-06-24 | Hans Dieter Grotefeld | Corner connector for hollow door or window profiles |
DE19948963B4 (en) * | 1999-10-11 | 2004-03-18 | Unilux Ag | Window or door frame with an angle part for connecting two profile strips |
CN2777151Y (en) * | 2005-02-18 | 2006-05-03 | 陈江默 | Adjustable rectangular window |
DE102006039868A1 (en) * | 2006-08-25 | 2008-03-13 | Tesa Ag | Frame, preferably a fly screen frame |
CN202202738U (en) * | 2011-08-16 | 2012-04-25 | 沈阳正典铝建筑系统有限公司 | Leaf corner-extrusion padding block for door and window system |
-
2012
- 2012-06-25 EP EP12173349.7A patent/EP2679759B1/en not_active Not-in-force
-
2013
- 2013-06-13 CN CN201310233423.3A patent/CN103510808B/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
CN103510808A (en) | 2014-01-15 |
CN103510808B (en) | 2016-09-14 |
EP2679759A1 (en) | 2014-01-01 |
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