EP2924229B1 - Shading device with guide rails and reinforcement profile - Google Patents

Shading device with guide rails and reinforcement profile Download PDF

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Publication number
EP2924229B1
EP2924229B1 EP15000722.7A EP15000722A EP2924229B1 EP 2924229 B1 EP2924229 B1 EP 2924229B1 EP 15000722 A EP15000722 A EP 15000722A EP 2924229 B1 EP2924229 B1 EP 2924229B1
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EP
European Patent Office
Prior art keywords
guide rails
profile
shading system
reinforcement profile
curtain
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EP15000722.7A
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German (de)
French (fr)
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EP2924229A1 (en
Inventor
Herbert Fischer
Richard Scheiner
Andreas Schmitt
Stefan Wehner
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Warema Renkhoff SE
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Warema Renkhoff SE
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0607—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with guiding-sections for supporting the movable end of the blind

Definitions

  • the present invention relates to a shading system with a curtain, which is guided over its extension length in two lateral guide rails, wherein between the guide rails, a winding device and at least one reinforcing profile are provided.
  • the curtain is guided in the guide rails via guide elements provided laterally at its edges, which can be glued or sewn to the curtain, for example.
  • guide elements provided laterally at its edges, which can be glued or sewn to the curtain, for example.
  • Such systems are for example from the DE 10 2008 008 941 A1 known.
  • the DE 20 2006 012 516 U1 shows a sun protection device with a curtain with rods whose ends have a variable distance, as well as stationary support members having Stabendeningn.
  • the object of the present invention is to improve a shading system of the type mentioned in that a more constant fabric tension in the transverse direction regardless, for example, of the influence of the cloth holder or mounting inaccuracies is given.
  • the object is achieved in that in a shading system of the type mentioned, the reinforcing profile is formed variable in length.
  • variable length reinforcement profile it is possible to adjust the guide rail distance, so that an optimal adjustment is made to not too large forces on the one hand, the process of the curtain and on the other hand to adjust the fabric tension between the guide rails sufficiently large, so sagging of the area also can be avoided in possibly existing critical arc areas of the guide rail.
  • the reinforcing profile is formed from at least two parts inserted into each other with a variable depth of immersion.
  • the parts can be telescopically inserted into one another, or be guided on guide pins or the like.
  • the compression of the spring elements in conjunction with the available travel of, for example, 30 to 60 mm ensures that the Tuchbehang can be clamped in the extended position between the guide rails under the load of the elastic return elements of the reinforcing profile.
  • this return spring when extending the curtain, which is provided, for example, at its extension end with a drop profile, a certain elastic deflection of the guide rails in one direction to each other, without that in the context of elastic displacement of the return elements would result in a particularly large increase in the frictional forces between the guide rails and the elements of the curtain guided therein. This makes it possible to compensate for the expected extension of the Tuchbehanges due to aging over the spring travel, without significantly increase the forces during the process of the curtain.
  • a transverse profile is clamped floating between two compression springs.
  • the transverse profile may for example be guided axially movable on guide pins, which may be connected to the brackets.
  • guide pins which may be connected to the brackets.
  • An immediate guidance of the cross profile in the consoles is also possible.
  • an electric actuator is provided, by means of which the length of the reinforcing profile is adjustable.
  • Such a solution which does not necessarily have to be combined with elasticities in the sense of the previously described embodiment, offers the advantage that the overall length of the reinforcing profile does not adapt passively under the spring stroke, but can be actively adjusted. In this way it is possible to set the distance between the two guide rails during the process of the curtain in such a way that the frictional forces between the guide rails and the guided elements of the curtain are minimized. If the curtain is extended, it is then possible to slightly increase the effective length of the reinforcing profile by means of the electric drive, so that the transverse tension of the cloth is built up.
  • the active solution with a length adjustability of the reinforcing profile by means of an electric drive or a combination solution of both variants is chosen, with the length variability of the reinforcing profile also aware of a defined mobility of the two guide rails in one Direction to each other or away from each other allows to adjust for optimum balance of power on the one hand during extension and on the other hand for clamping the extended curtain.
  • a reinforcement profile can be arranged in the center of the extension length, for example in the region of an arc of the guide rails, but it is also possible to arrange a plurality of reinforcement profiles with the properties described above at specific distances from each other.
  • a sunshade system 10 in which a curtain 12 is guided with laterally mounted guide elements, such as windable metal strip, in lateral guide rails 14, over its entire extension length.
  • lateral guide rails 14 At the free end of the curtain an extension profile 16 is provided, which is also guided in the lateral guide rails 14.
  • the guide rails 14 are supported in the illustrated embodiment by two vertical supports 18 on the ground.
  • a winding device (not shown) is arranged in a housing 20, which in its design corresponds to the prior art.
  • a reinforcing profile 22 is provided, which is a desired distance of the two guide rails 14 from each other ensures, so that the curtain 12 is exposed, taking into account its width of an optimal transverse stress, on the one hand allow its smooth surface clamping, but on the other hand, the forces for moving the curtain and adjusting its extension length can not be too high.
  • Fig. 2 is a section of a reinforcing profile 122 in the region of FIG Fig. 1 shown left arranged guide rail.
  • a first bracket 30 is arranged in the transverse direction rigidly on the guide rail 14.
  • the same console is arranged in mirror image in the area of the other guide rail. Both consoles have a locked by a clamping pin 32 guide pin 34 on which a transverse profile 36 is slidably disposed.
  • a compression spring 38 is clamped, which is designed as an elastic return element, so that ultimately the reinforcing profile 22 with the floating clamped cross-section 36 between the two guide rails 14 builds a compressive force, the endeavor is to push the two guide rails 14 apart.
  • a stop 40 on the inside end of the guide pin 34 limits the stroke of the axially mutually movable elements of the guide profile, namely the cross profile 36 to the two consoles 30th
  • FIG. 3 Another solution for a reinforcing profile 22 is shown, which in turn has two brackets 130, which are fixedly mounted on the guide rails 14 in the transverse direction.
  • a transverse profile 136 is axially fixed in this embodiment with the console 130 on the right side of the reinforcing profile 22 in the sense of the representation of Fig. 3 established.
  • a rotationally rigid drive 138 is provided which cooperates, for example, with a threaded spindle 139 which engages in an internal thread 141.
  • the threaded spindle is connected via a hinge 143 with the cross tube 136 axially fixed.
  • the length-variable reinforcing profiles 22 described are particularly suitable for systems in which the guide rails are arcuately designed at a constant distance to allow curved shapes of the clamped cloth, for example, a tonnendachförmige execution.
  • reinforcing profile 22 it is recommended that reinforcing profile 22 to be arranged in the region of the bulge, with multiple reinforcing profiles over the extension length of the curtain 12 can be arranged.
  • the reinforcing profiles 22 may be fixedly mounted on the guide rails with respect to the extension direction, but embodiments are also possible in which the front profile 16 entrains the reinforcing profiles 22 when the curtain 12 retracts to the housing 20. When extending the at least one reinforcing profile 22 is accordingly taken back to the desired position.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)

Description

Die vorliegende Erfindung befasst sich mit einer Verschattungsanlage mit einem Behang, der über seine Ausfahrlänge in zwei seitlichen Führungsschienen geführt ist, wobei zwischen den Führungsschienen eine Wickelvorrichtung und wenigstens ein Verstärkungsprofil vorgesehen sind.The present invention relates to a shading system with a curtain, which is guided over its extension length in two lateral guide rails, wherein between the guide rails, a winding device and at least one reinforcing profile are provided.

Im Unterschied zu Markisen, ist bei derartigen Verschattungsanlagen der Behang über seitlich an seinen Rändern vorgesehene Führungselemente, die beispielsweise mit dem Behang verklebt oder vernäht sein können, in den Führungsschienen geführt. Dadurch ist es möglich, durch eine geschickte konstruktive Anordnung und beispielsweise das Ausnutzen einer vorhandenen Elastizität in dem Behangmaterial eine Tuchspannung quer zur Ausfahrrichtung aufzubauen, so dass der Behang über seine gesamte Ausfahrlänge zwischen den Führungsschienen gespannt ist. Dadurch lässt sich auch die Stabilität bei Windeinwirkung verbessern und es ist möglich, die Führungsschienen bogenförmig auszubilden, so dass bei ausgefahrenem Behang kurven- oder auch tonnenförmige Dachformen aufgespannt werden.In contrast to awnings, in such shading systems, the curtain is guided in the guide rails via guide elements provided laterally at its edges, which can be glued or sewn to the curtain, for example. This makes it possible, by a clever design arrangement and, for example, the exploitation of an existing elasticity in the Behangmaterial build a fabric tension transverse to the extension direction, so that the curtain is stretched over its entire extension length between the guide rails. As a result, it is also possible to improve the stability in the event of wind, and it is possible to form the guide rails in an arc shape so that curving or barrel-shaped roof shapes are clamped when the curtain is extended.

Derartige Anlagen sind beispielsweise aus der DE 10 2008 008 941 A1 bekannt.Such systems are for example from the DE 10 2008 008 941 A1 known.

Aus der DE 33 02 835 C2 und der DE 93 11 755 U1 sind Sonnenschutzanlagen bekannt, deren Behänge nicht über die gesamte Länge sondern nur mittels eines Ausfallprofils in Führungsschienen geführt sind. Die Führungsschienen sind mit Verstärkungsprofilen versteift, die nicht längenvariabel sind.From the DE 33 02 835 C2 and the DE 93 11 755 U1 Sun protection systems are known whose hangings are not guided over the entire length but only by means of a drop profile in guide rails. The guide rails are stiffened with reinforcing profiles that are not variable in length.

Aus der DE 42 03 149 C1 ist ein Rollvorhang mit einer längenvariablen Wickelwelle. Die DE 20 2006 012 516 U1 zeigt eine Sonnenschutzeinrichtung mit einem Behang mit Stäben, deren Enden einen variablen Abstand haben, sowie ortsfesten Tragelementen, die Stabendenaufnahmen aufweisen.From the DE 42 03 149 C1 is a roller blind with a variable-length winding shaft. The DE 20 2006 012 516 U1 shows a sun protection device with a curtain with rods whose ends have a variable distance, as well as stationary support members having Stabendenaufnahmen.

Weiterhin sind aus der DE 82 04 171 U1 und der DE 119 591 5B Verschattungseinrichtungen mit teleskopierbaren Endschienen bekannt. Diese Schriften befassen sich nicht mit der Problematik der Spannung eines über seine gesamte Länge geführten Behangs, in welchem eine Querspannung aufgebaut werden soll.Furthermore, from the DE 82 04 171 U1 and the DE 119 591 5B Shading devices with telescopic end rails known. These writings are not concerned with the problem of the tension of a guided over its entire length curtain in which a transverse stress is to be built.

In der Praxis können sich Probleme dadurch ergeben, dass durch die Alterung des Behangs und die daraus z. B. resultierende Tuchdehnung bei gleichbleibender Anlagenbreite die Tuchspannung nach einiger Zeit abnimmt. Insbesondere bei Anlagen mit gebogenen Führungsschienen können sich im Bogenbereich dann deutliche Einfallstellen mit optischen Einbußen ergeben.In practice, problems may arise as a result of the aging of the curtain and the resulting z. B. resulting fabric elongation at a constant system width, the fabric tension decreases after some time. In particular, in systems with curved guide rails then clear sink marks can result with optical losses in the bow area.

Das Problem lässt sich auch nicht dadurch lösen, dass man den Führungsschienenabstand geringfügig größer wählt, um der zu erwartenden Tuchdehnung vorzubeugen, da dann im Neuzustand bei noch nicht gedehntem Tuch die Querkräfte derart hoch werden können, dass die Reibung der Behangführung zunimmt, so dass es zu einem ungewollten Abschalten des Antriebes oder unter Umständen sogar zur Zerstörung der Antriebselemente kommen kann.The problem can not be solved by choosing the guide rail distance slightly larger in order to prevent the expected fabric stretch, since then in new condition with not yet stretched cloth, the lateral forces can be so high that the friction of the blind increases so that it may lead to an unwanted shutdown of the drive or possibly even the destruction of the drive elements.

Die Aufgabe der vorliegenden Erfindung besteht darin, eine Verschattungsanlage der eingangs genannten Art dahingehend zu verbessern, dass eine konstantere Tuchspannung in Querrichtung unabhängig beispielsweise vom Einfluss der Tuchhalterung oder Montageungenauigkeiten gegeben ist.The object of the present invention is to improve a shading system of the type mentioned in that a more constant fabric tension in the transverse direction regardless, for example, of the influence of the cloth holder or mounting inaccuracies is given.

Erfindungsgemäß wird die Aufgabe dadurch gelöst, dass bei einer Verschattungsanlage der eingangs genannten Art das Verstärkungsprofil längenvariabel ausgebildet ist.According to the invention the object is achieved in that in a shading system of the type mentioned, the reinforcing profile is formed variable in length.

Durch das längenvariable Verstärkungsprofil ist es möglich, den Führungsschienenabstand anzupassen, so dass eine optimale Einstellung vorgenommen wird, um einerseits die Kräfte beim Verfahren des Behanges nicht zu groß und andererseits die Tuchspannung zwischen den Führungsschienen ausreichend groß einstellen zu können, damit ein Durchhängen des Bereiches auch in unter Umständen vorhandenen kritischen Bogenbereichen der Führungsschiene vermieden werden kann.Due to the variable length reinforcement profile, it is possible to adjust the guide rail distance, so that an optimal adjustment is made to not too large forces on the one hand, the process of the curtain and on the other hand to adjust the fabric tension between the guide rails sufficiently large, so sagging of the area also can be avoided in possibly existing critical arc areas of the guide rail.

Vorzugsweise ist vorgesehen, dass das Verstärkungsprofil aus wenigstens zwei mit variabler Eintauchtiefe ineinandergesteckten Teilen ausgebildet ist. Die Teile können teleskopartig ineinander gesteckt sein, oder auch auf Führungsstiften oder dergleichen geführt sein.It is preferably provided that the reinforcing profile is formed from at least two parts inserted into each other with a variable depth of immersion. The parts can be telescopically inserted into one another, or be guided on guide pins or the like.

In einer ersten bevorzugten Ausführungsform der Erfindung ist vorgesehen, dass zwischen den axial zueinander beweglichen Teilen des Verstärkungsprofils elastische Rückstellelemente, z. B. Druckfedern, vorgesehen sind, die eine Druckkraft aufbauen, welche die Tuchspannung zwischen den Führungsschienen verstärkt.In a first preferred embodiment of the invention it is provided that between the axially mutually movable parts of the reinforcing profile elastic return elements, for. B. compression springs, are provided which build up a compressive force which strengthens the fabric tension between the guide rails.

Die Druckspannung der Federelemente sorgt in Verbindung mit dem zur Verfügung stehenden Federweg von beispielsweise 30 bis 60 mm dafür, dass der Tuchbehang in der ausgefahrenen Stellung zwischen den Führungsschienen unter der Last der elastischen Rückstellelemente des Verstärkungsprofils aufgespannt werden kann. Andererseits erlaubt die Elastizität dieser Rückstellfeder beim Ausfahren des Behangs, der beispielsweise an seinem Ausfahrende mit einem Fallprofil versehen ist, ein gewisses elastisches Ausweichen der Führungsschienen in einer Richtung zueinander, ohne dass sich im Rahmen des elastischen Stellweges der Rückstelleelemente eine besonders große Erhöhung der Reibkräfte zwischen den Führungsschienen und den darin geführten Elementen des Behanges ergeben würde. Damit ist es möglich, über den Federweg die zu erwartende Dehnung des Tuchbehanges in Folge von Alterung zu kompensieren, ohne die Kräfte beim Verfahren des Behanges wesentlich ansteigen zu lassen.The compression of the spring elements, in conjunction with the available travel of, for example, 30 to 60 mm ensures that the Tuchbehang can be clamped in the extended position between the guide rails under the load of the elastic return elements of the reinforcing profile. On the other hand, allows the elasticity of this return spring when extending the curtain, which is provided, for example, at its extension end with a drop profile, a certain elastic deflection of the guide rails in one direction to each other, without that in the context of elastic displacement of the return elements would result in a particularly large increase in the frictional forces between the guide rails and the elements of the curtain guided therein. This makes it possible to compensate for the expected extension of the Tuchbehanges due to aging over the spring travel, without significantly increase the forces during the process of the curtain.

In einer möglichen Ausführungsform der Erfindung ist vorgesehen, dass zwischen zwei seitlichen Konsolen, die an den Führungsschienen senkrecht zur Ausfahrrichtung angebracht sind, ein Querprofil schwimmend zwischen zwei Druckfedern eingespannt ist. Durch das Vorsehen von zwei Druckfedern auf beiden Seiten jeweils zwischen dem Querprofil und den beiden Konsolen lässt sich ein größerer Gesamtfederweg realisieren, wobei ein symmetrischer optischer Eindruck gewahrt bleibt.In one possible embodiment of the invention, it is provided that between two lateral brackets, which are attached to the guide rails perpendicular to the extension direction, a transverse profile is clamped floating between two compression springs. By providing two compression springs on both sides in each case between the transverse profile and the two consoles, it is possible to realize a greater total spring travel, whereby a symmetrical visual impression is maintained.

Das Querprofil kann beispielsweise auf Führungsstiften axial beweglich geführt sein, die mit den Konsolen verbunden sein können. Eine unmittelbare Führung des Querprofils in den Konsolen ist ebenfalls möglich.The transverse profile may for example be guided axially movable on guide pins, which may be connected to the brackets. An immediate guidance of the cross profile in the consoles is also possible.

In einer zweiten bevorzugten Ausführungsform, die auch mit den elastischen Rückstellelementen kombiniert werden kann, ist ein elektrischer Stellantrieb vorgesehen, mit Hilfe dessen die Länge des Verstärkungsprofils einstellbar ist. Eine derartige Lösung, die nicht notwendigerweise mit Elastizitäten im Sinne der zuvor beschriebenen Ausführungsform kombiniert werden muss, bietet den Vorteil, dass die Gesamtlänge des Verstärkungsprofils sich nicht passiv unter dem Federhub anpasst, sondern aktiv eingestellt werden kann. Auf diese Weise ist es möglich, den Abstand zwischen den beiden Führungsschienen beim Verfahren des Behanges derart einzustellen, dass die Reibungskräfte zwischen den Führungsschienen und den geführten Elementen des Behanges minimiert werden. Wenn der Behang ausgefahren ist, ist es dann möglich, die wirksame Länge des Verstärkungsprofiles mittels des elektrischen Antriebes geringfügig zu erhöhen, so dass die Querspannung des Tuches aufgebaut wird. Mit dieser Verstellbewegung ist es auch möglich, bei einer in Folge von Alterung des Behanges eingetretenen Tuchdehnung die Länge des Verstärkungsprofils entsprechend stärker zu erhöhen, um wiederum die gleiche Tuchspannung aufbauen zu können.In a second preferred embodiment, which can also be combined with the elastic return elements, an electric actuator is provided, by means of which the length of the reinforcing profile is adjustable. Such a solution, which does not necessarily have to be combined with elasticities in the sense of the previously described embodiment, offers the advantage that the overall length of the reinforcing profile does not adapt passively under the spring stroke, but can be actively adjusted. In this way it is possible to set the distance between the two guide rails during the process of the curtain in such a way that the frictional forces between the guide rails and the guided elements of the curtain are minimized. If the curtain is extended, it is then possible to slightly increase the effective length of the reinforcing profile by means of the electric drive, so that the transverse tension of the cloth is built up. With this adjustment movement, it is also possible to increase the length of the reinforcing profile correspondingly more strongly in the event of a fabric elongation occurring as a result of aging of the curtain, in order in turn to be able to build up the same fabric tension.

Unabhängig davon, ob die zuvor beschriebene passive Lösung mit elastischen Rückstellelementen, die aktive Lösung mit einer Längenverstellbarkeit des Verstärkungsprofils mittels eines elektrischen Antriebes oder eine Kombinationslösung aus beiden Varianten gewählt wird, wird mit der Längenvariabilität des Verstärkungsprofils auch bewusst eine definierte Beweglichkeit der beiden Führungsschienen in einer Richtung zueinander oder voneinander weg ermöglicht, um für optimale Kräfteverhältnisse einerseits beim Ausfahren und andererseits zum Aufspannen des ausgefahrenen Behanges einzustellen.Regardless of whether the above-described passive solution with elastic return elements, the active solution with a length adjustability of the reinforcing profile by means of an electric drive or a combination solution of both variants is chosen, with the length variability of the reinforcing profile also aware of a defined mobility of the two guide rails in one Direction to each other or away from each other allows to adjust for optimum balance of power on the one hand during extension and on the other hand for clamping the extended curtain.

Je nach Beschaffenheit der Verschattungsanlage kann ein Verstärkungsprofil mittig der Ausfahrlänge, beispielsweise im Bereich eines Bogens der Führungsschienen angeordnet sein, es können aber auch mehrere Verstärkungsprofile mit den zuvor beschriebenen Eigenschaften in bestimmten Abständen zueinander angeordnet sein. Neben einer feststehenden Anordnung der Verstärkungsprofile an bestimmten Ausfahrstellen der Führungsschienen ist es auch möglich, diese in der Ausfahrrichtung des Behanges beweglich anzuordnen, so dass sie beispielsweise beim Ausfahren des Behanges bis zu einem vorbestimmten Anschlag mitgenommen werden, während sie beim Einholen des Behanges aus dem Sichtfeld zwischen den Führungsschienen bewegt werden.Depending on the nature of the shading system, a reinforcement profile can be arranged in the center of the extension length, for example in the region of an arc of the guide rails, but it is also possible to arrange a plurality of reinforcement profiles with the properties described above at specific distances from each other. In addition to a fixed arrangement of the reinforcing profiles at certain extension points of the guide rails, it is also possible to arrange them movably in the extension direction of the curtain, so that they are taken, for example, when extending the curtain to a predetermined stop while they are catching be moved out of the field of view between the guide rails between the guide rails.

Nachfolgend wird anhand der beigefügten Zeichnungen näher auf zwei Ausführungsbeispiele der Erfindung eingegangen. Es zeigen:

Fig. 1
ein Beispiel einer Verschattungsanlage in Schrägansicht;
Fig. 2
eine geschnittene Detailansicht des Verstärkungsprofils gemäß einer ersten Ausführungsform der Erfindung;
Fig. 3
eine geschnittene Darstellung des Verstärkungsprofils bei einer weiteren Ausführungsform der Erfindung;
Fig. 4
einen vergrößerten Ausschnitt aus Fig. 3.
In the following, reference will be made in detail to two exemplary embodiments of the invention with reference to the attached drawings. Show it:
Fig. 1
an example of a shading system in an oblique view;
Fig. 2
a sectional detail view of the reinforcing profile according to a first embodiment of the invention;
Fig. 3
a sectional view of the reinforcing profile in a further embodiment of the invention;
Fig. 4
an enlarged section Fig. 3 ,

In Fig. 1 ist eine Sonnenschutzanlage 10 gezeigt, bei welcher ein Behang 12 mit seitlich befestigten Führungselementen, beispielsweise aufwickelbaren Metallstreifen, in seitlichen Führungsschienen 14, über seine gesamte Ausfahrlänge geführt ist. An dem freien Ende des Behangs ist ein Ausfahrprofil 16 vorgesehen, das ebenfalls in den seitlichen Führungsschienen 14 geführt ist. Die Führungsschienen 14 sind im gezeigten Ausführungsbeispiel durch zwei Vertikalstützen 18 am Boden abgestützt.In Fig. 1 a sunshade system 10 is shown, in which a curtain 12 is guided with laterally mounted guide elements, such as windable metal strip, in lateral guide rails 14, over its entire extension length. At the free end of the curtain an extension profile 16 is provided, which is also guided in the lateral guide rails 14. The guide rails 14 are supported in the illustrated embodiment by two vertical supports 18 on the ground.

Zum Einholen des Behangs ist in einem Gehäuse 20 eine Wickelvorrichtung (nicht gezeigt) angeordnet, die in ihrer Ausführung dem Stand der Technik entspricht.To recover the curtain, a winding device (not shown) is arranged in a housing 20, which in its design corresponds to the prior art.

Um ein Durchhängen des Behanges 12 im ausgefahrenen Zustand zu vermeiden ist ein Verstärkungsprofil 22 vorgesehen, das einen gewünschten Abstand der beiden Führungsschienen 14 voneinander sicherstellt, so dass der Behang 12 unter Berücksichtigung seiner Breite einer optimalen Querspannung ausgesetzt ist, die einerseits sein glattflächiges Aufspannen ermöglichen, andererseits aber auch die Kräfte zum Verfahren des Behanges und Verstellen seiner Ausfahrlänge nicht zu hoch werden lässt.In order to avoid sagging of the curtain 12 in the extended state, a reinforcing profile 22 is provided, which is a desired distance of the two guide rails 14 from each other ensures, so that the curtain 12 is exposed, taking into account its width of an optimal transverse stress, on the one hand allow its smooth surface clamping, but on the other hand, the forces for moving the curtain and adjusting its extension length can not be too high.

Für die Längenvariabilität des Verstärkungsprofils 22 werden nachfolgend zwei Varianten vorgestellt, deren Eigenschaften ggf. konstruktiv auch kombiniert werden können.For the length variability of the reinforcing profile 22, two variants are presented below, the properties of which may possibly also be combined constructively.

In Fig. 2 ist ein Schnitt eines Verstärkungsprofils 122 im Bereich der in Bezug auf Fig. 1 links angeordneten Führungsschiene dargestellt. Bei diesem Verstärkungsprofil 22 ist eine erste Konsole 30 in Querrichtung starr auf der Führungsschiene 14 angeordnet. Die gleiche Konsole ist spiegelbildlich im Bereich der anderen Führungsschiene angeordnet. Beide Konsolen besitzen einen durch einen Klemmstift 32 arretierten Führungsstift 34, auf welchem ein Querprofil 36 verschieblich angeordnet ist. Zwischen der Konsole 30 und dem Querprofil 36 ist, wie auf der anderen Anlagenseite auch, eine Druckfeder 38 eingespannt, die als elastisches Rückstellelement ausgebildet ist, so dass letztlich das Verstärkungsprofil 22 mit dem schwimmend eingespannten Querprofil 36 zwischen den beiden Führungsschienen 14 eine Druckkraft aufbaut, die bestrebt ist, die beiden Führungsschienen 14 auseinander zu drücken. Ein Anschlag 40 am innenseitigen Ende des Führungsstiftes 34 begrenzt den Hub der axial zueinander beweglichen Elemente des Führungsprofils, nämlich des Querprofils 36 zu den beiden Konsolen 30.In Fig. 2 is a section of a reinforcing profile 122 in the region of FIG Fig. 1 shown left arranged guide rail. In this reinforcing profile 22, a first bracket 30 is arranged in the transverse direction rigidly on the guide rail 14. The same console is arranged in mirror image in the area of the other guide rail. Both consoles have a locked by a clamping pin 32 guide pin 34 on which a transverse profile 36 is slidably disposed. Between the bracket 30 and the transverse profile 36, as on the other side of the plant, a compression spring 38 is clamped, which is designed as an elastic return element, so that ultimately the reinforcing profile 22 with the floating clamped cross-section 36 between the two guide rails 14 builds a compressive force, the endeavor is to push the two guide rails 14 apart. A stop 40 on the inside end of the guide pin 34 limits the stroke of the axially mutually movable elements of the guide profile, namely the cross profile 36 to the two consoles 30th

Im Betrieb der Anlage, beispielweise in dem in Fig. 1 gezeigten Ausfahrzustand, verspannt das Verstärkungsprofil 22 unter der Wirkung der Druckfedern 38 den Behang 12 zwischen den beiden Führungsschienen 14. In diesem Zustand befindet sich das Querprofil 36 im Abstand zu den Anschlägen 40 der beiden Konsolen 30. Dies bedeutet, dass zusätzlicher Federweg zur Verfügung steht, der beispielsweise dann genutzt werden kann, wenn der Tuchbehang 12 aufgrund von Alterungsprozessen eine Dehnung erfährt. Das in Fig. 2 gezeigte Verstärkungsprofil 22 kann dann die Führungsschienen 14 um einen entsprechend höheren Weg auseinander drücken, um den Behang 12 dennoch ohne Faltenbildung oder ein Durchhängen zwischen den Führungsschienen 14 aufzuspannen.During operation of the plant, for example in the in Fig. 1 shown extended state braced the reinforcing profile 22 below In this state, the cross-section 36 is at a distance from the stops 40 of the two consoles 30. This means that additional spring travel is available, which can be used, for example, then the action of the compression springs 38, the curtain 12 between the two guide rails. when the Tuchbehang 12 undergoes an expansion due to aging processes. This in Fig. 2 shown reinforcing profile 22 can then press the guide rails 14 apart by a correspondingly higher way to still suspend the curtain 12 without wrinkling or sagging between the guide rails 14.

Bedingt durch die Elastizitäten des Verstärkungsprofils 22 werden auch die Reibkräfte zwischen dem Behang 12 und dem Ausfallprofil 16 im Bereich der Führung in den Führungsschienen 14 nicht wesentlich erhöht, so dass die zum Verstellen des Behangs 12 notwendigen Kräfte gering bleiben und eine Abschaltung des Behanges durch Fehlauslösung vermieden werden kann.Due to the elasticity of the reinforcing profile 22 and the friction between the curtain 12 and the front rail 16 in the guide rails 14 are not substantially increased, so that the forces necessary for adjusting the curtain 12 forces remain low and shutdown of the curtain by false triggering can be avoided.

In Fig. 3 ist eine weitere Lösung für ein Verstärkungsprofil 22 gezeigt, das wiederum zwei Konsolen 130 aufweist, die in Querrichtung feststehend an den Führungsschienen 14 angebracht sind. Ein Querprofil 136 ist bei diesem Ausführungsbeispiel axial feststehend mit der Konsole 130 auf der rechten Seite des Verstärkungsprofils 22 im Sinne der Darstellung von Fig. 3 festgelegt. In dem Querrohr 136 ist ein drehstarrer Antrieb 138 vorgesehen, der beispielsweise mit einer Gewindespindel 139 zusammenwirkt, die in ein Innengewinde 141 eingreift. Die Gewindespindel ist über ein Gelenk 143 mit dem Querrohr 136 axial fest verbunden. Dadurch ist es möglich, durch Betätigen des elektrischen Antriebes 138 die Gesamtlänge des Verstärkungsprofiles 22 zwischen den beiden Führungsschienen 14 zu variieren. Auf diese Weise ist es möglich, beispielsweise während eines Ausfahrvorganges den Führungsschienenabstand auf ein vergleichsweise kleines Maß einzustellen, so dass die Reibungskräfte zwischen dem Behang 12 und dem Ausfallprofil 16 einerseits und den Führungsschienen 14 andererseits durch die geringe Tuchspannung sehr gering gehalten werden und entsprechend die Antriebskräfte minimiert sind. Nach dem Ausfahren des Behanges ist es dann möglich, durch Betätigen des elektrischen Antriebes die effektive Länge des Verstärkungsprofiles 22 zu erhöhen, so dass sich der Abstand zwischen den Führungsschienen 14 vergrößert und entsprechend der Behang 12 zwischen den beiden Führungsschienen 14 aufgespannt wird.In Fig. 3 Another solution for a reinforcing profile 22 is shown, which in turn has two brackets 130, which are fixedly mounted on the guide rails 14 in the transverse direction. A transverse profile 136 is axially fixed in this embodiment with the console 130 on the right side of the reinforcing profile 22 in the sense of the representation of Fig. 3 established. In the cross tube 136, a rotationally rigid drive 138 is provided which cooperates, for example, with a threaded spindle 139 which engages in an internal thread 141. The threaded spindle is connected via a hinge 143 with the cross tube 136 axially fixed. This makes it possible, by actuating the electric drive 138, the total length of the reinforcing profile 22 between the two guide rails 14 to vary. In this way, it is possible, for example, set the guide rail spacing to a comparatively small extent during an extension process, so that the frictional forces between the curtain 12 and the drop rail 16 on the one hand and the guide rails 14 on the other hand are kept very low by the low fabric tension and accordingly the driving forces are minimized. After the extension of the curtain, it is then possible to increase by pressing the electric drive, the effective length of the reinforcing profile 22, so that the distance between the guide rails 14 is increased and clamped according to the curtain 12 between the two guide rails 14.

Die beschriebenen längenvariablen Verstärkungsprofile 22 eigenen sich insbesondere auch für Anlagen, bei welchen die Führungsschienen bei gleich bleibendem Abstand bogenförmig ausgeführt sind, um gekrümmte Formen des aufgespannten Tuches zu ermöglichen, beispielsweise auch eine tonnendachförmige Ausführung. Bei diesen Ausführungen empfiehlt es sich, dass Verstärkungsprofil 22 im Bereich der Auswölbung anzuordnen, wobei auch mehrere Verstärkungsprofile über die Ausfahrlänge des Behangs 12 angeordnet werden können.The length-variable reinforcing profiles 22 described are particularly suitable for systems in which the guide rails are arcuately designed at a constant distance to allow curved shapes of the clamped cloth, for example, a tonnendachförmige execution. In these embodiments, it is recommended that reinforcing profile 22 to be arranged in the region of the bulge, with multiple reinforcing profiles over the extension length of the curtain 12 can be arranged.

Die Verstärkungsprofile 22 können bezüglich der Ausfahrrichtung feststehend an den Führungsschienen montiert sein, es sind aber auch Ausführungsformen möglich, bei welchen das Ausfallprofil 16 die Verstärkungsprofile 22 beim Einfahren des Behangs 12 bis zum Gehäuse 20 zurück mitnimmt. Beim Ausfahren wird das wenigstens eine Verstärkungsprofil 22 entsprechend wieder bis zu der gewünschten Stellung mitgenommen.The reinforcing profiles 22 may be fixedly mounted on the guide rails with respect to the extension direction, but embodiments are also possible in which the front profile 16 entrains the reinforcing profiles 22 when the curtain 12 retracts to the housing 20. When extending the at least one reinforcing profile 22 is accordingly taken back to the desired position.

Claims (10)

  1. A shading system with a screen (12), which is guided over its extension length in two lateral guide rails (14), whereby a winding device and at least one reinforcement profile (22) is provided between the guide rails (14), characterized in that the at least one reinforcement profile (22) is configured to be longitudinally adjustable.
  2. The shading system according to claim 1, characterized in that the at least one reinforcement profile (22) is formed from at least two parts which are longitudinally adjustable towards each other.
  3. The shading system according to claim 2, characterized in that both parts are inserted into one another with variable insertion depth.
  4. The shading system according to claim 2 or 3, characterized in that elastic biasing elements (38) are provided between the parts of the reinforcement profile (22) axially moveable towards one another, the elastic biasing elements (38) generating a pressing force on the guide rails (14).
  5. The shading system according to claim 4, characterized in that between two lateral brackets (30) of the reinforcement profile (22) fixed on the guide rails (14) perpendicular to the extension direction, a transverse profile (36) is fixed between two elastic biasing elements (28) in the form of pressing springs.
  6. The shading system according to claim 5, characterized in that the transverse profile (36) is guided axially moveable on guiding pins (24), which are fixed on the brackets (30).
  7. The shading system according to one of the previous claims, characterized in that an electric actuator (138) is provided, with the aid of which the length of the reinforcement profile (22) is adjustable.
  8. The shading system according to one of the previous claims, characterized in that the at least one reinforcement profile (22) is moveably guided in the extension direction on the guide rails (14)
  9. The shading system according to claim 8, characterized in that the at least one reinforcement profile (22) can be taken from a retracted position up to an end stop by the extension movement of the screen (12).
  10. The shading system according to one of the previous claims, characterized in that the guide rails are curved and that a reinforcement profile (22) is arranged centrally in the region of the curve.
EP15000722.7A 2014-03-26 2015-03-12 Shading device with guide rails and reinforcement profile Active EP2924229B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014004289.8A DE102014004289A1 (en) 2014-03-26 2014-03-26 Shading system with guide rails and reinforcement profile

Publications (2)

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EP2924229A1 EP2924229A1 (en) 2015-09-30
EP2924229B1 true EP2924229B1 (en) 2017-08-02

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Application Number Title Priority Date Filing Date
EP15000722.7A Active EP2924229B1 (en) 2014-03-26 2015-03-12 Shading device with guide rails and reinforcement profile

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DE (1) DE102014004289A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111945969B (en) * 2020-08-10 2021-07-30 佛山市南海三力阳蓬有限公司 Canopy awning cloth retracting device, canopy awning and control method of canopy awning
DE202021100945U1 (en) 2021-02-25 2021-03-29 Erhardt Markisenbau Gmbh awning

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DE1195915B (en) 1964-04-29 1965-07-01 Johannes Friedrich Erkelenz Automatic holding device for roll-up curtains on windows
DE8204171U1 (en) 1982-02-15 1992-03-05 Jüngling, Kurt, 7336 Uhingen Blinds for trapezoidal windows
DE3302835A1 (en) 1983-01-28 1984-08-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Automatic visual checking of threads by means of image sensors
CH660900A5 (en) * 1983-02-08 1987-05-29 Valla S N C Carrying framework for the canvas of a sun and rain blind
DE4203149C1 (en) * 1992-02-05 1993-02-18 Josef 8886 Wittislingen De Spegel Moving and tensioning mechanism for awnings and blinds - has brake discs at ends of fabric support roller, axially slidable in roller hub and rotating with it
DE9311755U1 (en) 1993-08-06 1993-10-07 Warema Renkhoff Gmbh, 97828 Marktheidenfeld Sun protection system with flat sloping guide rails in the upper area
DE202006012516U1 (en) * 2006-08-14 2007-12-20 Mhz Hachtel Gmbh & Co. Kg Sun protection device
DE102008008941B4 (en) 2008-02-13 2023-10-12 PS : DESIGN+PRODUCTS GmbH Sun protection system with a windable curtain
DE202010011307U1 (en) * 2009-08-31 2010-11-04 Schmitz-Werke Gmbh + Co Kg Free-standing roofing in the manner of a conservatory awning

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DE102014004289A1 (en) 2015-10-01
EP2924229A1 (en) 2015-09-30

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