EP2525040A1 - Winding device for a roller shutter of a cupboard - Google Patents

Winding device for a roller shutter of a cupboard Download PDF

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Publication number
EP2525040A1
EP2525040A1 EP12167264A EP12167264A EP2525040A1 EP 2525040 A1 EP2525040 A1 EP 2525040A1 EP 12167264 A EP12167264 A EP 12167264A EP 12167264 A EP12167264 A EP 12167264A EP 2525040 A1 EP2525040 A1 EP 2525040A1
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EP
European Patent Office
Prior art keywords
axis
winding device
torsion spring
shaft
roller shutter
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.)
Granted
Application number
EP12167264A
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German (de)
French (fr)
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EP2525040B1 (en
Inventor
Jens Koch
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.)
Knoke Beschlagtechnik GmbH
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Knoke Beschlagtechnik GmbH
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Publication of EP2525040A1 publication Critical patent/EP2525040A1/en
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Classifications

    • 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
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/115—Roller shutters specially adapted for furniture
    • 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
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
    • E06B9/0607—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position
    • E06B9/0646—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the relative arrangement of the closing elements in the stored position
    • E06B2009/0684—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the relative arrangement of the closing elements in the stored position stored in a spiral like arrangement

Definitions

  • the present invention relates to a take-up device for a roller shutter of a cupboard furniture, acted upon by at least one torsion spring deflection shaft and an axis passing through the deflection shaft, wherein the at least one torsion spring is fixed at one of its ends to the axis and connected at its other end to the deflection shaft and the axis for the purpose of adjusting the spring tension relative to the deflection shaft rotatable and fixable in any desired setting position.
  • Winding devices of the generic type are known per se.
  • At least one torsion spring By using at least one torsion spring can be achieved that the opening and closing of the roller shutter is made possible by extremely low forces from the outside, as achieved by the at least one torsion spring weight compensation for each pointing downwards in the vertical position range of a roller shutter in different opening positions is. If the roller shutter has moved completely down in its closed position, the at least one torsion spring is biased maximum. Correspondingly high are the supporting forces of the torsion spring when opening the roller shutter and are increasingly smaller with increasing opening position, since the torsion spring relaxes as much as possible during the opening process of the roller shutter.
  • a torsion spring for a corresponding winding device must have a certain bias. This bias is achieved in that, without movement of the roller shutter, the inherently stationary axis is mechanically rotated from the outside by a fitter, whereby an increase or decrease in the bias of the torsion spring is adjustable.
  • This bias can also have to be changed again after a certain default, either because a user wants a change in the supporting action of the torsion spring or be it because the friction conditions have changed throughout the system during a period of use.
  • the present invention has for its object to make a take-up of the generic type so that regardless of the filling state of a cabinet trouble-free adjustment of the bias of at least one torsion spring is possible.
  • This object is achieved in that at least one end face of the axis in the region of an opening of a side wall of a furniture carcass or an end wall of the take-up receiving cassette is and thus accessible from the outside of a furniture body or inserted into this cassette.
  • the invention is based in so far the fundamental idea to move the accessibility to the axis, for the purpose of presetting or readjustment of the spring tension of the at least one torsion spring on the interior of a furniture body out in the region of the outer sides of the side walls or a cassette, as the case may be whether the take-up is mounted directly on the side walls of a furniture body or on the end walls of a cassette, which are inserted in their entirety in the upper portion of a furniture body and fixed there and, if necessary, again easily at least partially removed from the furniture body.
  • the frontal region of the axis is freely accessible at least on one side of the cabinet body or the cassette, whereby it is certainly advantageous if the accessibility on both sides of the furniture body or the cassette is permitted.
  • the axle is provided in the externally accessible area with a polygon for receiving a tool for rotating the axle.
  • axis itself is designed accordingly and insofar consists of a tube with a non-round, preferably square cross-section.
  • the axis consists of a square tube, so that a corresponding counter-tool can be inserted into the inner square of the tube and the axis can be rotated.
  • the take-up device is mounted directly on the side walls of a furniture body and insofar at least one side wall is provided with an opening, there is an advantageous embodiment of the invention is that the opening of the side wall of the furniture body by means of a cap or the like can be closed.
  • This cassette 1 can be used and mounted in total in a body of a cabinet cabinet. All components of the take-up and their assembly can thus be done outside a cabinet body.
  • the take-up device has a deflection shaft 3, which is peripherally provided with a plurality of drivers 3a, wherein the drivers engage 3a respectively in correspondingly shaped recesses 4 of end caps 12 of the roller armor 2, within which the respective front ends the fins of the roller shutter 2 are stored.
  • a deflection shaft 3 which is peripherally provided with a plurality of drivers 3a, wherein the drivers engage 3a respectively in correspondingly shaped recesses 4 of end caps 12 of the roller armor 2, within which the respective front ends the fins of the roller shutter 2 are stored.
  • the roller shutter 2 can be received in corresponding guides 5 of the cassette 1, for example.
  • the deflection shaft 3 extends between the two end walls 6 of the cassette 1 and is ultimately rotatably mounted on these end walls 6.
  • the deflection shaft 3 will pass through an axis 7.
  • This axis 7 is formed in the illustrated embodiment as a square tube and carries in the storage area in each case a driver part 8, which has a central square receiving 8a and thus against rotation on the axis 7 is placed and the outside has the driver part a cylindrical shape and is rotatably supported in this area in a bearing bush 9 fixed to an end wall 6.
  • This bearing bush 9 has on the outside a centering collar 9b, whereby the deflection shaft 3 is centered.
  • the Fig. 3 shows the storage of the deflection shaft 3, which is mounted on a polygonal bearing element 13.
  • the bearing element 13 is arranged in the interior of the deflection shaft 32 and rotatably mounted on the bearing bush 9 (FIG. Fig. 2 ) stored.
  • the bushing 9 also receives the spring end 11 b of the torsion spring 11 and thus provides the connection between the torsion spring 11 and the guide roller 3, whereby the guide shaft 3 is rotatably mounted on the bearing bush 9.
  • the bearing bush 9 is provided in the storage area of the driver 8 with a plurality of angularly offset mutually arranged bulges 9a and the driver part 8 is provided in the region of its outer periphery at least one point with a semi-circular recess 8b, which has the same radius as the Lugs 9a of the bearing bush 9.
  • a blocking pin 10 which is inserted into one of the bulges 9a and 9a of such a recess opposite notch 8b, a rotation of the driver 8 relative to the bearing bush 9 can be blocked.
  • FIG. 5 On the axis 7 is what FIG. 5 makes clear, one end 11 a of a torsion spring 11 attached.
  • the attachment is made via a component which is identical to the driver part 8, which has already been described above.
  • the torsion spring 11 engages with its end 11a in an undercut recess 8d of the driver part 8 a. Since the driver part 8 fixed against rotation on the axis 7 and the axis 7, as described above, is mounted in the assembled state in a rotationally secure manner in the bearing bushes 9, the said end 11a of the torsion spring 11 is correspondingly secured against rotation on the axis 7.
  • the other end 11b of the torsion spring 11 is what FIG. 3 makes particularly clear, fixed in the interior of the deflection shaft 3. Accordingly, a corresponding torque can be applied to the deflection shaft 3 by a corresponding bias of the torsion spring 11. The greater the bias of the torsion spring 11, the greater the torque which acts on the deflection shaft 3.
  • the front end of the axis 7 is accessible through an opening in the side wall 6 from the outside, as the Figures 4a-4c clearly show. Conveniently, both front ends of the axis 7 are made accessible by the corresponding end walls 6 from the outside.
  • the respective end face mounted driver part 8 is initially released by removing the blocking pin 10. Now can be rotated by attaching a suitable tool, for example on the inner square of the axis 7 forming square tube this square tube to the left or to the right, causing the torsion spring 11 is due to their fixed connection to the axis 7 biased or relaxed correspondingly stronger. After a done default, the driver part 8 is fixed by inserting the blocking pin 10 again, so that now the selected default with respect to the spring tension is constantly effective. It is understood that by rotation of the deflection shaft 3, the respective current load of the torsion spring 11 is lower or higher, depending on the direction in which the deflection shaft 3 rotates.
  • the driver part 8 can be fixed against rotation, for example, by a latching connection relative to the bearing bush 9, which makes possible an adjustment of the spring bias by "Überratschen".
  • a latching connection relative to the bearing bush 9, which makes possible an adjustment of the spring bias by "Überratschen".
  • the driver part 8 can be fixed against rotation, for example, by a latching connection relative to the bearing bush 9, which makes possible an adjustment of the spring bias by "Überratschen".
  • Überratschen "Überratschen"
  • an embodiment as shown in the illustrated embodiments as this is an extremely secure fixing of the driver part 8 and thus the axis 7 is fixed after a successful adjustment of the spring preload.
  • axle 7 The use of a square tube to form the axle 7 is advantageous for the reasons mentioned above, but it is also possible to effect a different type of twist-proof connection between the axle 7 and a driver part 8.
  • the winding device is arranged in total in the above-mentioned cassette 1, since such a structure has already proven in principle very good in practice.
  • this opening must be closed by a cap or the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Abstract

The winding device has a torsion spring, and a guide shaft (3) passing through an axle shaft. The torsion spring has an end connected to the axle shaft and an end connected to the guide shaft for adjusting the spring tension relative to the guide shaft which is rotated in any desired setting position. The front end of axle shaft is accessible from the outside of furniture main portion in the opening region of a sidewall or front wall (6) of the furniture main portion that receives the drum cassette (1).

Description

Die vorliegende Erfindung betrifft eine Aufwickelvorrichtung für einen Rollladenpanzer eines Schrankmöbels, mit einer von mindestens einer Drehfeder beaufschlagten Umlenkwelle und einer die Umlenkwelle durchtretenden Achse, wobei die mindestens eine Drehfeder mit einem ihrer Enden an der Achse festgelegt und mit ihrem anderen Ende an der Umlenkwelle angeschlossen ist und die Achse zum Zwecke der Einstellung der Federspannung relativ zur Umlenkwelle verdrehbar und in jeder gewünschten Einstellposition fixierbar ist.The present invention relates to a take-up device for a roller shutter of a cupboard furniture, acted upon by at least one torsion spring deflection shaft and an axis passing through the deflection shaft, wherein the at least one torsion spring is fixed at one of its ends to the axis and connected at its other end to the deflection shaft and the axis for the purpose of adjusting the spring tension relative to the deflection shaft rotatable and fixable in any desired setting position.

Aufwickelvorrichtungen der gattungsgemäßen Art sind an sich bekannt.Winding devices of the generic type are known per se.

Durch die Verwendung mindestens einer Drehfeder kann erreicht werden, dass das Öffnen und Schließen des Rollladenpanzers durch äußerst geringe Kräfte von außen möglich wird, da durch die mindestens eine Drehfeder ein Gewichtsausgleich für den jeweils in vertikaler Position nach unten weisenden Bereich eines Rollladenpanzers in unterschiedlichsten Öffnungsstellungen erreichbar ist. Ist der Rollladenpanzer in seine Schließstellung völlig nach unten gefahren, ist die mindestens eine Drehfeder maximal vorgespannt. Entsprechend hoch sind die unterstützenden Kräfte der Drehfeder beim Öffnen des Rollladenpanzers und werden mit zunehmender Öffnungsstellung immer geringer, da sich die Drehfeder während des Öffnungsvorganges des Rollladenpanzers weitestgehend entspannt.By using at least one torsion spring can be achieved that the opening and closing of the roller shutter is made possible by extremely low forces from the outside, as achieved by the at least one torsion spring weight compensation for each pointing downwards in the vertical position range of a roller shutter in different opening positions is. If the roller shutter has moved completely down in its closed position, the at least one torsion spring is biased maximum. Correspondingly high are the supporting forces of the torsion spring when opening the roller shutter and are increasingly smaller with increasing opening position, since the torsion spring relaxes as much as possible during the opening process of the roller shutter.

Je nach Aufbau und Struktur des Rollladenpanzers muss eine Drehfeder für eine entsprechende Aufwickelvorrichtung eine gewisse Vorspannung aufweisen. Diese Vorspannung wird dadurch erzielt, dass ohne Bewegung des Rollladenpanzers die an sich still stehende Achse von außen mechanisch durch einen Monteur gedreht wird, wodurch eine Erhöhung oder Verringerung der Vorspannung der Drehfeder einstellbar wird.Depending on the structure and structure of the roller shutter a torsion spring for a corresponding winding device must have a certain bias. This bias is achieved in that, without movement of the roller shutter, the inherently stationary axis is mechanically rotated from the outside by a fitter, whereby an increase or decrease in the bias of the torsion spring is adjustable.

Diese Vorspannung kann auch nach einer gewissen Grundeinstellung noch einmal verändert werden müssen, sei es, weil ein Benutzer eine Veränderung der unterstützenden Wirkung der Drehfeder wünscht oder sei es, weil sich die Reibungsverhältnisse im gesamten System während einer gewissen Nutzungsdauer verändert haben.This bias can also have to be changed again after a certain default, either because a user wants a change in the supporting action of the torsion spring or be it because the friction conditions have changed throughout the system during a period of use.

Bislang ist eine Veränderung der Vorspannung der Drehfeder nur vom Innenraum eines entsprechenden Möbels aus möglich. Bei der Erstmontage ist in der Regel ein entsprechender Schrank natürlich nicht mit irgendwelchen Gegenständen gefüllt, so dass in diesem Falle noch eine vergleichsweise gute Zugänglichkeit der erforderlichen Verstellmittel gegeben sein mag. Soll aber eine Änderung der Vorspannung bei gefülltem Schrank durchgeführt werden, gestaltet sich dies insoweit problematisch, als zunächst der Schrank ausgeräumt und somit die entsprechenden Bauteile zugänglich gemacht werden müssen.So far, a change in the bias of the torsion spring is possible only from the interior of a corresponding piece of furniture. Of course, during initial assembly, a corresponding cabinet is not filled with any objects, so that in this case, a comparatively good accessibility of the required adjusting means may be given. If, however, a change in the preload is carried out when the cabinet is full, this is problematic insofar as the cabinet first has to be cleared and therefore the corresponding components must be made accessible.

Unabhängig von diesem Problem ist eine Verstellung bzw. Voreinstellung umständlich durchzuführen, da die Platzverhältnisse innerhalb eines entsprechenden Schrankes in keinem Falle so üppig sind, dass ein Monteur hier behinderungsfrei arbeiten könnte.Regardless of this problem, an adjustment or default is cumbersome to perform because the space within a corresponding cabinet in no case so abundant that a fitter could work here disability.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Aufwickelvorrichtung der gattungsgemäßen Art so zu gestalten, dass unabhängig vom Befüllungszustand eines Schrankes eine problemlose Einstellung der Vorspannung der mindestens einen Drehfeder möglich ist.The present invention has for its object to make a take-up of the generic type so that regardless of the filling state of a cabinet trouble-free adjustment of the bias of at least one torsion spring is possible.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass zumindest ein stirnseitiges Ende der Achse im Bereich einer Durchbrechung einer Seitenwand eines Möbelkorpus oder einer Stirnwand einer die Aufwickelvorrichtung aufnehmenden Kassette liegt und somit von der Außenseite eines Möbelkorpus bzw. einer in diesen eingesetzten Kassette zugänglich ist.This object is achieved in that at least one end face of the axis in the region of an opening of a side wall of a furniture carcass or an end wall of the take-up receiving cassette is and thus accessible from the outside of a furniture body or inserted into this cassette.

Der Erfindung liegt insoweit der grundsätzliche Gedanke zugrunde, die Zugänglichkeit zu der Achse, die zum Zwecke der Voreinstellung oder Nachjustierung der Federspannung der mindestens einen Drehfeder auf dem Innenraum eines Möbelkorpus heraus in den Bereich der Außenseiten der Seitenwände bzw. einer Kassette zu verlegen, je nachdem, ob die Aufwickelvorrichtung unmittelbar an den Seitenwänden eines Möbelkorpus oder an den Stirnwänden einer Kassette montiert ist, welche in ihrer Gesamtheit in den oberen Bereich eines Möbelkorpus eingeschoben und dort festgelegt werden und bei Bedarf auch wieder problemlos zumindest teilweise aus dem Möbelkorpus herausgenommen werden kann.The invention is based in so far the fundamental idea to move the accessibility to the axis, for the purpose of presetting or readjustment of the spring tension of the at least one torsion spring on the interior of a furniture body out in the region of the outer sides of the side walls or a cassette, as the case may be whether the take-up is mounted directly on the side walls of a furniture body or on the end walls of a cassette, which are inserted in their entirety in the upper portion of a furniture body and fixed there and, if necessary, again easily at least partially removed from the furniture body.

Somit wird der stirnseitige Bereich der Achse zumindest an einer Seite des Schrankkorpus oder der Kassette frei zugänglich, wobei es sicher von Vorteil ist, wenn die Zugänglichkeit auf beiden Seiten des Möbelkorpus bzw. der Kassette gestattet wird.Thus, the frontal region of the axis is freely accessible at least on one side of the cabinet body or the cassette, whereby it is certainly advantageous if the accessibility on both sides of the furniture body or the cassette is permitted.

Zweckmäßigerweise ist die Achse in dem von außen zugänglichen Bereich mit einem Mehrkant zur Aufnahme eines Werkzeuges zum Verdrehen der Achse ausgestattet.Conveniently, the axle is provided in the externally accessible area with a polygon for receiving a tool for rotating the axle.

Dadurch kann problemlos ein Werkzeug zum Verdrehen der Achse angesetzt werden und die entsprechende Vorspannung eingestellt werden.As a result, a tool for rotating the axis can be easily recognized and the corresponding bias can be adjusted.

Besonders einfach ist, wenn die Achse selbst entsprechend gestaltet ist und insoweit aus einem Rohr mit einem unrunden, vorzugsweise eckigen Querschnitt besteht.It is particularly simple if the axis itself is designed accordingly and insofar consists of a tube with a non-round, preferably square cross-section.

Dabei ist eine bevorzugte Lösung darin zu sehen, dass die Achse aus einem Vierkantrohr besteht, so dass ein entsprechendes Gegenwerkzeug in das Innenvierkant des Rohres eingeführt und die Achse verdreht werden kann.Here, a preferred solution is to be seen in that the axis consists of a square tube, so that a corresponding counter-tool can be inserted into the inner square of the tube and the axis can be rotated.

Sofern die Aufwickelvorrichtung unmittelbar an den Seitenwänden eines Möbelkorpus montiert und insoweit zumindest eine Seitenwand mit einer Durchbrechung versehen ist, besteht eine vorteilhafte Gestaltung der Erfindung darin, dass die Durchbrechung der Seitenwand des Möbelkorpus mittels einer Abdeckkappe oder dergleichen verschließbar ist.If the take-up device is mounted directly on the side walls of a furniture body and insofar at least one side wall is provided with an opening, there is an advantageous embodiment of the invention is that the opening of the side wall of the furniture body by means of a cap or the like can be closed.

Weitere Merkmale der Erfindung sind Gegenstand weiterer Unteransprüche. Ein Ausführungsbeispiel der Erfindung ist in den beigefügten Zeichnungen dargestellt und wird im Folgenden näher beschrieben.Further features of the invention are the subject of further subclaims. An embodiment of the invention is illustrated in the accompanying drawings and will be described in more detail below.

Es zeigen:

Figur 1
eine perspektivische Darstellung einer in einen Möbelkorpus eines Schrankmöbels einsetzbaren Kassette mit einer Aufwickelvorrichtung für einen Rollladenpanzer
Figur 2
eine perspektivische Teildarstellung eines oberen Eckbereiches der Kassette gemäß Figur 1 unter Weglassung einer in Figur 1 dargestellten Umlenkwelle
Figur 3
eine der Figur 2 entsprechende Perspektivdarstellung mit andeutungsweise dargestellter Umlenkwelle
Figuren 4a-4c
perspektivische Außendarstellungen der Kassette im Lagerbereich der Umlenkwelle mit verschiedenen Montagepositionen betreffen die Anbringung eines blockierbaren Mitnehmerteiles auf einer die Umlenkwelle durchtretenden Achse
Figur 5
eine Teilansicht eines mittleren Abschnittes einer Achse mit einer daran angeschlossenen Drehfeder.
Show it:
FIG. 1
a perspective view of an insertable into a furniture body of a cupboard cassette with a winding device for a roller shutter
FIG. 2
a partial perspective view of an upper corner portion of the cassette according to FIG. 1 omitting an in FIG. 1 illustrated deflection shaft
FIG. 3
one of the FIG. 2 corresponding perspective view with hinted illustrated deflection shaft
Figures 4a-4c
perspective external views of the cassette in the storage area of the deflection shaft with different mounting positions relate to the attachment of a blockable driver part on an axis passing through the deflection shaft
FIG. 5
a partial view of a central portion of an axle with a connected torsion spring.

In den Figuren 1-3 ist mit dem Bezugszeichen 1 insgesamt eine Kassette bezeichnet, die eine Aufwickelvorrichtung für einen Rollladenpanzer 2 aufnimmt. Diese Kassette 1 kann insgesamt in einen Korpus eines Schrankmöbels eingesetzt und montiert werden. Alle Bestandteile der Aufwickelvorrichtung und deren Montage können somit außerhalb eines Schrankkorpus erfolgen.In the Figures 1-3 is denoted by the reference numeral 1 a total of a cassette which receives a winding device for a roller shutter 2. This cassette 1 can be used and mounted in total in a body of a cabinet cabinet. All components of the take-up and their assembly can thus be done outside a cabinet body.

Diese Technik ist an sich bekannt und braucht insoweit an dieser Stelle nicht im Detail erläutert werden. Wichtig ist im vorliegenden Falle lediglich, dass die Aufwickelvorrichtung eine Umlenkwelle 3 aufweist, die umfangsseitig mit einer Vielzahl von Mitnehmern 3a versehen ist, wobei die Mitnehmer 3a jeweils in entsprechend gestaltete Aussparungen 4 von Endkappen 12 des Rollenpanzers 2 eingreifen, innerhalb derer die jeweiligen stirnseitigen Enden der Lamellen des Rollladenpanzers 2 gelagert sind. Über diese Mitnahme kann der Rollladenpanzer 2 - je nach Drehrichtung der Umlenkwelle 3 - nach oben oder nach unten bewegt werden. Wird der Rollladenpanzer 2 nach oben bewegt, bedeutet dies, dass die Schrankvorderseite geöffnet und der Zugriff zum Schrankinnern frei gegeben wird. Dabei kann der Rollladenpanzer 2 beispielsweise in entsprechenden Führungen 5 der Kassette 1 aufgenommen werden.This technique is known per se and does not need to be explained in detail at this point. It is important in the present case only that the take-up device has a deflection shaft 3, which is peripherally provided with a plurality of drivers 3a, wherein the drivers engage 3a respectively in correspondingly shaped recesses 4 of end caps 12 of the roller armor 2, within which the respective front ends the fins of the roller shutter 2 are stored. About this entrainment of the roller shutter 2 - depending on the direction of rotation of the guide shaft 3 - up or to be moved down. If the roller shutter 2 moves upward, this means that the cabinet front side is opened and the access to the cabinet interior is released. In this case, the roller shutter 2 can be received in corresponding guides 5 of the cassette 1, for example.

Die Umlenkwelle 3 erstreckt sich zwischen den beiden Stirnwänden 6 der Kassette 1 und ist letztlich auch an diesen Stirnwänden 6 drehbar gelagert.The deflection shaft 3 extends between the two end walls 6 of the cassette 1 and is ultimately rotatably mounted on these end walls 6.

Die Umlenkwelle 3 wird durchtreten von einer Achse 7. Diese Achse 7 ist im dargestellten Ausführungsbeispiel als Vierkantrohr ausgebildet und trägt im Lagerbereich jeweils ein Mitnehmerteil 8, welches zentral eine Vierkantaufnahme 8a aufweist und somit verdrehsicher auf die Achse 7 aufsetzbar ist und außenseitig weist das Mitnehmerteil 8 eine zylindrische Form auf und ist in diesem Bereich in einer an einer Stirnwand 6 befestigten Lagerbuchse 9 drehbar gelagert. Diese Lagerbuchse 9 weist außenseitig einen Zentrierbund 9b auf, wodurch die Umlenkwelle 3 zentriert ist.The deflection shaft 3 will pass through an axis 7. This axis 7 is formed in the illustrated embodiment as a square tube and carries in the storage area in each case a driver part 8, which has a central square receiving 8a and thus against rotation on the axis 7 is placed and the outside has the driver part a cylindrical shape and is rotatably supported in this area in a bearing bush 9 fixed to an end wall 6. This bearing bush 9 has on the outside a centering collar 9b, whereby the deflection shaft 3 is centered.

Die Fig. 3 zeigt die Lagerung der Umlenkwelle 3, die auf einem mehreckigen Lagerelement 13 gelagert ist. Das Lagerelement 13 ist im Inneren der Umlenkwelle 32 angeordnet und drehbar auf der Lagerbuchse 9 (Fig. 2) gelagert. Die Lagerbuchse 9 nimmt außerdem das Federende 11 b der Drehfeder 11 auf und stellt demzufolge die Verbindung zwischen der Drehfeder 11 und der Umlenkrolle 3 her, wodurch die Umlenkwelle 3 drehbar auf der Lagerbuchse 9 gelagert ist.The Fig. 3 shows the storage of the deflection shaft 3, which is mounted on a polygonal bearing element 13. The bearing element 13 is arranged in the interior of the deflection shaft 32 and rotatably mounted on the bearing bush 9 (FIG. Fig. 2 ) stored. The bushing 9 also receives the spring end 11 b of the torsion spring 11 and thus provides the connection between the torsion spring 11 and the guide roller 3, whereby the guide shaft 3 is rotatably mounted on the bearing bush 9.

Wie die Figuren 4a-4c besonders anschaulich zeigen, ist die Lagerbuchse 9 im Lagerbereich des Mitnehmerteils 8 mit mehreren, winkelversetzt gegeneinander angeordneten Ausbuchtungen 9a ausgestattet und das Mitnehmerteil 8 ist im Bereich seines äußeren Umfanges an mindestens einer Stelle mit einem halbkreisförmigen Einschnitt 8b versehen, der den gleichen Radius aufweist wie die Ausbuchtungen 9a der Lagerbuchse 9. Durch einen Blockierstift 10, der in eine der Ausbuchtungen 9a und den einer derartigen Ausbuchtung 9a gegenüberliegenden Einschnitt 8b einschiebbar ist, kann eine Verdrehung des Mitnehmerteiles 8 relativ zur Lagerbuchse 9 blockiert werden.As the Figures 4a-4c show particularly clearly, the bearing bush 9 is provided in the storage area of the driver 8 with a plurality of angularly offset mutually arranged bulges 9a and the driver part 8 is provided in the region of its outer periphery at least one point with a semi-circular recess 8b, which has the same radius as the Lugs 9a of the bearing bush 9. By a blocking pin 10 which is inserted into one of the bulges 9a and 9a of such a recess opposite notch 8b, a rotation of the driver 8 relative to the bearing bush 9 can be blocked.

Im montierten Zustand ist eine derartige Blockierung des Mitnehmerteiles 8 und damit auch der Achse 7 gegen Verdrehung also gewährleistet, wenn ein Blockierstift 10 in der vorstehend angegebenen Weise eingesetzt ist. In dieser Position kann der Blockierstift 10 durch ein am Mitnehmerteil 8 angeformtes Hakenteil 8c gegen Herausfallen gesichert werden.In the assembled state, such blocking of the driver part 8 and thus also the axis 7 against rotation is thus ensured when a blocking pin 10 is inserted in the manner indicated above. In this Position, the blocking pin 10 can be secured by falling on the driver part 8 molded hook part 8 c against falling out.

An der Achse 7 ist, was Figur 5 deutlich macht, ein Ende 11 a einer Drehfeder 11 befestigt. Die Befestigung erfolgt über ein Bauteil, welches mit dem Mitnehmerteil 8, welches weiter oben schon beschrieben wurde, identisch ist. Die Drehfeder 11 greift mit ihrem Ende 11a in eine hinterschnittene Ausnehmung 8d des Mitnehmerteiles 8 ein. Da das Mitnehmerteil 8 verdrehsicher auf der Achse 7 festgelegt und die Achse 7, wie oben geschildert, im komplett montierten Zustand verdrehsicher in den Lagerbuchsen 9 gelagert ist, ist das besagte Ende 11a der Drehfeder 11 entsprechend verdrehsicher an der Achse 7 angeschlossen.On the axis 7 is what FIG. 5 makes clear, one end 11 a of a torsion spring 11 attached. The attachment is made via a component which is identical to the driver part 8, which has already been described above. The torsion spring 11 engages with its end 11a in an undercut recess 8d of the driver part 8 a. Since the driver part 8 fixed against rotation on the axis 7 and the axis 7, as described above, is mounted in the assembled state in a rotationally secure manner in the bearing bushes 9, the said end 11a of the torsion spring 11 is correspondingly secured against rotation on the axis 7.

Das andere Ende 11b der Drehfeder 11 ist, was Figur 3 besonders anschaulich macht, im Inneren der Umlenkwelle 3 fixiert. Dementsprechend kann durch eine entsprechende Vorspannung der Drehfeder 11 ein entsprechendes Drehmoment auf die Umlenkwelle 3 aufgebracht werden. Je größer die Vorspannung der Drehfeder 11, umso größer das Drehmoment, welches auf die Umlenkwelle 3 wirkt.The other end 11b of the torsion spring 11 is what FIG. 3 makes particularly clear, fixed in the interior of the deflection shaft 3. Accordingly, a corresponding torque can be applied to the deflection shaft 3 by a corresponding bias of the torsion spring 11. The greater the bias of the torsion spring 11, the greater the torque which acts on the deflection shaft 3.

Da sich das Ende 11b der Drehfeder 11 mit der Umlenkwelle 3 dreht, wird die Vorspannung der Drehfeder 11 je nach Drehrichtung der Umlenkwelle 3 erhöht oder verringert.Since the end 11b of the torsion spring 11 rotates with the deflection shaft 3, the bias of the torsion spring 11 is increased or decreased depending on the direction of rotation of the deflection shaft 3.

Dies ist unabhängig von einer Voreinstellung der Federvorspannung, die in einem Montageschritt beim Einbau der gesamten Vorrichtung erfolgen muss. Um diese Voreinstellung vornehmen zu können, ist das stirnseitige Ende der Achse 7 durch eine Durchbrechung in der Seitenwand 6 von außen zugänglich, wie dies die Figuren 4a-4c deutlich zeigen. Zweckmäßigerweise sind beide stirnseitigen Enden der Achse 7 durch die entsprechenden Stirnwände 6 von außen zugänglich gemacht.This is independent of a presetting of the spring preload, which must be done in an assembly step in the installation of the entire device. To make this default, the front end of the axis 7 is accessible through an opening in the side wall 6 from the outside, as the Figures 4a-4c clearly show. Conveniently, both front ends of the axis 7 are made accessible by the corresponding end walls 6 from the outside.

Zum Zwecke der Voreinstellung der Federspannung für die Drehfeder 11 wird das jeweils stirnseitig angebracht Mitnehmerteil 8 durch Entfernen des Blockierstiftes 10 zunächst einmal entsichert. Nunmehr kann durch Ansetzen eines geeigneten Werkzeuges beispielsweise am Innenvierkant des die Achse 7 bildenden Vierkantrohres dieses Vierkantrohr nach links oder nach rechts gedreht werden, wodurch die Drehfeder 11 aufgrund ihrer festen Anbindung an der Achse 7 entsprechend stärker vorgespannt oder entspannt wird. Nach einer erfolgten Voreinstellung wird das Mitnehmerteil 8 durch Einstecken des Blockierstiftes 10 wieder fixiert, so dass nun die gewählte Voreinstellung bezüglich der Federspannung ständig wirksam ist. Dabei versteht sich, dass durch Drehung der Umlenkwelle 3 die jeweils aktuelle Belastung der Drehfeder 11 geringer oder höher wird, je nachdem, in welche Richtung die Umlenkwelle 3 sich dreht.For the purpose of presetting the spring tension for the torsion spring 11, the respective end face mounted driver part 8 is initially released by removing the blocking pin 10. Now can be rotated by attaching a suitable tool, for example on the inner square of the axis 7 forming square tube this square tube to the left or to the right, causing the torsion spring 11 is due to their fixed connection to the axis 7 biased or relaxed correspondingly stronger. After a done default, the driver part 8 is fixed by inserting the blocking pin 10 again, so that now the selected default with respect to the spring tension is constantly effective. It is understood that by rotation of the deflection shaft 3, the respective current load of the torsion spring 11 is lower or higher, depending on the direction in which the deflection shaft 3 rotates.

Alternativ zum dargestellten Ausführungsbeispiel kann das Mitnehmerteil 8 beispielsweise auch durch eine Rastverbindung gegenüber der Lagerbuchse 9 verdrehsicher fixiert werden, die durch "Überratschen" eine Verstellung der Federvorspannung möglich macht. Bevorzugt ist aber eine Ausführungsform wie in den dargestellten Ausführungsbeispielen gezeigt, da hierdurch eine extrem sichere Festlegung des Mitnehmerteiles 8 und damit auch der Achse 7 nach einer erfolgten Einstellung der Federvorspannung fixiert ist.Alternatively to the illustrated embodiment, the driver part 8 can be fixed against rotation, for example, by a latching connection relative to the bearing bush 9, which makes possible an adjustment of the spring bias by "Überratschen". But preferred is an embodiment as shown in the illustrated embodiments, as this is an extremely secure fixing of the driver part 8 and thus the axis 7 is fixed after a successful adjustment of the spring preload.

Die Verwendung eines Vierkantrohres zur Bildung der Achse 7 ist aus den vorstehend genannten Gründen heraus vorteilhaft, es besteht aber auch die Möglichkeit, eine andere Art der verdrehsicheren Verbindung zwischen der Achse 7 und einem Mitnehmerteil 8 zu bewirken.The use of a square tube to form the axle 7 is advantageous for the reasons mentioned above, but it is also possible to effect a different type of twist-proof connection between the axle 7 and a driver part 8.

Abweichend vom dargestellten Ausführungsbeispiel ist es auch möglich, auf das stirnseitige Ende der Achse 7 unabhängig von deren Querschnittsgestaltung ein stirnseitig vorstehendes Mitnehmerteil aufzusetzen, an dem ein Werkzeug zum Verdrehen der Achse 7 zwecks Einstellung der Federvorspannung angesetzt werden kann.Notwithstanding the illustrated embodiment, it is also possible, regardless of the cross-sectional design set up a front end projecting driver on the front end of the axis 7, on which a tool for rotating the shaft 7 can be set for the purpose of setting the spring preload.

Im dargestellten Ausführungsbeispiel ist die Aufwickelvorrichtung insgesamt in der erwähnten Kassette 1 angeordnet, da sich ein derartiger Aufbau in der Praxis bereits grundsätzlich sehr gut bewährt hat.In the illustrated embodiment, the winding device is arranged in total in the above-mentioned cassette 1, since such a structure has already proven in principle very good in practice.

Es ist aber auch denkbar, die Aufwickelvorrichtung unmittelbar an den Seitenwänden eines Möbelkorpus zu montieren, in diesem Falle müsste zumindest eine der Seitenwände des Möbelkorpus mit einer Durchbrechung versehen sein, durch welche das entsprechende angeordnete stirnseitige Ende der Achse 7 von außen zugänglich ist.But it is also conceivable to mount the take-up directly on the side walls of a furniture body, in this case, at least one of the side walls of the furniture body would have to be provided with an opening through which the corresponding arranged front end of the shaft 7 is accessible from the outside.

Aus optischen Gründen muss diese Durchbrechung durch eine Abdeckkappe oder dergleichen verschließbar sein.For optical reasons, this opening must be closed by a cap or the like.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Kassettecassette
22
RollladenpanzerRoller curtain
33
Umlenkwellereturn shaft
3a3a
Mitnehmertakeaway
44
Aussparungrecess
55
Führungguide
55
Stirnwandbulkhead
66
Achseaxis
77
Mitnehmerteildriver part
8a8a
VierkantaufnahmeSquare drive
8b8b
Einschnittincision
8c8c
Hakenteilhook part
8d8d
Ausnehmungrecess
88th
Lagerbuchsebearing bush
9a9a
Ausbuchtungbulge
9b9b
Zentrierbundspigot
99
Blockierstiftblocking pin
1010
Drehfedertorsion spring
11a11a
EndeThe End
11b11b
EndeThe End
1212
Endkappeendcap

Claims (7)

Aufwickelvorrichtung für einen Rollladenpanzer (2) eines Schrankmöbels, mit einer von mindestens einer Drehfeder (11) beaufschlagten Umlenkwelle (3) und einer die Umlenkwelle (3) durchtretenden Achse (7), wobei die mindestens eine Drehfeder (11) mit einem ihrer Enden (11a) an der Achse (7) festgelegt und mit ihrem anderen Ende (11 b) an der Umlenkwelle (3) angeschlossen ist und die Achse (7) zum Zwecke der Einstellung der Federspannung relativ zur Umlenkwelle (3) verdrehbar und in jeder gewünschten Einstellposition fixierbar ist, dadurch gekennzeichnet, dass zumindest ein stirnseitiges Ende der Achse (7) im Bereich einer Durchbrechung einer Seitenwand eines Möbelkorpus oder einer Stirnwand (6) einer die Aufwickelvorrichtung aufnehmenden Kassette (1) liegt und somit von der Außenseite eines Möbelkorpus bzw. einer in diesen eingesetzten Kassette (1) zugänglich ist.Winding device for a roller shutter armor (2) of a cupboard furniture, with a deflecting shaft (3) acted on by at least one torsion spring (11) and an axis (7) passing through the deflecting shaft (3), the at least one torsion spring (11) having one of its ends ( 11a) is fixed to the axle (7) and connected at its other end (11 b) to the deflection shaft (3) and the axis (7) for the purpose of adjusting the spring tension relative to the guide shaft (3) rotatable and in any desired setting position can be fixed, characterized in that at least one end face of the axis (7) in the region of an opening of a side wall of a furniture body or an end wall (6) of the take-up receiving cassette (1) and thus from the outside of a furniture body or a in this inserted cassette (1) is accessible. Aufwickelvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Achse (7) in dem von außen zugänglichen Bereich mit einem Mehrkant zur Aufnahme eines Werkzeuges zum Verdrehen der Achse (7) ausgestattet ist.Winding device according to claim 1, characterized in that the axis (7) is provided in the externally accessible area with a polygon for receiving a tool for rotating the axle (7). Aufwickelvorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Achse (7) aus einem Rohr mit einem unrunden, vorzugsweise mehreckigen Querschnitt besteht.Winding device according to claim 2, characterized in that the axis (7) consists of a tube with a non-round, preferably polygonal cross-section. Aufwickelvorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Achse (7) aus einem Vierkantrohr besteht.Winding device according to claim 3, characterized in that the axis (7) consists of a square tube. Aufwickelvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Durchbrechung der Seitenwand des Möbelkorpus mittels einer Abdeckkappe oder dergleichen verschließbar ist.Winding device according to one of the preceding claims, characterized in that the opening of the side wall of the furniture body by means of a cap or the like can be closed. Aufwickelvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Achse (7) im stirnseitigen Lagerbereich jeweils ein Mitnehmerteil (8) aufweist, welches in einer Lagerbuchse (9) drehbar gelagert und beispielsweise durch einen Blockierstift (10) oder durch eine Rastung zwischen Mitnehmerteil (8) und Lagerbuchse (9) gegen ungewolltes Verdrehen gesichert ist.Winding device according to one of the preceding claims, characterized in that the axis (7) in the end bearing area in each case a driver part (8) which in a bearing bush (9) rotatably mounted and for example by a blocking pin (10) or by a detent between the driver (8) and bearing bush (9) is secured against accidental rotation. Aufwickelvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Drehfeder (11) mit ihrem an der Achse (7) festgelegten Ende (11a) mit einem verdrehsicher auf der Achse (7) angeordneten Mitnehmerteil (8) verbunden ist.Winding device according to one of the preceding claims, characterized in that the torsion spring (11) with its on the axis (7) fixed end (11a) with a rotationally fixed on the axis (7) arranged driver part (8) is connected.
EP20120167264 2011-05-20 2012-05-09 Winding device for a roller shutter of a cupboard Not-in-force EP2525040B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201120050198 DE202011050198U1 (en) 2011-05-20 2011-05-20 Winding device for a roller shutter of a cabinet furniture

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EP2525040A1 true EP2525040A1 (en) 2012-11-21
EP2525040B1 EP2525040B1 (en) 2015-04-01

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EP20120167264 Not-in-force EP2525040B1 (en) 2011-05-20 2012-05-09 Winding device for a roller shutter of a cupboard

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202016106350U1 (en) * 2016-11-14 2018-02-15 Rehau Ag + Co Closure arrangement, in particular for cupboard furniture

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2224298A (en) * 1988-07-20 1990-05-02 Waivis Engineering Company Lim Roller shutter
DE9103919U1 (en) * 1991-03-30 1991-06-27 REHAU AG + Co, 8673 Rehau Roller shutters
EP0751278A1 (en) * 1995-06-28 1997-01-02 Bubendorff S.A. Motorized roller shutter
US6283193B1 (en) * 1999-07-06 2001-09-04 Harry E. Finch Adjustable tensioning arrangement for modular security door system
WO2003040500A1 (en) * 2001-11-02 2003-05-15 Wayne-Dalton Corp. Tensioning device for a door system
FR2840348A1 (en) * 2002-05-30 2003-12-05 Franciaflex Ind Roller shutter mounting device comprises support plate, fixed to vertical runner, supporting horizontal shaft and having vertical rectilinear edge with projecting coupling lug fitted and locked into vertical slot in runner wall
EP1944459A2 (en) * 2007-01-13 2008-07-16 Hunter Douglas Industries B.V. Control apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2224298A (en) * 1988-07-20 1990-05-02 Waivis Engineering Company Lim Roller shutter
DE9103919U1 (en) * 1991-03-30 1991-06-27 REHAU AG + Co, 8673 Rehau Roller shutters
EP0751278A1 (en) * 1995-06-28 1997-01-02 Bubendorff S.A. Motorized roller shutter
US6283193B1 (en) * 1999-07-06 2001-09-04 Harry E. Finch Adjustable tensioning arrangement for modular security door system
WO2003040500A1 (en) * 2001-11-02 2003-05-15 Wayne-Dalton Corp. Tensioning device for a door system
FR2840348A1 (en) * 2002-05-30 2003-12-05 Franciaflex Ind Roller shutter mounting device comprises support plate, fixed to vertical runner, supporting horizontal shaft and having vertical rectilinear edge with projecting coupling lug fitted and locked into vertical slot in runner wall
EP1944459A2 (en) * 2007-01-13 2008-07-16 Hunter Douglas Industries B.V. Control apparatus

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DE202011050198U1 (en) 2012-08-21

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