EP3382136B1 - Blind with a bottom profile with asymmetric weight distribution - Google Patents
Blind with a bottom profile with asymmetric weight distribution Download PDFInfo
- Publication number
- EP3382136B1 EP3382136B1 EP18163552.5A EP18163552A EP3382136B1 EP 3382136 B1 EP3382136 B1 EP 3382136B1 EP 18163552 A EP18163552 A EP 18163552A EP 3382136 B1 EP3382136 B1 EP 3382136B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- blind
- profile
- slats
- bottom profile
- pivot axis
- 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.)
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- 239000011521 glass Substances 0.000 claims description 16
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 239000004020 conductor Substances 0.000 description 47
- 239000007787 solid Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
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- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241000446313 Lamella Species 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
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- 230000005540 biological transmission Effects 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/26—Lamellar or like blinds, e.g. venetian blinds
- E06B9/38—Other details
- E06B9/388—Details of bottom or upper slats or their attachment
-
- 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
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/26—Lamellar or like blinds, e.g. venetian blinds
- E06B9/264—Combinations of lamellar blinds with roller shutters, screen windows, windows, or double panes; Lamellar blinds with special devices
- E06B2009/2643—Screens between double windows
Definitions
- the invention relates to a blind with several reversible from a horizontal starting position in a closed position pivotable slats, with at least one pair of outer and inner conductor strips and with a pivotable together with the slats foot profile, the outer and inner conductor strips so with the slats and with Are connected to the foot profile so that they can be pivoted by actuating the conductor strips.
- the present invention relates to blind systems which can be integrated into a window and which can preferably be arranged between the insulating glass panes of a window.
- FIG 1 shows a blind in open ( Figure 1a ) and closed ( Figure 1b ) Position.
- the blind is generally identified by the reference number 1. It comprises a plurality of pivotable slats 2, at least one pair of outer (front) and inner (rear) conductor strips (conductor cords) 3 and 4 and a pivotable base profile 5.
- the outer and inner conductor strips 3 and 4 are so with the slats 2 and with Foot profile 5 connected that the slats 2 and 5 through the foot profile Operation of the conductor strips 3 and 4 can be pivoted. So there is a transition from the open position ( Figure 1a ) in the closed position ( Figure 1b ) by lowering the outer conductor strip 3 with respect to the inner conductor strip 4.
- pamphlet DE 1 023 214 B shows a blind according to the preamble of claim 1.
- the object of the invention is to find a construction which counteracts this problem and improves the closing angle of such blinds.
- the invention relates to a blind with a plurality of slats which can be reversibly swiveled from a horizontal starting position into a closed position, with at least one pair of outer and inner conductor strips and with a base profile which can be pivoted together with the slats, the outer and inner conductor strips thus having the slats and are connected to the foot profile in such a way that they can be pivoted by actuating the conductor strips, the foot profile being designed in such a way that its center of gravity in the starting position lies above its pivot axis and tilts forward when it is pivoted into the closed position.
- the swivel axis is the axis around which the foot profile at the pivoting movement is rotated. It runs normally on the cross-sectional area of the foot profile.
- the center of gravity is preferably not in the center of gravity of the foot profile.
- the center of gravity can coincide with the swivel axis.
- the foot profile rolls on the ladder cords when the slats are pivoted, the foot profile at least in the area in which it rolls on the ladder cords has an arcuate profile in cross section, the center of which corresponds to the pivot axis of the foot profile.
- the circular arc has the advantage that the distance between the conductor cords does not change despite the pivoting of the slats and thus the foot profile.
- the blind is preferably a collapsible horizontal slat blind.
- the foot profile is also commonly referred to as the lower rail in common parlance.
- the center of gravity lies above the swivel axis and, for example, perpendicularly above the swivel axis, when the slats and the foot profile swivel, it can shift to that side of the swivel axis that tilts downward in the closing direction when the slats swivel.
- the side that tilts downwards when the slats are pivoted in the direction of closure is understood in the present case as the outside, since in the installation situation this side typically faces outside (in the direction of the sun).
- the fact that the foot profile is rounded in the areas of engagement of the front and rear conductor strips means that the distance between the conductor strips is not widened or reduced when the foot profile is pivoted into the closed position and thus no counterforce is generated against such pivoting.
- the closing angle of the foot profile and ultimately the slats can also be improved in this way.
- At least one underside of the foot profile has an arcuate profile in cross section.
- the radius of the circular arc-shaped course preferably corresponds to half the distance between the conductor cords.
- the circular arc-shaped course preferably extends over at least 180 degrees plus the maximum swivel angle of the slats, more preferably over at least 180 degrees plus twice the maximum swivel angle of the slats.
- the circular arc in cross section preferably extends in the longitudinal direction of the foot profile at least over a portion of the foot profile. This therefore preferably has at least one part-circular cylindrical section.
- the circular arc-shaped course particularly preferably extends in the longitudinal direction of the foot profile over the entire length of the foot profile.
- the distance of the center of gravity from the pivot axis is at least 20% and preferably at least 40% of half the distance between the points of attack of the outer and inner conductor strips of the foot profile.
- the points of attack can be the same regardless of the position of the foot profile, or they can move along an area of attack.
- the points of attack in the starting position do not have to correspond to the fixing points of the conductor strips on the foot profile.
- a redirection point can also represent the point of attack.
- the foot profile is a profile element that is loaded with a weight body that has a higher density than the profile element, the weight body not being arranged in the pivot axis of the profile element.
- the arrangement of the weight body relative to the pivot axis can be as described above.
- the weight body is completely covered by the profile element. This allows a visually appealing design.
- the foot profile is an extruded profile element, to which the conductor cords and / or a drawstring are preferably fixed.
- the profile of the profile element preferably forms a rolling area, on which the foot profile rolls when pivoted on the conductor cords.
- the profile of the profile element is preferably designed so that a tension band, which preferably on the pivot axis with the foot profile is connected or is deflected at the pivot axis, is not deflected by other regions of the when pivoting.
- the profile element is preferably made in one piece.
- the foot profile is an asymmetrically designed profile element, the center of gravity of which is not in the center of gravity of the shape.
- the profile element has at least one solid area and at least one cavity, the solid area and the cavity being asymmetrically distributed over the cross section.
- the blind can be an electrically as well as a manually operated blind.
- the blind in addition to the conductor strips, also has at least one tension strip, which is preferably connected to the base profile on the pivot axis or is deflected at the pivot axis. This is the case with many venetian blinds.
- the foot profile has at least one preferably wedge-shaped indentation for the drawstrings, which extends from the top of the foot profile to the pivot axis. In this way it can be achieved that the pivoting movement of the foot profile is not impeded by a deflection of the drawstring.
- the conductor strips and possibly also drawstrings are connected to the foot profile at the same point, but are deflected at different points in each case.
- the foot profile is round or oval in cross section.
- a generally rectangular foot profile with semicircular short (front and rear) edges can also be preferred.
- the points of application of the drawstrings can lie on the circumference of the foot profile.
- the blind has a drive mechanism for moving the blind by actuating the drawstring and the conductor cords, the blind being moved in the vertical direction by actuating the drawstring.
- the conductor cords are preferably guided over a driver element which can be actuated together with the drawstring, so that the slats are adjusted in the respective direction at the beginning of a journey by driving the conductor cord.
- the conductor cords can be connected to one another above the last lamella and be guided over a roller, so that the lamella is adjusted in the respective direction by a rotary movement of the roller.
- the roller is preferably a driver element on which the cord rests slidingly and can be taken along by friction.
- the spacing of the conductor cords does not change in an upper region when the slats are pivoted. Therefore, the rounding or the circular arc shape of the foot profile has the particular advantage that the distance remains the same even in the lower area.
- the roller preferably has the same radius as the circular profile of the foot profile.
- the blind has a motor for moving the blind, and / or connections for connection to an external controller and / or power source.
- the profile element can, for example, be a preferably extruded strand.
- suitable materials are plastics or light metals such as aluminum.
- the weight body can be a rod received in the strand.
- denser metals such as iron can be considered as materials.
- the blind according to the invention can preferably be integrated into an insulating glass.
- the present invention therefore furthermore includes the use of a blind, as described above, in an insulating glass with at least two panes separated by spacers, the blind being arranged between the panes of the insulating glass.
- the present invention further comprises a construction set for a blind integrated in the insulating glass, the construction set comprising a blind as described above and spacers for the panes of the insulating glass.
- the present invention therefore furthermore comprises a window with a blind integrated into the insulating glass of the window, as described above.
- Figure 2 shows a blind according to the invention in the open position ( Figure 2a ) and in the closed position ( Figure 2b ).
- the blind is a collapsible venetian blind 1.
- blinds ( Figure 1 ) a plurality of pivotable slats 2, at least one pair of outer and inner conductor strips 3 and 4 and a pivotable base profile 5.
- the outer and inner conductor strips 3 and 4 are connected to the strips 2 and to the base profile 5.
- the conductor strips 3 and 4 are connected at the common fixing point 6 to the foot profile 5, which is an extruded, round profile element.
- the fixing point 6 is located centrally on the underside of the profile element 5. Starting from the fixing point 6, the outer and inner conductor strips 3 and 4 run upwards along the circumference of the profile element and are deflected continuously.
- the fixing point 6 can also be designed such that the outer and inner conductor strips (conductor cords) 3 and 4 are guided at the fixing point 6 through a hole or opening into the interior of the profile and are fixed there, for example by a knot.
- the conductor strips 3 and 4 run parallel and vertically upwards. Above the deflection points 7 and 8, the conductor strips 3 and 4 no longer touch the profile element 5.
- the profile element rolls with its circumference on the conductor cords during a pivoting movement. Due to the circular cross section of the circumference of the profile element, the distance of the conductor cords above the deflection points 7 and 8 does not change despite the pivoting movement.
- this configuration nevertheless enables pivoting in the event that the foot profile rests.
- the profile element 5 is designed asymmetrically and has in cross section a solid area 9 and a cavity 10.
- the solid area 9 is above the pivot axis 11, which is in the center of gravity of the profile element, here in the center of the circle.
- the cavity 10 lies below the pivot axis 11.
- the profile element 5 is symmetrical in cross section on both sides, that is to say forward and backward.
- the center of gravity 12 of the profile element 5 does not lie in the pivot axis 11, but rather perpendicularly above it.
- the foot profile 5 can, for example, be constructed such that the value x is 25%.
- Figure 3 shows a further embodiment of a blind according to the invention in the open position.
- the profile element according to Fig. 3 also has a circular arc-shaped circumferential profile on its underside in cross section. Starting from a point on the circumference that is lowest in the neutral position, this extends over at least 90 ° and in the exemplary embodiment from there again through an angular range which is greater than or equal to the maximum pivoting angle of the slats. This also ensures that, despite the pivoting movement, the distance between the conductor cords does not change above the deflection points 7 and 8. Furthermore, this configuration nevertheless enables pivoting in the event that the foot profile rests.
- the blind 1 according to FIG Figure 3
- tension strips 13 which are connected to the profile element 5.
- the drawstrings 13 are fixed centrally on the underside of the profile element 5 on the profile element.
- the fixing point 6 corresponds to that of the outer and inner conductor strips 3 and 4. From this fixing point, it runs vertically in the open position and parallel to the conductor strips 3 and 4 or in the closed position obliquely upwards to a deflection point which is the center of gravity and at the same time Pivot axis 11 corresponds. outgoing from the deflection point, it runs perpendicularly and parallel to the conductor strips 3 and 4 upwards, regardless of the position of the slats 2 and the profile element 5.
- the profile element 5 has an indentation 14 which extends perpendicularly to the top of the profile element 5 and thereby widens in a wedge shape. This recess 14 prevents the pivoting movement of the foot profile 5 from being hindered by a deflection of the drawstrings 13.
- the profile element 5 is constructed differently in cross-section than that according to the embodiment Figure 2 , Instead of having a solid area, it rather has two receiving areas for metal weight bars 15 and 16.
- the weight bars 15 and 16 are completely covered by the profile element 5, which is itself made of plastic or aluminum or another lighter material.
- the receptacles and thus the front and rear weight rods 15 and 16 lie above the pivot axis 11.
- the profile element 5 according to the embodiment is also forward and backward Figure 3 symmetrical in cross section.
- the center of gravity 12 of the profile element 5 is not in the pivot axis 11, but perpendicularly above it.
- the venetian blind according to the invention preferably has at least one motor, which, if necessary, drives a venetian blind mechanism via a gear mechanism, which and lowering the blinds and adjusting the slats.
- the slats are adjusted by taking the conductor cords with them at the beginning of each journey.
- the movement of the blind and the adjustment of the slats can only be done by controlling a single motor.
- the motor possibly the transmission and the blind mechanism are preferably arranged in a head box, from which the blind extends downward.
- the blind can preferably be installed in the insulating glass of a window.
- the head box is arranged together with circumferential spacers between two panes of the window, which protrude slightly above the spacers and the head box.
- a circumferential seal is then attached, for example by casting with a sealing compound.
- the head box receiving the blind system and the circumferential spacers could, for. B. can be supplied as a mounting set to insulating glass manufacturers or window manufacturers who connect them to the glass panes, seal them and install them in the windows.
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Description
Die Erfindung betrifft eine Jalousie mit mehreren reversibel von einer horizontalen Ausgangsstellung in eine Schließstellung schwenkbaren Lamellen, mit wenigstens einem Paar an äußeren und inneren Leiterbändern und mit einem gemeinsam mit den Lamellen schwenkbaren Fußprofil, wobei die äußeren und inneren Leiterbänder so mit den Lamellen und mit dem Fußprofil in Verbindung stehen, dass diese durch Betätigung der Leiterbänder geschwenkt werden können.The invention relates to a blind with several reversible from a horizontal starting position in a closed position pivotable slats, with at least one pair of outer and inner conductor strips and with a pivotable together with the slats foot profile, the outer and inner conductor strips so with the slats and with Are connected to the foot profile so that they can be pivoted by actuating the conductor strips.
Insbesondere betrifft die vorliegende Erfindung dabei Jalousiesysteme, welche in ein Fenster integriert werden könnend, und bevorzugt zwischen den Isolierglasscheiben eines Fensters anordenbar sind.In particular, the present invention relates to blind systems which can be integrated into a window and which can preferably be arranged between the insulating glass panes of a window.
Derartige Jalousien sind aus dem Stand der Technik bekannt.
Bei derartigen Jalousien ist zu beobachten, dass insbesondere die nahe dem Fußprofil angeordneten Lamellen nicht vollständig geschwenkt werden und so nicht vollständig schließen, weil die nach unten gerichtete Zugkraft des äußeren Leiterbandes unzureichend ist.With blinds of this type, it can be observed that, in particular, the slats arranged near the base profile are not pivoted completely and thus do not close completely because the downward pulling force of the outer conductor strip is insufficient.
Druckschrift
Weitere Jalousien sind aus den Druckschriften
Aufgabe der Erfindung ist es, eine Konstruktion aufzufinden, welche diesem Problem entgegenwirkt und den Schließwinkel derartiger Jalousien verbessert.The object of the invention is to find a construction which counteracts this problem and improves the closing angle of such blinds.
Vor diesem Hintergrund betrifft die Erfindung eine Jalousie mit mehreren reversibel von einer horizontalen Ausgangsstellung in eine Schließstellung schwenkbaren Lamellen, mit wenigstens einem Paar an äußeren und inneren Leiterbändern und mit einem gemeinsam mit den Lamellen schwenkbaren Fußprofil, wobei die äußeren und inneren Leiterbänder so mit den Lamellen und mit dem Fußprofil in Verbindung stehen, dass diese durch Betätigung der Leiterbänder geschwenkt werden können, wobei das Fußprofil erfindungsgemäß so ausgebildet ist, dass sein Gewichtsschwerpunkt in der Ausgangsstellung oberhalb von dessen Schwenkachse liegt und bei seinem Verschwenken in die Schließstellung nach vorne kippt. Die Schwenkachse ist diejenige Achse, um welche das Fußprofil bei der Schwenkbewegung gedreht wird. Sie verläuft normal auf die Querschnittsfläche des Fußprofils.Against this background, the invention relates to a blind with a plurality of slats which can be reversibly swiveled from a horizontal starting position into a closed position, with at least one pair of outer and inner conductor strips and with a base profile which can be pivoted together with the slats, the outer and inner conductor strips thus having the slats and are connected to the foot profile in such a way that they can be pivoted by actuating the conductor strips, the foot profile being designed in such a way that its center of gravity in the starting position lies above its pivot axis and tilts forward when it is pivoted into the closed position. The swivel axis is the axis around which the foot profile at the pivoting movement is rotated. It runs normally on the cross-sectional area of the foot profile.
So kann erreicht werden, dass die nach unten gerichtete Zugkraft des äußeren Leiterbandes und somit die Schwenkbewegung der Lamellen durch das Gewicht des Fußprofils unterstützt wird. Vorzugsweise liegt der Gewichtsschwerpunkt nicht im Formschwerpunkt des Fußprofils. Der Formschwerpunkt kann mit der Schwenkachse zusammenfallen.It can be achieved that the downward tensile force of the outer conductor band and thus the pivoting movement of the slats is supported by the weight of the foot profile. The center of gravity is preferably not in the center of gravity of the foot profile. The center of gravity can coincide with the swivel axis.
Dabei rollt das Fußprofils bei einem Verschwenken der Lamellen auf den Leiterkordeln ab, wobei das Fußprofil zumindest in dem Bereich, in welchem es auf den Leiterkordeln abrollt, im Querschnitt einen kreisbogenförmigen Verlauf aufweist, dessen Zentrum der Schwenkachse des Fußprofils entspricht.The foot profile rolls on the ladder cords when the slats are pivoted, the foot profile at least in the area in which it rolls on the ladder cords has an arcuate profile in cross section, the center of which corresponds to the pivot axis of the foot profile.
Der kreisbogenförmige Verlauf hat den Vorteil, dass sich der Abstand der Leiterkordeln trotz der Verschwenkung der Lamellen und damit des Fußprofils nicht ändert.The circular arc has the advantage that the distance between the conductor cords does not change despite the pivoting of the slats and thus the foot profile.
Bei der Jalousie handelt es sich vorzugsweise um eine zusammenschiebbare Horizontal-Lamellen-Jalousie.The blind is preferably a collapsible horizontal slat blind.
Das Fußprofil wird im allgemeinen Sprachgebrauch auch des Öfteren als Unterschiene bezeichnet.The foot profile is also commonly referred to as the lower rail in common parlance.
Da der Gewichtsschwerpunkt oberhalb der Schwenkachse und beispielsweise senkrecht über der Schwenkachse liegt, kann er sich bei einem Verschwenken der Lamellen und des Fußprofils auf diejenige Seite der Schwenkachse verschieben, die beim Schwenken der Lamellen in Verschlussrichtung nach unten kippt. Die Seite, die beim Schwenken der Lamellen in Verschlussrichtung nach unten kippt, wird vorliegend als Außenseite verstanden, da diese Seite in der Einbausituation typischerweise nach außen (in Richtung der Sonne) zeigt.Since the center of gravity lies above the swivel axis and, for example, perpendicularly above the swivel axis, when the slats and the foot profile swivel, it can shift to that side of the swivel axis that tilts downward in the closing direction when the slats swivel. The side that tilts downwards when the slats are pivoted in the direction of closure, is understood in the present case as the outside, since in the installation situation this side typically faces outside (in the direction of the sun).
Dadurch, dass das Fußprofil in den Angriffsbereichen der vorderen und hinteren Leiterbänder abgerundet ist, kann erreicht werden, dass der Abstand zwischen den Leiterbändern bei einem Schwenken des Fußprofils in die Schließstellung nicht geweitet oder verringert wird und somit keine Gegenkraft gegen ein solches Schwenken erzeugt wird. Auch kann so der Schließwinkel des Fußprofils und letztlich der Lamellen verbessert werden.The fact that the foot profile is rounded in the areas of engagement of the front and rear conductor strips means that the distance between the conductor strips is not widened or reduced when the foot profile is pivoted into the closed position and thus no counterforce is generated against such pivoting. The closing angle of the foot profile and ultimately the slats can also be improved in this way.
In einer Ausführungsform weist zumindest eine Unterseite des Fußprofils im Querschnitt einen kreisbogenförmigen Verlauf auf.In one embodiment, at least one underside of the foot profile has an arcuate profile in cross section.
Insbesondere bei Jalousien, welche in ein Isolierglas integriert werden, ist weiterhin zu berücksichtigen, dass bei einer solchen Anordnung das Fußprofil oftmals auf dem unteren Bereich eines zwischen den Scheiben angeordneten Rahmens aufliegt. Die Abrundung bzw. der kreisbogenförmige Verlauf erleichtert hier die Verschenkung des Fußprofils.In particular in the case of blinds which are integrated into an insulating glass, it must also be taken into account that with such an arrangement the foot profile often rests on the lower region of a frame arranged between the panes. The rounding or the circular arc shape makes it easier to give away the foot profile.
Bevorzugt entspricht der Radius des kreisbogenförmigen Verlaufs der Hälfte des Abstands zwischen den Leiterkordeln.The radius of the circular arc-shaped course preferably corresponds to half the distance between the conductor cords.
In einer weiteren bevorzugten Ausgestaltung erstreckt sich der kreisbogenförmige Verlauf sich bevorzugt über mindestens 180 Grad zuzüglich des maximalen Schwenkwinkels der Lamellen, weiter bevorzugt über mindestens 180 Grad zuzüglich des Doppelten des maximalen Schwenkwinkels der Lamellen.In a further preferred embodiment, the circular arc-shaped course preferably extends over at least 180 degrees plus the maximum swivel angle of the slats, more preferably over at least 180 degrees plus twice the maximum swivel angle of the slats.
Der im Querschnitt kreisbogenförmige Verlauf erstreckt sich bevorzugt in Längsrichtung des Fußprofils zumindest über einen Teilabschnitt des Fußprofils. Diese weist daher bevorzugt zumindest einen teilkreiszylinderförmigen Abschnitt auf.The circular arc in cross section preferably extends in the longitudinal direction of the foot profile at least over a portion of the foot profile. This therefore preferably has at least one part-circular cylindrical section.
Besonders bevorzugt erstreckt sich der kreisbogenförmige Verlauf in Längsrichtung des Fußprofils über die gesamte Länge des Fußprofils.The circular arc-shaped course particularly preferably extends in the longitudinal direction of the foot profile over the entire length of the foot profile.
In einer Ausführungsform beträgt der Abstand des Gewichtsschwerpunktes von der Schwenkachse mindestens 20% und vorzugsweise mindestens 40% des halben Abstandes zwischen den Angriffspunkten der äußeren und inneren Leiterbänder des Fußprofils. Je nach Bauart können die Angriffspunkte unabhängig von der Stellung des Fußprofils dieselben sein, oder sie können entlang eines Angriffsbereichs wandern.In one embodiment, the distance of the center of gravity from the pivot axis is at least 20% and preferably at least 40% of half the distance between the points of attack of the outer and inner conductor strips of the foot profile. Depending on the design, the points of attack can be the same regardless of the position of the foot profile, or they can move along an area of attack.
Die Angriffspunkte in der Ausgangsstellung können aber müssen nicht den Fixierungspunkten der Leiterbänder an dem Fußprofil entsprechen. Auch ein Umlenkungspunkt kann den Angriffspunkt darstellen.The points of attack in the starting position, however, do not have to correspond to the fixing points of the conductor strips on the foot profile. A redirection point can also represent the point of attack.
In einer Ausführungsform handelt es sich bei dem Fußprofil um ein Profilelement, das mit einem Gewichtskörper beladen ist, der eine höhere Dichte als das Profilelement hat, wobei der Gewichtskörper nicht in der Schwenkachse des Profilelements angeordnet ist. Die Anordnung des Gewichtskörpers relativ zur Schwenkachse kann wie oben beschrieben sein.In one embodiment, the foot profile is a profile element that is loaded with a weight body that has a higher density than the profile element, the weight body not being arranged in the pivot axis of the profile element. The arrangement of the weight body relative to the pivot axis can be as described above.
In einer Ausführungsform wird der Gewichtskörper vollständig von dem Profilelement kaschiert. Dies lässt eine optisch ansprechende Gestaltung zu.In one embodiment, the weight body is completely covered by the profile element. This allows a visually appealing design.
In einer Ausführungsform handelt es sich bei dem Fußprofil um ein stranggepresstes Profilelement, an welchem bevorzugt die Leiterkordeln und/oder ein Zugband fixiert sind. Das Profil des Profilelementes bildet bevorzugt einen Abrollbereich, auf welchem das Fußprofil bei einem Verschwenken auf den Leiterkordeln abrollt. Das Profil des Profilelementes ist bevorzugt so ausgestaltet, dass ein Zugband, welches bevorzugt an der Schwenkachse mit dem Fußprofil verbunden ist oder an der Schwenkachse umgelenkt wird, bei einem Verschwenken nicht durch andere Bereiche des umgelenkt wird. Bevorzugt ist das Profilelement einstückig ausgeführt.In one embodiment, the foot profile is an extruded profile element, to which the conductor cords and / or a drawstring are preferably fixed. The profile of the profile element preferably forms a rolling area, on which the foot profile rolls when pivoted on the conductor cords. The profile of the profile element is preferably designed so that a tension band, which preferably on the pivot axis with the foot profile is connected or is deflected at the pivot axis, is not deflected by other regions of the when pivoting. The profile element is preferably made in one piece.
In einer Ausführungsform handelt es sich bei dem Fußprofil um ein asymmetrisch ausgeführtes Profilelement, dessen Gewichtsschwerpunkt nicht im Formschwerpunkt liegt. Beispielsweise kann vorgesehen sein, dass das Profilelement wenigstens einen massiv ausgeführten Bereich und wenigstens einen Hohlraum aufweist, wobei der massiv ausgeführte Bereich und der Hohlraum asymmetrisch über den Querschnitt verteilt sind.In one embodiment, the foot profile is an asymmetrically designed profile element, the center of gravity of which is not in the center of gravity of the shape. For example, it can be provided that the profile element has at least one solid area and at least one cavity, the solid area and the cavity being asymmetrically distributed over the cross section.
Bei der Jalousie kann es sich sowohl um eine elektrisch als auch um eine manuell betätigbare Jalousie handeln.The blind can be an electrically as well as a manually operated blind.
In einer Ausführungsform weist die Jalousie neben den Leiterbändern ferner wenigstens ein Zugband auf, das vorzugsweise an der Schwenkachse mit dem Fußprofil verbunden ist oder an der Schwenkachse umgelenkt wird. Dies ist bei vielen Raffstores der Fall.In one embodiment, in addition to the conductor strips, the blind also has at least one tension strip, which is preferably connected to the base profile on the pivot axis or is deflected at the pivot axis. This is the case with many venetian blinds.
In einer Ausführungsform weist das Fußprofil wenigstens eine vorzugsweise keilförmige Einformung für die Zugbänder auf, die von der Oberseite des Fußprofils bis zur Schwenkachse reicht. So kann erreicht werden, dass die Schwenkbewegung des Fußprofils nicht durch ein Umlenken des Zugbandes behindert wird.In one embodiment, the foot profile has at least one preferably wedge-shaped indentation for the drawstrings, which extends from the top of the foot profile to the pivot axis. In this way it can be achieved that the pivoting movement of the foot profile is not impeded by a deflection of the drawstring.
In einer Ausführungsform sind die Leiterbänder und gegebenenfalls auch Zugbänder an demselben Punkt mit dem Fußprofil verbunden, werden aber jeweils an unterschiedlichen Stellen umgelenkt.In one embodiment, the conductor strips and possibly also drawstrings are connected to the foot profile at the same point, but are deflected at different points in each case.
In einer Ausführungsform ist das Fußprofil im Querschnitt insgesamt rund oder oval. Auch ein generell rechteckiges Fußprofil mit halbkreisförmigen kurzen (vorderen und hinteren) Kanten kann bevorzugt sein.In one embodiment, the foot profile is round or oval in cross section. A generally rectangular foot profile with semicircular short (front and rear) edges can also be preferred.
Die Angriffspunkte der Zugbänder können am Umfang des Fußprofils liegen.The points of application of the drawstrings can lie on the circumference of the foot profile.
In einer Ausführungsform weist die Jalousie eine Antriebsmechanik zum Bewegen der Jalousie durch Betätigung des Zugbandes und der Leiterkordeln auf, wobei das Verfahren des Jalousie in vertikaler Richtung durch eine Betätigung des Zugbandes erfolgt.In one embodiment, the blind has a drive mechanism for moving the blind by actuating the drawstring and the conductor cords, the blind being moved in the vertical direction by actuating the drawstring.
Bevorzugt sind die Leiterkordeln über ein zusammen mit dem Zugband betätigbares Mitnehmerelement geführt sind, so dass die Verstellung der Lamellen in die jeweilige Richtung zu Beginn einer Fahrt über die Mitnahme der Leiterkordel realisiert wird.The conductor cords are preferably guided over a driver element which can be actuated together with the drawstring, so that the slats are adjusted in the respective direction at the beginning of a journey by driving the conductor cord.
Alternativ oder zusätzlich können die Leiterkordeln oberhalb der letzten Lamelle miteinander in Verbindung stehen und über eine Rolle geführt sein, so dass die Verstellung der Lamellen in die jeweilige Richtung durch eine Drehbewegung der Rolle erfolgt. Bevorzugt handelt es sich bei der Rolle um ein Mitnehmerelement, auf welchem die Kordel gleitend aufliegt und durch Reibung mitnehmbar ist.Alternatively or additionally, the conductor cords can be connected to one another above the last lamella and be guided over a roller, so that the lamella is adjusted in the respective direction by a rotary movement of the roller. The roller is preferably a driver element on which the cord rests slidingly and can be taken along by friction.
Im Falle der Verstellung der Lamellen durch eine solche Rolle ändert sich der Abstand der Leiterkordeln in einem oberen Bereich bei einer Schwenkbewegung der Lamellen nicht. Daher hat die Abrundung bzw. der kreisbogenförmige Verlauf des Fußprofils den besonderen Vorteil, dass der Abstand auch im unteren Bereich gleich bleibt.In the event of the slats being adjusted by such a roller, the spacing of the conductor cords does not change in an upper region when the slats are pivoted. Therefore, the rounding or the circular arc shape of the foot profile has the particular advantage that the distance remains the same even in the lower area.
Bevorzugt weist die Rolle den gleichen Radius auf wie der kreisbogenförmige Verlauf des Fußprofils.The roller preferably has the same radius as the circular profile of the foot profile.
In einer Ausführungsform weist die Jalousie einem Motor zum Bewegen der Jalousie, und/oder Anschlüsse zur Verbindung mit einer externen Steuerung und/oder Stromquelle auf.In one embodiment, the blind has a motor for moving the blind, and / or connections for connection to an external controller and / or power source.
Bei dem Profilelement kann es sich beispielsweise um einen vorzugsweise extrudierten Strang handeln. Als Materialien kommen beispielsweise Kunststoffe oder Leichtmetalle wie Aluminium in Betracht. Bei dem Gewichtskörper kann es sich um eine in dem Strang aufgenommene Stange handeln. Als Materialien kommen beispielsweise dichtere Metalle wie Eisen in Betracht.The profile element can, for example, be a preferably extruded strand. Examples of suitable materials are plastics or light metals such as aluminum. The weight body can be a rod received in the strand. For example, denser metals such as iron can be considered as materials.
Die erfindungsgemäße Jalousie ist bevorzugt in ein Isolierglas integrierbar.The blind according to the invention can preferably be integrated into an insulating glass.
Die vorliegende Erfindung umfasst daher weiterhin die Verwendung einer Jalousie, wie sie oben beschrieben wurde, in einem Isolierglas mit mindestens zwei durch Abstandshalter voneinander getrennten Scheiben, wobei die Jalousie zwischen den Scheiben des Isolierglases angeordnet ist.The present invention therefore furthermore includes the use of a blind, as described above, in an insulating glass with at least two panes separated by spacers, the blind being arranged between the panes of the insulating glass.
Die vorliegende Erfindung umfasst weiterhin ein Bauset für eine ins Isolierglas integrierte Jalousie, wobei das Bauset eine Jalousie, wie sie oben beschrieben wurde, und Abstandshalter für die Scheiben des Isolierglases umfasst.The present invention further comprises a construction set for a blind integrated in the insulating glass, the construction set comprising a blind as described above and spacers for the panes of the insulating glass.
Die vorliegende Erfindung umfasst daher weiterhin ein Fenster mit einer in das Isolierglas des Fensters integrierten Jalousie, wie sie oben beschrieben wurde.The present invention therefore furthermore comprises a window with a blind integrated into the insulating glass of the window, as described above.
Weitere Einzelheiten und Vorteile der Erfindung ergeben sich aus den nachfolgend anhand der Figuren beschriebenen Ausführungsbeispielen. In den Figuren zeigen:
- Figur 1:
- eine Jalousie aus dem Stand der Technik in offener und geschlossener Stellung;
- Figur 2:
- eine Ausführungsform einer erfindungsgemäßen Jalousie in offener und geschlossener Stellung; und
- Figur 3:
- eine weitere Ausführungsform einer erfindungsgemäßen Jalousie in offener Stellung.
- Figure 1:
- a blind from the prior art in the open and closed position;
- Figure 2:
- an embodiment of a blind according to the invention in the open and closed position; and
- Figure 3:
- a further embodiment of a blind according to the invention in the open position.
Er umfasst wie auch aus dem Stand der Technik bekannte Jalousien (
Die Leiterbänder 3 und 4 sind an dem gemeinsamen Fixierungspunkt 6 mit dem Fußprofil 5 verbunden, bei der es sich um ein stranggepresstes, rundes Profilelement handelt. Der Fixierungspunkt 6 liegt mittig an der Unterseite Profilelements 5. Die äußeren und inneren Leiterbänder 3 und 4 verlaufen ausgehend vom Fixierungspunkt 6 entlang dem Umfang des Profilelements nach oben und werden kontinuierlich umgelenkt. Der Fixierungspunkt 6 kann auch so ausgeführt sein, dass die äußeren und inneren Leiterbänder (Leiterkordeln) 3 und 4 am Fixierungspunkt 6 durch eine Bohrung bzw. Öffnung ins Profilinnere geführt wird und dort durch z.B. einen Knoten fixiert wird. Ausgehend von äußeren und inneren Umlenkungspunkten 7 und 8 laufen die Leiterbänder 3 und 4 parallel und senkrecht nach oben. Oberhalb der Umlenkungspunkte 7 und 8 berühren den Leiterbänder 3 und 4 das Profilelement 5 nicht mehr.The conductor strips 3 and 4 are connected at the
Das Profilelement rollt durch diese Ausgestaltung bei einer Schwenkbewegung mit seinem Umfang auf den Leiterkordeln ab. Durch den im Querschnitt kreisbogenförmigen Verlauf des Umfangs des Profilelementes ändert sich hierbei trotz der Schwenkbewegung der Abstand der Leiterkordeln oberhalb der Umlenkungspunkte 7 und 8 nicht.With this configuration, the profile element rolls with its circumference on the conductor cords during a pivoting movement. Due to the circular cross section of the circumference of the profile element, the distance of the conductor cords above the deflection points 7 and 8 does not change despite the pivoting movement.
Weiterhin wird durch diese Ausgestaltung für den Fall, dass das Fußprofil aufliegt, dennoch ein Verschwenken ermöglicht.Furthermore, this configuration nevertheless enables pivoting in the event that the foot profile rests.
Das Profilelement 5 ist asymmetrisch ausgeführt und weist im Querschnitt einen massiv ausgeführten Bereich 9 und einen Hohlraum 10 auf. Der massiv ausgeführte Bereich 9 liegt oberhalb der Schwenkachse 11, die im Formschwerpunkt des Profilelements liegt, hier im Mittelpunkt des Kreises. Der Hohlraum 10 liegt unterhalb der Schwenkachse 11. Nach den beiden Seiten, also nach vorne und hinten ist das Profilelement 5 im Querschnitt symmetrisch. So liegt der Gewichtsschwerpunkt 12 des Profilelements 5 nicht in der Schwenkachse 11, sondern senkrecht darüber.The
Bei einem Verschwenken der Lamellen aus der offenen Stellung (
Durch diese Gewichtsverteilung wird bei gegebenem Gesamtgewicht des Profilelements 5 mehr nach unten gerichtete Zugkraft auf die äußeren Leiterbänder 3 ausgeübt, was das vollständige Schließen aller Lamellen 2 begünstigt. Beispielsweise kann die Gewichtsverteilung vorne/hinten von 50/50 in der offenen Stellung (
Diese Jalousie ist auch sonst vom Grundaufbau ähnlich der Jalousie gemäß
Nämlich umfasst die Jalousie 1 gemäß
Die Zugbänder 13 sind mittig an der Unterseite des Profilelements 5 am Profilelement fixiert. Der Fixierungspunkt 6 entspricht demjenigen der äußeren und inneren Leiterbänder 3 und 4. Von diesem Fixierungspunkt verläuft es in offener Stellung senkrecht und parallel zu den Leiterbänder 3 und 4 bzw. in geschlossener Stellung schräg nach oben bis zu einem Umlenkungspunkt, der dem Formschwerpunkt und gleichzeitig der Schwenkachse 11 entspricht. Ausgehend vom Umlenkungspunkt verläuft es unabhängig von der Stellung der Lamellen 2 und der Profilelements 5 senkrecht und parallel zu den Leiterbänder 3 und 4 nach oben.The
Oberhalb des Umlenkungspunktes und damit der Schwenkachse 11 weist das Profilelement 5 eine Einformung 14 auf, die sich senkrecht bis zur Oberseite des Profilelements 5 erstreckt und sich dabei keilförmig erweitert. Diese Ausnehmung 14 verhindert, dass die Schwenkbewegung des Fußprofils 5 durch ein Umlenken der Zugbänder 13 behindert wird.Above the deflection point and thus the
Das Profilelement 5 ist im Querschnitt anders aufgebaut als das der Ausführungsform gemäß
Folglich verschiebt sich hier ebenfalls, wie bereits im Zusammenhang mit der Ausführungsform der
Die erfindungsgemäße Jalousie weist bevorzugt mindestens einen Motor auf, welcher ggf. über ein Getriebe eine Jalousiemechanik antreibt, welche zum hoch- und herunterfahren der Jalousie eingesetzt wird und die Verstellung der Lamellen vornimmt.The venetian blind according to the invention preferably has at least one motor, which, if necessary, drives a venetian blind mechanism via a gear mechanism, which and lowering the blinds and adjusting the slats.
In einem möglichen Ausführungsbeispiel wird die Verstellung der Lamellen über die Mitnahme der Leiterkordeln jeweils zu Beginn einer Fahrt realisiert. Die Bewegung der Jalousie sowie die Verstellung der Lamellen kann allein über die Ansteuerung eines einzigen Motors erfolgen.In one possible exemplary embodiment, the slats are adjusted by taking the conductor cords with them at the beginning of each journey. The movement of the blind and the adjustment of the slats can only be done by controlling a single motor.
Der Motor, ggf. das Getriebe und die Jalousiemechanik sind bevorzugt in einem Kopfkasten angeordnet, von welchem aus sich die Jalousie nach unten erstreckt.The motor, possibly the transmission and the blind mechanism are preferably arranged in a head box, from which the blind extends downward.
Bevorzugt ist die Jalousie dabei im Isolierglas eines Fensters verbaubar. Dabei wird der Kopfkasten zusammen mit umlaufenden Abstandshaltern zwischen zwei Scheiben des Fensters angeordnet, welche leicht über die Abstandshalter und den Kopfkasten überstehen. Dann wird eine umlaufende Dichtung angebracht, beispielsweise durch Vergießen mit einer Dichtmasse. Der das Jalousiesystem aufnehmende Kopfkasten und die umlaufenden Abstandshalter könne z. B. als Montage-Set an Isolierglashersteller oder Fensterbauer geliefert werden, welche diese mit den Glasscheiben verbinden, abdichten und in die Fenster einbauen.The blind can preferably be installed in the insulating glass of a window. The head box is arranged together with circumferential spacers between two panes of the window, which protrude slightly above the spacers and the head box. A circumferential seal is then attached, for example by casting with a sealing compound. The head box receiving the blind system and the circumferential spacers could, for. B. can be supplied as a mounting set to insulating glass manufacturers or window manufacturers who connect them to the glass panes, seal them and install them in the windows.
Claims (14)
- Blind with a plurality of slats that are reversibly pivotable from a horizontal initial position to a closed position, with at least one pair of outer and inner ladder tapes and with a bottom profile that is jointly pivotable with the slats, wherein the outer and inner ladder tapes are connected to the slats and to the bottom profile such that these can be pivoted by operation of the ladder tapes, wherein the bottom profile is formed such that its weight centre of gravity lies in the initial position above its pivot axis and when pivoted into the closed position tilts to the front, wherein the bottom profile rolls on the ladder cords during pivoting of the slats, characterised in that the bottom profile, at least in the region in which it rolls on the ladder cords, has a curve in the shape of a circular arc in cross section, the centre of which corresponds to the pivot axis of the bottom profile.
- Blind according to claim 1, characterised in that at least an underside of the bottom profile has a curve in the shape of a circular arc in cross section.
- Blind according to claim 2, wherein the curve in the shape of a circular arc extends over at least 180 degrees plus the maximum pivot angle of the slats, preferably over at least 180 degrees plus double the maximum pivot angle of the slats.
- Blind according to any one of the preceding claims, characterised in that the distance of the weight centre of gravity from the pivot axis is at least 20% and preferably at least 40% of half the distance between the points of application of the outer and inner ladder tapes on the bottom profile.
- Blind according to any one of the preceding claims, characterised in that the bottom profile is a profile element that is loaded with a weight body, which has a higher density than the profile element, wherein the weight body is not arranged in the pivot axis of the profile element, wherein the weight body is preferably completely concealed by the profile element.
- Blind according to any one of the preceding claims, characterised in that the bottom profile is an extruded profile element, to which preferably the ladder cords and/or a pull tape are fixed.
- Blind according to any one of the preceding claims, characterised in that the bottom profile is a profile element executed asymmetrically in cross section, the weight centre of gravity of which does not lie in the shape centre of gravity.
- Blind according to any one of the preceding claims, characterised in that as well as the ladder tapes the blind also has at least one pull tape, which is preferably connected to the bottom profile at the pivot axis or is deflected at the pivot axis.
- Blind according to claim 8, characterised in that the bottom profile has at least one preferably V-shaped recess for the pull tapes, which extends from the upper side of the bottom profile up to the pivot axis.
- Blind according to claim 8 or 9, with a drive mechanism for moving the blind by operation of the pull tape and the ladder cords, wherein the movement of the blind in a vertical direction takes place by operation of the pull tape, wherein preferably the ladder cords are guided via a carrier element operable together with the pull tape, so that the adjustment of the slats in the respective direction is realised at the beginning of travel via the entrainment of the ladder cords, and/or wherein the ladder cords are connected to one another above the last slat and are guided via a roll, so that the adjustment of the slats in the respective direction takes place by a rotary movement of the roll.
- Blind according to any one of the preceding claims, with a motor for moving the blind, and/or with terminals for connection to an external controller and/or power source.
- Use of a blind according to any one of the preceding claims in insulating glass with at least two panes separated from one another by spacers, wherein the blind is arranged between the panes of insulating glass.
- Assembly kit for a blind integrated into insulating glass, wherein the assembly kit comprises a blind according to any one of the preceding claims and spacers for the panes of insulating glass.
- Window with a blind integrated into the insulating glass of the window according to any one of the preceding claims.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017003174.6A DE102017003174A1 (en) | 2017-03-31 | 2017-03-31 | Venetian blind with a foot profile with asymmetric weight distribution |
Publications (2)
Publication Number | Publication Date |
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EP3382136A1 EP3382136A1 (en) | 2018-10-03 |
EP3382136B1 true EP3382136B1 (en) | 2019-12-18 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP18163552.5A Active EP3382136B1 (en) | 2017-03-31 | 2018-03-23 | Blind with a bottom profile with asymmetric weight distribution |
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EP (1) | EP3382136B1 (en) |
DE (1) | DE102017003174A1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1898940A (en) * | 1932-10-12 | 1933-02-21 | Western Venetian Blind Co | Venetian blind bottom rail construction and hanging |
DE1023214B (en) * | 1953-08-21 | 1958-01-23 | Nyge Verken Ab | Slat curtain with ribbon conductors to adjust the slat position |
CN2623860Y (en) * | 2003-04-22 | 2004-07-07 | 金仁哲 | Louver in hollow glass |
US20090294076A1 (en) * | 2008-05-27 | 2009-12-03 | Hunter Douglas Inc. | Bottom rail anchor for cord ladder |
CN101994476A (en) * | 2009-08-19 | 2011-03-30 | 常熟欧泰克建筑节能科技有限公司 | Louver in hollow glass |
-
2017
- 2017-03-31 DE DE102017003174.6A patent/DE102017003174A1/en not_active Withdrawn
-
2018
- 2018-03-23 EP EP18163552.5A patent/EP3382136B1/en active Active
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EP3382136A1 (en) | 2018-10-03 |
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