EP3469179B1 - Sectional door and guide rail arrangement - Google Patents
Sectional door and guide rail arrangement Download PDFInfo
- Publication number
- EP3469179B1 EP3469179B1 EP17727103.8A EP17727103A EP3469179B1 EP 3469179 B1 EP3469179 B1 EP 3469179B1 EP 17727103 A EP17727103 A EP 17727103A EP 3469179 B1 EP3469179 B1 EP 3469179B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- door leaf
- segment
- section
- guide rail
- leaf element
- 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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- 230000005484 gravity Effects 0.000 claims description 30
- 230000007704 transition Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/48—Wings connected at their edges, e.g. foldable wings
- E06B3/485—Sectional doors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/16—Suspension arrangements for wings for wings sliding vertically more or less in their own plane
- E05D15/165—Details, e.g. sliding or rolling guides
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/16—Suspension arrangements for wings for wings sliding vertically more or less in their own plane
- E05D15/24—Suspension arrangements for wings for wings sliding vertically more or less in their own plane consisting of parts connected at their edges
- E05D15/244—Upper part guiding means
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/684—Rails; Tracks
Definitions
- the invention relates to a sectional door with a closing position closing a wall opening, in which it is arranged approximately parallel to the direction of gravity, along a path predetermined by a guide rail arrangement into an opening position, in which it is arranged essentially overhead, and a plurality with respect to door leaf elements which can be tilted relative to one another and approximately perpendicular to the direction of gravity, the guide rail arrangement comprising at least one guide rail with at least one vertical segment extending approximately in the direction of gravity, an overhead segment arranged overhead and an arc segment connecting the vertical segment and the overhead segment has, and a guide rail arrangement for such a sectional door.
- Gates of this type are used, for example, in the form of garage doors, factory gates or hall gates.
- the door leaf is usually formed in several parts in the manner described above, it being aligned in the closed position approximately in a vertical plane and encircled by a frame frame.
- the door leaf is usually along one through the guide rail arrangement predetermined path moved in an overhead position.
- the door leaf is usually arranged approximately parallel to the floor and approximately perpendicular to the wall opening to be closed with the door leaf in a horizontal plane.
- the movement of the door leaf is guided by means of the guide rail arrangement, which in the closed position of the door leaf runs approximately parallel to the lateral edges of the door leaf approximately in the direction of gravity, in the open position of the door leaf roughly parallel to the lateral edges of the door leaf and is arranged overhead Vertical segments and the arc segments connecting the overhead segments.
- the vertical segments running approximately in the vertical direction are usually attached to the frame spars fastened in the region of the reveal of the wall opening to be closed with the door leaf.
- the individual door leaf elements are first moved upwards along the vertical segments arranged in the direction of gravity, then deflected along the arc segment in order finally to be transferred into an overhead position predetermined by the overhead segments.
- This movement is made possible in the area of the arch segments by the fact that the door leaf has a plurality of door leaf elements which are arranged one behind the other in the direction of the door leaf movement and can be tilted relative to one another with respect to the tilt axes which are perpendicular to the direction of movement.
- Two door leaf elements arranged one above the other are connected to one another in a connection area.
- the door leaf elements can be connected to one another, for example, by a special configuration of the mutually adjacent edges of the door leaf elements arranged one above the other. However, it can also take place by means of hinge-like connection arrangements arranged on the door leaf elements.
- the invention has for its object to provide a sectional door and a guide rail arrangement for a sectional door, so that the risk of damage to the door leaf is reduced even with long-term use.
- the invention is based on the finding that, by designing the overhead segment according to the invention, damage to the door leaf elements can be counteracted by the buckling which occurs when using conventional sectional doors and is described below.
- the middle door leaf element runs after the upper door leaf element when the door leaf moves from the closed position into the open position.
- the middle door leaf element is at its lower edge in the direction of gravity with an upper edge in the direction of gravity connected to the lower door leaf element.
- the lower door leaf element follows the middle door leaf element.
- the three door leaf elements can each be tilted relative to one another with respect to a tilt axis that runs approximately parallel to the adjacent edges of adjacent door leaf elements.
- the inside of the door leaf or the inside of a door leaf element is the side of the door leaf or door leaf element that faces the space to be closed with the door leaf.
- ⁇ denotes an angle which is enclosed by two planes E1 and E2, which are each enclosed parallel to the inner sides of adjoining door leaf elements.
- the connection of adjacent door leaf elements of sectional doors is now usually designed such that the angle ⁇ can be in the range between 0 and 180 °. This ensures that, on the one hand, the door leaf elements can be transferred from the open position to the closed position and vice versa along the arch segment.
- the door leaf prevents the door leaf from being pressed in from the outside. This ensures that the space to be locked with the door leaf is securely closed. It also prevents body parts, in particular fingers, from being squeezed into the gap between two adjacent door leaf elements when the door leaf touches the outside.
- the condition that the angle ⁇ , which is enclosed by the inner sides of adjacent door leaf elements, is not greater than 180 ° can be achieved, for example, by a special design of mutually facing edges of adjacent door leaf elements, such as in FIG EP 0 304 642 A or the EP 0 370 376 A is described, or guaranteed by a special configuration of the connection arrangements connecting the adjacent edges.
- Such an overturning can occur in conventional sectional doors with conventional guide rail arrangements in the following case:
- the upper and middle door leaf elements are said to have already passed through the arch segment and to have run into the overhead segment.
- the upper edge of the lower door leaf element is said to have just passed through the arch segment.
- the upper edge of the lower door leaf element is in Compared to the plane in which the upper door leaf element and the middle door leaf element are arranged, raised.
- the lower edge of the middle door leaf element is then also raised.
- the lower edge of the central door leaf element is then raised out of the plane in which the upper door leaf element and the upper edge of the central door leaf element are arranged.
- the angle ⁇ between the inner surface of the upper door leaf element and the inner surface of the central door leaf element is thus greater than 180 °.
- the door leaf is therefore buckled. This creates stresses in the connection area between the upper and the middle door leaf element. In the long run, this leads to damage to the door leaf elements and / or the connection arrangements.
- the raising of the upper edge of the lower door leaf element is due, among other things, to the fact that the guide arrangements guiding the door leaf elements, for example rollers, are arranged at a distance from the tilting axes of adjacent door leaf elements in the height direction of the door leaf elements which runs parallel to the direction of gravity in the closed position of the door leaf.
- the guide arrangements have rollers with roller axes A and the door leaf elements are connected to one another by hinges with hinge pivot points D.
- S is an intersection of a straight line that runs parallel to the door leaf element through the hinge pivot point D with a straight line that runs perpendicular to the door leaf element and through the roller axis A.
- the connecting line SAT is therefore equal to the projection of the connecting line THERE on a straight line perpendicular to the surface of the door leaf element to which the roller is attached and which runs through the roller axis A. Then there are the connecting lines SAT and SD the cathets and the connecting line THERE is the hypotenuse of the right triangle ⁇ SDA. The lengths of the sides of the triangle are denoted by d DA , d SD and d SA , respectively. If the roller is arranged in the vertical segment or at a distance from the arc segment in the overhead segment, the distance of the upper edge of each door leaf element from the guide rail arrangement is determined by d SA since SAT stands vertically on the door leaf element.
- the present invention is based on the following finding:
- the increase ⁇ h of the lower edge of the middle door leaf element in comparison to the upper edge of the middle door leaf element in the direction of gravity is greatest when the lower door leaf element has just left the arch segment.
- ⁇ h preferably designates the maximum increase resulting from the possible variations of d SA and d DA for the rollers attached to successive door leaf elements.
- the overhead segment has the kink section which rises from the arch area to the horizontal section and which is lowered relative to the horizontal section in such a way that it increases the elevation ⁇ h of the lower edge of the middle door leaf element compared to the upper edge of the middle door leaf element.
- the kink section preferably has at least the length ⁇ x.
- the horizontal section is furthermore preferably offset from the end of the arc region adjoining the kink section by at least ⁇ h in the direction of gravity upwards. In this way, the lower edge of the central door leaf element is always arranged below or at the same height as the upper edge of the central door leaf element. Then the angle ⁇ between the middle and the upper door leaf element is always in the range between 0 and 180 °.
- the kink section is straight.
- the horizontal section is also linear in accordance with the invention. However, it is not limited to this.
- the height H in the direction of gravity of a door leaf element trailing a leading door leaf element can be selected such that the upper edge of the trailing door leaf element, while its lower edge during the transition of the door leaf from the closed position into the open position is arranged in the region of the vertical segment, can also be arranged in the region of the vertical segment, the arc segment or the kink section. If the lowering of the lower edge of the kink section compared to the horizontal section is adjusted accordingly depending on the radius of the arc segment and the height H, it can always be ensured in this way that the lower edge of the leading door leaf element is always below the upper edge of the leading door leaf element is arranged.
- the height H of the trailing door leaf element is set smaller than the distance between the end region of the vertical segment adjoining the arch segment and the end region of the horizontal segment adjoining the kink segment. It is thus avoided that, as is the case with conventional guide rail arrangements, the lower edge of the trailing door leaf element is arranged in the region of the vertical segment and, at the same time, the upper edge of the trailing door leaf element is arranged in the horizontal section, which can result in an overturning.
- a sectional door according to the invention is preferably designed such that the kink section has a length in the range from 100 mm to 700 mm, preferably in the range from 150 mm to 650 mm and particularly preferably in the range from 200 mm to 580 mm.
- the kink section includes an angle ⁇ with an extension line of the horizontal section, ⁇ between 0.8 ° and 5.7 °, preferably between 0.88 ° and 3.8 ° and particularly preferably between 0.99 ° and 2, 9 °.
- the kink section can drop downward in the direction of gravity by a maximum of 15 mm, preferably a maximum of 10 mm and particularly preferably a maximum of 8 mm.
- the angle ⁇ is too small or the drop in the buckling section in the direction of gravity is too small, the overturning of the door leaf elements cannot be counteracted to a satisfactory extent. If the angle ⁇ is too large, an edge can be formed in the transition region between the kink section and the horizontal section, which has a disruptive effect on the uniform movement of the door leaf. This can lead to disturbing noise when the door leaf moves from the open to the closed position and vice versa. In addition, undesirable forces can arise between the neighboring door leaf elements. If the articulated section has a length that is greater than 700 mm, or if the articulated section is designed such that it begins to drop more than 15 mm from the horizontal section, this can have a disadvantageous effect on the installation situation of the sectional door.
- the kink section can merge into the horizontal section in an intermediate region adjacent to the horizontal section in an arc shape. This allows a more even transition of the door leaf elements from the kink section to the horizontal section. This is particularly desirable at large angles ⁇ . Thus, for example, an undesirable noise development, which is caused by a kink formed in the intermediate area between the kink section and the horizontal section, or a mechanical load on the connection of successive door leaf elements can be avoided.
- the door leaf elements can be connected to one another by connection arrangements such that they can be tilted.
- the connection arrangements can have hinges which are arranged on the inside of the door leaf.
- the invention is not limited to this embodiment.
- the door leaf elements can also be tilted towards one another by a special design of the adjoining upper and lower edges of adjacent door leaf elements.
- the door leaf can be guided along its predetermined path by guide arrangements arranged on the door leaf and interacting with the guide rail arrangement.
- the guide elements can have rollers.
- the guide arrangements can be arranged in the area of the hinges on the upper edge of a door leaf element.
- the guide arrangements or rollers can be attached to the door leaf elements separately from the connection arrangements or hinges.
- the hinges can also be designed as hinge roller holders holding the rollers. In this case, the rollers are attached directly to the hinge using the hinge roller holder.
- a further embodiment of a sectional door according to the invention is characterized in that the roller can have a roller axis A and the hinge can have a hinge pivot point D and a length of a projection of a connecting line of the roller axis A with the hinge pivot point D, THERE , has a length d SA on a straight line running orthogonally to the door leaf element having the roller, and the kink section starting from the horizontal section at least d DA - d SA falls down, where d DA is a length of the connecting line THERE is.
- the kink section starting from the horizontal section, falls at least by (d DA - d SA ) max downwards from its end adjacent to the arch section, the lower edge of the central door leaf element is always arranged below the upper edge of the central door leaf element, and it comes not to buckle.
- (d DA - d SA ) max denotes the maximum difference for the door leaf of a sectional door according to the invention, which results above taking into account the variations in the roller mounting.
- the idea of the invention can also be used for side sectional doors in which the guide rails are arranged overall in horizontal planes and the tilting axes run approximately in the direction of gravity, in which case the articulated sections also extend from the arch segment into the space to be closed with the door leaf.
- Figure 1a shows a section of a conventional sectional door 1 during the transition from the closed position to the open position.
- the illustration shows the overhead segment 40 of a guide rail 30 of a guide rail arrangement 20.
- the figure shows three door leaf elements 12, 14, 16 arranged one behind the other.
- the door leaf elements are referred to as upper door leaf element 16, middle door leaf element 14 and lower door leaf element 12.
- the middle door leaf element 14 runs after the upper door leaf element 16.
- the lower door leaf element 12 runs the middle door leaf element 14 to.
- the upper door leaf element 16 borders on its lower edge 16b in a transition region to the upper edge 14a of the central door leaf element 14.
- the middle door leaf element 14 borders on its lower edge 14b in a transition region to the upper edge 12a of the lower door leaf element 12.
- the door leaf elements 12 and 14 can be connected via a connection arrangement 50.
- the connection arrangement 50 can have a hinge 52, for example.
- the door leaf elements 16, 14, 12 can be guided by guide arrangements 60 with respect to a guide rail 30.
- the guide arrangements 60 can have rollers 62. This case is in Figure 1a to 1c shown.
- the rollers 62 have roller axes A. In the present case, the rollers 62 are arranged on the upper edges 12a, 14a, 16a of the door leaf elements 12, 14, 16. But you are not limited to this arrangement.
- FIG 1a only the overhead segment 40 of the guide rail arrangement 20 is shown.
- the guide rail arrangement 20 also has a vertical segment 32 (see Figure 1b ) and an arc segment 34 connecting the vertical segment 32 and the overhead segment 40.
- the overhead segment 40 of a conventional sectional door 1 is designed essentially in a straight line.
- the overhead segment 40 is arranged approximately parallel to the horizontal direction HR.
- the space to be closed with the door leaf 10 is in Figure 1a arranged below and to the right of the door leaf elements 12, 14, 16.
- the door leaf elements 12, 14, 16 can be tilted relative to one another with respect to tilting axes that run parallel to one another and approximately perpendicular to the direction of gravity SR. If you designate the pivot points of the hinges with D, the tilt axes can e.g. correspond to the horizontal connecting lines of the hinge pivot points D.
- the distance between the hinge pivot D and the roller axis A is denoted by d DA .
- the intersection point S also lies on a straight line that is on the door leaf element 12, 14, 16 is vertical and runs through the roller axis A.
- the distance between the intersection S and the roller axis A, d SA can be used as the component of the connecting line THERE be understood perpendicular to the door leaf element 12, 14, 16.
- the connecting lines SD and SAT are perpendicular to each other.
- FIG. 1b shows a situation in which the upper edge 12a of the lower door leaf element 12 is arranged in the vertical segment 32 of the guide rail arrangement 20.
- the connecting line SAT is arranged parallel to the horizontal direction HR and perpendicular to the direction of gravity SR.
- the connecting line SAT perpendicular to the vertical segment 32 of the guide rail 30.
- the distance d SA thus specifies the distance of the upper edge 12a of the lower door leaf element 12 from the guide rail arrangement 20.
- the distance of the upper edge 12a of the lower door leaf element 12 from the guide rail arrangement 20 is thus greater at a time when the upper edge 12a of the lower door leaf element 12 runs into the overhead segment 40 than at the time when the upper edge 12a of the lower Door leaf element 12 is arranged in the vertical segment 32.
- E1 is a plane which is parallel to the surface of the central door leaf element 14 which faces the space to be closed with the door leaf 10.
- E2 denotes a plane which runs parallel to the surface of the upper door leaf element 16 which faces the space to be closed with the door leaf 10.
- the intersection angle of the planes E1 and E2 is also referred to as ⁇ .
- Adjacent door leaf elements 12, 14, 16 of sectional doors 1 are usually designed such that the angle ⁇ is in the range between 0 and 180 °. This ensures, on the one hand, that the door leaf elements 12, 14, 16 can be transferred along the curved segment 34 from the open position to the closed position and vice versa. On the other hand, this choice of the angle ⁇ prevents the door leaf 10 from being pressed in from the outside.
- the buckling is caused, among other things, by the fact that the hinge pivot point D is arranged in the thickness direction DR of the door leaf elements between the outer surface and the inner surface of the door leaf elements 12, 14, 16, and that the roller fastening is arranged below the hinge pivot point D. and is spaced from the door leaf elements 12, 14, 16.
- the arrangement of the hinge pivot D between the door leaf elements 12, 14, 16 in the thickness direction is therefore desirable in order to avoid that when the door leaf elements 12, 14, 16 transition from the open to the closed position and vice versa, a large gap between the adjoining lower ones and upper edges of adjacent door leaf elements 12, 14, 16, which creates the risk of body parts, especially fingers, being pinched.
- a spacing of the rollers 62 from the door leaf elements 12, 14, 16 is necessary in order to prevent the door leaf elements 12, 14, 16 from rubbing against a sealing arrangement arranged on the frame.
- the maximum increase ⁇ h max of the lower edge 14b of the middle door leaf element 14 compared to the upper edge 14a of the middle door leaf element 14 thus depends on the arrangement of the roller 62 and the arrangement of the hinge pivot point D.
- the height H of the individual door leaf elements 12, 14, 16 and the overall height of the sectional door 1 are decisive for the maximum increase ⁇ h max of the lower edge 14b of the middle door leaf element 14.
- FIG 4 An overhead segment 40 of a sectional door 1 according to the invention or a guide rail arrangement 20 according to the invention is shown.
- the overhead segment 40 has a horizontal section 44 and a kink section 42.
- the bent section 42 is connected to the curved segment 34 at its end region 41.
- the horizontal section 44 can run approximately parallel to the horizontal direction HR.
- the horizontal section 44 can, as it is in Figure 4 is shown to be rectilinear. However, it is not limited to this.
- the horizontal section 44 can further include an acute angle with the horizontal direction HR instead of its approximately parallel orientation to the horizontal direction HR.
- the kink section 42 slopes downward from an end 46 adjoining the horizontal section 44 towards the arch segment 34 (not shown).
- a specific example of the configuration of the bent section 42 of an overhead segment 40 of a sectional door 1 according to the invention or of a guide rail arrangement 20 according to the invention is given below.
- the distance d DA 43.51 mm
- the distance d SA 35.63 mm
- the embodiment of the in Figure 4 The overhead segment 40 shown is characterized in that the kink section 42 merges into the horizontal section 44 in an intermediate area 48 adjacent to the horizontal section 44.
- the arc has a radius R. This enables a more even transition of the door leaf elements 12, 14, 16 from the kink section 42 into the horizontal section 44. This can counteract, for example, undesired noise generation, which can be caused by a kink formed in the intermediate region 48 between the kink section 42 and the horizontal section 44. An additional mechanical load on the connection of successive door leaf elements 12, 14, 16 is counteracted.
- Figure 5 The illustration shown can be seen how the use of an overhead segment 40 of the sectional door 1 according to the invention or the Guide rail arrangement 20 according to the invention with a kink section 42 and a horizontal section 44 of the overturning of the door leaf elements 12, 14, 16 can be counteracted or this can even be prevented entirely.
- Figure 6 differs from that in Figure 1a shown situation in that instead of in Figure 1 overhead segment 40 running parallel to the horizontal direction HR, an overhead segment 40 according to the invention with a kink section 42 and a horizontal section 44 is used.
- the raising of the lower edge 14b of the central door leaf element 14 is greatest in an area in which the lower edge 14b of the central door leaf element 14 has just run out of the curved segment 34 of the guide rail 30.
- the overhead segment 40 is designed according to the invention with a kink section 42 which rises from the end region 41 adjoining the arch segment 34 in the direction of the horizontal section 44.
- the end region 41 of the kink section 42 adjoining the bottom segment 34 is therefore lowered by a height h in the direction of gravity SR compared to the end 46 of the kink section 42 adjoining the horizontal section 44.
- the kink section 42 thereby forms an angle ⁇ with the horizontal HR.
- the lower edge 14b of the central door leaf element 14 is lowered in the direction of gravity SR in a region of the guide rail arrangement 20 in which an increase in the lower edge 14b of the central door leaf element 14 would result in an overturning in a conventional sectional door.
- the lower edge 14b of the middle door leaf element 14 is then always arranged below or at the same height as the upper edge 14a of the middle door leaf element 14. It is thereby achieved that the angle ⁇ between the inner surface of the door leaf element 14 and the inner surface of the door leaf element 16 is always less than 180 °. This prevents the overturning occurring in conventional sectional doors 1.
- a sectional door according to the invention and a guide rail arrangement according to the invention for a sectional door are thus characterized in that the risk of damage to the door leaf is reduced even when used for a long time.
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Description
Die Erfindung betrifft ein Sektionaltor mit einem von einer eine Wandöffnung verschließenden Schließstellung, in der es in etwa parallel zur Schwererichtung angeordnet ist, längs einer durch eine Führungsschienenanordnung vorgegebenen Bahn in eine Öffnungsstellung, in der es im Wesentlichen über Kopf angeordnet ist, überführbaren und eine Mehrzahl bezüglich parallel zueinander und in etwa senkrecht zur Schwererichtung verlaufenden Kippachsen gegeneinander verkippbare Torblattelemente aufweisenden Torblatt, wobei die Führungsschienenanordnung mindestens eine Führungsschiene mit mindestens einem sich in etwa in der Schwererichtung erstreckenden Vertikalsegment, einem über Kopf angeordneten Überkopfsegment und einem das Vertikalsegment und das Überkopfsegment miteinander verbindenden Bogensegment aufweist, und eine Führungsschienenanordnung für ein derartiges Sektionaltor.The invention relates to a sectional door with a closing position closing a wall opening, in which it is arranged approximately parallel to the direction of gravity, along a path predetermined by a guide rail arrangement into an opening position, in which it is arranged essentially overhead, and a plurality with respect to door leaf elements which can be tilted relative to one another and approximately perpendicular to the direction of gravity, the guide rail arrangement comprising at least one guide rail with at least one vertical segment extending approximately in the direction of gravity, an overhead segment arranged overhead and an arc segment connecting the vertical segment and the overhead segment has, and a guide rail arrangement for such a sectional door.
Tore dieser Art werden beispielsweise in Form von Garagentoren, Fabriktoren oder Hallentoren eingesetzt. Dabei ist das Torblatt üblicherweise in der vorstehend beschriebenen Art mehrteilig gebildet, wobei es in der Schließstellung etwa in einer Vertikalebene ausgerichtet und von einem Zargenrahmen umlaufen wird. Zum Öffnen eines derartigen Tores wird das Torblatt üblicherweise längs einer durch die Führungsschienenanordnung vorgegebenen Bahn in einer Überkopfstellung bewegt. In der Öffnungsstellung ist das Torblatt üblicherweise etwa parallel zum Boden und etwa senkrecht zur mit dem Torblatt zu verschließenden Wandöffnung in einer Horizontalebene angeordnet. Die Bewegung des Torblatts wird dabei mittels der Führungsschienenanordnung geführt, die in der Schließstellung des Torblatts etwa parallel zu den seitlichen Rändern des Torblatts etwa in Schwererichtung verlaufende Vertikalsegmente, in der Öffnungsstellung des Torblatts etwa parallel zu den seitlichen Rändern des Torblatts über Kopf angeordnete Überkopfsegmente und die Vertikalsegmente und die Überkopfsegmente miteinander verbindende Bogensegmente aufweist. Die etwa in vertikaler Richtung verlaufenden Vertikalsegmente sind dabei üblicherweise an den im Bereich der Laibung der mit dem Torblatt zu verschließenden Wandöffnung befestigten Zargenholmen angebracht.Gates of this type are used, for example, in the form of garage doors, factory gates or hall gates. The door leaf is usually formed in several parts in the manner described above, it being aligned in the closed position approximately in a vertical plane and encircled by a frame frame. To open such a door, the door leaf is usually along one through the guide rail arrangement predetermined path moved in an overhead position. In the open position, the door leaf is usually arranged approximately parallel to the floor and approximately perpendicular to the wall opening to be closed with the door leaf in a horizontal plane. The movement of the door leaf is guided by means of the guide rail arrangement, which in the closed position of the door leaf runs approximately parallel to the lateral edges of the door leaf approximately in the direction of gravity, in the open position of the door leaf roughly parallel to the lateral edges of the door leaf and is arranged overhead Vertical segments and the arc segments connecting the overhead segments. The vertical segments running approximately in the vertical direction are usually attached to the frame spars fastened in the region of the reveal of the wall opening to be closed with the door leaf.
Bei einer Öffnungsbewegung des Torblatts werden die einzelnen Torblattelemente zunächst längs der in Schwererichtung angeordneten Vertikalsegmente nach oben bewegt, dann längs des Bogensegments umgelenkt, um schließlich in eine durch die Überkopfsegmente vorgegebene Überkopfstellung überführt zu werden. Diese Bewegung wird im Bereich der Bogensegmente dadurch ermöglicht, dass das Torblatt eine Mehrzahl von in Torblattbewegungsrichtung hintereinander angeordnete und bezüglich senkrecht zur Bewegungsrichtung verlaufenden Kippachsen gegeneinander verkippbare Torblattelemente aufweist. Zwei übereinander angeordnete Torblattelemente sind dabei in einem Verbindungsbereich miteinander verbunden. Die Verbindung der Torblattelemente untereinander kann dabei beispielsweise durch eine spezielle Ausgestaltung der aneinander angrenzenden Ränder der übereinander angeordneten Torblattelemente erfolgen. Sie kann aber auch durch an den Torblattelementen angeordnete ggf. scharnierartige Verbindungsanordnungen erfolgen.During an opening movement of the door leaf, the individual door leaf elements are first moved upwards along the vertical segments arranged in the direction of gravity, then deflected along the arc segment in order finally to be transferred into an overhead position predetermined by the overhead segments. This movement is made possible in the area of the arch segments by the fact that the door leaf has a plurality of door leaf elements which are arranged one behind the other in the direction of the door leaf movement and can be tilted relative to one another with respect to the tilt axes which are perpendicular to the direction of movement. Two door leaf elements arranged one above the other are connected to one another in a connection area. The door leaf elements can be connected to one another, for example, by a special configuration of the mutually adjacent edges of the door leaf elements arranged one above the other. However, it can also take place by means of hinge-like connection arrangements arranged on the door leaf elements.
Bei herkömmlichen Sektionaltoren sind in der Vergangenheit nach einer gewissen Betriebsdauer im Übergangsbereich aufeinanderfolgender Torblattelemente Beschädigungen aufgetreten. Beispielsweise ist eine Absplitterung der Torblattbeschichtung im Übergangsbereich der Torblattelemente aufgetreten, wodurch es zu einer Verschlechterung der optischen Erscheinung des Torblatts gekommen ist. Weiter sind auch Beschädigungen der Torblattelemente in dem Übergangsbereich oder Beschädigungen der die Torblattelemente miteinander verbindenden Verbindungsanordnungen, beispielsweise Scharniere, aufgetreten. In manchen Fällen waren die Schäden so stark, dass die Verbindungsanordnungen oder sogar die Torblattelemente ausgetauscht werden mussten, um die Funktionsfähigkeit des Tores wiederherzustellen. Dies hat zu einem unerwünschten Mehraufwand in der Wartung herkömmlicher Sektionaltore und zur Erzeugung unerwünschter Kosten geführt. Dieses Problem ist auch in der
Angesichts dieser Probleme im Stand der Technik liegt der Erfindung die Aufgabe zugrunde, ein Sektionaltor sowie eine Führungsschienenanordnung für ein Sektionaltor bereitzustellen, so dass das Risiko einer Beschädigung des Torblatts selbst bei längerfristiger Benutzung verringert wird.In view of these problems in the prior art, the invention has for its object to provide a sectional door and a guide rail arrangement for a sectional door, so that the risk of damage to the door leaf is reduced even with long-term use.
Erfindungsgemäß wird die Aufgabe durch die im kennzeichnenden Teil des Patentanspruchs 1 angegebene Weiterbildung der bekannten Tore gelöst.According to the invention the object is achieved by the further development of the known gates specified in the characterizing part of patent claim 1.
Der Erfindung liegt die Erkenntnis zugrunde, dass durch die erfindungsgemäße Ausbildung des Überkopfsegments einer Beschädigung der Torblattelemente durch die bei der Verwendung herkömmlicher Sektionaltore auftretende und unten beschriebene Überknickung entgegengewirkt werden kann.The invention is based on the finding that, by designing the overhead segment according to the invention, damage to the door leaf elements can be counteracted by the buckling which occurs when using conventional sectional doors and is described below.
Das Auftreten des Problems der Überknickung bei der Verwendung eines herkömmlichen Sektionaltors wird im Folgenden beispielhaft erläutert. Dieses Problem tritt beim Übergang des Tors von der Schließstellung in die Öffnungsstellung auf. Zur Erläuterung werden im Folgenden drei in der Schließstellung übereinander angeordnete Torblattelemente betrachtet. Gemäß ihrer Anordnung in der Schwererichtung werden die drei Torblattelemente als oberes, mittleres und unteres Torblattelement bezeichnet. In der Schließstellung sind die drei Torblattelemente in etwa in einer Ebene angeordnet. Bei der Bewegung des Torblatts von der Schließstellung in die Öffnungsstellung ist das obere Torblattelement das vorlaufende Torblattelement. Das obere Torblattelement ist an seinem in der Schließstellung in Schwererichtung unteren Rand mit dem in der Schließstellung in Schwererichtung oberen Rand des mittleren Torblattelements verbunden. Das mittlere Torblattelement läuft bei der Bewegung des Torblatts von der Schließstellung in die Öffnungsstellung dem oberen Torblattelement nach. Das mittlere Torblattelement ist an seinem in Schwererichtung unteren Rand mit einem in Schwererichtung oberen Rand des unteren Torblattelements verbunden. Bei der Bewegung des Torblatts von der Schließstellung in die Öffnungsstellung läuft das untere Torblattelement dem mittleren Torblattelement nach.The occurrence of the problem of buckling when using a conventional sectional door is explained below as an example. This problem occurs when the gate is in transition from the closed position to the open position. In the following, three door leaf elements arranged one above the other in the closed position are considered for explanation. According to their arrangement in the direction of gravity, the three door leaf elements are referred to as upper, middle and lower door leaf elements. In the closed position, the three door leaf elements are arranged approximately in one plane. When the door leaf moves from the closed position to the open position, the upper door leaf element is the leading door leaf element. The upper door leaf element is connected at its lower edge in the closed position in the direction of gravity to the upper edge of the central door leaf element in the closed position in the direction of gravity. The middle door leaf element runs after the upper door leaf element when the door leaf moves from the closed position into the open position. The middle door leaf element is at its lower edge in the direction of gravity with an upper edge in the direction of gravity connected to the lower door leaf element. When the door leaf moves from the closed position to the open position, the lower door leaf element follows the middle door leaf element.
Die drei Torblattelemente sind jeweils bezüglich einer etwa parallel zu den aneinander angrenzenden Rändern benachbarter Torblattelemente verlaufenden Kippachsen gegeneinander verkippbar. Im Folgenden wird als die Innenseite des Torblatts oder die Innenseite eines Torblattelements diejenige Seite des Torblatts bzw. des Torblattelements bezeichnet, die dem mit dem Torblatt zu verschließenden Raum zugewandt ist. Weiter wird mit θ ein Winkel bezeichnet, der von zwei Ebenen E1 und E2 eingeschlossen wird, die jeweils parallel zu den Innenseiten aneinander angrenzender Torblattelemente eingeschlossen werden. Die Verbindung benachbarter Torblattelemente von Sektionaltoren ist nun gewöhnlicherweise derart ausgestaltet, dass der Winkel θ im Bereich zwischen 0 und 180° liegen kann. Dadurch wird gewährleistet, dass zum einen die Torblattelemente entlang dem Bogensegment von der Öffnungsstellung in die Schließstellung und umgekehrt überführbar sind. Auf der anderen Seite wird verhindert, dass das Torblatt von außen eindrückbar ist. Damit wird ein sicherer Verschluss des mit dem Torblatt zu verschließenden Raumes gewährleistet. Außerdem wird verhindert, dass bei einer Berührung des Torblatts von außen Körperteile, insbesondere Finger, in dem Spalt zwischen zwei benachbarten Torblattelementen eingequetscht werden können. Die Bedingung, dass der Winkel θ, der von den Innenseiten benachbarter Torblattelemente eingeschlossen wird, nicht größer als 180° ist, kann beispielsweise durch eine spezielle Ausgestaltung einander zugewandter Ränder benachbarter Torblattelemente, wie etwa in der
Unter Überknickung versteht man nun eine Situation, in der der Winkel θ auf θ > 180° vergrößert wird. Eine solche Überknickung kann bei herkömmlichen Sektionaltoren mit herkömmlichen Führungsschienenanordnungen in dem folgenden Fall auftreten: Es sei im Folgenden die Situation betrachtet, in der das Torblatt von der Schließstellung in die Öffnungsstellung überführt wird. In der zu betrachtenden Situation sollen das obere und das mittlere Torblattelement das Bogensegment bereits durchlaufen haben und in das Überkopfsegment eingelaufen sein. Weiter soll der obere Rand des unteren Torblattelements das Bogensegment gerade durchlaufen haben. In einem kurzen Bereich ist dann, wie weiter unten erläutert wird, der obere Rand des unteren Torblattelements im Vergleich zu der Ebene, in der das obere Torblattelement und das mittlere Torblattelement angeordnet sind, angehoben. Aufgrund der gelenkigen Verbindung zwischen dem unteren und dem mittleren Torblattelement ist dann auch der untere Rand des mittleren Torblattelements angehoben. Der untere Rand des mittleren Torblattelements ist dann aus der Ebene, in der das obere Torblattelement und der obere Rand des mittleren Torblattelements angeordnet sind, angehoben. Damit ist der Winkel θ zwischen der inneren Oberfläche des oberen Torblattelements und der inneren Oberfläche des mittleren Torblattelements größer als 180°. Das Torblatt ist somit überknickt. Dadurch werden im Verbindungsbereich zwischen dem oberen und dem mittleren Torblattelement Spannungen erzeugt. Diese führen auf Dauer zu einer Beschädigung der Torblattelemente und/oder der Verbindungsanordnungen.An overturn now means a situation in which the angle θ is increased to θ> 180 °. Such an overturning can occur in conventional sectional doors with conventional guide rail arrangements in the following case: Consider the situation below in which the door leaf is transferred from the closed position to the open position. In the situation under consideration, the upper and middle door leaf elements are said to have already passed through the arch segment and to have run into the overhead segment. Furthermore, the upper edge of the lower door leaf element is said to have just passed through the arch segment. In a short area, as will be explained further below, the upper edge of the lower door leaf element is in Compared to the plane in which the upper door leaf element and the middle door leaf element are arranged, raised. Because of the articulated connection between the lower and the middle door leaf element, the lower edge of the middle door leaf element is then also raised. The lower edge of the central door leaf element is then raised out of the plane in which the upper door leaf element and the upper edge of the central door leaf element are arranged. The angle θ between the inner surface of the upper door leaf element and the inner surface of the central door leaf element is thus greater than 180 °. The door leaf is therefore buckled. This creates stresses in the connection area between the upper and the middle door leaf element. In the long run, this leads to damage to the door leaf elements and / or the connection arrangements.
Die Anhebung des oberen Randes des unteren Torblattelements ist unter anderem dadurch bedingt, dass die die Torblattelemente führenden Führungsanordnungen, beispielsweise Laufrollen, in der in der Schließstellung des Torblatts parallel zur Schwererichtung verlaufenden Höhenrichtung der Torblattelemente von den Kippachsen benachbarter Torblattelemente beabstandet angeordnet sind. Dies wird im Folgenden für den Fall, dass die Führungsanordnungen Laufrollen mit Laufrollenachsen A aufweisen und die Torblattelemente durch Scharniere mit Scharnierdrehpunkten D miteinander verbunden sind, erläutert. Mit S sei ein Schnittpunkt einer Geraden, die parallel zu dem Torblattelement durch den Scharnierdrehpunkt D verläuft, mit einer Geraden, die senkrecht zu dem Torblattelement und durch die Laufrollenachse A verläuft, bezeichnet. Die Verbindungslinie
Die vorliegende Erfindung beruht nun auf der folgenden Erkenntnis: Die Anhebung δ h des unteren Randes des mittleren Torblattelements im Vergleich zu dem oberen Rand des mittleren Torblattelements in der Schwererichtung ist am größten, wenn das untere Torblattelement gerade das Bogensegment verlassen hat. Dabei bezeichnet δ h vorzugsweise die sich unter Berücksichtigung der möglichen Variationen von dSA und dDA für die an aufeinanderfolgenden Torblattelementen angebrachten Laufrollen ergebende maximale Anhebung. Je weiter der obere Rand des unteren Torblattelements in das Überkopfsegment einläuft, umso kleiner wird die Anhebung δ h. Nach einer durchlaufenen Strecke δ x in dem Überkopfsegment ist die Anhebung δ h auf 0 abgesunken. Der Überknickung der Torblattelemente kann also, wie in der vorliegenden Erfindung beansprucht ist, dadurch entgegengewirkt werden, dass das Überkopfsegment den von dem Bogenbereich aus auf den Horizontalabschnitt zu ansteigenden Knickabschnitt aufweist, der gegenüber dem Horizontalabschnitt derart nach unten abgesenkt ist, dass er die Anhebung δ h des unteren Randes des mittleren Torblattelements gegenüber dem oberen Rand des mittleren Torblattelements kompensiert. Vorzugsweise weist der Knickabschnitt dazu mindestens die Länge δ x auf. Weiter bevorzugt ist der Horizontalabschnitt gegenüber dem an den Knickabschnitt angrenzenden Ende des Bogenbereichs um mindestens δ h in der Schwererichtung nach oben versetzt angeordnet. Auf diese Weise ist der untere Rand des mittleren Torblattelements immer unterhalb oder auf gleicher Höhe wie der obere Rand des mittleren Torblattelements angeordnet. Dann ist der Winkel θ zwischen dem mittleren und dem oberen Torblattelement immer im Bereich zwischen 0 und 180°.The present invention is based on the following finding: The increase δ h of the lower edge of the middle door leaf element in comparison to the upper edge of the middle door leaf element in the direction of gravity is greatest when the lower door leaf element has just left the arch segment. In this case, δ h preferably designates the maximum increase resulting from the possible variations of d SA and d DA for the rollers attached to successive door leaf elements. The further the upper edge of the lower door leaf element runs into the overhead segment, the smaller the increase δ h. After a distance δ x in the overhead segment, the increase δ h has dropped to 0. The kinking of the door leaf elements can thus be counteracted, as claimed in the present invention, in that the overhead segment has the kink section which rises from the arch area to the horizontal section and which is lowered relative to the horizontal section in such a way that it increases the elevation δ h of the lower edge of the middle door leaf element compared to the upper edge of the middle door leaf element. For this purpose, the kink section preferably has at least the length δ x. The horizontal section is furthermore preferably offset from the end of the arc region adjoining the kink section by at least δ h in the direction of gravity upwards. In this way, the lower edge of the central door leaf element is always arranged below or at the same height as the upper edge of the central door leaf element. Then the angle θ between the middle and the upper door leaf element is always in the range between 0 and 180 °.
Der Knickabschnitt ist erfindungsgemäß geradlinig ausgebildet. Der Horizontalabschnitt ist erfindungsgemäß ebenfalls geradlinig ausgebildet. Er ist aber nicht darauf beschränkt.According to the invention, the kink section is straight. The horizontal section is also linear in accordance with the invention. However, it is not limited to this.
Bei einer Ausführungsform der Erfindung kann die Höhe H in der Schwererichtung eines einem vorlaufenden Torblattelement nachlaufenden Torblattelements so gewählt sein, dass der obere Rand des nachlaufenden Torblattelements, während sein unterer Rand beim Übergang des Torblatts von der Schließstellung in die Öffnungsstellung noch im Bereich des Vertikalsegments angeordnet ist, noch im Bereich des Vertikalsegments, des Bogensegments oder des Knickabschnitts angeordnet sein. Wird die Absenkung des unteren Randes des Knickabschnitts gegenüber dem Horizontalabschnitt in Abhängigkeit vom Radius des Bogensegments und der Höhe H entsprechend angepasst, so kann auf diese Weise immer gewährleistet werden, dass der untere Rand des vorlaufenden Torblattelements zu jedem Zeitpunkt unterhalb dem oberen Rand des vorlaufenden Torblattelements angeordnet ist. Anders ausgedrückt wird die Höhe H des nachlaufenden Torblattelements kleiner gesetzt als der Abstand zwischen dem an das Bogensegment angrenzenden Endbereich des Vertikalsegments und dem an den Knickabschnitt angrenzenden Endbereich des Horizontalsegments. Somit wird vermieden, dass, wie dies bei herkömmlichen Führungsschienenanordnungen der Fall ist, der untere Rand des nachlaufenden Torblattelements im Bereich des Vertikalsegments angeordnet ist und zugleich der obere Rand des nachlaufenden Torblattelements im Horizontalabschnitt angeordnet ist, wodurch es zu einer Überknickung kommen kann.In one embodiment of the invention, the height H in the direction of gravity of a door leaf element trailing a leading door leaf element can be selected such that the upper edge of the trailing door leaf element, while its lower edge during the transition of the door leaf from the closed position into the open position is arranged in the region of the vertical segment, can also be arranged in the region of the vertical segment, the arc segment or the kink section. If the lowering of the lower edge of the kink section compared to the horizontal section is adjusted accordingly depending on the radius of the arc segment and the height H, it can always be ensured in this way that the lower edge of the leading door leaf element is always below the upper edge of the leading door leaf element is arranged. In other words, the height H of the trailing door leaf element is set smaller than the distance between the end region of the vertical segment adjoining the arch segment and the end region of the horizontal segment adjoining the kink segment. It is thus avoided that, as is the case with conventional guide rail arrangements, the lower edge of the trailing door leaf element is arranged in the region of the vertical segment and, at the same time, the upper edge of the trailing door leaf element is arranged in the horizontal section, which can result in an overturning.
Ein erfindungsgemäßes Sektionaltor ist vorzugsweise so ausgeführt, dass der Knickabschnitt eine Länge im Bereich von 100 mm bis 700 mm, vorzugsweise im Bereich von 150 mm bis 650 mm und besonders bevorzugt im Bereich von 200 mm bis 580 mm aufweist. Dabei schließt der Knickabschnitt mit einer Verlängerungslinie des Horizontalabschnitts erfindungsgemäß einen Winkel α ein, wobei α zwischen 0,8 ° und 5,7°, bevorzugt zwischen 0,88° und 3,8° und besonders bevorzugt zwischen 0,99° und 2,9° liegt. Weiter kann der Knickabschnitt ausgehend von dem an den Horizontalabschnitt angrenzenden Ende maximal 15 mm, bevorzugt maximal 10 mm und besonders bevorzugt maximal 8 mm in der Schwererichtung nach unten abfallen. Ist der Winkel α zu klein oder der Abfall des Knickabschnitts in der Schwererichtung zu gering, so kann der Überknickung der Torblattelemente nicht in zufriedenstellendem Maße entgegengewirkt werden. Falls der Winkel α zu groß ist, so kann in dem Übergangsbereich zwischen dem Knickabschnitt und dem Horizontalabschnitt eine Kante ausgebildet sein, die sich störend auf die gleichmäßige Bewegung des Torblatts auswirkt. Dadurch kann es zu einer störenden Geräuschentwicklung bei der Bewegung des Torblatts von der Öffnungs- in die Schließstellung und umgekehrt kommen. Außerdem können unerwünschte Kräfte zwischen den benachbarten Torblattelementen entstehen. Weist der Knickabschnitt eine Länge auf, die größer als 700 mm ist, oder ist der Knickabschnitt derart ausgebildet, dass er ausgehend von dem Horizontalabschnitt mehr als 15 mm abfällt, so kann sich dies nachteilig auf die Einbausituation des Sektionaltors auswirken.A sectional door according to the invention is preferably designed such that the kink section has a length in the range from 100 mm to 700 mm, preferably in the range from 150 mm to 650 mm and particularly preferably in the range from 200 mm to 580 mm. According to the invention, the kink section includes an angle α with an extension line of the horizontal section, α between 0.8 ° and 5.7 °, preferably between 0.88 ° and 3.8 ° and particularly preferably between 0.99 ° and 2, 9 °. Furthermore, starting from the end adjoining the horizontal section, the kink section can drop downward in the direction of gravity by a maximum of 15 mm, preferably a maximum of 10 mm and particularly preferably a maximum of 8 mm. If the angle α is too small or the drop in the buckling section in the direction of gravity is too small, the overturning of the door leaf elements cannot be counteracted to a satisfactory extent. If the angle α is too large, an edge can be formed in the transition region between the kink section and the horizontal section, which has a disruptive effect on the uniform movement of the door leaf. This can lead to disturbing noise when the door leaf moves from the open to the closed position and vice versa. In addition, undesirable forces can arise between the neighboring door leaf elements. If the articulated section has a length that is greater than 700 mm, or if the articulated section is designed such that it begins to drop more than 15 mm from the horizontal section, this can have a disadvantageous effect on the installation situation of the sectional door.
Bei einer weiteren Ausführungsform der Erfindung kann der Knickabschnitt in einem an den Horizontalabschnitt angrenzenden Zwischenbereich in einer Bogenform in den Horizontalabschnitt übergehen. Dies erlaubt einen gleichmäßigeren Übergang der Torblattelemente von dem Knickabschnitt in den Horizontalabschnitt. Dies ist insbesondere bei großen Winkeln α wünschenswert. Somit kann beispielsweise eine unerwünschte Geräuschentwicklung, die durch eine in dem Zwischenbereich zwischen dem Knickabschnitt und dem Horizontalabschnitt ausgebildete Knickstelle bedingt ist, oder eine mechanische Belastung der Verbindung aufeinanderfolgender Torblattelemente vermieden werden.In a further embodiment of the invention, the kink section can merge into the horizontal section in an intermediate region adjacent to the horizontal section in an arc shape. This allows a more even transition of the door leaf elements from the kink section to the horizontal section. This is particularly desirable at large angles α. Thus, for example, an undesirable noise development, which is caused by a kink formed in the intermediate area between the kink section and the horizontal section, or a mechanical load on the connection of successive door leaf elements can be avoided.
In einer weiteren Ausführungsform der Erfindung können die Torblattelemente durch Verbindungsanordnungen gegeneinander verkippbar miteinander verbunden sein. Die Verbindungsanordnungen können dabei Scharniere aufweisen, die auf der Torblattinnenseite angeordnet sind. Die Erfindung ist aber nicht auf diese Ausführungsform beschränkt. So können die Torblattelemente auch durch eine spezielle Ausgestaltung der aneinander angrenzenden oberen und unteren Ränder benachbarter Torblattelemente gegeneinander verkippbar sein. Durch die erfindungsgemäße Ausgestaltung der Führungsschienenanordnung kann nun der Beschädigung der Scharniere entgegengewirkt werden.In a further embodiment of the invention, the door leaf elements can be connected to one another by connection arrangements such that they can be tilted. The connection arrangements can have hinges which are arranged on the inside of the door leaf. However, the invention is not limited to this embodiment. For example, the door leaf elements can also be tilted towards one another by a special design of the adjoining upper and lower edges of adjacent door leaf elements. By designing the guide rail arrangement according to the invention, damage to the hinges can now be counteracted.
Bei einem erfindungsgemäßen Sektionaltor kann das Torblatt durch an dem Torblatt angeordnete und mit der Führungsschienenanordnung zusammenwirkende Führungsanordnungen längs seiner vorgegebenen Bahn geführt werden. Die Führungselemente können dabei Laufrollen aufweisen. Die Führungsanordnungen können im Bereich der Scharniere am oberen Rand eines Torblattelements angeordnet sein. Die Führungsanordnungen bzw. Laufrollen können dabei getrennt von den Verbindungsanordnungen bzw. Scharnieren an den Torblattelementen befestigt sein. Die Scharniere können aber auch als die Laufrollen haltende Scharnier-Rollenhalter ausgebildet sein. In diesem Fall werden die Laufrollen über den Scharnier-Rollenhalter direkt an dem Scharnier befestigt.In a sectional door according to the invention, the door leaf can be guided along its predetermined path by guide arrangements arranged on the door leaf and interacting with the guide rail arrangement. The guide elements can have rollers. The guide arrangements can be arranged in the area of the hinges on the upper edge of a door leaf element. The guide arrangements or rollers can be attached to the door leaf elements separately from the connection arrangements or hinges. However, the hinges can also be designed as hinge roller holders holding the rollers. In this case, the rollers are attached directly to the hinge using the hinge roller holder.
Eine weitere Ausführungsform eines erfindungsgemäßen Sektionaltors zeichnet sich dadurch aus, dass die Laufrolle eine Laufrollenachse A aufweisen kann und das Scharnier einen Scharnierdrehpunkt D aufweisen kann und eine Länge einer Projektion einer Verbindungslinie der Laufrollenachse A mit dem Scharnierdrehpunkt D,
Bereits im Rahmen der Erklärung des Phänomens der Überknickung wurde oben erläutert, dass das Dreieck Δ SDA rechtwinklig ist, wobei S einen Schnittpunkt einer Geraden, die parallel zum Torblattelement durch den Scharnierdrehpunkt D verläuft, mit einer Geraden, die senkrecht zu dem Torblattelement und durch die Laufrollenachse A verläuft, bezeichnet. Dabei ist
Neben dem oben beschriebenen Sektionaltor soll auch eine Führungsschienenanordnung für das oben beschriebene Sektionaltor unter Schutz gestellt werden.In addition to the sectional door described above, a guide rail arrangement for the sectional door described above should also be protected.
Der Erfindungsgedanke kann im Übrigen auch bei Seitensektionaltoren eingesetzt werden, bei denen die Führungsschienen insgesamt in Horizontalebenen angeordnet sind und die Kippachsen etwa in Schwererichtung verlaufen, wobei sich die Knickabschnitte in diesem Fall ebenfalls ausgehend von dem Bogensegment in den mit dem Torblatt zu verschließenden Raum erstrecken.The idea of the invention can also be used for side sectional doors in which the guide rails are arranged overall in horizontal planes and the tilting axes run approximately in the direction of gravity, in which case the articulated sections also extend from the arch segment into the space to be closed with the door leaf.
Nachstehend wird die Erfindung unter Bezugnahme auf die Zeichnung, auf die hinsichtlich aller erfindungswesentlichen und in der Beschreibung nicht näher herausgestellten Einzelheiten ausdrücklich verwiesen wird, erläutert. In der Zeichnung zeigt:
- Figur 1a
- eine Seitenansicht eines herkömmlichen Sektionaltors beim Übergang von der Schließstellung in die Öffnungsstellung, wobei in einem Verbindungsbereich eines bei der Öffnungsbewegung vorderen und eines mittleren Torblattelements eine Überknickung auftritt,
- Figur 1b
- eine Seitenansicht des in
Figur 1 dargestellten herkömmlichen Sektionaltors, wobei das inFigur 1a gezeigte bei der Öffnungsbewegung hintere Torblattelement in einem Vertikalsegment der Führungsschienenanordnung angeordnet ist, - Figur 1c
- eine Seitenansicht des in
Figur 1a dargestellten herkömmlichen Sektionaltors, wobei das inFigur 1a gezeigte bei der Öffnungsbewegung hintere Torblattelement in das Überkopfsegment einläuft, - Figur 2
- eine Seitenansicht eines herkömmlichen Sektionaltors, wobei Bereiche, in denen durch die Überknickung Schäden entstehen, mit Pfeilen gekennzeichnet sind,
- Figur 3a
- eine Darstellung eines durch Überknickung beschädigten Torblatts,
- Figur 3b
- eine Darstellung durch Überknickung beschädigter Bestandteile von Scharnieren,
- Figur 4
- einen Ausschnitt eines erfindungsgemäßen Überkopfsegments mit einem Knickabschnitt und einem Horizontalabschnitt,
- Figur 5
- eine Darstellung, welche die Verringerung oder Vermeidung einer Überknickung der Torblattelemente bei einem erfindungsgemäßen Sektionaltor darstellt.
- Figure 1a
- a side view of a conventional sectional door in the transition from the closed position to the open position, wherein in a connecting area of a front and a central door leaf element during the opening movement a kink occurs
- Figure 1b
- a side view of the in
Figure 1 shown conventional sectional gate, which inFigure 1a the door leaf element shown in the opening movement is arranged in a vertical segment of the guide rail arrangement, - Figure 1c
- a side view of the in
Figure 1a shown conventional sectional gate, which inFigure 1a the door leaf element shown in the opening movement runs into the overhead segment, - Figure 2
- a side view of a conventional sectional door, areas in which damage is caused by the buckling are marked with arrows,
- Figure 3a
- a representation of a door leaf damaged by kinking,
- Figure 3b
- a representation of damaged components of hinges by buckling,
- Figure 4
- a section of an overhead segment according to the invention with a kink section and a horizontal section,
- Figure 5
- a representation which represents the reduction or avoidance of kinking of the door leaf elements in a sectional door according to the invention.
Das oben angesprochene Problem der Überknickung, das bei herkömmlichen Sektionaltoren auftritt, wird im Folgenden unter Bezugnahme auf die
Die Torblattelemente 16, 14, 12 können durch Führungsanordnungen 60 bezüglich einer Führungsschiene 30 geführt werden. Die Führungsanordnungen 60 können Laufrollen 62 aufweisen. Dieser Fall ist in
In
Die Torblattelemente 12, 14, 16 sind bezüglich parallel zueinander und etwa senkrecht zur Schwererichtung SR verlaufender Kippachsen gegeneinander verkippbar. Bezeichnet man die Drehpunkte der Scharniere mit D, so können die Kippachsen z.B. den horizontal verlaufenden Verbindungslinien der Scharnierdrehpunkte D entsprechen.The
Zur Erklärung des Phänomens der Überknickung werden im Folgenden drei Abstände eingeführt. Als erstes wird der Abstand des Scharnierdrehpunkts D und der Laufrollenachse A mit dDA bezeichnet. Die Projektion der Verbindungslinie
In
In
Im Folgenden wird als E1 eine Ebene bezeichnet, die parallel zu der Oberfläche des mittleren Torblattelements 14 ist, die dem mit dem Torblatt 10 zu verschließenden Raum zugewandt ist. Mit E2 sei eine Ebene bezeichnet, die parallel zu der Oberfläche des oberen Torblattelements 16 verläuft, die dem mit dem Torblatt 10 zu verschließenden Raum zugewandt ist. Weiter sei als θ der Schnittwinkel der Ebenen E1 und E2 bezeichnet. Aneinander angrenzende Torblattelemente 12, 14, 16 von Sektionaltoren 1 sind üblicherweise derart ausgestaltet, dass der Winkel θ im Bereich zwischen 0 und 180° liegt. Dadurch wird zum einen gewährleistet, dass die Torblattelemente 12, 14, 16 entlang dem Bogensegment 34 von der Öffnungsstellung in die Schließstellung und umgekehrt überführbar sind. Auf der anderen Seite wird durch diese Wahl des Winkels θ verhindert, dass das Torblatt 10 von außen eindrückbar ist. Wenn aber im vorliegenden Fall der untere Rand 14b des mittleren Torblattelements 14 im Vergleich zum oberen Rand 14a des mittleren Torblattelements 14 und somit auch im Vergleich zum unteren Rand 16b des oberen Torblattelements 16 angehoben ist, ist der Winkel θ größer 180°. Man spricht von einer Überknickung der Torblattelemente 14, 16.In the following, E1 is a plane which is parallel to the surface of the central
Erfahrungsgemäß ist der Winkel θ in etwa maximal 3°. Aber auch dieser kleine Winkel kann zu erheblichen Schäden an den Torblattelementen 14, 16 sowie an den Verbindungsanordnungen 50, 52 führen. Solche Schäden sind in den
Die Entstehung der in den
Es sei darauf hingewiesen, dass die Überknickung unter anderem dadurch bedingt ist, dass der Scharnierdrehpunkt D in der Dickenrichtung DR der Torblattelemente zwischen der Außenfläche und der Innenfläche der Torblattelemente 12, 14, 16 angeordnet ist, und weiter die Laufrollenbefestigung unterhalb des Scharnierdrehpunkts D angeordnet ist und von den Torblattelementen 12, 14, 16 beabstandet ist. Die Anordnung des Scharnierdrehpunkts D zwischen den Torblattelementen 12, 14, 16 in der Dickenrichtung ist deswegen erwünscht, um zu vermeiden, dass beim Übergang der Torblattelemente 12, 14, 16 von der Öffnungs- in die Schließstellung und umgekehrt ein großer Spalt zwischen den aneinandergrenzenden unteren und oberen Rändern benachbarter Torblattelemente 12, 14, 16 entsteht, wodurch die Gefahr des Einzwickens von Körperteilen, insbesondere von Fingern, entsteht. Eine Beabstandung der Laufrollen 62 von den Torblattelementen 12, 14, 16 ist notwendig, um zu vermeiden, dass die Torblattelemente 12, 14, 16 an einer an der Zarge angeordneten Dichtungsanordnung schleifen. Die maximale Anhebung δhmax des unteren Randes 14b des mittleren Torblattelements 14 gegenüber dem oberen Rand 14a des mittleren Torblattelements 14 hängt also von der Anordnung der Laufrolle 62 sowie der Anordnung des Scharnierdrehpunkts D ab. Darüber hinaus ist die Höhe H der einzelnen Torblattelemente 12, 14, 16 sowie die Gesamthöhe des Sektionaltors 1 ausschlaggebend für die maximale Anhebung δhmax des unteren Randes 14b des mittleren Torblattelements 14.It should be noted that the buckling is caused, among other things, by the fact that the hinge pivot point D is arranged in the thickness direction DR of the door leaf elements between the outer surface and the inner surface of the
In
Der Horizontalabschnitt 44 kann in etwa parallel zur Horizontalrichtung HR verlaufen. Der Horizontalabschnitt 44 kann dabei, wie es in
Der Knickabschnitt 42 fällt von einem an den Horizontalabschnitt 44 angrenzenden Ende 46 aus auf das Bogensegment 34 (nicht dargestellt) zu nach unten ab. Um einer Überknickung der Torblattelemente 12, 14, 16 entgegenzuwirken oder diese ganz zu verhindern, ist der Abfall des Knickabschnitts 42 gegenüber dem Horizontalabschnitt 44 vorzugsweise folgendermaßen ausgestaltet: Wie aus
Im Folgenden wird ein konkretes Beispiel für die Ausgestaltung des Knickabschnitts 42 eines Überkopfsegments 40 eines erfindungsgemäßen Sektionaltors 1 bzw. einer erfindungsgemäßen Führungsschienenanordnung 20 gegeben. In dem Beispiel ist der Abstand dDA = 43,51 mm, der Abstand dSA = 35,63 mm, so dass die Absenkung h = 10 mm des Knickabschnitts 42 größer ist als die maximale Anhebung δhmax = 7,88 mm des unteren Randes 14b des mittleren Torblattelements 40. Die Länge des Knickabschnitts LK ist bevorzugt in einem Bereich von 200 bis 580 mm gesetzt und ist in dem angegebenen Beispiel auf LK = 550 mm gesetzt.A specific example of the configuration of the
Die Ausführungsform des in
Mittels der in
Ein erfindungsgemäßes Sektionaltor sowie eine erfindungsgemäße Führungsschienenanordnung für ein Sektionaltor zeichnen sich somit dadurch aus, dass das Risiko einer Beschädigung des Torblatts selbst bei längerfristiger Benutzung verringert wird.A sectional door according to the invention and a guide rail arrangement according to the invention for a sectional door are thus characterized in that the risk of damage to the door leaf is reduced even when used for a long time.
- 11
- SektionaltorSectional gate
- 1010th
- TorblattDoor leaf
- 1111
- KippachseTilt axis
- 1212
- unteres Torblattelementlower door leaf element
- 12a12a
- oberer Rand des unteren Torblattelementsupper edge of the lower door leaf element
- 12b12b
- unterer Rand des unteren Torblattelementslower edge of the lower door leaf element
- 1414
- mittleres Torblattelementmiddle door leaf element
- 14a14a
- oberer Rand des mittleren Torblattelementsupper edge of the middle door leaf element
- 14b14b
- unterer Rand des mittleren Torblattelementslower edge of the middle door leaf element
- 1616
- oberes Torblattelementupper door leaf element
- 16a16a
- oberer Rand des oberen Torblattelementsupper edge of the upper door leaf element
- 16b16b
- unterer Rand des oberen Torblattelementslower edge of the upper door leaf element
- 2020th
- FührungsschienenanordnungGuide rail arrangement
- 3030th
- FührungsschieneGuide rail
- 3232
- VertikalsegmentVertical segment
- 3434
- BogensegmentArc segment
- 4040
- ÜberkopfsegmentOverhead segment
- 4141
- EndbereichEnd area
- 4242
- KnickabschnittBuckling section
- 4444
- HorizontalabschnittHorizontal section
- 4646
- an den Horizontalabschnitt angrenzendes Endeend adjacent to the horizontal section
- 4848
- ZwischenbereichIntermediate area
- 5050
- VerbindungsanordnungConnection arrangement
- 5252
- Scharnierhinge
- 5454
- ScharnierrollenhalterHinge roll holder
- 6060
- FührungsanordnungGuide arrangement
- 6262
- LaufrolleRoller
- SRSR
- SchwererichtungGravity
- HRMR
- HorizontalrichtungHorizontal direction
- DRDR
- DickenrichtungThickness direction
- AA
- LaufrollenachseRoller axle
- DD
- ScharnierdrehpunktHinge pivot
- SS
- SchnittpunktIntersection
- dDA d DA
- Abstand Scharnierdrehpunkt - LaufrollenachseDistance hinge pivot point - roller axis
- dSA d SA
- Abstand des Schnittpunkts S von der Laufrollenachse ADistance of the intersection S from the roller axis A
- dSD d SD
- Abstand des Schnittpunkts von dem Scharnierdrehpunkt DDistance of the intersection from the hinge pivot D
- HH
- Höhe eines TorblattelementsHeight of a door leaf element
- RR
- Radius des ZwischenbereichsRadius of the intermediate area
- αα
- Winkel zwischen dem Knickabschnitt und der Verlängerungslinie des HorizontalabschnittsAngle between the buckling section and the extension line of the horizontal section
- θθ
- von benachbarten Torblattelementen eingeschlossener Winkelangle enclosed by adjacent door leaf elements
- hH
- Absenkung des KnickabschnittsLowering of the kink section
- xx
- Öffnungsrichtung des ToresOpening direction of the gate
- LK L K
- Länge des KnickabschnittsLength of the buckling section
Claims (13)
- A sectional door having a door leaf (10) that can be moved, along a path predefined by a guide rail arrangement (20), from a closed position, which closes a wall opening and in which it lies approximately parallel to the direction of gravity (SR), into an open position, in which it is substantially overhead, wherein said door leaf has a plurality of door leaf elements (12, 14, 16), which can be tilted relative to one other in relation to tilting axes (11) running in parallel and approximately perpendicular to the direction of gravity (SR), wherein the guide rail arrangement (20) has at least one guide rail (30) with at least one vertical segment (32), extending approximately in the direction of gravity (SR), one overhead segment (40), which is overhead, and a curved segment (34), which connects the vertical segment (32) and the overhead segment (40) to each other, and wherein the overhead segment (40) has a buckle section (42), which is connected to the curved segment (34) via an end region (41), and a horizontal section (44), which adjoins the buckle section (42) and runs preferably approximately parallel to the horizontal direction (HR), and the buckle section (42) slopes downwards towards the curved segment (34), starting from an end (46) adjoining the horizontal section (44), characterised in that the buckle section and the horizontal section are arranged in a straight line and the buckle section (42) forms an angle α with an extension line of the horizontal section (44), wherein α is between 0.8° and 5.7°, preferably between 0.88° and 3.8° and particularly preferably between 0.99° and 2.9°.
- The sectional door according to claim 1, characterised in that the height H, in the direction of gravity, of a door leaf element (12) trailing a leading door leaf element (14) is chosen so that the top edge (12a) of the trailing door leaf element (12) is still in the area of the vertical segment (32), curved segment (34) or buckle section (42) as the door leaf (10) moves from the closed position to the open position, whereas the bottom edge (12b) is still located in the area of the vertical segment (32).
- The sectional door according to one of the preceding claims, characterised in that the buckle section (42) has a length (LK) within a range of 100 mm to 700 mm, preferably within a range of 150 mm to 650 mm and particularly preferably within a range of 200 mm to 580 mm.
- The sectional door according to one of the preceding claims, characterised in that the buckle section (42), starting from an end adjoining the horizontal section (44), slopes downwards in the direction of gravity (SR) by a maximum of 15 mm, preferably by a maximum of 10 mm and preferably by a maximum of 8 mm.
- The sectional door according to one of the preceding claims, characterised in that the buckle section (42) transitions into the horizontal section (44) in an intermediate region (48) in a curved shape adjoining the horizontal section (44).
- The sectional door according to one of the preceding claims, characterised in that the door leaf elements (12, 14, 16) are connected to each other with connecting arrangements (50) so that they can be tilted relative to one other.
- The sectional door according to claim 6, characterised in that the connecting arrangements (50) comprise hinges (52) that are located on the inside of the door leaf.
- The sectional door according to one of the preceding claims, characterised in that the door leaf (10) is guided, along its predefined path, by guiding arrangements (60) located on the door leaf (10) and acting together with the guide rail arrangement (20).
- The sectional door according to claim 8, characterised in that the guiding arrangements (60) have rollers (62).
- The sectional door according to claim 8 or 9, characterized in that the guiding arrangements (60) are located in the area of the hinges (52) at the top edge (12a, 14a, 16a) of a door leaf element (12, 14, 16).
- The sectional door according to claim 10 or 11, characterized in that the hinges are designed as hinged roller holders holding the rollers.
- The sectional door according to one of claims 9 to 11, characterized in that the roller (62) has a roller axis (A) and the hinge (52) has a hinge pivot point (D), a length of a projection of a line
DA connecting the roller axis (A) with the hinge pivot point (D) along a straight line running orthogonally to the door leaf element (12, 14, 16) having the roller (62) corresponds to a length dSA and the buckle section (42) slopes downwards by at least (dDA - dSA)max starting from the horizontal section (44), wherein dDA is a length of the connecting lineDA and (dDA - dSA)max designates the maximum difference, for the door leaf of a sectional door according to the invention, obtained taking into account the variations in the positioning of the rollers. - The guide rail arrangement for a sectional door (1), wherein the guide rail arrangement (20) has at least one guide rail (30) with at least one vertical segment (32), extending approximately in the direction of gravity (SR), one overhead segment (40), which is overhead, and a curved segment (34), which connects the vertical segment (32) and the overhead segment (40) to each other, and wherein the overhead segment (40) has a buckle section (42), which is connected to the curved segment (34) via an end region (41), and a horizontal section (44), which adjoins the buckle section (42) and runs preferably approximately parallel to the horizontal direction (HR), and the buckle section (42) slopes downwards towards the curved segment (34), starting from an end (46) adjoining the horizontal section (44), characterised in that the buckle section and the horizontal section are arranged in a straight line and the buckle section (42) forms an angle α with an extension line of the horizontal section (44), wherein α is between 0.8° and 5.7°, preferably between 0.88° and 3.8° and particularly preferably between 0.99° and 2.9°.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL17727103T PL3469179T3 (en) | 2016-06-14 | 2017-05-26 | Sectional door and guide rail arrangement |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016007222.9A DE102016007222A1 (en) | 2016-06-14 | 2016-06-14 | Sectional door and guide rail arrangement |
PCT/EP2017/000627 WO2017215778A1 (en) | 2016-06-14 | 2017-05-26 | Sectional door and guide rail arrangement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3469179A1 EP3469179A1 (en) | 2019-04-17 |
EP3469179B1 true EP3469179B1 (en) | 2020-05-27 |
Family
ID=58992794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17727103.8A Active EP3469179B1 (en) | 2016-06-14 | 2017-05-26 | Sectional door and guide rail arrangement |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3469179B1 (en) |
DE (1) | DE102016007222A1 (en) |
PL (1) | PL3469179T3 (en) |
WO (1) | WO2017215778A1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3726699C5 (en) | 1987-08-11 | 2009-05-28 | Hörmann KG Brockhagen | Sectional |
DE58908069D1 (en) | 1988-11-25 | 1994-08-25 | Hoermann Kg | Door leaf. |
US5409051A (en) * | 1993-05-03 | 1995-04-25 | Wayne-Dalton Corp. | Track system for sectional doors |
US6527035B2 (en) * | 2000-07-06 | 2003-03-04 | Overhead Door Corporation | Guide track assemblies and mounting brackets for upward acting doors |
US20040211033A1 (en) * | 2003-04-22 | 2004-10-28 | Wayne-Dalton Corp. | Track assembly for an overhead door |
-
2016
- 2016-06-14 DE DE102016007222.9A patent/DE102016007222A1/en active Pending
-
2017
- 2017-05-26 PL PL17727103T patent/PL3469179T3/en unknown
- 2017-05-26 WO PCT/EP2017/000627 patent/WO2017215778A1/en unknown
- 2017-05-26 EP EP17727103.8A patent/EP3469179B1/en active Active
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
WO2017215778A1 (en) | 2017-12-21 |
PL3469179T3 (en) | 2020-12-14 |
EP3469179A1 (en) | 2019-04-17 |
DE102016007222A1 (en) | 2017-12-14 |
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