EP1550786B1 - Casing frame especially for a door - Google Patents

Description

The invention relates to a frame according to the preamble of the appended claim 1, as known from EP 0 940 550 A2 is known. In addition, the invention relates to a door provided with such a frame and a method for mounting the frame or door.

At the time of the EP 0 940 550 A2 known frames the horizontally arranged Zargenstäbe are split at predetermined breaking points in two sub-elements. The connection of the sub-elements with the lateral frame rods is carried out by partially bent tabs which are spot-welded to the part to be joined. As a result, by cutting the tabs and breaking the predetermined breaking points - these are preferably welded joints - adjust the frame to local conditions, in particular the respective lower Zargenstab adapt to whether a door sill should be present or not. The known frame is particularly suitable for 180 ° reversible fire doors with optional right / left stop.

From the EP 0 805 255 B1 is disclosed another frame for such a fire-resistant turnstile. There, the vertical opening width of the frame is greater than the entire height of the door leaf including upper and lower door rabbets. There is provided an additional sub-element for screwing to the upper horizontally arranged Zargenstab, which closes the resulting gap. The attachment is provided with spacers for providing a distance between the supporting upper frame member and the upper visible surface of the frame frame formed on the attachment, and for reducing the upper door gap therethrough. About how the supporting upper Zargenstab is connected to the lateral Zargenstäben, nothing is stated, therefore, the above-mentioned EP 0 940 550 A2 which deals with it, considered as the closest prior art. Since the frames must absorb high transverse forces in fire doors - fire test -, were used in the prior art welding to the corner joint.

From the WO 98 / 14681A is a three-sided frame with two lateral Zargenstäben and an upper horizontally arranged Zargenstab is known. All Zargenstäbe have two sub-elements and still a third sub-element. The first and the second sub-elements are fastened to each other via separate fastening devices with a slot on one of the two sub-elements in the thickness direction of the frame slidably. In addition, there is a releasable corner connecting device between the lateral frame beams and the upper Zargenholm. In this case, a first sub-element of the lateral Zargenstabes is screwed to the first sub-element of the upper Zargenstabes. Likewise, the second sub-element of the lateral Zargenstabes is screwed to the second sub-element of the upper Zargenstabes. Due to the separate fastening device for fastening the first and the second sub-element by means of a slot, the two main sub-elements of all Zargenstäbe can be slidably mounted relative to each other so that the jaw width of the frame can be adapted to different wall thicknesses. In addition, each Zargenstab still has a third sub-element in the form of a clip-on cover.

Based on the state of the art according to the EP 0 940 550 A2 It is an object of the invention to form a frame for a turnstile with the features of the preamble so that it is even more easily adaptable to structural conditions with regard to the threshold.

This object is achieved by a frame with the features of the independent claim 1.

Advantageous uses of the invention are the subject of the dependent claims and advantageous embodiments of the invention are the subject of the dependent claims.

The invention thus provides a frame for a turning door, with a plurality of Zargenstäben which are connected to Zargenecken together, wherein at least a first horizontally arranged Zargenstab has two releasably connected or connectable sub-elements. According to the invention, a detachable corner connection device is provided for connecting two frame rods. Therefore, it can be individually decided at the place of construction, whether a more or less high threshold may or may not be present, and the frame accordingly be adjusted easily.

A simpler construction results from the fact that the two sub-elements of the horizontally arranged Zargenstabes are releasably connected or connectable by means of the corner connecting device.

The corner connecting device preferably has a corner connecting angle with a first tab for releasably securing the horizontally arranged Zargenstabes and two fasteners, of which a second fastener only one of the two sub-elements and a first fastener connects both sub-elements or only the other sub-element with the first tab. As a result, remains when removing a partial element of the horizontally arranged Zargenstabes, the removal is done by simply loosening the first fastener, the other sub-element connected via the second fastener fixed to the side frame rod; the frame remains a four-sided closed frame with appropriate stability, so that a preassembled door leaf in this Abschraubschritt need not be removed. The remaining sub-element does not need to be fixed again and may possibly be fixed even more by re-attaching the first fastener. Advantageously, screws are used as fasteners, so that Zargenstäbe are connected by a screw connection over corner. In this case, the corner connecting angle is preferably a helix angle, which can be screwed to both frame bars abutting on the corner.

If the corner connecting angle has a second tab having (only) a fastener opening for receiving a third fastener for fixing a frame rod to be arranged vertically, then the entire horizontal frame rod fastened by the first and second fasteners multiple times to the corner joint angle can be easily removed only one fastener per Zargenecke solve. If, in addition, an anti-rotation device is provided which prevents relative rotation of the frame bar and the second flap to be arranged vertically, in particular when the third fastener is being used, a sufficiently stable corner connection device is provided despite the easy attachment and mounting to be mounted, even in case of fire huge tension forces, which have their cause in temperature differences and can bend even heavy steel constructions, withstand. The rotation preferably has a projection on one of the two parts to be connected here - second tab and vertically arranged Zargenstab - and a receiving opening on the other part for positive reception of the projection, because such a positive connection when assembling the parts is easy to manufacture and with appropriate design of projection and receiving opening can also greatly simplify the assembly by a self-centering effect.

The rigidity of the Zargenecke created by the Eckverbindungsvorrichtung can, without having to use a visually and manufacture (moderately disadvantageous) excessively thick connection angle, be further increased if the Eckverbindungswinkel in the region of its bend a stiffening device, in particular a transverse to the angled, by a Inflection formed stiffening bead or a stiffening strut, has. Preferably, at least one of the two frame bars to be connected to the corner connection angle has at its front edge area a recess for the positive reception of the stiffening device projecting in the corner of the connection angle. More preferably, the stiffening device and the recess receiving this are complementarily conically widening / tapering, so that a self-centering effect is produced during assembly. An additional attachment and thus stiffening the Zargenecke in addition to the fastener engagement is achieved in that the Eckverbindungsvorrichtung in the at or with the Eckverbindungsvorrichtung to be joined parts fastener openings for receiving fasteners such that edge regions of the fastener openings of two parts to be joined together are in positive engagement with each other. A centering effect is also achieved here when the edge region of a fastener opening on one of the two parts to be connected at or with the corner joint device is tapered hollow towards the opening and the other edge region of the associated fastening opening of the other part is tapered in the direction corresponding to the opening. This can be realized simply by forming the edge regions of the fastener openings corresponding to one another by deep drawing. Due to the interlocking interventions of the borders at right angles to each other over Eckschraubungen arranged it is sufficient for a frame of a fire door, that the Eckverbindungsvorrichtung has thread-cutting or thread-forming screws that form their own thread to appropriately shaped fastener openings itself, so that the screw easily can be produced and solvable. In addition, advantageously still a tab engagement for stabilizing between the corner connected Zargenstäben and / or an engagement between a projection on the one Zargenstab and a corresponding recess on the other Zargenstab be provided. For this purpose, at least one of the two corner bars connected Zargenstäbe have a profile with two substantially parallel spaced apart extending profile areas. A first of these profile areas is engaged behind on a first side by a protruding from the other Zargenstab tab. The other profile region rests with a second side opposite the first side on a surface region of the other Zargenstabes, which runs parallel to the tab. As a result, the one Zargenstab is taken by the other in the pliers, so that the Zargenstäbe are relatively movable only parallel to the extension of the tab. The tab can extend from a projecting profile region of the other Zargenstabes cranked, so that the profile region acts as a stop for the first Zargenstab, and the Zargenstäbe are further limited in their relative movement to each other. Each remaining degree of freedom can then be releasably fixed by a releasable fastener of the corner connecting device. As a result, despite the ease of mounting by means of screw connections, it is possible to create a frame which is extremely insensitive to torsional forces and thus particularly suitable for fire doors.

If both horizontally arranged Zargenstäbe are formed in several parts and / or mirror images of each other and / or identical to each other, the possibility of using the frame in a turning door or as Wendezarge is created with ease of manufacture. It is preferred that the frame bars to be arranged vertically or the entire frame are mirror-symmetrical to a horizontal Zargenmittelebene. If the frame bars to be arranged vertically both have at least one trap receiving opening and receiving devices for receiving door hinges, then a common-part strategy and / or the use of the optional right / left stop frame without turning the frame opens up.

If the frame bars to be arranged vertically are provided in a receiving groove with a strip of intumescent material in case of fire, a suitability for higher fire protection classes (T90, T120) without any special visual loss is given. It has a particular advantage for the appearance of the frame, if the strips do not reach to the Zargenecken, wherein in the remaining space of the receiving groove, a part of the Eckverbindungsvorrichtung, in particular a tab of the connecting angle is arranged. As a result, the tab can be arranged on the visible side of the frame without attracting attention.

1. a) Bereitstellen der vormontierten Zarge und
2. b) Entfernen eines Teils des mehrteiligen Zargenstabes bei Bedarf über die Schraubverbindung.
   Ein alternatives Verfahren zu Montieren der erfindungsgemäßen Zarge hat die Schritte:
3. c) Bereitstellen der Zargenstäbe mit vereinzelten Teilen des mehrteiligen Zargenstabes und
4. d) Verschrauben der Zargenholme unter Befestigen oder Weglassen eines der mehreren Zargenstabteile bei Bedarf.

An advantageous method for mounting a frame according to the invention has the steps:

1. a) providing the preassembled frame and
2. b) removing a part of the multi-part Zargenstabes if necessary via the screw connection.
   An alternative method for mounting the frame according to the invention has the steps:
3. c) providing the Zargenstäbe with isolated parts of the multi-part Zargenstabes and
4. d) screwing the Zargenholme under attaching or omitting one of the several Zargenstabteile if necessary.

• Montagemöglichkeit bauseits wahlweise mit- oder ohne Bodeneinstand durch über Schraubverbindung entfernbaren Wechselwinkel;
• vollständige Entfallmöglichkeit des unteren Fußprofiles nach Montage bzw. Eingießen der Seitenstäbe (d.h.: Montage ohne Bodeneinstand und ohne Anschlagschwelle möglich);
• Abdeckung der In- und Auslandsmontagesituation über ein Produkt, Erfüllen von Bauvorschriften verschiedener Staaten mit einem Produkt möglich;
• Zarge rechts-/links verwendbar (insbesondere mit höhenverstellbaren Bandsystem);
• wahlweise Auslieferung der fertig montierten Zarge über bzw. der losen Auslieferung vormontierter Zargeneinzelstäbe;
• stabile verwindungsfreie Zargeneckverbindung im montiertem Zustand;
• Positionierung der Zargenstäbe zueinander über eingebrachte Tütungslöcher und anschließende Schraubverbindung mit selbstschneidenden Schrauben;
• Eckwinkelbreite an Zargenmaulweite anpassbar;
• Eckwinkel mit ergänzenden Zentrierhilfen.

In the invention or advantageous embodiments thereof, the following advantages over products which correspond to the prior art are given alternatively or cumulatively:

• Mounting option on site optionally with or without bottom recess by means of screw-removable removable angle bracket;
• complete elimination of the lower Fußprofiles after installation or pouring the side bars (ie: installation without Bodeneinstand and without stop threshold possible);
• Covering the domestic and foreign assembly situation via a product, compliance with building regulations of different states with one product possible;
• Frame can be used right / left (especially with height-adjustable hinge system);
• optional delivery of the assembled frame over or the loose delivery of preassembled Zargeneinzelstäbe;
• Stable torsion-free Zargeneckverbindung in the assembled state;
• Positioning of the frame rods to each other via introduced holes and subsequent screw connection with self-tapping screws;
• Corner angle width adaptable to frame width;
• Corner bracket with supplementary centering aids.

Fig. 1

eine perspektivische Ansicht einer Ecke einer Zarge von innen mit einer Eckverbindungsvorrichtung im montierten Zustand aufgesetzt auf den Boden (OFF), wobei ein Teil eines zweiteiligen unteren horizontalen Zargenstabs weggelassen worden ist:

Fig. 2

eine Ansicht vergleichbar Fig. 1 mit beiden Teilen des horizontalen Zargenstabes;

Fig. 3

eine Vorderansicht der Zarge;

Fig. 4

eine Schnittansicht von oben entlang der Linie B-B von Fig. 3;

Fig. 5

eine teilweise entlang der Linie C-C von Fig. 4 weggeschnittene Vorderansicht der Zargenecke;

Fig. 6

eine perspektivische Ansicht der Zargenecke von unten;

Fig. 7

eine perspektivische Ansicht eines in der Zargenecke eingesetzten Eckverbindungswinkels;

Fig. 8

eine Rückansicht der Zarge, deren Zargenecke in Fig. 1 gezeigt ist;

Fig. 9

eine Seitenansicht der Zarge;

Fig. 10

eine entlang der Linie E-E von Fig. 8 geschnittene Draufsicht auf die Zarge;

Fig. 11

eine perspektivische Außenansicht auf eine Zargenecke der Zarge;

Fig. 12

eine Innenansicht der Zargenecke von Fig. 11;

Fig. 13

einen Schnitt durch die Zargenecke entlang der Linie F-F von Fig. 14;

Fig. 14

eine entlang der Linie A-A von Fig. 8 geschnittene Seitenansicht der Zarge mit Blick auf einen seitlichen Zargenstab ― Schloß-/Bandstab genannt ―;

Fig. 15

eine Vorderansicht einer mit der Zarge nach den voranstehend genannten Figuren versehenen Tür;

Fig. 16

eine perspektivische Außenansicht von der Seite und von unten auf die Tür, die ein in die Zarge eingesetztes Türblatt aufweist;

Fig. 17

eine teilweise entlang der Linie J-J von Fig. 15 weggeschnittene perspektivische Ansicht von der Seite und von oben auf die Tür mit Zarge und Türblatt;

Fig. 18

einen Vertikalschnitt durch die Tür entlang der Linie G-G von Fig. 15;

Fig. 19

einen Horizontalschnitt durch die Tür entlang der Linie H-H von Fig. 15;

Fig. 20

eine weggebrochene Schnittansicht der Bandseite der Tür entlang der Linie I-I von Fig. 15; und

Fig. 21

eine perspektivische Vorderansicht einer oberen Ecke der Tür, geschnitten entlang der Linie J-J von Fig. 15.

Embodiments of the invention are explained below with reference to the accompanying drawings. It shows:

Fig. 1

a perspective view of a corner of a frame from the inside with a corner joint device in the mounted state mounted on the floor (OFF), wherein a part of a two-part lower horizontal Zargenstabs has been omitted:

Fig. 2

a view comparable Fig. 1 with both parts of the horizontal Zargenstabes;

Fig. 3

a front view of the frame;

Fig. 4

a sectional view from above along the line BB of Fig. 3 ;

Fig. 5

a part along the line CC of Fig. 4 cutaway front view of the Zargenecke;

Fig. 6

a perspective view of the Zargenecke from below;

Fig. 7

a perspective view of a corner joint angle used in the corner joint;

Fig. 8

a rear view of the frame, whose Zargenecke in Fig. 1 is shown;

Fig. 9

a side view of the frame;

Fig. 10

one along the line EE of Fig. 8 cut plan view of the frame;

Fig. 11

an external perspective view of a Zargenecke the frame;

Fig. 12

an interior view of the corner of Fig. 11 ;

Fig. 13

a section through the Zargenecke along the line FF of Fig. 14 ;

Fig. 14

one along the line AA of Fig. 8 sectioned side view of the frame with a view of a lateral Zargenstab - called lock / strip rod -;

Fig. 15

a front view of a provided with the frame according to the above figures door;

Fig. 16

an external perspective view from the side and from below of the door, which has a door inserted into the frame door leaf;

Fig. 17

a part along the line JJ of Fig. 15 cut away perspective view from the side and from the top of the door with frame and door leaf;

Fig. 18

a vertical section through the door along the line GG of Fig. 15 ;

Fig. 19

a horizontal section through the door along the line HH of Fig. 15 ;

Fig. 20

a broken away sectional view of the hinge side of the door along the line II of Fig. 15 ; and

Fig. 21

a front perspective view of an upper corner of the door, cut along the line JJ of Fig. 15 ,

The following is first based on the 15 to 20 the basic structure of an embodiment of a fire door 1 is explained, then is based on the 8 to 14 the basic structure of a frame 5 used therein is explained, and then starting with Fig. 1 the frame construction described in detail.

The in the FIGS. 14 to 20 shown door 1 has a cover sheet 2 and box 3 formed door leaf 4 in fire protection design and a frame 5 in fire protection steel.

The door 1 is designed as R / L door; by turning the door 1 with frame 5 and door leaf 4 about a plane perpendicular to the door plane central axis by 180 ° can easily achieve a change of the direction of the stop from left stop to right stop or vice versa.

The frame 5 is formed of four Zargenholmen or Zargenstäben 6a, 6b which are connected to each other via corner connecting devices 7. As vertically or laterally to be arranged Zargenstäbe 6a come a lock rod 8, which is provided centrally with a latch opening 9 for the case 23 of a lock 24 of the door leaf 4, and a band bar 10 with two height-adjustable door bands 11 are used. Horizontally arranged frame bars 6b are formed by a head bar 12a and a foot bar 12b, wherein the head bar and the foot bar 12a, 12b are constructed substantially identically. The structure of the door hinges 11 is in the mitanhängigen German patent applications DE 103 35 349.6 such as DE 103 16 891.5 exactly described and shown, which is hereby referred to avoid repetition. With these height-adjustable door hinges can also make a height adjustment of the door panel after turning the door 1.

Central bulges of the door leaf 4 in case of fire are avoided or reduced by at least one locking pin 22 which is screwed to the door leaf 4 and in a corresponding opening on the ribbon rod - here also prepared on the ribbon rod latch opening 9 - engages.

The 8 to 14 show the frame 5 without the door leaf 4. As can be seen, the horizontal Zargenstäbe 6b are divided in their longitudinal direction; they are composed of two sub-elements in the form of angle-shaped sheet steel profiles 13 and 14, namely a frame angle 13 and an optionally used change angle 14th

The corner joint device 7 is similar in purpose to the corner joint device shown in the EP 0 940 550 A2 which is expressly referred to. The functions of the EP 0 940 550 A2 Known corner joint device are also met by the corner joint device 7. Only this is done even easier and easier to assemble, since instead of a welded joint, a screw 15 is used.

For this purpose, the corner connecting device 7 has a Eckverbindungswinkel in the form of a screw 16, which is provided with screw holes 17, 17a, 17b, which in turn surrounded by recessed, in particular deep-drawn opening edge regions 18, 18a, 18b, here cone-shaped. In the frame bars 6a, 6b to be connected to each other, recesses in the form of further conical opening edge areas 19, 19a, 19b, 19c, likewise formed by deep-drawing, are provided around respective screw openings 27, 27a, 27b fitting for the helix angle into which the opening edge areas 18, 18 a, 18 b of the screw 16 can engage positively.

The screw 15 further has per Eckverbindungsvorrichtung 7 more, here three self-tapping screws or thread-forming screws 20, 20a, 20b. These are here provided with countersunk heads, which fit into the recessed opening edge regions 18, 18a, 18b and 19, 19a, 19b.

The Zargenstäbe 6a, 6b are also still on tab engagement 21, which match with the alignment of the frame bars 6a, 6b match each other, fixed to each other. This will be explained in more detail below with reference to the corresponding drawings.

The frame 5 described here can be completely pre-assembled depending on the circumstances at the site or with the isolated frame rods 6a, 6b supplied.

The screw 15 not only attached to the horizontally arranged Zargenstäbe 6b to the lock bar 8 and Bandstab 10 (see Fig. 13 ), but also the two sub-elements 13, 14 of the respective horizontal Zargenstabes 6b, 12a, 12b to each other (see Fig. 11 to 14 , in particular 13). The portion - first tab 25 - of the screw 16, which is to be attached to the foot or head bar 12a, 12b, this is provided with a first 17 and a second 17a of the angle-side screw holes 17, 17a, 17b. One of the two sub-elements 13, 14, namely here the change angle 14, is provided only with a first conically recessed screw hole 27 for receiving the first screw 20, while the other sub-element has the first screw hole 27 and the second screw holes 27 a. Thus, by releasing only the first two sub-elements 13, 14 by cross-bolts 20, one can solve the attachment of the changing angle 14 from the frame angle 13, while the frame angle remains fixed by the second screws 20a on the vertical frame rods.

As Fig. 10 shows, also a central screw 15a is provided, which serves only for detachable connection of the two sub-elements 13, 14 of the horizontally arranged Zargenstäbe 6b and not to the corner joint thereof to the two vertically arranged Zargenstäbe 6a.

The basic structure of the frame 5 is from the previously explained 8 to 14 seen. Details and installation examples are in the Fig. 1 to 7 shown in detail below. Depending on whether a more or less high threshold should be present or not, the change angle 14 is screwed (left) - installation example according to Fig. 2 - or removed - installation example Fig. 2 - Or the foot bar 12b completely removed (not shown).

Fig. 1 shows an example in which between the spaces to be closed by the door no step or no Bodeneinstand is or should be. In this case, there is an installation of the frame 5 without lower change angle 14. The Fußstab 12 is then formed only by the frame angle 13, which also ensures a very high stability of the frame frame.

The frame angle 13 is formed by a multi-bent steel profile strip. The profile of the same has a first stop area 30 as a stop for the box 3 of the door leaf 4. The free edge of the first stop area 30 has a on even bent-back edge region 29, which acts reinforcing and brings unsightly or possibly sharp edges from the field of view and detectability. The first stop area 30 merges into a U-profile area 31, which serves for profile stabilization and for receiving a door seal 28 (shown in FIG Fig. 18, 19 ) is usable, which is why the first abutment portion opposite U-leg 32 is formed Z-shaped for forming a tangible supernatant. This is followed by a profile web area 34. The profile land region has the first and second conical opening edge regions 19, 19a produced by deep drawing which are arranged side by side in a small distance extending in the longitudinal direction of the foot bar 12. At the profile web portion 34 is still an edge-side bend 35 connects. The bend 35 has at the bottom approximately the same extension downwards as the U-profile area 31. The U-profile area 31 and the peripheral bend 35 thus form a good base for supporting the frame 5 on the floor (OFF).

As a lateral Zargenstab 6a here the ribbon bar 10 is shown with a frame-side part of the door hinge 11. However, the representation is just as representative of the lock-side lower Zargenecke because ribbon bar 10 and lock bar 8 are constructed essentially identical for manufacturing reasons; on the lock bar 8, only the door hinges 11 are omitted.

The two vertically arranged Zargenstäbe 6a are very similar to the basic structure of the frame angle 13, so that for corresponding profile areas the same reference numerals, supplemented "used with a" and can be referenced to explain the vertically arranged Zargenstäbe to the above detailed description. However, the bend 35a in the frame bars 6a to be arranged vertically is longer than the edge bend 35 of the frame angle 13. And again, a bend 36a adjoins the bend 35a, which then runs at a distance parallel to the profile web area 34a. The profile web portion 34 a of the vertically arranged Zargenstäbe 6 a is also provided with a receiving groove 38. There, a fire protection strip 39 is glued from intumescent material in case of fire. The fire protection strip 39 consistently occupies most of the receiving groove 38; in the end regions at the Zargenecke adjacent to the fire protection strip 39, however, the second tab 40 of the screw 16 is received in the receiving groove 38. The second tab 40 is matched in appearance (contour, width, thickness, color) to the appearance of the fire protection strip 39.

The profile web region 34a of the ribbon rod 10 or lock rod 8 also has a greater extent in the direction of the door thickness than the profile web portion 34 of the frame angle 13, so that the bend 35a of the side bars 8, 10 by a distance corresponding to at least the sheet thickness of the change angle 14 further protrudes than the edge-side bend 35 of the frame angle 13. The bend 35a acts as a second stop area for the door leaf 4, namely for the opposite of the box 3 above door fold 41 (see, eg Fig. 19 ).

The first abutment portion 30 of the frame angle 13 does not reach to the ends thereof, but is cut out to form a narrow receptacle 42 of the abutting first abutment portion 30a of the horizontally disposed frame rod 8, 10, see also Fig. 6 showing the corner from behind. With the front side 43 of the first stop area 30a, the horizontally arranged Zargenstab 8, 10 is supported on the frame angle 13 from.

At the peripheral edge 53 of the profile web portion 34 of the frame angle 13 is also an arcuate recess 46 for positively receiving a arranged on the helix 16, also rounded trained projection 52 is provided. The engagement between the recess 46 and the projection 52 acts when screwing the frame angle - as the interventions between the opening edge regions 18, 19, 18a, 19a, 18b, 19b self-centering. In addition, the interlocking interventions provide a firm assurance against Relatiwersetzung connected to the corner joint device 7 parts. This is particularly advantageous in case of fire due to temperature differences strong distortion forces advantageous.

The Fig. 2 to 6 show an example of installation of the frame 5 with changing angle 14, for example, a stage between the separable through the door 1 spaces (not shown) cover or can form.

The change angle 14 is formed as a simple angle profile with two profile legs 44 and 45 bent at a right angle to one another.

The first profile leg 44 lies closely on the profile web portion 34 of the frame angle 13. He covers the second screw 20a, which is further away from the corner It is also provided at a corresponding position as the frame angle with a fourth screw opening 27c corresponding to the first screw opening 27, with a corresponding fourth conical deep-drawn opening edge area 19c. This engages positively in the first opening edge region 19 lying closer to the corner on the profile web region 34 of the frame angle 13. The first screw 20 connects the changing angle 14 with the frame angle 13 and with the first tab 25 of the screw 16.

The first profile leg 44 has further on a recess 46 corresponding position at its peripheral edge 54 an arcuate recess 46a for receiving the projection 52 at the helix 16.

The second profile leg 45 rests on the peripheral bend 35 of the frame angle 13. Its visible side 47 is flush with the visible side 48 of the peripheral bend 35 a of the vertically arranged Zargenstabes 8, 10. An upper part of the second profile leg 45 stops with the peripheral edge 54 of the first profile leg 44. A remaining lower part is continued in the longitudinal direction beyond the peripheral edge 54 in the form of a flag 49, which is defined by the bottom level (OFF) defined by the underside of the U-profile region 31 and the lower edge of the peripheral bend 35 to the lower end edge 55 of second profile leg 45 extends downwardly and laterally below the bend 35a flush therewith. Towards the top of the flag 49 of a tab 50 which is bent to the flag 49 integrally formed therewith and the back 51 of the bend 35 a this engages behind grasps. By the lug engagement 21 forming tab 50 and the stop between the bend 35 and the flag 49 and the detection of the two first stop portions 30, 30a relative movement possibilities of the abutting over corner frame rods 6a, 6b are limited. The remaining degrees of freedom are removably removed by the screw 15.

The following is based on the Fig. 7 the helix 16 explained in more detail. The first, the head / Fußstab 12 associated tab 25 is provided with the first and the second cone-shaped deep-drawn edged 18, 18 a threaded opening 17, 17 a provided. The second tab 40 associated with the frame bars 6a, 6b to be arranged vertically has only one, namely the third conically-edged 18b screw openings 17b. Further, the projection of the above-mentioned projection-recess engagement 26 on the second tab 40 is in shape a depression (deep drawing) 51 is formed. The projection-return engagement 26 forms an anti-rotation device for preventing relative rotation of the frame rod 8, 10 and helix angle 16. A bending region 57 between the two tabs 25, 40 is reinforced with a stiffening device 58. This is essentially by a deep-drawn stiffening bead 59 ( Fig. 6 ) educated. Due to the deep drawing forms the stiffening bead 59 on its back inside the Schraubwinkelecke the projection 52 (FIG. Fig. 7 ), which engages positively in the recesses 46, 46 a of the horizontally arranged Zargenstabes 6 b.

In the horizontal Zargenstäben 6b no fire protection strips are provided in the embodiment, For the horizontally arranged end face sides 60 of the door leaf 4 have comparable fire protection strip 61 from intumescent material in case of fire. The sub-elements 13, 14 of the horizontal Zargenstäbe 6b are constructed identically at the top and bottom. When using the change angle 14 so the horizontal Zargenstäbe 6b, ie head bar 12a and Fußstab 12b are identical, so that the representation of Fig. 2 and 6 is also representative of the two upper Zargenecken.

There are different variants for mounting. In a first variant, the complete frame 5 can be pre-assembled at the factory and delivered with preassembled door leaf 4. At the installation site it can then be decided whether the use should be made with a left or right stop with or without a change angle. If no step is to be created at the bottom, the change angle 14 is removed in the horizontal gimbal rod 6b, which is to be attached at the bottom, in accordance with the selected stop type - footstool 12b. This can be done by loosening only two screws, namely the first screw 20, which can be screwed into the frame angle 13 and screw 16 again after removing the change angle 14. If no door threshold is to be present, the complete foot bar 12b is removed, which in turn can be done by loosening only two screws 20b, namely the third screws 20c, which connect the helix 16 to the band bar 10 and the lock bar 8.

In the second variant, the side bars 6a, 8, 10 and the preassembled horizontal bars 6b, 12a, 12b delivered with pre-mounted helix 16 sporadically and bolted together at the site, which in turn per Zargenecke only one screw (third screw 20c) must be screwed. The tightening torque of the thread-forming countersunk screws 20, 20a, 20c is approximately 4.5 during assembly or factory pre-assembly Nm ± 20%. This moment includes the thread torque of approx. 2 to 3 Nm.

LIST OF REFERENCE NUMBERS

1

door

2

cover sheet

3

box

4

door leaf

5

frame

6a

vertical frame bars (side bars)

6b

horizontally arranged frame rods

7

corner connecting

8th

Castle bar

9

Trap opening for latch trap

10

strip bar

11

hinge

12a

head staff

12b

Fußstab

13

frame angle

14

alternate angles

15

screw

15a

central screw connection

16

helix angle

17

first screw opening at the helix angle

17a

second screw opening at the helix angle

17b

third screw opening at the helix angle

18

first conical opening edge area at the helix angle

18a

second conical opening edge area at the helix angle

18b

third conical opening edge area at the helix angle

19

first conical opening edge area at the frame angle

19a

second conical opening edge area at the frame angle

19b

third conical opening edge area on the side bar

19c

fourth conical opening edge area at the angle of change

20

first thread-forming countersunk screw

20a

second thread-forming countersunk screw

20b

third thread-forming countersunk screw

21

Lasch intervention

22

safety bolt

23

Cases

24

lock

25

foot / wand-side tab of the screw angle

26

Engagement between projection / recess

27

first screw holes on the frame

27a

second screw holes on the frame

27b

third screw holes on the frame

28

door seal

29

border area

29a

border area

30

first stop area

30a

first stop area

31

U-profile area

31 a

U-profile area

32

U-leg

32a

U-leg

34

Profile web region

34a

Profile web region

35

edge bend

35a

edge bend

36a

back bend

38

receiving groove

39

Firebreaks

40

second tab

41

door rebate

42

Recording for stop area 30a

43

front

43a

Support surface or abutment surface for the stop area 30a

44

first profile leg

45

second profile leg

46

recess

46a

recess

47

Visible side second profile leg

48

Main page

49

Flag-shaped continuation of the second profile leg

50

flap

51

Expression (first lead)

52

Stiffening strut forms (second) projection in the corner of the screw

53

Edge edge frame angle

54

Edge of the first profile leg

55

Lower edge of the second profile leg

56

Rear of the bend 35a

57

Umbiegungsbereich

58

stiffener

59

reinforcing bead

60

Face wide sides of the door leaf

61

Firebreaks

62

Receiving opening for ejection on the vertical frame rod

Claims (24)

1. Frame (5) for a swing door (1), having a plurality of frame bars (6a, 6b) which are connected or connectable to one another at corners of the frame, and of which two frame bars (6b; 12a, 12b) that are to be arranged horizontally are of sectional construction and each comprise two sections (13, 14) that are releasably connected or connectable to one another, characterised by a releasable corner connecting device (7) for connecting two frame bars (6a, 6b), wherein also the two sections (13, 14) of the frame bars (6b) that are to be arranged horizontally are releasably fixed or fixable to one another by means of the corner connecting device (7) and are constructed so as to enable the frame to be adapted on site by the customer to fit a more or less high door threshold.
2. Frame according to claim 1, characterised in that the corner connecting device (7) comprises a corner connecting angle member (16) having a first flange (25) for releasably fixing the frame bar (6b) that is to be arranged horizontally and two fasteners (20, 20a), of which a first fastener (20) connects only one or both (13, 14) of the two sections and a second fastener (20a) connects only the other section (13) to the first flange (25).
3. Frame according to one of the preceding claims, characterised in that frame bars (6a, 6b) are connected by a screw connection (15) at their corners.
4. Frame according to claim 2 and 3, characterised in that the corner connecting angle member is a screw-type angle member (16) that can be screwed to both frame bars (6a, 6b) meeting at their corners.
5. Frame according to one of claims 2 or 4, characterised in that the corner connecting angle member (16) has a second flange (40) which comprises a fastener opening (17c) for accommodating a third fastener (20c) for fixing a frame bar (6a) that is to be positioned vertically, and a rotation lock (26) which - particularly when using the third fastener (20c) - prevents relative rotation of the frame bar (6a) that is to be positioned vertically and the second flange (40).
6. Frame according to claim 5, characterised in that the rotation lock (26) has a first projection (51) on one (40) of the two parts that are to be connected here - the second flange (40) and the frame bar (6a) that is to be positioned vertically - and has an accommodation opening (62) on the other part (6a) for holding the first projection (51) by interlocking engagement.
7. Frame according to one of the preceding claims, characterised in that the corner connecting angle member (16) has in the region of its angle a reinforcing device (58), particularly a reinforcing bead (59) extending transversely with respect to the angle and formed by an inward bend, or a reinforcing strut (52) forming a second projection.
8. Frame according to claim 7, characterised in that at least one (6a) of the two frame bars (6a, 6b) to be joined together by the corner connecting angle member has a recess (46, 46a) at its edge region on the end face, for accommodating by interlocking engagement the reinforcing device (58, 52) projecting in the corner of the connecting angle.
9. Frame according to one of the preceding claims, characterised in that the corner connecting device (7) has fastener openings (17, 17a, 17b; 27, 27a, 27b) for receiving fasteners (20, 20a, 20b) in the parts (16; 6a, 6b; 8, 10; 12a, 12b; 13, 14) that are to be joined at or by means of the corner connecting device (7), such that opening edge regions (18, 18a, 18b; 19, 19a, 19b) of the fastener openings (17, 17a, 17b; 27, 27a, 27b) of two parts (16; 6a, 6b; 8, 10; 12a, 12b; 13, 14) that are to be joined are in interlocking engagement with one another.
10. Frame according to claim 9, characterised in that the opening edge region (18, 18a, 18b; 19, 19a, 19b) of a fastener opening (17, 17a, 17b; 27, 27a, 27b) on one of the two parts (16; 6a, 6b; 8, 10; 12a, 12b; 13, 14) that are to be joined at or by means of the corner connecting device (7) is of hollow construction tapering towards the fastener opening and the other opening edge region (18, 18a, 18b; 19, 19a, 19b) of the associated fastener opening (17, 17a, 17b; 27, 27a, 27b) of the other part is of a corresponding projecting construction tapering towards the opening.
11. Frame according to one of claims 9 or 10, characterised in that the opening edge regions (18, 18a, 18b; 19, 19a, 19b) of the fastener openings (17, 17a, 17b; 27, 27a, 27b) are formed by deep-drawing.
12. Frame according to one of the preceding claims, characterised in that the corner connecting device (7) has thread-cutting or thread-grooving screws (20, 20a, 20b) which form their own thread on correspondingly shaped fastener openings (17, 17a, 17b; 27, 27a, 27b).
13. Frame according to one of the preceding claims, characterised by a flange engagement (21) for stabilisation between the frame bars (6a, 6b) connected at the corner and/or an engagement between a projection (30a) on one frame bar (6a) and a corresponding recess (42) on the other frame bar (6b).
14. Frame according to claim 13, characterised in that at least a first (6a) of the two frame bars (6a, 6b) connected at the corner has a profile with two profile regions (30a, 35a) extending substantially parallel and at a spacing from one another, a first one (35a) of these profile regions being engaged on a first side (56) by a flange (50) protruding from the second frame bar (6b; 14) and the second profile region (30a) abutting, by means of a second side (43) facing in the opposite direction to the first side, on a surface region (43a) of the other frame bar (6b, 13) extending parallel to the flange (50), so that the frame bars (6a, 6b) are relatively movable only parallel to the direction of extent of the flange (50).
15. Frame according to claim 14, characterised in that the flange (50) extends in a stepped configuration from a projecting region (49) of the other frame bar (6b; 14), so that the projecting region (49) acts as a stop for the first frame bar (6a), and the frame bars have limited mobility relative to one another.
16. Frame according to claim 15, characterised in that, for every degree of freedom of a relative movement that is still possible, a fastener of the corner connecting device (7) creates a fixing that is releasable in this one direction of movement.
17. Frame according to one of the preceding claims, characterised in that the two frame bars (6b; 12a, 12b) that are to be mounted horizontally are mirror-symmetrical to one another and/or identical to one another in construction.
18. Frame according to one of the preceding claims, characterised in that the frame bars (6a; 8, 10) that are to be mounted vertically, or the frame (5) as a whole, are constructed to be mirror-symmetrical to a horizontal central plane (E-E) of the frame.
19. Frame according to one of the preceding claims, characterised in that the frame bars (6a; 8, 10) that are to be mounted vertically both have at least one latch accommodating opening (9) and means for accommodating door hinges (11).
20. Frame according to one of the preceding claims, characterised in that at least the frame bars (6a) that are to be mounted vertically are each provided, in a receiving groove (38), with a strip (29) of a material that foams in the event of a fire.
21. Frame according to claim 20, characterised in that the strip (39) does not extend as far as the corners of the frame, the space remaining in the accommodating groove (38) housing a part of the corner connecting device (7), particularly a flange (40) of the corner connecting angle member (16).
22. Door, particularly a fire protection door (1), characterised by a frame (5) according to one of the preceding claims.
23. Door according to claim 22, characterised in that it is designed to be hung as either a right-handed or left-handed door.
24. Method of mounting a door (1) and/or a frame (5) according to one of the preceding claims,
    characterised by the steps of

    (a) preparing the pre-assembled frame (5), according to one of claims 1-21, and

    (b) removing a part (14) of the sectional frame bar (6b) or of the entire horizontal frame bar (6b) if necessary by undoing the screw connection.

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