EP3342970A1 - Backfilling device and closed frame comprising same - Google Patents

Abstract

The invention relates to the technical field of frames and in particular the backfilling of the same to achieve a fire protection function. In order to achieve an adjustable jaw width in a fire protection frame with simple structural means, the invention provides a back-feeding device (218) for backing a Umfassungszarge (10) with adjustable mouth width, which Umfassungszarge (210) a first Zargenteilstab (236) and a second Zargenteilstab (288), wherein the frame part rods (236, 288) are formed to surround a wall portion bounding a building opening and slidably engage each other to set a mouth width, wherein the back-feeding device (218) comprises at least one spacer element (228, 230) having an opening (278) for passing through a fastener by means of which the first frame part rod (236) is to be fastened to the wall region, and is designed to maintain a distance between the first frame part rod (236) and the wall region, wherein a clamping tab (234) is formed on the spacer member (228) or on at least one (228) of a plurality of spacer members (228, 230) for slidably clamping a flange (296) or insertion portion (224) of the second frame member rod (288). is formed on the first Zargenteilstab (236).

Description

The invention relates to a back-feeding device for the backfilling of a frame and a Umfassungszarge with adjustable mouth width. Moreover, the invention relates to uses of such a back-feeding device and a method for mounting such a Umfassungszarge.

Frames are used in masonry masonry and serve to hold a door leaf. Conventional frames usually have at least three Zargenholme (hereinafter also called Zargenstäbe), which communicate with each other. Frames are usually made of wood-based materials or metal, such as steel. The main focus will be on these steel or metal frames.

For the installation of known frames, they are first positioned in a reveal of masonry. Subsequently, the frame by means of suitable fasteners, in particular Schraubbefestiger, connected to the masonry. So that the frame retains its position during assembly, a spacer element is introduced in many cases between the masonry and the frame. Often it is difficult to introduce a spacer element between the frame spar and the masonry, especially if the distance between the frame spar and the masonry is very low.

From the DE 10 2014 116 290 A1 is a Umfassungszarge made of metal with adjustable jaw width, which is provided with a first formed as a metal profile part Zargenteilstab and a second designed as a metal profile part Zargenteilstab, wherein the Zargenteilstäbe are formed for embracing a wall portion and engage to adjust a mouth width displaceable to each other. The attachment of the frame is done via a slanted screw-dowel fastener, by means of a mounting bracket or by foaming using mounting foam. The Umfassungszarge is characterized in addition to a simple structure and an aesthetic look by the fact that a dry attachment without subsequent mortar or masonry work is possible.

From the EP 2 213 825 B1 is a frame with one-piece Zargenholmen with a spaced-adjustable back-feeding device is known which has Einstellkeile. From the EP 2 196 613 B1 is a one-piece Zargenholm, a thus providable frame and a method for fixing such Zargenholms known in which a fastening can be done from a front of the frame by means of fasteners. From the EP 2 290 186 B1 is a one-piece Zargenholm, a Zargenbefestigungsvorrichtung and a frame provided therewith known in which a back-feeding device comprises a plurality of spacer elements. Another back-feeding device for one-piece Zargenholme is from the EP 2 333 221 B1 known. The frames according to the prior art after the EP 2 213 825 B1 , of the EP 2 196 613 B1 and the EP 2 290 186 B1 can also be installed dry, without subsequent mortar or masonry work.

Based on the state of the art according to the DE 10 2014 116 290 A1 It is an object of the invention to improve a Umfassungszarge with adjustable mouth width such that it can also be used as a frame for fire doors. Based on the state of the art according to the EP 2 213 825 B1 , of the EP 2 196 613 B1 and the EP 2 290 186 B1 It is an object of the invention to provide a simplified mass production of frames that are suitable for very different structural conditions.

This object is solved by the subject matters of the independent claims.

Advantageous embodiments are the subject of the dependent claims.

According to a first aspect, the invention provides a back-feeding device for back-loading a surrounding frame adjustable jamb, which Umfassungszarge having a first Zargenteilstab and a second Zargenteilstab, wherein the Zargenteilstäbe for embracing a building opening verandenden wall area are formed and engage to set a mouth width slidably engage each other, the Hinterfütterungsvorrichtung comprises at least one spacer element having an opening for reaching through a fastener by means of which the first frame part rod is to be fastened to the wall region, and is designed to maintain a distance between the first frame part rod and the wall portion, wherein on the spacer element or on at least one of a plurality of spacer elements in each case a clamping tab is formed, which for slidably clamping a flange of the second Zargenteilstabes is formed on the first Zargenteilstab.

It is preferred that the spacer member formed with the clamping tab has a first support portion for supporting a first profile portion of the first frame member rod having a fastener receiver for the fastener.

It is preferred that the first support region is U-shaped with a first support leg and a second support leg and a web region connecting the support leg.

It is preferred that the first support leg for supporting on one side of the fastener receiving and the second support leg for supporting on the other side of the fastener receptacle is formed and the land portion having the opening for passing through the fastener.

It is preferred that the support legs are substantially at right angles away from the web area.

It is preferred that the clamping tab has a first clamping leg and a second clamping leg, which on both sides of a clamping tab web area striving to the free end of the flange or Clamp insertion area against a second profile region of the first Zargenteilstabes.

It is preferred that the clamping legs be inclined at an acute or obtuse angle obliquely from the clamping tab web portion and / or that the free ends are each provided with a serrated edge.

It is preferred that the clamping legs and the support legs protrude on the same side of the spacer tab provided with the spacer element, preferably such that the clamping legs project further than the support legs.

It is preferred that the opening on one side of the spacer element is open, so that the spacer element can be pushed onto a shaft of the fastener pre-attached to the first frame part rod.

It is preferred that the opening is formed as a slot.

It is preferred that the clamping tab is formed at a first end of the spacer member, wherein the opening is formed at a second end opposite the first end.

According to a further aspect, the invention provides an enclosure rim with adjustable mouth width comprising a first frame member rod and second frame member rod, said frame member rods adapted to enclose a wall portion bounding a building opening and slidably engaging each other to set a jaw width, and further comprising a back-feeding apparatus according to one the preceding embodiments.

It is preferred that a step is formed at a corner region of the Umfassungszarge whose first step edge is formed by the first Zargenteilstab and the second step edge of the second Zargenteilstab.

It is preferred that the Umfassungszarge is designed as Umfassungszarge for fire doors.

It is preferred that the frame is a Umfassungszarge according to one of the preceding embodiments.

It is preferred that the frame is a Umfassungszarge with adjustable mouth width, which has a first Zargenteilstab and second Zargenteilstab, wherein the Zargenteilstäbe are formed to encompass a building opening a wall bounding area and engage to set a mouth width slidable to each other and that the fire door further Set of fasteners and a back-feeding device according to one of the previously explained embodiments.

A preferred embodiment of the invention relates to a Umfassungszarge made of metal with adjustable mouth width, with a first formed as a metal profile part Zargenteilstab and a second designed as a metal profile part Zargenteilstab, wherein the Zargenteilstäbe are formed for embracing a wall portion and engage to adjust a mouth width displaceable to each other.

It is preferred that a step is formed at a corner region of the Umfassungszarge whose first step edge is formed by the first Zargenteilstab and the second step edge of the second Zargenteilstab.

According to the invention the Zargenteilstäbe are connected by a clamping connection. The clamping connection is formed at least in part by spacer elements, which serve for the backfilling of the frame.

It is preferred that the clamping connection is arranged in the region of the stepped edge formed by the stepped flanks.

It is preferred that the first Zargenteilstab is to attach with the interposition of a spacer element to the wall portion, wherein the Spacer element or at least one of a plurality of spacer elements (eg one per attachment point or one of several of a larger number of attachment points) has a clamping tab which forms a first clamping member or a first jaw of the clamping connection.

It is preferred that the clamping connection comprises a first clamping jaw formed by a tab of a spacer element and a second clamping jaw through a profile region of the first frame part rod, so that a slot-shaped receptacle is formed between the clamping jaws for an insertion region of the second frame part rod.

A preferred Umfassungszarge is characterized by a first part frame with a plurality of metal profile rods formed as the first Zargenteilstäben and a second part frame with a plurality of metal profile bars formed second Zargenteilstäben, the Teilzargen are formed for embracing a reveal area and engage to adjust a mouth width displaceable to each other.

It is preferred that the Umfassungszarge having a wall fastening means, which is designed for mounting only the first Zargenteilstabs on the wall portion, and that the second Zargenteilstab is to be fastened only via the clamping connection, wherein no wall attachment for the second Zargenteilstab is provided.

It is preferred that the wall fastening device is designed for fastening by means of oblique dowel mounting.

It is preferred that of the Zargenteilstäben only the first Zargenteilstab is formed for attaching door fitting parts.

For example, door hinges, abutment for catch or latch and door seals for sealing to a door leaf are only attached to the first Zargenteilstab and not on the second Zargenteilstab.

It is preferred that the back-feeding device has a first spacer element with the clamping strap and at least one second spacer element without clamping strap, wherein the first and the second spacer element are designed to engage through a Schraubbefestiger and the second spacer element for engaging, supporting and / or clamping the clamping strap is formed with tightened Schraubbefestiger.

A preferred embodiment of the invention relates to a back-feeding device for a prefastened in a reveal Zargenholm a frame of doors or gates. A further aspect of the invention relates to a spacer element for use in such a back-feeding device and to a method for back-feeding the prefixed frame spar.

Preferably, a back-feeding device for a prefastened in a reveal Zargenholm a frame of doors, in particular of fire doors is provided which has at least one spacer element for the back of the Zargenholms, wherein the spacer element has a fastener clamping device for clamping to a shaft, in particular threaded shaft, a fastener. Preferably, the Zargenholm is divided into a plurality of Zargenteilstäbe to form a frame with adjustable mouth width.

In an advantageous embodiment, the back-feeding device is designed such that it is possible in a simple manner and without any aids, in particular tools to backfill a Zargenholm.

In the application of the back-feeding device, the frame and in particular the Zargenholme is prefixed in the wall reveal by means of fastening elements preferably before the backfilling of the frame with the spacer element. Advantageously, this pre-attachment to a soffit masonry whose environment already is largely completed. This may be, for example, a stud work (drywall) or an already largely finished and plastered masonry. Thus, between the frame beam and the reveal only a small gap over which the fastener is to introduce present.

The spacer element is inserted over the gap between the frame spar and the reveal and clamped by means of the fastener clamping device onto a threaded shank of the fastening element. The fastener clamping device advantageously causes a clamping effect.

In a flat and plate-like configuration of the second spacer element, it is also possible to introduce the spacer element at a remaining between the masonry and the Zargenholm or between the masonry and the first spacer element small gap and clamp on the threaded shaft, without using a mounting aid.

For insertion, the spacer element is gripped on a side opposite the slot side and inserted into the gap between the frame spar and the masonry and pushed by means of the slot on a threaded shaft of a fastener. Subsequently, preferably, the spacer element is pushed so far either by complete impressions or by means of a tool, such as a hammer on the threaded shank of the fastener until it abuts a leg portion of the frame spar.

In an advantageous embodiment, the fastener clamping device is a trained slot. Due to the conical design of the elongated hole, a clamping effect is achieved, which increases the more the further the spacer element is pushed onto the threaded shank of the fastening element. Furthermore, a conically shaped slot represents a cost effective way to produce a fastener clamping device.

In an advantageous embodiment, the second spacer element has an anti-tilt stop. Advantageously, the anti-Verkippungsanschlag is rectangular for ease of manufacture. The anti-tilt stop is preferably designed such that it counteracts tilting of the spacer element in the clamped state. The anti-tilt stop on the one hand counteracts a tilting of the clamped spacer element and on the other hand ensures the anti-tilt stop in the stop state that an obliquely introduced spacer element again assumes a horizontal position.

The second spacer element is advantageously formed asymmetrically.

The invention provides a spacer element for the use of a back-feeding device according to the invention. The spacer element is characterized by its fastener clamping device, which is preferably a conically shaped slot. The fastener clamping device serves to clamp the spacer element to a threaded shaft of a fastener. Furthermore, the spacer element has an anti-tilt stop, which prevents tilting of the spacer element and serves to align the spacer element in the pushed-on state. The spacer element is also characterized by its easy-to-use mounting.

A further aspect of the invention relates to the use of a bridge-shaped or U-shaped spacer element, which has a support region with an opening for passing through a fastener and a clamping lug with clamping legs, as the first spacer for the backfilling of a band-side frame part of an enclosure frame with adjustable jaw width for a fire door, wherein in a lead-in between the clamping legs of the clamping plate and a profile region of the band-side frame part, an insertion region of a counter-band-side frame part of the Umfassungszarge to adjust the mouth width is slidably inserted.

1. a) lockeres Vorbefestigen eines ersten Zargenteilstabes mittels mehrerer Befestiger an einem Wandbereich;
2. b) Hinterfüttern des ersten Zargenteilstabes mit einer Hinterfütterungsvorrichtung gemäß einer der zuvor erläuterten Ausgestaltungen, wobei an wenigstens einigen der Befestigungsstellen das mit der Klemmlasche ausgebildete Abstandshalteelement auf einen Schaft des Befestigers aufgeschoben wird und gegebenenfalls weitere Abstandshalteelemente ohne Klemmlasche aufgeschoben werden, bis der erste Zargenteilstab mit dem erwünschten Abstand zum Wandbereich hinterfüttert ist;
3. c) Einschieben eines Einsteckbereichs des zweiten Zargenteilstabs, um die erwünschte Maulweite zu erreichen,
4. d) Befestigen der Befestiger, so dass der erste Zargenteilstab fest auf der Hinterfütterungsvorrichtung aufliegt.

A preferred method for assembling a surrounding frame (210) comprises the steps:

1. a) loosely pre-attaching a first Zargenteilstabes by means of a plurality of fasteners on a wall portion;
2. b) backing the first Zargenteilstabes with a Hinterfütterungsvorrichtung according to one of the above-described embodiments, wherein at least some of the attachment points the clamping member formed with the clamping plate is pushed onto a shaft of the fastener and optionally further spacer elements are pushed without clamping strap until the first Zargenteilstab with the desired distance to the wall area is backfilled;
3. c) insertion of a plug-in area of the second frame part bar in order to achieve the desired mouth width,
4. d) fastening the fasteners, so that the first frame part rod rests firmly on the back-feeding device.

Furthermore, the invention thus relates to a method for backfilling a prefastened Zargenholms, wherein the frame is backfilled with a spacer element of a back-feeding device. The method ensures the introduction of a spacer element between a Zargenholm and the reveal in a very late stage of construction, especially in the final construction, between Zargenholm and Mauergeibung a remaining for insertion of the spacer element gap is very small. For this purpose, the spacer element is gripped on a side opposite the slot side and inserted into the gap between the Zargenholm and the masonry and pushed by means of the slot on a threaded shank of a fastener. Subsequently, the spacer element is pushed either by manual pressing or by means of a tool, such as a hammer, on the threaded shank of the fastener until it abuts a leg portion of the frame spar. In addition, the method can also be used to backfill a Zargenholm whose environment is not yet largely completed.

Advantageously, the spacer element is clamped by means of a slot on a threaded shank of a fastener until an anti-tilt stop of the spacer element strikes the Zargenholm.

A preferred embodiment of the invention provides a Umfassungszarge with back-feeding device with the special feature that an adjustable mouth width is also achievable for fire protection. This is achieved in particular by adaptation of a first spacer element. At least one clamping tab is formed on the first spacer element. This makes it possible to form a clamping clip at the attachment points, where the frame profile part of the tape opposite side can be plugged.

Preferably, such a spacer can be designed by bending into a clamping clip. By combining a fastener, such as screw-dowel fastener or other suitable for the respective material of the wall portion fastener with at least the first, formed with the clamping plate spacer element can be a very firm and secure attachment of a band-side frame profile part - Example of the band side Frame part bar - reach. As a result, the forces imposed on a door leaf of a fire door in case of fire on the door hinges and also formed on the band-side frame profile part abutment for the door lock or its latch can be derived. Optionally, further spacers - preferably without the clamping plate and more preferably carried out as the spacer elements, which in the DE 10 2009 057 040 A1 are shown and described - used for back feeding, so that a correspondingly adapted to the distance between the first Zargenteilstab and wall area backfilling is achieved.

The first spacer has the clamping tab. In the gap between the clamping plate and a profile region of the first Zargenteilstabes a Einsteckbereich the Gegenbandseitigen second Zargenteilstabes is introduced.

Preferably, the second Zargenteilstab essentially has a covering function, while all other functions of the frame are fulfilled by the band-side Zargenteilstab.

1. a) lockeres Vorbefestigen eines als bandseitiger Zargenteilstab zu verwendenden ersten Zargenteilstabs mittels mehrerer Befestiger an einem Wandbereich;
2. b) Hinterfüttern des ersten Zargenteilstabs mit einer Hinterfütterungsvorrichtung, die wenigstens ein mit einer Klemmlasche ausgebildetes Abstandshalteelement aufweist, und insbesondere mit einer Hinterfütterungsvorrichtung nach einer der oben erläuterten Ausgestaltungen, wobei an wenigstens einigen der Befestigungsstellen das mit der Klemmlasche ausgebildete Abstandshalteelement auf den Befestiger aufgeschoben wird und wobei gegebenenfalls weitere Abstandshalteelemente - vorzugsweise ohne Klemmlasche - auf den Schaft des Befestigers aufgeschoben werden, bis der erste Zargenteilstab mit dem erwünschten Abstand zum Wandbereich hinterfüttert ist;
3. c) Einschieben eines Einsteckbereichs des als gegenbandseitigen Zargenteilstab zu verwendenden zweiten Zargenteilstabs, um die erwünschte Maulweite zu erreichen;
4. d) Befestigen der Befestiger, so dass der erste Zargenteilstab fest auf der Hinterfütterungsvorrichtung aufliegt.

According to a further aspect, the invention relates to a method for assembling an enclosing frame with adjustable mouth width, in particular a Umfassungszarge according to one of the embodiments described above, comprising the steps:

1. a) loosely pre-attaching a first Zargenteilstabs to be used as a band-side Zargenteilstabs by means of several fasteners on a wall portion;
2. b) backing the first Zargenteilstabs with a Hinterfütterungsvorrichtung having at least one trained with a clamping plate spacer element, and in particular with a Hinterfütterungsvorrichtung according to one of the above-mentioned embodiments, wherein at least some of the attachment points the clamping plate formed with the spacer element is pushed onto the fastener and optionally further spacer elements - preferably without clamping tab - are pushed onto the shaft of the fastener until the first Zargenteilstab is backfilled with the desired distance to the wall area;
3. c) inserting a plug-in area of the second frame part rod to be used as a counter-band-side frame part bar in order to achieve the desired mouth width;
4. d) fastening the fasteners, so that the first frame part rod rests firmly on the back-feeding device.

In one embodiment of the method, step c) is performed before step d). Preferably, the clamping connection is increased by tightening the fastener in its clamping force. For this purpose, a second spacer element without clamping strap is particularly preferably used as a clamping jaw for fixing the clamping strap.

Particularly preferred embodiments of the invention have in particular the advantages explained in more detail below.

Preferably, a first frame part is designed such that it can also be used alone as a corner frame. In particular, the first frame part is formed by a standard corner frame.

A peculiarity of a preferred embodiment of this corner frame is the possibility to make a Schrägdübelmontage directly to a profile area of the corner frame. This is achieved in particular by cup-shaped depressions in a profile region of the corner frame. Preferably, these cup-shaped depressions are provided in a rabbet base on the reveal side at a folding step of the corner frame. The corner frame in particular has two areas that form the two stepped edges of the seaming step. At a first profile area, which is to be arranged parallel to the reveal (substantially perpendicular to the main surface of the door leaf with the door closed), a fastener receptacle is provided at the fastening also takes place by means of fasteners. At this first profile region, the first step edge of a folding step of a Anschlagfalzes is formed. Furthermore, a second profile region is provided, which forms the second step flank of the folding step and thus the stop for the door leaf and correspondingly projects further.

Preferably, a spacer element of the back-feeding device has a first support region for supporting the first profile region and a second support region for supporting the second profile region. This second support area also serves as a clamping area for the attachment of a counter frame (second frame part).

In particular, a universal frame is formed, which can be used both as a corner frame and - with the second frame part - as a Umfassungszarge with adjustable mouth width. In particular, a universal frame is made with a telescopic counter-frame.

This universal frame has in particular a corner frame with embossing for a diagonal fastening, a fastening tab with a clamping region (example of the first spacer) a set of lining pieces (spacer plate - example of the second spacer) and a supplementary frame (counter frame - example of the second frame part) on ,

In some embodiments, one or more clamping tabs may be additionally provided, which are additionally used in the intermediate region between the attachment points and can serve to jam the frame.

An assembly is preferably such that the corner frame (with embossing for diagonal fastening) is recognized, a dowel is pressed through the corner frame in a corresponding hole in the wall, the fastening tab, (ie first Abstützhalteelement) between wall and Eckzarge is plugged (to the dowel of the screwdriver-dowel-fastener and, if necessary, chuck pieces are inserted between the fastening lug and the wall (around the dowel), followed by a fixation with a screw, the screw-dowel fastener, then the counter-frame is clamped between the fastening lug and the corner frame.

Preferably, by tightening the screw both a jamming of the corner frame and a jamming of the counter frame between the mounting bracket and the corner frame.

It can be in particular a frame without Bodeneinstand form.

For each side bar, few attachment points are sufficient, e.g. three attachment points per side bar.

A lower attachment point replaces an additional anchor for frames without Bodeneinstand.

The frame is universally applicable: - masonry - gas concrete wall - lightweight walls.

The frame presented here forms a further development of the non-prepublished German patent application DE 10 2016 114 966.7 described Umfassungszarge. Reference is made expressly to this German patent application for further details.

This frame has only been further developed so that now a standard corner frame with diagonal fastening can be coupled by means of clamping method with a telescopic counter frame.

The resulting universal frame is in different wall types - masonry, gas concrete wall, lightweight wall, etc. - can be used.

Fig. 1

eine Querschnittsdarstellung durch eine an einem Mauerwerk mittels Schrägdübelmontage befestigten Umfassungszarge, die eine Hinterfütterungsvorrichtung mit einem ersten Abstandshalteelement und gegebenenfalls einem zweiten Abstandshalteelement aufweist,

Fig. 2

eine Explosionsdarstellung der Umfassungszarge nach Anspruch 1, wobei nur eine von mehreren Befestigungsstellen und dabei auch nur ein Teilbereich von Zargenteilstäben der Umfassungszarge dargestellt sind;

Fig. 3

eine teils im Schnitt dargestellte, teils perspektivische Ansicht der Umfassungszarge von Fig. 1,

Fig. 4

ein vergrößertes Detail der Fig. 3;

Fig. 5

eine perspektivische Ansicht einer Befestigungsstelle der Umfassungszarge von hinten gesehen, wobei das Mauerwerk zu reinen Ansichtszwecken durchscheinend dargestellt ist;

Fig. 6

eine erste perspektivische Ansicht des ersten Abstandshalteelements;

Fig. 7

eine zweite perspektivische Ansicht des ersten Abstandshalteelements;

Fig. 8

eine Seitenansicht des ersten Abstandshalteelements von rechts in Fig. 7 gesehen;

Fig. 9

eine Ansicht auf das Abstandshalteelement von links in Fig. 8 gesehen;

Fig. 10

eine Aufrissansicht des ersten Abstandshalteelements von oben in Fig. 9 gesehen;

Fig. 11

eine Abwicklung des ersten Abstandshalteelements, die ein ausgestanztes Blechstück zeigt, aus dem durch Umbiegung das erste Abstandshalteelement zu formen ist.

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

Fig. 1

a cross-sectional view through an attached to a masonry by Schrägdübelmontage Umfassungszarge having a back-feeding device with a first spacer element and optionally a second spacer element,

Fig. 2

an exploded view of Umfassungszarge according to claim 1, wherein only one of a plurality of attachment points and thereby only a portion of Zargenteilstäben the Umfassungszarge are shown;

Fig. 3

a partially sectioned, partly perspective view of the Umfassungszarge of Fig. 1 .

Fig. 4

an enlarged detail of the Fig. 3 ;

Fig. 5

a perspective view of an attachment point of the Umfassungszarge seen from behind, wherein the masonry is shown translucent for purely viewing purposes;

Fig. 6

a first perspective view of the first spacer member;

Fig. 7

a second perspective view of the first spacer element;

Fig. 8

a side view of the first spacer element from the right in Fig. 7 seen;

Fig. 9

a view of the spacer element from the left in Fig. 8 seen;

Fig. 10

an elevational view of the first spacer element from above in Fig. 9 seen;

Fig. 11

a development of the first spacer element, which shows a punched-sheet metal piece from which is formed by bending the first spacer element.

In the FIGS. 1 to 5 a preferred embodiment of a Umfassungszarge 210 is shown for a fire door. The Umfassungszarge 210 has a first frame portion 212 and a second frame portion 214, which are slidably connected to each other by means of a clamping connection 216, so as to adjust a mouth width of the Umfassungszarge 210, and a back-feeding device 218 on.

The first frame part 212 is in the illustrated example, a hinge-side frame part on which door bands (not shown) are attached and on which an abutment for a lock of a door panel, not shown, of the fire door is formed. Examples of the door leaf are in the DE102005023426B3 or the DE102010005719B4 or the DE102010044195A1 shown and described; Reference is made to these documents for further details of the door leaf. The counter bearing is referred to below Schlossgegenlager. The first frame part 212 is formed as a standard corner frame and can also alone Corner frame to be used when a corner frame and no Umfassungszarge is desired. The individual Zargenholme the first Zargenteils 212 are like the Zargenholm the DE 20 2009 001 225 U1 profiled and formed and as shown there can be used as Zargenholme a pure corner frame.

The second frame part 214 is in the illustrated example, a gegenbandseitiges frame part, which essentially has a covering function, but no holding function and has a Einsteckbereich 224 which is insertable into an insertion region 226 on the first frame part. The insertion portion 226 is part of the clamp connection 216.

The back-feeding device 218 serves to backfill the Umfassungszarge 210 so as to connect the Umfassungszarge 210 firmly and without play with a wall portion. For this purpose, the back-feeding device 218 has at least one first spacer element 228 and optionally at least one second spacer element 230 for bridging a distance between a frame member 232 of the surrounding frame 210 and the wall region. Depending on the size of the distance more or less second spacer elements 230 are used.

On the first spacer element 228, which in detail and individually in the Fig. 6 to 11 is shown, at least one clamping tab 234 is formed to form the clamping connection 216.

The first and second spacer members 228, 230 are preferably configured to engage a screw fastener 238 such that tightening the screw fastener 238 compresses the spacer members 228, 230. The second spacer element 230 preferably has a clamping jaw region 231 which is supported on the clamping strap 234 and can firmly press it against the insertion region 224.

The first frame part 212 has a plurality of first frame part rods 236 so as to form an at least three-sided frame. In particular, a band-side first Zargenteilstab 236, an upper horizontal to be arranged above first Zargenteilstab and a lock-side first Zargenteilstab provided. In the representations of the Fig. 1 to 5 is only one of the vertically arranged Zargenteilstäbe 236, which may be the band-side or the lock side first Zargenteilstab shown. All first Zargenteilstäbe 236 are formed of a metal profile, in particular steel profile whose profile contour in particular Fig. 1 to 5 and the DE 20 2009 001 225 U1 or the DE 20 2008 000 835 U1 (to which reference is made for further details). Accordingly, a Z-shape is provided as the basic shape, wherein end edge regions 242 are bent back. The Z-shape forms a stop fold 244 for receiving the closed door leaf. On a first flank 246 of the Anschlagfalzes 244 are distributed in the two vertically arranged first Zargenteilstäben 236 over the length thereof a number of fastener receptacles 248 is provided. At the second flank 250 of the Anschlagfalzes 244 a sealing groove 252 for a door seal (not shown) is formed.

The fastener receivers 248 have partly obliquely formed cup-shaped depressions 254 for the complete accommodation of screw heads of screws 239 of screw-plug fasteners 238. For more details on these recesses 254 and the fasteners 238 is on the DE102009057037A1 and the DE202009001225U1 directed. In particular, the cup-shaped recess 254 (after tightening the fastener) can be covered with a cover cap, not shown, such that the cover cap is flush with the surface of the first flank 246. So a visually high-quality concealed installation is achievable.

The first frame part rods 236 thus have a first profile region 240 forming the first flank 246 and a second profile region 243 forming the second flank 250. The second profile area 243 is in intended use further from the soffit away in the door opening to be closed before and forms the stop for the door leaf and has the seal groove 252 for the door seal. When used as a pure corner frame, this second profile region 243 can be attached to its rear side (from the Stop rebate 244 directed away side) are backfilled with mortar or the like, so that only at one corner of the soffit, the door frame is formed.

The first spacer element 228 is designed so that it can support the corner frame even with this function. Thus, no further spacer means other than the first and second spacer members 228 and 230 are needed.

As in particular from Fig. 1 to 5 In the example shown here, the back-feeding device 218 has in each case per fastener receptacle 248 a first spacer element 228 and optionally one or more second spacer elements 230.

The first spacer elements 228 are designed so that they support the different approximately parallel to the reveal of the masonry profile sections 240, 243 of the first Zargenteilstabes 236 and at the same time form a jaw of the clamping device 216. Thus, the first spacer member fulfills the function of the spacer device (see reference numeral 21 of FIG DE 20 2009 001 225 U1 ) and the spacer element (see reference numeral 22 of FIG DE 20 2009 001 225 U1 ) of the DE 20 2009 001 225 U1 described Zargenholms as well as the function of in the DE 20 2009 009 444 U1 shown clamping lug (see reference numeral 38) and the function of the first spacer element of the not previously published German patent application 10 2016 114 966.7 ,

The second spacer members 230 are formed as shown in more detail in FIGS DE102009057040A1 described and shown. Accordingly, the second spacer members 230 are formed as plates having at one end a slot-shaped recess with which they can be slid and clamped from the side on a pre-attached shank of the screw-dowel fastener 238, with an anti-tilt stop against lateral Tilting is provided.

An exemplary embodiment of the first spacer element 228 will be described below with reference to FIGS Fig. 6 to 11 explained in more detail.

The first spacer element 228 is made of sheet metal piece 258 as shown in FIG Fig. 11 is shown. The sheet piece 258 is stamped from a sheet having a sheet thickness that is smaller than the sheet thickness of the second spacing member 230.

For example, the sheet thickness of the second spacer element 230 is greater than the sheet thickness of the first spacer element 228 by a factor of 1.2 to 2, preferably 1.33-1.5.

On the sheet metal piece 258, a central region 310 which is approximately rectangular in plan view in the outer contour contour is formed. From this central region 310, two tabs laterally project at a first end 312 to form a first clamping leg 314 and a second clamping leg 316, which are connected by a clamping tab web portion 318.

At the second end 320 opposite the first end 312, the opening 278 is formed in the form of a slot 280 with a funnel-shaped insertion opening 284. Furthermore, in this second end 320 of the piece of sheet metal 258, two tabs aim to form a first support leg 322 and a second support leg 324. The lugs for forming the support legs 322 are seen to be longer in the direction from the first end 312 to the second end 322 (longitudinal direction of the sheet piece 258) than the lugs for forming the clamping legs 314, 316. The lugs for forming the clamping legs 314, 316 laterally aspire farther from the central region 310 than the lugs for forming the support legs 322, 324. Between the respective lug for forming the Abstützschenkels 322, 324 and the flag for forming the clamping leg 314, 316, a slot spacing 326 is formed on each side, so that the Flags separated from each other in the FIGS. 8 to 10 shown shape can be bent.

At the free lateral end edges 328 of the clamping legs 314, 316 forming lugs a projection-recess formation 330 is provided, wherein the towards the near end - first end 312 - directed corner edges 332 of projections 334 are obliquely formed at an obtuse angle, so as to form introduction slopes 336. At the oblique corner edges 332 opposite ends of protrusions 334 is a sharp end edge 338, for example, formed by notching a right or acute angle. By the projection-recess formation 330, the flags forming the clamping legs 314, 316 are provided with a serrated end edge 328. For example, two protrusions 334 are formed with a recess therebetween.

The support legs 322, 324 forming flags are provided with a straight end edge 340.

The support legs 322, 324 are bent by bending the corresponding lugs formed at the first end 312 relative to the plane of the central region 310 by less than 90 °, for example 80 ° to 60 ° and more particularly 70 °, so that the clamping legs 314 , 316 slant obliquely outwardly from the intervening clamp tab land portion 318. By this oblique arrangement of the clamping legs 314, 316, they can elastically spring to exert a clamping action.

The support legs 322, 324 forming flags are bent by 90 ° and thus strive at right angles from the plane of the central region 310 from.

As a result, a first support region 342 is formed on the first spacer 228, which is formed by the support legs 322, 324 and the web region 344 formed therebetween. This first support region 342 is used, see the FIGS. 1 to 5 supporting the first profile region 240 and in particular supporting the region of the first flank 246 of the stop fold 244 provided with the fastener receptacle 248. The first support leg 322 and the second support leg 324 are based on the intended use of the surround frame 210 or the corner frame (Eg, even if only the first frame part 212 and not the second frame part 214 can be used as a counter frame) above and below the fastener receptacle 248 from. As a result, the first frame part 212 can be well backed and supported.

Furthermore, the first spacer element 228 is provided at the first end 312 with a second support region 346, which simultaneously acts as a clamping strap 334. This second support portion 346, which also forms the clamping tab 334, is formed by the first clamping leg 314, the second clamping leg 316 and the clamping tab web portion 318 formed therebetween. The obliquely abstrebenden clamping legs 316, 314 are adapted to support the second profile portion 343 with their serrated end edges 328. At the same time, the clamping legs 314, 316 form part of the clamping connection 216.

As a result of the oblique corner edges 332, the insertion region 224 of the second frame end part 214 can be inserted into the insertion region 226 thus formed between the serrated end edges 328 of the clamping legs 314, 316 and the end edge region 240 of the second profile region 243. The clamping legs 314, 316 can dodge by their oblique arrangement and exert an elastic clamping load. At the same time, the sharp corner edges 338 provide greater resistance in the direction opposite to the insertion direction, so that the second frame part 214 is held well.

The second frame part 214 is in the Fig. 1 to 5 shown together with the first frame part 212. It has in a manner not shown a plurality of second Zargenteilstäbe 288, which are connected to the corner regions with a Eckschraubverbindung and thus form an at least three-sided frame. In the Fig. 1 to 5 As in the case of the first frame part 212, only one second frame part rod 288 to be arranged vertically is shown, the other second frame part rods have an identical profile.

The second Zargenteilstäbe 288 are formed of a metal profile, in particular steel profile, whose profile shape best of Fig. 1 is removable. Accordingly, the profile has an L-shape with a first L-leg 294, a second L-leg 296 and an additional rearwardly bent end flange 298 on the second L-leg 96 (in other words, the profile is approximately U-shaped with two U-legs 294, 298 and a web 296 therebetween, wherein the one U-leg 294 is substantially longer than the other U-leg 298.).

The second L-leg 296 has the function of a frame mirror, while the end portion of the first L-leg 294 forms the insertion region 224.

The insertion region 224 of the band-side second Zargenteilstabs 290 can be composed by means of the clamping connection 216 with the band-side first Zargenteilstab 236 in its mouth width by relative displacement of the Zargenteilstäbe 290, 236 adjustable band-side Zargenholm 232 Umfassungszarge 210. Accordingly, the (not shown) upper first Zargenteilstab and the (not shown) upper second Zargenteilstab together an upper Zargenholm and the (also not shown) gegenbandseitige first Zargenteilstab and the (also not dargestelle) gegenbandseitige second Zargenteilstab together a gegenbandseitigen frame beam.

The clamping connection 216 is formed by the first spacer elements 228 arranged on the vertical first frame member rods 236, more precisely their clamping tabs 234 and the adjacent profile region of the vertical first frame member rods 236.

When mounting the Umfassungszarge 210 proceeds as follows.

The frame of the first frame part 212 is placed in the building opening to be closed by the fire door, and screw-dowel fasteners are obliquely inserted into the wall area on the fastener receivers 248 to be used, but initially only pre-attached and not yet tightened. For example, at first only the dowel 237 can be inserted.

Subsequently, the first spacer element 228 is first pushed with its opening 278 on the shaft or here in particular on the dowel of the fastener from the side first.

The first spacer element 228 may thus be slid onto a portion of the pre-fastened fastener as for the second spacers in the DE102009057040A1 described and shown. The first spacer element 228 is thereby pushed as the first element on the part (here the dowel 237). If still a further distance between the metal profile of the corresponding Zargenteilstabes 236 and the wall area is to bridge, still a second spacer element 230 may be postponed; optionally, a plurality of second spacer elements 30 are to be used. Subsequently, the frame part 212 can be fixed by screwing in the screw 239.

Then, the male portion 224 is inserted before the screw-plug fasteners are fully tightened. In this procedure, the dimensions and thicknesses are preferably selected so that the clamping connection can be strengthened by the action of the clamping jaw 231 of the second spacer element 230 in its clamping force. Thus, the Schraubbefestiger is also used as a clamping screw for tightening the second frame part 214 on the first frame part 212.

Like from the Fig. 1 to 5 a step 304 is formed on a corner region 302 of the surrounding frame 210 formed on the opposite hinge side, whose first step flank 306 is formed by the first frame part rod 236 and whose second step flank 308 is formed by the second frame part rod 288. The fact that the clamping connection 216 is formed at the bottom of a step 304, an appealing design is achievable, and one sees the Umfassungszarge 210 from the outside not that it is a frame with adjustable mouth width.

With the back-feeding device 218 shown here and the Umfassungszarge 210 provided therewith can with simple constructive measures be achieved using a same part strategy and use of many identical parts as for other frames a visually appealing Umstandszarge 210 with adjustable mouth width M, which does not require subsequent mortar work and thus can be dry-mounted and yet meets all the requirements, in particular with regard to the strength, for Feuerschutzturzargen ,

In particular, the first frame part 212 can also be used alone as a corner frame. The support holders 228, 230 used in this case are supported directly on profile regions 240, 243 of the first frame part 212, so that only a few parts are required for backfilling. At the same time can be realized by this support bracket 228, 230 a clamping connection for slidably receiving the counter frame acting as a second frame portion 214.

LIST OF REFERENCE NUMBERS

210

Surrounding

212

first frame part

214

second frame part

216

clamp connection

218

Backing device

224

insertion

226

insertion

228

first spacer element

230

second spacer element

231

Jaw portion

232

frame member

234

clamping plate

236

first frame part bar

237

dowel

238

Screw and anchor fasteners

239

screw

240

first profile area (fold)

242

end edge

243

second profile area (stop)

244

Anschlagfalz

246

first flank

248

Befestigeraufnahme

250

second flank

252

seal groove

254

cup-shaped depression

258

sheet metal piece

278

opening

280

Long hole

282

funnel-shaped insertion opening

284

round graduation

288

band-side second Zargenteilstab

294

first L-leg

296

second L-leg

298

end flange

302

Corner area of the enclosing frame

304

step

306

first step edge

308

second step edge

310

the central region

312

first end

314

first clamping leg

316

second clamping leg

318

Terminal tab web region

320

second end

322

first support leg

324

second support leg

326

slot pitch

328

serrated end edge

330

Tab Return shutdown

332

sloping corner edge

334

head Start

336

chamfer

338

sharp corner canes

340

straight corner edge

342

first support area

344

web region

346

second support area

Claims (15)

A back-feeding device (218) for back-loading an adjustable jaw surround frame (210), said surround frame (210) comprising a first frame member rod (236) and a second frame member rod (288), said frame member rods (236, 288) embracing a wall portion overlying a building opening the backfilling device (218) comprises at least one spacer element (228, 230) having an opening (278) for engaging a fastener by means of which the first frame part rod (236, 240) on the Wall region is to be fastened, and is formed to maintain a distance between the first Zargenteilstab (236, 240) and the wall portion,
wherein a clamping tab (234) is formed on the spacer member (228) or on at least one (228) of a plurality of spacer members (228, 230) for slidably clamping a flange (296) or insertion portion (224) of the second frame member rod (288). is formed on the first Zargenteilstab (236). A back-feeding device (218) according to claim 1,
characterized,
in that the spacer element formed with the clamping lug (234) has a first support region (342) for supporting a first profile region (240) of the first frame part rod (288) having a fastener receptacle (248) for the fastener (238). A back-feeding device (218) according to claim 2,
characterized,
in that the first support region (342) is U-shaped with a first support leg (322) and a second support leg (324) and a support leg (322, 324) connecting web portion (344) is formed, preferably such that the first support leg (322) for supporting on one side of the fastener receptacle (248) and the second support leg (324) is designed for supporting on the other side of the fastener receptacle and the land portion (344) has the opening (278) for engaging the fastener (238). A back-feeding device (218) according to claim 3,
characterized,
in that the support legs (322, 324) are substantially at right angles away from the web region (344). A back-feeding device (218) according to any one of the preceding claims,
characterized,
in that the clamping lug (234) has a first clamping limb (314) and a second clamping limb (316) which are braced on both sides by a clamping lug web region in order, with their free ends, to push the flange (296) or insertion region (224) against a second profile region (243). the first Zargenteilstabes (236) to clamp. A back-feeding device (218) according to claim 5,
characterized,
that the clamping legs (314, 316) at an acute or obtuse angle obliquely from the clamping tab web portion (318) strive and / or that the free ends are each provided with a serrated end edge (328). A back-feeding device (218) according to any one of claims 2 to 3 and any one of claims 5 or 6,
characterized,
in that the clamping legs (314, 316) and the support legs (322, 324) protrude on the same side of the spacer element (228) provided with the clamping tab (234), preferably such that the clamping legs (314, 316) project further than the support legs (322.324). A back-feeding device (218) according to any one of the preceding claims,
characterized,
in that the opening (278) on one side of the spacer element (228) is open, such that the spacer element (228) can be pushed onto a shaft of the fastener (238) pre-attached to the first frame part rod (236). A back-feeding device (218) according to claim 8,
characterized,
in that the clamping tab (234) is formed at a first end (312) of the spacer element (228), the opening (278) being formed at a second end (320) opposite the first end (312). An adjustable jaw surround frame (210) comprising a first frame member rod (236) and a second frame member rod (288), said frame member rods (236) adapted to enclose a wall portion bounding a building opening and slidably engaging each other to set a jaw width, characterized by a A back-feeding device (218) according to any one of the preceding claims. Surrounding frame (210) according to claim 10,
characterized,
in that a step (304) is formed at a corner region of the surrounding frame (210), whose first step flank (306) is formed by the first frame part rod (236) and whose second step flank (308) is formed by the second frame part rod (288). Surrounding frame (210) according to one of claims 10 or 11,
characterized,
that the Umfassungszarge (210) is designed as Umfassungszarge for fire doors. Surrounding frame (210) according to one of claims 10 to 11,
characterized,
that the first frame part (212) is constructed for use alone as a corner frame. Fire door comprising a door leaf and a frame,
characterized, a) that the frame is a Umfassungszarge (210) according to any one of claims 10 to 13 or b) that the frame is a Umfassungszarge (210) with adjustable mouth width, comprising a first Zargenteilstab (236) and second Zargenteilstab (288), wherein the Zargenteilstäbe for embracing a building opening a wall portion formed and for setting a mouth width displaceable to each other and that the fire door further comprises a set of fasteners and a back-feeding device (218) according to any one of claims 1 to 9. Method of assembling a surrounding frame (210) according to one of claims 10 to 13, comprising the steps: a) loosely pre-attaching a first Zargenteilstabes (236) by means of a plurality of fasteners (238) on a wall portion; b) backing the first frame member rod (236) with a backing device (218) according to any one of claims 1 to 9, wherein at least some of the attachment locations, the spacer member (228) formed with the clamping tab (234) is slid onto the fastener (238) and if necessary, further spacer elements (230) are pushed without clamping lug until the first frame part rod (236) is backfilled with the desired distance to the wall region; c) inserting a plug-in region (224) of the second frame part rod (288) in order to achieve the desired jaw width, d) attaching the fasteners so that the first frame part rod (236) rests firmly on the back-feeding device (218).

Images