DE102010032947B4 - Attachment construction for mullion and transom elements with improved thermal insulation properties - Google Patents

Abstract

Top construction for facade elements in mullion-transom construction, comprising a base profile (5; 6 ', 6' '; 7) that can be arranged on mullions and / or transoms and a pressure profile (21) for fastening a filler element (23) between the base profile (5 ; 6 ', 6' '; 7) and the pressure profile (21), the attachment construction between the base profile (5; 6', 6 ''; 7) and the pressure profile (21) being a stable and heat-insulating connecting element (9, 8), which is both firmly connected to the base profile (5; 6 ', 6' '; 7) and to the pressure profile (21), so that the connecting element (9, 8) connects the pressure profile (21) to the base profile (5; 6 ', 6' '; 7) connects, the connecting element being configured in two parts, one part forming a connecting web (9) and the other part forming a profile (8) with a fastening channel (16), and the connecting web ( 9) on the basic profile side and the profile (8) on the pressure profile side are arranged such that in the fastening channel (16) of the profile (8), a fastening means (22) guided through the pressure profile (21) for connecting the pressure profile (21) to the profile (8) can be received, the profile (8) being connected to the connecting web (9) via a clamp connection and, on the side of the base profile (5; 6 ', 6' '; 7) a seal (13, 11) is arranged which in a seal receptacle (12 ', 12) on the base profile (5; 6', 6 ''; 7) and in a seal receptacle (14) on the connecting element (9, 8) intervenes.

Description

FIELD OF THE INVENTION

The invention relates to an attachment construction for posts and / or bars for facade elements in mullion-transom construction with improved thermal insulation, as used in facade construction in particular in mullion transom constructions use.

BACKGROUND OF THE INVENTION

Modern buildings often have a facade, which is attached to the outside of the building and serves as a transparent building envelope or as a cladding. Such a curtain wall forms a light, space enclosing, uninterrupted shell, which independently or in conjunction with the building fulfills all normal functions of an outer wall, but does not contribute to the load-bearing properties of the building. Therefore, it can be used to form a non-load-bearing outer wall of a building.

The curtain wall consists of vertical (post) and horizontal (bars), interconnected components of wood and / or metal, which are anchored in the building and equipped with infills. The facade is connected to the building via the bars or posts. Posts and bars can be configured in two parts. A split post is referred to as a coupling post. With split posts and bars, it is possible to form a façade as an elemental facade, wherein the essay construction claimed here is also suitable for such elemental facades.

The curtain wall can projectile across, be formed with horizontal and / or vertical continuous structure. It is an execution possible both as element construction and mullion-transom construction.

From the prior art it is known to provide posts, coupling posts and bars on the weather-facing side with a construction of aluminum. The filling, such as a sheet of glass or an insert element is placed on the base profile of the attachment construction and fastened via sealing elements and an outer holder, preferably with a diaphragm, with the aid of screws on the attachment construction on the post or bar.

In order to achieve improved thermal insulation, in particular in the area of the top construction, it is known from the prior art to arrange a seal between the top construction and the holder. Such a construction essay is approximately from the DE 10 2005 058 286 A1 known, in which an outer holder is fastened with screws on the base profile of the attachment construction, wherein between the base profile of the attachment construction and the outer holder, a seal is arranged, through which the screws are performed to the base profile of the attachment construction.

From the DE 195 16 464 A1 is a kit for holding a composite of panels façade known. The holder has a base profile and an external profile assigned to the base profile. Between the base profile and the outer profile, a spacer and a spacer can be arranged. The spacer, the spacer and the base profile are fastened by means of a fastening screw to a substructure, wherein the fastening screw penetrates the spacer, the spacer and the base profile. With the help of a clamping screw, the outer profile is attached to the spacer.

From the DE 90 16 706 U1 is an exposure device with light plates known, the light panels are bordered with deck and Untersprossenprofilstreben. The deck extruded profile struts are connected with the spacer profile struts using a spacer. The spacers may be formed as thermal separating elements.

From the DE 89 08 436 U1 a kit for holding a facade is known, which has a base profile and a cover profile, which are interconnected by means of screws. Between the base profile and the cover profile, an insulating piece can be arranged. The screw connecting the cover profile to the base profile is also used to fix the façade thus formed to a substructure, the screw having to completely penetrate the base profile.

From the DE 195 39 244 C1 a profile system for a facade construction in mullion-transom construction is known, which can be arranged on posts and / or bars basic profile and a pressure profile for securing a filling element between the base profile and the pressure profile, wherein the construction between the base profile and the Andruckprofil a stable and heat-insulating connecting element, which is both firmly connected to the base profile and with the pressure profile, so that the connecting element connects the pressure profile with the base profile. The connecting element is designed in two parts, wherein one part consists of two connecting webs and the other part is a profile with a fastening channel. The connecting bridges are Grundprofilseitig and the profile is arranged pressure profile side in such a way that in the fastening channel of the profile a guided through the pressure profile fastening means for connecting the pressure profile with the profile is receivable. The profile is connected via a clamping connection with the connecting webs.

From the DE 10 2007 063 389 A1 is a connection device for producing a mullion-transom connection with attached aluminum profiles known. At the post and on the bolt, a T-metal profile for receiving a glass pane is each frontally arranged. The post and the latch are connected by means of a main connecting device, wherein a reinforcing plate is provided for increasing the stability of the mullion-transom connection. The reinforcing plate comprises a base portion which is fixed to the end face of the post, and two spaced-apart offset tongues parallel to the plane of the base portion which engage over a protruding portion of the T-metal profile of the bolt.

A disadvantage of the essay constructions according to the prior art is that with these the ever increasing demands on the heat insulation are not or only very difficult to fulfill.

OBJECT OF THE INVENTION

The object of the present invention is to provide an attachment construction for facade elements in post-and-beam construction, which has the advantages known in the prior art with further improved thermal insulation properties.

INVENTION SOLUTION

This object is achieved by an attachment construction for facade elements in mullion-transom construction according to the independent claim. Advantageous embodiments of the invention are specified in the dependent claims.

With the proposed solution, it is now possible to realize the necessary clamping connection between the outer holder and the base profile of the top construction without continuous holding means made of metal, such as the mounting screws, and thus to further improve the insulation.

Therefore proposed is an attachment construction for facade elements in mullion-transom construction with an arranged on posts and / or bars basic profile and a pressure profile for attaching a filling element between the base profile and the pressure profile, the essay construction between the base profile and the Andruckprofil a stable and heat having insulating connecting element, which is connected both fixed to the base profile and with the pressure profile, so that connecting element connects the pressure profile with the base profile, wherein the connecting element designed in two parts, wherein one part forms a connecting web and the other part a profile with a mounting channel and wherein the connecting web basic profile side and the profile pressure profile side are arranged so that in the mounting channel of the profile through a pressure profile guided through fastener for connecting the Andruckprofils with the profile can be accommodated is, wherein the profile is connected via a clamping connection with the connecting web, and wherein on the side facing away from the post and / or bolt side of the base profile, a seal is arranged, which engages in a seal receptacle on the base profile and in a seal receptacle on the connecting element.

The fastening channel preferably comprises a screw channel and the fastening means comprises a screw.

It has proved to be advantageous if the connecting web has a high-strength and heat-insulating material, preferably polyamide, and the profile is a metal, preferably aluminum, particularly preferably an aluminum-magnesium-silicon alloy.

It may also be arranged on the post and / or latch side facing the Andruckprofils seals. The seals preferably comprise ethylene-propylene-diene rubber.

A further improved insulating effect can be achieved if a foam profile is arranged between the base profile and the pressure profile on the pressure profile side, which at least partially surrounds the profile and separates the cavity formed by the base profile, the pressure profile and the filling element into at least two substantially thermally separated cavities ,

In addition, the base profile can also be designed in two parts, wherein the two parts are designed so that they engage in the connected state so that the basic profile can be used for a split coupling post. In each case, a part of the base profile is in each case a part of the coupling post can be arranged and fixed with these, preferably via screw, connectable. It has proven to be particularly advantageous if a part of the base profile is designed as a web and the other part of the basic profile as a groove, wherein in the groove a seal is arranged, which thermally separates the side of the basic profile facing the post and / or latch from the side of the basic profile facing away from the post and / or latch.

The posts and / or bars, to which the attachment construction is attached, preferably have wood, preferably glued laminated timber. But it is also possible to use a suitable solid wood or a special layer glued wood for posts and / or bars instead of glulam.

BRIEF DESCRIPTION OF THE FIGURES

Further details and features of the invention will become apparent from the following description taken in conjunction with the drawings. It shows

1 a front view of several facade elements of a facade in mullion-transom construction with posts, bars and coupling posts;

2 an embodiment of an attachment construction according to the invention for a split coupling post;

3 an embodiment of an attachment construction according to the invention for a (one-piece) post; and

4 an embodiment of an attachment construction for a (one-piece) bolt.

EMBODIMENTS

1 shows a section of a facade in mullion-transom construction with four facade elements. To recognize the transverse bars 4 as well as outside the vertical posts 2 , Coupling post 3 ' . 3 '' and the interposed filling elements. The filling elements may be single or multi-level glass or metal elements, but also functional elements such as turn / tilt windows. In the case of multi-part façade elements, the individual filling elements can be replaced by additional middle latches 4 ' be connected to each other.

2 shows an attachment construction according to the invention for a coupling post 3 ' . 3 '' , which is designed here as a shared wooden coupling post. Essentially, the attachment construction has one at the coupling post 3 ' . 3 '' fixed basic profile 6 ' . 6 '' , a pressure profile 21 as well as the pressure profile 21 with the basic profile 6 ' . 6 '' connecting two-part connecting element 9 . 8th on.

The basic profile 6 ' . 6 '' is designed in two parts, each with a part with screws 10 , preferably made of stainless steel, each with a part of the coupling post 3 . 3 '' is screwed. The basic profile 6 ' . 6 '' is here designed to be a part 6 ' of the basic profile a bridge and the other part of the basic profile 6 '' a groove, wherein the web is brought into engagement with the groove. The basic profile 6 ' . 6 '' of the coupling post 3 . 3 '' may be made of aluminum, preferably of an aluminum-magnesium-silicon alloy (eg AlMgSi 0.5 F22).

The basic profile 6 ' . 6 '' At the coupling post overlaps in the intersection of bars and posts with the basic profile of the bolt. An inventive basic profile for a bolt will with reference to 4 described in more detail.

The coupling post 3 . 3 '' For example, it may have softwood, hardwood or other wood material suitable for making a coupling post. Preferably, the coupling post consists of glued laminated timber.

In the area where the footbridge of the basic profile 6 ' with the groove of the basic profile 6 '' is a basic profile seal 15 arranged, which thermal insulation between the coupling post facing side of the base profile 6 ' . 6 '' and the coupling post facing away from the side of the base profile 6 ' . 6 '' causes.

The basic profile seal 15 may include ethylene-propylene-diene rubber (EPDM) or other materials suitable for thermal separation.

The basic profile 6 ' . 6 '' preferably has on the side facing away from the coupling post gasket receptacles 12 ' on, to which a mullion or coupling post seal 13 is arranged and which serves to receive the filling elements, such as a glass pane. The mullion or coupling post seal 13 can be made of age-resistant, sliding polymer-coated EPDM. The mullion or coupling post seal 13 encloses the entire basic profile 6 ' . 6 '' and thus seals the outer against the inner part of the basic profile.

Via a connecting element 9 . 8th and screws 22 is the basic profile 6 ' . 6 '' with the pressure profile 21 connected. The connecting element is here designed in two parts, wherein a part through a connecting web 9 and the other part by an external profile 8th is formed. The connecting element 9 . 8th is between the basic profile 6 ' . 6 '' and the pressure profile 21 so arranged that the connecting bar 9 Basic profile side (towards the inside) is arranged and the profile 8th pressure profile side (to the outside) is arranged. The connecting bridge 9 is on the basic profile side fixed with a part 6 '' of the basic profile and pressure profile side in the same way with the outer profile 8th firmly connected.

The outer profile 8th may for example comprise aluminum, preferably an aluminum-magnesium-silicon alloy. The connecting bridge 9 On the other hand, it consists of a high-strength, heat-insulating material, preferably plastic, and can, as in 3 to 5 shown to be designed as a hollow profile for a further improvement of the thermal insulation property.

Part of the here two-part connecting element 9 . 8th is presently from a separate outer profile 8th which has a screw channel 16 has, is formed and consists in the present case of metal, preferably aluminum. The connection of the outer profile 8th with the inner connecting bridge 9 is made over a large-scale clamping connection. This ensures a stable connection without additional screws. In addition, this connection between the outer profile 8th and the connecting bridge 9 already done at the factory, so that a connection on the construction site is no longer necessary. In the same way, the connecting bridge 9 with the basic profile 12 ' already connected at the factory, which increases the degree of prefabrication and further reduces the assembly time on the construction site.

About the outer profile 8th with screw channel 16 and the connecting web firmly connected thereto 9 is with the help of in the screw 16 engaging screws 22 the pressure profile 21 mechanically with the basic profile 12 and be engaged with the supporting posts or bars. Due to the insulating, but mechanically strong connecting bar 9 , which may be made of polyamide, for example, ensures that by the screw 22 and the outer profile 8th formed cold bridge is largely separated, since so required in the prior art continuous metal connection between Andruckprofil 21 , Screw 22 and basic profile 6 ' . 6 '' is interrupted without simultaneously reducing the stability and strength of the connection.

Depending on the required holding force and external conditions, the outer profile 8th instead of metal as in the embodiment of another material, preferably of the same material as the connecting web 9 to be made. It then becomes possible, the connecting element 9 . 8th to form a single profile, which increases the strength and waiving the connection of two otherwise separate parts, which is usually designed as a clamp allows.

The outer profile 8th with the screw channel 16 as well as a part of the screw 22 is here with a foam profile 17 surrounded, which contributes to further thermal insulation of the tower construction. The foam profile 17 may include polyethylene foam. As in 2 recognizable, has the foam profile 17 lateral wings 18 on, which extend laterally to the outer edge of the filling elements or of the glass. This is the thermal separation of the cavity between the basic profile 6 ' . 6 '' and the pressure profile 21 improved.

The foam profile 17 can look up over the complete outer profile 8th up to the connecting bridge 9 extend (in 2 not shown), so that the entire metallic inside of the outer part of the attachment construction is surrounded by the foam profile, which contributes to a particularly good thermal insulation. The thickness of the foam profile depends essentially on the filling element used or on the glass panes used.

On the inside of the facade facing side of Andruckprofils 21 is an outer seal 19 which may also have age resistant and slip polymer coated EPDM. The outer seal 19 has sealing noses 20 on which is in the area between the foam profile 17 and the filling element or the glass pane. These sealing noses 20 may be hollow profiles, but also, as shown, a special sealing material, such as sponge rubber, may have.

The pressure profile 21 may also have aluminum, in particular the outer, the facade facing away from the Andruckprofils 21 can be adapted to changing aesthetic requirements.

The connecting bridge 9 can, as shown, have edge-side recesses, which serve as a seal receptacle 14 for receiving the post-and-bolt seal 13 are designed. This is the mullion and transom seal 13 on the one hand with the basic profile 6 ' . 6 '' and on the other hand firmly with the connecting bridge 9 connected. This is on the one hand a particularly stable attachment of the post or coupling post gasket 13 on the tower construction guaranteed and on the other hand, the thermal insulation of the tower construction is further improved.

The connecting bridge 9 can also be configured as a one-piece or multi-part hollow profile. In that by the foam profile 17 and the post or coupling post seal formed cavity further sealing elements can be arranged to further improve the thermal insulation property of the tower construction.

3 shows an inventive embodiment of an attachment construction for a one-piece pole 2 , How out 3 can be seen, is the basic profile 5 one-piece design and with two screws 10 at the post 2 attached, in which case the post wood or a wood material and the basic profile 5 preferably aluminum, more preferably an aluminum-magnesium-silicon alloy.

In this embodiment, the pressure profile 21 with the connecting element 9 . 8th on the integrally designed base profile 5 fastened, with the connecting bar 9 and the outer profile 8th of the connecting element substantially in connection with 2 correspond described. The arrangement or the design of the mullion or coupling post gasket 13 , the foam profile 17 and the outer seal 19 are also essentially identical to those in 2 shown embodiment and design. Of course, the connecting bridge 9 other forms than in 2 and 3 show a shape similar to that in 4 is shown for a top construction for a bolt.

4 shows an attachment construction for the bolt of a facade element in mullion-transom construction which will be described below for a better understanding of the invention, but does not represent an embodiment of the invention.

At the bar 4 is on the outside of the facade side facing a basic profile 7 arranged, which in turn with two screws 10 firmly with the bar 4 connected is. The basic profile 7 may also have aluminum, preferably an aluminum-magnesium-silicon alloy. The basic profile 7 has two recesses 12 on which the inclusion of a dead seal 11 serve. The bolt seal 11 may also comprise ethylene-propylene-diene rubber. Between the bolt seal 11 and the outer seal arranged on the pressure profile 19 the filling element or the glass pane is held firmly and stably in the attachment construction.

The pressure profile 21 is doing with a connecting element 9 . 8th firmly with the basic profile 7 connected, in which case the connecting element by a base profile side connecting web 9 and a pressure profile side outer profile 8th is formed. The outer profile 8th has a screw channel 16 on, in which for fixing the pressure profile 21 on the outer profile 8th screw 22 be introduced.

The outer profile 8th as well as the outer seal 19 are here essentially as the embodiments described above 2 and 3 built up. The bolt seal 11 is different than the two post seals, only on the basic profile 7 attached. An additional attachment of the bar profile 11 at the connecting bridge 9 Over there introduced grooves is in the in 4 not shown embodiment provided. But it is also possible, the bolt seal and the connecting web as the post seal after 3 embody.

In the 2 and 3 shown attachment structures according to the invention for posts, coupling posts and / or bars are particularly suitable for receiving a triple glazing, as in this combination, a curtain wall can be provided with particularly good thermal insulation properties.

LIST OF REFERENCE NUMBERS

1

Facade system with facade elements in post-and-beam construction

2

post

3, 3 ''

coupling post

4

bars

4 '

middle bar

5

Basic profile of the posts (eg made of aluminum)

6, 6 ''

Basic profile of the coupling posts (eg made of aluminum)

7

Basic profile of the bars (eg made of aluminum)

8th

outer profile (eg made of aluminum)

9

Connecting bar (eg from PA)

10

Screws (eg made of stainless steel)

11

Bolt seal (eg made of ethylene-propylene-diene rubber, EPDM)

12

Seal holder in the basic profile of the bolt

12 '

Seal in the basic profile of the posts or coupling posts

13

Post or coupling post seal (eg made of EPDM)

14

Seal in the connecting bridge

15

Basic profile seal for coupling posts (eg made of EPDM)

16

screw

17

Foam profiles (eg made of polyethylene foam)

18

lateral wings of the foam profiles

19

outer seal (eg made of EPDM)

20

Noses of the outer seal (eg made of sponge rubber)

21

Pressure profiles (outer holding element)

22

Screws for pressure profiles (eg made of stainless steel)

23

Filling element (eg triple glazing)

Claims (9)

Attachment construction for facade elements in post-and-beam construction, comprising a base profile that can be arranged on posts and / or bars ( 5 ; 6 ' . 6 ''; 7 ) and a pressure profile ( 21 ) for fastening a filling element ( 23 ) between the basic profile ( 5 ; 6 ' . 6 ''; 7 ) and the pressure profile ( 21 ), whereby the attachment construction between the basic profile ( 5 ; 6 ' . 6 ''; 7 ) and the pressure profile ( 21 ) a stable and heat-insulating connecting element ( 9 . 8th ), which is fixed both to the basic profile ( 5 ; 6 ' . 6 ''; 7 ) as well as with the pressure profile ( 21 ), so that the connecting element ( 9 . 8th ) the pressure profile ( 21 ) with the basic profile ( 5 ; 6 ' . 6 ''; 7 ), wherein the connecting element is designed in two parts, wherein a part of a connecting web ( 9 ) and the other part a profile ( 8th ) with a fastening channel ( 16 ) and wherein the connecting bridge ( 9 ) basic profile side and the profile ( 8th ) are arranged pressure profile side, such that in the mounting channel ( 16 ) of the profile ( 8th ) through the pressure profile ( 21 ) guided through fastener ( 22 ) for connecting the pressure profile ( 21 ) with the profile ( 8th ), the profile ( 8th ) via a clamping connection with the connecting web ( 9 ), and wherein on the side facing away from the post and / or bolt side of the basic profile ( 5 ; 6 ' . 6 ''; 7 ) a seal ( 13 . 11 ) arranged in a seal receiver ( 12 ' . 12 ) on the basic profile ( 5 ; 6 ' . 6 ''; 7 ) and in a seal receiver ( 14 ) on the connecting element ( 9 . 8th ) intervenes. Attachment construction according to claim 1, characterized in that the fastening channel ( 16 ) a screw channel and the fastening means ( 22 ) a screw ( 22 ). Attachment construction according to claim 1 or 2, characterized in that the connecting web ( 9 ) a high-strength and heat-insulating material, preferably polyamide, and the profile ( 8th ) comprises a metal, preferably aluminum, more preferably an aluminum-magnesium-silicon alloy. Attachment construction according to one of the preceding claims, characterized in that on the side facing the post and / or latch side of the pressure profile ( 21 ) Seals ( 13 . 11 ; 19 ) are arranged. Attachment construction according to one of the preceding claims, characterized in that the seals ( 13 . 11 ; 19 ) Ethylene-propylene-diene rubber. Attachment construction according to one of the preceding claims, characterized in that between the basic profile ( 5 ; 6 ' . 6 ''; 7 ) and the pressure profile ( 21 ) pressure profile side a foam profile ( 17 ) is arranged, which the profile ( 8th ) at least partially surrounds and by the basic profile ( 5 ; 6 ' . 6 ''; 7 ), the pressure profile ( 21 ) and the filling element ( 23 ) separated cavity into at least two substantially thermally separated cavities. Attachment construction according to one of the preceding claims, characterized in that the basic profile is designed in two parts, wherein the parts ( 6 ' . 6 '' ) are formed so that they engage in the connected state so that the basic profile for a split coupling post ( 3 ' . 3 '' ) is usable, wherein in each case a part of the basic profile to each part of the coupling post ( 3 ' . 3 '' ) can be arranged and fixed with these, preferably via screw, is connectable. Attachment construction according to the preceding claim, characterized in that a part ( 6 ' ) of the basic profile as a bridge and the other part ( 6 '' ) of the base profile are formed as a groove, wherein in the groove a seal ( 15 ) is arranged, which the the post and / or latch facing side of the basic profile ( 6 ' . 6 '' ) thermally separated from the post and / or latch side facing away from the base profile. Attachment construction according to one of the preceding claims, characterized in that posts and / or bars have wood, preferably glued laminated timber.

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