DE19516839A1 - Connecting profile for water-tight cover plate fastening - Google Patents

Abstract

The cover plate (1) is to be fastened to a base-shaped housing (2) with one open side. Along the profile extends a U-shaped groove (3) whose width is adapted to the cover plate thickness. A second groove (4) also extends along the profile, orthogonally to the first groove, which can be resiliently widened. The widening generates a gripping snap connection and is insertable onto the housing edge with a protrusion (5). Along the profile extends along a recess, contracting on the second groove widening. The recess retains a bolting element (6). The first groove width is pref. slightly less than the plate thickness to provide a fastness.

Description

The invention relates to a connection profile for waterproof fastening a cover plate to a box-shaped, unilaterally open housing and a device for water tight connection of parallel in a given Ab stood adjacent to each other running top edges Neter box-shaped housing.

The problem of watertight closure of weather-side Building openings and building surfaces occurs in more diverse ways Show in architecture and vehicle construction.

The solution proposed here is especially for the big one Area of architecture and here specifically for elements of thermal solar energy generation has been developed.

To illustrate the sealing problem, the ge current state of the art based on the attachment and Ab sealing of covers such as glass panes and insulating Panels in facade architecture and vehicle construction explained tert. The multitude of these so-called glazing systems can be divided into two classes:

• - Glazing using permanently elastic adhesive and Sealants,
• - Glazing using extruded profile elastomer.

The profile sealing systems are explained in more detail below tert. These can be divided into two again by their function Divide groups:

• - Profile sealing system with sealing function as the main task:
  The mechanical loads resulting from wind, snow and other loads are absorbed by appropriate frame constructions. The sealing profiles are deformed ela stically when installed in the spaces between the frame and cover and thereby generate the required sealing pressure. This principle is used in a variety of ways in window and facade construction. The cover generally has a larger area than the clear opening of the frame, so that the mechanical security against falling out of the cover is guaranteed without a seal.
• - Profile sealing systems for sealing and mechanical fastening of the cover:
  The pressure required for the tightness is generated here by elements of the seal itself. Often, those grooves of the sealing profile, which accommodate the edges of the cover and the frame, are clamped in that other grooves of the same profile are widened by retracting additional files made from the same material. Seals of this type are often found in vehicle glazing.

The known systems have a number of disadvantages:
While the tightness of the transition from the seal and cover can be regarded as solved, the tightness of the transition from the seal and the load-bearing, also weathered supporting structure is a major problem in certain cases, especially when it is a matter of divided fields acts.

For mullion-transom systems, such as those used in facade construction, for Conservatories and roof-integrated thermal solar panels If they are used, there are inevitable joints of the metal profiles, which, with enough clearance, as Serve dilatation joints. The joints themselves, but especially the transitions from metal profile - joint - seal can never be adequately and permanently sealed. This lack can be controlled in vertical facades, but on agile drainage measures are defused.  

For sloping glazing in conservatories and roof integrated Solar panels can be the measure of controlled Use drainage only with a lot of additional effort, because that Water not only obeys gravity but also by Capillary action in considerable amounts of seemingly impossible places.

Sealing systems represent a radical solution, where the glazing seal facing the weather side in one piece in the form of a vulcanized network Facade is installed so that the supporting structure is covered and is protected from rainwater. The cost of such Custom-made items are very high.

In addition, the often underestimated problem of thermal dila is tation is not automatically solved. In the area of the shock make the profiles, the seal must change the joints Compensate width due to thermal dilation. This can only by elastic deformation of the seal and by Sliding them in the anchoring grooves of the metal profiles happen.

But since the directions of the thermal expansions differ there are additional shears at the crossing points forces on the sealing cross above. This Bela Stungen can be very high and tear the transitions from sealing profile to vulcanized connection, everyone if, however, lead to leaks.

The design options are often limited for cost or technical reasons:
In order to achieve the best possible tightness of the glazing, the seals in the corners are usually vulcanized. Unless a corresponding shape is built for every desired angle, the design options are limited to rectangular fields. It is also extremely difficult to build oblique-angled profile connections that allow perfect dilatation and at the same time are sufficiently tight or can be safely drained.

The invention is based, an inexpensive task to be manufactured, easy to assemble connecting profile to sit, which is a reliable, waterproof Befe guaranteed a cover plate on a housing.

According to the invention this object is achieved in that the Width of a first, extending along the profile, essentially U-shaped groove to the thickness of the cover plate te is adapted and also along the profile extending and substantially perpendicular to the first groove running second groove resiliently expandable under production an engaging snap connection to the one Projection provided housing edge can be plugged in, one extending along the profile, extending as the second groove narrowing and with a locking element fillable recess is provided.

Another object of the invention is to provide a front direction for watertight connection from parallel in one predetermined distance from each other to form adjacent box-shaped housings so that the housing is already closed as a compact, waterproof These elements can be delivered and easily can be connected watertight on site.

According to the invention, this object is achieved by a first, profile connectable with the upper edge of a first housing element, a second, with the top edge of a second casing This connectable profile element, and a between the first and second profile element by means of a sealing snap and / or Adhesive connection attachable coupling profile.  

The following are the advantages of the invention based on the Use in collectors for thermal solar energy gain explained because here the problem of thermal expansion conditions occur to a particularly high degree and a high level of tightness the glazing must be guaranteed.

Tightness and durability

Solar panels are subject to significant temperature fluctuations and thus subjected to large thermal expansions. At large, often subdivided collector fields provide this Strains, as explained above, are a major problem Invention enables the division of the collector field into individual, independently dilating collector elements elements that are waterproof and capable of dilatation with each other are connected.

As a result, the size of the thermal expansions is only reduced proportional to the length and width of a single element and no longer the dimensions of the whole field.

A suitable for the connection system according to the invention solar collector housing consists of a sheet metal tub or a frame made of sheet metal or metal profiles, which forms the collector side wall and can be completed by a bottom plate down. In any case, the upper edge 2 of the frame, which is gebil det by the sheet metal or profile legs, has a geometry that serves for fastening the connec tion profile.

The transparent cover 1 is fastened watertight to the upper edge of the frame with the connecting profile 12 or 13 . The spaces between the elements are watertightly sealed by coupling profiles 17 , 18 , 19 , which enable force-free dilation:
With thermal expansion of the housing deforms the gradient coupling profile 18 or 19 basically the U- or V-shaped groove, while the horizontally extending coupling profile 17 with the sealing lip 20 while simultaneously deforming its anchoring on the lower element tet.

Instead of the coupling profiles 17 , 18 , 19 , the coupling profile 14 can be used, the joints being glued, welded or vulcanized.

Because the same fastening for all collector elements point is rigidly connected to the substructure, but all other attachment points are designed to slide the elements are dilated in defined directions and the same strains occur everywhere, which are caused by the Coupling profiles are compensated.

The independence of the housing dilations also means that the connecting profile 12, 13 only has to compensate for the difference in thermal expansion between the transparent cover and the housing. If galvanized steel sheet is used as the housing material, this difference is negligibly small, taking into account the temperatures that occur. There is then no sliding of the cover in the groove 3 of the connecting profile, as is usually the case with system systems you have to put up with.

By fully solving the dilation problems the mechanical load on the collector elements, in particular re of the seals, kept as low as possible. In order to can have a long life of the overall system at the same consistently high efficiency can be achieved and guaranteed.

Assembly

The glazing system according to the invention enables the full constant factory assembly and thus an industrial production and quality assurance of collector elements as inventory part of roof-integrated collectors. So that's the advance  created for high and consistent quality.

The connection profile is assembled in a very simple way:
The profile sealing frame is drawn onto the glass pane 1 using the glass receiving groove 3 provided for this purpose. Then the glass pane with the pre-assembled seal is placed under slight pressure on the upper edge of the frame 2 , so that the shoulder 10 of the leg 9 engages in the projection 5 of the frame upper edge.

The locking element 6 is z. B. with the help of a rolling tool immediately after assembly of the glass panel already in the factory or only when assembled on the object. In both cases, the interior of the collector is protected from contamination, so that the transport and assembly on the object can be carried out relatively independently of the weather. The locking element 6 generates both the glazing pressure necessary for the sealing lip of the sealing lip 11 on the Glasab cover as well as a sufficient clamping force between the two legs 9 , which, together with the projection 10 designed as retaining cams, position the connecting profile in a defined position on the frame . This ensures sufficient mechanical strength against all wind and snow loads and the weight of the glass, even with vertical installation.

The coupling profiles are installed in a very simple manner using a rolling tool after the collector elements have been mounted on the object. Since the sealing lips 11 of the connecting profiles 12 , 13 , in the corners of both coupling profiles 17 and 18 and 19 are covered at the same time, the vulcanization of the connecting profiles can be dispensed with without having to accept leaks.

The connection profiles are adapted by complete or partial miter cuts at any angle to the housing shape, the lower two miter cuts, since these are only covered by the sealing lips of the vertical Kopplungspro files 18 and 19 , are sealed by injection of permanently plastic sealant.

Design options

The invention enables any oblique angled elements men without additional material, with only a small much higher expenditure on production and assembly costs.

Since the coupling profiles compared to the connection profile ge subject to lower mechanical and thermal loads fen, can be used as materials such. B. thermoplastic elasto mers can be used, which can be colored as desired and thus enable a largely free color design.

The flexible coupling profiles also make it possible to Housing with different inclinations and orientations connect the cover watertight.

The connection system according to the invention is self-supporting and does not require any special securing elements, which Appearance would disturb. Because of these properties have long been demanded by architects a freely configurable, flexible system.

Further advantageous embodiments of the invention are in specified in the subclaims.

The invention is illustrated below by way of example me described on the drawing; it shows:

Fig. 1 is a connecting profile 13 with frame 2 and from cover 1 with a simple locking profile 24th

Fig. 2 two connecting profiles 12 , 13 , which connect the neighboring top frame edges 2 of two parallel housings with the associated covers 1 . The intermediate space is watertightly closed by a coupling profile 14 .

Fig. 3 two connecting profiles 12 , 13 , which connect the neighboring top frame edges 2 of two parallel housings with the associated covers 1 . The inter mediate space is completed watertight by a coupling profile 17 , which is preferably used for bridging the horizontally extending element gaps. The connecting profile 13 of the lower element is completely covered by the sealing lip 20 of the coupling profile, so that the tightness of the elements is also guaranteed if the sealing lip 11 of the underlying connecting profile 13 is not vulcanized in the element corners but is only mitred.

Fig. 4 two connecting profiles 12 , 13 , which connect the neighboring top frame edges 2 of two parallel housings with the associated covers 1 . The inter mediate space is completed watertight by a coupling profile 18 , which is preferably used for bridging the inclined element spaces. At crossing points, which arise from adjacent element corners, the sealing lips 21 of the coupling profile are deformed accordingly by the sealing lips 11 and 20 of the connecting profiles 12 , 13 and the coupling profile 17 underneath.

Fig. 5 two connecting profiles 12 , 13 , which connect the neighboring top frame edges 2 of two parallel housings with the associated covers 1 . The inter mediate space is completed watertight by a coupling profile 19 , which is preferably used for bridging the inclined element spaces. At crossing points, which arise from adjacent element corners, the sealing lips 23 of the coupling profile are cut out in such a way that sufficient space is created for the sealing lips 11 and 20 of the connecting profile 12 and the coupling profile 17 underneath.

Fig. 6 A connecting profile 13 with frame 2 and cover 1 with a coupling profile 25 for waterproof coverage of the space between the connecting profile 13 and a neighboring sheet metal construction 27 .

Fig. 7 A connecting profile 13 with frame 2 and cover 1 with a coupling profile 28 for waterproof coverage of the space between the connecting profile 13 and a neighboring sheet metal construction 27 . The coupling profile 28 is preferably used for bridging the gaps running with a gradient.

Fig. 8 A connecting profile 13 with the frame 2 and the cover 1 with a coupling profile 29 to the waterproof cover the space between the connection profile 13 and be adjacent sheet assembly 27. The coupling profile 29 is preferably used for bridging the gaps running with a gradient.

Fig. 9 Four corners of adjacent collector elements with covers 1 and connecting profiles 12 , 13 which are connected by a coupling profile 14 . The coupling profile is designed as a vulcanized or sprayed molded part 30 in the crossing points. In the areas between the molded parts coupling profiles are inserted in the appropriate length and glued to the molded parts, welded, just bumped or vulcanized together with the molded part.

Fig. 10 Four corners of adjacent collector elements with covers 1 and connecting profiles 12 , 13 which are connected by a coupling profile 14 . The vertical coupling profiles connect several elements without interruption while the horizontal coupling profiles are glued or welded to the vertically continuous coupling profiles.

Fig. 11 quadrangles adjacent collector elements with Ab coverings 1 and joint sections 12, 13. The vertical gaps are connected by a coupling profile 18 or 19 . The horizontal gaps are connected by a coupling profile 17 , the profile ends of which come under the sealing lips 21 and 23 of the coupling profile 18 and 19 , respectively.

Claims (30)

1. Connection profile for the watertight attachment of a cover plate ( 1 ) to a box-shaped, one-sided open housing ( 2 ), characterized in that the width of a first, along the profile he extending, substantially U-shaped groove ( 3 ) the thickness of the cover plate ( 1 ) is adapted and a second groove ( 4 ), which also extends along the profile and extends essentially perpendicular to the first groove ( 3 ), can be resiliently expanded to produce a snap-in connection to the one with a projection ( 5 ) Provided housing edge can be plugged in, a recess ( 7 ) is provided which extends along the profile and narrows when the second groove ( 4 ) widens and is filled with a locking element ( 6 ). 2. Connection profile according to claim 1, characterized in that the width of the first groove ( 3 ) is slightly smaller than the thickness of the cover plate ( 1 ), so that the cover plate ( 1 ) inserted into the first groove ( 3 ) under prestress in this is held. 3. Connection profile according to one of the preceding Ansprü surface, characterized in that the second groove ( 4 ) is formed by two substantially V-shaped legs ( 9 ), one of which with a in the direction of the other leg he extending approach ( 10 ) the snap connection is provided to generate the grip behind. 4. Connecting profile according to one of the preceding claims, characterized in that the recess ( 7 ) has a cross-section tapering in the direction of the profile surface. 5. Connection profile according to one of the preceding claims, characterized in that the cross section of the housing outside to lie gene coming leg ( 11 ) of the first groove ( 3 ) tapers in Rich direction of its end facing away from the base. 6. Connection profile according to one of the preceding Expectations, characterized, that it is made of a solid elastic material, in particular is made of rubber. 7. Connection profile according to one of the preceding claims, characterized in that a cover flap ( 8 ) is provided on the inside of the housing to come. 8. Connection profile according to claim 7, characterized in that the cover tab ( 8 ) extends at an angle of approximately 60 ° to the cover plate ( 1 ) from the upper, in particular thicker end of the leg ( 9 ) and with a web ( 16 ) with the lower, in particular tapered region of the leg ( 9 ) is connected. 9. Connection profile according to one of the preceding Expectations, characterized, that miter cuts are provided on the end face. 10. Connection profile according to one of claims 1 to 8, characterized, that it is designed as a vulcanized 90 ° corner piece. 11. Connection profile according to one of claims 1 to 8, characterized, that it is encircling, vulcanized, to the housing size-adjusted frame is executed. 12. A device for the watertight connection of parallel, mutually spaced upper edges adjacent box-shaped housing ( 2 ), characterized by a first, with the upper edge of a first housing ver bindable profile element ( 12 ), a second, with the upper edge of a second housing connectable profile element ( 13 ), and a coupling profile ( 14 ) which can be fastened between the first and second profile element ( 12 , 13 ) by means of a sealing snap and / or adhesive connection, which in particular to compensate for the thermal dilatation of the housing and to compensate for it Assembly tolerances is suitable. 13. The apparatus according to claim 12, characterized in that the first and the second profile element ( 12 , 13 ) with grooves ( 3 ) for connecting the housing edge with a respective housing ( 2 ) associated cover plate ( 1 ) are seen ver. 14. Device according to one of claims 12 or 13, characterized in that the first and the second profile element ( 12 , 13 ) are formed GE according to one of claims 1 to 11. 15. The apparatus according to claim 14, characterized in that the coupling profile ( 14 ) on its long sides with a cross-section of the recess ( 7 ) of the first and second profile elements ( 12 , 13 ) corresponding locking element ( 6 ) for filling the recesses ( 7 ) is seen. 16. The device according to one of claims 12 to 15, characterized in that the coupling profile ( 14 ) has a substantially U-shaped cross-section, the legs ( 16 ) of which are shorter than the base ( 15 ). 17. The apparatus according to claim 16, characterized in that the length of the base ( 15 ) corresponds substantially to the mutual spacing of the upper edges of the housing. 18. Device according to one of claims 16 or 17, characterized in that the locking element ( 6 ) according to claim 15 each Weil at the base ( 15 ) facing away from the leg ( 16 ) is arranged. 19. The device according to one of claims 16 to 18, characterized in that the legs ( 16 ) are inclined towards each other in the unassembled state and run parallel to one another in the assembled state, so that the coupling profile ( 14 ) in the assembled state under pretension is held on the first and second profile element ( 12 , 13 ). 20. Device according to one of claims 12 to 19, characterized in that the coupling profile ( 14 ) is designed as a vulcanized Kreuzele element. 21. Device according to one of claims 12 to 20, characterized in that all profile elements ( 12 , 13 , 14 ) are made of the same material. 22. Device according to one of claims 12 to 21, characterized in that the coupling profile ( 17 ) has a sealing lip ( 20 ), which acts over the cover plate ( 1 ) de sealing lip ( 11 ) of the connecting profile completely or partially covers. 23. Device according to one of claims 12 to 21, characterized in that the coupling profile ( 18 , 19 ) has two elastic sealing lips ( 21 , 23 ), each with respect to the cover plate ( 1 ) acting sealing lips ( 11 ) of two adjacent connecting profiles ( 12 , 13 ) completely or partially cover. 24. The device according to claim 22 or 23, characterized in that the sealing lip ( 20 , 21 , 23 ) at its base has a distance ( 22 ) to the sealing lip ( 11 ) of the connecting profile, which is approximately the thickness of the sealing lip ( 20 , 21 ) corresponds to the coupling profile ( 17 ). 25. Device according to one of claims 12 to 24, characterized in that the coupling profile ( 18 , 19 ) connects a plurality of housing pairs without interruption, the ends of the coupling profiles ( 17 , 19 ) extending perpendicularly or at a different angle to the coupling profile ( 18 , 19 ) ) come to rest under the elastic sealing lip ( 21 , 23 ) of the coupling profile ( 18 ), which is deformed or recessed accordingly at these points. 26. Device according to one of claims 12 to 25, characterized in that the coupling profiles ( 14 , 17 , 18 , 19 ) are made of einfärbba rem thermoplastic elastomer. 27. Use of a device according to one of claims 1 to 11 for connecting frames ( 2 ) and covers ( 1 ) with oblique-angled bases. 28. Use of a device according to one of claims 1 to 11 for connecting oblique-angled housings under each other, the oblique housing in particular Have covers whose surface normals differ is oriented. 29. Use of a device according to one of claims 1 to 11 for waterproof attachment of a see-through cover plate on a solar collector housing.   30. Use of a device according to one of the claims 12 to 26 adjacent to the watertight connection arranged solar collector housing.