Bridging element for connecting components

Description

[0001] The invention relates to a bridging element for connecting two components. State of the art

[0002] Devices for connecting building components, such as insulation dowels or reinforcing bars, are well known.

[0003] In insulated building, facade, door, or window constructions, components located in different temperature zones are typically connected using screws, rivets, or similar fasteners. However, these fasteners, usually made of metal, create a thermal bridge between the components in these temperature zones, allowing heat to flow from the warmer to the colder components. This can affect the building's insulation and thermal properties, and in particular, condensation can lead to damage to building components.

[0004] DE 20 2009 012 753 U1 discloses in this regard a device for connecting components arranged in different temperature zones with a fastening element arranged between the components, wherein the fastening element is associated with a thermally insulating retaining bushing for insertion into one of the components.

[0005] Especially when retrofitting or attaching elements such as loggias, balconies, lights, etc., to thermally insulated facades, prefabricated anchors are unsuitable because they do not meet the requirements for varying spacing due to the different designs and thicknesses of the thermal insulation components remaining on the building. Requirements for more flexible installation options for different applications, such as various extension configurations, cannot be fulfilled.

[0006] DE 102 20 284 C1 discloses a device for holding functional parts. For this purpose, the anchor, which can be driven or screwed into the structure, has easily manufactured individual parts, wherein the anchor is designed as a countersunk screw or countersunk nail, and the functional part has a hole with a recess for receiving the head of the anchor, through which the shank of the anchor can be penetrated, and a slide is slidably mounted on the functional part.

[0007] The additional installation of a sliding gate is complex and cumbersome to use when installed on a part of a building.

[0008] DE 20 2012 012 650 U1 discloses a spacer for attaching an object to a substrate having an insulating layer. At least one support element is used, which rests on the substrate with at least one surface. A bridging element is connected to the support element, serving to bridge the insulating layer. A mounting element for attaching the object can be attached to the bridging element. The mounting element can be attached to the bridging element at different distances from the wall.

[0009] The specifications of EP 2 278 173 A2 relate to a fastening device for attaching external elements to a solid wall provided with external wall insulation. An external support has a mounting plate that can be recessed into the insulation, wherein a tubular support is designed as a nipple-like, threaded extension of a flange, and the external support is also provided with a tubular threaded extension which can optionally be screwed directly to the nipple-like extension of the flange in the case of interlocking threaded sections, or in the case of threaded extensions of both the flange and the mounting plate each having a screw-in thread, can be connected via an intermediate piece screwed into the latter with mating threads.

[0010] The disclosure of DE 20 2011 101 508 U1 relates to an injection anchor for fastening components to a masonry wall provided with an insulating layer, wherein a piston which can be moved within the spacer element for assembly is arranged on an anchor rod, through which a plastic injected into the spacer element can be pressed into the sieve sleeve and the anchor rod is guided in the spacer element in a form-fitting manner.

[0011] EP 2 873 784 A1 discloses a spacer device with a fastening means for attaching the spacer device to a supporting structure of a building. The fastening means is arranged radially spaced from a central longitudinal axis of the spacer device, such that a first contact area facing the ground is larger than a second contact area facing away from the ground.

[0012] DE 20 2014 008 722 U1 discloses a "fitting for connecting prefabricated building elements". The device for connecting structural elements or parts thereof, primarily concrete, reinforced concrete and prestressed concrete elements, has a hollow body which is provided with openings to the receiving space of a connecting element, wherein the device is a hollow body and is provided with at least one, preferably two, disks opposite each other in the longitudinal direction of the hollow body and rotatably mounted in the axial direction.

[0013] Disclosure WO 92 / 08019 A1 relates to a "device for joining two rods end-to-end". Disclosed is a device for joining two threaded rods end-to-end, wherein the two rods are connected by a sleeve in the interior of which two nuts are screwed, the nuts resting in sleeves screwed onto the ends of the rods, the diameter of the sleeves being smaller than the inner diameter of the sleeve, while the inner diameter of the nuts being substantially larger than the diameter of the rods.

[0014] US 6 065 263 A discloses a bridging element according to the preamble of claim 1.

[0015] The object of the invention is therefore to provide a device for connecting two components that allows for flexible installation even for different thermal insulation and assembly devices. Disclosure of the invention

[0016] A bridging element is disclosed for connecting two building components, particularly those located in different temperature zones. These two components are a first component, in particular a thermally insulated building with or without a substructure, and a second component, a building part to be attached to the first. The building parts can be arranged vertically or horizontally. To create a secure connection, the bridging element is positioned between the first and second building parts. This bridging element is made of compression-resistant material and absorbs the compressive and / or tensile forces, as well as any shear forces and moments acting upon it.

[0017] The bridging element according to the invention is a spacer element that can have the function of thermal separation. The bridging element is multi-part, i.e., at least two-part, and is in particular made of composite material, metal and / or plastics.

[0018] The bridging element has a primary element that functions as a load-bearing element and is connected to a connecting element that is designed either as an insert or top-mount element.

[0019] The two components are thus connected via the bridging element, which, if thermal insulation is present, passes through it. This connection is made, for example, by at least one fastener such as a connecting screw. The bridging element is designed to withstand compressive and / or tensile and / or shear forces. It can also absorb moments. A moment is the effect of a vector quantity acting at a point. In the present embodiments, this is the moment of a force couple (displacement times force) consisting of compressive and tensile forces at a distance from each other.

[0020] The at least one connecting screw can be mounted in an air space and thus its position can be adjusted within limits. This allows the position of the bridging element to be varied and adapted. This variation is possible on both sides of the bridging element, i.e., on the side that is located against the building wall or a substructure, or on the side that faces away from it and to which the second component is to be attached.

[0021] By using suitable materials in the construction of the parts to be joined, in particular certain plastics, aluminium or the like, a thermal separation can be created which is useful when used in external thermal insulation composite systems.

[0022] The second component to be installed can be, in particular, a light fixture, an awning, a bracket for a smaller element such as a basketball hoop, or similar. In a larger design, however, the component can also be a railing system, add-on or superstructure elements, balustrade elements, facade elements, a canopy, a loggia, entrance slabs, or similar.

[0023] The bridging element according to the invention has the advantage that it provides a secure connection, allows for thermal separation, and enables adjustment in multiple directions. The bridging element is adjustable in length and its position is adjustable at both ends, both on the side facing the first and the second component. This results in three-dimensional adjustability in multiple directions. The bridging element has a static load-bearing function and can absorb tensile and compressive forces, as well as shear forces, individually or in combination, and force couples consisting of compression and tension, and consequently, moments.

[0024] This minimizes the formation of thermal bridges and damage from condensation, prevents damage to the building wall or substructure even under the aforementioned wind loads when used correctly, and ensures the installed component is securely connected to the building structure. Furthermore, varying requirements, such as different thicknesses of thermal insulation devices, mats, panels, etc., and especially the subsequent addition of elements like lights, loggias, balconies, etc., can be easily accommodated by adjusting the element in different directions.

[0025] Further advantages and advantageous embodiments of the invention can be seen in the following description of the figures, the drawings and the claims.

[0026] An embodiment of the solution according to the invention is explained in more detail below with reference to the accompanying schematic drawings. Individual examples of the figure descriptions are shown below. Fig. 1 bis 5 These are not examples of the invention and serve only for illustration. They show: Fig. 1 shows a bridging element between two building components in longitudinal section, Fig. 2 shows the design of an opening in a top view, Fig. 3 represents another bridging element in the longitudinal section, Fig. 4 shows a bridging element after Fig. 3 in longitudinal section, in Fig. 4a ) is a variant of the design of a supporting element shown and Fig. 5 shows a top view of the area of ​​the bridging element distal to the substructure.

[0027] In Fig. 1 A bridging element 100 is shown. The bridging element 100 has a support or primary element 10. The support element 10 has an internal thread 12 on its walls. The walls of the primary element 10 are cup-shaped and surround a hollow form. Furthermore, a screw-in element 14 is provided. In this embodiment, the screw-in element 14 has an external thread 16 on its edge sections of the cup-shaped hollow form. This example is not part of the present invention. The bridging element 100 is connected to a substructure 20 by a fastening means 18.

[0028] An opening 22 is arranged on the side of the support element 10, which rests against the substructure 20. The diameter of the opening 22 is larger than that of the mounting pin. A sleeve nut with a threaded rod or a screw, for example, can be used as a fastening element 18.

[0029] A washer 26 is arranged between the support element 10 and the nut 24. This arrangement allows the bridging element 100 to be positioned on the substructure 20 with limited adjustability. The fastener 18 can be moved back and forth within the opening 22, so that the position of the bridging element 100 can be changed within limits.

[0030] The screw-in element 14 has a fastener 18', a screw or a threaded stud with a nut 24' and a washer 26', for connection to a building component to be attached. As in the case of the previously described connection of the bridging element 100 to the substructure 20, the screw-in element 14 can be connected to the building component to be attached with limited adjustability. Adjustment is achieved by sliding the fastener 18' within the opening 22' until the desired position is found, at which the building component to be attached is aligned as desired. The degree of adjustability is indicated by the arrangement of the respective arrows. A hammerhead screw can also be used as the fastener 18'. This can be installed from the outside by turning it. The adjustment options are thus a) the length adjustability is determined by the screw-in depth of the screw-in element 14 relative to the support element 10, b) the movement of the fastener 18 within the elongated hole 22, and c) the movement of the fastener 18' within the elongated hole 22'. This results in a limited adjustment range.

[0031] In addition to the elongated hole or a suitably large round hole 22', further holes, in particular holes 33 (see below), may be made. Fig. 2 ) arranged, through which, for example, after the position has been determined, injection with a hardening material can be carried out. The injection takes place into an air space of 30" (see description of Fig. 3 ).

[0032] Fig. 2 Figure 1 shows the fastener 18' in the arrangement within the opening 22', which is located in the screw-in element 14. The opening 22' is specifically designed as an elongated hole, allowing the fastener 18' to be displaced within this elongated hole, at least along its longitudinal extent. Alternatively, the opening 22' can be designed as a circular hole with a slightly larger diameter than the fastener 18', allowing for limited positional adjustment within this range. The degree of displacement is again indicated by the arrow direction. Injection can be carried out through the openings 22' and / or 33.

[0033] In Fig. 3 The bridging element 100 is shown in a further embodiment. In this embodiment, the element 14' is designed as a screw-on element 14' in the shape of a bushing and has a lateral extension 28 located proximally to the substructure 20. An air space 30 is formed. This air space 30 serves to move or adjust the fastening element 18'. Hooks or detents can also be used when screwing it in, so that no further rotation occurs due to the engagement in the thread. For example, a ring, particularly with knurling, can also be used to fasten the parts of the connection system. This is achieved by pressing, inserting, or snapping. The air space 30" can be opened by means of openings, for example, by bores 33 (see description of Fig. 2 ), filled or sprayed out. This allows the 30'' airspace to be closed.

[0034] A washer 26" can also be arranged. A lock nut 32 can further secure the fastener 18'. In this modified embodiment, the screw-on element 14' has an internal thread 12'. This illustrated element is designed as an insertion element in this variant of the invention. Thus, this element is inserted along a groove and rotated to lock it in place, resulting in a secure hold. Fasteners 24' and 24" as well as washers 26' and 26"' are shown.

[0035] In this embodiment, the support element 10' is designed as an elongated cylinder. The support element 10' has an air space 30' which allows the fastening element 18" to move. The support element 10' thus performs the same function as the support element 10, but with a different design. For this purpose, an external thread 16' is arranged on the support element 10'. The design of these internal and external threads is therefore the opposite of the design in the embodiment in Fig. 1 , but has the same effect, namely the mutually aligned adjustability or components of the two components 10 and 14 or 10' and 14'. The fastening element 18" is designed in a long form and thereby increases the stability of the bridging element 100.

[0036] In Fig. 4 The bridging element is 100 after Fig. 3 as shown. In a variation of the version in Fig. 3 The support element 10' has a recess 34 which serves to countersink the fastening element 18'''. This allows for a longer travel distance for adjustment in the lateral longitudinal extent of the bridging element 100. The support element 10' has extensions 36, 36' on its side facing the substructure 20. The support element 10' can be made of solid material.

[0037] The screw-in part, or in this embodiment the screw-on element 14', of the bridging element 100 has a threaded insert. This threaded insert can be made of metal or plastic for stabilization or thermal separation, depending on the objective. In this embodiment, a metallic threaded insert 40 is formed on the inner surface of the bushing-shaped or hollow screw-on element 14'. In another embodiment, a threaded insert 40 can be formed on the primary or support element 10. In metallic versions of the primary element 10 and the element 14, 14', or in hybrid constructions, such a threaded insert 40 can also be designed as a thermal break, for example, in plastic or other suitable materials.

[0038] Fig. 4a shows that the supporting element 10' can be designed as a honeycomb structure.

[0039] The honeycomb structure offers the advantage of material savings. The individual honeycombs 38 of the supporting element 10' are shown.

[0040] Fig. 5 The bridging element shows 100 after Fig. 4in a top view. The edge 28 of the bushing-shaped screw-on element 14' is shown. The fastener 18' can be moved back and forth within the limits of the elongated hole 30 in the opening, so that its position within these limits can be varied and then fixed. This allows for adjustment of this position. The positioning can thus be set vertically, horizontally, or both. The position of the fastener can therefore be changed from a purely perpendicular position relative to the first component and also shifted laterally. This shift occurs within the available possibilities of the exemplary air space 30. The washer 26" is also visible. Reference symbol list

[0041] 10 Support element hollow shape 10' Support element cylindrical shape 12 Internal thread 12' Internal thread 14 Screw-in element for support element 10 14' Screw-on element for support element 10' 16 External thread 16' External thread 18 Fastener 18' Fastener 18" Fastener 18"' Fastener 20 Substructure 22 Opening 22' Opening 24 Fastener 24' Fastener 24" Fastener 26 Washer 26' Washer 26" Washer 26''' Washer 28 Lateral extension Screw-in element 30 Air space 30' Air space 30" Air space 32 Lock nut 33 Opening for filling 34 Recess 36 Widening 36' Widening 38 Honeycomb 40 Threaded insert 100 bridging element

Claims

1. Bridging element (100) for connecting a first component, which is designed as a building element and / or substructure (20), to a second component, wherein the bridging element has a static load-bearing function and comprises at least one primary element (10, 10') and at least one attachment element (14, 14'), which can be connected so as to engage in one another, as a result of which the primary element (10, 10') and the attachment element (14, 14') are designed to be adjustable in length relative to one another, wherein the bridging element (100) comprises two fastening means (18, 18', 18", 18"'), wherein one opening (22, 22') for the fastening means (18, 18', 18", 18"') is formed at both the proximal end and the distal end of the bridging element (100) relative to the first component, wherein the fastening means (18, 18', 18", 18"') each comprise at least one washer (26, 26', 26") and / or one nut (24, 24"), wherein the openings (22, 22') have a circular shape, the diameter of which is designed to be somewhat greater than the fastening means (18, 18', 18", 18"') and / or which is designed as a slot, and wherein the arrangement of the fastening means (18, 18', 18", 18"') is selectable within the openings (22, 22') by the fastening means (18, 18', 18", 18"') being able to be moved back and forth inside the openings (22, 22') within their limits, and this can result in limited adjustability of the position of the fastening means (18, 18', 18", 18‴). characterised in that the primary element (10, 10') and the attachment element (14, 14') are designed to be able to slide into one another along a groove and are rotatable for fixing a length position.

2. Bridging element (100) according to claim 1, characterised in that the primary element (10, 10') is designed in a hollow shape (10) or a cylindrical shape (10').

3. Bridging element (100) according to any of the preceding claims, characterised in that the primary element (10, 10') designed as a load-bearing element (10') is designed as a honeycomb element.

4. Bridging element (100) according to any of the preceding claims, characterised in that the primary element (10, 10') and the attachment element (14, 14') are each designed to absorb compressive forces and / or tensile forces and / or shear forces and / or torques, such that at least one force couple is absorbed.

5. Bridging element (100) according to any of the preceding claims, characterised in that the bridging element (100) is made of a material having limited tension and compression stability.

6. Bridging element (100) according to claim 5, characterised in that the material is metal or light metal and / or plastics material or reinforced plastics material or composite material.

7. Bridging element (100) according to any of the preceding claims, characterised in that thermal separation of the first component from the second component is provided by the use of plastics material, concealed plastics material, composite material and / or metal and / or combinations thereof.

8. Bridging element (100) according to any of the preceding claims, characterised in that the primary element (10') comprises a recess (34) for countersinking the fastening means (18‴), wherein the length of the adjustability is increased by the recess (34).