DK168078B1 - JOINING, PRIOR TO ITEMS IN CALLED AIR TREATMENT AGGES - Google Patents

Abstract

A connection assembly primarily for so-called air treatment apparatus housing slabs (1), the edges of the slabs (1) which are to be connected being provided with support sections (2). Each support section (2) has edge portion legs (12,25), a joining web (6) and a squeezing leg (7) substantially at right angles thereto, the leg being terminated by an abutment end (8), and having a length ( ) corresponding to approximately half the depth (L) of the slab or support section. The edge portion is U-shaped with two legs, one (25) of which being attached to the adjacent slab and one (12) being free with a gap (26) therebetween. The web (4) of the connection section (3) in a position of use is flush with one flat face (22) of the slab (1) or at a level which is parallel to this face. Locking legs (5) depart from the edges of the web (4) and with the aid of stiffening bends (9, 10) engage and retain in the connection position the abutment ends (8) of the support sections (2). The connection section (3) engages against the legs (12) of edge portions and/or with the adjacent major surface (22) of the slabs (1) with external engagement surfaces (13).

Description

in DK 168078 B1

The invention relates to a joint, preferably to elements of so-called air-handling units or the like, and of the kind specified in the preamble of claim 1.

5 The joining according to the invention constitutes a further development of the technique disclosed in the applicant's Swedish Patent No. 417,625.

Swedish Patent Specification No. 417,625 discloses a joining technique which optionally enables a planar or perpendicular joining of e.g. two wall elements. The obtained joints have a high strength, but the material consumption in the form of joints, joints and locks is high. Another disadvantage of the prior art is the fact that locking is required for joint profiles formed in the wall elements 15, ie. already in the fabrication of the wall elements, joint profiles must be integrated into the structure.

Further disadvantages of the prior art consist in the fact that it requires an exact accuracy of the air treatment aggregate elements or air treatment unit panels used and that the obtained joint becomes relatively weak and easily deformable. In order not to have an unreasonably large consumption of material and thus the weight of the elements, one is limited to using a thin plate thickness in the joint profiles. Yet another disadvantage of the prior art joint is to be limited to certain set element or module sizes if you do not want to customize deviating sizes with the resulting extra costs. The prior art construction 30 also does not allow for integrated connection of additional means, such as stiffening rods and the like.

The primary object of the invention is therefore to provide a joining technique which can be used in the first series of elements for air handling units, where the material consumption for the various elements and assemblies included in the construction becomes low, while at the same time obtaining a dense joint. with high strength, thereby enabling arbitrary large elements to be joined without the use of the elements, pre-formed assembly profiles integrated with the elements.

Another object of the invention is to provide a jointing technique which is easy to use even for unqualified or uneducated persons, and that the force required in applying the locking list over the adjacent and e.g. . The edges of the roof elements and 15 pulleys fitted with retaining branches are extremely modest.

A further object of the invention consists in providing a joining technique in which the provision of the components necessary for the technique can be carried out without an expensive manufacturing and control procedure for the purpose of ensuring a sufficiently safe and reliable function. In addition, the invention should enable a simple and secure stiffening as well as connecting additional means.

The aforementioned objects of the present invention are achieved in that the joining device has the characteristics specified in the claims.

By letting the clamping / arresting ends at the joint profiles meet the protruding branches / locking lists on the "halfway" joints, you obtain partly a material saving and long torque arms that help keep the different details fixed despite moderate locking forces.

By releasably attaching the joint profiles to the roof elements or wall elements, it is possible to use both whole and arbitrarily cut standardized module elements, since the joint profiles can be easily fixed in these 5 standard elements.

By using an edge branch as additional support for attaching the joint profiles to the edge side of a standard element, the stiffness is increased.

By using an assembly profile with a U-shaped bent double edge branch, expansion and contraction are allowed in the joint with the strength and gas density retained. There is also an advantageous opportunity to connect stiffening rods and / or other means.

The minimum material consumption to provide a joining device according to the invention is achieved when the branches of the molding strip go directly into the body portion of the molding strip and continue to converge and end with a pair of stiffening bends to form a gap.

20 If a gas-tight joint is desired, a list is placed in the simplest way between the two terminals.

The invention will now be explained in more detail with reference to the drawing, in which 1 is a cross-sectional view of a first embodiment of a joint device according to the invention; 2 different embodiments of assembly profiles and different attachment options thereof and an additional member; FIG. 3 different embodiments of checklists, 30 fig. 4 is a modified embodiment of the joining device of FIG. 1 and 4 DK 168078 B1 fig. 5 shows a stiffening option of a dressing according to the invention.

In FIG. 1, a pre-assembled joint is shown between two elements 1, e.g. roof elements, having a first and a second flat side 22 and 23, e.g. an exterior and an interior side of an aggregate housing. At each element, assembly profiles 2 are arranged mirror-symmetrically the same, after which an assembly strip 3 locks the two elements in a joint.

The assembly strip 3 has a body portion 4 from which are formed two converging branches 5 in the form of locking strips, which are completed in the form of each inwardly directed bend 9 and one outward bend 10, and at right angles to the body portion 4 protruding end edges below. closing a slot 24 in which the clamping branches 7 of the connecting profiles 2 are to be held in the locking position. In addition to the clamping branches, the connecting profiles 2 additionally have a connecting branch 6 and arresting ends 8 as well as a double, U-shaped edge branch 12,25 during closing of a slot 26. An elastic resilient sealing between the terminals 7 is indicated by the reference numeral 14.

By giving the locking strips 5 a rounded transition at the places where it is to cooperate with the clamping branches 7 and the arresting ends 8 and a transition between these parts likewise rounded 25, a good system and a good transmission of power are ensured, which is important for the function.

In the joint according to the invention, clamping strips 3 abut against abutment or retaining surfaces 13 at the ends of the edge branch 12 and / or the flat sides of the element 1. In FIG. 1 30, these fixed assets are constituted by the outer sides of the branches 5.

DK 168078 B1 5

The assembly profiles are conveniently screwed to the side edges of the element 1. In a first method of connection, the connecting profiles 2 are fastened by means of the screw body 16 running through the contact body 15 of the collecting profiles 5, with only screws 16 indicated by the head and center line. A seal 17 may be provided between the abutment body 15 and the flat sides 23 of the element 1. screws 18 are placed through the edge branch 12 of the assembly profile 2 into the short side of the associated element 10 1. Here, too, an intermediate seal 17 may be provided. The screws 18 may optionally be passed through a larger hole in one half of a U-shaped, double edge branch 12, whereby the larger hole may be covered by a plug 19. flexibility in the joint, as the edge branches 12,25 can be deformed in their U-bend to accommodate length differences and length changes. The first method of attachment is particularly suitable for cut member plates where the end walls of the member plates are missing or may be randomly attached with less accuracy.

Of course, other attachment methods are also possible.

In FIG. 1, downwardly extending branches 20 are shown which can be used for mounting e.g. an apparatus or circuitry equipment in an air handling unit. If they are located on the underside of the floor element 1, they can be used to carry an air conditioning unit. In general, free branch ends 20 can be used for mounting appropriate stiffening of an air treatment unit if the joint profiles 2 are arranged with the branches 20 on the outside.

FIG. 3a shows the one in FIG. 1 used assembly list 3. FIG. 3b shows a modification of the assembly strip 3, whereby the plate 4 continues on both sides in the form of double-layered extensions to form clamping flanges 21, whereby the plate is deflected perpendicular to the body as locking strips 5 ', after which a substantially perpendicular bend 9 towards symmetry plate 27 terminates in a perpendicular bend 10 on the other side to form a slot 24 in which the clamping branches are retained in the locking position.

FIG. 3c shows a modified joint profile 3 with outer clamping flanges 21 and at the inner edge thereof locking strips 5 ", which 10 converge weaker inclined inward towards the plane of symmetry, after which they deflect at the area 9 and continue generally parallel to the body part 4 to terminate. in the stowed bend by folding back the end edges 11 to form a slot 24. in which the clamping branches 15 are retained in the locking position, however, in the embodiment of Fig. 3c, the end edges can also form a 90 ° angle with respect to the body part 4. Similarly, In the embodiment of Fig. 3b, the end edges 11 are bent 180 ° towards or away from the body part 4. An assembly strip according to Fig. 3a may also include clamping flanges 21.

The clamping flanges 21 are arranged to abut against the ends of the edge branches 12 or to the flat sides of the elements 22. Especially when abutting against the flat sides 22 this results in flexibility in the joint, since there is no absolute need for an exact fit and an exact abutment between the joint profiles 2 and an adjoining element 1, but some gap or variation in distance may be accepted.

In the embodiment shown in FIG. 1, the thickness of the joint itself (other than the free branches 20) corresponds substantially to the thickness of the elements joined by the joint 1. However, it is also possible to use a joint device according to the invention to JR DK 168078 B1 7 both considerably thinner and thicker elements 1, for example, if no other jointing devices are available, or if a very thick insulation is required. With 5 thick elements, the joint profiles 2 can be screwed into only one flat side 23.

FIG. 2 shows alternative embodiments of assembly profiles and / or its attachment and / or its attachment means. As shown in FIG. 2a, which in principle corresponds to that of FIG. 1, the branches 20 at their outer end are folded parallel to the element 1 to form an additional branch 39. In FIG. 2b, on the other hand, branches 20 are missing. 2c misses both the abutment member 15 and the branches 20, but a 15 Z-shaped profile 31 is inserted with its one branch in the slot 26 and forms with its body part and the other branch corresponding parts with respect to the body part 15 and the branch 20. Between the element and The profile 31 and the branches 25, respectively, are conveniently arranged around the element with a U-shaped part terminating 20 additional profile 30, which also follows the part corresponding to the branch 20 of the profile 31, where these profiles can be joined by a screw 32, forming eventually one with the element parallel, free end facing away from the joint. The assembly profile according to FIG. 2d is similar to that of FIG.

25 2c, but illustrates that it can also be applied to one of the main faces of the element, preferably adjacent to the short side. The fastening itself is preferably effected by a belt-like profile 33, which may be attached to the element through a screw 34 outside the assembly profile. FIG. 2e 30 is similar to FIG. 2d, but shows the attachment to the element by a screw 35 passing through the branches 12 and 25. Thus, a profile 33 is missing and the assembly profile is turned 180 °.

FIG. 4 corresponds to FIG. 1, but there is provided here a closing 35 around the connecting branch 6 and in both columns 26 8 DK 168078 B1 penetrating U-profile 28 with a intermediate sealing covering at the transition area between the two connecting branches 29. The screws 18 may be passed through the U-profile. 28's branches so that 5 a very stable and completely gas tight joint is obtained.

In all embodiments, it can be said that the seals and gaskets can be placed in any location. These may also be made in whole or in part in elastic materials, e.g. rubber, to take into account any desired elasticity.

FIG. 5 shows that the slot 26 can be used in a very advantageous manner for receiving stiffening plates 36, e.g. with a triangular design, which bracing plates can be placed in two slots 26 located in the same plane in the corner area by two adjacent elements and anchored there by e.g. prests 37. The slots can also be opened for receiving / anchoring any arbitrary additional organs. Nevertheless, if one wishes to maintain a considerable yield in this area, one chooses the gap width larger or the thickness of the supplementary means smaller, so that a certain clearance allows the said yield.

The invention is not limited to the embodiments described above, but may be changed within the scope of the following claims.

Claims (9)

A joining device, preferably to elements (1) of air handling units, wherein at least one of the surfaces of each of the elements to be joined is provided with a joint profile (2) adapted to cooperate with gripping grooves (2) adjacent to each other (2) adjacent to each other, and these interlocking joists (3) having a body portion (4) and projecting branches (5) projecting from its edges, whereby each joint profile (2) is secured by said element via an edge strip (12) which enters a connecting branch (6) and a substantially perpendicular to this directed clamping branch (7) which terminates in an arresting end (8), characterized in that the edge strip (12,25 ) is U-shaped, with a branch (25) attached to the respective element (1) and a free branch (12) spaced from it by a bend (38) while enclosing a slot (26), the length of the clamping branch (1) is smaller than the element and joint profile thickness (L) 20, respectively, and has a size up to advantage. about half of this, and that each joint strip branch (5) simultaneously forms a lock strip by at least one stiffening bend (9,10) adjacent to the free end edges (11), which bends are arranged to engage in the assembly position. in the basin of the clamping branches (7) and arresting ends (8) of the two connecting profiles (2), whereby the connecting strip (3) abuts the edge molding bends (38), and optionally at least one flat side (22) of at least one element (1), with external abutment or abutment surfaces (13). Device according to claim 1, characterized in that the two branches / locking strips (5) of the connecting strip (3) extend in such a way that they initially converge in the direction from the body part (4) and towards its center and plane of symmetry (27). ), after which they bend (at 9) and converge in a direction toward said body part (4) and plane (27), then terminate at a bend (at 10) leaving a gap (24), wherein the clamping branches (7) ) is held in the locking position. DK 168078 B1 \ 10 Device according to claim 1, characterized in that the sealing strips (5 *) from the body part (4) of the assembly strip (3) extend perpendicularly from this one from the outer edges, after which a substantially perpendicular folding (9) in the direction towards the symmetry plane (27) of the moldings (3), a perpendicular bend (10) is terminated in the opposite direction to form a slot (24) in which the clamping branches are retained in the locking position. Device according to claim 1, characterized in that the locking strips (5 ") of the body part (4) of the assembly strip (3) converge therefrom a distance from the outer edges towards its center and plane of symmetry (27), after which they bend and continue substantially parallel to the body portion (4) to terminate in a stiffening fold, leaving a slot (24) in which the clamping branches are retained in the locking position. Device according to one or more of the preceding claims, characterized in that, in the extension of the body part (4), at the extension line of the branches (5), the connecting strip (3) has double bent clamping flanges (21) forming said abutment or retaining surfaces. (13). Device according to one of claims 1 to 5, characterized in that the edge strip is fixed to the associated element by means of a screw (18), the screw head part preferably passing through a larger hole in the free edge branch (12), which hole is preferably arranged to be covered by a plug (19) after insertion and anchorage of the screw (18). DK 168078 B1 11 Device according to one of claims 1-6, characterized in that the gap (26) between the two edge branches (12,25) is arranged to accommodate at least one additional means, e.g. a stiffening plate or the like, which may conveniently be secured by press rivets (37) through both branches (12,25) and through the stiffening plate or, like (36). Device according to one of claims 1-7, characterized in that the connecting profile (2) and the associated element (1) are arranged to be attached to a profile or the like (30,31,33) which can be attached to the element together with and / or outside the assembly profile, which optionally replaces the assembly profile attachment to the element. Device according to one of claims 1-8, characterized in that the slots (26) are arranged to receive a common profile, preferably a U-profile (28), at one joint formed by two joint profiles (2), preferably with a U-profile (28). an intermediate seal (29) covering the transition area between two adjacent connecting branches (6). 20 io. Device according to one of claims 1-9, characterized in that at least one joint profile (2) is arranged and / or fixed on one of the main surfaces of the associated element (1), the gap (26) formed by the -shaped branches, preferably open in the direction of the adjacent short side of the element or in the opposite direction.