EP3592932B1 - Plug connector and plug connection - Google Patents

Plug connector and plug connection Download PDF

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Publication number
EP3592932B1
EP3592932B1 EP18712517.4A EP18712517A EP3592932B1 EP 3592932 B1 EP3592932 B1 EP 3592932B1 EP 18712517 A EP18712517 A EP 18712517A EP 3592932 B1 EP3592932 B1 EP 3592932B1
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EP
European Patent Office
Prior art keywords
plug connector
connector
retaining elements
edge
plug
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EP18712517.4A
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German (de)
French (fr)
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EP3592932A1 (en
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Ralf M. Kronenberg
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Individual
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Individual
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/667—Connectors therefor
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
    • E06B3/964—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces
    • E06B3/968—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members

Definitions

  • the invention relates to a plug connector and a plug connection with the features in the preamble of the main claims.
  • Such a connector is from DE 20 2014 104 222 U1 known. It is intended for warm-edge hollow profiles of spacers in insulating glazing and has an essentially U-shaped cross section with a base, peripheral side walls and a center stop, as well as laterally flared retaining elements on the free edge of the side walls.
  • the retaining elements are designed to be flexible, with a wall opening being located below the retaining elements and the retaining elements having a wedge shape which widens towards the middle of the connector.
  • the DE 20 2006 009 491 U1 shows a two-part connector whose parts are clamped together in a form-fitting manner.
  • the upper part has projections which are overlapped and clamped by wedge-shaped retaining elements on the lower part.
  • the claimed connector technology ie the connector and its manufacturing process, as well as the connector, have various advantages.
  • the claimed connector offers a particularly good and secure hold in a hollow profile made of a soft, heat-insulating material, in particular a warm-edge hollow profile. This consists at least partially of plastic.
  • the connector is also suitable for other types of hollow profiles with similar advantages.
  • the spring-loaded retaining elements of the claimed connector which are set out at the side, grip optimally on the side walls of the hollow profile.
  • the flexural softness of the retaining elements is less than in the prior art mentioned at the outset.
  • the claimed retaining elements offer a particularly firm and immediately effective retention when pull-out forces act on the closed connector. A gap formation at the connection point of the hollow profiles can be avoided with a high degree of certainty.
  • the connector can easily be plugged into the two ends of the hollow profile.
  • the laterally flared, resilient retaining elements offer a low insertion resistance, which is favorable for manual or automatic insertion, despite their higher bending strength.
  • they act immediately in the above-mentioned manner in the event of pull-out forces acting in the opposite direction and prevent the ends of the hollow profile from being removed from the connection point.
  • the claimed arrangement and shape of the laterally flared retaining elements is particularly favorable for the aforementioned functions and the plugging effect achieved.
  • the pull-out strength on the one hand and the insertion resistance on the other hand are optimally balanced.
  • the lower edge of the retaining elements is straight and no longer has the undercut and the large opening at the bending point as in the prior art mentioned above.
  • the straight front edge of the retaining elements is aligned parallel to the main plane of the associated side wall, which is preferably set out at an angle.
  • the claimed rectangular shape of the retaining elements is advantageous for the said functions.
  • the retaining elements can have the same rectangular shape as one another. The dimensions can vary.
  • the spring-loaded retaining elements which are slanted outwards, can be deformed when inserted into the hollow profiles and set up a little.
  • the retaining elements can optimally engage with the adjacent lateral profile wall with their front edges. Due to the straight bottom edge and possibly the narrow, straight separating cut, the retaining elements have particularly good resistance to pull-out forces, and their straight front edge grips the profile side wall in a linear and optimal manner.
  • a free space between the front edge or front side of the retaining elements and the wall extension of the retaining element that follows next in the axial or longitudinal direction is favorable for an optimal design of said front edge and for the production of the metal connector designed as a stamped and bent part.
  • the bending point or bending edge of the laterally flared retaining elements can be located directly at the end of the axial separating cut.
  • the groove is also an advantage and prevents deformation of the leading edge when cutting free and bending out.
  • the retaining elements are arranged on both side walls and on each side of the middle of the connector in an axial row or group of preferably four pieces.
  • the number can also be different, in particular larger.
  • a preferably outwardly directed embossing on the side walls has advantages for the strength of the connector and for the sealing effect against the hollow profile in the plugged-in position.
  • the preferably upright embossing extends, if necessary, over the lower, bottom part of the side wall and in some areas also over a laterally flared retaining element. As a result, the strength and sealing effect is also present on the retaining element.
  • the embossing can also be omitted.
  • the retaining elements have the different deployment widths claimed.
  • the clamping effect increases with the insertion depth.
  • the deployment width of the spring-loaded stop lugs for finding the center can be the same as or smaller than the deployment width of the respective nearest retaining element.
  • a different height of the retaining elements above the ground is also advantageous.
  • the first retaining elements in the direction of insertion preferably have a lower height than the subsequent retaining elements. Their height can be the same.
  • the length of the front edge or the bending point of the retaining elements can be the same. In a development, these lengths can vary.
  • the retainers adjacent the connector center may have a shorter leading edge length than the other retainers. This is favorable for the insertion and retention of the connector.
  • the connector has a higher mechanical stability, especially flexural strength in the middle area.
  • the claimed quadruple arrangement of retaining elements on each side wall and on both sides of the middle of the connector is also favorable.
  • the connector claimed has a closed and, in particular, flat bottom. This is advantageous for the above-mentioned plug-in effect and the retaining function of the retaining elements set out at the side at the upper free edge of the side wall.
  • resilient retaining elements can be arranged on the floor. These can be directed outwards. Their length can be shorter than their width, in particular the width at the free end edge.
  • the retaining elements can have a conical shape that widens towards the free front edge.
  • Stabilization on the end faces of the floor tongues is also favorable, in particular in the form of an interlocking of the front edge of the tongue.
  • Locking elements are advantageous for handling the loose connectors, which prevent connectors from being plugged together and jammed. This is particularly advantageous for automated handling and pre-plugging of connectors on the ends of hollow profiles.
  • Finding the center in particular a center stop, is favorable in order to be able to position the ends of the hollow profile plugged onto the connector exactly.
  • the center finder can be arranged on one or both long sides of the connector. With suitable, in particular resilient, stop elements, the ends of the hollow profile can butt tightly against one another at the connection point with their end faces. In this way, the formation of gaps and the emergence of granulate at the connection or joint point can be avoided or at least minimized.
  • the raised exterior bottom areas of the connector are also optimized to avoid or minimize granule leakage.
  • the connector is preferably formed as a stamped and bent part made of metal, in particular made of, for example, electrolytically galvanized sheet steel, or also made of carbon steel, stainless steel or the like.
  • the connector is preferably designed as a straight connector. Alternatively, however, it can also be designed as a corner bracket.
  • the invention relates to a connector (1) and its manufacturing method.
  • the invention also relates to a plug connection (31) made from a hollow profile (32) and an inserted plug connector (1).
  • Figure 1 to 9 show the connector (1) in different views.
  • Figure 10 and 11 the plug-in position of the connector (1) is shown on one side in one end of a hollow profile (32).
  • Figure 12 to 25 show four other variants of the connector (1).
  • the connector (1) is designed as a straight connector. Alternatively, it can be designed as a corner bracket.
  • the connector (1) has a center (22) and connector legs protruding therefrom in different directions. In the case of the straight connector shown, the connector legs are aligned. With a corner angle, they enclose an angle that deviates from 180°, e.g. 90°.
  • the connector (1) also has a longitudinal axis (23) extending along its legs and transverse to the center or centerline (22).
  • the connector (1) has a base (2) with side walls (3) on the edge. In the installed position of the connector or in the connector (31), the bottom (2) to Profile bottom (35) of the or the hollow profile (32) and the pane interior of the insulating glazing.
  • the side walls (3) adjoin the longitudinal edges of the base (2) perpendicularly or preferably slightly angled outwards and protrude in the opposite direction to the hollow profile roof (36).
  • the bottom (2) and the side walls (3) surround an inner cavity (5) which extends in the axial direction (22) to the open end faces (26) of the connector (1).
  • the cavity (5) is free and allows the desiccant granules to flow axially over the joint of the ends of the hollow profile (32).
  • the plug connector (1) has a substantially U-shape in cross section, which is open at the top towards the hollow profile roof (36) and towards the outside of the insulating glazing.
  • the connector (1) is designed as a stamped and bent part made from sheet metal, in particular sheet steel.
  • the sheet metal, in particular steel strip is preferably galvanized, e.g. electrolytically galvanized.
  • the side walls or side bars (3) are punched out of a blank during production and bent off the base (2) or central bar.
  • the preferably frame-shaped spacer of the insulating glazing can have one or more hollow profiles (32). It can consist, for example, of a single, multiple-bent hollow profile, the hollow profile ends of which are plugged onto the legs of the connector (1) on both sides.
  • the spacer (frame) can be formed by several hollow profile pieces, which are connected to one another in a corresponding manner via an inserted plug connector (1). The junction can be on a straight section or on be arranged in a corner region of the spacer frame. The spacer (frame) distances neighboring glass panes of the insulating glazing.
  • figure 1 shows the connector (1) in the first variant in a perspective view and in Figure 3, 4 and 5 in folded views.
  • the connector (1) in the embodiment of Figure 1 to 11 has a closed and preferably level base (2) on whose end faces (26) base strips (28) are arranged.
  • the bottom (2) has no openings and no retaining elements. He is according to the front view of figure 11 flat on the profile base (35), which is also flat on the inside.
  • the plug connector (1) has resilient retaining elements (6,7,8,9) on the free edge (4) of its side walls (3), which protrude from their respective side wall (3) and are bent laterally outwards at an angle. These retaining elements (6,7,8,9) are designed as spring lugs, which are each directed towards the center (22) of the connector, starting from the side wall (3).
  • the two side walls (3) have a row of four retaining elements (6,7,8,9) in front of and behind the middle of the connector (22).
  • the retaining elements (6,7,8,9) are arranged at the same height on both sides of the longitudinal axis (23) and each form a pair with one another.
  • the two legs of the connector (1) each have four such pairings.
  • the four rows or groups of retaining elements (6,7,8,9) are of the same design.
  • the retaining elements (6,7,8,9) are cut free from a plate with an angled, L-shaped punch cut from the free edge area (4) of the side walls (3) and then bent outwards.
  • a wall extension (17) of the side wall (3) axially adjoining the bending point (10) remains.
  • the retaining elements (6,7,8,9) have in the side view according to figure 3 and 6 seen in each case a straight lower edge (11).
  • the lower edge (11) runs parallel to the floor (2) and to the longitudinal axis (23).
  • the retaining elements (6,7,8,9) also have a straight upper edge (12) which also runs parallel to the bottom (2). It merges into the upper edge of the associated wall extension (17).
  • the positions of the lower edge (11) and upper edge (12) refer to the installation position and the floor (2) underneath.
  • the lower edge (11) is arranged closer to the floor (2) than the upper edge (12).
  • the top edge (12) is on the free edge (4).
  • the retaining elements (6,7,8,9) On the cut-out front, the retaining elements (6,7,8,9) have a straight and upright front edge (13) which extends parallel to the main plane of the side wall (3).
  • the front edge (13) is aligned at right angles to the top and bottom edges (12,11) and can be rounded off at the respective edge transition.
  • the retaining elements (6,7,8,9) are bent laterally around a rear bending point or bending edge (10) from the respective side wall (3) and are exhibited.
  • the bending line (10) runs parallel to the front edge (13).
  • the height of the retaining elements (6,7,8,9) is constant over their length.
  • the retaining elements (6,7,8,9) have a rectangular shape in the side view, which is delimited by the edges (11,12,13) and the bending line (10).
  • the length of the Retaining elements (6,7,8,9) along the upper and lower edge (12,11) is greater than the height of the retaining elements (6,7,8,9) along the front edge (13) or the bending line (10) .
  • the length can, for example, be one third or one half greater than the height. Alternatively, the difference in length versus height may be even greater.
  • the area size and the edge dimensions of the retaining elements (6,7,8,9) can be the same or different.
  • the retaining elements (6) adjacent to the end faces (26) according to FIG figure 6 each have a smaller length and a greater height than the other retaining elements (7,8,9).
  • Their lengths and heights as well as surface sizes can be the same as one another or only slightly different.
  • the retaining elements (6,7,8,9) are separated from their respective side wall (3) on their underside or lower edge (11) by a straight axial separating cut (14).
  • This is a narrow parting cut. Its width can be determined by the required punching or cutting tool.
  • the separating cut (14) extends parallel to the base (2) and to the longitudinal axis (23).
  • One end of the separating cut or free cut (14) extends to the bending line (10). He has a sharp edge here.
  • the straight and narrow severing cut (14) has a much smaller width than in the prior art mentioned at the outset and also does not have the enlarged and rounded opening at the said end of the cut.
  • the side wall (3) Adjoining the bending point (10) and the retaining elements (6,7,8,9), the side wall (3) has said wall extension (17) in the direction of the adjacent end face (26). Furthermore, the side wall (3) has a free space (15) in front of the front edge (13) of the retaining elements (6,7,8,9). This space (15) consists between the front edge (13) and the upright edge of the adjacent wall extension (17) of the next retaining element (7,8,9). The upright elongated space (15) is oriented across the floor (2). It is wider than the horizontal separating cut (14). The free space (15) has a groove (16) in the side wall (3) on the underside, which extends a little below the separating cut (14). figure 3 and 6 clarify this training.
  • the two side walls (3) each have a row of several, preferably four, retaining elements (6,7,8,9) on either side of the connector center (22).
  • the above-mentioned pairs of retaining elements (6,7,8,9) lying opposite one another each have a deployment width (w6,w7,w8,w9).
  • the projection widths (w6, w7, w8, w9) are of different sizes and each increase from the end face (26) to the middle of the connector (22).
  • the extension widths relate to the outermost upright edges or front edges (13) of the retaining elements (6,7,8,9) and in each case to the upper end and the end furthest away from the floor (2).
  • the pair of retaining elements (6) closest to the end face (26) has the smallest deployment width (w6).
  • the following pairs of restraining elements (7,8,9) each have a larger deployment width (w7, w8, w9).
  • the difference in size between the opening width (w6) and the following opening width (w7) is greater than the respective difference between the opening widths (w7,w8,w9).
  • This first difference between the projection widths (w6,w7) can be approx. 1 mm.
  • the difference in width between the following projection widths (w7,w8,w9) is much smaller and is approx. 0.1 mm.
  • the opening width (w9) closest to the connector center (22) is the largest.
  • the retaining elements (7, 8, 9) arranged on both sides of the connector center (22) on the side walls (3) or the connector legs have different heights (h1, h2) above the floor (2).
  • the heights (h1, h2) relate to the distance between the lower edge of the floor (2) and the upper edge (12) of the retaining elements (6,7,8,9).
  • the retaining element (6) arranged on the end face (26) has a lower height (h1) than the other retaining elements (7, 8, 9) following in the axial direction towards the center (22) of the connector. Their height (h2) is greater than the height (h1).
  • the separating cuts (14) or the lower edges (11) are arranged lower on the front retaining element (6) than on the other retaining elements (7, 8, 9).
  • the other retaining elements (7,8,9) can have the same height (h2) as one another. Their straight upper edges (12) and the likewise straight upper edges of their wall extensions (17) and the lower edges (11) are each at the same height. Alternatively, the height of the retaining elements (7) can be somewhat smaller and represent an intermediate height. The difference between the heights (h1) and (h2) can be about 0.3 mm, for example.
  • the side walls (3) on both sides of the connector center (22) can each have an embossing (18).
  • embossings (18) are present on the two connector legs in a center-symmetrical arrangement.
  • the trough-like embossings (18) are each directed outwards and preferably have an elongated and upright shape directed transversely to the base (2).
  • the sidewall material bulges outwardly and may be flat or slightly curved in the central bulge area.
  • the embossings (18) are each arranged in the area of a retaining element. They are preferably located on the retaining element (9) closest to the connector center (22). The embossing (18) is introduced into the circuit board during connector manufacture before the retaining element (9) is bent and laterally deployed.
  • the embossing (18) is interrupted by the separating cut (14).
  • the embossing (18) has an embossing area (19) on the side wall (3) and an embossing area (20) on the deployed retaining element (9). Seen in the longitudinal direction (23), the embossed areas (19, 20) are laterally offset from one another as a result of the said exhibition.
  • figure 2 explains this training.
  • figure 7 shows the embossing (18) viewed from the bottom (2).
  • the connector (1) can have an inwardly directed blocking element (21) on each of the side walls (3).
  • the blocking element (21) is designed as a blocking lug bent at an angle and directed towards the cavity (5) and is arranged on a wall extension (17) after a retaining element (8).
  • a blocking element (21) is arranged on each of the side walls (3).
  • the locking elements (21) are located on different legs and are offset diagonally to the connector center (22).
  • the blocking elements (21) narrow access to the cavity (5) from above and prevent plug connectors (1) from being immersed and nested in one layer on top of the other.
  • the bottom tongues (28) each have a stabilizer (29).
  • the stabilization (29) acts mechanically and stiffens the outer or front tongue edge (30).
  • the stabilization (29) can, for example, as an entanglement according to figure 5 and 9 be trained.
  • a separating cut is made in the middle and in the longitudinal direction (23) in the edge of the tongue (30), with the resulting tongue edge sections then being interlaced with one another and bent upwards and downwards in opposite directions.
  • the connector (1) has a center finder (24), which is designed, for example, as a center stop with fixed and/or resilient stop elements (25) for the plugged-on hollow profile ends (32). There are different design variants for this.
  • the stop elements (25) are arranged on one, preferably both, side walls (3). They are each designed as pairs of spring lugs that are directed towards one another and are laterally outwards. They are arranged in pairs opposite one another on both sides of the connector center (22). They are also axially spaced from each other at their fronts.
  • the stop elements (25) are arranged, for example, on the free edge area (4) of the side walls (3). They can be cut out of the respective side wall and bent obliquely outwards.
  • figure 2 and 3 show the details of the center stop (24) and its stop elements (25).
  • a hollow profile end (32) pushed onto one connector leg runs over the first elastically yielding stop element (25) and strikes beyond the center (22) on the end face of the second stop element (25) directed in the opposite direction and acting as a stop.
  • the second end (32) of the hollow section pushed on from the opposite side then strikes the first end (32) of the hollow section at the front.
  • the meeting point of the two The ends (32) of the hollow profile are located in the area of the center (22) of the connector (1) and are covered and sealed by the plate-like base (2) at least in the base area.
  • a spring nose can be combined with a fixed stop located opposite the center (22).
  • a fixed stop located opposite the center (22).
  • a center finder (24) can also be designed in a different way and can also be arranged at a different point on the connector (1). In the case of a corner bracket, the corner area is correspondingly widened and reinforced to form a stop for the plugged-on hollow profiles (32).
  • Figure 10 and 11 illustrate the plug connection (31) and the design of the hollow profile or profiles (32).
  • the hollow profile or profiles (32) are preferably designed as a warm-edge hollow profile. They consist at least partially of a plastic area with high thermal insulation. They can also have an area made of a different material, in particular metal.
  • the connector (1) inserted into the end of the profile preferably comes into contact primarily with the plastic area.
  • the hollow profile (32) has, for example, a substantially rectangular cross-section with a profile base (35), profile roof (36) and side walls.
  • the profile base (35) and the base (2) of the connector (1) face the inside of the spacer frame and the pane interior of the insulating glazing.
  • the cross-sectional shape of the connector (1) is that of the hollow profile (32) and together with the retaining elements (6,7,8,9) offers a firm seat in the inserted position.
  • the hollow profile (32) is designed in several parts and consists, for example, of two profile parts (33, 34).
  • One profile part (33) is made of plastic and the other profile part (34) is made of metal, in particular stainless steel.
  • the profile part (33) is e.g. trough-shaped and forms the lower part of the hollow profile (32).
  • the other profile part (34) is shell-shaped and designed like a cover. It is made of said metal.
  • the lower part (33) made of plastic forms the profile base (35) and the side walls of the hollow profile (32).
  • the metallic upper part (34) forms the profile roof (36) and overlaps the opening of the lower part (33) and the cavity (5) of the connector (1), which is open towards the roof area.
  • the upper part (34) can be designed like a clamp and can also overlap an area of the side walls of the lower part (33) and snap into a local recess with a projection and be received resiliently.
  • the closed and, for example, flat bottom (2) of the connector (1) lies flat on the likewise flat profile base (35) and bridges the connection point of the hollow profile ends (32).
  • a granulated desiccant is allowed to flow through the cavity (5) and across the joint.
  • the sealing against undesired inflow of granules to the connection point takes place through the aforementioned ground contact and through the lateral embossings (18).
  • Figure 12 to 25 show variants of the straight connector (1). They largely agree with the first variant of Figure 1 to 11 match, in particular with regard to the rectangular shape of the lateral retaining elements (6,7,7,9) with a straight lower and upper edge (11,12) and an upright front edge (13). The changes are explained below.
  • Figure 12 to 15 show a second variant of the straight connector (1) in a perspective view of figure 12 and in side, plan and end views of Figure 13 to 15 .
  • the connector (1) of the second variant differs from the first variant in the arrangement of resilient retaining elements (37) on the base (2). These are designed as resilient bottom lugs, which are cut out of the bottom (2) and bent.
  • the retaining elements (37) are each directed obliquely outwards and point towards the center of the connector (22). The retaining elements (37) can thereby engage with the profile base (35) and claw here.
  • At least one retaining element (37) is arranged on each side of the center (22) of the connector on the bottom (2) of the connector (1). In the exemplary embodiment shown, there are two retaining elements (37) on each side.
  • the retaining elements (37) have a short length as seen in the axial direction (23). Its length is shorter than its width, in particular its width at the free end edge (38).
  • the retaining elements or bottom lugs (37) can have a conical shape when viewed from above, which widens toward the free end edge (38). The transition point or bending point on the floor (2) is narrower than the free end edge (38).
  • the locking elements (21) of the first variant are missing. Alternatively, they may be present.
  • the embossing (18) of the first variant is present in a modified form. They only reach as far as the separating cut (14) and do not extend into the lateral retaining element (9).
  • Figure 16 to 18 illustrate a third variant of the straight connector (1) in top view and side view of Figure 16 and 17 and in perspective view from figure 18 .
  • the connector shown here (1) again has a closed bottom (2).
  • the floor (2) there is a central channel (41) running in the longitudinal direction (23).
  • the base (2) curves inwards towards the cavity (5).
  • a central row of perforations in the profile base (35) can be accommodated in the channel (41).
  • Bead-like depressions (40) are arranged on both sides of the channel (41) and also run in the longitudinal direction (23). They are shorter than the connector length and are located in the middle of the connector (22).
  • the axial grooves (41) can bring about a stiffening of the floor (2) in the middle area.
  • the plug connector (1) when plugged in, can thus better absorb bending forces and bending moments that can occur when handling the spacer frame formed by the hollow profile (32).
  • figure 17 shows the design of the retaining elements (6,7,8,9) on the free edge (4) of the side walls (3) in a side view.
  • This design is the same in variants (1,2,3).
  • the retaining elements (6,7,8,9) have in accordance with figure 5 and 6 the said height (h1,h2) and the said opening widths (w6,w7,w8,w9).
  • the length of the upstanding leading edges (13) of the retaining elements (6,7,8,9) is essentially the same size.
  • the front edge length of the resilient stop lugs (25) of the center finder (24) can also have the same size.
  • the embossing (18) and the locking elements (21) of the first variant are missing. Alternatively, they may be present.
  • Figure 19 to 22 illustrate a fourth variant of the straight connector (1) in a side view and a folded top view of Figure 19 and 20 .
  • figure 21 shows a broken and enlarged representation of the detail XXI of figure 19 .
  • figure 22 is a perspective view of the connector (1).
  • the base (2) has two resilient retaining elements (37) of the type described above on both sides of the connector center (22).
  • the retaining elements (38) are slightly longer than in the second variant.
  • the base (2) has an outwardly directed elevation (39). It runs the length of the connector (1) and is located in its central area. It forms an outwardly protruding, rectangular base on the floor (2), which springs back again at the edges.
  • the bottom lugs (37) are arranged on the elevation (39).
  • the lateral retaining elements (6,7,8,9) on the free edge (4) of the side walls (3) have in principle the same rectangular shape as in the first three variants.
  • One difference is the length of the upstanding front edges (13).
  • the retaining elements (9) closest to the connector center (22) each have a smaller leading edge length (19). (13) as the front edge lengths (18,17,15) of the retaining elements (8,7,6) following in the direction of the end face (26).
  • the upper edges (12) of the retaining elements (7,8,9) are located accordingly figure 6 each at the same height (h2).
  • the shortened front edge length (19) causes the side wall (3) on the retaining element (9) to have a greater web height from the base (2) to the lower edge (11) or to the separating cut (14) than in the other retaining elements (6,7, 8) has.
  • the connector (1) is stiffened in the area near the center of the connector (22) due to the greater web height. Due to the shortened front edge length (19) and the correspondingly shorter bending point (10), the retaining element (9) is more flexible than the other retaining elements (6,7,8).
  • the length of the front edge (19) is essentially the same as the length of the front edge of the resilient stop lugs (25) on the center location (24).
  • figure 20 illustrates another modification of the fourth variant.
  • the lateral deployment width (w9) of the lateral retaining elements (9) closest to the center of the connector and the deployment width (wm) of the resilient stop lugs (25) can be the same.
  • the deployment width (wm) of the stop lugs (25) can also be smaller than the deployment width (w9).
  • the other opening widths (w6,w7,w8) are sized according to the first variant and figure 5 graded. For the sake of clarity, they are not shown in the fourth variant.
  • the embossing (18) and the locking elements (21) of the first variant are missing in the fourth variant. Alternatively, they may be present.
  • Figure 23 to 25 illustrate a fifth variant of the connector.
  • figure 24 shows a bottom view.
  • figure 23 show a perspective bottom view of the connector (1) and figure 25 a top perspective view of the open cavity.
  • the connector (1) again has a central elevation (39) on the base (2), which forms a base that protrudes outwards from the base (2) and has a substantially rectangular contour. Furthermore, a retaining element (37) and a further elevation in the form of a transverse bar (42) are arranged on the floor (2) on both sides of the connector center (22).
  • the bolt (42) is adjacent to the end face (26) in each case, with the retaining element (37) being located between the bolt (42) and the central elevation (39).
  • the central elevation (39) and the bars (42) can have a depression or recess in the middle.
  • a central row of perforations on the profile base (35) can be accommodated here.
  • the free end edge of the retaining elements (37) can also have such a recess.
  • the embossing (18) and the locking elements (21) of the first variant are missing in the fifth variant. Alternatively, they may be present.
  • the design of the outer surface of the connector base (2) and the inner surface of the profile base (35) can be adapted to one another.
  • the one shown in the other variants adapted, in particular complementary, contouring with peaks and valleys may be present.
  • the number of retaining elements (6,7,8,9) on the connector legs or in the row arrangements on the side walls (3) on both sides of the connector center (22) is also variable.
  • the ratios between the projection widths (w6,w7,w8,w9) and the heights (h1,h2) can also be variable.
  • the plug connection (31) and the hollow profile (32) can also be modified. It can have a different cross-sectional shape and a different material, for example a light metal alloy, steel, stainless steel or the like. It can be produced, for example, as an extruded profile or rolled profile.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Finishing Walls (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Description

Die Erfindung betrifft einen Steckverbinder und eine Steckverbindung mit den Merkmalen im Oberbegriff der Hauptansprüche.The invention relates to a plug connector and a plug connection with the features in the preamble of the main claims.

Ein solcher Steckverbinder ist aus der DE 20 2014 104 222 U1 bekannt. Er ist für warm-edge-Hohlprofile von Abstandshaltern einer Isolierverglasung vorgesehen und weist einen im Wesentlichen U-förmigen Querschnitt mit einem Boden, randseitigen Seitenwänden und einem Mittenanschlag sowie seitlich ausgestellten Rückhalteelementen am freien Rand der Seitenwände auf. Die Rückhalteelemente sind biegeweich ausgebildet, wobei sich unterhalb der Rückhalteelemente eine Wandöffnung befindet und die Rückhalteelemente eine Keilform aufweisen, die sich zur Verbindermitte hin verbreitert.Such a connector is from DE 20 2014 104 222 U1 known. It is intended for warm-edge hollow profiles of spacers in insulating glazing and has an essentially U-shaped cross section with a base, peripheral side walls and a center stop, as well as laterally flared retaining elements on the free edge of the side walls. The retaining elements are designed to be flexible, with a wall opening being located below the retaining elements and the retaining elements having a wedge shape which widens towards the middle of the connector.

Die DE 20 2006 009 491 U1 zeigt einen zweiteiligen Steckverbinder, dessen Teile formschlüssig miteinander verspannt sind. Das Oberteil weist dazu Vorsprünge auf, die von keilförmigen Rückhalteelemente am Unterteil übergriffen und eingespannt werden.the DE 20 2006 009 491 U1 shows a two-part connector whose parts are clamped together in a form-fitting manner. For this purpose, the upper part has projections which are overlapped and clamped by wedge-shaped retaining elements on the lower part.

Es ist Aufgabe der vorliegenden Erfindung, eine weiter verbesserte Steckverbindungstechnik aufzuzeigen.It is the object of the present invention to show a further improved plug-in connection technology.

Die Erfindung löst diese Aufgabe mit den Merkmalen in den Hauptansprüchen.The invention solves this problem with the features in the main claims.

Die beanspruchte Steckverbindungstechnik, d.h. der Steckverbinder und sein Herstellungsverfahren, sowie die Steckverbindung, haben verschiedene Vorteile.The claimed connector technology, ie the connector and its manufacturing process, as well as the connector, have various advantages.

Der beanspruchte Steckverbinder bietet einen besonders guten und sicheren Halt in einem Hohlprofil aus einem weichen, wärmeisolierenden Material, insbesondere einem Warm Edge-Hohlprofil. Dieses besteht zumindest bereichsweise aus Kunststoff. Der Steckverbinder ist mit ähnlichen Vorteilen auch für andere Arten von Hohlprofilen geeignet. Die seitlich ausgestellten, federnden Rückhalteelemente des beanspruchten Steckverbinders verkrallen sich optimal an den Seitenwänden des Hohlprofils. Die Biegeweichheit der Rückhalteelemente ist geringer als beim eingangs genannten Stand der Technik. Die beanspruchten Rückhalteelemente bieten einen besonders festen und sofort wirkenden Rückhalt, wenn Auszugkräfte auf die geschlossene Steckverbindung wirken. Eine Spaltbildung an der Verbindungsstelle der Hohlprofile kann mit hoher Sicherheit vermieden werden.The claimed connector offers a particularly good and secure hold in a hollow profile made of a soft, heat-insulating material, in particular a warm-edge hollow profile. This consists at least partially of plastic. The connector is also suitable for other types of hollow profiles with similar advantages. The spring-loaded retaining elements of the claimed connector, which are set out at the side, grip optimally on the side walls of the hollow profile. The flexural softness of the retaining elements is less than in the prior art mentioned at the outset. The claimed retaining elements offer a particularly firm and immediately effective retention when pull-out forces act on the closed connector. A gap formation at the connection point of the hollow profiles can be avoided with a high degree of certainty.

Andererseits kann der Steckverbinder leicht in die beiden Hohlprofilenden eingesteckt werden. Überraschenderweise bieten die seitlich ausgestellten, federnden Rückhalteelemente trotz ihrer höheren Biegefestigkeit einen geringen und für ein manuelles oder automatisches Einstecken günstigen Einsteckwiderstand. Andererseits greifen sie in der vorerwähnten Weise bei in Gegenrichtung wirkenden Auszugkräften sofort und verhindern eine gegenseitige Entfernung der Hohlprofilenden von der Verbindungsstelle.On the other hand, the connector can easily be plugged into the two ends of the hollow profile. Surprisingly, the laterally flared, resilient retaining elements offer a low insertion resistance, which is favorable for manual or automatic insertion, despite their higher bending strength. On the other hand, they act immediately in the above-mentioned manner in the event of pull-out forces acting in the opposite direction and prevent the ends of the hollow profile from being removed from the connection point.

Die beanspruchte Anordnung und Formgebung der seitlich ausgestellten Rückhalteelemente ist für die vorgenannten Funktionen und die erzielte Steckwirkung besonders günstig. Die Auszugfestigkeit einerseits und der Einsteckwiderstand andererseits sind optimal ausgewogen.The claimed arrangement and shape of the laterally flared retaining elements is particularly favorable for the aforementioned functions and the plugging effect achieved. The pull-out strength on the one hand and the insertion resistance on the other hand are optimally balanced.

Die Unterkante der Rückhalteelemente ist gerade und hat nicht mehr den Hinterschnitt und die große Öffnung an der Biegestelle wie beim vorgenannten Stand der Technik. Die gerade Vorderkante der Rückhalteelemente ist parallel zu der bevorzugt schräg ausgestellten Hauptebene der zugehörigen Seitenwand ausgerichtet. Hierbei ist die beanspruchte Rechteckform der Rückhalteelemente für die besagten Funktionen von Vorteil. Die Rückhalteelemente können untereinander eine gleichartige rechteckige Formgebung aufweisen. Die Abmessungen können dabei variieren.The lower edge of the retaining elements is straight and no longer has the undercut and the large opening at the bending point as in the prior art mentioned above. the straight front edge of the retaining elements is aligned parallel to the main plane of the associated side wall, which is preferably set out at an angle. The claimed rectangular shape of the retaining elements is advantageous for the said functions. The retaining elements can have the same rectangular shape as one another. The dimensions can vary.

Beim Einstecken des Steckverbinders gleiten die besagten Vorderkanten der Rückhalteelemente an der Hohlprofilwand entlang, wobei Verdrehungen der Rückhalteelemente um die Längsachse verhindert werden können. Die Rechteckform und die gegenüber der Höhe deutlich größere Länge der Rückhalteelemente wirken sich dabei ebenfalls positiv aus.When the plug connector is plugged in, said front edges of the retaining elements slide along the wall of the hollow profile, with twisting of the retaining elements about the longitudinal axis being able to be prevented. The rectangular shape and the significantly greater length of the retaining elements compared to the height also have a positive effect.

Die federnden und jeweils schräg nach außen ausgestellten Rückhalteelemente können beim Einstecken in die Hohlprofile verformt und ein Stück aufgestellt werden. Dabei können die Rückhalteelemente mit ihren Vorderkanten optimal in Eingriff mit der benachbarten seitlichen Profilwand treten. Durch die gerade Unterkante und ggf. den schmalen geraden Trennschnitt haben die Rückhalteelemente eine besonders gute Festigkeit gegen Auszugskräfte und verkrallen sich mit ihrer geraden Vorderkante linienförmig und optimal an der Profilseitenwand.The spring-loaded retaining elements, which are slanted outwards, can be deformed when inserted into the hollow profiles and set up a little. The retaining elements can optimally engage with the adjacent lateral profile wall with their front edges. Due to the straight bottom edge and possibly the narrow, straight separating cut, the retaining elements have particularly good resistance to pull-out forces, and their straight front edge grips the profile side wall in a linear and optimal manner.

Ein Freiraum zwischen der Vorderkante oder Vorderseite der Rückhalteelemente und dem Wandansatz des in Axial- oder Längsrichtung nächstfolgenden Rückhalteelement ist günstig für eine optimale Ausbildung der besagten Vorderkante und für die Herstellung des als Stanz- und Biegeteil ausgebildeten metallischen Steckverbinders. Die Biegestelle oder Biegekante der seitlich ausgestellten Rückhalteelemente kann sich unmittelbar am Ende des axialen Trennschnitts befinden. Die Auskehlung ist ebenfalls von Vorteil und verhindert eine Deformation der Vorderkante beim Freischneiden und Ausbiegen.A free space between the front edge or front side of the retaining elements and the wall extension of the retaining element that follows next in the axial or longitudinal direction is favorable for an optimal design of said front edge and for the production of the metal connector designed as a stamped and bent part. The bending point or bending edge of the laterally flared retaining elements can be located directly at the end of the axial separating cut. The groove is also an advantage and prevents deformation of the leading edge when cutting free and bending out.

Die Rückhalteelemente sind an beiden Seitenwänden und jeweils beidseits der Verbindermitte in einer axialen Reihe oder Gruppe von bevorzugt vier Stück angeordnet. Die Zahl kann auch anders, insbesondere größer, sein.The retaining elements are arranged on both side walls and on each side of the middle of the connector in an axial row or group of preferably four pieces. The number can also be different, in particular larger.

Eine bevorzugt nach außen gerichtete Prägung an den Seitenwänden hat Vorteile für die Festigkeit des Steckverbinders und für die Dichtwirkung gegen das Hohlprofil in der Einsteckstellung. Die bevorzugt aufrechte Prägung erstreckt sich ggf. über den unteren, bodenseitigen Teil der Seitenwand und bereichsweise auch über ein seitlich ausgestelltes Rückhalteelement. Die Festigkeits- und Dichtwirkung ist dadurch auch am Rückhalteelement vorhanden. Die Prägung kann auch entfallen.A preferably outwardly directed embossing on the side walls has advantages for the strength of the connector and for the sealing effect against the hollow profile in the plugged-in position. The preferably upright embossing extends, if necessary, over the lower, bottom part of the side wall and in some areas also over a laterally flared retaining element. As a result, the strength and sealing effect is also present on the retaining element. The embossing can also be omitted.

Für die Handhabung und die besagten Steckfunktionen ist es günstig, wenn die Rückhalteelemente die beanspruchten unterschiedlichen Ausstellweiten haben. Die Klemmwirkung nimmt dadurch mit der Einstecktiefe zu. Die Ausstellweite von federnden Anschlagnasen der Mittenfindung kann gleich oder kleiner als die Ausstellweite des jeweils nächstgelegenen Rückhalteelements. Außerdem ist eine unterschiedliche Höhe der Rückhalteelemente über dem Boden von Vorteil. Die in Einsteckrichtung ersten Rückhalteelemente haben vorzugsweise eine geringere Höhe als die nachfolgenden Rückhalteelemente. Deren Höhe kann gleich sein.For the handling and said plug-in functions, it is favorable if the retaining elements have the different deployment widths claimed. The clamping effect increases with the insertion depth. The deployment width of the spring-loaded stop lugs for finding the center can be the same as or smaller than the deployment width of the respective nearest retaining element. A different height of the retaining elements above the ground is also advantageous. The first retaining elements in the direction of insertion preferably have a lower height than the subsequent retaining elements. Their height can be the same.

Die Länge der Vorderkante bzw. der Biegestelle der Rückhalteelemente kann gleich groß sein. In einer Weiterbildung können diese Längen variieren. Die der Verbindermitte benachbarten Rückhalteelemente können eine kürzere Vorderkantenlänge als die anderen Rückhalteelemente haben. Dies ist günstig für das Einstecken und den Rückhalt des Steckverbinders. Außerdem hat der Steckverbinder eine höhere mechanische Stabilität, insbesondere Biegefestigkeit im mittleren Bereich. Günstig ist außerdem die beanspruchte Vierfachanordnung von Rückhalteelementen an jeder Seitenwand und jeweils beidseits der Verbindermitte.The length of the front edge or the bending point of the retaining elements can be the same. In a development, these lengths can vary. The retainers adjacent the connector center may have a shorter leading edge length than the other retainers. This is favorable for the insertion and retention of the connector. In addition, the connector has a higher mechanical stability, especially flexural strength in the middle area. The claimed quadruple arrangement of retaining elements on each side wall and on both sides of the middle of the connector is also favorable.

Der beanspruchte Steckverbinder hat in einer Ausführung einen geschlossenen und insbesondere ebenen Boden. Dies ist für die vorgenannte Einsteckwirkung und die Rückhaltefunktion der seitlich ausgestellten Rückhalteelemente am oberen freien Seitenwandrand von Vorteil. In einer anderen Ausführung können am Boden federnde Rückhalteelemente angeordnet sein. Diese können nach außen gerichtet sein. Ihre Länge kann kürzer als ihre Breite sein, insbesondere die Breite am freien Stirnrand. Die Rückhalteelemente können eine konische form haben, die sich zum freien Stirnrand hin erweitert.In one embodiment, the connector claimed has a closed and, in particular, flat bottom. This is advantageous for the above-mentioned plug-in effect and the retaining function of the retaining elements set out at the side at the upper free edge of the side wall. In another embodiment, resilient retaining elements can be arranged on the floor. These can be directed outwards. Their length can be shorter than their width, in particular the width at the free end edge. The retaining elements can have a conical shape that widens towards the free front edge.

Günstig ist außerdem eine Stabilisierung an den stirnseitigen Bodenzungen, insbesondere in Form einer Verschränkung des vorderen Zungenrands. Für die Handhabung der losen Steckverbinder sind Sperrelemente von Vorteil, die ein unerwünschtes Zusammenstecken und Verklemmen von Steckverbindern verhindern. Dies ist besonders für eine automatisierte Handhabung und Vorsteckung von Steckverbindern an Hohlprofilenden von Vorteil.Stabilization on the end faces of the floor tongues is also favorable, in particular in the form of an interlocking of the front edge of the tongue. Locking elements are advantageous for handling the loose connectors, which prevent connectors from being plugged together and jammed. This is particularly advantageous for automated handling and pre-plugging of connectors on the ends of hollow profiles.

Eine Mittenfindung, insbesondere ein Mittenanschlag, ist günstig, um die auf den Steckverbinder aufgesteckten Hohlprofilenden exakt positionieren zu können. Die Mittenfindung kann an einer oder beiden Längsseiten des Steckverbinders angeordnet sein. Mit geeigneten, insbesondere federnden, Anschlagelementen können die Hohlprofilenden mit ihren Stirnseiten an der Verbindungsstelle dicht aneinander stoßen. Hierdurch kann eine Fugenbildung und ein Granulataustritt an der Verbindungs- oder Stoßstelle vermieden oder zumindest minimiert werden. Die erhabenen außenseitigen Bodenbereiche des Steckverbinders sind ebenfalls für die Vermeidung oder Minimierung eines Granulataustritts optimiert.Finding the center, in particular a center stop, is favorable in order to be able to position the ends of the hollow profile plugged onto the connector exactly. The center finder can be arranged on one or both long sides of the connector. With suitable, in particular resilient, stop elements, the ends of the hollow profile can butt tightly against one another at the connection point with their end faces. In this way, the formation of gaps and the emergence of granulate at the connection or joint point can be avoided or at least minimized. The raised exterior bottom areas of the connector are also optimized to avoid or minimize granule leakage.

Der Steckverbinder ist bevorzugt als Stanz- und Biegeteil aus Metall, insbesondere aus einem z.B. elektrolytisch verzinktem Stahlblech, oder auch aus Kohlenstoffstahl, Edelstahl oder dgl. ausgebildet. Der Steckverbinder ist bevorzugt als Geradverbinder ausgeführt. Er kann alternativ aber auch als Eckwinkel gestaltet sein.The connector is preferably formed as a stamped and bent part made of metal, in particular made of, for example, electrolytically galvanized sheet steel, or also made of carbon steel, stainless steel or the like. The connector is preferably designed as a straight connector. Alternatively, however, it can also be designed as a corner bracket.

In den Unteransprüchen sind weitere vorteilhafte Ausgestaltungen der Erfindung angegeben.Further advantageous refinements of the invention are specified in the dependent claims.

Die Erfindung ist in den Zeichnungen beispielhaft und schematisch dargestellt. Im Einzelnen zeigen:

Figur 1:
eine perspektivische Ansicht einer ersten Variante des Steckverbinders,
Figur 2:
eine abgebrochene und perspektivische Detailansicht eines Seitenwandbereichs des Steckverbinders von Figur 1,
Figur 3 und 4:
eine Seitenansicht und eine geklappte Stirnansicht des Steckverbinders von Figur 1,
Figur 5:
eine Draufsicht des Steckverbinders von Figur 1,
Figur 6
eine abgebrochene und vergrößerte Seitenansicht des Steckverbinders von Figur 1,
Figur 7, 8 und 9:
abgebrochene und vergrößerte Darstellungen von Details VII, VIII und IX von Figur 5,
Figur 10:
eine perspektivische Ansicht eines Hohlprofilendes mit einem eingesteckten Steckverbinder,
Figur 11:
eine Stirnansicht des Hohlprofils mit eingestecktem Steckverbinder.
Figur 12 bis 15:
eine zweite Variante des Steckverbinders in verschiedenen Ansichten,
Figur 16 bis 18:
eine dritte Variante des Steckverbinders in verschiedenen Ansichten,
Figur 19 bis 22:
eine vierte Variante des Steckverbinders in verschiedenen Ansichten und
Figur 23 bis 25:
eine fünfte Variante des Steckverbinders in verschiedenen Ansichten.
The invention is shown by way of example and schematically in the drawings. Show in detail:
Figure 1:
a perspective view of a first variant of the connector,
Figure 2:
a broken and perspective detail view of a side wall portion of the connector of figure 1 ,
Figure 3 and 4:
a side view and a folded end view of the connector of figure 1 ,
Figure 5:
a top view of the connector of FIG figure 1 ,
figure 6
a broken and enlarged side view of the connector of FIG figure 1 ,
Figure 7, 8 and 9:
broken and enlarged representations of details VII, VIII and IX of figure 5 ,
Figure 10:
a perspective view of a hollow profile end with an inserted connector,
Figure 11:
an end view of the hollow profile with inserted connector.
Figure 12 to 15:
a second variant of the connector in different views,
Figure 16 to 18:
a third variant of the connector in different views,
Figure 19 to 22:
a fourth variant of the connector in different views and
Figure 23 to 25:
a fifth variant of the connector in different views.

Die Erfindung betrifft einen Steckverbinder (1) und dessen Herstellungsverfahren. Die Erfindung betrifft ferner eine Steckverbindung (31) aus einem Hohlprofil (32) und einem eingesteckten Steckverbinder (1).The invention relates to a connector (1) and its manufacturing method. The invention also relates to a plug connection (31) made from a hollow profile (32) and an inserted plug connector (1).

Figur 1 bis 9 zeigen den Steckverbinder (1) in verschiedenen Ansichten. In Figur 10 und 11 ist einseitig die Einsteckstellung des Steckverbinders (1) in ein Ende eines Hohlprofils (32) dargestellt. Figur 12 bis 25 zeigen vier weitere Varianten des Steckverbinders (1). Figure 1 to 9 show the connector (1) in different views. In Figure 10 and 11 the plug-in position of the connector (1) is shown on one side in one end of a hollow profile (32). Figure 12 to 25 show four other variants of the connector (1).

Der Steckverbinder (1) ist in den gezeigten Ausführungsformen als Geradverbinder ausgebildet. Alternativ kann er als Eckwinkel ausgestaltet sein. Der Steckverbinder (1) besitzt eine Mitte (22) und hiervon in verschiedenen Richtungen abstehende Verbinderschenkel. Bei dem gezeigten Geradverbinder fluchten die Verbinderschenkel. Bei einem Eckwinkel schließen sie einen von 180° abweichenden Winkel von z.B. 90° ein. Der Steckverbinder (1) hat außerdem eine Längsachse (23), die sich entlang seiner Schenkel und quer zur Mitte bzw. Mittenlinie (22) erstreckt.In the embodiments shown, the connector (1) is designed as a straight connector. Alternatively, it can be designed as a corner bracket. The connector (1) has a center (22) and connector legs protruding therefrom in different directions. In the case of the straight connector shown, the connector legs are aligned. With a corner angle, they enclose an angle that deviates from 180°, e.g. 90°. The connector (1) also has a longitudinal axis (23) extending along its legs and transverse to the center or centerline (22).

Der Steckverbinder (1) hat in den gezeigten Ausführungsbeispielen einen Boden (2) mit randseitigen Seitenwänden (3). In Einbaustellung des Steckverbinders bzw. in der Steckverbindung (31) weist der Boden (2) zum Profilboden (35) des oder der Hohlprofile (32) und zum Scheibeninnenraum der Isolierverglasung.In the exemplary embodiments shown, the connector (1) has a base (2) with side walls (3) on the edge. In the installed position of the connector or in the connector (31), the bottom (2) to Profile bottom (35) of the or the hollow profile (32) and the pane interior of the insulating glazing.

Die Seitenwände (3) schließen senkrecht oder bevorzugt leicht schräg nach außen abgewinkelt an den Längsrändern des Bodens (2) an und stehen in Gegenrichtung zum Hohlprofildach (36) ab. Der Boden (2) und die Seitenwände (3) umgeben einen inneren Hohlraum (5), der sich in Axialrichtung (22) bis zu den offenen Stirnseiten (26) des Steckverbinders (1) erstreckt. Der Hohlraum (5) ist frei und ermöglicht einen axialen Durchfluss des Trockenmittel-Granulats über die Stoßstelle der Hohlprofilenden (32). In den gezeigten Ausführungsformen hat der Steckverbinder (1) im Querschnitt im wesentlichen eine U-Form, die nach oben zum Hohlprofildach (36) und zur Außenseite der Isolierverglasung hin offen ist.The side walls (3) adjoin the longitudinal edges of the base (2) perpendicularly or preferably slightly angled outwards and protrude in the opposite direction to the hollow profile roof (36). The bottom (2) and the side walls (3) surround an inner cavity (5) which extends in the axial direction (22) to the open end faces (26) of the connector (1). The cavity (5) is free and allows the desiccant granules to flow axially over the joint of the ends of the hollow profile (32). In the embodiments shown, the plug connector (1) has a substantially U-shape in cross section, which is open at the top towards the hollow profile roof (36) and towards the outside of the insulating glazing.

In den gezeigten Ausführungsbeispielen ist der Steckverbinder (1) als Stanz- und Biegeteil aus einem metallischen Blech, insbesondere aus Stahlblech, ausgeführt. Das Metallblech, insbesondere Stahlband, ist bevorzugt verzinkt, z.B. elektrolytisch verzinkt. Die Seitenwände oder Seitenstege (3) werden bei der Herstellung aus einer Platine gestanzt und vom Boden (2) oder Mittelsteg abgebogen.In the exemplary embodiments shown, the connector (1) is designed as a stamped and bent part made from sheet metal, in particular sheet steel. The sheet metal, in particular steel strip, is preferably galvanized, e.g. electrolytically galvanized. The side walls or side bars (3) are punched out of a blank during production and bent off the base (2) or central bar.

Der bevorzugt rahmenförmige Abstandhalter der Isolierverglasung kann ein oder mehrere Hohlprofile (32) aufweisen. Er kann beispielsweise aus einem einzeln, mehrfach gebogenen Hohlprofil bestehen, dessen Hohlprofilenden beidseits auf die Schenkel des Steckverbinders (1) aufgesteckt werden. In einer anderen Ausführungsform kann der Abstandshalter(rahmen) von mehreren Hohlprofilstücken gebildet werden, die in entsprechender Weise über einen eingesteckten Steckverbinder (1) miteinander verbunden werden. Die Verbindungsstelle kann an einem geraden Abschnitt oder an einem Eckbereich des Abstandshalterrahmens angeordnet sein. Der Abstandshalter(rahmen) distanziert benachbarte Glasscheiben der Isolierverglasung.The preferably frame-shaped spacer of the insulating glazing can have one or more hollow profiles (32). It can consist, for example, of a single, multiple-bent hollow profile, the hollow profile ends of which are plugged onto the legs of the connector (1) on both sides. In another embodiment, the spacer (frame) can be formed by several hollow profile pieces, which are connected to one another in a corresponding manner via an inserted plug connector (1). The junction can be on a straight section or on be arranged in a corner region of the spacer frame. The spacer (frame) distances neighboring glass panes of the insulating glazing.

Figur 1 zeigt den Steckverbinder (1) in der ersten Variante in einer perspektivischen Darstellung und in Figur 3, 4 und 5 in geklappten Ansichten. figure 1 shows the connector (1) in the first variant in a perspective view and in Figure 3, 4 and 5 in folded views.

Der Steckverbinder (1) im Ausführungsbeispiel von Figur 1 bis 11 hat einen geschlossenen und bevorzugt ebenen Boden (2), an dessen Stirnseiten (26) Bodenzugen (28) angeordnet sind. Der Boden (2) hat keine Öffnungen und keine Rückhaltelemente. Er liegt gemäß der Stirnansicht von Figur 11 plan auf dem ebenfalls an der Innenseite ebenen Profilboden (35) auf.The connector (1) in the embodiment of Figure 1 to 11 has a closed and preferably level base (2) on whose end faces (26) base strips (28) are arranged. The bottom (2) has no openings and no retaining elements. He is according to the front view of figure 11 flat on the profile base (35), which is also flat on the inside.

Der Steckverbinder (1) weist am freien Rand (4) seiner Seitenwände (3) federnde Rückhalteelemente (6,7,8,9) auf, die von ihrer jeweiligen Seitenwand (3) abstehen und seitlich schräg nach außen gebogen sind. Diese Rückhalteelemente (6,7,8,9) sind als Federnasen ausgebildet, die von der Seitenwand (3) ausgehend jeweils zur Verbindermitte (22) gerichtet sind.The plug connector (1) has resilient retaining elements (6,7,8,9) on the free edge (4) of its side walls (3), which protrude from their respective side wall (3) and are bent laterally outwards at an angle. These retaining elements (6,7,8,9) are designed as spring lugs, which are each directed towards the center (22) of the connector, starting from the side wall (3).

Die beiden Seitenwände (3) weisen in der Längsrichtung (23) gesehen jeweils vor und hinter der Verbindermitte (22) eine Reihe von vier Rückhalteelementen (6,7,8,9) auf. Die Rückhalteelemente (6,7,8,9) sind beidseits der Längsachse (23) jeweils auf gleicher Höhe angeordnet und bilden miteinander jeweils eine Paarung. Die beiden Schenkel des Steckverbinders (1) haben jeweils vier solcher Paarungen. Die vier Reihen oder Gruppen von Rückhalteelementen (6,7,8,9) sind untereinander gleichartig ausgebildet.Viewed in the longitudinal direction (23), the two side walls (3) have a row of four retaining elements (6,7,8,9) in front of and behind the middle of the connector (22). The retaining elements (6,7,8,9) are arranged at the same height on both sides of the longitudinal axis (23) and each form a pair with one another. The two legs of the connector (1) each have four such pairings. The four rows or groups of retaining elements (6,7,8,9) are of the same design.

Die Rückhalteelemente (6,7,8,9) werden aus einer Platine mit einem abgewinkelten, L-förmigen Stanzschnitt aus dem freien Randbereich (4) der Seitenwände (3) freigeschnitten und anschließend nach außen gebogen. Hierbei bleibt ein an die Biegestelle (10) axial anschließender Wandansatz (17) der Seitenwand (3) stehen.The retaining elements (6,7,8,9) are cut free from a plate with an angled, L-shaped punch cut from the free edge area (4) of the side walls (3) and then bent outwards. Here, a wall extension (17) of the side wall (3) axially adjoining the bending point (10) remains.

Die Rückhalteelemente (6,7,8,9) weisen in der Seitenansicht gemäß Figur 3 und 6 gesehen jeweils eine gerade Unterkante (11) auf. Die Unterkante (11) verläuft parallel zum Boden (2) und zur Längsachse (23). Die Rückhalteelemente (6,7,8,9) haben auch eine gerade Oberkante (12), die ebenfalls parallel zum Boden (2) verläuft. Sie geht in die Oberkante des zugehörigen Wandansatzes (17) über. Die Lageangaben der Unterkante (11) und Oberkante (12) beziehen sich auf die Einbaustellung und den dabei unten liegenden Boden (2). Die Unterkante (11) ist näher am Boden (2) angeordnet als die Oberkante (12). Die Oberkante (12) befindet sich am freien Rand (4).The retaining elements (6,7,8,9) have in the side view according to figure 3 and 6 seen in each case a straight lower edge (11). The lower edge (11) runs parallel to the floor (2) and to the longitudinal axis (23). The retaining elements (6,7,8,9) also have a straight upper edge (12) which also runs parallel to the bottom (2). It merges into the upper edge of the associated wall extension (17). The positions of the lower edge (11) and upper edge (12) refer to the installation position and the floor (2) underneath. The lower edge (11) is arranged closer to the floor (2) than the upper edge (12). The top edge (12) is on the free edge (4).

An der freigeschnittenen Front weisen die Rückhalteelemente (6,7,8,9) eine gerade und aufrechte Vorderkante (13) auf, die sich parallel zur Hauptebene der Seitenwand (3) erstreckt. Die Vorderkante (13) ist im rechten Winkel zur Ober- und Unterkante (12,11) ausgerichtet und kann am jeweiligen Kantenübergang abgerundet sein. Die Rückhalteelemente (6,7,8,9) sind um eine rückwärtige Biegestelle oder Biegekante (10) aus der jeweiligen Seitenwand (3) seitlich abgebogen und ausgestellt. Die Biegelinie (10) verläuft parallel zur Vorderkante (13). Die Höhe der Rückhalteelemente (6,7,8,9) ist über ihre jeweilige Länge konstant.On the cut-out front, the retaining elements (6,7,8,9) have a straight and upright front edge (13) which extends parallel to the main plane of the side wall (3). The front edge (13) is aligned at right angles to the top and bottom edges (12,11) and can be rounded off at the respective edge transition. The retaining elements (6,7,8,9) are bent laterally around a rear bending point or bending edge (10) from the respective side wall (3) and are exhibited. The bending line (10) runs parallel to the front edge (13). The height of the retaining elements (6,7,8,9) is constant over their length.

Die Rückhalteelemente (6,7,8,9) haben in der Seitenansicht eine rechteckige Form, die von den Kanten (11,12,13) und der Biegelinie (10) begrenzt wird. Die Länge der Rückhalteelemente (6,7,8,9) entlang der Ober- und Unterkante (12,11) ist größer als die Höhe der Rückhalteelemente (6,7,8,9) entlang der Vorderkante (13) bzw. der Biegelinie (10). Die Länge kann z.B. um ein Drittel oder um die Hälfte größer als die Höhe sein. Der Unterschied der Länge gegenüber der Höhe kann alternativ noch größer sein.The retaining elements (6,7,8,9) have a rectangular shape in the side view, which is delimited by the edges (11,12,13) and the bending line (10). The length of the Retaining elements (6,7,8,9) along the upper and lower edge (12,11) is greater than the height of the retaining elements (6,7,8,9) along the front edge (13) or the bending line (10) . The length can, for example, be one third or one half greater than the height. Alternatively, the difference in length versus height may be even greater.

Die Flächengröße und die Kantenmaße der Rückhalteelemente (6,7,8,9) können gleich oder unterschiedlich sein. In den gezeigten Ausführungsbeispielen haben die den Stirnseiten (26) benachbarten Rückhalteelemente (6) gemäß Figur 6 jeweils eine kleinere Länge und eine größere Höhe als die anderen Rückhalteelemente (7,8,9). Deren Längen und Höhen sowie Flächengrößen können untereinander gleich oder nur geringfügig unterschiedlich sein.The area size and the edge dimensions of the retaining elements (6,7,8,9) can be the same or different. In the exemplary embodiments shown, the retaining elements (6) adjacent to the end faces (26) according to FIG figure 6 each have a smaller length and a greater height than the other retaining elements (7,8,9). Their lengths and heights as well as surface sizes can be the same as one another or only slightly different.

Die Rückhalteelemente (6,7,8,9) sind an ihrer Unterseite oder Unterkante (11) von ihrer jeweiligen Seitenwand (3) durch einen geraden axialen Trennschnitt (14) abgetrennt. Dies ist ein schmaler Trennschnitt. Seine Breite kann durch das erforderliche Stanz- oder Trennwerkzeug bestimmt sein. Der Trennschnitt (14) erstreckt sich parallel zum Boden (2) und zur Längsachse (23). Der Trennschnitt oder Freischnitt (14) reicht mit seinem einem Ende bis zur Biegelinie (10). Er hat hier eine scharfe Kante. Der gerade und schmale Trennschnitt (14) hat eine wesentlich geringere Weite als beim eingangs genannten Stand der Technik und hat auch nicht die vergrößerte und gerundete Öffnung am besagten Schnittende.The retaining elements (6,7,8,9) are separated from their respective side wall (3) on their underside or lower edge (11) by a straight axial separating cut (14). This is a narrow parting cut. Its width can be determined by the required punching or cutting tool. The separating cut (14) extends parallel to the base (2) and to the longitudinal axis (23). One end of the separating cut or free cut (14) extends to the bending line (10). He has a sharp edge here. The straight and narrow severing cut (14) has a much smaller width than in the prior art mentioned at the outset and also does not have the enlarged and rounded opening at the said end of the cut.

Die Seitenwand (3) weist im Anschluss an die Biegestelle (10) und die Rückhalteelemente (6,7,8,9) jeweils in Richtung zur benachbarten Stirnseite (26) den besagten Wandansatz (17) auf. Ferner weist die Seitenwand (3) vor der Vorderkante (13) der Rückhalteelemente (6,7,8,9) jeweils einen Freiraum (15) auf. Dieser Freiraum (15) besteht zwischen der Vorderkante (13) und dem aufrechten Rand des benachbarten Wandansatzes (17) des nächstfolgenden Rückhalteelements (7,8,9). Der aufrechte längliche Freiraum (15) ist quer zum Boden (2) ausgerichtet. Er ist breiter als der liegende Trennschnitt (14). Der Freiraum (15) weist an der Unterseite eine Auskehlung (16) in der Seitenwand (3) auf, die ein kleines Stück unter den Trennschnitt (14) reicht. Figur 3 und 6 verdeutlichen diese Ausbildung.Adjoining the bending point (10) and the retaining elements (6,7,8,9), the side wall (3) has said wall extension (17) in the direction of the adjacent end face (26). Furthermore, the side wall (3) has a free space (15) in front of the front edge (13) of the retaining elements (6,7,8,9). This space (15) consists between the front edge (13) and the upright edge of the adjacent wall extension (17) of the next retaining element (7,8,9). The upright elongated space (15) is oriented across the floor (2). It is wider than the horizontal separating cut (14). The free space (15) has a groove (16) in the side wall (3) on the underside, which extends a little below the separating cut (14). figure 3 and 6 clarify this training.

Wie Figur 5 in der Draufsicht verdeutlicht, weisen die beiden Seitenwände (3) beidseits der Verbindermitte (22) jeweils eine Reihe von mehreren, vorzugsweise vier, Rückhalteelementen (6,7,8,9) auf. Die vorerwähnten und einander gegenüberliegenden Paare von Rückhalteelementen (6,7,8,9) weisen jeweils eine Ausstellweite (w6,w7,w8,w9) auf. Die Ausstellweiten (w6,w7,w8,w9) sind unterschiedlich groß und nehmen jeweils von der Stirnseite (26) zur Verbindermitte (22) hin zu. Die Ausstellweiten beziehen sich jeweils auf die äußersten aufrechten Kanten bzw. Vorderkanten (13) der Rückhalteelemente (6,7,8,9) und dabei jeweils auf das obere und vom Boden (2) am weitesten distanzierte Ende.As figure 5 as illustrated in the plan view, the two side walls (3) each have a row of several, preferably four, retaining elements (6,7,8,9) on either side of the connector center (22). The above-mentioned pairs of retaining elements (6,7,8,9) lying opposite one another each have a deployment width (w6,w7,w8,w9). The projection widths (w6, w7, w8, w9) are of different sizes and each increase from the end face (26) to the middle of the connector (22). The extension widths relate to the outermost upright edges or front edges (13) of the retaining elements (6,7,8,9) and in each case to the upper end and the end furthest away from the floor (2).

Die zur Stirnseite (26) nächstliegende Paarung von Rückhalteelementen (6) hat die kleinste Ausstellweite (w6). Die folgenden Paare von Rückhalteelementen (7,8,9) haben jeweils eine größere Ausstellweite (w7,w8,w9). Der Größenunterschied zwischen der Ausstellweite (w6) und der nächstfolgenden Ausstellweite (w7) ist größer als der jeweilige Unterschied zwischen den Ausstellweiten (w7,w8,w9). Dieser erste Unterschied zwischen den Ausstellweiten (w6,w7) kann ca. 1 mm betragen. Zwischen den folgenden Ausstellweiten (w7,w8,w9) ist der Weitenunterschied wesentlich kleiner und beträgt ca. 0,1 mm. Die zur Verbindermitte (22) jeweils nächstliegende Ausstellweite (w9) ist die Größte.The pair of retaining elements (6) closest to the end face (26) has the smallest deployment width (w6). The following pairs of restraining elements (7,8,9) each have a larger deployment width (w7, w8, w9). The difference in size between the opening width (w6) and the following opening width (w7) is greater than the respective difference between the opening widths (w7,w8,w9). This first difference between the projection widths (w6,w7) can be approx. 1 mm. The difference in width between the following projection widths (w7,w8,w9) is much smaller and is approx. 0.1 mm. The opening width (w9) closest to the connector center (22) is the largest.

Wie Figur 3 und 6 in der Seitenansicht verdeutlichen, haben die beidseits der Verbindermitte (22) an den Seitenwänden (3) bzw. den Verbinderschenkeln angeordneten Rückhalteelemente (7,8,9) unterschiedliche Höhen (h1,h2) über dem Boden (2). Die Höhen (h1,h2) beziehen sich auf den Abstand der Unterkante des Bodens (2) von der Oberkante (12) der Rückhalteelemente (6,7,8,9).As figure 3 and 6 make clear in the side view, the retaining elements (7, 8, 9) arranged on both sides of the connector center (22) on the side walls (3) or the connector legs have different heights (h1, h2) above the floor (2). The heights (h1, h2) relate to the distance between the lower edge of the floor (2) and the upper edge (12) of the retaining elements (6,7,8,9).

In den gezeigten Ausführungsformen hat das jeweils an der Stirnseite (26) angeordnete Rückhalteelement (6) eine geringere Höhe (h1) als die weiteren in Axialrichtung zur Verbindermitte (22) hin folgenden Rückhalteelemente (7,8,9). Deren Höhe (h2) ist größer als die Höhe (h1). Außerdem sind die Trennschnitte (14) bzw. die Unterkanten (11) beim stirnseitigen Rückhalteelement (6) tiefer als bei den weiteren Rückhalteelemente (7,8,9) angeordnet.In the embodiments shown, the retaining element (6) arranged on the end face (26) has a lower height (h1) than the other retaining elements (7, 8, 9) following in the axial direction towards the center (22) of the connector. Their height (h2) is greater than the height (h1). In addition, the separating cuts (14) or the lower edges (11) are arranged lower on the front retaining element (6) than on the other retaining elements (7, 8, 9).

Die weiteren Rückhalteelemente (7,8,9) können untereinander eine gleiche Höhe (h2) aufweisen. Dabei liegen ihre geraden Oberkanten (12) und die ebenfalls geraden Oberkanten ihrer Wandansätze (17) sowie die Unterkanten (11) jeweils auf gleicher Höhe. Alternativ kann die Höhe der Rückhalteelemente (7) etwas kleiner sein und eine Zwischenhöhe darstellen. Der Unterschied zwischen den Höhen (h1) und (h2) kann z.B. ca. 0,3 mm betragen.The other retaining elements (7,8,9) can have the same height (h2) as one another. Their straight upper edges (12) and the likewise straight upper edges of their wall extensions (17) and the lower edges (11) are each at the same height. Alternatively, the height of the retaining elements (7) can be somewhat smaller and represent an intermediate height. The difference between the heights (h1) and (h2) can be about 0.3 mm, for example.

Wie Figur 1 bis 5 und die Detaildarstellung von Figur 7 verdeutlichen, können die Seitenwände (3) beidseits der Verbindermitte (22) jeweils eine Prägung (18) haben. An den beiden Verbinderschenkeln sind in mittensymmetrischer Anordnung vier gleichartige Prägungen (18) vorhanden. Die wannenartigen Prägungen (18) sind jeweils nach außen gerichtet und haben vorzugsweise eine längliche und aufrechte, quer zum Boden (2) gerichtete Form. Das Seitenwandmaterial baucht nach außen und kann im mittleren Bauchungsbereich eben oder leicht gewölbt sein.As Figure 1 to 5 and the detail of figure 7 illustrate, the side walls (3) on both sides of the connector center (22) can each have an embossing (18). Four identical embossings (18) are present on the two connector legs in a center-symmetrical arrangement. The trough-like embossings (18) are each directed outwards and preferably have an elongated and upright shape directed transversely to the base (2). The sidewall material bulges outwardly and may be flat or slightly curved in the central bulge area.

Die Prägungen (18) sind jeweils im Bereich eines Rückhalteelements angeordnet. Vorzugsweise befinden sie sich an dem zur Verbindermitte (22) nächstgelegenen Rückhalteelement (9). Die Prägungen (18) werden bei der Verbinderherstellung in die Platine vor dem Biegen und seitlichen Ausstellen des Rückhalteelements (9) eingebracht.The embossings (18) are each arranged in the area of a retaining element. They are preferably located on the retaining element (9) closest to the connector center (22). The embossing (18) is introduced into the circuit board during connector manufacture before the retaining element (9) is bent and laterally deployed.

Die Prägung (18) wird durch den Trennschnitt (14) unterbrochen. Die Prägung (18) weist jeweils einen Prägebereich (19) an der Seitenwand (3) und einen Prägebereich (20) an dem ausgestellten Rückhalteelement (9) auf. In Längsrichtung (23) gesehen sind durch die besagte Ausstellung die Prägebereiche (19,20) zueinander seitlich versetzt. Figur 2 verdeutlicht diese Ausbildung. Figur 7 zeigt die Prägung (18) mit Blickrichtung vom Boden (2) aus.The embossing (18) is interrupted by the separating cut (14). The embossing (18) has an embossing area (19) on the side wall (3) and an embossing area (20) on the deployed retaining element (9). Seen in the longitudinal direction (23), the embossed areas (19, 20) are laterally offset from one another as a result of the said exhibition. figure 2 explains this training. figure 7 shows the embossing (18) viewed from the bottom (2).

Der Steckverbinder (1) kann an den Seitenwänden (3) jeweils ein nach innen gerichtetes Sperrelement (21) aufweisen. Wie Figur 5 und 6 sowie das Detail von Figur 8 verdeutlichen, ist das Sperrelement (21) als schräg abgebogene und zum Hohlraum (5) gerichtete Sperrnase ausgebildet und ist an einem Wandansatz (17) nach einem Rückhalteelement (8) angeordnet.The connector (1) can have an inwardly directed blocking element (21) on each of the side walls (3). As figure 5 and 6 as well as the detail of figure 8 illustrate, the blocking element (21) is designed as a blocking lug bent at an angle and directed towards the cavity (5) and is arranged on a wall extension (17) after a retaining element (8).

An den Seitenwänden (3) ist jeweils ein Sperrelement (21) angeordnet. Die Sperrelemente (21) befinden sich an unterschiedlichen Schenkeln und sind diagonal zur Verbindermitte (22) versetzt angeordnet. Die Sperrelemente (21) verengen den Zugang in den Hohlraum (5) von oben her und verhindern ein gegenseitiges Eintauchen und Vernesten von Steckverbindern (1) in einer Lage übereinander.A blocking element (21) is arranged on each of the side walls (3). The locking elements (21) are located on different legs and are offset diagonally to the connector center (22). The blocking elements (21) narrow access to the cavity (5) from above and prevent plug connectors (1) from being immersed and nested in one layer on top of the other.

Die Bodenzungen (28) weisen jeweils eine Stabilisierung (29) auf. Die Stabilisierung (29) wirkt mechanisch und versteift den äußeren oder vorderen Zungenrand (30). Die Stabilisierung (29) kann z.B. als Verschränkung gemäß Figur 5 und 9 ausgebildet sein. Hierbei wird mittig und in Längsrichtung (23) ein Trennschnitt in den Zungenrand (30) eingebracht, wobei anschließend die entstandenen Zungenrandabschnitte zueinander verschränkt und entgegen gesetzt nach unten und oben gebogen werden.The bottom tongues (28) each have a stabilizer (29). The stabilization (29) acts mechanically and stiffens the outer or front tongue edge (30). The stabilization (29) can, for example, as an entanglement according to figure 5 and 9 be trained. A separating cut is made in the middle and in the longitudinal direction (23) in the edge of the tongue (30), with the resulting tongue edge sections then being interlaced with one another and bent upwards and downwards in opposite directions.

Der Steckverbinder (1) weist eine Mittenfindung (24) auf, die z.B. als Mittenanschlag mit festen und/oder federnden Anschlagelementen (25) für die aufsteckten Hohlprofilenden (32) ausgebildet ist. Hierfür gibt unterschiedliche Ausführungsvarianten.The connector (1) has a center finder (24), which is designed, for example, as a center stop with fixed and/or resilient stop elements (25) for the plugged-on hollow profile ends (32). There are different design variants for this.

In der gezeigten Ausführungsform sind die Anschlagelemente (25) an einer, vorzugsweise beiden Seitenwänden (3) angeordnet. Sie sind jeweils als paarweise gegeneinander gerichtete und seitlich nach außen ausgestellte Federnasen ausgebildet. Sie sind paarweise einander beidseits der Verbindermitte (22) gegenüber liegend angeordnet. Sie sind außerdem an ihren Vorderseiten voneinander axial distanziert. Die Anschlagelemente (25) sind z.B. am freien Randbereich (4) der Seitenwände (3) angeordnet. Sie können aus der jeweiligen Seitenwand freigeschnitten und schräg nach außen gebogen sein. Figur 2 und 3 zeigen die Details des Mittenanschlags (24) und seiner Anschlagelemente (25).In the embodiment shown, the stop elements (25) are arranged on one, preferably both, side walls (3). They are each designed as pairs of spring lugs that are directed towards one another and are laterally outwards. They are arranged in pairs opposite one another on both sides of the connector center (22). They are also axially spaced from each other at their fronts. The stop elements (25) are arranged, for example, on the free edge area (4) of the side walls (3). They can be cut out of the respective side wall and bent obliquely outwards. figure 2 and 3 show the details of the center stop (24) and its stop elements (25).

Ein am einen Verbinderschenkel aufgeschobenes Hohlprofilende (32) überfährt das erste elastisch ausweichende Anschlagelement (25) und schlägt jenseits der Mitte (22) an der Stirnseite des zweiten, entgegen gerichteten und als Stop wirkenden Anschlagelements (25) an. Das zweite von der Gegenseite aufgeschobene Hohlprofilende (32) schlägt dann stirnseitig am ersten Hohlprofilende (32) an. Die Stoßstelle der beiden Hohlprofilenden (32) befindet sich im Bereich der Mitte (22) des Steckverbinders (1) und wird zumindest im Bodenbereich von dem plattenartigen Boden (2) überdeckt und abgedichtet.A hollow profile end (32) pushed onto one connector leg runs over the first elastically yielding stop element (25) and strikes beyond the center (22) on the end face of the second stop element (25) directed in the opposite direction and acting as a stop. The second end (32) of the hollow section pushed on from the opposite side then strikes the first end (32) of the hollow section at the front. The meeting point of the two The ends (32) of the hollow profile are located in the area of the center (22) of the connector (1) and are covered and sealed by the plate-like base (2) at least in the base area.

In einer anderen Ausführungsform des Mittenanschlags (24) kann eine Federnase mit einem jenseits der Mitte (22) gegenüberliegenden Festanschlag kombiniert werden. Ferner ist es möglich, reine Festanschläge, insbesondere Festanschläge in Rampen- oder Keilform, einzusetzen. Diese können z.B. einseitig und diagonal über die Mitte versetzt an den Seitenwänden (3) angeordnet sein. Außerdem sind feste Minianschläge in Dreiecks- oder Rippenform möglich. In weiterer Abwandlung kann eine Mittenfindung (24) auch in anderer Weise ausgebildet und ferner auch an anderer Stelle des Steckverbinders (1) angeordnet sein. Bei einem Eckwinkel ist der Eckbereich zur Anschlagbildung für die aufgesteckten Hohlprofile (32) entsprechend verbreitert und verstärkt.In another embodiment of the center stop (24), a spring nose can be combined with a fixed stop located opposite the center (22). Furthermore, it is possible to use purely fixed stops, in particular fixed stops in the form of ramps or wedges. These can be arranged e.g. on one side and offset diagonally across the middle on the side walls (3). Fixed mini stops in triangular or rib form are also possible. In a further modification, a center finder (24) can also be designed in a different way and can also be arranged at a different point on the connector (1). In the case of a corner bracket, the corner area is correspondingly widened and reinforced to form a stop for the plugged-on hollow profiles (32).

Figur 10 und 11 verdeutlichen die Steckverbindung (31) und die Ausgestaltung des oder der Hohlprofile (32). Das oder die Hohlprofile (32) sind vorzugsweise als Warm Edge-Hohlprofil ausgebildet. Sie bestehen zumindest teilweise aus einem Kunststoffbereich mit hoher Wärmeisolierung. Sie können außerdem einen Bereich aus einem anderen Material, insbesondere aus Metall, aufweisen. Der in das Profilende eingesteckte Steckverbinder (1), kommt vorzugsweise vor allem mit dem Kunststoffbereich in Kontakt. Figure 10 and 11 illustrate the plug connection (31) and the design of the hollow profile or profiles (32). The hollow profile or profiles (32) are preferably designed as a warm-edge hollow profile. They consist at least partially of a plastic area with high thermal insulation. They can also have an area made of a different material, in particular metal. The connector (1) inserted into the end of the profile preferably comes into contact primarily with the plastic area.

Das Hohlprofil (32) hat z.B. im Querschnitt im wesentlichen eine Rechteckform mit Profilboden (35), Profildach (36) und Seitenwänden. Der Profilboden (35) und der Boden (2) des Steckverbinders (1) weisen zur Innenseite des Abstandshalterrahmens und zum Scheibeninnenraum der Isolierverglasung. Die Querschnittsform des Steckverbinders (1) ist an diejenige des Hohlprofils (32) angepasst und bietet zusammen mit den Rückhalteelementen (6,7,8,9) in der Einsteckstellung einen festen Sitz.The hollow profile (32) has, for example, a substantially rectangular cross-section with a profile base (35), profile roof (36) and side walls. The profile base (35) and the base (2) of the connector (1) face the inside of the spacer frame and the pane interior of the insulating glazing. The cross-sectional shape of the connector (1) is that of the hollow profile (32) and together with the retaining elements (6,7,8,9) offers a firm seat in the inserted position.

In der gezeigten Ausführungsform ist das Hohlprofil (32) mehrteilig ausgebildet und besteht z.B. aus zwei Profilteilen (33,34). Das eine Profilteil (33) besteht aus Kunststoff und das andere Profilteil (34) aus Metall, insbesondere aus Edelstahl. Das Profilteil (33) ist z.B. wannenförmig ausgebildet und bildet den Unterteil des Hohlprofils (32). Das andere Profilteil (34) ist schalenförmig und deckelartig ausgebildet. Es besteht aus dem besagten Metall. Das aus Kunststoff bestehende Unterteil (33) bildet den Profilboden (35) und die Seitenwände des Hohlprofils (32). Das metallische Oberteil (34) bildet das Profildach (36) und übergreift die Öffnung des Unterteils (33) sowie den Hohlraum (5) des zum Dachbereich hin offenen Steckverbinders (1). Das Oberteil (34) kann klammerartig ausgebildet sein und kann auch einen Bereich der Seitenwände des Unterteils (33) übergreifen sowie mit einem Vorsprung in einer dortigen Vertiefung einschnappen und federnd aufgenommen werden.In the embodiment shown, the hollow profile (32) is designed in several parts and consists, for example, of two profile parts (33, 34). One profile part (33) is made of plastic and the other profile part (34) is made of metal, in particular stainless steel. The profile part (33) is e.g. trough-shaped and forms the lower part of the hollow profile (32). The other profile part (34) is shell-shaped and designed like a cover. It is made of said metal. The lower part (33) made of plastic forms the profile base (35) and the side walls of the hollow profile (32). The metallic upper part (34) forms the profile roof (36) and overlaps the opening of the lower part (33) and the cavity (5) of the connector (1), which is open towards the roof area. The upper part (34) can be designed like a clamp and can also overlap an area of the side walls of the lower part (33) and snap into a local recess with a projection and be received resiliently.

Wie Figur 11 verdeutlicht, liegt der geschlossene und z.B. ebene Boden (2) des Steckverbinders (1) plan auf dem ebenfalls ebenen Profilboden (35) und überbrückt die Verbindungsstelle der Hohlprofilenden (32). Ein granuliertes Trockenmittel kann durch den Hohlraum (5) und über die Verbindungsstelle hinweg fließen. Die Abdichtung gegen unerwünschten Granulatzufluss zur Verbindungsstelle erfolgt durch den vorgenannten Bodenkontakt und durch die seitlichen Ausprägungen (18). Diese liegen gemäß Figur 11 jeweils an den inneren Seitenwandbereichen des oder der Hohlprofile (32) an.As figure 11 clarified, the closed and, for example, flat bottom (2) of the connector (1) lies flat on the likewise flat profile base (35) and bridges the connection point of the hollow profile ends (32). A granulated desiccant is allowed to flow through the cavity (5) and across the joint. The sealing against undesired inflow of granules to the connection point takes place through the aforementioned ground contact and through the lateral embossings (18). These are according to figure 11 in each case on the inner side wall areas of the hollow profile or profiles (32).

Figur 12 bis 25 zeigen Varianten des geraden Steckverbinders (1). Sie stimmen weitgehend mit der ersten Variante von Figur 1 bis 11 überein, insbesondere hinsichtlich der Rechteckform der seitlichen Rückhalteelemente (6,7,7,9) mit gerader Unter- und Oberkante (11,12) sowie aufrechter Vorderkante (13). Die Änderungen werden nachfolgend erläutert. Figure 12 to 25 show variants of the straight connector (1). They largely agree with the first variant of Figure 1 to 11 match, in particular with regard to the rectangular shape of the lateral retaining elements (6,7,7,9) with a straight lower and upper edge (11,12) and an upright front edge (13). The changes are explained below.

Figur 12 bis 15 zeigen eine zweite Variante des geraden Steckverbinders (1) in perspektivischer Ansicht von Figur 12 und in Seitenansicht, Draufsicht und Stirnansicht von Figur 13 bis 15. Figure 12 to 15 show a second variant of the straight connector (1) in a perspective view of figure 12 and in side, plan and end views of Figure 13 to 15 .

Der Steckverbinder (1) der zweiten Variante unterscheidet sich von der ersten Variante durch die Anordnung von federnden Rückhalteelementen (37) am Boden (2). Diese sind als federnde Bodennasen ausgebildet, die aus dem Boden (2) freigeschnitten und abgebogen sind. Die Rückhalteelemente (37) sind jeweils schräg nach außen gerichtet und weisen zur Verbindermitte (22). Die Rückhalteelemente (37) können dadurch mit dem Profilboden (35) in Eingriff kommen und sich hier verkrallen. Am Boden (2) des Steckverbinders (1) ist beidseits der Verbindermitte (22) jeweils mind. ein Rückhalteelement (37) angeordnet. Im gezeigten Ausführungsbeispiel sind es beidseits jeweils zwei Rückhalteelemente (37).The connector (1) of the second variant differs from the first variant in the arrangement of resilient retaining elements (37) on the base (2). These are designed as resilient bottom lugs, which are cut out of the bottom (2) and bent. The retaining elements (37) are each directed obliquely outwards and point towards the center of the connector (22). The retaining elements (37) can thereby engage with the profile base (35) and claw here. At least one retaining element (37) is arranged on each side of the center (22) of the connector on the bottom (2) of the connector (1). In the exemplary embodiment shown, there are two retaining elements (37) on each side.

Die Rückhalteelemente (37) haben gesehen in Axialrichtung (23) eine kurze Länge. Ihre Länge ist kürzer als ihre Breite, insbesondere ihre Breite am freien Stirnrand (38). Die Rückhalteelemente oder Bodennasen (37) können in der Draufsicht eine konische Form haben, die sich zum freien Stirnrand (38) hin verbreitert. Die Übergangsstelle bzw. Biegestelle am Boden (2) ist schmaler als der freie Stirnrand (38).The retaining elements (37) have a short length as seen in the axial direction (23). Its length is shorter than its width, in particular its width at the free end edge (38). The retaining elements or bottom lugs (37) can have a conical shape when viewed from above, which widens toward the free end edge (38). The transition point or bending point on the floor (2) is narrower than the free end edge (38).

Bei der zweiten Variante von Figur 12 bis 15 fehlen die Sperrelemente (21) der ersten Variante. Sie können alternativ vorhanden sein. Die Prägungen (18) der ersten Variante sind in geänderter Form vorhanden. Sie reichen nur bis zum Trennschnitt (14) und erstrecken sich nicht bis in das seitliche Rückhalteelement (9).In the second variant of Figure 12 to 15 the locking elements (21) of the first variant are missing. Alternatively, they may be present. The embossing (18) of the first variant is present in a modified form. They only reach as far as the separating cut (14) and do not extend into the lateral retaining element (9).

Figur 16 bis 18 verdeutlichen eine dritte Variante des geraden Steckverbinders (1) in Draufsicht und Seitenansicht von Figur 16 und 17 und in perspektivischer Ansicht von Figur 18. Figure 16 to 18 illustrate a third variant of the straight connector (1) in top view and side view of Figure 16 and 17 and in perspective view from figure 18 .

Der hier gezeigte Steckverbinder (1) hat wieder einen geschlossenen Boden (2). Im Boden (2) befindet sich eine zentrale und in Längsrichtung (23) verlaufende Rinne (41). Im Rinnenbereich ist der Boden (2) nach innen zum Hohlraum (5) gewölbt. In der Rinne (41) kann z.B. eine zentrale Reihe von Perforationen im Profilboden (35) aufgenommen werden. Beidseits der Rinne (41) sind sickenartige Vertiefungen (40) angeordnet, die ebenfalls in Längsrichtung (23) verlaufen. Sie sind kürzer als die Verbinderlänge und befinden sich im Bereich der Verbindermitte (22). Die axialen Rinnen (41) können eine Versteifung des Bodens (2) im mittleren Bereich bewirken. Der Steckverbinder (1) kann dadurch im eingesteckten Zustand Biegekräfte und Biegemomente besser aufnehmen, die beim Handhaben des vom Hohlprofil (32) gebildeten Abstandshalterrahmens auftreten können.The connector shown here (1) again has a closed bottom (2). In the floor (2) there is a central channel (41) running in the longitudinal direction (23). In the channel area, the base (2) curves inwards towards the cavity (5). For example, a central row of perforations in the profile base (35) can be accommodated in the channel (41). Bead-like depressions (40) are arranged on both sides of the channel (41) and also run in the longitudinal direction (23). They are shorter than the connector length and are located in the middle of the connector (22). The axial grooves (41) can bring about a stiffening of the floor (2) in the middle area. The plug connector (1), when plugged in, can thus better absorb bending forces and bending moments that can occur when handling the spacer frame formed by the hollow profile (32).

Figur 17 verdeutlicht in der Seitenansicht die Gestaltung der Rückhalteelemente (6,7,8,9) am freien Rand (4) der Seitenwände (3). Diese Gestaltung ist in den Varianten (1,2,3) die gleiche. Die Rückhalteelemente (6,7,8,9) haben in Übereinstimmung mit Figur 5 und 6 die besagte Höhe (h1,h2) und die besagten Ausstellweiten (w6,w7,w8,w9). Aus Figur 17 ist außerdem ersichtlich, dass die Länge der aufrechten Vorderkanten (13) der Rückhalteelemente (6,7,8,9) jeweils im wesentlichen gleich groß ist. Die Vorderkantenlänge der federnden Anschlagnasen (25) der Mittenfindung (24) kann ebenfalls die gleiche Größe haben. figure 17 shows the design of the retaining elements (6,7,8,9) on the free edge (4) of the side walls (3) in a side view. This design is the same in variants (1,2,3). The retaining elements (6,7,8,9) have in accordance with figure 5 and 6 the said height (h1,h2) and the said opening widths (w6,w7,w8,w9). Out of figure 17 it can also be seen that the length of the upstanding leading edges (13) of the retaining elements (6,7,8,9) is essentially the same size. The front edge length of the resilient stop lugs (25) of the center finder (24) can also have the same size.

Bei der dritten Variante fehlen die Prägungen (18) und die Sperrelemente (21) der ersten Variante. Sie können alternativ vorhanden sein.In the third variant, the embossing (18) and the locking elements (21) of the first variant are missing. Alternatively, they may be present.

Figur 19 bis 22 verdeutlichen eine vierte Variante des geraden Steckverbinders (1) in einer Seitenansicht und einer geklappten Draufsicht von Figur 19 und 20. Figur 21 zeigt eine abgebrochene und vergrößerte Darstellung des Details XXI von Figur 19. Figur 22 ist eine perspektivische Darstellung des Steckverbinders (1). Figure 19 to 22 illustrate a fourth variant of the straight connector (1) in a side view and a folded top view of Figure 19 and 20 . figure 21 shows a broken and enlarged representation of the detail XXI of figure 19 . figure 22 is a perspective view of the connector (1).

In der vierten Variante weist der Boden (2) beidseits der Verbindermitte (22) jeweils zwei federnde Rückhalteelemente (37) der vorbeschriebenen Art auf. Die Rückhalteelemente (38) haben hierbei eine etwas größere Länge als bei der zweiten Variante.In the fourth variant, the base (2) has two resilient retaining elements (37) of the type described above on both sides of the connector center (22). The retaining elements (38) are slightly longer than in the second variant.

Bei der vierten Variante weist der Boden (2) in Abänderung gegenüber der ersten Variante eine nach außen gerichtete Erhebung (39) auf. Sie geht über die Länge des Steckverbinders (1) durch und befindet sich in deren zentralen Bereich. Sie bildet einen nach außen abstehenden, rechteckigen Sockel am Boden (2), der an den Rändern wieder zurückspringt. Die Bodennasen (37) sind an der Erhebung (39) angeordnet.In the fourth variant, in contrast to the first variant, the base (2) has an outwardly directed elevation (39). It runs the length of the connector (1) and is located in its central area. It forms an outwardly protruding, rectangular base on the floor (2), which springs back again at the edges. The bottom lugs (37) are arranged on the elevation (39).

Die seitlichen Rückhalteelemente (6,7,8,9) am freien Rand (4) der Seitenwände (3) haben bei der vierten Variante wieder die prinzipiell gleiche Rechteckform wie in den ersten drei Varianten. Ein Unterschied besteht in der Länge der aufrechten Vorderkanten (13). Die der Verbindermitte (22) nächstgelegenen Rückhalteelemente (9) haben jeweils eine kleinere Länge (19) der Vorderkante (13) als die Vorderkantenlängen (18,17,15) der in Richtung zur Stirnseite (26) folgenden Rückhalteelemente (8,7,6). Die Oberkanten (12) der Rückhalteelemente (7,8,9) befinden sich dabei entsprechend Figur 6 jeweils auf gleicher Höhe (h2). Die verkürzte Vorderkantenlänge (19) bewirkt, dass am Rückhalteelement (9) die Seitenwand (3) vom Boden (2) bis zur Unterkante (11) bzw. zum Trennschnitt (14) eine größere Steghöhe als bei den anderen Rückhalteelementen (6,7,8) hat. Durch die größere Steghöhe wird der Steckverbinder (1) im Bereich nahe der Verbindermitte (22) versteift. Durch die verkürzte Vorderkantenlänge (19) und die entsprechend kürzere Biegestelle (10) ist das Rückhalteelement (9) biegeweicher als die anderen Rückhalteelemente (6,7,8).In the fourth variant, the lateral retaining elements (6,7,8,9) on the free edge (4) of the side walls (3) have in principle the same rectangular shape as in the first three variants. One difference is the length of the upstanding front edges (13). The retaining elements (9) closest to the connector center (22) each have a smaller leading edge length (19). (13) as the front edge lengths (18,17,15) of the retaining elements (8,7,6) following in the direction of the end face (26). The upper edges (12) of the retaining elements (7,8,9) are located accordingly figure 6 each at the same height (h2). The shortened front edge length (19) causes the side wall (3) on the retaining element (9) to have a greater web height from the base (2) to the lower edge (11) or to the separating cut (14) than in the other retaining elements (6,7, 8) has. The connector (1) is stiffened in the area near the center of the connector (22) due to the greater web height. Due to the shortened front edge length (19) and the correspondingly shorter bending point (10), the retaining element (9) is more flexible than the other retaining elements (6,7,8).

Bei der vierten Variante ist außerdem die Vorderkantenlänge (19) im Wesentlichen gleich groß wie die Vorderkantenlänge der federnden Anschlagnasen (25) an der Mittenfindung (24).In the fourth variant, the length of the front edge (19) is essentially the same as the length of the front edge of the resilient stop lugs (25) on the center location (24).

Figur 20 verdeutlicht eine weitere Abänderung der vierten Variante. Die seitliche Ausstellweite (w9) der zum Verbindermitte nächstgelegenen seitlichen Rückhalteelemente (9) und die Ausstellweite (wm) der federnden Anschlagnasen (25) können gleich groß sein. Die Ausstellweite (wm) der Anschlagnasen (25) kann auch kleiner als die Ausstellweite (w9) sein. Die anderen Ausstellweiten (w6,w7,w8) sind in der Größe entsprechend der ersten Variante und Figur 5 abgestuft. Sie sind der Übersichtlichkeitshalber bei der vierten Variante nicht dargestellt. figure 20 illustrates another modification of the fourth variant. The lateral deployment width (w9) of the lateral retaining elements (9) closest to the center of the connector and the deployment width (wm) of the resilient stop lugs (25) can be the same. The deployment width (wm) of the stop lugs (25) can also be smaller than the deployment width (w9). The other opening widths (w6,w7,w8) are sized according to the first variant and figure 5 graded. For the sake of clarity, they are not shown in the fourth variant.

Die Prägungen (18) und die Sperrelemente (21) der ersten Variante fehlen bei der vierten Variante. Sie können alternativ vorhanden sein.The embossing (18) and the locking elements (21) of the first variant are missing in the fourth variant. Alternatively, they may be present.

Figur 23 bis 25 verdeutlichen eine fünfte Variante des Steckverbinders. Figur 24 zeigt eine Unteransicht. Figur 23 zeigen eine perspektivische Unteransicht des Steckverbinders (1) und Figur 25 eine perspektivische Draufsicht in den offenen Hohlraum. Figure 23 to 25 illustrate a fifth variant of the connector. figure 24 shows a bottom view. figure 23 show a perspective bottom view of the connector (1) and figure 25 a top perspective view of the open cavity.

Der Steckverbinder (1) hat am Boden (2) bei der fünften Variante wieder eine zentrale Erhebung (39), die einen nach außen vom Boden (2) abstehenden und in der Kontur im Wesentlichen rechteckigen Sockel bildet. Ferner sind am Boden (2) beidseits der Verbindermitte (22) jeweils ein Rückhalteelement (37) und eine weitere Erhebung in Form eines querliegenden Riegels (42) angeordnet. Der Riegel (42) ist jeweils der Stirnseite (26) benachbart, wobei sich das Rückhalteelement (37) zwischen dem Riegel (42) und der zentralen Erhebung (39) befindet. Die zentrale Erhebung (39) und die Riegel (42) können in der Mitte eine Vertiefung oder Aussparung aufweisen. Hier kann eine zentrale Reihe von Perforationen am Profilboden (35) aufgenommen werden. Der freie Stirnrand der Rückhalteelemente (37) kann ebenfalls eine solche Ausnehmung aufweisen.In the fifth variant, the connector (1) again has a central elevation (39) on the base (2), which forms a base that protrudes outwards from the base (2) and has a substantially rectangular contour. Furthermore, a retaining element (37) and a further elevation in the form of a transverse bar (42) are arranged on the floor (2) on both sides of the connector center (22). The bolt (42) is adjacent to the end face (26) in each case, with the retaining element (37) being located between the bolt (42) and the central elevation (39). The central elevation (39) and the bars (42) can have a depression or recess in the middle. A central row of perforations on the profile base (35) can be accommodated here. The free end edge of the retaining elements (37) can also have such a recess.

Die Prägungen (18) und die Sperrelemente (21) der ersten Variante fehlen bei der fünften Variante. Sie können alternativ vorhanden sein.The embossing (18) and the locking elements (21) of the first variant are missing in the fifth variant. Alternatively, they may be present.

Abwandlungen der gezeigten und beschriebenen Ausführungsformen sind in verschiedener Weise möglich. Insbesondere können die Merkmale der Ausführungsbeispiele und der genannten Abwandlungen beliebig miteinander kombiniert, insbesondere auch vertauscht werden.Modifications to the embodiments shown and described are possible in various ways. In particular, the features of the exemplary embodiments and the modifications mentioned can be combined with one another as desired, and in particular can also be interchanged.

Die Gestaltung der Außenfläche des Verbinderbodens (2) und der Innenfläche des Profilbodens (35) kann aneinander angepasst sein. Hier kann statt der gezeigten ebenen Formgebung die in den anderen Varianten gezeigte angepasste, insbesondere komplementäre, Konturierung mit Bergen und Tälern vorhanden sein. Variabel sind auch die Zahl der Rückhalteelemente (6,7,8,9) an den Verbinderschenkeln bzw. in den Reihenanordnungen an den Seitenwänden (3) beidseits der Verbindermitte (22). Variabel können auch die Verhältnisse zwischen den Ausstellweiten (w6,w7,w8,w9) und den Höhen (h1,h2) sein. Die Steckverbindung (31) und das Hohlprofil (32) können ebenfalls abgewandelt werden. Es kann eine andere Querschnittsform und ein anderes Material aufweisen, z.B. eine Leichtmetalllegierung, Stahl, Edelstahl oder dgl.. Es kann z.B. als Strangpressprofil oder gerolltes Profil hergestellt werden.The design of the outer surface of the connector base (2) and the inner surface of the profile base (35) can be adapted to one another. Here, instead of the planar shape shown, the one shown in the other variants adapted, in particular complementary, contouring with peaks and valleys may be present. The number of retaining elements (6,7,8,9) on the connector legs or in the row arrangements on the side walls (3) on both sides of the connector center (22) is also variable. The ratios between the projection widths (w6,w7,w8,w9) and the heights (h1,h2) can also be variable. The plug connection (31) and the hollow profile (32) can also be modified. It can have a different cross-sectional shape and a different material, for example a light metal alloy, steel, stainless steel or the like. It can be produced, for example, as an extruded profile or rolled profile.

BEZUGSZEICHENLISTEREFERENCE LIST

11
Steckverbinderconnector
22
Bodenfloor
33
Seitenwand, Seitenstegside wall, side bar
44
freier Randfree edge
55
Hohlraumcavity
66
Rückhalteelement, Rückhaltenaseretaining element, retaining nose
77
Rückhalteelement, Rückhaltenaseretaining element, retaining nose
88th
Rückhalteelement, Rückhaltenaseretaining element, retaining nose
99
Rückhalteelement, Rückhaltenaseretaining element, retaining nose
1010
Biegestellebending point
1111
Unterkantebottom edge
1212
Oberkantetop edge
1313
Vorderkanteleading edge
1414
Trennschnitt, FreischnittSeparation cut, free cut
1515
Freiraumfree space
1616
Auskehlunggroove
1717
Wandansatzwall approach
1818
Prägungembossing
1919
Prägebereich an SeitenwandEmbossing area on side wall
2020
Prägebereich an RückhalteelementEmbossing area on retaining element
2121
Sperrelement, Sperrnaselocking element, locking lug
2222
Verbindermitteconnector center
2323
Längsachselongitudinal axis
2424
Mittenfindung, MittenanschlagCenter finding, center stop
2525
Anschlagnasestop nose
2626
Stirnseiteface
2727
Anlaufschrägeleading edge
2828
Bodenzungeground tongue
2929
Stabilisierung, Verschränkungstabilization, entanglement
3030
Zungenrandedge of tongue
3131
Steckverbindungconnector
3232
Hohlprofilhollow profile
3333
Profilteil, Unterteilprofile part, bottom part
3434
Profilteil, Oberteilprofile part, upper part
3535
Profilbodenprofile bottom
3636
Profildachprofile roof
3737
Rückhalteelement, BodennaseRetaining element, bottom nose
3838
freier Stirnrandfree front edge
3939
Erhebungelevation
4040
Vertiefungdeepening
4141
Rinnegutter
4242
Riegelbars
ww
Ausstellweite Paarung RückhalteelementeExhibition-wide pairing of retaining elements
hH
Höhe RückhalteelementHeight retaining element
11
Länge Vorderkante RückhalteelementeLength of front edge retaining elements

Claims (15)

  1. Straight plug connector, for hollow profiles (23), in particular warm edge hollow profiles, of spacers of insulating glazing, wherein the plug connector (1) has a substantially U-shaped cross section with open end faces (26) and a bottom (2) that faces towards the pane interior in the installed position, and peripheral side walls (3) and a centre locator (24), wherein laterally turned-out, resilient retaining elements (6, 7, 8, 9) are arranged at the free periphery (4) of the side walls (3), characterized in that the retaining elements (6, 7, 8, 9) have a rectangular shape and a straight bottom edge (11) in side view.
  2. Plug connector according to Claim 1, characterized in that the retaining elements (6, 7, 8, 9) have a straight and upright front edge (13) which extends parallel to the main plane of the side wall (3), wherein the lower edge (11) extends parallel to the bottom (2).
  3. Plug connector according to either of the preceding claims, characterized in that the side wall (3) has a free space (15) in front of the front edge (13) of each of the retaining elements (6, 7, 8, 9), wherein the free space (15) has, on its underside, a groove (16) that passes under the separation cut (14) .
  4. Plug connector according to one of the preceding claims, characterized in that the pairs of retaining elements (6, 7, 8, 9) that are located opposite one another on both sides of the central longitudinal axis (23) of the plug connector (1) have different turn-out widths (w6, w7, w8, w9), which each increase from the end face (26) to the connector centre (22).
  5. Plug connector according to one of the preceding claims, characterized in that the retaining elements (6, 7, 8, 9) arranged on the side walls (3) on both sides of the connector centre (22) have different heights (h1, h2) above the bottom (2).
  6. Plug connector according to one of the preceding claims, characterized in that the retaining element (9) located in each case closest to the connector centre (22) has a shorter length (19) of its front edge (13) than the other retaining elements (6, 7, 8) that follow in the direction of the end face (26) .
  7. Plug connector according to one of the preceding claims, characterized in that the side walls (3) each have, on both sides of the connector centre (22), an outwardly directed, preferably elongate and upright, impression (18).
  8. Plug connector according to one of the preceding claims, characterized in that an inwardly directed blocking element (21) is arranged on each of the side walls (3).
  9. Plug connector according to one of the preceding claims, characterized in that the plug connector (1) has, at each of the end faces (26), a bottom tongue (28) with a stabilizer (29), in particular an offset of the outer tongue edge (30).
  10. Plug connector according to one of the preceding claims, characterized in that the plug connector (1) has a closed bottom (2) or has, on the bottom (2), one or more resilient retaining elements (37) which are each directed obliquely outwards and face towards the connector centre (22).
  11. Plug connector according to one of the preceding claims, characterized in that the plug connector (1) is in the form of a stamped and bent part made from a metal sheet, in particular from galvanized steel strip.
  12. Plug connection of spacers of insulating glazing, wherein the plug connection (31) has a hollow profile (23) and a plugged-in plug connector (1), characterized in that the plug connector (1) is according to one of Claims 1 to 11.
  13. Plug connection according to Claim 12, characterized in that the hollow profile (32) is in the form of a warm edge hollow profile.
  14. Plug connection according to Claim 12 or 13, characterized in that the bottom (2) of the plug connector (1) is arranged on the profile bottom (35) of the hollow profile (32), which faces towards the interior of the insulating glazing.
  15. Method for producing a straight plug connector (1) for hollow profiles (23), in particular warm edge hollow profiles, of spacers of insulating glazing, wherein the plug connector (1) has a substantially U-shaped cross section with open end faces (26) and a bottom (2) that faces towards the pane interior in the installed position, and peripheral side walls (3) and a centre locator (24), wherein laterally turned-out, resilient retaining elements (6, 7, 8, 9) are arranged at the free periphery (4) of the side walls (3), characterized in that the retaining elements (6, 7, 8, 9) are cut out of the respective side wall (3) at the free periphery (4) such that they have a rectangular shape and a straight lower edge (11) in side view.
EP18712517.4A 2017-03-08 2018-03-07 Plug connector and plug connection Active EP3592932B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202017101315.4U DE202017101315U1 (en) 2017-03-08 2017-03-08 Connector and connector
PCT/EP2018/055654 WO2018162584A1 (en) 2017-03-08 2018-03-07 Plug connector and plug connection

Publications (2)

Publication Number Publication Date
EP3592932A1 EP3592932A1 (en) 2020-01-15
EP3592932B1 true EP3592932B1 (en) 2022-09-14

Family

ID=61750077

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18712517.4A Active EP3592932B1 (en) 2017-03-08 2018-03-07 Plug connector and plug connection

Country Status (11)

Country Link
US (1) US11555347B2 (en)
EP (1) EP3592932B1 (en)
CN (1) CN110431282A (en)
DE (2) DE202017101315U1 (en)
DK (1) DK3592932T3 (en)
ES (1) ES2933509T3 (en)
HU (1) HUE060790T2 (en)
PL (1) PL3592932T3 (en)
RU (1) RU2765352C2 (en)
UA (1) UA127860C2 (en)
WO (1) WO2018162584A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014105547U1 (en) * 2014-11-19 2016-02-22 Max Kronenberg Connector and connector
PL244056B1 (en) 2019-03-29 2023-11-27 Grzywacz Cezary P P H U Plastmax Plug-in connector for connecting the ends of window profiles
PL244055B1 (en) 2019-03-29 2023-11-27 Grzywacz Cezary P P H U Plastmax Plug-in connector for connecting the ends of window profiles
DE202020102626U1 (en) 2020-05-11 2021-07-23 Ralf M. Kronenberg Acquisition module
DE202021102028U1 (en) 2021-04-15 2022-07-19 Ralf M. Kronenberg connector and plug connection
DE202022100100U1 (en) 2022-01-10 2023-04-19 Ralf M. Kronenberg connector

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US3643989A (en) 1969-10-29 1972-02-22 Erich Sattler Dowel for extruded sections of plastics material
DE3408600A1 (en) 1984-03-09 1985-09-12 Hans Joachim 5650 Solingen Kronenberg Connector for hollow profiles
EP1317601B1 (en) 2000-09-13 2004-08-04 Max Kronenberg Plug connector for hollow sections
DE202006009491U1 (en) 2006-06-14 2007-10-25 Kronenberg, Max Connectors
PL65674Y1 (en) 2009-08-10 2011-11-30 Halina Nasiadko Straight connector for glass units
DE202014104222U1 (en) 2014-09-08 2015-12-11 Max Kronenberg Connectors

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DE9411067U1 (en) 1994-07-07 1994-09-15 Kronenberg, Max, 42657 Solingen Connectors for hollow profiles
WO2005040538A1 (en) 2003-10-22 2005-05-06 Saint-Gobain Glass France Connection element for two ends of box-type hollow sections
DE202004013686U1 (en) * 2004-08-31 2006-01-05 Kronenberg, Max Connector for hollow profiles, especially in spacer frames or rails for double glazing, has transverse wall incorporating several clips in two groups which point in opposite directions and have different lateral spacings
CN101253303B (en) * 2005-08-01 2013-09-25 泰诺风玻璃隔热控股股份有限公司 Spacer arrangement with fusable connector for insulating glass units
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NL1036410C2 (en) * 2009-01-12 2010-07-13 Wavin Bv Push-fit pipe connector with improved gripping assembly.
DE102012106676A1 (en) * 2011-07-24 2013-01-24 Cera Handelsgesellschaft Mbh Connectors
DE202014105547U1 (en) * 2014-11-19 2016-02-22 Max Kronenberg Connector and connector
DE202015105061U1 (en) * 2015-09-24 2016-12-29 Ralf M. Kronenberg Connector and connector
US10184289B2 (en) * 2016-05-26 2019-01-22 Apogee Enterprises, Inc. Spacer key for hollow spacer sections
PL244055B1 (en) * 2019-03-29 2023-11-27 Grzywacz Cezary P P H U Plastmax Plug-in connector for connecting the ends of window profiles

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Publication number Priority date Publication date Assignee Title
US3643989A (en) 1969-10-29 1972-02-22 Erich Sattler Dowel for extruded sections of plastics material
DE3408600A1 (en) 1984-03-09 1985-09-12 Hans Joachim 5650 Solingen Kronenberg Connector for hollow profiles
EP1317601B1 (en) 2000-09-13 2004-08-04 Max Kronenberg Plug connector for hollow sections
DE202006009491U1 (en) 2006-06-14 2007-10-25 Kronenberg, Max Connectors
PL65674Y1 (en) 2009-08-10 2011-11-30 Halina Nasiadko Straight connector for glass units
DE202014104222U1 (en) 2014-09-08 2015-12-11 Max Kronenberg Connectors
WO2016038002A1 (en) 2014-09-08 2016-03-17 Kronenberg Ralf M Plug-in connector

Also Published As

Publication number Publication date
DK3592932T3 (en) 2022-12-12
DE102018105264A1 (en) 2018-09-13
WO2018162584A1 (en) 2018-09-13
ES2933509T3 (en) 2023-02-09
HUE060790T2 (en) 2023-04-28
CN110431282A (en) 2019-11-08
DE202017101315U1 (en) 2018-06-11
UA127860C2 (en) 2024-01-31
EP3592932A1 (en) 2020-01-15
US20210131166A1 (en) 2021-05-06
PL3592932T3 (en) 2023-01-23
RU2765352C2 (en) 2022-01-28
RU2019130842A3 (en) 2021-06-28
RU2019130842A (en) 2021-04-08
US11555347B2 (en) 2023-01-17

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