FI100730B - Coupling mechanism for spray structures - Google Patents

Abstract

The hollow profiled metal bar, esp. made of aluminium is for use in double-glazing, and has a lengthwise weld seam (12a). The seam is formed in a retracted portion of the profile, where it is concealed. There can also be a second retracted portion (8b) on the opposite side of the bar, and which is a mirror image of the first one (8). The bar can have two parallel sidewalls (6), and two other walls (7) at right angles to them with the retracted portions form ed in them and running centrally in the lengthwise direction.

Description

JOINT MECHANISM FOR SMALL GRID STRUCTURE

The invention relates to a connecting mechanism for a small lattice structure of the type 5 mentioned in the preamble of claim 1.

In insulating glazing, small ones are arranged between two glass sheets, eg in windows. The small ones consist of hollow profile bars which are assembled with cross-joints and connected to the spacer frames of the insulating glazing with connecting dowels. The small ones are either metallic or dyed, so the color of the small ones is most often matched to the color of the window frames.

Coupling mechanisms are used to connect the cross pin to the main pin, for example a connection mechanism of the type mentioned at the beginning, which is known from the German application DE 36 38 355 A1. In this known connecting mechanism, a fastening part is used, the dowel of which is a cylindrical adapter bore for a cylindrical connecting dowel, wherein the connecting dowel and the adapter bore are further provided with a longitudinal groove. When the dowel is inserted into the hole of the fastening part placed in the cross-section, there is a risk that the connecting part will protrude into the cross-support, which means that the desired shape-accurate connection of the cross-section to the main small by the connecting part is not guaranteed. Moreover, the connecting part 25 does not follow the inner wall of the cross-section corresponding to all its outer surfaces, because in the insertion direction the front end of the connecting part has laterally projecting cams which cause point contact between the connecting part and the cross-section.

The object of the present invention is to develop a fastening part of an introductory connecting mechanism so that the position of the fastening part in the cross-section is ensured and in addition it is guaranteed that the connecting part remains in its position in the cross-section permanently.

35 This task is solved by the features of claim 1. Preferred further embodiments of the invention are known from the subclaims.

In the following, the invention will be explained in more detail by means of the drawings, which show; 40, 100730 a

Fig. 1 is a diagram of an insulated glazed window seen from the front, Fig. 2 is a section along the line II-II in Fig. 1, Fig. 3 is a sectional view corresponding to Fig. 7 using the fastening part according to Fig. 10.

Figure 4 is an extract of a small structure according to the invention, in which hollow cross-sections connected directly at an angle and diagonally,

Figure 5 is a side view of the small structure of Figure 1;

Figure 6 shows the individual elements 10 of the structure according to Figure 4 before they are joined together,

Fig. 7 is a sectional view of a hollow main profile with a rectangular dowel inserted and a hollow profile to be attached thereto, with a fastening part for connecting two different profiles; Fig. 8 is a preferred embodiment of a connecting element according to the invention,

Fig. 9 is a cross-sectional view of the mounting portion of Fig. 8;

Figure 10 Parts of the element of Figure 4 prior to assembly 20

Figure 1 shows an insulated glazed window 1 and a small lattice structure arranged between it. However, the invention is not only directed to the small lattice structures of insulated glazed small windows, but directly to the small lattice structures of insulated glazing.

The insulating glazed window 1 generally comprises window frames 2, at least two spaced apart glass sheets 3 layered on the window frames 2 and glass sheets 3 kept apart by a desiccant-filled intermediate ceramics 4. Small spaces 5 are arranged in the space between the glass sheets 3. The small 5 are formed of hollow metal profile bars. 12a, and which are arranged crosswise. At the cross-points, the small 5 are connected to each other in a manner known per se by means of cross-joints (not shown). The connecting pins connect the small ones to the intermediate ceramics 4 in a manner known per se.

3,100730

The small ones 5 may be different in cross-section of the hollow profile. Shown is a common profile provided with side walls 6 running parallel to the glass panes 3 and edge walls 7 running transversely to the side walls 6. The edge walls 7 are narrower than the side walls 6, so it is advantageous to provide a trough-shaped transition area 6a between the walls 6 and 7.

It is essential that both edge walls 7, preferably in their longitudinal center, are profiled with a longitudinal pressure 8, 8b or a grooved recess 9, 9a.

The profile prints 8, 8b are of the same shape and arranged 15 as mirror images with respect to each other. The depth of each groove 9, 9a is e.g. 1/8 to 1/10 of the height of the profile (the distance between the edge walls 7). The width of the groove 9, 9a should be as small as possible, in any case at least so small that the bottom of the groove remains invisible from the outside. It is preferred that the side walls 8a of the groove 9, 20 9a are aligned.

The small or supports 5 are always cut to a suitable length from the hollow profile bar 11. The hollow profile bars 11 are formed of a relatively thin metal strip, e.g. aluminum, whereby the longitudinal edges 12 of the metal strips are bent against each other to form a closed tube 11a. The buffer edges, i.e. the longitudinal edges 12, are welded together so that a weld seam 12a is formed. The profiling itself forms a groove 9, 9a such that the weld seam 12a remains in the profile 5a and invisible. In order for the small 5 to look uniform, it is in accordance with a suitable embodiment of the invention to arrange so that the opposite pipe part 11a of the groove 9 with the weld seam is grooved in the same way and has a groove 9a.

Small 5 is - as already mentioned - preferably aluminum. The thickness of the small wall is about 0.4 to 0.6 mm. The small outer surface preferably has a color layer 6c or is anodized.

35 4 100730

Figure 4 shows an application example of a small construction comprising a metal sheet hollow profile 101 acting as a main support, two vertically arranged cross-small 102 and an obliquely arranged hollow profile 103. The small ones 101, 102 and 103 are made by a rolling method and shaped similarly. The rolling of the raw sheet metal, of which the profiles are made, is performed in such a way that on both sides of the long side of the profile a sieve, i.e. a fold 104, is formed inwards, which increases the stability of the profile. A special cross-sectional shape of the small 101, 102 and 10 103 is shown in Fig. 5, which shows the left half of the small structure in Fig. 4, i.e. the narrow side of both small 102 on the left in Fig. 4, which profiles as well as the small 103 are cut off by milling. 15 there is an upper and a lower part 105 and 105 'which surround the main small part 101 covering from the side. The representation selected in Fig. 5 shows the main small part 101 in cross section. It shows both lateral fetuses 104 arranged to run in a plane perpendicular to the plane of the drawing, showing 20 second planes of mirror symmetry of the small 101, 102 and 103. The second plane of mirror symmetry runs vertically with respect to the former through the wide side of each profile. The wide sides of the profile comprise two mutually extending back surfaces 106 and 106 'and two associated sloping surfaces 107 and 107' descending towards the narrow side of the profile 25, which are curved concave. The outline of the narrow sides of the profile also forms an internally rounded transition line 108 and 108 'from the oblique surface 107 and 107' to the struts 104 and 104 '.

The milling in the form of the connecting ends of the crosspieces 102 and 103 is selected so that the protruding part 109 and 109 'of the back surface of these small ones is placed in the butt on the buttocks 106 and 107' with respect to their associated oblique surfaces 107 and 107 '. The leading edge of the protruding part 35 109/109 'thus runs directly, namely vertically with respect to the longitudinal axis of the support. The protruding portion 109/109 'is associated with laterally retractable edges 110 which, in the superimposed cross-sections of the head support 101, abut the diagonal surfaces 107 and 107' extending concavely from their cutting edges.

5,100730

The oblique edges 110 extend at the connecting ends of the crosspieces to their narrow sides, which are cut directly so as to push into the narrow sides of the mainpiece 101.

5 Thus, when viewed in the region of the small connecting ends, their narrow sides have, in principle, a U-shaped profile, in which the prongs of the U have a curvature according to their shape milling. Viewed from the cross-sectional profiles on their wide sides, the profile at their connecting ends is substantially half-10.

The shape of the hollow profile support described above conveys an optical impression corresponding to the actual small. However, this format is not mandatory. In addition, all possible, substantially rectangular cross-sectional shapes can be used.

What is essential in the small construction in question is that a frame structure has been chosen which allows the wall of the hollow profile support to be formed substantially smaller than the hollow profile supports used in the small lattice structures to date. In particular, it allows the frame structure shown below to be able to use profiles whose wall thickness is always 10 times smaller than has hitherto been possible in small structures.

25

Figures 4 and 5 show one element of the frame structure, namely the connecting dowel 111. The connecting dowel pierces in the transverse direction the main smalls 101, the narrow sides of which are provided with passage openings 112, as shown in Figure 6, which is an exploded view of the small lattice structure of Figure 4. the connecting dowels 11 are inserted into the connecting elements 113, which are inserted into the connecting ends of the cross-sections as will be shown later.

As can be seen from Figures 6 to 9, the fastening part is a body, the shape of which, as best seen in the cross-sectional view of Figure 3, is adapted to the shape of the inner wall of the profile. Thus, the connecting elements 113 have hollow profiles with two flat opposing back surfaces 114 and 114 ', respectively, and an inclined surface 115 and 115' associated therewith on the sides, which are bent in a concave manner as the oblique surfaces 107 of the hollow profiles. In the embodiment shown in Fig. 3, the side surfaces 116 are arranged only roughly in the inner shape of the hollow profile 5, at these points having tines 107 and 107 'and roundings 108 and 108' which cross-section together with the center ticks resemble B. The side surfaces 116 do not have this detail of shape, so that the width of the mounting portion 113 from the side surface 116 to the side surface 116 10 corresponds approximately to the distance between the opposing tabs 104 in the hollow profile. Alternatively, it may be more advantageous to arrange the width of the fastening part 113 so large that it corresponds to the distance between the narrow walls of the hollow profile. In this case, the side walls 116 of the fastening part 113 are provided with recesses at the points adjacent to the lugs 104. This achieves a surface contact on all sides between the fastening part 113 and the inner walls of the respective hollow profile.

As can be seen from the cross-sectional view of the fastening part 113 shown in Fig. 9, a bore or hole 117 is formed in the center of the fastening part, which serves to receive the connecting dowel 111 and which is exactly like the cross-section of the connecting dowel. Most preferred is the cross-sectional shape shown in Fig. 9, namely the square shape of the bore 117 and the corresponding square shape of the connecting rod 111.

In order to obtain a tight fit to the connecting dowel 111 in the bore 117 of the fastening part 113, and at the same time a tight fit 30 to the fastening part 113 in the connecting end part of the hollow profile, the fastening part is best cultivated like a plastic guide surface. For this purpose, the fastening part 113 is provided in the longitudinal direction with a notch 118 running in the middle direction of the longitudinal axis 35 of the fastening part 113. The bottom of this notch 118 is in the front third of the adapter bore 117 for the dowel 111, which bore also runs along the longitudinal axis of the fastening part 113 and corresponds. about two-thirds the length of the fastener 113. That is, the adapter bore 117 is formed as a through hole 100730. In the insertion direction of the dowel, starting from its base at the front of the adapter bore 117, the notch opens in the opposite direction of the fastening part 113 at an angle α in the drawing, as can be seen from the left half-5 of Fig. 8. The right side of Fig. 8 shows the fastening part 113 fully inserted into a hollow profile, which is not shown for a better view, as is the dowel 111 inserted in the adapter bore 117. It shows that the adapter bore 117 in the freely cultivable state of the left half of Fig. 8 shows the right side of Fig. 8. close together state of the fixing portion 113 of the slot 118, at the side of the V-shaped Set to a fully closed, dowel 111 of the insertion constantly decreasing diameter. This has the effect, when the dowel is inserted, that the potential brushing force of the fastener 15 113 in the compressed state is supported in the slit region by the brushing force applied transversely to the bore walls in the slot insertion bore 117 by compression of the fastener in the notched groove. As a result, the fastening part 113 has an excellent compression fit in the respective hollow profile as well as an equally high-quality compression fit of the dowel 111 in the adapter bore 117.

As can be further seen from Fig. 8, the fastening part 113 is tapered in its input direction by an angle β at its front end. For this purpose, the obliquely extending side wall portions 120. This is preferably formed in the side walls 116 and the back surfaces 114 and possibly also in the oblique surfaces 115. These wedge-shaped portions at the front of the fastening part make it easy to insert, especially when bracing the fastening part 30.

In the insertion direction at its rear leading edge 121, the fastening portion 113 is similarly formed to be widened by inclined surfaces, namely surfaces 122 formed in complementarity with the oblique surfaces 120. This provides a special internal pressing contact of the fastening portion 113 at its outer end. Between the oblique surfaces 122 at the rear end of the mounting portion 113 and the oblique surfaces 120 8 100730 at the front end, there are also oblique wall portions 123 in the region of the side walls 116. These run at an angle γ which is half as large as the opening angle α of the notch 118, and these wall portions 123 in the mounting part 113 of the cross-sectional profile inserted parallel to the walls of the profile, as well as the plastic guide surface.

The modification of the connecting element 113 shown in Fig. 6 corresponds to the embodiment of the fastening part of Fig. 8 with the difference that the rear oblique walls 120 are not provided with the modification of Fig. 6 and with the difference that the longitudinal incision 118 extends close to the dowel insert leading edge. Fig. 6 shows the fastening part 113 in the state in which it is when it is placed in the hollow profile 15 102, i.e. when it has lost the original cultivable shape of the fastening part 113 as shown in the left half of Fig. 8. On the left and right sides of the incision 118, grooves 124 run in the back surfaces 114 and 114 'of the fastening part 113 extending in this direction, extending over the entire length of the fastening part 20 113 and terminating at each edge. These grooves provide a certain resilience to the fastening part 113 in the transverse direction, i.e. towards its narrow sides 116, which flexibility facilitates the insertion of the fastening part into the respective hollow profile.

25

As can be seen from Fig. 7 together with Fig. 5, the front edge surface of the fastening part 113 ends by binding the edges of the narrow cross-sections, hence the U-shape of the profile cross-section when viewed from the narrow side of the profile connection end. This also causes the front edge of the fastening part to cover well the narrow side opposite the main hollow profile. It is further shown in Figure 7 that the length of the connecting dowel 111 and the depth of the adapter bore 117 are selected so that the dowel and the fastening part when the dowel is fully inserted into the fastening part form a rigid 35 and non-flexible hollow profiles 101 and 102 without fitting. Rather, the transverse small parts 102 with the complete connection of the body elements 111 and 113 cover the main small part 101 optically correctly, but there is no force effect between the hollow profile parts. Rather, the hollow profiles form, to a certain extent, the cladding of the frame structure, which is not subjected to any bending forces. For this reason, the hollow profiles of the small constructions described above can be substantially thinner than with the technique in which part of the hollow profiles becomes a load-bearing function.

It can be seen from Fig. 7, as well as from the middle of Fig. 6, that the dimensioning of the through-openings 112 in the end support 101, in cross drawing 10 in the drawing 10, is approximately the strength of the connecting dowel 111 in the drawing plane. This results in a tight engagement of the dowel 111 with the small cross plane, with the result that the predetermined angle of intersection remains accurate. Seen vertically with respect to the plane of intersection of the small ones, the dowel 111 15 is instead inserted loosely into the passage opening 112. This is because the through holes extend substantially up to the back surfaces 106/106 'of the main profile and over the narrow side of the entire main profile. This results in the following profile of the through-openings 112. Viewed from the narrow sides of the main support 101, the openings 20 are rectangular in shape, with the short side of the rectangle running longitudinally of the main small 101 and the corresponding stem excess strength, while the long side of this rectangle exceeds the stake strength; viewed from the wide side of the main small 101, the through-openings 112 of the dowel 111 are U-shaped and the bottom of this U 25 extends inwards from the outer edge of the hollow profile, namely preferably to the back surface 106 of the hollow support 101 or at least halfway to the oblique surface 107. In any case, the bottom of the U does not extend so far as the headrest that its structure would be weakened or that it would not be completely covered by the protrusion 105 of the fully stationary cross-members 30 102.

Figures 10 and 3 show a modified application example of a small construction in a similar view and in the same order as the small construction according to Figures 6 and 7; there are differences in the order of Figures 6 and 7 in this application example.

. The main difference in the small construction according to Figures 10 and 3 compared to the small lattice structure described above is the different shape of the fastening part 113. The fastening portion 113 according to Figs. 6 and 7 is not provided with a longitudinal groove and further has a protruding protrusion, as will be described in more detail below.

As can be seen in Figures 10 and 3, the connecting elements are shaped so as to be arranged on a plurality of four or more mating surfaces directly or diagonally connected to the ends of the cross-member, namely at the top, bottom and sides. The upper and lower mating surfaces 125 are divided by two grooves and the leading edge of the fastening part 113 associated with the hollow-10 profile 101 is extended to a end 126 formed by three individual segments on the surface of the main hollow profile 101 as well as cover portions 105. with less flexible plastics and thicker segment walls, their flexible fit and compression fit effect would be lateral to the top and bottom of the headrest.

The portions 126 are formed slightly shorter than the covering portions 105 of the cross-members 20 102 and 103 so that they do not appear after the profile portions have been joined. Plastic connecting elements 113, for example made by injection molding, take the dowels 111 into precisely made rectangular recesses, as already described above, as a compression fitting.

25

In order to obtain an even better shape-fitting connection of the connecting elements 113, a groove parallel to the back side of the fastening part is made on their side surfaces in addition to the grooves for the hooks 104, which is connected to the recess formed by the hooks 104 in Fig. 5 on the outside of the main piece 101.

It is further advantageous to form embossed lines running on the back surfaces 114 and 114 'and on the side walls in the insertion direction in order to achieve a tighter fit of the fastening part 113. This reduces the manufacturing and machining accuracy requirements of both the hollow profile and the connector.

. The shape of the main and cross-pieces and their fitting to the connecting elements applied to them are not limited to the solution presented in “100730; rather, it is always possible to deviate considerably from this and to choose other types of applications. Thus, in principle, it is possible to fit the shape of the connecting elements only very roughly to the shape of the cross-pieces 5 and to use a hardening plastic mass to fit the former tightly. The same applies to inserting the dowel or dowels into the connecting elements. Shape or line milling is preferably used to shape the plastic connecting elements.

This also applies to the manufacture of hollow profile parts 104 and 104 '. The length of the fastening part 113 depends on both the width of the cross-members 102 and 103 and the thickness of the walls. The same applies to the length of the covering part 126. Depending on the size of the cross-members and the thickness of the wall, the adapter of the connecting piece and the material, there are different dimensions in the fastening of the connecting forces of the small lattice structure in the fastener-dowel support frame.

Claims (11)

1. Spray assembly coupling mechanism, wherein the main sprayer (101) and the transom sprays (102 or 103) are the same with two wide side walls and two narrow side walls provided with cavity profiles and where two transverse sprays (102 or 103) adjoin the main sprayer (101) has been connected, coupling means is the through-hole (112) on the narrow side wall (7) of each main test (101), through which the through-heel (112) has been inserted a pin (111) which protrudes on both sides of the main syringe (101), both ends of the pin (111) are in the heel (117) of the fastener (113) and the fastener (113) are adapted to the inner shape of the cross-sprays (102 or 103) and the bed is in the region of the cross-bar (102) or 103) end with clamping fitting, characterized in that the heel (117) of the mounting member (113) is designed as tapered tapered heel in the insertion direction of the pin so that when the pin is inserted, the attachment part (113) is extended transversely therefore, the heel and crosspiece (102 or 103) are wedged against the inner wall 25 and the mounting member (113) has a stop means (122) at the region of the rear end surface which prevents the mounting member (113) from moving into the crosspiece (102 or 103). ), when the pin (111) is inserted into the tapered heel of the fastener portion (117). Coupling mechanism according to claim 1, characterized in that there is a recess (118) in the longitudinal direction in the fastening part (113) which divides this part of the length into two branches when they are freely locked out, since no fastening means have been placed in the the transverse syringe, and where the recess (118) opens in the direction of insertion from the front surface of the fastener portion (113), the pin heel (117) protrudes from the rear end surface, passes through the material, ends before the front surface of the fastener portion, and when positioned on the The cross sprays are both branches of the mounting member (113) clamped against the narrow side wall (7) of the transom sprayer. Coupling mechanism according to claim 1 or 2, characterized in that the counter heel (117) of the pin of the fastener part (113) is not continuous. 4. A coupling mechanism according to any one of claims 1 to 3, characterized in that the pin heel (117) is a fitting bore for the pin (111) in the fastening part (113). 5. A coupling mechanism according to any one of claims 1 to 4, characterized in that the pin (111) and the pin heel (117) of the pin have been made square. 15 Coupling mechanism according to claim 5, characterized in that the guide surface (120) has been formed on oblique guide surfaces (120) on the front surface. Coupling mechanism according to any of claims 1 to 6, characterized in that a protruding edge from the surface of the fastening part (113) on the rear surface of the fastening part (113) forms the stopping means (122). 8. A coupling mechanism according to claim 7, characterized in that the lower surface of the edge acting as a stop means (122) has been formed as an oblique inclined surface rising to the rear end surface. 9. A coupling mechanism according to any one of claims 1 to 8, characterized in that the pin (111) is designed to be of equal thickness throughout its length. Coupling mechanism according to any of claims 1 to 9, characterized in that the pin heel (117) of the fastening part (113) extends to approx. two-thirds of the length of the fastener part. 100730 5 17 11. A coupling mechanism according to any one of claims 1 to 10, characterized in that the recess (118) in the fastening part (113) extends to approx. two-thirds of the length of the fastener part.