Angle connector for mounting rails

Abstract

The invention proposes to construct an angle connector (1) for a mounting rail, the angle connector having a hook-shaped fastening element (10), which engages in a first mounting rail (7) via a longitudinal groove and bottom-engages an inwardly bent edge (15) of a longitudinal groove (14) in the first mounting rail (7). The hook-shaped fastening element (10) holds the angle connector (1) on the first mounting rail (7). On the opposite side, the angle connector (1) is fixed to the first mounting rail (7) via a screw connection (17, 19).

Description

Technical Field

[0001] The invention relates to an angle connector for mounting a guide rail. Background Art

[0002] The mounting rail is, for example, suspended below the ceiling or fastened horizontally or vertically to the ceiling, wall, column, etc., and is used to fasten and / or lay cables, cable racks, pipelines, wiring boards, etc. The mounting rail is usually made of sheet material by bending and has a rectangular tube profile that is open at one location and has a longitudinal groove that runs through in the longitudinal direction in the longitudinal side. In the longitudinal side opposite to the longitudinal groove, the known mounting rail has holes that are spaced apart in the transverse center, in particular round holes, elongated holes and / or square holes. In the other longitudinal side, the mounting rail can also have a hole. The invention is not limited to the described mounting rail.

[0003] In order to fasten the end of a mounting rail at the longitudinal side of a first mounting rail, an angle connector with a U-shaped profile is known, the mounting rail being arranged or arranged transversely or obliquely to the first mounting rail, the inner cross section of the angle connector corresponding to the outer cross section of the first mounting rail. In the following, the mounting rail whose end is fastened at the longitudinal side of the first mounting rail is also referred to as "second mounting rail" or "jointed mounting rail", and the first mounting rail is referred to as "jointed mounting rail", to which the mounting rail arranged transversely or obliquely to it is fastened at the longitudinal side of the first mounting rail. When the mounting rails extend horizontally, the angle connector is placed on the first mounting rail from above, wherein it is oriented so that its U-shaped profile is open at the bottom. At one side, the angle connector has another U-shaped profile oriented in the opposite direction. "Oppositely oriented" means that the U-shaped profile is open at the opposite side. The other U-shaped profile is located at the longitudinal side of the first mounting rail when the angle connector is placed on the first mounting rail, and the other U-shaped profile is open at the top when the angle connector is placed on the first mounting rail from bottom to top with its open side. The other U-shaped profile open at the top forms a fastening device for the end of the second mounting rail at the longitudinal side of the first mounting rail, which fastening device is arranged or is arranged transversely or obliquely to the first mounting rail, into which the end of the second mounting rail can be inserted, or in general, with which the end of the second mounting rail can be fastened at the longitudinal side of the first mounting rail.

[0004] Patent application EP1561956 A1 discloses a two-piece or multi-piece angle connector for mounting rails, which has a U-shaped profile that can be placed on a first mounting rail from above, the U-shaped profile having grooves in its side faces, on each side another U-shaped profile can be hooked into the grooves with its opening opposite to the opening of the angle connector as a fastening device for the end of the mounting rail. When the U-shaped profile is hooked on the side of the angle connector, the lugs of the other U-shaped profile engage the longitudinal edges of the angle connector below, so that the U-shaped profile cannot be lifted. Summary of the invention

[0005] The object of the present invention is to provide an angle connector for a mounting rail which can be easily fastened to the mounting rail.

[0006] The angle connector according to the invention has a fastening device for one end of a second mounting rail, referred to here as a “joint” mounting rail, which is arranged transversely or obliquely to a first mounting rail, referred to here as a “joint” mounting rail, and a hook-shaped fastening element for fastening the angle connector to the joined mounting rail. For fastening, the hook-shaped fastening element of the angle connector is hooked onto the side of the joined mounting rail opposite the fastening device of the angle connector and holds the angle connector on the joined mounting rail by form-fitting with the joined mounting rail. The hook-shaped fastening element of the angle connector according to the invention overlaps the mating mounting rail from the longitudinal side, on which the fastening device of the angle connector is located, towards the opposite side of the mating mounting rail, on which the hook-shaped fastening element hangs, when the angle connector is fastened to the mating mounting rail as specified and the hook-shaped fastening element hangs on the side of the mating mounting rail opposite the fastening device for the end of the mating mounting rail. The mating and mating mounting rails are preferably arranged in one plane, but can also have a height offset, i.e. be located in different planes.

[0007] According to the invention, the hook-shaped fastening element is S- or Z-shaped, so that the hook-shaped fastening element can bottom engage in the undercut on the side of the docking mounting rail opposite to the fastening device, when the hook-shaped fastening element is hung on the opposite side of the docking mounting rail as specified. "Opposite" does not necessarily mean the opposite longitudinal sides of the docking mounting rail, but for example also means the edge of the fastening device of the docking mounting rail through which the longitudinal groove is away from the angle connector. "Opposite" is in particular the half of the docking mounting rail facing away from the fastening device of the angle connector. The hook-shaped fastening element can, for example, bottom engage the edge of a hole that is an undercut in the mounting rail.

[0008] One configuration of the angle connector according to the invention is provided for a mating mounting rail, which has a through longitudinal groove, which extends in the longitudinal direction of the mating mounting rail and thus transversely to the mating mounting rail. The edge of the longitudinal groove is bent inwardly into the mating mounting rail and forms an undercut. The hook-shaped fastening element is S- or Z-shaped so that it bottom engages one of the inwardly bent edges when the angle connector, as specified, is hung on the mating mounting rail. In particular, the mating mounting rail has two inwardly bent edges on both sides of the longitudinal groove, wherein the hook-shaped fastening element bottom engages the edge facing away from the mounting rail to be mated.

[0009] One embodiment of the invention provides that the angle connector has abutment pieces for the longitudinal side of the mounting rail to be docked. The abutment piece can be, for example, a flat plate, which abuts externally against the longitudinal side of the mounting rail to be docked, when the angle connector, as specified, is hung and fastened to the mounting rail to be docked. A hook-shaped fastening element projects from the abutment piece for the mounting rail to be docked on the side opposite to the fastening device at the end of the mounting rail to be docked. Thus, the hook-shaped fastening element extending from the abutment piece on the fastening device at the end of the mounting rail to be docked is arranged at the abutment piece on the longitudinal side of the mounting rail to be docked relative to the fastening device.

[0010] One embodiment of the invention provides an abutment piece of the angle connector for the longitudinal side of the abutting mounting rail. In particular, the hook-shaped fastening element projects obliquely from the abutment piece at an acute angle. In particular, the abutment piece is flat and the hook-shaped fastening element projects obliquely at an acute angle relative to the plane.

[0011] In particular, the fastening element is arranged at a first end of the contact part and is bent in an S- or Z-shaped manner such that a free end of the fastening element points away from a second end of the contact part, which is opposite the first end of the contact part.

[0012] The hook-shaped fastening element is preferably an integral component of the angle connector according to the present invention.For example, the angle connector together with its hook-shaped fastening element is made in one piece from a sheet material by bending and / or curving.

[0013] One embodiment of the invention provides a U-shaped bracket as a fastening device for the end of the butted mounting rail, into which the end of the butted mounting rail can be inserted. The bracket can also be understood as a profile. The hook-shaped fastening element is in particular longer than half the clear width of the U-shaped bracket. The "width" here refers to the spacing of the inner sides of the legs of the U-shaped bracket facing each other. The "length" relates in particular to the spacing of the free end of the hook-shaped fastening element to the abutment of the angle connector.

[0014] One configuration of the present invention provides that the hook-shaped fastening element of the angle connector has serrations, meshing portions, teeth, etc. at the free end, and the serrations, meshing portions, teeth, etc. may be molded into the mating mounting rail or embedded in complementary serrations, meshing portions, teeth, etc. on the mounting rail, and / or the serrations, meshing portions, teeth, etc. improve the force lock and / or form lock, especially in the longitudinal direction of the mating mounting rail, and the hook-shaped fastening element is hung or will be hung on the mating mounting rail.

[0015] A preferred embodiment of the invention provides a threaded hole (i.e. a through hole for passing a fastener such as a screw, a threaded rod, etc.) to fix the angle connector to the docking mounting rail. The threaded hole is in particular in a bend arranged at the abutment part, which is arranged at the second end of the abutment part. The spacing between the hook-shaped fastening element and the bend corresponds essentially to the height of the docking mounting rail. The threaded hole of the angle connector is in particular on the side of the angle connector opposite to the docking mounting rail, just like the hook-shaped fastening element, when the angle connector is arranged at the docking mounting rail as specified.

[0016] The assembly according to the invention provides two mounting rails, one end of the butted mounting rails being fastened by the two mounting rails at the longitudinal sides of the butted mounting rails by means of an angle connector of the aforementioned type.

[0017] In one embodiment of the assembly according to the invention, the angle connector has abutment members, which are externally abutted against one longitudinal side of the docked mounting rail. The hook-shaped fastening element of the angle connector overlaps the docked mounting rail transversely to the abutment members of the angle connector and engages in the opening of the docked mounting rail. The opening is, for example, a hole or a longitudinal groove in the docked mounting rail. The hook-shaped fastening element can overlap the docked mounting rail above, below or laterally. The docked mounting rail has an undercut at the side away from the abutment members of the angle connector, for example, at the edge of the hole or longitudinal groove away from the abutment members. The side away from the abutment members of the angle connector can also be understood as the side of the docked mounting rail opposite to the abutment members or the fastening device for the end of the docked mounting rail. The undercut can be formed, for example, by a flange of the longitudinal groove of the mounting rail that protrudes inwards and surrounds the hole or an edge that is bent inwards into the mounting rail. The hook-shaped fastening element of the angle connector according to the invention engages with the undercut in the interior of the abutting mounting rail, at which the angle connector is fastened. The hook-shaped fastening element of the angle connector engages with the undercut on the side opposite the abutment part and holds the abutment part of the angle connector at the longitudinal side of the abutting mounting rail by form locking. The hook-shaped fastening element does not have to forcibly hold the abutment part of the angle connector against the longitudinal side of the abutting mounting rail, but due to the play, an intermediate space between the abutment part of the angle connector and the longitudinal side of the abutting mounting rail can be generated.

[0018] According to one configuration of the assembly of the invention, the angle connector is provided with a bend with a threaded hole so that the angle connector can be fastened to the docked mounting rail by means of a fastener. The fastening can be achieved, for example, by threading the angle connector to the docked mounting rail by means of a T-head screw or a rectangular nut. The hook-shaped fastening element of the angle connector is fastened (which can also be referred to as fixing) to the docked mounting rail, or in any case, the hook-shaped fastening element is prevented from being able to be detached from the mounting rail. This ensures that the abutment of the angle connector remains at the longitudinal side of the docked mounting rail and that the docked mounting rail does not flip over when loaded with the docked mounting rail fastened thereto laterally or obliquely by the angle connector, that is, the docked mounting rail does not swing around its longitudinal axis when loading the docked mounting rail. By hooking the hook-shaped fastening element of the angle connector according to the invention on the mating mounting rail and fixing the angle connector on the opposite side of the mating mounting rail, the connection is more stable than without fixing on the opposite side, because twisting of the mating mounting rail is avoided. The opposite side of the mating mounting rail, on which the hook-shaped fastening element of the angle connector is hooked and on which the angle connector is fixed, is in particular different from the opposite side of the mating mounting rail, on which the fastening device for the end of the mating mounting rail is arranged and on which the hook-shaped fastening element is hooked. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The invention is explained in more detail below with reference to two exemplary embodiments shown in the accompanying drawings. The drawings show:

[0020] Figure 1 A first embodiment of an angle connector according to the present invention is shown in a perspective view;

[0021] Figure 2 Shown according to Figure 1 The direction of observation of the arrow II Figure 1 A view of an angle connector;

[0022] Figure 3 Show that Figure 1 and Figure 2 An angle connector is laterally attached to the mounting rail;

[0023] Figure 4 The mounting rail is fastened to the longitudinal side. Figures 1 to 3 Angle connector;

[0024] Figure 5 A second embodiment of the angle connector according to the invention when attached at a mounting rail; and

[0025] Figure 6 The longitudinal sides of the mounting rail are shown. Figure 5 Angle connector. DETAILED DESCRIPTION

[0026] exist Figure 1 The angle connector 1 according to the invention shown in the figure is made of steel sheet and has a C-shaped clamp 2 in the side view and a U-shaped bracket 3 in the cross section, which bracket can generally also be understood as a fastening device 4 for the end of a mounting rail not drawn, which mounting rail is also referred to as a docking mounting rail below.

[0027] The C-clip 2 is bent from a steel sheet of constant width and has a flat center piece 5, which forms an abutment piece 6 for abutting against a longitudinal side of a mounting rail 7, also referred to below as abutted mounting rail. At the end of the center piece 5, the C-clip 2 has a right-angled bend 8 with a through hole as a threaded hole 9.

[0028] At the end opposite the bend 8, the center piece 5 of the C-clip 2 of the angle connector 1 according to the invention has a hook-shaped fastening element 10, which, viewed transversely to the C-clip 2 (i.e., viewed in the longitudinal direction of the C-shaped profile of the clip 2), can be understood as an S or Z shape. The hook-shaped fastening element 10 protrudes from the center piece 5 of the C-clip 2, which forms the abutment 6, on the same side as the bend 8. The hook-shaped fastening element 10 first protrudes a little at right angles from the flat center piece 5 of the C-clip 2, then extends slightly obliquely away from the abutment 6 in the direction of the bend 8, and, viewed from this side, is bent at the end into a hook 11, which points away from the bend 6. In the central part of the hook-shaped fastening element 10, the hook-shaped fastening element 10 extends at an acute angle relative to the central part 5 of the C-shaped clamp 2 of the angle connector 1 according to the present invention, which forms the abutment 6, and the central part extends slightly inclined away from the abutment 6 in the direction of the bend 8.

[0029] The free end edge of the hook 11 of the hook-shaped fastening element 10 of the angle connector 1 facing away from the bend 8 is serrated, that is, the end edge of the hook 11 has serrations 12. Figure 2 The sawtooth can be seen in FIG.

[0030] A U-shaped bracket 3 protrudes at right angles from the center piece 5 and on the opposite side like the bend 8 and the hook-shaped fastening element 10, which forms a fastening device 4 for the end of a second, butted mounting rail (not shown). In this embodiment, the U-shaped bracket 3 is a steel profile that is welded to the center piece 5 of the C-clip 2. The U-shaped bracket 3 is open on the side where the bend 8 is located and is closed on the opposite side where the hook-shaped fastening element 10 is located.

[0031] The angle connector 1 according to the invention can be manufactured and / or shaped differently from the described exemplary embodiment; it can not be manufactured from bent and welded sheet metal and does not necessarily have to be manufactured from metal.

[0032] like Figure 3 As shown, in order to transversely fasten the angle connector 1 at the longitudinal side 13 of the first mounting rail 7 to be docked, the angle connector 1 is assembled from one side at the longitudinal side 13 of the docked mounting rail 7. In the illustrated embodiment of the present invention, the docked mounting rail 7 is a double mounting rail, which consists of two identical mounting rails, which are welded to each other with their bottom sides abutting each other. The welded mounting rails each have a through longitudinal groove 14 in the longitudinal center plane of the mounting rail 7, wherein the longitudinal groove 14 is located in the opposite side of the double mounting rail. The edge 15 of the longitudinal groove 14 is bent inwardly into the mounting rail 7, and an undercut 16 is formed at or in the mounting rail 7.

[0033] In this embodiment, the abutting mounting rails 7 extend horizontally and their longitudinal slots 14 are located above and below. Other orientations of the abutting mounting rails 7 are also possible.

[0034] In order to fasten at the longitudinal side 13 of the abutting mounting rail 7, as in Figure 3 As shown in the figure, the angle connector 1 according to the invention is mounted obliquely at the longitudinal side 13 of the mating mounting rail 7, so that its hook-shaped fastening element 10 enters a longitudinal groove 14 of the mounting rail 7 and the longitudinal edge of the mounting rail 7 in the inner corner of the C-clip 2 of the angle connector 2 is placed at the transition from the flat center piece 5 forming the abutment piece 6 to the hook-shaped fastening element 10 of the C-clip 2 of the angle connector 1. Subsequently, the angle connector 1 is turned around the longitudinal edge of the mounting rail 7 so that the center piece 5 of the C-clip 2 of the angle connector 1, which forms the abutment piece 6, comes into abutment with the longitudinal side 13 of the mounting rail 7, as shown in FIG. Figure 4 . The bent portion 8 now overlaps one of the two sides of the butted mounting rail 7 having the longitudinal groove 14, and the threaded hole 9 is located in the center of one of the two longitudinal grooves 14 of the mounting rail 7. The hook-shaped fastening element 10 and the bent portion 8 of the angle connector 1 overlap the butted mounting rail 7 at the opposite longitudinal sides. The abutment 6 of the angle connector 1 is located at the longitudinal side 13 of the butted mounting rail 7, which connects the two longitudinal sides of the overlapping hook-shaped fastening element 10 and the bent portion 8.

[0035] By flipping the angle connector 1 together with the center piece 5 forming the abutment piece 6 to the longitudinal side 13 of the abutting mounting rail 7, the hook 11 at the end of the hook-shaped fastening element 10 reaches behind the edge 15 of the longitudinal groove 13 on the side of the mounting rail 7 opposite the bend 8, which is bent inward into the mounting rail 7, so that the hook 11 bottom engages the edge 15 of the longitudinal groove 13 of the mounting rail 7, which forms the undercut 16. By bottom engaging the edge 15 forming the undercut 16, the hook-shaped fastening element 10 holds the angle connector 1 on the longitudinal side 13 of the abutting mounting rail 7 by form locking, against lateral pulling. The angle connector 1 cannot be pulled out transversely from the longitudinal side 13 of the mounting rail 7, wherein a gap can occur between the abutment 6 of the angle connector 1 and the longitudinal side 13 of the mounting rail 7 due to clearances and / or tolerances when the angle connector 1 is pulled transversely to the mounting rail 7.

[0036] The tilted assembly of the angle connector 1 at the longitudinal side 13 of the mating mounting rail 7 and the tilting of the angle connector 1, so that its abutment member 6 comes into abutment with the longitudinal side 13 of the mounting rail 7 and the hook 11 of the hook-shaped fastening element 10 bottom engages with the edge 15 bent inwardly into the mounting rail 7 forming the undercut 16, can also be understood as the hook-shaped fastening element 10 hanging at or in the mounting rail 7. The hook-shaped fastening element 10 of the angle connector 1 according to the present invention is hung at the center piece 5 forming the abutment member 6 and at the edge 15 of the longitudinal groove 16 in the mounting rail 7 away from the U-shaped bracket 3, which can also be understood as the side of the mounting rail 7 opposite to the angle connector 1 or the longitudinal side 13 of the mounting rail 7, at which the angle connector 1 is fastened or fastened.

[0037] In order to connect with the docking mounting rail 7, the docking mounting rail, not drawn, enters the U-shaped bracket 3, which forms the fastening device 4 of the angle connector 1. The end of the docking mounting rail can be screwed and / or hooked to the U-shaped bracket 3, for example. The docking mounting rail and the docking mounting rail 7 are in one plane, but can also have an offset relative to each other. In this embodiment, the docking mounting rail is arranged transversely to the docking mounting rail 7, but it is also possible for the docking mounting rail to be inclined to the docking mounting rail 7. The docking mounting rail can have a cross-section different from the docking mounting rail 7, and the docking mounting rail can especially be a single mounting rail, which has a longitudinal groove at one longitudinal side and a hole in the transverse center of the opposite longitudinal side. The docking mounting rail 7 does not have to be a double mounting rail 7, but can be a single mounting rail (not shown). In the embodiment shown, the butted mounting rail and the butted mounting rail 7 have the same width and are as wide as the inner width (or clear width) of the U-shaped bracket 3, which forms the fastening device 4 for the end of the butted mounting rail. The hook-shaped fastening element 10 of the angle connector 1 according to the invention is longer than half the width of the butted mounting rail and / or half the width of the butted mounting rail 7, and / or, longer than half the inner width or half the clear width of the U-shaped bracket 3.

[0038] When the hook-shaped fastening element 10 is hooked into the mating mounting rail 7 by flipping the angle connector 1 with its abutment piece 6 from the outside onto the longitudinal side 13 of the mounting rail 7, the serrations 12 at the end edge of the hook-shaped fastening element 10 come into contact with the mounting rail 7 from the inside and are, if necessary, molded into the mounting rail 7. This increases the friction and, if necessary, forms a form fit, which makes it difficult for the angle connector 1 to move in the longitudinal direction of the mounting rail 7.

[0039] The angle connector 1 is fixed, i.e. fastened, at the mounting rail 7 by means of a rectangular nut 17, which is held by means of a retainer 18 on the side of the bend 8 in the mounting rail 7 and is placed transversely in the mounting rail 7, and by means of a screw as a fastener 19, which is introduced into the rectangular nut 17 through a threaded hole 9 in the bend 7 of the angle connector 1 and is tightened. In addition, the fastener 19 and the rectangular nut 17 tighten the bend 8 against the mounting rail 7 from the outside, and the hook 11 of the hook-shaped fastening element 10 tightens against the mounting rail 7 from the inside on the opposite side of the mounting rail 7. As a result, if necessary, the serrations 12 at the end edge of the hook-shaped fastening element 10 are molded into the mounting rail 7 from the inside, thereby increasing the resistance of the angle connector 1 to movement in the longitudinal direction of the abutted mounting rail 7.

[0040] exist Figure 5 and Figure 6 In the embodiment, the angle connector 1 according to the invention together with its hook-shaped fastening element 10 is only hung at the top in the longitudinal groove 14 of the mating mounting rail 7, so that the abutment part 6 of the angle connector 1 abuts on the outside at the longitudinal side 13 of the mounting rail 7. This hanging is as described above with reference to Figure 3 and Figure 4 is implemented as described, wherein Figure 5 and Figure 6 The central angle connector 1 is oriented in the opposite direction so that the hook-shaped fastening element 10 is located at the top instead of at the bottom. It is sufficient to fasten the angle connector 1 to the longitudinal side 13 of the mounting rail 7 to which it abuts by hooking the hook-shaped fastening element 10 of the angle connector internally on the opposite side of the mounting rail 7. Figure 6 Additional screw connections are also possible on the lower longitudinal side, such as in Figure 4 (there, however, above), is not necessary. As long as no screw connection of the angle connector 1 to the mounting rail 7 is provided, the bend 8 with the threaded hole 9 can be omitted. Figure 5 and Figure 6 In FIG. 8 , an angle connector 1 without a bend 8 is drawn. Figure 5 and Figure 6 For an explanation of Figures 1 to 4 In all drawings, the same reference numerals are used to represent the same elements.

[0041] A butt-jointed mounting rail forms an assembly according to the present invention of two butt-jointed mounting rails 7 which are arranged transversely or obliquely to each other (i.e., not extended to each other), the ends of the butt-jointed mounting rails being fastened to the longitudinal sides 13 of the butt-jointed mounting rails 7 as shown using the angle connector 1 according to the present invention.

[0042] Reference numerals list

[0043] Angle connector for mounting rails

[0044] 1 Angle connector

[0045] 2 C-clip

[0046] 3 U-shaped bracket

[0047] 4 Fastening device

[0048] 5 Centerpiece

[0049] 6. Adhesive parts

[0050] 7 First mounting rail

[0051] 8 Bending part

[0052] 9 Threaded holes

[0053] 10 Hook-shaped fastening element

[0054] 11 Hook

[0055] 12 Sawtooth

[0056] 13 Longitudinal side

[0057] 14 longitudinal grooves

[0058] 15 Edge

[0059] 16 Undercut

[0060] 17 Rectangular nut

[0061] 18. Retaining element

[0062] 19 Fasteners.

Claims

1. An angle connector for mounting rails, the angle connector being capable of being arranged on a first mounting rail (7) and having a fastening device (4) for the end of a second mounting rail, wherein the angle connector (1) is mounted on the longitudinal side (13) of the first mounting rail (7) to be mated, from one side, in order to laterally fasten the angle connector (1) on the longitudinal side (13) of the mating first mounting rail (7), the mating first mounting rail (7) being a double mounting rail, the double mounting rail consisting of two identical mounting rails, the mounting rails being connected to each other with their bottom sides being in contact with each other, the connected mounting rails each having a through longitudinal groove (14) in the longitudinal center plane of the first mounting rail (7), wherein: A longitudinal groove (14) is located in the opposite side of the double mounting rail, the edge (15) of the longitudinal groove (14) is bent inwardly into the first mounting rail (7) and forms an undercut (16) on the first mounting rail (7), wherein the angle connector (1) has a hook-shaped fastening element (10) which can be hooked into the first mounting rail (7) so that the angle connector (1) is held on the first mounting rail (7) by form locking, wherein the hook-shaped fastening element (10) is S-shaped or Z-shaped, The hook-shaped fastening element (10) is designed in such a way that it can engage with the undercut (16) on the side of the first mounting rail (7) opposite the fastening device (4) for the end of the second mounting rail and thereby be held on the first mounting rail (7) when the angle connector (1) is arranged with its fastening device (4) on the longitudinal side (13) of the first mounting rail (7). The angle connector (1) comprises an abutment member (6) for the longitudinal side (13) of the first mounting rail (7), the abutment member (6) being flatly abutted against the longitudinal side (13) of the first mounting rail (7), and the hook-shaped fastening element (10) protrudes from the side of the abutment member (6) opposite to the fastening device (4), the fastening device (4) being used for the end of the second mounting rail.

2. The angular connector according to claim 1, characterized in that The angle connector (1) has an abutment piece (6) for a side (13) of the first mounting rail (7), the hook-shaped fastening element (10) protruding from the abutment piece (6) obliquely at an acute angle relative to the abutment piece (6).

3. The angular connector according to claim 1, characterized in that The hook-shaped fastening element (10) is integral with the angle connector (1).

4. The angular connector according to claim 1, characterized in that The angle connector (1) has a U-shaped bracket (3) as a fastening device (4) for the end of the second mounting rail, the end of the second mounting rail being insertable into the U-shaped bracket.

5. The angular connector according to claim 1, characterized in that The hook-shaped fastening element (10) has serrations (12), teeth or serrations at the free end.

6. The angular connector according to claim 1, characterized in that The angle connector (1) has a threaded hole (9) for penetrating a fastener (19) to fix the angle connector (1) at the first mounting rail (7).

7. An assembly having two mounting rails, wherein: The angular connector (1) according to any one of the preceding claims 1-6 is arranged at the first mounting rail (7), and the second mounting rail is arranged to dock with the first mounting rail (7) and connected to the first mounting rail by means of the angular connector (1).

8. The assembly according to claim 7, characterized in that The angle connector (1) has an abutment member (6) which abuts externally against a side (13) of the first mounting rail (7), the hook-shaped fastening element (10) overlaps the first mounting rail (7) transversely to the abutment member (6) and engages in a longitudinal groove (14) of the first mounting rail (7), the first mounting rail having an undercut (16) internally on the side of the longitudinal groove (14) away from the abutment member (6) of the angle connector (1), the bottom of the undercut engaging the hook-shaped fastening element (10) so that the angle connector (1) is held on the first mounting rail (7) by a form lock.

9. The assembly according to claim 7 or 8, characterized in that The angle connector (1) is provided with a bent portion (8) with a threaded hole (9), so that the angle connector (1) can be fastened to the first mounting rail (7) to which it is connected by means of a fastener (19).

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