This application is a 371 U.S. National Stage of International Application No. PCT/DE2016/100440, filed on Sep. 21, 2016, which claims priority to German Application 10 2015 121 192.0, filed on Dec. 4, 2015. The entire disclosures of the above applications are incorporated herein by reference.
The invention is based on a frame profile for a frame rack of a switch cabinet, wherein the frame profile has:
a first and a second profile web, wherein a free end of the first profile web has a first sealing edge, and a free end of the second profile web has a second sealing edge,
a first mounting side with fixing receptacles, which first mounting side is spaced apart from the first sealing edge by a first dimension of a first connecting side of the first profile web, which connects the first mounting side to the first sealing edge,
a second mounting side with fixing receptacles, which second mounting side is spaced apart from the second sealing edge by a second dimension of a second connecting side of the second profile web, which connects the second mounting side to the second sealing edge.
Such a frame profile is known from DE 10 2014 101 404 A1. Another frame profile in which, however, instead of profile webs with sealing edges, sealing sides extending parallel to the sealing plane are formed, is known from US 2001/0050516 A1.
This section provides background information related to the present disclosure which is not necessarily prior art.
In the construction of a frame profile for a frame rack of a switch cabinet, it must be ensured that the frame profile geometry, on the one hand, allows the cost effective manufacturing of the frame profile and, on the other hand, it is ensured that the frame profile has the largest possible functional scope when it is used in the construction of switch cabinets. It has been found that the frame profile known from DE 10 2014 101 404 A1 is in need of improvement in the series arrangement of switch cabinets, in the mounting of accessories and in the mounting of flat portions.
This section provides a general summary of the disclosure, and is not a comprehensive disclosure of its full scope or all of its features.
Therefore, the aim of the invention is to develop the known frame profiles in such a manner that, while keeping a simple base construction using as few bent edges as possible, it has an expanded functional scope, in particular with regard to the series arrangement capability, the mounting of accessories and flat portions.
Accordingly, it is provided that at least one of the profile webs has an undercut. This undercut can be used, for example, so that a fit-on seal can be fit via a groove, which also has an undercut design, onto the undercut profile web and secured there. In comparison to the frame profile geometries known from the prior art, a better hold of a fit-on seal is thus achieved.
An undercut contour formed by the undercut profile web can moreover serve for securing a mounting element for the fixing of an accessory in the interior space of the switch cabinet, for the purpose of which the mounting element is accommodated, for example, in a positive-locking manner in the undercut contour and is optionally secured. The undercut contour can also serve as a rain gutter for conveying fluid away from the sealing edge, in particular if the frame profile forms a horizontal profile of the frame rack of a switch cabinet. The undercut contour of a horizontal profile can moreover be a receptacle of a holder for flat portions of a switch cabinet. Not least, the undercut contour can be used for positioning purposes, for example, in order to arrange, in the series arrangement of switch cabinets, the (vertical) profiles of mutually adjoining frame racks at a defined spacing from one another.
In particular, the frame profile can have a closed profile geometry in cross section. However, the profile geometry can also be open, wherein, in that case, it can also be provided that a profile side of the open frame profile in cross section is closed by a profile side of an additional profile. Such a concept is known from the German patent application DE 10 2015 121 192.0 A1 which was filed on the same day.
For the formation of the undercut, it can be provided that, on the sealing edge, the connecting side of the profile web having the undercut transitions via a folded edge of more than 180° into an additional profile side of the profile web having the undercut. The folded edge can be continuous, so that the sealing edge has a substantially spherical sealing contour.
Moreover, the connecting side of the profile web having the undercut can extend at an acute angle, where α>0°, with respect to an additional profile side of the profile web having the undercut. Here, the angle α can open towards the sealing edge. The acute angle α can be between 1° and 10° and is preferably approximately 5°.
The connecting side of the profile web having the undercut and the additional profile side of the profile web having the undercut can converge up to a minimum spacing where α>0 cm. A cavity can be formed between the connecting side and the additional connecting side. The cavity in turn can be accessible via an opening at a site where the connecting side and the additional profile side converge up to the minimum spacing. Moreover, the cavity can be accessible via passages extending through the connecting side.
The additional profile side of the profile web having the undercut can transition at a site of a maximum convergence on the connecting side via a bent angle at an obtuse angle into a straight web connecting side which connects the two profile webs to one another via the additional profile sides thereof.
The connecting side of the profile web having the undercut can transition via a 90° bent edge into the mounting side which is spaced apart by the dimension from the sealing edge of the profile web.
The mounting sides can extend at an angle of 90° with respect to one another, wherein, in each case, at a site of maximum convergence towards one another, they transition via another bent edge into the respective associated connecting side.
Here, the mounting sides can be profile sides of a base body which is rectangular in cross section, wherein the frame profile, in a cross-sectional plane perpendicular to the longitudinal axis thereof, is mirror symmetrical with respect to a symmetry axis extending through an imaginary intersection of the two mounting sides and an edge of the base body, which is located diametrically opposite this intersection and on which two additional profile sides of the base body, which extend perpendicularly to one another, transition into one another. In the cross-sectional plane, the bent edges can have an additional minimum spacing perpendicularly to the symmetry axis, where b>0 cm.
Between the sealing edge and a site of maximum convergence towards the additional profile side, the connecting side of the profile web having the undercut can have a plurality of passages arranged at a grid spacing and extending through the connecting side.
The frame profile can be a horizontal profile of a frame rack of a switch cabinet, wherein the connecting side of the profile web having the undercut extends horizontally, and, above it, the additional profile side extends at an acute angle with respect to the horizontal and sloping from the sealing edge in the course of the profile web. If the frame profile here is an upper horizontal profile of a frame rack, a holder for flat portions, which is secured on a flat portion on the upper end thereof, can be placed on the additional profile side. Here, either a fit-on seal can be fitted via the sealing edge onto the profile web having the undercut, which fit-on seal is applied with a sealing surface against an inner side of a flat portion, which faces the horizontal profile, or a sealing element can be arranged on the inner side of the flat portion, which sealing element is applied against the sealing edge. As a result, it is achieved that the fit-on seal or the sealing element is compressed by a downward force, to which the holder with the flat portion fixed thereto is exposed on the additional profile side.
Moreover, it is conceivable that the additional profile side is a profile side which is closed over its entire surface and which, with a straight web connecting side into which it transitions via a bent edge at an obtuse angle, forms a rain gutter.
The above-described frame rack is particularly suitable for the formation of a cuboid frame rack of a switch cabinet with four vertical and eight horizontal struts, wherein, in the eight corners of the frame rack, in each case three frame profiles are arranged at right angles with respect to one another. The frame profiles can be arranged at right angles with respect to one another and be connected to one another using corner connectors. In particular, it is possible to provide that all twelve profile struts of the frame rack have an identical cross-sectional geometry, so that only one profile type is needed for the formation of the frame rack. In particular, it can be provided that, on the six sides of the frame rack, sealing edges of four frame profiles adjoining one another at right angles form a rectangular, peripherally closed sealing edge which forms an outer edge of the respective side of the frame rack.
Further areas of applicability will become apparent from the description provided herein. The description and specific examples in this summary are intended for purposes of illustration only and are not intended to limit the scope of the present disclosure.
The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.
Additional details of the invention are explained in reference to the following figures which show exemplary embodiments. Here:
Example embodiments will now be described more fully with reference to the accompanying drawings.
The four lower horizontal profiles 102 form a bottom frame or a bottom unit 104 of the frame rack 100, wherein the bottom unit 104 is placed on an additional frame 21 and optionally connected thereto. Via the additional frame 21, in the bottom area of the frame rack 100, an additional function is made available, here an additional mounting plane along the inner periphery of the bottom unit 21, for example, for fixing a bottom tray.
One can see that, in the corner area 103, the ends of the horizontal profiles 102, which end in the corner area 103, are notched in such a manner that, in the top view represented, the additional profile side 12 of the profile web 2 has a protrusion 27, by which it protrudes from the free edge 28 of the second connecting side 10 of the profile web 2. Thereby, the protrusion 27 forms a contact surface for the vertical profile (not represented), when said profile is inserted from above into the corner. Thereby, the orientation of the vertical profile with respect to the horizontal struts 102 forming the bottom unit 104 is facilitated. In the corner connector 20, a threaded bore 26 is formed, for example, for the mounting of the bottom unit 104 on a switch cabinet base.
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The profile webs 2, 3 thus enclose, in each case, between the connecting side 8, 10 thereof and the additional profile side 12 thereof, a cavity 29 which tapers from the sealing edge 4, 5 in the further course of the connecting sides 8, 10 and of the additional profile side 12, and which is accessible via an access at the site of maximum convergence between the connecting sides 8, 10 and the additional profile side 12. At this site, precisely the web connecting side 14 also transitions at an obtuse angle β into the respective additional profile side 12. The first connecting side 8 transitions via a right angle 15 into the mounting side 6, and the second connecting side 10 transitions via an another right angle 15 into the second mounting side 9. The mounting sides 6, 9 each have a system perforation consisting of fixing receptacles 7. Again at right angles with respect to the mounting sides 6, 9, additional profile sides 17, 18 with additional fixing receptacles 7 are arranged, wherein the profile sides 17, 18 themselves are arranged perpendicularly with respect to one another. Thus, the profile sides 6 and 18 as well as the profile sides 9 and 17 are arranged parallel to one another.
One can see that the mounting sides 6, 9 are profile sides of a base body which is rectangular in cross section, wherein, in the represented cross-sectional plane, the frame profile 1, perpendicularly to the longitudinal axis thereof, is mirror symmetrical with respect to a symmetry axis X which extends through an imaginary intersection S of the two mounting sides 6, 9 and through an edge K of the base body, which is located diametrically opposite this intersection point S, on the two additional profile sides 17, 18 of the base body, which transition into one another. The bent edges 16 have, perpendicularly to their symmetry axis X, an additional minimum spacing b, where b>0 cm.
The mounting sides 6, 9 are spaced by dimensions A1, A2 from the respective sealing edges 4, 5, forming in this manner a mounting plane which is offset with respect to the sealing edges.
The frame profile 1 is designed as a closed frame profile. However, it is conceivable that the frame profile 1 has an open cross-sectional geometry. For this purpose, for example, it is conceivable that at least one of the two profile sides 17, 18 is removed at least partially, in order thus to enable access to the profile interior from the inner side of the switch cabinet.
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The features of the invention disclosed in the above description, in the drawing and in the claims can be essential for the implementation of the invention both alone and also in any combination.
The foregoing description of the embodiments has been provided for purposes of illustration and description. It is not intended to be exhaustive or to limit the disclosure. Individual elements or features of a particular embodiment are generally not limited to that particular embodiment, but, where applicable, are interchangeable and can be used in a selected embodiment, even if not specifically shown or described. The same may also be varied in many ways. Such variations are not to be regarded as a departure from the disclosure, and all such modifications are intended to be included within the scope of the disclosure.
Number | Date | Country | Kind |
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10 2015 121 192 | Dec 2015 | DE | national |
Filing Document | Filing Date | Country | Kind |
---|---|---|---|
PCT/DE2016/100440 | 9/21/2016 | WO | 00 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO2017/092726 | 6/8/2017 | WO | A |
Number | Name | Date | Kind |
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5791115 | Nicolai | Aug 1998 | A |
6238027 | Kohler | May 2001 | B1 |
6238028 | Benner | May 2001 | B1 |
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9871353 | Boehme et al. | Jan 2018 | B2 |
20010050516 | Minoura | Dec 2001 | A1 |
20020166831 | Klassen | Nov 2002 | A1 |
20050174020 | Francisquini | Aug 2005 | A1 |
20070175648 | Francisquini | Aug 2007 | A1 |
20160352079 | Paul | Dec 2016 | A1 |
20160352080 | Brueck | Dec 2016 | A1 |
20160352083 | Brueck | Dec 2016 | A1 |
20160363150 | Schindler | Dec 2016 | A1 |
Number | Date | Country |
---|---|---|
19544432 | Jun 1997 | DE |
19737668 | Jul 1998 | DE |
10154706 | May 2003 | DE |
10207364 | Jun 2007 | DE |
102006003771 | Aug 2007 | DE |
102011052163 | Dec 2012 | DE |
102014101404 | Aug 2015 | DE |
1770838 | Apr 2007 | EP |
WO-9823009 | May 1998 | WO |
Entry |
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International Search Report and Written Opinion issued in PCT/DE2016/100440, dated Jan. 25, 2017; ISA/EP. |
Number | Date | Country | |
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20180375302 A1 | Dec 2018 | US |