DE102015015071B4 - Longitudinal connection system for profiles - Google Patents

Abstract

A longitudinal connection system for profiles (1; 2) having a substantially U- or double-T-shaped cross section, wherein the profile (1; 2) has a base (19) and side walls (8; 9) and is designed in particular as a light channel for strip-arranged light-emitting diodes (4; 5) and wherein the profile has means for positive and / or non-positive fastening of a panel (7) and further with grooves formed in the side walls (8; 9) of the profile, wherein in the region of Connecting portions the back of the bottom (19) each having a connecting means, which are complementary to each other, wherein a first of the connecting means as from the back of the bottom (19) extending, nose-like extension (20) and a second of the connecting means as a tongue (21 ) is formed with an opening (22) for receiving the nose-like extension (20), characterized in that in the grooves (10; 11) of the profile a slider-like connector (12) can be used, which is displaceable in the region of the connecting portions and acting as a locking slide blocking the connecting means against loosening.

Description

The invention relates to a longitudinal connection system for profiles having a substantially U- or double-T-shaped cross section, wherein the profile bottom and side walls, in particular designed as a light channel for arranged in strips light-emitting diodes and the profile means for positive and / or non-positive Fastening a diaphragm has, as well as further formed with in the side walls of the profile grooves according to claim 1.

Profile rail systems for receiving arranged in strip light emitting diodes or LED modules for lighting purposes, in particular of aluminum material, which is composed of a plurality of profile elements, belong to the known prior art.

In the aluminum profile rail system for strip LEDs after DE 20 2013 102 263 U1 a U-shaped system channel is provided. In addition, a side profile and a corner profile are used. In this case, the system channel has a light channel formed on the edge or can be equipped with a light module which can be used on the front side. The side profile has a forwardly open light channel and / or preferably on both sides of a peripheral light channel. The light channel after DE 20 2013 102 263 U1 is U-shaped and takes on the already mentioned LED Stripes inside. The width of the light channel is adapted to the width of the individual LED strips and takes these on the bottom side. The light channels have on the side walls locking knobs or recesses for attaching profile panels. In a preferred embodiment, the profile panels can be snapped into the light channel.

A development of a profile rail system shows the DE 10 2014 216 725 A1 , The local system should not only serve to accommodate LED strips, but also be able to accommodate a power LED lighting module, which has a housing with a rectangular cross-section.

The outer width of the housing is adapted to the inner width of the light channel. This makes it possible, instead of an LED stripe, to introduce individual, punctiform, spaced-apart light sources in such a light channel in a simple manner. The previously known lighting module is a prefabricated structural unit with an already integrated LED lighting element.

A connector for profile rails is for example from the DE 20 2007 008 901 U1 previously known. The local profile connector is used to connect level profile rails for providing a ceiling construction, wherein on a side region of a first rail, a receiving device for receiving an end face of a second rail is present. After the telescoping of the respective ends of a locking device is used against displacement in the form of a bending tab, which is preferably formed integrally with the actual receiving device.

Although such a profile connector solution can be used as a support structure in the drywall, since the actual profiles are covered in the final state of the plasterboard material and therefore not visible to the user. When using profiles in connection with lighting devices, however, such a known connection solution is not suitable.

The EP 0 610 528 A1 discloses a profiled strip connection for connecting two profiled strips arranged one behind the other in the profile longitudinal direction. The local connection has at least one cavity enclosed on all sides by walls and, on at least one wall, a receptacle for inserting a planar component engaging in the receptacle with one of its edges.

In addition, at least one integrally formed, engaging in the profile strips to be joined profile connector by deformation of the moldings positively connected thereto.

The profile connector can be clamped in the profile strips. In particular, this engages in two opposing receptacles of two parallel juxtaposed profile strips.

In a particular embodiment, the profile connector is formed as a solid, preferably block-shaped block and is preferably made of aluminum. The receptacle consists of a U-shaped profile, the opposite longitudinal side walls of a free, integrally formed on the yoke of the U-profile leg and a leg adjacent to the wall is formed.

The profile strip connection after EP 0 610 528 A1 Although allows a very stable, even against twisting connection, but the handling and assembly costs is increased when using such fasteners, especially in tight spaces.

From the generic DE 20 2010 014 200 U1 is a light strip with at least two lights previously known, the light band spaced by means of suspension to a Ceiling is mountable. In addition, the reveals DE 20 2010 014 200 U1 a connecting element for such a light band.

The connecting device has securing tabs which are formed on one of the connecting elements. The respective securing tab is vertically resilient and equipped with a vertical latching opening. In this case, the respective latching opening is enclosed by an opening edge closed circumferentially. Complementarily, the other connecting element for the respective securing tab on a locking lug which protrudes vertically and protrudes vertically in the mounted state in the respective detent opening. In this case, the respective latching nose is enclosed by the opening edge and secured in a form-fitting horizontal.

The lighting system after DE 10 2012 202 148 A1 is based on an elongated mounting rail, which is suspended by means of a fastener on a wall or ceiling fastened. At least one individual mounting rail together with a light source, the electrical components and an optic together form a self-supporting, modular light band element. The light band element further comprises connecting elements such that two or more light band elements can be connected in such a way that, when the light is already supplied, a connected light band element can be illuminated by means of all light band elements connected to one another. The mounting rail of the lighting system has a substantially U-shaped support profile. The connecting elements comprise mechanical connecting means with which a stationary arrangement of connected light band elements can be realized. These means may be designed as a clutch and comprise locking means.

From the US 2015/0009664 A1 a tubular arrangement of light emitting diodes (LED) is previously known, wherein a series of several tubes via a connecting portion at the respective tube end faces is possible.

The DE 20 2010 013 079 U1 discloses a connecting element for a light rail system for rod-shaped bulbs. It is assumed that a mounting rail system with U-shaped rail profiles that are connectable to shock. A respective end region of the rail profiles to be connected is designed such that it can be pushed or plugged onto the connection element produced with a tolerance dimension, wherein the end regions can be fixed to the connection element. Hand-operated clamping elements are arranged on the respective connecting element, which effect a tool-free clamping between the respective end region of the rail profile and the connecting element.

The DE 10 2011 119 272 A1 relates to a magnetic Entkupplungsmechanismus for mutually to be joined strip-shaped profiles. The profiles include strips, which can be releasably connected to each other by positive engagement. Such an arrangement is particularly advantageous for LED light strips. The positive connection for connecting the strips is produced by a movable permanent magnetic locking means whose magnetization is in the direction of its mobility, wherein the positive connection can be achieved by means of an external Entkupplungsmagneten.

From the foregoing, it is therefore an object of the invention to provide a further developed longitudinal connection system for profiles with a substantially U- or double-T-shaped cross-section, wherein the profile has a luminous channel or is formed. In addition to a secure mechanical connection, the longitudinal connection system to be created should consist of as few as possible when connecting to individual parts to be positioned and be usable even in the most confined spaces under difficult conditions.

The object of the invention is achieved by a longitudinal connection system for profiles according to the feature combination according to claim 1, wherein the dependent claims represent at least expedient refinements and developments.

It is therefore assumed that a longitudinal connection system for profiles, in particular aluminum extruded profiles, wherein the respective profile preferably has a U- or double-T-shaped cross-section.

The profile comprises a light channel with a bottom and side walls. As light sources, light-emitting diodes (LEDs) arranged in particular on strips on a wiring carrier are used. The light channel has means for positive and / or non-positive fastening of a diaphragm, in particular a plastic diaphragm, which has at least two lateral limbs, which engage in the corresponding light channel. For non-positive fastening of the aforesaid diaphragm, the luminous channel has grooves or latching projections in the side walls, which interact with corresponding latching projections or grooves in the diaphragm.

Furthermore, in the region of the connecting sections, the rear side of the bottom of the light channel each has a connecting means. The connecting means are designed to be complementary to each other with respect to the respective opposite profile sections, wherein a first of the connecting means than from the back of the floor extending nose-like extension and a second of the connecting means is realized as a tongue with an opening for receiving the nose-like extension.

In the grooves of the light channel or the profile according to the invention a slider-like connector can be used, which is displaceable in the region of the connecting portions and acting as a locking slide blocking the connecting means against loosening.

In a preferred embodiment of the invention, the nose-like projections and the tongue with opening are each paired in the region of the connecting portions and may consist of a metallic stamped or stamped and bent part. These metallic parts are fixed in recesses of the back of the bottom of the light channel, in particular pressed there. In this respect, the rear side of the bottom may also have longitudinal grooves which serve to receive corresponding angled sections of the metallic parts.

It is thus possible to manufacture standard lengths of profiles and in each case complete them with the connecting means at the end, so that no costly work is required for on-site assembly, with the exception of the introduction and positioning of the locking slide. The fact that the above-mentioned connecting means are located on the back of the bottom of the light channel and thus virtually on the hidden side of the profile, they are not visually visible and thus not disturbing.

In a preferred embodiment of the invention, the respective opening of the tongue has a flat rectangular shape.

The respective nose-like extension is preferably designed as a flat piece and has an insertion slope facing the connection area and an adjustment slope lying opposite this. This can be done on the one hand a slight sliding to each other of the profile sections to be joined, the insertion beforehand facilitates a related positioning. The Justierschräge, however, causes during the positioning of the slider in the region of the connecting sections already in a centering and exact positioning of the sections to be joined with the avoidance of expensive butt joints. An additionally provided screw improves the centering effect and ensures sufficient adhesion of the executed compound of the respective profiles.

In this respect, the second connecting means has a threaded bore whose center lies in the region of the abutting end faces of the connecting portions.

The slider-like connector has at least one passage opening.

In the region of the abutting end faces of the connecting portions, a substantially semicircular recess is provided in the bottom of the light channel, which complement each other when connecting to a circular opening to receive the aforementioned screw for producing the frictional connection.

By means of the screw, the through hole in the connector and the threaded hole so a frictional connection with respect to the aforementioned means can be realized.

In one embodiment of the invention, the slider-like connector carries a diffuser, which covers the region of the abutting end faces in the connection state and causes homogenization of the light beam of the LEDs and minimizes shadowing.

This diffuser is preferably realized as a plastic diffuser plate made of an opaque material.

The slider-like connector also has large openings, which are positioned so that when connecting layer LEDs located underneath the LED Stripes are not subject to overlap or shading.

According to the invention is also the factory prefabrication of profiles, completed with the connecting means for the purpose of easier installation at the user.

The invention will be explained below with reference to an embodiment and with the aid of figures.

• 1 eine Draufsicht auf einen Verbindungsabschnitt von zwei Strangpressprofilenden mit Blick in den Leuchtkanal und dort befindlichen LED-Stripes;
• 2 eine Darstellung der Rückseite gemäß 1 mit dort erkennbaren Verbindungsmitteln in Form nasenartiger Fortsätze und Zungen mit Öffnung zur Aufnahme des jeweiligen nasenartigen Fortsatzes;
• 3 eine perspektivische Darstellung analog derjenigen nach 2 mit erkennbaren Einzelheiten bezogen auf die Ausführungsform der Zunge mit Öffnung nebst nasenartigem Fortsatz und dortiger Einführ- sowie Justierschräge;
• 4 eine Querschnittsdarstellung des Profils im Bereich der Verbindung mit erkennbarem Sperrschieber, der auf seiner Oberseite einen Diffusor trägt, und
• 5a-c verschiedene Darstellungen zur Illustration des vor-Ort-Montagevorgangs, d.h. dem Ausführen einer Verbindung von zwei beispielhaften U-Profilen mit einer Blende zur Abdeckung des Leuchtkanals.

Hereby show:

• 1 a plan view of a connecting portion of two extruded profile ends with a view into the light channel and LED strips located there;
• 2 a representation of the back according to 1 with there recognizable connecting means in the form of nose-like projections and tongues with opening for receiving the respective nose-like projection;
• 3 a perspective view analogous to those after 2 with recognizable details with respect to the embodiment of the tongue with opening together with nasal extension and local insertion and Justierungschräge;
• 4 a cross-sectional view of the profile in the region of the connection with recognizable locking slide, which carries on its upper side a diffuser, and
• 5a-c various representations to illustrate the on-site assembly process, ie the execution of a compound of two exemplary U-profiles with a cover to cover the light channel.

One of the basic idea according to the embodiment is to prepare the cut profile pieces in the factory in such a way that during later assembly by the installer, the same only with a few manual steps, especially with a single screw self-centering and positive on site both as ceiling installation, ceiling or in the pendulum assembly can connect mechanically and electrically. Based on the electrical connection is made to known plug contacts, which are not shown in the figures.

Of particular importance is the mechanical connection described in more detail. The installer or installer should handle items as little as possible. According to the embodiment, only a single metal shaped body, namely a locking slide with a flat base and screw is positioned. All other connecting means are already factory-placed in the corresponding profile piece, in particular pressed.

Details regarding the first and second connecting means show the 2 and 3 ,

The 1 is a plan view of two profile pieces to be joined 1 and 2 , The profile pieces have according to embodiment a U-section or a double-T-shaped cross-section.

The profile pieces 1 ; 2 are with their front sides under preservation of a narrowest gap 3 mechanically connect.

The profiles 1 ; 2 form a light channel with a bottom and opposite side walls.

Preferably in a recess or a recess of the bottom are LED strips 4 with LED chip 5 ,

In addition, the light channel has means 6 for positive and / or non-positive fastening of a panel 7 (please refer 5 ).

The side walls 8th ; 9 the profiles or profile pieces 1 ; 2 have opposite grooves 10 and 11 (please refer 4 ).

These grooves 10 ; 11 take a slider-like connector 12 on.

The connector 12 is in the region of the connecting portions across the gap 3 displaceable and acts as a gate valve related to the in the 2 and 3 shown connecting means.

The slider-like connector 12 In one embodiment, there are two arms extending into the light channel 13 ; 14 on which a diffuser plate 15 fix.

The diffuser plate 15 Covered in the connection state, the area of the abutting end faces (gap 3 ) and leads to a homogenization of the radiation emitted by the LEDs and prevents shadows.

The diffuser plate 5 still has an opening, which is the introduction of a screw 16 (please refer 1 and 4 ) serves.

The designed as a piece of metal slider-like connector 12 has additional extensive openings 17 ; 18 in order not to affect the leakage of radiation of the LED chips.

In the area of the connecting sections of the profile pieces 1 ; 2 is the back of the floor 19 of the light channel provided with connecting means which are complementary to each other.

A first of the connecting means is as a nose-like extension 20 and a second of the connecting means as a tongue 21 with opening 22 for receiving the nose-like extension 20 educated.

The aforementioned first and second connecting means are in a groove introduced into the bottom 23 used, in particular pressed, as can be seen from the synopsis of 3 and 4 is traceable.

From the 2 . 3 and 4 it becomes clear that the nose-like projections 20 and the tongue with opening 21 ; 22 are executed in pairs. These parts can be designed as metal stamped or stamped bent parts.

The opening 22 the tongue 21 has the shape of a rectangle in the embodiment shown. The respective nose-like extension 20 is designed as a flat piece. Directed to the connection area, the flat piece has an insertion bevel 25 and one of these opposite Justierungschräge 26 on.

The aforementioned bevels allow for a slight positioning of the connecting sections and when tightening the screw 16 an adjustment of the parts to be joined.

The second connecting means has a threaded bore which is the receptacle of the screw 16 serves.

The threaded bore is formed so that the same in the center in the region of the abutting end faces of the connecting portions, ie in the region of the gap 3 lies.

The slider-like connector 12 has at least one through hole to thread the screw 16 and to allow them to be tightened with a suitable tool.

In the region of the abutting end faces of the connecting sections or profile pieces 1 ; 2 the bottom of the light channel comprises a respective substantially semicircular recess, which complement each other when connecting to a circular opening to the screw 16 take.

By means of the screw 16 , the through-hole in the connector 12 and the threaded hole can realize the desired adhesion with respect to the aforementioned means.

The 5a shows the bottom to be connected profiles 1 ; 2 with slider 12 as an item (center) and already partially inserted slider 12 (left illustration).

The 5a also shows the second tongue connection means 21 , fixed to the corresponding profile piece 2 , The profile pieces 1 ; 2 be symbolized according to the representation on the basis of 5b , connected with each other. Following fixation with the help of the screw 16 and a clipping of the panels 7 , The aforementioned parts are in the perspective detailed view 5c again visible.

Already by the positioning of the slider-like connector, which acts as a locking slide, there is sufficient stability of the connection, which is further improved by the introduction of the screw while maintaining the described frictional connection.

In the finished state, i. when executed connection of several profile pieces with each other, the actual connection means for the viewer are no longer recognizable. Through the diffuser plate, i. its arrangement and training, the relevant connection section can no longer be readily recognized, so that a correspondingly realized light meets all aesthetic requirements.

Claims (11)

A longitudinal connection system for profiles (1; 2) having a substantially U- or double-T-shaped cross section, wherein the profile (1; 2) has a base (19) and side walls (8; 9) and is designed in particular as a light channel for strip-arranged light-emitting diodes (4; 5) and wherein the profile has means for positive and / or non-positive fastening of a panel (7) and further with grooves formed in the side walls (8; 9) of the profile, wherein in the region of Connecting portions the back of the bottom (19) each having a connecting means, which are complementary to each other, wherein a first of the connecting means as from the back of the bottom (19) extending, nose-like extension (20) and a second of the connecting means as a tongue (21 ) is formed with an opening (22) for receiving the nose-like extension (20), characterized in that in the grooves (10; 11) of the profile a slider-like connector (12) can be used, which is displaceable in the region of the connecting portions and acting as a locking slide blocking the connecting means against loosening. Longitudinal connection system according to Claim 1 , characterized in that the nose-like projections (20) and the tongue (21) with opening (22) are each executed in pairs and each consist of a metallic, in particular punched or stamped bent part, which in recesses (23) of the back of the floor ( 19) are fixed, in particular pressed. Longitudinal connection system according to Claim 1 or 2 , characterized in that the respective opening (22) of the tongue (21) has a rectangular shape. Longitudinal connection system according to one of the preceding claims, characterized in that the respective nose-like extension (20) is designed as a flat piece and has an insertion bevel (25) facing the connection region and an adjustment bevel (26) opposite this. Longitudinal connecting system according to one of the preceding claims, characterized in that the second connecting means has a threaded bore whose center is in the region of abutting end faces (3) of the connecting portions. Longitudinal connection system according to one of the preceding claims, characterized in that the slider-like connector (12) has at least one passage opening. Longitudinal connection system according to one of the preceding claims, characterized in that in the region of the abutting end faces (3) of the connecting portions in the bottom of the profile, a respective substantially semicircular recess is provided, which complement each other when connecting to a circular opening and receive a screw (16) , Longitudinal connection system according to Claims 5 to 7 , characterized in that by means of the screw (16), the through hole in the connector (12) and the threaded bore a frictional connection based on the aforementioned means is realized. Longitudinal connection system according to one of the preceding claims, characterized in that the slider-like connector (12) carries a diffuser (15) which, in the connected state, covers the region of the abutting end faces (3) and effects homogenization of the light beam of the light emitting diodes (4; and minimize shadowing. Longitudinal connection system according to one of the preceding claims, characterized in that the slider-like connector (12) has large openings (17; 18) which are positioned such that light-emitting diodes (5) underneath are not subject to overlapping or shading when the connection layer is underneath. Longitudinal connection system according to one of the preceding claims, characterized by its design as factory finished with the connecting means, prefabricated profile.

Images