Abstract:
A wall-mounted installation housing for receiving electrical components, having a base part with a floor that can be screwed into the wall. A hood-like cover can be placed onto or over the base part and surrounds an installation space by two side walls, the floor and a cover. To be able to make good use of the available installation space it is possible to fix one or more supports to the base part which protrude from the floor of the base part in the direction of the hood-like cover and support it in relation to the base part. This invention provides supports having an assembly section fitted with fixing recesses to which fittings can be attached such that they face into the installation space.

Description:
BACKGROUND OF THE INVENTION 
     1. Field of the Invention 
     This invention relates to a wall-mounted installation housing for installing electrical components in a base element, which can be screwed to a wall with a back, wherein a hood-like cover can be placed on or over the base element which encloses an installation space with two lateral walls, a bottom side, and a cover side. 
     2. Description of Related Art 
     An installation housing is known from German Patent Reference DE 44 10 795 C1. Here, a bent sheet metal element, which has a bottom element oriented parallel with a wall, is used as the base element. The bottom element has several fastening receivers, on which electrical built-ins can be fixed in place and wired together. Following the installation of the built-ins, the installation housing can be closed by the cover. For this purpose the hood-like cover is placed over the base element and fixed in place. 
     SUMMARY OF THE INVENTION 
     It is one object of this invention to provide a wall-mountable installation housing of the type mentioned above, wherein the available installation space can be well used with built-ins. 
     This object is attained with one or several supports that can be fastened on the base element, which project away from the bottom of the base element in the direction toward the cover and which support the cover on the base element. The supports have a mounting section with fastening receivers, on which built-ins can be fastened facing the installation space. 
     Built-ins can be fixed in place on the supports, spaced at a distance from the bottom of the base element. Thus it is possible to equip the available installation space with built-ins also in the direction of a depth of the installation housing. Thus it is possible for one to achieve a variable occupation of the interior of the installation housing. On the other hand, well arranged wiring is also possible. 
     In accordance with a preferred embodiment of this invention, the bottom element has at least one lateral flange, which has a recess into which a brush strip can be inserted. The brush strip, together with the edge area of the cover facing the base element, forms a cable inlet close to the wall. 
     In connection with an installation housing in accordance with this invention it is possible to have supports fastened on two oppositely located sides of the base element, and to project past the base element with the mounting section. It is then possible to fasten mounting rails, for example, on both supports, which extend over an entire width of the installation space. It is conceivable for larger built-ins, which extend over the entire width of the installation space, to be fastened indirectly or directly on the supports. For an orderly cable guidance in the installation housing, the mounting section of the supports is designed as a wall which extends parallel with and at a distance from the associated lateral wall. The mounting section has at least one passage for cables, which forms a spatial connection between the installation space and the cable duct formed between the mounting section and the lateral wall. 
     If standardized component supports are installed in the installation space, then the two supports, which are assigned to the oppositely located sides of the base element, can have component supports with rows of fastening receivers arranged in a separation grid. The component supports can be selectively positioned at two distances from each other, wherein components with a metric installation size can be fastened on the two component supports in the one mounting position, and in the second mounting position components of an installation size can be measured in inches. 
     For fixing the cover on the base element, one embodiment of this invention provides supports that have a support base designed as a horizontal flange, which rests on the bottom of the base element and is releasably fastened to the base element. The mounting section adjoins the support base at right angles and the mounting section has laterally angled-off support sections on its end facing away from the support base, which protrude in the direction toward the cover and rest against the inner wall of the lateral wall of the cover for supporting the latter parallel with respect to the wall. With its front face facing away from the base element, the support braces the cover vertically in the direction toward the wall. 
     To achieve a simple and stable design of the cover, an installation housing in accordance with this invention has the lateral walls of the cover provided with horizontal fastening flanges. The bottom side and the cover side also have horizontal fastening flanges, which rest against the fastening flanges of the lateral walls, and the fastening flanges are oriented toward the interior of the housing body and are screwed to each other there. 
     So that the cover can be fixed simply and without tools, on the base element, the cover can have a lock which works together with a locking element of the base element or of the support for fixing the cover in place. On its front facing away from the base element, the cover can be closed by a door, which is hinged in the area of a side of the cover. The installation space can be made accessible through the door when the cover is mounted. It is possible to provide the door with a viewing window, through which display elements for monitoring the operational state can be read. 
    
    
     BRIEF DESCRIPTION OF THE DRAWINGS 
     This invention will be explained in greater detail in what follows by an exemplary embodiment represented in the drawings wherein: 
     FIG. 1 is a perspective exploded view of a base element with two supports mounted thereon; 
     FIG. 2 is a perspective exploded view of an installation housing with the base element in accordance with FIG. 1; and 
     FIG. 3 is a perspective exploded view of a cover for the installation housing shown in FIG.  2 . 
    
    
     DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS 
     A base element  10  is shown in FIG. 1, which can be mounted on a vertical wall. The base element  10  has a vertical back  11 , to which flanges  12 ,  13  are connected at right angles. Brush strips  14 . 1  are fastened to the horizontally extending flanges  13 . The brush strips  14 . 1  have profiled strips  14 . 2 , which have a slit extending in the longitudinal direction of the profile. The profiled strips  14 . 2  can be pushed on the edge  13 . 1  of the flange  13  with the slit. The flanges  13  have inclined sections  13 . 2  in the transition area facing the flanges  12 . A slit  15  extends in the direction vertically toward the back  11  between the inclined sections  13 . 2  and the flanges  12 . As the flange  12  shown at the right in FIG. 1 shows, holders  12 . 2 , in this case threaded bolts facing the-installation space, are fixed on the flange  12 . Mounting rails can be fastened on the holders  12 . 2 . The flange has a closing element  12 . 1  centered between the two holders  12 . 2 . 
     Fastening receivers  11 . 2 ,  11 . 3  are worked into the back  11  for fastneing the base element  10  on the wall. Fastneing screws can be inserted through the fastening receivers  11 . 2 ,  11 . 3  and screwed into the wall. Threaded bolts  11 . 1 , which extent at right angles with respect to the level of the back  11 , are provided for fixing mounting plates on the base element  10  parallel with the back  11 . Respectively four further threaded bolts  11 . 4 ,  11 . 5  are fastened on the back  11  in the area of the lateral flanges  12 . The threaded bolts  11 . 4 ,  11 . 5  are used for fastening supports  20 . The supports  20  are made as stamped and bent elements from a sheet metal blank. The supports  20  have a support base  23  extending parallel with the back  11 , which is angled off in the form of a flange from a mounting section  21 . The mounting section  21  is embodied as a flat wall, which has sereral rows of fastening receivers  26 . Support sections  25 , which are angled off in one piece from the mounting section  21 , adjoin the horizontal edges of the mounting section  21 . Here, the support section  25  extend from the back  11  as far as the free end of the mounting section  21 . 
     The support base  23  of a support  20  has two bores  28 . The support  20  can be slipped on the threaded bolts  11 . 4 ,  11 . 5  using the bores  28 . As shown in FIG. 1, the support  20  can be selectively fixed in place on one of the two pairs of threaded bolts  11 . 4  or  11 . 5 . Accordingly, in the different mounting positions the mounting section  21  also is at a different distance from the flange  12 . If the two supports  20  are fastened close to the flanges  12 , the two mounting sections  21  of the supports  20  are also distant from each other. At this extended spacing it is possible to fasten components of metric dimensions on component supports  30 . The component supports  30  are designed as profiled sections having two legs  31 ,  32  which extend at right angles to each other. In this case the leg  31  rests flat on the mounting section  21 . Elongated holes  33  are cut into the leg  31 , which can be aligned with the fastening receivers  26  of the mounting section  21 . For fixing the component support  30  in place, fastening screws  34  are inserted into the elongated holes  33  and screwed into the fastening receivers  26 . The component support  30  can be variably fixed in place in various positions in the depth of the installation housing in accordance with the grid of fastening receivers  26 . 
     Furthermore, by means of the elongated holes  33 , the component support  30  can also be adjusted continuously in a direction of the depth of the installation housing. 
     The leg  32 , which is arranged at a right angle with respect to the mounting section  21 , also has a row of fastening receivers  35 , which are punched out of the leg  32  in the form of square openings. The components can be fastened on the fastening receivers  35 . If, in place of components of metric dimensions, it is intended to install components with a measurement in inches, it is necessary to move the supports  20 . For this purpose the support base  23  is screwed together with the threaded bolt  11 . 5 . Accordingly, the supports  20  now are only apart from each other by a little distance. This distance then corresponds to the structural measurement by inches of the components. 
     A fastening shoulder  37  adjoins the leg  31  by means of a strip  36 . The fastening shoulder  37  has fastening receivers  37 . 1  for fixing built-ins in place. 
     As FIG. 2 shows, a cover  40  can be placed on the base element  10 . The cover  40  is designed hoodlike and has two lateral walls  43 , a bottom side  41  and a cover side  48 . At the front, the lateral walls  43  and the bottom, or respectively the cover sides  41 ,  48  terminate in angled-off edges  43 . 1 ,  41 . 1 . A door  50  can be hinged on the vertically extending edge  43 . 1  of the left lateral wall  43 . The door  50  has a door frame  51 , into which a window  53  is adhered. Hinge holders  47  are used for fixing the door  50  in place. 
     The design of the hinges is shown in greater detail in FIG. 2 by two details. The hinge holder  47  can be seen as a slit  47 . 1  in these representations. In the center the slit  47 . 1  is widened by a screw receptacle  47 . 2 . The hinge is fastened on the door frame  51  with a first hinge element  60 . 1 . In cross section, the door frame  51  has two legs  51 . 1 ,  51 . 3 , which extend parallel with each other and are connected by a connecting section  51 . 2 . The hinge element  60 . 1  is fixed by welding on the leg  51 . 3 . The second hinge element  60  is connected with the first hinge element  60 . 1  by means of a hinge pin. Adjoining the hinge pin, the second hinge element  60  has a spacer element  60 . 2 . The spacer element  60 . 2  extends beyond the leg  51 . 3 . Adjoining the spacer element  60 . 2 , the second hinge element  60  has a right-angled flange, which transitions into a fastening section  60 . 3 . The fastening section  60 . 3  extends parallel with the spacer element  60 . 2 . 
     The fastening section  60 . 3  has inclined areas  60 . 4  on the two horizontally extending sides. The inclined areas  60 . 4  simplify the threading of the fastening section  60 . 3  into the slit  47 . 1 . When the fastening section  60 . 3  is pushed into the slit  47 . 1 , its back rests against the edge  43 . 1 . A screw  60 . 5  is inserted into a screw receptacle of the fastening section  60 . 3 . This screw  60 . 5  rests against the screw receptacle  47 . 2 . For fixing the hinge in place, the screw  60 . 5  is displaced in the direction toward the edge  43 . 1  until its screw head is braced against the edge  43 . 1 . 
     The unit comprising the cover  40  and the door  50  can be pushed on the base element  10  over the supports  20 . In the process the lateral walls  43  extend over the flanges  12 . With the cover  40  pushed on, the bottom side and the cover side  48  are passed through the slits  15  by means of angled-off elements  49 . In this way the bottom side  41 , or respectively the cover side  48 , rests against the insides of the edges  13 . Locks  44  are provided on both lateral walls  43  for fixing the cover  40  in place. The locks  44  have hook elements, which can be turned behind the locking elements  12 . 1 , as shown in FIG.  1 . When the cover  40  is placed, its inside rests on the support sections  25  of the supports  20 . The support sections  25  extend behind the cover in the area of the flanges of the bottom side  49 , or respectively cover side  48 . Because the support sections  25  extend over the entire depth of the mounting section  2   1 , the cover  40  can be pushed on simply and without tilting. 
     A cover  40  as shown in FIG. 3, which essentially corresponds to the cover  40  in FIG.  2 . In contrast to the cover in accordance with FIG. 2, the cover  40  of FIG. 3 does not have slit-shaped hinge holders  47 . Bores  45  for the hinges are provided instead. As can be seen from FIG. 3, the lateral walls  43  have horizontal fastening flanges  43 . 2 , which are provided with bores  43 . 4 . The edge  43 . 1  is angled of the front of the lateral wall. The bottom side  41  and the cover side  48  also have horizontal fastening flanges  41 . 2 . Stud bolts  41 . 3  are placed on the fastening flanges  43 . 2 . The bottom side  41 , or respectively the cover side  48 , is closed at the front by means of the edge  41 . 1 . The bottom side  41  and the cover side  48  are identically embodied. The two lateral walls  43  are also identically embodied. 
     For installing the cover, the lateral walls  43  with their fastening flanges  43 . 2  are placed on the fastening flanges  41 . 2  of the bottom and the cover sides  41 , or respectively  48 . In the process the stud bolts  41 . 3  pass through the bores  43 . 4 . Nuts are screwed on the stud bolts  41 . 3  for fastening.