WO2001035795A1

WO2001035795A1 - Sheet metal cabinet comprising a body composed of several sheet metal panels

Info

Publication number: WO2001035795A1
Application number: PCT/EP2000/011077
Authority: WO
Inventors: Mario Erb; Franz Hantl; Olaf Krebs; Martin Sorn; Siegfried Wohlsecker
Original assignee: Blanco Gmbh + Co Kg
Priority date: 1999-11-13
Filing date: 2000-11-09
Publication date: 2001-05-25
Also published as: AU1520401A; DE19954677A1

Abstract

The aim of the invention is to produce a sheet metal cabinet comprising a body composed of several sheet metal panels. Said body can be assembled in an easy and quick manner. At least one of the sheet metal panels is fixed to at least two of the additional sheet metal panels of the body by means of at least one locking element and by locking.

Description

SHEET CABINET WITH A BODY COMPOSED OF SEVERAL SHEET PANELS

The present invention relates to a sheet metal cabinet with a body composed of several sheet metal panels.

Such sheet metal cabinets are known from the prior art.

In particular, sheet metal cabinets are known in which the sheet metal panels are fixed to one another to form the body by riveting, welding, folding, gluing, by screwing with sheet metal screws or with rivet nuts or threaded clips.

In the known sheet metal cabinets it is disadvantageous that the types of connection described above either do not guarantee a reliable connection, require a great deal of assembly time or require additional small parts for the assembly which can easily be lost.

The present invention is therefore based on the object of creating a sheet metal cabinet of the type mentioned at the outset, the body of which can be assembled quickly and easily.

This object is achieved according to the invention in a sheet metal cabinet with the features of the preamble of claim 1 in that at least one of the sheet metal panels is secured to at least two further of the sheet metal panels of the body by means of at least one latching element by latching.

The concept according to the invention has the advantage that a snap-in connection between the sheet metal panels can be produced without additional small parts such as nuts or screws and without special tools, so that both the cost of materials and the time required for the assembly of the sheet metal cabinet are reduced.

In order to increase the rigidity of the cabinet construction, it is advantageous if the latched sheet metal panel is locked in place on an essentially rectangular body frame, which is formed by several of the remaining sheet metal panels. In particular, it can be provided that a rigid body frame is formed from a floor panel and a ceiling wall panel and from two side wall panels, which are connected to the floor panel and to the ceiling wall panel by means of connecting elements accommodated in channels of these panels formed by bends. A rear wall panel can be locked in place on the rectangular body frame. A body formed from such a rectangular body frame and a latched rear wall panel has a particularly high level of dimensional stability.

No details have yet been given on the type of locking connection.

Thus, it can be provided that the latched sheet metal panel is provided with latching elements which, in the latched state, engage in latching holes provided on the further sheet metal panels.

As an alternative to this, it can be provided that the latched sheet metal panel is provided with latching elements which behind the folded areas of the other sheet metal panels.

Furthermore, it is advantageous if the latching elements are arranged on bent areas of the latched sheet metal panel. In this case, the locking elements can be deflected in a simple manner transversely to the locking direction, along which the metal panel to be locked is moved into its locked position, when the sheet metal panel to be locked is mounted on the body, which is necessary since the locking elements surround the same Protect areas of the sheet metal panel to be locked. The simply bent areas of the sheet metal panel to be locked can be deflected transversely to the locking direction due to the elasticity of the sheet metal from which the sheet metal panel to be locked is formed.

In order to make the latching of the latched sheet metal panel on the body as irreversible as possible, it is favorable if the latching elements are asymmetrical with respect to an apex plane thereof. This ensures that the locked sheet metal panel cannot be unlocked from the other sheet metal panels again, or only with the application of a force that is considerably higher than the force required to lock the sheet metal panel onto the other sheet metal panels.

In particular, it can be provided that the locking elements each have a contact surface and a locking surface, the locking surface with the locking direction, along which the sheet metal panel to be locked into that with the other sheet metal panels is brought into a locked position, encloses a larger angle than the contact surface.

It when the locking surface with the locking direction forms an angle of more than approximately 45 °, preferably almost 90 °, and that the contact surface with the locking direction includes an angle of less than approximately 45 °, preferably less than approximately 30 °, is particularly favorable ,

Further features and advantages of the invention are the subject of the following description and drawing of exemplary embodiments.

The drawings show:

Figure 1 is a perspective view of the body of a sheet metal cabinet in the fully assembled state.

FIG. 2 shows an exploded view of the body from FIG. 1;

3 shows a perspective illustration of a connecting element;

Fig. 4 is a perspective view similar to Figure 3, but with the cap part attached and showing hidden lines.

5 shows a perspective illustration of the connecting element from FIG. 4, but with a different viewing direction and with the cap part lifted off;

6 is a perspective view of the cap part;

FIG. 7 shows a front view of the connecting element from FIG. 4;

FIG. 8 shows a plan view of the connecting element from FIG. 4;

FIG. 9 shows a side view of the connecting element from FIG. 4;

10 shows a perspective illustration of the connecting element and sheet metal panels to be connected by means of the connecting element before assembly;

11 shows a perspective illustration of the connecting element and the sheet metal panels connected to it after assembly;

FIG. 12 is a perspective view similar to FIG. 11, but showing hidden lines;

13 shows a perspective illustration similar to FIG. 11, but with an additional ceiling covering panel;

14 shows a cross section through a first contact body and a docking body of the connecting element along the line 14-14 in FIG. 12;

15 shows a cross section through a second contact body of the connecting element along the line 15-15 in FIG. 12;

16 is a perspective view of a rear wall panel, a side wall panel and an inner wall panel of the sheet metal cabinet before assembly;

17 shows a perspective illustration of the rear wall panel, the side wall panel and the inner wall panel of the sheet metal cabinet after assembly;

FIG. 18 shows a plan view from below of the rear wall panel, the side wall panel and the inner wall panel from FIG. 17 in the assembled state;

FIG. 19 shows an enlarged illustration of the region designated by I in FIG. 16;

Fig. 20 is a horizontal section along the line 20-20 in Fig. 17;

Fig. 21 is a horizontal section along the line 21-21 in Fig. 17;

FIG. 22 is an enlarged view of the area designated II in FIG. 17;

Fig. 23 is a horizontal section along the line 23-23 in Fig. 17;

24 shows a perspective illustration of a second embodiment of a connecting element; Fig. 25 is a front view of the connector of Fig. 24;

26 shows a perspective illustration of the connecting element from FIGS. 24 and 25 and two sheet metal panels to be connected to this connecting element prior to assembly;

27 shows a perspective illustration of the connecting element and the sheet metal panels from FIG. 26 after assembly; and

Fig. 28 is a perspective view similar to Fig. 27, but showing hidden lines.

Identical or functionally equivalent elements are designated with the same reference symbols in all figures.

A first embodiment of a sheet metal cabinet shown as a whole as shown in FIGS. 1 to 23 comprises an essentially cuboid body 102, which consists of a horizontal floor panel 104, a vertical left side wall panel 106a, a vertical right side wall panel 106b, a horizontal ceiling wall panel 108 and a vertical rear panel 110 is assembled (see in particular FIGS. 1 and 2).

A door forming a front boundary of the sheet metal cabinet 100 is not shown in the figures.

As can be seen from FIG. 1, the floor panel 104 is at its four corners by means of a connecting element in each case 112 connected to the left side wall panel 106a or to the right side wall panel 106b.

Likewise, the ceiling wall panel 108 is connected at its four corners to the left side wall panel 106a and to the right side wall panel 106b, respectively, by means of a connecting element 112.

As a result, the floor panel 104, the two side wall panels 106a, 106b and the ceiling wall panel 108 together form a substantially rectangular body frame 114, on which the rear wall panel 110 and a rectangular, horizontal ceiling cladding panel 116 (see FIG. 2) are fixed by locking , which will be described in more detail below.

The connections between the floor panel 104 and the ceiling wall panel 108 on the one hand and the side wall panels 106a, 106b on the other hand by means of the connecting elements 112 are explained in more detail below using the example of the connection between the front edge of the ceiling wall panel 108 and the front edge of the right side wall panel 106b.

As can be seen from FIG. 10, the ceiling wall panel 108 comprises a substantially rectangular, flat, non-chamfered area 118, which is aligned horizontally in the assembled state of the sheet metal cabinet 100. The front edge of the non-folded area 118 is bordered along a front first folding line 120 by a vertical first simply folded area 122, which extends perpendicularly to the non-folded area 118 upwards. At the upper edge of the first single-folded area 122, along a second folding line 124, there is a double-folded area 126, which extends perpendicular to the first single-folded area 122 in the horizontal direction towards the center of the ceiling wall panel 108.

The inner edge of the double-folded area 126 is bordered along a third folding line 128 by a triple-folded area 130, which extends perpendicularly to the double-folded area 126 downwards in the direction of the non-folded area 118 of the ceiling wall panel 108 without closing the latter to reach.

It should be noted that the fold lines 120, 124 and 128 are not sharp lines due to the finite bending radii of the folds, but have a certain extent perpendicular to their longitudinal direction.

As can best be seen from the cross section of FIG. 14, the non-folded area 118, the first single-folded area 122, the double-folded area 126 and the triple-folded area 130 of the ceiling wall panel 108 together form a parallel to the front edge of the top wall panel 108 extending channel 132, the interior 134 of which communicates with the outside of the channel 132 via a gap 134 formed between the lower edge of the triple-folded area 130 and the top of the non-folded area 118.

A right lateral edge of the non-folded area 118 of the ceiling wall panel 108 borders on the non-folded folded area 118 of the ceiling wall panel 108 along a lateral first folding line 136 to a second simply folded area 138 (see FIG. 10), which extends downwards perpendicularly to the non-folded area 118 of the ceiling wall panel 108.

The right side wall panel 106b comprises a substantially rectangular, flat, non-folded area 140, which is oriented vertically in the assembled state of the sheet metal cabinet 100.

A first simply bent area 144 of the side wall panel 106b, which extends to the left perpendicular to the non-folded area 140, borders on a front edge of the non-folded area 140 along a front first bent line 142.

As can best be seen from the cross section of FIG. 15, a double-folded area 148 of the side wall panel 106b adjoins a left edge of the first single-folded area 144 along a second folding line 146, which area perpendicular to the first single-folded area 144 extends backwards.

A triple-folded area 152 of the side wall panel 106b adjoins a rear edge of the double-folded area 148 along a third folding line 150, which extends perpendicular to the double-folded area 148 to the right in the direction of the non-folded area 140 of the side wall panel 106b. without reaching the latter. As can be seen from FIG. 15, the non-folded area 140, the first single-folded area 144, the double-folded area 148 and the triple-folded area 152 of the side wall panel 106b together form a channel 154, the interior 156 of which extends between the right one The edge of the triple-folded area 152 and the inside of the non-folded area 140 of the side wall panel 106b gap 158 is connected to the outside of the channel 154.

As can be seen from FIG. 10, the side wall panel 106b further comprises a second simply folded area 160 which adjoins an upper edge of the non-folded area 140 along an upper first folded line 162 and extends to the left perpendicular to the non-folded area 140 ,

The connecting element 112 which serves to connect the ceiling wall panel 108 to the side wall panel 106b is described below with reference to FIGS. 3 to 9 (note: FIGS. 3 to 9 show a connecting element 112 mirrored to the connecting element 112 from FIG. 10). ,

The connecting element 112 comprises a substantially cuboid-shaped first contact body 164, the longitudinal axis 166 of which is oriented horizontally in the assembled state of the sheet metal cabinet 100, and a likewise substantially cuboid-shaped second contact body 168, the longitudinal axis 171 of which is essentially in the assembled state of the sheet metal cabinet 100 is aligned vertically. The first contact body 164 and the second contact body 168 are formed in one piece with one another and together form an angled base body 169 of the connecting element 112.

The first contact body 164 of the connecting element 112 has a flat first contact surface 170 aligned parallel to its longitudinal axis 166, a flat second contact surface 172 aligned parallel to the longitudinal axis 166 and perpendicular to the first contact surface 170, one aligned parallel to the longitudinal axis 166 and parallel to the second contact surface 172 , above the second contact surface 172, a third contact surface 174 and a fourth contact surface 176 which is oriented parallel to the longitudinal axis 166 and parallel to the first contact surface 170 and is spaced apart from the first contact surface 170.

The first contact surface 170 and the second contact surface 172 of the first contact body 164 are connected via a first bevel surface 178 which extends parallel to the longitudinal axis 166 and is at an angle of 45 ° to the first contact surface 170 and the second contact surface 172.

The first contact surface 170 and the third contact surface 174 are connected via a second bevel surface 180, which extends parallel to the longitudinal axis 166 and which in each case forms an angle of 45 ° with the first contact surface 170 and the third contact surface 174.

Via a web 182, the first contact body 164 of the connecting element 112 is connected to a cuboid docking body 184, which is parallel to the longitudinal axis 166 of the first contact body 164 at a distance from the first contact element. body 164 extends, an underside 186 of the docking body 184 being aligned with the second contact surface 172 of the first contact body 164 and an upper side 188 of the docking body 184 being aligned with the third contact surface 174 of the first contact body 164.

The fourth contact surface 176 of the first contact body 164 and an inner side 190 of the docking body 184 facing the first contact body 164 are separated from one another by a groove 192 extending parallel to the longitudinal axis 166.

As can best be seen from FIG. 7, the docking body 184 is provided with a plurality of, for example three, threaded through holes 194 which penetrate the docking body 184 perpendicularly to its longitudinal axis from the top 188 to the bottom 186 and at their top end in each case are provided with a chamfer 196.

The first contact body 164 is also provided with two threaded blind holes 198a, 198b which extend from the first contact surface 170 of the first contact body 164 perpendicular to the longitudinal axis 166 into the first contact body 164 and are provided with chamfers 200 at their outer end.

The first threaded blind hole 198a is arranged in the extension of the second contact body 168, while the second threaded blind hole 198b is spaced apart from the first threaded blind hole 198a along the longitudinal axis 166 of the first contact body 164.

The second contact body 168 of the connecting element 112 has a parallel to the longitudinal axis 171 of the second contact body 168 aligned fifth contact surface 202, which is aligned with the first contact surface 170.

Furthermore, the second contact body 168 has a sixth contact surface 204 oriented parallel to its longitudinal axis 171 and perpendicular to the fifth contact surface 202, which is oriented perpendicular to the second contact surface 172 of the first contact body 164 and from the latter by a perpendicular to the longitudinal axis 171 of the second contact body 168 and perpendicular groove 206 extending to the longitudinal axis 166 of the first contact body 164 is separated.

Furthermore, the second contact body 168 has a seventh contact surface 208 which is aligned parallel to its longitudinal axis 171 and perpendicular to the fifth contact surface 202 and runs parallel to the sixth contact surface 204 at a distance therefrom.

Finally, the second contact body 168 has an eighth contact surface 210 oriented parallel to its longitudinal axis 171 and perpendicular to the sixth contact surface 204 and perpendicular to the seventh contact surface 208, which runs parallel to the fifth contact surface 202 at a distance therefrom.

The fifth contact surface 202 and the sixth contact surface 204 are connected to one another via a third chamfering surface 212, which extends parallel to the longitudinal axis 171 of the second contact body 168 and which in each case forms an angle of 45 ° with the fifth contact surface 202 and the sixth contact surface 204. The fifth contact surface 202 and the seventh contact surface 208 are connected to one another via a fourth chamfering surface 214, which extends parallel to the longitudinal axis 171 of the second contact body 168 and which in each case forms an angle of 45 ° with the fifth contact surface 202 and the seventh contact surface 208.

The seventh contact surface 208 and the eighth contact surface 210 are connected to one another via a fifth chamfering surface 216 which extends parallel to the longitudinal axis 171 of the second contact body 168 and which each encloses the seventh contact surface 208 and the eighth contact surface 210 at an angle of 45 °.

The eighth contact surface 210 and the sixth contact surface 204 are connected to one another via a sixth chamfering surface 218, which extends parallel to the longitudinal axis 171 of the second contact body 168 and which each encloses an angle of 45 ° with the eighth contact surface 210 and the sixth contact surface 204.

Furthermore, the connecting element 112 comprises a cap part 220, which is shown in detail in FIG. 6.

The cap part 220 comprises an essentially cuboid-shaped base 222 and an attachment 224 carried by the base 222, which projects over the base 222 on three sides and is aligned with the base 222 on the fourth side. The side surface of the attachment 224, which is aligned with the associated side surface of the base 222, forms a first abutment surface 226 of the cap part 220. Another side surface of the attachment 224, which is oriented perpendicular to the first abutment surface 226, forms a second abutment surface 228.

The underside of the attachment 224 protruding beyond the base 222 forms a third abutment surface 230 of the cap part 220.

The side surfaces of the attachment 224 of the cap part 220 respectively opposite the first abutment surface 226 and the second abutment surface 228 are curved in the shape of a quarter circle in cross section.

Furthermore, the cap part is provided with a cylindrical through-hole 232 which passes through the cap part 220 from the top 234 of the attachment 224 to the bottom 236 of the base 222.

As can best be seen from FIG. 5, the top of the first contact body 164 has a recess 238, the horizontal cross section of which corresponds to the cross section of the base 222 of the cap part 220, so that the cap part 220 with the base 222 ahead into the recess 238 can be used and is held in the same by friction.

When the cap part 220 is inserted into the recess 238, the through bore 232 of the cap part 220 is aligned with a blind hole 240 which opens into the recess 238 and extends downward into the base body 169 of the connecting element 212.

In the embodiment of a sheet metal cabinet 100 described here, it is provided that the cap part 220 has a separate rates part, which can be inserted into the base body 169 of the connecting element 112. This offers the advantage that only the cap part 220 has to be painted and, if necessary, this cap part can be exchanged for another with a color matching the metal panels to be connected to one another.

Using the connecting element 112 described above, the ceiling wall panel 108 and the right side wall panel 106b are connected as follows:

The second contact body 168 of the connecting element 112 is inserted with its end facing away from the first contact body 164 into the channel 154 of the side wall panel 106b until the first threaded blind hole 198a is aligned with a through opening 246 arranged in the first simply bent region 144 of the side wall panel 106b.

The bevels on the second contact body 168 facilitate the insertion of the second contact body 168 into the channel 154.

Subsequently, the first contact body 164 of the connecting element 112, with its end facing away from the second contact body 168, is pushed forward into the channel 132 of the ceiling wall panel 108 until the second threaded blind hole 198b with a through opening arranged in the first simply bent region 122 of the ceiling wall panel 108 244 escapes.

The bevels on the first contact body 164 facilitate the introduction of the first contact body 164 into the channel 132.

The through openings 244 and 246, like the threaded blind holes 198a, 198b, are chamfered.

The side wall panel 106b and the connecting element 112 are now connected to one another by means of a hexagon socket screw 246a with a countersunk head, which is screwed into the threaded blind hole 198a through the through opening 246. Due to the interaction of the countersunk head of the hexagon socket screw 248a with the bevel of the through opening 246 and the chamfer 200 of the threaded blind hole 198a, the through opening 246 and the threaded blind hole 246a are aligned exactly coaxially to one another when the Allen screw 248a is tightened. The side wall panel 106b moves relative to the connecting element 112 until the upper edges of the non-folded area 140 and of the first simply folded area 144 of the side wall panel 106b on the third abutment surface 230 of the cap part 220 and a front edge of the second simply folded area 160 of the Bump sidewall panels 106b against the second abutment surface 228 of the cap portion 220.

The ceiling wall panel 108 and the connecting element 112 are then connected to one another by means of a further hexagon socket screw 248b with countersunk head, in that the hexagon socket screw 248b is screwed through the through opening 244 into the threaded blind hole 198b.

When the hexagon socket screw 248b is screwed in, through the interaction of the countersunk head of the hexagon socket screw 248b with the beveled through opening 244 and the chamfer 200 of the threaded blind hole 198b, the through holes Opening 244 and the threaded blind hole 198b are exactly coaxially aligned. In this case, the ceiling wall panel 108 is displaced relative to the connecting element 112 until the right edge of the non-folded area 118 of the ceiling wall panel 108 at the bottom of the groove 206 and the right edge of the double-folded area 126 of the ceiling wall panel 108 at the first abutment surface 226 of the cap part Toast 220.

The ceiling wall panel 108 and the side wall panel 106b are thus fixed relative to the connecting element 112 and thus relative to one another.

This fully assembled state is shown in FIGS. 11 and 12.

As can be seen from FIGS. 14 and 15, in the assembled state, the second contact surface 172 of the connecting element 112 lies on the upper side of the non-folded area 118 of the ceiling wall panel 108, and the first contact surface 170 of the connecting element 112 lies on the inside of the first simply folded Area 122 of the ceiling wall panel 108, the third contact surface 174 of the connecting element 112 on the underside of the double-edged area 126 of the ceiling wall panel 108 and the fourth contact surface 176 of the connecting element 112 on the inside of the triple-folded area 130 of the ceiling wall panel 108, so on that a good power and torque transmission from the connecting element 112 to the ceiling wall panel 108 is ensured.

Furthermore, the sixth contact surface 204 of the connecting element 112 lies on the non-bent region 140 of the side wall panel 106b, the fifth contact surface 202 of the connecting element 112 on the first single-folded area 144 of the side wall panel 106, the seventh contact surface 208 of the connecting element 112 on the double-folded area 148 of the side wall panel 106b and the eighth contact surface 210 of the connecting element 112 on the triple-folded area 152 of the side wall panel 106b in each case over the full area, so that a good force and moment transmission from the connecting element 112 to the side wall panel 106b is ensured.

The rear edge of the top wall panel 108 is a mirror image of its front edge and the rear edge of the side wall panel 106b is mirror-symmetrical to its front edge, so that the rear edges of the top wall panel 108 and the right side wall panel 106b in a corresponding manner, but with a mirror symmetry can be connected to the connecting element 112 described above.

Similarly, the front and rear edges of the top panel 108 with the front and rear edges of the left side panel 106a, the front and rear edges of the bottom panel 104 with the front and rear edges of the left side panel 106a, and the front and the the rear edge of the floor panel 104 is connected to the front and rear edges of the right side wall panel 106b to form the body frame 114.

The rear wall panel 110 is fixed to the body frame 114 by latching. This latching is described below using the example of the connection between the rear wall panel 110 and the right side wall panel 106b.

As already stated above, the rear edge of the side wall panel 106b as well as its front edge is provided with a channel 154, which is formed from the non-folded area 140, the first single-folded area 144, the double-folded area 148 and the triple-folded area 152 (see Fig. 23).

The area 148 of the side wall panel 106b which is folded twice is provided with a plurality of rectangular latching holes 250, which have their greatest extent in the vertical direction and are arranged vertically one below the other.

The rear wall panel 110 comprises a rectangular, flat, non-folded area 252, which is aligned vertically in the assembled state of the sheet metal cabinet 100.

On its right edge adjoins the non-beveled area 252 along a first bevel line 254, a simply beveled area 256 which extends to the rear perpendicular to the non-beveled area 252.

A double-folded area 260 of the rear wall panel 110 adjoins a rear edge of the simply folded area 256 along a second folding line 258 and extends to the right perpendicular to the single-folded area 256. The simply folded area 256 of the rear wall panel 110 is embossed with a number of so-called gills 262, the position and number of which corresponds to that of the locking holes 250 in the double-folded area 148 of the right side wall panel 106b.

As can be seen from FIG. 23, these gills have an essentially triangular cross-section and are composed of a run-up surface 264 facing the non-bent region 252 and a latching surface 266 facing away from the non-bent region 252, which is located on a vertically directed apex line Touch 268.

The contact surface 264 encloses a relatively small angle of, for example, 30 ° with the plane of the simply folded region 256 of the rear wall panel 110 (and thus with the latching direction 267, along which the rear wall panel 110 is moved into its position locked on the side wall panel 106b), while the Locking surface 266 with the plane of the simply folded area 256 (and thus with the locking direction 267) encloses a comparatively large angle of almost 90 °. The gills 262 are thus asymmetrical with respect to the apex plane 269 running perpendicular to the latching direction 267 through the apex line 268.

As can be seen from FIG. 16, all four edges of the rear wall panel 110 are provided with such gills 262. Furthermore, all rear edges of the side wall panels 106a, 106b, the floor panel 104 and the ceiling wall panel 108 are provided with locking holes 250 corresponding to the gills 262 in terms of their position and extent. When the rear wall panel 110 is assembled, the same is inserted with the non-folded area 252 first between the channels 132, 154 formed on the rear edges of the side wall panels 106a, 106b, the floor panel 104 and the ceiling wall panel 108, so that, for example, the simply folded area 256 of the Rear wall panel 110 bears on the twice-bent region 248 of the right side wall panel 106b.

As soon as the contact surfaces 264 of the gills 262 come into contact with the double-folded area 148 of the side wall panel 106b when the rear wall panel 110 is pushed in, the single-folded area 256 of the rear wall panel 110 is increasingly pushed away from the double-folded area 148 of the side wall panel 106b, since the gills Project 262 beyond the plane of the outside of the simply chamfered area 256. This slight deformation of the rear wall panel 110 is possible due to the elasticity of the sheet metal from which the rear wall panel 110 is formed.

The indentation process is ended as soon as the apex lines 268 of the gills 262 come into contact with the twice-bent region 148. If the rear wall panel 110 is now moved further until the apex lines 268 of the gills 262 reach the rear edges of the latching holes 250, the gills 262 latch into the latching holes 250. At the same time, the double-bent area 260 of the rear wall panel 110 comes to bear on the single-folded area 144 of the side wall panel 106b, so that the rear wall panel 110 cannot be moved any further into the body frame 114. Moving the rear wall panel 110 out of the body frame 114 is also no longer possible, since the latching surfaces 266 of the gills 262 abut the rear edges of the latching holes 250 and the latching surfaces 266 are too steep to pull the gills 262 out of the rear wall panel 110 To be able to move out locking holes 250.

The snap-in process of the rear wall panel 110 on the body frame 114 is therefore irreversible, and the rear wall panel 110 is securely attached to the body frame 114 after the snap-in.

The ceiling cladding panel 116 is inserted between the channels 132 of the ceiling wall panel 108 in a corresponding manner and latched to it, like the rear wall panel 110 on the body frame 114.

As can best be seen from FIG. 2, the ceiling cladding panel 116 comprises a rectangular, flat, non-chamfered area 270, which is aligned horizontally in the assembled state of the sheet metal cabinet 100.

At all edges of the non-chamfered area 270, simply chamfered areas 274 of the ceiling covering panel 116 adjoin along first folding lines 272, which areas extend downwards perpendicular to the non-chamfered area 270.

The simply folded areas 274 running along the front and rear edges of the ceiling panel 116 are each provided with a plurality of gills 262 ' as well as the gills of the rear panel 110 are formed.

These gills 262 ′ interact when the ceiling covering panel 116 is snapped onto the ceiling wall panel 108 with locking holes (not shown) in the triple-bent regions 130 of the ceiling wall panel 108, in order to irreversibly lock the ceiling covering panel 116 onto the ceiling wall panel 108.

As can be seen from FIGS. 13 and 14, the ceiling cladding panel 116 covers the docking body 184 of the connecting elements 112 which are fixed to the ceiling wall panel 108 in the assembled state. The underside of the non-folded area 270 of the ceiling trim panel 116 lies flat on the top 188 of the respective docking body 184, while the front and rear simply folded areas 274 of the ceiling trim panel 116 into the groove 192 between the first contact body 164 and the docking body 184 of the relevant connecting element 112 engage and lie flat on their outside against the triple-bent regions 130 of the ceiling wall panel 108.

Another sheet metal cabinet can be placed on top of the sheet metal cabinet 100, the sheet metal cabinets arranged one above the other by means of connecting pins (not shown) which, before the additional sheet metal cabinet is placed, through the through-hole 232 of the cap part 220 on the connecting element 112 of the lower sheet metal cabinet 100 into the blind hole 240 are inserted and after the further sheet metal cabinet is placed on the lower sheet metal cabinet 100 has been set, through the through hole in the cap part of the connecting element of the sheet metal cabinet arranged above it, into the blind hole arranged in it, are secured against relative movement to one another in the horizontal direction.

The docking bodies 184 of the connecting elements 112, through which the floor panel 104 is connected to the side wall panels 106a, 106b, are freely accessible after the assembly of the body 102, so that the downward-pointing threaded through holes 194 on these docking bodies 184 can be used for this purpose, by means of suitable fastening means to fix additional parts, such as support parts or bearing blocks for rollers of the sheet metal cabinet 100, on the underside of the sheet metal cabinet 100.

After the body 102 of the sheet metal cabinet 100 has been assembled, exchangeable inner wall panels 276 can be detachably fixed to the side wall panels 106a, 106b from the inside of the body 102.

As can best be seen from FIG. 16, each of the inner wall panels 276 comprises a rectangular, flat, non-folded region 278, which is oriented vertically in the assembled state of the sheet metal cabinet 100.

At all four edges of the non-chamfered area 278 there are simply chamfered areas 282 adjoining the same along first chamfer lines 280, which areas extend perpendicular to the non-chamfered area 278 towards the respective side wall panel 106a, 106b. The vertically oriented front and rear simply beveled regions 282 of each inner wall panel 276 are provided with a plurality of beads 284 which extend vertically and are arranged one above the other, one of which is shown in detail in FIG. 19.

These beads 284 produced by embossing have a mirror-symmetrical cross section with respect to their apex plane 286 (see FIGS. 20 and 21) and are each composed of a run-up surface 288 facing away from the non-folded area 278 of the inner wall panel 276 and a non-folded area 278 of the inner wall panel 276 facing locking surface 290 together, which touch each other on an apex line 292 of the respective bead 284 and are both S-shaped in cross section.

A plurality of latching holes 294, which extend in the vertical direction, are arranged in each case on the regions 152 of the side wall panels 106a, 106b which are folded over three times.

In order to detachably fix an inner wall panel 276 to the respectively assigned side wall panel 106a, 106b, the inner wall panel 276 with the simply beveled areas 282 is inserted between the channels 154 of the respective side wall panel 106a, 106b.

As soon as the contact surfaces 288 of the beads 284 on the inner wall panel 276 come into contact with the triple-folded areas 152 of the side wall panel 106a, 106b, when the inner wall panel 276 is pushed in further, its single-folded areas 282 are increasingly pressed inward away from the respective triple-folded area 152 , until the Vertex lines 292 of the beads 284 come into contact with the triple-bent areas 152.

The necessary deformation of the inner wall panel 276 is possible due to the elasticity of the sheet from which it is made.

If the beads 284 get into the area of the locking holes 294 when the inner wall panel 276 is pushed in further, the beads 284 snap into these locking holes 294, so that the inner wall panel 276 is fixed to the relevant side wall panel 106a, 106b by locking. In this state, the sides of the non-folded area 278 of the inner wall panel 276 facing the interior of the sheet metal cabinet 100 and the double-folded areas 148 of the relevant side wall panel 106a, 106b are flush with one another.

Since the latching surface 290 of each bead 284, like the contact surface 288, initially only rises flat from the plane of the simply beveled area 282, the inner wall panel 276 can be applied using the same force that is used to latch the inner wall panel 276 when it is mounted on the respective side wall panel 106a, 106b is required, unlatched again and removed from the relevant side wall panel 106a, 106b.

It is thus possible in a simple manner to replace an inner wall panel 276 with another inner wall panel.

Furthermore, this exchange can take place from the inside of the body 102 of the sheet metal cabinet 100, without this previous disassembly of components of the body 102 would be required.

The exchange of inner wall panels 276 can therefore take place directly at the installation site of the sheet metal cabinet 100 without the sheet metal cabinet 100 having to be moved from a wall in front of which it is set up, for example, or from adjacent cabinets.

The inner wall panels 176 can, as shown in FIGS. 16 and 17, be provided with a hole pattern 296 at their non-folded area 278 in order, for example, to hang shelves of the sheet metal cabinet 100 on the inner wall panels 276.

However, the inner wall panels can also be provided with guide rails for inserting the sheet metal cabinet 100 or can be designed with a continuously smooth, non-chamfered region 278, which is neither provided with a perforated grid nor with any internals.

In order to enable a simple exchange of the inner wall panels, however, it is advantageous if the non-folded area 278 thereof is provided with at least one opening, into which a suitable tool can be used, in order to exert a tensile force on the inner wall panel 276 to move the inner wall panel out 276 from the position locked with the respective side wall panel 106a, 106b.

Instead of snapping the beads 284 of the inner wall panels 276 into latching holes 294 on the side wall panels 106a, 106b, it can also be provided that the beads 284 in the latching Position reach behind the free edges of the triple-folded areas 152 of the side wall panels 106a, 106b.

A second embodiment of the sheet metal cabinet 100 shown in FIGS. 24 to 28 differs from the first embodiment described above in that a modified connecting element 112 'is used to fix the ceiling wall panel 108 and the floor panel 104 to the side wall panels 106a and 106b, which instead an angled base body with two abutment bodies 164, 168 comprises only a single essentially cuboid abutment body 164 '.

As can be seen in particular from FIGS. 24 and 25, the contact body 164 'of the connecting element 112' of the second embodiment has a first contact surface 170, a second contact surface 172, a third contact surface 174 and a fourth contact surface 176, each of which is flat and are aligned parallel to the longitudinal axis 166 of the contact body 164 '. Furthermore, the connecting element 112 'comprises an end face 298 which is oriented perpendicular to the longitudinal axis 166.

Adjacent abutment surfaces of the connecting element 112 'are connected to one another in each case via bevel surfaces 300, which each enclose an angle of 45 ° with the adjoining contact surfaces.

On the first contact surface 170, the connecting element 112 ′ is provided with a first threaded blind hole 198a and a second threaded blind hole 198b, the mouth openings of which are each provided with chamfers 200.

By means of the connecting element 112 'described above, two sheet metal panels to be connected to one another, for example the ceiling wall panel 108 and the right side wall panel 106b, are connected to one another by first placing the side wall panel 106b on the connecting element 112' in such a way that the first threaded blind hole 198a with the beveled Through opening 246 in the first simply folded area 144 of the side wall panel 106b is aligned.

Subsequently, the connecting element 112 ', with its end opposite the front contact surface 298, is inserted first into the channel 132 of the ceiling wall panel 108 until the second threaded blind hole 198b is flush with the beveled through opening 244 in the first simply bent area 122 of the ceiling wall panel 108 (see FIG . 26).

The ceiling wall panel 108 is then fastened to the connecting element 112 'by means of an Allen screw 248b which is screwed through the through opening 244 into the threaded blind hole 298b.

The side wall panel 106b is fixed to the connecting element 112 'by means of an Allen screw 248a, which is screwed into the threaded blind hole 198a through the through opening 246.

The ceiling wall panel 108 and the side wall panel 106b are thus fixed relative to one another.

As can be seen in particular from FIG. 28, the first contact surface 170 of the connecting element 112 ′ lies in the assembled position Condition flat on the inside of the first simply folded area 122 of the ceiling wall panel 108 and on the first simply folded area 144 of the side wall panel 106b.

The second contact surface 172 of the connecting element 112 'lies flat against the upper side of the area 118 of the ceiling wall panel 108 which has not been folded.

The third contact surface 174 of the connecting element 112 'lies flat against the underside of the double-folded area 126 of the ceiling wall panel 108 and on the underside of the second single-folded area 160 of the side wall panel 106b.

The fourth contact surface 176 of the connecting element 112 ′ lies against the inside of the triple-folded area 130 of the ceiling wall panel 108.

The face-side contact surface 298 of the connecting element 112 'lies flat against the area 140 of the side wall panel 106b which is not folded.

This ensures a good transmission of force and torque from the connecting element 112 'to the ceiling wall panel 108 and to the side wall panel 106b.

The remaining connections between the ceiling wall panel 108 and the floor panel 104 on the one hand and the side wall panels 106a, 106b on the other hand are carried out in a corresponding manner in the second embodiment of the sheet metal cabinet 100. Otherwise, the second embodiment of the sheet metal cabinet 100 corresponds in structure and function to the first embodiment, to the above description of which reference is made in this regard.

Claims

PATENT CLAIMS

1. sheet metal cabinet with a body (102) composed of several sheet metal panels (104, 106a, 106b, 108, 110), characterized in that at least one of the sheet metal panels (110) on at least two further of the sheet metal panels (104, 106a, 106b, 108) of the body (102) is locked in place by means of at least one locking element (262).

2. Sheet metal cabinet according to claim 1, characterized in that the locked sheet metal panel (110) on a substantially rectangular body frame (114), which is formed by a plurality of the other sheet metal panels (104, 106a, 106b, 108), is fixed by locking.

3. Sheet metal cabinet according to one of claims 1 or 2, characterized in that the latched sheet metal panel (110) is provided with latching elements (262) which, in the latched state, are provided in latching holes (104, 106a, 106b, 108) on the further sheet metal panels (104, 106a, 106b, 108). 250) intervene.

4. Sheet metal cabinet according to one of claims 1 or 2, characterized in that the latched sheet metal panel (110) is provided with locking elements (262) which engage behind bent areas of the further sheet metal panels in the locked state.

5. Sheet metal cabinet according to one of claims 1 to 4, characterized in that the latching elements are arranged on bent areas (256) of the latched sheet metal panel (110).

6. Sheet metal cabinet according to one of claims 1 to 5, characterized in that the latching elements (262) are asymmetrical with respect to an apex plane (286).

7. Sheet metal cabinet according to claim 6, characterized in that the latching elements (262) each have a contact surface (264) and a latching surface (266), the latching surface (266) with a latching direction, along which the sheet metal panel to be locked (110) in which is brought into the locked position with the further sheet metal panels (104, 106a, 106b, 108), encloses a larger angle than the contact surface (264).

8. Sheet metal cabinet according to claim 7, characterized in that the latching surface (266) includes an angle of more than approximately 45 ° with the latching direction and that the contact surface (264) includes an angle of less than approximately 45 ° with the latching direction.