EP2778280B1 - Housing for household devices for example, a laundry dryer, washing machine or the like - Google Patents

Description

Housing for household appliances such as a tumble dryer, a washing machine or the like.

The invention relates to a housing for household appliances such as a tumble dryer, a washing machine or the like, which includes in its basic design a floor module, a front wall and connected by a cross member side walls and a rear wall.

From the prior art are according to the DE 103 03 131 , of the DE 198 23 424 as well as the DE 38 13 462 Washing machine housing or housing for household appliances known. In these known from the prior art housings, there are different housing designs for each surface or mounting style, which requires an early variant formation in the housing structure.

In these known from the prior art housing designs, there is the disadvantage that the forces acting from the outside on the device loads are not properly distributed, the externally visible slit images are not designed to be narrow and uniform. In addition, the proposed housing shapes make assembly unfriendly and this particular concerns the installation and the fixation of the rear wall.

A housing with the features mentioned is at a in the KR 102000033336 A described washing machine known. There is also shown an opening of the rear wall and an externally accessible fixing element, which serves to fix the rear wall transversely to the horizontal and vertical orientation of the rear wall on the side walls.

Also the EP 1 533 413 A2 shows a housing of a washing machine with the features mentioned. For frameless construction of the housing, the rear wall is fixed by means of an opening on the side walls with externally accessible fixing elements, which cause a fixation of the rear wall transversely to the horizontal and vertical orientation of the rear wall on the side walls.

The invention thus raises the problem of developing a housing for household appliances such as a tumble dryer, a washing machine or a dishwasher, which should provide a simple installation of the rear wall and should absorb the acting loads, with the visible from the outside slit images designed as narrow and uniform should be. It is also required that a simple fixation of the position of the rear wall and thus the device is permanently guaranteed, said after the Disassembly of the device the previously clean set housing shape can be easily made again. In this case, the loads acting on the rear wall should be introduced as short as possible into the device, ie here into the floor module.

According to the invention the problems are solved with the features of claim 1, advantageous embodiments and modifications of the invention will become apparent from the following dependent claims.

The advantages achieved by the invention are that in a simple manner the front wall module is attached to the floor module and screwed. After mounting the drum, the rear panel is mounted from the back to the floor module. After that, the side walls become. After the housing, and thus the rear wall, is aligned, a crosshead is mounted between the side walls to stiffen the housing. Then the eccentrics are mounted and fixed. This results in a simple fixed storage of the rear wall, which is thus permanently guaranteed on the device. Also after the dismantling of the device by the customer service, the previous clean set housing shape can be easily made again.

In addition, that results from the outside loads on the back wall on the shortest possible way on the eccentric in the device, d. H. be introduced into the floor module. Due to the Exzenterfixierung arise from the outside visible slit images, which are as close as possible and evenly.

As a receptacle in the rear wall are used for the eccentric horizontal slotted holes, as the Y direction of the rear wall is already indicated on the center pin in the floor module. The center pivot is also the pivot point around which the rear wall can rotate in a certain range. The eccentrics as such are provided for freezing the aligned rear wall, ie a rotation of the rear wall is then no longer possible. The eccentrics do not specify an alignment in the height position of the rear wall. Nevertheless, the rear wall remains consciously movable in the X-direction to a small extent a few millimeters in order to be able to adapt to the tolerance of the entire device. The horizontal slots are equipped with circumferential radii for easier mounting of the eccentric. The eccentrics made of plastic thus do not sit on a thin cutting edge of the sheet, but lie on a larger smooth sheet surface, so that the surface pressure of the plastic pin on the sheet fails more favorably. Vertically acting loads are trapped on the rear wall via the two eccentrics and introduced into the ground module close to the feet. Therefore, the power flow from the rear wall over the eccentric and the floor module in the feet favorably short and straight, so that the rest of the structure of the floor module is not burdened.

The eccentrics are mounted or guided by way of guide pins integrally formed in the floor module. Furthermore, a toothed profile is attached to the eccentric, which engages in a matching counter-profile in the floor module when the eccentric comes to the end position. Thus, the eccentric can be rotated during assembly in small steps more and more until the pin cover is suitable and the eccentric can be almost force-free paste into the slot of the rear wall and then comes in the end position in the floor module. The eccentric fits in normal tolerance position in only one or two toothing positions. The gearing is engaged and the eccentric is fixed in the end position by means of a screw. The guide pin together with the screw take over the forwarding of the power flow from the eccentric into the floor module, from the floor module the power flow is directed into the feet. For customer service, the set twisted position of the two eccentrics on the rear wall can be marked before disassembly, the eccentrics have formed a visible rib for this purpose, so that the rotation of the eccentric in the assembly and disassembly is simplified. This way, after-sales service will be able to re-create exactly the same housing shape later on, without having to carry out subsequent measurements. According to the invention, this is proposed according to the features that the frameless structure of the housing, the rear wall by means of an opening arranged on a molded base module pin under a horizontally and vertically aligned Vorjustage can be attached and wherein at least one externally accessible fixing is provided between bottom module and rear wall which causes the rear wall to be fixed transversely to the horizontal and vertical orientation of the rear wall on the floor module. It goes without saying that the fitter has to thread the rear wall only for mounting on the molded pin on the floor module, then has to align in vertical and horizontal direction, where he can then fix the threaded rear wall for an end positioning with the fixing. In each case a fixation in the region of the floor module arranged support legs is provided.

According to the invention, a locked fixed position of the rear wall on the floor module is effected by means of the fixations arranged on both sides. The single fixation consists of an eccentric sleeve, which is rotatably mounted on a molded on the floor module guide pin.

By means of the eccentric sleeves arranged on both sides, the fixed position of the rear wall on the floor module can be locked, wherein on the respective eccentric sleeve, a handle for rotation is formed, which is also used as a marker for the Exzenterstellung or -lage, if after disassembly of the rear wall this again must be recognized.

According to an advantageous embodiment of the pin is formed as such as integrally formed center pin on the floor module. In addition, the space curve of the eccentric sleeve forms a system for the edge of a arranged in the rear wall horizontally aligned slot. By means of the eccentric sleeves arranged on both sides, the fixed position of the rear wall can be locked to the floor module, wherein the eccentric sleeve can be fixed relative to the guide pin by means of a screw arranged in the eccentric sleeve axis.

In an advantageous development, the eccentric sleeves and the guide pins have a slight conicity, in such a way that the eccentric sleeve can be mounted in a form-fitting manner on the guide pin. On the eccentric sleeve a tooth profile is integrally formed on the edge, which forms a positive connection with a guide pin arranged on the toothed profile ring in the fixed state.

Figur 1

eine perspektivische Teildarstellung des Gehäuses im unteren rechten Bereich, und zwar hier von der Rückseite her, wobei in explosionsartiger Darstellung das von außen zugängliche Fixierelement gezeigt wird;

Figur 2

zeigt eine untere Frontansicht der Rückwand mit dem Mittelzapfen und den beiden im Fußbereich angeordneten Fixierelementen in einer ersten Ansicht;

Figur 3

eine weitere Ansicht des unteren Bereichs der Rückwand ohne die Fixierelemente;

Figur 4

eine perspektivische Ansicht der Exzenterhülse sowie eine Draufsicht auf die Exzentrizität;

Figur 5

eine geschnittene Seitenansicht der Exzenterhülse im aufgesetztem Zustand auf den Führungszapfen mit Schraube; und

Figur 6

eine geschnittene Ansicht des Führungszapfens ohne Exzenterhülse.

Embodiments of the invention are shown purely schematically in the drawings and will be described in more detail below. It shows:

FIG. 1

a partial perspective view of the housing in the lower right area, in this case from the back, wherein in an explosive representation of the externally accessible fixing element is shown;

FIG. 2

shows a bottom front view of the rear wall with the center pin and the two arranged in the foot area fixing elements in a first view;

FIG. 3

a further view of the lower portion of the rear wall without the fixing elements;

FIG. 4

a perspective view of the eccentric sleeve and a plan view of the eccentricity;

FIG. 5

a sectional side view of the eccentric sleeve in the mounted state on the guide pin with screw; and

FIG. 6

a sectional view of the guide pin without eccentric sleeve.

The FIG. 1 shows only a portion of a housing 1 for household appliances such as a tumble dryer, a washing machine or the like, which in its basic design a floor module 2, a front wall, not shown by means of a cross member connected side walls and a rear wall 3 includes. As in particular from the synopsis of FIGS. 1 and 2 can be seen, is the frameless structure of the housing 1, the rear wall 3 by means of an opening 4 on an integrally formed on the bottom module 2 pin 5 under a horizontally and vertically aligned Vorjustage attachable. In this case, at least one externally accessible fixing element 6 is provided between the floor module 2 and the rear wall 3, which is a fixation of Rear wall 2 transversely to the horizontal and vertical orientation of the rear wall 3 on the floor module 2 causes.

In this case, each one fixing 6.1 and 6.2 in the area of arranged in the bottom module 2 supporting feet 7.1 and 7.2 is provided. With the two arranged fixings 6.1 and 6.2, a locked fixed position of the rear wall 3 to the floor module 2 can be produced. That is, when the fixings are 6.1 and 6.2 introduced, as shown in the FIG. 2 is shown, no more tilting movement about the pin 5 is possible. The movement is then virtually frozen.

As in particular from the FIGS. 2 and 3 can be seen, the pin 5 is formed as a molded center pin on the bottom module 2. The individual fixation 6.1, 6.2 consists of an eccentric sleeve 8, as in the FIG. 1 . 4 and in the FIG. 5 is shown. The eccentric sleeve 8 is in this case rotatably mounted on a formed on the bottom module 2 guide pin 9. Like from the FIG. 4 can be seen, the space curve 10 of the eccentric sleeve 8 forms a system for the edge 11 of a arranged in the rear wall 3 horizontally aligned slot 12, as shown in FIG. 3 and 4 can be seen. In this case, by means of the eccentric sleeves 8 arranged on both sides, the fixed position of the rear wall 3 on the floor module 2 can be locked. The eccentricity 8.1 of the eccentric sleeve 8 is in this case formed between the contact on the guide pin (9) and the system of the eccentric sleeve (8) on the edge (11).

Like from the FIG. 1 and 5 can be seen, the eccentric sleeve 8 by means of an eccentric sleeve 8 axially arranged screw 13 relative to the guide pin 9 can be fixed. So if the eccentric sleeve 8 is introduced and has its investment by turning to the rear wall 3, it is now possible to fix the eccentric sleeve 8 with the screw on the guide pin 9. Here, the eccentric sleeve 8 and the guide pin 9 a slight conicity, so that the eccentric sleeve 8 can be mounted positively on the guide pin 9.

In order to achieve in particular a positive locking of the eccentric sleeve 8 on the guide pin 9, a tooth profile 14 is integrally formed on the eccentric sleeve 8 on the edge, which is in a fixed condition with a guide pin 9 arranged on the toothed profile ring 15 in a fixed state. Thus, it is understood that when the eccentric sleeve 8 is inserted and this is screwed after twisting, also in positive connection with the guide pin 9 is in consequence of the tooth profiles 14, 15th

In a further development of the eccentric sleeve 8, a so-called. Handle 16 is integrally formed for rotation outside. In this case, according to an advantageous embodiment of the invention, the handle 16 can also be used as a marker for the eccentric adjustment or position, if, for example the fitter must dismantle the rear wall 3, where he can then recognize in consequence of the predetermined position of the marker, as the eccentric sleeve 8 was fixed before disassembly on the guide pin.

LIST OF REFERENCE NUMBERS

1

casing

2

Base module

3

rear wall

4

opening

5

spigot

6

Fixing element 1, 2

7

Support feet 1, 2

8th

eccentric

8.1

eccentricity

9

spigot

10

space curve

11

edge

12

Long hole

13

screw

14

toothed profile

15

Toothed profile ring

16

handle

Claims (8)

1. Housing (1) for household appliances such as a tumble dryer, a washing machine or the like, which, in its basic form, comprises a base module (2), a front wall, side walls connected by means of a crossbeam, and a rear wall (3),
   characterised in that,
   in order to construct the housing (1) without a frame, the rear wall (3), in a horizontally and vertically oriented preadjustment, can be positioned, by means of an opening (4), on a pin (5) which is integrally formed on the base module (2), and fixing elements (6) which can be accessed from the outside are provided between the base module (2) and the rear wall (3), which fixing elements fix the rear wall (3) to the base module (2) in a locked fixing position transversely to the horizontal and vertical orientation of the rear wall (3), and each of the fixing means (6.1) and (6.2) is provided in the region of the support feet (7.1) and (7.2) arranged on the base module (2), the individual fixing means (6.1, 6.2) consisting of an eccentric sleeve (8) which is rotatably mounted on a guide pin (9) integrally formed on the base module (2), and a handle (16) being integrally formed on the eccentric sleeve (8) for rotation, which handle can be used as a marking tag for the eccentric position.
2. Housing according to claim 1,
   characterised in that
   the pin (5) is formed as an integrally formed central pin on the base module (2).
3. Housing according to claim 1,
   characterised in that
   a three-dimensional curve (10) of the eccentric sleeve (8) forms a rest for the edge (11) of a horizontally oriented elongate hole (12) arranged in the rear wall (3).
4. Housing according to claim 3,
   characterised in that
   the eccentricity (8.1) of the eccentric sleeve (8) is formed between the rest on the guide pin (9) and the rest of the eccentric sleeve (8) on the edge (11).
5. Housing according to any of claims 1 to 4,
   characterised in that
   the eccentric sleeve (8) can be secured relative to the guide pin (9) by means of a screw (13) which is arranged axially in the eccentric sleeve (8).
6. Housing according to claim 5,
   characterised in that
   the fixed position of the rear wall (3) can be locked to the base module by means of the eccentric sleeve (8) which is arranged on both sides, without fixing the position of the rear wall in an x direction, i.e. in the direction of the screw (13).
7. Housing according to claim 6,
   characterised in that
   the eccentric sleeve (8) and the guide pin (9) taper slightly such that the eccentric sleeve (8) can be positively attached to the guide pin (9).
8. Housing according to claims 1 to 7,
   characterised in that
   a toothing profile (14) is integrally formed on the edge of the eccentric sleeve (8) on the insertion side, which profile is in positive engagement with a toothing profile ring (15) arranged on the guide pin (9) in the secured state.

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