EP2271882B1 - Refrigerator with rapidly installable pull-out system - Google Patents

Description

The invention relates to a refrigerator according to the preamble of claim 1. Such a device is for example from the US-A-2,724,630 known. For improved ease of use and improved clarity in the interior of the refrigerator, it is known to use pull-out systems, for example, for pull-out refrigerated goods shelves or extendable refrigerated goods compartments. Such extension systems are usually screwed with foam side located on an inner container and foamed Hinterlegteilen. It is therefore an object of the present invention, a refrigeration device, in particular a household refrigeration device to specify, which can be made particularly simple and easy to install and easy cleanability of the interior allows.
This object is achieved by the refrigeration device as specified in the independent claim.
Further advantageous embodiments and developments, which can be used individually or combined with each other in a suitable manner, are the subject of the dependent claims and are explained in more detail in the following description.

With the help of the lockable game, or quick release the pull-out rail can be easily mounted on the inner container. It can be solved in a further embodiment in an advantageous manner thereby also in a simple manner from the inner container. A solubility of the pull-out rail simplifies the cleanability of the interior of the refrigerator.
The pull-out rail can be designed in two parts or in several parts. It can be telescopic and comprise at least three parts. The pull-out rail comprises, for example, a fixed rail part and a release rail part, which are displaceable relative to one another and are optionally supported by balls or rollers. The pull-out rail may additionally or alternatively also comprise a suitable sliding bearing.
The pull-out rail is detachable in one embodiment with the quick release from the inner container. The pull-out rail can carry a refrigerated goods rack and other drawers or pull-out compartments of the refrigerator.
A refrigerated goods storage is used to hold refrigerated goods and is usually designed for weights of at least up to 10 kg, for example, of at least up to 20 kg. The refrigerated goods deposit may comprise a grid or glass plates.
In one embodiment, the locking part is detachably connected to the fastening element. Also, the locking member on the fixed rail part releasably fastened be, in particular, the locking member on the fixed rail part latched and in particular by positive and / or non-positive.
In a further embodiment, the fastening elements are formed as projections, in particular pin-like projections, wherein in particular the projections are provided with at least one undercut, with which the locking member is able to cooperate. Here, the undercut may be formed as a notch or as an annular groove.
In one embodiment, a projection, in particular a bolt, which engages with the pull-out rail, is provided on the inner container. For example, the pull-out rail is centered with a bolt and a hole. The pull-out rail can then be secured by a slide against unintentional loosening. The engagement of projection and extension rail ensures a secure hold of the pull-out rail on the inner container of the refrigerator.
In a further development, the pull-out rail has a locking part for locking the pull-out rail to the projection. With the help of the locking part of the pull-out rail is locked to the projection, that is secured against unintentional loosening. The locking member ensures, in particular, that the engagement between the projection and the extension rail does not release itself or unintentionally. According to the invention, the locking part is displaceable or pivotable. For example, the locking member prevents movement of the pull-out rail relative to the projection against a mounting direction of the pull-out rail on the projection by the locking member the reverse direction, ie the movement of the pull-out rail against the mounting direction blocked. The mounting direction can be horizontal or vertical, for example.
In a further embodiment, the locking part has a latching element for latching the locking part. By the locking element is further ensured that the locking member does not dissolve and thus releases the engagement between the projection and extension rail. By locking element, the locking member is released only when a certain minimum force or torque is overcome. The locking element can by a or a plurality of spring elements and corresponding receptacles may be formed. For example, the locking element is designed as a clip element.
In a further embodiment, the pull-out rail has a locking projection receptacle, in particular a keyhole opening, for locking and fastening the pull-out rail on the projection by displacing the pull-out rail relative to the projection. With the help of the locking projection receptacle thus at least partially self-locking attachment of the pull-out rail is made possible on the projection of the inner container. Advantageously, the opening is formed in the fixed rail part as arranged in the direction of movement of the Lösschienenteils keyhole opening for locking attachment of the pull-out rail formed as a projection fastener by moving the pull-out rail relative to the projection.
The locking projection receptacle can be formed for example by a keyhole opening, which can be aligned horizontally or vertically. For example, in a vertical orientation of the keyhole opening the pull-out rail is locked due to its own weight and thus fixed to the projection of the inner container.
In a horizontal orientation of the keyhole opening the pull-out rail is placed on the projection of the inner container and moved in the horizontal direction. Here it is expedient to prevent a displacement of the extension rail in the opposite direction by the locking member.
Furthermore, the locking member may be formed as a holding plate with a locking part for fixing the particular formed as a projection fastener relative to the opening, in particular the holding plate is designed as a flat profile with a locking hook serving as locking part which can be latched with an opening in the fixed rail part. Here, in particular, the latching hook is cut free within the flat profile.
The locking part may be formed of plastic injection molding.
In one embodiment, the locking part in a receptacle of the fixed rail part transversely to the direction of movement of the Lösschienenteil positively and / or non-positively inserted.

The locking member may be pivotally mounted on the pull-out rail and in particular have a by pivoting against the projections engageable with this locking part.

In a further embodiment, the refrigeration device comprises a locking part for fixing the projection relative to the projection receptacle. The locking part can be designed, for example, plugged. With the help of the locking part ensures that the engagement between projection and projection holder does not accidentally dissolves.

The locking part can be clamped.

The locking member may also be pivotally mounted on the pull-out rail.

For example, the pull-out rail is fastened with one or more key holes on the inner container and a horizontal or vertical fixation of the pull-out rail is carried out by the plugged or pivotable locking part.

An advantage of the aforementioned embodiments is that the attachment of the pull-out rail on the inner container without tools is possible in a simple manner. It is a simple installation and easy disassembly realized. Disassembly is done in reverse order of installation.

Fig. 1

eine Ausführungsform eines erfindungsgemäßen Kältegeräts in einer Schnittansicht von der Seite;

Fig. 2

eine Ausführungsform einer Auszugsschiene für das Kältegerät nach Fig. 1 in der Draufsicht;

Fig. 3

eine weitere Ausführungsform einer Auszugsschiene für das Kältegerät nach Fig. 1 in der Draufsicht;

Fig. 4

eine noch weitere Ausführungsform der Auszugsschiene für ein Kältegerät nach Fig. 1 in perspektivischer Ansicht;

Fig. 5

die teilweise demontierte Auszugsschiene nach Fig. 4 in perspektivischer Ansicht;

Fig. 6

eine weitere Ausführungsform einer Auszugsschiene für das Kältegerät nach Fig. 1;

Fig. 7

eine Detailansicht der Auszugsschiene nach Fig. 6, welche auf einen Bolzen eines Innenbehälters des Kältegeräts nach Fig. 1 ist, in perspektivischer Ansicht;

Fig. 8

die Auszugsschiene nach Fig. 6 und 7 mit aufgestecktem Arretierungsteil;

Fig. 9

eine weitere Ausführungsform einer Auszugsschiene für das Kältegerät nach Fig. 1 mit einem verschiebbaren Verriegelungsteil als Schnellverschluss in perspektivischer Ansicht in geöffnetem Zustand;

Fig. 10

der Schnellverschluss nach Fig. 9 in geschlossenem Zustand;

Fig. 11

die Auszugsschiene nach Fig. 9 in einer perspektivischen Ansicht von der Behälterwand aus betrachtet; und

Fig. 12

das verschiebbare Verriegelungsteil nach Fig. 9.

Further advantageous details and aspects, which can each be applied individually or combined with one another in a suitable manner, will be explained in more detail with reference to the following drawing, which is intended to illustrate the invention by way of example. They show schematically:

Fig. 1

an embodiment of a refrigerator according to the invention in a sectional view from the side;

Fig. 2

an embodiment of a pull-out rail for the refrigerator after Fig. 1 in the plan view;

Fig. 3

a further embodiment of a pull-out rail for the refrigerator after Fig. 1 in the plan view;

Fig. 4

a still further embodiment of the pull-out rail for a Refrigeration device after Fig. 1 in perspective view;

Fig. 5

the partially dismantled drawer rail after Fig. 4 in perspective view;

Fig. 6

a further embodiment of a pull-out rail for the refrigerator after Fig. 1 ;

Fig. 7

a detailed view of the drawer rail after Fig. 6 , which on a bolt of an inner container of the refrigerator after Fig. 1 is, in perspective view;

Fig. 8

the drawer rail after 6 and 7 with attached locking part;

Fig. 9

a further embodiment of a pull-out rail for the refrigerator after Fig. 1 with a sliding locking part as a quick release in perspective view in the open state;

Fig. 10

the quick release after Fig. 9 in closed condition;

Fig. 11

the drawer rail after Fig. 9 in a perspective view of the container wall viewed from; and

Fig. 12

the displaceable locking part after Fig. 9 ,

Fig. 1 shows an embodiment of a household refrigeration appliance 1 in a sectional view from the side with an outer housing 2, an inner container 3 and a heat insulating layer 15 therebetween. The refrigeration device 1 has inside the inner container 3 an interior space 4 for receiving refrigerated goods 5. The refrigerated goods 5 can be parked on refrigerated goods trays 6 or stored in Ausziehfächern 26. The chilled goods shelves can be made extendable by means of pull-out rails 7. The inner container 3 has a container wall 30, on which the refrigerated goods trays 6 or the pull-out rails 7 of the refrigerated goods trays 6 and the pull-out compartment 26 are fastened.

The interior 4 of the inner container 3 is cooled by means of a cooling circuit 20. The cooling circuit 20 includes a compressor 21 for compressing a in refrigerant circulating the refrigeration cycle 20, a condenser 22 having a throttle 23 for liquefying the refrigerant at high pressure while giving heat to the environment, and an evaporator 24 for evaporating the refrigerant and generating refrigeration for cooling the internal space 4. The compressor 21, the condenser 22, the throttle 23 and the evaporator 24 are fluidly connected by coolant lines 25 and form the coolant circuit 20. The evaporator 24 is held by evaporator brackets 29 on the inner container 3 and the outer housing 2.

In the interior 4 of the inner container 3, a lamp 28 and a controller 27 are further provided. The interior 4 of the inner container 3 is accessible through a door 18. The inner container 3 is foamed with the outer housing 2 by a heat-insulating foam 19th

Fig. 2 shows an embodiment of a drawer rail 7 for a refrigerated goods storage 6 or a pull-out 26 of the refrigeration device 1 after Fig. 1 in the plan view. The pull-out rail 7 has a quick-release fastener 8 for fastening the pull-out rail 7 on the inner container 3 or on a container wall 30 of the inner container 3.

The quick-release fastener 8 is formed by a projection 9 provided on the container wall 30, a projection receptacle 12 which engages with the projection, and a locking member 10. By means of the locking part of the engagement of projection 9 and projection receptacle 12 is locked by the locking member 10 is displaced in the horizontal direction.

The locking member 10 is latched designed by a locking element 11 on the pull-out rail 7 and a corresponding locking element receptacle 34 on the locking part 10. With the help of this locking mechanism locks the locking member 10 in an open position (right) or in a closed position (left). The projection receptacle 12 of the mounting rail 7 is designed as a keyhole, which secures the projection 9 when hanging the pull-out rail 7. The projection 9 can be used as a bolt with an undercut (s. Fig. 7 ) be configured. The longitudinal direction of the projection formed as a keyhole projection 12 is here vertical, so that the pull-out rail 7 fixed itself due to its own weight on the container wall 30 of the inner container 3.

Fig. 3 shows a further embodiment of a mounting rail 7 with quick release 8 for the refrigerator 1 after Fig. 1 in plan view, wherein a pivotable locking member 10 is used to lock the quick release 8.

The locking member 10 is here pivotable about a pivot pin 14 and engages behind an opening provided on the projection 9 undercut 36 (s. Fig. 7 ). The undercut 36 has a larger diameter in the plane of the drawing than the width of the narrow spot of the key hole formed projection holder 12. As a result, the pull-out rail 7 is held securely on the projection 9. On the left half of the pivotable locking member 10 is shown in the closed position. On the right side of the pivotable locking member is shown in the open position. The locking member 10 prevents the pull-out rail shifts in the horizontal direction relative to the projections 12 and thus releases the projection receptacle 12.

4 and FIG. 5 show a further embodiment of a drawer rail 7 for the refrigerator 1 after Fig. 1 in a perspective view, wherein in Fig. 5 the drawer rail 7 is partially removed to expose the quick release 8 and make visible.

In the FIGS. 4 and 5 the projection receptacle 12 is formed as a keyhole extending in the horizontal direction.

The pull-out rail 7 has a fixed rail part 31 and a release rail part 32. The pull-out rail 7 is telescopic, i. telescopically extendable over a greater distance than twice the length of the pull-out rail 7 in the pushed together state, and has a total of at least three pullout rail parts.

The protrusion 9 designed as a bolt is held by a bolt holder 16 in the heat insulation layer 15 of the refrigeration device 1. The projection 9 engages in the projection receptacle 12, which is formed as a keyhole.

The bolt holder 16 has a seal 17 for sealing the inner container 3 during the expansion, so that no foam 19 penetrates into the inner space 4 or through the container wall 30 of the inner container 3. The pull-out rail 7 is fitted on the projections 9 and displaced in the horizontal direction, so that provided on the projection 9 undercut 36 creates an undercut, which engages with the projection receptacle 12 in engagement.

In order to prevent detachment of the pull-out rail 7 from the projections 19, the pull-out rail 7 is secured against slipping in the horizontal direction by an attachable locking part 13. The locking member 13 further comprises locking elements 11 which prevent inadvertent release of the locking part 13 and thus a release of the engagement between projection 9 and 12.

Fig. 6 shows a further embodiment of a pull-out rail 7 for the refrigeration device 1 after Fig. 1 in plan view with a projection receptacle 12 and a locking part receptacle 33 for fixing a locking part 13 (see Fig. 8 ). The locking part 13 is attached to the projection 9 formed as a bolt and the locking part holder 13. For this purpose, the projection 9 and the Arretierungsteilaufnahme 33 on an undercut 36 which prevents inadvertent release of the locking part 13 of the projection 9 and the Arretierungsteilaufnahme 33.

Fig. 7 shows how the bolt is inserted into the receptacle 12 of the mounting rail 7. The projection 9 is held by a bolt holder 16 on the inner container 3 and on the container wall 30.

Fig. 9 to 12 shows a further embodiment of a pull-out rail 7 for the refrigerator 1 after Fig. 1 in perspective views, wherein Fig. 9 the pull-out rail 7 with the quick-release fastener 8 open, Fig. 10 the pull-out rail with closed quick-lock 8, Fig. 11 the drawer rail from the rear, ie seen from the container wall 30, with closed Schnellverschluss8 shows and Fig. 12 the locking member 10 of the quick release 8 shows.

In the open position of the quick release 8, the projection 9 is inserted into the projection receptacle 12 on the pull-out rail 7. The protrusion 9 designed as a bolt is held by a bolt holder 16 on the inner container 3 or the container wall 30. The engagement between projection 9 and mounting rail 7 is secured by locking part 10, which is displaceable in the horizontal direction. The locking part 10 has a locking receptacle 35, which engages behind an opening formed on the projection 9 undercut 36 and thus prevents detachment of the mounting rail 7 of the undercut 36 having projection 9.
Fig. 10 shows the quick release 8 in the closed position. Here, the locking member 10 in the horizontal direction in comparison to Fig. 9 moved to the left. The locking member 10 engages by a locking element 11 in the closed position. Fig. 11 shows the quick release 8 in the locked position from behind with the latched locking element 11, which engages in a locking element receptacle 34.
Fig. 12 shows the locking member 10 in a perspective view.
The invention relates to a refrigeration appliance 1, in particular household refrigeration appliance, comprising a heat-insulated housing, which comprises an outer housing 2, a heat insulating layer 15 and an inner container 3 having container walls with an inner space 4 for receiving refrigerated goods 5, at least one pull-out rail being provided on at least one of the container walls 30 7 is arranged with a fixed rail part 31 and at least one Lösschienenteil 32, which serves for securing an extendable Kühlgutablage 6, the Festschienenteil 31 is provided with openings 12, in which provided on the container wall 30 fasteners 9 are introduced with play, of which at least one is connected by a locking member 10 at least without play in the direction of movement of the Lösschienenteils 32 with the fixed rail part 31, wherein the locking member 10 is displaceable or pivotable, and is characterized by a particularly simple installation and ease of manufacture and a simple cleanability.

LIST OF REFERENCE NUMBERS

1

The refrigerator

2

outer casing

3

inner container

4

inner space

5

refrigerated

6

chilled goods

7

pull-out rail

8th

quick release

9

head Start

10

locking member

11

locking element

12

Projection, opening

13

arresting

14

pivot pin

15

Thermal insulation layer

16

bolt bracket

17

poetry

18

door

19

foam

20

Cooling circuit

21

compressor

22

condenser

23

throttle

24

Evaporator

25

Coolant lines

26

The shelf

27

control

28

lamp

29

evaporator bracket

30

container wall

31

Fixed rail part

32

Lösschienenteil

33

Arretierungsteilaufnahme

34

Rest element receptacle

35

locking receptacle

36

undercut

Claims (16)

1. Refrigerator (1), in particular a household refrigerator, with a thermally insulated housing comprising an outer housing (2), a thermal insulation layer (15) and an inner container (3) having container walls and with an internal space (4) for holding refrigerated items (5), wherein
   at least one pull-out rail (7) with a fixed rail part (31) and at least one loose rail part (32) is disposed at least at one of the container walls (30) and serves for fastening a refrigerated items storage shelf (6) that can be pulled out, wherein
   the fixed rail part (31) is provided with openings (12) into which fastening members (9) can be introduced,
   wherein fastening members (9) are provided at said container wall (30), which can be inserted with play into the openings (12) of the fixed rail part (31), characterised in that the refrigerator has at least one displaceable or pivotable locking part (10), by way of which one of the fastening members (9) is connected to the fixed rail part (31) without play at least in the direction of motion of the loose rail part (32).
2. Refrigerator (1) according to claim 1, wherein the locking part (10) is detachably connected to the fastening member (9).
3. Refrigerator (1) according to one of the preceding claims, wherein the locking part (10) is detachably fastenable to the fixed rail part (31).
4. Refrigerator (1) according to claim 3, wherein the locking part (10) is lockable at the fixed rail part (31) and, in particular, thereby has a positive and/or non-positive fit.
5. Refrigerator (1) according to one of the preceding claims, wherein the fastening members (9) are formed as projections, in particular pin-like projections.
6. Refrigerator (1) according to claim 5, wherein the projections are provided with at least one undercut (36) enabling cooperation with the locking part (10).
7. Refrigerator (1) according to claim 6, wherein the undercut (36) is formed as a notch or as an annular groove.
8. Refrigerator (1) according to one of the preceding claims, wherein the openings in the fixed rail part (31) are formed as a keyhole openings (12) disposed in the direction of motion of the loose rail part (32) for the purpose of lockingly fastening the pull-out rail (7) at the fastening member (9), which is formed as a projection, by displacing the pull-out rail (7) relative to the projection (9).
9. Refrigerator (1) according to any one of the preceding claims, wherein the locking part (10) is formed as a retaining plate with a stop part (13) for fixing the fastening member (9), which is formed in particular as a projection, relative to the opening (12).
10. Refrigerator (1) according to claim 9, wherein the retaining plate is formed as a flat profiled part with a stop part (13) serving as a catch hook that can be locked with an opening in the fixed rail part (13).
11. Refrigerator (1) according to claim 10, wherein the catch hook is cut free within the flat profiled part.
12. Refrigerator (1) according to claim 10 or claim 11, wherein the stop part (13) is formed from a plastic injection moulding.
13. Refrigerator (1) according to one of claims 9 to 12, wherein the locking part (10) can be inserted with a positive and/or non-positive fit into a socket in the fixed rail part (31) transverse to the direction of motion of the loose rail part (32).
14. Refrigerator (1) according to one of claims 1 to 9, wherein the locking part (10) is pivotably fastened at the pull-out rail (7) and in particular has a stop part (13) that, by being pivoted against the projections, can be brought into engagement with them.
15. Refrigerator (1) according to claim 5, wherein the engagement between the projection and pull-out rail is secured by the locking part, which can be displaced in the horizontal direction, wherein the locking part (10) has a locking socket (35) that engages from behind with an undercut (36) formed at the projection (9) and thus prevents the fastening rail (7) from detaching from the projection (9) having the undercut (36), and wherein the locking part (10) catches in a closed position by means of a catch member (11) which engages in a catch member socket (34).
16. Refrigerator (1) according to one of claims 5 to 15, wherein the pull-out rail (7) has the locking part (10) for locking the pull-out rail (7) at the projection.

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