EP1807668B1 - Telescopic rail system for cooling and/or freezing appliance - Google Patents

Abstract

The invention relates to a telescopic rail system, especially for cooling and/or freezing appliances, which comprises a support plate (3) for fixing the telescopic rail system in the interior compartment of the cooling and/or freezing appliance and two telescopic rails (4) disposed opposite each other on said support plate (3) in the edge areas thereof.

Description

The invention relates to a refrigerator and / or freezer with a telescopic rail system.

In refrigerators and / or freezers drawers in known solutions z. B. on the aluminum evaporator plate or a glass plate. The stop of the drawer takes place via the container of the refrigerator and / or freezer and the drawer itself. Such on disk applied drawers tilt easily when putting on and taking off. In addition, there is an abrasion on the drawer body.

DE 103 04 670 A1 concerns a refrigerator with refrigerated goods carriers extendable on telescopic rail arrangements. The telescopic rail assembly comprises two rails, the latched rail being provided to be fixedly mounted in the formed in the inner container fasteners on the inner container.

DE 101 54 275 A1 relates to a lockable and releasable connector for attaching mechanical parts to a wall.

Object of the present invention is to provide a refrigerator and / or freezer with a telescopic rail system, which is very flexible and easy and safe to handle. This object is achieved with a refrigerator and / or freezer with the features of claim 1. Advantageous embodiments are the subject of dependent claims.

The telescopic rail system of the refrigerator and / or freezer according to the invention has a support plate for mounting in the inner container of the refrigerator and / or freezer. On the carrier plate are in their side regions telescopic rails arranged opposite each other. In collapsed condition, these rails have z. B. about the length of one side of the carrier plate. On the telescopic rails z. B. a drawer or an extendable plate placed or used. A slide on the plate is therefore no longer necessary. Nevertheless, the system is easy to use, since no changes to conventional solutions are necessary on the inner container of the refrigerator and / or freezer. The telescopic rails are provided on the support plate itself, which can be used as a normal shelf in the device. In this respect, it is also possible in a simple manner, the element to be pulled out, for. As the drawer, either above or below the support plate to order. To change the arrangement, only the support plate must be reversed, so that the telescopic rails are no longer arranged on the support plate, but below the support plate.

The telescopic rail system of the refrigerator and / or freezer according to the invention can be used in a simple manner. So z. B. the carrier plate with the telescopic rails pre-assembled to be delivered to a mounting location of the refrigerator and / or freezer.

The arrangement of the telescopic rails directly to the support plate safe extraction operation is possible. Due to the thermal load on the body of the refrigerator and / or freezer, there is usually a bulge of the interior. A conventional telescopic rail, one part of which is fixedly secured in the side inner wall of the device and the other part is connected to the pull-out part, would tilt at such thermal stresses. In the solution according to the invention, however, the complete telescopic rail is mounted on the support plate itself. Only the support plate itself is z. B. stored in rails in the device without voltage. A thermal bulging of the interior of the refrigerator and / or freezer thus does not lead to a tension on the telescopic rail, which would lead to tilting.

In a telescopic rail system of the refrigerator and / or freezer according to the invention in which the telescopic rails are arranged on a surface of the support plate, the further results Advantage that the support plate can be used by simply turning over as a normal shelf.

The telescopic rails may be attached to the edge of the support plate. Particularly advantageous is an arrangement of the telescopic rails on the surface of the support plate, so that the support plate can be freely inserted into the refrigerator and / or freezer.

According to the telescopic rails are releasably secured to the support plate. In this way, the carrier plate can also be conventionally used as a storage plate.

The telescopic rails can be attached to the support plate in different ways. In a preferred embodiment, the telescopic rails comprise at a first, preferably in the extension direction rear end of the support plate embracing hook-like element which can be pushed onto the one, preferably the rear edge of the support plate. The hook-like element secures the telescopic rail on the one hand against lifting of the support plate and on the other against slipping in the extension direction. A mounted on the telescopic rail drawer can therefore be pulled out without the risk that the telescopic rail slips with.

In the following description, embodiments are described for ease of illustration, in which the first edge of the carrier plate corresponds to the rear edge of the carrier plate in the refrigerator and / or freezer. In addition, embodiments are described in which the first end of the telescopic rails corresponds to the rear end of the telescopic rails in the extension direction. From the scope but equally embodiments are included, in which the first edge of the support plate z. B. corresponds to the front edge and the first end of the telescopic rail z. B. the front end in the extension direction of the telescopic rail.

Advantageously, a retaining strip is provided at the rear edge of the support plate, which comes to lie between the hook-shaped element and the support plate. This retaining strip can z. B. made of plastic or other material, which prevents the direct contact of the telescopic rail or its hook-shaped element with the support plate. This is particularly advantageous if the support plate made of glass and therefore more vulnerable.

Such a retaining strip can be z. B. along the entire rear edge of the support plate and thus be arranged both between the hook-shaped element of the first telescopic rail and the support plate and between the hook-shaped element of the second telescopic rail and the support plate. Such a one-piece retaining strip is easy to assemble and robust. It only has to be plugged onto the back edge of the carrier plate.

Advantageously, the retaining strip at its ends stops, which bear against the side edges of the support plate such that the retaining strip is secured against lateral slipping.

Other embodiments have two retaining strips, which are attachable to opposite ends of the rear edge of the support plate. Such an embodiment requires less material. Even systems with two such attached at the ends of the rear edge of the support plate holding strips can be designed such that the retaining strips are secured by means of a stop on the lateral edge of the support plate against slipping.

In another embodiment, it is provided that the support plate is completely encapsulated in plastic and the encapsulation on a first edge of the support plate is a retaining strip, which is arranged at mounted telescopic rails between the support plate and the respective hook-shaped element of the respective telescopic rail. Such an embodiment ensures a particularly secure mounting of the retaining strip on the support plate.

The retaining strip may comprise a recess facing away from the support plate, which is designed such that the telescopic rail comes to rest in the pushed onto the retaining bar state in this recess, so that the rear end of the telescopic rail is protected against lateral slippage.

For fastening the telescopic rails to the support plate holding elements may be provided which can be attached to the support plate and serve to support the telescopic rails on the support plate. Especially in embodiments in which the telescopic rails have a hook-shaped element for gripping around the carrier plate at the rear end, holding elements can be provided in the front region of the carrier plate. In such embodiments, the telescopic rail is supported at its rear end by the engagement of the hook-shaped element and the carrier plate and at its front end by the holding elements.

In a simple embodiment, the holding elements are glued to the carrier plate. Particularly secure are holding elements which are designed as latching noses, which can be inserted into corresponding openings of the support plate. Such holding elements can be very easily clipped onto the carrier plate. The retaining elements can, for. B. have attacks that rest on the side edge of the support plate such that the holding element is secured against lateral slipping.

An alternative embodiment comprises a carrier plate which is encapsulated completely with plastic, wherein this encapsulation already comprises the holding elements. A separate attachment of the retaining elements on the support plate is then no longer necessary.

The telescopic rails can be fastened to the carrier plate with a corresponding number of holding elements. In an embodiment with retaining elements, which are integrated in an encapsulation of the support plate, however, it can be provided that the telescopic rails with hook-shaped elements at the rear Edge of the support plate are hooked and only holding elements for holding the front end of the telescopic rails are provided.

As a material for the support plate is z. As glass, since this has a very low coefficient of linear expansion. Even with large temperature differences arise in this way no or only low voltages that could lead to tilting of the telescopic rails.

Support plates, the z. B. made of sheet metal, can be equipped with mounting brackets and mounting hardware to also support telescopic rails.

For carrier plates, the z. B. plastic, preferably as an injection molded part, are made, on the other hand fasteners for the telescopic rail can be molded directly with. Thus, in such a Spritzgußträgerplatte the rear edge may already be configured as a retaining strip, which serves for pushing the hook-shaped element of a correspondingly designed telescopic rail. Also, an integrally formed with the support plate as an injection molding retaining strip may comprise a facing away from the support plate recess in which the telescopic rail is accommodated in the pushed state, so that the end of the telescopic rail is secured against lateral slipping.

In a further embodiment, it is provided that the plastic carrier plate already comprises integrally formed holding elements, which serve to hold the telescopic rails. Here, the entire support plate is made with all the holding elements in one operation as an injection molded part. In one embodiment of the telescopic rail system according to the invention with telescopic rails, which have a hook-shaped element, holding elements are only necessary in the front region of the support plate, since the telescopic rail is held at the rear edge of the support plate by the deferred hook-shaped element.

To connect the telescopic rail with the respective holding element, the holding element parallel and spaced from the support plate trained and perpendicular have pointing to the extension direction of the telescopic rail facing projections that can be engaged in corresponding openings of the telescopic rails. The projections and the corresponding openings of the telescopic rails can be equipped so that they interact in the manner of a snap closure. In such an embodiment, especially with a telescopic rail with a hook-shaped element for attachment of the rear end of the telescopic rail to the support plate, the telescopic rail can be first pushed with the hook-shaped element from behind onto the support plate. Lateral displacement of the front end of the support plate then causes the engagement of the projection in the corresponding opening of the telescopic rail.

In another embodiment, the holding elements parallel to the support plate and in the extension direction rearwardly facing projections and the telescopic rails corresponding openings. Such an embodiment allows the sliding of the telescopic rail with the hook-shaped element from behind on the support plate with simultaneous engagement of the projection in the corresponding opening of the telescopic rail.

Completely without holding elements comes an embodiment of the invention, in which the carrier plate is encapsulated in plastic and the fixed parts of the telescopic rails for mounting on the support plate are injected with. Finally, the support plate can also be designed as an injection molding, which integrally includes the fixed parts of the telescopic rails, so that the fixed parts of the telescopic rails and the support plate can be produced in a single injection molding step.

The telescopic rail system of the inventionen cooling and / or freezer can be arranged above or below the support plate, depending on whether the extract element is to be moved above or below the support plate.

Figur 1:

eine Teilinnenansicht eines Gefrierschrankes mit einem erfindungsgemäßen Teleskopschienensystem des erfindungsgemäßen Kühl-und/oder Gefriergerätes

Figur 2:

eine Teilinnenansicht eines Gefrierschrankes mit einem auf das Teleskopschienesystem des erfindungsgemäßen Kühl-und/oder Gefriergerätes aufgesetzten Schubfach

Figur 3:

eine Teilansicht einer Trägerplatte,

Figur 4:

ein erfindungsgemäßes Teleskopschienensystem bei der Montage,

Figur 5:

ein erfindungsgemäßes Teleskopschienensystem in Ansicht von unten mit zwei Detailansichten,

Figur 6:

ein Teleskopschienensystem des erfindungsgemäßen Kühl-und/oder Gefriergerätes mit aufgesetztem Schubfach in einer Ansicht von unten,

Figur 7:

eine Trägerplatte einer anderen erfindungsgemäßen Ausführungsform, und

Figur 8:

das Teleskopschienensystem dieser Ausführungsform bei der Montage.

Embodiments of the telescopic rail system of the refrigerator and / or freezer according to the invention will be explained in detail with reference to FIGS. Showing:

FIG. 1:

a partial view of a freezer with a telescopic rail system according to the invention of the refrigerator and / or freezer according to the invention

FIG. 2:

a partial view of a freezer with a mounted on the telescopic rail system of the refrigerator and / or freezer according to the invention drawer

FIG. 3:

a partial view of a carrier plate,

FIG. 4:

an inventive telescopic rail system during assembly,

FIG. 5:

an inventive telescopic rail system in bottom view with two detailed views,

FIG. 6:

a telescopic rail system of the refrigerator and / or freezer according to the invention with attached drawer in a view from below,

FIG. 7:

a support plate of another embodiment of the invention, and

FIG. 8:

the telescopic rail system of this embodiment during assembly.

FIG. 1 shows a partial view of the interior of a refrigerator and freezer with the side wall 7, 9 are provided in the rails. 11 denotes the rear wall. In the bottom rail, a support plate 3 is inserted, on which the lower part 2 of a telescopic rail 4 is fixed. The upper part 1 of the telescopic rail 4 is in the illustration of FIG. 1 extendable to the left front.

At the rear edge of the support plate 3, which is made of glass, a retaining strip 5 is attached plastic, with respect to FIG. 3 will be explained in detail.

FIG. 2 shows the same system with inserted drawer 13. The drawer 13 is placed on the upper part 1 of the telescopic rail and can therefore be pulled out in the direction a from the refrigerator and / or freezer. In the extended state, the drawer can then be removed in direction b.

In FIG. 3 the attachment mechanism for the telescopic rail 4 is shown in detail. On the rear edge of the glass plate 3, a plastic strip 5 is attached, which has a recess 15 in the region of the telescopic rail. The plastic strip 5 is supported by the stop 17 against the lateral edge of the glass plate 3. In the front region of the glass plate 3, the holding element 19 is attached, which has a projection 21 which is pronounced as a latching nose, which in the extension direction points laterally away from the holding element 19 and is spaced from the glass plate. The distance corresponds approximately to the thickness of the lower part 2 of the telescopic rail. 4

FIG. 4 explains the assembly process of the telescopic rail 4 in the fasteners. First, the telescopic rail is lowered in the direction c on the glass plate 3. By moving the telescopic rail in direction d, the hook-shaped element 23 facing downwards from the lower part 2 of the telescopic rail 4 slides in the recess 15 of the plastic strip 5 onto the carrier plate 3. Subsequent displacement of the front end of the telescopic rail in the direction e causes the opening 26 to be plugged onto the projection 21 designed as a latching nose. The opening 26 extends into it in FIG FIG. 4 unrecognizable manner both on the lower surface and on the side surface of the lower part 2 of the telescopic rail 4. Thus, the telescopic rail is firmly attached to the glass plate.

FIG. 5 makes it clear how the individual fasteners act on the glass plate 3. In the detail drawing in the left part of the FIG. 5 it can be seen how the hook 23 encloses the retaining strip 5 and the glass plate 3. In the right hand detail of the FIG. 5 Detects locking lugs 27 which are arranged on the underside of the holding element 19 and through the opening 25 in the glass plate 3 after Type of snap closure can be pushed through. In addition, stops 20, which are formed on one side of the retaining element 19, are supported on the lateral edge of the carrier plate 3.

In FIG. 6 Once again, a support plate 3 is shown from below, with a drawer 13 is placed on the telescopic rail here.

The embodiment of the FIGS. 1 to 6 is mounted as follows. First, the retaining strip 5 is attached to the rear edge of the glass plate 3. Then, the holding member 19 is locked in front of the plate. The telescopic rail 4 is in the direction of the c FIG. 4 lowered onto the glass plate 3 and moved in the direction d, so that the hook-shaped element 23 in the recess 15 of the retaining strip 5, the support plate 3 surrounds. Moving the telescopic rail in the direction e causes a plugging of the opening 26 in the lower part 2 of the telescopic rail 4 on the latching lugs 21 of the holding element 19. In a similar manner, a second telescopic rail is attached to the opposite second side of the glass plate 3, which is not shown in the figures is. On the telescopic rails now the drawer 13 can be placed. The entire unit of glass plate 3 and then locked telescopic rails and the drawer is now inserted into the refrigerator and / or freezer in the rail 9 in the inner side wall 7 and locked in any existing locking devices.

The drawer 13 can now be easily inserted and ejected using the telescopic rails. Direct contact of the drawer 13 with the glass plate 3 is avoided.

Should maintenance be necessary, the telescopic rail 4 can be very easily removed from the glass plate 3, so that the system according to the invention proves to be very flexible.

With appropriate design, the telescopic rail can also be used for other elements to be inserted, for. B. for extracting shelves.

Turning the support plate 3 causes the telescopic rail 4 are no longer above the support plate 3, but below are arranged. With appropriate design of the drawer so a drawer can be arranged below the support plate.

FIG. 7 shows a further embodiment. Here, two retaining strips 35 are provided on the glass plate 30, of which in the partial view of FIG. 7 only the retaining strip 35 is visible at one end of the glass plate 30. In the front region of the glass plate 30, a holding element 39 is inserted through a corresponding opening in the glass plate 30. The holding member 39 may also have a downwardly facing locking lug corresponding to the locking lug 27 of the first embodiment, so that the holding member 39 can be inserted through the glass plate in the manner of a snap closure.

In FIG. 8 the assembly process of the telescopic rail 40 is shown on the glass plate 30 and the interaction of the individual fasteners. The holding element 39 has a projection 41 pointing backwards and spaced from the glass plate, to which an opening 34 in the lower region 32 of the telescopic rail 40 corresponds. The lower part 32 of the telescopic rail 40 has in the rear area a downwardly facing hook-shaped element 33 similar to the hook-shaped element 23 of the first embodiment.

First, the telescopic rail is lowered in the direction f on the glass plate 30. In this case, the opening 34 also lowers via the retaining element 39. Moving in the direction d causes the hook 33 to be hooked into the recess of the retaining strip 35.

When moving the telescopic rail 40 in the direction g also hooks the projection 40 in the opening 34. In this way, the telescopic rail 40 is firmly attached to the glass plate 30. In an analogous manner, a second telescopic rail at the in FIG. 8 not shown side of the glass plate 30 is attached. As for described the first embodiment, z. B. a drawer on the upper part 31 of the telescopic rail 40 are placed.

The described embodiments have separate holding elements and separate retaining strips. In other, not shown embodiments, the retaining strip and / or the holding elements are part of a plastic extrusion of the carrier plate. Another embodiment, not shown, comprises a carrier plate which is injection molded entirely of plastic, wherein the retaining strip and the holding elements are an integral part and are injected together with the carrier plate in one step.

Claims (31)

1. Refrigerator unit and/or freezer unit having a telescopic rail system, comprising

   - a support plate (3, 30) for holding the telescopic rail system in the inner compartment of the refrigerator unit and/or freezer unit; and

   - two telescopic rails (4, 40) arranged in relation to the support plate (3, 30) in the lateral regions thereof,

   wherein the telescopic rails (4, 40) are releasably fastened directly to the carrier plate (3, 30).
2. Refrigerator unit and/or freezer unit according to claim 1, wherein the telescopic rails (4, 40) are arranged on a surface of the support plate (3, 30).
3. Refrigerator unit and/or freezer unit according to claim 1 or claim 2, wherein, at a first end, preferably the rear end in the pulling-out direction, the telescopic rails (4, 40) comprise a hook-like element (23, 33) which engages around the support plate (3, 30) and which can be pushed onto a first edge of the support plate (3, 30), preferably the rear edge in the refrigerator unit and/or freezer unit in the pulling-out direction (d, g) of the telescopic rail (4, 40).
4. Refrigerator unit and/or freezer unit according to claim 3, comprising at least one holding strip (5, 35) which can be fitted on the first edge of the support plate (3, 30) and which, when installed, is arranged between the support plate (3, 30) and the hook-like element (23, 33) of the respective telescopic rail (4, 40).
5. Refrigerator unit and/or freezer unit according to claim 4, comprising an elongate holding strip (5) which extends substantially along the entire first edge of the support plate (3) and which, when installed, is arranged at its first end between the support plate (3) and the first telescopic rail (4) and at its second end between the support plate (3) and the second telescopic rail.
6. Refrigerator unit and/or freezer unit according to claim 5, wherein the holding strip (5) comprises stops (17) at its ends, said stops contacting the lateral edges of the carrier plate (3) such that they prevent the holding strip from slipping laterally.
7. Refrigerator unit and/or freezer unit according to claim 4, comprising two holding strips (35) which can be fitted at opposed ends of the first edge of the support plate (30).
8. Refrigerator unit and/or freezer unit according to claim 7, wherein the holding strips (35) each have a stop which, when installed, contacts the respective lateral edge of the support plate (30).
9. Refrigerator unit and/or freezer unit according to claim 3, wherein the support plate is completely insert-moulded by plastics material and the insert moulding at the first edge of the support plate constitutes a holding strip which, when the telescopic rail system is installed, is arranged between the support plate and the hook-like element (23, 33) of the respective telescopic rail.
10. Refrigerator unit and/or freezer unit according to one of claims 4 to 9, wherein the at least one holding strip (5, 35) includes a recess (15) pointing away from the support plate (3, 30) and in which a telescopic rail (4, 40) is received in the pushed-on state so that the first end of the telescopic rail is prevented from slipping laterally.
11. Refrigerator unit and/or freezer unit according to one of claims 1 to 10, comprising holding elements (19, 39) which can be fastened to the support plate (3, 30) to hold the telescopic rails (4, 40).
12. Refrigerator unit and/or freezer unit according to claim 11, insofar as it is directly or indirectly dependent on claim 3, comprising two holding elements (19, 39) which can be fastened to opposed sides of the support plate in the vicinity of a second edge of the support plate (3, 30) parallel to the first edge.
13. Refrigerator unit and/or freezer unit according to one of claims 11 or 12, wherein the support plate has openings (25) for the fastening of the holding elements (19, 39), and the holding elements (19, 39) have latching noses (27) which correspond to the openings in the support plate and which can be inserted into the openings (25) in the support plate.
14. Refrigerator unit and/or freezer unit according to one of claims 11 to 13, wherein the holding elements (19) comprise stops (20) which contact the lateral edge of the support plate (3) in such a way that the respective holding element (19) is prevented from slipping laterally.
15. Refrigerator unit and/or freezer unit according to one of claims 1 to 10, wherein the support plate is completely insert-moulded by plastics material and the insert moulding comprises holding elements to hold the telescopic rails.
16. Refrigerator unit and/or freezer unit according to claim 15, insofar as it is directly or indirectly dependent on claim 3, wherein the insert moulding comprises two holding elements which are arranged at opposed ends of the support plate in the vicinity of a second edge of the support plate parallel to the first edge.
17. Refrigerator unit and/or freezer unit according to one of claims 1 to 16, comprising a support plate (3, 30) made of glass.
18. Refrigerator unit and/or freezer unit according to one of claims 1 to 16, comprising a support plate made of plastics material, preferably an injection moulded part.
19. Refrigerator unit and/or freezer unit according to claim 18, insofar as it is directly or indirectly dependent on claim 3, wherein the first edge of the support plate constitutes a holding strip onto which the hook-like element (23, 33) of the respective telescopic rail (4, 40) can be pushed.
20. Refrigerator unit and/or freezer unit according to claim 19, wherein the edge of the support plate formed as a holding strip comprises recesses which point away from the support plate and into which the telescopic rails (4, 40) are received in the pushed-on state so that the respective first end of the telescopic rails is prevented from slipping laterally.
21. Refrigerator unit and/or freezer unit according to one of claims 18 to 20, wherein the support plate comprises integrally shaped holding elements to hold the telescopic rail.
22. Refrigerator unit and/or freezer unit according to claim 21, insofar as it is directly or indirectly dependent on claim 3, comprising two holding elements which are moulded at opposed ends of the support plate in the vicinity of a second edge of the support plate parallel to the first edge.
23. Refrigerator unit and/or freezer unit according to one of claims 11 to 16, 21 or 22, wherein the holding elements (19) have protrusions (21) which are formed parallel to and spaced apart from the support plate (3) and point perpendicular to the pulling-out direction (d), and the telescopic rails (4, 40) have corresponding openings (26).
24. Refrigerator unit and/or freezer unit according to one of claims 11 to 16, 21 or 22, wherein the holding elements (39) have protrusions (41) which are formed parallel to and spaced apart from the support plate (30) and point parallel to the pulling-out direction (g), and the telescopic rails (40) have corresponding openings (34).
25. Refrigerator unit and/or freezer unit according to one of claims 23 or 24, wherein the protrusions (21, 41) are formed in such a way that they can be inserted in the manner of a snap-in closure into the corresponding openings (26, 34) of the telescopic rails (4, 40).
26. Refrigerator unit and/or freezer unit according to claim 1 or 2, wherein the support plate is insert-moulded by plastics material and the fixed parts of the telescopic rails are also injection moulded into the plastics material so as to be held on the support plate.
27. Refrigerator unit and/or freezer unit according to one of claims 1 or 2, wherein the support plate is an injection moulded part which also comprises the fixed parts of the telescopic rails.
28. Refrigerator unit and/or freezer unit according to one of claims 1 to 27, wherein the telescopic rails (4, 40) are arranged above the support plate (3, 30).
29. Refrigerator unit and/or freezer unit according to one of claims 1 to 27, wherein the telescopic rails are arranged beneath the support plate.
30. Refrigerator unit and/or freezer unit according to one of claims 1 to 29, wherein the support plate (3, 30) is designed to be received in rails (9) in the lateral regions (7) of the inner container of a refrigerator unit and/or freezer unit.
31. Refrigerator unit and/or freezer unit according to one of claims 1 to 30, wherein the telescopic rail system supports a drawer (13).

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