DE202008013991U1 - Fridge and / or freezer - Google Patents

Abstract

Refrigerator and / or freezer with at least one interior, which is closed by at least one door, wherein the door is pivotable by means of at least two multi-joint hinges, characterized in that for at least one of the multi-joint hinges a space in the height direction in the range of 26 mm-46 mm , preferably in the range of 30 mm-42 mm and particularly preferably in the range of 33 mm-39 mm is present and / or that for at least one of the multi-joint hinges a space in the depth direction in the range of 40 mm to 45 mm, preferably in the range of 41 mm to 44 mm and particularly preferably in the range of 42 mm to 43 mm and / or that for at least one of the multi-joint hinges, the ratio of space in the height direction to space in the depth direction in the range of 0.74-0.94, preferably in the range of 0.78-0.90, and more preferably in the range of 0.82-0.86.

Description

The The present invention relates to a refrigerator and / or freezer with at least one interior through at least one door is closed, the door by means of at least two multi-joint hinges is pivotable.

Such a refrigerator or freezer is from the EP 1 231 346 A2 known.

The discloses in this document disclosed multi-joint hinge to a spring, by means of which the movable hinge part at least in the area of open position towards this open position is charged. To hit the door in this open position To prevent, on the other hand, brake and / or damping means provided, which can be formed for example by a spring, at the end of the opening movement by the handlebars and / or Tension lever of the multi-joint hinge is tensioned.

Of the The present invention is based on the object of providing a cooling and / or freezer of the type mentioned in the effect to further develop that this has a particularly large application.

These Task is by a refrigerator and / or freezer solved with the features of claim 1.

After that it is provided that for at least one of the multi-joint hinges, preferably for at least both of the multi-joint hinges, a space in the height direction in the range of 26 mm to 46 mm, preferably in the range of 30 mm to 42 mm and more preferably is present in the range of 33 mm to 39 mm and / or that for at least one of the multi-joint hinges a space in the depth direction in the range of 40 mm to 45 mm, preferably in the range of 41 mm to 44 mm and more preferably in the range of 42 mm to 43 mm is and / or that for at least one of the multi-joint hinges the ratio of space in height direction too Space in the depth direction in the range of 0.74 to 0.94, preferably in the range of 0.78 to 0.90, and more preferably in the range from 0.82 to 0.86.

These Information applies to at least one of the at least two Multi-joint hinges. Preferably, they are valid for at least two of the multi-joint hinges and preferably for all Hinges, by means of which the door is hinged. there in a preferred embodiment, these are two in the vertical direction spaced multi-joint hinges.

The The present invention further relates to a cooling and / or Freezer with at least one interior through at least one door is closable, wherein the Door pivotable by means of at least two multi-joint hinges is, for at least one of the multi-joint hinges the Relationship between space in depth direction and appliance door thickness in the range of 1.53 to 1.67, preferably in the range of 1.56 to 1.64 and more preferably in the range of 1.58 to 1.62.

Also these values are preferably valid for two or all Multi-joint hinges of the device.

The The present invention further relates to a cooling and / or Freezer with at least one interior through at least one door is closable, wherein the Door pivotable by means of at least two multi-joint hinges is. It is preferably provided that the at least two multi-joint hinges together have a carrying capacity of at least 800 N.

The above embodiments of the invention Multi-joint hinges cause, in particular at high single-door devices, due to which Door loading and / or any high furniture door fronts large forces and correspondingly high loads the hinges occur, a high quality and reliability the hinges is guaranteed. By the invention Embodiments of the multi-joint hinges can be achieved that even with special installation constellations, z. B. at very heavy Furniture doors, for example, higher as the device itself or a stainless steel hood or have any other furniture cover, the load limit of the hinges is not exceeded, so that functional problems are reliably avoided.

Preferably It is envisaged that the multi-joint hinge the actual hinge body and a reinforcing plate interposed between the Body or a cross connection of the device and the hinge body is arranged. The multi-joint hinge can thus be a reinforced linkage to the cooling unit. It would be possible For example, an adapter plate between the hinge and the refrigerator, for example, between the hinge and cross-connection of the refrigerator to provide a favorable force introduction from the hinge to the device. By this additional space could be door thicknesses grow to the same extent.

In Another embodiment of the invention is provided that the multi-joint hinge without such a reinforcing plate directly on the device body or is arranged at the cross connection.

Especially It is advantageous if the hinges an opening kinematics have a maximum achievable opening angle allow at least 135 °.

In Another embodiment of the invention is provided that at least one of the multi-joint hinges with a locking mechanism communicates or has a closing mechanism, which moves the door to the closed position.

Thereby can be a safe closing of the door even in severe Doors in the end position 0 ° guaranteed become. This locking mechanism can, for example, by a spring are formed. Alternatively or in addition can be provided that these fields or another component forms an opening mechanism, at least partially an opening force on the door or on the hinge exercises.

The closing force generated by the closing mechanism can increase with smaller closing angle, d. H. the smaller the closing angle, the larger the Closing force.

Conceivable It is, for example, that the closing force at a Door opening angle range between 0 ° and 45 ° in the range between 0 N and 20 N, preferably between 2N and 18N and more preferably between 4N and 16N.

there can be larger at smaller opening angles Closing force present, so that the door safe is closed.

Farther it can be provided that at least one of the multi-joint hinges is associated with a damper mechanism or one Damping mechanism that controls the movement of the door at least partially attenuates.

at This damping mechanism may be, for example to act a hydraulic damper.

Conceivable is it a combined closing damper mechanism provide, which dampens the closing movement and at the same time ensuring that a gentle and at the same time Safe closing of the door in the end position 0 ° is guaranteed.

at The device can be a built-in device.

In Consider, for example, integrated built-in appliances (Fixed door installation) for high niches (eg 1400 mm, 1780 mm or even higher units). in principle However, it is also possible to use it with small niche heights and conceivable, such as at niche heights of 880 mm, 1020 mm, 1220 mm, etc. The niche width can, for example 600 mm without furniture side walls, 24 '' or 700 mm in a tall cabinet without furniture side wall amount.

The The present invention is not limited to built-in appliances. Basically, it is also conceivable, the device as a standalone unit.

The Hinges can have a body-fixed hinge part and have a movable hinge part, which by several links and / or one or more articulated levers are pivotally connected, of which at least one handlebar or a toggle lever of such a spring is acted upon, that these the movable hinge part at least in the area of open position towards this open position loaded.

The hinged hinge part can by a first and a second Handlebar be connected to a toggle lever, which is attached to the body-fixed hinge part hinged, wherein the body-fixed hinge part facing Handlebar connected by a third link with the body-fixed hinge part and wherein between the first and the second link a compression spring is clamped, the between the open and closed position a Passes through dead center position. This ensures that the door once an opening moment in the direction on the open position and on the other hand a closing moment in the direction of the closed position learns.

Farther can be provided that the toggle and the third link run approximately parallel to each other and / or that the first and the second link at least approximately in a middle position parallel to each other.

Further Details and advantages of the present invention will become apparent an embodiment shown in the drawing explained. Show it:

1 : a side view of a multi-joint hinge,

2 : a perspective view of a multi-joint hinge with external damper,

3 FIG. 2: a schematic longitudinal section through a refrigerator and / or freezer in the door area according to the invention, FIG.

4a a cross-sectional view through a refrigerator and / or freezer according to the prior art in the hinge area and

4b : A cross-sectional view through a refrigerator and / or freezer according to the present invention in the door area.

Out 1 a hinge can be seen that serves for the articulation of a refrigerator door to a refrigerator body. The hinge consists of a body-fixed hinge part 1 , which is screwed to a side wall of the cabinet housing when using the hinge for hinging a refrigerator door. The hinge part 1 is bent from a sheet, with the web part 2 the lateral thigh-like parts 3 bent at right angles. The hinge part 1 has an angular shape, wherein an extension of the web portion 4 bent at right angles and the raised leg parts 3 limited.

On the in alignment holes of the thighs 3 Riveted hinge pin 4 are between the thighs 3 the legs of a U-shaped curved articulated lever 5 stored. Between those of the web part of the articulated lever 5 angled thighs 6 are on hinge pins 7 . 8th which penetrate holes in the thighs 6 riveted to the handlebars 9 . 10 pivotally mounted, the other ends hinged to the pivotable hinge part 11 are connected, which is bolted to the door. The pivoting hinge part 11 also consists of a U-shaped bent sheet metal part, between which bent by its web part legs 12 hinge pins 13 . 14 are held in the holes of the legs 12 riveted. On the hinge pin 13 is the other end of the handlebar 9 and on the hinge pin 14 the other end of the handlebar 14 pivoted. Also the handlebars 9 . 10 consist of U-shaped bent sheet metal parts. On the handlebar 9 is between its legs a hinge pin 16 held on the rolled-up eye of a flat sheet metal handlebar 17 is mounted, the other end also has a rolled-up eye on a hinge pin 18 is stored in the holes of the legs 3 of the body-fixed hinge part 1 riveted.

On the hinge pin 20 , between the thighs of the handlebar 10 is held, and the hinge pin 21 , between the thighs of the handlebar 9 is held, are bearing parts for a compression spring 22 pivotally mounted, wherein the compression spring 22 is supported on a pin of a bearing part, which is guided displaceably in the other bearing part.

The hinge joint 1 is shown in its open position, in which the compression spring 22 the movable hinge part 13 seeks to pivot in its open position. When pivoting the pivoting hinge part 11 in the closed position approach the hinge pin 21 each other until they move away from each other after passing through a dead center, so that the compression spring 22 the pivoting hinge part 11 seeks to move into its closed position and holds in this.

To avoid unwanted hitting the door in the open position after walking through the dead center, is on the hinge pin 4 between the thighs 6 of the articulated lever 5 a thigh spring held. This leg spring 25 supports herself with her one thigh 26 on a bolt 27 from whose ends in holes of the legs 3 of the hinge part 1 riveted. The other thigh 28 the thigh feather 25 is based on an adjusting device only in the area of the open position 29 off, with the web part of the articulated lever 5 is provided.

In the 1 illustrated leg spring 26 is optional, that is, the multi-joint hinge according to the present invention may also be embodied without such a brake and / or damping unit.

The multi-joint hinge 200 According to the present invention may be associated with an external damping unit, as for example in 2 with the reference number 100 is shown. This is a hydraulic damper, which is outside the hinge 200 is arranged and hinged at one end to the hinge 200 and hinged to the door at the other end 300 connected is. This closing damping mechanism dampens the closing movement of the door while ensuring that it is securely closed.

3a shows an embodiment of a refrigerator and / or freezer in the door area in a longitudinal sectional view, as known from the prior art. Compared to 3b results in that a load increase of the hinges is achieved in that the usable space 400 the hinges and thus also increases this at least approximately corresponding hinge height in device height direction.

The corresponding installation space is in 3 with the reference number 400 characterized.

in principle can also be thought of, the usable space and thus To increase the hinge dimension in the device depth direction.

4a shows an embodiment in cross section, as known from the prior art. 4b shows an embodiment of the invention. In this case is an adapter plate 500 Zvi provided the body of the refrigerator and / or freezer and the hinge. This allows a favorable force introduction from the hinge 200 on the device. Like this from a comparison of 4a and 4b shows, can be done by this additional space enlargement of the door thickness. In the embodiment shown here results from the inventive design an additional space in the order of about 6 mm. This can, for example, for the hinge-linkage reinforcement in the form of the reinforcing plate 500 or be used by an overall increased hinge depth. The entire space in the depth direction is in 4a . 4b with the reference number 600 characterized.

The Weight distribution on the door results on the one hand by the weight of the appliance door itself, to the other by the door load, finally through any furniture door upstream furniture door as well as by a hand load.

By the dimensions of the installation space according to the invention for the multi-joint hinges, that is through the corresponding increase in the hinge height and / or depth can be achieved such that Stress can be easily absorbed. Here are the Multi-joint hinges according to the present embodiment designed such that the carrying capacity per hinge pair (above and below) at least 800 N, that is 80 kg.

By the closing mechanism of the multi-joint hinge according to the present invention, for example by an external component or by a arranged in the hinge member, such as by the spring 22 according to 1 can be realized, a secure closing of the door is ensured. For example, a closing force of 16 N at 0 ° of 13 N at 5 °, of 10 N at 15 °, of 7 N at 30 ° and of 4 N at 45 ° may be provided per hinge. Of course, these are only exemplary values that do not limit the scope of the invention.

In Another embodiment of the invention is provided that the kinematics of the multi-joint hinges a negative closing angle, that is, an occlusion of at least 1 ° should allow.

The opening force of the device including the magnetic holding force of the device seal should not exceed 70 N to ensure safe opening to ensure the door.

In a preferred embodiment of the invention is further provided that the damper hinge system can be used variably, that is used in the right stop as well as in the left stop can be. It is preferable if a door stop change from right to left or vice versa, if possible from the customer is feasible with less effort.

The The present invention can be applied to single-door devices Find application. From the invention are also devices comprising two doors, such as fridge-freezers in the built-in appliance area.

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - EP 1231346 A2 [0002]

Claims (15)

Refrigerator and / or freezer with at least one interior, which is closed by at least one door, wherein the door is pivotable by means of at least two multi-joint hinges, characterized in that for at least one of the multi-joint hinges a space in the height direction in the range of 26 mm-46 mm , preferably in the range of 30 mm-42 mm and particularly preferably in the range of 33 mm-39 mm is present and / or that for at least one of the multi-joint hinges a space in the depth direction in the range of 40 mm to 45 mm, preferably in the range of 41 mm to 44 mm and particularly preferably in the range of 42 mm to 43 mm and / or that for at least one of the multi-joint hinges, the ratio of space in the height direction to space in the depth direction in the range of 0.74-0.94, preferably in the range of 0.78-0.90, and more preferably in the range of 0.82-0.86. Cooler and / or freezer with at least one interior through at least one door is closed, the door by means of at least two multi-joint hinges is pivotable, characterized that for at least one of the multi-joint hinges Relationship between space in depth direction and appliance door thickness in the range of 1.53-1.67, preferably in the range of 1.56-1.64 and more preferably in the range of 1.58-1.62. Cooler and / or freezer with at least one interior through at least one door is closed, the door by means of at least two multi-joint hinges is pivotable, characterized that the at least two multi-joint hinges together a carrying capacity of at least 800N. Cooler and / or freezer after one of the preceding claims, characterized that the multi-joint hinge the actual hinge body and a reinforcing plate interposed between the Body of the device and the hinge body arranged is. Cooler and / or freezer after one of claims 1 to 3, characterized in that the Multi-joint hinge without reinforcement plate directly is arranged on the device body. Cooler and / or freezer after one of the preceding claims, characterized that the multi-joint hinges an opening angle of at least 135 °. Cooler and / or freezer after one of the preceding claims, characterized that at least one of the multi-joint hinges with a locking mechanism and / or opening mechanism is in communication or a locking mechanism and / or opening mechanism comprising the door moved into the closed position or open position. Cooler and / or freezer after Claim 7, characterized in that by the closing mechanism produced closing force with decreasing closing angle increases. Cooler and / or freezer after Claim 8, characterized in that the closing force at a door opening angle between 0 ° and 45 ° in the range between 0 N and 20 N, preferably between 2 N and 18 N, and more preferably between 4 N and 16 N. Cooler and / or freezer after one of the preceding claims, characterized that at least one of the multi-joint hinges with a damping mechanism communicates or has a damping mechanism, the at least partially dampens the movement of the door. Cooler and / or freezer after Claim 10, characterized in that it is in the damping mechanism is a hydraulic damper. Cooler and / or freezer after one of the preceding claims, characterized that the device is a built-in device. Cooler and / or freezer after one of the preceding claims, characterized that the hinges have a body-fixed hinge part and a movable Have hinge part, which by several links and / or a or more articulated levers are pivotally connected, of which at least a handlebar or a toggle lever so acted upon by a spring is that this the movable hinge part at least in the area the open position in the direction of this open position and / or the be movable hinged part at least in the closed position loaded in the direction of the closed position. The refrigerator and / or freezer according to claim 13, characterized in that the pivotable hinge part is connected by a first and a second link with a hinge lever which is hinged to the body fixed hinge part, that of the body fixed hinge part facing link by a third link the body-fixed hinge part is connected and that between the first and the second link a compression spring is tense, which passes through a dead center between the open and closed positions. Cooler and / or freezer after Claim 13 or 14, characterized in that the articulated lever and the third link approximately parallel to each other and / or that the first and the second link at least in one Middle position approximately parallel to each other.