TR201714800A2 - A Cooling Device Containing a Body with Improved Structural Alignment - Google Patents

Abstract

The present invention relates to a cooling device (1) comprising a body (2) having an inner wall (3) and an outer cabinet (4) having a rear wall (5) produced from a semi-rigid paper material such as cardboard or cardboard. The inner wall (3) and the outer cabinet (4) form an intermediate space (6) which is filled with an insulating material (7), for example polyurethane foam.

Description

DESCRIPTION A BODY WITH IMPROVED STRUCTURAL ALIGNMENT COOLING DEVICE This invention relates to a cooling device with improved structural alignment.

In cooling devices, especially in refrigerators and freezers, inside and outside In order to provide thermal insulation between the environment and the inner wall of the body and the outer an insulating material, usually closed-cell solid polyurethane, between the cabinet is being filled. One or more walls of the outdoor cabinet, usually preferably rear outer wall, optimal insulation and acoustic properties, as well as lightweight, It may be produced from a semi-rigid papery material such as cardboard.

International patent numbered WO2000/35321 in the state of the art cabinet where one or more walls are made of papery material cooling devices are explained. During the manufacturing process, the inner wall and the outer cabinet of the body are usually formed into a mold. is placed inside the mold and insulating material such as polyurethane is filled with liquid. It is injected between them and after a short time, it expands and expands between the wall and the outside. fills the space between the cabinet. Outer cabinet of body with inner wall due to the injection technique used to fill the intermediate volume between liquid insulation material homogeneously in the said volume does not spread. The body is usually the curing of the insulating material. from the mold before it is completed and the insulation material cools. being removed, therefore, the insulating material is not removed from the body from the mold. then it continues to cool. Initial insulating material Due to the inhomogeneity of its distribution, it is placed on the inner wall and the outer part of the body. Different pressure forces act on the cabin, the foam material is uneven. may contract somewhat or local collapse in the cellular structure of the foam may occur and as a result, especially the outer casing is papery. Deformations may occur on the walls made of material.

This can cause problems in the structure of the body, especially the papery outer cabinet. structural alignment due to deformation in the walls made of material problems, as a result of which the body is mounted on the body. Misalignments in accessories supplied and door mounted on body is emerging. These misalignments are mounted on the body, It may cause premature wear of accessories such as hinges, especially the doors that make up the front wall of the refrigerator Problems arise with double-door or multi-door refrigerators that need to be aligned. is taking off.

These misalignments and their consequences are the end user's responsibility. negatively affects total satisfaction.

The object of the present invention is a heatsink comprising a body with improved structural alignment. implementation of the device.

In order to achieve the purpose of this invention, the first request and this request In the refrigeration appliance described in the dependent prompts, at least the rear wall of the outer cabinet It is made of papery material and has multiple protrusions and/or indentations. It contains an outer surface so that the hardness of the rear wall and possible deformations In one embodiment of the invention, the protrusions/recesses make the papery material easy and It is obtained by pressing quickly.

Preferably, protrusions/recesses are almost all over the rear wall. thereby increasing the mechanical resistance of the entire rear wall.

In different embodiments of the invention, the protrusions/recesses are in parallel vertical directions, extending in parallel horizontal directions or in both directions, on the outer surface of the rear wall forms closed shapes.

In one embodiment of the invention, the rear wall is an advantageous selection of the thickness of the rear wall. a raised center obtainable by blow molding contains the region.

In one version of this application, the thickness increase of the rear wall in the central region is 5 It is between mm and 25 mm, preferably between 10 mm and 20 mm. find another version, the protrusions/recesses are almost the same as the thickness of the central region. It has a thickness and/or depth equal to half of it.

In one embodiment of the invention, the inventive cooling device is a refrigerator, especially a double door refrigerator, in another embodiment of the invention a multi door refrigerator is the refrigerator.

The cooling device realized in order to achieve the purpose of this invention is in the attached figures. has been shown, from these figures; Figure 1 shows in one embodiment of the invention a refrigeration appliance with a removed door, i.e. is the front perspective view of the body of the cooling device.

Figure 2 is the body in Figure 1 taken along the longitudinal vertical midplane. is the cutaway view.

Figure 3 shows an embodiment of the invention, from the bottom to the back of the body of Figure 1 perspective views.

Figure 4 is the bottom rear perspective of the outer cabinet rear wall of the fuselage in Figure 3 are their appearances.

Figure 5 is a rear view of the back wall in Figure 4.

Figure 6 and Figure 7, respectively, line VI-VI of Figure 5 of the back wall in Figure 4 section view taken along and enlarged detail of said section view is the view.

Figure 8 and Figure 9, respectively, line VIII-VIII in Figure 6 of the back wall in Figure 4 section view taken along and enlarged detail of said section view is the view.

Figures 10 and 11 are in two other embodiments of the invention, the body of Figure 1 bottom-back perspective views.

The parts in the figures are numbered one by one and the corresponding numbers are given below: l. Cooling device 2. Body 3. Inner Wall 4. Outdoor cabin . back wall 6. Intermediate volume 7. Insulation material 8. Outer surface 9. Protrusions . recesses 11. Central region The cooling device (1) is attached to an inner wall (3) and is semi-rigid, such as cardboard or cardboard. an outer cabinet (4) with a rear wall (5) made of a papery material having a body (2). Between the inner wall (3) and the outer cabinet (4), for example an intermediate volume (6) filled with an insulating material (7), such as polyurethane foam forms.

In this invention, the rear wall (5) of the outer cabinet (4) has an outer surface (8) multiple protrusions (9) and/or recesses (10) located on the surface (8) contains. The protrusions (9) and/or the recesses (10) determine the stiffness of the rear wall (5). by increasing it, during the production of the body (2) of the cooling device (l), the intermediate volume (6) deformed as a result of the transformations of the placed insulation material (7). ensures that it is not. Thus, the structural alignment of the body (2) improvement, thus the realignment phase during the manufacture of the body (2) There is no need for additional working phases such as time and cost are reduced.

In the attached figures and the following descriptions, only the outer cabinet (4) rear wall (5) a cooling device (1) is described. However, the outer cabinet (4) also from a papery material, without departing from the scope of the protection of this invention. produced and having protrusions (9) and/or recesses (10), for example lateral may include other walls such as walls.

Preferably, the protrusions (9) and recesses (10) are on the outer surface (8) of the rear wall (5). is created.

The protrusions (9) and recesses (10) formed in the rear wall (5) also It provides improvement of the acoustic properties of the body (2) of the device (1), It reduces vibrations and therefore the noise produced by the cooling device (l).

In one embodiment of the invention, the protrusions (9) and/or the recesses (10) of the rear wall (5) It is formed on the outer surface (8) by pressing. Thus, on the tooth surface (8) variable to create the desired protrusions (9) and/or indents (10) a rear wall (5) having thicknesses can be easily obtained.

In one embodiment of the invention, the protrusions (9) and/or the recesses (10) of the rear wall (5) It is formed almost entirely on the outer surface (8). A more open that is, the protrusions (9) and/or the recesses (10) equal at least 75% of the outer surface (8). It is formed on an outer surface (8) part. Attached Figure 3, Figure 10 and As shown in Figure 11, the protrusions (9) and/or recesses (10) are preferably surface (8) height equal to at least 75% of the total outer surface (8) height the total outer surface (8) of the width of the outer surface (8) and extends across a portion equal to at least 75% of its width.

In one embodiment of the invention, as shown in Figure 11 and Figure 3, the protrusions (9) and/or at least some of the recesses (10) are connected to each other along vertical directions. runs parallel. Preferably, the protrusions (9) and/or recesses (10) of the outer surface Almost all of the height of the outer surface (8) above the outer surface (8), that is, the outer surface (8) extends vertically for at least 75% of its height. in figure 11 in the embodiment shown, on the rear wall (5) only parallel to each other in the vertical direction It includes protrusions (9) and/or recesses (10) that extend and are spaced apart.

In another embodiment of the invention, as shown in Figure 10 and Figure 3, at least some of the protrusions (9) and/or recesses (10) along horizontal directions run parallel to each other. Preferably, the protrusions (9) and/or the recesses (10) almost the entire width of the outer surface 8 above the surface 8, that is, the outer the surface (8) extends horizontally across at least 75% of its width.

In the embodiment shown in Figure 11, on the rear wall (5) only horizontally protrusions (9) and/or recesses (10) that run parallel and are spaced apart contains.

In another embodiment of the invention, the protrusions (9) and/or recesses (10) are shown in Fig. multiple closed shapes on the outer surface (8) of the rear wall (5) as shown. forms. In the embodiment shown in Figure 3, the rear wall (5) is interlocked with each other. Protrusions (9) and/or indentations forming multiple intermittent dark-colored closed shapes (10) includes.

In the above-mentioned embodiments, on the outer surface (8) of the rear wall (5) protrusions (9) and/or recesses (10) in the rear wall (5) vertical and horizontal to have a homogeneous rigidity throughout, thus, on the rear wall (5), that the cooling device (1) may collapse or deform during the production process. It ensures that weak areas are prevented from being found.

In one embodiment of the invention shown in the attached figures, the rear wall (5) is a contains a raised central region (II), protrusions (9) and/or recesses (10) in the raised central region (ll) above the outer surface (8) of the rear wall (5) is located.

The thickness of the rear wall (5) is increased in the central region (11). of this app In one version, the increase in thickness of the rear wall (5) in the central region (11) is 5 mm. mm, preferably between 10 mm and 20 mm. A particularly enhanced The central region (11) with a thickness is used to improve the stiffness of the rear wall (5). is involved.

In one embodiment of the invention, protrusions (9) and/or recesses (10) (l 1) a thickness and/or depth approximately equal to half the thickness has. Thus, the thickness of some parts of the rear wall (5) is The weakness should not be too small so that the body (2) covers optimally fit all parts of the rear wall (5) so that the volume is not excessively increased. mechanical properties are imparted.

In one embodiment of the invention, the raised central region (1 1) is outside the rear wall (5). It is formed on the surface (8) by blow molding.

In one embodiment of the invention, the above-described cooling device (1) is a is the refrigerator. The above-described cooling device (1) is specifically designed for a double-door The refrigerator is, in another embodiment of the invention, a multi-door refrigerator.

As explained above, possible in the rear wall (5) and thus in the body (2) a rear with mechanical properties to prevent deformations from occurring. wall (5) due to the doors on the front of the refrigerator not being properly aligned. misalignments in the body (2) are directly visible, as a result, decrease in user satisfaction and overall performance of the refrigerator. It is especially important because of its negative impact.

Thanks to this invention, the rear wall (5) of the body (2) of the cooling device (1) in general terms, the walls of the outer cabinet (4) made of papery material have sufficient hardness so that during the manufacturing process of the cooling device (1) possible deformations on the said walls and the body (2) on, premature wear of the accessories of the cooling device (1), (1) deterioration of its aesthetic appearance and, more generally, the user misalignments that may result in decreased satisfaction prevents.

Claims (1)

REQUESTS . An outer cabinet (4) having an inner wall (3), a rear wall (5) made of a papery material, an intermediate volume (6) located between the inner wall (3) and the outer cabinet (4), and an intermediate volume (6 ) multiple protrusions (9) located on the outer surface (8) with an outer surface (8) that the outer cabinet (4) has, comprising a body (2) with an insulating material (7) filled in, and / or a cooling device characterized by a recessed rear wall (5). A cooler as in Claim 1, characterized by protrusions (9) and/or recesses (10) formed by pressing on the outer surface (8) of the rear wall (5). A cooling device (1) as in Claim 1 or 2, characterized by protrusions (9) and/or recesses (10) formed almost entirely on the outer surface (8) of the rear wall (5). . A cooling device (1) as in any one of the above claims, characterized by protrusions (9) and/or recesses (10), at least some of which run parallel to each other in vertical directions. . A cooling device (1) as in any one of the above claims, characterized by protrusions (9) and/or recesses (10), at least some of which run parallel to each other in horizontal directions. . A cooling device (1) as in any one of the above claims, characterized by protrusions (9) and/or recesses (10) forming more than one closed shape on the outer surface (8) of the rear wall (5). . One of the above claims, characterized by the rear wall (5) comprising a raised central region (11) and the protrusions (9) and/or recesses (10) located in the raised central region (II) on the outer surface (8) of the rear wall (5). a cooling device (l) as in any of them. . A cooling device (1) as in Claim 7, characterized by a rear wall (5) whose thickness increases in the central region (1 l). A cooling device (1) as in Claim 8, characterized by the rear wall (5) whose thickness increase in the central region (II) is between 5 mm and 25 mm. A cooling device (1) as in Claim 8 or 9, characterized by protrusions (9) and/or recesses (10) having a thickness and/or depth almost equal to half the thickness of the central region (11). Raised center region (1 ) formed by blow molding on the outer surface (8) of the rear wall (5) A cooling device (1) as in any one of claims 7 to 10, characterized by 1). A cooling device (1) as in any one of the above claims, characterized in that it is a refrigerator. A cooling device (1) as in any one of the above claims, characterized in that it is a double door refrigerator. A cooling device (1) as in any one of claims 1 to 12, characterized in that it is a multi-door refrigerator.