CN104729201A - Refrigerator - Google Patents

Abstract

The present invention provides a refrigerator with excellent design and high recyclability. The refrigerator according to the present invention is provided with a translucent door panel (10) on the surface of the door, a thin plate part (20) on the back side of the door panel (10), a door frame around the edge of the door panel (10), and a partition between the door panel (10). An inner wall member that spatially supports a door frame, and a foam heat insulating material (50) that foams and fills a space formed by the inner wall member, the door panel (10) and the door frame. The thin plate part (20) includes a decorative thin plate (21) that can be recognized from the front of the door panel (10), and a partition thin plate (26a) that separates the decorative thin plate (21) from the foamed heat insulating material (50). (26a) is arranged with the projection position of the operation display part (120) interposed therebetween.

Description

refrigerator

technical field

The present invention relates to a refrigerator provided with a glass material on the surface of a refrigerator door.

Background technique

As the background art in this technical field, there are JP-A-2005-502854 (Patent Document 1) and JP-A-2006-243421 (Patent Document 2).

Patent Document 1 discloses a structure in which, in order to provide a refrigerator having various and high-end appearances, the exterior member of the refrigerator door is configured to include a reflective material formed on a glass member and reflecting light passing through the glass member. The first paint layer, and the second paint layer formed on the first paint layer and having a predetermined color.

In addition, Patent Document 2 discloses a structure for providing a signboard forming plate capable of performing excellent design printing on a signboard body provided with a metallic luster, and capable of being easily and mass-produced with a high yield, and its manufacture. According to the method, a film with a printed metallic luster having a metallic luster and printed is laminated on one side of a transparent substrate via an adhesive layer.

Existing patent documents

patent documents

Patent Document 1: Japanese PCT Publication No. 2005-502854

Patent Document 2: Japanese Patent Laid-Open No. 2006-243421

However, in the structure described in Patent Document 1, since the paint is directly applied to the back surface of the glass member, there is a possibility of unevenness in the application. In addition, since the viscosity and drying time of the paint vary according to changes in temperature and humidity conditions, extremely careful production management is required to obtain the desired quality of finish.

In addition, in the case of providing multiple paint layers, changing the color tone, and arranging patterns, it is necessary to apply the next paint after one paint dries to form multiple paint layers, resulting in a long manufacturing time. Production efficiency is not high.

Next, if the technology of the plate for signage formation described in Patent Document 2 is applied to the door of the refrigerator, since the door is filled with a liquid foaming heat insulating material such as polyurethane foam and in a high-temperature state Foaming, so the foam insulation is in contact with and bonded to the membrane with the printed metallic sheen. In this case, when the foam heat insulating material is foamed, the printed surface provided on the film with printed metallic luster adheres to (firmly adheres to) the foam heat insulating material. As a result, it becomes difficult to separate and disassemble the transparent substrate to which the film with printed metallic luster is bonded and the foamed heat insulating material, and the recyclability of the transparent substrate decreases, making recycling practically impossible due to high recycling costs.

In addition, since the foamed heat insulating material is thermally shrunk by heat radiation and cooling after filling, the foamed heat insulating material shrinks while being adhered to the film with printed metallic luster, and the film with printed metallic luster is damaged or wrinkled, thereby If the appearance deteriorates, the case will be discarded.

Contents of the invention

Therefore, an object of the present invention is to provide a refrigerator with excellent design and high recyclability.

In order to solve the above-mentioned problems, the present invention is characterized in that it includes: a door for opening and closing the opening of the storage compartment, a light-transmitting door panel on the surface of the door, an operation display part of the door panel, a thin plate part on the back side of the door panel, and a door panel of the door panel. The door frame at the peripheral edge, the inner wall member supported by the frame with a space between the door panel and the foam heat insulating material that foams and fills the space formed by the inner wall member, the door panel, and the frame, the thin plate portion includes a A decorative sheet visible from the front of the door panel, and a partition sheet partitioning the decorative sheet from the foamed heat insulating material, the partition sheet being arranged with a projected position of the operation display part interposed therebetween.

The effects of the present invention are as follows.

According to the present invention, it is possible to provide a refrigerator with excellent design and high recyclability. Problems, configurations, and effects other than those described above will be clarified by the description of the following embodiments.

Description of drawings

Fig. 1 is a front view showing a refrigerator according to Embodiment 1 of the present invention.

Fig. 2 is a schematic structural view of a door according to Embodiment 1 of the present invention.

Fig. 3 is a sectional view of the door of the refrigerator according to Embodiment 1 of the present invention.

4 is a cross-sectional view showing a laminated structure of a door panel according to Embodiment 1 of the present invention.

Fig. 5 is a front view of a refrigerator according to Modification 1 of the present invention.

Fig. 6 is a cross-sectional view showing a laminated structure of a door panel according to Modification 1 of the present invention.

7 is a detailed cross-sectional view of an operation display unit according to Modification 1 of the present invention.

Fig. 8 is a rear perspective view of a door panel according to Embodiment 2 of the present invention.

9 is a cross-sectional view showing a laminated structure of a door panel according to Example 2 of the present invention.

Fig. 10 is a sectional view of a door of a refrigerator according to Embodiment 2 of the present invention.

Fig. 11 is an exploded sectional view showing a laminated structure of a door panel according to Embodiment 3 of the present invention.

Fig. 12 is a partial front perspective view showing a laminated structure of door panels according to Embodiment 3 of the present invention.

In the picture:

1A-refrigerator, 2-refrigerator, 3-ice maker, 4-switching room, 5-lower freezer, 6-vegetable room, 2a, 2b, 3a, 4a, 5a, 6a-door, 10-glass plate, 11, 25, 25a, 25b - adhesive, 20, 110, 200 - sheet parts, 21 - decorative sheet, 22 - paint layer, 23 - decorative layer, 24 - opaque layer, 26, 202 - partition sheet, 26a - Partition thin plate (translucent thin plate), 26b - Partition thin plate (colored thin plate), 30 - Inner wall parts, 40, 203 - Frame, 50 - Foam insulation material, 101 - Upper door, 102 - Lower door, 111 - Gradient paint layer, 112-shading layer, 113-background layer, 120-operation display part, 121-menu display part, 201-opening.

Detailed ways

Hereinafter, an embodiment will be described using the drawings.

(Example 1)

Fig. 1 is a front view showing a refrigerator according to a first embodiment. In addition, below, it demonstrates based on the direction when seeing refrigerator 1A from the front.

As shown in FIG. 1 , refrigerator 1A includes refrigerating compartment 2, ice making compartment 3, switching compartment (upper freezer, quick freezer) 4, lower freezer 5 (drawer compartment, first storage compartment), and vegetable compartment 6 (drawer compartment). room, second storage room).

In addition, the refrigerator 1A includes rotary doors 2a and 2b for opening and closing the refrigerator compartment 2, a drawer-type door 3a for opening and closing the ice-making compartment 3, a drawer-type door 4a for opening and closing the switching compartment 4, and a drawer-type door for opening and closing the lower freezer compartment 5. The door 5a and the drawer-type insulated door 6a of the switch vegetable compartment 6.

Fig. 2 is a schematic structural view of a door according to Embodiment 1 of the present invention. However, since the doors 2a and 2b have the same structure, the door 2a is shown as a representative in FIG. 2 . The door 2a is composed of a glass plate (door plate) 10 constituting the front surface, a thin plate member 20 described later, an inner wall member 30 constituting the side of the storage compartment, and a frame 40 constituting the periphery, and the glass plate 10, the inner wall member 30, And the space formed by the frame 40 is filled with the structure of foaming heat insulating material 50 such as polyurethane foam. In addition, the glass plate 10 may be a translucent door panel such as plastic. In addition, a structure in which a vacuum heat insulating material (not shown) is arranged together with the foam heat insulating material 50 can also be employed.

The specific structure of the door 2a includes a thin plate member 20 arranged on the back side of the glass plate 10, an inner wall member 30 formed by sandwiching a foamed heat insulating material 50 behind the thin plate member 20, and a cover covering the periphery of the door 2a. Frame 40. Here, the frame 40 is a molded product made of a resin material, and is composed of an upper frame 41 and a lower frame 42 constituting the upper and lower surfaces, a left frame 43 constituting the left side, and a right frame 44 constituting the right side.

2 is shown in an exploded perspective view with the foam insulating material 50 separated, but actually it is configured to be in close contact with the back surface of the thin plate member 20 , the front surface of the inner wall member 30 , and the inner surface of the frame 40 .

Fig. 3 is a sectional view of the door of the refrigerator according to Embodiment 1 of the present invention. In this embodiment, the glass plate 10 and the thin plate member 20 can be simultaneously held by the holding portions 43a, 43b formed in the frame 40 (43). Specifically, as shown in the figure, the left side frame 43 is provided with a front side holding portion 43a and a rear side holding portion 43b that sandwich and hold the sides of the glass plate 10 and the thin plate member 20 together, and a holding portion that holds the inner wall member 30. 43c. Also, although not shown, the upper frame 41 , lower frame 42 , and right side frame 44 are also provided with the same structure as holding portions 43 a , 43 b , and 43 c , and hold the glass plate 10 , thin plate member 20 , and inner wall member 30 .

Furthermore, the heat insulating foam material 50 can be filled in the space formed between the glass plate 10 including the thin plate member 20, the inner wall member 30, and the frame 40 to form the heat insulating door 2a.

In addition, the left side frame 43 is configured to hold the glass plate 10 and the thin plate member 20 from front and rear by the front holding portion 43a and the rear holding portion 43b, but the holding structure of each frame 40 is not limited thereto. For example, as shown in FIG. 3( b ), the glass plate 10 and the thin plate member 20 may be held by the rear holding portion 43 b instead of the front holding portion 43 a in FIG. 3 ( a ). Moreover, the structure which makes the edge part of the glass plate 10 contact|abut the inner surface of the left side frame 43 may be sufficient. In addition, when forming the door 2a, each frame 40 can also be a combination of these clamping structures and abutting structures, for example, the upper frame 41 and the left side frame 43 can also be a clamping structure, and the lower frame 42 and the right side frame 44 For the abutment structure. That is, the lower side edge and the right side edge of the glass plate 10 abut against the frame 40 (the lower frame 42, the right side frame 44), and the front of the upper side edge and the left side edge is covered by the frame 40 (the upper frame 41, the left side frame). 43) Overlay structure.

Thus, since the front of at least one of the opposing sides of the rectangular glass plate 10 is not covered by the frame 40 , the area of the glass plate 10 that can be recognized from the front can be increased. In particular, since the right edge and the lower edge are located on the front of the refrigerator 1A including the central portion, they are easier for the user to see and confirm than the left edge and the upper edge. Therefore, by exposing the respective fronts of the right side edge and the lower side edge of the glass plate 10 , it is possible to emphasize the flatness and give the impression of a large-capacity storage space to the user.

In addition, in FIG. 1 , the right side edge and the lower side edge of the door 2 a are in a position close to the center of the other doors 2 b and 3 a in the state where the door 2 a is closed. On the other hand, the left edge and the upper edge of the door 2a are located outside in the state which closed the door 2a. Therefore, the left edge and the upper edge of the door 2a may be touched by a user or other structures in the state where the door 2a is closed.

Therefore, the left edge and the upper edge of the outer glass plate 10 are covered with the frame 40 to prevent direct contact of the user or other structures with the door 2a closed. In addition, the door 2b is the same, and the right side edge and the upper side edge of the glass plate 10 located outside are made into the structure which covers the front with the frame 40, and the same effect can be exhibited.

Here, since the frame 40 is formed by resin molding, assembly errors may occur. In addition, especially when foaming and filling rigid polyurethane foam, there is a possibility of deformation due to heat or foaming pressure. On this premise, it is assumed that when the frame 40 sandwiches the entire periphery of the glass plate 10 , partial stress concentration occurs in the glass plate 10 due to these deformations generated during assembly.

Therefore, in the present embodiment, the lower edge and the right edge of the glass plate 10 are in contact with the frame 40 (lower frame 42, right frame 44), and the front of the upper edge and the left edge is covered by the frame 40 ( Upper frame 41, left frame 43) cover. Thus, the amount of deformation during assembly can be absorbed by the contact portions of the lower and right edges of the right and lower edges to the frame 40 (lower frame 42 , right frame 44 ).

Moreover, the handle part which is not shown in figure is provided in the lower frame 42 of the door 2a and the door 2b. The handle portion is formed of a recess, and the user inserts his hand into the gap between the doors 2a and 2b and the drawer doors 3a and 4a, and puts his hand in the recess to open and close the doors 2a and 2b. By providing the handle portion in the lower portion of the door in the recessed portion, the flat surface of the glass plate appears large when viewed from the front, giving the impression of a large-capacity storage space to the user.

In addition, the corners of the glass plate 10 of this embodiment are formed to be approximately 90 degrees. Therefore, when the thin plate member 20 and the glass plate 10 are bonded, the angle can be adjusted, so positioning becomes easy. In addition, although the corners of the glass plate 10 may be rounded or the corners of the thin plate member 20 may protrude, in this embodiment, the thin plate member 20 can be attached to the corners of the glass plate 10 with high dimensional accuracy.

4 is a cross-sectional view showing a laminated structure of a door panel according to Embodiment 1 of the present invention. Next, the lamination structure of the glass plate 10, the thin-plate member 20, and the foam heat insulating material 50 is demonstrated. A thin plate member 20 is bonded to the rear of the glass plate 10 via an adhesive 11 . The sheet member 20 according to this embodiment includes: a decorative sheet 21 ; a paint layer 22 as a paint layer printed on the rear of the decorative sheet 21 ; and a partition sheet 26 bonded via an adhesive 25 . And, the foam heat insulating material 50 is filled in the back of this thin plate member 20 . Furthermore, the paint layer 22 is composed of a decorative layer 23 and an opaque layer 24 .

The decorative sheet 21 may be a base material on which a paint can be applied in a sheet form, for example, a polyester film (PET film). The PET film has high transparency, and by printing on the back side of the base material, it is possible to provide a high-design decorative sheet 21 with a high-grade gloss and a high-quality feeling through which the paint layer can be seen through the film. In addition, PET films are excellent in heat and cold resistance, and are less affected by the external temperature transmitted from the glass plate. In addition, the PET film has excellent strength and is also effective in preventing scattering when glass is broken.

Decorative layer 23 is a layer for decorating the door of refrigerator 1A, and is formed by coating the entire or part of the rear surface of decorative sheet 21 with paint. In addition, the opaque layer 24 is also formed by applying a paint in the same manner, but is a layer for making the rear foam heat insulating material 50 invisible from the front. In addition, when the decoration of the decorative layer 23 is thick and hard to see through, the opaque layer 24 may not be provided, while on the other hand, when the decoration is thin and easy to see through, a plurality of opaque layers 24 may be provided. In addition, by making the partition sheet 26 described later opaque, the opaque layer 24 may not be provided.

The printing method of the decorative layer 23 and the opaque layer 24 can be continuously produced by using a rotary printer by making the decorative sheet 21 a roll-shaped sheet, and gravure printing, offset printing, flexographic printing, etc. can be used.

When applying paint directly to a hard material such as a glass plate as in the past, screen printing (stencil printing) is suitable. However, in this printing method, the ink is applied by extruding ink from the mesh, so the expression of the decoration is limited by the size of the hole, and a detailed expression cannot be obtained. However, for example, gravure printing can express fine shading by changing the mesh size and depth of the surface of the printer, and can provide a refrigerator door panel with high appearance characteristics.

Moreover, when performing screen printing on the back surface of a glass member, coating spot may generate|occur|produce. In addition, due to changes in temperature and humidity conditions, the viscosity and drying time of the paint will vary, so careful production management is required. In addition, in the case of providing multiple paint layers, changing the color tone, or arranging patterns, it is necessary to apply the next paint after one paint is dried to form multiple paint layers, and the production efficiency is not high.

However, because this embodiment only bonds the decorative sheet 21 pre-provided with the paint layer 22 to the back of the glass via the adhesive 11, the production management is easy and the production efficiency can be improved. In addition, even if there is a paint error or a wrong adhesion of the sheet, the glass sheet can be reused as long as the decorative sheet 21 is removed from the glass sheet, so compared with the conventional case of printing directly on the back of the glass sheet, the finished product can be improved. Rate.

However, in such a structure, since the foam heat insulating material is filled in the insulation door of a refrigerator, a paint layer and a foam heat insulating material will adhere|attach. In this case, since the paint layer adheres to the foam heat insulating material during foaming of the heat insulating foam material, separation and disassembly of the glass plate to which the decorative sheet is bonded and the heat insulating foam material becomes difficult, and recyclability decreases.

In addition, polyurethane resin may be used as the ink resin for gravure printing, and in this case, it adheres more firmly to the foam heat insulating material. In addition, due to heat shrinkage after filling of the foam heat insulating material, the foam heat insulating material and the decorative sheet remain in a state of shrinkage, which may cause cracks or wrinkles in the decorative sheet, which may degrade the appearance.

Therefore, in the present embodiment, the partition sheet 26 partitioned from the foamed heat insulating material 50 is provided behind the paint layer 22 via the adhesive 25 . This partition can suppress the decorative sheet 21 from being affected by foaming or thermal shrinkage during filling and foaming of the foam heat insulating material 50 , and can suppress formation of cracks or wrinkles. In addition, it is easy to separate the glass plate 10 and the heat insulating foam material 50, and the recyclability can be improved. Therefore, by bonding the thin plate member 20 composed of the decorative thin plate 21 and the partition thin plate 26 to the glass plate 10, a refrigerator with high designability and high recyclability can be obtained. In addition, in the manufacturing process, by attaching the thin plate member 20 to the back surface of the glass plate 10 once, production management is easy and production efficiency can be improved.

Moreover, in order to prevent damage to the glass plate 10 or the paint layer 22 at the time of conveyance or assembly of the glass plate 10, a protective film may be provided temporarily. By providing the partition sheet 26, even if the protective film is damaged, the partition sheet 26 remains, so that the protection characteristic can be improved. In addition, in order to reduce costs and improve production efficiency, the partition sheet can also be used as a protective film.

The partition sheet 26 may partition the paint layer 22 and the foamed heat insulating material 50 in a sheet form, but specifically, for example, a biaxially stretched polypropylene film (OPP film) is exemplified. Since the OPP film has excellent heat resistance and high strength, it can protect the paint layer without deforming against the high temperature at the time of filling the foam insulation material.

In addition, the size of each structure illustrated in FIG. 4 does not limit the actual size. For example, the partition sheet may be configured to have a smaller width (thinner) than the decorative sheet. Since the decorative sheet is a substrate material of the paint layer, and in order to further improve the property of preventing scattering when the glass plate is broken, it is necessary to increase the width dimension. On the other hand, the partition sheet does not have such a limitation, and by making it thinner, it is possible to save resources and reduce costs. As an example of the structure, a PET film is used as a decorative sheet and an OPP film is used as a partition sheet. As an example of the width, PET is about 50 microns and OPP is about 25 microns.

(Modification 1)

Next, as Modification 1 of Embodiment 1, a structure in which only a thin-plate member with a gradation decoration is provided on a rotary-type insulating door and a touch-type operation unit is provided will be described. In addition, the same parts, arrows, and the like are denoted by the same symbols, and overlapping descriptions are omitted.

Fig. 5 is a front view of a refrigerator according to Modification 1 of the present invention. Fig. 6 is a cross-sectional view showing a laminated structure of a door panel according to Modification 1 of the present invention. 7 is a detailed cross-sectional view of an operation display unit according to Modification 1 of the present invention.

In 100 A of refrigerators shown in FIG. 5, only the revolving doors 2a and 2b which are the upper door 101 are provided with the thin-plate member 110 mentioned later which provided the gradation decoration. On the other hand, the lower door 102 composed of the drawer doors 3a, 4a, 5a, and 6a is decorated by directly applying paint to the back of the glass. Moreover, the operation display part 120 is provided in the door 2a.

As shown in FIG. 6 , a gradation-decorated sheet member 110 is provided with a gradation paint layer 111 behind the decorative sheet 21 . The gradation paint layer 111 is composed of at least a shaded layer 112 to which shades of colors are applied, and a background layer 112 that becomes the background color of the shaded layer 112 . In addition, in this embodiment, although it is a two-layer structure of a shade layer and a background layer, it is not limited thereto. Depending on the decoration desired to be expressed, the decorative layer may be provided on the entire surface of the shaded layer, or a plurality of these layers may be provided.

This modified example is characterized in that only the upper door 101 is provided with a thin plate member 101 capable of more fine decoration. Since the upper door 101 is installed at a height that is easily seen by the general user's eyes (as an example, the range of 843 mm to 1818 mm from the installation floor), and has the largest area (the total of the left and right doors), so by giving Changes in color tone or arrangement of patterns can efficiently improve appearance performance.

On the other hand, the lower door 102 is less conspicuous than the upper door 101 because it is a door at a height below the height of a general user's eyes (as an example, the range from the installation floor to 975 mm). Moreover, since the decoration is implemented behind the thick glass plate 10, the visibility of the decoration is poor when viewed directly at the position of the line of sight or viewed from a certain angle. Accordingly, the lower door 102 may also be a solid tone or no pattern. With such a configuration, cost can be reduced by limiting it to the more effective upper door 101 compared to the case where thin plate members are provided for all the doors.

As shown by the doors 2a and 3b in FIG. 5 , the gradation paint layer 111 of the upper door 101 in this modified example has a structure in which the concentration is the highest at the top and gradually becomes thinner toward the bottom. In a kitchen where a refrigerator is installed, lighting is usually installed at the same height as the ceiling, so the upper part is a well-lit and clearly visible part. Therefore, by increasing the density of the part with good light, it is possible to further emphasize the sense of gradation.

In this modified example, there is a gradation structure in which shades are added up and down, but it is not limited thereto. It can also be a gradient structure in which shades are added to the left and right or obliquely. Specifically, for example, it may be thicker on the left and right and gradually thinner toward the center, and this structure can give the user a sense of slimness.

In addition, in this modification, although the 6-door type refrigerator was demonstrated, it is not limited to this. It can also be applied to a 3-door type that divides the storage space in the refrigerator into three vertically, a 2-door type that divides into two vertically, and a structure that covers one side of the vertically long storage compartments that are arranged side by side with a single door side-by-side refrigerator.

In other words, in a refrigerator provided with a plurality of doors, at least one door has a front surface formed of a glass plate with a thin plate member provided with a paint layer attached to the back, and the other doors have a structure in which the paint is directly applied to the glass plates. Thereby, a specific door is provided with a change in color tone or a pattern is arranged, while other doors are configured in a single color or without a pattern, and it is possible to attract users' attention to a specific door while suppressing costs.

Next, the structure provided with the operation display part is demonstrated. FIG. 7 shows the arrangement of the operation display unit 120 in a cross-sectional view. The operation display part 120 is stacked with: a menu display part 121 directly printed on the front of the glass plate 10; a light-transmitting film, that is, a thin plate 122, which is a light-transmitting film on which operation contents are written with characters or symbols; A plurality of touch electrodes for input and an operation display control unit 123 of an LED light emitting unit (neither of which are shown in the figure); The thin plate 122 and the operation display control unit 123 are integrally held by the housing 124, and slide in the left and right directions in the space formed between the glass plate 10 of the door 2a and the foam heat insulating material 50 to be positioned at a predetermined position of the door 2a.

The menu display unit 121 can always be checked, but the operation display of various operation contents printed on the sheet 122 cannot be checked normally. When the menu display portion 121 is touched by the user, the LED light emitting portion emits light, and various settings, operation contents and the operation portion of the refrigerator are displayed through the thin plate member 110 and the glass plate 10 . With such a structure, the content of the thin plate member 110 is not normally displayed on the front of the glass plate 10, but the user lights up and displays the content of the thin plate member 110 when necessary, so that the flat surface of the glass plate 10 can be emphasized normally, and the Improve design. And because the LED is lit only when necessary, power consumption can be suppressed.

One of the features of this modified example is that a menu display portion 121 is provided on the surface of the glass plate 10 . If direct and partial printing is provided behind the glass plate 10 , there may be a gap with the thin plate 110 , resulting in peeling of the thin plate member 110 . In addition, when the decorative sheet 21 of the thin plate member 110 is coated with paint to provide the menu display portion 121, it is necessary to accurately position the thin plate member 110 and the operation display portion 120, and the production efficiency deteriorates.

In addition, since the menu display portion 121 is an operation portion for lighting up and displaying the contents of the sheet 122, it is necessary for the user to recognize it. The visibility of the middle menu display portion 121 is lowered. Therefore, in this embodiment, the menu display portion 121 is provided on the surface of the glass plate 10 . In this manner, when the user touches the menu display portion 121 , the position of the menu display portion 121 can be recognized due to the difference in texture between the surface of the glass plate 10 and the printed surface. In addition, since the thin plate member 110 is provided on the back of the glass plate 10 , the menu display portion 121 can be displayed from the front of the glass plate 10 , and the decrease in visibility due to the reflection of the glass plate 10 can be suppressed.

(Example 2)

Next, Example 2 will be described. In addition, the same parts, arrows, etc. as those in Example 1 are denoted by the same symbols, and overlapping descriptions are omitted.

Fig. 8 is a rear perspective view of a door panel according to Embodiment 2 of the present invention. FIG. 9 is a cross-sectional view showing a laminated structure of a door panel according to Example 2. FIG. Fig. 10 is a cross-sectional view of the door of the refrigerator according to the second embodiment.

An opening 201 is formed in a part of the back surface of the thin plate member 200 . Specifically, the opening 201 is formed by cutting away a part of the partition sheet 202 , in this embodiment, the vicinity of the four corners, etc., to expose the paint layer 22 .

FIG. 9 shows a stacked structure at the opening 201. As shown in FIG. The glass plate 10, the thin plate member 200, and the frame of the insulating door are temporarily fixed with an adhesive tape (not shown) or the like, and the foamed heat insulating material is filled. Thus, the paint layer 22 is bonded to the foamed heat insulating material 50 only at the portion of the opening 201 . In other words, the glass plate 10 is also supported by the foamed heat insulating material 50 via the thin plate member 200 .

In this embodiment, as shown in FIG. 10 , the frame 203 supports the end of the glass plate 10 from the back surface, and is different from the structure in which the glass plate 10 is clamped or abutted as in the first embodiment.

According to this embodiment, since the frame cannot be seen from the front of the refrigerator main body, the recognizable area of the glass plate 10 can be enlarged, so the flatness of the glass plate 10 can be expressed more effectively. In addition, since the bonding surface with the foam heat insulating material is limited to a part (opening 201 ) at the time of disassembly, separability is not greatly impaired. In addition, in this embodiment, although the opening 201 of a recessed part was provided in the four corners, it is not limited to this.

(Example 3)

Next, Example 3 will be described. In addition, the same configurations as in Embodiments 1 and 2 are denoted by the same reference numerals, and redundant descriptions are omitted.

Fig. 11 is an exploded sectional view showing a laminated structure of a door panel according to Embodiment 3 of the present invention. Fig. 12 is a partial front perspective view showing a laminated structure of door panels according to Embodiment 3 of the present invention.

In this embodiment, the decorative sheet 21 is attached to the rear surface of the glass plate 10 with the adhesive 11, and the partition sheet 26b is attached to the rear surface with the adhesive 25b. Here, the partition sheet 26 b has a transparent or translucent structure, and has a function of separating the foamed heat insulating material and the decorative sheet 21 .

Here, it is assumed that the concealment is lowered by the color of the decorative sheet 21 , and the foamed heat insulating material is confirmed through the decorative sheet 21 from the front of the glass plate 10 . In this case, designability is impaired.

Therefore, in the present embodiment, the colored partition sheet 26a is attached to the rear surface of the decorative sheet 21 and the partition sheet 26b with the adhesive 25a. Thereby, the concealability is improved, the foam heat insulating material is prevented from being seen through the front of the glass plate 10, and the design property is improved. In addition, the decorative sheet 21 and the foamed heat insulating material are separated by the partition sheet 26a.

In addition, the color of the colored partition sheet 26a is not particularly limited, but as an example, a white paint layer is provided on the side facing the partition sheet 26a. That is, the partition sheet 26a has a colored layer on the side of the glass plate 10 . Thereby, the impression of the color and pattern shown by the decorative sheet 21 does not need to be greatly changed, and the concealability can be improved.

The colored partition sheet 26 a is arranged at a position not to block the front of the operation display unit 120 . That is, the colored partition sheet 26 a is provided on the back surface of the glass plate 10 (the back surface of the decorative sheet 21 ) across the front projection position of the operation display unit 120 . As an example, the colored partition sheet 26a is arranged above and below the position of the operation display control section 123 , and the colored partition sheet 26a is not provided in front of the operation display control section 123 . Thereby, without reducing the visibility of the operation display part 120, the display content can be clearly projected to the front of the glass plate 10 by the lighting means, such as LED.

In addition, a transparent or translucent partition sheet 26 b is attached to substantially the entire surface of the glass plate 10 including the front of the operation display unit 120 , that is, the entire surface of the decorative sheet 21 . Even if it is pasted on the entire surface of the decorative sheet 21, the display of the operation display unit 120 is not blocked because the partition sheet 26b is transparent or translucent. In addition, instead of providing the transparent or light-transmitting partition sheet 26b, a colored partition sheet 26a may be separately provided to have a function of separating the decorative sheet 21 and the foam heat insulating material.

As described above, according to each embodiment of the present invention, the following effects can be achieved.

That is, a door that opens and closes the opening of the storage room, a light-transmitting door panel on the surface of the door, an operation display portion of the door panel, a thin plate portion on the back side of the door panel, a door frame around the edge of the door panel, and a partition between the door panel and the door panel. An inner wall member spatially supported by the frame, and a foam heat insulating material foamed and filled in a space formed by the inner wall member, the door panel, and the frame, wherein the thin plate portion includes a decorative thin plate that can be seen from the front of the door panel, And a partition sheet for partitioning the decorative sheet and the foam heat insulating material, the partition sheet being arranged with the projection position of the operation display part interposed therebetween. Thereby, the concealability is improved, and even if various colors and patterns are expressed on the decorative sheet, it is possible to suppress the confirmation of the foamed heat insulating material.

In addition, there is a door for opening and closing the opening of the storage room, a light-transmitting door panel on the surface of the door, a thin plate part on the back side of the door panel, a door frame around the edge of the door panel, and a frame supported by the frame with a space between the door panel and the door panel. An inner wall member, and a foam heat insulating material that foams and fills the space formed by the inner wall member, the door panel, and the frame, the thin plate portion includes a decorative thin plate that can be seen from the front of the door panel, and a decorative thin plate that separates the decorative thin plate from The partition part of the above-mentioned foam heat insulating material.

Thereby, the decorative sheet is suppressed from being affected by foaming or thermal shrinkage during filling and foaming of the foam heat insulating material, and formation of cracks or wrinkles can be suppressed. In addition, it is easy to separate the door panel and the foam heat insulating material 50, and the recyclability can be improved.

In addition, it includes a door for opening and closing the opening of the storage room, a glass plate on the front surface of the door, a film portion on the back surface of the glass plate, a frame around the edge of the glass plate, and a frame supported by the frame with a space between the glass plate and the glass plate. An inner wall member, and a foam heat insulating material that foams and fills a space formed by the inner wall member, the glass plate, and the frame, the film portion includes a decorative sheet and a partition sheet, and the decorative sheet has a In the paint layer that can be seen from the front of the door panel, the partition sheet is provided at a position that partitions the paint layer of the decorative sheet from the foam heat insulating material.

Thereby, it is possible to prevent the paint layer from sticking to the foam heat insulating material, and to suppress the occurrence of wrinkles or cracks on the decorative sheet.

In addition, the above-mentioned decorative sheet is a polyester film, and the above-mentioned partition sheet is a stretched polypropylene film.

Thereby, a paint layer can be confirmed through a polyester film, and design property can be improved by the gloss of a film. In addition, the polyester film is excellent in heat and cold resistance, and can reduce the influence of the external temperature from the glass plate. In addition, since the stretched polypropylene film has excellent heat resistance and high strength, it can protect the paint layer against high temperatures during filling of the foam insulation material.

In addition, an upper door and a lower door provided below the upper door are provided, and the upper door includes a glass plate on the surface of the upper door, a film portion on the back of the glass plate, a frame around the edge of the glass plate, and the above-mentioned The glass plate is supported by the inner wall member of the frame with a space therebetween, and the foam heat insulating material that foams and fills the space formed by the inner wall member, the glass plate, and the frame, the film portion includes a decorative sheet and a partition sheet, and the above-mentioned The decorative sheet has a paint layer that can be seen from the front of the door panel on the side of the partition sheet, the partition sheet is provided at a position that partitions the paint layer of the decorative sheet from the foam heat insulating material, and the paint layer constitutes an upper portion The shade is thicker than that of the lower part, and gradually becomes lighter toward the bottom. The lower door has a glass plate on the surface of the lower door and a screen printing layer on the back of the glass plate.

Thus, the upper door has a change in color tone and the lower door has a monochromatic structure, and it is possible to draw the user's attention to the upper door at the height of the eyes of a general user while suppressing the cost.

In addition, this invention is not limited to the above-mentioned Example and modification, Various modification is included. For example, the above-described embodiments are examples described in detail to describe the present invention in an easy-to-understand manner, and are not necessarily limited to having all the configurations already described. In addition, a part of the structure of a certain example can be replaced with the structure of another example, and the structure of another example can also be added to the structure of a certain example. In addition, addition, deletion, and replacement of other configurations can be performed on part of the configurations of the respective embodiments.

For example, the above-mentioned embodiment exemplifies a 6-door type, but it can also be applied to other types of refrigerators as long as the door surface has a glass material. Moreover, although the rotary type insulating door 2b was illustrated and demonstrated, the same structure can also be applied to a drawer type insulating door. In addition, although it is described that it is bonded with an adhesive, it may be an adhesive.

Claims (3)

1. A refrigerator, characterized in that, possesses: opening and closing doors of storerooms; a light-transmitting door panel on the surface of the door; The operation display part of the door panel; a thin plate portion on the back side of the door panel; a door frame at the peripheral edge of the door panel; an inner wall member supported to the frame with a space from the door panel; and a foam heat insulating material that foams and fills the space formed by the inner wall member, the door panel, and the door frame, The thin plate portion includes a decorative thin plate that can be seen from the front of the door panel, and a partition thin plate that separates the decorative thin plate from the foamed heat insulating material, The partition thin plate is disposed with a projection position of the operation display section interposed therebetween. 2. The refrigerator according to claim 1, characterized in that, The partition sheet has a colored layer on the door panel side. 3. The refrigerator according to claim 1 or 2, characterized in that, A transparent or translucent partition sheet is provided between the partition sheet having the colored layer and the device sheet and within a range including the projected position of the operation display portion.