JP2022075899A - refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator which adopts an outer panel support method, which is created in consideration of a location and a shape of each door and suitable for each door, and to improve the design.

SOLUTION: A storage room door has a structure in which an end surface at the outer side in a lateral direction of an outer panel 10 is covered by a frame member 21 and a front surface at the outer side in the lateral direction of the outer panel 10 is not covered with the frame member 21. The frame member 21 includes: a front extending part 21e which covers the end surface at the outer side in the lateral direction of the outer panel 10; a flange part 21a which supports a rear surface at the outer side in the lateral direction of the outer panel 10; and a body part 21b extending to the front extending part 21e and the flange part 21a. A groove part 21f is disposed between the front extending part 21e and the flange part 21a.

SELECTED DRAWING: Figure 5

COPYRIGHT: (C)2022,JPO&INPIT

Description

The present invention relates to a refrigerator having an outer panel on the surface of the door.

In recent years, as a refrigerator door, a door having a glass outer plate on the surface of the door to improve the design has become widespread in order to improve the glossiness. Further, there is a refrigerator in which some of the four sides of the upper, lower, left and right sides of the outer plate are supported by a frame member having a U-shaped cross section, and the remaining sides are supported by a frame member having an L-shaped cross section. For example, in Patent Document 1 below, for two rotary refrigerator doors adjacent to the left and right, the rotation shaft side of the outer plate is supported by a frame member having a U-shaped cross section, and the anti-rotation shaft side of the outer plate is supported. Is disclosed as a refrigerator supported by a frame member having an L-shaped cross section.

Japanese Unexamined Patent Publication No. 2014-40932

However, the invention described in Patent Document 1 is merely one in which a part of one outer plate is supported by a U-shaped frame member and the rest is supported by an L-shaped frame member. Further, with respect to the refrigerating room door near the user's line of sight, since the front surface of the outer plate on the rotating shaft side is covered with the frame member, there is a concern that the design may be deteriorated.

An object of the present invention is to provide a refrigerator having improved design by adopting a method of supporting an outer panel suitable for each door in consideration of the location and shape of each door.

The present invention comprises a storage room door, wherein the storage room door has an outer plate and a frame member for supporting the outer plate, and the storage room door has left and right outer end faces of the outer plate. The front surface of the left and right outer sides of the outer plate is not covered with the frame member, and the frame member has a front extension portion that covers the left and right outer end faces of the outer plate and the outer plate. A flange portion that supports the back surfaces of the left and right outer sides of the door, and a main body portion that extends to the front extension portion and the flange portion, respectively, and a groove portion is arranged between the front extension portion and the flange portion. It is characterized by.

According to the present invention, the upper two doors have improved design because the front surface of the outer plate on the rotating shaft side is not covered with the frame member, and the dimensional tolerance at the time of assembly tends to increase. As for the door, the gap between the end face of the outer plate and the frame member becomes difficult to see even for the user, and it is possible to provide a refrigerator having an improved appearance design as a whole.

It is a front view which shows an example of the refrigerator which concerns on embodiment of this invention. It is an exploded perspective view which shows the rotary insulation door. FIG. 3 is a cross-sectional view taken along the line III-III of FIG. It is sectional drawing which shows the main part P1 of FIG. 3 schematically. It is sectional drawing which shows the main part P2 of FIG. 3 schematically. FIG. 6 is a sectional view taken along line IV-IV of FIG. It is sectional drawing which shows the detailed structure of a glass. It is a perspective view when the drawer type insulation door is seen from the front side. FIG. 5 is a sectional view taken along line VV of FIG. FIG. 6 is a sectional view taken along line VI-VI of FIG.

Hereinafter, as an embodiment of the present invention, a 6-door type refrigerator 1 will be described as an example, but the number of doors is not limited, and the present invention may be applied to a type having 5 doors or less or a 1-door type. Further, in the following, the direction when the refrigerator 1 is viewed from the front will be described as a reference. Further, in the drawings shown below, the same members are appropriately designated by the same reference numerals, and duplicated description will be omitted as appropriate. Further, the size and shape of the member may be deformed or exaggerated schematically for convenience of explanation. Further, in the following description, the "front surface" side means the front side of the refrigerator 1, and the "back surface" side means the rear side of the refrigerator 1.

FIG. 1 is a front view showing an example of a refrigerator according to an embodiment of the present invention.

As shown in FIG. 1, the refrigerator 1 includes a refrigerating room 2, an ice making room 3, a switching room (upper freezing room, quick freezing room) 4, a lower freezing room 5, and a vegetable room 6. The line shown by the alternate long and short dash line in FIG. 1 indicates the position where the reaction type hot melt adhesives 70 and 70A, which will be described later, are applied.

The refrigerator 1 has a rotary (hinge type) heat insulating door 2a and 2b that opens and closes the refrigerating chamber 2, a drawer type heat insulating door 3a that opens and closes the ice making room 3, and a drawer type heat insulating door that opens and closes the switching room 4. It is provided with 4a, a drawer-type heat-insulating door 5a for opening and closing the lower freezer compartment 5, and a drawer-type heat-insulating door 6a for opening and closing the vegetable compartment 6. Since the rotary heat insulating door 2a and the heat insulating door 2b have the same configuration, the heat insulating door 2a will be described as a representative.

FIG. 2 is an exploded perspective view showing a rotary heat insulating door.

As shown in FIG. 2, the heat insulating door 2a is arranged on the glass outer plate 10 provided on the surface of the heat insulating door 2a, the door frame 20 provided on the peripheral edge of the outer plate 10, and the back surface of the outer plate 10. The foam heat insulating material 50 (see FIG. 3) filled with the vacuum heat insulating material 30 interposed therebetween the vacuum heat insulating material 30 in the space 40 formed by the outer plate 10 and the door frame 20, and the back surface of the door frame 20. It is configured to include an inner plate 60 provided on the (rear surface).

The outer plate 10 is made of a translucent rectangular flat plate member that forms an outer wall (outer shell, design surface) on the surface (front surface) side of the heat insulating door 2a. The outer peripheral portion of the outer plate 10 is attached to the inner front end portion of the vertically long square frame-shaped door frame 20, and is covered by the door frame 20. The door frame 20 is made of, for example, ABS (acrylonitrile butadiene styrene copolymer) resin.

The door frame 20 includes an outer frame member 21 formed along the right edge of the outer plate 10, an inner frame member 22 formed along the left edge of the outer plate 10, and an upper edge of the outer plate 10. The upper frame member 23 formed along the above and the lower frame member 24 formed along the lower edge portion of the outer plate 10 are configured in combination.

Flange portions (brimmed portions) 21a, 22a are attached to the frame members 21, 22, 23, 24 by an outer peripheral edge portion of the outer plate 10 and a reactive hot melt adhesive 70 (hereinafter, abbreviated as adhesive 70). , 23a, 24a are formed. The outer plate 10 is preferably a flat plate material made of tempered glass, but may be a translucent flat plate material such as plastic or a ceramic flat plate material such as ceramic.

In the present embodiment, the case where the four outer peripheral sides of the outer plate 10 are adhered to the flange portions (brimmed portions) 21a, 22a, 23a, 24a with the adhesive 70 will be described as an example, but the present invention is limited to the four outer peripheral sides. However, at least one side may be adhered with the adhesive 70, and the other sides may be adhered to the flange portions (brimmed portions) 21a, 22a, 23a, 24a with double-sided adhesive tape (not shown).

Further, in the present embodiment, a case where the four outer peripheral sides of the outer plate 10 are bonded to the flange portions 21a, 22a, 23a, 24a with the adhesive 70 will be described as an example, but the four outer peripheral sides are bonded to the double-sided adhesive tape (not shown). ) May be adhered.

FIG. 3 is a cross-sectional view taken along the line III-III of FIG. In the present embodiment, the heat insulating door 2a is described, but since the heat insulating doors 2b provided side by side in the left-right direction have a symmetrical structure, the description of the heat insulating door 2b is omitted.

As shown in FIG. 3, the outer frame member 21 has a plate-shaped main body portion 21b extending in the front-back direction (front-back direction of the refrigerator 1). The main body portion 21b is formed with a flange portion 21a that extends along the outer plate 10 side and at right angles to the main body portion 21b. The flange portion 21a is located at a substantially end portion on the front side of the outer frame member 21. Further, the main body portion 21b is formed with a reinforcing rib 21c extending in parallel with the flange portion 21a. The reinforcing rib 21c has a function of reinforcing the outer frame member 21 and a function of enhancing the adhesiveness between the outer frame member 21 and the foamed heat insulating material 50.

The material of the vacuum heat insulating material 30 is not particularly limited, but for example, the vacuum heat insulating material 30 is made of a heat insulating material in which a core material such as glass wool having a porous structure is vacuum packed with a laminated film and the inside is depressurized and sealed. Since the thermal conductivity is almost zero, it has excellent heat insulating performance. Further, the vacuum heat insulating material 30 is formed in a flat plate shape and is adhered to the back surface side of the outer plate 10.

In the heat insulating door 2a, the outer plate 10 and the inner plate 60 are arranged apart from each other in the front-rear direction (front and back directions), the vacuum heat insulating material 30 is arranged on the surface side of the space 40, and the heat insulating material 30 is foamed in the space excluding the vacuum heat insulating material 30. The heat insulating material 50 is configured to be arranged. The vacuum heat insulating material 30 is formed to have a shorter length in the left-right direction (width direction) than the outer plate 10, and the foam heat insulating material 50 is also filled between the left end of the vacuum heat insulating material 30 and the inner frame member 22. ..

The foamed heat insulating material 50 has a function as a heat insulating material and a function as an adhesive. Further, the foam heat insulating material 50 is provided with the vacuum heat insulating material 30 in the space 40 formed by the outer plate 10 on which the vacuum heat insulating material 30 is placed in the central portion and the door frame 20 attached to the outer periphery of the outer plate 10. By interposing and filling, it is adhered to the inner wall surface of the space 40. Therefore, the foam heat insulating material 50 is adhered to the back surface of the outer plate 10 in a state of covering the vacuum heat insulating material 30.

In the present embodiment, the vacuum heat insulating material 30 is adhered to the back surface side of the outer plate 10, but the structure is not limited to this, and the vacuum heat insulating material 30 may be adhered to the inner plate 60 side. The foam heat insulating material 50 may be interposed on the front and back surfaces of the vacuum heat insulating material 30 without being adhered to either the outer plate 10 or the inner plate 60.

Further, the foam heat insulating material 50 is made of hard urethane foam. This rigid urethane foam is formed by foaming the urethane foam stock solution (raw material solution of the foamed heat insulating material) injected into the space 40 inside the heat insulating door 2a and then curing it. By the way, as the urethane foam undiluted solution, for example, a solution obtained by premixing a polyether polyol with a foaming agent such as cyclopentane and water, and an auxiliary agent such as a catalyst and a foam stabilizer, and an isocyanate solution are used. Can be mentioned.

The inner plate 60 is a plate member made of resin (ABS or the like) provided on the storage chamber side of the heat insulating door 2a. Further, the inner plate 60 is fixed to the peripheral edge portion on the back surface side of the door frame 20. Further, on the outer peripheral portion on the back surface side of the inner plate 60, a sealing member (not shown) is provided for ensuring the airtightness of the storage chamber by bringing the heat insulating door 2a into close contact with the refrigerator main body.

Further, although it is simplified and shown by a thick line in FIG. 3, a paint layer 80 is provided on the back surface of the outer plate 10, and a shatterproof film 90 is provided on the back surface of the paint layer 80. Details of the paint layer 80 and the shatterproof film 90 will be described later (see FIG. 7).

FIG. 4 is a cross-sectional view schematically showing the main part P1 of FIG. Note that FIG. 4 is an enlarged cross-sectional view showing the flange portion 22a of the inner frame member 22 and its periphery.

As shown in FIG. 4, the flange portion 22a is a plate-shaped member in a cross-sectional view extending parallel to the outer plate 10. Further, the flange portion 22a is formed so as to extend in a direction orthogonal to the paper surface of FIG. 4 (see FIG. 2). Further, the flange portion 22a is formed with a rib 22d protruding toward the outer plate 10 on the surface on the outer plate 10 side. The rib 22d is located on the proximal end side of the flange portion 22a.

The outer plate 10 is made of a flat plate-shaped member, and chamfered portions 10a and 10a are formed at the corner portions on the front surface side and the corner portions on the back surface side of the end portions thereof. The chamfered portion 10a has corners cut in a straight line, but is not limited to such a shape, and as shown by a broken line, the entire end face is curved (arc-shaped). It may be formed in. Further, the chamfered portion 10a may be formed only on the surface side of the outer plate 10.

The inner frame member 22 extends from the main body portion 22b toward the surface side, and a proximity portion 22e adjacent to the end surface of the outer plate 10 is integrally formed. At this time, it is preferable that the dimension of the gap S1 between the end surface of the outer plate 10 and the proximity portion 22e is small. The size of the gap S1 is preferably 0.5 mm or less in consideration of the variation (fitting tolerance) caused by the dimensions of the outer plate 10 and the frame member 20 at the time of assembly, and is closer to 0 in consideration of the appearance design. Is more preferable.

The plate thickness of the proximity portion 22e in the left-right direction is formed to be thinner than the plate thickness of the main body portion 22b. Further, the surface 22b1 on the left side of the main body portion 22b (the side close to the adjacent heat insulating door 2b) and the surface 22e1 on the left side of the proximity portion 22e are configured to be flush with each other. As a result, when the user looks at the refrigerator from the front, the proximity portion 22e becomes inconspicuous, and the surfaces of the heat insulating doors 2a and 2b provided adjacent to the left and right can be made to look like one large glass surface. It can improve the appearance design.

The rib 22d formed on the flange portion 22a is located inside (center side in the left-right direction) of the positions of the chamfered portions 10a and 10a (line L1 indicated by the alternate long and short dash line). This makes it possible to prevent the gap between the outer plate 10 and the rib 22d from becoming large.

Further, the surface portion of the outer plate 10 is located on the front side of the front end of the proximity portion 22e. At this time, by exposing at least a part of the chamfered portion 10a, the chamfered portion 10a of the outer plate 10 and the front end portion of the proximity portion 22e can be expressed as a continuous inclined surface, and the appearance design can be improved. Further, the adhesive 70 is applied to the flange portion 22a inside the rib 22d. Then, when the adhesive 70 is pressed by the outer plate 10, the outer plate 10 is adhered and fixed to the inner frame member 22. In FIG. 4, the adhesive 70 indicated by dots indicates the state after fixing, and the elliptical shape indicated by the alternate long and short dash line indicates the state before fixing (before pressing the outer plate 10). The adhesive 70 before fixing is formed higher than the height of the rib 22d.

Here, the thickness of the hot melt adhesive will be described. In the present embodiment, the thickness of the adhesive 70 is set to be larger than 0.4 mm and 0.6 mm or less except for a portion that is difficult to process due to the design.

The adhesive 70 is a mixture of a prepolymer and an isocyanate, and has high reactivity. When used, the adhesive 70 is melted (softened) by heat and poured (applied) into a predetermined position, so that the reaction of isocyanate proceeds using the moisture in the air, gas is generated, and urethane is generated. A bond is generated. At this time, as shown in FIG. 4, by configuring so that a gap is formed between the outer plate 10 and the rib 22d, the generated gas can be released to the outside.

FIG. 5 is a cross-sectional view schematically showing the main part P2 of FIG.

As shown in FIG. 5, the outer frame member 21 has a flange portion 21a formed on the front surface side along the back surface of the outer plate 10.

The rib 21d formed on the flange portion 21a is located inside the position of the chamfered portion 10a. This makes it possible to prevent the gap between the outer plate 10 and the rib 21d from becoming large. Further, although not shown, the adhesive 70 is applied to the inside of the rib 21d of the flange portion 21a as in FIG. 4.

The outer frame member 21 extends from the main body portion 21b toward the front side to form a front extension portion 21e that covers the end surface of the outer plate 10. The front extension portion 21e is formed in a substantially L-shaped or substantially arcuate cross section, and is located so that the proximity surface 21e2 and the end surface of the outer plate 10 face each other.

The proximity surface 21e2 is located on the outer plate 10 side of the end portion of the flange portion 21a on the main body portion 21b side, and the front extension portion 21e is formed to be thick. Further, the design surface 21e1 of the front extension portion 21e is located on the front side of the surface of the outer plate 10. As a result, the end portion of the outer plate 10 can be protected from an external impact.

In the present embodiment, the dimension of the plate thickness t2 of the front extension portion 21e is formed to be the same as the plate thickness t1 of the main body portion 21b. For example, the plate thickness t1 of the main body portion 21b is 2 to 3 mm, and the plate thickness t2 of the front extension portion 21e is 2 to 3 mm.

The front extension portion 21e has a concave groove portion 21f (meat stealing portion) formed on the anti-outer plate 10 side from the proximity surface 21e2. The groove portion 21f is continuously provided over substantially the entire width of the front extension portion 21e in the longitudinal direction.

Here, the end portion of the front extension portion 21e when the groove portion 21f is not formed is indicated by a virtual line L2 (dashed-dotted line), and the plate thickness t3 of the front extension portion 21e in the direction orthogonal to the virtual line L2 is 5 to 7 mm. do. In this way, when the outer frame member 21 is resin-molded, if the plate thickness t3 on the front extension portion 21e side is larger than the plate thickness t1, a sink mark (sink mark. There is a risk that a dent will occur on the surface of the thick part due to the difference.).

As described above, in the present embodiment, instead of increasing the plate thickness of the front extension portion 21e in the left-right direction as a whole, the groove portion 21f (meat stealing portion) is partially provided, and the cross section of the front extension portion 21e is substantially L. It has a character shape. By providing the groove portion 21f, the difference in wall thickness from the plate thickness t1 to the plate thickness t2 of the outer frame member 21 is reduced, the occurrence of sink marks is suppressed, and the quality and design of the appearance are improved.

Further, by forming the front extension portion 21e into a substantially L-shape, the design surface 21e1 can be formed wide (for example, 5 to 6 mm). It is the surface of the outer plate 10 that greatly affects the design of the refrigerator 1, and the design surface 21e1 of the front extension portion 21e adjacent to the outer plate 10 is formed widely (for example, the plate thickness or more of the main body portion 21b). As a result, the design of the heat insulating door can be given a degree of freedom, and the appearance design of the refrigerator 1 can be improved.

A gap S2 is formed between the proximity surface 21e2 and the end surface of the outer plate 10. The dimension of the gap S2 is preferably 0.5 mm or less in consideration of the appearance design, and 0. It is preferably about 5 mm ± 0.5 mm. With this gap S2, it is possible to absorb variations (fitting tolerances) that occur in the dimensions of the outer plate 10 and the frame member 20 at the time of assembly.

Further, it is desirable that the dimension of the groove portion 21f in the front-rear direction is larger than that of the gap S2. As a result, it is possible to prevent the adhesive 70 flowing out from between the flange portion 21a and the outer plate 10 from accumulating in the groove portion 21f and leaking from the gap S2 to the surface side of the outer plate 10.

Further, the dimension of the groove portion 21f in the front-rear direction is smaller than the thickness dimension of the outer plate 10. In other words, at least a part of the proximity surface 21e2 and the end surface of the outer plate 10 wraps in the front-rear direction. This makes it difficult for the user to see the groove 21e1.

Further, at this time, at least a part of the proximity surface 21e2 faces the end surface of the end surface of the outer plate 10 on which the chamfered portion 10a is not formed. As a result, the groove portion 21e1 can be made more difficult to see from the user, and the design can be improved.

FIG. 6 is a sectional view taken along line IV-IV of FIG.

As shown in FIG. 6, the lower frame member 24 has a plate-shaped main body portion 24b extending along the front-back direction (front-back direction of the refrigerator 1). The main body portion 24b is formed with a flange portion 24a that extends along the outer plate 10 side and at right angles to the main body portion 24b. The flange portion 24a is located at a substantially end portion on the front side of the lower frame member 24. Further, the main body portion 24b is formed with a reinforcing rib 24c extending in parallel with the flange portion 21a. Further, although not shown, as in FIG. 4, the adhesive 70 is applied between the end portion of the flange portion 24a and the rib 24d, and the outer plate 10 is adhered and fixed.

The lower frame member 24 extends from the main body portion 24b toward the surface side, and a front extension portion 24e that covers the end surface of the outer plate 10 is integrally formed. At this time, it is preferable that the dimension of the gap S3 between the end surface of the outer plate 10 and the front extension portion 24e is small. The size of the gap S3 is preferably 0.5 mm or less in consideration of the variation (fitting tolerance) caused by the dimensions of the outer plate 10 and the frame member 20 at the time of assembly, and more preferably close to 0 in consideration of the appearance design. .. When assembling the outer plate 10 and the frame member 20, the end face of the outer plate 10 is positioned closer to the front extension portion 22e of the inner frame member 22 and the front extension portion 24e side of the lower frame member 24.

The plate thickness of the front extension portion 24e is formed to be thinner than the plate thickness of the main body portion 24b. Further, the surface 24b1 of the main body portion 24b adjacent to the heat insulating door 4a in the vertical direction and the surface 24e1 of the front extension portion 24e are configured to be flush with each other.

As described above, in the present embodiment, the end portion 24e1 of the front extension portion 24e is projected forward from the surface of the outer plate 10, so that the impact on the end surface of the outer plate 10 can be protected and the surface of the outer plate 10 can be protected. Can be made to look wider and the design can be improved.

The dimension t4 of the end portion 24e1 exposed on the front side of the surface of the outer plate 10 is preferably about 0.2 to 1.0 mm. As a result, when the heat insulating door 4a adjacent to the outer plate 24 in the vertical direction is opened and the food in the storage chamber is taken out, it is difficult for the food to come into contact with the end portion 24e1. In addition, dust is less likely to collect on the upper surface of the front extension portion 24e. Further, an inclined portion 24e2 which is lowered from the outer plate 10 to the end portion 24e1 is provided on the upper surface portion of the front extension portion 24e. When water droplets fall on the front extension portion 24e along the surface of the outer plate 10, the water droplets are less likely to collect between the outer plate 10 and the front extension portion 24e, and between the outer plate 10 and the front extension portion 24e. It is possible to prevent water from infiltrating the back surface side of the outer plate 10 from the gap S3, and to prevent the paint layer applied to the back surface of the outer plate 10 from being corroded by the influence of water. Further, since the user's line of sight is to see the inclined portion 24e2 from diagonally above, the outer plate 10 and the inclined portion 24e2 can be expressed as a continuous surface, and the surface of the outer plate 10 can be made to look large, and the appearance design can be improved. Can be improved.

It should be noted that the description of the upper frame member 23 having substantially the same configuration as the inner frame member 22 and the lower frame member 24 will be omitted.

The upper frame member 23 extends from the main body portion 23b toward the surface side, and a front extension portion 23e that covers the end surface of the outer plate 10 is integrally formed. The front end of the front extension portion 23e is located behind the surface of the outer plate 10 in the front-rear direction.

Unlike the inner frame member 22 and the lower frame member 24, the upper frame member 23 is located above the line of sight of the user standing on the front side of the refrigerator 1, and is therefore difficult to see. Therefore, the dimension of the gap S4 between the upper frame member 23 and the end surface of the outer plate 10 is 0.5 mm ± in consideration of the variation (fitting tolerance) caused by the dimensions at the time of assembling the outer plate 10 and the frame member 20. It is preferably about 0.5 mm.

FIG. 7 is a cross-sectional view showing a detailed configuration of the glass. In the present embodiment, the same cross-sectional portion as that of FIG. 4 will be described as an example, but the cross-sectional portions of FIGS. 5 and 6 have the same configuration.

As shown in FIG. 7, a colored paint layer 80 for concealing is coated (formed) on the back surface of the outer plate 10 made of glass. As a result, the foamed heat insulating material 50 (see FIG. 3) on the back surface side is treated so as not to be seen from the front side, so that the heat insulating door 2a (see FIG. 3) having excellent appearance can be obtained. The back surface of the outer plate 10 may be mirror-treated instead of the paint layer 80.

Further, a shatterproof film 90 is further attached to the back surface of the paint layer 80. The shatterproof film 90 can protect the outer plate 10 from scattering to the surroundings even when the outer plate 10 is cracked or cracked due to an impact applied to the outer plate 10 made of glass. Is.

The shatterproof film 90 is a resin-made thin-film member arranged on the back surface of the outer plate 10. Further, the material of the shatterproof film 90 is not particularly limited as long as it is a film-shaped member. As an example of the shatterproof film 90, a polyester film (PET film) can be mentioned. The PET film has high strength and is also effective in preventing scattering when the glass breaks. Further, the PET film has high transparency, and by printing on the back surface of the base material of the shatterproof film 90, the paint layer 80 can be seen through the film, so that the decorative sheet has a high gloss and a high-quality design. It is possible to. Further, the PET film has excellent heat resistance and cold resistance, can protect the paint layer against the high temperature at the time of filling the foamed heat insulating material 50 (see FIG. 3), and can protect the paint layer from the outside air temperature transmitted from the outer plate 10. There is little impact.

In the embodiment shown in FIG. 7, the shatterproof film 90 and the inner frame member 22 are fixed via the adhesive 70. In this case, if the shatterproof film 90 before sticking is wound in a roll shape, it is formed on the base material, the adhesive layer (adhesive layer) formed on one side of the base material, and the other side. It is configured by laminating with a fluorine-coated mold release material. When the film is attached on the paint layer 80, the film is drawn out from the roll-shaped shatterproof film 90, and the side of the adhesive layer is attached to the paint layer 80. On the other hand, the release material of the shatterproof film 90 and the adhesive 70 come into contact with each other, and the adhesiveness between the outer plate 10 and the inner frame member 22 is impaired (adhesion becomes worse). In the present embodiment, when the shatterproof film 90 is attached to the paint layer 80, it is particularly preferable to use a film that does not contain a fluorine-based coated release material. Even when only the shatterproof film 90 is provided on the outer plate 10, it is preferable to use a film that does not contain a fluorine-coated mold release material.

Further, the outer plate 10 is not limited to the configuration in which both the paint layer 80 and the shatterproof film 90 are provided, and may be provided only with the paint layer 80. Even when only the paint layer 80 is provided on the outer plate 10, it is preferable to use a paint layer 80 that does not contain fluorine.

By the way, when the hot melt of PUR is cured, it is easily subjected to heat shrinkage, so that the tensile force (Young's modulus) becomes high. Therefore, the tensile force becomes stronger than the adhesive force between the paint layer 80 and the outer plate 10, and the paint layer 80 may be peeled off. Therefore, when PUR is used, it is preferable not only to provide the paint layer 80 on the outer plate 10 but also to further provide the shatterproof film 90 on the paint layer 80. Further, a resin film (not shown) having a pattern layer such as a paint layer or a hairline may be provided on the paint layer 80 (on the side of the anti-outer plate 10) or instead of the paint layer 80.

Here, when the paint layer 80 and the adhesive 70 are directly adhered to each other, when the adhesive 70 itself solidifies and shrinks, the adhesive 70 pulls the paint layer 80 and peels the paint layer 80 from the outer plate 10. There is a possibility that it will end up. Therefore, in the present embodiment, the sticking position of the shatterproof film 90 is extended to the inside of the paint layer 80 and the outside of the rib 22d.

FIG. 8 is a perspective view of the drawer type heat insulating door when viewed from the front side. In the following, instead of the rotary heat insulating door 2a of the refrigerating room 2, the drawer type heat insulating door 3a of the ice making room 3 will be referred to and described. Further, in the present embodiment, the heat insulating door 3a is described, but since the heat insulating doors 4a provided side by side in the left-right direction have a symmetrical structure, the description of the heat insulating door 4a is omitted.

As shown in FIG. 8, the drawer-type heat insulating door 3a includes a glass outer plate 10A, a door frame 20A, and an inner plate 60A, similarly to the rotary heat insulating door 2a (see FIG. 1). It is composed of.

The door frame 20A is a square-shaped frame material provided on the peripheral edge of the outer plate 10A. The door frame 20A includes an outer frame member 21A (vertical frame member), an inner frame member 22A (vertical frame member), and an upper frame, similarly to the door frame 20 (see FIG. 2) of the rotary heat insulating door 2a described above. The member 23A (horizontal frame member) and the lower frame member 24A (horizontal frame member) are connected in a horizontally long rectangular shape. The upper frame member 23A is formed with a handle portion 23A1 for a user to hold a hand when opening and closing. Further, similarly to the rotary heat insulating doors 2a and 2b shown in FIG. 2, the end faces of the four sides around the outer plate 10A of the drawer type heat insulating doors 3a and 4a are covered with the frame members 21A, 22A, 23A and 24A, respectively. , The front of the surrounding four sides is not covered.

When assembling the outer plate 10A and the frame member 20A, the end faces of the outer plate 10A are positioned closer to the inner frame member 22A and the upper frame member 24A.

FIG. 9 is a sectional view taken along line VV of FIG.

As shown in FIG. 9, the upper frame member 23A is formed with a concave handle portion 23A1. The adhesive 70 is applied to the surface of the handle portion 23A1 on the outer plate 10A side, and the outer plate 10A is attached. That is, it plays the same role as the flange portion 23a provided on the upper frame member 23 shown in FIG.

Further, a rib 23A2 and a groove portion 23A3 are provided on the surface of the handle portion 23A1 on the outer plate 10A side. The rib 23A3 plays the same role as the flange portion 23d and the like, and the description thereof will be omitted. The groove portion 23A2 is provided on the opposite end surface side of the outer plate 10A. As a result, it is possible to suppress the occurrence of sink marks in the vicinity of the portion where the difference in the thickness of the resin occurs, and to improve the flatness of the coated surface of the adhesive 70. Further, the excess adhesive 70 flows into the groove 23A2 to prevent the adhesive 70 from invading the foamed heat insulating material 50A side.

Further, the front end portion of the upper frame member 23A (corresponding to the proximity portion 23e shown in FIG. 6) is located behind the surface of the outer plate 10A. A gap S4A is provided between the end surface of the outer plate 10A and the upper frame member 23A.

Further, the front end portion of the lower frame member 24A (corresponding to the proximity portion 24e shown in FIG. 6) is located in front of the surface of the outer plate 10A. A gap S3A is provided between the end surface of the outer plate 10A and the lower frame member 24A. Further, the lower frame member 24A has the same configuration as the flange portion 24a, the rib 24d, etc., but is not shown and the description thereof will be omitted.

FIG. 10 is a sectional view taken along line VI-VI of FIG.

As shown in FIG. 10, in the drawer type heat insulating door 5a provided in the entire width direction of the refrigerator 1, the engaging grooves 25a and 26a of the vertical frame members 25 and 26 are inserted into the left and right end faces of the outer plate 10B. Consists of a concave groove to be made. As a result, the left and right end faces and the front surface of the outer plate 10B are covered with the vertical frame members 25 and 26. Since the heat insulating door 6a has the same structure, the description thereof will be omitted.

As shown in FIGS. 3, 4, and 5, the heat insulating doors 2a and 2b cover the left and right end faces of the outer plate 10 with frame members 21 and 22 (proximate portions 21e and 22e), and the left and right front surfaces of the outer plate 10 are covered. Is not covered with frame members 21 and 22.

Further, the heat insulating doors 2a and 2b provided on the upper part of the refrigerator 1 close to the user's line of sight are formed between the left and right end faces of the outer plate 10 and the left and right frame members 21 and 22 which are generated at the time of assembling the heat insulating doors 2a and 2b. The dimensions of the gaps S1 and S2 were set to gap S2 (outer frame member 21 side)> gap S1 (inner frame member 22 side).

As a result, the positions of the outer plates 10 of the heat insulating doors 2a and 2b adjacent to the left and right are closer to each other inward (anti-rotating shaft side), and therefore, between the end faces of the outer plates 10 on the inner frame member 22 side. The distance between the doors can be reduced, and it can be expressed as an integral glass surface that is continuous in the left-right direction. That is, by making the gap S1 on the center side of the refrigerator 1 close to the user's line of sight standing in front of the refrigerator inconspicuous, the appearance design can be improved. Further, since the distance between the end faces of the outer plate 10 is small, the cleanability of the surface of the outer plate 10 is improved.

Further, the heat insulating doors 3a and 4a shown in FIG. 8 are also adjacent to the left and right, and the left and right end faces of the outer plate 10A are covered with the frame members 21A and 22A, and the left and right front surfaces of the outer plate 10A are not covered with the frame members 21A and 22A. Therefore, similarly to the heat insulating doors 2a and 2b described above, it is preferable that the gap S2A (outer frame member 21A side)> gap S1A (inner frame member 22A side).

Further, the heat insulating doors 2a and 2b, which are revolving doors, are located on the anti-rotating shaft side (inner frame member 22 side) where the handle portion (not shown) is provided, rather than the revolving shaft side (outer frame member 21 side). A rotational moment is applied during the opening operation. Therefore, by setting the mounting position of the outer plate 10 in the left-right direction closer to the inner frame member 22 (that is, gap S2> gap S1), the contact area with the adhesive 70 applied to the flange portion 22a can be increased. The peeling of the outer plate 10 can be suppressed.

As shown in FIG. 6, the heat insulating doors 2a and 2b have a configuration in which the upper and lower end faces of the outer plate 10 are covered with the frame members 23 and 24, and the upper and lower front surfaces of the outer plate 10 are not covered with the frame members 23 and 24. There is. Further, in the heat insulating doors 2a and 2b, the dimensions of the gaps S3 and S4 formed between the upper and lower end faces of the outer plate 10 and the upper and lower frame members 23 and 24 generated at the time of assembling the heat insulating doors 2a and 2b are the gap S4 (upper frame). Member 23 side)> Gap S3 (lower frame member 24 side).

As a result, in the rectangular heat insulating doors 2a and 2b located above the refrigerator 1 and long in the vertical direction, when the user stands in front of the refrigerator 1, the gap S3 close to the line of sight can be made inconspicuous. The design can be improved.

Further, a chamfered portion 10a is formed on the end surface of the outer plate 10. The chamfered portion 10a formed on the surface side of the outer plate 10 is located in front of the front end portion of the proximity portion 23e of the upper frame member 23.
At this time, the line of sight of the user standing in front of the refrigerator 1 looks up at the upper frame member 23 from below. That is, the gap S4 can be hidden by the end surface on the upper side of the outer plate 10 to make it difficult for the user to see, and the design can be improved.

As shown in FIG. 9, the heat insulating doors 2a and 2b are configured such that the upper and lower end faces of the outer plate 10 are covered with the frame members 23 and 24, and the upper and lower front surfaces of the outer plate 10 are not covered with the frame members 23 and 24. There is. Further, in the heat insulating doors 3a and 4a, the dimensions of the gaps S3A and S4A formed between the upper and lower end faces of the outer plate 10A and the upper and lower frame members 23A and 24A generated at the time of assembling the heat insulating doors 3a and 4a are the gap S3A (lower side). Frame member 24A side)> Gap S4A (upper frame member 23A side).

As a result, in the heat insulating doors 3a and 4a located near the center in the vertical direction of the refrigerator 1, when the user stands in front of the refrigerator 1, the gap S4A near the line of sight can be made inconspicuous, and the design can be improved. ..

Further, a chamfered portion (a configuration equivalent to that of the chamfered portion 10a is not shown) is formed on the outer periphery of the outer plate 10A. The chamfered portion formed on the outer periphery of the outer plate 10A is located in front of the front end portion of the proximity portion 23Ae of the upper frame member 23A. At this time, the line of sight of the user standing in front of the refrigerator 1 looks down on the upper frame member 23A from above. That is, the gap S4A can be made difficult to see while showing the end surface (chamfered portion) on the upper side of the outer plate 10A to the user, and the design can be improved.

As shown in FIG. 10, the heat insulating doors 5a and 6a are configured to cover the left and right end faces and the left and right front surfaces of the outer plate 10B with frame members 25 and 26. Specifically, the left and right end faces and the left and right front surfaces of the outer plate 10B were inserted into the engaging grooves 25a and 26a having a U-shaped cross section provided so as to extend toward the front side of the frame members 25 and 26.

Further, the heat insulating doors 5a and 6a located below the refrigerator 1 are provided in a rectangular shape having a full width and a horizontally long shape with respect to the left and right width directions of the refrigerator 1. As described above, the heat insulating doors 5a and 6a have a horizontally long shape, and the larger the dimension in the left-right direction thereof, the greater the influence of the dimensional tolerance generated when the outer plate 10B and the frame member 20B are assembled, and the left and right of the outer plate 10B. The size of the gap between the end face of the door and the frame members 25 and 26 tends to be biased.

Therefore, the left and right end faces and the left and right front surfaces of the outer plates 10B of the heat insulating doors 5a and 6a are covered with the frame members 25 and 26 so that they cannot be seen by the user. Thereby, it is possible to suppress the deterioration of the appearance design caused by the deviation of the dimensions of the left and right gaps of the outer plate 10B.

Further, by supporting the outer plates 10B of the heat insulating doors 5a and 6a so as to be covered with the engaging grooves 25a and 26a, the outer plate 10B can be prevented from falling due to an external impact or deterioration of the adhesive 70. Can be suppressed.

As shown in FIGS. 1 and 3, the heat insulating doors 2a, 2b, 3a, 4a located above the refrigerator 1 are not provided with the full width in the left-right width direction of the refrigerator 1, so that the outer panel is not provided. The left and right front surfaces of 10, 10A are not covered with frame members 21, 22, 21A, 22A. This is because the width dimension of the outer plates 10 and 10A in the left-right direction is small, so that a dimensional tolerance at the time of assembly is less likely to occur as compared with the outer plate 10B having a large width dimension. Further, by attaching the end faces of the outer plates 10 and 10A so as to abut against one of the frame members in the left-right direction (or the up-down direction), the dimensional tolerance in the mass-produced product can be controlled and the deterioration of the appearance design is suppressed. can.

Further, the heat insulating doors 5a and 6a are configured to cover the upper and lower end faces and the upper and lower front surfaces of the outer plate 10B with the frame members 25 and 26. Specifically, the upper and lower end faces and the upper and lower front surfaces of the outer plate 10B are inserted into the engaging grooves 25a and 26a having a U-shaped cross section provided so as to extend toward the front side of the frame members 25 and 26 (FIG. 10). Since the configuration is equivalent to that of the above, detailed configuration description will be omitted.)

Therefore, the upper and lower end faces and the upper and lower front surfaces of the outer plates 10B of the heat insulating doors 5a and 6a are covered with the frame members 25 and 26 so as not to be seen by the user. Thereby, the deterioration of the appearance design caused by the deviation of the dimensions of the upper and lower gaps of the outer plate 10B can be suppressed.

Further, as another embodiment, the refrigerator is composed of two revolving doors adjacent to the left and right as the upper storage chamber, two revolving doors adjacent to the left and right as the lower storage chamber, and a total of four revolving doors. There may be.

The present invention is not limited to the above-described embodiment, and includes various modifications. For example, the above-described embodiment has been described in detail in order to explain the present invention in an easy-to-understand manner, and is not necessarily limited to the one including all the described configurations. Further, it is possible to replace a part of the configuration of one embodiment with the configuration of another embodiment, and it is also possible to add the configuration of another embodiment to the configuration of one embodiment. Further, it is possible to add / delete / replace a part of the configuration of each embodiment with another configuration.

1 Refrigerator 2a, 2b Rotating heat insulating door 3a, 4a Drawer type heat insulating door 10,10A, 10B Outer plate 10a Chamfering part 20,20A, 20B Door frame 21,21A Outer frame member (vertical frame member)
21a, 22a, 23a, 24a Flange part 21b, 22b, 23b, 24b Main body part 21c, 22c, 23c, 24c Reinforcing rib 21d, 22d, 23d, 24d Rib 21e, 22e, 23e, 24e Proximity part 21f Groove part 22, 22A Inside Frame member (vertical frame member)
23,23A Upper frame member (horizontal frame member)
23A1 Handle 24, 24A Lower frame member (horizontal frame member)
25, 26 Vertical frame member 25a, 26a Engagement groove 30 Vacuum heat insulating material 40 Space 50 Foam heat insulating material 60, 60A Inner plate 70 Adhesive 80 Paint layer 90 Anti-scattering film S Gap

Claims (7)

Equipped with a storage room door
The storage room door is a refrigerator having an outer plate and a frame member that supports the outer plate.
The storage chamber door has a structure in which the left and right outer end faces of the outer plate are covered with the frame member, and the front surface of the left and right outer sides of the outer plate is not covered with the frame member.
The frame member is
A front extension portion that covers the left and right outer end faces of the outer plate, and
Flange portions that support the left and right outer back surfaces of the outer plate, and
A main body portion extending to the front extension portion and the flange portion, respectively, is provided.
A refrigerator characterized in that a groove is arranged between the front extension portion and the flange portion. In the refrigerator according to claim 1,
The refrigerator is characterized in that the groove portion is partially provided along the left-right direction of the front extension portion. In the refrigerator according to claim 1 or 2.
The front extension part has a design surface and has a design surface.
The refrigerator is characterized in that the design surface is formed so as to have a width equal to or larger than the plate thickness of the main body portion. In the refrigerator according to claim 3,
A refrigerator characterized in that the dimension of the groove portion in the front-rear direction is larger than the gap formed between the proximity surface of the front extension portion and the end surface of the outer plate. In the refrigerator according to claim 4,
A refrigerator characterized in that the dimension in the front-rear direction of the groove portion is smaller than the thickness dimension of the outer plate. In the refrigerator according to any one of claims 3 to 5.
The storage room door has two adjacent doors on the left and right sides.
The frame member includes an inner frame member, a lower frame member, and an outer frame member.
The front end of the inner frame member shall be located behind the surface of the outer plate, and the front end of the lower frame member or the front end of the outer frame member shall be located in front of the surface of the outer plate. A refrigerator featuring. In the refrigerator according to claim 6,
The storage room door is further provided with a drawer type door.
The drawer-type door has a lower frame member that is a frame member that supports the outer plate.
The lower frame member extends from the main body to the surface side to integrally form a front extension portion that covers the end surface of the outer plate, and the front extension portion is formed on the upper surface portion of the front extension portion from the outer plate. A refrigerator characterized by having an inclined portion that becomes lower toward the end of the portion.

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