TW201411075A - Refrigerator - Google Patents

Abstract

A refrigerator is provided, wherein an insulation material is filled in-between an inner box and an outer box, and the refrigerator has an insulation box using a front side as an opening and a door blocking the front side opening of the insulation box. The door includes: a flat plate shaped outer plate; a flat plate shaped inner plate disposed parallel with the outer plate; a vacuum insulation panel disposed in a manner of being inserted into a whole space between the outer plate and the inner plate; and a handle mounted on the outer plate.

Description

refrigerator [Reference to related applications]

The present application is based on the benefit of the priority of Japanese Patent Application No. 2012-195794, filed on Sep.

The embodiment described herein is generally related to a refrigerator.

In order to improve the heat insulating performance and the energy saving of the refrigerator, the refrigerator is configured to sandwich the heat insulating material between the outer box and the inner box which constitute the heat insulating box of the refrigerator body. Further, the door that seals the opening portion of the heat insulating box of the refrigerator is configured such that a heat insulating material is interposed between the outer box and the inner box. In the refrigerator, a liquid foaming heat insulating material is often used as a heat insulating material, but in recent years, a vacuum heat insulating material has been studied instead of a liquid foaming heat insulating material. A technical proposal for using a urethane and a vacuum heat insulating material for a door of a refrigerator has been made, for example, in Japanese Laid-Open Patent Publication No. 2006-90649.

The vacuum heat insulating material is a structure in which a core material is vacuum-packed with a thin outer film. The vacuum heat insulating material is superior in heat insulating properties to foamed polyurethane, but the outer covering film is easily damaged, and the heat insulating performance is remarkably lowered when damaged and damaged. When a vacuum heat insulating material is used for a door of a refrigerator or the like, if the vacuum heat insulating material is placed on a screw that contacts the mounting portion of the handle, the outer film may be damaged. Therefore, when the vacuum heat insulating material is a small size that does not interfere with the screw or the like, in order to increase the space without the heat insulating material inside the door, it is necessary to use a foamed polyurethane or the like as the above-mentioned patent document to improve the partition. Thermal effect.

The present invention has been made in view of the problems of the prior art, and provides a refrigerator which is excellent in heat insulating effect and prevents breakage of a vacuum heat insulating material.

The present invention provides a refrigerator having a heat insulating box body and a door, wherein the heat insulating box body is filled with a heat insulating material between the inner box and the outer box constituting the refrigerator, and the opening is used as an opening, and the door is used to block the heat insulation. The above-mentioned opening of the casing, the door includes: a flat outer plate; a flat inner plate disposed in parallel with the outer plate; and a vacuum heat insulating material to sandwich the entire space between the outer plate and the inner plate The configuration of the device; and the handle, mounted on the outer panel.

1‧‧‧ refrigerator

3‧‧‧Insulation box

11‧‧‧Refrigerator

12‧‧ ‧ vegetable room

13‧‧‧ ice making room

14‧‧‧1st freezer

15‧‧‧2nd freezer

21‧‧‧1st refrigerating compartment door

22‧‧‧ and the second refrigerator door

23‧‧‧ Wild Vegetable Door

24‧‧‧Ice door

25‧‧‧1st freezer door

26‧‧‧2nd freezer door

31‧‧‧Outer board

31a‧‧‧ Flat section

31b‧‧‧ Sidewall

32‧‧‧ inner board

33‧‧‧ inside frame

33a‧‧‧Closed mat fitting

33b‧‧‧ throat

33c‧‧‧foam insulation

35‧‧‧Vacuum insulation

36‧‧‧Soft tape

37‧‧‧Close mat

37a‧‧‧ gas buffer

37b‧‧‧Insert Department

37c‧‧‧ Magnet

39‧‧‧Hands

39a‧‧‧ grip

39b‧‧‧foot

39c‧‧‧ recess

39d‧‧‧ screw holes

41‧‧‧ screws

45‧‧‧Foam insulation

Fig. 1 is a perspective view showing the appearance of a refrigerator according to a first or second embodiment.

Fig. 2 is a perspective view showing the refrigerator in a state in which the door is removed.

Fig. 3 is a front elevational view showing a second freezing compartment door in the refrigerator of the first embodiment;

Fig. 4 is an exploded perspective view of the second freezing compartment door;

Fig. 5 is a longitudinal sectional view showing the second freezing compartment door;

Fig. 6 is a front elevational view showing a door of a second freezing compartment of the refrigerator in the second embodiment;

Fig. 7 is a perspective view showing a part of a door of a second freezing compartment of the refrigerator in the second embodiment partially enlarged.

Fig. 8 is a longitudinal cross-sectional view showing a part of a door of a second freezing compartment of the refrigerator in the second embodiment.

FIG. 9 is a longitudinal cross-sectional view showing a part of a door pair of a second freezing compartment of a refrigerator according to a modification of the second embodiment.

Hereinafter, a plurality of embodiments will be described with reference to the drawings. In the drawings, the same symbols indicate the same or similar parts. Hereinafter, the first embodiment will be described.

As shown in FIGS. 1 and 2, the refrigerator 1 in the present embodiment includes a heat insulating box 3 having an outer box and an inner box, and a plurality of doors 21 to 26. The front surface of the heat insulating box 3 is open, and the inner side of the heat insulating box 3 is divided into a plurality of spaces.

Between the inner box and the outer box of the heat insulating box 3, a vacuum which is indicated by a broken line in Fig. 2, which is called a VIP (Insulation Panel), is inserted into almost all of the opposing spaces as a heat insulating material. Insulation material 35. In Figure 2, for illustration Only the vacuum heat insulating material 35 of the right side panel of the perspective view of the refrigerator 1 is shown, but a vacuum heat insulating material is also provided in each of the upper panel, the bottom panel, the left side panel, and the back panel.

The heat insulating box 3 is sequentially divided into five spaces of the refrigerating chamber 11, the vegetable compartment 12, the ice making compartment 13 in parallel, the first freezing compartment 14, and the second freezing compartment 15. A first refrigerating compartment door 21 and a second refrigerating compartment door 22 of a French type are attached to the opening on the front side of the refrigerating compartment 11. Further, in the vegetable compartment 12, the ice making compartment 13, the first freezing compartment 14, and the second freezing compartment 15, the pull-out type vegetable compartment door 23, the ice making compartment door 24, and the first one are attached to the opening on the front side. The freezing compartment door 25 and the second freezing compartment door 26 are provided.

In order to explain the structure of the above-described pull-out door, the second freezer compartment door 26 will be described. As shown in FIGS. 3 to 5, the second freezing compartment door 26 includes an outer panel 31, an inner panel 32, an inner frame 33, a vacuum heat insulating material 35, a gasket 37, and a handle 39. In the following description, the direction in which the outer panel 31 in the second freezing compartment 26 is located is described as the front, and the inner direction of the refrigerator 1 in which the inner panel 32 is located is described as the rear.

The second freezing compartment door 26 has a vacuum heat insulating material 35 interposed between the outer panel 31 and the inner panel 32. The inner frame 33 is fitted to the outer panel 31 so that the inner panel 32 is pushed into the outer panel 31 from the rear of the inner panel 32. The inner frame 33 is provided with a throat portion 33b that protrudes on the back side (the surface on the inner side of the second freezing compartment door 26). Further, an adhesion pad 37 is fitted and fixed to the outer periphery of the back surface side of the inner frame 33. A handle 39 is attached to the front surface of the outer panel 31.

The outer panel 31 is a substantially box-shaped panel including a flat plate portion 31a and side walls 31b. The flat plate portion 31a is a flat plate having a substantially square shape, and the side wall 31b extends rearward from the outer peripheral edge of the flat plate portion 31a. An opening 31c is formed at the upper end of the flat plate portion 31a and at the left and right ends, and the handle 31 is attached to the opening 31c.

The handle 39 is a grip handle comprising a tubular hollow member or an intermediate dense substantially U-shaped member, and the handle 39 includes a grip portion 39a and a leg portion 39b, wherein the grip portion 39a and the outer portion The flat plate portion 31a of the plate 31 extends in parallel, and the leg portion 39b extends rearward from both ends of the grip portion 39a. A recess 39c is formed at an end of the leg portion 39b, and a screw hole 39d is formed in a surface (front surface) of the bottom portion of the recess portion 39c, and the screw hole 39 is screwed to the screw 41.

The handle 39 is fixed to the outer panel 31 by a boss 40 and a screw 41 as mounting members. The boss 40 includes a ring portion 40a, a cylindrical portion 40b that rises forward from the inner diameter of the ring portion 40a, and a disk-shaped abutting portion 40c that blocks the front end surface of the cylindrical portion 40b, and is formed to abut Screw hole 40d of portion 40c. The boss 40 is attached with an adhesive member such as a double-sided tape or the like to the front surface of the ring portion 40a (the surface on the side where the cylindrical portion 40b is formed), and the cylindrical portion 40c penetrates the opening 31c of the outer panel 31. The state is adhesively fixed to the outer panel 31. Further, the handle 39 is fixed by the screw 41 in a state where the concave portion 39c is covered by the cylindrical portion 40c of the boss 40. Since the screw 41 is in a state of being driven into the cylindrical portion 40b of the boss 40, the head of the screw 41 does not protrude to the rear of the flat plate portion 31a of the outer panel 31.

The vacuum heat insulating material 35 is disposed over substantially the entire rear side of the outer panel 31, and an inner panel 32 is disposed on the rear side of the vacuum heat insulating material 35. The vacuum heat insulating material 35 is adhered to the outer panel 31, and is also adhered to the boss 40. The vacuum insulation material 35 is The structure in which the outer covering film vacuum-packs the core material may be broken if the protrusion or the screw touches the outer film. In the door of the refrigerator 1 of the present embodiment, since the head of the screw 41 and the front surface of the vacuum heat insulating material 35 are separated from each other, it is possible to prevent the outer envelope of the vacuum heat insulating material 35 from being damaged by the screw 41. A soft tape 36 such as a sponge tape is wound around the side surface of the vacuum heat insulating material 35. By wrapping the flexible tape 36 on the side surface, the outer film of the vacuum heat insulating material 35 can be protected by the joint portion of the outer panel 31 and the inner panel 32 and other members. The vacuum heat insulating material 35 adheres not only to the outer panel 31 but also to the inner panel 32 if necessary.

The inner frame 33 is a square-shaped frame body, and includes a contact pad fitting portion 33a at the rear side of the outer peripheral edge, and a throat portion 33b inside the adhesive pad fitting portion 33a. The foamed heat insulating material 33c is filled in the inside of the throat 33b. The inner frame 33 is disposed such that the inner panel 32 adhered to the vacuum heat insulating material 35 is pressed against the rear surface of the outer panel 31, and is fitted to the side wall 31b of the outer panel 31.

The adhesion pad 37 is a frame body having a hollow air cushion portion 37a, and has an arrow-shaped insertion portion 37b. Further, the adhesion pad 37 has a magnet 37c on the rear surface of the gas buffer portion 37a, and the magnet 37c is a peripheral surface of the opening for magnetically adsorbing the heat insulating box 3. The adhesion pad 37 is made of a soft material, and is attached to the inner frame 33 by inserting the insertion portion 37b into the adhesion pad fitting portion 33a of the inner frame 33 by flexibility.

As described above, in the door of the present embodiment, since the flat plate portion 31a and the inner plate 32 of the outer panel 31 are arranged in parallel, the vacuum heat insulating material 35 can be disposed in a wide range in the second freezing chamber door 26. In the door of the refrigerator of the prior art, the handle is and The structure in which the end faces are continuously formed. In the door of such a shape, in order to easily grasp the handle, the side (the upper end portion) of the handle of the outer panel is shaped to be driven into the rear (the inner side of the door). In this case, the distance between the outer panel and the inner panel, that is, the thickness of the door is not fixed, so that even if a flat-plate vacuum heat insulating material is formed on the inner side of the door, there is a wide space in which no space is present. There is a vacuum insulation material. However, in the present embodiment, since the front end surface (the flat plate portion 31a) of the outer panel 31 has a flat plate shape, when the flat plate portion 31a of the outer panel 31 and the inner panel 32 are arranged in parallel, the vacuum of the flat plate shape can be formed. The hot material 35 is disposed substantially entirely within a wide range of the door. The end edge of the vacuum heat insulating material 35 extends to a position closer to the end edge of the outer panel 31 than the outer panel 31 to a position closer to the grip portion 39a of the handle 39.

In the above embodiment, the second freezing compartment door 26 is formed in a box shape by the outer panel 31, the vacuum heat insulating material 35, the inner panel 32, etc., but the outer panel 31 may be used as a flat panel or the like. The outer panel 31 and the inner frame 33 are connected to each other. The door in the present embodiment has the outer panel 31 and the inner panel 32 including at least the flat plate portion, and the flat plate portion of the outer panel 31 and the inner panel 32 are preferably arranged in parallel so as to insert the flat-plate vacuum heat insulating material 35.

In the door in this embodiment, the handle 39 is set as a handle. Specifically, the shape is not protruded from the upper end of the door, but the shape in which the grip portion 39a (the grip portion) is separated from the outer panel 31, so that it is not necessary to provide the outer panel 31 for easily holding the fingers or the like. The recess or the groove can be formed into a flat plate shape.

Further, in a state in which the handle 39 is attached to the outer panel 31, the head of the screw 41 and the vacuum heat insulating material 35 are separated from each other, so that the screw 41 can be prevented. The first-class damage to the vacuum insulation material 35.

Although the second freezer compartment door 26 is taken as an example of the pull-out type door, the same configuration as that of the above-described embodiment can be used for the handle of the split type door or the rotary door.

The second embodiment will be described. As shown in FIG. 6 to FIG. 8, in the first refrigerating chamber door 21 of the present embodiment shown in FIG. 1, the vacuum heat insulating material 35 is sandwiched between the outer panel 31 and the inner panel 32 in the same manner as in the first embodiment. And a handle 39 is attached to the outer panel 31. The position of the mounting portion of the vacuum heat insulating material 35 corresponding to the handle 39 (in this embodiment, the mounting portion of the handle 39 adjacent to the upper side) is formed by cutting into a triangular shape. The vacuum heat insulating material 35 is not disposed directly under the mounting portion of the handle 39, and is instead filled with a foamed heat insulating material 45 such as foamed urethane or another heat insulating material.

In this manner, both ends of the upper portion of the vacuum heat insulating material 35 are cut into a triangular shape, and a space in which the vacuum heat insulating material 35 is not disposed is formed directly under the mounting portion of the handle 39. As a result, the mounting member and the vacuum heat insulating material 35 can be separated from each other, and the mounting member (the boss 40 and the screw 41) of the handle 39 can be prevented from coming into contact with the vacuum heat insulating material 35 to damage the film of the vacuum heat insulating material 35. The other configurations of the mounting members of the handle 39 and the handle 39 are common to the first embodiment. However, since the vacuum heat insulating material is not disposed beside the mounting portion of the handle 39, as shown in FIG. 9, the boss 40 as the mounting member is not used, but the leg portion 39b of the handle 39 which is densely disposed in the middle is used. The structure is directly mounted with screws 41.

While a number of embodiments of the invention have been described, the embodiments are not intended to limit the scope of the invention. Some novel The embodiment may be carried out in various other forms, and various omissions, substitutions, and changes may be made without departing from the scope of the invention. The embodiments and variations thereof are included in the scope and gist of the invention and are included in the scope of equivalents thereof. For example, the foamed heat insulating material is not limited to foamed polyurethane, and styrene, polypropylene, or the like may be used. Further, the adhesion of the vacuum heat insulating material of the outer panel and the inner panel may be an adhesive technique using a hot melt adhesive, a double-sided tape, a film adhesive, or the like.

1‧‧‧ refrigerator

3‧‧‧Insulation box

21‧‧‧1st refrigerating compartment door

22‧‧‧ and the second refrigerator door

23‧‧‧ Wild Vegetable Door

24‧‧‧Ice door

25‧‧‧1st freezer door

26‧‧‧2nd freezer door

39‧‧‧Hands

Claims (10)

A refrigerator having a heat insulating box and a door, wherein the heat insulating box comprises an inner box and an outer box, and a heat insulating material filled between the inner box and the outer box, and the heat insulating box The front side is an opening, and the door is capable of blocking the opening of the heat insulating box, wherein the door comprises: a flat outer plate; a flat inner plate disposed parallel to the outer plate; and a vacuum heat insulating material to clamp And disposed in an overall space between the outer panel and the inner panel; and a handle mounted on the outer panel. The refrigerator according to claim 1, wherein the handle comprises: a grip portion extending in parallel with the flat plate portion of the outer panel; and a leg portion extending from the both ends of the grip portion toward the inner side of the refrigerator And being fixed to the outer panel, wherein the grip portion is configured as a handle that is separated from the outer panel. The refrigerator according to claim 1 or 2, wherein the handle is attached by a mounting member that penetrates the flat plate portion of the outer panel on the outer panel, and the handle is attached by using the mounting member. In the state of the outer panel, the end portion of the refrigerator in the inner side direction of the mounting member and the vacuum heat insulating material are separated. The refrigerator according to claim 3, wherein the mounting member is disposed at a position where the vacuum heat insulating material is not disposed. The refrigerator according to claim 3, wherein a corner portion of the vacuum heat insulating material located beside the mounting member is cut away from the mounting member. The refrigerator according to claim 1, wherein an end edge of the vacuum heat insulating material extends to a position closer to an end edge of the outer panel than a position of the grip portion of the handle with respect to the outer panel. The refrigerator according to claim 3, wherein the mounting member includes a boss and a screw, the boss includes: a ring portion; the cylindrical portion extends perpendicularly from an inner edge of the ring portion; and a disc-shaped abutment a portion that blocks an end portion of the cylindrical portion; and a screw hole that is provided at a center of the abutting portion, wherein a position at which the leg portion of the handle of the outer plate abuts is formed to be inserted into the boss In the opening of the cylindrical portion, the handle has a groove formed at an end of the leg portion, the cylindrical portion of the boss penetrates into the groove, and the handle is fixed by the screw via the boss, and is attached to the opening. In the state of the outer panel, the head of the screw is located in the cylindrical portion of the boss. The refrigerator according to claim 4, wherein the vacuum insulation material is Yes, the corner portion located beside the above-mentioned mounting member is cut to avoid the above-described mounting member. The refrigerator according to claim 2, wherein an end edge of the vacuum heat insulating material extends to a position closer to an end edge of the outer panel than a position of the grip portion of the handle with respect to the outer panel. The refrigerator according to claim 3, wherein an end edge of the vacuum heat insulating material extends to a position closer to an end edge of the outer panel than a position of the grip portion of the handle with respect to the outer panel.