JP2018141630A - refrigerator - Google Patents

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JP2018141630A
JP2018141630A JP2018120790A JP2018120790A JP2018141630A JP 2018141630 A JP2018141630 A JP 2018141630A JP 2018120790 A JP2018120790 A JP 2018120790A JP 2018120790 A JP2018120790 A JP 2018120790A JP 2018141630 A JP2018141630 A JP 2018141630A
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heat insulating
door
insulating material
plate
vacuum heat
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JP6688339B2 (en
Inventor
候巳 阿部
Komi Abe
候巳 阿部
佐伯　友康
Tomoyasu Saeki
友康 佐伯
石橋　郁夫
Ikuo Ishibashi
郁夫 石橋
及川　誠
Makoto Oikawa
誠 及川
隆明 吉田
Takaaki Yoshida
隆明 吉田
孝司 駒場
Koji Komaba
孝司 駒場
昌則 安部
Masanori Abe
昌則 安部
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Toshiba Lifestyle Products and Services Corp
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Toshiba Lifestyle Products and Services Corp
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Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator with a door having a structure for protecting a vacuum heat insulation material from a hard movable member such as a hinge.SOLUTION: A refrigerator has: a heat insulation box body filled with a heat insulation material between an inner box and an outer box, and opened on a front face; and plural hinge-type and drawer-type doors for blocking an opening on the front face of the heat insulation box body. A door 21 comprises: a flat box-shaped outer plate 31 opened on a side face inside a refrigerator compartment; an inner plate 32 having a flat box shape opened on a front side of the refrigerator, and fixed to the outer plate 31 while respective opening sides are opposed; and a vacuum heat insulation material 35 arranged to be sandwiched on the entire opposite faces between the outer plate 31 and the inner plate 32. The outer plate 31 and the inner plate 32 have upper and lower hinge parts 50 to be rotatably mounted to the heat insulation box body. The vacuum heat insulation material 35 of the door 21 is formed into such a shape that a corner portion adjacent to the hinge part 50 is chamfered.SELECTED DRAWING: Figure 9

Description

本発明の実施形態は、冷蔵庫に関する。   Embodiments of the present invention relate to a refrigerator.

冷蔵庫は、その断熱性能の向上および省エネルギー化を図るために、冷蔵庫本体となる断熱箱体を構成する外箱と内箱の間の空間に断熱材を挟み込んで構成されている。また、冷蔵庫の断熱箱体の開口部分を封止する扉も、外板と内板の間に断熱材を挟み込んで構成される。冷蔵庫は、断熱材として発泡ウレタンが使用されたものが多いが、近年、発泡ウレタンに代わって真空断熱材も使用されるようになっている。例えば特許文献１では、冷蔵庫の扉に発泡ウレタンと真空断熱材とを併用した技術の提案が成されている。   In order to improve the heat insulating performance and save energy, the refrigerator is configured by sandwiching a heat insulating material in a space between an outer box and an inner box that constitute a heat insulating box body serving as a refrigerator main body. Moreover, the door which seals the opening part of the heat insulation box of a refrigerator is also comprised by inserting a heat insulating material between an outer plate and an inner plate. Many refrigerators use urethane foam as a heat insulating material, but in recent years, vacuum heat insulating materials have been used instead of urethane foam. For example, Patent Document 1 proposes a technique in which urethane foam and a vacuum heat insulating material are used in combination on a refrigerator door.

特開２００６−９０６４９号公報JP 2006-90649 A

真空断熱材は、コア材を薄い外包フィルムで真空パックした構成とされている。この真空断熱材は、発泡ウレタンよりも断熱性能に優れているが、外包フィルムが傷付きやすく、傷が付いて破損した場合には断熱性能が著しく落ちる。冷蔵庫の回転扉等で真空断熱材を使用する場合、ヒンジのように固く、かつ、動きのあるものに触れる位置に真空断熱材を配置すると外包フィルムが破損するおそれがある。真空断熱材がヒンジなどと干渉しないようにサイズを小さくした場合、扉の内側に断熱材がない空間が増えるため、上記特許文献１のように発泡ウレタンなどを併用して断熱効果を高める必要がある。   The vacuum heat insulating material is configured such that the core material is vacuum packed with a thin outer packaging film. This vacuum heat insulating material is superior in heat insulating performance to foamed urethane, but the outer packaging film is easily damaged, and when it is damaged due to scratches, the heat insulating performance is remarkably reduced. When a vacuum heat insulating material is used in a revolving door of a refrigerator, the outer packaging film may be damaged if the vacuum heat insulating material is disposed at a position that is as hard as a hinge and touches a moving object. When the size is reduced so that the vacuum heat insulating material does not interfere with the hinge or the like, the space without the heat insulating material increases inside the door. Therefore, it is necessary to enhance the heat insulating effect by using urethane foam or the like as in Patent Document 1 above. is there.

本発明は、このような従来技術の問題点に鑑みて成されたものであり、ヒンジなどの固く、動きのある部材から真空断熱材を保護する構造を有する扉を備えた冷蔵庫を提供することを目的としている。   The present invention has been made in view of such problems of the prior art, and provides a refrigerator including a door having a structure for protecting a vacuum heat insulating material from a hard and moving member such as a hinge. It is an object.

実施形態は、内箱と外箱との間に断熱材が充填されてなり、正面を開口とした断熱箱体と、前記断熱箱体の正面の開口を塞ぐ扉と、を有した冷蔵庫であって、前記扉は、内部に真空断熱材を備え、前記扉は、前記断熱箱体に回動可能に装着するためのヒンジ部を角部近傍に有し、前記真空断熱材は、前記ヒンジ部に近接する角部分が面取りされ、かつ該面取り部分を埋めるような前記真空断熱材とは異なる断熱材が配置されていることを特徴とする。   The embodiment is a refrigerator having a heat insulating box filled with a heat insulating material between an inner box and an outer box, and having a front opening and a door closing the front opening of the heat insulating box. The door includes a vacuum heat insulating material therein, and the door has a hinge portion in the vicinity of a corner portion for rotatably mounting on the heat insulating box, and the vacuum heat insulating material includes the hinge portion. A heat insulating material different from the vacuum heat insulating material that is chamfered at a corner portion adjacent to the chamfered portion and fills the chamfered portion is disposed.

第１〜第３の実施の形態における冷蔵庫の斜視図である。It is a perspective view of the refrigerator in the 1st-3rd embodiment. 上記冷蔵庫の扉を取り外した状態の斜視図である。It is a perspective view of the state which removed the door of the said refrigerator. 第１の実施の形態における第二冷凍室扉の横断面図である。It is a cross-sectional view of the second freezer compartment door in the first embodiment. 上記第二冷凍室扉の分解斜視図である。It is a disassembled perspective view of the said 2nd freezer compartment door. 上記第二冷凍室扉に真空断熱材を装着した状態を外板の後方から見た斜視図である。It is the perspective view which looked at the state which equipped the said 2nd freezer compartment door with the vacuum heat insulating material from the back of an outer plate. 真空断熱材の外包フィルムを展伸した状態の平面図である。It is a top view of the state which extended the envelope film of the vacuum heat insulating material. 上記真空断熱材の仕上がり状態の平面図である。It is a top view of the finished state of the said vacuum heat insulating material. 上記真空断熱材の端縁部の断面図である。It is sectional drawing of the edge part of the said vacuum heat insulating material. 冷蔵室第一扉の斜視図である。It is a perspective view of the refrigerator compartment first door. 冷蔵室第一扉の断面図である。It is sectional drawing of the refrigerator compartment first door. ヒンジ受け板の斜視図である。It is a perspective view of a hinge receiving plate. 外板を取り外した冷蔵室第一扉の角部の拡大斜視図である。It is an expansion perspective view of the corner | angular part of the refrigerator compartment 1st door which removed the outer plate | board. 外板を取り外した冷蔵室第一扉の角部の拡大図である。It is an enlarged view of the corner | angular part of the refrigerator compartment 1st door which removed the outer plate | board. 第２の実施の形態における外板を取り外した冷蔵室第一扉の角部の拡大図である。It is an enlarged view of the corner | angular part of the refrigerator compartment 1st door which removed the outer plate | board in 2nd Embodiment.

以下、実施の形態を図に基づいて詳説する。   Hereinafter, embodiments will be described in detail with reference to the drawings.

（第１の実施の形態）
図１及び図２に示すように、本実施形態における冷蔵庫１は、正面を開口とし、内側を複数の部屋に区画された断熱箱体３と、各部屋の正面側の開口を封止する複数の扉２１〜２６と、を備える。 (First embodiment)
As shown in FIGS. 1 and 2, the refrigerator 1 in the present embodiment has a heat insulating box 3 whose front is an opening and the inside is partitioned into a plurality of rooms, and a plurality of openings that seal the front opening of each room. Doors 21-26.

断熱箱体３は、内箱と外箱との間に断熱材としてそれらの対向面のほぼ全面にＶＩＰ（Ｖａｃｕｕｍ Ｉｎｓｕｌａｔｉｏｎ Ｐａｎｅｌ）と呼ばれる真空断熱材３５を挟み込んで構成されている。なお、図２においては、説明のために冷蔵庫１の右側面板の真空断熱材３５を透過させているが、上面板、底面板、左側面板、背面板にも真空断熱材３５が配設されている。   The heat insulating box 3 is configured by sandwiching a vacuum heat insulating material 35 called VIP (Vacuum Insulation Panel) as a heat insulating material between the inner box and the outer box over almost the entire surface thereof. In FIG. 2, the vacuum heat insulating material 35 on the right side plate of the refrigerator 1 is permeated for the sake of explanation, but the vacuum heat insulating material 35 is also disposed on the top plate, the bottom plate, the left side plate, and the back plate. Yes.

この断熱箱体３は、上方から順に冷蔵室１１と、野菜室１２と、横並びの製氷室１３及び第一冷凍室１４と、第二冷凍室１５の５個の部屋に区画されている。冷蔵室１１の正面側の開口には、観音開き式の冷蔵室第一扉２１と冷蔵室第二扉２２が取り付けられている。また、野菜室１２、製氷室１３、第一冷凍室１４、第二冷凍室１５の正面側の開口には、夫々引出し式の野菜室扉２３、製氷室扉２４、第一冷凍室扉２５、第二冷凍室扉２６が取り付けられている。   The heat insulation box 3 is partitioned into five rooms of a refrigerator compartment 11, a vegetable compartment 12, a side-by-side ice making room 13, a first freezer compartment 14, and a second freezer compartment 15 in order from the top. At the front opening of the refrigerating room 11, a double door refrigerating room first door 21 and a refrigerating room second door 22 are attached. In addition, in the opening on the front side of the vegetable room 12, the ice making room 13, the first freezing room 14, and the second freezing room 15, a drawer type vegetable room door 23, an ice making room door 24, a first freezing room door 25, respectively. A second freezer compartment door 26 is attached.

まず、引出し式の扉の構造の説明のため、代表して第二冷凍室扉２６について説明する。図３及び図４に示すように、第二冷凍室扉２６は、外板３１と、内板３２と、スロート部材３４と、真空断熱材３５と、ガスケット３７と、取手３９と、を備える。   First, the second freezer compartment door 26 will be described as a representative for explaining the structure of the drawer-type door. As shown in FIGS. 3 and 4, the second freezer compartment door 26 includes an outer plate 31, an inner plate 32, a throat member 34, a vacuum heat insulating material 35, a gasket 37, and a handle 39.

そして、第二冷凍室扉２６は、外板３１と内板３２の間に真空断熱材３５が挟み込まれており、内板３２の背面（第二冷凍室扉２６における内側に位置する面）の外周近傍にガスケット３７が嵌着され、内板３２の背面にスロート部材３４が固着されている。また、外板３１の正面には取手３９が取り付けられている。   The second freezer compartment door 26 has a vacuum heat insulating material 35 sandwiched between the outer plate 31 and the inner plate 32, and the rear surface of the inner plate 32 (the surface located inside the second freezer compartment door 26). A gasket 37 is fitted in the vicinity of the outer periphery, and a throat member 34 is fixed to the back surface of the inner plate 32. A handle 39 is attached to the front surface of the outer plate 31.

図５に示すように、外板３１は、略箱形であり、正面板と側板とが交差する角部の内側に、後方に向かって立ち上がる、複数のねじ受け用の突出部３１ａが形成されている。また、突出部３１ａには、螺子が螺着されるねじ穴３１ｂが形成されている。   As shown in FIG. 5, the outer plate 31 has a substantially box shape, and a plurality of protruding portions 31 a for receiving screws are formed on the inner side of the corner where the front plate and the side plate intersect. ing. Further, a screw hole 31b into which a screw is screwed is formed in the protruding portion 31a.

図３及び図４に示したように、内板３２は、略箱形であり、外周縁近傍の背面側にガスケット３７が嵌着されるガスケット受け部３２ａを備える。ガスケット受け部３２ａは、後方（冷蔵庫室内側）へ開口する溝が設けられた前方へ突出する突条であり、内板３２の外周縁近傍全体に形成されている。また、ガスケット受け部３２ａの正面側端面における、外板３１に装着したときに外板３１の突出部３１ａのねじ穴３１ｂに相対する位置に、ねじ穴３２ｂが形成されている。なお、図３においてガスケット受け部３２ａは、断面が略方形状とされているが、後述するガスケット３７の差込部３７ｂを差し込むことができる形状であれば、例えばＵ字状など他の形状としてもよい。   As shown in FIGS. 3 and 4, the inner plate 32 has a substantially box shape, and includes a gasket receiving portion 32 a to which a gasket 37 is fitted on the back side near the outer peripheral edge. The gasket receiving portion 32 a is a protrusion protruding forward and provided with a groove that opens to the rear (inside the refrigerator compartment), and is formed in the entire vicinity of the outer peripheral edge of the inner plate 32. Moreover, the screw hole 32b is formed in the position facing the screw hole 31b of the protrusion part 31a of the outer plate 31 when it mounts | wears with the outer plate 31 in the front side end surface of the gasket receiving part 32a. In FIG. 3, the gasket receiving portion 32a has a substantially square cross section. However, as long as the insertion portion 37b of the gasket 37 to be described later can be inserted into the gasket receiving portion 32a, for example, other shapes such as a U shape can be used. Also good.

図６〜図８に示すように、真空断熱材３５は、グラスウールのような無機コア材１０１を外包フィルム１０５で真空パックした構造であり、外包フィルム１０５に突起物や螺子、金属や固いプラスチックのバリやエッジなどが触れると破れることがある。外包フィルム１０５が破れると、真空状態が解除されるため、著しく断熱効果が落ちる。外板３１は、図５に示したように、螺子受け用の突出部３１ａが複数形成されているため、真空断熱材３５を何ら保護せずに配置すると、突出部３１ａに、または、内板３２を外板３１に固定するための螺子４１に、または、螺子４１を突出部３１ａのねじ穴３１ｂに螺着したときに生じるバリなどに外包フィルム１０５が触れ、破れるおそれがある。なお、外包フィルム１０５としては、アルミ箔と樹脂フィルムをサンドウィッチした構造、もしくは、樹脂フィルムの表面にアルミ蒸着などによってラミネート加工を施したもの等を用いることができる。   As shown in FIGS. 6 to 8, the vacuum heat insulating material 35 has a structure in which an inorganic core material 101 such as glass wool is vacuum packed with an outer packaging film 105. The outer packaging film 105 is made of protrusions, screws, metal or hard plastic. It may be broken if touched by burrs or edges. When the envelope film 105 is torn, the vacuum state is released, so that the heat insulating effect is remarkably reduced. As shown in FIG. 5, the outer plate 31 is formed with a plurality of screw receiving projections 31a. Therefore, if the vacuum heat insulating material 35 is disposed without any protection, the outer plate 31 is arranged on the projection 31a or the inner plate. There is a possibility that the outer packaging film 105 touches the screw 41 for fixing the 32 to the outer plate 31 or a burr generated when the screw 41 is screwed into the screw hole 31b of the projecting portion 31a to be broken. In addition, as the envelope film 105, a structure in which an aluminum foil and a resin film are sandwiched, or a film that is laminated on the surface of the resin film by aluminum vapor deposition or the like can be used.

そこで、本実施形態における真空断熱材３５は、外包フィルム１０５を保護するため、外周部に弾性部材３６が巻装され取着されている。弾性部材３６は、断熱効果を備えた素材であり、例えば、スポンジテープのようなソフトテープを用いることができる。このように、真空断熱材３５の外周部を弾性部材３６で覆うことにより、外板３１の突出部３１ａ等に外包フィルム１０５が直接触れることがないため、真空断熱材３５が破損することを防止できる。   Therefore, in the vacuum heat insulating material 35 in the present embodiment, an elastic member 36 is wound around and attached to the outer peripheral portion in order to protect the envelope film 105. The elastic member 36 is a material having a heat insulating effect, and for example, a soft tape such as a sponge tape can be used. Thus, by covering the outer peripheral portion of the vacuum heat insulating material 35 with the elastic member 36, the outer packaging film 105 does not directly touch the protruding portion 31a of the outer plate 31, so that the vacuum heat insulating material 35 is prevented from being damaged. it can.

そして、この真空断熱材３５は、外板３１及び内板３２の内側の対向面のほぼ全面に配置されて、外板３１の背面、及び、内板３２の正面に接着剤によって接着されている。また、内板３２は、内板３２のガスケット受け部３２ａの正面側端面（溝の底部）が外板３１の突出部３１ａの背面側端面に近接した状態で、螺子４１によって外板３１に固定されている。   And this vacuum heat insulating material 35 is arrange | positioned in the substantially whole surface of the opposing surface inside the outer plate 31 and the inner plate 32, and is adhere | attached on the back surface of the outer plate 31, and the front surface of the inner plate 32 with the adhesive agent. . Further, the inner plate 32 is fixed to the outer plate 31 by the screw 41 in a state where the front end surface (bottom portion of the groove) of the gasket receiving portion 32 a of the inner plate 32 is close to the rear end surface of the protruding portion 31 a of the outer plate 31. Has been.

ガスケット３７は、中空密閉のエアクッション部３７ａを有した枠体であり、矢尻状の差込部３７ｂを有している。さらに、ガスケット３７は、エアクッション部３７ａの後面に断熱箱体３の開口部周面に磁着するためのマグネット３７ｃを有している。このガスケット３７は柔軟材であり、差込部３７ｂを内板３２のガスケット受け部３２ａに柔軟性を利用して押し込むことで内板３２に取り付けられている。   The gasket 37 is a frame body having a hollow hermetically sealed air cushion portion 37a, and has an arrowhead-shaped insertion portion 37b. Furthermore, the gasket 37 has a magnet 37c for magnetically attaching to the peripheral surface of the opening of the heat insulating box 3 on the rear surface of the air cushion portion 37a. The gasket 37 is a flexible material, and is attached to the inner plate 32 by pushing the insertion portion 37b into the gasket receiving portion 32a of the inner plate 32 using flexibility.

スロート部材３４は、矩形の枠状をなし、内板３２に図示しない螺子や爪、スライドによる嵌合などにより取り付けられている。このスロート部材３４は、第二冷凍室扉２６の閉扉時に断熱箱体３の内側に進入して断熱箱体３の内面と重なることにより断熱箱体３内の冷気が漏洩を防止するための部材である。なお、スロート部材３４の内空側にも、例えば発泡スチロール等の断熱材４３が予め充填されている。   The throat member 34 has a rectangular frame shape, and is attached to the inner plate 32 by a screw, a claw, or a slide fit (not shown). This throat member 34 is a member for preventing cold air in the heat insulation box 3 from leaking by entering the inside of the heat insulation box 3 and overlapping the inner surface of the heat insulation box 3 when the second freezer compartment door 26 is closed. It is. It should be noted that a heat insulating material 43 such as polystyrene foam is filled in advance on the inner space side of the throat member 34.

次に、観音式の扉の構造を説明するため、代表して冷蔵室第一扉２１について述べる。なお、上記引出し式扉と共通する部材には共通の符号を付して述べる。図９及び図１０に示すように、冷蔵室第一扉２１は、外板３１と、内板３２と、スロート部材３４と、ガスケット嵌合部材４５と、冷蔵室第二扉２２との間の隙間を塞ぐ回動部材３３と、真空断熱材３５と、ガスケット３７と、取手３９と、ヒンジ受け板５５と、を備える。   Next, in order to explain the structure of the Kannon type door, the refrigerator compartment first door 21 will be described as a representative. In addition, the same code | symbol is attached | subjected and described to the member which is common with the said drawer-type door. As shown in FIGS. 9 and 10, the refrigerator compartment first door 21 is provided between the outer plate 31, the inner plate 32, the throat member 34, the gasket fitting member 45, and the refrigerator compartment second door 22. A rotating member 33 that closes the gap, a vacuum heat insulating material 35, a gasket 37, a handle 39, and a hinge receiving plate 55 are provided.

外板３１及び内板３２は、夫々扁平な箱形である。そして、内板３２は、外板３１の側壁の内側に嵌合することで外板３１と固定されている。また、外板３１及び内板３２の内側には、その対向面のほぼ全面に渡って真空断熱材３５が配置されている。内板３２の冷蔵庫１の内側に位置する側の面には、スロート部材３４が接着などによって固定されている。スロート部材３４の外方（回動部材３３側は除く。）には、ガスケット３７が嵌合されるガスケット嵌合部材４５が、外板３１及び内板３２に接着などによって固定されている。また、内板３２の冷蔵室第二扉２２側の端部近傍には、冷蔵室第一扉２１と冷蔵室第二扉２２の間の隙間を塞ぐ回動部材３３が回動可能に接続されている。   The outer plate 31 and the inner plate 32 each have a flat box shape. The inner plate 32 is fixed to the outer plate 31 by fitting inside the side wall of the outer plate 31. In addition, a vacuum heat insulating material 35 is disposed on the inner sides of the outer plate 31 and the inner plate 32 over almost the entire surface thereof. A throat member 34 is fixed to the surface of the inner plate 32 on the inner side of the refrigerator 1 by adhesion or the like. A gasket fitting member 45 to which a gasket 37 is fitted is fixed to the outer plate 31 and the inner plate 32 by bonding or the like outside the throat member 34 (excluding the rotating member 33 side). In addition, a rotating member 33 that closes the gap between the first refrigerator door 21 and the second refrigerator door 22 is rotatably connected to the inner plate 32 in the vicinity of the end of the second refrigerator door 22 side. ing.

このような構成とされた冷蔵室第一扉２１は、上面及び底面の一側端近傍にヒンジ部５０を備えている。このヒンジ部５０には、図２に示した、断熱箱体３の軸棒１９が貫通する軸孔５１が形成されている。また、ヒンジ部５０の内側、すなわち、外板３１と内板３２の内側角部近傍には、金属などの剛性の高い素材で形成されたヒンジ受け板５５が配置されている。   The refrigerator compartment first door 21 configured as described above includes a hinge portion 50 in the vicinity of one side end of the top surface and the bottom surface. A shaft hole 51 through which the shaft bar 19 of the heat insulation box 3 is passed is formed in the hinge portion 50 as shown in FIG. Further, a hinge receiving plate 55 made of a highly rigid material such as metal is disposed inside the hinge portion 50, that is, in the vicinity of the inner corners of the outer plate 31 and the inner plate 32.

ヒンジ受け板５５は、冷蔵室第一扉２１を断熱箱体３に回動可能に装着したときに、軸棒１９に枢着される部材である。図１１に示すように、ヒンジ受け板５５は、Ｌ字状の平面板５５ａと、平面板５５ａの一端から平面板５５ａに対して垂直に立ち上がる垂直板５５ｂと、からなる。垂直板５５ｂには、軸棒１９が貫通する軸孔５５ｃが形成されている。   The hinge receiving plate 55 is a member pivotally attached to the shaft rod 19 when the refrigerator compartment first door 21 is rotatably attached to the heat insulating box 3. As shown in FIG. 11, the hinge receiving plate 55 includes an L-shaped flat plate 55a and a vertical plate 55b that rises perpendicularly from one end of the flat plate 55a to the flat plate 55a. A shaft hole 55c through which the shaft bar 19 passes is formed in the vertical plate 55b.

そして、図１２に示すように、冷蔵室第一扉２１における真空断熱材３５は略直方体形状であって、外板３１及び内板３２のヒンジ部５０の近傍に位置する角部が切り取られて、隣接する２つの角部が面取りされた形状とされている。また、真空断熱材３５は、内板３２の内側に挿入でき、かつ、内板３２の内側に有るスペースをできる限り埋めることができるように、内板３２の内寸よりも僅かに小さな外寸とされている。このように真空断熱材３５を形成することにより、真空断熱材３５を内板３２の内側に挿入した状態では、上下のヒンジ部５０の間にも真空断熱材３５が入り込み、内板３２の内側において断熱材が存在しないスペースを殆ど無くすことができる。   And as shown in FIG. 12, the vacuum heat insulating material 35 in the refrigerator compartment 1st door 21 is a substantially rectangular parallelepiped shape, The corner | angular part located in the vicinity of the hinge part 50 of the outer plate 31 and the inner plate 32 is cut off. The two adjacent corners are chamfered. Further, the vacuum heat insulating material 35 can be inserted inside the inner plate 32 and has an outer dimension slightly smaller than the inner dimension of the inner plate 32 so that the space inside the inner plate 32 can be filled as much as possible. It is said that. By forming the vacuum heat insulating material 35 in this way, in a state where the vacuum heat insulating material 35 is inserted inside the inner plate 32, the vacuum heat insulating material 35 enters between the upper and lower hinge portions 50, and the inner side of the inner plate 32. It is possible to eliminate almost no space where no heat insulating material exists.

さらに、冷蔵室第一扉２１において真空断熱材３５は、スロート部材３４の外寸よりも大きく形成され、スロート部材３４が固定された面の裏面において、少なくともスロート部材３４よりも広範囲に渡って配置されている。すなわち、真空断熱材３５の外周近傍位置では、スロート部材３４と真空断熱材３５が重畳された状態となっている。   Further, the vacuum heat insulating material 35 is formed larger than the outer dimension of the throat member 34 in the refrigerator door first door 21, and is arranged over a wider range at least than the throat member 34 on the back surface of the surface to which the throat member 34 is fixed. Has been. That is, in the vicinity of the outer periphery of the vacuum heat insulating material 35, the throat member 34 and the vacuum heat insulating material 35 are superposed.

また、図１３に示すように、真空断熱材３５は、外板３１及び内板３２に接着剤等によって接着されている。そして、ヒンジ受け板５５は、平面板５５ａの一部が内板３２と真空断熱材３５の間に入り込んでおり、真空断熱材３５と共に内板３２に接着固定されている。   Further, as shown in FIG. 13, the vacuum heat insulating material 35 is bonded to the outer plate 31 and the inner plate 32 with an adhesive or the like. The hinge receiving plate 55 has a part of the flat plate 55 a that is inserted between the inner plate 32 and the vacuum heat insulating material 35, and is bonded and fixed to the inner plate 32 together with the vacuum heat insulating material 35.

このように本実施形態における冷蔵室第一扉２１は、真空断熱材３５の隣接する一組の角部を面取りすることにより、断熱箱体３に冷蔵室第一扉２１を取り付けたときに軸棒１９が真空断熱材３５に干渉する当接する）ことを防止できる。よって、真空断熱材３５の外包フィルム１０５が軸棒１９によって損傷することを防止できる。また、真空断熱材３５の隣接する一組の角部を面取りすることにより、冷蔵室第一扉２１における上下のヒンジ部５０の間にまで真空断熱材３５を配置できるため、断熱効果を高めることができる。   As described above, the refrigerator compartment first door 21 in the present embodiment is pivoted when the refrigerator compartment first door 21 is attached to the heat insulating box 3 by chamfering a pair of adjacent corners of the vacuum heat insulating material 35. It is possible to prevent the rod 19 from coming into contact with the vacuum heat insulating material 35). Therefore, the outer packaging film 105 of the vacuum heat insulating material 35 can be prevented from being damaged by the shaft rod 19. Moreover, since the vacuum heat insulating material 35 can be arrange | positioned even between the upper and lower hinge parts 50 in the refrigerator compartment 1st door 21 by chamfering a pair of adjacent corner | angular part of the vacuum heat insulating material 35, a heat insulation effect is improved. Can do.

さらに、冷蔵室第一扉２１において真空断熱材３５は、スロート部材３４の外寸よりも大きく形成され、スロート部材３４で囲まれた領域よりも広い領域に渡って配置されていることにより、冷蔵室内の断熱効果を高めることができる。   Furthermore, the vacuum heat insulating material 35 is formed larger than the outer dimension of the throat member 34 in the refrigerator door first door 21, and is disposed over a region wider than the region surrounded by the throat member 34. The indoor heat insulation effect can be enhanced.

また、ヒンジ受け板５５を真空断熱材３５と共に内板３２に接着固定するため、製造時の作業工程を減らすことができる。   Further, since the hinge receiving plate 55 is bonded and fixed to the inner plate 32 together with the vacuum heat insulating material 35, the manufacturing process at the time of manufacture can be reduced.

なお、冷蔵室第二扉２２も冷蔵室第一扉２１と同様の構成とされており、同一の作用効果を得ることができる。また、冷蔵室第一扉２１及び冷蔵室第二扉２２における真空断熱材３５も、周りにソフトテープを巻装した構成としてもよい。   The refrigerating room second door 22 has the same configuration as that of the refrigerating room first door 21, and the same operational effects can be obtained. Moreover, the vacuum heat insulating material 35 in the refrigerator compartment 1st door 21 and the refrigerator compartment 2nd door 22 is good also as a structure which wound the soft tape around.

（第２の実施の形態）
次に、第２の実施の形態について述べる。なお、以下の実施形態においても、共通する部位に関しては共通する符号を用いて述べる。図１４に示すように、本実施形態における冷蔵室第一扉２１は、上記実施例における真空断熱材３５の面取りした部分、すなわち、ヒンジ部５０の内側に位置する空間に他の断熱材６１が配置されていることを特徴とする。他の断熱材６１としては、発泡ウレタンや発泡スチレン、スポンジ材、ソフトテープなどを使用することができる。 (Second Embodiment)
Next, a second embodiment will be described. In the following embodiments, common portions will be described using common reference numerals. As shown in FIG. 14, the refrigerating chamber first door 21 according to the present embodiment includes the other heat insulating material 61 in the chamfered portion of the vacuum heat insulating material 35 in the above example, that is, the space located inside the hinge portion 50. It is arranged. As the other heat insulating material 61, urethane foam, styrene foam, sponge material, soft tape, or the like can be used.

このように、真空断熱材３５の面取りした部分を埋めるように他の断熱材６１を配置することで、断熱効果をより高めることができる。   Thus, the heat insulation effect can be further enhanced by arranging another heat insulating material 61 so as to fill the chamfered portion of the vacuum heat insulating material 35.

本発明のいくつかの実施形態を説明したが、これらの実施形態は、例として提示したものであり、発明の範囲を限定することは意図していない。これら新規な実施形態は、その他の様々な形態で実施されることが可能であり、発明の要旨を逸脱しない範囲で、種々の省略、置き換え、変更を行うことができる。これら実施形態やその変形は、発明の範囲や要旨に含まれるとともに、特許請求の範囲に記載された発明とその均等の範囲に含まれる。   Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

１ 冷蔵庫
３ 断熱箱体
１１ 冷蔵室
１２ 野菜室
１３ 製氷室
１４ 第一冷凍室
１５ 第二冷凍室
２１ 冷蔵室第一扉
２２ 冷蔵室第二扉
２３ 野菜室扉
２４ 製氷室扉
２５ 第一冷凍室扉
２６ 第二冷凍室扉
３１ 外板
３１ａ 突出部
３１ｂ ねじ穴
３２ 内板
３２ａ ガスケット受け部
３２ｂ ねじ穴
３２ｃ 防護壁
３３ 回動部材
３４ スロート部材
３５ 真空断熱材
３６ 弾性部材
３７ ガスケット
３７ａ エアクッション部
３７ｂ 差込部
３７ｃ マグネット
３９ 取手
４０ 接着剤
４１ 螺子
４３ 断熱材
４５ ガスケット嵌合部材
５０ ヒンジ部
５１ 軸孔
５５ ヒンジ受け板
５５ａ 平板
５５ｂ 垂直板
５５ｃ 軸孔
６１ 断熱材
１０１ コア材
１０５ 外包フィルム DESCRIPTION OF SYMBOLS 1 Refrigerator 3 Heat insulation box 11 Refrigeration room 12 Vegetable room 13 Ice making room 14 1st freezer room 15 2nd freezer room 21 Refrigerating room 1st door 22 Refrigerating room 2nd door 23 Vegetable room door 24 Ice making room door 25 First freezer room Door 26 Second freezer compartment door 31 Outer plate 31a Protruding portion 31b Screw hole 32 Inner plate 32a Gasket receiving portion 32b Screw hole 32c Protective wall 33 Rotating member 34 Throat member 35 Vacuum heat insulating material 36 Elastic member 37 Gasket 37a Air cushion portion 37b Insertion part 37c Magnet 39 Handle 40 Adhesive 41 Screw 43 Heat insulation material 45 Gasket fitting member 50 Hinge part 51 Shaft hole 55 Hinge receiving plate 55a Flat plate 55b Vertical plate 55c Shaft hole 61 Heat insulation material 101 Core material 105 Outer film

Claims (1)

内箱と外箱との間に断熱材が充填されてなり、正面を開口とした断熱箱体と、前記断熱箱体の正面の開口を塞ぐ扉と、を有した冷蔵庫であって、
前記扉は、内部に真空断熱材を備え、
前記扉は、前記断熱箱体に回動可能に装着するためのヒンジ部を角部近傍に有し、
前記真空断熱材は、前記ヒンジ部に近接する角部分が面取りされ、かつ該面取り部分を埋めるような前記真空断熱材とは異なる断熱材が配置されていることを特徴とする冷蔵庫。 It is a refrigerator having a heat insulating material filled between an inner box and an outer box, and having a heat insulating box with an opening at the front, and a door for closing the opening at the front of the heat insulating box,
The door includes a vacuum heat insulating material inside,
The door has a hinge part in the vicinity of the corner part for pivotally mounting the heat insulation box,
The refrigerator is characterized in that the vacuum heat insulating material is provided with a heat insulating material different from the vacuum heat insulating material in which a corner portion close to the hinge portion is chamfered and fills the chamfered portion.
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