JP2002147942A - Refrigerator - Google Patents
RefrigeratorInfo
- Publication number
- JP2002147942A JP2002147942A JP2000337123A JP2000337123A JP2002147942A JP 2002147942 A JP2002147942 A JP 2002147942A JP 2000337123 A JP2000337123 A JP 2000337123A JP 2000337123 A JP2000337123 A JP 2000337123A JP 2002147942 A JP2002147942 A JP 2002147942A
- Authority
- JP
- Japan
- Prior art keywords
- insulating material
- heat insulating
- vacuum heat
- refrigerator
- box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
Landscapes
- Refrigerator Housings (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は外箱と内箱間に真空
断熱材を備えた断熱箱体からなる冷蔵庫に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator comprising an insulating box provided with a vacuum insulating material between an outer box and an inner box.
【０００２】[0002]
【従来の技術】近年、冷蔵庫においては省エネルギーと
大容量化のニーズが高まっている。しかし住宅事情の関
係で冷蔵庫の大型化に対する設置スペースの制約があ
り、大容量化を実現するためには冷蔵庫本体内の無効空
間を見直し、減らすことによって容積効率を高め、設置
スペースを大きくせずに有効な内容積を増やすことが求
められている。2. Description of the Related Art In recent years, there has been an increasing need for energy saving and large capacity refrigerators. However, due to the housing situation, the installation space is limited due to the increase in size of the refrigerator, and in order to increase the capacity, review the ineffective space inside the refrigerator body and increase the volumetric efficiency by reducing it, without increasing the installation space. It is required to increase the effective internal volume.
【０００３】そして庫内の容積効率を高め、かつ吸熱量
を増大させない省エネ型の冷蔵庫を実現するために、冷
蔵庫本体の断熱材の断熱性能を強化し断熱層を薄くする
必要が生じており、真空断熱材が用いられるようになっ
て来た。従来のこの種の冷蔵庫としては、特開平１０−
２０５９９３号公報と特開平１０−２０５９９５号公報
に示されているものがある。In order to increase the volumetric efficiency of the refrigerator and to realize an energy-saving refrigerator that does not increase the amount of heat absorbed, it is necessary to enhance the heat insulating performance of the heat insulating material of the refrigerator body and make the heat insulating layer thinner. Vacuum insulation has come to be used. A conventional refrigerator of this type is disclosed in
Japanese Patent Application Laid-Open No. 2059993 and Japanese Patent Application Laid-Open No. 10-205995 disclose some of them.
【０００４】特開平１０−２０５９９３号公報について
図面を参照しながら説明する。[0004] Japanese Patent Application Laid-Open No. 10-205993 will be described with reference to the drawings.
【０００５】図１１は従来の冷蔵庫の中央断面図であ
る。図１１において、１は冷蔵庫本体で、２は外箱で、
３は内箱で、４は真空断熱材であり、外箱２と内箱３の
いずれか一方の内壁面に配置し、発泡断熱材との接触面
側に断熱材シート４ａを配置しているようになってい
る。FIG. 11 is a central sectional view of a conventional refrigerator. In FIG. 11, 1 is a refrigerator main body, 2 is an outer box,
Reference numeral 3 denotes an inner box, 4 denotes a vacuum heat insulating material, which is disposed on one of the inner wall surfaces of the outer box 2 and the inner box 3, and a heat insulating sheet 4a is disposed on a contact surface side with the foam heat insulating material. It has become.
【０００６】また、特開平１０−２０５９９５号公報に
ついて図面を参照しながら説明する。[0006] Japanese Patent Application Laid-Open No. 10-205995 will be described with reference to the drawings.
【０００７】図１２は、従来の冷蔵庫の縦断面図であ
る。図１３は同冷蔵庫のドアを除く正面図である。５は
冷蔵庫本体で、前方に開口する鋼鈑製の外箱６と、硬質
樹脂製の内箱７間に発泡ポリウレタン断熱材８を現場発
泡方式により充填して成る断熱箱体９により形成されて
おり、この断熱箱体９の庫内は、中央部に設けられた仕
切板１０によって上下に区分けされ、仕切板１０の上方
を冷蔵温度（＋５℃程）に維持される冷蔵室１１として
いる。FIG. 12 is a longitudinal sectional view of a conventional refrigerator. FIG. 13 is a front view of the refrigerator excluding a door. Reference numeral 5 denotes a refrigerator main body, which is formed by an outer box 6 made of a steel plate opening forward and an insulating box 9 formed by filling a foamed polyurethane insulating material 8 by an in-situ foaming method between inner boxes 7 made of hard resin. The interior of the heat insulating box 9 is divided into upper and lower parts by a partition plate 10 provided at the center, and the upper part of the partition plate 10 serves as a refrigerating room 11 maintained at a refrigerating temperature (about + 5 ° C.).
【０００８】仕切板１０の下方は更に真空断熱材を内蔵
した略Ｌ字状の断熱仕切壁１２にて上下に区画され、こ
の断熱仕切壁１２と仕切板１０の間を野菜などの乾燥を
嫌う食品を収納するための野菜室１３としている。The lower part of the partition plate 10 is further divided into upper and lower parts by a substantially L-shaped heat insulating partition wall 12 containing a vacuum heat insulating material, and the space between the heat insulating partition wall 12 and the partition plate 10 is difficult to dry vegetables and the like. It is a vegetable room 13 for storing food.
【０００９】断熱仕切壁１２の下方、即ち、庫内最下部
を凍結温度（−２０℃程）に冷却される冷凍室１４とし
ている。断熱箱体９の底壁９Ａは後部が階段状に立ち上
がる形状とされており、この底壁９Ａの後部外側には機
械室１５が形成され、圧縮機１６を配している。[0009] The lower part of the heat insulating partition wall 12, that is, the lowermost part of the inside of the refrigerator is a freezing room 14 cooled to a freezing temperature (about -20 ° C). The bottom wall 9A of the heat-insulating box 9 has a rear portion that rises in a stepped shape. A machine chamber 15 is formed outside the rear portion of the bottom wall 9A, and a compressor 16 is provided.
【００１０】また、底壁９Ａが係る形状とされている関
係上、冷凍室１４の底部も後部が立ち上がる形状とさ
れ、そのため、下方の容器１７の後面は上方の容器１８
の後面よりも前方に位置するかたちとなる。Further, since the bottom wall 9A has such a shape, the bottom of the freezing compartment 14 also has a shape in which the rear portion rises, so that the rear surface of the lower container 17 is connected to the upper container 18.
It is located in front of the rear surface.
【００１１】一方、冷凍室１４の両側方に対応する外箱
６の側板６Ａ内面には真空断熱材１９が貼り付けられる
と共に、冷凍室１４の下方に対応する外箱６の底板６Ａ
内面にも真空断熱材２０が貼り付けられ、断熱材８内に
埋設されている。On the other hand, a vacuum heat insulating material 19 is attached to the inner surface of the side plate 6A of the outer box 6 corresponding to both sides of the freezer compartment 14, and the bottom plate 6A of the outer box 6 corresponding to the lower portion of the freezer compartment 14.
The vacuum heat insulating material 20 is also attached to the inner surface, and is embedded in the heat insulating material 8.
【００１２】また、冷凍室１４の冷却室２１を構成する
冷却器２２、送風機２３の背方に対応する外箱６の背板
６Ｂ内面にも真空断熱材２４が貼り付けられ、断熱材８
内に埋設されている。A vacuum heat insulating material 24 is also attached to the inner surface of the back plate 6B of the outer box 6 corresponding to the back of the cooler 22 and the blower 23 constituting the cooling chamber 21 of the freezing room 14, and the heat insulating material 8
Buried inside.
【００１３】各真空断熱材１９，２０，２４は、例えば
内側からポリエチレン若しくはポリプロピレン若しくは
ポリプロピレンなどから成る熱溶着層とアルミニウム層
及び表面保護層をラミネートしたガスバリアフィルムを
折り返し、二辺を密着させて熱溶着層を相互に溶着する
事により袋状とし、その状態でシリカ、パーライトなど
の微粉末、及び、グラスファイバ、或いは、連続気泡の
発泡ポリウレタン断熱材から成るコア材を挿入し、所定
の真空排気装置内において袋内部のガスを排気して真空
状態とした後、残りの一辺の前記熱溶着層を相互に溶着
させて密封する事により製造されている。Each of the vacuum heat insulating materials 19, 20, and 24 is formed by folding a gas barrier film in which a heat-welding layer made of, for example, polyethylene, polypropylene, or polypropylene, an aluminum layer and a surface protective layer are laminated from the inside, The welding layers are welded to each other to form a bag, and in that state, a fine powder such as silica or pearlite and a core material made of glass fiber or open-cell foamed polyurethane heat insulating material are inserted, and a predetermined vacuum evacuation is performed. After the gas inside the bag is evacuated to a vacuum state in the apparatus, the heat-welding layers on the other side are welded to each other and sealed.
【００１４】以上のように構成された真空断熱材を備え
た断熱箱体から成る冷蔵庫について、以下その動作を説
明する。The operation of the refrigerator comprising a heat insulating box provided with the vacuum heat insulating material constructed as described above will be described below.
【００１５】冷凍室１４の両側方に位置する真空断熱材
１９の上部は図１２に示す如く野菜室１３を経て冷蔵室
１１の下部まで延在すると共に、真空断熱材１９の下端
縁１９Ａはその後部が前部よりも所定の角度で徐々に立
ち上がる傾斜形状とされている。The upper portion of the vacuum heat insulator 19 located on both sides of the freezer compartment 14 extends to the lower portion of the refrigerator compartment 11 through the vegetable compartment 13 as shown in FIG. The part has an inclined shape that gradually rises at a predetermined angle from the front part.
【００１６】これにより、真空断熱材１９の下端縁１９
Ａは底壁９Ａの形状に近似した形状となり、真空断熱材
１９は機械室１５を避けて冷凍室１４底部の前部から後
部に渡る略全域をカバーするようになる。Thus, the lower edge 19 of the vacuum heat insulating material 19 is formed.
A has a shape approximating the shape of the bottom wall 9A, and the vacuum heat insulating material 19 covers substantially the entire area from the front part to the rear part of the bottom of the freezer compartment 14 avoiding the machine room 15.
【００１７】これによって、機械室１５による断熱箱体
９の底壁９Ａの形状に係わらず、真空断熱材１９を断熱
箱体９の側部に広い面積で貼付け、その断熱効果を向上
させることができるようになる。Thus, regardless of the shape of the bottom wall 9A of the heat-insulating box 9 formed by the machine room 15, the vacuum heat-insulating material 19 can be stuck to the side of the heat-insulating box 9 with a large area to improve the heat insulating effect. become able to.
【００１８】[0018]
【発明が解決しようとする課題】しかしながら上記従来
の構成では、外箱と内箱のいずれか一方の内壁面に直接
真空断熱材を貼り付けているので、内箱あるいは、外箱
との間に空気溜まりができ、外箱や内箱が変形し、美観
を損なうという欠点があった。However, in the above-mentioned conventional structure, the vacuum heat insulating material is directly adhered to one of the inner wall surfaces of the outer box and the inner box. There was a drawback that an air pocket was formed, the outer and inner boxes were deformed, and the appearance was impaired.
【００１９】また、正方形或いは長方形で板状が主流で
ある真空断熱材においては、コストがかかるという欠点
があった。In addition, vacuum heat insulating materials having a square or rectangular shape and a plate shape being the mainstream have a disadvantage that the cost is high.
【００２０】本発明は従来の課題を解決するもので、真
空断熱材の形状を正方形或いは長方形とし、貼付け部、
貼付け方を工夫することにより庫内熱侵入を効果的に抑
制できる断熱箱体を構成し、容積効率が高く、使い勝手
の良い冷蔵庫を提供することを目的とする。The present invention is to solve the conventional problem, and the shape of the vacuum heat insulating material is square or rectangular,
An object of the present invention is to provide a heat-insulating box that can effectively suppress heat intrusion in the refrigerator by devising a method of attaching the heat-insulating box, and to provide a refrigerator that has high volumetric efficiency and is easy to use.
【００２１】[0021]
【課題を解決するための手段】本発明の請求項１に記載
の発明は、外箱と、内箱の内部空間内に設けた真空断熱
材と前記真空断熱材の周囲隙間に、ウレタン原液を注入
・発泡した発泡断熱材を充填した冷蔵庫において、前記
内箱は前記外箱に向かって一体成形された凸部を形成
し、前記真空断熱材は前記凸部に接触させたことによ
り、内箱と真空断熱材との間に発泡断熱材が充填される
空間が確保でき、内箱と真空断熱材とが接触する面積が
小さくなり、内箱と真空断熱材の接触部分に発生しやす
い空気溜まりをなくすという作用を有する。According to the first aspect of the present invention, a urethane stock solution is supplied to an outer box, a vacuum heat insulating material provided in an inner space of the inner box, and a clearance around the vacuum heat insulating material. In the refrigerator filled with the injected and foamed foam insulation, the inner box forms a projection integrally formed toward the outer box, and the vacuum insulation material is brought into contact with the projection to form the inner box. The space filled with foam insulation can be secured between the vacuum box and the vacuum insulation, the area where the inner box and the vacuum insulation are in contact is reduced, and air pockets are likely to be generated at the contact area between the inner box and the vacuum insulation. Has the effect of eliminating
【００２２】請求項２に記載の発明は、外箱と、内箱の
内部空間内に設けた真空断熱材と前記真空断熱材の周囲
隙間に、ウレタン原液を注入・発泡した発泡断熱材を充
填した冷蔵庫において、前記外箱は前記内箱に向かって
一体成形された凸部を形成し、前記真空断熱材は前記凸
部に接触させたことにより、外箱と真空断熱材との間に
発泡断熱材が充填される空間が確保でき、外箱と真空断
熱材とが接触する面積が小さくなり、接触部分のわずか
な隙間に発生しやすい空気溜まりをなくすという作用を
有する。According to a second aspect of the present invention, an outer box, a vacuum heat insulating material provided in the inner space of the inner box, and a gap around the vacuum heat insulating material are filled with a foam heat insulating material obtained by injecting and foaming a urethane stock solution. In the refrigerator, the outer box forms a convex portion integrally formed toward the inner box, and the vacuum heat insulating material is foamed between the outer box and the vacuum heat insulating material by being brought into contact with the convex portion. The space filled with the heat insulating material can be ensured, the area where the outer box and the vacuum heat insulating material come into contact with each other is reduced, and an effect of eliminating air pockets that are likely to be generated in a slight gap between the contact portions is provided.
【００２３】請求項３に記載の発明は、内箱内壁に外箱
に向かって形成される凸部と、庫内部品が内箱内壁に備
えられた凹部と係合する冷蔵庫において、前記凸部に接
触させて真空断熱材を備え、前記凸部と前記凹部とが背
中合わせに形成されるものであり、機能的に形成された
凹部を使うことで、断熱壁を不用意に薄くする必要はな
く吸熱量を増大させることはない。According to a third aspect of the present invention, in the refrigerator, the convex portion formed on the inner wall of the inner box toward the outer box, and the internal component engages with the concave portion provided on the inner wall of the inner box. A vacuum heat insulating material in contact with, the convex part and the concave part are formed back to back, and by using the functionally formed concave part, there is no need to inadvertently thin the heat insulating wall. It does not increase the heat absorption.
【００２４】請求項４に記載の発明は、請求項２に記載
の発明において、外観上見えにくい部分に外箱と一体成
形した凸部を設けたので、外観上美観を損なわないとい
う作用を有する。According to a fourth aspect of the present invention, in the second aspect of the present invention, a convex portion integrally formed with the outer box is provided in a portion that is hardly visible in appearance, so that it has an effect of not impairing the appearance. .
【００２５】請求項５に記載の発明は、請求項１から請
求項４のいずれか一項に記載の発明において、真空断熱
材と接触する凸部を複数個備えたので、凸部に貼り付け
られる真空断熱材をしっかり固定できる。According to a fifth aspect of the present invention, in the first aspect of the present invention, a plurality of convex portions that come into contact with the vacuum heat insulating material are provided. Vacuum insulation material can be firmly fixed.
【００２６】請求項６に記載の発明は、請求項１または
請求項２に記載の発明において、凸部の高さを基準面か
ら約５mmとしたことにより、庫内壁面に庫内部品の機能
的な形状以外の形状が形成されるが意匠的に見栄えを落
とすことなく、また５ｍｍあれば発泡断熱材の流動性を
確保できる冷蔵庫を提供することができる。According to a sixth aspect of the present invention, in the first or the second aspect of the present invention, the height of the convex portion is set to about 5 mm from the reference plane, so that the function of the in-compartment component is provided on the inner wall surface of the compartment. Although a shape other than a typical shape is formed, it is possible to provide a refrigerator capable of ensuring the fluidity of the foamed heat insulating material without deteriorating the appearance of the design, and having a thickness of 5 mm.
【００２７】請求項７に記載の発明は、請求項１または
請求項２に記載の発明において、凸部と真空断熱材の貼
付けを熱硬化性の接着剤にて固定することにより、凸部
を形成する樹脂と真空断熱材のシートとの密着性を確保
できる。According to a seventh aspect of the present invention, in the first or the second aspect of the present invention, the projection is fixed to the vacuum heat insulating material with a thermosetting adhesive. Adhesion between the resin to be formed and the sheet of the vacuum heat insulating material can be ensured.
【００２８】請求項８に記載の発明は、外箱と、内箱で
形成される内部空間内に前記内箱に接触して備えられる
真空断熱材と前記真空断熱材の周囲隙間に、ウレタン原
液を注入・発泡した発泡断熱材を充填した冷蔵庫におい
て、前記真空断熱材は前記内箱に備えられた空気抜け孔
に連通する貫通孔を有し、前記空気抜け孔の径は前記貫
通孔の径より小さいので、発泡断熱材を充填した時に空
気をスムーズに抜くことができ、空気抜け孔から断熱材
が漏れ出すことはない。[0028] The invention according to claim 8 is characterized in that the urethane undiluted solution is provided between the outer box, the vacuum heat insulating material provided in contact with the inner box in the inner space formed by the inner box, and the peripheral gap between the vacuum heat insulator. In a refrigerator filled with a foamed heat insulating material filled and foamed, the vacuum heat insulating material has a through hole communicating with an air vent provided in the inner box, and the diameter of the air vent is the diameter of the through hole. Since it is smaller, air can be evacuated smoothly when the foamed heat insulating material is filled, and the heat insulating material does not leak from the air vent hole.
【００２９】請求項９に記載の発明は、外箱と、内箱で
形成される内部空間内に前記外箱に接触して備えられる
真空断熱材と前記真空断熱材の周囲隙間に、ウレタン原
液を注入・発泡した発泡断熱材を充填した冷蔵庫におい
て、前記真空断熱材は前記外箱に備えられた空気抜け孔
に連通する貫通孔を有し、前記空気抜け孔の径は前記貫
通孔の径より小さいので、発泡断熱材を充填した時に空
気をスムーズに抜くことができ、空気抜け孔から断熱材
が漏れ出すことはない。According to a ninth aspect of the present invention, there is provided a urethane undiluted solution in an outer box, a vacuum insulating material provided in contact with the outer box in an inner space formed by the inner box, and a clearance around the vacuum insulating material. In a refrigerator filled with a foamed heat insulating material filled and foamed, the vacuum heat insulating material has a through hole communicating with an air vent hole provided in the outer box, and the diameter of the air vent hole is the diameter of the through hole. Since it is smaller, air can be evacuated smoothly when the foamed heat insulating material is filled, and the heat insulating material does not leak from the air vent hole.
【００３０】請求項１０に記載の発明は、請求項８また
は請求項９に記載の発明において、真空断熱材の貫通孔
外周部の接着面を接着材で完全密封したので、断熱材を
充填したときに断熱材が接着面に入り込んで貫通孔を塞
ぐことはない。According to a tenth aspect of the present invention, since the bonding surface of the outer peripheral portion of the through hole of the vacuum heat insulating material is completely sealed with the adhesive in the invention of the eighth or ninth aspect, the heat insulating material is filled. Sometimes, the heat insulating material does not enter the bonding surface and block the through hole.
【００３１】請求項１１に記載の発明は、請求項８また
は請求項９に記載の発明において、真空断熱材の貫通孔
外周部を連通フォームにてシールしたので、発泡断熱材
を回し込むことで真空断熱材の固定が確保できるという
作用を有する。According to an eleventh aspect of the present invention, in the invention of the eighth or ninth aspect, since the outer peripheral portion of the through hole of the vacuum heat insulating material is sealed with a communication foam, the foam heat insulating material is turned around. It has the effect of securing the vacuum heat insulating material.
【００３２】請求項１２に記載の発明は真空断熱材に線
状の圧縮部を設け前記圧縮部を折り曲げることにより真
空断熱材を圧縮機に対応した外箱の形状に沿わせて貼り
付けたものであり、圧縮機を覆う外箱の折り曲げ形状に
近似するように折曲がり部分に凹部を備え外箱の内面に
貼り付けられているので、外箱と真空断熱材との間に不
用な空間を作ることなく貼り付けられるので、効果的に
熱侵入を防止することを可能とし、冷蔵庫において最も
温度が上昇する圧縮機（通常運転時４０℃〜５０℃）近
傍に０．００５〜０．０１０Ｋｃａｌ／ｍｈ℃の熱伝導
率を達成する真空断熱材を配置しても断熱層を薄くして
対応できる。また、機械室カバーで覆われるため、外観
も損ねないという作用を有する。According to a twelfth aspect of the present invention, a vacuum heat insulating material is provided with a linear compression part, and the vacuum heat insulation material is adhered along a shape of an outer box corresponding to the compressor by bending the compression part. It has a concave part in the bent part to approximate the bent shape of the outer box covering the compressor, and is attached to the inner surface of the outer box, so that unnecessary space is provided between the outer box and the vacuum heat insulating material. Since it can be stuck without making, it is possible to effectively prevent heat intrusion, and 0.005 to 0.010 Kcal / is located near the compressor (40 ° C to 50 ° C during normal operation) where the temperature rises most in the refrigerator. Even if a vacuum heat insulating material that achieves a thermal conductivity of mh ° C. is arranged, the heat insulating layer can be made thinner. In addition, since it is covered with the machine room cover, it has the effect of not impairing the appearance.
【００３３】請求項１３に記載の発明は、請求項１２に
記載の発明において真空断熱材の上方と前方からの投影
面内に圧縮機の大部分が収められるように真空断熱材を
配設したものであり、圧縮機の熱の庫内熱侵入を防ぐこ
とができる。According to a thirteenth aspect of the present invention, in the twelfth aspect of the present invention, the vacuum heat insulating material is disposed so that most of the compressor can be accommodated in a projection plane from above and in front of the vacuum heat insulating material. It is possible to prevent the heat of the compressor from entering the refrigerator.
【００３４】請求項１４に記載の発明は、請求項１２に
記載の発明において圧縮部が真空断熱材の両面に備えら
れるものであり折り曲げやすく外箱との空間部を低減で
きる。According to a fourteenth aspect of the present invention, the compression part is provided on both sides of the vacuum heat insulating material in the invention of the twelfth aspect, so that it is easy to bend and the space between the outer case and the outer box can be reduced.
【００３５】[0035]
【発明の実施の形態】以下、本発明による冷蔵庫の実施
の形態について、図面を参照しながら説明する。なお、
従来と同一構成については、同一符号を付して詳細な説
明を省略する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a refrigerator according to the present invention will be described below with reference to the drawings. In addition,
The same reference numerals are given to the same components as those in the related art, and the detailed description is omitted.
【００３６】（実施の形態１）図１は本発明の実施の形
態１による冷蔵庫の中央断面図である。(Embodiment 1) FIG. 1 is a central sectional view of a refrigerator according to Embodiment 1 of the present invention.
【００３７】図１において、３０は冷蔵庫本体であり、
３１は冷蔵庫の外箱であり、３２は冷蔵庫の内箱であ
り、３３は内箱３２と外箱３１との間に充填して形成さ
れた発泡断熱材で、３４は内箱３２の内部空間に設けら
れ、外箱３１側に突出し、内箱３２と一体成形した凸部
である。前記凸部３４は、少なくとも真空断熱材３５が
配置される内箱３２の所定面積分だけに形成されておれ
ばよいが、庫内側の同じ位置に、換言すると、背中合わ
せに凹部が形成されるので、意匠的にみて必要があるな
らそれ以外の場所にも凸部を複数個備えても良い。In FIG. 1, reference numeral 30 denotes a refrigerator body,
Reference numeral 31 denotes an outer box of the refrigerator, 32 denotes an inner box of the refrigerator, 33 denotes a foam insulating material formed by being filled between the inner box 32 and the outer box 31, and 34 denotes an internal space of the inner box 32. , Protruding toward the outer box 31 and integrally formed with the inner box 32. The convex portion 34 may be formed only at least for a predetermined area of the inner box 32 where the vacuum heat insulating material 35 is arranged. However, since the concave portion is formed at the same position inside the refrigerator, in other words, the concave portion is formed back to back. If necessary in terms of design, a plurality of convex portions may be provided in other places.
【００３８】また凸部３４の高さは約５ｍｍとしてい
る。約５ｍｍあれば内箱３２の基準面と真空断熱材３５
の間の空間にも十分発泡断熱材３３が行き渡るので流動
性確保することができる。また凸部３４の高さが極端に
高いと断熱材の流動性面には良いが意匠的に損なわれる
ため、約５ｍｍ程度が妥当である。The height of the projection 34 is about 5 mm. If it is about 5 mm, the reference surface of the inner box 32 and the vacuum heat insulating material 35
Since the foamed heat insulating material 33 is sufficiently distributed also in the space between them, fluidity can be ensured. If the height of the convex portion 34 is extremely high, the fluidity of the heat insulating material is good, but the design is impaired, so that about 5 mm is appropriate.
【００３９】３５は凸部３４に載置された真空断熱材で
あり、アルミ箔とプラスチックフィルムを積層させた外
袋３５ａ内にコア材３５ｂが挿入され熱融着によって密
着シールされて構成されている。Numeral 35 is a vacuum heat insulating material placed on the convex portion 34. The vacuum heat insulating material 35 is formed by inserting a core material 35b into an outer bag 35a in which an aluminum foil and a plastic film are laminated, and tightly sealing by heat fusion. I have.
【００４０】すなわち真空断熱材３５は冷蔵庫本体の背
面に形成されている。That is, the vacuum heat insulating material 35 is formed on the back of the refrigerator main body.
【００４１】３６は冷蔵庫本体３０の庫内後方に配置さ
れ内箱３２の前方に空気の流れる経路の空間を設けて配
置されたダクトカバーである。３７は外箱３１と一体成
形された凸部であり、内箱３２側に突出している。３８
は冷蔵庫本体３０の後方下部に備えられた機械室であ
る。機械室３８は開口部を機械室カバー３９で覆われて
おり、機械室３８内に配置された冷凍サイクルの圧縮機
４０などが外から見えないようになっている。Numeral 36 denotes a duct cover which is arranged at the rear of the refrigerator main body 30 inside the refrigerator and is provided with a space for an air flow path in front of the inner box 32. Reference numeral 37 denotes a projection integrally formed with the outer box 31 and protrudes toward the inner box 32. 38
Is a machine room provided in the lower rear part of the refrigerator main body 30. The opening of the machine room 38 is covered with a machine room cover 39 so that the compressor 40 and the like of the refrigeration cycle arranged in the machine room 38 cannot be seen from the outside.
【００４２】４１は凸部３７に載置された真空断熱材で
あり、アルミ箔とプラスチックフィルムを積層させた外
袋４１ａ内にコア材４１ｂが挿入され熱融着によって密
着シールされて構成されており冷蔵庫の機械室内や底面
に形成されている。真空断熱材３５と凸部３４との接触
面、真空断熱材４１と凸部３７との接触面には熱硬化性
の接着剤４２が塗られており接触面に発泡断熱材３３が
混入しないようになっている。Reference numeral 41 denotes a vacuum heat insulating material placed on the convex portion 37. The vacuum heat insulating material 41 is formed by inserting a core material 41b into an outer bag 41a in which an aluminum foil and a plastic film are laminated, and tightly sealing by heat fusion. It is formed in the machine room and bottom of the refrigerator. A thermosetting adhesive 42 is applied to a contact surface between the vacuum heat insulating material 35 and the convex portion 34 and a contact surface between the vacuum heat insulating material 41 and the convex portion 37 so that the foam heat insulating material 33 is not mixed into the contact surface. It has become.
【００４３】以上のように構成された冷蔵庫について、
以下その動作を説明する。With respect to the refrigerator configured as described above,
The operation will be described below.
【００４４】本体３０の内箱３２または外箱３１の内壁
面に部分的に形成した凸部３４，３７に真空断熱材３
５，４１を接着剤４２で接着固定している。The projections 34 and 37 formed partially on the inner wall surface of the inner box 32 or the outer box 31 of the main body 30 are provided with vacuum heat insulating material 3.
5, 41 are adhered and fixed with an adhesive 42.
【００４５】その後、真空断熱材３５が固定された内箱
３２と外箱３１との間の空間部内に断熱材３３を注入、
発泡させて空間を断熱材３３で充填することで冷蔵庫本
体３０が形成される。真空断熱材３５は内箱３２の内壁
面との接触が小さくなるように凸部３４と接触固定され
ているので、凸部３４と真空断熱材３５間には断熱材３
３を充填した時に、断熱材の流れが悪いと発生しやすい
ガスが溜まりにくく、ガス溜まりによる内箱３２の変形
を低減することができる。Thereafter, a heat insulating material 33 is injected into a space between the inner box 32 and the outer box 31 to which the vacuum heat insulating material 35 is fixed.
The refrigerator body 30 is formed by foaming and filling the space with the heat insulating material 33. Since the vacuum heat insulating material 35 is fixed in contact with the convex portion 34 so as to reduce the contact with the inner wall surface of the inner box 32, the heat insulating material 3 is provided between the convex portion 34 and the vacuum heat insulating material 35.
If the flow of the heat insulating material is poor at the time of filling with 3, the gas that is likely to be generated is unlikely to accumulate, and the deformation of the inner box 32 due to the gas accumulation can be reduced.
【００４６】また、真空断熱材４１も同様に外箱３１の
凸部３７に接着固定され、さらに機械室カバー３９で外
から見えないようになっているので外箱３１の変形を低
減できるとともに、外観品位を維持できる。Further, the vacuum heat insulating material 41 is similarly bonded and fixed to the convex portion 37 of the outer box 31 and is made invisible from the outside by the machine room cover 39, so that the deformation of the outer box 31 can be reduced. The appearance quality can be maintained.
【００４７】（実施の形態２）図２は本発明の実施の形
態２による冷蔵庫の断面図である。(Embodiment 2) FIG. 2 is a sectional view of a refrigerator according to Embodiment 2 of the present invention.
【００４８】図２において、４３は冷蔵庫本体３０内に
形成される貯蔵室の引出し容器であり、４４は冷蔵庫本
体３０に対して前後に形成されたレールであり、引出し
容器４３はレール４４上を前後に摺動するように載置さ
れている。レール４４は断面略コの字状であり、その取
付部となる内箱３２を外箱３１側に突出させた凸部４５
にレール４４が係合している。In FIG. 2, reference numeral 43 denotes a drawer container of a storage room formed in the refrigerator main body 30, reference numeral 44 denotes a rail formed back and forth with respect to the refrigerator main body 30, and the drawer container 43 extends on the rail 44. It is mounted so as to slide back and forth. The rail 44 has a substantially U-shaped cross section, and has a convex portion 45 formed by projecting the inner box 32 serving as a mounting portion thereof to the outer box 31 side.
Is engaged with the rail 44.
【００４９】４６は凸部４５に接触固定された真空断熱
材であり、冷蔵庫本体３０の側面に設置されており、ア
ルミ箔とプラスチックフィルムを積層させた外袋４６ａ
内にコア材４６ｂが挿入され熱融着によって密着シール
されて構成されている。Numeral 46 denotes a vacuum heat insulating material fixed to the convex portion 45, which is installed on the side surface of the refrigerator main body 30, and which has an outer bag 46a in which an aluminum foil and a plastic film are laminated.
The core member 46b is inserted therein and is tightly sealed by heat fusion.
【００５０】以上のように構成された冷蔵庫について、
以下その動作を説明する。With respect to the refrigerator configured as described above,
The operation will be described below.
【００５１】内箱３２の側面に固定された真空断熱材４
６は、引出し容器４３が摺動するために必要なレール４
４の凸部４５に接着固定しているので、内箱３２と外箱
３１間の断熱空間を不用に薄くすることはなく、吸熱量
を増大させることはない。The vacuum heat insulating material 4 fixed to the side of the inner box 32
6 is a rail 4 necessary for the drawer container 43 to slide.
4, the heat insulating space between the inner box 32 and the outer box 31 is not unnecessarily thinned, and the heat absorption is not increased.
【００５２】また、真空断熱材４６は内箱３２と凸部４
５のみで接触固定しているので、凸部４５と真空断熱材
４６間には断熱材３３を充填した時に、発生するガスが
凸部４５と真空断熱材４６との間に溜まりにくく、ガス
溜まりによる内箱３２の変形を低減することができる。
（実施の形態３）図３は本発明の実施の形態３による真
空断熱材の斜視図である。図４は、同実施の形態の冷蔵
庫の縦断面図である。Further, the vacuum heat insulating material 46 is provided between the inner box 32 and the convex portion 4.
5, the generated gas is unlikely to accumulate between the convex portion 45 and the vacuum heat insulating material 46 when the heat insulating material 33 is filled between the convex portion 45 and the vacuum heat insulating material 46. Can reduce the deformation of the inner box 32.
(Embodiment 3) FIG. 3 is a perspective view of a vacuum heat insulating material according to Embodiment 3 of the present invention. FIG. 4 is a longitudinal sectional view of the refrigerator of the embodiment.
【００５３】図３、図４において、４７は真空断熱材で
あり、アルミ箔とプラスチックフィルムを積層させた外
袋４７ａ内にコア材４７ｂが挿入され熱融着によって密
着シールされて構成されている。４８は真空断熱材４７
に開けられた貫通孔である。In FIGS. 3 and 4, reference numeral 47 denotes a vacuum heat insulating material, which is formed by inserting a core material 47b into an outer bag 47a in which an aluminum foil and a plastic film are laminated, and tightly sealing by heat fusion. . 48 is a vacuum insulation material 47
It is a through-hole opened in.
【００５４】また、図４のように内箱４９の背面には、
第１の空気抜き孔５０が所定の位置に備えられている。
貫通孔４８の直径は、第１の空気抜き孔５０の直径と同
等かそれ以上の寸法で形成されており、実際に貫通孔４
８の直径寸法は５〜１５ｍｍとしている。As shown in FIG. 4, on the back of the inner box 49,
A first air vent hole 50 is provided at a predetermined position.
The diameter of the through hole 48 is formed to be equal to or larger than the diameter of the first air vent hole 50.
8 has a diameter of 5 to 15 mm.
【００５５】以上のように構成された冷蔵庫について、
以下その動作を説明する。With respect to the refrigerator configured as described above,
The operation will be described below.
【００５６】真空断熱材４７を内箱４９と外箱５１との
間で、第１の空気抜き孔５０と貫通孔４８が連通するよ
うに接触され、この際固定するために貫通孔４８の周囲
には接着剤５２が塗布され内箱４９と固定される。The vacuum heat insulating material 47 is brought into contact between the inner case 49 and the outer case 51 so that the first air vent hole 50 and the through hole 48 communicate with each other. Is applied with an adhesive 52 and fixed to the inner box 49.
【００５７】そして、発泡断熱材３３を注入したとき、
内箱４９と外箱５１間にある空気を貫通孔４８から第１
の空気抜け孔５０を通して内箱３２内へ抜くことができ
る。したがって、真空断熱材４７と内箱４９との間の空
気は完全に放出され、空気溜まりがなくなり、又、真空
断熱材４７と内箱４９とが密着される。Then, when the foam insulation material 33 is injected,
The air between the inner box 49 and the outer box 51 is passed through the through hole 48 to the first position.
Can be pulled out into the inner box 32 through the air vent hole 50. Therefore, the air between the vacuum heat insulating material 47 and the inner box 49 is completely discharged, and the air pool is eliminated, and the vacuum heat insulating material 47 and the inner box 49 are in close contact with each other.
【００５８】また図４のように、外箱５１には第２の空
気抜け孔５３が備えられ、第２の空気抜け孔５３に連通
するように貫通孔５４を有する真空断熱材５５を接触固
定させる。このとき貫通孔５４の周囲には接着剤５２が
塗布され外箱５１と固定される。As shown in FIG. 4, the outer case 51 is provided with a second air vent hole 53, and a vacuum heat insulating material 55 having a through hole 54 so as to communicate with the second air vent hole 53 is contact-fixed. Let it. At this time, an adhesive 52 is applied around the through hole 54 and fixed to the outer case 51.
【００５９】このように構成された冷蔵庫について、以
下その動作を説明する。The operation of the refrigerator configured as described above will be described below.
【００６０】まず、真空断熱材５５に設けられた貫通孔
５４と外箱５１に設けられた第２の空気抜け孔５３を連
通するように真空断熱材５５を配置することで、発泡断
熱材３３を注入したときの空気を貫通孔５４から第２の
空気抜け孔５３を通して外箱５１外へ抜くことができ
る。したがって、真空断熱材５５と外箱５１の間の空気
は完全に外部に放出され、空気溜まりがなくなる。First, the vacuum heat insulating material 55 is arranged so that the through hole 54 provided in the vacuum heat insulating material 55 and the second air vent hole 53 provided in the outer case 51 communicate with each other. Can be removed from the outer case 51 through the through hole 54 through the second air vent hole 53. Therefore, the air between the vacuum heat insulating material 55 and the outer box 51 is completely discharged to the outside, and the air pool is eliminated.
【００６１】（実施の形態４）図５は、実施の形態４の
冷蔵庫の中央断面図である。(Fourth Embodiment) FIG. 5 is a central sectional view of a refrigerator according to a fourth embodiment.
【００６２】図５において、５６は真空断熱材４７の貫
通孔４８の外周に巻いた連通フォームである。貫通孔４
８はこの連通フォーム５６を介して内箱４９に設けられ
た第１の空気抜け孔５０に連通している。In FIG. 5, reference numeral 56 denotes a communication foam wound around the outer periphery of the through hole 48 of the vacuum heat insulating material 47. Through hole 4
8 communicates with the first air vent 50 provided in the inner box 49 via the communication form 56.
【００６３】そして発泡断熱材３３を注入したときに、
外箱５１と内箱４９の間に断熱材３３が充填され、さら
に連通フォーム５６によって真空断熱材４７は内箱の壁
面からわずかに空間を作っているので、その空間にも断
熱材３３が充填される。このとき連通フォーム５６によ
って、内箱４９と真空断熱４７との間隔を実施の形態１
の凸部３４と同じ約５ｍｍとすることで断熱材３３の流
動性を損なうことなく流すことができる。When the foam insulation 33 is injected,
The heat insulating material 33 is filled between the outer case 51 and the inner case 49, and the vacuum heat insulating material 47 makes a slight space from the wall surface of the inner case by the communication form 56, so that the space is also filled with the heat insulating material 33. Is done. At this time, the space between the inner box 49 and the vacuum insulation 47 is set by the communication form 56 in the first embodiment.
By setting it to be about 5 mm, which is the same as that of the convex portion 34, the heat insulating material 33 can be flowed without impairing its fluidity.
【００６４】また、外箱５１にこのような真空断熱材５
５を連通フォーム５６を介して第２の空気抜き孔５３と
貫通孔５４を連通させることで内箱に備えた時と同様に
外箱の変形防止が実現できる。Further, such a vacuum heat insulating material 5
By connecting the second air vent hole 5 to the second air vent hole 53 and the through hole 54 via the communication form 56, the deformation of the outer case can be prevented as in the case where the inner case is provided.
【００６５】（実施の形態５）図６は、本発明による冷
蔵庫の実施の形態の縦断面図である。図７は、同実施形
態の冷蔵庫の機械室カバ−を外した背面下部の詳細図で
ある。図８は、図７のＡ−Ａ線断面図である。図９は本
実施形態の冷蔵庫に貼り付けた真空断熱材の斜視図であ
る。図１０は図９の真空断熱材の折り曲げ状態を示す斜
視図である。(Embodiment 5) FIG. 6 is a longitudinal sectional view of an embodiment of a refrigerator according to the present invention. FIG. 7 is a detailed view of the lower rear portion of the refrigerator of the embodiment with the machine room cover removed. FIG. 8 is a sectional view taken along line AA of FIG. FIG. 9 is a perspective view of the vacuum heat insulating material attached to the refrigerator of the present embodiment. FIG. 10 is a perspective view showing a bent state of the vacuum heat insulating material of FIG.
【００６６】図６、図７、図８において、５７は冷蔵庫
本体であり、外箱５８と、内箱５９間に発泡ポリウレタ
ン断熱材６０を充填して成る断熱箱体６１により形成さ
れており、この断熱箱体６１の庫内は、中央部に設けら
れた仕切板６２によって上下に区分けされ、仕切板６２
の上方を冷蔵室６４としている。In FIGS. 6, 7 and 8, reference numeral 57 denotes a refrigerator main body, which is formed by an outer box 58 and a heat insulating box 61 formed by filling a foamed polyurethane heat insulating material 60 between the inner box 59. The interior of the heat-insulating box 61 is vertically divided by a partition plate 62 provided at a central portion.
The upper part is a refrigerator compartment 64.
【００６７】仕切板６２の下方は更に発泡ウレタン断熱
材６０を充填できるように構成された仕切壁６３にて上
下に区画され、上部を冷蔵室６４、この仕切壁６３と仕
切り板６２の間を野菜室６５とし、仕切壁６３の下方、
即ち、庫内最下部を冷凍室６６としている。断熱箱体６
１の底壁６１Ａは後部が階段状に立ち上がる形状とされ
ており、この底壁６１Ａの後部外側には機械室６７が形
成され、圧縮機６８を設置し、機械室カバー６９で覆わ
れている。The lower part of the partition plate 62 is vertically divided by a partition wall 63 configured so as to be filled with the urethane foam insulation material 60. The upper part is a refrigerator compartment 64, and the space between the partition wall 63 and the partition plate 62 is formed. Vegetable room 65, below partition wall 63,
That is, the freezer compartment 66 is formed at the lowermost part of the refrigerator. Insulated box 6
The bottom wall 61A has a rear portion that rises in a stepped manner, and a machine room 67 is formed outside the rear portion of the bottom wall 61A. A compressor 68 is installed and covered with a machine room cover 69. .
【００６８】また、冷凍室６６の底部も後部が立ち上が
る形状とされ、そのため、冷凍室６６の引出し容器７０
の後面は上方の収納容器７１の後面よりも前方に位置す
るかたちとなる。Also, the bottom of the freezing compartment 66 is shaped so that the rear part rises up.
Is located forward of the rear surface of the upper storage container 71.
【００６９】一方、圧縮機６８の近傍と底板５８Ａを形
成する外箱５８の内表面には真空断熱材７２が貼付けら
れ、断熱材６０内に埋設されている。On the other hand, a vacuum heat insulating material 72 is attached to the vicinity of the compressor 68 and to the inner surface of the outer box 58 forming the bottom plate 58A, and is buried in the heat insulating material 60.
【００７０】図９、図１０において、真空断熱材７２
は、例えば内側からポリエチレン若しくはポリプロピレ
ンなどから成る熱溶着層とアルミニウム層及び表面保護
層をラミネートしたガスバリアフィルムを折り返し、二
辺を密着させて熱溶着層を相互に溶着する事により袋状
とし、その状態でグラスファイバ、或いは、連続気泡の
発泡ポリウレタン断熱材から成る正方形或いは長方形で
板状のコア材を挿入し、所定の真空排気装置内において
袋内部のガスを排気して真空状態とした後、残りの一辺
の前記熱溶着層を相互に溶着させて密封する事により製
造される。In FIGS. 9 and 10, the vacuum heat insulating material 72 is used.
For example, a gas barrier film laminated with a heat-welding layer made of polyethylene or polypropylene and an aluminum layer and a surface protection layer is folded from the inside, and the two sides are brought into close contact with each other to form a bag by welding the heat-welding layers to each other. In the state, a glass fiber, or a square or rectangular plate-shaped core material made of open-cell foamed polyurethane insulation is inserted, and the inside of the bag is evacuated and evacuated in a predetermined evacuating device, and then evacuated. It is manufactured by mutually welding and sealing the heat-welded layers on the other side.
【００７１】その後、真空断熱材７２に線状の圧縮部７
３を設け、前記圧縮部７３を折り曲げることにより外箱
５８の形状に貼り付けやすい真空断熱材７２を提供する
ことができる。After that, the linear compression part 7 is
3 and bending the compression portion 73 can provide a vacuum heat insulating material 72 that can be easily attached to the shape of the outer box 58.
【００７２】以上のように構成された真空断熱材を備え
た断熱箱体から成る冷蔵庫について、以下その動作を説
明する。The operation of the refrigerator comprising the heat insulating box provided with the vacuum heat insulating material constructed as described above will be described below.
【００７３】圧縮機６８の近傍に位置する真空断熱材７
２は図６、図７、図８に示す如く、底板５８Ａの形状に
近似して、圧縮機６８の前方と上方を覆うように折り曲
がって存在しているため、圧縮機６８で発生した熱に対
して、その断熱性能効果を有効に利用でき、消費電力の
削減を図ることができる。The vacuum heat insulating material 7 located near the compressor 68
As shown in FIG. 6, FIG. 7, and FIG. 8, the heat generated by the compressor 68 is similar to the shape of the bottom plate 58A and is bent so as to cover the front and upper sides of the compressor 68. In contrast, the heat insulation performance effect can be effectively used, and power consumption can be reduced.
【００７４】また、底壁６１Ａの厚みを減らすことも可
能となるため、引出し容器７０の奥行７０Ａを増やすこ
とができ、有効容積の拡大も図れる。Further, since the thickness of the bottom wall 61A can be reduced, the depth 70A of the drawer container 70 can be increased, and the effective volume can be increased.
【００７５】一方、真空断熱材７２は両側或いは、片側
に圧縮部７３を有してもよく、これによって前記圧縮部
７３で容易に曲げることができ、密封された袋状の熱溶
着層が引っ張れて破れることはない。On the other hand, the vacuum heat insulating material 72 may have a compression portion 73 on both sides or one side, so that it can be easily bent by the compression portion 73, and the sealed bag-shaped heat welding layer is pulled. Never break.
【００７６】したがって、正方形或いは、長方形で板状
の汎用の真空断熱材を真空状態に保ったまま、複雑な外
板５８Ａの形状に近似させることが可能となり、容易に
貼り付けることができる。Therefore, it is possible to approximate the complicated shape of the outer plate 58A while keeping the general-purpose vacuum heat insulating material of a square or rectangular plate shape in a vacuum state, and it is possible to easily attach the outer plate 58A.
【００７７】[0077]
【発明の効果】以上説明したように請求項１に記載の発
明では内箱の変形を防止することができる。As described above, according to the first aspect of the present invention, deformation of the inner box can be prevented.
【００７８】また、請求項２に記載の発明では、外箱の
変形を防止することができる。According to the second aspect of the present invention, the deformation of the outer box can be prevented.
【００７９】また、請求項３に記載の発明は、内箱と一
体成形した凸部は庫内部品に覆われているため美観上損
なわれないという利点もある。The third aspect of the present invention also has the advantage that the projection integrally formed with the inner box is covered with the internal components and thus is not spoiled in appearance.
【００８０】また、請求項４に記載の発明は、外観上見
えにくい外箱の部分に凸部を設けているので美観上損な
われないといった利点もある。Further, the invention according to claim 4 has an advantage that the projection is provided on a part of the outer box which is hardly visible in appearance, so that the appearance is not impaired.
【００８１】また、請求項５に記載の発明は、真空断熱
材と相対する箇所に凸部複数個設けたので、真空断熱材
の載置に対して安定性を確保することができる。According to the fifth aspect of the present invention, since a plurality of projections are provided at locations opposed to the vacuum heat insulating material, stability can be ensured with respect to the placement of the vacuum heat insulating material.
【００８２】また、請求項６に記載の発明は、発泡断熱
材の流動性を確保することができ、断熱性の向上を図る
ことができ、容積効率をアップすることができる。According to the sixth aspect of the present invention, the fluidity of the foamed heat insulating material can be ensured, the heat insulating property can be improved, and the volume efficiency can be improved.
【００８３】また、請求項７に記載の発明は、接着面に
発泡断熱材が回りこまないようにすることで、内箱また
は外箱の変形を防止できる。According to the seventh aspect of the present invention, deformation of the inner box or the outer box can be prevented by preventing the foamed heat insulating material from flowing around the bonding surface.
【００８４】また、請求項８に記載の発明は、空気溜ま
りをなくすことができ、内箱の変形を防止することがで
きる。Further, according to the invention described in claim 8, air pockets can be eliminated, and deformation of the inner box can be prevented.
【００８５】また、請求項９に記載の発明は、空気溜ま
りをなくすことができ、外箱の変形を防止することがで
きる。Further, according to the ninth aspect of the present invention, the air pocket can be eliminated, and the deformation of the outer box can be prevented.
【００８６】また、請求項１０に記載の発明は、接着面
に発泡断熱材が回りこまないようにしたことで、内箱ま
たは外箱の変形を防止できる。According to the tenth aspect of the present invention, deformation of the inner box or the outer box can be prevented by preventing the foamed heat insulating material from flowing around the bonding surface.
【００８７】また、請求項１１に記載の発明は、真空断
熱材周辺に発泡断熱材を流し込み強度を確保することが
でき、変形を防止することができる。According to the eleventh aspect of the present invention, the foamed heat insulating material can be poured around the vacuum heat insulating material, the strength can be ensured, and the deformation can be prevented.
【００８８】また、請求項１２に記載の発明は、断熱性
を高め容積効率を高める事ができ、作業性もよいまた、
請求項１３に記載の発明は消費電力量を低減することが
できる。According to the twelfth aspect of the present invention, it is possible to enhance the heat insulation and the volume efficiency, and to improve the workability.
The invention according to claim 13 can reduce power consumption.
【００８９】また、請求項１４に記載の発明はさらに作
業バラツキを無くし、品質を高めることができる。Further, the invention according to claim 14 can further eliminate work variations and improve quality.
【図１】本発明の実施の形態１の冷蔵庫の中央断面図FIG. 1 is a central sectional view of a refrigerator according to a first embodiment of the present invention.
【図２】本発明の実施の形態２の冷蔵庫の正面断面図FIG. 2 is a front sectional view of a refrigerator according to a second embodiment of the present invention.
【図３】本発明の実施の形態３による真空断熱材の斜視
図FIG. 3 is a perspective view of a vacuum heat insulating material according to a third embodiment of the present invention.
【図４】同実施の形態の冷蔵庫の縦断面図FIG. 4 is a longitudinal sectional view of the refrigerator according to the embodiment.
【図５】実施の形態４の冷蔵庫の中央断面図FIG. 5 is a central sectional view of the refrigerator according to the fourth embodiment.
【図６】本発明による冷蔵庫の実施の形態５の縦断面図FIG. 6 is a longitudinal sectional view of Embodiment 5 of the refrigerator according to the present invention.
【図７】同実施形態の冷蔵庫の機械室カバ−を外した背
面下部の詳細図FIG. 7 is a detailed view of a lower rear portion of the refrigerator according to the embodiment with a machine room cover removed.
【図８】図７のＡ−Ａ線断面図8 is a sectional view taken along line AA of FIG. 7;
【図９】同実施形態の冷蔵庫に貼り付けた真空断熱材の
斜視図FIG. 9 is a perspective view of a vacuum heat insulating material attached to the refrigerator of the embodiment.
【図１０】図９の真空断熱材の折り曲げ状態を示す斜視
図FIG. 10 is a perspective view showing a bent state of the vacuum heat insulating material of FIG. 9;
【図１１】従来の冷蔵庫の中央断面図FIG. 11 is a central sectional view of a conventional refrigerator.
【図１２】従来の冷蔵庫の中央断面図FIG. 12 is a central sectional view of a conventional refrigerator.
【図１３】従来の冷蔵庫の正面図FIG. 13 is a front view of a conventional refrigerator.
３０ 外箱 ３１ 内箱 ３３ 発泡断熱材 ３４ 凸部 ３５ 真空断熱材 ４７ 真空断熱材 ４８ 貫通孔 ５０ 第１の空気抜け孔 ５１ 外箱 ５２ 接着剤 ５３ 第２の空気抜け孔 ５４ 貫通孔 ５５ 真空断熱材 ５６ 連通フォーム ５７ 冷蔵庫本体 ６８ 圧縮機 ７２ 真空断熱材 ７３ 圧縮部 REFERENCE SIGNS LIST 30 outer case 31 inner case 33 foam heat insulating material 34 convex portion 35 vacuum heat insulating material 47 vacuum heat insulating material 48 through hole 50 first air vent hole 51 outer case 52 adhesive 53 second air vent hole 54 through hole 55 vacuum heat insulating Material 56 Communication Form 57 Refrigerator Body 68 Compressor 72 Vacuum Insulation Material 73 Compressor
───────────────────────────────────────────────────── フロントページの続き (72)発明者 山内 太嘉志 大阪府東大阪市高井田本通４丁目２番５号 松下冷機株式会社内 (72)発明者 黒島 厚 大阪府東大阪市高井田本通４丁目２番５号 松下冷機株式会社内 (72)発明者 宅島 司 大阪府東大阪市高井田本通４丁目２番５号 松下冷機株式会社内 Ｆターム(参考） 3L102 JA01 LB02 LB09 LB10 MA01 MA02 MA07 MB06 MB22 MB27 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Takashi Yamauchi 4-5-2-5 Takaida Hondori, Higashi Osaka City, Osaka Prefecture Inside Matsushita Refrigerating Machinery Co., Ltd. (72) Atsushi Kuroshima 4 Takaida Motodori Higashi Osaka City, Osaka Prefecture No. 2-5 Matsushita Refrigeration Co., Ltd. (72) Inventor Tsukasa Takushima 4-5-2-5 Takaida Hondori, Higashiosaka-shi, Osaka Matsushita Refrigeration Co., Ltd. F-term (reference) 3L102 JA01 LB02 LB09 LB10 MA01 MA02 MA07 MB06 MB22 MB27
Claims (14)
断熱材と前記真空断熱材の周囲隙間に、ウレタン原液を
注入・発泡した発泡断熱材を充填した冷蔵庫において、
前記内箱は前記外箱に向かって一体成形された凸部を形
成し、前記真空断熱材は前記凸部に接触させたことを特
徴とする冷蔵庫。1. A refrigerator in which an outer box, a vacuum insulating material provided in an inner space of an inner box, and a foam insulating material filled with a urethane stock solution injected and foamed in a peripheral gap between the vacuum insulating materials,
The refrigerator wherein the inner box forms a projection integrally formed toward the outer box, and the vacuum heat insulating material is brought into contact with the projection.
断熱材と前記真空断熱材の周囲隙間に、ウレタン原液を
注入・発泡した発泡断熱材を充填した冷蔵庫において、
前記外箱は前記内箱に向かって一体成形された凸部を形
成し、前記真空断熱材は前記凸部に接触させたことを特
徴とする冷蔵庫。2. A refrigerator in which an outer box, a vacuum heat insulating material provided in an inner space of the inner box, and a foam insulating material in which a urethane stock solution is injected and foamed are filled in a gap around the vacuum heat insulating material.
The refrigerator wherein the outer box forms a projection integrally formed toward the inner box, and the vacuum heat insulating material is brought into contact with the projection.
部と、庫内部品が内箱内壁に備えられた凹部と係合する
冷蔵庫において、前記凸部に接触させて真空断熱材を備
え、前記凸部と前記凹部とが背中合わせに形成されてい
ることを特徴とする冷蔵庫。3. A refrigerator in which a convex portion formed on the inner wall of the inner box toward the outer box and a refrigerator in which the internal components engage with the concave portion provided on the inner wall of the inner box, the vacuum heat insulating material is brought into contact with the convex portion. Wherein the convex portion and the concave portion are formed back to back.
形した凸部を備えた請求項２に記載の冷蔵庫。4. The refrigerator according to claim 2, further comprising a projection integrally formed with the outer box on an outer box portion that is invisible in appearance.
たことを特徴とする請求項１から請求項４のいずれか一
項に記載の冷蔵庫。5. The refrigerator according to claim 1, further comprising a plurality of convex portions that come into contact with the vacuum heat insulating material.
たことを特徴とする請求項１または請求項２に記載の冷
蔵庫。6. The refrigerator according to claim 1, wherein the height of the projection is 5 mm or more from the reference plane.
接着剤にて固定することを特徴とする請求項１または請
求項２に記載の冷蔵庫。7. The refrigerator according to claim 1, wherein the projection and the vacuum heat insulating material are fixed to each other with a thermosetting adhesive.
前記内箱に接触して備えられる真空断熱材と前記真空断
熱材の周囲隙間に、ウレタン原液を注入・発泡した発泡
断熱材を充填した冷蔵庫において、前記真空断熱材は前
記内箱に備えられた空気抜け孔に連通する貫通孔を有
し、前記空気抜け孔は前記貫通孔の孔より小さいことを
特徴とする冷蔵庫。8. A foam insulation in which a urethane stock solution is injected and foamed into a vacuum heat insulating material provided in contact with the inner box in an inner space formed by the outer box and the inner box, and a gap between the vacuum heat insulators. In a refrigerator filled with a material, the vacuum heat insulating material has a through hole communicating with an air vent hole provided in the inner box, and the air vent hole is smaller than the hole of the through hole.
前記外箱に接触して備えられる真空断熱材と前記真空断
熱材の周囲隙間に、ウレタン原液を注入・発泡した発泡
断熱材を充填した冷蔵庫において、前記真空断熱材は前
記外箱に備えられた空気抜け孔に連通する貫通孔を有
し、前記空気抜け孔の径は前記貫通孔の径より小さいこ
とを特徴とする冷蔵庫。9. An outer box, a vacuum heat insulating material provided in contact with the outer box in an inner space formed by the inner box, and a foam insulating material in which a urethane stock solution is injected and foamed into a gap around the vacuum heat insulating material. In a refrigerator filled with a material, the vacuum heat insulating material has a through hole communicating with an air vent provided in the outer box, and a diameter of the air vent is smaller than a diameter of the through hole. refrigerator.
接着材で完全密封した請求項８または請求項９に記載の
冷蔵庫。10. The refrigerator according to claim 8, wherein the bonding surface of the outer peripheral portion of the through hole of the vacuum heat insulating material is completely sealed with an adhesive.
ームにてシールしたことを特徴とした請求項８または請
求項９に記載の冷蔵庫11. The refrigerator according to claim 8, wherein an outer peripheral portion of the through hole of the vacuum heat insulating material is sealed with a communication foam.
圧縮部を折り曲げることにより真空断熱材を圧縮機に対
応した外箱の形状に沿わせて貼り付けたことを特徴とす
る冷蔵庫。12. A refrigerator characterized in that a linear compression section is provided on a vacuum heat insulating material, and the vacuum heat insulating material is adhered along a shape of an outer box corresponding to the compressor by bending the compression section.
内に圧縮機の大部分が収められるように真空断熱材を配
設したことを特徴とする請求項１２に記載の冷蔵庫。13. The refrigerator according to claim 12, wherein the vacuum heat insulating material is disposed so that most of the compressor can be accommodated in a projection plane from above and from the front of the vacuum heat insulating material.
ることを特徴とする請求項１２に記載の冷蔵庫。14. The refrigerator according to claim 12, wherein the compression units are provided on both sides of the vacuum heat insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000337123A JP4238475B2 (en) | 2000-11-06 | 2000-11-06 | refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000337123A JP4238475B2 (en) | 2000-11-06 | 2000-11-06 | refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002147942A true JP2002147942A (en) | 2002-05-22 |
| JP4238475B2 JP4238475B2 (en) | 2009-03-18 |
Family
ID=18812563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000337123A Expired - Fee Related JP4238475B2 (en) | 2000-11-06 | 2000-11-06 | refrigerator |
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| Country | Link |
|---|---|
| JP (1) | JP4238475B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014024601A1 (en) * | 2012-08-08 | 2014-02-13 | 三菱電機株式会社 | Heat insulating box, and refrigerator with heat insulating box |
| CN104114965A (en) * | 2011-12-06 | 2014-10-22 | 株式会社东芝 | Refrigerator |
| JP2015227762A (en) * | 2014-06-02 | 2015-12-17 | 株式会社東芝 | refrigerator |
| JP2016075406A (en) * | 2014-10-03 | 2016-05-12 | 日立アプライアンス株式会社 | refrigerator |
| JP2016075393A (en) * | 2014-10-02 | 2016-05-12 | 日立アプライアンス株式会社 | refrigerator |
| JP2019039665A (en) * | 2018-10-30 | 2019-03-14 | 東芝ライフスタイル株式会社 | refrigerator |
| WO2020179233A1 (en) * | 2019-03-06 | 2020-09-10 | 東芝ライフスタイル株式会社 | Refrigerator |
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| JPH10205992A (en) * | 1997-01-22 | 1998-08-04 | Sanyo Electric Co Ltd | Thermal insulation box of cooling refrigerator |
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| JPH10253243A (en) * | 1997-03-17 | 1998-09-25 | Sanyo Electric Co Ltd | Refrigerator |
| JPH11304082A (en) * | 1998-04-23 | 1999-11-05 | Mitsubishi Electric Corp | Heat insulating box and its manufacture |
| JP2000105069A (en) * | 1998-09-29 | 2000-04-11 | Mitsubishi Electric Corp | Heat insulator |
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| JPS62201387U (en) * | 1986-06-13 | 1987-12-22 | ||
| JPH08312880A (en) * | 1995-05-19 | 1996-11-26 | Mitsubishi Chem Corp | Vacuum heat insulating panel and its manufacture |
| JPH10205992A (en) * | 1997-01-22 | 1998-08-04 | Sanyo Electric Co Ltd | Thermal insulation box of cooling refrigerator |
| JPH10253246A (en) * | 1997-03-11 | 1998-09-25 | Sanyo Electric Co Ltd | Heat insulating box and its manufacturing apparatus |
| JPH10253243A (en) * | 1997-03-17 | 1998-09-25 | Sanyo Electric Co Ltd | Refrigerator |
| JPH11304082A (en) * | 1998-04-23 | 1999-11-05 | Mitsubishi Electric Corp | Heat insulating box and its manufacture |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104114965A (en) * | 2011-12-06 | 2014-10-22 | 株式会社东芝 | Refrigerator |
| CN104114965B (en) * | 2011-12-06 | 2016-10-12 | 东芝生活电器株式会社 | Refrigerator |
| WO2014024601A1 (en) * | 2012-08-08 | 2014-02-13 | 三菱電機株式会社 | Heat insulating box, and refrigerator with heat insulating box |
| JP2014035124A (en) * | 2012-08-08 | 2014-02-24 | Mitsubishi Electric Corp | Heat insulation box and refrigerator mounting the same |
| AU2013300887B2 (en) * | 2012-08-08 | 2016-02-25 | Mitsubishi Electric Corporation | Heat-insulating cabinet and refrigerator including the heat-insulating cabinet |
| JP2015227762A (en) * | 2014-06-02 | 2015-12-17 | 株式会社東芝 | refrigerator |
| JP2016075393A (en) * | 2014-10-02 | 2016-05-12 | 日立アプライアンス株式会社 | refrigerator |
| JP2016075406A (en) * | 2014-10-03 | 2016-05-12 | 日立アプライアンス株式会社 | refrigerator |
| JP2019039665A (en) * | 2018-10-30 | 2019-03-14 | 東芝ライフスタイル株式会社 | refrigerator |
| WO2020179233A1 (en) * | 2019-03-06 | 2020-09-10 | 東芝ライフスタイル株式会社 | Refrigerator |
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|---|---|
| JP4238475B2 (en) | 2009-03-18 |
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