JP2014037931A - Refrigerator - Google Patents

Refrigerator Download PDF

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Publication number
JP2014037931A
JP2014037931A JP2012181346A JP2012181346A JP2014037931A JP 2014037931 A JP2014037931 A JP 2014037931A JP 2012181346 A JP2012181346 A JP 2012181346A JP 2012181346 A JP2012181346 A JP 2012181346A JP 2014037931 A JP2014037931 A JP 2014037931A
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door
heat insulating
insulating material
refrigerator
vacuum heat
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JP6178055B2 (en
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Katsushi Sumihiro
勝志 住廣
Komi Abe
候巳 阿部
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Toshiba Corp
Toshiba Lifestyle Products and Services Corp
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Toshiba Corp
Toshiba Consumer Electronics Holdings Corp
Toshiba Home Appliances Corp
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Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator in which an operation part is provided at a portion other than a front plate of a door and thereby makes a full part of a vacuum heat insulation material usable and improves thermal insulation performance while reducing a thickness of the door.SOLUTION: A vacuum heat insulation material 27 is disposed so as to contact with the rear side of a front plate 25 forming a door 5, and an operation part 9 which operates and displays the operation state of a refrigerator is provided at a handle 7 that is a constitution part different from the front plate 25 of the door 5.

Description

本発明は、冷蔵庫に関する。   The present invention relates to a refrigerator.

冷蔵庫は、断熱性能を向上するために、外壁部および扉等の内部に真空断熱材を設けるとともに、この真空断熱材を設けた隙間に発泡断熱材である発泡ウレタンを充填して、断熱性能の向上を図っているが、例えば冷蔵庫の扉においては、扉の表面積に比較して真空断熱材の表面積の割合が少ないとともに、この真空断熱材のない部分には発泡ウレタンを厚く設けて、断熱性能の向上を図っている。しかしながら、発泡ウレタンを厚く設けることにより、発泡ウレタンの厚さの分だけ、扉が厚くなって、冷蔵庫の内部の奥行きが小さくなり、冷蔵庫の内容積が小さくなっている。   In order to improve the heat insulation performance, the refrigerator is provided with a vacuum heat insulating material inside the outer wall portion and the door, etc., and the foamed heat insulating material is filled with urethane foam in the gap provided with the vacuum heat insulating material. For example, in refrigerator doors, the proportion of the surface area of the vacuum insulation material is small compared to the surface area of the door. We are trying to improve. However, by providing thick urethane foam, the door becomes thick by the thickness of the urethane foam, the depth inside the refrigerator is reduced, and the internal volume of the refrigerator is reduced.

一方、冷蔵庫の扉の表面には、冷蔵庫の動作状態を制御したり、表示するための例えば操作ボタンや表示器などからなる操作部を設けているが、この操作部を設けるために扉の表面の一部を凹ませたり、孔をあけるなどしている。従って、この凹ませられたり、孔をあけられた扉の裏側には、真空断熱材を設けることができないため、発泡ウレタンを厚く充填している。このため、扉は更に厚くなり、上述したように発泡ウレタンの厚さの分だけ、冷蔵庫の内部の奥行きが小さくなり、冷蔵庫の内容積が小さくなっている。   On the other hand, on the surface of the refrigerator door, there is provided an operation unit composed of, for example, an operation button or a display for controlling or displaying the operation state of the refrigerator. A part of this is recessed or a hole is made. Therefore, since the vacuum heat insulating material cannot be provided on the back side of the recessed or perforated door, the foamed urethane is filled thickly. For this reason, the door is further thickened, and the depth inside the refrigerator is reduced by the thickness of the urethane foam as described above, and the internal volume of the refrigerator is reduced.

従って、扉に操作部を設けても、扉を薄くでき、断熱性能が低下しない冷蔵庫を要望されている。   Therefore, there is a demand for a refrigerator in which the door can be made thin and the heat insulation performance does not deteriorate even if the operation portion is provided on the door.

特開２００４−３４７２１６号公報JP 2004-347216 A

本発明は、上記に鑑みてなされたもので、その目的とするところは、操作部を扉の前板以外の部分に設けることで、真空断熱材を全面的に使用可能にして扉を薄くしながらも断熱性能を向上し得る冷蔵庫を提供することにある。   The present invention has been made in view of the above, and an object of the present invention is to provide an operation portion on a portion other than the front plate of the door so that the vacuum heat insulating material can be used entirely and the door is thinned. However, it is providing the refrigerator which can improve heat insulation performance.

実施形態の冷蔵庫は、扉を構成する前板の裏側に当接して真空断熱材を配設し、この扉の前板と異なる構成部に、冷蔵庫の動作状態の操作または表示の少なくともいずれかを行う機能手段を設ける。   In the refrigerator of the embodiment, a vacuum heat insulating material is disposed in contact with the back side of the front plate constituting the door, and at least one of operation or display of the operation state of the refrigerator is provided on a component different from the front plate of the door. Provide functional means to perform.

本発明の第１の実施形態に係わる冷蔵庫の全体構成を示す斜視図である。It is a perspective view showing the whole refrigerator composition concerning a 1st embodiment of the present invention. 図１に示した冷蔵庫の冷蔵室の扉のみを示す正面図である。It is a front view which shows only the door of the refrigerator compartment of the refrigerator shown in FIG. 図２に示した扉の分解斜視図である。FIG. 3 is an exploded perspective view of the door shown in FIG. 2. 図２に示した扉において線ａ―ａに沿って切断した扉の左端部寄りの部分のみを拡大して示す断面図である。FIG. 3 is an enlarged cross-sectional view showing only a portion near the left end of the door cut along line aa in the door shown in FIG. 2. 図２の線ｂ−ｂに沿って切断して、ハンドルを面材に取り付ける皿ねじの状態を示す断面図である。It is sectional drawing which shows the state of the countersunk screw which cut | disconnects along line bb of FIG. 2, and attaches a handle | steering-material to a face material. 本発明の第２の実施形態に係わる冷蔵庫に適用される扉の左端の断面を示す断面図である。It is sectional drawing which shows the cross section of the left end of the door applied to the refrigerator concerning the 2nd Embodiment of this invention. 本発明の第３の実施形態に係わる冷蔵庫の全体を示す斜視図である。It is a perspective view which shows the whole refrigerator concerning the 3rd Embodiment of this invention. 図７に示した冷蔵庫の冷蔵室の扉のみを示す正面図である。It is a front view which shows only the door of the refrigerator compartment of the refrigerator shown in FIG. 図８に示した扉をヒンジ部と反対の左側の自由端部の方から扉の裏面を若干見せて示す斜視図である。FIG. 9 is a perspective view showing the door shown in FIG. 8 slightly showing the back surface of the door from the left free end opposite to the hinge portion. 図７乃至９に示した扉の下部の操作部のあるほぼ中央部分を垂直に切断した断面図である。FIG. 10 is a cross-sectional view in which a substantially central portion having an operation portion at a lower portion of the door shown in FIGS. 7 to 9 is cut vertically.

以下、図面を用いて、本発明を実施するための形態(以下、実施形態と称する)を説明する。   DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention (hereinafter referred to as embodiments) will be described with reference to the drawings.

図１は、本発明の第１の実施形態に係わる冷蔵庫の全体構成を示す斜視図である。同図に示す冷蔵庫１は、最上部に冷蔵室３が設けられ、この冷蔵室３は右端部に図示しないヒンジが取り付けられ、この右端を軸として開閉する片開き式の扉５が取り付けられている。この冷蔵室３の扉５のヒンジ側とは反対の左側の自由端部の表面には、取っ手であるハンドル７が取り付けられ、このハンドル７には、冷蔵庫１の各部の動作状態を制御したり、表示するための例えば操作ボタンや表示器などからなる機能手段でもある操作部９が設けられている。この機能手段は、動作状態等を表示する表示部と、この表示を制御する制御部、そして動作状態を制御するための操作ボタン部と、この操作ボタン部での操作を処理し、制御する制御部からなるが、これらは一体であっても、後述するように個々に別体であっても、機能の一部のみを一体に設けていても構わない。   FIG. 1 is a perspective view showing the overall configuration of the refrigerator according to the first embodiment of the present invention. The refrigerator 1 shown in the figure is provided with a refrigerator compartment 3 at the top, and the refrigerator compartment 3 is provided with a hinge (not shown) at the right end and a single-open door 5 that opens and closes around the right end. Yes. A handle 7 as a handle is attached to the surface of the free end portion on the left side opposite to the hinge side of the door 5 of the refrigerator compartment 3, and the operating state of each part of the refrigerator 1 is controlled on the handle 7. In addition, an operation unit 9 is also provided which is also a functional means including, for example, operation buttons and a display for displaying. The functional means includes a display unit for displaying an operation state, a control unit for controlling the display, an operation button unit for controlling the operation state, and a control for processing and controlling an operation on the operation button unit. Although these are composed of parts, they may be integrated, or may be separately provided as described later, or only a part of the functions may be provided integrally.

なお、冷蔵庫１は、冷蔵室３の下側に野菜室１１が設けられ、この野菜室１１の真下に製氷室１３と冷蔵から冷凍までの任意の冷却状態に可変し得る切替室とも称する上部冷凍室１５が横に並んで設けられ、これら製氷室１３と上部冷凍室１５の直下の最下部には冷凍室１７が設けられている。   The refrigerator 1 is provided with a vegetable compartment 11 below the refrigerator compartment 3, and an ice making chamber 13 directly below the vegetable compartment 11 and an upper freezer called a switching chamber that can be changed to any cooling state from refrigeration to freezing. Chambers 15 are provided side by side, and a freezing chamber 17 is provided at the lowermost portion immediately below the ice making chamber 13 and the upper freezing chamber 15.

図２は、図１に示した冷蔵庫１の冷蔵室３の扉５のみを示す正面図である。図２に示すように、扉５の左端の自由端部寄りには、ハンドル７が取り付けられ、このハンドル７に操作部９が設けられているが、更に扉５の上下両端には、扉上キャップ２１および扉下キャップ２３が取り付けられている。   FIG. 2 is a front view showing only the door 5 of the refrigerator compartment 3 of the refrigerator 1 shown in FIG. As shown in FIG. 2, a handle 7 is attached to the left end of the door 5 near the free end, and an operation unit 9 is provided on the handle 7. A cap 21 and a door lower cap 23 are attached.

図３は、図２に示した扉５の分解斜視図である。図３に示すように、扉５は、その前側を全体的に覆う前板である面材２５を有し、この面材２５の左右両側部は、扉５内に実装される各部材を両側から囲んで固定するように後方に折り曲がってから、更に内側に少し折曲している。そして、この面材２５の上下両端には、前記扉上キャップ２１および扉下キャップ２３が嵌合するようになっている。   FIG. 3 is an exploded perspective view of the door 5 shown in FIG. As shown in FIG. 3, the door 5 has a face member 25 that is a front plate that covers the entire front side of the door 5. It is bent backwards so that it is surrounded and fixed, and then bent slightly further inside. The upper door cap 21 and the lower door cap 23 are fitted to upper and lower ends of the face member 25.

なお、操作部９の設けられたハンドル７の上下両端は、４本の皿ねじ１９で面材２５に固定されているが、この皿ねじ１９によるハンドル７の面材２５への固定は、詳しくは、図５に断面を示すように、皿ねじ１９の頭部が前記面材２５よりも突出しないように面材２５に円錐状の孔を形成し、この円錐状の孔内に皿ねじ１９の頭部が入って面材２５よりも突出しないようにしている。これは、後述するように、面材２５の裏側に真空断熱材を接着剤で貼り付けた時に皿ねじ１９の頭部で真空断熱材に傷がつくことを防止するためである。なお、図５は、図２の線ｂ−ｂに沿った断面である。   The upper and lower ends of the handle 7 provided with the operation unit 9 are fixed to the face material 25 with four countersunk screws 19. The fixing of the handle 7 to the face material 25 with the countersunk screws 19 is detailed. 5, a conical hole is formed in the face material 25 so that the head of the countersunk screw 19 does not protrude from the face material 25, and the countersunk screw 19 is formed in the conical hole. The head is inserted so that it does not protrude beyond the face material 25. This is to prevent the vacuum heat insulating material from being damaged at the head of the flat head screw 19 when the vacuum heat insulating material is attached to the back side of the face material 25 with an adhesive, as will be described later. 5 is a cross section taken along line bb in FIG.

図３に戻って、前記面材２５の後方には、矩形の真空断熱材２７が設けられ、この真空断熱材２７が接着剤で面材２５の裏面に貼り付けられるようになっている。なお、この真空断熱材２７の周囲には、真空断熱材と異なる断熱材であって、真空断熱材よりも断熱性能が低いが配設する場所の形状に合わせて成形しやすい別の例えば発泡スチロール（ＥＰＳ）などからなる成形品である発泡断熱材２９ａ、２９ｂ、２９ｃ、２９ｄが真空断熱材２７を四方から囲むように近接して設けられている。   Returning to FIG. 3, a rectangular vacuum heat insulating material 27 is provided behind the face material 25, and the vacuum heat insulating material 27 is attached to the back surface of the face material 25 with an adhesive. In addition, around this vacuum heat insulating material 27, another heat insulating material different from the vacuum heat insulating material, which has a heat insulating performance lower than that of the vacuum heat insulating material, but is easy to form according to the shape of the place to be disposed, for example, polystyrene foam ( Foam heat insulating materials 29a, 29b, 29c, and 29d, which are molded articles made of EPS, etc., are provided close to each other so as to surround the vacuum heat insulating material 27 from four directions.

また、真空断熱材２７および発泡断熱材２９ａ、２９ｂ、２９ｃ、２９ｄの後方には、扉５の裏側を全体的に覆う裏板である扉内側部３１が設けられているが、この扉内側部３１の四方の周辺寄りの全周縁部分は、冷蔵室３の内側に向かって断面が細い台形状に突出して、スロート部３３を細長く形成している。また、このスロート部３３の外側は、僅かに外方に延出し、この延出した部分に後方に図示されている矩形の枠状のガスケット３５が装着されるようになっている。詳しくは、前記延出した部分には図示しない凹部が形成され、この凹部にガスケット３５の矢尻状の差込部が差し込まれて、これによりガスケット３５が扉内側部３１に装着されている。   Further, behind the vacuum heat insulating material 27 and the foam heat insulating materials 29a, 29b, 29c, and 29d, a door inner portion 31 that is a back plate that covers the entire back side of the door 5 is provided. The entire peripheral edge portion near the periphery of the four sides of 31 protrudes in a trapezoidal shape with a narrow cross section toward the inside of the refrigerator compartment 3, and the throat portion 33 is formed elongated. Further, the outside of the throat portion 33 extends slightly outward, and a rectangular frame-shaped gasket 35 shown on the rear side is attached to the extended portion. Specifically, a concave portion (not shown) is formed in the extended portion, and an arrow-like insertion portion of the gasket 35 is inserted into the concave portion, whereby the gasket 35 is attached to the door inner portion 31.

図４は、図２に示した扉５において線ａ―ａに沿って切断した扉５の左端部寄りの部分のみを拡大して示す断面図である。図４に示すように、前記面材２５の裏側には、真空断熱材２７が接着により貼り付けられ、この真空断熱材２７の反対側の裏面には、裏板を構成する前記扉内側部３１が接着により貼り付けられている。また、操作部９を有するハンドル７が面材２５の左端寄りの表面に図５で説明したように皿ねじ１９により取り付けられている。このハンドル７が取り付けられた面材２５の内側には、ＥＰＳからなる前記発泡断熱材２９ｂが配設され、この発泡断熱材２９ｂと真空断熱材２７との間に同様にスポンジやＥＰＳなどからなる発泡断熱材３７が配設されている。また、裏板を構成する扉内側部３１は、端部寄りの部分が冷蔵室３内に向かって大きく膨出して、前記スロート部３３を形成し、このスロート部３３内には同様にＥＰＳなどからなる発泡断熱材４１が配設されている。   FIG. 4 is an enlarged cross-sectional view showing only a portion near the left end portion of the door 5 cut along the line aa in the door 5 shown in FIG. As shown in FIG. 4, a vacuum heat insulating material 27 is adhered to the back side of the face material 25 by adhesion, and the door inner side portion 31 constituting the back plate is formed on the back surface opposite to the vacuum heat insulating material 27. Is attached by bonding. Further, the handle 7 having the operation portion 9 is attached to the surface near the left end of the face member 25 by the countersunk screw 19 as described with reference to FIG. Inside the face member 25 to which the handle 7 is attached, the foam heat insulating material 29b made of EPS is disposed, and similarly between the foam heat insulating material 29b and the vacuum heat insulating material 27, it is made of sponge, EPS, or the like. A foam heat insulating material 37 is provided. Moreover, the door inner side part 31 which comprises a backplate bulges largely toward the inside of the refrigerator compartment 3 in the part near an edge part, forms the said throat part 33, and EPS etc. similarly in this throat part 33 The foam heat insulating material 41 which consists of is arrange | positioned.

発泡断熱材２９ｂの裏側であって、発泡断熱材３７の横には、ガスケット３５の差込部３５ａが挿入される凹部３９が形成されている。この凹部３９に差し込まれた差込部３５ａに続くガスケット３５のエアクッション部３５ｂは、凹部３９から突出し、図示しない冷蔵庫１の側壁の端部に当接し、冷蔵庫１を密閉状態に閉塞するようになっているが、このエアクッション部３５ｂの背面には、マグネット３５ｃが取り付けられ、このマグネット３５ｃにより冷蔵庫１の側壁の端部の金属部などに磁気的に吸着し、扉５を完全に閉塞するようになっている。   A recess 39 into which the insertion portion 35a of the gasket 35 is inserted is formed on the back side of the foam heat insulating material 29b and beside the foam heat insulating material 37. The air cushion portion 35b of the gasket 35 following the insertion portion 35a inserted into the recess 39 protrudes from the recess 39, abuts against the end of the side wall of the refrigerator 1 (not shown), and closes the refrigerator 1 in a sealed state. However, a magnet 35c is attached to the back surface of the air cushion portion 35b, and the magnet 35c is magnetically attracted to a metal portion or the like at the end of the side wall of the refrigerator 1 to completely close the door 5. It is like that.

更に、前記発泡断熱材２９ｂの裏側であって、扉５の左端部の内側には、操作部９の制御部を構成する電気部品を実装した基板４３が配設されている。   Further, on the back side of the foam heat insulating material 29 b and inside the left end portion of the door 5, a substrate 43 on which electric parts constituting the control unit of the operation unit 9 are mounted is disposed.

以上のように構成される本実施形態の冷蔵庫１においては、操作部９は、扉５から突出したハンドル７に設けられていて、真空断熱材２７が配設される扉５の表面などに設けられていないため、扉５の表面を構成する面材２５に操作部のための凹部や孔などがなく、このため真空断熱材２７を扉５のほぼ全面にわたって広く設けることができ、扉５の断熱性能を向上できるとともに、薄くても断熱性能の良好な真空断熱材２７を使用することで扉５自身も薄くでき、ひいては冷蔵室３の内容量を増大することができる。   In the refrigerator 1 of the present embodiment configured as described above, the operation unit 9 is provided on the handle 7 protruding from the door 5 and provided on the surface of the door 5 on which the vacuum heat insulating material 27 is provided. Therefore, the face material 25 constituting the surface of the door 5 does not have a recess or a hole for the operation portion, so that the vacuum heat insulating material 27 can be widely provided over almost the entire surface of the door 5. The heat insulation performance can be improved, and the door 5 itself can be made thin by using the vacuum heat insulating material 27 having a good heat insulation performance even if it is thin, so that the internal capacity of the refrigerator compartment 3 can be increased.

また、操作部９は、ハンドル７に設けられているものであるため、外観的にも良好である上に、冷蔵庫１を使用する時にハンドル７を操作しながら操作部９を見ることができ、操作性を向上することができるとともに、手の移動や視線の移動を少なくすることもできる。なお、ハンドル７は、皿ねじ１９により面材２５の内側から取り付けられ、面材２５の裏側に皿ねじ１９が突出することがないため、真空断熱材２７が皿ねじ１９で傷つくこともない。   Moreover, since the operation part 9 is provided in the handle | steering-wheel 7, while being good also in external appearance, when using the refrigerator 1, the operation part 9 can be seen while operating the handle | steering-wheel 7, The operability can be improved and the movement of the hand and the line of sight can be reduced. The handle 7 is attached from the inside of the face material 25 by the countersunk screw 19, and the countersunk screw 19 does not protrude on the back side of the face material 25, so that the vacuum heat insulating material 27 is not damaged by the countersunk screw 19.

更に、操作部９の取り付けのために、冷蔵室３の扉５の表面などに凹部や孔などを形成する必要がないため、操作部９のない汎用的な扉として扉５を標準化でき、操作部９の表示器や操作ボタンなどを変更するだけで、種々の冷蔵庫に適用することができる。   Furthermore, since it is not necessary to form a recess or a hole in the surface of the door 5 of the refrigerator compartment 3 for mounting the operation unit 9, the door 5 can be standardized as a general-purpose door without the operation unit 9. It can be applied to various refrigerators only by changing the display and operation buttons of the unit 9.

また、扉５の端部には、真空断熱材２７の端部に対して発泡断熱材３７を挟んで発泡断熱材２９ｂを設けているため、真空断熱材２７の端部が長さ的にばらついても、この真空断熱材２７のばらつきを発泡断熱材３７および発泡断熱材２９ｂで吸収することができる。   Further, since the foam heat insulating material 29b is provided at the end of the door 5 with the foam heat insulating material 37 sandwiched between the end of the vacuum heat insulating material 27, the end of the vacuum heat insulating material 27 varies in length. However, the variation of the vacuum heat insulating material 27 can be absorbed by the foam heat insulating material 37 and the foam heat insulating material 29b.

なお、本実施形態では、操作部９をハンドル７に設けた場合について説明したが、本発明は、これに限定されるものでなく、真空断熱材２７を取り付ける面材２５に凹部や孔を作ることなく、真空断熱材２７を扉５のほぼ全面にわたって広く設けることができればよいものである。   In the present embodiment, the case where the operation unit 9 is provided on the handle 7 has been described. However, the present invention is not limited to this, and a recess or a hole is formed in the face material 25 to which the vacuum heat insulating material 27 is attached. It is only necessary that the vacuum heat insulating material 27 can be provided widely over almost the entire surface of the door 5.

図６は、本発明の第２の実施形態に係わる冷蔵庫に適用される扉の左端部分の断面を示す断面図である。なお、この図６に示す扉５０は、図１乃至図５に示した第１の実施形態において操作部９の制御部を構成する電気部品を実装した基板の位置およびこの基板に隣接する発泡断熱材の形状が異なるのみであり、その他の構成作用は図１乃至図５に示した冷蔵庫１および扉５と同じであり、同じ構成要素には同じ符号を付し、その説明を省略する。   FIG. 6: is sectional drawing which shows the cross section of the left end part of the door applied to the refrigerator concerning the 2nd Embodiment of this invention. The door 50 shown in FIG. 6 is provided with the position of the board on which the electrical components constituting the control unit of the operation unit 9 are mounted in the first embodiment shown in FIGS. 1 to 5 and the foam insulation adjacent to the board. Only the shapes of the materials are different, and the other components and functions are the same as those of the refrigerator 1 and the door 5 shown in FIGS. 1 to 5, and the same components are denoted by the same reference numerals and description thereof is omitted.

すなわち、図６に示す扉５０は、第１の実施形態と同様に、面材２５の裏面には、真空断熱材２７が接着により貼り付けられ、この真空断熱材２７の裏側には扉内側部３１が貼り付けられ、この扉内側部３１の端部寄りの部分にはスロート部３３が形成され、このスロート部３３の内部に発泡断熱材４１が配設されるとともに、面材２５の左端部寄りの表面には、ハンドル７が取り付けられ、このハンドル７に操作部９が設けられている。   That is, in the door 50 shown in FIG. 6, as in the first embodiment, the vacuum heat insulating material 27 is adhered to the back surface of the face material 25 by adhesion, and the inside of the door is disposed on the back side of the vacuum heat insulating material 27. 31 is affixed, and a throat portion 33 is formed in a portion near the end of the door inner portion 31, a foam heat insulating material 41 is disposed inside the throat portion 33, and the left end portion of the face material 25 A handle 7 is attached to the near surface, and an operation portion 9 is provided on the handle 7.

また同様に、真空断熱材２７の端部には、発泡断熱材３７が隣接して設けられ、この発泡断熱材３７に隣接して凹部３９が形成され、この凹部３９にガスケット３５の差込部３５ａが差し込まれ、ガスケット３５のエアクッション部３５ｂにはマグネット３５ｃが内側に設けられ、このマグネット３５ｃは、冷蔵室３を構成する側壁５１の端面を構成している金属部などに磁気的に吸着し、扉５０を完全に閉塞するようになっている。   Similarly, a foam heat insulating material 37 is provided adjacent to the end of the vacuum heat insulating material 27, and a recess 39 is formed adjacent to the foam heat insulating material 37. 35a is inserted, and a magnet 35c is provided inside the air cushion part 35b of the gasket 35, and this magnet 35c is magnetically attracted to a metal part or the like constituting the end face of the side wall 51 constituting the refrigerator compartment 3. The door 50 is completely closed.

このような構成において、本第２の実施形態の扉５０においては、操作部９の制御部を構成する電気部品を実装した基板は、符号４３０で示すように扉５０の左端に設けられているが、この基板４３０と前記発泡断熱材３７との間に設けられている発泡断熱材は、符号２９０で示すように、図６で上端部が左方に延出し、この延出部２９０ａで基板４３０の上部を囲むように形成されている。また、基板４３０の電気部品などの実装された面は、発泡断熱材２９０の図６で上方に伸びた面に平行に配設され、発泡断熱材２９０で覆われるようになっている。すなわち、発泡断熱材２９０は、基板４３０の上部および右側面を覆って断熱するように構成されている。   In such a configuration, in the door 50 of the second embodiment, the board on which the electrical components constituting the control unit of the operation unit 9 are mounted is provided at the left end of the door 50 as indicated by reference numeral 430. However, as shown by reference numeral 290, the foam heat insulating material provided between the substrate 430 and the foam heat insulating material 37 extends to the left in FIG. 6, and the substrate is formed by the extended portion 290a. It is formed so as to surround the upper part of 430. In addition, the surface of the substrate 430 on which electrical components and the like are mounted is disposed in parallel to the surface of the foam heat insulating material 290 that extends upward in FIG. 6, and is covered with the foam heat insulating material 290. That is, the foam heat insulating material 290 is configured to cover and insulate the upper part and the right side surface of the substrate 430.

図６に示すように、扉５０を閉じて、ガスケット３５のエアクッション部３５ｂが側壁５１の端面に当接し、マグネット３５ｃの磁気力により扉５０が冷蔵室３を密閉状態に閉塞している状態において、冷蔵室３の冷気は、点線の矢印６０１で示すように、側壁５１とスロート部３３との隙間からガスケット３５に伝達され、ガスケット３５が冷却されるが、このガスケット３５の冷却状態が直接基板４３０に伝達されないように発泡断熱材２９０がガスケット３５と基板４３０との間に設けられている。   As shown in FIG. 6, the door 50 is closed, the air cushion portion 35b of the gasket 35 is in contact with the end surface of the side wall 51, and the door 50 closes the refrigerator compartment 3 in a sealed state by the magnetic force of the magnet 35c. As shown by the dotted arrow 601, the cold air in the refrigerator compartment 3 is transmitted to the gasket 35 through the gap between the side wall 51 and the throat portion 33, and the gasket 35 is cooled. A foam heat insulating material 290 is provided between the gasket 35 and the substrate 430 so as not to be transmitted to the substrate 430.

すなわち、ガスケット３５の冷却状態が基板４３０に直接伝達されると、この冷気により基板４３０に露が発生し、これにより基板４３０上の電気部部品が劣化する可能性があるが、基板４３０とガスケット３５との間に発泡断熱材２９０を設け、この発泡断熱材２９０で基板４３０の上部および右側面を覆って断熱することによりガスケット３５の冷気が基板４３０に直接伝達されず、基板４３０に露が発生することを防止しているのである。   That is, when the cooling state of the gasket 35 is directly transmitted to the substrate 430, dew may be generated on the substrate 430 due to the cold air, which may cause deterioration of electrical parts on the substrate 430. 35 is provided with a foam heat insulating material 290, and the foam heat insulating material 290 covers and heat-insulates the upper portion and the right side surface of the substrate 430, so that the cool air of the gasket 35 is not directly transmitted to the substrate 430, and dew is generated on the substrate 430. It prevents it from occurring.

図７は、本発明の第３の実施形態に係わる冷蔵庫の全体を示す斜視図である。図７に示す冷蔵庫１０は、最上部に冷蔵室３が設けられ、この冷蔵室３は右端部に図示しないヒンジが取り付けられ、この右端を軸として開閉する片開き式の扉５５が取り付けられている。この冷蔵室３の扉５５の上端部には扉上キャップ２１が取り付けられ、下端部には扉下キャップ２３０が取り付けられている。   FIG. 7 is a perspective view showing the entire refrigerator according to the third embodiment of the present invention. The refrigerator 10 shown in FIG. 7 is provided with a refrigeration room 3 at the uppermost part, and the refrigeration room 3 has a hinge (not shown) attached to the right end, and a single-open door 55 that opens and closes around the right end. Yes. The upper door cap 21 is attached to the upper end portion of the door 55 of the refrigerator compartment 3, and the lower door cap 230 is attached to the lower end portion.

また、扉５５のヒンジ側とは反対の左側の自由端部寄りの扉下キャップ２３０の下側内部には凹部が形成され、この凹部により手掛け部５７が構成され、この手掛け部５７に手を下側から入れて扉５５を手前に引っ張ることにより、扉５５は右端のヒンジを中心に回転し、開くようになっている。更に、扉下キャップ２３０の手掛け部５７よりも右寄りのほぼ中央部には、冷蔵庫１の各部の動作状態を制御したり、表示するための例えば操作ボタンや表示器などからなる操作部５９が設けられている。   In addition, a recess is formed inside the lower side of the door cap 230 near the free end on the left side opposite to the hinge side of the door 55, and the handle 57 is formed by the recess, and a hand is placed on the handle 57. By inserting from the lower side and pulling the door 55 forward, the door 55 rotates about the hinge at the right end and opens. Further, an operation unit 59 composed of, for example, operation buttons and a display for controlling or displaying the operation state of each part of the refrigerator 1 is provided in a substantially central part on the right side of the handle part 57 of the door cap 230. It has been.

なお、図７に示す冷蔵庫１０は、図１に示した冷蔵庫１と同様に、冷蔵室３の下側に野菜室１１が設けられ、この野菜室１１の真下に製氷室１３と冷蔵から冷凍までの任意の冷却状態に可変し得る切替室とも称する上部冷凍室１５が横に並んで設けられ、これら製氷室１３と上部冷凍室１５の直下の最下部には冷凍室１７が設けられている。   In addition, the refrigerator 10 shown in FIG. 7 is provided with a vegetable room 11 below the refrigeration room 3 as in the refrigerator 1 shown in FIG. An upper freezing chamber 15, which is also referred to as a switching chamber that can be changed to any cooling state, is provided side by side, and a freezing chamber 17 is provided at the bottom immediately below the ice making chamber 13 and the upper freezing chamber 15.

図８は、図７に示した冷蔵庫１０の冷蔵室３の扉５５のみを示す正面図である。図８に示すように、扉５５の右端には、ヒンジ部６１が設けられ、このヒンジ部６１を中心に扉５５は回転して開くようになっている。また、扉５５は、前板を構成する面材６３の裏側に真空断熱材６５を接着により貼り付けるとともに、この真空断熱材６５の裏側に前記扉内側部に対応する裏板を貼り付けて構成されている。   FIG. 8 is a front view showing only the door 55 of the refrigerator compartment 3 of the refrigerator 10 shown in FIG. As shown in FIG. 8, a hinge portion 61 is provided at the right end of the door 55, and the door 55 rotates and opens around the hinge portion 61. The door 55 is configured by adhering a vacuum heat insulating material 65 to the back side of the face material 63 constituting the front plate by bonding, and attaching a back plate corresponding to the door inner side to the back side of the vacuum heat insulating material 65. Has been.

図９は、図８に示した扉５５をヒンジ部６１と反対の左側の自由端部５５ａの方から扉５５の裏面を若干見せて示す斜視図である。この扉５５の自由端部５５ａの下方には、前記操作部５９用の基板６７が垂直に配設されている。また、扉５５の下端部には、前記扉下キャップ２３０が取り付けられているが、この扉下キャップ２３０の前側に操作部５９が取り付けられているものであるため、図９では、１点鎖線で図示されている。なお、基板６７は、図４または図６で示したように、扉５５の自由端部５５ａに隣接して、この自由端部５５ａを構成する端面板と前記発泡断熱材２９ｂまたは２９０との間に配設されているものであるが、これに限定されるものではない。   FIG. 9 is a perspective view showing the door 55 shown in FIG. 8 with the back surface of the door 55 slightly shown from the left free end portion 55a opposite to the hinge portion 61. As shown in FIG. Below the free end portion 55a of the door 55, a substrate 67 for the operation portion 59 is disposed vertically. Further, the lower door cap 230 is attached to the lower end portion of the door 55. Since the operation portion 59 is attached to the front side of the lower door cap 230, in FIG. It is shown in the figure. As shown in FIG. 4 or FIG. 6, the substrate 67 is adjacent to the free end portion 55a of the door 55 and between the end face plate constituting the free end portion 55a and the foam heat insulating material 29b or 290. However, the present invention is not limited to this.

図１０は、図７乃至９に示した扉５５の下部の操作部５９のあるほぼ中央部分を垂直に切断した断面を示す断面図である。図１０に示すように、扉５５の前面には、面材６３が設けられ、この面材６３の裏側に真空断熱材６５が接着により貼り付けられ、また扉５５の下端部には、扉下キャップ２３０が取り付けられている。そして、この扉下キャップ２３０の前側に前記操作部５９が取り付けられ、この操作部５９用の基板６７が扉５５の内部の下方に配設されている。なお、この基板６７は、図９で説明したように、扉５５の自由端部５５ａの内部に設けられているものである。   FIG. 10 is a cross-sectional view showing a cross-section obtained by cutting a substantially central portion of the operation portion 59 below the door 55 shown in FIGS. 7 to 9 vertically. As shown in FIG. 10, a face material 63 is provided on the front surface of the door 55, and a vacuum heat insulating material 65 is attached to the back side of the face material 63 by adhesion. A cap 230 is attached. The operation portion 59 is attached to the front side of the door lower cap 230, and a substrate 67 for the operation portion 59 is disposed below the inside of the door 55. In addition, this board | substrate 67 is provided in the inside of the free end part 55a of the door 55, as demonstrated in FIG.

以上のように構成される第３の実施形態の冷蔵庫では、操作部５９は、扉下キャップ２３０に設けられていて、真空断熱材６５が配設される扉５５の表面などに設けられていないため、扉５５の表面を構成する面材６３に操作部５９のための凹部や孔などがなく、このため真空断熱材６５を扉５５のほぼ全面にわたって広く設けることができ、扉５５の断熱性能を向上できるとともに、薄くても断熱性能の良好な真空断熱材６５を使用することで扉５５自身も薄くでき、ひいては冷蔵室の内容量を増大することができる。   In the refrigerator of the third embodiment configured as described above, the operation unit 59 is provided on the door lower cap 230 and is not provided on the surface of the door 55 on which the vacuum heat insulating material 65 is provided. Therefore, the face material 63 constituting the surface of the door 55 does not have a recess or a hole for the operation portion 59, and therefore, the vacuum heat insulating material 65 can be provided widely over almost the entire surface of the door 55. In addition, the use of the vacuum heat insulating material 65 having a good heat insulating performance even if it is thin allows the door 55 itself to be thinned, and as a result, the internal capacity of the refrigerator compartment can be increased.

また、操作部５９は、手掛け部５７のある扉下キャップ２３０に設けられているものであるため、外観的にも良好である上に、冷蔵庫を使用する時に手掛け部５７に手をかけて扉５５を開閉しながら操作部５９を見ることができ、操作性を向上することができるとともに、手の移動や視線の移動を少なくすることもできる。   Further, since the operation unit 59 is provided in the lower door cap 230 with the handle 57, the appearance is good, and the door is opened by using the handle 57 when using the refrigerator. The operation unit 59 can be seen while opening and closing 55, so that the operability can be improved and the movement of the hand and the line of sight can be reduced.

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、１０ 冷蔵庫
３ 冷蔵室
５、５５ 扉
７ ハンドル
９、５９ 操作部
１９ 皿ねじ
２１ 扉上キャップ
２３、２３０ 扉下キャップ
２５、６３ 面材
２７、６５ 真空断熱材
２９ａ、２９ｂ、２９ｃ、２９ｄ、２９０ 発泡断熱材
３１ 扉内側部
３３ スロート部
３５ ガスケット
３７ 発泡断熱材
３９ 凹部
４１ 発泡断熱材
４３、６７、４３０ 基板
５１ 側壁
５５ａ 自由端部
５７ 手掛け部
６１ ヒンジ部 DESCRIPTION OF SYMBOLS 1, 10 Refrigerator 3 Cold room 5, 55 Door 7 Handle 9, 59 Operation part 19 Countersunk head 21 Upper cap 23, 230 Lower door cap 25, 63 Face material 27, 65 Vacuum heat insulating material 29a, 29b, 29c, 29d, 290 Foam heat insulating material 31 Door inner side portion 33 Throat portion 35 Gasket 37 Foam heat insulating material 39 Recess 41 Foam heat insulating materials 43, 67, 430 Substrate 51 Side wall 55a Free end portion 57 Hanger portion 61 Hinge portion

Claims (6)

扉を構成する前板の裏側に当接して配設される真空断熱材と、
前記扉の前板と異なる構成部に設けられ、冷蔵庫の動作状態の操作または表示の少なくともいずれかを行う機能手段と
を有することを特徴とする冷蔵庫。 A vacuum heat insulating material disposed in contact with the back side of the front plate constituting the door;
A refrigerator having a functional unit that is provided in a component different from the front plate of the door and performs at least one of operation or display of an operation state of the refrigerator. 前記機能手段を構成する基板を前記真空断熱材と奥行き方向に重なる位置に配設することを特徴とする請求項１記載の冷蔵庫。   2. The refrigerator according to claim 1, wherein the substrate constituting the functional means is disposed at a position overlapping the vacuum heat insulating material in the depth direction. 前記基板と真空断熱材との間に成形品の断熱材を配設することを特徴とする請求項２記載の冷蔵庫。   The refrigerator according to claim 2, wherein a heat insulating material of a molded product is disposed between the substrate and the vacuum heat insulating material. 前記扉の前板と異なる構成部は、扉のハンドルであることを特徴とする請求項１乃至３のいずれか１項に記載の冷蔵庫。   The refrigerator according to any one of claims 1 to 3, wherein the component different from the front plate of the door is a handle of the door. 前記扉の前板と異なる構成部は、扉のキャップであることを特徴とする請求項１乃至３のいずれか１項に記載の冷蔵庫。   The refrigerator according to any one of claims 1 to 3, wherein the component different from the front plate of the door is a door cap. 前記キャップに設けられている手掛けの近傍に前記機能手段を配設することを特徴とする請求項５記載の冷蔵庫。   6. The refrigerator according to claim 5, wherein the functional means is disposed in the vicinity of a handle provided on the cap.
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