JP2012087948A - Refrigerator - Google Patents

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JP2012087948A
JP2012087948A JP2010232348A JP2010232348A JP2012087948A JP 2012087948 A JP2012087948 A JP 2012087948A JP 2010232348 A JP2010232348 A JP 2010232348A JP 2010232348 A JP2010232348 A JP 2010232348A JP 2012087948 A JP2012087948 A JP 2012087948A
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box
heat insulation
bent
vacuum heat
machine room
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JP2010232348A
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JP5562796B2 (en
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Masatoshi Sato
正俊 佐藤
Kenichi Tsukamoto
健一 塚本
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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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Priority to JP2010232348A priority Critical patent/JP5562796B2/en
Priority to CN201110312490.5A priority patent/CN102455106B/en
Priority to TW100137363A priority patent/TWI445913B/en
Publication of JP2012087948A publication Critical patent/JP2012087948A/en
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Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator capable of achieving more energy saving and improving refrigeration efficiency.SOLUTION: Both ends close to both side walls of a bent part 37 between an upward rising part 33 rising close to the rear part of a partition plate 51 constituting the machine room 31 of a refrigerator 100 and a rear extending part 35 bent rearward from the upward rising part 33 to extend to the rear part constitute a slope 39 by cutting off the bulge of the bent part 37, and the slope of two-side wall vacuum heat insulation panels 7a and 7b extend to the slope till the position of approaching the slope 39 having its bulge cut off.

Description

本発明の実施形態は、断熱箱体を構成する外箱と内箱の間の空間に真空断熱パネルを配設して、断熱性能を向上した冷蔵庫に関する。   Embodiment of this invention is related with the refrigerator which arrange | positioned the vacuum heat insulation panel in the space between the outer box and inner box which comprise a heat insulation box, and improved the heat insulation performance.

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、断熱箱体を構成する外箱と内箱の間の空間に真空断熱パネルを設けるとともに、この真空断熱材を設けた前記空間の隙間に硬質ウレタンフォーム等などからなる発泡断熱材を充填している。   In order to improve the heat insulation performance and save energy, the refrigerator is provided with a vacuum heat insulation panel in the space between the outer box and the inner box constituting the heat insulation box, and the space between the spaces provided with the vacuum heat insulation material. Is filled with foam insulation made of hard urethane foam or the like.

特開平１０−２５３２４３号公報JP-A-10-253243 特開２００９−２２８９１７号公報JP 2009-228917 A

上述したように、冷蔵庫は、省エネルギー化を図るために、真空断熱パネルおよび発泡断熱材を充填されて断熱性能を著しく向上した断熱箱体で構成されているが、更に省エネルギー化を図ることが要望されている。   As described above, in order to save energy, the refrigerator is composed of a heat insulating box body that is filled with a vacuum heat insulating panel and foam heat insulating material to significantly improve heat insulating performance, but further energy saving is desired. Has been.

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、省エネルギー化を更に図り、冷蔵効率を向上し得る冷蔵庫を提供することにある。   This invention is made | formed in view of the above, The place made into the objective is providing the refrigerator which can aim at energy saving further and can improve refrigeration efficiency.

上記課題を達成するため、実施形態によれば、機械室を区画する仕切板部の後部寄りで上方に立ち上がった上方立上り部とこの上方立上り部から後方に折れ曲がって後部まで延出した後方延出部との間の折曲部の両側壁部に近接する両端部は、該折曲部の出っ張りを後方に後退させて傾斜部を構成し、この出っ張りを削除された傾斜部に平行に近接する位置まで前記両側壁側真空断熱パネルの前記傾斜部が延出している。   In order to achieve the above object, according to the embodiment, an upper rising portion that rises upward near the rear portion of the partition plate portion that divides the machine room, and a rear extension that is bent rearward from the upper rising portion and extends to the rear portion. Both end portions close to both side wall portions of the bent portion between the two portions are inclined backward by retreating the protruding portion of the bent portion, and the protruding portion is adjacent to the inclined portion removed in parallel. The inclined portion of the both-side wall-side vacuum heat insulation panel extends to a position.

本発明の一実施形態に係わる冷蔵庫の内部構造を示す部分分解斜視図である。It is a partial disassembled perspective view which shows the internal structure of the refrigerator concerning one Embodiment of this invention. 図１に示す冷蔵庫の斜め後方から見た斜視図である。It is the perspective view seen from diagonally backward of the refrigerator shown in FIG. 図１に示す冷蔵庫に使用されている真空断熱パネルを示す平面図および断面図である。It is the top view and sectional drawing which show the vacuum heat insulation panel currently used for the refrigerator shown in FIG. 図１に示す冷蔵庫の側部の内部構造を示す側面図である。It is a side view which shows the internal structure of the side part of the refrigerator shown in FIG. 図１に示す冷蔵庫の後部を示す後面図である。It is a rear view which shows the rear part of the refrigerator shown in FIG. 図１に示す冷蔵庫の底壁部および機械室を構成している仕切板部の構造を示す斜視図である。It is a perspective view which shows the structure of the partition plate part which comprises the bottom wall part and machine room of the refrigerator shown in FIG. 図１に示す冷蔵庫の下部後方の機械室を含む構造を示す斜視図である。It is a perspective view which shows the structure containing the machine room of the lower back of the refrigerator shown in FIG.

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、本発明の一実施形態に係わる冷蔵庫の内部構造を示す部分分解斜視図である。同図に示す冷蔵庫１００は、前面側が開放された全体として直方体の箱体１で構成されている。この箱体１の開放した前面側には、冷蔵庫１００の扉が、内部には棚板、隔壁等が取り付けられるようになっているが、図面の簡単化のため、省略されている。   FIG. 1 is a partially exploded perspective view showing an internal structure of a refrigerator according to an embodiment of the present invention. The refrigerator 100 shown in the figure is configured by a rectangular parallelepiped box 1 as a whole with the front side opened. A door of the refrigerator 100 is attached to the open front side of the box 1 and a shelf board, a partition wall, and the like are attached to the inside, but are omitted for simplification of the drawing.

箱体１は、外箱３とこの外箱３に対して空間をあけて内側に重なるように配設された内箱５とで構成される。なお、図１においては、箱体１の両側に設けられる両側壁部と、背面側に設けられる後壁部および底面側に設けられる底壁部に対応して箱体１の外側に４枚の真空断熱パネル７ａ、７ｂ、７ｃ、７ｄが説明的に図示されているが、これらの真空断熱パネル７（真空断熱パネル７ａ、７ｂ、７ｃ、７ｄを総称する場合には、単に真空断熱パネル７と記載する）は、箱体１の両側壁部、後壁部および底壁部の外箱３と内箱５との間の空間に配設され、箱体１、ひいては冷蔵庫１００の断熱性能を向上している。   The box 1 includes an outer box 3 and an inner box 5 that is disposed so as to overlap the outer box 3 with a space therebetween. In FIG. 1, four side walls provided on both sides of the box 1, four rear walls provided on the back side, and four bottom walls provided on the bottom side are provided outside the box 1. Although the vacuum heat insulation panels 7a, 7b, 7c, and 7d are illustrated in an explanatory manner, these vacuum heat insulation panels 7 (when collectively referred to as the vacuum heat insulation panels 7a, 7b, 7c, and 7d, Is arranged in the space between the outer box 3 and the inner box 5 on the both side walls, the rear wall part and the bottom wall part of the box 1, and improves the heat insulating performance of the box 1 and thus the refrigerator 100. is doing.

また、真空断熱パネル７を配設された箱体１の外箱３と内箱５との間の空間の隙間、すなわち箱体１の外箱３と内箱５との間の空間内における真空断熱パネル７と内箱５との間の隙間および外箱３と内箱５との間には、硬質ウレタンフォーム等などからなる発泡断熱材が充填され、箱体１の断熱性能を更に向上している。従って、以降では、箱体１を断熱箱体１とも称する。   Further, a gap in the space between the outer box 3 and the inner box 5 of the box 1 provided with the vacuum heat insulating panel 7, that is, a vacuum in the space between the outer box 3 and the inner box 5 of the box 1. The gap between the heat insulating panel 7 and the inner box 5 and the space between the outer box 3 and the inner box 5 are filled with a foam heat insulating material made of hard urethane foam or the like to further improve the heat insulating performance of the box 1. ing. Therefore, hereinafter, the box 1 is also referred to as a heat insulating box 1.

冷蔵庫１００は、断熱箱体１の貯蔵室内部が上下方向で複数の部分に分割され、最上部には冷蔵室１１が設けられ、この冷蔵室１１の下には野菜室１３が設けられ、この野菜室１３の下には製氷室１５と切替室１７が横に並んで設けられ、この製氷室１５と切替室１７の下には冷凍室１９が設けられている。   In the refrigerator 100, the inside of the storage chamber of the heat insulating box 1 is divided into a plurality of parts in the vertical direction, the refrigerator compartment 11 is provided at the top, and the vegetable compartment 13 is provided below the refrigerator compartment 11, An ice making room 15 and a switching room 17 are provided side by side under the vegetable room 13, and a freezing room 19 is provided under the ice making room 15 and the switching room 17.

なお、真空断熱パネル７は、外箱３の内箱５に対向する内面に密着して配設されている。更に詳しくは、真空断熱パネル７のうち、真空断熱パネル７ａ、７ｂが配設される断熱箱体１の両側壁部を構成している外箱３の内箱５に対向する内面には、図４に符号４１で示すように、放熱パイプが上下方向に延出して配設されている。この放熱パイプ４１が配設される断熱箱体１の両側壁部に設けられる真空断熱パネル７ａ、７ｂ（この両側壁部に設けられる真空断熱パネル７ａ、７ｂを両側壁側真空断熱パネル７ａ、７ｂと称する）は、放熱パイプ４１が埋設される凹溝を図３（ａ）、（ｂ）で符号７１ａ、ｂで示すように有し、この凹溝７１ａ、７１ｂに放熱パイプ４１を埋設しながら外箱３の内箱３に対向する内面に密着して配設されている。   The vacuum heat insulation panel 7 is disposed in close contact with the inner surface of the outer box 3 facing the inner box 5. More specifically, on the inner surface of the outer heat box 3 that constitutes both side walls of the heat insulating box 1 in which the vacuum heat insulating panels 7a and 7b are disposed, As indicated by reference numeral 41 in FIG. 4, the heat radiating pipe is arranged extending in the vertical direction. Vacuum heat insulating panels 7a, 7b provided on both side walls of the heat insulating box 1 in which the heat radiating pipe 41 is disposed (the vacuum heat insulating panels 7a, 7b provided on the both side walls are replaced with the side wall side vacuum heat insulating panels 7a, 7b). 3) has a concave groove in which the heat radiating pipe 41 is embedded as shown by reference numerals 71a and 71b in FIGS. 3 (a) and 3 (b), and the heat radiating pipe 41 is embedded in the concave grooves 71a and 71b. The outer box 3 is disposed in close contact with the inner surface facing the inner box 3.

なお、上下方向に延出して配設される放熱パイプ４１は、図４に示すように、両側壁側真空断熱パネル７ａ、７ｂの下端を超えて少し下方に延出してから後方に折り曲げられ、後述する機械室３１内に延出している。なお、両側壁側真空断熱パネル７ａ、７ｂは、放熱パイプ４１の前記折り曲げられた部分の間近までより近接するように延出している。   As shown in FIG. 4, the heat radiating pipe 41 extending in the vertical direction extends slightly downward beyond the lower ends of the side wall side vacuum heat insulating panels 7 a and 7 b and then bent backward. It extends into a machine room 31 to be described later. Note that the side wall side vacuum heat insulation panels 7 a and 7 b extend so as to be closer to the vicinity of the bent portion of the heat radiating pipe 41.

上述したように真空断熱パネル７の配設および発泡断熱材の充填により断熱性能の向上した断熱箱体１において、両側壁側真空断熱パネル７ａ、７ｂは、断熱箱体１の側壁部を構成する外箱３と内箱５との間の空間の上部から下部まで全体的に延出しているが、この両側壁側真空断熱パネル７ａ、７ｂの下部後方の角部は、斜めに削除されて、傾斜部７７を構成している。これは、この下部後方に対応する断熱箱体１の角部には、図２に示すように、前記機械室３１が形成され、この機械室３１内に冷凍サイクルを構成するコンプレッサなどが設置されるものであるため、そのスペースを確保するとともに、これらによる機械室３１からの熱を断熱箱体１内にこもらせず、外部に放出するために下部後方が斜めに切り取られているものである。   As described above, in the heat insulating box 1 having improved heat insulating performance by disposing the vacuum heat insulating panel 7 and filling with the foam heat insulating material, the side wall side vacuum heat insulating panels 7a and 7b constitute side walls of the heat insulating box 1. The entire space from the upper part to the lower part of the space between the outer box 3 and the inner box 5 extends, but the lower rear corners of the side wall side vacuum heat insulating panels 7a, 7b are obliquely deleted, An inclined portion 77 is configured. As shown in FIG. 2, the machine room 31 is formed at the corner of the heat insulating box 1 corresponding to the lower rear, and a compressor or the like constituting the refrigeration cycle is installed in the machine room 31. Thus, the space is secured, and the heat from the machine room 31 is not trapped in the heat insulation box 1 and the lower rear is obliquely cut out to release it to the outside. .

なお、断熱箱体１の底壁部を構成する外箱３と内箱５との間の空間には、図１に示したように、途中で上方に斜めに折れ曲がった真空断熱パネル７ｄの折れ曲がっていない水平部７ｄａが外箱３の内面に取り付けられ、上方に斜めに折れ曲がった斜め立上り部７ｄｂは断熱箱体１の底壁部の斜め上方に立ち上がった部分のほぼ真中辺りまで延出し、この両側に発泡断熱材が充填されている。   In addition, in the space between the outer box 3 and the inner box 5 constituting the bottom wall portion of the heat insulating box 1, the vacuum heat insulating panel 7d that is bent obliquely upward in the middle is bent as shown in FIG. The horizontal portion 7da that is not attached is attached to the inner surface of the outer box 3, and the diagonally rising portion 7db that is bent obliquely upward extends almost to the middle of the portion that rises diagonally above the bottom wall portion of the heat insulating box 1, Foam insulation is filled on both sides.

また、断熱箱体１の底壁部を構成する外箱３と内箱５との間の空間内のその他の部分、すなわち断熱箱体１の底壁部の真空断熱パネル７ｄと内箱５との間および真空断熱パネル７ｄのない外箱３と内箱５との間の空間、すなわち隙間には、発泡断熱材が充填されている。断熱箱体１の底壁部の斜め上方に立ち上がった後端部と断熱箱体１の後壁部の下端部は連結され、両者の外箱３と内箱５との間の空間には、発泡断熱材２１が充填されている。そして、断熱箱体１の底壁部の斜め上方に立ち上がった後端部の後側には、前記機械室３１が形成されている。   In addition, other parts in the space between the outer box 3 and the inner box 5 constituting the bottom wall part of the heat insulating box 1, that is, the vacuum heat insulating panel 7d and the inner box 5 on the bottom wall part of the heat insulating box 1 The space between the outer box 3 and the inner box 5 without the vacuum heat insulation panel 7d, that is, the gap, is filled with a foam heat insulating material. The rear end portion that rises obliquely above the bottom wall portion of the heat insulation box 1 and the lower end portion of the rear wall portion of the heat insulation box 1 are connected, and in the space between both the outer box 3 and the inner box 5, The foam heat insulating material 21 is filled. The machine room 31 is formed on the rear side of the rear end portion that rises obliquely above the bottom wall portion of the heat insulating box 1.

前記機械室３１は、図２および図４に示すように、貯蔵室側と仕切板部５１によって区画される。この仕切板部５１は、断熱箱体１の外箱３の底壁部を構成すると共に、その後部寄りで上方に立ち上がった上方立上り部３３と、この上方立上り部３３の上端から後述する折曲部３７で後方に折り曲がって後部まで延出した後方延出部３５とによって構成されている。これにより前記仕切板部５１は前記機械室３１の前側および上側を囲むようにして、貯蔵室との間を区画している。   As shown in FIGS. 2 and 4, the machine room 31 is partitioned by a storage room side and a partition plate part 51. The partition plate portion 51 constitutes the bottom wall portion of the outer box 3 of the heat insulating box 1, and the upper rising portion 33 rising upward near the rear portion and the bending described later from the upper end of the upper rising portion 33. It is comprised by the back extension part 35 bent to the back by the part 37, and extended to the rear part. As a result, the partition 51 separates the storage room so as to surround the front side and the upper side of the machine room 31.

なお、図５は、冷蔵庫１００の後部を示す後面図であり、この冷蔵庫１００の下部に機械室３１が構成され、この機械室３１内にコンプレッサ９９、その他、図示しないファン、コンデンサ等が設けられている。なお、図４は、この図５の線Ａ−Ａに沿った側面図である。   FIG. 5 is a rear view showing the rear part of the refrigerator 100. A machine room 31 is formed in the lower part of the refrigerator 100, and a compressor 99 and other fans, condensers, etc. (not shown) are provided in the machine room 31. ing. 4 is a side view taken along line AA in FIG.

上述したように、機械室３１を構成する上方立上り部３３とこの上方立上り部３３から後方に折れ曲がった後方延出部３５との間の折曲部３７は、図２、図６および図７に示すように、全体としては曲面形状に出っ張るように形成されるものである。   As described above, the bent portion 37 between the upper rising portion 33 constituting the machine room 31 and the rear extending portion 35 bent rearward from the upper rising portion 33 is illustrated in FIGS. 2, 6, and 7. As shown, the whole is formed so as to protrude into a curved surface shape.

この折曲部３７の両端部、すなわち断熱箱体１の両側壁部に近接する両端部は、折曲部の曲面状の出っ張り部分が前記機械室側に後退して凹んでいる傾斜部３９（凹部に相当）が形成され、貯蔵室側に空間部分が形成される。換言すると、折曲部の曲面状の出っ張り部分が削除されて直線状の傾斜部３９が形成される。そして、この傾斜部３９に真空断熱パネル７ａ、７ｂの傾斜部７７が対向して配置されている。これにより、この出っ張りを削除された傾斜部３９に平行に近接する位置まで両側壁側真空断熱パネル７ａ、７ｂの傾斜部７７の延出が可能とされ、この延出した分だけ両側壁側真空断熱パネル７ａ、７ｂが大きく形成され、断熱箱体１の両側壁部、すなわち貯蔵室側面側の断熱効果を更に向上している。また、製造の際に、両側壁側真空断熱パネル７ａ、７ｂの形状や配置位置に僅かな差異が生じても仕切板部５１と当たることが無くなるため組立性も良くなる。   Both end portions of the bent portion 37, that is, both end portions close to both side wall portions of the heat insulating box 1, are inclined portions 39 (the curved protruding portions of the bent portion are recessed toward the machine room side. (Corresponding to a recess) is formed, and a space is formed on the storage chamber side. In other words, the curved protruding portion of the bent portion is deleted, and the linear inclined portion 39 is formed. And the inclined part 77 of the vacuum heat insulation panels 7a and 7b is arranged facing this inclined part 39. Thereby, it is possible to extend the inclined portions 77 of the side wall side vacuum heat insulating panels 7a and 7b to a position close to the inclined portion 39 from which the protrusion has been removed. The heat insulation panels 7a and 7b are formed large, and the heat insulation effect on both side walls of the heat insulation box 1, that is, the side of the storage room is further improved. In addition, during manufacturing, even if a slight difference occurs in the shape and arrangement position of the side wall side vacuum heat insulation panels 7a and 7b, it does not come into contact with the partition plate portion 51, so that the assemblability is improved.

図６は、機械室３１を構成する上方立上り部３３と後方延出部３５との間の折曲部３７とこの折曲部３７の両端部の傾斜部３９を明確に示す前側から見た斜視図である。図６において、断熱箱体１の底壁部を構成する仕切板部５１の後部寄りで上方に立ち上がった上方立上り部３３とこの上方立上り部３３から後方に折り曲がって後部まで延出した後方延出部３５との間の折曲部３７は、曲面形状に折り曲がって出っ張るように形成されているが、この折曲部３７の両端部、すなわち断熱箱体１の両側壁部に近接する両端部は、折曲部３７の曲面状の出っ張りを削除されて直線状の傾斜部３９に形成されている。   FIG. 6 is a perspective view seen from the front side clearly showing the bent portion 37 between the upper rising portion 33 and the rear extending portion 35 constituting the machine room 31 and the inclined portions 39 at both ends of the bent portion 37. FIG. In FIG. 6, the upper rising portion 33 rising upward near the rear portion of the partition plate portion 51 that constitutes the bottom wall portion of the heat insulating box 1, and the rear extension that is bent backward from the upper rising portion 33 and extends to the rear portion. The bent portions 37 between the protruding portions 35 are formed so as to be bent and protrude in a curved shape, but both ends of the bent portions 37, that is, both ends close to both side wall portions of the heat insulating box 1. The curved portion of the bent portion 37 is removed, and the portion is formed in a linear inclined portion 39.

図７は、このように折曲部３７の曲面状の出っ張りを削除されて直線状に形成された傾斜部３９に対して平行に近接する位置まで側壁側真空断熱パネル７ｂの傾斜部７７を延出するように配設した状態を示す図である。同図に示すように、側壁側真空断熱パネル７ｂの傾斜部７７を傾斜部３９に近接するように延出すると、この側壁側真空断熱パネル７ｂの傾斜部７７が延出した分だけ側壁側真空断熱パネル７ｂを大きく形成することができ、これにより断熱効果を更に向上することができる。なお、上述した説明は、両側壁側真空断熱パネル７ａ、７ｂのうち右側の側壁側真空断熱パネル７ｂについて説明したが、左側の側壁側真空断熱パネル７ａについても同様である。   In FIG. 7, the curved portion of the bent portion 37 is removed, and the inclined portion 77 of the side wall side vacuum heat insulating panel 7b is extended to a position close to the inclined portion 39 formed in a straight line. It is a figure which shows the state arrange | positioned so that it may take out. As shown in the figure, when the inclined portion 77 of the side wall-side vacuum heat insulating panel 7b is extended so as to be close to the inclined portion 39, the side wall-side vacuum is increased by the extension of the inclined portion 77 of the side wall-side vacuum heat insulating panel 7b. The heat insulation panel 7b can be formed large, and this can further improve the heat insulation effect. In addition, although the description mentioned above demonstrated the right side wall side vacuum heat insulation panel 7b among the both-side wall side vacuum heat insulation panels 7a and 7b, it is the same also about the left side wall side vacuum heat insulation panel 7a.

上述した側壁側真空断熱パネル７ｂの傾斜部７７と傾斜部３９との関係は、図４を参照することにより、更に明確になる。なお、図４は、上述したように、図５の線Ａ−Ａに沿った側面図であって、側壁側真空断熱パネルは、左側の側壁側真空断熱パネル７ａの場合について示しているが、図４に示すように、側壁側真空断熱パネル７ａの傾斜部７７は、傾斜部３９に平行に近接するまで延出しており、この側壁側真空断熱パネル７ｂの傾斜部７７が延出した分だけ側壁側真空断熱パネル７ａを大きく形成することができ、これにより断熱効果を更に向上することができる。   The relationship between the inclined portion 77 and the inclined portion 39 of the side wall-side vacuum heat insulating panel 7b described above will be further clarified by referring to FIG. FIG. 4 is a side view taken along line AA in FIG. 5 as described above, and the side wall-side vacuum heat insulation panel shows the case of the left side wall side vacuum heat insulation panel 7a. As shown in FIG. 4, the inclined portion 77 of the side wall-side vacuum heat insulating panel 7 a extends to be close to the inclined portion 39 in parallel. The side wall side vacuum heat insulation panel 7a can be formed large, and this can further improve the heat insulation effect.

なお、実施形態は例示であり、発明の範囲はそれらに限定されない。   In addition, embodiment is an illustration and the range of invention is not limited to them.

１ 断熱箱体
３ 外箱
５ 内箱
７、７ａ、７ｂ、７ｃ、７ｄ 真空断熱パネル
３１ 機械室
３３ 上方立上り部
３５ 後方延出部
３７ 折曲部
３９ 傾斜部
４１ 放熱パイプ
５１ 仕切板部
７１ａ、７１ｂ 凹溝
７７ 傾斜部
１００ 冷蔵庫 DESCRIPTION OF SYMBOLS 1 Heat insulation box 3 Outer box 5 Inner box 7, 7a, 7b, 7c, 7d Vacuum heat insulation panel 31 Machine room 33 Upper rising part 35 Back extension part 37 Bending part 39 Inclination part 41 Radiation pipe 51 Partition plate part 71a, 71b Concave groove 77 Inclined part 100 Refrigerator

Claims (3)

外箱とこの外箱に対して空間をあけて重なるように配設される内箱とで構成される断熱箱体と、
この断熱箱体の下部後方に形成される機械室と貯蔵室とを区画すると共に、外箱の底面から機械室の前側を囲むように上方に立ち上がり、折曲部で後方に折り曲がって後部まで延出して機械室を前側および上側から囲む仕切板部と、
少なくとも前記断熱箱体の両側壁部の外箱と内箱の間の空間に配設され、下部後方の角部に前記機械室を避けるように形成された傾斜部を有する真空断熱パネルとを有し、
前記仕切板部の折曲部の両側壁部に近接する両端部は、前記機械室側に後退する凹部を有し、
前記真空断熱パネルの前記傾斜部は前記凹部に対向して配置されていることを特徴とする冷蔵庫。 A heat insulating box composed of an outer box and an inner box arranged so as to overlap with the outer box;
The machine room and the storage room formed at the lower rear of this heat insulation box are partitioned, rises upward from the bottom of the outer box so as to surround the front side of the machine room, and is bent backward at the bent part to the rear part. A partition plate portion extending and surrounding the machine room from the front side and the upper side;
A vacuum heat insulation panel having an inclined portion disposed at least in a space between the outer box and the inner box on both side walls of the heat insulation box and formed to avoid the machine room at a corner on the lower rear side. And
Both end portions adjacent to both side wall portions of the bent portion of the partition plate portion have recesses that recede to the machine room side,
The refrigerator, wherein the inclined portion of the vacuum heat insulation panel is disposed to face the recess. 前記折曲部は、曲面形状に折り曲がって形成され、前記凹部は、直線状に形成されてい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 bent portion is formed by being bent into a curved shape, and the concave portion is formed in a straight shape. 前記断熱箱体の両側壁部を構成している外箱の内箱に対向する内面に密着して放熱パイプが上下方向に延出して配設され両側壁側の前記真空断熱パネルは、当該放熱パイプが埋設される凹溝を有し、この凹溝に放熱パイプを埋設しながら外箱の内箱に対向する内面に密着して配設され、上下方向に延出して配設される放熱パイプは、前記真空断熱パネルの下端の下方で後方に折り曲げられ前記機械室まで延出し、前記真空断熱パネルは、放熱パイプの折り曲げ部の間近まで延出していることを特徴とする請求項1または２に記載の冷蔵庫。   The vacuum heat insulation panels on both side walls are disposed in close contact with the inner surface of the outer box constituting the both side walls of the heat insulation box so that the heat radiation pipe extends in the vertical direction. A heat radiating pipe which has a concave groove in which a pipe is embedded, is disposed in close contact with the inner surface of the outer box facing the inner box while being embedded in the concave groove, and extends vertically. 3. The vacuum heat insulation panel is bent rearward below the lower end of the vacuum heat insulation panel and extends to the machine room, and the vacuum heat insulation panel extends to the vicinity of the bent portion of the heat radiating pipe. Refrigerator.
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