JP5825170B2 - refrigerator - Google Patents

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JP5825170B2
JP5825170B2 JP2012073519A JP2012073519A JP5825170B2 JP 5825170 B2 JP5825170 B2 JP 5825170B2 JP 2012073519 A JP2012073519 A JP 2012073519A JP 2012073519 A JP2012073519 A JP 2012073519A JP 5825170 B2 JP5825170 B2 JP 5825170B2
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machine room
reinforcing member
refrigerator
outer box
top surface
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JP2013204902A (en
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花輪　純
純 花輪
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Description

この発明は、冷蔵庫に関し、特に冷蔵庫の機械室の補強構造に関するものである。   The present invention relates to a refrigerator, and more particularly to a reinforcing structure for a machine room of a refrigerator.

従来の冷蔵庫やショーケースの本体を構成する断熱箱体は、鋼板製の外箱と樹脂材等で成形された内箱間に発泡ポリウレタン等の断熱材を充填して構成されており、この断熱箱体の底面部には圧縮機等を配置するための機械室が備えられており、この機械室の側壁は、板金一枚のみの構造となっている。   A heat insulation box constituting the main body of a conventional refrigerator or showcase is configured by filling a heat insulating material such as polyurethane foam between an outer box made of steel and an inner box formed of a resin material. A machine room for arranging a compressor or the like is provided on the bottom surface of the box, and the side wall of the machine room has a structure of only one sheet metal.

このため、機械室の側面は強度的に弱く、断熱箱体本体の自重や、外的衝撃等によってたわみ変形してしまう可能性があった。   For this reason, the side surface of the machine room is weak in strength, and may be deformed by its own weight, external impact, or the like.

ショーケースにおいては、サイズが大きく、重量も重たいため、運搬作業においては運搬専用の機械を用いるため運搬時における落下等の外的衝撃をうける可能性が低い。このため、機械室側面の強度の問題は自重や貯蔵する内容物の重量に対処すればよかった。その方法として、ショーケースの自重やショーケース内に内容物を配置した際に一番負荷がかかる可能性の高い機械室の中央の側面部に補強部材を備えて対処していた（特許文献１）。   Since the showcase is large in size and heavy in weight, a dedicated machine for transportation is used in transportation work, so that it is less likely to receive external impacts such as dropping during transportation. For this reason, the strength problem on the side of the machine room should be dealt with by its own weight or the weight of the contents to be stored. As a method for this, a reinforcing member is provided on the side surface of the center of the machine room that is most likely to be loaded when the weight of the showcase or the contents are arranged in the showcase. ).

特開平８−２００９３３JP-A-8-200933

一方、一般家庭用の冷蔵庫は、サイズが小さく重量も軽いため、運搬専用の機械を用いず、作業者が直接運搬することが多い。一般家庭用の冷蔵庫の運搬作業においては、通常、圧縮機等が設けられている機械室を下にし、冷蔵庫を直立させた状態で運搬することが多いため、運搬者が手を滑らせて落下させた場合、機械室の側面に衝撃を受ける可能性がある。さらに、設置時においてもゆっくり降ろして設置すべきところを、早く降ろしてしまい機械室の側面に衝撃を受ける可能性がある。このため機械室側面の強度の問題は自重に対処するだけでは不十分であった。   On the other hand, since the refrigerator for home use is small in size and light in weight, it is often transported directly by an operator without using a dedicated machine. When transporting refrigerators for general household use, the machine room with a compressor or the like is usually placed down, and the refrigerator is usually kept upright. If this is done, the side of the machine room may be impacted. Further, even when installing, a place to be installed by slowly dropping may be lowered quickly, and the side of the machine room may be subjected to an impact. For this reason, the problem of the strength of the side of the machine room is not enough to deal with its own weight.

そこで、この発明は上記問題点を解決するためになされたものであり、自重のみならず、運搬時の外的衝撃にも耐えうる冷蔵庫を得ることを目的とする。   Therefore, the present invention has been made to solve the above-described problems, and an object thereof is to obtain a refrigerator that can withstand not only its own weight but also an external impact during transportation.

この発明に係る冷蔵庫は、開口を有する外箱と、前記外箱の両側板近傍に位置するように前記外箱の底部に設けられた脚部と、前記外箱内に間隔を有して設けられた開口を有する内箱と、前記外箱と前記内箱の間に有する空間内に発泡充填された断熱材と、を備えた冷蔵庫本体と、前記冷蔵庫本体の背面側下部に形成され、前記冷蔵庫本体の内部を冷却するための機器類を収納可能な機械室と、前記機械室内の側面側に位置するように前記機械室の底面に設けられ、前記機械室の底面と接する底部より切り起こされた２つのアングル材突起部が形成されたアングル材と、前記機械室の天面と接する上辺と、前記アングル材の底部と接し、前記２つのアングル材突起部の間に位置する下辺と、前記上辺と前記下辺を接続する縦辺とを備え、前記脚部の近傍にあって、前記機械室の天面と前記機械室の底面の間に取り付けられる補強部材と、を備えたものである。 The refrigerator according to the present invention is provided with an outer box having an opening, legs provided at the bottom of the outer box so as to be positioned in the vicinity of both side plates of the outer box, and a space in the outer box. A refrigerator main body comprising an inner box having an opening formed therein, and a heat-insulating material foam-filled in a space between the outer box and the inner box, and formed on the lower back side of the refrigerator main body, A machine room capable of storing equipment for cooling the interior of the refrigerator body, and a bottom provided in the machine room so as to be located on the side of the machine room, and cut and raised from the bottom contacting the machine room An angle material formed with two angle material projections, an upper side in contact with the top surface of the machine room, a lower side in contact with the bottom of the angle material and located between the two angle material projections, and a vertical side connecting the lower and the upper side, the In the vicinity of the part, in which and a reinforcing member mounted between the bottom surface of the top surface and the machine room of the machine room.

この発明に係る冷蔵庫は、補強部材を機械室の天面と底面の間に、かつ脚部の上部近傍に位置するように備えることで、運搬時の外的衝撃にも耐えうる冷蔵庫を得ることができる。   The refrigerator according to the present invention is provided with a reinforcing member so as to be positioned between the top surface and the bottom surface of the machine room and in the vicinity of the upper portion of the leg portion, thereby obtaining a refrigerator that can withstand external impact during transportation. Can do.

本発明の実施の形態１における冷蔵庫を示す外観図。The external view which shows the refrigerator in Embodiment 1 of this invention. 本発明の実施の形態１における冷蔵庫の背面側を示す外観図。The external view which shows the back side of the refrigerator in Embodiment 1 of this invention. 本発明の実施の形態１における補強部材を示す斜視図。The perspective view which shows the reinforcement member in Embodiment 1 of this invention. 本発明の実施の形態１におけるアングル材の取り付けた状態を示す斜視図。The perspective view which shows the state which attached the angle material in Embodiment 1 of this invention. 本発明の実施の形態１における機械室に補強部材を取り付ける過程を示す斜視図。The perspective view which shows the process in which a reinforcement member is attached to the machine room in Embodiment 1 of this invention. 本発明の実施の形態１における機械室に補強部材を取り付けた後の天面側を示す斜視図。The perspective view which shows the top | upper surface side after attaching the reinforcement member to the machine room in Embodiment 1 of this invention. 本発明の実施の形態１における機械室に補強部材を取り付けた状態を示す断面図。Sectional drawing which shows the state which attached the reinforcement member to the machine room in Embodiment 1 of this invention.

実施の形態１
以下、本発明の実施の形態１について図面を参照して説明する。図１は本発明の実施の形態１における冷蔵庫を示す外観図であり、図２は本発明の実施の形態１における冷蔵庫の背面側を示す外観図である。 Embodiment 1
Embodiment 1 of the present invention will be described below with reference to the drawings. FIG. 1 is an external view showing a refrigerator according to Embodiment 1 of the present invention, and FIG. 2 is an external view showing a rear side of the refrigerator according to Embodiment 1 of the present invention.

図１に示すように、冷蔵庫本体１は前方に開口を有する鋼板製の外箱２と、この外箱２内に間隔を存して組み込まれた前方に開口する樹脂製の内箱３と、外箱２及び内箱３間に現場発泡方式にて充填された発泡ポリウレタンからなる断熱材（図１において図示せず）とから構成されている。
内箱３内に上貯蔵室５、下貯蔵室６が構成されている。貯蔵温度帯は上貯蔵室５では０℃〜６℃、下貯蔵室６では−２２℃〜−１６℃と異なっている。冷蔵庫本体１にヒンジ連結され、上貯蔵室５の前面開口を開閉自在に開閉する回転扉７は、鋼板製の外板、硬質樹脂製の内板、そしてこれら外板及び内板間に発泡充填した断熱材とから講成される。下貯蔵室６にレールを設け、下貯蔵室６の前面開口を開閉自在に開閉する引出し扉８は、鋼板製の外板、硬質樹脂製の内板、そしてこれら外板及び内板間に発泡充填した断熱材とから構成されている。 As shown in FIG. 1, the refrigerator main body 1 includes a steel plate outer box 2 having an opening in the front, a resin inner box 3 opened in the front and incorporated in the outer box 2 with a space therebetween, It is comprised from the heat insulating material (not shown in FIG. 1) which consists of a polyurethane foam with which the outer box 2 and the inner box 3 were filled with the in-situ foaming system.
An upper storage chamber 5 and a lower storage chamber 6 are configured in the inner box 3. The storage temperature zone differs from 0 ° C. to 6 ° C. in the upper storage chamber 5 and −22 ° C. to −16 ° C. in the lower storage chamber 6. A revolving door 7 that is hinged to the refrigerator body 1 and that opens and closes the front opening of the upper storage chamber 5 is a steel plate outer plate, a hard resin inner plate, and foam filling between the outer plate and the inner plate. It is made from the heat insulation material. A rail 8 is provided in the lower storage chamber 6, and a drawer door 8 for opening and closing the front opening of the lower storage chamber 6 is openable and closable. The drawer door 8 is foamed between a steel plate outer plate, a hard resin inner plate, and the outer plate and the inner plate. It is composed of filled thermal insulation.

図２に示すように、冷蔵庫１の背面側下部かつ下貯蔵室６の裏側には圧縮機等が収められている機械室９が設けられている。この機械室９は、機械室９の底部を形成する底面１０Ａ、機械室の天井部を形成する天面１０Ｂ、下貯蔵室６と機械室９の間を形成する背面１０Ｄ、及び外箱２の側面部である側板２Ａに囲まれることにより構成されている。冷蔵庫１の底面１０Ａ下方の四隅には脚部１２が備えられている。この脚部１２により冷蔵庫１は床に確実に設置することができる。脚部１２は、機械室９の下部に備え付けられた後脚部１２Ａと、下貯蔵室６の開口側下部に備え付けられた前脚部１２Ｂとから構成されている。また、冷蔵庫本体１の背面部には断熱材注入口１６が設けられ、この注入口から液体状のポリウレタンを注入すると、外箱２と内箱３の間にポリウレタンが流れ込み、次第に発泡することで断熱材が出来上がる。この断熱材により、機械室９に備え付けられた圧縮機等の熱が内箱３に伝わらないようにしている。図２に示すように、機械室９内部では、外的衝撃による側板２Ａの変形を抑制するように、天面１０Ｂと底面１０Ａの間を側板２Ａに沿って補強部材１３が備えられている。また、この補強部材１３は後脚部１２Ａの上に配置されている。この補強部材１３により、冷蔵庫本体１の自重や貯蔵する内容物にお重量や外部からの衝撃に対しても側板２Ａの変形を抑えることができる。   As shown in FIG. 2, a machine room 9 in which a compressor or the like is housed is provided at the lower rear side of the refrigerator 1 and on the back side of the lower storage chamber 6. The machine room 9 includes a bottom surface 10A that forms the bottom of the machine room 9, a top surface 10B that forms the ceiling of the machine room, a back surface 10D that forms the space between the lower storage room 6 and the machine room 9, and It is configured by being surrounded by a side plate 2A which is a side surface portion. Legs 12 are provided at the four corners below the bottom surface 10 </ b> A of the refrigerator 1. With the legs 12, the refrigerator 1 can be reliably installed on the floor. The leg portion 12 includes a rear leg portion 12 </ b> A provided at the lower portion of the machine room 9 and a front leg portion 12 </ b> B provided at the lower portion on the opening side of the lower storage chamber 6. Further, a heat insulating material injection port 16 is provided on the back surface of the refrigerator main body 1. When liquid polyurethane is injected from the injection port, the polyurethane flows between the outer box 2 and the inner box 3 and gradually foams. Insulation is completed. This heat insulating material prevents heat from the compressor or the like provided in the machine room 9 from being transmitted to the inner box 3. As shown in FIG. 2, inside the machine room 9, a reinforcing member 13 is provided along the side plate 2A between the top surface 10B and the bottom surface 10A so as to suppress deformation of the side plate 2A due to external impact. The reinforcing member 13 is disposed on the rear leg portion 12A. The reinforcing member 13 can suppress the deformation of the side plate 2 </ b> A against the weight of the refrigerator main body 1 and the contents to be stored and the impact from the outside.

図３は、本発明の実施の形態１における補強部材１３を示す斜視図である。
この補強部材１３は鋼板を折曲して構成され、上辺１３Ａと、下辺１３Ｂと、これら上、下辺１３Ａ、１３Ｂを接続する縦辺１３Ｃとから成る。機械室９に補強部材１３を設置した際、上辺１３Ａは機械室９の上部を構成する天面１０Ｂと当接し、下辺１３Ｂは後述するアングル材底面部１１Ａと当接し、縦辺１３Ｃは、外箱２の側面部である側板２Ａと当接する。
縦辺１３Ｃと上辺１３Ａとの上側連続部１３Ｄは所定の曲率の湾曲形状とされているとともに、縦辺１３Ｃと下辺１３Ｂとの下側連続部１３Ｅは側板２Ａの内側と後述するアングル材１１に沿って当接するように段付き形状としている。また中央部１３Ｆには上下方向の強度を上げる為に、縦辺長さの９割程度に半円形状のビードを有している。 FIG. 3 is a perspective view showing the reinforcing member 13 according to Embodiment 1 of the present invention.
The reinforcing member 13 is formed by bending a steel plate, and includes an upper side 13A, a lower side 13B, and a vertical side 13C that connects the upper side and the lower side 13A, 13B. When the reinforcing member 13 is installed in the machine room 9, the upper side 13A comes into contact with the top surface 10B constituting the upper part of the machine room 9, the lower side 13B comes into contact with an angle material bottom surface part 11A described later, and the vertical side 13C It abuts on the side plate 2A which is a side surface portion of the box 2.
The upper side continuous portion 13D of the vertical side 13C and the upper side 13A has a curved shape with a predetermined curvature, and the lower side continuous portion 13E of the vertical side 13C and the lower side 13B is formed on the inner side of the side plate 2A and the angle member 11 described later. It has a stepped shape so that it abuts along. The central portion 13F has a semi-circular bead about 90% of the length of the vertical side in order to increase the vertical strength.

図４は、本発明の実施の形態１におけるアングル材１１の取り付けた状態を示す斜視図である。
図４に示すように、機械室９の側板２Ａの内側には、外箱２の下面を補強する為に、アングル材１１が外箱２の両側下面上かつ後脚部１２Ａの上側に配置されている。このアングル材１１は断面コの字状の鋼板から構成されている。アングル材１１は底面１０Ａと当接するアングル材底面部１１Ａと、アングル材底面部１１Ａの両端部を折り曲げて形成され、側板２Ａと当接する奥フランジ部１１Ｅと、補強部材１３が取り付けられた際に下辺１３Ｂの先端部と当接する前フランジ部１１Ｄとから構成されている。またアングル材１１のアングル材底面部１１Ａを切り起し、補強部材１３の設置の際の位置決め用のアングル材前突起部１１Ｂ及びアングル材後突起部１１Ｃが設けられている。このアングル材前突起部１１Ｂ及びアングル材後突起部１１Ｃの間隔は下辺１３Ｂの幅よりも若干広めに構成されており、下辺１３Ｂを設置すると補強部材１３が機械室９の奥行方向にずれるのを抑制できる。また、アングル材１１は底面１０Ａにネジで固定されている。
なお、図４において、アングル材１１はコの字に折り曲げられた部分は側面２Ａに当接しているが必ずしも当接する必要はない。 FIG. 4 is a perspective view showing a state in which the angle member 11 is attached according to the first embodiment of the present invention.
As shown in FIG. 4, on the inner side of the side plate 2A of the machine room 9, in order to reinforce the lower surface of the outer box 2, angle members 11 are arranged on both lower surfaces of the outer box 2 and above the rear leg 12A. ing. The angle member 11 is made of a steel plate having a U-shaped cross section. The angle member 11 is formed by bending the angle member bottom surface portion 11A that contacts the bottom surface 10A, the both end portions of the angle material bottom surface portion 11A, and the back flange portion 11E that contacts the side plate 2A, and the reinforcing member 13 is attached. It is comprised from the front flange part 11D contact | abutted with the front-end | tip part of the lower side 13B. Further, the angle material bottom surface portion 11A of the angle material 11 is cut and raised, and an angle material front projection portion 11B and an angle material rear projection portion 11C for positioning when the reinforcing member 13 is installed are provided. The interval between the angle material front projection 11B and the angle material rear projection 11C is slightly wider than the width of the lower side 13B. When the lower side 13B is installed, the reinforcing member 13 is shifted in the depth direction of the machine room 9. Can be suppressed. The angle member 11 is fixed to the bottom surface 10A with screws.
In FIG. 4, the angle member 11 is a U-shaped portion that is in contact with the side surface 2 </ b> A.

図５は本発明の実施の形態１における機械室９に補強部材１３を取り付ける過程を示す斜視図であり、図６は本発明の実施の形態１における機械室９に補強部材１３を取り付けた後の天面１０Ｂ側を示す斜視図であり、図７は本発明の実施の形態１における機械室９に補強部材１３を取り付けた状態を示す断面図である。
図５に示すように、底面１０Ａ上に設けられたアングル材１１のアングル材底面部１１Ａと天面１０Ｂの間を側板２Ａに沿うように補強部材１３が設けられている。 FIG. 5 is a perspective view showing a process of attaching the reinforcing member 13 to the machine room 9 according to the first embodiment of the present invention. FIG. 6 is a view after attaching the reinforcing member 13 to the machine room 9 according to the first embodiment of the present invention. FIG. 7 is a cross-sectional view showing a state in which the reinforcing member 13 is attached to the machine room 9 according to Embodiment 1 of the present invention.
As shown in FIG. 5, the reinforcing member 13 is provided along the side plate 2A between the angle member bottom surface portion 11A of the angle member 11 provided on the bottom surface 10A and the top surface 10B.

補強部材１３の下辺１３Ｂをアングル材１１の突起部であるアングル材前突起部１１Ｂ、アングル材後突起部１１Ｃの間に位置合わせを行い、下辺１３Ｂの先端と前フランジ部１１Ｄを当接させ補強部材１３を側板２Ａ側へ回転させて、側板２Ａの内側に縦辺１３Ｃが当接するように取り付けられる。回転させる際に天面１０Ｂと上側連続部１３Ｄの接触を回避する為に、図３に示すように上側連続部１３Ｄは所定の曲率の湾曲形状とされている。
なお、図５においては上述したように、補強部材１３を回転させて取り付けたが、前フランジ部１１Ｄが上側に折り曲げられていなければ、回転させなくても取り付けることは可能である。この場合補強部材１３の長さとアングル材底面部１３Ａから天面１０Ｂまでの高さが同じであれば側板２Ａの補強が可能である The lower side 13B of the reinforcing member 13 is aligned between the angle material front projection 11B and the angle material rear projection 11C which are projections of the angle material 11, and the tip of the lower side 13B and the front flange portion 11D are brought into contact with each other for reinforcement. The member 13 is rotated to the side plate 2A side and attached so that the vertical side 13C contacts the inside of the side plate 2A. In order to avoid contact between the top surface 10B and the upper continuous portion 13D when rotating, the upper continuous portion 13D has a curved shape with a predetermined curvature as shown in FIG.
In FIG. 5, as described above, the reinforcing member 13 is rotated and attached. However, if the front flange portion 11D is not bent upward, the reinforcing member 13 can be attached without being rotated. In this case, if the length of the reinforcing member 13 and the height from the angle member bottom surface portion 13A to the top surface 10B are the same, the side plate 2A can be reinforced.

図６に示すように、上辺１３Ａは３箇所の半径３ミリ程度の半球状凸部である天面突起部１０Ｃによって前後左右の位置決めを行う構成としている。この天面突起部１０Ｃは上辺１３Ａの先端及び両端で当接する構成となっている。上記のようにして補強部材１３を機械室９に取り付けると、補強部材１３の上辺１３Ａは、天面１０Ｂに設けられた天面突起部１０Ｃの間に収まり、補強部材１３は固定される。また、固定された補強部材１３の上辺１３Ａと天面１０Ｂの間に多少の隙間が生じていても、衝撃時の天面１０Ｂ、底面１０Ａの移動により、上辺１３Ａと天面１０Ｂ、は当接されるため側板２Ａにはほとんど力が加わらない。なお、補強部材１３は側板２Ａの変形を抑制するものであるため、上記では補強部材１３の下辺１３Ｂはアングル材１１の上に配置しているが、底面１０Ａの上に直接配置してもよい。なお、天面突起部１０Ｃは半球状で三箇所設けられているが、この個数、形状に限らず補強部材１３が固定されればよい。
また、補強部材１３が固定されたあとに、補強部材１３を側板２Ａ、天面１０Ｂ又は１０Ａとねじ止めすることでより完全に機械室９に固定される。また、補強部材１３が機械室９に完全に固定する方法として、ねじ止め以外の方法を利用してもよい。 As shown in FIG. 6, the upper side 13 </ b> A is configured to perform front / rear / right / left positioning by three top projections 10 </ b> C that are hemispherical convex portions having a radius of about 3 mm. The top surface protrusion 10C is configured to abut at the tip and both ends of the upper side 13A. When the reinforcing member 13 is attached to the machine room 9 as described above, the upper side 13A of the reinforcing member 13 is accommodated between the top surface protruding portions 10C provided on the top surface 10B, and the reinforcing member 13 is fixed. Even if a slight gap is generated between the top side 13A of the fixed reinforcing member 13 and the top surface 10B, the top side 13A and the top surface 10B come into contact with each other due to the movement of the top surface 10B and the bottom surface 10A at the time of impact. Therefore, almost no force is applied to the side plate 2A. In addition, since the reinforcing member 13 suppresses deformation of the side plate 2A, the lower side 13B of the reinforcing member 13 is disposed on the angle member 11 in the above, but may be disposed directly on the bottom surface 10A. . In addition, although the top surface protrusion part 10C is hemispherical and is provided in three places, the reinforcing member 13 is not limited to the number and shape, and the reinforcing member 13 may be fixed.
Further, after the reinforcing member 13 is fixed, the reinforcing member 13 is fixed to the machine chamber 9 more completely by screwing the reinforcing member 13 to the side plate 2A, the top surface 10B or 10A. Further, as a method for completely fixing the reinforcing member 13 to the machine room 9, a method other than screwing may be used.

本発明の実施の形態１に係る冷蔵庫は、補強部材１３を機械室９の天面１０Ｂと底面１０Ａの間、かつ脚部１２の上部近傍に備えることで、運搬時の外的衝撃にも耐えうる冷蔵庫を得ることができる。
また補強部材１３は鋼板を使用しているが、強度を上げる為に半球状のビード形状を設けることで高い効果を得るとともに、機械室９の両側へ配置することによって、従来の機械室９に設置されている機器や配管などへの干渉や機械室９内の空気の流れに影響する不都合が回避できる。 In the refrigerator according to Embodiment 1 of the present invention, the reinforcing member 13 is provided between the top surface 10B and the bottom surface 10A of the machine room 9 and in the vicinity of the upper portion of the leg portion 12 to withstand external impacts during transportation. A fridge can be obtained.
Further, although the reinforcing member 13 uses a steel plate, a high effect is obtained by providing a hemispherical bead shape in order to increase the strength, and by arranging it on both sides of the machine room 9, a conventional machine room 9 is provided. It is possible to avoid inconveniences that affect interference with installed equipment and piping and affect the air flow in the machine room 9.

実施の形態２
実施の形態１は補強部材１３を完全に固定するためにねじ止めする方法を利用いたが、本実施の形態２では、補強部材１３を完全に固定するために断熱材の発泡を利用したものである。 Embodiment 2
In the first embodiment, a method of screwing is used to completely fix the reinforcing member 13, but in the second embodiment, foaming of a heat insulating material is used to fix the reinforcing member 13 completely. is there.

冷蔵庫本体１に断熱材４を充填する際には、上記した外箱２、内箱３、アングル材１１及び補強部材１３、を取り付けた後、図示しない発泡治具にて外側から外箱２を、内側から内箱３をそれぞれ押さえ付け、その状態で断熱材４の原液を図２に示す断熱箱体背面の断熱材注入口１６から外箱２及び内箱３間に注入して発泡させる。
このとき、断熱材４が外に出ようとする発泡充填圧力が発生するが、冷蔵庫１の変形防止の為に発泡治具が取り付けられているので、外箱２へ大きな圧力が掛かる。この発泡充填圧力によって、天面１０Ｂは下方に押され変形する為、天面１０Ｂと補強部材１３の上辺１３Ａとの隙間が無くなり、補強部材１３の上辺１３Ａは天面１０Ｂに当接することで補強部材１３が固定されると共に、天面１０Ｂが必要以上に変形しなくなり、縦辺１３Ｃは側板２Ａの内側に沿って配置される。また、図７に示すように注入した断熱材４の固化後、補強部材１３は天面突起部１０Ｃと、アングル材前突起部１１Ｂ、アングル材後突起部１１Ｃによって、動かない構造となっている為、補強部材１３のズレを防止することが可能となる。 When the refrigerator body 1 is filled with the heat insulating material 4, after attaching the outer box 2, the inner box 3, the angle member 11 and the reinforcing member 13, the outer box 2 is attached from the outside with a foaming jig (not shown). The inner box 3 is pressed from the inside, and in this state, the stock solution of the heat insulating material 4 is injected between the outer box 2 and the inner box 3 from the heat insulating material inlet 16 on the back surface of the heat insulating box shown in FIG.
At this time, a foaming filling pressure is generated so that the heat insulating material 4 comes out, but a foaming jig is attached to prevent the refrigerator 1 from being deformed, so that a large pressure is applied to the outer box 2. Due to the foam filling pressure, the top surface 10B is pushed downward and deforms, so that there is no gap between the top surface 10B and the top side 13A of the reinforcing member 13, and the top side 13A of the reinforcing member 13 is in contact with the top surface 10B to reinforce. While the member 13 is fixed, the top surface 10B is not deformed more than necessary, and the vertical side 13C is arranged along the inner side of the side plate 2A. Further, as shown in FIG. 7, after the injected heat insulating material 4 is solidified, the reinforcing member 13 has a structure that does not move by the top surface protruding portion 10C, the angle material front protruding portion 11B, and the angle material rear protruding portion 11C. Therefore, it is possible to prevent the reinforcing member 13 from being displaced.

本発明の実施の形態２にかかる冷蔵庫は、補強部材１３を機械室９の天面１０Ｂと底面１０Ａの間、かつ脚部１２の上部近傍に備えることで、運搬時の外的衝撃にも耐えうる冷蔵庫を得ることができる。
さらに、工具を使用せずに断熱材４の発泡充填圧力を利用することにより、固定を行えるので、組み立て作業に掛かる時間を大幅に軽減でき、ネジの締め忘れや緩みの不安も無くなり、確実に補強部材１３を取り付けられる。 In the refrigerator according to the second embodiment of the present invention, the reinforcing member 13 is provided between the top surface 10B and the bottom surface 10A of the machine room 9 and in the vicinity of the upper portion of the leg portion 12 to withstand external impact during transportation. A fridge can be obtained.
Furthermore, fixing can be performed by using the foam filling pressure of the heat insulating material 4 without using a tool, so that the time required for assembly work can be greatly reduced, and there is no need to forget to tighten or loosen screws. The reinforcing member 13 can be attached.

１ 冷蔵庫本体
２ 外箱
２Ａ 側板
３ 内箱
４ 断熱材
５ 上貯蔵室
６ 下貯蔵室
７ 回転扉
８ 引出し扉
９ 機械室
１０Ａ 底面
１０Ｂ 天面
１０Ｃ 天面突起部
１０Ｄ 背面
１１ アングル材
１１Ａ アングル材底面部
１１Ｂ アングル材前突起部
１１Ｃ アングル材後突起部
１１Ｄ 前フランジ部
１１Ｅ 奥フランジ部
１２ 脚部
１２Ａ 後脚部
１２Ｂ 前脚部
１３ 補強部材
１３Ａ 上辺
１３Ｂ 下辺
１３Ｃ 縦辺
１３Ｄ 上側連続部
１３Ｅ 下側連続部
１３Ｆ 中央部
１６ 断熱材注入口 DESCRIPTION OF SYMBOLS 1 Refrigerator main body 2 Outer box 2A Side plate 3 Inner box 4 Heat insulating material 5 Upper storage room 6 Lower storage room 7 Revolving door 8 Drawer door 9 Machine room 10A Bottom surface 10B Top surface 10C Top surface projection part 10D Back surface 11 Angle material 11A Angle material bottom surface Part 11B Angle material front projection part 11C Angle material rear projection part 11D Front flange part 11E Back flange part 12 Leg part 12A Rear leg part 12B Front leg part 13 Reinforcement member 13A Upper side 13B Lower side 13C Vertical side 13D Upper side continuous part 13E Lower side continuous part 13F Central part 16 Insulation inlet

Claims (5)

開口を有する外箱と、
前記外箱の両側板近傍に位置するように前記外箱の底部に設けられた脚部と、
前記外箱内に間隔を有して設けられた開口を有する内箱と、
前記外箱と前記内箱の間に有する空間内に発泡充填された断熱材と、
を備えた冷蔵庫本体と、
前記冷蔵庫本体の背面側下部に形成され、前記冷蔵庫本体の内部を冷却するための機器類を収納可能な機械室と、
前記機械室内の側面側に位置するように前記機械室の底面に設けられ、前記機械室の底面と接する底部より切り起こされた２つのアングル材突起部が形成されたアングル材と、
前記機械室の天面と接する上辺と、前記アングル材の底部と接し、前記２つのアングル材突起部の間に位置する下辺と、前記上辺と前記下辺を接続する縦辺とを備え、前記脚部の近傍にあって、前記機械室の天面と前記機械室の底面の間に取り付けられる補強部材と、
を備えた冷蔵庫。 An outer box having an opening;
Legs provided at the bottom of the outer box so as to be located in the vicinity of both side plates of the outer box;
An inner box having openings provided at intervals in the outer box;
A heat insulating material foam-filled in the space between the outer box and the inner box;
A refrigerator body comprising
A machine room that is formed in the lower part on the back side of the refrigerator body and can store equipment for cooling the inside of the refrigerator body;
An angle member provided on a bottom surface of the machine room so as to be located on a side surface side of the machine room, and formed with two angle material protrusions cut and raised from a bottom part contacting the bottom surface of the machine room;
An upper side in contact with the top surface of the machine room; a lower side in contact with a bottom portion of the angle material; and located between the two angle material projections; and a vertical side connecting the upper side and the lower side; A reinforcing member that is attached between the top surface of the machine room and the bottom surface of the machine room,
Refrigerator equipped with. 前記補強部材の前記縦辺と前記下辺の間に形成された、段付き形状の下側連続部を備え、
前記縦辺は、前記機械室の側面部と接することを特徴とする請求項１記載の冷蔵庫。 A stepped shape lower continuous portion formed between the vertical side and the lower side of the reinforcing member,
The refrigerator according to claim 1 , wherein the vertical side is in contact with a side portion of the machine room . 前記冷蔵庫本体の背面部に断熱材注入口が設けられ、
前記補強部材を、前記断熱材注入口から前記外箱と前記内箱の間に有する空間内に注入された液状の断熱材の膨張による圧力で固定することを特徴とする請求項１又は２に記載の冷蔵庫。 A heat insulating material inlet is provided on the back surface of the refrigerator body,
The said reinforcing member is fixed by the pressure by the expansion | swelling of the liquid heat insulating material inject | poured in the space which has between the said outer box and the said inner box from the said heat insulating material injection port. The refrigerator described. 前記補強部材は、
前記縦辺と前記上辺の間に形成され、所定の曲率の湾曲形状をしている上側連続部を備えたことを特徴とする請求項１乃至３のいずれかに記載の冷蔵庫。 The reinforcing member is
The refrigerator according to any one of claims 1 to 3, further comprising an upper continuous portion that is formed between the vertical side and the upper side and has a curved shape with a predetermined curvature. 前記補強部材の上辺の位置決めを行う突起部を前記機械室の天面に備えたことを特徴とする請求項１乃至４のいずれかに記載の冷蔵庫。 The refrigerator according to any one of claims 1 to 4, wherein a protrusion for positioning the upper side of the reinforcing member is provided on the top surface of the machine room.
JP2012073519A 2012-03-28 2012-03-28 refrigerator Expired - Fee Related JP5825170B2 (en)

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