JP3683432B2 - refrigerator - Google Patents

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Publication number
JP3683432B2
JP3683432B2 JP06087999A JP6087999A JP3683432B2 JP 3683432 B2 JP3683432 B2 JP 3683432B2 JP 06087999 A JP06087999 A JP 06087999A JP 6087999 A JP6087999 A JP 6087999A JP 3683432 B2 JP3683432 B2 JP 3683432B2
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Japan
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interior
refrigerator
cooler
groove
cooling chamber
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JP2000258048A (en
Inventor
茂時 石黒
克幸 田中
田中  義則
明義 ▲吉▼田
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Hoshizaki Electric Co Ltd
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Hoshizaki Electric Co Ltd
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Description

【0001】
【発明の属する技術分野】
この発明は、断熱箱体の内部に、遮蔽部材により収納室と冷却室とを画成した冷蔵庫に関するものである。
【0002】
【従来の技術】
食料品店やコンビニエンスストア等で、食品や飲料品等を冷蔵状態で収納して陳列する冷蔵ショーケース(冷蔵庫)が好適に使用されている。この冷蔵ショーケースは、内装と外装との間にウレタン等の発泡断熱材を充填してなる断熱箱体の内部に、食品や飲料品等の陳列品の収納室と、冷凍機構から冷媒が循環供給される冷却器および庫内ファンが収納される冷却室とが、遮蔽板を介して上下の関係で画成されている。遮蔽板には、収納室と冷却室とを連通する吸込口と吹出口とが形成され、庫内ファンを回転することにより、遮蔽板の吸込口から冷却室に吸込んだ室内空気を、前記冷却器に接触して冷気とした後、遮蔽板の吹出口を介して収納室に吹出して該収納室を冷却するよう構成してある。
【0003】
【発明が解決しようとする課題】
前記冷却室が断熱箱体の下部に画成される冷蔵ショーケースでは、冷却器で冷却された冷気は、前記遮蔽板に設けられた吹出口から収納室に向けて吹出されるだけであるので、該冷気は収納室の上部まで効率的に案内されず、収納室内が均一に冷却されない問題があった。
【0004】
前記冷却室では、前記遮蔽板の吸込口から冷却室内に吸込まれた空気が、冷却器の側部から空気吹出側に回り込んで冷却されることなく収納室に吹出されるのを防止するために、空気の回り込みを防止する部材を別途設けていた。このため、部品点数が多くなってコストが嵩むと共に、組付け工数が増えて組付け作業に時間が掛かる難点も指摘される。
【0005】
前記冷蔵ショーケースでは、陳列品を載置するための棚部材を収納室に多段的に配設するために、前記内装の左右両内側面に支持部を多段的に突出形成している。この場合において、内装を樹脂真空成形品で構成する場合、該内装は前方開口部側より後側の内部幅寸法が必然的に狭くなる。このため、内装の後側の内部寸法に対応する幅寸法に設定した長方形状の棚部材を載置する支持部については、その内側面からの突出寸法を後側から前側に向かうにつれて大きくなるよう設定しているが、このときには支持部の突出寸法分だけ前方開口部の有効広さが狭くなると共に、内容積も小さくなる欠点が指摘される。また支持部の前側においては、支持部と内側面との連設基部から離間する位置(突出先端側)で棚部材を支持するため、該支持部に加わるモーメントが大きくなり、強度を高める必要がある。
【0006】
更に、前記内装の内部幅寸法は、前側から後側に向かうにつれて狭くなっているから、後側の内部幅寸法に対応するよう幅寸法が設定された前記棚部材を支持部間に載置した場合、該棚部材の前側の側端と内装の内側面との間には大きな隙間を生じ、該棚部材が大きく移動してしまう欠点があった。
【0007】
【発明の目的】
本発明は、前述した従来の技術に内在している前記欠点に鑑み、これを好適に解決するべく提案されたものであって、収納室を効率的に冷却し得る冷蔵庫を提供することを目的とする。
【0008】
【課題を解決するための手段】
前記課題を克服し、所期の目的を達成するため、本発明に係る冷蔵庫は、
内装と外装との間に発泡断熱材を充填してなる断熱箱体の内部に、遮蔽部材を介して収納室と冷却室とが画成され、前記冷却室に配設した冷却器により熱交換のなされた冷気を、該冷却室に配設した庫内ファンを介して収納室に循環させるよう構成した冷蔵庫において、
前記内装における冷却室を画成して対向する両内側面の後部側に、吸込側と吹出側とが前後の向きとなる姿勢で配設された前記冷却器の対応する側面近傍まで延出し、該冷却器の側部において吸込側と吹出側とが連通しないようにする後突部を設け、
前記両後突部の上面を前記冷却器の上面に配設された断熱部材の上面と略同一レベルとなるよう設定し、該冷却器の上部において吸込側と吹出側とが連通しないように、両後突部に載置した前記遮蔽部材と冷却器との間に前記断熱部材を位置させたことを特徴とする。
【0010】
【発明の実施の形態】
次に、本発明に係る冷蔵庫につき、好適な実施例を挙げて、添付図面を参照しながら以下説明する。図2および図3に示す如く、実施例に係る冷蔵庫としての冷蔵ショーケース10は、内装11と外装12との間にウレタン等の発泡断熱材13を充填してなる断熱箱体14と、該箱体14が載置されるシャーシ15から基本的に構成される。また、シャーシ15の内部に画成した機械室16には、冷凍機構17が収納されている。前記断熱箱体14の前部には、前方に開放する矩形状の開口部14aが形成され、該開口部14aの内周上部および下部には、その幅方向(左右方向)の全長に亘って合成樹脂製の上レール18および下レール19が対応的に配設される。そして、両レール18,19間に、前扉20と後扉21とが夫々幅方向にスライド自在に支持されて、開口部14aを開閉し得るよう構成してある。
【0011】
前記断熱箱体14の内部、すなわち内装11の内部には、後述する第1遮蔽板(遮蔽部材)31を介して、上方に食品や飲料品等を冷蔵するための収納室22が画成されると共に、下方に前記冷凍機構17から冷媒が循環供給される冷却器23および冷気循環用の庫内ファン24が配設される冷却室25が画成される。冷却器23は、冷却室25内においては、その空気吸込側を前側に向けると共に、空気吹出側を後側に向けた姿勢で配置されると共に、前記庫内ファン24は、前側から吸込んだ空気(冷気)を後側に向けて吹出すよう設定されている。
【0012】
前記内装11は樹脂真空成形品であり、冷却室25を画成して対向する左右の両内側面(内面)11a,11aの後部側に、図1に示す如く、前記冷却器23の対応する左右の側面近傍まで延出する後突部26,26が一体的に形成され、冷却器23の側部においては、両後突部26,26により吸込側と吹出側とが連通しないよう構成してある。また両後突部26,26は、内装11の内後面(内面)11bまで延在し、該両後突部26,26および冷却器23の吹出側(後面側)と内後面11bとにより、吹出用空間S1を画成している。そして、この吹出用空間S1に、前記庫内ファン24が取付部材27を介して配設され、冷却器23と接触して熱交換した冷気を、吹出用空間S1から収納室22に吹出すよう構成される。
【0013】
前記内装11の下部における両内側面11a,11aには、前記後突部26,26の内部側への突出寸法より短かい所定長さだけ内部側に突出する前突部28,28が、後突部26,26の前側から前方に所定長さで延在するよう一体に連設されている。そして、両前突部28,28の間に臨む内装11の内底面に、前記冷却器23が左右のブラケット29,29を介して固定されている。なお、前記後突部26および前突部28の上面は、前記冷却器23の上面に配設された断熱部材30の上面と略同一レベルとなるよう設定されており(図4参照)、これら突部26,26,28,28間に前記第1遮蔽板31が着脱自在に載置される(図5参照)。また前突部28,28の前端は、内装11の前端よりも所定長さだけ後側に位置するよう設定されている。
【0014】
前記第1遮蔽板31は、図5に示す如く、矩形状の平板部31aと、該平板部31aの前端に下方に向けて直角に折曲形成された垂直部31bと、平板部31aの後端に形成されて複数の吹出口31cが穿設された水平突部31dとから基本的に構成される。そして第1遮蔽板31は、平板部31aの左右両端縁部が、前記前後の段部26,28の上面に載置されて、収納室22と冷却室25とを画成するようになっている。また第1遮蔽板31の垂直部31bは、図4に示す如く、前記前突部28,28の前端に沿って折曲されて内装11の内底面まで延在するよう設定され、該垂直部31bと前後の扉20,21との間に吸込用空間S2を画成している。この垂直部31bには、複数の吸込口31eが穿設されており(図2に一部のみ図示)、第1遮蔽板31により画成された冷却室25と吸込用空間S2とを該吸込口31eを介して連通するよう構成される。
【0015】
前記吸込用空間S2の上部は、第2遮蔽板32により閉成されるようになっている。この第2遮蔽板32は、図4に示す如く、吸込用空間S2の上部を略覆い得る矩形状の平板部32aと、該平板部32aの前端に下方前側に向けて斜めに折曲形成された傾斜部32bと、平板部32aの後端に下方に直角に折曲形成された垂直部32cとから基本的に構成される。そして、傾斜部32bの開放端を、前記下レール19の後面に形成した受部19aに載置すると共に、垂直部32cに形成した複数の切欠部32dを、第1遮蔽板31の垂直部31bに設けた対応する係合突起33に係合することで(図2参照)、当該第2遮蔽板32は平板部32aを第1遮蔽板31の平板部31aと略同一レべルとした状態で配設される。また第2遮蔽板32の平板部32aには、図5に示すように、複数の吸込口32eが穿設されており、収納室22内の空気は、第2遮蔽板32の吸込口32e、吸込用空間S2および第1遮蔽板31の吸込口31eを介して冷却室25に流れ込むよう構成される。
【0016】
前記内装11の内後面11bには、図6に示す如く、上下方向に延在する複数の凹溝34が、幅方向(左右方向)に離間して並列的に形成されている。各凹溝34は、その上端が収納室22の上部近傍まで延在すると共に、その下端は前記第1遮蔽板31により画成された冷却室25の吹出用空間S1まで延在し、該凹溝34により収納室22と冷却室25とを連通するよう構成してある。すなわち、前記庫内ファン24を回転した際には、前記冷却器23と接触して熱交換された冷気は、吹出用空間S1から第1遮蔽板31の吹出口31cを介して収納室22に吹出されると共に、複数の凹溝34を介して収納室22の上方に向けて案内(整流作用)されるよう構成される。また凹溝34の幅寸法は、隣り合う凹溝34と凹溝34との間に形成される凸部35より幅広に設定され、吹出用空間(冷却室25)S1から吹出される多くの冷気を上方に案内し得るようになっている。
【0017】
前記内装11における収納室22に臨む対向する左右の両内側面11a,11aには、図6に示す如く、内部側に開放して前後方向に延在する複数の溝部36が、上下に所定間隔離間して形成されている。この溝部36は、内装11の真空成形時に一体的に成形されるものであって、左右に対向する両溝部36,36における内装11の内側面11aである底面(垂直面)36a,36aの間隔は、前側から後側に向かうにつれて幅狭となっている。そして、左右に対向する両溝部36,36における下面36b,36b間に、食品や飲料品等の陳列品(図示せず)を整列載置するための棚網(棚部材)37が取出し自在に載置される。なお、各溝部36の後端36cは、図3に示す如く、前記内装11における内後面11bより所定長さだけ前側に位置するよう設定されている。
【0018】
前記棚網37の幅寸法は、図7に示す如く、前部側から後部側に向かうにつれて幅狭となるよう設定され(前側の幅L1>後側の幅L2)、該棚網37を前記溝部36,36の下面36b,36b間に載置した際には、棚網37の左右両側端と溝部36,36の底面36a,36aとが近接して略平行に臨むよう構成される。また棚網37の前後方向の寸法は、図2に示す如く、その後端を溝部36,36の後端36c,36cに当接して位置決めした状態で、その前端が前記後扉21の後面に近接するよう設定される。更に、棚網37の後端部に、上方に所定高さで立上がって幅方向の全長に亘って延在するストッパ38が配設されており、該ストッパ38は、棚網37に載置された陳列品の後方への移動を規制して、陳列品と内装11の内後面11bとの間に後部冷気通路Wを確保するべく機能する。なお、各溝部36の高さ寸法は、前記ストッパ38を含む棚網37の高さ寸法より僅かに大きく設定されている。また実施例では、最下段に位置する棚網37にはストッパ38は配設されていない。
【0019】
【実施例の作用】
次に、実施例に係る冷蔵ショーケースの作用につき説明する。前記内装11の内側面11a,11aに形成した左右に対向する溝部36,36の下面36b,36b間に、前記棚網37を載置することで、収納室22内には複数の棚網37が上下に多段的に配設される。そして、各棚網37に、陳列品が陳列状態で載置される。このとき、棚網37の全面に陳列品を載置しても、図3に示すように、棚網37の後端が内装11の内後面11bより前側に位置する溝部36の後端36cに当接すると共に、該棚網37の後部にストッパ38を配設してあるから、該ストッパ38によって内後面11bとの間に後部冷気通路Wが確保される。
【0020】
また棚網37の幅寸法は、該棚網37を支持するための溝部36,36の底面36a,36aと同様に、前部側から後部側に向かうにつれて幅狭となるよう設定してあるから、溝部36,36における下面36b,36bの内部側への突出寸法(溝部36の深さ寸法)は、その全長に亘って同一とすることができる。すなわち、下面36aの前側のみを大きく突出する必要はないから、断熱箱体14の開口部14aにおける有効広さが狭くなることはなく、内容積も小さくならない。しかも、棚網37の両側部の全長を、溝部36,36の底面側に近接する下面36b,36bで支持し得るから、下面36b,36bに加わるモーメントは小さく、強度を軽減し得る。更に、棚網37の側端と溝部36の底面36aとは、全長に亘って近接しているから、下面36b,36bに載置された棚網37が大きく移動するのは防止される。なお、棚網37の幅寸法が前側から後側に向かうにつれて変化するので、該棚網37を前後逆にした状態で溝部36,36に載置することはできず、棚網37の後部に配設したストッパ38が前側に臨む状態で配設されることを防ぐこともできる。
【0021】
前記庫内ファン24を回転すると、前記収納室22の前部側の空気は、前記第2遮蔽板32の吸込口32eから吸込用空間S2に吸込まれた後、第1遮蔽板31の吸込口31eから冷却室25に吸込まれる。この空気は、前記冷凍機構17により冷却されている冷却器23に接触して冷却された後、前記吹出用空間S1から第1遮蔽板31の吹出口31cを介して収納室22の後部側に吹出される。室内後部側に吹出された冷気は、前記棚網37のストッパ38と内後面11bとの間に画成された後部冷気通路Wを介して上昇し、棚網37に載置されている陳列品を冷却する。
【0022】
また、前記冷気の一部は、前記内装11の内後面11bに形成した複数の凹溝34に沿って上方に案内され、内装11の天井面に沿って前方に流れ、更に扉20,21に沿って下方に流れた後に、再び冷却室25に流入するサイクルを反復する。前記凹溝34の下端は冷却室25まで延在しているから、冷気の整流効果を期待でき、冷気を効率的に室内上部まで案内して室内全体を効率的に冷却することができる。しかも、凹溝34の幅寸法を、凸部35より幅広に設定してあるので、冷気の充分な循環量を確保することができる。なお、隣り合う凹溝34,34間に形成される凸部35は、補強用のリブ程幅狭ではなく、また前記溝部36の高さ寸法は、前記ストッパ38を含む棚網37の高さ寸法より僅かに大きく設定されているので、当該内装11の成形条件が良くなる利点もある。
【0023】
前記冷却室25に配設した冷却器23の両側部においては、図1に示す如く、前記内装11の両内側面11a,11aに一体的に形成した後突部26,26により冷却器23の空気吸込側(前側)と吹出側(後側)とが連通しないよう構成されているから、前記吸込用空間S2から冷却室25に吸込まれた空気が、冷却器23に接触することなく吹出用空間S1に回り込むのを確実に防止し得る。これにより、室内空気を効率的に冷却して循環させることができ、収納室22の全体を効率的に冷却し得るものである。しかも、後突部26,26は内装11に一体的に形成したものであるから、部品点数が増えたり組立て工数が増えることはない。なお、冷却器23と第1遮蔽板31の平板部31aとの間には断熱部材30が配設されているから、該冷却器23の上部においても空気吸込側と吹出側とは連通しておらず、吸込用空間S2から冷却室25に吸込まれた空気の全ては冷却器25に接触して熱交換される。
【0024】
前記第1遮蔽板31の平板部31aは、前記後突部26および前突部28により前後方向の略全長に亘って支持されているから、該遮蔽板31は安定的に保持される。また両突部26,28は、内部側に突出して冷却室22の内部容積を小さくしているから、該冷却室22での冷却効率が良好となる。更に、内装11の内部には別部材が配設されないから、内部の清掃が容易となる利点もある。
【0025】
なお、実施例では断熱箱体の内部において、収納室が上側で冷却室が下側に画成された場合で説明したが、内装の凹溝が収納室と冷却室とに亘って形成されていれば、収納室を下側で冷却室を上側に画成したものであってもよい。また冷気の流れに関しては、実施例のように後側から前側に流れる構成とは逆に、前側から後側に流れる構成としてもよい。更には、内装の内側面に凹溝を形成して、冷気を左右の側面に沿って流れるよう構成することもできる。
【0026】
【発明の効果】
以上説明した如く、本発明に係る冷蔵庫によれば、冷却室に配設した冷却器の両側部において、内装の両内側面に一体的に形成した後突部により冷却器の空気吸込側と吹出側とを連通しないよう構成すると共に、断熱部材により冷却器の上部においても空気吸込側と吹出側とを連通しないよう構成したから、冷却室内において空気の回り込みを防ぐことができ、空気を効率的に冷却し得る。すなわち、室内空気を効率的に冷却して循環させることができ、収納室の全体を効率的に冷却し得る。しかも、後突部は内装に一体的に形成したものであるから、部品点数が増えたり組立て工数が増えることはない。また後突部の前側に同一上面レベルで前突部を連設し、両突部上に遮蔽部材を載置するようにしたから、該遮蔽部材はその前後方向の略全長に亘って支持されて安定的に保持される。更に両突部は、内部側に突出して冷却室の内部容積を小さくしているから、該冷却室での冷却効率が良好となる利点もある。
【0027】
また、前記収納室と冷却室とを連通する複数の凹溝を内装の内面に並列的に形成したので、該凹溝による整流効果によって冷気を収納室の全体に効率的に行き渡らせることができ、室内温度を均一にすることができる。しかも、凹溝の幅寸法を、凸部より幅広に設定してあるので、冷気の充分な循環量を確保することが可能である。
【0028】
前記棚網の幅寸法を、溝部の底面と同様に、前部側から後部側に向かうにつれて幅狭となるよう設定したので、溝部における下面の内部側への突出寸法を、その全長に亘って同一とすることができる。すなわち、下面の前側を大きく突出させる必要はないから、断熱箱体の開口部における有効広さが狭くなることはなく、内容積も小さくならない。しかも、棚網の両側部の全長を、溝部の底面側に近接する下面で支持し得るから、下面に加わるモーメントは小さく、強度を軽減し得る。更に、棚網の側端と溝部の底面とは、全長に亘って近接しているから、下面に載置された棚網が大きく移動するのは防止される。なお、棚網の幅寸法が前側から後側に向かうにつれて変化するので、該棚網を前後逆にした状態で溝部に載置することはできず、棚網の後部に配設したストッパが前側に臨む状態で配設されることを防ぐこともできる。
【0029】
また、棚網を位置決めするための溝部の後端を、内装における内後面より所定長さだけ前側に位置するよう設定したから、棚部材の後端と内後面との間に冷気通路を確保することができる。
【図面の簡単な説明】
【図1】 本発明の実施例に係る冷蔵ショーケースの横断平面図である。
【図2】 実施例の冷蔵ショーケースを一部切欠いて示す正面図である。
【図3】 実施例の冷蔵ショーケースを一部縦断して示す側面図である。
【図4】 実施例の冷蔵ショーケースにおける冷却室を示す要部縦断側面図である。
【図5】 実施例の冷蔵ショーケースにおいて遮蔽板を配設した状態で示す横断平面図である。
【図6】 実施例の内装を示す正面図である。
【図7】 実施例の棚網を示す平面図である。
【符号の説明】
11 内装,11a 内側面(内面),11b 内後面,12 外装
13 発泡断熱材,14 断熱箱体,22 収納室,23 冷却器
24 庫内ファン,25 冷却室,26 後突部,28 前突部
30 断熱部材,31 第1遮蔽板(遮蔽部材),34 凹溝,35 凸部
36 溝部,36a 底面,36b 下面,36c 後端,37 棚網(棚部材)
38 ストッパ
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a refrigerator in which a storage chamber and a cooling chamber are defined by a shielding member inside a heat insulating box.
[0002]
[Prior art]
Refrigerated showcases (refrigerators) that store and display food, beverages, and the like in a refrigerated state are favorably used in grocery stores and convenience stores. This refrigerated showcase circulates refrigerant from a storage room for display items such as food and beverages and a refrigeration mechanism inside a heat insulation box that is filled with foam insulation such as urethane between the interior and exterior. A cooler to be supplied and a cooling chamber in which the internal fan is housed are defined in a vertical relationship via a shielding plate. The shielding plate is formed with a suction port and an air outlet that communicate the storage chamber and the cooling chamber. By rotating the internal fan, the indoor air sucked into the cooling chamber from the suction port of the shielding plate is cooled with the cooling plate. After the cool air comes into contact with the container, the storage chamber is cooled by being blown into the storage chamber through the outlet of the shielding plate.
[0003]
[Problems to be solved by the invention]
In the refrigerated showcase in which the cooling chamber is defined in the lower part of the heat insulating box, the cold air cooled by the cooler is only blown out from the outlet provided in the shielding plate toward the storage chamber. The cold air is not efficiently guided to the upper part of the storage room, and the storage room is not uniformly cooled.
[0004]
In the cooling chamber, the air sucked into the cooling chamber from the suction port of the shielding plate is prevented from flowing out from the side of the cooler to the air blowing side and being blown into the storage chamber without being cooled. In addition, a member for preventing air from flowing in is separately provided. For this reason, it is pointed out that the number of parts increases and the cost increases, and the assembling man-hour increases and the assembling work takes time.
[0005]
In the refrigerated showcase, in order to arrange the shelf members for placing the display items in the storage chamber in a multi-stage manner, support portions are formed in a multi-stage manner so as to protrude from both the left and right inner surfaces of the interior. In this case, when the interior is formed of a resin vacuum molded product, the interior width of the interior is inevitably narrower than the front opening side. For this reason, with respect to the support portion on which the rectangular shelf member set to the width dimension corresponding to the interior dimension on the rear side of the interior is placed, the projecting dimension from the inner side surface increases from the rear side toward the front side. In this case, however, it is pointed out that the effective size of the front opening is narrowed by the protruding dimension of the support portion and the internal volume is also reduced. In addition, on the front side of the support portion, the shelf member is supported at a position away from the continuous base portion between the support portion and the inner side surface (projecting tip side), so the moment applied to the support portion is increased and the strength needs to be increased. is there.
[0006]
Furthermore, since the internal width dimension of the interior is narrower from the front side toward the rear side, the shelf member whose width dimension is set to correspond to the rear side internal width dimension is placed between the support portions. In this case, there is a drawback that a large gap is generated between the front side edge of the shelf member and the inner side surface of the interior, and the shelf member moves greatly.
[0007]
OBJECT OF THE INVENTION
SUMMARY OF THE INVENTION The present invention has been proposed to solve the above-mentioned drawbacks inherent in the prior art, and it is an object of the present invention to provide a refrigerator capable of efficiently cooling a storage room. And
[0008]
[Means for Solving the Problems]
In order to overcome the above problems and achieve the intended purpose, the refrigerator according to the present invention includes:
A storage chamber and a cooling chamber are defined through a shielding member inside a heat insulating box formed by filling a foam heat insulating material between the interior and exterior, and heat is exchanged by a cooler disposed in the cooling chamber. In the refrigerator configured to circulate the cool air made to the storage chamber via the internal fan disposed in the cooling chamber,
Extending to the vicinity of the corresponding side surface of the cooler disposed in a posture in which the suction side and the blowing side are oriented in the front-rear direction on the rear side of both inner side surfaces that define and oppose the cooling chamber in the interior; A rear protrusion is provided so that the suction side and the outlet side do not communicate with each other at the side of the cooler,
The upper surfaces of the two rear protrusions are set to be substantially the same level as the upper surface of the heat insulating member disposed on the upper surface of the cooler, so that the suction side and the outlet side do not communicate with each other at the upper portion of the cooler. The heat insulating member is positioned between the shielding member placed on both rear protrusions and the cooler .
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Next, a preferred embodiment of the refrigerator according to the present invention will be described below with reference to the accompanying drawings. As shown in FIGS. 2 and 3, a refrigerated showcase 10 as a refrigerator according to an embodiment includes a heat insulating box 14 in which a foam heat insulating material 13 such as urethane is filled between an interior 11 and an exterior 12, It is basically composed of a chassis 15 on which the box 14 is placed. A refrigeration mechanism 17 is housed in a machine room 16 defined inside the chassis 15. A rectangular opening 14a that opens to the front is formed in the front portion of the heat insulation box 14, and the inner peripheral upper portion and the lower portion of the opening 14a span the entire length in the width direction (left-right direction). Synthetic resin upper rail 18 and lower rail 19 are disposed correspondingly. A front door 20 and a rear door 21 are supported between the rails 18 and 19 so as to be slidable in the width direction, so that the opening 14a can be opened and closed.
[0011]
Inside the heat insulation box 14, that is, inside the interior 11, a storage chamber 22 for refrigeration of food, beverages and the like is defined above via a first shielding plate (shielding member) 31 described later. At the same time, a cooler 23 in which refrigerant is circulated and supplied from the refrigeration mechanism 17 and a cooling chamber 25 in which an internal fan 24 for circulating cold air is disposed are defined. In the cooling chamber 25, the cooler 23 is arranged in such a posture that the air suction side faces the front side and the air blowing side faces the rear side, and the internal fan 24 sucks air sucked from the front side. It is set to blow out (cold air) toward the rear side.
[0012]
The interior 11 is a resin vacuum-molded product, corresponding to the cooler 23 as shown in FIG. 1 on the rear side of the left and right inner surfaces (inner surfaces) 11a, 11a that define the cooling chamber 25 and face each other. The rear protrusions 26 and 26 extending to the vicinity of the left and right side surfaces are integrally formed, and at the side portion of the cooler 23, the suction side and the discharge side are not communicated with each other by the rear protrusions 26 and 26. It is. Both rear protrusions 26 and 26 extend to the inner rear surface (inner surface) 11b of the interior 11, and the rear protrusions 26 and 26 and the blower side (rear surface side) of the cooler 23 and the inner rear surface 11b A blowing space S 1 is defined. In the blowing space S 1 , the internal fan 24 is disposed via the mounting member 27, and cool air that has exchanged heat in contact with the cooler 23 is blown from the blowing space S 1 to the storage chamber 22. Configured to issue.
[0013]
On both inner side surfaces 11a, 11a at the lower part of the interior 11, front projecting portions 28, 28 projecting inward by a predetermined length shorter than the projecting dimension to the inner side of the rear projecting portions 26, 26 are rearward. The protrusions 26 and 26 are integrally connected so as to extend forward from the front side to a predetermined length. And the said cooler 23 is being fixed to the inner bottom face of the interior 11 which faces between both front protrusions 28 and 28 via the brackets 29 and 29 on either side. The upper surfaces of the rear protrusion 26 and the front protrusion 28 are set to be substantially at the same level as the upper surface of the heat insulating member 30 disposed on the upper surface of the cooler 23 (see FIG. 4). The first shielding plate 31 is detachably mounted between the protrusions 26, 26, 28, 28 (see FIG. 5). The front ends of the front protrusions 28 and 28 are set so as to be located on the rear side by a predetermined length from the front end of the interior 11.
[0014]
As shown in FIG. 5, the first shielding plate 31 includes a rectangular flat plate portion 31a, a vertical portion 31b bent downward at a right angle toward the front end of the flat plate portion 31a, and a rear portion of the flat plate portion 31a. It is basically composed of a horizontal protrusion 31d formed at the end and provided with a plurality of air outlets 31c. The first shielding plate 31 is configured such that the left and right end edges of the flat plate portion 31a are placed on the upper surfaces of the front and rear step portions 26 and 28 to define the storage chamber 22 and the cooling chamber 25. Yes. Further, as shown in FIG. 4, the vertical portion 31b of the first shielding plate 31 is set so as to be bent along the front ends of the front protrusions 28, 28 and extend to the inner bottom surface of the interior 11, and the vertical portion A suction space S 2 is defined between 31 b and the front and rear doors 20, 21. The vertical portion 31b, (partly shown in FIG. 2) a plurality of which inlet 31e is bored, and a suction space S 2 cooling chamber 25 which is defined by the first shielding plate 31 the It is comprised so that it may communicate via the suction inlet 31e.
[0015]
The upper portion of the suction space S 2 is closed by a second shielding plate 32. The second shielding plate 32, as shown in FIG. 4, bending a rectangular flat plate portion 32a which can substantially cover the upper part of the suction space S 2, diagonally downward front the front end of the plate portion 32a formed The inclined portion 32b and the vertical portion 32c bent downward at a right angle at the rear end of the flat plate portion 32a are basically configured. The open end of the inclined portion 32b is placed on the receiving portion 19a formed on the rear surface of the lower rail 19, and the plurality of notches 32d formed on the vertical portion 32c are replaced with the vertical portions 31b of the first shielding plate 31. The second shielding plate 32 is in a state in which the flat plate portion 32a has substantially the same level as the flat plate portion 31a of the first shielding plate 31 by engaging with the corresponding engagement protrusions 33 provided on the plate (see FIG. 2). Arranged. Further, as shown in FIG. 5, the flat plate portion 32a of the second shielding plate 32 is provided with a plurality of suction ports 32e, and the air in the storage chamber 22 is sucked into the suction ports 32e of the second shielding plate 32, It is configured to flow into the cooling chamber 25 through the suction space S 2 and the suction port 31 e of the first shielding plate 31.
[0016]
On the inner rear surface 11b of the interior 11, as shown in FIG. 6, a plurality of concave grooves 34 extending in the vertical direction are formed in parallel spaced apart in the width direction (left and right direction). Each concave groove 34 has an upper end extending to the vicinity of the upper portion of the storage chamber 22, and a lower end extending to the blowing space S 1 of the cooling chamber 25 defined by the first shielding plate 31. The storage chamber 22 and the cooling chamber 25 are configured to communicate with each other through the recessed groove 34. That is, when the internal fan 24 is rotated, the cold air that has exchanged heat in contact with the cooler 23 passes through the outlet space 31 of the first shielding plate 31 from the outlet space S 1 and the storage chamber 22. And is guided (rectified) toward the upper side of the storage chamber 22 through the plurality of concave grooves 34. Width of also recessed groove 34 is set wider than the projections 35 formed between the groove 34 and the groove 34 adjacent outlet space (cooling room 25) a number of blown out from the S 1 The cool air can be guided upward.
[0017]
As shown in FIG. 6, a plurality of grooves 36 that open to the inner side and extend in the front-rear direction are vertically spaced at predetermined intervals on both the left and right inner side surfaces 11a, 11a facing the storage chamber 22 in the interior 11. They are spaced apart. This groove portion 36 is integrally formed at the time of vacuum forming of the interior 11, and is a distance between the bottom surfaces (vertical surfaces) 36a, 36a which are the inner side surfaces 11a of the interior 11 in the groove portions 36, 36 facing left and right. Is narrower from the front side toward the rear side. Further, a shelf network (shelf member) 37 for arranging and placing display items (not shown) such as food and beverages between the lower surfaces 36b and 36b of the groove portions 36 and 36 facing left and right can be taken out freely. Placed. As shown in FIG. 3, the rear end 36c of each groove 36 is set so as to be positioned in front of the inner rear surface 11b of the interior 11 by a predetermined length.
[0018]
As shown in FIG. 7, the width dimension of the shelf network 37 is set so as to become narrower from the front side toward the rear side (front side width L 1 > rear side width L 2 ). Is placed between the lower surfaces 36b, 36b of the groove portions 36, 36, the left and right ends of the shelf network 37 and the bottom surfaces 36a, 36a of the groove portions 36, 36 are close to each other and face substantially parallel to each other. . Further, as shown in FIG. 2, the front and rear dimensions of the shelf network 37 are such that the front ends thereof are close to the rear surface of the rear door 21 with the rear ends thereof in contact with the rear ends 36c and 36c of the groove portions 36 and 36. Set to do. Furthermore, a stopper 38 is disposed at the rear end of the shelf network 37 so as to rise upward at a predetermined height and extend over the entire length in the width direction. The stopper 38 is placed on the shelf network 37. It functions to restrict the rearward movement of the displayed item and to secure the rear cool air passage W between the displayed item and the inner rear surface 11 b of the interior 11. In addition, the height dimension of each groove part 36 is set slightly larger than the height dimension of the shelf network 37 including the stopper 38. In the embodiment, the stopper 38 is not provided on the shelf network 37 located at the lowest level.
[0019]
[Effect of the embodiment]
Next, the operation of the refrigerated showcase according to the embodiment will be described. By placing the shelf network 37 between the lower surfaces 36b, 36b of the groove portions 36, 36 facing the left and right formed on the inner side surfaces 11a, 11a of the interior 11, a plurality of shelf networks 37 are placed in the storage chamber 22. Are arranged in multiple stages in the vertical direction. Then, the display items are placed on each shelf network 37 in a display state. At this time, even if the display item is placed on the entire surface of the shelf network 37, as shown in FIG. 3, the rear end of the shelf network 37 is located on the rear end 36c of the groove portion 36 located in front of the inner rear surface 11b of the interior 11. Since the stopper 38 is disposed at the rear of the shelf net 37, the rear cool air passage W is secured between the stopper 38 and the inner rear surface 11b.
[0020]
Further, the width dimension of the shelf network 37 is set so as to become narrower from the front side toward the rear side, similarly to the bottom surfaces 36a, 36a of the grooves 36, 36 for supporting the shelf network 37. The projecting dimension (the depth dimension of the groove part 36) of the groove parts 36 and 36 toward the inner side of the lower surfaces 36b and 36b can be the same over the entire length thereof. That is, since it is not necessary to project only the front side of the lower surface 36a, the effective area in the opening 14a of the heat insulating box 14 is not reduced, and the internal volume is not reduced. Moreover, since the entire length of both sides of the shelf network 37 can be supported by the lower surfaces 36b, 36b close to the bottom surfaces of the grooves 36, 36, the moment applied to the lower surfaces 36b, 36b is small, and the strength can be reduced. Furthermore, since the side edge of the shelf network 37 and the bottom surface 36a of the groove 36 are close to each other over the entire length, the shelf network 37 placed on the lower surfaces 36b and 36b is prevented from greatly moving. In addition, since the width dimension of the shelf network 37 changes from the front side to the rear side, the shelf network 37 cannot be placed in the grooves 36, 36 in the state where the shelf network 37 is reversed, and It is also possible to prevent the disposed stopper 38 from being disposed in a state of facing the front side.
[0021]
When rotating the in-compartment fan 24, the front side of the air in the storage chamber 22, after being sucked into the suction space S 2 from the suction port 32e of the second shield plate 32, the suction of the first shielding plate 31 The air is sucked into the cooling chamber 25 from the port 31e. The air comes into contact with the cooler 23 cooled by the refrigeration mechanism 17 and is cooled, and then the rear side of the storage chamber 22 from the blowout space S 1 through the outlet 31 c of the first shielding plate 31. Is blown out. The cool air blown out to the rear side of the room rises through a rear cool air passage W defined between the stopper 38 of the shelf network 37 and the inner rear surface 11b and is displayed on the shelf network 37. Cool down.
[0022]
A part of the cool air is guided upward along a plurality of concave grooves 34 formed on the inner rear surface 11 b of the interior 11, flows forward along the ceiling surface of the interior 11, and further flows into the doors 20 and 21. The cycle of flowing downward along the cooling chamber 25 is repeated. Since the lower end of the concave groove 34 extends to the cooling chamber 25, a rectifying effect of cold air can be expected, and the entire indoor space can be efficiently cooled by efficiently guiding the cold air to the upper part of the room. Moreover, since the width dimension of the concave groove 34 is set wider than that of the convex portion 35, a sufficient amount of cool air can be ensured. The convex portion 35 formed between the adjacent concave grooves 34, 34 is not as narrow as the reinforcing rib, and the height of the groove portion 36 is the height of the shelf network 37 including the stopper 38. Since it is set slightly larger than the dimension, there is an advantage that the molding conditions of the interior 11 are improved.
[0023]
On both sides of the cooler 23 disposed in the cooling chamber 25, as shown in FIG. 1, the rear protrusions 26, 26 formed integrally with the inner surfaces 11a, 11a of the interior 11 Since the air suction side (front side) and the blowout side (rear side) are configured not to communicate with each other, the air sucked into the cooling chamber 25 from the suction space S 2 is blown out without contacting the cooler 23. It can be surely prevented from entering the space S 1 . Thereby, indoor air can be efficiently cooled and circulated, and the whole storage chamber 22 can be efficiently cooled. In addition, since the rear protrusions 26 and 26 are formed integrally with the interior 11, there is no increase in the number of parts or assembly man-hours. In addition, since the heat insulation member 30 is arrange | positioned between the cooler 23 and the flat plate part 31a of the 1st shielding board 31, also in the upper part of this cooler 23, the air suction side and the blowing side are connected. In addition, all of the air sucked into the cooling chamber 25 from the suction space S 2 comes into contact with the cooler 25 and is subjected to heat exchange.
[0024]
Since the flat plate portion 31a of the first shielding plate 31 is supported by the rear projection 26 and the front projection 28 over substantially the entire length in the front-rear direction, the shielding plate 31 is stably held. Moreover, since both the protrusions 26 and 28 protrude to the inner side to reduce the internal volume of the cooling chamber 22, the cooling efficiency in the cooling chamber 22 is improved. Furthermore, since another member is not disposed inside the interior 11, there is an advantage that the inside can be easily cleaned.
[0025]
In the embodiment, the case where the storage chamber is defined on the upper side and the cooling chamber is defined on the lower side inside the heat insulating box has been described. However, the interior groove is formed between the storage chamber and the cooling chamber. In this case, the storage chamber may be defined on the lower side and the cooling chamber on the upper side. Further, regarding the flow of cool air, it may be configured to flow from the front side to the rear side, as opposed to the configuration flowing from the rear side to the front side as in the embodiment. Further, a concave groove may be formed on the inner side surface of the interior so that the cool air flows along the left and right side surfaces.
[0026]
【The invention's effect】
As described above, according to the refrigerator according to the present invention, the air suction side and the blowout of the cooler are formed on the both side portions of the cooler disposed in the cooling chamber by the rear protrusions integrally formed on both inner side surfaces of the interior. The air intake side and the blowout side are configured not to communicate with each other even in the upper part of the cooler by the heat insulating member. Can be cooled. That is, indoor air can be efficiently cooled and circulated, and the entire storage chamber can be efficiently cooled. Moreover, since the rear protrusion is formed integrally with the interior, the number of parts and assembly man-hours do not increase. In addition, since the front protrusions are connected to the front side of the rear protrusions at the same upper surface level and the shielding members are placed on both protrusions, the shielding members are supported over substantially the entire length in the front-rear direction. And stable. Furthermore, since both protrusions protrude to the inner side to reduce the internal volume of the cooling chamber, there is also an advantage that the cooling efficiency in the cooling chamber is improved.
[0027]
In addition, since the plurality of concave grooves that communicate the storage chamber and the cooling chamber are formed in parallel on the inner surface of the interior, it is possible to efficiently distribute the cold air throughout the storage chamber by the rectifying effect of the concave grooves. The room temperature can be made uniform. Moreover, since the width dimension of the concave groove is set wider than the convex portion, it is possible to ensure a sufficient amount of cool air circulation.
[0028]
Since the width dimension of the shelf network is set so as to become narrower from the front side toward the rear side, similarly to the bottom surface of the groove part, the protruding dimension to the inner side of the lower surface in the groove part extends over the entire length. Can be the same. That is, since it is not necessary to project the front side of the lower surface greatly, the effective area at the opening of the heat insulating box is not reduced, and the internal volume is not reduced. And since the full length of the both sides of a shelf net | network can be supported by the lower surface which adjoins the bottom face side of a groove part, the moment added to a lower surface is small, and intensity | strength can be reduced. Furthermore, since the side edge of the shelf network and the bottom surface of the groove portion are close to each other over the entire length, the shelf network placed on the lower surface is prevented from moving greatly. In addition, since the width dimension of the shelf network changes from the front side to the rear side, it cannot be placed in the groove portion with the shelf network reversed, and the stopper disposed at the rear of the shelf network is the front side. It can also be prevented that it is arranged in a state where it faces.
[0029]
In addition, since the rear end of the groove portion for positioning the shelf network is set to be located in front of the inner rear surface by a predetermined length in the interior, a cold air passage is secured between the rear end of the shelf member and the inner rear surface. be able to.
[Brief description of the drawings]
FIG. 1 is a cross-sectional plan view of a refrigerated showcase according to an embodiment of the present invention.
FIG. 2 is a front view showing the refrigerated showcase of the embodiment with a part cut away.
FIG. 3 is a side view showing a part of the refrigerated showcase of the embodiment in a longitudinal section.
FIG. 4 is a longitudinal sectional side view of a main part showing a cooling chamber in the refrigerated showcase of the embodiment.
FIG. 5 is a cross-sectional plan view showing a state in which a shielding plate is disposed in the refrigerated showcase of the embodiment.
FIG. 6 is a front view showing the interior of the example.
FIG. 7 is a plan view showing a shelf network according to an embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 11 Interior, 11a Inner side surface (inner surface), 11b Inner rear surface, 12 Exterior 13 Foam heat insulating material, 14 Heat insulation box, 22 Storage room, 23 Cooler 24 Internal fan, 25 Cooling chamber, 26 Rear protrusion, 28 Front protrusion Part 30 heat insulating member, 31 first shielding plate (shielding member), 34 concave groove, 35 convex part 36 groove part, 36a bottom surface, 36b bottom surface, 36c rear end, 37 shelf network (shelf member)
38 Stopper

Claims (7)

内装(11)と外装(12)との間に発泡断熱材(13)を充填してなる断熱箱体(14)の内部に、遮蔽部材(31)を介して収納室(22)と冷却室(25)とが画成され、前記冷却室(25)に配設した冷却器(23)により熱交換のなされた冷気を、該冷却室(25)に配設した庫内ファン(24)を介して収納室(22)に循環させるよう構成した冷蔵庫において、
前記内装 (11) における冷却室 (25) を画成して対向する両内側面 (11a,11a) の後部側に、吸込側と吹出側とが前後の向きとなる姿勢で配設された前記冷却器 (23) の対応する側面近傍まで延出し、該冷却器 (23) の側部において吸込側と吹出側とが連通しないようにする後突部 (26,26) を設け、
前記両後突部 (26,26) の上面を前記冷却器 (23) の上面に配設された断熱部材 (30) の上面と略同一レベルとなるよう設定し、該冷却器 (23) の上部において吸込側と吹出側とが連通しないように、両後突部 (26,26) に載置した前記遮蔽部材 (31) と冷却器 (23) との間に前記断熱部材 (30) を位置させた
ことを特徴とする冷蔵庫。
Inside the heat insulation box (14) formed by filling the foam insulation (13) between the interior (11) and the exterior (12), the storage chamber (22) and the cooling chamber via the shielding member (31) (25) is defined, and the cooler (23) disposed in the cooling chamber (25) is used to cool the air that has been exchanged with the internal fan (24) disposed in the cooling chamber (25). In the refrigerator configured to circulate to the storage room (22) through,
The suction side and the blowout side are arranged in a posture in which the suction side and the blowout side are oriented in the front-rear direction on the rear side of both inner side surfaces (11a, 11a) that define and define the cooling chamber (25 ) in the interior (11) . extend to the corresponding side surface near the cooler (23), projections (the 26, 26) provided after the side of the cooler (23) and the suction side and the outlet side so as not to communicate,
The set to be a top surface and substantially the same level of the upper surface disposed in the insulating member of the upper surface of the cooler (23) of the two rear projections (26, 26) (30), said condenser (23) The heat insulating member (30) is placed between the shielding member (31) and the cooler (23) placed on both rear protrusions (26, 26) so that the suction side and the blowout side do not communicate with each other at the upper part. A refrigerator characterized by being located .
前記両後突部Both rear protrusions (26,26)(26,26) の前側に、内装The front side of the interior (11)(11) の両内側面Both inside surfaces (11a,11a)(11a, 11a) から内部側に突出して前方に所定長さで延在する前突部A front protrusion that protrudes inward from the inside and extends forward by a predetermined length (28,28)(28,28) が連設され、前後の両突部Is connected to both front and rear projections (26,26,28,28)(26,26,28,28) 間に前記遮蔽部材Between the shielding members (31)(31) が載置されている請求項1記載の冷蔵庫。The refrigerator of Claim 1 in which is mounted. 前記内装The interior (11)(11) の内後面Inside rear (11b)(11b) に、前記収納室The storage room (22)(twenty two) から冷却室From cooling room (25)(twenty five) まで延在する複数の凹溝Multiple grooves extending to (34)(34) を並列に形成し、収納室Formed in parallel, storage room (22)(twenty two) と冷却室And cooling room (25)(twenty five) とを該凹溝And the groove (34)(34) を介して連通するよう構成した請求項1または2記載の冷蔵庫。The refrigerator according to claim 1, wherein the refrigerator is configured to communicate with each other. 前記凹溝Groove (34)(34) は、隣り合う凹溝Is the adjacent groove (34)(34) と凹溝And ditch (34)(34) との間に形成される凸部Convex part formed between (35)(35) より幅広に設定されている請求項3記載の冷蔵庫。The refrigerator according to claim 3, wherein the refrigerator is set wider. 前記内装(11)における収納室(22)に臨む対向する両内側面(11a,11a)に、内部側に開放して前後方向に延在する複数の溝部(36)を上下に離間して形成すると共に、対向する両溝部(36,36)における底面(36a,36a)の間隔は前側から後側に向かうにつれて幅狭となるよう設定され、対向する両溝部(36,36)の下面(36b,36b)間に、後部側に向かうにつれて幅狭となるよう設定した棚部材(37)を載置するようにした請求項1〜4の何れかに記載の冷蔵庫。A plurality of grooves (36) that open to the inner side and extend in the front-rear direction are formed on both inner side surfaces (11a, 11a) facing the storage chamber (22) in the interior (11) so as to be spaced apart vertically. In addition, the distance between the bottom surfaces (36a, 36a) of the opposing groove portions (36, 36) is set to become narrower from the front side toward the rear side, and the lower surface (36b) of the opposing groove portions (36, 36). , 36b), the refrigerator according to any one of claims 1 to 4, wherein a shelf member (37) set to become narrower toward the rear side is placed. 前記棚部材(37)の後部に上方に所定高さで立上がるストッパ(38)が配設され、前記溝部(36)の高さ寸法は、前記ストッパ(38)を含む棚部材(37)の高さ寸法より僅かに大きく設定される請求項5記載の冷蔵庫。  A stopper (38) rising upward at a predetermined height is disposed at the rear part of the shelf member (37), and the height dimension of the groove (36) is that of the shelf member (37) including the stopper (38). The refrigerator according to claim 5, wherein the refrigerator is set to be slightly larger than a height dimension. 前記溝部(36)の後端(36c)は、前記内装(11)における内後面(11b)より所定長さだけ前側に位置するよう設定され、前記棚部材(37)は、その後端を溝部(36)の後端(36c)に当接して位置決めされる請求項5または6記載の冷蔵庫。  The rear end (36c) of the groove portion (36) is set to be positioned at a front side by a predetermined length from the inner rear surface (11b) of the interior (11), and the shelf member (37) has a rear end at the groove portion ( The refrigerator according to claim 5 or 6, wherein the refrigerator is positioned in contact with the rear end (36c).
JP06087999A 1999-03-08 1999-03-08 refrigerator Expired - Fee Related JP3683432B2 (en)

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JP4583641B2 (en) * 2001-03-16 2010-11-17 ホシザキ電機株式会社 Cooling storage
JP4518692B2 (en) * 2001-03-23 2010-08-04 ホシザキ電機株式会社 Cooling storage

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