JP5300647B2 - refrigerator - Google Patents

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JP5300647B2
JP5300647B2 JP2009184852A JP2009184852A JP5300647B2 JP 5300647 B2 JP5300647 B2 JP 5300647B2 JP 2009184852 A JP2009184852 A JP 2009184852A JP 2009184852 A JP2009184852 A JP 2009184852A JP 5300647 B2 JP5300647 B2 JP 5300647B2
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door
seal
gasket
refrigerator
heat insulating
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JP2011038670A (en
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章弘 難波
淳二 吉田
博章 石川
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a refrigerator capable of reducing power consumption by improving cooling performance by reducing amounts of warm air and cold air flowing around in-storage components exposed to the outside air, while keeping sealability of a door. <P>SOLUTION: This refrigerator has a heat insulating housing opened at its front face, an internal partitioning section 5 having a metallic partition outer plate 51 at its front side and dividing the inside of the heat insulating housing, and the door 7 for opening and closing the divided front opening section, and a gasket 20 having a magnet 21 and a door inner face seal member 25 are disposed on an inner wall of the door 7. The door inner face seal member 25 is composed of a body section 26 mounted at an inner side of the door 7, and a plurality of seal pieces 30 suspended from the body section 26 at prescribed intervals. When the door 7 is closed, at least the seal piece 30 of the most depth section is positioned at a depth side with respect to the metallic partition outer plate 51 of the internal partitioning section 5, and a clearance gap g is formed between lower ends of the plurality of seal pieces 30 and a top face of the internal partitioning section 5. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

本発明は冷蔵庫に係り、より詳しくは、外部の熱が扉の周辺から庫内へ侵入するのを防止するようにした冷蔵庫に関するものである。   The present invention relates to a refrigerator, and more particularly, to a refrigerator in which external heat is prevented from entering the interior from the vicinity of a door.

冷蔵庫は、通常、前面が開口された断熱箱体内を複数の庫内仕切部で区画し、前面開口部に開閉式や引出し式の扉を設け、これらによって囲まれた領域に貯蔵室、冷凍室、野菜室などが形成されており、庫内仕切部の前面開口部側には、扉のガスケットに設けたマグネットが吸着して密閉するための金属仕切外板が設けられている。   Refrigerators usually divide the inside of a heat-insulated box whose front is opened by a plurality of compartment partitions, and are provided with an openable and pull-out type door at the front opening, and a storage room and a freezer in the area surrounded by these A vegetable compartment is formed, and a metal partition outer plate for adsorbing and sealing a magnet provided on the door gasket is provided on the front opening side of the internal partition.

このような冷蔵庫において、扉を閉じたときに上下の扉の間にすき間が形成されて金属仕切外板が露出するため、この金属仕切外板に外気が接触してその熱が庫内仕切部を介して庫内に伝達され、また、庫内の冷気が庫内仕切部を介して外部に漏れるため、庫内の冷却性能が低下し、消費電力が増加するなどの問題があった。   In such a refrigerator, when the door is closed, a gap is formed between the upper and lower doors, and the metal partition outer plate is exposed. In addition, since the cool air in the warehouse leaks to the outside through the interior partition, there is a problem that the cooling performance inside the warehouse is lowered and the power consumption is increased.

従来の冷蔵庫に、扉の庫内側の上部壁面と下部壁面に、硬質プラスチックと軟質プラスチックを一体成形してなる遮蔽板を設け、この遮蔽板の軟質プラスチックで形成された先端部が扉を閉じたときに、庫内側の仕切り板の内壁面で、かつホットガスパイプの埋立位置よりも奥の内壁面に当接するようにして、冷却性能を高め消費電力を低減するようにしたものがある(例えば、特許文献1参照)。   A conventional refrigerator is provided with a shielding plate formed by integrally molding a hard plastic and a soft plastic on the upper wall surface and the lower wall surface inside the door cabinet, and the front end portion of the shielding plate made of soft plastic closes the door. Sometimes, the inner wall surface of the partition plate inside the warehouse and the inner wall surface deeper than the landfill position of the hot gas pipe, to improve cooling performance and reduce power consumption (for example, Patent Document 1).

特開平10−122730号公報(第5頁、図1)JP-A-10-122730 (5th page, FIG. 1)

特許文献1の冷蔵庫によれば、遮蔽板の軟質プラスチックで形成された先端部が、扉を閉じるときに上下の仕切り板に摺接しながら移動するため、扉を閉じる際、遮蔽板の摺接によって異常音が発生したり、摺接によるブレーキ作用によって、扉に設けたマグネットパッキンの仕切り板への密着力の低下を招き、扉の密閉不良の原因になるという問題があった。   According to the refrigerator of Patent Document 1, the tip of the shielding plate made of soft plastic moves while sliding on the upper and lower partition plates when closing the door. There has been a problem that abnormal noise is generated or the braking action by sliding contact causes a decrease in the adhesion force of the magnetic packing provided on the door to the partition plate, resulting in poor sealing of the door.

このような問題は、冷蔵庫量産時における組立状態のバラツキによってさらに著しくなり、場合によっては遮蔽板の先端部が仕切り板の前面部に引き掛り、扉を完全に閉じることができなくなるという重大な結果が生じるおそれがある。   Such a problem becomes more serious due to variations in the assembly state during mass production of the refrigerator, and in some cases, the leading edge of the shielding plate is caught on the front surface of the partition plate, making it impossible to completely close the door. May occur.

本発明は、上記の課題を解決するためになされたもので、扉の密閉性を維持したままの状態で、外気に触れる庫内側部材の近辺に流れる暖気量及び冷気量を減少させて冷却性能を高め、消費電力を低減することのできる冷蔵庫を提供することを目的としたものである。   The present invention has been made in order to solve the above-described problems, and reduces the amount of warm air and cold air flowing in the vicinity of the inner member that touches the outside air while maintaining the sealing performance of the door, thereby reducing the cooling performance. The purpose is to provide a refrigerator that can improve power consumption and reduce power consumption.

本発明に係る冷蔵庫は、前面が開口された断熱箱体と、前面側に金属仕切外板を有し前記断熱箱体内を区画する庫内仕切り部と、前記区画された前面開口部を開閉する扉とを有し、該扉の内壁にマグネットを有するガスケット及び扉内面シール部材を設けてなり、前記扉内面シール部材を、前記扉の庫内側に取付けられる本体部と、該本体部から所定の間隔で垂下する複数のシール片とによって構成し、前記扉を閉じたときは、少なくとも最奥部のシール片が前記庫内仕切部の金属仕切外板より奥側に位置すると共に、前記複数のシール片の下端部と前記庫内仕切部の上面との間にすき間が形成されるように構成し、前記扉内面シール部材を、硬質プラスチックからなり扉への取付部及び該取付部の庫内側に設けられて断熱空間が形成されたシール突部からなる本体部と、軟質プラスチックからなり前記本体部から所定の間隔で垂下し断熱空間が形成された複数のシール片とを一体に形成して構成したものである。 A refrigerator according to the present invention opens and closes a heat insulating box having a front surface opened, an internal partition having a metal partition outer plate on the front side and dividing the heat insulating box, and the partitioned front opening. A door and a gasket having a magnet on the inner wall of the door and a door inner surface sealing member, and the door inner surface sealing member is attached to the inner side of the door, and a predetermined amount from the main body portion. When the door is closed, at least the innermost seal piece is positioned on the back side of the metal partition outer plate of the internal partition part, and the plurality of seal pieces are suspended at intervals. A gap is formed between the lower end of the seal piece and the upper surface of the inner partition, and the door inner surface sealing member is made of hard plastic and is attached to the door and the inner side of the mounting Insulated space was formed A body portion consisting Lumpur projection, which is constituted by forming integrally a plurality of sealing pieces insulation space suspended at a predetermined interval from the main body consists of soft plastic is formed.

本発明によれば、外気に触れる庫内側部材に流れる暖気及び冷気を減らすことができるので、冷却性能が高く消費電力を低減することができ、また、扉の開閉の際に異常音が発生することのない冷蔵庫を得ることができる。   According to the present invention, it is possible to reduce warm air and cold air flowing through the inside member that comes into contact with the outside air, so that the cooling performance is high and power consumption can be reduced, and abnormal noise is generated when the door is opened and closed. A refrigerator can be obtained.

本発明の実施の形態1に係る冷蔵庫の冷凍室及びその周辺の説明図である。It is explanatory drawing of the freezer compartment of the refrigerator which concerns on Embodiment 1 of this invention, and its periphery. 図1の要部の説明図である。It is explanatory drawing of the principal part of FIG. 図2の庫内面シール部材の斜視図である。It is a perspective view of the warehouse inner surface sealing member of FIG. 本発明の実施の形態2に係る冷蔵庫の冷凍室の要部の説明図である。It is explanatory drawing of the principal part of the freezer compartment of the refrigerator which concerns on Embodiment 2 of this invention. 本発明の実施の形態3に係る冷蔵庫の冷凍室の要部の説明図である。It is explanatory drawing of the principal part of the freezer compartment of the refrigerator which concerns on Embodiment 3 of this invention. 図5の庫内面シール部材の斜視図である。It is a perspective view of the warehouse inner surface sealing member of FIG. 本発明の実施の形態4に係る冷蔵庫の冷凍室の要部の説明図である。It is explanatory drawing of the principal part of the freezer compartment of the refrigerator which concerns on Embodiment 4 of this invention.

[実施の形態1]
図1は本発明の実施の形態1に係る冷蔵庫の冷凍室及びその周辺の説明図、図2は図1の要部の拡大図である。
図1に示すように、断熱箱体からなる冷蔵庫本体1内には、内部に断熱材3が充填された背面板2、左右の側板(図示せず)及び背面板2と一体に形成された上下の庫内仕切部4,5に囲まれて、前面が開口された冷凍室6が設けられており、前面開口部には内部に断熱材3が充填された引出し式の扉7が設けられている。また、冷凍室6の上下には、例えば、引出し式の扉8,9を有する冷蔵室及び野菜室が設けられている(以下、主として冷凍室6について説明する)。
[Embodiment 1]
FIG. 1 is an explanatory diagram of a freezer compartment and its surroundings of a refrigerator according to Embodiment 1 of the present invention, and FIG. 2 is an enlarged view of a main part of FIG.
As shown in FIG. 1, a refrigerator main body 1 made of a heat insulating box is integrally formed with a back plate 2, left and right side plates (not shown) filled with a heat insulating material 3, and the back plate 2. A freezer compartment 6 having a front opening is provided between the upper and lower internal partition parts 4 and 5, and a drawer-type door 7 filled with a heat insulating material 3 is provided in the front opening. ing. In addition, for example, a refrigerator room and a vegetable room having drawer-type doors 8 and 9 are provided above and below the freezer room 6 (hereinafter, the freezer room 6 will be mainly described).

12は冷凍室6との間に隔壁13を隔てて背面板2に設けた冷気通路で、蒸発器14が設置されており、隔壁13には蒸発器14の上下に開口する冷気吹出し口15a及び冷気戻り口15bが設けられている。16は冷気吹出し口15aに対向して冷気通路12に設けた送風機である。17は蒸発器14の下部に設けたドレン受けで、パッキンを介してドレン継手18に接続され、蒸発器14の霜取り等によって発生した水分を回収し、冷蔵庫本体1外へ排出する。19は冷凍室6に出し入れ自在に収容されたケースで、貯蔵物を収納して冷却する。   12 is a cool air passage provided in the back plate 2 with a partition wall 13 between the freezer compartment 6, and an evaporator 14 is installed in the partition wall 13, and a cool air outlet 15 a that opens above and below the evaporator 14 and A cold air return port 15b is provided. Reference numeral 16 denotes a blower provided in the cold air passage 12 so as to face the cold air outlet 15a. A drain receiver 17 is provided at the lower part of the evaporator 14 and is connected to a drain joint 18 via a packing to collect moisture generated by defrosting of the evaporator 14 and discharge it to the outside of the refrigerator main body 1. Reference numeral 19 denotes a case which is accommodated in the freezer compartment 6 so as to be freely inserted and removed, and accommodates stored items to be cooled.

扉7の内壁面の上下には、図面の垂直方向(以下、幅方向という)に庫内側に向って水平に延設された突出部71,72が設けられており、突出部71の上部と突出部72の下部にはそれぞれガスケット20が設けられ、下部の突出部72には、扉内面シール部材25が取付けられている。   On the upper and lower sides of the inner wall surface of the door 7, there are provided projecting portions 71 and 72 extending horizontally toward the inner side in the vertical direction (hereinafter referred to as the width direction) of the drawing, The gasket 20 is provided at the lower part of the projecting part 72, and the door inner surface sealing member 25 is attached to the lower projecting part 72.

上記のように構成した冷凍室6において、蒸発器14で冷却された冷気は、送風ファン16により冷気通路12を通り、矢印で示すように冷気吹出し口15aから冷凍室6に送り込まれる。冷凍室6に送り込まれた冷気の一部はケース19内に流れてケース19内の貯蔵物を冷却する。そして、冷気は冷凍室6内全域を循環したのち冷気戻り口15bに流入し、蒸発器14の下方へ戻る。   In the freezer compartment 6 configured as described above, the cold air cooled by the evaporator 14 passes through the cold air passage 12 by the blower fan 16 and is sent into the freezer compartment 6 from the cold air outlet 15a as indicated by an arrow. A part of the cool air sent into the freezer compartment 6 flows into the case 19 and cools the stored items in the case 19. The cool air circulates in the entire freezer compartment 6 and then flows into the cool air return port 15 b and returns to the lower side of the evaporator 14.

次に、図2により扉7及び庫内仕切部4,5について説明する。なお、庫内仕切部4,5は同じ構造なので、以下、庫内仕切部5について説明する。
庫内仕切部5は、前面側(扉7側)の幅方向に配設された磁性材からなる断面コ字状の金属仕切外板51と、一端が金属仕切外板51のフランジ51aの上下にそれぞれ重ねて配設されたプラスチック仕切外板52a,52bと、これら金属仕切外板51とプラスチック仕切外板52a,52bで囲まれた空間部に充填された断熱材3とからなっている。
Next, the door 7 and the internal partition parts 4 and 5 will be described with reference to FIG. In addition, since the internal partition parts 4 and 5 are the same structures, the internal partition part 5 is demonstrated below.
The internal partition section 5 includes a metal partition outer plate 51 having a U-shaped cross section made of a magnetic material disposed in the width direction on the front side (door 7 side), and one end at the top and bottom of the flange 51a of the metal partition outer plate 51. And the heat insulating material 3 filled in the space surrounded by the metal partition outer plate 51 and the plastic partition outer plates 52a and 52b.

20は扉7の内壁に設けた突出部71,72の上部及び下部において、幅方向に設けた凹溝73に圧入して固定されたガスケットで、例えばポリ塩化ビニールからなり、その庫内側には、扉7を閉じたときに庫内仕切部5の金属仕切外板51に吸着されるマグネット21が設けられている。   Reference numeral 20 denotes a gasket that is press-fitted and fixed in a concave groove 73 provided in the width direction at the upper and lower portions of the projecting portions 71 and 72 provided on the inner wall of the door 7, and is made of, for example, polyvinyl chloride. A magnet 21 is provided that is attracted to the metal partition outer plate 51 of the internal partition 5 when the door 7 is closed.

25は幅方向に長い扉内面シール材で、図3に示すように、硬質プラスチックからなる本体部26と、軟質プラスチックからなる複数のシール片30a,30b,30c,30d(以下、単に30と記すことがある)とを一体成形したものである。そして、本体部26は、ほぼC字状に形成されて扉7の突出部72に嵌合固定される取付部27と、この取付部27の庫内側に設けられて突出部断熱空間29を形成すると共に、シール片30の形状を保持するための断面四角形状のシール突出部28とからなっている。   Reference numeral 25 denotes a door inner seal material that is long in the width direction. As shown in FIG. 3, a main body portion 26 made of hard plastic and a plurality of seal pieces 30a, 30b, 30c, 30d made of soft plastic (hereinafter simply referred to as 30). In some cases. The main body 26 is formed in a substantially C shape and is fitted and fixed to the protruding portion 72 of the door 7, and the protruding portion heat insulating space 29 is formed inside the mounting portion 27. In addition, the seal protrusion 30 has a quadrangular section for holding the shape of the seal piece 30.

そして、本体部26の下部には、前後方向にほぼ等間隔で垂下した複数のシール片30a〜30dが設けられており、これらシール片30a〜30dの間にはシール片断熱空間31a,31b,31c(以下、これらを単に31と記すことがある)が形成されている。
上記のように構成した庫内面シール材25は、図2に示すように、その取付部27が扉7の突出部72に嵌合され、固定される。
And in the lower part of the main-body part 26, the some seal piece 30a-30d suspended at the substantially equal interval in the front-back direction is provided, and seal piece heat insulation space 31a, 31b, between these seal pieces 30a-30d, 31c (hereinafter, these may be simply referred to as 31) is formed.
As shown in FIG. 2, the inner surface sealing material 25 configured as described above is fitted and fixed to the protruding portion 72 of the door 7.

次に、上記のように構成した本実施の形態の作用を説明する。
冷凍室6の扉7を閉じると、ガスケット20に設けたマグネット21が庫内仕切部5の金属仕切外板51に吸着されて密着し、冷凍室6の気密が確保される。
Next, the operation of the present embodiment configured as described above will be described.
When the door 7 of the freezer compartment 6 is closed, the magnet 21 provided on the gasket 20 is attracted and adhered to the metal partition outer plate 51 of the internal partition 5 to ensure the airtightness of the freezer compartment 6.

このとき、扉内面シール部材25のシール片30は庫内仕切部5側に垂下し、このうち最も奥に位置しているシール片30aは、少なくとも金属仕切外板51のフランジ51aの端部より奥側に位置している(例えば、金属仕切外板51のフランジ51aの前後方向の幅の2倍程度奥側)。なお、このとき、最も扉7側に位置するシール片30dとガスケット20との間には、シール片断熱空間31dが形成される。
また、シール片30の下端部は、庫内仕切部5の上面と接触しない程度のすき間g(例えば、3mm程度)を隔てて対峙し、このすき間gにより対流路32が形成される。
At this time, the seal piece 30 of the door inner surface seal member 25 hangs down to the inner partition part 5 side, and the seal piece 30a located deepest among these is at least from the end of the flange 51a of the metal partition outer plate 51. It is located on the back side (for example, the back side about twice the width in the front-rear direction of the flange 51a of the metal partition outer plate 51). At this time, a seal piece heat insulating space 31d is formed between the seal piece 30d located closest to the door 7 and the gasket 20.
Further, the lower end portion of the seal piece 30 faces a gap g (for example, about 3 mm) that does not come into contact with the upper surface of the internal partition 5, and the counter flow path 32 is formed by the gap g.

そして、扉7を閉じたときに、扉内面シール部材25のシール片30によって形成されたシール片断熱空間31に存在する空気が、ガスケット20や仕切り片5の金属仕切外板51等から伝わる外気熱によって暖められ、暖気となって対流路32の上方を通り、冷凍室6内に流入する。一方、この暖気と入れ替って、冷凍室6内の冷気が対流路32の下方を通ってシール片断熱空間31に流入し、金属仕切外板51を冷却する。
冷蔵庫においては、この暖気と冷気の入れ替わりが、冷却効率を左右する。
Then, when the door 7 is closed, the air present in the seal piece heat insulating space 31 formed by the seal piece 30 of the door inner surface seal member 25 is transmitted from the gasket 20 or the metal partition outer plate 51 of the partition piece 5 or the like. It is warmed by heat, becomes warm air, passes above the counter flow path 32, and flows into the freezer compartment 6. On the other hand, in place of this warm air, the cool air in the freezer compartment 6 flows under the convection channel 32 and flows into the seal piece heat insulating space 31 to cool the metal partition outer plate 51.
In the refrigerator, this change in warm air and cold air affects the cooling efficiency.

本実施の形態においては、扉内面シール部材25の奥側に位置するシール片30aを、金属仕切外板51のフランジ51aより、例えば、フランジ51aの前後方向の幅の2倍程度奥側に位置させたので、外気に離れている金属仕切外板51に近いため暖まり易いシール片断熱空間31d,31cの空気を、金属仕切外板51のフランジ51aより奥側に位置するシール片断熱空間31a,31b内の空気(冷気)により冷却して、対流路32から冷凍室6内に流入する暖気を減少させることができる。   In the present embodiment, the seal piece 30a located on the back side of the door inner surface seal member 25 is located on the back side of the flange 51a of the metal partition outer plate 51, for example, about twice the width in the front-rear direction of the flange 51a. Since it is made to be close to the metal partition outer plate 51 that is separated from the outside air, the air in the seal piece heat insulating spaces 31d and 31c that are easy to warm is placed on the back side of the flange 51a of the metal partition outer plate 51. The warm air flowing into the freezer compartment 6 from the counter flow path 32 can be reduced by cooling with air (cold air) in 31b.

また、冷凍室6から流出した冷気による金属仕切外板51の冷却作用が減少するため、金属仕切外板51の外気に触れる部分の結露の発生を抑制することができる。なお、図には扉内面シール部材25のシール片30を4枚設けた場合を示したが、これを増加することにより、上記の効果をさらに高めることができる。   Moreover, since the cooling effect | action of the metal partition outer plate 51 by the cold air which flowed out from the freezer compartment 6 reduces, generation | occurrence | production of the dew condensation of the part which touches the external air of the metal partition outer plate 51 can be suppressed. In addition, although the figure showed the case where the four sealing pieces 30 of the door inner surface sealing member 25 were provided, said effect can further be heightened by increasing this.

さらに、扉内面シール部材25のシール突出部28によって突出部断熱空間29を形成したので、ガスケット20や金属仕切外板51等から伝わる外気熱を、奥側のシール片31b,31aから突出部断熱空間29に伝播させることにより、冷凍室6へ伝達される外気熱を低減することができる。   Further, since the protruding portion heat insulating space 29 is formed by the seal protruding portion 28 of the door inner surface sealing member 25, the outside air heat transmitted from the gasket 20, the metal partition outer plate 51, etc. is insulated from the rear seal pieces 31b, 31a. By propagating to the space 29, the outside heat transferred to the freezer compartment 6 can be reduced.

また、扉7を閉じたときに、扉内面シール部材25のシール片30の下端部と、庫内仕切部5の上面との間にある程度の余裕を持つようなすき間g(例えば、3mm程度)を設けたので、ケース19内に多量の貯蔵物を収納したり、冷蔵庫量産時のバラツキなどにより、シール片30と庫内仕切部5の上面との間のすき間gが変動しても、扉7を閉じるときに、シール片30が庫内仕切部5に接触することがなく、このため、ガスケット20に設けたマグネット21の金属仕切外板51への吸着性を損うことがない。また、接触摩擦による異常音の発生や摩耗等が生ずることもない。   Further, when the door 7 is closed, a gap g (for example, about 3 mm) that has a certain margin between the lower end portion of the seal piece 30 of the door inner surface seal member 25 and the upper surface of the internal partition portion 5. Even if the gap g between the seal piece 30 and the upper surface of the internal partition 5 varies due to a large amount of stored items stored in the case 19 or due to variations during mass production of the refrigerator, the door When closing 7, the seal piece 30 does not come into contact with the internal partition 5, and therefore the adsorbability of the magnet 21 provided on the gasket 20 to the metal partition outer plate 51 is not impaired. Moreover, there is no occurrence of abnormal noise or wear due to contact friction.

また、扉内面シール部材25のシール片30は、軟質プラスチックで形成して柔軟性をもたせてあるので、扉7を閉じるときに万一庫内側の部材等に当っても、シール片30自体が弾性変形して接触時の衝撃を吸収するため、シール片30や庫内部材の破損を防止することができる。   Further, since the seal piece 30 of the door inner surface seal member 25 is made of soft plastic and has flexibility, even if the door 7 is closed, the seal piece 30 itself is not damaged. Since it is elastically deformed and absorbs an impact at the time of contact, it is possible to prevent damage to the seal piece 30 and the internal member.

[実施の形態2]
図4は本発明の実施の形態2に係る冷蔵庫の冷凍室及びその周辺の説明図である。なお、実施の形態1と同一又は同じような機能の部分には、これと同じ符号を付してある。
本実施の形態は、実施の形態1の扉7の突出部72に取付けた庫内面シール部材25において、シール片30a〜30dの下端部をこれと同じ材料からなる薄いシール板33で連結し、シール片30a〜30dの間に密閉断熱空間34a,34b,34cを形成すると共に、シール板33と庫内仕切部5の上面との間に形成されたすき間g(例えば、3mm程度)により、対流路32aを形成したものである。
[Embodiment 2]
FIG. 4 is an explanatory diagram of the freezer compartment of the refrigerator and its surroundings according to Embodiment 2 of the present invention. Parts having the same or similar functions as those in the first embodiment are denoted by the same reference numerals.
In this embodiment, in the warehouse inner surface seal member 25 attached to the protruding portion 72 of the door 7 of the first embodiment, the lower end portions of the seal pieces 30a to 30d are connected by a thin seal plate 33 made of the same material as this, The sealed heat insulating spaces 34a, 34b, and 34c are formed between the seal pieces 30a to 30d, and convection is generated by a gap g (for example, about 3 mm) formed between the seal plate 33 and the upper surface of the internal partition 5. A path 32a is formed.

そして、扉7の突出部72、ガスケット20、扉内面シール部材25、シール板33、金属仕切外板51及びプラスチック仕切外板52aのそれぞれの接触又は近接する領域に、冷凍室6から区画されたガスケット断熱空間35が形成される。   And it was divided from the freezer compartment 6 in the area which the projection part 72 of the door 7, the gasket 20, the door inner surface sealing member 25, the sealing plate 33, the metal partition outer plate 51, and the plastic partition outer plate 52a contact or approach each other. A gasket heat insulation space 35 is formed.

本実施の形態の作用、効果は実施の形態1の場合とほぼ同様であるが、扉7を閉じたときに、扉内面シール部材25のシール片30にシール板33が設けられているので、対流路32aの流体抵抗が増加して対流路32aを流れる暖気の流速を低下させるため、ガスケット断熱空間35の暖気が冷凍室6へ流入する量を減らすことができる。   The operation and effect of the present embodiment are almost the same as those of the first embodiment, but when the door 7 is closed, the seal plate 33 is provided on the seal piece 30 of the door inner surface seal member 25. Since the fluid resistance of the convection channel 32a increases and the flow velocity of the warm air flowing through the convection channel 32a is reduced, the amount of warm air in the gasket heat insulation space 35 flowing into the freezer compartment 6 can be reduced.

また、ガスケット断熱空間35からシール板33を伝わって伝播する熱を、シール片断熱空間34c,34b,34a及び突出部断熱空間29へ留めることにより、冷凍室6へ伝導される熱を低減することができる。なお、図には、シール片30とシール板33とによって形成されたシール片断熱空間34a〜34cを3個設けた場合を示したが、この数を増加することにより、上記の効果をさらに高めることができる。   Further, the heat transmitted from the gasket heat insulation space 35 through the seal plate 33 is kept in the seal piece heat insulation spaces 34c, 34b, 34a and the protrusion heat insulation space 29, thereby reducing the heat conducted to the freezer compartment 6. Can do. In addition, although the figure showed the case where three seal piece heat insulation spaces 34a-34c formed by the seal piece 30 and the seal plate 33 were provided, the above effect is further enhanced by increasing this number. be able to.

[実施の形態3]
図5は本発明の実施の形態3に係る冷蔵庫の冷凍室及びその周辺の要部の説明図である。なお、実施の形態1と同一又は同じような機能の部分には、これと同じ符号が付してある。
本実施の形態は、実施の形態1の扉7の突出部72に取付けた扉内面シール部材25のシール片36を、図6に示すように、奥側のシール片36aと扉7側のシール片36dは下端部を互いに内側に折り曲げてほぼL字状に形成し、これらの間に設けたシール片36b,36cはほぼ逆T字状に形成して、隣接するシール片36a〜36dの先端部の間に、それぞれスリット状の僅かなすき間g1(例えば、1mm程度のすき間)を設けたものである。
[Embodiment 3]
FIG. 5 is an explanatory view of the freezer compartment of the refrigerator according to Embodiment 3 of the present invention and the main parts around it. Parts having the same or similar functions as those in the first embodiment are denoted by the same reference numerals.
In this embodiment, as shown in FIG. 6, the seal piece 36 of the door inner surface seal member 25 attached to the protrusion 72 of the door 7 of the first embodiment is replaced with the seal piece 36a on the back side and the seal on the door 7 side. The piece 36d is formed in a substantially L shape by bending its lower end inwardly, and the seal pieces 36b and 36c provided between them are formed in a substantially inverted T shape, and the tips of the adjacent seal pieces 36a to 36d are formed. A slit-shaped slight gap g 1 (for example, a gap of about 1 mm) is provided between the portions.

換言すれば、実施の形態2のシール板33の各シール片30a〜30dの間に、シール片30a〜30dに沿ってスリットを設けたもので以下、このシール片36の下の部分をシール区切り部38という。
そして、シール片36a〜36dの間にはシール片断熱空間37a〜37cが形成され、また、実施の形態2の場合と同様に、ガスケット20と扉内面シール部材25の扉7側のシール片36dとの間には、ガスケット断熱空間35が形成されており、また、扉内面シール部材25のシール区切り部28と、庫内仕切部5の上面との間に形成されたすき間gにより、対流路32bが形成されている。
In other words, slits are provided along the seal pieces 30a to 30d between the seal pieces 30a to 30d of the seal plate 33 according to the second embodiment. It is called part 38.
Seal piece insulation spaces 37a to 37c are formed between the seal pieces 36a to 36d, and the seal piece 36d on the door 7 side of the gasket 20 and the door inner surface seal member 25 is formed as in the second embodiment. Gasket heat insulating space 35 is formed between the two and the gap g formed between the seal partitioning portion 28 of the door inner surface sealing member 25 and the upper surface of the internal partitioning portion 5. 32b is formed.

本実施の形態の作用、効果は、実施の形態1の場合とほぼ同様であるが、さらに、扉7を閉じたときに、扉内面シール部材25のシール片36にシール区切り部38が設けられているので、壁面の流体抵抗が増加して対流路32bにおける暖気の流速を低下させ、断熱空間35の暖気が冷凍室6へ流出する量を減らすことができる。   The operation and effect of the present embodiment are almost the same as those of the first embodiment. Further, when the door 7 is closed, a seal partitioning portion 38 is provided on the seal piece 36 of the door inner surface seal member 25. Therefore, the fluid resistance of the wall surface increases, the flow rate of warm air in the counter flow path 32b is reduced, and the amount of warm air in the heat insulating space 35 flowing out to the freezer compartment 6 can be reduced.

また、断熱空間35から対流路32bを上部を通って冷凍室6へ向う暖気の一部が、シール区切り部38のすき間g1を通ってシール片断熱空間37a〜37cへ流れ込み、これをシール片断熱空間37a〜37cに留めることにより、冷凍室6へ伝播する熱をさらに低減することができる。なお、図には、シール片36を4枚設けた場合を示したが、これを増加することにより上記の効果をさらに高めることができる。 A part of the warm air toward the heat-insulating space 35 into the freezer compartment 6 a convection path 32b through the upper flows through the gap g 1 of the seal delimiting portion 38 to seal pieces insulation space 37 a - 37 c, which seal strip By staying in the heat insulating spaces 37a to 37c, the heat transmitted to the freezer compartment 6 can be further reduced. Although the figure shows a case where four seal pieces 36 are provided, the above effect can be further enhanced by increasing this number.

[実施の形態4]
図7は本発明の実施の形態4に係る冷蔵庫の冷凍室及びその周辺の要部の説明図である。なお、実施の形態1と同一又は同じような機能の部分には、これと同じ符号が付してある。
本実施の形態は、扉7の内壁の下部に設けたガスケット20の庫内側に、庫内側に向ってほぼ水平に延設された断面長方形状のガスケット突出部40を設けたものである。
[Embodiment 4]
FIG. 7 is an explanatory diagram of the freezer compartment of the refrigerator according to Embodiment 4 of the present invention and the main parts around it. Parts having the same or similar functions as those in the first embodiment are denoted by the same reference numerals.
In the present embodiment, a gasket protrusion 40 having a rectangular cross section extending substantially horizontally toward the inner side of the gasket 20 provided in the lower portion of the inner wall of the door 7 is provided.

このガスケット突出部40は、内部が仕切り片41a,41bによって区画された複数の断熱空間42a,42b,42cが形成されており、ガスケット20を扉7の凹溝73に圧入固定したときに、その扉側上面が突出部72の下面に当接又は圧着されるようになっている。
そして、ガスケット突出部40は、扉7を閉じたときに、その最も奥に位置するガスケット面41は金属仕切外板51のフランジ51aより奥に位置するようになっている(例えば、フランジ51aの前後方向の幅の2倍以上奥に位置する)。
The gasket protrusion 40 is formed with a plurality of heat insulating spaces 42a, 42b, 42c that are partitioned by partition pieces 41a, 41b, and when the gasket 20 is press-fitted and fixed in the concave groove 73 of the door 7, The door-side upper surface is in contact with or pressed against the lower surface of the protrusion 72.
And when the door 7 is closed, the gasket protrusion 41 located in the innermost part of the gasket protrusion 40 is located behind the flange 51a of the metal partition outer plate 51 (for example, the flange 51a). It is located more than twice the width in the front-rear direction).

また、ガスケット突出部40の下面43は、扉7を閉じたときに、庫内仕切部5の上面との間に、接触しない程度のすき間g(例えば、3mm程度)が形成されるようになっており、このすき間gにより対流路32cが形成される。
さらに、ガスケット突出部40を含むガスケット20、庫内仕切部5の金属仕切外板51、プラスチック仕切外板52aのそれぞれの一部が接触し又は近接することにより、冷凍室6から区画されたガスケット断熱空間44が形成されている。
Further, a gap g (for example, about 3 mm) that does not come into contact with the lower surface 43 of the gasket protruding portion 40 is formed between the lower surface 43 of the gasket protruding portion 40 and the upper surface of the internal partitioning portion 5 when the door 7 is closed. A convection channel 32c is formed by the gap g.
Further, the gasket 20 including the gasket protruding portion 40, the metal partition outer plate 51 of the internal partition 5 and the plastic partition outer plate 52a are in contact with or in close proximity to each other so that the gasket is partitioned from the freezer compartment 6. A heat insulating space 44 is formed.

本実施の形態によれば、ガスケット20に一体にガスケット突出部40を設けたので構造が簡単であり、また、ガスケット突出部40の下面43により対流路32cの流体抵抗が増加するため、対流路32cを流れる暖気の流速を低下させ、ガスケット断熱空間44の暖気が冷凍室6へ流入する量を減らすことができる。   According to the present embodiment, since the gasket protrusion 40 is provided integrally with the gasket 20, the structure is simple, and the fluid resistance of the counter flow path 32 c is increased by the lower surface 43 of the gasket protrusion 40. The flow rate of the warm air flowing through 32c can be reduced, and the amount of warm air in the gasket heat insulating space 44 flowing into the freezer compartment 6 can be reduced.

また、外気及びガスケット断熱空間44からガスケット突出部40へ伝達された熱を、ガスケット突出部40のガスケット断熱空間42a〜42cへ留めることにより、冷凍室6へ伝播される熱を減らすことができ、さらに、外気が触れる庫内仕切部5の金属仕切外板51における結露の発生を抑制することができる。なお、図7には、ガスケット突出部40に2つの仕切り片41a,41bを設けた場合を示したが、これを増加することによりシール性がより向上し、断熱効果をさらに高めることができる。   Moreover, the heat transmitted from the outside air and the gasket heat insulation space 44 to the gasket protrusion 40 can be reduced to the gasket heat insulation spaces 42a to 42c of the gasket protrusion 40, thereby reducing the heat transmitted to the freezer compartment 6, Furthermore, it is possible to suppress the occurrence of condensation on the metal partition outer plate 51 of the inner partition part 5 that is touched by outside air. Although FIG. 7 shows a case where the two partition pieces 41a and 41b are provided on the gasket protrusion 40, the sealing performance is further improved and the heat insulating effect can be further enhanced by increasing the number of the partition pieces 41a and 41b.

さらに、ガスケット突出部40は、扉7を閉じたときにその下面と庫内仕切部5との間に余裕のあるすき間g(例えば、3mm程度)を保つようになっているので、ケース19内に大量の貯蔵物を収納したり、冷蔵庫量産時の組立状態のバラツキなどにより、このすき間gが変動しても、扉7を閉じたときに、ガスケット突出部40の下面43が庫内仕切部5に接触することがなく、このため、ガスケット20に設けたマグネット21の金属仕切外板51への吸着性を損うことがないばかりでなく、接触摩擦による異常音の発生や、摩耗等を生ずることもない。   Further, since the gasket protrusion 40 is configured to maintain a clearance g (for example, about 3 mm) between the lower surface of the gasket 7 and the interior partition 5 when the door 7 is closed, Even if this gap g varies due to the large amount of stored items stored in it or due to variations in the assembly state during mass production of the refrigerator, when the door 7 is closed, the lower surface 43 of the gasket protruding portion 40 is separated from the interior partition portion. Therefore, not only does the magnet 21 provided on the gasket 20 have an adsorbing property on the metal partition outer plate 51, but also abnormal noise due to contact friction, wear, etc. It does not occur.

また、ガスケット突出部40はポリ塩化ビニル等で成形して柔軟性を持たせたので、扉7を閉じるときに万一庫内部材に当っても、ガスケット突出部40自体が弾性変形することにより接触の衝撃を吸収し、ガスケット20や庫内部材等の破損を防止することができる。   In addition, since the gasket protrusion 40 is made of polyvinyl chloride or the like so as to have flexibility, the gasket protrusion 40 itself is elastically deformed even if it hits the internal member when the door 7 is closed. The impact of contact can be absorbed and damage to the gasket 20 and the internal member can be prevented.

上記の説明では、冷凍室6の扉7の内壁の下部に扉内面シール部材25、又はガスケット突出部40を有するガスケット20を設けた場合を示したが、これらを、扉7の内壁の上部と下部の両方に設けてもよい。
また、扉内面シール部材25の本体部26にC字状の取付部27を設け、この取付部27を扉7の突出部72に嵌合、固定して取付ける場合を示したが、他の手段によって扉7の内壁に取付けてもよい。
In the above description, the case in which the door inner surface sealing member 25 or the gasket 20 having the gasket protrusion 40 is provided in the lower part of the inner wall of the door 7 of the freezer compartment 6 is shown. You may provide in both lower parts.
Moreover, although the C-shaped attachment part 27 was provided in the main-body part 26 of the door inner surface sealing member 25, and this attachment part 27 was fitted and fixed to the protrusion part 72 of the door 7, it showed the case of attaching, May be attached to the inner wall of the door 7.

また、上記の説明では、冷凍庫の冷凍室6の扉7に扉内面シール部材25、又はガスケット突出部40を有するガスケット20を設けた場合を示したが、冷凍室6以外の貯蔵室や野菜室などの扉にもこれらを設けてもよい。
また、上記の説明では、引出し式の扉7に庫内面シール部材25、又はガスケット突出部40を有するガスケット20を設けた場合を示したが、これらを開閉式扉に設けてもよい。
Moreover, although the case where the gasket 20 which has the door inner surface sealing member 25 or the gasket protrusion part 40 was provided in the door 7 of the freezer compartment 6 of the freezer was shown in said description, storage rooms and vegetable rooms other than the freezer compartment 6 were shown. These may also be provided on the door.
Moreover, in the above description, the case where the drawer inner door 7 is provided with the warehouse inner surface sealing member 25 or the gasket 20 having the gasket protrusion 40 is shown, but these may be provided on the openable door.

1 冷蔵庫本体、5 庫内仕切部、51 金属仕切外板、6 冷凍室、7 扉、71,72 突出部、20 ガスケット、21 マグネット、25 扉内面シール部材、26 本体部、27 取付部、28 シール突出部、29 突出部断熱空間、30,36 シール片、31,37 シール片断熱空間、32〜32c 対流路、33 シール板、40 ガスケット突出部、41 ガスケット面、41a,41b 仕切り片、42 断熱空間、43 下面。   DESCRIPTION OF SYMBOLS 1 Refrigerator main body, 5 inside partition part, 51 metal partition outer plate, 6 freezer compartment, 7 door, 71, 72 protrusion part, 20 gasket, 21 magnet, 25 door inner surface sealing member, 26 main body part, 27 attachment part, 28 Seal projection part, 29 Projection part heat insulation space, 30, 36 Seal piece, 31, 37 Seal piece heat insulation space, 32-32c Counter flow path, 33 Seal plate, 40 Gasket projection part, 41 Gasket surface, 41a, 41b Partition piece, 42 Insulated space, 43 bottom surface.

Claims (7)

前面が開口された断熱箱体と、前面側に金属仕切外板を有し前記断熱箱体内を区画する庫内仕切り部と、前記区画された前面開口部を開閉する扉とを有し、該扉の内壁にマグネットを有するガスケット及び扉内面シール部材を設けてなり、
前記扉内面シール部材を、前記扉の庫内側に取付けられる本体部と、該本体部から所定の間隔で垂下する複数のシール片とによって構成し、
前記扉を閉じたときは、少なくとも最奥部のシール片が前記庫内仕切部の金属仕切外板より奥側に位置すると共に、前記複数のシール片の下端部と前記庫内仕切部の上面との間にすき間が形成されるように構成し
前記扉内面シール部材を、硬質プラスチックからなり扉への取付部及び該取付部の庫内側に設けられて断熱空間が形成されたシール突部からなる本体部と、軟質プラスチックからなり前記本体部から所定の間隔で垂下し断熱空間が形成された複数のシール片とを一体に形成して構成した
ことを特徴とする冷蔵庫。
A heat insulating box having an opening on the front surface, an internal partition having a metal partition outer plate on the front side and partitioning the heat insulating box, and a door for opening and closing the partitioned front opening, A gasket having a magnet and a door inner surface sealing member are provided on the inner wall of the door,
The door inner surface sealing member is constituted by a main body portion attached to the inner side of the door and a plurality of seal pieces hanging from the main body portion at a predetermined interval,
When the door is closed, at least the innermost seal piece is located on the back side of the metal partition outer plate of the internal partition, and the lower ends of the plurality of seal pieces and the upper surface of the internal partition configured such that a gap is formed between the,
The door inner surface sealing member is made of a hard plastic, and a main body portion is formed of a mounting portion to the door and a seal projection provided inside the storage portion of the mounting portion to form a heat insulating space; A refrigerator characterized by being integrally formed with a plurality of sealing pieces that are suspended at a predetermined interval and formed with a heat insulating space .
前面が開口された断熱箱体と、前面側に金属仕切外板を有し前記断熱箱体内を区画する庫内仕切り部と、前記区画された前面開口部を開閉する扉とを有し、該扉の内壁にマグネットを有するガスケット及び扉内面シール部材を設けてなり、
前記扉内面シール部材を、前記扉の庫内側に取付けられる本体部と、該本体部から所定の間隔で垂下する複数のシール片とによって構成し、
前記扉を閉じたときは、少なくとも最奥部のシール片が前記庫内仕切部の金属仕切外板より奥側に位置すると共に、前記複数のシール片の下端部と前記庫内仕切部の上面との間にすき間が形成されるように構成し
前記扉内面シール部材の複数のシール片の下端部を、軟質プラスチックからなるシール板で一体に連結した
ことを特徴とする冷蔵庫。
A heat insulating box having an opening on the front surface, an internal partition having a metal partition outer plate on the front side and partitioning the heat insulating box, and a door for opening and closing the partitioned front opening, A gasket having a magnet and a door inner surface sealing member are provided on the inner wall of the door,
The door inner surface sealing member is constituted by a main body portion attached to the inner side of the door and a plurality of seal pieces hanging from the main body portion at a predetermined interval,
When the door is closed, at least the innermost seal piece is located on the back side of the metal partition outer plate of the internal partition, and the lower ends of the plurality of seal pieces and the upper surface of the internal partition configured such that a gap is formed between the,
A refrigerator, wherein lower end portions of a plurality of seal pieces of the door inner surface seal member are integrally connected with a seal plate made of soft plastic .
前記扉内面シール部材の複数のシール片の下端部を、軟質プラスチックからなるシール板で一体に連結した
ことを特徴とする請求項1載の冷蔵庫。
The lower end portion of the plurality of seal segments of the door inner surface sealing member, refrigerator of claim 1 Symbol mounting, characterized in that integrally connected to a sealing plate made of soft plastic.
前記扉内面シール部材の複数のシール片の内、両端のシール片の下端部を互いに内側に折り曲げて略L字状に形成し、前記両端のシール片の間に設けられたシール片の下端部を略T字状に形成し、隣り合うシール片の下端部との間にスリット状のすき間を設けた
ことを特徴とする請求項1記載の冷蔵庫。
Of the plurality of seal pieces of the door inner surface seal member, lower end portions of the seal pieces at both ends are bent inward to form a substantially L shape, and the lower end portions of the seal pieces provided between the seal pieces at both ends Is formed in a substantially T shape, and a slit-like gap is provided between the lower end portions of adjacent seal pieces.
The refrigerator according to claim 1 .
前記扉内面シール部材のシール片の下端部又はシール板と、前記庫内仕切部の上面との間に形成されたすき間により、対流路を形成した
ことを特徴とする請求項1〜4のいずれかに記載の冷蔵庫。
The counter flow path is formed by a gap formed between a lower end portion or a seal plate of a seal piece of the door inner surface seal member and an upper surface of the internal partition portion. The refrigerator according to crab.
前記扉の内壁面に庫内側に突出する突出部を設け、前記扉内面シール部材の本体部に設けた取付部を前記突出部に嵌合して取付けた
ことを特徴とする請求項1〜5のいずれかに記載の冷蔵庫。
6. A protruding portion that protrudes to the inside of the cabinet is provided on the inner wall surface of the door, and an attachment portion provided on a main body portion of the door inner surface sealing member is fitted and attached to the protruding portion. The refrigerator in any one of.
前面が開口された断熱箱体と、前面側に金属仕切外板を有し前記断熱箱体内を区画する庫内仕切部と、前記区画された前面開口部を開閉する扉と、庫内側にマグネットを有し前記扉に取付けられたガスケットとを有し、
前記ガスケットの庫内側に、仕切り片により区画されて複数の断熱空間が形成された断面長方形状のガスケット突出部を設け、
前記扉を閉じたときに、前記ガスケット突出部の最奥部のガスケット面が前記庫内仕切部の金属仕切外板より奥側に位置すると共に、前記ガスケット突出部の下面と前記庫内仕切部の上面との間にすき間が形成され、該すき間により対流路が形成されたことを特徴とする冷蔵庫。
A heat insulating box with an opening on the front surface, an internal partition having a metal partition outer plate on the front side and partitioning the heat insulating box, a door for opening and closing the partitioned front opening, and a magnet on the inner side And having a gasket attached to the door,
Provided with a gasket protrusion portion having a rectangular cross section in which a plurality of heat insulation spaces are formed by partitioning pieces on the inner side of the gasket,
When the door is closed, the innermost gasket surface of the gasket protrusion is located on the back side of the metal partition outer plate of the internal partition, and the lower surface of the gasket protrusion and the internal partition A refrigerator in which a gap is formed between the upper surface of the refrigerator and a convection channel is formed by the gap.
JP2009184852A 2009-08-07 2009-08-07 refrigerator Expired - Fee Related JP5300647B2 (en)

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