JP6567978B2 - refrigerator - Google Patents

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Publication number
JP6567978B2
JP6567978B2 JP2016006750A JP2016006750A JP6567978B2 JP 6567978 B2 JP6567978 B2 JP 6567978B2 JP 2016006750 A JP2016006750 A JP 2016006750A JP 2016006750 A JP2016006750 A JP 2016006750A JP 6567978 B2 JP6567978 B2 JP 6567978B2
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ice
water
door
tray
ice tray
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JP2017129284A (en
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茂中　啓介
啓介 茂中
豊 八下田
豊 八下田
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Hitachi Global Life Solutions Inc
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Hitachi Global Life Solutions Inc
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Priority to CN201710028343.2A priority patent/CN106979643A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Description

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

本技術分野の背景技術として、特開平６−１１２２８（特許文献１）がある。この公報には、「製氷機の製氷皿の外周に沿う上方に伸びる水飛び防止板を設け、この水飛び防止板の上部先端部に製氷皿内を臨む方向のヒレを設けた」こと、「水受けが複数列形成された製氷皿の、各列の水受けの間に直立する水飛び防止板を設け、この水飛び防止板の先端部に製氷皿内を臨む方向のヒレを設けた」こと、が記載されている。   As a background art of this technical field, there is JP-A-6-11228 (Patent Document 1). In this publication, “a water splash prevention plate extending upward along the outer circumference of the ice making tray of the ice making machine was provided, and a fin in a direction facing the inside of the ice tray was provided at the upper end of the water splash prevention plate”, “ An ice tray with multiple rows of water trays was provided with a water splash prevention plate standing between each row of water trays, and a fin in the direction facing the ice tray was provided at the tip of the water splash prevention plate. '' It is described.

特開平６−１１２２８JP-A-6-11228

特許文献１には、扉の内側に設置された自動製氷機の製氷皿について、扉開閉時の衝撃等で製氷皿内の水が外部に飛散するのを抑える構造について記載されている。具体的には製氷皿の外周や各列の間に水飛び防止板を設け、水飛び防止板の先端にヒレを設ける構造である。しかしながら特許文献１の構造では、製氷皿内の水の飛散を確実に抑えるために水飛び防止板の高さやヒレの長さを増加させようとすると、製氷皿の剛性が上がることによって離氷時に製氷皿を回動する際のトルクが増大してしまう。このため実際には、水飛び防止板の高さやヒレの長さは限られてしまい、製氷皿内の水の外部への飛散を確実に防止するのは難しい。   Patent Document 1 describes a structure for preventing water in an ice tray from splashing to the outside due to an impact or the like when the door is opened or closed with respect to an ice tray of an automatic ice maker installed inside a door. Specifically, a water splash prevention plate is provided between the outer periphery and each row of the ice tray, and a fin is provided at the tip of the water splash prevention plate. However, in the structure of Patent Document 1, if the height of the water splash prevention plate or the length of the fin is increased in order to surely suppress the scattering of water in the ice tray, the rigidity of the ice tray is increased, and the ice tray is at the time of deicing. Torque when rotating the ice tray increases. Therefore, in practice, the height of the water splash prevention plate and the length of fins are limited, and it is difficult to reliably prevent the water in the ice tray from splashing outside.

そこで本発明は、扉に製氷機が設置された冷蔵庫について、離氷時のトルク増加に伴って離氷不具合等が起こることなく、扉開閉時の衝撃等による製氷皿内の水の飛散の抑えた製氷機を提供することを目的とする。   In view of this, the present invention relates to a refrigerator having an ice making machine installed on the door, without causing a problem of deicing due to an increase in torque at the time of deicing, and suppressing scattering of water in the ice tray due to an impact at the time of opening and closing the door. The purpose is to provide an ice machine.

上記課題を解決するために、例えば特許請求の範囲に記載の構成を採用する。本願は上記課題を解決する手段を複数含んでいるが、その一例を挙げるならば、複数のセルを有する製氷皿と、前記製氷皿を回動させることで前記セル内の氷を離氷する製氷機と、前記製氷機が設置される回動可能な扉と、前記扉により開口が開閉される貯蔵室と、を備えた冷蔵庫において、前記製氷皿の外周に沿い上方へ延びる水飛び防止部を有し、前記水飛び防止部は製氷皿本体と比べて軟質の材料で形成し、前記セルの壁面は、前記貯蔵室側の壁面の鉛直方向に対する勾配を、反貯蔵室側の壁面の鉛直方向に対する勾配よりも小さくしたことを特徴とする。 In order to solve the above problems, for example, the configuration described in the claims is adopted. The present application includes a plurality of means for solving the above-described problems. For example, an ice making tray having a plurality of cells, and ice making that deices the ice in the cells by rotating the ice making tray. And a storage door whose opening is opened and closed by the door, and a water splash prevention portion extending upward along the outer periphery of the ice tray. The water splash prevention part is formed of a softer material than the ice tray body, and the wall surface of the cell has a gradient with respect to the vertical direction of the wall surface on the storage chamber side, and the vertical direction of the wall surface on the anti-storage chamber side. It is characterized by being smaller than the gradient with respect to.

本発明によれば、扉に製氷機が設置された冷蔵庫について、離氷時のトルク増加に伴う氷の落下不具合が起こり難く、扉開閉時の衝撃等による製氷皿内の水の飛散を抑制した製氷機を提供できる。   According to the present invention, with respect to a refrigerator in which an ice maker is installed on the door, it is difficult for ice to drop due to an increase in torque at the time of deicing, and scattering of water in the ice tray due to an impact at the time of opening and closing the door is suppressed. An ice machine can be provided.

本実施形態の冷蔵庫を示す正面図Front view showing the refrigerator of the present embodiment 本実施形態の冷蔵庫の冷蔵室扉から製氷室扉を除いた斜視図The perspective view which removed the ice-making room door from the refrigerator compartment door of the refrigerator of this embodiment 図２に製氷室扉を加えたＡ−Ａ線断面図Fig. 2 is a cross-sectional view taken along line AA with the ice making room door added. 本実施例１の製氷皿の上面斜視図Top perspective view of the ice tray of Example 1 図４のＢ−Ｂ線断面図BB sectional view of FIG. 本実施例２の位置に導水溝を有する製氷皿の上面図Top view of an ice tray having a water guide groove at the position of the second embodiment 本実施例３の製氷皿の側面断面図Side sectional view of the ice tray of Example 3

以下、本発明の実施形態を図１〜図７に基づいて説明する。   Hereinafter, embodiments of the present invention will be described with reference to FIGS.

図１は本実施形態の冷蔵庫を示す正面図である。図２は本実施形態の冷蔵庫の冷蔵室扉から製氷室扉を除いた斜視図である。図３は図２に製氷室扉を加えたＡ−Ａ線断面図である。   FIG. 1 is a front view showing the refrigerator of the present embodiment. FIG. 2 is a perspective view of the refrigerator according to the present embodiment with the ice compartment door removed from the refrigerator compartment door. 3 is a cross-sectional view taken along the line AA in FIG. 2 with an ice making room door added.

冷蔵庫本体１には冷蔵室扉１ａ、冷蔵室扉１ｂ、冷凍室扉３ａ、冷凍室扉３ｂが設けられている。冷蔵庫本体１の冷蔵室扉１ａの表側には、冷蔵庫運転設定操作パネル４、氷及び水供給エリア２が設けられている。また、冷蔵室扉１ａの裏側上部には、製氷機５、貯氷エリア６、アイスクラッシャ・ディスペンサユニット７が設けられており、製氷室扉１２によって冷蔵室と仕切られている。冷蔵室扉１ａの裏側下部には、給水タンク９、給水ポンプ１１が設けられ、給水タンク９内の水を給水ポンプ１１により製氷機５及び氷及び水供給エリア２に供給する。尚、図示しないが製氷機５、貯氷エリア６、アイスクラッシャ・ディスペンサユニット７には蒸発器からマイナス温度の冷気が供給されることで製氷及び貯氷に適切な温度に管理されている。   The refrigerator body 1 is provided with a refrigerator compartment door 1a, a refrigerator compartment door 1b, a freezer compartment door 3a, and a freezer compartment door 3b. On the front side of the refrigerator compartment door 1a of the refrigerator body 1, a refrigerator operation setting operation panel 4 and an ice and water supply area 2 are provided. Further, an ice making machine 5, an ice storage area 6, and an ice crusher / dispenser unit 7 are provided on the upper rear side of the refrigerator compartment door 1a and are partitioned from the refrigerator compartment by the ice compartment door 12. A water supply tank 9 and a water supply pump 11 are provided in the lower part on the back side of the refrigerator compartment door 1a, and the water in the water supply tank 9 is supplied to the ice making machine 5 and the ice and water supply area 2 by the water supply pump 11. Although not shown, the ice making machine 5, the ice storage area 6, and the ice crusher / dispenser unit 7 are controlled at temperatures suitable for ice making and ice storage by supplying cold air of minus temperature from the evaporator.

次に、図４は製氷機５に搭載された本実施形態の製氷皿３０の上面斜視図であり、図５は図４のＢ−Ｂ線断面図である。   Next, FIG. 4 is a top perspective view of the ice tray 30 of the present embodiment mounted on the ice making machine 5, and FIG. 5 is a cross-sectional view taken along the line BB of FIG.

製氷皿本体は、ポリプロピレン等の硬質プラスチック成形品であり、複数のセルを備えている。製氷が行われた後のセル内の氷は、冷蔵室扉１ａの左右方向に位置する回動軸を中心として製氷皿３０を回動することで、重力で落下する。ここで、製氷皿３０の回動は、手動で製氷皿３０を捻る方法や、電動で回転させる方法などで行う。   The ice tray main body is a hard plastic molded product such as polypropylene and includes a plurality of cells. The ice in the cell after the ice making is performed falls by gravity by turning the ice making plate 30 around the turning shaft located in the left-right direction of the refrigerator compartment door 1a. Here, rotation of the ice tray 30 is performed by a method of manually twisting the ice tray 30 or a method of rotating it electrically.

また、製氷皿３０は、外周に沿い上方へ伸びる水飛び防止板３１を有しており、この水飛び防止板３１の高さを越えなければ製氷皿３０内の水は外側に飛散することはない。この水飛び防止板３１は、製氷皿本体と比べて軟質の材料である、シリコンやエラストマー等で形成されている。このように、水飛び防止板３１を軟質の材料で形成することで、離氷時に製氷皿３０を回動する際のトルクへの影響を小さくできる。また、本実施例の水飛び防止板３１は、自重や経時変化等で変形して水飛び防止の役割を損なうことのないよう、弾性も有している。なお、製氷皿本体と水飛び防止板３１とは、異材質成形等により一体に成形しているため、低温下で繰り返し応力を受けても水飛び防止板３１が製氷皿３０から剥離しない。   Further, the ice tray 30 has a water splash prevention plate 31 extending upward along the outer periphery, and the water in the ice tray 30 is not scattered outside unless the height of the water splash prevention plate 31 is exceeded. Absent. The water splash prevention plate 31 is formed of silicon, an elastomer, or the like, which is a soft material compared to the ice tray main body. Thus, by forming the water splash prevention plate 31 with a soft material, it is possible to reduce the influence on the torque when the ice tray 30 is rotated during deicing. Further, the water splash prevention plate 31 of this embodiment also has elasticity so as not to be deformed due to its own weight, change with time, etc., and impair the role of water splash prevention. Since the ice tray main body and the water splash prevention plate 31 are integrally formed by molding different materials or the like, the water splash prevention plate 31 does not peel from the ice tray 30 even when subjected to repeated stress at a low temperature.

水飛び防止板３１は、部分的に高さの低い箇所３１ａを有している。この３１ａを通して、蒸発器から供給されるマイナス温度の冷気を製氷皿３０内の水面近傍まで供給できるため、水飛び防止板３１を設けても、冷気の供給を阻害することがなく、製氷時間が長くなるのを抑制することが可能である。   The water splash prevention plate 31 has a portion 31a having a partially low height. Through this 31a, the cold air of minus temperature supplied from the evaporator can be supplied to the vicinity of the water surface in the ice tray 30, so even if the water splash prevention plate 31 is provided, the supply of cold air is not hindered and the ice making time is reduced. It is possible to suppress the lengthening.

水飛び防止板３１の先端は、製氷皿３０の内側方向に直線状または曲線状に傾斜させても良い。内側に傾斜させることで、水飛び防止板３１の高さを乗り越えて飛散しようとする水を製氷皿３０内に戻す効果が期待できる。   The tip of the water splash prevention plate 31 may be inclined linearly or curvedly toward the inside of the ice tray 30. By inclining inward, it is possible to expect the effect of returning the water to be splashed over the height of the water splash prevention plate 31 into the ice tray 30.

扉開閉動作の中で製氷皿３０内の水の飛散が最も起こり易い動作は、扉を勢い良く閉じた際の衝撃である。実験によれば、扉を閉じた瞬間における製氷皿３０の各セル内の水は、扉ヒンジ側かつ貯蔵室側である角部３４に集中し、逃げ場が無くなった水は上方へ柱状に飛散することになる。そこで、本実施例では、扉の左右方向に隣接するセル間を連通する導水溝３２を、図６に示す如く製氷皿３０に設けるとともに、この導水溝３２を、各セルの貯蔵室側の壁面に寄せて位置させた。この導水溝３２により、各セルの角部３４の水の一部が、図６の矢印３３に示す如くヒンジ側にある他のセルへ分散されるため、角部３４への水の集中を抑制できる。すなわち、本実施例によれば、角部３４から水が上方へ飛散するのを抑制することが可能となる。なお、実施例１のように水飛び防止板３１を形成する方法に代えて、扉を閉じた瞬間の衝撃を緩和する減衰手段を、製氷皿３０または製氷機５に設ける方法も考えられる。   In the door opening / closing operation, the operation in which the water in the ice tray 30 is most likely to be scattered is an impact when the door is closed vigorously. According to the experiment, the water in each cell of the ice tray 30 at the moment when the door is closed concentrates on the corner 34 on the door hinge side and the storage chamber side, and the water with no escape is scattered in a column shape upward. It will be. Therefore, in this embodiment, a water guide groove 32 that communicates between cells adjacent in the left-right direction of the door is provided in the ice tray 30 as shown in FIG. 6, and the water guide groove 32 is provided on the wall surface on the storage chamber side of each cell. It was placed close to. This water guide groove 32 disperses a part of the water at the corner 34 of each cell to other cells on the hinge side as shown by the arrow 33 in FIG. it can. That is, according to the present embodiment, it is possible to suppress water from splashing upward from the corner portion 34. In place of the method of forming the water splash prevention plate 31 as in the first embodiment, a method of providing the ice tray 30 or the ice making machine 5 with a damping means for reducing the impact at the moment when the door is closed is also conceivable.

製氷皿３０の各セルの側壁には、離氷性を高めるために鉛直方向に対して勾配を設けている。この勾配が大きいほど製氷皿３０を回動する量が小さくても氷が製氷皿３０から離れるため離氷性は高まるが、その半面で扉開閉時の衝撃が少なくても水が飛散し易くなってしまう。よって本実施例では、図７に示す如く各セルの貯蔵室側の壁面の鉛直方向に対する勾配θ１を、反貯蔵室側の壁面の鉛直方向に対する勾配θ２よりも小さくし、鉛直方向に近付けることで、離氷性を損なうことなく、貯蔵室側の壁面からの水の飛散抑制を図っている。   The side walls of each cell of the ice tray 30 are provided with a gradient with respect to the vertical direction in order to improve the ice detachability. The greater the gradient, the greater the ice-breaking performance because the ice moves away from the ice tray 30 even if the amount of rotation of the ice tray 30 is small. However, on the other side, even if there is little impact when opening and closing the door, water is more likely to splash. End up. Therefore, in this embodiment, as shown in FIG. 7, the gradient θ1 with respect to the vertical direction of the wall surface on the storage chamber side of each cell is made smaller than the gradient θ2 with respect to the vertical direction of the wall surface on the anti-storage chamber side, The water scattering from the wall on the storage room side is suppressed without impairing the deicing property.

上述の実施例によれば、扉の内側に製氷機が設置された冷蔵庫について、製氷時間の増加や離氷時のトルク増加、離氷不具合が起こることなく、扉開閉時の衝撃等による製氷皿内の水の飛散を抑える製氷皿を提供することができる。また、一般に冷蔵室扉１ｂは、冷凍室扉と比べて扉が大きくて重いため、扉を閉めた時の衝撃が大きい。したがって、本実施例のような構造は、製氷機を冷蔵室扉１ｂに設置した場合に特に有効であるが、本実施例のような製氷機を冷凍室扉に設置するものであっても良い。   According to the above-described embodiment, for a refrigerator in which an ice making machine is installed inside the door, an ice making tray by an impact at the time of opening and closing the door without causing an increase in ice making time, an increase in torque at the time of deicing, or a problem of deicing does not occur. It is possible to provide an ice tray that suppresses the scattering of water inside. In general, the refrigerator compartment door 1b is larger and heavier than the freezer compartment door, so that the impact when the door is closed is large. Therefore, the structure as in this embodiment is particularly effective when the ice making machine is installed in the refrigerator compartment door 1b. However, the ice making machine as in this embodiment may be installed in the freezer compartment door. .

尚、本発明は上記した実施例に限定されるものではなく、様々な変形例が含まれる。例えば、上記した実施例は本発明を分かり易く説明するために詳細に説明したものであり、必ずしも説明した全ての構成を備えるものに限定されるものではない。また、ある実施例の構成の一部を他の構成の実施例の構成に加えることも可能である。また、各実施例の構成の一部について、他の構成の追加・削除・置換をすることが可能である。   In addition, this invention is not limited to an above-described Example, Various modifications are included. For example, the above-described embodiments have been described in detail for easy understanding of the present invention, and are not necessarily limited to those having all the configurations described. Further, a part of the configuration of one embodiment can be added to the configuration of another embodiment. Further, it is possible to add, delete, and replace other configurations for a part of the configuration of each embodiment.

１ 冷蔵庫本体、１ａ，１ｂ 冷蔵室扉、２ 氷及び水供給エリア、３ａ，３ｂ 冷凍室扉、４ 冷蔵庫運転設定操作パネル、５ 製氷機、６ 貯氷エリア、７ アイスクラッシャ・ディスペンサユニット、９ 給水タンク、１１ 給水ポンプ、３０ 製氷皿、３１ 水飛び防止板、３２ 導水溝 DESCRIPTION OF SYMBOLS 1 Refrigerator main body, 1a, 1b Refrigeration room door, 2 Ice and water supply area, 3a, 3b Freezing room door, 4 Refrigerator operation setting operation panel, 5 Ice machine, 6 Ice storage area, 7 Ice crusher dispenser unit, 9 Water supply tank , 11 Water supply pump, 30 ice tray, 31 water splash prevention plate, 32 water guide groove

Claims (4)

複数のセルを有する製氷皿と、前記製氷皿を回動させることで前記セル内の氷を離氷する製氷機と、前記製氷機が設置される回動可能な扉と、前記扉により開口が開閉される貯蔵室と、を備えた冷蔵庫において、前記製氷皿の外周に沿い上方へ延びる水飛び防止部を有し、前記水飛び防止部は製氷皿本体と比べて軟質の材料で形成されており、
前記セルの壁面は、前記貯蔵室側の壁面の鉛直方向に対する勾配を、反貯蔵室側の壁面の鉛直方向に対する勾配よりも小さくしたことを特徴とする冷蔵庫。 An ice making tray having a plurality of cells, an ice making machine that de-ices the ice in the cell by rotating the ice making tray, a rotatable door on which the ice making machine is installed, and an opening formed by the door. And a storage room that is opened and closed, and has a water splash prevention portion that extends upward along the outer periphery of the ice tray, and the water splash prevention portion is made of a softer material than the ice tray body. And
The refrigerator is characterized in that the wall surface of the cell has a smaller gradient with respect to the vertical direction of the wall surface on the storage room side than a gradient with respect to the vertical direction of the wall surface on the anti-storage room side . 前記扉の左右方向に隣接する前記セル間を連通する導水溝が前記製氷皿に設けられており、前記導水溝が前記セルの前記貯蔵室側の壁面に寄せて位置していることを特徴とする請求項１に記載の冷蔵庫。   A water guide groove communicating between the cells adjacent in the left-right direction of the door is provided in the ice tray, and the water guide groove is positioned close to a wall surface of the cell on the storage chamber side. The refrigerator according to claim 1. 前記水飛び防止部は、部分的に高さの低い箇所を設けたことを特徴とする請求項１または２のいずれかに記載の冷蔵庫。   The refrigerator according to any one of claims 1 and 2, wherein the water splash prevention part is provided with a portion having a partially low height. 前記水飛び防止部の先端を、前記製氷皿の内側方向に直線状または曲線状に傾斜させ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 refrigerator according to any one of claims 1 to 3, wherein a tip of the water splash preventing portion is inclined linearly or curvedly toward the inside of the ice tray.
JP2016006750A 2016-01-18 2016-01-18 refrigerator Expired - Fee Related JP6567978B2 (en)

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JPH0611228A (en) * 1992-06-29 1994-01-21 Hitachi Ltd Refrigerator with automatic ice machine
EP1482261B1 (en) * 2003-05-28 2014-01-01 LG Electronics, Inc. Ice supply system
JP2007120822A (en) * 2005-10-26 2007-05-17 Sanyo Electric Co Ltd Storage box with automatic ice-making machine
KR100863389B1 (en) * 2006-08-24 2008-10-13 엘지전자 주식회사 Refrigerator and Ice making apparatus thereof
JP5014310B2 (en) * 2008-11-04 2012-08-29 三菱電機株式会社 Automatic ice making device and refrigerator equipped with the same
KR101622595B1 (en) * 2008-11-19 2016-05-19 엘지전자 주식회사 Ice maker and refrigerator having the same and ice making method thereof
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