JP2016130613A - refrigerator - Google Patents
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- JP2016130613A JP2016130613A JP2015005483A JP2015005483A JP2016130613A JP 2016130613 A JP2016130613 A JP 2016130613A JP 2015005483 A JP2015005483 A JP 2015005483A JP 2015005483 A JP2015005483 A JP 2015005483A JP 2016130613 A JP2016130613 A JP 2016130613A
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- heat insulating
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Abstract
Description
本発明は、冷蔵庫に関する。 The present invention relates to a refrigerator.
特許文献1は、断熱箱体の外箱と内箱の間に、2枚の真空断熱パネルを壁厚方向に重ねている(請求項1)。 In Patent Document 1, two vacuum heat insulation panels are stacked in the wall thickness direction between an outer box and an inner box of a heat insulation box (Claim 1).
特許文献2は、真空断熱材38を扉内板42側に貼付し、扉27の変形を抑制している(段落0073、図7)。 In Patent Document 2, a vacuum heat insulating material 38 is attached to the door inner plate 42 side to suppress deformation of the door 27 (paragraph 0073, FIG. 7).
特許文献1は、使用者が触れたり目視する機会の多い前面扉については何ら開示していない。また、スペーサ18に代えて真空断熱パネルの間に発泡断熱材を注入しうることが言及されている(段落0034、図1,2)。
しかし、発泡断熱材の発泡やその後の収縮に伴い、真空断熱材に凹凸が生じ、外箱側が変形するおそれがある。外箱側が変形すると、意匠性が低下するおそれがあるが、特許文献1は、これについて何ら言及していない。
また、真空断熱パネルを取付ける取付面が平坦であることを前提としている。このため、例えば、真空断熱パネルの取付面に傾斜や凹凸があったり、取付可能な領域の厚みが一様でない場合について検討する余地がある。
Patent Document 1 does not disclose any front door that is frequently touched or visually observed by the user. It is also mentioned that foam insulation can be injected between the vacuum insulation panels instead of the spacers 18 (paragraph 0034, FIGS. 1 and 2).
However, with foaming of the foam heat insulating material and subsequent shrinkage, the vacuum heat insulating material may be uneven, and the outer box side may be deformed. If the outer box side is deformed, the designability may be deteriorated, but Patent Document 1 does not mention anything about this.
Further, it is assumed that the mounting surface for mounting the vacuum heat insulating panel is flat. For this reason, for example, there is room to consider a case where the mounting surface of the vacuum heat insulating panel has an inclination or unevenness or the thickness of the mountable region is not uniform.
特許文献2は、扉27の変形を抑制しつつ、扉外板50の側に真空断熱材を設ける方法については何ら開示していない。 Patent Document 2 does not disclose any method for providing a vacuum heat insulating material on the door outer plate 50 side while suppressing deformation of the door 27.
上記事情に鑑みてなされた本発明は、硬質平板、第一の真空断熱材、発泡断熱材、第二の真空断熱材及び内板を、この順番で並べて有している扉を備えることを特徴とする冷蔵庫である。 This invention made | formed in view of the said situation is equipped with the door which has a hard flat plate, a 1st vacuum heat insulating material, a foam heat insulating material, a 2nd vacuum heat insulating material, and an inner board in order in this order. It is a refrigerator.
厚み方向に2枚の真空断熱材を有し、意匠性及び断熱性を向上した扉を備える冷蔵庫を提供できる。 A refrigerator having two vacuum heat insulating materials in the thickness direction and having a door with improved design and heat insulating properties can be provided.
本発明の実施例について、以下添付の図面を参照しつつ説明する。エラー! ハイパーリンクの参照に誤りがあります。同様の構成要素には同様の符号を付し、同様の説明は繰り返さない。 Embodiments of the present invention will be described below with reference to the accompanying drawings. Error! The hyperlink reference is incorrect. Similar components are denoted by the same reference numerals, and the same description will not be repeated.
図1は、本発明の実施例1に係る冷蔵庫本体1の斜視図である。 FIG. 1 is a perspective view of a refrigerator main body 1 according to Embodiment 1 of the present invention.
冷蔵庫本体1には、冷蔵室2,製氷室3,上段冷凍室4,冷凍室5,野菜室6が設けられて、各貯蔵室の前面開口部を閉塞する扉がそれぞれ設けられている。冷蔵室扉2a,2bは冷蔵室2の前面開口部を閉じる扉、上段冷凍室扉4aは上段冷凍室4の前面開口部を閉じる扉、製氷室扉3aは製氷室3の前面開口部を閉じる扉、冷凍室扉5aは冷凍室5の前面開口部を閉じる扉、野菜室扉6aは野菜室6の前面開口部を閉じる扉である。冷蔵室扉2a,2bは、左右の扉が両端のヒンジ中央から両側に開く両開きの扉で構成されている。上段冷凍室扉3a,製氷室扉4a,冷凍室扉5a,野菜室扉6aは引出し式の扉によって構成され、引出し扉とともに貯蔵室内の引出し容器が引出される。 The refrigerator main body 1 is provided with a refrigerator compartment 2, an ice making compartment 3, an upper freezer compartment 4, a freezer compartment 5, a vegetable compartment 6, and doors for closing front openings of the respective storage compartments. The refrigerator compartment doors 2 a and 2 b close the front opening of the refrigerator compartment 2, the upper freezer compartment door 4 a closes the front opening of the upper freezer compartment 4, and the ice making compartment door 3 a closes the front opening of the ice making compartment 3. The door and the freezer compartment door 5 a are doors for closing the front opening of the freezer compartment 5, and the vegetable compartment door 6 a is a door for closing the front opening of the vegetable compartment 6. The refrigerator compartment doors 2a and 2b are constituted by double-open doors in which the left and right doors open from both hinge centers to both sides. The upper freezer compartment door 3a, the ice making compartment door 4a, the freezer compartment door 5a, and the vegetable compartment door 6a are constituted by drawer-type doors, and a drawer container in the storage chamber is pulled out together with the drawer door.
以下、主に冷蔵室扉2aに関して説明を行うが、他の扉においても同様の構成を用いることで同様の効果を得ることができる。 Hereinafter, although description is mainly given with respect to the refrigerator compartment door 2a, the same effect can be obtained by using the same configuration in other doors.
図2は、右側冷蔵室扉2aの正面図、図3は冷蔵室扉2aのA−A縦断面図、図4は冷蔵室扉2aのB−B横断面図である。図5は扉発泡冶具における扉の発泡説明図である。図2に示す冷蔵室扉2aは、正面側に平板形状の硬質平板を有している。硬質平板は、所定の剛性を有し、例えば人の押圧力、発泡断熱材の発泡や収縮に伴う力で変形が生じにくい材質であれば特に制限されないが、以下では、硬質平板の一例としてガラス板32を用いて説明する。ガラス板32は透光性を有している。 2 is a front view of the right refrigerator compartment door 2a, FIG. 3 is an AA longitudinal sectional view of the refrigerator compartment door 2a, and FIG. 4 is a BB transverse sectional view of the refrigerator compartment door 2a. FIG. 5 is an explanatory view of foaming of the door in the door foaming jig. The refrigerator compartment door 2a shown in FIG. 2 has a flat hard plate on the front side. The hard flat plate is not particularly limited as long as it has a predetermined rigidity and is not easily deformed by, for example, a person's pressing force or a force accompanying foaming or shrinkage of the foam heat insulating material. A description will be given using the plate 32. The glass plate 32 has translucency.
ガラス板32より正面側には外装部31を設けてある。外装部31は、ガラス板32を静置する平坦部と、平坦部の外周に設けた壁部を有する(例えば、図5参照)。 An exterior part 31 is provided on the front side of the glass plate 32. The exterior part 31 has the flat part which leaves the glass plate 32 still, and the wall part provided in the outer periphery of the flat part (for example, refer FIG. 5).
壁部は、平坦部に対して垂直な方向に延びており、平坦部外周を囲んでいる。
冷蔵室扉2aの背面側には内板21を有している。内板21は、図2中、左右方向に延びる凸条22,上下方向に延びる凸条24を外周側に有する。凸条22,24により、内板21は矩形状の突起を有する。
The wall portion extends in a direction perpendicular to the flat portion, and surrounds the outer periphery of the flat portion.
An inner plate 21 is provided on the back side of the refrigerator compartment door 2a. In FIG. 2, the inner plate 21 has a ridge 22 extending in the left-right direction and a ridge 24 extending in the up-down direction on the outer peripheral side. Due to the ridges 22 and 24, the inner plate 21 has a rectangular projection.
また、内板21は、左右方向に延びる凸条22の間に冷蔵室扉2aの下側に向かうにつれてガラス板32側に近づく段差部23を有する。段差部23は、下側の凸条22近くに設けてある。段差部23により、内板21側にペットボトル等を収納しやすくなる。また、凸条24に掛合等して、食品等を収納するポケットやバスケットを取付けてもよい。 Moreover, the inner plate 21 has a step portion 23 that approaches the glass plate 32 side toward the lower side of the refrigerator compartment door 2a between the ridges 22 extending in the left-right direction. The step portion 23 is provided near the lower ridge 22. The step portion 23 makes it easy to store a plastic bottle or the like on the inner plate 21 side. In addition, a pocket or basket for storing food or the like may be attached by engaging with the ridges 24.
冷蔵室扉2aの内部には真空断熱材12,13が二つ配置され、二つの真空断熱材の間には発泡断熱材が設けられている。仮に一方の真空断熱材が破損しても他方の真空断熱材で断熱可能なため、断熱性能の大きな減少を抑制できる。 Two vacuum heat insulating materials 12 and 13 are arranged inside the refrigerator compartment door 2a, and a foam heat insulating material is provided between the two vacuum heat insulating materials. Even if one vacuum heat insulating material breaks, since it can be insulated by the other vacuum heat insulating material, a large decrease in heat insulating performance can be suppressed.
真空断熱材12は、ガラス板32側に設けられており、その一部は内板21側に設けた凸条22,24、段差部23に対向している。真空断熱材12は、内板21に離間しているため、凸条22,24や段差部23に対向させて配しても、発泡断熱材の注入の阻害し難い。このため、広範囲に真空断熱材12を設けて、断熱性能を向上できる。 The vacuum heat insulating material 12 is provided on the glass plate 32 side, and part of the vacuum heat insulating material 12 is opposed to the ridges 22 and 24 and the step portion 23 provided on the inner plate 21 side. Since the vacuum heat insulating material 12 is separated from the inner plate 21, even if it is arranged facing the ridges 22, 24 and the stepped portion 23, it is difficult to inhibit the injection of the foam heat insulating material. For this reason, the heat insulating performance can be improved by providing the vacuum heat insulating material 12 in a wide range.
また、真空断熱材12は外装部31に、例えば両面テープを用いて貼付されている。外装部31の前方側にはガラス板32が位置する。このため、発泡断熱材が注入されて、後に収縮しても、ガラス板32は硬質であるため変形し難い。冷蔵室扉2aのガラス板32側は、冷蔵庫本体1の外側に設けられるため、使用者が目視したり触れたりしやすいが、上記のようにすることで、冷蔵室扉2aの意匠性を高め、また、使用者の触感への不快感を抑制できる。 Moreover, the vacuum heat insulating material 12 is affixed on the exterior part 31 using the double-sided tape, for example. A glass plate 32 is located on the front side of the exterior part 31. For this reason, even if the foam heat insulating material is injected and contracted later, the glass plate 32 is hard and is not easily deformed. Since the glass plate 32 side of the refrigerator compartment door 2a is provided on the outside of the refrigerator body 1, it is easy for the user to visually observe or touch it, but by doing so, the design of the refrigerator compartment door 2a is enhanced. Moreover, the discomfort to the tactile sensation of the user can be suppressed.
さらに、発泡断熱材が収縮しても、真空断熱材12は外装部31に貼付されているため、位置ずれが抑制される。なお、外装部31はABS等の樹脂で形成できる。 Furthermore, even if the foam heat insulating material contracts, the vacuum heat insulating material 12 is stuck to the exterior part 31, so that the displacement is suppressed. The exterior portion 31 can be formed of a resin such as ABS.
真空断熱材13は、内板21側に設けられており、内板21の凸条22及び段差部23より内側(図3中、上下方向側)の平坦な領域に位置している。これにより、凸条22や段差部23にも発泡断熱材を効果的に充填できる。また、同様に凸条24より内周側に真空断熱材13を設けている。 The vacuum heat insulating material 13 is provided on the inner plate 21 side, and is located in a flat region on the inner side (the vertical direction side in FIG. 3) from the ridge 22 and the step portion 23 of the inner plate 21. Thereby, the foaming heat insulating material can be effectively filled into the ridges 22 and the stepped portions 23. Similarly, the vacuum heat insulating material 13 is provided on the inner peripheral side from the ridge 24.
真空断熱材13は内板21に貼付されている。これにより、真空断熱材13の位置ずれを抑制できる。なお、真空断熱材13は凸条22,24や段差部23より内側に位置しているため、その面積は真空断熱材12の面積より小さい。 The vacuum heat insulating material 13 is affixed to the inner plate 21. Thereby, the position shift of the vacuum heat insulating material 13 can be suppressed. In addition, since the vacuum heat insulating material 13 is located inside the protrusions 22 and 24 and the step part 23, the area is smaller than the area of the vacuum heat insulating material 12.
冷蔵室扉2aの内板21側は、外装部31の側面(図3中、上下方向の端面)壁部に取り付けられる。外装部31及び内板21は、このようにして冷蔵室扉2aの外殻を形成し、内部にガラス板32、真空断熱材12,13と発泡断熱材を有する。 The inner plate 21 side of the refrigerator compartment door 2a is attached to the side wall of the exterior portion 31 (the end surface in the vertical direction in FIG. 3) wall portion. The exterior part 31 and the inner plate 21 thus form the outer shell of the refrigerator compartment door 2a, and have the glass plate 32, the vacuum heat insulating materials 12, 13 and the foam heat insulating material inside.
外装部31側に設けた真空断熱材12の厚みは、ガラス板32から壁部の先端までの厚み方向長さ(図5中、外装部31の上下方向高さ)の半分未満である。発泡断熱材の注入工程は、注入ヘッド41から液状の発泡断熱材42を注入して行うことができる。真空断熱材12の厚みを上記のようにすることで、液はね43が外装部31より外側に飛散することを抑制できる。これにより、外装部31の外面に液はね43が付着することを抑制し、冷蔵庫扉2aの製造工程での不良の発生を抑制できる。 The thickness of the vacuum heat insulating material 12 provided on the exterior portion 31 side is less than half of the length in the thickness direction from the glass plate 32 to the tip of the wall portion (the height in the vertical direction of the exterior portion 31 in FIG. 5). The step of injecting the foam heat insulating material can be performed by injecting the liquid foam heat insulating material 42 from the injection head 41. By making the thickness of the vacuum heat insulating material 12 as described above, it is possible to prevent the liquid splash 43 from scattering outside the exterior portion 31. Thereby, it can suppress that the liquid splash 43 adheres to the outer surface of the exterior part 31, and can suppress generation | occurrence | production of the defect in the manufacturing process of the refrigerator door 2a.
一方、真空断熱材13は液はね43を考慮する必要がないため、厚みを持たせることができる。例えば、真空断熱材12より真空断熱材13を厚くすることで、断熱性を高めた冷蔵室扉2aを製造できる。このとき、真空断熱材12の厚みを上記のようにすることで、液はねの付着も抑制できる。 On the other hand, since the vacuum heat insulating material 13 does not need to consider the liquid splash 43, it can have thickness. For example, by making the vacuum heat insulating material 13 thicker than the vacuum heat insulating material 12, the refrigerator compartment door 2a with improved heat insulation can be manufactured. At this time, by setting the thickness of the vacuum heat insulating material 12 as described above, the adhesion of the liquid splash can also be suppressed.
なお、真空断熱材12,13の貼付の態様は特に制限されず、また、これらの部材の相対移動が抑制されればよい。また、上記の構成を適用する扉は、冷蔵室扉2aに限られず、引出し式の扉でも観音式の扉であっても良い。 In addition, the aspect in particular of the vacuum heat insulating materials 12 and 13 is not restrict | limited, Moreover, the relative movement of these members should just be suppressed. Further, the door to which the above configuration is applied is not limited to the refrigerator compartment door 2a, and may be a drawer type door or a kannon type door.
1 冷蔵庫本体
2 冷蔵室
2a 右側冷蔵室扉
2b 左側冷蔵室扉
3 製氷室
3a 製氷室扉
4 上段冷凍室
4a 上段冷凍室扉
5 下段冷凍室
5a 下段冷凍室扉
6 野菜室
6a 野菜室扉
12 ガラス板側真空断熱材
13 内板側真空断熱材
21 扉内板
22 凸条
23 段差部
24 凸条
31 外装部
32 ガラス板(硬質平板)
41 発泡断熱材注入ヘッド
42 発泡断熱材
43 液ハネ
45 扉発泡冶具
DESCRIPTION OF SYMBOLS 1 Refrigerator body 2 Refrigerating room 2a Right side refrigerating room door 2b Left side refrigerating room door 3 Ice making room 3a Ice making room door 4 Upper freezing room door 4a Upper freezing room door 5 Lower freezing room door 5a Lower freezing room door 6 Vegetable room 6a Vegetable room door 12 Glass Plate side vacuum heat insulating material 13 Inner plate side vacuum heat insulating material 21 Door inner plate 22 Convex strip 23 Stepped portion 24 Convex strip 31 Exterior portion 32 Glass plate (hard flat plate)
41 Foam insulation injection head 42 Foam insulation 43 Liquid splash 45 Door foaming jig
Claims (4)
前記第一の真空断熱材を前記硬質平板に貼付し、及び/又は、
前記内板に前記第二の真空断熱材を貼付したことを特徴とする請求項1に記載の冷蔵庫。 An exterior part is provided between the first vacuum heat insulating material and the hard flat plate,
Affixing the first vacuum heat insulating material on the hard flat plate, and / or
The refrigerator according to claim 1, wherein the second vacuum heat insulating material is attached to the inner plate.
該外装部は、前記第一の真空断熱材の側に延びる壁部を有し、
前記第一の真空断熱材の厚みより、前記第二の真空断熱材の厚みが大きいことを特徴とする請求項1又は2に記載の冷蔵庫。 An exterior part is provided between the first vacuum heat insulating material and the hard flat plate,
The exterior portion has a wall portion extending toward the first vacuum heat insulating material,
The refrigerator according to claim 1 or 2, wherein a thickness of the second vacuum heat insulating material is larger than a thickness of the first vacuum heat insulating material.
前記第一の真空断熱材の一部は、前記凸条又は前記段差部に対向していることを特徴とする請求項1乃至3何れか一項に記載の冷蔵庫。 The inner plate has a ridge or a step,
4. The refrigerator according to claim 1, wherein a part of the first vacuum heat insulating material is opposed to the ridge or the stepped portion. 5.
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JP2015005483A JP2016130613A (en) | 2015-01-15 | 2015-01-15 | refrigerator |
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JP2015005483A JP2016130613A (en) | 2015-01-15 | 2015-01-15 | refrigerator |
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Cited By (1)
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WO2019012833A1 (en) * | 2017-07-10 | 2019-01-17 | パナソニックIpマネジメント株式会社 | Vacuum insulation case |
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JP2014211271A (en) * | 2013-04-19 | 2014-11-13 | パナソニック株式会社 | Heat insulation door |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2019012833A1 (en) * | 2017-07-10 | 2019-01-17 | パナソニックIpマネジメント株式会社 | Vacuum insulation case |
JP2019015476A (en) * | 2017-07-10 | 2019-01-31 | パナソニックIpマネジメント株式会社 | Vacuum heat insulation housing |
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