JP5788232B2 - refrigerator - Google Patents

refrigerator Download PDF

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Publication number
JP5788232B2
JP5788232B2 JP2011131136A JP2011131136A JP5788232B2 JP 5788232 B2 JP5788232 B2 JP 5788232B2 JP 2011131136 A JP2011131136 A JP 2011131136A JP 2011131136 A JP2011131136 A JP 2011131136A JP 5788232 B2 JP5788232 B2 JP 5788232B2
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Japan
Prior art keywords
heat insulating
box
sheet member
plate portion
inner plate
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JP2011131136A
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JP2013002654A (en
Inventor
佐伯　友康
友康 佐伯
石橋　郁夫
郁夫 石橋
及川　誠
誠 及川
候巳 阿部
候巳 阿部
昌則 安部
昌則 安部
隆明 吉田
隆明 吉田
孝司 駒場
孝司 駒場
良 河田
良 河田
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Toshiba Corp
Toshiba Lifestyle Products and Services Corp
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Toshiba Corp
Toshiba Lifestyle Products and Services Corp
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Application filed by Toshiba Corp, Toshiba Lifestyle Products and Services Corp filed Critical Toshiba Corp
Priority to JP2011131136A priority Critical patent/JP5788232B2/en
Priority to PCT/JP2012/062167 priority patent/WO2012172897A1/en
Priority to CN201280039506.2A priority patent/CN103733008A/en
Priority to CN201810182284.9A priority patent/CN108278847B/en
Priority to EP12800424.9A priority patent/EP2719981B1/en
Priority to TW101119120A priority patent/TWI544194B/en
Publication of JP2013002654A publication Critical patent/JP2013002654A/en
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Publication of JP5788232B2 publication Critical patent/JP5788232B2/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
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/062—Walls defining a cabinet
    • F25D23/063—Walls defining a cabinet formed by an assembly of panels
    • 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
    • F25D23/06—Walls
    • F25D23/065—Details
    • F25D23/067—Supporting elements

Description

本発明の実施形態は、冷蔵庫に関する。   Embodiments of the present invention relate to a refrigerator.

冷蔵庫では、内箱と外箱との間に真空断熱パネルを配設した構成の断熱箱体を備えたものがある。前記内箱は、その全体がインジェクション成形や、真空成形により形成された一体成形品から構成されている。   Some refrigerators include a heat insulating box having a configuration in which a vacuum heat insulating panel is disposed between an inner box and an outer box. The inner box is composed of an integrally molded product formed entirely by injection molding or vacuum molding.

特開平４−２６０７８０号公報JP-A-4-260780 特開平６−１４７７４４号公報JP-A-6-147744

上述の冷蔵庫では、内箱が型成形により一つの一体成形品で構成されているため、大きな型を必要とし、製作コストがかかる問題がある。
そこで、コスト安となる冷蔵庫を提供する。 In the refrigerator described above, the inner box is formed by molding as a single integrally molded product, so that there is a problem that a large mold is required and the manufacturing cost is high.
Then, the refrigerator which becomes low cost is provided.

実施形態の冷蔵庫は、外箱と、内箱と、これら外箱及び内箱の間に配置される真空断熱パネルとから構成された断熱箱体を備える。前記断熱箱体は、内部に貯蔵室を有する。前記内箱は、合成樹脂製の平板状のシート部材で構成された複数の内板部と、前記貯蔵室のコーナー部の前記貯蔵室側に設けられ隣接する二つの前記内板部を連結するシート部材用連結部材と、を有している。
Refrigerator embodiments, Ru comprises an outer box, an inner box, an insulating box body that is composed of a vacuum insulation panel disposed between these outer box and inner box. The said heat insulation box has a storage chamber inside. The inner box connects a plurality of inner plate portions formed of a flat sheet member made of synthetic resin and two adjacent inner plate portions provided on the storage chamber side of the corner portion of the storage chamber. A connecting member for a sheet member.

第１実施形態による冷蔵庫の断熱箱体を下方から見た斜視図The perspective view which looked at the heat insulation box of the refrigerator by a 1st embodiment from the lower part 断熱箱体を上方から見た斜視図The perspective view which looked at the heat insulation box from the upper part 冷蔵庫を上方から見た斜視図Perspective view of the refrigerator as seen from above 断熱箱体の横断平面図Transverse plan view of heat insulation box 左側断熱壁の分解斜視図Exploded perspective view of left heat insulation wall 上内板部を下方から見た斜視図A perspective view of the upper inner plate viewed from below 下内板部を上方から見た斜視図The perspective view which looked at the lower inner plate part from the upper part 図４のＫ部の拡大図Enlarged view of part K in FIG. 左側断熱壁と奥側断熱壁とのコーナー部分の横断平面図Cross-sectional plan view of the corner between the left and right heat insulation walls 左側断熱壁と上側断熱壁とのコーナー部分の縦断正面図Longitudinal front view of the corner between the left heat insulating wall and the upper heat insulating wall 固定具と左内板部との分解斜視図Exploded perspective view of fixture and left inner plate 左内板部に対する固定具の取付状態を示す斜視図The perspective view which shows the attachment state of the fixing tool with respect to a left inner board part 同縦断側面図Same vertical side view 固定具に連結板を取り付けた状態の縦断側面図Longitudinal side view with connecting plate attached to fixture 横梁部材と左側断熱壁との連結部分の横断平面図Transverse plan view of the connecting part between the cross beam member and the left heat insulating wall 棚板支持具を裏から見た斜視図A perspective view of the shelf support from the back 棚板支持具と左内板部とねじとの分解縦断側面図Exploded side view of shelf board support, left inner plate and screw 棚板支持具の取付状態を示す縦断側面図Vertical side view showing the mounting state of the shelf support 第２実施形態による冷蔵庫の断熱箱体を下方から見た斜視図The perspective view which looked at the heat insulation box of the refrigerator by 2nd Embodiment from the downward direction 断熱箱体を上方から見た斜視図The perspective view which looked at the heat insulation box from the upper part 左側断熱壁の分解斜視図Exploded perspective view of left heat insulation wall 左側断熱壁と奥側断熱壁とのコーナー部分の横断平面図Cross-sectional plan view of the corner between the left and right heat insulation walls 棚板支持部部分の縦断側面図Vertical side view of the shelf support section 図２３とは異なる位置での棚板支持部部分の縦断側面図A vertical side view of the shelf support portion at a position different from FIG. 棚板支持部及び補強板を裏側から見た分解斜視図The exploded perspective view which looked at the shelf support part and the reinforcement board from the back side 仕切り壁支持部部分の縦断側面図Vertical side view of partition wall support 仕切り壁支持部部分の斜視図Perspective view of partition wall support part 第３実施形態による冷蔵庫の断熱箱体を上方から見た斜視図The perspective view which looked at the heat insulation box of the refrigerator by 3rd Embodiment from upper direction 左側断熱壁の分解斜視図Exploded perspective view of left heat insulation wall 第４実施形態を示し、棚板支持具部分の縦断側面図A vertical side view of the shelf support part showing the fourth embodiment 棚板支持具部分の分解状態での縦断側面図Longitudinal side view with the shelf support part disassembled 第５実施形態を示し、断熱箱体の一部を示す縦断正面図Longitudinal front view showing the fifth embodiment and showing a part of the heat insulation box 断熱箱体の一部を展開した縦断正面図Longitudinal front view of a part of an insulated box 断熱箱体の一部の分解状態での縦断正面図Longitudinal front view with part of the heat insulation box disassembled

＜第１実施形態＞
まず、第１実施形態による冷蔵庫１について図１から図１８を参照して説明する。図３に示す冷蔵庫１は、前面に開口が形成された断熱箱体２を主体として構成されている。断熱箱体２の前面側には、観音式の左側の回転扉３と右側の回転扉４と、複数の引出し式扉５〜８とが取り付けられている。これら各扉３〜８はいずれも内部に断熱材（図示せず）を備えた断熱扉から構成されている。前記左側の回転扉３、右側の回転扉４は、図１及び図２に示すように、断熱箱体２に取り付けられた上下一対のヒンジ部３ａ、３ｂ、同じく上下一対の４ａ、４ｂにより回転自在に支持されている。 <First Embodiment>
First, the refrigerator 1 by 1st Embodiment is demonstrated with reference to FIGS. 1-18. The refrigerator 1 shown in FIG. 3 is mainly composed of a heat insulating box 2 having an opening formed on the front surface. On the front side of the heat insulating box 2, a kannon-type left-side rotary door 3, a right-side rotary door 4, and a plurality of drawer-type doors 5 to 8 are attached. Each of these doors 3-8 is comprised from the heat insulation door provided with the heat insulating material (not shown) inside. The left and right revolving doors 3 and 4 are rotated by a pair of upper and lower hinges 3a and 3b attached to the heat insulating box 2, as well as a pair of upper and lower 4a and 4b, as shown in FIGS. It is supported freely.

断熱箱体２は、夫々単位断熱壁である左側断熱壁９、右側断熱壁１０、上側断熱壁１１、下側断熱壁１２、奥側断熱壁１３を連結して構成されている。これら断熱壁９〜１３については後述する。
この断熱箱体２の開口部の左右縁部には、横梁部材５１、５２、５３が横方向に架設されており、さらに横梁部材５２、５３には、左右方向の途中部に縦梁部材５４が縦方向に架設されている。そして、横梁部材５１の後側には貯蔵室仕切り用の第１の仕切り壁５５が取り付けられ、又、横梁部材５２の後側には貯蔵室仕切り用の第２の仕切り壁５６が取り付けられている。 The heat insulating box 2 is configured by connecting a left heat insulating wall 9, a right heat insulating wall 10, an upper heat insulating wall 11, a lower heat insulating wall 12, and a back heat insulating wall 13 which are unit heat insulating walls. These heat insulating walls 9 to 13 will be described later.
Horizontal beam members 51, 52, and 53 are installed in the horizontal direction at the left and right edges of the opening of the heat insulation box 2. Further, the horizontal beam members 52 and 53 are provided with a vertical beam member 54 in the middle in the horizontal direction. Is installed vertically. A first partition wall 55 for partitioning the storage chamber is attached to the rear side of the cross beam member 51, and a second partition wall 56 for partitioning the storage chamber is attached to the rear side of the cross beam member 52. Yes.

前記第１の仕切り壁５５は断熱箱体２内において当該第１の仕切り壁５５上方に貯蔵室としての冷蔵室５７を形成し、第２の仕切り壁５６は第１の仕切り壁５５との間に貯蔵室としての野菜室５８を形成している。さらに、正面から見て横梁部材５２と同じく横梁部材５３との間の空間領域で縦梁部材５４よりも右側を貯蔵室としての小冷凍室５９とし、左側を貯蔵室としての製氷室６０としている。そして、正面から見て横梁部材５３の下方空間領域を貯蔵室としての冷凍室６１としている。
前記冷蔵室５７は、前記回転扉３、４によって開閉される。又、野菜室５８は、その前面開口が前記引き出し式扉５によって開閉され、この引き出し式扉５の裏面側には図示しない野菜容器が一体に取り付けられている。 The first partition wall 55 forms a refrigerating chamber 57 as a storage chamber above the first partition wall 55 in the heat insulating box 2, and the second partition wall 56 is between the first partition wall 55 and the first partition wall 55. A vegetable room 58 is formed as a storage room. Further, as viewed from the front, in the space region between the horizontal beam member 53 and the horizontal beam member 53, the right side of the vertical beam member 54 is a small freezing room 59 as a storage room, and the left side is an ice making room 60 as a storage room. . And the space area below the cross beam member 53 when viewed from the front is a freezing room 61 as a storage room.
The refrigerator compartment 57 is opened and closed by the rotary doors 3 and 4. Further, the front opening of the vegetable compartment 58 is opened and closed by the pull-out door 5, and a vegetable container (not shown) is integrally attached to the rear face side of the pull-out door 5.

又、前記小冷凍室５９は、その前面開口が前記引き出し式扉６によって開閉され、この引き出し式扉６の裏面側には図示しない被冷凍品収容容器が一体に取り付けられている。
さらに前記製氷室６０は、その前面開口が前記引き出し式扉７によって開閉され、この引き出し式扉７の裏面側には図示しない氷受け容器が一体に取り付けられている。 The small freezing chamber 59 has a front opening opened and closed by the pull-out door 6, and a frozen product storage container (not shown) is integrally attached to the back side of the pull-out door 6.
Further, the ice making chamber 60 has its front opening opened and closed by the pull-out door 7, and an ice receiving container (not shown) is integrally attached to the back side of the pull-out door 7.

さらに又、前記冷凍室６１は、その前面開口が前記引き出し式扉８によって開閉され、この引き出し式扉８の裏面側には図示しない被冷凍品収容容器が一体に取り付けられている。
前記第２の仕切り壁５６は貯蔵温度差の大きい野菜室５８と小冷凍室５９及び製氷室６０とを断熱的に仕切るために発泡スチロールや発泡ウレタンなどの断熱材を有して構成され、また、第１の仕切り壁５５はさほど貯蔵温度差の大きくない冷蔵室５７と野菜室５８とを仕切るために例えば合成樹脂製板材から構成されている。 Furthermore, the freezing chamber 61 has a front opening opened and closed by the pull-out door 8, and a to-be-frozen product storage container (not shown) is integrally attached to the back side of the pull-out door 8.
The second partition wall 56 is configured to have a heat insulating material such as polystyrene foam or urethane foam in order to thermally partition the vegetable room 58, the small freezer room 59, and the ice making room 60 having a large storage temperature difference. The first partition wall 55 is made of, for example, a synthetic resin plate material in order to partition the refrigeration room 57 and the vegetable room 58 that have a very small storage temperature difference.

さて、上記断熱箱体２及び断熱壁９〜１３について詳述する。まず、図２〜図４において、断熱箱体２の全体的な外郭を構成する外箱１４は、左外面を構成する左外板部１４Ａと、右外板部１４Ｂと、上外板部１４Ｃと、下外板部１４Ｄと、後外板部１４Ｅとを分割して有する。これら各外板部はいずれも鋼板から構成されており、左外板部１４Ａと右外板部１４Ｂとは左右対称形をなす。   Now, the heat insulation box 2 and the heat insulation walls 9 to 13 will be described in detail. First, in FIGS. 2 to 4, the outer box 14 constituting the overall outline of the heat insulating box 2 includes a left outer plate part 14 </ b> A, a right outer plate part 14 </ b> B, and an upper outer plate part 14 </ b> C that constitute the left outer surface. And a lower outer plate portion 14D and a rear outer plate portion 14E. Each of these outer plate portions is made of a steel plate, and the left outer plate portion 14A and the right outer plate portion 14B are symmetrical.

又、断熱箱体２の内面を構成する内箱１５は、左内面を構成する左内板部１５Ａと、右内面を構成する右内板部１５Ｂと、上内面を構成する上内板部１５Ｃと、下内面を構成する下内板部１５Ｄと、奥内面を構成する奥内板部１５Ｅとを分割して有する。つまり、複数この場合５つの内板部を有する。   The inner box 15 constituting the inner surface of the heat insulating box 2 includes a left inner plate portion 15A constituting the left inner surface, a right inner plate portion 15B constituting the right inner surface, and an upper inner plate portion 15C constituting the upper inner surface. The lower inner plate portion 15D constituting the lower inner surface and the inner inner plate portion 15E constituting the inner inner surface are divided. That is, in this case, it has five inner plate portions.

前記左内板部１５Ａと右内板部１５Ｂとは左右対称形をなし、いずれも、例えば合成樹脂製（例えばＡＢＳ樹脂）の平板状のシート部材Ｓａからなる。なお、図５において、シート部材Ｓａは、後述する固定具２６、棚板支持具３０、ガイドレール取付具３３、３４、仕切り壁支持具３５、３６を予め取り付けた形態で示されている。   The left inner plate portion 15A and the right inner plate portion 15B have a bilaterally symmetric shape, and each includes a flat sheet member Sa made of, for example, synthetic resin (for example, ABS resin). In FIG. 5, the sheet member Sa is shown in a form in which a fixture 26, a shelf support 30, guide rail attachments 33 and 34, and partition wall supports 35 and 36, which will be described later, are attached in advance.

又、図６にも示すように、上内板部１５Ｃは、折れ曲がり部として庫内へ膨出するＬ状部１７を一体に有する合成樹脂（例えばオレフィン樹脂）の一体成形品Ｉａからなる。
又、図７にも示すように、下内板部１５Ｄは、折れ曲がり部としての排水受け部１８を一体に有する合成樹脂の一体成形品Ｉｂからなる。これら一体成形品Ｉａ、Ｉｂはインジェクション成形や真空成形により形成されている。 As shown in FIG. 6, the upper inner plate portion 15 </ b> C is made of a synthetic resin (for example, olefin resin) integrally formed product Ia integrally including an L-shaped portion 17 that bulges into the cabinet as a bent portion.
Further, as shown in FIG. 7, the lower inner plate portion 15D is formed of a synthetic resin integrally formed product Ib integrally including a drainage receiving portion 18 as a bent portion. These integrally molded products Ia and Ib are formed by injection molding or vacuum molding.

又、奥内板部１５Ｅは合成樹脂製の平板状のシート部材Ｓｂからなる。なお、前記シート部材Ｓａ及びこのシート部材Ｓｂは、特別形状の成形型を用いないで、押出し成形や圧延成形などで製造できる。又、市販品の平板状のシート部材を使用しても良い。
又、図４に示すように、前記外箱１４と内箱１５との間には、真空断熱パネル１６が設けられており、この真空断熱パネル１６は、夫々単位パネルである、左単位パネル１６Ａと、右単位パネル１６Ｂと、上単位パネル１６Ｃ（図１０に図示）と、下単位パネル（図示せず）と、奥単位パネル１６Ｅとを分割して有する。各単位パネルは、基本的な構成は同じであるので、例えば左単位パネル１６Ａについて説明する。 Further, the back inner plate portion 15E is made of a flat sheet member Sb made of synthetic resin. The sheet member Sa and the sheet member Sb can be manufactured by extrusion molding, rolling molding, or the like without using a specially shaped molding die. Further, a commercially available flat sheet member may be used.
Further, as shown in FIG. 4, a vacuum heat insulation panel 16 is provided between the outer box 14 and the inner box 15, and the vacuum heat insulation panel 16 is a left unit panel 16A which is a unit panel. A right unit panel 16B, an upper unit panel 16C (shown in FIG. 10), a lower unit panel (not shown), and a back unit panel 16E. Since each unit panel has the same basic configuration, for example, the left unit panel 16A will be described.

この左単位パネル１６Ａは、図８及び図９に示すように、基材１９を包体２０に収容し、その内部を真空排気により減圧密封させて構成されている。基材１９は例えばグラスウールなどの無機繊維の積層材を圧縮硬化させて板状に成形されたものである。包体２０はガスバリア性能を得るために、例えばアルミ蒸着層やアルミ箔層などの金属層を含んで構成されている。各単位パネルも一般的には真空断熱パネルとして呼ばれるものである。   As shown in FIGS. 8 and 9, the left unit panel 16 </ b> A is configured by accommodating a base material 19 in a package 20 and sealing the inside thereof under reduced pressure by evacuation. The base material 19 is formed by compressing and curing a laminated material of inorganic fibers such as glass wool and forming into a plate shape. In order to obtain gas barrier performance, the envelope 20 includes a metal layer such as an aluminum vapor deposition layer or an aluminum foil layer. Each unit panel is also generally called a vacuum heat insulation panel.

前述した左側断熱壁９は、図５に示すように、左外板部１４Ａと左内板部１５Ａとの間に左単位パネル１６Ａを配置し、これら三者を接着剤により接着して単位断熱壁として構成されている。
そして、外箱１４と内箱１５とにおける前端部、つまり左側断熱壁９及び右側断熱壁１０の前端部は、図８に示すように、断熱性材である合成樹脂製の前端用連結部材２１により連結されている。この場合、左側断熱壁９の前端部及び右側断熱壁１０の前端部は、左右対称形であるので、左側断熱壁９の前端部の構成について説明する。 As shown in FIG. 5, the left heat insulating wall 9 is provided with a left unit panel 16A disposed between the left outer plate portion 14A and the left inner plate portion 15A, and these three members are bonded together with an adhesive to provide unit heat insulation. It is configured as a wall.
And the front-end part in the outer box 14 and the inner box 15, ie, the front-end part of the left side heat insulation wall 9 and the right side heat insulation wall 10, as shown in FIG. 8, the synthetic resin front end connection member 21 made of a synthetic resin. It is connected by. In this case, since the front end portion of the left heat insulating wall 9 and the front end portion of the right heat insulating wall 10 are bilaterally symmetric, the configuration of the front end portion of the left heat insulating wall 9 will be described.

この左側断熱壁９において、左外板部１４Ａ前端部及び左内板部１５Ａ前端部は夫々左単位パネル１６Ａから前方に突出し、左外板部１４Ａさらに内側へ折曲されている。この折曲部１６Ａａは、前端途中まで延びており、断熱箱体２の内側（貯蔵室側）には入り込まない構成であり、外箱１４（左外板部１４Ａ）の熱（外気熱）が貯蔵室へ伝わることを防止している。
そして、左単位パネル１６Ａ前端、左外板部１４Ａ前端部内面、前端用連結部材２１内面で形成された内部空間部には断熱材例えばソフトテープ２２が挿入配置されている。なお、このソフトテープ２２に代えて発泡スチロールでも良い。 In the left heat insulating wall 9, the left outer plate portion 14A front end portion and the left inner plate portion 15A front end portion protrude forward from the left unit panel 16A, respectively, and are bent further inwardly to the left outer plate portion 14A. This bent portion 16Aa extends to the middle of the front end and does not enter the inside (storage chamber side) of the heat insulating box 2, and the heat (outside air heat) of the outer box 14 (left outer plate portion 14A) is generated. Prevents transmission to the storage room.
A heat insulating material such as a soft tape 22 is inserted and disposed in the internal space formed by the front end of the left unit panel 16A, the inner surface of the front end portion of the left outer plate portion 14A, and the inner surface of the front end connecting member 21. Instead of the soft tape 22, a polystyrene foam may be used.

右側断熱壁１０もこの左側断熱壁９と同様（左右対称形）に構成されている。
又上側断熱壁１１は、図２及び図１０に示すように、前述した上内板部１５Ｃと上外板部１４Ｃとの間に上単位パネル１６Ｃを配置し、上内板部１５Ｃと上単位パネル１６Ｃとを接着剤により接着し、上単位パネル１６Ｃと上外板部１４Ｃとの間に発泡ウレタン２４を充填固化して構成されている。この場合、上内板部１５Ｃは前述したように、折れ曲がり部として庫内へ膨出するＬ状部１７を一体に有する合成樹脂の一体成形品Ｉａからなるものであり、これに対して前記上外板部１４Ｃも図２に示すように、同様にＬ状部１７ａを有し、当該上側断熱壁１１は、全体として後部が下側に突出する形態をなし、換言すれば後部に凹状部１１ａが形成された形態をなす。そして、この上側断熱壁１１の前記凹状部１１ａ後方空間部により機械室１１ｂが構成されており、この機械室１１ｂには、冷凍サイクルのコンプレッサや凝縮器などが配置されている。 The right heat insulating wall 10 is also configured in the same manner as the left heat insulating wall 9 (symmetrical shape).
Further, as shown in FIGS. 2 and 10, the upper heat insulating wall 11 has an upper unit panel 16C disposed between the upper inner plate part 15C and the upper outer plate part 14C, and the upper inner plate part 15C and the upper unit. The panel 16C is bonded with an adhesive, and the urethane foam 24 is filled and solidified between the upper unit panel 16C and the upper outer plate portion 14C. In this case, as described above, the upper inner plate portion 15C is made of the synthetic resin integral molded product Ia integrally including the L-shaped portion 17 that bulges into the warehouse as the bent portion, and the upper As shown in FIG. 2, the outer plate portion 14 </ b> C similarly has an L-shaped portion 17 a, and the upper heat insulating wall 11 has a form in which the rear portion protrudes downward as a whole, in other words, a concave portion 11 a at the rear portion. Is formed. And the machine room 11b is comprised by the said recessed part 11a back space part of this upper side heat insulation wall 11, The compressor, the condenser, etc. of the refrigerating cycle are arrange | positioned at this machine room 11b.

図１０において、上単位パネル１６Ｃと上外板部１４Ｃとの間の間隔（発泡ウレタン２４が充填されている部分）は、上単位パネル１６Ｃの厚みよりも小となっており、且つ冷凍サイクルの配管（サクションパイプ）の外径よりも小となっている。これにより発泡ウレタン２４の使用量を少なくしている。この図１０において冷凍サイクルの配管を引き回す場合、上単位パネル１６Ｃ左端面と、右単位パネル１６Ａの上端面と外板部１４Ｃコーナー部で囲まれた部分に配管を前後方向に通すようにしても良い。   In FIG. 10, the interval between the upper unit panel 16C and the upper outer plate portion 14C (the portion filled with the urethane foam 24) is smaller than the thickness of the upper unit panel 16C, and the refrigeration cycle It is smaller than the outer diameter of the piping (suction pipe). As a result, the amount of urethane foam 24 used is reduced. In FIG. 10, when the piping of the refrigeration cycle is routed, the piping may be passed in the front-rear direction through the left end surface of the upper unit panel 16C, the upper end surface of the right unit panel 16A, and the outer plate portion 14C. good.

そして、上記機械室１１ｂは図３の機械室カバー１１ｃにより閉塞している。
又、上外板部１４Ｃの左右端部は、左端部側のみを示す図１０から分かるように、上単位パネル１６Ｃ上面から離間して左側断熱壁９の左外板部１４Ａ及び右外板部１４Ｂと連結されている。又、上内板部１５Ｃには、その両側縁部に内箱側壁である左内板部１５Ａと連結するための連結部１５Ｃ１（図６も参照）を有し、この連結部１５Ｃ１の先端部が左内板部１５Ａに図示しない連結具により連結されている。 The machine room 11b is closed by a machine room cover 11c shown in FIG.
Further, as can be seen from FIG. 10 showing only the left end side, the left and right end portions of the upper outer plate portion 14C are spaced apart from the upper surface of the upper unit panel 16C and the left outer plate portion 14A and the right outer plate portion of the left heat insulating wall 9. 14B. Further, the upper inner plate portion 15C has a connecting portion 15C1 (see also FIG. 6) for connecting to the left inner plate portion 15A, which is the inner box side wall, on both side edges, and the distal end portion of the connecting portion 15C1. Is connected to the left inner plate portion 15A by a connector (not shown).

この場合、左側の連結部１５Ｃ１について説明するが、右側の連結部も同様（左右対称形）の構成である。この連結部１５Ｃ１の先端部内側には、図１０に示すように、上方へ突出するリブ１５Ｃ２が形成されており、このリブ１５Ｃ２と左内板部１５Ａとの間に断熱材漏れ防止部材として例えばソフトテープ２３が挿入されている。さらに、上単位パネル１６Ｃ上方から内部コーナー部にかけて断熱材例えば前記発泡ウレタン２４が充填固化されており、この場合前記ソフトテープ２３が当該発泡ウレタン２４の充填時での漏れを防止している。   In this case, the left connecting portion 15C1 will be described, but the right connecting portion has the same configuration (symmetrical shape). As shown in FIG. 10, a rib 15C2 that protrudes upward is formed on the inner side of the distal end portion of the connecting portion 15C1, and an insulating material leakage preventing member is provided between the rib 15C2 and the left inner plate portion 15A, for example. A soft tape 23 is inserted. Further, a heat insulating material, for example, the foamed urethane 24 is filled and solidified from above the upper unit panel 16 </ b> C to the inner corner, and in this case, the soft tape 23 prevents leakage when the foamed urethane 24 is filled.

又、下側断熱壁１２は、下外板部１４Ｄと下内板部１５Ｄとの間に図示しない下単位パネルを配置しこれら三者を接着剤により接着して単位断熱壁として構成されている。なお、この下側断熱壁１２は、下内板部１５Ｄと下単位パネルとを接着し、この下単位パネルと下外板部１４Ｄとの間に発泡ウレタンを充填固化して構成しても良い。この下側断熱壁１２においては、排水受け部１８最下部は断熱箱体２外部に連通している。   The lower heat insulating wall 12 is configured as a unit heat insulating wall by disposing a lower unit panel (not shown) between the lower outer plate portion 14D and the lower inner plate portion 15D and bonding these three members with an adhesive. . The lower heat insulating wall 12 may be configured by bonding the lower inner plate portion 15D and the lower unit panel and filling and solidifying urethane foam between the lower unit panel and the lower outer plate portion 14D. . In the lower heat insulating wall 12, the lowermost portion of the drainage receiving portion 18 communicates with the outside of the heat insulating box 2.

なお、奥側断熱壁１３も後外板部１４Ｅと奥内板部１５Ｅとの間に奥単位パネル１６Ｅを配置し、これら三者を接着剤により接着して構成されている。この場合も、適宜発泡ウレタンを充填固化した構成を追加しても良い。
なお、前記オレフィン樹脂からなる一体成形品Ｉａ、Ｉｂ（上内板部１５Ｃ、下内板部１５Ｄ）における単位パネルとの接着面は、粗い面となるように表面加工することで、単位パネルとの接着性を良くしている。又、ＡＢＳ樹脂からなるシート部材Ｓａ、Ｓｂ（左内板部１５Ａ、右内板部１５Ｂ、奥内板部１５Ｅ）は単位パネルとの接着性が良い。 In addition, the back side heat insulation wall 13 also arrange | positions the back unit panel 16E between the back outer board part 14E and the back inner board part 15E, and adhere | attaches these three with an adhesive agent. In this case, a configuration in which urethane foam is filled and solidified as appropriate may be added.
In addition, the unit surface of the unit molded product Ia, Ib (upper inner plate portion 15C, lower inner plate portion 15D) made of the olefin resin is processed so as to be a rough surface. The adhesion is improved. Further, the sheet members Sa and Sb (the left inner plate portion 15A, the right inner plate portion 15B, and the inner depth plate portion 15E) made of ABS resin have good adhesion to the unit panel.

ここで、左側断熱壁９と奥側断熱壁１３との連結構成について、図９、図１１〜図１４を参照して説明する。この左側断熱壁９と奥側断熱壁１３とは、シート部材用連結部材としてのシート部材用連結板２５、シート部材と別部品の突出部としての固定具２６などを用いて連結されている。又、右側断熱壁１０と奥側断熱壁１３との連結構成も、左側断熱壁９と奥側断熱壁１３との連結構成と同様（左右対称形）であり、以下、左側断熱壁９と奥側断熱壁１３との連結構成について説明する。   Here, the connection structure of the left side heat insulation wall 9 and the back side heat insulation wall 13 is demonstrated with reference to FIG. 9, FIG. The left heat insulating wall 9 and the back heat insulating wall 13 are connected to each other by using a sheet member connecting plate 25 as a sheet member connecting member, a fixing member 26 as a protruding portion of a separate part from the sheet member, and the like. Further, the connection structure between the right heat insulation wall 10 and the back heat insulation wall 13 is the same as the connection structure between the left heat insulation wall 9 and the back heat insulation wall 13 (symmetrical). A connection structure with the side heat insulating wall 13 will be described.

まず、固定具２６について説明する。この固定具２６は合成樹脂製例えばＡＢＳ樹脂製であり、左側断熱壁９と奥側断熱壁１３とに取り付けられている。この固定具２６自体の構造もこれの取付構造も、これら左側断熱壁９及び奥側断熱壁１３において同じであるので、左側断熱壁９の固定具２６について述べる。この固定具２６は合成樹脂から構成されており、やや縦長な矩形状をなし、一端部側に上下方向に突出する鍔状部２６ａ、２６ａを有している。さらにこの固定具２６は、他端面から一端部方向へねじ孔部２６ｃが形成されている。   First, the fixture 26 will be described. The fixture 26 is made of synthetic resin, for example, ABS resin, and is attached to the left heat insulating wall 9 and the back heat insulating wall 13. Since the structure of the fixture 26 itself and the mounting structure thereof are the same in the left heat insulating wall 9 and the back heat insulating wall 13, the fixing tool 26 of the left heat insulating wall 9 will be described. The fixture 26 is made of a synthetic resin, has a slightly vertically long rectangular shape, and has hook-shaped portions 26a and 26a protruding in the vertical direction on one end side. Further, the fixing tool 26 is formed with a screw hole portion 26c from the other end surface toward one end portion.

この固定具２６は、左側断熱壁９が組み立てられる前の段階において、左単位パネル１６Ａに例えば直接接着剤により接着されている。そしてこの固定具２６は、左内板部１５Ａ（シート部材Ｓａ）に予め形成されたやや縦長な矩形状の孔部１５ｕに、その裏側から表側へ挿入配置され、左単位パネル１６Ａと、左内板部１５Ａ裏面（固定具２６の左単位パネル１６Ａ側の端面も含む）とが接着剤により接着されている。この場合、鍔状部２６ａ、２６ａはシート部材である左内板部１５Ａと真空断熱パネルである左単位パネル１６Ａにより挟持された形態となる。このように固定具２６が左側断熱壁９に取り付けられて内箱１５内に突出している。この固定具２６は、左側断熱壁９及び奥側断熱壁１３における隣接する夫々の端部において上下複数個所に設けられている。   The fixture 26 is bonded directly to the left unit panel 16A with, for example, an adhesive before the left heat insulating wall 9 is assembled. And this fixing tool 26 is inserted and arranged from the back side to the front side in a slightly vertically long rectangular hole portion 15u formed in the left inner plate portion 15A (sheet member Sa) in advance. The back surface of the plate portion 15A (including the end surface on the left unit panel 16A side of the fixture 26) is bonded with an adhesive. In this case, the bowl-shaped portions 26a and 26a are sandwiched between the left inner plate portion 15A that is a sheet member and the left unit panel 16A that is a vacuum heat insulating panel. Thus, the fixture 26 is attached to the left heat insulating wall 9 and protrudes into the inner box 15. The fixtures 26 are provided at a plurality of positions on the left and right heat insulating walls 9 and the back heat insulating wall 13 at adjacent positions.

又、前記シート部材用連結板２５は、左内板部１５Ａとほぼ同じ長さ（高さ）を有し、このシート部材用連結板２５における横方向の両端部には、前記各固定具２６と対応してＬ形凹状の凹み部２５ａ、２５ａが形成されており、これら凹み部２５ａ、２５ａにはねじ挿通孔部２５ｂ、２５ｂが形成されている。そして、このねじ挿通孔部２５ｂを通したねじ２７を前記固定具２６のねじ孔部２６ｃに螺合することにより、左側断熱壁９の左内板部１５Ａと奥側断熱壁１３の奥内板部１５Ｅとがこのシート部材用連結部材２５により連結されている。このシート部材用連結板２５は、冷蔵室５７、野菜室５８、小冷凍室５９、製氷室６０、冷凍室６１の両側のコーナーに位置する。   The sheet member connecting plate 25 has substantially the same length (height) as the left inner plate portion 15A, and the fixing members 26 are disposed at both lateral ends of the sheet member connecting plate 25. L-shaped concave portions 25a and 25a are formed corresponding to the above, and screw insertion holes 25b and 25b are formed in the concave portions 25a and 25a. Then, by screwing the screw 27 passed through the screw insertion hole portion 25b into the screw hole portion 26c of the fixture 26, the left inner plate portion 15A of the left heat insulating wall 9 and the inner plate of the rear heat insulating wall 13 are connected. The portion 15E is connected by the connecting member 25 for sheet member. The connecting plate 25 for sheet members is located at the corners on both sides of the refrigerator compartment 57, the vegetable compartment 58, the small freezer compartment 59, the ice making room 60, and the freezer compartment 61.

なお、シート部材用連結板２５の裏側空間部には断熱材である発泡スチロール２８及びソフトテープ２９が挿入配置されている。
又、冷凍サイクルの配管を、図９において発泡スチロール２８部分に上下方向に通しても良い。 In addition, a polystyrene foam 28 and a soft tape 29, which are heat insulating materials, are inserted and disposed in the space on the back side of the connecting plate 25 for the sheet member.
Further, the piping of the refrigeration cycle may be passed vertically through the expanded polystyrene 28 portion in FIG.

さらに、前記左側断熱壁９及び右側断熱壁１０には、図１及び図５に示すように、シート部材とは別部品で構成される突出部としての合成樹脂製の棚板支持具３０が取り付けられている。左側断熱壁９及び右側断熱壁１０において棚板支持具３０の取付構成は同じであるので、左側断熱壁９の棚板支持具３０の構成及び取付構成について、図１６〜図１８も参照して説明する。   Further, as shown in FIG. 1 and FIG. 5, a synthetic resin shelf board support 30 is attached to the left heat insulating wall 9 and the right heat insulating wall 10 as a protruding portion constituted by a separate part from the sheet member. It has been. Since the left and right heat insulation walls 9 and 10 have the same mounting structure of the shelf support 30, the structure and mounting structure of the shelf support 30 of the left heat insulation wall 9 are also referred to with reference to FIGS. 16 to 18. explain.

この棚板支持具３０は、板状の本体部３０ａに、棚板支持部３０ｂを上下３か所に一体に突設した構成であり、この棚板支持具３０の裏面には、前記棚板支持部３０ｂに対応する位置で締結部材係合部としてのねじ孔部３０ｃが形成されており、このねじ孔部３０ｃの開口周縁部は皿状の座ぐり３０ｄが形成されている。   This shelf board support 30 has a configuration in which a shelf board support portion 30b is integrally projected at three positions on a plate-shaped main body portion 30a. A screw hole portion 30c as a fastening member engaging portion is formed at a position corresponding to the support portion 30b, and a countersunk counterbore 30d is formed at the opening peripheral portion of the screw hole portion 30c.

そして、左側断熱壁９の左内板部１５Ａにおける冷蔵室５７相当部位の上下３か所には、締結部材挿通孔部としてのねじ挿通孔部３１（図１７に一つのみ図示）が形成されている。そして左側断熱壁９の組み立て前において、締結部材としての皿ねじ３２を左内板部１５Ａ裏側から前記ねじ挿通孔部３１を通し、前記棚板支持具３０の前記ねじ孔部３０ｃに螺合することで棚板支持具３０を左内板部１５Ａ内面に固定し、もって、棚板支持具３０を冷蔵室５７における内箱１５内面に突設している。この場合、皿ねじ３２を螺合してゆく（ねじ込んでゆく）過程で、皿ねじ３２の皿状のねじ頭部３２ａが、シート部材であることで若干の変形が可能な左内板部１５Ａのねじ挿通孔部３１周縁部を、前記座ぐり３０ｄに当たるまで、皿状に変形（庫内側へ膨出）させる。この結果、図１８に示す左側断熱壁９の組み立て状態において、当該ねじ挿通孔部３１の周縁部３１ａが、左単位パネル１６Ａに対して離間し、皿ねじ３２は左内板部１５Ａの裏面から当該左単位パネル１６Ａ方向へ突出しない形態となる。   Then, screw insertion hole portions 31 (only one is shown in FIG. 17) as fastening member insertion hole portions are formed at the upper and lower three portions of the left inner plate portion 15A of the left heat insulating wall 9 corresponding to the refrigerator compartment 57. ing. Before assembling the left heat insulating wall 9, a countersunk screw 32 as a fastening member is passed through the screw insertion hole 31 from the back side of the left inner plate 15 </ b> A and screwed into the screw hole 30 c of the shelf support 30. Thus, the shelf support member 30 is fixed to the inner surface of the left inner plate portion 15 </ b> A, and the shelf support member 30 is projected from the inner surface of the inner box 15 in the refrigerator compartment 57. In this case, in the process in which the countersunk screw 32 is screwed (screwed in), the countersunk screw head 32a of the countersunk screw 32 is a sheet member, so that the left inner plate part 15A can be slightly deformed. The peripheral edge of the screw insertion hole 31 is deformed into a dish shape (inflated to the inner side) until it hits the counterbore 30d. As a result, in the assembled state of the left heat insulating wall 9 shown in FIG. 18, the peripheral edge 31a of the screw insertion hole 31 is separated from the left unit panel 16A, and the flat head screw 32 is from the back surface of the left inner plate 15A. It becomes the form which does not protrude in the said left unit panel 16A direction.

さらに、野菜室５８における内箱１５内面（両側面）には、シート部材とは別部品で構成される突出部としての合成樹脂製のガイドレール取付具３３（左のもののみ図示）が備えられている。又、冷凍室６１における内箱１５内面（両側面）にも、シート部材とは別部品で構成される突出部としての合成樹脂製のガイドレール取付具３４（左のもののみ図示）が備えられている。   Furthermore, the inner surface 15 (both side surfaces) of the inner box 15 in the vegetable compartment 58 is provided with a guide rail fixture 33 (only the left one is shown) made of synthetic resin as a projecting portion that is a separate part from the sheet member. ing. In addition, the inner surface (both side surfaces) of the inner box 15 in the freezer compartment 61 is also provided with a guide rail fixture 34 (only the left one is shown) made of synthetic resin as a projecting portion that is a separate part from the seat member. ing.

これらガイドレール取付具３３、３４も、前記棚板支持具３０と同じ取付構造により左側断熱壁９の左内板部１５Ａ、右側断熱壁１０の右内板部１５Ｂに取り付けられている。なお、このガイドレール取付具３３は、引き出し式扉５と一体化された前記野菜容器を引き出し可能に支持するガイドレールを取り付けるためのものであり、又、ガイドレール取付具３４は、引き出し式扉８と一体化された前記冷凍品収容容器を引き出し可能に支持するガイドレールを取り付けるためのものである。   These guide rail attachments 33 and 34 are also attached to the left inner plate portion 15 </ b> A of the left heat insulating wall 9 and the right inner plate portion 15 </ b> B of the right heat insulating wall 10 by the same attachment structure as the shelf support 30. In addition, this guide rail attachment 33 is for attaching the guide rail which supports the said vegetable container integrated with the drawer-type door 5 so that pull-out is possible, and the guide rail attachment 34 is a drawer-type door 8 is for attaching a guide rail that supports the refrigerated product storage container integrated with 8 so as to be drawable.

又、内箱１５内面（両側面）には、前記第１の仕切り壁５５を支持するための、シート部材とは別部品で構成される突出部としての合成樹脂製の仕切り壁支持具３５が備えられていると共に、前記第２の仕切り壁５６を支持するための、シート部材とは別部品で構成される突出部としての合成樹脂製の仕切り壁支持具３６が備えられている。これら仕切り壁支持具３５、３６は前記固定具２６と同じ取付構造により取り付けられている。   Further, on the inner surface (both side surfaces) of the inner box 15, there is a partition wall support 35 made of synthetic resin as a protruding portion configured as a separate part from the sheet member for supporting the first partition wall 55. In addition, a partition wall support 36 made of synthetic resin is provided as a projecting portion configured as a separate part from the sheet member for supporting the second partition wall 56. These partition wall supports 35 and 36 are attached by the same attachment structure as the fixture 26.

又、奥側断熱壁１３における内箱１５内面（シート部材Ｓｂからなる奥内板部１５Ｅ）には、適宜箇所に、シート部材とは別部品で構成される突出部としての合成樹脂製の背面カバー取付具３７が備えられている。この背面カバー取付具３７は、奥側断熱壁１３の前方部分に配置されるダクトなどを隠すための背面カバーを取り付けるためのものであり、前記固定具２６と同じ取付構造により取り付けられている。   Further, on the inner surface of the inner box 15 (the inner inner plate portion 15E made of the sheet member Sb) in the inner heat insulating wall 13, a synthetic resin rear surface as a protruding portion that is configured as a separate part from the sheet member at an appropriate place. A cover fixture 37 is provided. The back cover attachment 37 is for attaching a back cover for hiding a duct or the like disposed in the front portion of the back heat insulating wall 13 and is attached by the same attachment structure as the fixture 26.

前記各断熱壁９〜１３は、各内板部と各単位パネルとの間には発泡ウレタンの充填がない。
又、前記冷凍室６１の奥部には、冷凍サイクルの蒸発器６４が配設されており、この蒸発器６４の下方に前記排水受け部１８が位置し、当該蒸発器６４の付着霜が除霜されたときの除霜水などが排水受け部１８に受けられて、この排水受け部１８から奥側断熱壁１３外部下部に導出される。 The heat insulating walls 9 to 13 are not filled with urethane foam between the inner plate portions and the unit panels.
Further, an evaporator 64 of a refrigeration cycle is disposed at the back of the freezer compartment 61, and the drainage receiving portion 18 is located below the evaporator 64 to remove the adhering frost on the evaporator 64. Defrosted water or the like when frosted is received by the drain receiving part 18 and led out from the drain receiving part 18 to the outside lower part of the rear heat insulating wall 13.

なお、前記横梁部材５２と、前記左側断熱壁９及び右側断熱壁１０との連結部分の構成について図１５を参照して説明する。この図１５では、前記横梁部材５２と、前記左側断熱壁９との連結部分を示しているが、右側断熱壁１０での連結部分の構成も左右対称形で基本的に同じである。横梁部材５２は、前面部を構成する前面仕切り板５２ａと、補強板５２ｂと、裏仕切りカバー５２ｃと、断熱材５２ｄとを有している。一方、左側断熱壁９の左外板部１４Ａは、前面部１４Ａ１を有し、その先端部は折り返されている。   In addition, the structure of the connection part of the said cross beam member 52, the said left heat insulation wall 9, and the right heat insulation wall 10 is demonstrated with reference to FIG. In FIG. 15, a connecting portion between the cross beam member 52 and the left heat insulating wall 9 is shown, but the structure of the connecting portion at the right heat insulating wall 10 is basically the same in a left-right symmetric shape. The cross beam member 52 has a front partition plate 52a, a reinforcing plate 52b, a back partition cover 52c, and a heat insulating material 52d constituting the front surface portion. On the other hand, the left outer plate portion 14A of the left heat insulating wall 9 has a front surface portion 14A1, and the front end portion thereof is folded back.

前面仕切り板５２ａは、補強板５２ｂと前記左外板部１４Ａの折り返し部分１４Ａ２とで挟持されている。すなわち、前面仕切り板５２ａの端部を前記折り返し部分１４Ａ２裏側に宛がい、そして、補強板５２ｂの端部を左外板部１４Ａの前面部１４Ａ１裏側に挿入し、前面仕切り板５２ａ端部及び前記折り返し部分１４Ａ２を通したねじ６２を補強板５２ｂのねじ孔に螺合することで、前記前面仕切り板５２ａが上述のように挟持されている。なお、前面仕切り板５２ａと補強板５２ｂとは予めねじ６３により一体化されている。前面仕切り板５２ａの後側には前記断熱材５２ｄを収容した裏仕切りカバー５２ｃが取り付けられている。上述の前面仕切り板５２ａにより断熱箱体２における前面開口の左右縁部を連結することで、左側断熱壁９と右側断熱壁１０とが固定され、断熱箱体２における前面開口が開いたり縮んだりすることを防止でき、貯蔵室を直方体に保つことができる。   The front partition plate 52a is sandwiched between the reinforcing plate 52b and the folded portion 14A2 of the left outer plate portion 14A. That is, the end portion of the front partition plate 52a is directed to the back side of the folded portion 14A2, and the end portion of the reinforcing plate 52b is inserted to the back side of the front portion 14A1 of the left outer plate portion 14A. The front partition plate 52a is sandwiched as described above by screwing the screw 62 passed through the folded portion 14A2 into the screw hole of the reinforcing plate 52b. The front partition plate 52a and the reinforcing plate 52b are integrated in advance by screws 63. A rear partition cover 52c accommodating the heat insulating material 52d is attached to the rear side of the front partition plate 52a. By connecting the left and right edges of the front opening in the heat insulation box 2 with the front partition plate 52a described above, the left heat insulation wall 9 and the right heat insulation wall 10 are fixed, and the front opening in the heat insulation box 2 is opened or shrunk. Can be prevented, and the storage room can be kept in a rectangular parallelepiped.

なお、前記前面仕切り板５２ａの強度が高い場合には、前記補強板５２ｂはなくても良い。
又、前記裏仕切りカバー５２ｃは、図示しないが下方に突出する取付部を有し、この取付部が、前記固定具２６と同様の固定具によりねじ止めされている。 When the strength of the front partition plate 52a is high, the reinforcing plate 52b may be omitted.
The back partition cover 52c has a mounting portion that protrudes downward (not shown), and this mounting portion is screwed by a fixing tool similar to the fixing tool 26.

上述した第１実施形態によれば、内箱１５の左内板部１５Ａ、右内板部１５Ｂを平板状のシート部材Ｓａで構成し、奥内板部１５Ｅを平板状のシート部材Ｓｂで構成したから、これら左内板部１５Ａ、右内板部１５Ｂ、奥内板部１５Ｅについては、成形型を必要とせず、製作が極めて簡単となり、製作コストの低減にも寄与できる。なお、内箱１５における他の部分である上内板部１５Ｃ、下内板部１５Ｄについては型による一体成形品としたが、内箱１５全体を大きな型による一体成形品とする場合に比して製作が容易であり、又製作コストも低減できる。総じて冷蔵庫１のコストの低廉化に寄与できる。   According to the first embodiment described above, the left inner plate portion 15A and the right inner plate portion 15B of the inner box 15 are configured by the flat sheet member Sa, and the back inner plate portion 15E is configured by the flat sheet member Sb. Therefore, the left inner plate portion 15A, the right inner plate portion 15B, and the back inner plate portion 15E do not require a molding die, are extremely easy to manufacture, and can contribute to a reduction in manufacturing cost. The upper inner plate portion 15C and the lower inner plate portion 15D, which are the other parts of the inner box 15, are formed as an integrally molded product using a mold, but compared to a case where the entire inner box 15 is formed as an integrally molded product using a large mold. Manufacturing is easy and the manufacturing cost can be reduced. In general, the cost of the refrigerator 1 can be reduced.

この場合、左内板部１５Ａ、右内板部１５Ｂ、上内板部１５Ｃ、下内板部１５Ｄ、奥内板部１５Ｅの少なくとも一部をシート部材で構成すれば良い。
又、この実施形態では、前記内箱１５が、左内板部１５Ａ、右内板部１５Ｂ、上内板部１５Ｃ、下内板部１５Ｄ、奥内板部１５Ｅを有し、これら内板部において、隣接する二つの内板部である左内板部１５Ａ、奥内板部１５Ｅ、右内板部１５Ｂが別々のシート部材で分割して構成され、又、この隣接する内板部間である左内板部１５Ａと奥内板部１５Ｅとの間、及び右内板部１５Ｂと奥内板部１５Ｅとの間には、夫々隣接する内板部を連結するシート部材用連結部材としてのシート部材連結板２５、２５を設ける構成とした。 In this case, at least a part of the left inner plate portion 15A, the right inner plate portion 15B, the upper inner plate portion 15C, the lower inner plate portion 15D, and the back inner plate portion 15E may be formed of a sheet member.
In this embodiment, the inner box 15 has a left inner plate portion 15A, a right inner plate portion 15B, an upper inner plate portion 15C, a lower inner plate portion 15D, and a back inner plate portion 15E. The two inner plate portions, the left inner plate portion 15A, the back inner plate portion 15E, and the right inner plate portion 15B, are divided by separate sheet members, and between the adjacent inner plate portions. Between a certain left inner plate part 15A and the back inner plate part 15E, and between the right inner plate part 15B and the deep inner plate part 15E, as connecting members for sheet members for connecting adjacent inner plate parts, respectively. The sheet member connecting plates 25 and 25 are provided.

これによれば、シート部材からなる内板部１５Ａ及び１５Ｅ同士であっても、及び同じくシート部材からなる内板部１５Ｂ及び１５Ｅ同士であっても、別部品のシート部材用連結板２５、２５を用いることで簡単に連結することができ、組み立ての簡単化を図り得る。   According to this, even if it is inner plate part 15A and 15E which consist of sheet members, and it is also inner plate part 15B and 15E which consists of a sheet member, it is connecting plates 25 and 25 for sheet parts of another part. Can be easily connected, and the assembly can be simplified.

又、この第１実施形態では、外箱１４を、複数の分割された外板部この場合左外板部１４Ａ、右外板部１４Ｂ、上外板部１４Ｃ、下外板部１４Ｄ、後外板部１４Ｅから構成し、内箱１５も当該外箱１４と同様に複数の分割された内板部この場合左内板部１５Ａ、右内板部１５Ｂ、上内板部１５Ｃ、下内板部１５Ｄ、奥内板部１５Ｅから構成し、この複数の内板部のうち左内板部１５Ａ、右内板部１５Ｂ、奥内板部１５Ｅをシート部材Ｓａ、Ｓｂから構成し、さらに真空断熱パネル１６も同様に分割された複数の単位パネルこの場合左単位パネル１６Ａ、右単位パネル１６Ｂ、上単位パネル１６Ｃ、下単位パネル（図示せず）、奥単位パネル１６Ｅから構成し、これら分割された各外板部と前記内板部との間に前記分割された各単位パネルを配置して、複数の単位断熱壁としての左側断熱壁９、右側断熱壁１０、上側断熱壁１１、下側断熱壁１２、奥側断熱壁１３を構成し、断熱箱体２を、これらの断熱壁９〜１３を連結して構成した。   In the first embodiment, the outer box 14 is divided into a plurality of divided outer plate portions, in this case, the left outer plate portion 14A, the right outer plate portion 14B, the upper outer plate portion 14C, the lower outer plate portion 14D, and the rear outer plate. The inner box 15 is composed of a plurality of divided inner plate parts as in the outer box 14, in this case, the left inner plate part 15A, the right inner plate part 15B, the upper inner plate part 15C, and the lower inner plate part. 15D and back inner plate portion 15E, and among these inner plate portions, left inner plate portion 15A, right inner plate portion 15B and back inner plate portion 15E are formed from sheet members Sa and Sb, and a vacuum heat insulating panel 16 also includes a plurality of unit panels divided in this manner, in this case, a left unit panel 16A, a right unit panel 16B, an upper unit panel 16C, a lower unit panel (not shown), and a back unit panel 16E. The divided unit panels are arranged between the outer plate portion and the inner plate portion. The left heat insulating wall 9, the right heat insulating wall 10, the upper heat insulating wall 11, the lower heat insulating wall 12, and the back heat insulating wall 13 as a plurality of unit heat insulating walls are configured, and the heat insulating box 2 is made of these heat insulating walls. 9 to 13 were connected.

これによれば、断熱箱体２を、夫々が真空断熱パネルである単位パネルを備えた断熱壁９〜１３を組み立てることにより構成でき、組み立てが簡単である。従来では、断熱箱体を、それぞれ分割されていない外箱と内箱との組み立てにより構成していたため、大型で組み立て作業も大がかりであったが、この実施形態では、これに比べれば、組み立て作業も容易である。   According to this, the heat insulation box 2 can be comprised by assembling the heat insulation walls 9-13 provided with the unit panel which is a vacuum heat insulation panel, respectively, and an assembly is easy. Conventionally, since the heat insulation box was configured by assembling the outer box and the inner box which are not divided, the assembly work was large and the assembly work was large. Is also easy.

又、この第１実施形態によれば、内箱１５においてシート部材で構成された部分の前端部と外箱１４の前端部とを前端用連結部材２１により連結したから、内箱１５においてシート部材で構成された部分であっても外箱１４と別部品である前端用連結部材２１により簡単に組み立てる（接合する）ことができる。
又、この第１実施形態においては、内箱１５が折れ曲がり部であるＬ状部１７、排水受け部１８を備え、Ｌ状部１７を備えた部分である上内板部１５Ｃを、当該Ｌ状部１７を一体に形成した一体成形品から構成し、又、排水受け部１８を備えた部分である下内板部１５Ｄを、当該排水受け部１８を一体に形成した一体成形品から構成した。 Further, according to the first embodiment, the front end portion of the portion formed by the sheet member in the inner box 15 and the front end portion of the outer box 14 are connected by the connecting member 21 for the front end. Even if it is a part comprised by this, it can be easily assembled (joined) by the connecting member 21 for front ends which is a separate component from the outer case 14.
In the first embodiment, the inner box 15 is provided with an L-shaped portion 17 which is a bent portion and a drainage receiving portion 18, and the upper inner plate portion 15 C which is a portion including the L-shaped portion 17 is The part 17 is composed of an integrally molded product, and the lower inner plate part 15D, which is a part provided with the drainage receiving part 18, is composed of an integrally molded product in which the drainage receiving part 18 is integrally formed.

これによれば、Ｌ状部１７や排水受け部１８といった複雑な形を有する内板部は、型による一体成形品により構成することで、複雑な形状部分を形成することができる。
又、この第１実施形態においては、内箱１５には、シート部材Ｓａ、Ｓｂとは別部品で構成されて庫内に突出する突出部である固定具２６を備え、左側断熱壁９が組み立てられる前の段階において、当該固定具２６を、左単位パネル１６Ａに例えば直接接着剤により接着し、このシート部材Ｓａ、Ｓｂには、孔部１５ｕを形成し、この孔部１５ｕに、当該固定具２６を挿入配置する構成とした。 According to this, the inner plate part having complicated shapes such as the L-shaped part 17 and the drainage receiving part 18 can be formed as an integrally molded product by a mold, thereby forming a complicated shaped part.
Further, in the first embodiment, the inner box 15 is provided with a fixture 26 that is a protruding part that is configured as a separate part from the sheet members Sa and Sb and protrudes into the cabinet, and the left heat insulating wall 9 is assembled. In the previous stage, the fixture 26 is bonded directly to the left unit panel 16A with, for example, an adhesive, and a hole 15u is formed in the sheet members Sa and Sb, and the fixture 15 is formed in the hole 15u. 26 is inserted and arranged.

これによれば、固定具２６を上記孔部１５ｕに挿入することで、内箱１５（シート部材）における固定具２６の位置決めを図ることができる。なお、シート部材Ｓａ、Ｓｂとは別部品で構成されて庫内に突出する突出部である仕切り壁支持具３５、３６及び背面カバー取付具３７も、この固定具２６と同じ取付構造としているので、仕切り壁支持具３５、３６及び背面カバー取付具３７も同じように位置決めできる。   According to this, the fixing tool 26 can be positioned in the inner box 15 (sheet member) by inserting the fixing tool 26 into the hole 15u. Since the partition wall supports 35 and 36 and the back cover mounting tool 37, which are projecting portions that are configured separately from the sheet members Sa and Sb and project into the storage, have the same mounting structure as the fixing tool 26. The partition wall supports 35 and 36 and the back cover attachment 37 can be positioned in the same manner.

なお、この固定具２６は、左側断熱壁９が組み立てられる前の段階において、シート部材の孔部１５ｕに裏側から挿入し接着するようにしても良く、このようにすると、固定具２６とシート部材とを一体の状態で取り扱うことができて、単位断熱壁の組み立てる際に、単位パネルと、前記一体品とを接着でき、組み立て作業性が良くなる。   The fixing member 26 may be inserted and bonded to the hole 15u of the sheet member from the back side before the left heat insulating wall 9 is assembled. In this way, the fixing member 26 and the sheet member are bonded. Can be handled in an integrated state, and when the unit heat insulation wall is assembled, the unit panel and the integrated product can be bonded together, and the assembly workability is improved.

又、図１３に示すように、単位パネル１６Ａにおける固定具２６取付面がくぼんでいるから、これによりシート部材Ｓａが湾曲することなく、固定具２６の取り付けができる。
又、仮に単位パネル１６Ａが膨らんだ場合でも、内板部１５Ａがシート部材Ｓａから構成されているから、内板部１５Ａが割れることなく若干変形する程度で済む。
又、シート部材Ｓａ、Ｓｂに取り付ける上述の固定具２６、棚板支持具３０、ガイドレール取付具３３、３４、仕切り壁支持具３５、３６は、異なる機種の冷蔵庫の断熱箱体にも、共通に使用できる。 Further, as shown in FIG. 13, since the fixing surface of the fixing member 26 in the unit panel 16A is recessed, the fixing member 26 can be attached without bending the sheet member Sa.
Even if the unit panel 16A swells, the inner plate portion 15A is composed of the sheet member Sa, and therefore, the inner plate portion 15A may be slightly deformed without cracking.
In addition, the above-described fixture 26, shelf support 30, guide rail fixtures 33, 34, and partition wall supports 35, 36 attached to the sheet members Sa, Sb are common to the heat insulation boxes of different types of refrigerators. Can be used for

又、この第１実施形態によれば、上記固定具２６を真空断熱パネルである左単位パネル１６Ａ、右単位パネル１６Ｂ及び奥単位パネル１６Ｅに直接接着して各単位パネル１６Ａ、１６Ｂ、１６Ｅに固定する構成としたから、シート部材Ｓａからなる左内板部１５Ａ、右内板部１５Ｂ、シート部材Ｓｂからなる奥内板部１５Ｅの前記孔部１５ｕに固定具２６を挿入した際に当該固定具２６により各内板部１５Ａ、１５Ｂ、１５Ｅと各単位パネル１６Ａ、１６Ｂ、１６Ｅとの位置合わせを自ずと図ることができる。この場合、接着される前記固定具２６を、接着性の良いＡＢＳ樹脂製としているので、この固定具２６と各単位パネルとの接着強度も強くできる。
又、仕切り壁支持具３５、３６及び背面カバー取付具３７もこの固定具２６と同様の取付構造としているので、これら仕切り壁支持具３５、３６及び背面カバー取付具３７も、各内板部と各単位パネルとの位置合わせに寄与できる。 Further, according to the first embodiment, the fixture 26 is directly bonded to the left unit panel 16A, the right unit panel 16B, and the back unit panel 16E, which are vacuum heat insulating panels, and fixed to the unit panels 16A, 16B, and 16E. When the fixture 26 is inserted into the hole portion 15u of the inner left plate portion 15A made of the sheet member Sa, the right inner plate portion 15B, and the inner inner plate portion 15E made of the sheet member Sb, the fixture 26, the inner plate portions 15A, 15B, 15E and the unit panels 16A, 16B, 16E can be naturally aligned. In this case, since the fixing tool 26 to be bonded is made of ABS resin having good adhesiveness, the bonding strength between the fixing tool 26 and each unit panel can be increased.
In addition, since the partition wall supports 35 and 36 and the back cover attachment 37 have the same mounting structure as the fixture 26, the partition wall supports 35 and 36 and the back cover attachment 37 are also connected to the inner plate portions. It can contribute to alignment with each unit panel.

なお、前記固定具２６は別部材を介して左単位パネル１６Ａ、右単位パネル１６Ｂ、奥単位パネル１６Ｅに接着しても良い。
又、上記第１実施形態においては、前記固定具２６を、前記孔部１５ｕよりも大きい鍔状部２６ａ、２６ａを有する構成とし、当該鍔状部２６ａ、２６ａを、夫々、シート部材Ｓａ（左内板部１５Ａ、右内板部１５Ｂ）、Ｓｂ（奥内板部１５Ｅ）と、これらに対応する単位パネルとの間で挟持する構成とした。 The fixture 26 may be bonded to the left unit panel 16A, the right unit panel 16B, and the back unit panel 16E via separate members.
In the first embodiment, the fixture 26 is configured to have flanges 26a and 26a larger than the hole 15u, and the flanges 26a and 26a are respectively formed on the sheet member Sa (left). The inner plate portion 15A, the right inner plate portion 15B), Sb (back inner plate portion 15E), and the unit panel corresponding thereto are sandwiched.

これによれば、鍔状部２６ａ、２６ａにより固定具２６の孔部１５ｕからの抜けを防止できる。又、鍔状部２６ａ、２６ａを対応する内板部に接着することができ、当該対応する内板部の強度向上にも寄与できる。又、この鍔状部２６ａ、２６ａは薄肉であるので、これを撓ませて、内板部内面側から孔部１５ｕに挿入して、当該内板部と単位パネルとの間に入れることも可能となる。   According to this, the hook-like portions 26a and 26a can prevent the fixture 26 from coming off from the hole 15u. Further, the hook-shaped portions 26a and 26a can be bonded to the corresponding inner plate portion, which can contribute to the improvement of the strength of the corresponding inner plate portion. Also, since the flanges 26a, 26a are thin, they can be bent and inserted into the hole 15u from the inner surface of the inner plate portion, and inserted between the inner plate portion and the unit panel. It becomes.

又、この第１実施形態では、シート部材Ｓａとは別部品で構成されて庫内に突出する突出部として、棚板支持具３０を備え、このシート部材Ｓａ（左内板部１５Ａ、右内板部１５Ｂ）にはねじ挿通孔部３１を形成し、棚板支持具３０を、シート部材Ｓａ裏面側から前記ねじ挿通孔部３１を挿通した皿ねじ３２（締結部材）により当該シート部材Ｓａ表面側に固定する構成とした。
これによれば、シート部材Ｓａに、これとは別部品である棚板支持具３０を締結部材である皿ねじ３２で取り付けることができる。なお、この場合、締結部材としてはシート部材Ｓａと棚板支持具３０とを共締めするリベットでも良い。 Moreover, in this 1st Embodiment, the shelf board support tool 30 is provided as a protrusion part comprised by separate components from the sheet | seat member Sa, and protrudes in a store | warehouse | chamber, and this sheet member Sa (left inner plate part 15A, right inner plate | board | A screw insertion hole 31 is formed in the plate 15B), and the shelf support 30 is attached to the surface of the sheet member Sa by a countersunk screw 32 (fastening member) inserted through the screw insertion hole 31 from the back side of the sheet member Sa. It was set as the structure fixed to the side.
According to this, the shelf board support tool 30 which is a separate component can be attached to the sheet member Sa with the countersunk screws 32 which are fastening members. In this case, the fastening member may be a rivet for fastening the sheet member Sa and the shelf board support 30 together.

又、第１実施形態においては、前記ねじ挿通孔部３１の周縁部３１ａが真空断熱パネルである左単位パネル１６Ａ、右単位パネル１６Ｂから離間し、前記皿ねじ３２のねじ頭部３２ａがこのねじ挿通孔部３１の周縁部３１ａから左単位パネル１６Ａ側へ、又右単位パネル１６Ｂ側へ夫々突出しない構成とした。   In the first embodiment, the peripheral edge 31a of the screw insertion hole 31 is separated from the left unit panel 16A and the right unit panel 16B, which are vacuum heat insulation panels, and the screw head 32a of the countersunk screw 32 is the screw. It was set as the structure which does not protrude from the peripheral part 31a of the insertion hole part 31 to the left unit panel 16A side and the right unit panel 16B side, respectively.

これによれば、ねじ頭部３２ａが上記各内板部１５Ａ、１５Ｂ裏面から突出することがないから、当該ねじ頭部３２ａが各単位パネル１６Ａ、１６Ｂに接触することがなく当該各単位パネル１６Ａ、１６Ｂの包体２０が破れることを防止できる。又、左単位パネル１６Ａと左内板部１５Ａとの接着、及び右単位パネル１６Ｂと右内板部１５Ｂとの接着が夫々阻害されることがない。さらに、この場合、棚板支持具３０のねじ孔部３０ｃの開口周縁部皿状の座ぐり３０ｄを形成したことで、シート部材Ｓａにおけるねじ挿通孔部３１の周縁部３１ａが、皿ねじ３２の締め込み時に上記座ぐり３０ｄ方向へ変形して自ずと当該周縁部３１ａが左単位パネル１６Ａ、右単位パネル１６Ｂから離間するようになり、シート部材Ｓａに、ねじ頭部３２ａを納めるための凹部をわざわざ形成する必要がない。   According to this, since the screw head portion 32a does not protrude from the back surfaces of the inner plate portions 15A and 15B, the screw head portion 32a does not contact the unit panels 16A and 16B. , 16B can be prevented from being broken. Further, the adhesion between the left unit panel 16A and the left inner plate portion 15A and the adhesion between the right unit panel 16B and the right inner plate portion 15B are not hindered. Furthermore, in this case, the peripheral edge portion 31a of the screw insertion hole portion 31 in the sheet member Sa is formed of the counterbore screw 32 by forming the opening peripheral edge countersunk counterbore 30d of the screw hole portion 30c of the shelf support 30. When tightened, the peripheral edge 31a is naturally separated from the left unit panel 16A and the right unit panel 16B by being deformed in the direction of the counterbore 30d, and the sheet member Sa has a recess for accommodating the screw head 32a. There is no need to form.

なお、ガイドレール取付具３３、３４も、上記棚板支持具３０と同じ取付構造としているから、ガイドレール取付具３３、３４部分についても同様の効果を奏する。又、右側断熱壁１０に設けられた図示しない棚板支持具３０、ガイドレール取付具３３、３４部分についても同様の効果を奏する。   Since the guide rail attachments 33 and 34 have the same attachment structure as that of the shelf board support 30, the guide rail attachments 33 and 34 have the same effects. Further, the same effect can be obtained with respect to the shelf support 30 and the guide rail attachments 33 and 34 (not shown) provided on the right heat insulating wall 10.

＜第２実施形態＞
図１９〜図２７は、第２実施形態を示しており、この第２実施形態においては、左側断熱壁９´と右側断熱壁１０´の構造が第１実施形態と異なる。以下、異なる点について説明する。なお、左側断熱壁９´と右側断熱壁１０´とは左右対称形であるので、左側断熱壁９´について説明する。この左側断熱壁９´において内箱１５の一部である左内板部１５Ａ´は、突出部として、棚板支持部４０ａ、４０ｂ、４０ｃと、ガイドレール取付部４１ａ、４１ｂ、仕切り壁支持部４２ａ、４２ｂとを備えている。これら棚板支持部４０ａ、４０ｂ、４０ｃと、ガイドレール取付部４１ａ、４１ｂ、仕切り壁支持部４２ａ、４２ｂとを備えた左内板部１５Ａ´は、これら棚板支持部４０ａ、４０ｂ、４０ｃと、ガイドレール取付部４１ａ、４１ｂと、仕切り壁支持部４２ａ、４２ｂとを一体に形成した一体成形品Ｉｃから構成されている。この一体成形品Ｉｃは型による成形、例えばインジェクション成形や真空成形により形成されている。 Second Embodiment
FIGS. 19 to 27 show a second embodiment. In the second embodiment, the structures of the left heat insulating wall 9 ′ and the right heat insulating wall 10 ′ are different from those of the first embodiment. Hereinafter, different points will be described. Since the left heat insulating wall 9 'and the right heat insulating wall 10' are symmetrical, the left heat insulating wall 9 'will be described. In this left heat insulating wall 9 ′, the left inner plate portion 15A ′, which is a part of the inner box 15, has shelf plate support portions 40a, 40b, 40c, guide rail mounting portions 41a, 41b, partition wall support portions as protruding portions. 42a and 42b. The left inner plate portion 15A ′ including these shelf plate support portions 40a, 40b, and 40c, guide rail mounting portions 41a and 41b, and partition wall support portions 42a and 42b includes these shelf plate support portions 40a, 40b, and 40c. The guide rail mounting portions 41a and 41b and the partition wall support portions 42a and 42b are integrally formed from an integrally molded product Ic. The integrally molded product Ic is formed by molding using a mold, for example, injection molding or vacuum molding.

さらに、この左内板部１５Ａ´の奥側端部には、これと奥側断熱壁１３の奥内板部１５Ｅ（シート部材Ｓｂ）とを連結するためのシート部材用連結部材としてのシート部材用連結部２５´が一体に形成されている。このシート部材用連結部２５´は前述した奥内板部１５Ｅに取り付けられた固定具２６により奥側断熱壁１３に連結されている。   Further, a sheet member as a connecting member for a sheet member for connecting the left inner plate portion 15A ′ to the inner plate portion 15E (sheet member Sb) of the inner heat insulating wall 13 at the inner end portion of the left inner plate portion 15A ′. The connecting portion 25 ′ is integrally formed. The sheet member connecting portion 25 ′ is connected to the back heat insulating wall 13 by the fixture 26 attached to the above-described back inner plate portion 15 E.

前記棚板支持部４０ａ、４０ｂ、４０ｃと、ガイドレール取付部４１ａ、４１ｂとは、前後方向の長さが異なる（ガイドレール取付部４１ａ、４１ｂが長い）が断面形状は同じであり、又次に述べる補強構造も同じであるので、棚板支持部４０ａについて説明する。
この棚板支持部４０ａは、図２２〜図２５に示すように、一体成形品Ｉｃである左内板部１５Ａ´に庫内方向へ膨出するように突出されており、内面部の一部にねじボス部４３が形成されている。このねじボス部４３には、ねじ孔部４３ａが形成されている。 The shelf board support portions 40a, 40b, 40c and the guide rail attachment portions 41a, 41b have different lengths in the front-rear direction (the guide rail attachment portions 41a, 41b are long) but have the same cross-sectional shape. Since the reinforcing structure described in the above is the same, the shelf support portion 40a will be described.
As shown in FIGS. 22 to 25, the shelf board support portion 40 a protrudes from the left inner plate portion 15 </ b> A ′, which is an integrally molded product Ic, so as to bulge in the direction of the interior, and a part of the inner surface portion. A screw boss portion 43 is formed on the surface. The screw boss portion 43 is formed with a screw hole portion 43a.

そして、左内板部１５Ａ´におけるこの棚板支持部４０ａ内面部分には、補強部材としての例えば金属板製の補強板４４が取り付けられる。すなわち、この補強板４４は前記棚板支持部４０ａの内面に沿う形状に形成されており、ボス部嵌合部４４ａを有し、このボス部嵌合部４４ａにねじ挿通孔部４４ｂを形成している。この補強板４４を棚板支持部４０ａ内面部分に当て、ねじ挿通孔部４４ｂを通したねじ４５をねじ孔部４３ａに螺合することによってこの補強板４４を棚板支持部４０ａの内面に取り付け、もって当該棚板支持部４０ａを補強している。   A reinforcing plate 44 made of, for example, a metal plate, as a reinforcing member, is attached to the inner surface portion of the shelf plate support portion 40a in the left inner plate portion 15A ′. That is, the reinforcing plate 44 is formed in a shape along the inner surface of the shelf board support portion 40a, has a boss portion fitting portion 44a, and a screw insertion hole portion 44b is formed in the boss portion fitting portion 44a. ing. The reinforcing plate 44 is attached to the inner surface of the shelf board support portion 40a by applying the reinforcing plate 44 to the inner surface portion of the shelf board support portion 40a and screwing the screw 45 passed through the screw insertion hole portion 44b into the screw hole portion 43a. Therefore, the shelf board support portion 40a is reinforced.

前記仕切り壁支持部４２ａ、４２ｂは、前記第１実施形態の仕切り壁支持具３５、３６に相当するものであり、図２６及び図２７に示すように、この仕切り壁支持部４２ａ、４２ｂの内面に補強部材としての例えば金属板製の補強板４６がねじ４７止めにより取り付けられている。これにより、仕切り壁支持部４２ａ、４２ｂが補強板４６によって補強されている。   The partition wall support portions 42a and 42b correspond to the partition wall support members 35 and 36 of the first embodiment, and as shown in FIGS. 26 and 27, the inner surfaces of the partition wall support portions 42a and 42b. A reinforcing plate 46 made of, for example, a metal plate as a reinforcing member is attached by screws 47. Accordingly, the partition wall support portions 42 a and 42 b are reinforced by the reinforcing plate 46.

なお、上述の補強板４４、４６のねじ止めは必要に応じて行えば良く、これに代えて接着による固定でも良く、要は、補強板４４、４６を左単位パネル１６Ａと左内板部１５Ａ´（一体成形品）との間に設けて、当該補強板４４、４６で、夫々突出部である棚板支持部４０ａ、４０ｂ、４０ｃ、ガイドレール取付部４１ａ、４１ｂ、仕切り壁支持部４２ａ、４２ｂを補強すれば良い。   The above-described reinforcing plates 44 and 46 may be screwed as necessary, and instead may be fixed by adhesion. In short, the reinforcing plates 44 and 46 are connected to the left unit panel 16A and the left inner plate portion 15A. ′ (Integral molded product), and the reinforcing plates 44 and 46, respectively, are shelf plate support portions 40a, 40b and 40c, guide rail mounting portions 41a and 41b, partition wall support portions 42a, What is necessary is just to reinforce 42b.

この第２実施形態においては、内箱１５が、庫内に突出する突出部である棚板支持部４０ａ、４０ｂ、４０ｃ、ガイドレール取付部４１ａ、４１ｂ、仕切り壁支持部４２ａ、４２ｂを備え、これら棚板支持部４０ａ、４０ｂ、４０ｃ、ガイドレール取付部４１ａ、４１ｂ、仕切り壁支持部４２ａ、４２ｂを備えた部分である左内板部１５Ａ´を、当該棚板支持部４０ａ、４０ｂ、４０ｃ、ガイドレール取付部４１ａ、４１ｂ、仕切り壁支持部４２ａ、４２ｂを一体に形成した一体成形品Ｉｃから構成し、当該一体成形品Ｉｃの棚板支持部４０ａ、４０ｂ、４０ｃ、ガイドレール取付部４１ａ、４１ｂ、仕切り壁支持部４２ａ、４２ｂは、真空断熱パネルである単位パネル１６Ａと当該一体成形品Ｉｃとの間に設けられた補強部材である補強板４４、４６により補強されている。   In this second embodiment, the inner box 15 is provided with shelf board support parts 40a, 40b, 40c, guide rail mounting parts 41a, 41b, partition wall support parts 42a, 42b, which are protruding parts protruding into the cabinet, The left inner plate portion 15A ′, which is a portion including the shelf plate support portions 40a, 40b, and 40c, the guide rail mounting portions 41a and 41b, and the partition wall support portions 42a and 42b, is connected to the shelf plate support portions 40a, 40b, and 40c. The guide rail mounting portions 41a and 41b and the partition wall support portions 42a and 42b are integrally formed from an integrally molded product Ic, and the shelf support portions 40a, 40b and 40c of the integrally molded product Ic and the guide rail mounting portion 41a. 41b and the partition wall support portions 42a and 42b are reinforcing plates that are reinforcing members provided between the unit panel 16A that is a vacuum heat insulating panel and the integrally molded product Ic. It has been reinforced by 4,46.

この実施形態によれば、突出部である棚板支持部４０ａ、４０ｂ、４０ｃ、ガイドレール取付部４１ａ、４１ｂ、仕切り壁支持部４２ａ、４２ｂを一体成形品Ｉｃに設けているから、これら突出部を別部品で構成せずに済む。そして、一体成形品である場合には材料コストが安いことを考慮して若干強度が低い（ＡＢＳ樹脂に比して低い）オレフィン樹脂（ポリプロピレン材料など）を用いるが、その強度不足を補強板４４、４６により補うことができる。   According to this embodiment, since the shelf support parts 40a, 40b, 40c, which are protrusions, the guide rail mounting parts 41a, 41b, and the partition wall support parts 42a, 42b are provided in the integrally molded product Ic, these protrusions It is not necessary to configure with separate parts. In the case of an integrally molded product, an olefin resin (polypropylene material, etc.) having a slightly lower strength (lower than the ABS resin) is used in consideration of the low material cost. 46 can be supplemented.

＜第３実施形態＞
図２８及び図２９は第３実施形態を示している。この第３実施形態においては、左側断熱壁９´´及び右側断熱壁１０´´の構成が第１実施形態及び第２実施形態と異なる。以下、異なる点について説明する。この場合、左側断熱壁９´´及び右側断熱壁１０´´は左右対称形であるので、左側断熱壁９´´について説明する。この左側断熱壁９´´では、一つの単位パネル１６Ａに対して、左内板部１５Ａが、上側板部１５Ａａと下側板部１５Ａｂとに分割されている。これら上側板部１５Ａａと下側板部１５Ａｂとは上下に隣接している。上側板部１５Ａａは、例えばインジェクション成形又は真空成形などにより一体成形品Ｉｄとして構成されており、第２実施形態と同様に突出部としての４０ａ、４０ｂ、４０ｃを一体に有すると共に、シート部材用連結部２５´を一体に有する。このシート部材用連結部２５´は冷蔵室５７に位置するが、野菜室５８、小冷凍室５９、製氷室６０及び冷凍室６１に位置するシート部材用連結板２５´´は上側板部１５Ａａ及び下側板部１５Ａｂとは別部品として設けられている。 <Third Embodiment>
28 and 29 show a third embodiment. In the third embodiment, the configurations of the left heat insulating wall 9 ″ and the right heat insulating wall 10 ″ are different from those of the first embodiment and the second embodiment. Hereinafter, different points will be described. In this case, since the left heat insulating wall 9 ″ and the right heat insulating wall 10 ″ are symmetrical, the left heat insulating wall 9 ″ will be described. In the left heat insulating wall 9 ″, the left inner plate portion 15A is divided into an upper plate portion 15Aa and a lower plate portion 15Ab with respect to one unit panel 16A. The upper plate portion 15Aa and the lower plate portion 15Ab are adjacent to each other in the vertical direction. The upper plate portion 15Aa is configured as an integrally molded product Id by, for example, injection molding or vacuum molding, and integrally has projections 40a, 40b, and 40c as in the second embodiment, and is connected to a sheet member. The unit 25 ′ is integrally formed. The sheet member connecting portion 25 ′ is located in the refrigerator compartment 57, but the sheet member connecting plate 25 ″ located in the vegetable compartment 58, the small freezer compartment 59, the ice making chamber 60 and the freezer compartment 61 is composed of the upper plate portion 15 Aa and The lower plate portion 15Ab is provided as a separate component.

又、下側板部１５Ａｂは平板状のシート部材Ｓｃから構成されており、第１実施形態と同様にこのシート部材Ｓｃとは別部品の突出部として固定具２６、ガイドレール取付具３３、３４、仕切り壁支持具３５、３６を第１実施形態と同じ取付構造により取り付けている。
上述の上側板部１５Ａａは、冷蔵室５７に位置して当該冷蔵室５７内面を構成し、又、下側板部１５Ａｂは野菜室５８、小冷凍室５９、製氷室６０、冷凍室６１にわたって位置してこれら各室の内面を構成している。上側板部１５Ａａと下側板部１５Ａｂとの境界部分には第１の仕切り壁５５が配置されている。 Further, the lower plate portion 15Ab is composed of a flat sheet member Sc. Similarly to the first embodiment, the fixture 26, the guide rail mounting tools 33, 34, The partition wall supports 35 and 36 are attached by the same attachment structure as that of the first embodiment.
The above-described upper plate portion 15Aa is located in the refrigerator compartment 57 to constitute the inner surface of the refrigerator compartment 57, and the lower plate portion 15Ab is located over the vegetable compartment 58, the small freezer compartment 59, the ice making room 60, and the freezer compartment 61. The inner surfaces of these chambers are configured. A first partition wall 55 is disposed at a boundary portion between the upper plate portion 15Aa and the lower plate portion 15Ab.

この第３実施形態においては、一体成形品Ｉｄからなる上側板部１５Ａａにより、回転扉３、４を備えた冷蔵室５７の内面を構成したから、冷蔵室５７内面の見栄えが良い。すわなち、冷蔵室５７内面は、回転扉３、４の開放時に使用者の目が届くところであり、前記突出部である棚板支持部４０ａ、４０ｂ、４０ｃにも目が届くことも多い。しかるに、この冷蔵室５７の内面における前記棚板支持部４０ａ、４０ｂ、４０ｃが型成形による一体成形品Ｉｄと一体であるから、これら棚板支持部４０ａ、４０ｂ、４０ｃが上側板部１５Ａａから滑らかに突出する形態となり、見栄えが良く、衛生面での印象も良くなる。   In this 3rd Embodiment, since the inner surface of the refrigerator compartment 57 provided with the rotary doors 3 and 4 was comprised by the upper side board part 15Aa which consists of integral molded products Id, the appearance of the refrigerator compartment 57 inner surface is good. That is, the inner surface of the refrigerating room 57 is where the user's eyes can reach when the revolving doors 3 and 4 are opened, and often the eyes also reach the shelf support portions 40a, 40b, and 40c that are the protruding portions. However, since the shelf support portions 40a, 40b, and 40c on the inner surface of the refrigerator compartment 57 are integrated with the integrally formed product Id by molding, these shelf support portions 40a, 40b, and 40c are smoothly formed from the upper plate portion 15Aa. , It looks good and the impression on hygiene is also improved.

＜第４実施形態＞
図３０及び図３１は第４実施形態を示しており、この実施形態では、第１実施形態における棚板支持具３０における本体部３０ａ周縁部に、内箱１５内面側（図では左内板部１５Ａ側）へ傾斜する弾性変形可能なひれ部３０ｅを形成した点が第１実施形態と異なる。 <Fourth embodiment>
30 and 31 show a fourth embodiment. In this embodiment, the inner side of the inner box 15 (the left inner plate portion in the figure) is disposed on the periphery of the main body portion 30a of the shelf board support 30 in the first embodiment. The point which formed the elastically deformable fin part 30e which inclines to the (15A side) differs from 1st Embodiment.

このひれ部３０ｅは、棚板支持具３０の取付状態において、内箱１５内面に密接する。このひれ部３０ｅにより内箱１５内面と棚板支持具３０との間の隙間を隠すことができる。すなわち、皿ねじ３２を棚板支持具３０のねじ孔部３０ｃにねじ込む際に、左内板部１５Ａのねじ挿通孔部３１の周縁部３１ａを変形させることから、このねじ挿通孔部３１部分に皺が発生することがあり、これによってこの左内板部１５Ａと棚板支持具３０との間に隙間が発生することがある。しかるにこの第４実施形態によれば、この隙間は上述したひれ部３０ｅにより隠すことができる。   The fin portion 30e is in close contact with the inner surface of the inner box 15 when the shelf board support 30 is attached. The gap between the inner surface of the inner box 15 and the shelf board support 30 can be hidden by the fin portion 30e. That is, when the countersunk screw 32 is screwed into the screw hole 30c of the shelf support 30, the peripheral edge 31a of the screw insertion hole 31 of the left inner plate 15A is deformed. In some cases, wrinkles may occur, which may cause a gap between the left inner plate portion 15A and the shelf support 30. However, according to the fourth embodiment, the gap can be hidden by the fin portion 30e described above.

＜第５実施形態＞
図３２〜図３４は第５実施形態を示しており、この実施形態では、次の点が第１実施形態と異なる。すなわち、前記第１実施形態では、左側断熱壁９と下側断熱壁１２と右側断熱壁１０の左外板部１４Ａと下外板部１４Ｄと右外板部１４Ｂとを分割したが、これら左外板部１４Ａと下外板部１４Ｄと右外板部１４Ｂとを連続した外板部１４Ｚで構成している。なお符号１６Ｄは下外板部１４Ｄ内面及び下内板部１５Ｄ間に配設される単位パネルである。 <Fifth Embodiment>
FIGS. 32 to 34 show a fifth embodiment, which is different from the first embodiment in the following points. That is, in the first embodiment, the left heat insulating wall 9, the lower heat insulating wall 12, and the left outer plate portion 14A, the lower outer plate portion 14D, and the right outer plate portion 14B of the right heat insulating wall 10 are divided. The outer plate portion 14A, the lower outer plate portion 14D, and the right outer plate portion 14B are constituted by a continuous outer plate portion 14Z. Reference numeral 16D denotes a unit panel disposed between the inner surface of the lower outer plate portion 14D and the lower inner plate portion 15D.

この第５実施形態で示すように外箱１４は各板部の全部が分割されていなくても良い。
又、前述した第４実施形態（図３０及び図３１）では、棚板支持具３０にひれ部３０ｅを設けて、内箱１５内面と棚板支持具３０との間の隙間を当該ひれ部３０ｅで隠すようにしたが、棚板支持具３０自体を透明とすることで上記隙間を目立たなくするようにしても良い。 As shown in this fifth embodiment, the outer box 14 does not have to be divided entirely in each plate portion.
In the above-described fourth embodiment (FIGS. 30 and 31), the shelf support 30 is provided with a fin 30e, and a gap between the inner surface of the inner box 15 and the shelf support 30 is defined by the fin 30e. However, the gap may be made inconspicuous by making the shelf support 30 itself transparent.

なお、単位断熱壁としての各断熱壁９〜１３の内板部が全てシート部材で構成されていても良いし、一つの内板部がシート部材で構成されていても良い。又、単位断熱壁は少なくとも２つであれば良い。例えば左側断熱壁９が単独であり、他の断熱壁１０〜１３が一体（外板部が連続して一体で、内板部が連続して一体、単位パネルが連続して一体）の断熱壁として構成されていても良い。   In addition, all the inner-plate parts of each heat insulation wall 9-13 as a unit heat insulation wall may be comprised with the sheet member, and one inner-plate part may be comprised with the sheet member. Moreover, the unit heat insulation wall should just be at least two. For example, the left heat insulating wall 9 is independent, and the other heat insulating walls 10 to 13 are integrated (the outer plate portion is continuous and integrated, the inner plate portion is continuous and integrated, and the unit panel is integrated and integrated). It may be configured as.

又、単位断熱壁としては、内板部と外板部との間に単位パネルを配置し、内板部と単位パネルの一面とを接着し、単位パネルの他面と外板部とを接着する構成としても良いし、又、内板部と単位パネルの一面とを接着し、単位パネルの他面と外板部との間に発泡ウレタンなどの断熱材を介在させた構成としても良い。   In addition, as the unit heat insulation wall, a unit panel is disposed between the inner plate portion and the outer plate portion, the inner plate portion and one surface of the unit panel are bonded, and the other surface of the unit panel and the outer plate portion are bonded. Alternatively, the inner plate portion and one surface of the unit panel may be bonded to each other, and a heat insulating material such as urethane foam may be interposed between the other surface of the unit panel and the outer plate portion.

又、外箱及び真空断熱パネルは分割せずに内箱のみを複数の内板部に分割し連結した形態としても良い。
以上のように本実施形態の冷蔵庫は、外箱と、内箱と、これら外箱及び内箱の間に配置される真空断熱パネルとから構成された断熱箱体を備えた冷蔵庫であって、前記内箱の少なくとも一部を平板状のシート部材で構成した。これによれば、大きな型を必要とせず、製作が容易でコスト安となる。 Further, the outer box and the vacuum heat insulation panel may be divided into a plurality of inner plate portions and connected without dividing the outer box and the vacuum heat insulating panel.
As described above, the refrigerator of the present embodiment is a refrigerator including an outer box, an inner box, and a heat insulating box composed of a vacuum heat insulating panel disposed between the outer box and the inner box, At least a part of the inner box was constituted by a flat sheet member. According to this, a large mold is not required, manufacture is easy and cost is reduced.

本発明のいくつかの実施形態を説明したが、これらの実施形態は、例として提示したものであり、発明の範囲を限定することは意図していない。これら新規な実施形態は、その他の様々な形態で実施されることが可能であり、発明の要旨を逸脱しない範囲で、種々の省略、置き換え、変更を行うことができる。これら実施形態やその変形は、発明の範囲や要旨に含まれるとともに、特許請求の範囲に記載された発明とその均等の範囲に含まれる。   Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

図面中、１は冷蔵庫、２は断熱箱体、３、４は回転扉、５〜８は引出し式扉、９は左側断熱壁（単位断熱壁）、１０は右側断熱壁（単位断熱壁）、１１は上側断熱壁（単位断熱壁）、１１ｂは機械室、１２は下側断熱壁（単位断熱壁）、１３は奥側断熱壁（単位断熱壁）、１４は外箱、１４Ａは左外板部、１４Ｂは右外板部、１４Ｃは上外板部、１４Ｄは下外板部、１４Ｅは後外板部、１５は内箱、１５Ａは左内板部、１５Ｂは右内板部、１５Ｃは上内板部、１５Ｄは下内板部、１５Ｃ１は連結部、１５Ｃ２はリブ、１５Ｅは奥内板部、Ｓａ、Ｓｂ、Ｓｃはシート部材、Ｉａ、Ｉｂ、Ｉｃ、Ｉｄは一体成型品、１６は真空断熱パネル、１６Ａは左単位パネル、１６Ｂは右単位パネル、１６Ｃは上単位パネル、１６Ｄは下単位パネル、１６Ｅは奥単位パネル、１７はＬ状部（折れ曲がり部）、１８は排水受け部（折れ曲がり部）、２１は前端用連結部材、２５はシート部材用連結板（シート部材用連結部材）、２６は固定具（シート部材とは別部品で構成される突出部）、３０は棚板支持具（シート部材とは別部品で構成される突出部）、３０ｅはひれ部、３２は皿ねじ（締結部材）、３３、３４はガイドレール取付具（シート部材とは別部品で構成される突出部）、３５、３６は仕切り壁支持具（シート部材とは別部品で構成される突出部）、３７は背面カバー取付具（シート部材とは別部品で構成される突出部）、４０ａ〜４０ｃは棚板支持部（突出部）、４１ａ、４１ｂはガイドレール取付部（突出部）、４２ａ、４２ｂは仕切り壁支持部（突出部）、１５Ａ´は左内板部、２５´はシート部材用連結部（シート部材用連結部材）、２５´´はシート部材用連結板（シート部材用連結部材）、４４、４６は補強板（補強部材）、５５は第１の仕切り壁、５６は第２の仕切り壁、５７は冷蔵室（貯蔵室）、５８は野菜室（貯蔵室）、５９は小冷凍室（貯蔵室）、６０は製氷室（貯蔵室）、６１は冷凍室（貯蔵室）を示す。   In the drawings, 1 is a refrigerator, 2 is a heat insulation box, 3 and 4 are revolving doors, 5 to 8 are drawer-type doors, 9 is a left heat insulation wall (unit heat insulation wall), 10 is a right heat insulation wall (unit heat insulation wall), 11 is an upper heat insulating wall (unit heat insulating wall), 11b is a machine room, 12 is a lower heat insulating wall (unit heat insulating wall), 13 is a rear heat insulating wall (unit heat insulating wall), 14 is an outer box, and 14A is a left outer plate. Part, 14B is a right outer plate part, 14C is an upper outer plate part, 14D is a lower outer plate part, 14E is a rear outer plate part, 15 is an inner box, 15A is a left inner plate part, 15B is a right inner plate part, 15C Is an upper inner plate portion, 15D is a lower inner plate portion, 15C1 is a connecting portion, 15C2 is a rib, 15E is a rear inner plate portion, Sa, Sb, Sc are sheet members, Ia, Ib, Ic, Id are integrally molded products, 16 is a vacuum insulation panel, 16A is a left unit panel, 16B is a right unit panel, 16C is an upper unit panel, 16D is a lower unit panel, and 16E is Unit panel, 17 is an L-shaped part (bent part), 18 is a drainage receiving part (bent part), 21 is a front end connecting member, 25 is a sheet member connecting plate (sheet member connecting member), and 26 is a fixture ( 30 is a shelf support (protrusion formed of a component separate from the sheet member), 30e is a fin, 32 is a countersunk screw (fastening member), 33 , 34 are guide rail attachments (protrusions made of parts separate from the seat member), 35 and 36 are partition wall supports (protrusions made of parts separate from the sheet members), and 37 is a back cover attachment. 40a-40c is a shelf board support part (protrusion part), 41a, 41b is a guide rail attachment part (protrusion part), 42a, 42b is a partition wall support part. (Protrusion), 15A 'is the left inner plate, 25 'Is a sheet member connecting portion (sheet member connecting member), 25' 'is a sheet member connecting plate (sheet member connecting member), 44 and 46 are reinforcing plates (reinforcing members), and 55 is a first partition wall. 56 is a second partition wall, 57 is a refrigeration room (storage room), 58 is a vegetable room (storage room), 59 is a small freezing room (storage room), 60 is an ice making room (storage room), and 61 is a freezing room. (Storage room) is shown.

Claims (12)

外箱と、内箱と、これら外箱及び内箱の間に配置される真空断熱パネルとから構成された断熱箱体を備え、
前記断熱箱体は、内部に貯蔵室を有し、
前記内箱は、合成樹脂製の平板状のシート部材で構成された複数の内板部と、前記貯蔵室のコーナー部の前記貯蔵室側に設けられ隣接する二つの前記内板部を連結するシート部材用連結部材と、を有している冷蔵庫。 E Bei an outer box, an inner box, a thermal insulation box body composed of a vacuum insulation panel disposed between these outer box and inner box,
The heat insulation box has a storage chamber inside,
The inner box connects a plurality of inner plate portions formed of a flat sheet member made of synthetic resin and two adjacent inner plate portions provided on the storage chamber side of the corner portion of the storage chamber. And a connecting member for sheet member . 前記外箱は複数の分割された外板部から構成されていると共に、前記内箱も当該外箱と同様に複数の分割された内板部から構成され、前記複数の内板部のうち少なくとも一つが前記シート部材から構成され、さらに前記真空断熱パネルも同様に分割された複数の単位パネルから構成され、
これら分割された前記外板部と前記内板部との間に前記分割された単位パネルを配置して、複数の単位断熱壁を構成し、
前記断熱箱体は、これら複数の単位断熱壁を連結して構成されている請求項１に記載の冷蔵庫。 The outer box is constituted by a plurality of divided outer plate portions, and the inner box is also constituted by a plurality of divided inner plate portions in the same manner as the outer box, and at least of the plurality of inner plate portions. One is composed of the sheet member, and the vacuum insulation panel is composed of a plurality of unit panels divided in the same manner,
Arranging the divided unit panel between the divided outer plate portion and the inner plate portion to constitute a plurality of unit heat insulation walls,
The refrigerator according to claim 1 , wherein the heat insulating box is configured by connecting the plurality of unit heat insulating walls . 前記内箱においてシート部材で構成された部分の前端部と外箱の前端部とは前端用連結部材により連結されている請求項１又は２に記載の冷蔵庫。 The refrigerator according to claim 1 or 2 , wherein the front end portion of the inner box and the front end portion of the outer box are connected by a front end connecting member . 前記内箱は折れ曲がり部を備え、この折れ曲がり部を備えた部分は、当該折れ曲がり部を一体に形成した一体成形品から構成されている請求項１から３のいずれか一項に記載の冷蔵庫。 The refrigerator according to any one of claims 1 to 3, wherein the inner box includes a bent portion, and the portion including the bent portion is formed of an integrally molded product in which the bent portion is integrally formed . 前記内箱は、庫内に突出する突出部を備え、この突出部を備えた部分は、当該突出部を一体に形成した一体成形品から構成され、当該一体成形品の突出部は、前記真空断熱パネルと当該一体成形品との間に設けられた補強部材により補強されている請求項１から４のいずれか一項に記載の冷蔵庫。 The inner box is provided with a protruding portion that protrudes into the cabinet, and the portion provided with the protruding portion is constituted by an integrally molded product in which the protruding portion is integrally formed, and the protruding portion of the integrally molded product is the vacuum. The refrigerator according to any one of claims 1 to 4, wherein the refrigerator is reinforced by a reinforcing member provided between the heat insulating panel and the integrally molded product . 前記内箱は、庫内に突出する突出部を備え、この突出部は前記シート部材とは別部品で構成され、
前記シート部材には孔部が形成され、この孔部に、前記別部品で構成される突出部が挿入配置されている請求項１から５のいずれか一項に記載の冷蔵庫。 The inner box includes a protruding portion that protrudes into the cabinet, and the protruding portion is configured as a separate part from the sheet member,
The refrigerator according to any one of claims 1 to 5, wherein a hole portion is formed in the sheet member, and a protruding portion formed of the separate part is inserted and disposed in the hole portion . 前記突出部は真空断熱パネルに固定されている請求項６に記載の冷蔵庫。 The refrigerator according to claim 6 , wherein the protrusion is fixed to a vacuum heat insulating panel . 前記突出部は前記孔部よりも大きい鍔状部を有し、当該鍔状部はシート部材と真空断熱パネルとの間で挟持されている請求項６又は７に記載の冷蔵庫。 The refrigerator according to claim 6 or 7 , wherein the protrusion has a bowl-shaped part larger than the hole part, and the bowl-shaped part is sandwiched between the sheet member and the vacuum heat insulating panel . 前記内箱には、庫内に突出する突出部を備え、この突出部は前記シート部材とは別部品で構成され、
前記シート部材には締結部材挿通孔部が形成され、
前記別部品で構成される突出部は、前記シート部材裏面側から前記締結部材挿通孔部を挿通した締結部材により当該シート部材表面側に固定されている請求項１から４のいずれか一項に記載の冷蔵庫。 The inner box includes a protruding portion that protrudes into the cabinet, and the protruding portion is configured as a separate part from the sheet member,
A fastening member insertion hole is formed in the sheet member,
The protrusion part comprised by the said another component is being fixed to the said sheet member surface side by the fastening member which penetrated the said fastening member insertion hole part from the said sheet member back surface side. The refrigerator described. 前記締結部材挿通孔部の周縁部は真空断熱パネルから離間し、前記締結部材の頭部は前記締結部材挿通孔部の周縁部から真空断熱パネル側へ突出していない請求項９に記載の冷蔵庫。 The refrigerator according to claim 9, wherein a peripheral edge portion of the fastening member insertion hole portion is separated from the vacuum heat insulation panel, and a head portion of the fastening member does not protrude from the peripheral edge portion of the fastening member insertion hole portion toward the vacuum heat insulation panel . 前記突出部には、前記シート部材表面との隙間を覆うひれ部が設けられている請求項９又は１０に記載の冷蔵庫。 The refrigerator according to claim 9 or 10 , wherein the protruding portion is provided with a fin portion that covers a gap with the surface of the sheet member . 前記突出部は透明であることを特徴とする請求項９又は１０に記載の冷蔵庫。 The refrigerator according to claim 9 or 10 , wherein the protrusion is transparent .
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