JP2012255607A - Heat insulation box - Google Patents

Heat insulation box Download PDF

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Publication number
JP2012255607A
JP2012255607A JP2011129165A JP2011129165A JP2012255607A JP 2012255607 A JP2012255607 A JP 2012255607A JP 2011129165 A JP2011129165 A JP 2011129165A JP 2011129165 A JP2011129165 A JP 2011129165A JP 2012255607 A JP2012255607 A JP 2012255607A
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Prior art keywords
door
plate
inner plate
heat insulation
door inner
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JP2011129165A
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JP5931355B2 (en
Inventor
Komi Abe
候巳 阿部
Tomoyasu Saeki
友康 佐伯
Ikuo Ishibashi
郁夫 石橋
Masanori Abe
昌則 安部
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Toshiba Corp
Toshiba Lifestyle Products and Services Corp
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Toshiba Corp
Toshiba Consumer Electronics Holdings Corp
Toshiba Home Appliances Corp
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Priority to JP2011129165A priority Critical patent/JP5931355B2/en
Priority to CN2012101607417A priority patent/CN102818421A/en
Priority to CN201810099694.7A priority patent/CN108131889A/en
Priority to TW101118631A priority patent/TWI471515B/en
Publication of JP2012255607A publication Critical patent/JP2012255607A/en
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Publication of JP5931355B2 publication Critical patent/JP5931355B2/en
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Abstract

PROBLEM TO BE SOLVED: To provide a heat insulation box that can sufficiently thin a door and increase the inner volume of a box body.SOLUTION: A large freezing compartment door 17 (door) is configured such that the outer side surface of a vacuum heat-insulating panel 21 is brought into contact with a door outer plate 20 and the inner side surface of the vacuum heat-insulating panel 21 is brought into contact with a door inner plate 22, wherein a foamed polyurethane as in the conventional product is not used concurrently. Thus, according to the embodiment, the sufficient thinning of the large freezing compartment door 17 can be achieved and the inner volume of a freezer body can be increased.

Description

本発明の実施形態は断熱箱に関する。   Embodiments of the present invention relate to a heat insulation box.

従来より、冷蔵庫等の断熱箱においては、扉を有している。この扉は、扉外板と扉内板を具え、その両板間に発泡ポリウレタンを充填して構成されたものが一般的である。しかしながら、このものは発泡ポリウレタンの厚みのみによって所要の断熱性能を得るものであり、扉の厚みが大きくなる欠点を有する。又、それに伴い、断熱箱全体のうちで、貯蔵品を収納する箱本体の奥行が縮小され、すなわち箱本体の内容積が縮小される欠点をも有する。   Conventionally, a heat insulating box such as a refrigerator has a door. This door generally includes a door outer plate and a door inner plate, and a foamed polyurethane is filled between the two plates. However, this has the disadvantage that the required heat insulation performance is obtained only by the thickness of the polyurethane foam, and the thickness of the door is increased. Accordingly, the depth of the box main body for storing the stored items is reduced in the whole heat insulating box, that is, the inner volume of the box main body is reduced.

これに対して、近年、真空断熱パネルを用いた扉が供されている。この真空断熱パネルを用いた扉は、図１６に扉１で示すように、扉外板２と扉内板３との間に真空断熱パネル４を配設し、且つそれ以外の両板２，３間の空間に発泡ポリウレタン５を充填して構成されたものである（例えば特許文献１参照）。   On the other hand, in recent years, doors using vacuum heat insulation panels have been provided. The door using this vacuum heat insulation panel is provided with a vacuum heat insulation panel 4 between the door outer plate 2 and the door inner plate 3 as shown by a door 1 in FIG. The space between the three is filled with foamed polyurethane 5 (see, for example, Patent Document 1).

特開２００６−９０６４９号公報JP 2006-90649 A

真空断熱パネルは、例えば、細いガラス繊維の綿状物であるグラスウールをマット状にしてコア材とし、このコア材をアルミニウム箔と合成樹脂とのラミネートフィルムで製袋したガスバリア容器に挿入し、内部を真空排気し開口を閉塞することで容器内部を真空減圧状態に保持したパネルであり、薄くて低い熱伝導率（高い断熱性）を有しているので、これを使用することにより、扉の薄形化が可能である。   The vacuum heat insulation panel is made of, for example, glass wool, which is a thin fiberglass cotton material, made into a core material, and this core material is inserted into a gas barrier container made of aluminum foil and a synthetic resin laminated film, This is a panel in which the inside of the container is kept in a vacuum reduced pressure state by evacuating and closing the opening, and it is thin and has a low thermal conductivity (high heat insulation). Thinning is possible.

しかしながら、上記従来の断熱箱の扉１は、真空断熱パネル４のみならず、発泡ポリウレタン５を併用しており、発泡ポリウレタン５は真空断熱パネル４に比べると断熱性能が劣るので、その分、発泡ポリウレタン５の厚みがやはり大きく必要で、扉１が充分には薄形化できていない。又、それに伴い、箱本体の奥行が縮小され、箱本体の内容積が縮小される欠点をも未だに有していた。   However, the door 1 of the conventional heat insulation box uses not only the vacuum heat insulation panel 4 but also the foamed polyurethane 5, and the foamed polyurethane 5 is inferior in heat insulation performance compared to the vacuum heat insulation panel 4. The thickness of the polyurethane 5 is still required to be large, and the door 1 cannot be sufficiently thinned. In addition, along with this, the depth of the box main body is reduced, and the inner volume of the box main body is still reduced.

そこで、扉の充分な薄形化を実現できて、箱本体の内容積の拡大を図り得る断熱箱を提供する。   Therefore, a heat insulating box that can realize a sufficiently thin door and can increase the internal volume of the box body is provided.

本実施形態の断熱箱においては、扉外板と、扉内板、及びそれら両板間に位置する真空断熱パネルを具え、その真空断熱パネルの外側面を前記扉外板に当接させ、真空断熱パネルの内側面を扉内板に当接させて構成した扉を有することを特徴とする。   In the heat insulation box of the present embodiment, a door outer plate, a door inner plate, and a vacuum heat insulating panel located between both plates are provided, and an outer surface of the vacuum heat insulating panel is brought into contact with the door outer plate, and vacuum is provided. It has the door comprised by making the inner surface of a heat insulation panel contact | abut to a door inner board, It is characterized by the above-mentioned.

第１の実施形態を示す扉の横断面図Cross-sectional view of the door showing the first embodiment 扉の分解斜視図Exploded perspective view of door 全体の外観斜視図Overall perspective view 図１のIV部分の拡大図Enlarged view of the IV part in Figure 1 第２の実施形態を示す図１部分相当図FIG. 1 equivalent diagram showing a second embodiment 第３の実施形態を示す図５部分相当図FIG. 5 partial equivalent diagram showing the third embodiment 図５部分相当箇所の分解斜視図5 is an exploded perspective view of the portion corresponding to the part 第４の実施形態を示す図５部分相当図FIG. 5 partial equivalent diagram showing the fourth embodiment 第５の実施形態を示す図５部分相当図FIG. 5 partial equivalent diagram showing the fifth embodiment 第６の実施形態を示す図１部分相当図FIG. 1 equivalent diagram showing a sixth embodiment 図２相当図2 equivalent diagram 第７の実施形態を示す図２相当図FIG. 2 equivalent diagram showing the seventh embodiment 第８の実施形態を示す図１部分相当図FIG. 1 partial equivalent diagram showing an eighth embodiment 第９の実施形態を示す図１部分相当図FIG. 1 equivalent diagram showing a ninth embodiment 第１０の実施形態を示す図１部分相当図FIG. 1 partial equivalent diagram showing the tenth embodiment 従来例を示す図１相当図1 equivalent diagram showing a conventional example

以下、冷蔵庫に適用した第１の実施形態につき、図１ないし図４を参照して説明する。
まず、図３には、冷蔵庫の全容を示しており、縦長箱状の箱本体である庫本体１１が、内部に冷蔵室、野菜室、製氷室、小冷凍室、大冷凍室を有していて（図示省略）、前面部に冷蔵室扉１２，１３、野菜室扉１４、製氷室扉１５、小冷凍室扉１６、大冷凍室扉１７を有している。それらの扉１２〜１７のうち、冷蔵室扉１２，１３は観音開き式の扉であり、野菜室扉１４、製氷室扉１５、小冷凍室扉１６、大冷凍室扉１７は引出し式の扉である。 Hereinafter, a first embodiment applied to a refrigerator will be described with reference to FIGS. 1 to 4.
First, FIG. 3 shows the entire contents of a refrigerator, and a storage body 11 that is a vertically long box body has a refrigerator compartment, a vegetable compartment, an ice making compartment, a small freezer compartment, and a large freezer compartment inside. (Illustration omitted), the front part has refrigerator doors 12 and 13, a vegetable compartment door 14, an ice making compartment door 15, a small freezer compartment door 16, and a large freezer compartment door 17. Among these doors 12 to 17, the refrigerator compartment doors 12 and 13 are double doors, the vegetable compartment door 14, the ice making compartment door 15, the small freezer compartment door 16, and the large freezer compartment door 17 are drawer type doors. is there.

次いで、図１及び図２には、上記引出し式の扉１２〜１７のうちのいずれか、この場合、大冷凍室扉１７の構成を示しており、前方より順に、取手飾り１８、取手基体１９、扉外板２０、真空断熱パネル２１、ソフトテープ２９，３３、扉内板２２、ガスケット２３、スロート部材２４を有している。このうち、真空断熱パネル２１は、外側面（前面）を扉外板２０の後面に接着剤２５で直に接着することにより、扉外板２０に当接させており、内側面（後面）を扉内板２２の前面に同じく接着剤２５で直に接着することにより、扉内板２２に当接させている。   Next, FIG. 1 and FIG. 2 show the configuration of one of the drawer type doors 12 to 17, in this case, the large freezer compartment door 17. The handle decoration 18 and the handle base 19 are sequentially arranged from the front. , Door outer plate 20, vacuum heat insulating panel 21, soft tapes 29 and 33, door inner plate 22, gasket 23, and throat member 24. Among these, the vacuum heat insulation panel 21 is brought into contact with the door outer plate 20 by directly bonding the outer surface (front surface) to the rear surface of the door outer plate 20 with an adhesive 25, and the inner surface (rear surface) is The door inner plate 22 is brought into contact with the door inner plate 22 by directly adhering directly to the front surface of the door inner plate 22 with the adhesive 25.

扉外板２０は、この場合、金属板製であり、扉内板２２は、この場合、プラスチック製で、扉外板２０の外周縁部には差込部２６を断面Ｌ字状に折曲形成し、扉内板２２の外周縁部には二股の差込受部２７を同じく断面Ｌ字状に成形していて、それらを嵌着することにより、扉外板２０と扉内板２２とを結合している。   In this case, the door outer plate 20 is made of a metal plate, and the door inner plate 22 is made of plastic in this case, and the insertion portion 26 is bent in an L-shaped cross section at the outer peripheral edge of the door outer plate 20. A bifurcated insertion receiving portion 27 is similarly formed in an L-shaped cross section at the outer peripheral edge portion of the door inner plate 22, and by fitting them, the door outer plate 20 and the door inner plate 22 Are combined.

又、扉内板２２の外周縁部近くには、ガスケット取付部２８を形成している。このガスケット取付部２８はスロット状を成すもので、それを扉外板２０側（前方）に突出させて開口部が後方を指向するように形成している。
扉内板２２は上記ガスケット取付部２８より内方（中心側）の域がほゞ平坦状で、その平坦部に前記真空断熱パネル２１をガスケット取付部２８で位置決めして配置している。なお、真空断熱パネル２１の外周には保護用に前記ソフトテープ２９を装着しており、上記ガスケット取付部２８にはそのソフトテープ２９を当接させている。 A gasket mounting portion 28 is formed near the outer peripheral edge of the door inner plate 22. The gasket mounting portion 28 has a slot shape, and is formed so that the opening projects toward the door outer plate 20 (front side) and the opening is directed rearward.
The door inner plate 22 has a substantially flat area inside (center side) from the gasket mounting portion 28, and the vacuum heat insulating panel 21 is positioned and arranged on the flat portion by the gasket mounting portion 28. The soft tape 29 is attached to the outer periphery of the vacuum heat insulating panel 21 for protection, and the soft tape 29 is brought into contact with the gasket mounting portion 28.

一方、扉外板２０は、取手基体１９の両端部を取付ける部分に取付孔３０を形成しており、それに対して、取手基体１９の両端部にはねじ受け穴３１を形成している。ねじ受け穴３１は開口部がすり鉢状にくぼんでおり、このねじ受け穴３１を扉外板２０の取付孔３０に対向させ、その上で、扉外板２０の後方より取付具であるねじ３２を取付孔３０からねじ受け穴３１へ螺挿して締め付けることにより、扉外板２０に取手基体１９を取付けている。   On the other hand, the door outer plate 20 has attachment holes 30 formed at portions where both ends of the handle base 19 are attached, and screw receiving holes 31 are formed at both ends of the handle base 19. The opening of the screw receiving hole 31 is recessed in a mortar shape. The screw receiving hole 31 is opposed to the mounting hole 30 of the door outer plate 20, and then the screw 32 which is a fixture from the rear of the door outer plate 20. The handle base 19 is attached to the door outer plate 20 by screwing and tightening from the attachment hole 30 to the screw receiving hole 31.

しかして、このとき、図４に詳細に示すように、扉外板２０の取付孔３０周囲の部分が、ねじ３２の頭部によってねじ受け穴３１の開口部のくぼみに絞り込まれ、ねじ３２が扉外板２０の後面から反取付け方向である後方に突出しないようにしている。なお、この場合、ねじ３２には皿ねじを使用しているが、それに限られず、丸ねじや、鍋ねじ、平ねじ等を使用しても良い。   At this time, as shown in detail in FIG. 4, the portion around the mounting hole 30 of the door outer plate 20 is squeezed into the recess of the opening of the screw receiving hole 31 by the head of the screw 32, and the screw 32 is The rear surface of the door outer plate 20 is prevented from protruding rearward in the anti-attachment direction. In this case, a countersunk screw is used as the screw 32. However, the screw 32 is not limited thereto, and a round screw, a pan screw, a flat screw, or the like may be used.

扉外板２０は、図１に示すように、前記差込部２６及び上記取付孔３０周囲の絞り込まれた部分以外がほゞ平坦状で、その平坦部に前記真空断熱パネル２１を接着している。この接着した真空断熱パネル２１とねじ３２の頭部との間には、扉外板２０の取付孔３０周囲の部分を絞り込んだことによる空隙が余されており、それによって、ねじ３２の頭部の溝にドライバーをかけて回したときに生じるバリが真空断熱パネル２１に当たって真空断熱パネル２１を傷つけることのないようにしているが、それを必要としなければ、真空断熱パネル２１とねじ３２の頭部との間には空隙を余す必要はなく、ねじ３２は扉外板２０の真空断熱パネル２１を接着した平坦面より反取付け方向に突出していなければよい。   As shown in FIG. 1, the door outer plate 20 is substantially flat except for the portion around the insertion portion 26 and the mounting hole 30, and the vacuum heat insulating panel 21 is bonded to the flat portion. Yes. A space is left between the bonded vacuum heat insulation panel 21 and the head of the screw 32 by narrowing down the portion around the mounting hole 30 of the door outer plate 20, thereby the head of the screw 32. The burr generated when a screwdriver is turned around the groove of the groove does not hit the vacuum insulation panel 21 and damage the vacuum insulation panel 21, but if it is not necessary, the head of the vacuum insulation panel 21 and the screw 32 There is no need to leave a gap between the two parts, and the screw 32 does not have to protrude in the anti-attachment direction from the flat surface to which the vacuum heat insulating panel 21 of the door outer plate 20 is bonded.

又、扉外板２０の後面中、前記真空断熱パネル２１外周のソフトテープ２９より更に外側には、前記ガスケット取付部２８に対する保護用に前記ソフトテープ３３を装着している。なお、このソフトテープ３３は断熱材としても機能する。
取手基体１９には、外側に前記取手飾り１８を装着している。 Further, the soft tape 33 is mounted on the rear surface of the door outer plate 20 on the outer side of the soft tape 29 on the outer periphery of the vacuum heat insulating panel 21 to protect the gasket mounting portion 28. The soft tape 33 also functions as a heat insulating material.
The handle decoration 18 is attached to the handle base 19 on the outside.

前記ガスケット取付部２８には、前記ガスケット２３を取付けている。このガスケット２３は矢尻状の差込部２３ａを有するもので、その差込部２３ａをガスケット取付部２８に差し込んで該ガスケット取付部２８に取付けている。又、ガスケット２３は差込部２３ａの後側に中空密閉のエアクッション部２３ｂを有するもので、更にその後側には前記庫本体１１に磁着するためのマグネット２３ｃを内蔵している。そのほか、ガスケット２３は両側部にひれ部２３ｄ，２３ｅを有し、このひれ部２３ｄ，２３ｅで庫本体１１からの冷気の漏洩をより確実に防止し、その漏洩冷気による扉内部の結露の防止をするようにしている。   The gasket 23 is attached to the gasket attachment portion 28. The gasket 23 has an arrowhead-like insertion portion 23 a, and the insertion portion 23 a is inserted into the gasket attachment portion 28 and attached to the gasket attachment portion 28. The gasket 23 has a hollow hermetically sealed air cushion portion 23b on the rear side of the insertion portion 23a, and further includes a magnet 23c for magnetically attaching to the main body 11 on the rear side. In addition, the gasket 23 has fin portions 23d and 23e on both sides, and the fin portions 23d and 23e prevent the leakage of cold air from the cabinet body 11 more reliably, and prevent condensation inside the door due to the leaked cold air. Like to do.

スロート部材２４は、閉扉時に庫本体１１内に進入して該庫本体１１の内側面部と重なることにより庫内からの冷気の漏洩を防止するためのものであり、この場合、矩形の枠状を成し、このスロート部材２４を扉内板２２とは別部材で具え、図示しないねじ又は爪やスライドによる嵌合で扉内板２２に取付けている。なお、スロート部材２４の内部には、例えば発泡スチロール等の断熱材３５をあらかじめ装填している。   The throat member 24 is for preventing the leakage of cold air from the interior by entering the interior of the warehouse body 11 when the door is closed and overlapping the inner side surface of the interior of the warehouse body 11. In this case, a rectangular frame shape is used. The throat member 24 is provided as a separate member from the door inner plate 22, and is attached to the door inner plate 22 by fitting with a screw (not shown) or a claw or a slide. The throat member 24 is preliminarily loaded with a heat insulating material 35 such as polystyrene foam.

このように本実施形態によれば、大冷凍室扉１７を、扉外板２０に真空断熱パネル２１の外側面を当接させ、扉内板２２に真空断熱パネル２１の内側面を当接させて構成しており、従来のもののような発泡ポリウレタンを併用していない。従って、本実施形態によれば、大冷凍室扉１７の断熱性能を発泡ポリウレタンの分まで真空断熱パネル２１でまかなうものであり、その分、真空断熱パネル２１の厚みは増すものの、真空断熱パネル２１の断熱性が優れる分だけ、真空断熱パネル２１の厚みが増す量は従来の発泡ポリウレタンの厚みより充分に少ない。かくして、本実施形態によれば、大冷凍室扉１７の充分な薄形化を実現できて、庫本体１１の内容積の拡大を図ることができる。   As described above, according to the present embodiment, the large freezer compartment door 17 is brought into contact with the door outer plate 20 with the outer surface of the vacuum heat insulating panel 21 and with the door inner plate 22 with the inner surface of the vacuum heat insulating panel 21. It does not use foamed polyurethane together with conventional ones. Therefore, according to the present embodiment, the heat insulating performance of the large freezer compartment door 17 is provided by the vacuum heat insulating panel 21 up to the amount of polyurethane foam, and the vacuum heat insulating panel 21 is increased by that amount, but the vacuum heat insulating panel 21 is increased. The amount of increase in the thickness of the vacuum heat insulation panel 21 is sufficiently smaller than the thickness of the conventional foamed polyurethane because the heat insulation property is excellent. Thus, according to this embodiment, the large freezer compartment door 17 can be sufficiently thinned, and the internal volume of the storage body 11 can be increased.

なお、扉外板２０に対する真空断熱パネル２１の外側面の当接、並びに扉内板２２に対する真空断熱パネル２１の内側面の当接については、接着剤２５によらず、両面テープやそのほかの固定具を使用するようにしても良い。加えて、それら扉外板２０と真空断熱パネル２１との間、並びに扉内板２２と真空断熱パネル２１との間は、前記発泡ポリウレタン等の発泡断熱材以外であれば適宜の別部材を介在させて当接させるようにしても良い。   In addition, about the contact of the outer surface of the vacuum heat insulation panel 21 with respect to the door outer plate 20, and the contact of the inner surface of the vacuum heat insulation panel 21 with respect to the door inner plate 22, it does not depend on the adhesive 25 but a double-sided tape or other fixing. You may make it use a tool. In addition, appropriate separate members are interposed between the door outer plate 20 and the vacuum heat insulation panel 21 and between the door inner plate 22 and the vacuum heat insulation panel 21 as long as they are other than the heat insulation material such as foamed polyurethane. You may make it contact | abut.

又、本実施形態によれば、扉内板２２が、周囲部にガスケット取付部２８を扉外板２０側に突出させて有し、扉内板２２のそのガスケット取付部２８より内方の域をほゞ平坦状にして、その平坦部に真空断熱パネル２１をガスケット取付部２８で位置決めして配置している。これにより、真空断熱パネル２１を扉内板２２の平坦部分に確実に対応させて接着することができ、扉内板２２に対する真空断熱パネル２１の密着度を増すことができるので、扉の一層の薄形化の実現ができ、庫本体１１の内容積の一層の拡大を図ることができる。又、この場合、真空断熱パネル２１を扉内板２２に密着させて接着できる分、扉の強度を増すこともできる。   Further, according to the present embodiment, the door inner plate 22 has the gasket mounting portion 28 projecting toward the door outer plate 20 at the peripheral portion, and the inner region of the door inner plate 22 from the gasket mounting portion 28. Is substantially flat, and the vacuum heat insulation panel 21 is positioned and arranged on the flat portion by the gasket mounting portion 28. Thereby, the vacuum heat insulation panel 21 can be reliably made to correspond to the flat part of the door inner plate 22, and the adhesion of the vacuum heat insulation panel 21 to the door inner plate 22 can be increased. Thinning can be realized and the internal volume of the storage body 11 can be further increased. Further, in this case, the strength of the door can be increased by the amount that the vacuum heat insulating panel 21 can be adhered and adhered to the door inner plate 22.

更に、本実施形態によれば、扉外板２０に、別部材である取手基体１９を取付具であるねじ３２によって取付け、そのねじ３２を扉外板２０の真空断熱パネル２１を接着する平坦面より反取付け方向に突出させないようにしている。これにより、真空断熱パネル２１をねじ３２で傷つけることのないようにできて、断熱性能を高く維持できる。なお、この取付構造は、扉内板２２に対する別部材であるスロート部材２４の取付けに採用するようにしても良い。   Furthermore, according to the present embodiment, the handle base 19 that is a separate member is attached to the door outer plate 20 with the screw 32 that is a fixture, and the screw 32 is bonded to the vacuum heat insulating panel 21 of the door outer plate 20. It is designed not to protrude further in the anti-mounting direction. Thereby, the vacuum heat insulation panel 21 can be prevented from being damaged by the screw 32, and the heat insulation performance can be maintained high. Note that this attachment structure may be adopted for attachment of the throat member 24 which is a separate member to the door inner plate 22.

加えて、本実施形態によれば、庫内からの冷気漏洩防止用のスロート部材２４を、扉内板２２とは別部材で具えている。従来はスロート部が扉内板に一体に形成されており（図１６参照）、その内部に扉内部から連ねて発泡ポリウレタンを充填する関係上、スロート部の扉内板と連接する部分には開口部があり、それだけ扉内板の平坦部が狭くなっていた。それに対して、本実施形態において、スロート部材２４を、扉内板２２とは別部材で具えた分、扉内板２２に従来のスロート部におけるような開口部を形成する必要がなく、その分、扉内板２２の平坦部の広さを大きくできる。もって、真空断熱パネル２１を扉内板２２に密着させて接着できる面積を大きくできるので、扉の強度を一層増すことができ、且つ断熱性の優れた真空断熱パネル２１を大きくもできるので、扉の断熱性能を向上させることもできる。   In addition, according to the present embodiment, the throat member 24 for preventing leakage of cold air from the interior is provided as a separate member from the door inner plate 22. Conventionally, the throat portion is formed integrally with the door inner plate (see FIG. 16), and because of the relation of filling the inside with the foamed polyurethane from the inside of the door, the throat portion has an opening in the portion connected to the door inner plate. There was a part, and the flat part of the door inner plate was narrowed accordingly. On the other hand, in the present embodiment, the throat member 24 is provided as a separate member from the door inner plate 22, and it is not necessary to form an opening in the door throat plate 22 as in the conventional throat portion. The width of the flat portion of the door inner plate 22 can be increased. Therefore, since the area which can adhere | attach the vacuum heat insulation panel 21 by making it closely_contact | adhere to the door inner board 22 can be enlarged, the intensity | strength of a door can be increased further and the vacuum heat insulation panel 21 excellent in heat insulation can be enlarged. It is also possible to improve the heat insulation performance.

以上に対して、図５ないし図１５は第２ないし第１０の実施形態を示すもので、それぞれ、第１の実施形態と同一又は同様の部分には同一の符号を付して説明を省略し、異なる部分についてのみ述べる。   In contrast, FIGS. 5 to 15 show the second to tenth embodiments, and the same or similar parts as those of the first embodiment are denoted by the same reference numerals and the description thereof is omitted. Only the different parts will be described.

［第２の実施形態］
図５に示す第２の実施形態においては、扉外板４１を、前述の扉外板２０に代えて、厚みのあるプラスチック製とし、この扉外板４１の取手基体１９の両端部を取付ける部分に取付孔４２を型成形ですり鉢状に形成し、それに対して、取手基体１９の両端部には開口部が平坦なねじ受け穴４３を形成している。 [Second Embodiment]
In the second embodiment shown in FIG. 5, the door outer plate 41 is made of a thick plastic instead of the door outer plate 20 described above, and the both ends of the handle base 19 of the door outer plate 41 are attached to the door outer plate 41. The mounting hole 42 is formed in a mortar shape by molding, and on the other hand, screw receiving holes 43 with flat openings are formed at both ends of the handle base 19.

この構成で、扉外板２０の後方よりねじ３２を取付孔４２からねじ受け穴４３へ螺挿して締め付けることにより、扉外板２０に取手基体１９を取付けているが、この場合、ねじ３２は扉外板２０の取付孔４２周囲の部分を絞り込むことなく該取付孔４２のくぼみに没することで、ねじ３２が扉外板２０の後面から反取付け方向である後方に突出していないようにしている。   With this configuration, the handle base 19 is attached to the door outer plate 20 by screwing the screw 32 from the attachment hole 42 into the screw receiving hole 43 and tightening from behind the door outer plate 20. By immersing in the recess of the mounting hole 42 without narrowing the portion around the mounting hole 42 of the door skin 20, the screw 32 does not protrude backward from the rear surface of the door skin 20 in the anti-mounting direction. Yes.

このようにしても、真空断熱パネル２１をねじ３２で傷つけることのないようにできて、断熱性能を高く維持できる。なお、この取付構造も、扉内板２２に対するスロート部材２４の取付けに採用するようにしても良い。
なお、この場合、扉外板４１と扉内板２２との結合は、扉外板４１外周縁部の差込部４４端に形成した爪部４５を、扉内板２２外周縁部の差込受部４６端に形成した被係合孔４７に係合させることによって実現している。 Even in this case, the vacuum heat insulation panel 21 can be prevented from being damaged by the screw 32, and the heat insulation performance can be maintained high. This mounting structure may also be adopted for mounting the throat member 24 to the door inner plate 22.
In this case, the door outer plate 41 and the door inner plate 22 are joined by inserting the claw portion 45 formed at the end of the outer peripheral edge of the door outer plate 41 into the outer peripheral edge of the door inner plate 22. This is realized by engaging with an engaged hole 47 formed at the end of the receiving portion 46.

[第３の実施形態]
図６及び図７に示す第３の実施形態においては、扉外板４１又は扉外板２０（図示例は扉外板４１）の取手基体１９の両端部を取付ける部分に比較的大きな取付孔５１を形成し、この取付孔５１に、締付具５２を挿入している。締付具５２は、この場合、有底短円筒状の筒部５２ａの開口縁部につば部５２ｂを有するシルクハット形のものであり、その筒部５２ａを上記取付孔５１に後方より挿入し、つば部５２ｂを取付孔５１の周縁部の後面に当接させている。又、締付具５２は筒部５２ａの底部の中心部にねじ通し孔５２ｃを有している。それに対して、取手基体１９の両端部には、上記第２の実施形態のねじ受け穴４３より短寸のねじ受け穴５３を形成している。 [Third embodiment]
In the third embodiment shown in FIGS. 6 and 7, a relatively large mounting hole 51 is provided in a portion for attaching both ends of the handle base 19 of the door outer plate 41 or the door outer plate 20 (the door outer plate 41 in the illustrated example). The fastening tool 52 is inserted into the mounting hole 51. In this case, the fastening tool 52 is of a top hat shape having a flange portion 52b at the opening edge of the bottomed short cylindrical tube portion 52a, and the tube portion 52a is inserted into the mounting hole 51 from the rear. The collar portion 52 b is brought into contact with the rear surface of the peripheral edge portion of the mounting hole 51. The fastening tool 52 has a screw hole 52c at the center of the bottom of the cylindrical portion 52a. On the other hand, screw receiving holes 53 shorter than the screw receiving holes 43 of the second embodiment are formed at both ends of the handle base 19.

この構成で、扉外板４１の後方より取付具であるねじ（この場合、丸ねじ）５４を締付具５２のねじ通し孔５２ｃから取手基体１９のねじ受け穴５３へ螺挿して締め付けることにより、締付具５２のつば部５２ｂと取手基体１９の両端部とで、扉外板４１の取付孔５１周縁部を挟圧して保持し、かくして扉外板４１に取手基体１９を取付けており、ねじ５４の頭部は締付具５２の筒部５２ａ内に位置し、ねじ５４が扉外板２０の後面から反取付け方向である後方に突出していない。   With this configuration, a screw (in this case, a round screw) 54, which is a fixture, is screwed from the screw through hole 52c of the fastener 52 into the screw receiving hole 53 of the handle base 19 and tightened from behind the door outer plate 41. The flange 52b of the fastener 52 and both ends of the handle base 19 hold the peripheral edge of the mounting hole 51 of the door outer plate 41 by pressing, and thus the handle base 19 is attached to the door outer plate 41. The head portion of the screw 54 is located in the cylindrical portion 52 a of the fastener 52, and the screw 54 does not protrude backward from the rear surface of the door outer plate 20 in the anti-attachment direction.

このようにしても、真空断熱パネル２１をねじ５４で傷つけることのないようにできて、断熱性能を高く維持できる。又、この場合、そのような効果的な取付けが扉外板４１（扉外板２０）の厚みに関係なくでき、しかも、ねじ５４の種類は丸ねじ以外に皿ねじや、鍋ねじ、平ねじ等であっても良く、そのほかリベットやスナップピン等であっても同様の取付けができる利点を有する。なお、この取付構造も、扉内板２２に対するスロート部材２４の取付けに採用するようにしても良い。   Even if it does in this way, it can avoid that the vacuum heat insulation panel 21 is damaged with the screw 54, and can maintain high heat insulation performance. In this case, such an effective attachment can be made regardless of the thickness of the door outer plate 41 (door outer plate 20), and the type of the screw 54 is a flat screw, a pan screw, a flat screw in addition to a round screw. In addition, there is an advantage that the same attachment is possible even with a rivet, a snap pin or the like. This mounting structure may also be adopted for mounting the throat member 24 to the door inner plate 22.

[第４の実施形態]
図８に示す第４の実施形態においては、締付具６１を用いている。この締付具６１は、上記第３の実施形態の締付具５２と同様に機能するものの、締付具５２のねじ通し孔５２ｃに代えてねじ部６１ｃを突出させて有しており、そのねじ部６１ｃを取手基体１９のねじ受け穴５３に螺挿して締め付けるようにしている。従って、この場合の締付具６１は前記ねじ３２，５４に代わる取付具としても機能するものである。
扉外板４１（扉外板２０）に対する取手基体１９の取付けは、かかる構造を採用しても良い。 [Fourth Embodiment]
In the fourth embodiment shown in FIG. 8, a fastening tool 61 is used. The fastening tool 61 functions in the same manner as the fastening tool 52 of the third embodiment, but has a threaded portion 61c protruding in place of the screw hole 52c of the fastening tool 52. The screw part 61c is screwed into the screw receiving hole 53 of the handle base 19 and tightened. Accordingly, the tightening tool 61 in this case also functions as a mounting tool in place of the screws 32 and 54.
Such a structure may be adopted for attachment of the handle base 19 to the door outer plate 41 (door outer plate 20).

[第５の実施形態]
図９に示す第５の実施形態においては、締付具７１を用いている。この締付具７１も、第３の実施形態の締付具５２と同様に機能するものの、締付具５２の筒部５２ａ及びねじ通し孔５２ｃに代えてロッド部７１ａを有し、このロッド部７１ａの先端部近くにくびれ部７１ｃを形成している。又、それに対して、取手基体１９の両端部には、入口部７２ａを狭めた受け穴７２を形成しており、この受け穴７２に上記締付具７１のロッド部７１ａにおけるくびれ部７１ｃより先方の部分７１ｄを挿入して、くびれ部７１ｃを受け穴７２の入口部７２ａに係合させている。従って、この場合の締付具７１も、前記ねじ３２に代わる取付具としても機能するものである。
扉外板４１（扉外板２０）に対する取手基体１９の取付けは、かかる構造を採用しても良い。 [Fifth Embodiment]
In the fifth embodiment shown in FIG. 9, a fastening tool 71 is used. The fastening tool 71 also functions in the same manner as the fastening tool 52 of the third embodiment, but has a rod part 71a instead of the cylindrical part 52a and the screw-through hole 52c of the fastening tool 52, and this rod part. A constriction 71c is formed near the tip of 71a. On the other hand, a receiving hole 72 having a narrowed inlet 72a is formed at both ends of the handle base 19, and the receiving hole 72 is further from the constricted portion 71c of the rod portion 71a of the fastener 71. The constricted portion 71 c is engaged with the inlet portion 72 a of the receiving hole 72. Accordingly, the fastening tool 71 in this case also functions as an attachment tool in place of the screw 32.
Such a structure may be adopted for attachment of the handle base 19 to the door outer plate 41 (door outer plate 20).

［第６の実施形態］
図１０及び図１１に示す第６の実施形態においては、前述のガスケット取付部２８に相当するガスケット取付用のホルダ８１を、前述の扉内板２２に代わる扉内板８２とは別部材で具えている。又、この場合、前述の扉外板２０の差込部２６並びに扉内板２２の差込受部２７に代わって、扉左枠８３、扉右枠８４と、扉上枠８５、及び扉下枠８６も、扉外板８７及び扉内板８２と別体で具え、それらを組立てた後に、扉左枠８３及び扉右枠８４の後縁部にあらかじめ形成した差込受部８８（扉左枠８３に形成したもののみ図示）にホルダ８１の外側部１１１ａを差し込み、他方、ホルダ８１の内側部８１ｂをスロート部材２４で後方より押え込んで固定している。 [Sixth Embodiment]
In the sixth embodiment shown in FIG. 10 and FIG. 11, the gasket mounting holder 81 corresponding to the gasket mounting portion 28 is a separate member from the door inner plate 82 that replaces the door inner plate 22 described above. It is. In this case, instead of the insertion portion 26 of the door outer plate 20 and the insertion receiving portion 27 of the door inner plate 22, the door left frame 83, the door right frame 84, the door upper frame 85, and the door bottom The frame 86 is also provided separately from the door outer plate 87 and the door inner plate 82, and after assembling them, an insertion receiving portion 88 (door left) formed in advance at the rear edge of the door left frame 83 and the door right frame 84. The outer portion 111a of the holder 81 is inserted into the frame 83 (only shown on the frame 83), while the inner portion 81b of the holder 81 is pressed and fixed from behind by the throat member 24.

なお、扉上枠８５には取手８９を一体に形成している。又、ホルダ８１にはガスケット２３を前述同様に取付ける。しかして、この場合、取付けたガスケット２３に対して、真空断熱パネル２１は、図示を省略するが、その外周縁がガスケット２３、特にはそれの主体部である前記エアクッション部２３ｂの内周面よりも外側に位置する。   A handle 89 is integrally formed on the door upper frame 85. Further, the gasket 23 is attached to the holder 81 in the same manner as described above. In this case, the vacuum heat insulation panel 21 is omitted from the attached gasket 23, but the outer peripheral edge thereof is the gasket 23, particularly the inner peripheral surface of the air cushion part 23b, which is the main part thereof. Located outside.

このようにガスケット取付用のホルダ８１を扉内板８２とは別部材で具えることにより、扉内板８２には前述のガスケット取付部２８を形成する必要がなくなるので、それだけ扉内板８２の平坦部を広くできる。もって、この場合も真空断熱パネル２１を扉内板８２に密着させて接着できる面積を大きくできるので、扉の強度を一層増すことができ、且つ断熱性の優れた真空断熱パネル２１を大きくもできるので、扉の断熱性能を向上させることもできる。   Thus, by providing the gasket mounting holder 81 as a separate member from the door inner plate 82, it is not necessary to form the gasket mounting portion 28 on the door inner plate 82. The flat part can be widened. Accordingly, in this case as well, the area that can be adhered by adhering the vacuum heat insulating panel 21 to the door inner plate 82 can be increased, so that the strength of the door can be further increased and the vacuum heat insulating panel 21 having excellent heat insulating properties can be increased. Therefore, the heat insulation performance of the door can be improved.

なお、この場合、扉内板８２には、図示しない貯蔵品収納容器を支持する引出レール（これも図示せず）を取付けるための取付板９０を真空断熱パネル２１側に取付けるようになっていて、その取付部分には取付板９０を収める凹部９１を形成し、扉内板８２の真空断熱パネル２１側に取付ける面に取付板９０が出っ張ることのないようにしている。これにより、扉内板８２の真空断熱パネル２１側に取付ける面を取付板９０をも含めて平坦にすることができる。   In this case, an attachment plate 90 for attaching a drawer rail (not shown) for supporting a storage container (not shown) is attached to the door inner plate 82 on the vacuum heat insulating panel 21 side. A concave portion 91 for accommodating the mounting plate 90 is formed in the mounting portion so that the mounting plate 90 does not protrude from the surface of the door inner plate 82 to be mounted on the vacuum heat insulating panel 21 side. Thereby, the surface attached to the vacuum heat insulation panel 21 side of the door inner plate 82 can be made flat including the attachment plate 90.

［第７の実施形態］
図１２に示す第７の実施形態においては、扉枠１０１を左右両側及び上下両側とも一体で形成しており、且つ、取手１０２を扉枠１０１と一体に形成している。そのほかは第６の実施形態と同様である。
このようにしても良い。 [Seventh Embodiment]
In the seventh embodiment shown in FIG. 12, the door frame 101 is integrally formed on both the left and right sides and the upper and lower sides, and the handle 102 is formed integrally with the door frame 101. The rest is the same as in the sixth embodiment.
You may do this.

［第８の実施形態］
図１３に示す第８の実施形態においては、扉内板２２がスロート部１１１を一体に有し、そのスロート部１１１の扉内板２２と連接する部分の開口部１１２を、扉内板２２の真空断熱パネル２１を接着する平坦面と面一な閉塞板１１３で閉塞している。 [Eighth Embodiment]
In the eighth embodiment shown in FIG. 13, the door inner plate 22 integrally has the throat portion 111, and the opening portion 112 of the portion connected to the door inner plate 22 of the throat portion 111 is formed on the door inner plate 22. The vacuum insulation panel 21 is closed with a closing plate 113 that is flush with the flat surface to which the vacuum insulation panel 21 is bonded.

前述のように、扉内板２２にスロート部１１１を一体に形成したものの場合、スロート部１１１の扉内板２２と連接する部分には開口部１１２が形成され、それだけ扉内板２２の平坦部が狭くなっていたのが従来である。それに対して、本実施形態においては、開口部１１２を、扉内板２２の真空断熱パネル２１を接着する平坦面と面一な閉塞板１１３で閉塞しているので、それだけ扉内板２２の平坦部を実質的に（閉塞板１１３で）広くできる。もって、この場合も真空断熱パネル２１を扉内板２２に密着させて接着できる面積を大きくできるので、扉の強度を一層増すことができ、且つ断熱性の優れた真空断熱パネル２１を大きくもできるので、扉の断熱性能を向上させることもできる。
又、閉塞板１１３は扉の補強にも効果を奏する。 As described above, in the case where the throat portion 111 is formed integrally with the door inner plate 22, the opening portion 112 is formed in the portion of the throat portion 111 that is connected to the door inner plate 22, and the flat portion of the door inner plate 22 is correspondingly formed. In the past, it was narrow. On the other hand, in the present embodiment, the opening 112 is closed by the closing plate 113 that is flush with the flat surface to which the vacuum heat insulating panel 21 of the door inner plate 22 is bonded. The portion can be substantially widened (by the closing plate 113). Therefore, in this case as well, the area that can be adhered by adhering the vacuum heat insulating panel 21 to the door inner plate 22 can be increased, so that the strength of the door can be further increased and the vacuum heat insulating panel 21 having excellent heat insulating properties can be increased. Therefore, the heat insulation performance of the door can be improved.
In addition, the closing plate 113 is effective for reinforcing the door.

［第９の実施形態］
図１４に示す第９の実施形態においては、上記第８の実施形態の閉塞板１１３を前記第６の実施形態における扉構造に採用し、且つ、その第６の実施形態におけるガスケット取付用のホルダ８１と同様に扉内板８２とは別体のガスケット取付用のホルダ１２１を、扉左枠８３及び扉右枠８４の後縁部の内側に形成した係合孔１２２（扉左枠８３に形成したもののみ図示）に対する爪部１２３の係合、並びに扉内板８２のスロート部１１１より外側に形成した係合孔１２４に対する爪部１２５の係合によって取付けている。 [Ninth Embodiment]
In the ninth embodiment shown in FIG. 14, the closing plate 113 of the eighth embodiment is adopted in the door structure in the sixth embodiment, and the gasket mounting holder in the sixth embodiment is used. As in 81, a gasket mounting holder 121 separate from the door inner plate 82 is formed in the engagement hole 122 (in the door left frame 83 formed inside the rear edge of the door left frame 83 and the door right frame 84. The claw portion 123 is attached by engagement of the claw portion 123 with the engagement hole 124 formed outside the throat portion 111 of the door inner plate 82.

このようにしても、扉内板８２の平坦部を広くすることができ、扉の強度並びに扉の断熱性能を向上させることもできる。
なお、この場合、扉外板８７には、取手１２６を真空断熱パネル２１より外側の部分に鍋ねじ１２７によって取付けており、その鍋ねじ１２７に対する保護用に、真空断熱パネル２１の外周にはソフトテープ２９を装着している。 Even in this case, the flat portion of the door inner plate 82 can be widened, and the strength of the door and the heat insulating performance of the door can be improved.
In this case, a handle 126 is attached to the door outer plate 87 at a portion outside the vacuum heat insulation panel 21 with a pan screw 127, and the outer periphery of the vacuum heat insulation panel 21 is softened to protect the pan screw 127. Tape 29 is attached.

［第１０の実施形態］
図１５に示す第１０の実施形態においては、上記第９の実施形態と同様に、第８の実施形態における閉塞板１１３を前記第６の実施形態における扉構造に採用し、且つ、その第６の実施形態におけるガスケット取付用のホルダ８１と同様に扉内板８２とは別体のガスケット取付用のホルダ１３１を採用したもので、そのホルダ１３１を、扉左枠８３及び扉右枠８４の後縁部の内側に形成した係合孔１３２（扉左枠８３に形成したもののみ図示）に対する爪部１３３の係合、並びに扉内板８２のスロート部１１１の外側壁部に形成した係合孔１３４に対する爪部１３５の係合によって取付けている。ガスケット取付用のホルダ１３１の取付けは、このようにしても良い。 [Tenth embodiment]
In the tenth embodiment shown in FIG. 15, as in the ninth embodiment, the closing plate 113 in the eighth embodiment is employed in the door structure in the sixth embodiment, and the sixth embodiment. As in the gasket mounting holder 81 in this embodiment, a gasket mounting holder 131 that is separate from the door inner plate 82 is employed, and the holder 131 is placed behind the door left frame 83 and the door right frame 84. Engagement of the claw part 133 with the engagement hole 132 (only the thing formed in the door left frame 83 is shown) formed inside the edge part, and the engagement hole formed in the outer wall part of the throat part 111 of the door inner plate 82 It is attached by engagement of the claw portion 135 with respect to 134. The attachment of the holder 131 for attaching the gasket may be performed in this way.

又、この場合、ガスケット取付用のホルダ１３１の外周面と扉左枠８３（扉右枠８４）の内周面との間には、薄いソフトテープ１３６を介在させて、結露の防止をするようにしている。すなわち、この場合、ソフトテープ１３６は結露防止手段として機能するようになっている。   In this case, a thin soft tape 136 is interposed between the outer peripheral surface of the gasket mounting holder 131 and the inner peripheral surface of the door left frame 83 (door right frame 84) to prevent condensation. I have to. That is, in this case, the soft tape 136 functions as dew condensation prevention means.

以上説明した断熱箱は、上記実施形態にのみ限定されるものではなく、特に全体としては冷蔵庫に限られず、温蔵庫であっても良いもので、温蔵庫であれば、スロート部やスロート部材は暖気の漏洩防止用として機能するものであり、更に、扉も、例示した大冷凍室扉１７に限られず、他の扉１２〜１６であっても良いもので、第８ないし第１０の実施形態での取手の取付けには、第１ないし第５の実施形態の構造を採用するようにしても良いなど、要旨を逸脱しない範囲内で適宜変更して実施し得る。   The heat insulating box described above is not limited to the above embodiment, and is not particularly limited to the refrigerator as a whole, and may be a warm storage. If it is a warm storage, the throat portion or the throat The member functions to prevent warm air leakage, and the door is not limited to the illustrated large freezer compartment door 17, and may be other doors 12 to 16. For the attachment of the handle in the embodiment, the structure of the first to fifth embodiments may be adopted, and may be appropriately modified within a range not departing from the gist.

そのほか、本発明の幾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共に、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。   In addition, although several embodiments of the present invention have been described, these embodiments are presented as examples 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、１１は庫本体（箱本体）、１２〜１７は扉、１９は取手基体（別部材）、２０は扉外板、２１は真空断熱パネル、２２は扉内板、２４はスロート部材、２５は接着剤、２８はガスケット取付部、３２はねじ（取付具）、４１は扉外板、８１はガスケット取付用のホルダ、１１１はスロート部、１１２は開口部、１１３は閉塞板、１２１，１３１はガスケット取付用のホルダを示す。   In the drawings, 11 is a cabinet body (box body), 12 to 17 are doors, 19 is a handle base (separate member), 20 is a door outer plate, 21 is a vacuum heat insulating panel, 22 is a door inner plate, 24 is a throat member, 25 is an adhesive, 28 is a gasket mounting portion, 32 is a screw (mounting tool), 41 is a door outer plate, 81 is a gasket mounting holder, 111 is a throat portion, 112 is an opening portion, 113 is a closing plate, Reference numeral 131 denotes a gasket mounting holder.

Claims (6)

扉外板と、扉内板、及びそれら両板間に位置する真空断熱パネルを具え、その真空断熱パネルの外側面を前記扉外板に当接させ、真空断熱パネルの内側面を扉内板に当接させて構成した扉を有する断熱箱。   A door outer plate, a door inner plate, and a vacuum heat insulating panel positioned between the two plates are provided, the outer surface of the vacuum heat insulating panel is brought into contact with the door outer plate, and the inner surface of the vacuum heat insulating panel is set to the door inner plate. A heat-insulating box having a door configured to abut. 扉内板が、周囲部にガスケット取付部を扉外板側に突出させて有し、扉内板のそのガスケット取付部より内方の域をほゞ平坦状にして、その平坦部に真空断熱パネルを前記ガスケット取付部で位置決めして配置したことを特徴とする請求項１記載の断熱箱。   The door inner plate has a gasket mounting part protruding from the periphery on the door outer plate side. The inner part of the door inner plate from the gasket mounting part is almost flat, and the flat part is vacuum insulated. The heat insulation box according to claim 1, wherein the panel is positioned and arranged at the gasket mounting portion. 扉外板及び扉内板の少なくともいずれか一方の板に別部材が取付具によって取付けられ、その取付具が別部材を取付ける板の真空断熱パネルを接着する平坦面より反取付け方向に突出していないことを特徴とする請求項１又は２記載の断熱箱。   A separate member is attached to at least one of the door outer plate and the door inner plate by a fixture, and the fixture does not protrude in the anti-mounting direction from the flat surface to which the vacuum heat insulation panel of the plate to which the separate member is attached is bonded. The heat insulation box according to claim 1 or 2, characterized by things. 箱体内からの冷気又は暖気漏洩防止用のスロート部材を、扉内板とは別部材で具えることを特徴とする請求項１ないし３のいずれかに記載の断熱箱。   The heat insulation box according to any one of claims 1 to 3, wherein a throat member for preventing cold air or warm air leakage from the box body is provided as a member separate from the door inner plate. ガスケット取付用のホルダを、扉内板とは別部材で具えることを特徴とする請求項１記載の断熱箱。   The heat insulation box according to claim 1, wherein the gasket mounting holder is provided as a member separate from the door inner plate. 箱体内からの冷気又は暖気漏洩防止用のスロート部を扉内板が一体に有し、そのスロート部の扉内板と連接する部分の開口部を、扉内板の真空断熱パネルを接着する平坦面と面一な閉塞板で閉塞していることを特徴とする請求項１、２、３、５のいずれかに記載の断熱箱。   The door inner plate has a throat part for preventing cold or warm air leakage from the box body, and the opening part of the throat part connected to the door inner plate is flat to adhere the vacuum insulation panel of the door inner plate. 6. The heat insulation box according to claim 1, wherein the heat insulation box is closed with a closing plate that is flush with the surface.
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