JPH03168574A - Manufacture of insulating door for refrigerator - Google Patents
Manufacture of insulating door for refrigeratorInfo
- Publication number
- JPH03168574A JPH03168574A JP30627489A JP30627489A JPH03168574A JP H03168574 A JPH03168574 A JP H03168574A JP 30627489 A JP30627489 A JP 30627489A JP 30627489 A JP30627489 A JP 30627489A JP H03168574 A JPH03168574 A JP H03168574A
- Authority
- JP
- Japan
- Prior art keywords
- door
- plate
- outer circumferential
- thermal insulating
- heat insulating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000006260 foam Substances 0.000 claims abstract description 24
- 238000005187 foaming Methods 0.000 claims abstract description 22
- 239000011810 insulating material Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 239000002023 wood Substances 0.000 claims description 9
- 229920003002 synthetic resin Polymers 0.000 claims description 2
- 239000000057 synthetic resin Substances 0.000 claims description 2
- 238000012856 packing Methods 0.000 abstract description 4
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000006261 foam material Substances 0.000 abstract 1
- 239000012774 insulation material Substances 0.000 description 14
- 238000009413 insulation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
Landscapes
- Refrigerator Housings (AREA)
Abstract
Description
【発明の詳細な説明】 く産業上の利用分野〉 本発明は、冷蔵庫の断熱扉の′５１遣方法にに関する。[Detailed description of the invention] Industrial application fields> The present invention relates to a method for installing a heat insulating door of a refrigerator.
く従来技術〉
第８．９図は冷蔵庫の断熱扉の構成を示しており、１は
断熱扉本体、２は外周板、３は扉円板、冫である。Prior Art> Fig. 8.9 shows the structure of a heat insulating door of a refrigerator, where 1 is the heat insulating door body, 2 is the outer peripheral plate, and 3 is the door disk.
そして、上記断熱扉の製遣方法には、以下に示す２通り
の方法がある。There are two methods for manufacturing the above-mentioned heat insulating door as shown below.
［従来技術１ｌ
外周板２側へ発泡断熱材４を充填して発泡させ、その後
扉内板３を外周板２の後方から取り付ける方法。[Prior art 1l: A method of filling and foaming the foamed heat insulating material 4 into the outer circumferential plate 2 side, and then attaching the door inner plate 3 from the rear of the outer circumferential plate 2.
［従米技術２１
外周板２と扉内板３とを組み合せｔこ後、外周板２と扉
内板３との間に発泡断熱材・ｔを充填し発泡させる方法
。[Junior Technique 21: After combining the outer circumferential plate 2 and the door inner plate 3, a method of filling and foaming a foam insulation material between the outer circumferential plate 2 and the door inner plate 3.
〈 発明が解決しようとする課題 〉
しかしながら、上記断熱扉の製造方法には、以下の問題
点が指＠されている。<Problems to be Solved by the Invention> However, the following problems are pointed out in the above-mentioned method of manufacturing a heat insulating door.
（１）従米技術ｌにおいては、外周板に発泡断熱材を充
填し発泡させているため、発泡断熱材の発泡下良か発生
した場合、再生が不能であｉ）、外周板への発泡品を廃
棄しなければならず、製造コストか゛高くなる。(1) In the conventional technology, the outer peripheral plate is filled with foamed insulation material and foamed, so if the foamed insulation material fails to foam, it cannot be regenerated. must be discarded, which increases manufacturing costs.
／−’）＼ｆ＋七｝士冫．Ｃ −） ｌ◆キ２１、グ；
↓ 成円嗣レ而＋１コ妬与Ｌ組み合せて発泡断熱材を充
填発泡させているため、発泡断熱材の発泡不良が発生し
た場合、従米技術１と同様、発泡断熱材の発泡下良が発
生した場合、外周板と扉内板との一体発泡品を発泡しな
ければならず、製造コストが高くなる。/-') \f+7} Shiji. C-) l◆ki21, g;
↓ Since the foam insulation material is filled and foamed by combining Seienji + 1 piece, if foaming failure of the foam insulation material occurs, similar to Jubai technology 1, foaming failure of the foam insulation material will occur. In this case, the outer circumferential plate and the door inner plate must be integrally foamed, which increases manufacturing costs.
本発明は、上記に鑑み、断熱特性を維持しながら製造コ
スト面で有利となる冷蔵庫の断熱扉の製造方法を提供す
ることを目的とする。In view of the above, an object of the present invention is to provide a method for manufacturing a heat insulating door for a refrigerator, which is advantageous in terms of manufacturing cost while maintaining heat insulating properties.
〈 課題を解決するための手段 〉
本発明による課題解決手段は、第１図ないし第４図の如
く、断熱扉本体１が、木質材からなる外周板２と、合成
樹脂材からなる扉内板３とから構或された冷蔵庫の断熱
扉において、前記外周板２の内側形状と同一形状を有す
る金型Ｍと前記扉内板３とを合せ、その開に発泡断熱材
４を充填した後に発泡させ、その後前記金型Ｍを取り外
して発泡断熱材４および扉内板３を外周板２に取り付け
るものである。<Means for Solving the Problem> The problem solving means according to the present invention is as shown in FIGS. 1 to 4, in which a heat insulating door body 1 includes an outer peripheral plate 2 made of a wooden material and an inner door plate made of a synthetic resin material. 3, the mold M having the same shape as the inner shape of the outer circumferential plate 2 and the door inner plate 3 are combined, and the opening is filled with foamed heat insulating material 4, and then foamed. After that, the mold M is removed and the foamed heat insulating material 4 and the door inner plate 3 are attached to the outer peripheral plate 2.
く作用〉
上記課題解決手段において、金型Ｍと扉内板３とを合せ
て、その開に発泡断熱材４を発泡させることにより、発
泡断熱材４の発泡不良が発生しても外周板２１こ損傷が
生しないで｝斉む。In the above problem solving means, by combining the mold M and the door inner plate 3 and foaming the foamed heat insulating material 4 between them, even if foaming failure of the foamed heat insulating material 4 occurs, the outer peripheral plate 21 This will not cause any damage.
したがって、断熱特性を維持しながら製造コスト面で有
利となる。Therefore, it is advantageous in terms of manufacturing cost while maintaining heat insulating properties.
〈実施例〉
以下、本発明の一実施例を第１図ないし第７図に基づい
て説明する。<Example> An example of the present invention will be described below with reference to FIGS. 1 to 7.
第１図は本発明の一実施例を示す冷蔵庫の断熱扉の製造
方法そ示す樅断面図、第２図は同じくその横断面図、第
３図は同じく断熱扉の横断面図、第４図は同じくその縦
断面図、第５図は第３図のＸ部拡大図、第６図は第４図
のＹ部拡大図、第７図は同じく冷蔵庫の外観斜視図であ
る。なお、第８，９図１こ示した従来技術と同一機能部
品については同一符号を付している。Fig. 1 is a cross-sectional view of a fir showing a method of manufacturing an insulating door for a refrigerator according to an embodiment of the present invention, Fig. 2 is a cross-sectional view thereof, Fig. 3 is a cross-sectional view of the insulating door, and Fig. 4 is a cross-sectional view of the same. 5 is an enlarged view of the X section in FIG. 3, FIG. 6 is an enlarged view of the Y section in FIG. 4, and FIG. 7 is an external perspective view of the refrigerator. Note that the same reference numerals are given to the same functional parts as those of the prior art shown in FIGS. 8 and 9.
本実施例の冷蔵庫のＷｒ熱扉は、第３．４図の如く、断
熱扉本体１が木質材からなる外周板２と、合戊樹脂材か
らなる扉内板３とから構成され、該外周板２と扉内板３
との間に発泡断熱材４が設けられている。As shown in Fig. 3.4, the Wr heat door of the refrigerator of this embodiment has a heat insulating door main body 1 composed of an outer peripheral plate 2 made of wood material and an inner door plate 3 made of laminated resin material. Board 2 and door inner board 3
A foamed heat insulating material 4 is provided between the two.
前記断熱扉本体１は、第７図の如く、冷蔵庫本体６の前
方に上下二枚配されており、各断熱扉本体１は冷蔵庫本
体６に開閉自在に支持されている。As shown in FIG. 7, the heat insulating door bodies 1 are arranged in two pieces, upper and lower, in front of the refrigerator body 6, and each heat insulating door body 1 is supported by the refrigerator body 6 so as to be openable and closable.
前記外周板２は、第３，４図の如く、木質材の形戊、組
み合せ、接着、磯｛戒加工により厚内の断而コ字形に形
威されている。そして、外周板２の内ｆｌｔｌｌ （発
泡断熱材４惧１１）には、発泡断熱材４と係合する係合
凹部７が設けられている。As shown in FIGS. 3 and 4, the outer circumferential plate 2 is shaped into a U-shape with a thick inner edge by forming, combining, gluing, and sanding wood materials. An engagement recess 7 that engages with the foam heat insulating material 4 is provided in the inner part of the outer peripheral plate 2 (the foam heat insulating material 4 and 11).
前記扉内板３は、合Ｆ＆樹脂（プラスチック）の真空或
形等によ１）薄肉の断面Ｕ字形に形戊されている。The door inner plate 3 is formed into a thin U-shaped cross section by vacuum forming or the like of composite F&resin (plastic).
前記発泡断熱材４は、第３図の如く、横断面凸形１こ形
戒されており、発泡断熱材の外側（外周板２側）には、
前記外周板２の凹部８と係合する係合凸部８が設けられ
ている。この凸部８の形状は、府記凹部７に対応した形
に設けられている。As shown in FIG. 3, the foam insulation material 4 has a convex cylindrical cross section, and on the outside of the foam insulation material (on the outer peripheral plate 2 side),
An engaging protrusion 8 that engages with the recess 8 of the outer circumferential plate 2 is provided. The shape of the convex portion 8 is provided in a shape corresponding to the recessed portion 7.
なお、図中、９ほビスである。In addition, in the figure, there are 9 holes.
次｛こ、上記断熱扉の製造方法を第１．２図１こ基外周
板２の内側（凹部７）の形状と同一形状を有する金型Ｍ
と扉内板３とを合せ、その間に発泡断熱材（発泡ウレタ
ン）４を充填した後に発泡させ、その後金型Ｍを取り外
す。Next, the manufacturing method of the above-mentioned heat insulating door is described in Fig. 1.2.
and the door inner plate 3 are put together, a foamed heat insulating material (foamed urethane) 4 is filled between them and foamed, and then the mold M is removed.
そして、外周板２の周囲にドアパッキン５を装着し、外
周板２の凹部７と発泡断熱材４の凸部８とを係合し、ド
アパッキン５を挟み込むようビスタにて扉内板３を外周
板２に取り付けて断熱扉本体１が完戊する（この状態を
第３図ないし第６図に示す）。Then, the door packing 5 is attached around the outer circumferential plate 2, the recess 7 of the outer circumferential plate 2 and the convex part 8 of the foam insulation material 4 are engaged, and the door inner plate 3 is attached with a vista so as to sandwich the door packing 5. The heat insulating door body 1 is completely removed by attaching it to the outer peripheral plate 2 (this state is shown in FIGS. 3 to 6).
このように、金型Ｍと扉内板３とを合せて、その間に発
泡断熱材４を発泡させることにより、発泡断熱材４の発
泡不良が発生しても外周板２に損傷が生じないで済む。In this way, by combining the mold M and the door inner plate 3 and foaming the foamed heat insulating material 4 between them, even if foaming failure of the foamed heat insulating material 4 occurs, the outer peripheral plate 2 will not be damaged. It's over.
しｒこがって、断熱特性を維持しながら製造コスト面で
有利となる。As a result, it is advantageous in terms of manufacturing costs while maintaining insulation properties.
また、発泡断熱材４の発泡時にＴ良が発生しても外周板
２側への影響がないため、外周板２に高価な木質材を使
用することができ本の質感を外観しだせる。In addition, even if T failure occurs during foaming of the foamed heat insulating material 4, there is no effect on the outer circumferential plate 2, so that an expensive wood material can be used for the outer circumferential plate 2, and the appearance of the texture of a book can be obtained.
さらに、発泡断熱材４の発泡後に、外周板２を収り付け
るため、外周板２に木質材を使用しても発泡治具および
発泡工程での作業による木質材の外観傷も発生せずに済
み、発泡断熱材４の発泡時の熱、圧力による木質材の変
形、反り等ら回避できる。Furthermore, since the outer circumferential plate 2 is installed after the foamed insulation material 4 is foamed, even if a wooden material is used for the outer circumferential plate 2, there will be no damage to the appearance of the wooden material due to the foaming jig or work in the foaming process. It is possible to avoid deformation and warpage of the wood material due to heat and pressure during foaming of the foamed heat insulating material 4.
なお、本発明は、上記実施例に限定されるもので１土な
く、本発明の範囲内で上記実施例に多くの修正および変
更を加え得ることは勿論である。It should be noted that the present invention is not limited to the above embodiments, and it goes without saying that many modifications and changes can be made to the above embodiments within the scope of the present invention.
〈発明の効果〉
以上の説明から明らかな通り、本発明によると、金型と
扉内板とを合せて、その間に発泡断熱材を発泡させるこ
とにより、発泡断熱材の発泡不良が発生しても外周板に
損傷が生じないで済む。<Effects of the Invention> As is clear from the above description, according to the present invention, by combining the mold and the door inner plate and foaming the foam insulation material between them, foaming failure of the foam insulation material can be prevented. Also, no damage is caused to the outer peripheral plate.
しｒこがって、断熱特性を維持しながら製ｊｆｆｌコス
ト而で有利となる。As a result, it is advantageous in terms of manufacturing cost while maintaining heat insulating properties.
また、発泡断熱材の発泡時に不良が発生しても外周板側
への影響がないため、外周板に高価な木質材を使用する
ことができ木の質感を外観に表現できるので、断熱扉に
家具の高級感をかもしだせる。In addition, even if a defect occurs during foaming of the foam insulation material, it will not affect the outer circumferential plate, so expensive wood can be used for the outer circumferential plate, and the texture of wood can be expressed on the exterior, making it suitable for insulating doors. It gives the furniture a luxurious feel.
さらに、発泡断熱材の発泡後に、外周板を取り付けるた
め、外周板に木質材￥使用しても発泡冶具および発泡工
程での作業による木質材の外観傷も発生せずに：・斉み
、発泡断熱材の発泡時の熱、圧力による木質材の変形、
反り等ら回避できる。Furthermore, since the outer peripheral plate is attached after foaming the foam insulation material, even if wooden materials are used for the outer peripheral plate, there will be no damage to the appearance of the wood material due to the foaming jig or work in the foaming process. Deformation of wood materials due to heat and pressure when foaming,
Warpage etc. can be avoided.
第１図は本発明の一実施例を示す冷蔵ｊ・１（の断％扉
の製造方法を示す縦断面図、第２図は同じくその横断面
図、第３図は同じく断熱扉の横断面図、第４図は同じく
その縦断面図、第５図は第３図のＸ部拡大図、第６図は
第４図のＹ部拡大図、第７図は同じく冷蔵庫の外観斜視
図、第８図は従来の冷蔵庫の断熱扉の外観斜視図、第９
図は第８図のＡ−Ａ断而図である。
１：断熱扉本体、２：外周板、３：扉円板、・ｔ：発泡
断熱材、Ｍ：金型。
第
４
図
第
２
図
第
１
図
第
３
図
第
８
図
第
９
図
第
７
図Fig. 1 is a vertical cross-sectional view showing a method of manufacturing a refrigerator door according to an embodiment of the present invention, Fig. 2 is a cross-sectional view thereof, and Fig. 3 is a cross-sectional view of a heat-insulating door. Figure 4 is a longitudinal sectional view of the same, Figure 5 is an enlarged view of the Figure 8 is an external perspective view of a conventional refrigerator insulation door;
The figure is an A-A diagram of FIG. 1: Insulating door body, 2: Peripheral plate, 3: Door disc, t: Foam insulation, M: Mold. Figure 4 Figure 2 Figure 1 Figure 3 Figure 8 Figure 9 Figure 7
Claims (1)
らなる扉内板とから構成された冷蔵庫の断熱扉において
、前記外周板の内側形状と同一形状を有する金型と前記
扉内板とを合せ、その間に発泡断熱材を充填した後に発
泡させ、その後前記金型を取り外して発泡断熱材および
扉内板を外周板に取り付けることを特徴とする冷蔵庫の
断熱扉の製造方法。In a heat insulating door for a refrigerator in which the heat insulating door body is composed of an outer circumferential plate made of a wood material and an inner door plate made of a synthetic resin material, a mold having the same shape as the inner shape of the outer circumferential plate and the door inner plate. A method for manufacturing a heat insulating door for a refrigerator, comprising: filling a foam heat insulating material between the molds and foaming the foam heat insulating material, and then removing the mold and attaching the foam heat insulating material and the door inner plate to the outer peripheral plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30627489A JPH03168574A (en) | 1989-11-24 | 1989-11-24 | Manufacture of insulating door for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30627489A JPH03168574A (en) | 1989-11-24 | 1989-11-24 | Manufacture of insulating door for refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03168574A true JPH03168574A (en) | 1991-07-22 |
Family
ID=17955112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30627489A Pending JPH03168574A (en) | 1989-11-24 | 1989-11-24 | Manufacture of insulating door for refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03168574A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007147196A (en) * | 2005-11-29 | 2007-06-14 | Mitsubishi Electric Corp | Refrigerator |
-
1989
- 1989-11-24 JP JP30627489A patent/JPH03168574A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007147196A (en) * | 2005-11-29 | 2007-06-14 | Mitsubishi Electric Corp | Refrigerator |
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