JPH0744940Y2 - Refrigerator door - Google Patents
Refrigerator doorInfo
- Publication number
- JPH0744940Y2 JPH0744940Y2 JP1989094168U JP9416889U JPH0744940Y2 JP H0744940 Y2 JPH0744940 Y2 JP H0744940Y2 JP 1989094168 U JP1989094168 U JP 1989094168U JP 9416889 U JP9416889 U JP 9416889U JP H0744940 Y2 JPH0744940 Y2 JP H0744940Y2
- Authority
- JP
- Japan
- Prior art keywords
- groove
- mounting groove
- gasket
- panel
- side wall
- 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.)
- Expired - Lifetime
Links
Landscapes
- Refrigerator Housings (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Gasket Seals (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 この考案は、プラスチック成形された内面パネルを備え
ている冷蔵庫の扉に関し、とくに扉のガスケットが内面
パネルの装着溝に圧嵌装着してあるものを対象とする。[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a refrigerator door having an inner panel formed by plastic molding, and in particular, a gasket of the door is press-fitted in a mounting groove of the inner panel. Target things.
プラスチック成形された内面パネルにガスケット用の装
着溝を一体形成することは、例えば実公昭54-27151号公
報に公知である。前記装着溝の断面形を内拡がり形状と
することも、例えば実公昭62-41176号公報に公知であ
る。It is known, for example, from Japanese Utility Model Publication No. 54-27151, to integrally form a mounting groove for a gasket in a plastic molded inner panel. It is also known, for example, from Japanese Utility Model Publication No. 62-41176 that the mounting groove has a cross-sectional shape that is inwardly expanded.
扉用のガスケットを装着溝に圧嵌装着する形式では、装
着溝の断面形状と、装着状態におけるガスケットの変形
応力とで装着強度が決まる。強い装着強度を得るには、
装着溝の開口幅に比べて内奥側の幅を十分に大きく設定
し、内拡がりの度合を大きくすること、および嵌着状態
におけるガスケットの変形量を大きくし、あるいはその
変形応力を大きく設定することが有効となる。In the type in which the door gasket is press-fitted into the mounting groove, the mounting strength is determined by the sectional shape of the mounting groove and the deformation stress of the gasket in the mounted state. To get strong wearing strength,
Set the width on the inner back side sufficiently larger than the opening width of the mounting groove to increase the degree of inward expansion and increase the deformation amount of the gasket in the fitted state or set the deformation stress thereof. Will be effective.
しかし、装着溝の内拡がりの度合が大であると、成形時
における離型が困難となり、型構造の複雑化を招く。し
かも、無理な離型によって内面パネルが塑性変形を受
け、装着溝が変形することもある。とくに、溝のコーナ
部において離型時の変形を受けやすい。また、ガスケッ
トの変形応力を大きく設定した場合には、溝への挿入作
業が困難になり勝ちでガスケットの組付性に問題が出
る。However, if the degree of inner expansion of the mounting groove is large, it becomes difficult to release the mold during molding, and the mold structure becomes complicated. In addition, the inner panel may be plastically deformed due to the excessive release, and the mounting groove may be deformed. In particular, the corners of the groove are susceptible to deformation during mold release. Further, when the deformation stress of the gasket is set to a large value, it becomes difficult for the gasket to be inserted into the groove, which causes a problem in the assembling property of the gasket.
こうした理由から、従来は溝の側壁の傾きや側方への入
り込み深さを小さくするなど、内拡がりの度合を抑え、
しかもガスケットの変形応力を組付に支障のない程度に
まで低下させていた。For this reason, conventionally, the degree of inward expansion is suppressed by reducing the inclination of the side wall of the groove and the depth of lateral entry.
Moreover, the deformation stress of the gasket was reduced to such an extent that the assembly was not hindered.
そのため、この種の取付形態で装着されたガスケット
は、例えばビス止めされたガスケットなどに比べて装着
溝から外れやすく、とくに扉の縦横寸法が大きい業務用
冷蔵庫の場合は、装着溝の長手方向中央部付近におい
て、ガスケットが抜けやすい不利があった。Therefore, gaskets installed in this type of mounting form are more likely to come off the installation groove than, for example, gaskets that are screwed, and especially in the case of commercial refrigerators with large vertical and horizontal dimensions of the door, the center of the installation groove in the longitudinal direction. There was a disadvantage that the gasket easily came off near the part.
本考案は、かかる実情に着目して提案されたものであ
る。本考案の目的は、内面パネルの成形時の離型性を向
上し、同時にガスケットの装着強度を向上して、信頼性
に優れた冷蔵庫の扉を得ることにある。The present invention has been proposed in view of such a situation. An object of the present invention is to improve the releasability at the time of molding the inner panel and at the same time improve the mounting strength of the gasket to obtain a highly reliable refrigerator door.
本考案では、正面視角枠状の装着溝６において、その辺
部Ｓとコーナ部Ｔとで溝断面形を異らせて、二律背反的
な要請である離型性の向上と装着強度の向上とを同時に
実現するにある。According to the present invention, in the mounting groove 6 having a frame shape in a front view, the side portion S and the corner portion T have different groove cross-sectional shapes to improve the releasability and mounting strength, which are trade-off requirements. To realize at the same time.
具体的には第１図に示すごとく装着溝６の辺部Ｓでは、
対向する溝側壁９・10のそれぞれに内拡がり形状の掛止
面11・12を形成し、コーナ部Ｔでは、一方の溝側壁10に
のみ掛止面12を形成するが、他方の溝側壁９はパネル板
面とほぼ直交するフラット面13に形成したことを要件と
する。Specifically, as shown in FIG. 1, in the side portion S of the mounting groove 6,
Inwardly extending hooking surfaces 11 and 12 are formed on the opposing groove sidewalls 9 and 10, respectively, and at the corner portion T, the hooking surface 12 is formed only on one groove sidewall 10, but the other groove sidewall 9 is formed. Is required to be formed on a flat surface 13 that is substantially orthogonal to the panel plate surface.
成形時の離れ型は装着溝６のコーナ部Ｔで最も困難とな
る。溝が交差状に隣接するため、離型時に異る方向の力
が同時に作用し、内面パネル４の板面あるいは装着溝６
の弾性変形における離型が行えないからである。The separation mold at the time of molding becomes the most difficult at the corner portion T of the mounting groove 6. Since the grooves are adjacent to each other in a cross shape, forces in different directions act at the same time at the time of release, and the plate surface of the inner panel 4 or the mounting groove 6
This is because the mold release due to the elastic deformation of is not possible.
一方、辺部Ｓにおいては離型力の方向が定まっており、
しかもパネル板面や装着溝６が溝幅を拡げる側に容易に
弾性変形できるので、支障なく型抜きを行える。従っ
て、辺部Ｓにおいて溝側壁９・10のそれぞれに掛止面11
・12を形成し、コーナ部Ｔでは一方の溝側壁10に限って
掛止面12を形成することにより、内面パネル４の離型性
を向上できる。On the other hand, in the side part S, the direction of the releasing force is fixed,
Moreover, since the panel plate surface and the mounting groove 6 can be easily elastically deformed to the side where the groove width is widened, die cutting can be performed without trouble. Therefore, at the side portion S, the hooking surface 11 is provided on each of the groove side walls 9 and 10.
By forming 12 and forming the hooking surface 12 only on one side wall 10 of the groove at the corner portion T, the releasability of the inner panel 4 can be improved.
また、ガスケット７が外れやすい辺部Ｓにおいて、溝側
壁９・10のそれぞれに掛止面11・12を形成し、両掛止面
11・12でガスケット７を捕捉固定するので、その装着強
度を向上できる。In addition, at the side portion S where the gasket 7 is easily removed, hooking surfaces 11 and 12 are formed on the groove side walls 9 and 10, respectively.
Since the gasket 7 is captured and fixed at 11 and 12, its mounting strength can be improved.
図面は本考案を業務用の冷蔵庫に適用した実施例を示
す。The drawings show an embodiment in which the present invention is applied to a commercial refrigerator.
第６図において、符号１は冷蔵庫本体、２はその扉であ
る。扉２は第５図に示すごとくステンレス製の外面パネ
ル３と、これの内面に固定される内面パネル４、および
両パネル３・４間に充填される発泡樹脂製の断熱材５な
どで構成されており、その一側端が冷蔵庫本体１にヒン
ジで支持されて全体がヒンジを支点に揺動開閉できる。In FIG. 6, reference numeral 1 is a refrigerator main body, and 2 is a door thereof. As shown in FIG. 5, the door 2 is composed of an outer surface panel 3 made of stainless steel, an inner surface panel 4 fixed to the inner surface of the outer surface panel 3, and a heat insulating material 5 made of foam resin filled between the both panels 3 and 4. One end of the hinge is supported by the refrigerator body 1 by a hinge, and the whole body can swing and open and close with the hinge as a fulcrum.
内面パネル４は真空成形法によって形成されたプラスチ
ック成形品であり、角形状の周縁に沿って装着溝６を一
体に凹設してあり、該装着溝６にガスケット７が圧嵌装
着される。The inner surface panel 4 is a plastic molded product formed by a vacuum forming method, and a mounting groove 6 is integrally recessed along a peripheral edge of a square shape, and a gasket 7 is press-fitted and mounted in the mounting groove 6.
第４図において、全体が四角形状をなす装着溝６は、そ
の辺部Ｓとコーナ部Ｔとで断面形状が異なる。In FIG. 4, the mounting groove 6 having a quadrangular shape as a whole has different cross-sectional shapes at the side portion S and the corner portion T thereof.
第２図は辺部Ｓを示しており、対向する一対の溝側壁９
・10をそれぞれを互いに遠ざかる側に湾曲させて内拡が
り形状の掛止面11・12を形成し、全体として鍵穴状の断
面形状を呈している。FIG. 2 shows the side portion S, and a pair of opposing groove side walls 9
Each of the 10 is curved toward the side away from each other to form the inwardly extending hooking surfaces 11 and 12, and has a keyhole-shaped cross-sectional shape as a whole.
第３図はコーナ部Ｔを示しており、一対の溝側壁９・10
のうち外側方の溝側壁10にのみ、辺部Ｓと同様の掛止面
12を形成し、内方側の溝側壁９は内面パネル４のパネル
面とほぼ直交するフラット面13に形成してある。FIG. 3 shows the corner portion T, and the pair of groove side walls 9 and 10 is shown.
Of the groove side wall 10 on the outer side of the above, a hooking surface similar to the side portion S
12 is formed, and the groove side wall 9 on the inner side is formed on a flat surface 13 that is substantially orthogonal to the panel surface of the inner surface panel 4.
辺部Ｓとコーナ部Ｔの境界は、装着溝６の長手方向寸法
や内面パネル４の厚みおよび形成材料、あるいは成形法
などで異なってくるが、離型時に装着溝６が弾性変形し
やすい部分と、弾性変形が困難な部分との隣接部を目安
してその位置を定める。The boundary between the side portion S and the corner portion T varies depending on the longitudinal dimension of the mounting groove 6, the thickness of the inner panel 4, the forming material, the molding method, and the like, but the mounting groove 6 is easily elastically deformed at the time of mold release. Then, the position is determined with reference to a portion adjacent to the portion where elastic deformation is difficult.
第５図においてガスケット７は、装着溝６内に圧嵌され
る脚部15と、マグネット16が埋設されたシール部17と、
脚部15とシール部17間を繋ぐ弾性壁18と、シール舌片19
などを一体に形成したゴム成形品である。In FIG. 5, the gasket 7 includes a leg portion 15 press-fitted into the mounting groove 6, a seal portion 17 in which a magnet 16 is embedded,
The elastic wall 18 connecting the leg 15 and the seal 17 and the seal tongue 19
It is a rubber molded product that is integrally formed with.
脚部15には、装着溝６の開口幅より広幅で掛止面11・12
に抜け止め状に支持される掛止舌片20が外側に張り出し
形成してある。この掛止舌片20はガスケット７を装着溝
６に圧嵌した状態において、折り曲げ変形されて掛止面
11・12に弾性接当し、その変形応力によってガスケット
７の抜け外れを規制する。The legs 15 are wider than the opening width of the mounting groove 6 and have hooking surfaces 11 and 12.
A latching tongue piece 20 is formed so as to project outwardly and is supported in a retaining shape. This latching tongue piece 20 is bent and deformed in a state where the gasket 7 is press-fitted into the mounting groove 6 to be deformed.
The gasket 7 is elastically contacted with 11 and 12, and the deformation stress restricts the gasket 7 from coming off.
内面パネル４は、とくに離型の困難なコーナ部Ｔにおい
て、その内側方の溝側壁９をフラット面13にしてあるの
で、装着溝６を形成するための金型が溝側壁９に引っ掛
ることをよく防止し、金型の離型を容易にする。外側方
の溝側壁10は、内面パネル４の周縁壁がたわみ変形する
ことで、その掛止面12を金型から確実に離脱させること
ができる。Since the inner side panel 4 has the inner side groove side wall 9 as the flat surface 13 especially at the corner portion T where the mold release is difficult, the die for forming the mounting groove 6 is caught on the groove side wall 9. To prevent mold release easily. The outer side wall 10 of the groove can flexibly deform the peripheral wall of the inner panel 4 so that the hooking surface 12 can be reliably separated from the mold.
ガスケット７を装着溝６に圧嵌した状態において、とく
に辺部Ｓの中央部付近でガスケット７が装着溝６から抜
け外れやすい傾向を持つ。とかし、本案の辺部Ｓは内外
の溝側壁９・10の双方に掛止面11・12を有し、両掛止面
11・12で掛止舌片20を確実に捕捉するので、全体として
ガスケット７の装着強度が向上する。にもかかわらず、
コーナ部Ｔに対してはガスケット７が装着しやすくて抜
け外れ難い。When the gasket 7 is press-fitted into the mounting groove 6, the gasket 7 tends to come off from the mounting groove 6 particularly near the central portion of the side S. However, the side portion S of the present invention has hooking surfaces 11 and 12 on both the inner and outer groove side walls 9 and 10,
Since the latching tongue piece 20 is reliably captured by 11 and 12, the mounting strength of the gasket 7 is improved as a whole. in spite of,
The gasket 7 is easily attached to the corner portion T and is hard to come off.
装着溝６の断面形は、例えば等脚台形状や凸字形状など
の内拡がり形状となるように掛止面11・12が形成してあ
ればよい。両掛止面11・12の凹み深さは必ずしも同じで
ある必要はなく、内外いずれか一方を他方より大きく設
定してもよい。装着溝６の断面形状に応じてガスケット
７の断面形状が変更されることは言うまでもない。装着
溝６の断面形状によっては、フラット面13を外側方の溝
側壁10に形成することもできる。The cross section of the mounting groove 6 may have the hooking surfaces 11 and 12 so as to have an inward spreading shape such as an isosceles trapezoidal shape or a convex shape. The depths of the recesses of the two hooking surfaces 11 and 12 do not necessarily have to be the same, and one of the inner and outer surfaces may be set larger than the other. It goes without saying that the cross-sectional shape of the gasket 7 is changed according to the cross-sectional shape of the mounting groove 6. Depending on the sectional shape of the mounting groove 6, the flat surface 13 may be formed on the groove side wall 10 on the outer side.
内面パネル４は真空成形法以外に、ブロー成形によって
もよく、場合によっては射出成形で得ることもできる。The inner surface panel 4 may be formed by blow molding or injection molding in some cases, other than the vacuum forming method.
ガスケット７が圧嵌される装着溝６の断面形状に関し
て、その辺部Ｓでは一対の溝側壁９・10に内拡がり形状
の掛止面11・12が形成され、コーナ部Ｔでは一方の溝側
壁10にのみ掛止面12を形成するとともに、他方の溝側壁
９はフラット面13に形成した。従って、離型時に問題と
なる、コーナ部Ｔでの金型と装着溝６の離型を確実にし
かも無理なく行え、内面パネル４の成形時の離型性を向
上できる。また前記辺部Ｓにおいて、内外の溝側壁９・
10のそれぞれに掛止面11・12を形成し、両掛止面11・12
でガスケット７を確実に捕捉するので、ガスケット７の
装着強度の向上を図れ、ガスケット７の脱落や浮き上り
などを無くせ、全体として信頼性に優れた冷蔵庫の扉を
得ることができる。Regarding the cross-sectional shape of the mounting groove 6 into which the gasket 7 is press-fitted, in the side portion S, a pair of groove side walls 9 and 10 have inwardly extending hooking surfaces 11 and 12, and at the corner portion T, one groove side wall. A hooking surface 12 was formed only on 10, and the other groove side wall 9 was formed on a flat surface 13. Therefore, the mold and the mounting groove 6 at the corner T can be reliably and comfortably released from the mold, which is a problem when releasing the mold, and the releasability at the time of molding the inner panel 4 can be improved. Further, in the side portion S, the inner and outer groove side walls 9
Hooking surfaces 11 and 12 are formed on each of 10 and both hooking surfaces 11 and 12
Since the gasket 7 is reliably captured by, the mounting strength of the gasket 7 can be improved, the gasket 7 can be prevented from falling or rising, and a refrigerator door having excellent reliability as a whole can be obtained.
第１図ないし第５図は本考案に係る冷蔵庫用扉の実施例
を示しており、 第１図は内部方向から見た要部の正面図、 第２図は第１図におけるＡ−Ａ線断面図、 第３図は第１図におけるＢ−Ｂ線断面図、 第４図は全体を内部方向から見た正面図、 第５図は第４図におけるＣ−Ｃ線断面図、 第６図は冷蔵庫の概略断面図である。 ２……扉、４……内面パネル、６……装着溝、７……ガ
スケット、９・10……溝側壁、11・12……掛止面、13…
…フラット面、Ｓ……辺部、Ｔ……コーナ部。1 to 5 show an embodiment of a refrigerator door according to the present invention. FIG. 1 is a front view of a main part as seen from the inside, and FIG. 2 is a line AA in FIG. Sectional drawing, FIG. 3 is a sectional view taken along the line BB in FIG. 1, FIG. 4 is a front view of the whole seen from the inside, and FIG. 5 is a sectional view taken along the line CC in FIG. FIG. 3 is a schematic sectional view of a refrigerator. 2 ... Door, 4 ... Inner panel, 6 ... Mounting groove, 7 ... Gasket, 9/10 ... Groove side wall, 11/12 ... Latching surface, 13 ...
... Flat surface, S ... side, T ... corner.
Claims (1)
を備えており、 内面パネル（４）の周縁に沿って装着溝（６）を形成
し、 この装着溝（６）にガスケット（７）を圧嵌装着した冷
蔵庫の扉において、 装着溝（６）の辺部（Ｓ）では、対向する溝側壁（９・
10）のそれぞれに内拡がり形状の掛止面（11・12）を形
成してあり、 装着溝（６）のコーナ部（Ｔ）では、一方の溝側壁（1
0）にのみ掛止面（12）を形成し、他方の溝側壁（９）
はパネル板面とほぼ直交するフラット面（13）に形成し
てある冷蔵庫の扉。1. A plastic molded interior panel (4).
In the refrigerator door in which the mounting groove (6) is formed along the peripheral edge of the inner panel (4) and the gasket (7) is press-fitted into the mounting groove (6), the mounting groove (6) is provided. At the side portion (S) of the groove side wall (9.
Inner flaring surfaces (11, 12) are formed on each of the (10), and at the corner (T) of the mounting groove (6), one groove side wall (1) is formed.
The hook surface (12) is formed only on (0) and the other groove side wall (9)
Is the door of the refrigerator formed on the flat surface (13) that is almost orthogonal to the panel surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989094168U JPH0744940Y2 (en) | 1989-08-09 | 1989-08-09 | Refrigerator door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989094168U JPH0744940Y2 (en) | 1989-08-09 | 1989-08-09 | Refrigerator door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0334587U JPH0334587U (en) | 1991-04-04 |
| JPH0744940Y2 true JPH0744940Y2 (en) | 1995-10-11 |
Family
ID=31643510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989094168U Expired - Lifetime JPH0744940Y2 (en) | 1989-08-09 | 1989-08-09 | Refrigerator door |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0744940Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS611981A (en) * | 1984-06-12 | 1986-01-07 | 松下冷機株式会社 | Holding structure of door gasket for refrigerator |
| JPS6241176U (en) * | 1985-08-28 | 1987-03-12 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5789183U (en) * | 1980-11-20 | 1982-06-01 |
-
1989
- 1989-08-09 JP JP1989094168U patent/JPH0744940Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS611981A (en) * | 1984-06-12 | 1986-01-07 | 松下冷機株式会社 | Holding structure of door gasket for refrigerator |
| JPS6241176U (en) * | 1985-08-28 | 1987-03-12 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0334587U (en) | 1991-04-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |