JPH01300185A - Manufacture of door for refrigerator and the like - Google Patents
Manufacture of door for refrigerator and the likeInfo
- Publication number
- JPH01300185A JPH01300185A JP13105688A JP13105688A JPH01300185A JP H01300185 A JPH01300185 A JP H01300185A JP 13105688 A JP13105688 A JP 13105688A JP 13105688 A JP13105688 A JP 13105688A JP H01300185 A JPH01300185 A JP H01300185A
- Authority
- JP
- Japan
- Prior art keywords
- door
- binding material
- packing
- cut
- resin sheet
- 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 description 13
- 238000012856 packing Methods 0.000 claims abstract description 41
- 239000011347 resin Substances 0.000 claims abstract description 19
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000003466 welding Methods 0.000 claims abstract description 12
- 238000005452 bending Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 39
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000004927 fusion Effects 0.000 abstract 1
- 238000005304 joining Methods 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Refrigerator Housings (AREA)
Abstract
Description
【発明の詳細な説明】
く技術分野〉
本発明は、冷蔵庫のような密閉収納庫のドアの製造方法
に係り、詳しくは、ドアの四辺を囲む枠体の製造方法に
関する。DETAILED DESCRIPTION OF THE INVENTION Technical Field The present invention relates to a method of manufacturing a door for a closed storage such as a refrigerator, and more particularly to a method of manufacturing a frame surrounding the four sides of the door.
〈従来技術〉
従来の冷蔵庫のドアは、デザイン面の必要性から、第７
図に示すようなキャップ方式のドアが一般に使用されて
いる。<Prior art> Due to the necessity of design, the conventional refrigerator door has a seventh door.
A cap type door as shown in the figure is generally used.
このキャップ方式のドアは、ドア本体の左右両側に一対
のドアサツシＩを設け、両ドアサツシｌの前面側にドア
プレート２を設け、このドアプレート２およびドアサツ
シｌの上下に一対のキャップ材３．３を嵌め込んだもの
である。This cap type door has a pair of door sashes I on the left and right sides of the door body, a door plate 2 on the front side of both door sashes I, and a pair of cap materials 3.3 above and below the door plate 2 and door sashes I. It is inset.
第８図はその拡大した断面形状を示しており、４はパッ
キング、５は背面板、６はウレタンのような発泡材であ
る。ドアプレート２の左右締部２ａは、ドアサツシ１に
形成されている嵌入溝１ａに嵌入される。また、ドアサ
ツシ１の内側への張り出し部分１ｂには背面板５がビス
７により取り付けられる。パッキング４は、その係合突
部４ａをドアサツシ１の嵌合凹部１ｃに嵌め込むことに
よって、ドアサツシｌに取り付けられる。なお、ドアプ
レート２の前面には、通常、カバーパネル８が張設され
るが、説明を簡単にするため、第７図には図示していな
い。FIG. 8 shows its enlarged cross-sectional shape, and 4 is a packing, 5 is a back plate, and 6 is a foam material such as urethane. The left and right fastening portions 2a of the door plate 2 are fitted into fitting grooves 1a formed in the door sash 1. Further, a back plate 5 is attached to the inwardly projecting portion 1b of the door sash 1 with screws 7. The packing 4 is attached to the door frame 1 by fitting the engagement protrusion 4a into the fitting recess 1c of the door frame 1. Note that although a cover panel 8 is normally stretched over the front surface of the door plate 2, it is not shown in FIG. 7 to simplify the explanation.
しかしながら、上記のキャップ方式のドアでは、部品点
数が多く、部品相互の取付作業が必要となるため、生産
性が低い、という問題がある。However, the cap-type door described above has a problem of low productivity because it has a large number of parts and requires work to attach the parts to each other.
これに対しては、ドアサツシとパッキングとを一体化し
た結合材を製作し、この結合材で、ドアの四辺を囲む枠
体を構成することが提案されている。ドアサツシと°パ
ッキングとは硬質、軟質の違いはあるが、各別に押出成
形した直後、各成形体が硬化する前に接合することによ
り、一体化することができる。このドアサツシ部とパッ
キング部とを有する結合材を使用すれば、少なくとも、
ドアサツシにパッキングを取り付ける作業工程を省略す
ることかできる。In response to this, it has been proposed to manufacture a binding material that integrates the door sash and packing, and to construct a frame surrounding the four sides of the door using this binding material. Although there are differences between hard and soft door sashes and °packing, they can be integrated by extruding each separately and then joining them together before each molded product hardens. If this binding material having a door sash part and a packing part is used, at least
The work process of attaching the packing to the door sash can be omitted.
ところで、前記の結合材を利用してドアの枠体を構成す
る場合、次の２つの方式が考えられる。By the way, when constructing a door frame using the above-mentioned binding material, the following two methods can be considered.
１つは、四辺分割方式と称するもので、第９図に示すよ
うに、結合材ＩＯをドアの縦辺および横辺に相当する長
さに切断し、この切断した結合材ＩＯの端部どうしを溶
着して、ドアの枠体を構成するものである。One is called the four-side splitting method, in which the binding material IO is cut into lengths corresponding to the vertical and horizontal sides of the door, and the ends of the cut binding material IO are connected to each other, as shown in Figure 9. are welded together to form the door frame.
この、方式では、枠体のコーナ個所で、結合材ＩＯを構
成するドアサツシ部１０ａとパッキング部ｔａｂとをそ
れぞれ溶着する必要があるが、ドアサツシ部１０ａは硬
質の樹脂であり、パッキング部１０ｂは軟質の樹脂であ
って、互いに溶着温度が異なるので、溶着結合が極めて
難しい。In this method, it is necessary to weld the door sash part 10a and the packing part tab, which constitute the binding material IO, at the corners of the frame, but the door sash part 10a is made of hard resin, and the packing part 10b is made of soft resin. These resins have different welding temperatures, making welding and joining extremely difficult.
他の方式は、四辺一体方式と称するもので、第１Ｏ図に
示すように、ドアの四辺を囲む長さの結合材ＩＯを用意
し、その結合材ＩＯのコーナとなる個所に、ドアサツシ
部１０ａの一部を連結部１０ｃとして残して折曲用切り
込み１１を入れ、その切り込み個所で結合材１０を折曲
し、ドアの四辺を囲む枠体を構成するものである。The other method is called the four-side integrated method, in which a binding material IO with a length that surrounds the four sides of the door is prepared, and the door sash portion 10a is attached at the corner of the binding material IO, as shown in Figure 1O. A bending cut 11 is made leaving a part of the connecting portion 10c, and the binding material 10 is bent at the cut point to form a frame surrounding the four sides of the door.
この方式では、ドアの縦辺や横辺に相当する各辺のドア
サツシ部１０ａは、切り残した連結部ｌＯｃを介して互
いに連続しているので、ドアサツシ部１０ａどうしの溶
着は特に行う必要がなく、パッキング部ｔａｂの溶着だ
けを行えばよい。しかしながら、パッキング部ｔａｂを
切り込みにより分断することにより、軟質のパッキング
部１０ｂは、硬質のドアサツシ部１０ａよりも短縮する
ので、パッキング部ｔｏｂどうしの溶着代がなくなって
しまう。したがって、パッキング部ｔｏｂどうしの溶着
を行うことができず、そのままでは、密封性が損なわれ
る。In this method, the door sash parts 10a on each side corresponding to the vertical and horizontal sides of the door are continuous with each other via the uncut connecting part lOc, so there is no need to particularly weld the door sash parts 10a together. , it is only necessary to weld the packing part tab. However, by dividing the packing part tab by the cut, the soft packing part 10b becomes shorter than the hard door sash part 10a, so there is no welding margin between the packing parts tob. Therefore, the packing parts tob cannot be welded together, and if left as is, the sealing performance will be impaired.
以上のように、ドアサツシ部１０ａとパッキング部１０
ｂとが一体となった結合材１０でドアの枠体を構成する
には問題があり、従来、結合材ＩＯを利用してドアを製
造することは、事実上、無理であった。As described above, the door sash section 10a and the packing section 10
There is a problem in constructing a door frame using the bonding material 10 that is integrated with the bonding material IO, and conventionally, it has been practically impossible to manufacture a door using the bonding material IO.
〈発明の目的〉
本発明は、上述の問題点に鑑みてなされたものであって
、ドアサツシ部とパッキング部とが一体となった結合材
を利用してドアの枠体を構成する構成方式のうち、四辺
一体方式に改良を加えることで、パッキング部どうしの
溶着を可能にして密封性を確保し、ドア製造の生産性を
高めることを目的とする。<Object of the Invention> The present invention has been made in view of the above-mentioned problems, and provides a construction system in which a door frame is constructed using a bonding material in which a door sash part and a packing part are integrated. By improving the four-sided integrated method, the aim is to make it possible to weld the packing parts together to ensure sealing and increase productivity in door manufacturing.
〈発明の構成〉
本発明は、上記の目的を達成するために、ドアサツシ部
とパッキング部とが一体となった結合材を所要の長さ分
、用意する工程と、この結合材のコーナとなる個所に、
ドアサツシ部の一部を連結部として残して折曲用切り込
みを形成する工程と、前記切り込み個所で結合材を折曲
してドアの四辺を囲む枠体を構成する工程とを含み、結
合材で枠体を構成するに当たって、結合材の折曲個所で
パッキング部の端部間に軟質樹脂シートを介装し、この
軟質樹脂シートを溶着代としてパッキング部の端部どう
しを溶着するようにして、冷蔵庫等のドアの製造方法を
構成した。<Structure of the Invention> In order to achieve the above object, the present invention includes a step of preparing a required length of a binding material in which a door sash part and a packing part are integrated, and a corner of this binding material. In some places,
The process includes a step of leaving a part of the door sash part as a connecting part and forming a bending cut, and a step of bending the binding material at the cut part to form a frame surrounding the four sides of the door. In constructing the frame, a soft resin sheet is interposed between the ends of the packing part at the bending point of the binding material, and the ends of the packing part are welded together using this soft resin sheet as a welding margin. A method of manufacturing doors for refrigerators, etc. was constructed.
〈実施例〉
以下、本発明を図面に示す実施例に基づいて詳細に説明
する。<Example> Hereinafter, the present invention will be described in detail based on an example shown in the drawings.
第１図は、本発明の製造方法により得られるドアの外観
斜視図である。図に示すように、ドアは、その四辺が枠
体で囲まれており、この枠体が、ドアサツシ部１０ａと
パッキング部１０ｂとが一体となった結合材１０で構成
されている。１２はドアブレートである。FIG. 1 is an external perspective view of a door obtained by the manufacturing method of the present invention. As shown in the figure, the door is surrounded by a frame on all four sides, and this frame is made of a bonding material 10 in which a door sash portion 10a and a packing portion 10b are integrated. 12 is a door plate.
次に、第２図ないし第６図に基づいて上記ドアの製造方
法の各工程を説明する。Next, each step of the door manufacturing method will be explained based on FIGS. 2 to 6.
■ まず、第２図に示すように、ドアの四辺を囲む長さ
の結合材ｌＯを用意する。この結合材１０は、ドアサツ
シ部１０ａの背面側にパッキング部ｔａｂを一体に形成
したものである。(1) First, as shown in FIG. 2, prepare a length of bonding material lO that surrounds the four sides of the door. This binding material 10 has a packing part tab integrally formed on the back side of the door sash part 10a.
結合材ｌＯの断面形状は、第３図に示す通りであって、
ドアサツシ部１０ａは、角パイプ状の筒状部分１０ｄと
、この筒状部分１０ｄの一側に形成されたドアプレート
用嵌入溝１０ｅと、背面板を取り付けるための張り出し
部分１０ｆとを有しており、第８図に示した従来のドア
サツシ１におけるようなパッキング係合突部４ａの嵌合
凹部１ｃは省略されている。The cross-sectional shape of the binder lO is as shown in FIG.
The door sash portion 10a has a square pipe-shaped cylindrical portion 10d, a door plate fitting groove 10e formed on one side of the cylindrical portion 10d, and a projecting portion 10f for attaching a back plate. , the fitting recess 1c of the packing engagement protrusion 4a as in the conventional door sash 1 shown in FIG. 8 is omitted.
■ 結合材ｌＯのコーナ相当個所に折曲用のＶ字形切り
込み１１を切設する。この場合、ドアサツシ部１０ａの
外縁部分を切り残して、連結部１０ｃとする。なお、結
合材ｌＯの両端部は、互いに直角に突き合わせて接合す
るために、斜めに切り落としておく。(2) Cut a V-shaped notch 11 for bending at a location corresponding to the corner of the binding material IO. In this case, the outer edge portion of the door sash portion 10a is left uncut to form the connecting portion 10c. Note that both ends of the bonding material 10 are cut off diagonally in order to abut each other at right angles and join.
■ この後、第４図に示すように、結合材ＩＯを前記切
り込みＩＩの個所で折曲する。この折曲の際、切り込み
により分断されたパッキング部ｌＯｂの端部間に軟質樹
脂シート１３を挟み込む。(2) Thereafter, as shown in FIG. 4, the binding material IO is bent at the cut II. During this bending, the soft resin sheet 13 is sandwiched between the ends of the packing part lOb divided by the cut.
この軟質樹脂シート１３は、パッキング部１０ｂの溶着
代となるもので、パッキング部ｔａｂと同質の樹脂で構
成されている。This soft resin sheet 13 serves as a welding margin for the packing part 10b, and is made of the same resin as the packing part tab.
■ 軟質樹脂シート１３を挟み込んだ状態でパッキング
部１０ｂの端部どうしを溶着する。第５図は、溶着後の
折曲個所を示しており、Ｉ４はパッキング部１０ｂの端
部どうしの溶着部である。パッキング部１０ｂどうしの
溶着後、余分の軟質樹脂シート１３は切断により除去す
る。(2) Weld the ends of the packing part 10b with the soft resin sheet 13 sandwiched between them. FIG. 5 shows the bent portion after welding, and I4 is the welded portion between the ends of the packing portion 10b. After the packing parts 10b are welded together, the excess soft resin sheet 13 is removed by cutting.
■ このように結合材１０を折曲して、四辺形の枠体を
構成するのであるか、各折曲個所では、ドアサツシ部１
０ａは連結部１０ｃで互いに連続してるから、特に溶着
を必要としない。枠体の４個のコーナ個所のうち、１個
所では、結合材ｉｏの両端部を互いに突き合わせて、ド
アサツシ部１゜ａの端部どうしを溶着もしくは接着剤の
接着により接合する。■ Is the binding material 10 bent in this way to form a quadrilateral frame? At each bending point, the door sash part 1
0a are continuous with each other at the connecting portion 10c, so no special welding is required. At one of the four corner locations of the frame, both ends of the binding material io are butted against each other, and the ends of the door sash portion 1°a are joined by welding or adhesive bonding.
■ 枠体の前面部にドアプレート１２を当てがい、第６
図に示すように、ドアプレートＩ２の左右および上下の
縁部１２ａを対応する辺のドアサツシ部１０ａの嵌入溝
ｆｏｅに嵌入させる。■ Place the door plate 12 on the front part of the frame, and
As shown in the figure, the left and right and upper and lower edges 12a of the door plate I2 are fitted into the fitting groove foe of the door sash portion 10a on the corresponding side.
■ この後、ドアプレート１２の背面側に発泡材１５を
充填して発泡させるとともに、その背面側に図示省略し
た背面板を当てがい、この背面板をビス等の取符具でド
アサツシ部１０ａの張り出し部分１０ｆに取り付ける。■ After this, the back side of the door plate 12 is filled with foaming material 15 and foamed, and a back plate (not shown) is applied to the back side of the door plate 12, and this back plate is attached to the door sash part 10a with a fixing tool such as a screw. Attach it to the overhanging part 10f.
なお、ドアプレート１２の前面には、通常、カバーパネ
ルが張設されるが、説明を簡単にするため、図示してい
ない。Note that a cover panel is normally provided on the front surface of the door plate 12, but it is not shown in the drawings to simplify the explanation.
このようにして、第１図に示したドアが得られる。In this way, the door shown in FIG. 1 is obtained.
〈発明の効果〉
以上のように、本発明によれば、ドアサツシ部とパッキ
ング部とが一体となった結合材でドアの四辺を囲む枠体
を構成するので、部品点数が減少し、ドアサツシにパッ
キングを取り付ける等の部品相互の取付工程が不要とな
り、生産性の向上を図りうる。<Effects of the Invention> As described above, according to the present invention, the door sash section and the packing section are integrated to form a frame that surrounds the four sides of the door, so the number of parts is reduced and the door sash section is The process of attaching parts to each other, such as attaching packing, becomes unnecessary, and productivity can be improved.
また、四辺一体化方式により、ドアの縦辺と横辺とが連
続した結合材で枠体を構成するものでありながら、結合
材のパッキング部どうしが容易かつ確実に溶着されるか
ら、複雑な製造装置や工程を介在させることなく、密封
性に優れたドアを製造することができる。In addition, with the four-sided integration method, even though the vertical and horizontal sides of the door are made of continuous bonding material, the packing parts of the bonding material can be easily and reliably welded together, eliminating the need for complicated Doors with excellent sealing performance can be manufactured without intervening manufacturing equipment or processes.
第１図は本発明の製造方法により得られるドアの外観斜
視図、第２図ないし第６図は本発明製造方法の各工程を
示すもので、第２図は結合材の平面図、第３図は第２図
のＩｔ−ＩＩＩ線に沿った拡大断面図、第４図は結合材
の折曲個所の溶着前の状態を示す平面図、第５図はその
溶着後の状態を示す平面図、第６図は組み立て後のドア
の拡大断面図である。
第７図ないし第１０図は従来例に係り、第７図は従来の
ドアの外観斜視図、第８図は第７図の■−■線に沿った
拡大断面図、第９図は、四辺分割方式により枠体を構成
する結合材の平面図、第１θ図は四辺一体力式により枠
体を構成する結合材の平面図である
１０・・・結合材、１０ａ・・・ドアサツシ部、１０ｂ
・・・パッキング部、１０ｃ・・・連結部、１１・・・
切り込み、１２・ ドアプレート、１３・・・軟質樹脂
シート。FIG. 1 is an external perspective view of a door obtained by the manufacturing method of the present invention, FIGS. 2 to 6 show each step of the manufacturing method of the present invention, and FIG. The figure is an enlarged sectional view taken along the It-III line in Figure 2, Figure 4 is a plan view showing the state of the bent portion of the binding material before welding, and Figure 5 is a plan view showing the state after welding. , FIG. 6 is an enlarged sectional view of the door after assembly. Figures 7 to 10 relate to conventional examples, where Figure 7 is an external perspective view of a conventional door, Figure 8 is an enlarged sectional view taken along the line ■-■ in Figure 7, and Figure 9 is a four-sided view. Figure 1θ is a plan view of the binding material that constitutes the frame by the division method, and Figure 1θ is a plan view of the binding material that constitutes the frame by the four-sided integral force method.
...Packing part, 10c...Connection part, 11...
Notch, 12. Door plate, 13... Soft resin sheet.
Claims (1)
合材を所要の長さ分、用意する工程と、この結合材のコ
ーナとなる個所に、ドアサッシ部の一部を連結部として
残して折曲用切り込みを形成する工程と、前記切り込み
個所で結合材を折曲してドアの四辺を囲む枠体を構成す
る工程とを含み、結合材で枠体を構成するに当たって、
結合材の折曲個所でパッキング部の端部間に軟質樹脂シ
ートを介装し、この軟質樹脂シートを溶着代としてパッ
キング部の端部どうしを溶着する、 ことを特徴とする冷蔵庫等のドアの製造方法。(1) The process of preparing a required length of binding material that integrates the door sash part and the packing part, and folding the binding material, leaving a part of the door sash part as a connecting part at the corner of this binding material. In constructing the frame with the binding material, the method includes a step of forming a curved cut, and a step of bending the binding material at the cut location to configure a frame surrounding the four sides of the door.
A door for a refrigerator, etc., characterized in that a soft resin sheet is interposed between the ends of the packing part at the bending point of the binding material, and the ends of the packing part are welded together using the soft resin sheet as a welding margin. Production method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13105688A JPH01300185A (en) | 1988-05-27 | 1988-05-27 | Manufacture of door for refrigerator and the like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13105688A JPH01300185A (en) | 1988-05-27 | 1988-05-27 | Manufacture of door for refrigerator and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01300185A true JPH01300185A (en) | 1989-12-04 |
Family
ID=15048981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13105688A Pending JPH01300185A (en) | 1988-05-27 | 1988-05-27 | Manufacture of door for refrigerator and the like |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01300185A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015031446A (en) * | 2013-08-02 | 2015-02-16 | 日立アプライアンス株式会社 | Cold storage |
| CN112091461A (en) * | 2020-08-12 | 2020-12-18 | 星崎电机（苏州）有限公司 | Appearance improvement welding method for welding structure of resin plate and metal frame |
-
1988
- 1988-05-27 JP JP13105688A patent/JPH01300185A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015031446A (en) * | 2013-08-02 | 2015-02-16 | 日立アプライアンス株式会社 | Cold storage |
| CN112091461A (en) * | 2020-08-12 | 2020-12-18 | 星崎电机（苏州）有限公司 | Appearance improvement welding method for welding structure of resin plate and metal frame |
| CN112091461B (en) * | 2020-08-12 | 2022-05-17 | 星崎电机（苏州）有限公司 | Appearance improvement welding method for welding structure of resin plate and metal frame |
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