JPS63143780A - Electric heating unit - Google Patents
Electric heating unitInfo
- Publication number
- JPS63143780A JPS63143780A JP29103686A JP29103686A JPS63143780A JP S63143780 A JPS63143780 A JP S63143780A JP 29103686 A JP29103686 A JP 29103686A JP 29103686 A JP29103686 A JP 29103686A JP S63143780 A JPS63143780 A JP S63143780A
- Authority
- JP
- Japan
- Prior art keywords
- top plate
- storage case
- heat insulating
- electric heating
- heating unit
- 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.)
- Granted
Links
- 238000005485 electric heating Methods 0.000 title claims description 12
- 210000000078 claw Anatomy 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000238413 Octopus Species 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、一般家庭において、主に調理用として使用さ
れる電熱ユニットに関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an electric heating unit used mainly for cooking in ordinary households.
従来の技術
従来この種の電熱ユニットは第３図に示すように、有底
円筒状の収納ケース１に、シリカあるいはアルミナ繊維
を主成分とする断熱材からなる断熱基板２を収納し、こ
の断熱基板２に設けた溝３に、螺線状に巻かれた電熱線
４を収納し、この電熱線４によって天板５を加熱してい
た。なお前記収納ケース１と天板６は、天板５の側面で
収納ケース１の外側面で挟持することで一体に構成して
いた。BACKGROUND OF THE INVENTION Conventionally, this type of electric heating unit, as shown in FIG. A spirally wound heating wire 4 was housed in a groove 3 provided in a substrate 2, and a top plate 5 was heated by this heating wire 4. Note that the storage case 1 and the top plate 6 were integrally formed by being sandwiched between the side surfaces of the top plate 5 and the outer surface of the storage case 1.
発明が解決しようとする問題点
しかしながら上記従来の構成では、電熱線４から発生す
る熱量が大きくなると、前記収納ケース１および天板５
の断熱基板２に対向もしくは当接する内面が高温となり
、これらの内面が伸びるのに対して外面の伸びが遅れる
ためにそりが発生し、このそりによって被加熱物までの
距離の変化が生じ、その結果天板上の温度むらを発生さ
せ調理上不都合があった。Problems to be Solved by the Invention However, in the conventional configuration described above, when the amount of heat generated from the heating wire 4 increases, the storage case 1 and the top plate 5
The inner surfaces facing or in contact with the heat insulating substrate 2 become hot, and while these inner surfaces expand, the outer surfaces do not expand as much, causing warping. This warping causes a change in the distance to the heated object, and As a result, temperature unevenness occurred on the top plate, which was inconvenient for cooking.
本発明は上記従来の問題点を解決するもので、電熱線の
発熱量が犬きくなっても、天板および収納ケースにそり
を生ずることのない、製品信頼性の高い電熱ユニットを
提供することを目的とするものである。The present invention solves the above-mentioned conventional problems, and provides an electric heating unit with high product reliability that does not cause warping on the top plate and storage case even if the heating wire generates a large amount of heat. The purpose is to
問題点を解決するための手段
上記目的を達成するため、本発明の電熱ユニットは、金
属板からなる有底筒状の天板と、螺線状に巻かれ前記天
板を加熱する電熱線と、この電熱線全配設させる溝を有
する断熱基板と、この断熱基板を収納する有底筒状の収
納ケースとヲ備え、前記天板と断熱基板と収納ケースの
中心部にそれぞれ孔を設け、これらの孔に固定部材を嵌
通させて前記天板と断熱基板と収納ケースとを一体に固
定するとともに、前記天板と収納ケースは、天板の内側
面に設けた複数個の係止爪あるいは被係止部と、前記収
納ケースの外側面に設けた前記係止爪あるいは被係止部
に対応する複数個の被係止部あるいは係止爪とを係合さ
せることによって一体に構成したものである。Means for Solving the Problems In order to achieve the above object, the electric heating unit of the present invention includes a bottomed cylindrical top plate made of a metal plate, and a heating wire wound in a spiral shape to heat the top plate. , a heat insulating board having a groove for arranging all the heating wires, and a cylindrical storage case with a bottom for storing the heat insulating board, with holes provided in the center of each of the top plate, the heat insulating board and the storage case, A fixing member is fitted into these holes to fix the top plate, the heat insulating board, and the storage case together, and the top plate and the storage case are connected to each other by a plurality of locking claws provided on the inner surface of the top plate. Alternatively, the locked part and the locking claw provided on the outer surface of the storage case or a plurality of locked parts or locking claws corresponding to the locked part may be engaged with each other to form an integral structure. It is something.
作用
上記構成によれば、電熱ユニットの中心部は固定部材に
よって一体に固定され、かつ周縁部は係止爪と被係止部
を係合させることによって一体に固定されるために、熱
フ張；（よる天板および収納ケースの変形は抑１１１さ
れるものである。Effects According to the above configuration, the central part of the electric heating unit is fixed together by the fixing member, and the peripheral part is fixed together by engaging the locking pawl with the locked part, so that the thermal expansion (Deformation of the top plate and storage case due to this is suppressed.
実施例
以下、本発明の具体的な実施例を第１図〜第２図にもと
づいて説明する。EXAMPLES Hereinafter, specific examples of the present invention will be described based on FIGS. 1 and 2.
図において、６は圧延鋼板（ｓ ｐ ｃ ｃ ）からな
る有底円筒状の天板で、この天板６の被加熱物頷１１に
は放射特性に優れた遠赤外線物質よりなる放射層が、ま
た反対側には、耐熱性およびｉ！ｊｔ熱衝撃性に浸れた
セラミックファイバーを含有する耐熱ホーロ物質からな
る絶縁層がそれぞれ形成されている。この天板６の下方
に配設された断熱基板７は／リカおよびアルミナ繊維を
主成分とする１ｉＩＦｌ熱温度１２００°Ｃ以上の断熱
材を真空成形したもので、この断熱基板７には螺旋状に
巻かれた電熱線８を配設する溝７ａが設けられている。In the figure, reference numeral 6 denotes a bottomed cylindrical top plate made of rolled steel plate (s p c c ), and a heated object nozzle 11 of this top plate 6 has a radiation layer made of far-infrared material with excellent radiation characteristics. Also on the other side are heat resistance and i! Each insulating layer is formed of a heat-resistant hollow material containing ceramic fibers impregnated with thermal shock resistance. The heat insulating board 7 disposed below the top plate 6 is vacuum-formed from a 1iIFl heat insulating material whose main components are Rica and alumina fibers and has a thermal temperature of 1200°C or more. A groove 7a is provided in which the heating wire 8 wound around is disposed.
前記断熱基板７は圧延鋼板（ＳＰＣＧ） よりなる収
納ケース９に収納されている。この収納ケース９は天板
６の内径より小さな外径を有し、かつ天板６の内側に位
置させている。The heat insulating board 7 is housed in a housing case 9 made of rolled steel plate (SPCG). This storage case 9 has an outer diameter smaller than the inner diameter of the top plate 6 and is located inside the top plate 6.
前記収納ケース９の外側面には複数個の係止爪１０Ｊ
１０ｂ、１０Ｃ，１０ｄが設けられ、かつ前記天板６の
側面にこの係止爪１０ａ、１０ｂ、 １ｏｅ。A plurality of locking claws 10J are provided on the outer surface of the storage case 9.
10b, 10C, and 10d, and locking claws 10a, 10b, and 1oe are provided on the side surface of the top plate 6.
１ｏｄにそれぞれ対応する被係止部１１Ｊ１１ｂ。The locked portions 11J11b respectively correspond to 1od.
１１Ｃ，１１ｄが設けられている。そして前記天板６、
断熱基板７および収納ケース９の中心部には、それぞれ
孔１２，１３．１４が設けられている。11C and 11d are provided. and the top plate 6,
Holes 12, 13, and 14 are provided in the center of the heat insulating board 7 and storage case 9, respectively.
これらの孔１２，１３．１４の径は、断熱基板７に設け
られた孔１３の径が最も径大であり、天板６と収納ケー
ス９に設けられた孔１２．１４が同径に構成され、前記
断熱基板アの孔１３において天板６に設けたフランジ６
ａと収納ケース９に設けたフランジ９ａが当接されてい
る。そして前記断熱基板７を収納した収納ケース９に、
係止爪１０＆〜１０ｄと被係止部１１！Ｌ〜１１ｄをそ
れぞれ係合させて天板６を装着させて、かつ前記孔１２
゜１３．１４に固定リング１５を嵌通させて、その両端
部を・・トメと同様にしてかしめて、前記天板θ、断熱
基板７および収納ケース９を一体に購呟する。１６は前
記電熱線８に電気的に接続された電源端子、１７は絶縁
碍子である。Regarding the diameters of these holes 12, 13, 14, the diameter of the hole 13 provided in the heat insulating board 7 is the largest, and the holes 12, 14 provided in the top plate 6 and the storage case 9 are configured to have the same diameter. and a flange 6 provided on the top plate 6 at the hole 13 of the heat insulating board A.
a and a flange 9a provided on the storage case 9 are in contact with each other. Then, in the storage case 9 that houses the heat insulating board 7,
Locking claws 10&~10d and locked portion 11! L to 11d are respectively engaged to attach the top plate 6, and the holes 12
13. Fit the fixing ring 15 through the fixing ring 14, caulk its both ends in the same manner as the tabs, and purchase the top plate θ, the heat insulating board 7, and the storage case 9 as one unit. 16 is a power terminal electrically connected to the heating wire 8, and 17 is an insulator.
上記実施例によれば、電熱ユニットの周縁部が、係止爪
１０２Ｌ〜１０ｄと被係止部１１２Ｌ〜１１ｄを係合す
ることによって一体に固定され、そして中心部が天板６
、断熱基板７および収納ケース９にそれぞれ設けた孔１
２，１３．１４に固定リング１６を嵌通させて、この固
定リング１５の両端部をかしめることによって固定され
るために、熱膨張により天板６と収納ケース９の変形が
抑制され、その結果天板６上の温度むらを発生すること
のない製品吋頓性の高いものを実現できる。According to the above embodiment, the peripheral portion of the electric heating unit is fixed integrally by engaging the locking claws 102L to 10d and the locked portions 112L to 11d, and the center portion is fixed to the top plate 6.
, holes 1 provided in the heat insulating board 7 and the storage case 9, respectively.
2, 13, 14 and fixed by caulking both ends of the fixing ring 15, the deformation of the top plate 6 and the storage case 9 due to thermal expansion is suppressed, and the As a result, it is possible to realize a product with high stability without causing temperature unevenness on the top plate 6.
なお本実施例においては、収納ケース９に係止爪１０ａ
〜１０ｄを設け、天板６に被係止部１１＆〜１１ｄを設
けた構成について説明したが、収納ケース９に被係止部
を設け、天板６に係止爪を設けた構成とした場合にも同
様の作用効果を奏することができる。また固定部材とし
て固定リング１６金柑いたがリベットを用いても良い。In this embodiment, the storage case 9 has a locking claw 10a.
10d and the top plate 6 is provided with the locked portions 11 & ~11d, but in the case where the storage case 9 is provided with the locked portions and the top plate 6 is provided with a locking claw. Similar effects can also be achieved. Further, although the fixing ring 16 is used as a fixing member, rivets may also be used.
発明の効果
上記実施例の説明から明らかなように本発明によれば、
天板の側面に複数個の係止爪あるいｌ／ｉ被係被部止部
け、そしてこの係止爪あるいは被係止部に対応する被係
止部あるいは係止爪を収納ケースの外側面に設けること
によって、電熱ユニットの周縁部を一体に固定し、そし
て、天板と断熱基板と収納ケースの中心部にそれぞれ孔
を設け、これらの孔に固定部材を嵌通させて、そしてこ
の固定部材で一体に固定しているために、電熱線の発熱
による熱膨張にともなう天板および収蛸ケースの変形が
抑制され、そして天板の上面を平坦に保つことができる
。その結果、天板からの発熱量を均一化し、調理物への
安定した加熱が実現でき、製品信頼性を高めることが可
能となる。Effects of the Invention As is clear from the description of the above embodiments, according to the present invention,
There are a plurality of locking claws or l/i engaged part stoppers on the side of the top plate, and the corresponding engaged parts or locking claws are attached to the outside of the storage case. By providing it on the side, the peripheral edge of the electric heating unit is fixed together, and holes are provided in the center of the top plate, insulation board, and storage case, and fixing members are fitted into these holes. Since they are fixed together with the fixing member, deformation of the top plate and the octopus case due to thermal expansion due to heat generated by the heating wires is suppressed, and the top surface of the top plate can be kept flat. As a result, the amount of heat generated from the top plate can be made uniform, stable heating of the food to be cooked can be achieved, and product reliability can be improved.
第１図は本発明の一実施例において電熱ユニットを分解
して示した斜視図、第２図は同電熱ユニットの縦断面図
、第３図は従来の電熱ユニットの縦断面図である。
６・・ ・天板、７・・・・断熱基板、８・・・・電熱
線。
９−−−−・収納ケース、１０ｆＬ、１０ｂ、１００，
１０ｄ・・・・係止爪、１１２Ｌ、１１ｂ、１１０，１
１ｄ・・・・被係止部、１２，１３．１４・・・・・孔
、１５・・・・・・固定リングっ
代理人の氏名 弁理士 中 尾 敏 男 ほか１名５−
一（孫
７″′−腐熟基板
δ−１懇玖
９−１欠ηクース
第２図
第３図FIG. 1 is an exploded perspective view of an electric heating unit according to an embodiment of the present invention, FIG. 2 is a vertical cross-sectional view of the same electric heating unit, and FIG. 3 is a vertical cross-sectional view of a conventional electric heating unit. 6... Top plate, 7... Heat insulation board, 8... Heating wire. 9----・Storage case, 10fL, 10b, 100,
10d...Latching claw, 112L, 11b, 110,1
1d... Locked part, 12, 13. 14... Hole, 15... Fixed ring Name of agent Patent attorney Toshio Nakao and one other person 5-
1 (Grandchild 7″′ - Mature substrate δ-1 9-1 missing η Kuss Fig. 2 Fig. 3
Claims (1)
天板を加熱する電熱線と、この電熱線を配設させる溝を
有する断熱基板と、この断熱基板を収納する有底筒状の
収納ケースとを備え、前記天板と断熱基板と収納ケース
の中心部にそれぞれ孔を設け、これらの孔に固定部材を
嵌通させて前記天板と断熱基板と収納ケースを一体に固
定するとともに、前記天板と収納ケースは、天板の内側
面に設けた複数個の係止爪あるいは被係止部と、前記収
納ケースの外側面に設けた前記係止爪あるいは被係止部
に対応する複数個の被係止部あるいは係止爪とを係合さ
せることによって一体に構成した電熱ユニット。A cylindrical top plate with a bottom made of a metal plate, a heating wire wound in a spiral shape to heat the top plate, a heat insulating board having a groove in which the heating wire is disposed, and an enclosure for storing the heat insulating board. A bottom cylindrical storage case is provided, holes are provided in the center of the top plate, the insulation board, and the storage case, and fixing members are fitted into these holes to integrate the top plate, insulation board, and storage case. The top plate and the storage case have a plurality of locking claws or locked parts provided on the inner surface of the top plate, and a plurality of locking claws or locked parts provided on the outer surface of the storage case. An electric heating unit that is integrally constructed by engaging a plurality of locked parts or locking claws corresponding to a stop part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61291036A JPH0795469B2 (en) | 1986-12-05 | 1986-12-05 | Electric heating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61291036A JPH0795469B2 (en) | 1986-12-05 | 1986-12-05 | Electric heating unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63143780A true JPS63143780A (en) | 1988-06-16 |
| JPH0795469B2 JPH0795469B2 (en) | 1995-10-11 |
Family
ID=17763611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61291036A Expired - Lifetime JPH0795469B2 (en) | 1986-12-05 | 1986-12-05 | Electric heating unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0795469B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6082984A (en) * | 1998-03-18 | 2000-07-04 | Denso Corporation | Fluid pump having pressure pulsation reducing passage |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4324237Y1 (en) * | 1964-09-22 | 1968-10-12 | ||
| JPS61271774A (en) * | 1985-05-27 | 1986-12-02 | 松下電器産業株式会社 | Heater unit |
-
1986
- 1986-12-05 JP JP61291036A patent/JPH0795469B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4324237Y1 (en) * | 1964-09-22 | 1968-10-12 | ||
| JPS61271774A (en) * | 1985-05-27 | 1986-12-02 | 松下電器産業株式会社 | Heater unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6082984A (en) * | 1998-03-18 | 2000-07-04 | Denso Corporation | Fluid pump having pressure pulsation reducing passage |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0795469B2 (en) | 1995-10-11 |
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