JP2548339Y2 - Heating equipment - Google Patents
Heating equipmentInfo
- Publication number
- JP2548339Y2 JP2548339Y2 JP1990038984U JP3898490U JP2548339Y2 JP 2548339 Y2 JP2548339 Y2 JP 2548339Y2 JP 1990038984 U JP1990038984 U JP 1990038984U JP 3898490 U JP3898490 U JP 3898490U JP 2548339 Y2 JP2548339 Y2 JP 2548339Y2
- Authority
- JP
- Japan
- Prior art keywords
- groove
- heat insulating
- insulating plate
- heating
- mounting groove
- 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 - Fee Related
Links
Landscapes
- Resistance Heating (AREA)
Description
【考案の詳細な説明】 ［産業上の利用分野］ 本考案は、主として調理器および乾燥機などに用いら
れる加熱装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a heating device mainly used for cookers and dryers.
［従来の技術］ 従来より、加熱装置として、第４図に示すように、電
気絶縁性の断熱板101に溝部102を形成し、この溝部102
の幅とほぼ同じ外径を有するほぼ円筒状に巻回した導電
性の発熱線状体103を挿入し、かつ、この発熱線状体103
を接着剤により断熱板101に接着してなるものが知られ
ている。[Prior Art] Conventionally, as a heating device, as shown in FIG. 4, a groove 102 is formed in an electrically insulating heat insulating plate 101, and this groove 102
A conductive heating wire 103 wound in a substantially cylindrical shape having an outer diameter substantially the same as the width of the heating wire 103 is inserted, and
Is known which is bonded to a heat insulating plate 101 with an adhesive.
また、加熱装置として、第５図に示すように、電気絶
縁性の断熱板101にほぼ円筒状に巻回した導電性の発熱
線状体103を載置し、かつ、この発熱線状体103を複数の
ピン104で断熱板101に固定してなるものが知られてい
る。As a heating device, as shown in FIG. 5, a conductive heating linear body 103 wound in a substantially cylindrical shape on an electrically insulating heat insulating plate 101 is placed. Is fixed to the heat insulating plate 101 with a plurality of pins 104.
［考案が解決しようとする課題］ しかし、前者は、発熱線状体103が断熱板101の溝部10
2に密接に嵌合されていると共に断熱板101に対する発熱
線状体103の接触面積が大きいから、加熱効率が悪くな
るという問題がある。[Problem to be Solved by the Invention] However, the former is based on the fact that the heating linear body 103 is
2 and the contact area of the heating linear body 103 with the heat insulating plate 101 is large, so that there is a problem that the heating efficiency is deteriorated.
また、後者は、加熱効率がよいが、発熱線状体103の
固定強度が小さいという問題がある。The latter has a high heating efficiency, but has a problem that the fixing strength of the heating linear body 103 is low.
さらに、両者とも、発熱線状体103が固定しにくいと
共に製造工数が多いという問題がある。Furthermore, both have the problem that the heating linear body 103 is difficult to fix and the number of manufacturing steps is large.
本考案の課題は、加熱効率が良く、発熱線状体が固定
しやすく、その固定強度も大きく、かつ、製造工数を少
なくすることができる加熱装置を提供することにある。An object of the present invention is to provide a heating device which has good heating efficiency, can easily fix a heating linear body, has high fixing strength, and can reduce the number of manufacturing steps.
［課題を解決するための手段］ 本考案によれば、電気絶縁性の断熱板に溝部を形成
し、この溝部の幅よりも外径が小さいほぼ円筒状に巻回
した導電性の発熱線状体を前記溝部に配設し、かつ前記
断熱板に所定間隔をおいて固定した電気絶縁性の複数の
保持部材によって前記発熱線状体を前記溝部の底部に押
圧して固定した加熱装置において、前記断熱板の外周縁
には輪状突片が形成されており、前記保持部材の両端部
には凹部が形成されており、前記輪状突片には前記凹部
に対応した部分に取付溝部が形成されており、該取付溝
部の底部には保持突片が形成されており、前記保持部材
の前記両端部が前記取付溝部に嵌入されていると共に前
記凹部が前記保持突片に嵌合している状態で固定されて
いることを特徴とする加熱装置が得られる。[Means for Solving the Problems] According to the present invention, a groove is formed in an electrically insulating heat insulating plate, and a conductive heating wire wound in a substantially cylindrical shape having an outer diameter smaller than the width of the groove. A heating device in which a body is disposed in the groove, and the heating linear member is pressed against the bottom of the groove and fixed by a plurality of electrically insulating holding members fixed to the heat insulating plate at predetermined intervals, A ring-shaped protrusion is formed on an outer peripheral edge of the heat insulating plate, a concave portion is formed on both ends of the holding member, and a mounting groove is formed on a portion corresponding to the concave portion on the ring-shaped protrusion. A holding projection is formed at the bottom of the mounting groove, and both ends of the holding member are fitted into the mounting groove, and the recess is fitted to the holding projection. And a heating device characterized by being fixed at.
［実施例］ 次に、本考案の実施例を図面に基づいて詳細に説明す
る。Next, an embodiment of the present invention will be described in detail with reference to the drawings.
第１図において符号１は円盤状に形成された電気絶縁
性の断熱板を示している。この断熱板１の外周縁には輪
状突片11が形成されている。また、断熱板１には第２図
に示すように溝部12が形成されている。この溝部12に
は、これの幅より小さい外径を有するほぼ円筒状に巻回
した導電性の発熱線状体２が配設されている。In FIG. 1, reference numeral 1 denotes an electrically insulating heat insulating plate formed in a disk shape. An annular protruding piece 11 is formed on the outer peripheral edge of the heat insulating plate 1. The heat insulating plate 1 has a groove 12 as shown in FIG. The groove 12 is provided with a conductive heating wire 2 wound in a substantially cylindrical shape having an outer diameter smaller than the width of the groove.
前記断熱板１には、複数の保持部材３が所定間隔をお
いて溝部12の開口側に配設されている。これらの保持部
材３の両端部には凹部31が形成されている。In the heat insulating plate 1, a plurality of holding members 3 are arranged at predetermined intervals on the opening side of the groove portion 12. Recesses 31 are formed at both ends of these holding members 3.
一方、これらの保持部材３の両端部に対応した断熱板
１の輪状突片11には、取付溝部11aが形成されていると
共にこれらの取付溝部11aの底部に保持突片11bが形成さ
れている。On the other hand, mounting grooves 11a are formed on the annular protrusions 11 of the heat insulating plate 1 corresponding to both ends of the holding members 3, and holding protrusions 11b are formed on the bottoms of the mounting grooves 11a. .
前記保持部材３の両端部を輪状突片11の取付溝部11a
に嵌入すると共に保持部材３の凹部31を保持突片11bに
密接に嵌合することにより保持部材３が輪状突片11に固
定されている。なお、保持部材３は、捩子などの固定具
により断熱板１に固定してもよい。Attach both ends of the holding member 3 to the mounting groove 11a of the annular protruding piece 11.
The holding member 3 is fixed to the annular protrusion 11 by fitting the recess 31 of the holding member 3 into the holding protrusion 11b closely. Note that the holding member 3 may be fixed to the heat insulating plate 1 by a fixing tool such as a screw.
これらの保持部材３は、溝部12の開口している側に配
置されていて、発熱線状体２を溝部12の底部に押圧して
断熱板１に固定している。発熱線状体２には、給電回路
（図示せず）により電流を供給することができるように
なっている。発熱線状体２は、電流が供給されるとジュ
ール熱を発生する。These holding members 3 are arranged on the opening side of the groove 12, and press the heating linear body 2 against the bottom of the groove 12 to fix the same to the heat insulating plate 1. A current can be supplied to the heating wire 2 by a power supply circuit (not shown). The heating linear body 2 generates Joule heat when an electric current is supplied.
前記溝部12の幅が発熱線状体２の外径より大きいか
ら、発熱線状体２の断熱板１に対する接触面積が小さい
ので、加熱効率が良い。保持部材３が断熱板１の溝部12
の底面に発熱線状体２を押圧することにより断熱板１に
固定しているから、発熱線状体２を固定しやすく、その
固定強度も大きく、かつ、製造工数を少なくすることが
できる。Since the width of the groove portion 12 is larger than the outer diameter of the heating linear body 2, the contact area of the heating linear body 2 with the heat insulating plate 1 is small, so that the heating efficiency is good. The holding member 3 is a groove 12 of the heat insulating plate 1.
Since the heat-generating linear body 2 is fixed to the heat insulating plate 1 by pressing the heat-generating linear body 2 on the bottom surface, the heat-generating linear body 2 can be easily fixed, its fixing strength is large, and the number of manufacturing steps can be reduced.
［考案の効果］ 本考案の加熱装置は、加熱効率が良く、発熱線状体が
固定しやすく、その固定強度も大きく、かつ、製造工数
が少ない。[Effects of the Invention] The heating device of the present invention has good heating efficiency, is easy to fix the heating linear body, has a large fixing strength, and has a small number of manufacturing steps.
また、保持部材の両端部は取付溝部に嵌入されている
と共に凹部が保持突片に嵌合している状態で固定されて
いるので輪状突片の円周方向および径方向へ保持部材が
動いてしまうことがなく、確実に発熱線状体を断熱板に
固定できる。In addition, since both ends of the holding member are fitted in the mounting grooves and the recesses are fixed in a state of being fitted to the holding protrusions, the holding member moves in the circumferential direction and the radial direction of the ring-shaped protrusion. The heating linear member can be securely fixed to the heat insulating plate without being lost.
そして、保持部材の両端部を取付溝部の上方から取付
溝部へ押し込むだけで断熱板に固定できるので作業性に
優れた加熱装置が得られる。Then, since the holding member can be fixed to the heat insulating plate simply by pushing both ends of the holding member from above the mounting groove into the mounting groove, a heating device excellent in workability can be obtained.
第１図は本考案の実施例を示す平面図、第２図は同上実
施例を第１図のＡ−Ａ線で切断して示す一部切欠断面
図、第３図は同上実施例を第１図のＢ−Ｂ線で切断して
示す一部切欠断面図、第４図および第５図はそれぞれ従
来の加熱装置の要部を示す一部切欠断面図である。 １…断熱板、12…溝部、２…発熱線状体、３…保持部
材。FIG. 1 is a plan view showing an embodiment of the present invention, FIG. 2 is a partially cutaway sectional view of the embodiment taken along line AA in FIG. 1, and FIG. FIG. 1 is a partially cutaway sectional view cut along the line BB, and FIGS. 4 and 5 are partially cutaway sectional views each showing a main part of a conventional heating device. DESCRIPTION OF SYMBOLS 1 ... Heat insulation board, 12 ... Groove part, 2 ... Heat generation linear body, 3 ... Holding member.
Claims (1)
溝部の幅よりも外径が小さいほぼ円筒状に巻回した導電
性の発熱線状体を前記溝部に配設し、かつ前記断熱板に
所定間隔をおいて固定した電気絶縁性の複数の保持部材
によって前記発熱線状体を前記溝部の底部に押圧して固
定した加熱装置において、前記断熱板の外周縁には輪状
突片が形成されており、前記保持部材の両端部には凹部
が形成されており、前記輪状突片には前記凹部に対応し
た部分に取付溝部が形成されており、該取付溝部の底部
には保持突片が形成されており、前記保持部材の前記両
端部が前記取付溝部に嵌入されていると共に前記凹部が
前記保持突片に嵌合している状態で固定されていること
を特徴とする加熱装置。A groove is formed in an electrically insulating heat insulating plate, and a conductive heating linear body wound in a substantially cylindrical shape having an outer diameter smaller than the width of the groove is disposed in the groove. In a heating device in which the heating linear member is pressed against the bottom of the groove by a plurality of electrically insulating holding members fixed at predetermined intervals to the heat insulating plate and fixed, a ring-shaped protrusion is formed on an outer peripheral edge of the heat insulating plate. A piece is formed, a concave portion is formed at both ends of the holding member, a mounting groove is formed at a portion corresponding to the concave portion at the annular protrusion, and a bottom portion of the mounting groove is formed at a bottom portion of the mounting groove. A holding projection is formed, and both ends of the holding member are fitted into the mounting groove, and the recess is fixed in a state fitted to the holding projection. Heating equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990038984U JP2548339Y2 (en) | 1990-04-13 | 1990-04-13 | Heating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990038984U JP2548339Y2 (en) | 1990-04-13 | 1990-04-13 | Heating equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03130190U JPH03130190U (en) | 1991-12-26 |
| JP2548339Y2 true JP2548339Y2 (en) | 1997-09-17 |
Family
ID=31547478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990038984U Expired - Fee Related JP2548339Y2 (en) | 1990-04-13 | 1990-04-13 | Heating equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2548339Y2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1579729A (en) * | 1976-09-30 | 1980-11-26 | Micropore International Ltd | Electrical heating units |
| JPS6067687U (en) * | 1983-10-17 | 1985-05-14 | 南部 勇輔 | far infrared heater |
-
1990
- 1990-04-13 JP JP1990038984U patent/JP2548339Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03130190U (en) | 1991-12-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |