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JP3697736B2 - Induction heating cooker - Google Patents
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JP3697736B2 - Induction heating cooker - Google Patents

Induction heating cooker Download PDF

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Publication number
JP3697736B2
JP3697736B2 JP5441995A JP5441995A JP3697736B2 JP 3697736 B2 JP3697736 B2 JP 3697736B2 JP 5441995 A JP5441995 A JP 5441995A JP 5441995 A JP5441995 A JP 5441995A JP 3697736 B2 JP3697736 B2 JP 3697736B2
Authority
JP
Japan
Prior art keywords
top plate
frame
induction heating
outer shell
heating cooker
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
Application number
JP5441995A
Other languages
Japanese (ja)
Other versions
JPH08250269A (en
Inventor
和一 岡田
利明 岩井
哲郎 青木
秀和 鈴木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP5441995A priority Critical patent/JP3697736B2/en
Publication of JPH08250269A publication Critical patent/JPH08250269A/en
Application granted granted Critical
Publication of JP3697736B2 publication Critical patent/JP3697736B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

【0001】
【産業上の利用分野】
本発明は誘導加熱調理器に関するものである。
【0002】
【従来の技術】
近年、誘導加熱調理器は安全性が高い点に注目が高まっているが、さらに安全性や使い勝手を向上させることも望まれている。
【0003】
以下、従来の誘導加熱調理器について図14に基づき説明する。図において、4は天板1上に載置された鍋であり、加熱コイル3により磁気的に誘導加熱される。また、天板1は外郭2により支持されている。
【0004】
【発明が解決しようとする課題】
しかし、上記の従来構成では、次のような問題があった。すなわち、天板1の上面は外郭2の上面よりも高い位置にあり、かつ上面が平面で構成されるため、調理時に鍋4の中の調理物を混ぜるなどして鍋4に力が加わると、天板1上で鍋4が天板1上から滑り落ちる場合があった。
【0005】
本発明は、上記課題を解決するもので、第の目的は天板の上で鍋が滑り落ちないようにするとともに、そのための構成部品の傷付きを抑え耐久性を向上することにある。
【0006】
【課題を解決するための手段】
また、上記第の目的を達成するために、本発明は天板と、この天板を支持する外郭と、前記天板外周部に載置する枠体とを備え、前記外郭には前記天板の外周部に凹部を備え、前記枠体は少なくとも下端部の内寸を前記天板の外寸より大とし、前記外郭凹部を閉路となった溝とし前記枠体下端部を係合して、前記枠体の内側に前記凹部による溝が形成されてなる、ものである。
【0007】
【実施例】
(実施例1)
以下本発明の第1の実施例について、図1〜図2を参照しながら説明する。
【0008】
図において、11は結晶化ガラスなど無機材料からなる天板、12は天板11を支持する樹脂製の調理器本体の外郭、13は調理器本体と着脱自在で外郭12の上に載せて使用する樹脂製の枠体であり、14は加熱コイル、15は天板11に載せて調理する市販の鍋である。そして、枠体13の形状は天板外形と略同形状で、縦・横の内寸A・Bは天板11の縦・横の外寸C・Dよりも大きくしている。また、外郭12の上面は天板11の上面よりも低くし、枠体13を外郭12の上面に載せたときの枠体上端面Eを天板上面Fよりも高く構成している。
【0009】
以上のように構成された誘導加熱調理器についてその動作を説明する。枠体13の内寸は天板11の外寸よりも大きく、また天板11上面よりも外郭12の上面の方が低いので、枠体13を外郭12に載せることにより、天板11の外寸との寸法差で生じるガタツキ内に位置が規制される。このため、天板11の上に置いた鍋が滑るなどして位置がずれて天板11から外れ落ちそうになっても、枠体13に当たることによりずれ落ちを制止できる。
【0010】
なお、本実施例では枠体13を樹脂製としたがこれに限るものではなく、金属製にすれば加熱コイル14が発する漏れ磁束を低減し、輻射ノイズを小さくすることもできる。
【0011】
また、本実施例では天板11と枠体13の形状を略四角形としたがこれに限るものでなく、円形でも当然に同様の効果を得ることができものである。
【0012】
(実施例2)
以下本発明の第2の実施例について、図3〜図4を参照しながら説明する。
【0013】
図において、31は天板、32は外郭、33は枠体である。また、34は加熱コイル、35は外郭32上面の凹部であり、この凹部35は天板31の外周部において閉路となった溝となっており、凹部の外寸M・Nは枠体33の外寸O・Pより若干大きい程度とし、枠体33の内側には凹部35による幅Qの溝が形成される。
【0014】
上記のような構成によれば、鍋で調理中に煮こぼれが生じても幅Qの溝に溜まるため、本体外方まで達してテーブル面を汚すことを低減することができる。
【0015】
また図5は枠体43の外寸の大きさを変えた場合を示すもので、枠体43の内寸Rを外郭上面に構成した凹部45の内寸Sより若干大きい程度とした場合であり、この場合も枠体43の下部にスリット等を設けることにより、煮こぼれが生じても同様の効果を得ることができる。
【0016】
(実施例3)
以下本発明の第3の実施例について図6〜図7を参照しながら説明する。
【0017】
図において、51は天板、52は調理器本体の外郭、53は枠体、54は加熱コイル、55は市販の鍋である。そして、枠体53の形状は、その下端部を天板51の外形と略同形状とし、縦・横の内寸を天板51の縦・横の外寸よりも大きくし、枠体53の上端部の縦・横内寸を天板51の縦・横外寸よりも小さくしている。また、外郭52の上面は天板51の上面より低くし、枠体53を外郭52の上面に載せたときに、枠体上端面を天板上面よりも高くなるように構成している。
【0018】
上記のように構成された誘導加熱調理器では、鍋55が嵌まる部分の枠体の最小寸法すなわち上端部の内寸が天板51外寸より小さいので、鍋55がずれる範囲を狭めることができ、小さな鍋を使用する際の使い勝手の向上を図ることができる。
【0019】
図8および図9は別の実施例を示すもので、61は天板、62は調理器本体の外郭、63は枠体、64は加熱コイルであり、外郭62上面には閉路となった凹部65を備え、枠体63下部が凹部65の外壁に嵌合するように構成されている。
【0020】
以上のような構成により、鍋がずれる範囲を天板61外寸より狭い範囲に抑え、小さな鍋を使用する際の使い勝手を向上させることができるのに加え、外郭62上面に凹部65が形成されているので、調理時に煮こぼれが生じても凹部に溜まり、本体外方まで達してテーブル面を汚すことを低減させることができる。
【0021】
図10は別の実施例を示すもので、71は天板、72は調理器本体の外郭、73は枠体であり、枠体73上方の開口形状を略円形としている。このような形状にすれば、通常使われることの多い円形状の鍋に対して、鍋が嵌まる枠体73の開口形状が略一致することにより、一層使い勝手の向上が図れる。
【0022】
(実施例4)
以下本発明の第4の実施例について図11〜図12を参照しながら説明する。
【0023】
図において、21は天板、22は天板21を支持する調理器本体樹脂製の外郭、23は調理器本体と着脱自在で外郭22の上に載せて使用する樹脂製の枠体であり、24は加熱コイルである。そして、枠体23の縦・横の内寸G・Hは天板の縦・横の外寸I・Jよりも大きくし、枠体23を外郭22の上面に載せたときの枠体上端面Kを天板上面Lよりも高くなるように構成している。また、天板21外方の外郭22上面に複数の凹部25を設け、枠体23の下面には外郭22に設けた凹部25と相対する位置に複数の凸部26を設け、枠体23を外郭22に載せるときに凹部25と凸部26とが嵌合するように構成されている。
【0024】
上記のように構成された誘導加熱調理器においては、天板21の端面と枠体23とを直接接触させずに凹部25と凸部26とを嵌合して固定しているため、枠体23の傷付きを抑え、耐久性を向上させることができる。
【0025】
また、図13に示すように、略円形の天板81外側の外郭82に天板81の中心に対し略対称位置に凸部84を設け、枠体83の内周には凹部85を設けた状態で凸部84と凹部85とを噛み合わせて載置し、図13中の矢印方向に枠体83を回転させて固定する係合手段を設けることにより、外枠22に凹部25等を設けた場合と同様な効果を得ることが可能であり、また、枠体下部にフランジ状の突起を設け、これを外郭に引っかけて固定するようなものであっても同様の効果を得ることができる。
【0026】
【発明の効果】
以上のように本発明は、郭には天板の外周部に凹部を備え、この凹部に枠体下端部を係合することにより、鍋ずれを低減するための構成部品である枠体の傷付きを抑え耐久性を向上させることができる。
【図面の簡単な説明】
【図1】 本発明の第1の実施例における誘導加熱調理器の分解斜視図
【図2】 同、誘導加熱調理器の断面図
【図3】 本発明の第2の実施例における誘導加熱調理器の分解斜視図
【図4】 同、誘導加熱調理器の断面図
【図5】 同、実施例における別な枠体を構成要素とする誘導加熱調理器の断面図
【図6】 本発明の第3の実施例における誘導加熱調理器の分解斜視図
【図7】 同、誘導加熱調理器の断面図
【図8】 同、実施例における別な外郭を構成要素とする誘導加熱調理器の分解斜視図
【図9】 同、誘導加熱調理器の断面図
【図10】 同、実施例における別な枠体及び外郭を構成要素とする誘導加熱調理器の分解斜視図
【図11】 本発明の第4の実施例における誘導加熱調理器の分解斜視図
【図12】 同、誘導加熱調理器の断面図
【図13】 同、実施例における別な枠体及び外郭を構成要素とする誘導加熱調理器の分解斜視図
【図14】 従来の誘導加熱調理器の断面図
【符号の説明】
11 天板
12 外郭
13 枠体
14 加熱コイル
15 鍋
[0001]
[Industrial application fields]
The present invention relates to an induction heating cooker.
[0002]
[Prior art]
In recent years, attention has been focused on the high safety of induction heating cookers, but it is also desired to improve safety and usability.
[0003]
Hereinafter, a conventional induction heating cooker will be described with reference to FIG. In the figure, 4 is a pan placed on the top plate 1 and is magnetically induction heated by the heating coil 3. The top plate 1 is supported by the outer shell 2.
[0004]
[Problems to be solved by the invention]
However, the above conventional configuration has the following problems. That is, since the upper surface of the top plate 1 is higher than the upper surface of the outer shell 2 and the upper surface is formed of a flat surface, when cooking is performed in the pan 4 during cooking, force is applied to the pan 4. In some cases, the pan 4 slides down from the top plate 1 on the top plate 1.
[0005]
The present invention solves the above-mentioned problems, and a first object is to prevent the pan from sliding down on the top plate, and to improve the durability by suppressing the damage of the component parts therefor.
[0006]
[Means for Solving the Problems]
In order to achieve the first object, the present invention provides a top plate, and the outer supporting the top plate, and a frame for mounting to the top plate outer periphery, the top to the outer The outer peripheral part of the plate is provided with a recess, and the frame body has at least the inner dimension of the lower end part larger than the outer dimension of the top plate, and the outer recess part is used as a closed groove to engage the lower end part of the frame body. A groove formed by the recess is formed inside the frame .
[0007]
【Example】
(Example 1)
A first embodiment of the present invention will be described below with reference to FIGS.
[0008]
In the figure, 11 is a top plate made of an inorganic material such as crystallized glass, 12 is an outer shell of a resin cooker body that supports the top plate 11, and 13 is detachably attached to the cooker body and used on the outer shell 12. 14 is a heating coil, and 15 is a commercially available pan for cooking on the top plate 11. The shape of the frame 13 is substantially the same as the top plate outer shape, and the vertical and horizontal inner dimensions A and B are larger than the vertical and horizontal outer dimensions C and D of the top plate 11. The upper surface of the outer shell 12 is lower than the upper surface of the top plate 11, and the upper end surface E of the frame body when the frame body 13 is placed on the upper surface of the outer shell 12 is configured to be higher than the upper surface F of the top plate.
[0009]
The operation | movement is demonstrated about the induction heating cooking appliance comprised as mentioned above. Since the inner size of the frame 13 is larger than the outer size of the top plate 11 and the upper surface of the outer shell 12 is lower than the upper surface of the top plate 11, the outer surface of the top plate 11 is removed by placing the frame 13 on the outer shell 12. The position is regulated in the backlash generated by the dimensional difference. For this reason, even if the pan placed on the top plate 11 slips and the position shifts and it is likely to come off the top plate 11, it can be prevented from falling off by hitting the frame 13.
[0010]
In the present embodiment, the frame 13 is made of resin, but the present invention is not limited to this. If the frame 13 is made of metal, the leakage magnetic flux generated by the heating coil 14 can be reduced and radiation noise can be reduced.
[0011]
In the present embodiment, the top plate 11 and the frame 13 have a substantially rectangular shape. However, the shape is not limited to this, and the same effect can naturally be obtained even in a circular shape.
[0012]
(Example 2)
Hereinafter, a second embodiment of the present invention will be described with reference to FIGS.
[0013]
In the figure, 31 is a top plate, 32 is an outer shell, and 33 is a frame. Also, 34 is a heating coil, 35 is a recess on the upper surface of the outer shell 32, and this recess 35 is a groove that is closed at the outer peripheral portion of the top plate 31. A groove having a width Q formed by the recess 35 is formed inside the frame 33 so as to be slightly larger than the outer dimension O · P.
[0014]
According to the above configuration, even if spilling occurs during cooking in the pan, it accumulates in the groove having the width Q, so that it is possible to reduce the table surface from reaching the outside of the main body.
[0015]
FIG. 5 shows a case where the size of the outer dimension of the frame body 43 is changed. In this case, the inner dimension R of the frame body 43 is set to be slightly larger than the inner dimension S of the recess 45 formed on the upper surface of the outer shell. In this case as well, by providing a slit or the like in the lower part of the frame body 43, the same effect can be obtained even if boiling occurs.
[0016]
(Example 3)
A third embodiment of the present invention will be described below with reference to FIGS.
[0017]
In the figure, 51 is a top plate, 52 is an outer shell of the cooker body, 53 is a frame, 54 is a heating coil, and 55 is a commercially available pan. The shape of the frame body 53 is such that its lower end is substantially the same shape as the outer shape of the top plate 51, the vertical and horizontal inner dimensions are larger than the vertical and horizontal outer dimensions of the top plate 51, and The vertical and horizontal inner dimensions of the upper end portion are made smaller than the vertical and horizontal outer dimensions of the top plate 51. Further, the upper surface of the outer shell 52 is made lower than the upper surface of the top plate 51, and when the frame body 53 is placed on the upper surface of the outer shell 52, the upper end surface of the frame body is configured to be higher than the upper surface of the top plate.
[0018]
In the induction heating cooker configured as described above, the minimum dimension of the frame body in which the pan 55 is fitted, that is, the inner dimension of the upper end is smaller than the outer dimension of the top plate 51, so that the range in which the pan 55 is shifted can be narrowed. It is possible to improve usability when using a small pan.
[0019]
FIGS. 8 and 9 show another embodiment, in which 61 is a top plate, 62 is an outer shell of the cooker body, 63 is a frame, 64 is a heating coil, and the upper surface of the outer shell 62 is a closed recess. 65, and the lower part of the frame 63 is configured to fit into the outer wall of the recess 65.
[0020]
With the configuration as described above, the range in which the pan is displaced can be suppressed to a range narrower than the outer size of the top plate 61 and the usability when using a small pan can be improved. In addition, a recess 65 is formed on the upper surface of the outer shell 62. Therefore, even if spilling occurs during cooking, it is possible to reduce the accumulation in the recess, reaching the outside of the main body, and soiling the table surface.
[0021]
FIG. 10 shows another embodiment, in which 71 is a top plate, 72 is an outer shell of the cooker body, 73 is a frame, and the opening shape above the frame 73 is substantially circular. With such a shape, the opening shape of the frame 73 into which the pan fits substantially matches that of a circular pan that is usually used, thereby further improving usability.
[0022]
(Example 4)
Hereinafter, a fourth embodiment of the present invention will be described with reference to FIGS.
[0023]
In the figure, 21 is a top plate, 22 is a cooker body resin outer shell that supports the top plate 21, 23 is a resin frame that is detachably attached to the cooker body and used on the outer shell 22. Reference numeral 24 denotes a heating coil. The vertical and horizontal inner dimensions G and H of the frame body 23 are larger than the vertical and horizontal outer dimensions I and J of the top plate, and the upper end surface of the frame body when the frame body 23 is placed on the upper surface of the outer shell 22. K is configured to be higher than the top surface L of the top plate. A plurality of concave portions 25 are provided on the upper surface of the outer shell 22 outside the top plate 21, and a plurality of convex portions 26 are provided on the lower surface of the frame body 23 at positions opposite to the concave portions 25 provided on the outer shell 22. The concave portion 25 and the convex portion 26 are configured to be fitted when placed on the outer shell 22.
[0024]
In the induction heating cooker configured as described above, since the concave portion 25 and the convex portion 26 are fitted and fixed without directly contacting the end surface of the top plate 21 and the frame body 23, the frame body 23 can be suppressed and durability can be improved.
[0025]
Further, as shown in FIG. 13, a convex portion 84 is provided on the outer shell 82 outside the substantially circular top plate 81 at a substantially symmetrical position with respect to the center of the top plate 81, and a concave portion 85 is provided on the inner periphery of the frame 83. In this state, the convex portion 84 and the concave portion 85 are engaged with each other and placed, and the outer frame 22 is provided with the concave portion 25 and the like by providing engaging means for rotating and fixing the frame body 83 in the direction of the arrow in FIG. It is possible to obtain the same effect as in the case of the case, and the same effect can be obtained even if a flange-like projection is provided at the lower part of the frame and is fixed by being hooked on the outer shell. .
[0026]
【The invention's effect】
The present invention as described above, the outer Guo with a recess in the outer peripheral portion of the top plate, by engaging the frame lower portion into the recess, is the frame of a component for reducing the pan deviation Scratches can be suppressed and durability can be improved.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of an induction heating cooker according to a first embodiment of the present invention. FIG. 2 is a sectional view of the induction heating cooker. FIG. 3 is an induction heating cooking according to a second embodiment of the present invention. FIG. 4 is a cross-sectional view of the induction heating cooker. FIG. 5 is a cross-sectional view of the induction heating cooker including another frame in the embodiment. FIG. 7 is an exploded perspective view of the induction heating cooker according to the third embodiment. FIG. 7 is a sectional view of the induction heating cooker. FIG. 8 is an exploded view of the induction heating cooker having another outline as a component in the embodiment. FIG. 9 is a cross-sectional view of the induction heating cooker. FIG. 10 is an exploded perspective view of the induction heating cooker having another frame body and outer shell as components in the embodiment. FIG. 12 is an exploded perspective view of the induction heating cooker in the fourth embodiment. FIG. 12 is a sectional view of the induction heating cooker. 13] the cross-sectional view of another frame and exploded perspective view of an induction heating cooker as a component an outer shell 14 is a conventional induction heating cooker in the embodiment EXPLANATION OF REFERENCE NUMERALS
11 Top plate 12 Outline 13 Frame 14 Heating coil 15 Pan

Claims (1)

天板と、この天板を支持する外郭と、前記天板外周部に載置する枠体とを備え、前記外郭には前記天板の外周部に凹部を備え、前記枠体は少なくとも下端部の内寸を前記天板の外寸より大とし、前記外郭凹部を閉路となった溝とし前記枠体下端部を係合して、前記枠体の内側に前記凹部による溝が形成されてなる誘導加熱調理器。A top plate, an outer shell that supports the top plate, and a frame body that is placed on the outer peripheral portion of the top plate. The outer shell includes a concave portion on the outer peripheral portion of the top plate , and the frame body has at least a lower end portion. The inner dimension of the frame is larger than the outer dimension of the top plate, the outer recess is a closed groove, the lower end of the frame is engaged, and the groove by the recess is formed inside the frame. Induction heating cooker.
JP5441995A 1995-03-14 1995-03-14 Induction heating cooker Expired - Fee Related JP3697736B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5441995A JP3697736B2 (en) 1995-03-14 1995-03-14 Induction heating cooker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5441995A JP3697736B2 (en) 1995-03-14 1995-03-14 Induction heating cooker

Publications (2)

Publication Number Publication Date
JPH08250269A JPH08250269A (en) 1996-09-27
JP3697736B2 true JP3697736B2 (en) 2005-09-21

Family

ID=12970194

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5441995A Expired - Fee Related JP3697736B2 (en) 1995-03-14 1995-03-14 Induction heating cooker

Country Status (1)

Country Link
JP (1) JP3697736B2 (en)

Also Published As

Publication number Publication date
JPH08250269A (en) 1996-09-27

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