JP7028815B2 - rice cooker - Google Patents
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- JP7028815B2 JP7028815B2 JP2019031219A JP2019031219A JP7028815B2 JP 7028815 B2 JP7028815 B2 JP 7028815B2 JP 2019031219 A JP2019031219 A JP 2019031219A JP 2019031219 A JP2019031219 A JP 2019031219A JP 7028815 B2 JP7028815 B2 JP 7028815B2
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Description
本発明は、炊飯器に関するものである。 The present invention relates to a rice cooker.
炊飯器は、本体上枠が特に汚れやすい箇所である。例えば、炊飯終了後、蓋を開けた時に内蓋表面に付着した露が落下して本体上枠の上面部を汚したり、またご飯を内釜からよそう時にご飯粒をこぼして本体上枠の上面部を汚すことがあり、その汚れに起因して本体上枠の上面部に雑菌が繁殖することがある。そのため、雑菌の繁殖を抑えるために工夫をした炊飯器が提案されている。 The rice cooker is a place where the upper frame of the main body is particularly liable to get dirty. For example, after cooking rice, dew adhering to the surface of the inner lid may fall when the lid is opened and stain the upper surface of the upper frame of the main body, or when rice is spilled from the inner pot, rice grains may be spilled on the upper frame of the main body. The upper surface may be soiled, and the stain may cause germs to propagate on the upper surface of the upper frame of the main body. Therefore, a rice cooker devised to suppress the growth of various germs has been proposed.
特許文献1に示すものは、本体上枠の上面部にステンレス製のトレーを設け、容易に雑菌の繁殖を抑えられるように、このトレーを本体に対して着脱自在とした構成としたものである。 In Patent Document 1, a stainless steel tray is provided on the upper surface of the upper frame of the main body, and the tray is detachably attached to the main body so that the growth of germs can be easily suppressed. ..
上記した従来技術において、本体上枠の上面部に金属製のトレーを着脱自在として配置したものであるため、金属製のトレーは、内釜の熱により熱せられることから、100℃前後の高温に達する可能性がある。そのため、不意に触ると火傷する可能性が生じる。また、金属製のトレーが内釜側から本体側面側近くまで広く設けられるため、内釜の熱を本体側面近くまで導き熱の損失を多く生じる課題があった。 In the above-mentioned conventional technique, since the metal tray is detachably arranged on the upper surface of the upper frame of the main body, the metal tray is heated by the heat of the inner pot, so that the temperature rises to about 100 ° C. May reach. Therefore, if you touch it unexpectedly, you may get burned. Further, since the metal tray is widely provided from the inner pot side to the vicinity of the side surface of the main body, there is a problem that the heat of the inner pot is guided to the vicinity of the side surface of the main body and a large amount of heat loss occurs.
本発明の目的は、金属製のトレーを設けることなく雑菌の繁殖を抑えることにある。 An object of the present invention is to suppress the growth of germs without providing a metal tray.
上記目的は、例えば、本体と、該本体の上面開口部を覆う外蓋と、前記本体内に設けられた外釜と、該外釜の上面開口部と前記本体との間を覆い、樹脂材料により構成された上枠と、前記外釜内に着脱自在に収納された内釜と、該内釜の上部開口部を覆い前記外蓋に取り付けられた内蓋と、前記内釜の下方に設けられ該内釜を加熱する内釜加熱手段とを備えた炊飯器において、前記上枠の上枠上面に、有機系抗菌剤を含む抗菌塗装を施すとともに、前記上枠上面の、前記内釜の側、及び、前記本体の外の側のそれぞれに、リブが設けられた構成により達成される。 The above purpose is, for example, to cover between the main body, the outer lid covering the upper surface opening of the main body, the outer pot provided in the main body, the upper surface opening of the outer pot and the main body, and a resin material. An upper frame configured by the above, an inner pot detachably stored in the outer pot, an inner lid that covers the upper opening of the inner pot and is attached to the outer lid, and a lower part of the inner pot. In a rice cooker provided with an inner pot heating means for heating the inner pot, the upper surface of the upper frame of the upper frame is coated with an antibacterial coating containing an organic antibacterial agent, and the upper surface of the upper frame of the inner pot is coated with an antibacterial coating. This is achieved by a configuration in which ribs are provided on the side and the outer side of the main body, respectively.
本発明によれば、金属製のトレーを設けることなく雑菌の繁殖を抑えることができる。 According to the present invention, it is possible to suppress the growth of germs without providing a metal tray.
以下、本発明の一実施例について図面を用いて詳細に説明する。 Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
図1は炊飯器の全体斜視図、図2は同炊飯器の蓋が開いている状態の概略斜視図、図3は同炊飯器の側面断面図(保護手段6は非表示)である。 FIG. 1 is an overall perspective view of the rice cooker, FIG. 2 is a schematic perspective view of the rice cooker with the lid open, and FIG. 3 is a side sectional view of the rice cooker (protection means 6 is not displayed).
図において、1は炊飯器の本体である。本体1内には有底の外釜7を有し、その外釜7に内釜4が着脱自在に挿入され、外釜7の上部には本体1につながる上枠5が設けられている。また、本体1の上面には、本体1と内釜4の上面開口部を覆う内蓋3を備えた外蓋2が開閉自在に設けられている。 In the figure, 1 is the main body of the rice cooker. A bottomed outer pot 7 is provided in the main body 1, an inner pot 4 is detachably inserted into the outer pot 7, and an upper frame 5 connected to the main body 1 is provided on the upper part of the outer pot 7. Further, on the upper surface of the main body 1, an outer lid 2 provided with an inner lid 3 that covers the upper surface opening of the main body 1 and the inner pot 4 is provided so as to be openable and closable.
内蓋3の下面周縁部には、内釜4の上端部に有するフランジ部4aと密接するパッキン22が設けられ、内釜4の上部開口を閉塞して密閉している。 A packing 22 that is in close contact with the flange portion 4a at the upper end of the inner pot 4 is provided on the lower peripheral edge portion of the inner lid 3 to close and seal the upper opening of the inner pot 4.
本体1の外蓋2の上面には各種メニューの操作を行うための操作部31が設けられている。また外蓋2の上面には、時刻表示や炊飯の進行状況、各種メニューの設定内容などを表示する液晶表示器などで構成された表示部32を有し、操作部31と連動し炊飯の開始や各種メニューやタイマー炊飯の設定などを行うことができる。 An operation unit 31 for operating various menus is provided on the upper surface of the outer lid 2 of the main body 1. Further, on the upper surface of the outer lid 2, a display unit 32 composed of a liquid crystal display or the like for displaying the time display, the progress of rice cooking, the setting contents of various menus, etc. is provided, and the rice cooking is started in conjunction with the operation unit 31. You can also set various menus and timer rice cooking.
また、本体1には前後に回動可能なハンドル33が取付けられており、本体1を自由に持ち運ぶことができる。 Further, a handle 33 that can rotate back and forth is attached to the main body 1, so that the main body 1 can be freely carried.
次に、本体1の内部構造について説明する。 Next, the internal structure of the main body 1 will be described.
外蓋2には蓋加熱手段15が設けられ、これにより内蓋3の全面を均等に加熱するように設けられている。また、外蓋2は、ヒンジ軸21によって本体1に開閉自在に支持されている。 The outer lid 2 is provided with a lid heating means 15, which is provided so as to evenly heat the entire surface of the inner lid 3. Further, the outer lid 2 is supported by the hinge shaft 21 so as to be openable and closable to the main body 1.
内蓋3は内釜4の上部開口を覆い、内蓋3の周囲に設けられたパッキン22と内釜4上端のフランジ部4aとの当接によって気密を保つようにしている。 The inner lid 3 covers the upper opening of the inner pot 4 and keeps airtightness by contact between the packing 22 provided around the inner lid 3 and the flange portion 4a at the upper end of the inner pot 4.
外釜7の底部下方には、内釜4を加熱するための内釜加熱手段14が設けられており、これらは加熱コイルで構成され、対向する内釜4の部位を誘導加熱する。 An inner pot heating means 14 for heating the inner pot 4 is provided below the bottom of the outer pot 7, and these are composed of heating coils to induce and heat the portion of the inner pot 4 facing each other.
また、外釜7の底部には内釜4の外側底部に当接するように温度センサー18が設けられ、前記温度センサー18によって検知した内釜4の底部の温度情報を制御部17に入力する。 Further, a temperature sensor 18 is provided at the bottom of the outer pot 7 so as to abut on the outer bottom of the inner pot 4, and the temperature information of the bottom of the inner pot 4 detected by the temperature sensor 18 is input to the control unit 17.
上枠5は外蓋2を開けた時に、内蓋3表面に付着している露が上枠5の上枠上面5cに落下した場合に、その露が本体1の外側や内釜4側に流れ出ないように両側にリブを設け、内釜4側のリブの先端部を上枠上端部5e、またこの上枠上端部5eの内側となる内釜4と対向する面を上枠着脱部5dとしている。 When the outer lid 2 of the upper frame 5 is opened and the dew adhering to the surface of the inner lid 3 falls on the upper surface 5c of the upper frame of the upper frame 5, the dew is on the outside of the main body 1 or on the inner pot 4 side. Ribs are provided on both sides so as not to flow out, and the tip of the rib on the inner pot 4 side is the upper frame upper end portion 5e, and the surface facing the inner pot 4 inside the upper frame upper end portion 5e is the upper frame attachment / detachment portion 5d. It is supposed to be.
制御部17は、温度センサー18からの内釜4の温度情報によって内釜加熱手段14と蓋加熱手段15の動作を制御する。 The control unit 17 controls the operations of the inner pot heating means 14 and the lid heating means 15 based on the temperature information of the inner pot 4 from the temperature sensor 18.
内蓋3は、内釜4で発生した蒸気が貫通する内蓋蒸気通路11と、本体1の排気口8と繋がる外蓋蒸気通路12と、および内蓋蒸気通路11の上面に載せられ、前記内蓋蒸気通路11を塞ぐ調圧手段13とで構成される。 The inner lid 3 is placed on the inner lid steam passage 11 through which the steam generated in the inner pot 4 penetrates, the outer lid steam passage 12 connected to the exhaust port 8 of the main body 1, and the upper surface of the inner lid steam passage 11. It is composed of a pressure adjusting means 13 that closes the inner lid steam passage 11.
調圧手段13は、内蓋3を貫通した内蓋蒸気通路11からの通路を狭くして形成した調圧台13bの上に調圧ボール13aが設けられる構成となっている。そして、内釜4内部の蒸気圧が所定圧力より高まると、調圧ボール13aを持ち上げ、外蓋蒸気通路12から圧力が抜け、蒸気口8を通して本体1外に排出される。またその圧力が所定圧力より低くなると、再び調圧ボール13aが内蓋蒸気通路11を塞いで蒸気圧が高まる。この繰り返しで内釜4と内蓋3内の圧力が所定圧力に調整される。 The pressure adjusting means 13 is configured such that the pressure adjusting ball 13a is provided on the pressure adjusting table 13b formed by narrowing the passage from the inner lid steam passage 11 penetrating the inner lid 3. Then, when the vapor pressure inside the inner pot 4 becomes higher than the predetermined pressure, the pressure adjusting ball 13a is lifted, the pressure is released from the outer lid steam passage 12, and the pressure is discharged to the outside of the main body 1 through the steam port 8. When the pressure becomes lower than the predetermined pressure, the pressure adjusting ball 13a again blocks the inner lid steam passage 11 and the vapor pressure increases. By repeating this process, the pressure inside the inner pot 4 and the inner lid 3 is adjusted to a predetermined pressure.
また、この調圧ボール13aは、制御部17からの信号によって動作するソレノイドからなる開放手段16によって任意に動かされ、内釜4の圧力を自由に調整できる。 Further, the pressure adjusting ball 13a is arbitrarily moved by an opening means 16 including a solenoid operated by a signal from the control unit 17, and the pressure of the inner pot 4 can be freely adjusted.
図4は同炊飯器の上枠の斜視図、図5は同炊飯器の上枠の塗膜構成の概略断面図である。 FIG. 4 is a perspective view of the upper frame of the rice cooker, and FIG. 5 is a schematic cross-sectional view of the coating film configuration of the upper frame of the rice cooker.
本体1の上部を覆っている上枠5は、前記上枠5の上枠上面5cとなる外観面には図5に示すように、外観色となる下塗り5aと、その上に上塗り(抗菌塗料)5bが塗装されている。 As shown in FIG. 5, the upper frame 5 covering the upper part of the main body 1 has an outer coating 5a which is an appearance color and a top coat (antibacterial paint) on the outer surface which is the upper surface 5c of the upper frame 5. ) 5b is painted.
上枠5を塗装する下塗り5a、および上塗り5b(抗菌塗料)共に、塗膜を厚くし過ぎると塗料の垂れや溜まりが生じるため、下塗りは15μm以下、上塗りは35μm以下の膜厚としている。また、上枠5の材料は、塗料の密着が可能であり、かつ本体の枠体としての機能を保持するため、剛性の強い樹脂を選定する必要があることから、本実施例ではPBT(ポリブチレンテレフタレート)を使用している。 For both the undercoat 5a and the topcoat 5b (antibacterial paint) that coat the top frame 5, if the coating film is too thick, the paint will drip or accumulate, so the undercoat has a film thickness of 15 μm or less and the topcoat has a film thickness of 35 μm or less. Further, since the material of the upper frame 5 can be adhered to the paint and it is necessary to select a resin having high rigidity in order to maintain the function as the frame body of the main body, PBT (poly) is used in this embodiment. Butylene terephthalate) is used.
また、本実施例では意匠性も重視して外観色を出すために下塗りをしているが、上枠5の樹脂材料自体の色相を外観色とする場合は、上塗り(抗菌塗料)5bだけを塗装する塗膜構成としても良い。
抗菌塗料は、有機系抗菌剤または無機系抗菌剤を含むものである。有機系抗菌剤の効果として、主としてカビ、藻に効果があり、細菌に効果があるものもある。長所として、使用実績が多い、添加量が少なくて良い、無機系に比べ安価、塗料への分散性が良いがある。無機系抗菌剤の効果として、主として細菌に効果がある。長所として、安全性が高い、耐熱性が良い、抗細菌性が良い、持続性が良いがある。
有機系抗菌剤として、2-(4Thiazolyl)benzimidazole:イミダゾール系、N-(Fluorodichloromethylthio) phthalimide:トリハロメチルチオ系、2,4,5,6-Tetrachloroisophthalonitrile:ニトリル系、2-Octyl-4-isothiazolin-3-one:イソチアゾロン系、Benzalkonium chloride:第四アンモニウム塩を用いることができる。無機系抗菌剤として、銀ゼオライト、銀リン酸ジルコニウム、銀ハイドロキシアパタイト、銀リン酸塩ガラス、銀リン酸塩セラミックを用いることができる。
Further, in this embodiment, the undercoat is applied in order to give an appearance color with an emphasis on designability, but when the hue of the resin material itself of the upper frame 5 is used as the appearance color, only the topcoat (antibacterial paint) 5b is applied. It may be a coating film composition to be painted.
The antibacterial paint contains an organic antibacterial agent or an inorganic antibacterial agent. The effects of organic antibacterial agents are mainly on molds and algae, and some are effective on bacteria. The advantages are that it has been used for a long time, the amount of addition may be small, it is cheaper than inorganic materials, and it has good dispersibility in paints. As an effect of the inorganic antibacterial agent, it is mainly effective against bacteria. The advantages are high safety, good heat resistance, good antibacterial property, and good durability.
As an organic antibacterial agent, 2- (4Thiazolyl) benzimidazole: imidazole, N- (Fluorodichloromethylthio) phthalimide: trihalomethylthio, 2,4,5,6-Tetrachloroisophthalonitrile: nitrile, 2-Octyl-4-isothiazolin-3- one: Isothiazolinone-based, Benzalkonium chloride: quaternary ammonium salt can be used. As the inorganic antibacterial agent, silver zeolite, silver zirconium phosphate, silver hydroxyapatite, silver phosphate glass, and silver phosphate ceramic can be used.
但し、本実施例においては、前記上枠5において内釜4の上枠着脱部5dは塗装しない
ものとする。
However, in this embodiment, the upper frame attachment / detachment portion 5d of the inner pot 4 is not painted in the upper frame 5.
本実施例は以上の構成となり、次に炊飯工程についてその動作を説明する。 This embodiment has the above configuration, and then the operation of the rice cooking process will be described.
使用者は内釜4に所要量の洗米した米と水加減した適量の水を入れ、本体1内に収納し、外蓋2を閉じる。 The user puts the required amount of washed rice and an appropriate amount of water in the inner pot 4, stores it in the main body 1, and closes the outer lid 2.
次に、操作部31にある操作ボタンを操作することによって炊飯が開始される。使用者が設定した工程を制御部17に収められた炊飯プログラムに従って、温度センサー18の温度情報を基に炊飯量に応じて内釜加熱手段14、蓋加熱手段15の動作を制御して内釜4が加熱される。 Next, rice cooking is started by operating the operation buttons on the operation unit 31. The process set by the user is controlled by the operation of the inner pot heating means 14 and the lid heating means 15 according to the amount of cooked rice based on the temperature information of the temperature sensor 18 according to the rice cooking program stored in the control unit 17. 4 is heated.
やがて、内釜4内が沸騰すると、調圧手段13によって調圧機能が働き、調圧手段13を通った蒸気は蒸気口8から噴出し蒸気量を調整することで、内釜4の内部を一定の圧力に保つ。 Eventually, when the inside of the inner pot 4 boils, the pressure adjusting function works by the pressure adjusting means 13, and the steam that has passed through the pressure adjusting means 13 is ejected from the steam port 8 to adjust the amount of steam to adjust the inside of the inner pot 4. Keep constant pressure.
その後、内釜4内部の水が無くなると、内釜4の底部の温度が急激に上昇するのを温度センサー18によって検出すると、制御部17は加熱を弱め、蒸らしの工程に移行し一定時間蒸らすと炊飯が完了する。 After that, when the temperature sensor 18 detects that the temperature at the bottom of the inner pot 4 suddenly rises when the water inside the inner pot 4 runs out, the control unit 17 weakens the heating and shifts to the steaming process to steam for a certain period of time. And rice cooking is completed.
次に炊飯後の状況について説明する。 Next, the situation after cooking rice will be described.
炊きあがったご飯をよそうため外蓋4を開けると、内蓋3表面に付着している露が上枠5の上枠上面5cに落下する場合がある。上枠上面5cを濡らしてしまった場合、すぐに拭けば問題ないが、そのまま放置すると水垢として残ってしまうことがある。 When the outer lid 4 is opened to remove the cooked rice, dew adhering to the surface of the inner lid 3 may fall on the upper surface 5c of the upper frame 5. If the upper surface 5c of the upper frame gets wet, there is no problem if it is wiped immediately, but if it is left as it is, it may remain as scale.
また、ご飯をよそう際に、ご飯粒を上枠上面5cに落下させてしまい、汚してしまう場合がある。更には、落下したご飯粒に気付かずにそのまま放置してしまった場合、上枠上面5cに雑菌が繁殖することがある。さらに、上枠上面5cに汚れがこびり付き、頑固な汚れとして残ってしまうことも有り得る。 In addition, when the rice is cooked, the rice grains may be dropped on the upper surface 5c of the upper frame and become dirty. Furthermore, if the dropped rice grains are left as they are without being noticed, germs may propagate on the upper surface 5c of the upper frame. Further, dirt may stick to the upper surface 5c of the upper frame and remain as stubborn dirt.
しかし、樹脂製の上枠上面5cに上塗り(抗菌塗料)5bで表面をコーティングしていることにより、雑菌の繁殖を抑えることができる。
以上のように、上枠5の上枠表面5cに抗菌塗装することにより、雑菌の繁殖を抑えることができる炊飯器を提供することができる。
However, by coating the surface of the upper surface 5c of the resin-made upper frame with a top coat (antibacterial paint) 5b, it is possible to suppress the growth of various germs.
As described above, by applying antibacterial coating to the upper frame surface 5c of the upper frame 5, it is possible to provide a rice cooker capable of suppressing the growth of various germs.
1 本体
2 外蓋
3 内蓋
4 内釜
4a フランジ部
5 上枠
5a 下塗り
5b 上塗り(抗菌塗装)
5c 上枠上面
14 内釜加熱手段
15 蓋加熱手段
17 制御部
1 Main body 2 Outer lid 3 Inner lid 4 Inner pot 4a Flange part 5 Upper frame 5a Undercoat 5b Topcoat (antibacterial coating)
5c Upper surface of upper frame 14 Inner pot heating means 15 Lid heating means 17 Control unit
Claims (1)
該本体の上面開口部を覆う外蓋と、
前記本体内に設けられた外釜と、
該外釜の上面開口部と前記本体との間を覆い、樹脂材料により構成された上枠と、
前記外釜内に着脱自在に収納された内釜と、
該内釜の上部開口部を覆い前記外蓋に取り付けられた内蓋と、
前記内釜の下方に設けられ該内釜を加熱する内釜加熱手段とを備えた炊飯器において、
前記上枠の上枠上面に、有機系抗菌剤を含む抗菌塗装を施すとともに、
前記上枠上面の、前記内釜の側、及び、前記本体の外の側のそれぞれに、リブが設けられたことを特徴とする炊飯器。 With the main body
An outer lid that covers the upper surface opening of the main body,
The outer pot provided inside the main body and
An upper frame made of a resin material, which covers between the upper surface opening of the outer pot and the main body,
The inner pot, which is detachably stored in the outer pot,
An inner lid that covers the upper opening of the inner pot and is attached to the outer lid,
In a rice cooker provided below the inner pot and provided with an inner pot heating means for heating the inner pot.
An antibacterial coating containing an organic antibacterial agent is applied to the upper surface of the upper frame of the upper frame.
A rice cooker characterized in that ribs are provided on the upper surface of the upper frame on the side of the inner pot and on the outer side of the main body.
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JP7028815B2 true JP7028815B2 (en) | 2022-03-02 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002204746A (en) | 2001-01-12 | 2002-07-23 | Matsushita Electric Ind Co Ltd | Rice cooker |
JP2015231450A (en) | 2014-06-10 | 2015-12-24 | 日立アプライアンス株式会社 | rice cooker |
CN105967661A (en) | 2016-04-22 | 2016-09-28 | 宁波高新区夏远科技有限公司 | Antibacterial ceramic coating layer for non-stick pan and preparation method thereof, and non-stick pan |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002204746A (en) | 2001-01-12 | 2002-07-23 | Matsushita Electric Ind Co Ltd | Rice cooker |
JP2015231450A (en) | 2014-06-10 | 2015-12-24 | 日立アプライアンス株式会社 | rice cooker |
CN105967661A (en) | 2016-04-22 | 2016-09-28 | 宁波高新区夏远科技有限公司 | Antibacterial ceramic coating layer for non-stick pan and preparation method thereof, and non-stick pan |
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