JPS6020333Y2 - Heat shield device for electric cooker - Google Patents

Description

【考案の詳細な説明】 本考案は本体内の発熱体上に鍋を出し入れ自在に収納し
た電気調理器に関するもので、発熱体を固着する保護枠
と本体下端に制御回路ユニットを収納した回路収納ボッ
クスとの間に有する遮熱板の取付方向を規制して、ネジ
締付部の位置決めを容易とし絶縁不良等の防止を行い、
かつ水切り効果を奏する遮熱板を備えた電気調理器を提
供するものである。[Detailed description of the invention] This invention relates to an electric cooker in which a pot is housed on a heating element inside the main body so that it can be taken out and put in. It has a protective frame that fixes the heating element and a circuit storage that houses a control circuit unit at the bottom of the main body. By regulating the installation direction of the heat shield plate between the box and the box, it is easy to position the screw tightening part and prevent insulation defects.
The present invention also provides an electric cooker equipped with a heat shield plate that has a draining effect.

従来は第５図の如く、回路収納ボックス２５上部に取付
けられた遮熱板２６は、回路収納ボックス１５上方中央
部を開口２５ａした外周上面に形成された引掛は部２５
ｃに遮熱板２６の爪部２６ａを挿入し、この引掛は部２
５ｃに対向する位置に取付ボス２５ｄを設け、この取付
ボス２５ｄに遮熱板２６を介してネジ２７にて取付けさ
れているが、遮熱板２６が回路収納ボックス２５上面よ
り小さいため回路収納ボックス２５に収納した制御回路
ユニットは発熱体からの熱の影響を受けやすく、又、遮
熱板２６上に多量の煮汁等が流れ込んだとき遮熱板２６
外周に有する上方へ曲げた折り曲げ部２．６ｄを乗り越
え下面に沿って回路収納ボックス２５上面の開口部２５
ａより制御回路ユニットに滴下し、絶縁不良等が発生し
ていた。Conventionally, as shown in FIG. 5, the heat shield plate 26 attached to the upper part of the circuit storage box 25 has a hook portion 25 formed on the upper surface of the outer periphery with an opening 25a at the upper center of the circuit storage box 15.
Insert the claw part 26a of the heat shield plate 26 into the hook part 2.
A mounting boss 25d is provided at a position facing 5c, and is attached to this mounting boss 25d via a heat shield plate 26 with screws 27. However, since the heat shield plate 26 is smaller than the top surface of the circuit storage box 25, the circuit storage box The control circuit unit housed in the heat shield plate 25 is easily affected by the heat from the heating element, and when a large amount of boiling liquid or the like flows onto the heat shield plate 26, the heat shield plate 26
Opening 25 on the top surface of circuit storage box 25 along the bottom surface over the upwardly bent bent portion 2.6d on the outer periphery.
It dripped onto the control circuit unit from a, causing poor insulation and other problems.

又、遮熱板２６を第６図の如く、逆行される形状である
ため、遮熱板２６上方に有する発熱体の電気端子部と遮
熱板２６との空間距離がなくなり絶縁不良をおこすなど
の欠点があった。Furthermore, since the heat shield plate 26 is shaped in a backward direction as shown in FIG. 6, there is a lack of spatial distance between the electric terminal portion of the heating element located above the heat shield plate 26 and the heat shield plate 26, resulting in poor insulation. There was a drawback.

本考案は上記従来の欠点を除去するもので、以下本考案
の一実施例を示す電気圧力調理器について、添付図面を
参照して説明する。The present invention eliminates the above-mentioned drawbacks of the conventional art, and hereinafter, an electric pressure cooker showing an embodiment of the present invention will be described with reference to the accompanying drawings.

第１〜４図において、１は筒状の本体、２は本体１内に
固着された保護枠で、底中央部に貫通孔を設け、この貫
通孔の周囲に下方に凹なる通水路２ａを設け、この通水
路２ａの特定箇所に排出用切欠部（図示せず）を形成し
ている。In Figures 1 to 4, 1 is a cylindrical main body, 2 is a protective frame fixed inside the main body 1, a through hole is provided in the center of the bottom, and a water passage 2a concave downward is formed around this through hole. A discharge notch (not shown) is formed at a specific location of the water passage 2a.

３は保護枠２内に固着されシーズヒーター３ａを鋳込ん
だ発熱体で、中央部に貫通孔を設けている。A heating element 3 is fixed in the protective frame 2 and has a sheathed heater 3a cast therein, and has a through hole in its center.

４は発熱体３上に着脱自在に載置される鍋、５はバッキ
ング６を介して鍋４の上方開口部を気密に覆う蓋で、圧
力調整錘７と蓋つまみ８を設けている。Reference numeral 4 denotes a pot that is detachably placed on the heating element 3, and 5 is a lid that airtightly covers the upper opening of the pot 4 via a backing 6, and is provided with a pressure adjustment weight 7 and a lid knob 8.

９は鍋４底面と密接し鍋４温度を感知する感熱装置で、
下部に連動板９ａを有し、発熱体３中央部の貫通孔に固
着され、保護枠２の貫通孔を貫通した感熱ケース１０に
収納されている。9 is a heat-sensitive device that is in close contact with the bottom of the pot 4 and senses the temperature of the pot 4;
It has an interlocking plate 9a at the lower part, is fixed to a through hole in the center of the heating element 3, and is housed in a heat sensitive case 10 that passes through the through hole of the protective frame 2.

１１は感熱装置９と感熱ケース１０間の側部に有するコ
イルバネで、鍋４を発熱体３上に載置すると下がり、除
去すると上がる移動を感熱装置９に付与している。Reference numeral 11 denotes a coil spring provided on the side between the heat sensitive device 9 and the heat sensitive case 10, which gives the heat sensitive device 9 the ability to move down when the pan 4 is placed on the heating element 3 and to move up when removed.

１２は感熱装置９の連動板９ａの孔に挿入され感熱装置
９と連動するレバー１３を装備した保安スイッチで、感
熱装置９の上下移動によりレバー１３が保安スイッチ１
２の電気接点部を可動させ発熱体３への通電を入切させ
ている。Reference numeral 12 denotes a safety switch equipped with a lever 13 that is inserted into a hole in the interlocking plate 9a of the heat-sensitive device 9 and interlocks with the heat-sensitive device 9. When the heat-sensitive device 9 moves up and down, the lever 13 moves to the safety switch 1.
The electric contact part 2 is moved to turn on and off the power to the heating element 3.

１４は感熱装置９が感知する鍋４温度に応じて発熱体３
への通電を制御する制御回路ユニット、１５は本体１の
下端に固定され、脚を一体に有し上方に通風孔なる開口
部１５ａを設け、外周底部に排水孔１５ｂを設けた合成
樹脂製の回路収納ボックスで、制御回路ユニット１４を
収納している。14 is a heating element 3 according to the temperature of the pan 4 detected by the heat sensitive device 9.
A control circuit unit 15 is fixed to the lower end of the main body 1, and is made of synthetic resin and has integral legs, an opening 15a serving as a ventilation hole at the top, and a drainage hole 15b at the bottom of the outer periphery. The circuit storage box houses the control circuit unit 14.

この回路収納ボックス１５上面には断面逆り字型の引掛
は部１５ｃと、この引掛は部１５ｃと対向する位置に取
付ボス１５ｄを設け、この取付ボス１５ｄと近接し前記
引掛は部１５ｃ側に前記取付ボス１５ｄ上面より高い凸
状の支持部１５ｅを形威している。On the upper surface of this circuit storage box 15, a hook portion 15c having an inverted cross section is provided, and a mounting boss 15d is provided at a position facing the portion 15c. A convex support portion 15e is formed which is higher than the upper surface of the mounting boss 15d.

１６は保護枠２内に固着した発熱体３の熱から制御回路
ユニット１４を防ぐ熱的保護及び上部からの煮汁等を受
けるため回路収納ボックス１５上面全体を覆う状態で取
付けられた遮熱板で、回路収納ボックス１５上面の引掛
は部１５ｃに挿入する断面り型の爪部１６ａが設けられ
、又回路収納ボックス１５の取付ボス１５ｄと同位置に
孔部１６ｂを設け、又回路収納ボックス１５の凸状の支
持部１５ｅと同位置に上方の凹部１６ｃを有し、外周を
下方に曲げた折り曲げ部１６ｄを形威している。Reference numeral 16 denotes a heat shield plate installed to cover the entire top surface of the circuit storage box 15 for thermal protection to prevent the control circuit unit 14 from the heat of the heating element 3 fixed in the protective frame 2 and to receive boiling liquid from the top. The hook on the top surface of the circuit storage box 15 is provided with a cross-sectional claw portion 16a that is inserted into the portion 15c, and a hole 16b is provided at the same position as the mounting boss 15d of the circuit storage box 15. It has an upper concave portion 16c at the same position as the convex support portion 15e, and has a bent portion 16d whose outer periphery is bent downward.

回路収納ボックス１５上面に正常な状態で遮熱板１６を
取付けると第１図の如く凸状の支持部１５ｅに遮熱板１
６の凹部１６ｃが嵌り回路収納ボックス１５上面と平行
になり取付ボス１５ｄと孔部１６ｂとが一致するため簡
単にネジ１７にて取付できる。When the heat shield plate 16 is attached to the top surface of the circuit storage box 15 in a normal state, the heat shield plate 1 is attached to the convex support portion 15e as shown in FIG.
Since the concave portion 16c of No. 6 fits and is parallel to the top surface of the circuit storage box 15, and the mounting boss 15d and the hole portion 16b match, it can be easily mounted with the screws 17.

しかし反対に取付けようとすると第４図の如く、遮熱板
１６の上方の凹部１６ｃは下方に凸となるため、この凸
面と支持部１５ｅの上面とが接し、取付ボス１５ｄヘネ
ジ止めしようとしても遮熱板１６は支持部１５ｅを支点
として傾斜し取付できないようになっている。However, if you try to install it in the opposite direction, as shown in Figure 4, the concave part 16c above the heat shield plate 16 becomes convex downward, so this convex surface comes into contact with the top surface of the support part 15e, and even if you try to screw it into the mounting boss 15d, The heat shield plate 16 is tilted about the support portion 15e as a fulcrum, so that it cannot be attached.

尚、吹きこぼれた煮汁等は、保護枠２底上面に沿って中
央部の通水部２ａへ流れ切欠部２ｂより滴下する。Incidentally, the boiling liquid and the like flows along the upper surface of the bottom of the protective frame 2 to the central water passage portion 2a and drips from the cutout portion 2b.

又、本体１と保護枠２のスキ間より進入した煮汁等は、
保護枠２の外側面に沿って下面へ流れ滴下する。In addition, boiling liquid, etc. that enters through the gap between the main body 1 and the protective frame 2,
It flows and drips along the outer surface of the protective frame 2 to the lower surface.

前記滴下する煮汁等は、遮熱板１６上に落ち外周の下方
に曲げた折り曲げ部１６ｄより回路収納ボックス１５の
外側面へと滴下し底部の排水孔１５ｂより外部へ流出す
る。The dripping liquid drops onto the heat shield plate 16, drips onto the outer surface of the circuit storage box 15 through the downwardly bent bent portion 16d of the outer periphery, and flows out through the drain hole 15b at the bottom.

以上のように本考案によれば、回路収納ボックスに収納
した制御回路ユニットの雰囲気温度を低下させるために
設けた回路収納ボックスの開口部を上方より遮熱板にて
覆い、この遮熱板は回路収納ボックス上面より大きく設
は全周を下方に曲げた折り曲げ部を形威し、回路収納ボ
ックスの取付ボス上面より高く設けた支持部に遮熱板の
上方の凹部を合わせて取付るため、遮熱板を間違って逆
付けすることはなくなり遮熱板上部に有する電気端子部
との空間距離を確保でき絶縁不良を撲滅できる。As described above, according to the present invention, the opening of the circuit storage box provided to lower the ambient temperature of the control circuit unit stored in the circuit storage box is covered with a heat shield plate from above, and this heat shield plate is The design is larger than the top surface of the circuit storage box, and the entire circumference is bent downward to form a bent part, and the heat shield is installed by aligning the recess above the heat shield with the support part that is higher than the top surface of the mounting boss of the circuit storage box. It is no longer possible to attach the heat shield plate in the opposite direction by mistake, and the space distance between the heat shield plate and the electrical terminal section provided on the upper part can be ensured, and insulation defects can be eliminated.

又、制御回路ユニットは発熱体の熱を受けることなく正
常に発熱体への通電を制御でき、吹きこぼれた煮汁等を
遮熱板にて受は制御回路ユニットへの流れ込みを防止し
外部に排出できるなど品質面、実用面において非常に優
れた商品を提供できる。In addition, the control circuit unit can normally control the energization of the heating element without receiving heat from the heating element, and the heat shield plate prevents boiling over boiling liquid from flowing into the control circuit unit and discharges it to the outside. We can provide products that are extremely superior in terms of quality and practicality.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示す電気圧力調理器の断面
図、第２図は遮熱板の平面図、第３図は回路収納ボック
スの平面図、第４図は回路収納ボックス上面に遮熱板を
逆に配した断面図、第５照は従来の回路収納ボックス上
面に取付けた遮熱板を示す断面図、第６図は従来の回路
収納ボックス上面に遮熱板を逆に取付けた状態を示す断
面図である。 １・・・・・・本体、３・・・・・・発熱体、４・・・
・・・鍋、９・・・・・・感熱装置、１４・・・・・・
制御回路ユニット、１５・・・・・・回路収納ボックス
、１５ｃ・・・・・・引掛は部、１５ｄ・・・・・・取
付ボス、１５ｅ・・・・・・支持部、１６・・・・・・
遮熱板、１６ａ・・・・・・爪部、１６ｂ・・・・・・
孔部、１６ｃ・・・・・・凹部、１６ｄ・・・・・・折
り曲げ部。Fig. 1 is a sectional view of an electric pressure cooker showing an embodiment of the present invention, Fig. 2 is a plan view of a heat shield, Fig. 3 is a plan view of a circuit storage box, and Fig. 4 is a top view of the circuit storage box. Figure 5 is a cross-sectional view showing a heat shield installed on the top of a conventional circuit storage box, and Figure 6 is a cross-sectional view showing a heat shield installed on the top of a conventional circuit storage box. It is a sectional view showing an attached state. 1... Body, 3... Heating element, 4...
... Pot, 9 ... Heat-sensitive device, 14 ...
Control circuit unit, 15... Circuit storage box, 15c... Hook part, 15d... Mounting boss, 15e... Support part, 16... ...
Heat shield plate, 16a...Claw portion, 16b...
Hole portion, 16c... recessed portion, 16d... bent portion.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 筒状の本体と、この本体内に設けられた発熱体と、この
発熱体に載置される鍋と、前記鍋の温度を感熱する感熱
装置と、前記本体の底部開口に固定され脚を一体に有し
上方に開口部を設けた合成−樹脂製の回路収納ボックス
と、この回路収納ボックス内に前記感熱装置が感熱する
鍋温度に応じて前記発熱体への通電を制御する制御回路
ユニットを収納し、前記回路収納ボックス上面には遮熱
板取付のための引掛は部と、この引掛は部と対向する位
置に取付ボスを設け、この取付ボスと近接し前記引掛は
部側に前記取付ホス上面より高い凸状の支持部を形成し
、前記回路収納ボックスの開口部を含む上面全体を覆う
遮熱板を設け、この遮熱板は一端に前記回路収納ボック
ス上面の引掛は部に挿入する爪部を設け、他端面に前記
回路収納ボックス上面の取付ボスに対応して孔部を設け
、この孔部と前記爪部間に前記回路収納ボックス上面の
支持部の位置に上方の凹部を有し、外周を下方に曲げた
折り曲げ部を形成したことを特徴とする電気調理器の遮
熱装置。A cylindrical main body, a heating element provided in the main body, a pot placed on the heating element, a heat sensing device that senses the temperature of the pot, and a leg fixed to a bottom opening of the main body and integrated. a circuit storage box made of synthetic resin and having an opening at the top, and a control circuit unit that controls energization to the heating element in accordance with the temperature of the pot to which the heat-sensitive device is sensitive, in the circuit storage box. A hook for attaching a heat shield plate is provided on the top surface of the circuit storage box, and a mounting boss is provided at a position opposite to the hook. A heat shield plate is provided which forms a convex support part higher than the top surface of the circuit storage box and covers the entire top surface including the opening of the circuit storage box, and this heat shield plate has one end inserted into the hook part of the top surface of the circuit storage box. A hole is provided on the other end surface corresponding to the mounting boss on the top surface of the circuit storage box, and an upper recess is provided between the hole and the nail at the position of the support portion on the top surface of the circuit storage box. 1. A heat shielding device for an electric cooker, comprising: a bent portion having an outer periphery bent downward;