JP4137907B2 - rice cooker - Google Patents

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JP4137907B2
JP4137907B2 JP2005106669A JP2005106669A JP4137907B2 JP 4137907 B2 JP4137907 B2 JP 4137907B2 JP 2005106669 A JP2005106669 A JP 2005106669A JP 2005106669 A JP2005106669 A JP 2005106669A JP 4137907 B2 JP4137907 B2 JP 4137907B2
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frame
outer frame
upper frame
lid
hole
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JP2006280746A (en
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卓也 渡邊
一芳 関谷
善光 加藤
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Toshiba Home Technology Corp
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Description

本発明は、炊飯や保温を行なう炊飯器に関し、特に本体にハンドルを備えた炊飯器に関する。   The present invention relates to a rice cooker that performs rice cooking and heat insulation, and more particularly to a rice cooker having a main body with a handle.

一般に、この種の炊飯器は、鍋に相当する内釜を本体に収納自在とし、炊飯を行なうものが例えば特許文献1に開示されている。この特許文献1では、内釜を覆う蓋体などが設けられる。   In general, this type of rice cooker is disclosed in, for example, Patent Document 1 in which an inner pot corresponding to a pan is freely housed in a main body and rice is cooked. In this patent document 1, the cover body etc. which cover an inner hook are provided.

ところで近年は、炊飯器の外郭をなす本体を、上枠と外枠とにより形成するのが主流となっている。特許文献1にも開示されるように、本体にはハンドルが設けられる。このハンドルは、炊飯器を移動させるときに手で持つことができ、使用者にとって便利なものである。   By the way, in recent years, it has become mainstream to form the main body that forms the outline of the rice cooker with an upper frame and an outer frame. As disclosed in Patent Document 1, the main body is provided with a handle. This handle can be held by hand when moving the rice cooker and is convenient for the user.

ハンドルの本体への係合を、上枠だけで行なおうとすると、ハンドルの厚さ分、上枠の上側面における高さ寸法が大きくなり、炊飯器としての外観品位ひいては商品性を低下させることになる。   If the handle is engaged with the main body only with the upper frame, the height of the upper surface of the upper frame will be increased by the thickness of the handle, reducing the appearance quality as a rice cooker and consequently the merchantability. become.

また、炊飯器としての外観品位を向上するには、上枠の上側面の高さを極力短くすることが要求される。炊飯器の本体は、上枠の外側下面部と外枠の外側上面部とを対向させて構成されるが、外枠の外側上面部を内側に曲げ、この曲げ部の先端を上へ延ばすような段曲げ部を形成して、上枠に段曲げ部を差し込むような嵌合構造を採用すると、外枠の段曲げ部における上に延びた部分の高さ分だけ、上枠の上側面は大きな高さ寸法が必要となり、炊飯器の外観品位という点で好ましくない。そのため、外枠の外側上面部に段曲げ部を形成するのではなく、略環状の断面形状を有するカール部を形成することで、こうした不具合を回避している。この場合、外枠の外側上面部に形成したカール部を上枠の外側下面部に突き当て、上枠の外側下面部に前記カール部を抱え込むような引掛け部を局部的に設けることで、上枠と外枠との取付け構造が成り立っており、カール部を形成した外枠の外側上面部は、取付けの際に上枠の外側下面を押し付ける強さに負けない肉厚を有していればよく、上枠の外側下面を外枠の外側上面部で外方から覆うことで、上枠の上側面の高さを極めて小さくすることができる。
特開2000−70129号公報
Moreover, in order to improve the appearance quality as a rice cooker, it is required to shorten the height of the upper side surface of the upper frame as much as possible. The main body of the rice cooker is configured with the outer lower surface portion of the upper frame and the outer upper surface portion of the outer frame facing each other, but the outer upper surface portion of the outer frame is bent inward so that the tip of this bent portion extends upward. If a fitting structure that inserts a step bend into the upper frame is adopted, the upper side of the upper frame is the height of the portion extending upward in the step bend of the outer frame. A large height dimension is required, which is not preferable in terms of the appearance quality of the rice cooker. Therefore, such a problem is avoided by forming a curled portion having a substantially annular cross-sectional shape instead of forming a step bent portion on the outer upper surface portion of the outer frame. In this case, the curled portion formed on the outer upper surface portion of the outer frame is abutted against the outer lower surface portion of the upper frame, and a hooking portion is provided locally to hold the curled portion on the outer lower surface portion of the upper frame. The upper frame and the outer frame have a mounting structure, and the outer upper surface of the outer frame that forms the curled portion should have a thickness that does not lose the strength of pressing the outer lower surface of the upper frame during mounting. In other words, by covering the outer lower surface of the upper frame with the outer upper surface of the outer frame from the outside, the height of the upper surface of the upper frame can be made extremely small.
JP 2000-70129 A

しかし、上述した従来の本体とハンドルの軸支構造や、上枠と外枠との取付け構造には、次のような問題点があった。   However, the above-described conventional support structure for the main body and the handle and the mounting structure for the upper frame and the outer frame have the following problems.

上記構造では、外枠の外法への広がりを規制するものがなく、上枠と外枠との周長のズレや、製造時における寸法ばらつきなどにより、外枠の外周が上枠の外周より部分的にはみ出す場合が生じる。すると、上枠と外枠との取付部に局部的な隙間が生じ、その隙間から異物が本体内に容易に入り込んだり、異物除去のために本体の分解が必要になったりして、炊飯器としての外観品位が低下するだけでなく、製品としての商品価値も著しく低下する。   In the above structure, there is nothing that regulates the spread of the outer frame to the outer method, and the outer periphery of the outer frame is larger than the outer periphery of the upper frame due to deviations in the peripheral length of the upper frame and the outer frame, dimensional variations during manufacturing, etc. There is a case where it partially protrudes. Then, a local gap is generated in the attachment part between the upper frame and the outer frame, and foreign matter can easily enter the main body from the gap, or the main body needs to be disassembled to remove foreign matter, and the rice cooker As a result, not only the appearance quality is reduced, but also the commercial value of the product is significantly reduced.

また、上枠は本体の上面部を形成しているので、上枠に吊設される内釜や、内釜内の被炊飯物の重量を受けており、常時下向きの力が加わっている。この下向きの力は、上枠の外側下面に対向する外枠の外側上面にも同様に加わり、これが結果的に外枠を外方へ押し広げる力となって、外枠の外周が上枠の外周よりも局部的にはみ出す現象となりやすい。特に炊飯時に内釜内部を大気圧以上に加圧する圧力炊飯器では、本体の内部でより大きな力が発生するので、こうした現象がより顕著に現れる。   Moreover, since the upper frame forms the upper surface part of the main body, it receives the weight of the inner pot suspended from the upper frame and the cooked food in the inner pot, and a downward force is always applied. This downward force is also applied to the outer upper surface of the outer frame facing the outer lower surface of the upper frame, and this results in a force that pushes the outer frame outward, and the outer periphery of the outer frame is It tends to be a phenomenon that protrudes locally rather than the outer periphery. In particular, in a pressure rice cooker that pressurizes the interior of the inner pot above atmospheric pressure during rice cooking, a greater force is generated inside the main body, so this phenomenon appears more prominently.

このような外枠の外方への広がりを防止するには、外枠の外側上面部にカール部ではなく段曲げ部を形成すればよいが、その場合は上枠の上側面が大きな高さ寸法となって、炊飯器としての商品性が低下する。   In order to prevent such outward spreading of the outer frame, it is only necessary to form a stepped bent portion instead of a curled portion on the outer upper surface portion of the outer frame. In that case, the upper side surface of the upper frame has a large height. It becomes a dimension and the merchantability as a rice cooker falls.

その他では、コ字状の別部品を利用して、局部的に上枠と外枠とを結合する方法もあるが、別部材を製作するため材料費などコストアップの要因となり、これもまた好ましいものとはいえない。   In addition, there is a method of locally connecting the upper frame and the outer frame using a separate U-shaped part. However, since another member is manufactured, it causes a cost increase such as a material cost, which is also preferable. Not a thing.

そこで本発明は上記問題点に鑑み、外枠の局部的な広がりを防止しつつ、製品としての外観品位が高く、しかも製造コストを安価にできる炊飯器を提供することをその目的とする。   Therefore, in view of the above problems, an object of the present invention is to provide a rice cooker that has high appearance quality as a product and can be manufactured at low cost while preventing the outer frame from spreading locally.

本発明の請求項1における炊飯器では、上枠に対向して外枠が形成されているので、上枠の一部を外枠により外方から覆うことができ、炊飯器としての外観品位が向上する。また、内釜や内釜内の被炊飯物の重量などを受けて、外枠を外方へ押し広げる力が加わろうとしても、外枠に形成した折曲げ部が、上枠の内方にある掛け部に当接して、外枠がそれ以上外方に広がるのを規制する。したがって、外枠の外周が上枠の外周よりも局部的にはみ出す現象を回避でき、本体への異物の入り込みを防止できる。さらに、外枠の外方への広がりを規制する折曲げ部は、貫通孔を形成する際に生じる外枠の切片を切り抜かずに残すことで簡単に形成できるため、部品点数の増加を回避でき、製造コストを安価にできる。しかも、上枠に外枠を組み込んだ状態では、折曲げ部が掛け部と対向して配置されるので、組立作業性を向上できる。また、上枠に略環状部と嵌合する嵌合部を形成すれば、上枠の高さを極力短くできると共に、上枠と外枠とをより確実に取付け固定できる。また、外枠が外方へ押し広がろうとする力を、上枠の掛け部や差込み部が受け止めるので、上枠と略環状部との嵌合部分に無理な力を加えないようにすることができる。 In the rice cooker in Claim 1 of this invention, since the outer frame is formed facing the upper frame, a part of the upper frame can be covered from the outside by the outer frame, and the appearance quality as a rice cooker is improves. In addition, even if a force to push the outer frame outwards is applied due to the weight of the inner pot or the cooked rice in the inner pot, the bent part formed on the outer frame It abuts against a certain hanging portion to restrict the outer frame from spreading further outward. Therefore, the phenomenon that the outer periphery of the outer frame protrudes locally from the outer periphery of the upper frame can be avoided, and foreign matter can be prevented from entering the main body. In addition, the bent part that regulates the outward spread of the outer frame can be easily formed by leaving the outer frame section that occurs when the through-hole is formed without being cut out, thereby avoiding an increase in the number of parts. The manufacturing cost can be reduced. In addition, in a state where the outer frame is incorporated in the upper frame, the bent portion is arranged to face the hanging portion, so that the assembly workability can be improved. Further, if a fitting portion that fits with the substantially annular portion is formed on the upper frame, the height of the upper frame can be shortened as much as possible, and the upper frame and the outer frame can be more securely attached and fixed. Also, the force that the outer frame pushes outwards is received by the hook and insertion part of the upper frame, so do not apply excessive force to the fitting part between the upper frame and the substantially annular part. Can do.

本発明の請求項2における炊飯器では、上枠に対向して外枠が形成されているので、上枠の一部を外枠により外方から覆うことができ、炊飯器としての外観品位が向上する。また、内釜や内釜内の被炊飯物の重量などを受けて、外枠を外方へ押し広げる力が加わろうとしても、外枠に形成した折曲げ部の係止部が、上枠の内方にある差込み部に当接して、外枠がそれ以上外方に広がるのを規制する。したがって、外枠の外周が上枠の外周よりも局部的にはみ出す現象を回避でき、本体への異物の入り込みを防止できる。さらに、外枠の外方への広がりを規制する係止部付きの折曲げ部は、貫通孔を形成する際に生じる外枠の切片を切り抜かずに残すことで簡単に形成できるため、部品点数の増加を回避でき、製造コストを安価にできる。また、上枠に略環状部と嵌合する嵌合部を形成すれば、上枠の高さを極力短くできると共に、上枠と外枠とをより確実に取付け固定できる。また、外枠が外方へ押し広がろうとする力を、上枠の掛け部や差込み部が受け止めるので、上枠と略環状部との嵌合部分に無理な力を加えないようにすることができる。 In the rice cooker in Claim 2 of this invention, since the outer frame is formed facing the upper frame, a part of the upper frame can be covered from the outside by the outer frame, and the appearance quality as a rice cooker is improves. Also, even if a force to push the outer frame outward is applied due to the weight of the inner pot or the cooked food in the inner pot, the locking part of the bent part formed on the outer frame It abuts on the inward insertion portion of the, and restricts the outer frame from spreading further outward. Therefore, the phenomenon that the outer periphery of the outer frame protrudes locally from the outer periphery of the upper frame can be avoided, and foreign matter can be prevented from entering the main body. In addition, the bent part with the locking part that regulates the outward spread of the outer frame can be easily formed by leaving the section of the outer frame generated when forming the through hole without being cut out. Can be avoided, and the manufacturing cost can be reduced. Further, if a fitting portion that fits with the substantially annular portion is formed on the upper frame, the height of the upper frame can be shortened as much as possible, and the upper frame and the outer frame can be more securely attached and fixed. Also, the force that the outer frame pushes outwards is received by the hook and insertion part of the upper frame, so do not apply excessive force to the fitting part between the upper frame and the substantially annular part. Can do.

本発明の請求項における炊飯器では、上枠に対向して外枠が形成されているので、上枠の一部を外枠により外方から覆うことができ、炊飯器としての外観品位が向上する。また、内釜や内釜内の被炊飯物の重量などを受けて、外枠を外方へ押し広げる力が加わろうとしても、外枠に形成した折曲げ部が、枠板に設けた掛け部に当接して、外枠がそれ以上外方に広がるのを規制する。したがって、外枠の外周が上枠の外周よりも局部的にはみ出す現象を回避でき、本体への異物の入り込みを防止できる。さらに、外枠の外方への広がりを規制する折曲げ部は、貫通孔を形成する際に生じる外枠の切片を切り抜かずに残すことで簡単に形成できるため、部品点数の増加を回避でき、製造コストを安価にできる。しかも、上枠に外枠を組み込んだ状態では、折曲げ部が掛け部と対向して配置されるので、組立作業性を向上できる。また、上枠に略環状部と嵌合する嵌合部を形成すれば、上枠の外側下面部の高さを極力短くできると共に、上枠と外枠とをより確実に取付け固定できる。また、外枠が外方へ押し広がろうとする力を、枠板の引掛け部や差込み部が受け止めるので、上枠と略環状部との嵌合部分に無理な力を加えないようにすることができる。 In the rice cooker in Claim 3 of this invention, since the outer frame is formed facing the upper frame, a part of the upper frame can be covered from the outside by the outer frame, and the appearance quality as a rice cooker is improves. In addition, even if a force to push the outer frame outward is applied in response to the weight of the inner pot or the cooked rice in the inner pot, the bent part formed on the outer frame is not hung on the frame plate. Abutting on the part restricts the outer frame from spreading further outward. Therefore, the phenomenon that the outer periphery of the outer frame protrudes locally from the outer periphery of the upper frame can be avoided, and foreign matter can be prevented from entering the main body. In addition, the bent part that regulates the outward spread of the outer frame can be easily formed by leaving the outer frame section that occurs when the through-hole is formed without being cut out, thereby avoiding an increase in the number of parts. The manufacturing cost can be reduced. In addition, in a state where the outer frame is incorporated in the upper frame, the bent portion is arranged to face the hanging portion, so that the assembly workability can be improved. In addition, if the fitting portion that fits the substantially annular portion is formed on the upper frame, the height of the outer lower surface portion of the upper frame can be shortened as much as possible, and the upper frame and the outer frame can be more securely attached and fixed. In addition, the force that the outer frame pushes outward is received by the hooking part and the insertion part of the frame plate, so that excessive force is not applied to the fitting part between the upper frame and the substantially annular part. be able to.

本発明の請求項における炊飯器では、上枠に対向して外枠が形成されているので、上枠の一部を外枠により外方から覆うことができ、炊飯器としての外観品位が向上する。また、内釜や内釜内の被炊飯物の重量などを受けて、外枠を外方へ押し広げる力が加わろうとしても、外枠に形成した折曲げ部の係止部が、枠板に設けた差込み部に当接して、外枠がそれ以上外方に広がるのを規制する。したがって、外枠の外周が上枠の外周よりも局部的にはみ出す現象を回避でき、本体への異物の入り込みを防止できる。さらに、外枠の外方への広がりを規制する係止部付きの折曲げ部は、貫通孔を形成する際に生じる外枠の切片を切り抜かずに残すことで簡単に形成できるため、部品点数の増加を回避でき、製造コストを安価にできる。 In the rice cooker in Claim 4 of this invention, since the outer frame is formed facing the upper frame, a part of the upper frame can be covered from the outside by the outer frame, and the appearance quality as a rice cooker is improves. In addition, even if a force to push the outer frame outward is applied in response to the weight of the inner pot or the cooked rice in the inner pot, the locking part of the bent part formed on the outer frame is It abuts against the insertion part provided on the outer frame to restrict the outer frame from spreading further outward. Therefore, the phenomenon that the outer periphery of the outer frame protrudes locally from the outer periphery of the upper frame can be avoided, and foreign matter can be prevented from entering the main body. In addition, the bent part with the locking part that regulates the outward spread of the outer frame can be easily formed by leaving the section of the outer frame generated when forming the through hole without being cut out. Can be avoided, and the manufacturing cost can be reduced.

本発明の請求項における炊飯器では、上枠に略環状部と嵌合する嵌合部を形成すれば、上枠の外側下面部の高さを極力短くできると共に、上枠と外枠とをより確実に取付け固定できる。また、外枠が外方へ押し広がろうとする力を、枠板の引掛け部や差込み部が受け止めるので、上枠と略環状部との嵌合部分に無理な力を加えないようにすることができる。 In the rice cooker according to claim 5 of the present invention, if the fitting portion that fits the substantially annular portion is formed on the upper frame, the height of the outer lower surface portion of the upper frame can be shortened as much as possible, and the upper frame and the outer frame. Can be installed and fixed more securely. Also, the force which the outer frame is going to spread press outward, so engaging portion and the insertion portion of the frame plate receive, so as not to apply excessive force to the fitting portion between the upper frame and the Ryakuwa shaped portion can do.

本発明の請求項における炊飯器では、補強部材としての枠板を利用して、この枠板に設けた受部にも、ヒンジ部の連結手段を貫通させているので、枠板により受部ひいては製品としての強度を向上させることができる。 In the rice cooker according to the sixth aspect of the present invention, the frame plate as the reinforcing member is used, and the connecting portion of the hinge portion is also passed through the receiving portion provided on the frame plate. As a result, the strength as a product can be improved.

本発明の請求項1における炊飯器によれば、外枠の局部的な広がりを防止しつつ、製品としての外観品位が高く、しかも製造コストを安価にできると共に、組立作業性を向上できる。また、上枠の外側下面部の高さを極力短くできると共に、上枠と外枠とをより確実に取付け固定でき、さらに上枠と略環状部との嵌合部分に無理な力を加えないようにすることができる。 According to the rice cooker according to claim 1 of the present invention, the appearance quality as a product is high, the manufacturing cost can be reduced, and the assembling workability can be improved while preventing a local spread of the outer frame. In addition, the height of the outer lower surface portion of the upper frame can be shortened as much as possible, the upper frame and the outer frame can be more securely attached and fixed, and no excessive force is applied to the fitting portion between the upper frame and the substantially annular portion. Can be.

本発明の請求項2における炊飯器によれば、外枠の局部的な広がりを防止しつつ、製品としての外観品位が高く、しかも製造コストを安価にできる。また、上枠の外側下面部の高さを極力短くできると共に、上枠と外枠とをより確実に取付け固定でき、さらに上枠と略環状部との嵌合部分に無理な力を加えないようにすることができる。 According to the rice cooker in claim 2 of the present invention, the appearance quality as a product is high and the manufacturing cost can be reduced while preventing the outer frame from spreading locally. In addition, the height of the outer lower surface portion of the upper frame can be shortened as much as possible, the upper frame and the outer frame can be more securely attached and fixed, and no excessive force is applied to the fitting portion between the upper frame and the substantially annular portion. Can be.

本発明の請求項における炊飯器によれば、外枠の局部的な広がりを防止しつつ、製品としての外観品位が高く、しかも製造コストを安価にできると共に、組立作業性を向上できる。また、上枠の外側下面部の高さを極力短くできると共に、上枠と外枠とをより確実に取付け固定でき、さらに上枠と略環状部との嵌合部分に無理な力を加えないようにすることができる。 According to the rice cooker in claim 3 of the present invention, the appearance quality as a product is high, the manufacturing cost can be reduced, and the assembling workability can be improved while preventing the outer frame from spreading locally. In addition, the height of the outer lower surface portion of the upper frame can be shortened as much as possible, the upper frame and the outer frame can be more securely attached and fixed, and no excessive force is applied to the fitting portion between the upper frame and the substantially annular portion. Can be.

本発明の請求項における炊飯器によれば、外枠の局部的な広がりを防止しつつ、製品としての外観品位が高く、しかも製造コストを安価にできる。 According to the rice cooker in claim 4 of the present invention, the appearance quality as a product is high and the manufacturing cost can be reduced while preventing the local spread of the outer frame.

本発明の請求項における炊飯器によれば、上枠の外側下面部の高さを極力短くできると共に、上枠と外枠とをより確実に取付け固定でき、さらに上枠と略環状部との嵌合部分に無理な力を加えないようにすることができる。 According to the rice cooker in claim 5 of the present invention, the height of the outer lower surface portion of the upper frame can be shortened as much as possible, the upper frame and the outer frame can be more securely attached and fixed, and the upper frame and the substantially annular portion. It is possible to prevent an excessive force from being applied to the fitting portion.

本発明の請求項における炊飯器によれば、枠板により製品としての強度を向上させることができる。 According to the rice cooker in Claim 6 of this invention, the intensity | strength as a product can be improved with a frame board.

以下、添付図面を参照しながら、本発明における炊飯器の好ましい各実施例を説明する。   Hereinafter, preferred embodiments of the rice cooker according to the present invention will be described with reference to the accompanying drawings.

まず、図8及び図9に基づき、本発明の一例である炊飯器の構成について説明する。この炊飯器の構成は、以下に説明する各実施例に共通するものである。   First, based on FIG.8 and FIG.9, the structure of the rice cooker which is an example of this invention is demonstrated. The structure of this rice cooker is common to each Example demonstrated below.

同図において、1は炊飯器の外郭をなす本体で、この本体1は、その上面と上側面を構成する上枠2と、側面を構成するほぼ筒状の外枠3とにより形成され、外枠3の底部開口を覆う底板4が設けられている。そして、上枠2や底板4は、PP(ポリプロピレン)などの合成樹脂で形成される一方で、外枠3は清掃性や外観品位を向上させるために、例えばステンレスなどの金属部材で形成される。また、上枠2の上面内周部から一体に垂下させて形成されるほぼ筒状の鍋収容部6と、この鍋収容部6の下面開口を覆って設けられ、PET(ポリエチレンテレフタレート)などの合成樹脂で形成される内枠8とにより、後述する鍋11を収納する有底筒状で非磁性材料からなる鍋収容体9が形成される。   In the figure, reference numeral 1 denotes a main body that forms the outline of a rice cooker. This main body 1 is formed by an upper frame 2 that constitutes an upper surface and an upper side surface thereof, and a substantially cylindrical outer frame 3 that constitutes a side surface. A bottom plate 4 that covers the bottom opening of the frame 3 is provided. The upper frame 2 and the bottom plate 4 are formed of a synthetic resin such as PP (polypropylene), while the outer frame 3 is formed of a metal member such as stainless steel, for example, in order to improve cleanability and appearance quality. . Moreover, it is provided covering the bottom opening of the substantially cylindrical pan accommodating portion 6 formed integrally from the inner peripheral portion of the upper surface of the upper frame 2 and the pan accommodating portion 6, such as PET (polyethylene terephthalate). The inner frame 8 formed of a synthetic resin forms a pan container 9 made of a nonmagnetic material and having a bottomed cylindrical shape for accommodating a pan 11 described later.

前記鍋収容体9内には、米や水などの被炊飯物を収容する有底筒状の鍋11が着脱自在に収容される。この鍋11は、熱伝導性のよいアルミニウムを主材料とした鍋本体12と、この鍋本体12の外面の側面下部から底面部にかけて接合されたフェライト系ステンレスなどの磁性金属板からなる発熱体13とにより構成される。鍋11の側面中央から上部に発熱体13を設けないのは、鍋11の軽量化を図るためである。また、鍋11の上端周囲には、その外周側に延出する円環状のフランジ部14が形成されている。なお、鍋収容部6の外周には過熱手段を設けない構成となっている。   In the pot housing 9, a bottomed cylindrical pot 11 for storing a rice to be cooked such as rice or water is detachably accommodated. This pan 11 is a pan body 12 mainly made of aluminum with good thermal conductivity, and a heating element 13 composed of a magnetic metal plate such as ferritic stainless steel joined from the lower side to the bottom of the outer surface of the pan body 12. It consists of. The reason why the heating element 13 is not provided from the center to the top of the side surface of the pan 11 is to reduce the weight of the pan 11. An annular flange portion 14 is formed around the upper end of the pan 11 so as to extend to the outer periphery thereof. In addition, it is the structure which does not provide an overheating means in the outer periphery of the pan accommodating part 6. FIG.

前記内枠8は、鍋11の発熱体13に対向して位置しているが、この内枠8の外面の発熱体13に対向する側面下部および底面部には、鍋11の特に底部を電磁誘導加熱する加熱手段としての加熱コイル16が設けられている。そして、この加熱コイル16に高周波電流を供給すると、加熱コイル16から発生する交番磁界によって鍋11の発熱体13が発熱し、鍋11ひいては鍋11内の水や米などの被炊飯物が加熱されるようになっている。   The inner frame 8 is positioned to face the heating element 13 of the pan 11, but the bottom part of the pot 11, particularly the bottom part, is electromagnetically placed on the lower side and bottom part of the outer surface of the inner frame 8 facing the heating element 13. A heating coil 16 is provided as a heating means for induction heating. When a high-frequency current is supplied to the heating coil 16, the heating element 13 of the pan 11 is heated by the alternating magnetic field generated from the heating coil 16, and the cooked rice such as water and rice in the pan 11 and the pan 11 is heated. It has become so.

また、内枠8の底部中央部には、鍋11の底部外面と弾発的に接触するように、鍋温度検出手段としての温度センサ21が配置され、鍋11の温度を検知し、加熱コイル16による鍋11の底部の加熱温度を主に温度管理するようになっている。   In addition, a temperature sensor 21 serving as a pan temperature detecting means is disposed in the center of the bottom of the inner frame 8 so as to elastically contact the outer surface of the bottom of the pan 11, and detects the temperature of the pan 11. The heating temperature of the bottom of the pan 11 by 16 is mainly controlled.

前記鍋収容体9の上端には、鍋11の側面上部、特にフランジ部14を加熱するためのコードヒータ26が、鍋11のフランジ部14の下側に位置して円環状に配置されている。このコードヒータ26は電熱式ヒータからなり、鍋収容体9の上端に載置するようにして取り付けられた熱放散抑止部材としてのヒータリング27上に保持されると共に、コードヒータ26を上から覆うようにしてヒータリング27に取り付けられ、かつ熱伝導性に優れた例えばアルミ板からなる固定金具と放熱部とを兼用する金属板29を備えて、フランジヒータを構成している。この金属板29は、炊飯器本体1と蓋体31との隙間に対向して位置している。そして、前記金属板29の上面に鍋11のフランジ部14の下面が載置し、これにより、鍋11が本体1の上枠2に吊られた状態で、鍋収容体9内に収容されるようになっている。したがって、鍋11とこの鍋11が収容された鍋収容体9の上端との間における隙間がほとんどない構成になる。しかも、鍋11のフランジ部14は、外形がコードヒータ26と同等以上の大きさに形成されており、これにより、コードヒータ26が鍋11のフランジ部14で上から覆われるようになっている。但し、図示していないが、鍋11の持ち手部(フランジ部14)は非接触にし、部分的に隙間を形成することで、鍋11の外面に水が付着した状態で炊飯したときに、当該隙間から蒸気が排出されるようにしてある。   A cord heater 26 for heating the upper part of the side surface of the pan 11, in particular, the flange portion 14, is arranged in an annular shape at the upper end of the pan housing 9, located below the flange portion 14 of the pan 11. . The cord heater 26 is composed of an electric heater, and is held on a heater ring 27 as a heat dissipation suppressing member mounted so as to be placed on the upper end of the pot housing 9 and covers the cord heater 26 from above. In this way, a flange heater is configured by including the metal plate 29 attached to the heater ring 27 and having both a fixing metal member made of, for example, an aluminum plate having excellent heat conductivity and a heat radiating portion. The metal plate 29 is located opposite to the gap between the rice cooker body 1 and the lid 31. Then, the lower surface of the flange portion 14 of the pan 11 is placed on the upper surface of the metal plate 29, whereby the pan 11 is accommodated in the pan accommodating body 9 while being hung on the upper frame 2 of the main body 1. It is like that. Therefore, there is almost no gap between the pan 11 and the upper end of the pan housing 9 in which the pan 11 is housed. Moreover, the flange portion 14 of the pan 11 has an outer shape that is equal to or greater than the size of the cord heater 26, so that the cord heater 26 is covered with the flange portion 14 of the pan 11 from above. . However, although not shown in the drawing, the handle portion (flange portion 14) of the pan 11 is made non-contact, and by partially forming a gap, when cooking rice with water attached to the outer surface of the pan 11, Steam is discharged from the gap.

前記蓋体31は、その後部において、本体1と連結するヒンジ部32を設けている。ヒンジ部32は回転軸としてのシャフト33を備えており、このシャフト33に巻装されたヒンジばね(図示せず)の力により、シャフト33を支点として蓋体31を開く方向に付勢している。また、上枠2の前部上側に設けられたクランプ36に、蓋体31の前部に配置されたフック部37が係脱自在に係合することにより、前記ヒンジばねの力に抗して蓋体31が閉じた状態に保持されるようになっている。   The lid body 31 is provided with a hinge portion 32 connected to the main body 1 at a rear portion thereof. The hinge portion 32 includes a shaft 33 as a rotating shaft, and the force of a hinge spring (not shown) wound around the shaft 33 urges the lid 31 in the opening direction with the shaft 33 as a fulcrum. Yes. Further, the hook portion 37 disposed at the front portion of the lid 31 is detachably engaged with the clamp 36 provided on the upper front portion of the upper frame 2, thereby resisting the force of the hinge spring. The lid 31 is held in a closed state.

蓋体31は、その上面外殻を形成する例えばプラスチック製の外蓋41と、外蓋41の状面開口部を塞ぐ三次元形状の金属蓋42と、蓋体31の内面である下面を形成する蓋下面材としての放熱板43と、外蓋41および放熱板43を結合させて蓋体31の骨格を形成する蓋ベース材としての外蓋カバー44とを主たる構成要素としている。また、蓋体31の内面である下面には、この下面との間に所定の隙間を形成して、前記鍋11の上部開口部を直接覆う内蓋47が着脱自在に装着される。前記放熱板43および内蓋47はともに金属製であり、例えば、ステンレスやアルミニウムをアルマイトした材料からなっている。また、前記内蓋47の外周部には、前記フック部37を形成したパッキンベース48が固定されており、パッキンベース48と内蓋47とにより挟まれて蓋パッキン49が固定されている。これにより、内蓋47と蓋パッキン49はパッキンベース48で一体化され、蓋パッキン49も内蓋47と共に蓋体31の内面に着脱可能に設けられる。蓋パッキン49は、シリコーンゴムやフッ素ゴムなどの弾性部材により環状に形成され、前記鍋11のフランジ部14の上面に当接してこの鍋11と内蓋47との間の隙間を塞ぎ、鍋11から発生する蒸気を密閉するものである。そして、蓋パッキン49における鍋11への当接部は、フランジ部14を挟んで前記コードヒータ26に対向している。   The lid 31 forms, for example, a plastic outer lid 41 that forms the upper shell of the upper surface, a three-dimensional metal lid 42 that closes the opening of the outer surface of the outer lid 41, and a lower surface that is the inner surface of the lid 31. The main components are a heat radiating plate 43 as a lid lower surface material and an outer lid cover 44 as a lid base material that combines the outer lid 41 and the heat radiating plate 43 to form the skeleton of the lid 31. An inner lid 47 that directly covers the upper opening of the pan 11 is detachably mounted on the lower surface, which is the inner surface of the lid 31, with a predetermined gap formed between the lower surface and the lower surface. The heat radiating plate 43 and the inner lid 47 are both made of metal, and are made of, for example, a material obtained by anodizing stainless steel or aluminum. Further, a packing base 48 in which the hook portion 37 is formed is fixed to the outer peripheral portion of the inner lid 47, and a lid packing 49 is fixed by being sandwiched between the packing base 48 and the inner lid 47. As a result, the inner lid 47 and the lid packing 49 are integrated by the packing base 48, and the lid packing 49 is also detachably provided on the inner surface of the lid body 31 together with the inner lid 47. The lid packing 49 is formed in an annular shape by an elastic member such as silicone rubber or fluororubber, and abuts against the upper surface of the flange portion 14 of the pan 11 to close the gap between the pan 11 and the inner lid 47. It seals the steam generated from the. A contact portion of the lid packing 49 with the pan 11 is opposed to the cord heater 26 with the flange portion 14 interposed therebetween.

また、前記蓋体31の内部にあって、放熱板43の上面には、蓋加熱手段としての蓋ヒータ51が設けられている。この蓋ヒータ51は、コードヒータなどの電熱式ヒータや、電磁誘導加熱式による加熱コイルでもよい。さらに前記放熱板43には、蓋体31の特に内蓋47の温度を検知する蓋温度検知手段として、蓋ヒータ51による内蓋47の温度管理を行なうためのサーミスタ式の蓋温度センサ52が設けられていている。前記蓋体31の上面中央部には、鍋11内で発生した蒸気を外部へ放出するための蒸気口53が、蓋体31の上面側から着脱可能に取り付けられている。また、前記放熱板43および内蓋47における蒸気口53の下方の位置には、蒸気の通過用の開口孔がそれぞれ開口形成されており、蒸気口53の下端部には蒸気口パッキン54が設けられている。   A lid heater 51 as a lid heating means is provided on the upper surface of the heat radiating plate 43 inside the lid body 31. The lid heater 51 may be an electric heater such as a cord heater or an electromagnetic induction heating type heating coil. Further, the radiator plate 43 is provided with a thermistor-type lid temperature sensor 52 for controlling the temperature of the inner lid 47 by the lid heater 51 as a lid temperature detecting means for detecting the temperature of the inner lid 47 of the lid 31 in particular. It has been. A steam port 53 for releasing steam generated in the pan 11 to the outside is detachably attached to the center of the top surface of the lid 31 from the top surface side of the lid 31. Further, in the heat sink 43 and the inner lid 47, a steam passage opening is formed at a position below the steam port 53, and a steam port packing 54 is provided at the lower end of the steam port 53. It has been.

前記本体1の前部には操作パネル55が設けられている。この操作パネル55の内側には時間や選択したメニューを表示するLCD56や、他にいずれも図示しないが、現在の行程を表示するLEDや、炊飯を開始させたり、メニューを選択させるためのスイッチなどを表示基板57の表面に実装した表示部58が配設される。操作部に相当する操作パネル55はボタン名などを表示するもので、電子部品である制御手段にほこりや水が付着することも防止している。なお、操作パネル55を蓋体31の正面側に設けてもよい。   An operation panel 55 is provided at the front of the main body 1. Inside this operation panel 55 is an LCD 56 that displays the time and the selected menu, although not shown in the figure, an LED that displays the current process, a switch for starting rice cooking, and selecting a menu, etc. Is mounted on the surface of the display substrate 57. The operation panel 55 corresponding to the operation unit displays a button name and the like, and prevents dust and water from adhering to the control means which is an electronic component. The operation panel 55 may be provided on the front side of the lid 31.

61は、本体1の内部後方に設けられた加熱制御手段である。この加熱制御手段61は、加熱手段である加熱コイル16を駆動させるための発熱素子(図示せず)を基板に備えて構成される。この加熱コイル16を駆動する素子は、加熱コイル16の発振と共に加熱されるが、動作状態を保証する使用条件温度を有するので、一定温度以下で使用する必要がある。そのために、加熱コイル16を駆動する素子は、例えばアルミニウムのような熱伝導性の良好な材料で構成されるフィン状の放熱器62に熱的に接続され、冷却手段である冷却ファン63から発する風を放熱器62に当てて熱を奪うことにより、使用条件温度内で素子を駆動するようにしている。   61 is a heating control means provided in the rear side of the main body 1. The heating control means 61 includes a heating element (not shown) for driving the heating coil 16 which is a heating means provided on the substrate. The element that drives the heating coil 16 is heated along with the oscillation of the heating coil 16, but has a use condition temperature that guarantees the operating state, and therefore needs to be used at a certain temperature or lower. For this purpose, the element that drives the heating coil 16 is thermally connected to a fin-like radiator 62 made of a material having good thermal conductivity, such as aluminum, and emits from a cooling fan 63 that is a cooling means. The element is driven within the operating condition temperature by applying the wind to the heat radiator 62 to remove the heat.

冷却ファン63は、加熱制御手段61に取り付けられた放熱器62の下方、若しくは側部に配置されている。また、本体1の底部若しくは側部には、冷却ファン63から発し、加熱制御手段61に取り付けられた放熱器62から熱を奪って温かくなった風を、本体1の外部へ排出するための孔64が複数設けられている。加熱制御手段61は製品内部すなわち本体1内に収納されるが、鍋11の外周囲のどの位置に配置してもよい。また、本体1の底部若しくは側部に設けた孔64も、どの位置に配置してもよい。しかし、近年は製品の小形化設計が求められている背景もあり、加熱制御手段61や冷却ファン63と、温かな風を排出する孔64は、鍋11をはさんで略反対位置に配置するのが好ましい。   The cooling fan 63 is disposed below or on the side of the radiator 62 attached to the heating control means 61. In addition, a hole for discharging the warm air from the radiator 62 attached to the heating control means 61 to the outside of the main body 1 is formed in the bottom or side of the main body 1. A plurality of 64 are provided. The heating control means 61 is housed inside the product, that is, in the main body 1, but may be disposed at any position on the outer periphery of the pan 11. Moreover, the hole 64 provided in the bottom part or the side part of the main body 1 may be arranged at any position. However, in recent years, there is a demand for miniaturization of products, and the heating control means 61 and the cooling fan 63 and the hole 64 for discharging warm air are arranged at approximately opposite positions across the pan 11. Is preferred.

本体1の内部には、電源プラグ(図示せず)を巻き取るためのコードリール66が設けられる。また67は、本体1の両側部を跨ぐように設けられた運搬用の回転可能なハンドルである。上枠2の後部にはハンドル掛け部68が一体的に形成されており、ハンドル67を後方に倒したときに、ハンドル掛け部68にハンドル67の下面が当接して、当該ハンドル67が略水平状態に保持されるようになっている。なお、本体1とハンドル67との取付け構造は、後ほど各実施例で詳しく説明する。   A cord reel 66 for winding a power plug (not shown) is provided inside the main body 1. Reference numeral 67 denotes a rotatable handle for transportation provided so as to straddle both sides of the main body 1. A handle hanging portion 68 is formed integrally with the rear portion of the upper frame 2, and when the handle 67 is tilted backward, the lower surface of the handle 67 abuts on the handle hanging portion 68 so that the handle 67 is substantially horizontal. It is designed to be held in a state. The mounting structure of the main body 1 and the handle 67 will be described in detail later in each embodiment.

次に制御系統について、図10を参照しながら説明する。同図において、71は前述の加熱制御手段で、これは前記鍋温度センサ21および蓋温度センサ52からの各温度情報を受信して、炊飯時および保温時に鍋11の底部を加熱する加熱コイル16と、鍋11の側部を加熱するコードヒータ26と、蓋体31を加熱する蓋ヒータ51とを各々制御するものである。特に本実施例の加熱制御手段61は、鍋温度センサ21の検出温度に基づいて主に加熱コイル16が制御されて鍋11の底部を温度管理し、蓋温度センサ52の検出温度に基づいて主に蓋ヒータ51が制御されて放熱板43ひいては内蓋47を温度管理するようになっている。加熱制御手段61は、自身の記憶手段(図示せず)に記憶されたプログラムの制御シーケンス上の機能として、被調理物の調理加熱を制御する調理制御手段を備えており、ここでは炊飯時に前記鍋11内の被調理物を炊飯加熱する炊飯制御手段70と、保温時に鍋11内のご飯を所定の保温温度に保温加熱する保温制御手段71とをそれぞれ備えている。   Next, the control system will be described with reference to FIG. In the same figure, 71 is the above-mentioned heating control means, which receives each temperature information from the pan temperature sensor 21 and the lid temperature sensor 52, and heats the bottom of the pan 11 during cooking and keeping warm. The cord heater 26 that heats the side portion of the pan 11 and the lid heater 51 that heats the lid 31 are respectively controlled. In particular, the heating control means 61 of the present embodiment mainly controls the heating coil 16 based on the temperature detected by the pan temperature sensor 21 to manage the temperature of the bottom of the pan 11, and based on the temperature detected by the lid temperature sensor 52. The lid heater 51 is controlled to control the temperature of the heat radiating plate 43 and thus the inner lid 47. The heating control means 61 includes cooking control means for controlling cooking heating of the cooking object as a function on the control sequence of the program stored in its storage means (not shown). Rice cooking control means 70 that cooks and heats the food to be cooked in the pan 11, and heat retention control means 71 that heats and heats the rice in the pot 11 to a predetermined heat retention temperature during heat insulation, respectively.

72は、加熱制御手段61からの制御信号を受けて、加熱コイル16に所定の高周波電流を供給する高周波インバータ回路などを内蔵した加熱コイル駆動手段である。またこれとは別に、加熱制御手段61の出力側には、加熱制御手段61からの制御信号を受けて、放熱板43や内蓋47を加熱するように蓋ヒータ51を駆動させる蓋ヒータ駆動手段73と、加熱制御手段61からの制御信号を受けてコードヒータ26をオンにするコードヒータ駆動手段74が各々設けられる。前記炊飯制御手段70による炊飯時、および保温制御手段71による保温時には、鍋温度センサ21と蓋温度センサ52からの各温度検出により、加熱コイル16による鍋11の底部への加熱と、コードヒータ26による鍋11の側面への加熱と、蓋ヒータ51による蓋体31への加熱が行なわれるように構成する。また、前記炊飯制御手段70による炊飯が終了し、鍋11内の被調理物がご飯として炊き上がった後は、保温制御手段71による保温に自動的に移行し、鍋温度センサ21の検知温度に基づき、加熱コイル11やコードヒータ26による鍋11への加熱を調節することで、ご飯を所定の保温温度(約70℃〜76℃)に保温するように構成している。   Reference numeral 72 denotes a heating coil driving means that incorporates a high-frequency inverter circuit that receives a control signal from the heating control means 61 and supplies a predetermined high-frequency current to the heating coil 16. Separately from this, the output side of the heating control means 61 receives a control signal from the heating control means 61 and drives the lid heater 51 so as to heat the radiator plate 43 and the inner lid 47. 73 and code heater driving means 74 for turning on the code heater 26 in response to a control signal from the heating control means 61 are provided. At the time of cooking by the rice cooking control means 70 and at the time of heat insulation by the heat insulation control means 71, heating to the bottom of the pan 11 by the heating coil 16 and the code heater 26 by detecting the temperature from the pan temperature sensor 21 and the lid temperature sensor 52. The heating is performed on the side surface of the pan 11 and the lid body 31 is heated by the lid heater 51. In addition, after the rice cooking by the rice cooking control means 70 is finished and the cooked food in the pan 11 is cooked as rice, it automatically shifts to heat insulation by the heat insulation control means 71, and the temperature detected by the pot temperature sensor 21 is reached. Based on this, by adjusting the heating of the pan 11 by the heating coil 11 and the cord heater 26, the rice is kept at a predetermined temperature (about 70 ° C. to 76 ° C.).

特に前記コードヒータ26による加熱について補足説明すると、炊飯後にご飯の温度が約100℃から約73℃の保温温度に低下するまでと、約73℃の保温安定時に、コードヒータ26を発熱させて、蓋体31と本体1との隙間の空間に金属板29から熱放射して、この隙間からの外気の侵入による冷えを抑制すると共に、鍋11のフランジ部14を加熱する。また、保温時にご飯を再加熱する期間にもコードヒータ26により鍋11のフランジ部14を加熱し、ご飯の加熱により発生する水分が鍋11の内面上部に結露することを防止するように構成している。   In particular, supplementary explanation about the heating by the cord heater 26, until the temperature of the rice is lowered from about 100 ° C. to about 73 ° C. after the rice cooking, and when the temperature is stable at about 73 ° C., the code heater 26 is heated, Heat is radiated from the metal plate 29 into the space between the lid 31 and the main body 1 to suppress cooling due to intrusion of outside air from the gap, and the flange portion 14 of the pan 11 is heated. In addition, the cord heater 26 also heats the flange portion 14 of the pan 11 during the period when the rice is reheated during heat insulation, so that moisture generated by heating the rice is prevented from condensing on the upper part of the inner surface of the pan 11. ing.

次に、上記構成についてその作用を説明する。鍋11内に被調理物である米および水を入れて、炊飯制御手段70による炊飯を開始すると、鍋温度センサ21による鍋11の底部の温度検知に基づいて、加熱コイル16とコードヒータ26で鍋11の底部と側面部をそれぞれ加熱し、鍋11内の水温を約45〜60℃に15〜20分間保持するひたし炊きが行なわれる。その後、加熱コイル16により鍋11を強加熱し、被調理物への沸騰加熱を行なう。この沸騰加熱時に鍋11の底部の温度が90℃以上になり、蓋体31の温度が90℃以上で安定したら、鍋11内が沸騰状態になったものとして、それまでよりも加熱量を低減した沸騰継続加熱に移行する。なお、蓋体31の温度が90℃以上で安定したことは、蓋温度センサ52からの検出温度の温度上昇率により検知される。また、この沸騰検知において、鍋温度センサ21と蓋温度センサ52とにより、鍋11の底部および蓋体31がいずれも90℃以上になったことを確認でき、完全に鍋11内が沸騰したことを精度よく検知できる。   Next, the effect | action is demonstrated about the said structure. When rice and water that are to be cooked are put into the pan 11 and rice cooking by the rice control means 70 is started, the heating coil 16 and the cord heater 26 are used based on the temperature detection of the bottom of the pan 11 by the pan temperature sensor 21. The bottom part and side part of the pan 11 are heated, respectively, and the water temperature in the pan 11 is kept at about 45 to 60 ° C. for 15 to 20 minutes. After that, the pan 11 is heated strongly by the heating coil 16 to boil the cooking object. When the temperature of the bottom of the pan 11 becomes 90 ° C or higher during this boiling heating and the temperature of the lid 31 is stabilized at 90 ° C or higher, it is assumed that the inside of the pan 11 is in a boiling state, and the heating amount is reduced more than before. Shift to continuous boiling heating. Note that the fact that the temperature of the lid 31 is stable at 90 ° C. or higher is detected by the rate of temperature rise of the detected temperature from the lid temperature sensor 52. In this boiling detection, the pan temperature sensor 21 and the lid temperature sensor 52 can confirm that both the bottom of the pan 11 and the lid 31 have reached 90 ° C. or more, and the pan 11 has completely boiled. Can be detected accurately.

また、前記鍋11の底部,鍋11の側面部または蓋体31のいずれかが120℃以上の通常ではあり得ない検知温度になったら、加熱制御手段61は何らかの異常があると判断して炊飯加熱における加熱量を低減して全ての動作を停止する切状態にするか、後述するむらしに移行するか、保温を行ない、異常加熱を防止する。逆に、前記鍋11の底部または蓋体31のいずれかが90℃以上になって所定時間(例えば5分)経過しているのに、それ以外の鍋11の底部または蓋体31のいずれかが90℃未満で低い状態の場合、この温度の低い状態の鍋温度センサ21または蓋温度センサ52が、何らかの理由(汚れや傾きや接触不良など)で温度検知精度が悪化していると判断し、同様に炊飯加熱における加熱量を低減して全ての動作を序止する切状態にするか、むらしに移行するか、保温を行ない、これに対処する。   Further, when any of the bottom of the pan 11, the side surface of the pan 11 or the lid 31 reaches a detection temperature that cannot be normally 120 ° C. or higher, the heating control means 61 determines that there is some abnormality and cooks rice. The amount of heating in the heating is reduced so that all operations are stopped, or the operation is shifted to the unevenness described later, or the heat is kept to prevent abnormal heating. Conversely, either the bottom of the pan 11 or the lid 31 has reached 90 ° C. or more and a predetermined time (for example, 5 minutes) has passed, but either the bottom of the pan 11 or the lid 31 other than that. If the temperature is lower than 90 ° C, the pan temperature sensor 21 or the lid temperature sensor 52 in this low temperature state determines that the temperature detection accuracy has deteriorated for some reason (dirt, tilt, poor contact, etc.). In the same manner, the amount of heating in rice cooking heating is reduced to a state where all operations are stopped, or the operation is shifted to unevenness, or the heat is kept to cope with this.

沸騰継続に移行すると、炊飯制御手段70は蓋ヒータ51による蓋加熱を開始させる。ここでの蓋加熱は、内蓋47の温度が100〜110℃になるように、蓋温度センサ52の検知温度により管理される。そして、鍋11の底部が所定の温度上昇を生じたら、炊き上げを検知して、むらしに移行する。むらし中は蓋温度センサ52の検出温度による温度管理によって蓋ヒータ51を通断電し、内蓋47への露付きを防止すると共に、ご飯が焦げない程度に高温(98〜100℃)が保持されるように、鍋11の底部の温度を管理する。むらしは所定時間(15〜20分)続けられ、むらしが終了したら保温制御手段71による保温に移行する。   When shifting to continuation of boiling, the rice cooking control means 70 starts lid heating by the lid heater 51. The lid heating here is managed by the detected temperature of the lid temperature sensor 52 so that the temperature of the inner lid 47 becomes 100 to 110 ° C. And if the bottom part of the pan 11 raises predetermined temperature, cooking will be detected and it will transfer to unevenness. During unevenness, the lid heater 51 is cut off by temperature control based on the temperature detected by the lid temperature sensor 52, preventing dew from the inner lid 47, and high temperature (98-100 ° C) that prevents the rice from burning. The temperature at the bottom of the pan 11 is controlled so that it is maintained. The unevenness is continued for a predetermined time (15 to 20 minutes), and when the unevenness is completed, the operation shifts to the heat retention by the heat retention control means 71.

保温になると、加熱コイル16にて鍋11の底部と側面下部を加熱すると共に、鍋11内に収容するご飯の温度よりも僅かに高く、蓋ヒータ51により蓋体31の下面を加熱し、さらに鍋11の側面をコードヒータ26でご飯が乾燥せず、かつ露が多量に付着しないように温度管理する。鍋11内のご飯の温度は70〜76℃に温度保持されるが、この保温時においても、鍋温度センサ21や蓋温度センサ52が相互に異常に高かったり、あるいは異常に低かったりした場合には、異常を検知してこの異常加熱を防止する。   When it is warming, the heating coil 16 heats the bottom and the lower side of the pan 11 and is slightly higher than the temperature of the rice accommodated in the pan 11, the lid heater 51 heats the lower surface of the lid 31, and The temperature of the side of the pan 11 is controlled by the code heater 26 so that the rice does not dry and a large amount of dew does not adhere. The temperature of the rice in the pan 11 is maintained at 70 to 76 ° C. Even when the temperature is kept, the pan temperature sensor 21 and the lid temperature sensor 52 are abnormally high or abnormally low. Detects abnormalities and prevents this abnormal heating.

次に、本実施例の特徴部分における構成を、図1および図2に基づき詳しく説明する。これらの各図において、77はU字状またはコ字状をなすハンドル67の基端に設けられた軸部で、この軸部77は本体1の左右側面に向けて突出して形成される。また、本体1ひいては外枠3の側面には、前記ハンドル67の軸部77が貫通可能な孔すなわち貫通孔78が左右対称に設けられる。   Next, the structure in the characteristic part of a present Example is demonstrated in detail based on FIG. 1 and FIG. In each of these drawings, reference numeral 77 denotes a shaft portion provided at the base end of a handle 67 having a U-shape or a U-shape, and the shaft portion 77 is formed to project toward the left and right side surfaces of the main body 1. Further, a hole through which the shaft portion 77 of the handle 67 can penetrate, that is, a through hole 78 is provided on the side surface of the main body 1 and the outer frame 3 symmetrically.

上枠2と外枠3は、金属板材からなる外枠3の外側上面部に対して、略環状の断面形状を有するカール加工を施したカール部80を、上枠2の外側下面部に形成した凹部81に突き当てることで、相互に取付け固定される。これらのカール部80および凹部81は、本体1の全周に設けなくても、部分的(局部的)に設けてあればよい。また、前記貫通孔78は、この略環状の断面形状をなすカール部80と干渉しないように配置することが望ましい。外枠3の外側上面部にカール部80を形成することによって、上枠2の凹部81にカール部80が抱え込まれた状態となり、結果的に外枠3が上枠2に隙間なくしっかりと固定されるようになると共に、外枠3と内枠2の鍋収容部6との間には空間82が形成される。   The upper frame 2 and the outer frame 3 are formed on the outer lower surface portion of the upper frame 2 with a curled portion 80 having a substantially annular cross-sectional shape on the outer upper surface portion of the outer frame 3 made of a metal plate material. By being abutted against the recessed portion 81, they are attached and fixed to each other. These curled portions 80 and concave portions 81 do not have to be provided on the entire circumference of the main body 1 but may be provided partially (locally). Further, it is desirable that the through hole 78 is arranged so as not to interfere with the curled portion 80 having a substantially annular cross-sectional shape. By forming the curled portion 80 on the outer upper surface portion of the outer frame 3, the curled portion 80 is held in the concave portion 81 of the upper frame 2, and as a result, the outer frame 3 is firmly fixed to the upper frame 2 without a gap. At the same time, a space 82 is formed between the outer frame 3 and the pot accommodating portion 6 of the inner frame 2.

貫通孔78の内側において、前記ハンドル67の軸部77を軸支するハンドル軸支部83が、上枠2のリブとして配置される。そして、外枠3に形成した貫通孔78から本体1の内部にハンドル67の軸部77を挿入し、この軸部77を上枠2のハンドル軸支部83に嵌合軸支することで、軸部77を支点としてハンドル67が自在に回動するようになる。また、ハンドル67の回動を妨げないように、外枠3には貫通孔78の上部周縁を基端として内側に延びた折曲げ部85が一体に形成される。折曲げ部85は、貫通孔78を形成する際に切り取られる切片を外枠3に残すことで形成される。すなわち、金属板状の外枠3に貫通孔78を形成する際の切片を一部でも残せば、上枠2の凹部81に嵌合するカール部80とは別に、貫通孔78の周縁に折曲げ部85を外枠3と必ず一体的に形成することができる。さらに本実施例の折曲げ部85は、途中の先端部から上向きに折り曲げられており、図1に示すように断面がL字形状に形成される。   Inside the through hole 78, a handle shaft support portion 83 that supports the shaft portion 77 of the handle 67 is disposed as a rib of the upper frame 2. The shaft portion 77 of the handle 67 is inserted into the main body 1 from the through-hole 78 formed in the outer frame 3, and the shaft portion 77 is fitted and supported on the handle shaft support portion 83 of the upper frame 2. The handle 67 can freely rotate with the portion 77 as a fulcrum. Further, a bent portion 85 extending inward with the upper peripheral edge of the through hole 78 as a base end is integrally formed in the outer frame 3 so as not to hinder the rotation of the handle 67. The bent portion 85 is formed by leaving a section cut out when the through-hole 78 is formed in the outer frame 3. That is, if any part of the section when the through hole 78 is formed in the metal plate-like outer frame 3 is left, it can be folded at the periphery of the through hole 78 separately from the curled portion 80 fitted into the concave portion 81 of the upper frame 2. The bent portion 85 can be formed integrally with the outer frame 3. Further, the bent portion 85 of the present embodiment is bent upward from the front end portion in the middle, and the cross section is formed in an L shape as shown in FIG.

合成樹脂製の上枠2には、外枠3と対向する外側下面部の内方に、外枠3を外方へ押し広げようとする力が加わった時に、折曲げ部85の先端部が当接して、それ以上の外枠3の動きを規制する引掛け部86が形成される。この引掛け部86は、前記上枠2の凹部81の内側にある垂直方向の壁部として設けられていると共に、外枠3に設けた折曲げ部85の先端部よりも外側にあり、上枠2の下側からカール部80を凹部81に押し込んで外枠3を上枠2に組み込むと、折曲げ部85の先端部が引掛け部86の内側に対向配置するようになっている。なお、87は上枠2の外側面において本体1の表面に露出する露出部である。   When a force to push the outer frame 3 outward is applied to the upper side 2 of the synthetic resin on the inner side of the outer lower surface facing the outer frame 3, the tip of the bent portion 85 is A hooking portion 86 that abuts and restricts further movement of the outer frame 3 is formed. The hooking portion 86 is provided as a vertical wall portion inside the concave portion 81 of the upper frame 2 and is located outside the front end portion of the bent portion 85 provided in the outer frame 3. When the curled portion 80 is pushed into the concave portion 81 from the lower side of the frame 2 and the outer frame 3 is assembled into the upper frame 2, the front end portion of the bent portion 85 is arranged to face the inside of the hook portion 86. Reference numeral 87 denotes an exposed portion exposed on the surface of the main body 1 on the outer surface of the upper frame 2.

そして本実施例の構成では、外枠3の外側上面部に形成したカール部80を上枠2の外側下面部に突き当て、上枠2の下側からカール部80を凹部81に押し込んで双方を嵌合させると、上枠2の外側下面部の一部が外枠3の外側上面部を外方から覆った状態で、上枠2に外枠3が組み込まれる。このように、貫通孔78よりも上方には外枠3の外側上面部が形成されているので、外枠3の外側上面部を上枠2の外側下面部に対向させることで、外観として見える上枠2の露出部87の高さを極力小さくでき、炊飯器としての外観品位を向上させることができる。   In the configuration of the present embodiment, the curled portion 80 formed on the outer upper surface portion of the outer frame 3 is abutted against the outer lower surface portion of the upper frame 2, and the curled portion 80 is pushed into the concave portion 81 from the lower side of the upper frame 2. , The outer frame 3 is incorporated into the upper frame 2 with a part of the outer lower surface portion of the upper frame 2 covering the outer upper surface portion of the outer frame 3 from the outside. Thus, since the outer upper surface portion of the outer frame 3 is formed above the through-hole 78, the outer upper surface portion of the outer frame 3 can be seen as the appearance by facing the outer lower surface portion of the upper frame 2. The height of the exposed portion 87 of the upper frame 2 can be made as small as possible, and the appearance quality as a rice cooker can be improved.

また、上枠2に外枠3を組み込んだ状態では、上枠2に設けた引掛け部86の内側で、外枠3に設けた折曲げ部85の先端部が、引掛け部86と対向して配置される。そのため、折曲げ部85が引掛け部86に嵌合するように狙って組み込む必要がなく、組立作業性が向上すると共に、鍋11や鍋11内の被炊飯物の重量などを受けて、外枠3を外方へ押し広げる力が加わろうとしても、折曲げ部85の先端部が引掛け部86に当接して、外枠3がそれ以上外方に広がるのを規制でき、外枠3の外周が上枠2の外周よりも局部的にはみ出す現象を回避できる。さらに、本実施例における外枠3の外側上面部には、上枠2の凹部81に嵌合可能なカール部80が形成されているので、上枠2の外側下面部の高さを極力短くできると共に、上枠2と外枠3とをより確実に取付け固定できる。また、凹部81とカール部80との嵌合部分で隙間が生じることなく、本体1内部への異物の進入を防止できる。しかも、外枠3が外方へ押し広がろうとする力を、折曲げ部85の先端部に当接する上枠2の引掛け部86が受け止めて、凹部81とカール部80との嵌合部分に集中させないようにしているので、例えば圧力炊飯器のような本体1の内部で大きな圧力が発生するものであっても、凹部81とカール部80との嵌合部分に無理な力を加えないようにすることができる。   When the outer frame 3 is incorporated in the upper frame 2, the front end of the bent portion 85 provided on the outer frame 3 faces the hook 86 on the inside of the hook 86 provided on the upper frame 2. Arranged. Therefore, it is not necessary to incorporate the bent portion 85 so that the bent portion 85 is fitted to the hook portion 86, and the assembly workability is improved, and the weight of the cooked rice in the pan 11 and the pan 11 is received. Even if a force to push the frame 3 outward is applied, the distal end portion of the bent portion 85 abuts against the hooking portion 86, and the outer frame 3 can be prevented from further spreading outward. The phenomenon in which the outer periphery of the outer region protrudes locally from the outer periphery of the upper frame 2 can be avoided. Furthermore, since the curled portion 80 that can be fitted into the concave portion 81 of the upper frame 2 is formed on the outer upper surface portion of the outer frame 3 in this embodiment, the height of the outer lower surface portion of the upper frame 2 is made as short as possible. In addition, the upper frame 2 and the outer frame 3 can be attached and fixed more reliably. Further, it is possible to prevent foreign matter from entering the inside of the main body 1 without causing a gap at the fitting portion between the concave portion 81 and the curled portion 80. In addition, the hooking portion 86 of the upper frame 2 that abuts against the distal end portion of the bent portion 85 receives the force that the outer frame 3 tries to push outward and the fitting portion between the concave portion 81 and the curled portion 80. For example, even if a large pressure is generated inside the main body 1 such as a pressure rice cooker, an excessive force is not applied to the fitting portion between the concave portion 81 and the curled portion 80. Can be.

また、製造コストの点からいうと、外枠3の外方への広がりを規制する折曲げ部85は、ハンドル67の軸部77を貫通する貫通孔78の周縁から延びているため、貫通孔78を形成する際に生じる外枠3の切片を切り抜かずに残すことで簡単に形成できる。すなわち外枠3には、その外側上面部をなすカール部80と、上枠2の引掛け部86に対向配置される折曲げ部85を共に一体的に形成できるので、部品点数が増加することもなく、製造コストを安価にすることができる。   In terms of manufacturing cost, the bent portion 85 that restricts outward spreading of the outer frame 3 extends from the peripheral edge of the through hole 78 that penetrates the shaft portion 77 of the handle 67. It can be easily formed by leaving the section of the outer frame 3 generated when forming the 78 without being cut out. That is, the outer frame 3 can be integrally formed with a curled portion 80 that forms the outer upper surface portion thereof and a bent portion 85 that is disposed opposite to the hooking portion 86 of the upper frame 2, thereby increasing the number of parts. In addition, the manufacturing cost can be reduced.

以上のように本実施例では、内釜である鍋11を収納する本体1と、鍋11の開口部を覆う蓋体31と、本体1に軸支される軸部77を有する回動自在なハンドル67とを備え、上枠2の外側下面部と外枠3の外側上面部とを対向させて炊飯器の本体1を構成するものにおいて、ハンドル67の軸部77を貫通させる孔としての貫通孔78と、貫通孔78から内方に延びるL字形状の折曲げ部85とを外枠3に形成し、上枠2の外側下面部より内方に設けた掛け部としての引掛け部86の内側で、折曲げ部85と引掛け部86とを対向して配置させている。   As described above, in this embodiment, the main body 1 that houses the pot 11 that is the inner pot, the lid body 31 that covers the opening of the pan 11, and the shaft portion 77 that is pivotally supported by the main body 1 are rotatable. In what constitutes the main body 1 of the rice cooker with the handle 67 and the outer lower surface portion of the upper frame 2 and the outer upper surface portion of the outer frame 3 facing each other, a through hole as a hole through which the shaft portion 77 of the handle 67 passes. A hole 78 and an L-shaped bent portion 85 extending inwardly from the through hole 78 are formed in the outer frame 3, and a hooking portion 86 as a hooking portion provided inward from the outer lower surface portion of the upper frame 2. The bent portion 85 and the hooking portion 86 are arranged to face each other.

この場合、上枠2の外側下面部に対向する外側上面部が外枠3に形成されているので、上枠2の外側下面部の一部を外枠3の外側上面部により外方から覆うことができ、炊飯器としての外観品位が向上する。また、鍋11や鍋11内の被炊飯物の重量などを受けて、外枠3を外方へ押し広げる力が加わろうとしても、外枠3に形成したL字形状の折曲げ部85が、上枠2の外側下面部より内方にある引掛け部86に当接して、外枠3がそれ以上外方に広がるのを規制する。したがって、外枠3の外周が上枠2の外周よりも局部的にはみ出す現象を回避でき、本体1への異物の入り込みを防止できる。さらに、外枠3の外方への広がりを規制する折曲げ部85は、貫通孔78を形成する際に生じる外枠3の切片を切り抜かずに残すことで簡単に形成できるため、部品点数の増加を回避でき、製造コストを安価にできる。しかも、上枠2に外枠3を組み込んだ状態では、折曲げ部85の外面が引掛け部86と対向して配置されるので、組立作業性を向上できる。   In this case, since the outer upper surface portion facing the outer lower surface portion of the upper frame 2 is formed on the outer frame 3, a part of the outer lower surface portion of the upper frame 2 is covered from the outside by the outer upper surface portion of the outer frame 3. It is possible to improve the appearance quality as a rice cooker. In addition, even if a force to push the outer frame 3 outward is applied in response to the weight of the pot 11 or the cooked rice in the pot 11, the L-shaped bent portion 85 formed on the outer frame 3 The outer frame 3 abuts on the hooking portion 86 located inward from the outer lower surface of the upper frame 2 to restrict the outer frame 3 from spreading further outward. Therefore, a phenomenon in which the outer periphery of the outer frame 3 protrudes locally from the outer periphery of the upper frame 2 can be avoided, and foreign matter can be prevented from entering the main body 1. Furthermore, the bent portion 85 that restricts the outward spread of the outer frame 3 can be easily formed by leaving the section of the outer frame 3 generated when the through hole 78 is formed without being cut out. The increase can be avoided and the manufacturing cost can be reduced. Moreover, in the state in which the outer frame 3 is incorporated in the upper frame 2, the outer surface of the bent portion 85 is disposed to face the hooking portion 86, so that the assembly workability can be improved.

また特に本実施例では、外枠3の外側上面部に断面形状が略環状のカール部(略環状部)80を形成している。この場合、上枠2の外側下面部にカール部80と嵌合する嵌合部としての凹部81を形成すれば、上枠2の外側下面部の高さを極力短くできると共に、上枠2と外枠3とをより確実に取付け固定できる。また、外枠3が外方へ押し広がろうとする力を、折曲げ部85に当接する上枠2の引掛け部86が受け止めるので、上枠2の外側下面部にある凹部81とカール部80との嵌合部分に無理な力を加えないようにすることができる。   Particularly in this embodiment, a substantially circular curled portion (substantially annular portion) 80 is formed on the outer upper surface portion of the outer frame 3. In this case, if the concave portion 81 as a fitting portion that fits the curl portion 80 is formed on the outer lower surface portion of the upper frame 2, the height of the outer lower surface portion of the upper frame 2 can be shortened as much as possible. The outer frame 3 can be attached and fixed more reliably. Further, since the hooking portion 86 of the upper frame 2 that contacts the bent portion 85 receives the force that the outer frame 3 tries to push outward, the concave portion 81 and the curl portion on the outer lower surface portion of the upper frame 2 are received. It is possible to prevent excessive force from being applied to the mating portion with 80.

次に、本発明の第2実施例を図3および図4に基づき説明する。なお、各実施例に共通する部分の箇所には共通する符号を付し、重複する説明は極力省略する。   Next, a second embodiment of the present invention will be described with reference to FIGS. In addition, the code | symbol common to the location of the part common to each Example is attached | subjected, and the overlapping description is abbreviate | omitted as much as possible.

本実施例においても、外枠3には貫通孔78の上部周縁を基端として内側に延びた折曲げ部85が一体に形成されるが、折曲げ部85の断面は先端部に至るまで水平方向に直線状に延びていると共に、この折曲げ部85には係止部に相当する孔88が形成される。折曲げ部85の孔88は、図4に示すように片側を開放した溝状になっているが、それ以外の形状であってもよい。また、上枠2の外側下面部より内方には、前記第1実施例の引掛け部86に代わり、孔88に係止して外枠3の外方への動きを規制する差込み部89が形成される。この差込み部89は凹部81の底面より垂下して設けられており、上枠2の下側から外枠3を組み込んだ時に、外枠3に設けた折曲げ部85の孔88に上枠2の差込み部89が挿入できる位置に配設される。なお、それ以外の構成は、第1実施例のものと共通している。   Also in this embodiment, the outer frame 3 is integrally formed with a bent portion 85 extending inward with the upper peripheral edge of the through hole 78 as a base end, but the cross section of the bent portion 85 is horizontal until reaching the tip portion. The bent portion 85 is formed with a hole 88 corresponding to a locking portion. The hole 88 of the bent portion 85 has a groove shape with one side open as shown in FIG. 4, but may have other shapes. Further, on the inner side of the outer lower surface portion of the upper frame 2, in place of the hook portion 86 of the first embodiment, an insertion portion 89 that locks in the hole 88 and restricts the outward movement of the outer frame 3. Is formed. The insertion portion 89 is provided so as to hang from the bottom surface of the recess 81, and when the outer frame 3 is assembled from the lower side of the upper frame 2, the upper frame 2 is inserted into the hole 88 of the bent portion 85 provided in the outer frame 3. The insertion portion 89 is disposed at a position where it can be inserted. Other configurations are the same as those in the first embodiment.

そしてこの実施例では、上枠2に外枠3を組み込んだ状態で、上枠2に設けた差込み部89が、外枠3に設けた折曲げ部85の孔88に挿入される。そのため、鍋11や鍋11内の被炊飯物の重量などを受けて、外枠3を外方へ押し広げる力が加わろうとしても、折曲げ部85の孔88が差込み部89に当接して、外枠3がそれ以上外方に広がるのを規制でき、外枠3の外周が上枠2の外周よりも局部的にはみ出す現象を回避できる。また本実施例においても、上枠2の凹部81に嵌合するカール部80が外枠3に形成されているので、外枠3が外方へ押し広がろうとする力を、折曲げ部85の孔88に当接する上枠2の差込み部89が受け止めて、凹部81とカール部80との嵌合部分に集中させないようにしている。そのため、例えば圧力炊飯器のような本体1の内部で大きな圧力が発生するものであっても、凹部81とカール部80との嵌合部分に無理な力を加えないようにすることができる。   In this embodiment, the insertion portion 89 provided on the upper frame 2 is inserted into the hole 88 of the bent portion 85 provided on the outer frame 3 in a state where the outer frame 3 is incorporated into the upper frame 2. Therefore, the hole 88 of the bent portion 85 is in contact with the insertion portion 89 even if a force is applied to push the outer frame 3 outward in response to the weight of the pot 11 or the cooked rice in the pot 11. The outer frame 3 can be prevented from spreading further outward, and the phenomenon that the outer periphery of the outer frame 3 protrudes locally from the outer periphery of the upper frame 2 can be avoided. Also in this embodiment, the curled portion 80 that fits into the concave portion 81 of the upper frame 2 is formed in the outer frame 3, so that the force that the outer frame 3 tries to push outward is applied to the bent portion 85. The insertion portion 89 of the upper frame 2 in contact with the hole 88 is received so as not to concentrate on the fitting portion between the concave portion 81 and the curled portion 80. Therefore, for example, even if a large pressure is generated inside the main body 1 such as a pressure rice cooker, an excessive force can be prevented from being applied to the fitting portion between the concave portion 81 and the curled portion 80.

また、製造コストの点でも、外枠3の外方への広がりを規制する孔88付きの折曲げ部85は、ハンドル67の軸部77を貫通する貫通孔78の周縁から延びているため、貫通孔78を形成する際に生じる外枠3の切片を切り抜かずに残すことで簡単に形成できる。そのため外枠3には、その外側上面部をなすカール部80と、上枠2の差込み部89に挿入される孔88付きの折曲げ部85を共に一体的に形成できるので、部品点数が増加することもなく、製造コストを安価にすることができる。   Also, in terms of manufacturing cost, the bent portion 85 with the hole 88 that restricts outward spreading of the outer frame 3 extends from the periphery of the through hole 78 that penetrates the shaft portion 77 of the handle 67. It can be easily formed by leaving the section of the outer frame 3 generated when the through-hole 78 is formed without being cut out. Therefore, the outer frame 3 can be integrally formed with a curled portion 80 that forms the outer upper surface portion thereof and a bent portion 85 with a hole 88 that is inserted into the insertion portion 89 of the upper frame 2, thereby increasing the number of parts. Therefore, the manufacturing cost can be reduced.

以上のように本実施例では、内釜である鍋11を収納する本体1と、鍋11の開口部を覆う蓋体31と、本体1に軸支される軸部77を有する回動自在なハンドル67とを備え、上枠2の外側下面部と外枠3の外側上面部とを対向させて炊飯器の本体1を構成するものにおいて、ハンドル67の軸部77を貫通させる孔としての貫通孔78と、貫通孔78から内方に延びる折曲げ部85とを外枠3に形成し、折曲げ部85に設けた係止部としての孔88に、上枠2の外側下面部より内方に設けた差込み部89を挿入可能に配置させている。   As described above, in this embodiment, the main body 1 that houses the pot 11 that is the inner pot, the lid body 31 that covers the opening of the pan 11, and the shaft portion 77 that is pivotally supported by the main body 1 are rotatable. In what constitutes the main body 1 of the rice cooker with the handle 67 and the outer lower surface portion of the upper frame 2 and the outer upper surface portion of the outer frame 3 facing each other, a through hole as a hole through which the shaft portion 77 of the handle 67 passes. A hole 78 and a bent portion 85 extending inwardly from the through hole 78 are formed in the outer frame 3, and the hole 88 as a locking portion provided in the bent portion 85 is formed inside the outer lower surface portion of the upper frame 2. The insertion part 89 provided in the direction is arranged to be insertable.

この場合も、上枠2の外側下面部に対向する外側上面部が外枠3に形成されているので、上枠2の外側下面部の一部を外枠3の外側上面部により外方から覆うことができ、炊飯器としての外観品位が向上する。また、鍋11や鍋11内の被炊飯物の重量などを受けて、外枠3を外方へ押し広げる力が加わろうとしても、外枠3に形成した折曲げ部85の孔88が、上枠2の外側下面部より内方にある差込み部89に当接して、外枠3がそれ以上外方に広がるのを規制する。したがって、外枠3の外周が上枠2の外周よりも局部的にはみ出す現象を回避でき、本体1への異物の入り込みを防止できる。さらに、外枠3の外方への広がりを規制する孔88付きの折曲げ部85は、貫通孔78を形成する際に生じる外枠3の切片を切り抜かずに残すことで簡単に形成できるため、部品点数の増加を回避でき、製造コストを安価にできる。   Also in this case, since the outer upper surface portion facing the outer lower surface portion of the upper frame 2 is formed on the outer frame 3, a part of the outer lower surface portion of the upper frame 2 is moved from the outside by the outer upper surface portion of the outer frame 3. It can cover and the appearance quality as a rice cooker improves. In addition, even if a force to push the outer frame 3 outward is applied in response to the weight of the pot 11 or the cooked rice in the pot 11, the hole 88 of the bent portion 85 formed in the outer frame 3 The outer frame 3 abuts on the insertion portion 89 located on the inner side from the outer lower surface portion of the upper frame 2 to restrict the outer frame 3 from spreading further outward. Therefore, a phenomenon in which the outer periphery of the outer frame 3 protrudes locally from the outer periphery of the upper frame 2 can be avoided, and foreign matter can be prevented from entering the main body 1. Further, the bent portion 85 with the hole 88 that restricts the outward spread of the outer frame 3 can be easily formed by leaving the section of the outer frame 3 generated when the through hole 78 is formed without being cut out. The increase in the number of parts can be avoided and the manufacturing cost can be reduced.

また本実施例でも、外枠3の外側上面部に断面形状が略環状のカール部80を形成しているので、上枠2の外側下面部の高さを極力短くできると共に、上枠2と外枠3とをより確実に取付け固定できる。また、外枠3が外方へ押し広がろうとする力を、折曲げ部85の孔88に当接する上枠2の差込み部89が受け止めるので、上枠2の外側下面部にある凹部81とカール部80との嵌合部分に無理な力を加えないようにすることができる。   Also in the present embodiment, the curl portion 80 having a substantially annular cross section is formed on the outer upper surface portion of the outer frame 3, so that the height of the outer lower surface portion of the upper frame 2 can be shortened as much as possible. The outer frame 3 can be attached and fixed more reliably. In addition, since the insertion portion 89 of the upper frame 2 that contacts the hole 88 of the bent portion 85 receives the force that the outer frame 3 pushes outward, the concave portion 81 on the outer lower surface portion of the upper frame 2 An excessive force can be prevented from being applied to the fitting portion with the curled portion 80.

次に、本発明の第3実施例を図5および図6に基づき説明する。なお、各実施例に共通する部分の箇所には共通する符号を付し、重複する説明は極力省略する。   Next, a third embodiment of the present invention will be described with reference to FIGS. In addition, the code | symbol common to the location of the part common to each Example is attached | subjected, and the overlapping description is abbreviate | omitted as much as possible.

この実施例では、図6に示すように、上枠2の下面に金属部品からなる枠板91が設けられる。この枠板91は、上枠2の上面部の変形を防止する枠状の補強部材として、上枠2の下面に取付け固定される。本体1と蓋体31とを連結するヒンジ部32は、上枠2の後部に設けられており、このヒンジ部32の左右両側に位置する上枠2の縦リブ92には、それぞれシャフト33を貫通するヒンジ孔93が左右対称に設けられている。またヒンジ部32は、上枠2のみならず外蓋カバー44の後部にも及んで設けられている。外蓋カバー44の後部において、ヒンジ部32の左右両側に位置する縦リブ94にも、それぞれシャフト33を貫通するヒンジ孔95が左右対称に設けられており、各ヒンジ孔93,95は左右それぞれ対向して配置される。これにより、ヒンジ孔93,95にシャフト33を貫通させることで、本体1に対し蓋体31が開閉自在に設けられる。   In this embodiment, as shown in FIG. 6, a frame plate 91 made of a metal part is provided on the lower surface of the upper frame 2. The frame plate 91 is attached and fixed to the lower surface of the upper frame 2 as a frame-shaped reinforcing member that prevents deformation of the upper surface portion of the upper frame 2. A hinge portion 32 for connecting the main body 1 and the lid 31 is provided at the rear portion of the upper frame 2. Each of the vertical ribs 92 of the upper frame 2 located on the left and right sides of the hinge portion 32 is provided with a shaft 33. The penetrating hinge holes 93 are provided symmetrically. The hinge portion 32 is provided not only on the upper frame 2 but also on the rear portion of the outer lid cover 44. In the rear part of the outer cover 44, the vertical ribs 94 located on the left and right sides of the hinge part 32 are also provided with hinge holes 95 that pass through the shaft 33 symmetrically, and the hinge holes 93 and 95 are respectively left and right. Opposed to each other. Accordingly, the lid 31 is provided to be openable and closable with respect to the main body 1 by passing the shaft 33 through the hinge holes 93 and 95.

さらに本実施例では、前記ヒンジ部32が枠板91の後部に及んで設けられており、この枠板91の後部において、ヒンジ部32の左右両側に位置する縦壁96にも、それぞれシャフト33を貫通するヒンジ孔97が左右対称に設けられる。枠板91のヒンジ部32となる縦壁96は、上枠2のヒンジ部32となる縦リブ92の内側に配置される。そして、上枠2に設けたヒンジ孔93と、外蓋カバー44に設けたヒンジ孔95と、枠板91に設けたヒンジ孔97に、共通するシャフト33が挿通する構成となっている。   Further, in the present embodiment, the hinge portion 32 is provided so as to extend to the rear portion of the frame plate 91. In the rear portion of the frame plate 91, the vertical walls 96 positioned on the left and right sides of the hinge portion 32 are also respectively connected to the shaft 33. Hinge holes 97 penetrating through are provided symmetrically. The vertical wall 96 that becomes the hinge portion 32 of the frame plate 91 is disposed inside the vertical rib 92 that becomes the hinge portion 32 of the upper frame 2. The common shaft 33 is inserted into the hinge hole 93 provided in the upper frame 2, the hinge hole 95 provided in the outer lid cover 44, and the hinge hole 97 provided in the frame plate 91.

また、図5に示すように、上枠2のハンドル軸支部83よりも内側には、枠板91の上面部外端より下方に延びた部位が、引掛け部99として形成される。この引掛け部99は第1実施例における引掛け部86と同じように、外枠3を外方へ押し広げようとする力が加わった時に、折曲げ部85の先端部が当接して、それ以上の外枠3の動きを規制するもので、外枠3の組み込み方向である垂直方向で、且つ外枠3に設けた折曲げ部85の先端部よりも外側にあり、上枠2の下側からカール部80を凹部81に押し込んで外枠3を上枠2に組み込むと、折曲げ部85の先端部が引掛け部99の内側に対向配置するようになっている。その他の構成は、前記第1実施例と共通している。   Further, as shown in FIG. 5, a portion extending downward from the outer end of the upper surface portion of the frame plate 91 is formed as a hook portion 99 inside the handle shaft support portion 83 of the upper frame 2. As with the hooking portion 86 in the first embodiment, the hooking portion 99 abuts the tip of the bent portion 85 when a force is applied to push the outer frame 3 outward. Further restricting the movement of the outer frame 3, it is in the vertical direction, which is the direction in which the outer frame 3 is assembled, and outside the front end of the bent portion 85 provided on the outer frame 3. When the curled portion 80 is pushed into the concave portion 81 from the lower side and the outer frame 3 is assembled into the upper frame 2, the distal end portion of the bent portion 85 is arranged to face the inside of the hook portion 99. Other configurations are the same as those in the first embodiment.

本実施例では、上枠2に外枠3を組み込んだ状態で、枠板91に設けた引掛け部99の内側で、外枠3に設けた折曲げ部85の先端部が、引掛け部99と対向して配置される。そのため、外枠3を外方へ押し広げる力が加わろうとしても、折曲げ部85の先端部が引掛け部99に当接して、外枠3がそれ以上外方に広がるのを規制でき、外枠3の外周が上枠2の外周よりも局部的にはみ出す現象を回避できる。しかも、外枠3が外方へ押し広がろうとする力を、折曲げ部85の先端部に当接する枠板91の引掛け部99が受け止めて、凹部81とカール部80との嵌合部分に集中させないようにしているので、例えば圧力炊飯器のような本体1の内部で大きな圧力が発生するものであっても、凹部81とカール部80との嵌合部分に無理な力を加えないようにすることができる。   In this embodiment, with the outer frame 3 incorporated in the upper frame 2, the front end of the bent portion 85 provided on the outer frame 3 is located inside the hook portion 99 provided on the frame plate 91. It is arranged facing 99. Therefore, even if a force to push the outer frame 3 outward is applied, it is possible to restrict the distal end of the bent portion 85 from coming into contact with the hook portion 99 and to further spread the outer frame 3 outward. The phenomenon that the outer periphery of the outer frame 3 protrudes locally than the outer periphery of the upper frame 2 can be avoided. In addition, the hooking portion 99 of the frame plate 91 that abuts on the distal end portion of the bent portion 85 receives the force that the outer frame 3 pushes outward, and the fitting portion between the concave portion 81 and the curled portion 80 is received. For example, even if a large pressure is generated inside the main body 1 such as a pressure rice cooker, an excessive force is not applied to the fitting portion between the concave portion 81 and the curled portion 80. Can be.

また本実施例では、本体1と蓋体31のそれぞれに設けたヒンジ受部としてのヒンジ孔93,95にヒンジ部32のシャフト33を貫通させて、本体1に対して蓋体31を開閉自在にするだけでなく、補強部材としての枠板91を利用して、この枠板91に設けた受部としてのヒンジ孔97にも、前記ヒンジ部32のシャフト33を貫通させているので、枠板91により受部ひいては製品としての強度を向上させることができる。   Further, in this embodiment, the shaft 31 of the hinge portion 32 is passed through the hinge holes 93 and 95 as the hinge receiving portions provided in the main body 1 and the lid body 31 so that the lid body 31 can be opened and closed with respect to the main body 1. Since the shaft 33 of the hinge portion 32 is also passed through the hinge hole 97 as a receiving portion provided in the frame plate 91 using the frame plate 91 as a reinforcing member. The plate 91 can improve the strength of the receiving part and the product.

以上のように本実施例では、内釜である鍋11を収納する本体1と、鍋11の開口部を覆う蓋体31と、本体1に軸支される軸部77を有する回動自在なハンドル67とを備え、上枠2の外側下面部と外枠3の外側上面部とを対向させて炊飯器の本体1を構成するものにおいて、上枠2の下側に枠板91を配置すると共に、ハンドル67の軸部77を貫通させる孔としての貫通孔78と、貫通孔78から内方に延びるL字形状の折曲げ部85とを外枠3に形成し、枠板91に設けた掛け部としての引掛け部99の内側で、折曲げ部85と引掛け部99とを対向して配置させている。   As described above, in this embodiment, the main body 1 that houses the pot 11 that is the inner pot, the lid body 31 that covers the opening of the pan 11, and the shaft portion 77 that is pivotally supported by the main body 1 are rotatable. In the thing which comprises the handle | steering-wheel 67 and comprises the main body 1 of a rice cooker by making the outer side lower surface part of the upper frame 2 and the outer side upper surface part of the outer frame 3 oppose, the frame board 91 is arrange | positioned under the upper frame 2 In addition, a through-hole 78 as a hole through which the shaft portion 77 of the handle 67 passes and an L-shaped bent portion 85 extending inwardly from the through-hole 78 are formed in the outer frame 3 and provided on the frame plate 91. Inside the hook part 99 as the hook part, the bent part 85 and the hook part 99 are arranged to face each other.

この場合、上枠2の外側下面部に対向する外側上面部が外枠3に形成されているので、上枠2の外側下面部の一部を外枠3の外側上面部により外方から覆うことができ、炊飯器としての外観品位が向上する。また、鍋11や鍋11内の被炊飯物の重量などを受けて、外枠3を外方へ押し広げる力が加わろうとしても、外枠3に形成したL字形状の折曲げ部85が、枠板91に設けた引掛け部99に当接して、外枠3がそれ以上外方に広がるのを規制する。したがって、外枠3の外周が上枠2の外周よりも局部的にはみ出す現象を回避でき、本体1への異物の入り込みを防止できる。さらに、外枠3の外方への広がりを規制する折曲げ部85は、貫通孔78を形成する際に生じる外枠3の切片を切り抜かずに残すことで簡単に形成できるため、部品点数の増加を回避でき、製造コストを安価にできる。しかも、上枠2に外枠3を組み込んだ状態では、折曲げ部85の外面が引掛け部99と対向して配置されるので、組立作業性を向上できる。   In this case, since the outer upper surface portion facing the outer lower surface portion of the upper frame 2 is formed on the outer frame 3, a part of the outer lower surface portion of the upper frame 2 is covered from the outside by the outer upper surface portion of the outer frame 3. It is possible to improve the appearance quality as a rice cooker. In addition, even if a force to push the outer frame 3 outward is applied in response to the weight of the pot 11 or the cooked rice in the pot 11, the L-shaped bent portion 85 formed on the outer frame 3 The outer frame 3 is prevented from further spreading outward by abutting on the hook portion 99 provided on the frame plate 91. Therefore, a phenomenon in which the outer periphery of the outer frame 3 protrudes locally from the outer periphery of the upper frame 2 can be avoided, and foreign matter can be prevented from entering the main body 1. Furthermore, the bent portion 85 that restricts the outward spread of the outer frame 3 can be easily formed by leaving the section of the outer frame 3 generated when the through hole 78 is formed without being cut out. The increase can be avoided and the manufacturing cost can be reduced. Moreover, in the state in which the outer frame 3 is incorporated in the upper frame 2, the outer surface of the bent portion 85 is disposed to face the hook portion 99, so that the assembly workability can be improved.

次に、本発明の第4実施例を図7に基づき説明する。この実施例も、第3実施例と同様に、枠2の下面に金属部品からなる補強部材としての枠板91が設けられており、ヒンジ部32の構造は前記図6と共通している。一方、外枠3の折曲げ部85には、第2実施例で説明したような係止部に相当する孔88が形成される。枠板91には、第3実施例のような引掛け部99に代わり、孔88に係止して外枠3の外方への動きを規制する差込み部101が形成される。この差込み部101は凹部81の底面より垂下して設けられており、上枠2の下側から外枠3を組み込んだ時に、外枠3に設けた折曲げ部85の孔88に枠板91の差込み部101が挿入できる位置に配設される。なお、それ以外の構成は、第3実施例のものと共通している。 Next, a fourth embodiment of the present invention will be described with reference to FIG. In this embodiment, similarly to the third embodiment, a frame plate 91 as a reinforcing member made of a metal part is provided on the lower surface of the upper frame 2, and the structure of the hinge portion 32 is the same as that shown in FIG. . On the other hand, the bent portion 85 of the outer frame 3 is formed with a hole 88 corresponding to the locking portion as described in the second embodiment. In the frame plate 91, instead of the hook portion 99 as in the third embodiment, an insertion portion 101 is formed which is engaged with the hole 88 and restricts the outward movement of the outer frame 3. The insertion portion 101 is provided so as to hang from the bottom surface of the recess 81, and when the outer frame 3 is assembled from the lower side of the upper frame 2, the frame plate 91 is inserted into the hole 88 of the bent portion 85 provided in the outer frame 3. The insertion part 101 is disposed at a position where it can be inserted. Other configurations are the same as those in the third embodiment.

この実施例では、上枠2に外枠3を組み込んだ状態で、枠板91に設けた差込み部101が、外枠3に設けた折曲げ部85の孔88に挿入される。そのため、鍋11や鍋11内の被炊飯物の重量などを受けて、外枠3を外方へ押し広げる力が加わろうとしても、折曲げ部85の孔88が差込み部101に当接して、外枠3がそれ以上外方に広がるのを規制でき、外枠3の外周が上枠2の外周よりも局部的にはみ出す現象を回避できる。また本実施例においても、上枠2の凹部81に嵌合するカール部80が外枠3に形成されているので、外枠3が外方へ押し広がろうとする力を、折曲げ部85の孔88に当接する枠板91の差込み部101が受け止めて、凹部81とカール部80との嵌合部分に集中させないようにしている。そのため、例えば圧力炊飯器のような本体1の内部で大きな圧力が発生するものであっても、凹部81とカール部80との嵌合部分に無理な力を加えないようにすることができる。   In this embodiment, the insertion portion 101 provided on the frame plate 91 is inserted into the hole 88 of the bent portion 85 provided on the outer frame 3 with the outer frame 3 incorporated in the upper frame 2. Therefore, the hole 88 of the bent portion 85 is in contact with the insertion portion 101 even if a force is applied to push the outer frame 3 outward in response to the weight of the pot 11 or the cooked rice in the pot 11. The outer frame 3 can be prevented from spreading further outward, and the phenomenon that the outer periphery of the outer frame 3 protrudes locally from the outer periphery of the upper frame 2 can be avoided. Also in this embodiment, the curled portion 80 that fits into the concave portion 81 of the upper frame 2 is formed in the outer frame 3, so that the force that the outer frame 3 tries to push outward is applied to the bent portion 85. The insertion portion 101 of the frame plate 91 that contacts the hole 88 is received so as not to concentrate on the fitting portion between the concave portion 81 and the curled portion 80. Therefore, for example, even if a large pressure is generated inside the main body 1 such as a pressure rice cooker, an excessive force can be prevented from being applied to the fitting portion between the concave portion 81 and the curled portion 80.

以上のように本実施例では、内釜である鍋11を収納する本体1と、鍋11の開口部を覆う蓋体31と、本体1に軸支される軸部77を有する回動自在なハンドル67とを備え、上枠2の外側下面部と外枠3の外側上面部とを対向させて炊飯器の本体1を構成するものにおいて、上枠2の下側に枠板91を配置すると共に、ハンドル67の軸部77を貫通させる孔としての貫通孔78と、貫通孔78から内方に延びる折曲げ部85とを外枠3に形成し、折曲げ部85に設けた係止部としての孔88に、枠板91に設けた差込み部101を挿入可能に配置させている。   As described above, in this embodiment, the main body 1 that houses the pot 11 that is the inner pot, the lid body 31 that covers the opening of the pan 11, and the shaft portion 77 that is pivotally supported by the main body 1 are rotatable. In the thing which comprises the handle | steering-wheel 67 and comprises the main body 1 of a rice cooker by making the outer side lower surface part of the upper frame 2 and the outer side upper surface part of the outer frame 3 oppose, the frame board 91 is arrange | positioned under the upper frame 2 In addition, a through hole 78 as a hole through which the shaft portion 77 of the handle 67 passes and a bent portion 85 extending inward from the through hole 78 are formed in the outer frame 3, and a locking portion provided in the bent portion 85. The insertion portion 101 provided on the frame plate 91 is disposed so as to be insertable into the hole 88.

この場合も、上枠2の外側下面部に対向する外側上面部が外枠3に形成されているので、上枠2の外側下面部の一部を外枠3の外側上面部により外方から覆うことができ、炊飯器としての外観品位が向上する。また、鍋11や鍋11内の被炊飯物の重量などを受けて、外枠3を外方へ押し広げる力が加わろうとしても、外枠3に形成した折曲げ部85の孔88が、枠板91に設けた差込み部101に当接して、外枠3がそれ以上外方に広がるのを規制する。したがって、外枠3の外周が上枠2の外周よりも局部的にはみ出す現象を回避でき、本体1への異物の入り込みを防止できる。さらに、外枠3の外方への広がりを規制する孔88付きの折曲げ部85は、貫通孔78を形成する際に生じる外枠3の切片を切り抜かずに残すことで簡単に形成できるため、部品点数の増加を回避でき、製造コストを安価にできる。   Also in this case, since the outer upper surface portion facing the outer lower surface portion of the upper frame 2 is formed on the outer frame 3, a part of the outer lower surface portion of the upper frame 2 is moved from the outside by the outer upper surface portion of the outer frame 3. It can cover and the appearance quality as a rice cooker improves. In addition, even if a force to push the outer frame 3 outward is applied in response to the weight of the pot 11 or the cooked rice in the pot 11, the hole 88 of the bent portion 85 formed in the outer frame 3 It abuts against the insertion portion 101 provided on the frame plate 91 to restrict the outer frame 3 from spreading further outward. Therefore, a phenomenon in which the outer periphery of the outer frame 3 protrudes locally from the outer periphery of the upper frame 2 can be avoided, and foreign matter can be prevented from entering the main body 1. Further, the bent portion 85 with the hole 88 that restricts the outward spread of the outer frame 3 can be easily formed by leaving the section of the outer frame 3 generated when the through hole 78 is formed without being cut out. The increase in the number of parts can be avoided and the manufacturing cost can be reduced.

また、上記第3実施例や第4実施例に共通して、外枠3の外側上面部に断面形状が略環状のカール部(略環状部)80を形成しているので、上枠2の外側下面部の高さを極力短くできると共に、上枠2と外枠3とをより確実に取付け固定できる。また、外枠3が外方へ押し広がろうとする力を、折曲げ部85に当接する枠板91の引掛け部99、若しくは折曲げ部85の孔88に当接する上枠2の差込み部101が受け止めるので、上枠2の外側下面部にある凹部81とカール部80との嵌合部分に無理な力を加えないようにすることができる。   Further, in common with the third embodiment and the fourth embodiment, a curl portion (substantially annular portion) 80 having a substantially annular cross section is formed on the outer upper surface portion of the outer frame 3. The height of the outer lower surface portion can be shortened as much as possible, and the upper frame 2 and the outer frame 3 can be more securely attached and fixed. Further, the force that the outer frame 3 pushes outward is applied to the hook portion 99 of the frame plate 91 that contacts the bent portion 85 or the insertion portion of the upper frame 2 that contacts the hole 88 of the bent portion 85. Since 101 is received, it is possible to prevent an excessive force from being applied to the fitting portion between the concave portion 81 and the curled portion 80 on the outer lower surface portion of the upper frame 2.

さらに、上記第3実施例や第4実施例に共通して、本体1と蓋体31とを連結する連結手段としてのシャフト33を備えたヒンジ部32を設け、本体1と蓋体31の各側にある受部としてのヒンジ孔93,95,97にシャフト33を貫通させて、蓋体31を本体1に開閉自在とすると共に、本体1側の受部であるヒンジ孔97を枠板91に設けている。こうすると、補強部材としての枠板91を利用して、この枠板91に設けた受部としてのヒンジ孔97にも、ヒンジ部32のシャフト33を貫通させているので、枠板91により受部であるヒンジ孔97ひいては製品としての強度を向上させることができる。   Further, in common with the third embodiment and the fourth embodiment, a hinge portion 32 having a shaft 33 as a connecting means for connecting the main body 1 and the lid 31 is provided, and each of the main body 1 and the lid 31 is provided. The shaft 33 is passed through the hinge holes 93, 95, and 97 as receiving portions on the side so that the lid 31 can be opened and closed to the main body 1 and the hinge hole 97 as the receiving portion on the main body 1 side is opened to the frame plate 91. Provided. In this way, the frame plate 91 as the reinforcing member is used, and the shaft 33 of the hinge portion 32 is also passed through the hinge hole 97 as the receiving portion provided in the frame plate 91. As a result, the hinge hole 97 as a part, and hence the strength as a product can be improved.

なお、本発明は、上記実施例に限定されるものではなく、本発明の趣旨を逸脱しない範囲で変更可能である。   In addition, this invention is not limited to the said Example, It can change in the range which does not deviate from the meaning of this invention.

本発明の第1実施例における炊飯器の要部断面図である。It is principal part sectional drawing of the rice cooker in 1st Example of this invention. 同上、上枠と外枠との取付け箇所周辺をあらわした要部の分解斜視図である。It is an exploded perspective view of the principal part showing the attachment part periphery of an upper frame and an outer frame same as the above. 本発明の第2実施例における炊飯器の要部断面図である。It is principal part sectional drawing of the rice cooker in 2nd Example of this invention. 同上、上枠と外枠との取付け箇所周辺をあらわした要部の分解斜視図である。It is an exploded perspective view of the principal part showing the attachment part periphery of an upper frame and an outer frame same as the above. 本発明の第3実施例における炊飯器の要部断面図である。It is principal part sectional drawing of the rice cooker in 3rd Example of this invention. 同上、特にヒンジ部周辺をあらわした炊飯器の要部分解斜視図である。It is the principal part exploded perspective view of the rice cooker showing the hinge part periphery especially same as the above. 本発明の第4実施例における炊飯器の要部断面図である。It is principal part sectional drawing of the rice cooker in 4th Example of this invention. 同上、一般的な炊飯器の構成を示す斜視図である。It is a perspective view which shows the structure of a common rice cooker same as the above. 本発明の各実施例に共通して、一般的な炊飯器の構成を示す全体の縦断面図である。It is the whole longitudinal cross-sectional view which shows the structure of a common rice cooker in common with each Example of this invention. 同上、電気的構成を示すブロック図である。It is a block diagram which shows an electrical structure same as the above.

符号の説明Explanation of symbols

2 上枠
3 外枠
11 鍋(内釜)
31 蓋体
32 ヒンジ部
33 シャフト(連結手段)
67 ハンドル
77 軸部
78 貫通孔(孔)
80 カール部(略環状部)
85 折曲げ部
86 引掛け部(掛け部)
88 孔(貫通孔)
89 差込み部
91 枠板
95,97,99 ヒンジ孔(受部)
99 引掛け部(掛け部)
101 差込み部
2 Upper frame 3 Outer frame
11 Pan (inner pot)
31 lid
32 Hinge
33 Shaft (connecting means)
67 Handle
77 Shaft
78 Through hole (hole)
8 0 curl portion (substantially annular portion)
85 Folding part
86 Hook (hanging part)
88 holes (through holes)
89 Plug
91 Frame plate
95, 97, 99 Hinge hole (receiving part)
99 Hook (hanging part)
101 Insertion section

Claims (6)

内釜を収納する本体と、前記内釜を覆う蓋体と、ハンドルとを備え、上枠と外枠とを対向させて構成する炊飯器において、
前記ハンドルを貫通させる孔と、当該孔の内側に延びた折曲げ部とを前記外枠に形成し、前記上枠の内方に設けた掛け部の内側で、前記折曲げ部と前記掛け部とを対向して配置させ、前記外枠の外側上面部に前記上枠と嵌合する略環状部を形成したことを特徴とする炊飯器。
In a rice cooker comprising a main body for storing an inner pot, a lid for covering the inner pot, and a handle, and an upper frame and an outer frame facing each other,
A hole for penetrating the handle and a bent portion extending inside the hole are formed in the outer frame, and the bent portion and the hook portion are formed inside a hook portion provided inward of the upper frame. Are arranged opposite to each other, and a substantially annular portion that fits with the upper frame is formed on the outer upper surface of the outer frame .
内釜を収納する本体と、前記内釜を覆う蓋体と、ハンドルとを備え、上枠と外枠とを対向させて構成する炊飯器において、
前記ハンドルを貫通させる孔と、当該孔の内側に延びた折曲げ部とを前記外枠に形成し、前記折曲げ部に設けた係止部に、前記上枠の内方に設けた差込み部を挿入可能に配置し、前記外枠の外側上面部に前記上枠と嵌合する略環状部を形成したことを特徴とする炊飯器。
In a rice cooker comprising a main body for storing an inner pot, a lid for covering the inner pot, and a handle, and an upper frame and an outer frame facing each other,
A hole for penetrating the handle and a bent portion extending inside the hole are formed in the outer frame, and an insertion portion provided on the inner side of the upper frame in a locking portion provided in the bent portion Is disposed so as to be insertable, and a substantially annular portion that fits into the upper frame is formed on the outer upper surface of the outer frame .
内釜を収納する本体と、前記内釜を覆う蓋体と、ハンドルとを備え、上枠と外枠とを対向させて構成する炊飯器において、
前記上枠の変形を防止する補強部材として、前記上枠の下方に枠板を配置すると共に、前記ハンドルを貫通させる孔と、当該孔の内側に延びた折曲げ部とを前記外枠に形成し、前記枠板に設けた掛け部の内側で、前記折曲げ部と前記掛け部とを対向して配置させ、前記外枠の外側上面部に前記上枠と嵌合する略環状部を形成したことを特徴とする炊飯器。
In a rice cooker comprising a main body for storing an inner pot, a lid for covering the inner pot, and a handle, and an upper frame and an outer frame facing each other,
As a reinforcing member for preventing the deformation of the upper frame, a frame plate is disposed below the upper frame, and a hole through which the handle is penetrated and a bent portion extending inside the hole are formed in the outer frame. The bent portion and the hanging portion are arranged to face each other inside the hanging portion provided on the frame plate, and a substantially annular portion that fits the upper frame is formed on the outer upper surface portion of the outer frame. Rice cooker characterized by having done.
内釜を収納する本体と、前記内釜を覆う蓋体と、ハンドルとを備え、上枠と外枠とを対向させて構成する炊飯器において、
前記上枠の変形を防止する補強部材として、前記上枠の下方に枠板を配置すると共に、前記ハンドルを貫通させる孔と、当該孔の内側に延びた折曲げ部とを前記外枠に形成し、前記折曲げ部に設けた係止部に、前記枠板に設けた差込み部を挿入可能に配置したことを特徴とする炊飯器。
In a rice cooker comprising a main body for storing an inner pot, a lid for covering the inner pot, and a handle, and an upper frame and an outer frame facing each other,
As a reinforcing member for preventing the deformation of the upper frame, a frame plate is disposed below the upper frame, and a hole through which the handle is penetrated and a bent portion extending inside the hole are formed in the outer frame. And the rice cooker characterized by arrange | positioning the insertion part provided in the said frame board so that insertion was possible in the latching | locking part provided in the said bending part.
前記外枠の外側上面部に前記上枠と嵌合する略環状部を形成したことを特徴とする請求項4記載の炊飯器。 Cooker according to claim 4 Symbol mounting, characterized in that the formation of the substantially annular portion of the upper frame and fitted to the outer upper surface portion of the outer frame. 前記本体と前記蓋体とを連結する連結手段と、前記本体と前記蓋体の各側にある受部とを設け、当該受部に前記連結手段を係合させて、前記蓋体を前記本体に開閉自在とすると共に、前記受部を前記枠板に設けたことを特徴とする請求項のいずれか一つに記載の炊飯器。 And connecting means for connecting the lid and the body, and a receiving portion on each side of the main body and the lid is provided, to engage the coupling means to the receiving portion, said main body said lid The rice cooker according to any one of claims 3 to 5 , wherein the receiving portion is also provided on the frame plate.
JP2005106669A 2005-04-01 2005-04-01 rice cooker Expired - Fee Related JP4137907B2 (en)

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