JPS6210519A - Heater device - Google Patents

Abstract

PURPOSE:To provide a door member having a better outer appearance and showing a convenient operation in use by a method wherein a sealed part of a vertical open-type door and a curved punched part arranged at a central portion of the sealed part are processed with enamel. CONSTITUTION:A circumferential edge 6 of an opening of heating chamber is constructed such that a seal part 7 having square-shape of a vertical open type door member 5 is abutted thereagainst, the seal part 7 is made of a sheet metal and its central part is integrally formed with a punched part 8 made projected toward an opposite side of the heating chamber 4 in a spherical surface form. The sealed part 7, punched portion 8 and an outer frame 10 are integrally formed and then they are enamelled. In this way, the vertical open type door member is made such that the punched part is curved to form a spherical surface to enable the enamel processing to be performed without deformation of an outer appearance of the punched part and thus a stable finished surface can be attained. The sealed part and the punched part can integrally be constructed and small screws are not required, so that its outer appearance is improved and more convenience in use such as a cleaning operation for the heating device can be improved.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は食品の加熱等に利用される加熱装置に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a heating device used for heating food, etc.

従来の技術 一般に食品の加熱等に利用されるオープン等の加熱装置
扉体１においては第３図に示すように、その扉体１のパ
ンチング部２は薄い板金材料で形成され塗装処理が施こ
されており、パンチング部２の内側に設けられたガラス
のスクリーン３を固定し加熱室内の熱気や電波等をシー
ルする額縁状の金具４は板金材料で構成され、扉体１が
縦開きの場合は食品６の出し入れに伴−うこすれによる
耐久性の点からホーロー処理がなされていた。2. Description of the Related Art As shown in FIG. 3, in a door body 1 of an open heating device generally used for heating food, etc., the punching portion 2 of the door body 1 is formed of a thin sheet metal material and is painted. The frame-shaped metal fitting 4 that fixes the glass screen 3 provided inside the punching part 2 and seals out hot air and radio waves in the heating chamber is made of sheet metal material, and when the door body 1 opens vertically. Enamel treatment was performed for durability against abrasion caused by putting in and taking out food 6.

発明が解決しようとする問題点 ところが金具４をパンチング部２と別体で構成すると、
金具４をビス止めのような手段によって固定してやる必
要があり、外観的に好ましくない上そうじがしにぐく、
コスト的にも高くなるので、上記パンチング部２と金具
４を一枚の板金材料で構成するか、もしくは別部品をス
ポット溶接等によって一体化し、ホーロー処理する事が
望ましかった。Problems to be Solved by the Invention However, if the metal fitting 4 is constructed separately from the punching part 2,
It is necessary to fix the metal fitting 4 by means such as screws, which makes it difficult to clean the top, which is undesirable in appearance.
Since the cost is also high, it is desirable to construct the punching part 2 and the metal fitting 4 from a single sheet metal material, or to integrate separate parts by spot welding or the like and then enamel them.

ところが、パンチング部２をホーロー処理しようとする
と、パンチング部２がホーロー焼付時の高温（約８００
’Ｃ）によって歪む。パンチング部２は、透視効果を良
くするため、小さな孔を高い密度であけているためパン
チング加工後の歪みが大きく相当波うっている。そして
通常はパンチング加工後にレベラーという平坦化加工を
施こす事によシ、冷時及び通常の塗装焼付程度の温度で
ある３００℃程度では外観上平坦となる。しかし、ホー
ロー焼付時では、非常に大きく波うつという問題があっ
た。However, when trying to enameling the punching part 2, the punching part 2 was exposed to the high temperature (approximately 800℃) during enameling.
Distorted by 'C). The punching part 2 has small holes formed at a high density to improve the perspective effect, so the distortion after the punching process is large and undulates considerably. Usually, a flattening process called a leveler is applied after the punching process, so that the surface becomes flat in appearance when it is cold or at a temperature of about 300°C, which is about the same temperature as normal paint baking. However, when firing the enamel, there was a problem of extremely large waves.

本発明はこのような従来の問題点を解決するものであり
、パンチング部を含む扉体のホーロー処理を可能にし安
価で外観及び使い勝手の良い扉体とするものである。The present invention solves these conventional problems, and enables the door body including the punching portion to be enameled, thereby providing a door body that is inexpensive, has a good appearance, and is easy to use.

問題点を解決するための手段 本発明の加熱装置は、扉体が縦開きで、少なくとも加熱
室開口周縁部に当接する板金材料で構成された口字状の
シール部と、前記シール部の内側に一体に設けられた板
金材料よりなるパンチング部を湾曲させるとともに、前
記シール部と、パンチング部をホーロー処理するもので
ある。Means for Solving the Problems The heating device of the present invention has a door body that opens vertically, and includes a mouth-shaped seal portion made of a sheet metal material that abuts at least the peripheral edge of the opening of the heating chamber, and an inner side of the seal portion. A punching portion made of a sheet metal material provided integrally with the punching portion is curved, and the sealing portion and the punching portion are enameled.

作　　用 本発明は縦開きの扉体のパンチング面に湾曲゛をもたせ
る事により、ホーロー焼付時の高温（約８００°Ｃ）に
より上記パンチング面が変形するのを防ぐ。すなわち、
湾曲させる加工によシ、パンチング加工時の歪みをとる
とともに、一定方向にパンチングを凸とさせる事により
、加熱時にパンチングが伸びてふくらもうとした場合、
一定方向にふくらみ、パンチングの不規則な凹凸がなく
なり、ホーロー処理後にパンチング面に不自然な凹凸は
生じない。このように扉体のホーロー処理が可能となシ
、余分なビスを廃止でき、外観が良くなるとともに、掃
除等の使い勝手が向上し、コストも安価なものにするこ
とができる。特に扉体が縦開きであるため、被加熱物の
収納・取出し時において扉体上を被加熱物がすべること
になるが、ビスがないためひっかかるものかなく、また
ホーロー処理によシ傷つきの心配も極めて少なくて済む
。Function The present invention prevents the punching surface from being deformed by the high temperature (approximately 800° C.) during enamel firing by giving a curve to the punching surface of the vertically opening door body. That is,
In addition to removing distortion during the punching process, by making the punching convex in a certain direction, if the punching stretches and bulges during heating,
It swells in a certain direction, eliminates irregular punching irregularities, and no unnatural irregularities occur on the punched surface after the enamel treatment. In this way, the door body can be enameled, unnecessary screws can be eliminated, the appearance is improved, the usability for cleaning etc. is improved, and the cost can be reduced. In particular, since the door body opens vertically, the heated object will slide on the door body when storing and taking out the heated object, but since there are no screws, there is no chance of anything getting caught, and the enamel treatment prevents scratches. There is very little to worry about.

実施例 以下本発明の一実施例の加熱装置を図面を参照して説明
する。EXAMPLE Hereinafter, a heating device according to an example of the present invention will be explained with reference to the drawings.

第１図に示すようにヒータ１と高周波発振装置２を備え
た加熱装置３の加熱室４を開閉する扉体６は前記加熱室
４に対して開閉自在に枢支されている。加熱室開口周縁
６には上記扉体５の口字状のシール部７が当接するよう
に構成されており、上記加熱室開口周縁６からの加熱室
４内の熱気ヤニオイ、電波等がもれるのを防いでいる。As shown in FIG. 1, a door body 6 for opening and closing a heating chamber 4 of a heating device 3 equipped with a heater 1 and a high-frequency oscillator 2 is pivotally supported to the heating chamber 4 so as to be openable and closable. The mouth-shaped seal portion 7 of the door body 5 is configured to come into contact with the heating chamber opening periphery 6, and hot air smell, radio waves, etc. in the heating chamber 4 leak from the heating chamber opening periphery 6. It prevents

上記シール部７は板金材料よりなり、その中央部は球面
状に加熱室４とは反対側へ凸としたパンチング部８が一
体的に構成されている。上記シール部７の加熱室４とは
反対側には電波遅閉用のチョーク溝９を構成するだめの
板金材料よりなる外枠１ｏが設けられ、前記シール部７
とパンチング部８と外枠１ｏは一体化後ホーロー処理が
なされている。The seal portion 7 is made of a sheet metal material, and a punching portion 8 having a spherical shape and projecting toward the side opposite to the heating chamber 4 is integrally formed in the center thereof. On the opposite side of the sealing part 7 from the heating chamber 4, there is provided an outer frame 1o made of a blank sheet metal material constituting a choke groove 9 for slow closing of radio waves.
The punching portion 8 and the outer frame 1o are enameled after being integrated.

前記パンチング部８の加熱室４側に透明ガラスのスクリ
ーン１１は周囲をシリコンパテ１２で固定されて設けら
れておシ、前記外枠１０には扉体ε開閉用の把手１３が
設けられている。上記構成により前記シール部７とパン
チング部８と外枠１０は一体化後ホーロー処理する事が
可能になった。A transparent glass screen 11 is provided on the heating chamber 4 side of the punching section 8 with its periphery fixed with silicone putty 12, and the outer frame 10 is provided with a handle 13 for opening and closing the door body ε. . With the above configuration, the sealing part 7, punching part 8, and outer frame 10 can be enameled after being integrated.

シール部７は、実施例のような縦開き方式の扉体５の場
合、被加熱物１４を加熱室４へ出し入れする際に頻繁に
こすれるようになるが、表面処理がホーローであれば硬
度も硬く、膜厚も厚いので耐久性能上問題なく、又、シ
ール部７をビスによって後づけしていないので外観的′
にも良好で、ビスの突起による掃除のしにくさもなく使
い勝手が良好である。又表面処理がまとめてできるので
コスト的にも有利である。本実施例ではシール部７とパ
ンチング部８は一枚の板金材料で形成しているが、別々
に形成後スポット溶接、カシメ等の手段によって一体化
後ホーロー処理する事も当然可能である。尚パンチング
部８の湾曲は透明スクＩＪ−ン１１と反対側に凸とすれ
ば、オーブン３使用時にヒーター１の熱によって加熱室
４の温度が上がってパンチング部８が膨張してもスクリ
ーン１１を押して悪影響を与える事がないので有利であ
る。In the case of the door body 5 of the vertical opening type as in the embodiment, the seal part 7 will be frequently rubbed when the object to be heated 14 is taken in and out of the heating chamber 4, but if the surface treatment is enamel, the hardness will also be reduced. It is hard and has a thick film, so there is no problem in terms of durability, and since the seal part 7 is not attached later with screws, it has a good appearance.
It is also easy to use, with no difficulty in cleaning due to the protrusions of the screws. Also, since surface treatment can be done all at once, it is advantageous in terms of cost. In this embodiment, the sealing part 7 and the punching part 8 are formed of a single sheet metal material, but it is of course possible to form them separately, integrate them by spot welding, caulking, etc., and then enamel them. If the curvature of the punching part 8 is convex on the side opposite to the transparent screen IJ-n 11, the screen 11 will not be bent even if the temperature of the heating chamber 4 rises due to the heat of the heater 1 when the oven 3 is used and the punching part 8 expands. This is advantageous because it does not have any negative effects when pressed.

発明の効果 以上のように本発明のオープン用扉体は、■　パンチン
グ部を湾曲させる事によシホーロー処理が外観上の変形
なく可能になった。Effects of the Invention As described above, the opening door body of the present invention has the following features: (1) By curving the punching portion, it is possible to perform a hollow process without deforming the appearance.

■　上記湾曲を球面とする事により、特に安定した仕上
げ面が得られるようになった。■ By making the above curve a spherical surface, a particularly stable finished surface can be obtained.

■　シール部とパンチング部を一体的に構成でき、ビス
が不要になったので外観が良くなり、掃除等使い勝手が
良くなった。又一体化してもホーロー処理ができる事か
ら、扉体内面の耐久性が損なわれず、被加熱物が扉体上
をすべる縦開きの扉体において非常に有用である。■ The sealing part and punching part can be constructed as one unit, eliminating the need for screws, which improves the appearance and makes cleaning easier. Furthermore, since the enameling process can be performed even when integrated, the durability of the inner surface of the door body is not impaired, and it is very useful for vertically opening door bodies where objects to be heated slide on the door body.

■　ホーロー処理は塗装よシもはるかに高い耐熱性と耐
こすれの性能が得られるにもかかわらず、耐熱塗装に比
べると安価で加熱室内が高温（１００’Ｃ〜ｓｏｏ°Ｃ
）になるオープン加熱装置ではコスト的に有利である。■ Even though enamel treatment has much higher heat resistance and scratch resistance than paint, it is less expensive than heat-resistant paint and has a high temperature inside the heating chamber (100'C to soo°C).
) is advantageous in terms of cost.

■　従来のように、ホーロー処理後シール部をビス止め
するといった作業が不要なので、ホーローの割れによる
不良の発生を少なくできる。■ Unlike conventional methods, there is no need to screw the seal part after enamel treatment, which reduces the occurrence of defects due to cracks in the enamel.

すなわちシール部はチョーク構造になる場合、相当小さ
なピッチでビス止めする必要があり、ビスの本数が多く
ビス締めの際のホーローの割れが多発していたが、本発
明はこの欠点を解除するものである。In other words, when the seal part has a choke structure, it is necessary to fasten with screws at a fairly small pitch, and the number of screws is large, resulting in frequent cracking of the enamel when tightening the screws.The present invention eliminates this drawback. It is.

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

従来の加熱装置の断面図である。 ３・・・・・・オープン、４・・・・・・加熱室、６・
・−・・扉体、６・・−・・加熱室開口周縁部、７・・
・・シール部、８・・・・・パンチング部。 代理人の氏名　弁理士　中　尾　敏　男　ほか１名第２
図 第３図FIG. 2 is a cross-sectional view of a conventional heating device. 3...Open, 4...Heating chamber, 6.
... Door body, 6 ... Heating chamber opening periphery, 7 ...
... Seal part, 8... Punching part. Name of agent: Patent attorney Toshio Nakao and 1 other person 2nd
Figure 3

Claims (1)

【特許請求の範囲】[Claims] 加熱室開口部に縦開きに開閉自在に取付けられた扉体に
、前記開口部周縁部に当接する板金材料で構成されたロ
字状のシール部と、そのシール部中央部に一体的に設け
た板金材料よりなる湾曲状のパンチング部とを具備する
とともに、前記シール部およびパンチング部をホーロー
処理した加熱装置。The door body is attached to the opening of the heating chamber so that it can be opened and closed vertically, and has a square-shaped seal part made of a sheet metal material that comes into contact with the periphery of the opening, and is integrally provided in the center of the seal part. and a curved punching section made of a sheet metal material, and the sealing section and the punching section are enameled.