JP2932085B2 - Electric rice cooker - Google Patents
Electric rice cookerInfo
- Publication number
- JP2932085B2 JP2932085B2 JP15964790A JP15964790A JP2932085B2 JP 2932085 B2 JP2932085 B2 JP 2932085B2 JP 15964790 A JP15964790 A JP 15964790A JP 15964790 A JP15964790 A JP 15964790A JP 2932085 B2 JP2932085 B2 JP 2932085B2
- Authority
- JP
- Japan
- Prior art keywords
- back cover
- rice cooker
- sealing material
- screw hole
- lid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Gasket Seals (AREA)
- Cookers (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は電気炊飯器の蓋体の構造の改良に関するもの
である。Description: TECHNICAL FIELD The present invention relates to an improvement in the structure of a lid of an electric rice cooker.
［従来の技術］ 第５図は電気炊飯器の蓋体を構成する部品を示す斜視
図で、図中、（１）はハンドルカバー、（２）はハンド
ル、（３）は蓋、（3a）は開口部、（４）は掛け金、
（５）は保温材、（６）は裏蓋、（７）はシール材、
（８）は保温ヒータ（8a）を装着した放熱板、（９）は
止めねじ、（10）は蒸気抜き、（10a）はその上部、（1
1）はブッシュ、（12）は中蓋である。[Prior Art] FIG. 5 is a perspective view showing parts constituting a lid of an electric rice cooker, where (1) is a handle cover, (2) is a handle, (3) is a lid, and (3a). Is the opening, (4) is the latch,
(5) is a heat insulating material, (6) is a back cover, (7) is a sealing material,
(8) is a heat sink equipped with a heat retaining heater (8a), (9) is a set screw, (10) is a steam vent, (10a) is an upper part thereof, (1)
1) is the bush, and (12) is the inner lid.
電気炊飯器の蓋体は、蓋体に着脱可能な中蓋（12）を
除いて上記部品を止めねじ（９）等で結合して構成され
ている。炊飯中炊飯器の図示されていない本体の内部に
収容された内釜内の水分の一部は、水蒸気となって中蓋
（12）の下部からブッシュ（11）、蒸気抜き（10）を介
して蓋（３）の開口部（3a）から蓋（３）の上部に挿通
した蒸気抜き（10）の上部（10a）より大気中に抜ける
ように構成されている。The lid of the electric rice cooker is configured by connecting the above components with a set screw (9) or the like except for an inner lid (12) detachable from the lid. A part of the water in the inner pot contained in the body of the rice cooker (not shown) during the cooking of the rice is converted into water vapor, and from the lower part of the inner lid (12) through the bush (11) and the steam vent (10). The upper part (10a) of the steam vent (10) inserted through the opening (3a) of the lid (3) and the upper part of the lid (3) is configured to pass into the atmosphere.
第６図は上記従来の電気炊飯器の蓋体の構成部品であ
る裏蓋（６）の裏面図、第７図はシール材（７）の平面
図で、（6a）、（7a）は蒸気抜き（10）を挿通させるた
めの開口部、（6b）、（7b）は裏蓋（６）にシール材
（７）を介し放熱板（８）を止めねじ（９）で取り付け
るためのねじ孔、（7c）はシール材（７）の折り返し部
である。FIG. 6 is a rear view of a back cover (6), which is a component of the lid of the conventional electric rice cooker, and FIG. 7 is a plan view of a sealing material (7), wherein (6a) and (7a) are steam. Openings for inserting the punch (10), (6b) and (7b) are screw holes for attaching the heat sink (8) to the back cover (6) via the sealing material (7) with the set screw (9). , (7c) are folded portions of the sealing material (7).
第８図（ａ）、（ｂ）はそれぞれ裏蓋（６）及びシー
ル材（７）のＡ−Ａ断面図、第９図はシール材（７）を
介して放熱板（８）を装着した裏蓋（６）のねじ部の断
面図で、（13）は米及び水を収容する内釜である。8 (a) and 8 (b) are AA cross-sectional views of the back cover (6) and the sealing material (7), respectively, and FIG. 9 is equipped with a heat sink (8) via the sealing material (7). It is sectional drawing of the screw part of a back cover (6), (13) is an inner pot which accommodates rice and water.
第９図にみるように、内釜（13）内の水蒸気は蒸気抜
き（10）からは大気へ抜けるが、それ以外の水蒸気の漏
洩を防止するため、シール材（７）の祈り返し部（7c）
を内釜（13）の縁部（13a）に密着させている。As shown in FIG. 9, the steam in the inner pot (13) escapes to the atmosphere from the steam vent (10), but in order to prevent the leakage of other steam, the prayer return portion ( 7c)
To the edge (13a) of the inner pot (13).
［発明が解決しようとする課題］ ところで炊飯中の炊飯器において、内釜（13）内の水
蒸気はシール材（７）によりシールされ、原則的には内
釜（13）内の水蒸気は蒸気抜き（10）以外からは漏洩し
ない筈である。しかし実際には第９図において、ねじ
（９）とねじ孔（6b）との間隙や、シール材（７）と裏
蓋（６）とのわずかの隙間を通って、矢印に示すよう
に、内釜（13）内の水蒸気は炊飯器内に放散する。[Problems to be Solved by the Invention] In a rice cooker during rice cooking, the steam in the inner pot (13) is sealed by a sealing material (7). It should not leak from anything other than (10). In practice, however, in FIG. 9, through the gap between the screw (9) and the screw hole (6b) and the slight gap between the sealing material (7) and the back cover (6), as shown by the arrows, Water vapor in the inner pot (13) diffuses into the rice cooker.
このように内釜（13）から放散した水蒸気の一部は、
蓋（３）の裏面に溜まって凝縮し水滴となる。蓋（３）
の裏面には、炊飯器の動作を制御するための制御基板が
収納されており、こうした部品が上記水滴により錆の発
生その他の悪影響を受けると、制御トラブルの原因とな
りやすい。そのため内釜内の水蒸気の漏洩防止について
は、かねてよりその対策が要望されていた。Some of the water vapor released from the inner pot (13)
It accumulates on the back surface of the lid (3) and condenses to form water droplets. Lid (3)
A control board for controlling the operation of the rice cooker is housed on the back surface of the device. If such components are rusted or otherwise adversely affected by the water droplets, control problems are likely to occur. Therefore, measures for preventing the leakage of water vapor in the inner pot have long been demanded.
本発明は従来装置の上記問題点を解消するためになさ
れたもので、内釜（13）内の水蒸気の外部への漏洩を完
全に防止した炊飯器を提供しようとするものである。The present invention has been made to solve the above problems of the conventional apparatus, and an object of the present invention is to provide a rice cooker in which water vapor in an inner pot (13) is completely prevented from leaking to the outside.
［課題を解決するための手段］ 上記目的を達成するため、本発明に係る炊飯器におい
ては、裏蓋のねじ孔の近傍にシール材受けを形成すると
ともに、シール材のねじ孔はめくら孔とした。Means for Solving the Problems In order to achieve the above object, in a rice cooker according to the present invention, a seal material receiver is formed near a screw hole of a back cover, and the screw hole of the seal material is formed as a blind hole. did.
［作用］ 裏蓋のねじ孔の近傍にシール受けを設けることによ
り、放熱板をシール材を介し裏蓋に装着したとき、シー
ル材と裏蓋裏面との接着がより完全となり、シール材と
裏蓋との間隙からの水蒸気の漏洩が防止される。[Operation] By providing a seal receiver near the screw hole of the back cover, when the heat sink is attached to the back cover via the sealing material, the adhesion between the sealing material and the back surface of the back cover becomes more complete, and the sealing material and the back surface are provided. Leakage of water vapor from the gap with the lid is prevented.
またシール材のねじ孔を片側に閉塞部を有するめくら
孔としたので、止めねじで放熱板とシール材を裏蓋に装
着する際、シール材のめくら孔の閉塞部分が止めねじと
ともにねじ孔に捩込まれ、止めねじとねじ孔間の僅かの
間隙を埋めることになり、ねじ部を通っての水蒸気の漏
洩を防止する。In addition, the screw hole of the seal material is a blind hole with a closed part on one side, so when attaching the heat sink and the seal material to the back cover with a set screw, the closed part of the blind hole of the seal material is screwed together with the set screw into the screw hole. It will be screwed in and will fill the slight gap between the set screw and the screw hole, preventing the leakage of water vapor through the thread.
［実施例］ 第１図は本発明の一実施例を示す裏蓋（６）の裏面
図、第２図はシール材（７）の平面図、また第３図
（ａ）、（ｂ）はそれぞれ裏蓋、シール材のねじ孔部の
拡大断面図である。図中（20）はシール材受け、（21）
はシール材（７）のめくら孔、（21a）はその孔の閉塞
部である。FIG. 1 is a rear view of a back cover (6) showing an embodiment of the present invention, FIG. 2 is a plan view of a sealing material (7), and FIGS. It is an expanded sectional view of the screw hole part of a back lid and a sealing material, respectively. In the figure, (20) is the seal material receiver, (21)
Is a blind hole of the sealing material (7), and (21a) is a closed portion of the hole.
図にみるように、裏部（６）のねじ孔（6b）の近傍に
半円形にシール材受け（20）を形成するとともに、シー
ル材（７）のねじ孔（7b）はめくら孔（21）とし、孔の
片側に閉塞部（21a）が設けられている。As shown in the figure, a semicircular seal receiver (20) is formed in the vicinity of the screw hole (6b) of the back part (6), and the screw hole (7b) of the seal material (7) is blind hole (21). ), And a closed portion (21a) is provided on one side of the hole.
第４図は放熱板（８）がシール材（７）を介して装着
されている裏蓋（６）のねじ孔部の断面図である。止め
ねじ（９）により放熱板（８）がシール材（６）を介し
て裏蓋（６）に装着される際、シール材のねじ孔（21）
の閉塞部（21a）は、止めねじ（９）により、止めねじ
（９）とともにねじ孔（6a）内にねじ込まれる。この結
果閉塞部（21a）は止めねじ（９）とねじ孔（6a）の僅
かの間隙を埋めることとなり、止めねじ（９）とねじ孔
（6a）との隙間からの水蒸気の漏洩は防止される。FIG. 4 is a sectional view of a screw hole of the back cover (6) to which the heat radiating plate (8) is attached via the sealing material (7). When the heat sink (8) is attached to the back cover (6) via the sealing material (6) by the set screw (9), the screw hole (21) of the sealing material is formed.
The closed portion (21a) is screwed into the screw hole (6a) together with the set screw (9) by the set screw (9). As a result, the closing portion (21a) fills a slight gap between the set screw (9) and the screw hole (6a), and leakage of water vapor from the gap between the set screw (9) and the screw hole (6a) is prevented. You.
なお本実施例においては、裏蓋の裏面に形成したシー
ル材受け（20）は、半円形に形成されているが半円形に
限るものでなく、方形や多角形でもよい。またその寸法
や断面形状についても特に限定するものではない。In the present embodiment, the seal material receiver (20) formed on the back surface of the back cover is formed in a semicircle, but is not limited to the semicircle, and may be a square or a polygon. The size and cross-sectional shape are not particularly limited.
［発明の効果］ 本発明は電気炊飯器の蓋体において、裏蓋のねじ孔の
近傍にシール材受けを形成するとともに、シール材のね
じ孔はめくら孔としたので、炊飯中内釜内の水蒸気の内
釜外への漏洩は完全に防止されることとなった。この結
果蓋内に収納されている制御機器の漏洩水蒸気による損
傷が完全に防止され、炊飯器の制御装置のトラブル発生
を大巾に低下させるという優れた効果を挙げることとな
った。[Effects of the Invention] In the lid of the electric rice cooker, the seal member receiver is formed in the vicinity of the screw hole of the back cover, and the screw hole of the seal material is a blind hole. Leakage of steam out of the inner pot was completely prevented. As a result, the control device housed in the lid is completely prevented from being damaged by the leaked water vapor, and an excellent effect of greatly reducing the occurrence of troubles in the rice cooker control device is obtained.
第１図は本発明の一実施例である炊飯器の裏蓋の裏面に
形成したシール受けを示す裏蓋の裏面図、第２図はねじ
孔をめくら孔としたシール材の平面図、第３図（ａ）は
シール受けを備えた裏蓋のねじ孔部の拡大断面図、同
（ｂ）はねじ孔をめくら孔としたシール材の拡大断面
図、第４図は放熱板をシール材を介して装着した裏蓋の
ねじ孔部の拡大断面図、第５図は従来の炊飯器の蓋体を
構成する部品の斜視図、第６図はその裏蓋の裏面図、第
７図はそのシール材の平面図、第８図はその裏蓋とシー
ル材のねじ孔部の拡大断面図、第９図は放熱板をシール
材を介して装着した裏蓋のねじ孔部の拡大断面図であ
る。 図中（６）は裏蓋、（７）はシール材、（８）は放熱
板、（９）は止めねじ、（13）は内釜、（20）はシール
材受け、（21）はねじ孔、（21a）はその閉塞部であ
る。 なお図中の同一符号は同一または相当部品を示すものと
する。FIG. 1 is a rear view of a back cover showing a seal receiver formed on the back surface of a rice cooker according to one embodiment of the present invention, FIG. 2 is a plan view of a sealing material having screw holes as blind holes, FIG. 3 (a) is an enlarged cross-sectional view of a screw hole of a back cover provided with a seal receiver, FIG. 3 (b) is an enlarged cross-sectional view of a seal material having blind holes, and FIG. 5 is an enlarged cross-sectional view of the screw hole of the back cover mounted through the base plate, FIG. 5 is a perspective view of components constituting a cover of the conventional rice cooker, FIG. 6 is a back view of the back cover, and FIG. FIG. 8 is an enlarged cross-sectional view of the screw hole of the back cover and the sealing material. FIG. 9 is an enlarged cross-sectional view of the screw hole of the back cover in which a heat sink is mounted via a sealing material. It is. In the figure, (6) is a back cover, (7) is a sealing material, (8) is a heat sink, (9) is a set screw, (13) is an inner pot, (20) is a sealing material receiver, and (21) is a screw. The hole, (21a), is the closure. The same reference numerals in the drawings indicate the same or corresponding parts.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 塚原 広明 埼玉県大里郡花園町大字小前田1728番地 １ 三菱電機ホーム機器株式会社内 (72)発明者 石井 寛夫 埼玉県大里郡花園町大字小前田1728番地 １ 三菱電機ホーム機器株式会社内 (72)発明者 高木 和彦 埼玉県大里郡花園町大字小前田1728番地 １ 三菱電機ホーム機器株式会社内 (56)参考文献 実開 平２−86430（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.6，ＤＢ名) A47J 27/00 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Hiroaki Tsukahara 1728 Koeda, Oaza, Hanazono-cho, Osato-gun, Saitama 1 Inside Mitsubishi Electric Home Equipment Co., Ltd. Inside Mitsubishi Electric Home Equipment Co., Ltd. (72) Inventor Kazuhiko Takagi 1728 Koeda, Oaza, Hanazono-cho, Osato-gun, Saitama 1 Inside Mitsubishi Electric Home Equipment Co., Ltd. ) Surveyed field (Int.Cl. 6 , DB name) A47J 27/00
Claims (1)
した裏蓋において、 前記裏蓋にねじ孔を設け、該ねじ孔の近傍にシール材受
けを形成し、上記ねじ孔を閉塞する閉塞部を備えたシー
ル材を上記裏蓋と放熱板で挟持して固定したことを特徴
とする電気炊飯器。1. A back cover disposed on a lid of an electric rice cooker so as to face an inner pot, wherein a screw hole is provided in the back cover, and a seal material receiver is formed near the screw hole. An electric rice cooker, wherein a sealing material having a closing portion for closing a hole is sandwiched and fixed between the back cover and a heat sink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15964790A JP2932085B2 (en) | 1990-06-20 | 1990-06-20 | Electric rice cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15964790A JP2932085B2 (en) | 1990-06-20 | 1990-06-20 | Electric rice cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0451915A JPH0451915A (en) | 1992-02-20 |
| JP2932085B2 true JP2932085B2 (en) | 1999-08-09 |
Family
ID=15698284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15964790A Expired - Lifetime JP2932085B2 (en) | 1990-06-20 | 1990-06-20 | Electric rice cooker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2932085B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6086302B2 (en) | 2012-12-12 | 2017-03-01 | スズキ株式会社 | Unequally divided vehicle seat structure |
-
1990
- 1990-06-20 JP JP15964790A patent/JP2932085B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0451915A (en) | 1992-02-20 |
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