JPS637144Y2 - - Google Patents
Info
- Publication number
- JPS637144Y2 JPS637144Y2 JP2123385U JP2123385U JPS637144Y2 JP S637144 Y2 JPS637144 Y2 JP S637144Y2 JP 2123385 U JP2123385 U JP 2123385U JP 2123385 U JP2123385 U JP 2123385U JP S637144 Y2 JPS637144 Y2 JP S637144Y2
- Authority
- JP
- Japan
- Prior art keywords
- packing
- lid
- pressure
- outer peripheral
- side wall
- 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
Links
- 238000012856 packing Methods 0.000 claims description 22
- 230000002093 peripheral effect Effects 0.000 description 18
- 238000010411 cooking Methods 0.000 description 10
- 238000004880 explosion Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、バヨネツト係合方式の圧力調理器に
通常備えられる制圧弁及び安全弁が何れも故障し
て作動しない場合においても、調理器内の過昇蒸
気圧を外部に放出可能な圧力調理器に関するもの
である。[Detailed description of the invention] (Industrial application field) The present invention is designed to prevent damage to the inside of the cooker even when both the pressure control valve and safety valve normally provided in bayonet engagement type pressure cookers fail and do not operate. This invention relates to a pressure cooker that can release excessively elevated steam pressure to the outside.
（従来技術と問題点）
バヨネツト係合方式の圧力調理器においては、
通常、調理中における調理器内の蒸気圧を所定圧
力に維持する制圧弁と、該制圧弁の蒸気流通路に
異物が詰つて制圧弁が動作しなくなつた場合に調
理器内の過昇蒸気圧を外部に放出して爆発事故等
を阻止する安全弁とが蓋に取付けられているが、
上記の制圧弁及び安全弁の双方が故障により作動
しない場合は、調理器の転倒或いは爆発等の事故
が発生するおそれがあり極めて危険である。(Prior art and problems) In bayonet engagement type pressure cookers,
Normally, there is a pressure control valve that maintains the steam pressure inside the cooker at a predetermined pressure during cooking, and a pressure control valve that maintains the steam pressure inside the cooker at a predetermined pressure. A safety valve is attached to the lid to release pressure to the outside and prevent explosions, etc.
If both the above-mentioned pressure control valve and safety valve do not operate due to failure, it is extremely dangerous as accidents such as overturning or explosion of the cooker may occur.
そこで、上記の事故防止対策として従来次のよ
うな手段が提案されている。 Therefore, the following measures have been conventionally proposed as measures to prevent the above-mentioned accidents.
即ち、第４図に示すように、制圧弁Ａ及び安全
弁Ｂを備えた蓋１には、その外周側壁２の下部周
縁に、調理器本体３の開口周縁に形成されている
複数の外方折曲係合片４に係合する複数の内方折
曲係合片５が形成され（バヨネツト係合方式の各
係合片）、この係合片５が形成されていない外周
側壁２の一個所に蒸気放出孔６が設けられてい
る。 That is, as shown in FIG. 4, the lid 1 equipped with the pressure control valve A and the safety valve B has a plurality of outward folds formed at the lower periphery of the outer peripheral side wall 2 at the periphery of the opening of the cooking device main body 3. A plurality of inwardly bent engagement pieces 5 that engage with the curved engagement piece 4 are formed (each engagement piece of the bayonet engagement method), and there is one place on the outer peripheral side wall 2 where this engagement piece 5 is not formed. A steam release hole 6 is provided in the.
而して、蓋１の外周側壁２の内周面に沿いリン
グ状にして断面ほぼＶ字状のパツキング７を配置
した蓋１を調理器本体３に被蓋して所定蒸気圧で
調理を行つている際には、第５図に示すように、
パツキング７の上方薄肉部７ａが蓋１の内面に、
中央厚肉部７ｂが蓋１の外周側壁２の内面に、下
方薄肉部７ｃが調理器本体３の開口外周縁に夫々
圧接し、かつ中央厚肉部７ｂが上記の蒸気放出孔
６を閉塞して調理器内を密封している。 Then, the lid 1, which has a ring-shaped packing 7 arranged along the inner peripheral surface of the outer peripheral side wall 2 of the lid 1 and has a substantially V-shaped cross section, is placed over the cooking device main body 3, and cooking is performed at a predetermined steam pressure. As shown in Figure 5, when
The upper thin part 7a of the packing 7 is on the inner surface of the lid 1,
The central thick portion 7b is in pressure contact with the inner surface of the outer peripheral side wall 2 of the lid 1, and the lower thin portion 7c is in pressure contact with the outer peripheral edge of the opening of the cooking device main body 3, respectively, and the central thick portion 7b closes the steam release hole 6. The inside of the cooker is sealed.
そして、万一制圧弁Ａ及び安全弁Ｂが何れも故
障した場合には、第６図に示すように、調理器内
の過昇蒸気圧によりパツキング７の下方薄肉部７
ｃが蒸気放出孔６から外方へ向けて押出され、所
定蒸気圧で閉塞していた蒸気放出孔６を開いて蒸
気圧を外部へ放出するものである。 If both the pressure control valve A and the safety valve B fail, as shown in FIG.
c is extruded outward from the steam release hole 6, and the steam release hole 6, which had been blocked at a predetermined steam pressure, is opened and the steam pressure is released to the outside.
以上のように、従来のものはパツキング７の弾
性変形によるものであるが、次のような欠点を有
する。 As described above, the conventional method relies on elastic deformation of the packing 7, but it has the following drawbacks.
(a) 蓋１に蒸気放出孔６の穿設加工が必要であ
り、また外観上好ましくない。(a) It is necessary to drill a steam release hole 6 in the lid 1, and the appearance is unfavorable.
(b) パツキング７の中央厚肉部が全周均一な肉厚
に形成されているので、過昇蒸気圧が作用した
場合に、下部薄肉部７ｃの上記変形が円滑に行
われ難い。(b) Since the central thick part of the packing 7 is formed to have a uniform thickness all around, it is difficult for the lower thin part 7c to deform smoothly when excessive steam pressure is applied.
（問題点を解決するための手段）
本考案は、バヨネツト係合方式の圧力調理器に
おいて、外周に等円弧長の複数個の凸部と凹部と
を交互に形成したリング状にして断面ほぼＶ字状
のパツキングを蓋の外周側壁内面に沿い配置した
ことにある。(Means for Solving the Problems) The present invention provides a bayonet engagement type pressure cooker with a ring shape in which a plurality of convex portions and concave portions of equal arc length are alternately formed on the outer periphery, and the cross section is approximately V. This is because the letter-shaped packing is arranged along the inner surface of the outer peripheral side wall of the lid.
そして、制圧弁及び安全弁がともに故障のため
不作動のときには、パツキングの凹部が蓋の外周
側壁内面との間に可撓変形許容間隙を有するた
め、過昇蒸気圧を受けて容易に変形し、該凹部に
連続する下方薄肉部が調理器本体の開口周縁より
脱れ蒸気圧を外部へ放出するものである。 When both the pressure control valve and the safety valve are inoperable due to a failure, the concave part of the packing has a flexible deformation allowable gap between the inner surface of the outer peripheral side wall of the lid, so it easily deforms due to excessive steam pressure. A lower thin wall portion continuous with the recessed portion escapes from the opening periphery of the cooking device main body and releases steam pressure to the outside.
（実施例） 本考案の実施例を図面を参照して説明する。(Example) Embodiments of the present invention will be described with reference to the drawings.
なお、本考案は、上記手段に記すように、パツ
キングの形状に主要部があり、そして該パツキン
グにより蓋の外周側壁には従来例の如く蒸気放出
孔を設ける必要をなくしたものであつて、他の構
成は従来列と異なるところがないので、蓋及び調
理器本体については第４図を援用し、その構成の
説明は省略する。 In addition, as described in the above means, the main part of the present invention is the shape of the packing, and the packing eliminates the need to provide a steam release hole in the outer peripheral side wall of the lid as in the conventional case. Since the other configurations are the same as those of the conventional series, FIG. 4 will be referred to for the lid and the cooker body, and the explanation of the configuration will be omitted.
第１図は本考案の主要部とするリング状のパツ
キングを示すもので、該パツキング１０は同図Ａ
の平面図、同図Ｂ，Ｃの断面図にみられるよう
に、上方薄肉部１０ａ、中央厚肉部１０ｂ及び下
方薄肉部１０ｃが一体に形成されて断面ほぼＶ字
状をなし、上記中央厚肉部１０ｂの外周面には等
円弧長の複数個の凸部１０b1と凹部１０b2とが交
互に形成されている（凸部b1と凹部１０b2との各
外周面の間には間隙ｌが存在する）。 FIG. 1 shows the ring-shaped packing which is the main part of the present invention, and the packing 10 is shown in FIG.
As can be seen in the plan view of FIG. A plurality of protrusions 10b 1 and recesses 10b 2 of equal arc length are alternately formed on the outer peripheral surface of the flesh portion 10b (there is a gap between the outer peripheral surfaces of the protrusions b 1 and recesses 10b 2 ). l exists).
而して、上記凹部１０b2（又は凸部１０b1）の
形成個数はバヨネツト係合用の上記係合片４，５
の個数より多く設定されている。 Therefore, the number of the recessed portions 10b 2 (or convex portions 10b 1 ) formed is equal to the number of the engaging pieces 4, 5 for bayonet engagement.
The number of items is set to be greater than the number of items.
（作用）
パツキング１０を蓋１の外周側壁２の内面に沿
い配置し、調理器本体３に被蓋して所定蒸気圧で
調理中には（制圧弁Ａが作動）、第２図に示すよ
うに、パツキング１０の凸部１０b1が蓋１の外周
側壁２の内面に圧接し（凹部１０b2は外周側壁２
の内面と間隙ｌだけ離れている）、上方薄肉部１
０ａが蓋１の内面に、また下方薄肉部１０ｃが調
理器本体３の開口周縁に夫々圧接した状態にあ
り、しかも凹部１０b2が上記のように係合片４，
５の個数より数多く形成されているので、係合片
５上に位置しない凹部１０b2（即ち、係合片４，
５のバヨネツト係合部以外の凹部１０b2）は蓋１
の外周側壁２と調理器本体３との間に存在する間
隙に臨んでいる。(Function) The packing 10 is arranged along the inner surface of the outer peripheral side wall 2 of the lid 1, and when the cooking device main body 3 is covered and cooking is performed at a predetermined steam pressure (pressure control valve A is activated), as shown in FIG. , the convex portion 10b 1 of the packing 10 is pressed against the inner surface of the outer peripheral side wall 2 of the lid 1 (the recessed portion 10b 2 is pressed against the inner surface of the outer peripheral side wall 2).
(separated from the inner surface by a gap l), the upper thin wall part 1
0a is in pressure contact with the inner surface of the lid 1, and the lower thin part 10c is in pressure contact with the opening periphery of the cooking device main body 3, and the recess 10b2 is in contact with the engaging piece 4, as described above.
5, the number of recesses 10b 2 that are not located on the engaging piece 5 (i.e., the engaging piece 4,
The recessed portion 10b2 ) other than the bayonet engaging portion of No. 5 is the lid 1.
It faces the gap existing between the outer peripheral side wall 2 and the cooking device main body 3.
したがつて、制圧弁Ａ及び安全弁Ｂの双方が不
作動につた場合には、過昇蒸気圧によりパツキン
グ１０の凹部１０b2は、蓋１の外周側壁２に内面
との間に間隙ｌの可撓変形許容部分を有するた
め、下方薄肉部１０ｃの拡開傾向と共に蓋１の外
周側壁２の内面方向へ容易に変形し、第３図に示
すように、下方薄肉部１０ｃが調理器本体３の開
口周縁より外方へ離脱して調理器内部を外部へ連
通し、蒸気圧を放出する。 Therefore, if both the pressure control valve A and the safety valve B become inoperable, the recess 10b2 of the packing 10 will close to the gap 1 between the outer peripheral side wall 2 and the inner surface of the lid 1 due to excessive steam pressure. Since it has a bendable deformable portion, it easily deforms toward the inner surface of the outer peripheral side wall 2 of the lid 1 as the lower thin wall portion 10c tends to expand, and as shown in FIG. It separates outward from the periphery of the opening, communicates the inside of the cooker with the outside, and releases steam pressure.
なお、実施例では、パツキングの凸部と凹部を
等円弧長のものとしたが、前記作用の記載より、
等円弧長に限定されるものでないことは明らかで
ある。 In addition, in the example, the convex part and the concave part of the packing were made to have equal arc lengths, but from the description of the above-mentioned operation,
It is clear that the arc length is not limited to equal arc lengths.
（効果）
本考案は、リング状にして断面ほぼＶ字状のパ
ツキングの外周に複数個の凸部と凹部とを交互に
形成したので、蓋の外周側壁内面との間に過昇蒸
気圧の受圧による可撓変形許容間隙を有する凹部
が容易に変形して蒸気圧を外部へ放出することが
でき、調理器の転倒或いは爆発等の事故を防止す
ることができる。(Effects) In the present invention, a plurality of convex portions and concave portions are alternately formed on the outer periphery of the packing, which is ring-shaped and has an approximately V-shaped cross section. The recessed portion having a gap that allows for flexible deformation due to receiving pressure can be easily deformed to release steam pressure to the outside, and accidents such as overturning or explosion of the cooker can be prevented.
また、既存の圧力調理器のパツキングと交換し
て上記事故を未然に防止することができる。 Moreover, the above-mentioned accidents can be prevented by replacing the packing of the existing pressure cooker.
第１図は本考案のパツキングの実施例を示し、
同図Ａは平面図、同図ＢはＡのＸ−Ｘ線拡大断面
図、同図ＣはＡのＹ−Ｙ線拡大断面図、第２図は
パツキングの装着状態を示す断面図、第３図はパ
ツキングの作動状態を示す断面図、第４図は従来
の圧力調理器の斜視図、第５図はパツキングの装
着状態の断面図、第６図はパツキングの作動状態
の断面図である。
１……蓋、２……外周側壁、３……調理器本
体、４，５……係合片、１０……パツキング、１
０ａ……上方薄肉部、１０ｂ……中央厚肉部、１
０b1……凸部、１０b2……凹部、１０ｃ……下方
薄肉部。
FIG. 1 shows an embodiment of packing of the present invention,
Figure A is a plan view, Figure B is an enlarged cross-sectional view of A along the line X-X, Figure C is an enlarged cross-sectional view of A along the Y-Y line, Figure 2 is a cross-sectional view showing the packing installed, and Figure 3 is an enlarged cross-sectional view of A along the Y-Y line. 4 is a perspective view of a conventional pressure cooker, FIG. 5 is a sectional view of the packing in its installed state, and FIG. 6 is a sectional view of the packing in its operating state. DESCRIPTION OF SYMBOLS 1... Lid, 2... Outer peripheral side wall, 3... Cooker main body, 4, 5... Engagement piece, 10... Packing, 1
0a... Upper thin wall part, 10b... Center thick wall part, 1
0b 1 --- Convex portion, 10b 2 --- Concave portion, 10c --- Lower thin wall portion.
Claims (1)
周に複数個の凸部と凹部とを交互に形成したリン
グ状にして断面ほぼＶ字状のパツキングを蓋の外
周側壁内面に沿い配置したことを特徴とする圧力
調理器。 A bayonet engagement type pressure cooker is characterized in that a ring-shaped packing having a plurality of alternating protrusions and recesses formed on the outer periphery and having a substantially V-shaped cross section is arranged along the inner surface of the outer periphery side wall of the lid. pressure cooker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2123385U JPS637144Y2 (en) | 1985-02-19 | 1985-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2123385U JPS637144Y2 (en) | 1985-02-19 | 1985-02-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61137319U JPS61137319U (en) | 1986-08-26 |
| JPS637144Y2 true JPS637144Y2 (en) | 1988-03-01 |
Family
ID=30512442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2123385U Expired JPS637144Y2 (en) | 1985-02-19 | 1985-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS637144Y2 (en) |
-
1985
- 1985-02-19 JP JP2123385U patent/JPS637144Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61137319U (en) | 1986-08-26 |
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