JPH0534372Y2 - - Google Patents
Info
- Publication number
- JPH0534372Y2 JPH0534372Y2 JP11521288U JP11521288U JPH0534372Y2 JP H0534372 Y2 JPH0534372 Y2 JP H0534372Y2 JP 11521288 U JP11521288 U JP 11521288U JP 11521288 U JP11521288 U JP 11521288U JP H0534372 Y2 JPH0534372 Y2 JP H0534372Y2
- Authority
- JP
- Japan
- Prior art keywords
- hole
- air
- valve
- air exhaust
- exhaust hole
- 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
- 230000005489 elastic deformation Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Pressure Vessels And Lids Thereof (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は密封容器内の負圧状態を自動的に解消
し得るようにした密封容器の減圧弁構造に関す
る。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a pressure reducing valve structure for a sealed container that can automatically eliminate a negative pressure state within the sealed container.
（従来の技術）
容器本体と該本体の開口を開閉自在に密封する
蓋体とを備える弁当箱等の密封容器には、蓋体に
空気孔を設けると共に、空気孔を塞ぐ弁体を容器
本体内部の負圧により空気孔を開放するように設
け、密封容器内の負圧状態を自動的に解消し得る
ようにしたものがある（実公昭61−26207号公
報）。(Prior art) In a sealed container such as a lunch box that includes a container body and a lid that opens and closes the opening of the body, an air hole is provided in the lid, and a valve body that closes the air hole is installed in the container body. There is a device in which the air hole is opened by the internal negative pressure so that the negative pressure state inside the sealed container can be automatically eliminated (Japanese Utility Model Publication No. 61-26207).
しかし、従来の場合密封容器内が高圧になつた
場合、この高圧状態を解消する手段が何ら設けら
れていなかつた。 However, in the conventional case, when the inside of the sealed container becomes high pressure, no means has been provided to eliminate this high pressure state.
（考案が解決しようとする問題点）
従つて、従来では、密封容器に収納した収納物
を加熱等するために、密封容器ごと電子レンジ或
いはオーブンによつて加熱した場合、密封容器内
部が非常に高圧になつて、密封容器又は蓋体或い
は密封構造を破損する等の問題があつた。(Problem to be solved by the invention) Therefore, conventionally, when heating the contents stored in a sealed container in a microwave or oven, the inside of the sealed container becomes extremely hot. There were problems such as high pressure damaging the sealed container, lid, or sealing structure.
本考案は上記問題点に鑑み、密封容器ごと加熱
等する場合に、密封容器内部の高圧状態を解消し
得るようにしたものである。 In view of the above-mentioned problems, the present invention is designed to eliminate the high pressure state inside the sealed container when heating the entire sealed container.
（課題を解決するための手段）
この技術的課題を解決する本考案の技術的手段
は、容器本体１と、容器本体１の開口を開閉自在
に密封する蓋体３とを備え、蓋体３に空気孔９が
設けられると共に、空気孔９を塞ぐ弁体１４が設
けられ、弁体１４の下端に、前記空気孔９を塞ぐ
べく空気孔９の内側開口端縁に密着すると共に、
容器本体１内部の負圧時に空気孔９を開放すべく
弁体１４の弾性変形により空気孔９の内側開口端
縁から離間するフランジ部２１が設けられた密封
容器の減圧弁構造において、
蓋体３の空気孔９近傍に、空気排出孔２４が設
けられ、前記弁体１４に、前記空気排出孔２４を
塞ぐべく空気排出孔２４の外側開口端縁に密着す
ると共に、容器本体１内部の高圧時に空気排出孔
２４を開放すべく弾性変形により空気排出孔２４
の外側開口端縁から離間する開閉弁２６が設けら
れている点にある。(Means for Solving the Problem) The technical means of the present invention for solving this technical problem includes a container body 1 and a lid body 3 that seals the opening of the container body 1 so as to be openable and closable. An air hole 9 is provided in the air hole 9, and a valve body 14 is provided to close the air hole 9, and the lower end of the valve body 14 is in close contact with the inner opening edge of the air hole 9 to close the air hole 9.
In a pressure reducing valve structure for a sealed container, the lid body is provided with a flange portion 21 that is separated from the inner opening edge of the air hole 9 by elastic deformation of the valve body 14 in order to open the air hole 9 when the inside of the container body 1 is under negative pressure. An air exhaust hole 24 is provided in the vicinity of the air hole 9 of No. 3, and the valve body 14 is in close contact with the outer opening edge of the air exhaust hole 24 in order to close the air exhaust hole 24, and to prevent high pressure inside the container body 1. When the air exhaust hole 24 is opened, the air exhaust hole 24 is elastically deformed to open the air exhaust hole 24.
An opening/closing valve 26 is provided which is spaced apart from the outer opening edge of the opening.
（作用）
本体１内部が負圧になると、本体１内外の圧力
差により、弁体１４が弾性変形乃至移動して、空
気孔９が自動的に開放し、本体１内の負圧状態が
解消される。(Function) When the inside of the main body 1 becomes negative pressure, the valve body 14 is elastically deformed or moved due to the pressure difference inside and outside the main body 1, and the air hole 9 is automatically opened, and the negative pressure state inside the main body 1 is eliminated. be done.
本体１内部が高圧になると、空気排出孔２４か
ら本体１内部の空気が排出され、本体１内部の高
圧状態が解消される。 When the inside of the main body 1 becomes high pressure, the air inside the main body 1 is discharged from the air exhaust hole 24, and the high pressure state inside the main body 1 is eliminated.
（実施例）
以下、本考案を図示の実施例に従つて説明する
と、第１図乃至第５図において、１は弁当箱等の
密封容器の容器本体で、合成樹脂等により上端が
開口した直方体形状の箱形に形成され、その開口
縁部の長辺側には一対の係止受部２が外方突設さ
れている。３は容器本体１の上端開口を開閉自在
に密封する蓋体で、この蓋体３には係止受部２に
対応して一対の支持部４が幅方向外方に突設され
ている。５は係止部材で、その両端部は前記支持
部４に水平軸６廻りに回動自在に枢支されてお
り、係止部材５を支持部４から下方突出するよう
に回動したとき、係止部材５が係止受部２の下面
に係脱自在に係合し、この係合によりシール部材
７を介して蓋体３を容器本体１に対してその上端
開口に密封するように着脱自在に固定できるよう
になつている。(Example) Hereinafter, the present invention will be explained according to the illustrated embodiment. In Figures 1 to 5, 1 is a container body of a sealed container such as a lunch box, which is a rectangular parallelepiped made of synthetic resin or the like with an open top end. It is formed into a box shape, and a pair of locking receivers 2 are provided to protrude outward from the long sides of the opening edge. Reference numeral 3 denotes a lid body that opens and closes the upper end opening of the container body 1, and a pair of support portions 4 are provided on the lid body 3 to protrude outward in the width direction in correspondence with the locking receiving portions 2. Reference numeral 5 denotes a locking member, both ends of which are rotatably supported on the support portion 4 about a horizontal axis 6. When the locking member 5 is rotated so as to project downward from the support portion 4, The locking member 5 detachably engages with the lower surface of the locking receiver 2, and this engagement allows the lid 3 to be attached to and detached from the container body 1 through the sealing member 7 so as to seal the upper end opening thereof. It can be fixed freely.
９は蓋体３の一隅部に設けた空気孔で、この空
気孔９は上側の大径孔部１０と下側の小径孔部１
１とを段部１２を介して有する階段状に形成さ
れ、段部１２の内側上縁には環状凹部１３が没設
形成されている。１４は空気孔９を塞ぐ弁体で、
本体１内部の負圧により弾性変形自在になるよう
にシリコンゴム等の弾性材により構成され、該弁
体１４は大径孔部１０に嵌合した大径部１５と小
径孔部１１に嵌合した小径部１６とを備える。 Reference numeral 9 denotes an air hole provided in one corner of the lid body 3, and this air hole 9 has a large diameter hole 10 on the upper side and a small diameter hole 1 on the lower side.
1 with a step 12 interposed therebetween, and an annular recess 13 is sunk in the upper inner edge of the step 12. 14 is a valve body that closes the air hole 9;
The valve body 14 is made of an elastic material such as silicone rubber so as to be elastically deformable by the negative pressure inside the main body 1, and the valve body 14 is fitted into the large diameter part 15 which is fitted into the large diameter hole 10 and into the small diameter hole 11. A small diameter portion 16 is provided.
１７は空気孔９の孔壁と弁体１４との間に設け
た空気通路で、大径孔部１０の孔壁と大径部１５
との間の間隙１８と、段部１２に径方向に対応し
て下方没設した一対の上部通路１９と、小径孔部
１１の孔壁を径方向外方に上部通路１９から小径
孔部１１下端に亘つて凹設形成した下部通路２０
とを備えて成る。２１は弁体１４の下端に設けた
フランジ部で、空気通路１７を塞ぐように空気孔
９の内側（下側）開口端縁に接離自在に密着して
いる。 17 is an air passage provided between the hole wall of the air hole 9 and the valve body 14;
a pair of upper passages 19 recessed downward in radial correspondence with the step portion 12; and a hole wall of the small diameter hole 11 extending radially outward from the upper passage 19 to the small diameter hole 11. Lower passage 20 formed concavely across the lower end
It consists of: Reference numeral 21 denotes a flange portion provided at the lower end of the valve body 14, which is in close contact with the inner (lower) opening edge of the air hole 9 so as to be able to freely approach and separate from it so as to close the air passage 17.
２４は蓋体３に設けた空気排出孔で、空気孔９
の周囲に周方向等間隔をおいて複数個（図例では
４個）設けられ、蓋体３に上下貫通状に形成され
ている。２５は弁体１４に一体に設けた鍔体で、
弁体１４の上端部に蓋体３上面に沿うように突設
されている。２６は鍔体２５の外周部下面に設け
た開閉弁で、空気排出孔２４に対応して複数個下
方突設され、鍔体２５の上方へ弾性変形により空
気排出孔２４を開閉自在に塞ぐようになつてい
る。 24 is an air exhaust hole provided in the lid body 3, and the air hole 9
A plurality (four in the illustrated example) are provided around the periphery at equal intervals in the circumferential direction, and are formed vertically through the lid 3. 25 is a collar body provided integrally with the valve body 14;
A valve body 14 is provided with a protruding portion at its upper end along the upper surface of the lid body 3 . Reference numeral 26 designates on-off valves provided on the lower surface of the outer periphery of the flange body 25. A plurality of valves 26 are provided to protrude downward in correspondence with the air exhaust holes 24, and are configured to open and close the air exhaust holes 24 by elastic deformation upwards of the flange body 25. It's getting old.
上記実施例の構成によれば、本体１内部が負圧
になると、第４図および第５図に鎖線で示す如
く、本体１内外の圧力差により大径部１５は中央
部が下降して環状凹部１３内に突出するように弓
形に弾性変形し、小径部１６が小径孔部１１内を
下方移動すると共に、フランジ部２１が空気孔９
の下側開口縁部から離間するように下方移動す
る。その結果空気通路１７が自動的に開放し、本
体１内の負圧状態が解消される。そしてその後は
弁体１４がその弾性力により元の状態に戻り、フ
ランジ部２１によつて空気通路１７が塞さがれ
る。なお、弁体１４の大径部１５上面を指で下方
押圧することによつて、フランジ部２１を下方移
動させて、空気通路１７を開放することも可能で
ある。 According to the configuration of the above embodiment, when the inside of the main body 1 becomes negative pressure, the center part of the large diameter part 15 is lowered to form an annular shape due to the pressure difference between the inside and outside of the main body 1, as shown by the chain lines in FIGS. 4 and 5. The small diameter portion 16 is elastically deformed into an arcuate shape so as to protrude into the recess 13, and the small diameter portion 16 moves downward within the small diameter hole 11, and the flange portion 21 moves into the air hole 9.
move downward away from the lower opening edge of the As a result, the air passage 17 is automatically opened, and the negative pressure inside the main body 1 is eliminated. Thereafter, the valve body 14 returns to its original state due to its elastic force, and the air passage 17 is closed by the flange portion 21. It is also possible to move the flange portion 21 downward and open the air passage 17 by pressing the upper surface of the large diameter portion 15 of the valve body 14 downward with a finger.
また、密封容器の加熱等により、本体１内部が
高圧になると、本体１内の圧力により開閉弁２６
が上方に開放されて、第１図に鎖線で示す如く鍔
体２５が弾性変形により上方に湾曲し、これによ
り空気排出孔２４が開放し、該空気排出孔２４か
ら本体１内部の空気が排出され、本体１内の高圧
状態が自動的に解消される。 In addition, when the inside of the main body 1 becomes high pressure due to heating of the sealed container, etc., the pressure inside the main body 1 causes the opening/closing valve 26 to
is opened upward, and the collar body 25 is elastically deformed and curved upward as shown by the chain line in FIG. The high pressure condition within the main body 1 is automatically eliminated.
第６図および第７図は他の実施例を示し、蓋体
３の空気孔９近傍に空気排出孔２４を１つ設け、
弁体１４の上端部に鍔体２５を空気排出孔２４側
に向けて突出するように設け、この鍔体２５の先
端部下面に空気排出孔２４に対応して開閉弁１６
を１個突設したものである。その他の点は前記実
施例と同様の構成である。 6 and 7 show another embodiment, in which one air exhaust hole 24 is provided near the air hole 9 of the lid 3,
A collar body 25 is provided at the upper end of the valve body 14 so as to protrude toward the air discharge hole 24 side, and an on-off valve 16 is provided on the lower surface of the tip of the collar body 25 in correspondence with the air discharge hole 24.
It has one protruding piece. In other respects, the configuration is similar to that of the previous embodiment.
第８図は他の実施例を示し、空気排出孔２４を
下方側が徐々に細くなる先細り状に形成すると共
に、開閉弁２６を空気排出孔２４に対応して下側
が徐々に細なる円錐状に形成して、開閉弁２６を
空気排出孔２４に着脱自在に嵌合できるようにし
ている。また鍔体２５の外端部に摘み２８を設け
ている。そして、密封容器を加熱する場合には、
摘み２８を摘んで開閉弁２６の空気排出孔２４へ
の嵌合を外し、この状態で密封容器を加熱するこ
とにより、本体１内が高圧になつたとき、予じめ
開放した空気排出孔２４から本体１内の空気を排
出して、本体１内の高圧状態を解消するようにし
ている。なお、通常時は開閉弁２６を空気排出孔
２４に嵌合して、空気排出孔２４を閉じておけば
よい。 FIG. 8 shows another embodiment, in which the air exhaust hole 24 is formed into a tapered shape that gradually tapers on the lower side, and the on-off valve 26 is formed in a conical shape that gradually tapers on the lower side corresponding to the air exhaust hole 24. The opening/closing valve 26 can be removably fitted into the air exhaust hole 24 by forming the opening/closing valve 26 into the air exhaust hole 24. Further, a knob 28 is provided at the outer end of the collar body 25. When heating a sealed container,
By unfitting the on-off valve 26 from the air exhaust hole 24 by pinching the knob 28 and heating the sealed container in this state, when the inside of the main body 1 becomes high pressure, the air exhaust hole 24 opened in advance is removed. The air inside the main body 1 is discharged from the main body 1 to eliminate the high pressure state inside the main body 1. Note that, under normal conditions, the on-off valve 26 may be fitted into the air exhaust hole 24 to close the air exhaust hole 24.
第９図は他の実施例を示し、蓋体３の上面に弁
体１４の鍔体２５が着脱自在に嵌合する凹部２９
を設け、この凹部２９に鍔体２５を嵌合すること
により空気排出孔２４を鍔体２５中途部の開閉弁
２６により開閉自在に塞ぐようにしている。 FIG. 9 shows another embodiment, in which a recess 29 into which the flange 25 of the valve body 14 is removably fitted on the upper surface of the lid 3.
By fitting the flange body 25 into the recess 29, the air discharge hole 24 can be freely opened and closed by an on-off valve 26 in the middle of the flange body 25.
（考案の効果）
本考案によれば、蓋体３の空気孔９近傍に、空
気排出孔２４が設けられ、前記弁体１４に、前記
空気排出孔２４を塞ぐべく空気排出孔２４の外側
開口端縁に密着すると共に、容器本体１内部の高
圧時に空気排出孔２４を開放すべく弾性変形によ
り空気排出孔２４の外側開口端縁から離間する開
閉弁２６が設けられているので、電子レンジやオ
ーブン等によつて本体１内の収納物を密封容器ご
と加熱する場合、空気排出孔２４を開放すること
により、本体１内が高圧になつても空気排出孔２
４から本体１内の空気を排出でき、本体１内の高
圧状態を解消し得る。また、空気排出孔２４を蓋
体３又は弁体１４に設け、弁体１４に開閉弁２６
を設けているため、本体１内の負圧状態を解消す
るための弁構造と本体１内の高圧状態を解消する
ための弁構造とを同一部分に集中して形成でき、
それだけ構造が簡単になり、製造容易でかつ安価
に提供し得、その実用的効果は著大である。(Effect of the invention) According to the invention, the air exhaust hole 24 is provided in the vicinity of the air hole 9 of the lid body 3, and the outer opening of the air exhaust hole 24 is provided in the valve body 14 to close the air exhaust hole 24. An on-off valve 26 is provided that is in close contact with the edge and separates from the outer opening edge of the air exhaust hole 24 by elastic deformation in order to open the air exhaust hole 24 when the pressure inside the container body 1 is high. When heating the contents inside the main body 1 together with the sealed container using an oven or the like, by opening the air exhaust hole 24, even if the inside of the main body 1 becomes under high pressure, the air exhaust hole 2 can be heated.
The air inside the main body 1 can be discharged from the main body 1, and the high pressure state inside the main body 1 can be eliminated. Further, an air exhaust hole 24 is provided in the lid body 3 or the valve body 14, and an on-off valve 26 is provided in the valve body 14.
Since the valve structure is provided, the valve structure for resolving the negative pressure state within the main body 1 and the valve structure for resolving the high pressure state within the main body 1 can be formed in the same part,
This makes the structure simpler, easier to manufacture, and can be provided at a lower cost, and its practical effects are significant.
第１図乃至第５図は本考案の一実施例を示し、
第１図は第４図のＡ−Ａ線断面図、第２図は弁体
部分の平面図、第３図は空気孔部分の平面図、第
４図は全体平面図、第５図は全体側面図である。
第６図は他の実施例を示す断面図、第７図は同平
面図、第８図および第９図は夫々他の実施例を示
す断面図である。
１……容器本体、３……蓋体、９……空気孔、
１４……弁体、２４……空気排出孔、２６……開
閉弁。
1 to 5 show an embodiment of the present invention,
Figure 1 is a sectional view taken along the line A-A in Figure 4, Figure 2 is a plan view of the valve body, Figure 3 is a plan view of the air hole, Figure 4 is a plan view of the whole, and Figure 5 is the whole. FIG.
FIG. 6 is a sectional view showing another embodiment, FIG. 7 is a plan view thereof, and FIGS. 8 and 9 are sectional views showing other embodiments. 1... Container body, 3... Lid, 9... Air hole,
14...Valve body, 24...Air discharge hole, 26...Opening/closing valve.
Claims (1)
密封する蓋体３とを備え、蓋体３に空気孔９が設
けられると共に、空気孔９を塞ぐ弁体１４が設け
られ、弁体１４の下端に、前記空気孔９を塞ぐべ
く空気孔９の内側開口端縁に密着すると共に、容
器本体１内部の負圧時に空気孔９を開放すべく弁
体１４の弾性変形により空気孔９の内側開口端縁
から離間するフランジ部２１が設けられた密封容
器の減圧弁構造において、 蓋体３の空気孔９近傍に、空気排出孔２４が設
けられ、前記弁体１４に、前記空気排出孔２４を
塞ぐべく空気排出孔２４の外側開口端縁に密着す
ると共に、容器本体１内部の高圧時に空気排出孔
２４を開放すべく弾性変形により空気排出孔２４
の外側開口端縁から離間する開閉弁２６が設けら
れていることを特徴とする密封容器の減圧弁構
造。[Claims for Utility Model Registration] Comprising a container body 1 and a lid 3 that opens and closes the opening of the container body 1, the lid 3 is provided with an air hole 9, and a valve body that closes the air hole 9. 14 is provided at the lower end of the valve body 14, and the valve body 14 is in close contact with the inner opening edge of the air hole 9 to close the air hole 9, and to open the air hole 9 when the inside of the container body 1 is under negative pressure. In the pressure reducing valve structure for a sealed container, in which a flange portion 21 is provided which is separated from the inner opening edge of the air hole 9 due to elastic deformation of The air exhaust hole 24 is attached to the body 14 in close contact with the outer opening edge of the air exhaust hole 24 to close the air exhaust hole 24, and is elastically deformed to open the air exhaust hole 24 when the pressure inside the container body 1 is high.
A pressure reducing valve structure for a sealed container, characterized in that an on-off valve 26 is provided that is spaced apart from the outer opening edge of the container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11521288U JPH0534372Y2 (en) | 1988-08-31 | 1988-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11521288U JPH0534372Y2 (en) | 1988-08-31 | 1988-08-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0236650U JPH0236650U (en) | 1990-03-09 |
| JPH0534372Y2 true JPH0534372Y2 (en) | 1993-08-31 |
Family
ID=31356664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11521288U Expired - Lifetime JPH0534372Y2 (en) | 1988-08-31 | 1988-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0534372Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007091340A (en) * | 2005-09-01 | 2007-04-12 | Nishimune Kk | Airtight container |
| JP2007253996A (en) * | 2006-03-23 | 2007-10-04 | Iwasaki Kogyo Kk | Heating container |
-
1988
- 1988-08-31 JP JP11521288U patent/JPH0534372Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0236650U (en) | 1990-03-09 |
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