JP2017186042A - Sealed container - Google Patents

Sealed container Download PDF

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JP2017186042A
JP2017186042A JP2016076383A JP2016076383A JP2017186042A JP 2017186042 A JP2017186042 A JP 2017186042A JP 2016076383 A JP2016076383 A JP 2016076383A JP 2016076383 A JP2016076383 A JP 2016076383A JP 2017186042 A JP2017186042 A JP 2017186042A
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lid
seal member
outer peripheral
horizontal groove
peripheral edge
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JP6159846B1 (en
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幸郎 伴
Yukiro Ban
幸郎 伴
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TAKEYA KAGAKU KOGYO KK
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TAKEYA KAGAKU KOGYO KK
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Abstract

PROBLEM TO BE SOLVED: To provide a sealed container which has a simple shape and which can be produced easily.SOLUTION: A sealed container comprises: a container body 1 whose upper part is opened; and a lid 2 which can be detachably attached to the container body 1. The container body 1 has a taper surface 4 which is expanded upward, in an inner surface 3 of the opening. The lid 2 comprises a lid body 5 and an annular seal member 7 which is attached to an outer peripheral edge part 6 of the lid body 5. The lid body 5 comprises an annular horizontal groove formed on the outer peripheral edge part 6 and a horizontal surface recess inhibition surface part provided on an upper side of outside of a radial, relative to the horizontal groove. The seal member 7 comprises a horizontal fitting piece part 10 which is fitted to the horizontal groove, and a seal tongue part 11 which is upward inclined, on outside of the radial which is continuous to the fitting piece part 10. The seal tongue part 11 comprises a radial force reception surface which pressure contacts the taper surface 4 in a closed state by the lid, and an axial force reception surface which always pressure contacts the recess inhibition surface part in the fitted state, on a tip end.SELECTED DRAWING: Figure 1

Description

本発明は、密封容器に関する。   The present invention relates to a sealed container.

従来、密封性の高い密封容器として、蓋にボタンを設け、ボタンを押すことによりシールが拡張され、蓋と容器の間を密封する密封容器がある（例えば、特許文献１参照）。   Conventionally, as a sealed container having high sealing performance, there is a sealed container in which a button is provided on a lid, the seal is expanded by pressing the button, and the space between the lid and the container is sealed (see, for example, Patent Document 1).

しかし、構造が複雑で部品点数も多いので、製造に手間がかかるとともに、高価になるという欠点があった。   However, since the structure is complicated and the number of parts is large, there are disadvantages that it takes time to manufacture and is expensive.

特表２００９−５３２２８３号公報JP 2009-532283 A

解決しようとする課題は、構造が複雑で部品点数も多いので、製造に手間がかかるとともに、高価になる点である。また、洗浄を行うことが面倒である点である。   The problem to be solved is that the structure is complicated and the number of parts is large, so that it takes time to manufacture and is expensive. In addition, it is troublesome to perform cleaning.

そこで、本発明に係る密封容器は、上方開口状容器本体と、該容器本体に着脱自在な蓋とを備える密封容器であって、上記容器本体が、開口部内面に上方拡大状テーパ面を有し、上記蓋が、蓋本体と、蓋本体の外周縁部に取着される環状シール部材とを、備え、上記蓋本体が、外周縁部に形成された環状水平溝と、該水平溝よりもラジアル外方の上部に設けられた水平面状逃げ阻止面部とを有し、かつ、上記シール部材が、上記水平溝に嵌着される水平状嵌着片部と、該嵌着片部に連設されたラジアル外方上傾状のシール舌片部とを有し、さらに、上記シール舌片部が、閉蓋状態で上記テーパ面と圧接するラジアル力受け面と、上記嵌着された状態で上記逃げ阻止面部と常時圧接するアキシャル力受け面を、先端に有するものである。   Therefore, a sealed container according to the present invention is a sealed container having an upper opening container main body and a lid detachably attached to the container main body, and the container main body has an upper enlarged tapered surface on the inner surface of the opening. The lid includes a lid main body and an annular seal member attached to the outer peripheral edge of the lid main body, and the lid main body includes an annular horizontal groove formed on the outer peripheral edge, and the horizontal groove. Each of which has a horizontal plane escape prevention surface portion provided at an upper portion on the radially outer side, and the sealing member is fitted into the horizontal groove, and is connected to the fitting piece portion. A radially outwardly inclined sealing tongue piece provided, and the sealing tongue piece is in a fitted state with a radial force receiving surface that is in pressure contact with the tapered surface in a closed state. And an axial force receiving surface that is always in pressure contact with the escape prevention surface portion.

また、上記蓋本体が、上記蓋を傾斜状態で開くための取外し用持上突片部を、外周縁部の一部に有するものである。
また、上記テーパ面の勾配角度を、 0.1°〜６°に設定したものである。 Moreover, the said lid body has the removal protrusion part for removal for opening the said lid | cover in an inclined state in a part of outer peripheral part.
Further, the inclination angle of the tapered surface is set to 0.1 ° to 6 °.

本発明の密封容器によれば、形状、構造がシンプルであって、部品点数が少なく、洗浄も簡単にでき、かつ、容易に製造することができる。そして、安価に製造することができる。また、開閉操作を容易かつ迅速に行うことができる。さらに、密封性が良好である。   According to the sealed container of the present invention, the shape and structure are simple, the number of parts is small, the cleaning can be easily performed, and the manufacturing can be easily performed. And it can be manufactured at low cost. Further, the opening / closing operation can be performed easily and quickly. Furthermore, the sealing property is good.

本発明の実施の一形態を示す断面正面図である。It is a sectional front view showing one embodiment of the present invention. 要部拡大断面分解図である。It is a principal part expanded sectional exploded view. 要部拡大断面図である。It is a principal part expanded sectional view. 要部拡大断面図である。It is a principal part expanded sectional view. 要部拡大断面図である。It is a principal part expanded sectional view. 平面図である。It is a top view.

以下、図示の実施の形態に基づいて本発明を詳説する。
図１〜図６は、本発明の実施の一形態を示す。この密封容器は、食品や飲料の保存に用いられる。保存される食品としては、例えば、ジャム、ご飯、おかず、乾物等が挙げられる。 Hereinafter, the present invention will be described in detail based on the illustrated embodiment.
1 to 6 show an embodiment of the present invention. This sealed container is used for storing food and beverages. Examples of the preserved food include jam, rice, side dishes, and dry matter.

上方開口状容器本体１と、容器本体１に着脱自在な蓋２とを備える。容器本体１及び蓋２は、例えば、樹脂から成る。容器本体１は、透明な樹脂から成るのが好ましい。容器本体１が、開口部内面３に上方拡大状テーパ面４を有する。   An upper opening container body 1 and a lid 2 detachably attached to the container body 1 are provided. The container body 1 and the lid 2 are made of resin, for example. The container body 1 is preferably made of a transparent resin. The container body 1 has an upwardly enlarged tapered surface 4 on the inner surface 3 of the opening.

テーパ面４の勾配角度θを、 0.1°〜６°、好ましくは、 0.5°〜５°さらに望ましくは、１°〜３°に設定する。勾配角度θがこの範囲にある場合、容易に蓋２を閉めることができるとともに、高い密封力を得ることができる。勾配角度θが１°未満の場合、密封力が弱くなる虞れがある。勾配角度θが３°を超える場合、蓋２を閉める際、急激に力を加える必要が生じる。   The gradient angle θ of the tapered surface 4 is set to 0.1 ° to 6 °, preferably 0.5 ° to 5 °, and more preferably 1 ° to 3 °. When the gradient angle θ is in this range, the lid 2 can be easily closed and a high sealing force can be obtained. When the gradient angle θ is less than 1 °, the sealing force may be weakened. When the gradient angle θ exceeds 3 °, it is necessary to apply force suddenly when the lid 2 is closed.

蓋２が、蓋本体５と、蓋本体５の外周縁部６に取着される環状シール部材７とを、備える。蓋本体５が、外周縁部６に形成された環状水平溝８と、水平溝８よりもラジアル外方の上部に設けられた水平面状逃げ阻止面部９とを有する。シール部材７が、水平溝８に嵌着される水平状嵌着片部10と、嵌着片部10に連設されたラジアル外方上傾状のシール舌片部11とを有する。   The lid 2 includes a lid main body 5 and an annular seal member 7 attached to the outer peripheral edge 6 of the lid main body 5. The lid body 5 has an annular horizontal groove 8 formed in the outer peripheral edge portion 6 and a horizontal plane escape prevention surface portion 9 provided at an upper portion radially outward from the horizontal groove 8. The seal member 7 has a horizontal fitting piece 10 fitted in the horizontal groove 8 and a radially outwardly inclined seal tongue piece 11 connected to the fitting piece 10.

図２、図３に示すように、自由状態で、シール部材７の上下寸法Ａを、水平溝８の底面12と逃げ阻止面部９との上下距離寸法Ｂより大きく設定する。この場合、蓋本体５とシール部材７との嵌着状態（組立て状態とも言う）に於て、シール部材７のシール舌片部11は、図３の矢印Ｙに示すように、上部が外方へ傾く方向へ弾性変形している。従って、蓋本体５とシール部材７との組立て状態に於て、常にシール部材７が蓋本体５を弾発的に押圧している。   As shown in FIGS. 2 and 3, the vertical dimension A of the seal member 7 is set larger than the vertical distance dimension B between the bottom surface 12 of the horizontal groove 8 and the escape preventing surface portion 9 in a free state. In this case, when the lid body 5 and the seal member 7 are fitted (also referred to as an assembled state), the seal tongue portion 11 of the seal member 7 has an upper portion outward as shown by an arrow Y in FIG. It is elastically deformed in the direction of tilting. Therefore, in the assembled state of the lid body 5 and the seal member 7, the seal member 7 always presses the lid body 5 elastically.

シール舌片部11が、閉蓋状態（図１、図５参照）でテーパ面４と圧接するラジアル力受け面13と、逃げ阻止面部９と常時圧接するアキシャル力受け面14を、先端15に有する。   The seal tongue 11 has a radial force receiving surface 13 that is in pressure contact with the tapered surface 4 in the closed state (see FIGS. 1 and 5) and an axial force receiving surface 14 that is always in pressure contact with the escape preventing surface portion 9 at the tip 15. Have.

図１、図６に示すように、蓋本体５が、蓋２を傾斜状態で開くための取外し用持上突片部16を、外周縁部６の一部に有する。具体的には、蓋２の長辺17の中央部に、取外し用持上突片部16を有する。この場合、蓋２を開く際、力を加え易く、容易に蓋２を開くことができる。また、取外し用持上突片部16を外周縁部６の一部に設けることで、蓋２を傾斜状態として開くことを使用者に示唆することもできる。   As shown in FIGS. 1 and 6, the lid main body 5 has a lifting projection piece 16 for removal for opening the lid 2 in an inclined state at a part of the outer peripheral edge portion 6. Specifically, a lifting protrusion piece 16 for removal is provided at the center of the long side 17 of the lid 2. In this case, when the lid 2 is opened, it is easy to apply force and the lid 2 can be easily opened. Moreover, it can also be suggested to the user that the lid 2 is opened in an inclined state by providing the removal lifting protrusion 16 on a part of the outer peripheral edge 6.

次に、蓋２の開閉について説明する。蓋２を開くには、図１に示すように、取外し用持上突片部16を上方へ持ち上げて、図１の２点鎖線に示すように、蓋２を傾斜状態で開く。図３に示すように、蓋２は、水平溝８に嵌着片部10を嵌着させて、かつ、アキシャル力受け面14と逃げ阻止面部９とを圧接させた状態で、蓋本体５とシール部材７とが、組立てられている。図３の２点鎖線は、自由状態のシール部材７の形状を示している。   Next, opening and closing of the lid 2 will be described. In order to open the lid 2, as shown in FIG. 1, the removal lifting protrusion 16 is lifted upward, and the lid 2 is opened in an inclined state as indicated by a two-dot chain line in FIG. 1. As shown in FIG. 3, the lid 2 has the lid main body 5 in a state where the fitting piece 10 is fitted in the horizontal groove 8 and the axial force receiving surface 14 and the escape preventing surface 9 are in pressure contact with each other. The seal member 7 is assembled. A two-dot chain line in FIG. 3 indicates the shape of the seal member 7 in a free state.

図４に示すように、蓋２を閉じ始めると、シール部材７は、テーパ面４によって圧縮変形する。このとき、シール部材７からテーパ面４に対して拡径方向の弾発力（密着力）が生じるとともに、テーパ面４からシール部材７に対してラジアル方向の反力（ラジアル力）Ｆ1 が生じる。また、逃げ阻止面部９がないと、シール部材７が上方へ逃げてしまうが、逃げ阻止面部９があるので、シール部材７が逃げ阻止面部９にて逃げを阻止され、シール部材７から逃げ阻止面部９に対して弾発力が生じるとともに、逃げ阻止面部９からシール部材７に対してアキシャル方向の反力（アキシャル力）Ｆ2 が生じる。逃げ阻止面部９によってシール部材７が逃げを阻止されるので、シール部材７からテーパ面４への弾発力が大きくなる。（つまり、図４のラジアル力Ｆ1 が十分に大きい。） As shown in FIG. 4, when the lid 2 starts to close, the seal member 7 is compressed and deformed by the tapered surface 4. At this time, an elastic force (adhesion force) in the diameter expansion direction is generated from the seal member 7 to the tapered surface 4, and a radial reaction force (radial force) F 1 from the tapered surface 4 to the seal member 7 is generated. Arise. Further, if there is no escape prevention surface portion 9, the seal member 7 escapes upward. However, since there is the escape prevention surface portion 9, the seal member 7 is prevented from escaping by the escape prevention surface portion 9 and is prevented from escaping from the seal member 7. An elastic force is generated on the surface portion 9 and an axial reaction force (axial force) F 2 is generated from the escape preventing surface portion 9 on the seal member 7. Since the seal member 7 is prevented from escaping by the escape prevention surface portion 9, the elastic force from the seal member 7 to the tapered surface 4 is increased. (In other words, the radial force F 1 in FIG. 4 is sufficiently large.)

さらに蓋２を閉じると、テーパ面４によるシール部材７の圧縮変形量が大きくなるので、シール部材７がテーパ面４を押圧する弾発力が大きくなるとともに、テーパ面４からシール部材７に対してはたらく反力（ラジアル力）Ｆ1 も大きくなる。図４と図５に於て、水平方向寸法Ｄ1 がＤ2 まで減少して、上記シール部材７は（Ｄ1 −Ｄ2 ）分だけ（半径について）圧縮する。このように、テーパ面４によってシール部材７の圧縮変形量が増加して反力Ｆ1 も大きくなる。このとき、シール部材７が逃げ阻止面部９を押圧する弾発力も大きくなるとともに、逃げ阻止面部９からシール部材７に対してはたらくアキシャル力Ｆ2 も大きくなる。そして、図５は、蓋２を完全に閉じた状態（閉蓋状態）を示す。このとき、ラジアル力Ｆ1 、アキシャル力Ｆ2 は最大となり、高い密封力が得られる。
自由状態で断面が水平方向一文字状の（従来から用いられてきた）シール部材と比較すると、従来のシール部材では、 360°全周に均等に弾性変形せず、周方向の一部位が、十分に、弾発的に、容器本体の内面に圧接しない場合があり、密封不十分となることがあったが、本発明では、 360°全周にわたって均等に圧接し、高い密封性を発揮する。
なお、蓋２を容器本体１から離間させた状態（図３参照）で、シール部材７の嵌着片部10と蓋本体５の水平溝８との間に小さな間隙（例えば間隙寸法は自由状態のシール部材７の上下寸法の 1.5％〜 2.5％）が形成されるように設定するも好ましい。 When the lid 2 is further closed, the amount of compressive deformation of the seal member 7 due to the taper surface 4 increases, so that the elastic force by which the seal member 7 presses the taper surface 4 increases and the taper surface 4 against the seal member 7 increases. The working reaction force (radial force) F 1 also increases. 4 and At a 5, the horizontal dimension D 1 decreased to D 2, the sealing member 7 by (D 1 -D 2) min (for radius) compresses. Thus, the taper surface 4 increases the amount of compressive deformation of the seal member 7 and increases the reaction force F 1 . At this time, the elastic force by which the seal member 7 presses the escape prevention surface portion 9 is increased, and the axial force F 2 acting on the seal member 7 from the escape prevention surface portion 9 is also increased. FIG. 5 shows a state where the lid 2 is completely closed (closed state). At this time, the radial force F 1 and the axial force F 2 are maximized, and a high sealing force is obtained.
Compared with a seal member with a single horizontal cross-section in the free state (conventionally used), the conventional seal member does not elastically deform evenly around 360 °, and one part in the circumferential direction is sufficient. In addition, there is a case where the inner surface of the container main body is not elastically pressed and there is a case where the sealing is insufficient. However, in the present invention, it is uniformly pressed over the entire 360 ° circumference and exhibits high sealing performance.
In the state where the lid 2 is separated from the container body 1 (see FIG. 3), a small gap (for example, the gap dimension is free) between the fitting piece 10 of the seal member 7 and the horizontal groove 8 of the lid body 5. It is also preferable to set so that 1.5 to 2.5% of the vertical dimension of the sealing member 7 is formed.

本発明は、設計変更可能であって、例えば、全体形状が平面視円形であるも良い。   The present invention can be changed in design, and for example, the overall shape may be circular in plan view.

以上のように、本発明は、上方開口状容器本体１と、該容器本体１に着脱自在な蓋２とを備える密封容器であって、上記容器本体１が、開口部内面３に上方拡大状テーパ面４を有し、上記蓋２が、蓋本体５と、蓋本体５の外周縁部６に取着される環状シール部材７とを、備え、上記蓋本体５が、外周縁部６に形成された環状水平溝８と、該水平溝８よりもラジアル外方の上部に設けられた水平面状逃げ阻止面部９とを有し、かつ、上記シール部材７が、上記水平溝８に嵌着される水平状嵌着片部10と、該嵌着片部10に連設されたラジアル外方上傾状のシール舌片部11とを有し、さらに、上記シール舌片部11が、閉蓋状態で上記テーパ面４と圧接するラジアル力受け面13と、上記嵌着された状態で上記逃げ阻止面部９と常時圧接するアキシャル力受け面14を、先端15に有するので、形状、構造がシンプルであって、部品点数が少なく、洗浄も簡単にでき、かつ、容易かつ安価に製造することができる。特に、 360°全周にわたって均等にテーパ面４に圧接して、全体の密封性が確保される。また、開閉操作を容易かつ迅速に行うことができる。さらに、密封性が良好である。   As described above, the present invention is a sealed container including an upper opening container main body 1 and a lid 2 that is detachable from the container main body 1, and the container main body 1 is expanded upward on the inner surface 3 of the opening. The lid 2 has a tapered surface 4, and the lid 2 includes a lid main body 5 and an annular seal member 7 attached to the outer peripheral edge 6 of the lid main body 5, and the lid main body 5 is attached to the outer peripheral edge 6. An annular horizontal groove 8 formed, and a horizontal plane escape prevention surface portion 9 provided radially outward from the horizontal groove 8, and the seal member 7 is fitted into the horizontal groove 8. A horizontal fitting piece portion 10 and a radially outwardly inclined seal tongue piece portion 11 provided continuously to the fitting piece portion 10, and the seal tongue piece portion 11 is closed. A radial force receiving surface 13 in pressure contact with the tapered surface 4 in the cover state, and an axial force receiving surface in constant pressure contact with the escape preventing surface portion 9 in the fitted state. Since the shank 14 is provided at the tip 15, the shape and structure are simple, the number of parts is small, cleaning is easy, and manufacturing is easy and inexpensive. In particular, the entire sealing performance is ensured by pressing the taper surface 4 uniformly over the entire 360 ° circumference. Further, the opening / closing operation can be performed easily and quickly. Furthermore, the sealing property is good.

また、上記蓋本体５が、上記蓋２を傾斜状態で開くための取外し用持上突片部16を、外周縁部６の一部に有するので、強力な密封力がはたらいている場合でも、テーパ面４とシール部材７との密封を解除して、容易に蓋２を傾斜状態で開くことができる。また、取外し用持上突片部16を外周縁部６の一部に設けることで、蓋２を傾斜状態として開くことを使用者に示唆することもできる。
また、上記テーパ面４の勾配角度θを、 0.1°〜６°に設定したので、容易に蓋２を閉めることができるとともに、高い密封力を得ることができる。 In addition, since the lid body 5 has the removal protrusion 16 for removal for opening the lid 2 in an inclined state at a part of the outer peripheral edge portion 6, even when a strong sealing force is working, The sealing of the taper surface 4 and the seal member 7 is released, and the lid 2 can be easily opened in an inclined state. Moreover, it can also be suggested to the user that the lid 2 is opened in an inclined state by providing the removal lifting protrusion 16 on a part of the outer peripheral edge 6.
Further, since the gradient angle θ of the tapered surface 4 is set to 0.1 ° to 6 °, the lid 2 can be easily closed and a high sealing force can be obtained.

１ 容器本体
２ 蓋
３ 開口部内面
４ テーパ面
５ 蓋本体
６ 外周縁部
７ シール部材
８ 水平溝
９ 逃げ阻止面部
10 嵌着片部
11 シール舌片部
13 ラジアル力受け面
14 アキシャル力受け面
15 先端
16 取外し用持上突片部
θ 勾配角度 DESCRIPTION OF SYMBOLS 1 Container main body 2 Lid 3 Opening inner surface 4 Tapered surface 5 Lid main body 6 Outer peripheral edge 7 Seal member 8 Horizontal groove 9 Escape prevention surface
10 Insertion piece
11 Seal tongue
13 Radial force bearing surface
14 Axial force bearing surface
15 Tip
16 Lifting protrusion for removal θ Gradient angle

本発明は、密封容器に関する。   The present invention relates to a sealed container.

従来、密封性の高い密封容器として、蓋にボタンを設け、ボタンを押すことによりシールが拡張され、蓋と容器の間を密封する密封容器がある（例えば、特許文献１参照）。   Conventionally, as a sealed container having high sealing performance, there is a sealed container in which a button is provided on a lid, the seal is expanded by pressing the button, and the space between the lid and the container is sealed (see, for example, Patent Document 1).

しかし、構造が複雑で部品点数も多いので、製造に手間がかかるとともに、高価になるという欠点があった。   However, since the structure is complicated and the number of parts is large, there are disadvantages that it takes time to manufacture and is expensive.

特表２００９−５３２２８３号公報JP 2009-532283 A

解決しようとする課題は、構造が複雑で部品点数も多いので、製造に手間がかかるとともに、高価になる点である。また、洗浄を行うことが面倒である点である。   The problem to be solved is that the structure is complicated and the number of parts is large, so that it takes time to manufacture and is expensive. In addition, it is troublesome to perform cleaning.

そこで、本発明に係る密封容器は、上方開口状容器本体と、該容器本体に着脱自在な蓋とを備える密封容器であって、上記容器本体が、開口部内面に上方拡大状テーパ面を有し、上記蓋が、蓋本体と、蓋本体の外周縁部に取着される環状シール部材とを、備え、上記蓋本体が、外周縁部に形成された環状水平溝と、該水平溝よりもラジアル外方の上部に設けられた水平面状逃げ阻止面部とを、一体に有し、かつ、上記シール部材が、上記水平溝に嵌着される水平状嵌着片部と、該嵌着片部に連設されたラジアル外方上傾状のシール舌片部とから成る、横断面折曲板片状であって、さらに、上記シール舌片部が、ラジアル力受け面とアキシャル力受け面を、横断面直交状として、先端に有し、上記ラジアル力受け面が、半閉蓋状態と閉蓋状態で上記テーパ面と圧接するとともに、上記アキシャル力受け面が、開蓋状態と半閉蓋状態と閉蓋状態のいずれに於ても上記逃げ阻止面部と常時圧接し、半閉蓋状態から閉蓋状態にかけて上記シール部材が上方へ逃げるのを上記逃げ阻止面部にて阻止されつつ上記テーパ面に次第に高い圧接力にて押圧するように構成したものである。 Therefore, a sealed container according to the present invention is a sealed container having an upper opening container main body and a lid detachably attached to the container main body, and the container main body has an upper enlarged tapered surface on the inner surface of the opening. The lid includes a lid main body and an annular seal member attached to the outer peripheral edge of the lid main body, and the lid main body includes an annular horizontal groove formed on the outer peripheral edge, and the horizontal groove. And a horizontal fitting piece portion integrally provided with a horizontal plane escape prevention face portion provided at the upper portion of the radial outer side, and the sealing member fitted into the horizontal groove, and the fitting piece parts made of the sealing lip portion of the continuously provided by the radial outside Katanokami傾状to, a cross-section bent plate piece-like, furthermore, the sealing lip portion, radial force receiving surface and Aki Shall force the receiving surface, as cross section orthogonally, possess the tip, the radial force receiving surface is in a semi-closed state and the closed state In addition to being in pressure contact with the taper surface, the axial force receiving surface is always in pressure contact with the escape prevention surface portion in any of the open state, semi-closed state, and closed state, and from the semi-closed state to the closed state. The seal member is configured to press against the tapered surface with a gradually increasing pressure while preventing the seal member from escaping upward at the escape prevention surface portion .

また、上記蓋本体が、上記蓋を傾斜状態で開くための取外し用持上突片部を、外周縁部の一部に有するものである。
また、上記テーパ面の勾配角度を、 0.1°〜６°に設定したものである。 Moreover, the said lid body has the removal protrusion part for removal for opening the said lid | cover in an inclined state in a part of outer peripheral part.
Further, the inclination angle of the tapered surface is set to 0.1 ° to 6 °.

本発明の密封容器によれば、形状、構造がシンプルであって、部品点数が少なく、洗浄も簡単にでき、かつ、容易に製造することができる。そして、安価に製造することができる。また、開閉操作を容易かつ迅速に行うことができる。さらに、密封性が良好である。   According to the sealed container of the present invention, the shape and structure are simple, the number of parts is small, the cleaning can be easily performed, and the manufacturing can be easily performed. And it can be manufactured at low cost. Further, the opening / closing operation can be performed easily and quickly. Furthermore, the sealing property is good.

本発明の実施の一形態を示す断面正面図である。It is a sectional front view showing one embodiment of the present invention. 要部拡大断面分解図である。It is a principal part expanded sectional exploded view. 要部拡大断面図である。It is a principal part expanded sectional view. 要部拡大断面図である。It is a principal part expanded sectional view. 要部拡大断面図である。It is a principal part expanded sectional view. 平面図である。It is a top view.

以下、図示の実施の形態に基づいて本発明を詳説する。
図１〜図６は、本発明の実施の一形態を示す。この密封容器は、食品や飲料の保存に用いられる。保存される食品としては、例えば、ジャム、ご飯、おかず、乾物等が挙げられる。 Hereinafter, the present invention will be described in detail based on the illustrated embodiment.
1 to 6 show an embodiment of the present invention. This sealed container is used for storing food and beverages. Examples of the preserved food include jam, rice, side dishes, and dry matter.

上方開口状容器本体１と、容器本体１に着脱自在な蓋２とを備える。容器本体１及び蓋２は、例えば、樹脂から成る。容器本体１は、透明な樹脂から成るのが好ましい。容器本体１が、開口部内面３に上方拡大状テーパ面４を有する。   An upper opening container body 1 and a lid 2 detachably attached to the container body 1 are provided. The container body 1 and the lid 2 are made of resin, for example. The container body 1 is preferably made of a transparent resin. The container body 1 has an upwardly enlarged tapered surface 4 on the inner surface 3 of the opening.

テーパ面４の勾配角度θを、 0.1°〜６°、好ましくは、 0.5°〜５°さらに望ましくは、１°〜３°に設定する。勾配角度θがこの範囲にある場合、容易に蓋２を閉めることができるとともに、高い密封力を得ることができる。勾配角度θが１°未満の場合、密封力が弱くなる虞れがある。勾配角度θが３°を超える場合、蓋２を閉める際、急激に力を加える必要が生じる。   The gradient angle θ of the tapered surface 4 is set to 0.1 ° to 6 °, preferably 0.5 ° to 5 °, and more preferably 1 ° to 3 °. When the gradient angle θ is in this range, the lid 2 can be easily closed and a high sealing force can be obtained. When the gradient angle θ is less than 1 °, the sealing force may be weakened. When the gradient angle θ exceeds 3 °, it is necessary to apply force suddenly when the lid 2 is closed.

蓋２が、蓋本体５と、蓋本体５の外周縁部６に取着される環状シール部材７とを、備える。蓋本体５が、外周縁部６に形成された環状水平溝８と、水平溝８よりもラジアル外方の上部に設けられた水平面状逃げ阻止面部９とを有する。シール部材７が、水平溝８に嵌着される水平状嵌着片部10と、嵌着片部10に連設されたラジアル外方上傾状のシール舌片部11とを有する。   The lid 2 includes a lid main body 5 and an annular seal member 7 attached to the outer peripheral edge 6 of the lid main body 5. The lid body 5 has an annular horizontal groove 8 formed in the outer peripheral edge portion 6 and a horizontal plane escape prevention surface portion 9 provided at an upper portion radially outward from the horizontal groove 8. The seal member 7 has a horizontal fitting piece 10 fitted in the horizontal groove 8 and a radially outwardly inclined seal tongue piece 11 connected to the fitting piece 10.

図２、図３に示すように、自由状態で、シール部材７の上下寸法Ａを、水平溝８の底面12と逃げ阻止面部９との上下距離寸法Ｂより大きく設定する。この場合、蓋本体５とシール部材７との嵌着状態（組立て状態とも言う）に於て、シール部材７のシール舌片部11は、図３の矢印Ｙに示すように、上部が外方へ傾く方向へ弾性変形している。従って、蓋本体５とシール部材７との組立て状態に於て、常にシール部材７が蓋本体５を弾発的に押圧している。   As shown in FIGS. 2 and 3, the vertical dimension A of the seal member 7 is set larger than the vertical distance dimension B between the bottom surface 12 of the horizontal groove 8 and the escape preventing surface portion 9 in a free state. In this case, when the lid body 5 and the seal member 7 are fitted (also referred to as an assembled state), the seal tongue portion 11 of the seal member 7 has an upper portion outward as shown by an arrow Y in FIG. It is elastically deformed in the direction of tilting. Therefore, in the assembled state of the lid body 5 and the seal member 7, the seal member 7 always presses the lid body 5 elastically.

シール舌片部11が、閉蓋状態（図１、図５参照）でテーパ面４と圧接するラジアル力受け面13と、逃げ阻止面部９と常時圧接するアキシャル力受け面14を、先端15に有する。   The seal tongue 11 has a radial force receiving surface 13 that is in pressure contact with the tapered surface 4 in the closed state (see FIGS. 1 and 5) and an axial force receiving surface 14 that is always in pressure contact with the escape preventing surface portion 9 at the tip 15. Have.

図１、図６に示すように、蓋本体５が、蓋２を傾斜状態で開くための取外し用持上突片部16を、外周縁部６の一部に有する。具体的には、蓋２の長辺17の中央部に、取外し用持上突片部16を有する。この場合、蓋２を開く際、力を加え易く、容易に蓋２を開くことができる。また、取外し用持上突片部16を外周縁部６の一部に設けることで、蓋２を傾斜状態として開くことを使用者に示唆することもできる。   As shown in FIGS. 1 and 6, the lid main body 5 has a lifting projection piece 16 for removal for opening the lid 2 in an inclined state at a part of the outer peripheral edge portion 6. Specifically, a lifting protrusion piece 16 for removal is provided at the center of the long side 17 of the lid 2. In this case, when the lid 2 is opened, it is easy to apply force and the lid 2 can be easily opened. Moreover, it can also be suggested to the user that the lid 2 is opened in an inclined state by providing the removal lifting protrusion 16 on a part of the outer peripheral edge 6.

次に、蓋２の開閉について説明する。蓋２を開くには、図１に示すように、取外し用持上突片部16を上方へ持ち上げて、図１の２点鎖線に示すように、蓋２を傾斜状態で開く。図３に示すように、蓋２は、水平溝８に嵌着片部10を嵌着させて、かつ、アキシャル力受け面14と逃げ阻止面部９とを圧接させた状態で、蓋本体５とシール部材７とが、組立てられている。図３の２点鎖線は、自由状態のシール部材７の形状を示している。   Next, opening and closing of the lid 2 will be described. In order to open the lid 2, as shown in FIG. 1, the removal lifting protrusion 16 is lifted upward, and the lid 2 is opened in an inclined state as indicated by a two-dot chain line in FIG. 1. As shown in FIG. 3, the lid 2 has the lid main body 5 in a state where the fitting piece 10 is fitted in the horizontal groove 8 and the axial force receiving surface 14 and the escape preventing surface 9 are in pressure contact with each other. The seal member 7 is assembled. A two-dot chain line in FIG. 3 indicates the shape of the seal member 7 in a free state.

図４に示すように、蓋２を閉じ始めると、シール部材７は、テーパ面４によって圧縮変形する。このとき、シール部材７からテーパ面４に対して拡径方向の弾発力（密着力）が生じるとともに、テーパ面４からシール部材７に対してラジアル方向の反力（ラジアル力）Ｆ1 が生じる。また、逃げ阻止面部９がないと、シール部材７が上方へ逃げてしまうが、逃げ阻止面部９があるので、シール部材７が逃げ阻止面部９にて逃げを阻止され、シール部材７から逃げ阻止面部９に対して弾発力が生じるとともに、逃げ阻止面部９からシール部材７に対してアキシャル方向の反力（アキシャル力）Ｆ2 が生じる。逃げ阻止面部９によってシール部材７が逃げを阻止されるので、シール部材７からテーパ面４への弾発力が大きくなる。（つまり、図４のラジアル力Ｆ1 が十分に大きい。） As shown in FIG. 4, when the lid 2 starts to close, the seal member 7 is compressed and deformed by the tapered surface 4. At this time, an elastic force (adhesion force) in the diameter expansion direction is generated from the seal member 7 to the tapered surface 4, and a radial reaction force (radial force) F 1 from the tapered surface 4 to the seal member 7 is generated. Arise. Further, if there is no escape prevention surface portion 9, the seal member 7 escapes upward. However, since there is the escape prevention surface portion 9, the seal member 7 is prevented from escaping by the escape prevention surface portion 9 and is prevented from escaping from the seal member 7. An elastic force is generated on the surface portion 9 and an axial reaction force (axial force) F 2 is generated from the escape preventing surface portion 9 on the seal member 7. Since the seal member 7 is prevented from escaping by the escape prevention surface portion 9, the elastic force from the seal member 7 to the tapered surface 4 is increased. (In other words, the radial force F 1 in FIG. 4 is sufficiently large.)

さらに蓋２を閉じると、テーパ面４によるシール部材７の圧縮変形量が大きくなるので、シール部材７がテーパ面４を押圧する弾発力が大きくなるとともに、テーパ面４からシール部材７に対してはたらく反力（ラジアル力）Ｆ1 も大きくなる。図４と図５に於て、水平方向寸法Ｄ1 がＤ2 まで減少して、上記シール部材７は（Ｄ1 −Ｄ2 ）分だけ（半径について）圧縮する。このように、テーパ面４によってシール部材７の圧縮変形量が増加して反力Ｆ1 も大きくなる。このとき、シール部材７が逃げ阻止面部９を押圧する弾発力も大きくなるとともに、逃げ阻止面部９からシール部材７に対してはたらくアキシャル力Ｆ2 も大きくなる。そして、図５は、蓋２を完全に閉じた状態（閉蓋状態）を示す。このとき、ラジアル力Ｆ1 、アキシャル力Ｆ2 は最大となり、高い密封力が得られる。
自由状態で断面が水平方向一文字状の（従来から用いられてきた）シール部材と比較すると、従来のシール部材では、 360°全周に均等に弾性変形せず、周方向の一部位が、十分に、弾発的に、容器本体の内面に圧接しない場合があり、密封不十分となることがあったが、本発明では、 360°全周にわたって均等に圧接し、高い密封性を発揮する。
なお、蓋２を容器本体１から離間させた状態（図３参照）で、シール部材７の嵌着片部10と蓋本体５の水平溝８との間に小さな間隙（例えば間隙寸法は自由状態のシール部材７の上下寸法の 1.5％〜 2.5％）が形成されるように設定するも好ましい。 When the lid 2 is further closed, the amount of compressive deformation of the seal member 7 due to the taper surface 4 increases, so that the elastic force by which the seal member 7 presses the taper surface 4 increases and the taper surface 4 against the seal member 7 increases. The working reaction force (radial force) F 1 also increases. 4 and At a 5, the horizontal dimension D 1 decreased to D 2, the sealing member 7 by (D 1 -D 2) min (for radius) compresses. Thus, the taper surface 4 increases the amount of compressive deformation of the seal member 7 and increases the reaction force F 1 . At this time, the elastic force by which the seal member 7 presses the escape prevention surface portion 9 is increased, and the axial force F 2 acting on the seal member 7 from the escape prevention surface portion 9 is also increased. FIG. 5 shows a state where the lid 2 is completely closed (closed state). At this time, the radial force F 1 and the axial force F 2 are maximized, and a high sealing force is obtained.
Compared with a seal member with a single horizontal cross-section in the free state (conventionally used), the conventional seal member does not elastically deform evenly around 360 °, and one part in the circumferential direction is sufficient. In addition, there is a case where the inner surface of the container main body is not elastically pressed and there is a case where the sealing is insufficient. However, in the present invention, it is uniformly pressed over the entire 360 ° circumference and exhibits high sealing performance.
In the state where the lid 2 is separated from the container body 1 (see FIG. 3), a small gap (for example, the gap dimension is free) between the fitting piece 10 of the seal member 7 and the horizontal groove 8 of the lid body 5. It is also preferable to set so that 1.5 to 2.5% of the vertical dimension of the sealing member 7 is formed.

本発明は、設計変更可能であって、例えば、全体形状が平面視円形であるも良い。   The present invention can be changed in design, and for example, the overall shape may be circular in plan view.

以上のように、本発明は、上方開口状容器本体１と、該容器本体１に着脱自在な蓋２とを備える密封容器であって、上記容器本体１が、開口部内面３に上方拡大状テーパ面４を有し、上記蓋２が、蓋本体５と、蓋本体５の外周縁部６に取着される環状シール部材７とを、備え、上記蓋本体５が、外周縁部６に形成された環状水平溝８と、該水平溝８よりもラジアル外方の上部に設けられた水平面状逃げ阻止面部９とを有し、かつ、上記シール部材７が、上記水平溝８に嵌着される水平状嵌着片部10と、該嵌着片部10に連設されたラジアル外方上傾状のシール舌片部11とを有し、さらに、上記シール舌片部11が、閉蓋状態で上記テーパ面４と圧接するラジアル力受け面13と、上記嵌着された状態で上記逃げ阻止面部９と常時圧接するアキシャル力受け面14を、先端15に有するので、形状、構造がシンプルであって、部品点数が少なく、洗浄も簡単にでき、かつ、容易かつ安価に製造することができる。特に、 360°全周にわたって均等にテーパ面４に圧接して、全体の密封性が確保される。また、開閉操作を容易かつ迅速に行うことができる。さらに、密封性が良好である。   As described above, the present invention is a sealed container including an upper opening container main body 1 and a lid 2 that is detachable from the container main body 1, and the container main body 1 is expanded upward on the inner surface 3 of the opening. The lid 2 has a tapered surface 4, and the lid 2 includes a lid main body 5 and an annular seal member 7 attached to the outer peripheral edge 6 of the lid main body 5, and the lid main body 5 is attached to the outer peripheral edge 6. An annular horizontal groove 8 formed, and a horizontal plane escape prevention surface portion 9 provided radially outward from the horizontal groove 8, and the seal member 7 is fitted into the horizontal groove 8. A horizontal fitting piece portion 10 and a radially outwardly inclined seal tongue piece portion 11 provided continuously to the fitting piece portion 10, and the seal tongue piece portion 11 is closed. A radial force receiving surface 13 in pressure contact with the tapered surface 4 in the cover state, and an axial force receiving surface in constant pressure contact with the escape preventing surface portion 9 in the fitted state. Since the shank 14 is provided at the tip 15, the shape and structure are simple, the number of parts is small, cleaning is easy, and manufacturing is easy and inexpensive. In particular, the entire sealing performance is ensured by pressing the taper surface 4 uniformly over the entire 360 ° circumference. Further, the opening / closing operation can be performed easily and quickly. Furthermore, the sealing property is good.

また、上記蓋本体５が、上記蓋２を傾斜状態で開くための取外し用持上突片部16を、外周縁部６の一部に有するので、強力な密封力がはたらいている場合でも、テーパ面４とシール部材７との密封を解除して、容易に蓋２を傾斜状態で開くことができる。また、取外し用持上突片部16を外周縁部６の一部に設けることで、蓋２を傾斜状態として開くことを使用者に示唆することもできる。
また、上記テーパ面４の勾配角度θを、 0.1°〜６°に設定したので、容易に蓋２を閉めることができるとともに、高い密封力を得ることができる。 In addition, since the lid body 5 has the removal protrusion 16 for removal for opening the lid 2 in an inclined state at a part of the outer peripheral edge portion 6, even when a strong sealing force is working, The sealing of the taper surface 4 and the seal member 7 is released, and the lid 2 can be easily opened in an inclined state. Moreover, it can also be suggested to the user that the lid 2 is opened in an inclined state by providing the removal lifting protrusion 16 on a part of the outer peripheral edge 6.
Further, since the gradient angle θ of the tapered surface 4 is set to 0.1 ° to 6 °, the lid 2 can be easily closed and a high sealing force can be obtained.

１ 容器本体
２ 蓋
３ 開口部内面
４ テーパ面
５ 蓋本体
６ 外周縁部
７ シール部材
８ 水平溝
９ 逃げ阻止面部
10 嵌着片部
11 シール舌片部
13 ラジアル力受け面
14 アキシャル力受け面
15 先端
16 取外し用持上突片部
θ 勾配角度
DESCRIPTION OF SYMBOLS 1 Container main body 2 Lid 3 Opening inner surface 4 Tapered surface 5 Lid main body 6 Outer peripheral edge 7 Seal member 8 Horizontal groove 9 Escape prevention surface
10 Insertion piece
11 Seal tongue
13 Radial force bearing surface
14 Axial force bearing surface
15 Tip
16 Lifting protrusion for removal θ Gradient angle

Claims (3)

上方開口状容器本体（１）と、該容器本体（１）に着脱自在な蓋（２）とを備える密封容器であって、
上記容器本体（１）が、開口部内面（３）に上方拡大状テーパ面（４）を有し、
上記蓋（２）が、蓋本体（５）と、蓋本体（５）の外周縁部（６）に取着される環状シール部材（７）とを、備え、
上記蓋本体（５）が、外周縁部（６）に形成された環状水平溝（８）と、該水平溝（８）よりもラジアル外方の上部に設けられた水平面状逃げ阻止面部（９）とを有し、かつ、上記シール部材（７）が、上記水平溝（８）に嵌着される水平状嵌着片部（10）と、該嵌着片部（10）に連設されたラジアル外方上傾状のシール舌片部（11）とを有し、
さらに、上記シール舌片部（11）が、閉蓋状態で上記テーパ面（４）と圧接するラジアル力受け面（13）と、上記嵌着された状態で上記逃げ阻止面部（９）と常時圧接するアキシャル力受け面（14）を、先端（15）に有することを特徴とする密封容器。 A sealed container comprising an upper open container body (1) and a lid (2) detachable from the container body (1),
The container body (1) has an upwardly enlarged tapered surface (4) on the inner surface (3) of the opening,
The lid (2) includes a lid body (5) and an annular seal member (7) attached to the outer peripheral edge (6) of the lid body (5),
The lid body (5) includes an annular horizontal groove (8) formed in the outer peripheral edge portion (6), and a horizontal plane escape prevention surface portion (9) provided radially above the horizontal groove (8). ), And the seal member (7) is connected to the horizontal fitting piece (10) fitted in the horizontal groove (8) and the fitting piece (10). A radially outwardly inclined sealing tongue piece (11),
Further, the seal tongue portion (11) is always connected to the radial force receiving surface (13) in pressure contact with the tapered surface (4) in the closed state, and the escape preventing surface portion (9) in the fitted state. A sealed container having an axial force receiving surface (14) in pressure contact at a tip (15). 上記蓋本体（５）が、上記蓋（２）を傾斜状態で開くための取外し用持上突片部（16）を、外周縁部（６）の一部に有する請求項１記載の密封容器。   2. The sealed container according to claim 1, wherein the lid body (5) has a lifting projection piece (16) for removal for opening the lid (2) in an inclined state at a part of the outer peripheral edge (6). . 上記テーパ面（４）の勾配角度（θ）を、 0.1°〜６°に設定した請求項１又は２記載の密封容器。   The sealed container according to claim 1 or 2, wherein a gradient angle (θ) of the tapered surface (4) is set to 0.1 ° to 6 °.
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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5329806U (en) * 1976-07-26 1978-03-14
JPS56113667U (en) * 1980-02-02 1981-09-01
JPS56113660U (en) * 1980-01-31 1981-09-01
JPH11263358A (en) * 1998-03-18 1999-09-28 Gifu Plast Ind Co Ltd Lid for sealed container
JP2009091043A (en) * 2007-10-11 2009-04-30 Toyo Chemical Kk Storage container for foods or the like
JP3152231U (en) * 2008-09-26 2009-07-23 多禹有限公司 Airtight can
JP2010532734A (en) * 2007-06-20 2010-10-14 信育 陳 Sealing lid
US20110031705A1 (en) * 2009-08-04 2011-02-10 Peddle Darron G Articulating seal

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5329806U (en) * 1976-07-26 1978-03-14
JPS56113660U (en) * 1980-01-31 1981-09-01
JPS56113667U (en) * 1980-02-02 1981-09-01
JPH11263358A (en) * 1998-03-18 1999-09-28 Gifu Plast Ind Co Ltd Lid for sealed container
JP2010532734A (en) * 2007-06-20 2010-10-14 信育 陳 Sealing lid
JP2009091043A (en) * 2007-10-11 2009-04-30 Toyo Chemical Kk Storage container for foods or the like
JP3152231U (en) * 2008-09-26 2009-07-23 多禹有限公司 Airtight can
US20110031705A1 (en) * 2009-08-04 2011-02-10 Peddle Darron G Articulating seal

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