JP5042590B2 - container - Google Patents

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JP5042590B2
JP5042590B2 JP2006291088A JP2006291088A JP5042590B2 JP 5042590 B2 JP5042590 B2 JP 5042590B2 JP 2006291088 A JP2006291088 A JP 2006291088A JP 2006291088 A JP2006291088 A JP 2006291088A JP 5042590 B2 JP5042590 B2 JP 5042590B2
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packing
rubber
elastic body
mouth
lid
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JP2008105715A (en
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岸　　隆生
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Yoshino Kogyosho Co Ltd
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Yoshino Kogyosho Co Ltd
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Description

本発明は、容器に関するものである。   The present invention relates to a container.

この種の容器として、例えば下記特許文献１に示されるような、口部を有する容器体と、前記口部に装着された蓋体と、蓋体の内側に設けられたパッキンと、パッキンと蓋体の天板部との間において前記口部の開口端縁に重なる位置に設けられたリング状のゴム状弾性体と、が備えられた構成が知られている。このゴム状弾性体として、例えば下記特許文献１に示されるような、パッキンおよび蓋体とは別部材のＯリングが採用されている。
実公昭５８−３１８０１号公報 As this type of container, for example, as shown in the following Patent Document 1, a container body having a mouth, a lid attached to the mouth, a packing provided inside the lid, a packing and a lid There is known a configuration including a ring-like rubber-like elastic body provided at a position overlapping the opening edge of the mouth portion between the top plate portion of the body. As this rubber-like elastic body, for example, an O-ring which is a separate member from the packing and the lid as shown in Patent Document 1 below is adopted.
Japanese Utility Model Publication No. 58-31801

しかしながら、前記従来の容器では、ゴム状弾性体としてパッキンおよび蓋体とは別部材のＯリングが用いられていたので、蓋体の内側に、パッキンおよびゴム状弾性体を組み付ける際に、ゴム状弾性体が天板部とパッキンとの間で位置ずれし易く、この組み付けに手間がかかり、容器体に充填された内容物の密封性を確保するのが困難になるおそれがあった。   However, in the conventional container, an O-ring that is a separate member from the packing and the lid is used as the rubber-like elastic body. Therefore, when the packing and the rubber-like elastic body are assembled inside the lid, the rubber-like elastic body The elastic body is likely to be displaced between the top plate portion and the packing, and it takes time to assemble the elastic body, which may make it difficult to ensure the sealing performance of the contents filled in the container body.

本発明は、このような事情を考慮してなされたもので、蓋体の内側に、ゴム状弾性体およびパッキンを組み付ける際の手間を低減することが可能になるとともに、容器体に充填された内容物の密封性を容易に確保することができる容器を提供することを目的とする。   The present invention has been made in consideration of such circumstances, and it has become possible to reduce the labor required for assembling the rubber-like elastic body and the packing inside the lid body, and the container body has been filled. It aims at providing the container which can ensure the sealing performance of the content easily.

上記課題を解決して、このような目的を達成するために、本発明の容器は、口部を有する容器体と、前記口部に着脱可能に装着された蓋体と、蓋体の内側に設けられたパッキンと、パッキンと蓋体の天板部との間において前記口部の開口端縁に重なる位置に設けられたリング状のゴム状弾性体と、が備えられ、前記容器体の口部に蓋体を装着したときに、前記ゴム状弾性体が天板部とパッキンとの間に挟まれて圧縮変形し、前記パッキンの表面が前記口部の開口端縁に圧接する構成とされた容器であって、前記ゴム状弾性体は、前記天板部またはパッキンと一体に形成され、前記パッキンの表面には、前記口部の内周面に嵌合可能な嵌合突条部がその全周にわたって突設され、前記パッキンの裏面には、前記嵌合突条部に沿って凹溝が形成されるとともに、前記ゴム状弾性体において前記パッキン側の下面には、下方に向けて突出し、かつ前記凹溝内に配置される突部が設けられ、前記ゴム状弾性体の下面において前記突部の径方向外方に位置する部分は、前記パッキンの裏面において前記凹溝の径方向外方に位置する部分に接し、前記ゴム状弾性体は、前記パッキン側の下面から前記天板部側の上面に向かうに従い漸次、その径方向における厚さが小さくなっていることを特徴とする。
この発明では、ゴム状弾性体が、天板部またはパッキンと一体に形成されているので、蓋体の内側に、ゴム状弾性体およびパッキンを組み付ける際に、ゴム状弾性体が天板部とパッキンとの間で位置ずれするのを防ぐことが可能になり、この組み付け時の手間を低減することが可能になるとともに、容器体に充填された内容物の密封性を容易に確保することができる。
また、容器体の口部に蓋体を装着したときに、パッキンの表面が口部の開口端縁に圧接する構成とされているので、このパッキンにより、ゴム状弾性体が容器体に充填された内容物に接するのを防ぐことが可能になり、ゴム状弾性体が内容物により経時劣化し硬くなる等して、この内容物の密封性が経時的に低下するのを防ぐことができる。
さらに、容器体の口部に蓋体を装着したときに、パッキンの嵌合突条部を口部の内周面に嵌合させることが可能になり、この容器の密封性をより一層確実に向上させることができる。
さらにまた、ゴム状弾性体を、天板部とパッキンとの間で挟みつつ圧縮変形させたときに、このゴム状弾性体の突部をパッキンの凹溝内に向けて押し込むことによって、パッキンの嵌合突条部を口部の内周面に押し付けることが可能になり、この嵌合突条部による口部の内周面への圧接力を向上させることができる。
そして、ゴム状弾性体を天板部とパッキンとの間で挟みつつ、容器体の口部に蓋体を装着したときに、このゴム状弾性体を大きく圧縮変形させることが可能になるとともに、ゴム状弾性体において下面側が最も前記厚さが大きくなっているので、パッキンの表面を口部の開口端縁に安定して圧接させることが可能になる。
なお、このような容器は、ゴム状弾性体と、蓋体またはパッキンとのいずれか一方をインサート品としたインサート成形で形成してもよいし、あるいはいわゆる二色成形により、ゴム状弾性体と、蓋体またはパッキンとの双方を同一の金型内で一体に形成してもよい。 In order to solve the above problems and achieve such an object, a container of the present invention includes a container body having a mouth portion, a lid body detachably attached to the mouth portion, and an inner side of the lid body. And a ring-like rubber-like elastic body provided at a position overlapping the opening edge of the mouth portion between the packing and the top plate portion of the lid, and the mouth of the container body When the lid is attached to the part, the rubber-like elastic body is sandwiched between the top plate part and the packing and is compressed and deformed, and the surface of the packing is pressed against the opening edge of the mouth part. The rubber-like elastic body is formed integrally with the top plate portion or the packing, and the surface of the packing has a fitting protrusion that can be fitted to the inner peripheral surface of the mouth portion. A groove is formed along the entire periphery of the packing and along the fitting protrusion on the back surface of the packing. In addition, the lower surface of the rubber-like elastic body is provided with a protrusion that protrudes downward and is disposed in the concave groove, and the lower surface of the rubber-like elastic body has a protrusion of the protrusion. portion located radially outward, in the back surface of the packing and against the portion located radially outward of the groove, the rubber-like elastic body, from the lower surface of the packing side of the top plate portion The thickness in the radial direction is gradually reduced toward the upper surface .
In this invention, since the rubber-like elastic body is formed integrally with the top plate portion or the packing, when the rubber-like elastic body and the packing are assembled inside the lid, the rubber-like elastic body and the top plate portion are formed. It is possible to prevent displacement from occurring with the packing, and it is possible to reduce the time and effort at the time of assembling and to easily ensure the sealing performance of the contents filled in the container body. it can.
In addition, when the lid is attached to the mouth portion of the container body, the surface of the packing is pressed against the opening edge of the mouth portion, so that the rubber elastic body is filled into the container body by this packing. It is possible to prevent contact with the contents, and it is possible to prevent the sealability of the contents from decreasing over time, such as the rubber-like elastic body being deteriorated and hardened with the contents.
Furthermore, when the lid is attached to the mouth of the container body, the fitting protrusion of the packing can be fitted to the inner peripheral surface of the mouth, and the sealing performance of the container is further ensured. Can be improved.
Furthermore, when the rubber-like elastic body is compressed and deformed while being sandwiched between the top plate portion and the packing, the protrusion of the rubber-like elastic body is pushed into the concave groove of the packing, thereby The fitting protrusion can be pressed against the inner peripheral surface of the mouth, and the pressure contact force of the fitting protrusion on the inner peripheral surface of the mouth can be improved.
And while sandwiching the rubber-like elastic body between the top plate portion and the packing, when the lid is attached to the mouth of the container body, it becomes possible to greatly compress and deform this rubber-like elastic body, Since the thickness of the lower surface side of the rubber-like elastic body is the largest, the surface of the packing can be stably brought into pressure contact with the opening edge of the mouth portion.
Such a container may be formed by insert molding using either a rubber-like elastic body and a lid or packing as an insert product, or by so-called two-color molding, Both the lid and the packing may be integrally formed in the same mold.

ここで、前記ゴム状弾性体において前記天板部側の上面に周溝が形成されてもよい。
この場合、ゴム状弾性体に周溝が形成されているので、ゴム状弾性体を天板部とパッキンとの間で挟みつつ、容器体の口部に蓋体を装着したときに、このゴム状弾性体を大きく圧縮変形させることが可能になり、この容器の密封性を向上させることができる。しかも、この周溝が、ゴム状弾性体の下面ではなく上面に形成されているので、パッキンによる口部の開口端縁への圧接力や圧接面積を安定させることも可能になる。 Here, in the rubber-like elastic body, a circumferential groove may be formed on the top surface on the top plate portion side.
In this case, since the circumferential groove is formed in the rubber-like elastic body, the rubber-like elastic body is sandwiched between the top plate portion and the packing, and this rubber is attached when the lid is attached to the mouth portion of the container body. The shape-like elastic body can be greatly compressed and deformed, and the sealing performance of the container can be improved. In addition, since the circumferential groove is formed on the upper surface rather than the lower surface of the rubber-like elastic body, it is possible to stabilize the pressure contact force and the pressure contact area to the opening edge of the mouth by the packing.

この発明に係る容器によれば、蓋体の内側に、ゴム状弾性体およびパッキンを組み付ける際の手間を低減することが可能になるとともに、容器体に充填された内容物の密封性を容易に確保することができる。   According to the container according to the present invention, it is possible to reduce the trouble when assembling the rubber-like elastic body and the packing inside the lid, and it is easy to seal the contents filled in the container. Can be secured.

以下、図面を参照し、この発明の実施の形態について説明する。この実施形態に係る容器１０は、図１および図２に示されるように、口部１１を有する容器体１２と、口部１１に着脱可能に装着された蓋体１３と、蓋体１３の内側に設けられたパッキン１５と、パッキン１５と蓋体１３の天板部１４との間において口部１１の開口端縁１１ａに重なる位置にその全周にわたって延設されたリング状のゴム状弾性体１６と、が備えられ、容器体１２の口部１１に蓋体１３を装着したときに、ゴム状弾性体１６が天板部１４とパッキン１５との間に挟まれて圧縮変形し、パッキン１５の表面１５ｂが口部１１の開口端縁１１ａに圧接する構成とされている。   Embodiments of the present invention will be described below with reference to the drawings. As shown in FIGS. 1 and 2, the container 10 according to this embodiment includes a container body 12 having a mouth portion 11, a lid body 13 detachably attached to the mouth portion 11, and an inner side of the lid body 13. A ring-like rubber-like elastic body extending over the entire circumference at a position overlapping the opening edge 11a of the mouth portion 11 between the packing 15 provided on the top and the top plate portion 14 of the lid body 13 16, and when the lid 13 is attached to the mouth portion 11 of the container body 12, the rubber-like elastic body 16 is sandwiched between the top plate portion 14 and the packing 15, and is compressed and deformed. The front surface 15b is in pressure contact with the opening edge 11a of the mouth portion 11.

容器体１２の口部１１の外周面には雄ねじ部１１ｂが形成されるとともに、この口部１１の外周面において雄ねじ部１１ｂよりも軸線方向下方に位置する部分に、雄ねじ部１１ｂの上方から下方に向かう螺設方向に沿って突片１７と、この突片１７よりも径方向における突出高さの高い図示されない係止突片とがこの順に突設され、これらの突片１７と係止突片との間が係止凹部１９となっている。   A male screw portion 11b is formed on the outer peripheral surface of the mouth portion 11 of the container body 12, and a portion located on the outer peripheral surface of the mouth portion 11 below the male screw portion 11b in the axial direction is below the male screw portion 11b from above. A protruding piece 17 and a locking protruding piece (not shown) having a protruding height higher in the radial direction than the protruding piece 17 are provided in this order along the screwing direction toward the protruding direction. A locking recess 19 is formed between the two pieces.

また、蓋体１３は、本実施形態では、前記天板部１４を有する有頂筒状の内蓋部２０と、内周面が内蓋部２０の外周面に嵌合した有頂筒状の外蓋部２１と、を備えている。このうち内蓋部２０の周壁部２２の内周面に、前記雄ねじ部１１ｂに着脱可能に螺合する雌ねじ部２３が形成されている。また、内蓋部２０の周壁部２２の外周面においてその開放端部には嵌合突部２４が突設されるとともに、外蓋部２１の周壁部２５の内周面においてその開放端部に嵌合凹部２６が凹設されている。そして、嵌合突部２４が嵌合凹部２６に嵌合することによって蓋体１３が構成されている。  In the present embodiment, the lid 13 has a top-cylindrical inner lid portion 20 having the top plate portion 14 and a top-cylindrical tubular shape whose inner peripheral surface is fitted to the outer peripheral surface of the inner lid portion 20. And an outer lid portion 21. Of these, an internal thread portion 23 is formed on the internal peripheral surface of the peripheral wall portion 22 of the inner lid portion 20 so as to be detachably engaged with the external thread portion 11b. Further, a fitting projection 24 is provided at the open end of the outer peripheral surface of the peripheral wall portion 22 of the inner lid portion 20, and at the open end portion of the inner peripheral surface of the peripheral wall portion 25 of the outer lid portion 21. The fitting recess 26 is recessed. The lid 13 is configured by fitting the fitting protrusion 24 into the fitting recess 26.

ここで、内蓋部２０の周壁部２２の内周面における開放端部には係合突起２７が突設されており、前記雄ねじ部１１ｂを雌ねじ部２３にその螺合限まで締め込んで蓋体１３を口部１１に螺着したときに、この係合突起２７が、口部１１の突片１７を乗り越えて係止凹部１９に係合するようになっている。これにより、蓋体１３を容器体１２の口部１１に装着したときに、容器体１２の周方向位置に対して外蓋部２１の周壁部２５の周方向位置を合わせることができるようになっている。  Here, an engagement protrusion 27 is projected from the open end portion of the inner peripheral surface of the peripheral wall portion 22 of the inner lid portion 20, and the male screw portion 11 b is tightened to the female screw portion 23 to its screwing limit. When the body 13 is screwed to the mouth portion 11, the engaging projection 27 gets over the protruding piece 17 of the mouth portion 11 and engages with the locking recess 19. Thereby, when the lid 13 is attached to the mouth portion 11 of the container body 12, the circumferential position of the peripheral wall portion 25 of the outer lid portion 21 can be matched with the circumferential position of the container body 12. ing.

パッキン１５は円板状とされるとともに、その外径は口部１１の開口端縁１１ａの外径と同等とされている。また、パッキン１５の表面１５ｂには、突条部１５ａがその全周にわたって突設されており、蓋体１３を口部１１に装着したときに、突条部１５ａが口部１１の開口端縁１１ａにその全周にわたって圧接するようになっている。さらに、本実施形態では、パッキン１５の表面１５ｂにおいて突条部１５ａの径方向内方に、口部１１の内周面に嵌合可能な嵌合突条部２９が、突条部１５ａと同軸に突設されている。また、パッキン１５の裏面１５ｃに、この嵌合突条部２９に沿って凹溝３０が形成されている。これらの嵌合突条部２９および凹溝３０はそれぞれ、パッキン１５の全周にわたって連続して延在している。  The packing 15 has a disk shape, and its outer diameter is equal to the outer diameter of the opening edge 11a of the mouth portion 11. Further, a protrusion 15 a is provided on the surface 15 b of the packing 15 over the entire circumference, and when the lid 13 is attached to the mouth 11, the protrusion 15 a is an opening edge of the mouth 11. 11a is pressed over the entire circumference. Furthermore, in the present embodiment, the fitting protrusion 29 that can be fitted to the inner peripheral surface of the mouth portion 11 is coaxial with the protrusion 15a on the inner surface in the radial direction of the protrusion 15a on the surface 15b of the packing 15. Projected to Further, a concave groove 30 is formed on the back surface 15 c of the packing 15 along the fitting protrusion 29. Each of the fitting protrusions 29 and the groove 30 extends continuously over the entire circumference of the packing 15.

ゴム状弾性体１６は、例えばオレフィン系、スチレン系、若しくはポリエステル系等の熱可塑性のエラストマ材料でリング状に形成されている。ここで、ゴム状弾性体１６の縦断面視は、四角形状とされており、前記天板部１４側の上面１６ａには、その全周にわたって連続して延びる周溝２８が形成されている。図示の例では、周溝２８は、ゴム状弾性体１６の上面１６ａにおける径方向中央部に形成されている。また、このゴム状弾性体１６におけるパッキン１５側の下面１６ｂにおいてその径方向内方端部には、下方に向けて突出し、かつパッキン１５の凹溝３０内に配置される突部３１が設けられている。この突部３１は、ゴム状弾性体１６の全周にわたって連続して延在している。   The rubber-like elastic body 16 is formed in a ring shape from a thermoplastic elastomer material such as olefin, styrene, or polyester. Here, the vertical cross-sectional view of the rubber-like elastic body 16 has a quadrangular shape, and a circumferential groove 28 extending continuously over the entire circumference is formed on the upper surface 16a on the top plate 14 side. In the illustrated example, the circumferential groove 28 is formed in the central portion in the radial direction on the upper surface 16 a of the rubber-like elastic body 16. Further, on the lower surface 16 b on the packing 15 side of the rubber-like elastic body 16, a protruding portion 31 that protrudes downward and is disposed in the recessed groove 30 of the packing 15 is provided at the radially inner end portion thereof. ing. The protrusion 31 extends continuously over the entire circumference of the rubber-like elastic body 16.

そして、本実施形態では、ゴム状弾性体１６はパッキン１５と一体に形成されている。すなわち、ゴム状弾性体１６の突部３１の外面が、パッキン１５の凹溝３０の内面に接合し、かつ突部３１を除くゴム状弾性体１６の下面１６ｂの全域が、パッキン１５の裏面１５ｃにおいて凹溝３０の径方向外方に位置する部分に接合されている。これらのゴム状弾性体１６およびパッキン１５は、例えば、ゴム状弾性体１６およびパッキン１５のいずれか一方をインサート品としたインサート成形により形成してもよいし、あるいはいわゆる二色成形により、ゴム状弾性体１６とパッキン１５との双方を同一の金型内で一体に形成してもよい。  In this embodiment, the rubber-like elastic body 16 is formed integrally with the packing 15. That is, the outer surface of the protrusion 31 of the rubber-like elastic body 16 is joined to the inner surface of the concave groove 30 of the packing 15, and the entire area of the lower surface 16 b of the rubber-like elastic body 16 excluding the protrusion 31 is the back surface 15 c of the packing 15. Are joined to a portion of the concave groove 30 located radially outward. These rubber-like elastic body 16 and packing 15 may be formed by, for example, insert molding using either one of rubber-like elastic body 16 or packing 15 as an insert product, or by so-called two-color molding. Both the elastic body 16 and the packing 15 may be integrally formed in the same mold.

以上より、容器体１２の口部１１に蓋体１３を装着したときに、ゴム状弾性体１６が天板部１４とパッキン１５との間に挟まれ、図２の二点差線で示されるように圧縮変形させられ、パッキン１５の表面１５ｂが口部１１の開口端縁１１ａに圧接する。この状態で、パッキン１５の表面１５ｂにより容器体１２の内部が密閉されて、パッキン１５の裏面１５ｃに接合されたゴム状弾性体１６は、口部１１の開口端縁１１ａと非接触となっている。   From the above, when the lid body 13 is attached to the mouth portion 11 of the container body 12, the rubber-like elastic body 16 is sandwiched between the top plate portion 14 and the packing 15, and is shown by a two-dot chain line in FIG. The surface 15 b of the packing 15 is pressed against the opening edge 11 a of the mouth portion 11. In this state, the inside of the container body 12 is sealed by the surface 15 b of the packing 15, and the rubber-like elastic body 16 joined to the back surface 15 c of the packing 15 is not in contact with the opening edge 11 a of the mouth portion 11. Yes.

以上説明したように本実施形態に係る容器１０によれば、ゴム状弾性体１６がパッキン１５と一体に形成されているので、蓋体１３の内側に、ゴム状弾性体１６およびパッキン１５を組み付ける際に、ゴム状弾性体１６が天板部１４とパッキン１５との間で位置ずれするのを防ぐことが可能になり、この組み付け時の手間を低減することが可能になるとともに、容器体１２に充填された内容物の密封性を容易に確保することができる。   As described above, according to the container 10 according to this embodiment, since the rubber-like elastic body 16 is formed integrally with the packing 15, the rubber-like elastic body 16 and the packing 15 are assembled inside the lid body 13. At this time, it is possible to prevent the rubber-like elastic body 16 from being displaced between the top plate portion 14 and the packing 15, and it is possible to reduce the time and labor at the time of assembling and the container body 12. It is possible to easily ensure the sealing performance of the contents filled in the container.

また、本実施形態では、容器体１２の口部１１に蓋体１３を装着したときに、パッキン１５が口部１１の開口端縁１１ａに圧接する構成とされているので、このパッキン１５により、ゴム状弾性体１６が容器体１２に充填された内容物に接するのを防ぐことが可能になり、ゴム状弾性体１６が内容物により経時劣化し硬くなる等して、この内容物の密封性が経時的に低下するのを防ぐことができる。   Further, in this embodiment, when the lid 13 is attached to the mouth portion 11 of the container body 12, the packing 15 is configured to be in pressure contact with the opening edge 11 a of the mouth portion 11. It becomes possible to prevent the rubber-like elastic body 16 from coming into contact with the contents filled in the container body 12, and the rubber-like elastic body 16 is deteriorated with time due to the contents and becomes hard. Can be prevented from decreasing over time.

さらに、本実施形態では、ゴム状弾性体１６の上面１６ａに周溝２８が形成されているので、ゴム状弾性体１６を天板部１４とパッキン１５との間で挟みつつ、容器体１２の口部１１に蓋体１３を装着したときに、このゴム状弾性体１６を大きく圧縮変形させることが可能になり、この容器１０の密封性を向上させることができる。
しかも、この周溝２８が、ゴム状弾性体１６の下面１６ｂではなく上面１６ａに形成されているので、パッキン１５による口部１１の開口端縁１１ａへの圧接力や圧接面積を安定させることも可能になる。 Furthermore, in this embodiment, since the circumferential groove 28 is formed in the upper surface 16a of the rubber-like elastic body 16, the rubber-like elastic body 16 is sandwiched between the top plate portion 14 and the packing 15 and the container body 12 When the lid body 13 is attached to the mouth portion 11, the rubber-like elastic body 16 can be greatly compressed and deformed, and the sealing performance of the container 10 can be improved.
In addition, since the circumferential groove 28 is formed not on the lower surface 16b of the rubber-like elastic body 16 but on the upper surface 16a, the pressure contact force and the pressure contact area of the packing 15 on the opening edge 11a of the mouth portion 11 may be stabilized. It becomes possible.

また、パッキン１５の表面１５ｂに、口部１１の内周面に嵌合可能な嵌合突条部２９がその全周にわたって突設されているので、容器体１２の口部１１に蓋体１３を装着したときに、嵌合突条部２９を口部１１の内周面に嵌合させることが可能になり、この容器１０の密封性をより一層確実に向上させることができる。   Moreover, since the fitting protrusion 29 which can be fitted to the inner peripheral surface of the mouth portion 11 is provided on the surface 15 b of the packing 15 over the entire circumference thereof, the lid body 13 is formed on the mouth portion 11 of the container body 12. When the is mounted, the fitting protrusion 29 can be fitted to the inner peripheral surface of the mouth portion 11, and the sealing performance of the container 10 can be further improved.

さらに、本実施形態では、パッキン１５の裏面１５ｃに、嵌合突条部２９に沿って凹溝３０が形成されるとともに、ゴム状弾性体１６の下面１６ｂには、下方に向けて突出し、かつ凹溝３０内に配置される突部３１が設けられているので、ゴム状弾性体１６を、天板部１４とパッキン１５との間で挟みつつ圧縮変形させたときに、このゴム状弾性体１６の突部３１をパッキン１５の凹溝３０内に向けて押し込むことによって、パッキン１５の嵌合突条部２９を口部１１の内周面に押し付けることが可能になり、この嵌合突条部２９による口部１１の内周面への圧接力を向上させることができる。   Further, in the present embodiment, a concave groove 30 is formed along the fitting protrusion 29 on the back surface 15c of the packing 15, and the lower surface 16b of the rubber-like elastic body 16 protrudes downward, and Since the protrusion 31 disposed in the recessed groove 30 is provided, when the rubber-like elastic body 16 is compressed and deformed while being sandwiched between the top plate portion 14 and the packing 15, this rubber-like elastic body. By pushing the 16 protrusions 31 into the groove 30 of the packing 15, the fitting protrusion 29 of the packing 15 can be pressed against the inner peripheral surface of the mouth 11, and this fitting protrusion The pressure-contact force to the inner peripheral surface of the mouth part 11 by the part 29 can be improved.

なお、本発明の技術的範囲は前記実施の形態に限定されるものではなく、本発明の趣旨を逸脱しない範囲において種々の変更を加えることが可能である。
例えば、前記実施形態では、ゴム状弾性体１６がパッキン１５と一体に形成された構成を示したが、これに代えて、ゴム状弾性体１６が天板部１４と一体に形成された構成を採用してもよい。
また、蓋体１３として、内蓋部２０と外蓋部２１とを有する構成を示したが、これに代えて例えば、内蓋部２０のみを有する蓋体を採用してもよい。 The technical scope of the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.
For example, in the above-described embodiment, the configuration in which the rubber-like elastic body 16 is formed integrally with the packing 15 is shown, but instead, the configuration in which the rubber-like elastic body 16 is formed integrally with the top plate portion 14 is shown. It may be adopted.
Moreover, although the structure which has the inner cover part 20 and the outer cover part 21 was shown as the cover body 13, instead of this, you may employ | adopt the cover body which has only the inner cover part 20, for example.

さらに、前記実施形態のようにゴム状弾性体１６の上面１６ａに周溝２８を形成するのに代えて、例えば図３に示されるように、パッキン１５側の下面１６ｂから天板部１４側の上面１６ａに向かうに従い漸次、その径方向における厚さを小さくしてもよい。この構成においても、ゴム状弾性体１６を、天板部１４とパッキン１５との間で挟みつつ、容器体１２の口部１１に蓋体１３を装着したときに、このゴム状弾性体１６を大きく圧縮変形させることが可能になるとともに、ゴム状弾性体１６において下面１６ｂ側が最も前記厚さが大きくなっているので、パッキン１５を口部１１の開口端縁１１ａに安定して圧接させることが可能になる。
さらにまた、図３に示されるようなゴム状弾性体１６の上面１６ａに、図２で示したような周溝２８を形成してもよい。 Further, instead of forming the circumferential groove 28 on the upper surface 16a of the rubber-like elastic body 16 as in the above-described embodiment, for example, as shown in FIG. 3, the lower surface 16b on the packing 15 side and the top plate portion 14 side are arranged. The thickness in the radial direction may be gradually reduced toward the upper surface 16a. Even in this configuration, when the lid 13 is attached to the mouth portion 11 of the container body 12 while the rubber-like elastic body 16 is sandwiched between the top plate portion 14 and the packing 15, the rubber-like elastic body 16 is attached. It is possible to greatly compress and deform, and since the thickness of the lower surface 16b side of the rubber-like elastic body 16 is the largest, the packing 15 can be stably brought into pressure contact with the opening edge 11a of the mouth portion 11. It becomes possible.
Furthermore, a circumferential groove 28 as shown in FIG. 2 may be formed on the upper surface 16a of the rubber-like elastic body 16 as shown in FIG.

さらに、蓋体１３を口部１１に装着するのに、前述したように雄ねじ部１１ｂと雌ねじ部２３とを螺合するのに代えて、例えば、蓋体１３の内周面および口部１１の外周面にそれぞれ、互いに着脱可能に嵌合する嵌合部を形成して、いわゆるアンダーカット嵌合により蓋体１３を口部１１に装着するようにしてもよい。   Furthermore, instead of screwing the male screw portion 11b and the female screw portion 23 as described above to attach the lid body 13 to the mouth portion 11, for example, the inner peripheral surface of the lid body 13 and the mouth portion 11 A fitting portion that is detachably fitted to each other may be formed on the outer peripheral surface, and the lid 13 may be attached to the mouth portion 11 by so-called undercut fitting.

さらにまた、前記実施形態では、蓋体１３を容器体１２の口部１１に装着したときに、容器体１２の周方向位置に対して外蓋部２１の周壁部２５の周方向位置を合わせるために、口部１１の外周面に、突片１７と前記係止突片と係止凹部１９とを形成し、内蓋部２０の周壁部２２の内周面に係合突起２７を突設したが、例えば、容器体１２の外周面形状、および外蓋部２１の周壁部２５の外周面形状のうち、少なくとも外蓋部２１の周壁部２５の外周面形状が円形であって、前述したような周方向位置合わせの必要がない場合には、これらの突片１７、前記係止突片、係止凹部１９および係合突起２７を設けなくてもよい。  Furthermore, in the embodiment, when the lid 13 is attached to the mouth portion 11 of the container body 12, the circumferential position of the peripheral wall portion 25 of the outer lid portion 21 is aligned with the circumferential position of the container body 12. On the outer peripheral surface of the mouth portion 11, the projecting piece 17, the engaging projecting piece and the engaging recess 19 are formed, and the engaging projection 27 projects from the inner peripheral surface of the peripheral wall portion 22 of the inner lid portion 20. However, for example, among the outer peripheral surface shape of the container body 12 and the outer peripheral surface shape of the peripheral wall portion 25 of the outer lid portion 21, at least the outer peripheral surface shape of the peripheral wall portion 25 of the outer lid portion 21 is circular, as described above. When it is not necessary to perform alignment in the circumferential direction, the protrusions 17, the locking protrusions, the locking recesses 19, and the engaging protrusions 27 may not be provided.

また、ゴム状弾性体１６に設けられた周溝２８および突部３１や、パッキン１５に設けられた嵌合突条部２９および凹溝３０は、前記実施形態に代えて、例えばそれぞれの周方向に断続的に点在させる等してもよいし、あるいはこれら２８、３１、２９、３０を設けなくてもよい。
さらに、前記実施形態では、突部３１を、ゴム状弾性体１６の下面１６ｂにおける径方向内方端部に設けたが、これに代えて例えば、下面１６ｂの径方向中央部等に設けてもよい。 Moreover, the circumferential groove 28 and the protrusion 31 provided in the rubber-like elastic body 16 and the fitting protrusion 29 and the groove 30 provided in the packing 15 are replaced with, for example, the respective circumferential directions. May be intermittently scattered, or these 28, 31, 29, 30 may not be provided.
Furthermore, in the said embodiment, although the protrusion 31 was provided in the radial direction inner end part in the lower surface 16b of the rubber-like elastic body 16, it may replace with this, for example, may provide in the radial direction center part etc. of the lower surface 16b. Good.

蓋体の内側に、ゴム状弾性体およびパッキンを組み付ける際の手間を低減することが可能になるとともに、容器体に充填された内容物の密封性を容易に確保することができる。   It is possible to reduce time and labor when assembling the rubber-like elastic body and packing inside the lid body, and it is possible to easily ensure the sealing performance of the contents filled in the container body.

本発明に係る第１実施形態として示した容器の一部縦断面図である。It is a partial longitudinal cross-sectional view of the container shown as 1st Embodiment concerning this invention. 図１に示す容器の一部拡大断面図である。It is a partially expanded sectional view of the container shown in FIG. 本発明に係る第２実施形態として示した容器の一部拡大縦断面図である。It is a partially expanded longitudinal cross-sectional view of the container shown as 2nd Embodiment concerning this invention.

符号の説明Explanation of symbols

１０ 容器
１１ 口部
１１ａ 開口端縁
１２ 容器体
１３ 蓋体
１４ 天板部
１５ パッキン
１５ｂ 表面
１５ｃ 裏面
１６ ゴム状弾性体
１６ａ 上面
１６ｂ 下面
２８ 周溝
２９ 嵌合突条部
３０ 凹溝
３１ 突部

DESCRIPTION OF SYMBOLS 10 Container 11 Mouth part 11a Opening edge 12 Container body 13 Lid body 14 Top plate part 15 Packing 15b Front surface 15c Back surface 16 Rubber-like elastic body 16a Upper surface 16b Lower surface 28 Circumferential groove 29 Fitting protrusion 30 Recessed groove 31 Projection

Claims (2)

口部を有する容器体と、前記口部に着脱可能に装着された蓋体と、蓋体の内側に設けられたパッキンと、パッキンと蓋体の天板部との間において前記口部の開口端縁に重なる位置に設けられたリング状のゴム状弾性体と、が備えられ、前記容器体の口部に蓋体を装着したときに、前記ゴム状弾性体が天板部とパッキンとの間に挟まれて圧縮変形し、前記パッキンの表面が前記口部の開口端縁に圧接する構成とされた容器であって、
前記ゴム状弾性体は、前記天板部またはパッキンと一体に形成され、
前記パッキンの表面には、前記口部の内周面に嵌合可能な嵌合突条部がその全周にわたって突設され、
前記パッキンの裏面には、前記嵌合突条部に沿って凹溝が形成されるとともに、前記ゴム状弾性体において前記パッキン側の下面には、下方に向けて突出し、かつ前記凹溝内に配置される突部が設けられ、
前記ゴム状弾性体の下面において前記突部の径方向外方に位置する部分は、前記パッキンの裏面において前記凹溝の径方向外方に位置する部分に接し、
前記ゴム状弾性体は、前記パッキン側の下面から前記天板部側の上面に向かうに従い漸次、その径方向における厚さが小さくなっていることを特徴とする容器。 A container body having a mouth portion, a lid body detachably mounted on the mouth portion, a packing provided inside the lid body, and an opening of the mouth portion between the packing and the top plate portion of the lid body A ring-like rubber-like elastic body provided at a position overlapping the edge, and when the lid is attached to the mouth of the container body, the rubber-like elastic body is formed between the top plate portion and the packing. It is a container that is sandwiched between and compressed and deformed, and the surface of the packing is configured to be in pressure contact with the opening edge of the mouth,
The rubber-like elastic body is formed integrally with the top plate portion or packing,
On the surface of the packing, a fitting ridge that can be fitted to the inner peripheral surface of the mouth is projected over the entire circumference,
A concave groove is formed on the back surface of the packing along the fitting protrusion, and the rubber-like elastic body protrudes downward on the lower surface on the packing side, and in the concave groove. Protrusions to be placed are provided,
Portion located radially outwardly of said projection in the lower surface of the rubber-like elastic body, and contact the back surface of the packing in the portion located radially outward of the groove,
The rubber-like elastic body is characterized in that the thickness in the radial direction gradually decreases from the lower surface on the packing side toward the upper surface on the top plate portion side . 請求項１記載の容器であって、
前記ゴム状弾性体において前記天板部側の上面に周溝が形成されていることを特徴とする容器。 The container according to claim 1,
In the rubber-like elastic body, a circumferential groove is formed on an upper surface on the top plate portion side.
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