JP6030361B2 - Opening stopper and container with opening stopper - Google Patents

Opening stopper and container with opening stopper Download PDF

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JP6030361B2
JP6030361B2 JP2012153187A JP2012153187A JP6030361B2 JP 6030361 B2 JP6030361 B2 JP 6030361B2 JP 2012153187 A JP2012153187 A JP 2012153187A JP 2012153187 A JP2012153187 A JP 2012153187A JP 6030361 B2 JP6030361 B2 JP 6030361B2
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plug
mouth
plug body
flow path
guide
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JP2014015230A (en
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幸夫 石井
幸夫 石井
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Nihon Kim Co Ltd
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Description

本発明は、例えば液状の薬剤、食品、化粧品などの流動物（以下、収容物と称する）を収容する収容体に設けられる開封栓、および、そのような開封栓を備えて収容物を収容する開封栓付き収容体に関する。   The present invention includes, for example, an opening plug provided in a container for storing a fluid (hereinafter referred to as a container) such as liquid medicine, food, and cosmetics, and a container including such a container for storing the container. The present invention relates to a container with an opening stopper.

従来、収容物を収容するこのような収容体は、例えばプラスチック製のボトル形態に構成されていたり、あるいは、柔軟な合成樹脂シートを融着等することによって構成されており、通常、これらの収容体には、収容物を取り出すために、例えば合成樹脂製の開封栓が取り付けられている。   Conventionally, such a container for storing the contents is configured, for example, in the form of a plastic bottle or by fusing a flexible synthetic resin sheet. For example, a synthetic resin opening plug is attached to the body to take out the contents.

このような開封栓は、一般に、収容体内に収容された収容物を取り出すための流路が形成された口栓本体部と、この口栓本体部に着脱自在に接続されて口栓本体部の流路開口端を閉塞するための栓体部とから成り、栓体部としては、一般的にネジ式キャップが使用される（例えば特許文献１参照）。このようなネジ式の栓体部は、シール性（封止性）が高く、改ざん防止機能を果たす部品などの付加も可能であるため、多方面で使用されている。   Such an unsealing plug is generally provided with a plug main body portion in which a flow path for taking out the contents stored in the container is formed, and the plug main body portion detachably connected to the plug main body portion. It consists of a plug part for closing the flow path opening end, and a screw type cap is generally used as the plug part (see, for example, Patent Document 1). Such a screw-type plug body has high sealing performance (sealing performance) and can be added with a part that performs a function of preventing falsification. Therefore, it is used in various fields.

しかし、ネジ式の栓体部では、口栓本体部の口径が例えば６ｍｍ以下になると、ネジ部の寸法上の制約から、その使用が制限される。そのため、口栓本体部の口径が小さい小型の開封栓では、口栓本体部の流路開口端に栓体部を差し（押し）込んで流路開口端を閉塞する方法（押し込み式）が使用されている（例えば特許文献２参照）。   However, in the screw-type plug body portion, when the diameter of the plug main body portion is, for example, 6 mm or less, the use thereof is restricted due to restrictions on the dimensions of the screw portion. Therefore, for small opening plugs with a small diameter plug body, the plug body is inserted (pushed) into the channel opening end of the plug body to close the channel opening end (push-in type). (See, for example, Patent Document 2).

特開２００２−１０４４４７号JP 2002-104447 A 特許第２９２０１３６号Japanese Patent No. 2920136

ところで、押し込み式の栓体部の場合には、シール性を高めるために、口栓本体部の流路とこの流路に差し（押し）込まれる栓体部の閉塞部位との密閉度を高める必要がある。しかしながら、両者の密閉度を高める結果、口栓本体部の流路内周面と栓体部の閉塞部位外周面との間の摩擦抵抗が大きくなり、そのため、垂直方向に大きな力を加えなければ口栓本体部から栓体部を引き抜くことができなくなる。   By the way, in the case of a push-in plug body, in order to improve the sealing performance, the degree of sealing between the channel of the plug body and the plugged portion plugged into the channel is increased. There is a need. However, as a result of increasing the degree of sealing of both, the frictional resistance between the flow passage inner peripheral surface of the plug body and the outer peripheral surface of the plug portion of the plug body increases, and therefore a large force must be applied in the vertical direction. The plug body cannot be pulled out from the plug body.

本発明は、上記した問題に着目してなされたものであり、押し込み式の栓体部を小さな力で容易に口栓本体部から抜き取ることができる開封栓、およびそのような開封栓付きの収容体を提供することを目的とする。   The present invention has been made paying attention to the above-described problem, and an opening plug that can be easily pulled out from a plug body with a small force and a housing with such an opening plug. The purpose is to provide a body.

上記した目的を達成するために、本発明は、収容物を収容する収容体に取着される開封栓であって、前記収容体内に収容された収容物を取り出すための断面が円形の流路を有する口栓本体部と、前記口栓本体部の前記流路の開口端を閉塞するために前記口栓本体部に着脱自在に接続される栓体部と、を備え、前記口栓本体部は、その流路の開口端の周囲に、断面非円形状の壁部を具備した口部を有し、前記栓体部は、前記口栓本体部の前記流路に着脱自在に嵌入して流路の開口端を閉塞する断面が円形の嵌入部と、前記嵌入部が前記流路に嵌入した状態で、前記口部に被嵌して前記口部を覆うキャップ部と、を有し、前記キャップ部は、前記口部に被嵌した状態で前記口部の壁部に沿って延び、前記流路に嵌入した前記嵌入部の回転時に、前記口部の壁部に当て突いて弾性的にねじれ変形しながら壁部を乗り上がって、前記嵌入部を前記流路から引き抜く方向に移動させる第１の引き抜きガイドを有し、前記キャップ部は、前記嵌入部を回転操作するための操作摘みを有し、この操作摘みには、前記第１の引き抜きガイドが前記口部の壁部を乗り上がった後、更に嵌入部を回転した際、前記壁部に当て突いて前記嵌入部を前記流路から引き抜く方向に更に移動させる第２の引き抜きガイドが設けられていることを特徴とする。 In order to achieve the above-described object, the present invention provides an opening stopper attached to a container for storing a container, and a channel having a circular cross section for taking out the container stored in the container A plug body part, and a plug body part detachably connected to the plug body part in order to close the opening end of the flow path of the plug body part. Has a mouth part having a non-circular cross-sectional wall around the open end of the flow path, and the plug body part is detachably fitted into the flow path of the plug body part. A fitting section having a circular cross section that closes the opening end of the flow path; and a cap section that fits over the mouth part and covers the mouth part in a state where the fitting part is fitted into the flow path. the cap portion extends along the wall of the mouth portion in a state of being fitted over the opening, during the rotation of fitted into said channel said fitting portion, before And riding the wall portion while elastically torsional deformation against poked in the wall of the mouth portion, have a first withdrawal guide is moved in a direction withdrawing the insert portion from the flow path, the cap portion, An operation knob for rotating the insertion portion, and when the first extraction guide rides on the wall portion of the mouth portion and further rotates the insertion portion, the wall A second extraction guide is provided that further contacts the portion and further moves the insertion portion in the direction of extraction from the flow path .

上記した構成によれば、栓体部の嵌入部を、口栓本体部の流路に押し込む（嵌入する）と、流路開口端が閉塞されるとともに、栓体部のキャップ部が口栓本体部の口部に着脱自在に被嵌して前記口部が閉塞状態に覆われる。また、この閉塞状態では、キャップ部の第１の引き抜きガイドが口栓本体部の口部の壁部に沿って延在する。   According to the configuration described above, when the fitting portion of the plug body portion is pushed into (inserted into) the flow path of the plug body portion, the opening end of the flow passage is closed and the cap portion of the plug body portion is plugged into the plug body. The mouth part is covered in a closed state by being detachably fitted to the mouth part of the part. In this closed state, the first pull-out guide of the cap portion extends along the wall portion of the mouth portion of the cap body portion.

そして、この状態で栓体部を例えば把持して回すと、流路内で嵌入部が回転し、それに伴って、キャップ部の第１の引き抜きガイドが口部の壁部に当て突き、弾性的にねじれ変形しながら前記壁部に沿ってこれを乗り上がるようになり、この乗り上がり作用により、嵌入部が流路から引き抜かれる方向に移動する。   In this state, for example, when the plug portion is gripped and rotated, the insertion portion rotates in the flow path, and accordingly, the first extraction guide of the cap portion abuts against the wall portion of the mouth portion and is elastic. It is ridden along the wall portion while being twisted and is moved up in the direction in which the fitting portion is pulled out from the flow path.

このように、本発明によれば、口部の壁部を乗り上がる第１の引き抜きガイドの乗り上がり作用により、流路からの嵌入部の引き抜き動作が補助されるため、栓体部を小さな力で容易に口栓本体部から抜き取ることができる。なお、上記構成では、第１の引き抜きガイドの乗り上がり作用（引き抜き作用）により、嵌入部が流路から完全に引き抜かれても良いし、部分的に引き抜かれても良い。   Thus, according to the present invention, the pulling-in action of the first pull-out guide that rides on the wall portion of the mouth portion assists the pulling-out operation of the fitting portion from the flow path. It can be easily removed from the plug body. In the above configuration, the fitting portion may be completely pulled out from the flow path or partially pulled out by the climbing action (pulling action) of the first pulling guide.

また、上記した構成において、前記キャップ部は、前記嵌入部を回転操作するための操作摘みを有し、この操作摘みには、前記第１の引き抜きガイドが前記口部の壁部を乗り上がった後、更に嵌入部を回転した際、前記壁部に当て突いて前記嵌入部を前記流路から引き抜く方向に更に移動させる第２の引き抜きガイドを設けておいても良い。   Further, in the above configuration, the cap portion has an operation knob for rotating the insertion portion, and the first pull-out guide rides on the wall portion of the mouth portion for the operation knob. After that, when the insertion portion is further rotated, a second extraction guide may be provided that contacts the wall portion and further moves the insertion portion in a direction in which the insertion portion is extracted from the flow path.

この場合には、第１の引き抜きガイドによる引き抜き作用が働かなくなった後、第２の引き抜きガイドがこれを引き継いで更なる引き抜き動作を進行させることができ、あるいは、第１の引き抜きガイドによる引き抜き作用を第２の引き抜きガイドによって更に補助することもできる。   In this case, after the pulling action by the first pulling guide ceases to work, the second pulling guide can take over and allow the further pulling operation to proceed, or the pulling action by the first pulling guide. Can be further assisted by a second extraction guide.

また、本発明は、上記した構成の開封栓を備える収容体も提供する。この場合、収容体は、シート状部材の周囲を溶着して構成された自立体や非自立体として構成されていても良いし、プラスチックやガラス等のボトルタイプとして構成されていても良い。   The present invention also provides a container including the opening plug having the above-described configuration. In this case, the container may be configured as a self-solid or non-self-solid configured by welding around the sheet-like member, or may be configured as a bottle type such as plastic or glass.

本発明によれば、口部の壁部を乗り上がる第１の引き抜きガイドの乗り上がり作用により、流路からの嵌入部の引き抜き動作が補助されるため、押し込み式の栓体部を小さな力で容易に口栓本体部から抜き取ることができる。   According to the present invention, the operation of pulling out the fitting portion from the flow path is assisted by the climbing action of the first pull-out guide that climbs over the wall portion of the mouth portion, so that the push-in plug body portion can be moved with a small force. It can be easily removed from the plug body.

本発明の一実施形態に係る開封栓付き収容体の全体概略図。The whole schematic of the container with an opening stopper concerning one embodiment of the present invention. 図１の開封栓付き収容体の開封栓の要部拡大斜視図であり、口栓本体部に栓体部を接続する前の状態を示す図。It is a principal part expansion perspective view of the opening plug of the container with an opening plug of FIG. 1, and is a figure which shows the state before connecting a plug body part to a plug main body part. 口栓本体部に栓体部を接続した状態を示す開封栓の概略側面図（栓体部が斜線で示される）。The schematic side view of the opening plug which shows the state which connected the plug part to the plug main part (the plug part is shown by the oblique line). 開封栓の口栓本体部の平面図。The top view of the cap main-body part of an opening stopper. 開封栓の口栓本体部の側面図。The side view of the cap main-body part of an opening stopper. 口栓本体部に栓体部を部分的に接続した状態を示す開封栓の概略側面図（栓体部の栓本体が斜線で示される）。The schematic side view of the opening plug which shows the state which connected the plug part part to the plug main part (the plug main part of a plug part is shown with an oblique line). 開封栓の栓体部を裏側（栓本体側）から見た平面図。The top view which looked at the plug part of the opening plug from the back side (plug main body side). 開封栓の栓体部を表側（キャップ部側）から見た平面図。The top view which looked at the plug part of the opening plug from the front side (cap part side). 開封栓の栓体部の側面図。The side view of the plug part of an opening stopper. 開封栓の栓体部の正面図。The front view of the plug part of an opening stopper. （ａ）は口栓本体部に対して正規の接続位置にある栓体部の平面図、（ｂ）は（ａ）の位置から栓体部を口栓本体部に対して９０°回転させた状態の栓体部の平面図、（ｃ）は（ｂ）の位置から栓体部を口栓本体部に対して更に９０°（（ａ）の位置から１８０°）回転させた状態の栓体部の平面図、（ｄ）は（ａ）の接続位置に対応する開封栓の概略側面図（栓体部の嵌入部が斜線で示され、（ａ）の位置に対応する嵌入部の下端位置がＡで示され、（ｂ）の位置に対応する嵌入部の下端位置がＢで示され、これらの位置間での嵌入部の下端位置の移動量が交差斜線で示されている）、そして、（ｅ）は（ｃ）の接続位置に対応する開封栓の概略側面図（栓体部の栓本体が斜線で示され、（ａ）の位置に対応する栓本体の下端位置がＡで示され、（ｂ）の位置に対応する嵌入部の下端位置がＢで示され、（ｃ）の位置に対応する嵌入部の下端位置がＣで示されている）。(A) is a plan view of the plug body portion at a normal connection position with respect to the plug body portion, (b) is a 90 ° rotation of the plug body portion with respect to the plug body portion from the position of (a). The top view of the plug body part of a state, (c) is the plug body of the state which rotated the plug body part from the position of (b) further 90 degrees (180 degrees from the position of (a)) with respect to the plug main-body part. (D) is a schematic side view of an unsealing plug corresponding to the connection position of (a) (the insertion part of the plug body part is indicated by oblique lines, and the lower end position of the insertion part corresponding to the position of (a)) Is indicated by A, the lower end position of the insertion portion corresponding to the position of (b) is indicated by B, and the amount of movement of the lower end position of the insertion portion between these positions is indicated by cross diagonal lines), and , (E) is a schematic side view of an unsealing plug corresponding to the connection position of (c) (the plug body of the plug body portion is indicated by oblique lines, and the lower end position of the plug body corresponding to the position of (a) is indicated by A. , The lower end position of the fitting portion corresponding to the position of (b) is shown in B, and shown in the lower end position of the fitting portion C corresponding to the position of (c)). キャップ部の第１の引き抜きガイドが口栓本体部の口部の壁部を乗り上がった状態を示す概略斜視図。The schematic perspective view which shows the state which the 1st extraction guide of the cap part got on the wall part of the opening | mouth part of a plug main-body part. キャップ部の第２の引き抜きガイドが口栓本体部の口部の壁部を乗り上がった状態を示す概略斜視図。The schematic perspective view which shows the state which the 2nd extraction guide of the cap part got on the wall part of the opening | mouth part of a plug main-body part.

以下、添付図面を参照して、本発明の一実施形態について説明する。
図１は、本実施形態に係る開封栓付き収容体１の全体概略図を示している。図示のように、収容体１は、収容物を収容するための収容部２と、収容部２に収容される収容物を注出するために収容部２の上部隅部付近に形成された注出部３と、注出部３に取着される開封栓８０とを備える。 Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.
FIG. 1: has shown the whole schematic diagram of the container 1 with an opening stopper which concerns on this embodiment. As shown in the figure, the container 1 includes a storage part 2 for storing the storage object and a pouring formed near the upper corner of the storage part 2 for pouring the storage object stored in the storage part 2. The delivery part 3 and the opening plug 80 attached to the extraction part 3 are provided.

ここで、収容部２内に収容される前記収容物としては、例えば、薬剤や体液等の医用流体、食品、化粧液、工業用流体などが挙げられる。   Here, examples of the container accommodated in the container 2 include medical fluids such as drugs and body fluids, foods, cosmetic liquids, industrial fluids, and the like.

収容部２を有する収容体１は、収容部２に収容された収容物が排出可能に構成されたものであれば良い。具体的に、本実施形態の収容部２は、所定形状のシート状部材２Ａ，２Ｂを重ね合わせ、図１の斜線で示す周縁（側縁２ａ，２ｂ、上縁２ｃ、および、下縁２ｄ）を、例えば図示しないヒートバーによって溶着することで形成されている。なお、注出部３に開封栓８０を介在して取り付ける前の段階では、上縁２ｃの溶着は行なわれない。   The container 1 having the storage part 2 may be anything that can be discharged from the storage object stored in the storage part 2. Specifically, the accommodating portion 2 of the present embodiment is formed by overlapping sheet-shaped members 2A and 2B having a predetermined shape, and peripheral edges (side edges 2a and 2b, an upper edge 2c, and a lower edge 2d) indicated by hatching in FIG. For example, by welding with a heat bar (not shown). It should be noted that the upper edge 2c is not welded at a stage prior to attachment to the dispensing portion 3 with the opening plug 80 interposed.

本実施形態の収容部２は、底部２ｅを有する自立体として構成されるが、単にシート状部材２Ａ，２Ｂの周縁部を溶着した非自立体（二方体、三方体など）として構成されても良い。また、収容部２に関しては、溶着する部分や、袋体を構成するシート状部材の形状等については、使用用途などに応じて適宜変形することができ、図に示す構成に限定されることはない。また、収容体がボトルタイプとして構成されていても良い。   Although the accommodating part 2 of this embodiment is comprised as a self-solid body which has the bottom part 2e, it is comprised as a non-self-solid body (bilateral body, trihedral body, etc.) which welded only the peripheral part of sheet-like member 2A, 2B. Also good. Moreover, regarding the accommodating part 2, about the part to weld, the shape of the sheet-like member which comprises a bag, etc., it can change suitably according to a use application etc., and it is limited to the structure shown in a figure. Absent. Moreover, the container may be configured as a bottle type.

本実施形態における前記シート状部材２Ａ，２Ｂは、柔軟性を有する合成樹脂製のシート（プラスチックフイルム）、例えば、溶着し易いように、ポリエチレンやポリプロピレンなどによって構成されており、その表面側に、収容物に対するバリア性を高めるように、ナイロン、アルミホイルなどを積層した、いわゆる複合層で構成されている。   The sheet-like members 2A and 2B in the present embodiment are made of a flexible synthetic resin sheet (plastic film), for example, polyethylene or polypropylene so as to be easily welded. It is composed of a so-called composite layer in which nylon, aluminum foil and the like are laminated so as to enhance the barrier property against the contents.

前記注出部３に取着される開封栓８０は、例えば、ポリエチレン、ポリプロピレン等の合成樹脂によって形成されており、収容体１の収容部２内に収容された収容物を取り出すための断面が円形の流路５を有する口栓本体部１０と、口栓本体部１０の流路５の開口端を閉塞するために口栓本体部１０に着脱自在に接続される栓体部２０とを備えている。また、口栓本体部１０は、流路５を形成する断面円形の管状体１０Ａと、流路５の開口端（上端）の周囲に設けられる径方向外側にカップ状に広がる口部１０Ｂとを有する。なお、本実施形態では、管状体１０Ａと口部１０とが一体に形成されているが、別体であっても良いし、管状体は、断面が舟形形状であっても良い。   The unsealing plug 80 attached to the extraction portion 3 is made of, for example, a synthetic resin such as polyethylene or polypropylene, and has a cross section for taking out the contents accommodated in the accommodating portion 2 of the accommodating body 1. A plug body 10 having a circular flow path 5 and a plug body 20 detachably connected to the plug body 10 in order to close the opening end of the flow path 5 of the plug body 10. ing. The plug body 10 includes a tubular body 10A having a circular cross section that forms the flow path 5 and a mouth 10B that extends around the opening end (upper end) of the flow path 5 and extends in a cup shape radially outward. Have. In the present embodiment, the tubular body 10A and the mouth portion 10 are integrally formed. However, the tubular body may be separate, or the tubular body may have a boat-shaped cross section.

このような開封栓８０は、その口栓本体部１０が、収容体１の注出部３において、シート状部材２Ａ，２Ｂ間に介在された状態で、例えば図示しないヒートバーによってシート状部材２Ａ，２Ｂに溶着される。また、この場合、開封栓８０の栓体部２０と口栓本体部１０の口部１０Ｂおよび管状体１０Ａの上部とを取り囲むシート状部材２Ａ，２Ｂの領域３０（白抜き部分）は溶着されず、管状体１０Ａの上端部以外の部分だけがシート状部材２Ａ，２Ｂに溶着される（そのような注出部３における溶着部２ｆがシート状部材２Ａ，２Ｂの側縁２ｂおよび上縁２ｃに連なって図１に斜線で示される）。   Such an opening plug 80 is formed in a state where the plug main body portion 10 is interposed between the sheet-like members 2A and 2B in the extraction portion 3 of the container 1, for example, by a heat bar (not shown). Welded to 2B. In this case, the region 30 (outlined portion) of the sheet-like members 2A and 2B surrounding the plug body 20 of the opening plug 80, the mouth 10B of the plug body 10 and the upper portion of the tubular body 10A is not welded. Only the portion other than the upper end portion of the tubular body 10A is welded to the sheet-like members 2A and 2B (the weld portion 2f in such a pouring portion 3 is attached to the side edge 2b and the upper edge 2c of the sheet-like members 2A and 2B. These are shown in FIG. 1 with diagonal lines).

したがって、未溶着領域３０の近傍に設けられる切り欠き６０（図では２か所）を基点として未溶着領域３０を露出させるようにシート状部材２Ａ，２Ｂを破断すれば、未溶着領域３０内に封入されていた開封栓８０の栓体部２０と口栓本体部１０の口部１０Ｂおよび管状体１０Ａの上部とを外部に露出させることが可能となる。   Therefore, if the sheet-like members 2A and 2B are broken so as to expose the unwelded region 30 with the notches 60 (two places in the figure) provided in the vicinity of the unwelded region 30 as the base point, It becomes possible to expose the plug body part 20 of the sealed opening plug 80, the mouth part 10B of the plug body 10 and the upper part of the tubular body 10A to the outside.

図２、図４及び図５に示されるように、開封栓８０の口栓本体部１０の口部１０Ｂは、管状体１０Ａの流路５の開口端５ａの周囲に、断面非円形状の壁部１５を有している。すなわち、この壁部１５は、断面円形の流路５とは非同心的となっており、特に、本実施形態における口部１０Ｂは、その開口形状が略楕円形状を成しており、流路５の開口端５ａから一側方へ延びて流路５からの収容物の流出を案内する流出ガイド部１２を有する。この流出ガイド部１２は、流路５の開口端５ａから斜め上方に延びる案内面（底面）１３を有しており、流路５から離れるにしたがって幅が狭くなる先細り形状を成している。   As shown in FIGS. 2, 4 and 5, the mouth portion 10B of the mouthpiece main body portion 10 of the unsealing plug 80 is a wall having a non-circular cross section around the open end 5a of the flow path 5 of the tubular body 10A. Part 15. That is, the wall portion 15 is not concentric with the circular channel 5 having a circular cross section. In particular, the opening portion of the mouth portion 10B in the present embodiment has a substantially elliptical shape. 5 has an outflow guide portion 12 that extends to one side from the opening end 5a and guides the outflow of the contents from the flow path 5. The outflow guide portion 12 has a guide surface (bottom surface) 13 that extends obliquely upward from the opening end 5 a of the flow path 5, and has a tapered shape that becomes narrower as the distance from the flow path 5 increases.

また、例えば図２および図３に示されるように、開封栓８０の栓体部２０は、口栓本体部１０の流路５に着脱自在に嵌入して流路開口端５ａを閉塞する断面が円形の柱状の嵌入部２０Ａと、この嵌入部２０Ａと一体形成されるキャップ部２０Ｂと、を有する。この場合、キャップ部２０Ｂは、栓本体２０Ａの上端から径方向外側に延びるとともに、口部１０Ｂの開口形状に略対応する形状を有する天板部２９と、天板部２９の全周にわたって天板部２９の外周縁から下方に延在（垂下）する周側部（第１の引き抜きガイドとしての機能を有する）２３と、を有しており、嵌入部２０Ａが流路５に嵌入された状態で、口部１０Ｂに着脱自在に被嵌して口部１０Ｂの開口を閉塞状態で覆う。また、この閉塞状態（口部１０Ｂに被嵌された状態）では、図３に示されるように、前記周側部２３が、口部１０Ｂの壁部１５に沿って延びるようになる。   For example, as shown in FIGS. 2 and 3, the plug body portion 20 of the unsealing plug 80 has a cross section that detachably fits into the flow channel 5 of the plug body 10 and closes the flow channel opening end 5 a. It has a circular columnar insertion portion 20A and a cap portion 20B formed integrally with the insertion portion 20A. In this case, the cap portion 20 </ b> B extends radially outward from the upper end of the plug body 20 </ b> A and has a top plate portion 29 having a shape substantially corresponding to the opening shape of the mouth portion 10 </ b> B, and the top plate over the entire circumference of the top plate portion 29. A peripheral side portion (having a function as a first extraction guide) 23 that extends downward (hangs down) from the outer peripheral edge of the portion 29, and the insertion portion 20 </ b> A is inserted into the flow path 5. Thus, the mouth portion 10B is detachably fitted to cover the opening of the mouth portion 10B in a closed state. Further, in this closed state (the state fitted in the mouth portion 10B), as shown in FIG. 3, the peripheral side portion 23 extends along the wall portion 15 of the mouth portion 10B.

なお、第１の引き抜きガイドとしての周側部２３は、後述するように、流路５に嵌入された嵌入部２０Ａを回転させた際に、口部１０Ｂの壁部１５に当て突いて弾性的にねじれ変形しながら壁部１５に沿ってこれを乗り上がることができるような材料（例えば、前述したような合成樹脂）、または寸法（合成樹脂によって形成される場合には、厚さが例えば０．５ｍｍ程度）に形成されている。   Note that the peripheral side portion 23 as the first extraction guide is elastically hit against the wall portion 15 of the mouth portion 10B when the insertion portion 20A inserted in the flow path 5 is rotated, as will be described later. A material (for example, a synthetic resin as described above) or a dimension (when formed of a synthetic resin, the thickness is 0, for example) that can be ridden along the wall portion 15 while being torsionally deformed. About 5 mm).

また、図２および図３に示されるように、キャップ部２０Ｂは、嵌入部２０Ａを回転操作するための操作摘み２５を有している。この操作摘み２５は、キャップ部２０Ｂの天板部２９の上面の略中央部で、この上面から上方に略垂直に立ち上がって延びており、例えば略長方形状を有する。特に本実施形態では、操作摘み２５は、天板部２９を左右対称にほぼ二分する対称軸線に沿って延びる構成となっている。   As shown in FIGS. 2 and 3, the cap portion 20B has an operation knob 25 for rotating the fitting portion 20A. The operation knob 25 extends substantially vertically from the upper surface of the top plate portion 29 of the cap portion 20B and rises substantially vertically upward, and has, for example, a substantially rectangular shape. In particular, in the present embodiment, the operation knob 25 is configured to extend along a symmetry axis that bisects the top plate portion 29 in a bilaterally symmetrical manner.

また、この操作摘み２５には、後述するように、キャップ部２０Ｂの周側部２３が口部１０Ｂの壁部１５上を乗り上がった後、更に、嵌入部２０Ａを回転させた際、壁部１５に当て突いて壁部１５を乗り上がるようになっている第２の引き抜きガイド２０Ｃが形成されている。本実施形態において、この第２の引き抜きガイド２０Ｃは、操作摘み２５の長手方向の端部（前記対称軸線上の端部であって、天板部２９の先細り端部とは反対側の端部）で略三角形状を成して下方に（本実施形態では、嵌入部２０Ａと略平行に）延びており、栓体部２０が口栓本体部１０に対して正規の位置（栓本体２０Ａを回転させる前の初期位置）で接続された図３の状態で、口部１０Ｂおよび管状体１０Ａの外面に近接して位置されるようになっている。   Further, as will be described later, the operation knob 25 has a wall portion when the insertion portion 20A is further rotated after the peripheral side portion 23 of the cap portion 20B rides on the wall portion 15 of the mouth portion 10B. A second pullout guide 20 </ b> C is formed so as to hit the wall 15 and hit the wall 15. In the present embodiment, the second pull-out guide 20C is the end of the operation knob 25 in the longitudinal direction (the end on the axis of symmetry and the end opposite to the tapered end of the top plate 29). ) In a substantially triangular shape and extending downward (in the present embodiment, substantially parallel to the fitting portion 20A), and the plug body portion 20 is positioned at a normal position (the plug body 20A is positioned with respect to the plug body portion 10). In the state of FIG. 3 connected at the initial position before rotation), the mouth portion 10B and the outer surface of the tubular body 10A are positioned close to each other.

そして、更に本実施形態では、図３に示される口栓本体部１０と栓体部２０との正規の位置から、後述するように嵌入部２０Ａを、例えば約１６０°回転させたときに、第２の引き抜きガイド２０Ｃが口部１０Ｂの壁部１５に突き当たるように、壁部１５および第２の引き抜きガイド２０Ｃの形状、寸法等が設定されている。   Further, in the present embodiment, when the fitting portion 20A is rotated, for example, by about 160 ° from the normal position of the plug body 10 and the plug body 20 shown in FIG. The shape, size, and the like of the wall 15 and the second extraction guide 20C are set so that the two extraction guides 20C abut against the wall 15 of the mouth portion 10B.

なお、第２の引き抜きガイド２０Ｃは、口部１０Ｂの壁部１５上にわたる第２の引き抜きガイド２０Ｃの乗り上がりを案内するためのテーパ状のガイド面４０を有している（図１０参照）。また、第２の引き抜きガイド２０Ｃは、口栓本体部１０に対する栓体部２０の誤接続を防止するための指標としての機能も有している。すなわち、図２に示されるように、第２の引き抜きガイド２０Ｃを口部１０Ｂの先細り端部と反対側の端部に平行に沿わせることにより、口栓本体部１０と栓体部２０とが正規の位置で接続することを目視できるようになっている。   The second extraction guide 20C has a tapered guide surface 40 for guiding the climbing of the second extraction guide 20C over the wall portion 15 of the mouth portion 10B (see FIG. 10). Further, the second extraction guide 20 </ b> C also has a function as an index for preventing erroneous connection of the plug body 20 to the plug body 10. That is, as shown in FIG. 2, the plug main body portion 10 and the plug body portion 20 are made to be parallel to the end portion of the mouth portion 10B opposite to the tapered end portion as shown in FIG. It is possible to visually check that the connection is made at a normal position.

上記したように構成される開封栓によれば、第２の引き抜きガイド２０Ｃを指標として図２に示される正規の接続位置で栓体部２０の嵌入部２０Ａを矢印で示されるように口栓本体部１０の流路５に押し込む（嵌入する）と、図３（図１１（ｄ））に示されるように、嵌入部２０Ａによって口栓本体部１０の流路開口端５ａが閉塞されるとともに、栓体部２０のキャップ部２０Ｂが口栓本体部１０の口部１０Ｂに着脱自在に被嵌して口部１０Ｂを閉塞状態で覆う（正規の接続位置）。なお、図３では、分かり易くするため、栓体部２０が斜線で示されている。また、この閉塞状態では、キャップ部２０Ｂの第１の引き抜きガイドとしての周側部２３は、口栓本体部１０の口部１０Ｂの壁部１５に沿った状態となる。   According to the opening plug configured as described above, the plug main body as shown by the arrow at the fitting portion 20A of the plug body 20 at the normal connection position shown in FIG. 2 using the second extraction guide 20C as an index. As shown in FIG. 3 (FIG. 11 (d)), the channel opening end 5a of the plug body 10 is closed by the fitting portion 20A when pushed into (inserted into) the channel 5 of the portion 10. The cap part 20B of the plug body part 20 is detachably fitted to the mouth part 10B of the plug body part 10 to cover the mouth part 10B in a closed state (regular connection position). In FIG. 3, the plug body 20 is indicated by oblique lines for easy understanding. In this closed state, the peripheral side portion 23 as the first extraction guide of the cap portion 20 </ b> B is in a state along the wall portion 15 of the mouth portion 10 </ b> B of the plug body 10.

そして、この閉塞状態から操作摘み２５を把持して時計回り（図１１の（ａ）に矢印で示される方向）に回すと、流路５内で嵌入部２０Ａが回転し、それに伴って、流路５と非同心的に設けられる口部１０Ｂの壁部１５に対して、栓本体２０Ａのキャップ部２０Ｂの周側部（第１の引き抜きガイド）２３が当て突きながら弾性変形を始める。その状態から嵌入部２０Ａを流路５内で更に回転させると、口部１０Ｂの壁部１５に当て突く周側部２３の部位Ｘ（図７，８，１１参照）は、その当て突いている壁部１５の部位がせり上がり抵抗部となって弾性的にねじれ変形しながら壁部１５に沿ってこれを乗り上がるようになる（キャップ部２０Ｂの周側部２３が口部１０Ｂの壁部１５を乗り上がった状態が図１２に乗り上げ部Ｐとして示されている）。   When the operation knob 25 is gripped from this closed state and rotated clockwise (in the direction indicated by the arrow in FIG. 11A), the fitting portion 20A rotates in the flow path 5, and accordingly, the flow is reduced. The peripheral side portion (first extraction guide) 23 of the cap portion 20B of the plug main body 20A starts to elastically deform against the wall portion 15 of the mouth portion 10B provided non-concentrically with the path 5. When the insertion portion 20A is further rotated in the flow path 5 from this state, the portion X (see FIGS. 7, 8, and 11) of the peripheral side portion 23 that strikes against the wall portion 15 of the mouth portion 10B strikes the abutment. The portion of the wall portion 15 rises and becomes a resistance portion, and rides on the wall portion 15 while elastically twisting and deforming (the peripheral side portion 23 of the cap portion 20B is the wall portion 15 of the mouth portion 10B). Is shown as a ride-up portion P) in FIG.

そして、この乗り上がり作用により、嵌入部２０Ａは、流路５から引き抜かれる方向に移動する。これに関連して、図１１（ｂ）には、図１１（ａ）に示される正規の接続位置（図３の位置）から栓体部２０を口栓本体部１０に対して９０°回転させた状態の栓体部２０の平面図が示されており、また、図１１（ｄ）には、図１１（ａ）の接続位置に対応する開封栓８０の概略側面図が示されている。この場合、図１１（ｄ）では、栓体部２０の栓本体２０Ａが斜線で示されており、図１１（ａ）の位置に対応する嵌入部２０Ａの下端位置がＡで示され、図１１（ｂ）の位置に対応する嵌入部２０Ａの下端位置がＢで示され、これらの位置Ａ，Ｂ間での嵌入部２０Ａの下端位置の移動量（例えば、周側部２３の高さ分に相当する）が交差斜線で示されている。   Then, due to this climbing action, the insertion portion 20 </ b> A moves in the direction of being pulled out from the flow path 5. In this regard, FIG. 11 (b) shows that the plug body 20 is rotated 90 ° with respect to the plug body 10 from the normal connection position (position of FIG. 3) shown in FIG. 11 (a). FIG. 11D shows a schematic side view of the unsealing plug 80 corresponding to the connection position in FIG. 11A. In this case, in FIG. 11 (d), the plug body 20A of the plug body 20 is indicated by oblique lines, and the lower end position of the insertion portion 20A corresponding to the position of FIG. 11 (a) is indicated by A. FIG. The lower end position of the insertion portion 20A corresponding to the position of (b) is indicated by B, and the amount of movement of the lower end position of the insertion portion 20A between these positions A and B (for example, the height of the circumferential side portion 23) (Corresponding) is indicated by cross diagonal lines.

また、栓体部２０を、口栓本体部１０に対して更に回転し続けていくと、図１１（ａ）に示される正規の接続位置から約１６０°回転させた時点で、キャップ部２０Ｂ（操作摘み２５）の第２の引き抜きガイド２０Ｃが口部１０Ｂの壁部１５に当て突くようになる。そして、その状態から栓体部２０を口栓本体部１０に対して更に回転させる（流路５内で嵌入部２０Ａを回転させる）と、第２の引き抜きガイド２０Ｃは、そのガイド面４０を案内として、（ガイド面４０が当て突いている壁部１５の部位がせり上がり抵抗部となって）壁部１５を乗り上り（第２の引き抜きガイド２０Ｃが口部１０Ｂの壁部１５を乗り上がった状態が図１３に乗り上げ部Ｐ１として示されている）、それにより、嵌入部２０Ａを流路５から引き抜く方向に更に移動させる。   Further, when the plug body 20 is further rotated with respect to the plug body 10, when the plug body 20 is rotated about 160 ° from the normal connection position shown in FIG. The second extraction guide 20C of the operation knob 25) comes into contact with the wall portion 15 of the mouth portion 10B. Then, when the plug body portion 20 is further rotated with respect to the plug body portion 10 from this state (the insertion portion 20A is rotated in the flow path 5), the second extraction guide 20C guides the guide surface 40. (The portion of the wall portion 15 against which the guide surface 40 abuts becomes a resistance portion) and climbs over the wall portion 15 (the second pull-out guide 20C rides over the wall portion 15 of the mouth portion 10B). The state is shown as the riding-up portion P1 in FIG. 13), thereby further moving the insertion portion 20 </ b> A in the direction of pulling out from the flow path 5.

栓体部２０を正規の接続位置（図１１（ａ）の位置）から口栓本体部１０に対して１８０°回転させた状態が図１１（ｃ）および図１１（ｅ）に示されている。図１１（ｅ）では、図１１（ａ）の位置に対応する嵌入部２０Ａの下端位置がＡで示され、図１１（ｂ）の位置に対応する嵌入部２０Ａの下端位置がＢで示され、図１１（ｃ）の位置に対応する嵌入部２０Ａの下端位置がＣで示されている）。また、位置Ｂ，Ｃ間での嵌入部２０Ａの下端位置の移動量は、例えば、第２の引き抜きガイド２０Ｃの高さ分にほぼ相当する。   FIGS. 11 (c) and 11 (e) show a state in which the plug body 20 is rotated by 180 ° from the normal connection position (position of FIG. 11 (a)) with respect to the plug body 10. . In FIG.11 (e), the lower end position of insertion part 20A corresponding to the position of Fig.11 (a) is shown by A, and the lower end position of insertion part 20A corresponding to the position of FIG.11 (b) is shown by B. The lower end position of the insertion portion 20A corresponding to the position of FIG. 11C is indicated by C). Further, the amount of movement of the lower end position of the insertion portion 20A between the positions B and C substantially corresponds to the height of the second extraction guide 20C, for example.

このように、本実施形態では、栓体部２０を口栓本体部１０に対して１８０°回転させると、嵌入部２０Ａの下端位置がＣの位置に達し、例えば、栓体部２０が、口栓本体部１０に完全に接続された状態で流路５内に位置する栓本体２０Ａの長さの約２／３が流路５から引き抜かれるようになる。この状態では、栓体部２０を垂直に引き上げるだけで、嵌入部２０Ａを流路５から容易に引き抜くことができるようになる。   Thus, in this embodiment, when the plug part 20 is rotated 180 ° with respect to the plug main body part 10, the lower end position of the fitting part 20A reaches the position C. For example, the plug part 20 is About 2/3 of the length of the plug main body 20 </ b> A located in the flow path 5 in a state of being completely connected to the plug main body 10 is pulled out from the flow path 5. In this state, the insertion portion 20A can be easily pulled out from the flow path 5 simply by pulling up the plug portion 20 vertically.

以上説明したように、本実施形態によれば、口部１０Ｂの壁部１５を乗り上がる第１の引き抜きガイドとしての周側部２３の乗り上がり作用により、流路５からの嵌入部２０Ａの引き抜き動作が案内されて補助されるため、栓体部２０を小さな力で容易に口栓本体部１０から抜き取ることができる。   As described above, according to the present embodiment, the insertion portion 20A is extracted from the flow path 5 by the action of the peripheral side portion 23 as the first extraction guide that rides on the wall portion 15 of the mouth portion 10B. Since the operation is guided and assisted, the plug body 20 can be easily extracted from the plug body 10 with a small force.

また、本実施形態では、キャップ部２０Ｂの周側部２３が口部１０Ｂの壁部１５上を乗り上がった後、更に、嵌入部２０Ａの回転に伴って、壁部１５に当て突いてこれを乗り上がることにより嵌入部２０Ａを流路５から引き抜く方向に更に移動させる第２の引き抜きガイド２０Ｃが設けられているため、周側部２３による引き抜き作用が働かなくなった後に第２の引き抜きガイド２０Ｃがこれを引き継いで更なる引き抜き動作を進行させることができる。すなわち、流路５からの嵌入部２０Ａの引き抜き動作をより簡単に行うことが可能になる。   Further, in the present embodiment, after the peripheral side portion 23 of the cap portion 20B rides on the wall portion 15 of the mouth portion 10B, it further strikes against the wall portion 15 as the fitting portion 20A rotates. Since the second extraction guide 20C that further moves the insertion portion 20A in the direction of extraction from the flow path 5 by climbing up is provided, the second extraction guide 20C is moved after the extraction action by the peripheral side portion 23 does not work. This can be taken over and a further pulling operation can proceed. That is, it becomes possible to more easily perform the pulling-out operation of the fitting portion 20A from the flow path 5.

また、本実施形態において、第２の引き抜きガイド２０Ｃは、口部１０Ｂの壁部１５上にわたる第２の引き抜きガイド２０Ｃの乗り上がりを案内するためのテーパ状のガイド面４０を有しているため、壁部１５に対する第２の引き抜きガイド２０Ｃの乗り上がり動作がスムーズになり、嵌入部２０Ａの引き抜き動作が容易に行えるようになる。また、本実施形態において、前記第２の引き抜きガイド２０Ｃは、口栓本体部１０に対する栓体部２０の誤接続を防止するための指標としての機能も有するため、特に、口部１０Ｂ、およびキャップ部２０Ｂの形状が本実施形態のように円形でない非対称な形状を成す場合に、口栓本体部１０に対する栓体部２０の接続方向を第２の引き抜きガイド２０Ｃによって視認することができ、これらの間の誤接続を確実に防止できる。   Further, in the present embodiment, the second extraction guide 20C has a tapered guide surface 40 for guiding the climbing of the second extraction guide 20C over the wall portion 15 of the mouth portion 10B. As a result, the climbing operation of the second pull-out guide 20C with respect to the wall portion 15 becomes smooth, and the pull-out operation of the fitting portion 20A can be easily performed. In the present embodiment, the second pull-out guide 20C also has a function as an index for preventing the plug body 20 from being erroneously connected to the plug body 10, and in particular, the mouth 10B and the cap. When the shape of the portion 20B is an asymmetric shape that is not circular as in this embodiment, the connection direction of the plug body portion 20 with respect to the plug body portion 10 can be visually recognized by the second extraction guide 20C. It is possible to reliably prevent misconnection between the two.

また、本実施形態において、口栓本体部１０の口部１０Ｂは、流路５からの収容物の流出を案内する流出ガイド部１２を有し、また、流出ガイド部１２が先細り形状を成しているため、流路５からの収容物の流出方向を規定して液垂れを生じさせることなく収容物のスムーズな注出を行なうことが可能となる。   Further, in the present embodiment, the mouth portion 10B of the plug body portion 10 has an outflow guide portion 12 that guides the outflow of the contents from the flow path 5, and the outflow guide portion 12 has a tapered shape. Therefore, it is possible to smoothly dispense the contained material without regulating the outflow direction of the contained material from the flow path 5 and causing liquid dripping.

以上、本発明の実施形態について説明したが、本発明は、上述した実施形態に限定されず、種々変形して実施することが可能である。例えば、上記した実施形態では、第１の引き抜きガイドとしての周側部２３が、口部１０Ｂの壁部１５全周にわたって形成されているが、周側部２３は、前述した引き抜き作用を実現できさえすれば、キャップ部２０Ｂの周囲に部分的に設けられても良い。また、第１の引き抜きガイドや第２の引き抜きガイドは、キャップ部２０Ｂを回転した際、キャップ部（嵌入部）を持ち上げるような作用を発揮できれば良く、その形状や口部１０Ｂの壁部に対する係合状態など、適宜、変形することが可能である。   As mentioned above, although embodiment of this invention was described, this invention is not limited to embodiment mentioned above, It can be implemented in various deformation | transformation. For example, in the above-described embodiment, the peripheral side portion 23 as the first extraction guide is formed over the entire circumference of the wall portion 15 of the mouth portion 10B, but the peripheral side portion 23 can realize the above-described extraction action. As long as it is sufficient, it may be partially provided around the cap portion 20B. Further, the first extraction guide and the second extraction guide are only required to exhibit an action of lifting the cap portion (insertion portion) when the cap portion 20B is rotated, and the shape and the relationship with respect to the wall portion of the mouth portion 10B are sufficient. It is possible to appropriately modify the combined state.

また、嵌入部２０Ａの回転量と流路５からの嵌入部２０Ａの引く抜き移動量との間の関係は、前述した実施形態に限定されず、嵌入部２０Ａや流路５の直径寸法、および、キャップ部２０Ｂおよび口部１０Ｂの形状等を任意に設定することにより、前記関係を任意に設定できる。また、第１および第２の引き抜きガイドは、口部１０Ｂ上に完全に乗り上がっても良いし、部分的に乗り上がっても構わない。   Further, the relationship between the rotation amount of the insertion portion 20A and the pulling movement amount of the insertion portion 20A from the flow path 5 is not limited to the above-described embodiment, and the diameter dimensions of the insertion portion 20A and the flow path 5 and The relationship can be arbitrarily set by arbitrarily setting the shapes of the cap portion 20B and the mouth portion 10B. In addition, the first and second pull-out guides may ride completely on the mouth portion 10B or may partially ride.

さらに、口栓本体部１０について、前述したように単なる流路５を備えるだけのものであっても良いが、様々な形態の再封止機構を有するものであっても良い。また、前述した実施形態では、引き抜きガイドの引き抜き作用によって嵌入部２０Ａが流路５から部分的にしか引き抜かれないが、引き抜きガイドの引き抜き作用によって嵌入部２０Ａが流路５から完全に引き抜かれても良い。   Further, the plug body 10 may be provided with the simple flow path 5 as described above, but may have various forms of resealing mechanisms. In the above-described embodiment, the insertion portion 20A is pulled out only partially from the flow path 5 by the pulling-out action of the pull-out guide, but the insertion section 20A is completely pulled out from the flow path 5 by the pull-out action of the pull-out guide. Also good.

１ 収容体
２ 収容部
３ 注出部
５ 流路
５ａ 開口端
１０ 口栓本体部
１０Ｂ 口部
１２ 流出ガイド部
１５ 壁部
２０ 栓体部
２０Ａ 嵌入部
２０Ｂ キャップ部
２０Ｃ 第２の引き抜きガイド
２３ 周側部（第１の引き抜きガイド）
４０ ガイド面
８０ 開封栓 DESCRIPTION OF SYMBOLS 1 Container 2 Storage part 3 Extraction part 5 Flow path 5a Opening end 10 Plug body part 10B Port part 12 Outflow guide part 15 Wall part 20 Plug part 20A Insertion part 20B Cap part 20C Second extraction guide 23 Part (first extraction guide)
40 Guide surface 80 Opening stopper

Claims (6)

収容物を収容する収容体に取着される開封栓であって、
前記収容体内に収容された収容物を取り出すための断面が円形の流路を有する口栓本体部と、
前記口栓本体部の前記流路の開口端を閉塞するために前記口栓本体部に着脱自在に接続される栓体部と、
を備え、
前記口栓本体部は、その流路の開口端の周囲に、断面非円形状の壁部を具備した口部を有し、
前記栓体部は、前記口栓本体部の前記流路に着脱自在に嵌入して流路の開口端を閉塞する断面が円形の嵌入部と、前記嵌入部が前記流路に嵌入した状態で、前記口部に被嵌して前記口部を覆うキャップ部と、を有し、
前記キャップ部は、前記口部に被嵌した状態で前記口部の壁部に沿って延び、前記流路に嵌入した前記嵌入部の回転時に、前記口部の壁部に当て突いて弾性的にねじれ変形しながら壁部を乗り上がって、前記嵌入部を前記流路から引き抜く方向に移動させる第１の引き抜きガイドを有し、
前記キャップ部は、前記嵌入部を回転操作するための操作摘みを有し、
この操作摘みには、前記第１の引き抜きガイドが前記口部の壁部を乗り上がった後、更に嵌入部を回転した際、前記壁部に当て突いて前記嵌入部を前記流路から引き抜く方向に更に移動させる第２の引き抜きガイドが設けられていることを特徴とすることを特徴とする開封栓。 An opening stopper attached to a container for containing the contents,
A plug body having a circular channel with a circular cross-section for taking out the contents stored in the container,
A plug part detachably connected to the plug body part to close the open end of the flow path of the plug body part;
With
The plug main body has a mouth provided with a non-circular cross-sectional wall around the open end of the flow path,
The plug body is detachably fitted into the flow passage of the plug body, and has a circular cross-section to close the open end of the flow passage, and the fitting portion is fitted into the flow passage. And a cap portion that covers the mouth portion and covers the mouth portion,
The cap portion extends along the wall portion of the mouth portion in a state of being fitted to the mouth portion, and hits against the wall portion of the mouth portion when the fitting portion fitted in the flow path rotates. and riding the wall portion while elastically torsional deformation, have a first withdrawal guide is moved in a direction withdrawing the insert portion from the flow channel,
The cap portion has an operation knob for rotating the insertion portion,
In this operation knob, after the first pull-out guide rides on the wall portion of the mouth portion, when the insertion portion is further rotated, the direction of pulling out the insertion portion from the flow path by striking against the wall portion And a second pull-out guide for further movement is provided . 前記第２の引き抜きガイドは、前記嵌入部が回転した際、前記口部の壁部への乗り上がりを案内するテーパ状のガイド面を有することを特徴とする請求項１に記載の開封栓。 2. The opening stopper according to claim 1, wherein the second pull-out guide has a tapered guide surface that guides the climbing of the mouth portion to the wall portion when the fitting portion rotates . 前記第２の引き抜きガイドは、前記口栓本体部に対する前記嵌入部の誤接続を防止するための指標として設けられることを特徴とする請求項１または請求項２に記載の開封栓。 3. The opening plug according to claim 1, wherein the second pull-out guide is provided as an index for preventing an erroneous connection of the fitting portion with respect to the plug main body portion . 前記口栓本体部の前記口部は、前記流路からの収容物の流出を案内する流出ガイド部を有することを特徴とする請求項１ないし請求項３のいずれか１項に記載の開封栓。 The opening plug according to any one of claims 1 to 3, wherein the mouth portion of the mouthpiece main body portion has an outflow guide portion that guides the outflow of the contents from the flow path. . 前記流出ガイド部が先細り形状を成すことを特徴とする請求項４に記載の開封栓。 The opening stopper according to claim 4 , wherein the outflow guide portion has a tapered shape . 請求項１から５のいずれか１項に記載の開封栓が取着され、収容物を収容するための収容部を有することを特徴とする収容体。6. A container having a container for accommodating the contents to which the opening plug according to claim 1 is attached.
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JPH03108653U (en) * 1990-02-22 1991-11-08
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