JP5293848B2 - Beverage container closure - Google Patents

Beverage container closure Download PDF

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Publication number
JP5293848B2
JP5293848B2 JP2012015966A JP2012015966A JP5293848B2 JP 5293848 B2 JP5293848 B2 JP 5293848B2 JP 2012015966 A JP2012015966 A JP 2012015966A JP 2012015966 A JP2012015966 A JP 2012015966A JP 5293848 B2 JP5293848 B2 JP 5293848B2
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Prior art keywords
beverage container
lid
locking
valve
vent
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JP2013154900A (en
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克明 舘
真 松山
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Thermos KK
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Thermos KK
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Priority to JP2012015966A priority Critical patent/JP5293848B2/en
Priority to CN201310030346.1A priority patent/CN103224087B/en
Priority to KR1020130008726A priority patent/KR101399767B1/en
Priority to TW102102806A priority patent/TWI483701B/en
Publication of JP2013154900A publication Critical patent/JP2013154900A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0857—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures made separately from the base element provided with the spout or discharge passage
    • B65D47/0876—Hinges without elastic bias
    • B65D47/088—Hinges without elastic bias located at an edge of the base element
    • B65D47/0885—Hinges without elastic bias located at an edge of the base element one part of the hinge being integral with the hinged closure and the other part with the base element, without any other additional hinge element
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J41/00—Thermally-insulated vessels, e.g. flasks, jugs, jars
    • A47J41/02—Vacuum-jacket vessels, e.g. vacuum bottles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/02—Loosely-engaging lids or covers for jars, cans, or like containers for liquids without means for effecting sealing of container
    • B65D51/04—Loosely-engaging lids or covers for jars, cans, or like containers for liquids without means for effecting sealing of container hinged
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
    • B65D81/3865—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation drinking cups or like containers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Thermally Insulated Containers For Foods (AREA)

Description

本発明は、栓体の注ぎ口又は飲み口を覆う蓋体が栓体本体にヒンジにより軸支され、閉状態の蓋体をワンタッチで開状態とする飲料用容器の栓体に関する。   The present invention relates to a stopper for a beverage container in which a lid that covers a spout or a spout of a stopper is pivotally supported by a hinge on a stopper body and the closed lid is opened with one touch.

従来、ハンドルを片手で持ち上げ、蓋から伸びたレバーを押しながら、飲料用容器本体を傾けて内容液を吐出させる飲料用容器が知られているが、こうした構造の飲料用容器は、内容液が温飲料の場合に、容器内の圧力が上昇するため止水弁体が開かずに内容液が吐出できない等といった問題が生じていた。これを解消すべく、吐出操作時は、止水弁体が開動作する前に通気弁体を強制的に開操作することで減圧を図り、飲料用容器内に熱湯や温飲料を入れても、飲料用容器内の内容液を良好に注ぐことができるとしたものが知られている（例えば特許文献１）。   Conventionally, a beverage container that lifts the handle with one hand and pushes the lever extending from the lid while tilting the beverage container body to discharge the content liquid is known. In the case of a hot beverage, the pressure in the container rises, causing a problem that the content liquid cannot be discharged without opening the water stop valve. In order to solve this problem, during the discharge operation, the vent valve body can be forcibly opened before the water stop valve opens to reduce the pressure, and hot water or hot beverage can be put into the beverage container. In addition, it is known that the content liquid in the beverage container can be poured well (for example, Patent Document 1).

また、栓体における蓋体を係止部材で係止できると共に、ヒンジ軸に介装したリング状弾性部材により開蓋できるものも知られている（例えば特許文献２）。   In addition, there is also known a lid that can be locked by a locking member and can be opened by a ring-shaped elastic member interposed on a hinge shaft (for example, Patent Document 2).

また、係止解除ボタンを押し込み離す際に、栓体における蓋体の回動動作を一時停止させることで、蓋に付着した飲料を飛散りにくくした、飲料容器の栓体も知られている。（例えば特許文献３）。   In addition, there is also known a beverage container stopper that makes it difficult for the beverage attached to the lid to scatter by temporarily stopping the pivoting operation of the lid in the stopper when the lock release button is pushed and released. (For example, patent document 3).

さらに、係止解除ボタンを押した際に減圧状態で蓋が開かない場合に、蓋前部の突起部に指をかけ、蓋を開きやすくした、飲料容器の栓体も知られている。（例えば特許文献４）   In addition, there is also known a beverage container stopper in which, when the lock release button is pressed, when the lid does not open in a reduced pressure state, the lid is easily opened by placing a finger on the protrusion on the front portion of the lid. (For example, Patent Document 4)

特開２００４−３１５００９号公報JP 2004-315209 A 特許第４７３６１３３号公報Japanese Patent No. 4736133 特開２０１０−１２６１６３号公報JP 2010-126163 A 特願２０１１−２１８１４８号公報Japanese Patent Application No. 2011-218148

しかしながら、特許文献１のような例では、内容液を外部へ吐出させる吐出操作時に、レバーを押し続けなければ内容液を外部へ吐出することが出来ないため、使用者が力の弱い子供や高齢者などの場合には、当該吐出操作をすること自体が難しいという問題がある。また、洗浄の際には、栓体・止水弁体・蓋などの構成部品ごとに分解する必要があることから、手間が掛かり、この分解作業を怠ると不衛生となる虞がある。この他、通気弁体を付勢するバネが長期間の使用により、金属疲労等による弾性の劣化が生じて機能不全となった場合など、開栓状態・閉栓状態が視覚的に判断し難くなるという問題もある。   However, in the example as disclosed in Patent Document 1, the content liquid cannot be discharged to the outside unless the lever is kept pressed during the discharge operation for discharging the content liquid to the outside. In the case of a person or the like, there is a problem that it is difficult to perform the discharge operation itself. Moreover, since it is necessary to disassemble each component such as a stopper, a water stop valve, and a lid at the time of cleaning, it takes time, and if this disassembly work is neglected, there is a possibility that it becomes unsanitary. In addition, it is difficult to visually determine the open / closed state, such as when the spring that biases the vent valve body has malfunctioned due to deterioration of elasticity due to metal fatigue, etc. due to long-term use. There is also a problem.

また、特許文献３のような例では、蓋が大きく開くため内容液流路の洗浄性もよく、容器内が加圧状態でも、開栓時蓋の開栓を一時停止させるため、蓋が勢いよく開くことも防止できるが、減圧状態では蓋が一動作では開かない。   Moreover, in an example like patent document 3, since a lid | cover opens large, the washing | cleaning property of a content liquid flow path is also good, and even if the inside of a container is a pressurized state, in order to temporarily stop the opening of a lid | cover at the time of opening, a lid | cover vigorously Although it can be prevented from opening well, the lid does not open in one operation in a reduced pressure state.

さらに、特許文献４のような例では、減圧時の蓋開栓において、蓋を開栓しやすいよう蓋の前面に突起を設け指をかけやすくしているが、係止解除ボタンを押して指をかけて蓋を開くという二動作になり、操作が複雑になる。   Furthermore, in an example such as Patent Document 4, when opening the lid at the time of decompression, a projection is provided on the front surface of the lid so that the lid can be easily opened. The operation is complicated by the two operations of opening the lid.

そこで、本発明が解決しようとする課題は、使用者に係わらず一動作により開蓋・閉蓋操作を確実に行えるようにした飲料用容器の栓体を提供することである。   Accordingly, the problem to be solved by the present invention is to provide a beverage container stopper that can reliably perform opening and closing operations by one operation regardless of the user.

請求項１の発明の飲料用容器の栓体は、飲料用容器本体の上部開口部に着脱自在に取り付けられる栓体本体と、前記栓体本体の内部に形成された液流路と、前記液流路の上部かつ前記栓体本体の前側に設けた注ぎ口又は飲み口と、前記栓体本体の後側でヒンジ軸を介して回動自在に軸支され前記液流路を開閉する蓋体と、前記蓋体に設けられ前記液流路を上方から液密にする止水部材と、前記蓋体を閉状態に係止すると共に係止方向に付勢される係止部材と、前記係止部材を係止解除して開状態とすると共に上側方向に付勢される係止解除部材とを備え、前記係止解除部材を下側方向に押圧することで前記係止部材が係止解除され、前記蓋体が開く飲料用容器の栓体であって、前記栓体本体には、前記飲料用容器本体内の内容液を排出する液通孔と、前記容器本体内の空気を排気する通気孔と、前記通気孔に設けられる通気弁とを備え、前記係止解除部材を下側方向に押圧することにより、前記係止部材の係止解除がなされる前に前記通気弁が開弁され、前記飲料用容器本体の内圧を前記通気孔を通して大気圧へ開放することを特徴とする。   According to a first aspect of the present invention, there is provided a stopper for a beverage container, wherein the stopper body is detachably attached to an upper opening of the beverage container body, a liquid channel formed inside the stopper body, and the liquid A spout or drinking port provided above the flow path and on the front side of the plug body, and a lid body pivotally supported via a hinge shaft on the rear side of the plug body to open and close the liquid flow path A water-stopping member provided on the lid for liquid-tightening the liquid flow path from above, a locking member for locking the lid in a closed state and being biased in a locking direction, and the engagement The locking member is unlocked to be in an open state, and is provided with an unlocking member that is biased upward, and the locking member is unlocked by pressing the locking releasing member downward. And a lid for a beverage container that opens the lid, wherein the lid body is a liquid that discharges the content liquid in the beverage container body. A hole, a vent hole for exhausting air in the container body, and a vent valve provided in the vent hole, and pressing the locking release member in the downward direction to lock the locking member Before the release, the vent valve is opened, and the internal pressure of the beverage container body is released to the atmospheric pressure through the vent hole.

請求項２の発明の飲料用容器の栓体は、請求項１において、前記係止解除部材は、前記止水部材を介して前記通気弁を押圧することを特徴とする。   The stopper of the beverage container according to the invention of claim 2 is characterized in that, in claim 1, the locking release member presses the ventilation valve via the water stop member.

請求項３の発明の飲料用容器の栓体は、請求項１又は２において、前記通気弁が、前記飲料用容器本体内の減圧時に弾性変形することを特徴とする。   A beverage container plug according to a third aspect of the present invention is characterized in that, in the first or second aspect, the vent valve is elastically deformed when the beverage container body is decompressed.

請求項４の発明の飲料用容器の栓体は、請求項１〜３において、前記係止解除部材が、前記通気弁の一部を押圧することで、前記飲料用容器本体の内圧を前記通気孔を通して大気圧へ開放することを特徴とする。   According to a fourth aspect of the present invention, there is provided a beverage container plug according to any one of the first to third aspects, wherein the locking release member presses a part of the vent valve to pass the internal pressure of the beverage container body. It is characterized by opening to atmospheric pressure through pores.

請求項５の発明の飲料容器の栓体は、請求項１〜４において、前記通気弁に複数の止水部を設けたことを特徴とする。   According to a fifth aspect of the present invention, there is provided the beverage container plug according to any one of the first to fourth aspects, wherein the vent valve is provided with a plurality of water stop portions.

請求項６の発明の飲料用容器の栓体は、請求項１〜５において、前記係止部材が、前記蓋体のヒンジ軸付近に付設されたリング状弾性部材の弾性力により係止方向に付勢されていることを特徴とする。   A stopper for a beverage container according to a sixth aspect of the present invention is the plug according to any one of the first to fifth aspects, wherein the locking member is moved in the locking direction by the elastic force of a ring-shaped elastic member provided near the hinge shaft of the lid. It is characterized by being energized.

請求項１の発明によれば、係止解除部材を押圧するだけで開蓋・閉蓋操作ができるため、使用者に係わらず極めて簡便であり、蓋体を開く時に、係止解除部材を押圧していくと、蓋体が係止部材により栓体本体に係止されている状態のまま、内圧を開放することができる。   According to the first aspect of the present invention, the lid opening / closing operation can be performed simply by pressing the locking release member, so that it is extremely simple regardless of the user, and the locking release member is pressed when the lid is opened. As a result, the internal pressure can be released while the lid is locked to the plug body by the locking member.

請求項２の発明によれば、圧開放時などに蓋内側に内溶液の水滴などが入り込む心配もなく、清潔に保つことが出来る。   According to the second aspect of the present invention, it is possible to maintain cleanliness without worrying that water droplets of the inner solution enter the lid when the pressure is released.

請求項３の発明によれば、通気弁の止水部を逆止弁にすることで、減圧時に自動的に減圧状態を解除することができる。   According to the invention of claim 3, by making the water stop portion of the vent valve a check valve, the reduced pressure state can be automatically released during the pressure reduction.

請求項４の発明によれば、係止解除部材により通気弁を変形させ、内圧を開放することができる。また、減圧時には弁変形により自動的に減圧状態を解除することができる。   According to the invention of claim 4, the vent valve can be deformed by the locking release member to release the internal pressure. Further, at the time of depressurization, the depressurized state can be automatically released by the valve deformation.

請求項５の発明によれば、通気弁に複数の止水部を設けることで、より止水性を向上することができる。   According to the invention of claim 5, the water stoppage can be further improved by providing a plurality of water stop portions on the vent valve.

請求項６の発明によれば、蓋体の開方向への付勢および係止部材の係止方向への付勢を弾性部材のみで行うことができるので、部品点数を少なくし、小スペース化およびコストダウン効果が得られる。   According to the invention of claim 6, since the biasing in the opening direction of the lid and the biasing in the locking direction of the locking member can be performed only by the elastic member, the number of parts is reduced and the space is reduced. In addition, a cost reduction effect can be obtained.

本発明の実施例１を示す閉蓋状態の断面図である。It is sectional drawing of the closed state which shows Example 1 of this invention. 本発明の実施例１を示す通気弁の拡大断面図である。It is an expanded sectional view of the ventilation valve which shows Example 1 of the present invention. 本発明の実施例１を示す係止解除ボタン押圧時で係止解除前の断面図である。It is sectional drawing before the latch release at the time of the latch release button which shows Example 1 of this invention. 本発明の実施例１を示す係止解除状態の断面図である。It is sectional drawing of the latching release state which shows Example 1 of this invention. 本発明の実施例１を示す開蓋状態の断面図である。It is sectional drawing of the open state which shows Example 1 of this invention. 本発明の実施例１を示す開蓋状態の底面側の斜視図である。It is a perspective view of the bottom face side of the open state which shows Example 1 of this invention. 本発明の実施例１を示す開蓋状態の平面側の斜視図である。It is a perspective view of the plane side of the open state which shows Example 1 of this invention. 本発明の実施例１を示す閉蓋状態の正面側の斜視図である。It is a perspective view of the front side of the closed state which shows Example 1 of this invention. 本発明の実施例２を示す閉蓋状態の断面図である。It is sectional drawing of the closed state which shows Example 2 of this invention. 本発明の実施例３を示す閉蓋状態の断面図である。It is sectional drawing of the closed state which shows Example 3 of this invention. 本発明の実施例３を示す係止解除ボタン押圧時で係止解除前の断面図である。It is sectional drawing before the latch release at the time of the latch release button which shows Example 3 of this invention. 本発明の実施例４を示す閉蓋状態の断面図である。It is sectional drawing of the closed state which shows Example 4 of this invention. 本発明の実施例４を示す係止解除ボタン押圧時で係止解除前の断面図である。It is sectional drawing before the latch release at the time of the latch release button which shows Example 4 of this invention. 本発明の実施例４を示す開蓋状態の平面側の斜視図である。It is a perspective view of the plane side of the open state which shows Example 4 of this invention. 本発明の実施例５を示す閉蓋状態の一部を拡大した断面図である。It is sectional drawing which expanded a part of closed state which shows Example 5 of this invention. 本発明の実施例６を示す断面図である。It is sectional drawing which shows Example 6 of this invention.

本発明における好適な実施の形態について、添付図面を参照して説明する。尚、以下に説明する実施の形態は、特許請求の範囲に記載された本発明の内容を限定するものではない。また、以下に説明される構成の全てが、本発明の必須要件であるとは限らない。   Preferred embodiments of the present invention will be described with reference to the accompanying drawings. The embodiments described below do not limit the contents of the present invention described in the claims. In addition, all of the configurations described below are not necessarily essential requirements of the present invention.

以下、実施例１を図１〜８に基づいて説明する。魔法瓶等の飲料用容器１は、断熱構造の金属製容器本体２と、該容器本体２の開口部３に着脱自在に装着される栓体４により構成される。容器本体２は、内容器５と外容器６の上端同士を一体に接合することにより、両容器間を真空断熱構造とするものである。   Hereinafter, Example 1 is demonstrated based on FIGS. A beverage container 1 such as a thermos bottle is composed of a metal container body 2 having a heat insulating structure and a plug body 4 that is detachably attached to an opening 3 of the container body 2. The container body 2 has a vacuum heat insulating structure between the two containers by integrally joining the upper ends of the inner container 5 and the outer container 6 together.

栓体４は、円筒状に形成される栓体本体７と、栓体本体７の後側に設けられるヒンジ部８を介して回動自在に軸支される蓋体９と、この蓋体９を栓体本体７に後述する係止部を介して係止して閉状態とする前後方向に摺動するスライド部材である係止部材10と、係止状態の蓋体９を係止解除する係止解除部材である係止解除ボタン11とで構成されている。   The plug 4 includes a plug body 7 formed in a cylindrical shape, a lid 9 pivotally supported via a hinge portion 8 provided on the rear side of the plug body 7, and the lid 9 The locking member 10, which is a sliding member that slides in the front-rear direction to lock the plug body 7 through a locking portion described later, and the lid body 9 in the locked state is unlocked. The lock release button 11 is a lock release member.

前記栓体本体７は有底筒状から成り、栓体本体７の上部一側、ここでは後側には、ヒンジ部８を回動軸として上下方向にヒンジ回動可能とする前記蓋体９が取り付けられている。これにより、栓体４は、上部他側、ここでは前側が注ぎ口12又は飲み口として設けられる。   The plug body 7 has a bottomed cylindrical shape, and the lid body 9 is configured to be pivotable in the vertical direction about the hinge portion 8 as a pivot on one side of the top of the plug body 7, here the rear side. Is attached. Thereby, as for the plug body 4, the upper other side, here the front side is provided as the spout 12 or the drinking mouth.

また、栓体本体７は、ヒンジ部８側から注ぎ口12側へかけて低くなるように傾斜させて底部13を形成する。そして、底部13から接続される周壁14が立ち上がり、上部一側の周壁14よりも上部他側の周壁14が高くなるようにして前記注ぎ口12を形成する。また、底部13の低い方に、飲料用容器１の容器本体２内の内容液（図示せず）を栓体本体７内へと通す液通孔15を上下方向に形成し、底部13の高い方に、容器本体２内または栓体４内の空気路Ａを通す通気孔16を上下方向に形成し、前記液通孔15から栓体本体７内へ流入される内容液が断面波状の周壁14を通り注ぎ口12に向かう液流路17を栓体本体７の前側内部に設けている。底部13は、液通孔15および液流路17が形成される前側を低くすることにより、栓体４内に流入してきた内容液が常に液通孔15内もしくは液流路17に向かうように形成されている。また、通気孔16は、通気孔16内の下端に、断面内側に向かい折れ曲がるように段部が形成されることで、上部開口部18よりも縮径された弁座19を設けている。   Further, the plug body 7 is inclined so as to be lowered from the hinge portion 8 side to the spout 12 side to form the bottom portion 13. Then, the spout 12 is formed such that the peripheral wall 14 connected from the bottom 13 rises and the peripheral wall 14 on the other side of the upper side is higher than the peripheral wall 14 on the upper one side. In addition, a liquid passage hole 15 is formed in the lower side of the bottom portion 13 so that the liquid (not shown) in the container body 2 of the beverage container 1 is passed through the stopper body 7 in the vertical direction. On the other hand, a vent hole 16 through which the air passage A in the container main body 2 or the plug body 4 passes is formed in the vertical direction, and the content liquid flowing into the plug main body 7 from the liquid through hole 15 has a corrugated peripheral wall. A liquid flow path 17 that passes through 14 toward the spout 12 is provided inside the front side of the plug body 7. The bottom 13 lowers the front side where the liquid passage hole 15 and the liquid flow path 17 are formed so that the content liquid flowing into the plug body 4 is always directed to the liquid passage hole 15 or the liquid flow path 17. Is formed. Further, the vent hole 16 is provided with a valve seat 19 having a diameter smaller than that of the upper opening 18 by forming a stepped portion at the lower end in the vent hole 16 so as to bend toward the inner side of the cross section.

さらに、栓体本体７の下部外周面20には雄螺子が形成され、これを容器本体２の上端に設けられる開口部３付近の上部内周面22に形成される雌螺子に螺合することで容器本体２と着脱自在に取り付けることができる。また、栓体本体７の下部外周面20には例えばシリコンゴムやエラストマー樹脂等によってなる環状の弾性体であるパッキン23が着脱自在に設けられ、このパッキン23により容器本体２内の内容液が外部に漏れないように栓体本体７と容器本体２との間を閉塞している。   Further, a male screw is formed on the lower outer peripheral surface 20 of the plug body 7 and is screwed into a female screw formed on the upper inner peripheral surface 22 near the opening 3 provided at the upper end of the container main body 2. Can be detachably attached to the container body 2. Further, a packing 23 which is an annular elastic body made of, for example, silicon rubber or elastomer resin is detachably provided on the lower outer peripheral surface 20 of the plug body 7, and the content liquid in the container body 2 is externally attached by this packing 23. The plug body 7 and the container body 2 are closed so as not to leak.

次に、図２に示すように栓体本体７に設けられた通気孔16には、該通気孔16を開閉するための通気弁24が設けられる。通気弁24の上部には天部25と弁棒26が設けられている。このうち、平面視が円形の天部25の直径は通気孔16の直径よりもわずかに径小に形成されており、この天部25の下方に天部25よりも径小に形成されて連設される弁棒26は弁座19の内側に配置される、すなわち弁座19を形成する段部の内側に配置される上下方向の貫通孔よりも径小に形成されており、このため弁棒26は通気孔16より径小に形成されることになる。そして、弁棒26の下端に通気弁24が連結していると共に、この通気弁24は弁座19の下面に気密に当接できるようになっている。そして、弁座19の上面27と天部25の下面28との間には、弁棒26に巻装するように弾性体、例えばコイルスプリング等の第一のバネ部材29が設けられ、該第一のバネ部材29の弾性力により通気弁24が常に上方向に向かい付勢された状態となって、通気弁24が下側から弁座19の下面32に当接することで閉弁できるようになっている。尚、通気弁24の上部には取付溝30が周設されており、該取付溝30には天部25と略同径で、かつ弁座19よりも径大な弾性材、例えばシリコンゴムやエラストマー樹脂等によってなる止水部材31が設けられ、止水部材31が弁座19の下面32に当接することにより通気孔16を閉塞して気密状態としている。   Next, as shown in FIG. 2, the vent hole 16 provided in the plug body 7 is provided with a vent valve 24 for opening and closing the vent hole 16. A top part 25 and a valve stem 26 are provided on the upper part of the vent valve 24. Of these, the diameter of the top 25 having a circular shape in plan view is slightly smaller than the diameter of the vent hole 16, and is formed below the top 25 and smaller in diameter than the top 25. The provided valve stem 26 is arranged inside the valve seat 19, that is, smaller in diameter than the vertical through-hole arranged inside the stepped portion that forms the valve seat 19. The rod 26 is formed with a smaller diameter than the vent hole 16. A vent valve 24 is connected to the lower end of the valve rod 26, and the vent valve 24 can abut against the lower surface of the valve seat 19 in an airtight manner. An elastic body, for example, a first spring member 29 such as a coil spring is provided between the upper surface 27 of the valve seat 19 and the lower surface 28 of the top portion 25 so as to be wound around the valve rod 26. The ventilation valve 24 is always urged upward by the elastic force of one spring member 29 so that the ventilation valve 24 can be closed by contacting the lower surface 32 of the valve seat 19 from below. It has become. A mounting groove 30 is provided around the upper part of the vent valve 24. The mounting groove 30 has an elastic material having substantially the same diameter as the top portion 25 and larger than the valve seat 19, such as silicon rubber or the like. A water stop member 31 made of an elastomer resin or the like is provided, and the water stop member 31 abuts on the lower surface 32 of the valve seat 19 to close the vent hole 16 so as to be in an airtight state.

一方、通気弁24は、天部25、ひいては通気弁24が上方から押圧された場合に、天部25の下面28が上面27付近まで下がり、これと連動して弁棒26に取り付けられた通気弁24、ひいては止水部材31も下がることで通気孔16が開状態となり、この結果、内容器５の空気は通気弁24の周辺から、弁座19の下面と通気弁24の上面との隙間、弁座19の周面と弁棒26の周面との隙間、第一のバネ部材29が介装した状態の弁棒26と通気孔16の周面との隙間、通気孔16の周面と天部25の周面との隙間を通って大気に開放されるようになっている。   On the other hand, the vent valve 24 is a vent that is attached to the valve stem 26 in conjunction with the lower surface 28 of the top portion 25 when the top portion 25, and hence the vent valve 24 is pressed from above, is lowered to the vicinity of the upper surface 27. The vent hole 16 is opened by the lowering of the valve 24 and the water stop member 31. As a result, the air in the inner container 5 passes from the periphery of the vent valve 24 to the gap between the lower surface of the valve seat 19 and the upper surface of the vent valve 24. , A clearance between the peripheral surface of the valve seat 19 and the peripheral surface of the valve stem 26, a clearance between the valve stem 26 and the peripheral surface of the vent hole 16 with the first spring member 29 interposed therebetween, and a peripheral surface of the vent hole 16 Through the gap between the top and the top of the heaven 25.

また、これらの構成に加えて栓体４には、栓体本体７と起伏回動自在に設けられる蓋体９とのロック機構33が備えられている。尚、ここでいうロック機構33は、栓体本体７の上部前側において、周壁14の上部外側に一体となって前向きで周面に沿って設けられた薄板状の突出片よりなる係止受け部34と、蓋体９の内部に備えられる係止部材10とが、係止することによりロックして、蓋体９を閉状態とし、かつ栓体４を閉状態とする機構である。   In addition to these configurations, the plug body 4 is provided with a lock mechanism 33 between the plug body 7 and a lid body 9 provided so as to be rotatable up and down. The locking mechanism 33 referred to here is a locking receiving portion formed of a thin plate-like projecting piece provided forward and along the peripheral surface integrally with the upper outer side of the peripheral wall 14 on the upper front side of the plug body 7. 34 and the locking member 10 provided in the inside of the lid body 9 are the mechanisms that are locked by being locked so that the lid body 9 is closed and the plug body 4 is closed.

ロック機構33を内蔵する蓋体９は、逆有底筒状の上蓋部35と、有底筒状の下蓋部36とで構成される。上蓋部35には、中央に係止解除ボタン11の押圧部となる天面部11Ａが上下動可能に収まる円形孔37が形成され、後側において、後端に通気孔16を介して容器本体と外部を通気する排気用開口部38が設けられると共に、栓体本体７とヒンジ軸８を介してヒンジ結合されている。また、下蓋部36は、栓体本体７に対応して、ヒンジ部８側から前側へかけて低くなるように傾斜させて底部39を形成している。底部39の低い方には、栓体本体７の液通孔15に対応して、上部外周面に周設される取付溝41と、底部39の下面に突状で形成された取付部42が設けられ、これら取付溝41および取付部42に装着して、パッキン等からなる止水部材40が底部39の下面を被覆して取り付けられる。   The lid body 9 incorporating the lock mechanism 33 is composed of an inverted bottomed cylindrical upper lid part 35 and a bottomed cylindrical bottom lid part 36. A circular hole 37 is formed in the upper lid part 35 so that a top surface part 11A serving as a pressing part of the unlocking button 11 can be moved up and down at the center. An exhaust opening 38 for ventilating the outside is provided, and the plug body 7 and the hinge shaft 8 are hinge-coupled. Further, the lower lid portion 36 is inclined so as to be lowered from the hinge portion 8 side to the front side so as to form the bottom portion 39 corresponding to the plug body 7. On the lower side of the bottom portion 39, there are an attachment groove 41 provided around the upper outer peripheral surface corresponding to the liquid passage hole 15 of the plug body 7, and an attachment portion 42 formed in a protruding shape on the lower surface of the bottom portion 39. A waterproofing member 40 made of packing or the like is attached so as to cover the lower surface of the bottom 39 by being mounted on the mounting groove 41 and the mounting portion 42.

他方、底部39の高い方には、栓体本体７の通気孔16に対向して、上下方向に挿通する挿通孔43が設けられている。尚、前記止水部材40は、栓体本体７の液通孔15と通気孔16に閉蓋時に対向する位置に、それぞれ下側に向かう突状部44，45が形成されており、蓋体９を閉状態とした場合に、通気孔16側の突状部45は通気弁24と近接または通気弁24による止水がくずれないようにわずかな当接状態となり、液通孔15側の突状部44は上端開口部46内に入り込むように弾性変形して、上端開口部46を封止して栓体４を閉状態にすることができる。   On the other hand, on the higher side of the bottom portion 39, an insertion hole 43 is provided so as to face the vent hole 16 of the plug body 7 and to be inserted in the vertical direction. The water-stop member 40 is formed with projecting portions 44 and 45 which are respectively directed downwardly at positions facing the liquid passage hole 15 and the vent hole 16 of the plug body 7 when closed. 9 is closed, the protruding portion 45 on the vent hole 16 side is in a slight contact state so that the water stop by the vent valve 24 is not close to or close to the vent valve 24, and the protrusion on the liquid passage hole 15 side. The shape portion 44 is elastically deformed so as to enter the upper end opening 46, and the upper end opening 46 can be sealed to close the plug body 4.

次に、ロック機構33を構成する係止部材10は、ヒンジ部８の軸方向を左右方向とした場合に、これと直交する方向である前後方向において、蓋体の上蓋部35と下蓋部36との中空部に設けられる。また、係止部材10の前端に係止受け部34と係止可能な側面Ｌ字爪状の係止部47を設ける。さらに、蓋体９を開方向に付勢すると同時に、係止部材10を後方に付勢して係止状態を保持するために、ヒンジ部８まわりにＯリング等のゴム、エラストマー、シリコン等でなるリング状弾性部材48を緊張状態で設ける。リング状弾性部材48は、係止部材10の後側とヒンジ部８間に平面視でほぼ矩形に配置されるものであって、その一側48Ａをヒンジ部８の前側下部に設けた溝部50に掛け止めし、中間部48Ｂをヒンジ部８の周面後側に掛け止めし、さらに他側48Ｃをヒンジ部８の前方であって係止部材10の後側に設けられた掛止部49に掛け止めしている。このため弾性部材48の弾性力によって、係止部材10は後側方向に向かい、さらに蓋体９は開方向に常に付勢された状態となっている。   Next, when the axial direction of the hinge portion 8 is the left-right direction, the locking member 10 constituting the lock mechanism 33 has an upper lid portion 35 and a lower lid portion in the front-rear direction which is a direction perpendicular to the axial direction. 36 is provided in a hollow portion. Further, a locking portion 47 having an L-shaped side surface that can be locked with the locking receiving portion 34 is provided at the front end of the locking member 10. Further, in order to urge the lid 9 in the opening direction and simultaneously urge the locking member 10 backward to maintain the locked state, rubber such as an O-ring, elastomer, silicon, etc. is used around the hinge portion 8. A ring-shaped elastic member 48 is provided in a tension state. The ring-shaped elastic member 48 is disposed between the rear side of the locking member 10 and the hinge portion 8 in a substantially rectangular shape in plan view, and a groove portion 50 having one side 48A provided at the lower front side of the hinge portion 8. The intermediate portion 48B is hooked on the rear side of the peripheral surface of the hinge portion 8, and the other side 48C is further hooked on the front portion of the hinge portion 8 and on the rear side of the locking member 10. It is hung on. Therefore, due to the elastic force of the elastic member 48, the locking member 10 is directed rearward, and the lid body 9 is always urged in the opening direction.

また、ロック機構33を構成する係止解除ボタン11は、蓋体９の上蓋部35と同心円でなると共に、上蓋部35の中央に形成される円形孔37内に設けられる。係止解除ボタン11の下部に傾斜部51が一体に設けられ、この傾斜部51と対向して前後方向に摺動できるように係止部材10の前後方向の略中間部に傾斜受け部52を設ける。傾斜部51は前向き、傾斜受け部52は後ろ向きであって、いずれも下方へ行くほど一様に斜めに後退する形状となっている。このため、係止解除ボタン11を押圧することで、傾斜部51が下降し、この下降に伴って傾斜部51が傾斜受け部52、ひいては係止部材10を前進せしめて、係止受け部34と係止部47との係止状態を解除することができるようになっており、傾斜部51が傾斜受け部52によって係止解除ボタン11を下方に押圧することで係止部材10を前進せしめる押圧・前進変換機構が形成されている。尚、係止解除ボタン11には押し込み時に係止解除ボタン11を上下方向に移動できるようにガイド棒53が設けられている。   The lock release button 11 constituting the lock mechanism 33 is concentric with the upper lid portion 35 of the lid body 9 and is provided in a circular hole 37 formed at the center of the upper lid portion 35. An inclined portion 51 is integrally provided at the lower portion of the locking release button 11, and an inclined receiving portion 52 is provided at a substantially intermediate portion in the front-rear direction of the locking member 10 so as to be able to slide in the front-rear direction facing the inclined portion 51. Provide. The inclined portion 51 faces forward and the inclined receiving portion 52 faces rearward, and both of them are shaped so as to recede uniformly and obliquely as they go downward. For this reason, when the locking release button 11 is pressed, the inclined portion 51 is lowered, and the inclined portion 51 advances the inclined receiving portion 52 and eventually the locking member 10 as the lowering occurs, and the locking receiving portion 34 is moved forward. And the locking portion 47 can be released, and the inclined portion 51 advances the locking member 10 by pressing the locking release button 11 downward by the inclined receiving portion 52. A pressing / forward conversion mechanism is formed. The lock release button 11 is provided with a guide bar 53 so that the lock release button 11 can be moved in the vertical direction when pushed.

また、蓋体９の後側には、天面部11Ａ側から栓体本体７に設けられている通気弁24の天部25に対向する位置に下側に向かい延びる通気弁操作用突起部54が一体に設けられる。この突起部54の下端54Ａは止水部材40の突状部45の上面に対向して近接或いは接続しており、係止解除ボタン11の天面部11Ａを下方へ押圧することで、突起部54が下降するとその下端54Ａが突状部45を下方へ押圧されて下方に変形し、この下方に変形した突状部45は天部25を下方に押圧することにより、通気弁24は開弁できるようになっている。   Further, on the rear side of the lid body 9, there is a vent valve operating projection 54 extending downward from the top surface portion 11 A side to a position facing the top portion 25 of the vent valve 24 provided on the plug body 7. Provided integrally. The lower end 54A of the protrusion 54 is close to or connected to the upper surface of the protrusion 45 of the water stop member 40, and the protrusion 54 is pressed by pressing the top surface 11A of the lock release button 11 downward. The lower end 54A of the projecting portion 45 is pressed downward to deform downward, and the projecting portion 45 deformed downward presses the top portion 25 downward, whereby the vent valve 24 can be opened. It is like that.

さらに、係止解除ボタン11の天面部11Ａと底部39側との間に、コイルスプリング等の第二のバネ部材55が介在しており、第二のバネ部材55はガイド棒53と突起部54との間にある内部略中央に配設されており、第二のバネ部材55の弾性力により係止解除ボタン11は、常時上側に向かい付勢された状態となっている。尚、天面部11Ａの周縁が円形孔37の周縁に下側から当接できることで、係止解除ボタン11の上方への抜け止めがなされるようになっている。   Further, a second spring member 55 such as a coil spring is interposed between the top surface portion 11A and the bottom 39 side of the lock release button 11, and the second spring member 55 is composed of the guide rod 53 and the protruding portion 54. The latch release button 11 is always urged upward by the elastic force of the second spring member 55. In addition, since the periphery of the top surface portion 11A can come into contact with the periphery of the circular hole 37 from below, the locking release button 11 is prevented from coming off upward.

ここで、本実施例では、蓋体９を開蓋する前に通気弁24を開弁して内容器５内の空気を大気に逃がしてやるために、図１に示した蓋閉状態において、突状部45上面と通気弁操作用突起部54の下端54Ａとの上下方向の隙間長さをＸ1、突状部45下面と通気弁24の天部25との上下方向の隙間長さをX2、X1 ・X2の合計隙間長さをX、傾斜部51と傾斜受け部52との上下方向の隙間長さをＹ、係止状態にある係止受け部34と係止部47の前後方向の重なり長さをＺL、同一傾斜状態の傾斜部51、傾斜受け部52の仰角度をθとしたとき、Ｘ＜Ｙ＋Ｌtanθを満たすようになっている。尚、隙間長さＸ、Ｙは０mmでもよい。 Here, in this embodiment, in order to allow the air in the inner container 5 to escape to the atmosphere by opening the vent valve 24 before opening the lid body 9, in the lid closed state shown in FIG. The vertical gap length between the upper surface of the projection 45 and the lower end 54A of the vent valve operating projection 54 is X 1 , and the vertical gap length between the lower surface of the projection 45 and the top 25 of the ventilation valve 24 is X 2, X 1 · X total clearance length X 2, the inclined portion 51 and the vertical gap length between the receiving portion 52 inclined Y, engaging portions 34 in the locked state and the locking portion 47 X <Y + Ltanθ is satisfied, where ZL is the overlap length in the front-rear direction, and θ is the elevation angle of the inclined portion 51 and the inclined receiving portion 52 in the same inclined state. The gap lengths X and Y may be 0 mm.

次に上記構成を備えるロック機構33について、その作用を説明する。図１に示すように蓋体９が閉じた係止状態において、蓋体９は、弾性部材48により係止方向である後側方向に向かい引っ張られているため、係止部材10により栓体本体７の係止受け部34に係止された状態で保持される。これにより、栓体本体の液通孔15が蓋体９の下蓋部36に取り付けられた止水部材40で液密となり閉状態に保たれている。また、この時、通気弁24は第一のバネ部材29の弾性力により上側方向に向かい付勢された状態で保持され、弁棒26の下部に取り付けられた止水部材31により通気孔16が閉塞されて気密状態に保たれている。   Next, the operation of the lock mechanism 33 having the above configuration will be described. As shown in FIG. 1, in the locked state where the lid body 9 is closed, the lid body 9 is pulled toward the rear side which is the locking direction by the elastic member 48. 7 is held in a state of being latched by the latch receiving portion 34 of the seven. Thus, the liquid passage hole 15 of the plug body is liquid-tight by the water-stop member 40 attached to the lower lid portion 36 of the lid body 9 and is kept closed. At this time, the vent valve 24 is held in a state of being biased upward by the elastic force of the first spring member 29, and the vent hole 16 is formed by the water stop member 31 attached to the lower portion of the valve stem 26. It is blocked and kept airtight.

一方、図３に示すように蓋体９を開く係止解除状態に至るまでの状態においては、蓋体９の天面部11Ａの中央に設けられた係止解除ボタン11を下方に向かい押圧していくと、係止受け部34と係止部47との係止状態が解除される前に、係止解除ボタン11の下側に向かって延びる突起部54により止水部材40の突状部45を介して、天部25が押されて通気孔16が開状態となり、内容器５内の空気が通気孔16を通って排気用開口部38より放出される。尚、図３においては傾斜部51と傾斜受け部52とが当接することで、係止部材10は前進するも、係止受け部34と係止部47とは重なり状態が維持されている。   On the other hand, as shown in FIG. 3, in the state until the unlocking state in which the lid body 9 is opened, the locking release button 11 provided at the center of the top surface portion 11A of the lid body 9 is pressed downward. As a result, before the locking state of the locking receiving portion 34 and the locking portion 47 is released, the protruding portion 45 of the water stop member 40 is projected by the protruding portion 54 extending toward the lower side of the locking release button 11. Then, the top 25 is pushed and the vent 16 is opened, and the air in the inner container 5 is released from the exhaust opening 38 through the vent 16. In FIG. 3, when the inclined portion 51 and the inclined receiving portion 52 come into contact with each other, the locking member 10 moves forward, but the locking receiving portion 34 and the locking portion 47 are maintained in an overlapping state.

さらに、図４に示すように、係止解除ボタン11を押し進めると、傾斜部51が傾斜受け部52を前進せしめて、最終的に栓体本体７の係止受け部34から係止部材10の係止部47が外れ、係止部材10と上蓋部35の間に設けられた隙間Zにより、係止部材10は前側の略斜め上方に向かい回動する。このように、係止部材10が略斜め上方に向かい回動することで、係止部材10の係止部47が外れた係止解除時と同時に係止解除ボタン11に対する押圧をやめた場合であっても、係止部材10が再び栓体本体７の係止受け部34に係止されることなく、開蓋状態で、かつ開栓状態となる。   Further, as shown in FIG. 4, when the locking release button 11 is pushed forward, the inclined portion 51 advances the inclined receiving portion 52, and finally the locking member 10 is moved from the locking receiving portion 34 of the plug body 7. The locking part 47 is disengaged, and the locking member 10 is rotated substantially obliquely upward on the front side by the gap Z provided between the locking member 10 and the upper lid part 35. As described above, when the locking member 10 is turned substantially obliquely upward, the pressing of the locking release button 11 is stopped simultaneously with the unlocking when the locking portion 47 of the locking member 10 is released. However, the locking member 10 is not locked to the locking receiving portion 34 of the plug body 7 again, and is in the open state and in the open state.

図５に示すように、開蓋状態になると、係止解除ボタン11は、第二のバネ部材55により弾性復帰して上側に向かい付勢された状態に戻り、また、係止部材10が弾性部材48により弾性復帰して後側に向かい後方に付勢された状態に戻る。   As shown in FIG. 5, when the cover is opened, the lock release button 11 is elastically restored by the second spring member 55 and returned to the state of being biased upward, and the lock member 10 is elastic. The member 48 is elastically restored to return to the state of being urged rearward toward the rear side.

そして、容器本体２内の内容液を注ぐ際に、通気弁24はバネ部材29により減圧弁としても作用し、容器本体２内の内容液を注いだ後は、蓋体９を上蓋部35の天部を下側に向けて押圧し、係止部材10の係止部47が栓体本体７の係止受け部34を乗り越えることで係止状態となって、再び蓋体９を閉蓋状態とする。   When the content liquid in the container main body 2 is poured, the vent valve 24 also acts as a pressure reducing valve by the spring member 29. After the content liquid in the container main body 2 is poured, the lid 9 is attached to the upper lid portion 35. The top portion is pressed downward, and the locking portion 47 of the locking member 10 gets over the locking receiving portion 34 of the plug body 7 so that it is locked, and the lid 9 is closed again. And

ここで、係止解除ボタン11は、弾性部材48により係止部材10を通して上側に付勢されているため、第二のバネ部材55は条件によっては省略することが可能である。   Here, since the lock release button 11 is biased upward through the lock member 10 by the elastic member 48, the second spring member 55 can be omitted depending on conditions.

以上のように、本実施例では、飲料用容器本体２の上部開口部３に着脱自在に取り付けられる栓体本体７と、栓体本体７の内部に形成された液流路17と、液流路17の上部かつ栓体本体７の前側に設けた注ぎ口12と、栓体本体７の後側でヒンジ部８を介して回動自在に軸支され液流路17を開閉する蓋体９と、蓋体９に設けられ液流路17を上方から液密にする止水部材40と、蓋体９を閉状態に係止すると共に係止方向に付勢される係止部材10と、係止部材10を係止解除して開状態とすると共に上側方向に付勢される係止解除ボタン11とを備え、係止解除ボタン11を下側方向に押圧することで係止部材10が係止解除され、栓体本体７が、容器本体２内の内容液を通す液通孔15と、容器本体２内または蓋体９内の空気を通す通気孔16と、通気孔16内に上側方向に付勢されて設けられる通気弁24とを備え、係止解除ボタン11を下側方向に押圧することにより、係止部材10の係止解除がなされる前に通気弁24が開弁され、飲料用容器本体２内の内圧を通気孔16を通して大気圧へ開放したことで、具体的には飲料用容器本体２の上部開口部３に着脱自在に取り付けられる栓体本体７と、栓体本体７の内側に形成された液流路17と、液流路17の上部かつ栓体本体７の前側に設けた注ぎ口12と、栓体本体７の後側にヒンジ部８を介して回動自在に軸支され液流路17を開閉する蓋体９と、蓋体９に設けられ液流路17を上方から液密にする止水部材40と、蓋体９に設けられて蓋体９を閉状態に係止すると共に係止方向に付勢される係止部材10と、蓋体９に昇降自在に設けられて係止部材10を係止解除して開状態とすると共に上側方向に付勢される係止解除ボタン11と、栓体本体７に設けられ容器本体２の内外を連通する通気孔16に設けられた通気弁24とを備え、係止解除ボタン11と係止部材10との間に、係止解除ボタン11の下向き移動を係止部材10の前進移動に変換する傾斜部51、傾斜受け部52からなる下向き移動・前進移動変換機構を設け、係止解除ボタン11と通気弁24との間に係止解除ボタン11の下向き移動を通気弁24の開弁作用に変換する通気弁操作用突起部54からなる下向き移動・開弁作用変換機構を設け、かつ下向き移動・前進移動変換機構（傾斜部51、傾斜受け部52）には、通気弁24の開弁開始よりも係止部47の係止受け部34との係止解除が遅くなるように、前記Ｘ＜Ｙ＋Ｌtanθを満たすような遅延手段が設けられていることにより、係止解除ボタン11を押圧するだけで開栓・閉栓操作ができるため、使用者に係わらず極めて簡便であり、蓋体９を開く時に、係止解除ボタン11を押圧していくと、蓋体９が係止部材10により栓体本体７に係止されている状態のまま、係止解除ボタン11の下部に設けられた突起部54によって通気弁24を押し、内圧を開放するため、内溶液の温度が高いときなど飲料用容器本体２内の内圧が上昇して蓋体９が勢いよく開くことや、内溶液が飛散することを回避できる。また、内溶液が熱い状態から冷めたときに飲料用容器本体２内が減圧になった場合でも、係止解除ボタン11の下部に設けた突起部54により強制的に通気弁24を操作させることにより、飲料用容器本体２の内圧を大気圧にすることができるため、飲料用容器本体２内の減圧により蓋体９が開かないということもなくなる。このため、内溶液の温度が高いときなど、液体容器本体２の内圧が上昇して蓋体９が勢いよく開くことや、内溶液が飛散ることを回避できる。さらに、内溶液が熱い状態から冷めたときに液体容器本体２内が減圧になった場合でも、係止解除部材である係止解除ボタン11により強制的に通気弁24を操作することで、液体容器本体２内の内圧を大気圧にすることができ、液体容器本体２内の減圧により蓋体９が開かないということもなくなる。   As described above, in this embodiment, the plug body 7 detachably attached to the upper opening 3 of the beverage container body 2, the liquid flow path 17 formed inside the plug body 7, the liquid flow A spout 12 provided on the upper side of the channel 17 and on the front side of the plug body 7, and a lid 9 that is pivotally supported via a hinge portion 8 on the rear side of the plug body 7 to open and close the liquid flow path 17. A water-stop member 40 provided in the lid body 9 to make the liquid flow path 17 liquid-tight from above, a locking member 10 that locks the lid body 9 in a closed state and is biased in the locking direction, The locking member 10 is unlocked to be in an open state and is provided with a locking release button 11 that is biased upward, and the locking member 10 is pressed by pressing the locking release button 11 downward. The stopper body 7 is unlocked, and the stopper body 7 has a liquid passage hole 15 through which the content liquid in the container body 2 passes, a vent hole 16 through which air in the container body 2 or the lid body 9 passes, and an upper side in the vent hole 16. In the direction The vent valve 24 is provided by being biased, and the vent valve 24 is opened before the latch member 10 is unlocked by pressing the latch release button 11 in the downward direction. By opening the internal pressure in the container body 2 to the atmospheric pressure through the vent hole 16, specifically, a plug body 7 that is detachably attached to the upper opening 3 of the beverage container body 2, and the plug body 7 The liquid flow path 17 formed inside, the spout 12 provided on the upper side of the liquid flow path 17 and on the front side of the plug body 7, and the rear side of the plug body 7 can be rotated via the hinge portion 8. The lid body 9 is pivotally supported by the lid 9 to open and close the liquid flow path 17, the water stop member 40 is provided in the lid body 9 to make the liquid flow path 17 liquid-tight from above, and the lid body 9 is provided with the lid body 9. A locking member 10 that is locked in the closed state and biased in the locking direction, and is provided on the lid body 9 so as to be movable up and down. A lock release button 11 biased in the direction, and a vent valve 24 provided in the plug body 7 and provided in a vent hole 16 communicating with the inside and outside of the container body 2. Provided between the member 10 is a downward movement / advance movement conversion mechanism comprising an inclined portion 51 and an inclined receiving portion 52 for converting the downward movement of the locking release button 11 into the forward movement of the locking member 10, and the locking release button 11 and a vent valve 24 are provided with a downward movement / opening action conversion mechanism comprising a vent valve operating projection 54 for converting the downward movement of the unlocking button 11 into the opening action of the vent valve 24, and downward In the movement / forward movement conversion mechanism (inclination part 51, inclination reception part 52), the release of the engagement of the engagement part 47 with the engagement receiving part 34 is delayed from the start of opening of the vent valve 24. By providing a delay means that satisfies X <Y + Ltanθ, just press the lock release button 11 Since it can be opened and closed, it is very simple regardless of the user. When the lid 9 is opened, when the lock release button 11 is pressed, the lid 9 is locked by the locking member 10 and the plug body. 7 in the state where it is locked to the release button 11, the vent valve 24 is pushed by the protrusion 54 provided at the lower part of the lock release button 11 to release the internal pressure, so that the container body for beverages has a high temperature. It can be avoided that the internal pressure in 2 rises and the lid 9 opens vigorously and the internal solution is scattered. Further, even when the inside of the beverage container body 2 is depressurized when the inner solution is cooled from a hot state, the vent valve 24 is forcibly operated by the protrusion 54 provided at the lower part of the unlocking button 11. Thus, since the internal pressure of the beverage container body 2 can be set to atmospheric pressure, the lid body 9 does not open due to the reduced pressure in the beverage container body 2. For this reason, when the temperature of the inner solution is high, the internal pressure of the liquid container main body 2 increases, and the lid 9 can be prevented from opening vigorously and the inner solution can be prevented from scattering. Further, even when the inside of the liquid container body 2 is depressurized when the internal solution is cooled from a hot state, the liquid is released by forcibly operating the vent valve 24 by the lock release button 11 which is a lock release member. The internal pressure in the container body 2 can be set to atmospheric pressure, and the lid 9 is not opened due to the reduced pressure in the liquid container body 2.

また、係止解除ボタン11は、止水部材40を介して通気弁24を押圧することで、係止解除ボタン11の下部に設けた突起部54で通気弁24を押す際、蓋体９の底部39に取り付けられた止水部材40を介して操作するため、圧開放時などに蓋下36内側に内溶液の水滴などが入り込む心配もなく、清潔に保つことが出来る。   Further, the lock release button 11 presses the vent valve 24 through the water stop member 40, so that when the vent valve 24 is pushed by the protrusion 54 provided at the lower part of the lock release button 11, Since the operation is performed through the water stop member 40 attached to the bottom 39, it is possible to keep clean without worrying that water droplets of the inner solution enter the inside of the lower lid 36 when the pressure is released.

さらに、係止部材10が、ヒンジ部８付近に付設された環状弾性部材48の弾性力により係止方向に付勢されていることで、蓋体９の開方向への付勢および係止部材10の係止方向への付勢を弾性部材48のみで行うことができるので、部品点数を少なくし、小スペース化およびコストダウン効果が得られる。   Further, the locking member 10 is biased in the locking direction by the elastic force of the annular elastic member 48 provided in the vicinity of the hinge portion 8 so that the lid 9 is biased in the opening direction and the locking member. Since the ten urging forces in the locking direction can be performed only by the elastic member 48, the number of parts can be reduced, and the space can be reduced and the cost can be reduced.

以下に他の実施例について説明する。尚、前記実施例１と同一部分には同一符号を付し、その詳細な説明を省略する。   Other embodiments will be described below. In addition, the same code | symbol is attached | subjected to the same part as the said Example 1, and the detailed description is abbreviate | omitted.

図９は実施例２を示しており、弁棒26の下方に逆止弁56を係止したものである。この逆止弁56は下向きに突設した断面上下逆の傘形状の膜、すなわち裁頭円錐形状の膜からなり、その上向きの周縁は弁座19の下方に、止水部材31を遊嵌するような円筒状の逆止弁56用の弁座56Ａに密着できるようになっている。   FIG. 9 shows a second embodiment, in which a check valve 56 is locked below the valve rod 26. The check valve 56 is made of an umbrella-shaped film that is vertically inverted and protrudes downward, that is, a truncated cone-shaped film, and its upward periphery is loosely fitted with a water stop member 31 below the valve seat 19. Such a cylindrical check valve 56 can be in close contact with the valve seat 56A.

したがって、逆止弁56を通気孔16の下端に設けることで、常時は逆止弁56および弁座56Aの密着により内容器5の内部を密閉でき、容器本体２の内容液が熱い状態から冷めることにより容器本体２内が減圧された場合に、逆止弁56が一点鎖線で示すように周縁が斜め下向きとなって弾性変形するので、容器本体２内の内圧を逆止弁56、通気弁24を介して外部へ開放することができる。したがって、減圧時にのみ自動的に大気開放することができる。   Therefore, by providing the check valve 56 at the lower end of the vent hole 16, the inside of the inner container 5 can be sealed normally by the close contact of the check valve 56 and the valve seat 56A, and the content liquid in the container body 2 is cooled from a hot state. Thus, when the inside of the container body 2 is depressurized, the check valve 56 is elastically deformed with its peripheral edge obliquely downward as shown by the alternate long and short dash line. 24 can be opened to the outside. Therefore, it can be automatically opened to the atmosphere only during decompression.

以上のように、本実施例では、実施例１と同様に係止解除を通気弁24の開弁よりも遅延して行うことができ、さらに通気弁24の止水部たる逆止弁56が、飲料用容器本体２内の減圧時に弾性変形することで、減圧時のみに自動的に大気開放することができる。   As described above, in this embodiment, similarly to the first embodiment, the unlocking can be delayed with respect to the opening of the vent valve 24, and the check valve 56 serving as the water stop portion of the vent valve 24 is provided. Since the beverage container body 2 is elastically deformed during decompression, it can be automatically opened to the atmosphere only during decompression.

図１０及び図１１は実施例３を示しており、本実施例では、通気孔16の一部に隙間16Ａを形成するように弁棒26を設けると共に、弁棒26の上部に上面27に係止する抜け止め突起26Ａを設け、弁棒26の下部に弁座19の下面32に当接する上述のような逆止弁よりなる上下逆の傘状の通気弁57を設ける、そして、通気弁操作用突起部54の下端54Ａをさらに下方に延長した延長部54Ｂを、突状部45において上下方向に貫通した挿通孔58、さらに前記通気孔16の一部の隙間16Ａを通して通気弁57の上面に間隔をおいて対向せしめている。尚、通気弁57の縁が弁座19の下面32に当接することで、気密性は保たれている。   10 and 11 show a third embodiment. In this embodiment, a valve stem 26 is provided so as to form a gap 16A in a part of the vent hole 16, and an upper surface 27 is connected to the upper portion of the valve stem 26. FIG. A stopper projection 26A for stopping is provided, and an upside down umbrella-shaped vent valve 57 composed of a check valve as described above that contacts the lower surface 32 of the valve seat 19 is provided below the valve stem 26, and the vent valve operation An extension 54B, which extends further downward from the lower end 54A of the projection 54, is inserted into the upper surface of the vent valve 57 through an insertion hole 58 that penetrates the projection 45 in the vertical direction, and a gap 16A that is part of the vent hole 16. They are facing each other at intervals. The edge of the vent valve 57 is in contact with the lower surface 32 of the valve seat 19, so that airtightness is maintained.

したがって、係止解除ボタン11は下側へ向かい押圧されることにより、通気弁操作用突起部54の延長部54Ｂが通気弁57の一端を押圧し、通気弁57を強制的に変形させることで、通気弁57の縁が弁座19の下面32より離れて隙間が生じ、栓体本体７の通気孔16（通気孔16の隙間16Ａ）を通って容器本体２の内圧を外部へ開放することができる。したがって、実施例１と同様に係止解除を通気弁24の開弁よりも遅延して行うことができ、さらに閉蓋状態における容器本体２の内圧が減圧時において、自動的に減圧状態を解除できるようになる。   Therefore, when the unlocking button 11 is pressed downward, the extension 54B of the vent valve operating projection 54 presses one end of the vent valve 57, forcibly deforming the vent valve 57. The edge of the vent valve 57 is separated from the lower surface 32 of the valve seat 19 to create a gap, and the internal pressure of the container body 2 is released to the outside through the vent hole 16 (gap 16A of the vent hole 16) of the plug body 7. Can do. Accordingly, the unlocking can be performed later than the opening of the vent valve 24 in the same manner as in the first embodiment, and when the internal pressure of the container body 2 in the closed state is reduced, the reduced pressure state is automatically released. become able to.

以上のように、本実施例では、実施例１と同様に係止解除を通気弁57の開弁よりも遅延して行うことができ、さらに係止解除部材たる係止解除ボタン11が、通気弁57の一部を押圧することで、通気弁57を変形させ、飲料用容器本体２の内圧を通気孔16を通して大気圧へ開放することができる。また、減圧時には通気弁57が弾性変形するため、通気弁57が逆止弁状であることで、自動的に減圧状態を解除できる。   As described above, in this embodiment, similarly to the first embodiment, the unlocking can be delayed with respect to the opening of the vent valve 57, and the unlocking button 11 serving as the unlocking member is provided with a vent. By pressing a part of the valve 57, the vent valve 57 can be deformed and the internal pressure of the beverage container body 2 can be released to the atmospheric pressure through the vent hole 16. Further, since the vent valve 57 is elastically deformed at the time of depressurization, the depressurized state can be automatically released by the vent valve 57 having a check valve shape.

図１２〜１４は実施例４を示しており、本実施例では、通気孔16に設けられる通気弁59は、その膜状の上面59Ａにスリット部（切れ目）60を平面視放射状に形成し、係止解除ボタン11の後側で、かつ通気孔16に対応する位置に設けられた下側に向かい延びる通気弁操作用突起部54の延長部54Ｂが、突状部45において上下方向に貫通した挿通孔61を通してスリット60に間隔をおいて上方から間隔をおいて対向している。尚、実施例では通気弁59は通気孔16の上面27に装着されている。   FIGS. 12 to 14 show a fourth embodiment. In this embodiment, the vent valve 59 provided in the vent hole 16 has slits (cuts) 60 formed radially on the film-like upper surface 59A in a plan view. An extension portion 54B of the vent valve operating projection 54 that extends rearward on the rear side of the lock release button 11 and at a position corresponding to the vent hole 16 penetrates the projecting portion 45 in the vertical direction. Through the insertion hole 61, the slit 60 is opposed to the slit 60 with an interval from above. In the embodiment, the vent valve 59 is mounted on the upper surface 27 of the vent hole 16.

したがって、係止解除ボタン11を押圧すると、延長部54Ｂが上面59Ａの中心を押圧することにより、上面59Ａが変形してスリット部60が開弁作動する。尚、スリット部60は十字状や一字状など、種々の形状で設けることができる。   Therefore, when the lock release button 11 is pressed, the extension portion 54B presses the center of the upper surface 59A, whereby the upper surface 59A is deformed and the slit portion 60 is opened. The slit portion 60 can be provided in various shapes such as a cross shape or a single character shape.

尚、弾性変形する通気弁59にスリット部60を設け、このスリット部60が開弁作動することにより、内圧を通気孔16を通して外部へ開放することができる。この構成の場合、栓体本体７の下蓋部36に設けられる止水部材40に挿通孔61を設け、突起部54で直接押圧することもできるが、前記止水部材40を介して、スリット部60を押圧することもできる。したがって、部品点数を減らした構成でも、飲料用容器本体２の内圧を通気孔16を通して大気圧へ開放することができる。   In addition, the slit part 60 is provided in the vent valve 59 that is elastically deformed, and the slit part 60 is opened so that the internal pressure can be released to the outside through the vent hole 16. In the case of this configuration, an insertion hole 61 can be provided in the water-stopping member 40 provided in the lower lid portion 36 of the plug body 7 and can be directly pressed by the protruding portion 54. The part 60 can also be pressed. Therefore, the internal pressure of the beverage container body 2 can be released to the atmospheric pressure through the vent hole 16 even with a configuration in which the number of parts is reduced.

本実施例では、実施例１と同様に係止解除を通気弁59の開弁よりも遅延して行うことができ、さらに係止解除部材たる係止解除ボタン11が、通気弁59の一部を押圧することで、通気弁59を変形させ、飲料用容器本体２の内圧を通気孔16を通して大気圧へ開放することができる。   In the present embodiment, the unlocking can be performed later than the opening of the vent valve 59 as in the first embodiment, and the unlocking button 11 serving as the unlocking member is a part of the vent valve 59. By pressing, the vent valve 59 can be deformed and the internal pressure of the beverage container body 2 can be released to the atmospheric pressure through the vent hole 16.

図１５は実施例５を示しており、本実施例では、通気弁24に配された止水部材31の上面に弁座29の下面32に当接する平面視円環状の第一の止水部31Ａを一体に設ける。この第一の止水部31Ａの断面は上方が先細な三角形状である。また弁座29の下面32より下方に向けて止水部材31を間隔をおいて囲むように円筒状の延長部29Ａが設けられており、そして止水部材31の周面の下部に、該周面に沿って第二の止水部31Ｂが平面視円環状に設けられている。第二の止水部31Ｂの断面は外側が先細な三角形状である。   FIG. 15 shows a fifth embodiment. In this embodiment, the first water stop portion having an annular shape in a plan view that abuts the lower surface 32 of the valve seat 29 on the upper surface of the water stop member 31 disposed on the vent valve 24. 31A is provided integrally. The cross section of the first water stop portion 31A has a triangular shape whose upper side is tapered. Further, a cylindrical extension 29A is provided so as to surround the water stop member 31 with an interval from the lower surface 32 of the valve seat 29, and at the lower part of the peripheral surface of the water stop member 31, A second water stop portion 31B is provided in an annular shape in plan view along the surface. The cross section of the second water stop portion 31B has a triangular shape with a tapered outer side.

このように実施例５では実施例１の作用効果の他に、閉弁時に、下面32に当接する第一の止水部31Ａの他に、延長部29Ａの内周面下部に当接する第二の止水部31Ｂを設けることで、より通気孔16の止水性を向上させることができる。   Thus, in the fifth embodiment, in addition to the effects of the first embodiment, in addition to the first water stop portion 31A that contacts the lower surface 32 when the valve is closed, the second that contacts the lower portion of the inner peripheral surface of the extension portion 29A. By providing the water-stop portion 31B, the water-stop performance of the vent hole 16 can be further improved.

図１６は実施例６を示しており、本実施例では、通気弁24の弁棒26の上部に軸受け62を設けており、通気孔16に弁棒26を下方から挿入し、軸受け62で嵌合することにより、軸受け62により第一のバネ部材29の上部を係止し、軸受け62で通気弁24を分解せずとも止水部材31を取り外すことを可能とすることで、止水部材31の洗浄性をより簡便なものにすることができる。   FIG. 16 shows a sixth embodiment. In this embodiment, a bearing 62 is provided on the upper portion of the valve stem 26 of the vent valve 24, and the valve stem 26 is inserted into the vent hole 16 from below and fitted with the bearing 62. By joining, the upper portion of the first spring member 29 is locked by the bearing 62, and the water stopping member 31 can be removed without disassembling the vent valve 24 by the bearing 62. The cleaning property can be made simpler.

１ 飲料用容器
２ 容器本体
３ 容器開口部
４ 栓体
７ 栓体本体
８ ヒンジ部
９ 蓋体
10 係止部材（係止部材）
11 係止解除ボタン（係止解除部材）
12 注ぎ口（飲み口）
15 液通孔
16 通気孔
17 液流路
24 通気弁
31 閉塞部材
33 ロック機構
40 止水部材
47 係止爪
48 弾性部材 DESCRIPTION OF SYMBOLS 1 Beverage container 2 Container body 3 Container opening part 4 Plug body 7 Plug body 8 Hinge part 9 Cover body
10 Locking member (locking member)
11 Lock release button (lock release member)
12 Spout
15 Liquid hole
16 Vent
17 Liquid flow path
24 Ventilation valve
31 Blocking member
33 Locking mechanism
40 Water stop member
47 Locking claw
48 Elastic member

Claims (6)

飲料用容器本体の上部開口部に着脱自在に取り付けられる栓体本体と、
前記栓体本体の内部に形成された液流路と、
前記液流路の上部かつ前記栓体本体の前側に設けた注ぎ口又は飲み口と、
前記栓体本体の後側でヒンジ軸を介して回動自在に軸支され前記液流路を開閉する蓋体と、
前記蓋体に設けられ前記液流路を上方から液密にする止水部材と、
前記蓋体を閉状態に係止すると共に係止方向に付勢される係止部材と、
前記係止部材を係止解除して開状態とすると共に上側方向に付勢される係止解除部材とを備え、
前記係止解除部材を下側方向に押圧することで前記係止部材が係止解除され、前記蓋体が開く飲料用容器の栓体であって、
前記栓体本体には、前記飲料用容器本体内の内容液を排出する液通孔と、
前記容器本体内の空気を排気する通気孔と、
前記通気孔に設けられる通気弁とを備え、
前記係止解除部材を下側方向に押圧することにより、
前記係止部材の係止解除がなされる前に前記通気弁が開弁され、
前記飲料用容器本体の内圧を前記通気孔を通して大気圧へ開放することを特徴とする飲料用容器の栓体。 A plug body that is detachably attached to the upper opening of the beverage container body;
A liquid flow path formed inside the plug body;
A spout or drinking port provided above the liquid flow path and on the front side of the plug body;
A lid that is pivotally supported via a hinge shaft on the rear side of the plug body and opens and closes the liquid flow path;
A water-stop member provided in the lid body to make the liquid flow path liquid-tight from above;
A locking member that locks the lid in the closed state and is biased in the locking direction;
An unlocking member that unlocks the locking member to be in an open state and is biased upward.
The locking member is unlocked by pressing the locking release member downward, and the lid of the beverage container opens,
In the plug body, a liquid passage hole for discharging the content liquid in the beverage container body,
A vent for exhausting air in the container body;
A vent valve provided in the vent hole,
By pressing the locking release member downward,
The vent valve is opened before the locking member is unlocked,
A beverage container plug, wherein the internal pressure of the beverage container body is released to atmospheric pressure through the vent hole. 前記係止解除部材は、前記止水部材を介して前記通気弁を押圧することを特徴とする請求項１記載の飲料用容器の栓体。 The stopper for a beverage container according to claim 1, wherein the locking release member presses the ventilation valve via the water stop member. 前記通気弁が、前記飲料用容器本体内の減圧時に弾性変形することを特徴とする請求項１又は２記載の飲料用容器の栓体。 The stopper for a beverage container according to claim 1 or 2, wherein the vent valve is elastically deformed when the beverage container body is decompressed. 前記係止解除部材が、前記通気弁の一部を押圧することで、前記飲料用容器本体の内圧を前記通気孔を通して大気圧へ開放することを特徴とする請求項１〜３のいずれか１項に記載の飲料用容器の栓体。 The said latch release member presses a part of said ventilation valve, The internal pressure of the said container body for drinks is open | released to atmospheric pressure through the said ventilation hole, The any one of Claims 1-3 characterized by the above-mentioned. The stopper for a beverage container according to Item. 前記通気弁に複数の止水部を設けたことを特徴とする請求項１〜４のいずれか１項に記載の飲料用容器の栓体。
The beverage container plug according to any one of claims 1 to 4, wherein the ventilation valve is provided with a plurality of water stop portions.
前記係止部材が、前記蓋体のヒンジ軸付近に付設されたリング状弾性部材の弾性力により係止方向に付勢されていることを特徴とする請求項１〜５のいずれか１項に記載の飲料用容器の栓体。 The said latching member is urged | biased in the latching direction by the elastic force of the ring-shaped elastic member attached by the hinge axis | shaft vicinity of the said cover body in any one of Claims 1-5 characterized by the above-mentioned. The stopper of the beverage container as described.
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