JP6730725B2 - Food insulation container - Google Patents

Food insulation container Download PDF

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JP6730725B2
JP6730725B2 JP2016093202A JP2016093202A JP6730725B2 JP 6730725 B2 JP6730725 B2 JP 6730725B2 JP 2016093202 A JP2016093202 A JP 2016093202A JP 2016093202 A JP2016093202 A JP 2016093202A JP 6730725 B2 JP6730725 B2 JP 6730725B2
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container
outer container
lid
food
plug member
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JP2017200540A (en
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山中 茂弘
茂弘 山中
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ピーコック魔法瓶工業株式会社
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Description

この発明は、例えばスープジャーのように液状の食品を携行するのに好適な食品保温容器に関し、より詳しくは、容量の変更や保温持続性の向上が可能な食品保温容器に関する。 The present invention relates to a food heat insulation container suitable for carrying a liquid food such as a soup jar, and more particularly to a food heat insulation container capable of changing the capacity and improving the heat retention continuity.

必要に応じて容量を変えたり保温効果をより長く持続させたりできる食品保温容器(下記特許文献1参照)を案出した。 A food heat retaining container (see Patent Document 1 below) capable of changing the capacity and maintaining the heat retaining effect for a longer time as needed is devised.

この食品保温容器は、ステンレス製の真空断熱容器からなる外容器と、外容器内に出し入れ可能に収納される合成樹脂製の内容器と、内容器の上端の開口部に取り付け可能な蓋体を備え、内容器の開口部の高さを外容器に対して収納した時の外容器の上端の開口部の高さよりも低くし、蓋体には外容器の内周面に密着するパッキンを取り付けた構成である。 This food heat insulation container has an outer container made of a stainless steel vacuum heat insulating container, an inner container made of synthetic resin that can be put into and taken out of the outer container, and a lid that can be attached to the opening at the upper end of the inner container. The height of the opening of the inner container is lower than the height of the opening of the upper end of the outer container when it is stored in the outer container, and the lid is fitted with packing that adheres to the inner peripheral surface of the outer container. It has a different structure.

この構成の食品保温容器では、外容器に内容器を入れるか入れないかの選択によって、収容する食品の容量を変えることができる。また、食品を入れた内容器を電子レンジで加熱してから外容器に収納することによって、保温効果を長く持続させることができる。 In the food heat insulating container of this structure, the capacity of the food to be contained can be changed by selecting whether the inner container is put in the outer container or not. In addition, by heating the inner container containing the food in the microwave oven and then storing it in the outer container, the heat retaining effect can be maintained for a long time.

しかし、特許文献1の食品保温容器は、食品として米飯を収容するのに好適であるが、液状の食品を収容するのには適さない。これは、止水が蓋体と外容器との間でしかできない構成であるので、内容器を使用したときに十分な止水ができないからである。 However, the food heat insulation container of Patent Document 1 is suitable for containing cooked rice as food, but is not suitable for containing liquid food. This is because the water can be stopped only between the lid and the outer container, so that the water cannot be sufficiently stopped when the inner container is used.

特開2007−330574号公報JP, 2007-330574, A

そこでこの発明は、内容器の使用の有無にかかわりなく、十分な止水を可能とすることを主な目的とする。 Therefore, the main object of the present invention is to enable sufficient water stoppage regardless of whether or not the inner container is used.

そのための手段は、容器内に収容された食品を保温する食品保温容器であって、前記容器として、断熱性を有する外容器と、該外容器の内部に選択的に着脱可能に収納される合成樹脂製の内容器を備えるとともに、前記外容器の上端部に外嵌合する蓋体を備え、前記蓋体が、前記外容器の上端部に螺合する嵌合筒部を有する円環状の本体部材と、前記本体部材の内周側に着脱可能に取り付けられる栓部材を有するとともに、前記栓部材として、前記蓋体を前記外容器に嵌合したときに前記外容器の内側に収まっている前記内容器の上部内周面に密着するシール部を有した内容器シール型栓部材と、前記蓋体を前記外容器に嵌合したときに前記内容器なしの前記外容器の上部内周面に密着するシール部を有した外容器シール型栓部材を備えた食品保温容器である。 Means therefor is a food heat-insulating container for keeping the food contained in a container warm, and as the container, an outer container having heat insulating properties and a synthetic material selectively and removably housed inside the outer container. An annular main body that includes an inner container made of resin, a lid body that is externally fitted to the upper end portion of the outer container, and the lid body has a fitting cylinder portion that is screwed into the upper end portion of the outer container. A member and a plug member detachably attached to the inner peripheral side of the main body member, and as the plug member, the lid member is accommodated inside the outer container when the lid body is fitted to the outer container. An inner-container-sealing-type plug member having a sealing portion that closely adheres to the upper inner peripheral surface of the inner container, and an upper inner peripheral surface of the outer container without the inner container when the lid is fitted to the outer container. It is a food heat insulation container provided with an outer container seal type stopper member having a sealing portion that adheres closely .

この構成では、蓋体は容器としての外容器の上端部に外嵌合するので、内容器の有無にかかわりなく容器は閉塞される。そして、食品を内容器に収容してから内容器を外容器に収容する場合でも、内容器なしに食品を直接外容器に収容する場合でも、蓋体のシール部が内容器や外容器の上部内周面に密着する。 In this configuration, since the lid body is externally fitted to the upper end portion of the outer container as a container, the container is closed regardless of the presence or absence of the inner container. And, even when the food is stored in the inner container and then the inner container is stored in the outer container, or when the food is directly stored in the outer container without the inner container, the seal portion of the lid body is the upper part of the inner container or the outer container. It adheres to the inner surface.

この発明によれば、食品を収容している容器が内容器である場合でも外容器である場合でも、その上部内周面で止水できるようにシール部を設けているので、内容器の使用の有無にかかわりなく、十分な止水を可能とすることができる。このため、収容する食品がスープなどの液状のものであっても、容量の変更や保温持続性の向上が行える。 According to this invention, whether the container containing the food is the inner container or the outer container, the seal portion is provided so that water can be stopped at the upper inner peripheral surface thereof. It is possible to sufficiently stop the water regardless of the presence or absence of water. Therefore, even if the food to be stored is liquid such as soup, the capacity can be changed and the heat retention can be improved.

スープジャーの縦断面図。Vertical sectional view of the soup jar. スープジャーの分解斜視図。An exploded perspective view of a soup jar. 蓋体の分解状態の一部断面正面図。The partial cross section front view of the disassembly state of a lid. 蓋体の分解状態の一部断面正面図。The partial cross section front view of the disassembly state of a lid. 内容器を外して使用する場合のスープジャーの縦断面図。The longitudinal cross-sectional view of the soup jar when the inner container is removed and used. 他の例に係る蓋体の縦断面図。The longitudinal cross-sectional view of the lid which concerns on another example. 図6に示した蓋体の板ばね部材と下側本体部の平面図。FIG. 7 is a plan view of the leaf spring member and the lower main body portion of the lid body shown in FIG. 6. 図6に示した蓋体を取り付けて内容器を外して使用する場合のスープジャーの縦断面図。FIG. 7 is a vertical cross-sectional view of a soup jar when the lid shown in FIG. 6 is attached and the inner container is removed for use. 図6に示した蓋体を取り付けて内容器を付けて使用する場合のスープジャーの縦断面図。FIG. 7 is a vertical cross-sectional view of a soup jar when the lid shown in FIG. 6 is attached and an inner container is attached.

この発明を実施するための一形態を、以下図面を用いて説明する。
容器内に収容された食品を保温する食品保温容器の一例として、液状の食品を収納できる所謂スープジャー11の縦断面図を図1に示す。液状食品は熱い食品のほか、冷たい食品であってもよい。
An embodiment for carrying out the present invention will be described below with reference to the drawings.
FIG. 1 is a vertical cross-sectional view of a so-called soup jar 11 that can store a liquid food as an example of a food heat insulating container that keeps the food contained in the container. The liquid food may be hot food or cold food.

スープジャー11は、図2にも示したように、容器12として、断熱性を有する外容器12aと、外容器12aの内部に選択的に着脱可能に収納される合成樹脂製の内容器12bを備えるとともに、外容器12aの上端部に外嵌合する蓋体13を備える。 As shown in FIG. 2, the soup jar 11 includes, as the container 12, an outer container 12a having a heat insulating property and an inner container 12b made of synthetic resin selectively and detachably housed inside the outer container 12a. In addition to the above, a lid 13 that is externally fitted to the upper end of the outer container 12a is provided.

外容器12aは、金属製の真空断熱容器からなる有底円筒状で、上端に開口を有する。外容器12aの上端部は、それより下の部位よりも壁の厚さが薄く形成されて、外周面には蓋体13が嵌る外周小径部21を、内周面には内周大径部22を有している。 The outer container 12a has a bottomed cylindrical shape made of a metal vacuum heat insulating container and has an opening at the upper end. The upper end portion of the outer container 12a has a wall thickness smaller than that of the lower portion, and an outer peripheral small diameter portion 21 into which the lid 13 is fitted and an inner peripheral large diameter portion on the inner peripheral surface. 22.

外周小径部21の直径は、蓋体13が嵌ったときに外周小径部21よりも下の部分と蓋体13の外周面を略面一にする大きさで、蓋体13を螺合する雄ねじ23を有する。内周大径部22は略垂直に形成され、内周大径部22の下方には、それよりも下の部位をさらに小径にする傾斜面24を有する。傾斜面24は内周側斜め下に延びるシールのための部分である。 The diameter of the outer peripheral small-diameter portion 21 is such that a portion below the outer peripheral small-diameter portion 21 and the outer peripheral surface of the lid body 13 are substantially flush with each other when the lid body 13 is fitted, and a male screw for screwing the lid body 13 together. Have 23. The inner peripheral large-diameter portion 22 is formed substantially vertically, and has an inclined surface 24 below the inner peripheral large-diameter portion 22 so that the portion below the inner peripheral large-diameter portion 22 has a smaller diameter. The inclined surface 24 is a portion for sealing that extends obliquely downward on the inner peripheral side.

内容器12bは、有底円筒状で、上端に開口を有し、上端部を除いた部分が外容器12aの内部に収まる形状である。上端部には、外容器12aの上端開口縁25に乗る上端縁部26が形成されている。上端縁部26の外周側下面には、上端開口縁25に係止する係止段部26aが形成され、上端縁部26は全体として短円筒状に形成されている。上端縁部26の外径は、外周小径部21の雄ねじ23の谷よりも内周側に収まる大きさである。また上端縁部26の外周面には、上下方向の中間部で内側に凹むくびれ部26bが全周にわたって形成されている。 The inner container 12b has a cylindrical shape with a bottom, has an opening at the upper end, and has a shape in which the part excluding the upper end is contained inside the outer container 12a. An upper end edge portion 26 that rides on the upper end opening edge 25 of the outer container 12a is formed at the upper end portion. On the outer peripheral side lower surface of the upper end edge portion 26, a locking step portion 26a that locks to the upper end opening edge 25 is formed, and the upper end edge portion 26 is formed in a short cylindrical shape as a whole. The outer diameter of the upper end edge portion 26 is a size that fits inside the valley of the male screw 23 of the outer peripheral small diameter portion 21. On the outer peripheral surface of the upper edge portion 26, a constricted portion 26b that is recessed inward is formed over the entire circumference at an intermediate portion in the vertical direction.

内容器12bにおける上端縁部26よりも下であって、外容器12aの内周大径部22に対応する位置には、内周大径部22との間でシールするパッキン27が取り付けられている。このパッキン27位置よりも下で、外容器12aの傾斜面24に対応する部位には、その傾斜面24と同様のシールのための傾斜面28が形成されている。 Below the upper end edge portion 26 of the inner container 12b, at a position corresponding to the inner peripheral large diameter portion 22 of the outer container 12a, a packing 27 that seals with the inner peripheral large diameter portion 22 is attached. There is. Below the position of the packing 27, an inclined surface 28 for sealing similar to the inclined surface 24 is formed at a portion corresponding to the inclined surface 24 of the outer container 12a.

蓋体13は、合成樹脂製の本体部材31と、図2に示したように本体部材31に着脱可能な合成樹脂製の栓部材32で構成される。本体部材31は外容器12aの上端部の外周小径部21に嵌る嵌合筒部33を有し、嵌合筒部33の内周面には外容器12aの雄ねじ23に螺合する雌ねじ34が形成されている。嵌合筒部33は上端に、内周方向に広がる円環状の上面部35を有し、上面部35の内周縁は平面視円形である。 The lid 13 is composed of a main body member 31 made of synthetic resin and a stopper member 32 made of synthetic resin that can be attached to and detached from the main body member 31 as shown in FIG. The main body member 31 has a fitting tubular portion 33 that fits into the outer peripheral small diameter portion 21 of the upper end portion of the outer container 12a, and an internal thread 34 that engages with the male screw 23 of the outer container 12a is provided on the inner circumferential surface of the fitting tubular portion 33. Has been formed. The fitting cylinder portion 33 has an annular upper surface portion 35 that extends in the inner circumferential direction at the upper end, and the inner peripheral edge of the upper surface portion 35 is circular in plan view.

本体部材31における上面部35の内周側には、平面視円弧状の規制片36が隙間をあけて複数垂設されている。これら規制片36は、すべてつなぐと平面視円形になるように大きさや形状が設定されている。間欠形成された複数の規制片36のうち少なくとも2個の内周面には、水平方向にのびる突条36aが形成されている。 On the inner peripheral side of the upper surface portion 35 of the main body member 31, a plurality of regulating pieces 36 arcuate in a plan view are vertically provided with a gap. The size and shape of these restricting pieces 36 are set so that they are circular when viewed from the top when they are all connected. A ridge 36a extending in the horizontal direction is formed on at least two inner peripheral surfaces of the plurality of intermittently formed restriction pieces 36.

栓部材32は、図3に示したように、平面視円形に配設された規制片36の内側に嵌る短円柱状の嵌合部37と、嵌合部37よりも大径の短円柱状をなす本体部38と、本体部38の下端外周に設けられ食品を収容している容器12の上部内周面、つまり図3の例では傾斜面28に密着するシール部39(39b)を有している。栓部材32から分離できるのはシール部39だけであり、その他の部分は一体化されている。 As shown in FIG. 3, the plug member 32 has a short cylindrical fitting portion 37 that fits inside a restriction piece 36 that is arranged in a circular shape in plan view, and a short cylindrical shape that has a diameter larger than that of the fitting portion 37. 3 and a seal portion 39 (39b) which is provided on the outer periphery of the lower end of the main body portion 38 and is in close contact with the upper inner peripheral surface of the container 12 containing food, that is, the inclined surface 28 in the example of FIG. doing. Only the seal portion 39 can be separated from the plug member 32, and the other portions are integrated.

嵌合部37は、本体部材31に嵌めたときに上端面が本体部材31と面一になる高さであり、嵌合部37の上面は若干凹曲面に形成されている。嵌合部37の規制片36の突条36aに対応する位置には、突条36aが係合する係合溝37aが全周にわたって形成されている。図3中、本体部材31の規制片36における36bは縦にのびるリブであるが、これに係合する部分は嵌合部37にはなく、栓部材32は本体部材31に対して相対回転可能である。 The fitting portion 37 has a height such that the upper end surface thereof is flush with the body member 31 when fitted to the body member 31, and the upper surface of the fitting portion 37 is formed in a slightly concave curved surface. An engaging groove 37a with which the protrusion 36a engages is formed at the position corresponding to the protrusion 36a of the restriction piece 36 of the fitting portion 37 over the entire circumference. In FIG. 3, 36b of the restricting piece 36 of the main body member 31 is a rib extending vertically, but there is no part that engages with this in the fitting portion 37, and the plug member 32 is rotatable relative to the main body member 31. Is.

本体部38は、本体部材31の規制片36の下端を受ける受け部38aを上面に有し、本体部38の高さは、蓋体13を外容器12aに嵌めたときに下端のシール部39を容器12の傾斜面24,28に密着させる大きさに設定されている。 The main body portion 38 has a receiving portion 38a on the upper surface for receiving the lower end of the regulation piece 36 of the main body member 31, and the height of the main body portion 38 is such that the seal portion 39 at the lower end when the lid 13 is fitted into the outer container 12a. The size is set so as to closely contact the inclined surfaces 24 and 28 of the container 12.

栓部材32は、図4に示したように2種類備えられ、使用に際して必要に応じて選択される。すなわち、シール部39が内容器12bに密着する内容器シール部39b、または外容器12aに密着する外容器シール部39aであり、2種類の栓部材32は、嵌合部37の形状は同一であるが、本体部38の径と高さ、シール部39の径において、大きさが相違する。 As shown in FIG. 4, two types of plug members 32 are provided, and they are selected as needed in use. That is, the seal portion 39 is the inner container seal portion 39b that closely adheres to the inner container 12b or the outer container seal portion 39a that closely adheres to the outer container 12a. The two types of plug members 32 have the same fitting portion 37 shape. However, the sizes are different in the diameter and height of the main body portion 38 and the diameter of the seal portion 39.

具体的には、図1に示したように蓋体13を外容器12aに嵌合したときに、内容器12bの傾斜面28に密着する内容器シール部39bを備えた内容器シール型栓部材32bと、図5に示したように外容器12aの傾斜面24に密着する外容器シール部39aを備えた外容器シール型栓部材32aを備える。 Specifically, as shown in FIG. 1, when the lid 13 is fitted into the outer container 12a, the inner container seal-type plug member is provided with the inner container seal portion 39b that is in close contact with the inclined surface 28 of the inner container 12b. 32b, and an outer container seal type plug member 32a having an outer container seal portion 39a that comes into close contact with the inclined surface 24 of the outer container 12a as shown in FIG.

栓部材32は、図6に示したように、外容器12aに密着するとともに内容器12bにも密着するシール部39を有する構成にしてもよい。つまり栓部材32は、シール部39を上下動させる上下動機構または本体部38が上下に伸縮させる伸縮機構を備えた構造である。 As shown in FIG. 6, the plug member 32 may be configured to have a seal portion 39 that is in close contact with the outer container 12a and also in close contact with the inner container 12b. That is, the plug member 32 has a structure including a vertical movement mechanism for vertically moving the seal portion 39 or an expansion/contraction mechanism for vertically expanding and contracting the main body portion 38.

この栓部材32の嵌合部37は前述と同様に形成されるが、本体部38は上下に二分割形成されており、上側本体部41と下側本体部42を有する。上側本体部41は下面の中央部に、下方に突出する平面視円形の嵌合凸部43を有する。下側本体部42は、全体として略円板状に形成され、上側本体部41の嵌合凸部43が嵌る嵌合凹部44と、これより外周側に位置してシール部39を構成するパッキンを取り付ける外周縁部45を有する。 The fitting portion 37 of the plug member 32 is formed in the same manner as described above, but the body portion 38 is vertically divided into two parts and has an upper body portion 41 and a lower body portion 42. The upper body portion 41 has a fitting convex portion 43 that projects downward and is circular in a plan view at the center of the lower surface. The lower main body portion 42 is formed in a substantially disc shape as a whole, and has a fitting concave portion 44 into which the fitting convex portion 43 of the upper main body portion 41 fits, and a packing that is positioned on the outer peripheral side of the fitting concave portion 44 and constitutes the seal portion 39. Has an outer peripheral edge portion 45 for mounting.

これら上側本体部41と下側本体部42は、板ばね部材46で分離可能に結合されている。板ばね部材46は可撓性を有する合成樹脂で形成され、図7に示したように、平面視十字状であり、4本の各ばね部47がそれぞれ同様に湾曲形成されている。ばね部47の湾曲形状は、板ばね部材46の中央部48から上下方向で離れる方向に斜めにのびて、その先を外周側で上下方向の戻る方向に滑らかに曲がる形状である。 The upper body portion 41 and the lower body portion 42 are separably coupled by a leaf spring member 46. The leaf spring member 46 is formed of a flexible synthetic resin, has a cross shape in a plan view, and has four spring portions 47 similarly curved as shown in FIG. The curved shape of the spring portion 47 is a shape that extends obliquely in the direction away from the central portion 48 of the leaf spring member 46 in the vertical direction, and smoothly bends the tip in the vertical return direction on the outer peripheral side.

板ばね部材46の中央部48には取付け用の貫通穴48aが形成され、各ばね部47には長手方向に沿ってスリット47aが形成されている。貫通穴48aは、上側本体部41の嵌合凸部43の中央から垂設され先端に抜け止め頭部を有した上側突起43aが着脱可能に取り付けられる部分である。スリット47aは、下側本体部42の嵌合凹部44の上面における4本のばね部47に対応する位置に配設され先端に抜け止め頭部を有した下側突起44aが着脱可能に取り付けられる部分である。下側本体部42の上下動に伴って、下側突起44aはスリット47a内を相対移動可能である。 A through hole 48a for attachment is formed in the central portion 48 of the leaf spring member 46, and a slit 47a is formed in each spring portion 47 along the longitudinal direction. The through hole 48a is a portion to which the upper protrusion 43a, which is vertically provided from the center of the fitting convex portion 43 of the upper body 41 and has a retaining head at the tip, is detachably attached. The slit 47a is disposed at a position corresponding to the four spring portions 47 on the upper surface of the fitting recess 44 of the lower body portion 42, and the lower protrusion 44a having a retaining head at the tip is detachably attached. It is a part. With the vertical movement of the lower body portion 42, the lower protrusion 44a can relatively move within the slit 47a.

このように構成された栓部材32は、板ばね部材46の付勢力によって下側本体部42が下方に付勢される。本体部38におけるシール部39の高さは、板ばね部材46が付勢力を発揮する範囲において、図8に示したように外容器12aの傾斜面24に密着する高さより低い高さから、図9に示したように内容器12bの傾斜面に密着する上限位置まで上下動するように設定されている。 In the thus configured plug member 32, the lower body portion 42 is biased downward by the biasing force of the leaf spring member 46. The height of the seal portion 39 in the main body portion 38 is lower than the height at which the leaf spring member 46 is in contact with the inclined surface 24 of the outer container 12a as shown in FIG. As shown in FIG. 9, it is set so as to move up and down to the upper limit position in which the inner container 12b is in close contact with the inclined surface.

以上のような構成のスープジャー11は、次のように使用される。 The soup jar 11 having the above configuration is used as follows.

まず、図4に示したように外容器シール型栓部材32aと内容器シール型栓部材32bの2つの栓部材32を備えた蓋体13を有するスープジャー11の場合を説明する。 First, the case of the soup jar 11 having the lid 13 provided with the two plug members 32 of the outer container seal type plug member 32a and the inner container seal type plug member 32b as shown in FIG. 4 will be described.

収容する液状食品の容量を増やしたい場合には、内容器12bを外容器12aから出して、外容器12aに直接、食品を収容する。内容器12bは外容器12aの上端開口縁25に乗る上端縁部26を有するので、外容器12aからの取外しが容易に行える。この場合に使用する蓋体13は、本体部材31に栓部材32として外容器シール型栓部材32aを取り付けたものとする。 When it is desired to increase the capacity of the liquid food to be stored, the inner container 12b is taken out from the outer container 12a and the food is directly stored in the outer container 12a. Since the inner container 12b has the upper end edge portion 26 that rides on the upper end opening edge 25 of the outer container 12a, it can be easily removed from the outer container 12a. The lid 13 used in this case has an outer container seal type plug member 32a attached to the main body member 31 as the plug member 32.

本体部材31から栓部材32を取り外すには、本体部材31の上面の中央部に露出している栓部材32の嵌合部37の上面を押さえれば、規制片36が弾性変位して突条36aと係合溝37aとの係合が外れるので簡単である。栓部材32の取り付け状態においては、栓部材32の上面と本体部材31の上面が面一であるうえに、本体部材31の上面が凹曲面を有するので、故意に外さない限り外れることはない。 To remove the plug member 32 from the main body member 31, the upper surface of the fitting portion 37 of the plug member 32 exposed at the central portion of the upper surface of the main body member 31 is pressed, and the restricting piece 36 is elastically displaced to cause the protrusion 36a. It is easy because the engagement between the engagement groove 37a and the engagement groove 37a is released. In the attached state of the plug member 32, the top surface of the plug member 32 and the top surface of the main body member 31 are flush with each other, and the top surface of the main body member 31 has a concave curved surface, so that it does not come off unless intentionally removed.

栓部材32の取り付けは、本体部材31の規制片36の内周側に対して栓部材32の嵌合部37を下から嵌めて行う。栓部材32を押し込むと、規制片36の突条36aが係合溝37aに係合する。係合溝37aは全周に形成されているので、本体部材31と栓部材32の周方向での位置関係に関係なく嵌めることができるので容易である。 The plug member 32 is attached by fitting the fitting portion 37 of the plug member 32 from below to the inner peripheral side of the restriction piece 36 of the main body member 31. When the plug member 32 is pushed in, the protrusion 36a of the restriction piece 36 engages with the engagement groove 37a. Since the engaging groove 37a is formed on the entire circumference, the engaging groove 37a can be fitted regardless of the positional relationship between the main body member 31 and the plug member 32 in the circumferential direction, which is easy.

外容器シール型栓部材32aを取り付けた蓋体13を外容器12aに嵌めると、図5に示したように、栓部材32のシール部39(外容器シール部39a)が外容器12aの上部内周面の傾斜面24に密着して変形し、止水を行う。蓋体13は外容器12aに対して外嵌合する構成であるので、内容器12bの有無にかかわらず容器12の閉塞が行える。 When the lid body 13 to which the outer container seal type plug member 32a is attached is fitted to the outer container 12a, as shown in FIG. 5, the seal portion 39 (outer container seal portion 39a) of the plug member 32 is inside the upper portion of the outer container 12a. The inclined surface 24 of the peripheral surface is intimately deformed to stop water. Since the lid 13 is configured to be fitted over the outer container 12a, the container 12 can be closed regardless of the presence or absence of the inner container 12b.

収容する液状食品の容量は増やさなくてもよいが、食品が高温である時間を長く維持したい場合には、食品を内容器12bに入れてから電子レンジで加熱し、加熱後の内容器12bを外容器12aに収容して、蓋体13を被せる。内容器12bを外容器12aに収容するときには、内容器12bの上端縁部26を持つことで容易に行える。上端縁部26にはくびれ部26bを形成したので持ちやすい。この場合に使用する蓋体13は、本体部31に栓部材32として内容器シール型栓部材32bを取り付けたものとする。 Although it is not necessary to increase the capacity of the liquid food to be stored, if it is desired to maintain the temperature of the food at a high temperature for a long time, the food is put in the inner container 12b and then heated in a microwave oven, and the inner container 12b after heating is heated. It is housed in the outer container 12a and covered with the lid 13. The inner container 12b can be easily accommodated in the outer container 12a by holding the upper edge portion 26 of the inner container 12b. Since the upper end edge portion 26 has the constricted portion 26b, it is easy to hold. In the lid 13 used in this case, the inner container seal type plug member 32b is attached to the main body 31 as the plug member 32.

内容器シール型栓部材32bを取り付けた蓋体13を外容器12aに嵌めると、図1に示したように、栓部材32のシール部39(内容器シール部39b)が内容器12bの上部内周面の傾斜面28に密着して変形し、止水を行う。 When the lid 13 to which the inner container seal type plug member 32b is attached is fitted to the outer container 12a, as shown in FIG. 1, the seal portion 39 (the inner container seal portion 39b) of the plug member 32 is located inside the upper portion of the inner container 12b. The inclined surface 28 of the peripheral surface is closely contacted and deformed to stop water.

このように、シール部39(外容器シール部39a、内容器シール部39b)は、食品を収容している容器12が内容器12bである場合でも外容器12aである場合も、その上部内周面で止水できる。このため、内容器12bを使用する場合でも使用しない場合でも、十分な止水を可能とすることができる。 As described above, the seal portion 39 (the outer container seal portion 39a, the inner container seal portion 39b) has an upper inner circumference regardless of whether the container 12 containing the food is the inner container 12b or the outer container 12a. Water can be stopped on the surface. Therefore, it is possible to sufficiently stop the water even when the inner container 12b is used or not used.

しかも、内容器12bの有無に応じて行う変更は着脱可能に備えた栓部材32の交換であり、扱いは簡単である。そのうえ、栓部材32の本体部材31に対する取り付けは、突条36aと係合溝37aとの係合であるので、着脱操作は極めて容易に行える。栓部材32は着脱可能であることから、洗浄は行ない易い。 Moreover, the change made depending on the presence or absence of the inner container 12b is the replacement of the plug member 32 provided detachably, and the handling is simple. Moreover, since the attachment of the plug member 32 to the main body member 31 is the engagement of the protrusion 36a and the engagement groove 37a, the attachment/detachment operation can be performed very easily. Since the plug member 32 is removable, it is easy to clean.

蓋体13の栓部材32は本体部材31との間で相対回転するので、熱い食品を収容して内部が負圧になった場合でも、蓋体13の回転は行え、蓋体13の円滑な取り外しができる。 Since the stopper member 32 of the lid 13 rotates relative to the main body member 31, the lid 13 can be rotated even when hot food is contained and the inside becomes negative pressure, and the lid 13 can be smoothly rotated. Can be removed.

つぎに、図6に示したように外容器12aにも内容器12bにも密着するシール部39を有した栓部材32を備えた蓋体13を有するスープジャー11の場合を説明する。 Next, as shown in FIG. 6, the case of the soup jar 11 having the lid body 13 provided with the plug member 32 having the seal portion 39 that is in close contact with both the outer container 12a and the inner container 12b will be described.

収容する液状食品の容量を増やしたい場合には、前述と同様に、内容器12bを外容器12aから出して、外容器12aに直接、食品を収容する。そして、蓋体13を外容器12aに嵌める。 When it is desired to increase the capacity of the liquid food to be stored, the inner container 12b is taken out of the outer container 12a and the food is directly stored in the outer container 12a, as described above. Then, the lid 13 is fitted into the outer container 12a.

蓋体12aを嵌めると、板ばね部材46で下方に付勢された栓部材32の下側本体部42が外容器12aの傾斜面24で押し上げられて、シール部39が外容器12aの傾斜面24に密着して変形し、止水がなされる。 When the lid 12a is fitted, the lower body 42 of the plug member 32, which is biased downward by the plate spring member 46, is pushed up by the inclined surface 24 of the outer container 12a, and the sealing portion 39 is moved to the inclined surface of the outer container 12a. It comes into close contact with 24 and deforms to stop water.

収容する液状食品の容量は増やさなくてもよいが、食品が高温である時間を長く維持したい場合には、前述と同様に、食品を内容器12bに入れてから電子レンジで加熱し、加熱後の内容器12bを外容器12aに収容して、蓋体13を被せる。 Although the capacity of the liquid food to be stored does not have to be increased, if it is desired to maintain the temperature of the food at a high temperature for a long time, the food is put in the inner container 12b and then heated in a microwave oven as described above. The inner container 12b is housed in the outer container 12a and covered with the lid 13.

蓋体13を嵌めると、栓部材32の下側本体部42が板ばね部材46の付勢力に抗して上に押し上げられ、シール部39が内容器12bの傾斜面28に密着して変形し、止水がなされる。 When the lid body 13 is fitted, the lower body portion 42 of the stopper member 32 is pushed up against the biasing force of the leaf spring member 46, and the seal portion 39 is brought into close contact with the inclined surface 28 of the inner container 12b and deformed. , Water is stopped.

このように、シール部39は食品を収容している容器12が内容器12bである場合でも外容器12aである場合も、その上部内周面で止水できる。このため、内容器12bを使用する場合でも使用しない場合でも、十分な止水を可能とすることができる。 In this way, the seal portion 39 can stop water at the upper inner peripheral surface of the container 12 regardless of whether the container 12 containing the food is the inner container 12b or the outer container 12a. Therefore, it is possible to sufficiently stop the water even when the inner container 12b is used or not used.

そのうえ、蓋体13と栓部材32は一つでよいので、栓部材32を付け替える手間を省くことができる。 In addition, since the lid 13 and the plug member 32 may be one, it is possible to save the trouble of replacing the plug member 32.

また前述と同様に、蓋体13の栓部材32は本体部材31との間で相対回転可能であるので、容器12内が負圧になっても蓋体13の円滑な取り外しができる。そのうえ、栓部材32は着脱可能であるとともに、栓部材32の上側本体部41と下側本体部42も分離可能であるので、洗浄しやすい。 Further, similarly to the above, since the plug member 32 of the lid 13 can rotate relative to the main body member 31, the lid 13 can be smoothly removed even if the inside of the container 12 has a negative pressure. In addition, the plug member 32 is removable, and the upper body part 41 and the lower body part 42 of the plug member 32 are also separable, which facilitates cleaning.

この発明の構成と前述の構成との対応において、
この発明の食品保温容器は、前述のスープジャーに対応するも、この発明は前述の構成のみに限定されるものではなく、その他の構成を採用することもできる。
In the correspondence between the configuration of the present invention and the configuration described above,
The food heat insulating container of the present invention corresponds to the soup jar described above, but the present invention is not limited to the above-described configuration, and other configurations can be adopted.

たとえば、図4に示したように外容器シール型栓部材32aと内容器シール型栓部材32bの2つの栓部材32と、図6に示したように外容器12aにも内容器12bにも密着するシール部39を有した栓部材32を備えた蓋体13としてもよい。 For example, as shown in FIG. 4, two plug members 32, an outer container seal type plug member 32a and an inner container seal type plug member 32b, and an outer container 12a and an inner container 12b as shown in FIG. The lid 13 may be provided with the plug member 32 having the sealing portion 39 that operates.

食品保温容器には、液状の食品だけではなく、米飯などの他の状態の食品を収容してもよい。 The food heat insulating container may contain not only liquid food but food in other states such as cooked rice.

蓋体は、ねじを用いた螺合による取り付けのほか、バックル等の留め具で嵌合状態を保持するものであってもよい。 The lid body may be attached by screwing using a screw, or may be retained by a fastener such as a buckle.

11…スープジャー
12…容器
12a…外容器
12b…内容器
13…蓋体
25…上端開口縁
26…上端縁部
32…栓部材
39…シール部
39a…外容器シール部
39b…内容器シール部
11... Soup jar 12... Container 12a... Outer container 12b... Inner container 13... Lid 25... Upper end opening edge 26... Upper edge 32... Plug member 39... Seal part 39a... Outer container seal part 39b... Inner container seal part

Claims (3)

容器内に収容された食品を保温する食品保温容器であって、
前記容器として、断熱性を有する外容器と、該外容器の内部に選択的に着脱可能に収納される合成樹脂製の内容器を備えるとともに、
前記外容器の上端部に外嵌合する蓋体を備え、
前記蓋体が、前記外容器の上端部に螺合する嵌合筒部を有する円環状の本体部材と、前記本体部材の内周側に着脱可能に取り付けられる栓部材を有するとともに、
前記栓部材として、前記蓋体を前記外容器に嵌合したときに前記外容器の内側に収まっている前記内容器の上部内周面に密着するシール部を有した内容器シール型栓部材と、前記蓋体を前記外容器に嵌合したときに前記内容器なしの前記外容器の上部内周面に密着するシール部を有した外容器シール型栓部材を備えた
食品保温容器。
A food heat insulating container for keeping food contained in a container,
As the container, an outer container having a heat insulating property, and an inner container made of synthetic resin selectively and removably housed inside the outer container are provided.
A lid body fitted to the upper end of the outer container,
The lid body has an annular main body member having a fitting tubular portion that is screwed into the upper end portion of the outer container, and a plug member detachably attached to the inner peripheral side of the main body member,
As the stopper member, an inner-container-sealing-type stopper member having a seal portion that comes into close contact with an upper inner peripheral surface of the inner container that is accommodated inside the outer container when the lid is fitted to the outer container. An outer container seal-type plug member having a seal portion that comes into close contact with the upper inner peripheral surface of the outer container without the inner container when the lid is fitted to the outer container container.
前記内容器の上端部に、前記外容器の上端開口縁に乗る上端縁部が形成された
請求項1に記載の食品保温容器。
The food heat insulating container according to claim 1, wherein an upper edge portion that rides on an upper edge opening edge of the outer container is formed at an upper end portion of the inner container.
前記外容器が金属製の真空断熱容器からなるものである
請求項1または請求項2に記載の食品保温容器。
The food heat insulating container according to claim 1 or 2, wherein the outer container is a metal vacuum heat insulating container.
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