JP2020179915A - cap - Google Patents

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JP2020179915A
JP2020179915A JP2019085887A JP2019085887A JP2020179915A JP 2020179915 A JP2020179915 A JP 2020179915A JP 2019085887 A JP2019085887 A JP 2019085887A JP 2019085887 A JP2019085887 A JP 2019085887A JP 2020179915 A JP2020179915 A JP 2020179915A
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wall portion
cylinder
cap
top wall
fitting
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JP7370168B2 (en
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宮入　圭介
Keisuke Miyairi
圭介 宮入
山本　学
Manabu Yamamoto
学 山本
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Yoshino Kogyosho Co Ltd
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Yoshino Kogyosho Co Ltd
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Abstract

To provide a cap in which a spout tube is less likely to be raised when capping.SOLUTION: A cap 1 of the present invention comprises: a cap body 11 mounted to a mouth portion W1 of a container body W; and a topped tubular lid 12 opening and closing an upper surface of the cap body 11, in which the cap body 11 includes: a spout tube 15 having a spout 21 for contents in the container body W therein; a top wall portion 16 on which the spout tube 15 is formed; an outer peripheral wall portion 17 suspended to a lower surface of an outer peripheral edge of the top wall portion 16; a fitting tube portion 18 suspended to a lower surface of the top wall portion 16 inside in a radial direction of the outer peripheral wall 17 and fitted to the mouth portion W1; and a groove portion 19 formed with a wall portion that is continuous with the top wall portion 16 and the fitting tube portion 18 inside in a radial direction of the fitting tube portion 18.SELECTED DRAWING: Figure 2

Description

本発明は、キャップに関する。 The present invention relates to a cap.

例えば下記の特許文献１には、プルリング付きの抜栓部を有する嵌合内筒と嵌合外筒とを有するキャップ本体と、キャップ本体にヒンジを介して一体形成された蓋体と、を備えたキャップが開示されている。 For example, Patent Document 1 below includes a cap body having a fitting inner cylinder and a fitting outer cylinder having a plug-out portion with a pull ring, and a lid body integrally formed with the cap body via a hinge. The cap is disclosed.

実開平６−６１７４７号公報Jikkenhei 6-61747

上記特許文献１のキャップに対して、抜栓部が形成されていないキャップ、いわゆる抜栓レスキャップが従来から知られている。また、キャップ本体の天壁部から上方に突出する注出筒を備えたキャップが従来から知られている。注出筒を備えたキャップにおいては、内容物を注出しやすくする、天壁部への内容物の付着を抑制する等の目的で、注出筒の高さを高くしたキャップが提供されている。 With respect to the cap of Patent Document 1, a cap in which an unplugging portion is not formed, a so-called unplugging-less cap, has been conventionally known. Further, a cap having a pouring cylinder protruding upward from the top wall of the cap body has been conventionally known. For caps equipped with a pouring cylinder, caps having a high pouring cylinder height are provided for the purpose of facilitating pouring of the contents and suppressing adhesion of the contents to the top wall. ..

ところが、この種の抜栓レスキャップでは、抜栓部を有するキャップに比べて、容器本体にキャップを打栓した際に容器口部に圧入される嵌合筒の変形に伴って注出筒が上昇しやすい。このとき、注出筒の高さが低いキャップでは問題とならないが、注出筒の高さが高いキャップの場合は、注出筒が蓋体を押し上げる位置まで上昇する場合がある。その結果、衝撃等により蓋体が外れやすい等の問題があった。 However, in this type of unplugging-less cap, the pouring cylinder rises due to the deformation of the fitting cylinder that is press-fitted into the container mouth when the cap is plugged into the container body, as compared with the cap having the unplugging portion. Cheap. At this time, there is no problem with a cap having a low pouring cylinder height, but in the case of a cap having a high pouring cylinder height, the pouring cylinder may rise to a position where the lid is pushed up. As a result, there is a problem that the lid easily comes off due to an impact or the like.

本発明の一つの態様は、上記の課題を解決するためになされたものであって、打栓時に注出筒が上昇するおそれが少ないキャップの提供を目的の一つとする。 One aspect of the present invention has been made to solve the above-mentioned problems, and one of the objects of the present invention is to provide a cap in which the injection cylinder is less likely to rise at the time of plugging.

上記の目的を達成するために、本発明の一つの態様のキャップは、容器本体の口部に装着されるキャップ本体と、前記キャップ本体の上面を開閉する有頂筒状の蓋体と、を備え、前記キャップ本体は、前記容器本体の内容物の注出孔を内側に有する注出筒と、前記注出筒が形成された天壁部と、前記天壁部の外周縁の下面に垂設された外周壁部と、前記外周壁部の径方向内側において前記天壁部の下面に垂設され、前記口部に嵌合する嵌合筒部と、前記嵌合筒部の径方向内側において前記天壁部と前記嵌合筒部とに連続する壁部によって形成された溝部と、を有する。 In order to achieve the above object, the cap according to one aspect of the present invention includes a cap body attached to the mouth of the container body and a ridged tubular lid that opens and closes the upper surface of the cap body. The cap body is provided so as to hang on a pouring cylinder having a pouring hole for the contents of the container body inside, a top wall portion on which the pouring cylinder is formed, and a lower surface of an outer peripheral edge of the top wall portion. A fitting cylinder portion that is vertically provided on the lower surface of the top wall portion and fits into the mouth portion, and a fitting cylinder portion that is radially inside the outer peripheral wall portion and the fitting cylinder portion. It has a groove portion formed by a wall portion continuous with the top wall portion and the fitting cylinder portion.

本発明の一つの態様のキャップによれば、キャップ本体が、嵌合筒部の径方向内側において天壁部と嵌合筒部とに連続する壁部によって形成された溝部を有しているため、キャップの打栓時に嵌合筒部が容器本体の口部に圧入されて変形したとしても、その変形が溝部の変形によって吸収される。これにより、天壁部のうち、溝部よりも内側の部分に嵌合筒部の変形の影響が伝わりにくく、注出筒の上昇を抑えることができる。 According to the cap of one aspect of the present invention, the cap body has a groove formed by a wall portion continuous with the top wall portion and the fitting cylinder portion on the radial inside of the fitting cylinder portion. Even if the fitting cylinder portion is press-fitted into the mouth portion of the container body and deformed when the cap is plugged, the deformation is absorbed by the deformation of the groove portion. As a result, the influence of the deformation of the fitting cylinder portion is less likely to be transmitted to the portion of the top wall portion inside the groove portion, and the rise of the pouring cylinder can be suppressed.

本発明の一つの態様のキャップにおいて、前記壁部は、前記嵌合筒部の径方向内側に設けられた内周筒部を有し、前記内周筒部の下端と前記嵌合筒部の下端とが一体に連結されて前記溝部が形成されていてもよい。 In the cap according to one aspect of the present invention, the wall portion has an inner peripheral cylinder portion provided radially inside the fitting cylinder portion, and the lower end of the inner peripheral cylinder portion and the fitting cylinder portion. The groove may be formed by being integrally connected to the lower end.

この構成によれば、内周筒部と嵌合筒部とによって溝部が形成されるため、嵌合筒部とは別に壁部を設ける必要がなく、キャップ本体の構成を簡略化できる。また、溝部の一部が嵌合筒部で構成されるため、嵌合筒部の変形が溝部によって直接吸収され、注出筒の上昇が効果的に抑制される。 According to this configuration, since the groove portion is formed by the inner peripheral cylinder portion and the fitting cylinder portion, it is not necessary to provide a wall portion separately from the fitting cylinder portion, and the configuration of the cap body can be simplified. Further, since a part of the groove portion is composed of the fitting cylinder portion, the deformation of the fitting cylinder portion is directly absorbed by the groove portion, and the ascending of the pouring cylinder is effectively suppressed.

本発明の一つの態様のキャップにおいて、前記注出筒は、上面視において、前記天壁部の中心から偏心した位置に設けられていてもよい。 In the cap of one aspect of the present invention, the dispensing cylinder may be provided at a position eccentric from the center of the top wall portion in a top view.

注出筒が上面視において天壁部の中心から偏心した位置に設けられている場合、注出筒が上面視において天壁部の中心に設けられている場合に比べて、嵌合筒部の変形に伴って注出筒が上昇しやすくなる。その場合であっても、上記の構成によれば、注出筒の上昇を効果的に抑えることができる。 When the dispensing cylinder is provided at a position eccentric from the center of the top wall in the top view, the fitting cylinder portion is compared with the case where the dispensing cylinder is provided in the center of the top wall in the top view. The pouring cylinder tends to rise as it deforms. Even in that case, according to the above configuration, the rise of the dispenser can be effectively suppressed.

本発明の一つの態様のキャップにおいて、前記天壁部は、前記天壁部の外周側から前記注出筒に向かって上方に傾斜した傾斜壁部を有していてもよい。 In the cap of one aspect of the present invention, the top wall portion may have an inclined wall portion inclined upward from the outer peripheral side of the top wall portion toward the injection cylinder.

この構成によれば、注出筒の上端を高い位置に配置しても、天壁部が傾斜壁部を有していない場合に比べて、注出筒のうち、天壁部の上方に突出する部分の寸法を短くすることができる。これにより、注出筒が天壁部に安定して支持され、注出筒の破損のおそれを少なくすることができる。 According to this configuration, even if the upper end of the pouring cylinder is arranged at a high position, the top wall portion of the pouring cylinder protrudes upward of the top wall portion as compared with the case where the top wall portion does not have the inclined wall portion. The size of the part to be used can be shortened. As a result, the dispensing cylinder is stably supported by the top wall portion, and the risk of damage to the dispensing cylinder can be reduced.

本発明の一つの態様によれば、打栓時に注出筒が上昇するおそれが少ないキャップを提供できる。 According to one aspect of the present invention, it is possible to provide a cap in which the pouring cylinder is less likely to rise at the time of tapping.

本発明の一実施形態のキャップの上面図である。It is a top view of the cap of one Embodiment of this invention. 閉蓋時のキャップの縦断面図である。It is a vertical cross-sectional view of a cap when the lid is closed.

以下、本発明の一実施形態について、図１および図２を用いて説明する。
図１に示すように、本実施形態のキャップ１は、容器本体Ｗの口部Ｗ１に装着される筒状のキャップ本体１１と、キャップ本体１１の上面を開閉する有頂筒状の蓋体１２と、キャップ本体１１と蓋体１２とを連結するヒンジ部１３と、を備えている。キャップ１は、後述する注出孔を閉塞する除去可能な抜栓部を有していないキャップ、いわゆる抜栓レスキャップである。 Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 and 2.
As shown in FIG. 1, the cap 1 of the present embodiment has a tubular cap body 11 attached to the mouth portion W1 of the container body W and a climax tubular lid 12 that opens and closes the upper surface of the cap body 11. And a hinge portion 13 for connecting the cap body 11 and the lid body 12. The cap 1 is a so-called unplugging-less cap that does not have a removable plug-out portion that closes the injection hole described later.

容器本体Ｗは、例えば胴部の上端に設けられた円筒状の口部Ｗ１を有している。容器本体Ｗは、例えばポリエチレン、ポリプロピレン等の弾性を有する合成樹脂から構成されており、スクイズ変形が可能であり、復元変位が可能な可撓性を有している。 The container body W has, for example, a cylindrical mouth portion W1 provided at the upper end of the body portion. The container body W is made of an elastic synthetic resin such as polyethylene or polypropylene, and has flexibility that allows squeeze deformation and restoration displacement.

キャップ本体１１と蓋体１２とは、共通軸と同軸に配置されている。以下、この共通軸をキャップ軸Ｏと称し、キャップ軸Ｏに沿う方向であって、キャップ本体１１の後述する天壁部１６の側を上側と称し、キャップ本体１１の後述する外周壁部１７の開放端側を下側と称する。キャップ軸Ｏに沿う方向（上下方向）から見て、キャップ軸Ｏに交差する方向を径方向と称し、キャップ軸Ｏ回りに周回する方向を周方向と称する。 The cap body 11 and the lid body 12 are arranged coaxially with the common shaft. Hereinafter, this common shaft is referred to as a cap shaft O, and the side of the top wall portion 16 described later of the cap body 11 is referred to as an upper side in a direction along the cap shaft O, and the outer peripheral wall portion 17 of the cap body 11 described later is referred to. The open end side is referred to as the lower side. The direction that intersects the cap axis O when viewed from the direction along the cap axis O (vertical direction) is referred to as the radial direction, and the direction that orbits around the cap axis O is referred to as the circumferential direction.

図２に示すように、キャップ本体１１は、注出筒１５と、天壁部１６と、外周壁部１７と、嵌合筒部１８と、溝部１９と、を有している。 As shown in FIG. 2, the cap main body 11 has a pouring cylinder 15, a top wall portion 16, an outer peripheral wall portion 17, a fitting cylinder portion 18, and a groove portion 19.

注出筒１５は、容器本体Ｗの内容物の注出孔２１を内部に有し、天壁部１６と一体に形成されている。注出筒１５は、上端が天壁部１６の上面よりも高い位置に配置され、下端が天壁部１６の下面よりも低い位置に配置されている。このように、注出筒１５が天壁部１６を貫通して形成されていることにより、注出孔２１は天壁部１６を上下方向に貫通している。注出筒１５の上端は外側に向かって開いた形状となっており、内容物を円滑に注出しやすくなっている。 The pouring cylinder 15 has a pouring hole 21 for the contents of the container body W inside, and is integrally formed with the top wall portion 16. The upper end of the dispensing cylinder 15 is arranged at a position higher than the upper surface of the top wall portion 16, and the lower end is arranged at a position lower than the lower surface of the top wall portion 16. As described above, since the dispensing cylinder 15 is formed so as to penetrate the top wall portion 16, the dispensing hole 21 penetrates the top wall portion 16 in the vertical direction. The upper end of the dispensing cylinder 15 has a shape that opens outward, making it easy to smoothly dispense the contents.

注出筒１５の下部は、上方から下方に向けて縮径したテーパ形状を有している。注出筒１５の下端には、弁２３が形成されている。本実施形態の弁２３は、弁体２４の一部が注出筒１５の下端と一箇所で連結された一点弁で構成されている。注出筒１５の内周面の弁２３の上方、かつ、後述するシール筒の下方にあたる位置に、注出孔２１の内側に向けて突出する整流壁部２５が形成されている。整流壁部２５は、先端側が上方に向けて傾いている。整流壁部２５は、注出筒１５の内周面において、周方向に連続して環状に形成されていてもよいし、周方向の１個所または複数個所で途切れていてもよい。 The lower portion of the dispensing cylinder 15 has a tapered shape whose diameter is reduced from the upper side to the lower side. A valve 23 is formed at the lower end of the dispensing cylinder 15. The valve 23 of the present embodiment is composed of a one-point valve in which a part of the valve body 24 is connected to the lower end of the pouring cylinder 15 at one place. A rectifying wall portion 25 projecting inward of the injection hole 21 is formed at a position above the valve 23 on the inner peripheral surface of the injection cylinder 15 and below the seal cylinder described later. The tip side of the rectifying wall portion 25 is tilted upward. The rectifying wall portion 25 may be continuously formed in an annular shape in the circumferential direction on the inner peripheral surface of the pouring cylinder 15, or may be interrupted at one or a plurality of locations in the circumferential direction.

本実施形態のキャップ１を備えた容器から内容物を注出する際には、使用者は、蓋体１２を開いて容器を傾倒させ、容器本体Ｗの胴部をスクイズする。このとき、容器本体Ｗの内部圧力の上昇および内容物の自重により、弁体２４が揺動して流路断面積が増加し、内容物が注出筒１５の下端と弁体２４との隙間を通って外部に流出する。このように、弁体２４が注出孔２１の一部を閉塞するため、流動抵抗が増加し、低粘度の内容物であっても、流出する内容物の勢いを抑制できる。したがって、内容物が注出筒１５から広角に飛び散ることが抑制され、内容物を整流状態で注出することができる。 When pouring out the contents from the container provided with the cap 1 of the present embodiment, the user opens the lid 12 to tilt the container and squeeze the body of the container body W. At this time, due to the increase in the internal pressure of the container body W and the weight of the contents, the valve body 24 swings to increase the cross-sectional area of the flow path, and the contents are in the gap between the lower end of the pouring cylinder 15 and the valve body 24. It flows out through. In this way, since the valve body 24 closes a part of the injection hole 21, the flow resistance increases, and even if the content has a low viscosity, the momentum of the outflowing content can be suppressed. Therefore, it is possible to prevent the contents from scattering from the dispensing cylinder 15 in a wide angle, and the contents can be dispensed in a rectified state.

ところが、一点弁からなる弁２３が用いられた場合、注出筒１５の下端と弁体２４との隙間の幅が周方向の位置によって異なるため、内容物の流速に偏りが生じやすい。その点、本実施形態の場合、注出筒１５の内周面に内側に向けて突出する整流壁部２５が形成されているため、内容物が整流壁部２５によって周方向に撹拌されて流速が均一化され、内容物を整流状態で注出しやすくなる。 However, when the valve 23 made of a one-point valve is used, the width of the gap between the lower end of the dispensing cylinder 15 and the valve body 24 differs depending on the position in the circumferential direction, so that the flow velocity of the contents tends to be biased. In that respect, in the case of the present embodiment, since the rectifying wall portion 25 projecting inward is formed on the inner peripheral surface of the dispensing cylinder 15, the contents are agitated in the circumferential direction by the rectifying wall portion 25 and the flow velocity. Is made uniform, and the contents can be easily poured out in a rectified state.

図１に示すように、注出筒１５は、上面視において、天壁部１６の中心から偏心した位置に形成されている。具体的には、注出筒１５は、上面視において、キャップ軸Ｏを径方向に挟むヒンジ部１３の反対側にずれた位置に形成されている。これにより、使用者が内容物を他の容器に注ぐ際に、他の容器の外周に注出筒１５を近付けやすく、内容物をこぼすことなく注ぎやすい。さらに、注出筒１５は、内容物を注ぎやすくするために、図２に示すように、ヒンジ部１３と反対側の上端がヒンジ部１３の側の上端よりも高く形成されている。 As shown in FIG. 1, the dispensing cylinder 15 is formed at a position eccentric from the center of the top wall portion 16 in a top view. Specifically, the dispensing cylinder 15 is formed at a position shifted to the opposite side of the hinge portion 13 that sandwiches the cap shaft O in the radial direction in the top view. As a result, when the user pours the contents into another container, the pouring cylinder 15 can be easily brought close to the outer circumference of the other container, and the contents can be easily poured without spilling. Further, as shown in FIG. 2, the upper end of the pouring cylinder 15 on the opposite side of the hinge portion 13 is formed higher than the upper end on the side of the hinge portion 13 in order to facilitate pouring of the contents.

図２に示すように、天壁部１６は、天壁部１６の外周側から注出筒１５に向かって上方に傾斜した傾斜壁部２７を有する。傾斜壁部２７は、注出筒１５の周囲を環状に囲んで形成されている。天壁部１６の上面と傾斜壁部２７の傾斜面とがなす角度θを傾斜壁部２７の角度としたとき、傾斜壁部２７の角度θは、例えば４５°〜８０°程度とすることが望ましく、一例として６０°である。傾斜壁部２７の角度θを上記の範囲に設定することにより、上下方向の剛性を確保でき、キャップ１を容器本体Ｗに装着した後の注出筒１５の位置の変化を小さく抑えることができる。 As shown in FIG. 2, the top wall portion 16 has an inclined wall portion 27 that is inclined upward from the outer peripheral side of the top wall portion 16 toward the pouring cylinder 15. The inclined wall portion 27 is formed by enclosing the periphery of the pouring cylinder 15 in an annular shape. When the angle θ formed by the upper surface of the top wall portion 16 and the inclined surface of the inclined wall portion 27 is the angle of the inclined wall portion 27, the angle θ of the inclined wall portion 27 may be, for example, about 45 ° to 80 °. Desirably, 60 ° as an example. By setting the angle θ of the inclined wall portion 27 within the above range, the rigidity in the vertical direction can be ensured, and the change in the position of the pouring cylinder 15 after the cap 1 is attached to the container body W can be suppressed to a small extent. ..

外周壁部１７は、天壁部１６の外周縁の下面に垂設されている。外周壁部１７の下端には、容器本体Ｗの口部Ｗ１にアンダーカット嵌合する嵌合凸部１７ａが設けられている。 The outer peripheral wall portion 17 is vertically provided on the lower surface of the outer peripheral edge of the top wall portion 16. At the lower end of the outer peripheral wall portion 17, a fitting convex portion 17a that undercuts and fits into the mouth portion W1 of the container body W is provided.

嵌合筒部１８は、外周壁部１７の径方向内側において天壁部１６の下面に垂設されている。キャップ１を容器本体Ｗに装着していない状態において、嵌合筒部１８は、口部Ｗ１の内径よりも僅かに大きい外径を有している。キャップ１が容器本体Ｗに装着された際には、嵌合筒部１８が口部Ｗ１の内側に圧入された状態でキャップ１が容器本体Ｗに固定される。 The fitting cylinder portion 18 is vertically provided on the lower surface of the top wall portion 16 inside the outer peripheral wall portion 17 in the radial direction. In a state where the cap 1 is not attached to the container body W, the fitting cylinder portion 18 has an outer diameter slightly larger than the inner diameter of the mouth portion W1. When the cap 1 is attached to the container body W, the cap 1 is fixed to the container body W in a state where the fitting cylinder portion 18 is press-fitted inside the mouth portion W1.

天壁部１６には、嵌合筒部１８の径方向内側において、天壁部１６と嵌合筒部１８とに連続する壁部によって形成され、下方に窪む溝部１９が形成されている。本実施形態の場合、前記壁部として、嵌合筒部１８の径方向内側において、天壁部１６の外周側の一部が下方に向けて垂設された内周筒部２９が形成され、内周筒部２９の下端と嵌合筒部１８の下端とが一体に連結されて溝部１９が形成されている。これにより、内周筒部２９と嵌合筒部１８とが互いに対向し、断面視Ｕ字状の溝部１９が形成されている。本実施形態では、内周筒部２９および嵌合筒部１８のそれぞれが天壁部１６に対して略垂直に屈曲し、内周筒部２９と嵌合筒部１８との互いに対向する面が略平行に配置されている。また、溝部１９の下端部の位置は、注出筒１５の下端部の位置と同程度となっている。 The top wall portion 16 is formed by a wall portion that is continuous with the top wall portion 16 and the fitting cylinder portion 18 on the radial inside of the fitting cylinder portion 18, and a groove portion 19 that is recessed downward is formed. In the case of the present embodiment, as the wall portion, an inner peripheral cylinder portion 29 is formed in which a part of the outer peripheral side of the top wall portion 16 is vertically hung downward on the radial inside of the fitting cylinder portion 18. The lower end of the inner peripheral cylinder portion 29 and the lower end of the fitting cylinder portion 18 are integrally connected to form the groove portion 19. As a result, the inner peripheral cylinder portion 29 and the fitting cylinder portion 18 face each other, and a groove portion 19 having a U-shaped cross section is formed. In the present embodiment, each of the inner peripheral cylinder portion 29 and the fitting cylinder portion 18 is bent substantially perpendicular to the top wall portion 16, and the surfaces of the inner peripheral cylinder portion 29 and the fitting cylinder portion 18 facing each other are formed. They are arranged approximately in parallel. Further, the position of the lower end portion of the groove portion 19 is about the same as the position of the lower end portion of the dispensing cylinder 15.

なお、内周筒部２９および嵌合筒部１８のそれぞれが天壁部１６に対して垂直から傾いた角度に屈曲し、内周筒部２９と嵌合筒部１８との互いに対向する面が平行以外の角度をなしていてもよい。換言すると、例えば断面視Ｖ字状の溝部１９が形成されていてもよい。また、溝部１９の数は必ずしも一つでなくてもよく、径方向に複数の溝部が形成されていてもよい。また、溝部１９の深さについても特に限定されないが、嵌合筒部１８の変形を効果的に吸収するためにはある程度の深さを有することが望ましい。 In addition, each of the inner peripheral cylinder portion 29 and the fitting cylinder portion 18 is bent at an angle inclined from the vertical with respect to the top wall portion 16, and the surfaces of the inner peripheral cylinder portion 29 and the fitting cylinder portion 18 facing each other are formed. The angle may be other than parallel. In other words, for example, a groove portion 19 having a V-shaped cross section may be formed. Further, the number of groove portions 19 does not necessarily have to be one, and a plurality of groove portions may be formed in the radial direction. Further, the depth of the groove portion 19 is not particularly limited, but it is desirable to have a certain depth in order to effectively absorb the deformation of the fitting cylinder portion 18.

天壁部１６の上面において、溝部１９の外側かつ外周壁部１７の内側の位置に、環状の蓋係合部３１が形成されている。蓋係合部３１は、天壁部１６の上面の外周縁から上方に突出し、蓋体１２が閉じられた際に蓋体１２の嵌合凹部３４ｂに嵌合する嵌合凸部３１ａを有する。なお、蓋係合部３１は、天壁部１６に代えて、外周壁部１７に形成されていてもよい。 On the upper surface of the top wall portion 16, an annular lid engaging portion 31 is formed at a position outside the groove portion 19 and inside the outer peripheral wall portion 17. The lid engaging portion 31 has a fitting convex portion 31a that projects upward from the outer peripheral edge of the upper surface of the top wall portion 16 and fits into the fitting recess 34b of the lid body 12 when the lid body 12 is closed. The lid engaging portion 31 may be formed on the outer peripheral wall portion 17 instead of the top wall portion 16.

蓋体１２は、キャップ本体１１の外周壁部１７にヒンジ部１３を介して連結されている。蓋体１２、キャップ本体１１、およびヒンジ部１３は一体に形成されている。蓋体１２は、頂壁部３３と、周壁部３４と、操作突片３５と、シール体３６と、弁押さえ部３７と、を有する。 The lid body 12 is connected to the outer peripheral wall portion 17 of the cap body 11 via a hinge portion 13. The lid body 12, the cap body 11, and the hinge portion 13 are integrally formed. The lid body 12 has a top wall portion 33, a peripheral wall portion 34, an operating protrusion 35, a seal body 36, and a valve holding portion 37.

蓋体１２の周壁部３４の下端部において、キャップ軸Ｏを径方向に挟むヒンジ部１３の反対側に位置する部分に、径方向外側に向けて突出した操作突片３５が形成されている。 At the lower end of the peripheral wall portion 34 of the lid 12, an operation projecting piece 35 projecting outward in the radial direction is formed at a portion located on the opposite side of the hinge portion 13 that sandwiches the cap shaft O in the radial direction.

蓋体１２の周壁部３４は、キャップ本体１１の蓋係合部３１に着脱可能に外嵌されている。周壁部３４の内周面に、蓋係合部３１の嵌合凸部３１ａに嵌合する嵌合凹部３４ｂが形成されている。周壁部３４は、蓋係合部３１の上端開口縁に、周方向の全域にわたって連続して当接している。蓋体１２が蓋係合部３１に嵌合することによって、蓋体１２と天壁部１６の上面との間が開放可能に密封された空間Ｓとなる。 The peripheral wall portion 34 of the lid body 12 is detachably fitted to the lid engaging portion 31 of the cap body 11. A fitting recess 34b that fits into the fitting convex portion 31a of the lid engaging portion 31 is formed on the inner peripheral surface of the peripheral wall portion 34. The peripheral wall portion 34 is in continuous contact with the upper end opening edge of the lid engaging portion 31 over the entire area in the circumferential direction. When the lid body 12 is fitted to the lid engaging portion 31, the space S between the lid body 12 and the upper surface of the top wall portion 16 becomes an openly sealed space S.

シール体３６は、注出孔２１内に着脱可能に嵌合されている。シール体３６は、外周面が注出筒１５の内周面に当接することにより、注出孔２１を解放可能に密封する。シール体３６は、蓋体１２の頂壁部３３から下方に向けて延びるとともに、頂壁部３３と一体に形成されている。シール体３６は、筒状に形成され、キャップ軸Ｏと同軸に配設されている。シール体３６の下端部は、注出筒１５の内周面の整流壁部２５の上方に位置している。なお、シール体３６は、蓋体１２と別体に形成されていてもよい。シール体３６は、筒状に限らず、例えば中実の棒状、またはブロック状等であってもよい。 The seal body 36 is detachably fitted in the injection hole 21. The sealing body 36 seals the pouring hole 21 so that the pouring hole 21 can be released by contacting the outer peripheral surface with the inner peripheral surface of the pouring cylinder 15. The seal body 36 extends downward from the top wall portion 33 of the lid body 12 and is integrally formed with the top wall portion 33. The seal body 36 is formed in a tubular shape and is arranged coaxially with the cap shaft O. The lower end of the seal body 36 is located above the rectifying wall portion 25 on the inner peripheral surface of the dispensing cylinder 15. The seal body 36 may be formed separately from the lid body 12. The seal body 36 is not limited to a tubular shape, and may be, for example, a solid rod shape, a block shape, or the like.

弁押さえ部３７は、蓋体１２の頂壁部３３の下面においてシール体３６と同軸に形成され、頂壁部３３から下方に向けて延在している。弁押さえ部３７の下端は、シール体３６の下端よりも下方に位置し、キャップ本体１１の弁体２４の上方に位置している。弁押さえ部３７は、弁体２４が所定の開度以上に揺動した際に弁体２４に当接し、弁体２４の揺動範囲（開度）を規制する。 The valve holding portion 37 is formed coaxially with the seal body 36 on the lower surface of the top wall portion 33 of the lid body 12, and extends downward from the top wall portion 33. The lower end of the valve holding portion 37 is located below the lower end of the seal body 36 and above the valve body 24 of the cap body 11. The valve holding portion 37 comes into contact with the valve body 24 when the valve body 24 swings by a predetermined opening degree or more, and regulates the swinging range (opening degree) of the valve body 24.

キャップ本体１１の嵌合筒部１８のうち、ヒンジ部１３の側に位置する嵌合筒部１８の外側に、蓋体１２とキャップ本体１１の天壁部１６との間の空間Ｓに連通し、リーク検査時に空間Ｓ内を正圧または負圧にするためのリーク検査用孔３９が形成されている。 Of the fitting cylinder portion 18 of the cap body 11, the outside of the fitting cylinder portion 18 located on the side of the hinge portion 13 communicates with the space S between the lid body 12 and the top wall portion 16 of the cap body 11. A leak inspection hole 39 is formed to create a positive pressure or a negative pressure in the space S at the time of leak inspection.

本実施形態においては、ヒンジ部１３の側に位置する蓋係合部３１の一部が切り欠かれた切欠部４１が形成され、切欠部４１の内側に、嵌合筒部１８の上部に突出する内壁４２が形成されている。これにより、閉蓋時において、切欠部４１と内壁４２との間にリーク検査用孔３９が形成される。 In the present embodiment, a notch 41 is formed in which a part of the lid engaging portion 31 located on the side of the hinge portion 13 is cut out, and protrudes inside the notch 41 and above the fitting cylinder portion 18. The inner wall 42 is formed. As a result, when the lid is closed, a leak inspection hole 39 is formed between the notch 41 and the inner wall 42.

切欠部４１は、キャップ本体１１の周方向において、ヒンジ部１３の形成範囲を越えて形成されると、洗浄工程でのシャワー水が浸入しやすくなるため、図１に示すように、ヒンジ部１３の形成範囲内に形成されることが望ましい。また、内壁４２は、図２に示すように、高さが蓋係合部３１の高さと同等、または蓋係合部３１の高さよりも少し高くなるように形成するとともに、図１に示すように、長さが切欠部４１の長さよりも少し長くなるように形成し、内壁４２の端部と蓋係合部３１の端部とがオーバーラップした状態でリーク検査用孔３９が形成されることが望ましい。これにより、シャワー水の浸入をさらに抑えることができる。なお、本実施形態では、切欠部４１および内壁４２は、それぞれ一箇所に形成されているが、例えば一箇所の内壁４２に対して複数箇所の切欠部４１が形成されていてもよく、また、切欠部４１の数に合わせて同数の内壁４２が形成されていてもよい。 If the cutout portion 41 is formed in the circumferential direction of the cap body 11 beyond the formation range of the hinge portion 13, shower water in the cleaning step easily infiltrates. Therefore, as shown in FIG. 1, the hinge portion 13 is formed. It is desirable that it is formed within the formation range of. Further, as shown in FIG. 2, the inner wall 42 is formed so that the height is equal to the height of the lid engaging portion 31 or slightly higher than the height of the lid engaging portion 31, and as shown in FIG. The leak inspection hole 39 is formed so that the length is slightly longer than the length of the notch 41, and the end of the inner wall 42 and the end of the lid engaging portion 31 overlap each other. Is desirable. As a result, the infiltration of shower water can be further suppressed. In the present embodiment, the notch 41 and the inner wall 42 are each formed at one place, but for example, a plurality of notches 41 may be formed on the inner wall 42 at one place. The same number of inner walls 42 may be formed according to the number of notches 41.

従来のキャップにおいては、打栓時に嵌合筒部が容器の口部に圧入され、嵌合筒部が径方向内側に縮小する方向に変形し、それに伴って注出筒が上昇していた。この現象は抜栓部を有するキャップでも発生していたが、抜栓レスキャップの場合には、抜栓部が存在しない分、天壁部の周縁部から注出筒に及ぼされる応力に対抗する壁部が少ないため、注出筒がより上昇しやすい、という問題があった。その上、注出筒の高さが高く、注出筒と蓋体との間隔が狭いキャップの場合には、注出筒が蓋体を押し上げる位置まで上昇する場合があった。その結果、衝撃等により蓋体が外れる等の問題が発生していた。 In the conventional cap, the fitting cylinder portion is press-fitted into the mouth portion of the container at the time of tapping, the fitting cylinder portion is deformed in the direction of contracting inward in the radial direction, and the pouring cylinder is raised accordingly. This phenomenon also occurred in the cap having the unplugging part, but in the case of the unplugging-less cap, since the unplugging part does not exist, the wall part that opposes the stress applied to the pouring cylinder from the peripheral part of the top wall part There was a problem that the dispenser tube was more likely to rise due to the small number. Moreover, in the case of a cap in which the height of the dispensing cylinder is high and the distance between the dispensing cylinder and the lid is narrow, the dispensing cylinder may rise to a position where the lid is pushed up. As a result, there have been problems such as the lid coming off due to an impact or the like.

この問題に対して、本実施形態のキャップ１によれば、嵌合筒部１８の径方向内側において、天壁部１６と一体形成された内周筒部２９と嵌合筒部１８とによって下方に窪む溝部１９が形成されているため、打栓時に嵌合筒部１８が容器本体Ｗの口部Ｗ１に圧入されて内側に縮径する方向に変形したとしても、その変形が溝部１９の弾性変形によって吸収される。その結果、天壁部１６のうち、溝部１９よりも内側の部分に嵌合筒部１８の変形の影響が伝わりにくくなり、注出筒１５の上昇を抑えることができる。そのため、蓋体１２の頂壁部３３の下面と注出筒１５の上端との間隔が例えば０．２〜０．５ｍｍ程度と狭いキャップ１であったとしても、衝撃等により蓋体１２が外れる等の不具合を抑制することができる。 In response to this problem, according to the cap 1 of the present embodiment, the inner peripheral cylinder portion 29 and the fitting cylinder portion 18 integrally formed with the top wall portion 16 are lowered inside the fitting cylinder portion 18 in the radial direction. Since the groove portion 19 recessed in the groove 19 is formed, even if the fitting cylinder portion 18 is press-fitted into the mouth portion W1 of the container body W and deforms in the direction of reducing the diameter inward at the time of plugging, the deformation of the groove portion 19 Absorbed by elastic deformation. As a result, the influence of the deformation of the fitting cylinder portion 18 is less likely to be transmitted to the portion of the top wall portion 16 inside the groove portion 19, and the rise of the pouring cylinder 15 can be suppressed. Therefore, even if the distance between the lower surface of the top wall 33 of the lid 12 and the upper end of the dispensing cylinder 15 is as narrow as 0.2 to 0.5 mm, the lid 12 will come off due to an impact or the like. It is possible to suppress problems such as.

また、本実施形態によれば、内周筒部２９と嵌合筒部１８とによって溝部１９が形成されるため、嵌合筒部１８の内側にさらに２つの筒部を設ける必要がなく、キャップ本体１１の構成を簡略化できる。また、溝部１９の一部が嵌合筒部１８で構成されるため、嵌合筒部１８の変形が溝部１９によって直接吸収され、注出筒１５の上昇が効果的に抑制される。 Further, according to the present embodiment, since the groove portion 19 is formed by the inner peripheral cylinder portion 29 and the fitting cylinder portion 18, it is not necessary to provide two more cylinder portions inside the fitting cylinder portion 18, and the cap The configuration of the main body 11 can be simplified. Further, since a part of the groove portion 19 is composed of the fitting cylinder portion 18, the deformation of the fitting cylinder portion 18 is directly absorbed by the groove portion 19, and the rise of the pouring cylinder 15 is effectively suppressed.

本実施形態のように、注出筒１５が上面視において天壁部１６の中心（キャップ軸Ｏ）から偏心した位置に形成されている場合、注出筒１５がキャップ軸Ｏ上に形成されている場合と異なり、注出筒１５と嵌合筒部１８との間の距離が天壁部１６の径方向一方側、具体的にはヒンジ部１３と反対側で短く、ヒンジ部１３の側では長い。 When the dispensing cylinder 15 is formed at a position eccentric from the center (cap shaft O) of the top wall portion 16 in the top view as in the present embodiment, the dispensing cylinder 15 is formed on the cap shaft O. The distance between the dispensing cylinder 15 and the fitting cylinder 18 is shorter on one side in the radial direction of the top wall portion 16, specifically, on the opposite side to the hinge portion 13, and on the side of the hinge portion 13. long.

このように、注出筒１５と嵌合筒部１８との間の距離が短くなる個所ができることによって、嵌合筒部１８の変形の影響が注出筒１５に伝わりやすく、注出筒１５がより上昇しやすくなる。また、注出筒１５と嵌合筒部１８との間の距離が周方向の位置によって異なるため、嵌合筒部１８の変形の影響の度合いも周方向の位置によって異なり、その結果、注出筒１５が傾いた方向に上昇するおそれもあった。これに対し、本実施形態のキャップ１によれば、注出筒１５の上昇を効果的に抑えることができる。 By forming a portion where the distance between the dispensing cylinder 15 and the fitting cylinder portion 18 is shortened in this way, the influence of the deformation of the fitting cylinder portion 18 is easily transmitted to the dispensing cylinder 15, and the dispensing cylinder 15 becomes It becomes easier to rise. Further, since the distance between the dispensing cylinder 15 and the fitting cylinder 18 differs depending on the position in the circumferential direction, the degree of influence of the deformation of the fitting cylinder 18 also differs depending on the position in the circumferential direction, and as a result, the injection is performed. There was also a risk that the cylinder 15 would rise in the tilted direction. On the other hand, according to the cap 1 of the present embodiment, the rise of the dispensing cylinder 15 can be effectively suppressed.

また、本実施形態のキャップ１において、天壁部１６が天壁部１６の外周側から注出筒１５に向かって上方に傾斜した傾斜壁部２７を有しているため、注出筒１５の上端を高い位置に配置するように設計しても、天壁部１６が傾斜壁部２７を有していない場合に比べて、注出筒１５のうち、天壁部１６の上方に突出する部分の寸法を短くすることができる。これにより、注出筒１５が天壁部１６に安定して支持され、注出筒１５の破損のおそれを少なくすることができる。 Further, in the cap 1 of the present embodiment, since the top wall portion 16 has an inclined wall portion 27 inclined upward from the outer peripheral side of the top wall portion 16 toward the pouring cylinder 15, the pouring cylinder 15 Even if the upper end is designed to be arranged at a high position, the portion of the pouring cylinder 15 that protrudes upward from the top wall portion 16 as compared with the case where the top wall portion 16 does not have the inclined wall portion 27. The dimensions of can be shortened. As a result, the dispensing cylinder 15 is stably supported by the top wall portion 16, and the risk of damage to the dispensing cylinder 15 can be reduced.

なお、本発明の技術範囲は上記実施形態に限定されるものではなく、本発明の趣旨を逸脱しない範囲において種々の変更を加えることが可能である。
例えば上記実施形態では、嵌合筒部１８の下端から連続して内周筒部２９が形成され、嵌合筒部１８と内周筒部２９とによって溝部１９が形成されている形態を例示した。この形態に代えて、嵌合筒部１８の径方向内側に、嵌合筒部１８とは別に、下端同士が連結された２つの筒部が形成され、これらの筒部によって溝部が形成されてもよい。いずれにしても、天壁部１６において嵌合筒部１８と注出筒１５との間の位置に溝部１９が形成されていれば、上記実施形態と同様の効果を得ることができる。 The technical scope of the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.
For example, in the above embodiment, the inner peripheral cylinder portion 29 is continuously formed from the lower end of the fitting cylinder portion 18, and the groove portion 19 is formed by the fitting cylinder portion 18 and the inner peripheral cylinder portion 29. .. Instead of this form, two tubular portions in which the lower ends are connected to each other are formed inside the fitting tubular portion 18 in the radial direction, and a groove portion is formed by these tubular portions. May be good. In any case, if the groove portion 19 is formed at the position between the fitting cylinder portion 18 and the pouring cylinder 15 on the top wall portion 16, the same effect as that of the above embodiment can be obtained.

上記実施形態では、注出筒１５は、天壁部１６の中心から偏心した位置に形成されていたが、天壁部１６の中心に設けられていてもよい。また、上記実施形態では、天壁部１６は、天壁部１６の外周側から注出筒１５に向かって上方に傾斜した傾斜壁部２７を有していたが、必ずしも傾斜壁部２７を有していなくてもよい。 In the above embodiment, the dispensing cylinder 15 is formed at a position eccentric from the center of the top wall portion 16, but may be provided at the center of the top wall portion 16. Further, in the above embodiment, the top wall portion 16 has an inclined wall portion 27 that is inclined upward from the outer peripheral side of the top wall portion 16 toward the dispensing cylinder 15, but does not necessarily have the inclined wall portion 27. You don't have to.

また、上記実施形態では、蓋体１２がキャップ本体１１にヒンジ部１３を介して連結されたヒンジキャップの例を示したが、蓋体１２がヒンジ部１３を介してキャップ本体１１に連結されておらず、蓋体１２がキャップ本体１１に着脱可能に嵌合される構成、または蓋体１２がキャップ本体１１に着脱可能に螺着される構成等を採用してもよい。 Further, in the above embodiment, the example of the hinge cap in which the lid body 12 is connected to the cap body 11 via the hinge portion 13 is shown, but the lid body 12 is connected to the cap body 11 via the hinge portion 13. Instead, a configuration in which the lid body 12 is detachably fitted to the cap body 11 or a configuration in which the lid body 12 is detachably screwed to the cap body 11 may be adopted.

その他、本発明の趣旨を逸脱しない範囲で、上記実施形態における構成要素を周知の構成要素に適宜置き換えることは可能である。 In addition, it is possible to appropriately replace the components in the above embodiment with well-known components without departing from the spirit of the present invention.

１ キャップ
１１ キャップ本体
１２ 蓋体
１５ 注出筒
１６ 天壁部
１７ 外周壁部
１８ 嵌合筒部
１９ 溝部
２７ 傾斜壁部
２９ 内周筒部（壁部）
Ｗ 容器本体
Ｗ１ 口部 1 Cap 11 Cap body 12 Lid body 15 Injection cylinder 16 Top wall part 17 Outer wall part 18 Fitting cylinder part 19 Groove part 27 Inclined wall part 29 Inner circumference cylinder part (wall part)
W container body W1 mouth

Claims (4)

容器本体の口部に装着されるキャップ本体と、
前記キャップ本体の上面を開閉する有頂筒状の蓋体と、
を備え、
前記キャップ本体は、
前記容器本体の内容物の注出孔を内側に有する注出筒と、
前記注出筒が形成された天壁部と、
前記天壁部の外周縁の下面に垂設された外周壁部と、
前記外周壁部の径方向内側において前記天壁部の下面に垂設され、前記口部に嵌合する嵌合筒部と、
前記嵌合筒部の径方向内側において前記天壁部と前記嵌合筒部とに連続する壁部によって形成され、下方に窪む溝部と、
を有する、キャップ。 The cap body attached to the mouth of the container body and
A ridged tubular lid that opens and closes the upper surface of the cap body,
With
The cap body
An injection cylinder having an injection hole for the contents of the container body inside,
The top wall on which the dispenser is formed and
An outer peripheral wall portion vertically provided on the lower surface of the outer peripheral edge of the top wall portion,
A fitting cylinder portion that is vertically installed on the lower surface of the top wall portion and fits into the mouth portion on the radial inside of the outer peripheral wall portion.
A groove portion formed by a wall portion continuous with the top wall portion and the fitting cylinder portion on the radial inside of the fitting cylinder portion and recessed downward,
Has a cap. 前記壁部は、前記嵌合筒部の径方向内側に設けられた内周筒部を有し、
前記内周筒部の下端と前記嵌合筒部の下端とが一体に連結されて前記溝部が形成されている、請求項１に記載のキャップ。 The wall portion has an inner peripheral cylinder portion provided inside the fitting cylinder portion in the radial direction.
The cap according to claim 1, wherein the lower end of the inner peripheral cylinder portion and the lower end of the fitting cylinder portion are integrally connected to form the groove portion. 前記注出筒は、上面視において、前記天壁部の中心から偏心した位置に設けられている、請求項１または請求項２に記載のキャップ。 The cap according to claim 1 or 2, wherein the pouring cylinder is provided at a position eccentric from the center of the top wall portion in a top view. 前記天壁部は、前記天壁部の外周側から前記注出筒に向かって上方に傾斜した傾斜壁部を有する、請求項１から請求項３までのいずれか一項に記載のキャップ。 The cap according to any one of claims 1 to 3, wherein the top wall portion has an inclined wall portion inclined upward from the outer peripheral side of the top wall portion toward the injection cylinder.
JP2019085887A 2019-04-26 2019-04-26 cap Active JP7370168B2 (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0948456A (en) * 1995-08-10 1997-02-18 Mitsubishi Plastics Ind Ltd Container cap
JPH09132256A (en) * 1995-11-02 1997-05-20 Yoshino Kogyosho Co Ltd Cap with internal plug for content liquid discharging container
US20080041866A1 (en) * 2004-09-06 2008-02-21 Javier Bernal Ardanaz Cap With Hinged Top
JP2015209234A (en) * 2014-04-28 2015-11-24 株式会社吉野工業所 Hinge cap
JP2017100749A (en) * 2015-11-30 2017-06-08 株式会社吉野工業所 container
JP2018203284A (en) * 2017-05-31 2018-12-27 株式会社吉野工業所 Spouting vessel
JP2019038607A (en) * 2017-08-29 2019-03-14 株式会社吉野工業所 cap

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0948456A (en) * 1995-08-10 1997-02-18 Mitsubishi Plastics Ind Ltd Container cap
JPH09132256A (en) * 1995-11-02 1997-05-20 Yoshino Kogyosho Co Ltd Cap with internal plug for content liquid discharging container
US20080041866A1 (en) * 2004-09-06 2008-02-21 Javier Bernal Ardanaz Cap With Hinged Top
JP2015209234A (en) * 2014-04-28 2015-11-24 株式会社吉野工業所 Hinge cap
JP2017100749A (en) * 2015-11-30 2017-06-08 株式会社吉野工業所 container
JP2018203284A (en) * 2017-05-31 2018-12-27 株式会社吉野工業所 Spouting vessel
JP2019038607A (en) * 2017-08-29 2019-03-14 株式会社吉野工業所 cap

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