JP2008114188A - Packing for liquid jetting apparatus, and liquid jetting apparatus - Google Patents

Packing for liquid jetting apparatus, and liquid jetting apparatus Download PDF

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JP2008114188A
JP2008114188A JP2006302033A JP2006302033A JP2008114188A JP 2008114188 A JP2008114188 A JP 2008114188A JP 2006302033 A JP2006302033 A JP 2006302033A JP 2006302033 A JP2006302033 A JP 2006302033A JP 2008114188 A JP2008114188 A JP 2008114188A
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liquid
container
packing
ejecting apparatus
liquid ejecting
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JP4934408B2 (en
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Keizo Yamada
恵造 山田
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Maruichi Valves Co Ltd
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Maruichi Valves Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a liquid jetting apparatus which prevents a liquid content in a liquid container from leaking out of an air taking-in passage even if the liquid jetting apparatus is used in the inverted state. <P>SOLUTION: A packing 1 for the liquid jetting apparatus is a member arranged between the liquid container 20 and the liquid jetting apparatus 10 to be installed to the liquid container 20, and has an air intake passage 2 for taking an air from outside into the inner part of the liquid container 20. The packing 1 for the liquid jetting apparatus is a slit 3 having a width of cut which makes the air pass but blocks passing of a liquid. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、液体収容器と液体収容器に装着される液体噴射装置との間に配置され、液体噴射装置のポンプ動作による液体収容器内からの液状内容物の吸い上げに伴って外部から液体収容器の内部へ大気を取り込む大気取込手段を備えた噴射装置用パッキン、及び噴射装置用パッキンを備えた液体噴射装置に関する。   The present invention is arranged between a liquid container and a liquid ejecting apparatus attached to the liquid container, and accommodates liquid from the outside as liquid content is sucked up from the liquid container by a pump operation of the liquid ejecting apparatus. The present invention relates to a packing for an ejection device provided with an air intake means for taking in the atmosphere into the interior of the container, and a liquid ejection device provided with the packing for an ejection device.

液体を入れる容器と、容器に装着され容器内の液状内容物を吸い上げる往復ポンプと、往復ポンプによって吸い上げられた液状内容物を噴射する噴射ノズルを備えた液体噴射装置が知られている。   2. Description of the Related Art There is known a liquid ejecting apparatus including a container for storing a liquid, a reciprocating pump that is attached to the container and sucks up the liquid content in the container, and an ejection nozzle that ejects the liquid content sucked up by the reciprocating pump.

液体噴射装置には、正立姿勢及び倒立姿勢の両姿勢において液体収容器の内容物を噴射可能なものがあり、正倒立両用噴霧器として知られている。特許文献１には、倒立状態において容器内の空気が往復ポンプへ吸入されることによる不完全な噴霧動作を防止することができる噴射装置が記載されている。２つの空気吸込防止弁を備え、正立時には一方の空気吸込防止弁が閉じ倒立時には他方の空気吸込防止弁が閉じるよう構成されており、何れの際にも容器中の空気が往復ポンプへ吸入されないようになっている。   Some liquid ejecting apparatuses are capable of ejecting the contents of the liquid container in both an upright position and an inverted position, and are known as a normal inverted sprayer. Patent Document 1 describes an injection device that can prevent an incomplete spraying operation due to air in a container being sucked into a reciprocating pump in an inverted state. Equipped with two air suction prevention valves, one air suction prevention valve is closed when upright, and the other air suction prevention valve is closed when inverted. In either case, the air in the container is sucked into the reciprocating pump. Not to be.

ところで、液体収容器に液体噴射装置が装着された液体噴射製品において、液状内容物の使用に伴い容器内の空間が増してゆくが、空間が増した分だけ容器内に大気を補給してやらないと容器内が真空状態に近くなり、真空状態に耐えられず容器がへこんでしまう現象が生じる。この現象を防ぐため、一般に液体収容器に装着される液体噴射装置には、噴射に伴う容器内の内容物減少に基づく内部の減圧を補償するため、外部から容器内部へ空気を取り込む大気取込手段が設けられている（特許文献２，特許文献３参照）。   By the way, in the liquid ejecting product in which the liquid ejecting apparatus is mounted on the liquid container, the space in the container increases with the use of the liquid contents, but it is necessary to supply the atmosphere to the container by the amount of the increased space. The inside of the container becomes close to a vacuum state, and a phenomenon occurs that the container cannot be withstood in a vacuum state and the container is recessed. In order to prevent this phenomenon, in general, the liquid ejecting device attached to the liquid container has an air intake that takes in air from the outside into the container in order to compensate for the internal pressure reduction due to the decrease in the contents in the container due to the ejection. Means are provided (see Patent Document 2 and Patent Document 3).

図２に、大気取込手段を備えた従来の正倒立両用噴射装置を示す。図２（ｂ）に示すように、正倒立両用噴射装置５０は、液体収容器１００との間に配置されるパッキン３０を備えている。図２（ａ）に示すようにパッキン３０には、大気取込流路３１，３１が形成されており、ボタン部５１が押下され噴射口５２から内容物が噴射されると同時に、矢印ＸからＹ方向に大気が取り込まれ、大気取込流路３１，３１を介して液体収容器内部に大気が取り込まれる（矢印Ｚ）。これにより、液体収容器内の内容物の減少に基づく内部の減圧を補償することができるようになっている。   FIG. 2 shows a conventional upside-down dual-purpose injection apparatus provided with an air intake means. As shown in FIG. 2 (b), the normal inverted dual-use injection device 50 includes a packing 30 disposed between the liquid container 100. As shown in FIG. 2A, the packing 30 is formed with air intake channels 31, 31, and at the same time as the button portion 51 is pressed and the contents are ejected from the ejection port 52, the arrow X Atmospheric air is taken in the Y direction, and atmospheric air is taken into the liquid container through the atmospheric air intake passages 31, 31 (arrow Z). As a result, it is possible to compensate for the internal pressure reduction due to the decrease in the contents in the liquid container.

特開昭５５−１５７３５２号公報JP-A-55-157352 特開昭５３−１４１９１８号公報JP-A-53-141918 特開昭５８−１７０５６２号公報JP 58-170562 A

しかしながら、これら特許文献に記載のような正倒立両用噴霧器や図２に記載の正倒立両用噴射装置においてを倒立状態で使用する場合、大気取込流路の開口面積が大きいと液体収容器内の液状内容物が大気取込流路から漏れ出す虞がある。   However, when the upside-down dual-purpose sprayer described in these patent documents and the upside-down dual-use spray device shown in FIG. 2 are used in an inverted state, if the opening area of the air intake passage is large, the liquid container There is a risk that the liquid content leaks out of the air intake passage.

そこで、本発明は、液体噴射装置を倒立状態で使用しても、大気取込流路から液体収容器内の液状内容物が漏れ出すことがないようにすることを目的とする。   Accordingly, an object of the present invention is to prevent the liquid contents in the liquid container from leaking out from the atmospheric intake flow path even when the liquid ejecting apparatus is used in an inverted state.

上記課題を解決することのできる本発明は、液体収容器と前記液体収容器に装着される液体噴射装置との間に配置され、前記液体噴射装置のポンプ動作による前記液体収容器内からの液状内容物の吸い上げに伴って外部から前記液体収容器の内部へ大気を取り込む大気取込手段を備えた液体噴射装置用パッキンであって、
前記大気取込手段は、大気を通過させるが液体の通過を遮断する切り込み幅を有するスリットであることを特徴とする。 The present invention that can solve the above-described problems is arranged between a liquid container and a liquid ejecting apparatus mounted on the liquid container, and is liquid in the liquid container by a pump operation of the liquid ejecting apparatus. A packing for a liquid ejecting apparatus provided with an air intake means for taking in air from outside into the liquid container as the contents are sucked up,
The air intake means is a slit having a cut width that allows the air to pass through but blocks the liquid from passing therethrough.

上記構成によれば、大気取込手段は大気を通過させるが液体の通過を遮断するので、噴射装置を倒立状態で使用しても、大気取込流路から液体収容器内の液状内容物が漏れ出すことがない。   According to the above configuration, the air intake means allows the atmosphere to pass but blocks the passage of the liquid. Therefore, even if the injection device is used in an inverted state, the liquid content in the liquid container is removed from the air intake passage. There is no leakage.

さらに、上記構成によれば、大気取込手段をスリットとすることで、液体噴射装置用パッキンに大気取込流路を簡単に形成することができる。   Furthermore, according to the said structure, an air | atmosphere intake flow path can be simply formed in the packing for liquid ejecting apparatuses by making an air | atmosphere intake means into a slit.

また、本発明の液体噴射装置は、前記液体収容器に装着され、上記液体噴射装置用パッキンを備えたことを特徴とする。   The liquid ejecting apparatus of the present invention is mounted on the liquid container and includes the liquid ejecting apparatus packing.

上記構成によれば、液体噴射装置を倒立状態で使用しても、大気取込流路から液体収容器内の液体が漏れ出すことを防止することが可能になり、液体噴射装置の使い勝手を高めることができる。   According to the above configuration, even when the liquid ejecting apparatus is used in an inverted state, it is possible to prevent the liquid in the liquid container from leaking out from the air intake passage, and the usability of the liquid ejecting apparatus is improved. be able to.

以下、本発明に係る液体噴射装置用パッキン及び液体噴射装置用パッキンを備えた液体噴射装置の実施形態を図面を参照しつつ詳細に説明する。   Hereinafter, embodiments of a liquid ejecting apparatus including a liquid ejecting apparatus packing and a liquid ejecting apparatus packing according to the present invention will be described in detail with reference to the drawings.

図１（ｂ）に示すように、液体噴射装置用パッキン１は、液体収容器２０と、液体収容器２０に装着される液体噴射装置１０との間に配置された部材で、外部から液体収容器２０の内部へ大気を取り込む大気取込流路（大気取込手段）２を備える。   As shown in FIG. 1B, the liquid ejecting apparatus packing 1 is a member disposed between the liquid container 20 and the liquid ejecting apparatus 10 attached to the liquid container 20, and stores liquid from the outside. An air intake passage (atmosphere intake means) 2 for taking air into the vessel 20 is provided.

具体的には、図１（ａ）に示すように液体噴射装置用パッキン１は、外周４が円弧状に形成され、中央に開口部５が形成されたドーナツ状の部材で、開口部５の周縁５ａから半径方向外方に延びるスリット３が１８０°の間隔をおいて形成されている。   Specifically, as shown in FIG. 1A, the liquid ejecting apparatus packing 1 is a donut-shaped member having an outer periphery 4 formed in an arc shape and an opening 5 formed in the center. Slits 3 extending radially outward from the peripheral edge 5a are formed at an interval of 180 °.

液体噴射装置用パッキン１は、例えば商品名ハイシート（製造メーカー：三井化学ファブロ株式会社）で、ある程度の弾力を備えたパッキン材質である。
商品名ハイシートとしての液体噴射装置用パッキン１は、ＰＥの低発砲独立気泡シートの両面にＰＰフィルムが貼り付けられたシート状のものが打ち抜かれ、カットを入れることでスリット３，３が形成されたものである。
なお、液体噴射装置用パッキン１は、その他の材質として、ＰＰの気泡タイプ、ラバーまたはＰＥ単体などで形成することが可能である。 The liquid ejecting apparatus packing 1 is, for example, a high-sheet (manufacturer: Mitsui Chemicals Fabro Co., Ltd.), which is a trade name and has a certain degree of elasticity.
Packing 1 for the liquid ejecting device as a high name sheet is punched out in the form of a sheet with PP film affixed to both sides of a PE low firing closed cell sheet, and slits 3 and 3 are formed by cutting. It has been done.
The liquid ejecting apparatus packing 1 can be formed of other materials such as a PP bubble type, rubber or PE alone.

スリット３は、かみそりで切れ目を入れたもので、切れ目がふさがった状態になるようにスリット幅が形成されている。
このスリット３は、大気を通過させるが液体の通過を遮断する切り込み幅を有し、大気取込流路２の役割を果たすものである。 The slit 3 is cut with a razor, and the slit width is formed so that the cut is closed.
The slit 3 has a cut width that allows the passage of the atmosphere but blocks the passage of the liquid, and serves as the atmosphere intake passage 2.

液体噴射装置１０は、液体収容器２０の取出口に取付キャップ１１がねじ結合され、液体収容器２０の取出口と取付キャップ１１との間に液体噴射装置用パッキン１が挟持され、液体収容器２０の内部に噴射バルブ１２が差し込まれた状態に収容され、噴射バルブ１２の頂部にステム１３が設けられ、ステム１３にボタン部１４が係止されている。液体収容器２０の内部には液状内容物２１が充填されている。   In the liquid ejecting apparatus 10, a mounting cap 11 is screwed to the outlet of the liquid container 20, the liquid ejecting apparatus packing 1 is sandwiched between the outlet of the liquid container 20 and the mounting cap 11, and the liquid container The injection valve 12 is housed in a state where the injection valve 12 is inserted into the interior 20, a stem 13 is provided at the top of the injection valve 12, and a button portion 14 is locked to the stem 13. The liquid container 20 is filled with a liquid content 21.

液体噴射装置１０によれば、図１（ｂ）に示す正立状態において、ボタン部１４が押下され内部ピストン（スプリング）１２が押し下げられると、液体噴射装置１０の取付キャップ１１部分のボンプ動作によって液状内容物が吸い上げられ、一定量の液状内容物２１がステム１３まで導かれて、ボタン部１４の噴射口１５から噴射される。   According to the liquid ejecting apparatus 10, when the button portion 14 is pressed and the internal piston (spring) 12 is depressed in the upright state shown in FIG. The liquid content is sucked up, and a certain amount of liquid content 21 is guided to the stem 13 and injected from the injection port 15 of the button part 14.

本実施形態では、液状内容物の吸い上げに伴って外部から液体収容器２０の内部へ大気を取り込む。すなわち、矢印ＸからＹ方向に大気が取り込まれ、液体噴射装置用パッキン１のスリット（大気取込流路）３，３を介して液体収容器２０内部に大気が取り込まれる（矢印Ｚ）。これにより、液体収容器２０内の液状内容物２１の減少に基づく内部の減圧を補償する。   In the present embodiment, the atmosphere is taken into the liquid container 20 from the outside as the liquid contents are sucked up. That is, the atmosphere is taken in from the arrow X to the Y direction, and the atmosphere is taken into the liquid container 20 through the slits (atmosphere intake channels) 3 and 3 of the liquid ejecting apparatus packing 1 (arrow Z). As a result, the internal decompression based on the decrease in the liquid content 21 in the liquid container 20 is compensated.

また、液体噴射装置１０を倒立状態で使用する場合には、液体収容器２０内の内容物２１が液体噴射装置用パッキン１まで流れる。
ここで、スリット３は、大気を通過させるが液体の通過を遮断するので、液体噴射装置１０を倒立状態で使用しても、スリット３から液体収容器２０内の液状内容物２１が漏れ出すことを防止する。
これにより、液体噴射装置１０の使い勝手を高めることができる。 Further, when the liquid ejecting apparatus 10 is used in an inverted state, the contents 21 in the liquid container 20 flow to the liquid ejecting apparatus packing 1.
Here, since the slit 3 allows the atmosphere to pass but blocks the passage of the liquid, the liquid content 21 in the liquid container 20 leaks from the slit 3 even when the liquid ejecting apparatus 10 is used in an inverted state. To prevent.
Thereby, the usability of the liquid ejecting apparatus 10 can be improved.

なお、前記実施の形態では、大気取込流路２としてスリット３を例示したが、大気取込流路２はこれに限定するものではなく、大気を通過させるが液体の通過を遮断する機能を備えたものであれば使用可能である。   In the above-described embodiment, the slit 3 is illustrated as the atmospheric intake flow path 2, but the atmospheric intake flow path 2 is not limited to this, and has a function of passing the atmosphere but blocking the passage of the liquid. Anything provided can be used.

また、前記実施の形態では、液体噴射装置用パッキン１にスリット３が１８０°の間隔をおいて２箇所に形成した例について説明したが、これに限定しない、３箇所などの他の複数箇所に形成することも可能である。   Moreover, although the said embodiment demonstrated the example which formed the slit 3 in two places at intervals of 180 degrees in the packing 1 for liquid ejecting apparatuses, it is not limited to this, In other multiple places, such as three places It is also possible to form.

（ａ）は本実施形態にかかるパッキンの上面図であり、（ｂ）は、本実施形態にかかるパッキンを備えた液体噴射装置の中央断面図である。(A) is a top view of the packing according to the present embodiment, and (b) is a central cross-sectional view of the liquid ejecting apparatus including the packing according to the present embodiment. （ａ）は従来のパッキンの上面図であり、（ｂ）は、従来のパッキンを備えた液体噴射装置の中央断面図である。(A) is a top view of the conventional packing, (b) is a central sectional view of a liquid ejecting apparatus provided with the conventional packing.

符号の説明Explanation of symbols

１：液体噴射装置用パッキン、２：大気取込流路、３：スリット、１０：液体噴射装置、２０：液体収容器、２１：液状内容物 1: Liquid ejection device packing, 2: Air intake flow path, 3: Slit, 10: Liquid ejection device, 20: Liquid container, 21: Liquid content

Claims (2)

液体収容器と前記液体収容器に装着される液体噴射装置との間に配置され、前記液体噴射装置のポンプ動作による前記液体収容器内からの液状内容物の吸い上げに伴って外部から前記液体収容器の内部へ大気を取り込む大気取込手段を備えた液体噴射装置用パッキンであって、
前記大気取込手段は、大気を通過させるが液体の通過を遮断する切り込み幅を有するスリットであることを特徴とする液体噴射装置用パッキン。 The liquid container is disposed between the liquid container and the liquid ejecting apparatus attached to the liquid container, and the liquid container is externally accommodated as the liquid content is sucked from the liquid container by the pump operation of the liquid ejecting apparatus. A packing for a liquid ejecting apparatus provided with an air intake means for taking air into the interior of the vessel,
The packing for a liquid ejecting apparatus according to claim 1, wherein the air intake means is a slit having a cut width that allows the air to pass through but blocks the liquid from passing therethrough. 前記液体収容器に装着され、請求項１の液体噴射装置用パッキンを備えたことを特徴とする液体噴射装置。   A liquid ejecting apparatus, comprising the liquid ejecting apparatus packing according to claim 1, which is mounted on the liquid container.
JP2006302033A 2006-11-07 2006-11-07 Packing for liquid ejecting apparatus and liquid ejecting apparatus Expired - Fee Related JP4934408B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014213943A (en) * 2013-04-30 2014-11-17 株式会社吉野工業所 Liquid jet device for upright and inverted positions

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10128178A (en) * 1996-10-25 1998-05-19 Yoshino Kogyosho Co Ltd Liquid jet container
JP2000142852A (en) * 1998-11-17 2000-05-23 Osaka Ship Building Co Ltd Packaged product and its manufacture
JP2002012250A (en) * 2000-06-28 2002-01-15 Yoshino Kogyosho Co Ltd Liquid pouring container
JP2003237817A (en) * 2002-02-20 2003-08-27 Id Package:Kk Pump dispenser with built-in packing for outside air replacement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10128178A (en) * 1996-10-25 1998-05-19 Yoshino Kogyosho Co Ltd Liquid jet container
JP2000142852A (en) * 1998-11-17 2000-05-23 Osaka Ship Building Co Ltd Packaged product and its manufacture
JP2002012250A (en) * 2000-06-28 2002-01-15 Yoshino Kogyosho Co Ltd Liquid pouring container
JP2003237817A (en) * 2002-02-20 2003-08-27 Id Package:Kk Pump dispenser with built-in packing for outside air replacement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014213943A (en) * 2013-04-30 2014-11-17 株式会社吉野工業所 Liquid jet device for upright and inverted positions

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