JP3285187B2 - Container with foam ejection pump - Google Patents
Container with foam ejection pumpInfo
- Publication number
- JP3285187B2 JP3285187B2 JP27446395A JP27446395A JP3285187B2 JP 3285187 B2 JP3285187 B2 JP 3285187B2 JP 27446395 A JP27446395 A JP 27446395A JP 27446395 A JP27446395 A JP 27446395A JP 3285187 B2 JP3285187 B2 JP 3285187B2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- foam
- liquid
- piston
- ejection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/0018—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
- B05B7/0025—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1087—Combination of liquid and air pumps
Landscapes
- Closures For Containers (AREA)
- Nozzles (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は泡噴出ポンプ付き容
器に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container with a foam ejection pump.
【０００２】[0002]
【従来の技術】泡噴出ポンプ付き容器としては、例えば
国際公開番号Ｗ０９２／０８６５７号に開示されたもの
が知られている。2. Description of the Related Art As a container equipped with a foam ejection pump, for example, one disclosed in International Publication No. WO92 / 08657 is known.
【０００３】この泡噴出ポンプ付き容器では、ポンプヘ
ッドを押し下げることにより液体と空気をポンプアップ
し、これらを網（発泡部材）に通すことによって泡を発
生させ、この泡をポンプヘッドの噴出口から噴出するよ
うになっている。In this container with a foam ejection pump, the liquid and air are pumped up by depressing the pump head, and foam is generated by passing them through a net (foaming member). It gushes out.
【０００４】[0004]
【発明が解決しようとする課題】従来の泡噴出ポンプ付
き容器においては、非使用時に発泡部材である網が外気
に晒される構造になっているので、網に付着した泡が乾
燥固化して、網の目の一部あるいは全部を閉塞すること
があった。このように網に目詰まりが生じると、以後の
ポンプ動作の際に泡の形成が不十分もしくは不安定にな
った。In a conventional container equipped with a foam ejection pump, since the mesh, which is a foam member, is exposed to the outside air when not in use, the foam attached to the mesh is dried and solidified. Some or all of the meshes could be blocked. This clogging of the net resulted in insufficient or unstable foam formation during subsequent pump operation.
【０００５】本発明はこのような従来の技術の問題点に
鑑みてなされたものであり、非使用時にポンプ内を密閉
することにより、泡を確実に且つ安定して形成すること
ができる泡噴出ポンプ付き容器を提供することを目的と
する。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and has a bubble jet which can form bubbles reliably and stably by sealing the inside of a pump when not in use. It is an object to provide a container with a pump.
【０００６】[0006]
【課題を解決するための手段】本発明は前記課題を解決
するために、以下の手段を採用した。本願第一発明は、
容器体の口頚部に泡噴出ポンプが取り付けられ、泡噴出
ポンプは、内部を第１ピストンが摺動する液用シリンダ
と、内部を第２ピストンが摺動する空気用シリンダと、
噴出口が設けられるとともに第１ピストン及び第２ピス
トンに連繋し両ピストンを駆動せしめるポンプヘッド
と、液用シリンダから送出された液体と空気用シリンダ
から送出された空気とが合流する気液混合室と、前記噴
出口と気液混合室との間に設置された発泡部材と、を備
え、ポンプヘッドを押し下げることにより容器体内の液
体と外気とを気液混合室で合流せしめ、発泡部材を通し
て発泡させ、噴出口から泡の状態で噴出する泡噴出ポン
プ付き容器において、前記ポンプヘッドは互いに回動可
能に嵌合する内側筒部材と外側筒部材を備えた二重管構
造をなし、内側筒部材は発泡部材より下流側に位置する
泡流通部を備え、この泡流通部に噴出孔が設けられてお
り、外側筒部材には前記噴出口が設けられるとともに、
泡流通部を液密に摺動して噴出孔を開閉する閉塞体が設
けられており、外側筒部材を内側筒部材に対して回動す
ることにより閉塞体が噴出孔を開閉し、噴出孔の開状態
では噴出孔の前方に噴出口が位置する一方、容器体の口
頚部に螺合する装着筒の中央筒部に縦リブを形成すると
共に前記内側筒部材に係合突起を形成し、該係合突起を
前記縦リブ間に挿入して案内とすることを特徴とする泡
噴出ポンプ付き容器（請求項１に対応）である。The present invention has the following features to attain the object mentioned above. The first invention of the present application is
A foam ejection pump is attached to the mouth and neck of the container body. The foam ejection pump includes a liquid cylinder in which a first piston slides inside, and an air cylinder in which a second piston slides inside.
A pump head provided with an ejection port and connected to the first piston and the second piston to drive both pistons; and a gas-liquid mixing chamber in which the liquid sent from the liquid cylinder and the air sent from the air cylinder merge. And a foaming member installed between the jet port and the gas-liquid mixing chamber, and the liquid in the container and the outside air are merged in the gas-liquid mixing chamber by pressing down the pump head, and foaming is performed through the foaming member. The pump head has a double-tube structure including an inner cylinder member and an outer cylinder member rotatably fitted to each other, and the inner cylinder member Comprises a foam flow portion located downstream of the foam member, the foam flow portion is provided with a jet hole, and the outer tubular member is provided with the jet port,
A closing member is provided for opening and closing the ejection hole by sliding the bubble flowing portion in a liquid-tight manner, and the closing member opens and closes the ejection hole by rotating the outer cylindrical member with respect to the inner cylindrical member. In the open state, while the ejection port is located in front of the ejection port, a vertical rib is formed on the central cylinder portion of the mounting cylinder screwed to the mouth and neck of the container body, and an engagement projection is formed on the inner cylinder member, A container with a foam ejection pump (corresponding to claim 1), wherein the engagement projection is inserted between the vertical ribs to serve as a guide.
【０００７】本願第二発明によれば、上記第一発明にお
いて、前記縦リブおよび前記係合突起は、互いを案内す
るテーパ面を有するもので構成することも可能である
（請求項２に対応）。According to the second aspect of the present invention, in the first aspect, the vertical ribs and the engaging projections may be configured to have tapered surfaces for guiding each other (corresponding to claim 2). ).
【０００８】なお、発泡部材は所定の目の大きさを有す
る網で構成することができる。発泡部材はポンプヘッド
の内側筒部材に収納することもできるが、内側筒部材の
上流側に配された他の部材に装着しても構わない。[0008] The foamed member can be constituted by a net having a predetermined mesh size. The foamed member can be housed in the inner cylinder member of the pump head, but may be mounted on another member arranged on the upstream side of the inner cylinder member.
【０００９】[0009]
【発明の実施の形態】以下、本発明の実施の形態を図１
から図１９の図面に基いて説明する。FIG. 1 is a block diagram showing an embodiment of the present invention.
19 will be described with reference to FIG.
【００１０】〔第１の実施の形態〕初めに、図１から図
８の図面に基づいて本発明の第１の実施の形態における
泡噴出ポンプ付き容器について説明する。[First Embodiment] First, a container with a foam ejection pump according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 8.
【００１１】図１及び図２は第１の実施の形態における
泡噴出ポンプ付き容器の縦断面図であり、図３及び図４
は要部拡大図である。FIGS. 1 and 2 are longitudinal sectional views of a container with a foam ejection pump according to the first embodiment, and FIGS.
Is an enlarged view of a main part.
【００１２】＜構成＞初めに、泡噴出ポンプ付き容器の
構成を説明する。泡噴出ポンプ付き容器は、容器体１の
口頚部２に泡噴出ポンプ１０を取り付けて構成されてい
る。容器体１には洗顔液のように発泡性を有する液体が
収容されている。<Structure> First, the structure of a container with a foam ejection pump will be described. The container with a foam ejection pump is configured by attaching a foam ejection pump 10 to the mouth and neck 2 of the container body 1. The container body 1 contains a foaming liquid such as a face wash.
【００１３】泡噴出ポンプ１０は、シリンダ部材２０
と、液吸入弁３０と、ステム４０と、第１ピストン５０
と、第２ピストン６０と、液吐出弁７０と、第１空気吸
入弁８０と、第２空気吸入弁９０と、ポンプヘッド１０
０と、発泡ユニット１３０と、装着筒１５０とを備えて
いる。The foam ejection pump 10 includes a cylinder member 20.
, Liquid suction valve 30, stem 40, first piston 50
, A second piston 60, a liquid discharge valve 70, a first air suction valve 80, a second air suction valve 90, and a pump head 10.
0, a foaming unit 130, and a mounting cylinder 150.
【００１４】シリンダ部材２０は上端に環状のフランジ
部２１を有し、内部を空気室とする円筒状の大径シリン
ダ部（空気用シリンダ）２２がフランジ部２１から下方
に延び、内部を液室とする円筒状の小径シリンダ部（液
用シリンダ）２４が大径シリンダ部２２の底板部２３か
ら同心状に下方に延び、小径シリンダ部２４の下端から
接続筒２５が下方に延びて構成されている。The cylinder member 20 has an annular flange portion 21 at the upper end, and a cylindrical large-diameter cylinder portion (air cylinder) 22 having an interior as an air chamber extends downward from the flange portion 21 and defines an interior as a liquid chamber. A cylindrical small-diameter cylinder portion (liquid cylinder) 24 extends concentrically downward from the bottom plate portion 23 of the large-diameter cylinder portion 22, and a connecting cylinder 25 extends downward from the lower end of the small-diameter cylinder portion 24. I have.
【００１５】このシリンダ部材２０は、口頚部２から大
径シリンダ部２２と小径シリンダ部２４と接続筒２５を
容器体１内に挿入させ、口頚部２の上面に配したパッキ
ン２００の上にフランジ部２１を載置して、口頚部２に
螺合する装着筒１５０によって容器体１に固定されてい
る。フランジ部２１には口頚部２よりも内側に位置する
部位に空気孔２７が複数設けられている。The cylinder member 20 has a large-diameter cylinder portion 22, a small-diameter cylinder portion 24, and a connection cylinder 25 inserted into the container body 1 from the mouth and neck portion 2, and a flange is mounted on a packing 200 disposed on the upper surface of the mouth and neck portion 2. The portion 21 is placed and fixed to the container body 1 by a mounting tube 150 screwed to the mouth and neck portion 2. The flange portion 21 is provided with a plurality of air holes 27 at a portion located inside the mouth and neck portion 2.
【００１６】シリンダ部材２０の接続筒２５には吸い上
げパイプ２０１が連結されており、この吸い上げパイプ
２０１の下端は容器体１の底部まで延びている。A suction pipe 201 is connected to the connection cylinder 25 of the cylinder member 20, and the lower end of the suction pipe 201 extends to the bottom of the container 1.
【００１７】装着筒１５０の中央には中央筒部１５１が
設けられていて、この中央筒部１５１からポンプヘッド
１００が上下動可能に突出している。ポンプヘッド１０
０の内部には発泡ユニット１３０が装着されており、ポ
ンプヘッド１００の下部にはシリンダ部材２０内を上下
動するステム４０が連結固定されている。ステム４０の
内部には液吐出弁７０が設けられており、ステム４０の
外周部には大径シリンダ部２２の内周面を気密に摺動す
る第２ピストン６０が取り付けられている。第２ピスト
ン６０には第２空気吸入弁９０が取り付けられている。
ステム４０の下部には小径シリンダ部２４の内周面を液
密に摺動する第１ピストン５０が連結されており、第１
ピストン５０の下側には、ステム４０及び第１ピストン
５０に連繋して動作し接続筒２５を開閉する液吸入弁３
０が配されている。A center tube 151 is provided at the center of the mounting tube 150, and the pump head 100 protrudes vertically from the center tube 151. Pump head 10
A foaming unit 130 is mounted inside the pump head 100, and a stem 40 that moves up and down in the cylinder member 20 is connected and fixed to a lower portion of the pump head 100. A liquid discharge valve 70 is provided inside the stem 40, and a second piston 60 that hermetically slides on the inner peripheral surface of the large-diameter cylinder 22 is attached to the outer peripheral portion of the stem 40. The second piston 60 is provided with a second air suction valve 90.
The lower part of the stem 40 is connected to a first piston 50 which slides on the inner peripheral surface of the small-diameter cylinder portion 24 in a liquid-tight manner.
On the lower side of the piston 50, a liquid suction valve 3 that operates in connection with the stem 40 and the first piston 50 to open and close the connection cylinder 25.
0 is arranged.
【００１８】各構成について以下に詳述する。シリンダ
部材２０の小径シリンダ部２４内には、液吸入弁３０と
コイルスプリング３９と第１ピストン５０が収納されて
いる。液吸入弁３０の下端は、小径シリンダ部２４の下
端に形成されたテーパー面からなる弁座２４ａに着座及
び離反可能な下部弁体３１に形成されていて、接続筒２
５を開閉する。Each component will be described in detail below. The liquid suction valve 30, the coil spring 39, and the first piston 50 are housed in the small-diameter cylinder portion 24 of the cylinder member 20. The lower end of the liquid suction valve 30 is formed on a lower valve body 31 which can be seated on and separated from a valve seat 24 a having a tapered surface formed at the lower end of the small-diameter cylinder portion 24.
Open and close 5.
【００１９】液吸入弁３０において下部弁体３１の上方
には外方に突出する複数の係合ピン３２が設けられてお
り、この係合ピン３２は、小径シリンダ部２４の下端に
設けられた複数の縦リブ２６の間に上下動可能に挿入さ
れている。In the liquid suction valve 30, a plurality of engaging pins 32 projecting outward are provided above the lower valve body 31, and the engaging pins 32 are provided at the lower end of the small-diameter cylinder portion 24. It is vertically movably inserted between the plurality of vertical ribs 26.
【００２０】液吸入弁３０において係合ピン３２よりも
上部は大径部３３になっていて、大径部３３の上部に小
径部３４が連なっている。大径部３３の外周面及び小径
部３４の外周面にはそれぞれ上下方向に延びる縦溝３３
ａ，３４ａが形成されている。小径部３４に連なる液吸
入弁３０の上端は上方に進むに従って大径となるテーパ
ー筒状の上部弁体３５になっている。The liquid suction valve 30 has a large diameter portion 33 above the engagement pin 32, and a small diameter portion 34 is connected to the upper portion of the large diameter portion 33. Vertical grooves 33 extending in the vertical direction are respectively formed on the outer peripheral surface of the large diameter portion 33 and the outer peripheral surface of the small diameter portion 34.
a, 34a are formed. The upper end of the liquid suction valve 30 connected to the small diameter portion 34 is a tapered cylindrical upper valve body 35 having a larger diameter as it goes upward.
【００２１】第１ピストン５０は上下を開口させた中空
筒状をなし、その下部は小径シリンダ部２４の内周面を
液密に摺動するシール部５１になっており、第１ピスト
ン５０の上部開口周縁は弁座５２になっている。The first piston 50 has a hollow cylindrical shape with an open top and bottom, and a lower portion thereof is a seal portion 51 which slides on the inner peripheral surface of the small-diameter cylinder portion 24 in a liquid-tight manner. The periphery of the upper opening forms a valve seat 52.
【００２２】液吸入弁３０の上部弁体３５は第１ピスト
ン５０の上部開口から上方に突出し、第１ピストン５０
の弁座５２に着座及び離反可能になっていて、第１ピス
トン５０の上部開口を開閉する。The upper valve body 35 of the liquid suction valve 30 projects upward from the upper opening of the first piston 50,
And can be separated from the valve seat 52, and opens and closes the upper opening of the first piston 50.
【００２３】第１ピストン５０内には、通常は図１に示
すように液吸入弁３０の小径部３４が第１ピストン５０
の内周面との間に十分な隙間を有して挿入されており、
図２に示すようにポンプヘッド１００を押し下げてステ
ム４０を下降せしめた時には、液吸入弁３０の大径部３
３が第１ピストン５０の内周面との間に僅かな隙間を有
して進入可能になっていて、その際には縦溝３３ａが液
流路を確保する。In the first piston 50, the small diameter portion 34 of the liquid suction valve 30 is usually provided with the first piston 50 as shown in FIG.
Is inserted with a sufficient gap between the inner peripheral surface of the
When the pump head 100 is pushed down to lower the stem 40 as shown in FIG.
3 can enter with a slight gap between it and the inner peripheral surface of the first piston 50, and in that case, the vertical groove 33a secures a liquid flow path.
【００２４】コイルスプリング３９は、シリンダ部材２
０における縦リブ２６の上端と第１ピストン５０との間
に設けられ、第１ピストン５０を上方に付勢している。
一方、液吸入弁３０の係合ピン３２はコイルスプリング
３９の下端に下方から掛止可能になっていて、これによ
り液吸入弁３０の上方移動時の上限を規制している。The coil spring 39 is connected to the cylinder member 2.
The first piston 50 is provided between the upper end of the vertical rib 26 at 0 and the first piston 50 and urges the first piston 50 upward.
On the other hand, the engaging pin 32 of the liquid suction valve 30 can be hooked from below on the lower end of the coil spring 39, thereby restricting the upper limit of the upward movement of the liquid suction valve 30.
【００２５】ステム４０は上下を開口させた筒状をな
し、大径シリンダ部２２及び小径シリンダ部２４内に上
下動可能に収容されている。ステム４０の下部には第１
ピストン５０の上部が挿入固定されており、ステム４０
の下部からシール部５１を突出させている。The stem 40 has a cylindrical shape with an open top and bottom, and is accommodated in the large-diameter cylinder portion 22 and the small-diameter cylinder portion 24 so as to be vertically movable. The first under the stem 40
The upper part of the piston 50 is inserted and fixed.
The seal part 51 is projected from the lower part of the.
【００２６】ステム４０の内側上部には断面略Ｌ字状に
突出する環状の弁座４１が形成されている。ステム４０
の内部であって弁座４１の上側は気液混合室４６になっ
ていて、ここには弁座４１に着座及び離反可能な球形の
液吐出弁７０が移動可能に収容されている。An annular valve seat 41 is formed in the upper portion of the inside of the stem 40 and projects in a substantially L-shaped cross section. Stem 40
The upper part of the valve seat 41 is a gas-liquid mixing chamber 46, in which a spherical liquid discharge valve 70 that can be seated on and separated from the valve seat 41 is movably accommodated.
【００２７】ステム４０の内側であって、第１ピストン
３０を固定した部位よりも上から弁座４１の下部に至る
部分には上下方向に延びる複数の縦リブ４２が周方向に
分散して設けられている。この縦リブ４２の内側には、
図２に示すようにポンプヘッド１００を押し下げてステ
ム４０を下降せしめた時に、液吸入弁３０の上部弁体３
５及び小径部３４が進入可能になっており、その際、縦
リブ４２間と、液吸入弁３０の小径部３４における縦溝
３４ａは液通路となる。A plurality of vertical ribs 42 extending in the vertical direction are provided on the inner side of the stem 40 and extending from above the part where the first piston 30 is fixed to the lower part of the valve seat 41 in a circumferential direction. Have been. Inside the vertical rib 42,
When the stem 40 is lowered by pushing down the pump head 100 as shown in FIG.
5 and the small-diameter portion 34 can enter. At this time, the vertical groove 34a between the vertical ribs 42 and the small-diameter portion 34 of the liquid suction valve 30 becomes a liquid passage.
【００２８】ステム４０の上部に連結されるポンプヘッ
ド１００は外側筒部材１１０と内側筒部材１２０とを備
えている。内側筒部材１２０は上下を開口させた中空筒
状をなし、上から小径部（泡流通部）１２１、中径部１
２２、大径部１２３となっていて、大径部１２３の下方
には大径部１２３よりも大径のスカート筒部１２４が連
なっている。又、スカート筒部１２４の内側であって大
径部１２３の下方延長上には筒状弁体１２５が突出形成
されている。The pump head 100 connected to the upper part of the stem 40 has an outer tubular member 110 and an inner tubular member 120. The inner cylindrical member 120 has a hollow cylindrical shape with an open top and bottom, and has a small diameter portion (bubble flowing portion) 121 and a middle diameter portion 1 from above.
22, a large-diameter portion 123, and a skirt tube portion 124 having a larger diameter than the large-diameter portion 123 continues below the large-diameter portion 123. Further, a cylindrical valve body 125 is formed to protrude inside the skirt tube portion 124 and on a downward extension of the large diameter portion 123.
【００２９】内側筒部材１２０の小径部１２１には噴出
孔１２１ｂがただ一つ開口している。内側筒部材１２０
の大径部１２３の内部にはステム４０の上部が嵌め込ま
れ固定されている。又、大径部１２３の内周面には上下
方向に延びる複数の縦溝１２３ａが周方向に分散して設
けられている。この縦溝１２３ａの上端はステム４０の
上端よりも若干上方まで延びており、縦溝１２３ａは空
気流路として機能する。The small diameter portion 121 of the inner cylindrical member 120 has only one ejection hole 121b. Inner tubular member 120
The upper portion of the stem 40 is fitted and fixed inside the large-diameter portion 123. Further, a plurality of vertical grooves 123a extending in the vertical direction are provided on the inner peripheral surface of the large-diameter portion 123 so as to be dispersed in the circumferential direction. The upper end of the vertical groove 123a extends slightly above the upper end of the stem 40, and the vertical groove 123a functions as an air passage.
【００３０】内側筒部材１２０の中径部１２２の内側に
は発泡ユニット１３０が収納固定されている。発泡ユニ
ット１３０は、上下を開口させた中空円筒状のケーシン
グ１３１と、ケーシング１３１に装着された２つの発泡
エレメント１３２とで構成されている。ケーシング１３
１は上側が大径部１３１ａ、下側が小径部１３１ｂにな
っていて、大径部１３１ａは内側筒部材１２０の中径部
１２２の内部に挿入固定され、小径部１３１ｂはステム
４０内に径方向に隙間を有して挿入されている。又、大
径部１３１ａの底部とステム４０の上端との間にも隙間
が設けられており、これら隙間は空気流路として機能す
る。A foaming unit 130 is housed and fixed inside the middle diameter portion 122 of the inner cylindrical member 120. The foaming unit 130 includes a hollow cylindrical casing 131 having an open top and bottom, and two foaming elements 132 attached to the casing 131. Casing 13
Reference numeral 1 denotes a large-diameter portion 131a on the upper side and a small-diameter portion 131b on the lower side. The large-diameter portion 131a is inserted and fixed inside the middle-diameter portion 122 of the inner tubular member 120, and the small-diameter portion 131b is radially inserted into the stem 40. Is inserted with a gap. Also, gaps are provided between the bottom of the large diameter portion 131a and the upper end of the stem 40, and these gaps function as air passages.
【００３１】発泡エレメント１３２は上下を開口させた
筒体の一端開口に網（発泡部材）１３３を取り付けて構
成されており、ケーシング１３１内において下側に配さ
れた発泡エレメント１３２では筒体の下側開口に網１３
３が取り付けられており、ケーシング１３１内において
上側に配された発泡エレメント１３２では筒体１３２ａ
の上側開口に網１３２ｂが取り付けられている。The foaming element 132 is constituted by attaching a net (foaming member) 133 to one end opening of a cylindrical body which is opened up and down. Net 13 on side opening
3 is attached, and in the foaming element 132 arranged on the upper side in the casing 131, the cylindrical body 132a
A net 132b is attached to the upper opening of the web.
【００３２】ケーシング１３１の小径部１３１ｂの下部
内周面にはその下端面から上方に延びる複数の縦溝が形
成されており、液吐出弁７０が小径部１３１ｂの下端に
突き当たった時にも液及び空気の流路を確保できるよう
になっている。A plurality of vertical grooves extending upward from the lower end surface of the small diameter portion 131b of the casing 131 are formed in the lower inner peripheral surface thereof. The air flow path can be secured.
【００３３】ポンプヘッド１００の外側筒部材１１０は
有頂円筒状の周壁部１１１を有し、周壁部１１１の上部
一側には側方に突出する突出部１１２が設けられてい
る。周壁部１１１の内部は下側が大径で上側が小径の段
付き穴となっている。一方、突出部１１２は先端が略矩
形の噴出口１１３として開口する筒状をなし、噴出口１
１３は外側筒部材１１０の内部において前記段付き穴の
上端に連なっている。尚、噴出口１１３の形状は矩形に
限るものではなく、円形や楕円形等であってもよい。The outer tubular member 110 of the pump head 100 has a peripheral wall 111 having a cylindrical shape with a top, and a protrusion 112 protruding laterally is provided on one upper side of the peripheral wall 111. The inside of the peripheral wall portion 111 is a stepped hole having a large diameter on the lower side and a small diameter on the upper side. On the other hand, the protruding portion 112 has a cylindrical shape whose tip opens as a substantially rectangular ejection port 113,
13 is connected to the upper end of the stepped hole inside the outer cylindrical member 110. Note that the shape of the ejection port 113 is not limited to a rectangle, and may be a circle, an ellipse, or the like.
【００３４】外側筒部材１１０の天板部１１４の内面か
らは筒部（閉塞体）１１５が下方に延びており、筒部１
１５には開口１１５ａがただ１つだけ開いている。この
外側筒部材１１０は、筒部１１５を内側筒部材１２０の
小径部１２１の内部に液密に回動可能に嵌入せしめ、外
側筒部材１１０の段付き穴の小径部分に内側筒部材１２
０の中径部１２２を液密に回動可能に嵌合し、段付き穴
の大径部分に内側筒部材１２０の大径部１２３を隙間を
有して挿入し、内側筒部材１２０に対して回動可能に外
嵌している。From the inner surface of the top plate portion 114 of the outer tubular member 110, a tubular portion (closing body) 115 extends downward.
15 has only one opening 115a. The outer cylindrical member 110 has a cylindrical portion 115 which is rotatably fitted in the small-diameter portion 121 of the inner cylindrical member 120 in a liquid-tight manner, and is fitted into the small-diameter portion of the stepped hole of the outer cylindrical member 110.
0, the medium diameter portion 122 is fitted in a liquid-tight manner so as to be rotatable, and the large diameter portion 123 of the inner cylindrical member 120 is inserted into the large diameter portion of the stepped hole with a gap. To be rotatably fitted.
【００３５】図５は外側筒部材１１０の筒部１１５と内
側筒部材１２０の小径部１２１の横断面図であり、図６
は外側筒部材１１０の段付き穴の大径部分と内側筒部材
１２０の大径部１２３の横断面図である。FIG. 5 is a cross-sectional view of the tubular portion 115 of the outer tubular member 110 and the small diameter portion 121 of the inner tubular member 120.
Is a cross-sectional view of a large-diameter portion of the stepped hole of the outer tubular member 110 and a large-diameter portion 123 of the inner tubular member 120.
【００３６】図６に示すように、外側筒部材１１０の段
付き穴の大径部分の内周面には、互いに周方向に１８０
度離れた位置に、上下方向に延びるストッパ突起１１６
と乗り越え突起１１７が１組ずつ形成されている。一
方、内側筒部材１２０の大径部１２３の外周面には互い
に周方向に１８０度離れた位置に各１つずつ上下方向に
延びる突起１２３ｂが形成されている。外側筒部材１１
０と内側筒部材１２０を相対回転させた時に、内側筒部
材１２０の突起１２３ｂは乗り越え突起１１７について
は所定の抵抗感を持って乗り越えることができるが、ス
トッパ突起１１６を乗り越えることはできないようにな
っていて、ストッパ突起１１６により外側筒部材１１０
の回転が規制される。As shown in FIG. 6, the inner peripheral surface of the large-diameter portion of the stepped hole of the outer cylindrical member 110 has a circumferential direction of 180 degrees.
A stopper projection 116 extending vertically
And the overhanging projections 117 are formed one by one. On the other hand, on the outer peripheral surface of the large-diameter portion 123 of the inner cylindrical member 120, projections 123b are formed, each extending vertically in a position 180 degrees apart from each other in the circumferential direction. Outer tubular member 11
When the inner cylinder member 120 and the inner cylinder member 120 are relatively rotated, the projection 123b of the inner cylinder member 120 can get over the projection 117 with a predetermined sense of resistance, but cannot get over the stopper projection 116. And the outer cylindrical member 110 is
Rotation is regulated.
【００３７】図６のように突起１２３ｂがストッパ突起
１１６と乗り越え突起１１７との間に位置している時に
は、筒部１１５の外周面が噴出孔１２１ｂを閉塞し、小
径部１２１の内周面が筒部１１５の開口１１５ａを閉塞
する。そして、外側筒部材１１０を内側筒部材１２０に
対して回転し、突起１２３ｂをして乗り越え突起１１７
を乗り越えさせ１８０度離れた他方のストッパ突起１１
７に係止させた状態では、筒部１１５の開口１１５ａと
噴出孔１２１ｂが連通し、噴出孔１２１ｂの前方に噴出
口１１３が位置する。When the projection 123b is located between the stopper projection 116 and the overhang projection 117 as shown in FIG. 6, the outer peripheral surface of the cylindrical portion 115 closes the ejection hole 121b, and the inner peripheral surface of the small-diameter portion 121 is closed. The opening 115a of the cylinder 115 is closed. Then, the outer cylinder member 110 is rotated with respect to the inner cylinder member 120 to move over the projection 123b to get over the projection 117.
The other stopper projection 11 that is 180 degrees away from
7, the opening 115a of the cylindrical portion 115 communicates with the ejection hole 121b, and the ejection port 113 is located in front of the ejection hole 121b.
【００３８】内側筒部材１２０のスカート筒部１２４は
外側筒部材１１０の周壁部１１１よりも下方に突出して
おり、スカート筒部１２４と周壁部１１１は装着筒１５
０の中央筒部１５１を上下動可能に挿入されている。中
央筒部１５１の内周面には上下方向に延びる縦リブ１５
１ａが多数形成されており、スカート筒部１２４の外周
面の下端には縦リブ１５１ａ間に挿入される多数の係合
突起１２４ａが外方に突出して形成されている。図７に
示すように、縦リブ１５１ａの下端は下方に進むにした
がって細り、係合突起１２４ａの上端は上方に進むにし
たがって細っていて、ポンプヘッド１００が下方から上
昇移動した時に、縦リブ１５１ａと係合突起１２４ａは
互いのテーパー面によって案内されるようになってい
る。The skirt tube portion 124 of the inner tube member 120 projects below the peripheral wall portion 111 of the outer tube member 110, and the skirt tube portion 124 and the peripheral wall portion 111
0 is inserted so as to be vertically movable. Vertical ribs 15 extending in the vertical direction are provided on the inner peripheral surface of the central cylindrical portion 151.
A plurality of engagement protrusions 124a inserted between the vertical ribs 151a are formed at the lower end of the outer peripheral surface of the skirt tube portion 124 so as to protrude outward. As shown in FIG. 7, the lower end of the vertical rib 151a becomes thinner as it goes downward, and the upper end of the engagement protrusion 124a becomes thinner as it goes upward. When the pump head 100 moves upward from below, the vertical rib 151a And the engagement protrusion 124a are guided by their respective tapered surfaces.
【００３９】ステム４０の外周であって上下方向のほぼ
中間には外方に張り出す環状のフランジ部４３が形成さ
れており、フランジ部４３の上面には環状の起立壁４４
が上向きに突設されている。起立壁４４の内周面は上方
に進むにしたがって拡径するテーパ面に形成されてい
る。An annular flange 43 projecting outward is formed on the outer periphery of the stem 40 and substantially at the center in the vertical direction. An annular upright wall 44 is formed on the upper surface of the flange 43.
Is projected upward. The inner peripheral surface of the upright wall 44 is formed as a tapered surface whose diameter increases as it goes upward.
【００４０】ステム４０には、フランジ部４３とポンプ
ヘッド１００との間に第２ピストン６０が僅かに上下動
可能に外嵌している。第２ピストン６０は上下を開口さ
せた中空筒状をなし、最外部はシリンダ部材２０の大径
シリンダ部２２の内周面を気密に摺動するシール筒部６
１に形成されており、最内部はステム４０を外嵌する基
筒部６２に形成されていて、シール筒部６１と基筒部６
２は断面が階段状に屈曲してなる段付き筒部６３によっ
て接続されている。The second piston 60 is fitted on the stem 40 between the flange 43 and the pump head 100 so as to be slightly vertically movable. The second piston 60 has a hollow cylindrical shape with upper and lower openings, and the outermost portion is a seal cylindrical portion 6 that hermetically slides on the inner peripheral surface of the large-diameter cylinder portion 22 of the cylinder member 20.
1, the innermost part is formed in a base cylinder part 62 for externally fitting the stem 40, and the seal cylinder part 61 and the base cylinder part 6 are formed.
Numerals 2 are connected by a stepped cylindrical portion 63 whose section is bent stepwise.
【００４１】基筒部６２の上部はポンプヘッド１００の
筒状弁体１２５の内周面に気密に摺動可能に圧接してい
る。基筒部６２と段付き筒部６３との連結部分には空気
孔６４が周方向に分散して設けられており、この空気孔
６４はポンプヘッド１００と第２ピストン６０との相対
上下動によって開閉する。即ち、ポンプヘッド１００と
第２ピストン６０が相対的に上下動して、ポンプヘッド
１００の筒状弁体１２５が基筒部６２と段付き筒部６３
との連結部分に突き当たると空気孔６４は閉塞せしめら
れ、筒状弁体１２５が前記連結部分から離間すると空気
孔６４は開放せしめられる。The upper portion of the base cylinder portion 62 is slidably pressed against the inner peripheral surface of the cylindrical valve body 125 of the pump head 100 in an airtight manner. Air holes 64 are provided in the connecting portion between the base cylinder portion 62 and the stepped cylinder portion 63 in a circumferential direction, and the air holes 64 are formed by the relative vertical movement of the pump head 100 and the second piston 60. Open and close. In other words, the pump head 100 and the second piston 60 move up and down relatively, and the cylindrical valve element 125 of the pump head 100 moves the base cylinder portion 62 and the stepped cylinder portion 63.
The air hole 64 is closed when it comes into contact with the connecting portion, and the air hole 64 is opened when the cylindrical valve element 125 is separated from the connecting portion.
【００４２】基筒部６２の下端は、ステム４０と第２ピ
ストン６０との相対上下動によってステム４０の起立壁
４４の内周面に当接離反する。ステム４０の外周面であ
って基筒部６２が外嵌する部位には、上下方向に延びる
複数の縦溝４５が周方向に分散して設けられている。こ
の縦溝４５は基筒部６２の下端がステム４０の起立壁４
４から離間した時に大径シリンダ部２２の内部に連通
し、基筒部６２の下端が起立壁４４に当接した時に大径
シリンダ部２２の内部から遮断される。The lower end of the base cylinder portion 62 comes into contact with and separates from the inner peripheral surface of the upright wall 44 of the stem 40 due to the relative vertical movement of the stem 40 and the second piston 60. A plurality of vertical grooves 45 extending in the up-down direction are provided on the outer peripheral surface of the stem 40 and in a portion where the base cylinder portion 62 is fitted to the outside, and are distributed in the circumferential direction. The vertical groove 45 is formed such that the lower end of the base cylinder portion 62 is
When the lower end of the base cylinder portion 62 is separated from the large-diameter cylinder portion 22, it communicates with the inside of the large-diameter cylinder portion 22.
【００４３】基筒部６２の下部には第２空気吸入弁９０
が固定されている。第２空気吸入弁９０はその下端から
径方向外方に広がる上向きテーパーの環状のダイアフラ
ム９１を備えている。このダイアフラム９１は弾性を有
していて、通常はダイアフラム９１の外周縁部が第２ピ
ストン６０の段付き筒部６３の下面に圧接してシール
し、大径シリンダ部２２内の負圧化によりダイアフラム
９１の外周縁は下方に引っ張られて段付き筒部６３から
離間するように動作する。A second air suction valve 90 is provided below the base cylinder portion 62.
Has been fixed. The second air intake valve 90 includes an upwardly tapered annular diaphragm 91 that extends radially outward from the lower end. The diaphragm 91 has elasticity. Usually, the outer peripheral edge of the diaphragm 91 is pressed against the lower surface of the stepped cylindrical portion 63 of the second piston 60 to seal it, and the negative pressure in the large-diameter cylinder portion 22 is reduced. The outer peripheral edge of the diaphragm 91 is pulled downward and operates so as to be separated from the stepped cylindrical portion 63.
【００４４】ところで、装着筒１５０は中央筒部１５１
の外側に筒状リブ１５２を有しており、この筒状リブ１
５２の下端には、装着筒１５０と大径シリンダ部２２の
内周面との間をシールする第１空気吸入弁８０が固定さ
れている。大径シリンダ部２２に当接する第１吸入弁８
０のシール筒部８１はテーパー筒状をなし斜め上向きに
延びていて弾性を有しており、容器体１内の負圧化によ
りシール筒部８１の上端部は径方向内方に引っ張られて
大径シリンダ部２２の内周面から離間するように動作す
る。By the way, the mounting cylinder 150 is attached to the central cylinder 151.
Has a cylindrical rib 152 outside the cylindrical rib 1.
At the lower end of 52, a first air intake valve 80 that seals between the mounting cylinder 150 and the inner peripheral surface of the large-diameter cylinder portion 22 is fixed. First suction valve 8 in contact with large-diameter cylinder portion 22
The zero seal cylinder portion 81 has a tapered cylindrical shape, extends obliquely upward and has elasticity, and the upper end portion of the seal cylinder portion 81 is pulled radially inward by negative pressure in the container body 1. It operates so as to be separated from the inner peripheral surface of the large diameter cylinder portion 22.
【００４５】尚、装着筒１５０には透明なカバー２０２
が着脱可能に取り付けられている。The transparent cover 202 is attached to the mounting cylinder 150.
Is detachably attached.
【００４６】＜作用＞次に、第１の実施の形態における
泡噴出ポンプ付き容器の動作を説明する。図１及び図３
はポンプヘッド１００を押し下げる前の状態であり、つ
まりポンプヘッド１００が上限に位置している状態であ
る。又、図１はポンプヘッド１００における内側筒部材
１２０の噴出孔１２１ｂを閉塞せしめた状態でもある。<Operation> Next, the operation of the container with a foam ejection pump according to the first embodiment will be described. 1 and 3
Is a state before the pump head 100 is pushed down, that is, a state in which the pump head 100 is located at the upper limit. FIG. 1 also shows a state in which the ejection hole 121b of the inner cylindrical member 120 in the pump head 100 is closed.
【００４７】泡を噴出する場合には、まず、カバー２０
２を外し、ポンプヘッド１００の外側筒部材１１０を内
側筒部材１２０に対して回転して、内側筒部材１２０の
噴出孔１２１ｂを外側筒部材１１０の開口１１５ａに連
通する。When blowing bubbles, first, the cover 20
2 is removed, the outer cylinder member 110 of the pump head 100 is rotated with respect to the inner cylinder member 120, and the ejection hole 121b of the inner cylinder member 120 communicates with the opening 115a of the outer cylinder member 110.
【００４８】ポンプヘッド１００を押し下げる前の状態
では、液吸入弁３０は第１ピストン５０を介しコイルス
プリング３９によって押し上げられており、下部弁体３
１はシリンダ部材２０の弁座２４ａから離間しており、
小径シリンダ部２４内は吸い上げパイプ２０１を介して
容器体１内と連通した状態にある。液吸入弁３０の上部
弁体３５は第１ピストン５０の弁座５２に着座し第１ピ
ストン５０の上部開口を閉塞している。第２ピストン６
０の基筒部６２の下端はステム４０の起立壁４４に当接
し、第１空気吸入弁８０は第２ピストン６０の段付き筒
部６３とシリンダ部材２０の大径シリンダ部２２に圧接
し、ポンプヘッド１００の筒状弁体１２５の下端は第２
ピストン６０の段付き筒部６３から離間し、空気孔６４
を開放している。Before the pump head 100 is pushed down, the liquid suction valve 30 is pushed up by the coil spring 39 via the first piston 50 and the lower valve body 3
1 is separated from the valve seat 24a of the cylinder member 20,
The inside of the small-diameter cylinder portion 24 is in communication with the inside of the container body 1 via the suction pipe 201. The upper valve body 35 of the liquid suction valve 30 is seated on the valve seat 52 of the first piston 50 and closes the upper opening of the first piston 50. Second piston 6
0, the lower end of the base cylinder portion 62 abuts against the upright wall 44 of the stem 40, and the first air suction valve 80 presses against the stepped cylinder portion 63 of the second piston 60 and the large-diameter cylinder portion 22 of the cylinder member 20, The lower end of the cylindrical valve element 125 of the pump head 100 is the second
The air hole 64 is separated from the stepped cylindrical portion 63 of the piston 60.
Is open.
【００４９】この状態からポンプヘッド１００を押し下
げていくと、ステム４０と第１ピストン５０がポンプヘ
ッド１００と一体となって下降し、その結果、図４に示
すように第１ピストン５０の弁座５２から液吸入弁３０
の上部弁体３５が離間し、第１ピストン５０の上部開口
を開放する。これとほぼ同時に第１ピストン５０の下降
により小径シリンダ部２４内が加圧され、小径シリンダ
部２４内の液圧によって液吸入弁３０が下降せしめら
れ、下部弁体３１が弁座２４ａに着座して、小径シリン
ダ部２４の下部開口を閉塞する。一方、第２ピストン６
０は、ポンプヘッド１００の押し下げ開始直後はシール
筒部６１と大径シリンダ部２２との摩擦力によって停止
しており、その状態でステム４０が下降する結果、第２
ピストン６０の基筒部６２の下端はステム４０の起立突
起４４から離間し、ポンプヘッド１００の筒状弁体１２
５の下端が第２ピストン６０の段付き筒部６３に突き当
たって空気孔６４を閉ざす。When the pump head 100 is pushed down from this state, the stem 40 and the first piston 50 are lowered integrally with the pump head 100, and as a result, as shown in FIG. 52 to the liquid suction valve 30
Of the first piston 50 is separated, and the upper opening of the first piston 50 is opened. At about the same time, the inside of the small-diameter cylinder portion 24 is pressurized by the lowering of the first piston 50, the liquid suction valve 30 is lowered by the hydraulic pressure in the small-diameter cylinder portion 24, and the lower valve body 31 is seated on the valve seat 24a. Then, the lower opening of the small-diameter cylinder portion 24 is closed. On the other hand, the second piston 6
0 indicates that immediately after the start of the depression of the pump head 100, the pump 40 is stopped by the frictional force between the seal cylinder portion 61 and the large-diameter cylinder portion 22, and the stem 40 descends in this state.
The lower end of the base cylinder portion 62 of the piston 60 is separated from the upstanding projection 44 of the stem 40, and the cylindrical valve body 12 of the pump head 100 is
The lower end of 5 abuts against the stepped cylindrical portion 63 of the second piston 60 to close the air hole 64.
【００５０】ポンプヘッド１００の筒状弁体１２５の下
端が第２ピストン６０の段付き筒部６３に突き当たった
以後は、第２ピストン６０もポンプヘッド１００、ステ
ム４０、第１ピストン５０と一体となって下降する。After the lower end of the cylindrical valve element 125 of the pump head 100 abuts against the stepped cylindrical portion 63 of the second piston 60, the second piston 60 is also integrated with the pump head 100, the stem 40, and the first piston 50. And descend.
【００５１】これ以降においてポンプヘッド１００が下
降すると、第１ピストン３０によって加圧された小径シ
リンダ部２４内の液体は、第１ピストン３０の上部開口
及び液吸入弁３０の縦溝３３ａ，３４ａを通り、ステム
４０の縦リブ４２の間を通って、上部弁体３５の上方に
押し出され、更に液圧で液吐出弁７０を押し上げて気液
混合室４６内に流入する（図２参照）。一方、大径シリ
ンダ部２２内に収容された空気は、ステム４０のフラン
ジ部４３及び起立突起４４と第２ピストン６０における
基筒部６２の下端との間を通って、ステム４０の縦溝４
５を通り、ポンプヘッド１００における内側筒部材１２
０の縦溝１２３ａを通り、更に発泡ユニット１３０のケ
ーシング１３１とステム４０との間の通路を通って、気
液混合室４６内に流入する。Thereafter, when the pump head 100 descends, the liquid in the small-diameter cylinder portion 24 pressurized by the first piston 30 moves through the upper opening of the first piston 30 and the vertical grooves 33a, 34a of the liquid suction valve 30. As described above, the liquid is passed through the space between the vertical ribs 42 of the stem 40 and is pushed out above the upper valve body 35, and further pushes up the liquid discharge valve 70 by the liquid pressure to flow into the gas-liquid mixing chamber 46 (see FIG. 2). On the other hand, the air contained in the large-diameter cylinder portion 22 passes between the flange portion 43 and the upright projection 44 of the stem 40 and the lower end of the base cylinder portion 62 of the second piston 60, and passes through the vertical groove 4 of the stem 40.
5 through the inner cylindrical member 12 of the pump head 100.
The gas flows into the gas-liquid mixing chamber 46 through the vertical groove 123a, and further passes through the passage between the casing 131 and the stem 40 of the foaming unit 130.
【００５２】そして、気液混合室４６内で液体と空気は
合流し混合されて、発泡ユニット１３０内に送られる。
そして、発泡ユニット１３０の上下２つの網１３３を通
過する際に液体は発泡せしめられ、泡の状態でポンプヘ
ッド１００の筒部１１５内に押し出される。この泡は、
筒部１１５の開口１１５ａ及び小径部１２１における噴
出孔１２１ｂを通って、ポンプヘッド１００の噴出口１
１３から噴出する。図８はこの時の泡の噴出状態を示し
ている。Then, the liquid and the air merge and mix in the gas-liquid mixing chamber 46 and are sent into the foaming unit 130.
Then, when the liquid passes through the upper and lower two nets 133 of the foaming unit 130, the liquid is foamed, and is extruded into the cylinder 115 of the pump head 100 in a foamed state. This foam
Through the opening 115a of the cylindrical portion 115 and the ejection hole 121b of the small diameter portion 121, the ejection port 1 of the pump head 100
It gushes from 13. FIG. 8 shows the state of blowing bubbles at this time.
【００５３】ポンプヘッド１００の押し下げが終わって
ポンプヘッド１００から指を離すと、小径シリンダ部２
４内の液圧、及び、大径シリンダ部２２内の空気圧は下
がり、液吐出弁７０が弁座４１に着座し、コイルスプリ
ング３９の弾性によって第１ピストン５０、ステム４
０、ポンプヘッド１００が上方に押し上げられる。When the finger is released from the pump head 100 after the pump head 100 has been pressed down, the small-diameter cylinder 2
4 and the air pressure in the large-diameter cylinder portion 22 decrease, the liquid discharge valve 70 is seated on the valve seat 41, and the first piston 50 and the stem 4
0, the pump head 100 is pushed upward.
【００５４】ここで、第２ピストン６０は、ステム４０
の押し上げ開始直後はシール筒部６１と大径シリンダ部
２２との摩擦力によって停止しており、その状態でステ
ム４０が上昇する結果、ステム４０の起立突起４４の内
周面が第２ピストン６０の基筒部６２の下端に圧接し、
大径シリンダ部２２内とステム４０の縦溝４５との間を
遮断する。これと同時に、ポンプヘッド１００の筒状弁
体１２５の下端が第２ピストン６０の段付き筒部６３か
ら離間し、空気孔６４を開放する。Here, the second piston 60 is connected to the stem 40
Immediately after the start of pushing, the stem 40 is stopped by the frictional force between the seal cylinder portion 61 and the large-diameter cylinder portion 22, and in this state, the stem 40 rises, so that the inner peripheral surface of the rising projection 44 of the stem 40 Is pressed against the lower end of the base cylinder portion 62 of
The inside of the large-diameter cylinder portion 22 and the vertical groove 45 of the stem 40 are shut off. At the same time, the lower end of the cylindrical valve body 125 of the pump head 100 is separated from the stepped cylindrical portion 63 of the second piston 60, and the air hole 64 is opened.
【００５５】起立突起４４の内周面が基筒部６２の下端
に突き当たった以降は、第１ピストン５０とステム４０
と第２ピストン６０とポンプヘッド１００は一体となっ
て上昇する。After the inner peripheral surface of the upright projection 44 abuts against the lower end of the base cylinder portion 62, the first piston 50 and the stem 40
, The second piston 60 and the pump head 100 rise as a unit.
【００５６】第１ピストン５０が上昇すると小径シリン
ダ部２４内が負圧化し、それによって液吸入弁３０が引
き上げられ、下部弁体３１が弁座２４ａから離間して、
小径シリンダ部２４内が容器体１内に連通する。その結
果、容器体１内の液体が第１ピストン５０の上昇に伴っ
て小径シリンダ部２４内に吸い上げられる。When the first piston 50 rises, the pressure in the small-diameter cylinder portion 24 becomes negative, whereby the liquid suction valve 30 is pulled up, and the lower valve body 31 is separated from the valve seat 24a.
The inside of the small-diameter cylinder portion 24 communicates with the inside of the container body 1. As a result, the liquid in the container body 1 is sucked into the small-diameter cylinder portion 24 as the first piston 50 rises.
【００５７】液体が小径シリンダ部２４内にポンプアッ
プされると容器体１内が負圧化し、これに起因して第１
空気吸入弁８０のシール筒部８１が大径シリンダ部２２
の内周面から離間する方向に引き付けられ、大径シリン
ダ部２２との間に隙間が生じる。When the liquid is pumped up into the small-diameter cylinder portion 24, the pressure inside the container 1 becomes negative, and as a result, the first
The seal cylinder portion 81 of the air suction valve 80 is the large-diameter cylinder portion 22
Is attracted in a direction away from the inner peripheral surface of the large-diameter cylinder portion 22, and a gap is generated between the large-diameter cylinder portion 22.
【００５８】又、第２ピストン６０の上昇に伴って大径
シリンダ部２２内も負圧化し、これに起因して第２空気
吸入弁９０のダイアフラム９１が下方に引き付けられ、
第２ピストン６０の段付き筒部６３から離間し隙間が生
じる。Further, as the second piston 60 rises, the inside of the large-diameter cylinder portion 22 also becomes negative, and as a result, the diaphragm 91 of the second air suction valve 90 is attracted downward,
The second piston 60 is separated from the stepped cylindrical portion 63 to form a gap.
【００５９】第１空気吸入弁８０及び第２空気吸入弁９
０がこのように動作する結果、外気が装着筒１５０の中
央筒部１５１とポンプヘッド１００との間から装着筒１
５０内に吸い込まれる。そして、一部の空気は第２ピス
トン６０の空気孔６４を通って大径シリンダ部２２内に
入り、他の空気はシリンダ部材２０におけるフランジ部
２１の空気孔２７を通って容器体１内に入る。これによ
って大径シリンダ部２２内及び容器体１内は大気圧と等
圧になり、第１ピストン５０及び第２ピストン６０の上
昇がスムーズに行われ、液体の小径シリンダ部２４内へ
のポンプアップがスムーズに行われる。First air intake valve 80 and second air intake valve 9
0 operates in this manner, so that the outside air flows from between the central cylindrical portion 151 of the mounting cylinder 150 and the pump head 100.
It is sucked in 50. Part of the air enters the large-diameter cylinder portion 22 through the air hole 64 of the second piston 60, and the other air enters the container body 1 through the air hole 27 of the flange portion 21 of the cylinder member 20. enter. As a result, the inside of the large-diameter cylinder portion 22 and the inside of the container body 1 have the same pressure as the atmospheric pressure, the first piston 50 and the second piston 60 are smoothly raised, and the liquid is pumped up into the small-diameter cylinder portion 24. Is performed smoothly.
【００６０】ポンプヘッド１００を上限位置まで復帰せ
しめた後、容器を非使用状態とする場合には、ポンプヘ
ッド１００の外側筒部材１１０を内側筒部材１２０に対
して回転し、内側筒部材１２０の噴出孔１２１ｂを外側
筒部材１１０の筒部１１５によって閉塞し、筒部１１５
の開口１１５ａを内側筒部材１２０の小径部１２１によ
って閉塞する。この時、外側筒部材１１０の突起１２３
ｂは内側筒部材１２０の乗り越え突起１１７を乗り越え
てストッパ突起１１６に突き当たる。After the pump head 100 is returned to the upper limit position, when the container is not used, the outer tubular member 110 of the pump head 100 is rotated with respect to the inner tubular member 120, and the inner tubular member 120 is rotated. The ejection hole 121b is closed by the tubular portion 115 of the outer tubular member 110, and the tubular portion 115
Is closed by the small diameter portion 121 of the inner cylindrical member 120. At this time, the protrusion 123 of the outer tubular member 110
b crosses over the overhanging projection 117 of the inner cylindrical member 120 and abuts on the stopper projection 116.
【００６１】このように、開口１１５ａ及び噴出孔１２
１ｂを閉塞すると、泡噴出ポンプ１０の内部が乾燥する
のを防止することができ、噴出されずに泡噴出ポンプ１
０内に残留する泡が乾燥固化することはない。したがっ
て、発泡ユニット１３０の網１３３に付着した泡も乾燥
固化することはなく、網１３３が目詰まりすることもな
い。その結果、次回、泡を噴出する時にも泡を確実に且
つ安定して形成することができる。As described above, the opening 115a and the ejection hole 12
1b, it is possible to prevent the inside of the foam ejection pump 10 from drying, and the foam ejection pump 1 is not ejected.
The foam remaining in 0 does not dry and solidify. Therefore, the foam attached to the net 133 of the foaming unit 130 is not dried and solidified, and the net 133 is not clogged. As a result, the foam can be surely and stably formed the next time the foam is ejected.
【００６２】[0062]
【発明の効果】以上説明したように、本発明によれば、
非使用時には泡噴出ポンプ内を密閉することができ、噴
出されずにポンプ内に残留する泡が乾燥固化するのを防
止することができる。その結果、泡噴出ポンプの発泡性
能が損なわれることがなく、常に泡を確実に且つ安定し
て形成することができるという優れた効果が奏される。
特に、発泡部材が網の場合、この効果は顕著である。As described above, according to the present invention,
When not in use, the inside of the foam ejection pump can be sealed, and the foam remaining in the pump without being ejected can be prevented from drying and solidifying. As a result, there is an excellent effect that the foaming performance of the foam ejection pump is not impaired and the foam can always be formed reliably and stably.
In particular, when the foam member is a net, this effect is remarkable.
【図１】 本発明の第１の実施の形態における泡噴出ポ
ンプ付き容器の縦断面図であり、ポンプヘッドが上限に
位置した状態を示している。FIG. 1 is a longitudinal sectional view of a container with a foam ejection pump according to a first embodiment of the present invention, showing a state where a pump head is located at an upper limit.
【図２】 本発明の第１の実施の形態における泡噴出ポ
ンプ付き容器の縦断面図であり、ポンプヘッドを途中ま
で押し下げた状態を示している。FIG. 2 is a longitudinal sectional view of the container with a foam ejection pump according to the first embodiment of the present invention, showing a state where a pump head is pushed down partway.
【図３】 本発明の第１の実施の形態における泡噴出ポ
ンプ付き容器の要部を拡大して示す縦断面図である。FIG. 3 is an enlarged longitudinal sectional view showing a main part of the container with a foam ejection pump according to the first embodiment of the present invention.
【図４】 本発明の第１の実施の形態における泡噴出ポ
ンプ付き容器の要部を拡大して示す縦断面図である。FIG. 4 is an enlarged longitudinal sectional view showing a main part of the container with a foam ejection pump according to the first embodiment of the present invention.
【図５】 本発明の第１の実施の形態における泡噴出ポ
ンプ付き容器のポンプヘッドの部分横断面図である。FIG. 5 is a partial cross-sectional view of a pump head of the container with a foam ejection pump according to the first embodiment of the present invention.
【図６】 本発明の第１の実施の形態における泡噴出ポ
ンプ付き容器のポンプヘッドの部分横断面図である。FIG. 6 is a partial cross-sectional view of a pump head of the container with a foam ejection pump according to the first embodiment of the present invention.
【図７】 本発明の第１の実施の形態における泡噴出ポ
ンプ付き容器のポンプヘッドと装着筒との係合部分の縦
断面図である。FIG. 7 is a longitudinal sectional view of an engagement portion between a pump head and a mounting cylinder of the container with a foam ejection pump according to the first embodiment of the present invention.
【図８】 本発明の第１の実施の形態における泡噴出ポ
ンプ付き容器の泡の噴出状態を示す図である。FIG. 8 is a view showing a state of foam ejection of a container with a foam ejection pump according to the first embodiment of the present invention.
１ 容器体 ２ 口頚部 １０ 泡噴出ポンプ ２２ 大径シリンダ部（空気用シリンダ） ２４ 小径シリンダ部（液用シリンダ） ４６ 気液混合室 ５０ 第１ピストン ６０ 第２ピストン １００ ポンプヘッド １０４ 噴出口 １１０ 外側筒部材 １１３ 噴出口 １１５ 筒部（閉塞体） １１５ａ 開口 １２０ 内側筒部材 １２１ 小径部（泡流通部） １２１ｂ 噴出孔 １３０ 発泡ユニット １３３ 網（発泡部材） DESCRIPTION OF SYMBOLS 1 Container body 2 neck and neck 10 Bubble ejection pump 22 Large diameter cylinder part (air cylinder) 24 Small diameter cylinder part (liquid cylinder) 46 Gas-liquid mixing chamber 50 First piston 60 Second piston 100 Pump head 104 Spout port 110 Outside Tube member 113 Spout port 115 Tube section (closed body) 115a Opening 120 Inner tube member 121 Small diameter section (bubble flowing section) 121b Spout hole 130 Foaming unit 133 Mesh (foam member)
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭60−217958（ＪＰ，Ａ) 実開 平５−77050（ＪＰ，Ｕ) 実開 平４−15422（ＪＰ，Ｕ) 実開 平７−37959（ＪＰ，Ｕ) 実開 平３−97056（ＪＰ，Ｕ) 実開 平５−54306（ＪＰ，Ｕ) 実開 昭60−89143（ＪＰ，Ｕ) 国際公開92／8657（ＷＯ，Ａ１) (58)調査した分野(Int.Cl.7，ＤＢ名) B65D 47/34 B65D 47/06 B05B 11/06 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-60-217958 (JP, A) JP-A 5-77050 (JP, U) JP-A 4-15422 (JP, U) JP-A 7- 37959 (JP, U) Japanese Utility Model Application Hei 3-97056 (JP, U) Japanese Utility Model Application Hei 5-54306 (JP, U) Japanese Utility Model Application Showa 60-89143 (JP, U) International Publication No. 92/8657 (WO, A1) ( 58) Surveyed field (Int.Cl. 7 , DB name) B65D 47/34 B65D 47/06 B05B 11/06
Claims (2)
けられ、泡噴出ポンプは、内部を第１ピストンが摺動す
る液用シリンダと、内部を第２ピストンが摺動する空気
用シリンダと、噴出口が設けられるとともに第１ピスト
ン及び第２ピストンに連繋し両ピストンを駆動せしめる
ポンプヘッドと、液用シリンダから送出された液体と空
気用シリンダから送出された空気とが合流する気液混合
室と、前記噴出口と気液混合室との間に設置された発泡
部材と、を備え、ポンプヘッドを押し下げることにより
容器体内の液体と外気とを気液混合室で合流せしめ、発
泡部材を通して発泡させ、噴出口から泡の状態で噴出す
る泡噴出ポンプ付き容器において、前記ポンプヘッドは
互いに回動可能に嵌合する内側筒部材と外側筒部材を備
えた二重管構造をなし、内側筒部材は発泡部材より下流
側に位置する泡流通部を備え、この泡流通部に噴出孔が
設けられており、外側筒部材には前記噴出口が設けられ
るとともに、泡流通部を液密に摺動して噴出孔を開閉す
る閉塞体が設けられており、外側筒部材を内側筒部材に
対して回動することにより閉塞体が噴出孔を開閉し、噴
出孔の開状態では噴出孔の前方に噴出口が位置する一
方、容器体の口頚部に螺合する装着筒の中央筒部に縦リ
ブを形成すると共に前記内側筒部材に係合突起を形成
し、該係合突起を前記縦リブ間に挿入して案内とするこ
とを特徴とする泡噴出ポンプ付き容器。1. A foam ejection pump is attached to the mouth and neck of a container body. The foam ejection pump includes a liquid cylinder in which a first piston slides and an air cylinder in which a second piston slides. A pump head provided with an ejection port and connected to the first piston and the second piston to drive both pistons; and a gas-liquid mixture in which the liquid sent from the liquid cylinder and the air sent from the air cylinder merge. Chamber, and a foaming member installed between the jet port and the gas-liquid mixing chamber, and the liquid in the container and the outside air are joined in the gas-liquid mixing chamber by pressing down the pump head, and through the foaming member. In a container with a foam ejection pump that foams and ejects in a foam state from an ejection port, the pump head has a double tube structure including an inner cylinder member and an outer cylinder member that are rotatably fitted to each other. The inner tubular member includes a foam flowing portion located downstream of the foaming member, and the foam flowing portion is provided with an ejection hole, and the outer tubular member is provided with the spray outlet, and includes a foam flowing portion. A closing member that opens and closes the ejection hole by sliding in a liquid-tight manner is provided, and the closing member opens and closes the ejection hole by rotating the outer cylindrical member with respect to the inner cylindrical member. While the ejection port is located in front of the ejection port, a vertical rib is formed in a central cylinder portion of the mounting cylinder screwed to the mouth and neck of the container body, and an engagement projection is formed in the inner cylinder member. A container with a foam ejection pump, wherein the container is inserted between the vertical ribs to serve as a guide.
を案内するテーパ面を有するものであることを特徴とす
る請求項１に記載の泡噴出ポンプ付き容器。2. The container with a foam ejection pump according to claim 1, wherein the vertical rib and the engagement projection have a tapered surface for guiding each other.
Priority Applications (20)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27446395A JP3285187B2 (en) | 1995-10-23 | 1995-10-23 | Container with foam ejection pump |
| CA2533233A CA2533233C (en) | 1994-11-17 | 1995-11-17 | Container with pump for discharging bubbles |
| PCT/JP1995/002356 WO1996015952A1 (en) | 1994-11-17 | 1995-11-17 | Container equipped with bubble injection pump |
| KR1019960703884A KR100311592B1 (en) | 1994-11-17 | 1995-11-17 | Container with pump for discharging bubbles |
| AU38814/95A AU715130B2 (en) | 1994-11-17 | 1995-11-17 | Container with pump for discharging bubbles |
| CA002180859A CA2180859C (en) | 1994-11-17 | 1995-11-17 | Container with pump for discharging bubbles |
| US08/666,574 US5813576A (en) | 1994-11-17 | 1995-11-17 | Container with a pump that mixes liquid and air to discharge bubbles |
| CN95191242A CN1080689C (en) | 1994-11-17 | 1995-11-17 | Container equipped with bubble injection pump |
| DE69534444T DE69534444T2 (en) | 1994-11-17 | 1995-11-17 | CONTAINER WITH A BUBBLE INJECTION PUMP |
| EP95938029A EP0736462B1 (en) | 1994-11-17 | 1995-11-17 | Container equipped with bubble injection pump |
| EP05010226A EP1564151B1 (en) | 1994-11-17 | 1995-11-17 | Container with pump for discharging bubbles |
| EP07018902A EP1873076B1 (en) | 1994-11-17 | 1995-11-17 | Container with pump for discharging bubbles |
| KR10-2001-7003049A KR100370812B1 (en) | 1994-11-17 | 1995-11-17 | Container with pump for discharging bubbles |
| US09/120,328 US6119899A (en) | 1994-11-17 | 1998-07-22 | Container with pump that mixes liquid and air to discharge bubbles |
| US09/626,921 US6299028B1 (en) | 1909-03-29 | 2000-07-27 | Container with pump for discharging bubbles |
| US09/911,403 US20020000452A1 (en) | 1994-11-17 | 2001-07-25 | Container with pump for discharging bubbles |
| US10/281,099 US6793100B2 (en) | 1994-11-17 | 2002-10-28 | Container with pump for discharging bubbles |
| US10/939,568 US7201293B2 (en) | 1994-11-17 | 2004-09-14 | Container with pump for discharging bubbles |
| US11/711,083 US7401714B2 (en) | 1994-11-17 | 2007-02-27 | Container with pump for discharging bubbles |
| US11/711,121 US7275661B2 (en) | 1994-11-17 | 2007-02-27 | Container with pump for discharging bubbles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27446395A JP3285187B2 (en) | 1995-10-23 | 1995-10-23 | Container with foam ejection pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09118352A JPH09118352A (en) | 1997-05-06 |
| JP3285187B2 true JP3285187B2 (en) | 2002-05-27 |
Family
ID=17542041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27446395A Expired - Fee Related JP3285187B2 (en) | 1909-03-29 | 1995-10-23 | Container with foam ejection pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3285187B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008136904A (en) * | 2006-11-30 | 2008-06-19 | Yoshino Kogyosho Co Ltd | Bubble jetting device |
| JP2008136905A (en) * | 2006-11-30 | 2008-06-19 | Yoshino Kogyosho Co Ltd | Bubble jetting device |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU718986B2 (en) | 1997-08-13 | 2000-05-04 | Yoshino Kogyosho Co., Ltd. | Manually operated spray device for liquid |
| JP2007261661A (en) * | 2006-03-29 | 2007-10-11 | Tokyo Raito Kogyo Kk | Container |
| JP4931058B2 (en) * | 2007-01-31 | 2012-05-16 | 株式会社吉野工業所 | Foam ejector and foam ejection container |
| JP5016989B2 (en) * | 2007-02-28 | 2012-09-05 | 株式会社吉野工業所 | Dispenser |
| JP4966723B2 (en) * | 2007-04-19 | 2012-07-04 | 株式会社吉野工業所 | Discharge pump |
| WO2009130462A1 (en) * | 2008-04-23 | 2009-10-29 | Leafgreen Limited | Manual pump type fluid dispenser |
| JP2010184181A (en) * | 2009-02-10 | 2010-08-26 | Lion Corp | Discharger |
| WO2012105206A1 (en) * | 2011-01-31 | 2012-08-09 | 株式会社吉野工業所 | Foam discharge device |
| JP7482738B2 (en) * | 2020-09-28 | 2024-05-14 | 株式会社吉野工業所 | Forma Pump |
-
1995
- 1995-10-23 JP JP27446395A patent/JP3285187B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008136904A (en) * | 2006-11-30 | 2008-06-19 | Yoshino Kogyosho Co Ltd | Bubble jetting device |
| JP2008136905A (en) * | 2006-11-30 | 2008-06-19 | Yoshino Kogyosho Co Ltd | Bubble jetting device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09118352A (en) | 1997-05-06 |
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