JP4458338B2 - Vertical pump - Google Patents

Vertical pump Download PDF

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JP4458338B2
JP4458338B2 JP2004108040A JP2004108040A JP4458338B2 JP 4458338 B2 JP4458338 B2 JP 4458338B2 JP 2004108040 A JP2004108040 A JP 2004108040A JP 2004108040 A JP2004108040 A JP 2004108040A JP 4458338 B2 JP4458338 B2 JP 4458338B2
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cylinder
outside air
air introduction
flange
vertical pump
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JP2005288344A (en
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義幸 角田
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Yoshino Kogyosho Co Ltd
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Yoshino Kogyosho Co Ltd
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    • 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
    • B05B11/1001—Piston pumps
    • B05B11/1009—Piston pumps actuated by a lever
    • B05B11/1012—Piston pumps actuated by a lever the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1014—Piston pumps actuated by a lever the pump chamber being arranged substantially coaxially to the neck of the container the pump chamber being arranged substantially coaxially to the container

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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Description

本発明は、容器体内の液体をノズルから外部へと霧、泡若しくは液体のままで噴出させる縦型ポンプに関するものである。   The present invention relates to a vertical pump that ejects liquid in a container from the nozzle to the outside in the form of mist, bubbles, or liquid.

従来、例えば容器体にトリガー式縦型ポンプを装着したトリガー式縦型ポンプ容器は、下記の特許文献１及び特許文献２にも示されているように既に良く知られている。   Conventionally, for example, a trigger type vertical pump container in which a trigger type vertical pump is mounted on a container body is already well known as shown in Patent Document 1 and Patent Document 2 below.

このトリガー式縦型ポンプ容器におけるトリガー式縦型ポンプは、上端部に吐出弁を備えたノズルを有しかつ下端部に柔軟で弾力性に富む環状ピストンを有するピストン管を、下部に吸込弁を備えかつ下端から吸上パイプを垂設した縦型のシリンダの中に上方へと付勢させてその環状ピストンにて摺動自在に嵌挿し、該シリンダの上部には上記ピストン管を昇降可動に挿通させてシリンダ保持筒を嵌着して、該シリンダ保持筒を装着筒により上記容器体に装着するよう構成し、該シリンダ保持筒内には上端から容器体内へと通じる外気導入路を形成し、また、上記ピストン管にはそのシリンダ保持筒に可動に装備させたトリガーを機械的に可動に連繋させて成り、該トリガーの操作でピストン管を昇降させることにより、容器体内の液体を吸上パイプを介しシリンダ内に吸い上げかつ加圧して、そのピストン管を通してノズルから外部へと噴出させ、これに伴い外気導入路を通じて容器体内に外気を吸入させて容器体内の不圧化を防止するようにしている。   The trigger type vertical pump in this trigger type vertical pump container has a nozzle pipe having a discharge valve at the upper end part and a piston pipe having a flexible and elastic annular piston at the lower end part, and a suction valve at the lower part. It is urged upward in a vertical cylinder with a suction pipe suspended from the lower end, and is slidably fitted by the annular piston, and the piston pipe is movable up and down on the upper part of the cylinder. The cylinder holding cylinder is inserted and fitted into the container body, and the cylinder holding cylinder is attached to the container body by the mounting cylinder, and an outside air introduction path that leads from the upper end to the container body is formed in the cylinder holding cylinder. In addition, the piston tube is configured by mechanically movably connecting a trigger mounted on the cylinder holding cylinder, and by moving the piston tube up and down by operating the trigger, the liquid in the container body is absorbed. Suction and pressurize into the cylinder through the pipe and blow out from the nozzle through the piston pipe, and along with this, the outside air is sucked into the container body through the outside air introduction path to prevent the pressure in the container body from becoming incompressible. ing.

しかし、この種の縦型ポンプ容器は、正立姿勢専用のものであり、倒立姿勢若しくは深い傾倒姿勢で使用すると、外気導入路を通じて容器体内の液体が漏出する。   However, this type of vertical pump container is exclusively for an upright posture, and when used in an inverted posture or a deeply tilted posture, liquid in the container leaks through the outside air introduction path.

ところが、実使用上では、倒立姿勢や深い傾倒姿勢で使用すること（又は使用せざるを得ないこと）もあり、そのような姿勢でも、当初にはシリンダ乃至ピストン管の内部に液体が残留するので一、二回程度であればその液体を噴出させることはできるが、倒立姿勢や深い傾倒姿勢で使用した際、その液体が外気導入路を通じて漏出し、手や周辺を濡らしたり汚したりするなどの不都合を生じる。   However, in actual use, it may be used in an inverted posture or a deeply tilted posture (or must be used), and even in such a posture, liquid initially remains in the cylinder or piston pipe. So, if it is used once or twice, the liquid can be ejected, but when it is used in an inverted position or a deeply tilted position, the liquid leaks through the outside air introduction path and wets or soils the hands and surroundings. Cause inconvenience.

一方、下記特許文献３に示すような従来の押下噴出ヘッドを有する正倒立両用液体噴出器等では、容器体内においてシリンダに外気導入路を閉路させる弁体を装備させ、容器体内の不圧化に伴ってその弁体を自動開放させて外気の吸入を得るようにしているので、このような弁体を当該縦型ポンプ容器にも採用すれば倒立姿勢や深い傾倒姿勢における外気導入路からの液漏れを防止することはできるが、別部材の弁体を用いるのでは部材点数が多くなるだけでなく組み立ての工数も増えてコスト高を招く。
特開２００２−１０４４７１号公報 特開２００２−１３６８９８号公報 特開平１１−２６２７０４号公報 On the other hand, in a conventional inverted liquid ejector having a conventional push-out jet head as shown in Patent Document 3 below, a valve body that closes an outside air introduction path to a cylinder in a container body is equipped, thereby reducing pressure in the container body. Accordingly, the valve body is automatically opened to obtain the intake of outside air. Therefore, if such a valve body is also used in the vertical pump container, the liquid from the outside air introduction path in an inverted posture or a deep tilted posture is used. Although leakage can be prevented, the use of a separate valve body not only increases the number of members but also increases the number of assembly steps, resulting in high costs.
JP 2002-104471 A JP 2002-136898 A JP-A-11-262704

そこで、本発明は、倒立姿勢や深い傾倒姿勢で使用しても外気導入路からの液漏れを生じないようにして、漏出した液体が手や周辺を濡らしたり汚したりするなどの不都合を解消し、併せて、部材点数も組み立ての工数も増やすことなく従来の部材の形状変更だけで外気導入路に外気導入弁を装備させ、これを容器体内の不圧化に伴い自動的に開弁させることにより容器体内に外気を導入できるようにしようとするものである。   Therefore, the present invention eliminates inconveniences such as leakage or wetness of the hand or surroundings by preventing leakage of liquid from the outside air introduction path even when used in an inverted posture or a deep tilted posture. In addition, an outside air introduction valve can be installed in the outside air introduction path only by changing the shape of the conventional member without increasing the number of parts and assembly man-hours, and this can be automatically opened as the pressure in the container body is reduced. By this, outside air can be introduced into the container body.

請求項１の縦型ポンプは、上端部に吐出弁を備えたノズルを有しかつ下端部に柔軟で弾力性に富む環状ピストンを有するピストン管を備え、該ピストン管を縦型のシリンダの中に上方へと付勢させてその環状ピストンにて摺動自在に嵌挿し、該シリンダの上部には上記ピストン管を昇降可動に挿通させてシリンダ保持筒を嵌着して、該シリンダ保持筒を装着筒により容器体に装着するよう構成し、該シリンダ保持筒内には上端から容器体内へと通じる外気導入路を形成し、また、上記ピストン管には押下手段を講じて成る縦型ポンプにおいて、
上記シリンダ保持筒内の上部に外気導入路用シリンダを設け、上記環状ピストンの上端部をその外気導入路用シリンダ内上部にまで伸出させるとともに、該環状ピストンの上端部を、外気導入路シリンダ内上端に形成した下向段部に突き当たらせ、かつ該上端部の外周にフランジ状弁部を一体に周設し、該フランジ状弁部を上記外気導入路用シリンダ内に摺動自在に嵌合させて外気導入弁を設けている。 The vertical pump according to claim 1 is provided with a piston pipe having a nozzle having a discharge valve at an upper end portion and an annular piston having a flexible and elastic property at a lower end portion, and the piston pipe is disposed in a vertical cylinder. The cylinder holding cylinder is fitted to the upper part of the cylinder by inserting the piston tube so as to be movable up and down. In a vertical pump configured to be mounted on a container body by a mounting cylinder, an outside air introduction path leading from the upper end into the container body is formed in the cylinder holding cylinder, and a pressing means is provided on the piston pipe. ,
An outside air introduction path cylinder is provided in the upper part of the cylinder holding cylinder, and the upper end of the annular piston extends to the upper part of the outside air introduction path cylinder, and the upper end of the annular piston is connected to the outside air introduction path cylinder. A flange-like valve portion is integrally formed on the outer periphery of the upper end portion so as to abut on a downward step formed on the inner upper end , and the flange-like valve portion is slidable in the outside air introduction path cylinder. The outside air introduction valve is provided by fitting.

請求項２の縦型ポンプは、請求項１の縦型ポンプにあって、上記フランジ状弁部の先端を断面角形に形成して成る。 A vertical pump according to a second aspect is the vertical pump according to the first aspect , wherein the end of the flange-shaped valve portion is formed in a square cross section.

請求項３の縦型ポンプは、請求項１の縦型ポンプにあって、上記フランジ状弁部の先端を断面円弧状に形成して成る。 A vertical pump according to a third aspect is the vertical pump according to the first aspect , wherein a tip of the flange-like valve portion is formed in an arc shape in cross section.

請求項４の縦型ポンプは、請求項１の縦型ポンプにあって、上記フランジ状弁部の先端を断面尖端状に形成して成る。 A vertical pump according to a fourth aspect is the vertical pump according to the first aspect , wherein a tip of the flange-like valve portion is formed to have a pointed cross section.

如上の構成であり、請求項１の縦型ポンプでは、柔軟で弾力性に富むピストンの上端部を外気導入路の上部にまで伸出させて外側に下流の不圧化で開弁する外気導入用の弁部を一体に形成しているから、該弁部には所要の柔軟性と弾力性を持たせることができ、そして、外気導入路の途中に部材点数も組み立ての工数も増やすことなく従来の部材の形状変更だけで外気導入弁を装備させることができて、この外気導入弁により倒立姿勢や深い傾倒姿勢の際の外気導入路からの液漏れを的確に防止でき、また、フランジ状弁部には容器体内の不圧化で下流側へと弾性変形させてその外気導入弁を自動的に開弁させることができるので、容器体内には不圧化に伴い外気導入路を通じて外気を支障なく導入でき、したがって、所期の目的を達成できる。 In the vertical pump according to claim 1, the outside air introduction is performed by extending the upper end portion of the flexible and elastic piston to the upper portion of the outside air introduction passage and opening the valve to the outside by downstream non-pressure. Since the valve part is integrally formed, the valve part can be provided with the required flexibility and elasticity, and without increasing the number of parts and assembly man-hours in the course of the outside air introduction path The outside air introduction valve can be equipped only by changing the shape of the conventional member, and this outside air introduction valve can accurately prevent liquid leakage from the outside air introduction path in an inverted posture or a deep tilted posture. Since the valve part can be elastically deformed downstream due to no pressure inside the container body and the outside air introduction valve can be automatically opened, the outside air can be passed through the outside air introduction path in the container body as the pressure is reduced. Can be implemented without hindrance and therefore achieve the intended purpose. .

更に、フランジ状弁部の先端につき、請求項２の縦型ポンプでは断面角形に形成し、請求項３の縦型ポンプでは断面円弧状に形成し、請求項４の縦型ポンプでは断面尖端状に形成しているから、形状上の開弁応力をその順序に従い次第に小さくでき、これ等の形状は、環状ピストンの材質即ちフランジ状弁部の材質等に応じて適宜に選択できる。 Further, the front end of the flange-shaped valve portion is formed to have a square cross section in the vertical pump according to claim 2, a circular arc in the vertical pump according to claim 3 , and a pointed cross section in the vertical pump according to claim 4. Therefore, the valve opening stress on the shape can be gradually reduced according to the order, and these shapes can be appropriately selected according to the material of the annular piston, that is, the material of the flange-like valve portion.

図面は、容器体にトリガー式縦型ポンプを装着したトリガー式縦型ポンプ容器における本発明に係る実施の形態を示している。   The drawings show an embodiment of the present invention in a trigger type vertical pump container in which a trigger type vertical pump is mounted on the container body.

図面に示すように、上端部を前方へと屈曲させてその先端に常閉吐出弁を内蔵したノズル２を備えかつ下端部に柔軟で弾力性に富む環状ピストン３を嵌着したピストン管１を、下部に吸込弁５を備えかつ下端から吸上パイプ６を垂設した上端開口の縦型のシリンダ４の内部に、その環状ピストン３にて上方から摺動自在に嵌挿するとともに、そのピストン管１の下にコイルスプリング８を内装してピストン管１を上方へと付勢させ、また、シリンダの中間部外周に外向フランジ７を設けている。   As shown in the drawing, a piston pipe 1 is provided with a nozzle 2 having a top end bent forward and a normally closed discharge valve built in at the tip thereof, and a flexible and elastic annular piston 3 fitted to the bottom end. The annular piston 3 is slidably inserted from above into the inside of a vertical cylinder 4 having an intake valve 5 at the lower part and a suction pipe 6 suspended from the lower end. A coil spring 8 is housed under the tube 1 to urge the piston tube 1 upward, and an outward flange 7 is provided on the outer periphery of the intermediate portion of the cylinder.

シリンダ４の上部外周には上記ピストン管１を昇降可動に挿通させてシリンダ保持筒９を嵌着し、該シリンダ保持筒の下端に外向フランジ１０を介して内ねじ螺筒の装着筒１１を垂設して、その外向フランジ１０をシリンダ４の外向フランジ７の上面に当接させ、かつ、その装着筒１１により容器体の口頚部に着脱自在に螺着するようにしている。なお、装着筒１１は螺筒に限るものではなく、他の嵌合手段によるものであってもよい。図中、１２はパッキング、２８は圧縮効率を向上させるためにシリンダ４に内装した領域改善用棒状部材である。   The piston tube 1 is inserted into the upper outer periphery of the cylinder 4 so as to be movable up and down, and a cylinder holding cylinder 9 is fitted, and a mounting cylinder 11 of an internal threaded cylinder is suspended from the lower end of the cylinder holding cylinder via an outward flange 10. The outward flange 10 is brought into contact with the upper surface of the outward flange 7 of the cylinder 4 and is detachably screwed to the mouth and neck of the container body by the mounting cylinder 11. The mounting cylinder 11 is not limited to a screw cylinder, and may be another fitting means. In the figure, reference numeral 12 denotes a packing, and 28 denotes a region improving rod-like member built in the cylinder 4 in order to improve compression efficiency.

シリンダ保持筒９の内部には上端から容器体内へと通じる外気導入路１３を形成しており、該外気導入路１３は、シリンダ保持筒９の上部内面とピストン管１の間の隙間１４、シリンダ４の上部外面に形成した縦溝１５、該縦溝１５に連ねてシリンダ４の外向フランジ７に穿設した透孔１６、該透孔１６に連ねてパッキング１２に設けた切欠１７を一連に連通させて成る。   An outside air introduction path 13 that leads from the upper end to the container body is formed inside the cylinder holding cylinder 9, and the outside air introduction path 13 includes a gap 14 between the upper inner surface of the cylinder holding cylinder 9 and the piston pipe 1, a cylinder 4, a longitudinal groove 15 formed on the upper outer surface of the cylinder 4, a through-hole 16 drilled in the outward flange 7 of the cylinder 4 connected to the longitudinal groove 15, and a notch 17 provided in the packing 12 connected to the through-hole 16 in series. Let me.

また、シリンダ保持筒９及び該シリンダ保持筒の外向フランジ１０の後部外面から斜上後方へとアーム１８を突設し、該アームの上端にトリガー１９の後端を枢着２０するとともに、該トリガーの中間部を上記ピストン管１の適所に枢着２１し、かつ、前部即ち操作部２２を斜下前方へと垂下させている。   Further, an arm 18 protrudes obliquely upward and rearward from the rear outer surface of the cylinder holding cylinder 9 and the outward flange 10 of the cylinder holding cylinder, and a rear end of the trigger 19 is pivotally attached 20 to the upper end of the arm. The intermediate portion is pivotally attached 21 to the appropriate position of the piston pipe 1, and the front portion, that is, the operation portion 22 is suspended obliquely forward.

而して、トリガー１９を、その操作部２２を引くことにより作動させて、ピストン管１を上記コイルスプリング８に抗して押し下げてはそのコイルスプリングにより復帰上昇させることで、常閉吐出弁と吸込弁５との交互の開閉のもと容器体内の液体を吸上パイプ６を介しシリンダ４内に吸い上げかつ加圧して、そのピストン管１を通してノズル２から外部へと噴出させ、これに伴い外気導入路１３を通じて容器体内に外気を供給し、容器体内の不圧化を防止する。   Thus, the trigger 19 is actuated by pulling the operating portion 22, the piston pipe 1 is pushed down against the coil spring 8, and is returned and raised by the coil spring, whereby the normally closed discharge valve and By alternately opening and closing with the suction valve 5, the liquid in the container is sucked into the cylinder 4 through the suction pipe 6 and pressurized, and is ejected from the nozzle 2 through the piston pipe 1 to the outside. Outside air is supplied into the container body through the introduction path 13 to prevent pressure in the container body.

以上は従来のトリガー式縦型ポンプ容器におけるトリガー式縦型ポンプと同様である。   The above is the same as the trigger type vertical pump in the conventional trigger type vertical pump container.

斯かるトリガー式縦型ポンプにおいて、本発明の実施の形態に係るトリガー式縦型ポンプは、図１及び図２に示すように、上記シリンダ保持筒９内の上部に外気導入路用シリンダ２４を設け、上記環状ピストン３の上端部２５をその外気導入路用シリンダ２４内上部にまで伸出させて、該外気導入路用シリンダ内上端にある下向段部２６に突き当たらせ、つまり、この突き当てで上記環状ピストン３及びピストン管１の上昇限を設定し、該上端部２５の外周にフランジ状弁部２７を一体に周設し、該フランジ状弁部を上記外気導入路用シリンダ２４内に摺動自在に嵌合させて外気導入弁２３を構成している。なお、フランジ状弁部２７は、環状ピストン３の上端外周に設けてもよい。   In such a trigger type vertical pump, the trigger type vertical pump according to the embodiment of the present invention includes an outside air introduction path cylinder 24 in the upper part of the cylinder holding cylinder 9 as shown in FIGS. The upper end portion 25 of the annular piston 3 is extended to the upper part of the outside air introduction path cylinder 24 and is brought into contact with the downward step 26 at the upper end of the outside air introduction path cylinder. The ascending limit of the annular piston 3 and the piston pipe 1 is set by abutting, and a flange-like valve portion 27 is integrally provided on the outer periphery of the upper end portion 25, and the flange-like valve portion is connected to the outside air introduction path cylinder 24. The outside air introduction valve 23 is configured to be slidably fitted therein. The flange-shaped valve portion 27 may be provided on the outer periphery of the upper end of the annular piston 3.

この外気導入弁２３におけるフランジ状弁部２７は、柔軟で弾力性に富む環状ピストン３と一体であるから、弾性変形可能であり、該環状ピストン３がピストン管１と共に上昇するときは、図３Ａに示すように下方へと弾性変形し、下降するときは、同図Ｂに示すように上方へと弾性変形するが、それだけでは開弁することはない。   The flange-like valve portion 27 in the outside air introduction valve 23 is integral with the flexible and elastic annular piston 3 and can be elastically deformed. When the annular piston 3 rises together with the piston pipe 1, FIG. When it is elastically deformed downward as shown in FIG. 4B and descends, it is elastically deformed upward as shown in FIG. 3B, but it does not open the valve alone.

ところで、容器体内が不圧化するときは、容器体内の液体がシリンダ４内に吸い上げられたときであるから、環状ピストン３がピストン管１と共に上昇する図３Ａの際であり、環状ピストン３の上昇で下方へ弾性変形したフランジ状弁部２７はその容器体内の不圧化によって更に下方へと弾性変形して開弁状態となる。したがって、容器体内の不圧化に伴って外気導入弁２３が自動的に開弁して、外気が外気導入路１３を経て容器体内に流入する。そして、これ以外のときは、外気導入弁２３が閉じているので、容器体内の液体が外気導入路１３を経て外部に流出するようなことはない。   By the way, when the pressure in the container body is reduced, the liquid in the container body is sucked up into the cylinder 4, and is the case of FIG. 3A where the annular piston 3 rises together with the piston pipe 1. The flange-shaped valve portion 27 that has been elastically deformed downward as it rises is further elastically deformed downward due to the non-pressure in the container body, so that the valve is opened. Accordingly, the outside air introduction valve 23 is automatically opened as the pressure in the container body is reduced, and the outside air flows into the container body through the outside air introduction path 13. In other cases, the outside air introduction valve 23 is closed, so that the liquid in the container does not flow outside through the outside air introduction path 13.

なお、上述の実施の形態ではトリガー式縦型ポンプを示しているが、トリガーだけでなく、その他のスプレーやポンプの形態でも可能である。   In addition, although the trigger type | formula vertical type pump is shown in the above-mentioned embodiment, not only a trigger but the form of other sprays or pumps is also possible.

外気導入弁２３におけるフランジ状弁部２７は、具体的には例えば次の実施例のように形成するとよい。下記の実施例１乃至実施例３では、形状上の開弁応力をその順番で次第に小さくでき、設計上これ等を任意選択すればよい。   Specifically, the flange-like valve portion 27 in the outside air introduction valve 23 may be formed as in the following embodiment, for example. In the following Examples 1 to 3, the valve opening stress in the shape can be gradually reduced in the order, and these may be arbitrarily selected in the design.

図４(A) に示すように、外気導入弁２３において、フランジ状弁部２７の先端を断面角形に形成する。   As shown in FIG. 4A, in the outside air introduction valve 23, the tip of the flange-like valve portion 27 is formed in a square cross section.

図４(B) に示すように、外気導入弁２３において、フランジ状弁部２７の先端を断面円弧状に形成する。   As shown in FIG. 4 (B), in the outside air introduction valve 23, the tip of the flange-like valve portion 27 is formed in a cross-sectional arc shape.

図４(C) に示すように、外気導入弁２３において、フランジ状弁部２７の先端を断面尖端状に形成する。   As shown in FIG. 4C, in the outside air introduction valve 23, the tip of the flange-like valve portion 27 is formed to have a pointed cross section.

本発明の実施の形態を示す截断側面図である。It is a cutaway side view showing an embodiment of the invention. 図１の要部拡大断面図である。It is a principal part expanded sectional view of FIG. 同実施の形態における要部の動作説明断面図である。FIG. 6 is an operation explanatory cross-sectional view of the main part in the same embodiment. 同実施の形態における実施例を示す要部断面図である。It is principal part sectional drawing which shows the Example in the same embodiment.

符号の説明Explanation of symbols

１ ピストン管
２ ノズル
３ 環状ピストン
４ シリンダ
５ 吸込弁
６ 吸上パイプ
７ 外向フランジ
８ コイルスプリング
９ シリンダ保持筒
１０ 外向フランジ
１１ 装着筒
１２ パッキング
１３ 外気導入路
１４ 隙間
１５ 縦溝
１６ 透孔
１７ 切欠
１８ アーム
１９ トリガー
２０ 枢着
２１ 枢着
２２ 操作部
２３ 外気導入弁
２４ 外気導入路用シリンダ
２５ 上端部
２６ 下向段部
２７ フランジ状弁部
２８ 領域改善用棒状部材 DESCRIPTION OF SYMBOLS 1 Piston pipe 2 Nozzle 3 Annular piston 4 Cylinder 5 Suction valve 6 Suction pipe 7 Outward flange 8 Coil spring 9 Cylinder holding cylinder 10 Outward flange 11 Mounted cylinder 12 Packing 13 Outside air introduction path 14 Gap 15 Vertical groove 16 Through hole 17 Notch 18 Arm 19 Trigger 20 Pivoting 21 Pivoting 22 Operating part 23 Outside air introduction valve 24 Cylinder for outside air introduction path 25 Upper end part 26 Downward step part 27 Flange-like valve part 28 Bar-like member for region improvement

Claims (4)

上端部に吐出弁を備えたノズルを有しかつ下端部に柔軟で弾力性に富む環状ピストンを有するピストン管を備え、該ピストン管を縦型のシリンダの中に上方へと付勢させてその環状ピストンにて摺動自在に嵌挿し、該シリンダの上部には上記ピストン管を昇降可動に挿通させてシリンダ保持筒を嵌着して、該シリンダ保持筒を装着筒により容器体に装着するよう構成し、該シリンダ保持筒内には上端から容器体内へと通じる外気導入路を形成し、また、上記ピストン管には押下手段を講じて成る縦型ポンプにおいて、
上記シリンダ保持筒内の上部に外気導入路用シリンダを設け、上記環状ピストンの上端部をその外気導入路用シリンダ内上部にまで伸出させるとともに、該環状ピストンの上端部を、外気導入路シリンダ内上端に形成した下向段部に突き当たらせ、かつ該上端部の外周にフランジ状弁部を一体に周設し、該フランジ状弁部を上記外気導入路用シリンダ内に摺動自在に嵌合させて外気導入弁を設けたことを特徴とする縦型ポンプ。 A piston pipe having a nozzle provided with a discharge valve at the upper end and a flexible and elastic annular piston at the lower end is provided, and the piston pipe is urged upward into a vertical cylinder. It is inserted so as to be slidable by an annular piston, the piston tube is inserted into the upper part of the cylinder so as to be movable up and down, a cylinder holding cylinder is fitted, and the cylinder holding cylinder is attached to the container body by the mounting cylinder. In the cylinder holding cylinder, forming an outside air introduction path leading from the upper end into the container body, and in the vertical pump in which the piston pipe is provided with a pressing means,
An outside air introduction path cylinder is provided in the upper part of the cylinder holding cylinder, and the upper end of the annular piston extends to the upper part of the outside air introduction path cylinder, and the upper end of the annular piston is connected to the outside air introduction path cylinder. A flange-like valve portion is integrally formed on the outer periphery of the upper end portion so as to abut on a downward step formed on the inner upper end , and the flange-like valve portion is slidable in the outside air introduction path cylinder. A vertical pump characterized in that it is fitted with an outside air introduction valve. 上記フランジ状弁部の先端を断面角形に形成して成る請求項１に記載の縦型ポンプ。 The vertical pump according to claim 1 , wherein the flange-shaped valve portion has a tip formed in a square cross section. 上記フランジ状弁部の先端を断面円弧状に形成して成る請求項１に記載の縦型ポンプ。 The vertical pump according to claim 1 , wherein a tip of the flange-shaped valve portion is formed in an arc shape in cross section. 上記フランジ状弁部の先端を断面尖端状に形成して成る請求項１に記載の縦型ポンプ。 2. The vertical pump according to claim 1 , wherein the flange-shaped valve portion has a tip formed in a pointed cross section.
JP2004108040A 2004-03-31 2004-03-31 Vertical pump Expired - Fee Related JP4458338B2 (en)

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JP4678684B2 (en) * 2005-12-26 2011-04-27 株式会社吉野工業所 Trigger type liquid ejection container
JP6116342B2 (en) * 2013-04-30 2017-04-19 株式会社吉野工業所 Upside down liquid jet
JP6824068B2 (en) * 2017-02-28 2021-02-03 株式会社吉野工業所 Metering dispenser
JP7386596B2 (en) * 2018-04-25 2023-11-27 株式会社吉野工業所 pump mechanism

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