JP3647615B2 - Trigger type liquid ejection container - Google Patents

Trigger type liquid ejection container Download PDF

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Publication number
JP3647615B2
JP3647615B2 JP21826297A JP21826297A JP3647615B2 JP 3647615 B2 JP3647615 B2 JP 3647615B2 JP 21826297 A JP21826297 A JP 21826297A JP 21826297 A JP21826297 A JP 21826297A JP 3647615 B2 JP3647615 B2 JP 3647615B2
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Prior art keywords
cylinder
vertical
vertical cylinder
valve
trigger
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JPH1142452A (en
Inventor
孝光 野沢
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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
    • B05B11/1011—Piston pumps actuated by a lever without substantial movement of the nozzle in the direction of the pressure stroke

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Description

【０００１】
【発明の属する技術分野】
本発明はトリガー式の液体噴出容器に関する。
【０００２】
【従来の技術】
例えば特開平8‐266964号が示すように、液体吸込み路としての吸上げパイプを下端から垂下する縦筒部と、該縦筒部と連通する液体出入孔を後壁に有して、縦筒部前面から前方突出するシリンダと、縦筒部上端から前方突出する射出筒と、射出筒前部から垂下するトリガーと、上記シリンダ内に嵌合されて前端部をトリガー上部へ連結するプランジャとを有するトリカー式液体噴出器下部を、容器体口部へ着脱自在に装着させたトリガー式液体噴出容器が広く使用されている。
【０００３】
【発明が解決しようとする課題】
上記トリガー式液体噴出容器は、トリガー引寄せによりプランジャがシリンダ内を後退すると、シリンダ内高圧化で液体出入孔、および射出筒を通って該射出筒前端に装着させたノズルからシリンダ内液体を噴出し、又トリガーを離すと、プランジャが自動復帰してシリンダ内が負圧化し、すると吸上げパイプを通って容器体内液体がシリンダ内へ吸込まれるよう設けたもので、通常縦筒部の下部内に吸込み弁を、又縦筒部の上部内に吐出弁を有するが、これ等は別々に設けるために面倒があった。
本発明はそれ等両弁の各弁体を一体に有する合成樹脂製の弁部材を設けて、該弁部材を縦筒部内へ嵌合させるだけでそれ等両弁を簡易に形成できるよう設けたものである。
【０００４】
【課題を解決するための手段】
容器体１と、該容器体口部へ下部を着脱自在に装着させたトリガー式液体噴出器３とからなり、該液体噴出器は、容器体内底部まで垂下する液体吸込み路６付きの縦筒部７と、該縦筒部と連通する液体出入孔８を後壁に有して、縦筒部前面から前方突出するシリンダ９と、縦筒部上端から前方突出する射出筒10と、射出筒前部から垂下するトリガー11と、上記シリンダ内に嵌合されて前端部をトリガー上部へ連結するプランジャ12とを有するトリガー式液体噴出容器において、
上記縦筒部７下端に液体吸込み路６一部としての第１フランジ孔13を有する第１内向きフランジ14を設けると共に、縦筒部７の上端部に射出筒10内と連通する第２フランジ孔15付きの第２内向きフランジ16を設け、
短筒22上面から上方突出させた複数の弾性螺糸片23上端を栓棒24下面へ連結すると共に、栓棒外面から上外方へ逆スカート状の弾性シール筒25を突出する、合成樹脂材で一体成形した弁部材21を設けて、
上記短筒22を縦筒部７の下部内面へ嵌着させると共に、弾性螺糸片23を弾性に抗して多少圧縮した状態で、栓棒上端部が形成する弁体部26を第２フランジ孔の下面側周縁が形成する弁座17へ圧接させて吐出弁27を形成し、
更に弾性シール筒25の上端外周を、液体出入孔８下方の縦筒部７内壁面へ水密に圧接させて吸込み弁28を形成した。
【０００５】
【発明の実施の形態】
以下図面について基本的構造部分を簡単に説明すると、１は容器体で口頸部２を起立する。
３はトリガー式液体噴出器で、該液体噴出器は、その下面から基筒部４を垂下し、該基筒部の中間部外面に付設した外向きフランジを、口頸部上端面と口頸部外面へ螺合させた装着筒５上端の内向きフランジとで挟持させている。該液体噴出器は、容器体内底部まで垂下する液体吸込み路６付きの二重筒とした縦筒部７と、該縦筒部と連通する液体出入孔８を後壁に有して、縦筒部前面から前方突出するシリンダ９と、縦筒部上端から前方突出する射出筒10と、射出筒前部から垂下するトリガー11と、上記シリンダ内に嵌合されて前端部をトリガー上部後面部分へ連結するプランジャ12とを有する。
【０００６】
以下本発明部分について説明すると、上記縦筒部７下端には液体吸込み路６一部としての第１フランジ孔13を有する第１内向きフランジ14を設け、又縦筒部７上端部には射出筒10の後部内と連通する第２フランジ孔15付きの第２内向きフランジ16を設けている。その第２フランジ孔15の外周部下面は弁座17に形成している。
【０００７】
上記縦筒部７内へは合成樹脂材で一体成形した弁部材21を嵌合させる。該弁部材は、下端に短筒22を有し、該短筒上面から上方突出させた複数の弾性螺糸片23上端を栓棒24下面へ連結すると共に、栓棒24の下部外周から上外方へ逆スカート状の弾性シール筒25を突出するもので、上記短筒22を、第１内向きフランジ14上面へ載置させて縦筒部７の下部内面へ嵌着させると共に、弾性螺糸片23を弾性に抗して多少圧縮した状態で、栓棒24上端部が形成する弁体部26を、既述弁座17に圧接させて吐出弁27となし、弾性シール筒25の上端外周を、液体出入孔８下方の縦筒部７の内壁面へ水密に圧接させて吸込み弁28を形成している。
【０００８】
上記構成において、トリガー11を後方へ引寄せすると、プランジャ12がシリンダ９内を後退してシリンダ後部内および吸込み弁28と吐出弁27との間に縦筒部７上部内が加圧され、するとその加圧により弾性シール筒25上面が下方に押され、よって弾性螺糸片23の付勢に抗して栓棒24が下降し、すると吐出弁27が開いて上記シリンダ後部内および縦筒部７の上部内とが形成する加圧室内液体が射出筒10を通って該射出筒前端に嵌着させたノズル31から噴出する。プランジャ12が後限に達したとき、シリンダ後端部内面に周設した溝32内へ、プランジャ後端に付設したシール筒33が入り、するとシリンダ９に対するプランジャ後端のシールが解放されて上記加圧室内の高圧液体がプランジャ12外面とシリンダ９内面との間を通ってシリンダ中間部の底壁部分に穿設した排気孔34を通って容器体１内へ排出される。該高圧液体排出により加圧室内は高圧状態が解消され、よって栓棒24が上昇して吐出弁27を閉じる。
【０００９】
次いでトリガー11を離すと液体噴出器の下部後方から斜上前方へ突出する板バネ35がトリガー11上端から斜下後方へ突出するレバー36を下方へ押圧しているため、該付勢によりトリガー11が前方へ摺動し、従ってプランジャ12を前進させる。該プランジャ前進によりシリンダ９後部内および縦筒部７の上部内は負圧化することとなり、すると吸込み弁28が開き、液体吸込み路６を通って容器体内液体が上記シリンダ後部内および縦筒部７の上部内とが形成する加圧室内へも流入し、その負圧状態を解消する。
【００１０】
【発明の効果】
本発明は既述構成とするもので、容器体１の底部内まで垂下する液体吸込み路６付きの縦筒部７内へ、短筒22上面から上方突出させた複数の弾性螺糸片23上端を栓棒24下面へ連結すると共に、栓棒外面から上外方へ逆スカート状の弾性シール筒25を突出する、合成樹脂材で一体成形した弁部材21を、短筒22を縦筒部７の下部内面へ嵌着させると共に弾性螺糸片23を弾性に抗して多少圧縮した状態で、栓棒上端部が形成する弁体部26を、縦筒部７上端部に付設した第２内向きフランジ16の第２フランジ孔外周部下面が形成する弁座17に圧接させて吐出弁27を形成し、又縦筒部７内とシリンダ９内とを連通する液体出入孔８下方の縦筒部内壁面へ、上記弾性シール筒25の上端外周を水密に圧接させて吸込み弁28を形成したから、１個の弁部材で吸込み弁と吐出弁とを形成でき、それ等両弁を別々に設ける場合に比べて構造を簡易とすることが出来る便利がある。
【図面の簡単な説明】
【図１】 本発明液体噴出容器の断面図である。
【符号の説明】
７…縦筒部 ８…液体出入孔
９…シリンダ 10…射出筒
21…弁部材 22…短筒
23…弾性螺糸片 24…栓棒
25…弾性シール筒 27…吐出弁
28…吸込み弁[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a trigger type liquid ejection container.
[0002]
[Prior art]
For example, as disclosed in Japanese Patent Application Laid-Open No. 8-266964, a vertical cylinder has a vertical cylinder part that hangs a suction pipe as a liquid suction path from the lower end, and a liquid inlet / outlet hole that communicates with the vertical cylinder part on the rear wall. A cylinder that protrudes forward from the front of the part, an injection cylinder that protrudes forward from the upper end of the vertical cylinder part, a trigger that hangs down from the front part of the injection cylinder, and a plunger that is fitted in the cylinder and connects the front end to the upper part of the trigger 2. Description of the Related Art A trigger type liquid ejection container in which a lower part of a tricker type liquid ejector is detachably attached to a container body mouth is widely used.
[0003]
[Problems to be solved by the invention]
In the trigger type liquid ejection container, when the plunger moves backward in the cylinder by pulling the trigger, the liquid in the cylinder is ejected from the nozzle installed at the front end of the injection cylinder through the liquid inlet / outlet and the injection cylinder due to the high pressure in the cylinder. When the trigger is released, the plunger automatically returns to negative pressure in the cylinder, and then the liquid in the container is sucked into the cylinder through the suction pipe. A suction valve is provided inside, and a discharge valve is provided in the upper part of the vertical cylinder, but these are troublesome because they are provided separately.
The present invention is provided with a synthetic resin valve member integrally including the valve bodies of both the valves, so that both the valves can be formed simply by fitting the valve member into the vertical cylindrical portion. Is.
[0004]
[Means for Solving the Problems]
It consists of a container body 1 and a trigger type liquid ejector 3 having a lower part detachably attached to the container body mouth, and the liquid ejector is a vertical tube section with a liquid suction passage 6 that hangs down to the bottom of the container body. 7, a cylinder 9 that has a liquid inlet / outlet hole 8 communicating with the vertical cylinder part in the rear wall, protrudes forward from the front surface of the vertical cylinder part, an injection cylinder 10 that protrudes forward from the upper end of the vertical cylinder part, and the front of the injection cylinder In a trigger type liquid ejection container having a trigger 11 that hangs down from a portion, and a plunger 12 that is fitted in the cylinder and connects a front end portion to the upper portion of the trigger,
A first inward flange 14 having a first flange hole 13 as a part of the liquid suction passage 6 is provided at the lower end of the vertical cylinder part 7 and a second flange communicating with the inside of the injection cylinder 10 at the upper end part of the vertical cylinder part 7. A second inward flange 16 with a hole 15 is provided,
Synthetic resin material that connects the upper ends of a plurality of elastic thread pieces 23 projecting upward from the upper surface of the short cylinder 22 to the lower surface of the plug bar 24 and projects an elastic seal cylinder 25 in an inverted skirt shape upward and outward from the outer surface of the plug bar The valve member 21 integrally formed with
While the short cylinder 22 is fitted to the lower inner surface of the vertical cylinder portion 7 and the elastic thread piece 23 is somewhat compressed against elasticity, the valve body portion 26 formed by the upper end portion of the plug rod is used as the second flange. The discharge valve 27 is formed by pressure contact with the valve seat 17 formed by the lower surface side periphery of the hole,
Furthermore, the suction valve 28 was formed by water tightly pressing the outer periphery of the upper end of the elastic seal cylinder 25 to the inner wall surface of the vertical cylinder portion 7 below the liquid inlet / outlet hole 8.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
In the following, the basic structural portion will be briefly described with reference to the drawings.
Reference numeral 3 denotes a trigger type liquid ejector. The liquid ejector hangs down the base tube portion 4 from the lower surface thereof, and an outward flange attached to the outer surface of the intermediate portion of the base tube portion is connected to the upper end surface of the mouth neck and the mouth neck. It is clamped by an inward flange at the upper end of the mounting cylinder 5 screwed to the outer surface of the part. The liquid ejector has a vertical cylinder portion 7 as a double cylinder with a liquid suction passage 6 that hangs down to the bottom of the container body, and a liquid inlet / outlet hole 8 communicating with the vertical cylinder portion on the rear wall. A cylinder 9 that protrudes forward from the front of the part, an injection cylinder 10 that protrudes forward from the upper end of the vertical cylinder part, a trigger 11 that hangs down from the front part of the injection cylinder, and a front end part that is fitted in the cylinder to the rear upper part of the trigger And a plunger 12 to be connected.
[0006]
The present invention portion will be described below. A first inward flange 14 having a first flange hole 13 as a part of the liquid suction passage 6 is provided at the lower end of the vertical cylindrical portion 7, and an injection is performed at the upper end of the vertical cylindrical portion 7. A second inward flange 16 with a second flange hole 15 communicating with the inside of the rear portion of the tube 10 is provided. The lower surface of the outer peripheral portion of the second flange hole 15 is formed in the valve seat 17.
[0007]
A valve member 21 integrally formed of a synthetic resin material is fitted into the vertical cylinder portion 7. The valve member has a short cylinder 22 at the lower end, and connects the upper ends of a plurality of elastic screw pieces 23 projecting upward from the upper surface of the short cylinder to the lower surface of the plug bar 24, and An elastic seal cylinder 25 having a reverse skirt shape protrudes in the direction, and the short cylinder 22 is placed on the upper surface of the first inward flange 14 so as to be fitted to the lower inner surface of the vertical cylinder portion 7 and elastic threads. In a state where the piece 23 is somewhat compressed against elasticity, the valve body portion 26 formed by the upper end portion of the plug rod 24 is brought into pressure contact with the valve seat 17 to form the discharge valve 27, and the outer periphery of the upper end of the elastic seal cylinder 25 Is in close contact with the inner wall surface of the vertical cylindrical portion 7 below the liquid inlet / outlet hole 8 to form a suction valve 28.
[0008]
In the above configuration, when the trigger 11 is pulled backward, the plunger 12 moves backward in the cylinder 9 and the inside of the cylinder rear part and the inside of the upper part of the vertical cylinder part 7 are pressurized between the suction valve 28 and the discharge valve 27. Due to the pressurization, the upper surface of the elastic seal cylinder 25 is pushed downward, so that the plug rod 24 descends against the urging of the elastic screw piece 23, and then the discharge valve 27 opens to open the inside of the cylinder rear part and the vertical cylinder part. 7 is ejected from the nozzle 31 fitted to the front end of the injection cylinder through the injection cylinder 10. When the plunger 12 reaches the rear limit, a seal cylinder 33 attached to the rear end of the plunger enters the groove 32 provided in the inner surface of the rear end of the cylinder. Then, the seal of the rear end of the plunger with respect to the cylinder 9 is released, and the above The high-pressure liquid in the pressurizing chamber passes between the outer surface of the plunger 12 and the inner surface of the cylinder 9 and is discharged into the container body 1 through the exhaust hole 34 formed in the bottom wall portion of the middle portion of the cylinder. Due to the discharge of the high-pressure liquid, the high-pressure state in the pressurizing chamber is eliminated, so that the plug rod 24 is raised and the discharge valve 27 is closed.
[0009]
Next, when the trigger 11 is released, the leaf spring 35 that protrudes obliquely forward from the lower rear of the liquid ejector presses the lever 36 that protrudes obliquely backward from the upper end of the trigger 11 downward. Slides forward, thus causing the plunger 12 to advance. Due to the advance of the plunger, the pressure in the rear part of the cylinder 9 and the upper part of the vertical cylinder part 7 is reduced, and the suction valve 28 is opened, and the liquid in the container passes through the liquid suction path 6 and the liquid in the container is in the rear part of the cylinder and the vertical cylinder part. 7 flows into the pressurizing chamber formed by the inside of the upper portion, and the negative pressure state is eliminated.
[0010]
【The invention's effect】
The present invention is configured as described above, and the upper ends of a plurality of elastic screw pieces 23 projecting upward from the upper surface of the short tube 22 into the vertical tube portion 7 with the liquid suction passage 6 hanging down into the bottom of the container body 1. Is connected to the lower surface of the stopper rod 24 and protrudes from the outer surface of the stopper rod upward and outward to the elastic seal cylinder 25 in the reverse skirt shape. The valve body portion 26 formed by the upper end portion of the plug bar is attached to the upper end portion of the vertical cylinder portion 7 in a state where the elastic screw piece 23 is somewhat compressed against the elasticity and fitted to the lower inner surface of the second cylindrical portion 7. A discharge valve 27 is formed by pressure contact with a valve seat 17 formed by the lower surface of the outer peripheral portion of the second flange hole of the directional flange 16, and a vertical cylinder below the liquid inlet / outlet hole 8 that communicates the inside of the vertical cylinder portion 7 and the inside of the cylinder 9. Since the suction valve 28 is formed by watertightly contacting the outer periphery of the upper end of the elastic seal cylinder 25 to the inner wall surface, the suction valve It can be formed and off valve, there is a convenient can be simplified structure as compared with the case of providing it such two valves separately.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a liquid ejection container of the present invention.
[Explanation of symbols]
7 ... Vertical cylinder 8 ... Liquid inlet / outlet hole 9 ... Cylinder 10 ... Injection cylinder
21… Valve member 22… Short cylinder
23 ... Elastic thread piece 24 ... Plug bar
25… Elastic seal cylinder 27… Discharge valve
28… Suction valve

Claims (1)

容器体１と、該容器体口部へ下部を着脱自在に装着させたトリガー式液体噴出器３とからなり、該液体噴出器は、容器体内底部まで垂下する液体吸込み路６付きの縦筒部７と、該縦筒部と連通する液体出入孔８を後壁に有して、縦筒部前面から前方突出するシリンダ９と、縦筒部上端から前方突出する射出筒10と、射出筒前部から垂下するトリガー11と、上記シリンダ内に嵌合されて前端部をトリガー上部へ連結するプランジャ12とを有するトリガー式液体噴出容器において、
上記縦筒部７下端に液体吸込み路６一部としての第１フランジ孔13を有する第１内向きフランジ14を設けると共に、縦筒部７の上端部に射出筒10内と連通する第２フランジ孔15付きの第２内向きフランジ16を設け、
短筒22上面から上方突出させた複数の弾性螺糸片23上端を栓棒24下面へ連結すると共に、栓棒外面から上外方へ逆スカート状の弾性シール筒25を突出する、合成樹脂材で一体成形した弁部材21を設けて、
上記短筒22を縦筒部７の下部内面へ嵌着させると共に、弾性螺糸片23を弾性に抗して多少圧縮した状態で、栓棒上端部が形成する弁体部26を第２フランジ孔の下面側周縁が形成する弁座17へ圧接させて吐出弁27を形成し、
更に弾性シール筒25の上端外周を、液体出入孔８下方の縦筒部７内壁面へ水密に圧接させて吸込み弁28を形成した
ことを特徴とするトリガー式液体噴出容器。It consists of a container body 1 and a trigger type liquid ejector 3 having a lower part detachably attached to the container body mouth, and the liquid ejector is a vertical tube section with a liquid suction passage 6 that hangs down to the bottom of the container body. 7, a cylinder 9 that has a liquid inlet / outlet hole 8 communicating with the vertical cylinder part in the rear wall, protrudes forward from the front surface of the vertical cylinder part, an injection cylinder 10 that protrudes forward from the upper end of the vertical cylinder part, and the front of the injection cylinder In a trigger type liquid ejection container having a trigger 11 that hangs down from a portion, and a plunger 12 that is fitted in the cylinder and connects a front end portion to the upper portion of the trigger,
A first inward flange 14 having a first flange hole 13 as a part of the liquid suction passage 6 is provided at the lower end of the vertical cylinder part 7 and a second flange communicating with the inside of the injection cylinder 10 at the upper end part of the vertical cylinder part 7. A second inward flange 16 with a hole 15 is provided,
Synthetic resin material that connects the upper ends of a plurality of elastic thread pieces 23 projecting upward from the upper surface of the short cylinder 22 to the lower surface of the plug bar 24 and projects an elastic seal cylinder 25 in an inverted skirt shape upward and outward from the outer surface of the plug bar The valve member 21 integrally formed with
While the short cylinder 22 is fitted to the lower inner surface of the vertical cylinder portion 7 and the elastic thread piece 23 is somewhat compressed against elasticity, the valve body portion 26 formed by the upper end portion of the plug rod is used as the second flange. The discharge valve 27 is formed by pressure contact with the valve seat 17 formed by the lower surface side periphery of the hole,
Furthermore, the trigger type liquid ejection container characterized in that the suction valve 28 is formed by water tightly pressing the outer periphery of the upper end of the elastic seal cylinder 25 to the inner wall surface of the vertical cylinder portion 7 below the liquid inlet / outlet hole 8.
JP21826297A 1997-07-28 1997-07-28 Trigger type liquid ejection container Expired - Fee Related JP3647615B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21826297A JP3647615B2 (en) 1997-07-28 1997-07-28 Trigger type liquid ejection container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21826297A JP3647615B2 (en) 1997-07-28 1997-07-28 Trigger type liquid ejection container

Publications (2)

Publication Number Publication Date
JPH1142452A JPH1142452A (en) 1999-02-16
JP3647615B2 true JP3647615B2 (en) 2005-05-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP21826297A Expired - Fee Related JP3647615B2 (en) 1997-07-28 1997-07-28 Trigger type liquid ejection container

Country Status (1)

Country Link
JP (1) JP3647615B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3476765A4 (en) * 2016-06-24 2020-03-11 Canyon Corporation Pressurized spray

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3916998B2 (en) 2002-04-30 2007-05-23 株式会社吉野工業所 Trigger type fluid dispenser
JP6345095B2 (en) * 2014-06-30 2018-06-20 株式会社吉野工業所 Trigger type liquid ejector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3476765A4 (en) * 2016-06-24 2020-03-11 Canyon Corporation Pressurized spray

Also Published As

Publication number Publication date
JPH1142452A (en) 1999-02-16

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