JPH10277446A - Trigger type liquid sprayer - Google Patents
Trigger type liquid sprayerInfo
- Publication number
- JPH10277446A JPH10277446A JP9105352A JP10535297A JPH10277446A JP H10277446 A JPH10277446 A JP H10277446A JP 9105352 A JP9105352 A JP 9105352A JP 10535297 A JP10535297 A JP 10535297A JP H10277446 A JPH10277446 A JP H10277446A
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- plunger
- outer diameter
- diameter portion
- large outer
- 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.)
- Granted
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
- 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
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Closures For Containers (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はトリガー式の液体噴
出器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a trigger type liquid ejector.
【０００２】[0002]
【従来の技術】例えば実開平6-34759 号が示すように、
噴出器本体が有する起立筒中間部からシリンダを、かつ
上端部から射出筒を、それぞれ前方突出し、又射出筒前
部から前後方向へ揺動可能に垂設したトリガーの上部
に、上記シリンダ内へ嵌合させたプランジヤ前端部を係
止させたトリガー式液体噴出器が知られている。2. Description of the Related Art For example, as shown in Japanese Utility Model Laid-Open No. 6-34759,
The cylinder is projected from the middle of the upright cylinder of the ejector body, and the injection cylinder is projected forward from the upper end, and the upper part of the trigger, which is vertically swingable from the front of the injection cylinder, is inserted into the cylinder. A trigger type liquid ejector in which a fitted plunger front end portion is locked is known.
【０００３】[0003]
【発明が解決しようとする課題】上記、トリガー式液体
噴出器は、トリガーの揺動運動をプランジヤの直進運動
に変換してシリンダ内で往復させるから、トリガー引寄
せ時において、シリンダに対してプランジヤが、従って
又トリガーが左右方向へグラ付き易くなる筈である。こ
のためシリンダ後壁の中央部からガイド杵を前方突出し
てプランジヤ内へ嵌合させることで上記グラ付きを防止
しているが、例えば図３が示すような弁部材27をシリン
ダ内へ設ける場合は上記ガイド杵を設けることが出来な
いこととなる。本発明は上記ガイド杵以外の方法でプラ
ンジヤのグラ付きを防止できるよう設けたものである。The trigger type liquid ejector described above converts the swinging movement of the trigger into the rectilinear movement of the plunger and reciprocates in the cylinder. Therefore, when the trigger is pulled, the plunger is moved relative to the cylinder. However, the trigger should also be more likely to grind in the left-right direction. For this reason, the guide punch is protruded forward from the center of the rear wall of the cylinder and fitted into the plunger to prevent the above-mentioned sticking. For example, when the valve member 27 as shown in FIG. 3 is provided in the cylinder, The guide punch cannot be provided. The present invention is provided to prevent the plunger from sticking by a method other than the above-mentioned guide punch.
【０００４】[0004]
【課題を解決するための手段】第１の手段として、容器
体口頸部外面への嵌合用装着筒から垂直筒５を起立し、
該垂直筒中間部からシリンダ６を、かつ上端部から射出
筒７を、それぞれ前方突出し、射出筒前端にはノズル取
付筒部材８を介してノズル９を嵌合すると共に、射出筒
前部から前後方向へ揺動自在に垂下したトリガー10上部
に、上記シリンダ６内へ嵌合させた後面開口で中空のプ
ランジヤ11の前端部を係止させた、トリガー式液体噴出
器において、上記プランジヤ11の後端部と中間部とに、
シリンダ内壁面へ水密に接する第１大外径部41と、シリ
ンダ内径より僅かに小外径とした第２大外径部42とを形
成して、該プランジヤがシリンダ６に対して前限に位置
する状態において、プランジヤ前方側の第２大外径部42
はシリンダの前部内に位置するよう設けた。As a first means, a vertical cylinder 5 is erected from a mounting cylinder for fitting to the outer surface of the mouth and neck of a container body.
The cylinder 6 and the injection cylinder 7 protrude forward from the middle part of the vertical cylinder and the injection cylinder 7 from the upper end, respectively. A trigger type liquid ejector in which a front end of a hollow plunger 11 is locked by an opening on a rear surface fitted into the cylinder 6 above a trigger 10 which hangs freely in a direction. At the end and the middle,
A first large outer diameter portion 41 in water-tight contact with the inner wall surface of the cylinder and a second large outer diameter portion 42 having an outer diameter slightly smaller than the inner diameter of the cylinder are formed. In the position, the second large outer diameter portion 42 on the plunger front side
Was provided in the front of the cylinder.
【０００５】第２の手段として、上記第１の手段を有す
ると共にプランジヤ11を、第１大外径部41を後端部に有
し、第２大外径部を有しないプランジヤ本体11a と、該
プランジヤ本体の中間部外面へ嵌合して固着させた筒体
11b とで形成し、該筒体11bを第２大外径部42とした。As a second means, there is provided a plunger body 11a having the first means and having the plunger 11 at the rear end of the first large outer diameter portion 41 and not having the second large outer diameter portion. A cylindrical body fitted and fixed to an outer surface of an intermediate portion of the plunger body
11b, and the cylindrical body 11b is used as a second large outer diameter portion 42.
【０００６】第３の手段として、上記第１の手段を有す
ると共にプランジヤ11を、第１大外径部41を後端部に有
する後方部材11c と、第２大外径部42を後端部に有する
前方部材11d との二部材で形成し、後方部材前端ないし
後方部材後端から連結筒部11e を突出し、該連結筒部
を、前方部材ないし後方部材へ嵌合し固着させた。As third means, the plunger 11 having the first means and the rear member 11c having the first large outer diameter portion 41 at the rear end, and the second large outer diameter portion 42 having the rear end portion are provided. The connecting cylinder 11e is projected from the front end of the rear member or the rear end of the rear member, and the connecting cylinder is fitted and fixed to the front member or the rear member.
【０００７】[0007]
【発明の実施の形態】まずトリガー式液体噴出器の基本
構造について簡単に説明すると、１は容器体口頸部外面
へ螺合可能に設けた装着筒で、該装着筒の上部内から連
結部材２を起立している。該部材は頂壁後部を貫設して
嵌合筒３を起立し、該嵌合筒外面へ、噴出器本体４の有
頂の垂直筒５を嵌合させている。垂直筒中間部からはシ
リンダ６を、かつ上端部からは射出筒７を、それぞれ前
方突出し、又射出筒７前部にはノズル取付筒部材８を介
してノズル９を嵌合させている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, the basic structure of a trigger type liquid ejector will be briefly described. Reference numeral 1 denotes a mounting cylinder provided to be screwable to the outer surface of the neck of a container body. Standing 2 The member extends through the rear portion of the top wall to raise the fitting cylinder 3, and the vertical cylinder 5 having the top of the ejector body 4 is fitted to the outer surface of the fitting cylinder. The cylinder 6 protrudes forward from the middle of the vertical cylinder, and the injection cylinder 7 protrudes forward from the upper end, and a nozzle 9 is fitted to the front of the injection cylinder 7 via a nozzle mounting cylinder member 8.
【０００８】上記射出筒前部の左右側方部からはトリガ
ー10を前後方向へ揺動自在に垂下し、該トリガー上部
に、上記シリンダ内へ嵌合させた後面開口で中空のプラ
ンジヤ11前端部を枢支させている。A trigger 10 is suspended from the left and right sides of the front part of the injection cylinder so as to be swingable in the front-rear direction. Above the trigger, a front end of a hollow plunger 11 having a rear opening fitted into the cylinder is provided. Is pivoted.
【０００９】通常上記嵌合筒３の下部内に吸込み弁を、
かつ上部内に吐出弁を形成するが、本発明実施形態にあ
っては、上記嵌合筒３内を、吸上げパイプ21を介して容
器体内と連通する第１流通路22と、射出筒７と連通する
第２流通路23とに区分し、シリンダ後壁24の中央部から
上記第１流通路22と連通する嵌合基筒25を、かつシリン
ダ後壁の外周部から上記第２流通路23と連通する短筒部
26とを、それぞれ前方突出し、その嵌合基筒25外面へ合
成樹脂材で一体成形した弁部材27を嵌合させて、該弁部
材が有する弾性筒部と上記短筒部とで吐出弁を、又弁部
材が有する弁板と嵌合基筒25前端面とで吸込み弁を形成
している。即ち、弁部材27を、図３が示すように基筒部
28の前端から後外方へ弾性筒29を拡開突出すると共に、
基筒部28前端から前方突出する複数の弾性螺線30先端に
弁板31を付設して形成し、上記基筒部28を嵌合基筒25の
後部外面へ嵌合させると共に、弾性筒29後端部を短筒部
26内面へ圧接させて吐出弁32となし、又弁板31を嵌合基
筒25前端面へ圧接させて吸込み弁33を形成させている。Normally, a suction valve is provided in the lower part of the fitting cylinder 3,
A discharge valve is formed in the upper part. In the embodiment of the present invention, a first flow passage 22 communicating with the inside of the container through a suction pipe 21 through the fitting tube 3 and an injection tube 7 are provided. A second base passage 25 communicating with the first flow passage 22 from the center of the cylinder rear wall 24, and a second base passage 25 extending from the outer peripheral portion of the cylinder rear wall. Short cylinder communicating with 23
26, each projecting forward, and fitting a valve member 27 integrally formed of a synthetic resin material to the outer surface of the fitting base cylinder 25 to fit a discharge valve with an elastic cylindrical portion of the valve member and the short cylindrical portion. Further, a suction valve is formed by the valve plate of the valve member and the front end face of the fitting base cylinder 25. That is, as shown in FIG.
While expanding and projecting the elastic cylinder 29 from the front end of 28 to the rear outward,
A plurality of elastic screws 30 projecting forward from the front end of the base cylinder portion 28 are formed with a valve plate 31 attached to the tip thereof, and the base cylinder portion 28 is fitted to the rear outer surface of the fitting base cylinder 25, and the elastic cylinder 29 The rear end is a short cylinder
A discharge valve 32 is formed by pressing against the inner surface of the fitting 26, and a suction valve 33 is formed by pressing the valve plate 31 against the front end surface of the fitting base cylinder 25.
【００１０】プランジヤ11は、トリガー10引寄せにより
上記弁部材27がプランジヤ11内へ遊挿可能に形成する。
該プランジヤは、後端部と中間部とに、シリンダ内壁面
へ水密に接する第１大外径部41と、シリンダ内径より僅
かに小外径とした第２大外径部42とを形成し、該プラン
ジヤがシリンダ６に対して図示のように前限に位置する
状態で、プランジヤ前方側の第２大外径部42がシリンダ
の前部内に位置するよう設ける。The plunger 11 is formed so that the valve member 27 can be freely inserted into the plunger 11 by pulling the trigger 10.
The plunger has a first large outer diameter portion 41 in water-tight contact with the inner wall surface of the cylinder and a second large outer diameter portion 42 having an outer diameter slightly smaller than the inner diameter of the cylinder, at a rear end portion and an intermediate portion. In a state where the plunger is located at the front end with respect to the cylinder 6 as shown in the drawing, the second large outer diameter portion 42 on the front side of the plunger is provided so as to be located inside the front portion of the cylinder.
【００１１】図１が示す第１実施形態において、プラン
ジヤ11を、第１大外径部41を後端部に有して第２大外径
部を有しないプランジヤ本体11a と、該プランジヤ本体
の中間部外面へ嵌合固着させた筒体11b とで形成し、該
筒体に第２大外径部42を付設した。図示例では筒体11b
を、プランジヤ本体外面へ嵌合させた内筒後端の外向き
フランジから外筒を前方突出して形成したが、このよう
に二重筒でなくても差支えない。In the first embodiment shown in FIG. 1, a plunger 11 has a first large outer diameter portion 41 at a rear end thereof, and has no second large outer diameter portion. And a cylindrical body 11b fitted and fixed to the outer surface of the intermediate portion. In the illustrated example, the cylindrical body 11b
Is formed by projecting the outer cylinder forward from the outward flange at the rear end of the inner cylinder fitted to the outer surface of the plunger body. However, the outer cylinder does not have to be a double cylinder.
【００１２】図２が示す第２実施形態ではプランジヤ11
を、第１大外径部41を後端部に有する後方部材11c と、
第２大外径部42を後端部に有する前方部材11d との二部
材で、後方部材前端から前方突出する連結筒部11e を前
方部材11d 内へ嵌合固着させて形成した。但しその連結
筒部11e は前方部材11d 後端から後方突出して、後方部
材11c 内面へ嵌合させてもよい。又前方部材11d の後部
を二重筒として、その外筒で第２大外径部42を形成して
いるが、二重筒である必要もない。In the second embodiment shown in FIG.
A rear member 11c having a first large outer diameter portion 41 at a rear end thereof;
The front tubular member 11d has a second large outer diameter portion 42 at its rear end, and a connecting tubular portion 11e projecting forward from the front end of the rear member is fitted and fixed in the front member 11d. However, the connecting tubular portion 11e may protrude rearward from the rear end of the front member 11d, and may be fitted to the inner surface of the rear member 11c. In addition, the rear part of the front member 11d is a double cylinder, and the outer cylinder forms the second large outer diameter portion 42. However, the double cylinder is not required.
【００１３】第２大外径部42は、プランジヤ11がシリン
ダ内でシリンダ軸線に対してガタ付かないよう設けるも
のであり、シリンダ内壁面に対して、望ましくは接触し
ないよう設ければよい。The second large outer diameter portion 42 is provided so that the plunger 11 does not rattle with respect to the cylinder axis in the cylinder, and may be provided so as not to desirably contact the inner wall surface of the cylinder.
【００１４】[0014]
【発明の効果】本発明は既述構成とするものであり、プ
ランジヤ11の後端部と中間部とに、シリンダ内壁面へ水
密に接する第１大外径部41と、シリンダ内径よりも僅か
に小外径とした第２大外径部42とを設けてプランジヤ11
が前限に位置する状態で第２大外径部42がシリンダ前部
内に位置するよう設けたから、シリンダ６に対してプラ
ンジヤ11が、従ってトリガーが図３が示すように左右に
ブレることを防止でき、従って又第１大外径部41の摩耗
ないし変形を防止して、シリンダ内壁面に対する水密な
接触状態を持続させることが出来る。According to the present invention, the plunger 11 has a first large outer diameter portion 41 which is in water-tight contact with the inner wall surface of the plunger 11 and a slightly larger inner diameter portion than the inner diameter of the cylinder. A second large outer diameter portion 42 having a small outer diameter is provided on the plunger 11.
Since the second large outer diameter portion 42 is located in the front portion of the cylinder while the front end is located at the front end, the plunger 11 with respect to the cylinder 6 and therefore the trigger is moved to the left and right as shown in FIG. Therefore, the first large outer diameter portion 41 can be prevented from being worn or deformed, and the water-tight contact state with the cylinder inner wall surface can be maintained.
【００１５】請求項２および請求項３記載の場合は、上
記請求項１記載発明の効果を併せ有すると共に、そのプ
ランジヤを二部材で形成したからその成形が容易であ
る。In the case of the second and third aspects, the effect of the first aspect of the invention is provided, and the plunger is formed of two members, so that the molding is easy.
【図１】 第１実施形態で示す、本発明液体噴出器の縦
断面図である。FIG. 1 is a longitudinal sectional view of a liquid ejector of the present invention shown in a first embodiment.
【図２】 第２実施形態で示す、液体噴出器の縦断面図
である。FIG. 2 is a longitudinal sectional view of a liquid ejector shown in a second embodiment.
【図３】 第１、第２両実施形態で使用している主要部
材の断面図である。FIG. 3 is a sectional view of a main member used in both the first and second embodiments.
【図４】 従来例液体噴出器の正面図である。FIG. 4 is a front view of a conventional liquid ejector.
６…シリンダ 10…トリガー 11…プランジヤ 27…弁部材 41…第１大外径部 42…第２大外径部 6: Cylinder 10: Trigger 11: Plunger 27: Valve member 41: First large outer diameter part 42: Second large outer diameter part
Claims (3)
垂直筒５を起立し、該垂直筒中間部からシリンダ６を、
かつ上端部から射出筒７を、それぞれ前方突出し、射出
筒前端にはノズル取付筒部材８を介してノズル９を嵌合
すると共に、射出筒前部から前後方向へ揺動自在に垂下
したトリガー10上部に、上記シリンダ６内へ嵌合させた
後面開口で中空のプランジヤ11の前端部を係止させた、
トリガー式液体噴出器において、 上記プランジヤ11の後端部と中間部とに、シリンダ内壁
面へ水密に接する第１大外径部41と、シリンダ内径より
僅かに小外径とした第２大外径部42とを形成して、該プ
ランジヤがシリンダ６に対して前限に位置する状態にお
いて、プランジヤ前方側の第２大外径部42はシリンダの
前部内に位置するよう設けたことを特徴とする、トリガ
ー式液体噴出器。1. A vertical cylinder 5 is erected from a fitting cylinder for fitting to the outer surface of the mouth and neck of a container body, and a cylinder 6 is
The injection cylinder 7 projects forward from the upper end, and a nozzle 9 is fitted to the front end of the injection cylinder via a nozzle mounting cylinder member 8, and the trigger 10 hangs down from the front of the injection cylinder so as to swing back and forth. At the upper part, the front end of the hollow plunger 11 was locked by a rear opening fitted into the cylinder 6.
In the trigger type liquid ejector, a first large outer diameter portion 41 that is in water-tight contact with the cylinder inner wall surface and a second large outer diameter that is slightly smaller than the cylinder inner diameter are provided at the rear end and the intermediate portion of the plunger 11. The second large outer diameter portion 42 on the front side of the plunger is provided so as to be located in the front portion of the cylinder when the plunger is formed at the front end relative to the cylinder 6 by forming the diameter portion 42. Trigger type liquid ejector.
部に有し、第２大外径部を有しないプランジヤ本体11a
と、該プランジヤ本体の中間部外面へ嵌合して固着させ
た筒体11b とで形成し、該筒体11b を第２大外径部42と
したことを特徴とする、請求項１記載のトリガー式液体
噴出器。2. A plunger body 11a having a first large outer diameter portion 41 at its rear end and having no second large outer diameter portion.
And a cylindrical body 11b fitted and fixed to an outer surface of an intermediate portion of the plunger main body, wherein the cylindrical body 11b is a second large outer diameter portion 42. Trigger type liquid ejector.
部に有する後方部材11c と、第２大外径部42を後端部に
有する前方部材11d との二部材で形成し、後方部材前端
ないし後方部材後端から連結筒部11e を突出し、該連結
筒部を、前方部材ないし後方部材へ嵌合し固着させたこ
とを特徴とする、請求項１記載のトリガー式液体噴出
器。3. The plunger 11 is formed of two members, a rear member 11c having a first large outer diameter portion 41 at a rear end and a front member 11d having a second large outer diameter portion 42 at a rear end. 2. A trigger type liquid jet according to claim 1, wherein the connecting cylinder portion is projected from the front end of the rear member or the rear end of the rear member, and the connecting cylinder portion is fitted and fixed to the front member or the rear member. vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10535297A JP3701431B2 (en) | 1997-04-07 | 1997-04-07 | Trigger type liquid ejector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10535297A JP3701431B2 (en) | 1997-04-07 | 1997-04-07 | Trigger type liquid ejector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10277446A true JPH10277446A (en) | 1998-10-20 |
| JP3701431B2 JP3701431B2 (en) | 2005-09-28 |
Family
ID=14405346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10535297A Expired - Lifetime JP3701431B2 (en) | 1997-04-07 | 1997-04-07 | Trigger type liquid ejector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3701431B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002039382A (en) * | 2000-07-26 | 2002-02-06 | Masahiro Furusawa | Piston cylinder device |
| JP2012176381A (en) * | 2011-02-28 | 2012-09-13 | Yoshino Kogyosho Co Ltd | Trigger type liquid ejector |
| JP2015085289A (en) * | 2013-10-31 | 2015-05-07 | 株式会社吉野工業所 | Trigger type liquid sprayer |
| CN107107085A (en) * | 2014-11-28 | 2017-08-29 | 株式会社吉野工业所 | Trigger-type liquid sprayer |
-
1997
- 1997-04-07 JP JP10535297A patent/JP3701431B2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002039382A (en) * | 2000-07-26 | 2002-02-06 | Masahiro Furusawa | Piston cylinder device |
| JP2012176381A (en) * | 2011-02-28 | 2012-09-13 | Yoshino Kogyosho Co Ltd | Trigger type liquid ejector |
| JP2015085289A (en) * | 2013-10-31 | 2015-05-07 | 株式会社吉野工業所 | Trigger type liquid sprayer |
| CN107107085A (en) * | 2014-11-28 | 2017-08-29 | 株式会社吉野工业所 | Trigger-type liquid sprayer |
| US10195626B2 (en) | 2014-11-28 | 2019-02-05 | Yoshino Kogyosho Co., Ltd. | Trigger-type liquid dispenser |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3701431B2 (en) | 2005-09-28 |
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