JP3751461B2 - Trigger type liquid ejection container - Google Patents

Trigger type liquid ejection container Download PDF

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Publication number
JP3751461B2
JP3751461B2 JP05107799A JP5107799A JP3751461B2 JP 3751461 B2 JP3751461 B2 JP 3751461B2 JP 05107799 A JP05107799 A JP 05107799A JP 5107799 A JP5107799 A JP 5107799A JP 3751461 B2 JP3751461 B2 JP 3751461B2
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Prior art keywords
cylinder
trigger
cylindrical cover
injection cylinder
fitted
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Expired - Fee Related
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JP2000246155A (en
Inventor
伸夫 山中
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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
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means
    • B05B11/1056—Actuation means comprising rotatable or articulated levers
    • B05B11/1057—Triggers, i.e. actuation means consisting of a single lever having one end rotating or pivoting around an axis or a hinge fixedly attached to the container, and another end directly actuated by the user

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

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１０−２４９２５２号が示すように、容器体口頸部へ嵌合させた装着筒内から主筒を起立し、該主筒前面からシリンダを、かつ主筒上端から射出筒を、それぞれ前方突出し、又射出筒前部に枢着させて垂設したトリガーの上方後部に、上記シリンダ内へ嵌合させたプランジャ前端部を連結し、かつトリガーを前方付勢させ、トリガーの前後方向揺動で容器体内液体をシリンダ内へ吸込み、かつ該シリンダ内液体を射出筒前端から噴出可能に設けたトリガー式の液体噴出容器が知られている。
【０００３】
【発明が解決しようとする課題】
上記公知例にあっては、不用意にトリガーを引寄せても射出筒前端から液体を噴出するから、このような不用意な液体噴出を防止するための安全装置を設けることが望まれていた。
本発明はトリガー操作を不能とする安全装置を設けることで、上記のような不用意な液体噴出を防止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】
第１の手段として、容器体１の口頸部外面へ嵌合させた装着筒２後部から主筒２ａを起立し、該主筒前面からシリンダ３を、かつ主筒上端から射出筒４を、それぞれ前方突設し、シリンダ３内へ嵌合させたプランジャ５前端部へトリガー６を連結させ、該トリガーの前後動で容器体内液体をシリンダ３内へ吸込み、かつ該シリンダ内液体を射出筒４前端から噴出可能に設けたトリガー式液体噴出容器において、
上記装着筒２外面へ緊密に嵌着させた有頂のキャップ状部１１後部から、上記主筒２ａ外面を覆う縦筒状カバー１２を起立すると共に、該縦筒状カバー上端から上記射出筒４外面を覆う横筒状カバー１３を前方突設して、該横筒状カバー前端部上面に係合突部１４を形成し、更に上記キャップ状部１１の上面前部に凹部１５を形成したカバー部材１０を設け、
上記トリガー６の上下方向中間部をプランジャ５前端部へ前後左右方向に揺動自在に連結させて、そのトリガー上部の射出筒４前方部分に、横筒状カバー前端部が遊嵌可能な窓部１９を穿設すると共に、該窓部上方のトリガー部分後面から係合片２０を突設して、該係合片を上記係合突部１４へ左右方向に離脱可能に、かつ前後方向に回動可能に係合させ、
上記トリガー６は、係合片２０が係合突部１４へ係合して、窓部１９が射出筒４前方に位置する後方引寄せ可能位置と、該引寄せ可能位置からトリガー連結部を中心に左右一方向へ回動して、係合片２０が凹部１５後面へ係合すると共に、トリガー６下部が上記射出筒４前端面を閉塞する後方引寄せ不能位置とを有する。
【０００５】
【発明の実施の形態】
以下、本発明に係るトリガー式液体噴出容器の実施形態を図面を参照しながら説明する。
まず、トリガー式液体噴出容器の公知の部分について簡単に説明すると、容器体１の口頸部外面へ嵌合させた装着筒２後部から主筒２ａを起立し、該主筒前面からシリンダ３を、かつ主筒２ａ上端からノズル付き射出筒４を、それぞれ前方突設し、シリンダ３内へ嵌合させたプランジャ５前端部をトリガー６へ連結させている。プランジャ５はシリンダ３内に設けたバネで前方付勢され、従って、プランジャ５に連結されたトリガー６も前方付勢状態にある。トリガー６を前後動させると、容器体内液体がシリンダ３内へ吸い込まれ、かつこのシリンダ内液体が射出筒４前端のノズルから噴出される。
【０００６】
本発明では、カバー部材１０を有し、該カバー部材は、装着筒２外面へ緊密に嵌着させた有頂のキャップ状部１１後部から、上記主筒２ａ外面を覆う有頂縦筒状カバー１２を起立すると共に、該縦筒状カバー上端から射出筒４外面を覆う横筒状カバー１３を前方突設する。そして、該横筒状カバー前端部上面に左右方向への係合突条１４を形成すると共に、キャップ状部１１の上面前部に前面及び左右両面開放の凹部１５を形成する。
なお、組付容易性を考慮し、キャップ状部１１の後部、縦筒状カバー１２の後面及び下部前面、横筒状カバー１３の前面及び下面のそれぞれを開口しておくことが好ましい。
【０００７】
一方、プランジャ５前端部に、板状トリガー６の中央部を自在継手を介して前後左右方向に揺動自在に連結させる。自在継手としては、特に限定はないが、例えば、図示するようにプランジャ５の前端部に回動軸を介して取り付けた二又状の軸受部１７を、ボルト形状の連結具１８を介してトリガー６の中央部へ軸着させて形成したものや、玉継手等を採用する。
【０００８】
トリガー６上部の射出筒４前方部分に、射出筒前端部が遊嵌可能な窓部１９を穿設すると共に、該窓部上方のトリガー６部分後面からＬ字状の係合片２０を突設して、該係合片を係合突条１４へ左右方向に離脱可能に、かつ前後方向に回動可能に係合させる。
また、トリガー６下部前面に多数の左右方向に延びる突条を形成して把持部２１に形成する。
【０００９】
次に本実施形態の作用について説明する。
図１はトリガー６の後方引寄せが可能な状態を示す。射出筒４から液体を噴出させるには、把持部２１に手を当ててトリガー６を後方へ引き寄せればよく、すると図３に鎖線で示すように、トリガー６は係合突条１４を中心に後方へ揺動して、横筒状カバー１３前端が窓部１９内に入る。
トリガー６を離すと、シリンダ３内のバネの付勢力でプランジャ５が前進して、容器体内液体がシリンダ３内へ吸い込まれる。
【００１０】
トリガー６の後方引寄せを不能にするためには、連結具１８を中心にトリガー６を左右どちらかの方向へ回動させればよく、すると図４に示すように係合片２０が係合突条１４から左右方向へ離脱して、凹部１５後面へ係合すると共に、トリガ−６下部後面が横筒状カバー１３前面を閉塞する。このようにトリガー６を図１の状態から約１８０°回動させると係合片２０が凹部１５へ係合するため、トリガー６の後方引寄せが不能になる。
【００１１】
【発明の効果】
本発明に係るトリガー式液体噴出容器は、トリガーをプランジャへ連結させて凹部へ係合可能に形成したので、トリガーを凹部へ係合させることでトリガーの後方引寄せを不能にすることができ、このため悪戯等の不用意な液体噴出を防止することができる。
【図面の簡単な説明】
【図１】本発明に係るトリガー式液体噴出容器の斜視図。
【図２】同じく、トリガーとプランジャとの連結状態を示す斜視図。
【図３】同じく、作用説明図。
【図４】同じく、トリガーの後方引寄せ不能位置を示す斜視図。
【符号の説明】
１ 容器体
２ 装着筒
２ 主筒２ａ
３ シリンダ
４ 射出筒
５ プランジャ
６ トリガー
１０ カバー部材
１１ キャップ状部材
１２ 縦筒状カバー
１３ 横筒状カバー
１５ 凹部
１９ 窓部
２０ 係合片[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. 10-249252, the main cylinder is raised from the inside of the mounting cylinder fitted to the container body neck and neck, the cylinder from the front surface of the main cylinder, and the injection cylinder from the upper end of the main cylinder, The front end of the plunger fitted into the cylinder is connected to the upper rear part of the trigger that protrudes forward and is pivotally attached to the front part of the injection cylinder, and the trigger is forward-biased. 2. Description of the Related Art A trigger-type liquid ejection container is known in which a liquid in a container is sucked into a cylinder by swinging and the liquid in the cylinder is ejected from the front end of an injection cylinder.
[0003]
[Problems to be solved by the invention]
In the above known example, even if the trigger is inadvertently pulled, the liquid is ejected from the front end of the injection cylinder. Therefore, it has been desired to provide a safety device for preventing such inadvertent liquid ejection. .
The present invention is provided to prevent the inadvertent liquid ejection as described above by providing a safety device that disables the trigger operation.
[0004]
[Means for Solving the Problems]
As a first means, the main cylinder 2a is erected from the rear part of the mounting cylinder 2 fitted to the outer surface of the mouth and neck of the container body 1, the cylinder 3 from the front surface of the main cylinder, and the injection cylinder 4 from the upper end of the main cylinder. The trigger 6 is connected to the front end portion of the plunger 5 that protrudes forward and is fitted into the cylinder 3, and the liquid in the container is sucked into the cylinder 3 by the back and forth movement of the trigger, and the liquid in the cylinder is injected into the injection cylinder 4. In the trigger type liquid ejection container provided so that it can be ejected from the front end,
A vertical cylindrical cover 12 that covers the outer surface of the main cylinder 2a is erected from the rear part of the cap-shaped part 11 that is tightly fitted to the outer surface of the mounting cylinder 2 and the injection cylinder 4 from the upper end of the vertical cylindrical cover. A cover in which a horizontal cylindrical cover 13 covering the outer surface is projected forward, an engagement protrusion 14 is formed on the upper surface of the front end of the horizontal cylindrical cover, and a recess 15 is formed on the upper surface of the cap-shaped portion 11. Member 10 is provided,
A window portion in which the front end portion of the horizontal cylindrical cover can be loosely fitted to the front portion of the injection cylinder 4 at the top of the trigger by connecting the middle portion of the trigger 6 to the front end portion of the plunger 5 so as to be swingable in the front-rear and left-right directions. 19 and an engagement piece 20 protruding from the rear surface of the trigger portion above the window so that the engagement piece can be detached from the engagement protrusion 14 in the left-right direction and rotated in the front-rear direction. Engage movably,
The trigger 6 engages with the engagement protrusion 14 with the engagement piece 20, and a rear drawable position where the window 19 is located in front of the injection cylinder 4, and the trigger connecting portion is centered from the drawable position. The engaging piece 20 is engaged with the rear surface of the recess 15 and the lower portion of the trigger 6 has a rear unpullable position where the front end surface of the injection cylinder 4 is closed.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of a trigger type liquid ejection container according to the present invention will be described with reference to the drawings.
First, the known part of the trigger type liquid ejection container will be briefly described. The main cylinder 2a is erected from the rear part of the mounting cylinder 2 fitted to the outer surface of the mouth neck of the container body 1, and the cylinder 3 is moved from the front surface of the main cylinder. In addition, the injection cylinder 4 with a nozzle protrudes forward from the upper end of the main cylinder 2a, and the front end of the plunger 5 fitted into the cylinder 3 is connected to the trigger 6. The plunger 5 is urged forward by a spring provided in the cylinder 3, and therefore the trigger 6 connected to the plunger 5 is also in the forward urged state. When the trigger 6 is moved back and forth, the liquid in the container is sucked into the cylinder 3 and the liquid in the cylinder is ejected from the nozzle at the front end of the injection cylinder 4.
[0006]
In the present invention, the cover member 10 is provided, and the cover member covers the outer surface of the main tube 2a from the rear portion of the cap-shaped portion 11 that is tightly fitted to the outer surface of the mounting tube 2. 12 and a horizontal cylindrical cover 13 that covers the outer surface of the injection cylinder 4 from the upper end of the vertical cylindrical cover. Then, an engaging protrusion 14 in the left-right direction is formed on the upper surface of the front end portion of the horizontal cylindrical cover, and a front surface and a recessed portion 15 that is open on both the left and right sides are formed on the front surface of the cap-shaped portion 11.
In consideration of ease of assembly, it is preferable to open the rear portion of the cap-shaped portion 11, the rear surface and the lower front surface of the vertical cylindrical cover 12, and the front surface and the lower surface of the horizontal cylindrical cover 13, respectively.
[0007]
On the other hand, the central portion of the plate-like trigger 6 is connected to the front end portion of the plunger 5 through a universal joint so as to be swingable in the front-rear and left-right directions. The universal joint is not particularly limited. For example, a bifurcated bearing portion 17 attached to the front end portion of the plunger 5 via a rotation shaft as shown in the figure is triggered via a bolt-shaped connector 18. The one formed by attaching to the center of 6 or a ball joint or the like is employed.
[0008]
A window portion 19 in which the front end portion of the injection cylinder can be loosely fitted is formed in a front portion of the injection cylinder 4 above the trigger 6 and an L-shaped engagement piece 20 is projected from the rear surface of the trigger 6 portion above the window section. Then, the engagement piece is engaged with the engagement protrusion 14 so as to be disengageable in the left-right direction and to be rotatable in the front-rear direction.
Further, a plurality of protrusions extending in the left-right direction are formed on the front surface of the lower portion of the trigger 6 and formed on the grip portion 21.
[0009]
Next, the operation of this embodiment will be described.
FIG. 1 shows a state in which the trigger 6 can be pulled backward. In order to eject the liquid from the injection cylinder 4, it is only necessary to apply the hand to the gripping part 21 and pull the trigger 6 backward. Then, as shown by the chain line in FIG. Swinging backward, the front end of the horizontal cylindrical cover 13 enters the window portion 19.
When the trigger 6 is released, the plunger 5 moves forward by the biasing force of the spring in the cylinder 3 and the liquid in the container is sucked into the cylinder 3.
[0010]
In order to make the trigger 6 unable to be pulled backward, the trigger 6 has only to be rotated in the left or right direction around the connector 18, and the engagement piece 20 is engaged as shown in FIG. The ridge 14 is disengaged in the left-right direction and engaged with the rear surface of the recess 15, and the lower rear surface of the trigger 6 closes the front surface of the horizontal cylindrical cover 13. Thus, when the trigger 6 is rotated about 180 ° from the state of FIG. 1, the engagement piece 20 is engaged with the concave portion 15, so that the trigger 6 cannot be pulled backward.
[0011]
【The invention's effect】
Since the trigger type liquid ejection container according to the present invention is formed so that it can be engaged with the recess by connecting the trigger to the plunger, it is possible to disable the rearward pulling of the trigger by engaging the trigger with the recess, For this reason, careless liquid ejection such as mischief can be prevented.
[Brief description of the drawings]
FIG. 1 is a perspective view of a trigger type liquid ejection container according to the present invention.
FIG. 2 is a perspective view showing a connected state of a trigger and a plunger, similarly.
FIG. 3 is an explanatory diagram of the operation.
FIG. 4 is a perspective view showing a position where the trigger cannot be pulled backward similarly.
[Explanation of symbols]
1 container body 2 mounting cylinder 2 main cylinder 2a
3 Cylinder 4 Injection cylinder 5 Plunger 6 Trigger 10 Cover member 11 Cap-shaped member 12 Vertical cylindrical cover 13 Horizontal cylindrical cover 15 Recess 19 Window 20 Engagement piece

Claims (1)

容器体１の口頸部外面へ嵌合させた装着筒２後部から主筒２ａを起立し、該主筒前面からシリンダ３を、かつ主筒上端から射出筒４を、それぞれ前方突設し、シリンダ３内へ嵌合させたプランジャ５前端部へトリガー６を連結させ、該トリガーの前後動で容器体内液体をシリンダ３内へ吸込み、かつ該シリンダ内液体を射出筒４前端から噴出可能に設けたトリガー式液体噴出容器において、
上記装着筒２外面へ緊密に嵌着させた有頂のキャップ状部１１後部から、上記主筒２ａ外面を覆う縦筒状カバー１２を起立すると共に、該縦筒状カバー上端から上記射出筒４外面を覆う横筒状カバー１３を前方突設して、該横筒状カバー前端部上面に係合突部１４を形成し、更に上記キャップ状部１１の上面前部に凹部１５を形成したカバー部材１０を設け、
上記トリガー６の上下方向中間部をプランジャ５前端部へ前後左右方向に揺動自在に連結させて、そのトリガー上部の射出筒４前方部分に、横筒状カバー前端部が遊嵌可能な窓部１９を穿設すると共に、該窓部上方のトリガー部分後面から係合片２０を突設して、該係合片を上記係合突部１４へ左右方向に離脱可能に、かつ前後方向に回動可能に係合させ、
上記トリガー６は、係合片２０が係合突部１４へ係合して、窓部１９が射出筒４前方に位置する後方引寄せ可能位置と、該引寄せ可能位置からトリガー連結部を中心に左右一方向へ回動して、係合片２０が凹部１５後面へ係合すると共に、トリガー６下部が上記射出筒４前端面を閉塞する後方引寄せ不能位置とを有する、
ことを特徴とするトリガー式液体噴出容器。The main cylinder 2a is erected from the rear part of the mounting cylinder 2 fitted to the outer surface of the mouth and neck of the container body 1, the cylinder 3 is projected from the front surface of the main cylinder, and the injection cylinder 4 is projected from the upper end of the main cylinder, respectively. A trigger 6 is connected to the front end of the plunger 5 fitted into the cylinder 3, and the liquid in the container is sucked into the cylinder 3 by the back and forth movement of the trigger, and the liquid in the cylinder is ejected from the front end of the injection cylinder 4 In the trigger type liquid ejection container
A vertical cylindrical cover 12 that covers the outer surface of the main cylinder 2a is erected from the rear part of the cap-shaped part 11 that is tightly fitted to the outer surface of the mounting cylinder 2 and the injection cylinder 4 from the upper end of the vertical cylindrical cover. A cover in which a horizontal cylindrical cover 13 covering the outer surface is projected forward, an engagement protrusion 14 is formed on the upper surface of the front end of the horizontal cylindrical cover, and a recess 15 is formed on the upper surface of the cap-shaped portion 11. Member 10 is provided,
A window portion in which the front end portion of the horizontal cylindrical cover can be loosely fitted to the front portion of the injection cylinder 4 at the top of the trigger by connecting the middle portion of the trigger 6 to the front end portion of the plunger 5 so as to be swingable in the front-rear and left-right directions. 19 and an engagement piece 20 protruding from the rear surface of the trigger portion above the window so that the engagement piece can be detached from the engagement protrusion 14 in the left-right direction and rotated in the front-rear direction. Engage movably,
The trigger 6 engages with the engagement protrusion 14 with the engagement piece 20, and a rear drawable position where the window 19 is located in front of the injection cylinder 4, and the trigger connecting portion is centered from the drawable position. The engagement piece 20 is engaged with the rear surface of the recess 15, and the lower portion of the trigger 6 has a rear unpullable position that closes the front end surface of the injection cylinder 4.
A trigger type liquid ejection container characterized by that.
JP05107799A 1999-02-26 1999-02-26 Trigger type liquid ejection container Expired - Fee Related JP3751461B2 (en)

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JP2000246155A JP2000246155A (en) 2000-09-12
JP3751461B2 true JP3751461B2 (en) 2006-03-01

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* Cited by examiner, † Cited by third party
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JPH0344292Y2 (en) * 1985-04-02 1991-09-18
JP3583246B2 (en) * 1996-11-20 2004-11-04 株式会社吉野工業所 Trigger type liquid ejector

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