JPH1071349A - Liquid ejector made from synthetic resin - Google Patents
Liquid ejector made from synthetic resinInfo
- Publication number
- JPH1071349A JPH1071349A JP8248916A JP24891696A JPH1071349A JP H1071349 A JPH1071349 A JP H1071349A JP 8248916 A JP8248916 A JP 8248916A JP 24891696 A JP24891696 A JP 24891696A JP H1071349 A JPH1071349 A JP H1071349A
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- stem
- cylindrical portion
- synthetic resin
- liquid ejector
- 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
Landscapes
- Closures For Containers (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ヘッド押下げ式の
合成樹脂製液体吐出器に係る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a head-down type liquid ejector made of synthetic resin.
【０００２】[0002]
【発明が解決しようとする課題】従来、この種ヘッド押
下げ式の液体吐出器は、ノズル付き押下げヘッド、ステ
ム、筒状ピストンで形成された作動部材を圧縮コイルバ
ネの弾性に抗して押下げることで、シリンダ内液体をノ
ズルから吐出させ、かつその押下げを解放することで、
容器体内液体をシリンダ内へ吸上げるよう形成され、そ
の圧縮コイルバネは金属で形成されている。Heretofore, this type of head push-down type liquid ejector pushes an operating member formed by a push-down head with a nozzle, a stem and a cylindrical piston against the elasticity of a compression coil spring. By lowering, the liquid in the cylinder is discharged from the nozzle, and by releasing the depression,
The compression coil spring is formed to suck up the liquid in the container into the cylinder, and the compression coil spring is formed of metal.
【０００３】ところで、近時、資源を再利用するため、
また廃棄物を処理する都合上から、廃棄物を金属、合成
樹脂、或いは硝子等に分別して収集することが行われて
いるが、従来の液体吐出器では、金属製の圧縮コイルバ
ネを取り外すことが不能ないし困難であるため、分別収
集に適さない不都合があった。By the way, recently, in order to reuse resources,
In addition, waste is separated and collected into metal, synthetic resin, glass, etc. for convenience of disposal.However, with a conventional liquid ejector, it is necessary to remove a metal compression coil spring. Because it was impossible or difficult, there was an inconvenience that was not suitable for separate collection.
【０００４】本発明は、金属製の圧縮コイルバネに代え
て、合成樹脂製の弾性体で作動部材を上方付勢するよう
形成することで、分別収集に対応できるよう設けた。ま
た、シリンダの上端部内面にステム案内用の筒部を嵌合
させることで、液体を円滑に吐出できるよう設けた。According to the present invention, the operating member is biased upward by an elastic member made of a synthetic resin instead of a metal compression coil spring, so that it is provided so as to cope with sorted collection. In addition, by fitting a cylindrical portion for guiding the stem to the inner surface of the upper end of the cylinder, the liquid is provided so that the liquid can be discharged smoothly.
【０００５】[0005]
【課題を解決するための手段】第１の手段として、容器
体口頸部嵌合用の装着筒から外向きフランジを介してシ
リンダを垂下し、該シリンダ内から、ステム下端に筒状
ピストンを、かつステム上端にノズル付きヘッドを、そ
れぞれ有する作動部材を上方付勢させて起立する液体吐
出器において、上記シリンダ３上部の外向きフランジ２
上面から短筒部15を起立すると共に、上記ステム４の上
部外面から弾性屈曲可能に設けた筒状部13を下外方へ突
出し、かつ該筒状部下端に取付け筒部14を付設して、該
筒部を上記短筒部15に嵌着させることで、上記筒状部13
により上記作動部材７を上方付勢させ、また、上記ステ
ム４と筒状部13と取付け筒部14とを共に合成樹脂材で一
体成形させた。As a first means, a cylinder is suspended from a mounting cylinder for fitting the mouth and neck of a container body through an outward flange, and a cylindrical piston is provided from the inside of the cylinder to the lower end of a stem. In a liquid ejector which is erected by urging an operating member having a nozzle with a nozzle at the upper end of the stem upward, an outward flange 2 above the cylinder 3 is provided.
A short cylindrical portion 15 is erected from the upper surface, and a cylindrical portion 13 elastically bendable is protruded downward and outward from an upper outer surface of the stem 4, and a mounting cylindrical portion 14 is attached to a lower end of the cylindrical portion. By fitting the tubular portion to the short tubular portion 15, the tubular portion 13
As a result, the operating member 7 is urged upward, and the stem 4, the tubular portion 13, and the mounting tubular portion 14 are integrally formed of a synthetic resin material.
【０００６】第２の手段として、上記第１の手段を有す
ると共に、シリンダ３の上端部内面にステム案内筒22を
嵌合させた。As a second means, the first means is provided, and a stem guide cylinder 22 is fitted to the inner surface of the upper end of the cylinder 3.
【０００７】[0007]
【発明の実施の形態】先ず、図１ないし図３が示す第１
実施形態の概略を説明すると、本実施形態の液体吐出器
は、容器体口頸部螺合用の装着筒１の中間部内面から外
向きフランジ２を介してシリンダ３を垂下すると共に、
該シリンダ内から、ステム４下端に筒状ピストン５を、
かつステム４上端にノズル付きヘッド６を、それぞれ有
する作動部材７を上方付勢させて起立し、また、シリン
ダ３の底部に吸込み弁８を設け、更に吸上げパイプ９を
シリンダ３の下端から垂下している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, FIG.
To explain the outline of the embodiment, the liquid ejector of the present embodiment hangs the cylinder 3 from the inner surface of the middle part of the mounting cylinder 1 for screwing the mouth and neck of the container via the outward flange 2,
From inside the cylinder, a cylindrical piston 5 is attached to the lower end of the stem 4.
An operating member 7 having a head 6 with a nozzle at the upper end of the stem 4 is urged upward to erected, and a suction valve 8 is provided at the bottom of the cylinder 3, and a suction pipe 9 is further suspended from the lower end of the cylinder 3. doing.
【０００８】上記ステム４は、外筒11と内体17とで形成
され、外筒11は、筒壁上部を小内径に、かつ下部を大内
径に、またそれ等上下両部間の筒壁部分を中内径とし
て、該中内径部の上部内面に複数の縦突条12を付設して
いる。また、中内径部の中間部外面からは、下外方へ弾
性屈曲可能に設けた下方大径テ−パ状の筒状部13を突出
し、かつ該筒状部の下端に付設した取付け筒部14を、上
記シリンダ３上部の外向きフランジ２上面内周部から起
立する短筒部15の外面に凹凸の嵌合手段で嵌着させるこ
とで、上記筒状部13により作動部材７を上方へ付勢さ
せ、図１が示す状態から図３が示すように、ヘッド６を
筒状部13の弾性に抗して押下げ、かつ該状態からヘッド
６を解放すると、筒状部13が弾性復元して作動部材７を
押し上げるよう形成している。また、上記外筒11、筒状
部13および取付け筒部14は、軟質樹脂材により一体成形
する。The stem 4 is formed of an outer cylinder 11 and an inner body 17, and the outer cylinder 11 has an upper portion having a small inner diameter and a lower portion having a large inner diameter. The portion has a medium inner diameter, and a plurality of vertical ridges 12 are provided on the upper inner surface of the medium inner diameter portion. Further, from the outer surface of the middle part of the middle inner diameter part, a lower large-diameter tapered cylindrical part 13 protruded downward and elastically is protruded, and a mounting cylindrical part attached to the lower end of the cylindrical part. 14 is fitted to the outer surface of the short cylindrical portion 15 rising from the inner peripheral portion of the upper surface of the outward flange 2 at the upper portion of the cylinder 3 by an uneven fitting means. When the head 6 is pressed down from the state shown in FIG. 1 as shown in FIG. 3 against the elasticity of the cylindrical portion 13 and the head 6 is released from this state, the cylindrical portion 13 is restored to its elasticity. Then, the operating member 7 is pushed up. The outer cylinder 11, the cylindrical portion 13, and the mounting cylindrical portion 14 are integrally formed of a soft resin material.
【０００９】内体17は、棒状の本体部18下端に外向きフ
ランジ状壁を介して筒部19を付設し、かつその本体部18
の上部を上記外筒11の中内径部内面へ嵌合させてその上
端面外周部を上記縦突条12の下面へ当接させている。ま
た、本体部18の外面には液体流通用の縦溝20を複数穿設
し、図１が示す状態からヘッド６を押下げると、図３が
示すように、本体部18の下部外面に一定範囲で上下摺動
可能に嵌合させた筒状ピストン５が本体部18に対して相
対的に上昇して、それ等縦溝20とシリンダ３が連通し、
ヘッド押下げで加圧されたシリンダ３内の液体をノズル
から吐出させるよう形成している。The inner body 17 has a cylindrical portion 19 attached to the lower end of a rod-shaped main body 18 via an outward flange-like wall.
Of the outer cylinder 11 is fitted to the inner surface of the inner diameter portion, and the outer peripheral portion of the upper end surface is brought into contact with the lower surface of the vertical ridge 12. Further, a plurality of vertical grooves 20 for liquid distribution are formed in the outer surface of the main body 18 and when the head 6 is pressed down from the state shown in FIG. 1, as shown in FIG. The cylindrical piston 5 fitted to be vertically slidable in the range rises relatively to the main body portion 18, and the vertical groove 20 and the cylinder 3 communicate with each other.
The liquid in the cylinder 3 pressurized by the head pressing is discharged from the nozzle.
【００１０】上記本体部18は、図４が示す第２実施形態
のように、上面開口の筒状として筒壁下部に透孔21を穿
設し、ヘッド６を押下げると、本体部18に対して筒状ピ
ストン５が相対的に上昇することで、本体部18とシリン
ダ３がその透孔21を介して連通するよう形成してもよ
い。As shown in FIG. 4, the main body 18 is formed in a cylindrical shape with an upper surface opening, and a through hole 21 is formed in the lower part of the cylinder wall. On the other hand, when the cylindrical piston 5 is relatively raised, the main body 18 and the cylinder 3 may be formed to communicate with each other through the through hole 21.
【００１１】上記シリンダ３の上部内面には、ステム案
内筒22の外面を嵌合させると共に、該筒上端の外向きフ
ランジ状壁23下面をシリンダ３の筒壁上端面へ係合さ
せ、かつ当該ステム案内筒の内面に上記外筒11の下部外
面を上下摺動可能に嵌合させている。このステム案内筒
は、筒状ピストン５のストッパーを兼用し、図１が示す
ように、筒状ピストン５の上限位置を定めている。An outer surface of a stem guide cylinder 22 is fitted to an upper inner surface of the cylinder 3, and a lower surface of an outwardly facing flange-shaped wall 23 at an upper end of the cylinder is engaged with an upper end surface of the cylinder wall of the cylinder 3. The lower outer surface of the outer cylinder 11 is fitted to the inner surface of the stem guide cylinder so as to be vertically slidable. The stem guide cylinder also serves as a stopper for the cylindrical piston 5, and determines the upper limit position of the cylindrical piston 5 as shown in FIG.
【００１２】尚既述シリンダ３の上部と短筒部15の下部
とにはそれぞれ小透孔3a, 15a を穿設して、ヘッド６を
介して作動部材７を押下げたとき、それ等小透孔を通っ
て外気が容器体内へ入り、液体吐出による容器体内の負
圧化を解消するよう設けている。The upper portion of the cylinder 3 and the lower portion of the short cylindrical portion 15 are provided with small through holes 3a and 15a, respectively, so that when the operating member 7 is pushed down through the head 6, the small through holes are formed. It is provided so that outside air enters the container through the through-hole, and negative pressure in the container due to liquid discharge is eliminated.
【００１３】図示の各実施形態では、ステム４を外筒11
と内体17とにより形成したが、ステム４の上部外面から
作動部材７を上方付勢する筒状部18を下外方に突出して
あれば、外筒11と内体17とでステム４を形成することを
要しない。また、装着筒１，筒状ピストン５, ノズル付
きヘッド６, 吸込み弁８等は、図示例に限定されず、他
の公知の構造としてもよい。尚上記各部材は合成樹脂材
により成形する。In the illustrated embodiments, the stem 4 is connected to the outer cylinder 11.
And the inner body 17. If the cylindrical portion 18 for urging the operating member 7 upward projects downward and outward from the upper outer surface of the stem 4, the stem 4 is It does not need to be formed. Further, the mounting cylinder 1, the cylindrical piston 5, the head 6 with the nozzle, the suction valve 8, and the like are not limited to the illustrated example, and may have another known structure. Each of the above members is formed of a synthetic resin material.
【００１４】[0014]
【発明の効果】本発明は上記構成とするものであり、請
求項１記載の発明の場合は、ステム４の上部外面から弾
性屈曲可能に設けた筒状部13を下外方へ突出し、かつ該
筒状部下端に付設した取付け筒部14を、シリンダ３上部
の外向きフランジ２上面から起立する短筒部15に嵌着さ
せることで、筒状部13により作動部材７を上方付勢させ
たから、つまり金属製の圧縮コイルバネに代えて筒状部
13で作動部材７を上方付勢するよう形成したから、液体
吐出器を構成する総ての部材を合成樹脂材で形成するこ
とができ、よって、分別廃棄の要請に容易に対応するこ
とができ、また、筒状部23と取付け筒部14はステム４と
共に一体成形するので、構造が複雑となることが回避さ
れて容易に製作できる。According to the present invention having the above construction, in the case of the first aspect of the present invention, a tubular portion 13 provided to be elastically bendable from the upper outer surface of the stem 4 projects downward and outward, and The operating member 7 is urged upward by the cylindrical portion 13 by fitting the mounting cylindrical portion 14 attached to the lower end of the cylindrical portion to the short cylindrical portion 15 rising from the upper surface of the outward flange 2 above the cylinder 3. Therefore, instead of a metal compression coil spring,
Since the actuating member 7 is formed to urge upward in 13, all members constituting the liquid ejector can be formed of a synthetic resin material, so that it is possible to easily respond to a request for separation and disposal. Further, since the cylindrical portion 23 and the mounting cylindrical portion 14 are integrally formed together with the stem 4, the structure can be prevented from becoming complicated, and the device can be easily manufactured.
【００１５】請求項２記載の発明の場合は、請求項１の
効果と共に、シリンダ３の上端部内面にステム案内筒22
を嵌合させたから、該ステム案内筒によってステム４を
支持することができ、よって、ヘッド６を押下げる際
に、ヘッドが左右ないし前後にぐらつくことを防止でき
る。In the case of the second aspect of the invention, together with the effect of the first aspect, the stem guide cylinder 22
Is fitted, the stem 4 can be supported by the stem guide tube, so that when the head 6 is pushed down, the head can be prevented from wobbling left and right or back and forth.
【図１】 本発明吐出器の第１実施形態を示す半断面図
である。FIG. 1 is a half sectional view showing a first embodiment of a discharger of the present invention.
【図２】 同実施形態を、ヘッドおよび吸上げパイプを
取り除いた状態で示す半断面図である。FIG. 2 is a half sectional view showing the same embodiment with a head and a suction pipe removed.
【図３】 同実施形態を、ヘッドを押下げた状態で示す
半断面図である。FIG. 3 is a half sectional view showing the same embodiment in a state where a head is pushed down.
【図４】 本発明吐出器の第２実施形態を示す半断面図
である。FIG. 4 is a half sectional view showing a second embodiment of the discharger of the present invention.
13…筒状部 22…ステム案内筒 13 ... cylindrical part 22 ... stem guide cylinder
Claims (2)
フランジを介してシリンダを垂下し、該シリンダ内か
ら、ステム下端に筒状ピストンを、かつステム上端にノ
ズル付きヘッドを、それぞれ有する作動部材を上方付勢
させて起立する液体吐出器において、 上記シリンダ３上部の外向きフランジ２上面から短筒部
15を起立すると共に、上記ステム４の上部外面から弾性
屈曲可能に設けた筒状部13を下外方へ突出し、かつ該筒
状部下端に取付け筒部14を付設して、該筒部を上記短筒
部15に嵌着させることで、上記筒状部13により上記作動
部材７を上方付勢させ、また、上記ステム４と筒状部13
と取付け筒部14とを共に合成樹脂材で一体成形させたこ
と特徴とする合成樹脂製液体吐出器。1. A cylinder is hung from an installation cylinder for fitting the mouth and neck of a container via an outward flange, and a cylindrical piston is provided at the lower end of a stem and a head with a nozzle is provided at an upper end of the stem. A liquid ejector that is erected by urging the operating member upward, comprising:
At the same time, the cylindrical portion 13 provided elastically bendable from the upper outer surface of the stem 4 protrudes downward and outward, and a mounting cylindrical portion 14 is attached to the lower end of the cylindrical portion, and the cylindrical portion is By being fitted to the short cylindrical portion 15, the operating member 7 is urged upward by the cylindrical portion 13, and the stem 4 and the cylindrical portion 13 are urged upward.
A liquid ejector made of synthetic resin, characterized in that the synthetic resin material and the mounting cylinder portion (14) are integrally formed.
22を嵌合させたことを特徴とする請求項１記載の合成樹
脂製液体吐出器。2. A stem guide cylinder is provided on the inner surface of the upper end of the cylinder 3.
2. A liquid ejector made of synthetic resin according to claim 1, wherein said liquid ejector is fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24891696A JP3634087B2 (en) | 1996-08-30 | 1996-08-30 | Synthetic resin dispenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24891696A JP3634087B2 (en) | 1996-08-30 | 1996-08-30 | Synthetic resin dispenser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1071349A true JPH1071349A (en) | 1998-03-17 |
| JP3634087B2 JP3634087B2 (en) | 2005-03-30 |
Family
ID=17185339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24891696A Expired - Fee Related JP3634087B2 (en) | 1996-08-30 | 1996-08-30 | Synthetic resin dispenser |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3634087B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022181775A1 (en) * | 2021-02-26 | 2022-09-01 | 株式会社吉野工業所 | Discharge device |
-
1996
- 1996-08-30 JP JP24891696A patent/JP3634087B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022181775A1 (en) * | 2021-02-26 | 2022-09-01 | 株式会社吉野工業所 | Discharge device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3634087B2 (en) | 2005-03-30 |
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