JPH08178103A - Liquid-dripping preventive valve - Google Patents
Liquid-dripping preventive valveInfo
- Publication number
- JPH08178103A JPH08178103A JP31788194A JP31788194A JPH08178103A JP H08178103 A JPH08178103 A JP H08178103A JP 31788194 A JP31788194 A JP 31788194A JP 31788194 A JP31788194 A JP 31788194A JP H08178103 A JPH08178103 A JP H08178103A
- Authority
- JP
- Japan
- Prior art keywords
- ball
- force
- spring
- cylinder
- coating agent
- 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.)
- Withdrawn
Links
Landscapes
- Coating Apparatus (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、広範な技術分野で使用
されているボール弁、特に液垂れ防止弁に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ball valve used in a wide variety of technical fields, and more particularly to a liquid drop prevention valve.
【０００２】[0002]
【従来の技術】従来の液垂れ防止弁の構成を図２に示
す。塗布剤等が収容されたシリンダ１の下部に外筒２を
接続する。外筒２の上部に明けられたテーパ状の穴をボ
ール３により塞ぐが、ボール３がテーパ状の穴を塞ぐた
めに必要な力を、バネ４が与える。バネ４は、バネ受５
に設けられた中心軸５ａにかん合してガイドされる。バ
ネ受５は、ニードル６内でガイドされ、ニードル６の上
部は、外筒２の下部に接続する。2. Description of the Related Art The structure of a conventional liquid drop prevention valve is shown in FIG. The outer cylinder 2 is connected to the lower portion of the cylinder 1 containing the coating agent and the like. The tapered hole formed in the upper part of the outer cylinder 2 is closed by the ball 3, and the spring 4 gives a force necessary for the ball 3 to close the tapered hole. The spring 4 is a spring receiver 5
It is guided by engaging with the central shaft 5a provided on the. The spring receiver 5 is guided in the needle 6, and the upper portion of the needle 6 is connected to the lower portion of the outer cylinder 2.
【０００３】シリンダ１内の圧力を高くすると、塗布剤
を介してボール３に押し下げる力が作用し、この力が、
バネ４がボール３を押し上げる力より強くなると、外筒
２に明けられたテーパ状の穴を塞いでいたボール３が、
下方に移動するため、シリンダ１内の塗布剤は、外筒２
を通過してニードル６の穴から吐出する。When the pressure in the cylinder 1 is increased, a force for pushing down the ball 3 acts via the coating material, and this force is
When the spring 4 becomes stronger than the force that pushes up the ball 3, the ball 3 blocking the tapered hole formed in the outer cylinder 2 becomes
The coating agent in the cylinder 1 moves downward because it moves downward.
And is discharged from the hole of the needle 6.
【０００４】シリンダ１内の圧力が低くなり、塗布剤を
介してボール３を押し下げる力が、バネ４がボール３を
押し上げる力より弱くなると、ボール３は、上方に移動
して外筒２に明けられたテーパ状の穴を塞ぎ、塗布剤
は、吐出を停止する。When the pressure in the cylinder 1 becomes low and the force for pushing down the ball 3 via the coating material becomes weaker than the force for pushing up the ball 3 by the spring 4, the ball 3 moves upward and is exposed to the outer cylinder 2. The formed tapered hole is closed, and the coating material stops discharging.
【０００５】なお、従来のボール弁が記載された文献と
しては、特開平３−３３４７４号公報、特開昭６３−５
３３６７号公報及び実開昭６２−３２４０９号公報を挙
げることができる。Documents describing conventional ball valves include Japanese Patent Laid-Open Nos. 3-33474 and 63-5.
No. 3367 and Japanese Utility Model Laid-Open No. 62-32409 can be mentioned.
【０００６】[0006]
【発明が解決しようとする課題】従来の液垂れ防止弁
は、バネが直接ボールを押す構造を採用していたため、
バネとボールとの関係のいかんによっては、バネがボー
ルを押す力の強さとバネがボールを押す方向とが、変化
し易く、不安定であり、ボールが外筒のテーパ状の穴に
密着せずにすき間が生じることがあり、液垂れを十分に
は防止することができなかった。Since the conventional liquid drop prevention valve has a structure in which the spring directly pushes the ball,
Depending on the relationship between the spring and the ball, the strength of the force with which the spring pushes the ball and the direction in which the spring pushes the ball are liable to change and are unstable. However, a gap could occur without it, and it was not possible to sufficiently prevent dripping.
【０００７】そこで、本発明は、前記従来の液垂れ防止
弁の欠点を改良し、バネがボールを押す力の強さとバネ
がボールを押す方向とを、常に変化し難くし、安定性を
維持して、液垂れを十分に防止しようとするものであ
る。Therefore, the present invention improves the drawbacks of the above-mentioned conventional anti-drip valve, makes it difficult for the spring to constantly change the strength of the force pushing the ball and the direction in which the spring pushes the ball, and maintains the stability. Then, it is intended to sufficiently prevent dripping.
【０００８】[0008]
【課題を解決するための手段】本発明は、前記課題を解
決するため、次の手段を採用する。The present invention adopts the following means in order to solve the above problems.
【０００９】（１）筒に明けられたテーパ状の穴を塞ぐ
ボールと、このボールに前記テーパ状の穴を塞ぐために
必要な力を与えるバネとの間に、ボール受を介在設置す
るように構成する液垂れ防止弁。(1) A ball receiver is installed between a ball that closes a tapered hole formed in a cylinder and a spring that gives the ball a force necessary to close the tapered hole. Constituting liquid dripping valve.
【００１０】（２）前記ボール受の表面に前記ボールを
前記テーパ状の穴の中心に持ち来す凹部を設けるように
構成する前記（１）記載の液垂れ防止弁。(2) The anti-dripping valve according to the above (1), wherein a concave portion for bringing the ball to the center of the tapered hole is provided on the surface of the ball receiver.
【００１１】（３）前記ボール受の裏面に前記バネをか
ん合する中心棒を設けるように構成する前記（２）記載
の液垂れ防止弁。(3) The liquid dripping prevention valve according to (2), wherein a center rod for engaging the spring is provided on the back surface of the ball receiver.
【００１２】[0012]
【実施例】本発明の実施例について図面を参照して説明
する。Embodiments of the present invention will be described with reference to the drawings.
【００１３】本発明の一実施例を図１に示す。塗布剤等
が収容されたシリンダ１の下部に外筒２を接続する。外
筒２の上部に明けられたテーパ状の穴をボール３により
塞ぐが、ボール３がテーパ状の穴を塞ぐために必要な力
を、バネ４が与える。バネ４は、その下部がバネ受５に
設けられた中心軸５ａにかん合し、その上部がボール受
７に設けられた中心軸７ａにかん合し、バネ受５とボー
ル受７との間に介在設置される。ボール３と接触するボ
ール受７の表面には、球面形状の凹部７ｂが設けられて
いる。バネ受５は、ニードル６内でガイドされ、ニード
ル６の上部は、外筒２の下部に接続する。ボール受７
は、外筒２内でガイドされる。An embodiment of the present invention is shown in FIG. The outer cylinder 2 is connected to the lower portion of the cylinder 1 containing the coating agent and the like. The tapered hole formed in the upper part of the outer cylinder 2 is closed by the ball 3, and the spring 4 gives a force necessary for the ball 3 to close the tapered hole. The lower part of the spring 4 is engaged with the central shaft 5a provided on the spring receiver 5, and the upper part thereof is engaged with the central shaft 7a provided on the ball receiver 7, so that a space between the spring receiver 5 and the ball receiver 7 is Will be installed in the A spherical concave portion 7b is provided on the surface of the ball receiver 7 that contacts the ball 3. The spring receiver 5 is guided in the needle 6, and the upper portion of the needle 6 is connected to the lower portion of the outer cylinder 2. Ball receiver 7
Are guided in the outer cylinder 2.
【００１４】シリンダ１内の圧力を高くすると、塗布剤
を介してボール３に押し下げる力が作用し、この力が、
バネ４がボール３を押し上げる力より強くなると、外筒
２に明けられたテーパ状の穴を塞いでいたボール３が、
下方に移動するため、シリンダ１内の塗布剤は、外筒２
を通過してニードル６の穴から吐出する。When the pressure in the cylinder 1 is increased, a force for pushing down the ball 3 acts via the coating material, and this force is
When the spring 4 becomes stronger than the force that pushes up the ball 3, the ball 3 blocking the tapered hole formed in the outer cylinder 2 becomes
The coating agent in the cylinder 1 moves downward because it moves downward.
And is discharged from the hole of the needle 6.
【００１５】シリンダ１内の圧力が低くなり、塗布剤を
介してボール３を押し下げる力が、バネ４がボール受７
を介してボール３を押し上げる力より弱くなると、ボー
ル３は、上方に移動して外筒２に明けられたテーパ状の
穴を塞ぎ、塗布剤は、吐出を停止する。The pressure in the cylinder 1 becomes low, and the force of pushing down the ball 3 via the coating agent causes the spring 4 to receive the ball receiving 7
When it becomes weaker than the force that pushes up the ball 3 via the ball 3, the ball 3 moves upward to close the tapered hole opened in the outer cylinder 2, and the coating agent stops discharging.
【００１６】本実施例においては、ボール３とバネ４と
の間にボール受７を介在させたから、バネ４は、ボール
３を概して常に垂直上方に向かって一定の力で押すの
で、液垂れを十分に防止すめることができる。また、ボ
ール３と接触するボール受７の表面に、球面形状、テー
パ状等の凹部を設け、ボール３が凹部の中心に移動し易
い構造を採用すると、更に、ボール受７の下面に中心軸
７ａを設け、バネ４がボール受７の中心を押し上げる構
造を採用すると、液垂れを一層十分に防止することがで
きる。In the present embodiment, since the ball receiver 7 is interposed between the ball 3 and the spring 4, the spring 4 pushes the ball 3 generally vertically upward with a constant force, so that the liquid drips. It can be fully prevented. In addition, when a concave portion having a spherical shape, a tapered shape, or the like is provided on the surface of the ball receiver 7 that comes into contact with the ball 3 so that the ball 3 can easily move to the center of the concave portion, the lower surface of the ball receiver 7 is further provided with a central shaft If a structure is provided in which 7a is provided and the spring 4 pushes up the center of the ball receiver 7, it is possible to prevent liquid dripping more sufficiently.
【００１７】[0017]
【発明の効果】以上に説明した本発明によれば、筒に明
けられたテーパ状の穴を塞ぐボールと、このボールにテ
ーパ状の穴を塞ぐために必要な力を与えるバネとの間
に、ボール受を介在設置するから、バネは、ボールを概
して常にテーパ状の穴の中心に向かって一定の力で押す
ので、液垂れを十分に防止することができる。According to the present invention described above, between the ball that closes the tapered hole formed in the cylinder and the spring that gives the ball the force necessary to close the tapered hole, Since the ball receiver is installed in between, the spring generally pushes the ball with a constant force generally toward the center of the tapered hole, so that the liquid drop can be sufficiently prevented.
【図１】本発明の一実施例の断面図である。FIG. 1 is a sectional view of an embodiment of the present invention.
【図２】従来の液垂れ防止弁の一例の断面図である。FIG. 2 is a sectional view of an example of a conventional drooling prevention valve.
１ シリンダ ２ 外筒 ３ ボール ４ バネ ５ バネ受 ５ａ 中心棒 ６ ニードル ７ ボール受 ７ａ 中心棒 ７ｂ 球面形状の凹部 1 Cylinder 2 Outer Cylinder 3 Ball 4 Spring 5 Spring Receiver 5a Center Rod 6 Needle 7 Ball Receiver 7a Center Rod 7b Spherical Recess
Claims (3)
ルと、このボールに前記テーパ状の穴を塞ぐために必要
な力を与えるバネとの間に、ボール受を介在設置するよ
うに構成することを特徴とする液垂れ防止弁。1. A structure in which a ball receiver is installed between a ball that closes a tapered hole formed in a cylinder and a spring that applies a force necessary to close the tapered hole to the ball. Anti-dripping valve characterized by:
テーパ状の穴の中心に持ち来す凹部を設けるように構成
することを特徴とする請求項１記載の液垂れ防止弁。2. The anti-dripping valve according to claim 1, wherein a concave portion for bringing the ball to the center of the tapered hole is provided on the surface of the ball receiver.
する中心棒を設けるように構成することを特徴とする請
求項２記載の液垂れ防止弁。3. The liquid dripping prevention valve according to claim 2, wherein a center rod for engaging the spring is provided on the back surface of the ball receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31788194A JPH08178103A (en) | 1994-12-21 | 1994-12-21 | Liquid-dripping preventive valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31788194A JPH08178103A (en) | 1994-12-21 | 1994-12-21 | Liquid-dripping preventive valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08178103A true JPH08178103A (en) | 1996-07-12 |
Family
ID=18093101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31788194A Withdrawn JPH08178103A (en) | 1994-12-21 | 1994-12-21 | Liquid-dripping preventive valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08178103A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004331088A (en) * | 2003-04-30 | 2004-11-25 | Hoshizaki Electric Co Ltd | Mixed liquid spout head |
-
1994
- 1994-12-21 JP JP31788194A patent/JPH08178103A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004331088A (en) * | 2003-04-30 | 2004-11-25 | Hoshizaki Electric Co Ltd | Mixed liquid spout head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20020305 |