JPH0744863Y2 - Wedge-in-wedge valve body position adjustment structure - Google Patents
Wedge-in-wedge valve body position adjustment structureInfo
- Publication number
- JPH0744863Y2 JPH0744863Y2 JP5487689U JP5487689U JPH0744863Y2 JP H0744863 Y2 JPH0744863 Y2 JP H0744863Y2 JP 5487689 U JP5487689 U JP 5487689U JP 5487689 U JP5487689 U JP 5487689U JP H0744863 Y2 JPH0744863 Y2 JP H0744863Y2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- wedge
- valve body
- valve box
- flow path
- 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.)
- Expired - Lifetime
Links
Landscapes
- Sliding Valves (AREA)
Description
【考案の詳細な説明】 産業上の利用分野 本考案は、ガス・石油ラインの遮断用バルブなどに用い
られるウェッジ・イン・ウェッジ弁の弁体位置調整構造
に関する。TECHNICAL FIELD The present invention relates to a valve body position adjusting structure of a wedge-in-wedge valve used for a shutoff valve of a gas / oil line.
従来の技術 従来のウェッジ・イン・ウェッジ弁は、たとえば第２図
に示すようなものであり、弁箱１に弁箱流路２を横切る
方向の開口部3,4が形成され、この開口部3,4にそれぞれ
配置した弁箱シート3a,4aの間に位置して、弁箱流路２
を全閉する位置と全開する位置とにわたって弁箱流路２
を横切る方向に出退する弁体５が設けられている。弁箱
１の底部には、底部開口６を覆ってボトムストッパー７
が着脱自在に設けられており、ボトムストッパー７の上
部は開口部3,4の縁部に位置して、弁体５の先端を受け
止めるようになっている。2. Description of the Related Art A conventional wedge-in-wedge valve is, for example, as shown in FIG. 2, in which an opening 3, 4 is formed in a valve box 1 in a direction crossing a valve box flow path 2. The valve box flow path 2 is located between the valve box seats 3a and 4a which are respectively arranged in 3 and 4.
The valve box flow path 2 between the position where the valve is fully closed and the position where it is fully opened.
There is provided a valve body 5 that moves back and forth in a direction crossing. The bottom of the valve box 1 covers the bottom opening 6 and has a bottom stopper 7
Is detachably provided, and the upper portion of the bottom stopper 7 is located at the edge of the openings 3 and 4 to receive the tip of the valve body 5.
弁体５は一対の弁板5aを相互に接近離間自在に設けてウ
ェッジ状に形成されており、両弁板5aの間に楔状の内部
ウェッジ８が配置されている。内部ウェッジ８は弁板5a
を内側面から押圧することにより両弁板5aを相互に離間
させる作用を行うものであり、この内部ウェッジ８を介
して弁体５が弁棒９に支持されている。The valve body 5 is formed in a wedge shape by providing a pair of valve plates 5a so that they can move toward and away from each other, and a wedge-shaped inner wedge 8 is arranged between both valve plates 5a. Inner wedge 8 is valve plate 5a
By pressing from the inner side surface, the valve plates 5a are separated from each other, and the valve body 5 is supported by the valve rod 9 via the internal wedge 8.
図示したように弁箱流路２を全閉するには、弁棒９によ
って弁体５を弁箱流路２を横切る方向に進入させる。す
ると、弁体５はその先端がボトムストッパー７に当接し
た時点で進入が停止され、次いで内部ウェッジ部８の楔
効果が生じて両弁板5aが相互に離間され、この弁板5a,5
bがそれぞれ弁箱シート3a,4aに押圧されて弁箱流路２を
全閉する。As shown in the figure, in order to fully close the valve box flow path 2, the valve body 5 is made to enter the valve box 5 in the direction crossing the valve box flow path 2 by the valve rod 9. Then, when the tip of the valve body 5 comes into contact with the bottom stopper 7, the entry is stopped, and then the wedge effect of the internal wedge portion 8 is generated to separate the two valve plates 5a from each other.
b is pressed by the valve box seats 3a and 4a, respectively, and the valve box flow path 2 is completely closed.
考案が解決しようとする課題 しかし、上記した構成においては、ボトムストッパー７
の位置によって弁体５の全閉位置が決定されてしまうの
で、高温流体を流通させたときに生じる部材の熱膨張や
ボトムストッパー４の摩耗などにより、弁箱シート3a,4
aと弁板5aとの間の気密性が損なわれたときに、弁体５
の全閉位置を調節することができない問題があった。However, in the above-mentioned configuration, the bottom stopper 7
Since the fully closed position of the valve body 5 is determined by the position of, the valve box seats 3a, 4 are caused by thermal expansion of the members and wear of the bottom stopper 4 which occur when a high temperature fluid is circulated.
When the airtightness between a and the valve plate 5a is impaired, the valve body 5
There was a problem that the fully closed position of could not be adjusted.
本考案は上記課題を解決するもので、弁箱シート3a,4a
と弁板5aの間の気密性が最適な状態となるように弁体の
全閉位置を調節することができるウェッジ・イン・ウェ
ッジ弁の弁体位置調節構造を提供することを目的とす
る。The present invention solves the above-mentioned problems, and the valve box seats 3a, 4a
An object of the present invention is to provide a valve body position adjusting structure of a wedge-in-wedge valve capable of adjusting the fully closed position of the valve body so that the airtightness between the valve plate and the valve plate 5a is optimal.
課題を解決するための手段 上記課題を解決するために本考案は、弁箱内の弁箱流路
を開閉する弁体が相互に接近離間自在に設けられて楔状
をなす一対の弁板で形成され、この弁体が弁箱の底部開
口を覆って着脱自在に設けられたボトムストッパーに当
接した状態で、弁板間に配置された楔状の内部ウェッジ
部により各弁板が弁箱流路の開口部に押圧されて弁箱流
路が全閉されるウェッジ・イン・ウェッジ弁において、
前記ボトムストッパーが、弁箱の底部開口を覆うボトム
カバー部と、このボトムカバーに着脱自在に設けられる
ストッパー部とに分割形成され、ボトムカバー部とスト
ッパー部の間に適当枚数のシムプレートが積み重ねて介
装された構造としたものである。Means for Solving the Problems In order to solve the above problems, the present invention provides a pair of wedge-shaped valve plates in which valve bodies for opening and closing a valve box flow path in a valve box are provided so as to be close to and away from each other. While the valve body covers the bottom opening of the valve box and is in contact with the bottom stopper that is detachably provided, each valve plate is moved by the wedge-shaped internal wedge part disposed between the valve plates. In the wedge-in-wedge valve, the valve box flow path is completely closed by being pressed by the opening of
The bottom stopper is divided into a bottom cover portion that covers the bottom opening of the valve box and a stopper portion that is detachably attached to the bottom cover, and an appropriate number of shim plates are stacked between the bottom cover portion and the stopper portion. It has a structure that is interposed.
作用 上記した構成により、弁体の先端がストッパー部に当接
した状態で内部ウェッジが弁体の両弁板を相互に離間さ
せ、それぞれの弁板が弁箱内に開口する弁箱流路の両開
口部に押圧されることによって弁箱流路が全閉される。
この状態において、弁箱流路を流通する流体の温度によ
って弁箱が膨張もしくは収縮すると、弁箱流路の両開口
部間の距離が変化し、弁板と開口部との距離が変化して
弁板と開口部の間の気密性が阻害される。このときに
は、ボトムカバー部とストッパー部との間に介装される
シムプレートの枚数を変更することによって弁体に当接
するストッパー部の高さ位置を調節する。このことによ
り、楔状をなした弁体と開口部との弁板面上の当接位置
を弁体の出退方向において変化させ、楔状の弁体と開口
部との面圧を調節して気密性を確保する。また、ストッ
パー部が摩耗したときには、シムプレートを増加させ、
弁体に当接するストッパー部の面レベルを初期状態に修
復する。Action With the above-described configuration, the inner wedge separates the two valve plates of the valve body from each other in the state where the tip of the valve body is in contact with the stopper portion, and each valve plate opens in the valve box. The valve box flow path is fully closed by being pressed by both openings.
In this state, when the valve box expands or contracts due to the temperature of the fluid flowing through the valve box flow path, the distance between both openings of the valve box flow path changes, and the distance between the valve plate and the opening changes. Airtightness between the valve plate and the opening is impeded. At this time, the height position of the stopper portion that contacts the valve body is adjusted by changing the number of shim plates that are interposed between the bottom cover portion and the stopper portion. As a result, the contact position between the wedge-shaped valve element and the opening on the valve plate surface is changed in the valve element withdrawal direction, and the surface pressure between the wedge-shaped valve element and the opening is adjusted to ensure airtightness. Secure the sex. If the stopper wears, increase the shim plate,
The surface level of the stopper portion that contacts the valve body is restored to the initial state.
実施例 以下本考案の一実施例を図面に基づいて説明する。弁箱
11の内部には弁箱流路12の両開口部に設けた弁箱シート
13,14の間に位置して弁体15が配置されており、この弁
体15は弁箱流路12を全閉する位置と全開する位置とにわ
たって弁箱流路12を横切る方向に出退自在に設けられて
いる。そして、弁体15は一対の弁板16を相互に接近離間
自在に抱き合わせてウェッジ状に形成されており、両弁
板16の間には内部ウェッジ17が抱き込まれている。この
内部ウェッジ17は弁体15の出退方向に適当距離移動自在
に設けられ、弁板16の内側面に形成された傾斜面を押圧
することにより弁板16を相互に離間させる作用をおこな
うものである。また、弁体15は内部ウェッジ17を介して
弁棒18に支持されている。そして、弁箱11の底部開口19
を覆ってボトムカバー部20が着脱自在に設けられてお
り、ボトムカバー部20には弁体15を弁体15の出退方向で
受け止めるストッパー部21がボトムカバー部20に着脱自
在に保持されている。さらに、ボトムカバー部20とスト
ッパー部21の間には複数のシームプレート22が積み重ね
て介在されている。Embodiment An embodiment of the present invention will be described below with reference to the drawings. Valve box
Inside the 11 is a valve box seat provided at both openings of the valve box flow path 12.
A valve body 15 is arranged between 13 and 14, and the valve body 15 moves back and forth across the valve box flow path 12 between a position where the valve box flow path 12 is fully closed and a position where it is fully opened. It is provided freely. The valve body 15 is formed into a wedge shape by tying together a pair of valve plates 16 so that they can move toward and away from each other, and an internal wedge 17 is held between the valve plates 16. This internal wedge 17 is provided so as to be movable in an appropriate direction in the moving direction of the valve body 15, and acts to separate the valve plates 16 from each other by pressing an inclined surface formed on the inner surface of the valve plate 16. Is. Further, the valve body 15 is supported by the valve rod 18 via the internal wedge 17. And the bottom opening 19 of the valve box 11
A bottom cover portion 20 is detachably provided so as to cover the bottom cover portion 20, and a stopper portion 21 that receives the valve body 15 in the moving direction of the valve body 15 is detachably held by the bottom cover portion 20. There is. Further, a plurality of seam plates 22 are stacked and interposed between the bottom cover portion 20 and the stopper portion 21.
以下、上記構成における作用について説明する。弁体15
の先端がストッパー部21に当接した状態で弁棒18をされ
に降下させて内部ウェッジ17の楔作用により弁体15の両
弁板16を相互に離間させ、弁板16をそれぞれの弁箱シー
ト13,14に押圧して弁箱流路12を全閉する。この状態に
おいて、弁箱流路12を流通する流体の温度によって弁箱
11が膨張もしくは収縮すると、弁箱流路12の両開口部に
設けた弁箱シート13,14の間の距離が変化し、弁板16と
弁箱シート13,14との距離が変化して弁箱シート13,14に
おける気密性が阻害される。このときには、ボトムカバ
ー部20とストッパー部21との間に介装されるシムプレー
ト22の枚数を変更することによって弁体15に当接するス
トッパー部21の高さ位置を調節する。このことにより、
楔状をなした弁体15と弁箱シート13,14との弁板16の面
上における当接位置を弁体15の出退方向において変化さ
せ、楔状の弁体15と弁箱シート13,14との面圧を調節し
て気密性を確保する。また、ストッパー部21が摩耗した
ときには、シムプレート22を増加させ、弁体15に当接す
るストッパー部21の面レベルを初期状態に修復する。The operation of the above configuration will be described below. Disc 15
With the tip of the valve abutting against the stopper portion 21, the valve rod 18 is lowered to a position where both valve plates 16 of the valve element 15 are separated from each other by the wedge action of the internal wedge 17, and the valve plates 16 are respectively separated from each other. By pressing the seats 13 and 14, the valve box flow path 12 is completely closed. In this state, depending on the temperature of the fluid flowing through the valve box flow path 12, the valve box
When 11 expands or contracts, the distance between the valve box seats 13 and 14 provided at both openings of the valve box flow path 12 changes, and the distance between the valve plate 16 and the valve box seats 13 and 14 changes. The airtightness of the valve box seats 13 and 14 is hindered. At this time, the height position of the stopper portion 21 that abuts on the valve body 15 is adjusted by changing the number of shim plates 22 interposed between the bottom cover portion 20 and the stopper portion 21. By this,
The contact position of the wedge-shaped valve body 15 and the valve box seats 13 and 14 on the surface of the valve plate 16 is changed in the moving direction of the valve body 15 so that the wedge-shaped valve body 15 and the valve box seats 13 and 14 are formed. Adjust the surface pressure with to ensure airtightness. When the stopper portion 21 is worn, the shim plate 22 is increased to restore the surface level of the stopper portion 21 that contacts the valve body 15 to the initial state.
考案の効果 以下述べたように本考案によれば、ボトムカバー部とス
トッパー部との間に介装されるシムプレートの枚数を変
更することによって弁体に当接するストッパー部の高さ
位置を調節することができ、このことにより、楔状をな
した弁体と開口部との弁板面上の当接位置を弁体の出退
方向において変化させ、楔状の弁体と開口部との面圧を
調節して気密性を確保することができる。また、ストッ
パー部が摩耗したときには、シムプレートを増加させ、
弁体に当接するストッパー部の面レベルを初期状態に修
復することができる。As described below, according to the present invention, by adjusting the number of shim plates interposed between the bottom cover portion and the stopper portion, the height position of the stopper portion that contacts the valve body can be adjusted. This makes it possible to change the contact position between the wedge-shaped valve body and the opening on the valve plate surface in the direction in which the valve body moves in and out, and to reduce the surface pressure between the wedge-shaped valve body and the opening. Can be adjusted to ensure airtightness. If the stopper wears, increase the shim plate,
It is possible to restore the surface level of the stopper portion that contacts the valve body to the initial state.
【図面の簡単な説明】 第１図は本考案の一実施例を示す全体構成図、第２図は
従来のウェッジ・イン・ウェッジ弁の全体構成図であ
る。 11…弁箱、12…弁箱流路、13,14…弁箱シート、15…弁
体、16…弁板、17…内部ウェッジ、20…ボトムカバー
部、21…ストッパー部、22…シムプレート。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall configuration diagram showing an embodiment of the present invention, and FIG. 2 is an overall configuration diagram of a conventional wedge-in-wedge valve. 11 ... Valve box, 12 ... Valve box flow path, 13,14 ... Valve box seat, 15 ... Valve body, 16 ... Valve plate, 17 ... Internal wedge, 20 ... Bottom cover part, 21 ... Stopper part, 22 ... Shim plate .
Claims (1)
接近離間自在に設けられて楔状をなす一対の弁板で形成
され、この弁体が弁箱の底部開口を覆って着脱自在に設
けられたボトムストッパーに当接した状態で、弁板間に
配置された楔状の内部ウェッジ部により各弁板が弁箱流
路の開口部に押圧されて弁箱流路が全閉されるウェッジ
・イン・ウェッジ弁において、前記ボトムストッパー
が、弁箱の底部開口を覆うボトムカバー部と、このボト
ムカバーに着脱自在に設けられるストッパー部とに分割
形成され、ボトムカバー部とストッパー部の間に適当枚
数のシムプレートが積み重ねて介装されたことを特徴と
するウェッジ・イン・ウェッジ弁の弁体位置調整構造。1. A valve body for opening and closing a valve box flow path in a valve box is formed of a pair of wedge-shaped valve plates provided so as to be able to approach and separate from each other, and the valve body covers a bottom opening of the valve box. In the state where the valve box is in contact with a bottom stopper that is detachably installed, each valve plate is pressed against the opening of the valve box flow path by the wedge-shaped internal wedge part arranged between the valve plates, and the valve box flow path is completely closed. In a wedge-in-wedge valve to be closed, the bottom stopper is divided into a bottom cover portion that covers the bottom opening of the valve box and a stopper portion that is detachably attached to the bottom cover. A valve body position adjusting structure for a wedge-in-wedge valve, in which an appropriate number of shim plates are stacked and interposed between the parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5487689U JPH0744863Y2 (en) | 1989-05-12 | 1989-05-12 | Wedge-in-wedge valve body position adjustment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5487689U JPH0744863Y2 (en) | 1989-05-12 | 1989-05-12 | Wedge-in-wedge valve body position adjustment structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02145363U JPH02145363U (en) | 1990-12-10 |
| JPH0744863Y2 true JPH0744863Y2 (en) | 1995-10-11 |
Family
ID=31577329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5487689U Expired - Lifetime JPH0744863Y2 (en) | 1989-05-12 | 1989-05-12 | Wedge-in-wedge valve body position adjustment structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0744863Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185148B (en) * | 2013-03-28 | 2015-08-26 | 北京欧特控制阀有限公司 | A kind of gate valve |
-
1989
- 1989-05-12 JP JP5487689U patent/JPH0744863Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02145363U (en) | 1990-12-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |