JPH03104583U - - Google Patents
Info
- Publication number
- JPH03104583U JPH03104583U JP1294790U JP1294790U JPH03104583U JP H03104583 U JPH03104583 U JP H03104583U JP 1294790 U JP1294790 U JP 1294790U JP 1294790 U JP1294790 U JP 1294790U JP H03104583 U JPH03104583 U JP H03104583U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- flow path
- valve seat
- valve body
- opening
- 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 2
Landscapes
- Fluid-Driven Valves (AREA)
- Details Of Valves (AREA)
Description
第１図は、本考案になる遮断弁の一実施例を示
す縦断面図、第２図は第１図の制御板を下方より
みた平面図、第３図は流路内における液体の圧力
状態を示す線図である。
１……弁本体、３……弁孔、４……弁座、５…
…弁体、２０……制御板、２０Ａ……下端部、２
０Ｂ……上端部、Ａ……弁体５による弁座４の閉
塞時における弁体５の弁座４との当接部、φＢ…
…制御板２０の外径、φＣ……弁孔３の直径。
Fig. 1 is a longitudinal sectional view showing an embodiment of the shutoff valve according to the present invention, Fig. 2 is a plan view of the control plate shown in Fig. 1 viewed from below, and Fig. 3 is the pressure state of the liquid in the flow path. FIG. 1... Valve body, 3... Valve hole, 4... Valve seat, 5...
... Valve body, 20 ... Control board, 20A ... Lower end, 2
0B...Top end, A...Abutting portion of the valve body 5 with the valve seat 4 when the valve seat 4 is closed by the valve body 5, φB...
...outer diameter of control board 20, φC...diameter of valve hole 3.
Claims (1)
に連なる弁座４を設け、流路２を弁座４にて上流
側流路２Ａと弁孔３を含む下流側流路２Ｂとに区
分するとともに弁座４に対向して該弁座の有効開
口面積を制御する弁体５を備えた遮断弁において
、 弁体５による弁座４の閉塞時における弁体５の
弁座４との当接部Ａより下流側の弁孔３に、外径
φＢが下流側の弁孔３の直径φＣよりわずかに小
径であつて、弁体５の開閉移動方向Ｄ−Ｄに沿う
とともに開閉移動方向Ｄ−Ｄに対して略直交する
方向Ｅ−Ｅにおいて、互いに略平行な間隙Ｓをも
つ板状の制御板２０を複数配置するとともに、前
記制御板を弁体５と同期的に移動させてなる遮断
弁。 前記制御板の側面を上流側流路２Ａを流れる
液体の主流れ方向Ｆに対して略直交して配置して
なる請求項第１項記載の遮断弁。[Claims for Utility Model Registration] A valve hole 3 is provided in the middle part of the flow path 2 passing through the valve body 1.
A valve seat 4 connected to the valve seat 4 is provided, and the flow path 2 is divided into an upstream flow path 2A and a downstream flow path 2B including the valve hole 3 by the valve seat 4, and the valve seat 4 is arranged opposite to the valve seat 4 to In a shut-off valve equipped with a valve body 5 that controls the opening area, an outer diameter of φB is slightly smaller than the diameter φC of the valve hole 3 on the downstream side, and in the direction EE along the opening/closing movement direction DD of the valve body 5 and substantially orthogonal to the opening/closing movement direction DD, A shutoff valve in which a plurality of plate-shaped control plates 20 are arranged with gaps S that are substantially parallel to each other, and the control plates are moved synchronously with the valve body 5. 2. The shutoff valve according to claim 1, wherein the side surface of the control plate is arranged substantially orthogonal to the main flow direction F of the liquid flowing through the upstream flow path 2A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1294790U JPH03104583U (en) | 1990-02-13 | 1990-02-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1294790U JPH03104583U (en) | 1990-02-13 | 1990-02-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03104583U true JPH03104583U (en) | 1991-10-30 |
Family
ID=31516390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1294790U Pending JPH03104583U (en) | 1990-02-13 | 1990-02-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03104583U (en) |
-
1990
- 1990-02-13 JP JP1294790U patent/JPH03104583U/ja active Pending
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