JPS6357866U - - Google Patents
Info
- Publication number
- JPS6357866U JPS6357866U JP14949986U JP14949986U JPS6357866U JP S6357866 U JPS6357866 U JP S6357866U JP 14949986 U JP14949986 U JP 14949986U JP 14949986 U JP14949986 U JP 14949986U JP S6357866 U JPS6357866 U JP S6357866U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- hole
- flow path
- main body
- plane
- 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
- 238000007789 sealing Methods 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Sliding Valves (AREA)
Description
第１図は本考案の一実施例を示す仕切弁の縦断
面図、第２図は第１図の弁体および弁座を示す拡
大断面図、第３図は第２図の縦断面図、第４図は
山形の厚肉部分の例を示す斜視図、第５図は本考
案の第２の実施例を示す仕切弁の要部縦断面図、
第６図および第７図は弁体の貫通孔の例を示す断
面図、第８図は本考案の仕切弁の開度比とＣｖ値
の関係を示す図、第９図は本考案の第３の実施例
を示す仕切弁の縦断面図、第１０図は従来例を示
す仕切弁の縦断面図、第１１図は第１０図に示す
弁体および弁座が中間開度で使用されている状態
を示す断面図である。
１：本体、２：弁座、３：弁体、１１：上流路
、１２：下流路、１３：胴部、２１：弁座の座面
、２２：弁座の貫通孔、２３：弁体の厚肉部分、
３１：弁体の座面、３２：弁体の貫通孔。
FIG. 1 is a longitudinal sectional view of a gate valve showing an embodiment of the present invention, FIG. 2 is an enlarged sectional view showing the valve body and valve seat of FIG. 1, and FIG. 3 is a longitudinal sectional view of FIG. 2. FIG. 4 is a perspective view showing an example of a chevron-shaped thick walled portion, and FIG. 5 is a vertical cross-sectional view of a main part of a gate valve showing a second embodiment of the present invention.
FIGS. 6 and 7 are cross-sectional views showing examples of through holes in valve bodies, FIG. 8 is a view showing the relationship between the opening ratio and Cv value of the gate valve of the present invention, and FIG. 9 is a cross-sectional view showing an example of the through hole of the valve body. Fig. 10 is a longitudinal cross-sectional view of a gate valve showing a conventional example, and Fig. 11 shows a case in which the valve body and valve seat shown in Fig. 10 are used at an intermediate opening degree. FIG. 1: Main body, 2: Valve seat, 3: Valve body, 11: Upstream passage, 12: Downstream passage, 13: Body, 21: Seat surface of valve seat, 22: Through hole of valve seat, 23: Valve body thick part,
31: Seating surface of the valve body, 32: Through hole of the valve body.
Claims (1)
向する２個の平面弁座と、前記平面弁座に滑合す
る平行な面と、前記本体の流路に対応する貫通孔
とを有する板状の弁体とで構成し、前記弁体の貫
通孔と本体の流路とが完全に重なり合う弁の全開
状態から弁体の貫通孔が本体の流路と完全に遮断
される弁の全閉状態までの弁体の動きに対して、
上記平面弁座がつねに弁体の貫通孔を囲んで密封
接触するように形成した仕切弁において、上記弁
体および弁座の貫通孔を最大で下半分あるいは上
半分を埋めた形状としたことを特徴とする仕切弁
。 A plate-shaped plate having two parallel and opposing plane valve seats provided around the flow path of the main body, a parallel surface that slides onto the plane valve seats, and a through hole corresponding to the flow path of the main body. from a fully open state in which the through hole of the valve disc and the flow path in the main body completely overlap to a fully closed state in which the through hole in the valve disc is completely blocked from the flow path in the main body. For the movement of the valve body up to
In the gate valve in which the plane valve seat is formed so as to always surround and make sealing contact with the through hole of the valve body, the through hole of the valve body and the valve seat is shaped such that at most the lower half or the upper half thereof is filled. Features a gate valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14949986U JPS6357866U (en) | 1986-10-01 | 1986-10-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14949986U JPS6357866U (en) | 1986-10-01 | 1986-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6357866U true JPS6357866U (en) | 1988-04-18 |
Family
ID=31064764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14949986U Pending JPS6357866U (en) | 1986-10-01 | 1986-10-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6357866U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61184276A (en) * | 1985-02-12 | 1986-08-16 | Hitachi Metals Ltd | Sluice valve |
| JPH072523U (en) * | 1992-01-06 | 1995-01-13 | 秀信 目谷 | Buried snow melting machine |
-
1986
- 1986-10-01 JP JP14949986U patent/JPS6357866U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61184276A (en) * | 1985-02-12 | 1986-08-16 | Hitachi Metals Ltd | Sluice valve |
| JPH072523U (en) * | 1992-01-06 | 1995-01-13 | 秀信 目谷 | Buried snow melting machine |
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