JPS628479U - - Google Patents
Info
- Publication number
- JPS628479U JPS628479U JP9981485U JP9981485U JPS628479U JP S628479 U JPS628479 U JP S628479U JP 9981485 U JP9981485 U JP 9981485U JP 9981485 U JP9981485 U JP 9981485U JP S628479 U JPS628479 U JP S628479U
- Authority
- JP
- Japan
- Prior art keywords
- gate
- closed
- operating
- stem
- packing
- 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
- 238000012856 packing Methods 0.000 claims description 5
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims 1
Landscapes
- Sliding Valves (AREA)
- Temperature-Responsive Valves (AREA)
Description
図面は本考案の実施例に係り、第１図は常温で
の要部拡大断面図、第２図は昇温時での要部拡大
断面図、第３図はゲートバルブの断面図、第４図
は同側面図、第５図は同底面図、第６図はシート
リング部分の拡大断面図、第７図は第６図のＡ―
Ａ線断面図、第８図は他の実施例に係る常温での
要部拡大断面図、第９図は同昇温時での要部拡大
断面図である。
１…ゲートバルブ、２…ボデイ、３…流路、１
２…ゲート、１８…ゲートステム、１９…熱可溶
性パツキン、２３…操作体、３７…押圧部材、３
８…耐熱性パツキン。
The drawings relate to an embodiment of the present invention, and FIG. 1 is an enlarged sectional view of the main part at room temperature, FIG. 2 is an enlarged sectional view of the main part at elevated temperature, FIG. 3 is a sectional view of the gate valve, and FIG. The figure is a side view of the same, Figure 5 is a bottom view of the same, Figure 6 is an enlarged sectional view of the seat ring portion, and Figure 7 is A-- of Figure 6.
A sectional view taken along line A, FIG. 8 is an enlarged sectional view of the main part at room temperature, and FIG. 9 is an enlarged sectional view of the main part at room temperature according to another embodiment. 1...Gate valve, 2...Body, 3...Flow path, 1
2...Gate, 18...Gate stem, 19...Thermofusible packing, 23...Operation body, 37...Press member, 3
8...Heat-resistant packing.
Claims (1)
２に内装されて流路３を開閉自在なゲート１２と
、該ゲート１２とボデイ２外部にある操作体２３
とに、操作体２３の操作によつてゲート１２を開
閉可能なように連動連結されるゲートステム１８
とを備え、ボデイ２とゲートステム１８との間隙
が熱可溶性パツキン１９により閉塞されているゲ
ートバルブ１において、ボデイ２とゲートステム
１８との間隙を、押圧されることによつて閉塞可
能な耐熱性パツキン３８と、該耐熱性パツキン３
８を高温時形状への復元力により押圧可能な形状
記憶合金製押圧部材３７とが設けられていること
を特徴とするゲートバルブ。 A body 2 through which a flow path 3 is passed, a gate 12 that is installed in the body 2 and can freely open and close the flow path 3, and an operating body 23 that is located outside the gate 12 and the body 2.
In addition, a gate stem 18 is interlocked and connected so that the gate 12 can be opened and closed by operating the operating body 23.
In the gate valve 1, the gap between the body 2 and the gate stem 18 is closed by a thermofusible packing 19, and the gap between the body 2 and the gate stem 18 can be closed by being pressed. The heat-resistant packing 38 and the heat-resistant packing 3
8 and a shape memory alloy pressing member 37 that can be pressed by a restoring force to a shape at high temperatures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9981485U JPS628479U (en) | 1985-06-28 | 1985-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9981485U JPS628479U (en) | 1985-06-28 | 1985-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS628479U true JPS628479U (en) | 1987-01-19 |
Family
ID=30969040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9981485U Pending JPS628479U (en) | 1985-06-28 | 1985-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS628479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0240191U (en) * | 1988-09-08 | 1990-03-19 |
-
1985
- 1985-06-28 JP JP9981485U patent/JPS628479U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0240191U (en) * | 1988-09-08 | 1990-03-19 |