JPH01109666U - - Google Patents
Info
- Publication number
- JPH01109666U JPH01109666U JP456888U JP456888U JPH01109666U JP H01109666 U JPH01109666 U JP H01109666U JP 456888 U JP456888 U JP 456888U JP 456888 U JP456888 U JP 456888U JP H01109666 U JPH01109666 U JP H01109666U
- Authority
- JP
- Japan
- Prior art keywords
- air chamber
- annular groove
- air
- valve body
- valve
- 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 2
- 238000003466 welding Methods 0.000 claims 2
- 238000000926 separation method Methods 0.000 claims 1
Landscapes
- Taps Or Cocks (AREA)
Description
第１図はこの考案の一実施例におけるボール弁
の要部を示す縦断面図、第２図は同上ボール弁が
開状態の縦断面図、第３図は他の実施例における
ボール弁の要部を示す縦断面図である。
１……弁本体、２……弁体、３……弁座、４…
…環状溝、５……シールリング、６……上部空気
室、７……上部給排気口、８……下部空気室、９
……下部給排気口。
Fig. 1 is a vertical cross-sectional view showing the main parts of a ball valve in one embodiment of this invention, Fig. 2 is a longitudinal cross-sectional view of the same ball valve in the open state, and Fig. 3 is a main part of a ball valve in another embodiment. FIG. 1... Valve body, 2... Valve body, 3... Valve seat, 4...
...Annular groove, 5...Seal ring, 6...Upper air chamber, 7...Upper supply/exhaust port, 8...Lower air chamber, 9
...Lower supply and exhaust port.
Claims (1)
であるボール弁において、弁本体の流入側の弁座
を囲繞して設けた環状溝にシールリングを摺動自
在に挿嵌し、環状溝の内奥に圧接用圧力空気の空
気室と環状溝の外側側壁に離脱用圧力空気の空気
室を設け、該空気室に開口する給排気口を弁本体
に穿設したボール弁のシール装置。 ２ 空気輸送装置等における差圧を遮断する必要
のあるボール弁において、弁本体の流入側及び流
出側の弁座を囲繞して設けた環状溝にシールリン
グを摺動自在に挿嵌し、環状溝の内奥に圧接用圧
力空気の空気室と環状溝の外側側壁に離脱用圧力
空気の空気室を設け、該空気室に開口する給排気
口を弁本体に穿設したボール弁のシール装置。[Scope of Claim for Utility Model Registration] 1. In a ball valve that is required to shut off differential pressure in a pneumatic conveyance device, etc., a seal ring is slidably provided in an annular groove surrounding a valve seat on the inflow side of a valve body. An air chamber for pressurized air for pressure welding is provided in the inner depth of the annular groove, and an air chamber for pressurized air for release is provided on the outer side wall of the annular groove, and an air supply/exhaust port that opens into the air chamber is bored in the valve body. Ball valve sealing device. 2. In a ball valve that needs to shut off differential pressure in a pneumatic conveyance device, etc., a seal ring is slidably inserted into an annular groove surrounding the valve seats on the inlet and outlet sides of the valve body. A ball valve sealing device in which an air chamber for pressurized air for pressure welding is provided deep inside the groove and an air chamber for pressurized air for separation is provided on the outer side wall of the annular groove, and an air supply/exhaust port opening into the air chamber is bored in the valve body. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP456888U JPH01109666U (en) | 1988-01-18 | 1988-01-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP456888U JPH01109666U (en) | 1988-01-18 | 1988-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01109666U true JPH01109666U (en) | 1989-07-25 |
Family
ID=31207196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP456888U Pending JPH01109666U (en) | 1988-01-18 | 1988-01-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01109666U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814413A (en) * | 1994-06-24 | 1996-01-16 | Taimei Kinzoku Kogyo Kk | Seal device of valve |
| JP2016023798A (en) * | 2014-07-24 | 2016-02-08 | 日電工業株式会社 | Ball valve |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60260774A (en) * | 1984-04-10 | 1985-12-23 | エム アンド デイ− バルブス リミテツド | Ball valve |
-
1988
- 1988-01-18 JP JP456888U patent/JPH01109666U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60260774A (en) * | 1984-04-10 | 1985-12-23 | エム アンド デイ− バルブス リミテツド | Ball valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814413A (en) * | 1994-06-24 | 1996-01-16 | Taimei Kinzoku Kogyo Kk | Seal device of valve |
| JP2016023798A (en) * | 2014-07-24 | 2016-02-08 | 日電工業株式会社 | Ball valve |