JPH0311179U - - Google Patents
Info
- Publication number
- JPH0311179U JPH0311179U JP7096589U JP7096589U JPH0311179U JP H0311179 U JPH0311179 U JP H0311179U JP 7096589 U JP7096589 U JP 7096589U JP 7096589 U JP7096589 U JP 7096589U JP H0311179 U JPH0311179 U JP H0311179U
- Authority
- JP
- Japan
- Prior art keywords
- spring
- seat
- valve body
- valve
- sliding
- 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 3
Landscapes
- Sliding Valves (AREA)
Description
第１図は本考案の一実施例を示す縦断正面図、
第２図は要部を拡大して示す半截断面図である。
１……弁箱、２……摺動弁体、５Ａ，５Ｂ……
弁箱シート、６……シートリング、７……シール
ボツクス、８……第１スプリング、９……シール
部材、１０……バツクアツプリング、１１……第
２スプリング。
FIG. 1 is a longitudinal sectional front view showing an embodiment of the present invention;
FIG. 2 is a half-cut sectional view showing an enlarged main part. 1...Valve box, 2...Sliding valve body, 5A, 5B...
Valve box seat, 6... Seat ring, 7... Seal box, 8... First spring, 9... Seal member, 10... Backup spring, 11... Second spring.
Claims (1)
１対のシートリングによつて抜け止めされた状態
で取付られている仕切弁のシール構造であつて、
前記１対のシートリングと前記弁箱シートとをそ
れぞれ前記摺動弁体に対する接離方向に摺動自在
にシールボツクスに収容し、前記シートリングが
前記摺動弁体と常時接触する状態で摺動弁体に近
接される方向に付勢する第１スプリングを設け、
前記弁箱シートがバツクアツプリングを介して摺
動弁体に近接する方向に付勢される第２のスプリ
ングを設けるとともに、前記弁箱シートの背面と
バツクアツプリングの間にシール部材を介設し、
バツクアツプリングの外周と該外周が対向するシ
ールボツクスの間にバツクアツプリングの軸方向
の移動を許容するシール部材が介設されているこ
とを特徴とする仕切弁のシール構造。 A sealing structure for a gate valve in which a pair of valve box seats that are in sliding contact with both surfaces of a sliding valve body are installed in a state where they are prevented from coming off by a pair of seat rings,
The pair of seat rings and the valve box seat are each housed in a seal box so as to be slidable in the direction toward and away from the sliding valve body, and the seat ring is slidably in constant contact with the sliding valve body. a first spring biased in a direction close to the valve body;
A second spring is provided that urges the valve box seat in a direction toward the sliding valve body via a back-up spring, and a sealing member is interposed between the back surface of the valve box seat and the back-up spring. death,
1. A seal structure for a gate valve, characterized in that a sealing member that allows movement of the back-up spring in the axial direction is interposed between the outer periphery of the back-up spring and a seal box facing the outer periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7096589U JPH0311179U (en) | 1989-06-16 | 1989-06-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7096589U JPH0311179U (en) | 1989-06-16 | 1989-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0311179U true JPH0311179U (en) | 1991-02-04 |
Family
ID=31607584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7096589U Pending JPH0311179U (en) | 1989-06-16 | 1989-06-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0311179U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5778721A (en) * | 1981-04-24 | 1982-05-17 | Tokyo Shibaura Electric Co | Pushbutton for pushbutton switch |
-
1989
- 1989-06-16 JP JP7096589U patent/JPH0311179U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5778721A (en) * | 1981-04-24 | 1982-05-17 | Tokyo Shibaura Electric Co | Pushbutton for pushbutton switch |