JPH0272868U - - Google Patents
Info
- Publication number
- JPH0272868U JPH0272868U JP15256188U JP15256188U JPH0272868U JP H0272868 U JPH0272868 U JP H0272868U JP 15256188 U JP15256188 U JP 15256188U JP 15256188 U JP15256188 U JP 15256188U JP H0272868 U JPH0272868 U JP H0272868U
- Authority
- JP
- Japan
- Prior art keywords
- ring
- outer periphery
- mechanical seal
- main mechanical
- shaft
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 2
Landscapes
- Mechanical Sealing (AREA)
- Sealing Devices (AREA)
Description
第１図は本考案の第１実施例を示すシール装置
の半裁断面図、第２図は第２の実施例を示すシー
ル装置の半裁断面図である。
１……軸、３……ハウジング、５……主メカニ
カルシール、１５……緊急用シール、１７……ス
リーブカラ（リング）、１９……ラビリンスリン
グ、２１……Ｏリング、２３……ラビリンス溝。
FIG. 1 is a half-cut sectional view of a sealing device showing a first embodiment of the present invention, and FIG. 2 is a half-cutting sectional view of a sealing device showing a second embodiment. 1... Shaft, 3... Housing, 5... Main mechanical seal, 15... Emergency seal, 17... Sleeve collar (ring), 19... Labyrinth ring, 21... O-ring, 23... Labyrinth groove .
Claims (1)
通配置された軸の外周に配置された回転環と、こ
の回転環に当接配置された固定環とを備え、これ
ら回転環および固定環を圧接状態で摺動させて液
膜を形成し、該液膜により潤滑状態を保持しつつ
漏洩防止をなす主メカニカルシールと、 この主メカニカルシールの大気側であつて上記
軸の外周に配置されたリングと、このリングの上
記主メカニカルシール側の軸の外周に配置され、
通常時は上記リングとの間に隙間を存した状態で
位置し、上記主メカニカルシールから漏洩が発生
した場合にその漏洩した内部流体の圧力により上
記リング方向に摺動せられリングに当接してシー
ル機能をなすラビリンスリングとを備えた緊急用
シールと、 を具備したことを特徴とするシール装置。[Claims for Utility Model Registration] A rotary ring disposed around the outer periphery of a shaft that rotatably penetrates a housing that accommodates a pressurized fluid, and a fixed ring disposed in contact with the rotary ring; A main mechanical seal that forms a liquid film by sliding the ring and the fixed ring under pressure, and the liquid film maintains a lubricated state and prevents leakage; a ring placed on the outer periphery, and a ring placed on the outer periphery of the shaft on the main mechanical seal side of this ring,
Normally, it is located with a gap between it and the ring, and when a leak occurs from the main mechanical seal, the pressure of the leaked internal fluid causes it to slide in the direction of the ring and come into contact with the ring. A sealing device comprising: an emergency seal having a labyrinth ring having a sealing function;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988152561U JPH0615170Y2 (en) | 1988-11-25 | 1988-11-25 | Sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988152561U JPH0615170Y2 (en) | 1988-11-25 | 1988-11-25 | Sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0272868U true JPH0272868U (en) | 1990-06-04 |
| JPH0615170Y2 JPH0615170Y2 (en) | 1994-04-20 |
Family
ID=31427601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988152561U Expired - Lifetime JPH0615170Y2 (en) | 1988-11-25 | 1988-11-25 | Sealing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0615170Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH058133U (en) * | 1991-07-17 | 1993-02-05 | 神鋼パンテツク株式会社 | Seal structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4923487A (en) * | 1972-06-26 | 1974-03-01 | ||
| JPS5336673A (en) * | 1977-04-08 | 1978-04-05 | Matsushita Electric Works Ltd | Light receiver for photoelectric relay |
-
1988
- 1988-11-25 JP JP1988152561U patent/JPH0615170Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4923487A (en) * | 1972-06-26 | 1974-03-01 | ||
| JPS5336673A (en) * | 1977-04-08 | 1978-04-05 | Matsushita Electric Works Ltd | Light receiver for photoelectric relay |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH058133U (en) * | 1991-07-17 | 1993-02-05 | 神鋼パンテツク株式会社 | Seal structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0615170Y2 (en) | 1994-04-20 |
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