JPH0298270U - - Google Patents
Info
- Publication number
- JPH0298270U JPH0298270U JP634989U JP634989U JPH0298270U JP H0298270 U JPH0298270 U JP H0298270U JP 634989 U JP634989 U JP 634989U JP 634989 U JP634989 U JP 634989U JP H0298270 U JPH0298270 U JP H0298270U
- Authority
- JP
- Japan
- Prior art keywords
- ring
- seal
- seat ring
- contact
- biasing member
- 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
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Mechanical Sealing (AREA)
Description
第１図は本考案によるメカニカルシールの実施
例を示す概略断面図、第２図は第１図に示すシー
トリングを示す概略拡大断面図、第３図は従来の
メカニカルシールを示す概略断面図である。
１，２１……ハウジング、２，２２……回転軸
、３，２３……カラー、４，２４……ばね（付勢
部材）、５，２５……コンプレツシヨンリング、
６，９，２６，２９……密封面、７，２７……シ
ールリング、８，２８……シールカバー（固定部
）、１０，３０……シートリング、１１，３１…
…緩衝リング、１２，３２……パツキン、１３…
…保護膜、ａ，ｂ１，ｂ２……部分。
Fig. 1 is a schematic sectional view showing an embodiment of the mechanical seal according to the present invention, Fig. 2 is a schematic enlarged sectional view showing the seat ring shown in Fig. 1, and Fig. 3 is a schematic sectional view showing a conventional mechanical seal. be. 1, 21... Housing, 2, 22... Rotating shaft, 3, 23... Collar, 4, 24... Spring (biasing member), 5, 25... Compression ring,
6, 9, 26, 29... Sealing surface, 7, 27... Seal ring, 8, 28... Seal cover (fixed part), 10, 30... Seat ring, 11, 31...
...Buffer ring, 12,32...Putskin, 13...
...Protective film, a, b 1 , b 2 ... portion.
Claims (1)
この付勢部材によつて軸線方向に付勢されるシー
ルリングと、前記回転軸が貫通した状態で固定部
に取付けられて、前記シールリングと当接するシ
ートリングとからなり、前記付勢部材が前記シー
ルリングを前記シートリングに押圧当接させ、こ
の時両端間を密封するようにしたメカニカルシー
ルにおいて、前記回転軸に面した前記シートリン
グの内周面およびその両縁部のうちの少なくとも
前記シールリング側の縁部を保護膜で覆つたこと
を特徴とするメカニカルシール。 a biasing member integrally attached to the rotating shaft; a seal ring biased in the axial direction by the biasing member; A mechanical seal comprising a seat ring in contact with the seat ring, wherein the urging member presses the seal ring into contact with the seat ring, and at this time seals between both ends. A mechanical seal characterized in that at least the edge on the seal ring side of the peripheral surface and both edges thereof is covered with a protective film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP634989U JPH0298270U (en) | 1989-01-23 | 1989-01-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP634989U JPH0298270U (en) | 1989-01-23 | 1989-01-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0298270U true JPH0298270U (en) | 1990-08-06 |
Family
ID=31210452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP634989U Pending JPH0298270U (en) | 1989-01-23 | 1989-01-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0298270U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4736760U (en) * | 1971-05-08 | 1972-12-23 |
-
1989
- 1989-01-23 JP JP634989U patent/JPH0298270U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4736760U (en) * | 1971-05-08 | 1972-12-23 |