JPH0160999U - - Google Patents
Info
- Publication number
- JPH0160999U JPH0160999U JP15671887U JP15671887U JPH0160999U JP H0160999 U JPH0160999 U JP H0160999U JP 15671887 U JP15671887 U JP 15671887U JP 15671887 U JP15671887 U JP 15671887U JP H0160999 U JPH0160999 U JP H0160999U
- Authority
- JP
- Japan
- Prior art keywords
- sealing device
- stern tube
- seal
- tube shaft
- segment seal
- 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 description 6
- 230000013011 mating Effects 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 239000005871 repellent Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Description
第１図および第２図はそれぞれ本考案の実施例
に係る船尾管軸封装置の要部を示す断面図、第３
図は船尾管軸封装置の全体構造を示す半裁断面図
、第４図はセグメントシールの斜視図である。
１…船体、２…プロペラ軸、３…プロペラ、４
…船尾管軸封装置、５…ハウジング、６…環状凹
部、７，８，１０…セグメントシール、９，１１
…リツプシール、１２…圧縮空気供給孔、１３…
油戻り孔、１４…ドレン回収孔、１５…シールリ
ング、１６…ステツプ、１７…カバーリング、１
８…コンプレツシヨンスプリング、１９…ガータ
スプリング、２０…係合孔、２１，２２，２３…
メイテイングリング、２４…ノツクピン、２５…
スリーブライナ、２６，２７…圧力バランス溝、
２８，２９，３０，３１…表面層。
1 and 2 are sectional views showing the main parts of a stern tube shaft sealing device according to an embodiment of the present invention, and FIG.
The figure is a half-cut sectional view showing the overall structure of the stern tube shaft sealing device, and FIG. 4 is a perspective view of the segment seal. 1...Hull, 2...Propeller shaft, 3...Propeller, 4
... Stern tube shaft sealing device, 5 ... Housing, 6 ... Annular recess, 7, 8, 10 ... Segment seal, 9, 11
...Lip seal, 12...Compressed air supply hole, 13...
Oil return hole, 14...Drain recovery hole, 15...Seal ring, 16...Step, 17...Cover ring, 1
8... Compression spring, 19... Garter spring, 20... Engagement hole, 21, 22, 23...
Mating ring, 24... Knock pin, 25...
Sleeve liner, 26, 27...pressure balance groove,
28, 29, 30, 31... surface layer.
Claims (1)
ントシールを内挿し、前記環状凹部に送給する圧
縮空気を前記ハウジングの一部を構成するメイテ
イングリングと前記セグメントシールの接触シー
ル部を通過させて溢出させる構造を有する船尾管
軸封装置において、前記メイテイングリングとセ
グメントシールの少くとも一方の接触端面に絶縁
性または溌水性を備えた材料よりなる表面層を構
成したことを特徴とする船尾管軸封装置。 A segment seal is inserted into an annular recess formed on the inner periphery of the housing, and compressed air supplied to the annular recess passes through a contact seal portion between a mating ring that forms a part of the housing and the segment seal and overflows. A stern tube shaft sealing device having a structure in which a stern tube shaft sealing device is characterized in that a surface layer made of an insulating or water-repellent material is formed on at least one contact end surface of the mating ring and the segment seal. Sealing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15671887U JPH0160999U (en) | 1987-10-15 | 1987-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15671887U JPH0160999U (en) | 1987-10-15 | 1987-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0160999U true JPH0160999U (en) | 1989-04-18 |
Family
ID=31435508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15671887U Pending JPH0160999U (en) | 1987-10-15 | 1987-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0160999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019065868A (en) * | 2017-09-28 | 2019-04-25 | Nok株式会社 | Seal structure |
-
1987
- 1987-10-15 JP JP15671887U patent/JPH0160999U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019065868A (en) * | 2017-09-28 | 2019-04-25 | Nok株式会社 | Seal structure |