JPH01109660U - - Google Patents
Info
- Publication number
- JPH01109660U JPH01109660U JP1988004636U JP463688U JPH01109660U JP H01109660 U JPH01109660 U JP H01109660U JP 1988004636 U JP1988004636 U JP 1988004636U JP 463688 U JP463688 U JP 463688U JP H01109660 U JPH01109660 U JP H01109660U
- Authority
- JP
- Japan
- Prior art keywords
- lip part
- seal lip
- seal
- reciprocating shaft
- sealing device
- 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
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Description
第１図は、本考案の密封装置の縦断面図、第２
図は、密封装置のバツクアツプリングの縦断面図
、第３図は、従来技術の密封装置の縦断面図、第
４図は、従来技術の密封装置の縦断面図である。
符号の説明、１…密封装置、２…リツプ先端、
３…シールリツプ部、４…嵌合部、５…ハウジン
グ、６…補強環、７…バツクアツプリング、８…
平行突起、９…オイルポケツト、１０…腰部、１
１…テーパ面、１２…段部。
Fig. 1 is a vertical sectional view of the sealing device of the present invention, Fig.
3 is a longitudinal sectional view of a back-up spring of a sealing device, FIG. 3 is a longitudinal sectional view of a conventional sealing device, and FIG. 4 is a longitudinal sectional view of a conventional sealing device. Explanation of symbols, 1... Sealing device, 2... Lip tip,
3... Seal lip part, 4... Fitting part, 5... Housing, 6... Reinforcement ring, 7... Backup spring, 8...
Parallel projection, 9...Oil pocket, 10...Waist, 1
1...Tapered surface, 12...Stepped portion.
Claims (1)
ルリツプ部と、シールリツプ部が加圧されたとき
にシールリツプ部を保持すべくシールリツプ部に
隣接して設けられたバツクアツプリングとからな
り、バツクアツプリングは、往復動軸に対向する
内周面に平行突起を有することを特徴とする密封
装置。 The back-up spring consists of a seal lip part whose lip tip contacts the reciprocating shaft to seal it, and a back-up spring provided adjacent to the seal lip part to hold the seal lip part when the seal lip part is pressurized. A sealing device characterized by having parallel protrusions on an inner circumferential surface facing a reciprocating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988004636U JPH01109660U (en) | 1988-01-20 | 1988-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988004636U JPH01109660U (en) | 1988-01-20 | 1988-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01109660U true JPH01109660U (en) | 1989-07-25 |
Family
ID=31207321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988004636U Pending JPH01109660U (en) | 1988-01-20 | 1988-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01109660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016512867A (en) * | 2013-03-15 | 2016-05-09 | フィッシャー コントロールズ インターナショナル リミテッド ライアビリティー カンパニー | Two-stage seal for valves |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5113659U (en) * | 1974-07-18 | 1976-01-31 |
-
1988
- 1988-01-20 JP JP1988004636U patent/JPH01109660U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5113659U (en) * | 1974-07-18 | 1976-01-31 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016512867A (en) * | 2013-03-15 | 2016-05-09 | フィッシャー コントロールズ インターナショナル リミテッド ライアビリティー カンパニー | Two-stage seal for valves |