JPH0259364U - - Google Patents
Info
- Publication number
- JPH0259364U JPH0259364U JP1988139030U JP13903088U JPH0259364U JP H0259364 U JPH0259364 U JP H0259364U JP 1988139030 U JP1988139030 U JP 1988139030U JP 13903088 U JP13903088 U JP 13903088U JP H0259364 U JPH0259364 U JP H0259364U
- Authority
- JP
- Japan
- Prior art keywords
- spring
- sealing device
- seal
- sealed
- liquid
- 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 9
- 229920002545 silicone oil Polymers 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 239000002184 metal Substances 0.000 description 1
- 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、本考案の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
図である。
符号の説明、１…密封装置、２ａ…ハウジング
、２…密封装置本体、３…シールリツプ部、４…
リツプ先端、６…軸、７…ばね、８…金属補強環
、９…バツクアツプリング、１０…シリコンオイ
ル。
Fig. 1 is a vertical sectional view of the sealing device of the present invention, Fig.
The figure is a longitudinal sectional view of the back-up spring of the sealing device of the present invention, and FIG. 3 is a longitudinal sectional view of the sealing device of the prior art. Explanation of symbols: 1...Sealing device, 2a...Housing, 2...Sealing device main body, 3...Seal lip portion, 4...
Lip tip, 6...shaft, 7...spring, 8...metal reinforcement ring, 9...backup spring, 10...silicone oil.
Claims (1)
と、シール本体から伸び、可動軸に摺接して密封
流体を密封するシールリツプと、シールリツプを
補強するためのバツクアツプリングとを有する密
封装置において、バツクアツプリングを中空にし
、バツクアツプリング中に液体を封入したことを
特徴とする密封装置。 (2) 前記バツクアツプリングは、樹脂製である
ことを特徴とする請求項１記載の密封装置。 (3) 前記バツクアツプリングに封入された液体
は、シリコンオイルであることを特徴とする請求
項１又は２記載の密封装置。[Claims for Utility Model Registration] (1) A seal body that fits inside the housing, a seal lip that extends from the seal body and slides against the movable shaft to seal the sealing fluid, and a back-up for reinforcing the seal lip. 1. A sealing device having a ring, characterized in that the back-up spring is hollow and a liquid is sealed in the back-up spring. (2) The sealing device according to claim 1, wherein the back-up spring is made of resin. (3) The sealing device according to claim 1 or 2, wherein the liquid sealed in the backup spring is silicone oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988139030U JPH0259364U (en) | 1988-10-25 | 1988-10-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988139030U JPH0259364U (en) | 1988-10-25 | 1988-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0259364U true JPH0259364U (en) | 1990-04-27 |
Family
ID=31401911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988139030U Pending JPH0259364U (en) | 1988-10-25 | 1988-10-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0259364U (en) |
-
1988
- 1988-10-25 JP JP1988139030U patent/JPH0259364U/ja active Pending
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