JP2006057646A - 密封装置 - Google Patents
密封装置 Download PDFInfo
- Publication number
- JP2006057646A JP2006057646A JP2004237016A JP2004237016A JP2006057646A JP 2006057646 A JP2006057646 A JP 2006057646A JP 2004237016 A JP2004237016 A JP 2004237016A JP 2004237016 A JP2004237016 A JP 2004237016A JP 2006057646 A JP2006057646 A JP 2006057646A
- Authority
- JP
- Japan
- Prior art keywords
- inner peripheral
- outer peripheral
- seal lip
- spring
- cylindrical portion
- 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 title claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims abstract description 91
- 230000001815 facial effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 5
- 229940058401 polytetrafluoroethylene Drugs 0.000 description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 description 5
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Images
Abstract
【解決手段】シールリップ4の内周筒状部41を縮径方向に付勢するばね部材5が、外周フランジ51と、その内周側へ円周方向所定間隔で突出した多数のばね突起52からなり、各ばね突起52が、外周フランジ51の内周から帯状に延びて弾性的に曲げ変形可能な板ばね部521と、その先端から延びて前記内周筒状部41をその軸方向略全域にわたって外周から押圧し前記回転体の外周面に密接させる不変形の押圧片522からなる。
【選択図】図1
Description
11,31 スリーブ
12,32 内向きフランジ
2 弾性シール
21 外周シール部
22 ダストリップ
23 中間弾性層
3 内環
4 シールリップ
41 内周筒状部
41a 螺旋状溝
42 外周部
43 湾曲部
5 ばね部材
51 外周フランジ
52 ばね突起
521 板ばね部
522 押圧片
Claims (1)
- 内周筒状部(41)の内周面が回転体の外周面と摺動可能に密接されるシールリップ(4)と、前記内周筒状部(41)を縮径方向に付勢するばね部材(5)とを備え、このばね部材(5)が、外周フランジ(51)と、その内周側へ円周方向所定間隔で突出した多数のばね突起(52)からなり、各ばね突起(52)が、前記外周フランジ(51)の内周から帯状に延びて弾性的に曲げ変形可能な板ばね部(521)と、その先端から延びて前記内周筒状部(41)をその軸方向略全域にわたって外周から押圧し前記回転体の外周面に密接させる不変形の押圧片(522)からなることを特徴とする密封装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004237016A JP4466842B2 (ja) | 2004-08-17 | 2004-08-17 | 密封装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004237016A JP4466842B2 (ja) | 2004-08-17 | 2004-08-17 | 密封装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006057646A true JP2006057646A (ja) | 2006-03-02 |
JP4466842B2 JP4466842B2 (ja) | 2010-05-26 |
Family
ID=36105305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004237016A Active JP4466842B2 (ja) | 2004-08-17 | 2004-08-17 | 密封装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4466842B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013061077A (ja) * | 2012-12-26 | 2013-04-04 | Kyb Co Ltd | 軸封構造 |
-
2004
- 2004-08-17 JP JP2004237016A patent/JP4466842B2/ja active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013061077A (ja) * | 2012-12-26 | 2013-04-04 | Kyb Co Ltd | 軸封構造 |
Also Published As
Publication number | Publication date |
---|---|
JP4466842B2 (ja) | 2010-05-26 |
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