JP5041137B2 - 密封装置 - Google Patents
密封装置 Download PDFInfo
- Publication number
- JP5041137B2 JP5041137B2 JP2007017639A JP2007017639A JP5041137B2 JP 5041137 B2 JP5041137 B2 JP 5041137B2 JP 2007017639 A JP2007017639 A JP 2007017639A JP 2007017639 A JP2007017639 A JP 2007017639A JP 5041137 B2 JP5041137 B2 JP 5041137B2
- Authority
- JP
- Japan
- Prior art keywords
- lip
- contact
- contact portion
- slinger
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims description 46
- 239000004519 grease Substances 0.000 claims description 50
- 230000013011 mating Effects 0.000 claims description 9
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 description 10
- 239000000706 filtrate Substances 0.000 description 7
- 238000005461 lubrication Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/324—Arrangements for lubrication or cooling of the sealing itself
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
- F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
- F16J15/3256—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals
- F16J15/3264—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals the elements being separable from each other
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Description
図1は、本発明の第一実施例に係る密封装置1の要部断面を示している。
図4は、本発明の第二実施例に係る密封装置1の要部断面を示している。
2 取付環
3 ゴム状弾性体
4 スリンガー
4a 筒部
4b フランジ部
4c 軸方向端面
4d 外側端面
5 主リップ
6 サイドリップ
6a 接触部
6b 非接触部
6c 接触面
9 平行溝
10 磁気エンコーダ
11 グリース保持部
12 環状溝
13 放射状溝
Claims (3)
- 相手部材に摺動自在に密接するサイドリップ(6)を有し、
前記サイドリップ(6)は、前記相手部材に摺動自在に密接するリップ先端側の接触部(6a)と、前記相手部材に非接触のリップ基端側の非接触部(6b)とを有し、
前記相手部材が前記サイドリップ(6)に対して軸方向に相対変位するのに伴って前記接触部(6)の幅(W1)およびリップしめしろが増減する構造の密封装置(1)において、
前記サイドリップ(6)の接触部(6a)は、その接触面(6c)の断面が自由状態においてストレートな形状を有し、
前記サイドリップ(6)の非接触部(6b)は、前記接触部(6a)へ供給するグリースを保持するためのグリース保持部(11)を有し、
前記サイドリップ(6)の非接触部(6b)に設けられるグリース保持部(11)は、前記接触部(6a)の幅(W1)およびリップしめしろが最大となるときに前記接触部(6a)と非接触部(6b)との境界となる位置に配置されることを特徴とする密封装置。 - 請求項1記載の密封装置において、
グリース保持部(11)は、非接触部(6b)の表面に設けられた環状の溝(12)よりなることを特徴とする密封装置。 - 請求項1記載の密封装置において、
グリース保持部(11)は、非接触部(6b)の表面に設けられた等配状の溝(13)よりなることを特徴とする密封装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007017639A JP5041137B2 (ja) | 2007-01-29 | 2007-01-29 | 密封装置 |
PCT/JP2007/073906 WO2008093468A1 (ja) | 2007-01-29 | 2007-12-12 | 密封装置 |
KR1020097013687A KR20090112643A (ko) | 2007-01-29 | 2007-12-12 | 밀봉장치 |
US12/521,824 US20100066030A1 (en) | 2007-01-29 | 2007-12-12 | Hermetic sealing device |
CNA2007800503935A CN101600896A (zh) | 2007-01-29 | 2007-12-12 | 密封装置 |
EP07850457.8A EP2128501B1 (en) | 2007-01-29 | 2007-12-12 | Hermetic sealing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007017639A JP5041137B2 (ja) | 2007-01-29 | 2007-01-29 | 密封装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008185080A JP2008185080A (ja) | 2008-08-14 |
JP5041137B2 true JP5041137B2 (ja) | 2012-10-03 |
Family
ID=39673784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007017639A Active JP5041137B2 (ja) | 2007-01-29 | 2007-01-29 | 密封装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20100066030A1 (ja) |
EP (1) | EP2128501B1 (ja) |
JP (1) | JP5041137B2 (ja) |
KR (1) | KR20090112643A (ja) |
CN (1) | CN101600896A (ja) |
WO (1) | WO2008093468A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011202760A (ja) * | 2010-03-26 | 2011-10-13 | Nok Corp | 密封装置 |
JP5757455B2 (ja) * | 2011-03-18 | 2015-07-29 | Nok株式会社 | 密封装置 |
CN103765059B (zh) * | 2011-08-25 | 2017-02-15 | Skf公司 | 具有轴向唇状件的润滑密封件 |
JP6402489B2 (ja) * | 2014-05-19 | 2018-10-10 | 日本精工株式会社 | 転がり軸受 |
FR3029995B1 (fr) * | 2014-12-15 | 2017-06-09 | Skf Ab | Palier a roulement comprenant un flasque d'etancheite |
JP6523994B2 (ja) * | 2015-03-09 | 2019-06-05 | Ntn株式会社 | シール付軸受 |
CN107208802B (zh) * | 2015-04-02 | 2018-10-19 | Nok株式会社 | 密封装置 |
WO2019009053A1 (ja) * | 2017-07-07 | 2019-01-10 | Nok株式会社 | 密封装置 |
JP6890489B2 (ja) * | 2017-07-07 | 2021-06-18 | Nok株式会社 | 密封装置 |
JP7106264B2 (ja) * | 2017-11-15 | 2022-07-26 | 光洋シーリングテクノ株式会社 | 密封装置 |
WO2019194185A1 (ja) | 2018-04-06 | 2019-10-10 | Nok株式会社 | 密封装置 |
JP7011716B2 (ja) * | 2018-07-09 | 2022-01-27 | Nok株式会社 | 密封装置 |
US11668397B2 (en) | 2018-08-28 | 2023-06-06 | Nok Corporation | Sealing structure for cover made of resin |
KR102200571B1 (ko) * | 2018-10-17 | 2021-01-08 | 평화오일씰공업 주식회사 | 자기 윤활 기능을 갖는 회전용 오일씰 |
JP2024511314A (ja) * | 2021-03-23 | 2024-03-13 | ユチンソン | シール組立体およびそのような組立体を備える転がり軸受 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5967624U (ja) * | 1982-10-27 | 1984-05-08 | 光洋精工株式会社 | ころがり軸受の密封装置 |
JPH0216945Y2 (ja) * | 1985-04-05 | 1990-05-10 | ||
JPS63168365U (ja) * | 1987-04-22 | 1988-11-02 | ||
JPH0641019Y2 (ja) * | 1988-05-06 | 1994-10-26 | 六菱ゴム株式会社 | 真空用シール機構 |
JPH0649973Y2 (ja) * | 1989-04-20 | 1994-12-14 | エヌオーケー株式会社 | オイルシール |
DE4125183C2 (de) * | 1991-07-30 | 1993-11-25 | Freudenberg Carl Fa | Kassettendichtung |
JP2559158Y2 (ja) * | 1993-04-09 | 1998-01-14 | 内山工業株式会社 | 密封装置 |
JP2003097725A (ja) | 2001-09-27 | 2003-04-03 | Nok Corp | 密封装置 |
WO2003069177A1 (fr) * | 2002-02-14 | 2003-08-21 | Nsk Ltd. | Dispositif d'etancheite ainsi que roulement et unite de moyeu comprenant ce dispositif d'etancheite |
AU2003227434A1 (en) * | 2002-04-23 | 2003-11-10 | Nsk Ltd. | Seal device for water pump, rotation supporting device for water pump, and assembly method for water pump |
JPWO2003091573A1 (ja) * | 2002-04-23 | 2005-09-02 | 日本精工株式会社 | ウォータポンプ用シール装置、ウォータポンプ用回転支持装置、ウォータポンプの組立方法 |
JP2003343738A (ja) * | 2002-05-24 | 2003-12-03 | Nok Corp | オイルシール |
JP2003343737A (ja) * | 2002-05-30 | 2003-12-03 | Mitsubishi Cable Ind Ltd | 回転軸シール |
JP2004263738A (ja) * | 2003-02-28 | 2004-09-24 | Nok Corp | 密封装置 |
JP4280903B2 (ja) | 2003-03-03 | 2009-06-17 | Nok株式会社 | 密封装置 |
JP2005016603A (ja) * | 2003-06-25 | 2005-01-20 | Nsk Ltd | 密封装置及び密封装置付転がり軸受ユニット |
US7004471B2 (en) * | 2003-12-17 | 2006-02-28 | General Motors Corporation | Radial lip seal |
JP2005220931A (ja) | 2004-02-03 | 2005-08-18 | Nok Corp | オイルシール |
JP2005330987A (ja) * | 2004-05-18 | 2005-12-02 | Nsk Ltd | 密封ころがり軸受および密封シール |
ATE405776T1 (de) * | 2004-07-09 | 2008-09-15 | Freudenberg Carl Kg | Wellendichtring |
-
2007
- 2007-01-29 JP JP2007017639A patent/JP5041137B2/ja active Active
- 2007-12-12 EP EP07850457.8A patent/EP2128501B1/en not_active Not-in-force
- 2007-12-12 US US12/521,824 patent/US20100066030A1/en not_active Abandoned
- 2007-12-12 KR KR1020097013687A patent/KR20090112643A/ko not_active Application Discontinuation
- 2007-12-12 CN CNA2007800503935A patent/CN101600896A/zh active Pending
- 2007-12-12 WO PCT/JP2007/073906 patent/WO2008093468A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
KR20090112643A (ko) | 2009-10-28 |
US20100066030A1 (en) | 2010-03-18 |
EP2128501A1 (en) | 2009-12-02 |
JP2008185080A (ja) | 2008-08-14 |
EP2128501A4 (en) | 2012-06-27 |
EP2128501B1 (en) | 2014-02-12 |
WO2008093468A1 (ja) | 2008-08-07 |
CN101600896A (zh) | 2009-12-09 |
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