JP6267475B2 - 密封装置 - Google Patents
密封装置 Download PDFInfo
- Publication number
- JP6267475B2 JP6267475B2 JP2013209064A JP2013209064A JP6267475B2 JP 6267475 B2 JP6267475 B2 JP 6267475B2 JP 2013209064 A JP2013209064 A JP 2013209064A JP 2013209064 A JP2013209064 A JP 2013209064A JP 6267475 B2 JP6267475 B2 JP 6267475B2
- Authority
- JP
- Japan
- Prior art keywords
- ridge
- screw
- sealed space
- lip
- sealing
- 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 42
- 230000002093 peripheral effect Effects 0.000 claims description 21
- 238000005086 pumping Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 7
- 239000000428 dust Substances 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000007790 scraping Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010959 steel Substances 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
- F16J15/3244—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with hydrodynamic pumping action
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Devices (AREA)
- Gasket Seals (AREA)
Description
2a リップエッジ部
2b 反密封空間側円錐面
21 第一ねじ突条
22 第二ねじ突条
23 円周方向突条
200 回転軸
A 密封空間
B 反密封空間
Claims (2)
- シールリップの内周面に、
リップエッジ部と、
このリップエッジ部から反密封空間側へ向けて大径になる反密封空間側円錐面と、
が形成され、この反密封空間側円錐面に、
円周方向に対して一定方向へ傾斜して延びる第一ねじ突条と、
この第一ねじ突条と逆方向へ傾斜して延びる第二ねじ突条と、
前記第一ねじ突条及び前記第二ねじ突条と同等又はそれ以上の高さを有し、これらの第一ねじ突条及び第二ねじ突条と交差して円周方向へ延びる円周方向突条と、
が形成されたことを特徴とする密封装置。 - 前記第一のねじ突条及び前記第二のねじ突条は、幅及び高さが長手方向中間部で最大となるように変化する舟底形の隆起形状に形成されている、
ことを特徴とする請求項1に記載の密封装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013209064A JP6267475B2 (ja) | 2013-10-04 | 2013-10-04 | 密封装置 |
US14/493,945 US9133938B2 (en) | 2013-10-04 | 2014-09-23 | Sealing device |
CA2864705A CA2864705C (en) | 2013-10-04 | 2014-09-24 | Sealing device |
MX2014011584A MX352820B (es) | 2013-10-04 | 2014-09-26 | Dispositivo de sellado. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013209064A JP6267475B2 (ja) | 2013-10-04 | 2013-10-04 | 密封装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015072058A JP2015072058A (ja) | 2015-04-16 |
JP6267475B2 true JP6267475B2 (ja) | 2018-01-24 |
Family
ID=52776345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013209064A Active JP6267475B2 (ja) | 2013-10-04 | 2013-10-04 | 密封装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9133938B2 (ja) |
JP (1) | JP6267475B2 (ja) |
CA (1) | CA2864705C (ja) |
MX (1) | MX352820B (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103732956B (zh) * | 2011-09-06 | 2016-03-30 | 伊格尔工业股份有限公司 | 轴封装置 |
JP6177582B2 (ja) * | 2013-05-14 | 2017-08-09 | Nok株式会社 | 密封装置 |
JP6204987B2 (ja) * | 2013-10-10 | 2017-09-27 | Nok株式会社 | 密封装置 |
JP5932940B2 (ja) | 2014-10-17 | 2016-06-08 | Nok株式会社 | ラバーガスケット |
JP6809847B2 (ja) * | 2016-09-01 | 2021-01-06 | Nok株式会社 | 密封装置 |
EP3604868A1 (en) * | 2017-03-28 | 2020-02-05 | Nok Corporation | Sealing device |
JP2020041553A (ja) * | 2018-09-06 | 2020-03-19 | Nok株式会社 | 密封装置 |
DE102019002953A1 (de) * | 2019-04-18 | 2020-10-22 | Kaco Gmbh + Co. Kg | Radialwellendichtung |
KR20230045090A (ko) * | 2020-09-15 | 2023-04-04 | 에누오케 가부시키가이샤 | 밀봉 장치 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4819949A (en) * | 1985-12-19 | 1989-04-11 | Timken Company | Shielded seal assembly |
JPH07208611A (ja) * | 1994-01-26 | 1995-08-11 | Koyo Seiko Co Ltd | オイルシ−ル |
JP2001027326A (ja) * | 1999-07-14 | 2001-01-30 | Keeper Co Ltd | オイルシール |
JP2001208210A (ja) * | 2000-01-26 | 2001-08-03 | Koyo Seiko Co Ltd | オイルシール |
JP2001295942A (ja) * | 2000-04-14 | 2001-10-26 | Keeper Co Ltd | ねじ付きオイルシール |
US6729624B1 (en) * | 2001-02-20 | 2004-05-04 | Freudenberg-Nok General Partnership | Radial shaft seal |
JP4702517B2 (ja) * | 2004-03-31 | 2011-06-15 | Nok株式会社 | オイルシール |
CN101802466B (zh) * | 2007-09-04 | 2013-06-12 | 株式会社荒井制作所 | 密封装置 |
DE102013207029B4 (de) * | 2013-04-18 | 2016-05-04 | Aktiebolaget Skf | Radialwellen-Dichtungsanordnung |
-
2013
- 2013-10-04 JP JP2013209064A patent/JP6267475B2/ja active Active
-
2014
- 2014-09-23 US US14/493,945 patent/US9133938B2/en active Active
- 2014-09-24 CA CA2864705A patent/CA2864705C/en active Active
- 2014-09-26 MX MX2014011584A patent/MX352820B/es active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
MX2014011584A (es) | 2015-05-28 |
CA2864705C (en) | 2016-11-08 |
US20150097344A1 (en) | 2015-04-09 |
MX352820B (es) | 2017-12-08 |
CA2864705A1 (en) | 2015-04-04 |
US9133938B2 (en) | 2015-09-15 |
JP2015072058A (ja) | 2015-04-16 |
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