JP6050080B2 - 密封型転がり軸受 - Google Patents
密封型転がり軸受 Download PDFInfo
- Publication number
- JP6050080B2 JP6050080B2 JP2012222795A JP2012222795A JP6050080B2 JP 6050080 B2 JP6050080 B2 JP 6050080B2 JP 2012222795 A JP2012222795 A JP 2012222795A JP 2012222795 A JP2012222795 A JP 2012222795A JP 6050080 B2 JP6050080 B2 JP 6050080B2
- Authority
- JP
- Japan
- Prior art keywords
- slinger
- radial lip
- outward
- rolling bearing
- ring
- 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.)
- Expired - Fee Related
Links
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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/762—Sealings of ball or roller bearings by means of a fluid
- F16C33/763—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap
- F16C33/766—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap by pumping action
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
- F16C33/7879—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a further sealing ring
- F16C33/7883—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a further sealing ring mounted to the inner race and of generally L-shape, the two sealing rings defining a sealing with box-shaped cross-section
-
- 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
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/06—Drive shafts
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/80—Labyrinth sealings
- F16C33/805—Labyrinth sealings in addition to other sealings, e.g. dirt guards to protect sealings with sealing lips
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
- Rolling Contact Bearings (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
3 内輪
5 ボール(転動体)
8 軸受空間
10 密封装置
11 シール部材
11a 円筒部
11b 円環部
18 第1ラジアルリップ
19 第2ラジアルリップ
21 スリンガ
22 円筒部
23 円環部
23a 内向き折曲げ部
23b 円板部
23c 外向き折曲げ部
Claims (6)
- 外輪(1)と内輪(3)とを転動体(5)を介して相対的に回転自在とし、その外輪(1)と内輪(3)との間に形成された軸受空間(8)の両端開口部を密封装置(10)により密封した密封型転がり軸受において、
前記密封装置(10)が、前記外輪(1)の端部内径面に取付けられるシール部材(11)と、前記内輪(3)の端部外径面に取付けられる金属製のスリンガ(21)とを有し、
前記シール部材(11)は、芯金(12)と、その芯金(12)に固着されたシール本体(15)とからなり、
前記芯金(12)は、前記外輪(1)の端部内径面に圧入される円筒部(13)と、その円筒部(13)のインナ側端に設けられた径方向内向きの円環部(14)とからなり、その円環部(14)は、軸方向外方に向けての折り曲げによって傾斜する傾斜部(14a)と、その傾斜部(14a)の内周部に設けられた径方向内方に向く円板部(14b)とを有する構成とされ
前記シール本体(15)は、前記芯金(12)の円環部(14)の外側面を被覆する円環部(17)の内周部に軸方向外方に向く第1ラジアルリップ(18)と第2ラジアルリップ(19)の二つのラジアルリップのみを軸方向に間隔をおいて設けた構成とされ、
前記スリンガ(21)は、前記内輪(3)の端部外径面に圧入される円筒部(22)と、その円筒部(22)のアウタ側端部に設けられた径方向外向きの円環部(23)とからなり、その円環部(23)は、軸方向内方に向けての折曲げによって傾斜する内向き折曲げ部(23a)と、その内向き折曲げ部(23a)の外周部に前記芯金(12)の円板部(14b)にほぼ平行して設けられた円板部(23b)とを有する構成とされ、
前記スリンガ(21)の円筒部(22)外周に形成された円筒状のシール摺接面(24)に前記第1ラジアルリップ(18)および第2ラジアルリップ(19)を弾性接触させるとともに、前記芯金(12)の円板部(14b)と、前記スリンガ(21)の円板部(23b)との間にラビリンス隙間(26)を形成したことを特徴とする密封型転がり軸受。 - 前記第1ラジアルリップ(18)と前記第2ラジアルリップ(19)のうち、アウタ側のラジアルリップの先端と前記スリンガ(21)の円環部(23)の内側面間に0.3mm〜0.5mmの軸方向すきま(25)を形成した請求項1に記載の密封型転がり軸受。
- 前記スリンガ(21)における円板部(23b)の外周部を軸方向外方に向けて折り曲げて前記シール部材(11)の前記外輪(1)の端部内径面に圧入される円筒部(11a)内周面との間に微小間隙(g)を形成する外向き折曲げ部(23c)を設けた請求項2に記載の密封型転がり軸受。
- 前記外向き折曲げ部(23c)を斜め外方に向く傾斜状とし、かつ、その外周端を前記シール部材(11)における円筒部(11a)のアウタ側端より軸方向内方に位置させた請求項3に記載の密封型転がり軸受。
- 前記スリンガ(21)が、ステンレス鋼板または溶融亜鉛めっき鋼板からなる請求項1乃至4のいずれか1項に記載の密封型転がり軸受。
- 前記第1ラジアルリップ(18)および第2ラジアルリップ(19)が、ニトリルゴム、アクリルゴム、フッ素ゴムの一種からなる請求項1乃至5のいずれか1項に記載の密封型転がり軸受。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012222795A JP6050080B2 (ja) | 2012-10-05 | 2012-10-05 | 密封型転がり軸受 |
EP13844312.2A EP2905489B1 (en) | 2012-10-05 | 2013-10-01 | Sealed rolling bearing |
KR1020157011248A KR102125108B1 (ko) | 2012-10-05 | 2013-10-01 | 밀봉형 구름 베어링 |
CN201380051876.2A CN104718389B (zh) | 2012-10-05 | 2013-10-01 | 密封型滚动轴承 |
US14/432,757 US9599162B2 (en) | 2012-10-05 | 2013-10-01 | Sealed rolling bearing |
PCT/JP2013/076657 WO2014054616A1 (ja) | 2012-10-05 | 2013-10-01 | 密封型転がり軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012222795A JP6050080B2 (ja) | 2012-10-05 | 2012-10-05 | 密封型転がり軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014074465A JP2014074465A (ja) | 2014-04-24 |
JP6050080B2 true JP6050080B2 (ja) | 2016-12-21 |
Family
ID=50434942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012222795A Expired - Fee Related JP6050080B2 (ja) | 2012-10-05 | 2012-10-05 | 密封型転がり軸受 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9599162B2 (ja) |
EP (1) | EP2905489B1 (ja) |
JP (1) | JP6050080B2 (ja) |
KR (1) | KR102125108B1 (ja) |
CN (1) | CN104718389B (ja) |
WO (1) | WO2014054616A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6439262B2 (ja) * | 2014-03-19 | 2018-12-19 | 日本精工株式会社 | 転がり軸受 |
US9841141B2 (en) * | 2014-12-31 | 2017-12-12 | Lincoln Industrial Corporation | Lubrication method for housing having an exclusion seal |
US9810372B2 (en) * | 2014-12-31 | 2017-11-07 | Lincoln Industrial Coporation | Bearing system with lubricated exclusion seal |
CN109416079B (zh) | 2016-06-20 | 2021-02-09 | Nok株式会社 | 密封装置 |
JP2018096494A (ja) * | 2016-12-15 | 2018-06-21 | Ntn株式会社 | テンショナ装置の支持構造 |
JP2020513096A (ja) * | 2017-04-07 | 2020-04-30 | デーナ、オータモウティヴ、システィムズ、グループ、エルエルシー | 一体的に形成されたリブを有するシーリング部材 |
JP2019066011A (ja) * | 2017-10-04 | 2019-04-25 | 中西金属工業株式会社 | 回転用シール |
JP2020003026A (ja) * | 2018-06-29 | 2020-01-09 | 中西金属工業株式会社 | 回転用シール |
DE102018215853B4 (de) * | 2018-09-18 | 2023-10-05 | Siemens Aktiengesellschaft | Fronttafeldichtung eines Befehls- und Meldegeräts, insbesondere eines Drehbetätigers |
DE102019216994A1 (de) * | 2019-11-05 | 2021-05-06 | Aktiebolaget Skf | Radlagerdichtung |
WO2024018551A1 (ja) * | 2022-07-20 | 2024-01-25 | 株式会社ジェイテクト | 転がり軸受 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT208052Z2 (it) * | 1986-07-08 | 1988-03-31 | Riv Officine Di Villar Perosa | Complesso di tenuta atto ad essere interposto fra due organi in moto relativo |
JPH0293571A (ja) | 1988-09-30 | 1990-04-04 | Canon Inc | 画像形成装置 |
JPH0726609Y2 (ja) | 1989-01-12 | 1995-06-14 | 光洋精工株式会社 | 転がり軸受の密封装置 |
JPH0394425A (ja) | 1989-09-06 | 1991-04-19 | Mitsubishi Electric Corp | レジスト除去方法 |
JPH0394425U (ja) * | 1990-01-19 | 1991-09-26 | ||
US5242229A (en) * | 1992-11-25 | 1993-09-07 | The Torrington Company | Sealing structure for standardized bearing ring |
JP2003065289A (ja) * | 2001-08-24 | 2003-03-05 | Nsk Ltd | ウォータポンプ用シール装置とウォータポンプ用回転支持装置とウォータポンプ |
JP2005121164A (ja) * | 2003-10-17 | 2005-05-12 | Nsk Ltd | シール装置 |
JP4531541B2 (ja) | 2004-12-02 | 2010-08-25 | 光洋シーリングテクノ株式会社 | 密封装置 |
JP2007247718A (ja) * | 2006-03-14 | 2007-09-27 | Nsk Ltd | ころがり軸受および密封シール部材 |
JP4867454B2 (ja) * | 2006-04-21 | 2012-02-01 | 日本精工株式会社 | 多極磁石エンコーダ付き密封装置該密封装置を備えた転がり軸受及び車輪支持用軸受ユニット |
WO2008044328A1 (fr) * | 2006-10-06 | 2008-04-17 | Ntn Corporation | Dispositif de palier pour roue |
JP2008128378A (ja) * | 2006-11-21 | 2008-06-05 | Jtekt Corp | 密封装置 |
DE112008001279T5 (de) * | 2007-05-16 | 2010-04-15 | Ntn Corporation | Radlagervorrichtung mit eingebauter Raddrehzahl-Detektionsvorrichtung |
JP5303909B2 (ja) * | 2007-11-20 | 2013-10-02 | 株式会社ジェイテクト | 密封装置、転がり軸受および車輪用転がり軸受 |
US8308370B2 (en) * | 2008-02-25 | 2012-11-13 | Jtekt Corporation | Sealing device for bearing |
JP5370941B2 (ja) * | 2008-10-01 | 2013-12-18 | 内山工業株式会社 | 密封装置 |
JP2010203492A (ja) * | 2009-03-02 | 2010-09-16 | Jtekt Corp | 転がり軸受装置 |
JP2010261598A (ja) * | 2010-08-24 | 2010-11-18 | Nsk Ltd | 密封装置及び密封装置付転がり軸受ユニット |
JP5139549B2 (ja) | 2011-03-07 | 2013-02-06 | Ntn株式会社 | 密封型転がり軸受 |
-
2012
- 2012-10-05 JP JP2012222795A patent/JP6050080B2/ja not_active Expired - Fee Related
-
2013
- 2013-10-01 EP EP13844312.2A patent/EP2905489B1/en not_active Not-in-force
- 2013-10-01 WO PCT/JP2013/076657 patent/WO2014054616A1/ja active Application Filing
- 2013-10-01 US US14/432,757 patent/US9599162B2/en active Active
- 2013-10-01 KR KR1020157011248A patent/KR102125108B1/ko active IP Right Grant
- 2013-10-01 CN CN201380051876.2A patent/CN104718389B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20150300411A1 (en) | 2015-10-22 |
KR102125108B1 (ko) | 2020-06-19 |
EP2905489B1 (en) | 2019-03-27 |
EP2905489A4 (en) | 2015-12-30 |
CN104718389A (zh) | 2015-06-17 |
WO2014054616A1 (ja) | 2014-04-10 |
KR20150081276A (ko) | 2015-07-13 |
JP2014074465A (ja) | 2014-04-24 |
CN104718389B (zh) | 2017-05-31 |
US9599162B2 (en) | 2017-03-21 |
EP2905489A1 (en) | 2015-08-12 |
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