JP6727002B2 - シール付軸受 - Google Patents
シール付軸受 Download PDFInfo
- Publication number
- JP6727002B2 JP6727002B2 JP2016071131A JP2016071131A JP6727002B2 JP 6727002 B2 JP6727002 B2 JP 6727002B2 JP 2016071131 A JP2016071131 A JP 2016071131A JP 2016071131 A JP2016071131 A JP 2016071131A JP 6727002 B2 JP6727002 B2 JP 6727002B2
- Authority
- JP
- Japan
- Prior art keywords
- seal
- ring
- groove wall
- bearing
- groove
- 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
- 230000005540 biological transmission Effects 0.000 claims description 13
- 229920001971 elastomer Polymers 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000004073 vulcanization Methods 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
- 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
- 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
-
- 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
-
- 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
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
-
- 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
- F16J15/3268—Mounting of sealing rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Of Bearings (AREA)
- Sealing Devices (AREA)
- Rolling Contact Bearings (AREA)
Description
第一実施形態では、前記外輪に保持された前記シールが、前記内輪と非接触の姿勢になっており、当該シールの前記シールリップ部及び前記内輪間の最小すきまが0.1mm未満に設定されている。
一方、この発明では、シール挿入時の抵抗を小さくしてシール挿入性を向上させることにより、前述の0.1mm未満の最小すきまを設定可能な程度にシールの姿勢を管理することが可能となる。すなわち、第一実施形態によれば、低フリクション化を図ることと、異物侵入の抑制とを両立させることができ、トランスミッション用途に好適なシール付軸受となる。
第二実施例に係るシール付軸受は、シールを非接触式シールに変更した点でのみ第一実施例と相違している。このため、以下では、第一実施例の説明で用いた図面を引き続き適宜に参照すると共に、共通の符号を用いる。第二実施例の図2の状態でのシールリップ部付近の拡大図を図5に示す。
2 シール
3 シール装着部
4 外輪
5 内輪
10 シールリップ部
11 環部
14 リップ先端
18 内部側溝壁
19 外部側溝壁
20 シール溝部
21 隙間
22 突条
100 トランスミッション
Claims (5)
- 軸受内部を外部に対して密封するシールと、前記シールを保持するシール装着部をもった外輪と、前記外輪と同軸に配置された内輪とを備え、
前記内輪が、周方向全周に亘るシール溝部を有し、
前記シールが、前記シール溝部の内側に位置するリップ先端をもったシールリップ部と、前記シール装着部に嵌合する環部とを有するシール付軸受において、
前記シールリップ部のうち、前記リップ先端を境とした内部側に、複数の突条が互いに径の異なる円形状に形成されており、
前記複数の突条が、前記環部と前記シール装着部の嵌合時に前記シールと前記シール溝部の外部側溝壁の接触箇所を前記突条のみに制限するように分布しており、
前記シール装着部に前記環部を嵌合する際、前記複数の突条のうち、前記シールの最も内径寄りに位置する前記突条から前記シール溝部の外部側溝壁に接触し、当該シールの軸方向挿入に伴って倒れた前記シールリップ部の二つ以上の前記突条において当該シール溝部の外部側溝壁に接触することを特徴とするシール付軸受。 - 前記外輪に保持された前記シールが前記内輪と非接触の姿勢になっており、当該シールの前記シールリップ部及び前記内輪間の最小すきまが、0.1mm未満に設定されている請求項1に記載のシール付軸受。
- 前記シールリップ部の径寸が、前記シール溝部の外部側溝壁の径寸に対して97%以上100%未満に設定されている請求項1又は2に記載のシール付軸受。
- 前記シールリップ部がゴム材料又は樹脂材料によって形成されている請求項1から3のいずれか1項に記載のシール付軸受。
- 車両のトランスミッションに組み込まれている請求項1から4のいずれか1項に記載のシール付軸受。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016071131A JP6727002B2 (ja) | 2016-03-31 | 2016-03-31 | シール付軸受 |
PCT/JP2017/011204 WO2017169976A1 (ja) | 2016-03-31 | 2017-03-21 | シール付軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016071131A JP6727002B2 (ja) | 2016-03-31 | 2016-03-31 | シール付軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017180739A JP2017180739A (ja) | 2017-10-05 |
JP6727002B2 true JP6727002B2 (ja) | 2020-07-22 |
Family
ID=59965287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016071131A Expired - Fee Related JP6727002B2 (ja) | 2016-03-31 | 2016-03-31 | シール付軸受 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6727002B2 (ja) |
WO (1) | WO2017169976A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102580857B1 (ko) * | 2018-12-28 | 2023-09-22 | 주식회사 베어링아트 | 씰링성이 향상된 구름 베어링 |
KR102604188B1 (ko) * | 2019-04-03 | 2023-11-23 | 주식회사 베어링아트 | 씰링성이 향상된 구름 베어링 |
CN115789099A (zh) * | 2021-09-09 | 2023-03-14 | 斯凯孚公司 | 轴承密封件和包括该轴承密封件的轴承 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001146923A (ja) * | 1999-09-10 | 2001-05-29 | Nsk Ltd | 密封形転がり軸受 |
JP2009264401A (ja) * | 2008-04-22 | 2009-11-12 | Nsk Ltd | 通電式転がり軸受 |
JP5300420B2 (ja) * | 2008-11-06 | 2013-09-25 | Ntn株式会社 | シール付き軸受 |
WO2010088343A2 (en) * | 2009-01-28 | 2010-08-05 | Federal-Mogul Corporation | Radial shaft seal, radial shaft seal assembly and method of installation |
-
2016
- 2016-03-31 JP JP2016071131A patent/JP6727002B2/ja not_active Expired - Fee Related
-
2017
- 2017-03-21 WO PCT/JP2017/011204 patent/WO2017169976A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2017169976A1 (ja) | 2017-10-05 |
JP2017180739A (ja) | 2017-10-05 |
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