JP2006226392A - 密封装置 - Google Patents
密封装置 Download PDFInfo
- Publication number
- JP2006226392A JP2006226392A JP2005040360A JP2005040360A JP2006226392A JP 2006226392 A JP2006226392 A JP 2006226392A JP 2005040360 A JP2005040360 A JP 2005040360A JP 2005040360 A JP2005040360 A JP 2005040360A JP 2006226392 A JP2006226392 A JP 2006226392A
- Authority
- JP
- Japan
- Prior art keywords
- contact
- sealing device
- annular groove
- outer ring
- seal lip
- 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.)
- Pending
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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
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
- F16C33/7843—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc
- F16C33/7853—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc with one or more sealing lips to contact the inner race
- F16C33/7856—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc with one or more sealing lips to contact the inner race with a single sealing 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
- 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
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/783—Details of the sealing or parts thereof, e.g. geometry, material of the mounting region
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Abstract
【解決手段】 外輪11の内周面に当接される第1シールリップ部16と、外輪11の前記第1シールリップ部の当接面よりも内側に設けられた環状溝19に嵌合される嵌合部20と、内輪12の外周面に摺動接触される第2シールリップ部18と、を備え、前記嵌合部20は、軸方向外向きに弾性変形して前記環状溝19の底面及び外側側壁面に当接する、リップ形状の第1当接部と、前記第1当接部よりも内側に、内径方向に弾性変形して前記環状溝19の内側側壁面に当接する第2当接部と、を備え、前記環状溝19の底面及び内側側壁面と、前記第1当接部と、前記第2当接部との間に環状隙間を形成する。
【選択図】 図1
Description
11 外輪
12 内輪
13 転動体
14 芯金
15 当接面
16 第1シールリップ部
17 外周面
18 第2シールリップ部
19 環状溝
20 嵌合部
21 第1当接部
22 第2当接部
23 溝底
24 外側側壁
25 内側側壁
26 環状隙間
100 密封装置
101 外輪
102 内輪
103 転動体
104 芯金
105 環状溝
106 嵌合部
107 摺接面
108 シールリップ部
109 嵌合リップ
110 シールリップ
111 当接面
Claims (3)
- 相対回転する同心的に配置された外輪と内輪との間に配設されて、前記外輪と前記内輪との間に形成される環状隙間を密封する密封装置であって、
前記外輪の内周面に当接される第1シールリップ部と、
前記外輪の前記第1シールリップ部の当接面よりも内側に設けられた環状溝に嵌合される嵌合部と、
前記内輪の外周面に摺動接触される第2シールリップ部と、を備え、
前記嵌合部は、
軸方向外向きに弾性変形して前記環状溝の底面及び外側側壁面に当接する、リップ形状の第1当接部と、
前記第1当接部よりも内側に、内径方向に弾性変形して前記環状溝の内側側壁面に当接する第2当接部と、を備え、
前記環状溝の底面及び内側側壁面と、前記第1当接部と、前記第2当接部との間に環状隙間を形成する
ことを特徴とする密封装置。 - 前記第2当接部が、リップ形状であることを特徴とする請求項1に記載の密封装置。
- 前記第2当接部が、突起形状であることを特徴とする請求項1に記載の密封装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005040360A JP2006226392A (ja) | 2005-02-17 | 2005-02-17 | 密封装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005040360A JP2006226392A (ja) | 2005-02-17 | 2005-02-17 | 密封装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2006226392A true JP2006226392A (ja) | 2006-08-31 |
Family
ID=36987937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005040360A Pending JP2006226392A (ja) | 2005-02-17 | 2005-02-17 | 密封装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2006226392A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018173731A1 (ja) * | 2017-03-24 | 2018-09-27 | Ntn株式会社 | 密封型転がり軸受 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6012719U (ja) * | 1983-07-06 | 1985-01-28 | 日亜精密工業株式会社 | ベアリング用保護板 |
JPH0439417A (ja) * | 1990-06-05 | 1992-02-10 | Takai Seiki:Kk | ベアリングおよびシール板 |
JPH1078039A (ja) * | 1996-08-30 | 1998-03-24 | Uchiyama Mfg Corp | ベアリングシール |
JP2004257421A (ja) * | 2003-02-24 | 2004-09-16 | Nsk Ltd | 転がり軸受用密封装置 |
-
2005
- 2005-02-17 JP JP2005040360A patent/JP2006226392A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6012719U (ja) * | 1983-07-06 | 1985-01-28 | 日亜精密工業株式会社 | ベアリング用保護板 |
JPH0439417A (ja) * | 1990-06-05 | 1992-02-10 | Takai Seiki:Kk | ベアリングおよびシール板 |
JPH1078039A (ja) * | 1996-08-30 | 1998-03-24 | Uchiyama Mfg Corp | ベアリングシール |
JP2004257421A (ja) * | 2003-02-24 | 2004-09-16 | Nsk Ltd | 転がり軸受用密封装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018173731A1 (ja) * | 2017-03-24 | 2018-09-27 | Ntn株式会社 | 密封型転がり軸受 |
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