JPS62194215U - - Google Patents

Info

Publication number
JPS62194215U
JPS62194215U JP8133886U JP8133886U JPS62194215U JP S62194215 U JPS62194215 U JP S62194215U JP 8133886 U JP8133886 U JP 8133886U JP 8133886 U JP8133886 U JP 8133886U JP S62194215 U JPS62194215 U JP S62194215U
Authority
JP
Japan
Prior art keywords
lip
thin wall
fixed part
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.)
Granted
Application number
JP8133886U
Other languages
Japanese (ja)
Other versions
JPH0442572Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1986081338U priority Critical patent/JPH0442572Y2/ja
Publication of JPS62194215U publication Critical patent/JPS62194215U/ja
Application granted granted Critical
Publication of JPH0442572Y2 publication Critical patent/JPH0442572Y2/ja
Expired legal-status Critical Current

Links

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
    • F16C33/726—Sealings with means to vent the interior of the bearing
    • 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
    • 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
    • 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

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、この考案の実施例を示す上半部縦断
側面図、第２図はシール体の要部を示す背面図で
ある。 図中、１０は外輪、１１はシール固定溝、２０
は内輪、２１はシール摺接溝、３０はシール体、
３２は固定部、３３，３４は固定部の通気溝、３
５は薄肉部、３７は主リツプ、３９は主リツプの
通気溝、４０は薄肉部である。 FIG. 1 is a longitudinal cross-sectional side view of the upper half of an embodiment of this invention, and FIG. 2 is a rear view showing the main parts of the seal body. In the figure, 10 is an outer ring, 11 is a seal fixing groove, and 20
is the inner ring, 21 is the seal sliding groove, 30 is the seal body,
32 is a fixed part, 33 and 34 are ventilation grooves of the fixed part, 3
5 is a thin wall portion, 37 is a main lip, 39 is a ventilation groove of the main lip, and 40 is a thin wall portion.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ゴム等の弾性体からなるシール体の固定部をこ
ろがり軸受の固定輪のシール固定溝に密着させて
固定し、リツプを回転輪のシール摺接溝に接触さ
せて組み付けてなる密封装置において、前記シー
ル体の固定部の内側面および外径面と、リツプの
先端面との少なくとも一方に、軸受の内部と外部
とを連通させる通気溝を設け、固定部の外径面の
通気溝にはその長さ方向外側縁の開口端を閉塞す
る薄肉部を設け、リツプの先端面の通気溝にはそ
の長さ方向外側縁の開口端を閉塞する薄肉部を設
け、前記各薄肉部の肉厚を軸受内圧の変動に追従
して弾性変形可能な厚さとしたことを特徴とする
ころがり軸受の密封装置。 In a sealing device in which the fixed part of the seal body made of an elastic material such as rubber is fixed in close contact with the seal fixing groove of a fixed ring of a rolling bearing, and the lip is assembled with the seal sliding contact groove of a rotating ring, A ventilation groove for communicating the inside and outside of the bearing is provided on at least one of the inner and outer diameter surfaces of the fixed part of the seal body and the tip end face of the lip, and the ventilation groove on the outer diameter surface of the fixed part is provided with A thin wall portion that closes the open end of the outer edge in the length direction is provided, a thin wall portion that closes the open end of the outer edge in the length direction is provided in the ventilation groove on the distal end surface of the lip, and the thickness of each of the thin wall portions is adjusted. A sealing device for a rolling bearing, characterized by having a thickness that can be elastically deformed in accordance with fluctuations in internal pressure of the bearing.
JP1986081338U 1986-05-29 1986-05-29 Expired JPH0442572Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986081338U JPH0442572Y2 (en) 1986-05-29 1986-05-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986081338U JPH0442572Y2 (en) 1986-05-29 1986-05-29

Publications (2)

Publication Number Publication Date
JPS62194215U true JPS62194215U (en) 1987-12-10
JPH0442572Y2 JPH0442572Y2 (en) 1992-10-08

Family

ID=30932985

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986081338U Expired JPH0442572Y2 (en) 1986-05-29 1986-05-29

Country Status (1)

Country Link
JP (1) JPH0442572Y2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS647918U (en) * 1987-07-03 1989-01-17
JPH01158824U (en) * 1988-04-25 1989-11-02
JP2005163900A (en) * 2003-12-02 2005-06-23 Koyo Seiko Co Ltd Rolling bearing
JP2008051284A (en) * 2006-08-28 2008-03-06 Nsk Ltd Sealing device for bearing unit and bearing unit
JP2008106844A (en) * 2006-10-25 2008-05-08 Koyo Sangyo Kk Gas cock
JP2011047468A (en) * 2009-08-27 2011-03-10 Ntn Corp Sealed rolling bearing
WO2016104556A1 (en) * 2014-12-25 2016-06-30 日本精工株式会社 Air-turbine bearing unit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6077818U (en) * 1983-10-31 1985-05-30 光洋精工株式会社 Rolling bearing sealing device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6077818U (en) * 1983-10-31 1985-05-30 光洋精工株式会社 Rolling bearing sealing device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS647918U (en) * 1987-07-03 1989-01-17
JPH01158824U (en) * 1988-04-25 1989-11-02
JP2005163900A (en) * 2003-12-02 2005-06-23 Koyo Seiko Co Ltd Rolling bearing
JP2008051284A (en) * 2006-08-28 2008-03-06 Nsk Ltd Sealing device for bearing unit and bearing unit
JP2008106844A (en) * 2006-10-25 2008-05-08 Koyo Sangyo Kk Gas cock
JP2011047468A (en) * 2009-08-27 2011-03-10 Ntn Corp Sealed rolling bearing
WO2016104556A1 (en) * 2014-12-25 2016-06-30 日本精工株式会社 Air-turbine bearing unit
JPWO2016104556A1 (en) * 2014-12-25 2017-04-27 日本精工株式会社 Air turbine bearing unit and dental air turbine handpiece
US10117724B2 (en) 2014-12-25 2018-11-06 Nsk Ltd. Bearing unit for air turbine

Also Published As

Publication number Publication date
JPH0442572Y2 (en) 1992-10-08

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