JPH0355922U - - Google Patents

Info

Publication number
JPH0355922U
JPH0355922U JP1989117082U JP11708289U JPH0355922U JP H0355922 U JPH0355922 U JP H0355922U JP 1989117082 U JP1989117082 U JP 1989117082U JP 11708289 U JP11708289 U JP 11708289U JP H0355922 U JPH0355922 U JP H0355922U
Authority
JP
Japan
Prior art keywords
ring
sealing
slinger
lip
raceway
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
Application number
JP1989117082U
Other languages
Japanese (ja)
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 JP1989117082U priority Critical patent/JPH0355922U/ja
Publication of JPH0355922U publication Critical patent/JPH0355922U/ja
Pending 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
    • F16C33/76—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
    • F16C33/7859—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 further sealing element
    • F16C33/7863—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 further sealing element mounted to the inner race, e.g. a flinger to use centrifugal effect
    • 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
    • F16C33/7859—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 further sealing element
    • F16C33/7866—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 further sealing element with sealing lips
    • 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
    • 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)

Description

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

第１図は本考案の転がり軸受の密封装置の縦断
正面図、第２図は第１図の要部拡大図、第３図は
本考案の他の実施例を示す要部拡大図、第４図は
従来の密封型転がり軸受の要部拡大図である。 符号の説明、１１，１２……軌道輪（外輪）、
１３……密封板、１２１……外側周面、１２３…
…外側壁、１２４……内側壁、１３２……くびれ
部、１３３……外側リツプ、１３４……内側リツ
プ、１３５……弾性膨大部、１４，１７……スリ
ンガー、１４１……自由端、１４２……湾曲部、
Ｖ……シール間隙。 Fig. 1 is a longitudinal sectional front view of a sealing device for a rolling bearing according to the present invention, Fig. 2 is an enlarged view of the main part of Fig. 1, Fig. 3 is an enlarged view of the main part showing another embodiment of the present invention, and Fig. 4 is an enlarged view of the main part of Fig. 1. The figure is an enlarged view of the main parts of a conventional sealed rolling bearing. Explanation of symbols, 11, 12... Raceway ring (outer ring),
13...Sealing plate, 121...Outer peripheral surface, 123...
...outer wall, 124...inner wall, 132...constriction, 133...outer lip, 134...inner lip, 135...elastic ampullae, 14, 17...slinger, 141...free end, 142... ...curved part,
V...Seal gap.

Claims (1)

【実用新案登録請求の範囲】 (1) 内・外輪のいずれか一方の軌道輪に固定さ
れて他方の軌道輪との間を密封する密封板を有す
る転がり軸受の密封装置において、前記一方の軌
道輪に固定された密封板の反固定側の周縁部には
、肉厚を薄くしたくびれ部と、該くびれ部に続き
、少なくとも軸方向の外方に向かつて延びた外側
リツプと軸方向の内方に向つて延びた内側リツプ
とを有する弾性シール部が形成されており、該外
側リツプが、他方の軌道輪の周面に形成された断
面略Ｕ字状の周溝の外側周面と接し、内側リツプ
が周溝の内周壁と接しており、前記密封板の外側
壁とシール間隙をもつてスリンガーが前記他方の
軌道輪か回転輪のいずれか一方に装着されてなる
ことを特徴とする転がり軸受の密封装置。 (2) 実用新案登録請求の範囲第１項において、
内輪に装着されたスリンガーの自由端は密封板の
肉厚を薄くしたくびれ部に対応する湾曲部が形成
されていることを特徴とする転がり軸受の密封装
置。 (3) 実用新案登録請求の範囲第１項において、
スリンガーが内輪の外側周面に形成された段部に
装着され、該スリンガーの自由端は肉厚を薄くし
たくびれ部に対応する湾曲部が形成されているこ
とを特徴とする転がり軸受の密封装置。[Claims for Utility Model Registration] (1) In a sealing device for a rolling bearing having a sealing plate fixed to one of the inner and outer raceways and sealing between the raceway and the other raceway, The peripheral edge of the sealing plate fixed to the ring on the opposite side has a constricted part with a thinner wall, an outer lip that extends at least axially outward, and an axially inner lip that continues from the constricted part. An elastic seal portion is formed having an inner lip extending in the direction, and the outer lip is in contact with the outer circumferential surface of a circumferential groove having a substantially U-shaped cross section formed on the circumferential surface of the other raceway ring. , the inner lip is in contact with the inner circumferential wall of the circumferential groove, and the slinger is attached to either the other raceway ring or the rotating ring with a sealing gap between the inner lip and the outer wall of the sealing plate. Sealing device for rolling bearings. (2) In paragraph 1 of the claims for utility model registration,
A sealing device for a rolling bearing, characterized in that a free end of a slinger attached to an inner ring is formed with a curved part corresponding to a narrowed part of a sealing plate. (3) In paragraph 1 of the claims for utility model registration,
A sealing device for a rolling bearing, characterized in that a slinger is attached to a stepped portion formed on the outer circumferential surface of an inner ring, and a free end of the slinger is formed with a curved portion corresponding to a narrowed portion with a reduced wall thickness. .
JP1989117082U 1989-10-06 1989-10-06 Pending JPH0355922U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989117082U JPH0355922U (en) 1989-10-06 1989-10-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989117082U JPH0355922U (en) 1989-10-06 1989-10-06

Publications (1)

Publication Number Publication Date
JPH0355922U true JPH0355922U (en) 1991-05-29

Family

ID=31665321

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989117082U Pending JPH0355922U (en) 1989-10-06 1989-10-06

Country Status (1)

Country Link
JP (1) JPH0355922U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012007688A (en) * 2010-06-25 2012-01-12 Nsk Ltd Sealed rolling bearing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012007688A (en) * 2010-06-25 2012-01-12 Nsk Ltd Sealed rolling bearing

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