JPH0346021U - - Google Patents
Info
- Publication number
- JPH0346021U JPH0346021U JP1989106859U JP10685989U JPH0346021U JP H0346021 U JPH0346021 U JP H0346021U JP 1989106859 U JP1989106859 U JP 1989106859U JP 10685989 U JP10685989 U JP 10685989U JP H0346021 U JPH0346021 U JP H0346021U
- Authority
- JP
- Japan
- Prior art keywords
- annular
- radial
- lip
- sealing lip
- annular plate
- 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
Links
- 238000007789 sealing Methods 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
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
- F16C33/7869—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
-
- 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
Description
第１図は本考案の一実施例に係る密封装置の上
側半分を示した半断面図、第２図は従来例の密封
装置の上側半分を示した半断面図である。
１０……外輪、１１……内輪、２０……第１環
体、２１……外側筒状部、２２……径方向環状板
部、３０……第２環体、３１……内側筒状部、３
２……径方向環状板部、３４……環状隆起部、３
４Ａ……環状隆起部の外側周面、３４Ｂ……環状
隆起部の内側周面、４０……シール部材、４１…
…第１ダストシーリングリツプ、４２……第２ダ
ストシーリングリツプ、４３……第１オイルシー
リングリツプ、４４……第２オイルシーリングリ
ツプ、１２〜１４……グリース。
FIG. 1 is a half sectional view showing the upper half of a sealing device according to an embodiment of the present invention, and FIG. 2 is a half sectional view showing the upper half of a conventional sealing device. DESCRIPTION OF SYMBOLS 10... Outer ring, 11... Inner ring, 20... First annular body, 21... Outer cylindrical part, 22... Radial annular plate part, 30... Second annular body, 31... Inner cylindrical part ,3
2...Radial annular plate portion, 34...Annular raised portion, 3
4A...Outer circumferential surface of the annular protrusion, 34B...Inner circumferential surface of the annular protrusion, 40...Seal member, 41...
...first dust sealing lip, 42...second dust sealing lip, 43...first oil sealing lip, 44...second oil sealing lip, 12-14...grease.
Claims (1)
材のうちの外側部材に内嵌固定された外側筒状部
およびこの外側筒状部と一体の径方向環状板部か
らなる断面ほぼＬ形の第１環体と、 この第１環体の外側筒状部および径方向環状板
部の各々に対向する状態で内側部材に外嵌固定さ
れた内側筒状部およびこの内側筒状部と一体の径
方向環状板部からなる断面ほぼＬ形の第２環体と
、 前記第１環体に被着され、前記第２環体におけ
る内側筒状部の外周面に弾性圧接された環状のオ
イルシーリングリツプおよび前記第２環体におけ
る径方向環状板部の内側面に弾性圧接された環状
のダストシーリングリツプを有するシール部材と
、 前記第２環体、オイルシーリングリツプおよび
ダストシーリングリツプで囲まれた環状空間部分
に充填されたグリースとを備えた密封装置におい
て、 前記第２環体の径方向環状板部に、前記第１環
体の径方向環状板部側に向けて突出する状態に環
状隆起部が形成されているとともに、 前記シール部材におけるダストシーリングリツ
プが、前記環状隆起部の外側周面にリツプ先端部
が軸受外部側に向いて弾性圧接される第１のダス
トシーリングリツプと、前記環状隆起部の内側周
面にリツプ先端部が軸受内部側に向いて弾性圧接
される第２のダストシーリングリツプとからなつ
ていることを特徴とする密封装置。[Claims for Utility Model Registration] An outer cylindrical portion that is fitted and fixed to the outer member of the members that are arranged concentrically inside and outside the radial direction and rotate relative to each other, and a radial annular plate that is integral with the outer cylindrical portion. a first annular body having a substantially L-shaped cross section, an inner cylindrical part externally fitted and fixed to the inner member in a state facing each of the outer cylindrical part and the radial annular plate part of the first annular body; a second ring body having a substantially L-shaped cross section and consisting of a radial annular plate part integral with the inner cylindrical part; a sealing member having an annular oil sealing lip elastically press-welded and an annular dust sealing lip elastically press-welded to an inner surface of a radial annular plate portion of the second annular body; the second annular body, the oil sealing member; lip and grease filled in an annular space portion surrounded by a dust sealing lip, wherein a radial annular plate portion of the first annular body is attached to a radial annular plate portion of the second annular body. An annular raised portion is formed to protrude toward the outer side of the bearing, and the dust sealing lip of the seal member is elastically pressed against the outer peripheral surface of the annular raised portion with the tip of the lip facing toward the outside of the bearing. and a second dust sealing lip that is elastically pressed against the inner circumferential surface of the annular protrusion with the lip tip facing toward the inside of the bearing. Sealing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989106859U JPH0647136Y2 (en) | 1989-09-12 | 1989-09-12 | Sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989106859U JPH0647136Y2 (en) | 1989-09-12 | 1989-09-12 | Sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0346021U true JPH0346021U (en) | 1991-04-26 |
| JPH0647136Y2 JPH0647136Y2 (en) | 1994-11-30 |
Family
ID=31655579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989106859U Expired - Lifetime JPH0647136Y2 (en) | 1989-09-12 | 1989-09-12 | Sealing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0647136Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002340020A (en) * | 2001-05-15 | 2002-11-27 | Ntn Corp | Rotating transmitting device |
| JP2006125424A (en) * | 2004-10-26 | 2006-05-18 | Nok Corp | Sealing device |
| JP2011503493A (en) * | 2007-11-20 | 2011-01-27 | フェデラル−モーグル コーポレイション | Non-contact labyrinth seal assembly and its construction method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101383269B1 (en) * | 2012-11-16 | 2014-04-08 | 주식회사 일진글로벌 | Encoder seal assembly and wheel bearing using the same for vehicle |
-
1989
- 1989-09-12 JP JP1989106859U patent/JPH0647136Y2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002340020A (en) * | 2001-05-15 | 2002-11-27 | Ntn Corp | Rotating transmitting device |
| JP2006125424A (en) * | 2004-10-26 | 2006-05-18 | Nok Corp | Sealing device |
| JP2011503493A (en) * | 2007-11-20 | 2011-01-27 | フェデラル−モーグル コーポレイション | Non-contact labyrinth seal assembly and its construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0647136Y2 (en) | 1994-11-30 |