JPS63170616U - - Google Patents
Info
- Publication number
- JPS63170616U JPS63170616U JP1987064852U JP6485287U JPS63170616U JP S63170616 U JPS63170616 U JP S63170616U JP 1987064852 U JP1987064852 U JP 1987064852U JP 6485287 U JP6485287 U JP 6485287U JP S63170616 U JPS63170616 U JP S63170616U
- Authority
- JP
- Japan
- Prior art keywords
- dust lip
- core metal
- seal body
- sleeve
- extension part
- 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
Links
- 239000000428 dust Substances 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 2
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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Description
第１図は本考案の実施例を示すころがり軸受用
密封装置の半部断面図であり、第２図は従来例の
半部断面図である。
１０……スリーブ、１１……シール本体、１２
……外側フランジ、１３……芯金、１４……シー
ル部材、１４ａ……薄肉部、１４ｂ……延出部、
１５……第１ダストリツプ、１６……第２ダスト
リツプ、１７……スプリング、４０……ころがり
軸受、４１……外輪、４２……内輪。
FIG. 1 is a half sectional view of a sealing device for a rolling bearing showing an embodiment of the present invention, and FIG. 2 is a half sectional view of a conventional example. 10... Sleeve, 11... Seal body, 12
... Outer flange, 13 ... Core metal, 14 ... Seal member, 14a ... Thin wall part, 14b ... Extension part,
15...first dust strip, 16...second dust strip, 17...spring, 40...rolling bearing, 41...outer ring, 42...inner ring.
Claims (1)
環状のスリーブと、その外輪の内周面に取りつけ
られる環状のシール本体とを備えたころがり軸受
用密封装置であつて、 前記スリーブには、前記シール本体の軸方向外
側で起立する外側フランジを設ける一方、前記シ
ール本体には、芯金と、この芯金の径方向内側に
装着されたシール部材とを設け、 かつ、このシール部材に、前記芯金の軸方向内
端部から薄肉部を介して径方向に引き出された延
出部を設け、この延出部の軸方向外端部に前記外
側フランジの内側面に摺接する第１ダストリツプ
を形成するとともに、その軸方向中途部に前記ス
リーブの外周面に摺接する第２ダストリツプを形
成し、この第２ダストリツプを締めつけ付勢する
スプリングを前記延出部の外周部に設けたことを
特徴とするころがり軸受用密封装置。[Claims for Utility Model Registration] A sealing device for a rolling bearing, comprising: an annular sleeve attached to the outer circumferential surface of an inner ring of a rolling bearing; and an annular seal body attached to the inner circumferential surface of the outer ring, comprising: The sleeve is provided with an outer flange that stands up on the axial outside of the seal body, and the seal body is provided with a core metal and a seal member mounted on the radially inner side of the core metal, and The sealing member is provided with an extension part drawn out in the radial direction from the inner end part in the axial direction of the core metal through the thin wall part, and the outer end part in the axial direction of the extension part is slidable on the inner surface of the outer flange. A first dust lip is formed in contact with the first dust lip, and a second dust lip is formed in the axially intermediate portion of the first dust lip in sliding contact with the outer peripheral surface of the sleeve, and a spring is provided on the outer peripheral part of the extension part to tighten and bias the second dust lip. A sealing device for rolling bearings characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987064852U JPS63170616U (en) | 1987-04-27 | 1987-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987064852U JPS63170616U (en) | 1987-04-27 | 1987-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63170616U true JPS63170616U (en) | 1988-11-07 |
Family
ID=30901388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987064852U Pending JPS63170616U (en) | 1987-04-27 | 1987-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63170616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019074102A (en) * | 2017-10-12 | 2019-05-16 | Ntn株式会社 | Bearing device for wheel |
-
1987
- 1987-04-27 JP JP1987064852U patent/JPS63170616U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019074102A (en) * | 2017-10-12 | 2019-05-16 | Ntn株式会社 | Bearing device for wheel |