JPS6389430U - - Google Patents
Info
- Publication number
- JPS6389430U JPS6389430U JP18475786U JP18475786U JPS6389430U JP S6389430 U JPS6389430 U JP S6389430U JP 18475786 U JP18475786 U JP 18475786U JP 18475786 U JP18475786 U JP 18475786U JP S6389430 U JPS6389430 U JP S6389430U
- Authority
- JP
- Japan
- Prior art keywords
- outer diameter
- ring
- flange
- small gap
- diameter surface
- 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
- 239000011553 magnetic fluid Substances 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims 2
- 230000001050 lubricating effect Effects 0.000 claims 2
- 238000007789 sealing Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 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
- F16C33/762—Sealings of ball or roller bearings by means of a fluid
- F16C33/763—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap
- F16C33/765—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap by a magnetic field
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第１図はこの考案にかかる実施例の密封型ころ
がり軸受を示す縦断面図、第２図は体１図におけ
る円内の要部を拡大して示す同縦断面図、第３図
は同要部の変形例を示す縦断面図、第４図および
第５図はそれぞれ同要部の磁石リング部材の変形
例を示す縦断面図、第６図ないし第１１図は他の
実施例の密封型ころがり軸受の要部を示す縦断面
図である。
５……磁性流体シール、６……シートリング、
７……シール環体、８……磁石リング、９……磁
性流体、Ｌ……小間隙。
Fig. 1 is a longitudinal cross-sectional view showing a sealed rolling bearing according to an embodiment of the invention, Fig. 2 is an enlarged longitudinal cross-sectional view showing the main part within the circle in Fig. 1, and Fig. 3 is the same main part. FIGS. 4 and 5 are longitudinal sectional views showing modifications of the magnet ring member of the same main part, and FIGS. 6 to 11 are sealed types of other embodiments. FIG. 3 is a vertical cross-sectional view showing the main parts of the rolling bearing. 5...Magnetic fluid seal, 6...Seat ring,
7...Seal ring body, 8...Magnetic ring, 9...Magnetic fluid, L...Small gap.
Claims (1)
もに、軸受内部に潤滑グリースが封入されてなる
密封型のものであつて、前記両シール部のうち少
なくとも一方は、外径部が外輪に固着され内径部
に軸方向内方に延びるフランジを有するシール環
体と、該シール環体のフランジの内径面に外径面
を小隙間をもつて対向させて内輪に嵌合された磁
石リングと、シール環体のフランジの内径面と磁
石リングの外径面との小間隙の磁場に保持された
磁性流体と、前記小間隙の軸方向内側を封止すべ
く内輪に固定され前記フランジの外径に等しいか
または前記フランジの外径より小さい外径を有す
る潤滑グリース封止用シートリングとを備えたこ
とを特徴とする密封型ころがり軸受。 The bearing is a sealed type in which seals are provided on both sides in the axial direction, and lubricating grease is sealed inside the bearing, and at least one of the two seals has an outer diameter fixed to the outer ring and an inner diameter a seal ring body having a flange extending axially inward at a portion thereof; a magnet ring fitted into the inner ring with an outer diameter surface facing the inner diameter surface of the flange of the seal ring body with a small gap; A magnetic fluid is held in a magnetic field in a small gap between the inner diameter surface of the flange of the body and the outer diameter surface of the magnet ring, and a magnetic fluid is fixed to the inner ring and is equal to the outer diameter of the flange in order to seal the inside of the small gap in the axial direction. or a lubricating grease sealing seat ring having an outer diameter smaller than the outer diameter of the flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18475786U JPS6389430U (en) | 1986-11-28 | 1986-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18475786U JPS6389430U (en) | 1986-11-28 | 1986-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6389430U true JPS6389430U (en) | 1988-06-10 |
Family
ID=31132736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18475786U Pending JPS6389430U (en) | 1986-11-28 | 1986-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6389430U (en) |
-
1986
- 1986-11-28 JP JP18475786U patent/JPS6389430U/ja active Pending