JPH0480971U - - Google Patents
Info
- Publication number
- JPH0480971U JPH0480971U JP12244990U JP12244990U JPH0480971U JP H0480971 U JPH0480971 U JP H0480971U JP 12244990 U JP12244990 U JP 12244990U JP 12244990 U JP12244990 U JP 12244990U JP H0480971 U JPH0480971 U JP H0480971U
- Authority
- JP
- Japan
- Prior art keywords
- rotating sleeve
- casing
- teeth
- rotating
- floating ring
- 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 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第1図は本考案の軸封装置の一実施例を示す縦
断面図、第2図は第1図のA−A断面並びにB−
B断面を示す図、第3図は本考案の作用を説明す
るための原理図、第4図は従来技術の構成を説明
するための縦断面図、第5図はガイド軸受の動圧
効果を示す原理図である。
1……回転軸、2……回転スリーブ、13……
永久磁石、14……磁性流体、15……磁路テー
ス、16……フローテイングリング、17……耐
摩耗材、18……ケーシング、19……弾性体、
20……シール隙間、21……フローテイング隙
間、22……ケーシング隙間、23……間隔片。
FIG. 1 is a longitudinal cross-sectional view showing an embodiment of the shaft sealing device of the present invention, and FIG. 2 is a cross-sectional view taken along the lines AA and B-
3 is a diagram showing the principle of operation of the present invention, FIG. 4 is a longitudinal sectional view showing the configuration of the prior art, and FIG. 5 is a diagram showing the dynamic pressure effect of the guide bearing. FIG. 1... Rotating shaft, 2... Rotating sleeve, 13...
Permanent magnet, 14... Magnetic fluid, 15... Magnetic path teeth, 16... Floating ring, 17... Wear-resistant material, 18... Casing, 19... Elastic body,
20... Seal gap, 21... Floating gap, 22... Casing gap, 23... Spacing piece.
Claims (1)
スリーブの外周に配設されたケーシングと、この
ケーシング内に弾性リングを介して設けられ前記
回転スリーブとの対向面に耐摩耗処理が施された
フローテイングリングと、このフローテイングリ
ングの内側に前記回転スリーブと所定の隙間を形
成させて設けられ永久磁石を介挿させたテイース
とを備え、前記回転スリーブとテイースとの隙間
に磁性流体を介在させたことを特徴とする軸封装
置。 A rotating sleeve fitted to a rotating shaft, a casing disposed around the outer periphery of the rotating sleeve, and an elastic ring provided within the casing and having a wear-resistant treatment applied to the surface facing the rotating sleeve. A floating ring, teeth provided inside the floating ring with a predetermined gap formed between the rotating sleeve and a permanent magnet inserted therein, and a magnetic fluid interposed in the gap between the rotating sleeve and the teeth. A shaft sealing device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12244990U JPH0480971U (en) | 1990-11-26 | 1990-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12244990U JPH0480971U (en) | 1990-11-26 | 1990-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0480971U true JPH0480971U (en) | 1992-07-14 |
Family
ID=31870230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12244990U Pending JPH0480971U (en) | 1990-11-26 | 1990-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0480971U (en) |
-
1990
- 1990-11-26 JP JP12244990U patent/JPH0480971U/ja active Pending