JPH02110764U - - Google Patents
Info
- Publication number
- JPH02110764U JPH02110764U JP2071389U JP2071389U JPH02110764U JP H02110764 U JPH02110764 U JP H02110764U JP 2071389 U JP2071389 U JP 2071389U JP 2071389 U JP2071389 U JP 2071389U JP H02110764 U JPH02110764 U JP H02110764U
- Authority
- JP
- Japan
- Prior art keywords
- rotating
- cover
- attached
- outer circumferential
- center
- 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
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001936 parietal effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第１図ないし第４図は本考案のラビリンスシー
ル構造をそれぞれ示し、第１図は主軸回転部の断
面図、第２図は第１図における―線の主軸と
スリンガの断面図、第３図は回転リングにおける
流体の流れの原理図、第４図は従来例図を示す。
図において、１……主軸（回転部）、２……ス
リンガ（回転リング）、２ａ……屈曲部、２ｂ…
…立上り部、２ｃ……テーパ部、２ｄ……頭頂部
、３……公知スリンガ、３ａ……屈曲部、３ｂ…
…頭頂部、２０……固定部材、２３……フロント
カバー、２４……固定リング、３０，３１……シ
ール溝、３２……ラビリンス、３３……排出口、
Ｌ……ラビリンスシール構造。
Figures 1 to 4 show the labyrinth seal structure of the present invention, with Figure 1 being a cross-sectional view of the main shaft rotating part, Figure 2 being a cross-sectional view of the main shaft and slinger along the - line in Figure 1, and Figure 3 being a cross-sectional view of the main shaft and the slinger. 4 shows a diagram of the principle of fluid flow in a rotating ring, and FIG. 4 shows a conventional example. In the figure, 1...Main shaft (rotating part), 2...Slinger (rotating ring), 2a...Bending part, 2b...
...Rising portion, 2c... Tapered portion, 2d... Parietal portion, 3... Known slinger, 3a... Bent portion, 3b...
...Top of head, 20...Fixing member, 23...Front cover, 24...Fixing ring, 30, 31...Seal groove, 32...Labyrinth, 33...Exhaust port,
L...Labyrinth seal structure.
Claims (1)
けられ回転体側に取付けられた回転リングと固定
側に取付けられたカバーとで構成されたラビリン
スシール構造であつて、前記回転リングは断面を
中間に凹部を有する対称形のツリー形状としまた
回転外周端を両側部より中央部に向つて先細形状
としかつ該外周端の一端に部分切欠き部をもつて
構成し、前記カバーは、前記回転リング形状の全
周にわたつて所定の隙間で離間して機械の固定部
に着脱自在に取付け可能としかつ一端に前記隙間
に連通し外部へ貫通する穴をもつて構成すること
を特徴とするラビリンスシール構造。 A labyrinth seal structure consisting of a rotating ring provided on the rotating part and attached to the rotating body side in order to seal the rotating part of the machine, and a cover attached to the stationary side, the rotating ring having a cross section in the middle. The cover has a symmetrical tree shape with a concave portion at the center, and has a rotating outer circumferential end tapered from both sides toward the center, and has a partial cutout at one end of the outer circumferential end, and the cover A labyrinth seal that can be detachably attached to a fixed part of a machine with a predetermined gap spaced around the entire circumference of the shape, and has a hole at one end that communicates with the gap and penetrates to the outside. structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2071389U JPH02110764U (en) | 1989-02-23 | 1989-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2071389U JPH02110764U (en) | 1989-02-23 | 1989-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02110764U true JPH02110764U (en) | 1990-09-05 |
Family
ID=31237313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2071389U Pending JPH02110764U (en) | 1989-02-23 | 1989-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02110764U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0496676U (en) * | 1991-01-31 | 1992-08-21 | ||
| JPH04255391A (en) * | 1991-02-06 | 1992-09-10 | Fuji Photo Film Co Ltd | Recording material and image formation using same |
| JPH04255656A (en) * | 1991-01-30 | 1992-09-10 | Hitachi Ltd | Electromagnetic coil |
| JPH04125502U (en) * | 1991-04-25 | 1992-11-16 | オークマ株式会社 | Waterproof structure of rotating shaft |
| JPH07299606A (en) * | 1994-04-28 | 1995-11-14 | Hitachi Koki Co Ltd | Bearing dustproof structure |
| JPH11315843A (en) * | 1998-05-06 | 1999-11-16 | Nachi Fujikoshi Corp | Shaft seal device |
| JP2018184955A (en) * | 2017-04-26 | 2018-11-22 | プファイファー・ヴァキューム・ゲーエムベーハー | Vacuum pump |
| WO2023209933A1 (en) * | 2022-04-28 | 2023-11-02 | 三菱電機株式会社 | Bearing unit and gearing |
-
1989
- 1989-02-23 JP JP2071389U patent/JPH02110764U/ja active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04255656A (en) * | 1991-01-30 | 1992-09-10 | Hitachi Ltd | Electromagnetic coil |
| JPH0496676U (en) * | 1991-01-31 | 1992-08-21 | ||
| JPH04255391A (en) * | 1991-02-06 | 1992-09-10 | Fuji Photo Film Co Ltd | Recording material and image formation using same |
| JPH04125502U (en) * | 1991-04-25 | 1992-11-16 | オークマ株式会社 | Waterproof structure of rotating shaft |
| JPH07299606A (en) * | 1994-04-28 | 1995-11-14 | Hitachi Koki Co Ltd | Bearing dustproof structure |
| JPH11315843A (en) * | 1998-05-06 | 1999-11-16 | Nachi Fujikoshi Corp | Shaft seal device |
| JP2018184955A (en) * | 2017-04-26 | 2018-11-22 | プファイファー・ヴァキューム・ゲーエムベーハー | Vacuum pump |
| WO2023209933A1 (en) * | 2022-04-28 | 2023-11-02 | 三菱電機株式会社 | Bearing unit and gearing |