JPH03100046U - - Google Patents
Info
- Publication number
- JPH03100046U JPH03100046U JP636490U JP636490U JPH03100046U JP H03100046 U JPH03100046 U JP H03100046U JP 636490 U JP636490 U JP 636490U JP 636490 U JP636490 U JP 636490U JP H03100046 U JPH03100046 U JP H03100046U
- Authority
- JP
- Japan
- Prior art keywords
- diameter end
- bearing
- labyrinth gap
- small diameter
- large diameter
- 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
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第１図は本考案のシール構造を研削盤の回転ス
ピンドルに適用した一実施例を示す縦断側面図、
第２図は要部拡大断面図である。
１……回転軸、２……軸受ハウジング、３，４
，５……転がり軸受、６……前蓋部材、７……前
部軸受押えナツト部材、９……後蓋部材、１０…
…後部軸受押えナツト部材、１２，１５……円錐
状のラビリンス隙間、１３，１３ａ，１６，１６
ａ……空気通路。
FIG. 1 is a longitudinal sectional side view showing an embodiment in which the seal structure of the present invention is applied to a rotating spindle of a grinding machine;
FIG. 2 is an enlarged sectional view of the main part. 1... Rotating shaft, 2... Bearing housing, 3, 4
, 5... Rolling bearing, 6... Front cover member, 7... Front bearing holding nut member, 9... Rear cover member, 10...
... Rear bearing holding nut member, 12, 15 ... Conical labyrinth gap, 13, 13a, 16, 16
a...Air passage.
Claims (1)
間に、小径端側を軸受部の内方側に、大径端側を
軸受部の外方側に向けた円錐状のラビリンス隙間
を形成し、このラビリンス隙間の小径端側から大
径端側に向けて圧縮空気を供給せしめたことを特
徴とするシール構造。 A conical labyrinth gap is formed between the member on the rotating shaft side and the member on the bearing housing side, with the small diameter end facing inward of the bearing and the large diameter end facing outside the bearing. A seal structure characterized in that compressed air is supplied from the small diameter end side to the large diameter end side of the labyrinth gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP636490U JPH0742594Y2 (en) | 1990-01-26 | 1990-01-26 | Seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP636490U JPH0742594Y2 (en) | 1990-01-26 | 1990-01-26 | Seal structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03100046U true JPH03100046U (en) | 1991-10-18 |
| JPH0742594Y2 JPH0742594Y2 (en) | 1995-10-04 |
Family
ID=31510039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP636490U Expired - Fee Related JPH0742594Y2 (en) | 1990-01-26 | 1990-01-26 | Seal structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0742594Y2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010076045A (en) * | 2008-09-26 | 2010-04-08 | Brother Ind Ltd | Spindle unit for machine tool |
| JP2010076046A (en) * | 2008-09-26 | 2010-04-08 | Brother Ind Ltd | Spindle unit for machine tool |
| JP2010131716A (en) * | 2008-12-05 | 2010-06-17 | Komatsu Ntc Ltd | Main spindle device |
| KR20130085679A (en) * | 2012-01-20 | 2013-07-30 | 두산인프라코어 주식회사 | Spindle having coolant inflowing preventing structure |
| CN110127196A (en) * | 2019-05-01 | 2019-08-16 | 威海世椿自动化设备有限公司 | A kind of sealing device of charging basket |
-
1990
- 1990-01-26 JP JP636490U patent/JPH0742594Y2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010076045A (en) * | 2008-09-26 | 2010-04-08 | Brother Ind Ltd | Spindle unit for machine tool |
| JP2010076046A (en) * | 2008-09-26 | 2010-04-08 | Brother Ind Ltd | Spindle unit for machine tool |
| JP2010131716A (en) * | 2008-12-05 | 2010-06-17 | Komatsu Ntc Ltd | Main spindle device |
| KR20130085679A (en) * | 2012-01-20 | 2013-07-30 | 두산인프라코어 주식회사 | Spindle having coolant inflowing preventing structure |
| CN110127196A (en) * | 2019-05-01 | 2019-08-16 | 威海世椿自动化设备有限公司 | A kind of sealing device of charging basket |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0742594Y2 (en) | 1995-10-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |