JPH02110760U - - Google Patents
Info
- Publication number
- JPH02110760U JPH02110760U JP1989019815U JP1981589U JPH02110760U JP H02110760 U JPH02110760 U JP H02110760U JP 1989019815 U JP1989019815 U JP 1989019815U JP 1981589 U JP1981589 U JP 1981589U JP H02110760 U JPH02110760 U JP H02110760U
- Authority
- JP
- Japan
- Prior art keywords
- lip
- members
- lip member
- rubber
- circumferential 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 239000013013 elastic material Substances 0.000 claims 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Description
第１図は本考案の一実施例を示す装着状態の半
裁断面図、第２図は試験結果のグラフ、第３図は
従来例を示す装着状態の半裁断面図である。
１……金属ケース、３，４……リツプ部材、５
……スペーサ、６……ゴム材、７……金属補強環
、９……バツクアツプ部、１０……第３のリツプ
部材、１４……グリース、１６……ハウジング、
１８……シヤフト。
FIG. 1 is a half-cut sectional view showing an embodiment of the present invention in a fitted state, FIG. 2 is a graph of test results, and FIG. 3 is a half-cut sectional view showing a conventional example in a fitted state. 1... Metal case, 3, 4... Lip member, 5
... Spacer, 6 ... Rubber material, 7 ... Metal reinforcing ring, 9 ... Backup section, 10 ... Third lip member, 14 ... Grease, 16 ... Housing,
18...Shaft.
Claims (1)
る金属ケースの内周に、内端がシヤフトの外周面
と摺接し、ＰＴＦＥなどの合成樹脂材からなる２
枚のリツプ部材を軸方向に並んだ状態に固着する
とともに、該両リツプ部材の外周部間に、補強環
を埋設したゴム等の弾性材からなるスペーサを介
在させ、該スペーサは、前記両リツプ部材のうち
密封空間側のリツプ部材に対するバツクアツプ部
を有し、このバツクアツプ部の内周に、ゴム等の
弾性材からなる第３のリツプ部材を設けたことを
特徴とするリツプシール。 ２ 密封空間側のリツプ部材と第３のリツプ部材
との間に、グリースを封入したことを特徴とする
請求項１に記載のリツプシール。[Claims for Utility Model Registration] 1. A metal case that is airtightly fixed to the inner circumferential surface of the shaft hole of the housing, the inner end of which is in sliding contact with the outer circumferential surface of the shaft, and which is made of a synthetic resin material such as PTFE.2
A spacer made of an elastic material such as rubber and having a reinforcing ring embedded therein is interposed between the outer peripheries of the two lip members, and the spacer is connected to the two lip members. A lip seal characterized in that it has a back-up portion for the lip member on the side of the sealed space among the members, and a third lip member made of an elastic material such as rubber is provided on the inner periphery of the back-up portion. 2. The lip seal according to claim 1, wherein grease is sealed between the lip member on the side of the sealed space and the third lip member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989019815U JPH0721969Y2 (en) | 1989-02-22 | 1989-02-22 | Lip seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989019815U JPH0721969Y2 (en) | 1989-02-22 | 1989-02-22 | Lip seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02110760U true JPH02110760U (en) | 1990-09-05 |
| JPH0721969Y2 JPH0721969Y2 (en) | 1995-05-17 |
Family
ID=31235656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989019815U Expired - Lifetime JPH0721969Y2 (en) | 1989-02-22 | 1989-02-22 | Lip seal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0721969Y2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0665663U (en) * | 1991-09-14 | 1994-09-16 | 内山工業株式会社 | Oil seal |
| JP2001153232A (en) * | 1999-11-29 | 2001-06-08 | Mitsubishi Cable Ind Ltd | Rotating shaft seal |
| JP2001193843A (en) * | 2000-01-06 | 2001-07-17 | Mitsubishi Cable Ind Ltd | Rotating shaft seal |
| CN113551038A (en) * | 2021-08-05 | 2021-10-26 | 北京恩萨工程技术有限公司 | Metal combination dust ring in dangerous useless field |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50101760U (en) * | 1974-01-26 | 1975-08-22 | ||
| JPS6382865U (en) * | 1986-11-18 | 1988-05-31 | ||
| JPS63312569A (en) * | 1987-06-15 | 1988-12-21 | Nippon Pillar Packing Co Ltd | Oil seal |
-
1989
- 1989-02-22 JP JP1989019815U patent/JPH0721969Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50101760U (en) * | 1974-01-26 | 1975-08-22 | ||
| JPS6382865U (en) * | 1986-11-18 | 1988-05-31 | ||
| JPS63312569A (en) * | 1987-06-15 | 1988-12-21 | Nippon Pillar Packing Co Ltd | Oil seal |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0665663U (en) * | 1991-09-14 | 1994-09-16 | 内山工業株式会社 | Oil seal |
| JP2001153232A (en) * | 1999-11-29 | 2001-06-08 | Mitsubishi Cable Ind Ltd | Rotating shaft seal |
| JP2001193843A (en) * | 2000-01-06 | 2001-07-17 | Mitsubishi Cable Ind Ltd | Rotating shaft seal |
| CN113551038A (en) * | 2021-08-05 | 2021-10-26 | 北京恩萨工程技术有限公司 | Metal combination dust ring in dangerous useless field |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0721969Y2 (en) | 1995-05-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |