JPH0248674U - - Google Patents
Info
- Publication number
- JPH0248674U JPH0248674U JP1988128382U JP12838288U JPH0248674U JP H0248674 U JPH0248674 U JP H0248674U JP 1988128382 U JP1988128382 U JP 1988128382U JP 12838288 U JP12838288 U JP 12838288U JP H0248674 U JPH0248674 U JP H0248674U
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- housing
- oil
- tight seal
- annular groove
- 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
- 239000002783 friction material Substances 0.000 claims 1
Description
第１図は本考案の一実施例に係る油密シールの
要部を回動軸との関係で示す縦断面図、第２図は
第１図のものの自由時における摺接面の状態を拡
大して示す断面図、第３図は従来の油密シールを
示す第１図相当図、第４図は油密シールが用いら
れている機器の一例として動力舵取装置を示す縦
断面図である。
２……ハウジング、５……出力軸（回動軸）、
６……蓋状ハウジング（ハウジング）、８ａ……
内リツプ部、８ｂ……外リツプ部、８ｃ……基部
、８ｄ……環状溝、８ｅ，８ｆ……摺接面、９…
…バツクアツプリング、１０……油密シール。
Fig. 1 is a longitudinal sectional view showing the main parts of an oil-tight seal according to an embodiment of the present invention in relation to the rotation axis, and Fig. 2 is an enlarged view of the state of the sliding surface of Fig. 1 when it is free. FIG. 3 is a sectional view corresponding to FIG. 1 showing a conventional oil-tight seal, and FIG. 4 is a longitudinal sectional view showing a power steering device as an example of equipment in which an oil-tight seal is used. . 2...Housing, 5...Output shaft (rotation shaft),
6...Lid-shaped housing (housing), 8a...
Inner lip portion, 8b... Outer lip portion, 8c... Base, 8d... Annular groove, 8e, 8f... Sliding surface, 9...
...back spring, 10...oil tight seal.
Claims (1)
内外リツプ部の交点となる基部の内周に嵌着され
た低摩擦材から成るバツクアツプリングを有し、
ハウジングとこれに貫通支持された回動軸との間
に圧入蓄勢されて内外リツプ部の互いに外向きの
復帰力によりハウジングと回動軸との間を密封す
る油密シールにおいて、上記内リツプ部の上記回
動軸と摺接する内面に環状溝を設け、この環状溝
を介し摺接面が軸方向複数個所に形成されるよう
にして回動軸との接触面積が小さくなるよう構成
したことを特徴とする油密シール。 It has curved annular inner and outer lips, and a back-up spring made of a low-friction material fitted to the inner periphery of the base at the intersection of these inner and outer lips,
In an oil-tight seal that is press-fitted between a housing and a rotating shaft supported through the housing, and seals between the housing and the rotating shaft by the mutually outward returning force of the inner and outer lip parts, the inner lip An annular groove is provided on the inner surface of the part that makes sliding contact with the rotating shaft, and sliding surfaces are formed at multiple locations in the axial direction through the annular groove, so that the contact area with the rotating shaft is reduced. An oil-tight seal featuring
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988128382U JPH0248674U (en) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988128382U JPH0248674U (en) | 1988-09-30 | 1988-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0248674U true JPH0248674U (en) | 1990-04-04 |
Family
ID=31381672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988128382U Pending JPH0248674U (en) | 1988-09-30 | 1988-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0248674U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5926669A (en) * | 1982-08-04 | 1984-02-10 | Sakagami Seisakusho:Kk | Composite packing |
-
1988
- 1988-09-30 JP JP1988128382U patent/JPH0248674U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5926669A (en) * | 1982-08-04 | 1984-02-10 | Sakagami Seisakusho:Kk | Composite packing |