JPS6436764U - - Google Patents
Info
- Publication number
- JPS6436764U JPS6436764U JP1987130958U JP13095887U JPS6436764U JP S6436764 U JPS6436764 U JP S6436764U JP 1987130958 U JP1987130958 U JP 1987130958U JP 13095887 U JP13095887 U JP 13095887U JP S6436764 U JPS6436764 U JP S6436764U
- Authority
- JP
- Japan
- Prior art keywords
- annular groove
- pressure oil
- circumferential surface
- packing
- opens
- 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
- 238000007789 sealing Methods 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims 2
- 230000003139 buffering effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 description 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Description
第1図は、本考案の一実施例の断面図、第2図
は、同実施例の作動状況を示す断面図、第3図は
、従来の技術による密封装置の一例の断面図であ
る。
1……ピストンロツド、2……シリンダーカバ
ー、3……ベアリング、4……バツフアリング、
5……Uパツキン、6……ダストシール、7……
シール部材、8……環状溝、9……シールリツプ
、10……内周面、11……外周面、12……バ
ツクリング、13……装着溝。
FIG. 1 is a cross-sectional view of an embodiment of the present invention, FIG. 2 is a cross-sectional view showing the operating state of the same embodiment, and FIG. 3 is a cross-sectional view of an example of a conventional sealing device. 1... Piston rod, 2... Cylinder cover, 3... Bearing, 4... Buff ring,
5...U patchkin, 6...dust seal, 7...
Seal member, 8... annular groove, 9... seal lip, 10... inner circumferential surface, 11... outer circumferential surface, 12... back ring, 13... mounting groove.
Claims (1)
油側へ向けて配置されたUパツキン5と、軸方向
に開口する環状溝8を備え、径方向内方に形成さ
れたシールリツプ9の内周面10及び径方向外側
の外周面11を、前記環状溝8の開口側に向つて
先細となるテーパ面に形成され、前記Uパツキン
5に比して圧力油側に、前記環状溝8の開口側を
圧力油側に向けて配置されたシール部材7及び略
円形の断面形状を呈して前記シール部材7の外周
側に組合わされたバツクリング12よりなるバツ
フアリング4とを有する密封装置。 A U packing 5 is provided with an annular groove having a generally U-shaped cross section that opens in the axial direction and is arranged toward the pressure oil side, and an annular groove 8 that opens in the axial direction and a seal lip 9 that is formed radially inward. The inner circumferential surface 10 and the outer circumferential surface 11 on the outside in the radial direction are formed into tapered surfaces that taper toward the opening side of the annular groove 8, and the annular groove 8 is formed on the pressure oil side compared to the U packing 5. A sealing device comprising: a sealing member 7 disposed with its opening side facing the pressure oil side; and a buffering ring 4 having a substantially circular cross-sectional shape and comprising a buckling 12 assembled on the outer peripheral side of the sealing member 7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987130958U JPS6436764U (en) | 1987-08-28 | 1987-08-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987130958U JPS6436764U (en) | 1987-08-28 | 1987-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6436764U true JPS6436764U (en) | 1989-03-06 |
Family
ID=31386585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987130958U Pending JPS6436764U (en) | 1987-08-28 | 1987-08-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6436764U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011024523A1 (en) * | 2009-08-31 | 2011-03-03 | イーグル工業株式会社 | Contaminant sealing device |
-
1987
- 1987-08-28 JP JP1987130958U patent/JPS6436764U/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011024523A1 (en) * | 2009-08-31 | 2011-03-03 | イーグル工業株式会社 | Contaminant sealing device |
JPWO2011024523A1 (en) * | 2009-08-31 | 2013-01-24 | イーグル工業株式会社 | Contamination seal device |
JP5364727B2 (en) * | 2009-08-31 | 2013-12-11 | イーグル工業株式会社 | Contamination seal device |