JPH0187367U - - Google Patents
Info
- Publication number
- JPH0187367U JPH0187367U JP1987181916U JP18191687U JPH0187367U JP H0187367 U JPH0187367 U JP H0187367U JP 1987181916 U JP1987181916 U JP 1987181916U JP 18191687 U JP18191687 U JP 18191687U JP H0187367 U JPH0187367 U JP H0187367U
- Authority
- JP
- Japan
- Prior art keywords
- pressure side
- casing
- annular groove
- space
- high pressure
- 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 2
- 239000000314 lubricant Substances 0.000 claims 1
- 239000004519 grease Substances 0.000 description 2
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Actuator (AREA)
Description
第１図は本考案の一実施例のシールアセンブリ
部の縦断面図、第２図は第１図の−矢線に沿
つて見た横断面図、第３図は第１図の−矢線
に沿つて見た横断面図、第４図は第１図のシール
アセンブリをシリンダケーシング１とロツド２と
の環状空間に挿入固設した本考案の一実施例の縦
断面図、第５図は従来例の縦断面図である。
１……シリンダケーシング、２……ロツド、５
……シールケーシング、６，７……溝、８……グ
リース室、９，１０……Ｕパツキン、１１……切
欠き、１２……給脂孔、１３……給脂通路、１４
……連通孔、１５……シール、１９……グリース
。
FIG. 1 is a longitudinal cross-sectional view of a seal assembly according to an embodiment of the present invention, FIG. 2 is a cross-sectional view taken along the - arrow in FIG. 1, and FIG. 3 is a cross-sectional view taken along the - arrow in FIG. 4 is a longitudinal sectional view of an embodiment of the present invention in which the seal assembly of FIG. 1 is inserted and fixed in the annular space between the cylinder casing 1 and the rod 2, and FIG. FIG. 3 is a vertical cross-sectional view of a conventional example. 1... Cylinder casing, 2... Rod, 5
... Seal casing, 6, 7 ... Groove, 8 ... Grease chamber, 9, 10 ... U seal, 11 ... Notch, 12 ... Greasing hole, 13 ... Greasing passage, 14
...Communication hole, 15...Seal, 19...Grease.
Claims (1)
る往復動ロツドと上記ケーシング体間のシール構
造において、上記ケーシングと往復動ロツド間の
環状空間に挿入固設されたシールケーシングと、
同シールケーシングの内周の軸方向２個所に設け
られた環状溝と、同環状溝のうち低圧側に位置す
る環状溝の高圧側寄りとシールケーシングの高圧
側端面とを連通する穴体と、上記環状溝の各々に
嵌装されたＵパツキンと、同Ｕパツキンのうち低
圧側に位置するＵパツキンの高圧側空間に充填さ
れた潤滑剤とを具備してなることを特徴とするシ
ール装置。 In the sealing structure between the reciprocating rod passing through a casing body having a high pressure space on one side and the casing body, a seal casing inserted and fixed in an annular space between the casing and the reciprocating rod;
An annular groove provided at two locations in the axial direction on the inner circumference of the seal casing, and a hole body that communicates between the annular groove located on the low pressure side of the annular groove near the high pressure side and the high pressure side end surface of the seal casing; A sealing device comprising: a U-packet fitted into each of the annular grooves; and a lubricant filled in a space on the high-pressure side of the U-packet located on the low-pressure side of the U-packets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987181916U JPH0187367U (en) | 1987-12-01 | 1987-12-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987181916U JPH0187367U (en) | 1987-12-01 | 1987-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0187367U true JPH0187367U (en) | 1989-06-09 |
Family
ID=31473379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987181916U Pending JPH0187367U (en) | 1987-12-01 | 1987-12-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0187367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002088570A1 (en) * | 2001-04-11 | 2002-11-07 | Pascal Engineering Corporation | Gas spring |
-
1987
- 1987-12-01 JP JP1987181916U patent/JPH0187367U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002088570A1 (en) * | 2001-04-11 | 2002-11-07 | Pascal Engineering Corporation | Gas spring |
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