JPH0484972U - - Google Patents
Info
- Publication number
- JPH0484972U JPH0484972U JP1990128074U JP12807490U JPH0484972U JP H0484972 U JPH0484972 U JP H0484972U JP 1990128074 U JP1990128074 U JP 1990128074U JP 12807490 U JP12807490 U JP 12807490U JP H0484972 U JPH0484972 U JP H0484972U
- Authority
- JP
- Japan
- Prior art keywords
- sealing
- seal body
- passage
- sealing device
- seal
- 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 9
- 239000000428 dust Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Description
第１図は本考案の一実施例に係る密封装置の要
部縦断面図、第２図は従来の密封装置の要部縦断
面図である。
符号の説明、１……密封装置、２……シール本
体、３……ハウジング、４……軸孔、５……外環
、６……可動軸、７……シール部、８……補強環
、８ａ……円筒部、９……シールリツプ、１０…
…内向きフランジ、１１……ゴム状弾性体、１２
……スプリング、１３……ダストリツプ、１４…
…外筒部、１５……支持フランジ部、１６……凸
部、１７……通路、１８……通気溝、１９……圧
力制御弁、２０……リツプ。
FIG. 1 is a vertical cross-sectional view of a main part of a sealing device according to an embodiment of the present invention, and FIG. 2 is a vertical cross-sectional view of a main part of a conventional sealing device. Explanation of symbols, 1...Sealing device, 2...Seal body, 3...Housing, 4...Shaft hole, 5...Outer ring, 6...Movable shaft, 7...Seal portion, 8...Reinforcement ring , 8a...Cylindrical portion, 9...Seal lip, 10...
...Inward flange, 11...Rubber-like elastic body, 12
...Spring, 13...Dust lip, 14...
...Outer cylinder part, 15... Support flange part, 16... Convex part, 17... Passage, 18... Ventilation groove, 19... Pressure control valve, 20... Lip.
Claims (1)
部材間の隙間をシールするもので、環状のシール
本体を有し、該シール本体は一方の部材に固定さ
れると共に他方の部材に摺動自在に密封接触して
シール部を構成する密封装置において、 前記シール本体に、前記シール部を隔てて離隔
される密封側と反密封側の２つの空間を連通する
通路を形成し、該通路に圧力制御弁を設けて成る
ことを特徴とする密封装置。[Claims for Utility Model Registration] Two components that are assembled concentrically and relatively rotatably with each other
A sealing device that seals a gap between members and has an annular seal body, and the seal body is fixed to one member and slidably comes into sealing contact with the other member to form a seal portion. , A sealing device characterized in that a passage is formed in the seal body to communicate two spaces, a sealing side and a non-sealing side separated by the sealing part, and a pressure control valve is provided in the passage. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990128074U JPH0484972U (en) | 1990-11-30 | 1990-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990128074U JPH0484972U (en) | 1990-11-30 | 1990-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0484972U true JPH0484972U (en) | 1992-07-23 |
Family
ID=31875549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990128074U Pending JPH0484972U (en) | 1990-11-30 | 1990-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0484972U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002181198A (en) * | 2000-12-13 | 2002-06-26 | Nok Corp | Sealing device |
| JP2015108445A (en) * | 2013-10-21 | 2015-06-11 | Nok株式会社 | Sealing device |
| JP2020041553A (en) * | 2018-09-06 | 2020-03-19 | Nok株式会社 | Sealing device |
-
1990
- 1990-11-30 JP JP1990128074U patent/JPH0484972U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002181198A (en) * | 2000-12-13 | 2002-06-26 | Nok Corp | Sealing device |
| JP2015108445A (en) * | 2013-10-21 | 2015-06-11 | Nok株式会社 | Sealing device |
| JP2020041553A (en) * | 2018-09-06 | 2020-03-19 | Nok株式会社 | Sealing device |