JPH0227065U - - Google Patents
Info
- Publication number
- JPH0227065U JPH0227065U JP10519588U JP10519588U JPH0227065U JP H0227065 U JPH0227065 U JP H0227065U JP 10519588 U JP10519588 U JP 10519588U JP 10519588 U JP10519588 U JP 10519588U JP H0227065 U JPH0227065 U JP H0227065U
- Authority
- JP
- Japan
- Prior art keywords
- sealing ring
- teflon bellows
- rotating
- teflon
- bellows
- 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
- 239000004809 Teflon Substances 0.000 claims description 19
- 229920006362 Teflon® Polymers 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 18
- 239000012530 fluid Substances 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 description 2
Landscapes
- Mechanical Sealing (AREA)
Description
第１図は本考案に係るテフロンベローズシール
の一実施例を示した半裁縦断側面図、第２図はそ
の要部の拡大図であり、第３図は他の実施例を示
す要部の縦断側面図であり、第４図は従来技術を
示す要部の縦断側面図である。
１…ケーシング、２…回転軸、３…静止密封環
、３ａ，４ａ…密封端面（相対回転摺接部分）、
４…回転密封環、５…テフロンベローズ、７…リ
テーナ（テフロンベローズ側）、１２…間隙部、
１３…圧力逃げ通路、Ａ…被密封流体側、Ｂ…非
密封流体側。
Fig. 1 is a half-cut longitudinal side view showing one embodiment of the Teflon bellows seal according to the present invention, Fig. 2 is an enlarged view of its main part, and Fig. 3 is a longitudinal cross-section of the main part showing another embodiment. It is a side view, and FIG. 4 is a longitudinal cross-sectional side view of the main part showing the prior art. DESCRIPTION OF SYMBOLS 1... Casing, 2... Rotating shaft, 3... Stationary sealing ring, 3a, 4a... Sealing end surface (relative rotation sliding contact part),
4... Rotating sealing ring, 5... Teflon bellows, 7... Retainer (Teflon bellows side), 12... Gap part,
13...Pressure relief passage, A...Sealed fluid side, B...Unsealed fluid side.
補正 昭６３．１１．１
考案の名称を次のように補正する。
考案の名称 テフロンベローズシール
実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment November 1, 1981 The name of the invention is amended as follows. Title of the invention Teflon bellows seal The claims for utility model registration and the brief description of the drawings are amended as follows.
【実用新案登録請求の範囲】
ケーシング側の静止密封環と、これに相対回転
摺接する回転軸側の回転密封環と、前端部を回転
密封環に嵌合連結すると共に後端部を回転軸に固
着したテフロンベローズとを具備して、両密封環
の相対回転摺接部分において該部分の内周側たる
被密封流体側とその外周側たる非密封流体側とを
遮蔽シールするように構成されたテフロンベロー
ズシールにおいて、回転密封環とテフロンベロー
ズとの嵌合連結部分に生じる密閉された微小な間
隙部を、テフロンベローズ側に形成した圧力逃げ
通路を介して、非密封流体側に連通開放させたこ
とを特徴とするテフロンベローズシール。[Claims for Utility Model Registration] A stationary sealing ring on the casing side, a rotating sealing ring on the rotating shaft side that is in relative rotational sliding contact with the stationary sealing ring, the front end of which is fitted and connected to the rotating sealing ring, and the rear end of which is connected to the rotating shaft. It is equipped with a fixed Teflon bellows, and is configured to shield and seal between the sealed fluid side, which is the inner peripheral side of the part, and the unsealed fluid side, which is the outer peripheral side, of the relatively rotating sliding contact part of both sealing rings. In the Teflon bellows seal, the sealed minute gap that occurs at the fitting connection between the rotating sealing ring and the Teflon bellows is opened to the non-sealed fluid side via a pressure relief passage formed on the Teflon bellows side. A Teflon bellows seal characterized by:
【図面の簡単な説明】
第１図は本考案に係るテフロンベローズシール
の一実施例を示した半裁縦断側面図、第２図はそ
の要部の拡大図であり、第３図は他の実施例を示
す要部の縦断側面図であり、第４図は従来技術を
示す要部の縦断側面図である。
１…ケーシング、２…回転軸、３…静止密封環
、３ａ，４ａ…密封端面（相対回転摺接部分）、
４…回転密封環、５…テフロンベローズ、７…リ
テーナ（テフロンベローズ側）、１２…間隙部、
１３…圧力逃げ通路、Ａ…被密封流体側、Ｂ…非
密封流体側。[Brief Description of the Drawings] Fig. 1 is a half-cut longitudinal side view showing one embodiment of the Teflon bellows seal according to the present invention, Fig. 2 is an enlarged view of the main part thereof, and Fig. 3 is an embodiment of the Teflon bellows seal according to the present invention. FIG. 4 is a longitudinal sectional side view of the main part showing an example, and FIG. 4 is a longitudinal sectional side view of the main part showing the prior art. DESCRIPTION OF SYMBOLS 1... Casing, 2... Rotating shaft, 3... Stationary sealing ring, 3a, 4a... Sealing end surface (relative rotation sliding contact part),
4... Rotating sealing ring, 5... Teflon bellows, 7... Retainer (Teflon bellows side), 12... Gap part,
13...Pressure relief passage, A...Sealed fluid side, B...Unsealed fluid side.
Claims (1)
摺接する回転軸側の回転密封環と、前端部を回転
密封環に嵌合連結すると共に後端部を回転軸に固
着したテフロンベローズとを具備して、両密封環
の相対回転摺接部分において該部分の内周側たる
被密封流体側とその外周側たる非密封流体側とを
遮蔽シールするように構成されたテフロンベロー
ズシールにおいて、回転密封環とテフロンベロー
ズとの嵌合連結部分に生じる密閉された微小な間
隙部を、テフロンベローズ側に形成した圧力逃げ
通路を介して、非密封流体側に連通開放させたこ
とを特徴とするテフロンベローズ。 It has a stationary sealing ring on the casing side, a rotating sealing ring on the rotating shaft side that makes relative rotational sliding contact with the stationary sealing ring, and a Teflon bellows whose front end is fitted and connected to the rotating sealing ring and whose rear end is fixed to the rotating shaft. In a Teflon bellows seal configured to shield and seal the sealed fluid side, which is the inner circumferential side of the portion, and the unsealed fluid side, which is the outer circumferential side, at the relative rotating sliding contact portion of both sealing rings, the rotating sealing ring A Teflon bellows, characterized in that a sealed minute gap created at a fitting connection portion between the Teflon bellows and the Teflon bellows is communicated and opened to a non-sealed fluid side via a pressure relief passage formed on the Teflon bellows side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988105195U JPH0536144Y2 (en) | 1988-08-09 | 1988-08-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988105195U JPH0536144Y2 (en) | 1988-08-09 | 1988-08-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0227065U true JPH0227065U (en) | 1990-02-22 |
| JPH0536144Y2 JPH0536144Y2 (en) | 1993-09-13 |
Family
ID=31337589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988105195U Expired - Lifetime JPH0536144Y2 (en) | 1988-08-09 | 1988-08-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0536144Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0466463U (en) * | 1990-10-23 | 1992-06-11 | ||
| JP2013242047A (en) * | 2006-07-25 | 2013-12-05 | Eagle Industry Co Ltd | Mechanical seal device |
| JP2023074542A (en) * | 2021-11-18 | 2023-05-30 | 日本ピラー工業株式会社 | mechanical seal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6317893U (en) * | 1986-07-16 | 1988-02-05 |
-
1988
- 1988-08-09 JP JP1988105195U patent/JPH0536144Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6317893U (en) * | 1986-07-16 | 1988-02-05 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0466463U (en) * | 1990-10-23 | 1992-06-11 | ||
| JP2013242047A (en) * | 2006-07-25 | 2013-12-05 | Eagle Industry Co Ltd | Mechanical seal device |
| JP5580532B2 (en) * | 2006-07-25 | 2014-08-27 | イーグル工業株式会社 | Mechanical seal device |
| JP2023074542A (en) * | 2021-11-18 | 2023-05-30 | 日本ピラー工業株式会社 | mechanical seal |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0536144Y2 (en) | 1993-09-13 |
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