JPH0367768U - - Google Patents
Info
- Publication number
- JPH0367768U JPH0367768U JP12399889U JP12399889U JPH0367768U JP H0367768 U JPH0367768 U JP H0367768U JP 12399889 U JP12399889 U JP 12399889U JP 12399889 U JP12399889 U JP 12399889U JP H0367768 U JPH0367768 U JP H0367768U
- Authority
- JP
- Japan
- Prior art keywords
- bellows
- ptfe
- seal ring
- body portion
- shaped body
- 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
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 2
Landscapes
- Mechanical Sealing (AREA)
Description
第１図は本考案ＰＴＦＥベローズ型メカニカル
シールの一実施例を示す半裁断面図、第２図は従
来のＰＴＦＥベローズ型メカニカルシールを示す
半裁断面図、第３図は内周側圧力によるＰＴＦＥ
ベローズの変形状態を示す説明図である。
４……シヤフト、５……シールリング、１０…
…ＰＴＦＥベローズ、１３……蛇腹状本体部分、
１３ａ……山部、１４……筒状体、Ａ……密封対
象流体、δ……隙間。
Fig. 1 is a half-cut cross-sectional view showing an embodiment of the PTFE bellows-type mechanical seal of the present invention, Fig. 2 is a half-cut cross-sectional view showing a conventional PTFE bellows-type mechanical seal, and Fig. 3 is a half-cut cross-sectional view showing an embodiment of the PTFE bellows-type mechanical seal of the present invention.
It is an explanatory view showing a deformed state of the bellows. 4...Shaft, 5...Seal ring, 10...
...PTFE bellows, 13...bellow-shaped main body part,
13a... Mountain part, 14... Cylindrical body, A... Fluid to be sealed, δ... Gap.
Claims (1)
転側もしくは固定側との間にＰＴＦＥベローズを
気密的に接合してなり、密封対象流体がシールリ
ング摺動面の内周側に連通する空間に存するメカ
ニカルシールにおいて、ＰＴＦＥベローズをシヤ
フトに固定してなるカラー側から前記ベローズの
蛇腹状本体部分の外周を包囲するように延び、該
蛇腹状本体部分の各山部外周面と微小な隙間を介
して対向する筒状体を設けたことを特徴とするＰ
ＴＦＥベローズ型メカニカルシール。 A mechanical seal in which a PTFE bellows is airtightly joined between a seal ring and the rotating side or stationary side that supports this seal ring, and the fluid to be sealed exists in a space that communicates with the inner circumferential side of the seal ring sliding surface. , the PTFE bellows extends from the collar side formed by fixing the PTFE bellows to the shaft so as to surround the outer periphery of the bellows-shaped body portion of the bellows, and faces the outer circumferential surface of each peak of the bellows-shaped body portion through a minute gap. P characterized by having a cylindrical body
TFE bellows type mechanical seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12399889U JPH0367768U (en) | 1989-10-25 | 1989-10-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12399889U JPH0367768U (en) | 1989-10-25 | 1989-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0367768U true JPH0367768U (en) | 1991-07-02 |
Family
ID=31671944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12399889U Pending JPH0367768U (en) | 1989-10-25 | 1989-10-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0367768U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002152859A (en) * | 2000-11-14 | 2002-05-24 | Matsushita Electric Ind Co Ltd | Home control system |
| JP2007135265A (en) * | 2005-11-08 | 2007-05-31 | Hanshin Electric Co Ltd | Electric power consumption monitoring method and electric power consumption monitoring system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS558287B2 (en) * | 1975-03-06 | 1980-03-03 |
-
1989
- 1989-10-25 JP JP12399889U patent/JPH0367768U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS558287B2 (en) * | 1975-03-06 | 1980-03-03 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002152859A (en) * | 2000-11-14 | 2002-05-24 | Matsushita Electric Ind Co Ltd | Home control system |
| JP2007135265A (en) * | 2005-11-08 | 2007-05-31 | Hanshin Electric Co Ltd | Electric power consumption monitoring method and electric power consumption monitoring system |