JPH01148172U - - Google Patents
Info
- Publication number
- JPH01148172U JPH01148172U JP4477488U JP4477488U JPH01148172U JP H01148172 U JPH01148172 U JP H01148172U JP 4477488 U JP4477488 U JP 4477488U JP 4477488 U JP4477488 U JP 4477488U JP H01148172 U JPH01148172 U JP H01148172U
- Authority
- JP
- Japan
- Prior art keywords
- sliding
- annular groove
- outer periphery
- soft
- sliding ring
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Mechanical Sealing (AREA)
Description
第１図は本考案の一実施例を示す半裁した要部
側断面図、第２図は同じく摺動リングの部分斜視
図、第３図は従来例を示す半裁した側断面図、第
４図は同じく摺動リングの正面図である。
１…ハウジング、２…軸孔、３…シヤフト、４
…軟質摺動リング、５…硬質摺動リング、６…摺
動面、６ｂ…補助摺動面、７…環状溝、７′，８
′…底面、８…切欠。
Fig. 1 is a side sectional view cut in half showing an embodiment of the present invention, Fig. 2 is a partial perspective view of the sliding ring, Fig. 3 is a side sectional view cut in half showing a conventional example, and Fig. 4 is also a front view of the sliding ring. 1...Housing, 2...Shaft hole, 3...Shaft, 4
... Soft sliding ring, 5... Hard sliding ring, 6... Sliding surface, 6b... Auxiliary sliding surface, 7... Annular groove, 7', 8
'...Bottom surface, 8...Notch.
Claims (1)
び該軸孔に挿通されたシヤフトの外周面にそれぞ
れ気密的に装着されて互いに密接摺動する硬度の
異なる１対の摺動リングを有し、軟質摺動リング
を硬質摺動リングの下側に位置させるとともに、
該軟質摺動リングの上端摺動面に、該摺動面と同
心の環状溝を有するドライ摺動型メカニカルシー
ルにおいて、軟質摺動リングの摺動面のうち、環
状溝の外周の補助摺動面に、該環状溝とシール外
周の空間とを結ぶ切欠を設けるとともに、該切欠
の底面を外周側が低くなるように傾斜させ、かつ
該底面の内周端を環状溝の底面以下の高さとした
ことを特徴とするドライ摺動型メカニカルシール
。 A pair of sliding rings of different hardness are airtightly attached to the inner circumferential surface of a shaft hole that vertically penetrates the housing and the outer circumferential surface of the shaft inserted into the shaft hole, and closely slide against each other, Positioning the soft sliding ring below the hard sliding ring,
In a dry sliding type mechanical seal having an annular groove concentric with the sliding surface on the upper end sliding surface of the soft sliding ring, an auxiliary sliding portion on the outer periphery of the annular groove on the sliding surface of the soft sliding ring. A notch is provided in the surface to connect the annular groove and the space around the outer periphery of the seal, and the bottom surface of the notch is sloped so that the outer periphery side is lower, and the inner peripheral end of the bottom surface is set at a height equal to or lower than the bottom surface of the annular groove. A dry sliding mechanical seal characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988044774U JPH0453490Y2 (en) | 1988-04-04 | 1988-04-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988044774U JPH0453490Y2 (en) | 1988-04-04 | 1988-04-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01148172U true JPH01148172U (en) | 1989-10-13 |
| JPH0453490Y2 JPH0453490Y2 (en) | 1992-12-16 |
Family
ID=31271123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988044774U Expired JPH0453490Y2 (en) | 1988-04-04 | 1988-04-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0453490Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015059487A (en) * | 2013-09-18 | 2015-03-30 | 古河産機システムズ株式会社 | Centrifugal pump |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS576833U (en) * | 1980-06-16 | 1982-01-13 | ||
| JPS5965997U (en) * | 1982-10-27 | 1984-05-02 | 日野自動車株式会社 | Water pump mechanical seal |
-
1988
- 1988-04-04 JP JP1988044774U patent/JPH0453490Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS576833U (en) * | 1980-06-16 | 1982-01-13 | ||
| JPS5965997U (en) * | 1982-10-27 | 1984-05-02 | 日野自動車株式会社 | Water pump mechanical seal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015059487A (en) * | 2013-09-18 | 2015-03-30 | 古河産機システムズ株式会社 | Centrifugal pump |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0453490Y2 (en) | 1992-12-16 |