JPH0211270U - - Google Patents
Info
- Publication number
- JPH0211270U JPH0211270U JP8849888U JP8849888U JPH0211270U JP H0211270 U JPH0211270 U JP H0211270U JP 8849888 U JP8849888 U JP 8849888U JP 8849888 U JP8849888 U JP 8849888U JP H0211270 U JPH0211270 U JP H0211270U
- Authority
- JP
- Japan
- Prior art keywords
- sealing device
- chamber side
- mechanical seal
- shaft sealing
- shaft
- 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
- 238000007789 sealing Methods 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims 1
- 238000005524 ceramic coating Methods 0.000 description 1
Landscapes
- Mechanical Sealing (AREA)
Description
第１図は本考案に係る軸封装置の一実施例を示
す要部断面図、第２図は従来の軸封装置の要部断
面図である。
１…モータ室側ハウジング、２…ポンプ室側ハ
ウジング、３…オイルバス、４…回転軸、１２…
下部メカニカルシール、２０…上部メカニカルシ
ール、２１…メイテイングリング、２２…弾性体
（クローズドセル）、２３…シールケース、２４
…セラミツクコーテイング。
FIG. 1 is a sectional view of a main part showing an embodiment of a shaft sealing device according to the present invention, and FIG. 2 is a sectional view of a main part of a conventional shaft sealing device. 1...Motor chamber side housing, 2...Pump chamber side housing, 3...Oil bath, 4...Rotating shaft, 12...
Lower mechanical seal, 20... Upper mechanical seal, 21... Mating ring, 22... Elastic body (closed cell), 23... Seal case, 24
...Ceramic coating.
Claims (1)
ング間のオイルバス内に挿通された回転軸の軸周
をそれぞれ軸封するダブル型メカニカルシールか
らなる軸封装置であつて、前記上部メカニカルシ
ールは、下部メカニカルシールをバツクアツプす
るシールケースの背面にメイテイングリングを摺
接させ、このメイテイングリングを前記モータ室
側ハウジングに独立気泡性の多孔質プラスチツク
からなる保持体を介して固定するように構成した
ことを特徴とする軸封装置。 ２ メインテイングリングが摺接するシールケー
スの背面の一部にセラミツクコーテイングを施し
たことを特徴とする請求項１記載の軸封装置。[Scope of Claim for Utility Model Registration] 1. A shaft sealing device consisting of a double mechanical seal that seals the periphery of a rotating shaft inserted in an oil bath between an upper housing on the motor chamber side and a lower housing on the pump chamber side, respectively. The upper mechanical seal is constructed by sliding a mating ring on the back surface of the seal case that backs up the lower mechanical seal, and attaching the mating ring to the motor chamber side housing using a holder made of closed-cell porous plastic. A shaft sealing device characterized in that it is configured to be fixed through the shaft. 2. The shaft sealing device according to claim 1, wherein a part of the back surface of the seal case with which the maintaining ring slides is coated with ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8849888U JPH0547901Y2 (en) | 1988-07-05 | 1988-07-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8849888U JPH0547901Y2 (en) | 1988-07-05 | 1988-07-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0211270U true JPH0211270U (en) | 1990-01-24 |
| JPH0547901Y2 JPH0547901Y2 (en) | 1993-12-17 |
Family
ID=31313057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8849888U Expired - Lifetime JPH0547901Y2 (en) | 1988-07-05 | 1988-07-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0547901Y2 (en) |
-
1988
- 1988-07-05 JP JP8849888U patent/JPH0547901Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0547901Y2 (en) | 1993-12-17 |