JPH0365894U - - Google Patents
Info
- Publication number
- JPH0365894U JPH0365894U JP12630789U JP12630789U JPH0365894U JP H0365894 U JPH0365894 U JP H0365894U JP 12630789 U JP12630789 U JP 12630789U JP 12630789 U JP12630789 U JP 12630789U JP H0365894 U JPH0365894 U JP H0365894U
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- circumferential surface
- impeller
- annular groove
- protection sleeve
- 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
- 238000010276 construction Methods 0.000 claims 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案構造を備えた遠心ポンプの要部
縦断側面図、第２図は本考案構造における回転軸
保護スリーブの要部拡大断面図である。
１……回転軸、２……羽根車、３……回転軸保
護スリーブ、４……ライナリング、７……環溝、
８……遊合リング。
FIG. 1 is a vertical sectional side view of a main part of a centrifugal pump having the structure of the present invention, and FIG. 2 is an enlarged sectional view of a main part of a rotating shaft protection sleeve in the structure of the present invention. 1... Rotating shaft, 2... Impeller, 3... Rotating shaft protection sleeve, 4... Liner ring, 7... Ring groove,
8...Play ring.
Claims (1)
軸保護スリーブ３を嵌着させ、該回転軸保護スリ
ーブ３の外周面をライナリング４の内周面に遊合
させ、該ライナリング４の内周面と対向する回転
軸保護スリーブ３の外周面に環溝７を凹設し、該
環溝７内に遊合リング８を介在させたことを特徴
とする、遠心ポンプにおける羽根車裏の圧力漏れ
防止構造。 A rotating shaft protection sleeve 3 is fitted around the outer circumference of the rotating shaft 1 on the back side of the impeller 2, and the outer circumferential surface of the rotating shaft protecting sleeve 3 is loosely engaged with the inner circumferential surface of the liner ring 4. Pressure behind an impeller in a centrifugal pump characterized in that an annular groove 7 is formed in the outer circumferential surface of the rotating shaft protection sleeve 3 facing the circumferential surface, and a loose ring 8 is interposed in the annular groove 7. Leak-proof construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12630789U JPH0365894U (en) | 1989-10-28 | 1989-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12630789U JPH0365894U (en) | 1989-10-28 | 1989-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0365894U true JPH0365894U (en) | 1991-06-26 |
Family
ID=31674123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12630789U Pending JPH0365894U (en) | 1989-10-28 | 1989-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0365894U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5627450B2 (en) * | 1976-01-30 | 1981-06-25 |
-
1989
- 1989-10-28 JP JP12630789U patent/JPH0365894U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5627450B2 (en) * | 1976-01-30 | 1981-06-25 |