JPS61140197U

JPS61140197U -

Info

Publication number: JPS61140197U
Application number: JP2433985U
Authority: JP
Priority date: 1985-02-21
Filing date: 1985-02-21
Publication date: 1986-08-30

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す水中ポンプの
縦断面図、第２図は第１図における部拡大詳細
図、第３図は第２図における―矢視断面図、
第４図は従来構成を示す第２図相当断面図である
。図中、４はクローズド羽根車、６はウエアリン
グ、６ａは突起羽根、８はマウスリングである。 Fig. 1 is a vertical sectional view of a submersible pump showing an embodiment of the present invention, Fig. 2 is an enlarged detailed view of a portion in Fig. 1, and Fig. 3 is a sectional view taken in the direction of the arrow in Fig. 2.
FIG. 4 is a sectional view corresponding to FIG. 2 showing a conventional configuration. In the figure, 4 is a closed impeller, 6 is a wear ring, 6a is a protruding blade, and 8 is a mouth ring.

Claims

[Scope of Claim for Utility Model Registration] (1) In a pump that handles sewage mixed with foreign substances such as for sewage treatment, the wear ring provided on the closed impeller suction port side is L-shaped and has multiple wear rings on the surface located on the suction side of the horizontal plate. A wear ring structure for a pump, characterized by forming a blade portion consisting of a single blade and having a mouth ring on the casing side correspond to the blade portion. (2) A wear ring structure in a pump according to claim 1, wherein the blade portion is a protruding blade. (3) A wear ring structure in a pump according to claim 1, wherein the blade portion is a grooved blade. (4) A wear ring structure in a pump according to claim 2 or 3 of the utility model registration claim, wherein the vanes are formed radially. (5) A wear ring structure in a pump according to claim 2 or 3 of the utility model registration claim, wherein the blades are formed in an inclined shape. (6) A wear ring structure in a pump according to claim 2 or 3 of the utility model registration claim, wherein the vanes are formed in a curved shape.