JPS586991U

JPS586991U - rotary pump

Info

Publication number: JPS586991U
Application number: JP10062281U
Authority: JP
Inventors: 俊一西村; 吉原　茂友
Original assignee: 株式会社日立製作所
Priority date: 1981-07-08
Filing date: 1981-07-08
Publication date: 1983-01-17

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案のポンプ装置の要部を断面した正面図、
第２図は第１図のＩ−Ｉ断面図、第３図は第１図の■−
■断面図、第４図は本考案のケーシングカバーの斜視図
、第５図は本考案の羽根車斜視図、第６図は本考案のラ
イナーの一部を断面した斜視図、第７図は本考案の羽根
車の正面拡大図、第８図は第７図■−■断面図である。１・・・回転軸、２・・・羽根車、３・・・羽根車ボス
、４・・・孔、６・・・ライナー、１６・・・羽根部。Figure 1 is a cross-sectional front view of the main parts of the pump device of the present invention;
Figure 2 is a sectional view taken along line I-I in Figure 1, and Figure 3 is a cross-sectional view taken along ■-I in Figure 1.
■Cross-sectional view, Figure 4 is a perspective view of the casing cover of the present invention, Figure 5 is a perspective view of the impeller of the present invention, Figure 6 is a perspective view of a part of the liner of the present invention, and Figure 7 is a perspective view of the casing cover of the present invention. FIG. 8 is an enlarged front view of the impeller of the present invention, and is a sectional view taken along line 7 in FIG. 7. DESCRIPTION OF SYMBOLS 1... Rotating shaft, 2... Impeller, 3... Impeller boss, 4... Hole, 6... Liner, 16... Vane part.

Claims

[Scope of Claim for Utility Model Registration] 1. In a rotary pump in which an impeller mounted on a rotating shaft is housed within a pump frame, a hole that passes through the front and rear surfaces of the impeller and is shorter than the entire length of the impeller boss is provided as described above. A rotary pump characterized by being installed in the impeller boss. 2. In claim 1 of the utility model registration claim, the casing cover and the liner are provided with a vortex chamber that faces the blades provided on both sides of the impeller, and the through hole is arranged symmetrically with respect to the center of the rotation axis of the impeller. A rotary pump characterized by being installed on both the front and rear sides. 3. A rotary pump as set forth in claim 1 of the utility model registration claim, characterized in that the impeller is made of synthetic resin. 4. The rotary pump according to claim 1 of the utility model registration claim, characterized in that a gap is provided between the side surface of the impeller and the bottom of the hole.