JPH0235992U

JPH0235992U -

Info

Publication number: JPH0235992U
Application number: JP11065488U
Authority: JP
Priority date: 1988-08-25
Filing date: 1988-08-25
Publication date: 1990-03-08
Anticipated expiration: 2003-08-25
Also published as: JP2543289Y2

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の水中モータポンプの説明用平
面図、第２図は本考案の第１実施例を示す第１図
Ｘ−Ｘ線による縦断面図、第３図は同じく第１図
Ｙ−Ｙ線による縦断面図、第４図は本考案の第２
実施例を示す第１図のＹ−Ｙ線による縦断面図、
第５図及び第６図は従来例を示す説明用平面図及
び第５図のＸ−Ｘ線とＹ−Ｙ線による縦断面図で
ある。１……水中モータ、２……羽根車、３……ポン
プケーシング、５……吐出口、１１，２１……吸
込流路、１４，２４……外胴、１４ａ，２４ａ…
…外胴下部、１６……ストレーナ、１６ａ……ス
トレーナ延長部。 Fig. 1 is an explanatory plan view of the submersible motor pump of the present invention, Fig. 2 is a longitudinal sectional view taken along the line X-X in Fig. 1 showing the first embodiment of the invention, and Fig. 3 is the same as Fig. 1 - Longitudinal cross-sectional view taken along the Y line, Figure 4 is the second figure of the present invention.
A vertical cross-sectional view taken along the Y-Y line in FIG. 1 showing the embodiment,
5 and 6 are an explanatory plan view showing a conventional example and a vertical sectional view taken along the line XX and Y-Y in FIG. 5. FIG. DESCRIPTION OF SYMBOLS 1... Submersible motor, 2... Impeller, 3... Pump casing, 5... Discharge port, 11, 21... Suction channel, 14, 24... Outer body, 14a, 24a...
... lower part of the outer body, 16 ... strainer, 16a ... strainer extension part.

Claims

【実用新案登録請求の範囲】１ポンプケーシングから吐出された水が水中モ
ータの外側全周を流れるようにした全周流型水中
モータポンプにおいて、上記水中モータの外側に
あつて上記吐出水の吐出流路を形成する外胴を、
軸直角の下部断面積を上部断面積より小さくし、
該外胴の下部と、該外胴の下部外周面は取付けら
れるストレーナとの間で吸込流路を形成したこと
を特徴とする全周流型水中モータポンプ。２外胴の下部断面積を連続して小さくしたこと
を特徴とする請求項１記載の全周流型水中モータ
ポンプ。３外胴の下部断面積を段階的に小さくしたこと
を特徴とする請求項１記載の全周流型水中モータ
ポンプ。[Claims for Utility Model Registration] 1. In a full-circle flow type submersible motor pump in which water discharged from a pump casing flows around the entire outer circumference of a submersible motor, the discharge water is discharged outside the submersible motor. The outer body that forms the flow path,
The lower cross-sectional area perpendicular to the axis is made smaller than the upper cross-sectional area,
A full-circle flow type submersible motor pump, characterized in that a suction flow path is formed between a lower part of the outer shell and a strainer attached to the lower outer peripheral surface of the outer shell. 2. The all-circumference flow type submersible motor pump according to claim 1, wherein the lower cross-sectional area of the outer shell is continuously reduced. 3. The all-circumference flow type submersible motor pump according to claim 1, wherein the lower cross-sectional area of the outer shell is reduced in stages.