JPS60116093U - drain pump - Google Patents

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

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

第１図は従来の排水ポンプの側面図、第２図は本箸案め
排水ポンプの一実施例の一部を断面で示した側面図、第
３八図ないし第３Ｃ図はストレーナの両側面図と断面図
、第４Ａ図ないし第４Ｃ図はストレーナに埋設される芯
金の両側面図と断面図、第５Ａ図及び第５Ｂ図は締付ボ
ルトとそのストッパの断面図及び側面図、第６Ａ図ない
し第６Ｃ図はエアロツク防止用翼を設けた羽根止めナラ
　　。 トの正面図と両側面図、第７図及び第８図はポンプ揚水
時におけるケーシング内部の状態を示す断面図である。 ゛　３・・・ポンプケーシング、８・・・羽根車、８ａ
・・・ポンプ主軸、９・・・羽根止めナツト、１０・・
・ストレーナ、１２・・・芯金、１５・・・異物阻止片
、２３・・・エアロツレ防止用翼。 °） 「 □□□□□□□□□□□□□□□□□□□□□□□□□
□□□□□□□□□□□□□□□□□□□□□□□□７
寸コ ■ｉ■ 計眉箔「 ￥／／、；’／／／ ＼　　　メー＼　　　　１１ ゛り　・・１ 賂酩図 Ａ−り旬４Fig. 1 is a side view of a conventional drainage pump, Fig. 2 is a side view showing a part of an embodiment of the drainage pump proposed by Honbashi, and Figs. 38 to 3C are both sides of the strainer. Figures 4A to 4C are side views and a sectional view of the core bar embedded in the strainer, Figures 5A and 5B are a sectional view and a side view of the tightening bolt and its stopper, Figures 6A to 6C show a vane stopper equipped with aerodynamic wings. The front view, both side views, and FIGS. 7 and 8 are sectional views showing the state inside the casing when the pump pumps water.゛ 3... Pump casing, 8... Impeller, 8a
...Pump main shaft, 9...Blade retaining nut, 10...
- Strainer, 12...Core metal, 15...Foreign object prevention piece, 23...Aero-slip prevention blade. °) "
□□□□□□□□□□□□□□□□□□□□□□□□7
Dimension ■i■ Total eyebrow foil `` ¥／／、；'／／／ ＼ ＼ ＼ １１ ゛ り・・１ Bribe Drinking Picture A-ri Season 4

Claims (1)

【実用新案登録請求の範囲】 １　下端にストレーナを備え、羽根車をポンプ主軸の端
部に羽根止めナツトによって取付けるようにした排水ポ
ンプにおいて、前記ストレーナを、下面に多数の異物阻
止片を突設させた板状体で構成してポンプケーシングの
下面に密着して取付け、また前記羽根止めナツトに、エ
アロツク防止用翼をケーシング下面より突出させるよう
にして設けたことを特徴とする排水ポンプ。 ２　前記ストレーナを弾性体で構成すると共に、その下
面に設けられる多数の異物阻止片を、千鳥配列とし且つ
中心部に向かう程密に配置した実用新案登録請求の範囲
第１項記載の排水ポンプ。 ３　前記エアロツク防止用翼をゴム等の弾性体で構成し
た実用新案登録請求の範囲第１項記載の排水ポンプ。[Claims for Utility Model Registration] 1. A drainage pump that is equipped with a strainer at its lower end and whose impeller is attached to the end of the pump main shaft with an impeller fixing nut, in which the strainer is provided with a number of foreign object blocking pieces protruding from its lower surface. 1. A drainage pump, characterized in that the drain pump is constructed of a plate-shaped body and is attached in close contact with the lower surface of a pump casing, and the vane retaining nut is provided with an air lock prevention wing projecting from the lower surface of the casing. 2. The drainage pump according to claim 1, wherein the strainer is made of an elastic body, and a large number of foreign matter blocking pieces provided on the lower surface of the strainer are arranged in a staggered manner and are arranged more densely toward the center. 3. The drainage pump according to claim 1, wherein the airlock prevention blade is made of an elastic material such as rubber.