JPS60190994U - Water suction pump with built-in filtration device - 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、従来の井戸ポンプの正面断面図、第２図は、
本考案の一実施例を示す逆止弁部の部分断面図、第３図
は、第２図の沖過体部の断面図、第４図は、本発明の応
用例を示す逆止弁部の断面図である。 ４・・・羽根車、１０・・・ポンプ室、１８・・・弁室
、２０・・・弁体、２２・・・弁座、３１・・・濾過体
、３２・・・立上部。Figure 1 is a front sectional view of a conventional well pump, and Figure 2 is a
FIG. 3 is a cross-sectional view of the overboard body portion of FIG. 2, and FIG. 4 is a partial sectional view of the check valve section showing an embodiment of the present invention. FIG. 4... Impeller, 10... Pump chamber, 18... Valve chamber, 20... Valve body, 22... Valve seat, 31... Filter body, 32... Upright part.

Claims (1)

【実用新案登録請求の範囲】 １　羽根車の上流側に設けた弁室内に、弁体と弁座とで
構成される逆止弁装置を備えてなる吸水ポンプにおいて
、前記弁室内において前記弁体の周囲に有底筒状の濾過
体を設けた事を特徴とする濾過装置内蔵形吸水ポンプ。 ２　実用新案登録請求の範囲第１項において、前記濾過
体の底部に開口を設け、該開口の内径を前記弁体の外径
よりも小さくし、該弁体で前記濾過体の開口を閉鎖した
状態で、弁体と濾過体とを一体的に前記弁室から取外せ
るように構成した事を特徴とする濾過装置内蔵形吸水ポ
ンプ。 ３　実用新案登録請求の範囲第１項において、前記濾過
体の底部に開口を設け、該開口の内径を弁体の外径より
も大きくし、弁体を弁座上に残したままで前記−週休を
単独で弁室外に取外せるようにした事を特徴とする濾過
装置内蔵形吸水ポンプ。 ４　実用新案登録請求の範囲第２項または第３項におい
て、濾過体の上面開口を、弁体の案内部を有する蓋体ま
たはガイド板で覆った事を特徴とする濾過装置内蔵形吸
水ポンプ。[Claims for Utility Model Registration] 1. In a water suction pump comprising a check valve device consisting of a valve body and a valve seat in a valve chamber provided on the upstream side of an impeller, the valve body is disposed in the valve chamber. A water suction pump with a built-in filtration device, characterized by having a cylindrical filter body with a bottom provided around the filtration device. 2. According to claim 1 of the utility model registration claim, an opening is provided at the bottom of the filter body, the inner diameter of the opening is smaller than the outer diameter of the valve body, and the opening of the filter body is closed with the valve body. 1. A water suction pump with a built-in filtration device, characterized in that the valve body and the filtration body can be removed integrally from the valve chamber when the valve body and the filtration body are in a state in which the valve body and the filter body are removed from the valve chamber. 3. In claim 1 of the utility model registration claim, an opening is provided at the bottom of the filter body, the inner diameter of the opening is larger than the outer diameter of the valve body, and the valve body is left on the valve seat during the above-mentioned weekly holidays. A water suction pump with a built-in filtration device, which is characterized by being able to be removed independently to the outside of the valve chamber. 4. A water suction pump with a built-in filtration device according to claim 2 or 3 of the utility model registration claim, characterized in that the upper opening of the filtration body is covered with a lid body or a guide plate having a guide portion for a valve body.