JPS58106590U

JPS58106590U - Flooding prevention device for shaft-mounted submersible pumps

Info

Publication number: JPS58106590U
Application number: JP372982U
Authority: JP
Inventors: 谷脇　政一
Original assignee: 株式会社クボタ
Priority date: 1982-01-13
Filing date: 1982-01-13
Publication date: 1983-07-20

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図は従来の軸上形水中ポンプを示す正断面図、第２
図は本考案の一実施例を示す正断面図である。Ａ・・・軸上形水中ポンプ、１・・・乾式モータ、３・
・・回転軸、６・・・羽根車、８．９・・・メカニカル
シール、１０・・・収容フレーム、１２・・・水切りつ
ば、１４・・・浸水検知器。Figure 1 is a front cross-sectional view of a conventional shaft-mounted submersible pump;
The figure is a front sectional view showing an embodiment of the present invention. A... shaft-mounted submersible pump, 1... dry motor, 3.
... Rotating shaft, 6... Impeller, 8.9... Mechanical seal, 10... Accommodation frame, 12... Draining collar, 14... Water immersion detector.

Claims

[Scope of utility model registration request]

In a shaft-mounted submersible pump equipped with a dry motor at the bottom and an impeller at the top, the impeller is connected to the upper end of the rotating shaft of the dry motor, and a mechanical seal is interposed below the impeller of the rotating shaft. A water intrusion prevention device that prevents water from entering into a storage frame of a dry motor, the device comprising: a water draining collar on a portion of the rotating shaft located below the mechanical seal and above the storage frame; A hollow draining chamber capable of accommodating the draining collar is formed on the outside of the housing frame, and a water immersion detector is provided at the lower part of the draining chamber. Pump flood prevention device.