JPH0484792U

JPH0484792U -

Info

Publication number: JPH0484792U
Application number: JP12732590U
Authority: JP
Priority date: 1990-11-29
Filing date: 1990-11-29
Publication date: 1992-07-23

Description

[Brief explanation of the drawing]

第１図ａは本考案の実施例に係るマグネツトポ
ンプの構造を示す断面図であり、第１図ｂはその
スピンドルの軸端周囲の拡大断面図である。第２
図ａは従来例の構造を示す断面図であり、第２図
ｂはそのスピンドルの軸端周囲の拡大断面図であ
る。符号の説明、１，２１……マグネツトポンプ、
６，２６……駆動室、７，２７……隔壁、８，２
８……インペラ室、９，２９……スピンドル、９
ａ，２９ａ……軸端、９ｄ……第２の段差、１０
，３０……軸受、１２，３２……インペラ、１４
，３４……スラスト受、１５，３６……Ｏリング
、１６，３５……ナツト。 FIG. 1a is a sectional view showing the structure of a magnetic pump according to an embodiment of the present invention, and FIG. 1b is an enlarged sectional view of the periphery of the shaft end of the spindle. Second
Figure a is a cross-sectional view showing the structure of a conventional example, and Figure 2b is an enlarged cross-sectional view of the periphery of the shaft end of the spindle. Explanation of symbols, 1, 21...magnetic pump,
6, 26... Drive chamber, 7, 27... Partition wall, 8, 2
8... Impeller chamber, 9, 29... Spindle, 9
a, 29a...Shaft end, 9d...Second step, 10
, 30... Bearing, 12, 32... Impeller, 14
, 34... Thrust receiver, 15, 36... O-ring, 16, 35... Nut.

Claims

[Scope of utility model registration request]

a spindle fixed to the partition wall with a nut screwed onto the shaft end protruding from the opening of the partition wall toward the drive chamber; A magnetic pump that includes an impeller connected to a spindle via a bearing and provided with a driven magnet, and a thrust bearing fitted into the shaft end of the spindle adjacent to the bearing, the shaft end of the spindle being connected to the shaft end of the spindle. An O-ring is fitted and positioned in the stepped portion formed on the side, and the O-ring is in close contact with the stepped portion of the spindle, the impeller chamber side end surface of the partition wall, and the thrust receiving inner wall. A disc magnet type pump characterized by: