JPS61171900U

JPS61171900U -

Info

Publication number: JPS61171900U
Application number: JP5511585U
Authority: JP
Priority date: 1985-04-12
Filing date: 1985-04-12
Publication date: 1986-10-25

Description

[Brief explanation of the drawing]

第１図は本考案のインペラーの正面図、第２図
は、そのＡＡ視断面図である。第３図は従来のピ
ンによるかしめ構造のインペラーの正面図、第４
図は、そのＢＢ視断面図に、ピンによるかしめ構
造を例示した図である。２…前面シユラウド、３…後面シユラウド、４
…心軸、５…羽根、６ａ，６ｂ…係合ピン、７ａ
，７ｂ…係合受孔。 FIG. 1 is a front view of the impeller of the present invention, and FIG. 2 is a cross-sectional view taken along the line AA. Figure 3 is a front view of an impeller with a conventional pin-caulking structure;
The figure is a diagram illustrating a caulking structure using a pin in its BB cross-sectional view. 2...Front shroud, 3...Rear shroud, 4
... Core shaft, 5... Vane, 6a, 6b... Engagement pin, 7a
, 7b...Engagement receiving hole.

Claims

[Claims for Utility Model Registration] 1. An impeller that includes front and rear shrouds and a plurality of blades sandwiched between them, and in which the shroud and the blades are bonded over the entire contact surface with a strong adhesive. 2. The impeller according to claim 1, in which the rear shroud and the blades are integrally formed. 3 Utility model registration claim paragraph 1 or 2 in which an engaging part for determining the locking relationship is disposed on the contact surface
Impeller as described in section. 4. The impeller according to claim 3, wherein the engaging member is fixed to the shroud. 5. The impeller according to claim 4, wherein the engaging member is a pin.