JPH0193398U

JPH0193398U -

Info

Publication number: JPH0193398U
Application number: JP18824187U
Authority: JP
Priority date: 1987-12-10
Filing date: 1987-12-10
Publication date: 1989-06-20

Description

[Brief explanation of the drawing]

図面は本考案の実施例を示しており、第１図は
遠心送風機の要部破断平面図、第２図は第１図に
おけるＡ―Ａ線断面図、第３図は第２図における
Ｂ矢視図、第４図は遠心送風機の縦断面図、第５
図はロータ羽根を示す第１図におけるＣ矢視図で
ある。２……吸口プレート、３……エンドプレート、
４……ロータ羽根、１１……折曲げ端、１２……
プレスかしめ構造、１３，１４……取付舌片。 The drawings show an embodiment of the present invention; FIG. 1 is a cutaway plan view of essential parts of a centrifugal blower, FIG. 2 is a cross-sectional view taken along line A--A in FIG. 1, and FIG. A perspective view, Fig. 4 is a vertical cross-sectional view of the centrifugal blower, Fig. 5
The figure is a view taken along arrow C in FIG. 1 showing the rotor blades. 2... Suction plate, 3... End plate,
4...Rotor blade, 11...Bent end, 12...
Press caulking structure, 13, 14...Mounting tongue piece.

Claims

[Scope of Claim for Utility Model Registration] In a centrifugal blower in which rotor blades 4 are arranged radially between a suction plate 2 and an end plate 3, and the rotor blades 4 are formed into a hollow blade shape by a press molded product made of a metal plate material. The rotor blade 4 is formed by joining the overlapping plate surfaces at the bent end 11 by a press caulking structure 12, and the mounting tongues 13 and 14 provided at both upper and lower ends of the rotor blade 4 are attached to the suction plate 2 and the end. They are attached to the plate 3 in an engaged and fixed manner, and the press caulking structure 12 and the engagement structure of the mounting tongues 13 and 14 maintain the cross-sectional shape of the rotor blade 4. Features a centrifugal blower.