JPH0176173U

JPH0176173U -

Info

Publication number: JPH0176173U
Application number: JP1987170280U
Authority: JP
Priority date: 1987-11-07
Filing date: 1987-11-07
Publication date: 1989-05-23

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例のかご形回転子を
示す図で、第２図の―線による断面を示す断
面図、第２図は第１図の―線による断面を示
す断面図、第３図は第２図のスロツト部を拡大し
て示す断面図、第４図はこの考案の他の実施例の
かご形回転子を示す断面図、第５図は第４図の
―線による断面を示す断面図、第６図は従来の
かご形回転子を示す図で、第７図の―線によ
る断面を示す断面図、第７図は第６図の―線
による断面を示す断面図、第８図は第７図のスロ
ツト部を拡大して示す断面図である。１は回転子鉄心、２はスロツト、３は回転子バ
ー、４はエンドリング、５は軸、６は熱収縮性合
成樹脂の筒、８は非磁性リングである。なお、図
中、同一符号は同一または相当部分を示す。 FIG. 1 is a diagram showing a squirrel-cage rotor according to an embodiment of the invention, and FIG. 2 is a cross-sectional view taken along the line --- in FIG. Fig. 3 is an enlarged sectional view of the slot portion in Fig. 2, Fig. 4 is a sectional view showing a squirrel cage rotor according to another embodiment of this invention, and Fig. 5 is taken along the line - - in Fig. 4. 6 is a diagram showing a conventional squirrel cage rotor; FIG. 7 is a sectional view taken along the line - in FIG. 7; FIG. 7 is a sectional view taken along the line - , FIG. 8 is an enlarged sectional view showing the slot portion of FIG. 7. 1 is a rotor core, 2 is a slot, 3 is a rotor bar, 4 is an end ring, 5 is a shaft, 6 is a tube made of heat-shrinkable synthetic resin, and 8 is a non-magnetic ring. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

a cylindrical rotor core having a plurality of slots spaced apart in the circumferential direction and opened on the outer periphery;
A rotor bar inserted into the slot, an end ring fixed to the axial end of the rotor bar,
The above-mentioned squirrel-cage rotor includes a tube made of heat-shrinkable synthetic resin that covers the outer periphery of the rotor core and is heated and adhered tightly.