Patent ID: 9206825
Filing Date: 2015-12-08
Classification: F04D,F16B,F16D,Y10T

Abstract:
1. A connection between a wind wheel of a blower and a motor shaft, the connection comprising; a wind wheel comprising a bottom wheel plate having a sleeve cover; a motor shaft comprising a threaded end having a first shaft part and a second shaft part; said first shaft part having an outer shaft surface, a shaft thread, and a shaft boss; and said second shaft part having a shaft step; and a shaft sleeve comprising a base sleeve plate, a cylindrical sleeve sidewall, and a sleeve hole; said cylindrical sleeve sidewall having a bottom sleeve surface, a top sleeve surface, an outer side sleeve surface, and an inner side sleeve surface; and said inner side sleeve surface having a sleeve thread; wherein: said sleeve cover is projected from said bottom wheel plate; said base sleeve plate and said outer side sleeve surface are wrapped by the said sleeve cover; said cylindrical sleeve sidewall extends from said base sleeve plate; said bottom sleeve surface is connected to said base sleeve plate; said top sleeve surface is disposed opposite to said bottom sleeve surface; said outer side sleeve surface extends from said bottom sleeve surface to said top sleeve surface; said inner side sleeve surface extends from said bottom sleeve surface to said top sleeve surface; said sleeve hole is confined by said base sleeve plate and said inner side sleeve surface; said first shaft part is inserted in said sleeve hole; said second shaft part is disposed outside of said sleeve hole; said shaft thread and said shaft boss are disposed on said outer shaft surface; said shaft step radially extends outward relative to said outer shaft surface; said shaft boss is disposed between said shaft thread and said shaft step; said shaft thread cooperates with said sleeve thread; said shaft step directly abuts against said top sleeve surface; and said shaft boss directly abuts against said inner side sleeve surface.