Waterproof device

A waterproof device is used for a suction cleaner provided with a fixed impeller, a moving impeller, a motor, a fan housing, a transmission shaft and a bearing, wherein the bearing is arranged at the inner side of the fixed impeller and forms an inner groove between the bearing and the fixed impelle...

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Bibliographic Details
Main Author DENG XIANGTAO
Format Patent
LanguageChinese
English
Published 29.02.2012
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Summary:A waterproof device is used for a suction cleaner provided with a fixed impeller, a moving impeller, a motor, a fan housing, a transmission shaft and a bearing, wherein the bearing is arranged at the inner side of the fixed impeller and forms an inner groove between the bearing and the fixed impeller. The waterproof device comprises a sleeve sleeved on the transmission shaft and arranged above the bearing, and a sealing ring sleeved out of the sleeve, wherein a crimped edge extends out of the bottom of the sealing ring in an outward manner, and the crimped edge is embedded in the inner groove. The waterproof device prevents the bearing from damage caused in that moisture penetrates into the bearing via the fixed impeller, protects the motor away from influence, and guarantees the service lifetime of the motor; and at the same time, the sealing ring is directly sleeved out of the sleeve for cooperation, with no need of fine grinding processing to the sleeve, and the waterproof device is relatively simple in st
Bibliography:Application Number: CN20112273432U