Lifting mechanism of electric fan

A lifting mechanism of electric fan comprises an internal column pipe, a base for external column pipe, an external column pipe and a positioning mechanism which comprises the positioning steel balls and a spring-restoration device; the internal column pipe of the utility model is fixed on an intern...

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Bibliographic Details
Main Author CAIZHEN YANG
Format Patent
LanguageEnglish
Published 03.04.2002
Edition7
Subjects
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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Summary:A lifting mechanism of electric fan comprises an internal column pipe, a base for external column pipe, an external column pipe and a positioning mechanism which comprises the positioning steel balls and a spring-restoration device; the internal column pipe of the utility model is fixed on an internal column base; one end of a lifting pull rod is movably connected in the internal column base and the other end of the lifting pull rod is fixed on a lifting positioning rod; the positioning end of the lifting positioning rod is movably connected in a lifting position sleeve and the lifting position sleeve is fixed at the other end of the internal column pipe and is arranged in the external column pipe. The utility model has simple structure and convenient lifting operation and a lifting keypad is used for controlling the lifting of the single-rod or double-rod electric fan.
Bibliography:Application Number: CN2000240335U