Lifting desk and chair

A lifting desk comprises a desktop, a base and a lifting mechanism. The lifting mechanism comprises a sleeve, an upper screw rod and a lower screw rod; the upper screw rod extends into the sleeve fromthe top end of the sleeve and is in threaded connection with an upper port of the sleeve; the lower...

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Bibliographic Details
Main Author LI JIECHENG
Format Patent
LanguageChinese
English
Published 01.12.2020
Subjects
BEDS
CABINETS
CHAIRS
COFFEE MILLS
DESKS
DOMESTIC ARTICLES OR APPLIANCES
DRAWERS
FURNITURE
GENERAL DETAILS OF FURNITURE
HUMAN NECESSITIES
OFFICE FURNITURE
SOFAS
SPICE MILLS
SUCTION CLEANERS IN GENERAL
TABLES
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Summary:A lifting desk comprises a desktop, a base and a lifting mechanism. The lifting mechanism comprises a sleeve, an upper screw rod and a lower screw rod; the upper screw rod extends into the sleeve fromthe top end of the sleeve and is in threaded connection with an upper port of the sleeve; the lower screw rod extends from the bottom end of the sleeve and is in threaded connection with the lower port of the sleeve; the lower screw rod is hollow, and the upper screw rod can extend into the lower screw rod; a first clamping structure is arranged in the sleeve close to the top; a second clamping structure is arranged at the bottom end of the upper screw rod; the second clamping structure is matched with the first clamping structure when rising to the top of the sleeve in a rotating mode, and the sleeve rotates along with the upper lead screw; when the sleeve descends to the top end of the lower lead screw and abuts against the first clamping structure, the first clamping structure is separated from the second clam
Bibliography:Application Number: CN202020143208U