One-way friction mechanism and lifting push rod

The one-way friction mechanism comprises a lead screw, a friction generation assembly, a bearing baffle and a connecting piece, a connecting section at the upper end of the lead screw is connected with the connecting piece to achieve synchronous rotation, and the friction generation assembly compris...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HUANG LIXIAN, ZHU GENGXING, LIU TAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING BRAKES CABINETS CLUTCHES COFFEE MILLS COUPLINGS FOR TRANSMITTING ROTATION DESKS DOMESTIC ARTICLES OR APPLIANCES DRAWERS ENGINEERING ELEMENTS AND UNITS FURNITURE GENERAL DETAILS OF FURNITURE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAULING HEATING HOISTING HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD HUMAN NECESSITIES LIFTING LIGHTING MECHANICAL ENGINEERING OFFICE FURNITURE PERFORMING OPERATIONS SPICE MILLS SUCTION CLEANERS IN GENERAL TABLES THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The one-way friction mechanism comprises a lead screw, a friction generation assembly, a bearing baffle and a connecting piece, a connecting section at the upper end of the lead screw is connected with the connecting piece to achieve synchronous rotation, and the friction generation assembly comprises a friction piece and a torsion spring. The upper end face of the friction piece is attached to the lower end face of a baffle of the bearing baffle, a torsion spring inner ring of the torsion spring is sleeved with a shaft neck of the connecting piece penetrating through the bearing baffle in an interference mode, and a torsion arm of the torsion spring is installed in a groove of the friction piece in an embedded mode. And when the connecting piece rotates, the inner ring of the torsional spring and the shaft neck can be in a tight holding state or a loose state. According to the one-way friction mechanism, when the connecting piece in the one-way friction mechanism rotates in one direction, the overall frictio