Pivot structure

A pivot structure comprises a rotary shaft, a spiral spring and a sleeve. The rotary shaft comprises a fixing segment and a connecting segment extending from the fixing segment. One end of the spiral spring is sleeved to the fixing segment, and the other end of the spiral spring extends to cover the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DING GANGMING, ZOU MINGZHENG, HUANG WUXIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A pivot structure comprises a rotary shaft, a spiral spring and a sleeve. The rotary shaft comprises a fixing segment and a connecting segment extending from the fixing segment. One end of the spiral spring is sleeved to the fixing segment, and the other end of the spiral spring extends to cover the outside of the connecting segment. The sleeve is rotatably sleeved to the connecting segment. The spiral spring twines on and surrounds the outer edge of the sleeve. Compared with the prior art only using two ends of the spring to abut to a pivot device to generate friction, the pivot structure generates the friction far larger than that generated in the prior art, and the pivot structure can bear higher load.