Adjustable telescopic device

The utility model provides an adjustable telescopic device which comprises a fixing piece provided with a telescopic face, two guide rails arranged on the telescopic face of the fixing piece and a telescopic rod connected with the guide rails in a sliding mode and provided with a plurality of pulley...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WU CHANGFENG, ZHOU SHAOAN, LI QI, ZHANG YONG, XU YUQUAN, LIANG LIANG, LI YUANSHAO, LIU YU
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:	The utility model provides an adjustable telescopic device which comprises a fixing piece provided with a telescopic face, two guide rails arranged on the telescopic face of the fixing piece and a telescopic rod connected with the guide rails in a sliding mode and provided with a plurality of pulleys, the number of the guide rails is two, the guide rails are oppositely arranged on the telescopic face of the fixing piece, and a moving piece is arranged at the matched connection position of each pulley and the telescopic rod. Each moving part comprises slotted holes formed in the opposite side walls of the telescopic rod, the slotted holes are strip-shaped slotted holes which allow the pulley shaft to penetrate through and open towards the guide rail, and kidney-shaped holes formed in the two sides of the strip-shaped slotted holes respectively and parallel to the strip-shaped slotted holes. A fixing plate which is connected with the pulley shaft in a matched mode and provided with a screw hole is arranged in a