Telescopic device

The utility model provides a telescopic device, and relates to the technical field of telescopic devices. The telescopic device comprises a movable rod, the movable rod is sleeved with a sleeve, and the sleeve is provided with a conical cavity; a plurality of movable beads are evenly arranged on the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LI QIULIN, HAN KUNTAI, ZHOU WUMING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model provides a telescopic device, and relates to the technical field of telescopic devices. The telescopic device comprises a movable rod, the movable rod is sleeved with a sleeve, and the sleeve is provided with a conical cavity; a plurality of movable beads are evenly arranged on the movable rod in the circumferential direction at intervals and located in the conical cavity. Two movable pipes are oppositely arranged on the two sides of the movable ball and located between the movable rod and the sleeve. Two adjusting pipes are oppositely arranged along openings in the two ends of the sleeve, movably connected with the sleeve and located between the movable rod and the sleeve. A first spring used for matching according to the weight of an object is arranged between the movable pipe and the adjusting pipe, and the movable rod is sleeved with the first spring. According to the utility model, the springs bearing different pressures can be mounted by arranging the adjusting ring, so that the pressu