Telescopic sleeve convenient to fix

The utility model discloses a telescopic casing pipe convenient to fix, which comprises an outer casing pipe and an inner casing pipe which are mutually sleeved, one ends of the outer casing pipe and the inner casing pipe, which are far away from each other, are respectively provided with a base, th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	LIN FUYUN
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 discloses a telescopic casing pipe convenient to fix, which comprises an outer casing pipe and an inner casing pipe which are mutually sleeved, one ends of the outer casing pipe and the inner casing pipe, which are far away from each other, are respectively provided with a base, the outer ring of the inner casing pipe is provided with a fixing groove, the outer casing pipe is in threaded connection with a limiting bolt, and the limiting bolt is in threaded connection with the base. The end, away from the base, of the inner sleeve is provided with a clamping end, and the clamping end is clamped in a limiting groove in the inner side of the outer sleeve. The telescopic sleeve is scientific and reasonable in structural design, the outer sleeve and the inner sleeve are arranged to form a main body structure of the telescopic sleeve, and the bases with the connecting holes formed in the side faces are arranged at the ends of the outer sleeve and the inner sleeve to serve as connecting pieces, so