Automatic tensioning wheel assembly with semicircle locking structure

The utility model relates to an automatic tensioning wheel assembly with a semicircle locking structure. The automatic tensioning wheel assembly with the semicircle locking structure comprises a cover plate, a sleeve and an automatic tensioning wheel. Four semicircle notches are arranged in the matc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WEI BANGSHENG, SUN FENGMEI, SHEN RENRONG
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 GEARING 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 relates to an automatic tensioning wheel assembly with a semicircle locking structure. The automatic tensioning wheel assembly with the semicircle locking structure comprises a cover plate, a sleeve and an automatic tensioning wheel. Four semicircle notches are arranged in the matching portion of the cover plate and the sleeve, the sleeve penetrates into an inner hole of the cover plate and is riveted with the cover plate, and the automatic tensioning wheel is fixed on the sleeve. The diameters of the semicircle notches are 2mm. When the cover plate is riveted with the sleeve, upsetting is carried out on materials on an outer diameter step of the sleeve, the sleeve and the cover plate are in interference close fit, some materials are pressed into a tooth-shaped notch of the cover plate, and locking effect can be achieved.