Special-shaped anti-theft bolt

The utility model provides a special-shaped anti-theft bolt, and relates to the field of anti-theft bolts, the special-shaped anti-theft bolt comprises screw rods and an automobile hub, a mounting disc is arranged at the center of the automobile hub, four mounting holes are formed in the mounting di...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHOU GANG, GU JIANXUE
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 special-shaped anti-theft bolt, and relates to the field of anti-theft bolts, the special-shaped anti-theft bolt comprises screw rods and an automobile hub, a mounting disc is arranged at the center of the automobile hub, four mounting holes are formed in the mounting disc in a surrounding and penetrating manner, and four screw rods are inserted into the four mounting holes; an anti-theft cover plate of a circular structure is installed on the special-shaped nut in a sleeved and inserted mode, and the anti-theft cover plate is matched with an opening in the front end of the installation hole in the installation disc in an inserted and connected mode. A positioning insertion sleeve of a circular structure is arranged at the center of a hollow groove of the anti-theft cover plate, and two arc-shaped insertion grooves and two triangular insertion grooves are formed in the circumferential inner wall of the hollow groove of the anti-theft cover plate in a surrounding mode; according to