Square core for preventing intelligent door lock from being unlocked violently and intelligent door lock adopting square core

The utility model relates to a square core for preventing an intelligent door lock from being unlocked violently, which comprises a square core, an annular groove is arranged on the outer wall of the square core along the circumferential direction of the square core, and the square core is divided i...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YANG QIFA, DENG BANGRONG, YANG SHUNTIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES THEREFOR FIXED CONSTRUCTIONS HANDCUFFS KEYS LOCKS SAFES WINDOW OR DOOR FITTINGS
Online-Zugang:	Volltext bestellen
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