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Recently, @Zhejiang Public Security and @平安æå·ž on Weibo have forwarded a picture to teach you the key to identify the security level of the lock. The first one, the awesome is the cross lock and key that is still in service on the door of many people. For a "technical flow" thief, using wire and tin foil, it is easy to crack such a door lock in less than a minute.
Also in April of this year, 32 series of theft cases in Weihai City caused enthusiastic concern of the general public. After the investigation of the later cases, according to the police investigators, this series of cases were all caused by technical unlocking and burglary. Molecules use the "tweezing paper" and other unlocking tools to repeatedly succeed, and the security door of the stolen households are equipped with "a word", "cross" or ordinary computer keys and other low-level locks.
It is understood that the current security door lock cores are mainly divided into A, B and B grades. Because the A-class and B-class lock cores are mainly marble structure, the anti-theft coefficient is relatively low, and the national standard for preventing technical opening is only 1-5 minutes, while the super-B lock cylinder is mainly composed of a large blade structure and a high key. The anti-technical opening time is generally more than 260 minutes; currently, the "C-class" locks claimed by individual manufacturers on the market, in fact, the country does not have this standard, only the gimmicks of individual manufacturers.
At present, the super B-class lock cylinder has been upgraded.
According to the lock expert, even the current super B-class lock cylinder has been upgraded. At present, the lock core with high anti-theft coefficient has been upgraded to anti-twist and idling design. The thief can't start, if it is equipped with the top anti-destruction. Panels, it is estimated that novice thieves can do nothing.
At present, the lock core anti-theft level of most engineering supporting security doors is generally Class A. Experts recommend that the public replace the super B-class lock core with higher anti-theft level as soon as possible.
Choosing a security door should recognize the key
In addition to the door locks, the public should recognize the key when selecting the security door. At present, steel doors, metal doors and entrance doors on the market are produced according to enterprise standards, and are not security doors. According to the relevant standards, the security door is divided into three levels: A, B, and C. The real security door must pass the statutory testing agency to pass the standard test, and the security product production permit issued by all provincial public security technical departments of the production enterprise can be regarded as the security door.
The anti-theft performance of the security door is mainly the performance of the key and the lock. The qualified security door generally adopts a three-position lock, not only the door lock is locked, but also the upper and lower rails can be inserted into the lock to fix the door.