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等级根据有关标准,防盗门安全级别分为A、B和C。其中C级防盗性能最高,B级其次,A级最低。建材市场里看到的大部分是A级防盗门,比较适合一般家庭使用。 锁具合格的防盗门一般采用三方位锁具。不仅门锁锁定,上下横杆都可插入锁定,对门加以固定。劣质防盗门不具备三点锁定或自选三点锁定结构。并且,真正的好锁并不是锁点越多越好,4个锁点与10个、20个锁点其实没有什么本质区别。不论有多少个锁点,中心都在锁芯上。锁芯坏了,再多的锁点也没用。一般来说有4个锁点就足够了。
Level According to the relevant standards, security door security level is divided into A, B and C. C-class anti-theft performance of which the highest, B-level second, A-level minimum. Building materials market to see most of the A-class security door, more suitable for general home use. Locks qualified security door generally used three locks. Not only lock the door, the upper and lower rails can be inserted into the lock, the door to be fixed. Low-quality security door does not have a three-point locking or optional three-point locking structure. And, the real good lock is not lock the more the better, 4 lock points and 10, 20 lock points in fact there is no essential difference. No matter how many lock points, the center is in the lock cylinder. Cylinder broken, no more lock point is useless. In general there are four lock points is enough.