The door is the face of the house, and the lock is the soul of the door. Home security is not safe, you have to pay attention to the door; the door is not safe, you have to look at the security of the lock. If the door is a level of home security, then the lock is a member of the ranks stationed on this level. Therefore, the lock has always been known as the "iron general." In other words, the safety of the family and the family’s property depends on the “iron general†stationed on the door.
However, is the lock currently used in residents' homes really safe? In front of the thief, does it really have the ability to "when a husband is a singer?" I believe this is a problem that many users care about. But in fact, more than 70% of the users currently use locks are not safe.
In particular, more than 90% of the residents living in the old community are still using the old locks produced in the 80s and 90s, or the A-class locks with very low security. This kind of lock is in front of the thief, like a paper tiger. It can't be burglared at all. Even some thieves can open the old lock or A-level lock in less than 5 seconds, which is faster than the owner unlocking the original key. Still faster.
Most importantly, the thief can easily open the old locks or A-level locks in the user's home through simple tools such as tin foil, electric guns, keychains, and wire, without leaving any traces or damage to the locks. Many users After being stolen, you can't find it immediately. After the user finds that the home has been stolen, it has been a matter of several days, thus delaying the timing of the crime. Even if the thief can be caught, the property may have been squandered by them, it is difficult to recover, and it is inevitable for the user. Loss.
If your family still lives in an old neighborhood, or is still using old locks and very unsafe A-class locks, then be aware that your home may have become the thief’s next theft target. A C-class lock with a higher security level. Because, in the current national standards, C-class locks are the longest time, whether it is anti-technical or anti-violence.
In the current national lock standard, the lock is divided into three levels: A/B/C according to the anti-theft performance:
From the above figure, we can see that the C-level lock prevention technology requires no time to open within 10 minutes, while the B-level lock is 5 minutes and the A-level lock is 1 minute. In terms of anti-violence opening, the C-level lock is Anti-drilling, anti-saw, anti-smashing, anti-pull, anti-shock time are 30 minutes, 15 minutes higher than the B-class lock.
So, how do you distinguish between the three levels A, B, and C? What are the characteristics of C-class locks? The following is a simple method of identification:
Class A lock: At present, the A-level anti-theft lock key on the market mainly has a word key and a cross key.
Class B lock: Class B lock key is a flat key, with double row of marble slots. The difference with A lock is that there is a row of curved and irregular lines on the key surface. The main types of lock cylinders are 3 types, computer double-row lock core, double-row crescent lock core, double-sided vane lock core.
Class C lock: The key shape is a single-sided blade inner milling slot or an outer milling slot key, and the lock cylinder type is a side cylinder lock cylinder. The structure of the marble is locked by the double row of blades and the V-shaped side column; if the lock cylinder is opened by a strong twisting tool, the internal core of the lock cylinder is broken, and the self-explosion is locked, resulting in failure to open.
If you feel that carrying the keys is too much trouble and easy to lose, you can also install a smart lock. But whether it is a mechanical lock or a smart lock, the lock core level is very important. Try to buy a smart lock with a C-class lock cylinder. At the same time, try to buy a well-known brand smart lock from a formal channel.
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