Question 1: The lock is not bad thief coming in?
In many cases of burglary cases reported this year, thieves entered the implementation of theft by directly opening the lock from the gate. Afterwards, the victim found that the locks were mostly intact. Based on years of experience in the repair of locks, Master Yan has judged that these thieves should have certain unlocking skills. They buy some unlocking tools by self-made or online, some use chewing gum or some rubber material to take the key shape from the keyhole sleeve, and then make a simple key method; some directly use tools to break the lock core.
Expert advice: the crescent lock is the most difficult to open
Master Yan introduced that there are many types of anti-theft locks for sale in the market, but in terms of key shape, they are basically classified into three types: one-line type, cross type and crescent type. The crescent lock is the most difficult to open due to the uneven force point.
Question 2: Anti-theft latch is not anti-theft?
Many stolen households said they had iron bolts on the inside of the security door and plugged in at night. But the thief also pulled the latch on the inside of the door after opening the door lock. In response to this situation, Master Yan said that for such a plug, experienced thieves can easily pull it over. Just take a small mirror and put it in from the door seam to observe the bolt. Then use some homemade tools to get the latch out right away.
Expert advice: plug with padlock
Master Yan pointed out that many of these anti-theft iron doors with latches are hollow. In this way, the thief can easily break the handle or the tool through the hollow slits. However, many citizens have neglected that the use of such plugs should be matched with padlocks.
Question 3: Is the 70% lock installed incorrectly?
Before the reporter got a set of data from another professional unlocking master, 70% of the door locks in Guangzhou had problems in installation, which directly led to the result of the criminals easily opening the door lock.
Expert advice: installation to fix the three-eye pressure plate
Master Yan pointed out that many problems exist in the installation of door locks, and the three-eye pressure plate failed to be fixed. The general public unlocks the key only by turning the lock hole in the center of the lock. However, if the whole lock is forcibly rotated by the tool, the lock link can be driven to open the door. If the three-eye pressure plate is firmly fixed with screws according to the instructions, then the criminals want to open the door by forcibly turning the lock with a tool.
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