Now, almost every house has a “cat's eye†on the security door to make it easier for owners to observe the situation outside the door. However, many people may not know that this "cat's eye" security risks are quite large, why do you say this? Because some thief through the demolition "cat's eye", and then put a special tool into the "cat's eye" to open the unlocked door locks, burglary and implementation of theft, and this process is very short.
Security door cat eye installation method
It is very simple to remove the cat's eyes, open the door, use one hand to hold the cat's eyes fixed outside the door, and rotate the other hand inside the room counterclockwise to remove the cat's eyes. You can directly measure the diameter of the cat's eyelet, and the thickness of the door leaf, which is the easiest.
First buy your favorite cat's eyes, then measure how big the inner diameter of the cat's eyes is, and then go buy the hole cutter, pay attention to the hole when holding the drill, do not scratch the security door paint. In fact, there is no need to install their own, buy the cat's eyes, it is recommended to find a professional repair security door installed on it. A hole opener also requires a lot of money, buy it yourself but also hand drill, these tools will not be used by the average family, or find a repair more cost-effective security door. When you open the hole, measure the position of the front and rear boards. Otherwise, the front and rear openings will not be used to control the security door.
It took only 1 minute and 40 seconds for the cat's eyes to open
At 10 o'clock yesterday, we came to volunteer Zhang Zhangzhong to do the experiment. Lao Zhang's security door is used by many families in the urban area. Bai Weili said that this type of security door is a bite-toothed type and has a more anti-theft effect than door and door frames.
After viewing the "cat's eye", Bai Weili said that the part of the "cat's eye" outside the door of Lao Zhang's security door is plastic. If a thief comes to the crime, he can easily use the sharp objects like awl. It is broken and then the "cat's eye" is removed.
Because it was only a verification experiment, White Wiley did not destroy the old cat's "cat's eye," but instead removed it. A round hole with a diameter of 2 cm appeared on the door.
"'Unlocking the cat's eyes' is a very common unlocking technique, and we often use them." After briefly introducing White Wiley, he came up with the "cat's eye unlocking" tool - an L-shaped iron bar with 50cm on both sides. , the connection can be freely activities. One end of the collapsible iron bar is a chicken-like iron claw and the other end is a retractable handle.
Looking at this simple tool, we really can't imagine how we could open the door lock.
White Wiley came out of the house and closed the security door. At this time, the security door was not locked. White Willy stuffed the iron bar with one of his claws into the cat's eye hole. He held the handle on one end of the bar, and as his hand moved, he constantly adjusted the angle at the other end of the bar. After some temptation, only listen to "click" and the security door opened. Lao Zhang counted time around and only spent 1 minute and 40 seconds before and after.
After the security door was opened, everyone watched and the chicken-like iron claws were pressed against the door handles inside the room. White Wiley put the handles of the iron sticks down and pulled them out. The iron claws pushed the door handles down. The door opened.
"The principle is very simple, just like we usually open the door with a doorknob," said White Wiley.
Police: Citizens should unlock security doors when they go out
Yang Kai, a police station in front of the Chengdu Municipal Public Security Bureau, said that the police have already been aware of this kind of theft. Some surveillance probes also captured the whole process of thieves stealing through the “cat's eyeâ€. After the thief opened the "cat's eye", it opened the door in about a minute and the tool for committing crimes was extremely simple.
A civilian police officer surnamed Wang of the Public Security Bureau of Chenghua District, Chengdu, told reporters that in the case of burglary that had already occurred, the modus operandi generally used the weakness of “cat's eyeâ€. On Weibo, “Changle Public Security†official microblog also reminds netizens that there is a type of peeping tool called “anti-cat's eyes†on the internet that is selling well on the Internet. The tool is designed specifically for the "cat's eye", users can use it through the "cat's eye" to peep from the outside of the room everything, so that users do not have privacy, please pay attention to prevention.
The police said that the public can use copper or aluminum foil to make a cover and install it on the endoscope side of the "cat's eye" room so that the thief cannot discern the indoor situation. The most important thing is for the public to develop the habit of unlocking security doors. This is the best way to prevent theft.
The above is an introduction to the installation of the security door cat's eye, I hope to help you. For more information on security doors, please continue to pay attention to information on this site.
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