What kind of lock is safer to use? Three measures to protect the safety of their own locks

Yesterday, the reporter went to Jiefang North Avenue, a lock-up company that was filed with the Public Security Bureau. The senior master of the lock, the master of the old-fashioned lock, cross lock, computer slot lock and blade side lock on the market. Perform an unlocking experiment to see how long it takes to open a "technical" means without a key. What kind of lock is safer to use? Should you pay attention to the maintenance of the anti-theft lock?
       Master Zhang personally operated, it seems that it is very easy to open a lock. When the reporter personally experienced it, it can cost a lot of effort, and did not open an ordinary first-generation lock.

First and fourth generation locks of experimental equipment, one stopwatch, several unlocking tools
Experimental procedure

First generation old-fashioned word lock

       1. The first generation of old-fashioned word lock unlock time: 7 seconds to open
       The process of unlocking: The first-generation one-word lock has been used in the market for more than 30 years, mainly the anti-theft lock of the family wooden door. The traditional marble structure is used, and the marbles are distributed up and down. The market price is about 30 yuan. After the experiment started, Master Zhang used the unlocking tool to make a few strokes. The one-word lock was opened and it took only 7 seconds.

Second generation cross flower lock

2. Second generation cross flower lock unlock time: 20 seconds to open
       Unlocking process: The second generation of cross flower locks has been used in the market for about 15 years, mainly for home security doors, bicycle locks, etc. This kind of lock also uses a marble structure, but there are marbles on all sides of the lock core, and the safety factor is higher than the old one-word lock. The market price is below 100 yuan. Master Zhang used an unlocking tool. Although the four wings increased the difficulty compared to the first-generation lock, the principle was the same. In 20 seconds, Master Zhang opened the cross lock.

Third generation computer slot lock

       3. The third generation computer slot lock unlock time: 22 seconds to open, the enhanced version takes 1 minute
       Unlocking process: The teeth of the third-generation computer slot lock key are made by computer. The safety factor is high. It has been used in the market for seven or eight years. This lock is the mainstream lock on the market now. The key to this lock has 2 rows of teeth sold for more than 100 yuan. Master Zhang also only had teeth, which increased the safety factor. Master Zhang opened the lock in 22 seconds. Then, when the lock was opened, the tool was replaced twice. When Master Zhang changed the power of the enhanced version, the lock was successfully opened for 1 minute.

Fourth generation blade side column lock

       4. The fourth generation of blade side column lock unlocking time: there is no way to carry out "technical unlocking"
       Unlocking process: The latest fourth-generation lock is called the blade side column lock. It is a more advanced lock type that has been introduced in the market. It has been launched in the market for about 2 years. The lock uses 18 leaves to say that there is currently no way to use the tool to open the corresponding steel column with the technology, which greatly enhances the hard lock of the crack. To open this lock, only the violence can be adopted, and the market price is about 300 yuan. Master Zhang, using electric drills and sanders to demolish.

Experimental conclusion "three strokes" to protect the safety of their own locks
       Master Zhang reminded that it is easier to open the lock for technicians. For ordinary citizens, technical unlocking is still very difficult, so the first three generations of lock residents can use it with confidence. After all, the first three generations of lock residents are very common. Can stand the test of time. Master Zhang made the following three suggestions:
       1. Can be installed with lock core anti-smashing cover
       Manager Hu, the manager of the company, said that when selecting the locks, the public should choose the manufacturers of well-known brands, and the keys of the locks are A, B and C. The safety of the locks of the C-class is the best.        The double-row computer slot key and the crescent multi-row key are all C-class keys with high safety factor. The public can also install a cat eye protector and a lock core anti-smash cover when purchasing the lock to increase the safety factor of the lock. ”

2. Locks should be maintained frequently
       Manager Hu also reminded the public not to add sesame oil to the inside because the keyhole is dry, because adding sesame oil may cause the marbles in the lock cylinder to stick to the lock core wall, which may cause damage to the lock. The public can add professional lock lubricant or a small amount of lead powder and talcum powder to the lock cylinder to reduce the dryness of the lock.
       3. Consider upgrading your home locks
       Locks are constantly upgraded to make residents more reliable. The safety of the lock itself is very important. It is best to consider the technical performance of the lock when purchasing. If the public is not at ease, they can upgrade their own locks and choose a higher safety performance. Locks.