Building door locks generally include three categories: handle door locks, anti-theft fire door locks, and electronic IC card locks. Among them, the electronic IC card door lock is not suitable for home use, because from the point of view of the function of anti-theft and anti-theft, the electronic lock is not stronger than the mechanical lock, but the price is much more expensive, so it is mainly applied to hotels, restaurants and other places. Anti-theft and fire-proof door locks are used for security door and entrance door in the room. At present, most of them adopt the three-azimuth insurance structure, that is, the three lock tongues lock the handle and the upper and lower latches respectively. When selecting, pay attention to the material of the lock and the inspection certificate of the relevant department.
The handle lock on the market is rich in color, gold-plated, titanium-plated, silver-plated, and chrome-plated, as well as imitation woodgrain, matte, imitation bronze, imitation gems. What kind of color is required to have a smooth surface, no spots, no rust damage.
With the meticulous and in-depth development of home decoration, the application of locks is also more specific, such as the use of sliding door locks on sliding doors, glass locks on glass doors, bumper locks for children's rooms, etc. However, the wide range of applications is still hand locks. Handle lock is divided into two types of ball lock and handle lock. There is a waterproof stainless steel bathroom ball lock, designed for the bathroom. After entering the bathroom, press the indoor side handle button to lock the door.
The most important thing is the quality of the lock. When you choose a lock, you should try to buy products with higher brand awareness, because there is a problem of open rates.
Inter-opening rate refers to the ratio of openness of the lock and the key, and the less locks a key can open, the stronger the reliability of the lock. At present, the open rate of the world-famous brand locks is only tens of thousands of times, and the open rate of domestic brands of excellent brands is also about one in six thousandth. Some products produced by lock factories that are not formal and have no production strength are open to each other. One-thirtieth of the rate, such a lock, safety and reliability is too bad. For a good branded product, although the price is slightly higher, the quality of the lock is guaranteed and it is still worthwhile. If you still want to choose a product with a low price, you can try to select the lock that has a large number of teeth, because the more the number of teeth in the key, the greater the difference and the lower the open rate of the lock.
When choosing the lock, pay attention to the material of the lock, because the quality of the material is directly related to the firmness of the lock.
A lock in his hand, mainly to see its lock tongue, if the length of the tongue, width, thickness dimensions are larger, it shows that this lock is good. There is also a trick to store the same type of locks sold in the store in the hands and repeat it. The heavier it shows that the material used in the lock cylinder is thicker, better in wear resistance and firmness; otherwise, the material is thin and easy to open. , easily damaged.
Also use the key to repeatedly insert and pull the keyhole several times, to feel that there is no supple feel, and then twist a few switches to see if the province is not working. These can help verify the accuracy of the lock. Through these procedures, you can choose a good lock to go home.
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