Today, the lock on the market a wide range of portal lock, by Purpose bedroom lock, channel lock, bathroom lock; ball shape points lock, handle lock, mortise lock, Deadbolt locks terms. The ball-type lock and handle lock lock, handle and hitting the ball with three functions. Locks in the decoration of the time spent is relatively small, but the effect is indeed very important. Locks sold on the market are varied, but the quality is excellent doubtful, because frequent media reports that a key continuously open a few locks of news, even if the car is so valuable consumer goods, automotive locks also occasionally burst out simultaneously for two the door of the shocking news. Select lock brands and master locks buy has been more attention.

How to pick locks

Consumers should choose the copper core Zohar, but to pay attention to some petty core is plastic, and only at the core head wrapped a layer of copper "Copper" petty. Nickel-plated copper plated nickel and iron Suo appearance is almost the same, but the price difference, Zohar with mute general all copper, iron Zohar without mute, take a closer look the full copper Zohar fine workmanship, iron Zohar coarser work. Installation of the ball type Suo the eccentric not installed in place, use can easily go wrong. And a backhand Zohar the handle gently lift can Zohar dead, very convenient, but easy to key Zohar in the house.

Now the fastest selling handle locks, spherical lock outdated, not generally. In contrast, rotation Zohar with the voice of the smaller the better, handle transfer point Suo tongue should be followed up. Some from key shape is concerned, the "pit" like keys Zohar with the key to the "teeth" like Zohar with the safe, but the "pit" like lost the key must be to the original distribution. Zohar with square head tongue greater the number, the better the security. Choose Zohar with pay attention to the following points.

Should choose a high-profile, stable quality and good after-sales service enterprises.

Check the sign of the purchased product packaging are complete (including the implementation of standards, grade, production company name, address, date of production), the packaging is firmly match the content of the manual and product, beware of exaggerated phenomenon with the facts .

Observe the appearance of the product quality, including lock, lock, latch, handle and cover plate parts and related fittings are complete, electroplated parts, paint the surface color is bright and uniform, with or without rust, oxidation signs and broken .

Check whether the use function is reliable, flexible, comparison and examination should select two or more products, especially the purchase of two-way lock must all key internal the outside lock test switch. Should also check insurance institutions, it is recommended that each lock test at least three or more times.

Zohar with the use environment, such as dry humidity, door structure, thickness, and left open the door or right door, inner door or outside the door.

Mutual opening rate lock and key mutual opening ratio, the less a key to open the lock, to prove the safety and reliability of the stronger lock. Consumers in the purchase to try to pick the number keys Tooth lock, because the the key teeth spend more the number, the greater the difference, lock the mutual opening rate is lower.

Mutual opening rate lock and key mutual opening ratio, a key to open the lock, the less prove the security of this lock can be * the stronger. Consumers in the purchase to try to pick the number keys Tooth lock, because the the key teeth spend more the number, the greater the difference, lock the mutual opening rate is lower.

Locks appearance should be clear, the surface is not rough feeling to be comfortable. The locks open rotating flexible locking device should work, feel not the feeling of failure, confidential better performance.

When you purchase the material to be moderate, feel to be solid, reliable, and to refrain from selection of cheap and poor quality inferior materials manufacturing all kinds of locks.

Lock installation is also a key: installation must be strictly in accordance with the product instructions need to clearly understand the installation center distance, the scope and locks open. Particular attention in order to prevent the corrosion of the harmful substances can not be installed in the high humidity of the wood frame door on.

I usually keep the the lock body clean, to prevent foreign matter into the lock cylinder marbles tank, resulting in open fight rolling, even the lock can not be opened. Key to open the inconvenience to lock heart plus the right amount of kerosene, gasoline, or rust lubricant, interspersed repeated rotation can then insert the key. When the key used improperly broken, please call the vendors, and try not to take the key off in the lock cylinder.