Hardware purchase: how to choose various types of locks

Although the lock is a small, inconspicuous hardware product, it has a very close relationship with people and society, and it is related to the security of every family, unit and public place. It plays a very important role in life. A good lock is not only the guarantee of people's life and property security, but also the finishing touch of the portal.

There are a wide variety of locks on the market today. According to their purpose, door locks can be divided into door locks, bedroom locks, channel locks, and bathroom locks. In general, when you select a door lock, you decide according to the function of the space that the door belongs to.

Door lock: The door of a home is the most important gateway to protect the family property. Therefore, its anti-theft performance requirements are relatively high, so it is also called a safety lock or anti-theft lock. At present, the good door anti-theft locks use steel as the main material rather than the cast iron in the past. Steel has a higher hardness and sturdiness than cast iron, and theft is not easy to see and therefore safer.

Bedroom lock: The most important bedroom space is privacy. Be sure to choose a lock that can be inserted into the door to ensure that the private space of the bedroom is not disturbed. At the same time, the bedroom's lock can't be too complicated and difficult to open like the front door lock, because you have to guarantee the convenience of living in the living room.

Channel lock: The function of the door handle and the bumper, there is no insurance function, suitable for the kitchen, hall, living room, dining room and children's door locks.

Bathroom locks: Safety is a top priority. The proper bathroom lock should be like this:

(1) It can be displayed whether there is anyone inside.

(2) Special springs are provided. If necessary, coins can be used to open the spring locks so that old people and children in the bathroom can be rescued in a timely manner.

(3) It has an anti-locking function to prevent the bathroom from locking due to wind and other unexpected factors.

Ball lock

According to the shape, the door lock can be divided into a ball type lock, a handle lock, and a deadlock (also called a spring lock).

Ball lock: The appearance is a ball shape. The lock feels full and there are many materials that can be used, such as wood, artificial stone, metal, plastic and so on. It now appears that this is old and is usually in the bathroom or bedroom door.

Handle lock: handle locks are generally made of copper, stainless steel, alloys and other materials. The switch, decoration and handle are three-in-one, and the function and appearance are more abundant. Ball locks and handle locks have three functions: lock, handle, and touch ball. Usually in the bedroom or on the access door.

Stay locked: Only the two functions of lock and touch the ball, mainly on the entrance door, there is no handle, switch is inconvenient, need another security handle.

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After knowing the type of lock, you should know how to buy it to buy your favorite lock, let you lock in peace of mind and live comfortably.

First, we must first check whether the logo and the mark of the purchased product packaging are complete (including the implementation standards, grades, production company name, address, and production date of the product). Whether the packaging is firm or not, and whether the content of the manual is consistent with the product, beware of exaggeration. Inconsistent with the facts. Whether you choose high-end or low-end lock products, you should consider selecting products with high reputation, stable quality, and good after-sales service, instead of looking at the price one-sidedly, and you should purchase it at a regular store.

Second, the appearance of the lock should be clear, the surface is not rough, feel comfortable. The lock turns on and rotates flexibly, and the locking device should work. When the hand feels, it cannot have a feeling of failure, and the security performance is better. Observe the appearance quality of the product, including whether the lock head, lock body, lock tongue, handle and cover plate components and relevant accessories are complete, and whether the surface color of the plating parts and paint spraying parts is bright and uniform, and whether there are signs of rust, oxidation, and damage. .

Third, the selection of materials should be moderate, feel strong and reliable, do not use low-cost quality and inferior materials made of various locks. You can use "see", "click", "listen" to grasp. Look at the appearance of color, locks made of pure copper are generally polished and frosted, compared with the copper plating, the color is dark, but it is natural. With its weight, the copper locks are heavy and the stainless steel locks are significantly lighter. Listening to the sound of its opening, the copper-plated lock has a relatively dull sound and the stainless steel lock sounds crisp.

Fourth, check the use of the product is reliable, flexible, should choose more than two products to carry out comparative checks, especially when buying two-way lock products, you must use all the keys for the internal and external locks test switch. Also check the insurance organization of the product. It is recommended to try each lock at least three times. The key and the lock groove, the lock core and the lock head hole must be compact, and the lock core groove should be closed to the center line. In the quality lock core, the 0.2mm thick plug piece cannot be stuffed.

Fifth, press the door to choose the lock, such as the structure of the door, thickness, open the door left or right, open the door or open the door. Pay attention to choose the lock that is the same as the door opening direction of the house. This will make the door easier to open and close, because the handle locks the left and right handles. Secondly, attention should be paid to the width and width of the door frame. Under normal circumstances, ball locks and handle locks cannot be placed on doors less than 90 mm. The width of the door's surrounding frame should be 90 mm or more and 100 mm or less. Ordinary ball lock 60 mm lock tongue should be selected; more than 100 mm can be used. Select the lock with a large cover that is 70mm, in addition, the thickness of the door and the lock is also an important option, in short, due to the door lock.

6. The mutual opening rate is the proportion of the lock and the key, and the less the lock that a key can open, the stronger the reliability of the lock. Consumers should try to choose the lock that has a lot of teeth when purchasing. Because the more the number of teeth in the key, the greater the difference, the lower the open rate of locks. Select the key to the depth of the teeth to disparity, flat, smooth, shallow tooth will increase the open rate.

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