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First, the material is very important
Compare the advantages and disadvantages of various types of material door locks on the market, choose green and environmentally friendly products to protect the health of family members:
1. Space aluminum - easy to process and form; low development cost; soft texture, easy to deform; low strength, poor impact resistance; cold and monotonous color, easy to oxidize, short life; simple monotonous style, low value of material itself, poor fireproof function .
2, zinc alloy - easy casting processing, low development cost; many styles, surface color; low strength, poor impact resistance, poor rust resistance, internal materials are prone to oxidation, spots appear; crisp and easy to break, not prevent Drilling, anti-smashing, anti-saw; the material itself is of low value; it is not resistant to low temperature;
3, stainless steel - strong corrosion resistance, high strength, fire, anti-drill, anti-smash, anti-saw, anti-shock, long service life; uniform texture, good density, no pores, sand holes, bright and uniform color, fine; green , complicated production process and high development cost
Second, the preparation of the door lock before purchase
1. Before purchasing the door lock, first count the door thickness and door frame width of the door that needs to be locked, so that the salesperson can configure the length of the lock cylinder and the width of the lock body.
2, the door has a single open, double open, left and right open points, you need to understand the opening of the door, so that the salesperson can configure the opening of the door lock. (Note: The hinge is mounted on the left side of the door and the left side is opened on the left side of the door.)
3, the color of the door and home improvement style.
4, door hardware as a supporting product of the door lock, should be kept in harmony with the design style of the door lock, shaping the beauty of the group and maintaining the integrity of the design.
Third, the identification of stainless steel lock and zinc alloy
Health and environmental protection are important factors in the home culture in recent years, and they are becoming more and more enthusiastic. Therefore, the forged copper lock with antibacterial, sterilizing and beautiful appearance is heating up in the global market, which also brings the current situation of the fish in the door lock market. The following is an analysis and comparison of several different types of door locks to help consumers maintain their legal rights, to verify the excellent characteristics of stainless steel locks:
In the market, zinc alloy and stainless steel lock surface treatment color is very close, often the salesperson misleads customers, such as "zinc alloy nickel-plated brushed color, only tell the customer is drawing, not to mention the material does not say color", resulting in customers to buy The zinc alloy lock is also thought to be a stainless steel lock. Therefore, when buying a lock, please ask the customer's friends to identify it carefully, or you can refer to the following methods to identify:
Method 1, the same volume of stainless steel lock weight than zinc alloy lock, can be clearly felt from the hand.
Method 2, scratching method. Use a sharp knife or a sharp knife to scratch the back side of the panel, hard and difficult to draw and the same color inside and outside the mark is stainless steel lock, soft and easy to draw silver white is a zinc alloy lock.
Method 3, the method of identifying the top mark. The stainless steel lock material is hard. When the panel is out, there is no positioning support hole distributed in the center line position of the inner surface of the panel; the zinc alloy material is soft, and 4-8 positioning support holes are distributed on the periphery and the center of the inner surface of the panel when the panel is out.
Method 4, visual method, by visually identifying the surface difference between the two materials, the stainless steel lock is more natural, delicate and delicate, and the texture is warmer than the zinc alloy, and the brilliant texture is presented under the illumination of the light.
Method 5, look for the brand, shop around.
Fourth, you must pay attention to the selection and use of the door lock:
1. Choose brand-name door locks produced by manufacturers with quality assurance.
2. Pay attention to the door lock that is the same direction as your door.
3, pay attention to the width of the door frame, the ball lock and handle lock can not be used on the door less than 90CM.
4. Pay special attention when installing the door lock. You can only fold the end with the insurance to install it. Do not fold the installation with the key.
5, do not drop the oil into the lock, if the key does not work, you can put some pencil core pin into the key eye.
6. If you inadvertently rotate the house insurance to 90 degrees in time, it will become a permanent insurance. This can only be started with a key. Simply turn the insurance counterclockwise to 90 degrees to recover.
7. Do not wipe the lock body and handle with a damp cloth, rotate the lock tongue into the lock body, and then release the door after closing the door, otherwise the service life of the door lock will be reduced.