Easily select door lock
I. Preparations for the Purchase of Door Locks


1. Before choosing and purchasing door locks, first count the door thickness and door frame width of the door that needs to be locked, so that the salesman can configure the length of the lock core and the width of the lock body.


2. Doors are open single, double and left-right. It is necessary to know the opening direction of the door so that the salesman can configure the opening of the door lock. (Note: The hinges are left on the left side of the door and right on the right side of the door.)


3. The color of the door and the style of home decoration.


4. As a matching product of door lock, door hardware should keep in harmony with the design style of door lock, shape group beauty and maintain the integrity of design.


DISCRIMINATION BETWEEN STAINLESS STEEL LOCKS AND ZINC ALLOYS


Health and environmental protection are important factors in home culture in recent years, and are becoming more and more enthusiastic. As a result, forged copper locks with bacteriostasis, sterilization and beautiful appearance are warming up in the global market, which also brings the present situation of fish-eye mixed beads in door locks market. Following is an analysis and comparison of several kinds of door locks made of different materials to help consumers safeguard their legitimate rights and to understand and identify the advantages of stainless steel locks.


On the market, zinc alloy and stainless steel lock surface treatment color is very close, often appear shop assistants mislead customers, such as "zinc alloy material nickel-plated wire drawing color, only tell customers is wire drawing, do not say material nor color", lead customers to buy zinc alloy lock also think it is stainless steel lock. Therefore, when buying locks, please identify them carefully, or refer to the following methods:


Method 1. The weight of stainless steel lock with the same volume is heavier than that of zinc alloy lock, which can be clearly perceived from the feel.


Method 2. Scratching. It is hard and hard to scratch on the reverse side of the panel with sharp tools such as scraper or file. The same color inside and outside the scratch is stainless steel lock. The soft and easy to scratch silver-white is zinc alloy lock.


Method 3. Recognition of apical marks. Stainless steel lock material is hard, no positioning support holes are distributed in the center line of the inner surface of the panel when it comes out of the panel; zinc alloy material is soft, and 4-8 positioning support holes are distributed in the periphery and center of the inner surface of the panel when it comes out of the panel.


The stainless steel lock has a natural luster, delicate and warm texture compared with zinc alloy lock. It shows a beautiful texture under the light.


Method 5. Identify the brand and compare the goods.


3. Attention must be paid to the selection and use of door locks:


1. Choose famous brand locks produced by manufacturers with quality assurance.


2. Pay attention to the selection of locks in the same direction as your door.


3. Pay attention to the width of the door frame. Spherical locks and handle locks should not be used on doors less than 90CM.


4. When installing door locks, special attention should be paid. Only when the insured end is broken, can it be installed. Never install the key end.


5. Do not drop oil into the lock. If the key is not opened properly, install some pencil lead pins in the key eye.


6. If you unintentionally turn the in-house insurance into 90 degrees clockwise, it will be a permanent insurance, so you can only use the key to open it. You only need to turn the insurance into 90 degrees counterclockwise, which can be restored.


7. Don't wipe the lock body and handle with a wet cloth. Rotate the lock tongue into the lock body and release it after closing the door. Otherwise, the service life of the lock will be reduced.

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