The full name of anti-theft door is "anti-theft security door". It has both anti-theft and safety performance. According to the "General Technical Requirements for Anti-theft Security Doors", a qualified anti-theft door cannot be pried or opened on the door leaf by using ordinary hand tools such as chisels, screwdrivers, crowbars, and portable electric tools such as hand drills within 15 minutes. Opening, or opening a 38 square millimeter opening in a semicircle of 150 square millimeters at the locking point. And the lock used on the anti-theft door must be a special anti-theft door lock with anti-drilling function that has passed the inspection by the Ministry of Public Security Inspection Center. The anti-theft door can be made of different materials, but only the door that meets the standard test and obtains the production permit for security products can be called the anti-theft door.
Security door level
The security level of anti-theft door products is divided into 4 levels according to the national standard of anti-theft door: "A", "B", "C", and "D". "And "D" means that the thickness of the door frame steel plate is 2mm, 2mm, 1.8mm and 1.5mm respectively.
If the level is the same, the higher the weight, the more the lock points, the denser the steel frame, and the more the lock protects the anti-theft door, the quality is relatively better. Since it is difficult to see the skeleton of the security door, the owner can refer to the product section provided by the dealer and also judge from the weight. Generally speaking, the heavier the weight and the denser the internal steel framework, the stronger and safer the door will be.
Anti-theft lock
Anti-theft locks are classified into A, B and super B/C levels according to the security level. The A-level has the lowest anti-theft. There is only a marble slot on the key. The most common A-level key has a letter/cross key. The China Consumers Association recently warned that the anti-theft door A-level lock can be opened in tens of seconds or even a few seconds. It is recommended that consumers buy a more secure B-level lock cylinder for the anti-theft door.
The anti-theft special lock used for the anti-theft door should be tested and qualified by the public security department. The lock should be protected by a steel plate with a thickness of more than 3.0mm. The effective length of the main bolt should not be less than 16 mm, and a bolt stop device should be designed. If there is no, it is a substandard and inferior product.
Anti-theft door locks equipped with automatic anti-theft magnetic keys are the mainstream at present. Magnetic keys with better quality cannot be copied. They can be configured by the manufacturer with a password. The owner does not need to replace them after the decoration workers have used them. The master key can hardly work on it. There are also AB key anti-theft door locks and smart door locks. In the former, workers use the A key to open the door during the renovation. After the renovation, the owner inserts the B key into the lock hole, and the A key is scrapped.
Anti-theft door material
In terms of materials, copper anti-theft doors have the best anti-burglary performance, but the price is also the most expensive, while the popular models are steel anti-theft doors, which are economical and affordable. The thickness of the door body is generally more than 20mm. When purchasing, you can remove the cat eye, doorbell box or lock handle to check the internal structure of the door body. There should be several reinforcing steel bars inside the door to organically connect the front and rear panels of the door.
It is better to have asbestos as a filler in the anti-theft door, or other similar materials with fire-proof, heat-preserving, and sound-proof functions, to improve the safety index of the anti-theft door and protect the health of the family.
Security door installation
During the trial installation of the anti-theft door, pay attention to whether the fit between the door leaf and the door frame is tight, the gap is uniform, whether the opening is flexible, whether all joints are dense, and the surface of the door panel should be treated with anti-corrosion, generally spray paint and plastic spray, and the surface of the paint layer should be No bubbles, uniform color.
Anti-theft door hinge
Anti-theft door hinges have built-in and external types. Built-in hinges are suitable for external opening doors, and external hinges are suitable for internal opening doors. For internal opening doors, external hinges are used. The diameter of the hinge shaft is generally greater than 12 mm. If the hinge is rolled by steel plate , The closed side must be welded.
It is recommended to use aluminum alloy material. Compared with other materials, this material is not easy to deform and fade, and has a good gloss and is more durable and stable. At the same time, it can be transformed into different shapes to increase the security of the anti-theft door. It is mainly used to detect the safety distance of magnetic accessories. If the two magnetic configurations exceed a certain distance, the alarm will be activated. Installing such accessories on the anti-theft door can have a good anti-theft effect. At present, many families have already popularized it.
There should be a permanent fixed mark on the regular anti-theft door. The word FAM on the product certificate represents the anti-theft door. The anti-theft security level mark is permanently fixed on the inner hinge side corner, at a height of 1600mm±100mm from the ground, so that the anti-theft door can be identified. Authenticity.
The security door must be of high quality, and the size and appearance must also meet the needs of the home. Don't forget the importance of matching the size and space with the space when purchasing. Generally, security doors have four specifications, the heights are 2050mm and 1970mm, and the widths are 860mm and 960mm. They can be combined with each other. When purchasing, consider leaving a margin of about 20mm to facilitate installation and adjustment.