| Buy secrets: Anti-theft door lock reflects "intelligent" | ||||
| Publisher:admin | Add time：2021/6/15 | Viewed：486 | ||
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Type of anti-theft door lock on the market
1. A-level lock: At present, a-level anti-theft lock keys on the market are mainly one-word keys and cross keys. The internal structure of the a-class lock core is very simple, limited to the change of the pin, the pin groove is few and shallow. Anti-technical opening time within 1 minute, the mutual opening rate is very high. Pin structure is single row pin or cross lock. 2. B-level lock: B-level lock key is flat key with double rows of pin slots. Different from A-level lock, there is A row of squiggly and irregular lines on the key surface. There are three main types of lock core: computer double row lock core, double row crescent lock core, double-sided blade lock core. High mutual opening rate within 5 minutes of technical opening time. The lock can be opened within 1 minute with the strong twist tool. 3. Super B lock: the key shape is single blade inner milling groove key or outer milling groove key, and the lock core type is side column lock core; The Ministry of Public Security detected that the technology could not be turned on for 270 minutes, and the regional mutual opening rate was zero (1/16 million). The pin structure is double row of blades and V-shaped side pillar locking; If the lock core is opened with a strong torsion tool, the internal damage of the lock core will self-burst and lock, resulting in the failure to open. How to choose the best anti-theft door lock Anti-theft door lock safety index should not be used, the use of performance is also different. So the actual purchase, how to choose a good anti-theft door lock? The following are six aspects of the selection of anti-theft door lock for your reference: 1. Choose a brand with quality assurance. Because the brand manufacturers have fire doors and Windows in all parts of the after-sales service, free door-to-door maintenance in the warranty period. 2, door opening direction Pay attention to the lock that opens in the same direction as your door, because the lock has left and right handles. 3, anti-theft door lock function In the choice of holding hand lock should strive to each function door lock holding hand appearance consistent, your bedroom more harmonious. 4, security door hinge Should pay attention to the selection of adequate strength of the hinge, so as to avoid the door long falling, resulting in the opening of the lock, or even broken. 5, the door thick 35 -- 50mm joint spherical lock, 35 -- 55mm plug type, 42mm plug core door lock, 35 -- 55 pin door lock. 6. Central spacing Need to choose door lock fire doors and Windows according to the structure of the door, the lock tongue can be divided into 60mm and 70mm, the door bone width of more than 100mm with 70mm lock tongue, in 100mm below, 90mm above choose 60mm lock tongue. |
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