How to know the size of home security door locks
Home security door standard size is 2050 * 960, the most standard is 2050 * 860, there is the 1970 ** 860, security doors are generally based on the actual needs of the family to do, the maximum can be done 2500 * 2500. The security door is called "security door". It combines both anti-theft and safe performance. In accordance with the "anti-theft security door general technical conditions" provides that qualified security door in 15 minutes using chisels, screwdrivers, crowbars and other ordinary hand tools and hand drill and other portable power tools can not pry open or in the door to open a 615 square millimeters Open, or open a 38 mm square opening in the semicircle with a locking point of 150 square millimeters. And anti-theft door on the use of the lock must be detected by the Ministry of Public Security testing with anti-drilling function of the anti-theft door dedicated lock. Anti-theft doors can be made of different materials, but only to achieve the standard test qualified, to receive security products to ensure that the door can be called security door.
If you want to change the lock, only three dimensions: the thickness of the door side of the film (the location of the piece of iron piece) length and width
The most accurate way is to remove the cylinder, the measurement. The cylinder is well disassembled: Tool: A Phillips screwdriver. First, remove the lock cylinder sequence: 1. Remove the inside and outside the two handle panel: screw in the house handle panel, the top one, the following one. 2. Remove the inside and outside the lock cylinder cap: screw in the house lock on the cap, that is, plug the left and right sides of the key. 3. Lock the cylinder positioning screw: the screw on the side of the door, in the middle of the lock, with the same height cylinder. The thickest is that. 4. At this time you can remove the old lock cylinder: the old and new lock cylinder, you can replace the. Second, the installation of new lock core: the order and the reverse of the split, we should pay attention to several points: 1. Install the new lock before the core, add a small amount of lock cylinder dedicated lubricant. Repeat the lap with the key. 2. Cylindrical positioning screws must be tightened to prevent the screw after the opening is not good to open the door. 3. Lock the cap screw Do not twist particularly tight, to prevent the call, bad unlock. 4. When installing the inner handle panel, there is a fuse at the bottom, insert the corresponding fuse. Recommendation: try to use ultra-B-level cylinder (the key with a snake-type slot). Taobao B-class lock core price of 70-100 yuan. If you find a professional repair master to replace, generally 200 yuan. Own lock, save money and safe, working class preferred. The rich to find repair master it, they have to live it! They want to change is terrible.
