Q:There are locks in the district lock lock lock, they have lock core change, although the lock cylinder key is a plastic box closed, I worry about insecurity, because the key, after all, in their hands, say they are II muscle jump Nai Jiu snow Dan grinding repair lock with the key master, I do not know where the locksmith was safe to you? Ask, thank you more

Buy a good lock on the Internet (brand a little better, there are anti-counterfeit signs) their own, very simple

Q:Commonly used anti-theft door door thickness is the number of centimeters? Cat eye has several diameters, respectively, what size? To specific data, thank you!

I know the thickness of the security door is now generally in the 9cm size in 2050 * 960 * 90 it is more common cat's eye size is to see the door and the same thickness

Q:My house is located on the edge of the stairs, out of the other does not affect the consideration of the installation of anti-theft door when installed to open the door to the room, but the decoration master and her husband are generally open to the outside, no one installed to open I would like to ask this will affect the house feng shui it? If the feng shui inside and outside the bad can be how to resolve? More

There is no feng shui impact, but the safety considerations first, when there are bad people want to force into the time, if it is to open the need to destroy the lock, and now this area is very good to do security, so take time, bad guys have time , Then you have time to help. If it is open to the inside, then if the power of large, can be crashed in a very short time the second, from a variety of earthquakes have such a situation, when the door is open, then if the wall Body deformation, alone by the handle and the person after the pull is difficult to open, and outside the door if the lock open the case of people, people can be forced to break open

Q:Is the door and security door a door?

Unit doors are the doors of different units that each residential building belongs to. In short, that is, when you enter your own home, into the corridor when the door. Can be anti-theft door can not be anti-theft door. Anti-theft door of the full name of the touch whip Hezhuang Gu Biao collapse wave "anti-theft security door." It combines both anti-theft and safe performance. The cell door is defined from the door where the door is located, and the face-to-door is defined from the performance of the door

Q:Anxious, locked in a long, leading to close the door is very difficult to close, there is no way to adjust. I was the kind of do not have the key to the rafts to destroy the liver against the Philippines rubbing dozens of ginger, but also automatically lock the kind of lock! More

Lock the tongue can not be adjusted, there are two major shortcomings of automatic lock: a long time, easy to hit the tongue or hit the door off the sound is too large, easy to cause noise on the market has now eliminated the automatic lock function, and suggest you Or for the new lock it I use the Asia Pacific days of the fingerprint lock

Q:What method can be used to remove the anti-theft door on the small ad posted?

You can use the day to take water, also known as banana water.

Q:Home decoration has been admitted, but found profiteers to install the security door is not soundproof, want to change the security door, but the old anti-theft door on the expansion of the screw how to remove is a big problem, listen to the door that must be removed next to the security door Wooden door sets, in order to remove the security door, that the amount of work on the big. Also read the online on the expansion will be smashed to the wall, and then pull out the outer ring metal approach, but are not very good. So I recently wrestled with a way, if you use a larger than the expansion of the long hair of the long hair of the body, the expansion of the screw in the middle, directly to the concrete wall to play a role, is not Can easily pull out the expansion screw. Because do not understand the specific principles of expansion, I hope to understand the user under the reply, or who now with me the same confusion, with my practice under the method, the results tell the next, thank you! More

A method for your reference. I did not try on the security door, but in other occasions used effectively. 1, exit the nut washer, etc., may be difficult but must exit. Rinse the screw in the inside, make it loose and return to the wall as much as possible. 2, with a flashlight to help, observe and find the expansion of the bolt jacket and anti-theft door between the hole, the widest place. If you can insert the head of the needle nose pliers at the widest point and reach the wall, continue with the following steps. Otherwise skip to step 6. 3, with the appropriate small drill, in the widest point by the wall side of the hole, about 3 ~ 4mm deep can, the hole is also close to the bolt jacket. 4, with a pointed nose pliers from the hole into the clamping bolt jacket (while the tip to be inserted into the screw and jacket), also into the also, slightly rotating, and slowly remove the jacket. 5, the above need a thin and long needle nose pliers, short rough not work. -------------------------------------------------- -6, with a diameter of about 4 ~ 6mm of the drill, in the anti-theft door frame edge along the expansion of a hole, the hole and the door through the hole (of course, the operation of some difficulty.Multiple hair of the crown, Prevent), appropriate into the wall 3 ~ 4mm. 7, turn to step 4.

Q:I would like to install a pendant on the security door, but the door is hollow, can not be fixed pendant ah

There is no solid inside the door to see what kind of pendant you want to install if you can use a rivet gun fixed

Q:How to know the size of home security door locks

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.

Q:What is the basis for saying that anti-theft door is conducive to fire safety

It is a fire door is not anti-theft door, two different things