Q:From the outside locked the door, if there was someone, why from the inside of the long floating of the spring of the valve Tong Tong Kun also can not open it? Are all the doors so? Is this the door ok? Why not design the lock inside the key can also be opened with more ah

Anti-theft door outside the lock, which can be opened with a key, can not open is broken

Q:Has been transferred once, but the distance between the door and the door frame is too close, the door is very tight switch! Ask you how to adjust the master? The Do not let me find unlock, has tried! Thank you! More

If the inside open, then the first door, from the inside to see the door around the gap, as you said is the hinge side gap, adjust the gap can be. If there is no clearance around, that is, when the installation or manufacturers

Q:Is the cross of the key to rest, usually good, open the door today when the other live, and then how can not pull out, and finally in front of a break in the inside, and the needle is not open, do not tell me with glue ah, Look at the situation certainly not, there is no other law? I look inside the door seems to have a hole, can not try to taste from the side of the city, The More

Cross the security key in the lock how to do: 1, to prepare the word, Phillips screwdriver, pliers 2, sewing needle 2, tweezers 1, the first step, the sewing needle bent with red fire into a small hook , And then gently find the place to break the key, found that the activities of the gap, can be found in the activities of the small pillars, in fact, the lock can be locked, that is, a small bronze pillar can not turn the body, and now with two needle hook Off the key, slowly pulled out on the line. Can be used to help tweezers, if not, you can use a screwdriver to remove the position in the house to find the location of the key, with a needle stabbed out, and then everything is fine; anti-theft door key picture 2, security door key in the lock inside, First look at the key is not wrong, the correct location should be inserted into the key position. To find a medical tweezers try can not be taken out, tattoo google fat stolen aldehyde alien if you can not twist, then find a bike gate wire in front of a small groove can try to hook out; anti-theft door key picture 3, from the inside to remove the back cover of the lock, with a narrow iron or fine wire, from the door inside the poke, you can break the key from the keyhole poke out; 4, if they have no way to solve, Then can only find a locksmith, and unlock the lockers are uncertain, then only for a security door lock the core!

Q:Where the security door is cheap and safe

Bought the steel into the door, the box 1.5mm board with 0.8mm installed also 6-7 hundred dollars. Replace the high-grade Jiade blade lock body, model (2988-2), so you have a super B-class anti-theft lock security door, and a total of 7 pound Ji Ji Ken stables shop inquiry ink 00 yuan, speak to kind , Take the personality guarantee, more than 2000 yuan class B class much better

Q:How to divide the security door level

Class I: Door frame 2.0mm Door leaf: 1.0 / 1.0mm Key point 12 Class B: Door frame 2.0mm Door leaf: 1.0 / 1.0mm Lock point 10 coupons 郾 淀 丢 丢 丢 丙 Level: Door frame 1.8mm Door leaf: 0.8 / 0.8mm lock point 8 Ding: door frame 1.5mm door: 0.8 / 0.6mm lock 6

Q:Is the door and security door a door?

Not the general unit door is mostly glass steel door security door is steel plate

Q:Security door

Anti-theft door is very famous but very strong but the main that the lock is also a good kind

Q:There are 5 bars B key, 2 A key. It is said that after the renovation of the B key turn a week A key failure, but the B key turned N weeks, now the situation is A, B key can be used to make a fool often get the door to full power, what is the situation? Questions added: each B key has turned a lot of circle, 2 A key can still open the door more

First, A is used for decoration, bare out. B key on both sides of a concave, is the abolition of A key, C key is their own use! General use B after A can not be used. If ABC can not be used at the same time, this blame the end of the end of the end of the mercy of all my business for five years have not encountered. This can be replaced free of charge.

Q:What is the standard for acceptance of security doors?

To see which level of security door, different grades have different standards

Q:I bought a few supermarkets with anti-theft door, after installation, no reason to their own alarm, do not know is to be twisted side defender wing gambling gambling song what things interfere. The What can affect the security door of their own alarm? More

Burglar alarm is divided into two kinds of voice and the twitch side of the defender wing gambling chi chi song sensor for no reason the alarm is the probe and the sensor caused by excessive sensitivity you can find a professional test to do the appropriate adjustments can be