Q:Bedroom door lock is slow, each key inserted into the last small cut how can not get into the next can not turn, like luck, like a door also frightened afraid of not open, is there any way to make the door Is not the lock? In addition to changing the door lock Thank you

Scrap a little pencil into the keyhole inside, and then repeatedly open several times, it is very smooth! Do not put the oil, this is a very stupid practice, because the lock inside the bladder is a spring component, once the lock boring oil lock is smooth, but the dust will stick in the lock inside the gallbladder, a long time, plus winter The weather is cold, lock the gallbladder inside the oil sticky dust to solidify up, the more dust the more unlock the lock, and sometimes will cause the original key can not open the lock, in such a reason! With the pencil core is the best way, but after use to remember to wash hands, lead to the human body is not good!

Q:Work in the morning to lock the door, locked the two. But accidentally lost the key, can not find it back. Do not want to find the lock company, bought a new lock cylinder, but also know how to change, but the door is not open how to remove the screws? The Is there any good way? The Hurry. The The Seek expert advice ah! The

Good night, for the anti-theft door lock cylinder is very simple, the side of the door there is a screw nail, remove the sinking screw cylinder can be drawn out, of course, if your lock cylinder with a protective cover, then the first Protect the cover to the demolition, if the demolition of a screw nail cylinder also can not be removed, then the door should be on the handle of the two screws are also demolished, so that the door inside and outside the handle are demolished, and then you can take Out of the lock. Guan Jian is to buy a good lock core, you can look at the "mold emperor music", the brand of the lock cylinder quality and anti-theft performance are very good, you know!

Q:Key card to the door lock, how can not pull out, how to do

Do not panic, do not use things casually digging, you can use the needle to the keyhole injection of a little oil, and then slowly remove the key.

Q:How to lock the key for a door without a key, is the ordinary room door lock

Remove the lock cylinder, look at the lock teeth position, in the back of the lock teeth are sealed, the majority of copper seal, old-fashioned aluminum seal, with sharp things slowly pry open inside the spring, each spring there are two Teeth, a fixed teeth a moving teeth, moving out, find the right, to be equipped with the key to insert, come up with lock core, put back teeth, more than the core of the core area of the height of the use of flat grinding, and then Re-install the test is smooth, (do not pay attention to the low and can not be high and lock the core) test well after the lock back to the lock inside the lock teeth spring with heavy seals back to the seal, back to the lock to complete. Or to remove the lock cylinder with the key to that key. Shop also has a single with the lock cylinder 10 - 60 yuan, with 3 - 7 key, sub - lock, pressure lock to pay attention to the location and lock lock the length of the lock.

Q:Inside the door lock inside the key inserted from the outside how to open?

You can call to consult manufacturers, different manufacturers of the structure of the cylinder is not the same, some gourd-type lock cylinder can use the key to the other side of the key. There is a way, or if a person outside the key to block the outside keyhole, you are not locked inside can not come out, there is a picture you can probably say the next method, but also to see the key is not inserted into the door

Q:What is the meaning of the key on the key

You are talking about the trademark R on the key, R is the abbreviation of REGISTER, used in the trademark refers to the meaning of the registered trademark. With a circle R, is a "registered trademark" mark, meaning that the trademark has been registered in the State Trademark Office and has been approved by the Trademark Office, a registered trademark.

Q:Home is equipped with a step anti-theft door, with AB lock. Decoration is the use of A key, and now renovated, and would like to use the B key, just look at the Internet with the B key inserted into the keyhole rotation lock cylinder turn (circle), A key to lose the unlock function, ask The 1, B key need to use the first A key to open the door lock, or lock it? 2, B key is used from ...

As long as the B key with a gap that insert the counterclockwise rotation can be a circle, inside and outside do not matter! Lock does not lock on it does not matter, can!

Q:The door is the heart, the lock is Paul Dean, there are three keys, decoration keys, their own keys, there is a copper key, the problem is now with their own keys and decoration keys can open the door, and copper key From the outside can be inserted into, but twist does not move, from the inside can be twisted, who can tell me how to make the decoration key failure!

After the renovation, with the B key (whether it is closed or open the door) in the door into the keyhole lock cylinder rotation above 360 degrees on the line, and then return to pull out the key, and then take the A key into the keyhole to see if the rotation was moving , The rotation does not move to explain the A key to lose the role, you can destroy the A key, do not litter (knowledgeable people can still take to make the key to unlock). If the A key can also rotate on the instructions can unlock, and then repeat the previous operation on the line.

Q:The key is round head, the top solid interior door lock

The key lost only for the lock cylinder, but with a few more words, to the market with the key place with the general hardware store also with the

Q:Anti-theft door lock key cross good or flat good

Super B-level lock: the key shape for the single-sided blade within the milling groove or outside the milling key, the cylinder type for the side of the cylinder; by the Ministry of Public Security detection 270 minutes can not be technical open, the regional opening rate of zero (1,600 One ten thousandth). The ball structure for the double-row blade plus V-shaped side of the lock; if the use of strong twist tool to open the lock cylinder, cylinder internal damage, blew lock, resulting in can not open.