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Anonymous users2024-01-24Yes, but it is necessary to "one must be skillful, and the other must add information", which is a dangerous type of work, so don't do it. Supporting one's family through proper channels is the most down-to-earth.
There is no need to change the lock cylinder; Go to the lock shop and take out the original key, and the boss will know that it is time to change the lock cylinder, which is equipped with 5 original keys along with the lock cylinder.
The marble room in the pit corresponding to the different depths of the A (decoration key) and B key has a special structure and is equipped with a 1mm steel ball between the upper and lower marbles. When the A key is used, the height of the lower marble in the marble chamber plus the height of the small steel ball is just flush with the lock cylinder, so the lock cylinder can be unlocked by twisting the lock cylinder with the A key; When using the B key, just the small steel ball can be pushed out of the lock cylinder, that is to say, the lower bead and the lock cylinder are flush at this time, so the B key can also be twisted to open the lock cylinder (this principle is the same as the mother and son key system), but when the lock cylinder rotates at a certain angle, the small steel ball will be affected by the action of the spring spring, and fall into the blind hole that is cleverly designed on the lock cylinder in advance (this is the difference with the key system), some people call this small blind hole a trap, very appropriate. The diameter of this blind hole is larger than the small steel ball, but smaller than the diameter of the marble, otherwise the marble will fall and the lock cylinder will be stuck and cannot be unlocked. >>>More
Look at your lock model, the question is too general, and the bad lock cylinder 20 or 30 can be bought. It's as expensive as 1000 or more. Find a lock picking company, they generally provide lock cylinder and installation services.
You don't want to lock it, just open it, buy a six-wheel grind and change it into a turn OK. If you want to lock it, give 10-20 yuan to find a key to help you open it.
Almost every brand of products has fingerprint unlocking, password unlocking, mechanical key, IC card door opening, anti-pry alarm and other functions, and some also support face unlocking and remote unlocking.