Password padlocks look compact than ordinary bullet locks, safe, like three number wheels, the theoretical key is 1000. Therefore, in general, the secretness of the password padlock is still in the form of novel, colorful, no need to carry the key, and lock the baggage box, so there is still a certain market, the market is the last word. .
A typical password padlock, see the illustration below.
1 lock body 2 number wheel 3 bullet 4 mastic spring
5 lock beam 6 core 7 block 8 card circle
With regard to the working principle of the password padlock, just understand two points:
1, lock and open
The bullets and bullets, their role is to feel in touch with the rhythm in the diaryl case, and this configuration is often seen in the coda padlock in the copper.
The lock beam of the password padlock usually can’t play it out, unlocking to pull, what is hinder the championship of the lock beam? If you know the locking machine, you will understand how to pull the lock beam out.
There are 3 cores on the lock beam, and the upper side is fixed by the tabs on the opposite side. The core can be rotated on the lock beam, and there is a key on the core.
There is a channel in the lock body, the bond on the 3 cores, but there is a unwrapped in the channel, and the lock beam cannot move. Only when the keys on the three cores are in the channel, the lock beam can move, at this time, pull the lock beam, the lock is opened.
2, transform password
The transform password is definitely behind the lock. Please pay attention to this bump on the lock beam. After the lock is unlocked, the lock beam cannot move up or down in the rotation of the 180 °, and there is a cover that blocks the core, and this bump is blocked.
Only when turning to 180 °, the cover can’t stop this bump. At this moment, the lock beam can move down, only the lock beam is moving down to achieve the purpose of the transformation password.
How can you change your password? When the lock beam moves down, the core is moved downward. When the bond on the core is completely detached from the inner groove on the number wheel, the number wheel can be rotated.
After the desired password is turned, the downlock beam is turned into the beam, drive the core into the newly set inner slot, and the movement of the password is completed.
For more password padlocks, please pay attention to the Ruifeng lock industry.