One, How to unlock a double-door lock without a key
To open a lock using a hairpin, follow these steps:
1. Bend a large hairpin into a lever shape. To do this, straighten the large loop of the hairpin twice, allowing the straightened portion to extend. Some locksmiths also slightly bend one end to create a lever. This allows pressure to be applied to the locking pin inside, but this is not a necessary step.
2. Use another large hairpin to create a wrench. A wrench is a tool used to apply torque, and you will use the wrench to drive the preceding unlocking tool to perform unlocking operations. Bend one end 90 degrees and straighten both ends until they resemble two parallel wires. Use a clamp to bend the bent portion into an approximately 1cm 90-degree turn.
3. Insert the wrench into the bottom of the lock and apply rotational pressure to one side. Any amount of pressure is sufficient. If you know the direction the key should turn, rotate the key in that direction. If you are unsure, try turning it in both directions once each. You may be able to determine the correct direction by feeling for resistance. First, try turning clockwise, then try turning counterclockwise. If you are turning in the correct direction, the resistance will be less.
4. Maintain pressure on the torque wrench and insert the pry bar's hook into the upper lock hole, initiating the "positioning" process. This involves inserting the pry bar tool into the bottom of the lock hole, pressing against the upper surface, and quickly pulling it out to examine the internal structure. Repeat this process multiple times to disengage some of the locking mechanisms.
5. Maintain pressure on the wrench and use the pick to locate the shackle. Remember to maintain the wrench pressure while moving the shackle to the unlocking position. You should feel a slight give and may hear a faint click.
7. Apply increasing pressure with the wrench. Each time the pin is engaged, shake the pin spanner until the pin is disengaged. When you hear a "click," rotate the wrench to unlock the pin.
Two. How to open an electric glass door lock without a key
1. Generally, doors become difficult to open due to external forces, which may be caused by the lock tongue detaching or being distorted, or the screws securing the lock tongue detaching. This can cause the door to become stuck, preventing both opening and closing. In this situation, the best immediate solution is to locate the lock tongue and manually re-insert the detached screws. This method is only applicable when the door is stuck due to external forces.
2. Please have a locksmith open the lock. If you do not have a locksmith's contact information, you can call the police and ask them to assist in opening the lock.
3. If foreign objects are lodged inside a door lock, making it impossible to open with a key or finger, even after insertion, the only solution is to forcefully twist the lock open.