How to pry open a locked door?

1. The door is locked. How to open it?

Methods: 1. When people are inside: find a small wire or a small hole in the neck of the handle, insert the flat tenon handle into it, pull it out at the same time, grab the handle and pry open the protective cover. When the two fixing screws try to turn it away, find a needle-nosed pliers or a flat-blade screwdriver to drive the inclined tongue to pull sideways when the lock body is pushed out and only the inclined tongue is left, and don't let go. When you let go, it will bounce back and push the door open.

2. When people are outside: find a pair of olecranon pliers or water pipe pliers, clamp the handle of the zipper lock and twist it hard, grab the handle and the lock cover and take it out to the left, then knock out the lock body (because it can't be pulled out, the lock body is stuck by the inner cover) and see the oblique tongue, then find a pair of needle-nosed pliers or a screwdriver, and drive the hook sideways with the oblique tongue. Don't let go. When you let go, it will bounce back and push the door open. This method can be used in an emergency. If the lock has failed, it is recommended to find a locksmith to deal with it or call the police for help.

If the child is locked in, it won't twist open. At this time, don't shout nervously, but it will scare the child. Slowly induce him to open the door and induce him to turn counterclockwise (if you stand outside the door and face the door, it will turn to your right). If it is a five-segment lock, some will pull up and down, and some will pull down. 4. If your house is a corner lock, the door lock suddenly won't open, and it is likely that the latch tongue is hooked and there is a fault. At this time, you can unscrew the lock, repair the lock tongue, or change the lock again. And then you can open the door lock.

Extended data 1, entrance door lock: also known as anti-theft lock. The entrance door is the door of every family and the watershed outside the home. It must have a special function, that is, it can play the role of insurance and protection.

Generally, the entrance door consists of two doors: an iron door and a main door (usually a wooden door). For iron gates, both sides can be locked, commonly known as double-headed locks.

Commonly used are multi-safety door locks and mortise steel door locks. It should be noted that the distance between two doors should not be less than 80mm(8 cm).

2. Room lock: generally refers to the bedroom lock. There is a safety function in the room, and the hand lock or ball lock with the same function can be opened with a key outside the room.

3. Toilet door lock: It is characterized by being able to lock the door inside, having an emergency opening device and a red and green display outside, or a small hand lock with "occupied" and "unmanned" displays or a ball lock with the same function. References:

Baidu encyclopedia-lock.

2. How to open the door after it is locked?

If you loosen the small lock bolt inside and lock it outside, you can't open it. You can only use destructive unlocking to open the door and open it from other windows. If the small latch retracts, the locked door can be opened from the outside.

1. Doors equipped with anti-theft locks can resist abnormal opening under certain conditions for a certain period of time and have certain safety protection performance, reaching the corresponding anti-theft safety level.

2. The full name of the security door is "security door". Both anti-theft and safety performance. According to the General Technical Conditions for Anti-theft and Anti-theft Doors, qualified anti-theft doors cannot pry open or open the 6 15 mm opening on the door leaf within15 minutes or open the 38mm opening within the lock point 150mm semicircle. And the lock used on the security door must be a special lock with anti-drilling function, which has been tested by the testing center of the Ministry of Public Security. Security doors can be made of different materials, but only doors that meet the standards and pass the inspection and obtain the certificate of safety products can be called security doors.

3. It is mainly reflected in the intelligence of its key components (locks), including all kinds of electronic anti-theft locks that have been widely used, such as fingerprints, passwords and ic card locks. With the development of technology, in addition to replacing the traditional mechanical locks with intelligent locks, Internet of Things security doors will also be combined with smart home systems with functions such as security, home appliance control and care for the elderly and children, which can realize online alarm, video monitoring, data transmission and remote control, all of which are manifestations of intelligence.