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Anonymous users2024-01-23Use the anti-theft button, if not, use the key, lock directly.
Introduction: Equipped with an anti-theft lock, it can resist abnormal opening under certain conditions within a certain period of time, has a certain safety protection performance and meets the corresponding anti-theft security level of the door.
The full name of the security door"Anti-theft security door"。It combines anti-theft and security performance. According to the provisions of the "General Technical Conditions for Anti-theft Security Doors", qualified anti-theft doors cannot be pried open within 15 minutes by using ordinary hand tools such as chisels, screwdrivers, crowbars and portable power tools such as hand drills, or open an opening of 615 square millimeters on the door leaf, or open an opening of 38 square millimeters in a semicircle of 150 square millimeters of locking points.
And the locks used on the anti-theft door must be a special lock for the anti-theft door with anti-drilling function that has been tested and qualified by the testing center of the Ministry of Public Security. The anti-theft door can be made of different materials, but only the door that meets the standard test and receives the safety product production certificate can be called an anti-theft door.
Identification: 1. Grade standard: The security level of the anti-theft door can be divided into Class A, Class B and Class C and Class D, among which Class A has the highest anti-theft performance, followed by Class B and Class C, and Class D is the lowest.
Most of the doors we see in the building materials market are Class C and Class D security doors, which are more suitable for general family use.
2. Check the steel plate: the state stipulates that the thickness of the steel plate of the anti-theft door should reach 1 mm, but some enterprises in order to reduce costs, some only use millimeters of steel plate, and the plate is thin and loses the significance of anti-theft. According to the anti-theft door business, when the consumer inspects the steel plate, you can press the steel plate in the door leaf, if the steel plate is pressed, indicating that the quality of the anti-theft door is not up to par.
3. Check the step: The qualified anti-theft door step is made of stainless steel, but some small workshops use stainless iron in order to reduce costs. When the author visited Nanchang Xinduo anti-theft door, the boss introduced a trick for identification, put the magnet on the lower step, if the magnet is sucked and it is difficult to take it away, indicating that the stepping material is unqualified.
4. Good locks not only have many lock points: the locks are qualified anti-theft doors generally use three-way locks, not only the door locks are locked, but the upper and lower crossbars can be inserted and locked to fix the door. Often some businesses use more locks to attract consumers, in fact, a good lock is not the more lock points the better, the lock cylinder is not anti-theft, no matter how many lock points are useless.
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Anonymous users2024-01-22I don't know if you are an anti-theft lock, the general anti-theft lock has an anti-lock knob, the old-fashioned one needs to use a key to reverse the lock, you use the key to try whether it can be reversed, otherwise it is not an anti-theft lock.
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Anonymous users2024-01-21Isn't it locked up with a warranty on the inside?
The security door is locked on the outside, and the inside can be opened with a key, if it can't be opened, it means that the security door is broken. There are several reasons for this: >>>More
There is a key to open with a key, no key to find a lock company, I am afraid that the door will be broken, and I have to change the door, the gain outweighs the loss.
This is the easiest, the general safety is loosened, the knob is opened, the lock is necrocuted, and you use a screwdriver to disassemble the inner lock and open it all at once. >>>More
The anti-theft door is equipped with an anti-theft lock, which can resist abnormal opening under certain conditions within a certain period of time, has a certain safety protection performance and meets the corresponding anti-theft security level. Generally speaking, the part of the lock body that can be controlled by the key on the outside, if you are inside, how to lock it, of course, can be opened. In fact, many locks can be seen that there is a small lock inside the door, and there is no keyhole outside, so you can't open it outside. >>>More
At that time, I spent money to find someone to change it, and called him to ask him to come and reinstall it; If it's your own, reload it too; The initial diagnosis should be that the lock cylinder is not installed correctly or the lock cylinder model is not suitable.