Anti-theft door can be opened from inside to unlock the outside

In order to be safe for decoration, many people will install a security door at home, which is bound to choose a better quality anti-theft will be better, so that necessary anti-theft and security performance. The following Xiao Bian will tell you about the anti-theft door from the inside to unlock the outside to open it and the security door to choose which kind is better.

Is the security door unlocked from inside and can be opened outside?

Can the security door be unlocked from the inside and can be opened outside . Generally speaking, the key body can be controlled on the outside of the lock body. If you lock it inside, of course, it will open. In fact, many locks can be seen inside the door there is a small lock, there is no key hole outside, so that you can not open outside. Electronic locks are relatively better, and you can set them up so that they can't be opened outside.

What kind of security door to choose

Common sense for buying security doors 1: First of all, you should choose the right anti-theft security door according to the actual requirements such as the size, opening direction and color pattern of the customer's room.

General knowledge of buying security door 2: Anti-vandalism function is the most important function of anti-theft security door, so you must be clear when you choose this product It does not have the relevant departments to pass the inspection certificate, product quality should comply with the national standard GB17565-1998 "security Technical requirements for the general technical conditions of the security gate.

General knowledge of buying security doors 3: The thickness of the steel plate of qualified anti-theft security door frames should be more than 2mm. Generally speaking, the thickness of the door body is generally more than 20mm. The weight of the door body should be checked. Its weight is probably more than 40kg. The internal structure of the door body can be inspected by removing the cat's eye, doorbell box or lock handle. The thickness of the steel plate of the door body is also more than 1.0mm, and the material with fireproof, heat preservation and sound insulation functions such as asbestos in the door is selected as the material. Filler, you can try to hit the door by hand to make a "click" sound, so you can see it is good or bad.

General knowledge of buying security door 4: Check the quality of the process - special attention should be paid to checking for any welding defects, such as open welding, unwelded, missing welding. In this way, you can see whether the door leaf and the door frame are densely fitted, whether the gap is uniform, and whether the opening is flexible and whether all the joints are dense. Then you need to perform antiseptic treatment on the surface of the door.

Summary: on the security door from inside to unlock the outside to open it and the security door to choose which kind of good related content is introduced to this, the security door we should know its role, so be sure to pay special attention in the choice, we must achieve these requirements Can play the role of anti-theft.

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