1. Check the performance and structure of the door lock
Choose anti drilling lock head, the lock requires a three directional locking structure, with three hinges for single door and six hinges for double door, and a concealed lock for door leaf and frame.
2. Number of locks and insertion rods on the door
Choose two locks to control two plug-in doors each.
3. Check the thickness and area of the surrounding reinforcing plates
The lock guard plate should be a cold steel plate with a thickness exceeding 2 millimeters, and the height of the guard plate should not be less than 500 millimeters. If it is a closed anti-theft door, the rest of the cold steel plate should also be at least 1.5 millimeters.
4. Check the quality of the craftsmanship
The selection of anti-theft door materials is fundamental, and the quality of the manufacturing process is key. Special attention should be paid to checking for welding defects.
5. Select from the exterior design
The anti-theft doors on the market are divided into three categories: luxury, mid-range, and ordinary. Users can choose their favorite type according to their own situation.
Precautions for installing anti-theft doors
1. The installation of anti-theft doors should adopt appropriate installation methods according to the type of anti-theft door used.
2. The door frame of the anti-theft door can be fixed to the wall with expansion bolts, or iron parts can be pre embedded at the opening of the wall during masonry, and welded firmly to the door frame connection during installation.
3. Regardless of the connection method used between the door frame and the wall, there should be no less than 3 anchoring points on each side, and they should be firmly connected.
4. The gap between the requirement and the ground level should not exceed 5mm. Anti theft devices should be installed between the door frame and the door leaf or other parts.
5. When installing anti-theft doors, they should be straightened and hung upright first. After the size is appropriate, they should be temporarily fixed, calibrated, and adjusted before being connected and anchored.
6. Require sliding doors to be flexible in sliding and pulling after installation; The swing door is easy to open and tightly closed.
7. Hardware accessories such as handles, door locks, and observation holes on anti-theft doors; The password protection lock, electronic alarm password system, doorbell paging and other devices on the multifunctional anti-theft door.
