Repair method of lock core of anti-theft door
What if the lock core of the door lock is broken?
1. After selecting the lock cylinder, unscrew the two screws at the top and bottom of the hand panel. These two screws are mainly used to fix the panel. As long as you have a Phillips screwdriver ready, it can be done, and it is very simple.
2. After tightening the screws, put the screws away, unscrew the lock core and put the screws on both sides of the sleeve. But be careful not to screw these two screws too tightly when installing, so as not to screw the handle of the security door too tightly to open it. Remove the handle first, and then remove the lock cap.
3. Put the lock cylinder into the sleeve and take it out, and put it together with the screw. Remember the steps when disassembling, and the return is the same. Everything that has been removed should be put away in a unified way, and don't lose it.
4. Unscrew the screw fixing the lock cylinder and remove it to the lock cylinder. If the lock core cannot be pulled out by hand after removing the screw, knock it off with the left or right lock head of the hammer and try again.
5. Install the lock cylinder anti-theft shell according to step 3, and then install the handle. Before installing the handle, now insert the safety bolt and install the handle on it.
6. Install the inner and outer handles of He Long. It's best for someone to help hold the white hands outside together, let them meet symmetrically, and then move on to the next step.
7, adjust the internal and external handles, must be coordinated, screw holes should be aimed at the nut there, or use a flashlight to illuminate before screwing.
8. Insert the screw vertically. If the internal nuts are not aligned when inserting the screws, please shake the screws with your fingers. Generally, friends who have screwed the screws can understand whether the screws are aligned.
9. Fix the panel and tighten the screws. Be careful that the screws are not too tight. When the handle is folded, it cannot rotate flexibly.
10, and finally try the effect. Be sure to try again with the door open to avoid being locked out. If the door is not repaired, you have to start all over again. You can twist the safety by inserting the key and turning it 360 degrees. When everything is normal, you can do it manually.
The repair method of lock core of security door is a very useful skill. Your home is a security door. This method suits you. The lock of the security door is very durable, and it doesn't matter if it is broken by thieves. As long as you master the repair method of the lock core of the security door, you can easily replace it. I'm not afraid it will be invalid after being changed! Don't waste your money and time to hire a lock repairman!
How to choose the best anti-theft door lock
I. Types of anti-theft door locks on the market
1, anti-theft door lock according to the safety index.
According to the safety index, anti-theft door locks are classified into three types: A, B and Super B. The anti-sabotage opening time is >: 15 minutes > 30 minutes > 30 minutes, and the anti-technical opening time is > 1 minute > 5 minutes > 180-270 minutes. The mutual opening rate is not more than 3/10,000 for Class A and 1/10,000 for Class B.
According to the national standard, the super-B special defense lock has great advantages in the opening time and mutual opening rate of anti-technology. However, what is common in the market? AB？ The lock belongs to class A lock with general protection level. Really? Most? AB？ Locks often fail to meet the national standard of Class A locks? Its defense technology often takes less than a minute.
2. Anti-theft door locks are classified by category.
At present, the anti-theft door locks on the market are developing rapidly in the direction of electronic intelligence, mainly including the most basic password electronic anti-theft door locks, ic card induction anti-theft door locks, TM card anti-theft door locks, remote anti-theft door locks, fingerprint anti-theft door locks and so on. Mechanical will gradually become history. If you are at home, I suggest using a multifunctional smart fingerprint lock.
Second, how to choose the best anti-theft door lock
The security index of anti-theft door lock is not suitable for use, and its performance is different. So how to choose a good anti-theft door lock when actually buying? The following are six aspects of choosing anti-theft door locks for your reference:
1. Choose a brand with quality assurance.
Because brand manufacturers have after-sales service fire doors and windows in all parts of the country, they will be repaired at home for free during the warranty period.
2. Opening direction of the door
Pay attention to buy a lock that opens in the same direction as your door, because the handle lock is divided into left and right handles.
3, the function of anti-theft door lock
When choosing a handle lock, we should strive to make the handle shape of each functional door lock consistent, so as to make the room more harmonious.
4. Security door hinge
Pay attention to the selection of hinges with sufficient strength to prevent the door from falling for a long time and affecting the unlocking, or even breaking.
5. Door thickness
35? 50mm combination ball lock, 35? 55mm mortise, 42mm mortise lock, 35? 55 marble door lock.
6. Center distance
According to the structure of the door, you should choose the door lock fire doors and windows. There are two kinds of locking tongues: 60mm and 70mm. When the width of the door bone is above 100mm, the locking tongue of 70 mm should be selected, and when it is below 100mm and above 90 mm, the locking tongue of 60mm should be selected. ..
Many hardware accessories are particularly easy to be damaged during use, especially products such as anti-theft door locks. If you don't know how to maintain them, it's easy to break down. It is a very bad thing that the anti-theft door lock is broken, which not only affects people's work but also poses a threat to family property. So how to maintain the anti-theft door lock?
Anti-theft door lock maintenance
First of all, don't refuel the lock core when you feel that the anti-theft door lock is not easy to use, which will make the anti-theft door lock even more difficult to use. It should be smeared with graphite or pencil lead, which makes it smoother and easier to use.
Secondly, in addition to the lock core, the security door should be oiled at a certain time, of course, with engine oil. Especially when it rains on cloudy days. But don't use our daily oil instead of engine oil, otherwise it will have a certain viscosity, making the security door inflexible when opening and closing.
Finally, always check the lock to avoid being used by thieves. Many times, we don't know that the anti-theft lock has been patronized by thieves. We might as well check the lock frequently, which is not only good for the anti-theft lock, but also can avoid decorating the property because the anti-theft lock is broken.