Home security door lock is not good to open how to do?

Home security door installation is very necessary, but many people will find that those who can prevent the bad guys to come in the security locks but will put their own "lock", because the security door locks are always bad to open. So, when encountered this situation how to do? Here are a few very simple and effective way to look at it together!

Use sewing machine oil

Although modern homes almost no sewing machine, but you can still buy sewing machine oil, the sewing machine oil nozzle along the lock hole to the inside pinch, sewing machine oil will slip into the natural can easily open the door lock.

Pencil powder

If you can not be locked by their own home security door locks, find a pencil, scrape down into the lead powder, and then use a toothpick or cotton swabs and so on to slide in, after a period of time can be opened.

Shake a few left and right

Sometimes we put the key in the security door lock, but do not feel put in place, then naturally can not be opened, this time, as long as you put their own door left and right shaking a few times, or gently kicked a few feet is generally not a big problem.

Update the new lock

Some security door locks are not good to open, may be because the lock core problem, this time no matter how to do is very difficult to open, then you do not bother, directly ask the locksmith to help change a new lock or lock core on the line.