The decorative cover of the handle of our conventional mortise door lock and the decorative cover of the lock cylinder are integrated, and we often call it a panel lock. However, when the decorative covers of the handle and the lock cylinder are separated and have their own decorative covers, we call it a lever lock or rosette lock.

The rosette locks we routinely use include stainless steel, zinc alloy, pure copper, and aluminum alloy. Which is better depends on your budget. Pure copper is the most expensive, followed by stainless steel (stainless steel is also good and bad), then zinc alloy (some zinc alloys are more expensive than stainless steel, and finally Aluminum alloy.

The styles of rosette locks are the same as those of ordinary panel locks, including European style, simple European style, Chinese style, and modern simplicity.

How to install the rosette locks？

① install the lock body, that is the part installed inside the door. Put it inside the door and fix it with a Phillips screwdriver

② install the upper and lower decorative cover. Usually there is a plastic lining in the decorative cover, first fix the plastic lining in the upper and lower decorative covers with a screwdriver, then fix the metal cover, insert the handle, and fix the handle with a hexagonal wrench.

③ install the lock cylinder, that is the part where the key is inserted. Insert part of the outdoor part into the inside, insert it inside and unscrew the knob to see if the square tongue can be turned out normally. Fix the lock cylinder with screws.
Through the above 3 steps, the split lock can be easily done.

Maintenance of rosette locks

Do not twist the key to open the door forcefully. For some time, due to the gravity of the door leaf or the door hinge, the door leaf sags and the door locks or the door is not opened smoothly. At this time, it is often very difficult to open and lock the door with the key. At this time, do not twist the key forcibly, so as not to break the key and increase the trouble.
Correct solution: You should look at the cause first. If the door sinks due to loose hinges, tighten the screws on the loose hinges. If the door frame is deformed or the reason is irreversible, you can start with the door frame and expand the lock tongue accordingly, so that the door lock will return to normal and stay long.

Don’t use lubricants casually. Some friends often like to drip some lubricants into the keyholes when the rosette locks are astringent or tight, so that the whole body of the door locks may be lubricated, but because the oil is easy to stick In the future, it is easy to accumulate dust in the keyhole and form greasy putty, which makes the door lock more prone to failure.

The correct solution: sharpen some pencil lead fines or some candle fines, blow it into the lock cylinder through a straw, and then insert the key and idling for a few times.