A simple repair doorknobs mechanisms

Door furniture is subject to rapid wear due to frequent stress on the mechanisms. In some cases, the need to replace the entire unit of the door handle, but sometimes small repairs can be done on their own and with the help of a screwdriver and wrench.

Which handles can be found on sale

• Stationary. Very simple, most often take the form of a ball or bracket. They are individually cut into the door without touching the door mechanism. Repair of such handles may consist only in tightening the bolts were loosened.

• Pressure. They are used for input and interior doors. A special latch slams the door, and being connected with the castle itself, leads him into action. Comfortable and functional. Rotation is generally not more than 30 degrees. Often, problems may occur in the mechanism of the lock.

• Rotary. In most cases, in view of the ball inside - turning the well in the central part. Their mechanism involves the presence of balls, instead of a lever system. Set for interior doors.

In material manufacturing pens can be:

• wooden - can be of different kinds of wood, lacquered and decorated with carvings. durable;
• steel - have high strength. Decorated by various alloys;
• aluminum - Easy, but not durable. They can be used for interior doors with small cross;
• brass - very durable and beautiful. Suitable for mounting the input and internal doors;
• glass - set for glass doors;
• plastic - usually installed in offices, it is not recommended because of failure at low temperature for the home.

If you need to not only repair the castle, but also warm and soundproof door, be sure to read Now this article. Here you will find a lot of interesting and useful things for themselves.

How are door handles

Before installing, replacing or repairing machinery necessary to know how it works.

Push and rotary knob consist of the following elements:

• Lever;
• mechanism with bolt. It was he who locks the door, stepping into the response opening the door;
• pin with a square cross-section (square). It connects the handle with a lock;
• decorative strip for masking fasteners;
• a spring return - returns the handle to the starting position;
• travel stop;
• and retaining the plastic ring.

Causes of failure of the door mechanism

The main reason for failure is a constant mechanical impact or low-quality gear. Here's what could happen to him:

• shakiness. The handle extends from the door leaf and reeling. The entire mechanism can also "hang out."
• seizing the handle. When you press the lever starts to seize up, and efforts should be made to open it.
• jamming latches from design to the castle. Movement crossbars difficult when opening and closing doors.
• The handle does not return to its original position.
• breakdown tab. When you open it either sinks or is not hidden.

It so happens that the handle may simply fall away, and her attachment remains in place. So this poor-quality product.

How to solve problems

• at scuffing door mechanism can drip a little oil on the bolt and scroll handle, so that it is spread over the entire part. Among the possible causes of the fault may be dust and wear. And if you notice that the attachment starts to become loose, then simply tighten the mounting bolts.
• at loss handle first of all removed decorative rosette (bottom unscrew a small screw). With a screwdriver unscrewed all the screws and bolts of the mechanism. Reaching the locking ring will immediately understand the reason - it can be deformed. Bent, Staggered, broken - change in the new part and install in the reverse order.
• If the mechanism is made of a brittle and cheap silumin, the chertyrohgranny pin likely to come into disrepair. We need to change the entire structure. First, unscrew all the fasteners in the handle base. Next - a decorative strap and bolts. We take out mechanism. At the end of the door and unscrew fasteners on the keyhole bracket, remove and install the steel has a handle in the reverse order.
• Sometimes, it may not operate the latch, and tongue does not turn. The reason - a short square. Progressively, he presses it. In this case, you can put a new pen, or purchased separately longer square that if something can be shortened.
• when the handle does not want to return to the starting positionThen flew possible return spring, which is also set as a lock ring. Check. In all other cases will have to change it.

Useful tips when installing

• Try to avoid too cheap and substandard mechanisms of silumin. Low price does not guarantee quality and durability. We'll have to go to the store again. Choose a handle made of steel, brass and wood. These materials will last a long time;
• if you decide to change any details, it is necessary to thoroughly clean them from dust and grease;
• the most important thing - to understand the reason, on this basis to determine whether repair is possible or not;
• New products are sold ready-made, so they also have to dismantle, follow the instructions.

Buy high-quality products, and do not be afraid to repair yourself!