Metal-plastic window - the design may not be perfect, but rather close to it. Closing tightness allows you to maintain heat, the installation of different glasses provides both heat-stash, and noise insulation, and even shock protection. Why can you need locks with a key on plastic windows?
Functions of locks on plastic windows
These mechanisms are quite simple, since the window frame does not imply a big thickness, and its very structure makes it difficult to install massive devices. Special products adjust and opening the sash do not interfere.
There are many varieties there, but the fundamental structure is approximately the same. Window constipation includes the following components:
- guide corner and gasket warning plastic frame defects;
- Corpus with a locking device;
- Laying for constipation that performs the same function - plastic protection;
- opening key.
The functions of the shut-off mechanisms are:
- First of all, this is the protection of children. Handles and fittings are quite suitable toys, as many children think. But at the same time, the result of children's pranks can be swollen sash or heated in an attempt to pull the hand. Children's lock allows you to avoid this. Children's lock on plastic windows is presented in the photo;
- Protection against hacking. If metal entrance doors represent a greater complexity for the thief, then this does not say this on the metal-plastic window design.
This kind of shut-off mechanisms are divided into 3 classes. According to the safety level they provide:
- Grade 1 - warns the opportunity to open a frame without tools. Squeeze it just will not succeed;
- Grade 2 offers protection against hacking with screwdriver and pliers;
- Grade 3 does not allow hacking design even by mounting.
Justice to clarify that complete safety can be achieved only by combining constipation with other devices - lattices, roller shutters, protective film or impact-resistant glasses.
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Castles on plastic windows from children
The main function of such a mechanism from children is blocking the free opening of the sash.
- Cuthes - install it directly into the profile, so that the work is excluded here with their own hands. It is necessary to form a milling niche for the mechanism, and in the profile itself to do a hole for the keyhole. It is only the latter and remains in sight. Such a device allows you to open the leaf on the ventilation, but do not swallow. Pretty many companies produce mechanisms: Roto, BabysaFelock .. in the photo - Roto products.
- Overhead devices from children - In this case, the mechanism body is installed on the sash, and the second part is on the frame. Holes for fastening in the profile drill a drill, and the constipation itself is attached to bolts. The device allows you to open the flap on the ventilation.
- The knob with the lock for plastic windows is the most affordable children's model. The small cylinder lock is embedded into the handle and closes the key or fixed with the button. The ventilation does not open.
- Removable handle - not a locking mechanism. A, rather, a fixture for child safety, after closing the sash such an accessory is simply removed, so it is impossible to open the sash.
This device can be installed independently. To do this, turn the cap on basic accessories, unscrew the bolts and take out the original device. The locking mechanism has the same size and easily inserted. Then the handle is fixed and insert the plug.
- Model with a cable - the block executes the function of the door chain: allows you to open the sash, but not open. The cable is fixed on the frame of the sash and the window itself. To remove it, you must unlock the key mechanism.
Its installation is possible with your own hands: This is an overhead of the device, here both parts need to be secured on the profile. For this make holes for fastenings and screwed blocks. It is recommended to fix them in the bottom of the frame so as not to interfere with the adjustment of the position of the sash.
Protective mechanisms
The best option is a class valid 3 class. But if the lock is combined with roller shutters or grille, then you can choose the model easier.
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As a rule, robbers do not break the glass - it is not so fast, since it is necessary to break up 3-5 glasses, and moreover it creates a lot of noise and attracts attention. Similarly, attention is attracted to the long bustle of the closed window, so the main task of anti-burglar fittings is the detention of the thief for 5-10 minutes. It is impossible to do this with the help of a shut-off mechanism, so that the lock here is combined with other devices.
- As such a castle is best to choose a cylinder. But at the same time protected metal plate so that it is impossible to drill a larva from the outside. In the photo - sample of the castle device.
- The device is complemented by shut-off straps and pin. Minimum - 4 axles in the corners. If they are also located around the perimeter, the burglary of the design increases significantly.
- Booking - for this glass glued a special film, noticeably increasing impact resistance of the material.
Installing the lock on a plastic window and other accessories is possible both immediately in the manufacture and later during the repair. Installation of the device is possible only by specialists. Additional adjustment of fittings is not needed. In the video, the installation process is presented more clearly.