How to use expansion screws
Release time:
2023-05-18 14:45
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First of all, we need to understand the principle and performance of expansion screws. Expansion screws generally refer to metal expansion screws, in fact, there are plastic expansion screws, but they are not commonly used, so we generally think that they are metal. The main way to fix expansion screws is to use the wedge inclination, which can promote the friction gripping force of the expansion screws. One end of the screw is the thread and the other end is the taper. The expansion screw is covered with a tin, half of the tin cylinder has several notches, they are put together into the hole made in the wall, and then lock the nut, the nut pulls the screw outward, pulls the taper into the tin cylinder, the tin cylinder is blown open, so that it is firmly fixed to the wall. But its fixed is not very reliable, if there is a large vibration, may occur loose, for the sake of safety, do not use to install ceiling fans, oh, not careful may happen dangerous.
Four pieces of expansion screws, also called four pieces of gecko, also known as expansion bolts and explosive screws, are generally used in engineering construction, bridge, ship and automobile. Due to the small drilling, large tension, more beautiful after use, expansion screw can be removed when not in use, and it can also keep the wall flat, is a convenient and practical small thing, so it is widely used in various decoration occasions. Therefore, when we decorate, it is also essential, such as fastening air conditioning, water heater, range hood, can also be fixed balcony Windows, anti-theft doors and Windows, kitchen, bathroom components and other occasions need to be fixed. In addition, expansion screws are often used in building curtain walls, interior decoration, lighting, advertising billboards, TV wall hanging, monitors and so on. At present, expansion screws are mainly used in foreign construction fields, such as Europe, the United States, the Middle East, Japan and South Korea and other developed countries.
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First of all, we need to understand the principle and performance of expansion screws. Expansion screws generally refer to metal expansion screws, in fact, there are plastic expansion screws, but they are not commonly used, so we generally think that they are metal.
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