For some very small things, we usually ignore it. The center buckle is like this. In fact, in our daily life, including many frequently used items, there will be a over center buckle , but we rarely pay attention to it.
The center buckle is usually used to secure the goods during the tight transportation period. The utility model is convenient to use, can be separated and fastened easily and quickly, and at the same time, it is convenient to adjust and fasten the connection when the strap is connected. Generally, straps for binding goods require a more flexible adjustment mechanism to facilitate installation and adjustment of the length of the strap. At the same time, the adjustment mechanism must have a more stable locking function to lock the strap to maintain the same length. This is often used by eccentric buckles. to realise.
However, if only the center buckle is used, it is difficult to achieve the function of firmly fixing the product, so it is usually used with cam buckle straps with hooks or other items to maximize the function.