What are the captured connecting elements?

The captured fastening elements are pieces of hardware that are shaped as nuts and are usually mounted in a hollow tube or channel. The fastening elements allow tightening the screw or screw into the fastener and connect two parts of the assembly. Captation of the fasteners are commonly used in hard -to -reach places where the key could not be placed on faster. Some fasteners are welded inside the canal or pipes and other patterns have pressed the fastening element inside the part, as a rivet.

These fasteners come in a range of designs and common connections between all fastening elements are a serrated edge that causes the matrix to dig into the material in which it is located. Some fasteners used in wood products have teeth similar to clamps protruding from the upper part, which sink into the wood and prevent the matrix from rotating. Captured fasteners used in metal have sharp serrated edges formed into the surface of the matrix that bites do Kovuke to which they are connected.

common use

captured fasteners are used in many common objects of households. Screws that hold most of the refrigerator door when using fasteners. Most of the home entertainment centers are fixed with the help of prisoners. The use of these special fasteners are held by car trunks and hoods, like most doors.

plastic varieties

Some of these fasteners come in the form of hollow plastic inserts that are built into a wooden product. It serves as a place where the screws can be controlled to hold a panel or even a picture on site. Some automotive lining also uses plastic inserts and mount the pieces of cropping to the bolt site through the lining and into the plastic receptor.

advantages

Before the arrival of the captured fastener required the access itema hole to tighten on the spot. This will create structural weaknesses in many products that in turn required to add to the design. This increased production costs that were handed over to the consumer. The use of prisoners allows manufacturers to design products that are easy to assemble, which cost less to produce and are robust and stable.

The automotive market with a substitute supported the use of captivity equipment in the form of DZUS fasteners or fasteners with a quarter turn. This type of fastening element uses a spring clip on which the male mounting element grabs and locks firmly. These fasteners are used to secure hoods, doors and other inner and exterior panels of the body.