The basic components of the connector are:
1. contact parts:
Contact element (contacts) is the core part of the connector to complete the electrical connection function. The contact pairs are usually made up of positive contacts and negative contacts, and the electrical connection is accomplished by inserting the Yin and Yang contacts.
Positive contact parts are rigid parts, and their shapes are cylindrical (circular pins), square (square pins) or flat (inserts). Positive contacts are usually made of brass and phosphor bronze.
The negative contact is the key part of the contact. It depends on the elastic deformation when the elastic structure is inserted into the needle and produces elastic force with the positive contact to form the close contact and complete the connection. There are many types of holes, such as cylindrical (groove, shrinkage), tuning fork type, cantilever beam (longitudinal slotting), folded type (longitudinal slotting, 9 shaped), box shaped (square hole) and double curved line spring jack, etc.
Insulators are often called base (base) or insert. The function of the insulator is to make the contact arranged according to the required position and distance, and to ensure the insulation between the contact parts and the contact parts and the outer shell. Good insulation resistance, voltage resistance and workability are the basic requirements to choose insulators to be insulators.
The shell, also known as the shell (shell), is the outer cover of the connector. It provides mechanical protection for the insulated mounting plate and pin, and provides the alignment of the plug and socket at the time of insertion, and then the connector is fixed to the equipment.
Accessory structure accessories and installation accessories. Structural accessories such as circlip, positioning key, locating pin, guide pin, connecting ring, cable clip, sealing ring, gasket, etc. Attachments such as screws, nuts, screws, coils and so on. Most of the accessories are standard and universal.
The basic performance of connector knowledge connector can be divided into three categories: mechanical performance, environmental performance and electrical performance. Another important mechanical property is the mechanical life of connectors. Mechanical life is actually a kind of durability (durability) index. It is called mechanical operation in national standard GB5095. It is based on a single insertion and one pullout as a cycle to determine whether the connector can properly complete its connection function (such as the contact resistance value) after the specified plug - in cycle.
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