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Introduction to the structure of automotive connectors

Time: 2021-05-08

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Introduction to the structure of automotive connectors

In recent years, with the improvement of the national economy, the automobile industry is also developing rapidly. Today we are not talking about the automobile industry. Let's talk about automotive connectors that are inseparable from the automobile. 


Generally, there are nearly 100 kinds of car connectors used in a car, and there are hundreds of car connectors used in a single type of car. Nowadays, people's requirements for automobile safety, environmental protection, comfort, intelligence, etc. continue to increase, which will cause the application of automotive electronic products to increase day by day, and finally the number of applications of automotive connectors will also be greatly increased.



Automotive connectors generally consist of four basic structural components, namely contacts, shells, insulators and accessories. It is precisely because of these four basic structural components that automotive connectors can act as bridges and operate stably.

                 Commonly used automotive sensors

The contact is the core part of the automotive connector to complete the electrical connection function. Generally, a contact pair is composed of a male contact piece and a female contact piece, and the electrical connection is completed by the insertion of the female and male contact pieces. The male contact is a rigid part, and its shape is cylindrical (round pin), square cylinder (square pin) or flat (insert piece). 


The male contact is generally made of brass or phosphor bronze. The female contact piece, namely the socket, is the key part of the contact pair. It relies on the elastic structure to be elastically deformed when it is inserted into the pin to generate elastic force to form close contact with the male contact piece to complete the connection. There are many types of jack structures, including cylindrical (split, necking), tuning fork, cantilever type (longitudinal slot), folding type (longitudinal slot, 9-shaped), box-shaped (square jack) And the hyperboloid wire spring jack and so on.



The shell, also called the shell, is the outer cover of the car connector. It provides mechanical protection for the built-in insulating mounting plate and pins, and provides the alignment of the plug and socket when mating, and then fixes the connector to the device .



The insulator is also often referred to as the base or insert of the car connector. Its function is to arrange the contacts according to the required position and spacing, and to ensure that the contacts and between the contacts and the shell The insulation performance. Good insulation resistance, withstand voltage performance and easy processing are the basic requirements for selecting insulating materials to be processed into insulators.


The accessories are divided into structural accessories and installation accessories. Structural accessories such as clamp rings, positioning keys, positioning pins, guide pins, connecting rings, cable clamps, sealing rings, gaskets, etc. Install accessories such as screws, nuts, screws, spring rings, etc. Most of the accessories have standard parts and common parts.



Suzhou Sandian Precision Mould Co., Ltd. provides various types of sensor housings. If necessary, please contact us.



Label: Introduction to Automotive Connectors, Sensors, Automotive Connectors