CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority of Republic of China Patent Application No. 108123207 and No. 108135937 filed on Jul. 4, 2019 and Oct. 3, 2019, in the State Intellectual Property Office of the R.O.C., the disclosure of which is incorporated herein by reference.

BACKGROUND OF THE INVENTION

Field of the Invention

The present invention relates to electrical connectors and manufacturing methods thereof, and more particularly, to an electrical connector, which is formed from an electrical connector semi-manufacture made of a plurality of grounding terminals that are fixed in position by gripping and electrically interconnected, combined with a buried insulating housing for positioning signal terminals and the electrical connector semi-manufacture, and a manufacturing method of the electrical connector.

Descriptions of the Related Art

Electrical connectors have recently been widely applied to various electronic devices, and more and more electrical connectors are inevitably asked to be customized to special requirements and designs of the electronic devices. This however increases difficulty in manufacturing electrical connectors and brings about concern for structural strength of the electrical connectors.

An electrical connector generally includes a plurality of conductive terminals, some of which may have to be electrical interconnected. A jumper is usually used to form electrical connection between those conductive terminals, while it is liable to be deformed or damaged by external force. This thereby undesirably causes electrical connection breakage between those terminals and deteriorates yield of the electrical connector.

Therefore, how to provide an electrical connector that no jumper is needed to form electrical connection between conductive terminals, is an important task in the art

SUMMARY OF THE INVENTION

In view of the above drawbacks in the prior art, a primary object of the present invention is to provide an electrical connector and manufacturing methods thereof can effectively solve the electrical connection breakage between those grounding terminals.

According to another purpose of the invention, an electrical connector and manufacturing methods of the invention, the manufacturing procedures of the electrical connector can be simplified.

To achieve the above and other objects, an electrical connector is provided in the invention, the electrical connector including: a terminal set including at least one middle terminal, a left terminal and a right terminal; a terminal base including a base body, at least one middle terminal channel, a left terminal positioning portion and a right terminal positioning portion, wherein the middle channel is located in the base body and for allowing the middle terminal to penetrate therethrough and preventing the middle terminal from touching the base body, and the left terminal positioning portion and the right terminal positioning portion are provided on the base body and for respectively fixing the left terminal and the right terminal at predetermined positions at left and the right sides of the middle terminal and allowing the left terminal and the right terminal to be electrically connected to each other, so as to form an electrical connector semi-manufacture; and an insulating housing including a housing body, at least one middle terminal positioning portion and a terminal base positioning portion, wherein the middle terminal positioning portion and the terminal base positioning portion are provided on the housing body, and for respectively positioning the middle terminal and the terminal base of the electrical connector semi-manufacture, and allowing both ends of each of the middle, left terminal and the right terminal to be respectively extended in a predetermined direction and beyond the housing body.

Preferably, in the electrical connector said above, further the terminal base is a conductive plastic terminal base.

Preferably, in the electrical connector said above, further the terminal base further includes a terminal base coupling portion, and the insulating housing further includes a terminal base exposing structure formed on the housing body and for exposing the terminal base coupling portion to make it able to provide electrical coupling.

Preferably, in the electrical connector said above, further the left terminal positioning portion includes a left terminal gripping structure for gripping the left terminal, and the right terminal positioning portion includes a right terminal gripping structure for gripping the right terminal.

Preferably, in the electrical connector said above, further the left terminal clamping structure and a right terminal clamping structure is respectively be formed on the left and the right terminal positioning portions to clamp and position the left terminal and the right terminal respectively.

Preferably, in the electrical connector said above, further the middle terminal positioning portion includes a middle terminal embedding structure for positioning and embedding the middle terminal, and the terminal base positioning portion includes a terminal base embedding structure for positioning and embedding the terminal base.

Preferably, in the electrical connector said above, further the terminal base includes an insulating housing embedding structure for being embedded in the insulating housing.

Preferably, in the electrical connector said above, further the middle terminal is a signal terminal, the left terminal and the right terminal are grounding terminals.

Furthermore, the present invention provides an electrical connector manufacturing methods thereof, the electrical connector manufacturing methods thereof, including the steps of: providing a terminal set that includes at least one middle terminal, a left terminal and a right terminal; providing a terminal base, and allowing the terminal base to respectively fix the left terminal and the right terminal at predetermined positions at two sides of the middle terminal and make the left terminal and the right terminal electrically connected to each other, so as to form an electrical connector semi-manufacture; and providing an insulating housing, and allowing the insulating housing to respectively position the middle terminal and the terminal base of the electrical connector semi-manufacture, wherein both ends of each of the middle, left terminal and the right terminal are allowed to be respectively extended in a predetermined direction and beyond the insulating housing, so as to form a finished electrical connector, wherein the insulating housing is buried and integrally formed with the middle terminal and the terminal base.

Preferably, in the electrical connector manufacturing methods thereof said above, further including the insulating housing, for exposing the terminal base and making it able to provide electrical coupling.

Preferably, in the electrical connector manufacturing methods thereof said above, further including the terminal base is gripping or clamping, to respectively the left terminal and the right terminal, and the insulating housing is gripping, to respectively the middle terminal and the terminal base.

In comparison to prior arts, a primary object of the present invention is to provide an electrical connector and manufacturing method thereof. An electrical connector semi-manufacture is firstly formed, wherein left terminal and the right terminal (that is, grounding terminals) of a terminal set are positioned and gripped, and then an insulating housing is formed by burying technique and is used to fix a middle terminal (that is, signal terminal) and the electrical connector semi-manufacture in position. This enhances positioning of the grounding terminals and prevents them from shifting, thereby giving a lot of advantages such as improving product yield, simplifying production flow and reducing mold costs. No jumper is needed to form electrical connection between conductive terminals Thus, there is no concern for electrical connection breakage between those grounding terminals, while manufacturing procedures of the electrical connector can be simplified.

