Electrical connector
地域：
New Taipei
摘要
An electrical connector includes an insulating housing, a plurality of conductive terminals fastened to the insulating housing, and a shielding element surrounding the insulating housing. The insulating housing has at least one docking surface. Each of the plurality of the conductive terminals has an extending portion. A surface of the extending portion of each of the plurality of the conductive terminals forms an insulation layer. The shielding element has a base body. At least one portion of a front surface of the base body protrudes frontward to form at least one sealing board attached to a rear of the at least one docking surface. The insulation layer of the extending portion of each of the plurality of the conductive terminals is exposed to the at least one docking surface, and is adjacent to and projects beyond a front surface of the at least one sealing board.
說明書
The present invention generally relates to a connector, and more particularly to an electrical connector.
With the continuous developments of electronic products, a variety of the electronic products are connected with peripheral devices more and more frequently. A way of connecting each of the electronic products with one of the peripheral devices by a connector is a common connecting way.
權(quán)利要求
What is claimed is:1. An electrical connector adapted for being interconnected with a docking connector, comprising:an insulating housing including a main portion, and a tongue portion fastened to a front end of the main portion, the tongue portion having a first docking portion, and a second docking portion protruded frontward from a middle of a front surface of the first docking portion, the tongue portion opening a plurality of terminal grooves arranged in two rows along an up-down direction, the terminal grooves being transversely arranged in each row, the two rows of the plurality of the terminal grooves penetrating through an upper portion and a lower portion of the first docking portion along a longitudinal direction, and a top surface and a bottom surface of the second docking portion along the up-down direction; a plurality of conductive terminals fastened to the insulating housing and arranged in two rows, each of the plurality of the conductive terminals having a fastening portion, an extending portion connected with a front end of the fastening portion, and a contact portion connected with a front end of the extending portion, a surface of the extending portion of each of the plurality of the conductive terminals forming an insulation layer, the fastening portions of the plurality of the conductive terminals being fastened in the main portion, front ends of the extending portions and the contact portions of the two rows of the plurality of the conductive terminals passing through the two rows of the plurality of the terminal grooves and being exposed to the top surface and the bottom surface of the second docking portion; and a shielding element formed by a metal injection molding technology, the shielding element surrounding the insulating housing, the shielding element having a base body, two opposite sides of a front surface of the base body extending frontward to form two side boards spaced from each other, an upper portion and a lower portion of the front surface of the base body protruding frontward to form two sealing boards, the two sealing boards being attached to a top surface and a bottom surface of the first docking portion, the first docking portion being surrounded among the two side boards and the two sealing boards, a front surface of the second docking portion being flush with front surfaces of the two side boards; wherein the insulation layers of the extending portions of the two rows of the plurality of the conductive terminals are exposed to the top surface and the bottom surface of the second docking portion respectively, and are adjacent to and project beyond front surfaces of the two sealing boards respectively. 2. The electrical connector as claimed in claim 1 , wherein each of the surfaces of the extending portions of the plurality of the conductive terminals adjacent to and projecting beyond the front surfaces of the two sealing boards is coated with a layer of insulation ink by a pad printing technology to form the insulation layer. 3. The electrical connector as claimed in claim 2 , wherein each of surfaces of the front ends of the extending portions of the two rows of the plurality of the conductive terminals exposed out of the insulating housing, and adjacent to and projecting beyond the front surfaces of the two sealing boards respectively is coated with the layer of the insulation ink by the pad printing technology to form the insulation layer, each of surfaces of rear ends of the extending portions of the two rows of the plurality of the conductive terminals adjacent to the front surfaces of the two sealing boards respectively is capable of being coated with the layer of the insulation ink by the pad printing technology to form the insulation layer and being received in one of the plurality of terminal grooves. 4. The electrical connector as claimed in claim 1 , wherein a length of the insulation layer of each of the extending portions of the two rows of the plurality of the conductive terminals projecting beyond the front surfaces of the two sealing boards respectively is approximately 0.25 mm. 5. The electrical connector as claimed in claim 1 , wherein the two rows of the plurality of the terminal grooves include an upper row of the terminal grooves, and a lower row of the terminal grooves located under the upper row of the terminal grooves, the tongue portion has a limiting portion, and the first docking portion protruded frontward from a middle of a front surface of the limiting portion, the upper row of the terminal grooves penetrate through an upper portion of a rear surface of the limiting portion, the upper portion of the first docking portion and the top surface of the second docking portion, the lower row of the terminal grooves penetrate through a lower portion of the rear surface of the limiting portion, the lower portion of the first docking portion, and the bottom surface of the second docking portion, the plurality of the conductive terminals include an upper row of the conductive terminals and a lower row of the conductive terminals, front ends of the upper row of the conductive terminals pass through the upper row of the terminal grooves, front ends of the lower row of the conductive terminals pass through the lower row of the terminal grooves. 6. The electrical connector as claimed in claim 1 , wherein the main portion includes a base portion, and a connecting portion protruded frontward from a middle of a front surface of the base portion, the main portion includes an upper dielectric body, and a lower dielectric body which are matched with each other and assembled together, the upper dielectric body has an upper base portion, and an upper connecting portion protruded frontward from a lower portion of a front surface of the upper base portion, the upper base portion and the lower base portion are assembled into the base portion, the upper connecting portion and the lower connecting portion are assembled into the connecting portion, the plurality of the conductive terminals are fastened to the base portion and the connecting portion of the main portion of the insulating housing, the conductive terminals are transversely arranged in each row. 7. The electrical connector as claimed in claim 6 , wherein the tongue portion has a limiting portion, and the first docking portion protruded frontward from a middle of a front surface of the limiting portion, the base body opens a first receiving chamber passing through a rear surface of the base body, a front wall of the first receiving chamber opens a second receiving chamber passing through a front surface of the base body, the shielding element is integrally molded to the tongue portion, the base portion covers and seals a rear end of the shielding element, the connecting portion is received in the first receiving chamber, the limiting portion is accommodated in the second receiving chamber. 8. The electrical connector as claimed in claim 7 , wherein the two sealing boards are connected with upper portions and lower portions of rear ends of the two side boards connecting with the base body, a third receiving chamber is surrounded among the two side boards and the two sealing boards, and communicated with the first receiving chamber, the first docking portion is accommodated in the third receiving chamber. 9. The electrical connector as claimed in claim 7 , wherein middles of a top surface and a bottom surface of the connecting portion protrude oppositely to form two buckling blocks, middles of a top and a bottom of the base body open two buckling grooves communicated with the first receiving chamber, the two buckling blocks are buckled in the two buckling grooves, respectively. 10. The electrical connector as claimed in claim 7 , wherein two opposite sides of the front surface of the limiting portion protrude frontward to form two limiting ribs, middles of two facing surfaces of the two side boards are recessed oppositely to form two limiting slots extending longitudinally, the two limiting ribs are limited in the two limiting slots, respectively. 11. The electrical connector as claimed in claim 7 , wherein the shielding element further has a connecting board connected between front ends of the two side boards, an opening is formed between the front ends of the two side boards projecting beyond the front surfaces of the two sealing boards, the second docking portion is received in the opening, the connecting board is molded in a front end of the second docking portion. 12. The electrical connector as claimed in claim 7 , further comprising at least one ground terminal which has a fixing portion, a touching portion connected with one end of the fixing portion, and a soldering portion connected with the other end of the fixing portion, at least one portion of a top surface of the upper connecting portion and a bottom surface of the lower connecting portion being recessed inward to form at least one lacking groove penetrating through at least one portion of a front surface of the upper connecting portion and a front surface of the lower connecting portion, a front end of the fixing portion and the touching portion of the at least one ground terminal being fastened in the at least one lacking groove, a free end of the touching portion of the at least one ground terminal abutting against an inner surface of a wall of the first receiving chamber. 13. The electrical connector as claimed in claim 12 , wherein the at least one ground terminal includes two upper ground terminals and two lower ground terminals, the two upper ground terminals have two upper fixing portions, two upper touching portions slantwise extended rearward and upward, and then arched downward from tops of front ends of the two upper fixing portions, and two upper soldering portions slantwise extended rearward and oppositely, and then bent rearward from tops of rear ends of the two upper fixing portions, two opposite sides of the top surface of the upper connecting portion are recessed inward to form two upper lacking grooves penetrating through two opposite sides of the front surface of the upper connecting portion, the upper fixing portions of the two upper ground terminals are molded in the upper dielectric body, the upper touching portions of the two upper ground terminals are fastened in the two upper lacking grooves, respectively, the upper soldering portions of the two upper ground terminals project beyond a rear surface of the upper base portion, free ends of the upper touching portions of the two upper ground terminals abut against an inner surface of a top wall of the first receiving chamber. 14. The electrical connector as claimed in claim 13 , wherein the two lower ground terminals have two lower fixing portions, two lower touching portions slantwise extended rearward and downward, and then arched upward from bottoms of front ends of the two lower fixing portions, and two lower soldering portions slantwise extended rearward and oppositely, and then bent rearward from bottoms of rear ends of the two lower fixing portions, the lower fixing portions of the two lower ground terminals are molded in the lower dielectric body, two opposite sides of the bottom surface of the lower connecting portion are recessed inward to form two lower lacking grooves penetrating through two opposite sides of the front surface of the lower connecting portion, the lower touching portions of the two lower ground terminals are fastened in the two lower lacking grooves, the lower soldering portions of the two lower ground terminals project beyond a rear surface of the lower base portion, free ends of the lower touching portions of the two lower ground terminals abut against an inner surface of a bottom wall of the first receiving chamber. 15. An electrical connector adapted for being interconnected with a docking connector, comprising:an insulating housing having at least one docking surface for being docked with the docking connector, the insulating housing including a main portion, and a tongue portion fastened to a front end of the main portion, the tongue portion having a first docking portion, and a second docking portion protruded frontward from a middle of a front surface of the first docking portion; a plurality of conductive terminals fastened to the insulating housing and transversely arranged along the at least one docking surface, each of the plurality of the conductive terminals having a fastening portion, an extending portion connected with a front end of the fastening portion, and a contact portion connected with a front end of the extending portion, a surface of the extending portion of each of the plurality of the conductive terminals forming an insulation layer, the fastening portions of the plurality of the conductive terminals being fastened in the main portion, front ends of the extending portions and the contact portions of the plurality of the conductive terminals being exposed to a top surface and a bottom surface of the second docking portion; and a shielding element formed by a metal injection molding technology, the shielding element surrounding the insulating housing, the shielding element having a base body, two opposite sides of a front surface of the base body extending frontward to form two side boards spaced from each other, at least one portion of the front surface of the base body protruding frontward to form at least one sealing board connected with rear ends of the two side boards connecting with the base body, the at least one sealing board being attached to a rear of the at least one docking surface, the first docking portion being surrounded among the two side boards and the at least one sealing board, a front surface of the second docking portion being flush with front surfaces of the two side boards; wherein the insulation layer of the extending portion of each of the plurality of the conductive terminals is exposed to the at least one docking surface, and is adjacent to and projects beyond a front surface of the at least one sealing board. 16. The electrical connector as claimed in claim 15 , wherein the surface of the extending portion of each of the plurality of the conductive terminals adjacent to and projecting beyond the front surface of the at least one sealing board is coated with a layer of the insulation ink by a pad printing technology to form the insulation layer. 17. The electrical connector as claimed in claim 16 , wherein a surface of a front end of the extending portion of each of the plurality of the conductive terminals exposed out of the insulating housing, and adjacent to and projecting beyond the front surface of the at least one sealing board is coated with the layer of the insulation ink by the pad printing technology to form the insulation layer, a surface of a rear end of the extending portion of each of the plurality of the conductive terminals adjacent to the front surface of the at least one sealing board is capable of being coated with the layer of the insulation ink by the pad printing technology to form the insulation layer and being received in the insulating housing. 18. The electrical connector as claimed in claim 15 , wherein a length of the insulation layer of the extending portion of each of the plurality of the conductive terminals projecting beyond the front surface of the at least one sealing board is approximately 0.25 mm.
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