CN102810795A

CN102810795A - Electric connector

Info

Publication number: CN102810795A
Application number: CN201110144280XA
Authority: CN
Inventors: 胡军华
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2011-05-31
Filing date: 2011-05-31
Publication date: 2012-12-05
Anticipated expiration: 2031-05-31
Also published as: CN102810795B

Abstract

The invention discloses an electric connector. The electric connector comprises an insulation body, a shielding shell and a sub circuit board, wherein the shielding shell is coated outside the insulation body, the sub circuit board is arranged on the insulation body, the sub circuit board comprises two side edges and a top edge which is connected with the two side edges, grounding areas are arranged at the positions on the two side edges adjacent to the top edge, the shielding shell is provided with an elastic strip which stretches towards the inner part of the shielding shell, and the elastic strip is electrically connected with the grounding areas. The position selection of the grounding areas is convenient for the circuit design of the sub circuit board, and the miniaturization is beneficial to realize.

Description

Electric connector

[technical field]

The present invention relates to a kind of electric connector, relate in particular to the ground structure of electric connector.

[background technology]

China's utility model patent discloses a kind of electric connector No. 200920300191.8, and it comprises the metal shell of insulating body, coated insulation body and is installed on the terminal module on the insulating body.The terminal module comprises the sub-circuit board that is provided with perpendicular to fore-and-aft direction, and this sub-circuit board is provided with the arcuation ground area in dual-side.Metal shell comprises procapsid and back casing, and back casing is assembled in the insulating body outside from back to front, and this back casing is provided with and the corresponding arcuation shell fragment in ground area, the electrical butt in shell fragment and ground area inwardly.But the arcuation ground area is arranged at sub-circuit board circuit compact district, is unfavorable for the sub-circuit board circuit design, and when circuit is comparatively complicated, the arc structure of ground area will make the sub-circuit board size increase, and be unfavorable for miniaturization Design.

Therefore, be necessary the aforementioned electric connector is improved to solve aforementioned disadvantages of the prior art in fact.

[summary of the invention]

Main purpose of the present invention is to provide a kind of miniaturization and the stable electric connector of ground connection.

For reaching above-mentioned purpose; The present invention adopts following technical scheme: a kind of electric connector; It comprises insulating body, be coated on the outer shielding casing of insulating body and be installed on the sub-circuit board on the insulating body, and said sub-circuit board comprises dual-side and the top margin that links to each other with dual-side, and said side is being provided with the ground area with the top margin adjacent; Said shielding casing is provided with the shell fragment that in shielding casing, extends, and said shell fragment and said ground area electrically connect.

Compared with prior art, the advantage of electric connector of the present invention is: the ground area is arranged on sub-circuit board side and top margin adjacent area, can make things convenient for the sub-circuit board circuit design, helps realizing miniaturization.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of electric connector of the present invention;

Fig. 2 is the three-dimensional exploded view of electric connector of the present invention;

Fig. 3 is the three-dimensional exploded view of another angle of electric connector of the present invention;

Fig. 4 is the three-dimensional exploded view of electric connector terminal module of the present invention;

Fig. 5 is the partial enlarged drawing of sub-circuit board shown in Figure 4;

Fig. 6 is the circuit diagram of electric connector of the present invention.

[embodiment]

As depicted in figs. 1 and 2, electric connector 100 of the present invention comprises connector body 1 and is coated on the shielding casing 4 of this connector body 1.Said connector body 1 comprises insulating body 2, is contained in the indicator light 3 of insulating body 2 and the terminal module 5 that is connected with insulating body 2.

As shown in Figures 2 and 3, insulating body 2 be provided with interface 21 and from interface 21 be arranged with in order to accommodate the receiving space 22 of butt connector (not shown).Receiving space 22 both sides are provided with the side surface 23 that connects interface 21.Both side surface 23 relative orientation receiving spaces 22 are concaved with the fluorescent tube 31 that recess 231 has to hold indicator light 3; Said indicator light 3 also is provided with the pin 32 that links to each other with fluorescent tube 31, and the side surface 23 of insulating body 2 further offers the conduit 232 of fixing pin 32 better indicator light 3 is installed on the insulating body 2.

Shielding casing 4 is formed by sheet metal punching press bending, and this shielding casing 4 comprises end wall 41, connects the two side 42 and the loam cake 43 of end wall 41, and above-mentioned four parts are arranged with container cavity 44.Said sidewall 42 is provided with first bent sheet 421, second bent sheet 422 of outside bending in its rear side.Said loam cake 43 can be around the rotation of the junction of itself and end wall 41; This loam cake 43 comprises plate-like body portion 46 and autonomous body 46 both sides vertical extent and the auxiliary section 45 that joins with sidewall 42; Main part 46 is provided with through hole 461 in its rear side; Auxiliary section 45 is provided with the clamping part 451 that fastens with second bent sheet 422 in its rear side, and auxiliary section 45 also is provided with the shell fragment 452 that protrudes into container cavity 44 in medium position.In order to strengthen the electro-magnetic screen function of electric connector 100, at the rear side of shielding casing 4 back casing 6 is installed, this back casing 6 also is to be formed by sheet metal punching press bending, it is provided with base portion 61 and bending is extended from base portion 61 two ends alar part 62.Said base portion 61 upwards is provided with the through hole 461 of retaining sheet 611 to be fastened in shielding casing 4; Alar part 62 is provided with the opening 621 that first bent sheet 421 with shielding casing 4 fastens.

Like Fig. 4 to shown in Figure 6, terminal module 5 comprise be contained in receiving space 22 with butt connector electrically connect dock terminal group 51, magnetic module 52 and with the sub-circuit board 53 that

docks terminal group

51,52 electric connections of magnetic module.Butt joint terminal group 51 comprises plurality of conductive terminals 511 and and conducting terminal 511 integrated pedestals 512.Each conducting terminal 511 comprise horizontal-extending and be embedded in the holding parts 5111 of pedestal 512, from the reverse contact site 5112 of diagonally extending and be positioned at the weld part 5113 of holding parts 5111 other ends backwards up of holding parts 5,111 one ends.Magnetic module 52 comprises and roughly is box-like and has the insulator 521 of container cavity 5211 and be fixed on the some magnetic coils 522 (comprise magnetic core and be wound in the enamelled wire on the magnetic core) in the container cavity 5211.Insulator 521 is provided with the antetheca 5212 and rear wall 5213 that is positioned at container cavity 5211 both sides.Antetheca 5212 is provided with some terminal grooves of arranging along longitudinally 5214 with collecting company's connecting terminal 523.Splicing ear 523 is arranged in a row on longitudinally; Each splicing ear 523 1 end is provided with connecting portion 5231; This connecting portion 5231 electrically connects with the end of a thread (not shown) that magnetic coil 522 has; The other end is provided with horizontally extending welding foot 5232, and this welding foot 5232 electrically connects with sub-circuit board 53.Said rear wall 5213 is provided with the plurality of adapter coupling terminal 524 that connects magnetic coil 522 to the external circuit board (not shown).

Said sub-circuit board 53 is along the vertical direction setting perpendicular to fore-and-aft direction, and this sub-circuit board 53 is provided with dual-side 531 and reaches the top margin 532 that links to each other with dual-side 531.Side 531 is being provided with ground area 533 with top margin 532 adjacents.Ground area 533 is towards the sub-circuit board sunken inside, and this ground area 533 comprises grounded metal 5331 and the chamfering 5332 that links to each other with top margin 532.Grounded metal 5331 links to each other with sub-circuit board 53 internal circuits (not shown), and chamfering 5332 is mainly to 4 guide functions of shielding casing.The present invention is arranged on next-door neighbour top margin 532 places with ground area 533, and other circuit is few here, can make things convenient for the board circuit design, prevents that the ground area is arranged on the circuit compact district and needs to increase the sub-circuit board size.Sub-circuit board 53 further is provided with the two row's welding holes that on thickness direction, run through sub-circuit board 53 along longitudinally, is respectively first welding hole 534 and second welding hole 535.The weld part 5113 of conducting terminal 511 is welded in first welding hole 534 from front to back, and the welding foot 5232 of splicing ear 523 is welded in second welding hole 535 from back to front, promptly docks the relative both sides that terminal group 51 and magnetic module 52 are positioned at sub-circuit board 53.Between second welding hole 535 and ground area, be provided with some electronic components 536, comprise electric capacity and resistance (not shown) in the present embodiment.Those electronic components 536 electrically connect with the ground area 533 and second welding hole 535 through the conductive path (not shown) that has on the sub-circuit board 53.Because ground area 533 is chosen in top margin 532 and faces with side 531 and meet the place; Make electronic component 536 be between the ground area 533 and second welding hole 535; Ground area 533 can connect electronic component 536, second welding hole 535 successively through conductive path; Thereby shortened the length of conductive path, made things convenient for circuit design.

In the assembling process, shielding casing 4 is socketed in the outside of connector body 1, and clamping is realized with sidewall 42 in the loam cake 43 rotation backs of shielding casing 4.In the process of rotary clamping, the shell fragment 452 on the auxiliary section 45 is the chamfering 5332 of contact shoe circuit board 53 at first, and through the guiding of chamfering 5332, shell fragment 452 and then contact with grounded metal 5331 is grounded function.At last, second bent sheet 422 of the clamping part 451 of auxiliary section 45 rear sides and sidewall 42 realizes firm clamping, prevents that shell fragment 452 breaks away from grounded metals 5331.The loam cake 43 of shielding casing 4 is grounded function through rotary clamping among the present invention, and not only ground connection is stable, and also more convenient in the electric connector assembling process.

Claims

1. electric connector; It comprises insulating body, is coated on the outer shielding casing of insulating body and is installed on the sub-circuit board on the insulating body; Said sub-circuit board comprises dual-side and the top margin that links to each other with dual-side; It is characterized in that: said side is being provided with the ground area with the top margin adjacent, and said shielding casing is provided with the shell fragment that in shielding casing, extends, and said shell fragment and said ground area electrically connect.

2. electric connector as claimed in claim 1 is characterized in that: said ground area is towards the sub-circuit board inner recess.

3. electric connector as claimed in claim 1 is characterized in that: said ground area comprises grounded metal and the chamfering that links to each other with top margin, and said shell fragment at first contacts chamfering, then realizes electrically connecting with grounded metal.

4. electric connector as claimed in claim 1; It is characterized in that: said sub-circuit board edge is perpendicular to the vertical direction setting of docking direction and on longitudinally, be provided with at least one row's welding hole, and sub-circuit board also is provided with electronic component between ground area and welding hole.

5. electric connector as claimed in claim 4 is characterized in that: said ground area electrically connects electronic component, welding hole successively through the conductive path that has on the sub-circuit board.

6. like each described electric connector in the claim 1 to 5, it is characterized in that: said shielding casing comprises end wall, connects the two side and the loam cake of end wall, and said loam cake can be fastened on said sidewall after the rotation of the junction of loam cake and end wall.

7. electric connector as claimed in claim 6 is characterized in that: said loam cake comprises main part and autonomous body both sides vertical extent and the auxiliary section that joins with sidewall, and shell fragment is arranged on the auxiliary section.

8. electric connector as claimed in claim 7 is characterized in that: said sidewall is provided with second bent sheet in its rear side, and said auxiliary section is provided with the clamping part that fastens with second bent sheet.