CN201498790U

CN201498790U - electrical connector

Info

Publication number: CN201498790U
Application number: CN2009203086988U
Authority: CN
Inventors: 张志成
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: 2009-08-25
Filing date: 2009-08-25
Publication date: 2010-06-02
Anticipated expiration: 2019-08-25

Abstract

An electrical connector comprises an insulation body, a shielding casing coating the insulation body and a plugging module arranged in the insulation body. The plugging module comprises a first sub circuit board, a second sub circuit board, a third sub circuit board and a ground terminal, wherein the second sub circuit board is arranged opposite to the first sub circuit board, the third sub circuit board is perpendicular to the first sub circuit board and the second sub circuit board, the ground terminal comprises a first terminal, a second terminal, a third terminal and a fourth terminal, wherein the first terminal is electrically connected to the first sub circuit board, the second terminal is electrically connected to the second sub circuit board, the third terminal is electrically connected to the third sub circuit board, the fourth terminal is electrically connected to the shielding casing, and the first sub circuit board, the second sub circuit board and the third sub circuit board are electrically connected to the shielding casing through the ground terminal. The ground terminal is practical in structure and is favorable for reducing cost.

Description

Electric connector

[technical field]

The utility model is relevant a kind of electric connector, especially about the ground structure of this electric connector.

[background technology]

The prior art relevant with present patent application sees also the United States Patent (USP) on May 18th, 2004 and announces No. 6736673.This patent has disclosed a kind of electric connector, the insertion module that it comprises the shield shell of insulating body, coated insulation body and is contained in insulating body, described insertion module comprises a carrier and is arranged at the sub-circuit board of the relative both sides of carrier, described carrier upside is provided with an earth terminal, described earth terminal comprises the welding ends that is welded in sub-circuit board, and described earth terminal is connected in shield shell by a series of assemblies.

So be provided with, ground structure is comparatively complicated, and practical inadequately, cost is higher.

[utility model content]

The purpose of this utility model is to provide a kind of ground structure practicality, electric connector that production cost is lower.

For achieving the above object, the utility model electric connector adopts following technical scheme: a kind of electric connector, it comprises insulating body, the shield shell of coated insulation body and be contained in the insertion module of insulating body, described insertion module comprises first sub-circuit board, second sub-circuit board that is oppositely arranged with first sub-circuit board, with first sub-circuit board and vertically disposed the 3rd sub-circuit board of second sub-circuit board and earth terminal, described earth terminal comprises first end that is electrically connected at first sub-circuit board, be electrically connected at second end of second sub-circuit board, be electrically connected at the 3rd end of the 3rd sub-circuit board and be electrically connected at the 4th end of shield shell, first sub-circuit board, second sub-circuit board and the 3rd sub-circuit board are electrically connected to shield shell by earth terminal.

Compared with prior art, the utility model electric connector has following progress: described earth terminal comprises four groups of earth terminals, utilize these four groups of earth terminals first sub-circuit board, second sub-circuit board and the 3rd sub-circuit board can be electrically connected to shield shell, therefore with respect to the ground structure of preceding case, this case earthing terminal structure is practical more, and production cost is lower.

The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.

[description of drawings]

Fig. 1 is the stereogram that the utility model electric connector is installed on female circuit board;

Fig. 2 is the stereogram of electric connector shown in Figure 1;

Fig. 3 is the exploded view of electric connector shown in Figure 1;

Fig. 4 is the exploded view of the insertion module of electric connector shown in Figure 1;

Fig. 5 is the stereogram after the insertion module of electric connector shown in Figure 1 removes carrier;

Fig. 6 is second carrier of electric connector shown in Figure 1 and the stereogram of earth terminal.

[embodiment]

See also shown in Fig. 1-3, one of the utility model embodiment is a kind of 2 * 4 type electric connectors 1, and it can cooperate with butt connector (not shown), and can be installed on female circuit board 5 so that butt connector (not shown) is connected to female circuit board 5.This electric connector 1 comprises and is provided with the two-layer up and down horizontal insulating body 2 to plug receptacle 20, is contained in the insertion module 3 of insulating body 2 and is coated on the shield shell 4 in insulating body 2 outsides.

See also shown in Figure 36, electric connector 1 comprises that four are inserted modules 3, insert module 3 comprise first carrier 30 as one kind, be installed on first carrier 30 as one kind, one side first sub-circuit board 31, be installed on the relative opposite side of first carrier 30 as one kind second sub-circuit board 32, be arranged at the first carrier 30 as one kind bottom side the 3rd sub-circuit board 33, be installed on second carrier 34 between first carrier 30 as one kind and the 3rd sub-circuit board 33, be installed on docking module 35, be installed on the earth terminal 36 on second carrier 34 and be contained in the magnetic element 37 of first carrier 30 as one kind of the first carrier 30 as one kind front end.In the present embodiment, two are inserted module 3 shared one the 3rd sub-circuit boards 33, also can be designed to each certainly and insert that module 3 has the 3rd an exclusive sub-circuit board 33 but not both are shared.Described butt joint module 35 is electrically connected at first sub-circuit board 31 and second sub-circuit board 32, described insertion module 3 inserts insulating body 2 from the rear portion of the body 2 that insulate, and butt joint module 35 is exposed to plug receptacle 20 and can cooperates with the butt connector (not shown) that inserts plug receptacle 20.Described first sub-circuit board 31 and second sub-circuit board, 32 parallel being oppositely arranged, and it is all perpendicular with the 3rd sub-circuit board 33, first sub-circuit board 31 is provided with first welding hole 310, second sub-circuit board 32 is provided with second welding hole 320, the 3rd sub-circuit board 33 is provided with the 3rd welding hole 330, the 3rd sub-circuit board 33 has shielding action, and it is arranged at the bottom of electric connector 1, thereby direct and female circuit board 5 is parallel relative.Described second carrier 34 is provided with first splicing ear 340 that first sub-circuit board 31 is connected with the 3rd sub-circuit board 33, second splicing ear 341 that second sub-circuit board 32 is connected with the 3rd sub-circuit board 33, the through hole 342 that runs through second carrier both sides about in the of 34, first groove 343 that extends to first sub-circuit board 31 from through hole 342, second groove 344 that extends to second sub-circuit board 32 from through hole 342 and the 3rd groove 345 that extends back from through hole 342.First splicing ear 340 and second splicing ear 341 all can be welded in female circuit board 5.Described earth terminal 36, through hole 342 and first, second, the 3rd groove 343,344,345 all are positioned at first, second splicing ear 340,341 rear side, described earth terminal 36 is integral types, it comprises the base portion 364 that is positioned at earth terminal 36 centers, from first end 360 of base portion 364 to 31 extensions of first sub-circuit board, from second end 361 of base portion 364 to 32 extensions of second sub-circuit board, reach the 4th end 363 that extends to shield shell 4 from base portion 364 from base portion 364 to the 3rd end 362 that the 3rd sub-circuit board 33 extends, in the present embodiment, base portion 364 plays the effect that extends outward each end, its shape, size there is no concrete restriction, first end 360, second end 361 and the 3rd end 362 are in same plane, the 4th end 363 is vertical with described plane, certainly, the 4th end 363 also can be other angle with described plane, first end 360, second end 361 and the 3rd end 362 are not to be in same plane yet, as long as be convenient to and first, second, the

3rd sub-circuit board

31,32,33 connections get final product.Described first end 360 is contained in first groove 343 and is welded in first welding hole 310, described second end 361 is contained in second groove 344 and is welded in second welding hole 320, described the 3rd end 362 passes through hole 342 and is welded in the 3rd welding hole 330, and described the 4th end 363 is contained in the 3rd groove 345 and is welded in shield shell 4.In the present embodiment, during assembling, can be earlier with first splicing ear 340, second splicing ear 341 and earth terminal 36 are all integrated and are positioned second carrier 34, again first sub-circuit board 31 and second sub-circuit board 32 are assembled in second carrier, 34 both sides, first splicing ear 340 and first end 360 all insert in the welding hole of first sub-circuit board 31, second splicing ear 341 and second end 361 all insert in the welding hole of second sub-circuit board 32, can utilize automation equipment to draw weldering first splicing ear 340 and first end 360 in the lump in the welding hole of first sub-circuit board 31 then, draw weldering second splicing ear 341 and second end 361 equally in the lump automatically in the welding hole of second sub-circuit board 32; The welding of the 3rd end 362 and the 3rd sub-circuit board 33 does not need to increase in addition operation yet, be about to the 3rd sub-circuit board 33 and be installed on second carrier 34, first splicing ear 340, second splicing ear 341 and the 3rd end 362 insert in the welding hole of the 3rd sub-circuit board 33, utilize the wicking operation with first splicing ear 340 then, second splicing ear 341 and the 3rd end 362 are welded in the welding hole of the 3rd sub-circuit board 33 in the lump, therefore the welding of earth terminal 36 only need be set up a welding sequence, promptly the 4th end 363 is welded in the operation of shield shell 4, so design not only makes earth terminal 36 can be positioned second carrier 34 quickly and easily, and saving welding sequence, convenient welding, and earth terminal 36 structures are very simple and practical, are beneficial to reduce cost.

See also Fig. 1 and 2, shield shell 4 comprises procapsid 40, back casing 41 and some from procapsid 40 and back casing 41 extended grounding legs 42, and described grounding leg 42 can be welded in female circuit board 5.Back casing 41 is provided with shell rear wall 410, and shell rear wall 410 is provided with the weld bond 411 with 363 welding of the 4th end, and certain the 4th end 363 also can be designed to electrically be connected to shell rear wall 410.In the present embodiment, described weld bond 411 is arranged at the lower limb of shell rear wall 410, and it is peripheral nonocclusive semicircle orifice, and weld bond 411 also can be U type hole etc. certainly, and certainly, weld bond 411 also can design other position at shield shell 4, and it is circular hole, square hole etc.

In the present embodiment, described first carrier 30 as one kind and second carrier 34 fit together, and both can one-body moldedly be one also certainly; In the present embodiment, described earth terminal 36 is installed on second carrier 34, and earth terminal 36 also can be one-body molded with second carrier 34 certainly; In the present embodiment, first welding hole 310, second welding hole 320 and the 3rd welding hole 330 are circular hole, certain described three also can be square hole etc., and when first welding hole 310, second welding hole 320 and the 3rd welding hole 330 are located at the side of affiliated circuit board, described three can be designed to peripheral nonocclusive hole, that is, described first welding hole 310, second welding hole 320 and the 3rd welding hole 330 can be U type hole, semicircle orifice or en hole etc.

In the present embodiment, described earth terminal 36 is integral types, approximate "+" shape that is in back is shakeout in its expansion, certainly earth terminal 36 also can be the strip with two ends after launching to shakeout, it is to utilize the bending distortion to form required structure, described two ends are respectively first end 360 and second end 361, the kink that described the 3rd end 362 is bent to form for earth terminal 36 to the 3rd sub-circuit board 33 protrusions, the 3rd end 362 can utilize electrical butt or be electrically connected at the 3rd sub-circuit board 33 by modes such as welding hole welding, the kink that the shell rear wall 410 to shield shell 4 that described the 4th end 363 is bent to form for earth terminal 36 protrudes, the 4th end 363 can utilize electrical butt or be electrically connected at shell rear wall 410 by modes such as welding hole welding; Certainly, earth terminal 36 also can be formed by a plurality of unit constructions of separately moulding, and earth terminal 36 still comprises first end 360 that is electrically connected at first sub-circuit board 31, be electrically connected at second end 361 of second sub-circuit board 32, be electrically connected at the 3rd end 362 of the 3rd sub-circuit board 33 and be electrically connected at the 4th end 363 of shield shell 4, first sub-circuit board 31, second sub-circuit board 32 and the 3rd sub-circuit board 33 are electrically connected to shield shell by earth terminal 36, for example earth terminal 36 also can be the two grounded partss composition of symmetry, all approximate " T " shape that is after each grounded parts launches to shakeout, described two grounded parts symmetries are installed on second carrier 34, wherein a grounded parts comprises first end 360, the 3rd end 362 and the 4th end 363, described three ends are vertical mutually in twos, another grounded parts comprises second end 361, the 3rd end 362 and the 4th end 363, described three ends are also vertical mutually in twos; Certainly earth terminal 36 also can be made up of asymmetrical two grounded partss, wherein a grounded parts launches to shakeout approximate " T " shape that is in back, it comprises first end 360, the 3rd end 362 and the 4th end 363, described three ends are vertical mutually in twos, another grounded parts comprises vertical second end 361 and the 3rd end 362 mutually, described two grounded parts location and installation are in second carrier 34, second sub-circuit board 32 is electrically connected to the 3rd sub-circuit board 33 by second end 361 and the 3rd end 362 earlier, and the 3rd end 362 and the 4th end 363 by another grounded parts is electrically connected to shield shell 4 then; Certainly earth terminal 36 also can be following asymmetrical two grounded partss composition, wherein a grounded parts launches to shakeout approximate " T " shape that is in back, it comprises first end 360, the 3rd end 362 and the 4th end 363, and another grounded parts comprises orthogonal second end 361 and the 4th end 363; Described earth terminal 36 also has other structure that easy full of beard reaches, and does not give unnecessary details one by one here.

For the utility model electric connector 1, described earth terminal 36 comprises first end 360 that is electrically connected at first sub-circuit board 31, be electrically connected at second end 361 of second sub-circuit board 32, be electrically connected at the 3rd end 362 of the 3rd sub-circuit board 33 and be electrically connected at the 4th end 363 of shield shell 4, described earth terminal 36 comprises four groups of earth terminals, every group of earth terminal can be optionally and more than one of quantity, first sub-circuit board 31, second sub-circuit board 32 and the 3rd sub-circuit board 33 threes are electrically connected to shield shell by earth terminal 36, earth terminal 36 is simple and practical, and cost is lower.

Claims

1. electric connector, it comprises insulating body, the shield shell of coated insulation body and be contained in the insertion module of insulating body, described insertion module comprises first sub-circuit board, second sub-circuit board that is oppositely arranged with first sub-circuit board, with first sub-circuit board and vertically disposed the 3rd sub-circuit board of second sub-circuit board and earth terminal, it is characterized in that: described earth terminal comprises first end that is electrically connected at first sub-circuit board, be electrically connected at second end of second sub-circuit board, be electrically connected at the 3rd end of the 3rd sub-circuit board and be electrically connected at the 4th end of shield shell, first, second and third sub-circuit board is electrically connected to shield shell by earth terminal.

2. electric connector as claimed in claim 1 is characterized in that: described first end is welded in first sub-circuit board, and described second end is welded in second sub-circuit board, and described the 3rd end is welded in the 3rd sub-circuit board.

3. electric connector as claimed in claim 2, it is characterized in that: described first sub-circuit board is provided with first welding hole with the welding of first end, described second sub-circuit board is provided with second welding hole with the welding of second end, and described the 3rd sub-circuit board is provided with the 3rd welding hole with the welding of the 3rd end.

4. electric connector as claimed in claim 1 is characterized in that: described earth terminal is an integral type.

5. electric connector as claimed in claim 1, it is characterized in that: described earth terminal also comprises base portion, first end extends to first sub-circuit board from base portion, second end extends to second sub-circuit board from base portion, the 3rd end extends to the 3rd sub-circuit board from base portion, and the 4th end extends to shield shell from base portion.

6. electric connector as claimed in claim 5 is characterized in that: described shield shell is provided with the weld bond with the welding of the 4th end.

7. electric connector as claimed in claim 1 is characterized in that: described insertion module also comprises carrier, and described carrier is contained in the receiving space that first, second and third sub-circuit board surrounds, and described earth terminal is located at carrier.

8. electric connector as claimed in claim 7 is characterized in that: described carrier is provided with some first splicing ears that first sub-circuit board is connected with the 3rd sub-circuit board and second splicing ear that second sub-circuit board is connected with the 3rd sub-circuit board.

9. electric connector as claimed in claim 8 is characterized in that: described carrier is provided with through hole, and described the 3rd end passes through hole and is electrically connected at the 3rd sub-circuit board.

10. electric connector as claimed in claim 9, it is characterized in that: described carrier comprises first carrier and is positioned at first carrier and second carrier, first sub-circuit board and second sub-circuit board are located at the relative both sides of first carrier, second carrier is between first carrier and the 3rd sub-circuit board, and described earth terminal, through hole and splicing ear are located at second carrier.