CN101826683B

CN101826683B - Electrical connector

Info

Publication number: CN101826683B
Application number: CN2009103006579A
Authority: CN
Inventors: 吴俊宽
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: 2009-03-03
Filing date: 2009-03-03
Publication date: 2012-07-18
Anticipated expiration: 2029-03-03
Also published as: CN101826683A

Abstract

The invention discloses an electrical connector which at least comprises a first body, a plurality of signal terminals, a plurality of grounding terminals, a shell and cables, wherein the signal terminals and the grounding terminals are arranged in the first body; the shell covers at the periphery of the first body; the cables are in electrical contact with the signal terminals and extend out of the outer part of the first body; each cable at least comprises a body area, a cable core and a shielding layer; the cable cores are used for being in contact with the signal terminals; and furthermore, the electrical connector also comprises a metal element which is in contact with the shielding layer of the cable, the grounding terminals and the shell, thus the electrical connector has favorable grounding effect and simple and compact structure.

Description

Electric connector

[technical field]

The present invention relates to a kind of electric connector, refer to a kind of electric connector that has high frequency on the electronic equipment that is used in especially.

[background technology]

Along with development in science and technology, handheld devices such as electronic product, especially mobile phone, its function from strength to strength, after especially being accompanied by the satellite navigation function and progressively being applied on the mobile phone, mobile phone is also increasingly high to the requirement of transmission frequency.

The people in the industry all knows, for clamshell phone, at rotating shaft position a mini-coax electric connector is installed all generally; In order to transmission signal, this electric connector generally comprises the insulating body of elongate structure, is immobilizated in the interior complex conduction terminal of insulating body; And the metal shell that places the insulating body periphery, wherein, conducting terminal one end is connected with plural cable; And the other end links to each other with the butt joint electric connector, thereby is installed on the circuit board, yet; This kind electric connector is because the characteristics of self structure, and it only can be used for the lower signal of transmission frequency, and can not transmitting high-frequency signals; And being accompanied by the further requirement of consumer for cell-phone function, carry high frequency has become a kind of trend.

In fact, mobile phone inside also is equipped with a kind of detection connector, and it comprises: insulating body, place the pair of switches terminal of insulating body inside, and the metal shell that places the insulating body outside and insulating body is coated fully.Though this kind electric connector can adapt to high frequency environment,, it can only be suitable in high-frequency detection, and after detecting completion, it no longer has any function.

Therefore, design the direction that a kind of electric connector that can transmitting high-frequency signals satisfies mobile phone development trend again becomes industry research.

[summary of the invention]

Technical problem to be solved by this invention provides a kind of electric connector, and it has high frequency and transmission signals function concurrently.

For realizing above-mentioned purpose, the invention provides a kind of electric connector, comprise first body at least, place first body interior some signal terminals and earth terminal, be overlying on the housing of the first body periphery; And electrically contact and extend the cable of first body exterior with signal terminal; Wherein, cable comprises body, core at least, and shielding layer; Core is used for contacting with signal terminal; Further, this electric connector also comprises shielding layer, the earth terminal with cable, and the metalwork of housing contact.

Compared with prior art, electric connector of the present invention has the following advantages at least: because electric connector of the present invention further comprises and earth terminal, cable; And the continuous metalwork of housing; Therefore, electric connector ground connection of the present invention is respond well, and overall structure is simple, compact.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of the present invention's first electric connector.

Fig. 2 is the vertical view of electric connector shown in Figure 1.

Fig. 3 is the side diagrammatic sketch of electric connector shown in Figure 2.

Fig. 4 is the three-dimensional exploded view of electric connector shown in Figure 1.

Fig. 5 is the three-dimensional exploded view of another angle of electric connector shown in Figure 1.

Fig. 6 is the cutaway view at electric connector shown in Figure 1 cable along the line place.

Fig. 7 is the three-dimensional combination figure of the present invention's second electric connector.

Fig. 8 is the vertical view of electric connector shown in Figure 7.

Fig. 9 is the three-dimensional exploded view of electric connector shown in Figure 7.

Figure 10 is the three-dimensional combination figure after the present invention's first electric connector and the assembling of second electric connector, and wherein, housing is still not shown.

Figure 11 is the cutaway view of electric connector shown in Figure 10, and wherein, housing illustrates in the lump.

[embodiment]

Specify the embodiment of electric coupler component of the present invention below in conjunction with accompanying drawing.

Please refer to Figure 10 to shown in Figure 11, electric coupler component of the present invention comprises first electric connector and the A second electric connector B of butt joint each other.

The first electric connector A comprises first body 30, be shaped in the first terminal 70 in first body 30, cover and be surrounded on the housing 10 of first body, 30 peripheries, the some cables 50 that contact with the first terminal 70; And with the first terminal 70, housing 10, and the metalwork 90 that all keeps in touch of cable 50.

First body 30; Please especially with reference to figure 4 and shown in Figure 5; Process by plastic material; Comprise first substrate 301, from first substrate, 301 1 lateral margins vertically upward or to first side plate 303 that extends below, and from first substrate 301 apart from first side plate 303 roughly 2/3rds position vertical extent and the body of wall 305 that laterally arranges with first side plate 303, and this body of wall 305 and first side plate 303 are positioned at the same side of first substrate 301.Be formed with first space 307 of both ends open between the above-mentioned body of wall 305 and first side plate 303, second space 309 arranged and body of wall 305 opposite sides are adjacent with above-mentioned first space 307.The lateral wall of first side plate 303 is equipped with a pair of jut 3031 (shown in Figure 5), in order to cooperate with housing 10 that cover is overlying on first body, 30 peripheries; Two ends of above-mentioned body of wall 305 are equipped with the department of assembly 3051 of and rectangular shape outstanding towards the outside; Similar with the jut 3031 on first side plate 303; In order to cooperate with housing 10 that cover is overlying on first body, 30 peripheries; In addition, body of wall 305 top surface be smooth shape, and two sides relative with it are formed with the first terminal groove 3053 of ccontaining the first terminal 70 jointly; On first substrate 301, (in this execution mode, alternately arrange and refer to: 3013 grooves 3011 of a conduit so repeat towards be provided with some conduits of alternately arranging 3013 and groove 3011 away from first side plate, 303 directions from an end of body of wall 305.That is to say; The both sides of each conduit 3013 are arranged groove 3011 respectively; In like manner, each groove 3011 both sides is arranged conduit 3013 respectively, and can two grooves 3011 or two conduit 3013 adjacent arrangements); Above-mentioned conduit 3013 and groove 3011 all from body of wall 305 lower limbs extend to first body, 301 respective end and with 3053 smooth connections of the first terminal groove; Different is, conduit 3013 is from the rectangular channel of first substrate 301 to lower recess, and groove 3011 runs through first substrate 301.

The first terminal 70 is processed through punch forming by metal material, in this execution mode; It is made up of three

earth terminal

70A, 70C, 70E and two

signal terminal

70B, 70D; On arranging, above-mentioned

signal terminal

70B, 70D and

earth terminal

70A, 70C, 70E are intervally installed, still; Structurally; The two not too big difference, convenient for the purpose of, we are that its concrete structure is described in representative with earth terminal 70A: the first terminal comprise the welding ends 701 that is connected with cable 50 and from welding ends 701 1 ends upwards perhaps to extending below and width is slightly larger than the U-shaped contact site 703 of welding ends 701.Wherein, U-shaped contact site 703 comprises first and

second shanks

7031,7033 positioned opposite to each other, and what link to each other with welding ends 701 is first shank 7031; And another is second shank 7033, further, and please be special with reference to shown in Figure 5; The outer surface of first shank 7031 is provided with the depressed part 7031A that caves inward; And this depressed part 7031A is provided with the guide surface (not indicating) that slopes inwardly and extend, please be special with reference to shown in Figure 4, and second shank 7033 is thinner compared to other positions at the thickness of its terminal certain distance; So, form the first contact site 7033A in this position.Different is: the welding ends 701 of

earth terminal

70A, 70C, 70E is longer compared to the welding ends 701 of

signal terminal

70B, 70D.

Housing 10; Process by metal material; Integral body is the open box like structure of an end, comprises roof 101, from the left and right edges and the vertically extending left plate 107 of back edge of roof 101, right panel 103 and back plate 105; And from the eaves portion 111 of a bit of distance of roof 101 leading edge vertical extent and the bending part 1051 that extends against each other from left plate 103 and right panel 103 1 ends respectively; And this bending part 109 and back plate 105 range upon range of settings specifically, are exactly above-mentioned bending part 1051 plate 105 rears after an end bending extremely of left plate 107 or right panel 103; Wherein, Above-mentioned left plate 107 and right panel 103 be respectively equipped with

square opening

1071,1031 respect to one another in order to the body of wall 305 of first body 30 on the auxiliary section 3051 that is provided with cooperate; In addition; Be provided with the

interference part

1073,1033 outstanding towards first body, 30 inner spaces in the adjacent position of each above-mentioned

square opening

1071,1031, in this execution mode, above-mentioned

interference portion

1073,1033 is a hemispherical projections in fact; The above-mentioned bending part 1051 that extends to form from left plate 107 and right panel 103 1 sides is before housing 10 is assembled in first body 30; It is integrally formed and be positioned at same plane with left plate 107 and right panel 103 respectively; And after it was assembled in first body 30, just bending was to plate 105 rear positions, back; Eaves portion 111, from roof 101 terminal vertical extent, it is provided with the cable that supplies cable 50 to pass and runs through groove 111A.

Cable 50, the same with traditional cable, comprise body layer 501, shielding layer 503, insulating barrier 505 successively, and core 507, and above-mentioned each regional cross section reduces gradually.

Metalwork 90 please especially with reference to figure 4 and shown in Figure 5, and combines Fig. 2 and Fig. 3; Its overall U-shaped structure; Comprise a pair of board 901 that is oppositely arranged and 903 and be connected the connecting portion 905 of above-mentioned board 901,903, wherein, the end of a side that links to each other with connecting portion 905 on board 903 is respectively arranged with to the outstanding ear 9033 in outside; Corresponding therewith, housing 10 relevant positions are provided with the

slit

1035 and 1075 of ccontaining above-mentioned ear 9033; In addition, a pair of

board

901 and 903 and connecting portion 905 relative sides be provided with

tooth shape recess

9011 and 9031 to lower recess, this tooth shape recess 9011 and 9031 and the cable of housing 10 run through the common further fixing cable 50 of groove 111A; At last, please consult shown in Figure 5ly especially, therefrom learn; The a pair of board 901 of

metalwork

90 and 903 width dimensions are greater than the width dimensions of connecting portion 905; So, perhaps form an opening (indicating), this opening part certainly between the right panel 103 at the connecting portion 905 of metalwork 90 and the left plate 107 of housing 10; Can an amount of colloid of drop, in order to further fixing cable 50.

When assembling the above-mentioned first electric connector A; Please combine shown in Figure 6; At first the first terminal 70 is shaped in first body 30, at this moment, the U-shaped contact site 703 of the first terminal 70 is across body of wall 305 both sides of first body 30; The welding ends 701 of

signal terminal

70B and 70D is placed in the groove 3011 of first substrate 301, and the welding ends 701 of

earth terminal

70A, 70C, 70E places in the conduit 3013 of first substrate 301; Then, the core 507 of cable 50 is positioned over from first substrate, 301 bottom surfaces in the corresponding groove 3011 and with the mode of welding and the welding endss 701 of

signal terminal

70B and 70D links together; Follow again; Housing 10 is coated on first body, 30 peripheries; With plate 105 rears after bending part 1051 bendings that are provided with on it extremely, at this moment, the back plate 105 of housing 10 is connected to first body, 30 side plates, 303 peripheries again; Corresponding structure coupling on jut 3031 that is provided with on first body 30 and the housing 10; Mate and combine the department of assembly 3051 of setting on the

square opening

1071,1031 that is provided with on a left side plate 107 and the right panel 103 and the body of wall 305 of first body 30, then is exposed in first space 307 of first body 30 with the

interference part

1073,1033 of above-mentioned

square opening

1071,1031 adjacent settings, is used for mating with the second electric connector corresponding structure; Follow again; Metalwork 90 from top to down are installed in second space 309 of first body 30; And make the ear 9033 that is provided with on it be placed in the housing 10

corresponding slits

1035,1075, at this moment, the tooth shape recess 9011 and 9031 of board 901 and the setting of 903 bottoms just in time faces toward cable 50; Thereby, further cable 50 is grasped; Please consult shown in Figure 2 especially; At this moment; The a pair of

board

901 and 903 of metalwork 90, connecting portion 905, and the left plate of housing 1 107 formed a space W jointly with right panel 103, last; The opening part an amount of colloid of drop in above-mentioned space W that between the

left plate

107 and 103 of connecting portion 905 and housing 10, forms is with this further fixing cable 50.

Next, please refer to shown in Figure 7ly, the second electric connector B that docks with the first electric connector A comprises second body 20, be placed in the second inner terminal 40 of second body 20, and the reinforcement 60 that places second body, 20 ends.

Second body 20; Please combine Fig. 8 and shown in Figure 9, similar with first body 30, process by insulating material; Comprise antetheca 203 respect to one another and rear wall 201, be formed with between this antetheca 203 and the rear wall 201 and run through the butt joint resettlement section 200 of limit, the left and right sides in order to dock with the first electric connector A.Wherein, The inwall of antetheca 203 and rear wall 201 is provided with some second terminal grooves 209 that are connected with butt joint resettlement section 200; Like this, after the first electric connector A and the second electric connector B fitted together, the first terminal 70 electrically contacted in this butt joint resettlement section 200 with second terminal 40 each other; In addition; Outer surface middle position at rear wall 201 is provided with the peristome 2011 towards sunken inside, and is depressed with otch 2013 downwards at the end face of rear wall 201, and this otch 2013 is not through to rear wall 201 bottom surfaces as yet but communicates with 2011 ones of above-mentioned openings; Like this; In the time of in reinforcement 60 is assembled in this second body 20, can be placed in this otch 2013, and extend second body, 20 outsides by peristome 2011.

Please continue with reference to figure 8 and shown in Figure 9, and combine Figure 11, second terminal 40; Similar with the first terminal 70; Process by metal material, comprise solder 401, holding parts 403, elastic portion 407 successively, and place the horizontal part 405 between holding parts 403 and the elastic portion 407.Wherein, said solder 401 horizontal-extendings, and extend the outside from second body, 20 bottoms, in order to electrically connect with circuit board (not shown); Holding parts 403 welds afterbody 401 1 ends certainly and extends vertically upward, and it is provided with some hangnails (indicate), so as to, fixing second terminal 40 is in second terminal groove 209 of second body 20; Horizontal part 405, from holding parts 403 terminal top edges towards second terminal groove, 209 horizontal-extendings and tilt towards the below slightly; Elastic portion 407; Extend also finally formation U-shaped structure towards holding parts 403 smooth curved slightly from above-mentioned horizontal part 405, so, at protuberance 4073 of giving prominence to towards above-mentioned U-shaped inside configuration of intersection formation of elastic portion 407 and horizontal part 405; When the first terminal 70 inserts; Above-mentioned protuberance 4073 electrically contacts with the appropriate section of the first terminal 70, in addition, and at the least significant end of above-mentioned U-shaped structure; Further be provided with crookedly and form inverted U-shaped contact site 4071 towards the U-shaped inside configuration, and this contact site 4071 is oppositely arranged with above-mentioned protuberance 4073.

Reinforcement 60 is processed by metal material, comprise the Embedded Division 601 that is placed in above-mentioned second body, 20 otch and certainly these Embedded Division 601 lower limb central bend be the installation portion 603 rectangular with above-mentioned Embedded Division 601.

When assembling the above-mentioned second electric connector B; At first each second terminal 40 is assembled in second body 20, wherein, solder 401 is extended space outerpace from second body, 20 lower limbs; Holding parts 403 is placed in second terminal groove, 209 relevant positions; And be immobilizated in wherein by hangnail, corresponding protuberance 4073 and contact site 4071 then are exposed to butt joint 200 inside, resettlement section on the elastic portion 407, in order to reach electrical the contact with the first terminal 70; Follow reinforcement 60 in the top is inserted into corresponding otch 2013; Wherein, The Embedded Division 601 of reinforcement 60 is placed in the otch 2013, and installation portion 603 then extends to space outerpace from above-mentioned peristome 2011 lower limbs, in order to be connected to circuit board jointly with second terminal 40.

Below; Please consult 10 especially with shown in Figure 11; When the first electric connector A docks with the second connector B; Back-off gets off the first electric connector A from the top, and the body of wall 305 of its first body 30 and the first terminal 70 on body of wall 305 are placed in the butt joint resettlement section 200 of second body 20, and first side plate 303 of first body 30 then is connected to the outer surface of second body, 20 rear walls 201.Be connected in the process of the second electric connector B at the first electric connector A; Because the protuberance of second terminal 40 4073 and be exposed to its contact site that is oppositely arranged 4071 docks in the resettlement section 200; Therefore, when the first electric connector A inserted into, above-mentioned protuberance 4073 slided at first and second shanks, 7031,7033 outer surfaces of the first terminal 70 with contact site 4071; Protuberance 4073 and the mutual butt of the first terminal 70 corresponding first contact site 7033A until second terminal 40; The contact site 4071 of second terminal 40 gets in the depressed part 7031A of the first terminal 70, and so far, the first electric connector A and the second electric connector B accomplish assembling.

For electric coupler component of the present invention, it adopts the mode of Board-to-Board Electrical Connector, wherein; Second electric connector links to each other with circuit board, and first electric connector links to each other with some cables 50 by the some signal terminals that are provided with on it, thereby; Can only the peg graft electric connector of a cable of feasible script can be pegged graft two now simultaneously, even more cable; So, along with increasing of terminal and number of cables, its transmission speed and frequency also are improved; Also therefore, can satisfy the needs of high frequency, for example; When certain mobile phone need be used as satellite navigation, the mobile phone that electric coupler component of the present invention is installed just can satisfy its frequency and then the satellite navigation service is provided.

In addition, in this execution mode, though only demonstrated two cables, electric coupler component of the present invention can increase to many cables to satisfy the demands according to client's demand.

In sum, on the one hand, in this execution mode, because the first terminal 70 is provided with depressed part 7031A; Second terminal 40 is provided with corresponding contact site 4071, therefore, in the first terminal 70 is inserted into second terminal 40 after, if it is extracted; Contact site 4071 is pulled out in depressed part 7031A, thereby, withdrawal force increased, in addition; Further also be provided with the first contact site 7033A relative on the first terminal 70, and this first contact site 7033A forms from corresponding second shank, 7033 outer surfaces depression, therefore with above-mentioned depressed part 7031A; After the first terminal 70 and second terminal, 40 windings completion, it is extracted, also need certain withdrawal force; Therefore, this structure has increased the first electric connector A and the second electric connector B contact engaging and separating force in the butt joint direction, makes the more firm of the two cooperation.

On the other hand because the metalwork 90 of the first electric connector A is placed in its inside, and with the shielding layer 503 of

earth terminal

70A, 70C, 70E, cable 50; And housing 10 contacts; Therefore, the present invention's first electric connector has good ground connection effect, and simple in structure, compact.In addition, because above-mentioned metalwork 90 has the tooth shape recess 9011,9013 of further clamping cable 50, and in the space that metalwork 90 and housing 10 form, drop has colloid, and therefore, cable 50 is by further fixing.

After the first electric connector A and second electric connector B assembling completion; Housing 10 gets up the end face and the flanked of whole electric connector; Thereby formed protective layer one, transmission causes interference to the signal of electric coupler component of the present invention to prevent to be installed on other electronic device on the circuit board.

At last; Please can find out that therefrom the solder 401 of second terminal 40 is extended from antetheca 203 lower horizontal of second body 20 especially with reference to shown in Figure 11; And the installation portion 603 of reinforcement 60 is extended from rear wall 201 lower horizontal of second body 20; Like this, can guarantee that electric coupler component of the present invention is installed on the stability on the circuit board, and can run-off the straight.

The above is merely one embodiment of the present invention; It or not whole or unique execution mode; The variation of any equivalence that those of ordinary skills take technical scheme of the present invention through reading specification of the present invention is claim of the present invention and contains.

Claims

1. electric connector, comprise body at least, place body interior some signal terminals and earth terminal, be overlying on the housing of body periphery, and electrically contact and extend the cable of body exterior with signal terminal; Wherein, Cable comprises body layer, core at least, and shielding layer, and core is used for contacting with signal terminal; It is characterized in that: said electric connector further comprises shielding layer, the earth terminal with cable, and the metalwork of housing contact.

2. electric connector as claimed in claim 1 is characterized in that: said metalwork vertically is installed in the space of housing and body formation from top to bottom.

3. electric connector as claimed in claim 1 is characterized in that: said metalwork comprises a pair of relative and board that laterally arranges and the connecting portion that connects above-mentioned a pair of board.

4. electric connector as claimed in claim 3 is characterized in that: the connecting portion width dimensions of said metalwork is less than the width dimensions of board.

5. electric connector as claimed in claim 4 is characterized in that: be formed with opening between the connecting portion end of said metalwork and the housing.

6. electric connector as claimed in claim 3 is characterized in that: a pair of board of said metalwork, the both ends of at least one board are provided with outwards outstanding ear, and housing correspondingly is provided with slit.

7. electric connector as claimed in claim 1 is characterized in that: the said metalwork structure that takes the shape of the letter U, and form a cavity between the metalwork of this U-shaped and the housing, drop has colloid in this cavity.

8. electric connector as claimed in claim 1; It is characterized in that: said body is processed by insulating material; And comprise substrate, from the vertically extending side plate of substrate one end; And the body of wall that is positioned at substrate the same side and laterally arranges with above-mentioned side plate, housing comprises the roof that coats body, left plate, right panel at least, and the back plate.

9. electric connector as claimed in claim 8 is characterized in that: said each signal terminal and earth terminal comprise U-shaped portion and the welding ends that links to each other with U-shaped portion at least, and wherein, U-shaped portion is on the body of wall of body, and welding ends is immobilizated in this structure base board.

10. electric connector as claimed in claim 8 is characterized in that: the left plate and the right panel of said housing comprise the interference part in the space that is exposed to housing and body formation at least.