CN101800374B

CN101800374B - Electric connector and assembly thereof

Info

Publication number: CN101800374B
Application number: CN200910300359XA
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: 2009-02-07
Filing date: 2009-02-07
Publication date: 2012-11-28
Anticipated expiration: 2029-02-07
Also published as: CN101800374A

Abstract

The invention discloses an electric connector assembly at least comprising a first electric connector and a second electric connector which are butted with each other, wherein the first electric connector comprises a first body, a plurality of signal terminals and grounding terminals arranged in the first body, a shell covering the periphery of the first body and a plurality of cables; the second electric connector at least comprises a second body and a plurality of terminals arranged in the second body; the signal terminals of the first electric connector and the terminals of the second electric connector respectively comprise tails, and the cables at least comprise cores and masking layers; the tails of the signal terminals of the first electric connector are used for being in electric contact with the cables; the tails of the signal terminals of the second electric connector are used for being connected with a circuit board; the shell of the first electric connector comprises a side board; and the side board is provided with electric conduction pieces for electrically connecting the grounding terminals, the cables and the shell together. Therefore, the electric connector assembly not only can provide higher frequency but also has good grounding effect.

Description

Electric connector and assembly thereof

[technical field]

The present invention relates to a kind of electric connector and assembly thereof, refer to a kind of electric connector and assembly thereof that has high frequency on the electronic equipment that be 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 assembly thereof, and it has high frequency and transmission signals function concurrently.

For realizing above-mentioned purpose, the invention provides a kind of electric connector, comprise body at least, place insulating body inner some signal terminals and earth terminal, be overlying on the housing of body periphery; And the cable that places body exterior and electrically contact with signal terminal, wherein, housing comprises the side plate that surrounds body at least; Cable comprises core and shielding layer at least; The inwall of the side plate of said housing is stained with conductive layer, the shielding layer of earth terminal, cable, and housing is connected to each other by conductive layer.

For realizing above-mentioned purpose; The present invention further also provides a kind of electric coupler component; It comprises at least: first electric connector and second electric connector that dock each other; First electric connector comprises first body, places first intrinsic some signal terminals and earth terminal, is overlying on the peripheral housing of first body, and some cables, and second electric connector comprises second body at least and places the second intrinsic plurality of terminals; The signal terminal of first electric connector and second connector terminals include afterbody; Cable comprises core and shielding layer at least, and the afterbody of the signal terminal of first electric connector electrically contacts with the core of cable, and the afterbody of second connector terminals is used for linking to each other with circuit board; And the housing of first electric connector includes side plate, and side plate is provided with the electric-conductor that the shielding layer of earth terminal, cable and housing are electrically connected.

Compared with prior art; Electric connector of the present invention has the following advantages at least: because electric coupler component of the present invention adopts first electric connector of butt joint each other and the form of second electric connector, and an electric connector links to each other with circuit board, and another electric connector links to each other with some cables; Therefore; The transmission speed and the frequency of electric coupler component of the present invention are improved widely, and one of them electric connector housing inwall is provided with earth terminal, cable, and housing be connected to each other together conductive layer or electric-conductor; Therefore, the ground connection effect of electric coupler component of the present invention is also very good.

[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 three-dimensional exploded view of electric connector shown in Figure 1.

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

Fig. 5 is the cutaway view of electric connector shown in Figure 1 along the A-A line.

Fig. 6 is the assembling flow path figure of the present invention's first electric connector

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 6.

Fig. 9 is the three-dimensional exploded view of electric connector shown in Figure 8.

Figure 10 is the three-dimensional combination figure of electric coupler component of the present invention, and wherein, it is still not shown that the housing of first electric connector and cover are overlying on the outside shielding casing of this electric coupler component.

Figure 11 is the cutaway view of electric coupler component shown in Figure 10, and wherein, the housing of first electric connector and cover are overlying on the outside shielding casing of this electric coupler component and illustrate 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, and cover is overlying on its outside shielding casing C.

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, and the some cables 50 that contact with the first terminal 70.

Please especially referring to figs. 2 to shown in Figure 5; First body 30; 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 1/3rd position vertical extent and the body of wall 305 that laterally arranges with first side plate 303.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, 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; First substrate 301 is smooth tabular in first space 307; And be provided with some staggered conduits 3013 and groove 3011 in second space 309; 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, please especially with reference to figure 4 and 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 extends internally from its external margin; Second shank 7033 is thinner compared to other positions at the thickness of its terminal certain distance, so, forms the first contact site 7033A in this position.

Housing 10; Process by metal material; Integral body is the box like structure of an end opening, 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 109 that extends against each other from left plate 103 and right panel 105 1 ends, above-mentioned eaves portion 111 and bending part 109 can be counted as header board.Wherein, above-mentioned back plate 105 is provided with a pair of opening that is intervally installed 1051, in order to cooperate with first body, 30 corresponding a pair of juts 3031; Left side 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 105 of first body 30 on the auxiliary section 3051 that is provided with cooperate; In addition; Be provided with the

interference parts

1073,1033 of giving prominence to towards 307 inside, first space of first body 30 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 109 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 continue to extend forward from left plate 107 and right panel 103 ends respectively with left plate 107 and right panel 103 respectively; And after it was assembled in first body 30, just bending was to the position relative with back plate 105; Eaves portion 111; Be positioned under the kink 109; It is provided with the earth terminal storage tank 111B that the cable that supplies cable 50 to pass runs through groove 111A and supplies earth terminal to place, and above-mentioned cable runs through groove 111A and earth terminal storage tank 111B arrangement interlaced with each other.

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

Under request in person combine shown in Figure 6; When assembling the above-mentioned first electric connector A; 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 extends first body, 30 outsides from 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, again with bending part 109 bendings that are provided with on it to the position relative, at this moment with back plate 105; The back plate 105 of housing 10 is connected to first body, 30 side plates, 303 peripheries; Mate and combine the department of assembly 3051 of setting on the

square opening

1071,1031 that is provided with on jut 3031 couplings that are provided with on the perforate 1051 that is provided with on the housing 10 and first body 30, left plate 107 and 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; Please consult shown in Figure 2 especially; Can know that therefrom obviously greater than the size of first body 30, and the welding ends 701 of

earth terminal

70A, 70C, 70E has extended first body 30 to housing 10 in the size of cable 50 butt joint directions along the line; Therefore; After housing 10 was assembled on first body 30, the welding ends 701 of

earth terminal

70A, 70C, 70E had just ridden in the earth terminal storage tank 111B of housing 10 correspondences, and the cable that cable 50 has been placed on the housing 10 naturally runs through in the groove 111A; At last; Header board at housing 10 is pasted an electric-conductor 90, by this, the solder 701 of

earth terminal

70A, 70C, 70E and the shielded area 503 of cable 50 is linked together; So; By electric-conductor 90, housing 10,

earth terminal

70A, 70C, 70E, and the shielded area 503 of cable 50 is connected to each other together.

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 inserts into; Above-mentioned protuberance 4073 slides at first and second shanks, 7031,7033 outer surfaces of the first terminal 70 with contact site 4071; Until the protuberance 4073 and the mutual butt of the first terminal 70 corresponding first contact site 7033A of second terminal 40, the contact site 4071 of second terminal 40 gets in the depressed part 7031A of the first terminal 70, so far; The first electric connector A and the second electric connector B accomplish assembling; At last, please be special with reference to shown in Figure 11, a shielding casing C is buckled in above-mentioned electric coupler component most external; Play shielding action, prevent that extraneous signal from disturbing the signal transmission of electric coupler component of the present invention.So, the assembling of whole electric coupler component is accomplished.

For electric coupler component of the present invention, it adopts the mode of Board-to-Board Electrical Connector, wherein; An electric connector links to each other with circuit board, and another 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 housing 10 inwalls of the first electric connector A are pasted with electric-conductor 90, and this electric-conductor 90 is with

earth terminal

70A, 70C, 70E, cable 50; And housing 10 links together, thereby played good ground connection effect, preferably; Above-mentioned electric-conductor 90 can the very thin tin layer of one deck, also or other any conductive thin layers, even can be to be coated with one deck conductive paint; So, it can not take too big space, and satisfies mobile phone miniaturization and slimming development trend.

After the first electric connector A and second electric connector B assembling completion; In its most external; Also cover is covered with a shielding casing C; Its end face and flanked with whole electric connector is got up, thereby has formed protective layer one, and 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 that is used for transmitting high-frequency signal, comprise body at least, place body interior some signal terminals and earth terminal, be overlying on the housing of body periphery, and the cable that places body exterior and electrically contact with signal terminal; Wherein, Housing comprises the side plate that surrounds body at least, and housing also is provided with cable and runs through groove, and cable passes cable to be run through groove and comprise core and shielding layer at least; It is characterized in that: first side plate that said body comprises first substrate, extends vertically upward from an end margin of first substrate; And the body of wall that extends vertically upward from the first substrate center certain position, above-mentioned body of wall is divided into first space and second space with body, wherein; Between the body of wall and first side plate is first space, place the body of wall opposite side and adjacent with above-mentioned first space be second space; First substrate of said body is provided with some conduits and groove in second space, and earth terminal and signal terminal part respectively are placed in this conduit and the groove; Said groove runs through first substrate of body; The inwall of the side plate of said housing is stained with conductive layer, and the shielding layer and the housing of earth terminal, cable are connected to each other by conductive layer.

2. electric connector as claimed in claim 1 is characterized in that: said conductive layer is conductive paint or tinfoil paper.

3. electric connector as claimed in claim 2 is characterized in that: said signal terminal and earth terminal are staggered.

4. electric connector as claimed in claim 3; It is characterized in that: the welding ends that each in said signal terminal and the earth terminal includes the U-shaped contact site that formed by two shanks and flatly extends towards another shank from the lower limb of a shank of U-shaped contact site; Wherein, The welding ends of signal terminal is placed in the said groove fully, and the welding ends of earth terminal extends body from above-mentioned conduit.

5. electric coupler component that is used for transmitting high-frequency signal; At least first electric connector and second electric connector that comprise mutual butt joint; First electric connector comprises first body, places first intrinsic some signal terminals and earth terminal, is overlying on the peripheral housing of first body, and some cables, and second electric connector comprises second body at least and places the second intrinsic plurality of terminals; Cable comprises core and shielding layer at least; The signal terminal of first electric connector and second connector terminals include afterbody, and the afterbody of the signal terminal of first electric connector electrically contacts with the core of cable, and the afterbody of second connector terminals is used for linking to each other with circuit board; It is characterized in that: first side plate that said first body comprises first substrate, extends vertically upward from an end margin of first substrate; And the body of wall that extends vertically upward from the first substrate center certain position, above-mentioned body of wall is divided into first space and second space with body, wherein; Between the body of wall and first side plate is first space, place the body of wall opposite side and adjacent with above-mentioned first space be second space; First substrate of said first body is provided with some conduits and groove in second space, and earth terminal and signal terminal part respectively are placed in this conduit and the groove; Said groove runs through first substrate of body; The housing of first electric connector includes side plate, and housing also is provided with cable and runs through groove, and cable passes cable and runs through groove, and side plate is provided with the electric-conductor that the shielding layer of earth terminal, cable and housing are electrically connected.

6. electric coupler component as claimed in claim 5 is characterized in that: said electric-conductor is tin layer or conductive paint.

7. electric coupler component as claimed in claim 6 is characterized in that: said electric coupler component most external cover is covered with the shielding casing that surrounds its top and sidepiece.