CN1819344A

CN1819344A - Electric connector assembly

Info

Publication number: CN1819344A
Application number: CNA2005101033018A
Authority: CN
Inventors: 刘曜轩
Original assignee: HONGYUAN TECHNOLOGY Inc
Current assignee: HONGYUAN TECHNOLOGY Inc
Priority date: 2005-02-10
Filing date: 2005-09-16
Publication date: 2006-08-16

Abstract

A terminal module for an electrical connector includes a unitary metal frame having a plurality of terminal grooves, a plurality of insulative liners lining the respective terminal grooves, and a plurality of terminals respectively provided within the insulative liners. Preferably, an insulative body which includes the insulative liners is molded over the metal frame. In a preferred embodiment, the metal frame further includes a plurality of grounding elements which are exposed from the insulative body to interpose the terminals.

Description

Electric coupler component

Technical field

The present invention relates to a kind of electric coupler component, particularly relate to and a kind ofly can promote message transmission rate and transfer of data reliability and reach good electrical magnetic wave interference shielding effect to reduce the electric coupler component of crosstalk effect effectively.

Background technology

Signal transmssion line and electric coupler component are used on computers, for example are used for an external device and are connected with a computer.Computer uses various devices, makes it transmit data under two-forty and high-reliability.As United States Patent (USP) the 6th, 336, No. 827 " equalize instructing signal line and electrical connector element " promptly is the example of this device.

As shown in Figure 1 and Figure 2, equalize instructing signal line and electrical connector element 1 in this case, the bare wire 121 of the metal wire 120 of holding wire 12 is connected to the signal contact 111 and ground contact 112 of an electric connector 11, and this electric connector 11 is electrically connected with this holding wire 12 via this printed circuit board (PCB) 13.Metal shell 14 mounting covers are combined on the printed circuit board (PCB) 13, and said elements all is connected with this printed circuit board (PCB) 13.In addition, holding wire and electrical connector element 1 also comprise an insulation shell 15 that is plugged in metal shell 14 front ends.

Because holding wire 12 and signal contact 111, the ground contact 112 much middle switchings of a printed circuit board (PCB) 13, holding wire 12 and signal contact 111, ground contact 112 are connected to each other indirectly, thereby having reduced the speed of transfer of data, this is a shortcoming of said apparatus.In addition, because data must be via the conduction of an outer member (as printed circuit board (PCB) 13), data will increase the possibility of distortion, and therefore, the whole reliability of transfer of data can reduce.

On the other hand, the bare wire 121 of metal wire 120 is arranged between the printed circuit board (PCB) 13 apart from one another by turning up the soil, and is not provided with electromagnetic shielding, therefore, can be between the bare wire 121 owing to electromagnetic interference produce cross-talk (crosstalk) and noise problem, the result can cause the quality of transfer of data to reduce.

Fig. 3 is a view of watching along an X-Z plane, and this view is approximately perpendicular to the axis direction of holding wire 12.Though signal contact 111 along directions X and with ground contact 112 apart from one another by the setting of turning up the soil, but, the space between ground contact 112 and the metal shell 14 do not isolate fully between signal contact 111 and the ground contact 112 because making, when transmitting signal, 111 of adjacent signals contacts, therefore can produce the cross-talk phenomenon owing to lacked the electromagnetic wave isolation.

Summary of the invention

The object of the present invention is to provide a kind of electric coupler component with terminal module of improved for the effective electromagnetic wave shielding of generation between conducting terminal.

Another object of the present invention is to provide a kind of electric coupler component that improves the reliability of transfer of data.

A further object of the present invention is to provide a kind of shielding electromagnetic wave effectively to disturb to promote the electric coupler component of data transmission quality.

Electric coupler component of the present invention comprises: a signal transmssion line, an electric connector and a metal shell that is arranged on outside this electric connector that is electrically connected on this signal transmssion line.This electric connector comprises a terminal module and a metallic shield that is arranged on outside this terminal module, this terminal module has a metal pedestal, an insulating body and an a plurality of conducting terminal that is arranged in this insulating body that is formed on outside this metal pedestal, this metal pedestal comprises that a plurality of terminal grooves and a plurality of and described terminal groove extend and expose earth element outside this insulating body in fact in the same direction, this insulating body comprises a plurality of insulating barriers that are coated on described terminal groove respectively, and described conducting terminal is separately positioned in the described insulating barrier.

This metal pedestal comprises one first one and one second one, and each terminal groove extends to this second one by this first one, and each conducting terminal comprises the weld part and the contact site that extends in this second one that extend in this first one.Described earth element be arranged on by a plurality of insertions first ground dummy board between the weld part of described conducting terminal, and the ground contact that is arranged between the contact site of described conducting terminal of a plurality of insertions constitute.This metallic shield is coated on first one of this metal pedestal, and this metallic shield has a plurality of second ground dummy boards that extend towards described first ground dummy board respectively, described second ground dummy board respectively with described overlapping connection of first ground dummy board.Each first ground dummy board has a longitudinal fluting, and vertical rib that is formed on this longitudinal fluting, and each second ground dummy board has a vertical rib in the longitudinal fluting that is installed in corresponding this first ground dummy board.

Electric coupler component of the present invention, the two matches by described first ground dummy board and described second ground dummy board, the electromagnetic wave that is produced between next effective screening conductive terminal, in addition, the coating of this metal shell can be avoided the interference of external electromagnetic waves, promotes data transmission quality.On the other hand, be electrically connected between this metal pedestal and this signal transmssion line, except the speed that the setting that can avoid because of printed circuit board (PCB) delays to transmit, also can improve the reliability of data transfer procedure by described conducting terminal.

Description of drawings

The present invention is described in detail below in conjunction with drawings and Examples:

Fig. 1 is a stereogram of general holding wire and electrical connector element.

Fig. 2 is the profile of this holding wire of Fig. 1 and electrical connector element.

Fig. 3 is the signal contact of Fig. 1 electrical connector element and the end view of ground contact.

Fig. 4 is a stereogram of first preferred embodiment of electric coupler component of the present invention.

Fig. 5 is a three-dimensional exploded view of this preferred embodiment.

Fig. 6 is a side cutaway view of this preferred embodiment.

Fig. 7 is the stereogram of a metal pedestal of this preferred embodiment.

Fig. 8 is the stereogram of a terminal module of this preferred embodiment.

Fig. 9 is the interspersed stereogram that is arranged in the terminal module of the conducting terminal of this preferred embodiment.

Figure 10 is the profile of Fig. 9 along the 10-10 line.

Figure 11 is a profile that is similar to Figure 10, illustrates to be provided with a plurality of conducting terminals, a plurality of holding wire, and metallic shield in the terminal module.

Figure 12 is the profile of the execution mode of another terminal module.

Figure 13 is a view that is similar to Fig. 9, and the state behind the terminal module Rotate 180 degree is described.

Figure 14 is the profile of Figure 13 along the 14-14 line.

Figure 15 is the profile of the execution mode of another terminal module insulating barrier.

Figure 16 is the stereogram of a metal pedestal of second preferred embodiment of electric coupler component of the present invention.

Figure 17 is the stereogram of the terminal module of Figure 16.

Figure 18 is the front view of the terminal module of Figure 16.

Figure 19 is a view that is similar to Figure 17, illustrates that the conducting terminal insertion is arranged in the terminal module.

Figure 20 is the stereogram of a metal pedestal of the 3rd preferred embodiment of electric coupler component of the present invention.

Figure 21 is the stereogram of the terminal module of Figure 20.

Figure 22 is the front view of the terminal module of Figure 21.

Figure 23 is a view that is similar to Figure 21, illustrates that the conducting terminal insertion is arranged in the terminal module.

Embodiment

About aforementioned and other technology contents, characteristics and effect of the present invention, in the detailed description of three preferred embodiments of following cooperation referenced in schematic, can clearly be understood.

As Fig. 4, Fig. 5 and shown in Figure 6, the preferred embodiment of electric coupler component 200 of the present invention comprises a signal transmssion line 2 and an electric connector 3 that is electrically connected on signal transmssion line 2.

Signal transmssion line 2 comprise a plurality of holding wires 211,211 ', and a plurality of earth connections 212.Holding wire 211,211 ' and earth connection 212 be gathered into one group in the mode of three-in-one bunchy, for example each group by a holding wire 211, holding wire 211 ' and an earth connection 212 constituted, and each group is by an insulating sleeve 22 parcel bunchys.Holding wire 211,211 ' and the left end of earth connection 212 expose outside insulating sleeve 22, insulating sleeve 22 is to be made by the insulation material of class such as plastics.

Signal transmssion line 2 also comprises a sleeve 23, this sleeve 23 coat the holding wire 211,211 of every composition bundle ', earth connection 212 and insulating sleeve 22 be by holding wire 211,211 ' extend to the predetermined length of signal transmssion line 2 other ends with the exposed end of earth connection 212.Signal transmssion line 2 also comprises a conjunction 25 that is configured on the insulating sleeve 22, makes insulating sleeve 22 and conjunction 25 roughly be straight line ground and is positioned at same direction.

But a pair of load bearing seat 24 corresponding clips are combined in the end that signal transmssion line 2 contiguous sleeves 23 are positioned at conjunction 25.Be formed with a plurality of bearing grooves 241 on each load bearing seat 24, each insulating sleeve 22 is arranged in the corresponding bearing groove 241.

As Fig. 7, Fig. 8, Fig. 9 and shown in Figure 10, and cooperate Fig. 4, Fig. 5 and Fig. 6, electric connector 3 to comprise a terminal module 31 and a metallic shield 34 that is arranged on outside the terminal module 31 with a plurality of conducting terminals 33.

Terminal module 31 comprises a metal pedestal 32 with a plurality of terminal grooves 321.Insulating body 320 molded being formed on the metal pedestal 32, and insulating body 320 comprises a plurality of insulating barriers 323 that are coated on terminal groove 321 (as Figure 10) respectively.In the present embodiment, metal pedestal 32 has one first one 311 and one second one 312, and terminal groove 321 extends to second one 312 from first one 311.

Metal pedestal 32 comprises that also a plurality of and terminal groove 321 roughly extend and be plugged on earth element 324,325 in the terminal groove 321 respectively in the same direction, and promptly a terminal groove 321 is to be arranged between two earth elements 324,325.Earth element comprises that to be exposed to insulating body 320 outer and be positioned at first one 311 first ground dummy board 324 and be exposed to insulating body 320 and be positioned at second one 312 ground contact 325 outward.Because first ground dummy board 324 is all formed by metal pedestal 32 with ground contact 325, therefore first ground dummy board 324 is mutually one with ground contact 325 and is electrically connected each other.

As shown in Figure 5, each conducting terminal 33 comprises a weld part 331 and a contact site 332.The weld part 331 of conducting terminal 33 is separately positioned in the insulating barrier 323 of the terminal groove 321 that extends to 32 first ones 311 of metal pedestal.332 of the contact sites of conducting terminal 33 are separately positioned in the insulating barrier 323 of the terminal groove 321 that extends to 32 second ones 312 of metal pedestal.Therefore, the weld part 331 of conducting terminal 33 inserts and is arranged in first ground dummy board 324, and contact site 332 insertions of conducting terminal 33 are arranged in the ground contact 325.

First one 311 of metallic shield 34 clad metal seats 32, and comprise a plurality of second ground dummy boards 341 that protrude out towards first ground dummy board 324 of metal pedestal 32 by metallic shield 34.Second ground dummy board 341 and first ground dummy board, 324 staggered connecting.As Fig. 7 and shown in Figure 11, each first ground dummy board 324 has one by longitudinal fluting 326 formed vertical ribs, and each second ground dummy board 341 has a vertical rib 343 in the corresponding longitudinal fluting that is embedded in first ground dummy board 324 326.Therefore, metallic shield 34 and first ground dummy board, 324 the two electromagnetic wave that match and produced between the conducting terminal 33 in order to intercept.

First, second one 311,312 of each metal pedestal 32 has a top and a bottom respectively, as shown in figure 10, terminal groove 321 is respectively formed at first one 311 top and bottom, and as shown in figure 14, terminal groove 321 also is respectively formed at second one 312 top and bottom.Cooperate shown in Figure 11, by above-mentioned member, holding wire 211 is separately positioned on the insulating barrier 323 on first one 311 top, and the weld part 331 of conducting terminal 33 inserts and is arranged between holding wire 211 and the insulating barrier 323, holding wire 211 ' then be separately positioned on the insulating barrier 323 of first one 311 bottom, and the weld part 331 of conducting terminal 33 insert be arranged on holding wire 211 ' and insulating barrier 323 between.With present embodiment, holding wire 211 transmits in order to transmission, and holding wire 211 ' in order to transmit received signal.Holding wire 211,211 ' exposed end owing to intert fully isolator be arranged between the above-mentioned member, so in that holding wire 211,211 ' interference can not generate electromagnetic waves.

As shown in figure 12, in another embodiment, pair of conductive terminal 33 is arranged between two earth elements 324,325, and 33 of conducting terminals are arranged on the top of first, second one 311,312, only shows among the figure that first ground dummy board 324 is arranged on first one 311.In the present embodiment, each holding wire 211,211 ' can be separately positioned on every pair first insulating barrier 323 between the ground dummy board 324.

Metallic shield 34 comprises two housing section 340 that are coated on first one 311 top and bottom respectively.The housing section 340 of each metallic shield 34 has a plurality of through holes 342 (as Fig. 5), and the through hole 342 of each housing section 340 of metallic shield 34 penetrates setting (as Fig. 6) for earth connection 212 respectively, earth connection 212 can be welded in the metallic shield 34 in the time of in being arranged on through hole 342, in other words, earth connection 212 is to be electrically connected with metallic shield 34.

The ground contact 325 of terminal module 31 can be used for connecting with the ground contact (not shown) of an electric connector that matches, and is electrically connected with a printed circuit board (PCB) (not shown).Therefore, ground contact 325 can reach ground connection via being formed on the ground mat on the printed circuit board.Finally, because second ground dummy board 341 embeds longitudinal fluting 326 respectively, and because first ground dummy board 324 is one-body molded with ground contact 325, earth connection 212 can reach ground connection by ground contact 325.Also can utilize another kind of method to make signal transmssion line 2 ground connection, the structure (not shown) of common metal inlaying for example is set outside insulating sleeve 22.

As shown in Figure 5, electric coupler component 200 also comprises a metal shell 4 that is coated on outside electric connector 3 and the load bearing seat 24, and is able to part signal transmission line 2 be connected and be coated in electric connector 3 and the load bearing seat 24.Metal shell 4 comprises a pair of main casing 42, and electric connector 3 and load bearing seat 24 inserts and be arranged between two corresponding main casings 42.Two lock pins 41 are along two relative edges of main casing 42 and roughly be arranged between the main casing 42 along axially penetrating of signal transmssion line 2.Lock pin 41 is with general method commonly used metal shell 4 to be fixedly installed on the electronic installation (not shown).

Above-mentioned electric coupler component 200, since conducting terminal 33 be the holding wire 211,211 that directly is welded on signal transmssion line 2 ' on, with United States Patent (USP) the 6th, 336, the electric connector contact of being announced for No. 827 111,112 is connected via printed circuit board (PCB) 13 indirectly with signal transmssion line bare wire 121 makes comparisons, and can reach faster data transmission speed.In addition because first, second ground dummy board 324,341 intercepts holding wire 211,211 ' fully, so holding wire 211,211 ' between do not have Electromagnetic Interference and produce.In addition, metal pedestal 32 can make the simplification that is connected between first, second ground dummy board 324,341 and the conducting terminal 33.In addition, the purposes of metal shell 4 can be used for the guard signal interelement and avoids being subjected to the external electromagnetic wave interference.

The main use that is characterised in that terminal module 31 of the present invention, the metal pedestal 32 of terminal module 31 are that a particular structure that is made of terminal groove 321 is made, and can provide between the conducting terminal 33 effectively that electromagnetic wave intercepts.Owing to be coated with insulating barrier 323 in the terminal groove 321, so will can not produce short circuit between the conducting terminal 33.

Terminal module 31 is to be coated in embedded injection molding mode by insulating body 320 that manufacturing forms on the metal pedestal 32, and has been pre-formed terminal groove 321 on the metal pedestal 32.Insulating barrier 323 is to be molded on the insulating body 320 when injection moulding.In addition, it also is feasible using isolation coating layer 327 (as Figure 15) to replace insulating barrier 323.

Middle-end submodule group 31 of the present invention is to be applied to signal signal transmssion line connector 200, but application of the present invention has more than and is confined to this.The present invention also can be applicable to the connector of other type, and connector includes a plurality of conducting terminals that are used for transmission signals, as Figure 16 to shown in Figure 23 promptly is the example of this connector.To shown in Figure 19, the terminal module 500 of a pin connector is used for being connected with a circuit board as Figure 16.Pin connector comprises a metal pedestal 501 with a plurality of terminal grooves 502, is coated with insulating barrier 503 in each terminal groove 502, and a plurality of conducting terminals 504 insert respectively and are arranged in the insulating barrier 503.

To shown in Figure 23, the terminal module 600 of a socket connector is used for being connected with a circuit board as Figure 20.Terminal module 600 comprises a metal pedestal 601 with a plurality of terminal grooves 602, is coated with an insulating barrier 603 in each terminal groove 602, and a plurality of conducting terminals 604 insert respectively and are arranged in the insulating barrier 603.

Metal pedestal 501,601 can be by using the metal material that is fit to make in the machine-shaping mode.For example, metal pedestal 501,601 can be used as the casting processing of almag or alumin(i)um zinc alloy and make.Metal pedestal 501,601 also can be used the fabrication techniques of powder metallurgy, and selects for use suitable metal dust such as copper as material.

Insulating barrier 503,603 can be made a slice separately and insert respectively and be arranged in the terminal groove 502,602.Insulating barrier 503,603 can be made by injection molding.In this example, insulating barrier 503,603 will be connected with the molded insulating body that is formed on the metal pedestal 501,601.

Plug and socket connector 500,600, with metal pedestal 501,601 equally is single individuality, each terminal groove 502,602 is limited in the metallic walls that is coated on outside the corresponding conducting terminal 504,604, and is not formed with any interruption or slit in conducting terminal 504,604.Therefore, between conducting terminal 504,604, just produce effective electromagnetic wave shielding.In addition, the metal pedestal 501,601 of single individuality can manufactured easily moulding and do not need complicated number of assembling steps.

The above is preferred embodiment of the present invention, but can not limit scope of embodiments proposed by the invention with this, i.e. the modification of doing according to description of the present invention and scope changes with equivalence, all belongs to the scope that the present invention is contained.

Claims

1. an electric coupler component comprises: a signal transmssion line, an electric connector and a metal shell that is arranged on outside this electric connector that is electrically connected on this signal transmssion line; It is characterized in that:

This electric connector comprises a terminal module, this terminal module has a metal pedestal, an insulating body and an a plurality of conducting terminal that is arranged in this insulating body that is formed on outside this metal pedestal, this metal pedestal comprises that a plurality of terminal grooves and a plurality of and described terminal groove extend and expose earth element outside this insulating body in fact in the same direction, this insulating body comprises a plurality of insulating barriers that are coated on described terminal groove respectively, and described conducting terminal is separately positioned in the described insulating barrier.

2. electric coupler component according to claim 1 is characterized in that: at least one terminal groove is arranged in twos between the earth element.

3. electric coupler component according to claim 1, it is characterized in that: this metal pedestal comprises one first one and one second one, each terminal groove extends to this second one by this first one, and each conducting terminal comprises that one extends to weld part in this first one, and contact site that extends in this second one.

4. electric coupler component according to claim 3 is characterized in that: described earth element constitutes a plurality of first ground dummy boards, and insertion is arranged between the weld part of described conducting terminal.

5. electric coupler component according to claim 4 is characterized in that: described earth element constitutes a plurality of ground contacts, and insertion is arranged between the contact site of described conducting terminal.

6. electric coupler component according to claim 4, it is characterized in that: this electric connector also comprises first outer metallic shield that is coated on this metal pedestal, this metallic shield has a plurality of second ground dummy boards that extend towards described first ground dummy board respectively, described second ground dummy board respectively with described overlapping connection of first ground dummy board.

7. electric coupler component according to claim 6, it is characterized in that: each first ground dummy board has a longitudinal fluting, and vertical rib that is formed at this longitudinal fluting, and each second ground dummy board has a vertical rib in the longitudinal fluting that is installed in corresponding this first ground dummy board.

8. electric coupler component according to claim 7, it is characterized in that: described earth element comprises that also a plurality of insertions are arranged on the ground contact between the contact site of described conducting terminal, and described first ground dummy board and described ground contact link mutually and become one.

9. electric coupler component according to claim 1 is characterized in that: this insulating body is to be molded on this metal pedestal with embedded injection molding.