CN1104065C

CN1104065C - High speed modular electrical connector and receptacle for use therein

Info

Publication number: CN1104065C
Application number: CN98808279A
Authority: CN
Inventors: 约瑟夫·B·舒尔; 斯图尔特·C·斯托纳
Original assignee: Connector Systems Technology NV
Current assignee: Connector Systems Technology NV
Priority date: 1997-08-20
Filing date: 1998-08-17
Publication date: 2003-03-26
Anticipated expiration: 2018-08-17
Also published as: CN1267400A

Abstract

A receptacle (10) for an electrical connector comprising a housing having a first face (12) and a second face (16) and a plurality of signal conducting terminals (18) each extending from said first face to said second face and said housing having a plurality of longitudinal sides (24) interposed between said first face and said second face. A conductive shielding (32) is superimposed over at least some of said longitudinal sides. Interior conductive shielding is interposed between at least some of said signal conducting terminals.

Description

High speed modular electrical connector and used socket

Background of invention Invention field

The present invention relates to electric connector, especially related to and be used for the AN connector that the bundle printed substrate is connected to female printed substrate.

The summary of previous progress

In making computer and other various electronic building bricks, usually adopt a connector daughter board to be connected on the motherboard, connector has a socket, socket has a plastic casing and first and second, wherein, lead-in wire is connected on the daughter board on a face, and be connected on another face with plug that motherboard is connected on.Proposed various layout type and come, but these layout type all can cause the complicated of connector construction this connector and motherboard or daughter board ground connection.Therefore, need a simple and economical way and make connector ground connection between motherboard and the daughter board.Also need to make this connector to reduce crosstalk and raising frequency bandwidth.

Summary of the invention

Socket of the present invention comprises that one has first and second the housing and the signal lead device of many conductions.Each bar of these lead-in wires extends to above-mentioned second from above-mentioned first face.Housing has many vertical sides between above-mentioned first and second, and the screening arrangement of conduction is superimposed upon on above-mentioned some vertical side at least.The screening arrangement of inner conductive is inserted between the signalling of above-mentioned some conduction at least.

In electric connector of the present invention, above-mentioned socket is connected to daughter board by a shielded plug.Plug has two end walls and a midfeather, and is made by electric conducting material, is preferably made by suitable metal alloy.Many perforates are extended by midfeather, and clamping signal pin, and contact pin contacts with lead-in wire in the socket.On midfeather, there are first and second.First with socket second docked.Second face leans against on the printed substrate.Many recesses are arranged on second, and electrically conductive socket is press fit over wherein makes connector ground connection.

The accompanying drawing summary

Further describe the present invention with reference to the accompanying drawings, wherein:

Fig. 1 is the perspective view of the part excision of socket of the present invention;

Fig. 2 is the outer shielding layer that is used for Fig. 1 socket;

Fig. 3 is the internal shield that is used for Fig. 1 socket;

Fig. 4 is the insulation shell that is used for Fig. 1 socket;

Fig. 5 is used for the lead-in wire of Fig. 1 socket and the perspective view of insulation deckle board combination;

Fig. 6 is an outer shielding layer and the cooperating an of internal shield;

Fig. 7 is the end view of Fig. 1 socket, and in order to represent the layout that goes between, part is cut;

Fig. 8 is the front view of Fig. 1 socket;

Fig. 9 is the cutaway view by 9-9 among Fig. 8;

Figure 10 is the cutaway view by 10-10 among Fig. 8;

Figure 11 is the vertical sectional view by an insulation deckle board among Fig. 5;

Figure 12 is the vertical sectional view that Fig. 1 socket and plug cooperates;

Figure 13 is the front perspective view of second preferred embodiment of socket of the present invention;

Figure 14 is the rear view of Figure 13 socket;

Figure 15 is the rearview of Figure 13 socket;

Figure 16 is the cut diagrammatic top view of part, has represented the socket that cooperates with printed substrate;

Figure 17 A is the cutaway view by 17-17 among Figure 15;

Figure 17 B is the cutaway view similar in appearance to Figure 17 A, and wherein socket table is shown with a plug and matches;

Figure 18 is the screen end view that is used for Figure 13 socket;

Figure 19 is the contact end view that is used for Figure 13 socket;

Figure 20 is the perspective view of the part excision of the 3rd preferred embodiment of the present invention;

Figure 21 is the end view of Figure 20 socket;

Figure 22 is the front view of Figure 20 socket;

Figure 23 is the bottom plan view of Figure 20 socket;

Figure 24 is the rearview of Figure 20 socket;

Figure 25 is the end view of an internal shield in Figure 20 socket;

Figure 26 is the rearview of Figure 25 internal shield;

Figure 27 is the top plan view of Figure 25 screen;

Figure 28 is used for the insulation deckle board of Figure 20 socket and the end view of conductive contact combination;

Figure 29 is the insulate end-view of deckle board and contact of Figure 28;

Figure 30 is the plane rearview of the 4th preferred embodiment of socket of the present invention;

Figure 31 is the bottom plan view of Figure 30 socket;

Figure 32 is the cutaway view by 32-32 among Figure 30;

Figure 33 is the face upwarding view of Figure 30 socket;

Figure 34 is the birds-eye perspective of Figure 30 socket;

Figure 35 is the plane rearview of Figure 30 socket, and the top barrier layer is removed;

Figure 36 is suitable for the plug side view that is connected with Figure 30 socket;

Figure 37 is the vertical view of Figure 36 plug;

Figure 38 is the front plan view of Figure 36 plug;

Figure 39 is used for the insulation deckle board of Figure 30 socket and the end view of conductive contact combination;

Figure 40 is the end-view of insulation deckle board shown in Figure 39 and conductive contact combination; And

Figure 41 is the vertical view of insulation deckle board shown in Figure 40 and conductive contact combination.

Preferred embodiment describes in detail

Referring now to Fig. 1-2, briefly represent socket with 10.On the preceding insulation shell of representing with 14 summaries, socket has one first 12.Socket also has one second 16 in its bottom side, the signal lead 18 of conduction extends to second from first face.First mask has many perforates 20, and is as described below, and the contact pin of plug here cooperates with signal lead.As conventional situation, socket also comprises ground connection pin 22.Socket also comprises vertical side 24 and 26 of both sides, and vertical side 28 at top.With first relative position on an end face 30 is arranged.Vertically side 24 and 26 and end face 30 all covered by the screen of U-shaped.This screen comprises

vertical district

34 and 36, and they are superimposed upon respectively on vertical side 24 and 26.38 districts of U-shaped screen 32 are superimposed upon on the end face 30 of socket 10.On vertical side 28 on insulation shell, also has a top barrier layer (not shown).

With reference to Fig. 1,3 and 6, has parallel vertical

internal shield

40,42,44,46 and 48.Longitudinal space 50 (Fig. 3) is arranged between these internal shields.Every internal shield also has transverse region 52 and 53 (Fig. 3).Each transverse region has a pair of vertical locking plate 54 and 56 on 52 transverse region, have 58 and 60 on transverse region 53.These vertical locking plates cooperate (Fig. 2 and 6) with horizontal orifice ring 62 and 64.Preceding top margin in U-shaped screen 32 vertical districts 34 has an elastic collet 66.Preceding top margin in U-shaped screen 32 vertical districts 36 also has an elastic collet 68.Similarly, internal shield 40 has a preceding elastic collet 70, and internal shield 42 has a preceding elastic collet 72, and internal shield 44 has a preceding elastic collet 74, and internal shield 46 has a preceding elastic collet 76, and internal shield 48 has a preceding elastic collet 78.

With reference to Fig. 4, side direction slit 80 and 82 are arranged in insulation shell especially.These slits are respectively

elastic collet

70 and 68 and cooperate.Medial launder 84,86,88,90 and 92 is arranged between these slits, and the

elastic collet

70,72,74,76 and 78 that they are respectively on the internal shield cooperates.

With reference to Fig. 1 and 4-5, as can be seen, lead-in wire is encapsulated within the

insulation deckle board

94,96,98,100,101 and 102 especially.These deckle boards have deckle board locking plate 103,104,106,108,110 and 112 respectively.These deckle board locking plates respectively with insulation shell in perforate 114,116,118,120 and 122 cooperate (Fig. 1).

With reference to Fig. 5 and 7-8, as can be seen, except going between 18, insulation deckle board 94 also clamping signal lead 124,126,128 and 130 especially.Each bar lead-in wire extends earlier up, again horizontal-extending.Each bar lead-in wire has a contact pin that splits respectively at its horizontal terminals and cooperates district 132,134,136,138 and 140.As conventional situation, socket also has a pair of password and

inserts key lever

142 and 144, and pad 146,148 and 150.

With reference to Figure 11, represented the insulation deckle board of being cut open by perpendicular bisected.The deckle board that this five equilibrium is cut open is at central dip, and has many contact contained structure 151a-151h.

With reference to Figure 12, socket cooperates with the plug of representing with 152 summaries.Plug has pair of

end walls

154 and 156 and midfeathers.Many perforates are arranged in midfeather, and the contact pin of conduction 160 extends by their, cooperate with first of socket, and the contact pin that splits that is contained in lead-in wire cooperates in the district.

Second embodiment is shown in Figure 13-20.Especially with reference to Figure 13, summarize the front of representing socket with 210, represent its back with 211.Have the conventional perforate of holding contact pin 212 in front, be used for being connected with plug.As conventional situation, socket comprises that also one is press-fitted plunger 214 and position ram 216 and 218.Also comprise

dottle pin

220 and 222 and positioning

key

224 and 226.

With reference to Figure 14-15, end face 228, back 230 and

side

232 and 234 have been represented in more detail.Can find out to have slit 236 and 237, screen and the parallel sided of in end face, bottom surface and back, holding screen from this figure.In the middle of screen, have elongated contact and hold slit 238 and 239.On the perpendicular separation position that holds slit along screen, also have paired

groove

240 and 242.

With reference to Figure 16-20, signalling contact 244,246,248,250 and 252 holds slit by each contact in socket especially.These contacts at one end are connected (Figure 16) with printed substrate 254.(should be understood that the contact between each set of shield layer is all extended with same total length backwards, though in Figure 16, different positions has backwards schematically been represented in the cooperation of printed substrate, and this only is used to all places that illustrates that the contact can cooperate onboard).They have a v-shaped structure 256 at the other end, are used for being engaged in the contact pin that contact pin holds perforate.With reference to Figure 17 A-17B and 19, screen has ground connection contact pin 258,260 and 262 especially, and they are by socket bottom surface and printed wire plate earthing.Screen is ground structure 264 under the rubber-like also, and it extends down by the following slit in the socket, more backwards with plug 265 ground connection (Figure 17 B) of shielding.Similarly, ground structure 266 on the screen rubber-like, and it is by slit in above the socket and plug ground connection (not shown).The plug that is suitable for cooperating with these elasticity ground connection projections can be a kind of shown in the international patent application no WO96/31922 (on October 10th, 1996 announced, and the assignee who transfers the application).

The 3rd embodiment is shown in Figure 20-29.Summarize the front represent socket with 410, and represent the bottom surface with 411.Have conventional contact pin in front and hold perforate 412, be used for being connected with plug.As conventional situation, socket also comprises and is press-fitted plunger 414 and position ram 416 and 418.

End face 428, back 430 and

side

432 and 434 have been represented in more detail.As above-described relevant the application, in end face, bottom surface and back, has the slit that holds screen, they and parallel sided.Between screen, have elongated contact and hold slit.On the perpendicular separation of holding slit along screen, also has paired groove.

With reference to Figure 25-27, screen has ground connection contact pin 458 especially, and they are by socket bottom surface and printed wire plate earthing.Screen also has ground structure 458 under the elasticity, and it extends down by the following slit in the socket, then backwards with the shielding plug ground connection.Screen has one towards the back zone 461, and it 463 vertically stretches out from the primary area.This has ground structure 465 under another elasticity towards back zone 461.Similarly, screen has ground structure 466 on the elasticity, an individual slit and plug (not shown) ground connection during it passes through above the socket.The plug (for example) that is suitable for cooperating with these elasticity ground connection projections can be a kind of shown in the international patent application no W096/31922 (on October 10th, 1996 announced, be commissioned in the application's the same unit of agency).

Represented a deckle board with reference to Figure 29-30 especially, wherein by insulating part 469 clampings contact 467.Contact and insulating part 469 make integral body, and at one end they have a lead-in wire 471, and they have v-shaped structure 456 at the other end, and the contact pin that is used for holding with contact pin perforate cooperates.Insulating part 469 also comprises installs groove 473, and they connect as the ground connection between contact and the outer shielding layer.

With reference to Figure 30-35, summarize the 4th preferred embodiment having represented socket with 810.This socket had first 812 before housing 814, have second 816 in its bottom surface.Many signals of telecommunication lead-in wire of leading 818 extends to second 818 from first 812.Have many perforate 820a, 820b, 820c, 820d and 820e in a row for first 812.As described below, in these perforates, the contact pin of plug cooperates with signal lead.Socket also comprises vertical side 824 and 826 of both sides, and vertical side 828, top.Socket also comprises end 830, and an outer shielding layer 832 that curves knuckle is superimposed upon on the vertical side 828 in end 830 and top.Vertically side 824 is made by metallic walls 834.With reference to Figure 37, as can be seen, have many internal shields 838,840,842,844,846 and 848 especially.Have longitudinal space 850a, 850b, 850c, 850d and 850e adjacent to each internal shield.Each conductive shielding layer has upper contact locking plate 852a, 852b, 852c, 852d, 852e and 852f.Similarly, these conductive shielding layers also have lower contact locking plate 854a, 854b, 854c, 854d, 854e and 854f (Figure 36).In outer shielding layer 832, also have top slot 858a-858f, be used to cooperate elastic collet 852a-852f.Also have edge slots 858a-858c, be used to impel outer shielding layer 832 to be bent to its knuckle position.Screen also comprises bottom slot 860a-860f, is used to cooperate the flexible locking plate of contact down.

With reference to Figure 35, insulation deckle board 894,896,898,900,902 and 904 is inserted between the screen of conduction.These deckle boards are used for the contact clamping is become mode similar to the aforementioned embodiment.For example, except going between 818, signal lead 924,926,928 and 930 in 894 clampings of insulation deckle board.Every lead-in wire extends earlier up, again horizontal-extending.Every lead-in wire has the contact pin that splits respectively in its horizontal ends and cooperates district 932,934,936,938 and 940.Socket also comprises lower conducting plate 941, and they have vertical extent district 942 and 944.Lower plate 941 has horizontal-extending district 946 and 947, and they cooperate with the plug contact pin of coupling by the related recess 946 and 947 of stretching out from housing.Housing also comprises longitudinal component 949a-949e, inserts contact 950a-950e between these parts.

With reference to Figure 36-38, summarize with 952 and to represent to be suitable for the plug that cooperates with socket 810.This plug comprises

end wall

954 and 956 and midfeather 958.Plug also comprises signal pin 960a-960e in a row.Also has the row's ground connection contact pin 962 that shortens.On the position relative, has lead-in wire 974 with contact pin 960a-960e.On wall 954, also have earthing contact 976 and 978.

With reference to Figure 39-41, the preferred insulation deckle board that is used for Figure 30 socket has comprised the contact 967 by insulating part 969 clampings.Contact and insulating part 969 make integral body, and at one end they have lead-in wire, and they have v-shaped structure 1056 at the other end, are used for holding perforate at contact pin and cooperate with contact pin.Insulating part 969 also comprises installs recess 975 and 977, and the ground connection that they are used between contact and internal shield connects.

Be appreciated that described a kind of simple and economical socket, it provides effective shielding and ground connection between motherboard and daughter board, and the conductor that provides signal to transmit.

Although described the present invention in conjunction with the preferred embodiment of various accompanying drawings, should be understood that, can adopt other similar embodiment, perhaps described embodiment be made various modifications and replenish, finish said function of the present invention and do not depart from the scope of the invention.Therefore, should not limit the invention among any indivedual embodiment, and would rather explain the present invention according to the range and the scope of claims explanation.

Claims

1. a kind of socket of an electric connector, comprise that one has first and second the housing and the signal lead device of many conductions, each bar of these thread guide devices extends to above-mentioned second from above-mentioned first face, above-mentioned housing has many vertical sides between above-mentioned first and second, the screening arrangement of conduction is superimposed upon on above-mentioned some vertical side at least, and the internal shield device of conduction is inserted between the signalling of above-mentioned some conduction at least.

2. the socket of claim 1, wherein, the internal shield device comprises many parallel vertical walls, forms many longitudinal spaces between above-mentioned vertical wall, one of signalling of above-mentioned conduction is arranged in above-mentioned each longitudinal space.

3. the socket of claim 2, wherein, the signalling of conduction is clamped in the deckle board of many insulation.

4. the socket of claim 3, wherein, the signalling of conduction is crushed and is placed between the adjacent inner conductive screening arrangement.

5. the socket of claim 4 wherein, provides locking device that above-mentioned each insulation deckle board is fixed on the housing.

6. the socket of claim 5, wherein, each inner vertically wall has the horizontal expansion part, and above-mentioned each extension has the device that above-mentioned extension is cooperated with the U-shaped screen.

7. the socket of claim 6, wherein, horizontal expansion partly has a vertical locking plate, it with cooperate from the outstanding horizontal orifice ring of external shield device.

8. the socket of claim 7, wherein, each inner vertically screening arrangement has the device that above-mentioned screening arrangement is connected with plug.

9. the socket of claim 8, wherein, the device that above-mentioned screening arrangement is connected on the plug is flexible jockey.

10. the socket of claim 1 wherein, provides earthing device.

11. the electric connector with receptacle combinations comprises a socket that is used for electric connector, socket comprises that one has first and second the housing and the signal lead device of many conductions, each bar of these thread guide devices extends to above-mentioned second from above-mentioned first face, above-mentioned housing has many vertical sides between above-mentioned first and second, the screening arrangement of conduction is superimposed upon on above-mentioned some vertical side at least, the internal shield device of conduction is inserted between above-mentioned some electrically conductive signal device at least, a housing has first and second, each of many electric installations extends to above-mentioned second from above-mentioned first face, a plug has the housing of a conduction, housing comprises the end wall of the almost parallel that its inner surface faces toward, a midfeather is inserted between the above-mentioned parallel end walls that faces toward, above-mentioned midfeather has first and second, wherein, above-mentioned first second adjacency with socket of midfeather, many passages extend between first and second of midfeather, at least by above-mentioned some passage, an independent earthing device is contained on the conductive shell of plug many electrically conductive signal contact pins.

12. the socket of claim 11 wherein, has earthing contact in the bottom side.