Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
  • H01R13/66—Structural association with built-in electrical component
  • H01R13/719—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
  • H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
  • H01R24/62—Sliding engagements with one side only, e.g. modular jack coupling devices
  • H01R24/64—Sliding engagements with one side only, e.g. modular jack coupling devices for high frequency, e.g. RJ 45

Definitions

• the invention relates to a connection assembly providing multiple port connections.
• Known connector assemblies exist having multiple receptacle connectors in a common housing, which provides a compact arrangement of such receptacle connectors. Such a connector assembly is useful to provide multiple connection ports. Accordingly, such a connector assembly is referred to as a multiple port connector assembly.
• the housing has jacks one above the other, forming a plurality of arrays in stacked arrangement, so-called stacked jack arrangements.
• the receptacle connectors that is, modular jacks, each have electrical terminals arranged in a terminal array, and have plug receiving cavities.
• the receptacle connectors are in the form of RJ-45 type modular jacks that establish mating connections with corresponding RJ-45 modular plugs.
• a connector assembly has two rows of receptacle connectors, that is, modular jacks, arranged side-by-side in an upper row and side-by-side in a lower row in a common housing, which advantageously doubles the number of receptacle connectors without having to increase the length of the housing.
• the receptacle connectors have plug-receiving sections with plug receiving cavities that are profiled to surround modular plugs that are to be inserted in the cavities.
• the modular plugs have resilient latches, which engage with latching sections on the modular jacks.
• the latches are capable of being grasped by hand, and being resiliently bent inwardly toward the plugs to release them from engagement with the latching sections on the modular jacks .
• a telephone switching network of a telephone service provider such as, a regional telephone company or national telephone company.
• the corresponding RJ-11 modular plugs terminate opposite ends of telephone cords leading to wall mounted telephone outlets inside a building. The telephone outlets connect to telephone lines outside of the building, which, in turn, connect to the telephone switching network of the telephone service provider.
• connection systems have found utility in office computer networks, where desktops are interconnected to office servers by way of sophisticated cabling.
• Such networks have a variety of data transmission medium including coaxial cable, fiber optic cable and telephone cable.
• One such network topography is known as the Ethernet network, which is subject to various electrical standards, such as IEEE 802.3 and others.
• Ethernet network is subject to various electrical standards, such as IEEE 802.3 and others.
• Such networks have the requirement to provide a high number of distributed connections, yet optimally requires little space in which to accommodate the connections.
• the invention is an electrical connector assembly comprising a housing including a beam platform having a front mating section, a rear platform section, and a pair of opposite side edges.
• a plurality of electrical contacts are carried by the housing, the contacts being arranged in an upper row and a lower row.
• the contacts in each row have mating contact portions exposed along the front mating section, and circuit board connecting sections.
• the circuit board connecting sections of the upper row of contacts extend beyond one of the side edges, and the circuit board connecting sections of the lower row of contacts extend beyond the other of the side edges.
• Signal conditioning devices including circuit cards having signal conditioning components thereon are mounted to the side edges and are electrically connected to the circuit board connecting sections of the contacts.
• Figure 1 is a perspective view of the connector assembly partially exploded to show the various components of the invention
• Figure 2 is an enlarged perspective view of the connector subassembly exploded to show their various components
• Figure 2A is an enlarged perspective view of the connector subassembly of Figure 2 assembled
• Figure 3 is a rear perspective view of the main housing portion
• Figure 3A is an enlarged view, in partial fragmentation, of the main housing portion shown in
• Figure 4 is a front perspective view of the main housing portion
• Figure 4A is a view in partial fragmentation, of the main housing portion shown in Figure 4.
• Figure 5 is a front plan view of the housing shown in Figures 3 and 4;
• Figure 6 is a bottom plan view of the housing of
• Figure 7 is a rear perspective view of the housing of Figure 5;
• Figure 8 is a cross-sectional view through lines 8-
• Figure 9 is a front perspective view of the modular jack subassembly
• Figure 10 is a top plan view of the connector housing of Figure 9 without the contacts loaded;
• Figure 11 shows a front plan view of the housing of
• Figure 12 is a side plan view of the housing of
• Figure 13 is a cross-sectional view through lines 13-13 of Figure 10;
• Figure 14 is a top plan view of the modular jack subassembly shown in Figure 9;
• Figure 15 is a cross-sectional view through lines 15-15 of Figure 14;
• Figure 16 is a rear perspective view of the outer shield, as shown in Figure 1;
• Figure 17 is a perspective view of the side shields which are positionable between adjacent connector subassemblies
• Figure 18 is a plan view of the isolation shield which is positioned through the modular jack beam between the terminal arrays;
• Figure 19 is a front plan view of the completed assembly
• Figure 20 is a lower plan view of the assembly shown in Figure 19;
• Figure 21 is a side plan view of the assembly of
• Figure 22 is a rear plan view of the assembly shown in Figure 20 in partial fragmentation.
• a stacked modular jack assembly is shown generally by reference numeral 2 and includes a plurality of modular jack subassemblies 4, a main housing member 6, and an outer shield member 8.
• the modular jack subassemblies 4 are positionable within the main housing 6 with an isolation shield 10 positioned between adjacent modular jack subassemblies 4, and with organizer boards 12 positioned below a pair of adjacent modular jack subassemblies 4 as described more fully herein.
• the modular jacks are in the RJ-45 configuration, although it will be recognized that other RJ configurations (e.g., RJ-11) or non-RJ configurations may be utilized consistent with the invention.
• the modular jack subassembly 4 is generally comprised of a modular jack connector member 14 which can be positioned within the housing 6, where the modular jack connector 14 is adapted to receive two signal conditioning assemblies 16 from opposite sides thereof.
• the filtering assemblies 16 are generally comprised of a printed circuit board 18 having right-angled circuit board contacts 20 extending from, and interconnected to, the circuit board 18, at through holes 21, and passive filtering devices such as components 22 and 24. It should be appreciated that the boards include through holes such as 25, which are electrically connected through circuit traces (not shown), to the contacts 20.
• the modular jack connector 14 is generally comprised of a housing 26 having a plurality of contacts 28, such that the filtering assemblies 16 may be mounted to the housing 26, with the contacts 28 interconnected to the through holes 25.
• the electronic components 22, 24 may comprise literally any type of electronic device including, for example, discrete resistors, capacitors, inductors, or semiconductive devices (e.g., transistors or diodes), or even integrated circuits.
• the housing member 6 generally includes a front mating face 30, a top wall 32, a lower wall 34, a rear face 36, and end walls 38 (only one of which can be viewed in Figures 3A and 4A) .
• the front face 30 of the housing 6 is shown to include an upper row of modular plug receiving openings 40 and a lower row of modular plug receiving openings 42.
• the cavities 40 include a lower surface 44, inner parallel side surfaces 46, and a latch-receiving notch 48 together with a rearwardly facing latching surface 50.
• the row of lower cavities 42 includes a top wall 54 ( Figure 5) and inner side walls at 56.
• a lower latch- receiving recess is provided at 58 with a rearwardly facing latch surface 60.
• Each of the cavities 40, 42 also includes slots 62 in side walls 46, and slots 64 in side walls 56, to accommodate the modular plug. It should be understood, however, that any such modification to the modular plug receiving openings could be modified to change the configuration of the plug or to accommodate different keying configurations .
• the modular jack receiving area 70 extends forwardly from an intermediate wall shown at 72 to an inner surface of the front wall 30.
• a tapered slot is defined at 74, which extends from the intermediate wall 72 towards the front wall 30.
• the tapered slot also includes a narrow receiving slot 76, described more fully herein.
• the tapered slot 74 extends forward, and then through the front wall 30 to form an oval-shaped opening at 78 ( Figure 3A) .
• a rear enlarged compartment is shown generally at 90, and extends rearward from the center wall 72.
• the enlarged areas 90 are separated by intermediate walls 92, which in the preferred embodiment, are positioned to separate side-by-side pairs of openings 40, 42. This enlarged volume exists between inner surface 94 of upper wall 32, inner surfaces 96 of side wall 38, and between intermediate walls 92.
• a plurality of aligning devices are provided to align the connector subassembly 4 and intermediate shield 10, with the housing 6.
• a pair of ribs 98 extend rearwardly from the intermediate wall 72 and are positioned in the corner defined by inner surface 96 and upper surface 94, and are spaced apart so as to define a slot at 100.
• ribs 102 also define an intermediate slot at 104.
• pairs of ribs that is, a centrally positioned pair of ribs 110, which defines a central slot 112, and outer ribs 114, which flank the central ribs 110, to define two intermediate slots, that is, 116 and 118. This configuration is repeated in adjacent enlarged areas 90 between each intermediate wall 92, and thus only one such area is described.
• the connector housing 6 includes a T-shaped projection 120, including a transverse portion 122, and a board support portion 124, having a support peg 125.
• a rib 126 ( Figure 7) is provided such that a slot 128 is defined between rib 126 and side wall 130 of transverse portion 122.
• two ribs 136 define therebetween slot 138, and a further slot 140 projects into back wall 72. It should be appreciated that slots 138 and 140 are in vertical alignment with slot 112.
• a slot 142 is defined between side surface 144 of transverse portion 122 and rib 136; and a slot 146 is defined between rib 136 and side surface 130 of the adjacent projection 120. It should be appreciated too that slots 116 and 142; and 118, 146 are in vertical alignment with each other.
• the housing 6 also includes an upper contoured recess 150 having an aperture at 152 and a lower contoured recess 154 having an aperture at 156, as shown best in Figure 7.
• housing 6 includes a plurality of recesses 160 positioned along the top surface of upper wall 32 and includes recesses 162 extending into side wall 38. Furthermore, housing 6 includes printed circuit board locating lugs 164 extending downwardly therefrom, and as shown in Figure 4A, includes recesses 166 encircling two adjacent pairs of oval recesses 78. [00045] With reference now to Figure 9, the modular jack connector 14 is shown, with housing 26 including an elongate platform housing portion, or beam portion 170, which generally extends between a front mating face 172 and an end face 174.
• the elongate housing portion 170 includes a front mating section 176 having a top surface at 178 and a lower surface at 180 ( Figures 12 and 13), where an upper transverse wall 182 extends upwardly from surface 178, and a lower transverse wall 184 extends downwardly from surface 180.
• the elongate platform portion 170 further includes a rear platform portion 186, which includes an upper face 188, a lower face 190 (Figure 12), and two transverse faces 192, 194 ( Figure 9) as described in greater detail herein.
• the modular jack housing 26 includes a plurality of slots 201-208, which extend from front face 172 rearwardly towards end face 174.
• the slots 201-208 include linear portions 201A-208A, extending rearwardly through upstanding wall 182 as shown in Figures 10 and 11. As shown best in Figure 11, the slots 201-208 also include upper vertical portions 201B-208B, which form contact alignment slots as described herein. After extending through the upper transverse wall 182, the linear slot portions 201A-208A include transition sections, for example, 201C-208C, and thereafter right-angled sections 201D-208D, which open onto side face 192, as best shown in Figure 10. It should be appreciated that lower face 190 includes an identical array of slots such as 201-208, with the exception that the slots are mirror-imaged, such that the slots extend through lower transverse wall 184, and open onto transverse face 194.
• the housing 26 includes two side extensions, 220 extending along the front housing portion 176 and includes side surfaces 222 which taper towards front face 172 by angle Ai ( Figure 10) and include top and bottom surfaces 224, 226 which also taper towards front face 172 by angle A 2 ( Figure 12) .
• Each side surface 222 further includes a detent mechanism 228 adjacent the end of the side extensions 220.
• Each of the side extensions 220 further includes at least one locating element (in the illustrated embodiment, an oval-shaped heat stake lug 230 extending from a front end face 232 of the side extensions 220) for, inter alia, locating and positioning the housing 26 when inserted within the outer housing 6.
• locating element in the illustrated embodiment, an oval-shaped heat stake lug 230 extending from a front end face 232 of the side extensions 220
• any number of other types of locating element arrangements may be substituted with equal success, including, for example, heat stakes with other than oval shape, slot-and- groove apparatus, or even the use of lugs extending from the interior surface of the outer housing 6 to mate with corresponding openings formed in the front face 172 of the housing 26, all such alternate embodiments being known to those of ordinary skill.
• transverse wall 182 includes a contoured wall portion 240 having an extension lug 242, whereas lower transverse wall portion 184 includes a contoured wall section 244 having lug member 246.
• transverse face 192 includes locating lugs 250, whereas transverse face 194 includes locating lugs 252.
• housing member 26 as best shown in Figures 11 and 13, includes an elongate slot member 260 which extends transversely across the terminal receiving slots 201-208 ( Figure 11) and extends between front face 172 and rear face 174 ( Figure 13) .
• the slot 260 includes a plurality of gripping detents 262 positioned on both the top and bottom surfaces of the slot 260.
• the contacts are defined as modular jack contacts, and are stamped and formed from a blank sheet of metal in a lead frame approach such that the terminals are formed, at one end, into right angles for interconnection to a printed circuit board.
• the terminals 28 have base portions 271A-278A, which vary in length due to their right-angled nature as is well known in the art. These base portions 271A-278A are positioned within respective channels 201A- 208A in the housing ( Figure 10) .
• the terminals 28 also include a plurality of reversely bent contact portions, 271B-278B, which reversely bend and extend obliquely rearwardly away from the front face 172 of the modular jack housing 14. These reversely bent portions 271B-278B extend through their associated upstanding slots 201B-208B to provide lateral alignment thereof, and are spring loaded there against. The terminals are thereafter transitioned into printed circuit board contacts 271D-278D as shown in Figure 9 and extend beyond transverse face 192.
• the outer shield member 8 is comprised of a box-shaped stamped and formed metallic enclosure formed by a top wall 290, side walls 292, a front mating face 294, a rear wall 296, and a lower wall 298. It should be understood that this shield in the preferred version of the embodiment is stamped and formed from a single flat piece of sheet metal, however, any type of shield could be employed.
• the rear wall 296 is shown integrally connected to top wall 290, and is shown in the position ready to receive the housing 6, and is therefore rotatable about the hinged connection at 300.
• the shield 8 is intended for mounting to a printed circuit board, and therefore side walls 292 include integral printed circuit board tines 302, rear wall 296 includes a plurality of printed circuit board tines 304, and front wall 294 includes printed circuit board tines 306 ( Figure 19) .
• the shield 8 is intended for receipt within a panel opening and therefore includes a plurality of resilient fingers, such as fingers 308 integrally connected to top wall 290 and fingers 310 integrally connected to side walls 292.
• the shield 8, as shown in Figure 19, includes a plurality of stamped openings 312 and 314 which generally conform to the geometry of openings 40 and 42 (Figure 4A) in the housing 6.
• rear wall 296 ( Figure 16) includes a plurality of horizontal slots at 316 as will be described in greater detail herein.
• shield member 10 is shown as including a generally rectangular metallic member 320 having tabs 322 and 324 extending from a front edge thereof. Also as shown in Figure 18, a shield member 330 is shown including a rectangular metallic member 332 having ears 334 bent from an edge together with a foldable tab at 336.
• the connector member 24 is first assembled such that the plurality of terminals are positioned in their respective channels with the reversely bent contact portions extending through their respective slots. As shown in Figure 2, this positions the plurality of printed circuit board terminals 271D-278D ( Figure 9) beyond the transverse faces 192, 194.
• the various signal conditioning subassemblies 16 are now assembled by positioning the various components 22, 24 on, or through, the board 18 flanking the through holes 25.
• the through holes 25 are plated through holes such that the printed circuit board terminals 271D-278D can be solder connected to the through holes 25 for electrical connection therewith.
• through holes 25 are electrically connected to circuit traces (not shown) on the boards 18 which thereafter interconnect with the signal conditioning components 22, 24. These components thereafter are interconnected to plated through holes 21, again by circuit traces on the board 16.
• Right-angle terminals 20 are thereafter interconnected to through holes 21, preferably by a soldering process to electrically connect the terminals 20 to the printed circuit board 18.
• the plurality of modular jack terminals 28 are electrically connected to the right-angle terminals 20, through the serially connected components 22, 24.
• the assembled view of the modular jack subassembly 4 is shown in Figure 2A.
• the modular jack assembly 4 is completed by positioning the isolation shield 330 within its corresponding slot 260 and sliding the shield to a position adjacent the front face 172.
• the modular jack subassemblies With the modular jack subassemblies, as described, they are insertable within the connector housing member 6.
• the subassemblies 4 are positioned within the various cavities so as to align the extension members 220 ( Figure 9) with the tapered slot 74, while at the same time aligning the front edge of edge cards 18 with the various associated slots 100, 116 ( Figure 7) . It should also be appreciated that this will position the contoured wall portion 240 within its corresponding opening 150 ( Figure 7) and lug 242 will be positioned within corresponding opening 152.
• the shield members 10 may now be installed intermediate adjacent modular jack assemblies 4, such that the shield 10 is aligned with intermediate slot 112
• the connector 2 As assembled, the connector 2 is positionable on a printed circuit board 358 with the various terminals 20 aligned and electrically connected with corresponding through holes in the circuit board 358. This entire subassembly is connectable to a panel 360 through an aperture 362 thereof.
• the method of manufacturing the connector assembly (including housing 26) of the invention will now be described in detail. It is noted that while the following description of the method is cast in terms of the fabrication of a multiple port pair assembly having two rows of ports in over-under configuration, the broader method of the invention is equally applicable to other configurations, such as those having only a single port pair.
• the method generally comprises first forming the outer housing 6 and housing or beam platform 26, such forming being accomplished by any number of well understood formation techniques such as injection or transfer molding.
• the injection molding process is preferred for its ability to accurately replicate small details of the mold, low cost, and ease of processing.
• the contacts comprise metallic (e.g., copper or aluminum alloy) strips having a substantially square or rectangular cross-section and sized to fit within the slots of the connectors in the housing 26.
• the contacts are partitioned into two sets; a first set comprising contacts 28 for use with the modular jack recess (i.e., within the housing 6, and mating with the modular plug terminals) , and a second set as the circuit board contacts 20 for mating with the PCB or other external device to which the connector assembly 2 is mated.
• the conductors 20, 28 are formed to the desired shape (s) using a forming die or machine of the type well known in the art. Specifically, for the embodiment of Figure 1, the first set of contacts 28 is deformed so as to produce the juxtaposed, coplanar right angle as previously described.
• the second set of contacts 20 is deformed to produce the desired juxtaposed, non-coplanar array which is used to mate with the PCB/external device as shown best in Figures 2 and 2A herein.
• either or both of the aforementioned sets of contacts may also be notched (not shown) at or near their distal ends such that electrical leads associated with the electronic components (e.g., fine-gauge wire wrapped around a magnetic signal conditioning element) may be wrapped around the notch to provide a secure electrical connection either alone or in conjunction with soldering or other bonding technique.
• circuit boards 18 used within the connector assembly 2 are formed, including any through holes 21 or vias.
• Methods for forming substrates are well known in the electronic arts, and accordingly are not described further herein.
• Any conductive traces on the substrate required by the particular design are also added, such that individual ones of the contacts 20, 28, when received within the through holes, are in electrical communication with the traces as required.
• the organizer boards 12 are formed and are perforated through its thickness with a number of through holes or apertures 350 of predetermined size.
• the apertures are arranged in an array, each aperture receiving corresponding ones of the second contacts 20 therein, the apertures of the organizer boards acting to register and add mechanical stability to the second set of contacts 20.
• the apertures may be formed at the time of formation of the organizer board 12 itself.
• One or more electronic components 22, 24, such as the aforementioned signal conditioning devices, are next formed and prepared (if used in the design) .
• the manufacture and preparation of such electronic components is well known in the art, and accordingly is not described further herein.
• the electronic components are then mated to the circuit boards 18. Note that if no components are used, the conductive traces formed on/within the circuit boards will form the conductive pathway between the first set of contacts 28 and respective ones of the second set of contacts 20.
• the components 22, 24 may optionally be (i) received within corresponding apertures designed to receive portions of the component (e.g., for mechanical stability), (ii) surface mounted or otherwise bonded to the substrate such as through the use of an adhesive or encapsulant, (iii) mounted in "free space" (i.e., held in place through tension generated on the electrical leads of the component when the latter are terminated to the circuit board conductive traces and/or contact distal ends, or (iv) maintained in position by other means.
• the components 22, 24 are electrically coupled to the PCBs 18 using a eutectic solder re-flow process as is well known in the art.
• the electronic components 20, 24 is then optionally secured with a silicon encapsulant, although other materials may be used
• the formed modular plug contacts 28 are disposed within respective slots 201-208 in the housing element 26 such that the contacts are properly seated and aligned within the slots as shown best in Figure 9.
• circuit board contacts 20 are inserted into the circuit boards 18, such that the contacts form an array of contacts which project vertically downward from the circuit boards 18 so as to be aligned the corresponding through holes 350 of the organizer board 12 when the latter is mated to the modular jack subassembly 4.
• the ends 271-278d of the first contacts 28 are sunk within the apertures 25 of the circuit boards 18, respectively, to the desired depth and optionally bonded thereto (such as by using eutectic solder bonded to the contact and surrounding circuit board terminal pad or trace) in addition to being frictionally received within their respective apertures 25, the latter being slightly undersized so as to create the aforementioned frictional relationship.
• the distal ends of the contacts 28 may be tapered such that a progressive frictional fit occurs, the taper adjusted to allow the conductor penetration within the circuit board 18 to the extent (e.g., depth) desired.
• the organizer board 12 is next added to the modular jack subassembly 4 as previously described, such that the distal ends of the circuit board contacts 20 project vertically downward from the subassembly through the through holes 350 of the organizer board 12.
• the noise shield member 330 is next inserted horizontally within the slot formed between the upper and lower modular jack contact sets 28 in the assembled modular jack subassembly 4.
• each subassembly 4 is received into its respective receiving area 70, and the locating lugs 230 on the front face 172 of the housing element 26 received within the corresponding openings 78 formed in the main connector housing 6. Additionally, any isolation shields 10 used in the connector are inserted between the subassemblies 4 as shown most clearly in Figure 1.

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• Coupling Device And Connection With Printed Circuit (AREA)
• Details Of Connecting Devices For Male And Female Coupling (AREA)

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• 2002
  • 2002-10-18 CN CNB028240219A patent/CN100449880C/zh not_active Expired - Lifetime
  • 2002-10-18 TW TW91124099A patent/TW569498B/zh not_active IP Right Cessation
  • 2002-10-18 WO PCT/US2002/033509 patent/WO2003034550A1/en not_active Application Discontinuation

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