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
  • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
  • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
  • H01R13/6581—Shield structure
  • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
• • 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

Definitions

• the present invention relates to an electrical connector, and more particularly relates to a USB (Universal Serial Bus) connector.
• USB Universal Serial Bus
• USB 3.1 type C connector provides improvements over previous versions by incorporating more power/ground pairs and signal channels which are also configured to enable reverse plugging connection. Developers are dedicating continuous efforts to make such type of connector more robust and reliable. Summary
• an embodiment provides an electrical connector which includes first and second terminal modules disposed in a housing and a conductive plate disposed between first and second terminal modules. The plate is in electrical contact with ground terminals of the first terminal module and second terminal module. Near end cross talk in signal integrity of the electrical connector can be improved.
• an embodiment provides an electrical connector which includes first and second terminal modules disposed in a housing and a conductive plate disposed between first and second terminal modules.
• An electrical magnetic interference (EMI) shield is disposed surrounding the first terminal module and the second terminal modules.
• the EMI shield has a first end and a second end joining together to form a ring to fasten the first terminal module and the second terminal module to each other.
• an embodiment provides an electrical connector which includes first and second terminal modules disposed in a housing and a plate disposed between first and second terminal modules.
• the first terminal module includes a first engagement face, a first engagement projection and a first engagement recess spaced apart from the first engagement projection.
• the second terminal module includes a second engagement face, a second engagement projection and a second engagement recess spaced apart from the second engagement projection.
• the first support member is positioned with the first engagement face facing the second engagement face of the second support member.
• the first engagement projection engages with the second engagement recess, and the first engagement recess engages with the second engagement projection to fix the first and second terminal modules to each other.
• FIG. 1A is a perspective view showing a USB receptacle connector according to one embodiment of the present invention
• FIG. IB shows the USB receptacle connector of FIG. 1A in which the terminal modules and the housing are separated from each other;
• FIG. 1C is an exploded view of FIG. 1A;
• FIG. 2A shows the terminals and the conductive plate of the USB receptacle connector of Fig. 1 A before assembly;
• FIG. 2B shows the terminals and the conductive plate of the USB receptacle connector of FIG. 1 A after assembly
• FIG. 2C is a right side view of FIG. 2A;
• FIG. 2D is a right side view of FIG. 2B; [0015] FIG. 2E is an enlarged partial view of FIG. 2A;
• FIG. 2F is a cross sectional view of FIG. 1A along A-A;
• FIG. 2G is an enlarged partial view of FIG. 2F;
• FIG. 3A is an exploded top view showing the terminal modules of the USB receptacle connector of FIG.1 A;
• FIG. 3B is an exploded bottom view showing the terminal modules of the USB receptacle connector of FIG.1A;
• FIG. 4A, 4B and 4C show an assembly process of the terminal module of the USB receptacle connector of FIG.1 A;
• FIG. 5A is a perspective rear view showing a USB plug connector according to one embodiment of the present invention.
• FIG. 5B is a perspective front view of the USB plug connector shown in FIG. 5A;
• FIG. 5C is an exploded view of FIG. 5A
• FIG. 6A is an exploded view showing the terminals and the plate of the USB plug connector of FIG. 5A;
• FIG. 6B is an exploded view of Fig. 6A;
• FIG. 6C is a perspective cross sectional view of FIG. 6A along B-B;
• a USB receptacle connector 100 comprises a housing 110, a first terminal module 130 and a second terminal module 120 disposed in housing 110, and a conductive plate 140 disposed between the first and the second terminal modules 130 and 120.
• a support element 160 is molded to plate 140.
• An electrical magnetic interference (EMI) shield 150 is placed surrounding and clamping the first and the second terminal modules 130, 120 to each other.
• the first terminal module 130 comprises a plurality of first terminals 132 which are fixed together by a first support member 134 insert-molded to the plurality of first terminals 132.
• Second terminal module 120 comprises a plurality of second terminals 122 which are fixed together by a second support member 124 insert-molded to the plurality of second terminals 122.
• First terminal module 130 and second terminal module 120 are positioned to face each other.
• First terminal module 130 is attached to a first surface 140A of plate 140.
• Second terminal module 120 is attached to an opposite second surface 140B of plate 140.
• first terminals 132 are arranged parallel to each other.
• First terminals 132 include first ground terminals 1322 and 1324 arranged at the outmost positions, and first signal terminals 1326 between first ground terminals 1322, 1324.
• First ground terminals 1322 has a first contact portion 1322A embossed toward and in contact with plate 140.
• First ground terminal 1324 has a first contact portion 1324A embossed toward and in contact with plate 140.
• Second terminals 122 are arranged parallel to each other and are parallel with the first terminals 132.
• Second terminals 122 include second ground terminals 1222 and 1224 arranged at the outmost positions, and second signal terminals 1226 between second ground terminals 1222, 1224.
• Second ground terminals 1222 and 1224 each has a second contact portion 1222A and 1224A, respectively, embossed toward and in contact with plate 140.
• First contact portion 1324A and second contact portion 1224A are positioned along an alignment direction 146 perpendicular to a main plane 148 of plate 140, as shown in Fig. 2C.
• plate 140 includes a first pair of contact arms 142A, 142B and a second pair of contact arms 144A, 144B, positioned at respective opposite side portions of plate 140 and oriented parallel to a longitudinal direction 140L of plate 140.
• Contact arms 142A and 144A extend outwardly from first surface 140A of plate 140, toward first ground terminals 1322, 1324.
• Contact arms 142B and 144B extend outwardly from second surface 140B of plate 140, toward second ground terminals 1222, 1224.
• contact portions 1322A, 1324A of first ground terminals 1322, 1324 press against first contact arms 142A, 144 A toward plate 140.
• contact portion 1222A, 1224 A of second ground terminals 1222, 1224 press against second contact arms 142B, 144B toward plate 140.
• First contact arms 142A, 144A and second contact arms 142B, 144B are resiliency deflected to counter act against first ground terminals 1322, 1324 and second ground terminals 1222, 1224. Accordingly, first ground terminals 1322, 1324 are in electrical contact with second ground terminals 1222, 1224 through plate 140.
• first support member 134 has a first engagement face 1340. At one side portion of first engagement face 1340 there are formed a pair of projections 1344, 1345 extending from first engagement face 1340, and a recess 1347 between projections 1344, 1345. At an opposite side portion of first engagement face 1340 there are formed a pair of recesses 1341, 1342 dent into first engagement face 1340, and a projection 1348 raised from engagement face 1340 and positioned between recesses 1341, 1342.
• Second support member 124 has a second engagement face 1240. At one side portion of second engagement face 1240 there are formed a pair of projections 1244, 1245 extending from second engagement face 1240, and a recess 1247 between projections 1244, 1245. At an opposite side portion of second engagement face 1240 there are formed a pair of recesses 1241, 1242 dent into engagement face 1240, and a projection 1248 raised from second engagement face 1240 and positioned between recesses 1241, 1242. [0036] Projections 1344, 1345 and recesses 1341, 1342 of first support member 134 are shaped and dimensioned to match each other.
• Recess 1347 and projection 1348 of first support member 134 are shaped and dimensioned to match each other.
• projections 1244, 1245 and recesses 1241, 1242 of second support member 124 are shaped and dimensioned to match each other.
• Recess 1247 and projection 1248 of second support member 124 are shaped and dimensioned to match each other.
• Second support member 124 is shaped and dimensioned the same as first terminal module 130 and maybe made by a same mold.
• projections 1244, 1245 and recess 1247 of second support member 124 have the same shape and dimension as projections 1344, 1345 and recess 1347 of first support member 134, respectively.
• recesses 1241, 1242 and projection 1248 of second support member 124 have the same shape and dimension as recesses 1341, 1342 and projection 1348 of first support member 134, respectively.
• First terminal module 130 and second terminal module 120 are positioned with first engagement face 130 and second engagement face 120 facing each other, to sandwich plate 140 therebetween.
• Protrusions 1344 and 1345 of first support member 134 are fitted into recesses 1241 and 1242 of second support member 124, respectively.
• Projection 1248 of second support member 124 is fitted into recess 1347 of first support member 134.
• projections 1244 and 1245 of second support member 124 are fitted into recesses 1341 and 1342 of first support member 134, respectively.
• Projection 1348 of first support member 134 is fitted into recess 1247 of second support member 124.
• EMI shield 150 is used to fasten the first terminal module 130, the second terminal module 120 and plate 140 together.
• EMI shield 150 is a stamp formed metal element with a first end 152 and a second end 154. Prior to assembling to first and second terminal modules 134 and 124, EMI shield 150 is in an opened ring shape with first end 152 and second end 154 separated apart from each other, providing a broader inner space 156 for easy placement of first terminal module 134, second terminal module 124 and plate 140 therein.
• FIG. 4C show a USB plug connector 500 according to one embodiment of the present invention, which can be mate with a USB receptacle connector as hereinabove described.
• USB plug connector 500 comprises a housing 550, a first terminal module 530 and a second terminal module 520 disposed in housing 550, and plate 540 disposed between first terminal module 530 and second terminal module 520.
• housing 550 At rear portion of housing 550 there is disposed a PCB 560 to which plate 140 and the terminals of first and second terminal module 530, 520 are mounted and electrically connected.
• a shell 510 is attached to the rear portion of housing 550 and enclosing PCB 560.
• the first terminal module 530 has first terminals 532 and a first support member 534 fixed to first terminals 532 by, e.g. insert-molding.
• Second terminal module 520 has second terminals 522 and a second support member 524 fixed to second terminals 522 by, e.g. insert-molding.
• first terminals 532 includes first ground terminals 5322 and 5324 disposed at outmost positions, and first signal and power terminals 5326 between first ground terminals 5322, 5324.
• Each ground terminal 5322, 5324 has a first contact arm 5322A, 5324A extending toward plate 540.
• Second terminals 522 includes second ground terminals 5222 and 5224 disposed at outmost positions, and second signal and power terminals 5226 between second ground terminals 5222, 5224.
• Each of the second ground terminals 5222, 5224 has a second contact arm 5222A, 5224A extending toward plate 140.
• First terminal module 530 is attached to a first surface 540A of plate 540.
• Second terminal module 520 is attached to an opposite second surface 540B of plate 540.
• First and second contact arms 5322A, 5324A and 5222A, 5224A are resiliency deflected to bias against first surface 540A and second surface 540B of plate 540, respectively. Accordingly, first and second ground terminals 5322, 5324 and 5222, 5224 are brought into electrical contact with plate 540 hence are electrically connected to each other.

Landscapes

• Details Of Connecting Devices For Male And Female Coupling (AREA)

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• 2015
  • 2015-04-30 CN CN201520277028.XU patent/CN204927638U/zh active Active
  • 2015-11-30 WO PCT/SG2015/050478 patent/WO2016175705A1/en active Application Filing
  • 2015-11-30 CN CN201580081064.1A patent/CN107683551B/zh active Active

Patent Citations (3)

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