CN104752899B - Electrical connector assembly - Google Patents

Abstract

The invention discloses an electrical connector assembly (100), which comprises an insulated body (1), a plurality of conductive terminals (2, 3) accommodated in the insulated body, a cable (5) electrically connected at the rear end of the plurality of conductive terminals, a shielding body (9) coating the insulated body and the front end of the cable, a copper foil (7) coating the shielding body, an insulated inner film (6) formed in the shielding body, and an insulated coating body (8) formed at the rear end of the shielding body and the copper foil in a coating mode, wherein a notch (10) is arranged at the rear end of the shielding body; the insulated inner film comprises a coating part (61) coating the place where the cable and the conductive terminal are connected and a supporting part extending backwardly from the coating part; and the supporting part is formed at the notch and supports the copper foil. The copper foil in the electrical connector assembly can effectively prevent electromagnetic interference, the insulated inner film effectively supports the copper foil, the copper foil in the case when the insulated coating body is formed can be prevented from being pressed broken and damaged, and the anti-electromagnetic interference function of the copper foil can be better realized.

Description

Electric coupler component

【Technical field】

A kind of relevant electric coupler component of the present invention, espespecially a kind of electric coupler component for high speed transmission of signals.

【Background technology】

Universal serial bus (Universal Serial Bus, USB) interface connects as a kind of input/output of standard Mouthful, it has been widely used in the design of numerous electronic equipments.1994, Intel, Compaq, IBM, Microsoft, NEC, 7 world-renowned computers such as Northern Telecom and communication common carrier are combined and have set up USB associations (USB-IF), tentatively Set up USB interface specification.Up to the present, the issued versions such as 1.0,1.1 and 2.0 of USB associations.

The versions of above-mentioned USB 1.0,1.1,2.0 support following three kinds of transmission rates respectively：(1) low-speed mode transmission rate is 1.5 MBPSs, are used for keyboard and mouse；(2) Full-Speed mode transmission rate is 12 MBPSs；(3) fast mode Transmission rate is 480 MBPSs.

However, with the development of electronics industry, the transmission rate of USB 2.0 can not meet the hair of some electronics industries Exhibition is required, for example, in the case where audio or video is transmitted, in order to ensure signal transmission quality, transmission rate is often as high as 1G To 2G (1G=1000 megabits) per second.To adapt to transmission rate higher, the interface specifications of USB 3.0 come out therewith.

A kind of micro coaxial cable connector assembly has as shown in China's Mainland patent the CN101997199Bth there is disclosed one kind The Powered-B type USB3.0 micro coaxial cable connector assemblies of higher transmission rates, the micro coaxial cable connector assembly includes insulating body, position In some terminals in insulating body and the shielding casing being surrounded on outside insulating body, due to Sheet Metal Forming Technology limitation, shielding casing Can not completely enclose, can so cause electromagnetic interference phenomenon, influence effective transmission of signal.

Therefore, it is necessory to be improved to solve drawbacks described above of the prior art to electric coupler component.

【The content of the invention】

A kind of the electric coupler component of electromagnetic interference is effectively prevented it is a primary object of the present invention to provide.

To achieve these goals, electric coupler component of the present invention is adopted the following technical scheme that：A kind of electric coupler component, It includes insulating body, some conducting terminals being contained in the insulating body, is electrically connected at some conducting terminals The cable of rear end, the baffle for being wrapped in insulating body outside and the cable front end, to be coated on the masking external Copper Foil, take shape in the insulation inner membrance in the baffle and be overmolded in the insulating bag of the baffle rear end and the Copper Foil Body is covered, there is breach on the rear end of the baffle, the insulation inner membrance includes the cladding cable and the conducting terminal The covering portion of junction and the supporting part extended rearwardly to form from the covering portion, the supporting part take shape in the indentation, there simultaneously Support the Copper Foil.

To achieve these goals, electric coupler component of the present invention is also adopted the following technical scheme that：A kind of electric connector group Part, it includes insulating body, some conducting terminals being contained in the insulating body, is electrically connected at some conducting ends The cable of sub- rear end, the baffle for being wrapped in insulating body outside and the cable front end, to be coated on the masking external Copper Foil, the insulation inner membrance taken shape in the baffle, the insulation that is overmolded in the baffle rear end and the Copper Foil Cladding, the baffle includes the first baffle and the second baffle, and first baffle is provided with the base positioned at its front end Portion, positioned at its rear end caulking part and connect the cantilever of the base portion and caulking part, the caulking part and the base portion, described the There is breach, the insulation inner membrance includes the cladding of the cladding cable and the junction of the conducting terminal between two baffles Portion and the supporting part extended rearwardly to form from the covering portion, the supporting part take shape in the indentation, there and support the copper Paper tinsel.

Compared with prior art, electric coupler component of the present invention has the advantages that：Copper Foil can in electric coupler component Effectively to prevent electromagnetic interference, insulation inner membrance is effectively supported to Copper Foil, prevents the Copper Foil in profiled insulation cladding from being pressed Damaged bad, Copper Foil can be better achieved prevents electromagnetic interference function.

【Brief description of the drawings】

Fig. 1 is the three-dimensional assembly diagram of electric coupler component of the present invention.

Fig. 2 is the front view of electric coupler component shown in Fig. 1.

Fig. 3 is the three-dimensional exploded view of electric coupler component shown in Fig. 1.

Fig. 4 is the enlarged drawing of insulating body in electric coupler component shown in Fig. 3, terminal and dividing plate.

Fig. 5 is another angular views of electric coupler component shown in Fig. 3.

Fig. 6 is the enlarged drawing of insulating body in electric coupler component shown in Fig. 5, terminal and dividing plate.

Fig. 7 is the three-dimensional assembly diagram of the terminal in electric coupler component shown in Fig. 1.

Fig. 8 is another angular views of terminal shown in Fig. 7.

Fig. 9 is the assembling figure of the terminal of electric coupler component shown in Fig. 1, dividing plate and cable.

Figure 10 is another angular views of Fig. 9.

Figure 11 is the part assembling figure of electric coupler component shown in Fig. 1.

Figure 12 is the further assembling figure of electric coupler component shown in Figure 11.

Figure 13 is another angular views of electric coupler component shown in Figure 12.

Figure 14 is the further assembling figure of electric coupler component shown in Figure 13.

Baffle is assembled in the part assembling figure of electric coupler component when Figure 15 is unformed insulation inner membrance.

【Specific embodiment】

Refer to shown in Fig. 1 to Figure 12, electric coupler component of the present invention 100 includes insulating body 1, is contained in insulating body Some conducting terminals 2,3 in 1, it is assembled in the dividing plate 4 of the rear end of insulating body 1, is electrically connected at the line of the conducting terminal 2,3 Cable 5, be wrapped in the conducting terminal 2,3 and cable 6 electrical connection part insulation inner membrance 6, be surrounded on outside insulating body 1 Baffle 9, is wrapped in the Copper Foil 7 at the rear portion of baffle 9, is overmolded in the insulating wrapped body 8 of the rear end of baffle 9 and Copper Foil 7.Institute Stating conducting terminal 2,3 includes some the first terminals 2 and some Second terminals 3.Electric coupler component 100 has to be folded along the vertical direction The host cavity 120 and receiving space 110 put are added, conducting terminal 2,3 includes contact site and weld part, some Second terminals 3 Contact site be contained in receiving space 110, the contact site of some the first terminals 2 is contained in host cavity 120.

Refer to shown in Fig. 3 to Fig. 6, insulating body 1 includes that main part 11, the top of main body 11 are extended rearwardly to form Extension 12.Main part 11 is provided with the receiving space 110 extended along abutting direction for being enclosed by four walls and setting and formed, receiving space The inner surface of 110 roof, bottom wall and side wall is respectively equipped with the second cavities 112 of some accommodating second terminals 3, wherein pushing up Wall is provided with two the second cavities 112, and bottom wall is provided with three the second cavities 112, and two side is respectively provided with one second receipts Hold passage 112, second cavities of grade 112 extend to the rear end face of main part 11 from front to back.The main body of extension 12 11 upper tables extend back form upwardly, and constitute stairstepping with main part 11.It is provided with through its front and rear surfaces in extension 12 Collecting the first terminal 2 the first accepting groove 122, and the front end of the first accepting groove 122 lies along the upper surface of main part 11.

Please join shown in Fig. 4 to Fig. 8, some the first terminals 2 are used to transmit high speed signal, and including two pairs of difference signal terminals And a ground terminal, one pair of which difference signal terminal is used to export high speed signal in two pairs of difference signal terminals, and It is another that difference signal terminal is used to receive high speed signal.Ground terminal is located between two pairs of difference signal terminals, is used to reduce The crosstalk that difference signal terminal is produced when high speed signal is transmitted.Every the first terminal 2 includes the contact site 21 of elasticity, welding Portion 23 and the connecting portion 22 of connection contact site 21 and weld part 23.Weld part 23 is arranged in a row in the horizontal direction, the first terminal 2 In outermost two pairs of terminals weld part 23 relative to outside spacing of the skew to increase between weld part 23 of contact site 21.The One terminal 2 is contained in the first cavities 122 of insulating body 1.

As shown in Fig. 2 to Fig. 8, each in Second terminal 3 includes contact site, weld part and connection contact site and weldering The connecting portion of socket part.Second terminal 3 includes negative signal terminal 3a, power supply terminal 3b, positive signal terminal 3c, ground terminal 3d, letter Number detecting or signal control terminal 3e, additional ground terminal 3f, additional power terminals 3g.

Wherein, the generally tabular of negative signal terminal 3a and power supply terminal 3b, it includes flat contact site 31a, 31b, with contact site 31a, weld part 33a, 33bs of the 31b in same level, connects contact site 31a, 31b and welding respectively The connecting portion 32a, 32b of portion 33a, 33b.It is straight that weld part 33a, 33b deviate contact site 31a, 32b place in left-right direction respectively Line, weld part 33a, spacing between 33b more than contact site 31a, 31b in order to the assembling of Second terminal 3 and its with cable 5 Welding.Positive signal terminal 3c and ground terminal 3d include flat plate-like contact portion 31c, 31d respectively, and along contact site 31c, 31d is upward Bending backward extends connecting portion 32c, the 32d for being formed, along connecting portion 32c, the weld part 33c that 32d bendings are extended rearwardly to form, 33d, weld part 33c, 33d are with weld part 33a, 33b at grade.Signal detection or signal control terminal 3e include flat board The contact site 31e of shape, the connecting portion 32e being bent to form backward upwards along contact site 31e, extend back along connecting portion 32e bendings The weld part 33e of formation, weld part 33e and weld part 33c, 33d are not at grade.Additional ground terminal 3f and additional electrical Source terminal 3g includes vertical plate-like contact site 31g, 31f respectively, and along contact site 31g, the lower surface of the rear end of 31f is respectively to centre Bending extends the weld part 33g, 33f that are formed and the connecting portion 32g for connecting contact site 31g, 31f and weld part 33g, 33f respectively, 32f.Weld part 33g, 33f are in the same plane with weld part 33e.

As shown in Fig. 7 and Figure 10, during assembling Second terminal 3, see from front to back, power supply terminal 3b's and negative signal terminal 3a Contact site 31b, 31a are sequentially distributed the inner side of the roof in receiving space 110 from left to right；Ground terminal 3d, signal detection or The contact site 31d, 31e, 31c of signal control terminal 3e and positive signal terminal 3c are sequentially distributed in receiving space 110 from left to right Bottom wall inner side, the contact site 31d, 31c of ground terminal 3d and positive signal terminal 3c are located at signal detection or signal control respectively The both sides of terminal 3e processed；It is empty that the contact site 31g, 31f of additional power terminals 3g and additional ground terminal 3f are distributed in collecting respectively Between 110 two side.The front end face of the contact site 31e of signal detection or signal control terminal 3e compared to positive signal terminal 3c and Front end face of the front end face of the contact site 31c, 31d of ground terminal 3d closer to insulating body 1.

See from back to front, seven welding portions of Second terminal 3 are into upper and lower two row, negative signal terminal 3a, positive signal terminal The weld part 33a, 33c, 33d, 33b of 3c, ground terminal 3d and power supply terminal the 3b rows of being arranged in successively from left to right；It is additional to connect The weld part 33f, 33e, 33g of ground terminal 3f, signal detection or signal control terminal 3e and additional power terminals 3g are from left to right Lower row is arranged in successively.

Dividing plate 4 is assembled in the rear end of insulating body 1, and it includes upper spacer 41 and the lower clapboard with the mutually assembling of upper spacer 41 42.Lower clapboard 42 is assembled in the rear end of main part 11 of insulating body 1, some locating dowels 421 of the outwardly formation of its front end face, The rear end of the main part 11 of insulating body 1 is provided with location hole 114 corresponding with the locating dowel 421, the rear end face of lower clapboard 42 The limited block coordinated with upper spacer 41 to be formed is upwardly extended for stair-stepping two step surfaces and along the leading edge of terrace of appearing on the stage 422, two step surfaces are respectively equipped with the welding groove 423 of the weld part 33 of some accommodating second terminals 3.Upper spacer 41 is assembled in insulation The rear end of extension 12 of body 1 and the upper end of lower clapboard 42, the upper surface of upper spacer 41 is protruding upward to form locating piece 412, its Lower surface is provided with some welding grooves 413 of the weld part 23 of some collecting the first terminals 2, the extension 12 on insulating body 1 The lower surface of rear end is provided with the dovetail groove 121 for housing the locating piece 412, in the present embodiment, locating piece 412 and dovetail groove 121 is trapezoidal.

Baffle 9 is made and for metal material including can mutually hold first baffle 91 and the second baffle of cooperation 92.Second baffle 92 includes the drawer shape portion 921 for being located at the tube 920 of front end and being extended back by tube 920, wherein The section of tube 920 is in "convex" shaped.First baffle 91 can be fastened at the drawer shape portion 921 of the rear end of the second baffle 92, And first baffle 91 be provided with base portion 911 positioned at its front end, caulking part 912 and connection base portion 911 and riveting positioned at its rear end The cantilever 913 of socket part 912, the front end of the wherein two side of base portion 911 is provided with a pair of shell fragments 9110.Caulking part 912 and base portion 911, Breach 10 is provided between drawer shape portion 921, base portion 911 is connected with caulking part 912 by the part of cantilever 913.

Cable 5 includes three row's wires, and the diameter between three row's wires is differed, and diameter subtracts three row's wires successively from top to bottom It is small, respectively marked as 51,52,53.In an actual embodiment, often the specific diameter dimension of row's wire 51,52,53 is not necessarily complete Identical, we press nearby principle, by diameter it is close be put into same row.See from back to front, first row wire 51 and the first terminal 2 Weld part 23 be connected, be used to transmit USB3.0 signals；Second row wire 52 from left to right respectively with the upper row of Second terminal 3 Weld part 33a in weld part, 33c, 33d, 33b are connected, the 3rd row's wire 53 to it is right respectively with the lower row of Second terminal 3 Weld part 33f in weld part, 33e, 33g are connected.Due to by the close arrangements of conductors of diameter of wire in a row, thus side Just cable 5 and conducting terminal 1, the automatic welding between 2.

Because the baffle 9 in the present invention is punching structure, there is larger lacking because of the limitation of Sheet Metal Forming Technology in its rear end Mouthfuls 10, therefore its rear end coated just to reach using Copper Foil 7 and good prevents electromagnetic interference effect.Breach 10 is closed on Copper Foil 7 It is spaced between part and cable 5, do not fit together, there is hollow space between the two, no supporting construction can be propped up Support Copper Foil 7, therefore, the pressure in profiled insulation cladding 8 can cause Copper Foil 7 to be crushed, and have a strong impact on the anti-electromagnetism of Copper Foil 7 Interference function, it is therefore desirable to before baffle 9 is assembled, conducting terminal 2,3 and the junction of cable 5 and Copper Foil 7 and cable 5 it Between hollow space in profiled insulation inner membrance 6, supporting part 62 effectively supported to Copper Foil 7, it is ensured that Copper Foil 7 can be better achieved Anti- electromagnetic interference performance.

Please join shown in Figure 15, insulation inner membrance 6 is integrally formed, including coats the connection of the terminal 2,3 of cable 5 and first, second The covering portion 61 at place and the conical support portion 62 extended rearwardly to form from covering portion 61.Wherein supporting part 62 takes shape in indentation, there 10, so that supporting part 62 is effectively supported to Copper Foil 7, so as to prevent Copper Foil 7 during profiled insulation cladding 8 to be crushed.

Copper Foil 7 includes the stem portion 71 at cladding baffle 9 rear portion, is extended back from the bending of stem portion 71 and is coated in insulation The cable cover 73 of kink 72 and the cladding cable caulking part 912 extended back from kink 72 outside the supporting part 62 of film 6.

Insulating wrapped body 8 is formed in one and forms, and is coated on the outside of baffle 9, Copper Foil 7 and cable 5.

Please join shown in Fig. 1 to Figure 14, during assembling, the first terminal 2 is first assembled in insulating body 1 corresponding first and houses logical In road 122, as it was previously stated, Second terminal 3 is divided into three rows, corresponding second cavities 112 of insulating body 1 are assembled in respectively It is interior.Dividing plate 4 is assembled in the rear end of insulating body 1, and the weld part 23,33 of first, second terminal 2,3 is lined up two rows, is each passed through The upper spacer 41 of dividing plate 4, lower clapboard 42 is simultaneously contained in corresponding weld part 413,423.51,52,53 points of three row's wire of cable 5 It is not contained in corresponding weld part 413,423, and mutually welded with corresponding first, second terminal 2,3.

Insulating body 1 is assembled in the second baffle 92 again, the upper wall of the second baffle 92 and the main body of insulating body 1 The upper surface in portion 11 is collectively forming a host cavity 120, and the host cavity 120 is located at the upside of the top of receiving space 110, and first end Son 2 is located in the host cavity 120, and Second terminal 3 is located in receiving space 110.First baffle 91 is assembled in the second baffle 92 rear portions, insulation inner membrance 6 takes shape in the junction of first, second terminal 2,3 and cable 5, and first, second baffle 91,92 will Insulating body 1, insulation inner membrance 6 and the front end of cable 5 wrap up.Aluminium foil 7 is coated on the rear end of baffle 9, insulation outer cladding body 8 It is shaped in the outside of baffle 9, aluminium foil 7 and cable 5.

In present embodiment, the first terminal 2 is the terminal of the transmission signals of USB 3.0, the power supply terminal in Second terminal 3 3b, positive signal terminal 3c, negative signal terminal 3a and ground terminal 3d are the terminal for transmitting the signals of USB 2.0.Second terminal 3 includes A piece signal detection or signal control terminal 3e, can be set by the terminal to the outside being connected with this electric coupler component 100 The special instruction of standby transmission, reaches the unique need of client.Before the contact site 31e of the signal detection or signal control terminal 3e End face, closer to the front end face of insulating body 1, is so conducive to signal detection compared to positive signal terminal 3c and ground terminal 3d Or signal control terminal 3e takes the lead in being contacted so as to transmit dependent instruction with external equipment.In present embodiment, the weldering of Second terminal 3 Socket part is scattered in two rows, and cable 5 is divided into three rows and is connected with the first terminal 2 and Second terminal 3 respectively by diameter thickness, so not only Facilitate cable 5 and conducting terminal 2, the automatic welding between 3, and can effectively reduce electromagnetic interference.

In present embodiment, Copper Foil 7 can effectively prevent electromagnetic interference in electric coupler component, while the inner membrance 6 pairs that insulate Copper Foil 7 is effectively supported, and prevents the Copper Foil 6 in profiled insulation cladding 8 to be crushed, and the anti-of Copper Foil 7 can be better achieved Only electromagnetic interference function.

Claims (9)

1. a kind of electric coupler component, it includes insulating body, some conducting terminals being contained in the insulating body, electrically The cable of some conducting terminal rear ends is connected to, being wrapped in the masking of insulating body outside and the cable front end Body, it is coated on the external Copper Foil of the masking, the insulation inner membrance taken shape in the baffle and is overmolded in the masking Insulating wrapped body outside body rear end and the Copper Foil, has breach on the rear end of the baffle, it is characterised in that：The insulation Inner membrance includes that the cladding cable is extended rearwardly to form with the covering portion of the junction of the conducting terminal and from the covering portion Supporting part, the supporting part takes shape in the indentation, there and supports the Copper Foil, and the Copper Foil includes the cladding baffle The stem portion at rear portion, from the stem portion bending extend back be coated on it is described insulation inner membrance supporting part outside kink and from The cable cover that the kink extends back.

2. electric coupler component as claimed in claim 1, it is characterised in that：The supporting part is cone.

3. electric coupler component as claimed in claim 1, it is characterised in that：The conducting terminal include some the first terminals and Some Second terminals, each described conducting terminal includes contact site and weld part, and the electric coupler component has vertically Host cavity and receiving space that direction superposition is set, the contact site of the Second terminal in the receiving space, described the The contact site of one terminal, in host cavity, with four walls in the receiving space, including is roof, bottom wall and two side, institute Stating Second terminal includes the contact portion of a signal detection or signal control terminal, the signal detection or signal control terminal It is distributed on the receiving space bottom wall.

4. electric coupler component as claimed in claim 3, it is characterised in that：The Second terminal also includes power supply terminal, just The contact site of signal terminal, negative signal terminal and ground terminal, the power supply terminal and negative signal terminal is distributed in the top The contact site of the inner side of wall, the positive signal terminal and ground terminal is distributed in the inside bottom wall and is detectd positioned at the signal Survey or signal control terminal contact site both sides, the front end face of the signal detection or signal control terminal contact site compared to Front end face of the front end face of the positive signal terminal and the ground terminal contact portion closer to the insulating body.

5. electric coupler component as claimed in claim 4, it is characterised in that：The Second terminal also includes additional power terminals With additional ground terminal, the contact site of the additional power terminals and additional ground terminal is distributed in the receiving space respectively Two side.

6. electric coupler component as claimed in claim 5, it is characterised in that：The welding portion of the Second terminal is into upper and lower Row, the weld part of the negative signal terminal, positive signal terminal, ground terminal and power supply terminal is arranged in successively from left to right Row, the weld part of the additional ground terminal, signal detection or signal control terminal and additional power terminals is from left to right successively It is arranged in lower row.

7. electric coupler component as claimed in claim 6, it is characterised in that：The cable includes three row's wires, three row's wires Diameter differ, diameter is sequentially reduced the three rows wire from top to bottom, the welding of first row wire and the first terminal Portion is connected, and second row wire is connected with upper row's weld part of the Second terminal, the 3rd row's wire and the Second terminal Lower row's weld part be connected.

8. electric coupler component as claimed in claim 1, it is characterised in that：The baffle includes mutually holding cooperation First baffle and the second baffle, the second baffle include the drawer for being located at the tube of front end and being extended back by tube Shape portion.

9. a kind of electric coupler component, it includes insulating body, some conducting terminals being contained in the insulating body, electrically The cable of some conducting terminal rear ends is connected to, being wrapped in the masking of insulating body outside and the cable front end Body, it is coated on the external Copper Foil of the masking, the insulation inner membrance taken shape in the baffle, is overmolded in the baffle Rear end and the insulating wrapped body of the Copper Foil, the baffle include the first baffle and the second baffle, first masking Body is provided with the base portion positioned at its front end, positioned at the caulking part and the cantilever of the connection base portion and caulking part of its rear end, the riveting There is breach between socket part and the base portion, second baffle, it is characterised in that：The insulation inner membrance includes that cladding is described The supporting part that cable is extended rearwardly to form with the covering portion of the junction of the conducting terminal and from the covering portion, the support Portion takes shape in the indentation, there and supports the Copper Foil, and the Copper Foil includes the stem portion at the cladding baffle rear portion, from institute State stem portion bending extend back be coated on it is described insulation inner membrance supporting part outside kink and prolong backward from the kink The cable cover stretched.