CN104022404B - Electric connector - Google Patents

Abstract

The invention discloses an electric connector used to be mounted on an external circuit board so as to mutually match with a butt joint connector; the electric connector comprises a plurality of module sheets transversely stacked and arranged; each module sheet comprises a conductive sheet, a plurality of terminals contained in the conductive sheet, and isolation pieces used for isolating terminal partial portions from the conductive sheets; the conductive sheet is provided with a plurality of mounting grooves so as to contain the corresponding isolation pieces; the mounting groove is provided with a pair of side walls approximately parallel with each other and a bottom wall positioned between the two side walls; a partial portion of the side wall of the mounting groove recesses and is provided with a card slot in a direction parallel with the bottom wall; the isolation piece is provided with a rib matched with the card slot and protruding outwards; the rib is clamped in the card slot in an interference cooperation mode so as to hold the isolation piece in the mounting groove, thereby reliably isolating the terminals from the conductive sheet.

Description

Electric connector

【Technical field】

The present invention relates to a kind of electric connector, the more particularly, to electric connector of communication field.

【Background technology】

The U.S. Patent No. of Granted publication of on November 9th, 2004 US6814619 discloses a kind of electric coupler component, should Electric coupler component includes the public connector and female connectors that are mutually butted.The public connector includes insulative base and is arranged on Some terminal modules in insulative base.Each terminal module includes some signal terminals and installation in insulative base Some earthing members in insulative base.The female connectors by some embedded signal terminals the first insulating body and some bury If the second insulating body stacked spaced apart of ground strip is formed, each ground strip and each earthing member attempt to U-shaped structure will be corresponding Signal terminal is shielded from three faces.Contact with each other the region of cooperation in Male/female connector, because terminal contacting portions should have There is certain elasticity and require there is certain free degree, the shield effectiveness on periphery is not as the shield effectiveness in transmission path.

On March 23rd, 2004, the U.S. Patent No. US 6,709,294 of Granted publication disclosed a kind of electric connector group Part, the electric coupler component includes public connector and the female connectors coordinated with public connector.The female connectors include insulation Body and some terminal modules on insulating body, each terminal module include some signal terminals, are integrally formed in letter Insulating part on number terminal and the conductive plastic part being integrally formed on insulating part, conductive plastic part is by insulating materials Addition conductive material is mixed, and the function of the shielding piece in terminal module is unsatisfactory as an alternative, and for signal end For son, the conductive plastic that the preceding case is disclosed does not provide completely enclosed shielding on the path of whole signal terminal.

On October 29th, 2002, the U.S. Patent No. US 6,471,549 of Granted publication disclosed a kind of electric connector group Part, it includes the public connector and female connectors that cooperate, and the public connector includes that signal terminal and three bread enclose signal The grounding parts of the " u "-shaped of terminal, the female connectors include some terminal modules, and each terminal module includes the body of insulation, peace Some signal terminals mounted in body side and the flat ground strip installed in body opposite side, on the ground strip Some spaced walls extended to side are provided with, signal terminal is divided into some right by the spaced walls, after Male/female connector coordinates, institute State the auxiliary section of the common signal terminal that will be engaged of ground strip of grounding parts and the female connectors of the " u "-shaped of public connector on four sides Surround ground shielding.But the other parts of the signal terminal of Male/female connector are not shielded with surrounding by four sides.

Above prior art is desirable to set shielding protection on the difference signal terminal periphery of transmission high-frequency signal, is not difficult Find out, in the contact area of male and female connector interworking, it is more difficult to realize preferably shielding and insulation, therefore, need to be improved.

【The content of the invention】

The technical problems to be solved by the invention are：There is provided a kind of shield effectiveness it is good, especially contact site shielding and absolutely Edge electric connector reasonable in design.

To solve the above problems, the present invention provides a kind of electric connector, can be used to be attached on a external circuit board and with Butt connector interworking, electric connector includes some module pieces of laterally stacked setting, and each module piece includes a conductive plate, transverse direction It is contained in some to terminal and the insulating part for being molded over outside each pair of terminal and being arranged in conductive plate of conductive plate side, terminal One end is extended insulating part and is provided with the docking section in electrical contact with butt connector, and the module piece is also included the docking of terminal The separator that portion is dielectrically separated from conductive plate, conductive plate side is provided with some grooves and mounting groove being mutually communicated, groove and peace Tankage is respectively used to house aforementioned dielectric part and separator, mounting groove have almost parallel a pair of sidewalls and positioned at two side it Between bottom wall, the side wall of mounting groove is provided with the draw-in groove parallel to bottom wall, and separator protrudes above the fin for being provided with and coordinating with draw-in groove, Fin is contained in draw-in groove along the direction parallel to installation groove bottom wall by way of interference engagement and is fixed on peace with by separator In tankage.

The center section of every a pair of terminal is taken shape in insulating part by insulating materials, and the groove has with insulating part substantially Identical profile is used to house insulating part.

The terminal other end extends insulating part and is provided with installation portion, and terminal is also included for connecting docking section and installation portion Pars intermedia, the docking section is contained in mounting groove and is electrically insulated with conductive plate by separator, and pars intermedia takes shape in insulation It is electrically insulated with conductive plate by insulating part in part.

Conductive plate in be provided with mounting groove opposite side correspondence mounting groove position be provided with boss, the conductive plate where boss with Boss is protruded out to and set face-to-face with separator in mounting groove when adjacent plate is stacked.

The boss is in electrical contact with butt connector.

Electric connector also includes some laminar earthing members for being separately mounted to and being closed on each conductive plate and by groove, ground connection Part is formed in electrical contact with conductive plate so that groove constitutes the shielding passage of a border seal.

The conductive plate is provided with the installing frame for installing earthing member, and installing frame is with simultaneously court leads with earthing member identical profile The depth of vertical recess one in electroplax, the thickness of the earthing member is not more than the depth of installing frame.

Conductive plate lower section opens up some slits for extending transversely through conductive plate, and electric connector also includes some thin-and-longs flake Ground connection bridge, the ground connection bridge includes being housed in slit with by the connecting portion and downward from connecting portion of the horizontal concatenation of each conductive plate The some installation feet for extending, installation foot is used to for each conductive plate to be electrically connected to the external circuit board.

Conductive plate also includes the lower edge that circuit board the is set towards the outside upper limb relative with lower edge and connection upper limb and lower edge Leading edge and trailing edge, the mounting groove is set from leading edge guide electroplax sunken inside, and conductive plate is respectively equipped with upper limb and trailing edge Clamping fin, electric connector also includes a laminar keeper, and the keeper extends phase along the trailing edge and upper limb of conductive plate A rear wall and a upper wall should be included, the rear wall and upper wall offer the support slot of the corresponding clamping fin of some collectings, retaining piece Width it is roughly the same with the thickness of all conductive plate heap poststacks, each module piece by by clamping fin be held in support slot with Realize being fixed as one laterally alignedly.

The thickness of the clamping fin is less than the thickness of conductive plate, and the conductive plate also includes that the clamping for being arranged on upper limb is convex Covering lid above rib, covering lid covers the support slot of keeper upper wall, transverse width and the conduction of the covering lid from top Plate thickness is roughly the same.

Compared to prior art, the signal terminal of electric connector of the present invention is completely shielded in whole transmission path, is carried The shield effectiveness of electric connector high, especially in the contact area with butt connector interworking, realize effective shielding with it is exhausted Edge, for the stabilization transmission of high-frequency signal provides more preferable condition.

【Brief description of the drawings】

Fig. 1 is the stereogram for meeting electric connector of the invention.

Fig. 2 is the optical cable of electric connector shown in Fig. 1.

Fig. 3 is the exploded view of module piece shown in Fig. 2.

Fig. 4 is the exploded view at another visual angle of module piece shown in Fig. 3.

Fig. 5 is the stereogram of conductive plate shown in Fig. 3 and another visual angle of separator.

Fig. 6 is the stereogram of terminal assemblies shown in Fig. 4.

Fig. 7 is the front view of terminal assemblies shown in Fig. 6.

Fig. 8 is the front view of terminal shown in Fig. 7.

Fig. 9 is sectional view respectively along each hatching shown in Fig. 7.

Figure 10 is the embodiment schematic diagram of the other modes of insulating part shown in Fig. 9 (B).

【Specific embodiment】

As shown in Figures 1 and 2, to meet electric connector of the invention 100, the electric connector 100 is used to be attached to Worked in coordination with butt connector (not shown) on one the external circuit board (not shown), electric connector 100 includes laterally stacked setting The some module pieces 12 put, for the laminar keeper 11 that each module piece 12 is fixed as one, are separately mounted to module piece Earthing member 15 on 12, installed in some separators 16 and the module piece 12 after stacking of each front end of module piece 12 The thin-and-long flake ground connection bridge 17 of lower section, electric connector 100 in the present embodiment is right-angled connector, therefore keeper 11 It is preferably designed so that in laterally " L " shape with one fixed width, each module piece 12 keeps together from adjacent both sides, and The width of the transverse direction of keeper 11 thickness total after being stacked with all module pieces 12 is roughly equal.

As in Figure 3-5, module piece 12 includes a conductive plate 120, the terminal assemblies 30 being housed in conductive plate 120, institute State terminal assemblies 30 include it is some to difference signal terminal 4 and be molded over the insulating part 3 of the middle part of each difference signal terminal 4, Insulating part 3 be molded in each difference signal terminal 4 by insulating materials relative position between fixing terminal and by difference letter Number effect isolated insulated with conductive plate 120 of terminal 4.In the present embodiment, conductive plate 120 is first passed around and is molded by insulating materials The inside of desired profile is provided, is then made in the in-profile electroplating surface metal material, it is clear that conductive plate 120 may be used also Being, by metal casting, or to add the modes such as certain density conductive particle and be made in the plastic cement that insulate.

Conductive plate 120 is, with certain thickness sheet, for being vertically mounted to the external circuit board (not shown), to lead Electroplax 120 includes the lower edge 123 that circuit board the is set towards the outside upper limb 122 relative with lower edge 123 and connection upper limb and lower edge Leading edge 121 and trailing edge 124.

The conductive plate 120 is provided with clamping fin 1221 on upper limb 122, and the lower section of edge 124 rearward on edge 124 behind Be provided with clamping fin 1241 and be provided with clamping fin 1242 by the top, foregoing keeper 11 along conductive plate 120 trailing edge 124 and on Edge 122 extends correspondingly includes a rear wall 112 and a upper wall 111, and insertion is provided with collecting correspondence trailing edge 124 on the rear wall 112 The support slot 1121 of clamping fin 1241 and the support slot 1122 of correspondence clamping fin 1242 is housed, the support slot 1122 can be from Rear wall 112 extended to and can also be positioned only on rear wall 112 on upper wall 111；The upper wall 111 is provided with collecting correspondence upper limb 122 The support slot 1110 of clamping fin 1221, the support slot 1110 is open forward and horizontal together with other support slots 1121 and 1122 Hold a conductive plate 120 respectively to being arranged in array on keeper 11, therefore, each module piece 12 can by respectively from The front of keeper 11 snaps in keeper 11, to realize laterally aligned being fixed as one.

The conductive plate 120 also includes being arranged on the covering lid 1222 of the top of 122 clamping fin of upper limb 1121, covering lid 1222 are higher by 122 1 distances of the thickness of keeper 11 of upper limb, and its transverse width is roughly the same with the thickness of conductive plate 120, because This can cover the support slot 1110 on the upper wall 11 of keeper 11 from top, be additionally provided with the upper limb 122 of conductive plate 120 and extended in Edge clipping 1223 between leading edge 121 and covering lid 1222, the edge clipping 1223 alignd in the height direction with covering lid 1222 but It is narrower than the thickness of the i.e. conductive plate 120 of width of covering lid 1222 in transverse direction, the conductive plate 120 is also on its lower edge 123 Be provided with is used to guide electric connector 100 to be alignd with butt connector with edge clipping 1232, edge clipping 1223 and edge clipping 1232.

As described above, conductive plate 120 is sheet, it has the first side 128 and second side 129 being oppositely arranged, the One side 128 is provided with mounting groove 1281 and the groove 1282 with the insertion of mounting groove 1281, groove 1282 from first side 128 to the sunken inside of conductive plate 120, with the profile roughly the same with the profile of insulating part 3 housing insulating part 3 or terminal assemblies 30, mounting groove 1281 is located at and is used to house aforesaid spacer members 16 with the identical first side 128 of groove 1282.As described above, poor The center section of sub-signal terminal 4 is molded on insulating part 3, and the center section is defined as pars intermedia 403, and insulation is stretched out at two ends The part of part 3 is respectively defined as installation portion 401 and docking section 402, i.e. difference signal terminal 4 includes the docking section being oppositely arranged 402 and installation portion 401, and for connecting the pars intermedia 403 of docking section 402 and installation portion 401, the difference signal terminal 4 Docking section 402 be contained in mounting groove 1281 and be electrically insulated with conductive plate 120 by separator 16, pars intermedia 403 takes shape in It is electrically insulated with conductive plate 120 by insulating part 3 in insulating part 3.

To reduce the space that electric connector 100 takes, further, peace is additionally provided with the first side 128 of conductive plate 120 Fill the installing frame 1283 of foregoing earthing member 15, installing frame 1283 has with the identical profile of earthing member 15 and towards in conductive plate 120 The depth of vertical recess one, the thickness of the earthing member 15 is not more than the depth of installing frame 1283, it is preferable that the depth and earthing member 15 thickness is equal, therefore is originally embodiment, is mounted with conductive plate 120 after earthing member 15, the thickness of whole module piece 12 , without changing, still the thickness with conductive plate 120 is identical for degree.A holding hole 1284, the holding hole are additionally provided with installing frame 1283 1284 are recessed perpendicular to first side 128 to continuation in conductive plate 120, usually a slit-shaped.Earthing member 15 include it is local to The retaining sheet 152 vertically extended in conductive plate 120, retaining sheet 152 is provided with for being fallen with the interference engagement of holding hole 1284 Thorn 1520, retaining sheet 152 is housed in holding hole 1284 and is fixed on conductive plate 120 with by earthing member 15, it is clear that holding hole 1284 can also be designed to poroid, and correspondingly, retaining sheet 152 then may be designed to the various shapes such as column or sheet, with can quilt Holding hole 1284 is closely housed and is defined.

Earthing member 15 is attached on conductive plate 120 from first side 128, is arranged on the groove 1282 in first side 128 Part 15 is grounded laterally to cover, therefore groove 1282 constitutes a passage with earthing member 15, due to the surface conductance of conductive plate 120, Earthing member 15 is that sheet metal is constituted, therefore earthing member 15 forms the shielding to form a border seal in electrical contact with body 12 Passage, surrounding can be shielded well after the difference signal terminal 4 being retained in insulating part 3 is housed in groove 1282, phase Cross talk effects between adjacent difference signal terminal 4 will be reduced optimal state.

The mounting groove 1281 be from leading edge 121 to conductive plate 120 in and from first side 128 as in conductive plate 120 Depression is set, and it has opening as groove 1282 in first side 128, but will not be covered by above-mentioned earthing member 15.Peace Tankage 1281 has almost parallel a pair of sidewalls 1286 and the bottom wall 1287 between two side 1286, mounting groove 1281 Side wall 1286 is protruded above and is provided with and draw-in groove along the draw-in groove 1285 for being provided with parallel to bottom wall direction local dent " V " shape, separator 16 1285 fins 161 for coordinating and the containing cavities 162 of the foregoing docking section 402 of difference signal terminal 4 of collecting, fin 161 is by dry The mode for relating to cooperation is fastened in draw-in groove 1285 so that separator 16 is immobilizated in mounting groove 1281.Difference signal terminal 4 it is right Socket part 402 be used in being housed in containing cavities 162 in the form of the cantilever beam and butt connector on signal terminal coordinate, docking section 402 root (non-label) contacts with containing cavities 162, and the end (non-label) coordinated with butt connector will not contact receipts all the time Receive the bottom wall 1287 in chamber.

The conductive plate 120 is in the opposite side of the first side 128 for being provided with mounting groove 1281, i.e. second side 129 The position of correspondence mounting groove 1281 is provided with boss 1291, convex when the stack of some conductive plates 120 is when being attached on keeper 11 Platform 1291 is extended in the mounting groove 1281 of another conductive plate 120 of adjacent stacks and set face-to-face with separator 16.Boss 1291 parts for belonging to conductive plate 120, therefore also there is conductive surface, leading edge 121 of the boss 1291 near conductive plate 120 Place is provided with chamfering 1292, and the chamfering 1292 is used to guide and the ground terminal (not shown) on butt connector and boss 1291 And conductive plate 120 is in electrical contact, instead of the ground terminal that should be arranged on originally in electric connector 100.

It is additionally provided with the lower edge 123 of the conductive plate 120 and some extends transversely through conductive plate 120 and downwardly open slit 1231, and the protrusion edge 1230 for extending downwardly, the protrusion edge 1230 is positioned at lower edge 123 near the position of leading edge 121, protrusion The local continuation of edge 1230 is downwardly projecting to be provided with foregoing edge clipping 1232.The also ground connection bridge 17 including some thin-and-longs of electric connector 100, The ground connection bridge 17 is platelet-like metal, including is housed in slit 1231 connecting portion so that each conductive plate 120 laterally to be concatenated 170, and some installation feet 171 extended downwardly from connecting portion 170, installation foot 171 is for each conductive plate 120 to be electrically connected with To the external circuit board, therefore, the length of bridge 17 is grounded at least not less than the transverse width after all module pieces 12 stacking, both Relation is advisable with being grounded the module piece 12 that bridge 17 is not exposed outside after stacking.

As illustrated in figures 6-10, difference signal terminal 4 include the first terminal 41 and Second terminal 42, the first terminal 41 with Second terminal 42 with the docking section 402 and installation portion 401 being oppositely arranged and is connected to docking section 402 and installation portion respectively Pars intermedia 403 between 401, transmission road of the pars intermedia 403 as differential signal between the external circuit board and butt connector Footpath, requirement of the industry to its impedance is very high.It is well known that the distance between the first terminal 41 and Second terminal 42 and filling Insulating materials number have an impact to impedance, but only take into account the impedance of difference signal terminal 4 obviously not enough, should also examine Consider the mechanical stability of difference signal terminal 4.In the present embodiment, the first terminal 41 and Second terminal 42 along signal transmission road There is different the first interval S 1 and the second interval S 2 on footpath, be used to the insulation for overcoming fixed the first terminal 41 and Second terminal 42 The defect that dielectric constant is different between material and air, insulating part 3 makes edge between the difference signal terminal 4 being located in groove 1282 It is maintained in the transmission path of signal in different the first interval S 1 and the second interval S 2.Generally, we are described with cross-sectional area Relation between insulating materials and difference signal terminal 4, it is clear that the smallest cross-section area of the insulating part 3 in difference signal terminal 4 Come from when transmission path of the cross section perpendicular to difference signal terminal 4.

In the present embodiment, there is no fill insulant, differential signal end between the difference signal terminal 4 in the first interval S 1 Son 4 has a both sides parallel to pars intermedia 403, insulating part 3 in the second interval S 2 therefrom on side by the first terminal 41 and Second terminal 42 is connected playing firm effect, therefore, insulating part 3 the difference signal terminal 4 with the first interval S 1 it Between smallest cross-section area less than with the second interval S 2 difference signal terminal 4 between smallest cross-section area, by difference The relative inner side of sub-signal terminal 4 increases the mode of breach 430, and the first interval S 1 is designed to less than the second interval S 2, can be with Between the influence for overcoming the insulating materials of different-thickness to bring the impedance of difference signal terminal 4, such as the first interval S 1 are less than second Away from S2, transverse gage of the insulating materials in the second interval S 2 is more than the transverse gage in the first interval S 1.

Difference signal terminal 4 including being separately fixed at insulating part 3 on the leading section 32 of conductive plate 120 leading edge 121 Butt end 432, and be fixed on installation end 431 of the insulating part 3 in the rearward end 31 of conductive plate 120 lower edge 123, it is foregoing Conductive plate 120 is extended at the self installation end 431 of installation portion 401, and conductive plate 120 is extended in docking section 402 from butt end 432.It is actual On, because the external force that butt end 432 and installation end 431 this difference signal terminal 4 at two is born is maximum, the first terminal 41 and the Filled with insulating materials to strengthen the mechanical stability of difference signal terminal 4 between two-terminal 42, therefore insulating part 3 is at this at two The cross-sectional area on signal transmission path it is big compared with the smallest cross-section area in the second interval S 2, differential signal end Sub 4 the 3rd interval Ss 3 in leading section 32 and the 4th interval S 4 in rearward end 31 are all higher than the second interval S 2.

In order to reduce influence of the insulating part 3 to the impedance of 4 pars intermedia of difference signal terminal 403, insulating part 3 is in the second interval S 2 The cross-sectional area at place is the smaller the better, and in the present embodiment, insulating part 3 is in the first terminal 41 and Second terminal with the second interval S 2 42 relative inners are to be not filled by insulating materials in breach 430, only from the side of difference signal terminal 4 by the first terminal 41 and second Terminal 42 is connected；At butt end 432, although relative inner side is filled with insulating materials, but first between difference signal terminal 4 With at least part of exposure of Second terminal 42 in atmosphere, such as Fig. 9 (C) is shown for terminal 41.

As shown in Fig. 9 (D), aforementioned dielectric part 3 is connected between the first terminal 41 and Second terminal 42 at rearward end 31 Part be the first Port 310；As shown in Fig. 9 (C), be connected at leading section 32 the first terminal 41 and Second terminal 42 it Between part be the second Port 320；As shown in Fig. 9 (B), insulating part 3 is in foregoing second interval S 2 from difference signal terminal 4 Side connection the first terminal 41 and Second terminal 42 between part be the 3rd Port 330；Correspondingly, as shown in Fig. 9 (A) It is smallest cross-section area of the insulating part 3 in the first interval S 1, represents the end of the first terminal 41 and second in the first interval S 1 Between son 42 and its both sides are without the Port (non-label) in fill insulant, i.e. the first interval S 1 in horizontal thickness It is zero.The thickness of first Port 310, the second Port 320 and the 3rd Port 330 is gradually decreased, especially, the Transverse gage of three Ports 330 between the first terminal 41 and Second terminal 42 can be adjusted further according to actual needs, The different embodiments of the 3rd Port 330, insulating part 3 and difference signal terminal 4 are shown such as Figure 10 (E) to Figure 10 (H) Transversely there is certain thickness respectively, the 3rd Port 330 is in the thickness of aforementioned lateral and the thickness of difference signal terminal 4 Thickness of the sum less than insulating part 3.The effect of the 3rd Port 330 includes that support is molded over the end of the first terminal 41 and second respectively Insulating materials on son 42 ensureing the second interval S 2 between difference signal terminal 4, and between adjustment difference signal terminal 4 Impedance variations caused by changing because of distance, make differential signal be stabilized transmission.

Mounting groove 1281 houses the docking section 402 of difference signal terminal 4, and house adjacent except installing separator 16 Outside boss 1291 on conductive plate 120, remaining space inserting as collecting butt connector terminal (not shown) towards open front Hole 160, some module pieces 12 are laterally stacked be integrated after, the jack 160 along some rows and several columns mode array point It is distributed in the front of electric connector 100.The installation portion 401 and connector of some difference signal terminals 4 on same module piece 12 17 installation foot 171 is substantially aligned along the bearing of trend of the lower edge 123 of conductive plate 120, therefore some module pieces 12 are laterally stacked is After one, installation portion 401 and installation foot 171 are along the mode array distribution of some rows and several columns under electric connector 100 Side.Electric connector 100 is because of the design for employing conductive plate 120 and optimize, the effect with preferably shielding electromagnetic interference.

Claims (9)

1. a kind of electric connector, can mount on a external circuit board and with butt connector interworking, electric connector includes laterally Stack set some module pieces, each module piece include a conductive plate, laterally be contained in conductive plate side it is some to terminal with And the insulating part for being molded over outside each pair of terminal and being arranged in conductive plate, terminal one end is extended insulating part and is provided with and is connected with docking Device docking section in electrical contact, the module piece also includes the separator for being dielectrically separated from the docking section of terminal and conductive plate, leads Electroplax side is provided with some grooves and mounting groove being mutually communicated, groove and mounting groove be respectively used to house aforementioned dielectric part with every Off member, mounting groove has almost parallel a pair of sidewalls and the bottom wall between two side, it is characterised in that：The side of mounting groove Wall is provided with the draw-in groove parallel to bottom wall, and separator protrudes above the fin for being provided with and coordinating with draw-in groove, and fin is by interference engagement Mode is contained in draw-in groove along the direction parallel to installation groove bottom wall and is fixed in mounting groove with by separator, and the module piece is also Laminar earthing member including being used for closed pockets installed in conductive plate side, earthing member and conductive plate formed it is in electrical contact so that Groove constitutes the shielding passage of a border seal.

2. electric connector as claimed in claim 1, it is characterised in that：The center section per a pair of terminal is by insulating materials Take shape in insulating part, there is the groove profile roughly the same with insulating part to be used to house insulating part.

3. electric connector as claimed in claim 2, it is characterised in that：The terminal other end extends insulating part and is provided with installation Portion, terminal also includes the pars intermedia for connecting docking section and installation portion, and the docking section is contained in mounting groove by isolation Part is electrically insulated with conductive plate, and pars intermedia is taken shape in insulating part and is electrically insulated with conductive plate by insulating part.

4. electric connector as claimed in claim 1, it is characterised in that：The conductive plate is opposite in the side for being provided with mounting groove Side is provided with boss, and some module piece stacking rear boss can be extended into the mounting groove in adjacent plate from the opposite side Set face-to-face with the separator in the mounting groove.

5. electric connector as claimed in claim 4, it is characterised in that：The boss is in electrical contact with butt connector.

6. electric connector as claimed in claim 1, it is characterised in that：The conductive plate is provided with the installation for installing earthing member Frame, installing frame has with earthing member identical profile and towards the depth of vertical recess in conductive plate one, and the thickness of the earthing member is not More than the depth of installing frame.

7. electric connector as claimed in claim 1, it is characterised in that：Also include being extended transversely through located at each module piece lower section and respectively lead The slit of electroplax, and some thin-and-longs flake ground connection bridge, the ground connection bridge includes being housed in slit with by each conduction The connecting portion of plate transverse direction concatenation and some installation feet extended downwardly from connecting portion, installation foot are used to be electrically connected with each conductive plate To the external circuit board.

8. electric connector as claimed in claim 1, it is characterised in that：Under the conductive plate includes that circuit board is set towards the outside The leading edge and trailing edge of the edge upper limb relative with lower edge and connection upper limb and lower edge, the mounting groove is from leading edge guide electroplax Sunken inside is set, and conductive plate is respectively equipped with clamping fin in upper limb and trailing edge, and electric connector also includes a keeper, the holding Part extends along the trailing edge and upper limb of conductive plate accordingly includes a rear wall and a upper wall, and the rear wall offers some collectings with upper wall The support slot of correspondence clamping fin, the width of retaining piece is roughly the same with the thickness of all conductive plate heap poststacks, and each module piece leads to Cross and clamping fin is held in support slot to realize laterally aligned being fixed as one.

9. electric connector as claimed in claim 8, it is characterised in that：The horizontal thickness of the clamping fin is less than conductive plate Thickness, the clamping fin of the upper limb is provided with a covering lid, and covering lid can cover the support slot of keeper upper wall, institute from top The transverse width for stating covering lid is roughly the same with plate thickness.