CN209016304U - Connector mould group - Google Patents

Abstract

A kind of connector mould group, for being docked with circuit board, including conductive shell and the terminal assemblies fixed with main part, the terminal assemblies include several groups signal terminal, each signal terminal includes the terminal docking section for exposing correspondence and circuit board contacts outside the insulating body and conductive shell, each terminal docking section is by way of elastic compression joint and circuit board contacts, the lower surface of the conductive shell is fixedly provided with earthing member, earthing member is equipped with several grounding elastic slices, each grounding elastic slice is by way of elastic compression joint and circuit board contacts, each grounding elastic slice is to the value of elastic of circuit board no more than each terminal docking section to the half of the value of elastic of circuit board, so that connector mould group and circuit board lock fixing are stablized, each terminal and circuit board contacts are stablized, and stress and deformation does not occur for connector mould group and circuit board.

Description

Connector mould group

Technical field

The utility model relates to a kind of connector mould groups.

Background technique

QSFP-DD (Quad Small Form-factor Pluggable Double Density) is standardized at present It announces, defines the high-speed communication mould group for being equipped with eight channels.Every channel operating rate in 25Gbit/s or 50Gbit/s, therefore QSFP-DD mould group supports the Ethernet application of 200Gbit/s or 400Gbit/s rate.QSFP-DD mould group Equipped with socket connector, the socket connector includes insulating body and four row's terminals for being contained in insulating body.2018 In on May 04, China Patent Publication No. CN107994402A patent application discloses a kind of socket connector, described to insert Base connector is set on circuit board and connect with circuit board, the socket connector include insulating body, one arrange the first terminal, One arranges the 2nd terminal, one arranges the 3rd terminal and one arrange the 4th terminal, the first terminal, Second terminal, third terminal, the 4th end Son is arranged along the vertical direction and is set in insulating body, and the first terminal and forth terminal form the first craft port, institute It states Second terminal and third terminal forms the second craft port, the first terminal, Second terminal, third terminal, forth terminal It is welded on circuit board, to realize the electric connection of socket connector and circuit board.Since socket connector passes through welding and electricity The connection of road plate, layout designs limitation is more, while when board design, it is also desirable to reserve larger position.

In the prior art, a socket connector is electrically connected to circuit board common are two ways, the first is such as Upper described, by the way that socket connector is soldered directly to circuit board, another kind is that will be inserted by a switching model group as bridge Base connector is forwarded to circuit board.However since the signal cable of above-mentioned socket connector is numerous, while there are shielding properties, height again The characteristic requirements such as frequency are already unable to satisfy demand simply by cable switching or by common adaptor connector switching. In this regard, designing the new switching model group of one kind to realize the switching of the above-mentioned type socket connector to be development trend.

In view of this, it is necessary to provide a kind of new connector mould groups, to realize above-mentioned technology needs.

Utility model content

The purpose of this utility model is to provide a kind of connector mould group, the connector mould group and circuit board lock are held Stablize, and signal terminal and circuit board contacts are stablized.

To achieve the above object, the utility model provides a kind of connector mould group, is used to dock with circuit board, including set The terminal assemblies for having the conductive shell of main part and mutually fixing with the main part, the terminal assemblies include insulating body and consolidate The several groups signal terminal being scheduled in the insulating body, each signal terminal include the end being fixed in the insulating body Sub- fixed part, extended by described terminal fixing part one end and exposed terminal connections portion outside the insulating body and conductive shell and Extended by the terminal fixing part other end and exposed the correspondence outside the insulating body and conductive shell and circuit board contacts Terminal docking section, the connector mould group further include several groups cable, and cable described in each group includes signal wire, each group cable Signal wire be fixedly connected with the terminal connections portion of corresponding each group signal terminal, the terminal docking section of each signal terminal passes through bullet Property crimping mode and circuit board contacts, the lower surface of the conductive shell be fixedly provided with earthing member, if the earthing member be equipped with A dry grounding elastic slice, each grounding elastic slice is by way of elastic compression joint and circuit board contacts, and each grounding elastic slice is to electricity The value of elastic of road plate is no more than each terminal docking section to the half of the value of elastic of circuit board.

Further, each terminal docking section to the value of elastic range minimum of circuit board not less than 0.392 N and most very much not Greater than 0.784 N.

Further, the conductive shell each extends at left and right sides of main part and is formed with ear, and each ear is in upper Lower direction is formed through through-hole, and the connector mould group cooperates through-hole to fix with circuit board by least two locking nuts, Coupling mechanism force range minimum between the connector mould group and circuit board is not less than 58.8 Ns and maximum no more than 117.6 Ns.

Further, the several groups signal terminal is arranged at two rows, and one through-hole is located at a corresponding row of signal terminals Terminal docking section left side, another through-hole is located at the right side of the terminal docking section of corresponding another row of signal terminals.

Further, each ear is formed through threaded hole in up and down direction, the threaded hole in each ear and logical Hole is arranged in front-rear direction interval, and the through-hole diameter is greater than screw thread bore dia, the axial connecting line of described two through-holes and described The axial connecting line of two threaded holes is located at same rectangular two cornerwise both ends.

Further, each group signal terminal includes a pair of of signal terminal of differential signal transmission, each row signal Terminal includes eight pairs of signal terminals.

Further, the grounding elastic slice includes the lateral grounding elastic slice extended in left-right direction and extends along the longitudinal direction Vertical grounding elastic slice, each pair of signal terminal surrounding in a wherein row of signal terminals surrounds setting, and there are two laterally ground connection Elastic slice and two vertical grounding elastic slices, each pair of signal terminal surrounding in another row of signal terminals, which surrounds, is provided with one Lateral grounding elastic slice and two vertical grounding elastic slices.

Further, the inclined cantilever-shaped structure of the grounding elastic slice and terminal docking section, when connector mould group is fixed to After on circuit board, the end of the grounding elastic slice and terminal docking section and circuit board surface generate elastic freely-supported.

Further, there are two the terminal assemblies are set, each terminal assemblies include insulating component and are fixed on described exhausted Several groups signal terminal in edge component, the insulating component include several in the insulating body of row setting and by institute The connection ontology that several insulating bodies are connected as one is stated, the main part is formed through several in one in up and down direction It arranges the Terminals Die group accommodating chamber of setting and a row several Terminals Die group accommodating chambers is communicated as one in left-right direction Link slot, the insulating body correspondence are contained in Terminals Die group accommodating chamber, and the connection ontology correspondence is contained in link slot.

Further, the upper surface of the main part be arranged to step-like structure and formed upper loading end and with the upper carrying Face forms the lower loading end of drop, and the terminal connections portion is formed with two rows and respectively corresponds positioned at the upper loading end and lower carrying Face, the two rows terminal connections portion form height segment difference in up and down direction, and two layers of stacking of the several groups cable point is arranged, wherein One layer line cable correspondence is connect with wherein row's terminal connections portion, and in addition a layer line cable is corresponding connects with other row terminal connections portion It connects, the position that all terminal connections portions of at least one terminal assemblies are contacted with corresponding signal wire is coated with solder joint protection mould Part, the connector mould group are additionally provided with the upper surface of the main part of conductive shell, front and rear surfaces and solder joint protection module is whole Cover the outer module of cladding.

The beneficial effects of the utility model are: by the way that each terminal docking section and grounding elastic slice and the elastic force of circuit board are closed System's design is being controlled in a certain range, and the latching force range between connector mould group and circuit board is arranged in specific model In enclosing, enable to connector mould group and circuit board latch fixing stablize, each terminal and circuit board contacts stabilization and connector mould Stress and deformation does not occur for group and circuit board.

Detailed description of the invention

Fig. 1 be on the utility model connector module group assembling to circuit board after structural schematic diagram.

Fig. 2 is the structural schematic diagram that the group of connector mould shown in Fig. 1 is seen from another angle.

Fig. 3 is the part isometric exploded view of the group of connector mould shown in Fig. 1, and which show outer modules to divide from conductive shell Stereoscopic schematic diagram from after.

Fig. 4 is the structural schematic diagram that the group of connector mould shown in Fig. 3 is seen from another angle.

Fig. 5 is the part isometric exploded view of the group of connector mould shown in Fig. 1, and which show outer modules, one of solder joint Stereoscopic schematic diagram after protecting module to separate from conductive shell.

Fig. 6 is the part isometric exploded view of the group of connector mould shown in Fig. 1, and which show outer modules, one of solder joint Stereoscopic schematic diagram after protecting module, upper row of cable and heat-shrinkable T bush to separate from conductive shell.

Fig. 7 is the part isometric exploded view of the group of connector mould shown in Fig. 1, and which show outer modules, two solder joint protections Module, upper row of cable and heat-shrinkable T bush separated from conductive shell after stereoscopic schematic diagram.

Fig. 8 is the part isometric exploded view of the group of connector mould shown in Fig. 1, and which show outer modules, two solder joint protections Solid after module, upper row of cable, lower row of cable, one of terminal assemblies and heat-shrinkable T bush are separated from conductive shell is illustrated Figure.

Fig. 9 is the structural schematic diagram that stereogram exploded view shown in Fig. 8 is seen from another angle.

Figure 10 is the front view of structural schematic diagram shown in Fig. 1.

Figure 11 is that the structural schematic diagram after outer module and circuit board is removed in structural schematic diagram shown in Figure 10.

Figure 12 is the stereoscopic schematic diagram of the second embodiment of the utility model connector mould group.

Figure 13 is the part isometric exploded view that the utility model connector mould group shown in Figure 12 is seen from another angle, exhibition Show outer module from the stereoscopic schematic diagram after conductive shell separation.

Figure 14 is the further stereogram exploded view of the utility model connector mould group shown in Figure 13, and which show outer modules And earthing member from conductive shell separation after stereoscopic schematic diagram.

Figure 15 is the part isometric exploded view of the mould group of the utility model connector shown in Figure 12, which show outer module, is connect Ground part and first row terminal assemblies are from the stereoscopic schematic diagram after conductive shell separation.

Figure 16 is the stereoscopic schematic diagram that the mould of the utility model connector shown in Figure 15 group is seen from another angle.

Figure 17 is the bottom view of the mould group of the utility model connector shown in Figure 12.

Figure 18 is that the mould group of the utility model connector shown in Figure 17 removes cross-sectional view after outer module from line A-A.

Figure 19 is the enlarged drawing of structure in the dashed circle of the mould group of the utility model connector shown in Figure 18.

Figure 20 is the 3rd embodiment of the utility model connector mould group.

Figure 21 is the usage state diagram of the mould group of the utility model connector shown in Figure 20, and which show two connectors Mould group assembled side-by-side is fixed to the top view after a circuit board.

Figure 22 is the usage state diagram of the mould group of the utility model connector shown in Figure 20, and which show three connectors Module group assembling is fixed to the front view after a circuit board, and connector mould group described in two of them is relatively fixed to the upper and lower of circuit board Two surfaces.

Specific embodiment

In order to keep the purpose of this utility model, technical solution and advantage clearer, with reference to the accompanying drawing and it is embodied The utility model is described in detail in example.For the accuracy of description, herein it is all be related to direction please without exception with Fig. 1 for ginseng According to wherein the extending direction of X-axis is left and right directions (wherein X-axis forward direction is front right), and the extending direction of Y-axis is front-rear direction (its Before middle Y-axis forward direction is), the extending direction of Z axis is up and down direction (wherein Z axis forward direction is upper).

It please refers to shown in Fig. 1 to Figure 11, is the first embodiment of the utility model connector mould group 100, first embodiment In connector mould group 100 include conductive shell 1, by assemble with the conductive shell 1 fixation terminal assemblies 2, with it is described The solder joint protection module that terminal assemblies 2 realize the cable 3 being electrically connected, are covered in the terminal assemblies 2 with 3 link position of cable 4, the heat-shrinkable T bush 6 for coating the outer module 5 of the conductive shell 1 and being sheathed on the cable 3.The connector mould group 100 For docking fixed (shown in ginseng Fig. 1) with a circuit board 200 realization.

Please refer to shown in Fig. 2, Fig. 6 to Figure 11, the conductive shell 1 is substantially plate-like, include plate-like main body 11 and The ear 12 to be formed is each extended at left and right sides of the main part 11.The main part 11 is arranged in the upper surface of up and down direction Stepped structure, and form upper loading end 111 and form the lower loading end 112 of drop with the upper loading end 111.It is described Upper loading end 111 is identical as lower 112 shape of loading end.It is passed through on the upper loading end 111 and lower loading end 112 in up and down direction It wears main part 11 and is respectively formed with several Terminals Die group accommodating chambers 110 of a row, each 110 surrounding of Terminals Die group accommodating chamber is by leading Electric shell 1 forms barrier shield 101 (shown in ginseng Fig. 8), and upper loading end 111 and lower loading end 112 are located at each Terminals Die group accommodating chamber 110 rear position is recessed separately down equipped with cable limiting slot 113 and forms stopping wall 114 (shown in ginseng Fig. 7, Fig. 8).It is described It is upward convex in the right side of each Terminals Die group accommodating chamber 110 or leftward position difference on upper loading end 111 and lower loading end 112 It is formed with protrusion (not marking) out and forms ground plane 115, the protrusion is strip rib structures.

It please refers to shown in Fig. 2, Fig. 6 to Figure 11, the lower surface of the main part 11 of the conductive shell 11, which protrudes above, to be formed with Several raised lines 116, several raised lines 116 be the linear rib structures of strip, along the longitudinal direction on, the raised line 116 by The front-end edge of conductive shell 1 continuously extends to end edge.Each ear 12 in extended through in up and down direction be formed with it is solid Determine hole 121, the fixation hole 121 locks bolt (not shown) and conductive shell 1 is fixed on corresponding circuits plate 200.It is described It is outwardly protruded respectively in the front and rear surfaces of main part 11 and is formed with convex ribs 117, the convex ribs 117 are into strips and in left-right direction Extend.

In first embodiment in the present invention, the conductive shell 1 is by having the metal material system of electric conductivity Journey.In a second embodiment, the conductive shell 1 is passed through by insulating material and is molded, at this point, described by insulating material At least local location of conductive shell 1 of processing procedure forms conductive layer by plating to realize function, for example, above-mentioned ground plane 115, Raised line 116 and 101 position of barrier shield form conductive layer, and by making the specified earthing position on conductive layer and circuit board 200 Conducting is realized altogether.

It please refers to shown in Fig. 4 to Figure 11, the terminal assemblies 2 are equipped with several, and each terminal assemblies 2 include one exhausted Edge ontology 21 and a pair of of signal terminal 22, the pair of signal terminal 22 is corresponding to be fixed to insulation originally by injection molded mode Body 21.It please refers to shown in Fig. 8, each signal terminal 22 includes the terminal fixing part being fixed in the insulating body 21 221, extended by described 221 one end of terminal fixing part and expose the terminal connections portion outside the insulating body 21 and conductive shell 1 222 and extended by 221 other end of terminal fixing part and expose the terminal outside the insulating body 21 and conductive shell 1 docking Portion 223.Each signal terminal 21 extends in the same plane, the linear strip of the terminal fixing part 221, the terminal The extending direction of wire connecting portion 222 is vertical with terminal fixing part 221, where the extension of signal terminal 21 in face, the terminal pair Socket part 223 and terminal connections portion 222 are located at the same side of 221 extending direction of terminal fixing part.In this connector mould group 100, institute Terminal connections portion 222 is stated to be arranged in a row on upper loading end 111；The terminal connections portion 222 is arranged on lower loading end 112 It is in a row；The terminal docking section 223 is arranged in two rows in the lower surface of main part 11.

It please refers to shown in Fig. 7 to Fig. 9, it is a pair of poor that the correspondence of a pair of of signal terminal 22 of each terminal assemblies 2 is used for transmission Sub-signal.Mutually indepedent between each terminal assemblies 2 in first embodiment, each terminal assemblies 2 are led by corresponding be assembled to respectively The Terminals Die group accommodating chamber 110 of electric shell 1 passes through the barrier shield of 110 surrounding of Terminals Die group accommodating chamber between each terminal assemblies 2 101 realize the shielding barrier action between signal, prevent the differential signal between each terminal assemblies 2 from interfering.

In the utility model, another embodiment (not shown) of the terminal assemblies 2, in this embodiment, the terminal Component 2 is one piece design, and insulating body 21 is provided only with one, and each signal terminal 22 is fixed on absolutely with two for a pair respectively On edge ontology 21, each Terminals Die group accommodating chamber 110 of the conductive shell 1 in lower surface position in left-right direction and up and down direction Part is mutually communicated with the structure of coordinated insulation ontology 21, in other words, the shielding of each 110 surrounding of Terminals Die group accommodating chamber Wall 101 is by locally connected.The terminal assemblies 2 compare first embodiment, by 21 one piece design of insulating body, so that processing procedure is more Simply, still, barrier shield 101 is by locally connected, but also the shield effectiveness between each pair of signal terminal 22 compares first embodiment It is slightly worse.

It please refers to shown in Fig. 3 to Fig. 9, the cable 3 is equipped with several groups, and the several groups cable 3, which is divided into and is fixed on, leads Upper row of cable 31 that terminal assemblies 2 on the upper loading end 111 of electric shell 1 connect and with the lower carrying that is fixed on conductive shell 1 The lower row of cable 32 that terminal assemblies 2 on face 112 connect.The each group cable 3 includes two signal wires 301 and a ground junction Structure 302.When assembling, each group cable 3, which respectively corresponds, to be placed in corresponding cable limiting slot 113, realizes line by stopping wall 114 The forward assembling stop bit of cable 3, the corresponding one pair of them with above-mentioned terminal assemblies 2 of two signal wires 301 of each group cable 3 Signal terminal 22 realizes that contact, the corresponding realization of ground plane 115 on conductive shell 1 of the ground structure 302 of the cable 3 connect Touching.In the utility model, each terminal connections portion 222, which at least partly protrudes insulating body 21 and forms contact surface, (is not marked Note), the contact surface in each terminal connections portion 222 is flushed with the ground plane 115.It is described to connect in the utility model embodiment Ground structure 302 is metal strip structure, and certainly, in other embodiments, the ground structure 302 can also be replaced with other structures Generation, such as copper foil or metal net shaped braiding layer structure etc..

It please refers to shown in Fig. 3 to Fig. 9, the solder joint protection module 4 is formed by insulating material by injection molded, solder joint Protection module 4 respectively corresponds on the upper loading end 111 for being formed in conductive shell 1 and lower loading end 112, there are two setting for covering The position that lid protection terminal wire connecting portion 222 is contacted with corresponding signal wire 301.In the utility model, cable 3 and signal end are completed It, first will be to terminal wire connecting portion 222 and corresponding letter after the contact of son 22 and ground plane 115 is fixed, and before the solder joint protection formation of module 4 The position that number line 301 contacts covers that form insulating protective layer (unlabeled, such as the insulation protection can be formed by gluing Layer), the insulating protective layer is formed before solder joint protection module 4 and in the process to terminal wire connecting portion 222 and signal wire for being molded It protects in advance at the position of 301 contacts.After solder joint protects module 4 to be formed, the solder joint protection module 4 is actually covered in insulating protective layer Outside.

Fig. 3, Fig. 6, Fig. 8, Figure 11 are please referred to, the ground structure 302 of each group cable 3 is located at corresponding two signal wires 301 middle position, after cable 3 is assembled on conductive shell 1, the ground structure 302 is bent over from adjacent signals line 301 It crosses and is contacted with the ground plane of conductive shell 1 115 above insulating layer.After the solder joint protection formation of module 4, the cable 3 is only Ground structure 302 is located at outside the protrusion solder joint protection module 4 of the part above the insulating layer of signal wire 301, the design of this design feature Relatively thin structure design has been taken into account while preferable protective effect again guaranteeing that solder joint protection module 4 has.To guarantee connection Part mould 100 integral thickness of group are relatively thin.

It please refers to shown in Fig. 1 to Fig. 9, the outer module 5 is passed through as insulating material and formed described in injection molded, described outer By the upper surface of conductive shell 1, front and rear surfaces, all covering envelopes module 5 for left and right surface and solder joint protection module 4, described Convex ribs 117 on conductive shell 1 are embedded in outer module 5 for increasing the adhesive force of outer module 5 and conductive shell 1.

It please refers to shown in Fig. 8 to Figure 11, the terminal docking section 223 of the signal terminal 22 is by terminal fixing part 221 1 The cantilever-shaped structure that end inclination extends to form, each terminal docking section 223 protrude out to corresponding by being formed between two raised lines 116 Elastic space in.The raised line 116 plays the role of Isolated Shield between the differential pair of each terminal assemblies 2.The terminal pair The correspondence of socket part 223 is contacted by way of elastic compression joint with circuit board 200.

It please refers to shown in Fig. 5, Fig. 5 and Fig. 6, the heat-shrinkable T bush 6 is corresponding to be arranged that close on outer module 5 with cable 3 be institute 6 heat shrinkable of heat-shrinkable T bush binding residence is stated to state cable 3 and shield.

Fig. 2 to Fig. 9 is please referred to, the method for making of the utility model connector mould group 100, the side of being made is described in detail below Method includes the following steps:

A, conductive shell 1 is made by modes such as powder metallurgy, injection moldings；

It B, will be described by the insulating body 21 formed via injection molding by being stamped and formed out several signal terminals 22 Several 22 sons of signal end are fixed on conductive shell 1；

C, prepare several groups cable 3, cable 3 described in each group includes signal wire 301 and ground structure 302, by each group The terminal connections of the signal wire 301 of cable 3 and each signal terminal 22 being located on lower loading end 112 on corresponding conductive shell 1 Portion 222 is welded and fixed to realize and be electrically connected, while holding under being located on the ground structure 302 and corresponding conductive shell 1 Ground plane 115 on section 111 is welded and fixed to realize and be electrically connected.

D, 1 surface of conductive shell described in step C is in terminal connections portion 222 and the position in electrical contact of signal wire 30 Form insulating protective layer；

E, it is formed and is welded in 1 surface of external conductive casing insulating protective layer position described in D step by injection molding Point protection module 4；

F, prepare several groups cable 3, cable 3 described in each group includes signal wire 301 and ground structure 302, by each group The terminal connections of the signal wire 301 of cable 3 and each signal terminal 22 being located on upper loading end 111 on corresponding conductive shell 1 Portion 222 is welded and fixed to realize and be electrically connected, at the same by the ground structure 302 on corresponding conductive shell 1 positioned above holding Ground plane 115 on section 111 is welded and fixed to realize and be electrically connected.

G, 1 surface of conductive shell described in F-step is formed in terminal connections portion 222 and the position in electrical contact of signal wire 30 Insulating protective layer；

H, it is formed and is welded in 1 surface of external conductive casing insulating protective layer position described in G step by injection molding Point protection module 4；

I, the periphery of module 4 and external conductive casing 1 is protected to form outer module 5 in solder joint by injection molding；

J, Yu Suoshu cable 3 is arranged heat-shrinkable T bush 6 close to the position of outer module 5, and heating heat-shrinkable T bush 6 makes thermal shrinkable sleeve Pipe 6 shrinks binding residence and states cable 3.

It please refers to shown in Figure 12 to Figure 21, is the second embodiment of the utility model connector mould group 100.Second embodiment In connector mould group 100 ' have following distinctive points compared with the connector mould group 100 in first embodiment:

Specifically, comparing first embodiment, the connector mould group 100 ' in the second embodiment is in 1 ' bottom of conductive shell Portion adds earthing member 7 '.Furthermore the conductive shell 1 ', 2 ' structure of terminal assemblies are also had any different compared to first embodiment, specific to join It is described below.

It please refers to shown in Figure 12 to Figure 16, in second embodiment, there are two the terminal assemblies 2 ' are set, each terminal group Part 2 ' includes insulating component 201 ' and several pairs of signal terminals 22 '.Each insulating component 201 ' includes several insulating bodies 21 ' and the connection ontology 211 ' that is connected as one several described insulating bodies 21 ', specially connection ontology 211 ' by it is each absolutely The front end face lower position horizontal extension of edge ontology 21 ' is formed, that is to say, that the connection ontology 211 ' is located at terminal docking section 223 ' end position.22 ' the structure of each signal terminal and first embodiment are just the same, the 21 ' structure of insulating body It is identical with the first embodiment.A pair of of signal terminal 22 ' is equally equipped with first embodiment in each insulating body 21 '.

Please refer to shown in Figure 12 to Figure 16, in second embodiment, the conductive shell 1 ' it is also substantially plate-like, include Plate-like main body 11 ' and the ear 12 ' to be formed is each extended over along the 11 ' left and right sides of the main part.Table on the main part 11 ' Face structure is identical with the first embodiment, and is not being repeated again.The main part 11 ' is in up and down direction through the difference of main part 11 ' It is formed with several Terminals Die group accommodating chambers 110 ' for corresponding to receiving insulating body 21 ', several Terminals Die group accommodating chambers 110 ' In front-rear direction arrangement in two rows, including being located at the front-seat accommodating chamber 1101 ' of front end and positioned at the heel row accommodating chamber of rear end 1102'.End position of the 1 ' lower surface of conductive shell in terminal docking section 223 ' is formed with corresponding receiving connection ontology 211 ' two link slots 1103 ', the link slot 1103 ' do not run through main part 11 ' in up and down direction.One of connection Several Terminals Die group accommodating chambers 110 ' are communicated as one and form the front-seat accommodating chamber 1101 ' by slot 1103 '；Another Several described Terminals Die group accommodating chambers 110 ' are communicated as one and form the heel row accommodating chamber 1102 ' by link slot 1103 '. Each 110 ' surrounding of Terminals Die group accommodating chamber equally forms barrier shield 101 ' as conductive shell 1 (shown in ginseng Figure 15).

201 ' structure of insulating component cooperation 1 ' structure of external conductive casing in second embodiment compares first embodiment group It is simpler to fill processing procedure.The position of the connection ontology 211 ' and the Position Design of link slot 1103 ' are at far from terminal fixing part 221 ' positions, can reduce on it is each on signal terminal 22 ' on high-frequency signal influence.In addition, in the present embodiment, the connection Ontology 211 ' is less than 21 ' thickness of insulating body in the thickness in up and down direction, can reduce to the height between each pair of signal terminal 22 ' Frequency effect of signals.

Please refer to shown in Figure 12 to Figure 15, in second embodiment, the following table of the main part 11 ' of the conductive shell 1 ' towards Sunken inside is formed with earthing member holding tank 13 ' and forms earthing member mounting surface 131 '.Above-mentioned Terminals Die group accommodating chamber 110 ' and company Access slot 1103 ' is further recessed inwardly by the earthing member mounting surface 131 ' and is formed.The front row accommodating chamber 1101 ' is received with heel row Be formed with middle shielding fin 132 ' between cavity 1102 ', the middle shielding fin 132 ' on left and right directions along front-seat accommodating chamber 1101 ' and the overall length of heel row accommodating chamber 1102 ' extend, so realize front-seat accommodating chamber 1101 ' and heel row accommodating chamber 1102 ' Between better shielding effect.1102 ' the back-end location of heel row accommodating chamber shields fin 133 ' after being formed with, after described Fin 133 ' is shielded in the overall length extension on left and right directions along heel row accommodating chamber 1102 '.

It please refers to shown in Figure 12 to Figure 15, the two neighboring terminal in second embodiment, in the heel row accommodating chamber 1102 ' Rear terminal shielding fin 134 ' is each formed between mould group accommodating chamber 110 ', each rear terminal shielding 134 ' front end of fin is in It shields fin 132 ' to connect, the rear end of each rear terminal shielding fin 134 ' is spaced apart with rear shielding fin 133 '.The front-seat receipts Front terminal shielding fin 135 ' is each formed between two neighboring Terminals Die group accommodating chamber 110 ' in cavity 1101 ', it is described each The rear end of front terminal shielding fin 135 ' is spaced apart with middle shielding fin 133 ', and the front row accommodating chamber 1101 ' is in front-rear direction A upper end position far from heel row accommodating chamber 1102 ' is formed with resigning breach between two neighboring front terminal shielding fin 135 ' 136 ', the resigning breach 136 ' is for realizing the resigning to specific structure on circuit board 200.Among the above shield fin 132 ', Fin 133 ', the lower surface (not marking) of rear terminal shielding fin 134 ' and front terminal shielding fin 135 ' and mounting surface are shielded afterwards 131 ' flush.

It please refers to shown in Figure 15 and Figure 19, the lower surface of the conductive shell 1 ' is in the terminal pair of each pair of signal terminal 22 ' The free end position of socket part 223 ', which is recessed inwardly, is formed with bit-avoiding slot 16 ', and the bit-avoiding slot 16 ' is used for so that terminal docking section 223 ' Spacing (can join Figure 15 in conjunction with Figure 19 shown in) of the free end ora terminalis between conductive shell 1 ', to prevent the sub- docking section of not-go-end Overlap joint risk is generated between 223 ' free end ora terminalis and conductive shell 1 ', guarantees that the high frequency between each pair of signal terminal 22 ' is special Property.

It please refers to shown in Figure 12 to Figure 15, in second embodiment, convex is distinguished in the front and rear surfaces of the main part 11 ' Be formed with convex ribs 117 ', buckle convex block 118 ' out, the convex ribs 117 ' into strips or it is blocky and extend in left-right direction or It is arranged.The buckle convex block 118 ' and the interval of convex ribs 117 ' are arranged, and the buckle convex block 118 ' is used to block with earthing member 7 ' Button fixing.

It please refers to shown in Figure 12 to Figure 17, in second embodiment, the earthing member 7 ' passes through pressing and bending shape by metal plate At including main board 71 ' and by 71 ' the front-rear direction ora terminalis limit plate 72 ' that upward bending extends to form respectively of main board.It is described It is formed on each limit plate 72 ' there are two through hole shape fastening structure 721 ', the earthing member 7 ' is fixed to conductive shell by assembling On 1 ' lower surface, it is contained in earthing member holding tank 13 ' and is installed with above-mentioned earthing member specifically, the main board 71 ' is corresponding Under face 131 ', the lower surface of middle shielding fin 132 ', the lower surface of rear shielding fin 133 ', rear terminal shielding fin 134 ' The lower surface fitting of surface and front terminal shielding fin 135 '.The corresponding front and back for fitting in conductive shell 1 ' of the limit plate 72 ' On two surfaces, the fastening structure 721 ' is corresponding to be fixed with buckle 118 ' bayonet of convex block.The main board 71 ' cooperates

It please refers to shown in Figure 12 to Figure 17, in second embodiment, the main board 71 ' includes being located at front-seat accommodating chamber 1101 ' and heel row accommodating chamber 1102 ' at left and right sides of two side plates 711 ', be located at front-seat accommodating chamber 1101 ' and heel row accommodating chamber Middle plate 712 ' between 1102 ' and the back plate 713 ' positioned at 1102 ' rear of heel row accommodating chamber.The both ends of the middle plate 712 ' are corresponding It is integrally connected with the middle position of two side plates 711 ', the corresponding rear end position with two side plates 711 ' in the both ends of the back plate 713 ' It sets and is integrally connected.The corresponding front position with two side plates 711 ' in the both ends of a wherein limit plate 72 ' is integrally connected, described Another limit plate 72 ' is connected as one by the posterior lateral margin of the back plate 713 '.

Please refer to shown in Figure 14 to Figure 16, in second embodiment, each side plate 711 ', middle plate 712 ', back plate 713 ' and It is all connected on the limit plate 72 ' of front end and is formed with several grounding elastic slices 73 ', each grounding elastic slice 73 ' is at tilting down What is extended is cantilever-shaped.Specifically, wherein setting extending there are two front-rear direction on each side plate 711 ' and being located at each terminal group The vertical grounding elastic slice 731 ' of the wherein side of part 2 '；The middle plate 712 ' is equipped with seven vertical grounding elastic slices 731 ' and eight cross To grounding elastic slice 732 ', each vertical grounding elastic slice 731 ' is located between adjacent two pairs of signal terminals, each transverse direction grounding elastic slice 732 ' are located at the front end of corresponding a pair of of signal terminal；The back plate 713 ' is equipped with eight lateral grounding elastic slices 732 ', each transverse direction Grounding elastic slice 732 ' is located at the rear end of corresponding a pair of of signal terminal；The limit plate 72 ' positioned at front end is equipped with seven vertically Grounding elastic slice 731 ', each vertical grounding elastic slice 731 ' are located between adjacent two pairs of signal terminals.The grounding elastic slice 73 ' is right 200 elastic compression joint of Ying Keyu circuit board prevents each pair of signal end for realizing the shielding barrier action between each pair of signal terminal Differential signal interference between son, while there is better earthing effect.The earthing member 7 ' is lacked in the resigning of conductive shell 1 ' The not set any grounding elastic slice 73 ' in 136 ' positions of mouth, and the earthing member 7 ' is cooperatively formed in 136 ' position of resigning breach There is coordinate breach 722 '.

It please refers to shown in Figure 14 to Figure 16, in second embodiment, the lower surface pair of the main part 11 ' of the conductive shell 1 ' It answers the free end end position of each vertical grounding elastic slice 731 ' and lateral grounding elastic slice 732 ' to be recessed inwardly and is formed with recessing groove 15 ', the recessing groove 15 ' is used to provide displacement space to the elastic deformation of corresponding grounding elastic slice.

It please refers to shown in Figure 17 to Figure 19, in second embodiment, when the connector mould group 100 ' is fixed to electricity After road plate 200, the lower surface of conductive shell 1 ' is corresponding be bonded with circuit board 200 (specifically including at least the lower surface of ear 12 ', And the lower surface of at least partly earthing member 7 ').It is formed with gap 1001 ' between the 21 ' lower surface of insulating body and circuit board, The gap 1001 ' is used to accommodate corresponding terminal docking section 223 ', while for the 223 ' elastic deformation of terminal docking section.Above-mentioned each end Sub- docking section 223 ' and grounding elastic slice 73 ' are contacted with the golden finger on circuit board 200.Wherein it is located at row's terminal group of front end The terminal docking section 223 ' of each signal terminal 22 ' in part 2 ' is designed to that β (refers to Figure 19 in an angle with circuit board surface shape It is shown), the best angle range of angle β described in the present embodiment is designed as not less than 3 degree and no more than 20 degree, the preferential angle angle β 6.5 degree of degree.The angle design of angle β enables to the terminal docking section 223 ' of corresponding signal terminal 22 ' to fix close to terminal Specific interval is formed between one end position and circuit board surface in portion 221 ', for realizing the local position of preceding row of signal terminals 22 ' Set the resigning to circuit board trace.In addition, the resigning breach 136 ' and coordinate breach 722 ' of the front position of conductive shell 1 ' are tied Structure is equally used for realizing the resigning to specific structure and cabling on circuit board 200.

It please refers to shown in Figure 19, in the present embodiment, each terminal docking section 223 ' of the preceding row of signal terminals 22 ' is defined There are the Butt Section 2232 ' positioned at free end front end and the terminal for connecting Butt Section 2232 ' and vertical shape positioned at rear end solid Determine the resigning section 2231 ' in portion 221 '.The resigning section 2231 ' is not less than 0.5mm, the resigning in the length of horizontal transverse direction Spacing between section 2231 ' and circuit board surface is not less than 0.1mm, to realize that resigning section 2231 ' and terminal fixing part 221 ' are right Specific structure and cabling on the circuit board of lower position, which are realized, steps down.In the present embodiment, the preceding row of signal terminals 22 ' it is each Terminal docking section 223 ' is at skewed.Certainly in other embodiments, the resigning section 2231 ' also may be designed to flat with circuit board Row setting, such as resigning section 2231 ' be bent by terminal fixing part 221 ' it is horizontal, Butt Section 2232 ' from resigning section 2231 ' to Lower inclination extends to form, and still needs to the length for meeting the above resigning section 2231 ' and the spacing condition between circuit board certainly.

It please refers to shown in Figure 19, lower surface and the circuit board of the insulating component 201 ' of front end is located at described in the present embodiment Between spacing be greater than positioned at rear end insulating component 201 ' lower surface and circuit board between spacing, be designed in this way to match It closes the shape for stating front-seat terminal docking section 223 ' and realizes the resigning to specific structure and cabling on circuit board 200.

It please refers to shown in Figure 20, is the 3rd embodiment of the utility model connector mould group 100.Company in 3rd embodiment Fitting mould group 100 " has following distinctive points compared with the connector mould group 100 ' in second embodiment:

Specifically, second embodiment is compared, the earthing member 7 " and ear of the connector mould group 100 " in the 3rd embodiment 12 " structure of portion is had any different, and is specifically joined described below.

In 3rd embodiment, the earthing member 7 " is by the corresponding conducting resinl shape being applied on the lower surface of conductive shell 1 " At the smearing position of certain conducting resinl includes at least is arranged all of grounding elastic slice 73 ' as described in the second embodiment Position.Processing procedure can be made simpler by smearing conducting resinl formation earthing member 7 ", and the smearing path ratio of conducting resinl passes through The operability that metal plate forms earthing member 7 " is stronger, and in the present embodiment, at least a pair of 223 " two sides of terminal docking section are led Electric glue length is not less than the length of the corresponding sub- docking section 223 " in the opposite end, at least a pair of 223 " one end position of the terminal docking section Conducting resinl length be greater than the spacing between the corresponding sub- docking section 223 " in the opposite end, the smearing path of the conducting resinl is continuously one Body.

It please refers to shown in Fig. 1 to Figure 20, is three different implementations of the ear 12 of the utility model connector mould group 100 Example, wherein Fig. 1 to Figure 10 show the first embodiment of ear 12, and wherein Figure 12 to Figure 19 show the second reality of ear 12 Example is applied, wherein Figure 20 is the 3rd embodiment of ear 12, and the specific spy of ear's second embodiment and 3rd embodiment is explained in detail below Sign, difference and function, join described below in detail:

Figure 12 to Figure 19 is please referred to, is the second embodiment of ear 12, in a second embodiment, each ear 12 ' It is formed on lateral surface and is upwardly formed the misconstruction 14 ' of certain segment difference in right and left and to form left and right directions width biggish Protrusion 122 ' and the lesser indented section 123 ' of width, by flat between the protrusion 122 ' and indented section 123 ' The transition of slip circle face.The protrusion 122 ' is in being formed through through-hole 1221 ' in up and down direction, under the indented section 123 ' It is protruded out downwards on surface and is formed with positioning column 1231 '.In the present embodiment, the through-hole 1221 ' and positioning column 1231 ' are located at The left or right side of the terminal docking section 223 ' of a corresponding row of signal terminals 22 '.The connector mould group 100 ' passes through at least one Buckling nut 300 cooperates the lock of through-hole 121 ' to be fixed to circuit board.In the present embodiment, the 1221 ' diameter of through-hole is greater than positioning The lateral surface misconstruction 14 ' of 1231 ' outer diameter of column, cooperation ear 12 ' designs, and can be snapped in guarantee connector mould group 100 ' While nut 300 firmly latches in circuit board, it can guarantee when two or more connector mould group 100 ' is along right and left To when be fixed on same circuit board side by side, multiple connector mould groups 100 ' occupy lesser board area, while can be with Increase the spacing between two neighboring connector mould group 100 ' as far as possible.

Figure 20 is please referred to, is the 3rd embodiment of ear 12, in the third embodiment, the lateral surface of each ear 12 " On be also formed with and be upwardly formed the misconstruction 14 " of certain segment difference in right and left and form the biggish protrusion of left and right directions width Part 122 " and the lesser indented section 123 " of width.The protrusion 122 " is in being formed through through-hole in up and down direction 1221 ", the indented section 123 " is in being formed through threaded hole 1232 " in up and down direction, the 12 " lower surface of ear is in spiral shell Pit 1232 " and 1221 " middle position of through-hole, which protrude out downwards, is formed with positioning column 1231 ".In the present embodiment, the through-hole 1221 " and threaded hole 1232 " be located at a corresponding row of signal terminals 22 " terminal docking section 223 " left or right side.Institute It states connector mould group 100 " and cooperates through-hole 1221 " and/or the lock of threaded hole 1232 " to be fixed to by an at least buckling nut 300 Circuit board.In the present embodiment, the 1232 " diameter of threaded hole is less than 1221 " diameter design of through-hole, on the one hand for cooperating dislocation Structure 14 ", on the other hand for cooperating the shape of buckling nut 300.When two or more connector mould group 100 " is along left and right When direction is fixed to side by side on same circuit board, the design of the misconstruction 14 ", through-hole 1221 " and threaded hole 1232 " can So that above-mentioned two or more connectors mould group 100 " can increase as far as possible while occupying lesser board area Spacing between big two neighboring connector mould group 100 ".In addition, threaded hole 1232 " cooperates the design of through-hole 1221 " can be real Two connector mould groups 100 " are now stacked to the two sides (specifically referring to shown in Figure 22) for being fixed on same circuit board, the positioning Column 1231 " cooperates the positioning pore structure on circuit board 200 (not shown) for assembling positioning.It is described two logical in the present embodiment The axial connecting line of the axial connecting line in hole 1221 " and described two threaded holes 1232 " is located at same rectangular two diagonally The both ends of line.

It please refers to shown in Figure 13 to Figure 15, in a second embodiment, the vertical grounding elastic slice 731 ' on the earthing member 7 ' It is provided with 18 altogether, the transverse direction grounding elastic slice 732 ' is provided with ten six roots of sensation altogether, according to the setting position of grounding elastic slice, length Degree and width are slightly different, to realize the shielding barrier action between each pair of signal terminal and prevent between each pair of signal terminal Differential signal interference is design premises.In the present embodiment, the connector mould group 100 ' is generally matched by two buckling nuts 300 The conjunction lock of through-hole 121 ', which is fixed to circuit board, (can certainly be arranged and be latched by four buckling nuts 300, specifically such as third reality Example is applied, in combination with shown in Figure 20 to Figure 22).In the present embodiment, when the connector mould group 100 ' assembling lock to circuit board 200 Afterwards, it in order to guarantee that the terminal docking section 223 ' of each signal terminal 22 ' contacts stabilization with circuit board 200, is surveyed through many experiments Each terminal docking section 223 ' need to be not less than 0.392 N to the contact pressure minimum that circuit board 200 generates by examination.Consider to lead simultaneously The latching force ability to bear of 12 ' position of ear, the latching force ability to bear of circuit board 200 and the connector mould group of electric shell 1 ' Lock stability between 100 ' and circuit board 200, is tested through many experiments, need to be by each terminal docking section 223 ' to circuit board The 200 contact pressure maximums generated are no more than 0.784 N, and similarly experiment test obtains, need to be by each grounding elastic slice of earthing member 7 ' The contact pressure that any one terminal docking section 223 ' generates circuit board 200 is no more than to the contact pressure that circuit board 200 generates Half.In addition, in order to guarantee that the lock of connector mould group 100 ' and circuit board 200 is stablized, it need to be by connector mould group Latching force between 100 ' and circuit board 200 is designed to minimum not less than 58.8 Ns.Furthermore the ear of conductive shell 1 ' is considered The factors such as the latching force ability to bears of 12 ' positions, the latching force ability to bear of circuit board 200, and need to be by connector mould group 100 ' Latching force between circuit board 200 is designed to maximum no more than 117.6 Ns.Buckling nut 300 described in the present embodiment is selected SUS 304 (stainless steel) material is made.Certainly, the elastic force, the grounding elastic slice of earthing member 7 ' of the terminal docking section 223 ' Elastic force and the latching force of buckling nut 300 etc. with the material of its own, length, thickness, shape design etc. factors it is related.? This is no longer described in detail.

In three embodiments in the present invention, the conductive shell 1 is by having the metal material system of electric conductivity Journey.In other embodiments, the conductive shell 1 is passed through by insulating material and is molded, at this point, described by insulating material At least local location of conductive shell 1 of processing procedure forms conductive layer by plating to realize function, for example, above-mentioned ground plane 115, The specific positions such as raised line 116, barrier shield 101 and earthing member holding tank 13 ' form conductive layer, and by making conductive layer and circuit Specified earthing position conducting on plate 200 is realized altogether.

In conclusion can be good between each group signal terminal 22 of the connector mould group 100 of the utility model design Realize shielding isolation；The structure of the insulating protective layer, solder joint protection module 4 and outer module 5 designs so that connector mould simultaneously 100 overall structures of group are stablized；In addition the signal terminal 22 with cable 3 of connector mould group 100 are by being welded and fixed, signal terminal 22 Connect with circuit board 200 by elastic compression joint so that the whole modularity of connector mould group 100, it is easily damaged after repairing replacement； In addition, the ground structure 302 of the cable 3 of connector mould group 100 realizes effect altogether by contacting with conducting wire shell 1；Furthermore originally Connector mould 100 manufacturing method thereofs of group of utility model design are simple, are suitable for large-scale industrial production, yield is controllable, and finished product makes It is long with the service life.

Above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although referring to preferred embodiment pair The utility model is described in detail, those skilled in the art should understand that, it can be to the technology of the utility model Scheme is modified or replaced equivalently, without departing from the spirit and scope of the technical scheme of the present invention.

Claims (10)

1. a kind of connector mould group, for dock with circuit board, including equipped with main part conductive shell and with the main part Mutually fixed terminal assemblies, the terminal assemblies include insulating body and the several groups signal end being fixed in the insulating body Son, each signal terminal include the terminal fixing part being fixed in the insulating body, are prolonged by described terminal fixing part one end It stretches and exposes the terminal connections portion outside the insulating body and conductive shell and extended and revealed by the terminal fixing part other end The terminal docking section of the insulating body and correspondence and circuit board contacts outside conductive shell out, the connector mould group further include Several groups cable, cable described in each group includes signal wire, the signal wire of each group cable and corresponding each group signal terminal Terminal connections portion is fixedly connected, it is characterised in that: the terminal docking section of each signal terminal is by way of elastic compression joint and circuit Plate contact, the lower surface of the conductive shell are fixedly provided with earthing member, and the earthing member is equipped with several grounding elastic slices, described each Grounding elastic slice is by way of elastic compression joint and circuit board contacts, each grounding elastic slice are not more than the value of elastic of circuit board each Half of the terminal docking section to the value of elastic of circuit board.

2. connector mould group according to claim 1, it is characterised in that: elastic force of each terminal docking section to circuit board It is not less than 0.392 N and maximum no more than 0.784 N to be worth range minimum.

3. connector mould group according to claim 1, it is characterised in that: the conductive shell divides at left and right sides of main part An ear has not been extended to form, and each ear extends through in up and down direction and is formed with a through-hole, the connector mould Group cooperates through-hole to fix with circuit board by least two locking nuts, the coupling mechanism force between the connector mould group and circuit board Range minimum is not less than 58.8 Ns and maximum no more than 117.6 Ns.

4. connector mould group according to claim 3, it is characterised in that: the several groups signal terminal is arranged at two rows, One through-hole is located at the left side of the terminal docking section of a corresponding row of signal terminals, another through-hole is located at corresponding another row's letter The right side of the terminal docking section of number terminal.

5. connector mould group according to claim 3, it is characterised in that: each ear extends through shape in up and down direction Cheng Youyi threaded hole, threaded hole and through-hole in each ear are arranged in front-rear direction interval, and the through-hole diameter is greater than The axial connecting line of screw thread bore dia, the axial connecting line of described two through-holes and described two threaded holes is located at same rectangle Two cornerwise both ends.

6. connector mould group according to claim 4, it is characterised in that: each group signal terminal includes transmission difference A pair of of signal terminal of signal, each row of signal terminals include eight pairs of signal terminals.

7. connector mould group according to claim 6, it is characterised in that: the grounding elastic slice includes extending in left-right direction Lateral grounding elastic slice and the vertical grounding elastic slice that extends along the longitudinal direction, each pair of signal in a wherein row of signal terminals Terminal surrounding surrounds setting there are two lateral grounding elastic slice and two vertical grounding elastic slices, in another row of signal terminals Each pair of signal terminal surrounding, which surrounds, is provided with a lateral grounding elastic slice and two vertical grounding elastic slices.

8. connector mould group according to claim 1, it is characterised in that: the grounding elastic slice and terminal docking section are in incline Oblique cantilever-shaped structure, after connector mould group is fixed on circuit board, the end of the grounding elastic slice and terminal docking section and electricity Road plate surface generates elastic freely-supported.

9. connector mould group according to claim 4, it is characterised in that: there are two the terminal assemblies are set, each terminal Component includes insulating component and the several groups signal terminal being fixed in the insulating component, and the insulating component includes several The insulating body being arranged in a row and the connection ontology for being connected as one several described insulating bodies, the main part Several are formed through in the Terminals Die group accommodating chamber of row setting and by described several Terminals Dies of a row in up and down direction The link slot that group accommodating chamber is communicated as one in left-right direction, the insulating body correspondence are contained in Terminals Die group accommodating chamber, The connection ontology correspondence is contained in link slot.

10. connector mould group according to claim 9, it is characterised in that: the upper surface of the main part is arranged to step Shape structure simultaneously forms upper loading end and forms the lower loading end of drop with the upper loading end, and the terminal connections portion is formed with two Row respectively corresponds positioned at the upper loading end and lower loading end, and the two rows terminal connections portion forms height section in up and down direction Difference, two layers of stacking setting of the several groups cable point, wherein layer line cable correspondence is connect with wherein row's terminal connections portion, in addition One layer line cable correspondence is connect with other row terminal connections portion, all terminal connections portions of at least one terminal assemblies with it is right The position of induction signal line contact is coated with solder joint protection module, and the connector mould group is additionally provided with the main part of conductive shell Upper surface, front and rear surfaces and the solder joint protection module outer module that all covering coats.