CN113937571A - Connector with terminal module - Google Patents

Abstract

A connector with terminal modules comprises a plurality of terminal modules, wherein each terminal module is provided with two independent terminal boards which are arranged in a stacked mode, and signal terminals in the two terminal boards form differential signal pairs in pairs; the outer sides of the two terminal boards are respectively provided with a shielding frame in a matching way, and the shielding frame is provided with a body part covering the outer side of the signal terminal and a transverse bending part bending towards one side and inserting the terminal board; the frame body of the conductive buckling frame covers the side face of one terminal board, a buckling part inserted into the second buckling groove is arranged on one side of the frame body, and the buckling part is in contact with the transverse bending part of the shielding frame to form a shielding piece used for shielding between the differential signal pairs. The structure of shielding frame itself can wrap up signal terminal, plays omnidirectional shielding effect. The transverse bending part of the shielding frame can play a role in connection and fixation when forming shielding between the signal terminals, and the structural stability is enhanced. The conductive buckle frame can be contacted with all the frame bodies of the shielding frame at the same time, so that the defect of poor multi-stage contact shielding effect is avoided.

Description

Connector with terminal module

Technical Field

The invention relates to a signal connector, in particular to a connector with a terminal module.

Background

Signal connectors such as optical connectors and electrical connectors are indispensable parts for signal connection in the communication industry, and are widely used in line connection in the communication industry. The connector comprises a plug part and a socket part. A plurality of terminal modules which are arranged in a parallel and concentrated mode are arranged in a shell of the socket, and a plurality of signal terminals forming a differential signal pair are arranged in each terminal module. This integrated arrangement results in very close distances between the signal terminals and their differential signal pairs, and reliable shielding measures are required between the signal terminals in order to achieve high-speed, high-quality signal transmission and reduce or avoid mutual interference between signals. The current adopted method is to arrange a metal shield around the signal terminal to realize the shielding between signals. Considering the factors of the arrangement mode of the differential signal pairs, the accuracy of the connection structure, the signal shielding effect of high-speed transmission, and the like, the terminal module structure of the existing connector cannot meet the requirements yet, and needs to be further improved.

Disclosure of Invention

The present invention is to overcome the above-mentioned drawbacks and to provide a connector having a terminal module.

The technical scheme adopted by the invention for solving the technical problems is as follows: a connector with terminal modules includes a receptacle and a plurality of terminal modules disposed in the receptacle, the terminal modules having two independent terminal blocks each including a signal terminal fixed by an insulating material, the two terminal blocks of the terminal modules being stacked such that the signal terminals in the two terminal blocks form a differential signal pair in pairs; the shielding frame is provided with a body part which covers the outer side of the signal terminal in the terminal board to form an outer side shield, and a transverse bending part which is bent from the body part to one side and is inserted into the second buckling groove; the terminal module is also provided with a conductive buckling frame, the frame body of the conductive buckling frame covers the side face of one terminal board, a buckling part which extends transversely and is inserted into the second buckling groove is arranged on one side of the frame body, and the buckling part is contacted with a transverse bending part of the shielding frame which is also inserted into the second buckling groove to form a shielding part for shielding between the differential signal pairs.

And the buckling part is provided with a second convex rib which is in compression joint with the transverse bending part.

The outer side end of the second convex rib is provided with an inclined plane for guiding the second convex rib to enter the second buckling groove.

The body part of the shielding frame is provided with a hollow-out opening for the buckling part of the conductive buckling frame to pass through.

The contact end of the terminal module is provided with a terminal grounding frame, the two shielding frames are arranged on two sides of the terminal grounding frame, and the shielding contacts at the lower end of the shielding frames are connected through the terminal grounding frame.

The terminal grounding frame comprises two connecting plates which are oppositely arranged, and the two connecting plates are connected through a plurality of connecting strips to form a hollow frame structure; the signal terminal contact of the signal terminal in the terminal module passes through the hollow frame; the third ground contacts of the two shielding frames are respectively connected with the terminal grounding frame from two sides.

The part that shielding frame lower extreme and its third ground contact are connected has the upper joint portion that is used for the joint of bending type along being in on the connecting plate and being used for wrapping up the extension of connecting plate lateral surface, the lower extreme at the extension is connected to the third ground contact.

And a connecting piece for connecting a third grounding contact is arranged on the connecting strip of the terminal grounding frame, third elastic claws connected with the third grounding contacts at the lower ends of the two shielding frames are arranged on two sides of the connecting piece respectively, and third accommodating grooves matched with the third elastic claws are formed in the third grounding contacts.

And a slot for the third grounding contact to pass through is formed in the connecting plate, and the third grounding contact passes through the slot and is connected with the third elastic claw of the terminal grounding frame.

And the outer side of the connecting plate of the terminal grounding frame is provided with a lap joint sheet connected with the terminal grounding frame of the adjacent terminal module.

The invention has the beneficial effects that: the body part of the shielding frame covering the outer side of the terminal board and the transverse bending part in the insertion end daughter board are used as shielding pieces, so that the signal terminal can be wrapped by the structure of the shielding frame, and the omnibearing shielding effect is achieved. The horizontal kink extension of shielding frame and inserting to corresponding second catching groove when forming the shielding between the signal terminal, can also play the effect of connection fixed, make the firm combination of shielding structure and terminal board as an organic whole, reinforcing structural stability. The conductive buckle frame can be contacted with the two shielding frames simultaneously, and the conductive buckle frame can be contacted with all the frame bodies of the shielding frames simultaneously after being buckled, so that the contact effect of different shielding frames is better, and the defect of poor shielding effect caused by multi-stage contact is avoided. And the conductive buckle frame also strengthens the connection structure of the terminal board when contacting and connecting the shielding frame, and simultaneously further increases the shielding effect by the part buckled and pressed on the outer wall of the shielding frame.

Drawings

FIG. 1 is a schematic view of the construction of the connector of the present invention;

FIG. 2 is a schematic view of an embodiment of the connection of the terminal module, the conductor holder and the shielding net in the socket of the present invention;

FIG. 3 is an enlarged view of a portion of area A of FIG. 2;

fig. 4 is a partial schematic view of the manner in which the shield mesh mates with the terminal modules in the receptacle;

fig. 5 is a schematic view of the connection of the terminal module to the socket housing;

FIG. 6 is a partial enlarged view of area B in FIG. 5;

FIG. 7 is a schematic structural view of a socket housing;

FIG. 8 is an enlarged partial view of area C of FIG. 7;

FIG. 9 is a schematic view of the bottom of the embodiment of FIG. 5;

FIG. 10 is a schematic view of one embodiment of a terminal module;

FIG. 11 is an exploded view of the embodiment of FIG. 10;

FIG. 12 is a schematic view of the embodiment of FIG. 10 after splicing;

FIG. 13 is a schematic view of the embodiment of FIG. 10 after the shield plate and the conductive support are assembled;

fig. 14 is a schematic view of the embodiment of fig. 10 before the shield plate and the conductive support are assembled;

fig. 15 is a schematic view of an embodiment of the terminal module of the present invention;

FIG. 16 is a schematic view of the arrangement of the conductive clasp frame of the embodiment of FIG. 15;

FIG. 17 is an exploded view of the embodiment of FIG. 15;

fig. 18 is a schematic view of the embodiment of fig. 15 with two shield brackets connected by a terminal grounding bracket;

FIG. 19 is a schematic illustration of the embodiment of FIG. 18 prior to attachment of the two shield brackets;

fig. 20 is a schematic view of the connection of the shield frame to the terminal grounding frame in the embodiment of fig. 18.

Reference numerals: 1. socket, 2, plug, 201, plug shield plate, 3, card holder, 4, tail plate, 5, terminal module, 501, contact end, 502, tail end, 503, shield contact, 5031, side wall portion, 504, terminal board, 5041, connecting groove, 5042, through hole, 5043, through groove, 5044, first catching groove, 5045, positioning post, 5046, second catching groove, 505, signal terminal, 5051, signal terminal contact, 506, conductive support frame, 5061, third catching head, 5062, second resilient claw, 507, first shield plate, 507 ', second shield plate, 5071, third catching groove, 5072, first bending portion, 5073, second bending portion, 5074, first catching head, 5075, first catching hole, 5076, positioning hole, 5077, first ground contact, 5077 ', second ground contact, 5078, first resilient claw, 5079, first receiving groove, 5079, second receiving groove, 508, shield plate, 5082, housing frame, 5077, first ground contact, second ground contact, 5077 ', second ground contact, and 5078, A transverse bending part, 5083, a hollow-out part, 5084, a third ground contact, 5085, an upper clamping part, 5086, an extending part, 5087, a third accommodating groove, 509, a conductive buckle frame, 5091, a frame body, 5092, a buckling part, 5093, a second convex rib, 510, a terminal grounding frame, 5101, a connecting plate, 5102, a connecting strip, 5103, a connecting sheet, 5104, a third elastic claw, 5105, a slot, 5106, a lapping sheet, 6, a socket shell, 601, a slot, 6011, a differential signal terminal clapboard, 6012, a coaming, 6013, a signal terminal contact groove, 6014, a signal terminal clapboard, 6015, a shielding contact clapboard, 6016, a shielding contact front groove, 7, a shielding contact side groove, 6018, a shielding contact rear groove, 7, a conductor frame, 701, a jack 702, a first convex rib, 8, a shielding net, 801, a window, 802 and a first contact element.

Detailed Description

The technical scheme of the invention is clearly and completely described below with reference to the accompanying drawings and the detailed description. The specific contents listed in the following examples are not limited to the technical features necessary for solving the technical problems to be solved by the technical solutions described in the claims. Meanwhile, the list is that the embodiment is only a part of the present invention, and not all embodiments.

As shown in fig. 1, the connector of the present invention includes a receptacle 1 and a header 2, the receptacle 1 having a plurality of terminal modules 5 arranged in a lateral stack. The tops of the terminal modules 5 are clamped and fixed by the clamping pieces 3 to be connected into a whole. The contact ends 501 of the terminal modules 5 are inserted in the socket housing 6, the tail ends 502 of which are provided with the tail plates 4.

As shown in fig. 10, 11, 16 and 17, the terminal module 5 has two independent terminal boards 504 arranged side by side, the main body of the terminal board 504 is made of insulating material, a plurality of signal terminals 505 are fixed in the insulating material by injection molding, and the upper ends of the signal terminals 505 are provided with contacts protruding from the front side of the terminal board 504 for connecting the tail board 4. Signal terminal contacts 5051 at the lower end of signal terminals 505 extend beyond terminal board 504 for connection to header 2. The signal terminals 505 in the two terminal blocks are arranged in pairs and constitute differential signal pairs. The side surfaces of both terminal blocks 504 in the terminal module 5 are each provided with a through hole 5042 or a through groove 5043 extending from the outer surface thereof to a position where the internal signal terminal is located.

A first shield is disposed between adjacent differential signal pairs in the two terminal blocks 504 and separates adjacent differential signal pairs to provide signal shielding to reduce or eliminate interference. The provision of a first shield that extends through both terminal blocks 504 allows for precise positioning of both signal terminals in a differential signal pair with the first shield acting as a support connection for both terminal blocks 504. A second shield for side shielding of the signal terminal 505 is provided outside the two terminal plates 504 arranged in a stacked manner; the first shielding piece and the second shielding piece are connected and conducted and are used for grounding.

Fig. 15 to 19 show an embodiment of a shield structure in which the terminal block 504 is provided with a second groove 5046 extending along the signal terminal line on one side of each signal terminal 505. That is, among the plurality of signal terminals in the terminal block, the second catching groove 5046 is provided between adjacent two signal terminals and outside of the outermost one of the signal terminals. A shielding frame 508 is disposed outside each of the two terminal plates 504 of the terminal module 5. The main body 5081 of the shield frame 508 covers the outside of the signal terminal 505 in the terminal block, and constitutes a second shield for external shielding.

The body 5081 is provided with a plurality of lateral bent portions 5082 bent to one side, and the lateral bent portions 5082 extend to be inserted into the corresponding second catching grooves 5046, thereby serving as a connecting and fixing function and forming a shield between the signal terminals. The terminal module 5 is further provided with a conductive buckle rack 509, a rack 5091 of the conductive buckle rack 509 covers the side surface of one of the terminal boards, one side of the rack 5091 is provided with a plurality of transversely extending buckling parts 5092, and the buckling parts 5092 are respectively inserted into corresponding second buckling grooves 5046 on the terminal board. The snap 5092 contacts a transverse bend 5082 of the shield bracket 508 that is also inserted into the second snap 5046 to form a first shield for shielding between differential signal pairs.

As shown in fig. 16 to 18, the fastening portion 5092 is provided with a plurality of second ribs 5093 which are pressed against the lateral bent portion 5082. The second rib 5093 extends along the extending direction of the fastening portion 5092, i.e. along the depth direction of the second slot 5046, and the outer end of the second rib 5093 may further have an inclined surface for guiding the second rib to enter the second slot 5046, so that the fastening portion 5092 is inserted into the second slot 5046 in an interference fit manner, the contact tightness between the fastening portion 5092 and the shielding frame 508 is enhanced, and a good and reliable grounding effect is ensured.

As shown in fig. 19, the transverse bending portion 5082 of the shielding frame 508 may be formed by punching and slitting a metal plate of the shielding frame 508 body and then bending, and correspondingly, a hollow 5083 is formed on the body portion 5081 of the shielding frame 508, and the hollow 5083 is configured to allow the fastening portion 5092 of the conductive fastening frame 509 to pass through.

As shown in fig. 18-20, the contact end of the terminal module 5 may be provided with a terminal grounding frame 510 for interconnecting the shield contacts of the shield assembly, such as the third grounding contact 5084 of the shield frame 508, in common conduction. Two shield frames 508 are provided on both sides of the terminal ground frame 510, and a plurality of shield contacts 503 at the lower ends of the shield frames 508 are connected by the terminal ground frame 510.

As shown in fig. 20, the terminal grounding frame 510 includes two oppositely disposed connecting plates 5101, and the two connecting plates 5101 are connected by a plurality of connecting strips 5102 to form a hollow frame structure; the signal terminal contacts of the signal terminals 505 in the terminal module 5 pass through the hollow frame and are not in contact with the hollow frame; the third ground contacts 5084 of the two shielding frames 508 are connected to the terminal ground frame 510 from both sides, respectively, so that the shielding frame 508 and the third ground contacts 5084 thereof are connected to ground in a common conduction manner.

Furthermore, the connecting portion of the lower end of the shielding frame 508 and the third ground contact 5084 has a transverse upper clamping portion 5085 formed by bending, the end of the upper clamping portion 5085 is an extending portion 5086 which is vertically inclined downward, and the third ground contact 5084 is connected to the inner side surface of the lower portion of the extending portion 5086. When connected, the upper clamping portion 5085 is clamped on the upper edge of the connecting plate 5101, and the extension 5086 wraps the outer side surface of the connecting plate 5101.

A connecting strip 5103 is arranged on a connecting strip 5102 between connecting plates 5101 on two sides of the terminal grounding frame 510, third spring claws 5104 are respectively arranged on two sides of the connecting strip 5103, and the third spring claws 5104 on the two sides are respectively connected with the portions, extending into the terminal grounding frame 510, of the third grounding contacts 5084 at the lower ends of the two shielding frames 508. In the illustrated embodiment, the third ground contact 5084 is provided with a third receiving groove 5087, and the third spring finger 5104 is adapted to be snapped into the third receiving groove 5087. The connecting plate 5101, the connecting strip 5102, the connecting sheet 5103 and other structural components of the terminal grounding frame 510 can adopt an integral structure formed by bending a metal plate after being integrally stamped, so that the processing is convenient, and the influence on grounding and shielding effects caused by multi-stage contact of multiple elements is avoided.

The third ground contacts 5084 are blade-like contact blades that are perpendicular to the face of the body portion of the cage 508, and the blade-like third ground contacts 5084 extend laterally into the terminal ground frame 510. A vertically arranged slot 5105 can be formed in the connecting plate 5101 corresponding to the third ground contact 5084, the upper end of the slot 5105 is sealed, the lower end of the slot 5105 extends to the bottom edge of the connecting plate 5101 to form an opening, the third ground contact 5084 is inserted into the terminal ground frame 510 from the lower side of the connecting plate 5101 through the slot 5105 and is connected with the third elastic claw 5104, and a clamping and fixing structure is formed by matching with an upper clamping portion 5085 in upper pressure connection to ensure the stable connection of all the parts.

The outer side of the connecting plate 5101 of the terminal grounding frame 510 is provided with a lapping plate 5106 connected with the terminal grounding frame of an adjacent terminal module, so that the common conduction grounding of shielding parts in a plurality of terminal modules can be enhanced.

In another embodiment of the shielding structure shown in fig. 10 and 11, the first shielding member is a conductive supporting frame 506, which includes a plurality of metal sheets having the same length and direction as the signal terminals 505. The terminal plate 504 is provided with a connection groove 5041 extending in the longitudinal direction of the signal terminal through the terminal plate in a region between adjacent signal terminals 505. Each of the metal pieces corresponds to one of the connection grooves 5041 and is interposed between the adjacent signal terminals 505. The metal plate is passed through both terminal plates 504 simultaneously, thus forming a shield between the differential signal pairs. Meanwhile, the metal sheet forming the conductive support frame 506 is clamped with the connecting groove 5041 on the terminal board in a matching manner, and the metal sheet forms a bending structure along the arc-shaped trend of the signal terminal, so that the conductive support frame 506 plays a role in supporting and fixing the two terminal boards 504, and the accuracy and the stability of a butt joint structure between the conductive support frame and the two terminal boards can be kept.

In this embodiment, the second shield member includes a first shield plate 507 and a second shield plate 507 ', and the first shield plate 507 and the second shield plate 507' are respectively provided outside the two terminal plates 504 to shield the outside. Two sides of the conductive support frame 506 are respectively connected with the first shielding plate 507 and the second shielding plate 507' at two sides through the two terminal plates 504, so as to realize common conduction and grounding.

In the illustrated embodiment, a plurality of third slots 5071 are provided on the first shielding plate 507 and the second shielding plate 507', and the third slots 5071 may be through holes or blind holes. The edges of the two sides of the conductive support 506 are respectively provided with a plurality of convex third clamping heads 5061, the two sides of the conductive support 506 respectively penetrate through the side surfaces of the two terminal boards, and the third clamping heads 5061 at the two sides are respectively clamped in the third clamping grooves 5071 of the first shielding plate 507 and the second shielding plate 507'. Alternatively, instead of the third notches 5071, elongated slits may be provided in the first and second shielding plates 507 and 507', and accordingly, a plurality of third tabs 5061 need not be provided on both sides of the conductive supporting frame 506, but rather, the side edges thereof are inserted into the slits. After the conductive support frame 506 passes through the two terminal plates 504 and is connected with the first shielding plate 507 and the second shielding plate 507 ', the differential signal pair is enclosed in a space surrounded by two adjacent metal sheets in the conductive support frame 506 and the first shielding plate 507 and the second shielding plate 507', the two sides and the upper and lower sides of the differential signal pair are well shielded, and signal interference can be effectively reduced or avoided.

As shown in fig. 11, a first bent portion 5072 is disposed at one side edge of the first shielding plate 507, a second bent portion 5073 is disposed at one side edge of the second shielding plate 507', and the first bent portion 5072 and the second bent portion 5073 are opposite to each other and can be connected to each other through a first clip 5074 and a first clip hole 5075 which are separately disposed. For example, as shown in fig. 14, a plurality of first locking portions 5074 are provided on the first bent portion 5072, and a plurality of first locking holes 5075 are provided on the second bent portion 5073. When the first and second bent portions 5072 and 5073 are connected, the first tab 5074 is engaged with the first engaging hole 5075. Similarly, the first clamping head 5074 may be disposed on the second bent portion 5073, and the first clamping hole 5075 may be disposed on the first bent portion 5072. After the first bent portion 5072 and the second bent portion 5073 are joined together, the outermost signal terminal 505 is wrapped therein to serve as a shield.

As shown in fig. 10 and 12, the two terminal plates 504 of the terminal module 5 are respectively provided with a first catching groove 5044, the first catching groove 5044 is provided along the outermost signal terminal 505, and after the first shielding plate 507 and the second shielding plate 507' are covered from both sides to the corresponding terminal plate 504, the first bent portion 5072 and the second bent portion 5073 can be respectively passed through the corresponding first catching groove 5044, so that the terminal module can be used as a connector. The first and second shield plates 507 and 507' and the terminal plate 504 form a stable connection structure, and the first and second bent portions 5072 and 5073 are formed to shield the signal terminal 505 inside the terminal plate 504 by surrounding it.

As shown in fig. 13 and 14, a plurality of first ground contacts 5077 are provided on a lower portion of the first shield 507, and a plurality of second ground contacts 5077 'are provided on a lower portion of the second shield 507'. The first ground contact 5077 and the second ground contact 5077' are positioned to surround the signal terminal contacts 5051 of each differential signal pair, respectively, to provide shielding against the signal terminal contacts 5051. The root of the second ground contact 5077' is provided with a first elastically deformable resilient claw 5078, which may be in the form of two fingers as shown in the figure, or may be in other shapes, so as to achieve the snap-fit function. The root of the first ground contact 5077 is provided with a first receiving groove 5079 which is in fit connection with the first elastic claw 5078, so that the connection structure of the first shielding plate 507 and the second shielding plate 507 'is strengthened, the common conduction grounding of the plurality of first ground contacts 5077 and the plurality of second ground contacts 5077' is realized at the contact part, and the shielding effect is strengthened.

Furthermore, the two sides of the lower end of the conductive supporting frame 506 may be respectively provided with a second elastic claw 5062 which can elastically deform, and the shape of the second elastic claw 5062 is similar to that of the first elastic claw 5078. The first and second ground contacts 5077, 5077 'are provided with second receiving grooves 5079' for mating engagement with the second latches 5062. Specifically, the first receiving groove 5079 and the first elastic claw 5078 may be respectively disposed on the first ground contact and the second ground contact on both sides in the first shielding plate 507 and the second shielding plate 507'. The second receiving groove 5079 'may be provided at the root of the first and second ground contacts located at the intermediate position among the first and second shield plates 507 and 507'.

As a reinforcement of the connection structure, as shown in fig. 10, the first shielding plate 507 and the second shielding plate 507' are provided with positioning holes 5076, and the two terminal blocks 504 of the terminal module 5 are respectively provided with positioning posts 5045 which are matched with the positioning holes of the first shielding plate and the second shielding plate.

Fig. 2-4 show the connection and grounding structure of the terminal module 5 and the socket housing, a conductor frame 7 is arranged between the socket housing 6 and the terminal module 5, and the contact end 501 of the terminal module 5 is inserted into the conductor frame 7 and then fixed in the socket housing 6. As shown in fig. 2, the conductor holder 7 has a plurality of rows of insertion holes 701 into which the respective sets of contacts on the respective terminal modules 5 are inserted, and the number and positions of the insertion holes 701 correspond to those of the insertion grooves on the receptacle housing 6. On the side of the conductor holder 7 facing the terminal module 5, a shielding mesh 8 is provided, which shielding mesh 8 has windows 801 adapted to the respective sockets 701 on the conductor holder 7. The conductor frame 7 is made of conductive plastic or conductive plastic, and the shielding net 8 is a metal piece fixed on the conductor frame 7. The contact ends of the terminal modules 5 are inserted into the conductor holder 7 and the receptacle housing 6 in this order through the windows 801 of the shielding mesh 8. After insertion, the shielding frame 8 is held in place at the root of the contact end of the terminal module 5, forming a shielding layer laterally covering the entire connector mating section.

As shown in fig. 2 to 4, the shield contacts 503 of all the terminal modules 5 inserted into the receptacle housing 6 are in contact with the shield mesh 8, and the shield members of the terminal modules 5 are commonly grounded through the shield mesh 8 by the shield mesh. As shown in fig. 3 and 4, each window 801 of the shielding mesh 8 is provided with a first contact piece 802 protruding toward the center of the window, and thereby comes into contact with the shield contact 503 of the inserted terminal module 5. For example, a spring piece is provided which is pressed and deformed by its shield contact 503 when the terminal module 5 is inserted to apply elastic pressure to the shield contact. The first contact 802 in the form of a spring plate may be disposed at only one side of the window 501, or may be disposed at two opposite sides of each window 801. The spring pieces are in contact with the side wall portions 5031 of the inserted shield contact 503.

As shown in fig. 3, a first rib 702 is disposed inside the socket 701 of the conductor frame 7, and the protruding height of the first rib 702 enables the first rib to abut against a sidewall of the plug shielding plate 201 surrounding the differential signal contacts in the plug 2, so that the common grounding of the plug shielding assembly and the receptacle shielding assembly is realized, and the shielding effect is improved.

As shown in fig. 5-9, the bottom of each slot 601 is provided with two symmetrical signal terminal contact slots 6013 separated by a differential signal terminal partition 6011, and the two signal terminal contact slots 6013 are respectively used for receiving the signal terminal contacts 5051 of the two signal terminals 505 constituting a differential signal pair in the terminal module 5.

As shown in fig. 6, the signal terminal contacts 5051 of both signal terminals 505 of a differential signal pair are inserted into and define positions by respective signal terminal contact slots 6013. Each signal terminal contact 5051 has two contact blades. A mating hole is formed in a position corresponding to an area between two contact blades in the signal terminal contact 5051 at the bottom of the signal terminal contact groove 6013 as shown in fig. 8, and a signal contact partition 6014 extending in the depth direction and used for separating the two contact blades in the signal terminal contact 5051 is formed in a position corresponding to the mating hole on a side wall of the signal terminal contact groove 6013.

The bottom of the slot 601 is provided with a built-in slot surrounding the two signal terminal contact slots 6013, into which the shielding contacts of the terminal module 5 and the plug shielding sheets in the plug can be inserted simultaneously, and the built-in slot is separated from the signal terminal contact slots 6013 by a surrounding plate 5012. The embedding slots include a shielding contact front-mounted slot 6016 extending along the arrangement direction of the two signal terminal contact slots 6013, a shielding contact side-mounted slot 6017 disposed on the side surface of one of the signal terminal contact slots 6013 and connected to one end of the shielding contact front-mounted slot 6016, and a shielding plate side-mounted slot disposed on the side surface of the other signal terminal contact slot 6013 and connected to the other end of the shielding contact front-mounted slot 6016, wherein the shielding contact front-mounted slot 6016 and the shielding contact side-mounted slots 6017 at the two ends thereof form a C-shaped through slot. The shape of the whole C-shaped through slot is matched with the shape of the plug shielding piece 201 surrounding the differential signal contact in the plug, and the plug shielding piece 201 can be inserted into the through slot. The shield contact front-mounted slot 6016 and the shield contact side-mounted slot 6017 may also be respectively used for inserting shield contacts in two directions in the terminal module 5.

For example, the terminal module 5 has two shield plates, a first shield plate and a second shield plate, respectively, and the shield contact at the lower end of each shield plate has a front shield claw, a side shield claw and a rear shield claw. The shield-contact front-mounting groove 6016 and the shield-contact side-mounting groove 6017 correspond to the front shield claw and the side shield claw, respectively, at the lower end of the shield plate. Meanwhile, the shielding contact inserted into the slot and the plug shielding sheet 201 are mutually compressed under the extrusion limit of the slot wall, so that the shielding effect of synchronous grounding is realized.

Among the plurality of slots 601 in the receptacle housing 6, one slot at the extreme end of each row of slots 601 is provided with a shield contact rear slot 6018 at the other side of the signal terminal contact slot 6013, which is opposite to the shield contact front slot 6016. The shield-contact-rear-slot 6018 can be inserted into the corresponding terminal-module shield contact (e.g., rear shield claw) and the plate-like shield piece in the plug at the same time.

A shielding contact partition 6015 is disposed on one inner side wall of each of the shielding contact front-located slot 6016 and the shielding contact rear-located slot 6018, and a gap is disposed between the shielding contact partition 6015 and the other inner side wall of the shielding contact front-located slot 6016 or the shielding contact rear-located slot 6018. One end of the shielding contact partition 6015 facing the bottom of the receptacle housing 6 is provided with a guiding inclined surface, and the other end is provided with a positioning step surface. The portion of the terminal module 5 where the front shielding claws at the lower ends of the two shielding plates meet can be held on the positioning step surface to define the insertion depth. The plug shield blades 201 may be inserted into the insertion grooves at the bottom of the insertion grooves 601 guided by the guide slopes and may be pressed by the shield contact partition 6015. The first rib 702 disposed inside the socket 701 of the conductor holder 7 is opposite to the shield contact partition 6015, and the plug shield 201 is pressed between the shield contact partition 6015 and the first rib 702, so that the plug shield 201 and the conductor holder 7 are grounded together. At the same time, the conductor holder 7 is provided with a connecting member (e.g., the first contact 802 of the shielding mesh 8) which is in contact with the shielding contact of the terminal module 5, so that the shielding members of the receptacle and the plug are grounded together as a whole, thereby improving the shielding effect.

The above description of the specific embodiments is only for the purpose of helping understanding the technical idea of the present invention and the core idea thereof, and although the technical solution is described and illustrated herein using the specific preferred embodiments, it should not be construed as limiting the present invention itself. Various changes in form and detail may be made therein by those skilled in the art without departing from the technical spirit of the present invention. Such modifications and substitutions are intended to be included within the scope of the present invention.

Claims (10)

1. A connector with terminal modules, comprising a receptacle (1) and a plurality of terminal modules (5) disposed in the receptacle (1), the terminal modules (5) having two independent terminal blocks (504), each terminal block (504) including a signal terminal (505) fixed by an insulating material, the two terminal blocks (504) of the terminal modules (5) being stacked such that the signal terminals (505) in the two terminal blocks form a differential signal pair in pairs; the method is characterized in that: the outer sides of two terminal boards (504) of the terminal module (5) are respectively provided with a shielding frame (508) in a matching way, one side of each signal terminal (505) on each terminal board (504) is provided with a second buckling groove (5046) extending along the trend of a signal terminal circuit, the shielding frame (508) is provided with a main body part (5081) covering the outer side of the signal terminal (505) in the terminal board to form outer side shielding, and a transverse bending part (5082) bending from the main body part (5081) to one side and inserting into the second buckling groove (5046); the terminal module (5) is further provided with a conductive buckle frame (509), a frame body (5091) of the conductive buckle frame (509) covers the side face of one terminal board, one side of the frame body (5091) is provided with a buckling part (5092) which extends transversely and is inserted into the second buckle groove (5046), and the buckling part (5092) is contacted with a transverse bending part (5082) of the shielding frame (508) which is also inserted into the second buckle groove (5046) to form a shielding part for shielding between differential signal pairs.

2. A connector with terminal modules according to claim 1, wherein: and the buckling part (5092) is provided with a second convex rib (5093) which is in pressure joint with the transverse bending part (5082).

3. A connector with terminal modules according to claim 2, wherein: the outer side end of the second convex rib (5093) is provided with a slope for guiding the second convex rib to enter the second buckle groove (5046).

4. A connector with terminal modules according to claim 1, wherein: the body part (5081) of the shielding frame (508) is provided with a hollow-out opening (5083) for the buckling part (5092) of the conductive buckling frame (509) to pass through.

5. A connector with terminal modules according to claim 1, wherein: the contact end of the terminal module (5) is provided with a terminal grounding frame (510), the two shielding frames (508) are arranged on two sides of the terminal grounding frame (510), and the shielding contacts (503) at the lower end of the shielding frames (508) are connected through the terminal grounding frame (510).

6. A connector with terminal modules according to claim 5, wherein: the terminal grounding frame (510) comprises two oppositely arranged connecting plates (5101), and the two connecting plates (5101) are connected through a plurality of connecting strips (5102) to form a hollow frame structure; the signal terminal contact of the signal terminal (505) in the terminal module (5) passes through the hollow frame; the third ground contacts (5084) of the two shield frames (508) are connected to the terminal ground frame (510) from both sides, respectively.

7. A connector with terminal modules according to claim 6, wherein: the part of the lower end of the shielding frame (508) connected with the third ground contact (5084) is provided with an upper clamping part (5085) which is formed by bending and used for clamping on the upper edge of the connecting plate (5101) and an extension part (5086) used for wrapping the outer side surface of the connecting plate (5101), and the third ground contact (5084) is connected with the lower end of the extension part (5086).

8. A connector with terminal modules according to claim 7, wherein: the terminal grounding frame is characterized in that a connecting strip (5102) of the terminal grounding frame (510) is provided with a connecting sheet (5103) used for being connected with a third grounding contact (5084), the two sides of the connecting sheet (5103) are provided with third elastic claws (5104) respectively connected with third grounding contacts (5084) at the lower ends of the two shielding frames (508), and third accommodating grooves (5087) matched with the third elastic claws (5104) are formed in the third grounding contacts (5084).

9. A connector with terminal modules according to claim 8, wherein: a slot (5105) for the third ground contact (5084) to pass through is formed in the connecting plate (5101), and the third ground contact (5084) passes through the slot (5105) and is connected with a third elastic claw (5104) of the terminal ground frame (510).

10. A connector with terminal modules according to claim 6, wherein: and the outer side of the connecting plate (5101) of the terminal grounding frame (510) is provided with a lapping plate (5106) connected with the terminal grounding frame of an adjacent terminal module.

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