CN110459919B - Differential connector and differential pair shielding structure and shielding buckle plate thereof - Google Patents

Differential connector and differential pair shielding structure and shielding buckle plate thereof Download PDF

Info

Publication number
CN110459919B
CN110459919B CN201811570795.4A CN201811570795A CN110459919B CN 110459919 B CN110459919 B CN 110459919B CN 201811570795 A CN201811570795 A CN 201811570795A CN 110459919 B CN110459919 B CN 110459919B
Authority
CN
China
Prior art keywords
shielding
differential
plate
hole
pair
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201811570795.4A
Other languages
Chinese (zh)
Other versions
CN110459919A (en
Inventor
袁俊峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Aviation Optical Electrical Technology Co Ltd
Original Assignee
China Aviation Optical Electrical Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Aviation Optical Electrical Technology Co Ltd filed Critical China Aviation Optical Electrical Technology Co Ltd
Publication of CN110459919A publication Critical patent/CN110459919A/en
Application granted granted Critical
Publication of CN110459919B publication Critical patent/CN110459919B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/514Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581Shield structure
    • H01R13/6585Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6586Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules

Abstract

The invention relates to a differential connector, a differential pair shielding structure thereof and a shielding buckle plate, wherein the shielding buckle plate comprises a plate body, the plate body is provided with an avoidance hole for avoiding a differential signal pair, the shielding buckle plate is also provided with a contact part for contacting and conducting with a shielding needle on a shielding sheet of each differential contact module, and the plate surface of the plate body is provided with a convex block for interference fit with a clamping groove on the shielding sheet or the plate surface of the plate body is provided with a clamping groove for interference fit with the convex block on the shielding sheet. The relative position between the shielding buckle plate and the shielding sheet is ensured to be fixed, and the shielding stability of the full shielding structure is further ensured. Meanwhile, the connection form is convenient, the whole structure is simple, and the manufacture is easy.

Description

Differential connector and differential pair shielding structure and shielding buckle plate thereof
Technical Field
The invention relates to a differential connector, a differential pair shielding structure and a shielding buckle plate thereof.
Background
The differential connector in the prior art includes a plurality of signal terminals and ground pins, where the signal terminals are arranged in a differential pair manner, and the corresponding ground pins are surrounded on the outer sides of the corresponding differential signal pairs, so as to provide electromagnetic shielding for the corresponding differential pairs.
As shown in U.S. patent publication No. US2007155241a1, there are a plurality of L-shaped shielding plates arranged in a matrix in a backplane connector, each L-shaped shielding plate is a shielding pin, and the L-shaped shielding plates shield the differential signal pairs surrounded by the L-shaped shielding plates, so as to reduce crosstalk, but the shielding pins are not conductive to each other inside the backplane connector, so that each shielding pin is an independent signal return path, which causes an incomplete return path and is easy to generate resonance, thereby affecting signal transmission in a higher bandwidth.
Disclosure of Invention
The invention aims to provide a differential pair shielding structure, which aims to solve the problems of incomplete backflow path and resonance generation caused by the arrangement form of a grounding shielding structure in the prior art; the invention also aims to provide a shielding buckle plate of the differential pair shielding structure; the invention also aims to provide a differential connector using the differential pair shielding structure.
In order to achieve the purpose, the technical scheme of the shielding buckle plate is as follows:
the shielding buckle plate comprises a plate body, wherein the plate body is provided with an avoiding hole for avoiding a differential signal pair, and is also provided with a contact part for being in contact conduction with a shielding needle on a shielding sheet of each differential contact module, and the plate surface of the plate body is provided with a lug for being in interference clamping fit with a clamping groove on the shielding sheet or a clamping groove for being in interference clamping fit with the lug on the shielding sheet.
Further, in order to guarantee fixed connection stability, the dodge hole has more than two, and each dodges the hole interval arrangement on the face of board body, on the board body adjacent two dodge the position department between the hole be equipped with be used for with the shielding piece on draw-in groove interference adaptation the lug.
Further, in order to simplify the structure, the contact portion is provided on the bump.
Furthermore, in order to realize the stability of shielding conduction, a through hole for the shielding needle to extend into is arranged on the plate body, and the wall of the through hole is used for the shielding needle to puncture and contact to form the contact part.
Furthermore, in order to realize the relatively correct buckling of the shielding sheet and the shielding buckle plate, the plate body is further provided with a positioning block which is used for being clamped with the positioning groove in the insulating support body in an adaptive mode.
Further, for the formation of annular shielding chamber, the contact site is located the both sides that carry on the back of the body of the width direction of dodging the hole, the locating piece is located the both sides that carry on the back of the body of the length direction of dodging the hole.
Furthermore, in order to realize the automatic alignment and positioning of the shielding buckle plate, the section of the positioning block is trapezoidal.
Further, the shielding buckle is made of metal materials or plastic plating materials for convenience of processing and manufacturing.
Further, in order to increase the types of applicable connectors, the avoidance holes are more than two, and the avoidance holes are arranged on the plate surface of the plate body in an array mode.
The technical scheme of the differential pair shielding structure is as follows:
differential pair shielding structure, including the insulating support body, be equipped with differential pair shielding unit on the insulating support body, differential pair shielding unit includes two at least shielding pieces, be equipped with differential signal pair installation cavity between two adjacent shielding pieces, differential pair shielding structure still includes the shielding buckle with each shielding piece turn-on connection, the shielding buckle includes the board body, be equipped with on the board body and be used for dodging the hole of dodging of differential signal pair, still be equipped with the contact site that switches on with the shielding needle contact on the shielding piece of each differential contact module, the shielding piece is equipped with the draw-in groove and realizes the lug of the two fixed connection with draw-in groove interference card cooperation on the face of board body.
Further, in order to guarantee fixed connection stability, the dodge hole has more than two, and each dodges the hole interval arrangement on the face of body of the board, the draw-in groove sets up between two adjacent difference pair installation cavities, corresponding position department between two adjacent dodge holes on the body of the board is equipped with the lug.
Further, in order to simplify the structure, the contact portion is provided on the bump.
Furthermore, in order to realize the stability of shielding conduction, a through hole for the shielding needle of the shielding sheet to extend into is arranged on the plate body, the hole wall of the through hole forms the contact part, and a piercing edge which is in piercing contact with the hole wall and is matched with the shielding needle of the shielding sheet is arranged on the shielding needle of the shielding sheet.
Furthermore, in order to realize the relatively correct buckling of the shielding sheet and the shielding buckle plate, the insulating support body and the plate body are respectively provided with a positioning groove for positioning the shielding buckle plate and a positioning block clamped with the positioning groove in an adaptive manner.
Further, for the formation of annular shielding chamber, the contact site is located the both sides that carry on the back of the body of the width direction of dodging the hole, the locating piece is located the both sides that carry on the back of the body of the length direction of dodging the hole.
Furthermore, in order to realize the automatic alignment and positioning of the shielding buckle plate, the section of the positioning block is trapezoidal.
Further, the shielding buckle is made of metal materials or plastic plating materials for convenience of processing and manufacturing.
Further, in order to increase the types of applicable connectors, the avoidance holes are more than two, and the avoidance holes are arranged on the plate surface of the plate body in an array mode.
The technical scheme of the differential connector is as follows:
differential connector, including differential contact module, differential contact module includes the insulating support body and sets up the differential pair shielding unit on the insulating support body, differential pair shielding unit includes two at least shielding pieces, be equipped with differential signal pair installation cavity between two adjacent shielding pieces, differential signal pair is installed to the installation cavity, differential pair shielding structure still includes the shielding buckle with each shielding piece turn-on connection, the shielding buckle includes the board body, be equipped with on the board body and be used for dodging differential signal pair dodge the hole of dodging, still be equipped with the contact site that switches on with the shielding needle contact on each differential contact module's the shielding piece, shielding piece and the face of board body go up the branch and be equipped with the draw-in groove and with draw-in groove interference card join in marriage the lug that realizes the two fixed connection.
Further, in order to guarantee fixed connection stability, the dodge hole has more than two, and each dodges the hole interval arrangement on the face of body of the board, the draw-in groove sets up between two adjacent difference pair installation cavities, corresponding position department between two adjacent dodge holes on the body of the board is equipped with the lug.
Further, in order to simplify the structure, the contact portion is provided on the bump.
Furthermore, in order to realize the stability of shielding conduction, a through hole for the shielding needle of the shielding sheet to extend into is arranged on the plate body, the hole wall of the through hole forms the contact part, and a piercing edge which is in piercing contact with the hole wall and is matched with the shielding needle of the shielding sheet is arranged on the shielding needle of the shielding sheet.
Furthermore, in order to realize the relatively correct buckling of the shielding sheet and the shielding buckle plate, the insulating support body and the plate body are respectively provided with a positioning groove for positioning the shielding buckle plate and a positioning block clamped with the positioning groove in an adaptive manner.
Further, for the formation of annular shielding chamber, the contact site is located the both sides that carry on the back of the body of the width direction of dodging the hole, the locating piece is located the both sides that carry on the back of the body of the length direction of dodging the hole.
Furthermore, in order to realize the automatic alignment and positioning of the shielding buckle plate, the section of the positioning block is trapezoidal.
Further, the shielding buckle is made of metal materials or plastic plating materials for convenience of processing and manufacturing.
Further, in order to increase the types of applicable connectors, the avoidance holes are more than two, and the avoidance holes are arranged on the plate surface of the plate body in an array mode.
The invention has the beneficial effects that: compared with the prior art, the differential pair shielding structure has the advantages that the shielding connection between the shielding buckle plate and the shielding sheets is realized, the shielding connection of the shielding sheets is realized through the shielding buckle plate, the shielding sheets and the shielding buckle plate form a full shielding cavity, the leakage of magnetic field energy is reduced, the external signal interference is reduced, the fixing of the relative position between the shielding buckle plate and the shielding sheets is ensured through the mutual interference clamping and matching of the clamping grooves and the convex blocks which are respectively arranged on the shielding sheets and the shielding buckle plate, and the shielding stability of the full shielding structure is further ensured. Meanwhile, the connection form is convenient, the whole structure is simple, and the manufacture is easy.
Drawings
Fig. 1 is a schematic structural diagram of a differential connector according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of the shield clip of FIG. 1;
FIG. 3 is a schematic view of the assembly structure of the shielding buckle and the shielding plate in FIG. 1;
FIG. 4 is a schematic view of the assembled structure of the shield buckle and the differential pair contact unit in FIG. 1;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
fig. 6 is a cross-sectional view of fig. 4.
Description of reference numerals: 1-an electrically conductive housing part; 2-differential pair contact module; 3-shielding buckle plate; 4-a shielding sheet; 5-differential signal pair; 6-an insulating support; 31-a plate body; 32-a receiving hole; 33-perforating; 34-a positioning block; 35-a bump; 36-avoidance groove; 41-shielding needle; 42-card slot; 61-positioning groove.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
A differential connector 1 according to the present invention, as shown in fig. 1 to 6, includes a conductive housing member 1, a plurality of differential pair contact modules 2 attached side by side are disposed in the conductive housing member 1, each differential pair contact module 2 includes an insulating support 6 and a plurality of differential signal pairs 5 disposed on the insulating support 6, each differential signal pair 5 is disposed side by side along an up-down direction, shielding plates 4 are disposed between two adjacent differential signal pairs 5 and outside the outermost differential signal pair 5, each shielding plate 4 has a shielding pin 41, the shielding pin 41 is defined to be located at a front side of the shielding plate 4 and extend back and forth, that is, a differential pair mounting cavity is formed between two adjacent shielding plates 4, a differential signal pair 5 is disposed in the differential pair mounting cavity, in this embodiment, the differential pair contact modules 2 are connected together by a connecting member, and the front end of the shielding sheet 4 is connected with a shielding buckle plate 3. The shielding pinch plate 3 and each shielding sheet 4 form a differential pair shielding structure for forming annular shielding for the differential pair.
For the shielding buckle 3, in this embodiment, the shielding buckle 3 includes a board body 31, an avoiding hole 32 for avoiding the differential signal pair 5 is formed in the board body 31 by extending through the front and rear board surfaces, and in an actual assembly process, when the shielding buckle 3 is buckled on the front end of the shielding plate 4, the differential signal pair 5 passes through the avoiding hole 32 and is connected with the corresponding printed board. Certainly, in this embodiment, the arrangement of the avoiding hole 32 also forms an annular shield for the differential signal pair 5 in the avoiding hole 32, so as to realize stable transmission of signals, reduce leakage of magnetic field energy, and reduce interference of external signals.
The plate body 31 is further provided with a contact portion which is in contact with the contact of the shield plate 4 to achieve conduction, and the contact portion is mainly arranged to achieve series conduction of the shield plates 4 on the peripheral sides of the differential signal pairs 5, thereby achieving full shielding of the differential signal pairs 5. In this embodiment, the plate body 31 and the shielding plate 4 are respectively provided with a clamping groove 42 and a projection 35 which is in interference fit with the clamping groove 42 to realize the fixed connection between the two, so that the design can realize the fixation of the relative position between the shielding buckle plate 3 and the shielding plate 4, and the stability of shielding conduction is ensured. In this embodiment, the shielding plate 4 is provided with a U-shaped groove concavely towards the rear side, the U-shaped groove forms a clamping groove 42, and the shielding buckle 3 is correspondingly provided with a projection 35 which is in interference fit with the U-shaped groove. The shielding buckle plate is convenient to design and manufacture, a complete shielding cavity is formed between the shielding buckle plate 3 and the shielding sheet 4, magnetic field energy leakage is reduced, and external signal interference is reduced. In the present embodiment, in order to further simplify the structural design, the connection stability of the shield pinch plate 3 and the shield plate 4 at each position is improved. The number of the avoiding holes 32 is two or more, each avoiding hole 32 is arranged on the plate surface of the plate body 31 at intervals, the clamping groove 42 is arranged between two adjacent differential pair mounting cavities, and the corresponding position between two adjacent avoiding holes 32 on the corresponding plate body 31 is provided with the lug 35. This enables a relatively fixed connection to the shield plate 4 by avoiding the position on the circumferential side of the hole 32.
Meanwhile, in the embodiment, the contact portion is disposed on the bump 35, so that the structure of the integral shielding buckle 3 is more compact and the integration is higher. The plate body 31 is provided with a through hole 33 into which the shielding needle 41 of the shielding plate 4 extends, the hole wall of the through hole 33 forms the contact part, a radially extending piercing edge is correspondingly arranged on the peripheral side of the shielding needle 41 of the shielding plate 4, when the shielding needle 41 extends into the through hole 33, the piercing edge pierces the inner wall of the through hole 33 and is tightly contacted with the through hole 33, so that shielding conduction between the shielding plate 4 and the shielding buckle plate 3 is realized, and the conduction form structure is relatively stable and has higher reliability.
Still be equipped with the constant head tank 61 that is used for fixing a position shielding buckle 3 on the insulating support body 6, only can't realize the accurate positioning of shielding buckle 3's position through lug 35 and draw-in groove 42 block fit on the shielding buckle 3, consequently there is foretell constant head tank 61 on insulating support body 6, the corresponding locating piece 34 of pegging graft with constant head tank 61 adaptation location is equipped with on the board body 31 of shielding buckle 3, in this embodiment, adjust well in order to realize automatic guiding, foretell constant head tank 61 is the dovetail groove, the dovetail groove is the flaring structure, the locating piece 34 that corresponds is the trapezoidal piece that matches with the dovetail groove structure, the direction of realizing locating piece 34 through the both sides waist of dovetail groove is inserted. Meanwhile, the through holes 33 are located on two sides of the avoidance hole 32 opposite to each other in the width direction (i.e., in the up-down direction), and the corresponding positioning blocks 34 are located on two sides of the avoidance hole 32 opposite to each other in the length direction, so that the shielding buckle plate 3 can be stably and accurately fastened and fixed on the shielding plate 4.
Furthermore, in this embodiment, the front end pin of the differential signal pair 5 needs to be welded on the printed board, in this embodiment, an avoiding groove 36 for avoiding the pad of the printed board is provided on the front plate surface of the shielding buckle plate 3, and the receiving hole is provided in the center of the bottom of the avoiding groove 36, so that the pad of the printed board can extend into the insulator of the differential signal pair 5 to be oppositely attached and pressed, and the reliability of pressing connection is improved.
In this embodiment, the shielding buckle 3 may be made of a metal material or a plastic plating material to achieve shielding conduction stability. Meanwhile, in the present embodiment, there are a plurality of the avoiding holes 32, and the corresponding avoiding holes 32 are arranged in an array along the up-down direction and the left-right direction on the plate surface of the plate body. This is accompanied by a staggered arrangement of the clearance holes 32 of two adjacent columns.
The embodiment 1 described above is an optimized implementation of the differential connector of the present invention, and in other embodiments, the structure thereof may be optimized and simplified according to actual needs.
In embodiment 2 of the differential connector of the present invention, in this embodiment, the structure of the differential connector is simplified, and specifically, the differential connector includes a differential contact module, the differential contact module includes an insulating support and a differential pair shielding unit disposed on the insulating support, the differential pair shielding unit includes at least two shielding plates, a differential signal pair installation cavity is disposed between two adjacent shielding plates, a differential signal pair is installed in the differential signal pair installation cavity, the differential pair shielding structure further includes a shielding buckle plate conductively connected to each shielding plate, the shielding buckle plate includes a plate body, the plate body is provided with an avoiding hole for avoiding the differential signal pair, and a contact portion in contact conduction with a shielding pin on the shielding plate of each differential contact module, the shielding piece and the plate body are respectively provided with a clamping groove and a lug which is in interference fit with the clamping groove to realize the fixed connection of the shielding piece and the plate body.
The shielding piece and the shielding buckle plate form a full shielding cavity, magnetic field energy leakage is reduced, external signal interference is reduced, and clamping grooves and lugs which are respectively arranged on the shielding piece and the shielding buckle plate are in interference fit with each other, so that the relative position between the shielding buckle plate and the shielding piece is fixed, and the shielding stability of a full shielding structure is further ensured.
In embodiment 3 of the differential connector of the present invention, as a further optimization of embodiment 2, the number of the avoiding holes is two or more, each avoiding hole is arranged on the plate surface of the plate body at an interval, the clamping groove is arranged between two adjacent differential pair mounting cavities, and the plate body is provided with the protruding block at a corresponding position between two adjacent avoiding holes. Set up the lug through adjacent two between dodging the hole, convenient design guarantees overall structure's stable connection, makes things convenient for application of force and dismouting simultaneously. Of course, in other embodiments, a card slot may be disposed on the board body, and a bump may be disposed on the shielding sheet; the convex block is not arranged between two adjacent avoiding holes, the convex block is directly arranged at the corner of the buckle plate, and the clamping groove is arranged on the shielding plate at the corresponding position.
Embodiment 4 of the differential connector of the present invention, as a further optimization of embodiment 3, the contact portion is provided on the bump. Therefore, the structural design can be simplified, and the compactness of the whole structure is improved. Of course, in other embodiments, the contact portion may be disposed outside the bump.
In embodiment 5 of the differential connector according to the present invention, as a further optimization of embodiment 3, the plate body is provided with a through hole into which the shield pin of the shield plate is inserted, a hole wall of the through hole constitutes the contact portion, and the shield pin of the shield plate is provided with a piercing edge that is in piercing contact with and fits in the hole wall. The puncture edge is matched with the puncture of the inner wall of the perforation, so that the connection stability between the shielding sheet and the shielding buckle plate can be ensured. And the smooth conduction of shielding is realized. Of course, in other implementations, the corresponding plate surface of the body and the shielding sheet can be directly pressed and contacted without the through hole. The connection between the two can be realized in a mode of directly arranging the elastic sheet contact in the through hole, or the conduction is realized through interference insertion.
In embodiment 6 of the differential connector according to the present invention, as a further optimization of any one of embodiments 2 to 5, the insulating support and the board body are respectively provided with a positioning groove for positioning the shielding buckle and a positioning block adapted to be engaged with the positioning groove. The position of the shielding buckle plate is positioned.
In embodiment 7 of the differential connector according to the present invention, as a further optimization of embodiment 6, the contact portions are located on opposite sides of the avoidance hole in the width direction, and the positioning blocks are located on opposite sides of the avoidance hole in the length direction. The positions of the peripheral sides of the differential pairs are connected relatively to form the integral annular shield, the structure is simple, and the structure is compact. In other embodiments, the locating blocks may be disposed on both sides of the width of the avoidance hole.
In embodiment 8 of the differential connector according to the present invention, as a further optimization of embodiment 6, the positioning block has a trapezoidal cross section. Convenient location and automatic alignment. In other embodiments, the shape of the groove can be V-shaped or U-shaped.
In embodiment 9 of the differential connector according to the present invention, as a further preferable configuration to any one of embodiments 2 to 5, the shield gusset is formed of a metal material or a plastic plating material. Convenient processing and forming blocks.
In embodiment 10 of the differential connector according to the present invention, as a further optimization of any one of embodiments 2 to 5, two or more of the avoiding holes are provided, and the avoiding holes are arranged in an array on the plate surface of the plate body. The array form can be formed for each differential pair, and the applicable types of the connector are increased.
The differential pair shield structure according to the present invention has a configuration similar to that of the differential pair shield structure in any of the above-described embodiments of the differential connector, and is not expanded in detail.
The shield gusset plate according to the embodiment of the present invention has a structure identical to that of the shield gusset plate of any of the embodiments of the differential connector described above, and is not developed in detail.

Claims (4)

1. Differential connector, including pasting the differential contact module established side by side, every differential contact module includes insulating support body and the differential pair shielding unit of setting on insulating support body, and every differential pair shielding unit includes two at least shielding pieces, is equipped with differential signal pair installation cavity between two adjacent shielding pieces, and differential signal is installed differential signal pair, its characterized in that in the differential signal pair installation cavity: each differential signal pair of each differential contact module is arranged side by side along the up-down direction, shielding pieces are arranged between two adjacent differential signal pairs and outside the differential signal pair on the outermost side, each shielding piece is provided with a shielding needle which is positioned at the front side of the shielding piece and extends forwards and backwards, each differential pair contact module is connected together through a connecting piece in a combined way, the differential pair shielding structure further comprises a shielding buckle plate which is in conduction connection with each shielding piece, the shielding buckle plate is connected at the front end of the shielding piece and is formed by a metal material or a plastic electroplating material, the shielding buckle plate comprises a plate body, a avoiding hole for avoiding the differential signal pair is arranged on the plate body, a contact part which is in contact conduction with the shielding needle on the shielding piece of each differential contact module is also arranged, a through hole for the shielding needle of the shielding piece to stretch into is arranged on the plate body, and the through hole wall of the through hole forms the contact part, the shielding needle of the shielding sheet is provided with a piercing edge which is in piercing contact fit with the hole wall, the contact part is arranged on the convex block, and the surfaces of the shielding sheet and the plate body are respectively provided with a clamping groove and a convex block which is in interference fit with the clamping groove to realize the fixed connection of the shielding sheet and the plate body; the dodge hole has more than two, and each dodges the array arrangement on the face of hole at the board body, and each dodges the interval arrangement on the face of hole at the board body, the draw-in groove sets up between two adjacent difference pair installation cavities, be equipped with corresponding position department between two adjacent dodge holes on the board body the lug.
2. The differential connector of claim 1, wherein: the insulating support body and the plate body are respectively provided with a positioning groove for positioning the shielding pinch plate and a positioning block clamped with the positioning groove in an adaptive manner.
3. The differential connector of claim 2, wherein: the contact position is located the both sides that carry on the back of the body of the width direction of dodging the hole, the locating piece is located the both sides that carry on the back of the body of the length direction of dodging the hole.
4. The differential connector of claim 2, wherein: the cross section of the positioning block is trapezoidal.
CN201811570795.4A 2018-06-29 2018-12-21 Differential connector and differential pair shielding structure and shielding buckle plate thereof Active CN110459919B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810717367 2018-06-29
CN2018107173673 2018-06-29

Publications (2)

Publication Number Publication Date
CN110459919A CN110459919A (en) 2019-11-15
CN110459919B true CN110459919B (en) 2022-01-25

Family

ID=68471670

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811570795.4A Active CN110459919B (en) 2018-06-29 2018-12-21 Differential connector and differential pair shielding structure and shielding buckle plate thereof

Country Status (1)

Country Link
CN (1) CN110459919B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111182778A (en) * 2019-12-31 2020-05-19 上海航天科工电器研究院有限公司 Fully-shielded differential contact module and preparation method thereof
CN212849124U (en) 2020-06-19 2021-03-30 东莞立讯技术有限公司 Back panel connector
CN114122831B (en) * 2020-08-27 2023-04-28 华为技术有限公司 Connector assembly and communication equipment
CN112636060B (en) * 2020-11-30 2022-04-22 中航光电科技股份有限公司 Connector with a locking member

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101783449A (en) * 2008-12-05 2010-07-21 泰科电子公司 Electric connector system
CN104300313A (en) * 2013-12-05 2015-01-21 中航光电科技股份有限公司 Full-shielding-type difference connector
CN105284009A (en) * 2013-02-27 2016-01-27 莫列斯有限公司 Compact connector system
CN205565053U (en) * 2016-03-09 2016-09-07 安费诺(常州)高端连接器有限公司 High -speed back panel connector of two ground connection
CN106450853A (en) * 2015-04-30 2017-02-22 莫列斯有限公司 Slice and method for preparing same
CN207530119U (en) * 2017-09-30 2018-06-22 中航光电科技股份有限公司 Connector assembly and its back panel connector, differential pair shielding construction
CN109599729A (en) * 2017-09-30 2019-04-09 中航光电科技股份有限公司 A kind of connector and its contact module

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101783449A (en) * 2008-12-05 2010-07-21 泰科电子公司 Electric connector system
CN105284009A (en) * 2013-02-27 2016-01-27 莫列斯有限公司 Compact connector system
CN104300313A (en) * 2013-12-05 2015-01-21 中航光电科技股份有限公司 Full-shielding-type difference connector
CN106450853A (en) * 2015-04-30 2017-02-22 莫列斯有限公司 Slice and method for preparing same
CN205565053U (en) * 2016-03-09 2016-09-07 安费诺(常州)高端连接器有限公司 High -speed back panel connector of two ground connection
CN207530119U (en) * 2017-09-30 2018-06-22 中航光电科技股份有限公司 Connector assembly and its back panel connector, differential pair shielding construction
CN109599729A (en) * 2017-09-30 2019-04-09 中航光电科技股份有限公司 A kind of connector and its contact module

Also Published As

Publication number Publication date
CN110459919A (en) 2019-11-15

Similar Documents

Publication Publication Date Title
CN110459919B (en) Differential connector and differential pair shielding structure and shielding buckle plate thereof
CN213460337U (en) Terminal module and backplane connector
CN110391550B (en) Electric connector
CN106450853B (en) Sheet and method for producing sheet
US10103501B2 (en) Electrical connector with better ant-EMI effect
CN110071386B (en) Electrical connector
CN216354865U (en) Electrical connector
CN112636092B (en) High-speed backplane connector
CN112134095A (en) Card edge connector
CN218677857U (en) Back panel connector
CN112038803B (en) Electrical connector
CN112260010A (en) Electric connector combination and electric connector thereof
TW202130069A (en) Electrical connector
CN211428398U (en) Electrical connector
CN114976782A (en) Back panel connector
CN216085565U (en) Electrical connector
CN113328296B (en) Electrical connector assembly
CN110459887B (en) Printed board assembly and differential connector and shielding buckle plate thereof
CN109586067B (en) Electrical connector
CN111431000B (en) Electrical connector
CN109301544B (en) Electrical connector
CN109560405B (en) Electrical connector
CN110212377B (en) Connector and shielding piece
CN112909595A (en) Shielding plate, terminal module using shielding plate and female terminal connector
CN112736529A (en) Electrical connector

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant