阅读说明：本技术 高速电连接器及接触件模块 (High-speed electric connector and contact module ) 是由 张翔 张爽 张仁龙 袁俊峰 于 2019-09-30 设计创作，主要内容包括：本发明涉及高速电连接器及接触件模块,接触件模块包括屏蔽片组,屏蔽片组的屏蔽片与差分信号对一一对应,屏蔽片宽度方向上两侧边沿均设有朝向接地接触件延伸的接触片,与同一个接地接触件接触的接触片沿接地接触件长度方向布置形成接触片屏蔽组,屏蔽片与其宽度方向两侧的接触片屏蔽组共同围成屏蔽差分信号对的U形屏蔽腔。屏蔽片宽度方向两侧的接触片能够通过接地接触件使各屏蔽片形成一个整体,保证对差分信号对的屏蔽效果,不需要在屏蔽片上开孔,并且屏蔽片与两侧的接触片屏蔽组共同围成屏蔽差分信号对的U形屏蔽腔。本发明的屏蔽片体设置多个,避免了在屏蔽板上开孔造成的目前的接触件模块防信号串扰能力差的问题。(The invention relates to a high-speed electric connector and a contact element module, wherein the contact element module comprises a shielding sheet set, shielding sheets of the shielding sheet set correspond to differential signal pairs one by one, contact sheets extending towards a grounding contact element are arranged on the edges of two sides of the shielding sheet in the width direction, the contact sheets contacting with the same grounding contact element are arranged in the length direction of the grounding contact element to form a contact sheet shielding set, and the shielding sheets and the contact sheet shielding sets on the two sides of the shielding sheet in the width direction jointly enclose a U-shaped shielding cavity for shielding the differential signal pairs. The contact pieces on the two sides of the width direction of the shielding piece can enable the shielding pieces to form a whole through the grounding contact pieces, so that the shielding effect on the differential signal pair is ensured, no hole needs to be formed in the shielding piece, and the shielding piece and the contact piece shielding groups on the two sides jointly form a U-shaped shielding cavity for shielding the differential signal pair. The shielding sheet bodies are arranged in a plurality, so that the problem that the existing contact piece module is poor in signal crosstalk prevention capacity due to the fact that holes are formed in the shielding plate is solved.)

1. A contact module, comprising:

an insulator;

a plurality of ground contacts;

the signal contact pieces are arranged in the insulator in pairs, and the two signal contact pieces form a differential signal pair;

the signal contact and the grounding contact are arranged in parallel in the insulator, and the differential signal pair is arranged between the two grounding contacts;

it is characterized in that the preparation method is characterized in that,

the contact module further includes:

the shielding sheet group comprises a plurality of shielding sheets, the shielding sheets correspond to the differential signal pairs one by one, and the shielding sheets are positioned on one side of the differential signal pairs and extend along the extension direction of the differential signal pairs;

the edges of two sides of the shielding sheets in the width direction are provided with contact sheets extending towards the grounding contact element, and the contact sheets on one side, close to each other, of the two adjacent shielding sheets are in contact with the same grounding contact element;

the contact pieces contacted with the same grounding contact piece are arranged along the length direction of the grounding contact piece to jointly form a contact piece shielding group used for shielding the differential signal pairs on the two sides between the differential signal pairs on the two sides of the grounding contact piece, the grounding contact pieces on the two sides of the differential signal pairs are both connected with the contact piece shielding group, and the shielding pieces and the contact piece shielding groups on the two sides of the width direction of the shielding pieces jointly enclose a U-shaped shielding cavity for shielding the differential signal pairs.

2. The contact module of claim 1, wherein at least one of the ground contacts has a receptacle for mating with the contact pad, and the contact pad for mating with the receptacle is a plug contact.

3. The contact module of claim 2, wherein the plug contacts are an interference fit with the receptacle.

4. The contact module of claim 3, wherein the receptacle is a long waist hole, and the receptacle has receptacle protrusions therein for abutting against the plug contacts, the receptacle protrusions are disposed at least two and on two waist walls of the long waist hole, the receptacle protrusions are staggered along the waist of the long waist hole, and the receptacle protrusions on the two waist walls abut against two side surfaces of the plug contacts, respectively.

5. The contact module according to claim 2, 3 or 4, wherein the shield plate is fixed to the ground contact by means of plug contacts, and the plug contacts are provided at both side edges in the width direction of the shield plate.

6. The contact module of claim 5, wherein the at least one contact tab is a press tab that press fits against a side of the ground contact facing the shield tab after the shield tab is secured to the ground contact.

7. The contact module according to any one of claims 1 to 4, wherein the at least one contact piece is a press-fit piece which is press-fitted to a side of the ground contact piece facing the shield piece after the shield piece is fixed to the ground contact piece.

8. The contact module of claim 7, wherein the compression contact comprises a contact body extending from the edge of the shield toward the ground contact and a crimp at an end of the contact body proximate the ground contact, the compression contact being in compression contact with the ground contact through the crimp.

9. The contact module according to any one of claims 1 to 4, wherein the contact piece and the shield piece are integrally formed by bending.

10. High-speed electrical connector comprising a housing and at least two contact modules arranged side by side, characterized in that the contact modules are as claimed in any one of claims 1-9.

Technical Field

The invention relates to a high-speed electrical connector and a contact module.

Background

The high-speed electrical connector is mainly used in the occasions requiring high-speed and high-quality signal transmission, and the main components of the high-speed electrical connector comprise a shell, a contact module and a shield, wherein the contact module and the shield are assembled in the shell in a stacking mode. Wherein the contact module includes an insulator and differential pairs and ground contacts fixedly mounted on the insulator. In order to reduce signal crosstalk in the signal transmission process, a shielding plate is further disposed on an insulator of the contact module, for example, chinese patent with publication number CN202217874U and publication number 2012.05.09 discloses a height transmission connector with a shielding grounding structure, which includes a base and a box body disposed in the base, wherein the base is equivalent to a housing of a high-speed electrical connector, the box body is equivalent to the contact module, each box body includes a plurality of plug-in terminal sets, at least one grounding terminal, a grounding plate and a plate body, the plug-in terminals and the grounding terminals are embedded in the plate body, wherein the plug-in terminals are signal contacts, the grounding terminals are grounding contacts, the plate body is an insulator, the grounding plate is a shielding plate, the grounding plate is combined with one side of the plate body and is electrically connected to the grounding terminal, wherein a plurality of through holes are disposed on a side of the plate body corresponding to the grounding terminals, the grounding sheet is provided with corresponding through holes corresponding to the through holes, a folded sheet extends from one edge of each corresponding through hole, the folded sheet penetrates through the through holes and is electrically connected with the wide-distance section of the grounding terminal, the folded sheet and the wide-distance section are fixed in a soldering mode, and signals of adjacent contact modules are guaranteed not to be interfered by electric connection of the shielding plate and the grounding contact.

Application publication No. CN105390884A, Chinese patent application that application publication date is 2016.03.09 has disclosed a contact module and electric connector, including the contact module, the contact module includes insulator and the difference pair of setting in the insulator, still be equipped with the ground connection contact in the insulator, the both sides of insulator are equipped with the shield plate, be equipped with the passageway of stepping down that extends to the insulator outside by the ground connection contact respectively in the position department that corresponds each ground connection contact on the insulator, be equipped with on the shield plate and stretch into the passageway of stepping down and with the interior ground connection contact roof pressure complex claw of insulator, through the claw on the shield plate and the conductive contact of ground connection contact, the stability and the reliability of shield plate and the conductive contact of ground connection contact have been guaranteed.

The two connection modes of the shielding plate and the grounding contact piece can ensure the stability and the reliability of the conductive contact of the shielding plate and the grounding contact piece, but no matter the mode is direct welding or elastic crimping, in order to facilitate the molding of the shielding plate, the part connected with the grounding contact piece on the shielding plate is generally integrally molded with the shielding plate, and more holes must exist on the shielding plate, so that the shielding effect of the shielding plate is influenced, and the problem of poor shielding effect of the shielding plate is caused.

Disclosure of Invention

The invention aims to provide a contact module, which aims to solve the problem that the existing contact module has poor signal crosstalk prevention capability; in addition, the present invention also aims to provide a high-speed electrical connector to solve the problem of poor signal transmission performance of the current high-speed electrical connector due to poor shielding effect of the shielding plate.

In order to achieve the purpose, the technical scheme of the contact module is as follows:

the contact module includes:

an insulator;

a plurality of ground contacts;

signal contacts arranged in pairs in the insulator, the two signal contacts forming a differential signal pair,

the signal contact and the grounding contact are arranged in parallel in the insulator, and the differential signal pair is arranged between the two grounding contacts;

the shielding sheet group comprises a plurality of shielding sheets, the shielding sheets correspond to the differential signal pairs one by one, and the shielding sheets are positioned on one side of the differential signal pairs and extend along the extension direction of the differential signal pairs;

the edges of two sides of the shielding sheets in the width direction are provided with contact sheets extending towards the grounding contact element, and the contact sheets on one side, close to each other, of the two adjacent shielding sheets are in contact with the same grounding contact element;

the contact pieces contacted with the same grounding contact piece are arranged along the length direction of the grounding contact piece to jointly form a contact piece shielding group used for shielding the differential signal pairs on the two sides between the differential signal pairs on the two sides of the grounding contact piece, the grounding contact pieces on the two sides of the differential signal pairs are both connected with the contact piece shielding group, and the shielding pieces and the contact piece shielding groups on the two sides of the width direction of the shielding pieces jointly enclose a U-shaped shielding cavity for shielding the differential signal pairs.

The invention has the beneficial effects that: the shielding sheet group of the contact piece module comprises a plurality of shielding sheets, the shielding sheets correspond to the differential signal pairs one by one and shield the differential signal pairs, the contact pieces on the two sides of the width direction of the shielding sheets can enable the shielding sheets to form a whole through the grounding contact pieces, the shielding effect on the differential signal pairs is ensured, no hole needs to be formed in the shielding sheets, and the shielding sheets and the contact piece shielding groups on the two sides form a U-shaped shielding cavity for shielding the differential signal pairs together. The shielding sheet bodies are arranged in a plurality, so that the problem that the existing contact piece module is poor in signal crosstalk prevention capacity due to the fact that holes are formed in the shielding plate is solved.

Furthermore, at least one grounding contact element is provided with a jack which is in plug-in fit with the contact piece, and the contact piece which is in plug-in fit with the jack is a plug-in contact piece. The installation of contact piece and ground contact spare is made things convenient for, improves assembly efficiency.

Furthermore, the plug contact is in interference fit with the jack. Simple structure, easy to assemble.

Furthermore, the jack is long waist hole, is equipped with the jack arch that offsets with the grafting contact in the jack, the jack arch sets up two at least and sets up on two waist walls in long waist hole, and each jack arch is at the rectangular crisscross arrangement of waist in long waist hole, and the jack arch on two waist walls offsets with the both sides face of grafting contact respectively. The fixing effect of the contact piece and the grounding contact piece is ensured.

Furthermore, the shielding piece is fixed with the grounding contact piece through the plug contact piece, and the plug contact pieces are arranged on the edges of two sides of the shielding piece in the width direction. Both sides of the shielding sheet can be fixed with the grounding contact element through the inserting contact sheet, so that the stability of the shielding sheet and the grounding contact element is improved.

Furthermore, at least one contact piece is a pressing contact piece which is in press fit with the side surface of the grounding contact piece facing the shielding piece after the shielding piece and the grounding contact piece are fixed. The pressure contact piece has a simple structure, and the number of jacks is reduced.

Furthermore, at least one contact piece is a pressing contact piece which is in press fit with the side surface of the grounding contact piece facing the shielding piece after the shielding piece and the grounding contact piece are fixed. The pressure contact piece has simple structure and convenient processing.

Further, press the contact piece to include from the contact piece body that shielding piece border extends to ground contact and be in the contact piece body and be close to the bending head of ground contact one end, press the contact piece to press with ground contact through rolling over the elbow, the bending head can increase the area of contact of pressing contact piece and ground contact, strengthens pressing the stability between contact piece and the ground contact simultaneously.

Furthermore, the contact piece and the shielding piece are integrally bent and formed, so that the process is simple, and the processing cost is low.

In order to achieve the purpose, the technical scheme of the high-speed electric connector is as follows:

a high-speed electrical connector comprises a housing and at least two contact modules arranged side by side,

the contact module includes:

an insulator;

a plurality of ground contacts;

signal contacts arranged in pairs in the insulator, the two signal contacts forming a differential signal pair,

the signal contact and the grounding contact are arranged in parallel in the insulator, and the differential signal pair is arranged between the two grounding contacts;

the shielding sheet group comprises a plurality of shielding sheets, the shielding sheets correspond to the differential signal pairs one by one, and the shielding sheets are positioned on one side of the differential signal pairs and extend along the extension direction of the differential signal pairs;

the edges of two sides of the shielding sheets in the width direction are provided with contact sheets extending towards the grounding contact element, and the contact sheets on one side, close to each other, of the two adjacent shielding sheets are in contact with the same grounding contact element;

the contact pieces contacted with the same grounding contact piece are arranged along the length direction of the grounding contact piece to jointly form a contact piece shielding group used for shielding the differential signal pairs on the two sides between the differential signal pairs on the two sides of the grounding contact piece, the grounding contact pieces on the two sides of the differential signal pairs are both connected with the contact piece shielding group, and the shielding pieces and the contact piece shielding groups on the two sides of the width direction of the shielding pieces jointly enclose a U-shaped shielding cavity for shielding the differential signal pairs.

The invention has the beneficial effects that: the shielding sheet group of the contact piece module comprises a plurality of shielding sheets, the shielding sheets correspond to the differential signal pairs one by one and shield the differential signal pairs, the contact pieces on the two sides of the width direction of the shielding sheets can enable the shielding sheets to form a whole through the grounding contact pieces, the shielding effect on the differential signal pairs is ensured, no hole needs to be formed in the shielding sheets, and the shielding sheets and the contact piece shielding groups on the two sides form a U-shaped shielding cavity for shielding the differential signal pairs together. The shielding sheet bodies are arranged in a plurality, so that the problem that the existing contact module is poor in signal crosstalk prevention capacity due to the fact that holes are formed in the shielding plate is solved, the signal crosstalk prevention capacity of the contact module is improved, and the transmission performance of the high-speed electric connector is further improved.

Furthermore, at least one grounding contact element is provided with a jack which is in plug-in fit with the contact piece, and the contact piece which is in plug-in fit with the jack is a plug-in contact piece. The installation of contact piece and ground contact spare is made things convenient for, improves assembly efficiency.

Furthermore, the plug contact is in interference fit with the jack. Simple structure, easy to assemble.

Furthermore, the jack is long waist hole, is equipped with the jack arch that offsets with the grafting contact in the jack, the jack arch sets up two at least and sets up on two waist walls in long waist hole, and each jack arch is at the rectangular crisscross arrangement of waist in long waist hole, and the jack arch on two waist walls offsets with the both sides face of grafting contact respectively. The fixing effect of the contact piece and the grounding contact piece is ensured.

Furthermore, the shielding piece is fixed with the grounding contact piece through the plug contact piece, and the plug contact pieces are arranged on the edges of two sides of the shielding piece in the width direction. Both sides of the shielding sheet can be fixed with the grounding contact element through the inserting contact sheet, so that the stability of the shielding sheet and the grounding contact element is improved.

Furthermore, at least one contact piece is a pressing contact piece which is in press fit with the side surface of the grounding contact piece facing the shielding piece after the shielding piece and the grounding contact piece are fixed. The pressure contact piece has a simple structure, and the number of jacks is reduced.

Furthermore, at least one contact piece is a pressing contact piece which is in press fit with the side surface of the grounding contact piece facing the shielding piece after the shielding piece and the grounding contact piece are fixed. The pressure contact piece has simple structure and convenient processing.

Further, press the contact piece to include from the contact piece body that shielding piece border extends to ground contact and be in the contact piece body and be close to the bending head of ground contact one end, press the contact piece to press with ground contact through rolling over the elbow, the bending head can increase the area of contact of pressing contact piece and ground contact, strengthens pressing the stability between contact piece and the ground contact simultaneously.

Furthermore, the contact piece and the shielding piece are integrally bent and formed, so that the process is simple, and the processing cost is low.

Drawings

FIG. 1 is a schematic diagram of a contact module in an embodiment of the contact module of the present invention;

FIG. 2 is a schematic diagram of the assembled relationship of signal contacts, ground contacts and shield blades in a particular embodiment of a contact module of the present invention;

fig. 3 is a schematic view of another perspective of the assembly of signal contacts, ground contacts and shield blades in an exemplary embodiment of a contact module of the invention;

FIG. 4 is a schematic view of the backside of FIG. 3;

FIG. 5 is a schematic structural view of portion A of FIG. 4;

FIG. 6 is a diagram of the positional relationship of signal contacts to ground contacts in a particular embodiment of a contact module of the present invention;

FIG. 7 is a diagram of the position of the shield blades in a particular embodiment of the contact module of the present invention;

FIG. 8 is a positional relationship diagram of shield blades from another perspective in a particular embodiment of a contact module of the present invention;

in the figure: 1-an insulator; 2-a ground contact; 21-a jack; 22-a jack projection; 3-a differential signal pair; 30-a signal contact; 4-a group of shielding sheets; 41-a shielding sheet; 51-plug contacts; 52-pressure contact piece; 521-a contact body; 522-bending the elbow; 6-contact piece shielding group; 7-U-shaped shielding cavity.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

In the embodiment of the contact module of the present invention, as shown in fig. 1 to 8, the contact module includes an insulator 1, a ground contact 2 fixed in the insulator 1, and signal contacts 30, wherein the signal contacts 30 are arranged in pairs in the insulator 1, and two signal contacts 30 arranged in pairs constitute a differential signal pair 3. The differential signal pair 3 and the grounding contact 2 are arranged side by side, and two grounding contacts 2 are arranged on two sides of the differential signal pair 3, so that the shielding effect of the differential pair is ensured. The ground contact 2 and the signal contact 30 are both bent contacts, and the differential signal pair 3 and the ground contact 2 are both plastic-encapsulated in the insulator 1.

As shown in fig. 2 and 3, the contact module further includes a shielding plate group 4 on one side of the signal contact 30, the shielding plate group 4 includes four shielding plates 41, the shielding plates 41 correspond to the differential signal pairs 3 one to one, and the shielding plates 41 are on one side of the differential signal pairs 3 and extend along the extending direction of the differential signal pairs 3 to shield the differential signal pairs 3. Compare integral shielding piece 41, shielding piece 41 in this embodiment and differential signal pair 3 one-to-one do not set up the splice bar between the shielding piece 41, have reduced the occupation space of shielding piece group 4, can guarantee the shielding effect to differential signal pair simultaneously. The positional relationship between the shield sheet group 4 and the ground contacts 2 and the signal contacts 30 will be described in detail below.

As shown in fig. 2, both side edges in the width direction of the shield piece 41 are provided with contact pieces extending toward the ground contact 2, and the shield piece 41 is in conductive contact with the ground contact 2 through the contact pieces. In this embodiment, there are two types of contact pieces, one is a plug contact piece 51 inserted into the ground contact 2, and the other is a press contact piece 52 press-fitted into the ground contact 2, and the shield piece 41 is fixed to the ground contact 2 via the plug contact piece 51.

As shown in fig. 4, 5 and 6, the ground contact 2 is provided with a receptacle 21 which is fitted with the plug contact 51, and the plug contact 51 is fitted with the receptacle 21 in an interference manner. Jack 21 is long waist hole, be equipped with the jack arch 22 that offsets with plug contact 51 in the jack 21, jack arch 22 sets up threely in this embodiment, three jack arch 22 sets up on two waist walls in long waist hole, and staggered arrangement in the long rectangular upwards of waist in long waist hole, be triangle-shaped promptly and arrange, set up a jack arch 22 on one of them waist wall, set up two jack archs 22 on another waist wall, jack arch 22 on two waist walls offsets with the both sides face of plug contact 51 respectively, make plug contact 51 produce the micro-deformation, guarantee the contact effect with plug contact 51, guarantee the good electrically conductive with plug contact 51 through jack arch 22.

In this embodiment, the edges of the two sides of the shielding plate 41 in the width direction are both provided with the plug contact 51, the shielding plate 41 is fixed with the grounding contact element 2 through the plug contact 51, and after the plug contact 51 is fixed with the grounding contact element 2, the pressing contact 52 on the shielding plate 41 is pressed against the grounding contact element 2.

As shown in fig. 7 and 8, the pressure contact piece 52 includes a contact piece body 521 extending from the edge of the shielding piece 41 to the ground contact 2 and a bent head 522 at one end of the contact piece body 521 close to the ground contact 2, the pressure contact piece 52 is in pressure contact with the ground contact 2 through the bent head 522, and the pressure contact piece 52 can increase the contact area with the ground contact 2 through the bent head 522, thereby improving the conductive effect. When setting up too much plug contact 51, need set up the jack 21 that corresponds quantity, and in order to guarantee intensity, the interval between the adjacent jack 21 needs to satisfy certain requirement, and the quantity of plug contact 51 can be reduced to the pressure contact 52 in this embodiment, reduces ground contact 2's volume, also reduces the assembly degree of difficulty simultaneously, and in other embodiments, the contact piece can only set up one kind, only sets up plug contact promptly.

In order to improve the shielding effect of the differential signal pairs 3 and enable each shielding plate 41 to be suitable for the ground contact 2 with smaller width, thereby reducing the volume of the connector, the contact pieces on one side, close to each other, of two adjacent shielding plates 41 are contacted with the same ground contact 2, and the contact pieces contacted with the same ground contact 2 are arranged in a queue along the length direction of the ground contact 2, namely, each shielding plate 41 is arranged along the extending direction of the ground contact 2, a shielding "wall" is formed between the two differential signal pairs, the contact pieces contacted with the same ground contact 2 together form a shielding contact piece group 6 for shielding the differential signal pairs 3 on two sides of the ground contact 2 between the differential pairs on two sides of the ground contact 2, each ground contact 2 is provided with a contact piece shielding group 6, because the contact pieces on one side, close to each other, of the two shielding plates 41 form, the space between the two shielding sheets 41 can be reduced as much as possible, the width of the grounding contact 2 can be reduced, the size of the contact module can be reduced, and the shielding effect on the differential signal pair 3 can be ensured.

In the four shielding plates 41 in this embodiment, the plug contact pieces 51 are disposed on both sides of the width of the shielding plate 41 to ensure the fixing effect of the shielding plate 41, but the arrangement of the press contact pieces 52 can be adjusted according to actual requirements, for example, in the contact piece shielding group 6 corresponding to the grounding contact member 2, each press contact piece 52 may be disposed on the same shielding plate 41, or may be disposed on two shielding plates 41.

The grounding contact pieces 2 at two sides of the differential signal pair 3 are contacted with corresponding contact piece shielding groups 6, that is, the two sides of each differential signal pair 3 are provided with the contact piece shielding groups 6, the contact piece shielding groups 6 at two sides of the differential signal pair 3 and the shielding pieces 41 corresponding to the differential signal pair 3 jointly enclose a U-shaped shielding cavity 7 for shielding the differential signal pair 3, the shielding effect on the differential signal pair 3 is ensured, and signal crosstalk between different differential signal pairs 3 is prevented. When the contact module is used in combination with other contact modules, the openings of the U-shaped shielding cavities 7 of two adjacent contact modules are in the same direction or in opposite directions.

Compare through the protruding of drawing shaping play and ground contact spare contact mutually paste among the prior art and compare, in this embodiment, each contact piece makes the prefab with shield plate 41 by the punching press of copper alloy strip earlier through unloading, then bends the prefab, that is to say, shield plate 41 and the contact piece above that are through integrative bending shaping, can guarantee the position degree of each contact piece, avoid because the too much material that causes of deep-drawing the material problem that the material is torn. The shielding sheet 41 has a simple structure, is convenient to process, reduces the processing difficulty, and saves the mold cost.

The contact module of the invention has higher signal density, smaller width of the grounding contact 2 and larger span of the signal wire, and can meet the requirement of the market on miniaturization of a high-speed connector. Because the adjacent shielding plates 41 are contacted with the same grounding contact piece 2 through contact pieces, the shielding plates 41 form a whole through the grounding contact piece 2 to form a complete shielding surface, and meanwhile, the shielding effect on the differential signal pair 3 is also improved.

In this embodiment, the shielding piece realizes that shielding piece and ground contact are fixed through the jack interference fit on grafting contact piece and the ground contact, and in other embodiments, the contact piece also can be connected the contact through modes such as welding, elastic crimping buckle connection with ground contact.

In this embodiment, the contact pieces of the shielding piece can be all plug-in contact pieces, but at this time, the contact pieces need to be inserted into the insertion holes in a complete manner, so that the assembly is complex, and meanwhile, more insertion holes need to be processed, so that the volume of the grounding contact piece is increased.

In this embodiment, grafting contact and jack interference fit, in other embodiments, also can fix the anticreep through buckle and jack 21.

In this embodiment, the jack is a long waist hole, and in other embodiments, the jack can also be a round hole.

In this embodiment, the shielding plate is fixed with the grounding contact element through the plug-in contact piece, in other embodiments, the contact piece may further include a welding contact piece welded and fixed with the grounding contact element, and at this time, the shielding plate is fixed with the grounding contact element through the plug-in contact piece and the welding contact piece, or fixed with the grounding contact element through the welding contact piece; of course, an elastic contact piece can be arranged, the shielding piece is in contact with the grounding contact piece through the arranged elastic contact piece, and then the elastic contact piece and the grounding contact piece are cast together through the insulator, so that the grounding contact piece and the shielding piece are kept fixed.

In this embodiment, the bend of pressing the contact and the contact piece body are arranged in L shape, and in other embodiments, the pressing contact also can be in J shape, or the oblique slice shape that sets up of slope.

In other embodiments, the contact piece and the shielding piece may be in a split structure, and the contact piece is welded and fixed to the shielding piece, or in extreme cases, the contact piece and the shielding piece may be cast and molded integrally.

In a specific embodiment of the high-speed electrical connector according to the present invention, the high-speed electrical connector includes a housing and at least two contact modules arranged in parallel, wherein the structure of the contact module is the same as that described in the specific embodiment of the contact module, and details are not repeated.