CN210866668U - Connector - Google Patents

Abstract

A connector comprising a housing, adjacent terminal modules mounted within the housing, and at least one grounding lug arranged alongside the terminal modules; the shell is provided with a base part and a butt joint part protruding out of the base part, the base part is provided with an accommodating cavity for accommodating the plurality of terminal modules, and the butt joint part is provided with a butt joint surface and a slot which penetrates through the butt joint surface and is communicated with the accommodating cavity; the terminal module comprises a signal terminal and an insulating block for coating the signal terminal, wherein the signal terminal is provided with a contact part extending into the slot, the insulating block is provided with a through hole, the grounding sheet is provided with a through hole, and the through hole is communicated with the through hole; the connector is further provided with a shielding member inserted in the through hole and the through hole. So set up, increased the shielding area, can realize better shielding effect.

Description

Connector

technical field

The utility model relates to a connector, in particular to a high-speed connector.

Background technique

High-speed connectors need to ensure that data transmission between signal terminals is free from external interference during signal transmission, so as to improve the quality of data transmission. In order to solve the above technical problems, some connectors in the prior art are provided with grounding pads near the signal terminals to prevent signal cross-talk. However, these grounding plates are spaced and separated from each other, which is not conducive to achieving a better shielding effect.

Utility model content

The purpose of the utility model is to provide a connector capable of achieving better shielding effect.

In order to achieve the above purpose, the present invention adopts the following technical solutions: a connector, which includes a casing, a terminal module installed in the casing, and at least one grounding plate arranged side by side with the terminal module; the casing A base and a docking part protruding from the base are provided, the base is provided with a receiving cavity for accommodating the plurality of terminal modules, the docking part is provided with a docking surface and a docking surface passing through the docking surface and being connected with the containing cavity a connected slot; the terminal module includes a signal terminal and an insulating block covering the signal terminal, wherein the signal terminal is provided with a contact portion extending into the slot, and the insulating block is provided with a through-hole The ground plate is provided with a through hole, and the through hole is communicated with the through hole; the connector is further provided with a shielding member inserted in the through hole and the through hole.

As a further improved technical solution of the present invention, the shielding member is a conductive plastic.

As a further improved technical solution of the present invention, the shield does not contact the at least one grounding piece and does not contact the signal terminal of the terminal module.

As a further improved technical solution of the present invention, the shielding element contacts the at least one grounding piece and does not contact the signal terminal of the terminal module.

As a further improved technical solution of the present invention, the shielding member located in a terminal module is provided with a clamping structure fixed to the grounding sheet.

As a further improved technical solution of the present invention, the holding structure of the shielding member is a protrusion, and the protrusion is held in the through hole.

As a further improved technical solution of the present invention, the signal terminal is embedded in the insulating block; the grounding sheet is installed on the side surface of the insulating block.

As a further improved technical solution of the present invention, there are several terminal modules, and the insulating blocks of each terminal module include a first insulating block and a second insulating block; The signal terminals include first signal terminals insert-molded in the first insulating block and second signal terminals insert-molded in the second insulating block.

As a further improved technical solution of the present invention, the through hole includes a first through hole disposed on the first insulating block and a second through hole disposed on the second insulating block, wherein the shielding member inserted into the first through hole and the second through hole.

As a further improved technical solution of the present invention, there are several shielding members, several first through holes, and several second through holes. The second through holes communicate with each other, wherein a plurality of the shielding elements are respectively inserted into the first through holes and the second through holes that are communicated with each other.

As a further improved technical solution of the present invention, there are several grounding sheets, and two of the several grounding sheets are respectively arranged on the outer sides of the first insulating block and the second insulating block , the shielding member is inserted in the first through hole, the second through hole and the through hole to connect the first insulating block, the second insulating block and the two grounding sheets .

As a further improved technical solution of the present invention, the shield does not contact the two grounding sheets and does not contact the first signal terminal and the second signal terminal.

As a further improved technical solution of the present invention, the shielding element contacts the two grounding sheets and does not contact the first signal terminal and the second signal terminal.

As a further improved technical solution of the present invention, the first signal terminal and the second signal terminal form a differential pair.

As a further improved technical solution of the present invention, the slot includes a first slot and a second slot located below the first slot; the terminal module includes an insert-molded first insulating block The four first signal terminals and the four second signal terminals embedded in the second insulating block, the four first signal terminals and the four second signal terminals It is divided into two groups and respectively extends into the first slot and the second slot.

As a further improved technical solution of the present invention, the connector includes a shielding sheet located between the first slot and the second slot, and the shielding sheet is in contact with each of the grounding sheets.

As a further improved technical solution of the present invention, the first signal terminal of each terminal module includes a first middle portion, a first contact portion extending from one end of the first middle portion, and a first contact portion extending from one end of the first middle portion. a first tail portion extending from the other end of the middle portion, the first middle portion is located inside the first insulating block, the first contact portion is parallel to the connector from the front side of the first insulating block The mating direction of the connector protrudes, and the first tail protrudes from the bottom side of the first insulating block in a setting direction perpendicular to the mating direction of the connector; the second signal terminals of each terminal module are including a second middle portion, a second contact portion extending from one end of the second middle portion, and a second tail portion extending from the other end of the second middle portion, the second middle portion being located at the second insulating portion Inside the block, the second contact portion protrudes from the front side of the second insulating block in a direction parallel to the mating direction of the connector, and the second tail portion is perpendicular to the bottom side of the second insulating block The connector protrudes in the setting direction of the mating direction of the connector.

As a further improved technical solution of the present invention, each grounding piece is formed by stamping a metal plate as a whole, and the grounding piece includes a third middle portion, a third middle portion extending from one end of the third middle portion A contact portion and a third tail portion extending from the other end of the third intermediate portion, the third contact portion extending along a mating direction parallel to the connector, and the third tail portion extending along a direction perpendicular to the connector The setting direction of the docking direction extends.

As a further improved technical solution of the present invention, the through hole is provided in the third middle portion of the grounding plate.

As a further improved technical solution of the present invention, the shielding member is columnar and penetrates through the through hole and the through hole.

As a further improved technical solution of the present invention, the shielding member is in the shape of an L-shaped column.

Compared with the prior art, the utility model increases the shielding area by arranging the shielding member, and can achieve a better shielding effect.

Description of drawings

FIG. 1 is a perspective view of the connector of the present invention.

FIG. 2 is a schematic perspective view of FIG. 1 from another angle.

FIG. 3 is a front view of FIG. 1 .

4 is a partial perspective exploded view of the connector of the present invention.

FIG. 5 is a partially exploded perspective view of FIG. 4 from another angle.

FIG. 6 is a perspective view of several terminal modules in FIG. 4 after being separated from the shielding sheet.

FIG. 7 is a schematic perspective view of the grounding plate of one of the terminal modules in FIG. 6 after being separated.

FIG. 8 is a further exploded perspective view of FIG. 7 with one terminal module separated.

Figure 9 is a further exploded perspective view of Figure 8 with one shield separated.

FIG. 10 is a further exploded perspective view of FIG. 9 , wherein one terminal module and several shields corresponding to the terminal module are separated.

FIG. 11 is a schematic perspective view of the shield in FIG. 10 .

FIG. 12 is a schematic cross-sectional view along the line A-A in FIG. 1 .

FIG. 13 is a partial perspective view of the connector of the present invention in another embodiment.

Figure 14 is a further exploded perspective view of Figure 13 with one shield separated.

Fig. 15 is a further exploded perspective view of Fig. 14 with one terminal module separated.

Detailed ways

Referring to FIG. 1 to FIG. 15 , the present invention discloses a connector 100 , which is used for mating with a mating connector (not shown) along the mating direction B-B. The connector 100 includes a housing 1 , a plurality of terminal modules 2 installed in the housing 1 , and a plurality of grounding sheets 4 arranged side by side with the terminal modules 2 . In an embodiment of the present invention, each terminal module 2 is assembled with a grounding sheet 4 , wherein the grounding sheet 4 is installed on the side surface of the corresponding terminal module 2 . Of course, in other embodiments, each terminal module 2 may also be assembled with two grounding sheets 4 , wherein the two grounding sheets 4 are respectively installed on both sides of the corresponding terminal module 2 .

The housing 1 is provided with a base portion 11 , a docking portion 12 protruding from the base portion 11 , and a buckle portion 13 located above the docking portion 12 . Referring to FIG. 5 , the base 11 is provided with a receiving cavity 111 for receiving the terminal modules 2 , a plurality of mounting grooves 112 located on the top of the base 11 and communicated with the receiving cavity 111 , and The snap hole 113 at the front end of the installation slot 112 . In the illustrated embodiment of the present invention, the mounting groove 112 is T-shaped, which is used for guiding and positioning the terminal module 2 . The snap hole 113 is used for locking the terminal module 2 . The docking portion 12 is provided with a docking surface 121 and a slot 122 penetrating the docking surface 121 and communicating with the receiving cavity 111 . In the illustrated embodiment of the present invention, the slot 122 includes a first slot 1221 and a second slot 1222 located below the first slot 1221 . The first slot 1221 and the second slot 1222 are used for receiving the tongue plate (not shown) of the mating connector. A guide groove 131 is formed between the buckle portion 13 and the docking portion 12 , and the buckle portion 13 is provided with guide slopes 132 located on both sides of the guide groove 131 and connected to the guide groove 131 . pass through the bayonet 133. The guide groove 131 is used to accommodate the buckle plate of the docking connector, and the bayonet 133 is used to cooperate with the protrusion on the buckle plate, so that the connector 100 and the docking connector can be locked together.

In the illustrated embodiment of the present invention, the plurality of terminal modules 2 include three groups that are arranged side by side and have the same structure. Each terminal module 2 includes a signal terminal 3 , wherein the signal terminal 3 is provided with a contact portion 30 extending into the slot 122 . In the illustrated embodiment of the present invention, each terminal module 2 includes an insulating block 5, and the signal terminal 3 is embedded in the insulating block 5, that is, the insulating block 5 covers the signal terminal. 3; the grounding sheet 4 is installed on the side of the insulating block 5. The insulating block 5 is provided with an elastic holding arm 54 at the top thereof and a mounting bar 55 at the rear end of the elastic holding arm 54 . The elastic retaining arms 54 are provided with retaining protrusions 540 for matching with the corresponding retaining holes 113 . The mounting bars 55 are T-shaped so as to be able to be clamped in the corresponding mounting slots 112 .

Specifically, the insulating block 5 of each terminal module 2 includes a first insulating block 51 and a second insulating block 52 ; the signal terminals 3 of each terminal module 2 include insert-molding on the first insulating block The first signal terminal 31 in 51 and the second signal terminal 31 embedded in the second insulating block 52, the first signal terminal 31 and the second signal terminal 32 form a differential pair (Differential Pair), to increase the speed of data transfer.

Referring to FIGS. 9 and 10 , in the illustrated embodiment of the present invention, the elastic holding arm 54 includes a first elastic holding arm 541 formed on the first insulating block 51 and a first elastic holding arm 541 formed on the first insulating block 51 . The second elastic holding arm 542 on the second insulating block 52 is provided. Correspondingly, the holding protrusion 540 includes a first holding protrusion 5401 located on the first elastic holding arm 541 and a second holding protrusion 5402 located on the second elastic holding arm 542 ; The first clamping protrusions 5401 and the second clamping protrusions 5402 of the same terminal module 2 are jointly clamped in the same buckle hole 113; this arrangement can prevent the first insulating block 51 from interacting with The second insulating blocks 52 are separated from each other.

Similarly, the mounting bar 55 includes a first mounting bar 551 located on the first insulating block 51 and a second mounting bar 552 located on the second insulating block 52; The first mounting bar 551 and the second mounting bar 552 are held together in the same mounting groove 112 ; such arrangement can prevent the first insulating block 51 and the second insulating block 52 from being separated from each other.

In addition, the second insulating block 52 is also provided with a plurality of mounting posts 56, and the first insulating block 51 and the grounding plate 4 are both provided with a plurality of through holes 57 sleeved on the mounting posts 56; in this way, The components of each terminal module 2 can be closely combined with each other to avoid loosening.

Each terminal module 2 includes four first signal terminals 31 fixed in the first insulating block 51 and four second signal terminals 32 fixed in the second insulating block 52 . In the illustrated embodiment of the present invention, the first signal terminal 31 and the second signal terminal 32 are respectively insert-molded in the first insulating block 51 and the second insulating block 52 . The four first signal terminals 31 and the four second signal terminals 32 are divided into two groups and extend into the first slot 1221 and the second slot 1222 respectively.

Referring to FIG. 10 , the first signal terminal 31 of each terminal module 2 includes a first middle portion 311 , a first contact portion 312 extending from one end of the first middle portion 311 , and a first contact portion 312 extending from the first middle portion 311 . A first tail portion 313 extending from the other end of the first middle portion 311 ; the first middle portion 311 is located inside the first insulating block 51 , and the first contact portion 312 extends from the front of the first insulating block 51 . The side edges protrude parallel to the mating direction B-B of the connector 100 , and the first tail portion 313 protrudes from the bottom side of the first insulating block 51 along the setting direction D-D perpendicular to the mating direction B-B of the connector 100 . out. The second signal terminals 32 of each terminal module 2 include a second middle portion 321 , a second contact portion 322 extending from one end of the second middle portion 321 , and another portion from the second middle portion 321 . A second tail portion 323 extending from one end; the second middle portion 321 is located inside the second insulating block 52 , and the second contact portion 322 is parallel to the connection from the front side of the second insulating block 52 The connector 100 protrudes in the mating direction B-B, and the second tail portion 323 protrudes from the bottom side of the second insulating block 52 along the setting direction D-D perpendicular to the mating direction B-B of the connector 100 . Each grounding piece 4 is formed by stamping a metal plate as a whole. The grounding piece 4 includes a third middle portion 411 , a third contact portion 412 extending from one end of the third middle portion 411 , and a third contact portion 412 extending from one end of the third middle portion 411 . The third tail portion 413 extends from the other end of the third middle portion 411 . The third contact portion 412 extends into the slot 122 and extends parallel to the mating direction B-B of the connector 100 , and the third tail portion 413 is disposed along the mating direction B-B perpendicular to the connector 100 The direction D-D extends. The contact portion 30 includes the first contact portion 312 , the second contact portion 322 and the third contact portion 412 . The first tail portion 313 , the second tail portion 323 and the third tail portion 413 are used for electrical connection with a circuit board (not shown).

The connector 100 is further provided with a shielding member 6 connecting the grounding sheets 4 in series. In the illustrated embodiment of the present invention, the shielding members 6 are divided into the same three groups, each group includes four, of which one group is installed on the rightmost terminal module 2 in FIG. 12 , and the other group It is installed on the terminal module 2 in the middle in FIG. 12 , and another group is installed on the leftmost terminal module 2 in FIG. 12 . Referring to FIG. 9 and FIG. 10 , in the illustrated embodiment of the present invention, the insulating block 5 is provided with a through hole 53 , the grounding plate 4 is provided with a through hole 414 , and the through hole 53 is connected with all the through holes 53 . The through holes 414 are connected, and the shielding member 6 is inserted into the through holes 53 and the through holes 414 to connect the terminal module 2 and the grounding sheet 4 in series; at the same time, the terminal module 2 is not additionally added. In the case of the size, the installation of the shield 6 is realized. In the illustrated embodiment of the present invention, the shielding member 6 is inserted into the through hole 53 and the through hole 414 in an embodiment that the shielding member 6 contacts the grounding sheet 4 and does not contact the grounding plate 4 . The signal terminal 31 of the terminal module 2; in this way, the shielding member 6 is electrically connected to the grounding sheet 4 to achieve a better grounding effect, and the shielding member 6 is not electrically connected to the signal terminal 31 to prevent signal Interference, resolve crosstalk resonance. Another embodiment in which the shielding member 6 is inserted into the through-hole 53 and the through-hole 414 may also be that the shielding member 6 is spaced from the grounding sheet 4 but does not contact the grounding sheet 4, and the The shielding member 6 can still be electrically connected to the grounding sheet 4 to achieve the grounding effect. At the same time, the shielding member 6 also does not contact the signal terminal 31 to prevent signal interference and solve crosstalk resonance. In addition, as shown in FIG. 12 , in the illustrated embodiment of the present invention, the connector 100 may also include a low-speed terminal terminal module 2' (ie, the terminal module located at the far left in FIG. 12 ). The low-speed terminal module 2' includes low-speed signal terminals, and the shielding member 6 can be optionally installed in the through hole 53' of the low-speed terminal module 2' according to different considerations. That is, the shielding member 6 may be inserted into the through hole 53' (not shown) of the low-speed terminal module 2', or may not be inserted into the through-hole 53' of the low-speed terminal module 2' (refer to Figure 12).

Referring to FIG. 10 , the through hole 53 includes a first through hole 531 disposed on the first insulating block 51 and a second through hole 532 disposed on the second insulating block 52 , wherein the The shielding member 6 is inserted into the first through hole 531 and the second through hole 532 to connect the first insulating block 51 and the second insulating block 52 of the terminal module 2 in series.

In the illustrated embodiment of the present invention, there are several shielding members 6 , several first through holes 531 , and several second through holes 532 , and these first through holes 531 communicate with the second through holes 532 respectively, wherein a plurality of the shielding elements 6 are respectively inserted into the first through holes 531 and the second through holes 532 in communication, so as to connect the terminal module 2 The first insulating block 51 and the second insulating block 52 are connected in series.

Referring to FIGS. 8 to 12 , there are several grounding sheets 4 , and two of the grounding sheets 4 of the plurality of grounding sheets 4 are respectively disposed on the first insulating block 51 and the second insulating block 51 . On the outside of the insulating block 52 , the shielding member 6 is inserted into the first through hole 531 , the second through hole 532 and the through hole 414 , so as to separate the first insulating block 51 , the second through hole 532 and the second through hole 414 . The insulating block 52 and the two grounding sheets 4 are connected in series. In the illustrated embodiment of the present invention, the shielding member 6 contacts the inner wall surfaces of the through holes 414 of the two grounding sheets 4 provided on the outer sides of the first insulating block 51 and the second insulating block 52 , thus shielding The component 6 is electrically connected to the two grounding plates 4 .

Referring to FIG. 7 , in the illustrated embodiment of the present invention, the through hole 414 is provided in the third middle portion 411 of the grounding plate 4 .

In addition, by inserting the shielding member 6 into the insulating block 5, the shielding sheet 6 can be well protected to prevent it from loosening due to external force. In the illustrated embodiment of the present invention, the shielding member 6 is conductive plastic, but is not limited to conductive plastic. In other embodiments, the shielding member 6 may also be made of or include other conductive materials, such as metals, alloys, and the like. The shield 6 may also be made of electromagnetic loss material or wave absorbing material or include electromagnetic loss material or wave absorbing material.

In addition, the shielding member 6 is columnar, extends along the installation direction C-C, and penetrates through the through hole 53 and the through hole 414 . In the illustrated embodiment of the present invention, the shielding member 6 is an L-shaped column.

There are multiple shielding members 6 and the installation direction C-C of the shielding members 6 is perpendicular to the mating direction B-B of the connector. Preferably, in the installation direction C-C, the corresponding shielding members 6 are aligned.

Referring to FIG. 11 , the shielding member 6 is provided with a clamping structure fixed to the grounding sheet 4 . In the illustrated embodiment of the present invention, the holding structure is a protrusion 61 , and the protrusion 61 is held in the through hole 414 . In the illustrated embodiment of the present invention, the protrusion 61 of the shielding member 6 contacts the inner wall surface of the through hole 414 of the grounding sheet 4 , so the shielding member 6 is electrically connected to the grounding sheet 4 . Referring to FIGS. 13 to 15 , in other embodiments, the shielding member 6 does not have a retaining structure (such as the aforementioned protrusion 61 ), and the through hole 53 and the through hole 414 are both rectangular , the shielding member 6 is inserted into the through hole 53 and the through hole 414 .

Referring to FIG. 12 , a group of shields 6 on the right is in contact with the rightmost grounding sheet 4 and the middle grounding sheet 4 ; a group of shielding elements 6 on the left is in contact with the leftmost grounding sheet 4 And the grounding sheet 4 in the middle is in contact; in this way, the shielding member 6 connects the grounding sheets 4 of all the terminal modules 2 in series, which increases the shielding area and achieves a better shielding effect.

Referring to FIG. 12 , as a modification of the specific embodiment of the present invention, a plurality of shielding members 6 aligned along the installation direction C-C can also be arranged as a whole. Of course, in other embodiments, all the shielding members 6 can also be integrated to reduce the number of parts. Compared with the integral shielding member, in the illustrated embodiment of the present invention, except for the leftmost terminal module 2, four shielding members 6 are inserted into each of the other terminal modules 2. These The shielding member 6 with a shorter length along the installation direction C-C has lower requirements on the size of the through hole 53 of the terminal module 2 , which reduces the difficulty of processing the through hole 53 . In some cases, even if the shielding members 6 installed at the corresponding positions in the two terminal modules 2 are not completely aligned along the installation direction C-C, as long as the two ends of the shielding member 6 can be in contact with the adjacent grounding pieces 4, it will not affect the masking effect.

Preferably, the connector 100 includes a shielding sheet 7 located between the first slot 1221 and the second slot 1222, and the shielding sheet 7 is in contact with the grounding sheet 4 to further increase the shielding area to improve the shielding effect. The shielding sheet 7 can be inserted into the casing 1 ; or the shielding sheet 7 can be inserted and fixed by providing a slot on the casing 1 . In the illustrated embodiment of the present invention, the plane where the shielding sheet 7 is located is substantially perpendicular to the plane where the grounding sheet 4 is located; It can be understood that the shielding sheet 7 is not in contact with the first signal terminal 31 or the second signal terminal 32 to avoid affecting signal transmission.

The above embodiments are only used to illustrate the present utility model rather than limit the technical solutions described in the present utility model. The understanding of this specification should be based on those skilled in the art. , "right", "up", "down" and other directional descriptions, although this specification has described the present invention in detail with reference to the above-mentioned embodiments, those of ordinary skill in the art should understand that the technical field Those skilled in the art can still modify or equivalently replace the present utility model, and all technical solutions and improvements that do not depart from the spirit and scope of the present utility model should be included within the scope of the claims of the present utility model.

Claims (21)

1. Connector (100) comprising a housing (1) and a terminal module (2) mounted within the housing (1) and at least one grounding plate (4) arranged side by side with the terminal module (2); the shell (1) is provided with a base part (11) and a butt joint part (12) protruding out of the base part (11), the base part (11) is provided with an accommodating cavity (111) used for accommodating the plurality of terminal modules (2), and the butt joint part (12) is provided with a butt joint surface (121) and a slot (122) penetrating through the butt joint surface (121) and communicated with the accommodating cavity (111); the terminal module (2) comprises a signal terminal (3) and an insulating block (5) coating the signal terminal (3), wherein the signal terminal (3) is provided with a contact part (30) extending into the slot (122), and is characterized in that: the insulating block (5) is provided with a through hole (53), the grounding sheet (4) is provided with a through hole (414), and the through hole (53) is communicated with the through hole (414); the connector (100) is further provided with a shield (6) inserted in the through hole (53) and the through hole (414).

2. The connector (100) of claim 1, wherein: the shield (6) is a conductive plastic.

3. The connector (100) of claim 1, wherein: the shield (6) does not contact the at least one grounding plate (4) and does not contact the signal terminals (3) of the terminal module (2).

4. The connector (100) of claim 1, wherein: the shield (6) contacts the at least one grounding plate (4) and does not contact the signal terminals (3) of the terminal module (2).

5. The connector (100) of claim 4, wherein: the shielding piece (6) in one terminal module (2) is provided with a clamping structure fixed with the grounding sheet (4).

6. The connector (100) of claim 5, wherein: the retaining structure of the shield (6) is a projection (61), and the projection (61) is retained in the through hole (414).

7. The connector (100) of claim 1, wherein: the signal terminals (3) are embedded and molded in the insulating block (5); the grounding sheet (4) is arranged on the side surface of the insulating block (5).

8. The connector (100) of claim 1, wherein: the number of the terminal modules (2) is several, and the insulation block (5) of each terminal module (2) comprises a first insulation block (51) and a second insulation block (52); the signal terminal (3) of each of the terminal modules (2) includes a first signal terminal (31) insert-molded in the first insulating block (51) and a second signal terminal (32) insert-molded in the second insulating block (52).

9. The connector (100) of claim 8, wherein: the through hole (53) includes a first through hole (531) disposed on the first insulating block (51) and a second through hole (532) disposed on the second insulating block (52), wherein the shield (6) is inserted in the first through hole (531) and the second through hole (532).

10. The connector (100) of claim 9, wherein: the shielding parts (6) are provided in a plurality, the first through holes (531) are provided in a plurality, the second through holes (532) are provided in a plurality, the first through holes (531) are respectively communicated with the second through holes (532), and the shielding parts (6) are respectively inserted into the communicated first through holes (531) and second through holes (532).

11. The connector (100) of claim 9, wherein: the number of the grounding strips (4) is multiple, two grounding strips (4) in the multiple grounding strips (4) are respectively arranged at the outer sides of the first insulating block (51) and the second insulating block (52), and the shielding piece (6) is inserted into the first through hole (531), the second through hole (532) and the through hole (414).

12. The connector (100) of claim 11, wherein: the shield (6) does not contact both of the grounding tabs (4) and does not contact the first signal terminal (31) and the second signal terminal (32).

13. The connector (100) of claim 11, wherein: the shield (6) contacts both of the grounding tabs (4) and does not contact the first signal terminal (31) and the second signal terminal (32).

14. The connector (100) of claim 8, wherein: the first signal terminal (31) and the second signal terminal (32) form a differential pair.

15. The connector (100) of claim 8, wherein: the slots (122) include a first slot (1221) and a second slot (1222) located below the first slot (1221); the terminal module (2) comprises four first signal terminals (31) which are insert-molded in the first insulating block (51) and four second signal terminals (32) which are insert-molded in the second insulating block (52), wherein the four first signal terminals (31) and the four second signal terminals (32) are divided into two groups and extend into the first slot (1221) and the second slot (1222) respectively.

16. The connector (100) of claim 15, wherein: the connector (100) comprises a shield plate (7) between the first slot (1221) and the second slot (1222), the shield plate (7) being in contact with each of the ground plates (4).

17. The connector (100) of claim 15, wherein: the first signal terminals (31) of each terminal module (2) include first intermediate portions (311), first contact portions (312) extending from one ends of the first intermediate portions (311), and first tail portions (313) extending from the other ends of the first intermediate portions (311), the first intermediate portions (311) being located inside the first insulating blocks (51), the first contact portions (312) protruding from front sides of the first insulating blocks (51) in a direction parallel to the mating direction of the connector (100), the first tail portions (313) protruding from bottom sides of the first insulating blocks (51) in a direction perpendicular to the mating direction of the connector (100); the second signal terminal (32) of each terminal module (2) includes a second intermediate portion (321), a second contact portion (322) extending from one end of the second intermediate portion (321), and a second tail portion (323) extending from the other end of the second intermediate portion (321), the second intermediate portion (321) is located inside the second insulating block (52), the second contact portion (322) protrudes from a front side of the second insulating block (52) in a direction parallel to the mating direction of the connector (100), and the second tail portion (323) protrudes from a bottom side of the second insulating block (52) in a direction perpendicular to the mating direction of the connector (100).

18. The connector (100) of claim 1, wherein: each grounding piece (4) is a whole formed by punching a metal sheet, each grounding piece (4) comprises a third middle part (411), a third contact part (412) extending from one end of the third middle part (411) and a third tail part (413) extending from the other end of the third middle part (411), the third contact part (412) extends along a direction parallel to the butt joint direction of the connector (100), and the third tail part (413) extends along a direction perpendicular to the butt joint direction of the connector (100).

19. The connector (100) of claim 18, wherein: the through hole (414) is provided in the third intermediate portion (411) of the ground pad (4).

20. The connector (100) of claim 1, wherein: the shielding piece (6) is columnar and penetrates through the through hole (53) and the through hole (414).

21. The connector (100) of claim 20, wherein: the shielding piece (6) is in an L-shaped column shape.

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