TWM678088U - Electrical connector - Google Patents

Abstract

An electrical connector includes a housing, a first terminal module, and a mounting block. The housing includes a first terminal module mounting slot and a first partition wall. The mounting block is disposed on the housing and includes a base, a first receiving slot penetrating the base, and a first partition wall. The first partition wall and the first partition wall are provided with a first protruding rib and a first recess that cooperate with each other, wherein the first protruding rib is engaged in the first recess. This arrangement reduces the gap between the first partition wall and the first partition wall, which helps to improve crosstalk during signal transmission.

Description

Electrical connector

This invention claims priority to Chinese Patent Application No. 2024222425898, filed on September 12, 2024, entitled "Electrical Connector", the entire contents of which are incorporated herein by reference.

This invention relates to an electrical connector, belonging to the field of connector technology.

The electrical connector in the related technology includes an insulating body, a plurality of conductive terminals disposed on the insulating body, a metal shell sleeved on the insulating body, and a mounting base that mates with the insulating body. The conductive terminals typically include a first fixing portion fixed to the insulating body, a first elastic arm extending from one end of the first fixing portion, and a second fixing portion bent from the other end of the first fixing portion. The second fixing portion is housed in the mounting base.

However, the gap formed at the junction of the aforementioned mounting base and the aforementioned insulating body can easily cause crosstalk during signal transmission.

Therefore, it is necessary to improve the electrical connectors in the relevant technologies.

The purpose of this invention is to provide an electrical connector that can reduce signal crosstalk.

To achieve the aforementioned objective, the present invention adopts the following technical solution: an electrical connector comprising: a housing, the housing including a receiving slot configured to at least partially receive a mating module along a first direction, a plurality of first terminal module mounting slots communicating with the receiving slot, and a first partition wall separating adjacent first terminal module mounting slots; a first terminal module, the first terminal module being at least partially received in the first terminal module mounting slot, the first terminal module having a first conductive terminal, the first conductive terminal including a first fixing portion, a first contact arm connected to one end of the first fixing portion, and a second fixing portion connected to the other end of the first fixing portion; and a mounting block disposed on the housing, the mounting block including a base, a plurality of first receiving slots penetrating the base, and a first partition wall separating adjacent first receiving slots; Wherein, the aforementioned first fixing part is at least partially located in the aforementioned first terminal module mounting groove, the aforementioned second fixing part is at least partially located in the aforementioned first receiving groove, and the aforementioned first contact arm includes a first contact part protruding into the aforementioned receiving slot; the aforementioned mounting block is a metal mounting block or a composite mounting block formed by electroplating metal material on insulating material, and the aforementioned first conductive terminal is not in contact with the aforementioned mounting block; as a further improved technical solution of the present invention, the aforementioned first partition wall and the aforementioned first inter-partition wall are provided with a first protruding rib and a first recess that cooperate with each other, wherein the aforementioned first protruding rib is engaged in the aforementioned first recess.

The aforementioned first recess is provided in the aforementioned first partition wall, and the aforementioned first protruding rib is provided in the aforementioned first partition wall; the aforementioned first partition wall includes first sidewalls exposed in the aforementioned first recess and located on both sides of the aforementioned first recess; the aforementioned first protruding rib is provided with first sidewall surfaces located on both sides thereon; the aforementioned first sidewall surfaces are in close contact with the aforementioned first sidewalls.

As a further improvement to this invention, the aforementioned first rib is electroplated.

As a further improvement to the present invention, the first conductive terminal of the aforementioned first terminal module is two, namely a first signal terminal and a second signal terminal. The aforementioned first terminal module includes a second fixing part fixed on the aforementioned first signal terminal and a first retaining block fixed on the aforementioned second fixing part of the aforementioned second signal terminal. The aforementioned first retaining block is received in the aforementioned first receiving groove, so that the aforementioned second fixing part of the aforementioned first signal terminal and the aforementioned second fixing part of the aforementioned second signal terminal are mounted in the aforementioned first receiving groove so as not to contact the aforementioned mounting block.

As a further improvement to the present invention, the aforementioned housing is provided with a plurality of second terminal module mounting slots extending along the aforementioned first direction and a second partition wall separating adjacent second terminal module mounting slots; the aforementioned electrical connector includes a second terminal module, the aforementioned second terminal module being at least partially housed in the aforementioned second terminal module mounting slot, the aforementioned second terminal module including a second conductive terminal, the aforementioned second conductive terminal including a third fixing portion, a second contact arm connected to one end of the aforementioned third fixing portion, and a fourth fixing portion connected to the other end of the aforementioned third fixing portion; the aforementioned mounting block includes a plurality of second receiving slots penetrating the aforementioned base and a second partition wall separating adjacent second receiving slots; the aforementioned third fixing portion is at least partially located in the aforementioned second terminal module mounting slot, the aforementioned fourth fixing portion is at least partially located in the aforementioned second receiving slot, and the aforementioned second contact arm includes a second contact portion protruding into the aforementioned receiving slot; The aforementioned second partition wall and the aforementioned second inter-partition wall are provided with a second protruding rib and a second recess that cooperate with each other, wherein the aforementioned second protruding rib is engaged in the aforementioned second recess.

As a further improved technical solution of this invention, the aforementioned second recess is provided in the aforementioned second partition wall, and the aforementioned second protruding rib is provided in the aforementioned second partition wall; the aforementioned second partition wall includes second sidewalls exposed in the aforementioned second recess and located on both sides of the aforementioned second recess; the aforementioned second protruding rib is provided with second sidewall surfaces located on both sides thereon; the aforementioned second sidewall surfaces are in close contact with the aforementioned second sidewalls.

As a further improvement to this invention, the aforementioned second rib is electroplated.

As a further improvement to the present invention, the second conductive terminals of the aforementioned second terminal module are two, namely a third signal terminal and a fourth signal terminal. The aforementioned second terminal module includes a second retaining block fixed on the fourth fixing part of the aforementioned third signal terminal and the fourth fixing part of the aforementioned fourth signal terminal. The aforementioned second retaining block is received in the aforementioned second receiving groove, so that the fourth fixing part of the aforementioned third signal terminal and the fourth fixing part of the aforementioned fourth signal terminal are mounted in the aforementioned second receiving groove so as not to contact the aforementioned mounting block.

As a further improved technical solution of this invention, the aforementioned shell includes a first conductive shell and a second conductive shell, the aforementioned receiving slot is formed by the aforementioned first conductive shell and the aforementioned second conductive shell, the aforementioned first terminal module mounting slot and the aforementioned first partition wall are disposed in the aforementioned first conductive shell, and the aforementioned second terminal module mounting slot and the aforementioned second partition wall are disposed in the aforementioned second conductive shell.

As a further improvement to the present invention, the aforementioned shell is a conductive shell; the aforementioned first fixing part is mounted in the aforementioned first terminal module mounting slot, so that the aforementioned first fixing part does not contact the aforementioned conductive shell; wherein, the aforementioned conductive shell is a metal shell; or the aforementioned conductive shell is a composite shell formed by electroplating metal material onto insulating material.

Compared to the prior art, the present invention provides a first protruding rib and a first recess that cooperate with each other, wherein the first protruding rib is engaged in the first recess. This arrangement reduces the gap between the first partition wall and the first partition wall, which helps to improve crosstalk during signal transmission and enhances the quality of signal transmission.

The exemplary embodiments of this invention will be described in detail below with reference to the accompanying drawings. If multiple embodiments exist, features in these embodiments may be combined with each other without conflict. When the description involves drawings, unless otherwise stated, the same numbers in different drawings represent the same or similar elements. The content described in the following exemplary embodiments does not represent all embodiments consistent with this invention; rather, they are merely examples of apparatuses, products, and/or methods consistent with some aspects of this invention and as described in the claims.

The terminology used in this work is for the purpose of describing specific embodiments only and is not intended to limit the scope of protection of this work. The singular forms of “a,” “the,” or “the” used in the description of this work and the scope of the patent application are also intended to include the plurality, unless the context clearly indicates otherwise.

It should be understood that the use of terms such as "first," "second," and similar terms in the description and scope of this invention does not indicate any order, quantity, or importance, but is merely a naming convention to distinguish features. Similarly, terms such as "a" or "one" do not indicate a quantity limitation, but rather indicate the presence of at least one. Unless otherwise stated, terms such as "before," "after," "above," and "below" appearing in this invention are for illustrative purposes only and are not limited to a specific location or spatial orientation. Terms such as "including" or "comprising" are open-ended expressions, meaning that the element preceding "including" or "comprising" covers the element following "including" or "comprising" and their equivalents, but this does not preclude the element preceding "including" or "comprising" from including other elements. In this invention, "plural" means two or more.

Referring to Figures 1 to 4, this invention discloses a connector assembly 400, which includes an electrical connector 100, a circuit board 200 for mounting the electrical connector 100, and a mating module 300 for at least partially inserting into the electrical connector 100. In an embodiment of this invention, the electrical connector 100 is an OSFP (Octal Small Form-factor Pluggable) socket connector; correspondingly, the mating module 300 is an OSFP plug connector. Of course, those skilled in the art will understand that the aforementioned electrical connector 100 can also be an SFP (Small Form-factor Pluggable) socket connector, a QSFP (Quad Small Form-factor Pluggable) socket connector, a QSFP-DD (Quad Small Form-factor Pluggable-Double Density) socket connector, an SFP-DD (Small Form-factor Pluggable-Double Density) socket connector, or a DSFP (Dual Chanel Small Form-factor Pluggable) socket connector, etc.; correspondingly, the aforementioned mating module 300 can be an SFP plug connector, a QSFP plug connector, a QSFP-DD plug connector, an SFP-DD plug connector, or a DSFP plug connector, etc. Those skilled in the art will understand that the basic architecture of the aforementioned electrical connectors 100 of the above types is regulated by the corresponding association standards, which will not be elaborated upon here.

Referring to Figure 3, in this embodiment of the invention, the aforementioned electrical connector 100 is provided with a receiving slot 101 that at least partially accommodates the aforementioned mating module 300. To simplify the description of the specific embodiment, the insertion/removal direction of the mating module 300 and the aforementioned electrical connector 100 is a first direction A1-A1 (e.g., front-to-back direction); the width direction of the aforementioned receiving slot 101 is a second direction A2-A2 (e.g., left-to-right direction); and the mounting direction of the aforementioned electrical connector 100 and the aforementioned circuit board 200 is a third direction A3-A3 (e.g., up-down direction). The aforementioned first direction A1-A1, the aforementioned second direction A2-A2, and the aforementioned third direction A3-A3 are all perpendicular to each other.

Referring to Figures 3 to 6, the aforementioned mating module 300 includes a tongue plate 301. The tongue plate 301 includes an upper surface 302, a lower surface 303, a plurality of first contact pieces 304 exposed on the upper surface 302, and a plurality of second contact pieces 305 exposed on the lower surface 303. The plurality of first contact pieces 304 are arranged at intervals along the aforementioned second direction A2-A2, and the plurality of second contact pieces 305 are arranged at intervals along the aforementioned second direction A2-A2.

Specifically, referring to Figure 6, in this embodiment of the invention, the aforementioned plurality of first contact pieces 304 include a plurality of first signal contact pieces 3041 and a plurality of first ground contact pieces 3042. The aforementioned plurality of first signal contact pieces 3041 are divided into a plurality of groups, wherein each group of first signal contact pieces 3041 includes two first signal contact pieces 3041 arranged adjacent to each other along the aforementioned second direction A2-A2. Each group of first signal contact pieces 3041 has a first ground contact piece 3042 on each side to improve shielding and enhance signal transmission quality. In this embodiment of the invention, each group of first signal contact pieces 3041 forms a differential pair to improve signal transmission speed. In the embodiment of this invention, the length of each first grounding contact 3042 along the aforementioned first direction A1-A1 is greater than the length of each first signal contact 3041 along the aforementioned first direction A1-A1, so as to better improve shielding and improve the quality of signal transmission.

Referring to Figure 7, similarly, in this embodiment of the invention, the aforementioned plurality of second contact pieces 305 includes a plurality of second signal contact pieces 3051 and a plurality of second ground contact pieces 3052. The aforementioned plurality of second signal contact pieces 3051 are divided into a plurality of groups, wherein each group of second signal contact pieces 3051 includes two second signal contact pieces 3051 arranged adjacent to each other along the aforementioned second direction A2-A2. Each group of second signal contact pieces 3051 has a second ground contact piece 3052 on each side to improve shielding and enhance signal transmission quality. In this embodiment of the invention, each group of second signal contact pieces 3051 forms a differential pair to improve signal transmission speed. In the embodiment of this invention, the length of each second grounding contact 3052 along the aforementioned first direction A1-A1 is greater than the length of each second signal contact 3051 along the aforementioned first direction A1-A1, so as to better improve shielding and improve the quality of signal transmission.

Referring to Figures 8 to 12, in one embodiment of this invention, the aforementioned electrical connector 100 includes a housing, an insulating fixing block 2 fixed to the aforementioned housing, and a plurality of conductive terminals 3 disposed on the aforementioned housing.

In one embodiment of this invention, the aforementioned shell is a conductive shell 1. The conductive shell 1 is a metal shell made of metallic material to further improve the shielding effect and enhance the quality of signal transmission. In another embodiment of this invention, the aforementioned conductive shell 1 can also be a composite shell formed by electroplating metallic material onto insulating material. This composite shell can also improve the shielding effect and enhance the quality of signal transmission.

Referring to Figure 10, in one embodiment of this invention, the aforementioned conductive shell 1 includes a first conductive shell 11 and a second conductive shell 12. The first conductive shell 11 and the second conductive shell 12 are fixed together, for example, after the first conductive shell 11 and the second conductive shell 12 are assembled, they are then fixed together by welding or other means.

Referring to Figures 16, 17, 22, and 23, in one embodiment of this invention, the aforementioned first conductive shell 11 includes a first base 111 and a first protrusion 112 extending forward from the first base 111. The first base 111 is provided with a first upper surface 1111, a first lower surface 1112, and a plurality of weight-reducing grooves 1113 recessed downward from the first upper surface 1111. Weight reduction can be achieved by providing the aforementioned weight-reducing grooves 1113. In the embodiment of this invention, the aforementioned plurality of weight-reducing grooves 1113 do not penetrate downward through the aforementioned first base 111, thus ensuring the shielding performance of the aforementioned first base 111 while reducing weight. The aforementioned first base 111 is further provided with a plurality of first positioning through holes 1114 located on both sides of the aforementioned first base 111 and extending vertically through the aforementioned first base 111. Furthermore, the aforementioned first base 111 is also provided with a first rear surface 1115 and a first mounting groove 1116 recessed forward from the aforementioned first rear surface 1115. The aforementioned first mounting groove 1116 extends downward through the aforementioned first lower surface 1112. The aforementioned first base 111 is also provided with at least one first mounting slot 1117 communicating with the aforementioned first mounting groove 1116. In an embodiment of the present invention, there are two aforementioned first mounting slots 1117, which extend downward through the aforementioned first lower surface 1112; the aforementioned first mounting slots 1117 are connected to the aforementioned first mounting grooves 1116. The bottom of the aforementioned first base 111 is also provided with at least one first groove 1118 near the aforementioned first protrusion 112. In an embodiment of the present invention, there are two aforementioned first grooves 1118. The aforementioned first base 111 is also provided with a plurality of first mounting protrusions 1119 protruding into each of the first grooves 1118.

The aforementioned first protrusion 112 is provided with a second upper surface 1121, a second lower surface 1122, and a plurality of first filling grooves 1123 extending upward along the aforementioned third direction A3-A3 through the aforementioned second upper surface 1121. The aforementioned first filling grooves 1123 extend forward along the aforementioned first direction A1-A1 through the aforementioned first front end face 1120 of the aforementioned first protrusion 112. The aforementioned first protrusion 112 also includes a plurality of first positioning posts 1124 protruding upward along the aforementioned third direction A3-A3 from the aforementioned second upper surface 1121.

Referring to Figure 23, in this embodiment of the invention, the aforementioned first conductive housing 11 further includes a plurality of first terminal module mounting slots 113 extending along the aforementioned first direction A1-A1. Each first terminal module mounting slot 113 extends from the aforementioned first base 111 to the aforementioned first protrusion 112. The rear end of the aforementioned first terminal module mounting slot 113 communicates with the aforementioned first mounting slot 1116, the middle portion of the aforementioned first terminal module mounting slot 113 is surrounded circumferentially by the wall portion of the aforementioned first conductive housing 11, and the front end of the aforementioned first terminal module mounting slot 113 penetrates downward through the aforementioned second lower surface 1122. Those skilled in the art will understand that by arranging the center of the aforementioned first terminal module mounting slot 113 to be surrounded circumferentially by the wall of the aforementioned first conductive shell 11, the conductive terminals located in the aforementioned first terminal module mounting slot 113 can be better shielded; on the other hand, adjacent aforementioned first terminal module mounting slots 113 can be better separated, thereby reducing signal crosstalk.

Referring to Figure 23, the aforementioned plurality of first terminal module mounting slots 113 are arranged at intervals along the aforementioned second direction A2-A2. The aforementioned first conductive housing 11 includes a plurality of first partition walls 114 arranged at intervals along the aforementioned second direction A2-A2. Two adjacent first terminal module mounting slots 113 are separated by corresponding first partition walls 114 along the aforementioned second direction A2-A2. With this arrangement, each first terminal module mounting slot 113 is relatively independent, thereby reducing signal crosstalk and improving the quality of data transmission.

Referring to Figures 16, 17, 24, and 25, in one embodiment of this invention, the aforementioned second conductive housing 12 includes a second base 121 and a second protrusion 122 extending forward from the second base 121. The second base 121 is provided with a third upper surface 1211, a third lower surface 1212, a plurality of first mounting protrusions 1213 protruding upward from the third upper surface 1211, and a plurality of second mounting protrusions 1214 protruding downward from the third lower surface 1212. Furthermore, the second base 121 also includes a second rear surface 1215 and a receiving groove 1216 recessed forward from the second rear surface 1215. The receiving groove 1216 penetrates vertically through the second base 121. Additionally, the second base 121 also includes a second mounting slot 1217. The top of the aforementioned second base 121 is further provided with at least one second groove 1218 near the aforementioned second protrusion 122. In an embodiment of the present invention, there are two aforementioned second grooves 1218. The aforementioned second base 121 is also provided with a plurality of second mounting protrusions 1219 protruding into each of the second grooves 1218. The aforementioned second conductive housing 12 further includes a mounting post 1214a protruding downward from the aforementioned second mounting protrusion 1214. The aforementioned mounting post 1214a is used to insert into the mounting through hole of the aforementioned circuit board 200 to achieve installation and positioning. In one embodiment of the present invention, the bottom wall of the aforementioned second conductive housing 12 is welded and fixed to the grounding fixing piece of the aforementioned circuit board 200.

The aforementioned second protrusion 122 is provided with a fourth upper surface 1221, a fourth lower surface 1222, and a plurality of second filling grooves 1223 extending downward through the aforementioned fourth lower surface 1222. The aforementioned second filling grooves 1223 extend forward through the second front end face 1220 of the aforementioned second protrusion 122. The aforementioned second protrusion 122 also includes a plurality of second positioning posts 1224 protruding downward from the aforementioned second lower surface 1122.

Referring to Figure 25, in this embodiment of the invention, the aforementioned second conductive housing 12 further includes a plurality of second terminal module mounting slots 123 extending along the aforementioned first direction A1-A1. Each second terminal module mounting slot 123 extends from the aforementioned second base 121 to the aforementioned second protrusion 122. The rear end of the aforementioned second terminal module mounting slot 123 communicates with the aforementioned receiving slot 1216, the middle portion of the aforementioned second terminal module mounting slot 123 is surrounded circumferentially by the wall portion of the aforementioned second conductive housing 12, and the front end of the aforementioned second terminal module mounting slot 123 extends upward through the aforementioned fourth upper surface 1221. Those skilled in the art will understand that by arranging the center of the aforementioned second terminal module mounting slot 123 to be surrounded circumferentially by the walls of the aforementioned second conductive housing 12, the conductive terminals located in the aforementioned second terminal module mounting slot 123 can be better shielded; on the other hand, adjacent aforementioned second terminal module mounting slots 123 can be better separated, thereby reducing signal crosstalk.

Referring to Figure 25, the aforementioned plurality of second terminal module mounting slots 123 are arranged at intervals along the aforementioned second direction A2-A2. The aforementioned second conductive housing 12 includes a plurality of second partition walls 124 arranged at intervals along the aforementioned second direction A2-A2. Two adjacent second terminal module mounting slots 123 are separated by corresponding second partition walls 124 along the aforementioned second direction A2-A2. With this arrangement, each second terminal module mounting slot 123 is relatively independent, thereby reducing signal crosstalk and improving the quality of data transmission.

Referring to Figures 16 to 32, in the embodiment of this invention, the aforementioned insulating fixing block 2 includes a first insulating fixing block 21 and a second insulating fixing block 22. The first insulating fixing block 21 is fixed in the first filling groove 1123, and the second insulating fixing block 22 is fixed in the second filling groove 1223. Preferably, in order to increase the bonding force between the first insulating fixing block 21 and the first conductive shell 11, the first insulating fixing block 21 is formed in the first filling groove 1123 in a secondary manner. Similarly, in order to increase the bonding force between the aforementioned second insulating fixing block 22 and the aforementioned second conductive shell 12, the aforementioned second insulating fixing block 22 is formed in the aforementioned second filling groove 1223.

The aforementioned first insulating fixing block 21 is provided with a plurality of first narrow grooves 211 and a plurality of second narrow grooves 212, wherein adjacent first narrow grooves 211 and second narrow grooves 212 form a group and are connected to the corresponding first terminal module mounting groove 113. The aforementioned first insulating fixing block 21 is also provided with a first front surface 210, which is coplanar with the first front end surface 1120 of the aforementioned first protrusion 112.

Similarly, the aforementioned second insulating fixing block 22 is provided with a plurality of third narrow grooves 221 and a plurality of fourth narrow grooves 222, wherein adjacent third narrow grooves 221 and fourth narrow grooves 222 form a group and are connected to the corresponding second terminal module mounting groove 123. The aforementioned second insulating fixing block 22 is provided with a second front surface 220, which is coplanar with the second front end surface 1220 of the aforementioned second protrusion 122.

Referring to Figures 22 to 32, the aforementioned plurality of conductive terminals 3 includes a plurality of first conductive terminals 31 and a plurality of second conductive terminals 32. Each first conductive terminal 31 includes a first fixing portion 311 extending along the aforementioned first direction A1-A1, a first contact arm 310 extending forward from the front end of the aforementioned first fixing portion 311, a second fixing portion 312 bending downward from the rear end of the aforementioned first fixing portion 311, and a first mounting foot 313 extending from the bottom end of the aforementioned second fixing portion 312. The aforementioned first contact arm 310 is provided with a first contact portion 3101 protruding into the aforementioned receiving slot 101 to contact the first signal contact piece 3041 of the aforementioned tongue plate 301. In an embodiment of this invention, the first mounting foot 313 extends horizontally rearward from the bottom end of the second fixing part 312 to contact the first signal conductive piece and the second signal conductive piece of the circuit board 200.

In an embodiment of this invention, the aforementioned plurality of first conductive terminals 31 are divided into a plurality of groups, each group of first conductive terminals 31 including a first signal terminal S1 and a second signal terminal S2 adjacent to the first signal terminal S1. Preferably, the aforementioned first signal terminal S1 and the aforementioned second signal terminal S2 in each group of first conductive terminals 31 form a differential pair to improve signal transmission speed.

In one embodiment of the present invention, the aforementioned electrical connector 100 further includes a first retaining block 33 fixed to the aforementioned first signal terminal S1 and the aforementioned second signal terminal S2 of each set of first conductive terminals 31. In one embodiment of the present invention, the aforementioned first signal terminal S1 and the aforementioned second signal terminal S2 are embedded in the aforementioned first retaining block 33 to form an integral first terminal module 31a. The first contact portion 3101 of the aforementioned first signal terminal S1 and the aforementioned second signal terminal S2 in each first terminal module 31a respectively abuts against the first signal contact piece 3041 of the aforementioned mating module 300. The first mounting pin 313 of the first signal terminal S1 and the first mounting pin 313 of the second signal terminal S2 in each first terminal module 31a are respectively in contact with the first signal conductive sheet and the second signal conductive sheet of the circuit board 200.

In the embodiment of this invention, the first retaining block 33 includes a first retaining block 331 fixed to the front end of the first retaining part 311 of the first signal terminal S1 and the second signal terminal S2, a second retaining block 332 fixed to the rear end of the first retaining part 311 of the first signal terminal S1 and the second signal terminal S2, a third retaining block 333 fixed to the upper end of the second retaining part 312 of the first signal terminal S1 and the second signal terminal S2, and a fourth retaining block 334 fixed to the lower end of the second retaining part 312 of the first signal terminal S1 and the second signal terminal S2.

Similarly, each second conductive terminal 32 includes a third fixing portion 321 extending along the first direction A1-A1, a second contact arm 320 extending forward from the front end of the third fixing portion 321, a fourth fixing portion 322 bending downward from the rear end of the third fixing portion 321, and a second mounting foot 323 extending from the bottom end of the fourth fixing portion 322. The second contact arm 320 is provided with a second contact portion 3201 protruding into the receiving slot 101 to contact the second signal contact piece 3051 of the tongue plate 301. In an embodiment of the present invention, the second mounting foot 323 extends horizontally forward from the bottom end of the fourth fixing portion 322 to contact the third and fourth signal conductive pieces of the circuit board 200.

In an embodiment of this invention, the aforementioned plurality of second conductive terminals 32 are divided into a plurality of groups, each group of second conductive terminals 32 including a third signal terminal S3 and a fourth signal terminal S4 adjacent to the third signal terminal S3. Preferably, the aforementioned third signal terminal S3 and the aforementioned fourth signal terminal S4 in each group of second conductive terminals 32 form a differential pair to improve signal transmission speed.

In one embodiment of the present invention, the aforementioned electrical connector 100 further includes a second retaining block 34 fixed to the aforementioned third signal terminal S3 and the aforementioned fourth signal terminal S4 of each set of second conductive terminals 32. In one embodiment of the present invention, the aforementioned third signal terminal S3 and the aforementioned fourth signal terminal S4 are embedded in the aforementioned second retaining block 34 to form an integral second terminal module 32a. The second contact portion 3201 of the aforementioned third signal terminal S3 and the aforementioned fourth signal terminal S4 in each second terminal module 32a respectively abuts against the second signal contact piece 3051 of the aforementioned mating module 300. The second mounting pin 323 of the aforementioned third signal terminal S3 and the second mounting pin 323 of the aforementioned fourth signal terminal S4 in each second terminal module 32a are respectively in contact with the third signal conductive plate and the fourth signal conductive plate of the aforementioned circuit board 200.

In an embodiment of this invention, the aforementioned second retaining block 34 includes a fifth retaining block 341 fixed to the front end of the third retaining part 321 of the aforementioned third signal terminal S3 and the aforementioned fourth signal terminal S4, a sixth retaining block 342 fixed to the rear end of the third retaining part 321 of the aforementioned third signal terminal S3 and the aforementioned fourth signal terminal S4, a seventh retaining block 343 fixed to the upper end of the fourth retaining part 322 of the aforementioned third signal terminal S3 and the aforementioned fourth signal terminal S4, and an eighth retaining block 344 fixed to the lower end of the fourth retaining part 322 of the aforementioned third signal terminal S3 and the aforementioned fourth signal terminal S4.

Referring to Figures 1 to 32, in one embodiment of this invention, the aforementioned electrical connector 100 further includes at least one grounding piece 4 disposed on the aforementioned conductive housing 1. The aforementioned grounding piece 4 includes a first grounding piece 41 and a second grounding piece 42. In the embodiment of this invention, there are two first grounding pieces 41 made of metal; there are also two second grounding pieces 42 made of metal.

Each first grounding plate 41 is generally U-shaped and includes a first mounting plate 411, a second mounting plate 412 opposite to the first mounting plate 411, a first connecting plate 413 connecting one side of the first mounting plate 411 and one side of the second mounting plate 412, and a first extension plate 414 extending downward and rearward from the other side of the second mounting plate 412. The first mounting plate 411 is provided with a first mounting positioning hole 4111 that mates with the first positioning post 1124. The first extension plate 414 is received in a first groove 1118 of a corresponding first conductive shell 11, and the first extension plate 414 is provided with a first mounting hole 4141 that mates with the first mounting protrusion 1119.

The aforementioned first connecting plate 413 abuts against and at least partially covers the first front surface 210 of the aforementioned first insulating fixing block 21. The aforementioned first connecting plate 413 is located at the front end of the aforementioned receiving slot 101 along the aforementioned first direction A1-A1; when the aforementioned mating module 300 is inserted, the aforementioned tongue plate 301 may first contact the aforementioned first connecting plate 413, thereby facilitating the release of static electricity. The aforementioned second mounting plate 412 is provided with a plurality of first grounding spring arms 415 arranged at intervals along the aforementioned second direction A2-A2. Each pair of first contact arms 310 of the first conductive terminal 31 is provided with one of the aforementioned first grounding spring arms 415 on each side to improve the shielding effect and improve the quality of signal transmission.

The aforementioned first grounding spring arm 415 generally protrudes away from the aforementioned first mounting plate 411. Specifically, in an embodiment of the present invention, the aforementioned first grounding spring arm 415 includes a first intermediate portion 4150, a first spring arm portion 4151 connecting one end of the aforementioned first intermediate portion 4150 and the aforementioned first connecting plate 413, and a second spring arm portion 4152 connecting the other end of the aforementioned first intermediate portion 4150 and the aforementioned first extension plate 414. In one embodiment of the present invention, the aforementioned first intermediate portion 4150 is provided with a first protrusion 4150a extending into the aforementioned receiving slot 101. The aforementioned first spring arm portion 4151 is provided with a first abutting spring arm 4151a extending towards the aforementioned first intermediate portion 4150, and a first clearance groove 4151b corresponding to the aforementioned first abutting spring arm 4151a and providing deformation space for the aforementioned first abutting spring arm 4151a. The aforementioned second spring arm portion 4152 is provided with a second abutting spring arm 4152a extending towards the aforementioned first intermediate portion 4150, and a second clearance groove 4152b corresponding to the aforementioned second abutting spring arm 4152a and providing deformation space for the aforementioned second abutting spring arm 4152a. In the embodiment of the present invention, the aforementioned first abutting spring arm 4151a and the aforementioned second abutting spring arm 4152a are respectively located on both sides of the aforementioned first intermediate portion 4150. The aforementioned first abutment arm 4151a and the aforementioned second abutment arm 4152a are aligned along the aforementioned first direction A1-A1. The free ends of the aforementioned first abutment arm 4151a and the aforementioned second abutment arm 4152a are both close to the aforementioned first middle portion 4150. The aforementioned first abutment arm 4151a, the aforementioned first protrusion 4150a, and the aforementioned second abutment arm 4152a are all in contact with the first grounding contact piece 3042 of the mating module 300. This three-point contact method is beneficial for achieving a better shielding effect.

In one embodiment of this invention, the aforementioned first spring arm portion 4151 is provided with a first frame 4151c that surrounds the first spring arm. The aforementioned first clearance groove 4151b is a closed groove and is surrounded by the aforementioned first frame 4151c. The aforementioned first abutting spring arm 4151a is connected to one wall of the aforementioned first frame 4151c, and the other three walls of the aforementioned first frame 4151c respectively surround the other three sides of the aforementioned first abutting spring arm 4151a. In one embodiment of this invention, by providing the aforementioned first frame 4151c surrounding the aforementioned first abutting spring arm 4151a, the aforementioned first abutting spring arm 4151a can be better protected, preventing the aforementioned first abutting spring arm 4151a from excessive deformation.

Similarly, the aforementioned second spring arm portion 4152 is provided with a second frame 4152c that surrounds it on all four sides. The aforementioned second clearance groove 4152b is a closed groove and is surrounded by the aforementioned second frame 4152c. The aforementioned second abutting spring arm 4152a is connected to one wall of the aforementioned second frame 4152c, and the other three walls of the aforementioned second frame 4152c respectively surround the other three sides of the aforementioned second abutting spring arm 4152a. In one embodiment of the present invention, by providing the aforementioned second frame 4152c surrounding the aforementioned second abutting spring arm 4152a, the aforementioned second abutting spring arm 4152a can be better protected, preventing the aforementioned second abutting spring arm 4152a from excessive deformation.

In one embodiment of this invention, the first positioning post 1124 is fixed to the first mounting positioning hole 4111, thereby fixing the first mounting plate 411 to the second upper surface 1121 of the first protrusion 112. Referring to FIG21, the size of the first mounting hole 4141 along the first direction A1-A1 can be slightly larger than the size of the first mounting protrusion 1119 along the first direction A1-A1. Therefore, when the first abutting arm 4151a, the first intermediate portion 4150, and the second abutting arm 4152a are abutted and deformed by the first grounding contact piece 3042 of the mating module 300, the first extension plate 414 can move appropriately in the first groove 1118 along the first direction A1-A1.

Each second grounding plate 42 is generally U-shaped and includes a third mounting plate 421, a fourth mounting plate 422 opposite to the third mounting plate 421, a second connecting plate 423 connecting one side of the third mounting plate 421 and one side of the fourth mounting plate 422, and a second extension plate 424 extending downward and rearward from the other side of the fourth mounting plate 422. The third mounting plate 421 is provided with a second mounting positioning hole 4211 that mates with the second positioning post 1224. The second extension plate 424 is received in the second groove 1218 of the corresponding second conductive shell 12, and the second extension plate 424 is provided with a second mounting hole 4241 that mates with the second mounting protrusion 1219.

The aforementioned second connecting plate 423 abuts against and at least partially covers the second front surface 220 of the aforementioned second insulating fixing block 22. The aforementioned second connecting plate 423 is located at the front end of the aforementioned receiving slot 101 along the aforementioned first direction A1-A1; when the aforementioned mating module 300 is inserted, the aforementioned tongue plate 301 may first contact the aforementioned second connecting plate 423, thereby facilitating the release of static electricity. The aforementioned fourth mounting plate 422 is provided with a plurality of second grounding spring arms 425 arranged at intervals along the aforementioned second direction A2-A2. Each set of second conductive terminals 32 has one of the aforementioned second grounding spring arms 425 on each side of the second contact arm 320, in order to improve the shielding effect and improve the quality of signal transmission.

The aforementioned second grounding spring arm 425 generally protrudes away from the aforementioned third mounting plate 421. Specifically, in an embodiment of the present invention, the aforementioned second grounding spring arm 425 includes a second intermediate portion 4250, a third spring arm portion 4251 connecting one end of the aforementioned second intermediate portion 4250 and the aforementioned second connecting plate 423, and a fourth spring arm portion 4252 connecting the other end of the aforementioned second intermediate portion 4250 and the aforementioned second extension plate 424. In one embodiment of the present invention, the aforementioned second intermediate portion 4250 is provided with a second protrusion 4250a extending into the aforementioned receiving slot 101. The aforementioned third spring arm portion 4251 is provided with a third abutting spring arm 4251a extending towards the aforementioned second intermediate portion 4250, and a third clearance groove 4251b corresponding to the aforementioned third abutting spring arm 4251a and providing deformation space for the aforementioned third abutting spring arm 4251a. The aforementioned fourth spring arm portion 4252 is provided with a fourth abutting spring arm 4252a extending towards the aforementioned second intermediate portion 4250, and a fourth clearance groove 4252b corresponding to the aforementioned fourth abutting spring arm 4252a and providing deformation space for the aforementioned fourth abutting spring arm 4252a. In the embodiment of the present invention, the aforementioned third abutting spring arm 4251a and the aforementioned fourth abutting spring arm 4252a are respectively located on both sides of the aforementioned second intermediate portion 4250. The aforementioned third abutment arm 4251a and the aforementioned fourth abutment arm 4252a are aligned along the aforementioned first direction A1-A1. The free ends of the aforementioned third abutment arm 4251a and the aforementioned fourth abutment arm 4252a are both close to the aforementioned second intermediate portion 4250. The aforementioned third abutment arm 4251a, the aforementioned second protrusion 4250a, and the aforementioned fourth abutment arm 4252a are all in contact with the second grounding contact piece 3052 of the mating module 300. This three-point contact method is beneficial for achieving a better shielding effect.

In one embodiment of this invention, the aforementioned third spring arm portion 4251 is provided with a third frame 4251c that surrounds the third spring arm. The aforementioned third clearance groove 4251b is a closed groove and is surrounded by the aforementioned third frame 4251c. The aforementioned third abutting spring arm 4251a is connected to one wall of the aforementioned third frame 4251c, and the other three walls of the aforementioned third frame 4251c respectively surround the other three sides of the aforementioned third abutting spring arm 4251a. In one embodiment of this invention, by providing the aforementioned third frame 4251c surrounding the aforementioned third abutting spring arm 4251a, better protection can be provided for the aforementioned third abutting spring arm 4251a, preventing excessive deformation of the aforementioned third abutting spring arm 4251a.

Similarly, the aforementioned fourth spring arm portion 4252 is provided with a fourth frame 4252c that surrounds it on all four sides. The aforementioned fourth clearance groove 4252b is a closed groove and is surrounded by the aforementioned fourth frame 4252c. The aforementioned fourth abutting spring arm 4252a is connected to one wall of the aforementioned fourth frame 4252c, and the other three walls of the aforementioned fourth frame 4252c respectively surround the other three sides of the aforementioned fourth abutting spring arm 4252a. In one embodiment of the present invention, by providing the aforementioned fourth frame 4252c surrounding the aforementioned fourth abutting spring arm 4252a, the aforementioned fourth abutting spring arm 4252a can be better protected, preventing the aforementioned fourth abutting spring arm 4252a from excessive deformation.

In one embodiment of this invention, the aforementioned second positioning post 1224 is fixed to the aforementioned second mounting positioning hole 4211, thereby fixing the aforementioned third mounting plate 421 to the fourth lower surface 1222 of the aforementioned second protrusion 122. Referring to FIG20, the size of the aforementioned second mounting hole 4241 along the aforementioned first direction A1-A1 can be slightly larger than the size of the aforementioned second mounting protrusion 1219 along the aforementioned first direction A1-A1, so that when the aforementioned third abutting spring arm 4251a, the aforementioned second intermediate portion 4250, and the aforementioned fourth abutting spring arm 4252a are abutted and deformed by the aforementioned second grounding contact piece 3052 of the aforementioned mating module 300, the aforementioned second extension plate 424 can move appropriately in the aforementioned second groove 1218 along the aforementioned first direction A1-A1.

Referring to Figures 11 to 15, in one embodiment of this invention, the aforementioned electrical connector 100 further includes a mounting block 5 disposed on the aforementioned conductive housing 1. In one embodiment of this invention, the aforementioned mounting block 5 is a metal mounting block made of metal material to improve shielding effect and enhance signal transmission quality. In another embodiment of this invention, the aforementioned mounting block 5 may also be a composite mounting block formed by electroplating metal material onto insulating material.

In one embodiment of this invention, the aforementioned mounting block 5 includes a base 51, a first mounting protrusion 52 extending upward from the base 51, a second mounting protrusion 53 extending upward from the base 51, a plurality of first receiving grooves 522 penetrating vertically through the mounting block 5, and a plurality of second receiving grooves 532 penetrating vertically through the mounting block 5. The base 51 is provided with a plurality of positioning openings 510 on both sides thereof, and the positioning openings 510 cooperate with the second mounting protrusions 1214. The base 51 is provided with a top surface 511 and a bottom surface 512, and the first mounting protrusions 52 and the second mounting protrusions 53 both protrude upward from the top surface 511 of the base 51.

The aforementioned plurality of first receiving slots 522 extend upward through the aforementioned first mounting protrusion 52. The aforementioned first mounting protrusion 52 is provided with a further upward-protruding back plate 521 and a first partition wall 523 separating the aforementioned plurality of first receiving slots 522. The aforementioned back plate 521 is used to pass through the aforementioned receiving slot 1216 and the aforementioned first mounting slot 1116, and is inserted into the aforementioned first mounting slot 1117. The aforementioned back plate 521 shields the aforementioned second fixing part 312 of the aforementioned first conductive terminal 31 and the aforementioned fourth fixing part 322 of the aforementioned second conductive terminal 32, thereby forming a shield and isolation from the outside world. The aforementioned first receiving slot 522 is used to receive the aforementioned fourth fixing block 334 and to mount the aforementioned second fixing part 312 of the aforementioned first conductive terminal 31 in the aforementioned first receiving slot 522. This arrangement improves the shielding effect on the first conductive terminal 31 and avoids short circuits caused by the contact between the second fixing part 312 and the mounting block 5.

The aforementioned plurality of second receiving slots 532 extend upward through the aforementioned second mounting protrusion 53. The aforementioned second mounting protrusion 53 is provided with a mounting positioning plate 531 and a second partition wall 533 separating the aforementioned plurality of second receiving slots 532. The aforementioned mounting positioning plate 531 is used to insert into the aforementioned second mounting slot 1217 for installation and positioning. The aforementioned second receiving slot 532 is used to receive the aforementioned eighth fixing block 344, and the fourth fixing part 322 of the aforementioned second conductive terminal 32 is mounted in the aforementioned second receiving slot 532. This arrangement improves the shielding effect on the aforementioned second conductive terminal 32 and avoids short circuits caused by the aforementioned fourth fixing part 322 contacting the aforementioned mounting block 5.

Referring to Figure 11, in one embodiment of this invention, the aforementioned base 51, the aforementioned first mounting protrusion 52, the aforementioned second mounting protrusion 53, and the aforementioned back plate 521 are an integral structure. The aforementioned back plate 521 can provide better shielding for the second fixing part 312 of the aforementioned first conductive terminal 31 and the fourth fixing part 322 of the aforementioned second conductive terminal 32, thereby improving the quality of signal transmission.

Referring to Figure 12, in one embodiment of this invention, the aforementioned base 51 is further provided with a plurality of first through holes 513 and a plurality of second through holes 514 penetrating the aforementioned top surface 511 and the aforementioned bottom surface 512. Each first through hole 513 is used to allow the first mounting pin 313 of the corresponding first signal terminal S1 and the second signal terminal S2 in the corresponding first terminal module 31a to pass through. Each second through hole 514 is used to allow the second mounting pin 323 of the corresponding third signal terminal S3 and the fourth signal terminal S4 in the corresponding second terminal module 32a to pass through. The aforementioned first mounting pin 313 and the aforementioned second mounting pin 323 are used to be mounted on the aforementioned circuit board 200.

Referring to Figures 4, 5, and 12 to 15, in one embodiment of this invention, to improve the shielding of the aforementioned first mounting pin 313 and the aforementioned second mounting pin 323, the aforementioned electrical connector 100 further includes a plurality of first shielding protrusions 54, a plurality of second shielding protrusions 55, a plurality of third shielding protrusions 56, and a plurality of fourth shielding protrusions 57. In one embodiment of this invention, the aforementioned plurality of first shielding protrusions 54, the aforementioned plurality of second shielding protrusions 55, the aforementioned plurality of third shielding protrusions 56, and the aforementioned plurality of fourth shielding protrusions 57 are all disposed on the aforementioned mounting block 5 and protrude downward from the bottom surface 512 of the aforementioned base 51. Each first through hole 513 is provided with a first shielding protrusion 54 and a second shielding protrusion 55 on both sides to better shield the first mounting pins 313 of the first signal terminals S1 and S2 in a set of first terminal modules 31a, thereby improving the quality of signal transmission. Each second through hole 514 is provided with a third shielding protrusion 56 and a fourth shielding protrusion 57 on both sides to better shield the second mounting pins 323 of the third signal terminals S3 and S4 in a set of second terminal modules 32a, thereby improving the quality of signal transmission.

In one embodiment of this invention, the aforementioned first shielding protrusion 54, the aforementioned second shielding protrusion 55, the aforementioned third shielding protrusion 56, and the aforementioned fourth shielding protrusion 57 are all integrally formed with the aforementioned base 51. Of course, in other embodiments, the aforementioned first shielding protrusion 54, the aforementioned second shielding protrusion 55, the aforementioned third shielding protrusion 56, and the aforementioned fourth shielding protrusion 57 can also be manufactured separately from the aforementioned base 51 and assembled and fixed to the aforementioned base 51.

Referring to Figure 5, in one embodiment of this invention, the aforementioned first shielding protrusion 54 and the aforementioned third shielding protrusion 56 are arranged at intervals along the aforementioned first direction A1-A1; the aforementioned second shielding protrusion 55 and the aforementioned fourth shielding protrusion 57 are arranged at intervals along the aforementioned first direction A1-A1. The aforementioned first shielding protrusion 54 and the aforementioned third shielding protrusion 56 are aligned along the aforementioned first direction A1-A1; the aforementioned second shielding protrusion 55 and the aforementioned fourth shielding protrusion 57 are aligned along the aforementioned first direction A1-A1.

The aforementioned first shielding protrusion 54 is provided with a first lower mounting surface 541, the aforementioned second shielding protrusion 55 is provided with a second lower mounting surface 551, the aforementioned third shielding protrusion 56 is provided with a third lower mounting surface 561, the aforementioned fourth shielding protrusion 57 is provided with a fourth lower mounting surface 571, the aforementioned first mounting foot 313 is provided with a first lower contact surface 3131, and the aforementioned second mounting foot 323 is provided with a second lower contact surface 3231. In order to improve the reliability of contact, in the embodiment of the present invention, the aforementioned first lower mounting surface 541, the aforementioned second lower mounting surface 551, the aforementioned third lower mounting surface 561, the aforementioned fourth lower mounting surface 571, the aforementioned first lower contact surface 3131, and the aforementioned second lower contact surface 3231 are all coplanar.

When assembling the aforementioned electrical connector 100, firstly, the aforementioned first insulating fixing block 21 is fixed in the aforementioned first filling groove 1123, and the aforementioned second insulating fixing block 22 is fixed in the aforementioned second filling groove 1223.

Then, the first conductive shell 11 and the second conductive shell 12 are assembled together, wherein the first mounting protrusion 1213 is inserted into the first positioning through hole 1114; the first base 111 and the second base 121 are vertically aligned; the first protrusion 112 and the second protrusion 122 are vertically aligned; and the first mounting groove 1116 and the receiving groove 1216 are vertically aligned and connected. In one embodiment of the invention, the first mounting protrusion 1213 and the first positioning through hole 1114 are interference-fitted to increase their holding force. Furthermore, in order to further increase the bonding force between the first conductive shell 11 and the second conductive shell 12, the first conductive shell 11 and the second conductive shell 12 are welded at the joint position. For example, the first conductive shell 11 has an upwardly recessed first welding groove 11a at the aforementioned joint position, and the second conductive shell 12 has a downwardly recessed second welding groove 12a at the aforementioned joint position. The first welding groove 11a and the second welding groove 12a at corresponding positions are connected, which facilitates the filling of solder into the first welding groove 11a and the second welding groove 12a, thereby achieving the welding and fixing of the first conductive shell 11 and the second conductive shell 12. After the first conductive shell 11 and the second conductive shell 12 are fixed, the aforementioned receiving slot 101 for accommodating the aforementioned mating module 300 is formed between the aforementioned first protrusion 112 and the aforementioned second protrusion 122.

Then, the aforementioned first grounding piece 41 and the aforementioned second grounding piece 42 are respectively disposed on the aforementioned first conductive shell 11 and the aforementioned second conductive shell 12.

Then, the aforementioned first terminal module 31a and the aforementioned second terminal module 32a are disposed from back to front along the aforementioned first direction A1-A1 in the corresponding first terminal module mounting slot 113 and second terminal module mounting slot 123. At this time, the aforementioned first fixing block 331 and the aforementioned second fixing block 332 are engaged in the corresponding first terminal module mounting slot 113, so that the first fixing part 311 of the aforementioned first conductive terminal 31 is mounted in the aforementioned first terminal module mounting slot 113 to avoid short circuit due to contact with the aforementioned first conductive shell 11. The first contact arm 310 of the aforementioned first signal terminal S1 extends at least partially into the first narrow groove 211 of the aforementioned first insulating fixing block 21. The first contact arm 310 of the aforementioned second signal terminal S2 extends at least partially into the second narrow groove 212 of the aforementioned first insulating fixing block 21. Similarly, the aforementioned fifth fixing block 341 and the aforementioned sixth fixing block 342 are engaged in the corresponding second terminal module mounting slot 123, so that the third fixing part 321 of the aforementioned second conductive terminal 32 is mounted in the aforementioned second terminal module mounting slot 123 to avoid short circuit due to contact with the aforementioned second conductive shell 12. The second contact arm 320 of the aforementioned third signal terminal S3 extends at least partially into the third narrow groove 221 of the aforementioned second insulating fixing block 22. The second contact arm 320 of the aforementioned fourth signal terminal S4 extends at least partially into the fourth narrow groove 222 of the aforementioned second insulating fixing block 22.

Then, the aforementioned mounting block 5 is disposed on the aforementioned first conductive shell 11 and the aforementioned second conductive shell 12. The first fixing part 311 and the second fixing part 312 of the aforementioned first conductive terminal 31 are respectively received in the aforementioned first terminal module mounting slot 113 and the aforementioned first receiving slot 522. The third fixing part 321 and the fourth fixing part 322 of the aforementioned second conductive terminal 32 are respectively received in the aforementioned second terminal module mounting slot 123 and the aforementioned second receiving slot 532. The aforementioned first terminal module mounting slot 113 is a surrounding slot formed by a plurality of wall portions of the aforementioned first conductive shell 11, and adjacent first terminal module mounting slots 113 are spaced apart from each other, so as to better shield the first fixing part 311 of the aforementioned first conductive terminal 31. The aforementioned second terminal module mounting slot 123 is a surrounding slot formed by a plurality of wall portions of the aforementioned second conductive shell 12, and adjacent second terminal module mounting slots 123 are spaced apart from each other, so as to better shield the third fixing portion 321 of the aforementioned second conductive terminal 32. The aforementioned first receiving slot 522 is a surrounding slot formed by a plurality of wall portions of the aforementioned mounting block 5, and adjacent first receiving slots 522 are spaced apart from each other, so as to better shield the second fixing portion 312 of the aforementioned first conductive terminal 31. The aforementioned second receiving slot 532 is a surrounding slot formed by a plurality of wall portions of the aforementioned mounting block 5, and adjacent second receiving slots 532 are spaced apart from each other, so as to better shield the fourth fixing portion 322 of the aforementioned second conductive terminal 32. Once the aforementioned mounting block 5 is installed in place, the aforementioned mounting block 5 comes into contact with the rear ends of the aforementioned plurality of first partition walls 114 and the rear ends of the aforementioned plurality of second partition walls 124, thereby helping to further improve the shielding effect.

Those skilled in the relevant technical field will understand that the order of the steps in the above assembly method can be flexibly adjusted as needed, and this work will not elaborate further on this.

Referring to Figures 3, 10, and 11, in an embodiment of this invention, the aforementioned electrical connector 100 further includes a thin film 13 fixed to the first upper surface 1111 of the first conductive housing 11 and covering the aforementioned weight-reducing groove 1113. The aforementioned thin film 13 has a flat upper surface, allowing a suction cup to hold the aforementioned thin film 13 when the aforementioned electrical connector 100 is disposed on the aforementioned circuit board 200, thereby gripping the aforementioned electrical connector 100. In one embodiment of this invention, the aforementioned thin film 13 is a polyester film.

Figures 33 to 40 illustrate another embodiment of the electrical connector 100 of this invention, wherein the same reference numerals used in Figures 33 to 40 and Figures 1 to 32 denote the same or corresponding technical features, which will not be repeated here. Hereinafter, only the main distinguishing technical features of the aforementioned electrical connector 100 in these two embodiments will be described.

Referring to Figures 33 to 40, in this embodiment, the aforementioned plurality of first terminal module mounting slots 113 are arranged at intervals along the aforementioned second direction A2-A2. The aforementioned first conductive shell 11 includes a plurality of first partition walls 114 arranged at intervals along the aforementioned second direction A2-A2. Each first partition wall 114 is provided with a first recess 1140 located at its bottom. The aforementioned first partition wall 114 includes first sidewalls 1140a exposed in the aforementioned first recess 1140 and located on both sides of the aforementioned first recess 1140.

Similarly, the aforementioned plurality of second terminal module mounting slots 123 are arranged at intervals along the aforementioned second direction A2-A2. The aforementioned second conductive housing 12 includes a plurality of second partition walls 124 arranged at intervals along the aforementioned second direction A2-A2. Each second partition wall 124 is provided with a second recess 1240 located at its bottom. The aforementioned second partition wall 124 includes second sidewalls 1240a exposed in the aforementioned second recess 1240 and located on both sides of the aforementioned second recess 1240.

Correspondingly, the first partition wall 523 of the aforementioned mounting block 5 is provided with a first protruding rib 5230 at its top, and the second partition wall 533 of the aforementioned mounting block 5 is provided with a second protruding rib 5330 at its top. The aforementioned first protruding rib 5230 is provided with first side wall surfaces 5230a on both sides of it. The aforementioned second protruding rib 5330 is provided with second side wall surfaces 5330a on both sides of it.

When the aforementioned mounting block 5 is assembled with the aforementioned first conductive shell 11 and the aforementioned second conductive shell 12, the first protruding rib 5230 of the aforementioned mounting block 5 is engaged in the first recess 1140 of the aforementioned first conductive shell 11, and the second protruding rib 5330 of the aforementioned mounting block 5 is engaged in the second recess 1240 of the aforementioned second conductive shell 12. At this time, the first side wall surface 5230a of the aforementioned first protruding rib 5230 can be in close contact with the first side wall 1140a of the aforementioned first partition wall 114, and the second side wall surface 5330a of the aforementioned second protruding rib 5330 can be in close contact with the second side wall 1240a of the aforementioned second partition wall 124. This arrangement reduces the gap between the first partition wall 114 and the first inter-partition wall 523, and also reduces the gap between the second partition wall 124 and the second inter-partition wall 533, which helps to improve crosstalk during signal transmission and enhances the quality of signal transmission. Of course, those skilled in the art will understand that the first protruding rib 5230 and the first recess 1140 can also be interchanged, i.e., the first protruding rib 5230 can be located on the first partition wall 114, and the first recess 1140 can be located on the first inter-partition wall 523. Similarly, the second protruding rib 5330 and the second recess 1240 can also be interchanged, i.e., the second protruding rib 5330 can be located on the second partition wall 124, and the second recess 1240 can be located on the second inter-partition wall 533.

The aforementioned mounting block 5 is a metal mounting block or a composite mounting block formed by electroplating metal material onto insulating material. Preferably, the aforementioned mounting block 5 is a metal mounting block made of metal material to provide a better shielding effect.

In one embodiment of this invention, both the aforementioned first rib 5230 and the aforementioned second rib 5330 are electroplated to further improve crosstalk during signal transmission and enhance the quality of signal transmission.

The above embodiments are for illustrative purposes only and are not intended to limit the technical solutions described herein. The understanding of this invention should be based on those skilled in the art. Although this specification has provided a detailed description of this invention with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify or make equivalent substitutions to this invention. All technical solutions and improvements that do not depart from the spirit and scope of this invention should be covered within the scope of the patent application.

1: Conductive housing; 100: Electrical connector; 101: Receiving slot; 11: First conductive housing; 11a: First welding groove; 111: First base; 1111: First upper surface; 1112: First lower surface; 1113: Weight reduction groove; 1114: First positioning through hole; 1115: First rear surface; 1116: First mounting groove; 1117: First mounting slot; 1118: First recess; 1119: First mounting protrusion; 112: First protrusion; 1120: First front end face; 1121: Second upper surface; 1122: Second lower surface; 1123: First filling groove; 1124: First positioning post; 113: First terminal module mounting groove; 114: First partition wall; 1140: First notch; 1140a: First side wall. 12: Second conductive shell 12a: Second welding groove 121: Second base 1211: Third upper surface 1212: Third lower surface 1213: First mounting protrusion 1214: Second mounting protrusion 1214a: Mounting post 1215: Second rear surface 1216: Reception groove 1217: Second mounting slot 1218: Second groove 1219: Second mounting protrusion 122: Second protrusion 1220: Second front end face 1221: Fourth upper surface 1222: Fourth lower surface 1223: Second filling groove 1224: Second positioning post 123: Second terminal module mounting groove 124: Second partition wall 1240: Second notch 1240a: Second side wall 13: Thin film 2: Insulation fixing block 200: Circuit board; 21: First insulating fixing block; 210: First front surface; 211: First narrow groove; 212: Second narrow groove; 22: Second insulating fixing block; 220: Second front surface; 221: Third narrow groove; 222: Fourth narrow groove; 3: Conductive terminal; 300: Connecting module; 301: Tongue plate; 302: Upper surface of tongue plate; 303: Lower surface of tongue plate; 304: First contact piece; 3041: First signal contact piece; 3042: First ground contact piece; 305: Second contact piece; 3051: Second signal contact piece; 3052: Second ground contact piece; 31: First conductive terminal; 31a: First terminal module; 310: First contact arm. 3101: First contact part; 311: First fixing part; 312: Second fixing part; 313: First mounting foot; 3131: First lower contact surface; 32: Second conductive terminal; 32a: Second terminal module; 320: Second contact arm; 3201: Second contact part; 321: Third fixing part; 322: Fourth fixing part; 323: Second mounting foot; 3231: Second lower contact surface; 33: First retaining block; 331: First fixing block; 332: Second fixing block; 333: Third fixing block; 334: Fourth fixing block; 34: Second retaining block; 341: Fifth fixing block; 342: Sixth fixing block; 343: Seventh fixing block; 344: Eighth fixing block; 4: Grounding piece. 400: Connector assembly; 41: First grounding plate; 411: First mounting plate; 4111: First mounting positioning hole; 412: Second mounting plate; 413: First connecting plate; 414: First extension plate; 4141: First mounting hole; 415: First grounding spring arm; 4150: First middle part; 4150a: First protrusion; 4151: First spring arm part; 4151a: First abutting spring arm; 4151b: First clearance groove; 4151c: First frame; 4152: Second spring arm part; 4152a: Second abutting spring arm; 4152b: Second clearance groove; 4152c: Second frame; 42: Second grounding plate; 421: Third mounting plate; 4211: Second mounting positioning hole; 422: Fourth mounting plate; 423: Second connecting plate. 424: Second extension plate 4241: Second mounting hole 425: Second grounding spring arm 4250: Second middle part 4250a: Second protrusion 4251: Third spring arm part 4251a: Third abutting spring arm 4251b: Third clearance groove 4251c: Third frame 4252: Fourth spring arm part 4252a: Fourth abutting spring arm 4252b: Fourth clearance groove 4252c: Fourth frame 5: Mounting block 51: Base 510: Positioning opening 511: Top surface 512: Bottom surface 513: First through hole 514: Second through hole 52: First mounting protrusion 521: Back plate 522: First receiving groove 523: First partition wall 5230: First protruding rib 5230a: First side wall surface; 53: Second mounting protrusion; 531: Mounting positioning plate; 532: Second receiving slot; 533: Second partition wall; 5330: Second protruding rib; 5330a: Second side wall surface; 54: First shielding protrusion; 541: First lower mounting surface; 55: Second shielding protrusion; 551: Second lower mounting surface; 56: Third shielding protrusion; 561: Third lower mounting surface; 57: Fourth shielding protrusion; 571: Fourth lower mounting surface; A1-A1: First direction; A2-A2: Second direction; A3-A3: Third direction; B-B, J-J: Line; C: Circled part in Figure 4; D: Circled part in Figure 16; E: Circled part in Figure 17; F: Framed part in Figure 22; G: Framed part in Figure 24; H: Circled part in Figure 33; I: Circled part in Figure 35; K: Circled part in Figure 39. S1: First signal terminal; S2: Second signal terminal; S3: Third signal terminal; S4: Fourth signal terminal

Figure 1 is a perspective view of the connector assembly of the present invention in one embodiment. Figure 2 is a perspective view of Figure 1 from another angle. Figure 3 is a partial exploded perspective view of Figure 1. Figure 4 is a partial exploded perspective view of Figure 3 from another angle. Figure 5 is a partial enlarged view of the circled portion C in Figure 4. Figure 6 is a top view of the electrical connector, mating module, and circuit board of the present invention in one embodiment. Figure 7 is a bottom view of Figure 6. Figure 8 is a front view of the electrical connector of the present invention in one embodiment. Figure 9 is a right view of Figure 8. Figure 10 is a partial exploded perspective view of the aforementioned electrical connector in Figure 3. Figure 11 is a further partial exploded perspective view of Figure 10. Figure 12 is a partial exploded perspective view of Figure 11 from another angle. Figure 13 is a top view of the mounting block in Figure 11. Figure 14 is a rear view of the aforementioned electrical connector separated from the aforementioned mounting block. Figure 15 is a bottom view of the aforementioned electrical connector separated from the aforementioned mounting block. Figure 16 is a perspective view of the aforementioned electrical connector after the aforementioned mounting block has been removed, and the first conductive shell and the second conductive shell are separated from each other. Figure 17 is a perspective view of Figure 16 from another angle. Figure 18 is a partial enlarged view of the circled portion D in Figure 16. Figure 19 is a partial enlarged view of the circled portion E in Figure 17. Figure 20 is a top view of Figure 16. Figure 21 is a bottom view of Figure 16. Figure 22 is an exploded perspective view of the aforementioned first conductive shell, the plurality of first terminal modules, the first insulating fixing block, and the first grounding plate in Figure 16. Figure 23 is an exploded perspective view of Figure 22 from another angle. Figure 24 is an exploded perspective view of the second conductive shell, the plurality of second terminal modules, the second insulating fixing block, and the second grounding plate mentioned in Figure 16. Figure 25 is an exploded perspective view of Figure 24 from another angle. Figure 26 is a top view of Figure 22 from a certain angle. Figure 27 is a top view of Figure 23. Figure 28 is a top view of Figure 25. Figure 29 is a top view of Figure 24 from a certain angle. Figure 30 is a partial enlarged view of the framed portion F in Figure 22. Figure 31 is a partial enlarged view of the framed portion G in Figure 24. Figure 32 is a schematic cross-sectional view of the connector assembly of the present invention along line B-B in Figure 3, wherein the aforementioned electrical connector has been installed on the aforementioned circuit board. Figure 33 is a partial exploded perspective view of the electrical connector of the present invention in another embodiment. Figure 34 is a partial enlarged view of the circled portion H in Figure 33. Figure 35 is a partial exploded perspective view of Figure 33 from another angle. Figure 36 is a partial enlarged view of the circled portion I in Figure 35. Figure 37 is a top view of the mounting base in Figure 33. Figure 38 is a further partial exploded perspective view after removing the aforementioned mounting base in Figure 35. Figure 39 is a schematic cross-sectional view of the aforementioned mounting base in Figure 33 after it is disposed in the first conductive housing and the second conductive housing, along line J-J in Figure 33. Figure 40 is a partial enlarged view of the circled portion K in Figure 39.

12: Second conductive shell

1240: Second notch

1240a: Second sidewall

5330: Second rib

5330a: Second side wall

K: The circled part in Figure 39

Claims (10)

An electrical connector, comprising: a housing including a receiving slot configured to at least partially receive a mating module along a first direction, a plurality of first terminal module mounting slots communicating with the receiving slot, and a first partition wall separating adjacent first terminal module mounting slots; a first terminal module, at least partially received in the first terminal module mounting slot, the first terminal module having a first conductive terminal, the first conductive terminal including a first fixing portion, a first contact arm connected to one end of the first fixing portion, and a second fixing portion connected to the other end of the first fixing portion; and a mounting block disposed on the housing, the mounting block including a base, a plurality of first receiving slots penetrating the base, and a first partition wall separating adjacent first receiving slots; Wherein, the aforementioned first fixing part is at least partially located in the aforementioned first terminal module mounting slot, the aforementioned second fixing part is at least partially located in the aforementioned first receiving slot, the aforementioned first contact arm includes a first contact part protruding into the aforementioned receiving slot; the aforementioned mounting block is a metal mounting block or a composite mounting block formed by electroplating metal material on insulating material, the aforementioned first conductive terminal is not in contact with the aforementioned mounting block; the aforementioned first partition wall and the aforementioned first inter-partition wall are provided with a first protruding rib and a first recess that cooperate with each other, wherein the aforementioned first protruding rib is engaged in the aforementioned first recess. The electrical connector as claimed in claim 1, wherein: the aforementioned first notch is provided in the aforementioned first partition wall, and the aforementioned first rib is provided in the aforementioned first partition wall; the aforementioned first partition wall includes first sidewalls exposed in the aforementioned first notch and located on both sides of the aforementioned first notch; the aforementioned first rib is provided with first sidewall surfaces located on both sides thereon; the aforementioned first sidewall surfaces are in close contact with the aforementioned first sidewalls. The electrical connector as claimed in claim 1, wherein the aforementioned first rib is electroplated. The electrical connector as claimed in claim 1, wherein: the first conductive terminals of the aforementioned first terminal module are two, namely a first signal terminal and a second signal terminal, and the aforementioned first terminal module includes a first retaining block fixed on the second fixing part of the aforementioned first signal terminal and the second fixing part of the aforementioned second signal terminal; the aforementioned first retaining block is received in the aforementioned first receiving groove, such that the second fixing part of the aforementioned first signal terminal and the second fixing part of the aforementioned second signal terminal are mounted in the aforementioned first receiving groove so as not to contact the aforementioned mounting block. The electrical connector as claimed in claim 1, wherein: the housing is provided with a plurality of second terminal module mounting slots extending along the first direction and a second partition wall separating adjacent second terminal module mounting slots; the electrical connector includes second terminal modules, the second terminal modules being at least partially housed in the second terminal module mounting slots, the second terminal modules including second conductive terminals, the second conductive terminals including a third fixing portion, a second contact arm connected to one end of the third fixing portion, and a fourth fixing portion connected to the other end of the third fixing portion; the mounting block includes a plurality of second receiving slots penetrating the base and a second partition wall separating adjacent second receiving slots; the third fixing portion is at least partially located in the second terminal module mounting slot, the fourth fixing portion is at least partially located in the second receiving slot, and the second contact arm includes a second contact portion protruding into the receiving slot; The aforementioned second partition wall and the aforementioned second inter-partition wall are provided with a second protruding rib and a second recess that cooperate with each other, wherein the aforementioned second protruding rib is engaged in the aforementioned second recess. The electrical connector as claimed in claim 5, wherein: the aforementioned second recess is provided in the aforementioned second partition wall, and the aforementioned second rib is provided in the aforementioned second partition wall; the aforementioned second partition wall includes second sidewalls exposed in the aforementioned second recess and located on both sides of the aforementioned second recess; the aforementioned second rib is provided with second sidewall surfaces located on both sides thereon; the aforementioned second sidewall surfaces are in close contact with the aforementioned second sidewalls. The electrical connector as described in claim 5, wherein the aforementioned second rib is electroplated. The electrical connector as described in claim 5, wherein: the second conductive terminals of the aforementioned second terminal module are two, namely a third signal terminal and a fourth signal terminal, and the aforementioned second terminal module includes a second retaining block fixed on the fourth fixing part of the aforementioned third signal terminal and the fourth fixing part of the aforementioned fourth signal terminal; the aforementioned second retaining block is received in the aforementioned second receiving groove, such that the fourth fixing part of the aforementioned third signal terminal and the fourth fixing part of the aforementioned fourth signal terminal are mounted in the aforementioned second receiving groove so as not to contact the aforementioned mounting block. The electrical connector as described in claim 5, wherein: the aforementioned housing includes a first conductive housing and a second conductive housing, the aforementioned receiving slot is formed by the aforementioned first conductive housing and the aforementioned second conductive housing, the aforementioned first terminal module mounting slot and the aforementioned first partition wall are disposed in the aforementioned first conductive housing, and the aforementioned second terminal module mounting slot and the aforementioned second partition wall are disposed in the aforementioned second conductive housing. The electrical connector as claimed in claim 1, wherein: the aforementioned housing is a conductive housing; the aforementioned first fixing part is mounted in the aforementioned first terminal module mounting slot, so that the aforementioned first fixing part does not contact the aforementioned conductive housing; wherein, the aforementioned conductive housing is a metal housing; or the aforementioned conductive housing is a composite housing formed by electroplating metal material onto insulating material.