TWM611808U - Electrical connector - Google Patents

Abstract

The application discloses an electrical connector, which includes an insulating housing, a first terminal assembly, a second terminal assembly, and an insulating wave absorbing member. The insulating housing has a housing groove; the first terminal assembly and the second terminal assembly are arranged in the housing In the groove, the first terminal assembly is located on one side of the second terminal assembly. The first terminal assembly and the second terminal assembly respectively include a plurality of ground terminals and a plurality of signal terminals; and an insulating wave absorbing member, which is arranged on the first terminal assembly and the second terminal assembly. Between the terminal components, the insulating wave absorbing member is connected to a plurality of grounding terminals. The installation of the insulation absorber can effectively absorb the noise generated by the electrical connector during the signal transmission process, improve the integrity of the electrical connector's signal transmission, and avoid the problems caused by the use of the electromagnetic shielding element made of metal.

Description

Electrical connector

This application relates to the technical field of connectors, and in particular to an electrical connector.

At present, the requirements for the transmission efficiency and performance of the connector have been greatly improved. The connector needs to have high transmission efficiency and good transmission performance. However, the plural signal terminals of the connector often crosstalk each other during the signal transmission process. At present, the connector Electromagnetic shielding parts are assembled in the electromagnetic shielding parts. The material of the electromagnetic shielding parts is metal. The electromagnetic shielding parts made of metal materials are likely to reflect electromagnetic waves twice, resulting in the problem of crosstalk between the plural signal terminals during the signal transmission process. At the same time, they are made of metal. The manufacturing process of the electromagnetic shielding element made of material is complicated, resulting in a substantial increase in the manufacturing cost of the electromagnetic shielding element made of metal.

The embodiment of the present application provides an electrical connector, which solves the problem that the current electromagnetic shielding member assembled in the connector is made of metal material and is prone to secondary reflection, which causes the connector to still have crosstalk in the signal transmission process.

In order to solve the above technical problems, this application is implemented as follows:

An electrical connector is provided, which includes: an insulating housing with a accommodating groove; a first terminal assembly arranged in the accommodating groove; a second terminal assembly arranged in the accommodating groove, and the first terminal assembly is located in the second On one side of the terminal assembly, the first terminal assembly and the second terminal assembly respectively include a plurality of ground terminals and a plurality of signal terminals; and an insulating wave absorbing member, which is arranged between the first terminal assembly and the second terminal assembly, and the insulating wave absorbing member and Connect multiple ground terminals.

In the embodiment of the present application, the installation of the insulation absorber can effectively absorb the noise generated by the electrical connector during the signal transmission process, improve the integrity of the electrical connector transmission signal, and avoid the use of metal electromagnetic shielding elements. The problem that arises.

The technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of them. Based on the embodiments in this application, all other embodiments obtained by a person of ordinary skill in the art without creative work shall fall within the protection scope of this application.

Please refer to Figures 1, 2 and 3, which are a perspective view and an exploded view of an electrical connector according to an embodiment of the present application; as shown in the figure, the electrical connector 1 of this embodiment includes an insulating housing 10 and a first terminal assembly 11a, the second terminal assembly 11b and the insulating wave absorbing member 12. The insulating housing 10 has a receiving groove 101 extending along the first direction X, and two opposite surfaces of the insulating housing 10 in the first direction X respectively have an insertion opening 102 and an accommodating opening 103, the insertion opening 102 and The accommodating opening 103 communicates with the accommodating groove 101. The first terminal assembly 11a and the second terminal assembly 11b are oppositely disposed in the accommodating groove 101 along the first direction X. The first terminal assembly 11a and the second terminal assembly 11b respectively include a plurality of ground terminals 111 and a plurality of signal terminals 112, which are grounded. The terminals 111 and the plural signal terminals 112 are arranged at intervals along the second direction Y. There are two signal terminals 112 between two adjacent ground terminals 111. One end of the plural ground terminals 111 and the plural signal terminals 112 is close to the insertion opening 102. The other ends of the ground terminal 111 and the plurality of signal terminals 112 pass through the accommodating opening 103. The insulating wave absorbing member 12 is disposed between the first terminal assembly 11 a and the second terminal assembly 11 b, and the insulating wave absorbing member 12 is connected to a plurality of ground terminals 111. The connection referred to here means that the insulation absorber 12 is directly connected to the plural ground terminals 111, and the insulation absorber 12 does not contact the plural signal terminals 112; or the insulation absorber 12 is indirectly connected to the plural ground terminals 111, and the insulation absorber 12 is indirectly connected to the plural ground terminals 111. There is a distance between the wave element 12 and the plurality of ground terminals 111, and the distance between each ground terminal 111 and the insulating wave absorber 12 is smaller than the distance between each signal terminal 112 and the insulating wave absorber 12. When the electrical connector 1 of this embodiment is connected to the mating connector and performs signal transmission, the insulating wave absorbing member 12 can absorb the noise (such as resonance and crosstalk) generated by the electrical connector 1 during signal transmission, thereby enhancing the electrical connector 1 The integrity of the transmission signal. The insulating wave absorbing part 12 of this embodiment can be a silicon rubber wave absorbing material. The wave absorbing frequency of the insulating wave absorbing part 12 can be between 10 MHz and 6 GHz. The insulating wave absorbing part 12 has good absorbing characteristics in this range, and at the same time, it is insulated. The wave absorbing member 12 does not contain metal components (conductive particles), which can avoid electromagnetic interference or leakage caused by secondary reflection. The manufacturing of the insulating wave absorbing member 12 is simple. The electrical connector 1 of this embodiment uses the insulating wave absorbing member 12, which can effectively reduce the overall manufacturing cost.

Specifically, please refer to FIG. 4 together, which is a cross-sectional view along the line AA' in FIG. 1; as shown in the figure, the insulating wave absorbing member 12 is close to the first terminal assembly 11a and the second terminal assembly 11b and is in the third direction The two surfaces on Z respectively have plural convex portions 121 arranged at intervals. The first terminal assembly 11a and the second terminal assembly 11b respectively further include a terminal insulating body 113, and both ends of each ground terminal 111 respectively protrude from the terminal insulating body 113 on opposite sides in the first direction X. Similarly, Two ends of each signal terminal 112 respectively protrude from opposite sides of the terminal insulating body 113 in the first direction X. The terminal insulating body 113 has a hollow portion 1131, the hollow portion 1131 penetrates the terminal insulating body 113 along the third direction Z, and a part of the plural ground terminals 111 and the plural signal terminals 112 are exposed from the hollow portion 1131. In this embodiment, the number of hollow portions 1131 of each terminal insulating body 113 is plural. The plurality of convex portions 121 of the insulating wave absorbing member 12 extend into the corresponding hollow portion 1131, and are respectively connected to the plurality of ground terminals 111 exposed from the hollow portion 1131. The two signal terminals 112 between the two adjacent ground terminals 111 are connected to each other. The surface of the insulating wave absorbing member 12 between two adjacent protrusions 121 corresponds to each other. In this embodiment, each protrusion 121 is indirectly connected to the corresponding ground terminal 111, which also means that the end surface of each protrusion 121 in the third direction Z and the corresponding ground terminal 111 are in the third direction Z and are close to the protrusion. The distance D1 between the surfaces of 121 is smaller than the surface of the insulating absorber 12 in the third direction Z and between the two adjacent protrusions 121 and the corresponding signal terminal 112 is close to the insulating absorber in the third direction Z The distance D2 between the surfaces of the components 12, that is, each ground terminal 111 is closer to the insulating wave absorbing component 12 than each signal terminal 112 is. The plurality of protrusions 121 are respectively indirectly connected with the plurality of ground terminals 111 to form a plurality of absorption regions between the first terminal assembly 11a or the second terminal assembly 11b and the insulating wave absorber 12. Each absorption region has two signal terminals 112, In order to absorb the noise generated by the two signal terminals 112 in the absorption area during signal transmission, the problem of crosstalk between the plural signal terminals 112 is avoided. Of course, each protrusion 121 can be directly connected to the ground terminal 111.

In one embodiment, referring to FIGS. 2 and 3 again, the terminal insulating body 113 of the first terminal assembly 11a and the terminal insulating body 113 of the second terminal assembly 11b have surfaces close to the insulating wave absorbing member 12 respectively. Positioning notches 1132, the plurality of positioning notches 1132 communicate with the corresponding hollow portion 1131, and the plurality of positioning notches 1132 respectively correspond to the plurality of ground terminals 111. When the insulating wave absorbing member 12 is disposed between the first terminal assembly 11a and the second terminal assembly 11b, the plurality of protrusions 121 are respectively disposed in the plurality of positioning notches 1132 to ensure that the plurality of protrusions 121 are connected to the corresponding ground terminals 111.

In one embodiment, the terminal insulating body 113 of the first terminal assembly 11a has a first connecting post 1133a on the third direction Z and close to the surface of the insulating wave absorbing member 12, and the insulating wave absorbing member 12 is on the third direction Z. And the surface close to the first terminal assembly 11a has a first connection hole 122a. The terminal insulating body 113 of the second terminal assembly 11b further has a second connecting post 1133b on the third direction Z and close to the surface of the insulating wave absorbing member 12, and the insulating wave absorbing member 12 is on the third direction Z and is close to the second terminal assembly The surface of 11b has a second connection hole 122b. When the insulating wave absorbing member 12 is arranged between the first terminal assembly 11a and the second terminal assembly 11b, the first connecting post 1133a of the terminal insulating body 113 of the first terminal assembly 11a is arranged in the first connecting hole 122a, so that the first The terminal assembly 11a is connected to the insulating wave absorbing member 12; similarly, the second connecting post 1133b of the terminal insulating body 113 of the second terminal assembly 11b is disposed in the second connecting hole 122b, so that the second terminal assembly 11b and the insulating wave absorbing member 12 connection. The first connecting hole 122a and the second connecting hole 122b of this embodiment respectively penetrate the insulating wave absorbing member 12, of course, the first connecting hole 122a and the second connecting hole 122b may also be blind holes.

In one embodiment, the terminal insulating body 113 of the second terminal assembly 11b further has a first fixing hole 1134a on the surface of the third direction Z and close to the insulating wave absorbing member 12, the first fixing hole 1134a and the insulating wave absorbing member 12 The first connecting hole 122a corresponds to the first connection hole 122a; similarly, the terminal insulating body 113 of the first terminal assembly 11a has a second fixing hole 1134b on the surface of the third direction Z and close to the insulating wave absorbing member 12, and the second fixing hole 1134b and The second connecting hole 122b of the insulating wave absorbing member 12 corresponds to it. The first fixing hole 1134a and the second fixing hole 1134b of this embodiment are blind holes. When the insulating wave absorbing member 12 is arranged between the first terminal assembly 11a and the second terminal assembly 11b, the first connecting post 1133a of the terminal insulating body 113 of the first terminal assembly 11a passes through the first connecting hole 122a and is arranged in The first fixing hole 1134a of the terminal insulating body 113 of the second terminal assembly 11b, and the second connecting post 1133b of the terminal insulating body 113 of the second terminal assembly 11b pass through the second connecting hole 122b and are arranged in the first terminal assembly 11a. The second fixing hole 1134b of the terminal insulating body 113, so that the first terminal assembly 11a, the second terminal assembly 11b and the insulating wave absorbing member 12 are connected in series to ensure that the insulating wave absorbing member 12 is fixed to the first terminal assembly 11a and the second terminal assembly 11a and the second terminal assembly 11a. Between the terminal assembly 11b.

In one embodiment, referring to FIGS. 1, 2 and 4 again, the accommodating groove 101 of the insulating housing 10 has a first side wall 101a and a second side wall 101b opposite to each other in the third direction Z, and the first side wall 101a There is a guiding groove 1011 extending along the first direction X, and the surface of the terminal insulating body 113 of the first terminal assembly 11a close to the first side wall 101a has a guiding block 1135 extending along the first direction X. When the first terminal assembly 11a and the second terminal assembly 11b are arranged in the accommodating groove 101, the guiding block 1135 of the terminal insulating body 113 of the first terminal assembly 11a is arranged in the guiding groove 1011 to guide the first terminal assembly 11a The second terminal assembly 11b and the second terminal assembly 11b are disposed in the accommodating groove 101. In one embodiment, the second side wall 101b has a limiting hole 1012, and the surface of the terminal insulating body 113 of the second terminal assembly 11b close to the second side wall 101b has a limiting block 1136 extending along the first direction X (as shown in FIG. 3). Show). When the first terminal assembly 11a and the second terminal assembly 11b are arranged in the accommodating groove 101, the limiting block 1136 of the terminal insulating body 113 of the second terminal assembly 11b is arranged in the limiting hole 1012 to position the first terminal assembly 11a and The second terminal assembly 11b is disposed in the accommodating groove 101.

In an embodiment, the accommodating groove 101 of the insulating housing 10 has two third side walls 101c opposite to each other in the second direction Y, and each third side wall 101c is located between the first side wall 101a and the second side wall 101b , Each third side wall 101c has two first positioning grooves 1013 extending along the first direction X, and the terminal insulating body 113 of the first terminal assembly 11a and the terminal insulating body 113 of the second terminal assembly 11b are in the second direction Y The two opposite sides have positioning blocks 1137 respectively. When the first terminal assembly 11a and the second terminal assembly 11b are arranged in the accommodating groove 101, the two positioning blocks 1137 of the terminal insulating body 113 of the first terminal assembly 11a and the second terminal assembly The two positioning blocks 1137 of the terminal insulating body 113 of 11b are respectively disposed in the corresponding first positioning groove 1013 to position the positions of the first terminal assembly 11a and the second terminal assembly 11b in the accommodating groove 101.

In an embodiment, the electrical connector 1 further includes a terminal fixing member 14 which is disposed on the plurality of ground terminals 111 and the plurality of signal terminals 112 of the first terminal assembly 11a. The terminal fixing member 14 has two positioning posts 141 extending along the first direction X on the side close to the second terminal assembly 11b, and the plural ground terminals 111 and the plural signal terminals 112 of the second terminal assembly 11b are located between the two positioning posts 141 . Each third side wall 101c also has a second positioning groove 1014 extending along the first direction X. When the first terminal assembly 11a and the second terminal assembly 11b are disposed in the insulating housing 10, the two positioning posts of the terminal fixing member 14 141 are respectively disposed in the corresponding second positioning groove 1014, and the plurality of ground terminals 111 and the plurality of signal terminals 112 of the second terminal assembly 11b passing through the accommodating opening 103 are positioned on the surface of the insulating housing 10 with the accommodating opening 103. The surface of the insulating housing 10 with the accommodating opening 103 has a plurality of spacing bumps 105, the spacing bumps 105 are arranged at intervals along the second direction Y, and the plurality of spacing bumps 105 are respectively located at the plurality of ground terminals 111 and the plurality of signal signals of the second terminal assembly 11b Between the terminals 112, that is, the spacing bump 105 is located between the adjacent ground terminal 111 and the signal terminal 112 or between two adjacent signal terminals 112.

In summary, the present application provides an electrical connector, which can effectively absorb the noise generated by the electrical connector during the signal transmission process through the arrangement of the insulating wave absorber, thereby improving the integrity of the electrical connector transmission signal, and avoiding the use of metal The problem caused by the electromagnetic shielding material of the material. In addition, the insulating wave absorber encloses a complex absorption area with the plurality of grounding terminals through the arrangement of the plurality of convex parts, and the complex absorption area separates the plurality of signal terminals to avoid crosstalk between the plurality of signal terminals during signal transmission.

It should be noted that in this article, the terms "include", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, It also includes other elements not explicitly listed, or elements inherent to the process, method, article, or device. If there are no more restrictions, the element defined by the sentence "including a..." does not exclude the existence of other identical elements in the process, method, article, or device that includes the element.

The embodiments of the application are described above with reference to the accompanying drawings, but the application is not limited to the above-mentioned specific embodiments. The above-mentioned specific embodiments are only illustrative and not restrictive. Those of ordinary skill in the art are Under the enlightenment of this application, without departing from the purpose of this application and the scope of protection of the claims, many forms can be made, all of which fall within the protection of this application.

1: Electrical connector 10: Insulating shell 101: accommodating slot 101a: first side wall 101b: second side wall 101c: third side wall 1011: guide slot 1012: limit hole 1013: The first positioning slot 1014: second positioning slot 102: plug opening 103: accommodating opening 105: Spacer bump 11a: The first terminal assembly 11b: second terminal assembly 111: Ground terminal 112: Signal terminal 113: terminal insulation body 1131: Hollow 1132: positioning gap 1133a: The first connecting column 1133b: The second connecting column 1134a: The first fixing hole 1134b: second fixing hole 1135: guide block 1136: limit block 1137: positioning block 12: Insulation absorber 121: Convex 122a: The first connection hole 122b: second connecting hole 14: Terminal fixture 141: Positioning column X: first direction Y: second direction Z: Third party D1: distance D2: distance

The drawings described here are used to provide a further understanding of the application and constitute a part of the application. The exemplary embodiments and descriptions of the application are used to explain the application, and do not constitute an improper limitation of the application. In the attached picture: Figure 1 is a perspective view of an electrical connector according to an embodiment of the present application; Figure 2 is an exploded view of the electrical connector of an embodiment of the present application; Figure 3 is another exploded view of the electrical connector of an embodiment of the present application; and Fig. 4 is a cross-sectional view taken along the line A-A' in Fig. 1.

1: Electrical connector

10: Insulating shell

1011: guide slot

1014: second positioning slot

103: accommodating opening

11a: The first terminal assembly

111: Ground terminal

112: Signal terminal

113: terminal insulation body

1135: guide block

12: Insulation absorber

14: Terminal fixture

141: Positioning column

X: first direction

Y: second direction

Z: Third party

Claims (10)

An electrical connector, including: An insulating shell with a containing groove; A first terminal assembly arranged in the accommodating groove; A second terminal assembly disposed in the accommodating groove, the first terminal assembly is located on one side of the second terminal assembly, the first terminal assembly and the second terminal assembly respectively include a plurality of ground terminals and a plurality of signal terminals; as well as An insulating wave absorbing part is arranged between the first terminal assembly and the second terminal assembly, and the insulating wave absorbing part is connected with the ground terminals. The electrical connector according to claim 1, wherein the two surfaces of the insulating wave-absorbing member close to the first terminal assembly and the second terminal assembly have a plurality of convex parts arranged at intervals, and the convex parts are connected to the ground The terminals are connected, and the surface of the insulating wave absorbing member located between the protrusions corresponds to the signal terminals. The electrical connector according to claim 2, wherein the distance between the end faces of the protrusions and the ground terminals is smaller than the distance between the surface of the insulating wave-absorbing member and the signal terminals located between the protrusions The protrusions are directly connected to the ground terminals respectively. The electrical connector according to claim 2, wherein the first terminal assembly and the second terminal assembly respectively include a terminal insulating body, the terminal insulating body is disposed on the ground terminals and the signal terminals, and the terminal insulating body There is a hollow part, part of the ground terminals and the signal terminals are exposed from the hollow part, and the convex parts extend into the hollow part and are respectively connected with the ground terminals exposed from the hollow part. The electrical connector according to claim 4, wherein the surface of the terminal insulating body close to the insulating wave-absorbing member further has a plurality of positioning notches, the positioning notches are communicated with the hollow part, and the convex parts are respectively arranged at the positioning gap. The electrical connector according to claim 4, wherein the surface of the terminal insulating body of the first terminal assembly close to the insulating wave absorbing member further has a first connecting post, and the insulating wave absorbing member is close to the surface of the first terminal assembly The surface has a first connecting hole, and the first connecting post is arranged in the first connecting hole; the surface of the terminal insulating body of the second terminal assembly close to the insulating wave-absorbing member also has a second connecting post, the insulating absorber The surface of the wave element close to the second terminal assembly has a second connection hole, and the second connection post is disposed in the second connection hole. The electrical connector according to claim 6, wherein the surface of the terminal insulating body of the second terminal assembly close to the insulating wave-absorbing member further has a first fixing hole, and the first fixing hole corresponds to the first connecting hole The first connecting column passes through the first connecting hole and is disposed in the first fixing hole; the surface of the terminal insulating body of the first terminal assembly close to the insulating wave-absorbing member further has a second fixing hole, the first Two fixing holes correspond to the second connecting hole, and the second connecting column passes through the second connecting hole and is disposed in the second fixing hole. The electrical connector according to claim 1, wherein the side wall of the accommodating groove has a guide groove and a limiting hole, the first terminal assembly and the second terminal assembly respectively include a terminal insulating body, and the terminal is insulated The body is disposed on the ground terminals and the signal terminals, the terminal insulating body of the first terminal assembly has a guide block, the guide block is disposed in the guide groove, and the terminal insulating body of the second terminal assembly There is a limit block, and the limit block is arranged in the limit hole. The electrical connector according to claim 1, wherein the two opposite side walls of the accommodating groove respectively have two first positioning grooves, the first terminal assembly and the second terminal assembly each include a terminal insulating body, and the terminal The insulating body is arranged on the grounding terminals and the signal terminals, and two opposite sides of the terminal insulating body are respectively provided with a positioning block, and the positioning block is arranged in one of the two first positioning grooves. The electrical connector according to claim 9, which further includes a terminal fixing member disposed on the ground terminals and the signal terminals of the first terminal assembly, and the terminal fixing member positions the second terminal assembly The ground terminals and a plurality of signal terminals of the second terminal assembly are located on the insulating housing; the terminal fixing member has two opposite positioning posts, and the ground terminals and the signal terminals of the second terminal assembly are located between the two positioning posts Meanwhile, the side wall of the accommodating groove has two opposing second positioning grooves, and the two positioning posts are respectively arranged in the two second positioning grooves; the surface of the insulating housing close to the terminal fixing member has a plurality of spaces arranged at intervals The spacing protrusions are located between the ground terminals and the signal terminals of the second terminal assembly.

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