CN211062977U - Electric connector with high interference prevention function - Google Patents
Electric connector with high interference prevention function Download PDFInfo
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- CN211062977U CN211062977U CN201922223173.0U CN201922223173U CN211062977U CN 211062977 U CN211062977 U CN 211062977U CN 201922223173 U CN201922223173 U CN 201922223173U CN 211062977 U CN211062977 U CN 211062977U
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Abstract
The utility model discloses an electric connector with high anti-interference function, which comprises a plastic body and two groups of terminal groups, wherein each terminal group is respectively provided with a plurality of signal terminals and a plurality of grounding terminals which are vertical and are arranged side by side along the left and right directions, and a plurality of grounding pieces are all arranged in the plastic body and are respectively arranged at the front side and the rear side of the bottoms of the two groups of terminal groups; the two groups of separating assemblies are respectively provided with a plurality of first spacer blocks and a plurality of second spacer blocks, the first spacer blocks are respectively abutted on the front sides of the bottoms of the plurality of grounding terminals in the terminal group and are simultaneously contacted with the grounding sheets positioned on the front sides of the terminal group, and the second spacer blocks are respectively abutted on the rear sides of the bottoms of the plurality of grounding terminals in the terminal group and are simultaneously contacted with the grounding sheets positioned on the rear sides of the terminal group; every two adjacent spacers, two grounding terminals and two grounding sheets jointly enclose a shielding separation cavity; a plurality of signal terminals in a terminal set are correspondingly arranged in the shielding compartments. Therefore, the electric connector effectively improves the shielding effect.
Description
Technical Field
The utility model relates to a connector technical field specifically provides an electric connector with high jam-proof function.
Background
In high-speed digital circuits, one of the important reasons that affect the accuracy of the transmitted signal is crosstalk. The crosstalk phenomenon is a phenomenon in which adjacent lines are delayed from each other in signal reception due to interference caused by electromagnetic coupling, and particularly, when the signal transmission directions of the two lines are the same, serious crosstalk interference is caused. In order to avoid the crosstalk, manufacturers commonly add a ground line between the interfering lines to provide signal protection and prevent the undesired crosstalk.
However, in the electrical connector structure, since the shielding function of the ground terminal is relatively limited, the signal terminals cannot be effectively isolated, and crosstalk interference still occurs between the signal terminals, so that the integrity of signals is affected, signal delay is caused, the correctness of signal transmission of the electrical connector is reduced, and the high-frequency transmission requirement of the high-speed signal terminals cannot be met.
In view of this, the present invention is especially provided.
Disclosure of Invention
In order to overcome the defects, the utility model provides an electric connector with high jam-proof function, it can improve the crosstalk interference problem between the signal terminal effectively, fine improvement electric connector's shielding effect, improved electric connector transmission signal's integrality, exactness and transmission efficiency, can satisfy the high frequency transmission requirement of high-speed signal terminal.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: an electric connector with a high anti-interference function comprises a plastic body and two groups of terminal groups, wherein each terminal group is respectively provided with a plurality of signal terminals and a plurality of grounding terminals, the installation state of the electric connector fixed on a circuit board is taken as a reference, the signal terminals and the grounding terminals are vertically arranged, the signal terminals and the grounding terminals are also arranged side by side along the left and right direction according to the design requirement and are combined with the plastic body into a whole, and meanwhile, the two groups of terminal groups are also arranged in parallel front and back; in addition, a plurality of grounding sheets are arranged on the plastic body; the plurality of grounding pieces are arranged in the plastic body and are respectively and correspondingly arranged on the front side and the rear side of the bottoms of the two terminal groups;
the two groups of separating assemblies are correspondingly matched with the two groups of terminal groups one by one, each separating assembly is provided with a plurality of separating sheets made of conducting materials respectively, each separating sheet is provided with a first separating sheet block and a second separating sheet block, the first separating sheet blocks are abutted to the front sides of the bottoms of the grounding terminals in one terminal group in a one-to-one corresponding mode respectively, meanwhile, the front sides of the first separating sheet blocks are also contacted with the grounding sheet positioned on the front side of one terminal group respectively, the second separating sheet blocks are abutted to the rear sides of the bottoms of the grounding terminals in one terminal group in a one-to-one corresponding mode respectively, and meanwhile, the rear sides of the second separating sheet blocks are also contacted with the grounding sheet positioned on the rear side of one terminal group respectively; therefore, every two adjacent spacers and the two matched grounding terminals and grounding sheets jointly enclose a shielding compartment; meanwhile, a plurality of signal terminals in one terminal group are correspondingly arranged in the shielding separation cavities which are sequentially arranged at intervals along the left-right direction.
As a further improvement of the utility model, the number of the grounding pieces is four, and the grounding pieces are respectively a long strip-shaped sheet structure extending along the left and right directions; dividing the four grounding strips into two groups, wherein two grounding strips in one group are respectively arranged beside the front side and the rear side of the bottom of one terminal group and are respectively correspondingly contacted with the front sides of a plurality of first partition pieces and the rear sides of a plurality of second partition pieces in one partition assembly; the two grounding pieces in the other group are respectively arranged beside the front side and the rear side of the bottom of the other terminal group and are respectively correspondingly contacted with the front sides of the first spacer pieces and the rear sides of the second spacer pieces in the other separating assembly;
correspondingly, the rear sides of the first spacer blocks in one of the partition assemblies respectively and correspondingly abut against the front sides of the bottoms of the ground terminals in one of the terminal groups, and the front sides of the second spacer blocks in one of the partition assemblies respectively and correspondingly abut against the rear sides of the bottoms of the ground terminals in one of the terminal groups.
As a further improvement of the present invention, each of the grounding strips has a strip body extending in the left-right direction;
the two adjacent strip main bodies which belong to different groups are also oppositely provided with a plurality of abutting parts.
As a further improvement of the present invention, a plurality of the abutting portions located on the same strip main body are arranged at intervals in the left-right direction;
and the plurality of abutting parts on the two strip main bodies are distributed in a staggered manner.
The utility model has the advantages that: the utility model discloses an utilize a plurality of ground lugs, two sets of subassembly of separating, and electric connector self's ground terminal to enclose jointly and enclose into a plurality of shielding that follow left right direction interval arrangement in proper order and separate the chamber to correspond a plurality of signal terminals with electric connector and set up in a plurality of shielding and separate the chamber, like this alright make a plurality of signal terminals can be shielded and separate the chamber around forming the electromagnetic shield, alright improve the crosstalk interference problem between the signal terminal effectively, thereby fine improvement electric connector's shielding effect has improved electric connector transmission signal's integrality, exactness and transmission efficiency can satisfy high-frequency transmission requirement of high-speed signal terminal.
Drawings
Fig. 1 is a schematic perspective view of an electrical connector according to the present invention;
fig. 2 is a schematic top view of the electrical connector of the present invention;
FIG. 3 is a front-rear cross-sectional view of the Y-section shown in FIG. 2;
fig. 4 is a schematic view illustrating the interference prevention principle of the electrical connector of the present invention;
FIG. 5 is a partial structural view of the section B-B shown in FIG. 2;
fig. 6 is an exploded view of the electrical connector of the present invention;
fig. 7 is a schematic structural view of the grounding plate of the present invention.
The following description is made with reference to the accompanying drawings:
1-plastic body; 20-signal terminal;
21-ground terminal; 30-grounding piece;
300-sliver body; 301-an abutting portion;
31-spacer; 311-first spacer Block;
312-second spacer block.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and the present invention is not limited to the embodiments described in the present application.
It should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relation or adjustment of the size should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the function and the achievable purpose of the present invention. The terms "first" and "second" used herein are used for convenience of description and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Example 1:
referring to fig. 1 to fig. 6, a schematic diagram of a three-dimensional structure, a schematic diagram of a top view structure, a schematic diagram of a cross-sectional structure of the Y portion in front and back, a schematic diagram of an anti-interference principle, a schematic diagram of a partial structure of the B-B cross-section, and an exploded schematic diagram of the electrical connector according to the present invention are shown.
The electric connector of the utility model comprises a plastic body 1 and two groups of terminal groups, each of the terminal groups is respectively provided with a plurality of signal terminals 20 and a plurality of grounding terminals 21, and the installation state of the electric connector fixed on a circuit board is taken as the benchmark (namely, the plastic body 1 in the electric connector is vertically fixed on the circuit board), a plurality of the signal terminals 20 and a plurality of the grounding terminals 21 are all vertically placed, and a plurality of the signal terminals 20 and a plurality of the grounding terminals 21 are also combined with the plastic body 1 into a whole in parallel arrangement along the left and right directions according to the design requirement, and simultaneously, two groups of the terminal groups are also arranged in parallel front and back; in addition, a plurality of grounding pieces 30 are arranged on the plastic body 1; particularly, the plurality of grounding pieces 30 are all arranged in the plastic body 1 and are respectively and correspondingly arranged at the front side and the rear side of the bottoms of the two terminal groups;
two groups of separating components are arranged and are correspondingly matched with the two groups of terminal groups one by one, each separating component is provided with a plurality of separating sheets 31 respectively made of conductive materials (metal conductive materials or conductive plastic materials), and a plurality of the spacers 31 each have a first spacer piece 311 and a second spacer piece 312, wherein the first spacer blocks 311 are respectively abutted against the front sides of the bottoms of the ground terminals 21 in one terminal set in a one-to-one correspondence, and the front sides of the first spacer pieces 311 are respectively contacted with the grounding plate 30 positioned at the front side of one terminal set, the second spacer pieces 312 are correspondingly abutted against the rear sides of the bottoms of the grounding terminals 21 in one terminal set, meanwhile, the rear sides of the second spacer pieces 312 are also respectively contacted with the grounding plate 30 positioned at the rear side of one terminal group; therefore, every two adjacent spacers 31 and the two ground terminals 21 and the ground blades 30 which are matched with the adjacent spacers jointly enclose a shielding compartment; meanwhile, a plurality of signal terminals 20 in the terminal group are correspondingly arranged in the shielding separation cavities arranged along the left-right direction at intervals in sequence, that is, a plurality of signal terminals can be surrounded by the shielding separation cavities to form electromagnetic shielding, so that the problem of crosstalk interference between the signal terminals can be effectively solved, and the shielding effect of the electric connector is well improved.
In this embodiment, it is preferable that the grounding plates 30 are four (but not limited to four), and each grounding plate is a long plate-shaped structure extending in the left-right direction; dividing the four grounding strips 30 into two groups, wherein two grounding strips 30 in one group are respectively arranged beside the front side and the rear side of the bottom of one terminal group and are respectively correspondingly contacted with the front sides of a plurality of first spacer blocks 311 and the rear sides of a plurality of second spacer blocks 312 in one separating assembly; the two grounding strips 30 in the other group are respectively arranged beside the front side and the rear side of the bottom of the other terminal group and are respectively correspondingly contacted with the front sides of the first spacing pieces 311 and the rear sides of the second spacing pieces 312 in the other separating assembly;
accordingly, the rear sides of the first spacer blocks 311 in one of the partition assemblies respectively abut against the front sides of the bottoms of the ground terminals 21 in one of the terminal sets, and the front sides of the second spacer blocks 312 in one of the partition assemblies respectively abut against the rear sides of the bottoms of the ground terminals 21 in one of the terminal sets.
Further preferably, each of the grounding strips 30 has a strip body 300 extending in the left-right direction, and a plurality of abutting portions 301 are oppositely disposed on two adjacent strip bodies 300 belonging to different groups, as shown in fig. 7; in this way, when assembled, the plurality of abutting portions 301 on one strip body 300 abut on the other strip body 300, and the overall stability of the electrical connector can be enhanced.
Still more preferably, a plurality of the abutting portions 301 on the same strip main body 300 are arranged at intervals in the left-right direction; the abutting portions 301 of the two strip bodies 300 are arranged in a staggered manner.
In addition, when the electrical connector provided by the embodiment is assembled, the assembly method is as follows: when the electric connector is assembled, firstly, a plastic molding process is utilized to manufacture the plastic body 1, and a plurality of mounting hole grooves which are arranged according to design requirements are molded on the plastic body 1; then, the two terminal sets, the plurality of grounding plates 30 and the two separating assemblies are correspondingly inserted into the plurality of mounting hole slots according to the assembly sequence, and the electric connector is manufactured.
To sum up, the utility model discloses an utilize a plurality of ground lugs, two sets of partition subassembly, and the ground terminal of electric connector self to enclose jointly and enclose into a plurality of shielding that follow left right direction interval arrangement in proper order and separate the chamber to correspond a plurality of signal terminal with electric connector and set up in a plurality of shielding and separate the chamber, like this alright make a plurality of signal terminal can be shielded and separate the chamber around forming the electromagnetic shield, alright improve the crosstalk interference problem between the signal terminal effectively, thereby fine improvement electric connector's shielding effect has improved electric connector transmission signal's integrality, exactness and transmission efficiency can satisfy high-speed signal terminal's high frequency transmission requirement.
The above description is only a preferred embodiment of the present invention, but not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as within the protection scope of the present invention.
Claims (4)
1. An electric connector with a high interference prevention function comprises a plastic body (1) and two groups of terminal groups, wherein each terminal group is provided with a plurality of signal terminals (20) and a plurality of grounding terminals (21), the installation state of the electric connector fixed on a circuit board is taken as a reference, the signal terminals (20) and the grounding terminals (21) are vertically arranged, the signal terminals (20) and the grounding terminals (21) are combined with the plastic body (1) into a whole in a side-by-side arrangement along the left-right direction according to design requirements, and meanwhile, the two groups of terminal groups are arranged in a front-back parallel manner; in addition, a plurality of grounding sheets (30) are arranged on the plastic body (1); the method is characterized in that: the plurality of grounding pieces (30) are arranged in the plastic body (1) and are respectively and correspondingly arranged on the front side and the rear side of the bottoms of the two terminal groups;
two groups of separating components are arranged and are correspondingly matched with the two groups of terminal groups one by one, each separating component is provided with a plurality of separating pieces (31) respectively made of conductive materials, and a plurality of spacers (31) each having a first spacer block (311) and a second spacer block (312), wherein the first spacer blocks (311) are respectively abutted against the front sides of the bottoms of the ground terminals (21) in the terminal group in a one-to-one correspondence manner, and the front sides of the first spacer blocks (311) are respectively contacted with the grounding plate (30) positioned at the front side of the terminal group, the second spacer blocks (312) are respectively butted against the rear sides of the bottoms of the grounding terminals (21) in the terminal group in a one-to-one correspondence manner, and simultaneously, the rear sides of a plurality of second spacer blocks (312) are respectively contacted with the grounding plate (30) positioned at the rear side of one terminal group; thereby, every two adjacent spacers (31) and the two ground terminals (21) and the ground sheets (30) which are matched with the adjacent spacers jointly enclose a shielding compartment; meanwhile, a plurality of signal terminals (20) in one terminal group are correspondingly arranged in the shielding separation cavities which are sequentially arranged at intervals along the left-right direction.
2. The electrical connector with high interference prevention function according to claim 1, wherein: the number of the grounding plates (30) is four, and the four grounding plates are respectively of a long strip-shaped plate structure extending along the left-right direction; dividing the four grounding strips (30) into two groups, wherein two grounding strips (30) in one group are respectively arranged beside the front side and the rear side of the bottom of one terminal group and are respectively correspondingly contacted with the front sides of a plurality of first separating strips (311) and the rear sides of a plurality of second separating strips (312) in one separating component; the two grounding plates (30) in the other group are respectively arranged beside the front side and the rear side of the bottom of the other terminal group and are respectively correspondingly contacted with the front sides of a plurality of first partition blocks (311) and the rear sides of a plurality of second partition blocks (312) in the other partition assembly;
correspondingly, the back sides of a plurality of first spacer blocks (311) in one separating assembly are respectively correspondingly abutted with the front sides of the bottoms of a plurality of grounding terminals (21) in one terminal group, and the front sides of a plurality of second spacer blocks (312) in one separating assembly are respectively abutted with the back sides of the bottoms of a plurality of grounding terminals (21) in one terminal group.
3. The electrical connector with high interference prevention function according to claim 2, wherein: each of the grounding plates (30) is provided with a strip plate main body (300) extending along the left-right direction;
the two adjacent strip main bodies (300) which belong to different groups are also oppositely provided with a plurality of abutting parts (301).
4. The electrical connector with high interference prevention function according to claim 3, wherein: a plurality of the abutting portions (301) on the same strip main body (300) are arranged at intervals in the left-right direction;
and the plurality of abutting parts (301) on the two strip main bodies (300) are distributed in a staggered manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922223173.0U CN211062977U (en) | 2019-12-12 | 2019-12-12 | Electric connector with high interference prevention function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922223173.0U CN211062977U (en) | 2019-12-12 | 2019-12-12 | Electric connector with high interference prevention function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211062977U true CN211062977U (en) | 2020-07-21 |
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ID=71595587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922223173.0U Active CN211062977U (en) | 2019-12-12 | 2019-12-12 | Electric connector with high interference prevention function |
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| Country | Link |
|---|---|
| CN (1) | CN211062977U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220118192A (en) * | 2021-02-18 | 2022-08-25 | 주식회사 신화콘텍 | Plug Connector Assembly |
-
2019
- 2019-12-12 CN CN201922223173.0U patent/CN211062977U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220118192A (en) * | 2021-02-18 | 2022-08-25 | 주식회사 신화콘텍 | Plug Connector Assembly |
| KR102531726B1 (en) * | 2021-02-18 | 2023-05-12 | 주식회사 신화콘텍 | Plug Connector Assembly |
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