CN210489920U - Three-dimensional shielding high-speed transmission electric connector constructed by sheet components - Google Patents
Three-dimensional shielding high-speed transmission electric connector constructed by sheet components Download PDFInfo
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- CN210489920U CN210489920U CN201921452144.5U CN201921452144U CN210489920U CN 210489920 U CN210489920 U CN 210489920U CN 201921452144 U CN201921452144 U CN 201921452144U CN 210489920 U CN210489920 U CN 210489920U
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Abstract
The utility model discloses a three-dimensional shielding high-speed transmission electric connector constructed by sheet components, the elastic structure and the elongated receiving body are made in the shielding body, the elastic body is in a shape of a Chinese character 'B', the two structures on the shielding body in the adjacent wafer body are just positioned in an exchange position, so that staggered shielding contact is directly realized in the adjacent wafers, on the fixation of the sheet body, a flat step is made on one side of the sheet body for supporting the sheet body, a thin prism-shaped structure with certain elasticity is made in the wall body of the shell body, the free end of the prism-shaped elastic body is acted with the flat step during the fixation, the opposite flat end of the flat step is contacted with the plane on the same side of the free end of the elastic body, therefore, the connection of mutual shielding at the thin sheet level is realized, and the shielding body is connected with the ground, so that the three-dimensional shielding effect is realized, and the adverse effect of the mutual action of fields in differential signal transmission is isolated.
Description
Technical Field
The utility model relates to an electron and communication field, in particular to three-dimensional shielding high speed transmission electric connector who founds by thin slice subassembly.
Background
In connector systems, particularly high-speed signal transmission systems, EMC, EMI, crosstalk and other parameters are of great importance, and optimization of these parameters is to be achieved.
The contact mode of the existing structure is complex, the contact is difficult to control, namely, the L-shaped bend is made on the matching interface in the shielding body to contact with the adjacent shielding body, the mode influences the assembly and reliability of the interface to a certain extent, and because the contact is approximate to rigid contact, the ideal effect is difficult to achieve.
While a good fixation of the wafer in the housing is decisive for a good butt-stable contact of the device. The existing structure fixing utilizes certain elasticity of a wall of a shell as a working element, and the wall is thick, so that the elastic deformation degree is small, the structure serving as a buckling function in a thin sheet body is limited to be small, namely, the acting surface is small, and the thin sheet body is easy to fall off from the shell. The elastic body with a small-size structure is manufactured in the shell, the work is carried out by utilizing the elasticity of plastic, and the deformation degree can be relatively large due to the small size, namely, a large action area can be manufactured, so that the reliability of fixation is ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a three-dimensional shielding high-speed transmission electric connector who founds by the thin slice subassembly makes the connection that elastic construction realized the mutual shielding of thin slice rank on the shielding body to the shielding body is connected with ground connection again, thereby has realized the three-dimensional shielding effect, reaches to keep apart among the differential signal transmission, the interact's of field harmful effects.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a three-dimensional shielding high-speed transmission electric connector constructed by sheet components comprises a sheet body, a shielding body, a female end circuit board and a female end shell for supporting the sheet body.
The female end shell is provided with grounding holes and signal holes in an array manner on the side face opposite to the signal terminal pair and the grounding terminal, the grounding holes and the signal holes in the same row are alternately arranged, plastic rectangular columns are arranged between the adjacent grounding holes, and the wafer is inserted and connected with the spacing holes in an L-shaped design through spacing pieces and is connected with the spacing holes in an extrusion manner to realize spacing fixation of each wafer;
each thin sheet is provided with a through groove A communicated with an adjacent thin sheet, one side of each through groove A is provided with a through groove B, the through grooves A and the through grooves B on two adjacent thin sheets are staggered to realize that the through groove A of one thin sheet is communicated with the through groove B of the adjacent thin sheet, and each shielding body is respectively provided with a Z-shaped elastic structure and a slender bearing body at the position opposite to the adjacent through groove A and the adjacent through groove B to realize that the Z-shaped elastic structure penetrates through the through groove A to be abutted against the slender bearing body in the opposite through groove B;
female end casing with the slice body is connected through the semi-enclosed formula that cup joints in upper and lower both ends, every slice body is provided with the plastic step at the upper and lower both ends symmetry that is located female end casing one side, the plastic step is the setting of L type, and its right angle face sets up female end casing back to, the embedded groove that is used for the vertical end embedding of plastic step is all offered at the position relative with every plastic step to female end casing, be provided with in the embedded groove with the relative elastomer of the horizontal end of plastic step, and the horizontal end of elastomer towards the plastic step is crooked.
According to the arrangement, the Z-shaped elastic structure and the elongated receiving body are arranged on each shielding body, the positions of the Z-shaped elastic structure and the elongated receiving body on the adjacent shielding bodies are interchanged, and after one Z-shaped elastic structure penetrates through the through groove A on the sheet body, the Z-shaped elastic structure is abutted against the elongated receiving body on the adjacent sheet body, so that staggered shielding contact is directly realized; in addition, in the fixation of the sheet body, the female housing and the sheet body are reliably fixed through the semi-surrounding elastic connection and the elastic connection.
More preferably: the shield body is provided with a grounding elastic sheet which is abutted with the grounding terminal of the sheet body to realize three-dimensional shielding.
More preferably: every slice body all includes signal terminal pair and the ground terminal of arranging the setting in turn, signal terminal pair and ground terminal constitute by contact site, afterbody that links to each other with female end circuit board, the body portion that extends between contact site and afterbody, be provided with the mounting groove on the body portion of ground terminal, the spacing flexure strip that the symmetry set up is all installed to the mounting groove on relative both sides face, is provided with on the shield and inserts two spacing flexure strips and realize the fixed arrow point formula plug-in components of shield.
More preferably: the sheet body is provided with a plurality of rubber columns which are used for inserting and limiting with the shielding body on the plane of the shielding body opposite to the sheet body,
more preferably, the following components are: the L-shaped design is adopted, the horizontal end of the limiting sheet is located above, an inserting groove is formed in the horizontal end of the limiting sheet along the vertical direction, inserting cavities are formed in the upper portion of the sheet body at intervals to form inserting columns, round corners which are convenient for insertion of the inserting grooves are formed in the inserting head ends of the inserting columns, and round edge protrusions are arranged on the two sides of the inserting columns.
More preferably: the two sides of the insertion groove are provided with vertical chamfers which facilitate the limiting sheet to pass through the round edge bulge, and the bottoms of the two sides of the insertion groove are also provided with horizontal chamfers.
To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:
1. according to the invention, the elastic structure is made on the shield body to realize the connection of the mutual shielding at the sheet level, and the shield body is connected with the ground, so that the three-dimensional shielding effect is realized, and the adverse effect of the mutual action of fields in the differential signal transmission is isolated;
2. the elastic body with a small-size structure is manufactured in the shell, the work is carried out by utilizing the elasticity of plastic, and the deformation degree can be relatively large due to the small size, namely, a large action area can be manufactured, so that the reliability of fixation is ensured.
Drawings
FIG. 1 is a schematic view showing the overall structure of a connector according to an embodiment;
FIG. 2 is a schematic diagram of the mating between adjacent shields in one embodiment;
FIG. 3 is a diagram showing the components of a single connector group according to the embodiment;
fig. 4 is a composition diagram of a signal terminal pair and a ground terminal in the embodiment;
fig. 5 is a schematic structural diagram of a wafer in an embodiment.
Reference numerals: 1. a female-end circuit board; 2. a sheet body; 21. a through groove A; 22. a through groove B; 3. A shield; 31. a Z-shaped elastic structure; 32. an elongated receiving body; 4. a female end housing; 41. a ground hole; 42. a signal aperture; 5. a limiting sheet; 6. plastic step; 7. a groove is embedded; 8. a pair of signal terminals; 81. a signal contact portion; 82. a signal tail; 83. a signal body section; 9. a ground terminal; 91. a ground contact; 911. a bullet wall substrate; 912. a D-shaped bullet wall; 913. a grounding elastic body; 92. a ground tail; 93. a ground body portion; 10. an elastic rubber body; 11. a grounding elastic sheet; 12. a limiting elastic sheet; 13. an arrow-type insert; 14. a rubber column; 15. a plug-in post; 16. the round edge is convex; 17. a butt joint groove; 18. and a signal slot.
Detailed Description
The following provides a more detailed description of the present invention with reference to the accompanying drawings.
Referring to fig. 1 to 5, a three-dimensional shielded high-speed transmission electrical connector constructed by a wafer assembly is disclosed, which includes a wafer 2, a shield 3, a female end circuit board 1, and a female end housing 4 supporting the wafer 2, in this embodiment, a connector set is formed by the wafer 2, the shield 3, a pair of signal terminals 8 and a ground terminal 9, and a plurality of connector sets are fixed by the female end housing 4 and then connected with the female end circuit board 1 to form the connector.
The side of the female housing 4 opposite to the signal terminal pair 8 and the ground terminal 9 is provided with ground holes 41 and signal holes 42 in an array, the ground holes 41 and the signal holes 42 in the same array are alternately arranged, and a plastic rectangular column is arranged between the adjacent ground holes 41.
In a single connector group, the signal terminal pairs 8 and the ground terminals 9 are arranged alternately, each of the signal terminal pairs 8 and the ground terminals 9 is composed of a contact part, a tail part connected with the female-end circuit board 1 and a body part extending between the contact part and the tail part, the signal contact part 81 of the signal terminal pair 8 is bent and extends into the signal hole 42, and when the blade-shaped terminal is inserted into the signal hole 42, the blade-shaped terminal is tightly abutted between the inner wall of the signal hole 42 and the convex surface of the signal contact part 81; in a practical corresponding design, the pair of signal terminals 8 intended for edge differential coupling is formed by the first and second signal terminals being arranged symmetrically together.
Every slice body 2 all supports signal terminal 8 and the ground terminal 9 of arranging the setting in turn, signal terminal 8 and ground terminal 9 by the contact site, the afterbody that links to each other with female end circuit board 1, the body portion that extends between contact site and afterbody constitutes, be provided with the mounting groove on the body portion of ground terminal 9, the spacing flexure strip 12 that the symmetry set up is all installed to the mounting groove on relative both sides face, be provided with on the shield body 3 and insert two spacing flexure strips 12 and realize the arrow point formula plug-in components 13 that shield body 3 is fixed.
The grounding contact part 91 of the grounding terminal 9 is of a double-D structure and is specifically unfolded, the grounding contact part 91 comprises an elastic wall base 911 and a D-shaped elastic wall 912 which are symmetrically arranged, one end of the elastic wall base 911 is connected with the grounding body part 93, the other end of the elastic wall base is connected with the D-shaped elastic wall 912, the two D-shaped elastic walls 912 of the grounding contact part 91 are arranged on one side of a relative plastic rectangular column and are abutted against double points of the plastic rectangular column, two sides of the end part of the grounding contact part 91 are connected with the outer side walls of the groove-shaped terminals adjacent to the two sides in a single-point extrusion manner, namely, two sides of the D-shaped elastic wall 912 are connected with the outer side walls of the groove-shaped terminals adjacent to the two sides in a single-point extrusion manner, meanwhile, the elastic wall base 911 is provided with a bulge which is arranged on the; it should be noted that the ground contact portions 91 on both sides of the ground terminal 9 are both provided as single D-shaped end portions, the ground contact portion 91 in the middle is provided as a double D-shaped end portion, the ground contact portion 91 of the ground terminal 9 is provided with a ground elastic body 913 abutting against the adjacent shield 3 on the back surface of the double D-shaped structure, and the ground elastic body 913 is located between the two spring wall bases 911.
A wafer 2 supported by the female housing 4 and supporting one or more shields 3, having a vertical butt-joint surface a, a butt-joint surface B, and a butt-joint groove 17 opened on the butt-joint surface a, the wafer 2 is provided with a signal groove 18 opposite to and communicating with the signal terminal pair 8 in the symmetrical groove corresponding range, the signal groove 18 is arranged at intervals along the extending direction of the signal body part 83, the butt-joint surface a is provided with a plurality of conical plastic columns at the position outside the signal groove 18, and the diameter of the connecting end of the conical plastic column and the butt-joint surface a is larger than the outside diameter.
The shielding body 3 is provided with a shielding layer hole which is penetrated through by the conical plastic column, the end part of the shielding body 3 positioned in the female end shell 4 is provided with equilateral triangle elastic pieces at intervals along the vertical direction of the butt joint surface A to be contacted with a grounding device of a butt joint end element, one end of each equilateral triangle elastic piece is connected with the shielding body 3, and the inclined elastic end faces to the direction which is opposite to the butt joint surface A and is parallel to the butt joint surface A and is inclined towards the butt joint surface A; the shielding body 3 is provided with columnar protrusions at intervals at the bottom end of the butt joint face a, and the columnar protrusions are all located in the range corresponding to the grounding tail portion 92 and are in contact with the grounding tail portion 92.
The application is effectively improved and innovated in connection of parts of the female end shell 4, the sheet body 2 and the shield body 3, and specifically comprises the following steps:
positioning and fixing of each sheet 2:
the limiting sheets 5 in the L-shaped design are inserted into the limiting sheets and connected in an extruding mode to limit and fix the sheet bodies 2, and meanwhile, the limiting sheets 5 are partially protruded to limit the sheet bodies 2.
The 5 horizontal ends of spacing piece that are the design of L type are located the top, and the horizontal end of spacing piece 5 is provided with the inserting groove along vertical direction, and 2 upper portion intervals of thin slice are provided with the grafting cavity in order to form the grafting post, and the grafting post is provided with the fillet that makes things convenient for the inserting groove embedding at inserting the head end, and the both sides of grafting post are provided with the round edge arch 16, and the inserting groove both sides are provided with the vertical corner cut of limiting piece 5 through the round edge arch 16 of being convenient for, and the bottom of inserting groove both sides also is equipped with the horizontal corner cut.
Fixation of the female housing 4 to the sheet 2:
female end casing 4 is connected through the semi-enclosed formula that upper and lower both ends cup jointed with thin slice body 2, every thin slice body 2 is provided with plastic step 6 at the upper and lower both ends symmetry that is located female end casing 4 one side, plastic step 6 is the setting of L type, and its right-angle side sets up female end casing 4 back to, specifically, the horizontal end of plastic step 6 links to each other with thin slice body 2 upper end or lower extreme, the vertical end of plastic step 6 is vertical up when thin slice body 2 upper end, and vertical end length is less than horizontal end length, embedded groove 7 that is used for the vertical end embedding of plastic step 6 is all offered at the position relative with every plastic step 6 to female end casing 4, be provided with the relative elastomer of the horizontal end with plastic step 6 in the embedded groove 7, and the elastomer is crooked towards the horizontal end of plastic step 6.
In this application, it is worth mentioning that the staggered shielding contacts between adjacent shields 3 are as follows:
a through groove a21 communicating with an adjacent sheet 2 is formed in each sheet 2, a through groove B22 is formed on one side of the through groove a21, and the through groove B22 does not penetrate through the sheet 2 and is located on the shield 3 side of the same connector group;
the through grooves a21 of two adjacent wafers 2 are staggered with the through grooves B22, and one through groove a21 is opposite to the adjacent through groove B22, so that the through groove a21 of one wafer 2 is communicated with the through groove B22 of the adjacent wafer 2, and each shielding body 3 is provided with a B-shaped elastic structure 31 and a slender bearing body 32 at the position opposite to the adjacent through groove a21 and the adjacent through groove B22, so that the B-shaped elastic structure 31 passes through the through groove a21 to be abutted against the slender bearing body 32 in the opposite through groove B22.
By arranging the B-shaped elastic structures 31 and the elongated receiving bodies 32 on each shield body 3 and exchanging the positions of the B-shaped elastic structures 31 and the elongated receiving bodies 32 on the adjacent shield bodies 3, after one B-shaped elastic structure 31 passes through the through groove A21 on the wafer 2, the B-shaped elastic structure is abutted against the elongated receiving body 32 on the adjacent wafer 2, and the staggered shielding contact is directly realized; in addition, in fixing the sheet 2, the female housing 4 and the sheet 2 are reliably fixed by a semi-surrounding elastic connection and an elastic connection.
Be provided with on the shield 3 and realize three-dimensional shielding with the ground connection flexure strip 11 of the ground terminal 9 butt of slice body 2 to be provided with the mounting groove on the body portion of ground terminal 9, the spacing flexure strip 12 of symmetry setting is all installed to the mounting groove on relative both sides face, be provided with on the shield 3 and insert two spacing flexure strips 12 and realize the arrow point formula plug-in components 13 that shield 3 is fixed, slice body 2 in the cooperation with relative shield 3 plane on a plurality of be used for with shield 3 grafting spacing rubber column 14 of configuration, realize shield 3 good spacing fixed.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Claims (6)
1. The utility model provides a three-dimensional shielding high speed transmission electric connector who is constructed by thin slice subassembly, includes slice body, shield, female end circuit board, and supports female end casing of slice body which characterized in that:
the female end shell is provided with grounding holes and signal holes in an array manner on the side face opposite to the signal terminal pair and the grounding terminal, the grounding holes and the signal holes in the same row are alternately arranged, plastic rectangular columns are arranged between the adjacent grounding holes, and the wafer is inserted and connected with the spacing holes in an L-shaped design through spacing pieces and is connected with the spacing holes in an extrusion manner to realize spacing fixation of each wafer;
each thin sheet is provided with a through groove A communicated with an adjacent thin sheet, one side of each through groove A is provided with a through groove B, the through grooves A and the through grooves B on two adjacent thin sheets are staggered to realize that the through groove A of one thin sheet is communicated with the through groove B of the adjacent thin sheet, and each shielding body is provided with a Z-shaped elastic structure and a slender bearing body at the position opposite to the adjacent through groove A and the adjacent through groove B respectively to realize that the Z-shaped elastic structure penetrates through the through groove A to be abutted against the slender bearing body in the opposite through groove B;
female end casing with the body of flake is connected through the half enclosed type that upper and lower both ends cup jointed, every the upper and lower both ends symmetry that the body of flake is located female end casing one side is provided with the plastic step, the plastic step is the setting of L type, and its right angle face sets up female end casing back to, the embedded groove that is used for the vertical end embedding of plastic step is all offered at the position relative with every plastic step to female end casing, be provided with in the embedded groove with the relative elastomer of the horizontal end of plastic step, and the horizontal end bending of elastomer towards the plastic step.
2. The electrical connector of claim 1, wherein the electrical connector comprises: the shield body is provided with a grounding elastic sheet which is abutted with the grounding terminal of the sheet body to realize three-dimensional shielding.
3. The electrical connector of claim 1, wherein the electrical connector comprises: every the slice body all supports signal terminal pair and the ground terminal who arranges the setting in turn, signal terminal pair and ground terminal constitute by contact site, afterbody that links to each other with female end circuit board, the body portion that extends between contact site and afterbody, be provided with the mounting groove on the body portion of ground terminal, the spacing flexure strip that the symmetry set up is all installed to the mounting groove on relative both sides face, is provided with on the shield and inserts two spacing flexure strips and realize the fixed arrow point formula plug-in components of shield.
4. The electrical connector of claim 3, wherein the electrical connector comprises: the sheet body is provided with a plurality of rubber columns which are used for inserting and limiting with the shielding body on the plane of the shielding body opposite to the sheet body.
5. The electrical connector of claim 1, wherein the electrical connector comprises: the L-shaped design is adopted, the horizontal end of the limiting sheet is located above, an inserting groove is formed in the horizontal end of the limiting sheet along the vertical direction, inserting cavities are formed in the upper portion of the sheet body at intervals to form inserting columns, round corners which are convenient for insertion of the inserting grooves are formed in the inserting head ends of the inserting columns, and round edge protrusions are arranged on the two sides of the inserting columns.
6. The electrical connector of claim 5, wherein the three-dimensional shield high-speed transmission is constructed by a thin sheet assembly, and comprises: the two sides of the insertion groove are provided with vertical chamfers which facilitate the limiting sheet to pass through the round edge bulge, and the bottoms of the two sides of the insertion groove are also provided with horizontal chamfers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921452144.5U CN210489920U (en) | 2019-09-02 | 2019-09-02 | Three-dimensional shielding high-speed transmission electric connector constructed by sheet components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921452144.5U CN210489920U (en) | 2019-09-02 | 2019-09-02 | Three-dimensional shielding high-speed transmission electric connector constructed by sheet components |
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| CN210489920U true CN210489920U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921452144.5U Active CN210489920U (en) | 2019-09-02 | 2019-09-02 | Three-dimensional shielding high-speed transmission electric connector constructed by sheet components |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641082A (en) * | 2020-06-19 | 2020-09-08 | 东莞湧德电子科技有限公司 | Terminal connection structure of SFF 2 XN series optical module |
| CN113937568A (en) * | 2021-09-08 | 2022-01-14 | 中航光电科技股份有限公司 | Signal connector |
| CN114122831A (en) * | 2020-08-27 | 2022-03-01 | 华为技术有限公司 | Connector assembly and communication equipment |
| CN114336180A (en) * | 2020-09-28 | 2022-04-12 | 庆虹电子(苏州)有限公司 | Electric connector and transmission sheet thereof |
| TWI783294B (en) * | 2020-06-05 | 2022-11-11 | 大陸商東莞立訊技術有限公司 | A conductive sheet structure and high-speed connector |
-
2019
- 2019-09-02 CN CN201921452144.5U patent/CN210489920U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI783294B (en) * | 2020-06-05 | 2022-11-11 | 大陸商東莞立訊技術有限公司 | A conductive sheet structure and high-speed connector |
| CN111641082A (en) * | 2020-06-19 | 2020-09-08 | 东莞湧德电子科技有限公司 | Terminal connection structure of SFF 2 XN series optical module |
| CN114122831A (en) * | 2020-08-27 | 2022-03-01 | 华为技术有限公司 | Connector assembly and communication equipment |
| CN114336180A (en) * | 2020-09-28 | 2022-04-12 | 庆虹电子(苏州)有限公司 | Electric connector and transmission sheet thereof |
| CN114336180B (en) * | 2020-09-28 | 2024-03-26 | 庆虹电子(苏州)有限公司 | Electric connector and transmission sheet thereof |
| CN113937568A (en) * | 2021-09-08 | 2022-01-14 | 中航光电科技股份有限公司 | Signal connector |
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