CN210576830U - Low-crosstalk photoelectric hybrid plug connector - Google Patents
Low-crosstalk photoelectric hybrid plug connector Download PDFInfo
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- CN210576830U CN210576830U CN201921278658.3U CN201921278658U CN210576830U CN 210576830 U CN210576830 U CN 210576830U CN 201921278658 U CN201921278658 U CN 201921278658U CN 210576830 U CN210576830 U CN 210576830U
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- golden finger
- end golden
- plug connector
- rear end
- tongue piece
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- 239000002184 metal Substances 0.000 claims abstract description 42
- 229910052751 metal Inorganic materials 0.000 claims abstract description 42
- 239000012212 insulator Substances 0.000 claims abstract description 12
- 230000005693 optoelectronics Effects 0.000 claims description 23
- 230000005622 photoelectricity Effects 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 7
- 230000008054 signal transmission Effects 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 22
- 239000010931 gold Substances 0.000 description 22
- 229910052737 gold Inorganic materials 0.000 description 22
- 230000000694 effects Effects 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
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Abstract
The utility model relates to a low-crosstalk photoelectric hybrid plug connector used for transmitting network signals, which comprises an insulator, a metal shell and a network cable, a circuit board is inserted in the insulator and comprises a connecting part and a tongue piece part, wherein the two side surfaces of the tongue piece part are respectively provided with a first front end golden finger, a second front end golden finger, a third front end golden finger, a fourth front end golden finger and a fifth front end golden finger, the two side surfaces of the connecting part are respectively provided with a first rear end golden finger, a second rear end golden finger, a third rear end golden finger and a fourth rear end golden finger, the first front end golden finger and the second front end golden finger are respectively electrically connected with the first rear end golden finger and the second rear end golden finger, the fourth front end golden finger and the fifth front end golden finger on the two side surfaces of the tongue piece part are respectively electrically connected with the third rear end golden finger and the fourth rear end golden finger on the two side surfaces of the connecting part, the third front-end golden fingers on the two side surfaces of the tongue piece part are independent grounding golden fingers, and a plurality of through holes which are sequentially arranged from front to back are formed in the grounding golden fingers and the rear ends of the grounding golden fingers. By the arrangement, the shielding performance can be greatly improved, and the crosstalk is reduced.
Description
Technical Field
The utility model relates to a low mixed plug connector of photoelectricity that crosstalks especially relates to a low mixed plug connector of photoelectricity that crosstalks for transmitting photoelectric signal.
Background
An optoelectronic signal transmission connector, especially an electrical connector for connecting a network cable, generally includes an insulating body, a socket recessed inward from the insulating body, and conductive terminals fixed on the insulating body and extending to the socket, the conductive terminals being arranged in a row for transmitting network signals.
However, in the prior art, the miniaturization requirement of the electrical connector is higher and higher, and especially in a network room cabinet, the requirement of the wiring density is higher and higher, and the miniaturization development of the connector is more required; and, the shielding performance requirements for the electrical connectors themselves are also increasing.
Accordingly, there is a need for an improved optoelectronic connector that overcomes the above-mentioned deficiencies in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an improve low mixed plug connector of photoelectricity that crosstalks of shielding property.
The utility model aims at realizing through the following technical scheme: the utility model provides a low mixed plug connector of photoelectricity that crosstalks, includes the butt joint who is used for socket connector, the mixed plug connector of photoelectricity that low crosstalks is used for transmitting network signal, including the metal casing in insulator, cladding insulator outside and wear to establish the network cable that goes out from the metal casing rear end, the insulator interpolation is equipped with the circuit board, the circuit board includes the connecting portion that are used for the electric connection cable and is located connecting portion and extend forward and stretch into the tongue piece portion in the butt joint, tongue piece portion both sides face all is equipped with first, second, third, fourth, the fifth front end golden finger that arranges in proper order for the electric connection socket connector for the electric property, connecting portion both sides face all is equipped with first, second, third, the fourth rear end golden finger that arranges in proper order for the electric connection cable, wherein first, the second front end golden finger of tongue piece portion both sides face respectively with the first of connecting portion both sides face, The second rear end golden finger electric connection, the fourth of tongue piece portion both sides face, fifth front end golden finger respectively with the third of connecting portion both sides face, fourth rear end golden finger electric connection, the third front end golden finger of tongue piece portion both sides face is independent ground connection golden finger, and on the ground connection golden finger and rear end be equipped with a plurality of perforation of arranging in proper order from beginning to end.
As a further improvement, the circuit board is provided with an elongated metal sheet inside the third front end golden finger, and the elongated metal sheet protrudes backward from the first, second, fourth and fifth front end golden fingers in the front and rear directions.
As a further improvement, the extension sheetmetal presss from both sides in circuit board thickness direction and locates between the third front end golden finger of both sides, length is greater than 2 times of first, second, fourth, fifth front end golden finger front-back length around the extension sheetmetal.
As a further improvement, the extension sheetmetal is connected in both sides third front end golden finger rear in the circuit board fore-and-aft direction, length is greater than 1 time of first, second, fourth, fifth front end golden finger front-and-back length around the extension sheetmetal.
As a further improvement of the utility model, the tongue piece is provided with a fool-proof notch which is sunken from front to back between the third and the fourth front-end golden fingers.
As a further improvement of the utility model, the through holes are distributed on the third front end golden finger and the lengthened metal sheet.
As a further improvement, the third front end golden finger is provided with a perforation at the front end, the lengthened metal sheet is provided with 3 perforations with equal distance at the rear of the third front end golden finger.
As a further improvement, the circuit board is a T-shape, the tongue portion protrudes from the left and right sides of the connecting portion, and the elongated metal piece extends backward to the connecting portion.
As a further improvement of the utility model, the periphery of the front end of the tongue piece part is provided with a rectangular metal plug head part.
As a further improvement of the present invention, the low crosstalk opto-electronic hybrid plug connector conforms to the RJ45 signal transmission standard.
Compared with the prior art, the low mixed plug connector of photoelectricity of crosstalking. So as to arrange.
Drawings
Fig. 1 is a perspective combination view of the low crosstalk hybrid plug connector and the plug connector of the present invention.
Fig. 2 is a partial perspective combination view of the low crosstalk optoelectronic hybrid plug connector of the present invention after the metal shell is removed.
Fig. 3 is a schematic perspective view of the internal circuit board of the low crosstalk optoelectronic hybrid plug connector of the present invention.
Fig. 4 is a side view of the internal circuit board and the connection terminal of the low crosstalk optoelectronic hybrid plug connector of the present invention.
Fig. 5 is a three-dimensional combination of the internal circuit board of the low crosstalk photoelectric hybrid plug connector of the present invention when being matched with the connection terminal and the cable.
Fig. 6 is an internal cross-sectional view of the internal circuit board of the low crosstalk optoelectronic hybrid plug connector before being perforated.
Reference numerals:
opto-electronic hybrid plug connector 100 butt joint 10
Fool-proof notch 221 insulator 3
First front end gold finger 2021 and second front end gold finger 2022
Third front end gold finger 2023 fourth front end gold finger 2024
A fifth front end gold finger 2025, a first back end gold finger 2026,
Second rear end gold finger 2027 third rear end gold finger 2028
Fourth rear end gold finger 2029 perforation 23
Elongated sheet metal 24 loop 25
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 to 6 are schematic structural diagrams of the low crosstalk optoelectronic hybrid plug connector 100 according to the present invention. A low crosstalk optical-electrical hybrid plug connector 100 comprises a butt joint 10 for plugging a socket connector (not shown), the low crosstalk optical-electrical hybrid plug connector 100 is used for transmitting network signals, and comprises an insulator 3, a metal shell covering the outside of the insulator 3 and a network cable 6 passing through the rear end of the metal shell, a circuit board 2 is inserted in the insulator 3, the circuit board 2 comprises a connecting portion 21 for electrically connecting the cable 6 and a tongue portion 22 extending forwards from the connecting portion 21 and protruding into the butt joint 10, two sides 2001 and 2002 of the tongue portion 22 are respectively provided with a first front end golden finger 2021, a second front end golden finger 2022, a third front end golden finger 2023, a fourth front end golden finger 2024 and a fifth front end golden finger 2025 which are sequentially arranged and used for electrically butting the socket connector, namely, the first front end golden finger, the second front end golden finger, the third front end golden finger, the fourth front end golden finger and the fifth front end golden finger 2021, the second front end golden finger 202, 2022. 2023, 2024, 2025 are symmetrically distributed front and back to transmit different signals. The two side surfaces 2001 and 2002 of the connection portion 21 are respectively provided with a first rear end golden finger 2026, a second rear end golden finger 2027, a third rear end golden finger 2028, and a fourth rear end golden finger 2029, which are sequentially arranged and used for electrically connecting the cable 6, that is, the two side surfaces 2001 and 2002 of the connection portion 21 are respectively provided with a first rear end golden finger 2026, a second rear end golden finger 2027, a third rear end golden finger 2028, and a fourth rear end golden finger 2029, which are respectively and symmetrically distributed in front and rear directions and used for transmitting different signals. The first and second front end fingers 2021, 2022 on the two sides 2001, 2002 of the tongue portion 22 are electrically connected to the first and second rear end fingers 2026, 2027 on the two sides 2001, 2002 of the connecting portion 21 respectively through an independent loop 25, the fourth and fifth front end fingers 2024, 2025 on the two sides 2001, 2002 of the tongue portion 22 are electrically connected to the third and fourth rear end fingers 2028, 2029 on the two sides 2001, 2002 of the connecting portion 21 respectively through an independent loop 25, the third front end fingers 2023 on the two sides 2001, 2002 of the tongue portion 22 are independent grounding fingers, and the grounding fingers and the rear ends thereof are provided with a plurality of through holes 23 arranged in a front-to-rear manner. With such an arrangement, the third front end gold finger 2023 on the internal circuit board 2 can be connected with a ground terminal (not shown) of the mating socket connector, and the through hole 23 can provide a better shielding effect between the gold finger loops 25 on the left and right sides, so as to reduce crosstalk on the circuit board 2 and greatly improve the signal transmission quality of the optical-electrical hybrid plug connector 100.
The circuit board 2 is provided with a lengthened metal sheet 24 inside the third front end gold finger 2023, and the lengthened metal sheet 24 protrudes backwards in the front-back direction to form the first, second, fourth and fifth front end gold fingers 2021, 2022, 2024 and 2025. With such an arrangement, the lengthened metal sheet 24 can provide a better shielding effect between the gold finger loops 25 on the left and right sides, and further reduce crosstalk.
In one possible embodiment, the elongated metal sheet 24 is sandwiched between the third front end gold fingers 2023 on both sides in the thickness direction of the circuit board 2, and the front-back length of the elongated metal sheet 24 is greater than 2 times the front-back length of the first, second, fourth, and fifth front end gold fingers 2021, 2022, 2024, 2025. With this arrangement, the elongated metal sheet 24 can be added during the manufacturing and molding process of the circuit board 2, and the elongated metal sheet 24 has complete shielding performance, so that the manufacturing and molding are facilitated.
In another possible embodiment, the elongated metal piece 24 may be further connected to the circuit board 2 in the front-back direction behind the third front end gold fingers 2023 on both sides, and the front-back length of the elongated metal piece 24 is greater than 1 time of the front-back length of the first, second, fourth, and fifth front end gold fingers 2021, 2022, 2024, 2025. In this way, the elongated metal piece 24 may also overlap the third front end gold fingers 2023 on the two sides in the front-back direction. Of course, other configurations are possible in other embodiments of the present invention.
The tongue portion 22 is provided with a fool-proof notch 221 recessed from front to back between the third and fourth front-end golden fingers 2023 and 2024. In this way, the fool-proof notch 221 can cooperate with a fool-proof partition (not shown) on the multi-section socket connector to prevent the hybrid optoelectronic plug connector 100 from being plugged backwards.
The through holes 23 are distributed on the third front end gold finger 2023 and the elongated metal sheet 24. With this arrangement, a better shielding effect can be achieved in the left-right direction of the circuit board 2, and crosstalk between the left-right loop 25 can be reduced.
In a preferred embodiment, the third front end gold finger 2023 has a through hole 23 at the front end, and the elongated metal sheet 24 has 3 through holes 23 at equal intervals behind the third front end gold finger 2023. So set up, can make 3 perforation 23 left and right sides of equidistance return circuit 25 between shielding effect better.
Referring to fig. 6, the circuit board 2 is T-shaped, the connecting portion 21 protrudes from the tongue portion 22 in the left-right direction, and the elongated metal piece 24 extends backward to the connecting portion 21. With this arrangement, the elongated metal piece 24 can reduce crosstalk between the circuits 25 on the left and right sides of the entire tongue piece portion 22.
The periphery of the front end of the tongue piece part 22 is provided with a rectangular metal plug head part 4. So configured, the metal socket head 4 can be mated and butted with a butting socket connector.
The low crosstalk optoelectronic hybrid plug connector 100 conforms to the RJ45 signal transmission standard. The vertical width of the mating terminal 10 of the low crosstalk optoelectronic hybrid plug connector 100 is substantially less than about 9.1 mm, and the horizontal width of the mating terminal 10 is substantially less than about 5.4 mm, which is much smaller than the size of the mating terminal 10 of the conventional connector. As such, the low crosstalk optoelectronic hybrid plug connector 100 can be used to interface with a network cable and transmit RJ45 signals, and is in line with the trend of miniaturization. In the present invention, the low crosstalk optical-electrical hybrid plug connector 100 is also compatible with signal transmission of other models.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a low mixed plug connector of photoelectricity that crosstalks, includes the butt joint who is used for socket connector, low mixed plug connector of photoelectricity that crosstalks is used for transmitting network signal, and the network cable who wears to go out including the metal casing in insulator, the cladding insulator outside and from the metal casing rear end, its characterized in that: the insulator is inserted with a circuit board, the circuit board comprises a connecting part for electrically connecting the cable and a tongue piece part which is positioned on the connecting part and extends forwards and protrudes into the butt joint, the two sides of the tongue piece part are respectively provided with a first front end golden finger, a second front end golden finger, a third front end golden finger, a fourth front end golden finger and a fifth rear end golden finger which are used for electrically butting the socket connector and are sequentially arranged, the two sides of the connecting part are respectively provided with a first rear end golden finger, a second rear end golden finger, a third rear end golden finger and a fourth rear end golden finger which are used for electrically connecting the cable and are sequentially arranged, the first front end golden finger and the second front end golden finger on the two sides of the tongue piece part are respectively electrically connected with the third rear end golden finger and the fourth rear end golden finger on the two sides of the connecting part, and the third front end golden finger on the two sides of the tongue piece part is an independent grounding, and a plurality of through holes which are sequentially arranged in the front and the back are arranged on the grounding golden finger and the back end of the grounding golden finger.
2. The low crosstalk optoelectronic hybrid plug connector of claim 1, wherein: the circuit board is provided with a lengthened metal sheet inside the third front end golden finger, and the lengthened metal sheet protrudes backwards from the first front end golden finger, the second front end golden finger, the fourth front end golden finger and the fifth front end golden finger in the front-back direction.
3. The low crosstalk optoelectronic hybrid plug connector of claim 2, wherein: the lengthened metal sheet is clamped between the third front-end golden fingers on the two sides in the thickness direction of the circuit board, and the front-back length of the lengthened metal sheet is 2 times greater than that of the first, second, fourth and fifth front-end golden fingers.
4. The low crosstalk optoelectronic hybrid plug connector of claim 2, wherein: the lengthened metal sheet is connected to the rear of the third front end golden fingers on the two sides in the front-back direction of the circuit board, and the front-back length of the lengthened metal sheet is greater than 1 time of the front-back length of the first front end golden finger, the second front end golden finger, the fourth front end golden finger and the fifth front end golden finger.
5. The low crosstalk optoelectronic hybrid plug connector of claim 1, wherein: the tongue piece part is provided with a fool-proof notch which is sunken from front to back between the third front-end golden finger and the fourth front-end golden finger.
6. The low crosstalk optoelectronic hybrid plug connector of claim 2, wherein: the through holes are distributed on the third front end golden finger and the lengthened metal sheet.
7. The low crosstalk optoelectronic hybrid plug connector of claim 6, wherein: the third front end golden finger is provided with a perforation at the front end, and the lengthened metal sheet is provided with 3 perforations with equal distance behind the third front end golden finger.
8. The low crosstalk optoelectronic hybrid plug connector of claim 2, wherein: the circuit board is T-shaped, the left and right directions of the connecting part protrude out of the tongue piece part, and the lengthened metal sheet extends backwards to the connecting part.
9. The low crosstalk optoelectronic hybrid plug connector of claim 1, wherein: the periphery of the front end of the tongue piece part is provided with a rectangular metal plug head part.
10. The low crosstalk optoelectronic hybrid plug connector of any one of claims 1-9, wherein: the low crosstalk optoelectronic hybrid plug connector conforms to the RJ45 signal transmission standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921278658.3U CN210576830U (en) | 2019-08-08 | 2019-08-08 | Low-crosstalk photoelectric hybrid plug connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921278658.3U CN210576830U (en) | 2019-08-08 | 2019-08-08 | Low-crosstalk photoelectric hybrid plug connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210576830U true CN210576830U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921278658.3U Active CN210576830U (en) | 2019-08-08 | 2019-08-08 | Low-crosstalk photoelectric hybrid plug connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210576830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115119389A (en) * | 2022-06-21 | 2022-09-27 | 东莞立讯技术有限公司 | Printed circuit boards and electrical connectors |
-
2019
- 2019-08-08 CN CN201921278658.3U patent/CN210576830U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115119389A (en) * | 2022-06-21 | 2022-09-27 | 东莞立讯技术有限公司 | Printed circuit boards and electrical connectors |
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