CN211456069U - Cable connector - Google Patents
Cable connector Download PDFInfo
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- CN211456069U CN211456069U CN202020456229.7U CN202020456229U CN211456069U CN 211456069 U CN211456069 U CN 211456069U CN 202020456229 U CN202020456229 U CN 202020456229U CN 211456069 U CN211456069 U CN 211456069U
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Abstract
The application discloses cable connector, including connector housing and a plurality of transmission pieces of locating connector housing with inserting piling up, every transmission piece includes: an insulating frame; the grounding pins are fixed on the insulating frame in a row, each grounding pin comprises a grounding pin contact section, a grounding pin tail section and a grounding pin middle section positioned between the grounding pin contact section and the grounding pin tail section, and the grounding pin tail section and the grounding pin middle section are embedded in the insulating frame; and the transmission sheet also comprises a first shielding sheet and a second shielding sheet, the first shielding sheet is arranged on the first side of the insulating frame in parallel, and the second shielding sheet is arranged on the second side of the insulating frame opposite to the first side in parallel. By the arrangement mode, signal crosstalk between the differential signal pairs can be effectively controlled, and therefore transmission quality is improved.
Description
Technical Field
The present application relates generally to the field of electrical connectors and, more particularly, to a cable connector.
Background
With the development of electronic technology, the processing speed of signals is increasing, and a connector as a signal transmission bridge and a cable connected to an end thereof are also required to have high-speed transmission characteristics. Crosstalk between signals is particularly significant when the rate exceeds 25 Gbps.
CN104009307 discloses a prior art cable connector. For each transmission patch of the cable connector, only the ground pin between adjacent signal pairs shields each other from crosstalk. Therefore, when the transmission rate is high, crosstalk between signal pairs is large, so that signal transmission quality is degraded. Further, the shielding effect is also deteriorated by the opening portion which is generally provided on the transmission sheet side.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present application provides an improved cable connector to overcome the above-mentioned drawbacks, thereby improving the shielding effect for the signal pins.
The present application provides a cable connector comprising: a connector housing; and a plurality of transmission pieces inserted in the connector housing in a stacked manner, each of the transmission pieces including: an insulating frame; a plurality of cables respectively connected to the insulating frames; the grounding pins are fixed on the insulating frame in a row, each grounding pin comprises a grounding pin contact section, a grounding pin tail section and a grounding pin middle section positioned between the grounding pin contact section and the grounding pin tail section, and the grounding pin tail section and the grounding pin middle section are embedded in the insulating frame; and the transmission sheet also comprises a first shielding sheet and a second shielding sheet, the first shielding sheet is arranged on the first side of the insulating frame in parallel, and the second shielding sheet is arranged on the second side of the insulating frame opposite to the first side in parallel.
Further, the signal pin comprises a signal pin contact section, a signal pin tail section and a signal pin middle section located between the signal pin contact section and the signal pin tail section, wherein the signal pin tail section and the signal pin middle section are embedded in the insulating frame, and the cable is installed on the signal pin tail section; the first shield plate covers and is spaced a distance from the signal pin intermediate segment.
Further, the first shield plate of the transmission plate includes a plurality of first shield sections and a plurality of first perforated sections alternately arranged, the first shield sections correspond to the signal pin intermediate sections of the signal pins of the transmission plate, and the first perforated sections correspond to the ground pin intermediate sections of the ground pins of the transmission plate.
Further, the first shield plate of the transmission plate includes a plurality of first protruding portions protruding from the first shield section toward the first perforated section and extending toward the insulating frame of the transmission plate, the plurality of first protruding portions electrically and/or mechanically contacting the ground pin intermediate sections of the plurality of ground pins.
Furthermore, the two opposite sides of the first shielding section of the first shielding plate of the transmission plate are respectively provided with the first protruding parts, and the first protruding parts on the two opposite sides are respectively in electrical and/or mechanical contact with the two adjacent grounding pins.
Further, the signal pin comprises a signal pin contact section, a signal pin tail section and a signal pin middle section located between the signal pin contact section and the signal pin tail section, wherein the signal pin tail section and the signal pin middle section are embedded in the insulating frame, and the cable is installed on the signal pin tail section; the second shield plate covers adjacent areas of the signal pin contact section, the signal pin intermediate section, and the signal pin tail section of the signal pin and is spaced apart from the signal pin contact section, the signal pin intermediate section, and the signal pin tail section by a distance.
Further, the second shielding plate of the transmission plate includes a plurality of second shielding sections and a plurality of second perforated sections alternately arranged, the second shielding sections correspond to the signal pin middle sections and/or the signal pin tail sections of the signal pins of the transmission plate, and the second perforated sections correspond to the ground pin middle sections and/or the ground pin tail sections of the ground pins of the transmission plate.
Further, the second shield plate of the transmission plate includes a plurality of second protruding portions protruding from the second shield section toward the second perforated section and extending toward the insulating frame of the transmission plate, the plurality of second protruding portions electrically and/or mechanically contacting the ground pin intermediate sections and/or the ground pin tail sections of the plurality of ground pins.
Further, each of the first and second shield sheets is made of metal or conductive plastic.
Further, each of the first and second shield sheets is formed as an integral piece by punching.
Further, the cable penetrates out of one end edge of the insulating frame, and the signal pin contact section of the signal pin penetrates out of the other end edge of the insulating frame.
The cable connector provided by the application can be suitable for high-speed transmission, and can effectively control signal crosstalk between differential signal pairs when the transmission rate is as high as 56Gbps, so that the transmission quality is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a perspective view of a cable connector according to the present application;
fig. 2 is a perspective view showing a transmission piece of the cable connector according to the present application;
FIG. 3 is a perspective view of the transfer sheet according to FIG. 2 from a side with the insulating frame removed to show its internal structure;
fig. 4 is a perspective view of the transmission patch according to fig. 3 from another opposite side, in which the signal pins and the ground pins covered by the second shield patch are indicated by broken lines; and
fig. 5 is a side view of the transfer sheet according to fig. 3 from another angle.
List of reference numerals
1 transport sheet
10 insulating frame
11 ground pin
12 signal needle
13 first shield plate
14 second shield plate
100 cable connector
111 grounding pin contact section
112 grounding pin middle section
113 grounding pin tail section
121 signal pin contact section
122 signal pin middle section
123 signal pin tail section
130 first extension
131 first shield segment
132 first perforated section
140 second extension
141 second shield segment
142 second perforated section
2 connector housing
C cable
Detailed Description
The technical solutions in the embodiments of the present application will be described in detail below with reference to the drawings in the embodiments of the present application. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1-3, the present application provides a cable connector 100. The cable connector 100 includes a plurality of transmission wafers 1 and a connector housing 2. The connector housing 2 has an accommodation space for accommodating the plurality of transmission sheets 1, and the plurality of transmission sheets 1 are inserted in the connector housing 2 in a stacked manner. Each transmission patch 1 includes an insulating frame 10, a plurality of cables C, a plurality of ground pins 11, and a plurality of signal pins 12. The plurality of cables C are respectively connected to the insulating frame 10. The plurality of grounding pins 11 are fixed to the insulating frame 10 in a row, each grounding pin 11 includes or is divided into a grounding pin contact section 111, a grounding pin tail section 113, and a grounding pin middle section 112 located between the grounding pin contact section 111 and the grounding pin tail section 113, and the grounding pin tail section 113 and the grounding pin middle section 112 are embedded in the insulating frame 10. A plurality of signal pins 12 are fixed to the insulating frame 10 in a row, and two signal pins 12 are provided between two adjacent ground pins 11, and such two signal pins 12 constitute one differential signal pair. In other words, in the insulating frame 10, the ground pins 11 and the differential signal pairs may be alternately arranged in a row. In other embodiments (not shown), the two differential signal pairs may also be separated by two ground pins 11 side by side. Typically, there is one ground pin 11 at each end of the insulating frame 10, so that there is at least one ground pin on both sides of each differential signal pair to shield the differential signal pair.
As shown in fig. 3 to 5, the transmission plate 1 may further include a first shielding plate 13 and a second shielding plate 14, the first shielding plate 13 is disposed in parallel on a first side of the insulating frame 10, and the second shielding plate 14 is disposed in parallel on a second side of the insulating frame 10 opposite to the first side. That is, the insulating frame 10 of the transmission piece 1 is located between the parallel first shield piece 13 and the second shield piece 14 of the transmission piece 1.
Each signal pin 12 includes or is divided into a signal pin contact section 121, a signal pin tail section 123, and a signal pin intermediate section 122 located between the signal pin contact section 121 and the signal pin tail section 123. The signal pin tail section 123 and the signal pin middle section 122 are embedded in the insulating frame 10, and the signal pin tail section 123 mounts a cable C, wherein the cable C passes through one end edge of the insulating frame 10. The grounding pin contact section 111 of the grounding pin 11 and the signal pin contact section 121 of the signal pin 12 can penetrate out from the other end edge of the insulating frame 10. The ground pin contact section 111 and the signal pin contact section 121 are portions of the ground pin 11 and the signal pin 12, respectively, for mating with a mating connector.
In addition, the insulating frame 10 of the transmission plate 1 may be made of a non-conductive plastic material, but is not limited thereto, for example, the insulating frame 10 may be partially made of a conductive plastic material, or partially plated with a metal, and these partially conductive regions may be disposed at positions corresponding to the grounding pins 11. The first and second shield plates 13 and 14 are respectively disposed at opposite sides of the insulating frame 10 and electrically and/or mechanically contact the corresponding ground pins 11 by means of corresponding first and second protrusions 130 and 140 (described in detail below) protruding from the first and second shield plates 13 and 14 and passing through openings at both sides of the insulating frame 10.
The first shield 13 may cover the signal pin intermediate segments 122 and be spaced a distance from the signal pin intermediate segments 122. The first shield plate 13 of the transmission plate 1 may include a plurality of first shield sections 131 and a plurality of first perforated sections 132 alternately arranged, the first shield sections 131 corresponding to the signal pin intermediate sections 122 of the signal pins 12 of the transmission plate 1, and the first perforated sections 132 corresponding to the ground pin intermediate sections 112 of the ground pins 11 of the transmission plate 1.
The first shield plate 13 of the transmission plate 1 may include a plurality of first protrusions 130 protruding from the first shield section 131 toward the first perforated section 132 and extending toward the insulation frame 10 of the transmission plate 1, the plurality of first protrusions 130 electrically and/or mechanically contacting the ground pin intermediate sections 112 of the plurality of ground pins 11. Furthermore, opposite sides of the first shielding section 131 of the first shielding plate 13 of the transmission plate 1 may be respectively provided with first protruding portions 130, and the first protruding portions 130 on the opposite sides are respectively in electrical and/or mechanical contact with the two grounding pins 11 of the adjacent differential signal pairs.
The second shield 14 covers adjacent areas of the signal pin contact section 121, the signal pin intermediate section 122, and the signal pin tail section 123 of the signal pin 12 and is spaced apart from the signal pin contact section 121, the signal pin intermediate section 122, and the signal pin tail section 123 by a distance. The second shielding plate 14 of the transmission plate 1 may include a plurality of second shielding sections 141 and a plurality of second perforated sections 142 alternately arranged, the second shielding sections 141 corresponding to the signal pin middle sections 122 and/or the signal pin tail sections 123 of the signal pins 12 of the transmission plate 1, and the second perforated sections 142 corresponding to the ground pin middle sections 112 and/or the ground pin tail sections 113 of the ground pins 11 of the transmission plate 1.
The second shield plate 14 of the transmission plate 1 may include a plurality of second protrusions 140 protruding from the second shield section 141 toward the second perforated section 142 and extending toward the insulation frame 10 of the transmission plate 1, the plurality of second protrusions 140 electrically and/or mechanically contacting the ground pin intermediate sections 112 and/or the ground pin tail sections 113 of the plurality of ground pins 11. Similarly to the first shielding plate 13, the opposite sides of the second shielding section 141 of the second shielding plate 14 may also be respectively provided with the second protruding parts 140, and the second protruding parts 140 on the opposite sides are respectively in electrical contact with the two adjacent grounding pins 11.
Further, each of the first and second shield sheets 13 and 14 may be made of metal or conductive plastic. The specific material of the first shield sheet 13 and the second shield sheet 14 is not limited. It is conceivable to replace with other materials that achieve a good shielding effect.
Further, each of the first shield sheet 13 and the second shield sheet 14 may be formed as a unitary piece, for example, by punching.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (11)
1. A cable connector comprising:
a connector housing (2); and
a plurality of transmission sheets (1) inserted in a stacked manner in the connector housing (2), each of the transmission sheets (1) including:
an insulating frame (10);
a plurality of cables (C) respectively connected to the insulating frame (10);
a plurality of grounding pins (11) fixed to the insulating frame (10) in a row, each grounding pin (11) comprising a grounding pin contact section (111), a grounding pin tail section (113) and a grounding pin middle section (112) located between the grounding pin contact section (111) and the grounding pin tail section (113), the grounding pin tail section (113) and the grounding pin middle section (112) being embedded in the insulating frame (10); and
a plurality of signal pins (12) fixed to the insulating frame (10) in a row, two signal pins (12) arranged between two adjacent ground pins (11), the two signal pins (12) constituting a differential signal pair,
it is characterized in that the preparation method is characterized in that,
the transmission piece (1) further comprises a first shielding piece (13) and a second shielding piece (14), wherein the first shielding piece (13) is arranged on the first side of the insulating frame (10) in parallel, and the second shielding piece (14) is arranged on the second side, opposite to the first side, of the insulating frame (10) in parallel.
2. The cable connector of claim 1,
the signal pin (12) comprises a signal pin contact section (121), a signal pin tail section (123) and a signal pin middle section (122) positioned between the signal pin contact section (121) and the signal pin tail section (123), wherein the signal pin tail section (123) and the signal pin middle section (122) are embedded in the insulating frame (10), and the cable (C) is installed on the signal pin tail section (123);
the first shield plate (13) covers the signal pin intermediate segment (122) and is spaced a distance from the signal pin intermediate segment (122).
3. The cable connector of claim 2,
the first shield plate (13) of the transmission plate (1) includes a plurality of first shield sections (131) and a plurality of first perforated sections (132) alternately arranged, the first shield sections (131) correspond to the signal pin intermediate sections (122) of the signal pins (12) of the transmission plate (1), and the first perforated sections (132) correspond to the ground pin intermediate sections (112) of the ground pins (11) of the transmission plate (1).
4. The cable connector of claim 3,
the first shield plate (13) of the transmission plate (1) comprises a plurality of first protrusions (130) protruding from the first shield section (131) towards the first perforated section (132) and extending towards the insulating frame (10) of the transmission plate (1), the plurality of first protrusions (130) electrically and/or mechanically contacting the ground pin intermediate sections (112) of the plurality of ground pins (11).
5. The cable connector of claim 4,
the two opposite sides of the first shielding section (131) of the first shielding sheet (13) of the transmission sheet (1) are respectively provided with the first protruding parts (130), and the first protruding parts (130) on the two opposite sides are respectively in electrical and/or mechanical contact with the two adjacent grounding pins (11).
6. The cable connector of claim 1,
the signal pin (12) comprises a signal pin contact section (121), a signal pin tail section (123) and a signal pin middle section (122) positioned between the signal pin contact section (121) and the signal pin tail section (123), wherein the signal pin tail section (123) and the signal pin middle section (122) are embedded in the insulating frame (10), and the cable (C) is installed on the signal pin tail section (123);
the second shield plate (14) covers adjacent areas of the signal pin contact section (121), the signal pin intermediate section (122), and the signal pin tail section (123) of the signal pin (12) and is spaced apart from the signal pin contact section (121), the signal pin intermediate section (122), and the signal pin tail section (123) by a distance.
7. The cable connector of claim 6,
the second shielding plate (14) of the transmission plate (1) comprises a plurality of second shielding sections (141) and a plurality of second perforated sections (142) which are alternately arranged, the second shielding sections (141) correspond to the signal pin middle sections (122) and/or the signal pin tail sections (123) of the signal pins (12) of the transmission plate (1), and the second perforated sections (142) correspond to the ground pin middle sections (112) and/or the ground pin tail sections (113) of the ground pins (11) of the transmission plate (1).
8. The cable connector of claim 7,
the second shielding plate (14) of the transmission plate (1) comprises a plurality of second protrusions (140) protruding from the second shielding section (141) towards the second perforated section (142) and extending towards the insulating frame (10) of the transmission plate (1), the plurality of second protrusions (140) electrically and/or mechanically contacting the grounding pin middle sections (112) and/or the grounding pin tail sections (113) of the plurality of grounding pins (11).
9. Cable connector according to claim 1, wherein each of the first shield plate (13) and the second shield plate (14) is made of metal or conductive plastic.
10. Cable connector according to claim 1, wherein each of the first shield plate (13) and the second shield plate (14) is formed in one piece by stamping.
11. The cable connector according to claim 2 or 6,
the cable (C) penetrates out of one end edge of the insulating frame (10), and the signal pin contact section (121) of the signal pin (12) penetrates out of the other opposite end edge of the insulating frame (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020456229.7U CN211456069U (en) | 2020-04-01 | 2020-04-01 | Cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020456229.7U CN211456069U (en) | 2020-04-01 | 2020-04-01 | Cable connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211456069U true CN211456069U (en) | 2020-09-08 |
Family
ID=72301394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020456229.7U Active CN211456069U (en) | 2020-04-01 | 2020-04-01 | Cable connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211456069U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022083683A1 (en) * | 2020-10-22 | 2022-04-28 | Amphenol Commercial Products (Chengdu) Co., Ltd. | Integrally shielded cable connector |
| CN115347406A (en) * | 2022-08-29 | 2022-11-15 | 中航光电科技股份有限公司 | A kind of cable connector and connector assembly |
| US12212100B2 (en) | 2021-04-30 | 2025-01-28 | Amphenol Corporation | Miniaturized high speed connector |
-
2020
- 2020-04-01 CN CN202020456229.7U patent/CN211456069U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022083683A1 (en) * | 2020-10-22 | 2022-04-28 | Amphenol Commercial Products (Chengdu) Co., Ltd. | Integrally shielded cable connector |
| US12057663B2 (en) | 2020-10-22 | 2024-08-06 | Amphenol Commercial Products (Chengdu) Co., Ltd. | Integrally shielded cable connector |
| US12212100B2 (en) | 2021-04-30 | 2025-01-28 | Amphenol Corporation | Miniaturized high speed connector |
| CN115347406A (en) * | 2022-08-29 | 2022-11-15 | 中航光电科技股份有限公司 | A kind of cable connector and connector assembly |
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