CN113394595B - VNX series backplane connector - Google Patents

VNX series backplane connector Download PDF

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Publication number
CN113394595B
CN113394595B CN202110645907.3A CN202110645907A CN113394595B CN 113394595 B CN113394595 B CN 113394595B CN 202110645907 A CN202110645907 A CN 202110645907A CN 113394595 B CN113394595 B CN 113394595B
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China
Prior art keywords
differential signal
strip
arc
connector
shielding
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CN113394595A (en
Inventor
李雪玲
邓华亮
崔卫红
李翔
乌建辉
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Shenzhen Aidele Electronics Co ltd
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Shenzhen Aidele Electronics Co ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention discloses a technical field of backplane connectors, in particular to VNX series backplane connectors, which adopts the technical scheme that: the connector comprises a first connector shell and a second connector shell, wherein a first differential signal needle is arranged on the first connector shell, and a second differential signal needle is arranged on the second connector shell, and the connector has the beneficial effects that: the first connector shell and the second connector shell are connected through the rotary connecting assembly, so that the connector can be plugged with two male plugs for use and can also be used singly, the first crosstalk-proof shielding assembly and the second crosstalk-proof shielding assembly block and shield the first differential signal pin and the second differential signal pin, crosstalk between the first differential signal pin and the second differential signal pin is avoided, signal transmission is more efficient and stable, and the first crosstalk-proof shielding assembly is convenient to install and dismantle.

Description

VNX series backplane connector
Technical Field
The invention relates to the technical field of backplane connectors, in particular to an VNX series backplane connector.
Background
The backplane connector is a type of connector commonly used for large-scale communication equipment, ultrahigh-performance servers, supercomputers, industrial computers and high-end storage equipment; the single board and the back board are connected, a 90-degree vertical structure is formed between the single board and the back board, and high-speed differential signals or single-ended signals and large current are transmitted.
The existing backplane connector can only be connected one to one, has single functionality, cannot realize that two female plugs simultaneously insert a male plug, and the connector has raised temperature when transmitting signals and large current, and greatly affects the transmission performance of the connector due to mutual crosstalk between differential signal pins.
Therefore, the VNX series backplane connector is necessary.
Disclosure of Invention
Therefore, the VNX series backplane connector is provided, the first connector shell and the second connector shell are connected through the rotary connecting component, so that the VNX series backplane connector can be connected with two female plugs, the reusability is enhanced, the heat dissipation efficiency is improved by dissipating heat of the differential signal pins through the arranged heat dissipation component, the first crosstalk prevention shielding component and the second crosstalk prevention shielding component are arranged to shield the differential signal pins in a disc mode, crosstalk is avoided, and the problems that the conventional backplane connector can only be connected in a one-to-one mode, the function is single, a male plug cannot be inserted into the two female plugs at the same time, the temperature of the connector rises when signals and large currents are transmitted, and the transmission performance of the connector is greatly influenced due to mutual crosstalk between the differential signal pins are solved.
In order to achieve the above purpose, the invention provides the following technical scheme:
VNX series backplane connector, including a first connector housing and a second connector housing, the first connector housing is provided with a first differential signal pin, the second connector housing is provided with a second differential signal pin, the first connector housing is provided with a first cross-shaped jack, the second connector housing is provided with a second cross-shaped jack; further comprising: a rotary connection assembly connecting the first connector housing and the second connector housing; and
a heat dissipating assembly that dissipates heat to the first connector housing and the second connector housing; and
a first crosstalk prevention shield assembly that performs crosstalk prevention on the first connector housing; and
a second crosstalk prevention shield assembly that prevents crosstalk with the second connector housing;
the heat dissipation assembly comprises an arc-shaped plate, first fixing strips are integrally formed on the inner wall of the left end of the arc-shaped plate at equal intervals, second fixing strips are integrally formed on the inner wall of the right end of the arc-shaped plate at equal intervals, a first heat dissipation strip is arranged between every two adjacent groups of the second fixing strips, a second heat dissipation strip is arranged between every two adjacent groups of the first fixing strips, the arc-shaped plate is fixedly connected with a first bearing and a second bearing through a third bolt, the inner wall of the second bearing is sleeved with the first connector shell, and the inner wall of the first bearing is sleeved with the second connector shell;
the rotary connecting assembly comprises a first connecting piece and a second connecting piece, wherein an inserting column and a first annular groove are arranged on the first connecting piece, a ninth internal thread hole is formed in the first connecting piece, a tenth internal thread hole is formed in the inserting column, a second annular groove is formed in the second connecting piece, an annular inserting column is integrally formed in the inner wall of the second connecting piece, an eleventh internal thread hole is formed in the second connecting piece, and a twelfth internal thread hole is formed in the annular inserting column;
first crosstalk-proof shielding subassembly includes difference signal needle shielding separation blade and difference signal needle seal shielding separation blade, difference signal needle shielding separation blade one end is equipped with first arc slot, difference signal needle shielding separation blade other end integrated into one piece is equipped with first arc cutting, bottom integrated into one piece is equipped with the cross shape and inserts the post in the middle of the difference signal needle shielding separation blade, difference signal needle seals shielding separation blade outer wall integrated into one piece and is equipped with first short strip and the short strip of second, first short strip outer wall integrated into one piece is equipped with the second arc cutting, the second arc slot has been seted up on the short strip of second.
Preferably, a first internal thread hole is formed in the first fixing strip, an eighth internal thread hole is formed in the second heat dissipation strip, and the first fixing strip and the second heat dissipation strip are fixed through a first bolt.
Preferably, a third internal thread hole is formed in the second fixing strip, a fourth internal thread hole is formed in the first heat dissipation strip, and the first heat dissipation strip and the second fixing strip are connected through a second bolt.
Preferably, a fifth internal thread hole is formed in the outer wall of the outer ring of the first bearing, a sixth internal thread hole is formed in the second bearing, and a seventh internal thread hole and a second internal thread hole are formed in the arc-shaped plate.
Preferably, the diameter of the insertion column is equal to the inner diameter of the annular insertion column, and the thickness of the annular insertion column is equal to the width of the first annular groove.
Preferably, one end of the first connector housing is provided with a first insertion groove, one end of the second connector housing is provided with a second insertion groove, the inner wall of the first insertion groove is sleeved with the second connecting piece through a bearing, the outer wall of one end of the first connecting piece is inserted into the inner wall of the second insertion groove through a bearing, and the first connecting piece and the second connecting piece are connected through screws.
Preferably, the first arc-shaped slot is matched with the first arc-shaped inserting strip, the cross-shaped inserting column is matched with the first cross-shaped inserting hole, the first heat dissipation strip is always in contact with the first differential signal pin, and the second heat dissipation strip is always in contact with the second differential signal pin.
Preferably, three sides of the first differential signal pin are provided with first cross-shaped jacks, three sides of the second differential signal pin are provided with second cross-shaped jacks, the inner wall of each first cross-shaped jack is connected with the shielding blocking piece of the differential signal pin in an inserting mode, and the shielding blocking piece of the differential signal pin is connected with the inner wall of each first cross-shaped jack in an inserting mode through the corresponding cross-shaped inserting column.
Preferably, it is adjacent differential signal needle shielding separation blade support pegs graft through first arc slot and first arc cutting, the second arc slot with the structure of first arc slot is the same, the second arc cutting with the structure of first arc cutting is the same, the left side the differential signal needle shielding separation blade all with the differential signal needle seals the shielding separation blade and pegs graft, the second anti-crosstalk shielding subassembly with the structure of first anti-crosstalk shielding subassembly is the same, the second anti-crosstalk shielding subassembly with connected mode between the second connector casing with first anti-crosstalk shielding subassembly with connected mode between the first connector casing is the same, differential signal needle shielding separation blade bottom is equipped with ground terminal.
Preferably, a first heat dissipation sheet is integrally formed on the first heat dissipation strip, and a second heat dissipation sheet is integrally formed on the second heat dissipation strip.
The invention has the beneficial effects that:
1. the first connector shell and the second connector shell are connected by arranging the rotary connecting component, so that the plug connector can be plugged with two male plugs and can also be used singly; the first connector shell and the second connector shell can rotate mutually, so that the use is more convenient;
2. through the heat dissipation assembly, the contact area between the first differential signal pin and the second differential signal pin and the outside is greatly increased, so that the heat dissipation speed of the first differential signal pin and the second differential signal pin is increased, and the influence on the signal transmission effect caused by overhigh temperature of the first differential signal pin and the second differential signal pin is avoided;
3. the first differential signal needle and the second differential signal needle are blocked and shielded by the first crosstalk prevention shielding assembly and the second crosstalk prevention shielding assembly, so that crosstalk between the first differential signal needle and the second differential signal needle is avoided, signal transmission is more efficient and stable, and the first crosstalk prevention shielding assembly is convenient to install and remove.
Drawings
Fig. 1 is a schematic structural diagram provided in embodiment 1 of the present invention;
FIG. 2 is a top view of FIG. 1 provided in accordance with example 1 of the present invention;
fig. 3 is a partially broken away view of fig. 2 provided in embodiment 1 of the present invention;
FIG. 4 is an enlarged view of the point A in FIG. 2 according to embodiment 1 of the present invention;
fig. 5 is an enlarged view of B in fig. 3 according to embodiment 1 of the present invention;
fig. 6 is an exploded view of a first crosstalk shield assembly provided in embodiment 1 of the present invention;
fig. 7 is a side view of a shielding plate of the differential signal pin according to embodiment 1 of the present invention;
fig. 8 is an enlarged view of a shielding barrier of a differential signal pin seal according to embodiment 1 of the present invention;
fig. 9 is an enlarged view at C in fig. 8 provided in embodiment 1 of the present invention;
fig. 10 is a top view of a heat dissipation assembly provided in embodiment 1 of the present invention;
fig. 11 is a perspective view of a first connecting member and a second connecting member provided in embodiment 1 of the present invention;
fig. 12 is a top view of a heat dissipation assembly provided in embodiment 2 of the present invention.
In the figure: a first connector housing 1, a first cross-shaped jack 11, a first differential signal pin 12, a first insertion groove 13, a second connector housing 2, a second cross-shaped jack 21, a second differential signal pin 22, a second insertion groove 23, a rotary connection assembly 3, a first connection member 31, an insertion post 311, a ninth internal thread hole 312, a first annular groove 313, a tenth internal thread hole 314, a second annular groove 315, a second connection member 32, an eleventh internal thread hole 321, a twelfth internal thread hole 323, an annular insertion post 324, a second annular groove 325, a heat dissipation assembly 4, a first bolt 40, an arc-shaped plate 41, a seventh internal thread hole 411, a second internal thread hole 412, a second bearing 42, a first bearing 43, a fifth internal thread hole 431, a first fixing strip 44, a first internal thread hole 441, a second heat dissipation strip 45, an eighth internal thread hole 451, a second heat dissipation sheet 452, a first heat dissipation strip 46, a fourth internal thread hole 461, a second heat dissipation strip 32, a second internal thread hole 315, a heat dissipation strip 32, a heat dissipation strip with a heat dissipation strip in a heat dissipation strip heat dissipation plate, The first heat dissipating sheet 462, the second fixing strip 47, the third internal threaded hole 471, the second bolt 48, the third bolt 49, the first crosstalk-proof shielding assembly 5, the differential signal pin shielding barrier 51, the cross-shaped inserting column 511, the first arc-shaped slot 512, the first arc-shaped inserting strip 513, the ground terminal 514, the differential signal pin sealing shielding barrier 52, the second short strip 521, the second arc-shaped slot 5211, the first short strip 522, the second arc-shaped inserting strip 5221, and the second crosstalk-proof shielding assembly 6.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1:
referring to fig. 1 to 11 in the specification, the VNX series backplane connector of this embodiment includes a first connector housing 1 and a second connector housing 2, where the first connector housing 1 is provided with a first differential signal pin 12, the second connector housing 2 is provided with a second differential signal pin 22, the first connector housing 1 is provided with a first cross-shaped jack 11, and the second connector housing 2 is provided with a second cross-shaped jack 21; further comprising: a rotating connection assembly 3 that connects the first connector housing 1 and the second connector housing 2; and
a heat dissipation member 4 for dissipating heat from the first connector housing 1 and the second connector housing 2; and
a first crosstalk prevention shield assembly 5 for preventing crosstalk with respect to the first connector housing 1; and
a second crosstalk prevention shield assembly 6 that performs crosstalk prevention on the second connector housing 2;
the heat dissipation assembly 4 comprises an arc-shaped plate 41, first fixing strips 44 are integrally formed on the inner wall of the left end of the arc-shaped plate 41 at equal intervals, second fixing strips 47 are integrally formed on the inner wall of the right end of the arc-shaped plate 41 at equal intervals, a first heat dissipation strip 46 is arranged between every two adjacent groups of the second fixing strips 47, a second heat dissipation strip 45 is arranged between every two adjacent groups of the first fixing strips 44, the arc-shaped plate 41 is fixedly connected with a first bearing 43 and a second bearing 42 through a third bolt 49, the inner wall of the second bearing 42 is sleeved with the first connector shell 1, and the inner wall of the first bearing 43 is sleeved with the second connector shell 2;
the rotary connecting assembly 3 comprises a first connecting piece 31 and a second connecting piece 32, wherein a splicing column 311 and a first annular groove 313 are arranged on the first connecting piece 31, a ninth internal threaded hole 312 is formed in the first connecting piece 31, a tenth internal threaded hole 314 is formed in the splicing column 311, a second annular groove 325 is formed in the second connecting piece 32, an annular splicing column 324 is integrally formed on the inner wall of the second connecting piece 32, an eleventh internal threaded hole 321 is formed in the second connecting piece 32, and a twelfth internal threaded hole 323 is formed in the annular splicing column 324; the rotation connection assembly 3 functions to connect the first connector housing 1 and the second connector housing 2 together so that they can rotate relative to each other;
first anti-crosstalk shielding subassembly 5 includes that differential signal needle shielding separation blade 51 and differential signal needle seal shielding separation blade 52, differential signal needle shielding separation blade 51 one end is equipped with first arc slot 512, differential signal needle shielding separation blade 51 other end integrated into one piece is equipped with first arc cutting insert 513, bottom integrated into one piece is equipped with cross frame shape and inserts post 511 in the middle of the differential signal needle shielding separation blade 51, differential signal needle seals shielding separation blade 52 outer wall integrated into one piece and is equipped with first short 522 and second short 521, first short 522 outer wall integrated into one piece is equipped with second arc cutting insert 5221, second arc slot 5211 has been seted up on the short 521 of second.
Further, a first internal threaded hole 441 is formed in the first fixing bar 44, an eighth internal threaded hole 451 is formed in the second heat dissipation bar 45, and the first fixing bar 44 and the second heat dissipation bar 45 are fixed by a first bolt 40; the second heat dissipation bar 45 is used for contacting the second differential signal pin 22 to increase the contact area between the second differential signal pin 22 and the outside, so that the heat dissipation speed of the second differential signal pin 22 is increased, and the influence on signal transmission due to the overhigh temperature of the second differential signal pin 22 is avoided.
Further, a third internal threaded hole 471 is formed in the second fixing bar 47, a fourth internal threaded hole 461 is formed in the first heat dissipation bar 46, and the first heat dissipation bar 46 and the second fixing bar 47 are connected through a second bolt 48; the first heat dissipation bar 46 is used for contacting the first differential signal pin 12 to increase the contact area between the first differential signal pin 12 and the outside, so that the heat dissipation speed of the first differential signal pin 12 is increased, and the influence on signal transmission due to the overhigh temperature of the first differential signal pin 12 is avoided.
Further, a fifth internal threaded hole 431 is formed in an outer wall of the outer ring of the first bearing 43, a sixth internal threaded hole 421 is formed in the second bearing 42, and a seventh internal threaded hole 411 and a second internal threaded hole 412 are formed in the arc plate 41.
Further, the diameter of the insertion column 311 is equal to the inner diameter of the annular insertion column 324, and the thickness of the annular insertion column 324 is equal to the width of the first annular groove 313.
Furthermore, a first inserting groove 13 is formed in one end of the first connector housing 1, a second inserting groove 23 is formed in one end of the second connector housing 2, an inner wall of the first inserting groove 13 is sleeved with the second connecting piece 32 through a bearing, an outer wall of one end of the first connecting piece 31 is inserted into an inner wall of the second inserting groove 23 through a bearing, and the first connecting piece 31 is connected with the second connecting piece 32 through a screw.
Further, the first arc-shaped slot 512 is matched with the first arc-shaped inserting strip 513, the cross-shaped inserting column 511 is matched with the first cross-shaped inserting hole 11, the first heat dissipation strip 46 is always in contact with the first differential signal pin 12, and the second heat dissipation strip 45 is always in contact with the second differential signal pin 22.
Further, three sides of the first differential signal pin 12 are provided with first cross-shaped jacks 11, three sides of the second differential signal pin 22 are provided with second cross-shaped jacks 21, the inner walls of the first cross-shaped jacks 11 are connected with the differential signal pin shielding blocking pieces 51 in an inserting mode, and the differential signal pin shielding blocking pieces 51 are connected with the inner walls of the first cross-shaped jacks 11 in an inserting mode through the cross-shaped inserting columns 511.
Further, adjacent to the differential signal pin shielding barrier 51 support is inserted through the first arc slot 512 and the first arc insertion strip 513, the second arc slot 5211 is the same as the first arc slot 512 in structure, the second arc insertion strip 5221 is the same as the first arc insertion strip 513 in structure, the left-most differential signal pin shielding barrier 51 is inserted with the differential signal pin sealing shielding barrier 52, the second crosstalk-proof shielding assembly 6 is the same as the first crosstalk-proof shielding assembly 5 in structure, the second crosstalk-proof shielding assembly 6 is the same as the second connector housing 2 in connection mode as the first crosstalk-proof shielding assembly 5 is connected with the first connector housing 1 in connection mode, and the bottom of the differential signal pin shielding barrier 51 is provided with a ground terminal 514.
The implementation scenario is specifically as follows: when the differential signal pin plugging device is used, one end of a rotary connecting component 31 is inserted into a second plugging groove 23, one end of a second connecting piece 32 is inserted into a first plugging groove 13, the rotary connecting component 31 and the second connecting piece 32 are fixed by bolts after being plugged, three differential signal pin shielding blocking pieces 51 are spliced through a first arc-shaped slot 512 and a first arc-shaped plugging strip 513 on the differential signal pin shielding blocking pieces 51, the three differential signal pin shielding blocking pieces 51 are plugged into a first connector shell through a first cross-shaped jack 11 on the first connector shell 1, and then the differential signal pin sealing shielding blocking piece 52 is spliced on the leftmost differential signal pin shielding blocking piece 51, so that the differential signal pin shielding blocking pieces 51 and the differential signal pin sealing shielding blocking pieces 52 are used for blocking and shielding a first differential signal pin, and crosstalk is reduced; the bottom end of the first connector housing 1 is inserted into the second bearing 42, the second connector housing 2 is inserted into the first bearing 43, and no matter whether the first connector housing 1 and the second connector housing 2 rotate or not, the first heat dissipation strip 46 always keeps contact with the first differential signal pin 12, and the second heat dissipation strip 45 always keeps contact with the second differential signal pin 22, so that the contact area between the first differential signal pin 12 and the second differential signal pin 22 and the outside is increased, and the heat dissipation speed of the first differential signal pin 12 and the second differential signal pin 22 is increased.
Example 2:
referring to the attached fig. 12 of the specification, unlike embodiment 1: a first heat dissipation sheet 462 is integrally formed on the first heat dissipation strip 46, and a second heat dissipation sheet 452 is integrally formed on the second heat dissipation strip 45.
The implementation scenario is specifically as follows: when the differential signal pin plugging device is used, one end of a rotary connecting component 31 is inserted into a second plugging groove 23, one end of a second connecting piece 32 is inserted into a first plugging groove 13, the rotary connecting component 31 and the second connecting piece 32 are fixed by bolts after being plugged, three differential signal pin shielding blocking pieces 51 are spliced through a first arc-shaped slot 512 and a first arc-shaped plugging strip 513 on the differential signal pin shielding blocking pieces 51, the three differential signal pin shielding blocking pieces 51 are plugged into a first connector shell through a first cross-shaped jack 11 on the first connector shell 1, and then the differential signal pin sealing shielding blocking piece 52 is spliced on the leftmost differential signal pin shielding blocking piece 51, so that the differential signal pin shielding blocking pieces 51 and the differential signal pin sealing shielding blocking pieces 52 are used for blocking and shielding a first differential signal pin, and crosstalk is reduced; the bottom end of the first connector housing 1 is inserted into the second bearing 42, the second connector housing 2 is inserted into the first bearing 43, and whether the first connector housing 1 and the second connector housing 2 rotate or not, the first heat dissipation strip 46 always keeps contact with the first differential signal pin 12, the second heat dissipation strip 45 always keeps contact with the second differential signal pin 22, so that the contact area between the first differential signal pin 12 and the second differential signal pin 22 and the outside is increased, the heat dissipation speed of the first differential signal pin 12 and the second differential signal pin 22 is increased, and the contact area between the first differential signal pin 12 and the outside and the contact area between the second differential signal pin 22 and the outside are further increased by the second heat dissipation sheet 452 and the first heat dissipation sheet 462, so that the heat dissipation effect is better.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims (10)

  1. The VNX series backplane connector comprises a first connector shell (1) and a second connector shell (2), and is characterized in that a first differential signal pin (12) is arranged on the first connector shell (1), a second differential signal pin (22) is arranged on the second connector shell (2), a first cross-shaped jack (11) is formed in the first connector shell (1), and a second cross-shaped jack (21) is formed in the second connector shell (2); further comprising: a rotating connection assembly (3) connecting the first connector housing (1) and the second connector housing (2); and
    a heat dissipation assembly (4) for dissipating heat from the first connector housing (1) and the second connector housing (2); and
    a first crosstalk prevention shield assembly (5) for preventing crosstalk with respect to the first connector housing (1); and
    a second crosstalk prevention shield assembly (6) that prevents crosstalk with the second connector housing (2);
    the heat dissipation assembly (4) comprises an arc-shaped plate (41), first fixing strips (44) are formed on the inner wall of the left end of the arc-shaped plate (41) in an integrated mode at equal intervals, second fixing strips (47) are formed on the inner wall of the right end of the arc-shaped plate (41) in an integrated mode at equal intervals, a first heat dissipation strip (46) is arranged between every two adjacent groups of the second fixing strips (47), a second heat dissipation strip (45) is arranged between every two adjacent groups of the first fixing strips (44), the arc-shaped plate (41) is fixedly connected with a first bearing (43) and a second bearing (42) through a third bolt (49), the inner wall of the second bearing (42) is connected with the first connector shell (1) in a sleeved mode, and the inner wall of the first bearing (43) is connected with the second connector shell (2) in a sleeved mode;
    the rotary connecting assembly (3) comprises a first connecting piece (31) and a second connecting piece (32), wherein a plugging column (311) and a first annular groove (313) are arranged on the first connecting piece (31), a ninth internal threaded hole (312) is formed in the first connecting piece (31), a tenth internal threaded hole (314) is formed in the plugging column (311), a second annular groove (325) is formed in the second connecting piece (32), an annular plugging column (324) is integrally formed in the inner wall of the second connecting piece (32), an eleventh internal threaded hole (321) is formed in the second connecting piece (32), and a twelfth internal threaded hole (323) is formed in the annular plugging column (324);
    first anti-crosstalk shielding subassembly (5) seals shielding separation blade (52) including differential signal needle shielding separation blade (51) and differential signal needle, differential signal needle shielding separation blade (51) one end is equipped with first arc slot (512), differential signal needle shielding separation blade (51) other end integrated into one piece is equipped with first arc cutting slips (513), bottom integrated into one piece is equipped with cross frame shape post (511) in the middle of differential signal needle shielding separation blade (51), differential signal needle seals shielding separation blade (52) outer wall integrated into one piece and is equipped with first short strip (522) and second short strip (521), first short strip (522) outer wall integrated into one piece is equipped with second arc cutting slips (5221), second arc slot (5211) have been seted up on the short strip (521) of second.
  2. 2. The VNX-series backplane connector of claim 1, wherein: the first fixing strip (44) is provided with a first internal thread hole (441), the second heat dissipation strip (45) is provided with an eighth internal thread hole (451), and the first fixing strip (44) and the second heat dissipation strip (45) are fixed through a first bolt (40).
  3. 3. The VNX-series backplane connector of claim 1, wherein: a third internal threaded hole (471) is formed in the second fixing strip (47), a fourth internal threaded hole (461) is formed in the first heat dissipation strip (46), and the first heat dissipation strip (46) is connected with the second fixing strip (47) through a second bolt (48).
  4. 4. The VNX-series backplane connector of claim 1, wherein: the outer wall of the outer ring of the first bearing (43) is provided with a fifth internal threaded hole (431), the second bearing (42) is provided with a sixth internal threaded hole (421), and the arc-shaped plate (41) is provided with a seventh internal threaded hole (411) and a second internal threaded hole (412).
  5. 5. The VNX-series backplane connector of claim 1, wherein: the diameter of the insertion column (311) is equal to the inner diameter of the annular insertion column (324), and the thickness of the annular insertion column (324) is equal to the width of the first annular groove (313).
  6. 6. The VNX-series backplane connector of claim 1, wherein: first inserting groove (13) have been seted up to first connector housing (1) one end, second inserting groove (23) have been seted up to second connector housing (2) one end, first inserting groove (13) inner wall cup joints through the bearing second connecting piece (32), first connecting piece (31) one end outer wall passes through the bearing and pegs graft second inserting groove (23) inner wall, first connecting piece (31) with second connecting piece (32) are connected through the screw.
  7. 7. The VNX-series backplane connector of claim 1, wherein: the first arc-shaped slot (512) is matched with the first arc-shaped inserting strip (513), the cross-shaped inserting column (511) is matched with the first cross-shaped inserting hole (11), the first heat dissipation strip (46) is always in contact with the first differential signal pin (12), and the second heat dissipation strip (45) is always in contact with the second differential signal pin (22).
  8. 8. The VNX-series backplane connector of claim 1, wherein: three sides of the first differential signal needle (12) are provided with first cross-shaped jacks (11), three sides of the second differential signal needle (22) are provided with second cross-shaped jacks (21), the inner wall of each first cross-shaped jack (11) is connected with a shielding baffle sheet (51) of the differential signal needle in an inserting mode, and the shielding baffle sheet (51) of the differential signal needle passes through the cross-shaped inserting columns (511) and the inner wall of each first cross-shaped jack (11).
  9. 9. The VNX-series backplane connector of claim 1, wherein: the adjacent differential signal pin shielding blocking piece (51) bracket is spliced with a first arc-shaped inserting strip (513) through a first arc-shaped inserting groove (512), the second arc-shaped slot (5211) and the first arc-shaped slot (512) have the same structure, the second arc-shaped inserting strip (5221) and the first arc-shaped inserting strip (513) have the same structure, the shielding blocking piece (51) of the differential signal pin at the leftmost side is inserted with the sealing shielding blocking piece (52) of the differential signal pin, the second crosstalk prevention shielding component (6) has the same structure as the first crosstalk prevention shielding component (5), the connection mode between the second anti-crosstalk shielding component (6) and the second connector shell (2) is the same as the connection mode between the first anti-crosstalk shielding component (5) and the first connector shell (1), and a grounding terminal (514) is arranged at the bottom of the differential signal pin shielding baffle sheet (51).
  10. 10. The VNX-series backplane connector of claim 1, wherein: a first radiating sheet (462) is integrally formed on the first radiating strip (46), and a second radiating sheet (452) is integrally formed on the second radiating strip (45).
CN202110645907.3A 2021-06-09 2021-06-09 VNX series backplane connector Active CN113394595B (en)

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CN210489984U (en) * 2019-11-04 2020-05-08 深圳市西点精工技术有限公司 High-speed backplane connector
CN112382900A (en) * 2020-11-03 2021-02-19 天长市绿普尔电子有限公司 Electric vehicle charger with heat dissipation protection function
CN212626238U (en) * 2020-09-15 2021-02-26 陈婷婷 Communication connector with high heat dissipation performance
CN112886335A (en) * 2021-03-18 2021-06-01 孙云 Big data computer machine case socket

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DE102015102703B4 (en) * 2015-02-25 2020-06-25 Phoenix Contact Gmbh & Co. Kg Shielded electrical connector and manufacturing process

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6554641B1 (en) * 2001-12-26 2003-04-29 Hon Hai Precision Ind. Co., Ltd. Stacked connector assembly
CN104577398A (en) * 2013-10-11 2015-04-29 泰科电子公司 Electrical connector having connector shroud
CN107732494A (en) * 2016-08-12 2018-02-23 东莞莫仕连接器有限公司 Backpanel connector system
CN207381599U (en) * 2017-11-02 2018-05-18 唐山云时代网络科技有限公司 A kind of novel information SIU system interface unit
CN210489984U (en) * 2019-11-04 2020-05-08 深圳市西点精工技术有限公司 High-speed backplane connector
CN110718815A (en) * 2019-11-12 2020-01-21 深圳市西点精工技术有限公司 Back panel connector
CN212626238U (en) * 2020-09-15 2021-02-26 陈婷婷 Communication connector with high heat dissipation performance
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CN112886335A (en) * 2021-03-18 2021-06-01 孙云 Big data computer machine case socket

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