CN209607935U - High speed rear panel connector and its bottom cover - Google Patents
High speed rear panel connector and its bottom cover Download PDFInfo
- Publication number
- CN209607935U CN209607935U CN201920367019.8U CN201920367019U CN209607935U CN 209607935 U CN209607935 U CN 209607935U CN 201920367019 U CN201920367019 U CN 201920367019U CN 209607935 U CN209607935 U CN 209607935U
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- China
- Prior art keywords
- terminal
- high speed
- rear panel
- bottom cover
- elongated slot
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Abstract
The utility model discloses a kind of High speed rear panel connector comprising have multiple terminal modules and one be installed on the terminal module bottom bottom cover.The bottom cover has an elongated slot of a plurality of parallel upper and lower surface through the bottom cover, the corresponding Terminals Die group of each elongated slot, in the Terminals Die group grounding leg and signal pins pass through；It is each formed at least a pair of of convex closure, in each elongated slot to clamp the feather edge of one of ground terminal in the Terminals Die group.The utility model High speed rear panel connector is by being arranged the bottom cover, and the bottom cover is connected with many ground terminals, to export interference signal by the ground terminal, when the High speed rear panel connector is when transmitting two-forty signal, signal cross-talk phenomenon will be greatly reduced.
Description
Technical field
The utility model relates to a kind of connector technique fields, in particular to a kind of High speed rear panel connector and its bottom
Lid reduces the signal cross-talk of High speed rear panel connector by bottom cover, improves two-forty signal transmission quality.
Background technique
High speed rear panel connector is widely used in the communication technology, it is large-scale communication apparatus, very-high performance server and huge
Commonly a kind of connector, main function are to connect motherboard and daughter board for type computer, industrial computer, high-end storage equipment,
At 90 degree of vertical structures between motherboard and daughter board, high-speed differential signal or single-ended signal and transmitting high current are transmitted.
With the continuous improvement of the communication technology, the requirement for message transmission rate is also higher and higher.High speed rear panel connection
The bridge that device is transmitted as signal between motherboard and daughter board, plays a crucial role the communication between plate grade.
Therefore it needs to increase the technical research to High speed rear panel connector, meets the high-speed requirement of high-speed communication system.
Utility model content
The main purpose of the utility model is to provide a kind of High speed rear panel connector, a bottom cover is set, by the bottom cover with
At least part ground terminal is connected, so that interference signal is exported by the ground terminal, when the High speed rear panel connector exists
When transmitting two-forty signal, signal cross-talk phenomenon will be greatly reduced.
The another object of the utility model is to provide a kind of bottom cover, is provided with elongated slot and convex closure, can install supreme
On fast back panel connector, the signal cross-talk of High speed rear panel connector is reduced, improves two-forty signal transmission quality.
The other objects and advantages of the utility model can be obtained from the technical characteristic disclosed by the utility model into one
The understanding of step.
In order to achieve the above object, the utility model adopts the following technical solution: a kind of High speed rear panel connector includes multiple
Laid out in parallel and the terminal module being fixed together and one be installed on the terminal module bottom bottom cover.Each terminal module
It include an Insulating frame and the terminal assemblies in the Insulating frame；Wherein the terminal assemblies include multiple
Ground terminal and multipair difference signal terminal；A pair of of difference signal terminal is arranged between every two adjacently terminal；It is each
It all include that there are two difference signal terminals to difference signal terminal；Each ground terminal all has a L-shaped base portion, a formation
In the base portion one end ground connection docking section, one be formed in the base portion other end feather edge and at least one from the feather edge to
The grounding leg extended vertically down；Each difference signal terminal all has a L-shaped main part, one is formed in the main part one end
Signal docking section, one be formed in the lower edge of the main part other end and letter that one extends downwards vertically from the lower edge
Number foot；Wherein the signal pins of each terminal module and grounding leg are horizontally arranged in alignment.The bottom cover has a plurality of parallel
The upper and lower surface through the bottom cover elongated slot, each elongated slot correspond to a Terminals Die group, for connecing in the Terminals Die group
Lower margin and signal pins pass through；It is each formed at least a pair of of convex closure, in each elongated slot to clamp wherein one in the Terminals Die group
The feather edge of a ground terminal.
In one embodiment, which is in tabular.
In one embodiment, each elongated slot includes multiple width portions and multiple narrow portions, the width portion and the narrow portion
It is alternatively arranged, so that the elongated slot constitutes chain；At least a pair of of convex closure is formed in one of narrow portion；And it each connects
The grounding leg of ground terminal passes through the narrow portion of corresponding elongated slot, and its lower edge is contained in the narrow portion, and at least part
The lower edge of ground terminal is clamped by corresponding convex closure；And the signal pins of the difference signal terminal then pass through corresponding length
The wide portion of slot, and its lower edge is located in the width portion, but is not formed and connected with the width portion.
In one embodiment, the ground terminal at the both sides position of the terminal assemblies all has a ground connection
Foot, and the ground terminal for being located at the middle position of the terminal assemblies then all has two grounding legs separated by a distance.
In one embodiment, wide portion, four narrow portions and two pairs of convex closures there are three each elongated slot tools, described two
Convex closure is formed in two centrally located narrow portions, is located at interposition for clamping and connecting in same terminal assemblies
Set the feather edge of two ground terminals at place.
In one embodiment, which is metal material.
In one embodiment, which is made of absorbing material or insulating material.
In one embodiment, each terminal module further includes having an earth plate for being installed on the Insulating frame side,
The earth plate is connected with the ground terminal in the terminal module.
In one embodiment, which is located in a perpendicular, the ground terminal and difference letter
Number terminal is respectively positioned in the perpendicular；The width of each ground terminal is substantially all the width greater than each difference signal terminal
Degree.
The utility model also provides a kind of bottom cover, can install to the bottom of a High speed rear panel connector.The bottom cover has
The a plurality of parallel elongated slot through its upper and lower surface is each formed at least a pair of of convex closure in each elongated slot, can clamp the height
The ground terminal of fast back panel connector, and formed and connected with the ground terminal；Wherein the bottom cover is by metal material, inhales wave material
Material or insulating materials are made.
Compared to the prior art, the utility model High speed rear panel connector is by being arranged the bottom cover, and by the bottom cover
It is connected with many ground terminals, so that interference signal is exported by ground terminal, when the High speed rear panel connector is in transmission high speed
When rate signal, signal cross-talk phenomenon will be greatly reduced.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model High speed rear panel connector.
Fig. 2 is the schematic perspective view in another direction of the utility model High speed rear panel connector.
Fig. 3 is that the part-structure of the utility model High speed rear panel connector disassembles schematic diagram.
Fig. 4 is the structural schematic diagram of High speed rear panel connector in another direction shown in Fig. 3.
Fig. 5 is the structural schematic diagram of a wherein terminal module for the utility model High speed rear panel connector.
Fig. 6 is the structural schematic diagram of terminal module in another direction shown in Fig. 5.
Fig. 7 is the disassemblying structure schematic diagram of terminal module shown in Fig. 5.
Fig. 8 is the bottom cover structure schematic of the utility model High speed rear panel connector.
Fig. 9 is the enlarged diagram of the bottom plane structure of the utility model High speed rear panel connector.
Figure 10 is the bottom structure enlarged diagram of the utility model High speed rear panel connector.
The reference numerals are as follows in above-mentioned attached drawing:
1 terminal module 10 of High speed rear panel connector
11 terminal assemblies 12 of Insulating frame
13 ground terminal 14 of earth plate, 14a, 14b
Base portion 140 is grounded docking section 141
142 grounding leg 143 of feather edge
15 main part 150 of difference signal terminal
151 lower edge 152 of signal docking section
153 bottom cover 20 of signal pins
The wide portion 210 of elongated slot 21
211 convex closure 22 of narrow portion
30 perpendicular 40 of fixed plate.
Specific embodiment
The explanation of following embodiment is to can be used to the specific reality of implementation to illustrate the utility model with reference to additional schema
Apply example.The direction term that the utility model is previously mentioned, such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom"
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the utility model, rather than
To limit the utility model.
It please refers to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, the utility model High speed rear panel connector 1 is a right angle receptacle connection
Device, plugging direction are parallel to the horizontal circuit boards (not shown) being mounted thereon for the High speed rear panel connector 1.The high speed
Back panel connector 1 includes multiple from left to right laid out in parallel and the terminal module 10 and one that is fixed together is installed on these
The bottom cover 20 of 10 lower section of terminal module.
In the present embodiment, which further includes having a L-type fixed plate 30(label to see Fig. 1), it is installed on
The rear end of these terminal modules 10, for these terminal modules 10 are fixed together.In fact, the High speed rear panel connector 1
Further include having a generally U-shaped insulation shell (not shown), the front end of these terminal modules 10 is installed on, for fixing these ends
The front end of submodule 10.
As shown in Fig. 5, Fig. 6, Fig. 7, each terminal module 10 includes that an Insulating frame 11 and one is located at the insulation
Terminal assemblies 12 in frame 11.In Fig. 7, for the clear structure for showing the terminal assemblies 12, by the terminal assemblies 12 and it is somebody's turn to do
The dismantling of Insulating frame 11 is come.In fact, the terminal assemblies 12 with the Insulating frame 11 are combined as a whole by injection molding.
In the present embodiment, each terminal module 10 further includes having an earth plate 13 for being installed on 11 side of Insulating frame.The ground connection
Plate 13 is detachably accepted to the side of the Insulating frame 11, to provide electromagnetic shielding action.And in other embodiments, it should
Terminal module 10 is also provided with a metal plate (not shown), is removably mounted on the other side of the Insulating frame 11, with
Further provide for electromagnetic shielding action.
As shown in fig. 7, the terminal assemblies 12 are located in a perpendicular 40, which includes multiple positioned at this
Ground terminal 14 and the multipair difference signal terminal 15 in the perpendicular 40 in perpendicular 40.In every two-phase
A pair of of difference signal terminal 15 is adjacently arranged between terminal 14.Also that is, every a pair of of difference signal terminal 15 top and
Lower section is arranged a ground terminal 14.In the present embodiment, which includes four grounded terminal 14 and three pairs
Difference signal terminal 15.Every a pair of difference signal terminal 15 difference signal terminal 15 all including there are two, and each ground terminal
14 width is substantially all the width greater than each difference signal terminal 15.In the present embodiment, the earth plate 13 and the terminal
Ground terminal 14 in component 12 is connected.
As shown in fig. 7, each ground terminal 14, which all has a substantially L-shaped base portion 140, one, is formed in the base portion 140
The ground connection docking section 141, one of one end is formed in the feather edge 142 and at least one of 140 other end of base portion from the feather edge
142 grounding legs 143 extended vertically downwards.Wherein the ground connection docking section 141 extends forward, and formed jerk-finger structure in order to
It is connected with docking connector；And the grounding leg 143 then vertical extension downwards.In the present embodiment, a part of ground terminal 14 has
There is a grounding leg 143, and another part ground terminal 14 then has that there are two grounding legs 143.For example, being located at the terminal assemblies 12
Both sides position at ground terminal 14a all have a grounding leg 143, and be located at the middle position of the terminal assemblies 12
Ground terminal 14b then all has two grounding legs 143 separated by a distance.Therefore, the position of the grounding leg 143 and quantity
It can be arranged and be adjusted according to circuit board.
As shown in fig. 7, each difference signal terminal 15, which all has a substantially L-shaped main part 150, one, is formed in the master
The signal docking section 151, one of 150 one end of body portion is formed in the lower edge 152 and one of 150 other end of main part under this
The signal pins 153 that edge 152 extends downwards vertically.Wherein the signal docking section 151 is resilient finger-like, in order to be connected
Device docking；And the signal pins 153 then vertical extension downwards.
As shown in fig. 7, in the terminal assemblies 12, the signal pins 153 of all difference signal terminals 15 and all ground terminals
The grounding leg 143 of son 14 is horizontally arranged in alignment.
Referring to shown in Fig. 6, Fig. 7, in the terminal module 10, the base portion 140 of each ground terminal 14 with it is each
The main part 150 of signal terminal is respectively positioned in the Insulating frame 11, and the feather edge 142 of each ground terminal 14 and each difference
The lower edge 152 of signal terminal 15 stretches out except the bottom of the Insulating frame 11, to prepare to cooperate with the bottom cover 20；And it is every
One grounding leg 143 and each signal pins 153, which are also extended downwardly from the bottom of the Insulating frame 11, to be exposed to outside, to prepare and the external world
Horizontal circuit boards connection.
As shown in figure 4, the terminal supportor (including signal pins 153 and grounding leg 143) of all terminal modules 10 be arranged in it is a plurality of
Parallel straight line.
As shown in figure 8, the bottom cover 20 is in tabular, there is a plurality of parallel elongated slot 21, each elongated slot 21 is one corresponding
Terminal module 10, more particularly, the terminal assemblies 12(on the corresponding terminal module 10 of each elongated slot 21 are shown in Fig. 5), it can
It is passed through for the grounding leg 143 and signal pins 153 of the terminal module 10.Each elongated slot 21 runs through the upper and lower surface of the bottom cover 20,
And at least a pair of of convex closure 22 is each formed in each elongated slot 21, for clamping the wherein ground terminal in the terminal assemblies 10
14 feather edge 142.Further, since the convex closure 22 is formed in the elongated slot 21, so the width of elongated slot 21 here subtracts
It is small, to form neck shape.
In the present embodiment, described as shown in figure 8, each elongated slot 21 includes multiple wide portions 210 and multiple narrow portions 211
Wide portion 210 and the narrow portion 211 are alternatively arranged, so that the elongated slot 21 constitutes chain.At least a pair of of convex closure 22 is formed in
In one of narrow portion 211.
In particular, as shown in figure 8, being each formed with two pairs of convex closures 22 in each elongated slot 21.Each elongated slot 21 has three
A wide portion 210 and four narrow portions 211, two pairs of convex closures 22 are formed in two of them narrow portion 211, are especially formed at position
In in two narrow portions 211 in middle position.Certainly, the utility model can also change convex closure 22, wide portion 210 according to the design needs
Quantity and position with narrow portion 211.
In the present embodiment, which is metal material.Certain bottom cover 20 can also be absorbing material；Or insulation
Body, such as plastics.
As shown in Figure 9, Figure 10, specific manifestation goes out terminal module 10 described in the High speed rear panel connector 1 and the bottom
The state that lid 20 matches.The grounding leg 143 of the ground terminal 14 on each terminal module 10 and the differential signal end
The signal pins 153 of son 15 both pass through corresponding elongated slot 21, and the bottom edge of the ground terminal 14 on the terminal module 10
Edge 142 and the lower edge of the difference signal terminal 15 152 are contained in the elongated slot 21.Every a pair in each elongated slot 21
Convex closure 22 is used to clamp the feather edge 142 of corresponding ground terminal 14, to connect the bottom cover 20 and the ground terminal 14, from
And export interference signal by the ground terminal 14, inhibit electromagnetic interference.
More particularly, the grounding leg 143 of each ground terminal 14 both passes through the narrow portion 211 of corresponding elongated slot 21, and
Its lower edge 152 is contained in the narrow portion 211；The lower edge 152 of at least part ground terminal 14 is by corresponding convex closure
22 clampings；And the signal pins 153 of the difference signal terminal 15 then pass through the wide portion 210 of corresponding elongated slot 21, and it is following
Edge 152 is only located in the wide portion 210, and is not formed and connected with the wide portion 210.
In the present embodiment, two pairs of convex closures 22 in each elongated slot 21 are used to clamp and connect in same terminal assemblies 12
Centrally located place two ground terminals 14 feather edge 142.Through detecting, the High speed rear panel connector of the present embodiment
1 when transmitting high-speed (such as 10GHz) signal, and signal cross-talk phenomenon will be greatly reduced.
In conclusion the utility model High speed rear panel connector 1 is by being arranged the bottom cover 20, and by the bottom cover 20 with
Many ground terminals 14 are connected, so that interference signal is exported by ground terminal 14, when the High speed rear panel connector 1 is high in transmission
When rate signal, signal cross-talk phenomenon will be greatly reduced.
Claims (10)
1. a kind of High speed rear panel connector, it is characterised in that: include multiple laid out in parallel and the terminal module that is fixed together
And one be installed on the terminal module bottom bottom cover；
Each terminal module includes an Insulating frame and the terminal assemblies in the Insulating frame；The wherein end
Sub-component includes multiple ground terminals and multipair difference signal terminal；Arrangement is a pair of poor between every two adjacently terminal
Sub-signal terminal；Every a pair of difference signal terminal all includes that there are two difference signal terminals；Each ground terminal all has one in L
The base portion of type, one are formed in the ground connection docking section of the base portion one end, one are formed in the feather edge and at least of the base portion other end
One grounding leg extended vertically downwards from the feather edge；Each difference signal terminal all has a L-shaped main part, a formation
In the main part one end signal docking section, one be formed in the main part other end lower edge and one from the lower edge to
The signal pins extended vertically down；Wherein the signal pins of each terminal module and grounding leg are horizontally arranged in alignment；
The bottom cover has the elongated slot of a plurality of parallel upper and lower surface through the bottom cover, and each elongated slot corresponds to a Terminals Die
Group, in the Terminals Die group grounding leg and signal pins pass through；It is each formed at least a pair of of convex closure, in each elongated slot with folder
Hold the feather edge of one of ground terminal in the Terminals Die group.
2. High speed rear panel connector as described in claim 1, it is characterised in that: the bottom cover is in tabular.
3. High speed rear panel connector as claimed in claim 2, it is characterised in that: each elongated slot includes multiple width portions and multiple
Narrow portion, the width portion and the narrow portion are alternatively arranged, so that the elongated slot constitutes chain；At least a pair of of convex closure is formed in it
In in a narrow portion；And
The grounding leg of each ground terminal passes through the narrow portion of corresponding elongated slot, and its lower edge is contained in the narrow portion, and
The lower edge of at least part ground terminal is clamped by corresponding convex closure；And the signal pins of the difference signal terminal then pass through
The wide portion of corresponding elongated slot, and its lower edge is located in the width portion, but is not formed and connected with the width portion.
4. High speed rear panel connector as claimed in claim 3, it is characterised in that: at the both sides position of the terminal assemblies
Ground terminal all has a grounding leg, and the ground terminal for being located at the middle position of the terminal assemblies then all has two phases
Grounding leg at a certain distance.
5. High speed rear panel connector as claimed in claim 4, it is characterised in that: there are three wide portions, four narrow for each elongated slot tool
Portion and two pairs of convex closures, two pairs of convex closures are formed in two centrally located narrow portions, same for clamping and connecting
The feather edge of two ground terminals at the centrally located place in one terminal assemblies.
6. High speed rear panel connector as described in claim 1, it is characterised in that: the bottom cover is metal material.
7. High speed rear panel connector as described in claim 1, it is characterised in that: the bottom cover is by absorbing material or insulator
Material is made.
8. High speed rear panel connector as described in claim 1, it is characterised in that: each terminal module further includes having one to be installed on
The earth plate of the Insulating frame side, the earth plate are connected with the ground terminal in the terminal module.
9. High speed rear panel connector as described in claim 1, it is characterised in that: the terminal assemblies are located in a perpendicular,
The ground terminal and the difference signal terminal are respectively positioned in the perpendicular；
The width of each ground terminal is substantially all the width greater than each difference signal terminal.
10. a kind of bottom cover can be installed to the bottom of a High speed rear panel connector, it is characterised in that: the bottom cover has a plurality of flat
The capable elongated slot through its upper and lower surface is each formed at least a pair of of convex closure in each elongated slot, can clamp the High speed rear panel
The ground terminal of connector, and formed and connected with the ground terminal；Wherein the bottom cover be by metal material, absorbing material or absolutely
Edge material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920367019.8U CN209607935U (en) | 2019-03-22 | 2019-03-22 | High speed rear panel connector and its bottom cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920367019.8U CN209607935U (en) | 2019-03-22 | 2019-03-22 | High speed rear panel connector and its bottom cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209607935U true CN209607935U (en) | 2019-11-08 |
Family
ID=68405164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920367019.8U Active CN209607935U (en) | 2019-03-22 | 2019-03-22 | High speed rear panel connector and its bottom cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209607935U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841981A (en) * | 2019-03-22 | 2019-06-04 | 欧品电子(昆山)有限公司 | High speed rear panel connector and its bottom cover |
| CN110838635A (en) * | 2019-11-14 | 2020-02-25 | 立讯精密工业股份有限公司 | Electrical connector |
-
2019
- 2019-03-22 CN CN201920367019.8U patent/CN209607935U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841981A (en) * | 2019-03-22 | 2019-06-04 | 欧品电子(昆山)有限公司 | High speed rear panel connector and its bottom cover |
| CN109841981B (en) * | 2019-03-22 | 2024-02-23 | 欧品电子(昆山)有限公司 | High-speed backboard connector and bottom cover thereof |
| CN110838635A (en) * | 2019-11-14 | 2020-02-25 | 立讯精密工业股份有限公司 | Electrical connector |
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