CN115377760A

CN115377760A - Shielding cover module and high-speed backplane connector with same

Info

Publication number: CN115377760A
Application number: CN202211307663.9A
Authority: CN
Inventors: 牛林; 邓瑞林; 唐四明
Original assignee: Shenzhen West Point Precision Technology Co ltd
Current assignee: Shenzhen West Point Precision Technology Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2022-11-22
Anticipated expiration: 2042-10-25
Also published as: CN115377760B

Abstract

The invention discloses a shielding cover module and a high-speed backplane connector with the same, relates to the technical field of connectors, and solves the problem of poor shielding effect of the existing connector.

Description

Shielding cover module and high-speed backplane connector with same

Technical Field

The invention relates to the technical field of connectors, in particular to a shielding cover module and a high-speed backplane connector with the shielding cover module.

Background

High-speed backplane connectors are part of typical electronic systems to which modules are physically connected. Complex systems rely on wires, traces and connectors on the backplane to handle the large volume of high-speed data streams. The high-speed backplane connector plays an important role in communication among a plurality of backplane modules, and due to structural limitation, crosstalk between differential signal pairs is severe in the high-speed backplane connector, so that great influence is caused on the transmission quality of signals. With the improvement of the transmission rate of the backplane connector, in order to ensure that the connector has a good return path and less crosstalk, the signal return path is shortened and the high-speed performance is improved by changing the structure of the shielding plate and the contact mode of the shielding plate in the insertion area.

As shown in fig. 6, a female end grounding contact element a extends out of the insertion area of the backplane connector to be inserted into and contacted with a matched male end grounding contact element b, a female end shielding sheet c is arranged on the backplane connector opposite to the female end grounding contact element a, the female end shielding sheet c overhangs to the insertion area, a front elastic claw d and a rear elastic claw d are formed at positions corresponding to the male end grounding contact element b, and the elastic claws d and the male end grounding contact element b are elastically pressed, namely, the male end grounding contact element b is clamped between the female end shielding sheet c and the female end grounding contact element a. According to the connector structure, the front and the rear elastic electric shocks are arranged on the female end shielding sheet c, so that short piles of the male end grounding contact member are reduced, a backflow path is shortened, and the problems of insertion loss and crosstalk resonance of the high-speed backplane connector are solved. However, the two front and rear elastic contacts are located on the same cantilever, and a problem that when one of the two contacts is in elastic contact with the male-end grounding contact piece in the use process, the female-end shielding sheet c is elastically deformed, so that the other contact cannot be reliably contacted with the male-end grounding contact piece is caused, and the shielding performance is affected.

Disclosure of Invention

The present invention is directed to a shielding module with good shielding effect and a high-speed backplane connector having the shielding module, so as to solve the problems in the background art.

In order to achieve the above object, the present invention provides a shielding cover module, which is applied to a high-speed backplane connector and includes a plurality of shielding members and a plurality of female-end grounding contact members, which are mounted on a female-end connector, wherein the plurality of female-end grounding contact members and the plurality of shielding members are mutually matched and equidistantly distributed on the female-end connector;

the shielding part includes shield plate and a plurality of shielding strip, shield plate and a plurality of the shielding strip all is fixed with female end connector outer end, just on the shield plate equidistantly open have a plurality ofly with the corresponding opening of shielding strip, the opening internal fixation has the contact plate.

Preferably, the outer end of shielding strip is fixed with the U type and presss from both sides, just the U type presss from both sides and stretches out the opening, the bottom that the U type pressed from both sides is fixed with the piece of supporting that the contact plate outer wall laminated mutually, and the design that the U type pressed from both sides makes can be very convenient offset the contact plate for the contact is more stable.

Preferably, the outer end of the U-shaped clamp and the outer end of the contact plate are both elastic contacts, and the elastic contacts can be in better contact with the grounding contact piece.

Preferably, shielding strip, shield plate electrical property switch on, can be better form comparatively complete shielding in the position department of plugging together like this, promoted the shielding effect.

Preferably, the shielding strip and the shielding plate are integrated at the outer end of the female connector to form an independent module, so that the modular arrangement of the high-speed backplane connector is facilitated, and the assembly and disassembly are convenient.

Preferably, the contact ends of the U-shaped clamp and the contact plate are inclined towards the same direction, and the contact plate is provided with an abutting opening matched with the abutting block at the outer side, so that the contact plate is adjusted more stably.

A high-speed backplane connector comprises a female end connector, a male end connector and a shielding cover module, wherein the shielding cover module is arranged at the plug-in end of the female end connector, and the male end connector is plugged in the female end connector;

the male end connector comprises a male end plugging sleeve and a plurality of male end signal contact elements inserted into the male end plugging sleeve, and a male end grounding contact element is fixed at the front section of each male end signal contact element.

Preferably, the butt joint shell is installed at the inserting end of the female end connector, butt joint sleeves are fixed at two ends of the butt joint shell, plug boards are fixed at positions, corresponding to the butt joint sleeves, of the outer sides of the male end plug sleeves, and the male end plug sleeves are more stable after being inserted due to the design of the butt joint sleeves and the plug boards.

Preferably, the socket is formed in the inner sides of the two ends of the male end plug bush, the adjusting groove is formed in the socket, the adjusting piece matched with the adjusting groove is installed in the shielding piece, and the designed adjusting piece can effectively press the U-shaped clamp down, so that the U-shaped clamp and the contact plate can be stably butted with the grounding contact piece.

Preferably, the regulating part is including fixed the regulation pole that runs through in a plurality of U types press from both sides on same shield plate, the both ends of adjusting the pole all are fixed with the regulating plate, two the outside of regulating plate be fixed with the arch of adjustment tank looks adaptation, the regulating part of design can be stable press from both sides a plurality of U types and finely tune.

Preferably, the outer end intercommunication of adjustment tank has the guide way, just the adjustment tank is the chute of slope, the design of guide way for more convenient butt joint.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the existing shielding module is optimized, and the designed shielding piece and the female end grounding contact piece are in inserted contact with the male end grounding contact piece, so that short piles of the male end grounding contact piece are reduced, a backflow path is shortened, the problems of insertion loss and crosstalk resonance of the high-speed backplane connector are solved, meanwhile, the U-shaped clamp and the contact plate which are designed in the shielding piece are matched with each other, the problem that one end of the shielding plate is not contacted after being deformed can be avoided, and the shielding effect is more stable.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the male and female ends of the present invention after being disassembled;

FIG. 3 is a schematic view of the female terminal and shield structure of the present invention;

FIG. 4 is a partial cross-sectional structural view of the shield of the present invention;

FIG. 5 is a rear side view, partially in section, of a single shield of the present invention;

fig. 6 is a side view of a prior art shielding structure.

In the figure: 1-a shield; 2-a female end ground contact; 3-a shielding plate; 4-a shielding strip; 5-opening; 6-contact plate; 7-U-shaped clips; 8-a resisting block; 9-butting mouth; 10-female end connector; 11-male end connector; 12-male end plug bush; 13-male signal contact; 14-male ground contact; 15-a docking shell; 16-a docking sleeve; 17-a plugboard; 18-a socket; 19-an adjustment tank; 20-an adjustment member; 21-adjusting the rod; 22-an adjusting plate; 23-a bump; 24-guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 2-5, a shielding cover module shown in the drawings is applied to a high-speed backplane connector, and includes a plurality of shielding members 1 and a plurality of female grounding contacts 2 mounted on a female connector 10, where the plurality of female grounding contacts 2 and the plurality of shielding members 1 are matched with each other and equally distributed on the female connector 10;

the shielding part 1 comprises a shielding plate 3 and a plurality of shielding strips 4, the shielding plate 3 and the shielding strips 4 are fixed with the outer end of the female-end connector 10, a plurality of openings 5 corresponding to the shielding strips 4 are formed in the shielding plate 3 at equal intervals, and contact plates 6 are fixed in the openings 5;

it should be noted that: by designing the shielding strip 4 and the contact plate 6 to be respectively contacted with the male end grounding contact piece 14, two contact ends do not share one cantilever, so that the phenomenon that one end is contacted with the other end and is not contacted can not easily occur after the insertion deformation.

It is worth noting that: the shielding strip 4 and the shielding plate 3 are electrically conducted, so that the insertion position can be better shielded completely, and the shielding effect is improved.

Meanwhile, the shielding strip 4 and the shielding plate 3 are integrated at the outer end of the female-end connector 10 to form an independent module, so that the modularized arrangement of the high-speed backplane connector is facilitated, and the high-speed backplane connector is convenient to disassemble and assemble.

In the present disclosure, please refer to fig. 1 to 5, a high-speed backplane connector includes a female connector 10, a male connector 11 and a shielding cover module, wherein the shielding cover module is installed at the plugging end of the female connector 10, and the male connector 11 is plugged into the female connector 10;

the male end plug-in connector 11 comprises a male end plug-in sleeve 12 and a plurality of male end signal contact elements 13 inserted into the male end plug-in sleeve 12, and a male end grounding contact element 14 is fixed at the front section of each male end signal contact element 13;

it should be noted that: the problems of insertion loss and crosstalk resonance are solved by butting the male end plug bush 12 with the female end plug 10 and then inserting the male end grounding contact 14 between the shielding plate 3 and the female end grounding contact 2.

Referring to fig. 1-4, a docking shell 15 is mounted at the plugging end of the female connector 10, docking sleeves 16 are fixed at both ends of the docking shell 15, and a plugging plate 17 is fixed at a position corresponding to the docking sleeves 16 at the outer side of the male connector 12;

it should be noted that: after the male end plug bush 12 is butted with the female end plug connector 10, the single plug board 17 of the male end plug bush is clamped with the butting sleeve 16, so that the male end plug bush 12 can be stably clamped and limited, and the stability after plugging is improved;

example 2

Referring to fig. 3 and 4, in this embodiment, for further description of embodiment 1, a U-shaped clip 7 is fixed at an outer end of the shielding strip 4, the U-shaped clip 7 extends out of the opening 5, and a supporting block 8 attached to an outer wall of the contact plate 6 is fixed at a bottom of the U-shaped clip 7.

In order to make the contact effect better, the outer ends of the U-shaped clips 7 and the outer ends of the contact plates 6 are elastic contacts without being affected by slight deformation of the shielding plates 3.

It should be noted that: through the designed U-shaped clamp 7, the U-shaped clamp 7 has certain elasticity, after the male end grounding contact element 14 is inserted, the U-shaped clamp can be stably attached to the outer wall of the male end grounding contact element 14, and the attachment effect of the contact plate 6 is better through the abutting block 8;

it should also be noted that: the contact ends of the U-shaped clamp 7 and the contact plate 6 are inclined towards the same direction, and the outer side of the contact plate 6 is provided with a supporting opening 9 matched with the supporting block 8, so that the male end grounding contact piece 14 can be inserted more smoothly, and meanwhile, the supporting block 8 is extruded stably.

The rest of the structure was the same as in example 1.

Example 3

Referring to fig. 1-4, in the present embodiment, for further explanation of other embodiments, the inner sides of the two ends of the male plug 12 in the drawings are respectively provided with a plug 18, an adjusting groove 19 is formed in the plug 18, and an adjusting element 20 adapted to the adjusting groove 19 is installed in the shielding element 1.

The adjusting part 20 comprises adjusting rods 21 fixedly penetrating through the plurality of U-shaped clamps 7 on the same shielding plate 3, adjusting plates 22 are fixed at both ends of each adjusting rod 21, and protrusions 23 matched with the adjusting grooves 19 are fixed on the outer sides of the two adjusting plates 22.

It should be noted that: after the male end plug bush 12 is inserted, the adjusting grooves 19 on the two sides can be driven to be in contact with the protrusions 23, and the adjusting plates 22 can be driven to move downwards along with the insertion of the male end plug bush 12, so that the adjusting rods 21 move downwards, the U-shaped clamp 7 is extruded, and the fitting is more compact and stable;

it should also be noted that: the outer end of the adjusting groove 19 is communicated with a guide groove 24, the adjusting groove 19 is an inclined chute, and the guide groove 24 is designed to facilitate the insertion of the male end plug bush 12, so that the butt joint is more convenient; the rest of the structure was the same as in example 2.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shield cover module, is applied to on the high-speed back of the body connector which characterized in that includes:

the shielding parts (1) and the grounding contact parts (2) are arranged on the female-end plug connector (10), and the grounding contact parts (2) and the shielding parts (1) are matched with each other and are distributed on the female-end plug connector (10) at equal intervals;

shielding part (1) includes shield plate (3) and a plurality of shielding strip (4), shield plate (3) and a plurality of shield strip (4) all are fixed with female end connector (10) outer end, just equidistantly on shield plate (3) open have a plurality ofly with corresponding opening (5) of shielding strip (4), opening (5) internal fixation has contact plate (6), the outer end of shielding strip (4) is fixed with the U type and presss from both sides (7), just the U type presss from both sides (7) and stretches out opening (5), the bottom that the U type pressed from both sides (7) be fixed with contact plate (6) outer wall is laminated to piece (8).

2. A shielding cage module as set forth in claim 1, wherein: the outer end of the U-shaped clamp (7) and the outer end of the contact plate (6) are elastic contacts.

3. A shielding cage module as set forth in claim 1, wherein: the shielding strip (4) and the shielding plate (3) are electrically conducted.

4. A shielding cage module as set forth in claim 1, wherein: the shielding strip (4) and the shielding plate (3) are integrated at the outer end of the female-end connector (10) to form an independent module.

5. A shielding cage module as set forth in claim 1, wherein: the inclination directions of the contact ends of the U-shaped clamp (7) and the contact plate (6) are the same, and the outer side of the contact plate (6) is provided with a butting port (9) matched with the butting block (8).

6. A high-speed backplane connector, characterized by comprising a female-end connector (10) and a male-end connector (11) and a shielding cage module according to any one of claims 1 to 5, the shielding cage module being mounted at the plugging end of the female-end connector (10), and the male-end connector (11) being plugged onto the female-end connector (10);

public end connector (11) including public end plug bush (12) and a plurality of insert with public end signal contact (13) in the public end plug bush (12), the anterior segment of public end signal contact (13) is fixed with public end ground connection contact (14).

7. A high-speed backplane connector as claimed in claim 6, wherein: the butt joint shell (15) is installed at the plug-in end of the female end plug-in connector (10), butt joint sleeves (16) are fixed at two ends of the butt joint shell (15), and plug boards (17) are fixed at positions, corresponding to the butt joint sleeves (16), of the outer sides of the male end plug-in sleeves (12).

8. A high-speed backplane connector according to claim 7, wherein: the plug-in connector is characterized in that plug-in ports (18) are formed in the inner sides of two ends of the male end plug-in sleeve (12), adjusting grooves (19) are formed in the plug-in ports (18), and adjusting pieces (20) matched with the adjusting grooves (19) are installed in the shielding piece (1).

9. A high-speed backplane connector as recited in claim 8, wherein: adjusting part (20) are including fixed regulation pole (21) that run through in a plurality of U type clamps (7) on same shield plate (3), the both ends of adjusting pole (21) all are fixed with regulating plate (22), two the outside of regulating plate (22) be fixed with protruding (23) of regulating groove (19) looks adaptation.

10. A high-speed backplane connector according to claim 9, wherein: the outer end of the adjusting groove (19) is communicated with a guide groove (24), and the adjusting groove (19) is an inclined chute.