CN109980449B - High-speed high-density connector with dual shield function - Google Patents

Abstract

The invention discloses a high-speed and high-density connector with double shielding function, which belongs to a connector structure and includes a pin connection end and a hole connection end, the pin connection end includes an outer shell, and a plurality of laminate components are installed on the outer shell , and the laminate assembly is provided with harpoon pins and a single shielding plate, the lower part of the single shielding plate is a plurality of strips, and the strips extend to the bottom of the laminate assembly and are placed on the fish The side of the fork pin; the hole connection end includes a base and a horizontal plate; a single shielding plate is installed on the laminate assembly in the pin connection end, and the lower part of the single shielding plate extends through the first large through slot to the second large through slot In this way, the single shielding board can simultaneously form signal shielding for the harpoon pins at the pin connection end and the differential pair signal pins at the hole connection end, and the pin pins on the horizontal board can directly contact the lower part of the single shielding board to achieve grounding , there is no need to install a shielding plate on the hole connection end, which effectively simplifies the shielding structure of the connector.

Description

High-speed, high-density connectors with double shielding

technical field

The invention relates to a connector structure, more specifically, the invention mainly relates to a high-speed and high-density connector with double shielding function.

Background technique

Signal connectors usually need to use shielding structure to avoid signal interference between signal terminals, so as to ensure the stability and integrity of signal transmission. At present, most of these signal connectors use shielding plate grounding to realize the signal between signal terminals. Shielding, but because this type of shielding structure needs to ground the pins of the shielding plate when using it, it is necessary to install multiple shielding plates on both the pin connection end and the hole connection end, resulting in too many shielding plates in the connector. Increase the difficulty of assembling the connector; and the mesh structure on the shell needs to be used to isolate the signal terminals in the connector from the shielding plate, resulting in a complex structure of the connector, which affects the production efficiency of the product, and is also not conducive to some small signal terminals. Therefore, it is necessary to do further research and improvement on the structure of this type of connector.

Contents of the invention

One of the purposes of the present invention is to provide a high-speed and high-density connector with double shielding function in view of the above-mentioned deficiencies, in order to solve the problem that the number of shielding plates of similar signal connectors in the prior art is too large, which increases the difficulty of assembling the connector, and The structure is complicated, which affects the production efficiency of the product and other technical problems.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions:

A high-speed, high-density connector with double shielding function provided by the present invention includes a pin connection end and a hole connection end, the pin connection end includes an outer shell, and a plurality of laminate components are installed on the outer shell, and The laminate components are provided with harpoon pins and a single shielding plate, and the lower part of the single shielding plate is a plurality of strips, and the strips extend to the bottom of the laminate component and are placed on the The side of the harpoon pin; the strip plate is bent into an L shape; the outer shell is provided with a plurality of pinholes and a first large through groove and a first small through groove, and the first small through groove and the first small through groove The respective first large through slots are connected, and the first large through slots coincide with the lower end of the strip plate; the hole connection end includes a base and a horizontal plate, and the base is provided with a plurality of differential pair signal pins and A plurality of the second large through grooves and the second small through grooves, the second small through grooves communicate with the respective second large through grooves; the positions of each second large through grooves and the second small through grooves are the same as those of the first large through grooves, the second small through grooves The positions of the first small through slots are in one-to-one correspondence, the positions of the differential pair signal pins correspond to the positions of the pinholes and coincide with each other; a plurality of pin pins are arranged side by side on the horizontal plate, and the pin pins are arranged side by side. The lower parts of the pins are inserted into the respective second small through grooves, and the upper parts of the pins coincide with the first small through grooves and their positions correspond to each other.

Preferably, a further technical solution is: a partition is provided between the harpoon pins and the respective strip plates, and the partition is fixed on the lower part of the insulating cover of the laminate assembly.

A further technical solution is: fixing notches are also provided on both sides of the outer casing, and the plurality of laminate components are respectively installed on the outer casing through their respective fixing notches.

A further technical solution is: the outer side of the outer shell is provided with a fixing boss, and the inner side of the base is provided with a fixing groove, and the fixing boss and the fixing groove coincide with each other and their positions correspond to each other.

A further technical solution is: when the pin connection end and the hole connection end are inserted into one body, the strip plate extends to the lower bottom surface of the part below the laminate assembly, and the lower bottom surface of the second large through groove flush.

A further technical solution is: the upper parts of the pin pins on the horizontal plate all have bent parts, and the bent parts correspond to the positions of the respective strip plates, and are used for connecting the pin connection ends to the holes. When the connecting ends are plugged into one body, the bent portion is deformed and contacts the strip plate of the single shielding plate.

A further technical solution is: a plurality of first large through grooves and first small through grooves are distributed in multiple rows on the outer shell, and a plurality of second large through grooves and second small through grooves are also distributed in multiple rows on the base .

Compared with the prior art, one of the beneficial effects of the present invention is: by installing a single shielding plate on the laminate assembly in the pin connection end, and the lower part of the single shielding plate extends through the first large through slot to the second large through slot In this way, the single shielding board can simultaneously form signal shielding for the harpoon pins at the pin connection end and the differential pair signal pins at the hole connection end, and the pin pins on the horizontal board can directly contact the lower part of the single shielding board to achieve grounding , there is no need to install a shielding plate on the hole connection end, which effectively simplifies the shielding structure of the connector, helps to reduce the difficulty of assembling connector products, and improves production efficiency. At the same time, the invention provides a double shielding function The high-speed and high-density connector has a simple structure, is suitable for industrial production, and is easy to promote.

Description of drawings

FIG. 1 is a schematic structural diagram illustrating an embodiment of the present invention.

FIG. 2 is an exploded view of the components in FIG. 1 .

FIG. 3 is a schematic diagram illustrating the structure of a laminate assembly of a pin connector in an embodiment of the present invention.

FIG. 4 is a schematic diagram illustrating another angle of the pin connector in an embodiment of the present invention.

Fig. 5 is a schematic diagram illustrating the structure of the outer shell of the pin connector in one embodiment of the present invention.

Fig. 6 is a schematic structural diagram for illustrating a female connector according to an embodiment of the present invention.

Fig. 7 is a schematic diagram of a horizontal plate structure for illustrating a hole connector according to an embodiment of the present invention.

In the figure, 1 is the pin connection end, 11 is the outer shell, 111 is the fixing gap, 112 is the fixing boss, 113 is the fixing groove, 12 is the laminate assembly, 121 is the insulating cover plate, 13 is the harpoon pin, 14 is a single shielding plate, 141 is a strip plate, 15 is a pinhole, 16 is the first large through slot, 17 is the first small through slot, 18 is a partition, 2 is a hole connection end, 21 is a base, 22 is a The horizontal plate, 23 is a differential pair signal pin, 24 is a second large through slot, 25 is a second small through slot, 26 is a pin pin, and 261 is a bent part.

Detailed ways

The present invention will be further elaborated below in conjunction with the accompanying drawings.

Referring to Fig. 1 and Fig. 2, one embodiment of the present invention is a high-speed high-density connector with double shielding function, which includes a pin connection end 1 and a hole connection end 2; wherein, the aforementioned pin connection end 1 includes Outer casing 11, on which a plurality of laminate components 12 are installed; as shown in FIG. 3 and FIG. The structure of the lower part of the single shielding plate 14 needs to be designed as a plurality of strip plates 141, and the strip plates 141 need to extend to the bottom of the laminate assembly 12 and be placed on one side of the aforementioned harpoon pin 13. What is important is that the aforementioned strip plate 141 needs to be bent into an L shape so as to cover both sides of the harpoon pin 13 to improve the signal shielding effect; on the other hand, as shown in FIG. 5, it is To ensure the integrity of the insertion of the needle connection end 1, a plurality of pinholes 15, first large through grooves 16 and first small through grooves 17 need to be provided on the aforementioned outer shell 11, and the first small through grooves 17 need to be connected with their respective The first large through groove 16 is connected, and in fact, the first large through groove 16 needs to coincide with the lower end of the strip plate 141 so as to facilitate the assembly of the needle connection end 1 .

Based on the above-mentioned structure of the pin connection end 1, correspondingly, the hole connection end 2 includes a base 21 and a horizontal plate 22, wherein the base 21 is provided with a plurality of differential pair signal pins 23 and a plurality of second large through slots 24 With the second small through slot 25 , the differential pair signal pins 23 are used to connect with the above-mentioned harpoon pins 13 , and are used for signal transmission after the pin connection end 1 and the hole connection end 2 are plugged into each other. In addition, the aforementioned second small through groove 25 communicates with the second large through groove 24 respectively, and the position of each second large through groove 24 and the second small through groove 25 is consistent with that of the first large through groove 16 and the first small through groove 17. Correspondingly, the positions of the aforementioned differential pair signal pins 23 correspond to and coincide with the positions of the pinholes 15; as shown in FIG. Needle pin 26, the effect of this pin pin 26 is to assist single shielding plate 14 to carry out grounding, therefore in inserting the bottom of pin pin 26 respectively in the second small through groove 25, simultaneously this pin pin 26 The upper part of the first small through groove 17 also needs to match and correspond to the position, so that the upper part of the pin pin 26 is in contact with the single shielding plate 14.

Preferably, as shown in Figure 5 and Figure 6, the above-mentioned plurality of first large through grooves (16) and first small through grooves 17 are preferably distributed in multiple rows or columns on the outer shell 11, and multiple The second large through groove 24 and the second small through groove 25 are also distributed in multiple rows or rows on the base 21 .

In this embodiment, a single shielding plate 14 is installed on the laminate assembly 12 in the pin connection end 1, and the lower part of the single shielding plate 14 extends through the first large through slot 16 into the second large through slot 24, so that the single shielding plate 14 The shielding plate 14 can simultaneously form a signal shield for the harpoon pin 13 of the pin connection end 1 and the differential pair signal pin 23 of the hole connection end 2, and make the pin pins 26 on the horizontal plate 22 directly connect with the single shielding plate 14 The lower part of the connector is in contact with grounding, and there is no need to install a shielding plate on the hole connection end 2, which effectively simplifies the shielding structure of the connector, helps reduce the difficulty of assembling connector products, and improves production efficiency.

Referring to Fig. 3, in another embodiment of the present invention, in order to block the above-mentioned harpoon pin 13 and the single shielding plate 14, the inventor also improved the mesh structure used in similar signal connectors, Specifically, a partition 18 is added between the harpoon pin 13 and the single shielding plate 14, and the partition 18 is fixed on the lower part of the insulating cover plate 12 of the laminate assembly 12. As shown in FIG. 3, the single shielding Between each strip plate 141 of the plate 14 and the harpoon pin 13, there is a partition 18, the structure of the partition 18 is simpler than the mesh structure of similar connecting devices, and it can also be used to isolate It helps to reduce the difficulty of connector assembly and improve the consistency of assembly structure.

Further, based on the above-mentioned embodiments of the present invention, in order to facilitate the installation of the laminate assembly 14 on the outer shell 11, the structure of the outer shell 11 can also be adaptively improved, as shown in FIG. A plurality of fixing notches 111 are added on both sides of the body, and then the above-mentioned plurality of laminate components 12 are respectively installed on the outer shell 11 through their respective fixing notches 111; The end 1 and the hole connection end 2 are fixedly connected as one, and the structures of the two can also be adaptively improved to enhance the integrity of the connector structure, specifically, one or more fixed bosses are arranged on the outside of the outer shell 11 112, and then set one or more fixing grooves 113 that match the fixing bosses 112 inside the base 21. It is necessary that the aforementioned fixing bosses 112 and fixing grooves 113 match each other and their positions correspond to each other.

Referring again to Fig. 1 and Fig. 2, based on the structure described in the above-mentioned embodiment of the present invention, for the more detailed structure of the present invention, in order to avoid the impact of the single shielding plate 14 on other devices, in another embodiment of the present invention Among them, in terms of the size design of the lower strip plate 141, it is preferable that when the pin connection end 1 and the hole connection end 2 are plugged together, when the strip plate 141 extends to the bottom of the part below the laminate assembly 12 The bottom surface is flush with the lower bottom surface of the second large through groove 24. Further, the above-mentioned embodiment has already mentioned that the function of the pin pins 26 on the horizontal plate 22 is to assist the single shielding plate 14 to ground, so in order to ensure that the pin pins 26 are always connected to the strip plate 141 at the bottom of the single shielding plate 14 In this embodiment, a bent portion 261 can also be provided on the upper part of the pin pin 26, and the bent portion 261 needs to correspond to the position of the respective strip plate 141, and then when the pin connection end 1 and When the hole connection end 2 is plugged into one body, due to the deformation of the bending part 261, it contacts the strip plate 141 of the single shielding plate 14, that is, the elastic force of the bending part 261 on the pin pin 26 is used to press the strip plate 141 forms pressure to further improve the stability of the contact between the two.

Referring to Fig. 1 to Fig. 7, in the actual use of the above preferred embodiment of the present invention, the harpoon pin 13 and the differential pair signal pin 23 in the pin connection end 1 and the hole connection end 2 are respectively connected to their respective signal Connecting line, the pin pin 26 is connected with the ground wire of the external interconnection circuit; when the pin connection end 1 and the hole connection end 2 are inserted into one body, the two are guaranteed by the fixed boss 112 and the fixed groove 113 that cooperate with each other. The consistency and stability of cooperation, and because the first large through groove 16, the first small through groove 17 and the second large through groove 24, the second small through groove 25 are all in a one-to-one correspondence structure; A plurality of strips 141 at the lower part of the shielding plate 14 pass through the first large through slot 16 and enter the second large through slot 24 , and the strips 141 bent in an L shape surround the differential pair signal pins 23 and the harpoon pins 13 at the same time Shielding, and the two are isolated from each other by the partition plate 18; at this time, the pin pins 26 on the horizontal plate 22 are in close contact with the respective single shielding plate 14 by using the return elastic force generated by the bending portion 261 on the top of the horizontal plate 22; The same single shielding plate 14 realizes signal shielding and grounding for the differential pair signal pins 23 and harpoon pins 13 at the same time to prevent interference, not only saves the shielding plate structure on the hole connection end 2, the use structure becomes simple, but also facilitates insertion To avoid the influence of shielding effect due to positional deviation caused by too many shielding parts; that is, the structure of a single shielding plate is one of the most important improvements of the present invention, which helps to improve the convenience of use and production of this type of signal connector. The design and development of this type of connector provide more references.

In addition to the above, it should also be noted that "one embodiment", "another embodiment", and "embodiment" mentioned in this specification refer to specific features, structures or characteristics described in conjunction with the embodiment. Included in at least one embodiment of the general description of the present application. Appearing the same expression in multiple places in the specification does not necessarily refer to the same embodiment. Further, describe a specific feature, structure or When referring to a feature, it is claimed that the combination of other embodiments to achieve this feature, structure or characteristic also falls within the scope of the present invention.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it is to be understood that numerous other modifications and implementations can be devised by those skilled in the art which will fall within the scope of the disclosure disclosed in this application. within the scope and spirit of the principles. More specifically, within the scope of the disclosure, drawings and claims of the present application, various modifications and improvements can be made to the components and/or layout of the subject combination layout. In addition to modifications and improvements in component parts and/or layout, other uses will be apparent to those skilled in the art.

Claims (7)

1. a kind of high-speed high-density connector with dual shield function, including needle connecting pin (1) and hole connecting pin (2), Be characterized in that: the needle connecting pin (1) includes outer housing (11), is equipped with multiple laminate components on the outer housing (11) (12), harpoon contact pin (13) and single screen shield plate (14) and on the laminate component (12) are equipped with, the single screen shield plate (14) Lower part is in multiple strip boards (141), the strip board (141) and the lower section for extending to laminate component (12), is placed in the fish Pitch the side of contact pin (13)；Strip board (141) bending is L-shaped；The outer housing (11) be equipped with multiple pin holes (15) with And first big through slot (16) and the first small through slot (17), the first small through slot (17) are connected with the respective first big through slot (16) Logical, the first big through slot (16) matches with the lower end of strip board (141)；

The hole connecting pin (2) includes pedestal (21) and transverse slat (22), and the pedestal (21) is equipped with multiple differential pair signal needles (23) and multiple second largest through slots (24) and the second small through slot (25), the second small through slot (25) and respective second largest logical Slot (24) is connected；It is each second largest through slot (24), the position of the second small through slot (25) and the first big through slot (16), first small logical The position of slot (17) corresponds, the differential pair signal needle (23) kiss corresponding and mutual with the position of the pin hole (15) It closes；Multiple contact pin pins (26), the lower part insertion respective the of the contact pin pin (26) are equipped on the transverse slat (22) side by side In two small through slots (25), the top of the contact pin pin (26) matches with the described first small through slot (17) and position is corresponding.

2. the high-speed high-density connector according to claim 1 with dual shield function, it is characterised in that: the fish It pitches and is equipped with partition (18) between contact pin (13) and respective strip board (141), the partition (18) is fixed on laminate component (12) Insulation cover plate (121) lower part.

3. the high-speed high-density connector according to claim 1 with dual shield function, it is characterised in that: described outer The two sides of shell (11) are additionally provided with fixed gap (111), and the multiple laminate component (12) passes through respective fixed gap respectively (111) it is mounted on outer housing (11).

4. the high-speed high-density connector according to claim 1 or 3 with dual shield function, it is characterised in that: institute It states and is provided on the outside of outer housing (11) fixing lug boss (112), be provided with fixed groove (113) on the inside of the pedestal (21), The fixing lug boss (112) mutually coincide with fixed groove (113) and position corresponds to each other.

5. the high-speed high-density connector according to claim 1 with dual shield function, it is characterised in that: when described When needle connecting pin (1) and hole connecting pin (2) grafting are integrated, the strip board (141) is extended to below laminate component (12) Partial bottom surface is flushed with the bottom surface of the second largest through slot (24).

6. according to claim 1 or 5 with the high-speed high-density connector of dual shield function, it is characterised in that: institute The top for stating the contact pin pin (26) on transverse slat (22) all has bending part (261), the bending part (261) and respective strip board (141) position is corresponding, is used for when the needle connecting pin (1) is integrated with hole connecting pin (2) grafting, the bending part (261) it is deformed, is in contact with the strip board (141) of single screen shield plate (14).

7. the high-speed high-density connector according to claim 1 with dual shield function, it is characterised in that: Duo Ge One big through slot (16) and the first small through slot (17) are in multiple rows of distribution on outer housing (11), and multiple second largest through slots (24) and the Two small through slots (25) are also in multiple rows of distribution on pedestal (21).