CN216980937U

CN216980937U - High-speed direct female signal connector

Info

Publication number: CN216980937U
Application number: CN202220322557.7U
Authority: CN
Inventors: 吴明泽
Original assignee: Wuhan Clip Electronic Co ltd
Current assignee: Wuhan Clip Electronic Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-07-15
Anticipated expiration: 2032-02-17

Abstract

A high-speed direct female signal connector relates to the technical field of connectors for high-speed signal transmission, solves the technical defect of the prior high-speed direct female signal connector of being plugged and unplugged with electricity, and comprises a plastic shell, wherein more than two groups of signal rows are arranged in the plastic shell; each group of signal columns comprises a differential signal terminal, a grounding terminal and a plastic body for fixing the differential signal terminal and the grounding terminal; the method is characterized in that: a clearance groove for accommodating the grounding terminal of the male end connector is formed in the position, corresponding to the root part of the grounding terminal, of the top of the plastic body; two ends of the plastic body of each group of signal rows are matched, clamped and fixed with the side wall of the plastic shell through the inverted triangle clamping point structure. The high-speed male end signal connector with the longer grounding terminal can be matched with the high-speed male end signal connector, the subsystem can be inserted or pulled out without power failure when the subsystem fails, and maintenance processing is facilitated.

Description

High-speed direct female signal connector

Technical Field

The utility model relates to the technical field of connectors for high-speed signal transmission, in particular to the improvement of a female-end signal connector structure.

Background

The high-speed straight female signal connector is generally used for connecting PCB boards and transmitting high-speed 25Gbps differential signals, and the row spacing and the column spacing of the mounting ends of each lead terminal are 1.4mm and 2mm respectively. When the traditional high-speed direct female signal connector is plugged and pulled in cooperation with the high-speed male end signal connector, the power needs to be cut off in advance because the length of the grounding terminal of the traditional high-speed male end signal connector is the same as that of the differential signal terminal, the grounding terminal cannot be switched on and switched off before the differential signal terminal in the plugging and pulling process, and when a subsystem fails, hot plugging and pulling cannot be realized, so that the system is not favorable for maintenance and processing.

SUMMERY OF THE UTILITY MODEL

In summary, the present invention is directed to a high-speed direct female signal connector, which solves the technical problem of hot plugging of the conventional high-speed direct female signal connector.

In order to solve the technical defects provided by the utility model, the technical scheme is as follows:

a high-speed direct female signal connector comprises a plastic shell, wherein more than two groups of signal rows are arranged in the plastic shell; each group of signal columns comprises a differential signal terminal, a grounding terminal and a plastic body for fixing the differential signal terminal and the grounding terminal; the method is characterized in that: the top of the plastic body and the corresponding position of the root of the grounding terminal are provided with a clearance groove for accommodating the grounding terminal of the male end connector; the two ends of the plastic body of each group of signal rows are matched, clamped and fixed with the side wall of the plastic shell through the inverted triangle clamp point structure.

The technical scheme for further limiting the utility model comprises the following steps:

the inverted triangle clip point structure is formed by extending a triangle block outside the plastic body from the side edge of the differential signal terminal or the grounding terminal.

The differential signal terminals and the grounding terminals adopt a structure with a narrow top and a wide bottom, and the distances between the adjacent differential signal terminals and the grounding terminals are gradually increased from bottom to top.

And a groove with the depth of 0.25mm is arranged between two adjacent differential signal terminals on the opposite two side surfaces of the plastic body.

Four symmetrical guide posts are arranged at the edge of the inserting interface of the plastic shell.

The inner side of the plastic shell is provided with a fool-proof boss inserted into the vacant space of the clearance groove.

The inner side of each jack of the plastic shell is provided with a limit step for clamping the top end of a differential signal terminal or a grounding terminal; positioning pieces transversely extend out of the tops of the two sub-pins of the differential signal terminal/grounding terminal, and the positioning pieces on the two sub-pins of the same differential signal terminal/grounding terminal respectively extend outwards and are respectively arranged on one limiting step.

The plastic shell is internally provided with 10 groups of signal columns, and the differential signal terminal and the grounding terminal of each group of signal columns are provided with 12 lead terminals in total.

The plastic shell is internally provided with 10 groups of signal columns, and the differential signal terminal and the grounding terminal of each group of signal columns are provided with 15 lead terminals in total.

And the mounting ends of the lead terminals adopt a fisheye compression joint structure, and the edges and corners of the lead terminals adopt a fillet structure.

The utility model has the beneficial effects that: the utility model can be matched with a high-speed male end signal connector with a longer grounding terminal, the grounding terminal can be conducted before the differential signal terminal in the inserting process, the grounding terminal can be disconnected after the differential signal terminal in the pulling-out process, the hot-plugging function can be realized, the subsystem can be inserted or pulled out without power failure when the subsystem is in failure, and the maintenance treatment is convenient.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of another angle according to the present invention.

Fig. 3 is an exploded view of the present invention.

FIG. 4 is a schematic view of another exploded view of the present invention.

Fig. 5 is a schematic diagram of a signal row according to the present invention.

FIG. 6 is an exploded view of a signal row according to the present invention.

Fig. 7 is a bottom view of the plastic housing of the present invention.

Fig. 8 is a schematic view of a cross-section a-a in fig. 7.

Fig. 9 is a schematic cross-sectional view of the plastic housing of the present invention.

Fig. 10 is an enlarged schematic view of a portion B in fig. 9.

Fig. 11 is a schematic perspective view of a high-speed male signal connector with a longer ground terminal that can be mated with the present invention.

Detailed Description

The structure of the utility model will be further described with reference to the accompanying drawings and preferred embodiments of the utility model.

Referring to fig. 1 to 6 and 11, a high-speed direct female signal connector disclosed in the present invention includes a plastic housing 1, wherein more than two signal rows 2 are disposed in the plastic housing 1; each set of signal rows 2 includes differential signal terminals 21, ground terminals 22, and plastic bodies 23 that fix the differential signal terminals 21 and the ground terminals 22. In the drawings of the present embodiment, the plastic housing 1 is provided with 10 sets of signal rows 2, and the differential signal terminal 21 and the ground terminal 22 of each set of signal row 2 have 12 lead terminals in total, that is, each high-speed straight female signal connector includes 120 lead terminals. In a specific implementation, the differential signal terminals and the ground terminals of each signal row have 15 lead terminals in total, that is, each high-speed straight female signal connector includes 150 lead terminals.

In order to adapt the present invention to the high-speed male signal connector with longer grounding terminal in fig. 11, as shown in fig. 5 and fig. 6, the top of the plastic body 23 and the root of the grounding terminal 22 are provided with clearance grooves 231 for accommodating the grounding terminal of the male connector. Since each ground terminal in each set of signal columns 2 is usually in an electrically conductive state, in a specific implementation process, a clearance groove 231 for accommodating the ground terminal of the male connector is provided in a position corresponding to the root of a part of the ground terminal 22 in each set of signal columns 2; alternatively, the ground terminals 22 may be provided with clearance grooves 231 at positions corresponding to the root portions thereof for receiving the ground terminals of the male terminal connector.

In order to facilitate the rapid assembly of the 10 groups of signal rows 2 with the plastic housing 1, two ends of the plastic body of each group of signal rows 2 are clamped and fixed with the side wall of the plastic housing 1 through the inverse triangle clamping point structure. The inverted triangle clip point structure is formed by extending a triangle block 3 outside the plastic body from the side edge of the differential signal terminal or the grounding terminal. The differential signal terminal or the grounding terminal can be synchronously manufactured in the punching process, and meanwhile, the technical effect of more reliable connection is achieved.

As shown in fig. 5 and 6, the differential signal terminals 21 and the ground terminals 22 are configured to be narrow at the top and wide at the bottom, and the distances between adjacent differential signal terminals 21 and ground terminals 22 gradually increase from bottom to top, so that the supporting strength of the differential signal terminals 21 and the ground terminals 22 is ensured, and the impedance adjustment function is performed better by adjusting the distances.

As shown in fig. 4 and fig. 5, a groove 232 with a depth of 0.25mm is disposed between two adjacent differential signal terminals 21 on two opposite side surfaces of the plastic body 23, which not only facilitates effective molding of a mold, but also plays a role in better adjusting impedance.

As shown in fig. 4, four symmetrical guide posts 11 are disposed at the edge of the insertion interface of the plastic housing 1. The four symmetrical guide posts 11 can realize blind insertion with the male end of the high-speed signal connector without direction division.

As shown in fig. 3 and 5, the inner side of the plastic housing 1 is provided with a fool-proof boss 12 inserted into the empty space of the empty-keeping groove 231, so that in the process of assembling the signal row 2 and the plastic housing 1, a fool-proof effect can be achieved, and the signal row 2 is effectively prevented from being incorrectly installed.

As shown in fig. 4 to 10, in the field of high-speed female-end signal connectors, in order to ensure the connection reliability of the differential signal terminal 21 or the ground terminal 22 during the plugging process, a general differential signal terminal and the ground terminal both include two spring structure sub-pins, the middle sections of the two spring structure sub-pins are arc-shaped contact surfaces protruding in opposite directions, in the present invention, in order to prevent the two sub-pins from being exposed to enter the lower part of the jack 13 of the plastic housing 1 and interfering with the pin of the male end of the high-speed signal connector, the inner side of each jack 13 of the plastic housing 1 is provided with a limit step 131 for clamping the top end of the differential signal terminal 21 or the ground terminal 22; the positioning pieces 211 transversely extend out of the tops of the two sub-pins of the differential signal terminal 21 and the grounding terminal 22, and the positioning pieces 211 on the two sub-pins of the same differential signal terminal and the same grounding terminal respectively extend outwards and are respectively arranged on one limiting step 131, so that the consistency of the opening values formed by the two sub-pins of each differential signal terminal 21 and the grounding terminal 22 is ensured to be good, and the interference on a pin at the male end of a high-speed signal connector is also avoided.

As shown in fig. 3, each lead terminal installation end 4 all adopt the fisheye crimping structure, the contact surface edges and corners of each lead terminal all adopt the fillet structure, contact surface edges and corners 5 including fisheye crimping structure and PCB board spliced eye pore wall contact and arc contact surface edges and corners 6 including each lead terminal and the male end of high-speed signal connector cooperation contact all adopt the fillet structure, the fillet structure can improve contact surface finish and gold-plated layer's density, reduce the conductor loss because of skin effect causes, avoid the speed influence to data conversion and transmission.

Claims

1. A high-speed direct female signal connector comprises a plastic shell, wherein more than two groups of signal rows are arranged in the plastic shell; each group of signal columns comprises a differential signal terminal, a grounding terminal and a plastic body for fixing the differential signal terminal and the grounding terminal; the method is characterized in that: the top of the plastic body and the corresponding position of the root of the grounding terminal are provided with a clearance groove for accommodating the grounding terminal of the male end connector; two ends of the plastic body of each group of signal rows are matched, clamped and fixed with the side wall of the plastic shell through the inverted triangle clamping point structure.

2. A high speed straight female signal connector according to claim 1, wherein: the inverted triangle clip point structure is formed by extending a triangle block outside the plastic body from the side edge of the differential signal terminal or the grounding terminal.

3. A high speed direct female signal connector according to claim 1, wherein: the differential signal terminals and the grounding terminals adopt a structure with a narrow top and a wide bottom, and the distances between the adjacent differential signal terminals and the grounding terminals are gradually increased from bottom to top.

4. A high speed direct female signal connector according to claim 1, wherein: and a groove with the depth of 0.25mm is arranged between two adjacent differential signal terminals on the opposite two side surfaces of the plastic body.

5. A high speed direct female signal connector according to claim 1, wherein: four symmetrical guide posts are arranged at the edge of the inserting interface of the plastic shell.

6. A high speed direct female signal connector according to claim 1, wherein: the inner side of the plastic shell is provided with a fool-proof boss inserted into the vacant space of the clearance groove.

7. A high speed straight female signal connector according to claim 1, wherein: the inner side of each jack of the plastic shell is provided with a limit step for clamping the top end of a differential signal terminal or a grounding terminal; positioning pieces transversely extend out of the tops of the two sub-pins of the differential signal terminal/grounding terminal, and the positioning pieces on the two sub-pins of the same differential signal terminal/grounding terminal respectively extend outwards and are respectively arranged on one limiting step.

8. A high speed straight female signal connector according to claim 1, wherein: the plastic shell is internally provided with 10 groups of signal columns, and the differential signal terminal and the grounding terminal of each group of signal columns are provided with 12 lead terminals in total.

9. A high speed direct female signal connector according to claim 1, wherein: the plastic shell is internally provided with 10 groups of signal columns, and the differential signal terminal and the grounding terminal of each group of signal columns are provided with 15 lead terminals in total.

10. A high speed direct female signal connector according to claim 9, wherein: and the mounting ends of the lead terminals adopt a fisheye compression joint structure, and the edges and corners of the lead terminals adopt a fillet structure.