CN211929806U - Electrical connector - Google Patents

Abstract

The utility model relates to an electric connector, which comprises a male connector and a female connector, wherein the male connector comprises a first shielding sheet and a plurality of first grounding pieces which are arranged at intervals; the first grounding piece comprises a middle electric connecting piece and 2 first grounding terminals, the 2 first grounding terminals of the first grounding piece are respectively and integrally formed at two opposite ends of the middle electric connecting piece, and the middle electric connecting piece is used for electrically connecting the 2 first grounding terminals; the first shielding sheet is clamped and connected to the first grounding piece, the female connector comprises a plurality of second grounding pieces which are arranged at intervals, and the second grounding pieces comprise 2 second grounding terminals which are arranged oppositely; when the male connector is butted with the female connector, the first grounding piece of the male connector is correspondingly inserted between the 2 second grounding terminals of the second grounding piece, so that the first grounding piece is electrically connected with the second grounding piece. The utility model discloses an electric connector utilizes first shielding piece to connect each first ground connection piece of male connector, realizes electric connector's ground terminal's common ground connection to form the signal shielding effect, thereby reduce signal crosstalk.

Description

Electrical connector

Technical Field

The utility model belongs to the technical field of the connector, especially, relate to an electric connector.

Background

The electric connector is used as an element for realizing the electric connection of each module in the electronic equipment, and plays a role in mutually transmitting electronic signals among the modules of the electronic equipment. As the frequency of signal transmission between modules of electronic devices increases, high frequency connectors are often required to accommodate the high transmission rates of signals.

However, the high frequency electronic signals transmitted by the individual conductive terminals in the electrical connector are easily interfered by the surrounding environment to generate noise, and the electrical connector for reducing the interference between the high speed signal terminals of the electrical connector is complicated in structure and poor in reliability.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing, there is a need for an electrical connector that reduces signal crosstalk.

The utility model provides an electric connector, include:

the male connector comprises a first shielding sheet and a plurality of first grounding pieces which are arranged at intervals, wherein the first shielding sheet comprises a body and a plurality of clamping pins arranged on two opposite sides of the body, the clamping pins positioned on the same side of the body are arranged at intervals, so that clamping grooves are formed between the adjacent clamping pins, and the plurality of first grounding pieces can be correspondingly clamped in the clamping grooves of the first shielding sheet, so that the first shielding sheet can electrically connect the plurality of first grounding pieces of the male connector into a whole; the first grounding piece comprises a middle electric connecting piece and 2 first grounding terminals, the 2 first grounding terminals of the first grounding piece are respectively and integrally formed at two opposite ends of the middle electric connecting piece, and the middle electric connecting piece is used for electrically connecting the 2 first grounding terminals;

the female connector comprises a plurality of second grounding pieces which are arranged at intervals, and the second grounding pieces comprise 2 second grounding terminals which are arranged oppositely;

when the male connector is butted with the female connector, the first grounding piece of the male connector is correspondingly inserted between the 2 second grounding terminals of the second grounding piece, so that the first grounding piece is electrically connected with the second grounding piece.

In one embodiment, the male connector includes a second shielding plate having the same structure as the first shielding plate, the second shielding plate is configured to be electrically connected to the plurality of first grounding members of the male connector, and when the first shielding plate and the second shielding plate are both connected to the first grounding member, the first shielding plate and the second shielding plate are connected to opposite ends of the first grounding member in a direction along which the first grounding member is inserted into the female connector in a parallel manner and at an interval.

In one of them embodiment, the inboard of 2 first ground connection terminals of first ground connection spare is formed with first joint portion and second joint portion respectively, first joint position in being close to of first ground connection spare the one end of middle electric connector, second joint position in keeping away from of first ground connection spare the one end of middle electric connector, the double-layered groove of first shielding piece with first joint looks joint, the double-layered groove of second shielding piece with second joint looks joint.

In one embodiment, the female connector includes a third shielding plate, and the second grounding members are electrically connected to the third shielding plate.

In one embodiment, the third shielding plate has the same structure as the first shielding plate.

In one embodiment, a third ground portion is disposed at an end of the second ground terminal away from the male connector, and the third shielding plate is connected to the third ground portion.

In one embodiment, the clamping pin is connected perpendicular to the body.

In one embodiment, the first shield plate and the third shield plate are parallel to each other when the male connector is mated with the female connector.

In one embodiment, the male connector includes a first insulating body, a first differential signal terminal is disposed between adjacent first ground terminals, and the first differential signal terminal and the first ground terminal are disposed at a distance from the first insulating body;

the female connector comprises a second insulating body, a second differential signal terminal is arranged between adjacent second ground terminals, and the second differential signal terminal and the second ground terminals are arranged on the first insulating body at intervals;

the first insulating body and the second insulating body can be in plug fit, and the first differential signal terminal and the second differential signal terminal are correspondingly and electrically connected.

In one embodiment, the second ground terminal and the second differential signal terminal are both spring terminals.

The utility model discloses an electric connector, which comprises a male connector and a female connector, wherein the male connector comprises a first shielding sheet and a plurality of first grounding pieces which are arranged at intervals; the first grounding piece comprises a middle electric connecting piece and 2 first grounding terminals, wherein the 2 first grounding terminals of the first grounding piece are integrally formed at two opposite ends of the middle electric connecting piece respectively, the middle electric connecting piece is used for electrically connecting the 2 first grounding terminals, so that the 2 corresponding first grounding terminals in the first grounding piece are connected in a common ground mode, and the first shielding piece is further used for clamping and connecting each first grounding piece of the male connector, so that the common ground connection of the grounding terminals of the electric connector is realized, a signal shielding effect is formed, and the signal crosstalk is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, drawings of other embodiments can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of an electrical connection in an assembled state according to an embodiment;

fig. 2 is a schematic perspective view of a male connector of the electrical connector shown in fig. 1;

FIG. 3 is an exploded view of the male connector of the electrical connector shown in FIG. 2;

FIG. 4 is a partial enlarged view of the structure of the portion circled A in FIG. 3;

fig. 5 is a schematic structural diagram of a first grounding member of the male connector in the electrical connector according to an embodiment;

fig. 6 is a perspective view of a female connector of the electrical connector shown in fig. 1;

fig. 7 is an exploded view of the female connector of the electrical connector shown in fig. 6;

FIG. 8 is a partial enlarged view of the structure of the portion encircled in B in FIG. 7;

fig. 9 is a schematic diagram illustrating a mating state of the first grounding member, the second grounding member, the first shielding plate, the second shielding plate and the third shielding plate of the electrical connector according to an embodiment;

fig. 10 is a partially enlarged view of the structure of the portion encircled by circle C in fig. 9.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "inner", "outer", "left", "right" and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 and 2, an electrical connector according to an embodiment of the present invention includes a male connector 10 and a female connector 20. The male connector 10 and the female connector 20 can be electrically connected by being mated together by plugging.

Referring to fig. 3 to 5, the male connector 10 includes a first insulating body 10a and a plurality of first grounding members 11 received in the first insulating body 10a, each first grounding member 11 includes a middle electrical connector 112 and 2 first grounding terminals 111, the first grounding members 11 are integrally formed, and specifically, in the first grounding member 11, the 2 first grounding terminals 111 are respectively integrally formed at two opposite ends of the middle electrical connector 112, and the middle electrical connector 112 is used for electrically connecting the 2 first grounding terminals 111, so that the first grounding members 11 are connected into a whole to reduce loop inductance and reduce crosstalk between adjacent signals.

The male connector 10 includes first shielding tabs 12, and the first shielding tabs 12 are used to electrically connect all the first grounding members 11 of the male connector 10 together, so as to implement a common ground connection between the first grounding members 11, and achieve a better signal shielding effect, so as to reduce crosstalk between adjacent signals.

Referring to fig. 4, the first shielding plate 12 includes a body 121 and a plurality of clamping pins 122 disposed on two opposite sides of the body 121, the clamping pins 122 located on the same side of the body 121 are spaced apart from each other, so that clamping grooves 12a are formed between the adjacent clamping pins 122, specifically, the clamping pins 122 are arranged in pairs along the edge of the body 121, and the clamping grooves 12a are formed between every two clamping pins. The first grounding pieces 11 can be correspondingly clamped in the clamping grooves 12a of the first shielding pieces 12, so that the first shielding pieces 12 electrically connect the first grounding pieces 11 of the male connector 10 into a whole, and a good signal crosstalk prevention effect is achieved.

As shown in fig. 6 and 7, the female connector 20 includes a second insulating body 20a and a plurality of second grounding pieces 21 accommodated in the second insulating body 20a, and the plurality of second grounding pieces 21 are arranged in the second insulating body 20a in the same manner as the plurality of first grounding pieces 11 are arranged in the first insulating body 10a, so that when the male connector 10 and the female connector 20 are mated, the plurality of second grounding pieces 21 correspond to the plurality of first grounding pieces 11, and the male connector 10 and the female connector 20 are electrically connected.

As shown in fig. 8 and 9, when the male connector 10 and the female connector 20 are mated, the first grounding piece 11 of the male connector 10 is correspondingly inserted between the 2 second grounding terminals 211 of the second grounding piece 21, so that the first grounding piece 11 is electrically connected with the second grounding piece 21.

It should be noted that, in the embodiment of the present application, the first insulating body 10a and the second insulating body 20a have various structures, and the structure of the first insulating body 10a of the male connector 10 and the structure of the second insulating body 20a of the female connector 20 are not limited herein as long as the mating of the male connector 10 and the female connector 20 can be achieved, so that the corresponding first grounding piece 11 and the second grounding piece 21 are electrically contacted to maintain the normal function of the electrical connector.

In the male connector 10, as shown in fig. 3, the first differential signal terminal 14 is provided between the adjacent first ground terminals 111, and the first differential signal terminal 14 and the first ground terminal 111 are provided at an interval in the first insulating body 10 a. Accordingly, in combination with fig. 7, in the female connector 20, the second differential signal terminals 23 are disposed between the adjacent second ground terminals 211, the second differential signal terminals 23 and the second ground terminals 211 are disposed at intervals on the first insulating body 10a, the first insulating body 10a and the second insulating body 121 can be plugged and matched, and the first differential signal terminals 14 and the second differential signal terminals 23 are electrically connected correspondingly.

In this embodiment, since the first differential signal terminals 14 are spaced apart by the first ground terminals 111, after the first shielding plates 12 connect the plurality of first ground pieces 11 to the ground in common, signals between the first differential signal terminals 14 will not be interfered with each other, that is, the first shielding plates 12 in the male connector 10 connect the first ground pieces 11 to the ground in common, and therefore, crosstalk between adjacent signals can be effectively reduced. In addition, when the male connector 10 and the female connector 20 are mated, the second ground terminal 211 is electrically connected to the first ground terminal 111 correspondingly, so that the electrical connector as a whole can obtain a good signal crosstalk prevention effect.

As shown in fig. 3, 9 and 10, the male connector 10 includes a second shielding plate 13 having the same structure as the first shielding plate 12, the second shielding plate 13 is used for electrically connecting with a plurality of first grounding pieces 11 of the male connector 10, and when the first shielding plate 12 and the second shielding plate 13 are both connected with the first grounding pieces 11, the first shielding plate 12 and the second shielding plate 13 are connected to opposite ends of the first grounding piece 11 in parallel and at intervals along the direction of inserting the first grounding piece 11 into the female connector 20. The second shield pieces 13 and the first shield pieces 12 connect the top end and the bottom end of the first ground piece 11 to the common ground respectively, and the first ground piece 11 is located between the two shield pieces and can be better shielded to prevent signal crosstalk.

In some embodiments, as shown in fig. 4 and 5, the inner sides of the 2 first ground terminals 111 of the first ground member 11 are respectively formed with a first clamping portion 11a and a second clamping portion 11b, the first clamping portion 11a is located at one end of the first ground member 11 close to the intermediate electrical connector 112, the second clamping portion 11b is located at one end of the first ground member 11 far from the intermediate electrical connector 112, the clamping groove 12a of the first shielding plate 12 is clamped with the first clamping portion 11a, and the clamping groove of the second shielding plate 13 is clamped with the second clamping portion 11 b. Utilize the joint of pressing from both sides the groove to corresponding joint portion, not only make shielding piece and first ground connection 11 link together steadily, also make the electric connection between shielding piece and the first ground connection 11 more stable simultaneously. It should be noted that, the opposite sides of the clamping pins 122 forming the clamping grooves 12a are provided with protrusions to further improve the clamping stability of the clamping grooves 12a to the first grounding member 11, so as to be beneficial to maintaining the stability of the electrical connection between the clamping pins 122 and the first grounding member 11.

In some embodiments, the female connector 20 includes a third shielding plate 22, and the plurality of second grounding members 21 are electrically connected to the third shielding plate 22. It should be noted that the third shielding plate 22 may have the same structure as the first shielding plate 12, so that the specifications of the shielding plates may be unified to reduce the cost.

A third ground portion 21a is provided at an end of the second ground terminal 211 remote from the male connector 10, and the third shield piece 22 is connected to the third ground portion 21 a. The connection between the third shielding plate 22 and the third grounding portion 21a can refer to the connection between the first shielding plate 12 and the first grounding member 11, that is, the clamping groove 12a formed by the clamping pin 122 is in clamping fit with the corresponding third grounding portion 21a, so that the third shielding plate 22 and the second grounding terminal 211 are fixed, and at the same time, the electrical connection between the two is realized.

As shown in fig. 4, in the first shielding plate 12, the holding pin 122 is vertically connected to the body 121, and accordingly, the second shielding plate 13 and the third shielding plate 22 having the same structure as the first shielding plate 12 are adopted, and the holding pin may be vertically connected to the body. In this embodiment, the structure that the holding pins 122 are vertically connected to the body 121 is adopted, so that when the common ground connection is performed, not only can the connection stability be provided, but also the body 121 can have a better limiting effect by using the vertical connection mode. Specifically, when the clamping groove 12a formed between the clamping pins 122 is in clamping fit with a corresponding structural member, the body 121 perpendicular to the clamping pins 122 can prevent the clamping pins 122 from moving continuously in the direction in which the clamping pins 122 are inserted into the clamping, so as to achieve the effect of limiting, and further improve the connection stability between the shielding plate and the corresponding structure.

In some embodiments, the first shield tabs 12 and the third shield tabs 22 are parallel to each other when the male connector 10 is mated with the female connector 20. With this arrangement, most of the structure of the first and second ground parts 11 and 21 will be located between the parallel first and third shield pieces 12 and 22, thereby forming a good isolation effect in space to reduce signal crosstalk.

The second ground terminal 211 and the second differential signal terminal 23 are both elastic terminals, so that when the female connector 20 is mated with the male connector 10, the elastic terminal of the second ground terminal 211 can elastically abut against the first ground member 11 to maintain a better electrical connection, and the elastic contact manner is adopted to facilitate the insertion of the first ground member 11 between the 2 second ground terminals 211 of the second ground member 21. Accordingly, the second differential signal terminals 23 adopting the elastic terminals can be also easily elastically matched with the corresponding first differential signal terminals 14, and the description thereof is omitted.

It should be noted that, in practical applications, the electrical connector is usually matched with the flexible circuit board to realize board-to-board electrical connection. As shown in fig. 2 and 6, the first insulating body 10a of the male connector 10 is disposed on the end plate 10b of the flexible circuit board, for example, by fixing the first insulating body 10a to the end plate 10b in a plug-fit manner by using the first fixing piece 10 c. Accordingly, as shown in fig. 6 and 7, the second insulating body 121 of the female connector 20 can be connected to the connecting plate 20b of another electrical component to be board-to-board connected to the flexible circuit board by the second fixing piece 20c in a plug-in fit manner.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. An electrical connector, comprising:

the male connector comprises a first shielding sheet and a plurality of first grounding pieces which are arranged at intervals, wherein the first shielding sheet comprises a body and a plurality of clamping pins arranged on two opposite sides of the body, the clamping pins positioned on the same side of the body are arranged at intervals, so that clamping grooves are formed between the adjacent clamping pins, and the plurality of first grounding pieces can be correspondingly clamped in the clamping grooves of the first shielding sheet, so that the first shielding sheet can electrically connect the plurality of first grounding pieces of the male connector into a whole; the first grounding piece comprises a middle electric connecting piece and 2 first grounding terminals, the 2 first grounding terminals of the first grounding piece are respectively and integrally formed at two opposite ends of the middle electric connecting piece, and the middle electric connecting piece is used for electrically connecting the 2 first grounding terminals;

the female connector comprises a plurality of second grounding pieces which are arranged at intervals, and the second grounding pieces comprise 2 second grounding terminals which are arranged oppositely;

when the male connector is butted with the female connector, the first grounding piece of the male connector is correspondingly inserted between the 2 second grounding terminals of the second grounding piece, so that the first grounding piece is electrically connected with the second grounding piece.

2. The electrical connector of claim 1, wherein the male connector includes a second shield plate having the same structure as the first shield plate, the second shield plate being configured to electrically connect to a plurality of first ground contacts of the male connector, and when the first shield plate and the second shield plate are both connected to the first ground contacts, the first shield plate and the second shield plate are connected to opposite ends of the first ground contacts in a direction along which the first ground contacts are inserted into the female connector.

3. The electrical connector of claim 2, wherein the inner sides of the 2 first ground terminals of the first ground part are respectively formed with a first clamping portion and a second clamping portion, the first clamping portion is located at one end of the first ground part close to the intermediate electrical connector, the second clamping portion is located at one end of the first ground part far away from the intermediate electrical connector, the clamping groove of the first shielding plate is clamped with the first clamping portion, and the clamping groove of the second shielding plate is clamped with the second clamping portion.

4. The electrical connector of claim 1, wherein the female connector includes a third shield plate, and a plurality of the second ground members are electrically connected to the third shield plate.

5. The electrical connector of claim 4, wherein the third shield plate has the same structure as the first shield plate.

6. The electrical connector of claim 5, wherein an end of the second ground terminal away from the male connector is provided with a third ground portion, and the third shielding plate is connected to the third ground portion.

7. The electrical connector of any of claims 1-6, wherein the clamping pin is perpendicularly connected to the body.

8. The electrical connector of claim 4, wherein the first and third shield blades are parallel to each other when the male connector is mated with the female connector.

9. The electrical connector of claim 1, wherein the male connector includes a first insulative body, and a first differential signal terminal is disposed between adjacent first ground terminals, the first differential signal terminal being spaced apart from the first ground terminal by the first insulative body;

the female connector comprises a second insulating body, a second differential signal terminal is arranged between adjacent second ground terminals, and the second differential signal terminal and the second ground terminals are arranged on the first insulating body at intervals;

the first insulating body and the second insulating body can be in plug fit, and the first differential signal terminal and the second differential signal terminal are correspondingly and electrically connected.

10. The electrical connector of claim 9, wherein the second ground terminal and the second differential signal terminal are both sprung terminals.

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