CN211428488U - Electrical connector - Google Patents

Abstract

The utility model discloses an electric connector, it include the shell with all accept in a plurality of ground terminal, a plurality of signal terminal in the shell and be the shell fragment altogether, the shell fragment includes the shell fragment body altogether, the shell fragment body is followed ground terminal or the relative both ends of the direction that the signal terminal extends all overlap joint in ground terminal's on the surface or all overlap joint in signal terminal's on the surface. The utility model discloses the electric connector of body system has effectively reduced the condition that the resonance produced.

Description

Electrical connector

Technical Field

The utility model relates to a connector field especially relates to an electric connector.

Background

In the related art, a communication system generally transmits data using an electrical connector. Such as a network system, server, data center, etc. Wherein the electrical connector includes signal conductors and ground conductors, wherein the signal conductors are arranged in signal pairs for carrying differential signals. Ground conductors are disposed between the signal pairs to control impedance and reduce crosstalk. Each signal pair may be separated from adjacent signal pairs by one or more ground conductors. A typical signal conductor and ground conductor are arranged in a ground-signal-ground (GSSG) type arrangement, and such an arrangement may generate resonance, thereby affecting the transfer of high frequency signals.

SUMMERY OF THE UTILITY MODEL

The main object of the present invention is to provide an electrical connector, which aims to solve the problem that the electrical connector in the prior art is easy to generate resonance and affect the signal transmission.

In order to achieve the above object, the utility model provides an electric connector include the shell with all accept in a plurality of ground terminal, a plurality of signal terminal in the shell and the shell fragment altogether, the shell fragment includes the shell fragment body altogether, the shell fragment body is followed ground terminal or the relative both ends of the direction that the signal terminal extends all overlap joint in ground terminal's on the surface or all overlap joint in signal terminal's on the surface.

In an embodiment, the elastic sheet body comprises a first overlapping arm, a connecting arm and a second overlapping arm which are connected in sequence, and the end portions of the first overlapping arm and the second overlapping arm, which are far away from each other, are all overlapped on the grounding terminal or the signal terminal.

In one embodiment, the connecting arm includes a first connecting plate and a second connecting plate, a first end of the first connecting plate is connected to a first end of the second connecting plate, a second end of the first connecting plate is connected to the first overlapping arm, and a second end of the second connecting plate is connected to the second overlapping arm.

In one embodiment, the connecting arm is V-shaped in cross-section.

In an embodiment, each of the first and second overlapping arms includes a connection end, an extension section, and an arc section, and the arc section abuts against a surface of the ground terminal or the signal terminal.

In one embodiment, the number of the first bridging arms and the second bridging arms is multiple, and the number of the first bridging arms and the number of the second bridging arms are equal.

In one embodiment, the first overlapping arm and the second overlapping arm are arranged at equal intervals along the length direction of the connecting arm.

In an embodiment, the connecting arm is provided with a clamping hole, a clamping piece matched with the clamping hole in shape is convexly arranged on the inner wall surface of the shell, and the clamping hole is matched and connected with the clamping piece so as to connect the elastic piece body with the shell.

In one embodiment, the elastic sheet body is an integrally formed piece.

In one embodiment, the housing is an insulating housing.

The technical scheme of the utility model, accept common ground shell fragment in the shell, common ground shell fragment includes the shell fragment body, the relative both ends of the direction that the shell fragment body extends along ground terminal or signal terminal all overlap joint on ground terminal's the surface or all overlap joint on signal terminal's the surface, make this common ground shell fragment's both ends can contact with a plurality of positions on signal terminal or the ground terminal simultaneously, in order to form reliable and stable common ground structure, reduce the production of resonance in this electric connector, and can be as required, the both ends that only set up common ground shell fragment all are connected with signal terminal contact or only set up common ground shell fragment's both ends all are connected with ground terminal contact in order to provide the connected mode of multiple difference, thereby improve compatibility, the degree of freedom when having promoted common ground structure and using.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed 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, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic diagram illustrating a disassembled electrical connector according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the elastic sheet body according to the embodiment of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Moreover, the technical solutions in the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or can not be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The utility model provides an electric connector.

As shown in fig. 1, the embodiment of the present invention provides an electrical connector including a housing 10 and a plurality of ground terminals 20, a plurality of signal terminals 30 and a common-ground spring plate 40 all housed in the housing 10, the common-ground spring plate 40 includes a spring plate body (not labeled), and the spring plate body is overlapped on the surface of the ground terminal 20 or the surface of the signal terminal 30 along the opposite ends of the direction in which the ground terminal 20 or the signal terminal 30 extends.

In this embodiment, the common ground spring 40 is accommodated in the housing 10, the common ground spring 40 includes a spring body, and opposite ends of the spring body along the extending direction of the ground terminal 20 or the signal terminal 30 are respectively overlapped on the surface of the ground terminal 20 or the surface of the signal terminal 30, so that the two ends of the common ground spring 40 can be simultaneously contacted with a plurality of points on the signal terminal 30 or the ground terminal 20 to form a stable and reliable common ground structure, thereby reducing the generation of resonance in the electrical connector, and according to the requirement, the two ends of the common ground spring 40 are respectively contacted and connected with the signal terminal 30 or the two ends of the common ground spring 40 are respectively contacted and connected with the ground terminal 20 to provide a plurality of different connection modes, thereby improving compatibility and enhancing the degree of freedom when the common ground structure is used.

Referring to fig. 2, the elastic sheet body includes a first overlapping arm 41, a connecting arm 42 and a second overlapping arm 43 connected in sequence, and the end portions of the first overlapping arm 41 and the second overlapping arm 43 away from each other are all overlapped on the ground terminal 20 or the signal-equalizing terminal 30. In an alternative embodiment, the first and second bridging arms 41 and 43 are connected to the signal terminals 30, so that multiple contacts are formed between the spring body and the signal terminals 30 to reduce the occurrence of resonance, thereby providing more stable and reliable functions. Of course, in another embodiment, both the first and second bridging arms 41 and 43 may be bridged on the ground terminal 20.

Further, the connecting arm 42 includes a first connecting plate 421 and a second connecting plate 422, a first end of the first connecting plate 421 is connected to a first end of the second connecting plate 422, a second end of the first connecting plate 421 is connected to the first overlapping arm 41, and a second end of the second connecting plate 422 is connected to the second overlapping arm 43. In this embodiment, connect first bridging arm 41 and second bridging arm 43 respectively through setting up first connecting plate 421 and second connecting plate 422 for the cross-section of connecting arm 42 is the V type (or U type), so not only can effectively reduce the shared space of shell fragment body and also can effectively solve the condition that the resonance produced.

Referring to fig. 2 again, each of the first and second bridging arms 41 and 43 includes a connecting end 411, an extending section 412 and an arc section 413, and the arc section 413 abuts against the surface of the ground terminal 20 or the signal terminal 30. In the present embodiment, the arc segment 413 abuts against the surface of the signal terminal 30 or the ground terminal 20, so that when the spring body contacts the signal terminal 30 or the ground terminal 20, a stable abutting force can be formed, thereby ensuring the normal use of the spring body. Also, in other embodiments, the shape and length of the extension 412 may be adjusted according to the type and style of the electrical connector, so as to further improve the compatibility of the common ground structure.

In an optional embodiment, the number of the first and second bridging arms 41 and 43 is multiple, and the number of the first and second bridging arms 41 and 43 is equal, so that when the signal terminal 30 or the ground terminal 20 is connected through the spring body, the contact point of the spring body can be further increased, and the occurrence of resonance can be further reduced. Of course, in other alternative embodiments, the number of the first bridging arm 41 and the second bridging arm 43 may not be equal, or may be only one, and both of them can reduce the occurrence of the resonance condition.

Further, first overlap joint arm 41 and second overlap joint arm 43 all follow the even interval arrangement of length direction of linking arm 42, through all follow the even interval arrangement of length direction of linking arm 42 with a plurality of first overlap joint arms 41 and a plurality of second overlap joint arm 43 for first overlap joint arm 41 and second overlap joint arm 43 are when contacting, and the power that the shell fragment body bore is comparatively even, thereby can effectively reduce the resonance condition and take place in, guarantee the structural strength of grounding piece.

In addition, in order to effectively fix the elastic sheet body, in an optional embodiment, a clamping hole 423 is formed in the connecting arm 42, a clamping member adapted to the shape of the clamping hole 423 is convexly arranged on an inner wall surface of the housing 10, and the clamping hole 423 is adapted to be connected to the clamping member so as to connect the elastic sheet body with the housing 10. And through the cooperation of joint spare and joint hole 423 for the shell fragment body can be fixed in on the shell 10 very firmly, prevents that the electric connector when using, the shell fragment body breaks away from taking place from the terminal.

In an embodiment, the elastic sheet body is an integrally formed part to improve the overall strength of the elastic sheet body, but in other alternative embodiments, the elastic sheet body may also be a splicing part, for example, the first bridging arm 41, the connecting arm 42 and the second bridging arm 43 are all detachable parts.

Meanwhile, the housing 10 is preferably adopted as an insulating housing 10 to prevent the housing 10 from affecting the electrical connector when the electrical connector is in use.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims (10)

1. The electric connector is characterized by comprising a shell, a plurality of grounding terminals, a plurality of signal terminals and a common-ground elastic sheet, wherein the grounding terminals, the signal terminals and the common-ground elastic sheet are all contained in the shell, the common-ground elastic sheet comprises an elastic sheet body, and two opposite ends of the elastic sheet body along the extending direction of the grounding terminals or the signal terminals are all lapped on the surface of the grounding terminals or the surface of the signal terminals.

2. The electrical connector as claimed in claim 1, wherein the spring body comprises a first overlapping arm, a connecting arm and a second overlapping arm connected in sequence, and ends of the first overlapping arm and the second overlapping arm away from each other are overlapped on the grounding terminal or the signal terminal.

3. The electrical connector of claim 2, wherein the connecting arm comprises a first connecting plate and a second connecting plate, a first end of the first connecting plate and a first end of the second connecting plate being connected, a second end of the first connecting plate being connected to the first overlapping arm, and a second end of the second connecting plate being connected to the second overlapping arm.

4. An electrical connector as in claim 3 wherein the connecting arm is V-shaped in cross-section.

5. The electrical connector of claim 2, wherein the first and second snap arms each include a connection end, an extension section, and an arc section abutting on a surface of the ground terminal or the signal terminal.

6. The electrical connector of claim 2, wherein the number of the first and second snap arms is plural and the number of the first and second snap arms is equal.

7. The electrical connector of claim 6, wherein the first and second snap arms are uniformly spaced along the length of the connecting arm.

8. The electrical connector of claim 2, wherein the connecting arm is provided with a clamping hole, a clamping member adapted to the shape of the clamping hole is convexly arranged on the inner wall surface of the housing, and the clamping hole is adapted to the clamping member to connect the elastic sheet body with the housing.

9. The electrical connector of claim 1, wherein the spring body is an integrally formed piece.

10. The electrical connector of any one of claims 1-9, wherein the housing is an insulative housing.

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