CN210838317U - Connector capable of abutting metal shell with extension part of grounding middle plate - Google Patents

Abstract

The utility model relates to a can be with connector of extension butt metal casing of ground connection medium plate, including an insulator, a first metal terminal group, a second metal terminal group, a ground connection medium plate and a metal casing, wherein, in this first metal terminal group can be fixed in the insulator with second metal terminal group, this ground connection medium plate then is located between these first metal terminal group and the second metal terminal group, this insulator and last component can assemble to this metal casing in the lump, the utility model is characterized in that, at least one side of this ground connection medium plate can be equipped with an extension outwards, and this insulator can be worn out to each this extension to direct butt to the inner wall of this metal casing, so, through aforementioned simple ground mechanism, can make this connector have the high frequency characteristic of preferred.

Description

Connector capable of abutting metal shell with extension part of grounding middle plate

Technical Field

The present invention relates to a connector, and more particularly to a connector having an extension portion on a grounding middle plate, wherein the extension portion can be abutted to a metal shell.

Background

In order to receive electronic signals and power from the outside, various electronic devices (e.g., smart phones, tablet computers, desktop computers, notebook computers, digital cameras, etc.) usually have to configure a signal Connector on the body of each electronic device, generally speaking, the signal Connector (Connector) refers to all connecting elements and accessories thereof applied to electronic signals and power, and is a bridge for all signals, the quality of which affects the reliability of current and signal transmission and is also closely related to the operation of the electronic devices.

Accordingly, with the development of AR/VR applications and the emergence of 4K/8K displays, high-quality image transmission is becoming mainstream, and therefore, the original analog interface is certainly unable to meet the requirement, so that DisplayPort (video connector) becomes the preferred interface standard of Consumer Electronics (CE) devices, wherein, in response to the design requirement of modern people for the Consumer Electronics devices, mostly "thin and short" is taken as the main one, but the functional requirement is desired to have various novel functions, therefore, the arrangement space of each component in the Consumer Electronics devices must be relatively small for the industry to meet the requirement of consumers between appearance and function, so as to improve the competitiveness of the industry on the market, which causes the volume of DisplayPort to be reduced together, so as to move more available space, however, with the reduction of the volume of the DisplayPort, two sets of signal terminals therein are necessarily closer, and for high frequency transmission, the two sets of signal terminals are likely to form interference, which adversely affects the high frequency and high speed transmission performance of the DisplayPort.

In the situation that the transmission speed of digital signals has been advancing to high speed and high frequency, the digital signals transmitted through the signal connector also generate loss during the transmission process, so that the loss is minimized, and the digital signals can obtain stable and accurate transmission quality, which has become an important issue in the development of the high frequency signal connector industry.

SUMMERY OF THE UTILITY MODEL

In order to be able to be in the market with fierce competition, it is clear that the inventor relies on the abundant work experience that various power supply or signal connector designs, processing and makes of specialty over the years, and inherits the research spirit of lean and refinement, after long-term hard research and experiment, eventually develops the utility model discloses a can be with the connector of extension butt metal casing of ground connection medium plate, expect to pass through the utility model discloses an emerge, provide better product.

An object of the present invention is to provide a connector capable of abutting against a metal housing by an extension portion of a grounding middle plate, which includes an insulating body, a first metal terminal set, a second metal terminal set, a grounding middle plate and a metal housing, wherein the first metal terminal set includes a plurality of first metal terminals, the first metal terminals are disposed on the insulating body, and front ends of the first metal terminals are exposed; the second metal terminal group comprises a plurality of second metal terminals, the second metal terminals are arranged on the insulating body, the front ends of the second metal terminals are exposed out, and are separated from the first metal terminals by a distance, and the grounding middle plate is arranged on the insulating body and is positioned between the first metal terminal group and the second metal terminal group; an assembly space is arranged in the metal shell, and the insulating body can extend into and be fixed in the assembly space; the utility model is characterized in that, at least one side of this ground connection medium plate can be equipped with an extension outwards, and this insulator can be worn out to each this extension to direct butt to this metal casing's inner wall, so, through aforementioned simple ground mechanism, can make the connector have the high frequency characteristic of preferred.

For the purpose of making the present invention easier to understand, its technical features and effects, the following detailed description is made with reference to the accompanying drawings in combination with the specific embodiments:

drawings

Fig. 1 is an exploded schematic view of a connector of the present invention;

fig. 2 is an exploded view of the insulator and its upper components of the present invention;

fig. 3 is an assembly schematic of the connector of the present invention;

fig. 4 is a schematic cross-sectional view of a connector of the present invention;

fig. 5 is a NEXT test result of the connector of the present invention with a known connector; and

fig. 6 is FEXT test results for the connector of the present invention with a known connector.

[ description of main reference symbols in the drawings ]

1 connector

10 insulating body

100 accommodation space

101 tongue plate

102 terminal groove

11 first metal terminal group

111 first metal terminal

12 second metal terminal group

121 second metal terminal

13 ground middle plate

131 extension part

134 positioning foot

14 metal shell

140 space for assembly

Detailed Description

The present invention relates to a connector with a grounding terminal and a grounding middle plate having welding pins in the same welding area, please refer to fig. 1-3, in an embodiment, the connector 1 includes an insulation body 10, a first metal terminal set 11, a second metal terminal set 12, a grounding middle plate 13 and a metal housing 14, for convenience of description, the upper side of fig. 1 is used as the upper (top) position of the component, the lower side of fig. 1 is used as the lower (bottom) position of the component, the left lower side of fig. 1 is used as the front position of the component, and the upper right side of fig. 1 is used as the rear position of the component. In addition, the form of the connector of the present invention is not limited to that depicted in fig. 1, and those skilled in the art can adjust the style of each element according to the product requirement, and even the metal shell 14 can be integrated with the housing or other mechanisms of the product, and those skilled in the art only need to assemble the insulating body 10 together with the elements thereon into the elements equivalent to the metal shell 14, so as long as the connector 1 has the related basic structure and function of the following embodiments, that is, the connector 1 to be protected of the present invention is described in advance.

Referring to fig. 1 to 3, in the embodiment, an assembly space 140 is disposed in the metal housing 14, the insulating body 10 can be inserted into and fixed to the assembly space 140, so as to achieve the effects of electromagnetic interference (EMI) prevention, grounding and protection of the insulating body 10 through the function of the metal housing 14, and the insulating body 10 is provided with an accommodating space 100, it is stated that the accommodating space 100 mainly refers to an area where the insulating body 10 is used to accommodate or mount other components, in the embodiment, the specification type of the connector 1 is a female end (socket end) of a video connector (DisplayPort), and therefore, the insulating body 10 can be provided with a tongue plate, and a plurality of terminal slots 102 are formed therein (as shown in fig. 2). In other embodiments of the present invention, the insulator 10 can be configured as a frame according to the connector requirements of different specifications, and the terminal groove 102 is formed on the inner wall thereof, not limited to the form shown in fig. 1, meanwhile, the insulator 10 can be formed as one piece or assembled by a plurality of components, depending on the product specification and design requirements.

Referring to fig. 1 to 3, the first metal terminal group 11 is fixed on the insulating body 10 and includes a plurality of first metal terminals 111, in this embodiment, the first metal terminals 111 are disposed in the terminal grooves 102 on the top surface of the tongue plate 101, and front ends thereof are exposed (as shown in fig. 1), and rear ends of the first metal terminals 111 can be connected (e.g., soldered) to a circuit board or other components; the second metal terminal set 12 is also fixed on the insulating body 10, and includes a plurality of second metal terminals 121, in this embodiment, the second metal terminals 121 are disposed in the terminal grooves 102 on the bottom surface of the tongue plate 101, and the front ends thereof are exposed (not shown), and the rear ends of the second metal terminals 121 can be connected (e.g., soldered) to a circuit board or other devices; each of the first metal terminals 111 and the second metal terminals 121 can be at least one of a signal terminal, a ground terminal, or a power terminal, for example, the first metal terminal group 11 can include a combination of a plurality of signal terminals, a plurality of ground terminals, and a power terminal, and the second metal terminal group 12 can also include the three types of terminals, or only one or two types of terminals, depending on the specification of the connector 1.

Referring to fig. 1 to 4, the grounding middle plate 13 can be made of metal and can be located between the first metal terminal set 11 and the second metal terminal set 12, in this embodiment, the front side of the grounding middle plate 13 can be located in the tongue plate 101, the rear side of the grounding middle plate 13 can be provided with at least one positioning pin 134 for being connected (e.g., welded, plugged) to a circuit board or other device, wherein two corresponding sides of the grounding middle plate 13 are respectively provided with an extending portion 131 outward, the top surface of each extending portion 131 is parallel to the top surface of the grounding middle plate 13, so as to be horizontally formed by the side edge of the grounding middle plate 13 outward and respectively penetrate through the insulating body 10 and directly abut against the inner wall of the metal housing 14 (as shown in fig. 4), so that the connector 1 can have better high-frequency characteristics by the direct contact between the grounding middle plate 13 and the metal housing 14, meanwhile, in the process of producing the grounding middle plate 13, the configuration of the extension part 131 can be integrally stamped, so that the process is effectively simplified, the cost is reduced, and a person skilled in the art does not need to additionally design a complex grounding structure.

In view of the above, referring to fig. 4, in this embodiment, the width of the grounding middle plate 13 and the two extending portions 131 can be slightly larger than the width between the two corresponding inner walls of the metal shell 14, so that the extending portions 131 can be connected to the metal shell 14 in an interference lap joint manner, in other embodiments of the present invention, a person skilled in the art can also change the configuration of the grounding middle plate 13 and use a spring or a bend to abut against the inner walls of the metal shell 14; in addition, according to the product and specification requirements, the ground middle plate 13 can be provided with only a single extension portion 131, and the extension portion 131 is not limited to extend horizontally, but also can extend vertically and abut against the top side inner wall or the bottom side inner wall in the metal shell 14. To highlight the effect that can be achieved by the present invention, please refer to fig. 5-6, in which fig. 5 shows a near-end crosstalk (NEXT) test result, a thick dotted line thereof is a limit lineNEXT, a thin line thereof is a test result of the connector (with the extension 131) of the present invention, and a thick line thereof is a test result of a known connector (without the extension 131); fig. 6 shows the test result of remote crosstalk (FEXT), wherein the thick dotted line is limit lineFEXT, the thin line is the test result of the connector (with the extension 131) of the present invention, and the thick line is the test result of the known connector (without the extension 131); as shown in fig. 5 to 6, the connector 1 of the present invention with the structure of the extension portion 131 has a high frequency and high speed transmission capability of 5GHz to 10GHz, which is indeed superior to the known connector.

The above description is only a preferred embodiment of the present invention, and the claimed invention is not limited thereto, and equivalent changes that can be easily conceived by those skilled in the art according to the technical contents disclosed in the present invention should belong to the protection scope of the present invention.

Claims (5)

1. A connector capable of abutting a metal shell with an extension of a ground midplane, comprising:

an insulating body;

a first metal terminal group, including multiple first metal terminals, which are arranged on the insulating body and the front ends of which are exposed;

a second metal terminal group including multiple second metal terminals, which are arranged on the insulating body, the front ends of which are exposed and are separated from the first metal terminals by a distance;

the grounding middle plate is arranged on the insulating body and is positioned between the first metal terminal group and the second metal terminal group; and

a metal shell, in which an assembly space is set, said insulating body can be extended into said assembly space and fixed in it;

it is characterized in that at least one side of the grounding middle plate is provided with an extension part outwards, and each extension part penetrates through the insulation body and is directly abutted to the inner wall of the metal shell.

2. The connector according to claim 1, wherein the housing further includes a tongue plate, the front ends of the first metal terminals are exposed on a top surface of the tongue plate, and the front ends of the second metal terminals are exposed on a bottom surface of the tongue plate.

3. A connector according to claim 2, wherein the front side of the ground middle plate is locatable in the tongue plate.

4. A connector as defined in any one of claims 1 to 3, wherein the top surface of each of said extensions is parallel to the top surface of said ground middle plate so as to extend horizontally outward from the side edge of said ground middle plate.

5. The connector of claim 4, wherein the rear side of the ground plane board further comprises at least one positioning pin.

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