CN219554081U - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN219554081U CN219554081U CN202223078118.5U CN202223078118U CN219554081U CN 219554081 U CN219554081 U CN 219554081U CN 202223078118 U CN202223078118 U CN 202223078118U CN 219554081 U CN219554081 U CN 219554081U
- Authority
- CN
- China
- Prior art keywords
- grounding
- terminals
- base
- sides
- conductive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model discloses an electric connector, comprising: a terminal block formed with a base and a tongue plate, both sides of the base having positioning through holes; an upper row of conductive terminals and a lower row of conductive terminals fixed on the terminal seat, wherein the conductive terminals comprise a plurality of grounding terminals and a plurality of signal terminals; the middle shielding sheet is provided with a base body part arranged in the tongue plate and positioned between the two rows of conductive terminals, and a contact part formed by protruding outwards from two sides of the rear end of the base body part; an upper and lower grounding plate; the metal shell is coated on the peripheries of the terminal seat, the upper grounding piece and the lower grounding piece; the contact part passes through the positioning through hole and is electrically contacted with the inner side wall of the metal shell, the upper grounding plate and the lower grounding plate are electrically contacted with the grounding terminals positioned at the two outermost sides in the upper row and the lower row, and the upper grounding plate and the lower grounding plate are respectively electrically contacted with the inner top wall and the inner bottom wall of the metal shell. Compared with the prior art, the shielding performance of the electric connector is improved as a whole, and the performance effect of signals in a high-speed transmission state is optimized.
Description
Technical Field
The present disclosure relates to electrical connectors, and particularly to an electrical connector.
Background
The USB Type-C connector is used as a new generation product of the USB 3.0 connector, the plug interface is not directional any more, namely, the plug connector can be plugged into the socket connector in the forward and reverse directions, and the data transmission speed of 10Gbit/s is also supported. The USB Type-C connector comprises a plastic seat body and an upper row of conductive terminals and a lower row of conductive terminals which are arranged on the plastic seat body. The conductive terminals include a ground terminal and differential signal terminals disposed adjacent to the ground terminal for transmitting and receiving data at a high speed.
In order to meet the requirement of high-speed electrical connectors, high-frequency signal interference and electromagnetic interference are more easily generated between conductive terminals of the electrical connectors and between the electrical connectors which are mutually spliced.
Therefore, a feasible technical solution is needed to solve the above technical problems, improve the shielding performance of the electrical connector, and ensure the performance effect and reliability of the signal in the high-rate transmission state.
Disclosure of Invention
The embodiment of the utility model provides an electric connector, which improves the shielding performance of the electric connector as a whole and optimizes the performance effect of signals in a high-speed transmission state.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
an electrical connector for attachment to a circuit board for mating with a mating connector, comprising:
a terminal block formed with a base and a tongue plate extending forward from the base, both sides of the base having positioning through holes, the terminal block having opposite first and second surfaces;
an upper row of conductive terminals and a lower row of conductive terminals fixed on the terminal seat, wherein the conductive terminals comprise a plurality of grounding terminals and a plurality of signal terminals;
the middle shielding sheet is provided with a base body part arranged in the tongue plate and positioned between the two rows of conductive terminals, and a contact part formed by protruding outwards from two sides of the rear end of the base body part;
upper and lower grounding pieces respectively exposed to the first and second surfaces of the terminal block for mounting;
the metal shell is coated on the peripheries of the terminal seat, the upper grounding piece and the lower grounding piece;
the contact part passes through the positioning through hole and is in electrical contact with the inner side wall of the metal shell, the upper grounding piece and the lower grounding piece are in electrical contact with the grounding terminals positioned at the two outermost sides in the upper row and the lower row, and the upper grounding piece and the lower grounding piece are respectively in electrical contact with the inner top wall and the inner bottom wall of the metal shell.
Preferably, the upper and lower grounding plates include a main body, a first conductive portion and a second conductive portion, wherein the first conductive portion is located at two lateral sides of the main body and is used for being electrically connected with grounding terminals at two outermost sides, and the second conductive portion is formed by bending and extending at one longitudinal side of the main body and is used for being electrically contacted with an inner top wall or an inner bottom wall of the metal shell.
Preferably, the upper and lower grounding plates further include a first fastening portion and a second fastening portion, the first fastening portion is disposed between the main body and the second conducting portion, and the second fastening portion is disposed on the flat plate portion extending longitudinally and horizontally from the main body.
Preferably, the terminal base comprises a first body for fixing the upper row of conductive terminals, a second body for fixing the lower row of conductive terminals and an insulating body injection-molded on the first body and the second body.
Preferably, strip-shaped protrusions are respectively arranged on the two side surfaces of the insulating body, and the strip-shaped protrusions are matched with the first buckling parts to fix the upper grounding piece and the lower grounding piece on the terminal seat.
Preferably, columnar protrusions are respectively arranged on the first body and the second body, and the columnar protrusions are matched with the second buckling parts to fix the upper grounding piece and the lower grounding piece on the terminal seat.
Preferably, the middle shielding sheet is provided with a front protruding part which is formed by protruding forwards from two sides of the front end of the base body part, two sides of the tongue plate are provided with abdication holes, and the front protruding part passes through the abdication holes and is exposed outwards.
The utility model has the beneficial effects that: the contact part passes through the positioning through hole and is electrically contacted with the inner side wall of the metal shell, the upper grounding piece and the lower grounding piece are electrically contacted with the grounding terminals positioned at the two outermost sides in the upper row and the lower row, and meanwhile, the upper grounding piece and the lower grounding piece are respectively electrically contacted with the inner top wall and the inner bottom wall of the metal shell, so that an integrated shielding loop is formed on the electric connector, the shielding performance of the electric connector is integrally improved, and the performance effect of signals in a high-speed transmission state is optimized.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present utility model;
FIG. 2 is an exploded view of an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of FIG. 1 along the Y-axis;
FIG. 4 is a schematic cross-sectional view of FIG. 1 along the Z-axis;
FIG. 5 is a schematic cross-sectional view of FIG. 1 along the X-axis;
fig. 6 is a schematic diagram of a matching state of a grounding plate, a conductive terminal and an intermediate shielding plate in an embodiment of the utility model;
fig. 7 is a schematic diagram of a matching state of a grounding plate and a first body in an embodiment of the utility model;
fig. 8 is a schematic structural view of a terminal block according to an embodiment of the present utility model;
fig. 9 is a schematic structural view of a grounding plate according to an embodiment of the utility model.
Reference numerals in the drawings of the specification include:
the electric connector-100, a terminal seat-110, a base-111, a positioning through hole-111A, a tongue plate-112, a yielding hole-112A, a first surface-113, a second surface-114, a first body-115, a second body-116, a columnar protrusion-115A, an insulating body-117, a strip protrusion-117A, a conductive terminal-120, a grounding terminal-121, an intermediate shielding sheet-130, a base body portion-131, a contact portion-132, a front protrusion-133, upper and lower grounding sheets-140, a main body-141, a first conducting portion-142, a second conducting portion-143, a first buckling portion-144, a second buckling portion-145, a flat plate portion-146, and a metal shell-150.
Detailed Description
The embodiment of the utility model solves the technical problem that the electric connector in the prior art is easy to generate signals and electromagnetic interference in a high-speed transmission state by providing the electric connector.
The technical scheme in the embodiment of the utility model aims to solve the technical problems, and the overall thought is as follows:
the upper grounding piece and the lower grounding piece are electrically contacted with the grounding terminals positioned at the two outermost sides in the upper row and the lower row, and simultaneously, the upper grounding piece and the lower grounding piece are respectively electrically contacted with the inner top wall and the inner bottom wall of the metal shell, so that an integrated shielding loop is formed on the electric connector, the shielding performance of the electric connector is integrally improved, and the performance effect of signals in a high-speed transmission state is optimized.
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.
The front, rear, left, right, upper, lower, left, right, longitudinal, transverse, front, back, etc. are relative concepts used with reference to fig. 1.
As shown in fig. 1 to 9, an embodiment of the present utility model is:
an electrical connector 100 for attachment to a circuit board for mating with a mating connector, comprising:
a terminal block 110, the terminal block 100 being formed with a base 111 and a tongue plate 112 extending forward from the base 111, both sides of the base 111 having positioning through holes 111A, the terminal block 110 having opposite first and second surfaces (not shown);
an upper row and a lower row of conductive terminals 120 fixed on the terminal block 110, wherein the conductive terminals 120 comprise a plurality of grounding terminals and a plurality of signal terminals, and the grounding terminals are divided into two outermost grounding terminals 121 and a middle grounding terminal;
the middle shielding sheet 130 is provided with a base body part 131 which is arranged in the tongue plate 112 and is positioned between the two rows of conductive terminals 120, and a contact part 132 which is formed by protruding outwards from two sides of the rear end of the base body part 131;
upper and lower ground plates 140, the upper and lower ground plates 140 being respectively exposed to the first and second surface mounting of the terminal block 110;
a metal housing 150 covering the terminal block 110 and the outer peripheries of the upper and lower ground plates 140;
referring to fig. 3 to 6 with emphasis, the contact portion 132 passes through the positioning through hole 111A and is in electrical contact with the inner side wall of the metal housing 150, the upper and lower grounding plates 140 are in electrical contact with the grounding terminals 121 located at the two outermost sides in the upper and lower rows, and the upper and lower grounding plates 140 are respectively in electrical contact with the inner top wall and the inner bottom wall of the metal housing 150.
It can be understood that by arranging the ground conductive contact points between the middle shielding plate 130 and the metal housing 150, between the upper and lower ground plates 140 and the ground terminal 121, and between the upper and lower ground plates 140 and the metal housing 150, an integrated shielding circuit is formed on the electrical connector, so as to improve the shielding performance of the electrical connector as a whole and optimize the performance effect of the signal in the high-speed transmission state.
Referring again to fig. 7 and 9, the upper and lower grounding plates 140 include a main body 141, a first conductive portion 142, a second conductive portion 143, a first fastening portion 144, and a second fastening portion 145, wherein the first conductive portion 142 is located at two lateral sides of the main body 141 and is used for electrically connecting with the grounding terminals 121 at two outermost sides, and it is understood that the first conductive portion 142 may be bent downward and horizontally extended from two lateral sides of the main body 141 to form a wing-shaped portion contacting and connected with the grounding terminals 121.
The second conductive portion 143 is formed by bending and extending a longitudinal side of the main body 141, and is used for electrically contacting with an inner top wall or an inner bottom wall of the metal housing 150. It can be understood that the second conducting part 143 on the upper and lower grounding plates 140 is in conducting contact with the inner top wall and the bottom wall of the metal casing 150, and the conducting part of the second conducting part 143 is in a planar structure, so that the conducting contact area and the conducting stability can be increased, and the shielding effect can be improved.
The first fastening portion 144 is disposed between the main body 141 and the second conducting portion 143, and the second fastening portion 145 is disposed on a flat plate portion 146 extending longitudinally and horizontally from the main body 141.
As shown in fig. 7 and 8, the terminal block 110 further includes a first body 115 for fixing the upper conductive terminals 120, a second body 116 for fixing the lower conductive terminals 120, and an insulating body 117 injection-molded on the first body 115 and the second body 116. Strip-shaped protrusions 117A are respectively disposed on two side surfaces of the insulating body 117, and the strip-shaped protrusions 117A cooperate with the first fastening portions 144 to fix the upper and lower grounding plates 140 on the terminal base 110. Columnar protrusions 115A are respectively disposed on the first body 115 and the second body 116, and the columnar protrusions 115A cooperate with the second fastening portion 145 to fix the upper and lower grounding plates 140 on the terminal block 110. It should be noted that, the grounding piece can be firmly fixed on the terminal base by the arrangement of the protrusion and the buckling part.
As shown in fig. 5 and 8, the front protrusion 133 formed on the middle shielding plate 130 by protruding forward from both sides of the front end of the base portion 131, and the two sides of the tongue plate 112 have the relief holes 112A, and the front protrusion 133 passes through the relief holes 112A and is exposed outward. Thus, when the electrical connector is plugged into the mating connector, the portion of the front projection 133 passing through the relief hole 112A and exposed outward can be in latching contact with the mating connector.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples merely illustrate embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (7)
1. An electrical connector for attachment to a circuit board for mating with a mating connector, comprising:
a terminal block formed with a base and a tongue plate extending forward from the base, both sides of the base having positioning through holes, the terminal block having opposite first and second surfaces;
an upper row of conductive terminals and a lower row of conductive terminals fixed on the terminal seat, wherein the conductive terminals comprise a plurality of grounding terminals and a plurality of signal terminals;
the middle shielding sheet is provided with a base body part arranged in the tongue plate and positioned between the two rows of conductive terminals, and a contact part formed by protruding outwards from two sides of the rear end of the base body part;
upper and lower grounding pieces respectively exposed to the first and second surfaces of the terminal block for mounting;
the metal shell is coated on the peripheries of the terminal seat, the upper grounding piece and the lower grounding piece;
the contact part passes through the positioning through hole and is in electrical contact with the inner side wall of the metal shell, the upper grounding piece and the lower grounding piece are in electrical contact with the grounding terminals positioned at the two outermost sides in the upper row and the lower row, and the upper grounding piece and the lower grounding piece are respectively in electrical contact with the inner top wall and the inner bottom wall of the metal shell.
2. The electrical connector of claim 1, wherein the upper and lower grounding plates comprise a main body, a first conductive portion and a second conductive portion, the first conductive portion is disposed at two lateral sides of the main body for electrically connecting with the grounding terminals at two outermost sides, and the second conductive portion is formed by bending and extending from one longitudinal side of the main body for electrically contacting with the inner top wall or the inner bottom wall of the metal housing.
3. The electrical connector of claim 2, wherein the upper and lower grounding tabs further comprise a first snap-fit portion and a second snap-fit portion, the first snap-fit portion being disposed between the main body and the second conductive portion, the second snap-fit portion being disposed on a flat plate portion extending longitudinally and horizontally of the main body.
4. The electrical connector of claim 3, wherein the terminal block comprises a first body for securing the upper row of conductive terminals, a second body for securing the lower row of conductive terminals, and an insulative body injection molded over the first body and the second body.
5. The electrical connector of claim 4, wherein the insulating body has respective strip-shaped protrusions on both side surfaces thereof, the strip-shaped protrusions being engaged with the first engaging portions to fix the upper and lower grounding pieces to the terminal block.
6. The electrical connector of claim 4, wherein the first body and the second body are respectively provided with a columnar protrusion, and the columnar protrusions cooperate with the second fastening portion to fix the upper and lower grounding plates on the terminal base.
7. The electrical connector as recited in any one of claims 1 to 6, wherein the intermediate shield piece has a front projection formed to project forward from both sides of a front end of the base portion, and both sides of the tongue plate have a relief hole through which the front projection passes and is exposed outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223078118.5U CN219554081U (en) | 2022-11-17 | 2022-11-17 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223078118.5U CN219554081U (en) | 2022-11-17 | 2022-11-17 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219554081U true CN219554081U (en) | 2023-08-18 |
Family
ID=87732064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223078118.5U Active CN219554081U (en) | 2022-11-17 | 2022-11-17 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219554081U (en) |
-
2022
- 2022-11-17 CN CN202223078118.5U patent/CN219554081U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10153596B2 (en) | Shielded electrical connector having two grounding members each with a plurality of contacting arms | |
| US9312641B2 (en) | Electrical connector used for transmitting high frequency signals | |
| US7008267B2 (en) | Shielded board-mounted electrical connector | |
| TWI593199B (en) | Electrical connector | |
| US10103501B2 (en) | Electrical connector with better ant-EMI effect | |
| US8137128B2 (en) | SATA electrical connector and assembly thereof | |
| US8900013B2 (en) | USB connector having an inner circuit board for connecting cables and contacts | |
| US10879649B2 (en) | Electrical connector | |
| CN210489984U (en) | High-speed backplane connector | |
| US20130337685A1 (en) | Electrical connector with detect function | |
| CN211208810U (en) | Electrical connection device | |
| CN111029821A (en) | Slot connector | |
| TWI740511B (en) | Full-shielding cable connector and cable plug thereof | |
| CN107039807B (en) | Electric connector | |
| CN212412347U (en) | Electrical connector | |
| CN213212565U (en) | Grounding structure of electric connector | |
| CN219554081U (en) | Electric connector | |
| KR20170099058A (en) | USB Connector including EMC Spring | |
| CN106961034B (en) | Electric connector | |
| US11545792B2 (en) | Electrical plug connector with grounding members having integrated first and second curved contact portions for effective ground connections | |
| CN211150963U (en) | Electrical connector | |
| CN210468282U (en) | Public seat electric connector structure of USBType-C | |
| CN109119787B (en) | Electric connector | |
| CN220510405U (en) | Female seat and board-to-board radio frequency connector | |
| CN214899184U (en) | Connector with a locking member |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |