CN204597072U - A kind of electric connector for socket based on TypeC - Google Patents

Abstract

The utility model discloses a socket electrical connector based on Type C, which comprises a housing, an upper insertion component, a middle insertion component and a lower insertion component, the upper insertion component includes an upper insulating body and an upper row of conductive terminals, and the middle insertion component includes a middle insulation The body and the metal shielding sheet, the lower insertion component includes the lower insulating body and the lower row of conductive terminals; the upper surface and the lower surface of the middle insulating body are respectively provided with twelve holes for accommodating the upper row of conductive terminals and the lower row of conductive terminals. Groove; each row of conductive terminals includes a grounding terminal, and the groove for accommodating the grounding terminal is a grounding groove; the bottom of at least one grounding groove is provided with an opening through the bottom of the groove; the socket electrical connector and the plug electrical connector When connecting, the grounding terminal passes through the opening and contacts the metal shielding sheet. In the utility model, the grounding terminal and the metal shielding sheet are in contact with each other, and the two adopt a detachable connection relationship, which improves the resonance point problem generated by the electrical connector during the high-speed transmission process.

Description

A socket electrical connector based on TypeC

technical field

The utility model relates to the technical field of electric connectors, in particular to a socket electric connector based on Type C for high-speed data transmission.

Background technique

With the rapid development of communication technology, the speed of signal transmission is getting faster and faster, and the requirements for high-frequency performance of connectors are getting higher and higher. The new generation of USB 3.1 standard requires a transmission speed of up to 20 Gbps, or even 40Gbps. In order to meet the requirements of high-speed transmission, the structure of the connector must have a new breakthrough to ensure the reliability and stability of signal transmission. In the high-frequency connector industry, such as high-speed connector industries such as USB connectors, HDMI connectors, and Display Port connectors, with higher requirements for transmission speed, the problem of resonance points becomes more prominent. In order to solve the resonance point problem under high-speed transmission, major connector manufacturers have proposed their own solutions.

For example: Chinese patent CN 204243365 U discloses an electrical connector, which includes a terminal base and two rows of conductive terminals arranged on the terminal base, and each of the conductive terminals includes a contact portion that is docked with a docking connector , the conductive terminal includes a plurality of grounding terminals, the front end of each grounding terminal is a free end of the contact part, and the rear end is a welding foot, and the welding foot of the grounding terminal is used to be inserted and fixed in the circuit The free ends of the contact parts of the ground terminals corresponding to the upper and lower rows are electrically connected to each other so that the ground terminals located in the upper row are connected to the ground terminal on the circuit board. The ground terminals in the corresponding lower row are electrically connected in parallel.

The above solution is to electrically connect the free ends of the contact parts of the corresponding grounding terminals in the upper and lower rows, which can solve the problem of the resonance point to a certain extent. The connection of the above solution is a permanent connection, the process is complicated, the implementation cost is high, the connection is not reliable, and the mass production is poor.

Utility model content

The technical problem to be solved by the utility model is to provide a Type C-based socket electrical connector with simple process, low cost, mass production and improvement of the resonance point generated when transmitting high-speed signals.

In order to achieve the above technical effects, the utility model provides a Type C-based socket electrical connector for docking with a plug electrical connector, which includes a housing, an upper insertion component, a middle insertion component and a lower insertion component. The insertion component includes an upper insulating body and an upper row of conductive terminals, the middle insertion component includes a middle insulating body and a metal shielding sheet, and the lower insertion component includes a lower insulating body and a lower row of conductive terminals; the upper surface of the middle insulating body and the lower The surface is provided with twelve grooves for accommodating the upper row of conductive terminals and the lower row of conductive terminals; each row of conductive terminals includes grounding terminals, and the grooves for accommodating the grounding terminals are grounding grooves; at least one The bottom of the grounding groove is provided with an opening through the bottom of the groove; when the socket electrical connector is docked with the plug electrical connector, the grounding terminal passes through the opening and contacts the metal shielding sheet.

As an improvement to the above solution, when the socket electrical connector is not docked with the plug electrical connector, the ground terminal contacts the metal shielding sheet through the opening.

As an improvement to the above solution, when the socket electrical connector is not docked with the plug electrical connector, the ground terminal is separated from the metal shielding sheet.

As an improvement to the above solution, when the socket electrical connector is docked with the plug electrical connector, the plug electrical connector provides pressure to the grounding terminal to cause elastic deformation of the grounding terminal, whereby the grounding terminal passes through the opening and contacts the grounding terminal. The metal shielding sheet is in contact.

As an improvement of the above solution, each conductive terminal includes a butt joint portion extending horizontally forward beyond the insulating body, a welding portion extending horizontally backward beyond the insulation body, and a main body portion located between the butt joint portion and the welding portion, the butt joint portion The front end of is the free end;

The opening on the ground groove is located at the bottom of the free end of the ground terminal.

As an improvement of the above solution, the free end of the ground terminal is provided with a slope inclined towards the metal shielding sheet.

As an improvement of the above solution, the free end of the ground terminal is provided with a protrusion protruding toward the metal shielding sheet.

As an improvement of the above solution, the housing includes an inner shell and an outer shell, and the outer shell is provided with at least two welding feet, and the two welding feet are arranged to have a height difference. The shell is provided with a front welding foot and a rear welding foot, and the height of the rear welding foot is higher than that of the front welding foot. The front end of the inner shell has an oval docking frame opening, which is used for the front and back insertion and mating of the butt plug connector.

Implementing the utility model has the following beneficial effects:

In the utility model, in the grounding groove for accommodating the grounding terminal in the insulating body, the bottom of at least one grounding groove is provided with an opening through the bottom of the groove. The opening is in contact with the metal shielding sheet. The utility model improves the contact between the grounding terminal and the metal shielding sheet, and improves the grounding problem of the grounding terminal through the metal shielding sheet, thereby effectively improving the problem of resonance point and electromagnetic interference generated by the electrical connector during high-speed transmission. Moreover, the utility model can form openings on the intermediate insulating body through ordinary processes (such as stamping), and the relevant processes for making the openings are quite mature, easy to operate, highly implementable, and can be mass-produced on a large scale, reducing production costs.

The ground terminal and the metal shielding sheet of the utility model are in a mutual contact relationship, that is, a separable connection relationship, which is different from the permanent connection method in the prior art. The detachable connection relationship does not need to add welding, mechanical connection and other processes, which is conducive to cost control, and the detachable connection relationship does not need to consider the connection effect and reliability, which is conducive to ensuring the quality of the finished product.

Description of drawings

Fig. 1 is a three-dimensional combined view of the first embodiment of the socket electrical connector of the present invention;

Fig. 2 is a three-dimensional exploded view of the socket electrical connector shown in Fig. 1;

Fig. 3 is a schematic structural view of the insertion assembly shown in Fig. 1;

Fig. 4 is an enlarged view of part A shown in Fig. 3;

Fig. 5 is a schematic diagram of the structure of the ground terminal after being assembled into the middle insertion component;

Fig. 6 is a schematic diagram of the structure when the socket and the plug electrical connector are docked;

7 is a schematic diagram of the state of the grounding terminal of the plug electrical connector, the grounding terminal of the socket electrical connector, and the metal shield when the socket and the plug electrical connector are docked;

Fig. 8 is a schematic diagram of the state of the grounding terminal of the socket electrical connector and the metal shield when the socket and the plug electrical connector are docked;

Fig. 9 is a schematic diagram of the state of the grounding terminal of the socket electrical connector and the metal shielding sheet when the socket and the plug electrical connector are not connected;

Fig. 10 is a schematic structural diagram of an upper grounding terminal;

Fig. 11 is a schematic diagram of the state of the grounding terminal and the metal shielding sheet of the socket electrical connector when the second embodiment of the socket electrical connector of the present invention is docked with the plug electrical connector;

Fig. 12 is a schematic diagram of the state of the grounding terminal and the metal shielding sheet of the socket electrical connector shown in Fig. 11 when the socket electrical connector and the plug electrical connector are not docked;

Fig. 13 is a schematic diagram of the state of the grounding terminal and the metal shielding sheet of the socket electrical connector when the third embodiment of the socket electrical connector of the present invention is docked with the plug electrical connector;

14 is a schematic view of the state of the ground terminal and the metal shielding sheet of the electrical socket connector shown in FIG. 13 when the electrical socket connector shown in FIG. 13 is not docked with the plug electrical connector.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings.

1-14, the utility model provides a variety of implementations of a Type C-based socket electrical connector 100, the socket electrical connector 100 is used for docking with a plug electrical connector 900, including a housing 1, an upper The insertion assembly 2, the middle insertion assembly 3 and the lower insertion assembly 4, the upper insertion assembly 2 includes an upper insulating body 20 and an upper row of conductive terminals 21, and the middle insertion assembly 3 includes a middle insulating body 30 and a metal shielding sheet 31. The lower insertion component 4 includes a lower insulating body 40 and a lower row of conductive terminals 41 . The upper surface and the lower surface of the middle insulating body are respectively provided with twelve grooves 32 for accommodating the upper row of conductive terminals and the lower row of conductive terminals.

Preferably, the upper insertion component 2 includes an upper insulating body 20 and an upper row of conductive terminals 21 formed integrally with the upper insulating body, and the middle insertion component 3 includes a middle insulating body 30 and a metal body formed integrally with the middle insulating body The shielding sheet 31, the lower insertion component 4 includes a lower insulating body 40 and a lower row of conductive terminals 41 integrally formed with the lower insulating body. The upper, middle and lower insertion components are all made in one piece, which can reduce the volume of the electrical socket connector.

The middle insulating body 30 is provided with a groove 32 corresponding to each conductive terminal for accommodating the corresponding conductive terminal. Each row of conductive terminals includes a grounding terminal, and the groove for accommodating the grounding terminal is a grounding groove; at least one The bottom of the grounding groove is provided with an opening 33 penetrating through the bottom of the groove. When the socket electrical connector 100 is mated with the plug electrical connector 900 , the ground terminal passes through the opening 33 and contacts the metal shielding sheet. However, when the socket electrical connector 100 is not docked with the plug electrical connector 900 , the ground terminal can pass through the opening 33 and the metal shielding sheet 31 to be in contact or separated.

The utility model improves the contact between the grounding terminal and the metal shielding sheet, and improves the grounding problem of the grounding terminal through the metal shielding sheet, thereby effectively improving the problem of resonance point and electromagnetic interference generated by the electrical connector during high-speed transmission. Moreover, the utility model can form openings on the intermediate insulating body through ordinary processes (such as stamping), and the relevant processes for making the openings are quite mature, easy to operate, highly implementable, and can be mass-produced on a large scale, reducing production costs.

The prior art solves the grounding problem through the connection between the grounding terminals, but the utility model realizes the grounding through the contact between the metal shielding sheet and the grounding terminal. The utility model effectively improves the electrical connection by changing the grounding path. The resonance point problem generated by the connector during high-speed transmission.

In the first embodiment shown in FIGS. 1 to 10 , the upper row of conductive terminals 21 includes an upper ground terminal 210 , the lower row of conductive terminals 41 includes a lower ground terminal 410 , and the middle insulating body 30 is provided with a hole for accommodating the upper ground terminal 210 . The grounding groove 320, the middle insulating body 30 is provided on the grounding groove 321 for accommodating the lower grounding terminal 410, the grounding groove 320 is provided with an opening 330 passing through the bottom of the groove, and the grounding groove 321 is provided with an opening passing through the bottom of the groove 331.

The openings 330, 331 can be rectangular, square, circular, elliptical, or other shapes, and their implementation is not limited to the embodiments of the present invention.

As shown in FIG. 8, when the socket electrical connector 100 is docked with the plug electrical connector 900, the upper grounding terminal 210 contacts the metal shielding sheet 31 through the opening 330, and the lower grounding terminal 410 contacts the metal shielding sheet 31 through the opening 331. touch. As shown in FIG. 9 , when the socket electrical connector 100 is not docked with the plug electrical connector 900 , the upper ground terminal 210 and the lower ground terminal 410 are separated from the metal shielding sheet 31 .

The ground terminal and the metal shielding sheet of the utility model are in a mutual contact relationship, that is, a separable connection relationship, which is different from the permanent connection method in the prior art. The detachable connection relationship does not need to add welding, mechanical connection and other processes, which is conducive to cost control, and the detachable connection relationship does not need to consider the connection effect and reliability, which is conducive to ensuring the quality of the finished product.

In order to make the relationship between the grounding terminal and the metal shielding sheet contact with each other, the grounding terminal and the metal shielding sheet of the utility model preferably adopt a pre-pressed lap connection. When the socket electrical connector and the plug electrical connector are docked, the plug The electrical connector provides pressure to the ground terminal to cause elastic deformation of the ground terminal, so that the ground terminal passes through the opening and contacts the metal shielding sheet.

Specifically, as shown in FIG. 7 , the electrical plug connector 900 includes an upper row of conductive terminals 91 and a lower row of conductive terminals 92 , the upper row of conductive terminals 91 includes upper ground terminals 911 , and the lower row of conductive terminals 92 includes lower ground terminals 921 . Among them, the upper ground terminal 911 and the lower ground terminal 921 of the plug electrical connector 900 generate pressure on the upper ground terminal 210 and the lower ground terminal 410 of the socket electrical connector 100, so as to press the upper ground terminal 210 and the lower ground terminal of the socket electrical connector. The terminal 410 moves toward the metal shielding plate 31 , and the upper grounding terminal 210 and the lower grounding terminal 410 are elastically deformed, whereby the upper grounding terminal 210 and the lower grounding terminal 410 pass through the openings 330 , 331 and contact the metal shielding plate 31 .

In order to better show the setting positions of the openings 330, 331, each conductive terminal of the present invention includes a butt joint extending horizontally forward beyond the insulating body, a welding portion extending horizontally backward beyond the insulating body, and a welding portion located at the butt joint and welding The main body part between the parts, the front end of the butt part is a free end. Specifically, as shown in FIG. 10 , taking the above grounding terminal as an example, the upper grounding terminal 210 includes a butt joint 210A extending horizontally forward beyond the insulating body, a welding portion 210C extending horizontally backward beyond the insulating body, and a joint between the joint 210A and the welding portion. 210C between the main body portion 210B, the front end of the docking portion 210A is a free end 210D.

The opening 330 on the ground groove 320 is preferably located at the bottom of the free end 210D of the upper ground terminal. Similarly, the opening 331 on the ground groove 321 is preferably located at the bottom of the free end of the lower ground terminal.

More preferably, as shown in FIGS. 8 and 9 , the free ends of the ground terminals 210 , 410 are provided with slopes 5 inclined toward the metal shielding sheet 31 , which improves the contact effect between the grounding terminals 210 , 410 and the metal shielding sheet 31 .

More preferably, as shown in Figures 1 and 2, the housing 1 includes an inner shell 11 and an outer shell 12. The front end of the inner shell 11 has an oval docking frame opening 110 for connecting the front and back of the plug connector. Insert fit, with the advantage of convenience for both positive and negative insertion. The housing 12 is provided with at least two welding feet, namely a front welding foot 120 and a rear welding foot 121 , and the welding feet 120 and 121 are set to have height differences. Preferably, the shell 12 is provided with four welding feet, and the height of the rear welding feet 121 is higher than the height of the front welding feet 120, which can ensure that the center of gravity of the product is backward when the product is soldered on the PCB board, so that The soldering terminal can be well attached to the solder paste on the PCB board to enhance the soldering quality.

11-12 show the second embodiment of the present utility model, which is different from the first embodiment in that: when the socket electrical connector 100 is docked with the plug electrical connector 900, the grounding terminals 210, 410 pass through the openings 330, 331 is in contact with the metal shielding sheet 31 ; and when the receptacle electrical connector 100 is not docked with the plug electrical connector 900 , the ground terminals 210 , 410 pass through the openings 330 , 331 and contact the metal shielding sheet 31 .

Fig. 13-14 has shown the third embodiment of the present utility model, and the difference with the first embodiment is: the free end of grounding terminal 210,410 is provided with the protruding part 6 that protrudes toward metal shielding sheet 31, and protruding part 6 A substantially hook-shaped structure is formed with the ground terminals 210 and 410 to improve the contact effect between the ground terminals and the metal shielding sheet.

In summary, the grounding terminal and the metal shielding sheet of the utility model are in contact with each other, that is, a separable connection relationship, which improves the contact between the grounding terminal and the metal shielding sheet, and improves the resonance point generated by the electrical connector during high-speed transmission. problems and EMI problems.

The above is a preferred embodiment of the present utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, some improvements and modifications can also be made, these improvements and modifications It is also regarded as the protection scope of the present utility model.

Claims (10)

1. A socket electrical connector based on TypeC, for docking with a plug electrical connector, which includes a housing, an upper insertion assembly, a middle insertion assembly and a lower insertion assembly, wherein the upper insertion assembly includes an upper insulation The body and the upper row of conductive terminals, the middle insertion component includes a middle insulating body and a metal shielding sheet, the lower insertion component includes a lower insulating body and a lower row of conductive terminals; the upper surface and the lower surface of the middle insulating body are respectively provided with ten Two grooves for accommodating the upper row of conductive terminals and the lower row of conductive terminals; Each row of conductive terminals includes a grounding terminal, and the groove for accommodating the grounding terminal is a grounding groove; The bottom of at least one grounding groove is provided with an opening through the bottom of the groove; When the socket electrical connector is docked with the plug electrical connector, the ground terminal passes through the opening and contacts the metal shielding sheet. 2. The socket electrical connector according to claim 1, wherein when the socket electrical connector is not docked with the plug electrical connector, the ground terminal passes through the opening and contacts the metal shielding sheet . 3 . The socket electrical connector according to claim 1 , wherein when the socket electrical connector is not docked with the plug electrical connector, the ground terminal is separated from the metal shielding sheet. 4 . 4. The socket electrical connector according to any one of claims 1 to 3, wherein when the socket electrical connector is docked with the plug electrical connector, the plug electrical connector provides pressure to the ground terminal, The ground terminal is elastically deformed, so that the ground terminal passes through the opening and contacts the metal shielding sheet. 5. The electrical receptacle connector as claimed in claim 4, wherein each conductive terminal comprises a butt joint portion extending horizontally forward beyond the insulating body, a welding portion extending horizontally backward beyond the insulating body, and located between the butt joint portion and the insulating body. The main body between the welding parts, the front end of the butt joint is a free end; The opening on the ground groove is located at the bottom of the free end of the ground terminal. 6 . The socket electrical connector according to claim 5 , wherein the free end of the ground terminal is provided with a slope inclined toward the metal shielding sheet. 6 . 7 . The socket electrical connector according to claim 5 , wherein the free end of the ground terminal is provided with a protrusion protruding toward the metal shielding sheet. 8 . 8. The socket electrical connector according to claim 1, wherein the housing includes an inner shell and an outer shell, and the outer shell is provided with at least two welding feet, and the two welding feet are set to have a height Difference. 9 . The socket electrical connector according to claim 8 , wherein a front soldering leg and a rear soldering leg are provided on the housing, and the height of the rear soldering leg is higher than that of the front soldering leg. 10 . 10 . The socket electrical connector according to claim 8 , wherein the front end of the inner shell has an oval mating frame opening, which is used for the front and back mating of the butt plug connector. 11 .