TWM496273U - Micro high-speed plug electrical connector - Google Patents

Description

Micro high speed plug electrical connector

The utility model relates to a plug electrical connector, in particular to a micro high-speed plug electrical connector, which simultaneously filters out noise on all coaxial cables through a grounding strip to avoid high-frequency signal interference between high-frequency signal terminals and electrical connection of plugs. The device interferes with the signals of other nearby electronic devices.

The electrical connector is a common electronic component on the electronic device, and can be connected to the matching electrical connector on the other electronic device, thereby transmitting signals and power between the two electronic devices. Please refer to the Chinese Patent Publication No. CN223012819. The invention discloses an electrical connector having an insulating body, a conductive terminal, a metal casing and a cable. The cable has a plurality of coaxial wires and a ground wire, each of the coaxial wires having a core wire, an insulating endoscope and a braid layer. The core wire is sequentially coated with an insulating endothelium and a braid layer, and is electrically connected to the conductive terminals. In addition, the braid layer and the grounding wire are soldered to the inner surface of the metal casing, and the electrical connector is grounded by welding. However, the structure in which the braided layer of the cable and the grounding wire are respectively soldered into the metal casing requires a process of drawing a part of the upper braid layer of the core wire and then welding it to the inner surface of the metal casing, and its structure and manufacture are both Complex and difficult, when the number of coaxial lines is large, the welding procedure of the braid will be more cumbersome and prone to flaws, resulting in poor grounding of the electrical connector, and the stability and efficiency of the high-frequency signal transmission of the conductive terminals are poor. .

Please refer to the Chinese Patent No. CN201601302. The utility model patent discloses another electrical connector, which comprises an insulating body, a plurality of conductive terminals, a plurality of coaxial cables and a cover. Each of the coaxial cables has an inner conductor, an inner insulating layer, a metal braided mesh, and an outer insulating layer. However, the electrical connector does not indicate how to ground the coaxial cable. In the absence of a grounded structure, the conductive terminals will generate signal interference with each other, reducing the stability and efficiency of high-frequency signal transmission.

In view of the complicated manufacturing procedure of the traditional electrical connector grounding structure, the present inventors easily lead to the problem of flawless grounding and grounding, and improve the deficiencies and defects thereof, thereby creating a miniature high-speed plug electrical connector.

The main purpose of the present invention is to provide a miniature high-speed plug electrical connector that simultaneously filters out noise on all coaxial cables through a grounding strip to avoid high-frequency signal interference between high-frequency signal terminals and other electrical components in the vicinity of the plug electrical connector. Signal interference of the device.

To achieve the above purpose, the aforementioned micro high-speed plug electrical connector includes:

An insulative housing has a base, a first tongue and a second tongue, the first tongue and the second tongue projecting forward from the front end of the base and are arranged side by side in the horizontal direction;

The first terminal is disposed on the base and the first tongue, each of the first terminals has a first fixing segment, a first electrical contact segment and a first welding segment, the first electrical contact segment The first fixing section extends forward, and the first welding section extends rearward from the first fixing section;

a plurality of second terminals disposed on the base and the second tongue, disposed on the base and the first tongue, each of the second terminals having a second fixing section, a second electrical contact section and a second a welding section, the second electrical contact section extends forward from the second fixing section, and the second welding section extends rearward from the second fixing section;

a shielding case covering the insulative housing, the first terminals and the second terminals, and having a first housing and a second housing, wherein the first housing has a first insertion space formed therein The second housing is connected to the first housing, and the second housing is formed with a second insertion space to accommodate the second housing. a terminal and the second tongue;

a fixing seat is disposed at a rear end of the insulating body, and a first welding section of each of the first terminals is placed on a top surface or a bottom surface of the fixing seat, and a second welding section of each of the second terminals is placed on the fixing seat a top surface or a bottom surface, respectively, a grounding piece is disposed on the top surface and the bottom surface of the fixing base, and the two grounding pieces are respectively electrically connected to the second welding segments of the second terminals;

a cable, disposed on the fixing base and having a first wire group, the first wire group is disposed on the top surface and the bottom surface of the fixing base and has a plurality of coaxial lines, each of the coaxial wires having a conductive core wire, An inner insulating layer and a woven layer electrically connected to the second soldering portion of one of the second terminals, the inner insulating layer covering the conductive core, the woven layer covering the inner insulating layer and electrically connecting the conductive layer A grounding piece.

By the above technical means, the grounding piece of the novel miniature high-speed plug electrical connector is fixedly and electrically connected with the braid of all coaxial wires, and the second welded portion of the second terminal is also welded or otherwise. The manner is fixed and electrically connected to the conductive core of the coaxial line. Therefore, the grounding strip effectively grounds all the coaxial lines, avoiding signal interference between the coaxial lines or signal interference between the second terminals, and the plug electrical connector does not transmit signal unstable during operation. The speed reduction will not accidentally interfere with the nearby wireless Bluetooth device or WIFI device.

The cable further has a second wire set disposed on a bottom surface of the fixing base and having a plurality of wires, each of the wires being fixedly and electrically connected to the first welding segment of one of the first terminals.

The micro high-speed plug electrical connector further has an upper shielding cover and a lower shielding cover. The upper shielding cover and the lower shielding cover cover the base of the insulating body and the first welding section of the first terminal. a second soldering section of the second terminal, the fixing base, the end of the coaxial line, and the end of the wire.

A fastening hole is formed on each of the two sides of the upper shielding cover; a fastening member is respectively formed on both sides of the lower shielding cover to be combined with the corresponding fastening hole.

The first tongue of the insulative housing is provided with a latching component, and the latching component is formed with two elastic latching arms located in the first plugging space of the first housing of the shielding shell, and the ends of the elastic latching arms are formed. There is a hook portion that passes out of the top surface of the first casing.

Each of the foregoing coaxial wires further includes an outer insulating layer that is coated outside the braided layer.

Another object of the present invention is to provide a miniature high speed plug electrical connector comprising:

An insulative housing has a base, a first tongue and a second tongue, the first tongue and the second tongue projecting forward from the front end of the base and are arranged side by side in the horizontal direction;

The first terminal is disposed on the base and the first tongue, each of the first terminals has a first fixing segment, a first electrical contact segment and a first welding segment, the first electrical contact segment The first fixing section extends forward, and the first welding section extends rearward from the first fixing section;

a plurality of second terminals, wherein the second terminals of the second and second tongues have a second fixing portion, a second electrical contact portion and a second welding portion, the second electrical contact portion The second fixing section extends forward, and the second welding section extends rearward from the second fixing section;

a shielding case covering the insulative housing, the first terminals and the second terminals, and having a first housing and a second housing, wherein the first housing has a first insertion space formed therein The second housing is connected to the first housing, and the second housing is formed with a second insertion space to accommodate the second housing. a terminal and the second tongue;

a circuit board disposed at a rear end of the insulating body, wherein a plurality of first terminal pads and a plurality of second terminal pads are respectively disposed on the top surface and the bottom surface of the circuit board, wherein each of the second terminal pads is respectively provided The second welding segments of the two terminals are soldered, and the first terminal pads are respectively soldered to the first soldering portion of the first terminal, and a plurality of wire bonding pads are respectively disposed on the top surface and the bottom surface of the circuit board, and a grounding piece is disposed on a top surface of the circuit board;

a cable disposed on the circuit board and having a first wire group disposed on a top surface of the circuit board and having a plurality of coaxial wires, each of the coaxial wires having a conductive core wire and an inner insulation And a woven layer, the conductive core is fixedly and electrically connected to a top surface of the circuit board and corresponding to the wire bonding pad, the inner insulating layer covers the conductive core wire, and the woven layer covers the inner insulating layer and Electrically connect the grounding strip on the board.

The cable further has a second wire set disposed on a bottom surface of the circuit board and having a plurality of wires respectively fixed and electrically connected to the wire pads on the bottom surface of the circuit board.

The micro high-speed plug electrical connector further has an upper shielding cover and a lower shielding cover. The upper shielding cover and the lower shielding cover cover the base of the insulating body and the first welding section of the first terminal. a second soldering segment of the second terminal, the circuit board, the end of the coaxial line, and the end of the wire.

A fastening hole is formed on each of the two sides of the upper shielding cover; a fastening member is respectively formed on both sides of the lower shielding cover to be combined with the corresponding fastening hole.

The first tongue of the insulative housing is provided with a latching component, and the latching component is formed with two elastic latching arms located in the first plugging space of the first housing of the shielding shell, and the ends of the elastic latching arms are formed. There is a hook portion that passes out of the top surface of the first casing.

Each of the foregoing coaxial wires further includes an outer insulating layer that is coated outside the braided layer.

Referring to FIG. 1 to FIG. 4 , the first embodiment of the novel high-speed plug electrical connector includes an insulative housing 10 , a plurality of first terminals 20 , a latching component 25 , a plurality of second terminals 40 , and a shielded housing 30 . A fixing base 50, a cable 80, an upper shielding cover 60 and a lower shielding cover 70.

The insulative housing 10 has a base 11, a first tongue 12 and a second tongue 14. The first tongue 12 and the second tongue 14 project forward from the front end of the base 11 and are horizontal. The directions are side by side.

Referring to FIG. 5 and FIG. 6 , the first terminal 20 is disposed on the base 11 and the first tongue 12 , and each of the first terminals 20 has a first fixing section 21 and a first electrical contact section. 22 and a first welding section 23, the first electrical contact section 22 extends forward from the first fixing section 21, and the first welding section 23 extends rearward from the first fixing section 21.

The latching member 25 is disposed on the first tongue 12 of the insulative housing 10, and the latching member 25 is formed with two elastic latching arms 251 located in the first insertion space of the first housing 32 of the shielding housing 30. Each of the elastic buckle arms 251 is formed with a buckle portion 253 that passes out of the top surface of the first casing.

The second terminal 40 has a second fixing portion 41, a second electrical contact portion 42 and a second welding portion 43. The second electrical contact section 42 extends forward from the second fixing section 41, and the second welding section 43 extends rearward from the second fixing section 41.

The shielding case 30 covers the insulative housing 10, the first terminal 20 and the second terminals 40, and has a first housing 32 and a second housing 34. The first housing 32 is formed through the first housing 32. There is a first insertion space for receiving the first terminal 20 and the first tongue 12, the second housing 34 is connected to the first housing 32, and a second shape is formed on the second housing 34. The second insertion space accommodates the second terminals 40 and the second tongues 14.

With reference to FIG. 7 , the fixing base 50 is disposed at the rear end of the insulating body 10 , and the first welding segments 23 of the first terminals 20 are placed on the top surface or the bottom surface of the fixing base 50 for each of the second terminals. The second soldering section 43 of the 40 is placed on the top surface or the bottom surface of the mounting base 50. A grounding piece 55 is disposed on the top surface and the bottom surface of the mounting base 50. The two grounding strips 55 are electrically connected to the second terminals 40, respectively. The second welding section 43.

The cable 80 is disposed on the fixing base 50 and has a first wire group and a second wire group. The first wire group is disposed on the top surface and the bottom surface of the fixing base 50 and has a plurality of coaxial wires 90. Each of the coaxial wires 90 has a conductive core wire 91, an inner insulating layer 92, a braid layer 93 and an outer insulation. Layer 94. The conductive core 91 is electrically connected to the second solder segment 43 of one of the second terminals 40. The inner insulating layer 92 covers the conductive core 91. The woven layer 93 covers the inner insulating layer 92 and is electrically connected to one of the grounding plates 55. The outer insulating layer 94 is wrapped outside the braid layer 93. The second wire set is disposed on the bottom surface of the fixing base 50 and has a plurality of wires 90a. Each of the wires 90a is fixed to and electrically connected to the first welding segment 23 of one of the first terminals 20.

The upper shielding cover 60 and the lower shielding cover 70 cover the base 11 of the insulative housing 10, the first welding section 23 of the first terminal 20, and the second welding section 43 of the second terminal 40. The fixing base 50, the end of the coaxial line 90, and the end of the wire 90a. A fastening hole 61 is formed on each side of the upper shielding cover 60. A fastening member 71 is formed on each side of the lower shielding cover 70 to be coupled with the corresponding fastening hole 61.

Referring to FIG. 8 to FIG. 11 , the second embodiment of the novel high-speed plug electrical connector is similar to the first embodiment and includes: an insulative housing 10 , a plurality of first terminals 20 , a latching component 25 , and a plurality of second The terminal 40, a shielding case 30, a circuit board 50a, a cable 80, an upper shielding cover 60 and a lower shielding cover 70.

Referring to FIG. 12 to FIG. 14 , the circuit board 50 a is disposed at the rear end of the insulative housing 10 , and the circuit board 50 a may be provided with a semiconductor chip, for example, converting a communication protocol signal into another communication protocol signal. Signal processing of the wafer. A plurality of first terminal pads 54 and a plurality of second terminal pads 52 are respectively disposed on the top surface and the bottom surface of the circuit board 50a, wherein each of the second terminal pads 52 is respectively used for the second soldering of the second terminal 40. Sections 43 are soldered, and the first terminal pads 54 are respectively soldered to the first soldering portion 23 of the first terminal 20, and a plurality of wires 90a are respectively provided on the top surface and the bottom surface of the circuit board 50a. A grounding piece 55a is disposed on the top surface of the circuit board 50a.

The cable 80 is disposed on the circuit board 50a and has a first line set and a second line set. The first wire group is disposed on the top surface of the circuit board 50a and has a plurality of coaxial wires 90. Each of the coaxial wires 90 has a conductive core wire 91, an inner insulating layer 92, a braid layer 93 and an outer insulating layer 94. The conductive core 91 is fixed to the top surface of the circuit board 50a and is electrically connected to the corresponding conductive wire 92. The inner insulating layer 92 covers the conductive core 91, and the braid 93 covers the inner insulating layer 92. And electrically connected to the grounding strip 55a on the circuit board 50a. The outer insulating layer 94 is wrapped outside the braid layer 93. The second wire set is disposed on the bottom surface of the circuit board 50a and has a plurality of wires 90a fixed to and electrically connected to the wires 90a of the wires located on the bottom surface of the circuit board 50a.

The upper shielding cover 60 and the lower shielding cover 70 cover the base 11 of the insulative housing 10, the first welding section 23 of the first terminal 20, and the second welding section 43 of the second terminal 40. The circuit board 50a, the end of the coaxial line 90, and the end of the wire 90a.

By the above technical means, the grounding strips 55, 55a of the novel miniature high-speed plug electrical connector are fixed and electrically connected to the braided layer 93 of all the coaxial wires 90, and the second soldering of the second terminal 40 is performed. The segment 43 is also fixed and electrically connected to the conductive core 91 of the coaxial line 90 by soldering or other means. Thereby, the grounding strips 55, 55a effectively ground all the coaxial lines 90, avoiding signal interference between the coaxial lines 90 or signal interference between the second terminals 40, and the plug electrical connectors do not work during operation. The transmission number of the transmission signal is unstable and slows down, and it does not accidentally interfere with the nearby wireless Bluetooth device or WIFI device.

10‧‧‧Insulated body
11‧‧‧Base
12‧‧‧ first tongue
14‧‧‧Second tongue
20‧‧‧First terminal
21‧‧‧First fixed section
22‧‧‧First electrical contact
23‧‧‧First welding section
25‧‧‧Snap components
251‧‧‧Flexible arm
253‧‧‧ buckle hook
30‧‧‧Shielded enclosure
32‧‧‧First housing
320‧‧‧First docking space
34‧‧‧Second housing
340‧‧‧Second docking space
40‧‧‧second terminal
41‧‧‧Second fixed section
42‧‧‧Second electrical contact
43‧‧‧Second welding section
50‧‧‧ fixed seat
50a‧‧‧Circuit board
55‧‧‧ Grounding piece
55a‧‧‧ Grounding piece
60‧‧‧Upper cover
61‧‧‧ buttonhole
70‧‧‧Under cover
71‧‧‧fasteners
80‧‧‧ cable
90‧‧‧ coaxial cable
90a‧‧‧Wire
91‧‧‧Conductive core wire
92‧‧‧Insulation
93‧‧‧woven layer
94‧‧‧Outer insulation

Fig. 1 is a perspective view showing the first embodiment of the present invention.

Fig. 2 is a perspective view showing the first embodiment of the present invention in which the upper cover and the lower cover are omitted.

Fig. 3 is another perspective view showing the first embodiment of the present invention in which the upper cover and the lower cover are omitted.

Fig. 4 is an exploded perspective view showing the first embodiment of the present invention.

Fig. 5 is another perspective exploded view of the first embodiment of the present invention.

Figure 6 is a front elevational view of the first embodiment of the present invention.

Figure 7 is a cross-sectional view showing the first embodiment of the present invention.

Fig. 8 is a perspective view showing the second embodiment of the present invention.

Fig. 9 is a perspective view showing the appearance of the second embodiment of the present invention in which the upper cover and the lower cover are omitted.

Fig. 10 is another perspective view showing the second embodiment in which the upper cover and the lower cover are omitted.

Figure 11 is an exploded perspective view showing a second embodiment of the present invention.

Fig. 12 is another perspective exploded view of the second embodiment of the present invention.

Figure 13 is a front elevational view of the second embodiment of the present invention.

Figure 14 is a front cross-sectional view showing a second embodiment of the present invention.

30‧‧‧Shielded enclosure

32‧‧‧First housing

320‧‧‧First docking space

34‧‧‧Second housing

340‧‧‧Second docking space

60‧‧‧Upper cover

80‧‧‧ cable

Claims (12)

A miniature high-speed plug electrical connector includes: an insulative housing having a base, a first tab, and a second tab, the first tab and the second tab from the front end of the base And the first terminal is disposed on the base and the first tongue, each of the first terminals has a first fixing segment, a first electrical contact segment and a first a welding segment, the first electrical contact segment extends forwardly from the first fixing segment, the first welding segment extends rearward from the first fixing segment; a plurality of second terminals are disposed on the base and the second tongue Each of the second terminals has a second fixing section, a second electrical contact section and a second welding section. The second electrical contact section extends forward from the second fixing section, and the second welding section is from the second The fixing portion extends rearward; a shielding case covering the insulating body, the first terminals and the second terminals, and having a first housing and a second housing, the first housing is formed through a first plug space for accommodating the first terminals and the first a second housing is connected to the first housing, and a second insertion space is formed in the second housing to receive the second terminal and the second tongue; Provided at a rear end of the insulating body, a first soldering section for each of the first terminals is placed on a top surface or a bottom surface of the fixing base, and a second soldering section of each of the second terminals is placed on a top surface of the fixing base Or a bottom surface, respectively, a grounding piece is disposed on the top surface and the bottom surface of the fixing base, the two grounding pieces are respectively electrically connected to the second welding sections of the second terminals; and a cable is disposed on the fixing base and has a a first wire group, wherein the first wire group is disposed on a top surface and a bottom surface of the fixing base and has a plurality of coaxial lines, each of the coaxial wires respectively having a conductive core wire, an inner insulating layer and a braid layer, wherein the conductive core wire is electrically The second soldering segment of the second terminal is connected to the conductive layer. The inner insulating layer covers the inner insulating layer and electrically connects one of the grounding strips. The micro high-speed plug electrical connector of claim 1, wherein the cable further has a second wire set disposed on a bottom surface of the fixing base and having a plurality of wires, each of the wires The first welding segment of the first terminal is fixed and electrically connected. The micro high-speed plug electrical connector of claim 1, wherein the micro high-speed plug electrical connector further has an upper shielding cover and a lower shielding cover, and the upper shielding cover and the lower shielding cover are covered by the lower cover a base of the insulative housing, a first soldering section of the first terminal, a second soldering section of the second terminal, the mount, the end of the coaxial line, and the end of the lead. The micro high-speed plug electrical connector of claim 3, wherein a buckle hole is formed on each side of the upper shielding cover; and a fastening member is respectively formed on both sides of the lower shielding cover to be combined with the corresponding fastening hole. The micro high-speed plug electrical connector according to any one of claims 1 to 4, wherein the first tongue of the insulative housing is provided with a snap element, and the snap element is formed with two first holes located in the shield case. An elastic buckle arm in the first insertion space of the housing, and each end of the elastic buckle arm is formed with a buckle portion that passes out of the top surface of the first housing. The micro high-speed plug electrical connector of any one of claims 1 to 4, wherein each of the coaxial wires further comprises an outer insulating layer, the outer insulating layer being wrapped outside the woven layer. A miniature high-speed plug electrical connector includes: an insulative housing having a base, a first tab, and a second tab, the first tab and the second tab from the front end of the base And the first terminal is disposed on the base and the first tongue, each of the first terminals has a first fixing segment, a first electrical contact segment and a first a welding section, the first electrical contact section extends forward from the first fixing section, the first welding section extends rearward from the first fixing section; a plurality of second terminals are disposed on the base and the second tongue, each The second terminal has a second fixing section, a second electrical contact section and a second welding section. The second electrical contact section extends forward from the second fixing section, and the second welding section is fixed from the second fixing section. The first outer terminal and the second terminal are covered, and have a first housing and a second housing. The first housing is formed through the first housing. a first plug space to accommodate the first terminal and the first tongue a second housing is connected to the first housing, and a second insertion space is formed in the second housing to receive the second terminal and the second tongue; a circuit board, a plurality of first terminal pads and a plurality of second terminal pads are respectively disposed on the top surface and the bottom surface of the circuit board, wherein each of the second terminal pads is respectively provided by the second terminal Soldering the second soldering section, each of the first terminal pads is respectively soldered to the first soldering section of the first terminal, and a plurality of wire bonding pads are respectively disposed on the top surface and the bottom surface of the circuit board, and the circuit board is separately provided a top surface is provided with a grounding strip; and a cable is disposed on the circuit board and has a first line group disposed on a top surface of the circuit board and having a plurality of coaxial lines, each of the coaxial lines respectively Having a conductive core wire, an inner insulating layer and a woven layer, the conductive core wire is fixedly and electrically connected to a top surface of the circuit board and corresponding to the wire bonding pad, and the inner insulating layer covers the conductive core wire, the weaving Layer coating the inner insulating layer and electrically connecting the circuit On the ground plate. The micro high-speed plug electrical connector of claim 7, wherein the cable further has a second wire set disposed on a bottom surface of the circuit board and having a plurality of wires, the plurality of wires being respectively located The wire pads on the bottom surface of the circuit board are fixed and electrically connected. The micro high-speed plug electrical connector of claim 7, wherein the micro high-speed plug electrical connector further has an upper shielding cover and a lower shielding cover, and the upper shielding cover and the lower shielding cover are covered by the lower cover a base of the insulative housing, a first soldering section of the first terminal, a second soldering section of the second terminal, the circuit board, the end of the coaxial line, and the end of the wire. The micro high-speed plug electrical connector of claim 9, wherein a plurality of fastening holes are formed on two sides of the upper shielding cover; and two fastening members are respectively formed on the two sides of the lower shielding cover to be combined with corresponding fastening holes. The micro high-speed plug electrical connector according to any one of claims 7 to 10, wherein the first tongue of the insulative housing is provided with a snap element, and the snap element is formed with two first holes located in the shield case. An elastic buckle arm in the first insertion space of the housing, and each end of the elastic buckle arm is formed with a buckle portion that passes out of the top surface of the first housing. The micro high-speed plug electrical connector of any one of claims 7 to 10, wherein the coaxial wires further comprise an outer insulating layer overlying the braid.