CN220774899U - High-frequency high-speed high-voltage plug module - Google Patents

Abstract

The utility model discloses a high-frequency high-speed high-voltage plug module, which comprises an outer box, two lock hooks, two keys, an inner box and a plug connector, wherein the outer box is provided with a plurality of lock hooks; the outer box is internally provided with a first accommodating cavity, and mounting holes are formed in the left side and the right side of the outer box; the two lock hooks are symmetrical to each other and can swing left and right and are arranged in the two sides of the outer box, the front ends of the two lock hooks are respectively provided with a hook part, the hook parts extend out of the outer box forwards and are respectively positioned at two sides of the opening of the first accommodating cavity, and the rear ends of the two lock hooks are respectively provided with a pressing part; through being provided with interior box in outer box to cooperate interior box to in the box adoption shielding box in the cooperation, the PCB board is built-in order to play the effect of shielding to the PCB board, avoid the transmission of signal to receive outside interference easily, promote signal transmission's stability and reliability, simultaneously in the integrative elastic component that extends of both sides of box, two elastic components support respectively in pressing part's inboard and promote pressing part outward movement, be favorable to simplifying the structure of lock hook mechanism, make the assembly simpler and more convenient.

Description

High-frequency high-speed high-voltage plug module

Technical Field

The utility model relates to the technical field of electric connectors, in particular to a high-frequency high-speed high-voltage plug module.

Background

The LED display screen is divided into an image-text display screen and a video display screen, and both the image-text display screen and the video display screen are composed of LED modules. The image-text display screen can synchronously display Chinese characters, english texts and graphics with a computer; the video display screen is controlled by microcomputer, and has pictures, texts and images, which can play various information in real time, synchronously and clearly, and can also display two-dimensional, three-dimensional animation, video, television, VCD programs and site live. The LED display screen has bright color, strong stereoscopic impression, is static like oil painting and dynamic like film, and is widely applied to stations, wharfs, airports, markets, hospitals, hotels, banks, securities markets, building markets, auction houses, industrial enterprise management and other public places.

Currently, the main HDMI connector used for high-definition video transmission is a fully digital video and audio transmission interface, which can transmit uncompressed audio and video signals. HDMI can be used for set top boxes, DVD players, personal computers, televisions, game consoles, combination expansion machines, digital audio and television sets, and other devices. However, the HDMI connector cannot transmit high voltage current, and thus cannot be applied to the ultra-high definition LED large screen.

Therefore, high-frequency high-speed high-voltage plug connectors are currently available, the use process of the plug connectors needs to be connected with a PCB, the PCB is connected with wires, the PCB is built in a box body, locking hook mechanisms are arranged on two sides of the box body, and the plug connectors are prevented from being easily separated from socket connectors by locking the locking hook mechanisms with an external chassis. However, in the prior art, the box body has no shielding effect on the PCB, so that signal transmission is easy to be interfered by the outside, stability and reliability are low, and a locking hook mechanism on the box body is complex at present, and assembly is troublesome. Therefore, it is necessary to study a scheme to solve the above-mentioned problems.

Disclosure of Invention

In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its main objective is to provide a high-frequency high-speed high-voltage plug module, which can effectively solve the problem that the existing box body does not have shielding effect on the PCB board, so that signal transmission is easy to be interfered by the outside.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a high-frequency high-speed high-voltage plug module comprises an outer box, two lock hooks, two keys, an inner box and a plug connector; the outer box is internally provided with a first accommodating cavity with a forward opening, and the left side and the right side of the outer box are both provided with mounting holes; the two lock hooks are symmetrical to each other and can swing left and right and are arranged in the two sides of the outer box, the front ends of the two lock hooks are respectively provided with a hook part, the hook parts extend out of the outer box forwards and are respectively positioned at two sides of the opening of the first accommodating cavity, and the rear ends of the two lock hooks are respectively provided with a pressing part; the two keys are respectively arranged in the mounting holes in a pressing way, and respectively abut against the outer sides of the corresponding pressing parts and promote the corresponding hook parts to swing outwards; the inner box is a shielding box, the inner box is arranged in the first accommodating cavity, a second accommodating cavity with a forward opening is arranged in the inner box, elastic pieces integrally extend out of two sides of the inner box, and the two elastic pieces respectively prop against the inner side of the pressing part and promote the pressing part to move outwards; the rear end of the plug connector is fixed in the opening of the second accommodating cavity, the rear end of the plug connector is connected with a PCB board, the PCB board is positioned in the second accommodating cavity, and the front end of the plug connector passes through the opening of the first accommodating cavity and extends out of the front side of the outer box forwards.

As a preferable scheme, the outer box comprises a lower outer box body and an upper outer box body, and the upper outer box body and the lower outer box body are spliced and fastened up and down to form the first accommodating cavity in a surrounding manner.

As a preferable scheme, the outer box comprises a lower outer box body and an upper outer box body, wherein the upper outer box body and the lower outer box body are spliced up and down and are fixed by screws to form the first accommodating cavity in a surrounding mode.

As a preferred scheme, the inner box comprises a lower inner box body and an upper inner box body, the upper inner box body and the lower inner box body are spliced and fastened up and down to form the second accommodating cavity in a surrounding manner, and the rear ends of the lower inner box body and the upper inner box body are respectively extended with a riveting part for riveting and fixing wires.

As a preferable scheme, the wire clamp is fixed on the rear side of the PCB.

As a preferred solution, the plug connector includes an insulating body, a shielding shell, a plurality of lower conductive terminals, a plurality of upper conductive terminals, a plurality of lower high voltage terminals and a plurality of upper high voltage terminals; the insulation body is internally provided with an inserting cavity with a forward opening; the shielding shell is coated outside the insulating body; the plurality of lower conductive terminals are arranged in the insulating body and are provided with first contact parts and first welding parts, the plurality of first contact parts are suspended at the lower side of the insertion cavity at intervals side by side, and the plurality of first welding parts extend out of the insulating body backwards; the plurality of upper conductive terminals are arranged in the insulating body and are provided with second contact parts and second welding parts, the plurality of second contact parts are suspended at the upper side of the insertion cavity at intervals side by side, and the plurality of second welding parts extend out of the insulating body backwards; the plurality of lower high-voltage terminals are arranged in the insulating body and are provided with a third contact part and a third welding part, the plurality of third contact parts and the plurality of first contact parts are suspended at the lower side of the insertion cavity side by side, and the plurality of third welding parts extend out of the insulating body backwards; the plurality of upper high-voltage terminals are arranged in the insulating body and are provided with a fourth contact part and a fourth welding part, the plurality of fourth contact parts and the plurality of second contact parts are suspended on the upper side of the insertion cavity side by side, the plurality of fourth contact parts are positioned above the plurality of third contact parts, and the plurality of fourth welding parts extend out of the insulating body backwards; the method is characterized in that: the inner wall of the insulating body is concavely provided with a plurality of lower isolation grooves and upper isolation grooves for increasing the creepage distance, each third contact part is respectively positioned between two adjacent lower isolation grooves, and each fourth contact part is respectively positioned between two adjacent upper isolation grooves; the shielding shell is of a fool-proof structure.

As a preferable scheme, the rear end face of the insulating body is convexly provided with a plurality of isolation convex ribs for increasing the creepage distance, each isolation convex rib extends up and down, and each third welding part and each fourth welding part are positioned between two adjacent isolation convex ribs so as to avoid mutual interference between two adjacent high-voltage terminals.

As a preferable scheme, the chamfer angles of the left and right upper corners of the shielding shell are different from the chamfer angles of the left and right lower corners of the shielding shell, so that the fool-proof function is realized, and convenience is brought to plugging and use.

As a preferable scheme, the two sides of the rear end of the shielding shell are extended backwards to form clamping feet for clamping the PCB, and clamping grooves for inserting the PCB are formed between the first welding part and the second welding part and between the third welding part and the fourth welding part, so that the clamping plate type installation is realized.

As a preferred solution, each lower high voltage terminal has two third contact portions arranged side by side and two third welding portions arranged side by side, and each upper high voltage terminal has two fourth contact portions arranged side by side and two fourth welding portions arranged side by side, so as to improve the stability and reliability of contact and welding.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:

through being provided with interior box in outer box to cooperate interior box to in the box adoption shielding box in the cooperation, the PCB board is built-in order to play the effect of shielding to the PCB board, avoid the transmission of signal to receive outside interference easily, promote signal transmission's stability and reliability, simultaneously in the integrative elastic component that extends of both sides of box, two elastic components support respectively in pressing part's inboard and promote pressing part outward movement, be favorable to simplifying the structure of lock hook mechanism, make the assembly simpler and more convenient.

In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is an assembled perspective view of a first preferred embodiment of the present utility model;

FIG. 2 is an assembled perspective view of another angle of the first preferred embodiment of the present utility model;

FIG. 3 is an exploded view of a first preferred embodiment of the present utility model;

FIG. 4 is an exploded view of the first preferred embodiment of the present utility model at another angle;

FIG. 5 is a cross-sectional view of a first preferred embodiment of the present utility model;

FIG. 6 is an enlarged schematic view of a plug connector according to a first preferred embodiment of the present utility model;

FIG. 7 is another angular schematic view of FIG. 6;

FIG. 8 is an exploded view of the plug connector according to the first preferred embodiment of the present utility model;

FIG. 9 is another angular schematic view of FIG. 8;

FIG. 10 is a schematic cross-sectional view of a plug connector according to a first preferred embodiment of the present utility model;

FIG. 11 is an assembled perspective view of a second preferred embodiment of the present utility model;

FIG. 12 is a schematic cross-sectional view of a second preferred embodiment of the present utility model.

The attached drawings are used for identifying and describing:

10. outer box 11, lower outer box body

12. Upper outer box 13, screw

101. First accommodation chamber 102, mounting hole

103. Arc-shaped convex part 20 and lock hook

21. Hook 22 and pressing part

30. Button 31, concave-convex anti-slip structure

40. Inner case 41, lower inner case

42. Upper inner box 401, second accommodation chamber

402. Spring piece 403, rivet joint

50. Plug connector 51 and insulating body

511. Insert cavity 512, lower isolation groove

513. Upper isolation groove 514, isolation rib

515. Terminal slot 516, relief slot

501. Clip groove 52, shielding case

521. Notch 522, clip foot

523. Spring piece 53, lower conductive terminal

531. First contact portion 532, first welded portion

54. Upper conductive terminal 541, second contact portion

542. Second welded portion 55, lower high-voltage terminal

551. Third contact 552, third weld

56. Upper high voltage terminal 561, fourth contact

562. Fourth weld 60, wire

71. PCB board 72, wire clip.

Detailed Description

Referring to fig. 1 to 10, a first preferred embodiment of the present utility model is shown, which comprises an outer case 10, two latches 20, two keys 30, an inner case 40 and a plug connector 50.

The outer box 10 is provided with a first accommodating cavity 101 with a forward opening, and mounting holes 102 are formed on the left side and the right side of the outer box 10; specifically, the outer box 10 is made of plastic, the outer box 10 includes a lower outer box 11 and an upper outer box 12, the upper outer box 12 and the lower outer box 11 are spliced and fastened up and down to form the first accommodating cavity 101, and the structure is simple and the assembly is convenient; in addition, a plurality of arc-shaped protruding parts 103 are protruding from two sides of the rear end of the outer box 10, so that slipping prevention is realized, and the outer box is more convenient to hold.

The two locking hooks 20 are symmetrically arranged inside two sides of the outer box 10 in a left-right swinging manner, the front ends of the two locking hooks 20 are respectively provided with a hook part 21, the hook parts 21 extend out of the outer box 10 forwards and are respectively positioned at two sides of the opening of the first accommodating cavity 101, and the rear ends of the two locking hooks 20 are respectively provided with a pressing part 22.

The two keys 30 are respectively and compressibly disposed in the mounting hole 102, the two keys 30 respectively abut against the outer sides of the corresponding pressing portions 22 and urge the corresponding hook portions 21 to swing outwards, and the outer sides of the keys 30 are provided with concave-convex anti-skid structures 31 for convenient operation.

The inner case 40 is a shielding case, the inner case 40 is disposed in the first accommodating cavity 101, the inner case 40 has a second accommodating cavity 401 with a forward opening, two sides of the inner case 40 integrally extend with elastic members 402, and the two elastic members 402 respectively support against the inner side of the pressing portion 22 and urge the pressing portion 22 to move outwards. Specifically, the inner case 40 includes a lower inner case 41 and an upper inner case 42, the upper inner case 42 and the lower inner case 41 are spliced and fastened up and down to form the second accommodating cavity 401, and the rear ends of the lower inner case 41 and the upper inner case 42 are extended with a riveting portion 403 for riveting and fixing the wire 60, so that the wire 60 is connected firmly. The upper inner case 42 and the lower inner case 41 are formed by punching and forming hardware sheets.

The rear end of the plug connector 50 is fixed in the opening of the second accommodating cavity 401, the rear end of the plug connector 50 is connected with the PCB 71, the PCB 71 is located in the second accommodating cavity 401, the front end of the plug connector 50 extends forward out of the front side of the outer box 10 through the opening of the first accommodating cavity 101, and the wire clip 72 is fixed on the rear side of the PCB 71 to fix and weld the wire 60.

Specifically, the plug connector 50 includes an insulative housing 51, a shield shell 52, a plurality of lower conductive terminals 53, a plurality of upper conductive terminals 54, a plurality of lower high voltage terminals 55, and a plurality of upper high voltage terminals 56.

The insulating body 51 has an insertion cavity 511 opened forward therein; the inner wall of the insulating body 51 is concavely provided with a plurality of lower and upper isolation grooves 512 and 513 for increasing the creepage distance. In this embodiment, the lower isolation groove 512 and the upper isolation groove 513 are three, and the lower isolation groove 512 and the upper isolation groove 513 are opposite to each other vertically; the rear end surface of the insulating body 51 is convexly provided with a plurality of isolation convex ribs 514 for increasing the creepage distance, each isolation convex rib 514 extends up and down, and the number of the isolation convex ribs 514 is three; and, a plurality of terminal slots 515 are concavely formed on the upper and lower inner walls of the insertion cavity 511, the inner walls of the openings of the insertion cavity 511 corresponding to the conductive terminals are closed planes, and the terminal slots 515 penetrate through the inner and outer walls of the insulating body 10.

The shielding shell 52 is covered outside the insulating body 51, the shielding shell 52 is of a foolproof structure, and a notch 521 for increasing the creepage distance is formed at the lower side of the front end of the shielding shell 52 near the lower high voltage terminal 55. In this embodiment, the chamfer angles of the upper left and right corners of the shielding shell 52 are different from the chamfer angles of the lower left and right corners of the shielding shell 52, so as to realize a foolproof function and bring convenience to plugging use. The rear end of the shield case 52 has legs 522 extending rearward at both sides thereof for clamping the PCB 71 so as to be mounted and fixed with the PCB 71. And, the upper side surface and the lower side surface of the shielding shell 52 are both closed surfaces, and the left side and the right side of the shielding shell 52 are punched and formed with elastic sheets 523 so as to increase the inserting and extracting force when being connected with the socket connector in a plugging manner. Correspondingly, the outer walls of the two sides of the insulating body 51 are concavely provided with a yielding groove 516 corresponding to the spring plate 523, so as to provide a deformation space for the spring plate 523.

The plurality of lower conductive terminals 53 are disposed in the insulating body 51 and each have a first contact portion 531 and a first soldering portion 532, the plurality of first contact portions 531 are suspended at a side-by-side interval below the insertion cavity 511, and the plurality of first soldering portions 532 extend backward out of the insulating body 51. In the present embodiment, the plurality of lower conductive terminals 53 are assembled in the insulating body 51 from the rear to the front and are located in the corresponding terminal grooves 515.

The plurality of upper conductive terminals 54 are disposed in the insulating body 51 and each have a second contact portion 541 and a second soldering portion 542, the plurality of second contact portions 541 are suspended above the insertion cavity 511 in parallel at intervals, and the plurality of second soldering portions 542 extend back out of the insulating body 51. In the present embodiment, the plurality of upper conductive terminals 54 are assembled in the insulating body 51 from back to front and located in the corresponding terminal grooves 515, and the plurality of upper conductive terminals 54 and the plurality of lower conductive terminals 53 are disposed in a left-right offset manner.

The plurality of lower high voltage terminals 55 are disposed in the insulating body 51 and each have a third contact portion 551 and a third soldering portion 552, the plurality of third contact portions 551 and the plurality of first contact portions 531 are suspended side by side under the insertion cavity 511, each third contact portion 551 is located between two adjacent lower isolation grooves 512, and the plurality of third soldering portions 552 extend backward out of the insulating body 51. In this embodiment, the number of the lower high voltage terminals 55 is two, and the lower high voltage terminals 55 are assembled in the insulating body 51 right-back and forward; and, each of the lower high voltage terminals 55 has two third contact portions 551 arranged side by side and two third soldering portions 552 arranged side by side to improve the stability and reliability of contact and soldering; and, each third welding portion 552 is located between two adjacent isolation ribs 514 to avoid mutual interference between two adjacent lower high voltage terminals 55.

The plurality of upper high voltage terminals 56 are disposed in the insulating body 51 and each have a fourth contact portion 561 and a fourth soldering portion 562, the plurality of fourth contact portions 561 and the plurality of second contact portions 541 are suspended above the insertion cavity 511 side by side, the plurality of fourth contact portions 561 are located above the plurality of third contact portions 551, each fourth contact portion 561 is located between two adjacent upper isolation grooves 513, and the plurality of fourth soldering portions 562 extend out of the insulating body 51. In the present embodiment, the number of the upper high voltage terminals 56 is two, and the upper high voltage terminals 56 are assembled in the insulating body 51 right-back and forward; and, each upper high voltage terminal 56 has two fourth contact portions 561 arranged side by side and two fourth soldering portions 562 arranged side by side to improve stability and reliability of contact and soldering. And, each fourth welding portion 562 is located between two adjacent isolation ribs 514 to avoid mutual interference between two adjacent upper high voltage terminals 56.

In addition, clip grooves 501 into which the PCB 71 is inserted are formed between the first and second welding parts 532 and 542 and between the third and fourth welding parts 552 and 562, so that the present product realizes a clip type mounting.

The assembly process of this embodiment is described in detail as follows:

in the assembly, first, the plurality of lower conductive terminals 53, the plurality of upper conductive terminals 54, the plurality of lower high voltage terminals 55, and the plurality of upper high voltage terminals 56 are all assembled back-to-front in the insulating body 51, and then, the shield shell 52 is assembled back-to-front and is covered outside the insulating body 51. At the time of assembly, the PCB is inserted into the clip groove 501 and the clip leg 522 is made to clip the PCB 71, then the clip leg 522, the first welding portion 532, the second welding portion 542, the third welding portion 552 and the fourth welding portion 562 are all welded to the PCB 71, then the wire clamps 72 are fixed on the rear side of the PCB 71, then the respective core wires of the wires 60 are fixed on the wire clamps 72 and welded to the PCB 71 respectively, then the rear end of the plug connector 50, the PCB 71 and the wire clamps 72 and the front end of the wires 60 are fixed in the inner case 40, and then the inner case 40 is fixed in the outer case 10.

When the plug connector 50 is used, the front end of the plug connector 50 of the product is symmetrically connected with an external socket connector, after the plug connector is inserted into place, the hook parts 21 of the two lock hooks 20 hook the chassis of the equipment so as to prevent the plug connector 50 from being separated from the socket connector, and when the plug connector 50 is required to be pulled out, the two keys 30 are pressed inwards so that the hook parts 21 are separated from the chassis to pull out the plug connector 50 from the socket connector.

Referring to fig. 11 to 12, a specific structure of a second preferred embodiment of the present utility model is shown, which is substantially the same as that of the first preferred embodiment, except that:

in this embodiment, the outer case 10 includes a lower outer case 11 and an upper outer case 12, and the upper outer case 12 and the lower outer case 11 are spliced up and down and fixed by screws 13 to form the first accommodating cavity 101, which has a simple structure and convenient assembly.

The assembly process of this embodiment is substantially the same as that of the first preferred embodiment described above, and the assembly process of this embodiment will not be described in detail here.

The design focus of the utility model is that: through being provided with interior box in outer box to cooperate interior box to in the box adoption shielding box in the cooperation, the PCB board is built-in order to play the effect of shielding to the PCB board, avoid the transmission of signal to receive outside interference easily, promote signal transmission's stability and reliability, simultaneously in the integrative elastic component that extends of both sides of box, two elastic components support respectively in pressing part's inboard and promote pressing part outward movement, be favorable to simplifying the structure of lock hook mechanism, make the assembly simpler and more convenient.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.

Claims (10)

1. The utility model provides a high frequency high-speed high-voltage plug module which characterized in that: comprises an outer box, two lock hooks, two keys, an inner box and a plug connector; the outer box is internally provided with a first accommodating cavity with a forward opening, and the left side and the right side of the outer box are both provided with mounting holes; the two lock hooks are symmetrical to each other and can swing left and right and are arranged in the two sides of the outer box, the front ends of the two lock hooks are respectively provided with a hook part, the hook parts extend out of the outer box forwards and are respectively positioned at two sides of the opening of the first accommodating cavity, and the rear ends of the two lock hooks are respectively provided with a pressing part; the two keys are respectively arranged in the mounting holes in a pressing way, and respectively abut against the outer sides of the corresponding pressing parts and promote the corresponding hook parts to swing outwards; the inner box is a shielding box, the inner box is arranged in the first accommodating cavity, a second accommodating cavity with a forward opening is arranged in the inner box, elastic pieces integrally extend out of two sides of the inner box, and the two elastic pieces respectively prop against the inner side of the pressing part and promote the pressing part to move outwards; the rear end of the plug connector is fixed in the opening of the second accommodating cavity, the rear end of the plug connector is connected with a PCB board, the PCB board is positioned in the second accommodating cavity, and the front end of the plug connector passes through the opening of the first accommodating cavity and extends out of the front side of the outer box forwards.

2. The high frequency, high speed, high voltage plug module of claim 1, wherein: the outer box comprises a lower outer box body and an upper outer box body, wherein the upper outer box body is fixedly spliced up and down with the lower outer box body to form the first accommodating cavity in a surrounding manner.

3. The high frequency, high speed, high voltage plug module of claim 1, wherein: the outer box comprises a lower outer box body and an upper outer box body, wherein the upper outer box body and the lower outer box body are spliced up and down and are fixed by screws to form the first accommodating cavity in a surrounding mode.

4. The high frequency, high speed, high voltage plug module of claim 1, wherein: the inner box comprises a lower inner box body and an upper inner box body, the upper inner box body and the lower inner box body are spliced, buckled and fixed up and down to form the second accommodating cavity, and the rear ends of the lower inner box body and the upper inner box body are respectively extended to form a riveting part for riveting and fixing wires.

5. The high frequency, high speed, high voltage plug module of claim 1, wherein: and a wire clamp is fixed at the rear side of the PCB.

6. The high frequency, high speed, high voltage plug module of claim 1, wherein: the plug connector comprises an insulating body, a shielding shell, a plurality of lower conductive terminals, a plurality of upper conductive terminals, a plurality of lower high-voltage terminals and a plurality of upper high-voltage terminals; the insulation body is internally provided with an inserting cavity with a forward opening; the shielding shell is coated outside the insulating body; the plurality of lower conductive terminals are arranged in the insulating body and are provided with first contact parts and first welding parts, the plurality of first contact parts are suspended at the lower side of the insertion cavity at intervals side by side, and the plurality of first welding parts extend out of the insulating body backwards; the plurality of upper conductive terminals are arranged in the insulating body and are provided with second contact parts and second welding parts, the plurality of second contact parts are suspended at the upper side of the insertion cavity at intervals side by side, and the plurality of second welding parts extend out of the insulating body backwards; the plurality of lower high-voltage terminals are arranged in the insulating body and are provided with a third contact part and a third welding part, the plurality of third contact parts and the plurality of first contact parts are suspended at the lower side of the insertion cavity side by side, and the plurality of third welding parts extend out of the insulating body backwards; the plurality of upper high-voltage terminals are arranged in the insulating body and are provided with a fourth contact part and a fourth welding part, the plurality of fourth contact parts and the plurality of second contact parts are suspended on the upper side of the insertion cavity side by side, the plurality of fourth contact parts are positioned above the plurality of third contact parts, and the plurality of fourth welding parts extend out of the insulating body backwards; the method is characterized in that: the inner wall of the insulating body is concavely provided with a plurality of lower isolation grooves and upper isolation grooves for increasing the creepage distance, each third contact part is respectively positioned between two adjacent lower isolation grooves, and each fourth contact part is respectively positioned between two adjacent upper isolation grooves; the shielding shell is of a fool-proof structure.

7. The high frequency, high speed, high voltage plug module of claim 6, wherein: the rear end face of the insulating body is convexly provided with a plurality of isolation convex ribs for increasing the creepage distance, each isolation convex rib extends up and down, and each third welding part and each fourth welding part are located between two adjacent isolation convex ribs.

8. The high frequency, high speed, high voltage plug module of claim 6, wherein: the chamfer angles of the left and right upper corners of the shielding shell are different from the chamfer angles of the left and right lower corners of the shielding shell.

9. The high frequency, high speed, high voltage plug module of claim 6, wherein: clamping feet for clamping the PCB are extended backwards from two sides of the rear end of the shielding shell, and clamping grooves for inserting the PCB are formed between the first welding part and the second welding part and between the third welding part and the fourth welding part.

10. The high frequency, high speed, high voltage plug module of claim 6, wherein: each lower high-voltage terminal is provided with two third contact parts which are arranged side by side and two third welding parts which are arranged side by side, and each upper high-voltage terminal is provided with two fourth contact parts which are arranged side by side and two fourth welding parts which are arranged side by side.