CN220984915U

CN220984915U - High-frequency high-speed high-voltage plug connector

Info

Publication number: CN220984915U
Application number: CN202322127669.4U
Authority: CN
Inventors: 蒋江林; 郄建华
Original assignee: Guangdong Huazhan Electronic Co ltd
Current assignee: Guangdong Huazhan Electronic Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-05-17
Anticipated expiration: 2033-08-08

Abstract

The utility model discloses a high-frequency high-speed high-voltage plug connector, which 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, wherein the insulating body is provided with a plurality of first conductive 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 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. Through setting up isolation groove and last isolation groove down, utilize the creepage distance between each isolation groove multiplicable two adjacent high voltage terminal, avoid the appearance of creepage phenomenon, effectively promote the stability and the reliability of transmission, simultaneously, through with shielding shell design for preventing slow-witted structure, can realize preventing slow-witted function, use the facility for pegging graft.

Description

High-frequency high-speed high-voltage plug connector

Technical Field

The utility model relates to the connector field technology, in particular to a high-frequency high-speed high-voltage plug connector.

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.

For this purpose, there are high-frequency high-speed high-voltage plug connectors currently available, which comprise 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, the plurality of upper conductive terminals, the plurality of lower high voltage terminals and the plurality of upper high voltage terminals are all arranged in the insulating body. The high-frequency high-speed high-voltage plug connector has high-voltage terminals and can transmit high-voltage current at the same time, however, the current high-frequency high-speed high-voltage plug connector has short creepage distance between two adjacent high-voltage terminals, is easy to cause creepage phenomenon, brings adverse effects on the stability and reliability of transmission, and has no foolproof structure, thereby bringing inconvenience to plugging and using. Accordingly, there is a need for improvements in current high frequency, high speed, high voltage plug connectors.

Disclosure of utility model

In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its primary object is to provide a high-frequency high-speed high-voltage plug connector, which can effectively solve the problems of easy creepage phenomenon and inconvenient plugging and use of the existing high-frequency high-speed high-voltage plug connector.

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

A high-frequency high-speed high-voltage 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.

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 cross section of the shielding shell is of a U-shaped structure so as to realize a foolproof function, bring convenience to plug-in use, and a notch for increasing the creepage distance is formed at the lower side of the front end of the shielding shell, which is close to the lower high-voltage terminal.

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.

As a preferable scheme, a plurality of convex ribs are punched and formed on the lower side surface of the shielding shell, and the convex ribs are arranged at left and right intervals and extend back and forth so as to increase the plugging force when being plugged with the socket connector.

As a preferable scheme, the lower surface of the insulating body is concavely provided with an avoidance groove corresponding to each convex rib so as to provide an elastic deformation space for the convex ribs.

As a preferable scheme, the upper side surface of the shielding shell is provided with a plurality of slotted holes which are arranged at left and right intervals so as to be clamped with the spring pieces on the socket connector, and the stability and the reliability of connection are improved.

As a preferable scheme, the upper side surface and the lower side surface of the shielding shell are both sealing surfaces, and the left side and the right side of the shielding shell are punched and formed with elastic sheets so as to increase the inserting and pulling force when being connected with the socket connector in a butt-inserting way.

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 setting up isolation groove and last isolation groove down, utilize the creepage distance between each isolation groove multiplicable two adjacent high voltage terminal, avoid the appearance of creepage phenomenon, effectively promote the stability and the reliability of transmission, simultaneously, through with shielding shell design for preventing slow-witted structure, can realize preventing slow-witted function, use the facility for pegging graft.

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 another cross-sectional view of the first preferred embodiment of the present utility model;

FIG. 7 is an assembled perspective view of a second preferred embodiment of the present utility model;

FIG. 8 is an assembled perspective view of a second preferred embodiment of the present utility model at another angle;

FIG. 9 is an exploded view of a second preferred embodiment of the present utility model;

FIG. 10 is an exploded view of a second preferred embodiment of the present utility model at another angle;

FIG. 11 is a cross-sectional view of a second preferred embodiment of the present utility model.

The attached drawings are used for identifying and describing:

10. insulation body 11, insertion cavity

12. Lower isolation groove 13, upper isolation groove

14. Isolation convex rib 15 and terminal groove

16. Avoidance groove 17 and relief groove

101. Clip groove 20, shielding case

21. Notch 22, clip foot

23. Ribs 24, slotted holes

25. Spring 30, lower conductive terminal

31. First contact portion 32, first welded portion

40. Upper conductive terminal 41, second contact part

42. Second welded portion 50, lower high voltage terminal

51. Third contact portion 52, third welded portion

60. Upper high voltage terminal 61, fourth contact part

62. And a fourth welded part.

Detailed Description

Referring to fig. 1 to 6, a specific structure of a first preferred embodiment of the present utility model is shown, which includes an insulation body 10, a shielding shell 20, a plurality of lower conductive terminals 30, a plurality of upper conductive terminals 40, a plurality of lower high voltage terminals 50 and a plurality of upper high voltage terminals 60.

The insulation body 10 is internally provided with an inserting cavity 11 with a frontward opening; the inner wall of the insulating body 10 is concavely provided with a plurality of lower isolation grooves 12 and upper isolation grooves 13 for increasing the creepage distance. In this embodiment, the lower isolation groove 12 and the upper isolation groove 13 are three, and the lower isolation groove 12 and the upper isolation groove 13 are opposite to each other vertically; the rear end face of the insulation body 10 is convexly provided with a plurality of isolation convex ribs 14 for increasing the creepage distance, each isolation convex rib 14 extends up and down, and the number of the isolation convex ribs 14 is three; and, the outer surface of the insulating body 10 is a closed surface, the upper side inner wall and the lower side inner wall of the insertion cavity 11 are concavely provided with a plurality of terminal slots 15, and each terminal slot 15 extends to the front end surface of the insulating body 10.

The shielding shell 20 is coated outside the insulating body 10, the shielding shell 20 is of a foolproof structure, and a notch 21 for increasing the creepage distance is formed at the lower side of the front end of the shielding shell 20 near the lower high-voltage terminal 50. In this embodiment, the cross section of the shielding shell 20 is in a U-shaped structure, so as to realize a fool-proof function, thereby bringing convenience to plugging use. The rear end of the shielding case 20 is extended rearward at both sides thereof with clamping legs 22 for clamping the PCB to be mounted and fixed with the PCB. The lower surface of the shield shell 20 is die-cut to form a plurality of ribs 23, and the plurality of ribs 23 are arranged at left and right intervals and extend back and forth so as to increase the insertion and extraction force when being connected with the socket connector in a counter-insertion manner. And the lower surface of the insulating body 10 is concavely provided with a avoiding groove 16 corresponding to each rib 23 to provide an elastic deformation space for the ribs 23. Further, a plurality of slots 24 are formed in the upper surface of the shield case 20, and the slots 24 are disposed at right and left intervals.

The plurality of lower conductive terminals 30 are disposed in the insulating body 10 and each have a first contact portion 31 and a first soldering portion 32, the plurality of first contact portions 31 are suspended at a lower side of the insertion cavity 11 in parallel at intervals, and the plurality of first soldering portions 32 extend backward out of the insulating body 10. In the present embodiment, the plurality of lower conductive terminals 30 are assembled in the insulating body 10 from back to front and located in the corresponding terminal grooves 15.

The plurality of upper conductive terminals 40 are disposed in the insulating body 10 and each have a second contact portion 41 and a second soldering portion 42, the plurality of second contact portions 41 are suspended above the insertion cavity 11 at intervals side by side, and the plurality of second soldering portions 42 extend back out of the insulating body 10. In the present embodiment, the plurality of upper conductive terminals 40 are assembled in the insulating body 10 from back to front and located in the corresponding terminal slots 15, and the plurality of upper conductive terminals 40 and the plurality of lower conductive terminals 30 are disposed in a left-right offset manner.

The plurality of lower high voltage terminals 50 are disposed in the insulating body 10 and each have a third contact portion 51 and a third soldering portion 52, the plurality of third contact portions 51 and the plurality of first contact portions 31 are suspended side by side under the insertion cavity 11, each third contact portion 51 is located between two adjacent lower isolation grooves 12, and the plurality of third soldering portions 52 extend back out of the insulating body 10. In the present embodiment, there are two lower high voltage terminals 50, and the lower high voltage terminals 50 are assembled in the insulating body 10 right back to front; and, each lower high voltage terminal 50 has two third contact portions 51 arranged side by side and two third soldering portions 52 arranged side by side to improve the stability and reliability of contact and soldering; and, each third welding portion 52 is located between two adjacent isolation ribs 14 to avoid interference between two adjacent lower high voltage terminals 50.

The plurality of upper high voltage terminals 60 are disposed in the insulating body 10 and each have a fourth contact portion 61 and a fourth soldering portion 62, the plurality of fourth contact portions 61 and the plurality of second contact portions 41 are suspended above the insertion cavity 11 side by side, the plurality of fourth contact portions 61 are located above the plurality of third contact portions 51, each fourth contact portion 61 is located between two adjacent upper isolation grooves 13, and the plurality of fourth soldering portions 62 extend backward out of the insulating body 10. In the present embodiment, the number of the upper high voltage terminals 60 is two, and the upper high voltage terminals 60 are assembled in the insulating body 10 from right back to front; and, each upper high voltage terminal 60 has two fourth contact portions 61 arranged side by side and two fourth soldering portions 62 arranged side by side to improve the stability and reliability of contact and soldering. And, each fourth welding portion 62 is located between two adjacent isolation ribs 14 to avoid interference between two adjacent upper high voltage terminals 60.

In addition, a clip groove 101 into which the PCB is inserted is formed between the first and second soldering parts 32 and 42 and between the third and fourth soldering parts 52 and 62, so that the present product realizes a clip type mounting.

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

In assembly, first, the plurality of lower conductive terminals 30, the plurality of upper conductive terminals 40, the plurality of lower high voltage terminals 50, and the plurality of upper high voltage terminals 60 are all assembled inside the insulating body 10 from the front to the front, and then, the shield shell 20 is assembled and covered outside the insulating body 10 from the front to the rear. During assembly, the PCB is inserted into the clamping groove 101, the clamping legs 22 clamp the PCB, the clamping legs 22, the first welding part 32, the second welding part 42, the third welding part 52 and the fourth welding part 62 are welded and fixed with the PCB, and then the wires are welded with the PCB. When the socket connector is used, the socket connector is connected with the socket connector in an opposite-plug manner, and after the opposite-plug connection is performed, the gap 21 is formed, so that the distance between the shielding shell 20 and the high-voltage terminal on the socket connector is increased, the safety distance is increased, and the creepage phenomenon is avoided.

Referring to fig. 7 to 11, 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 inner wall of the opening of the insertion cavity 11 corresponding to each conductive terminal is a closed plane, and the terminal groove 15 penetrates through the inner and outer walls of the insulating body 10. And, the chamfer angles of the left and right upper corners of the shielding shell 20 are different from the chamfer angles of the left and right lower corners of the shielding shell 20, so as to realize fool-proof function and bring convenience for plugging and using; in addition, the upper side surface and the lower side surface of the shielding shell 20 are both sealing surfaces, and the left side and the right side of the shielding shell 20 are both punched and formed with elastic pieces 25 so as to increase the plugging force when being plugged and connected with the socket connector, and correspondingly, the outer walls of the two sides of the insulating body 10 are both concavely provided with yielding grooves 17 corresponding to the elastic pieces 25 so as to provide deformation space for the elastic pieces 25.

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 setting up isolation groove and last isolation groove down, utilize the creepage distance between each isolation groove multiplicable two adjacent high voltage terminal, avoid the appearance of creepage phenomenon, effectively promote the stability and the reliability of transmission, simultaneously, through with shielding shell design for preventing slow-witted structure, can realize preventing slow-witted function, use the facility for pegging graft.

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

1. A high-frequency high-speed high-voltage 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.

2. The high frequency high speed high voltage plug connector according to claim 1, 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.

3. The high frequency high speed high voltage plug connector according to claim 1, wherein: the cross section of the shielding shell is of a U-shaped structure, and a notch for increasing the creepage distance is formed in the position, close to the lower high-voltage terminal, of the lower side of the front end of the shielding shell.

4. The high frequency high speed high voltage plug connector according to claim 1, 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.

5. The high frequency high speed high voltage plug connector according to claim 1, 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.

6. The high frequency high speed high voltage plug connector according to claim 1, 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.

7. The high frequency high speed high voltage plug connector according to claim 1, wherein: the shielding shell is characterized in that a plurality of convex ribs are formed on the lower side surface of the shielding shell in a punching mode, are arranged at left and right intervals and extend front and back.

8. The high frequency high speed high voltage plug connector according to claim 7, wherein: the lower surface of the insulating body is concavely provided with an avoidance groove corresponding to each convex rib.

9. The high frequency high speed high voltage plug connector according to claim 1, wherein: the upper side surface of the shielding shell is provided with a plurality of slotted holes which are arranged at left and right intervals.

10. The high frequency high speed high voltage plug connector according to claim 1, wherein: the upper side surface and the lower side surface of the shielding shell are both sealing surfaces, and the left side and the right side of the shielding shell are punched and formed with elastic sheets.