CN212517627U

CN212517627U - HDMI2.1 connector

Info

Publication number: CN212517627U
Application number: CN202021783593.0U
Authority: CN
Inventors: 李华
Original assignee: Dongguan Qiyun Electronic Machinery Co ltd
Current assignee: Dongguan Qiyun Electronic Machinery Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-02-09
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a HDMI2.1 connector, including gluey core, shielding case, a plurality of first terminals and a plurality of second terminal, gluey core is including base and hyoplastron, shielding case cladding is outside gluey core, first terminal and second terminal all set up on gluey core, each first terminal all includes the first contact site that integrated into one piece connects, first connecting portion and first weld part, a plurality of first contact sites interval is arranged and is exposed in the upper surface of hyoplastron, each second terminal all includes the second contact site that integrated into one piece connects, second connecting portion and second weld part, a plurality of second contact sites interval is arranged and is exposed in the lower surface of hyoplastron, a plurality of first weld parts and a plurality of second weld part all stretch out outside the base; the tongue plate is provided with strip-shaped holes penetrating through the upper surface and the lower surface of the tongue plate; the strip-shaped hole is communicated with the plurality of first contact parts and the plurality of second contact parts respectively. The utility model discloses can effectively improve the high frequency characteristic of terminal, impedance match, decay scheduling problem.

Description

HDMI2.1 connector

Technical Field

The utility model relates to a connector technical field specifically is a relate to a HDMI2.1 connector.

Background

With the increasing progress of the scientific and technological era, the requirements of people on the quality of life are rapidly increased, and the requirements on high transmission rate are also increased. High-quality multimedia cross-section connectors are produced.

However, the current HDMI2.1 connector is not reasonable enough in design, resulting in poor high-frequency characteristics of the whole product, making impedance matching not meet the standard, and easily causing crosstalk between terminal signal pairs. Therefore, there is a need for an improvement of the current HDMI2.1 connector.

SUMMERY OF THE UTILITY MODEL

In view of the problems existing in the prior art, the utility model aims to provide an HDMI2.1 connector, which has a simple structure and can effectively improve the problem of poor high-frequency characteristics of the existing HDMI2.1 connector; meanwhile, the method also solves other problems in the prior art.

In order to realize the purpose, the technical scheme of the utility model is that:

an HDMI2.1 connector comprises a rubber core part, a shielding shell, a plurality of first terminals and a plurality of second terminals, wherein the rubber core part comprises a base and a tongue plate extending forwards from the base, the shielding shell covers the rubber core part, the first terminals and the second terminals are arranged on the rubber core part, each first terminal comprises a first contact part, a first connecting part and a first welding part which are integrally formed and connected, the first contact parts are arranged at intervals and exposed out of the upper surface of the tongue plate, each second terminal comprises a second contact part, a second connecting part and a second welding part which are integrally formed and connected, the second contact parts are arranged at intervals and exposed out of the lower surface of the tongue plate, and the first welding parts and the second welding parts extend out of the base; the tongue plate is provided with strip-shaped holes penetrating through the upper surface and the lower surface of the tongue plate; the strip-shaped hole is communicated with the plurality of first contact parts and the plurality of second contact parts respectively.

As a specific embodiment, the strip-shaped holes are provided with two and two of the strip-shaped holes arranged in parallel.

In a specific embodiment, a shielding sheet is covered on the rear side of the base and is in contact conduction with the shielding shell.

Further, the shielding sheet comprises a main body plate and a first bending part; the first bending part is formed by bending the top of the main body plate forwards; the rear side of the base is provided with a slot corresponding to the first bending part, and the first bending part is inserted into the slot.

Further, the first bending part comprises a vertical block and bending blocks respectively connected between the main body plate and the vertical block; the vertical block is parallel to the main body plate; the vertical block is inserted in the slot.

Further, the lateral length of the vertical block matches the lateral length of the slot.

Further, the bending block is in contact conduction with the shielding shell.

Furthermore, the shielding sheet also comprises two second bending parts; the two second bending parts are formed by bending two sides of the main body plate forwards, and the second bending parts are perpendicular to the main body plate; and two sides of the rear side of the base are respectively provided with a clamping position matched with the second bending part.

As a specific embodiment, two sides of the rear side of the shielding shell are respectively provided with a clamping groove; and the two sides of the base are respectively provided with a clamping block matched with the clamping groove.

As a specific embodiment, a third bending portion for hooking the base is further provided on each of two sides of the rear side of the shield case.

The utility model has the advantages that:

the utility model discloses a set up the bar hole on the hyoplastron and can make the high frequency signal reinforcing of adjacent terminal, effectively improve the high frequency characteristic of terminal, impedance match, decay and ACR audio frequency scheduling problem.

And (II) the shielding sheet is arranged at the rear side of the base, so that the high-frequency signals of the adjacent terminals can be further enhanced, the problems of high-frequency characteristics, impedance matching, attenuation, ACR audio frequency and the like of the terminals are effectively solved, the assembly structure between the base and the shielding sheet is firm and convenient to assemble, the assembly time is reduced, and the production cost is saved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is an exploded view of the present invention;

fig. 4 is a schematic structural view of the present invention with the shielding case removed;

fig. 5 is a graph of experimental data for the attenuation test of the present invention;

fig. 6 is an experimental data diagram of the far end crosstalk test of the present invention;

fig. 7 is an experimental data chart of ACR audio testing of the present invention;

fig. 8 is an experimental data chart of the characteristic impedance test of the present invention.

Reference numerals:

1. a glue core portion; 11. a base; 111. a slot; 112. clamping; 113. a clamping block; 12. a tongue plate; 121. a strip-shaped hole; 2. a shielding housing; 21. a clamping groove; 22. a third bend portion; 3. a first terminal; 31. a first contact portion; 32. a first connection portion; 33. a first weld; 4. a second terminal; 41. a second contact portion; 42. a second connecting portion; 43. a second weld; 5. a shielding sheet; 51. a main body plate; 52. a first bending portion; 521. a vertical block; 522. a bending block; 53. a second bending portion.

Detailed Description

The invention will be further elucidated with reference to the drawings and the embodiments, which are exemplary only and do not limit the scope of the invention.

As shown in fig. 1-4, an HDMI2.1 connector includes a core 1, a shielding shell 2, a plurality of first terminals 3 and a plurality of second terminals 4, wherein the core 1 includes a base 11 and a tongue 12 extending forward from the base 11, the shielding shell 2 covers the core 1, the first terminals 3 and the second terminals 4 are disposed on the core 1, each first terminal 3 includes a first contact portion 31 integrally connected, a plurality of first contact portions 32 and first soldering portions 33, the plurality of first contact portions 31 are arranged at intervals and exposed on the upper surface of the tongue plate 12, each second terminal 4 includes a second contact portion 41, a second connection portion 42 and a second soldering portion 43 which are integrally formed and connected, the plurality of second contact portions 41 are arranged at intervals and exposed on the lower surface of the tongue plate 12, and the plurality of first soldering portions 33 and the plurality of second soldering portions 43 extend out of the base 11; the first connecting portion 32 and the second connecting portion 42 are embedded in the base 11; a strip-shaped hole 121 penetrating through the upper surface and the lower surface of the tongue plate 12 is formed in the tongue plate 12; the strip-shaped holes 121 are respectively communicated with the first contact parts 31 and the second contact parts 41, so that clearance positions are formed between the adjacent first contact parts 31 and between the adjacent second contact parts 41, and high-frequency signals of the adjacent terminals are enhanced. The utility model discloses a set up bar hole 121 and can make the high frequency signal reinforcing of adjacent terminal on hyoplastron 12, and effectively improve the high frequency characteristic of terminal, impedance match, decay and ACR audio frequency scheduling problem.

In this embodiment, the strip-shaped holes 121 are provided with two and two strip-shaped holes 121 arranged in parallel, so that high-frequency signals of adjacent terminals can be further enhanced.

A shielding sheet 5 is covered on the rear side of the base 11 and is in contact conduction with the shielding shell 1. Specifically, the shield plate 5 includes a main body plate 51 and a first bent portion 52; the first bent portion 52 is formed by bending the top of the main body plate 51 forward; an insertion groove 111 corresponding to the first bending portion 52 is provided at the rear side of the base 11, and the first bending portion 52 is inserted into the insertion groove 111. The problems of high-frequency characteristics, impedance matching, attenuation, ACR audio frequency and the like of the terminal can be further effectively improved by arranging the shielding sheet 5; and can make things convenient for the equipment of shielding piece 5 through above setting, improve the utility model discloses an overall assembly efficiency, and 5 equipment of shielding piece accomplish back stable in structure.

Specifically, the first bending portion 52 includes a vertical piece 521 and bending pieces 522 respectively connected between the main body plate 51 and the vertical piece 521; the vertical block 521 is parallel to the main body plate 51; the vertical block 521 is inserted in the insertion groove 111. In order to make the shield plate 5 less likely to loosen after being mounted, the lateral length of the vertical piece 521 is set to match the lateral length of the slot 11. After the mounting is completed, the bent piece 522 is in contact conduction with the shield case 2. The above arrangement further stabilizes the shield sheet 5 and the base 1.

Specifically, the shielding plate 5 further includes two second bending portions 53; two second bending portions 53 are formed by bending both sides of the main body plate 51 forward, and the second bending portions 53 are perpendicular to the main body plate 51; two sides of the rear side of the base 11 are respectively provided with a blocking position 21 matched with the second bending part 53, and the second bending part 53 is inserted in the blocking position 21. The second bent portion 53 is engaged with the locking portion 21, so that the shielding plate 5 can be easily and firmly mounted on the base 11.

In order to facilitate the production of the shielding plate 5, the shielding plate 5 is integrally formed.

In order to facilitate the installation of the rubber core part 1 and the shielding shell 2, two sides of the rear side of the shielding shell 2 are respectively provided with a clamping groove 21; an engaging block 113 is provided on each side of the base 11 to engage with the engaging groove 21, and when the mounting is completed, the engaging block 113 is engaged with the engaging groove 21. Furthermore, a third bent portion 22 for hooking the base 11 is provided on each of both sides of the rear side of the shield case 2.

The assembly process of the present embodiment is described below:

firstly, punching a plurality of first terminals 3 and a plurality of second terminals 4 by using a punching die, then placing the plurality of first terminals 3 and the plurality of second terminals 4 into an injection die to injection mold a rubber core part 1, and thus enabling the plurality of first terminals 3 and the plurality of second terminals 4 to be fixed with the rubber core part 1 in an embedding molding way; next, the stamped shield plate 5 is mounted on the rear side of the base 11; finally, the shielding shell 2 is sleeved outside the rubber core part 1, and the shielding shell 2 is in contact conduction with the shielding sheet 2.

The following is a test of the high frequency characteristics of the product:

as shown in fig. 5, the attenuation test meets the criteria; as shown in fig. 6, the far-end crosstalk test meets the standard; as shown in fig. 7, the ACR audio test conforms to the standard; as shown in fig. 8, the characteristic impedance test is compliant with the standard.

To sum up, the utility model discloses a set up bar hole 121 and can make the high frequency signal reinforcing of adjacent terminal on hyoplastron 12, effectively improve the high frequency characteristic of terminal, impedance match, decay and ACR audio frequency scheduling problem. And the installation of shielding piece 5 in the rear side of base 11 can further make the high frequency signal of adjacent terminal strengthen, effectively improves the high frequency characteristic of terminal, impedance match, decay and ACR audio scheduling problem, and the packaging structure between base 11 and shielding piece 5 is firm and convenient the equipment moreover, has reduced the assemble duration, has practiced thrift manufacturing cost.

The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.

Claims

1. An HDMI2.1 connector comprises a rubber core part, a shielding shell, a plurality of first terminals and a plurality of second terminals, the rubber core part comprises a base and a tongue plate extending forwards from the base, the shielding shell is covered outside the rubber core part, the first terminals and the second terminals are arranged on the rubber core part, each first terminal comprises a first contact part, a first connecting part and a first welding part which are connected in an integrated forming mode, the first contact parts are arranged at intervals and exposed out of the upper surface of the tongue plate, each second terminal comprises a second contact part, a second connecting part and a second welding part which are connected in an integrated forming mode, the second contact parts are arranged at intervals and exposed out of the lower surface of the tongue plate, and the first welding parts and the second welding parts extend out of the base:

the tongue plate is provided with strip-shaped holes penetrating through the upper surface and the lower surface of the tongue plate; the strip-shaped hole is communicated with the plurality of first contact parts and the plurality of second contact parts respectively.

2. The HDMI2.1 connector of claim 1, wherein:

the bar hole is equipped with two and two bar hole parallel arrangement.

3. The HDMI2.1 connector of claim 1, wherein:

and the rear side of the base is covered with a shielding sheet which is in contact conduction with the shielding shell.

4. The HDMI2.1 connector of claim 3, wherein:

the shielding sheet comprises a main body plate and a first bending part; the first bending part is formed by bending the top of the main body plate forwards; the rear side of the base is provided with a slot corresponding to the first bending part, and the first bending part is inserted into the slot.

5. The HDMI2.1 connector of claim 4, wherein:

the first bending part comprises a vertical block and bending blocks respectively connected between the main body plate and the vertical block; the vertical block is parallel to the main body plate; the vertical block is inserted in the slot.

6. The HDMI2.1 connector of claim 5, wherein:

the transverse length of the vertical block matches the transverse length of the slot.

7. The HDMI2.1 connector of claim 5, wherein:

the bending block is in contact conduction with the shielding shell.

8. The HDMI2.1 connector of claim 4, wherein:

the shielding sheet also comprises two second bending parts; the two second bending parts are formed by bending two sides of the main body plate forwards, and the second bending parts are perpendicular to the main body plate; and two sides of the rear side of the base are respectively provided with a clamping position matched with the second bending part.

9. The HDMI2.1 connector of claim 1, wherein:

two sides of the rear side of the shielding shell are respectively provided with a clamping groove; and the two sides of the base are respectively provided with a clamping block matched with the clamping groove.

10. The HDMI2.1 connector of claim 9, wherein:

and third bent parts used for hooking the base tightly are respectively arranged on two sides of the rear side of the shielding shell.