HDMI connector with piercing structure shielding shell

By setting a circular hole in the shielded shell of the HDMI connector, the problems of insufficient strength of the puncture punch and the generation of powder chips generated by interference friction are solved, and the production stability and product quality are improved, and the production cost is reduced.

CN222749821UActive Publication Date: 2025-04-11DONGGUAN KANG XIANG ELECTRONICS CO LTD
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Patent Information

Application Number
CN202420425288.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-05
Publication Date
2025-04-11
Estimated Expiration
2034-03-05

AI Technical Summary

Technical Problem

When making shielded shells, the existing HDMI connectors are not strong enough to break easily and produce unstable production; when folding back, the friction produces powder, affecting product quality and size control, resulting in high defect rate and high production cost.

Method used

An HDMI connector with a puncture structure is designed, and its shielding shell includes a main body, a fixed foot and a puncture part. The fixing foot extends on both sides of the main body. The puncture part is formed by puncture bending and is arranged next to the side of the fixing foot. A circular hole is provided at the connection between the puncture part and the fixing foot to avoid interference and friction.

Benefits of technology

The arrangement of the circular hole avoids interference and friction during the rewinding of the puncture part, reduces the generation of powder chips, improves product quality and reduces the defect rate; reduces the strength required for puncture punches, stabilizes production, and reduces production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an HDMI connector with a piercing structure shielding shell, comprising an insulating body, a plurality of terminals and a shielding shell; the shielding shell comprises a main body, a fixing foot and a piercing part, the fixing foot extends from the left and right sides of the main body, the piercing part is formed by piercing and bending on the left and right sides of the main body, the piercing part is arranged on the side of the fixing foot, and a circular hole is arranged at the connection between the piercing part and the fixing foot. The HDMI connector of this structure can effectively avoid the interference friction between the piercing part and the fixing foot when the piercing part is folded back through the arrangement of the circular hole, and will not generate powder, thereby improving the quality of the product and reducing the defective rate of the product; and the bending size of the piercing part is less affected, which is more conducive to size control and brings convenience to production; the strength required for the piercing punch during production is reduced, the piercing punch is not easy to break, the production is more stable, the smooth progress of production is guaranteed, the production cost is reduced, and the existing demand is met.
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Description

Technical Field

[0001] The utility model relates to the field technology of HDMI connector, in particular to an HDMI connector with a puncture structure shielding shell. Background Art

[0002] High Definition Multimedia Interface (HDMI) is a fully digital video and sound transmission interface that can transmit uncompressed audio and video signals. HDMI can be used in set-top boxes, DVD players, personal computers, televisions, game consoles, integrated amplifiers, digital audio and televisions, etc. HDMI can transmit audio and video signals at the same time. Since audio and video signals use the same wire, it greatly simplifies the installation of system lines.

[0003] HDMI connector is an auxiliary accessory of HDMI interface, which is mainly used to connect the monitor and the computer host, and its function is to transmit the signal on the monitor to the computer host. HDMI connector has many advantages: support for 3D display, support for high-definition TV, strong compatibility, no need to use additional drivers, space saving, simple connection, strong scalability, multiple colors optional, automatic tuning function, MIMO technology, ultra-thin design, easy installation, plug and play, etc.

[0004] In the prior art, when making the shielding shell of the HDMI connector, the shielding shell is generally pierced directly with a piercing punch, and then the pierced part is folded back. In this production method, the strength required for the piercing punch is relatively large, and it is easy to break due to insufficient strength of the piercing punch, resulting in unstable production; and, when folding back, there will be interference friction between the piercing part and the fixed foot connection, which is easy to produce powder and debris, affecting the quality of the product, and the defective rate of the product is high. In addition, it has a great impact on the bending size of the piercing part, which is not conducive to size control, brings inconvenience to production, and has a high production cost, which cannot meet the existing needs. Therefore, it is necessary to study a new technical solution to improve the above problems. Utility Model Content

[0005] In view of this, the utility model aims to improve the deficiencies in the prior art, and its main purpose is to provide an HDMI connector with a shielding shell having a puncturing structure, which can effectively solve the problems in the prior art that when making the shielding shell, the puncturing punch directly punctures the shielding shell with a relatively large strength, and it is easy to break due to insufficient strength of the puncturing punch, resulting in unstable production; there will be interference friction at the connection between the puncturing part and the fixed foot when folding back, which is easy to produce powder and debris, affecting the quality of the product, resulting in a high defective rate of the product, and a great influence on the bending size of the puncturing part, which is not conducive to size control and brings inconvenience to production.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An HDMI connector with a piercing structure shielding shell comprises an insulating body, a plurality of terminals and a shielding shell; the insulating body comprises a base and a tongue plate extending from the base; the plurality of terminals are arranged on the insulating body by inlay molding, the contact parts of the plurality of terminals are respectively exposed on the two surfaces of the tongue plate, and the welding parts of the plurality of terminals are all extended out of the base; the shielding shell is coated on the insulating body, the shielding shell comprises a main body, a fixed foot and a piercing part, the fixed foot extends from the left and right sides of the main body, the piercing part is formed by piercing and bending on the left and right sides of the main body, the piercing part is arranged on the side of the fixed foot, and a circular hole is arranged at the connection between the piercing part and the fixed foot.

[0008] As a preferred solution, positioning columns for positioning with external parts are provided on the left and right bottom surfaces of the insulating body, which has a stable structure and is easy and quick to assemble, thus bringing convenience to production.

[0009] As a preferred solution, the base is provided with card slots on the left and right sides, and the shielding shell is provided with buckles on the left and right sides. The two buckles are respectively connected to the corresponding card slot buckles, which effectively enhances the stability of the connection structure.

[0010] As a preferred solution, a positioning groove is provided at the front end of the base, and a protrusion is convexly provided inside the shielding shell. The protrusion is arranged in the positioning groove and cooperates with the positioning groove for positioning, thereby effectively enhancing the stability of the connection structure.

[0011] As a preferred solution, grooves are provided on the left and right sides of the rear end of the shielding shell, and protrusions are provided on the left and right sides of the rear end of the insulating body. The two protrusions are located in the corresponding grooves and fixed with the corresponding grooves, effectively enhancing the stability of the connection structure.

[0012] As a preferred solution, a plurality of spring pieces are provided on the shielding shell to facilitate plugging with an external male connector and enhance the stability of the structure.

[0013] As a preferred solution, there are four fixed legs, and correspondingly, there are four puncturing parts, and circular holes are provided at the connection between the four puncturing parts and the corresponding fixed legs.

[0014] As a preferred embodiment, the multiple terminals include multiple upper terminals and multiple lower terminals, each upper terminal includes a first contact portion, a first fixing portion and a first welding portion, the first contact portion is exposed on the upper surface of the tongue plate, the first fixing portion is buried in the insulating body, and the first welding portion extends out of the base, each lower terminal includes a second contact portion, a second fixing portion and a second welding portion, the second contact portion is exposed on the lower surface of the tongue plate, the second fixing portion is buried in the insulating body, the second welding portion extends out of the base, and the multiple second welding portions are flush with the multiple first welding portions.

[0015] As a preferred solution, the insulating body has extension parts extending forward on both sides thereof, and the extension parts are arranged beside the fixing legs and the piercing parts, so as to effectively enhance the stability of the connection structure.

[0016] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0017] The shielding shell includes a main body, a fixed foot and a piercing part, the fixed foot extends from the left and right sides of the main body, the piercing part is formed by piercing and bending on the left and right sides of the main body, the piercing part is arranged on the side of the fixed foot, and a circular hole is arranged at the connection between the piercing part and the fixed foot. The HDMI connector of this structure can effectively avoid the interference friction between the piercing part and the fixed foot when the piercing part is folded back through the arrangement of the circular hole, and will not generate powder, thereby improving the quality of the product and reducing the defective rate of the product; and the bending size of the piercing part is less affected, which is more conducive to size control and brings convenience to production; the strength required for the piercing punch during production is reduced, the piercing punch is not easy to break, the production is more stable, the smooth progress of production is guaranteed, the production cost is reduced, and the existing demand is met.

[0018] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of a preferred embodiment of the utility model;

[0020] Figure 2 It is a three-dimensional structural schematic diagram of another angle of a preferred embodiment of the utility model;

[0021] Figure 3 It is an exploded view of a preferred embodiment of the utility model;

[0022] Figure 4 It is an exploded view from another angle of a preferred embodiment of the utility model.

[0023] Description of the accompanying drawings:

[0024] 10. Insulation body 11. Base

[0025] 12. Tongue plate 13. Positioning column

[0026] 14. Extension portion 101, card slot

[0027] 102, positioning groove 103, bump

[0028] 20. Terminal 21, upper terminal

[0029] 211, first contact portion 212, first fixing portion

[0030] 213, first welding portion 22, lower terminal

[0031] 221, second contact portion 222, second fixing portion

[0032] 223, second welding portion 201, contact portion

[0033] 202, welding part 30, shielding shell

[0034] 31. Main body 32. Fixed foot

[0035] 33. Puncture portion 34. Round hole

[0036] 35. Shrapnel 301. Buckle

[0037] 302. Protrusion 303. Groove. DETAILED DESCRIPTION

[0038] Please refer to Figures 1 to 4 As shown, it shows the specific structure of a preferred embodiment of the utility model, including an insulating body 10, a plurality of terminals 20 and a shielding shell 30.

[0039] The insulating body 10 includes a base 11 and a tongue plate 12 extending from the base 11; in the present embodiment, positioning columns 13 for positioning with external parts are arranged on the bottom surfaces on the left and right sides of the insulating body 10, and the structure is stable, and the assembly is convenient and quick, which brings convenience to production; the left and right sides of the base 11 are provided with card slots 101; the front end of the base 11 is provided with a positioning slot 102; the left and right sides of the rear end of the insulating body 10 are provided with protrusions 103; the left and right sides of the insulating body 10 extend forward with extension parts 14.

[0040] The multiple terminals 20 are inlay-molded and arranged on the insulating body 10, and the contact portions 201 of the multiple terminals 20 are respectively exposed on the two surfaces of the tongue plate 12, and the welding portions 202 of the multiple terminals 20 are all extended out of the base 11; in this embodiment, the multiple terminals 20 include multiple upper terminals 21 and multiple lower terminals 22, each upper terminal 21 includes a first contact portion 211, a first fixing portion 212 and a first welding portion 213, the first contact portion 211 is exposed on the upper surface of the tongue plate 12, the first fixing portion 212 is buried in the insulating body 10, and the first welding portion 213 is extended out of the base 11, each lower terminal 22 includes a second contact portion 221, a second fixing portion 222 and a second welding portion 223, the second contact portion 221 is exposed on the lower surface of the tongue plate 12, the second fixing portion 222 is buried in the insulating body 10, and the second welding portion 223 is extended out of the base 11, and the multiple second welding portions 223 are flush with the multiple first welding portions 213.

[0041] The shielding shell 30 is covered on the outside of the insulating body 10, and the shielding shell 30 includes a main body 31, a fixed foot 32 and a piercing portion 33. The fixed foot 32 extends from the left and right sides of the main body 31, and the piercing portion 33 is formed by piercing and bending on the left and right sides of the main body 31. The piercing portion 33 is arranged on the side of the fixed foot 32, and a circular hole 34 is arranged at the connection between the piercing portion 33 and the fixed foot 32; in this embodiment, buckles 301 are arranged on the left and right sides of the shielding shell 30, and the two buckles 301 are respectively connected with the corresponding buckle slots 101, which effectively enhances the stability of the connection structure; a protrusion 302 is convexly provided on the inside of the shielding shell 30, and the protrusion 302 is arranged in the positioning groove 102 and cooperate with the positioning groove 102 to effectively enhance the stability of the connection structure; the left and right sides of the rear end of the shielding shell 30 are provided with grooves 303, and the above-mentioned two protrusions 103 are located in the corresponding grooves 303 and are fixed with the corresponding grooves 303, which effectively enhances the stability of the connection structure; a plurality of spring pieces 35 are provided on the shielding shell 30, which are convenient for plugging with the external male connector to enhance the stability of the structure; the number of the fixing feet 32 ​​is four, and the number of the piercing parts 33 is correspondingly four, and the connection between the four piercing parts 33 and the corresponding fixing feet 32 ​​is provided with round holes 34; the above-mentioned extension part 14 is arranged on the side of the fixing feet 32 ​​and the piercing part 33, which effectively enhances the stability of the connection structure.

[0042] The production process of this embodiment is described in detail as follows:

[0043] First, a plurality of terminals 20 are formed. When making the shielding shell 30, a circular hole 34 is first formed at the root of the punctured shielding shell 30, and then the puncture punch is used to puncture and the punctured portion 33 is folded back. The setting of the circular hole 34 can effectively avoid the interference friction between the punctured portion 33 and the fixed foot 32 when it is folded back, and no powder is generated, thereby making the shielding shell 30; then, the plurality of terminals 20 are placed in the mold for injection molding to form the insulating body 10; finally, the shielding shell 30 is covered on the outside of the insulating body 10, the two clips 301 are respectively connected with the corresponding clip grooves 101, the protrusion 302 is installed in the positioning groove 102 and positioned with the positioning groove 102, and the two protrusions 103 are installed in the corresponding grooves 303 and fixed with the corresponding grooves 303.

[0044] The design focus of this utility model is:

[0045] The shielding shell includes a main body, a fixed foot and a piercing part, the fixed foot extends from the left and right sides of the main body, the piercing part is formed by piercing and bending on the left and right sides of the main body, the piercing part is arranged on the side of the fixed foot, and a circular hole is arranged at the connection between the piercing part and the fixed foot. The HDMI connector of this structure can effectively avoid the interference friction between the piercing part and the fixed foot when the piercing part is folded back through the arrangement of the circular hole, and will not generate powder, thereby improving the quality of the product and reducing the defective rate of the product; and the bending size of the piercing part is less affected, which is more conducive to size control and brings convenience to production; the strength required for the piercing punch during production is reduced, the piercing punch is not easy to break, the production is more stable, the smooth progress of production is guaranteed, the production cost is reduced, and the existing demand is met.

[0046] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. An HDMI connector having a puncture structure shielding shell, characterized in that: It includes an insulating body, multiple terminals and a shielding shell; the insulating body includes a base and a tongue plate extending from the base; the multiple terminals are inlay-molded and arranged on the insulating body, the contact parts of the multiple terminals are respectively exposed on the two surfaces of the tongue plate, and the welding parts of the multiple terminals are all extended out of the base; the shielding shell is wrapped around the insulating body, and the shielding shell includes a main body, a fixed leg and a piercing part, the fixed leg extends from the left and right sides of the main body, the piercing part is formed by piercing and bending on the left and right sides of the main body, the piercing part is arranged on the side of the fixed leg, and a round hole is arranged at the connection between the piercing part and the fixed leg.

2. The HDMI connector with a piercing structure shielding shell according to claim 1, characterized in that: Positioning columns for positioning with external parts are arranged on the bottom surfaces of the left and right sides of the insulating body.

3. The HDMI connector with a piercing structure shielding shell according to claim 1, characterized in that: The left and right sides of the base are provided with card slots, and the left and right sides of the shielding shell are provided with buckles, and the two buckles are respectively connected with the corresponding card slot buckles.

4. The HDMI connector with a piercing structure shielding shell according to claim 1, characterized in that: A positioning groove is arranged at the front end of the base, and a protrusion is convexly arranged inside the shielding shell. The protrusion is arranged in the positioning groove and cooperates with the positioning groove for positioning.

5. The HDMI connector with a piercing structure shielding shell according to claim 1, characterized in that: The left and right sides of the rear end of the shielding shell are provided with grooves, and the left and right sides of the rear end of the insulating body are provided with protrusions, and the two protrusions are located in the corresponding grooves and fixed with the corresponding grooves.

6. The HDMI connector with a piercing structure shielding shell according to claim 1, characterized in that: A plurality of spring pieces are arranged on the shielding shell.

7. The HDMI connector with a piercing structure shielding shell according to claim 1, characterized in that: There are four fixed legs, and correspondingly, there are four piercing parts, and circular holes are provided at the connection between the four piercing parts and the corresponding fixed legs.

8. The HDMI connector with a piercing structure shielding shell according to claim 1, characterized in that: The multiple terminals include multiple upper terminals and multiple lower terminals, each upper terminal includes a first contact portion, a first fixing portion and a first welding portion, the first contact portion is exposed on the upper surface of the tongue plate, the first fixing portion is buried in the insulating body, and the first welding portion extends out of the base, each lower terminal includes a second contact portion, a second fixing portion and a second welding portion, the second contact portion is exposed on the lower surface of the tongue plate, the second fixing portion is buried in the insulating body, and the second welding portion extends out of the base, and the multiple second welding portions are flush with the multiple first welding portions.

9. The HDMI connector with a piercing structure shielding shell according to claim 1, characterized in that: The insulating body has extension parts extending forward on both left and right sides, and the extension parts are arranged beside the fixing legs and the piercing part.