CN212033368U

CN212033368U - Improve and prevent heavy board-like Type-C connector of EMI effect

Info

Publication number: CN212033368U
Application number: CN202021070532.XU
Authority: CN
Inventors: 张永峰; 袁斌; 叶伟能
Original assignee: Dongguan Liangtuo Electronic Technology Co ltd
Current assignee: Dongguan Liangtuo Electronic Technology Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2020-11-27
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a sinking plate Type-C connector for improving EMI prevention effect, which comprises an insulating body, two terminal groups and a shielding shell; the insulation body comprises a base and a tongue plate integrally extending forwards on the base; the two sides of the bottom of the shielding shell are torn and bent outwards to extend front fixing legs and rear fixing legs which are arranged at intervals in the front and rear direction; the bottom of the shielding shell is concave and convex, two left and right salient points which are separately arranged are formed on the inner wall of the insertion groove, the salient points are positioned in front of the front fixing feet, and the top of the shielding shell is punched inwards to form two EMI elastic sheets. Through setting up bump and EMI shell fragment to the place ahead of preceding fixed foot is located to the cooperation bump, the width position of preceding fixed foot is located to the contact of EMI shell fragment, makes the shell of plug can carry out reliable and stable contact with shielding shell, effectively improves and prevents the EMI effect, has strengthened data transmission's stability and reliability greatly.

Description

Improve and prevent heavy board-like Type-C connector of EMI effect

Technical Field

The utility model belongs to the technical field of the connector technique and specifically relates to indicate a heavy board-like Type-C connector of EMI effect is prevented in improvement.

Background

USB Type-C, also known as USB-C or Type-C, is a new form of Universal Serial Bus (USB) hardware interface (USB interface also has Type-A and Type-B), which is produced along with the latest USB 3.1 standard. Released by the USB developer forum (USB-IF) in month 8 of 2014. The Type-C is a brand-new interface which is set by the USB standardization organization in order to solve the defects that the USB interface is not unified in physical interface specification and electric energy can only be transmitted in one direction for a long time, and the Type-C is characterized in that the upper end and the lower end of the Type-C are completely consistent in appearance, insertion in the positive direction and the negative direction is supported, and compared with the Micro-USB, a user does not need to distinguish the positive side and the negative side of the USB. And it integrates functions of charging, displaying and data transmission.

Present Type-C socket connector is because structural design is unreasonable, when leading to external plug and its to the jack connection, the shell of plug can not carry out reliable and stable contact with Type-C socket connector's shell, leads to preventing that EMI effect is not good, causes harmful effects to data transmission. Therefore, there is a need to develop a solution to the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a sinking plate Type-C connector with improved EMI prevention effect, which can effectively solve the problem of poor EMI prevention effect caused by unreasonable structure design of the conventional Type-C socket connector.

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

a sinking plate Type-C connector for improving EMI prevention effect comprises an insulating body, two terminal sets and a shielding shell; the insulation body comprises a base and a tongue plate integrally extending forwards on the base; the two end groups are arranged on the insulating body, contact parts of the two end groups are respectively exposed on the upper surface and the lower surface of the tongue plate, and welding parts of the two end groups extend out of the base; the shielding shell is coated outside the insulating body, and an insertion groove with a forward opening is formed between the inner wall of the shielding shell and the outer wall of the tongue plate; the two sides of the bottom of the shielding shell are torn and bent outwards to extend front fixing feet and rear fixing feet which are arranged at intervals front and back, and the heights of the front fixing feet and the rear fixing feet are higher than the bottom surface of the shielding shell; the bottom of the shielding shell is externally concave and internally convex, two left and right bumps which are separately arranged are formed on the inner wall of the insertion groove, the bumps are positioned in front of the front fixing pins, two EMI elastic pieces are formed on the top of the shielding shell in an inward punching mode, the two EMI elastic pieces are arranged at intervals and extend backwards, the tail ends of the two EMI elastic pieces are provided with contacts, the contacts stretch into the insertion groove, and the contacts are positioned at the width positions of the front fixing pins.

As a preferable scheme, two buckling grooves arranged at left and right intervals are concavely arranged on the rear side edge of the top of the base, buckling arms arranged at left and right intervals are formed by downwards punching and bending the rear side edge of the top of the shielding shell, and the two buckling arms are opposite to each other and are clamped into the corresponding buckling grooves for fixing.

As a preferred scheme, the upper and lower edges of the front end face of the base are both recessed backwards to form two embedding grooves arranged at left and right intervals, correspondingly, the top and the bottom of the shielding shell are both recessed outwards and inwards and a plurality of limiting parts are formed on the inner wall of the insertion groove, and the limiting parts are embedded in the corresponding embedding grooves.

As a preferred scheme, the left side and the right side of the bottom of the base are convexly provided with a limiting table and a clamping groove, the clamping groove is positioned at the rear side of the limiting table, correspondingly, the rear side edge of the bottom of the shielding shell is provided with a limiting groove and a clamping arm, the limiting table is positioned in the limiting groove, and the clamping arm is clamped in the clamping groove.

Preferably, the salient points are in a circular convex hull structure.

Preferably, the front fixing leg is located at a middle position of a side surface of the shielding shell, and the rear fixing leg is located at a rearmost position of the side surface of the shielding shell.

Preferably, the thickness of the shielding shell is 0.4 mm.

Preferably, the front ends of the contact parts of the two end sets are bent to extend out of fixing parts, and each fixing part is embedded in the tongue plate.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

through setting up bump and EMI shell fragment to the place ahead of preceding fixed foot is located to the cooperation bump, the width position of preceding fixed foot is located to the contact of EMI shell fragment, makes the shell of plug can carry out reliable and stable contact with shielding shell, effectively improves and prevents the EMI effect, has strengthened data transmission's stability and reliability greatly.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is an assembled perspective view of a preferred embodiment of the present invention;

FIG. 2 is a perspective view of the present invention in another angle;

FIG. 3 is a perspective view of the preferred embodiment of the present invention;

fig. 4 is a longitudinal cross-sectional view of a preferred embodiment of the invention;

fig. 5 is another cross-sectional view of the preferred embodiment of the present invention.

The attached drawings indicate the following:

10. insulating body 11, base

12. Tongue plate 101 and insertion groove

102. Fastening groove 103, embedding groove

104. Limiting table 105 and clamping groove

20. Terminal group 21 and contact part

22. Welding part 23, fixing part

30. Shielding shell 31, front fixing pin

32. Rear fixing leg 33, convex point

34. EMI elastic sheet 341, contact

35. The buckle arm 36 and the limit part

37. A limiting groove 38 and a clamping arm.

Detailed Description

Referring to fig. 1 to 5, a specific structure of a preferred embodiment of the present invention is shown, which includes an insulating body 10, two terminal sets 20 and a shielding shell 30.

The insulating body 10 includes a base 11 and a tongue 12 integrally extending forward from the base 11.

The two terminal sets 20 are disposed on the insulating body 10, the contact portions 21 of the two terminal sets 20 are respectively exposed on the upper and lower surfaces of the tongue plate 12, and the soldering portions 22 of the two terminal sets 20 extend out of the base 11, in this embodiment, the two terminal sets 20 are fixed to the insulating body 10 by insert molding. The front ends of the contact parts 21 of the two end sets 20 are respectively bent and extended with a fixing part 23, and each fixing part 23 is embedded in the tongue plate 12, so that the phenomenon of kneeling PIN of the terminals when the connector is used in a mutual insertion mode is prevented.

The shielding shell 30 is coated outside the insulating body 10, and an insertion groove 101 with a forward opening is formed between the inner wall of the shielding shell 30 and the outer wall of the tongue plate 12; front fixing legs 31 and rear fixing legs 32 which are arranged at intervals front and back are extended from two sides of the bottom of the shielding shell 30 in a tearing and outward bending mode, and the heights of the front fixing legs 31 and the rear fixing legs 32 are higher than the bottom surface of the shielding shell 10, so that the sinking plate type installation between the shielding shell and an external circuit board is realized; the bottom of the shielding shell 30 is concave inwards, two convex points 33 which are arranged left and right are formed on the inner wall of the insertion groove 101, the convex points 33 are located in front of the front fixing pins 31, the top of the shielding shell 30 is inwards punched to form two EMI elastic sheets 34, the two EMI elastic sheets 34 are arranged left and right at intervals and extend backwards, the tail ends of the two EMI elastic sheets 34 are provided with contacts 341, the contacts 341 extend into the insertion groove 101, and the contacts 341 are located at the width positions of the front fixing pins 31.

In this embodiment, the thickness of the shielding shell 30 is 0.4mm, the front fixing leg 31 is in an inverted L shape and is located at a middle position of a side surface of the shielding shell 30, the rear fixing leg 32 is in an inverted L shape and is located at a rearmost position of the side surface of the shielding shell 30, and the protruding point 33 is in a circular convex hull structure.

And two buckling grooves 102 arranged at left and right intervals are concavely arranged on the top rear side edge of the base 11, buckling arms 35 arranged at left and right intervals are formed by downwards punching and bending the top rear side edge of the shielding shell 30, and the two buckling arms 35 are opposite to each other and are clamped into the corresponding buckling grooves 102 for fixing so as to prevent the insulating body 10 from moving backwards and separating from the shielding shell 30.

In addition, the upper and lower edges of the front end face of the base 11 are both recessed backwards to form two embedding grooves 103 arranged at left and right intervals, correspondingly, the top and the bottom of the shielding shell 30 are both recessed outwards and inwards and a plurality of limiting parts 36 are formed on the inner wall of the insertion groove 101, and the limiting parts 36 are embedded in the corresponding embedding grooves 103, so that on one hand, the insulating body 10 can be prevented from moving forwards relative to the shielding shell 30, the structure is more stable, and on the other hand, the external plug can be prevented from being excessively inserted to damage the base 11.

In addition, the left and right sides of the bottom of the base 11 are both convexly provided with a limiting platform 104 and a clamping groove 105, the clamping groove 105 is located at the rear side of the limiting platform 104, correspondingly, the rear side edge of the bottom of the shielding shell 30 is formed with a limiting groove 37 and a clamping arm 38, the limiting platform 104 is located in the limiting groove 37, and the clamping arm 38 is clamped in the clamping groove 105 to prevent the shielding shell 30 from moving backwards relative to the insulating body 10, so that the structural stability is further enhanced.

Detailed description the assembly process of this embodiment is as follows:

during assembly, firstly, the two terminal sets 20 are embedded and formed with the insulating body 10 and fixed together, then, the insulating body 10 is inserted into the shielding shell 30 from the rear end opening of the shielding shell 30, and after the insulating body is inserted in place, the plurality of limiting parts 36 are embedded into the corresponding embedding grooves 103; then, the snap arms 35 are pressed into the corresponding snap grooves 102 and fixed, and the snap arms 38 are pressed into the corresponding snap grooves 105 and fixed.

When the external plug is inserted into the inserting groove 101 and inserted in place, the salient point 33 is contacted and conducted with the bottom surface of the outer shell of the plug, and the contact 341 is contacted and conducted with the top surface of the outer shell of the plug, thereby realizing good EMI prevention effect.

The utility model discloses a design focus lies in: through setting up bump and EMI shell fragment to the place ahead of preceding fixed foot is located to the cooperation bump, the width position of preceding fixed foot is located to the contact of EMI shell fragment, makes the shell of plug can carry out reliable and stable contact with shielding shell, effectively improves and prevents the EMI effect, has strengthened data transmission's stability and reliability greatly.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A sinking plate Type-C connector for improving EMI prevention effect comprises an insulating body, two terminal sets and a shielding shell; the insulation body comprises a base and a tongue plate integrally extending forwards on the base; the two end groups are arranged on the insulating body, contact parts of the two end groups are respectively exposed on the upper surface and the lower surface of the tongue plate, and welding parts of the two end groups extend out of the base; the shielding shell is coated outside the insulating body, and an insertion groove with a forward opening is formed between the inner wall of the shielding shell and the outer wall of the tongue plate; the method is characterized in that: the two sides of the bottom of the shielding shell are torn and bent outwards to extend front fixing feet and rear fixing feet which are arranged at intervals front and back, and the heights of the front fixing feet and the rear fixing feet are higher than the bottom surface of the shielding shell; the bottom of the shielding shell is externally concave and internally convex, two left and right bumps which are separately arranged are formed on the inner wall of the insertion groove, the bumps are positioned in front of the front fixing pins, two EMI elastic pieces are formed on the top of the shielding shell in an inward punching mode, the two EMI elastic pieces are arranged at intervals and extend backwards, the tail ends of the two EMI elastic pieces are provided with contacts, the contacts stretch into the insertion groove, and the contacts are positioned at the width positions of the front fixing pins.

2. The sunk plate Type-C connector with improved EMI prevention effect as claimed in claim 1, wherein: the shielding shell comprises a base, a shielding shell and a clamping groove, wherein the shielding shell is provided with a top back side edge and a bottom back side edge, the top back side edge of the base is concavely provided with two buckling grooves which are arranged at left and right intervals, the top back side edge of the shielding shell is downwards punched and bent to form buckling arms which are arranged at left and right intervals, and the two buckling arms are opposite to each other and are clamped into the.

3. The sunk plate Type-C connector with improved EMI prevention effect as claimed in claim 1, wherein: the upper and lower edges of the front end face of the base are both backwards concavely provided with two embedding grooves which are arranged at left and right at intervals, correspondingly, the top and the bottom of the shielding shell are both outwards concave and inwards convex, a plurality of limiting parts are formed on the inner wall of the insertion groove, and the plurality of limiting parts are embedded in the corresponding embedding grooves.

4. The sunk plate Type-C connector with improved EMI prevention effect as claimed in claim 1, wherein: the bottom left and right sides of base all is protruding to be equipped with spacing platform and draw-in groove, and this draw-in groove is located the rear side of spacing platform, and is corresponding, and this shielding case's bottom rear side edge is formed with spacing groove and card arm, and this spacing platform is located the spacing groove, and this card arm card is in the draw-in groove.

5. The sunk plate Type-C connector with improved EMI prevention effect as claimed in claim 1, wherein: the salient points are of circular convex hull structures.

6. The sunk plate Type-C connector with improved EMI prevention effect as claimed in claim 1, wherein: the front fixing pin is positioned in the middle of the side surface of the shielding shell, and the rear fixing pin is positioned at the final position of the side surface of the shielding shell.

7. The sunk plate Type-C connector with improved EMI prevention effect as claimed in claim 1, wherein: the thickness of the shielding shell is 0.4 mm.

8. The sunk plate Type-C connector with improved EMI prevention effect as claimed in claim 1, wherein: the front ends of the contact parts of the two end sub-groups are respectively bent and extended with a fixing part, and each fixing part is embedded into the tongue plate.