TW201417419A - Electrical connector - Google Patents

Abstract

An electrical connector includes an insulative housing, a main shielding shell, a number of contacts and an auxiliary shielding cover. The insulative housing includes a main portion and a mating section in front of the main portion. The main shielding shell is fixed to the main portion to cover the mating section of the insulative housing. The contacts include mating ends disposed in the mating section and welding ends extending out of the insulative housing. The auxiliary shielding cover is disposed around the welded ends under a condition that the cover move to a first position to has the first position exposing outside the mating ends and move to a second position to cover the mating ends. The auxiliary shielding cover of the electrical connector can shield signal to reduce interference and expose the contacts to be repaired.

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector soldered to a circuit board by surface soldering.

The Chinese Patent Application No. 102544812A discloses an electrical connector for soldering to a circuit board. The electrical connector includes a plastic body, a plurality of conductive terminals and a metal casing, and the plurality of conductive terminals are embedded in the plastic body. A soldering leg extending from the plastic body is provided for soldering to the circuit board. The metal casing is framed around the plastic body.

However, after the soldering legs of the plurality of conductive terminals are soldered to the circuit board, the soldering legs are exposed to the outside of the metal casing, and are interfered by the signal, which affects the use.

Therefore, it is necessary to improve the aforementioned electrical connector to solve the aforementioned drawbacks in the prior art.

It is an object of the present invention to provide an electrical connector that shields signals and reduces interference.

In order to achieve the foregoing objectives, the present invention adopts the following technical solution: an electrical connector includes an insulative housing, a shielding housing, a plurality of conductive terminals, and an auxiliary shielding cover, wherein the insulative housing is provided with a main body portion and an abutting portion located in front of the main body portion; The housing is fixed to the main body of the insulative housing to cover the abutting portion of the insulative housing; the plurality of conductive terminals include a mating end disposed at the mating portion and a soldering end extending from the main body portion, the soldering end being exposed outside the shielding housing; and the auxiliary shielding The cover is movably disposed at a periphery of the soldering end and has a first position exposing the soldering end and a second position obscuring the soldering end.

Compared with the prior art, the invention has the following advantages: adding an auxiliary shielding cover, sealing the conductive terminal as much as possible, shielding the signal, reducing interference, and moving the auxiliary shielding cover to the first position to view the welding end for inspection.

Referring to the first to third figures, the electrical connector 100 of the present invention is a USB 3.0 A-type receptacle connector that can be mounted on a circuit board (not shown). The front end of the electrical connector 100 is provided with a pair interface 101 for plugging a USB 2.0 A type mating plug (not shown) with a USB 3.0 A type mating plug (not shown). The electrical connector 100 includes an insulative body 1. a plurality of conductive terminals 2 housed in the insulative housing 1, a shielding case 3 covering the insulative housing 1 and an auxiliary shielding cover 4, the auxiliary shielding cover 4 being movably disposed on the periphery of the soldering end of the conductive terminal 2 and having a first position exposing the soldering end (as shown in the second figure) and the second position of the aforementioned soldering end (as shown in the third figure).

As shown in the fourth and fifth figures, the insulative housing 1 is provided with a main body portion 11 and an abutting portion 12 extending forward from the main body portion. The abutting portion of the present invention has a tongue plate structure. The main body portion 11 includes a vertical portion 111 and a parallel portion 112, and the tongue plate extends forward from the vertical portion 111, and the parallel portion 112 is parallel to the tongue plate 12. In the specific embodiment, the lower portion of the parallel portion 112 is a vacant structure, and the electrical connector 100 is a sinker type structure.

The plurality of conductive terminals 2 include a mating end 23 disposed on the insulative housing abutting portion 12 and a soldering end 24 extending from the rear end of the main body portion 11. The mating end 23 and the soldering end 24 are connected by a holding portion, and the retaining portion is embedded in the main body portion 11. (not shown). The weld end 24 forms a weld plane, and the weld plane of the present invention is higher than the tongue. The conductive terminal 2 includes a first conductive terminal 231 and a second conductive terminal 232. The butted end of the first conductive terminal 231 is located at the rear side of the butt end of the second conductive terminal 232, and the contact portion of the second conductive terminal 232 is buried and insulated. In the main body 1, the first conductive terminal 231 first forms a terminal module and is mounted on the insulative housing 1. The parallel portions 112 extend rearwardly to form a shoulder portion 114, and the soldering end 24 of the conductive terminal 2 is located between the shoulder portions 114, and does not extend beyond the end of the shoulder portion.

The shielding case 3 is fixed to the main body portion 11 of the insulative housing 1 to cover the abutting portion 12 of the insulative housing, thereby forming the pair of interfaces 101. The shielding housing 3 includes a top wall 31, a bottom wall 32 opposite to the top wall, and Two side walls 33 of the top wall 31 and the bottom wall 32 are connected, and the four walls are fixed to the main body portion 11, and the welded ends 24 are exposed outside the shielding case 3. A latching portion 331 is defined in the two sides of the vertical portion 111. The two side walls 33 are provided with a latching portion 331 corresponding to the latching slot 113. When the shielding shell is assembled on the outside of the insulating body, the latching portion 331 is engaged. Inside the card slot 113. The side walls 33 of the shielding shell 3 are provided with side portions 34 perpendicular to the welding plane on both sides of the main body portion 11. The side portions 34 of the shielding shell are convexly provided with protrusions 341 for engaging the auxiliary shielding cover. 4.

The auxiliary shield cover 4 includes a flat plate portion 41, a wing portion 42 bent from the both sides of the flat plate portion 41 toward the welding plane side, and a rear side plate 43 which is formed by bending the rear edge of the flat plate portion 41 toward the welding plane. The flat plate portion 41 extends forward to form an operation portion 44 for overlapping the shielding case 3. The wing portion 42 of the auxiliary shielding cover 4 is provided with a long groove 421 which is engaged with the above-mentioned protrusion 341, and the elongated groove 421 has a vertically long shape which can be slid by the above-mentioned protrusion 341. The auxiliary shielding cover 4 is mounted forward on the rear end of the insulating body, and the bump 341 slides along the elongated groove. The shoulder portion 114 is provided with a limiting groove 115 near the end. The wing portion 42 of the auxiliary shielding cover 4 is provided with a limiting protrusion 422 which is folded inwardly from the wing portion 42. The limiting convex portion 422 is limited to The shoulder portion 114 of the shielding shell 3 and the side portion of the auxiliary shielding cover 4 are formed together by a limiting groove 115.

As shown in the third figure, the auxiliary shielding cover 4 is movably disposed on the periphery of the soldering end 24 of the conductive terminal 2 and has a first position for exposing the soldering end 24 (the second figure is clearly shown) and shielding the soldering end. The second position of 24 (the third figure is clearly shown). The aforementioned welding end 24 is a surface-adhesive pattern having a welding plane, and the flat plate portion 41 is parallel to the welding plane in the second position. In other embodiments, the auxiliary shield cover 4 can also be rotated about the periphery of the solder end 24 of the conductive terminal 2. The long groove 421 has a circular or circular shape for the rotation of the aforementioned protrusion 341, and the flat plate portion 41 is parallel to the welding plane in the second position.

The electrical connector 100 of the present invention further includes a third shielding plate 5 disposed at the rear of the main body portion 11. The third shielding plate 5 has a lap point 51 communicating with the shielding housing 3, and the overlapping point 51 is overlapped. The lower surface of the insulative housing 1 is closed to another port opposite to the interface 101. The third shielding plate 5 can prevent dust or foreign matter from entering the inside of the electrical connector 100, thereby protecting the conductive terminals.

The electrical connector 100 of the present invention is added to the auxiliary shielding cover 4 to close the conductive terminal as much as possible to shield the signal, reduce interference, and move the auxiliary shielding cover to the first position to view the welding end for inspection.

In summary, the creation meets the requirements of the invention patent, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the foregoing embodiments, and any equivalent modification or change made by a person familiar with the skill of the present invention in accordance with the spirit of the present invention is It should be covered by the following patent application.

100. . . Electrical connector

1. . . Insulating body

101. . . Interface

11. . . Main body

111. . . Vertical part

112. . . Parallel

113. . . Card slot

114. . . Shoulder

115. . . Limit groove

12. . . Docking

2. . . Conductive terminal

twenty three. . . Docking end

231. . . First conductive terminal

232. . . Second conductive terminal

twenty four. . . Weld end

3. . . Shaded housing

31. . . Top wall

32. . . Bottom wall

33. . . Side wall

331. . . Buckle department

34. . . Side

341. . . Bump

4. . . Auxiliary shielding cover

41. . . Flat section

42. . . Wing

421. . . Long slot

422. . . Limiting convex

43. . . Rear side panel

44. . . Operation department

5. . . Third shield

51. . . Lap joint

The first figure is a perspective view of the electrical connector auxiliary shielding cover of the present invention in a first position;

2 is a perspective view of another perspective view of the electrical connector shown in the first figure;

The third figure is a perspective view of the electrical connector auxiliary shielding cover of the present invention when it is in the second position;

Figure 4 is a perspective exploded view of the electrical connector of the present invention;

The fifth figure is a perspective exploded view of the shielded housing shown in the fourth figure.

100. . . Electrical connector

113. . . Card slot

114. . . Shoulder

115. . . Limit groove

31. . . Top wall

331. . . Buckle department

34. . . Side

341. . . Bump

4. . . Auxiliary shielding cover

41. . . Flat section

42. . . Wing

421. . . Long slot

422. . . Limiting convex

43. . . Rear side panel

5. . . Third shield

Claims (9)

An electrical connector comprising:
The insulating body is provided with a main body portion and an abutting portion located in front of the main body portion;
The shielding shell is fixed to the main body portion of the insulative housing to cover the abutting portion of the insulative housing;
The plurality of conductive terminals include a butt end disposed at the mating portion and a soldering end extending from the body portion, the soldering end being exposed outside the shielding case; and the auxiliary shielding cover being movably disposed at a periphery of the soldering end and having the soldering exposed a first position of the end and a second position shielding the welding end. The electrical connector of claim 1, wherein the welding end is a surface-adhesive pattern having a welding plane, the auxiliary shielding cover comprising a flat portion above the welding end and bending from the flat portion toward the welding plane The rear side panel is parallel to the welding plane in the second position. The electrical connector of claim 2, wherein the two sides of the auxiliary shielding cover are bent toward the welding plane by two wings, and the wing portion is opposite to the shielding body or the main body of the insulating body along the first position and the second Sliding between positions. The electrical connector of claim 3, wherein the shielding shell is provided with a side portion perpendicular to the welding plane on both sides of the main body portion, and the side portion is convexly provided with a convex portion, the auxiliary shielding cover The wings are provided with elongated grooves that cooperate with the aforementioned projections. The electrical connector of claim 4, wherein the wing portion of the auxiliary shielding cover is provided with a limiting convex portion, and the two sides of the main body portion of the insulating body extend rearward to form a shoulder portion matching the side portion, the shoulder The portion and the side portion together form a limiting groove that limits the range of movement of the limiting convex portion of the auxiliary shielding cover. The electrical connector of claim 5, wherein the limiting protrusion is formed by folding inwardly from the wing. The electrical connector according to any one of claims 2 to 5, wherein the flat plate portion extends forward to form an operation portion overlapping the shielding case. The electrical connector of any one of the preceding claims, wherein the electrical connector further comprises a third shielding plate disposed behind the holding portion, the third shielding plate having A landing point that shields the housing from communication. The electrical connector of claim 5, wherein the soldering end of the conductive terminal is between the shoulders.