TWM544137U - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector having a shield structure.

With the development of electronic technology, the signals transmitted by the electrical connectors tend to be high-frequency and high-speed, which makes it more likely to generate high-frequency signal interference and electromagnetic interference between the conductive terminals of the electrical connectors and the electrical connectors that are plugged into each other. Moreover, it affects the transmission performance between the electrical connectors, and therefore also places higher requirements on the grounding shield structure of the electrical connector. Patent No. CN201520717437.7, Chinese Patent No. 13(0105) to paragraph [0106] discloses an electrical connector including an insulative housing, a plurality of first conductive terminals disposed on the insulative housing, and a plurality of a second conductive terminal, an inner grounding piece partially embedded in the insulating body, a first grounding piece and a second grounding piece covered on the insulating body, wherein the two fastening portions of the first grounding piece are respectively fastened to the The top surface of the plate body of the inner grounding piece is respectively fastened to the bottom surface of the plate body of the inner grounding piece by the two fastening portions of the second grounding piece. Since the engaging portion clamps the plate body and the point of application of the force to the plate body is not on the same vertical surface, the plate body is prone to warpage, resulting in the inner ground piece and the first The contact of the second grounding piece is unstable, which seriously damages the grounding path of the electrical connector, thereby affecting the shielding effect and shortening the service life of the electrical connector.

Therefore, it is necessary to design a new electrical connector with a stable grounding structure and a good grounding shielding effect to overcome the above problems.

The purpose of this creation is to provide an electrical connector in which the inner grounding piece and the outer grounding member form a more stable grounding path.

In order to achieve the above object, the present invention provides an electrical connector, comprising: an insulative housing, a base portion and a tongue extending forwardly from the base portion, a plurality of terminals disposed on the insulative housing, each of the terminals Adhered to the base and partially exposed on the upper surface or the lower surface of the tongue plate, an intermediate shielding sheet is fixed in the tongue plate, and a side edge of the intermediate shielding sheet protrudes from a side wall of the tongue plate, a grounding member is fixed on the tongue plate, the grounding member includes a first fixing piece shielding the surface of the tongue plate and a second fixing piece shielding the lower surface of the tongue plate, and the first fixing piece is bent And extending a first connecting piece for shielding the side wall of the tongue plate, and extending from the second fixing piece, a second connecting piece for shielding the side wall of the tongue plate, the first connecting piece and the second connection The sheets are located on the same side of the tongue plate and are staggered, and the projection of the first connecting piece in the width direction of the tongue plate at least partially overlaps with the second connecting piece, and the first connecting piece extends with the first abutting The portion is in contact with the lower surface of the intermediate shielding sheet, A second connecting piece with a second contact portion extending from the intermediate surface of the shield contact piece, wherein at least one of said first contact portion and said second contact portion toward the other deflection abutment portion.

Further, the first abutting portion is located below the intermediate shielding piece, an upper edge of the first abutting portion is in contact with a lower surface of the intermediate shielding piece, and the second abutting portion is located in the middle Above the shielding sheet, a lower edge of the second abutting portion is in contact with an upper surface of the intermediate shielding sheet.

Further, the first abutting portion and the second abutting portion both protrude rearward along the extending direction of the tongue plate.

Further, the first connecting piece is away from the side wall of the tongue in the width direction of the tongue plate than the second connecting piece, and the first abutting portion is deflected toward the second abutting portion.

Further, the projection of the first abutting portion in the thickness direction of the tongue plate at least partially overlaps the second abutting portion.

Further, the first abutting portion includes a deflecting portion that is deflected toward the second abutting portion and a transition portion that connects the deflecting portion and the first connecting piece, and an upper edge portion of the transition portion Contacting a lower surface of the intermediate shielding sheet, an upper edge of the deflecting portion completely contacting a lower surface of the intermediate shielding sheet.

Further, the length of the first abutting portion is greater than the length of the second abutting portion.

Further, a width of the first abutting portion in a thickness direction of the tongue plate is greater than a width of the second abutting portion in a thickness direction of the tongue plate.

Further, the terminal is divided into an upper row terminal and a lower row terminal by the intermediate shielding piece, the upper row terminal comprises a first ground terminal, the lower row terminal comprises a second ground terminal, and the first ground terminal And the second grounding terminal is exposed on the side wall of the tongue, the first abutting portion is in contact with the second grounding terminal, and the second abutting portion is in contact with the first grounding terminal.

Further, the second connecting piece and the second abutting portion are located in the same plane, and both are in contact with the first grounding terminal.

Further, the second connecting piece simultaneously contacts the first ground terminal and the Second ground terminal.

Compared with the prior art, the first abutting portion of the grounding member of the present electrical connector contacts the lower surface of the intermediate shielding sheet, and the second abutting portion and the upper surface of the intermediate shielding sheet In contact, at least one of the first abutting portion and the second abutting portion is deflected toward the other abutting portion. The action points of the first abutting portion and the second abutting portion for applying force to the intermediate shielding piece are in the same vertical plane, and the intermediate shielding piece can be evenly stressed, thereby preventing the grounding member from being damaged. The warpage of the intermediate shielding sheet is loosened, and the stable contact between the grounding member and the intermediate shielding sheet is ensured, and the grounding shielding effect is better.

1‧‧‧Insulating body

11‧‧‧ base

12‧‧ ‧ tongue

121‧‧‧ upper surface

122‧‧‧ lower surface

123‧‧‧ side wall

13‧‧‧

131‧‧‧ holding slot

14‧‧‧After

141‧‧‧ recessed area

2‧‧‧ terminals

21‧‧‧Upper terminal

22‧‧‧Lower terminal

211‧‧‧First grounding terminal

221‧‧‧Second ground terminal

3‧‧‧ Shell

31‧‧‧ Main body

32‧‧‧ Back cover

321‧‧‧through hole

33‧‧‧First solder fillet

34‧‧‧Second solder fillet

341‧‧‧ cards

4‧‧‧ Grounding parts

41‧‧‧Fixed tablets

411‧‧‧First fixed piece

412‧‧‧Second fix

413‧‧‧First connecting piece

414‧‧‧Second connection piece

415‧‧‧First Abutment

416‧‧‧Second Abutment

4151‧‧‧Transition Department

4152‧‧‧ deflection

42‧‧‧Connecting Department

43‧‧‧Overlapping areas

5‧‧‧Intermediate shielding film

51‧‧‧ board

52‧‧‧Weld Department

53‧‧‧through holes

The first figure is an exploded perspective view of the electrical connector of the present invention; the second figure is an exploded perspective view of the electrical connector of the present invention; the third figure is a perspective exploded view of another perspective of the electrical connector of the present invention; The fourth figure is an exploded perspective view of a further perspective view of the electrical connector of the present invention; the fifth figure is a partial cross-sectional view of the electrical connector without the outer casing of the fourth figure; and the sixth figure is a cross-sectional view of the electrical connector of the present invention.

In order to better understand the purpose, structure, features and functions of the present invention, the present invention will be further described in conjunction with the drawings and specific embodiments.

Referring to the first to fourth figures, the present embodiment provides an electrical connector that can be mounted on an external circuit board (not shown) and can be mated with a mating connector (not shown). The electrical connector includes an insulative housing 1 and a plurality of terminals 2 fixed to the insulative housing 1 The outer casing 3 on the outer side of the insulative housing 1 , the grounding member 4 disposed between the insulative housing 1 and the outer casing 3 , and the intermediate shielding sheet 5 fixed in the insulative housing 1 .

The insulative housing 1 includes a base portion 11 and a tongue plate 12 extending forwardly from the base portion 11, wherein the base portion 11 is relatively wide and the tongue plate 12 is relatively narrow, and the tongue plate 12 is further divided into a front portion. 13 and the rear section 14, the width of the rear section 14 is smaller than the width of the front section 13, forming a recessed area 141 such that the grounding member 4 is placed in the recessed area 141 and fastened to the rear section 14 of the tongue plate 12. The outer surface of the tongue plate 12 includes an upper surface 121 and a lower surface 122 and two side walls 123 between the upper surface 121 and the lower surface 122. A plurality of the terminals 2 include an upper row of terminals 21 and a lower row of terminals 22 symmetrically disposed about a center of the tongue plate 12, the upper row of terminals 21 and the lower row of terminals 22 being held by the base portion 11 and extending forward And partially exposed on the upper surface 121 and the lower surface 122, respectively, the lower row of terminals 22, the intermediate shielding sheet 5 and an insulator (not labeled) may be insert molded in advance to form a terminal. The module is configured such that the lower row of terminals 22 and the intermediate shielding sheet 5 are fixed in the insulator (not labeled), and then the upper row of terminals 21 are correspondingly engaged and fixed on the terminal module, and then The insulative housing 1 is again formed externally in an insert molding manner.

The intermediate shielding sheet 5 is located between the upper row of terminals 21 and the lower row of terminals 22, and mainly includes a plate body 51, and a welded portion 52 that is bent downward from the rear end of the plate body 51. The plate body 51 is provided with a plurality of through holes 53 for the plastic flow of the intermediate shielding sheet 5 and the lower row of terminals 22 during injection molding, or during the injection molding process. Fixed. A latching groove 131 is formed on both sides of the front section 13 of the tongue plate 12 such that a side edge of the intermediate shielding sheet 5 is exposed on the side wall 123, and a part of the board body 51 is corresponding to the recessed area 141. The side wall 123 is protruded. The soldering portion 52 extends outside the base portion 11 to be soldered to the circuit board.

The grounding member 4 in this embodiment is illustrated in a one-piece construction, but the grounding member 4 may also be of a two-piece construction. Referring to the second, third, fifth and sixth figures, the grounding member 4 includes two fixing pieces 41 and a connecting portion 42, and the connecting portion 42 is connected to one between the two fixing pieces 41. On the side, the grounding member 4 is snap-fitted from the side of the tongue plate 12 to the rear section 14 of the tongue plate 12. The fixing piece 41 covering the upper surface 121 is defined as a first fixing piece 411, and the fixing piece 41 covering the lower surface 122 is defined as a second fixing piece 412 from the first fixing piece 411 A first connecting piece 413 is bent downwardly, and the second fixing piece 412 is bent upward to extend a second connecting piece 414. The first connecting piece 413 and the second connecting piece 414 are located on the tongue plate. The same side of the 12, and the projection of the first connecting piece 413 in the width direction of the tongue plate 12 overlaps with the second connecting piece 414 and covers the side wall 123, and the overlapping portion forms an overlapping area 43, The area of the overlap region 43 is smaller than the area of the connecting portion 42, that is, the overlap region 43 does not completely cover the side wall 123, so that a portion of the plate body 51 protrudes from the side wall 123. The first connecting piece 413 is located on the outer side, and the first connecting piece 413 protrudes along the extending direction of the tongue plate 12 with a first abutting portion 415 beyond the overlapping region 43. The first abutting portion The edge of the portion 415 is in contact with the lower surface of the plate body 51. The second connecting piece 414 protrudes along the extending direction of the tongue plate 12 with a second abutting portion 416 extending beyond the overlapping region 43. The lower edge of the second abutting portion 416 is in contact with the upper surface of the plate body 51. Further, the first abutting portion 415 further includes a deflecting portion 4152 bent toward the second abutting portion 416. Connecting the first connecting piece 413 and the transition portion 4151 of the deflecting portion 4152, the upper edge portion of the transition portion 4151 contacts the lower surface of the plate body 51 due to the transition of the transition portion 4151. Further, the upper edge of the deflecting portion 4152 completely contacts the lower surface of the plate body 51. Because the first abutting portion 415 is deflected toward the second abutting portion 416, the upper edge of the deflecting portion 4152 is completely opposite to the plate body 51. The lower surface contact, the projection of the first abutting portion 415 in the thickness direction of the tongue plate 12 at least partially overlaps with the second abutting portion 416, that is, the first abutting portion 415 and the The urging action point of the second abutting portion 416 on the intermediate shielding sheet 5 is on the same vertical plane, and the distribution of the force is balanced to prevent the plate body 51 from warping. In this embodiment, the first abutting portion 415 and the second abutting portion 416 are both located on the same side of the overlapping region 43 , that is, both are convex toward the base portion 11 , and the first The ends of the abutting portion 415 and the second abutting portion 416 do not extend beyond the fixing piece 41 in the direction toward the base portion 11. In this embodiment, the first connecting piece 413 is located on the outer side, and the second connecting piece 414 is located on the inner side. In order to better fix the grounding piece 4 to the rear section 14 of the tongue plate 12, The structure of the first abutting portion 415 protruding from the first connecting piece 413 is more stable, so that the length of the first abutting portion 415 is greater than the length of the second abutting portion 416. The width of the first abutting portion 415 in the thickness direction of the tongue plate 12 is greater than the width of the second abutting portion 416 in the thickness direction of the tongue plate 12.

As shown in the first and fifth figures, the two ends of the upper row of terminals 21 are the first grounding terminal 211, the two ends of the lower row of terminals 22 are the second grounding terminal 221, and the first grounding terminal 211 is The second grounding terminal 221 is exposed on the sidewall 123, and the end of the deflecting portion 4152 of the first abutting portion 415 is in contact with the second grounding terminal 221, and the second abutting portion 416 is The first grounding terminal 211 is in contact with each other, because the second abutting portion 416 is a flat structure in the same plane as the second connecting piece 414, and the second connecting piece 414 is located inside, The second connecting piece 414 and the second abutting portion 416 can simultaneously contact the first grounding terminal 211. Further, the second connecting piece 414 is also simultaneously connected to the first grounding terminal 211 and the first The two ground terminals 221 are in contact.

As shown in the first figure, the outer casing 3 is surrounded to form a 180 degree symmetrical arrangement. The docking cavity covers the insulative housing 1. The outer casing 3 includes a main body portion 31, a rear cover 32 bent downward from the rear end of the main body portion 31, and a first soldering leg 33 formed by piercing. And a second solder fillet 34 formed in an extended manner. The second soldering leg 34 is provided with a card 341 formed by puncturing, and the card 341 is used for snap-fitting with the through hole 321 of the rear cover 32.

In summary, the creative electrical connector has the following beneficial effects:

(1) The grounding member includes two fixing pieces and a connecting portion, and the connecting portion is connected to one side between the two fixing pieces, so that the grounding piece is clamped and fixed from one side of the tongue plate The rear section of the tongue makes the grounding member more easily assembled on the insulating body.

(2) the first connecting piece extends with a first abutting portion in contact with a lower surface of the intermediate shielding piece, and the second connecting piece extends with a second abutting portion in contact with an upper surface of the intermediate shielding piece a grounding path between the grounding member and the intermediate shielding sheet is formed, and at least one of the first abutting portion and the second abutting portion is deflected toward the other abutting portion, so that The action points of the first abutting portion and the second abutting portion for applying force to the intermediate shielding sheet are in the same vertical plane, preventing the intermediate shielding sheet from being warped due to uneven force, thereby preventing the grounding member from being loosened. A stable connection of the grounding member to the grounding shielding path of the intermediate shielding sheet is ensured.

(3) the first connecting piece is away from the side wall of the tongue in the width direction of the tongue than the second connecting piece, and the first abutting portion includes a deflection toward the second abutting portion. a deflecting portion, the deflecting portion may provide an inward lateral force toward the side wall of the tongue plate, thereby preventing the first connecting piece from being outwardly stretched, and the length of the first abutting portion protruding is greater than a length of the second abutting portion protruding, and a width of the first abutting portion in a thickness direction of the tongue plate is greater than a width of the second abutting portion in a thickness direction of the tongue plate, so as to be far away The grounding member on the outer side of the tongue side wall can be better fixed on the tongue plate.

(4) Further, the first abutting portion is in contact with the second grounding terminal, and the second abutting portion is in contact with the first grounding terminal to form the grounding member and the grounding terminal The grounding shielding path further constitutes the grounding member, and the grounding shielding assembly between the intermediate shielding piece and the grounding terminal has better shielding effect on signal interference and electromagnetic interference inside and outside the electrical connector. .

The above detailed description is only for the description of the preferred embodiments of the present invention, and is not intended to limit the scope of the patents of the present invention. Therefore, any equivalent technical changes made by the present specification and the illustrated contents are included in the scope of the patent of the present invention. Inside.

1‧‧‧Insulating body

122‧‧‧ lower surface

123‧‧‧ side wall

2‧‧‧ terminals

21‧‧‧Upper terminal

22‧‧‧Lower terminal

221‧‧‧Second ground terminal

3‧‧‧ Shell

31‧‧‧ Main body

32‧‧‧ Back cover

33‧‧‧First solder fillet

34‧‧‧Second solder fillet

341‧‧‧ cards

4‧‧‧ Grounding parts

413‧‧‧First connecting piece

416‧‧‧Second Abutment

4151‧‧‧Transition Department

4152‧‧‧ deflection

5‧‧‧Intermediate shielding film

52‧‧‧Weld Department

Claims (11)

An electrical connector, comprising: an insulative housing, a base portion and a tongue extending forwardly from the base portion; a plurality of terminals disposed on the insulative housing, each of the terminals being retained by the The base portion is partially exposed on the upper surface or the lower surface of the tongue plate; an intermediate shielding sheet is fixed in the tongue plate, and a side edge of the intermediate shielding sheet protrudes from a side wall of the tongue plate; a grounding member is fixed On the tongue plate, the grounding member includes a first fixing piece shielding the surface of the tongue plate and a second fixing piece shielding the lower surface of the tongue plate, and the first fixing piece is bent and extended to be shielded a first connecting piece of the side wall of the tongue plate, and a second connecting piece for shielding the side wall of the tongue plate is bent from the second fixing piece, wherein the first connecting piece and the second connecting piece are located at the The same side of the tongue plate is staggered, and the projection of the first connecting piece in the width direction of the tongue plate at least partially overlaps with the second connecting piece; the first connecting piece extends with the first abutting portion and the The lower surface of the intermediate shielding sheet is in contact, and the second connecting piece is extended Second contact portion and the intermediate shield plate contacts the upper surface, wherein at least one of said first portion and said second abutting portion abutting the other abutment portion toward the deflection. The electrical connector of claim 1, wherein the first abutting portion is located below the intermediate shielding piece, and an upper edge of the first abutting portion and a lower surface of the intermediate shielding piece In contact, the second abutting portion is located above the intermediate shielding sheet, and a lower edge of the second abutting portion is in contact with an upper surface of the intermediate shielding sheet. The electrical connector of claim 2, wherein: the first abutting portion and the second The abutting portions all protrude rearward along the extending direction of the tongue plate. The electrical connector of claim 3, wherein the first connecting piece is farther from the tongue side wall than the second connecting piece in the width direction of the tongue plate, the first abutting portion Deviated toward the second abutment. The electrical connector of claim 4, wherein the projection of the first abutting portion in the thickness direction of the tongue plate at least partially overlaps the second abutting portion. The electrical connector of claim 4, wherein the first abutting portion includes a deflecting portion that is deflected toward the second abutting portion and the first connecting portion is connected to the deflecting portion a transition portion of the sheet, an upper edge portion of the transition portion contacting a lower surface of the intermediate shielding sheet, an upper edge of the deflecting portion completely contacting a lower surface of the intermediate shielding sheet. The electrical connector of claim 4, wherein the length of the first abutting portion is greater than the length of the second abutting portion. The electrical connector of claim 4, wherein a width of the first abutting portion in a thickness direction of the tongue is greater than a width of the second abutting portion in a thickness direction of the tongue plate . The electrical connector of claim 4, wherein the terminal is divided by the intermediate shielding piece into an upper row of terminals and a lower row of terminals, the upper row of terminals comprising a first grounding terminal, the lower row of terminals The second ground terminal is included, and the first ground terminal and the second ground terminal are exposed on the tongue side wall, the first abutting portion is in contact with the second ground terminal, and the second abutting The portion is in contact with the first ground terminal. The electrical connector of claim 9, wherein the second connecting piece and the second abutting portion are in the same plane and are in contact with the first grounding terminal. The electrical connector of claim 9, wherein the second connecting piece contacts the same at the same time The first ground terminal and the second ground terminal are described.