TWI685153B - Electrical connector - Google Patents

Abstract

An electrical connector includes an insulative housing, a number of contacts and a metal plate retained in the housing, and a metal shell attached to the housing. One of the metal plate and the metal shell has at least one supporting portion in a rear end, and the other has at least one resisting portion to affix the supporting portion in an up-and-down direction.

Description

Electrical connector

The invention relates to an electrical connector, in particular to an electrical connector that can be inserted forward and reverse.

For related prior art, please refer to the Chinese Utility Model Patent No. 204230555, which discloses a bidirectional plug-in electrical connector. The electrical connector includes an insulating body, a plurality of terminals, an outer shield shell, and a set on the insulating The grounding lug in the body. The insulating body includes upper and lower insulating blocks, and the grounding sheet is sandwiched between the upper and lower insulating blocks. The outer shield shell is sleeved in a hollow cylindrical shape outside the insulating body. The insulating body has a base and a tongue plate extending forward from the base. The upper and lower surfaces of the base are attached to the inner surface of the outer shield shell. Refer to a positive and negative plug-in connector disclosed in Mainland China Utility Model No. 204257908. The electrical connector includes an insulating body, a metal partition and a shield shell. The metal partition is arranged in the insulating body, and a perforation is opened. The insulating body includes a first insulating block and a second insulating block. The first insulating block is provided with a convex column, the second insulating block has a concave portion, and the convex column is held by the concave portion of the second insulating block through a through hole. The shield shell is sleeved on the outer side of the insulating body and positions the insulating body.

Most of the insulating body is divided into upper and lower parts, separated by a grounding piece. When assembled into the metal shell, the grounding piece is easy to rotate, which causes an offset in the assembly of the insulating body and cannot guarantee a good positive position.

Therefore, an improved electrical connector is needed to make up for the above-mentioned defects in the prior art.

The main purpose of the present invention is to provide an electrical connector, which can ensure the correct position of the tongue plate and enhance the strength of the electrical connector.

The object of the present invention is achieved by the following technical solution: an electrical connector including an insulating body, a plurality of conductive terminals held on the insulating body, a grounding piece provided inside the insulating body, and a sleeve In the shielding case outside the insulating body, the grounding plate has at least one support portion that extends horizontally backward from the shielding case, and a pair of clips corresponding to each of the support portions are provided at the rear end of the shielding case A holding portion is provided with an accommodating portion between the clamping portions to accommodate and clamp the supporting portion in the vertical direction.

Compared with the conventional technology, the present invention has the following effects: the grounding piece of the electrical connector of the present invention has a support portion extending horizontally out of the shielding shell, and a rear end of the shielding shell is provided with a corresponding support A pair of clamping parts of the part, with an accommodating part between the clamping parts for accommodating and clamping the support part in the up-down direction, and welding and fixing, so that the grounding piece and the shielding case are horizontal The positioning in the breaking direction and the up and down direction ensures the positive position of the insulating body and avoids overturning.

100‧‧‧Electrical connector

1‧‧‧Insulation body

10‧‧‧Flow hole

11‧‧‧The first insulating body

110‧‧‧The first gap

111‧‧‧First pedestal

112‧‧‧First tongue plate

114‧‧‧Bump

115‧‧‧The first rear end

116‧‧‧ abutment block

117‧‧‧Diversion hole

12‧‧‧Second insulation body

120‧‧‧The second gap

121‧‧‧Second base

122‧‧‧Second tongue plate

123‧‧‧Protrusion

124‧‧‧Card holder

13‧‧‧The third insulation body

2‧‧‧Conductive terminal

21‧‧‧ First terminal

211‧‧‧First Contact Department

212‧‧‧First Holding Department

213‧‧‧First Welding Department

214‧‧‧The first overlapping department

22‧‧‧Second terminal

221‧‧‧Second Contact Department

222‧‧‧Second holding part

223‧‧‧Second Welding Department

224‧‧‧The second overlapping part

3‧‧‧Ground piece

30‧‧‧Edge

31‧‧‧Main part

311‧‧‧Perforation

312‧‧‧Connecting block

32‧‧‧flank

33‧‧‧Positioning Department

331‧‧‧Fixed Department

332‧‧‧Support

333‧‧‧Abutment Department

4‧‧‧Shielding shell

40‧‧‧Ring

41‧‧‧Top wall

410‧‧‧Convex hull

42‧‧‧Bottom wall

43‧‧‧Sidewall

44‧‧‧Fixed feet

441‧‧‧Boss

45‧‧‧Clamping Department

450‧‧‧Accommodation Department

46‧‧‧stop wall

5‧‧‧Metal case

51‧‧‧The first shield

52‧‧‧Second blocking part

521‧‧‧ opening

522‧‧‧The second elastic arm

53‧‧‧The third shield

54‧‧‧ First elastic arm

6‧‧‧Glue wall

The first figure is a perspective assembled view of the electrical connector of the present invention.

The second picture is a perspective combined view of the first picture seen from another direction.

The third figure is a three-dimensional schematic diagram of the electrical connector of the present invention with the shielding shell removed.

The fourth figure is a partial exploded view of the electrical connector of the present invention.

The fifth figure is a partial exploded view of the fourth figure viewed from another direction.

The sixth figure is an exploded perspective view of the electrical connector of the present invention.

The seventh figure is an exploded perspective view of the sixth figure viewed from another direction.

The eighth figure is a cross-sectional view of the electrical connector of the present invention taken along the line VIII-VIII of the first figure.

Hereinafter, specific embodiments of the electrical connector 100 of the present invention will be described with reference to the first to eighth figures. The port where the electrical connector 100 is mated with the mating connector is defined as a mating end, and the contact portion between the electrical connector 100 and the mating connector is defined as a mating portion. Define the docking direction, the transverse direction perpendicular to the docking direction, and the up-down direction perpendicular to both the docking direction and the transverse direction.

Referring to the first to sixth figures, the electrical connector 100 of the present invention includes an insulating body 1, a conductive terminal 2 held in the insulating body 1, a grounding tab 3 installed in the insulating body 1, and a coating on the insulating body 1 shielding case 4 which forms the receiving cavity outside.

Please refer to the fifth to sixth figures, the insulating body 1 includes a first insulating body 11, a second insulating body 12 and a third insulating body 13 stacked on top of each other. The first insulating body 11 includes a first base 111 and a first tongue plate 112 extending forward from the first base 111 and spaced apart from the first base 111 to form a first notch 110. A protrusion 114 protrudes downward from the front end of the lower surface of the first tongue 112. The rear end of the first base 111 is provided with a first rear end portion 115 formed to extend backward and an abutment block 116 formed to extend outward. Referring to the third figure, the top of the rear end of the first base 111 is provided with a guide hole 117 for receiving glue. The second insulating body 12 includes a second base 121 and a second tongue plate 122 extending forward from the second base 121 and spaced apart from the second base 121 to form a second notch 120. The lower surface of the second tongue 122 is protrudingly provided with a protrusion 123 and a locking block 124 formed at the front end and extending downward. The clamping block 124 resists the front end of the first tongue 112 of the first insulating body 11. The third insulating body 13 fills the first gap 110 of the first insulating body 11 and the second gap 120 of the second insulating body 12.

The conductive terminal 2 is integrally formed with the insulating body 1, and includes a first terminal 21 held on the first insulating body 11 and a second terminal 22 held on the second insulating body 12. The first terminal 21 includes a first contact portion 211 exposing the upper surface of the first tongue 112, a first holding portion 212 exposed in the first notch 110, and a first from the first insulating body 11 The first welding portion 213 extending horizontally from the bottom of the rear end portion 115. The second terminal 22 includes a second contact portion 221 exposing the lower surface of the second tongue 122, a second holding portion 222 exposed in the second notch 120, and a second from the second insulating body 12 The second welding portion 223 extending from the rear end of the base 121. Expose the first tongue plate The outer surface of the first contact portion 211 on the upper surface of 112 is flush with the upper surface of the first tongue plate 112, exposing the outer surface of the second contact portion 221 that exposes the lower surface of the second tongue plate 122 and the second tongue plate 122 The lower surface is flush.

The first terminal 21 and the second terminal 22 are symmetrically distributed along the central axis extending forward and backward, and respectively include four power terminals protruding forward and eight signal terminals located later. The two power terminals on both sides are used for grounding, while the two power terminals in the middle are used to provide power. The eight signal terminals later include four high-speed differential signal terminals on both sides of the column, two low-speed differential signal terminals in the center, and two control terminals on either side of the pair of differential signal terminals. The first contact portion 211 of the first terminal 21 and the second contact portion 221 of the second terminal 22 are correspondingly arranged up and down, and the first welding portion 213 of the first terminal 21 and the second welding portion 223 of the second terminal 22 They are in the same plane. Therefore, regardless of whether the docking connector is inserted in the forward or reverse direction, the first and second contact portions 211 and 221 of the electrical connector 100 and the corresponding contact portion of the docking connector can be correctly and correctly positioned in electrical connection.

Referring to the fifth and sixth figures, the first holding portion 212 of the ground terminal of the first terminal 21 located at the outermost side is provided with a first overlapping portion 214 formed by bending downward and extending inward. The second holding portion 222 of the ground terminal of the second terminal 22 located at the outermost side is provided with a second overlapping portion 224 that is bent upward and then extended inward.

The grounding sheet 3 includes a main body portion 31 extending horizontally and sandwiched between the first insulating body 11 and the second insulating body 12, side wings 32 formed up and down from both sides of the main body portion 31, and a device The positioning portion 33 at the rear end. The front end of the main body 31 has edges 30 exposing the insulating body 1. The main body portion 31 has a through hole 311 hollowed out to receive the protruding portion 123 of the second insulating body 12 and protruding outward from both sides of the upper and lower surfaces to be accommodated in the first notch 110 and the second notch 120 Connect block 312. The first overlapping portion 214 on the first holding portion 212 of the first terminal 21 overlaps the connection block 312 on the lower surface of the grounding plate 3, and the second holding portion 222 of the second terminal 22 The second lap portion 224 on the lap is connected to the connection block 312 on the upper surface of the ground plate 3, so that the ground terminal of the first terminal 21 and the ground terminal of the second terminal 22 form electrical properties Turn on. The side wings 32 are provided on both sides of the first base 111 and the second base 121. The positioning portion 33 has a fixed portion 331 that extends vertically, a support portion 332 that extends horizontally from the fixed portion 331 to the outside, and a contact portion 333 that extends horizontally from the fixed portion 331. A flow hole 10 is formed between the fixing portion 331, the contact portion 333 and the first rear end portion 115 of the insulating body 1, so that the glue flows to form the glue wall 6.

Referring to the first to seventh figures, the shielding shell 4 includes The top wall 41 and the bottom wall 42 and a pair of side walls 43 connecting the top wall 41 and the bottom wall 42. Referring to the sixth figure, the front end of the shielding casing 4 has an annular portion 40, and the annular portion 40 grows the top wall 41 and the bottom wall 42 in the up-down direction. The top wall 41 and the bottom wall 42 of the shielding housing 4 are provided with a plurality of convex bulges 410 that protrude inward, and the convex 410 interferes with the mating connector for grounding. The side wall 43 is provided with a fixing foot 44 extending outward and then bent downward. The front end of the fixing foot 44 is provided with a boss 441 protruding downward. The boss 441 can be positioned on the circuit board to prevent the electrical connector 100 from turning over. The rear ends of the pair of side walls 43 respectively have a pair of clamping portions 45 that are spaced apart from each other to form an accommodating portion 450. The support portion 332 of the grounding lug 3 is accommodated and fixed in the accommodating portion 450 between the pair of clamping portions 45 in the up-down direction, and is fixed by welding, and the fixing portion 331 of the grounding lug 3 abuts against the Inside the clamping portion 45, the contact portion 333 of the grounding piece 3 is overlapped and fixed on the contacting piece 116 of the insulating body 1, so that the grounding piece and the shielding case 4 are in a transverse direction Positioning with the up and down direction to ensure the positive position of the first tongue plate 112 and the second tongue plate 122 of the insulating body 1 to avoid overturning. The front end portion of the shielding case 4 is substantially cylindrical, and the rear end portion is substantially a rectangular parallelepiped. The first rear end 115 of the insulating body 1 is flush with the rear frame of the shielding case 4. The shielding housing 4 has a stop wall 46 provided in the inner cavity. In the present design, the stop wall 46 is provided at the junction of the front end portion and the rear end portion of the shielding housing 4. The stop wall 46 reduces the size of the rear port of the shielding shell 4 so that the first base 111 of the first insulating body 11 and the second base 121 of the second insulating body 12 stop at the stop Position wall 46 rear end. The butting portion includes a first tongue plate 112 and a second tongue plate 122 of the insulating body 1, a main body portion 31 of the ground plate 3, a first contact portion 211 and a second contact portion 221 of the conductive terminal 2与部分third insulating body 13. The docking portion partially exposes the front port of the shielding casing 4.

Referring to the fifth to sixth figures, the metal housing 5 includes a first shielding portion 51 extending in the horizontal direction, a second shielding portion 52 extending upward from the first shielding portion 51, The rear end of the first shielding portion 51 is bent downward and extends to form a third shielding portion 53 and a first elastic arm 54 formed by bending downward from both sides of the first shielding portion 51. The first shielding portion 51 covers the first base 111 of the insulating body 1, the second shielding portion 52 shields the rear end of the second base 121 of the insulating body 1, and the third shielding The portion 53 shields the rear end of the first rear end 115 of the insulating body 1 and fits the rear end of the shielding case 4, and the first elastic arm 54 is clamped in the clamping portion 45 of the shielding case 4 external. An opening 521 and a second elastic arm 522 provided in the opening 521 are opened in the middle of the second blocking portion 52. The second elastic arm 522 resists the rear end of the glue wall 6.

Referring to the second figure, the electrical connector 100 further includes a blockage on the insulating body 1 The glue wall 6 at the back end. The glue wall 6 is filled with glue through the flow hole 10 and the diversion hole 117 of the insulating body 1 so as to fill the first base 111 and the second base 121 of the insulating body 1 and the shielding shell The gap between the bodies 4 is fully waterproof.

In summary, the present invention meets the requirements of the invention patent, and the patent application is filed in accordance with the law. However, the above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-mentioned embodiment. Any equivalent modifications or changes made by those skilled in the art with the spirit of the present invention should be Covered in the following patent applications.

100‧‧‧Electrical connector

10‧‧‧Flow hole

331‧‧‧Fixed Department

332‧‧‧Support

333‧‧‧Abutment Department

40‧‧‧Ring

441‧‧‧Boss

45‧‧‧Clamping Department

52‧‧‧Second blocking part

522‧‧‧The second elastic arm

54‧‧‧ First elastic arm

Claims (9)

An electrical connector includes an insulating body, a plurality of conductive terminals held on the insulating body, a grounding piece provided inside the insulating body, and a shielding shell sleeved around the insulating body, wherein The rear ends of the grounding lugs respectively extend horizontally from the shielding shell to form a supporting portion, and the rear ends of the two side walls of the shielding shell respectively extend horizontally to form a pair of plate-shaped clamping portions perpendicular to the side walls , The clamping portion extends laterally beyond the side wall of the shielding casing, and an accommodation portion for accommodating the support portion is provided between each pair of clamping portions. The electrical connector as described in item 1 of the patent application range, wherein the clamping portion is welded and fixed between the pair of support portions in the up-down direction. The electrical connector as described in item 1 of the patent application range, wherein the rear end of the grounding plate is provided with a pair of fixing portions extending in the up-down direction, and the pair of fixing portions is adjacent to the pair of support portions The inner side is pressed against the inner side of the corresponding supporting part and clamping part. The electrical connector as described in item 3 of the patent application range, wherein the grounding plate further has a pair of abutting portions extending inwardly from the fixing portion, and the insulating body is provided with lateral extensions from both sides A pair of abutting blocks is formed, and the pair of abutting portions respectively abuts and is fixed on the abutting blocks. The electrical connector as described in item 1 of the patent application scope, wherein the electrical connector further includes a metal housing having a first shielding portion horizontally covering the rear end of the insulating body, and both sides of the first shielding portion A pair of first elastic arms extending in the butting direction are provided. The first elastic arms surround the clamping portion and allow the free end of the first elastic arm to be buckled at the front end of the clamping portion. The electrical connector as described in item 5 of the patent application scope, wherein the electrical connector further includes a glue wall, and the metal housing has an up-down direction extending over the glue wall A second shielding part at the rear, the second shielding part forms a second elastic arm separated from the second shielding part and abutting the rear end of the glue wall. The electrical connector as described in item 6 of the patent application range, wherein the insulating body includes a first insulating body and a second insulating body arranged above and below, the first insulating body has a first base and a A first rear end portion formed by the rearward extension of the base, the second insulating body has a second base, the second shielding portion shields the rear end of the second base, and the metal housing further has A shielding portion extends downward to shield the third shielding portion at the rear end of the first rear end portion. The electrical connector as described in item 7 of the patent application scope, wherein the first rear end portion is provided with a plurality of diversion openings that allow glue to flow to form the glue wall, and the rear end of the grounding tab and the The rear end of the insulating body is provided with a number of flow holes to accommodate the flow of glue. The electrical connector as described in item 1 of the patent application range, wherein the insulating body has a tongue plate mated with a mating connector, the tongue plate protrudes forward from the shielding housing, and the shielding housing is provided with There are a plurality of convex hulls protruding inward to interfere with the mating connector, and two sides of the shielding shell are provided with bosses extending to the front end surface of the shielding shell to prevent the electrical connector from rotating.

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