CN107275866B

CN107275866B - Electrical connector

Info

Publication number: CN107275866B
Application number: CN201610212150.8A
Authority: CN
Inventors: 王永奇; 晏辉如
Original assignee: Huawei Technologies Co Ltd; Foxconn Kunshan Computer Connector Co Ltd; Foxconn Interconnect Technology Ltd
Current assignee: Huawei Technologies Co Ltd; Foxconn Kunshan Computer Connector Co Ltd; Foxconn Interconnect Technology Ltd
Priority date: 2016-04-07
Filing date: 2016-04-07
Publication date: 2019-12-27
Anticipated expiration: 2036-04-07
Also published as: CN107275866A; TW201739118A; JP2017188419A; TWI685153B

Abstract

An electric connector comprises an insulating body, a plurality of conductive terminals fixed on the insulating body, a grounding sheet arranged in the insulating body and a shielding shell sleeved outside the insulating body, wherein the grounding sheet is provided with at least one supporting part horizontally extending backwards to the shielding shell, the rear end of the shielding shell is provided with a pair of clamping parts corresponding to each supporting part, and an accommodating part is arranged between the clamping parts so as to accommodate and clamp the supporting parts in the up-and-down direction.

Description

Electrical connector

[ technical field ] A method for producing a semiconductor device

The present invention relates to an electrical connector, and more particularly to an electrical connector suitable for positive and negative insertion.

[ background of the invention ]

Chinese utility model No. 204230555 discloses an electric connector of two-way grafting, this electric connector contains an insulator, a plurality of terminals, an outer shielding shell and one locates grounding piece in the insulator. The insulating body comprises an upper insulating block and a lower insulating block, and the grounding piece is clamped between the upper insulating block and the lower insulating block. The outer shielding shell is sleeved outside the insulating body in a hollow cylindrical shape. The insulating body is provided with a base and a tongue plate which extends forwards from the base. The upper and lower surfaces of the base are attached to the inner surface of the outer shielding shell. Refer to the chinese utility model patent No. 204257908, a positive and negative plug-in connector is disclosed. The electric connector comprises an insulating body, a metal partition plate and a shielding shell. The metal partition plate is arranged in the insulating body and is provided with a through hole. The insulating body comprises a first insulating block and a second insulating block. The first insulating block is provided with a convex column, the second insulating block is provided with a concave part, and the convex column is clamped with the concave part of the second insulating block through the through hole. The shielding shell is sleeved on the outer side of the insulating body and positions the insulating body.

In the prior art, the insulation body is divided into an upper part and a lower part mostly, and the ground lugs are used for separation, so that when the insulation body is assembled into a metal shell, the ground lugs are easy to rotate, the insulation body is deviated during assembly, and better true position cannot be guaranteed.

Therefore, there is a need to provide a new electrical connector to overcome the above-mentioned drawbacks.

[ summary of the invention ]

The invention aims to provide an electric connector, which can ensure the righting degree of a tongue plate and enhance the strength of the electric connector.

The purpose of the invention is realized by the following technical scheme: an electric connector comprises an insulating body, a plurality of conductive terminals fixed on the insulating body, a grounding sheet arranged in the insulating body and a shielding shell sleeved outside the insulating body, wherein the grounding sheet is provided with at least one supporting part horizontally extending backwards to the shielding shell, the rear end of the shielding shell is provided with a pair of clamping parts corresponding to each supporting part, and an accommodating part is arranged between the clamping parts so as to accommodate and clamp the supporting parts in the up-and-down direction.

Compared with the prior art, the invention has the following beneficial effects: the grounding sheet of the electric connector is provided with the supporting parts horizontally extending out of the shielding shell backwards, the rear end of the shielding shell is provided with a pair of clamping parts corresponding to each supporting part, and an accommodating part is arranged between the clamping parts to accommodate and clamp the supporting parts in the vertical direction and perform welding fixation, so that the grounding sheet and the shielding shell are positioned in the transverse direction and the vertical direction, the true position degree of the insulating body is ensured, and the overturning is avoided.

[ description of the drawings ]

Fig. 1 is a perspective assembly view of the electrical connector of the present invention.

Fig. 2 is a perspective assembly view of fig. 1 viewed from another direction.

Fig. 3 is a perspective view of the electrical connector removal housing of the present invention.

Fig. 4 is a partially exploded perspective view of the electrical connector of the present invention.

Fig. 5 is a partially exploded perspective view of fig. 5 viewed from another direction.

Fig. 6 is an exploded perspective view of the electrical connector of the present invention.

Fig. 7 is an exploded perspective view of fig. 6 viewed from another direction.

Fig. 8 is a cross-sectional view of the electrical connector of the present invention taken along line a-a of fig. 1.

[ description of main reference symbols ]

Electric connector 100 insulation body 1

Flow hole 10 first insulation body 11

First gap 110 and first base 111

The first tongue plate 112 has a bump 114

First rear end 115 abutment block 116

Diversion hole 117 second insulation body 12

Second notch 120 second base 121

Protrusion 123 of second tongue plate 122

Third insulating body 13 of clamping block 124

Conductive terminal 2 first terminal 21

First contact portion 211 and first holding portion 212

First weld 213 first strap 214

Second contact portion 221 of second terminal 22

Second holding portion 222 and second welding portion 223

Second lap joint part 224 grounding strip 3

Brim 30 body 31

Perforated 311 connection block 312

Positioning part 33 of side wing 32

Fixing part 331 and supporting part 332

The abutting portion 333 shields the case 4

Annular portion 40 top wall 41

Bottom wall 42 of convex hull 410

Side wall 43 fixing leg 44

Boss 441 clamping portion 45

Stop wall 46 of containing part 450

First shielding part 51 of metal case 5

The second shielding portion 52 has an opening 521

Second elastic arm 522 third shielding part 53

First elastic arm 54 glue wall 6

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

[ detailed description ] embodiments

Hereinafter, an embodiment of the electrical connector 100 of the present invention will be described with reference to fig. 1 to 8. The port where the electrical connector 100 is plugged with a mating connector is defined as a plugging end, and the contact portion of the electrical connector 100 and the mating connector is defined as a mating portion. Defining a docking direction, a transverse direction perpendicular to the docking direction, and an up-down direction perpendicular to both the docking direction and the transverse direction.

Referring to fig. 1 to 6, an electrical connector 100 of the present invention includes an insulative housing 1, a conductive terminal 2 held in the insulative housing 1, a ground plate 3 mounted in the insulative housing 1, and a shielding shell 4 covering the insulative housing 1 and forming a receiving cavity.

Referring to fig. 5 to 6, the insulation body 1 includes a first insulation body 11, a second insulation body 12 and a third insulation body 13 stacked up and down. 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 gap 110. A lug 114 is projected downwards from the front end of the lower surface of the first tongue plate 112. The first base 111 has a first rear end 115 extending rearward and an abutment block 116 extending outward. Referring to fig. 3, a flow guide hole 117 for accommodating glue is formed at the top of the rear end of the first base 111. 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 plate 122 is provided with a protrusion 123 and a holding block 124 extending downward from the front end. The holding block 124 is abutted against the front end of the first tongue plate 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 housing 1, and includes a first terminal 21 fixed on the first insulating housing 11 and a second terminal 22 fixed on the second insulating housing 12. The first terminal 21 includes a first contact portion 211 exposed on the upper surface of the first tongue plate 112, a first holding portion 212 exposed on the first notch 110, and a first soldering portion 213 horizontally extending from the bottom of the first rear end portion 115 of the first insulating body 11. The second terminal 22 includes a second contact portion 221 exposed on the lower surface of the second tongue plate 122, a second holding portion 222 exposed on the second notch 120, and a second soldering portion 223 extending from the rear end of the second base 121 of the second insulating body 12. The outer surface of the first contact portion 211 exposed out of the upper surface of the first tongue plate 112 is flush with the upper surface of the first tongue plate 112, and the outer surface of the second contact portion 221 exposed out of the lower surface of the second tongue plate 122 is flush with the lower surface of the second tongue plate 122.

The first terminals 21 and the second terminals 22 are symmetrically distributed along a central axis extending in the front-rear direction, and respectively include four power terminals protruding forward and eight signal terminals located at later positions. Two power terminals on either side are used for ground, while two power terminals in the middle are used to provide power. The eight signal terminals at the later positions comprise four high-speed differential signal terminals at two sides of a row, two low-speed differential signal terminals at the center and two control terminals at two sides of a pair of differential signal terminals in the row. The first contact portion 211 of the first terminal 21 and the second contact portion 221 of the second terminal 22 are vertically disposed in correspondence, and the first soldering portion 213 of the first terminal 21 and the second soldering portion 223 of the second terminal 22 are respectively located on the same plane. Therefore, the first contact portion 211 and the second contact portion 221 of the electrical connector 100 can be electrically connected with the corresponding contact portions of the mating connector in a correct and aligned manner regardless of the forward or reverse insertion of the mating connector.

Referring to fig. 5 and 6, the first holding portion 212 of the ground terminal of the outermost first terminal 21 is provided with a first bridging portion 214 bent downward and extending inward. The second holding portion 222 of the ground terminal of the outermost second terminal 22 is provided with a second bridging portion 224 bent upward and extending inward.

The grounding plate 3 includes a main body 31 extending horizontally and clamped between the first insulating body 11 and the second insulating body 12, side wings 32 extending vertically from two sides of the main body 31, and a positioning portion 33 disposed at the rear end. The main body 31 has edge portions 30 on both sides of the front end thereof, which are exposed from the insulating main body 1. The main body 31 has a through hole 311 hollowed to receive the protrusion 123 of the second insulating housing 12 and connection blocks 312 protruding outward from both sides of the upper and lower surfaces to be received in the first notch 110 and the second notch 120. The first engaging portion 214 of the first holding portion 212 of the first terminal 21 engages with the connecting block 312 on the lower surface of the grounding plate 3, and the second engaging portion 224 of the second holding portion 222 of the second terminal 22 engages with the connecting block 312 on the upper surface of the grounding plate 3, so that the grounding terminal of the first terminal 21 and the grounding terminal of the second terminal 22 are electrically connected. The side wings 32 are disposed on both sides of the first base 111 and the second base 121. The positioning portion 33 includes a fixing portion 331 extending vertically, a supporting portion 332 extending horizontally outward from the fixing portion 331, and an abutting portion 333 extending horizontally inward from the fixing portion 331. A flow hole 10 is formed between the fixing portion 331, the abutting portion 333 and the first rear end portion 115 of the insulating body 1, so that the glue flows to form a glue wall 6.

Referring to fig. 1 to 7, the shielding shell 4 includes a top wall 41 and a bottom wall 42 opposite to each other, and a pair of side walls 43 connecting the top wall 41 and the bottom wall 42. Referring to fig. 6, the shielding shell 4 has a ring portion 40 at the front end, and the ring portion 40 is longer than the top wall 41 and the bottom wall 42 in the up-down direction. The shielding shell 4 has a plurality of protrusions 410 protruding inward from the top wall 41 and the bottom wall 42, and the protrusions 410 are in interference contact with the mating connector for grounding. The side wall 43 is provided with a fixing leg 44 which extends outwards and is bent downwards. The front end of the fixing leg 44 is provided with a downward protruding boss 441, and the boss 441 can be positioned on the circuit board to prevent the electrical connector 100 from turning over. The pair of side walls 43 have a pair of clamping portions 45 at rear ends thereof, which are spaced apart from each other in the vertical direction to form a receiving portion 450. The supporting portion 332 of the grounding strip 3 is vertically received and fixed in the receiving portion 450 between the pair of clamping portions 45, and is welded and fixed, the fixing portion 331 of the grounding strip 3 abuts against the inner side of the clamping portions 45, and the abutting portion 333 of the grounding strip 3 is fixed on the abutting block 116 of the insulating body 1 in an overlapping manner, so that the grounding strip and the shielding shell 4 are positioned in the transverse direction and the vertical direction, the alignment degree of the first tongue plate 112 and the second tongue plate 122 of the insulating body 1 is ensured, and the turnover is avoided. The front end of the shield case 4 is substantially cylindrical, and the rear end thereof is substantially rectangular. The first rear end 115 of the insulating body 1 is flush with the rear end opening of the shielding shell 4. The shielding shell 4 has a stop wall 46 disposed in the inner cavity, and in the present design, the stop wall 46 is disposed at the junction of the front end portion and the rear end portion of the shielding shell 4. The stop wall 46 reduces the size of the rear end 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 are stopped at the rear end of the stop wall 46. The mating portion includes the first tongue plate 112 and the second tongue plate 122 of the insulating housing 1, the main body portion 31 of the ground plate 3, the first contact portion 211 and the second contact portion 221 of the conductive terminal 2, and a portion of the third insulating housing 13. The abutting portion partially exposes the front port of the shield case 4.

Referring to fig. 5 to 6, the metal housing 5 includes a first shielding portion 51 extending in a horizontal direction, a second shielding portion 52 extending upward from the first shielding portion 51, a third shielding portion 53 bending downward from a rear end of the first shielding portion 51, and first elastic arms 54 bending downward from two 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, the third shielding portion 53 shields the rear end of the first rear end portion 115 of the insulating body 1 and is attached to the rear end of the shielding shell 4, and the first elastic arm 54 is clamped outside the clamping portion 45 of the shielding shell 4. The second blocking portion 52 has an opening 521 formed at a middle portion thereof and a second elastic arm 522 disposed at the opening 521. The second elastic arm 522 abuts against the rear end of the glue wall 6.

Referring to fig. 2, the electrical connector 100 further includes a glue wall 6 sealed at the rear end of the insulating housing 1. The glue wall 6 is filled with glue through the flow hole 10 and the flow guide hole 117 of the insulation body 1, so as to fill the gap between the first base 111 and the second base 121 of the insulation body 1 and the shielding shell 4, thereby fully achieving the waterproof effect.

The above description is only a part of the embodiments of the present invention, and not all embodiments, and any equivalent variations of the technical solutions of the present invention, which are made by those skilled in the art through reading the present specification, are covered by the claims of the present invention.

Claims

1. An electric connector comprises an insulating body, a plurality of conductive terminals fixed on the insulating body, a grounding sheet arranged inside the insulating body and a shielding shell sleeved outside the insulating body, and is characterized in that: the rear end both sides of grounding piece extend horizontally respectively the shield casing forms the supporting part, the rear end of the both sides wall of shield casing extends horizontally respectively and is formed with the perpendicular to a pair of platelike clamping part of lateral wall, the clamping part transversely extends and surpasss the lateral wall of shield casing is equipped with between every pair of clamping part and accepts the portion of holding of supporting part, the grounding piece rear end is equipped with the pair of fixed part that extends formation in upper and lower direction, the supporting part certainly the fixed part is to the outside horizontal extension formation, a pair of fixed part is adjacent to be established a pair of supporting part inboard and support and hold in the clamping part inboard.

2. The electrical connector of claim 1, wherein: the clamping part is welded and fixed between the pair of supporting parts in the vertical direction.

3. The electrical connector of claim 1, wherein: the grounding piece is further provided with a pair of abutting parts formed by inwards extending from the fixing parts, the insulating body is provided with a pair of abutting blocks formed by laterally extending from two sides of the insulating body, and the abutting parts are respectively abutted and fixed on the abutting blocks.

4. The electrical connector of claim 1, wherein: the electric connector further comprises a metal shell, the metal shell is provided with a first shielding part which horizontally covers the rear end of the insulating body, a pair of first elastic arms extending along the butt joint direction are arranged on two sides of the first shielding part, and the first elastic arms surround the clamping part and enable the free ends of the first elastic arms to be buckled and held at the front end of the clamping part.

5. The electrical connector of claim 4, wherein: the electric connector further comprises a glue wall, the metal shell is provided with a second shielding part which extends in the vertical direction and covers the back of the glue wall, and the second shielding part is separated from the second shielding part and abutted against a second elastic arm at the back end of the glue wall.

6. The electrical connector of claim 5, wherein: the insulation body comprises a first insulation body and a second insulation body which are arranged from top to bottom, the first insulation body is provided with a first base and a first rear end portion formed by extending the first base backwards, the second insulation body is provided with a second base, the second shielding portion shields the rear end of the second base, and the metal shell is further provided with a third shielding portion extending downwards from the first shielding portion to shield the rear end of the first rear end portion.

7. The electrical connector of claim 6, wherein: the first rear end part is provided with a plurality of flow guide openings allowing glue to flow to form the glue wall, and the rear ends of the grounding piece and the insulating body are provided with a plurality of flow holes accommodating glue flow.

8. The electrical connector of claim 1, wherein: the insulating body is provided with a tongue plate butted with the butting connector, the tongue plate protrudes forwards from the shielding shell, the shielding shell is provided with a plurality of convex hulls which protrude inwards to be in interference contact with the butting connector, and bosses which extend to the front end surface of the shielding shell to prevent the electric connector from rotating are arranged on two sides of the shielding shell.