TWI525948B - Electrical connector and assembly of the same - Google Patents

Description

Electrical connector and combination thereof

The present invention relates to an electrical connector and a combination thereof, and more particularly to an electrical connector and an improved combination thereof.

Taiwan Patent Publication No. M367498 discloses an electrical connector including an insulative housing, a plurality of ESATA conductive terminals, a plurality of USB conductive terminals, and a grounding strip, wherein the insulative housing is provided with a forwardly extending docking chamber and along the first direction a tongue extending into the docking chamber, the tongue having a first surface and a second surface opposite to each other, the ESATA conductive terminal including a contact portion disposed on the first surface of the tongue, the USB conductive terminal including a second surface disposed on the tongue The contact portion, the grounding piece is disposed between the first surface and the second surface of the tongue plate, and is separated by the tongue plate and is not in contact with the ESATA conductive terminal or the USB conductive terminal, and the grounding plate is disposed to effectively prevent the conductive terminal Electromagnetic interference. However, with the development of high-frequency transmission, signal interference between terminals has become increasingly serious.

Therefore, it is hoped that a new scheme will be proposed to improve the above problems.

It is an object of the present invention to provide an electrical connector and combinations thereof that are superior to EMI.

In order to achieve the foregoing object, the present invention provides an electrical connector including an insulative housing, a conductive terminal fixed to the insulative housing, and a grounding strip extending in a longitudinal direction and including a base and a front portion from the base Extended butt joint The insulating body is respectively provided with a first terminal receiving groove and a second terminal receiving groove which are in communication with the mating cavity, and the conductive terminals are respectively received in the first and second terminal receiving slots. The first terminal and the second terminal, the first terminal and the second terminal comprise a contact portion protruding into the mating cavity, the grounding piece is located between the first and second terminals and is convexly disposed in the docking cavity Abutment.

To achieve the foregoing objective, the present invention provides another technical solution: an electrical connector assembly including a first connector and a second connector that interfaces with the first connector, the first connector including an insulative housing, fixed The conductive body and the grounding piece of the insulating body, the insulating body is provided with a longitudinal butting cavity, the docking cavity extends forwardly through the front end surface and the inner bottom surface facing the front end surface, and the conductive terminals are arranged along the longitudinal direction and include a protruding pair a contact portion of the cavity and a soldering portion extending from the insulative housing, the second connector has an electrically conductive abutting portion, the abutting portion is configured to be inserted into the mating cavity, and the grounding piece is disposed in the insulating body and includes an abutting portion on the inner bottom surface of the mating cavity .

Compared with the prior art, the invention has the following effects: the grounding piece is electrically conductive at the abutting portion of the mating cavity and the abutting portion of the mating connector, so that a good grounding loop is formed between the two, and the anti-EMI effect is good.

100‧‧‧Electrical connector, first connector

200‧‧‧Dock connector, second connector

1‧‧‧Insulating body

11‧‧‧ docking chamber

110‧‧‧Interface

12‧‧‧First terminal receiving slot

13‧‧‧Second terminal receiving slot

14‧‧‧ base

140‧‧‧ front end

15‧‧‧Connecting arm

151‧‧‧ first recess

2‧‧‧Electrical terminals

21‧‧‧First terminal

211‧‧‧First Holding Department

212‧‧‧Contacts

213‧‧‧Weld Department

22‧‧‧second terminal

221‧‧‧Second Holding Department

222‧‧‧Contacts

223‧‧‧Welding Department

3‧‧‧ Grounding piece

31‧‧‧Apartment

32‧‧‧ Main body

33‧‧‧ head

34‧‧‧Bending

35‧‧‧Knockout Department

36‧‧‧welding feet

4‧‧‧First shielding shell

41‧‧‧Second recess

5‧‧‧Second shielding shell

The first figure is a perspective view of the electrical connector assembly of the present invention; the second figure is an exploded perspective view of the first connector shown in the first figure; the third figure is the grounding piece of the first connector shown in the first figure and the first The second terminal is assembled after the state diagram; the fourth diagram is a perspective view of the grounding piece of the first connector shown in the first figure; and the fifth figure is the first connector and the second connector shown in the first figure. Sectional view Figure.

Referring to the first figure, the present invention provides an electrical connector assembly excellent in anti-EMI effect, the electrical connector assembly including a first connector (or defined as an electrical connector) 100 and a second connector that are butted to each other. (or defined as a docking connector) 200, the first connector 100 is provided with a longitudinally long butt cavity 11 extending in the longitudinal direction, and the second connector 200 is provided with a metal casing 201 inserted into the docking cavity The abutting portion 202 is a conductive structure.

Referring to the second figure, the first connector 100 includes an insulative housing 1, a conductive terminal 2 fixed to the insulative housing, and a grounding strip 3. The insulative housing 1 includes a base portion 14 and a front end surface 140 from the base portion respectively facing forwardly Two longitudinal side walls are provided and two end walls connecting the two side walls, and the four walls are surrounded to form a mating cavity 11 for the second connector to be inserted. The first and second terminal receiving slots 12 and 13 are respectively disposed on the opposite side walls of the insulative housing 11 and the first terminal receiving slots 12 and 13 respectively communicating with the mating cavity 11 . The first and second terminals 21 and 22 are respectively arranged in the longitudinal direction of the first and second terminal receiving slots 12 and 13 respectively. The first and second terminals are respectively located at two sides of the mating cavity 11, and the first and second terminals 21 and 22 include contact portions 212 and 222 protruding into the mating cavity 11 and firstly fixed to the base portion 14, respectively. The holding portion 211 and the second holding portion 221 . The grounding strip 3 is located between the first and second terminals 21 and 22 and is convexly disposed in the mating cavity 11 for abutting against the abutting portion 202 of the second connector 200 during docking. In conjunction with the fifth figure, the base portion 14 of the insulative housing is provided with an inner bottom surface that is exposed to the mating cavity 11.

In conjunction with the third figure, the grounding strip 3 is fixed to the base 14 of the insulative housing and is located at the first Between the second holding portions 211 and 221, the first and second terminals 21 and 22 are bent and extended from the ends of the holding portions 211 and 221 with respect to the contact portions 212 and 221, respectively, to form a projection protruding from the insulating body 1. The legs 213, 223 are used to solder the first connector 100 to a circuit board (not shown).

Referring to the second figure, the first connector 100 further includes a first shielding shell 4 and a second shielding shell 5 covering the insulative housing 1 , and the first shielding housing 4 and the second shielding housing 5 Each of the two ends of the insulative housing 1 protrudes outwardly from a connecting arm 15 , and the connecting arm 15 is provided with a first recessed hole 151 extending through the connecting arm, the first shielding The housing is provided with a second recess 41 corresponding to the first recess 151.

In addition, the front end of the mating cavity 11 is formed with an interposer 110. In conjunction with the fifth figure, the length of the mating cavity 11 in the longitudinal direction is gradually reduced along the insertion direction from the interposer 110, that is, the docking cavity 11 is A structure that gradually increases forward. The mating cavity 11 extends forwardly through the front end surface and has an inner bottom surface facing the front end surface. The shape of the abutting portion 202 formed by the metal casing 201 is substantially the same as the shape of the mating cavity 11 of the first connector 100.

Referring to the fourth figure, the grounding piece 3 has an L-shaped structure, and includes a flat body portion 32, a vertical head 33 bent from an end of the main body portion 32 adjacent to the mating cavity 11 and facing the docking cavity, and an autonomous The body portion 32 extends from the other end of the head portion 33 with a plurality of soldering legs 36 of the insulative housing 1. The body portion 32 is fixed to the base portion 14 of the insulative housing, and the head portion 33 is provided with an elastic force extending into the mating cavity 11. In the embodiment, the elastic abutting pieces are arranged in a row in the longitudinal direction and the extending directions of the elastic pieces are the same, and the elastic abutting piece forms the abutting portion 31. Of course, in other embodiments, The direction in which the shrapnel extends can be determined according to specific requirements. In conjunction with the fifth figure, the grounding strip 3 is disposed in the insulative housing 1 and includes an abutting portion 31 on the inner bottom surface of the mating cavity 11 when When the second connector 200 is butted, the abutting portion 31 is buffered toward the head side by the pressing force.

In conjunction with the third figure, the head portion 33 of the grounding strip 3 is retracted into the contact portions 212, 222 of the first and second terminals, and is arranged from the head portion 33 of the grounding strip 3 in the longitudinal direction toward the mating cavity 11 The plurality of abutting portions 31 have the same length as the main body portion 32 and the head portion 33 in the longitudinal direction, and the lengths of the main body portion 32 and the head portion 33 and the first and second terminals 21 and 22 in the longitudinal direction are also substantially the same.

Further, two bent portions 34 are formed between the main body portion 32 and the head portion of the grounding piece 3, and the two bent portions 34 are connected to both end sides of the main body portion 32 and the head portion 33 in the longitudinal direction. The bent portion 34 is higher than the main body portion 32, and the main body portion 32, the head portion 33 and the two bent portions 34 of the grounding piece 3 are formed with a vertically long hollow portion 35, and the hollow portion 35 is embedded in the insulating body. The base portion 14 and the head portion 33 are located in the aforementioned mating cavity 11, and the hollow portion 35 is designed to give way to the mold when the abutment piece 3 is formed by press forming.

In summary, the arrangement of the grounding strip 3 and its cooperation with the metal casing 201 of the second connector 200 not only prevent signal interference between the first and second terminals 21, 22, but also when the two docking connectors are docked. A good ground loop is formed, which has better anti-EMI effect.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the foregoing embodiments, and those skilled in the art will be able to make equivalent modifications or changes in accordance with the spirit of the present invention. It should be covered by the following patent application.

14‧‧‧ base

140‧‧‧ front end

31‧‧‧Apartment

33‧‧‧ head

201‧‧‧Metal casing

Claims (10)

An electrical connector includes: an insulative housing extending in a longitudinal direction and including a base portion and a mating cavity extending forwardly from the base portion, the insulating body being respectively disposed on the opposite side walls of the mating cavity and being respectively connected to the docking cavity a first terminal accommodating groove and a second terminal accommodating groove; the conductive terminal is fixed to the insulating body, and the conductive terminal includes a first terminal and a first terminal respectively corresponding to the first and second terminal accommodating grooves a second terminal, the first terminal and the second terminal comprise a contact portion protruding into the mating cavity; and a grounding piece; wherein the grounding piece is located between the first and second terminals and protrudes from the abutting portion in the mating cavity The abutting portion is elastically deformable in the front-rear direction. The electrical connector of claim 1, wherein the first and second terminals are respectively provided with a first holding portion and a second holding portion respectively fixed to the base, and the grounding piece is fixed to the base and located at the first Between the second holding portions. The electrical connector of claim 2, wherein the grounding piece comprises a flat body portion and a vertical head bent from an end of the main body portion adjacent to the mating cavity and facing the docking cavity, the main body portion being fixed The base portion is provided with an elastic abutting piece extending from the head into the docking chamber, and the elastic abutting piece forms the abutting portion. The electrical connector of claim 3, wherein the grounding piece has two bent portions formed between the main body portion and the head portion, and the two bent portions are respectively connected to the main body portion and the head portion in the longitudinal direction. The two ends of the grounding piece, the main body portion of the grounding piece, the head portion and the two bent portions are formed with an elongated hollow portion, and the hollow portion is embedded in the base portion of the insulating body, and the head portion is located in the mating cavity. An electrical connector assembly comprising: a first connector, the first connector includes: an insulative housing, the insulative housing is provided with an elongated mating cavity, the mating cavity extends forwardly through the front end surface and has an inner bottom surface facing the front end surface; the conductive terminal is fixed to In the insulative housing, the conductive terminals are arranged in the longitudinal direction and include a contact portion protruding into the receiving cavity and a soldering portion extending from the insulative housing; and a grounding piece; the second connector is mated with the first connector; The second connector has an electrically conductive abutting portion, and the abutting portion is configured to be inserted into the mating cavity; wherein the grounding piece is disposed in the insulating body and includes an abutting portion on the inner bottom surface of the mating cavity, and the abutting portion can be in the front-rear direction The elastic deformation is such that when the first and second connectors are butted, the abutting portion abuts against the outer surface of the abutting portion. The electrical connector assembly of claim 5, wherein the insulative housing comprises a base, the conductive terminal comprises a first terminal and a second terminal arranged on opposite sides of the mating cavity, and the first and second terminals are respectively fixed to The first holding portion and the second holding portion of the base are fixed to the base portion and located between the first and second holding portions. The electrical connector assembly of claim 6, wherein the grounding piece comprises a flat body portion and a head extending from the body portion into the docking chamber, the body portion being fixed to the base, and the head portion is provided An elastic abutting piece extending into the docking chamber, the elastic abutting piece forming the abutting portion. The electrical connector assembly of claim 7, wherein the elastic abutting pieces are arranged in a row in the longitudinal direction and the elastic abutting pieces extend in the same direction. The electrical connector assembly of claim 8, wherein the body portion and the head portion of the grounding piece are connected by a bent portion at both ends, and the bent portion is higher than the body portion. The electrical connector assembly of claim 5, wherein the docking chamber has a structure that gradually increases forward.