TWM515720U - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector having a good anti-EMI effect.

With the development of technology, electrical connectors for transmitting high-frequency signals and having anti-EMI effects have become very popular. One of the electrical connectors includes a casing formed of a plastic material and two terminal modules disposed in the casing. And mask sheets. The outer casing is directly injection molded on the terminal module to form an abutting portion, and the abutting portion has opposite abutting faces, and each of the terminal modules includes a conductive terminal whose contact portion is exposed to the abutting surface and an insulating block which is formed on the conductive terminal. The mask sheet is disposed between the two terminal modules and is spaced apart by the insulating block without contacting the conductive terminals, so that the arrangement of the mask sheet effectively prevents electromagnetic interference of the conductive terminals. However, with the development of high frequency transmission, signal interference between terminals has become increasingly serious.

Therefore, it is indeed necessary to provide an electrical connector having an improved structure to overcome the above drawbacks.

The main purpose of this creation is to provide an electrical connector that is structurally stable and has a good electromagnetic shielding effect.

In order to achieve the above object, the present invention adopts the following technical solution: an electrical connector including an insulative housing and a terminal assembly disposed in the insulative housing. The terminal assembly includes a first terminal module and a second terminal module that are disposed separately from each other, a mask sheet between the first terminal module and the second terminal module, and are respectively assembled to the first and second terminal molds. The first shielding body and the second shielding body of the upper and lower sides of the group. The mask sheet is simultaneously connected to the first and second shielding bodies.

Compared with the prior art, the mask piece of the present electrical connector is simultaneously connected with the first and second shielding bodies for contacting with the grounding component of the mating connector, thereby forming a better mask. effect.

The first figure is a three-dimensional schematic diagram of the present electrical connector.

The second figure is a perspective view of the terminal assembly after the electrical connector is removed from the first embodiment.

The third figure is a schematic view of another angle of the terminal assembly shown in the second figure.

The fourth figure is an exploded view of the terminal assembly shown in the second figure.

The fifth figure is an exploded view of the terminal assembly shown in the third figure.

The specific embodiment of the present electrical connector will be described in detail below with reference to the accompanying drawings.

Referring to the first to third figures, the present disclosure discloses an electrical connector 100 for mounting on a casing of an electronic device and including an insulative housing 1 and being disposed in the insulative housing 1. Terminal assembly 2. The insulative housing 1 is directly formed on the terminal assembly 2 and is provided with a longitudinal base portion 10 and an abutting portion 11 extending from the front end of the base portion 10 in abutting direction. The mating portion 11 is provided with a pair of butt joints on the upper and lower sides. Face 110.

Referring to the fourth and fifth figures, the terminal assembly 2 includes a first terminal module 21 and a second terminal module 22 which are disposed separately from each other. Each of the terminal modules includes a row of conductive terminals 20 and an output. The insulating blocks 210, 220 are formed on the conductive terminals 20 to better secure the conductive terminals 20 together. The conductive terminal 20 includes a connecting portion 201 that is held on the insulating block, a contact portion 202 that extends forward from the connecting portion 201 and is exposed on the mating surface 110, and a tail portion 203 that extends rearward from the connecting portion 201 to the insulating housing 1. The outer surface of the contact portion 202 is flush or coplanar with the abutting surface 110. Of course, in other embodiments, the outer surface of the contact portion 202 can also protrude from the abutting surface 110 of the abutting portion 11 .

The terminal assembly 2 further includes a mask sheet 23 between the first terminal module 21 and the second terminal module 22, and first shielding bodies 24 and second respectively assembled on both sides of the first and second terminal modules. The shielding body 25. The mask sheet 23 includes an elongated main body portion 230, a pair of protruding portions 231 projecting outward from both sides of the main body portion 230, and an extending portion 232 extending rearward from a rear end of the main body portion 230. First, the mask piece 23 is mounted on the first terminal module 21, and is engaged with the fixing post 212 provided on the insulating block 210 of the first terminal module 21 through the fastening hole provided on the main body portion 230, thereby being fixed at the first The second terminal module 22 is assembled on the other side of the mask piece 23, and the fixing post 222 disposed on the insulating block 220 of the second terminal module 22 passes through the buckle of the main body portion 230. The holding hole is engaged with the insulating block 210 of the first terminal module 21 such that the mask piece 23 is located between the two terminal modules. The main body portion 230 is located between the contact portions 202 of the two rows of the conductive terminals 20, and the protruding portion 231 of the mask sheet 23 extends beyond the two sides of the first and second terminal modules along the longitudinal sides. After the electrical connector 100 is injection molded, the main body portion 230 of the mask piece 23 exposes the front end surface and the two side surfaces of the abutting portion 11 and protrudes outwardly from the front end surface of the abutting portion 11 and both sides by about 0.05 mm to facilitate the The cover sheet 23 is overlapped with the grounding member of the mating connector to form a better masking effect.

The first shielding body 24 includes an elongated first base portion 240, a first soldering portion 241 bent from both sides of the first base portion 240, and a first shielding portion 242 extending from the front end of the first base portion 240 in the mating direction. . The first shielding body 24 is mounted on the outer surface of the first terminal module 21, and is engaged with the fixing post 211 provided on the insulating block 210 of the first terminal module 21 through the fastening hole provided on the first base portion 240 to be fixed. On the first terminal module 21, the first soldering portion 241 is soldered to the protruding portion 231 of the mask sheet 23 by soldering or spot welding. The structure of the second shielding body 25 is similar to that of the first shielding body 24 and includes a second base portion 250 that is elongated, a second welded portion 251 that is bent and extended from both sides of the second base portion 250, and a front end that is bent from the second base portion 250. a second shielding portion 252 extending in the butting direction. The second shielding body 25 is mounted on the outer surface of the second terminal module 22, and is engaged with the fixing post 221 provided on the insulating block 220 of the second terminal module 22 through the fastening hole provided on the second base portion 250 to be fixed. On the second terminal module 22, the second soldering portion 251 is soldered to the protruding portion 231 of the mask sheet 23 by soldering or spot welding. The first and second shielding portions are respectively located on both sides of the protruding portion 231 of the mask piece 23, and the second shielding body 25 further includes an annular grounding portion 253 which is bent and extends from the second welding portion 251 perpendicularly to the mating direction. After the electrical connector 100 is injection molded, the first and second shielding portions are respectively exposed to the two abutting faces 110 of the abutting portion 11 for contacting with the grounding member of the mating connector, thereby forming a better masking effect. .

The terminal assembly 2 further has a grounding strip 223 assembled on the rear side of the second terminal module 22. The grounding strip 223 is overlapped on the tail portion 203 of the grounding terminal of the second terminal module 22, and the length of the grounding strip 223 is two. The end is welded to the extension 232 of the mask sheet 23. The arrangement of the metal members 3 facilitates reducing signal interference between the two rows of conductive terminals 21, thereby improving the electrical performance of the electrical connector 100. The main body portion 230 of the mask piece 23 exposes the front end surface and the two side surfaces of the abutting portion 11, and the first shielding portion 241 and the second shielding portion 251 are exposed to the two abutting faces 110 of the abutting portion 11 at the electrical connector 100 and When the mating connector is mated, it contacts the contact of the mating connector, thereby eliminating static electricity and further improving the electrical performance of the electrical connector 100. At the same time, when the electrical connector 100 is assembled to the electronic device, the grounding portion 253 of the second shielding body 25 can be short-circuited with the casing of the electronic device by riveting, and the electrical performance of the electrical connector 100 is further improved.

As can be seen from the above description, the manufacturing method of the electrical connector 100 of the present embodiment may take the following steps:

Two rows of conductive terminals 20 are provided, and the insulating blocks 210 and 220 are respectively formed on the two rows of conductive terminals 20 to form a first terminal module 21 and a second terminal module 22, and the conductive terminals in each of the terminal modules 20 are provided with a contact portion 201 exposing the insulating block;

A mask sheet 23 is provided. The mask sheet 23 is provided with a main body portion 231, a protruding portion 231 protruding outward from both sides of the main body portion 230, and an extending portion 232 extending rearward from the main body portion 230 to assemble the mask sheet 23. On the first terminal module 21, the first and second terminal modules are assembled together, such that the main body portion 230 of the mask piece 23 is located between the two terminal modules, and the protruding portion 231 extends beyond the insulating block;

The first shielding body 24 and the second shielding body 25 are provided, and the first shielding body 24 and the second shielding body 25 are respectively assembled on the outer side of the first and second terminal modules, and the first shielding body 24 is first The welded portion 241 and the second welded portion 251 of the second shielding body 25 are respectively welded to both sides of the protruding portion 231 of the mask sheet 23;

a grounding strip 223 is provided, the grounding strip 223 is overlapped with the grounding terminal of the second terminal module 22, and the longitudinal ends thereof are soldered to the extending portion 232 of the mask sheet 23, thereby forming the terminal assembly 2;

Forming the insulative housing 1 directly on the terminal assembly 2, the insulative housing 1 is provided with an abutting portion 11 extending in the front-rear direction, and the abutting portion 11 is provided with abutting faces 110 on both sides in the up and down direction, the two The contact portions 201 of the two rows of conductive terminals 20 in the terminal modules are respectively exposed to the two abutting faces 110 of the insulating housing 1. The method of manufacturing the electrical connector 100 allows the electrical connector 100 to have a good anti-electromagnetic interference effect.

In summary, this creation is in line with the new patent requirements, 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 above embodiments, and those who are familiar with the skill of the present invention are equivalent to the equivalent modifications or changes made by the spirit of the present creation. It should be covered by the following patent application.

100‧‧‧Electrical connector

1‧‧‧Insulated housing

10‧‧‧ base

11‧‧‧Docking Department

110‧‧‧ docking

2‧‧‧Terminal components

20‧‧‧Electrical terminals

201‧‧‧Connecting Department

202‧‧‧Contacts

203‧‧‧ tail

21‧‧‧First Terminal Module

210‧‧‧Insulation block

211, 212‧‧‧ fixed column

22‧‧‧Second terminal module

220‧‧‧Insulation block

221, 222‧‧‧ fixed column

223‧‧‧ Grounding strip

23‧‧‧ Mask

230‧‧‧ Main body

231‧‧‧Protruding

232‧‧‧Extension

24‧‧‧First screening

240‧‧‧ first base

241‧‧‧First Welding Department

242‧‧‧The first shelter

25‧‧‧Second screening

250‧‧‧Second Base

251‧‧‧Second welding department

252‧‧‧Second shelter

253‧‧‧ Grounding Department

2‧‧‧Terminal components

21‧‧‧First Terminal Module

211‧‧‧ fixed column

23‧‧‧ Mask

231‧‧‧Protruding

24‧‧‧First screening

241‧‧‧First Welding Department

253‧‧‧ Grounding Department

Claims (10)

An electrical connector comprising:
Insulating housing
The terminal assembly is disposed in the insulative housing and includes a first terminal module and a second terminal module that are separately disposed above and below, and a mask piece between the first terminal module and the second terminal module, and are respectively assembled in the first a first shielding body and a second shielding body on the upper and lower sides of the second terminal module;
Wherein, the mask sheet is simultaneously connected with the first and second shielding bodies. The electrical connector of claim 1, wherein the mask sheet comprises a longitudinal body portion, a protrusion protruding outward from both sides of the body portion; the first shielding body comprises a first holding body a first base portion on the outer side of the terminal module and a first soldering portion extending from both sides of the first base portion; the second shielding body includes a second base portion fixed on the outer side of the second terminal module and two sides from the second base portion a second welded portion that is bent and extended; the first welded portion and the second welded portion are respectively welded to both sides of the protruding portion of the mask piece. The electrical connector of claim 2, wherein the insulative housing is directly injection molded on the terminal assembly and is provided with a longitudinal base portion and an abutting portion extending from the front end of the base portion in a mating direction, the butt portion Providing a pair of abutting faces on the upper and lower sides, the protruding portion of the mask piece extending in the longitudinal direction beyond the two ends of the first and second terminal modules, wherein the first and second soldering portions are respectively located on the mask sheet Both sides of the protrusion. The electrical connector of claim 3, wherein the body portion of the mask sheet exposes a front end surface and both side surfaces of the abutting portion and protrudes outwardly from the front end surface of the abutting portion and both sides by 0.05 mm. The electrical connector of claim 3, wherein the first shielding body comprises a first shielding portion extending from a front end of the first base portion in a mating direction, and the second shielding body comprises a second shielding portion The second shielding portion of the front end extending in the mating direction, the first shielding portion and the second shielding portion are respectively exposed to the two abutting faces of the abutting portion. The electrical connector of claim 2, wherein the first terminal module and the second terminal module each comprise a row of conductive terminals and an insulating block that is formed on the conductive terminals, the mask sheet The main body portion is located between the first terminal module and the insulating block of the second terminal module. The electrical connector of claim 6, wherein the body portion of the mask piece is provided with a fastening hole, and the insulating blocks of the first terminal module and the second terminal module are respectively provided with a fixing column. The fixing post passes through the corresponding fastening hole and is fastened to the mask piece. The electrical connector of claim 6, wherein the conductive terminal comprises a connecting portion fixed on the insulating block, a contact portion extending forward from the connecting portion and exposed on the mating surface, and extending backward from the connecting portion Out of the tail of the insulative housing, the outer surface of the contact portion is flush or coplanar with the mating surface. The electrical connector of claim 2, wherein the second shielding body further comprises an annular ground portion extending from the second welding portion and extending perpendicularly to the mating direction. The electrical connector of claim 2, wherein the mask sheet comprises an extension extending rearward from a rear end of the main body portion, and the terminal assembly further has a rear side assembled to the second terminal module a grounding strip, the grounding strip is overlapped with the second terminal module and the longitudinal ends thereof are soldered to the extension of the mask sheet.