TWM484213U - 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.

Taiwan's new patent publication No. M387405 discloses an electrical connector comprising a first terminal module embedded with a first terminal, a second terminal module embedded with a second terminal, a front body, a metal housing and a grounding piece. The grounding strip is placed between the first and second terminal modules, and the assembled first and second terminal modules and the grounding piece are assembled into the socket portion of the front body, and the side end of the grounding piece is convexly provided. The tabs protrude from the first and second terminal modules and overlap the metal housing. With the development of electronic connectors, a new type of electrical connector has been designed. The conductive housing is made of powder metallurgy technology. In the process of forming the electrical connector, the terminal module and the shielding component are assembled into the conductive housing. And then injected into the plastic material can be made, therefore, puts higher requirements on the assembly difficulty and accuracy of the electrical connector.

The purpose of this creation is to provide an electrical connector that is easy to assemble and has a good shielding effect.

In order to solve the aforementioned problems, the electrical connector of the present invention can adopt the following technical solutions: An electrical connector includes a conductive outer casing, a terminal block and a shield housed in the conductive outer casing, wherein the conductive outer casing is provided with a forwardly extending abutting portion and a receiving cavity recessed from the rear end surface of the conductive outer casing, The abutting portion has a first abutting surface, and the terminal module is fixed in the accommodating cavity and includes a first insulator and a first terminal fixed to the first insulator, the first insulator having opposite first and second faces, the first The terminal has a first contact portion protruding from the first surface of the first insulator, the shield member is disposed in the accommodating cavity and is in contact with the conductive outer casing, the shield member is pressed against the second surface of the first insulator to enable The first contact portion of the first terminal is exposed to the first mating face.

Compared with the prior art, the present invention has the following effects: the shielding member is disposed in the accommodating cavity and is in contact with the conductive outer casing and presses the terminal module, and has the function of blocking the signal interference between the terminal module and the shielding terminal.

100‧‧‧Electrical connector

1‧‧‧Electrical housing

11‧‧‧Docking Department

111‧‧‧First docking surface

12‧‧‧容容

13‧‧‧Gap section

14‧‧‧ Guide column

2‧‧‧Terminal module

2a‧‧‧First terminal module

2b‧‧‧Second terminal module

21‧‧‧First insulator

211‧‧‧ first side

212‧‧‧ second side

22‧‧‧Second insulator

221‧‧‧ third side

222‧‧‧ fourth side

223‧‧‧The first depression

224‧‧‧second depression

225‧‧‧Support surface

227‧‧‧ Ribs

23‧‧‧First terminal

231‧‧‧First contact

24‧‧‧second terminal

241‧‧‧Second contact

25‧‧‧Guide fast

26‧‧‧ Second Limit Department

261‧‧‧second slot

262‧‧‧second rib

3‧‧‧Shield

31‧‧‧Shielding Department

311‧‧‧First Limitation Department

3111‧‧‧first slot

3112‧‧‧First rib

32‧‧‧Flexible arm

321‧‧‧Protruding

33‧‧‧Let the slot

4‧‧‧Plastic materials

The first figure is a three-dimensional combination diagram of the electrical connector of the present invention; the second figure is an exploded view of the electrical connector shown in the first figure; the third figure is the partial structure of the electrical connector shown in the second figure. An exploded perspective view of an angle; a fourth view is a perspective view of the conductive outer casing of the electrical connector shown in the first figure; a fifth view is a cross-sectional view of the electrical connector shown in the first figure along the line VV; The electrical connector shown in the figure is a cross-sectional view taken along line VI-VI; and the seventh diagram is a cross-sectional view of the electrical connector shown in the first figure taken along line VII-VII.

Referring to the first and second figures, the present invention provides an electrical connector 100 including a conductive housing 1, a terminal module 2 housed in the conductive housing 1, and a shield 3, the conductive housing 1 is provided with a forwardly extending abutting portion 11 and a receiving cavity 12 recessed from the rear end surface of the conductive outer casing 1. The abutting portion 11 is symmetrically disposed and has a first abutting surface 111 and a second abutting surface which are oppositely disposed. The module 2 is fixed in the accommodating cavity 12, and the shielding member 3 is disposed in the accommodating cavity 12 and is in contact with the conductive housing 1. The conductive housing 1 is made by powder metallurgy technology. When the terminal module 2 and the shielding member 3 are assembled into the conductive housing 1 and then injected into the plastic material 4, the shielding member 3 functions to press the terminal module 2. effect.

Referring to the second and third figures, the terminal module 2 includes a first insulator 21 and a first terminal 23 that is fixed to the first insulator, that is, the first terminal module 2a is formed, and the first insulator 21 has opposite positions. The first surface 211 and the second surface 212 have a first contact portion 231 protruding from the first surface 211 of the first insulator 21, and the shield 3 is pressed against the second surface 212 of the first insulator 21 The first contact portion 231 of the first terminal 23 is exposed to the first abutting surface 111. The terminal module 2 further includes a second insulator 22 and a second terminal 24 that is fixed to the second insulator 22, that is, the second terminal module 2b is formed. The structure of the second terminal module is substantially the same as that of the first terminal module. The second insulator 22 has a third surface 221 and a fourth surface 222 opposite to each other. The second terminal 24 has a second contact portion 241 protruding from the third surface 221 of the second insulator 22, and the shielding member 3 is located at the first The second surface 222 of the second insulator 22 is further pressed between the terminal 23 and the second terminal 24 to expose the second contact portion 241 of the second terminal 24 to the second abutting surface. The second and fourth faces of the two terminal modules are faces facing inward or the same as each other, and the first and third faces are faces facing outward or being identical to each other.

The second and fourth faces 212, 222 of the first and second insulators 21, 22 which are pressed against the shield member 3 will be described in detail below, and the same reference numerals are used for the same structures. The second and fourth faces are respectively provided with a first recessed portion 223 adjacent to the rear end and a second recessed portion 224 adjacent to the first and second contact portions, and the first and second portions of the second and fourth faces 212, 222 The recessed portions 223 and 224 extend in the longitudinal direction and the second recessed portion 224 penetrates the side surfaces of the second and fourth surfaces 212 and 222 respectively, and the first recessed portion 223 penetrates the rear side of the terminal module, in combination with the fifth figure, After the terminal module is inserted, because of the presence of the first recessed portion 223, there is a certain gap between the shield member 3 and the insulator of the two terminal modules. When the plastic material 4 is subsequently injected, the mold is pressed against the two-terminal module. Play a buffer to give way.

The other portions of the second and fourth faces 212, 222 except the recesses serve as support faces 225, and the second and fourth faces 212, 222 extend ribs 227 at the first and second contact portions, and the ribs 227 are arranged at intervals of the first and second terminals 23, 24, respectively. In combination with the seventh figure, the aforementioned partial rib 227 is long and can abut against the front end of the inner surface of the conductive outer casing 1 to help cushion the impact force when the plastic material 4 is injected.

In the present embodiment, the shielding member 3 is provided with a shielding portion 31 between the first terminal 23 and the second terminal 24. The front end of the shielding portion 31 is thinned, and the shielding member 3 is at the front end of the shielding portion 31. The elastic arm 32 is in contact with the conductive outer casing 1 and the retaining groove 33 is formed between the shielding portion 31 and the elastic arm 32 for being used when the shielding member 3 is assembled into the receiving cavity. In the position, the elastic arm 32 further extends forward to form a hook-shaped protrusion 321 . The front end of the protrusion 321 is bent inwardly and is located at the first and second insulators 21 in combination with the fifth and seventh figures. Between 22 and 22

Further, the two opposite surfaces of the shielding member 3 are respectively provided with a first limiting portion 311 extending forwardly, and the first and second insulators 21 and 22 are respectively disposed on the second and fourth surfaces 212 and 222. There is a second limiting portion 26 corresponding to the first limiting portion 311, and the first limiting portions 311 of the two surfaces are centrally symmetric and respectively cooperate with the second limiting portion. In the embodiment, the first limiting portion 311 includes a first socket 3111 and a protruding surface of the first socket 3111 which are recessed on the surface, and the first slot 3111 is recessed into the surface and Extending forwardly and through the front end edges of the two surfaces, the first rib 3112 protrudes from the two surfaces and extends forward to the edges of the front ends of the two surfaces. The second limiting portion 26 includes a second insertion rib 262 and a second slot 261 which are disposed corresponding to the first slot 3111 of the first limiting portion 311 and the first insertion rib 3112 . Of course, in other embodiments, the first limiting portion 311 and the second limiting portion 26 may have other arrangements. The matching relationship between the shielding member 3 and the first and second terminal modules can better position the terminal module in the accommodating cavity to avoid the offset during the injection molding process. Meanwhile, referring to the seventh figure, the elastic arm 32 The tilting arrangement and the retaining groove 33 can better ensure that the shielding member 3 moves along the inner side of the conductive housing and ensure good contact; the presence of the groove and other channels can be partially inserted into the plastic material. , better fixed terminal module structure.

Referring to the fourth and sixth figures, the conductive housing 1 has an inner surface facing the accommodating cavity 12, and the conductive housing 1 extends horizontally from the inner surface with a guiding post 14 at the accommodating cavity 12, the first The second insulators 21, 22 are respectively provided with guiding blocks 25 corresponding thereto, and the guiding posts 14 are located between the guiding blocks 25 corresponding to the first and second insulators 21, 22 such that the two terminal modules 2a, After the 2b group is placed in the accommodating cavity 12, it is respectively located on the upper and lower sides of the guiding column 14. In combination with the seventh figure, the shielding member 3 assembled into the accommodating cavity 12 is located between the two guiding columns 14.

After the above assembly is completed, the electrical connector is injected into the plastic material 4 to fill the corresponding space, and the first and second abutting faces of the abutting portion 11 are respectively recessed with the notch portion 13 communicating with the accommodating cavity 12, The terminal module 2 is abutted against the inner surface of the abutting portion 11, and the contact portions 231, 241 of the first and second terminals 23, 24 protrude from the two notch portions 13, respectively, and the notch portion 13 is filled with a plastic material. 4. In combination with the fifth figure, the plastic material 4 seals the terminal module such that the plastic material 4 and the first and second mating faces of the mating portion 11 are flush.

In summary, the shielding member 3 is disposed in the accommodating cavity 12 and is in contact with the conductive housing 1 and can be pressed against the terminal module 2. The shielding member 3 is provided with a signal between the pressing terminal module and the two rows of terminals. The role of interference.

In summary, this creation is in line with the new patent requirements, and the patent application is filed according to 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 embodiments, and any equivalent modification or change made by a person familiar with the skill of the present invention in accordance with the spirit of the present invention should be It is covered by the following patent application.

111‧‧‧First docking surface

223‧‧‧The first depression

224‧‧‧second depression

4‧‧‧Plastic materials

Claims (10)

An electrical connector includes: a conductive outer casing having a forwardly extending abutting portion and a receiving cavity recessed from a rear end surface of the conductive outer casing, the butting portion having a first abutting surface; and the terminal module being received in the In the conductive housing, the terminal module is fixed in the accommodating cavity and includes a first insulator and a first terminal fixed to the first insulator, the first insulator has opposite first and second faces, and the first terminal has a first contact portion protruding from the first surface of the first insulator; and a shielding member; wherein the shielding member is disposed in the accommodating cavity and is in contact with the conductive outer casing, and the shielding member is pressed against the first insulating body The two sides are such that the first contact portion of the first terminal is exposed to the first mating surface. The electrical connector of claim 1, wherein the abutting portion has a second abutting surface disposed opposite to the first mating surface, the terminal module further comprising a second insulator and a second insulator a second terminal, the second insulator has a third surface and a fourth surface disposed opposite to each other, the second terminal has a second contact portion protruding from the third surface of the second insulator, the shielding member is located at the first terminal and the second And further pressing between the terminals and the fourth surface of the second insulator to expose the second contact portion of the second terminal to the second mating surface. The electrical connector of claim 2, wherein the shielding member is provided with a shielding portion between the first terminal and the second terminal, the front end of the shielding portion is thinned, and the shielding member is disposed on the shielding portion. An elastic arm extends outwardly from both sides of the front end, and the resilient arm is in contact with the conductive outer casing. The electrical connector of claim 3, wherein a retaining groove is formed between the shielding portion and the elastic arm, and the elastic arm is disposed obliquely rearward. The electrical connector of claim 4, wherein the resilient arm further extends forward to form a hook-like projection, the front end of the projection being located between the first and second insulators. The electrical connector of claim 3, wherein the opposite surfaces of the shielding member are respectively provided with a first limiting portion, and the first and second insulators are respectively provided with the first surface on the second surface. The second limiting portion of the limiting portion. The electrical connector of claim 6, wherein the first limiting portion includes a first slot and a first insertion rib, and the second limiting portion is provided with a first matching portion Two ribs and a second slot. The electrical connector of claim 1 or 7, wherein the second surface is provided with a first recessed portion extending through the rear end and a second recessed portion extending transversely, and the other portion of the second surface forms a shield Support surface. The electrical connector of claim 2, wherein the first and second abutting faces of the abutting portion are respectively recessed with a notch portion communicating with the accommodating cavity, and the terminal module is abutted within the abutting portion a surface, the contact portions of the first and second terminals respectively protrude from the two notches, and the notch is filled with a plastic material, and the plastic material seals the terminal module so that the plastic material and the first and second mating surfaces of the butting portion Flush. The electrical connector of claim 2, wherein the conductive outer casing has an inner surface facing the accommodating cavity, and the conductive outer casing extends from the inner surface with a guiding post located in the accommodating cavity, the first The second insulators are respectively provided with guiding blocks corresponding to the guiding columns, and the guiding columns are located between the guiding blocks corresponding to the first and second insulators.