CN209844104U

CN209844104U - Electrical connector

Info

Publication number: CN209844104U
Application number: CN201920891107.8U
Authority: CN
Inventors: 曾波; 方志宏; 姚宏江
Original assignee: KUNSHAN DRAPHO ELECTRONICS TECHNOLOGY Co Ltd
Current assignee: KUNSHAN DRAPHO ELECTRONICS TECHNOLOGY Co Ltd
Priority date: 2018-09-04
Filing date: 2019-06-14
Publication date: 2019-12-24
Anticipated expiration: 2029-06-14

Abstract

The utility model provides an electric connector, include casing assembly and be located the terminal module of casing assembly, the terminal module includes row's of going up terminal group, lower terminal group and in go up the row's of going up terminal group and lower metal isolation plate between the terminal group down, the both sides limit of metal isolation plate is equipped with the jack that link up from top to bottom and is located the inboard long and narrow type of jack and leads to the groove. Compared with the prior art, the utility model discloses an optimize the contact structure between the ground terminal of upper and lower row terminal group and the metal isolator, utilize the setting of logical groove and jack on the metal isolator, can make the contact of ground terminal and metal isolator more reliable and stable, can effectual improvement signal transmission, can pass through high frequency test smoothly, can satisfy the product production demand, can also guarantee simultaneously that product property ability is stable.

Description

Electrical connector

Technical Field

The utility model relates to an electrical connection technical field especially relates to an electric connector.

Background

The electrical connector is widely used in digital products such as computers and mobile phones, such as USB connectors and SATA connectors, and the electrical connector is used as a signal transfer element, which plays a very critical role in the whole electrical connection system and directly affects the stability and reliability of electrical connection. For example, in some electrical connectors, a double row of conductive terminals are disposed, and in order to avoid mutual interference, a ground terminal is usually disposed in the conductive terminal, and a mixed signal is removed through the ground terminal, but for an electrical connector with a relatively dense and large number of conductive terminals, especially for an electrical connector for high-frequency signal transmission, the method still cannot achieve an ideal grounding effect.

Therefore, there is a need to provide a new electrical connector to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric connector to improve the not good problem of ground connection effect among the prior art.

In order to solve the technical problem, the utility model provides an electric connector, include casing assembly and be located the terminal module of casing assembly, the terminal module includes row's of going up terminal group, lower row of terminal group and in go up row's of going up terminal group and lower row of metal division board between the terminal group, the both sides limit of metal division board is equipped with the jack that link up from top to bottom and is located the inboard long and narrow type logical groove of jack.

Furthermore, the head and tail positions of the lower row of terminal group and the lower row of terminal group are two grounding terminals, and the side edges of the two grounding terminals are provided with grounding sheets bent out vertically, and the grounding sheets are connected with the grounding terminals integrally.

Further, the grounding strips of the grounding terminals of the upper row of terminal groups extend downward and are inserted into the jack, and the grounding strips of the grounding terminals of the lower row of terminal groups extend upward and are inserted into the jack.

Furthermore, a protrusion abutting against the grounding sheet is arranged in the jack.

Further, the jack is also of a long and narrow type and is arranged adjacent to the long and narrow type through groove, and the length of the long and narrow type through groove is larger than that of the jack.

Further, the shell assembly comprises a shielding shell and a cover body arranged on the shielding shell, the cover body is provided with a main body part, an installation part extending from the rear end edge of the main body part and fixing parts extending from two sides of the main body part in a bending mode, the installation part is in an inverted U shape, and the installation part and the main body part are integrally connected through a connecting plate extending upwards.

Further, both sides of the metal partition plate are provided with widened portions on which the insertion holes are formed.

Compared with the prior art, the utility model discloses an optimize the contact structure between the ground terminal of upper and lower row terminal group and the metal isolator, utilize the setting of logical groove and jack on the metal isolator, can make the contact of ground terminal and metal isolator more reliable and stable, can effectual improvement signal transmission, can pass through high frequency test smoothly, can satisfy the product production demand, can also guarantee simultaneously that product property ability is stable.

Drawings

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

Fig. 2 is an exploded view of the housing assembly of the electrical connector of the present invention.

Fig. 3 is an exploded view of a terminal module of the electrical connector according to the present invention.

Fig. 4 is a schematic view of a metal isolation plate of the electrical connector according to the present invention.

Fig. 5 is a perspective view of the terminal module of the electrical connector of the present invention.

Detailed Description

Referring to fig. 1 to 5, the present invention provides an electrical connector 100, which includes a housing assembly 10 and a terminal module 20 located in the housing assembly 10. The housing assembly 10 is wrapped around the terminal module 20, so that the housing assembly can play a good role in protecting, and can shield external signals to ensure signal transmission of the terminal module 20. The housing assembly 10 and the terminal module 20 are described in detail below.

As shown in fig. 2, the housing assembly 10 includes a shielding shell 11 and a cover 12 mounted on the shielding shell 11, the shielding shell 11 and the cover 12 are both made of metal material by stamping, the shielding shell 11 is integrally stamped and then bent into an annular metal plate, which has a top wall 13, a bottom wall 14 and a pair of arc-shaped side walls 15, and a butt joint cavity 16 is formed between the top wall 13, the bottom wall 14 and the side walls 15. The cover body 12 is provided with a main body part 120, a mounting part 17 extending from the rear end edge of the main body part 120, and fixing parts 18 extending from two sides of the main body part 120 in a bending manner, wherein the mounting part 17 is in an inverted U shape and integrally connected with the main body part 120 through a connecting plate 121 extending upwards.

The terminal module 20 includes an upper module 21, a lower module 22 and a metal isolation plate 23 between the upper module 21 and the lower module 22, wherein the upper module 21 and the lower module 22 are mutually snap-fitted and clamp the metal isolation plate 23 therein, thereby forming a terminal module 20. As shown in fig. 3, specifically, the upper module 21 includes an upper body 210 and an upper row terminal set 211 fixed on the upper body 210, and the lower module 22 includes a lower body 220 and a lower row terminal set 221 fixed on the lower body 220, wherein the upper body 210 has an upper base 212 and an upper tongue plate 213 horizontally protruding forward from the upper base 212, a large height difference exists between the top surface of the upper base 212 and the upper tongue plate 213, and the two are integrally connected through a side wall 214 extending obliquely upward. The lower body 220 is provided with a lower base 222 and a lower tongue plate 223 horizontally protruding forwards from the lower base 222, and the upper tongue plate 213 and the lower tongue plate 223 are provided with protrusions 24 at positions corresponding to each other up and down. The metal isolation plate 23 is provided with a plurality of positioning holes 25 matched with the upper module 21 and the lower module 22 in a positioning manner and welding pins 26 welded with the circuit board, and the size of the metal isolation plate 23 is larger than the upper tongue plate 213 and the lower tongue plate 223, so that two sides of the metal isolation plate 23 protrude outwards beyond the upper tongue plate 213 and the lower tongue plate 223, and the front end of the metal isolation plate 23 protrudes forwards beyond the upper tongue plate 213 and the lower tongue plate 223, in addition, two side edges of the metal isolation plate 23 are also provided with a widening portion 27 extending outwards, the widening portion 27 is provided with a through hole 270 which is communicated up and down for inserting a grounding terminal G in the upper row terminal group 211 and the lower row terminal group 221, and in order to make the plugging operation of the grounding terminal G and the through hole 270 smoother, the metal isolation plate 23 of the utility model is further provided with a long and narrow through groove 271 positioned at the inner side of the through hole 270, the elongated through slot 271 is closely adjacent to the inner side of the insertion hole 270, so that the elasticity of the widened portion 27 is greatly increased, the stability of interference is facilitated, and the widened portion 27 and the ground terminal G can be stably overlapped, as shown in fig. 3 to 5, the upper row terminal set 211 comprises a plurality of signal terminals S and a plurality of ground terminals G, wherein two ground terminals G are located at the first and last positions, and the two ground terminals G are provided with a horizontally extending contact arm 28 and a mounting arm 29 formed by bending the tail end of the contact arm 28, one side of the contact arm 28 is vertically bent to extend a ground strip 280, and the ground strip 280 extends toward the metal isolation plate 23 and passes through the insertion hole 270, so as to overlap with the metal isolation plate 23, so that the ground terminal G can directly electrically contact with the metal isolation plate 23 through the ground strip 280 to realize a grounding function, in order to increase the contact force between the grounding plate 280 and the metal separator 23, a protrusion 272 abutting against the grounding plate 280 is further provided in the insertion hole 270. The lower terminal set 221 has a similar structure to the upper terminal set 211, and the ground terminal G has a ground plate 280 inserted into the insertion hole 270 of the widened portion 27, so that, by providing the widened portion 27 on the metal isolation plate 23 and providing the grounding piece 280 connected to the widened portion 27 on the grounding terminal G of the upper and lower row terminal sets 211, 221, grounding can be achieved conveniently and quickly, moreover, the insertion holes 270 and the through grooves 271 arranged on the widened portion 27 can increase the stability of the insertion, the signal transmission quality of the lower terminal group 211 and the lower terminal group 221 is greatly improved, compared with the scheme that only the grounding terminal G is adopted without the metal isolation plate 23, the utility model has better grounding effect, and the contact mode of the grounding terminal G and the metal isolation plate 23 is more direct and convenient, so that complicated design and installation operation are avoided, and the production efficiency is also favorably improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention.

Claims

1. An electric connector comprises a shell assembly and a terminal module positioned in the shell assembly, and is characterized in that the terminal module comprises an upper row of terminal groups, a lower row of terminal groups and a metal isolation plate between the upper row of terminal groups and the lower row of terminal groups, and two side edges of the metal isolation plate are provided with jacks which are communicated up and down and long and narrow through grooves positioned on the inner sides of the jacks.

2. The electrical connector of claim 1, wherein: the first and last positions of the lower row of terminal group and the lower row of terminal group are two grounding terminals, and the sides of the two grounding terminals are provided with grounding pieces bent out vertically, and the grounding pieces are connected with the grounding terminals integrally.

3. The electrical connector of claim 2, wherein: the grounding sheets of the grounding terminals of the upper row of terminal groups extend downwards and are inserted into the jack, and the grounding sheets of the grounding terminals of the lower row of terminal groups extend upwards and are inserted into the jack.

4. The electrical connector of claim 3, wherein: and the jack is internally provided with a bulge which is abutted against the grounding sheet.

5. The electrical connector of claim 4, wherein: the jack is also of a long and narrow type and is arranged adjacent to the long and narrow type through groove, and the length of the long and narrow type through groove is larger than that of the jack.

6. The electrical connector of claim 5, wherein: the shell assembly comprises a shielding shell and a cover body arranged on the shielding shell, the cover body is provided with a main body part, an installation part extending from the rear end edge of the main body part and fixing parts extending from two sides of the main body part in a bending mode, the installation part is in an inverted U shape, and the installation part and the main body part are integrally connected through a connecting plate extending upwards.

7. The electrical connector of claim 6, wherein: the two sides of the metal isolation plate are provided with widened parts, and the jacks are formed in the widened parts.