CN215266752U

CN215266752U - Electric connector and grounding terminal thereof

Info

Publication number: CN215266752U
Application number: CN202121429600.1U
Authority: CN
Inventors: 吴永发; 赵霞; 吴祝平; 方志宏
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2021-06-26
Filing date: 2021-06-26
Publication date: 2021-12-21
Anticipated expiration: 2031-06-26

Abstract

The utility model provides an electric connector and ground terminal thereof. The grounding terminal is provided with a strip-shaped main body arm, a contact arm extending from one end of the main body arm and a mounting arm extending from the other end of the main body arm in a bending mode, the outer side edge of the main body arm is provided with a lapping arm and a fixing arm which protrude outwards, the fixing arm is provided with a spur and a bevel edge, and the bevel edge extends outwards from the outer side edge of the main body arm in an inclined mode and further extends to the spur position. Compared with the prior art, the utility model discloses a change ground terminal's structure, set up the fixed arm of stretching to the evagination on ground terminal to make the protruding surface of stretching out first body and second body of fixed arm, be used for taking place to interfere with insulator, thereby combine fixedly with insulator, because the fixed arm is the metal material, it can be more firm, more reliable fixed and can not damaged easily with the insulator buckle.

Description

Electric connector and grounding terminal thereof

Technical Field

The utility model relates to an electric connection field especially relates to an electric connector and ground terminal thereof.

Background

With the development trend of miniaturization and lightness of consumer electronic products such as notebook computers, tablet computers, mobile phones and the like, the requirements on the design and manufacturing process of parts of the consumer electronic products are higher and higher, and as the products are lighter and thinner day by day, the internal space of the consumer electronic products is very narrow, so that the requirement that the internal parts of the consumer electronic products are required to adopt a dense layout is met, the volume of each electronic part is smaller and thinner, and the requirements on the reliability of the manufacturing process and the connection of the consumer electronic products are higher and higher. Use Type C Type USB electric connector as an example, its inside conductive terminal is wrapped up in insulating injection molding usually, form an integral terminal module, assemble terminal module to an insulator again, equipment combination between them mainly realizes through insulating injection molding and insulator's mutual interference fit, however, because both are insulating material, it is very easy to take place the damage at the interference in-process, thereby lead to taking place the pine between insulating injection molding and the insulator to take place to take off, wearing and tearing, and then influence the connection reliability and the stability of whole electric connector product.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric connector and ground terminal thereof to improve the cohesion between terminal module and the insulator among the prior art.

In order to solve the technical problem, the utility model adopts the following technical scheme: a grounding terminal is provided with a strip-shaped main body arm, a contact arm extending from one end of the main body arm and a mounting arm extending from the other end of the main body arm in a bending mode, wherein the outer side edge of the main body arm is provided with a lapping arm and a fixing arm which extend outwards in a protruding mode, the fixing arm is provided with a spur and a bevel edge, and the bevel edge extends outwards from the outer side edge of the main body arm in an inclined mode and further extends to the spur.

Furthermore, a limiting groove is formed between the fixed arm and the main body arm, and the fixed arm and the lapping arm are located on the same side of the main body arm.

Furthermore, the lapping arm and the main body arm are integrally connected through a reinforcing arm, and the lapping arm is formed by bending the edge of the reinforcing arm.

Further, the fixed arm with the installation arm is adjacent to be set up, the installation arm is rectangular shape and is equipped with two kink at least.

The utility model also provides an electric connector, include insulator and accept in the terminal module of insulator, be equipped with as before in the terminal module ground terminal.

Compared with the prior art, the utility model discloses a change ground terminal's structure, set up the fixed arm of stretching to the evagination on ground terminal to make the protruding surface of stretching out first body and second body of fixed arm, be used for taking place to interfere with insulator, thereby combine fixedly with insulator, because the fixed arm is the metal material, it can be more firm, more reliable fixed and can not damaged easily with the insulator buckle.

Drawings

Fig. 1 is an exploded view of the electrical connector of the present invention.

Fig. 2 is a partial assembly view of the electrical connector of the present invention.

Fig. 3 is a schematic diagram of a first terminal set of the electrical connector according to the present invention.

Fig. 4 is a schematic position diagram of the first terminal set and the shielding plate of the electrical connector of the present invention.

Fig. 5 is a schematic structural diagram of a ground terminal of the electrical connector according to the present invention.

Detailed Description

Referring to fig. 1 to 5, the present invention provides an electrical connector, including: the terminal module comprises an insulating body 10, a terminal module 20 clamped on the inner side of the insulating body 10, an injection molding body 30 installed on the terminal module 20, and a metal shell 40 arranged on the periphery of the terminal module 20 and the injection molding body 30.

The insulating body 10 is provided with a pair of side walls 11 and a pair of end walls 12, and the side walls 11 and the end walls 12 together enclose a mounting hole 13 for mounting the terminal module 20. The pair of side walls 11 are parallel to each other, the pair of end walls 12 are also parallel to each other, and a concave portion 14 which is snap-fitted to the metal shell 40 is provided on an outer wall surface of the end walls 12. The mounting hole 13 is provided with a hole inner wall in interference fit with the terminal module 20.

The terminal module 20 includes a first terminal set 21, a second terminal set 22 assembled with each other, and a metal isolation plate 23 sandwiched between the first terminal set 21 and the second terminal set 22, the first terminal set 21 and the second terminal set 22 are assembled with each other to obtain the terminal module 20, and the metal isolation plate 23 is interposed between the two to perform a signal isolation function.

Specifically, the first terminal group 21 includes a first body 210 and a plurality of first conductive terminals 211 embedded in the first body 210, two side edges of the first body 210 are provided with a pair of notches 212 which are recessed inwards, the plurality of first conductive terminals 211 are arranged along a straight line, and the plurality of first conductive terminals 211 are provided with a plurality of contact arms 213 which protrude out of the first body 210, in addition, the plurality of first conductive terminals 211 include a plurality of signal terminals S and a pair of ground terminals G which are arranged at two sides of the plurality of signal terminals S, the contact arms 213 of the signal terminals S and the contact arms 213 of the ground terminals G have the same structure, wherein the ground terminals G are provided with a main body arm 214, the contact arms 213 which extend out from one end of the main body arm 214, and a mounting arm 215 which is bent and extended from the other end of the main body arm 214, and the main body arm 214 and the contact arms 213 are in a long strip shape and extend along the same direction, one side of the main body arm 214 is provided with an overlapping arm 216 and a fixing arm 217 which extend outwards, the overlapping arm 216 bends and extends towards the metal isolation plate 23 to overlap the surface of the metal isolation plate 23, so as to realize conduction with the metal isolation plate 23 and achieve the function of grounding, and the overlapping arm 216 and the main body arm 214 are integrally connected through a strengthening arm 218 to enhance the strength of the overlapping arm 216. The mounting arm 215 is in a strip shape and at least has two bending portions 2150. It should be noted that the fixed arm 217 and the main body arm 214 are located in the same plane, and the fixed arm 217 is located in the gap 212, the fixed arm 217 is provided with a protruding thorn 2171 and a bevel 2172, the beveled edges 2172 extend obliquely outward from the outer edges of the body arms 214, and further extend to the location of the spurs 2171, in addition, a limiting recess 2173 is formed between the fixing arm 217 and the main body arm 214, the limiting recess 2173 is completely embedded in the first body 210 or the second body 220, which can enhance a coupling force with the first body 210 or the second body 220, the fixing arm 217 is located at a junction of the body arm 214 and the mounting arm 215, and the protrusion 2171 of the fixing arm 217 protrudes outward from the surface of the first body 210 or the second body 220 for interference fit with the inner wall of the hole of the mounting hole 13 of the insulation body 10, so that the terminal module 20 can be firmly combined with the insulative housing 10 by means of the protruding thorns 2171 protruding from both sides. The second terminal set 22 has substantially the same structure as the first terminal set 21, and is also provided with a pair of ground terminals G, which have the same structure as the ground terminals G in the first terminal set 21, and are not repeated herein.

The metal isolation plate 23 is flat, and is provided with a main plate 231, a pair of clamping arms 232 extending from two sides of the main plate 231 to exceed the head edge of the main plate 231, and a pair of welding pins 233 extending from the tail edge of the main plate 231, wherein the extending direction of the welding pins 233 is opposite to the extending direction of the clamping arms 232, the main plate 231 is provided with a plurality of through holes 234, the through holes 234 penetrate through the front surface and the back surface of the main plate 231, part of the through holes 234 are located at the head edge of the main plate 231, and part of the through holes 234 are located at the tail edge of the main plate 231. A narrow gap 235 is left between the holding arm 232 and the main plate 231, and a hook 236 is disposed at the end of the holding arm 232.

The injection molding body 30 comprises a first injection molding part 31, a first shielding plate 32 and a second injection molding part 33 which are embedded in the first injection molding part 31, and a second shielding plate 34 which is embedded in the second injection molding part 33, wherein the first shielding plate 32 and the first injection molding part 31 are combined together through injection molding and cover one side of the terminal module 20, the second shielding plate 34 and the second injection molding part 33 are combined together through injection molding and cover the other side of the terminal module 20, so that the two sides of the terminal module 20 are covered by the first shielding plate 32 and the second shielding plate 34, better signal transmission quality is ensured, and external signal interference is reduced. The first injection molding part 31 and the second injection molding part 33 are respectively provided with a pair of open holes 35, the first shielding plate 32 and the second shielding plate 34 are respectively provided with an extending sheet 36 extending into the open holes 35, and the tail edges of the first shielding plate 32 and the second shielding plate 34 are further provided with protruding clamping sheets 37 for clamping the first body 210 and the second body 220 in a clamping and matching manner. In addition, the first shielding plate 32 and the second shielding plate 34 are provided with a hollow area 38 at a position corresponding to the contact arm 213.

To sum up, the utility model discloses a change ground terminal G's structure, set up the protruding fixed arm 217 that stretches out on ground terminal G to make the protruding surface that stretches out first body 210 and second body 220 of fixed arm 217, be used for taking place to interfere with insulator 10, thereby combine fixedly with insulator 10, because fixed arm 217 is the metal material, it can be more firm, more reliable and insulator 10 buckle is fixed and can not be damaged easily.

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. The utility model provides a ground terminal is equipped with the installation arm that the contact arm that a body arm, the other end of following the body arm one end of a rectangular shape were extended and were buckled and extend, its characterized in that: the outer side edge of the main body arm is provided with a lapping arm and a fixed arm which protrude outwards, the fixed arm is provided with a spur and a bevel edge, and the bevel edge extends outwards from the outer side edge of the main body arm in an inclined mode and further extends to the spur.

2. The ground terminal of claim 1, wherein: a limiting groove is formed between the fixed arm and the main body arm, and the fixed arm and the lapping arm are positioned on the same side of the main body arm.

3. The ground terminal of claim 2, wherein: the lapping arm and the main body arm are integrally connected through a reinforcing arm, and the lapping arm is formed by bending the edge of the reinforcing arm.

4. The ground terminal of claim 3, wherein: the fixed arm with the installation arm is adjacent to be set up, the installation arm is rectangular shape and is equipped with two kink at least.

5. The utility model provides an electric connector, includes insulator and accepts the terminal module in insulator, its characterized in that: the terminal module is internally provided with the grounding terminal as claimed in any one of claims 1 to 4.