CN105789975B - electrical connector - Google Patents

Abstract

The invention discloses an electric connector electrically conducted with a butting connector, which is provided with an insulating body, a metal shell and a first conductive terminal, wherein the insulating body is provided with a hollow accommodating cavity for the butting connector to be inserted into, and the top surface of the insulating body is provided with a plurality of first abdicating holes; a plurality of first convex parts extend towards the direction of the bottom plate from the top plate of the metal shell, a first concave part is formed between the two first convex parts, and the first concave part is communicated with the first abdicating hole; the first conductive terminal is provided with a first head part, and the first head part corresponds to the first abdicating hole and the first concave part; during the process of inserting the butting connector, the first head portion bounces in the first receding hole, but does not contact the top plate. The first convex part of the electric connector increases the thickness of the metal shell, so that the strength of the metal shell is enhanced, and the first concave part is formed between the first convex parts, therefore, the requirement of thinning can be ensured on the premise of meeting the sufficient structural strength of the metal shell.

Description

electrical connector

【Technical field】

The invention relates to an electrical connector, in particular to an electrical connector electrically connected to a butt connector.

【Background technique】

Universal Serial Bus (USB for short) is widely used in various electrical connection interfaces such as computers and external devices. It has experienced USB1.0, USB2.0, USB3.0 and other transmission specifications, and has developed to the current USB TYPE C specification, the existing USB TYPE C electrical connectors can already achieve forward and reverse plugging, and are developing in the direction of thinning. Commonly used USB TYPE C electrical connectors include an insulating body, an upper row of conductive terminals, a lower row of conductive terminals, and a metal shell. Problems such as deformation are prone to occur.

Therefore, in view of the above technical problems, it is necessary to design an improved electrical connector to overcome the above defects.

【Content of invention】

The invention provides an electric connector which takes both thinness and structural strength into account.

The electrical connector of the present invention includes: an insulating body, the insulating body has a hollow receiving cavity for the butt connector to be inserted into, the insulating body has a top surface and a bottom surface opposite to the top surface, and the top surface is provided with There are several first relief holes through the top surface; a metal casing, the metal casing covers the periphery of the insulating body, the metal casing includes a top plate, a bottom plate opposite to the top plate, and the top plate There are a plurality of first protrusions extending toward the bottom plate, a first recess is formed between the two first protrusions, and the first recess communicates with the first relief hole; part of it is accommodated in the The first conductive terminal in the receiving cavity, the first conductive terminal has a first head, and the first head corresponds to the first relief hole and the first recess; During the process, the first head bounces in the first relief hole, but does not touch the top plate.

The electrical connector of the present invention has the following beneficial effects:

The first convex part of the electrical connector of the present invention increases the thickness of the metal shell, so that the strength of the metal shell is enhanced, and a first concave part is formed between the first convex parts. Therefore, on the premise of satisfying the sufficient structural strength of the metal shell In addition, the requirement of thinning can be guaranteed.

【Description of drawings】

FIG. 1 is a partially exploded perspective view of the electrical connector of the present invention.

FIG. 2 is an exploded perspective view of the electrical connector of the present invention.

FIG. 3 is a three-dimensional schematic view of the insulating body of the electrical connector of the present invention.

Fig. 4 is a side view of the electrical connector of the present invention.

FIG. 5 is a sectional view along A-A of the electrical connector shown in FIG. 4 .

FIG. 6 is a schematic diagram of an enlarged structure of B in FIG. 5 .

Explanation of reference numbers

Insulation body 1 Accommodating cavity 10

Top 11 Bottom 13

First relief hole 111 Second relief hole 112

First housing part 113 Second housing part 114

metal enclosure 2 top plate 21

Bottom panel 23 Side panels 22

First convex portion 211 First concave portion 212

Second convex portion 221 Second concave portion 222

First conductive module 31 Second conductive module 32

First conductive terminal 311 Second conductive terminal 321

First head 3111 Second head 3211

First contact portion 3112 Second contact portion 3212

First insulating seat 312 Second insulating seat 322

First ground piece 4 Second ground piece 6

Shield assembly 5 Shield sheet 51

The third insulating seat 53

【Detailed ways】

In the following, the technical means adopted by the present invention to achieve the intended purpose of the invention will be further elaborated in conjunction with the accompanying drawings and specific embodiments of the present invention. Those skilled in the art can understand that the directional terms provided in the specific embodiments of the present invention, such as up, down, left, right, front or back, etc., are only used to refer to the directions of the accompanying drawings for the convenience of description It is not intended to limit the invention. In addition, without departing from the spirit and scope of the present invention, those with ordinary knowledge in the technical field of the present invention can implement numerous changes and modifications, and the practice examples derived in this way will also fall into the scope of the present invention middle.

Please refer to Figures 1-6 respectively, wherein Figures 1 and 2 are exploded perspective views of the electrical connector of the present invention, the electrical connector of the present invention is used for docking with a docking connector (not shown). The inventive electrical connector includes an insulating body 1, a metal shell 2 surrounding the outer periphery of the insulating body 1, a conductive module 3 accommodated in the insulating body 1, a shielding component 5, and the butt connector (not shown) respectively. Shown) the first grounding piece 4 and the second grounding piece 6 are electrically connected to the outer casing.

1-3, the insulating body 1 has a hollow cavity 10 for the butt connector (not shown) to be inserted into, the insulating body 1 has a top surface 11, and a bottom surface opposite to the top surface 11 13 and a side surface 12 connecting the top surface 11 and the bottom surface 13 , the accommodating chamber 10 is surrounded by the top surface 11 , the bottom surface 13 and the side surface 12 . The top surface 11 is provided with several first relief holes 111 and first accommodating parts 113, the first relief holes 111 run through the top surface 11, and the bottom surface 13 is provided with several second relief holes hole 112 and a second accommodating portion 114, the second accommodating hole 112 runs through the bottom surface 13, and the first accommodating portion 113 and the second accommodating portion 114 are separated from the top surface 11 and the second accommodating portion 114 respectively. The bottom surface 13 is recessed.

As shown in Figures 1 and 5, the metal shell 2 is covered on the periphery of the insulating body 1. In this embodiment, the metal shell 2 is made of zinc alloy die-casting. Of course, in other embodiments, Can also be injection molded from metal. The metal casing 2 includes a top plate 21 , a bottom plate 23 opposite to the top plate 21 , and a side plate 22 connecting the top plate 21 and the bottom plate 23 .

At the same time, please refer to Figures 5 and 6, the top plate 21 extends toward the bottom plate 23 with a plurality of first protrusions 211, and a first concave portion 212 is formed between the two first protrusions 211. A concave portion 212 communicates with the first relief hole 111. From a cross-sectional view, the first convex portion 211 and the first concave portion 212 continuously form a wave shape; the bottom plate 23 extends toward the top plate 21. There are a plurality of second protrusions 221, and a second recess 222 is formed between the two second protrusions 221. The second recess 222 communicates with the second relief hole 112. From a cross-sectional view, the second The convex portion 221 and the second concave portion 222 continuously form a wave shape.

The first protruding portion 211 and the second protruding portion 221 increase the thickness of the metal shell 2 , so that the strength of the metal shell 2 is enhanced. In this embodiment, the thicknesses of the top plate 21 and the bottom plate 23 are both between 0.12 mm and 0.20 mm, that is, the thickness difference is not more than 0.08 mm.

The conductive module 3 includes a first conductive module 31 and a second conductive module 32 located below the first conductive module 31, and the first conductive module 31 includes a first conductive terminal 311 and a first insulating The seat 312 , the second conductive module 32 includes a second conductive terminal 321 and a second insulating seat 322 . In this embodiment, the first conductive terminal 311 is insert-molded in the first insulating seat 312 , and the second conductive terminal 321 is insert-molded in the second insulating seat 322 . Certainly, in other embodiments, the first conductive terminal 311 and the second conductive terminal 321 may also be assembled in the first insulating seat 312 and the second insulating seat 322 respectively.

The first conductive terminal 311 and the second conductive terminal 321 are partly accommodated in the receiving cavity 10, the first conductive terminal 311 has a first head 3111 and extending from the first head 3111 The first contact portion 3112 , the first head portion 3111 corresponds to the first relief hole 111 and the first concave portion 212 . The second conductive terminal 321 has a second head 3211 and a second contact portion 3212 extending from the second head 3211, the second head 3211 corresponds to the second relief hole 112 and the The second recess 222 .

When the docking connector (not shown) is not inserted, the first head 3111 is located at the bottom of the first relief hole 111; during the process of inserting the docking connector (not shown), the The docking connector (not shown) is in electrical contact with the first contact portion 3112 and the second contact portion 3212, and the first head 3111 springs in the first relief hole 111 of the insulating body 1 and enter the first recess 212 without touching the top plate 21 of the metal casing 2, the second head 312 bounces in the second relief hole 112 of the insulating body 1, and Enter the second recess 222 without contacting the bottom plate 23 of the metal casing 2 .

Increasing the thickness of the top plate 21 and the bottom plate 23 of the metal shell 2 alone can enhance the strength of the metal shell 2. In order to ensure that the first conductive terminal 311 and the second conductive terminal 312 have sufficient For the activity space, the distance from the top plate 21 to the bottom plate 23 must be increased, which cannot meet the requirement of thinning. A first concave portion 212 is formed between the first convex portions 211 of this patent, therefore, on the premise of satisfying sufficient structural strength of the metal casing 2 , the requirement of thinning can be ensured.

Please refer to FIG. 2 and FIG. 3 at the same time, the first grounding member 4 and the second grounding member 6 are respectively provided in the first accommodating portion 113 and the second accommodating portion 114 of the insulating body 1, the first Parts of a grounding piece 4 and the second grounding piece 6 are flush with the top surface 11 and the bottom surface 13 of the insulating housing 1 respectively, and the first protrusion 211 abuts against the first grounding 4 , the second protrusion 221 abuts against the second grounding member 6 .

The shielding assembly 5 is disposed between the first conductive module 31 and the second conductive module 32, the shielding assembly 5 includes a shielding sheet 51 and a third insulating seat 53, and the shielding sheet 51 is arranged on Between the first conductive terminal 311 and the second conductive terminal 312 , the third insulating seat 53 is disposed between the first insulating seat 312 and the second insulating seat 322 . In this embodiment, the shielding member 5 is insert-molded on the third insulating seat 53 , of course, in other embodiments, it can also be fitted in an assembly manner.

The above descriptions are only preferred embodiments of the present invention, and do not limit the present invention in any form. Although the present invention has disclosed the preferred embodiments as above, it is not intended to limit the present invention. Any person skilled in the art, Without departing from the scope of the technical solution of the present invention, it should be possible to use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes. Any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the technical solutions of the present invention.

Claims (10)

1. A kind of 1. electric connector, to be electrically conducted with butt connector, it is characterised in that including：

   Insulating body, the insulating body have a hollow host cavity, are inserted for the butt connector, the insulating body With top surface and the bottom surface relative with the top surface, the top surface are provided with several first resigning holes through the top surface；

   Metal shell, the metal shell are coated on the periphery of the insulating body, the metal shell include top plate, with it is described The relative bottom plate of top plate, the top plate are provided with a plurality of first convex portions, two first convex portions towards bottom plate direction extension Between form one first recess, first recess connects with first resigning hole；

   The first conducting terminal being partially housed in the host cavity, first conducting terminal has one first head, described First head corresponds to first resigning hole and first recess；

   During inserting the butt connector, first head does not contact institute in springing in first resigning hole State top plate.
2. 2. electric connector as claimed in claim 1, it is characterised in that：The bottom plate is provided with multiple towards top plate direction extension Several second convex portions, one second recess is formed between two second convex portions.
3. 3. electric connector as claimed in claim 2, it is characterised in that：The bottom surface of the insulating body, which is provided with, runs through the bottom surface Several second resigning holes, second recess connects with second resigning hole.
4. 4. electric connector as claimed in claim 3, it is characterised in that：Further comprise the second conducting terminal, described first leads Electric terminal and second conducting terminal are oppositely arranged, and second conducting terminal has one second head, second head Corresponding second resigning hole and second recess.
5. 5. electric connector as claimed in claim 1, it is characterised in that：The top surface of the insulating body is further arranged with One first holding part, the bottom surface of the insulating body are further arranged with one second holding part.
6. 6. electric connector as claimed in claim 5, it is characterised in that：Further comprise outer with the butt connector respectively The first earthing member and the second earthing member that housing electrically conducts, first earthing member and second earthing member are respectively arranged at First holding part and second holding part.
7. 7. electric connector as claimed in claim 6, it is characterised in that：First convex portion is connected to first earthing member.
8. 8. electric connector as claimed in claim 6, it is characterised in that：The portion of first earthing member and second earthing member Divide concordant with the top surface of the insulating body and the bottom surface respectively.
9. 9. electric connector as claimed in claim 1, it is characterised in that：First convex portion and first recess are formed continuously Waveform.
10. 10. electric connector as claimed in claim 1, it is characterised in that：Further comprise shield assembly, the shield assembly bag The shielding piece of the 3rd insulating base and produced by insert molding is included, the shielding piece is arranged at first conducting terminal and relatively described first Between the second conducting terminal that conducting terminal is set.