CN210576686U

CN210576686U - Electrical connector

Info

Publication number: CN210576686U
Application number: CN201921958542.4U
Authority: CN
Inventors: 茆玉龙; 胡兵波; 翟重阳; 谢永涛
Original assignee: Kunshan All Best Electronic Technology Co Ltd
Current assignee: Kunshan All Best Electronic Technology Co Ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-05-19
Anticipated expiration: 2029-11-13

Abstract

The utility model provides an electric connector, which comprises an insulating body, a plurality of conductive terminals and a shielding shell covering the periphery of the insulating body, wherein the insulating body is provided with a base part and a tongue plate protruding forwards from the base part, the conductive terminals are arranged in two rows along the height direction, the contact parts of the two rows of conductive terminals are respectively exposed on the upper surface and the lower surface of the tongue plate, and the two rows of conductive terminals are correspondingly and reversely arranged; the shielding shell is provided with a top wall and a pair of side walls which are oppositely arranged on two sides of the top wall in the transverse direction, the base part is provided with a pair of buckling grooves which are concavely arranged on the surfaces of the two sides in the transverse direction, and each side wall is provided with a clamping part clamped in the corresponding buckling groove. The utility model discloses electric connector simple structure, stability are high and the cost is lower.

Description

Electrical connector

Technical Field

The utility model relates to an electric connector.

Background

With the rapid development of science and technology in the electronic industry, the volume of electronic products is developed along the trend of being thinner, thinner and shorter, which requires smaller and smaller components of the electronic products, and the connector industry is the first place.

This results in better mechanical performance requirements and higher product design difficulties due to the smaller size requirements of the new generation of USB Type-C connectors. In order to face thinner and thinner equipment and ensure the reliability of a product structure, various manufacturers have proposed corresponding structural designs.

The conventional USB Type-C socket connector generally includes a plastic seat, upper and lower rows of conductive terminals disposed on the plastic seat, and a metal housing wrapped outside the plastic seat, wherein the metal housing and the plastic seat need to be well positioned to ensure the structural strength of the electrical connector, and some metal housings adopt a rear cover formed by bending and extending the rear side of the metal housing downwards to strengthen the bonding force between the metal housing and the plastic seat.

In view of the above, there is a need for an improved electrical connector to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric connector that simple structure, stability are high and the cost is lower.

In order to achieve the above object, the present invention provides an electrical connector, which comprises an insulating body, a plurality of conductive terminals, and a shielding shell covering the periphery of the insulating body, wherein the insulating body comprises a base portion and a tongue plate protruding forward from the base portion, the conductive terminals are arranged in two rows along a height direction, contact portions of the two rows of conductive terminals are respectively exposed on an upper surface and a lower surface of the tongue plate, and the two rows of conductive terminals are correspondingly and reversely arranged; the shielding shell is provided with a top wall and a pair of side walls which are oppositely arranged on two sides of the top wall in the transverse direction, the base part is provided with a pair of buckling grooves which are concavely arranged on the surfaces of the two sides in the transverse direction, and each side wall is provided with a clamping part clamped in the corresponding buckling groove.

As a further improvement of the present invention, the holding portion has a terminal portion projecting toward the inside of the shielding case to receive and abut against the inside of the buckle groove.

As a further improvement of the present invention, each of the buckle grooves is also open downward when being open outward in the lateral direction.

As a further improvement of the present invention, each of the side walls further has a pair of fixing legs extending downward to be mounted on the external circuit board, the pair of fixing legs are arranged at intervals along the front-rear direction, and the clamping portion is located between the pair of fixing legs at the same side.

As a further improvement of the present invention, each of the side walls further has a positioning groove formed by recessing forward from a rear end surface thereof, the base portion has a pair of positioning blocks located at both sides thereof in the transverse direction and formed by protruding outward, and the positioning blocks are inserted forward and are positioned in the corresponding positioning grooves.

As a further improvement of the present invention, one of the pair of fixing legs located at the rear side is located between the retaining portion and the positioning groove in the front-rear direction.

As a further improvement of the present invention, the base further has a pair of protruding portions protruding from the upper side thereof, the pair of protruding portions are disposed along the transverse direction at an interval and are respectively close to the two side surfaces of the base, the side wall of the shielding case extends backward beyond the stopping surface of the top wall rear side to form a pair of stopping portions, and the pair of protruding portions are limited by the stopping surface and the corresponding stopping portions simultaneously.

As a further improvement, each the card is held the portion of holding and is formed from the lateral wall downwardly extending who corresponds, just the card is held the portion of holding and is located the rear side the interval is formed with scarce groove between the fixed foot.

As a further improvement, each the card is held the portion from being located the rear side fixed foot is crooked to be extended forward and is formed, each the lateral wall still has the scarce groove that is located its card portion upside of holding, the end portion is located the front end of card portion is held.

As a further improvement of the present invention, each said retaining portion extends from said side wall toward said shield shell, and said shield shell is formed by tearing and terminating at said rear side of said retaining foot.

The utility model has the advantages that: the utility model discloses electric connector's simple structure, stability are high and the cost is lower.

Drawings

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

Fig. 2 is a view of the electrical connector of fig. 1 from another perspective.

Fig. 3 is a partially exploded view of the electrical connector shown in fig. 1.

Fig. 4 is a perspective assembly view of a second embodiment of the electrical connector of the present invention.

Fig. 5 is a perspective assembly view of a third embodiment of the electrical connector of the present invention.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiment, and the structural, method, or functional changes made by those skilled in the art according to the embodiment are all included in the scope of the present invention.

Referring to fig. 1 to 3, an electrical connector 100 according to a first embodiment of the present invention is shown, wherein the electrical connector 100 is configured to be mounted on an external circuit board (not shown), and includes an insulating body 1, a plurality of conductive terminals 2, and a shielding shell 3 covering the periphery of the insulating body 1.

Referring to fig. 3, the insulating body 1 has a base 11 and a tongue plate 12 protruding forward from the base 11, and the tongue plate 12 has an upper surface and a lower surface opposite to each other in a height direction.

The base portion 11 has a pair of hooking grooves 112 concavely formed on both side surfaces in the lateral direction thereof, and specifically, in the present invention, each of the hooking grooves 112 is formed so as to be opened downward while being opened outward in the lateral direction.

The base 11 further has a pair of positioning blocks 113 located at both sides in the transverse direction and formed to protrude outward, the positioning blocks 113 are disposed near the rear end surface of the base 11, and in this embodiment, the positioning blocks 113 are formed to extend forward from the rear end surface of the base 11.

Meanwhile, the base 11 further has a pair of protrusions 114 protruding from an upper side thereof, and the pair of protrusions 114 are spaced apart in the lateral direction and are respectively disposed close to both side surfaces of the base 11.

The insulating body 1 further has a middle portion 13 located between the tongue plate 12 and the base portion 11, in the transverse direction and the height direction, the base portion 11 extends outward and protrudes out of the middle portion 13, and the middle portion 13 protrudes outward in the height direction from the tongue plate 12 and protrudes outward in the transverse direction from a connecting portion of the tongue plate 12.

The conductive terminals 2 are arranged in two rows along the height direction, the two rows of conductive terminals are respectively a first terminal 21 and a second terminal 22, the arrangement of the conductive terminals 2 conforms to the USB Type C association standard, the contact portions 201 of the first and

second terminals

21, 22 are respectively exposed on the upper and lower surfaces of the tongue plate 12, and the first terminal 21 and the second terminal 22 are arranged correspondingly and reversely.

Each conductive terminal 2 further has a soldering portion 202 protruding out of the insulating body 1, and the soldering portions 202 of the first and

second terminals

21 and 22 are arranged in at least two rows along the front-back direction; in this embodiment, the soldering portions 202 of the first and

second terminals

21, 22 are arranged in two rows along the front-back direction, and the soldering portions 202 of the two rows of conductive terminals 2 extend along the direction perpendicular to the mating direction for being inserted into an external circuit board.

Referring to fig. 1 to 3, the shielding shell 3 has a top wall 31 and a pair of side walls 32 disposed at two sides of the top wall 31 in a transverse direction, and each side wall 32 has a retaining portion 321 retained in the corresponding retaining groove 112.

The retaining portion 321 has a terminal portion 3210 protruding toward the shielding shell 3 to be received and abutted in the fastening groove 112.

Each of the side walls 32 further has a pair of fixing legs 323 extending downward for being mounted on an external circuit board, the fixing legs 323 are spaced apart from each other in the front-rear direction, and the fastening portion 321 is located between the fixing legs 323 on the same side in the front-rear direction.

Each of the sidewalls 32 further has a positioning groove 324 formed by being recessed forward from a rear end surface thereof, and the positioning blocks 113 on both sides of the insulating body 1 are inserted forward and retained in the corresponding positioning grooves 324. In addition, the one of the pair of fixing legs 323 located at the rear side is located between the catch 321 and the positioning groove 324 in the front-rear direction.

The side wall 32 of the shielding shell 3 extends backward beyond the stop surface 311 on the rear side of the top wall 31 to form a pair of abutments 325, and the pair of protrusions 114 are simultaneously stopped by the stop surface 311 and the corresponding abutments 325.

Further, in the present embodiment, each of the retainers 321 is formed to extend downward from the corresponding sidewall 32, and a notch 326 is formed between the retainer 321 and the fixing leg 323 at the rear side.

Referring to fig. 4, a second embodiment of the electrical connector 100 'of the present invention is shown, in which the insulating body 1', the conductive terminals and the shielding shell 3 'of the electrical connector 100' are substantially the same as those of the first embodiment, and are not repeated herein, and the differences between the two embodiments are mainly described below.

In this embodiment, unlike the first embodiment, each of the retainers 321 'is formed by bending and extending forward from the fixing leg 323' at the rear side, and each of the side walls 32 'of the shield case 3' further has a notch 326 'at the upper side of the retainer 321', and the tip portion 3210 'of the retainer 321' is located at the front end thereof.

Referring to fig. 5, a third embodiment of the electrical connector 100 "of the present invention is shown, in which the insulating body 1", the conductive terminals, and the shielding shell 3 "of the electrical connector 100" are substantially the same as those of the first embodiment, and are not repeated herein, and the differences between the two embodiments are mainly described below.

In the present embodiment, unlike the first embodiment, each holding portion 321 "is formed by tearing from the side wall 32" of the shielding shell 3 "toward the inside of the shielding shell 3", and the tearing is terminated at the front end of the fixing leg 323 "at the rear side.

The utility model discloses

electric connector

100, 100 ', 100 "through shield the card portion of holding of

casing

3, 3', 3" both sides come with

insulator

1, 1 ', 1 "both sides surface looks fixing, so, shield the casing rear end and need not to set up the flip that the downward bending extended to make

electric connector

100, 100', 100" simple structure, stability height and cost lower.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. An electric connector comprises an insulating body, a plurality of conductive terminals and a shielding shell covering the periphery of the insulating body, wherein the insulating body is provided with a base part and a tongue plate protruding forwards from the base part, the conductive terminals are arranged in two rows along the height direction, contact parts of the two rows of conductive terminals are respectively exposed on the upper surface and the lower surface of the tongue plate, and the two rows of conductive terminals are correspondingly and reversely arranged; the shielding shell is provided with a top wall and a pair of side walls which are oppositely arranged on two sides of the top wall in the transverse direction, and is characterized in that: the base part is provided with a pair of buckling grooves concavely arranged on the two side surfaces in the transverse direction of the base part, and each side wall is provided with a clamping part clamped in the corresponding buckling groove.

2. The electrical connector of claim 1, wherein: the clamping part is provided with a tail end part which protrudes towards the inside of the shielding shell to be accommodated and propped against the buckling groove.

3. The electrical connector of claim 2, wherein: each buckling groove is arranged along the transverse direction and is opened towards the outside and is also opened downwards.

4. The electrical connector of claim 2, wherein: each side wall is also provided with a pair of fixing feet which extend downwards to be installed on an external circuit board, the fixing feet are arranged at intervals along the front-back direction, and the clamping parts are positioned between the fixing feet on the same side in the front-back direction.

5. The electrical connector of claim 4, wherein: each side wall is also provided with a positioning groove formed by being recessed forwards from the rear end surface of the side wall, the base part is provided with a pair of positioning blocks which are positioned on two sides of the base part in the transverse direction and are formed by protruding outwards, and the positioning blocks are inserted forwards and limited in the corresponding positioning grooves.

6. The electrical connector of claim 5, wherein: the one of the pair of fixing legs located at the rear side is located between the retaining part and the positioning groove in the front-rear direction.

7. The electrical connector of claim 4, wherein: the base part is further provided with a pair of protruding parts protruding from the upper side of the base part, the protruding parts are arranged at intervals along the transverse direction and are respectively close to the two side surfaces of the base part, the side wall of the shielding shell extends backwards to exceed the stopping surface at the rear side of the top wall to form a pair of resisting parts, and the protruding parts are simultaneously limited by the stopping surface and the corresponding resisting parts.

8. The electrical connector of any one of claims 4 to 7, wherein: each clamping part extends downwards from the corresponding side wall to form, and notches are formed between the clamping parts and the fixing feet positioned at the rear side at intervals.

9. The electrical connector of any one of claims 4 to 7, wherein: each clamping part is formed by bending and extending forwards from the fixing foot positioned at the rear side, each side wall is also provided with a notch positioned at the upper side of the clamping part, and the tail end part is positioned at the front end of the clamping part.

10. The electrical connector of any one of claims 4 to 7, wherein: each clamping part is formed by tearing from the side wall towards the interior of the shielding shell, and the tearing is terminated at the front end of the fixing foot positioned at the rear side.