CN214100031U

CN214100031U - Electrical connector

Info

Publication number: CN214100031U
Application number: CN202120011235.6U
Authority: CN
Inventors: 茆玉龙; 胡兵波; 谢永涛
Original assignee: Kunshan All Best Electronic Technology Co Ltd
Current assignee: Kunshan All Best Electronic Technology Co Ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-08-31
Anticipated expiration: 2031-01-05

Abstract

The utility model provides an electric connector, it includes terminal module, cladding and shields the casing and be fixed in outside the terminal module shield the outer metal casing of casing, it has and is located rear side and cladding and be fixed in to shield the casing the installation department of terminal module and be located the front side and be formed with the grafting portion of butt joint space, the installation department with metal casing welds mutually, grafting portion selectively with metal casing links to each other. The utility model discloses the terminal module of electric connector can selectively install the various different configurations shield casing and metal casing outward, and then strengthens the general performance of terminal module.

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 electric connector comprises a plastic seat body, an upper row of conductive terminals and a lower row of conductive terminals which are arranged on the plastic seat body, and a shielding sheet clamped between the upper row of conductive terminals and the lower row of conductive terminals. The plastic seat body comprises an upper body, a lower body and an insulation body which is injection molded outside the upper body and the lower body, the upper body and the lower body are respectively injection molded outside the two rows of conductive terminals, so that the terminal module of the electric connector can be manufactured only by three times of injection molding, and the terminal module is usually only matched with a specific metal shell.

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 commonality is stronger.

In order to realize the above object, the utility model provides an electric connector, it has terminal module, cladding and shields the casing and be fixed in outside the terminal module shield the outer metal casing of casing, it has and is located rear side and cladding and be fixed in to shield the casing the installation department of terminal module and be located the front side and be formed with the grafting portion in butt joint space, the installation department with metal casing welds mutually, grafting portion selectively with metal casing links to each other.

As a further improvement of the present invention, the terminal module includes a terminal seat, two rows of terminals set in the conductive terminals in the terminal seat and the metal shielding plate set between the two rows of conductive terminals along the height direction, two rows of the conductive terminals are corresponding and reversely arranged, and the terminal module includes a plurality of first terminals arranged in a row and a plurality of second terminals arranged in another row.

As a further improvement of the present invention, the metal shell has a cross beam extending in the transverse direction and a mounting leg extending downward at both ends of the cross beam to be mounted on the external circuit board.

As a further improvement of the present invention, the metal shell further has a notch portion formed by recessing forward from the rear end surface thereof, the notch portion is in a lengthwise shape extending in the transverse direction so as to expose the leg of the conductive terminal outward.

As a further improvement of the present invention, the metal shielding plate has a pair of extension arms exposed to at least one of the sides of the terminal block, the pair of extension arms are located in the transverse direction the outside of the conductive terminal and connected to the mounting portion by welding.

As a further improvement of the present invention, the metal shell further has a cover portion located in front of the cross beam, the cover portion covers the outer surface of the insertion portion and is electrically connected thereto.

As a further improvement of the present invention, the thickness of the installation portion in the height direction is smaller than the thickness of the insertion portion in the height direction, so that the installation portion is compared with the insertion portion which is flat.

As a further improvement, the seamless structure that the casing formed for drawing is shielded, metal casing's preceding terminal surface with the preceding terminal surface parallel and level that shields the casing perhaps is located shield the preceding terminal surface rear of casing.

As a further improvement of the present invention, the front end face of the terminal block is flush with the front end face of the shielding case.

As a further improvement of the present invention, the front end face of the terminal block is located in front of the front end face of the shielding case, and the distance between the front end face and the shielding case is 1 mm.

The utility model has the advantages that: the mounting part of the electric connector is welded with the metal shell, and the inserting part can be selectively connected with the metal shell, so that shielding shells and metal shells with various different configurations can be selectively mounted outside the terminal module, and the general performance of the terminal module is enhanced; in addition, the metal shielding sheet is exposed out of the terminal seat and connected with the rear part of the shielding shell in a welding mode through the extension arm, so that a better grounding effect is achieved, the holding force between the shielding shell and the terminal seat can be increased, and the durability of the electric connector is improved.

Drawings

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

Fig. 2 is an exploded perspective view of the electrical connector shown in fig. 1.

Fig. 3 is a top view of the first embodiment of the electrical connector shown in fig. 1.

Fig. 4 is a top view of a second embodiment of the electrical connector shown in fig. 1.

Fig. 5 is a top view of a third embodiment of the electrical connector shown in fig. 1.

Fig. 6 is a top view of a fourth embodiment of the electrical connector shown in fig. 1.

Fig. 7 is a top view of a fifth embodiment of the electrical connector shown in fig. 1.

Fig. 8 is a top view of a sixth embodiment of the electrical connector shown in fig. 1.

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 8, an electrical connector 100 of the present invention is shown, wherein the electrical connector 100 is installed on an external circuit board (not shown), and includes a terminal module, a shielding shell 4 covering the terminal module, and a metal shell 5 fixed outside the shielding shell 4, the shielding shell 4 has an installation portion 41 located at the rear side and covering and fixed to the terminal module, and an insertion portion 42 located at the front side and forming an insertion space, the installation portion 41 is welded to the metal shell 5, and the insertion portion 42 is selectively connected to the metal shell 5.

Referring to fig. 1 and 2, the terminal module includes a terminal base 1, two rows of conductive terminals 2 disposed in the terminal base 1, and a metal shielding plate 3 disposed between the two rows of conductive terminals 2 along a height direction, the two rows of conductive terminals 2 are arranged correspondingly and reversely, and include a plurality of first terminals 21 arranged in a row and a plurality of second terminals 22 arranged in another row, and the first terminals 21 and the second terminals 22 are arranged in the same manner as the conductive terminals in a standard USB Type C electrical connector.

The terminal block 1 is injection molded around the conductive terminal 2 and the metal shielding plate 3, thereby forming an integral terminal module. Further, referring to fig. 2, the terminal base 1 has a base portion 11 located at the rear side thereof, a tongue portion 12 located at the front side thereof, and an intermediate portion 13 located between the base portion 11 and the tongue portion 12, the tongue portion 12 has two surfaces oppositely disposed along the height direction, the abutting portions 24 of the two rows of conductive terminals 2 are respectively disposed on the two surfaces of the tongue portion 12, and the upper and lower surfaces of the intermediate portion 13 are respectively disposed in a coplanar manner with the upper and lower surfaces of the base portion 11.

The utility model discloses in, terminal seat 1 has interior insulator and the outer insulator of over-molding outside interior insulator and conductive terminal 2, metallic shield piece 3 with first terminal 22 pile up the back at the direction of height interval and inlay the shaping in the interior insulator, second terminal 21 assemble in one of them side of interior insulator on the direction of height, later at second terminal 21 and the outer shaping outer insulator of interior insulator again.

Each of the conductive terminals 2 of the first and

second terminals

21 and 22 has a fixing portion (not shown) fixed to the inner insulator 11, the mating portion 24 extending forward from the fixing portion and exposed outside the tongue portion 12 of the terminal block 1, and a solder tail 25 extending out of the terminal block 1. As shown in fig. 2, the solder tails 25 of the first terminals 21 and the second terminals 22 are arranged in a same row and are soldered to the circuit board by surface soldering.

As shown in fig. 2, the metal shielding plate 3 has a pair of extension arms 31 exposed on at least one side surface of the terminal base 1, and the pair of extension arms 31 are located outside the conductive terminal 2 in the transverse direction and connected to the mounting portion 41 by welding, so as to not only achieve a better grounding effect, but also increase the holding force between the shielding shell 4 and the terminal base 1 and increase the durability of the electrical connector 100.

The utility model discloses in, shield casing 4 for drawing the seamless structure that forms, metal casing 5 the preceding terminal surface with shield casing 4 the preceding terminal surface parallel and level or be located shield casing 4's preceding terminal surface rear. The thickness of the mounting portion 41 in the height direction is smaller than the thickness of the insertion portion 42 in the height direction, so that the mounting portion 41 is flat compared with the insertion portion 42. The whole inserting part 42 is in an oval tubular shape, and the extension arm 31 is connected with one side of the mounting part 41 in the height direction in a welding mode.

The metal housing 5 has a beam 51 extending in a transverse direction and mounting legs 52 extending from both ends of the beam 51 and bent downward to be mounted on an external circuit board (not shown).

Meanwhile, the metal shell 5 further has a notch 53 recessed forward from the rear end surface thereof, and the notch 53 is elongated in the transverse direction to expose the solder tail 25 of the conductive terminal 2.

Specifically, the electrical connector 100 of the present invention has six embodiments, and it is shown in fig. 3 to fig. 8 that the first to sixth embodiments correspond in sequence, and the different shielding cases 4 and the metal shell 5 in the six embodiments can all be adapted to the same terminal module in the present invention.

Wherein, in the third embodiment, the front end surface of the metal shell 5 is flush with the front end surface of the shielding shell 4; in other embodiments, the front end surface of the metal shell 5 is located behind the front end surface of the shielding shell 4.

In addition, in the first to fourth embodiments of the present invention, the metal shell 5 further has a cover portion 54 located in front of the cross beam 51, and the cover portion 54 covers the outer surface of the insertion portion 42 and is electrically connected thereto. In the fifth and sixth embodiments, the metal shell 5 covers only the outer side of the mounting portion 41 and does not extend forward to the insertion portion 42.

In the second, fourth, and sixth embodiments of the present invention, the front end surface of the terminal block 1 is flush with the front end surface of the shielding case 4; in the first, third and fifth embodiments, the front end surface of the terminal block 1 is located in front of the front end surface of the shielding shell 4, and the distance between the two is 1 mm.

The mounting part 41 of the electrical connector 100 of the present invention is welded to the metal shell 5, and the inserting part 42 is selectively connected to the metal shell 5, so that the shielding shell 4 and the metal shell 5 with various configurations can be selectively mounted outside the terminal module, thereby enhancing the general performance of the terminal module; in addition, the extension arm 31 of the metal shielding plate 3 exposed outside the terminal block 1 is connected to the rear part of the shielding shell 4 by welding, so that not only is a better grounding effect achieved, but also the holding force between the shielding shell 4 and the terminal block 1 can be increased, and the durability of the electrical connector 100 is increased.

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. The utility model provides an electric connector, its includes the terminal module, wraps the shielding casing outside the terminal module and is fixed in shield the metal casing outside the casing, its characterized in that: the shielding shell is provided with an installation part which is positioned at the rear side and is fixedly coated on the terminal module and an insertion part which is positioned at the front side and is provided with a butt joint space, the installation part is welded with the metal shell, and the insertion part can be selectively connected with the metal shell.

2. The electrical connector of claim 1, wherein: the terminal module comprises a terminal seat, two rows of conductive terminals arranged in the terminal seat and a metal shielding sheet arranged between the two rows of conductive terminals along the height direction, wherein the two rows of conductive terminals are correspondingly and reversely arranged and comprise a plurality of first terminals arranged in a row and a plurality of second terminals arranged in the other row.

3. The electrical connector of claim 2, wherein: the metal shell is provided with a beam extending along the transverse direction and mounting feet which are bent downwards from two ends of the beam and extend to be mounted on an external circuit board.

4. The electrical connector of claim 3, wherein: the metal shell is also provided with a notch which is formed by sinking forwards from the rear end surface of the metal shell, and the notch is in a lengthwise shape extending along the transverse direction so as to expose the welding foot of the conductive terminal outwards.

5. The electrical connector of claim 3, wherein: the metal shielding sheet is provided with a pair of extension arms exposed on at least one side surface of the terminal base, and the pair of extension arms are positioned on the outer side of the conductive terminal in the transverse direction and are connected with the mounting part in a welding mode.

6. The electrical connector of claim 5, wherein: the metal shell is further provided with a shielding part located in front of the cross beam, and the shielding part covers the outer surface of the inserting part and is electrically connected with the outer surface of the inserting part.

7. The electrical connector of any one of claims 2 to 6, wherein: the thickness of the mounting part in the height direction is smaller than that of the insertion part in the height direction, so that the mounting part is flat compared with the insertion part.

8. The electrical connector of claim 7, wherein: the shielding shell is of a seamless structure formed by drawing, and the front end face of the metal shell is flush with the front end face of the shielding shell or is positioned behind the front end face of the shielding shell.

9. The electrical connector of claim 7, wherein: the front end face of the terminal seat is flush with the front end face of the shielding shell.

10. The electrical connector of claim 7, wherein: the front end face of the terminal seat is positioned in front of the front end face of the shielding shell, and the distance between the front end face of the terminal seat and the front end face of the shielding shell is 1 mm.