CN109755789B

CN109755789B - Plug connector

Info

Publication number: CN109755789B
Application number: CN201711080837.1A
Authority: CN
Inventors: 许庆仁
Original assignee: Guangdong Haoying Electronic Technology Co ltd
Current assignee: Guangdong Haoying Electronic Technology Co ltd
Priority date: 2017-11-06
Filing date: 2017-11-06
Publication date: 2024-02-27
Anticipated expiration: 2037-11-06
Also published as: CN109755789A

Abstract

The invention discloses a plug connector which comprises a front shell component, a circuit board and a rear shell. The circuit board is connected to the front shell assembly and comprises a ground wire connection position. The rear shell is in butt joint with the front shell component, and the rear shell comprises a contact part, wherein the contact part and the ground wire grounding position are welded into a whole, so that the structural strength of the circuit board and the stability of grounding conduction are ensured. The rear shell of the plug connector is welded with the ground wire connecting position of the circuit board into a whole by utilizing the contact part, so that the circuit board and the ground wire connecting position thereof can be stably arranged in the rear shell, the mechanical strength of assembly is improved, the risk of damage of the plug connector is reduced, and the product quality is improved.

Description

Plug connector

[ field of technology ]

The present invention relates to a plug connector, and more particularly, to a plug connector for electrical connection with a receptacle connector.

[ background Art ]

Currently, plug and receptacle mating connectors are commonly used for electrical mating of wire to wire, board to board, and the like.

In the prior art, a plug connector is commonly provided with a front housing and a rear housing, and a plurality of internal components of the plug connector are respectively arranged in the front housing and the rear housing to fix positions, and the front housing and the rear housing provide protection functions. In the conventional plug connector, the front housing and the rear housing are both made of metal, and a plastic member is used to assemble the front housing and the rear housing together. In addition to the problems of poor assembly adhesion and insufficient mechanical strength, the assembly method may cause shaking between the front iron shell and the rear iron shell and the internal components thereof after the plug connector is repeatedly used, and cause loose conditions, and the assembly such as a circuit board and a cable inside the plug connector is easily pulled, so that the problem of poor contact and even short circuit is caused.

Accordingly, there is a need for an improved plug connector that overcomes the above-mentioned drawbacks.

[ invention ]

The invention provides a plug connector which enables internal components to be firmly assembled and well protected.

The plug connector according to the present invention is used for connecting to the socket connector to be electrically connected with the socket connector. The plug connector comprises a front shell component, a circuit board and a rear shell. The circuit board is connected to the front shell assembly and comprises a ground wire connection position. The rear shell is in butt joint with the front shell component, and the rear shell comprises a contact part, wherein the contact part and the ground wire grounding position are welded into a whole, so that the structural strength of the circuit board and the stability of grounding conduction are ensured.

The plug connector of the invention has the following beneficial effects:

the rear shell of the plug connector is welded with the ground wire connecting position of the circuit board into a whole by utilizing the contact part, so that the circuit board and the ground wire connecting position thereof can be stably arranged in the rear shell, the mechanical strength of assembly is improved, the risk of damage of the plug connector is reduced, and the product quality is improved.

[ description of the drawings ]

Fig. 1 is a schematic perspective view of a plug connector according to an embodiment of the invention.

Fig. 2 is an exploded perspective view of the plug connector of fig. 1.

Fig. 3 is a schematic view of the rear housing of fig. 2.

Fig. 4 is a cross-sectional view of the plug connector of fig. 1.

Description of the reference numerals

Front shell assembly 10 of plug connector 1

Front case 11 insulating body 12

Rear housing 20 of shielding module 13

Upper rear case 21 and lower rear case 22

First contact portion 21a second contact portion 22a

Bonding surface 31 of circuit board 30

Ground wire connection 33 of lower joint surface 32

Conductive terminal 40 cable set 50

First conductor 51 second conductor 52

Connection direction X of the housing 60

[ detailed description ] of the invention

The technical means adopted by the invention to achieve the preset aim are further described below by combining the drawings and the specific embodiments of the invention. It will be appreciated by those skilled in the art that directional terms such as up, down, left, right, front or rear, etc. provided by the specific embodiments of the invention are used merely for convenience of description and are not intended to limit the invention with reference to the accompanying drawings. In addition, many alterations and modifications may be made by those having ordinary skill in the art without departing from the spirit and scope of the invention, and such derived implementation examples fall within the scope of the invention.

Referring to fig. 1 and 2, fig. 1 is a schematic perspective view of a plug connector according to an embodiment of the invention, and fig. 2 is an exploded schematic perspective view of the plug connector of fig. 1. The plug connector 1 of the present embodiment is used for connecting to a socket connector (not shown) to be electrically connected with the socket connector for transmitting power and data. The plug connector 1 includes a front housing assembly 10, a rear housing 20, and a circuit board 30.

The front case assembly 10 includes a front case 11, an insulating body 12 disposed in the front case 11, and a shielding module 13 mated with the insulating body 12. The circuit board 30 is abutted against the shielding module 13 so as to be connected to the front case assembly 10 through the shielding module 13, and the circuit board 30 includes a ground connection 33. The rear housing 20 is abutted to the front housing assembly 10 and covers part of the front housing assembly 10, the circuit board 30 is arranged in the rear housing 20, the rear housing 20 comprises at least one contact part 21a/22a, and the contact parts 21a/22a and the ground wire grounding position 33 are welded into a whole, so that the structural strength of the circuit board and the stability of grounding conduction are ensured. In this embodiment, the front housing 11 is made of metal, and has an accommodating space (not shown) inside for accommodating the insulating body 12 therein. The shape and size of the insulating body 12 are approximately matched with those of the front shell 11 in appearance, so that the insulating body 12 can be stably arranged in the front shell 11.

In addition, the plug connector 1 in the present embodiment further includes the cable assembly 50, the housing 60, and the conductive terminals 40. The cable set 50 interfaces with the circuit board 30. The housing 60 completely encloses the rear housing 20 so that the rear housing 20 is not exposed to the outside, and serves to protect the rear housing 20 and the internal components of the plug connector 1. The conductive terminals 40 are arranged in the shielding module 13 and electrically connected to the circuit board 30, and further electrically connected to the cable set 50, so as to form a signal transmission path.

With continued reference to fig. 1 and 2, in the plug connector 1 of the present embodiment, both the front housing 11 and the insulating body 12 have sleeve-like structures and extend in the same direction. By such a structural design, the front housing assembly 10 can define a connection direction X. The plug connector 1 is connected to the receptacle connector along the connection direction X.

Referring to fig. 3 and 4, fig. 3 is a schematic view of the rear housing of fig. 2. Fig. 4 is a cross-sectional view of the plug connector of fig. 1, and more particularly, fig. 4 is a cross-sectional view taken along section line A-A' in fig. 1. The rear housing 20 includes an upper rear housing 21 and a lower rear housing 22 that are butted against each other. The contact portions include a first contact portion 21a located at the upper rear case 21 and a second contact portion 22a located at the lower rear case 22. In the present embodiment, the upper rear case 21 and the lower rear case 22 have the same structure, and are made of metal, for example, die-cast with zinc alloy, or injection molding with metal is also possible. Because the two have the same structure, the two can be manufactured by using the same mould, and the manufacturing cost can be saved.

In this embodiment, the circuit board 30 is flat plate-shaped and has an upper joint surface 31 and a lower joint surface 32 opposite to each other, the upper joint surface 31 faces the upper rear housing 21, the lower joint surface 32 faces the lower rear housing 22, and the ground wire joint 33 is located on at least one joint surface of the upper joint surface 31 and the lower joint surface 32. In this embodiment, the ground line 33 of the circuit board 30 is located on the upper joint surface 31, and the configuration of the ground line 33 can be changed according to the actual requirement of the product, which is not limited in the present invention.

In this embodiment, the number of the first contact portions 21a is at least two, and the two first contact portions 21a are disposed at the edge of the upper rear case 21 and located at opposite sides. In the present embodiment, the number of the second contact portions 22a is at least two, and the two second contact portions 22a are disposed at the edge of the lower rear housing 22 and located at opposite sides. The number and arrangement of the contact portions can be changed according to the actual requirements of the product, and the invention is not limited.

In the plug connector 1 of the present embodiment, the cable assembly 50 includes the plurality of first conductors 51, and the plurality of first conductors 51 are bonded to at least one of the upper bonding surface 31 and the lower bonding surface 32. That is, in various embodiments, the plurality of first wires 51 may be bonded entirely to the upper bonding surface 31, entirely to the lower bonding surface 32, or partially bonded to the upper bonding surface 31 while another portion is bonded to the lower bonding surface 32. On the other hand, in the plug connection 1 of the present embodiment, the cable set 50 includes a plurality of second wires 52, and the plurality of second wires 52 are bonded to at least one of the upper bonding surface 31 and the lower bonding surface 32. That is, in various embodiments, the plurality of second wires 52 may be bonded entirely to the upper bonding surface 31, entirely to the lower bonding surface 32, or partially bonded to the upper bonding surface 31 while another portion is bonded to the lower bonding surface 32.

In the embodiment shown in fig. 4, the plurality of first wires 51 are all bonded to the upper bonding surface 31, and the plurality of second wires 52 are also all bonded to the upper bonding surface 31. The first conductive wire 51 is disposed on the circuit board 30 at a position closer to the outside, and the second conductive wire 52 is disposed on the circuit board 30 at a position closer to the middle.

The first contact portion 21a and the second contact portion 22a are respectively welded to the upper joint surface 31 and the lower joint surface 32 of the circuit board 30, respectively, with the both sides of the circuit board 30 being sandwiched and bonded. In this embodiment, the contact portion 21a/22a is a raised platform, and the platform and the ground connection portion 33 are in flat-contact engagement and welded together, so as to improve the stability of assembly. In addition, the contact portions 21a/22a and the ground connection portion 33 are all welded by ultrasonic welding, so that the mechanical strength of assembly is improved, the risk of damage to the plug connector is reduced, and the product quality is improved.

The plug connector according to the embodiment of the invention comprises a front shell component, a circuit board and a rear shell. The circuit board is connected to the front shell assembly and comprises a ground wire connection position. The rear shell is in butt joint with the front shell component, and the rear shell comprises a contact part, wherein the contact part and the ground wire grounding position are welded into a whole, so that the structural strength of the circuit board and the stability of grounding conduction are ensured. According to the plug connector, the rear shell adopts a welding integrated mode by utilizing the contact part of the rear shell and the ground wire connection position of the circuit board, so that the mechanical strength of assembly is improved, the risk of damage of the plug connector is reduced, and the product quality is improved.

The foregoing description is only illustrative of the preferred embodiment of the present invention and is not to be construed as limiting the invention, but is intended to cover all modifications, equivalents and alternatives falling within the scope of the invention as defined by the appended claims.

Claims

1. A plug connector for connection to a receptacle connector for electrical communication therewith, comprising:

a front housing assembly;

the circuit board is connected with the front shell assembly and comprises a ground wire connecting position; and

the rear shell is butted with the front shell component and covers the front shell component of the part, the rear shell comprises a contact part, and the contact part and the ground wire connecting position are welded into a whole to ensure the structural strength and the grounding conduction stability of the circuit board;

the rear shell comprises an upper rear shell and a lower rear shell which are in butt joint with each other, the upper rear shell and the lower rear shell have the same structure, and the contact part comprises a first contact part positioned on the upper rear shell and a second contact part positioned on the lower rear shell; the first contact part and the second contact part are respectively clamped and attached to two sides of the circuit board.

2. The plug connector of claim 1, wherein: the circuit board is flat plate-shaped and has opposite upper and lower joint surfaces, the upper joint surface faces the upper rear housing, and the lower joint surface faces the lower rear housing, wherein the ground wire joint is located on at least one joint surface of the upper joint surface and the lower joint surface.

3. The plug connector of claim 1, wherein: the number of the first contact parts is at least two, and the first contact parts are arranged at the edge of the upper rear shell and are positioned on opposite sides.

4. The plug connector of claim 1, wherein: the number of the second contact parts is at least two, and the second contact parts are arranged at the edge of the lower rear shell and are positioned on opposite sides.

5. The plug connector of claim 1, wherein: the contact part is in a convex platform shape, and the platform is in flat-paste joint with the ground wire grounding position.

6. The plug connector of claim 1, wherein: the front shell assembly comprises a front shell, an insulating body arranged in the front shell and a shielding module matched with the insulating body, and the circuit board is connected with the front shell assembly through the shielding module.

7. The plug connector of claim 6, wherein: the shielding module further comprises conductive terminals arranged in the shielding module, wherein the conductive terminals are electrically connected to the circuit board and then electrically connected to the cable set.