CN109672048B

CN109672048B - Plug connector

Info

Publication number: CN109672048B
Application number: CN201710963973.9A
Authority: CN
Inventors: 许庆仁
Original assignee: Guangdong Haoying Electronic Technology Co ltd
Current assignee: Guangdong Haoying Electronic Technology Co ltd
Priority date: 2017-10-16
Filing date: 2017-10-16
Publication date: 2024-02-27
Anticipated expiration: 2037-10-16
Also published as: CN109672048A

Abstract

The invention discloses a plug connector. The plug connector of the present invention includes a front housing assembly and a rear housing. The front shell component comprises a front shell, an insulating body arranged in the front shell and a shielding module matched with the insulating body. The shielding module comprises an insulating seat and a shielding piece fixedly arranged on the insulating seat. The insulating base has a first engagement structure. The rear housing has a second engagement structure corresponding to the first engagement structure. The second joint structure is used for being abutted with the first joint structure so as to connect the front shell assembly with the rear shell. The plug connector provided by the invention is butted with the second joint structure on the rear shell by utilizing the first joint structure on the front shell assembly, so that the stability of assembly can be improved, the mechanical strength of assembly is increased, 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 conventional plug connector has a front housing and a rear housing, and a plurality of internal components of the plug connector are respectively disposed 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 tightness and insufficient mechanical strength, the assembly mode can lead to shaking between the front iron shell and the rear iron shell and loosening after the plug connector is plugged and unplugged for multiple times. When the front iron shell and the rear iron shell are loosened, components such as a circuit board, a cable and the like in the plug connector can be easily pulled, so that the problems of poor contact and even short circuit are caused.

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

[ invention ]

The invention provides a plug connector with stably assembled internal components.

The plug connector is used for being connected to the socket connector and is electrically communicated with the connected socket connector. The plug connector includes a front housing assembly and a rear housing. The front shell component comprises a front shell, an insulating body arranged in the front shell and a shielding module matched with the insulating body. The shielding module comprises an insulating seat and a shielding piece fixedly arranged on the insulating seat. The insulating base has a first engagement structure. The rear housing has a second engagement structure corresponding to the first engagement structure. The second joint structure is used for being abutted with the first joint structure so as to connect the front shell assembly with the rear shell.

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

the front shell component of the plug connector is provided with the first joint structure, the rear shell is provided with the second joint structure, and the front shell component can be firmly assembled with the rear shell by utilizing the mutual butt joint mode of the joint structures, so that the mechanical strength of the 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 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 an exploded view of the shielding module of fig. 2.

Fig. 4 is a partial schematic view of the rear housing of fig. 2.

Fig. 5 is an exploded perspective view of the shielding module and the rear housing.

Fig. 6 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

Shield member 131 of shielding module 13

Insulating seat 1321 on insulating seat 132

First joint structure 133 of lower insulating base 1322

First upper structure 1331 and first lower structure 1332

Rear housing 21 on rear housing 20

Second engagement structure 23 of lower rear case 22

Second upper structure 231 second lower structure 232

Conductive terminal 40 of switching circuit board 30

Cable set 50 housing 60

The connection direction J extends the axial direction L1

Extending axial direction L2

[ 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 diagram of a plug connector according to an embodiment of the invention, and fig. 2 is an exploded perspective view of the plug connector of fig. 1. The plug connector 1 of the present invention is used for connecting to a receptacle connector (not shown), and is used for conducting electrically with the connected receptacle connector to transmit data or power.

The plug connector 1 includes a front housing assembly 10 and a rear housing 20. The front case assembly 10 includes a front case 11, an insulating body 12, and a shielding module 13. The insulating body 12 is disposed in the front housing 11, and the shielding module 13 is structurally matched with the insulating body 12, so that the shielding module and the insulating body can be matched and connected. 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.

Referring to fig. 3 and 4, fig. 3 is an exploded view of the shielding module of fig. 2, and fig. 4 is a partial view of the rear housing of fig. 2. The shielding module 13 includes an insulating base 132 and a shielding member 131 fixed on the insulating base 132, and the insulating base 132 has a first engagement structure 133 thereon. The rear housing 20 has a second engagement structure 23 corresponding to the first engagement structure 133. The second engagement structure 23 is adapted to interface with the first engagement structure 133 to thereby connect the front housing assembly 10 to the rear housing 20.

In the present embodiment, the shielding member 131 is made of a metal material, the insulating base 132 is made of a non-conductive plastic material, and the two materials are different from each other, and are manufactured into an integrally formed component by, for example, insert molding.

In this embodiment, the first engagement structure 133 is a slot, the second engagement structure 23 is a rib, and the shape of the slot is matched with the shape of the rib, so that the slot and the rib form a firm butt joint, and the rear housing 20 can be firmly connected to the front housing assembly 10. Further, the first engagement structure 133 has an extending axial direction L1, and the second engagement structure 23 also has an extending axial direction L2, and the extending axial direction L1 of the first engagement structure 133 is parallel to the extending axial direction L2 of the second engagement structure 23.

In addition, in the plug connector 1 of the present embodiment, both the front housing 11 and the insulating body 12 are sleeve-like structures and extend in the same one direction. By such a structural design, the front housing assembly 10 can define a connection direction J. The plug connector 1 is connected to the receptacle connector along the connection direction J. As shown in fig. 3, the extending axial direction L1 of the first engagement structure 133 is perpendicular to the connecting direction J, so that when a user inserts and withdraws the plug connector 1, the first engagement structure 133 and the second engagement structure 23 can maintain a stable engagement relationship, and the problem that the front housing assembly 10 is separated from the rear housing 20 after multiple inserts and withdraws can be avoided.

Referring to fig. 5 and 6, fig. 5 is an exploded perspective view of the shielding module and the rear housing, and fig. 6 is a cross-sectional view of the plug connector of fig. 1. Wherein fig. 6 is a cross-sectional view taken along section line A-A' in fig. 1.

In the present embodiment, the insulating base 132 includes an upper insulating base 1321 and a lower insulating base 1322, which are respectively located at two sides of the shielding member 131. As shown in fig. 5 and 6, the upper insulating seat 1321 and the lower insulating seat 1322 are located at the upper and lower sides of the shield 131, respectively. The first engagement structure 133 includes a first upper structure 1331 and a first lower structure 1332, the first upper structure 1331 is located on the upper insulating base 1321, and the first lower structure 1332 is located on the lower insulating base 1322. In this embodiment, the rear housing 20 may be made of metal, for example, die cast in zinc alloy; in other embodiments, it may also be injection molded from metal. The upper insulating seat 1321 and the lower insulating seat 1322 have the same structure, and can be manufactured by using the same mold, so that the manufacturing cost is saved.

In the present embodiment, the rear housing 20 includes an upper rear housing 21 and a lower rear housing 22 that are butted against each other. The second engagement structure 23 includes a second upper structure 231 and a second lower structure 232. The second upper structure 231 is located at the upper rear case 21, and the second lower structure 232 is located at the lower rear case 22. The upper rear case 21 and the lower rear case 22 have the same structure in the present embodiment, and can be manufactured using the same mold, thereby saving manufacturing costs.

The first upper structure 1331 is correspondingly abutted with the second upper structure 231, and the first lower structure 1332 is correspondingly abutted with the second lower structure 232. The rear case 20 is abutted against the front case assembly 10 by such a manner of joining the upper and lower sides, so that the joining mechanism stability can be improved.

The plug connector 1 of the present embodiment further includes a conductive terminal 40, a patch circuit board 30, a cable set 50, and a housing 60.

The conductive terminals 40 are arranged in the insulating base 132 to be electrically isolated from the shielding member 131. As described above, the shielding member 131 is made of a metal material, the insulating base 132 is made of a non-conductive plastic material, and the conductive terminal 40 is electrically isolated from the shielding member 131 made of a metal material by being disposed on the insulating base 132.

Since the insulating base 132 of the present embodiment includes the upper insulating base 1321 and the lower insulating base 1322, part of the conductive terminals 40 may be arranged in the upper insulating base 1321, and another part of the conductive terminals 40 may be arranged in the lower insulating base 1322.

The transit circuit board 30 is electrically connected to the conductive terminals 40 and mechanically connected to the shielding member 131, so that the position of the transit circuit board 30 is limited by the shielding member 131. The cable set 50 is electrically connected to the switch circuit board 30, and is electrically connected to the conductive terminals 40 through the switch circuit board 30. The conductive terminals 40, the switching circuit board 30 and the cable set 50, which are electrically connected to each other, form a signal or power transmission path of the plug connector 1.

The outer shell 60 covers a portion of the front housing assembly 10, the rear housing 20, and a portion of the cable set 50 to provide protection for the internal components.

The plug connector 1 according to the embodiment of the present invention includes the front housing assembly 10 and the rear housing 20. 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 shielding module 13 includes an insulating base 132 and a shielding member 131 fixed to the insulating base 132. The insulating base 132 has a first engagement structure 133. The rear case 20 has a second engagement structure 23 corresponding to the first engagement structure 133. The second engagement structure 23 is used for being in butt joint with the first engagement structure 133, so that the front shell assembly 10 is connected with the rear shell 20, the mechanical strength of the front shell assembly 10 and the rear shell 20 is improved, the problem that the plug connector is easy to damage is avoided, 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:

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, wherein the shielding module comprises an insulating seat and a shielding piece fixedly arranged on the insulating seat, and the insulating seat is provided with a first joint structure; and

and a rear housing having a second engagement structure corresponding to the first engagement structure, the second engagement structure being adapted to interface with the first engagement structure to connect the front housing assembly to the rear housing.

2. The plug connector of claim 1, wherein: the first joint structure is a clamping groove, the second joint structure is a convex rib, and the shape of the clamping groove is matched with the shape of the convex rib, so that the clamping groove and the convex rib form firm butt joint.

3. The plug connector of claim 1, wherein: the extending direction of the first joint structure is parallel to the extending direction of the second joint structure.

4. The plug connector of claim 1, wherein: the front housing assembly defines a connection direction along which the plug connector is connected to the receptacle connector, and the first engagement structure extends in a direction perpendicular to the connection direction.

5. The plug connector of claim 1, wherein: the insulation seat comprises an upper insulation seat and a lower insulation seat which are respectively positioned at two sides of the shielding piece, and the first joint structure comprises a first upper structure and a first lower structure which are respectively positioned at the upper insulation seat and the lower insulation seat.

6. The plug connector of claim 5, wherein: the upper insulating seat and the lower insulating seat have the same structure.

7. The plug connector of claim 1, wherein: the rear shell comprises an upper rear shell and a lower rear shell which are in butt joint with each other, and the second joint structure comprises a second upper structure and a second lower structure which are respectively positioned on the upper rear shell and the lower rear shell.

8. The plug connector of claim 1, wherein: the shielding piece and the insulating seat are made of different materials and are integrally formed.

9. The plug connector of claim 1, wherein: the shielding member is arranged in the insulating seat, and further comprises a conductive terminal which is arranged in the insulating seat so as to be electrically isolated from the shielding member.

10. The plug connector of claim 9, wherein: the shielding member is used for shielding the conductive terminals, and the shielding member is used for shielding the conductive terminals.