TWM454022U - USB electrical connector - Google Patents

Description

USB electrical connector

The present invention relates to an electrical connector, in particular to a USB electrical connector that increases structural assembly stability and convenience, and avoids electromagnetic interference (EMI).

The first embodiment shows an exploded perspective view of a conventional electrical connector. a plurality of conductive terminals 3 and a rear shielding case 4 on the insulative housing 2, wherein the front shielding housing 1 can receive the insulative housing 2 and the conductive terminals 3, and the front shielding housing 1 is at the rear end The plurality of holding holes 5 and the plurality of concave holes 6 are disposed, and the rear shielding shell 4 is provided with a plurality of holding pieces 7 and a plurality of convex points 8 corresponding to the positions of the holding holes 5 and the concave holes 6. The rear shielding shells 1 and 4 are respectively engaged with the holding pieces 7 and the bumps 8 by the fixing holes 5 and the recessed holes 6, and the insulating body 2 and the conductive terminals 3 are limited to the front and rear shielding shells. 1, 4 rooms.

Although the conventional electrical connector can be engaged with the retaining piece 7 and the bump 8 through the retaining hole 5 and the recessed hole 6, in practice, the above structures have tolerances, and under the influence of the tolerance, the retaining hole 5 may be caused. The connection between the recessed hole 6 and the holding piece 7 and the bump 8 is loosened, and the assembly stability is lowered. Further, since the fixing hole 5, the recessed hole 6 and the holding piece 7 and the bump 8 are loosely connected, the front may be made The electrical connection between the rear shielding shells 1 and 4 is unstable, causing electromagnetic interference (EMI); and during assembly, the holding holes 5, the recessed holes 6 and the holding piece 7 and the bumps 8 need to be aligned separately to be assembled and combined. Therefore, assembly has caused inconvenience.

In view of this, it is indeed necessary to improve the conventional electrical connector shielding housing assembly structure to solve the above drawbacks.

The main purpose of this creation is to provide a USB electrical connector that increases structural assembly stability and convenience, and avoids Electromagnetic Disturbance (EMI).

The present invention mainly provides a USB electrical connector, comprising an insulator, a plurality of conductive terminals disposed on the insulator, a conductive outer casing covering the insulator and the conductive terminals, and a conductive assembly assembled with the conductive housing The conductive housing and the conductive housing are partially overlapped, and at least one electrical contact spring is electrically connected to the overlap, and one end of the electrical contact spring is abutted against the conductive housing or the conductive assembly On the side of the shell.

The electrical contact spring piece is elastically abutted on the conductive housing or the side surface of the conductive assembly housing, so that the electrical contact spring piece can be stably electrically connected between the conductive housing and the conductive assembly housing, and The electromagnetic interference can be avoided, and the electrical contact spring piece does not need to be aligned with the conventional holding hole or the recessed hole in assembly, so assembly convenience can be achieved.

The above and other objects, advantages and features of the present invention are apparent from the following detailed description of the preferred embodiments.

[study]

1‧‧‧ front shielding shell

2‧‧‧Insulated body

3‧‧‧Electrical terminals

4‧‧‧ rear shielding shell

5‧‧‧ holding holes

6‧‧‧ recessed hole

7‧‧‧ Holding film

8‧‧‧Bumps

[this creation]

100‧‧‧USB electrical connector

10‧‧‧Insulator

11‧‧‧ Main body

111‧‧‧ card edge

12‧‧ ‧Tongue

121‧‧‧ empty slots

13‧‧‧Extension

131‧‧‧ convex

132‧‧‧Limited

1321‧‧‧ notch

20‧‧‧Electrical terminals

21‧‧‧Contacts

22‧‧‧Connecting Department

23‧‧‧Weld Department

30‧‧‧Electrical housing

31‧‧‧ containment chamber

32‧‧‧ snap groove

33‧‧‧ soldering feet

40‧‧‧ Conductive group shell

41‧‧‧Electrical contact shrapnel

42‧‧‧Deduction Department

The first figure is an exploded perspective view of a conventional electrical connector.

The second figure is a combined perspective view of the USB connector of the creation.

The third figure is an exploded perspective view of the USB connector of the creation.

The fourth figure is a combined sectional view of the USB connector of the creation.

Please refer to the second to fourth figures, respectively, a perspective view, an exploded perspective view and a combined cross-sectional view of the USB electrical connector of the present invention; the USB electrical connector 100 of the present invention comprises: an insulator 10 having a main body portion 11 and a tongue portion 12 and an extension portion 13 are integrally extended in opposite directions, and in the present embodiment, the tongue portion 12 and the extension portion 13 have a height difference, wherein the tongue portion 12 has a plurality of heights. In the present embodiment, the two sides of the main body portion 11 are respectively provided with a card edge 111. The opposite sides of the extending portion 13 are respectively provided with a convex portion 131 and a limiting portion 132. The limiting portion 132 has a notch 1321 opened downward.

The plurality of conductive terminals 20 are disposed in the insulator 10. The conductive terminals 20 respectively define a contact portion 21, a connecting portion 22 connected to the contact portion 21, and a soldering portion 23 connected to the connecting portion 22. The contact portions 21 are exposed to the tongue portion 12, and the connecting portions 22 are coupled to the main body portion 11. The soldering portions 23 are extended from the extending portion 13, which are electrically conductive in the present embodiment. The terminal 20 is bonded to the insulator 10 by means of insert molding.

a conductive housing 30 having a receiving cavity 31 in front and rear, wherein the receiving body 31 accommodates the insulator 10 and the conductive terminals 20, and the conductive housing 30 is recessed on both side walls of the rear end surface of the receiving cavity 31. An engaging groove 32 is disposed, and the conductive housing 30 is integrally formed with the two soldering legs 33. The receiving cavity 31 of the conductive housing 30 accommodates the tongue in the present embodiment. 12 and the contact portion 21 of the conductive terminals 20, and the engaging grooves 32 are engaged with the card edge 111, and the soldering legs 33 are respectively limited to the limiting portions 132. In the embodiment, the soldering legs 33 are limited to the limiting portion 132 by the notches 1321.

A conductive assembly 40 is connected to the insulator 10 and is in contact with the conductive housing 30. The conductive housing 30 and the conductive assembly 40 are partially overlapped, and at least one electrical connection is provided at the overlap. Contacting the elastic piece 41, and one end of the electrical contact elastic piece 41 abuts against the conductive housing 30 or the side surface of the conductive assembly housing 40. In the present embodiment, the conductive assembly housing 40 is located at the corresponding convex portion 131. Two fastening portions 42 are disposed, and the fastening portions 131 are integrally extended outwardly with an electrical contact elastic piece 41, and the side surfaces of the conductive outer casing 30 are respectively associated with the electrical contact elastic pieces 41. Abutting, the electrical contact springs 41 are located between the insulator 10 and the conductive housing 30.

In order to further understand the characteristics of this creation, the use of technical means and the expected results, we will use the way of this creation to describe it. I believe that we can have a deeper and more specific understanding of this creation, as follows: Referring to the fourth figure, a cross-sectional view of the USB connector of the present invention is used. In the assembly, the conductive package 40 is fastened to the convex portions 131 by the fastening portions 42. The conductive package housing 40 is fixed to the extension portion 13 of the insulator 10, and then the conductive housing 30 is sleeved on the insulator 10, so that the tongue portion 12 and the contact portion 21 of the conductive terminals 20 are The conductive housing 30 is disposed in the receiving cavity 31, and the soldering pins 33 of the conductive housing 30 are limited to the limiting portion 132. At this time, the electrical contact elastic pieces 41 are elastically abutted on the side surface of the conductive outer casing 30, whereby the electrical contact elastic pieces 41 are abutted against the side surfaces of the conductive outer casing 30, so that the electric power is not caused by the tolerance. Sexual connection is unstable, so that electromagnetic interference can be avoided; On assembly, the electrical contacts elastic piece 41 also without conventional aligned retaining holes 5 or recesses 6, it can achieve ease of assembly.

In addition, the electrical contact springs may also be disposed on the conductive housing and abut against the side of the conductive assembly (not shown) for the same purpose.

The specific embodiments set forth in the detailed description of the preferred embodiments are intended to be illustrative of the nature of the invention, and are not intended to limit the scope of the invention to the embodiments. The implementation of all kinds of changes is within the scope of this creation.

10‧‧‧Insulator

11‧‧‧ Main body

111‧‧‧ card edge

12‧‧ ‧Tongue

121‧‧‧ empty slots

13‧‧‧Extension

131‧‧‧ convex

132‧‧‧Limited

1321‧‧‧ notch

20‧‧‧Electrical terminals

21‧‧‧Contacts

30‧‧‧Electrical housing

31‧‧‧ containment chamber

32‧‧‧ snap groove

33‧‧‧ soldering feet

40‧‧‧ Conductive group shell

41‧‧‧Electrical contact shrapnel

42‧‧‧Deduction Department

Claims (6)

A USB electrical connector includes an insulator, a plurality of conductive terminals disposed on the insulator, a conductive outer casing covering the insulator, and a conductive package, the main feature of the conductive housing and the conductive assembly The portions are partially overlapped, and at least one electrical contact elastic piece is electrically connected to the overlapping portion to form an elastic compression abutment between the conductive group connecting shell and the conductive outer casing. The USB electrical connector of claim 1, wherein one end of the electrical contact spring is attached to the conductive assembly, and the other end is elastically abutted on a side of the conductive housing. The USB electrical connector of claim 2, wherein the conductive set shell is assembled on the insulator, and the electrical contact springs are integrally outwardly facing from opposite sides of the conductive set shell The extension is formed, and the sides of the conductive housing are respectively abutted against the electrical contact springs, such that the electrical contact springs are located between the insulator and the conductive housing. The USB electrical connector of claim 3, wherein the insulator has a convex portion respectively protruding from the opposite sides, and the conductive assembly is provided with two buckles at positions corresponding to the convex portions. The connecting portion is configured to be fastened to the convex portions, and the electrical contact elastic pieces are integrally extended outward from the fastening portions. The USB electrical connector of claim 4, wherein the insulator is respectively provided with a limiting portion on the opposite sides, and the opposite sides of the conductive housing are respectively limited to the limiting portions. The USB electrical connector of claim 5, wherein the conductive outer casing has a receiving cavity that communicates with the front and the rear, and the receiving cavity receives the insulator and the conductive terminals, and the conductive outer casing is further The rear end of the receiving cavity integrally extends to form two welded portions, and the welded portions abut against the electrical contact elastic pieces.