TWM491283U - Electrical connector with shielding shell - Google Patents

Description

Electrical connector with shielded housing

This creation relates to the field of electrical connectors, and more particularly to an electrical connector mounted on a circuit board.

The electrical connector is a precision component and is usually used for electrical connection with a pair of connector connectors for signal transmission. The electrical connector is widely used in the electronic field, such as: the computer has a wide variety of printed circuit boards. Electrical connectors, such as USB connectors, D-Sub connectors, RJ-45 connectors, and the like. Generally, the electrical connector includes an insulating body and a conductive terminal held in the insulating body. Sometimes, in order to prevent signal interference, the insulating body is further covered with a metal shielding shell for shielding the outside. The electrical signal prevents the electrical connector from receiving external signal interference during signal transmission, thereby affecting the transmission quality of the signal. Of course, it can also prevent the influence of the transmission signal of the electrical connector itself on other surrounding electronic components.

The common shielding shell is integrally stamped with metal, and has a fixing leg mounted on the circuit board, and the shielding shell is fixed on the circuit board through a fixed connection of the fixing leg and the circuit board, but due to some types of electricity During the use of the connector, the connector needs to be frequently inserted and removed, which has a great impact on the connection relationship between the shielding shell and the circuit board. In particular, the fixing legs of the shielding housing are relatively thin, which cannot provide sufficient Grab the board force, in the case of frequent plugging and unplugging, it is easy to cause deformation or fall off, which affects the fixed relationship between the electrical connector and the circuit board, resulting in problems such as poor docking and unstable signal transmission.

Therefore, it is indeed necessary to provide a new electrical connector to solve the above technical problems.

The purpose of the present invention is to provide an electrical connector that can be firmly fixed to a circuit board by improving the structure of the shielding case to meet the requirements of frequent plugging and unplugging applications.

In order to solve the above technical problem, the present invention adopts the following technical means: an electrical connector having a shielding shell, comprising an insulating body, a shielding shell fixed to the insulating body, and a plurality of conductive materials housed in the insulating body a shielding member is provided with a top wall, a bottom wall parallel to the top wall, and a pair of side walls connecting the top wall and the bottom wall; each of the side walls is provided with an ear portion, and the ear portion is rearward from a front side edge of each of the side walls The bent portion is extended, and the ear portion is provided with a vertical portion and a horizontal portion extending from the bottom portion of the vertical portion; the shielding shell is further provided with a pair of fixing legs, each of the fixing legs descending from the rear side of each of the side walls Extending vertically, the fixed leg is further provided with a bent piece that is bent inward and cooperates with the insulating body.

In the above electrical connector having a shielding case, the insulative housing includes a base portion and an abutting portion projecting forwardly from the base portion, and the rear portion of the base portion is provided with a step portion that is snap-fitted with the bent piece.

In the above electrical connector having a shielded housing, the horizontal portion is rectangular and provided with a fixing hole for fixed connection with the circuit board.

In the above electrical connector having a shielding case, the base portion is provided with a pair of card slots disposed in parallel with each other, and a boss at each end of the card slot, and one end of each of the card slots extends into the boss.

In the above electrical connector having a shielding case, the top wall is provided with a pair of elastic pieces, and a pair of locking pieces on the rear side of the elastic piece, each of the fastening pieces extending from the rear side edge of the top wall for The card slot is inserted into the boss.

In the above-mentioned electrical connector having a shielding case, each of the side walls is provided with a through hole and a flap located inside the through hole; the vertical portion is disposed in contact with the outer wall surface of each of the side walls, and an opening is formed in the vertical portion. The opening is disposed corresponding to the through hole.

Compared with the prior art, the present invention has improved the structure of the shielding shell, so that it can achieve a good holding connection with the insulating body and the circuit board, can cope with the frequent insertion and removal requirements, prevent the connection relationship from loosening, and cause the connection. Unstable.

As shown in FIG. 1 to FIG. 3 , the present invention provides an electrical connector 100 having a shielding housing, including an insulative housing 10 , a shielding housing 20 fixed to the insulative housing 10 , and being received in the insulative housing 10 . A plurality of conductive terminals 30 and a positioning body 40 for positioning the conductive terminals 30. The electrical connector 100 is mounted on a circuit board (not shown) and is used for docking with a pair of electrical connectors to achieve electrical signal transmission.

The insulative housing 10 includes a base portion 11 and an abutting portion 12 projecting forward from the base portion 11. The base portion 11 is provided with a pair of elongated card slots 13 disposed in parallel with each other, and a boss 14 at the end of each of the card slots 13, and one end of each of the card slots 13 extends into the boss 14. The abutting portion 12 has a flat shape, and a plurality of terminal grooves 15 are formed on the upper surface and the lower surface thereof. The extending direction of the terminal grooves 15 is parallel to the extending direction of the elongated card slots 13.

The shielding case 20 is made of a metal material, which is integrally stamped and bent and formed. The shielding shell 20 is provided with a top wall 21, a bottom wall 22 parallel to the top wall 21, and a pair of side walls 23 connecting the top wall 21 and the bottom wall 22. The top wall 21, the bottom wall 22 and the two side walls 23 are common Enclosed into a receiving cavity 24 for insertion of the electrical connector of the docking end. The top wall 21 is provided with a pair of elastic pieces 25 protruding into the receiving cavity 24, and a pair of locking pieces 26 on the rear side of the elastic piece 25, each of the elastic pieces 25 for shielding the electrical connector with the butting end. Abutting to form a ground loop, and each of the elastic pieces 25 is disposed corresponding to each of the elongated slot 13 and located above each of the slots 13 . Each of the locking tabs 26 extends from the rear side edge of the top wall 21 for engaging the corresponding slot 14 in the boss 14 to achieve a fixed connection between the shielding housing 20 and the insulative housing 10. Each of the side walls 23 is provided with a through hole 231, a flap 232 located inside the through hole 231, and an ear portion 233 located outside the through hole 231. The ear portion 233 is bent backward from the front side edge of each side wall 23, and The ear portion 233 is provided with a vertical portion 234 and a horizontal portion 235 extending from the bottom of the vertical portion 234. The vertical portion 234 is attached to the outer wall surface of each of the side walls 23 and is provided with an opening 236, the opening 236 and the through hole. 231 is correspondingly disposed to accommodate the flap 232. The horizontal portion 235 is rectangular and has a circular fixing hole 237. In the preferred embodiment of the present invention, the fixing hole 237 is directly fixed to the circuit board through cooperation with a fixing member such as a bolt (not shown). Show). In addition, in order to further strengthen the fixed connection between the shielding shell 20 and the circuit board, the shielding housing 20 is further provided with a pair of fixing legs 27 for fixed connection with the circuit board by means of a Through-hole welding method, each of which is fixed. The leg 27 extends vertically downward from the rear side edge of each of the side walls 23, and the fixing leg 27 is further provided with a bent piece 28 which is bent inwardly, and the bent piece 28 is retained behind the insulating body base 11. The side portion and the step portion 16 on the rear side of the base portion 11 are snap-fitted to enhance the holding force between the shield case 20 and the insulative housing 10.

Each of the conductive terminals 30 is L-shaped, and is provided with a horizontal arm 31 and a vertical arm 32. The vertical arm extends perpendicularly from the end of the horizontal arm and is used for holding and mating with the positioning body 40, thereby preventing the vertical arm. 32 The problem of positional displacement when soldering to the board results in inaccurate soldering position.

In summary, the electrical connector 100 of the present embodiment is configured to provide an ear portion 233, a fixing leg 27, and a snap tab 26 on the shielding housing 20, and the ear portion 233 is provided with a bolt and a circuit board. The fixed connection hole 237 is fixed, so that the shielding housing 20 and the circuit board and the insulative housing 10 have sufficient holding force, and the electrical connector can be firmly fixed on the circuit board, which can effectively cope with frequent insertion and removal. Happening.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any person skilled in the art can use the method disclosed above without departing from the scope of the patent application. Many possible changes and modifications to the technical means of this creation are within the scope of the scope of the patent application.

10‧‧‧Insulated body
11‧‧‧ base
12‧‧‧Docking Department
13‧‧‧Sleeve type card slot
14‧‧‧Boss
15‧‧‧Terminal slot
16‧‧‧Steps
20‧‧‧Shaded housing
21‧‧‧ top wall
22‧‧‧ bottom wall
23‧‧‧ side wall
24‧‧‧ accommodating chamber
25‧‧‧Shrap
26‧‧‧Card pieces
27‧‧‧Fixed legs
28‧‧‧bend
30‧‧‧Electrical terminals
31‧‧‧ horizontal arm
32‧‧‧ vertical arm
40‧‧‧ Positioning body
100‧‧‧Electrical connector
231‧‧‧through hole
232‧‧‧Fold
233‧‧ Ears
234‧‧‧Vertical
235‧‧‧ horizontal department
236‧‧‧ openings
237‧‧‧Fixed holes

Fig. 1 is an exploded perspective view of the electrical connector of the present embodiment. Fig. 2 is a perspective view of the shield case of the electrical connector of the present embodiment. Fig. 3 is an exploded perspective view showing another angle of the electrical connector of the present embodiment.

10‧‧‧Insulated body

11‧‧‧ base

12‧‧‧Docking Department

16‧‧‧Steps

20‧‧‧Shaded housing

26‧‧‧Card pieces

27‧‧‧Fixed legs

28‧‧‧bend

31‧‧‧ horizontal arm

32‧‧‧ vertical arm

40‧‧‧ Positioning body

232‧‧‧Fold

233‧‧ Ears

234‧‧‧Vertical

235‧‧‧ horizontal department

Claims (6)

An electrical connector having a shielding shell, comprising an insulating body, a shielding shell fixed to the insulating body, and a plurality of conductive terminals received in the insulating body; the shielding shell is provided with a top wall and parallel to the top wall a bottom wall, and a pair of side walls connecting the top wall and the bottom wall; wherein each side wall is provided with an ear portion, the ear portion is bent and extended from a front side edge of each side wall, and the ear portion is provided with a vertical And a horizontal portion extending from the bottom of the vertical portion; the shielding shell is further provided with a pair of fixing legs, each of the fixing legs extending vertically downward from the rear side of each side wall, and the fixing legs are further provided with the inward portion A bent piece that is bent and mated with the insulative body. The electrical connector of claim 1, wherein the insulative housing comprises a base portion and an abutting portion projecting forwardly from the base portion, the rear side of the base portion being provided with a snap fit with the bent piece a step. The electrical connector of claim 2, wherein the horizontal portion is rectangular and is provided with a fixing hole for fixed connection with a circuit board. The electrical connector of claim 3, wherein the base is provided with a pair of card slots disposed in parallel with each other, and a boss at each end of the card slot, each of the card slots extending into one end Inside the boss. The electrical connector of claim 4, wherein the top wall is provided with a pair of elastic pieces, and a pair of snap pieces on the rear side of the elastic piece, each of the fastening pieces from the rear of the top wall The side edges extend to be inserted into the boss along each of the slots. The electrical connector of claim 5, wherein each of the side walls is provided with a through hole, a flap located inside the through hole; the vertical portion is disposed adjacent to an outer wall surface of each of the side walls, and An opening is formed in the vertical portion, and the opening is disposed corresponding to the through hole.