TWI392147B - Electrical connector and method of manufacturing same - Google Patents

Description

Electrical connector and method of manufacturing same

The present invention relates to an electrical connector for improving the stability of a shielded housing and a method of manufacturing the same.

The prior art related to the present invention can be referred to the Chinese Patent Publication Nos. 2,237,373 and 2,460,088, and discloses an electrical connector, the electrical connection comprising a shielding housing, the top wall of the shielding housing being docked by the top walls of the two halves Together, the joint between the two halves of the top wall does not have any mutual retention. As the number of times the electrical connector is inserted, the top wall of the shielding shell is easily split in the left-right direction, resulting in misalignment and electrical connection. In order to increase the fixing effect between the two halves, the corresponding manufacturers have mutually protruding tabs and dovetail slots at the joints of the two halves. See Chinese Patent Publication No. 3147618D and US Patent Publication No. 6,475,033. In the patent, as the number of times of plugging the electrical connector increases, the butt plug is pressed down the bottom wall, which easily causes the bottom wall to crack. In view of this, it is necessary to improve the above electrical connector to overcome the above drawbacks.

It is an object of the present invention to provide an electrical connector that improves the stability of a shielded housing and a method of manufacturing the same.

The present invention can adopt the following technical solutions: an electrical connector includes an insulative housing, a conductive terminal received in the insulative housing, and a front shielding housing mounted on the insulative housing, wherein the front shielding housing is coupled to each other In the first joint portion and the second joint portion, the portion where the first joint portion and the second joint portion are in contact with each other is integrally fixed by welding.

The invention can also adopt the following technical solution: a manufacturing method of the electrical connector, comprising the steps of: providing an insulating body; providing a conductive terminal, accommodating the conductive terminal in the insulating body; and providing a front shielding shell formed of a metal material, The front shielding shell includes a first joint portion and a second joint portion. The portion where the first joint portion and the second joint portion are in contact with each other is integrally fixed by welding; finally, the front shield shell is mounted on the insulating body.

Compared with the prior art, the first joint portion and the second joint portion of the front cover of the electrical connector of the present invention are reliably fixed and integrated by welding, and the front shield shell is integrated. Improved stability and extended life of the electrical connector.

As shown in the first to fifth embodiments, the electrical connector 100 of the present invention is disposed on the circuit board for plugging the mating connector, and includes an insulative housing 1 and a plurality of conductive terminals received in the insulative housing 1. 2. The housing 3, the intermediate shielding housing 4, and the rear shielding housing 5 are shielded before being wrapped around the outside of the insulative housing 1.

The insulative housing 1 has a base portion 10, and a plurality of recesses 111, 131 and bumps 132 are respectively disposed at the rear end 11 of the base portion 10 and the rear end portions of the opposite side portions 13. The front surface 102 of the base portion 10 extends forwardly and parallelly. The intermediate partition plate 14 and the butt joint plate 15 respectively located on the lower side of the intermediate partition plate 14 and the bottom portion 12 of the base portion 10 further extend forwardly from the bottom plate 16 parallel to the intermediate partition plate 14; The groove 152, the receiving groove 152 is formed with a plurality of receiving passages 101 extending rearward through the base portion 10; the front surface 102 of the base portion 10 is located on the intermediate partition plate 14 and is provided with a rearwardly extending insertion groove 103 at a position on the lower surface.

The conductive terminal 2 includes a holding portion 22 , a contact portion 21 extending forward from the holding portion 22 , and a soldering portion 23 . The soldering portion 23 is bent backward from the holding portion 22 and protrudes out of the bottom portion 12 of the insulating body 1 . It is electrically connected to a circuit board (not shown).

The front shielding shell 3 is formed by folding a flat metal plate, and includes a top wall 31, a bottom wall 32, opposite side walls 33 connected to the top wall 31 and the bottom wall 32, and a top wall 31 and a bottom wall 32. And a receiving space 34 surrounded by the side wall 33. The front opening of the receiving space 34 is provided with an everted lip 342. The bottom wall 32 is disposed at the front of the front shielding shell 1 and is distributed in the left and right positions. The first bottom wall 321 and the second half bottom wall 322 are provided with a first joint portion 323 and a second joint portion 326 which are butted against each other, and the first joint portion 323, The second joint portion 326 is a tab and a dovetail groove that are mutually buckled in the embodiment. The first joint portion 323 and the second joint portion 326 are also joined to each other to weld the first half bottom wall 321 and the second half bottom. The wall 322 is fixedly connected together, and the rear part of the front shielding shell 3 is an opening shape in which the receiving space 34 extends downwards. The top wall 31 and the side wall 33 are disposed in the receiving space 34 corresponding to the recesses 111 and 131 of the insulating body 1 . The retaining piece 310, 330, the rear end of the side wall 33 is provided with a notch 332 at the position of the protrusion 132 of the insulative housing 1; the top wall 31 of the front shielding case 3 And the side wall 33 is further provided with square mouths 314, 334. The rear end of the front shielding shell 3 is further provided with a holding leg 333 extending downward from the two side walls 33; the side walls of the front shielding shell 3 are respectively provided with a plurality of elastic pieces 315, 325, 335 The elastic piece 45 disposed on the upper and lower surfaces of the intermediate shielding shell 4 cooperates to be well positioned with the corresponding docking connector (not shown) during docking; the upper and lower surfaces of the intermediate shielding shell 4 are further provided with a rearward extending insertion. Connection 42.

The top end of the rear shielding shell 5 is bent out of two positioning legs 52 corresponding to the position of the square mouth 314 of the front shielding shell 3. The lower ends of the rear shielding shell 5 correspond to the position of the square opening 334 on the side wall 33 of the front shielding shell 3. A spring piece 53 is bent perpendicularly to the rear surface 50, and a convex portion 530 is disposed on the elastic piece 53.

When the electrical connector 100 of the present invention is assembled, the conductive terminal 2 is firstly received in the insulative housing 1 , and the retaining portion 22 is retained in the receiving passage 101 on the base 10 of the insulative housing 1 . The contact portion 21 extends forward and is arranged side by side. The soldering portion 23 is disposed at the rear of the insulative housing 1 and extends out of the bottom portion 12 of the insulative housing 1 , and then covers the upper and lower surfaces of the intermediate shielding housing 4 on the intermediate partition 14 . The insertion portion 42 is inserted into the insertion slot 103 of the insulative housing 1 . Secondly, the insulative housing 1 is disposed in the receiving space 34 of the front shielding housing 3 , and the bottom plate 16 is wrapped around the bottom wall 32 of the front shielding housing 3 . The holding pieces 310 and 330 on the side walls of the front shielding shell 3 and the notches 332 at the rear end respectively cooperate with the grooves 111, 131 and the protrusions 132 at corresponding positions on the insulating body 1; finally, the rear shielding shell 5 is covered In the rear part of the insulative housing 1, the forwardly extending positioning leg 52 and the convex portion 530 on the elastic piece 53 respectively engage with the rear end of the top wall 31 of the front shielding shell 3 and the square ends 314, 334 of the lower end of the side wall 33.

The manufacturing method of the electrical connector 100 of the present invention comprises the steps of: providing an insulative housing 1 having a forwardly extending abutting plate 15, an intermediate partition 14, and a bottom plate 16; providing a plurality of conductive terminals 2, the conductive terminals 2 having The contact portion 21 and the soldering portion 23, the conductive terminal 2 is received in the insulative housing 1, the contact portion 21 is arranged side by side in the receiving groove 152 of the lower surface of the butt plate 15, the solder portion 23 extends downwardly from the bottom portion 12 of the insulative housing 1; Providing a shield housing 3 formed by folding a planar metal sheet, comprising a top wall 31 and a bottom wall 32 and the opposite side walls 33, the bottom wall 32 includes two separate bottom bottom walls 321, 322, and the half bottom walls 321, 322 include a first joint portion 323 and a second joint portion 326 which abut each other, the first joint portion 323, the portion of the second joint portion 326 that is opposite to the second joint portion 326 (ie, the joint portion) is integrally joined by welding, and two welded joints 324 are formed at intervals in the joint portion (see the second figure and In the fifth figure, the soldering point 324 is close to the front edge of the bottom wall 32, and then the front shielding shell 3 is wrapped on the outside of the insulative housing 1; the rear shielding housing 5 is provided to be mounted on the insulative housing 1. .

The first joint portion 323 and the second joint portion 326 are fixed by welding, and the first joint portion 323 and the second joint portion 326 are integrally connected, and the bottom wall 32 is stronger. The invention can also be used for laser welding and laser welding. The laser beam can be used as a welding energy source for welding between the same and different metal materials. When high-intensity laser is irradiated on the surface of the material to be welded, part of the light energy will be absorbed by the material and converted into heat energy to melt the material. In order to achieve the purpose of welding, the laser welding process is short, and the solder can be omitted, which has the advantages of beautiful appearance, high speed, high efficiency, small deformation, high reliability, low cost, weldable refractory material and can be carried out. Advantages of micro soldering.

In summary, this creation has indeed met the requirements of the invention patent, and applied for a patent in accordance with the law. However, the above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application.

100‧‧‧Electrical connector

1‧‧‧Insulating body

2‧‧‧Electrical terminals

3‧‧‧ front shielding shell

4‧‧‧Intermediate shielding shell

5‧‧‧ rear shielding shell

10‧‧‧ base

11‧‧‧ top

1‧‧‧ side

111, 131‧‧‧ grooves

102‧‧‧ front surface

14‧‧‧Intermediate partition

15‧‧‧ docking board

12‧‧‧ bottom

16‧‧‧floor

152‧‧‧ Reception trough

101‧‧‧ Containment passage

103‧‧‧ Socket slot

21‧‧‧Contacts

22‧‧‧ Holding Department

23‧‧‧Weld Department

31‧‧‧ top wall

32‧‧‧ bottom wall

33‧‧‧ side wall

34‧‧‧ accommodating space

342‧‧‧ lip

321‧‧‧ first half of the bottom wall

322‧‧‧ second half of the bottom wall

323‧‧‧First joint

326‧‧‧Second joint

324‧‧‧ solder joints

310, 330‧‧‧ retaining film

332‧‧‧ gap

314, 334‧‧‧ square mouth

333‧‧‧holding feet

315, 325, 335‧‧ ‧ shrapnel

45‧‧‧Shrap

42‧‧‧Interface

52‧‧‧ positioning feet

50‧‧‧Back surface

53‧‧‧Shrap

530‧‧‧ convex

The first figure is a perspective view of the electrical connector of the present invention.

The second drawing is another perspective view of the electrical connector of the present invention.

The third figure is an exploded perspective view of the electrical connector of the present invention.

The fourth figure is another perspective exploded view of the electrical connector of the present invention.

Figure 5 is a perspective view of the front shield housing of the electrical connector of the present invention.

3‧‧‧ front shielding shell

32‧‧‧ bottom wall

34‧‧‧ accommodating space

321‧‧‧ first half of the bottom wall

322‧‧‧ second half of the bottom wall

323‧‧‧First joint

326‧‧‧Second joint

Claims (6)

An electrical connector includes: an insulative housing; a conductive terminal received in the insulative housing; and a front shielding housing mounted on the insulative housing, the front shielding housing including a receiving space for receiving the mating connector And a bottom wall surrounding the bottom of the accommodating space, wherein the bottom wall is provided with a first joint portion and a second joint portion that are butted against each other, and the butt joint of the first joint portion and the second joint portion is fixed by laser welding In one piece, the formed solder joints are spaced apart. The electrical connector of claim 1, wherein the front shield housing comprises a top wall, a side wall connected to the top wall and the bottom wall, the weld point being adjacent to a front edge of the bottom wall and comprising only two Solder joints. The electrical connector of claim 2, wherein the top wall, the bottom wall, and the side wall form the receiving space for receiving the mating connector. The electrical connector of claim 1, wherein the insulative housing is provided with an intermediate partition extending forwardly and a mating plate, wherein the mating plate is located in the receiving space, and the conductive terminals are arranged side by side on one side of the mating plate. The electrical connector of claim 1, wherein the electrical connector further comprises an intermediate shielding housing that is retained on the insulative housing and covers the exterior of the intermediate partition. A method of manufacturing an electrical connector, comprising the steps of: providing an insulative body; providing a conductive terminal for receiving the conductive terminal in the insulating body; providing a front shielding shell formed of a metal material, the front shielding housing including The accommodating space of the docking connector and the bottom of the bottom of the accommodating space The wall and the bottom wall are provided with a first joint portion and a second joint portion that are butted against each other, and the abutting portions of the first joint portion and the second joint portion are integrally fixed by laser welding, and are connected to the first and second joint portions. Two solder joints are formed between the gaps; finally, the front shield shell is mounted on the insulative housing.