TWI495199B - Electrical connector and electrical connector assembly having the same - Google Patents

Description

Electrical connector and electrical connector assembly

The present invention relates to an electrical connector and such an electrical connector assembly, and more particularly to a mating of a mask sheet to an external circuit board in an electrical connector assembly.

For the prior art related to the present invention, please refer to the Chinese patent of CN101527409B, published on June 15, 2011, the electrical connector can be mounted on a circuit board of an external device, the electrical connector comprising an insulating body, mounted on a plurality of conductive terminals in the insulating body and a mask sheet mounted in the insulating body, the mask sheet comprising first and second mask sheets, the first mask sheet being provided with a plurality of grounds connected to the circuit board The second mask piece is connected to the first mask piece and grounded through the first mask piece, and the grounding effect is relatively poor.

Therefore, it is necessary to improve the previous technology to overcome the above drawbacks.

The technical problem to be solved by the present invention is to provide an electrical connector and an electrical connector assembly, which realizes welding of the mask sheet to the surface of the external circuit board and improves the grounding effect.

To achieve the above technical purpose, the present invention can use the following technical solution: an electrical connector that can be mounted on an external circuit board, the electrical connector including an insulative housing, a plurality of conductive terminals and a cover sheet housed in the insulating body The insulative housing includes a mounting surface mounted to the external circuit board and a mating plug for insertion of the mating connector The mask piece is fixed to the insulative housing, and the mask piece is provided with a soldering portion that can be surface soldered to the external circuit board, and the soldering portion and the outer portion when the electrical connector is soldered to the external circuit board The board forms a length of weld line to isolate the mating socket shield as completely as possible.

Compared to prior art mask sheets, the electrical connector of the present invention is provided with a soldering portion that can be soldered to an external circuit board through a mask sheet that can be surface soldered to an external circuit board to be adjacently butted The socket is isolated to facilitate continuous welding over a certain length, effectively improving the grounding effect.

The specific implementation structure is as follows:

The insulative housing has a plurality of mating sockets arranged side by side, and adjacent side sockets are provided with sidewalls extending in the front-rear direction, and the mask sheet comprises an inner mask sheet fixed to the sidewalls.

The inner mask sheet includes a vertically extending front side edge, a rear side edge parallel to the front side edge, a bottom side edge and a top side edge connecting the front side edge and the rear side edge, the top side edge and the back side edge The side edge is provided with a plurality of protrusions, and the mask piece further comprises a cover sheet covering the insulative body, the protrusion passing through the outer mask piece.

The inner mask piece is provided with a recess near the front side edge so that the insulating body has a mechanical connection of a proper strength between adjacent mating sockets.

The electrical connector is an RJ45 type electrical connector.

Another technical problem to be solved by the present invention is to provide an electrical connector assembly that achieves soldering of the mask sheet to the surface of the external circuit board to improve the grounding effect.

To achieve the above technical purpose, the present invention can also use the following technical solution: an electric The connector assembly includes an external circuit board and an electrical connector mounted on the external circuit board, the electrical connector including an insulative housing, a plurality of conductive terminals received in the insulative housing, and a cover sheet, the insulative housing including the mounting a mounting surface to the external circuit board and a mating socket for inserting the mating connector, the mask sheet is fixed to the insulative housing, and the mask sheet is provided with a soldering surface that can be surface soldered to the external circuit board. When the electrical connector is soldered to the external circuit board, the soldering portion forms a certain length of the bonding wire with the external circuit board to isolate the mating socket mask as completely as possible, and the external circuit board includes the masking piece The conductive portion of the welded portion is welded.

Compared with the mask sheet of the prior art, the mask piece on the electrical connector assembly of the present invention is provided with a soldering portion which can be surface soldered to the external circuit board, and the soldering portion can be surface soldered to the external circuit board to The adjacent butt socket is shielded and separated for continuous welding over a certain length. The external circuit board includes a conductive sheet welded to the welded portion of the mask sheet, which effectively improves the grounding effect.

The specific implementation structure is as follows:

The insulative housing has a plurality of mating sockets arranged side by side, and adjacent side sockets are provided with sidewalls extending in the front-rear direction, and the mask sheet comprises an inner mask sheet fixed to the sidewalls.

The inner mask sheet includes a vertically extending front side edge, a rear side edge parallel to the front side edge, a bottom side edge and a top side edge connecting the front side edge and the rear side edge, the top side edge and the back side edge The side edge is provided with a plurality of protrusions, and the mask piece further comprises a cover sheet covering the insulative body, the protrusion passing through the outer mask piece.

The inner mask piece is provided with a recess near the front side edge so that the insulating body has a mechanical connection of a proper strength between adjacent mating sockets.

The electrical connector is an RJ45 type electrical connector.

100‧‧‧Electrical connector assembly

1‧‧‧Electrical connector

10‧‧‧Insulated body

101‧‧‧ front end

103‧‧‧ rear end face

105‧‧‧ top surface

107‧‧‧Docking socket

11‧‧‧Outer mask

112‧‧‧ top surface

113‧‧‧ front surface

114‧‧‧Back surface

115‧‧‧ both sides

116‧‧‧ openings

117‧‧‧ plug interface

118‧‧‧Instruction interface

119‧‧‧ pins

15‧‧‧Inner mask

152‧‧‧ front side

153‧‧‧ rear side

155‧‧‧ top side

154‧‧‧ bottom side

1541‧‧‧Welding Department

156‧‧‧ bumps

16‧‧‧Lighting device

161‧‧‧ indicator light

162‧‧‧Electrical pins

17‧‧‧Positioning column

18‧‧‧Installation surface

19‧‧‧ side wall

2‧‧‧External circuit board

21‧‧‧Conductor

22‧‧‧Positioning holes

24‧‧‧First welding hole

26‧‧‧Second welding hole

3‧‧‧ containment chamber

The first figure is a perspective view of an electrical connector assembly in accordance with the present invention.

The second figure is a partially exploded view of the first electrical connector assembly.

The third figure is an exploded view of the first electrical connector assembly.

The fourth figure is an exploded view of another view of the electrical connector assembly of the third figure.

Figure 5 is a cross-sectional view of the first electrical connector assembly taken along the A-A direction.

Referring to the first through fifth figures, an electrical connector assembly 100 in accordance with the present invention is disclosed that includes an external circuit board 2 and an electrical connector 1 mounted on the external circuit board 2. The electrical connector 1 includes an insulative housing 10 , a plurality of conductive terminals (not shown) received in the insulative housing 10 , and a mask sheet soldered to the external circuit board 2 .

Referring to the second to fourth figures, the insulative housing 10 is provided with a front end surface 101 for mating connector (not shown), a rear end surface 103 opposite to the front end surface 101, and a front end surface 101 and rear. The top end surface 105 of the end surface 103 is recessed rearwardly with a mating socket 107 for mating engagement of a mating connector (not shown), and the mating sockets 107 are arranged in a row. In addition, the bottom end of the front end surface 101 is provided with two receiving cavities 3 for receiving the light-emitting device 16. The insulative housing 10 further includes a mounting surface 18 mounted to the outer circuit board 2, the mounting surface 18 being provided with a plurality of positioning posts 17 for positioning the outer circuit board 2.

The external circuit board 2 is provided with a plurality of first soldering holes 24, a second soldering hole 26, a positioning hole 22 for accommodating the positioning post 17, and a conductive sheet 21 soldered to the mask sheet.

A side wall 19 is provided between the mating sockets 107. The mask sheet includes an inner mask sheet 15 fixed to the side wall 19, and the inner mask sheet 15 has a flat shape including a vertically extending front side 152. a rear side 153 parallel to the front side 152, a bottom side 154 and a top side 155 connecting the front side 152 and the rear side 153, and the bottom side 154 is provided with a welded portion 1541, The soldering portion 1541 is soldered to the conductive sheet 21 on the external circuit board 2. The soldering portion 1541 of the inner mask sheet 15 extends in the mating direction for the inner mask sheet 15 to block magnetic interference between adjacent mating sockets 107; the inner mask sheet 15 is adjacent to the front side edge 152 The inward recesses are such that there is a suitable strength mechanical connection between the insulative housing 10 adjacent the mating sockets 107. When assembled, the front side 152 of the inner cover sheet 15 is inserted into the side wall 19 of the mating socket 107 adjacent to the insulative housing 10. The top side 155 and the rear side 153 of the inner mask sheet 15 are further provided with a plurality of protrusions 156, and the mask sheet further comprises an outer mask sheet 11 covering the insulative housing 10, the protrusions 156 passing through Outer mask sheet 11.

The outer cover sheet 11 includes a top surface 112, a front surface 113, a rear surface 114, and two side surfaces 115. The front surface 113 and the rear surface 114 are each provided with a plurality of openings 116 for mating with the front side 152 of the inner mask piece 15 and the protrusion 156 of the rear side 153. The front surface 113 further includes a plug interface 117 for receiving the RJ45 electrical connector and an indication interface 118 for receiving the light emitting device 16. The outer cover sheet 11 is electrically connected to the outer circuit board 2, and the two side surfaces 115 of the outer mask sheet 11 are provided with pins 119 extending downwardly for connection with the external circuit board 2, the pins The first soldering holes 24 soldered to the outer circuit board 2 are such that the outer circuit board 2 and the electrical connector 1 are better held together to enhance the masking effect of the electrical connector 1.

The illuminating device 16 is configured to display an operating state of the device, and includes an indicator light 161 and a plurality of conductive pins 162. The conductive pins 162 are arranged on the external circuit board 2 The second welding holes 26 are fitted.

Referring to FIG. 5, the solder portion 1541 on the bottom side 154 of the inner mask sheet 15 is flush or beyond the mounting surface 18 mounted on the external circuit board 2 so as to be electrically conductive with the outer circuit board 2. 21 Surface welding to improve the grounding effect.

In summary, this creation has indeed met the requirements of the invention patent, and filed a patent application according to 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 assembly

1‧‧‧Electrical connector

2‧‧‧External circuit board

Claims (8)

An electrical connector mountable on an external circuit board, the electrical connector comprising: an insulative housing comprising a mounting surface mounted to an external circuit board and a plurality of juxtaposed arrangements for insertion of the mating connector a mating socket, a side wall extending in the front-rear direction between adjacent butting sockets; a plurality of conductive terminals, the conductive terminals are received in the insulating body; and a mask piece, the mask piece is fixed to the insulating body, the cover The cover sheet includes an inner mask piece fixed to the side wall, the inner mask piece including a vertically extending front side edge, a rear side edge parallel to the front side edge, and a bottom side connecting the front side edge and the rear side edge a side edge and a top side, and the bottom side of the inner mask sheet is provided with a soldering portion surface solderable to the external circuit board, and the soldering portion and the external circuit when the electrical connector is soldered to the external circuit board The plates form a length of weld line to isolate the aforementioned mating socket cover as completely as possible. The electrical connector of claim 1, wherein the top side and the rear side of the inner mask sheet are provided with a plurality of protrusions, and the mask sheet further comprises a cover outer covering the insulating body. a sheet that passes through the outer mask sheet. The electrical connector of claim 2, wherein the inner mask sheet is provided with a recess near the front side edge such that the insulating body has a mechanical connection of a suitable strength between the adjacent mating sockets. The electrical connector of claim 1, wherein the electrical connector is an RJ45 electrical connector. An electrical connector assembly comprising: an external circuit board; and an electrical connector mounted on an external circuit board, the electrical connector comprising: The insulative housing comprises a mounting surface mounted on the external circuit board and a plurality of mating sockets arranged side by side for insertion of the pair of connectors, and a side wall extending in the front-rear direction between the adjacent mating sockets; the plurality of conductive terminals The conductive terminal is received in the insulating body; and the mask sheet is fixed to the insulating body, the mask sheet includes an inner mask sheet fixed to the sidewall, the inner mask sheet includes a vertical panel a straight side front side, a rear side opposite to the front side, a bottom side and a top side connecting the front side and the rear side, and the bottom side of the inner mask is surface-welded To the soldering portion on the external circuit board, when the electrical connector is soldered to the external circuit board, the soldering portion forms a certain length of bonding wire with the external circuit board to isolate the mating socket mask as completely as possible, The outer circuit board includes a conductive sheet that is soldered to the solder portion of the mask sheet. The electrical connector assembly of claim 5, wherein the top side and the rear side of the inner mask sheet are provided with a plurality of protrusions, and the mask sheet further comprises a covered insulating body covering a cover sheet that passes through the outer mask sheet. The electrical connector assembly of claim 6, wherein the inner mask sheet is provided with a recess near the front side edge such that the insulating body has a suitable strength mechanical connection between the adjacent mating sockets. The electrical connector assembly of claim 5, wherein the electrical connector is an RJ45 type electrical connector.