CN202474435U - Electric connector - Google Patents

Abstract

An electrical connector includes an insulating body, several conductive terminals accommodated in the insulating body, a metal shell mounted on the insulating body and several inner grounding pieces, the metal shell includes at least one slot and protruding A pair of contact arms, the inner ground piece includes a pair of shrapnel inserted into the slot, and each shrapnel presses against the corresponding contact arm; when pressing, the two can elastically contact each other to improve the contact effect and when pressing The deformation is limited to the contact arm area, and reducing the deformation will not affect the appearance of the metal shell.

Description

electrical connector

【Technical field】

The utility model relates to an electric connector, in particular to an electric connector capable of realizing high-speed transmission.

【Background technique】

Please refer to Chinese Utility Model Patent No. 201868665 published on June 15, 2011, which discloses an electrical connector, which includes an insulating body, several terminal modules installed in the insulating body and arranged horizontally, and a set The shielding sheet in the insulating body, the shielding sheet is arranged between adjacent terminal modules, and the provided shielding sheet is inserted and installed in the insulating body. The shielding sheet is not fully connected to the shielding case, and does not have a better shielding effect.

As another example, U.S. Patent No. 7,452,216 published on November 8, 2008 discloses a socket assembly for a transceiver module, which includes a housing assembly, a connector, and the housing assembly is divided into two parts by a partition wall. Two receiving and receiving chambers, the shrapnel of the partition wall and the surface of the cover assembly are riveted to match the two; when the shrapnel is not pressed deeply, the shrapnel must have a rebound phenomenon, resulting in poor contact effect, and when the pressing is too deep The deformation of this mechanism will be distributed in a large area of the front surface of the outer ground sheet, which will have an image on the appearance and make the surface of the outer ground sheet abnormal.

Therefore, it is necessary to improve the existing technology to overcome the above-mentioned defects.

【Content of utility model】

The technical problem to be solved by the utility model is to provide an electric connector with better shielding effect.

In order to achieve the above technical purpose, the utility model electrical connector can use the following technical solutions: an electrical connector, including an insulating body, several conductive terminals accommodated in the insulating body, and a metal shell and digital terminals mounted on the insulating body. An inner ground piece, the metal shell includes at least one slot and a pair of protruding contact arms, the inner ground piece includes a pair of elastic pieces inserted into the slot, and each elastic piece presses against the corresponding contact arm.

The insulating body has several docking sockets arranged side by side along the left and right directions, side walls extending in the front and rear directions are arranged between the docking sockets, and the inner grounding piece is arranged in the side walls.

The slot is arranged in an H shape on the top surface of the metal shell, and each pair of contact arms is arranged along a left-right direction perpendicular to a front-rear direction.

The metal shell covers the insulating body, and two sides of the metal shell are provided with several pins.

The inner ground sheet is provided with a welding portion that can be welded to the circuit board, and the welding portion is located at the edge of the inner ground sheet and extends continuously along a straight line.

The inner ground sheet includes a vertically extending front side, a rear side parallel to the front side, a bottom side and a top side connecting the front side and the rear side, and the front side of the inner ground sheet The dimension is smaller than the dimension of the rear side so as to facilitate the mechanical connection between the adjacent mating sockets of the insulating body.

The elastic piece includes a main body protruding upward along the top side of the inner ground piece and two ends bent from the main body to the left and right directions respectively, and the ends are elastically connected to the corresponding contact arms.

Compared with the prior art, the utility model has the following effects: the metal shell includes at least one slot and a pair of protruding contact arms, the inner ground piece includes a pair of elastic pieces inserted into the slot, and each elastic piece is pressed against On the corresponding contact arm; when pressing, the two can elastically contact each other to improve the contact effect.

The electrical connector of the utility model can also use the following technical solutions: an electrical connector, including an insulating body, several conductive terminals accommodated in the insulating body, and a metal shell installed on the insulating body; the metal shell includes a Several slots on the top surface and contact arms arranged along the left and right directions and protruding out; the electrical connector further includes several inner grounding pieces extending along the front and rear directions, the inner grounding pieces include top sides, and are arranged on Several elastic pieces on the top side, the elastic pieces include a main body protruding upward along the top side of the inner ground piece and two ends bent from the main body to the left and right directions respectively, and the ends of the elastic pieces are pressed against Corresponding contact arm.

Each slot of the metal shell is provided with two adjacently arranged contact arms, and the contact arms extend obliquely upward along the direction of the slot.

The insulating body is provided with several docking sockets arranged side by side along the left and right directions and several side walls formed between the docking sockets, and the inner grounding pieces are accommodated in the corresponding side walls.

Compared with the prior art, the utility model has the following effects: the metal shell includes several slots arranged on its top surface and contact arms arranged along the left and right directions and protruding out; the electrical connector further includes Several inner ground sheets extending in the front and rear directions, the inner ground sheet includes a top side, and several elastic pieces are arranged on the top side, and the elastic piece includes a main body protruding upward along the top side of the inner ground piece and a main body formed by the main body The ends of the shrapnel are respectively bent to the left and right directions, and the ends of the elastic pieces are pressed against the corresponding contact arms; when pressing, the two can elastically contact each other to improve the contact effect, and the deformation during pressing is limited to the contact arm In the arm area, the deformation is reduced and the appearance of the metal shell is not affected.

【Description of drawings】

Figure 1 is a perspective view of an electrical connector in accordance with the present invention;

Fig. 2 is a partial exploded view of the electrical connector shown in Fig. 1;

Fig. 3 is an exploded view of the electrical connector shown in Fig. 1;

Fig. 4 is an exploded view of the electrical connector shown in Fig. 3 from another perspective;

Fig. 5 is a cross-sectional view of the electrical connector shown in Fig. 1 along the direction A-A;

FIG. 6 is a partially enlarged view of the joint area of the contact arm of the metal housing of the electrical connector shown in FIG. 5 and the elastic piece of the inner ground plate.

[Description of main component symbols]

electrical connector 1 Insulation body 10 Front face 101 containment cavity 102 rear face 103 top face 105 docking socket 107 metal case 11 shrapnel 110 top surface 111 bottom surface 112 front surface 113 back surface 114 sides 115 slot 116 contact arm 1161, 1162 plug interface 117 Indication interface 118 Pin 119 Inner ground piece 15 front side 152 rear side 153 bottom side 154 welding part 1541 top side 155 shrapnel 156 Main body 1560 the end 1561, 1562 positioning post 17 Mounting surface 18 side wall 19 Conductive terminal 2

The following specific embodiments will further illustrate the utility model in conjunction with the above-mentioned accompanying drawings.

【Detailed ways】

As shown in FIG. 1 , an electrical connector 1 of the present invention is disclosed, which is suitable for being mounted on a circuit board. The electrical connector 1 includes an insulating body 10 , a plurality of conductive terminals 2 accommodated in the insulating body 10 , a metal shell 11 mounted on the insulating body 10 and a plurality of inner grounding plates 15 .

As shown in Figures 2 to 5, the insulating body 10 is provided with a front end face 101 for mating connectors (not shown), a rear end face 103 opposite to the front end face 101, and a rear end face 103 connecting the front end face 101 to the rear end face. On the top surface 105 of the end surface 103 , the front end surface 101 is concavely provided with mating sockets 107 along the front and back directions for insertion and mating of the mating connectors, and the docking sockets 107 are arranged in a row along the left and right directions. In addition, two accommodating cavities 102 are recessed from the upper direction of each docking socket 107 for accommodating corresponding light emitting devices. A side wall 19 is provided between the adjacent docking sockets 107 of the insulating body 10. The side wall 19 extends in the front and back directions and exceeds the rear end surface 103 backwards. The side wall 19 is used to accommodate the inner ground plate 15 to weaken the adjacent docking Magnetic interference between sockets 107. The insulating body 10 also includes a mounting surface 18 mounted on an external circuit board, and several positioning posts 17 for positioning the circuit board are also provided on the mounting surface 18 .

The inner ground sheet 15 is flat and includes a vertically extending front side 152, a rear side 153 parallel to and opposite to the front side 152, a bottom side 154 connecting the front side 152 and the rear side 153 and Top side 155. The size of the front side 152 of the inner ground piece 15 is smaller than the size of the rear side 153 of the inner ground piece 15 , so as to facilitate the mechanical connection between the adjacent mating sockets 107 of the insulating housing 10 . Several elastic pieces 156 are disposed on the top side 155 of the inner ground piece 15 . The elastic piece 156 includes a main body 1560 extending upward along the top side 155 and two ends 1561 , 1562 respectively bent left and right on the upper end of the main body 1560 . When assembling, insert the side wall 19 of the docking socket 107 adjacent to the insulative housing 10 from the front side 152 of the inner ground piece 15 . The bottom side 154 is provided with a welding portion 1541 . The welding portion 1541 is an edge of the ground plate and is welded to the circuit board along a straight line, so as to block the magnetic interference between adjacent docking sockets 107 .

The metal shell 11 covers the insulating body 10 , and the metal shell 11 includes a top surface 111 , a bottom surface 112 , a front surface 113 , a rear surface 114 and two side surfaces 115 . The top surface 111 , the bottom surface 112 and the side surfaces 115 are connected with the front surface 113 to have a plurality of elastic pieces 110 arranged side by side. The top surface 111 is provided with several H-shaped slots 116, and is provided with two contact arms 1161, 1162 extending obliquely upwards for elastic connection with the corresponding elastic piece 156 on the front side 152 of the inner ground piece 15, The H-shape of the slot 116 can improve the elasticity of the contact arms 1161 , 1162 to a greater extent than other shapes. The front surface 113 also includes a plug interface 117 for accommodating an RJ45 electrical connector and an indication interface 118 for accommodating a light emitting device (not shown). The two sides 115 of the metal shell 11 are provided with pins 119 extending downwards for connecting with the circuit board, so that the metal shell 11 can be electrically connected to the external circuit board, and the metal shell 11 is also The electrical connection with the external circuit board can be realized by surface soldering or other methods.

As shown in Figure 6, the elastic piece 156 on the front side 152 of the inner ground piece 15 protrudes from the slot 116, and the ends 1561, 1562 of the elastic piece 156 correspond to the top surface 111 of the metal shell 11 The contact arms 1161, 1162 can be elastically connected to each other when they are pressed together, thereby improving the contact effect.

Claims (10)

1. electric connector; Comprise insulating body, be contained in several conducting terminals in the insulating body and be installed on metal shell and several the interior ground strips on the insulating body; It is characterized in that: metal shell comprises at least one slit and a pair of contact arm that protrudes out; Interior ground strip comprises a pair of shell fragment that inserts slit, and each shell fragment presses on the corresponding contact arm.

2. electric connector as claimed in claim 1 is characterized in that: said insulating body have several along left and right directions be set up in parallel to plug receptacle, said to being provided with the sidewall that fore-and-aft direction extends between the plug receptacle, said in ground strip be arranged in the said sidewall.

3. electric connector as claimed in claim 1 is characterized in that: said slit is H shape and is arranged at the metal shell end face, said each to contact arm along arranging perpendicular to the left and right directions of fore-and-aft direction.

4. electric connector as claimed in claim 1 is characterized in that: said metal shell is coated on insulating body, and the dual-side of said metal shell is provided with several pins.

5. electric connector as claimed in claim 2 is characterized in that: ground strip is provided with the weld part that can be welded on the circuit board in said, and said welding position extends in the edge of interior ground strip and along straight line continuously.

6. electric connector as claimed in claim 5; It is characterized in that: in said ground strip comprise vertical extension front side edge, parallel relative back side edge with front side edge, connect the bottom side and the limit, top side of front side edge and back side edge, the size of said interior ground strip front side edge less than the size of back side edge so that insulating body is adjacent to the mechanical connection between the plug receptacle.

7. electric connector as claimed in claim 6; It is characterized in that: said shell fragment comprises the main part that upwards stretches out on the limit, top side of ground strip in said and by main part two ends of direction bending to the left and right respectively, said end and corresponding contact arm elasticity connection.

8. electric connector; Comprise insulating body, be contained in several conducting terminals in the insulating body and be installed on the metal shell on the insulating body, it is characterized in that: metal shell comprises several slits that are arranged at its end face and the contact arm of arranging and protruding out along left and right directions; Said electric connector further comprises ground strip in several that extend along fore-and-aft direction; Interior ground strip comprises the limit, top side; Be arranged at several shell fragments on limit, top side; Said shell fragment comprises the main part that upwards stretches out on the limit, top side of ground strip in said and by main part two ends of direction bending to the left and right respectively, the end of said shell fragment presses on corresponding contact arm.

9. electric connector as claimed in claim 8 is characterized in that: each slit of said metal shell is provided with two vicinities contact arm of arranging, and said contact arm extends along said slit direction obliquely.

10. electric connector as claimed in claim 8 is characterized in that: said insulating body be provided with several along left and right directions be set up in parallel to plug receptacle and be formed at several sidewalls between plug receptacle, said in ground strip be contained in corresponding side walls.

Images