TWI492459B - Socket Connector - Google Patents

Description

Socket connector

The present invention relates to a socket connector, and more particularly to a socket connector mounted on a circuit board.

With the rapid development of electronic technology, electrical connectors are widely used in electronic products to exchange information, data, and the like with external devices. The electrical connector generally includes an insulating body, a terminal received in the insulating body, and a shielding case covering the outside of the insulating body. The soldering legs of the aforementioned terminals extend from the insulating body to be soldered to the circuit board.

In order to meet the requirements of stable transmission signal transmission and high transmission efficiency of electronic products, it is necessary to ensure that the docking stability of the electrical connector is strong, and the assembly accuracy of the electrical connector is very important. If the electrical connector is assembled incorrectly, not only the electrical connector and the docking connector can be docked when the electrical connector is docked, but also the electrical connector may be damaged. However, the structure of the existing RJ45 socket connector is mostly a structure of a shielded shell full-package or a two-piece shield shell, so that the assembly is complicated and the assembly is easy.

In view of this, it is necessary to further improve the existing RJ45 socket connector to solve the above problems.

It is an object of the present invention to provide a receptacle connector that is simple in construction and easy to assemble.

To achieve the above object, the present invention is directed to a socket connector that is mounted on a circuit board for mating with a plug connector, and includes:

The insulative housing has a mating surface that abuts the plug connector and a mounting surface that is disposed opposite the mating surface, and the terminal receiving slot penetrates from the mating surface to the mounting surface;

a conductive terminal, wherein the conductive terminal is correspondingly received in the terminal receiving groove, and the conductive terminal includes a contact portion electrically connected to the plug connector, a terminal tail portion electrically connected to the circuit board, and a connection between the contact portion and the terminal tail portion Holding unit;

a shielding housing, the shielding housing covering the outer side of the insulative housing, the shielding housing comprising a base portion and a limiting portion extending downward from both sides of the base portion;

The shielding case further includes an elastic arm extending from one side of the limiting portion toward the inner side of the shielding case, and the insulating body defines a mounting groove that communicates with the terminal receiving groove, and the elastic arm is fixedly received. In the aforementioned installation slot.

According to a further improvement of the present invention, the holding portion has a flat shape, and the contact portion extends obliquely downward from one end of the holding portion and is at an angle of 45 degrees with the holding portion.

According to a further improvement of the present invention, the mounting surface is provided with a plurality of openings, and the plurality of openings communicate with the terminal receiving groove to receive the conductive terminals.

As a further improvement of the present invention, the insulative housing comprises a top wall, a bottom wall opposite to the top wall, and two side walls connecting the top wall and the bottom wall, the mounting groove is open to the top wall and the side wall, and the foregoing installation The groove is formed to recess from the top wall toward the bottom wall.

According to a further improvement of the present invention, a groove is formed in the inner side of the top wall of the insulative housing, and the channel communicates with the opening and the terminal receiving groove to receive the holding portion of the conductive terminal.

According to a further improvement of the present invention, the elastic arm includes a first elastic arm extending from a side of the limiting portion and extending perpendicular to the limiting portion, and extending from the end of the first elastic arm toward the limiting portion. Second elastic arm.

As a further improvement of the present invention, the shielding housing further includes a limiting piece extending vertically downward from the limiting portion and located under the first elastic arm, and the first elastic arm is received in the mounting slot. The second elastic arm protrudes into the terminal receiving groove from the mounting slot.

Further, a gap is left between the aforementioned limit piece and the first elastic arm of the present invention.

As a further improvement of the present invention, a convex block is protruded from a sidewall of the insulating body, and the protruding block is disposed adjacent to the abutting surface, and a limiting slot is disposed between the protruding block and the sidewall to receive the limiting piece.

According to a further improvement of the present invention, the socket connector further includes a proof member housed in the insulating body, and the anti-staying member protrudes into the terminal receiving groove from the bottom wall of the insulating body.

The socket connector of the present invention is provided with a base portion on the shielding case, a limiting portion that is bent downwardly from both sides of the base portion, and a spring arm that is bent and extended from the side of the limiting portion toward the inside of the shielding housing. At the same time, a mounting groove is formed in the insulating body to communicate with the terminal receiving groove for receiving the conductive terminal, so that the elastic arm can be fixedly received in the mounting groove, and when assembling the socket connector of the present invention, the foregoing The elastic arms are assembled into the aforementioned mounting slots in the up and down direction, which is simple and convenient.

The first figure is a perspective view of the socket connector of the present invention.
The second figure is an exploded view of the receptacle connector shown in the first figure.
The third figure is a perspective view of the insulative body shown in the second figure.
The fourth figure is another perspective view of the insulating body shown in the third figure.
The fifth figure is a top view of the insulative body shown in the third figure.
Figure 6 is a perspective view of the conductive terminals shown in the second figure.
The seventh drawing is a perspective view of the shielding case shown in the second figure.
The eighth figure is a perspective view of the anti-detention piece shown in the second figure.

Referring to the first and second figures, the receptacle connector 100 of the present invention is for soldering to a circuit board (not shown) and can be mated with a corresponding plug connector (not shown). The socket connector 100 includes an insulative housing 10 , a conductive terminal 20 received in the insulative housing 10 , and a shielding case 30 covering the outside of the insulative housing 10 .

As shown in the second to fifth figures, the insulative housing 10 includes an abutting surface 11 that abuts the plug connector, four side walls disposed adjacent to the abutting surface 11 , and a side opposite to the abutting surface 11 . Mounting surface 12. The four side walls are respectively a top wall 13, a bottom wall 14 disposed opposite the top wall 13, and two side walls 15 connecting the top wall 13 and the bottom wall 14.

A terminal receiving groove 16 for receiving the conductive terminal 20 is defined in the insulative housing 10, and the terminal receiving groove 16 is recessed from the mating surface 11 toward the mounting surface 12, and penetrates the mating surface 11 and the mounting surface 12 forward and backward. A plurality of openings 121 are formed in the mounting surface 12, and the plurality of openings 121 communicate with the terminal receiving grooves 16 to accommodate the conductive terminals 20.

A channel 131 is recessed inside the top wall 13 of the insulative housing 10, and the channel 131 communicates with the opening 121 and the terminal receiving groove 16 respectively. A bump 151 is disposed on each of the sidewalls 15 of the insulative housing 10 , and the bump 151 is disposed adjacent to the mating surface 11 , and a limiting slot 152 is defined between the bump 151 and the sidewall 15 . Blocks 153 are respectively disposed on the two side walls 15 of the insulative housing 10, and the latching blocks 153 are configured to cooperate with the shielding housing 30, so that the shielding housing 30 can be restrained from being separated from the insulative housing 10, thereby ensuring The assembly stability of the aforementioned socket connector 100.

The insulative housing 10 further defines a mounting slot 17 communicating with the terminal receiving slot 16 . The mounting slot 17 is open to the top wall 13 and the sidewall 15 , and the mounting slot 17 extends from the top wall 13 toward the bottom wall. 14 depressions formed. In the embodiment, the insulating body 10 is provided with two mounting grooves 17 disposed opposite to each other.

The bottom wall 14 of the insulative housing 10 is provided with two symmetrically disposed latching slots 141. The latching slots 141 are recessed from the bottom wall 14 toward the top wall 13 and are respectively disposed adjacent to the two side walls 15. The card slot 141 partially penetrates the bottom wall 14 and communicates with the terminal receiving groove 16 . In the present invention, the terminal receiving groove 16 penetrates the bottom wall 14 up and down close to one side of the mating surface 11, and the terminal receiving groove 16 has a substantially inverted cross section.

The opening 121 extends from the top to the bottom along the mounting surface 12, and the opening 121 has a substantially T-shaped cross section. A plurality of positioning spacers 122 are protruded from the mounting surface 12 along the opposite direction of the mating connector 100 and the mating connector. The plurality of positioning spacers 122 are located below the opening 121, and the two adjacent positioning compartments are adjacent to each other. A groove 123 is recessed between the columns 122, and the groove 123 communicates with the opening 121 and the terminal receiving groove 16 respectively, so that the conductive terminal 20 can be received and limited.

Referring to FIG. 6 and the second to fifth figures, the conductive terminals 20 are correspondingly received in the terminal receiving grooves 16 . Each of the conductive terminals 20 includes a contact portion 21 electrically connected to the plug connector, a terminal tail portion 23 electrically connected to the circuit board, and a holding portion 22 connecting the contact portion 21 and the terminal tail portion 23.

The holding portion 22 has a flat shape, and the contact portion 21 extends obliquely downward from one end of the holding portion 22 and is substantially at an angle of 45 degrees with respect to the holding portion 22, and the terminal tail portion 23 extends vertically from the other end of the holding portion 22, and The aforementioned terminal tail portion 23 is provided in a Z shape. The contact portion 21 is received in the terminal receiving groove 16 , the holding portion 22 is received in the channel 131 , and the terminal tail portion 23 passes through the opening 121 and is partially confined in the groove 123 , and the terminal tail portion 23 The end extends beyond the insulative housing 10 to facilitate soldering to the aforementioned circuit board.

The two sides of the holding portion 22 are respectively formed with barbs 221, so that the holding portion 22 can be confined in the channel 131 by the interference fit of the barbs 221 and the grooves 131. The terminal tail portion 23 includes a first portion 231 extending vertically from the holding portion 22, a second portion 232 extending from the end of the first portion 231 along the length of the holding portion 22, and the second portion 232 The third portion 233 extends vertically from the end, and the first portion 231 extends through the opening 121. The second portion 232 is received in the recess 123, and the third portion 233 extends beyond the insulative body. 10.

In the present embodiment, the conductive terminal 20 includes a first terminal 201 and a second terminal 202 spaced apart from the first terminal 201. The first terminal 201 and the second terminal 202 are the same in structure and shape, and the difference between the two is that the length of the second portion 232 of the terminal tail portion 23 of the first terminal 201 is smaller than the second terminal 202. The length of the second portion 232 of the terminal tail portion 23 is such that when the conductive terminals 20 are aligned, the terminal tail portion 23 of the first terminal 201 and the terminal tail portion 23 of the second terminal 202 are arranged in two rows. It is ensured that the aforementioned socket connector 100 is firmly soldered to the aforementioned circuit board.

Referring to the seventh embodiment and the second to sixth figures, the shielding housing 30 includes a base portion 31, a limiting portion 32 bent downwardly from both sides of the base portion 31, and a portion from the limiting portion 32. The elastic arm 33 is bent to extend toward the inner side of the shielding case 30. The base portion 31 and the limiting portion 32 are shielded on the outer surface of the insulative housing 10, and the elastic arm 33 is disposed adjacent to the mating surface 11 and is fixedly received in the mounting groove 17.

The first elastic arm 331 extending from the side of the limiting portion 32 in the direction perpendicular to the limiting portion 32 and the first extending from the end of the first elastic arm 331 away from the limiting portion 32 Two elastic arms 332. The first elastic arm 331 is received in the mounting groove 17, and the second elastic arm 332 protrudes into the terminal receiving groove 16 from the mounting groove 17.

A rectangular receiving hole 321 is defined in the limiting portion 32. The locking block 153 is received in the receiving hole 321 to restrict the shielding housing 30 from being separated from the insulating body 10, thereby ensuring the socket connector 100. Assembly stability. The shielding shell 30 further includes a limiting piece 34 extending vertically downward from the limiting portion 32 and located below the first elastic arm 331 . The limiting piece 34 is received in the limiting slot 152 . A gap is left between the stopper piece 34 and the first elastic arm 331 and between the first elastic arm 331 and the stopper portion 32.

Referring to the second and eighth figures, the socket connector 100 further includes a foolproof member 40 housed in the insulative housing 10, an LED lamp 50, and an LED back cover 60 for supporting the LED lamp 50. The anti-depression member 40 is received in the card slot 141 and partially protrudes into the terminal receiving groove 16 .

The above-mentioned foolproof member 40 includes a flat portion 41 having a flat shape, an elastic portion 42 projecting outward from one end of the flat portion 41, and a protruding portion 43 projecting outward from the other end of the flat portion 41. The elastic portion 42 has a convex shape and elasticity, and the protruding portion 43 is disposed perpendicular to the flat portion 41 such that the protruding portion 43 is combined with the flat portion 41 to form an L shape. The flat portion 41 is housed in the card slot 141, and the protruding portion 43 is received in the insulative housing 10.

The elastic portion 42 protrudes into the terminal receiving groove 16 from the latching groove 141, and a rib 421 protrudes from a side of the elastic portion 42 so as to protrude from the latching groove 141 at the elastic portion 42. When the ribs 421 are inserted into the terminal receiving slots 16, the ribs 421 can be engaged with the inner side walls of the card slot 141 to restrict the movement of the damper member 40 back and forth in the card slot 141, thereby connecting the socket connector 100 to the docking connector. When the device is docked, the elastic portion 42 can prevent the mating connector from being inserted incorrectly. The elastic portion 42 can function as a foolproof and has good stability.

In summary, the socket connector 100 of the present invention is provided with the elastic arm 33 which is bent and extended from the side of the limiting portion 32 toward the inner side of the shielding housing 30, and is insulated at the same time. A mounting groove 17 is defined in the main body 10, so that the elastic arm 33 can be fixedly received in the mounting groove 17, and when the socket connector 100 of the present invention is assembled, the elastic arm 33 can be directly inserted into the mounting groove 17 in the up and down direction. Inside, simple and convenient.

It is to be understood that the equivalents of the invention are intended to be included within the scope of the invention as claimed.

Claims (1)

a socket connector, which is mounted on a circuit board for docking with a plug connector, and includes: an insulative housing; the insulative housing has an abutting surface that is mated with the plug connector and a mounting surface opposite to the mating surface; The terminal receiving groove penetrates from the abutting surface to the mounting surface; the conductive terminal, the conductive terminal is correspondingly received in the terminal receiving groove, and the conductive terminal includes a contact portion electrically connected to the plug connector, and is electrically connected to the circuit board a terminal tail portion and a retaining portion connecting the contact portion and the terminal tail portion; and a shielding shell covering the outer side of the insulating body, the shielding shell including a base portion and bending downward from both sides of the base portion The extending portion includes a spring arm extending from one side of the limiting portion toward the inner side of the shielding shell, and the insulating body is provided with a mounting slot communicating with the terminal receiving groove The elastic arm is fixedly received in the mounting groove.

2. The socket connector according to claim 1, wherein the holding portion has a flat shape, and the contact portion extends obliquely downward from one end of the holding portion and is at an angle of 45 degrees with the holding portion.

3. The socket connector of claim 1, wherein the mounting surface is provided with a plurality of openings, and the plurality of openings communicate with the terminal receiving groove to receive the conductive terminals.

4. The socket connector of claim 3, wherein the insulative housing comprises a top wall, a bottom wall disposed opposite the top wall, and two side walls connecting the top wall and the bottom wall, the mounting slot opening The top wall and the side wall, and the mounting groove is formed to be recessed from the top wall toward the bottom wall.

5. The socket connector of claim 4, wherein a groove is recessed inside the top wall of the insulating body, and the channel is respectively communicated with the opening and the terminal receiving groove to receive the holding portion of the conductive terminal. .

6. The socket connector of claim 4, wherein the elastic arm includes a first elastic arm extending from a side of the limiting portion and extending perpendicular to the limiting portion, and the first elastic arm The end is a second elastic arm extending away from the aforementioned limiting portion.

7. The socket connector of claim 6, wherein the first elastic arm is received in the mounting groove, and the second elastic arm protrudes into the terminal receiving groove from the mounting groove.

8. The socket connector of claim 6, wherein the shielding housing further comprises a limiting piece extending vertically downward from the limiting portion and located below the first elastic arm, and the foregoing limit There is a gap between the sheet and the aforementioned first elastic arm.

9. The socket connector of claim 8, wherein a convex block is convexly disposed on a sidewall of the insulating body, the protruding block is disposed adjacent to the abutting surface, and a limiting slot is left between the protruding block and the sidewall For accommodating the aforementioned limit piece.

10. The socket connector of claim 4, wherein the socket connector further comprises a foolproof member received in the insulating body, wherein the foolproof member protrudes into the terminal receiving body from a bottom wall of the insulating body. Inside the slot.