TWI525915B - 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 insulative housing and terminals received in the insulative housing. 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 and high transmission efficiency of electronic products, it is necessary to ensure that the connection stability of the electrical connector is strong. However, the retention between the socket terminal of the existing socket connector and the socket body is poor, so that when the socket connector is docked with the corresponding plug connector, if the plug connector has a large insertion force, the socket of the socket connector The terminal is easily separated from the socket body, which affects the transmission of the signal.

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

It is an object of the present invention to provide a receptacle connector that has better retention of the receptacle connector.

In order to achieve the above object, the present invention relates to a socket connector that is mounted on a circuit board for mating with a plug connector, and includes: an insulative housing, the insulative housing is formed with an abutting surface that is mated with the plug connector, and a mounting surface opposite to the mating surface, a plurality of terminal receiving slots penetrating from the mating surface to the mounting surface; and a conductive terminal, wherein the conductive terminals are correspondingly received in the terminal receiving slot, each of the conductive terminals including the plug connector electrical a connecting portion, a terminal end portion electrically connected to the circuit board, and a holding portion connecting the contact portion and the terminal tail portion; wherein the socket connector further includes a holding seat, and the mounting groove is formed by recessing from the mounting surface of the insulating body, The holder is fixedly received in the mounting groove.

According to a further improvement of the present invention, the plurality of through holes are formed in the holder to correspond to the terminal receiving grooves.

As a further improvement of the present invention, the holding portion of the conductive terminal includes a front holding portion and a rear holding portion.

As a further improvement of the present invention, the rear retaining portion is formed with a barb, and the barb is matched with the inner side of the through hole on the retaining seat to fix the retaining seat and the conductive terminal.

According to a further improvement of the present invention, a partition wall is disposed between the mounting groove and the terminal receiving groove, and the terminal receiving groove forms a plurality of openings in the partition wall.

As a further improvement of the present invention, the conductive terminal front holding portion is interference-fitted to the inner side wall of the opening.

According to a further improvement of the present invention, the rear edge of the front end of the conductive terminal forming portion forms a platform, and when the insulating body receives a force other than the direction of the conductive terminal, the front end surface of the holding seat is locked to the platform.

As a further improvement of the present invention, a plurality of grooves are formed on the front end surface, the left side surface and the right side surface of the holder.

As a further improvement of the present invention, the partition wall of the insulating body is provided with a plurality of heat dissipating grooves, and the heat dissipating groove and the groove form a passage for airflow.

According to a further improvement of the present invention, a plurality of latching arms are formed extending inwardly from the mounting surface, and a plurality of bosses are formed to extend rearward from the retaining seat. When the retaining seat is inserted into the mounting slot, the boss is engaged in the foregoing The snap arm is configured to tightly fix the aforementioned retaining seat on the insulative housing.

The socket connector of the present invention is provided with a holding seat, and a mounting groove is formed from the inner surface of the insulating body mounting surface, so that the holding seat can be fixedly received in the mounting groove, so that the retaining force of the socket connector is better. .

100‧‧‧ socket connector

10‧‧‧Insulated body
11‧‧‧ docking
12‧‧‧Installation surface
121‧‧‧ buckle arm
13‧‧‧ top wall
131‧‧‧First bump
132‧‧‧second bump
14‧‧‧ bottom wall
141‧‧‧ third bump
15‧‧‧ side wall
151‧‧‧ card slot
16‧‧‧Terminal receiving slot
161‧‧‧ openings
17‧‧‧Installation slot
18‧‧‧ partition wall
191‧‧‧First heat sink
192‧‧‧Second heat sink
20‧‧‧Electrical terminals
21‧‧‧Contacts
22‧‧‧ Holding Department
221‧‧‧Pre-holding department
222‧‧‧ After the holding department
223‧‧‧ platform
224‧‧‧ barbed
23‧‧‧Terminal tail
30‧‧‧ 固座
31‧‧‧through hole
32‧‧‧ front end
33‧‧‧left side
34‧‧‧ right side
35‧‧‧ Groove
36‧‧‧Top
37‧‧‧Boss
371‧‧‧Bevel

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 front 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 figure is a perspective view of the holder shown in the second figure.

Referring to the first figure, 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 and a plurality of conductive terminals 20 received in 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 mounting groove 17 is formed inwardly recessed from the mounting surface 12, and a partition wall 18 is disposed between the mounting groove 17 and the terminal receiving groove 16, and the terminal receiving groove 16 defines a plurality of openings 161 in the partition wall 18.

The partition wall 18 is provided with a first heat dissipation groove 191 which is respectively outwardly recessed from the opposite inner side walls of the opening 161. The first heat dissipation groove 191 penetrates the partition wall 18 forward and backward, and is combined with the opening 161 to form a cross. type. The partition wall 18 further defines a second heat dissipating groove 192 extending through the partition wall 18 and communicating with the terminal receiving groove 16 , so that the heat generated by the conductive terminal 20 in the terminal receiving groove 16 can pass through the first The heat dissipation groove 191 and the aforementioned second heat dissipation groove 192 are emitted.

A plurality of snap arms 121 are formed extending inwardly from the mounting surface 12 . The first bump 131 and the second bump 132 are protruded from the top wall 13 of the insulative housing 10 in the height direction of the insulative housing 10. In the embodiment, the first bump 131 is provided. Two of the foregoing second bumps 132 are disposed between the two first bumps 131. The first bump 131 has a substantially U-shaped cross section, and the U-shaped opening faces the mounting surface 12.

The bottom wall 14 of the insulative housing 10 is provided with a third protrusion 141 protruding downward from the bottom wall 14 along the height direction of the insulative housing 10. The third protrusion 141 is also generally U-shaped in cross section, and U-shaped. The opening also faces the mounting surface 12, but the third projection 141 extends beyond the abutting surface 11.

The two side walls 15 are respectively recessed with a card slot 151, and the card slot 151 is opened to the abutting surface 11. In the height direction of the insulative housing 10, the height of the card slot 151 gradually increases from the mounting surface 12 toward the abutting surface 11 such that the card slot 151 is substantially tower-shaped. Further, the socket connector 100 and the plug connector can be connected by the first bump 131, the second bump 132, the third bump 141 and the card slot 151 respectively corresponding to the corresponding plug connector. Stable docking.

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 contact portion 21 and the terminal tail portion 23 are each formed in a flat shape, and the contact portion 21 is received in the terminal receiving groove 16, and the terminal tail portion 23 extends beyond the insulating body 10 to facilitate soldering to the circuit board.

The holding portion 22 includes a holding portion 221 and a holding portion 222 after being connected to the terminal tail portion 23 before being connected to the contact portion 21. The front holding portion 221 is received in the opening 161 and is interference-fitted on the inner side wall of the opening 161. A platform 223 is formed at a rear edge of the front holding portion 221 . A barb 224 is formed on the rear holding portion 222.

Referring to the seventh embodiment and the second to sixth embodiments, the socket connector 100 further includes a holding base 30. The holding seat 30 is fixedly received in the mounting groove 17. A plurality of through holes 31 are formed in the holding base 30 corresponding to the terminal receiving grooves 16 , and the through holes 31 communicate with the terminal receiving grooves 16 .

The barb 224 cooperates with the inner side of the through hole 31 in the holding seat 30 to fix the holding seat 30 and the conductive terminal 20 described above. The platform 223 is received in the opening 161, and one side is in contact with the front end surface 32 of the holding seat 30, so that when the insulating body 10 is subjected to a force other than the direction of the conductive terminal 20, the front end surface 32 of the holding seat 30 will be stuck. The platform 223 is terminated.

A plurality of grooves 35 are formed in the front end face 32, the left side face 33, and the right side face 34 of the holding seat 30. The first heat dissipating groove 191 and the second heat dissipating groove 192 respectively form a passage for airflow between the groove 35 and the groove 35, so that heat generated by the conductive terminal 20 in the terminal receiving groove 16 can be dissipated through the passage.

Extending from the top surface 36 of the holder 30 to form a plurality of bosses 37, the boss 37 includes a slope 371 connected to the front end surface 32, so that when the holder 30 is inserted into the mounting groove 17, the boss The inclined surface 371 of the 37 is held in contact with the latching arm 121 to tightly fix the retaining seat 30 to the insulative housing 10.

In summary, the socket connector 100 of the present invention is provided with a retaining seat 30, and a mounting groove 17 is formed inwardly recessed from the mounting surface 12 of the insulating body 10, so that the retaining seat 30 can be fixedly received in the mounting slot 17 Therefore, the holding force of the socket connector 100 can be made better.

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

100‧‧‧ socket connector

10‧‧‧Insulated body

11‧‧‧ docking

13‧‧‧ top wall

131‧‧‧First bump

132‧‧‧second bump

141‧‧‧ third bump

15‧‧‧ side wall

151‧‧‧ card slot

16‧‧‧Terminal receiving slot

20‧‧‧Electrical terminals

Claims (10)

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 plurality of terminal receiving slots penetrate from the abutting surface to the mounting surface; and the conductive terminals, wherein the conductive terminals are correspondingly received in the terminal receiving slots, and each of the conductive terminals includes a contact portion electrically connected to the plug connector and is electrically connected a socket end portion of the circuit board and a retaining portion connecting the contact portion and the terminal tail portion; wherein the socket connector further includes a retaining seat, and the mounting hole is recessed from the mounting surface of the insulating body to form a mounting groove, and the retaining seat is fixedly received in the foregoing mounting Inside the slot. The socket connector of claim 1, wherein the plurality of through holes are formed in the holder to correspond to the terminal receiving grooves. The socket connector of claim 2, wherein the retaining portion of the conductive terminal comprises a front retaining portion and a rear retaining portion. The socket connector of claim 3, wherein the rear retaining portion is formed with a barb, and the barb is matched with the inner side of the through hole of the retaining seat to fix the retaining seat and the conductive terminal. The socket connector of claim 3, wherein a partition wall is disposed between the mounting groove and the terminal receiving groove, and the terminal receiving groove forms a plurality of openings in the partition wall. The socket connector of claim 5, wherein the conductive terminal front retaining portion is interference fit on the inner side wall of the opening. The socket connector of claim 5, wherein the rear edge of the front end of the conductive terminal forms a platform, and when the insulating body is subjected to a force other than the direction of the conductive terminal, the front end surface of the holder is locked in the foregoing platform. The socket connector of claim 7, wherein the front end surface, the left side surface and the right side surface of the holder are formed with a plurality of grooves. The socket connector of claim 8, wherein the partition wall of the insulating body is provided with a plurality of heat dissipating grooves, and the heat dissipating groove and the groove form a passage for airflow. The socket connector of claim 1, wherein a plurality of latching arms are formed extending from the mounting surface inwardly, and a plurality of bosses are formed to extend rearward from the retaining seat, when the retaining seat is inserted into the mounting slot. The protrusion is clamped to the latching arm to tightly fix the holder on the insulative housing.