TWI542092B - 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 and materials with external devices. The existing electrical connector generally includes an insulative housing and a plurality of terminals received in the insulative housing. The receiving body is provided with a receiving groove for receiving the terminal, and the terminal is provided with a barb structure, so that the terminal can be stably inserted into the receiving groove by the interference between the barb structure and the receiving groove.

However, the terminal barb structure of the existing electrical connector is generally planar, so that although the assembly is convenient, the interference effect of the planar barb structure and the receiving groove is not obvious, and the terminal cannot be effectively fixed, thereby soldering the electrical connector to When the circuit board and the electrical connector are docked with the mating connector, the terminal is easily deflected in the receiving groove to cause deflection, which not only causes welding difficulties, but also affects the docking effect.

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

The object of the present invention is to provide a socket connector. The terminal spur structure of the socket connector is not only easy to assemble, but also can effectively fix the terminal and prevent the terminal from rotating in the receiving groove, and the terminal retaining force is strong.

To achieve the above object, the present invention provides a socket connector that is mounted on a circuit board for mating with a plug connector, and includes: a plastic body having a mating surface that is mated with the plug connector and the mating surface a plurality of receiving slots extend from the mating surface to the mounting surface; and a pair of terminals are correspondingly received in the receiving slot, the terminal pair includes two terminals, each of which includes an electrical connector with the plug connector a connecting portion, a terminal end portion electrically connected to the circuit board, and a connecting portion connecting the contact portion and the terminal tail portion; wherein at least one pair of spurs protrude from the side wall of the connecting portion, and the receiving groove protrudes The first protruding block and the second protruding block are formed, and the first protruding block protrudes downward from the inner wall of the receiving groove, and a groove is formed between the first protruding block and the inner side wall surface of the receiving groove. The second protruding block protrudes upward from the inner bottom wall of the receiving groove, and a card slot is formed between the second protruding block and the inner side wall surface of the receiving groove, and the connecting portion of the terminal pair is The two ends are respectively received in the channel and the card slot, and the at least one pair of spurs are supported between the first protruding block and the second protruding block to limit the pair of terminals in the receiving slot. A displacement occurred.

As a further improvement of the present invention, the burr is disposed in a tearing manner at an intermediate position of the connecting portion, and the thickness of the burr gradually increases in a plugging direction of the plug connector.

According to a further improvement of the present invention, the spur is provided with an inclined guiding surface at one end of the contact portion, and the guiding surface extends obliquely in the terminal insertion direction.

As a further improvement of the present invention, each pair of the aforementioned spurs is formed with a barb extending away from each other, so that when the aforementioned spurs are supported between the first protruding block and the second protruding block, the foregoing The barbs and the first protruding block and the second protruding block generate hard interference to restrict displacement of the pair of terminals in the receiving groove.

As a further improvement of the present invention, the contact portion is provided with a convex hull, and the convex hull on the contact portion of the two terminals of the terminal pair is oppositely disposed to be the convex hull and the plug connector when being mated with the plug connector. Electrical connection.

According to a further improvement of the present invention, the contact portion includes a resisting portion on a front side of the convex hull, and a front end of the receiving groove is provided with a stopper for abutting the abutting portion.

According to a further improvement of the present invention, the top end of the connecting portion is formed with a stepped portion in a height direction of the terminal such that the top end of the connecting portion is stepped, and the inner wall surface of the top end of the receiving groove is also stepped for receiving The aforementioned step portion.

As a further improvement of the present invention, the terminal tails of each of the terminals of the pair of terminals extend from one side of the connecting portion away from the contact portion, and the terminal tail of one of the terminals of the pair of terminals faces the other terminal The tail end of the terminal is bent and extended so that the terminal tails of the two terminals are merged and contacted.

As a further improvement of the present invention, the plastic body is provided with a docking space through which the mating surface penetrates to the mounting surface for the plug connector to be inserted, and the docking space communicates with the receiving slot to facilitate the terminal pair and the plug connector in the foregoing Electrical connection in the docking space.

Compared with the prior art, the socket connector of the present invention is provided with at least one pair of spurs on the side wall of the terminal connecting portion, and at the same time, the first protruding block and the second protruding block are disposed in the receiving groove of the plastic body, thereby The at least one pair of spurs are supported on the first protruding block and the second Between the protruding blocks, the terminal can be effectively fixed, and the terminal is prevented from rotating in the receiving groove, and the terminal retaining force is strong.

1‧‧‧Socket connector

10‧‧‧Plastic body

101‧‧‧ docking

102‧‧‧Installation surface

103‧‧‧ top wall

104‧‧‧ bottom wall

105‧‧‧ side wall

11‧‧‧ partition wall

12‧‧‧ housing trough

13‧‧‧ docking space

14‧‧‧First protruding block

141‧‧‧ channel

142‧‧‧ first through slot

15‧‧‧Second protruding block

151‧‧‧ card slot

152‧‧‧second trough

16‧‧‧blocks

17‧‧‧Fixed column

20‧‧‧Terminal pair

201, 202‧‧‧ terminals

21‧‧‧Contacts

211‧‧‧ convex hull

212‧‧‧Resistance Department

22‧‧‧Connecting Department

221‧‧‧Steps

23‧‧‧Terminal tail

24‧‧‧Connecting arm

25‧‧‧Spurs

251‧‧‧ Guide surface

252‧‧‧ barbed

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

The second figure is an exploded view of the socket connector shown in the first figure.

The third figure is a perspective view of the plastic body shown in the second figure.

The fourth figure is another perspective view of the plastic body shown in the third figure.

The fifth figure is a perspective view of a pair of terminal pairs shown in the second figure.

The sixth figure is an exploded view of the terminal pair shown in the fifth figure.

The seventh figure is a cross-sectional view of the terminal pair shown in the second figure when assembled in a plastic body.

Referring to the first and second figures, the receptacle connector 1 of the present invention can be mounted on a circuit board (not shown) for mating engagement with a corresponding plug connector (not shown). The socket connector 1 includes a plastic body 10 and a plurality of terminal pairs 20 received in the plastic body 10.

Referring to the third and fourth figures, in conjunction with the first and second figures, the plastic body 10 is formed with an abutting surface 101 that is butted against the plug connector, and a mounting surface 102 that is disposed opposite the mating surface 101. And connecting the abutting surface 101 and the top wall 103, the bottom wall 104 and the two side walls 105 of the mounting surface 102. A plurality of partition walls 11 parallel to the side wall 105 are disposed between the top wall 103 and the bottom wall 104. The plurality of receiving grooves 12 penetrate from the abutting surface 101 to the mounting surface 102, and are formed on the side wall 105 and the partition wall 11. Between and between two adjacent partition walls 11.

The receiving groove 12 is simultaneously opened at the abutting surface 101 and the top wall 103, thereby The heat generated in the receiving slot 12 of the terminal pair 20 can be dissipated as quickly as possible by the receiving slot 12, and the plug connector can be inserted in the opposite direction along the terminal pair 20 (ie, the first direction shown in the figure). The multi-directional insertion is realized by inserting perpendicularly to the direction of the top wall 103 (ie, the second direction shown in the drawing) and the third direction shown in the drawing. The plastic body 10 further defines a docking space 13 extending from the mating surface 101 to the mounting surface 102 for the plug connector to be inserted. The docking space 13 communicates with the receiving slot 12 so that the terminal pair 20 and the plug connector are The aforementioned docking space 13 is electrically connected.

A first protruding block 14 and a second protruding block 15 are protruded from the receiving groove 12 . The first protruding block 14 is formed to protrude downward from the inner top wall of the receiving groove 12, and is disposed on the inner side surface of the first protruding block 14 and the receiving groove 12 (ie, the side wall 105 or the partition wall 11). A channel 141 is formed in the middle, and the inner wall surface of the top end of the channel 141 is stepped; the second protrusion 15 is formed upwardly from the inner bottom wall of the receiving groove 12, and the second protrusion is formed. A latching groove 151 is formed between the block 15 and the inner side wall surface of the receiving groove 12 (that is, the side wall 105 or the partition wall 11), and the inner wall surface of the bottom end of the latching groove 151 is also stepped.

The first protruding block 14 is disposed opposite to the second protruding block 15 and is substantially U-shaped. The first protruding block 14 defines a first through slot 142 extending through the first protruding block 14 . The second protruding block 15 defines a second through slot 152 extending through the second protruding block 15 . The first through slot 142 is disposed opposite to the second through slot 152 and simultaneously communicates with the receiving slot 12, and the first through slot 142 is simultaneously opened to the abutting surface 101 and the top wall 103, and the second through slot 152 is simultaneously Opening the abutting surface 101 and the mounting surface 102, so that the heat generated by the terminal pair 20 in the receiving groove 12 can be dissipated by the first through groove 142 and the second through groove 152, and the terminal pair 20 can also be The first through slot 142 and the second through slot 152 are connected to the plug connector. Electrical connection.

A stopper 16 is disposed at a front end of the receiving groove 12, and the stopper 16 is distributed on a side of the side wall 105 adjacent to the receiving groove 12 and on both sides of the partition wall 11. Two fixing posts 17 are protruded from the bottom wall 104 of the plastic body 10, and the two fixing posts 17 are disposed at two ends of the bottom wall 104 and are spaced apart from each other in the longitudinal direction of the bottom wall 104. In order to securely fix the socket connector 1 of the present invention to a circuit component (not shown).

Referring to FIGS. 5 to 7 and in conjunction with the third and fourth figures, the pair of terminals 20 are correspondingly received in the receiving groove 12. The terminal pair 20 includes two terminals 201 and 202. Each of the terminals 201 and 202 includes a contact portion 21 electrically connected to the plug connector, a terminal tail portion 23 electrically connected to the circuit board, and the connecting portion 21 and the foregoing. The connecting portion 22 of the terminal tail portion 23 and the connecting arm 24 connecting the connecting portion 22 and the aforementioned contact portion 21. The contact portion 21 is provided with a convex hull 211, and the convex hull 211 on the contact portion 21 of the two terminals 201, 202 of the pair of terminals 20 is oppositely disposed to be opposite to the convex hull 211 and the plug when the plug connector is mated with the plug connector The connector is electrically connected. The contact portion 21 further includes a resisting portion 212 on the front side of the convex hull 211. The stopper 16 is configured to abut the end of the abutting portion 212 to prevent the abutting portion 212 from being inserted beyond the front end of the receiving groove 12.

The top end and the bottom end of the connecting portion 22 are respectively formed with step portions 221 in the height direction of the terminals 201 and 202 so that the top end and the bottom end of the connecting portion 22 are stepped, respectively, so as to be at both ends of the connecting portion 22 After being respectively received in the channel 141 and the card slot 151, the terminal pair 20 can be restricted from being displaced in the receiving groove 12. At least one pair of spurs 25 are protruded from the side wall of the connecting portion 22, and the at least one pair of spurs 25 are supported between the first protruding block 14 and the second protruding block 15 to limit the pair of terminals. 20 is displaced in the receiving groove 12. In this embodiment, the spurs 25 are provided with a pair, and in other embodiments, the spurs are The number and setting position of 25 can be designed according to actual needs, and is not limited here.

The spurs 25 are disposed in a tearing manner at a position intermediate the side walls of the connecting portion 22, and the thickness of the burrs 25 gradually increases in the plugging direction of the plug connector. An inclined guiding surface 251 is provided at one end of the shank 25 adjacent to the contact portion 21, and the guiding surface 251 extends obliquely along the insertion direction of the terminals 201 and 202. Each pair of the aforementioned spurs 25 is formed with a barb 252 extending away from each other to support the barb 25 when the spurs 25 are supported between the first protruding block 14 and the second protruding block 15 The 252 and the first protruding block 14 and the second protruding block 15 generate hard interference to restrict the displacement of the terminal pair 20 in the receiving groove 12, thereby ensuring that the socket connector 1 of the present invention is stably docked with the corresponding plug connector.

The terminal tail portions 23 of each of the terminals 201 and 202 of the terminal pair 20 extend from the side of the connecting portion 22 away from the contact portion 21, and the terminal tail portion 23 of one of the terminal pairs 20 of the terminal pair 20 faces the other end. The terminal tail portion 23 of the one terminal 202 is obliquely extended and extended so that the terminal tail portions 23 of the two terminals 201 and 202 are merged and contacted to be electrically connected, thereby restricting the assembly direction of the terminal pair 20 from being assembled from the mounting surface 102 toward the mating surface 101. At the same time, the terminal pair 20 is limited to be assembled by first loading the terminal 202 into the receiving slot 12, and then loading the terminal 201 into the receiving slot 12 so that the terminal tail portion 23 of the terminal 201 extends to the terminal tail portion 23 of the terminal 202. Combine and achieve contact conduction.

Compared with the prior art, the socket connector 1 of the present invention is provided with at least one pair of spurs 25 on the side walls of the connecting portions 22 of the terminals 201 and 202, and at the same time, the first protruding block 14 is disposed in the receiving groove 12 of the plastic body 10. And the second protruding block 15 so as to be supported between the first protruding block 14 and the second protruding block 15 by the at least one pair of spurs 25, the terminals 201, 202 can be effectively fixed, and the terminal is prevented 201 and 202 are rotated in the receiving groove 12, and the terminals 201 and 202 have strong holding force.

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

1‧‧‧Socket connector

10‧‧‧Plastic body

102‧‧‧Installation surface

103‧‧‧ top wall

105‧‧‧ side wall

11‧‧‧ partition wall

12‧‧‧ housing trough

14‧‧‧First protruding block

141‧‧‧ channel

15‧‧‧Second protruding block

151‧‧‧ card slot

152‧‧‧second trough

17‧‧‧Fixed column

20‧‧‧Terminal pair

21‧‧‧Contacts

211‧‧‧ convex hull

22‧‧‧Connecting Department

221‧‧‧Steps

23‧‧‧Terminal tail

24‧‧‧Connecting arm

25‧‧‧Spurs

Claims (9)

A socket connector is mounted on a circuit board for docking with a plug connector, and includes: a plastic body having a mating surface that is mated with the plug connector and a mounting surface opposite to the mating surface, the plurality of receiving slots The terminal pair is inserted into the receiving surface, and the terminal pair is correspondingly received in the receiving groove. The terminal pair includes two terminals, each of which includes a contact portion electrically connected to the plug connector, and is electrically connected to the terminal. a terminal end portion of the circuit board and a connecting portion connecting the contact portion and the terminal tail portion; wherein at least one pair of spurs protrude from the side wall of the connecting portion, and the first protruding block and the second protruding portion are protruded from the receiving groove a protruding block, wherein the first protruding block protrudes downward from the inner wall of the receiving groove, and a channel is formed between the first protruding block and the inner wall surface of the receiving groove, and the second protruding block is A bottom wall of the receiving groove protrudes upwardly, and a card slot is formed between the second protruding block and the inner wall surface of the receiving groove, and the two ends of the connecting portion of the terminal pair are respectively received and received in the channel The card slot, the card is at least one pair of barbs disposed between said support block and the first protruding block of the second projection extending to limit the displacement of the terminal occurs in the receiving groove. The socket connector of claim 1, wherein the spur is provided in a tearing manner at a middle position of the connecting portion, and the thickness of the rib is gradually increased along a plugging direction of the plug connector. The socket connector of claim 1, wherein the spur is provided with an inclined guiding surface at one end of the contact portion, and the guiding surface extends obliquely along the terminal insertion direction. The socket connector of claim 1, wherein each of the pair of spurs is formed with a barb extending away from the spur to support the spur on the first protruding block and the second Burst When the blocks are stretched, the barbs and the first protruding block and the second protruding block cause hard interference to restrict displacement of the pair of terminals in the receiving groove. The socket connector of claim 1, wherein the contact portion is provided with a convex hull, and the convex hull on the contact portion of the two terminals of the terminal pair is oppositely disposed to be mated with the plug connector. The convex hull is electrically connected to the plug connector. The socket connector of claim 5, wherein the contact portion includes a resisting portion on a front side of the convex hull, and a front end of the receiving groove is provided with a stopper for abutting the abutting portion. The socket connector of claim 1, wherein the top end of the connecting portion protrudes in a height direction of the terminal to form a step portion such that a top end of the connecting portion is stepped, and an inner wall surface of the top end of the receiving groove is also It is arranged in a stepped shape for accommodating the aforementioned step portion. The socket connector of claim 1, wherein the terminal tail of each of the terminals of the pair of terminals extends from a side of the connecting portion away from the contact portion, and one of the terminals of the terminal pair The terminal tail portion is obliquely bent and extended toward the terminal tail portion of the other chip terminal, so that the terminal tail portions of the two terminals are merged and contacted. The socket connector of the first aspect of the invention, wherein the plastic body is provided with a docking space through which the mating surface penetrates to the mounting surface for the plug connector to be inserted, and the docking space communicates with the receiving slot to facilitate the foregoing The terminal pair and the plug connector are electrically connected in the aforementioned docking space.