TWI509896B - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to a positioning design between the electrical connector and an external circuit board.

In the conventional RJ45 electrical connector product, the positioning between the electrical connector and the external circuit board is generally matched by the plurality of soldering legs provided in the mask housing and the pins of the internal components in the electrical connector to cooperate with the external circuit board. Positioning. In this arrangement, the electrical connector is difficult to be stably fixed on the circuit board, and is liable to cause swaying, and has a problem of poor positioning effect, especially for the sinking type electrical connector, the welding tensile strength is also low.

TWM349059, issued on January 11, 2009, discloses an electrical connector that can be mounted on an external circuit board. The electrical connector includes an insulative housing having a mating socket and a terminal module received in the insulative housing. The terminal module is provided with a plurality of pin portions extending to the external circuit board, so that the positioning of the electrical connector and the external circuit board is not stable enough. Therefore, it is necessary to design an electrical connector that is more stable in positioning with an external circuit board.

The technical problem to be solved by the present invention is to provide an electrical connector that is more stable in positioning effect with an external circuit board.

In order to solve the above technical problem, the present invention can adopt the following technical solution: an electrical connector can be mounted on an external circuit board, the electrical connector includes an insulating body, and receives In the terminal module of the insulative housing, the insulative housing includes oppositely disposed sides, and the sides of the insulative housing each have a shoulder formed to protrude outwardly, and the shoulders are respectively provided to protrude toward the outer circuit board. A mounting post formed and used to mount to an external circuit board.

Compared with the prior art, the present invention provides a shoulder on the side of the insulative housing, and the shoulders are respectively provided with mounting posts that can be mounted on an external circuit board, effectively enhancing the electrical connector from the external circuit board. Positioning.

The specific implementation structure is as follows: the cross section of the electrical connector in the horizontal direction is a cross shape.

The electrical connector further includes a mask housing covering the insulative housing, the mask housing including oppositely disposed side walls each having a solder fillet extending toward the outer circuit board.

The solder fillet is on the same line as the aforementioned mounting post to increase the welding tension of the electrical connector.

The terminal module includes a built-in circuit board, a plurality of mating terminals electrically connecting the mating connector to the built-in circuit board, and electronic components mounted on the built-in circuit board, the electronic component including a filter component and a magnetic coil.

The electrical connector further includes a plurality of signal terminals electrically connecting the electrical connector to the external circuit board, the signal terminals electrically connecting the built-in circuit board and the external circuit board.

The rear end of the side wall of the mask case is provided with soldering legs soldered to the external circuit board, and the soldering legs are located on the same straight line as the signal terminals to increase the soldering strength of the signal terminals.

The electrical connector can be mounted on the external circuit board, and the external circuit board is provided with a receiving space formed by hollowing out, and the insulating body is at least partially received in the receiving space.

The insulative housing includes a first insulative housing and a second insulative housing, the first insulative housing is provided with a mating socket that is open to the mating connector for insertion, and the receiving space is opened from an edge of the external circuit board. This edge is on the same side as the docking socket.

The second insulative housing is provided with a plurality of channels for receiving signal terminals, and the signal terminals are at least partially received in the channels and extend to the external circuit board.

The design will be described in detail below with reference to the drawings.

1‧‧‧Insulating body

10‧‧‧First Insulation Body

100‧‧‧Electrical connector

11‧‧‧ docking

110‧‧‧ containment chamber

111‧‧‧ docking socket

12‧‧‧ Back wall

121‧‧‧ slots

13‧‧‧ bottom wall

131‧‧‧ guiding slot

14‧‧‧ side

141‧‧‧ shoulder

143‧‧‧Installation column

20‧‧‧Second insulation body

21‧‧‧ Main body

211‧‧‧ wing

213‧‧‧ convex hull

23‧‧‧Connecting Department

231‧‧‧ channel

30‧‧‧Terminal module

31‧‧‧ Built-in board

311‧‧‧Filter components

313‧‧‧ Magnetic coil

33‧‧‧ docking terminal

331‧‧‧Docking Department

333‧‧‧Connecting Department

335‧‧‧ tail

3351‧‧‧ welded end

34‧‧‧Installation holes

35‧‧‧Signal terminals

36‧‧‧welding holes

37‧‧‧ accommodating space

371‧‧‧ edge

38‧‧‧through hole

40‧‧‧mask housing

41‧‧‧ front wall

42‧‧‧ rear wall

43‧‧‧ upper surface

45‧‧‧ side wall

451‧‧‧ solder feet

453‧‧‧welding feet

The first figure is a perspective view of an electrical connector mounted on an external circuit board in accordance with the present invention; the second figure is a perspective view of another view of the electrical connector and the external circuit board shown in the first figure; The exploded view of the electrical connector and the external circuit board shown in the figure; the fourth figure is an exploded view of the electrical connector shown in the first figure; the fifth figure is an exploded view of the electrical connector shown in the second figure; The six figures are partially exploded views of the terminal module shown in the fourth figure.

Referring to the first to fifth figures, an electrical connector 100 mountable to an external circuit board 3 according to the present invention is disclosed. The electrical connector 100 includes an insulative housing 1. The terminal module 30 of the insulative housing 1 and the mask housing 40 covering the insulative housing 1 have a cross-shaped structure in the horizontal direction.

The insulative housing 1 includes a first insulative housing 10 and a second insulative housing 20 . The first insulative housing 10 is provided with an abutting surface 11 , a rear wall 12 opposite to the mating surface 11 , and a bottom mounted to the external circuit board 3 . The wall 13 and the opposite side faces 14 extend rearwardly along the abutment surface 11. The abutting surface 11 is recessed rearward to form a receiving cavity 110 for receiving a mating connector (not shown). The receiving cavity 110 forms a mating socket 111 on the mating surface 11, and the bottom wall 13 is opposite to the opposite sides. The inner recess is formed to form a guiding groove 131. The side faces 14 of the first insulative housing 10 each have a shoulder portion 141 protruding outwardly, and the shoulder portions 141 are respectively formed to protrude toward the outer circuit board 3 and are mounted on the external circuit board 3. Mounting post 143. The first insulative housing 10 is further provided with a plurality of slots 121 in the rear wall 12 thereof. The second insulative housing 20 includes a main body portion 21 and a connecting portion 23 perpendicular to the main body portion 21, and the main body portion 21 is provided with a pair of parallel extending wings 211, and a space is formed between the wings 211, the wing portion The 211 is further provided with a convex hull 213 at its front end. When the wing portion 211 of the main body portion 21 of the second insulative housing 20 passes through the guiding slot 131 provided on the bottom wall of the first insulative housing 10, the convex package 213 can be engaged with the first insulative housing 10.

Referring to FIG. 4 to FIG. 6 , the terminal module 30 includes a built-in circuit board 31 , a plurality of mating terminals 33 that can electrically connect the mating connector (not shown) to the built-in circuit board 31 , and the built-in circuit board 31 . In the present embodiment, the electronic component includes a filter component 311 and a magnetic coil 313.

The docking terminal 33 is provided with an abutting portion 331 that can be in contact with the mating connector, a connecting portion 333 that is bent and extended from the mating portion 331 , and a tail portion 335 that continues to extend from the connecting portion 333 . The mating portion 331 is inserted from the mating socket 111 . Tilting inward at a certain angle The tail portion 335 further includes a soldering end 3351.

The built-in circuit board 31 is provided with a plurality of conductive holes 315. The terminal module 30 further includes a plurality of signal terminals 35 electrically connecting the electrical connector 100 to the external circuit board 3, and the signal terminals 35 are respectively inserted into the conductive holes 315 and soldered. The connecting portion 23 of the second insulative housing 20 is further provided with a plurality of slots 231. The signal terminals 35 are at least partially received in the slots 231 and extend to the external circuit board 3.

The mask housing 40 is formed by stamping and bending a metal sheet. The mask housing 40 includes a front wall surface 41, a rear wall surface 42 disposed opposite the front wall surface 41, an upper surface 43 covering the insulative housing 1, and a front wall surface 41. The side wall 45 of the rear wall surface 42. The sidewalls 45 are each provided with solder fillets 451 extending in the direction of the external circuit board 3 . The solder fillets 451 are needle-shaped and are in the same straight line as the mounting posts 143 to increase the soldering of the electrical connector 100 . pull. The sidewall 45 of the mask housing 40 is further provided at its rear end with soldering legs 453 solderable to the external circuit board 3, the soldering legs 453 being on the same line as the signal terminals 35 to increase the signal terminals 35. Welding strength.

Referring to FIG. 2 and FIG. 3 , the electrical connector 100 can be mounted on the external circuit board 3 . The external circuit board 3 is provided with a plurality of mounting holes 34 for mating with the mounting posts 143 , and a plurality of soldering legs. a soldering hole 36 to which the soldering leg 453 is mated, and a plurality of through holes 38 connected to the signal terminal 35. The external circuit board 3 is further provided with a receiving space 37 formed by hollowing out, and the insulative housing 1 is at least partially received therein. The accommodating space 37 is inside. The receiving space 37 is opened from an edge 371 of the external circuit board 3, and the edge 371 is on the same side as the mating socket 111.

The side surface 14 of the insulative housing 1 is provided with a shoulder portion 141 which is formed to protrude outwardly, and the shoulder portion 141 is provided to be protruded toward the outer circuit board 3 and is mounted for mounting on the external circuit board 3. The pillar 143 makes the positioning of the insulating body 1 and the external circuit board 3 more Stable.

100‧‧‧Electrical connector

143‧‧‧Installation column

3‧‧‧External circuit board

34‧‧‧Installation holes

36‧‧‧welding holes

37‧‧‧ accommodating space

371‧‧‧ edge

38‧‧‧through hole

451‧‧‧ solder feet

453‧‧‧welding feet

Claims (8)

An electrical connector can be mounted on an external circuit board, the electrical connector includes: an insulative housing, the insulative housing includes opposite sides; and a terminal module, the terminal module is received in the insulative housing; The side surfaces of the insulative housing each have a shoulder formed to protrude outwardly, and the shoulders are respectively provided with mounting posts protruding toward the outer circuit board and for mounting to an external circuit board, the electrical connector The utility model further includes a mask shell covering the insulative housing, the mask shell comprising oppositely disposed side walls each having a solder tail extending in a direction of the outer circuit board, the solder tail and the foregoing mounting The columns are on the same line to increase the welding tension of the electrical connector. The electrical connector of claim 1, wherein the electrical connector has a cross shape in a horizontal direction. The electrical connector of claim 1, wherein the terminal module comprises a built-in circuit board, a plurality of mating terminals electrically connecting the mating connector to the built-in circuit board, and electronic components mounted on the built-in circuit board. The electronic component includes a filter component and a magnetic coil. The electrical connector of claim 3, wherein the electrical connector further comprises a plurality of signal terminals electrically connecting the electrical connector to the external circuit board, the signal terminals electrically connecting the built-in circuit board and the external Circuit board. The electrical connector of claim 4, wherein a rear end of the side wall of the mask housing is provided with a soldering leg soldered to an external circuit board, the soldering leg being in the same line as the signal terminal Upper to increase the welding strength of the signal terminals. The electrical connector of claim 1, wherein the electrical connector is mounted on an external circuit board, and the external circuit board is provided with a receiving space formed by hollowing out, the insulating body At least partially received in the accommodating space. The electrical connector of claim 6, wherein the insulative housing comprises a first insulative housing and a second insulative housing, the first insulative housing being provided with a forward opening for mating docking of the mating connector The socket is opened from an edge of the external circuit board, and the edge is on the same side as the docking socket. The electrical connector of claim 7, wherein the second insulative housing is provided with a plurality of channels for receiving signal terminals, the signal terminals being at least partially received in the channel and extending to the external circuit board.