TWI531127B - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical 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, a terminal received in the insulative housing, and a housing that covers the outside of the insulative housing. The soldering legs of the aforementioned terminals extend from the insulating body to be soldered to the circuit board.

The RJ 45 connector is a communication connector for transmitting data. To show its working status, the RJ 45 connector usually also includes a light-emitting diode. However, the fixing manner between the light-emitting diode of the conventional electrical connector and the insulating body is not reliable, and the two are easy to shake after the installation is completed, thereby causing unstable communication, and the assembly between the light-emitting diode and the insulating body is complicated.

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

It is an object of the present invention to provide an electrical connector in which the light-emitting diode and the insulative body are easily assembled and reliably secured.

To achieve the above object, the present invention relates to an electrical connector including an insulation book a plurality of conductive terminals fixed on the insulative housing; and a pair of light emitting diodes mounted on the insulative housing, wherein the insulative housing comprises an abutting surface, two side walls, and a receiving cavity formed through the mating surface, each The conductive terminal includes a contact portion extending into the receiving cavity, the pair of light emitting diodes are laterally mounted on the two sidewalls of the insulating body, and each of the light emitting diodes includes a lamp body and a solder extending outward from the lamp body The two side walls of the insulative housing are provided with laterally outwardly extending latching portions, and the latching portion includes two resilient arms disposed oppositely, a hook portion at an end of the two resilient arms, and the two resilient arms Cooperating with the hook portion to form a clamping groove for holding the soldering leg; the soldering leg includes a first soldering leg and a second soldering leg disposed in two rows, and the latching portion includes the first a first holding portion of the soldering leg and a second holding portion for holding the second soldering leg; the first holding portion includes two first elastic arms disposed opposite to each other at an end of the two first elastic arms First a hook portion and a first clamping groove formed by the two first elastic arms and the first hook portion to hold the first welding leg; the second holding portion includes two opposite positions a second elastic arm, a second hook portion at the end of the two second elastic arms, and a second surrounding portion formed by the two second elastic arms and the second hook portion to hold the second soldering leg The clamping groove; the two first elastic arms are arranged up and down, and the two second elastic arms are arranged back and forth.

According to a further improvement of the present invention, the hook portion is provided with a guiding slope for introducing the welding leg into the holding groove when the welding leg is assembled.

As a further improvement of the present invention, the first soldering leg includes a first extending portion formed by horizontally extending and a first bent portion formed by bending downwardly extending from the first extending portion, and the first extending portion is held at The second soldering leg includes a second extending portion formed by horizontally extending and a second bent portion formed by bending downwardly from the second extending portion. The second bent portion is held in the second clamping groove.

As a further improvement of the present invention, each side wall of the insulative housing is provided with a third holding groove for receiving the first bent portion, and the third holding groove is located at a rear end of the second clamping groove.

As a further improvement of the present invention, the first bending portion is concavely formed with a recess from the rear end surface thereof, and the insulating body is provided with a protrusion protruding outward to cooperate with the groove.

According to a further improvement of the present invention, each of the side walls includes a receiving groove for accommodating the lamp body and an upper limit block and a lower limit block adjacent to the receiving groove, and the front end of the lamp body is recessed to form an upper limit groove and a lower limit groove. The upper limit block and the lower limit block are matched with the upper limit groove and the lower limit groove.

As a further improvement of the present invention, the insulative housing further includes a support plate protruding outwardly from the side wall, the first extension portion and the second extension portion being separated by the support plate; the support plate The battery connector further includes a metal casing that shields the insulative housing, and the metal casing is provided with a fastening slot that cooperates with the fastening block.

As a further improvement of the present invention, the lamp body is disposed between the insulative housing and the metal casing, the metal casing includes a casing that shields the abutting surface, and the front casing is provided with the lamp body exposed External opening.

The electrical connector of the present invention is provided with a holding portion for holding the soldering leg of the light emitting diode on the insulating body, so that the light emitting diode is firmly fixed, is not easy to shake, and the communication is stable. In addition, the pair of light-emitting diodes are laterally mounted on the two side walls of the insulating body, and the assembly position is easy to observe, and the assembly is convenient.

100‧‧‧Electrical connector

1‧‧‧Insulating body

11‧‧‧ top wall

12‧‧‧ bottom wall

121‧‧‧ receiving trough

13‧‧‧ side wall

131‧‧‧ Storage trough

132‧‧‧ upper limit block

133‧‧‧lower limit block

134‧‧‧First Card Holder

1341‧‧‧First elastic arm

1342‧‧‧First card hook

1343‧‧‧First clamping slot

1344‧‧‧First guiding bevel

135‧‧‧Second Card Holder

1351‧‧‧Second elastic arm

1352‧‧‧Second hook

1353‧‧‧Second clamping slot

1354‧‧‧Second guiding bevel

136‧‧‧The third card slot

137‧‧‧Bumps

138‧‧‧support plate

1381‧‧‧Clock block

14‧‧‧ docking

15‧‧‧ containment chamber

2‧‧‧Electrical terminals

21‧‧‧ Fixed Department

22‧‧‧Contacts

23‧‧‧welding end

3‧‧‧Lighting diode

31‧‧‧Light body

311‧‧‧ upper limit slot

312‧‧‧ lower limit slot

32‧‧‧ soldering feet

321‧‧‧First welding feet

3211‧‧‧First Extension

3212‧‧‧First bend

3213‧‧‧ Groove

322‧‧‧Second welding feet

3221‧‧‧Second extension

3222‧‧‧Second bend

4‧‧‧Dangerant tablets

5‧‧‧Metal casing

51‧‧‧ card slot

52‧‧‧ front housing

521‧‧‧ openings

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

The second figure is a partial exploded view of the first figure.

The third figure is an exploded perspective view of the first figure.

The fourth figure is a partial assembled view of the insulating body assembled with the conductive terminals in the third figure.

The fifth drawing is a bottom view of the electrical connector of the present invention in which a metal casing is not shown, and a pair of light emitting diodes are separated from the foregoing insulating body.

Figure 6 is a partial perspective view of the electrical connector of the present invention in which a metal casing is not shown.

The seventh figure is a partial enlarged view of the sixth figure.

Referring to the first figure, the electrical connector 100 of the present invention (in the illustrated embodiment of the present invention is an RJ 45 socket electrical connector) for soldering to a circuit board (not shown) to be plugged with a plug Electrical connectors (not shown) are connected to each other.

Referring to the second and third figures, the electrical connector 100 includes an insulative housing 1 , a plurality of conductive terminals 2 fixed on the insulative housing 1 , and a pair of light emitting diodes mounted on the insulative housing 1 . The body 3, a pair of anti-detent sheets 4 and a metal casing 5 fastened to the insulative housing 1.

Each of the light-emitting diodes 3 includes a lamp body 31 and soldering legs 32 extending outward from the lamp body 31. An upper limit groove 311 and a lower limit groove 312 are formed in the front end of the lamp body 31. The soldering leg 32 includes a first soldering leg 321 and a second soldering leg 322 disposed in two rows. The first soldering leg 321 includes a first extending portion 3211 formed horizontally and from the first extending portion 3211 The first bent portion 3212 is formed to be bent downward. The first bent portion 3212 is concavely formed with a recess 3213 from a rear end surface thereof. The second soldering leg 322 includes a second extending portion 3221 formed horizontally and a second bent portion 3222 extending downward from the second extending portion 3221.

The insulative housing 1 includes a top wall 11 , a bottom wall 12 , two side walls 13 connecting the top wall 11 and the bottom wall 12 , an abutting surface 14 at the front end, and a receiving cavity 15 formed through the mating surface 14 . The bottom wall 12 is provided with a pair of receiving slots 121 for receiving the anti-slipping sheet 4 . The receiving cavity 15 is configured to receive the plug electrical connector to electrically connect with the conductive terminal 2 .

Referring to FIG. 3 to FIG. 7 , each side wall 13 includes a receiving groove 131 for accommodating the light emitting diode 3 , an upper limit block 132 adjacent to the receiving groove, a lower limit block 133 , and a first The holding portion 134 and the second holding portion 135. The first holding portion 134 and the second holding portion 135 are collectively referred to as a holding portion. The accommodating groove 131 is located on the outer side of the side wall 13 and extends forward through the abutting surface 14 . The first holding portion 134 includes two first elastic arms 1341 disposed opposite to each other, a first hook portion 1342 located at an end of the two first elastic arms 1341, and the first and second elastic arms 1341 and the first The hook portion 1341 is integrally formed with a first clamping groove 1343 formed to hold the first soldering leg 321 . The first hook portion 1342 is provided with a first guiding slope 1344 located outside thereof. The second holding portion 135 includes two second elastic arms 1351, two second hook portions 1352 located at the ends of the second elastic arms 1351, and the second elastic arm 1351 and the second card. The hook portion 1352 collectively encloses a second clamping groove 1353 formed to hold the second soldering leg 322. The second hook portion 1352 is provided with a second guiding slope 1354 on the outer side thereof. The first guiding slope 1344 and the second guiding slope 1354 are collectively referred to as a guiding slope. The first holding portion 134 is perpendicular to the second holding portion 135 , and the first holding portion 134 is located above the rear end of the second holding portion 135 . The two first elastic arms 1341 are arranged up and down, and the two second elastic arms 1351 are front and rear. Arrange.

In addition, each side wall 13 of the insulative housing 1 is provided with a third holding groove 136 for receiving the first bent portion 3212. The third holding groove 136 is located at the rear end of the second clamping groove 1353 and is flush with the second clamping groove 1353 in the front-rear direction. The insulative housing 1 is provided with a protrusion 137 that protrudes outward to cooperate with the aforementioned groove 3213. The bump 137 is adjacent to the third holding groove 136. The insulative housing 1 further includes a support plate 138 protruding outwardly from the side wall 13 , and the first extension portion 3211 and the second extension portion 3221 are separated by the support plate 138 . The support plate 138 is provided with a locking block 1381.

Referring to FIG. 2 and FIG. 3 , each of the conductive terminals 2 includes a fixing portion 21 fixed on the insulating body 1 , a contact portion 22 extending obliquely from one end of the fixing portion 21 , and the fixing portion The other end of the 21 extends the welded end 23. The contact portion 22 extends into the receiving cavity 15 to be in contact with the plug electrical connector. The soldering end 23 extends out of the insulative housing 1 for soldering to the circuit board.

The anti-slipping sheet 4 is attached to the bottom wall 12 from bottom to top, and the anti-slipping sheet 4 protrudes into the receiving cavity 15 and corresponds to the receiving groove 121, respectively. The foolproof sheet 4 can prevent a mismatched plug electrical connector from being inserted into the receiving cavity 15.

The metal casing 5 is shielded from the insulative housing 1. The metal casing 5 is provided with a locking groove 51 that engages with the locking block 1381. In addition, the lamp body 31 is disposed between the insulative housing 1 and the metal casing 5, and the metal casing 5 includes a casing 52 that shields the abutting surface 14. The front casing 52 is provided with the lamp body. 31 is exposed to the outer opening portion 521.

Referring to FIG. 5 and the second diagram, the third diagram and the seventh diagram, when assembled, the LEDs 3 are assembled on the insulative housing 1 from both sides, and the assembly is convenient. Wherein the lamp body 31 is housed in the accommodation groove 131. The upper limit block 132 and the lower limit block 133 are matched with the upper limit groove 311 and the lower limit groove 312 to sandwich the lamp body 31. At the same time, the first extending portion 3211, under the guidance of the first guiding inclined surface 1344, outwardly expands the first elastic arm 1341 and is finally clamped in the first clamping groove 1343. At this time, the first hook portion 1342 can prevent the first soldering leg 321 from being disengaged from the insulative housing 1 . At the same time, the first bent portion 3212 is received in the third holding groove 136. The second bending portion 3222 extends outwardly from the second guiding inclined surface 1354 to extend the second elastic arm 1351 outwardly and is finally retained in the second clamping groove 1353. The second hook portion 1352 can prevent the second soldering leg 322 from being disengaged from the insulative housing 1 . The first soldering leg 321 and the second soldering leg 322 finally abut against the two sidewalls 13 of the insulative housing 1 .

Compared with the prior art, the present invention provides the light-emitting diode 3 to be firmly fixed by the holding portion of the soldering leg 32 for holding the light-emitting diode 3 on the insulating body 1, and is not easy to shake and communicate. stable. In addition, the light-emitting diode 3 of the present invention is assembled on the insulating body 1 from both sides, which is convenient for observing the assembly position and convenient for assembly.

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

1341‧‧‧First elastic arm

1342‧‧‧First card hook

1343‧‧‧First clamping slot

1344‧‧‧First guiding bevel

1351‧‧‧Second elastic arm

1352‧‧‧Second hook

1353‧‧‧Second clamping slot

1354‧‧‧Second guiding bevel

137‧‧‧Bumps

3211‧‧‧First Extension

3221‧‧‧Second extension

Claims (8)

An electrical connector includes: an insulative housing, the insulative housing includes an abutting surface, two side walls, and a receiving cavity formed through the mating surface; the plurality of conductive terminals are fixed on the insulative housing, and each of the conductive terminals includes the foregoing a contact portion in the receiving cavity; and a pair of light emitting diodes laterally mounted on the two sidewalls of the insulating body, each of the light emitting diodes including the lamp body and extending outward from the lamp body a soldering leg; wherein the two side walls of the insulative housing are provided with laterally outwardly extending latching portions, the latching portion includes two resilient arms disposed oppositely, a hook portion at an end of the two resilient arms, and The two elastic arms and the hook portion jointly enclose a clamping groove formed to hold the soldering leg; the soldering leg includes a first soldering leg and a second soldering leg disposed in two rows, and the latching portion includes a latching portion a first holding portion of the first soldering leg and a second holding portion holding the second soldering leg; the first holding portion includes two first elastic arms disposed opposite to each other, and the first elastic a first hook portion at the end, and a first clamping groove formed by the two first elastic arms and the first hook portion to hold the first soldering leg; the second holding portion includes Two second elastic arms, two second hook portions at the ends of the two second elastic arms, and two second elastic arms and the second hook portion are jointly formed to hold the second a second clamping groove of the welding leg; the two first elastic arms are arranged up and down, and the two second elastic arms are arranged back and forth. The electrical connector of claim 1, wherein the hook portion is provided in the foregoing soldering When the foot is assembled, the aforementioned welding leg is introduced into the guiding inclined surface in the aforementioned clamping groove. The electrical connector of claim 1, wherein the first soldering leg comprises a first extending portion formed horizontally and a first bent portion extending downwardly from the first extending portion, the foregoing The first extending portion is held in the first clamping groove; the second welding leg comprises a second extending portion formed by horizontal extension and a second bending portion formed by bending downwardly extending from the second extending portion The second bent portion is held in the second clamping groove. The electrical connector of claim 3, wherein each side wall of the insulative housing is provided with a third retaining slot for receiving the first bent portion, and the third retaining slot is located at the Two clamping slots at the rear end. The electrical connector of claim 3, wherein the first bent portion is recessed from a rear end surface thereof, and the insulating body is provided with a convex protrusion that protrudes outwardly to cooperate with the groove. Piece. The electrical connector of claim 1, wherein each of the side walls includes a receiving groove for accommodating the lamp body and an upper limit block and a lower limit block adjacent to the receiving groove, and the front end of the lamp body is recessed to form an upper limit. The upper slot and the lower slot, the upper limit block and the lower limit block are matched with the upper limit slot and the lower limit slot. The electrical connector of claim 3, wherein the insulative housing further comprises a support plate projecting outwardly from the side wall, the first extension and the second extension being supported by the support The supporting plate is provided with a fixing block, and the electrical connector further comprises a metal casing for shielding the insulating body, and the metal casing is provided with a fixing groove matched with the fixing block. The electrical connector of claim 7, wherein the lamp body is disposed between the insulative housing and the metal housing, and the metal housing includes a housing that shields the mating surface, and the front housing is disposed There is an opening portion that exposes the lamp body to the outside.