TWI482375B - Electrical connector - Google Patents

Description

Electrical connector

The invention relates to an electrical connector, in particular to an electrical connector with strong structural stability between an insulating body and a power terminal.

A conventional electrical connector generally includes an insulative housing and a plurality of conductive terminals received in the insulative housing. When the electrical connector is assembled, the conductive terminal is usually directly inserted into the insulating body, and neither the insulating body nor the conductive terminal is provided with a snap structure. Therefore, when the electrical connector is assembled and used, the front end of the insulating body may be easily detached due to shaking up and down, which may result in poor structural stability of the electrical connector, affecting the stability of the electrical connector and the mating connector. .

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

The object of the present invention is to provide an electrical connector which has good structural stability and strong docking stability with a mating connector.

In order to achieve the above object, the present invention relates to an electrical connector including an insulative housing and a plurality of power supply terminal pairs received in the insulative housing, wherein the insulative housing is provided with a plurality of receiving slots for receiving the plurality of power supply terminal pairs, and the power supply The terminal pair includes two power supply terminals disposed opposite to each other, each of the power supply terminals is provided with a contact portion, a tail portion, and a connecting portion connecting the contact portion and the tail portion, and the rear end of the connecting portion is provided with a fastening portion, and the rear end of the receiving groove is provided Having contact with the aforementioned fastening portion to cooperate with limiting the aforementioned power terminal pair relative to the foregoing The abutting portion of the edge body is displaced, and the engaging portion is a cantilever formed by tearing from the rear end of the connecting portion, and the abutting portion protrudes outward from the inner wall of the receiving groove and abuts against the cantilever The guiding block has a protruding block at the rear end of the receiving groove, the protruding block is connected to the rear end of the guiding block, and the protruding block is provided with an inclined guiding surface.

As a further improvement of the present invention, the cantilever extends in a direction away from the contact portion.

According to a further improvement of the present invention, the receiving groove penetrates the insulative housing forward and backward, and the receiving groove includes an upper inner wall, an inner wall corresponding to the upper inner wall, and inner sides of the upper inner wall and the lower inner wall. wall.

As a further improvement of the present invention, the upper inner wall is recessed upwardly in the vertical direction to form two first card slots, and the two first card slots are respectively configured to receive the top ends of the connecting portions of the two power terminals.

As a further improvement of the present invention, the lower inner wall is recessed downwardly in the vertical direction to form two second card slots, and the two second card slots are respectively configured to receive the bottom ends of the connecting portions of the two power terminals.

As a further improvement of the present invention, a resisting block extending along the opposite direction of the insertion of the power terminal is disposed between the two second card slots on the lower inner wall to limit the two power terminals in the left and right direction. mobile.

As a further improvement of the present invention, the guiding block protrudes outward from the inner wall of the side, and the power terminal is closely attached to the guiding block, so that a gap is formed between the power terminal and the side inner wall for heat dissipation. .

As a further improvement of the present invention, the fastening portion is an open slot, and the abutting portion is A card that is held in the aforementioned open slot.

According to a further improvement of the present invention, the abutting portion is an open groove, and the engaging portion is a block that is retained in the open groove.

In the electrical connector of the present invention, a fastening portion is provided at a rear end of the connection portion of the power supply terminal, and an abutting portion abutting the fastening portion is provided at a rear end of the receiving groove of the insulating body, so that the fastening portion and the abutting portion are The abutting portion cooperates to limit the pair of the power supply terminals and the insulating body to each other, thereby restricting the displacement of the pair of power terminals in the vertical direction relative to the insulating body, thereby improving the structural stability of the electrical connector.

Referring to the first and second figures, the electrical connector 100 of the present invention includes an insulative housing 10 and a plurality of power supply terminal pairs and a plurality of signal terminals 30 received in the insulative housing 10.

Referring to the third and fourth figures, and in conjunction with the second figure, a plurality of receiving slots are defined in the insulative housing 10 for respectively receiving the plurality of power terminal pairs and the plurality of signal terminals 30. In this embodiment, since the plurality of power supply terminal pairs and the plurality of signal terminals 30 are different in shape, the first receiving slot 11 for receiving the plurality of power supply terminal pairs and the second receiving terminal 30 for receiving the plurality of signal terminals 30 The shape of the receiving groove 12 is also different.

The first receiving groove 11 penetrates the insulative housing 10 forward and backward, and the first receiving groove 11 includes an upper inner wall 111, an inner wall 112 corresponding to the upper inner wall 111, and the upper inner wall 111 and the lower inner wall. The inner walls 113 on both sides of the wall 112.

The foregoing upper inner wall 111 is recessed upward in the vertical direction to form two first card slots 13. The lower inner wall 112 is recessed downward in the vertical direction to form two second card slots 14. The lower inner wall 112 is further provided with a resisting block 15 extending in the opposite direction of the plugging of the pair of power terminals between the two second card slots 14 to restrict the pair of power terminals from moving in the left-right direction.

A stopper 17 is disposed at a front end of the first receiving groove 11 , and an abutting portion is disposed at a rear end of the first receiving groove 11 . In the embodiment, the abutting portion is a guiding block 16 that protrudes outward from the intermediate position of the side inner wall 113, and the guiding block 16 extends from the front end of the first receiving groove 11 to the first receiving end. The rear end of the slot 11. The front side inner wall 113 is respectively provided with a guiding block 16 so that the pair of power terminals are closely attached to the guiding block 16, so that the pair of the power terminals and the side inner wall 113 are formed to be larger. Clearance for heat dissipation. A protruding block 18 is further disposed at the rear end of the first receiving groove 11, and the protruding block 18 is provided with an inclined guiding surface 181 for guiding the insertion of the pair of power terminals. The front end of the guiding block 16 is connected to the aforementioned stopper 17, and the rear end of the guiding block 16 is connected to the protruding block 18.

Referring to the fifth and sixth figures, and in combination with the second and third figures, each of the foregoing power terminal pairs includes two power supply terminals 20 that are oppositely and symmetrically disposed. Each of the power supply terminals 20 is provided with a contact portion 21, a tail portion 23, and a connecting portion 22 connecting the contact portion 21 and the tail portion 23. The contact portion 21 and the connecting portion 22 are each formed in a flat shape, and the tail portion 23 is perpendicular to the contact portion 21 and the connecting portion 22 such that the power supply terminal 20 has a substantially L-shaped cross section.

The two first slots 13 are respectively configured to receive the top ends of the connecting portions 22 of the two power terminals 20, and the two second slots 14 are respectively configured to receive the two power terminals 20 The bottom end of the connecting portion 22 is configured to abut the contact portion 21 of the two power supply terminals 20. Therefore, the power supply of the first card slot 13 and the top end of the connecting portion 22, the second card slot 14 and the bottom end of the connecting portion 22, and the engagement of the stopper 17 with the contact portion 21 can limit the power supply. The terminal 20 moves forward and backward, left and right, and up and down in the first receiving groove 11.

The rear end of the connecting portion 22 is provided with a fastening portion 24 that abuts against the abutting portion. The engaging portion 24 abuts against the abutting portion to restrict the power terminal pair from being displaced downward relative to the insulating body 10. In the present embodiment, the engaging portion 24 is a cantilever formed by tearing away from the rear end of the connecting portion 22, and the cantilever extends in a direction away from the contact portion 21; the abutting portion is from the first receiving slot The side inner wall 113 of the 11 protrudes outwardly and abuts against the guiding block 16 below the cantilever. In other embodiments, the engaging portion 24 may be an open slot, and the abutting portion is a latch that is retained in the open slot; or the abutting portion is an open slot, and the engaging portion is 24 is a block that is held in the open slot; or the abutting portion and the engaging portion 24 are configured to cooperate with each other to restrict displacement of the pair of power terminals relative to the insulative housing 10.

The tail portion 23 includes a plurality of solder fillets 231 for soldering to a circuit board (not shown) such that each pair of power supply terminal pairs includes a plurality of solder fillets 231 arranged in at least two rows. The ribs 232 protrude outward from the upper side of the two soldering legs 231 of the at least two rows of the solder fillets 231 so that the width of the upper side of the solder fillet 231 is greater than the width of the bottom end of the solder fillet 231. In the embodiment, the tail portion 23 is provided with three solder fillets 231, and the three solder fillets 231 are arranged in a straight line along the plugging direction of the power source terminal 20, so that the solder pads 231 of the two power supply terminals 20 are enclosed. Form a square. Pair of squares The rib 232 protrudes outward from the upper side of the two aforementioned solder fillets 231. Therefore, when the plurality of soldering legs 231 are soldered to the circuit board, the two soldering legs 231 provided with the ribs 232 are first soldered, so that the gap between the soldering legs 231 and the soldering holes on the circuit board can be reduced. At the same time, it is also possible to limit the above-mentioned electrical connector 100 from rotating and shaking on the circuit board.

Referring to the seventh figure and in conjunction with the second figure, the plurality of signal terminals 30 include six sets of signal terminals 30, and each set of signal terminals 30 includes four signal terminals 30 of the same shape but inconsistent size ratios. Each of the signal terminals 30 includes a base portion 32 that is received in the second receiving groove 12 and has a flat shape, an abutting portion 31 extending outward from one end of the base portion 32, and a welding extending outward from the other end of the base portion 32. Part 33. The electrical connector 100 of the present invention further includes a fixed block 40 that is assembled with the aforementioned signal terminal 30. The fixing block 40 is provided with a plurality of holes 41 through which the soldering portions 33 of the signal terminals 30 pass. By the cooperation of the hole 41 and the soldering portion 33 of the signal terminal 30, the soldering between the signal terminal 30 and the circuit board can be ensured, so that the signal transmission effect of the electrical connector 100 of the present invention is better.

In the above, the electrical connector 100 of the present invention is provided with an abutting portion at the rear end of the first receiving slot 11, and is disposed at the rear end of the connecting portion 22 of the power terminal 20 to cooperate with the abutting portion. The engaging portion 24 can restrain the power terminal pair from being displaced in the vertical direction with respect to the insulating body 10 by the engagement of the abutting portion and the engaging portion 24, thereby improving the structural stability of the electrical connector 100. On the other hand, the electrical connector 100 of the present invention is provided with outwardly projecting ribs 232 at positions above the two solder legs 231 which are furthest away, so that the width of the upper side of the solder fillet 231 is larger than The width of the bottom end of the soldering leg 231 is such that when the electrical connector 100 is soldered to the circuit board, the two soldering legs 231 are first soldered, so that the gap between the soldering leg 231 and the soldering hole on the circuit board can be reduced. At the same time, the electrical connector 100 can be rotatably swayed on the circuit board, thereby improving the soldering stability between the electrical connector 100 and the circuit board.

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‧‧‧Electrical connector

10‧‧‧Insulated body

11‧‧‧First storage trough

111‧‧‧Upper inner wall

112‧‧‧ Lower inner wall

113‧‧‧ side inner wall

12‧‧‧Second holding trough

13‧‧‧First card slot

14‧‧‧Second card slot

15‧‧‧Resistance block

16‧‧‧Guiding block

17‧‧ ‧block

18‧‧‧Bumps

181‧‧‧ Guide surface

20‧‧‧Power terminal

21‧‧‧Contacts

22‧‧‧Connecting Department

23‧‧‧ tail

231‧‧‧ solder feet

232‧‧‧ ribs

24‧‧‧Deduction Department

30‧‧‧ Signal Terminal

31‧‧‧Docking Department

32‧‧‧ base

33‧‧‧Weld Department

40‧‧‧Fixed block

41‧‧‧ hole

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

The second figure is an exploded view of the electrical 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 perspective view of one of the power supply terminal pairs shown in the second figure.

The sixth figure is a perspective view of one of the power supply terminals shown in the fifth figure.

The seventh figure is a perspective view of the combination of one of the signal terminals and the fixed block shown in the second figure.

100‧‧‧Electrical connector

10‧‧‧Insulated body

18‧‧‧Bumps

181‧‧‧ Guide surface

20‧‧‧Power terminal

231‧‧‧ solder feet

232‧‧‧ ribs

24‧‧‧Deduction Department

30‧‧‧ Signal Terminal

33‧‧‧Weld Department

40‧‧‧Fixed block

Claims (9)

An electrical connector includes an insulative housing and a plurality of power supply terminal pairs received in the insulating body, wherein the insulating body has a plurality of receiving slots for receiving the plurality of power terminal pairs, wherein the power terminal pair includes two opposite pairs a power supply terminal, each of which has a contact portion, a tail portion, and a connecting portion connecting the contact portion and the tail portion, wherein the rear end of the connecting portion is provided with a fastening portion, and the rear end of the receiving groove is opposite to the fastening portion And the abutting portion for displacing the power supply terminal with respect to the insulating body, wherein the fastening portion is a cantilever formed by tearing from the rear end of the connecting portion, and the abutting portion is from the inner wall of the receiving groove a protruding block protruding outwardly and abutting against the guiding arm below the cantilever, the rear end of the receiving groove is further provided with a protrusion, the protruding block is connected with the rear end of the guiding block, and the protruding block is provided with a tilting guide surface. The electrical connector of claim 1, wherein the cantilever extends in a direction away from the contact portion. The electrical connector of claim 2, wherein the receiving groove extends through the insulating body before and after, and the receiving groove includes an upper inner wall, an inner wall corresponding to the upper inner wall, and the upper inner wall , the inner wall on both sides of the lower inner wall. The electrical connector of claim 3, wherein the upper inner wall is recessed upwardly in the vertical direction to form two first card slots, and the two first card slots are used to respectively receive the two power terminals. The top of the connection. The electrical connector of claim 3, wherein the lower inner wall is recessed downwardly in the vertical direction to form two second card slots, and the two second card slots are used to respectively receive the two power sources. The bottom end of the connection portion of the terminal. The electrical connector of claim 5, wherein the lower inner wall is provided with a resisting block extending in the opposite direction of the plugging of the power terminal between the two second card slots to limit The two power supply terminals are moved in the left and right direction. The electrical connector of claim 3, wherein the guiding block protrudes outwardly from the side inner wall, and the power terminal is closely attached to the guiding block, so that the power terminal and the side inner side are A gap is formed between the walls for heat dissipation. The electrical connector of claim 1, wherein the fastening portion is an open slot, and the abutting portion is a block that is retained in the open slot. The electrical connector of claim 1, wherein the abutting portion is an open slot, and the engaging portion is a block that is retained in the open slot.