TWI762037B - Electrical connector - Google Patents

Abstract

The present invention relates to an electrical connector comprising an insulative housing and a plurality of power contact pairs. The insulative housing includes a plurality of contact-receiving slots extending along a front-and-back direction. The power contact pairs are received in the relative contact-receiving slots and divided into at least two rows arranged in a height direction, and each power contact pair in each row includes a first power contact and a second power contact, each one of the first power contact and the second power contact defines at least one contacting portion. The first power contact defines at least two first contacting portions at one end thereof, the second contact defines at least one second contacting portion at one end thereof. There is a gap between two adjacent first contacting portions, and at least a part of each second contacting portion can pass through the gap through the first power contact, thereby the second contacting portion making an electrical connection with a counterpart element.

Description

electrical connector

The present invention relates to an electrical connector, in particular to an electrical connector which can effectively improve the heating condition of the conductive terminals.

The power terminal of a traditional electrical connector is usually formed from the front end of the metal sheet or divided into a plurality of contact arms. When the electrical connector transmits current, the highest temperature position of the power terminal is the contact point area of the contact arm. The contact method of the contact point is only line contact, which limits the current path. When the power terminal conducts a large current, the power terminal is easily due to the limited conductor path, so that the heat energy generated by the current impedance is too high, and then exceeds the limit. The temperature specification that the electrical connector can withstand.

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

The purpose of the present invention is to provide an electrical connector capable of increasing the conductor path, thereby effectively suppressing the heat generation of the conductive terminals.

In order to achieve the above object, the present invention provides an electrical connector, which has: an insulating body, which has a plurality of terminal grooves extending in the front-rear direction; and a plurality of power terminal pairs, which are fixed in the corresponding terminal grooves of the insulating body and are divided into There are at least two rows arranged in the height direction, and each pair of power supply terminals in each row includes a first terminal and a second terminal. Two terminals, each of the first terminal and the second terminal has a contact portion, the first terminal has at least two first contact portions at one end thereof, and the second terminal has at least one second contact portion at one end thereof There is a gap between two adjacent first contact parts, and at least a part of the at least one second contact part can pass through the first terminal through the gap, so that the second contact part and the first contact part Can be in electrical contact with the same side of a docking element.

As a further improvement of the present invention, wherein the first terminal includes a first holding portion suitable for being fixed in the insulating body and a row of first elastic contact arms located on one side of the first holding portion. A free end of an elastic contact arm is formed with the first contact portion, wherein there is the gap between the first contact portions; the second terminal includes a second holding portion suitable for being fixed in the insulating body and a second holding portion located in the first contact portion. One side of the two holding portions is a row of second elastic contact arms, and a second contact portion is formed at the free end of each of the second elastic contact arms.

As a further improvement of the present invention, wherein the contact portions of the two power terminals in each pair of power terminals are arranged in a height direction staggered, and in the process of mating with the butting element, the abutting element is first connected to one of the two power terminals The contact part contacts and pushes the piece of power supply terminal to move elastically toward the other piece of power supply terminal, and then makes the docking element contact with the other contact part of the two pieces of power supply terminal.

As a further improvement of the present invention, the height of the second contact portion is greater than the material thickness of the first contact portion, so that the second contact portion protrudes from the outer surface of the first terminal through the gap.

As a further improvement of the present invention, a base portion is formed at the free end of the second elastic contact arm, and the base portion and the second contact portion are formed to extend forward from the contact arm and are arranged side by side.

As a further improvement of the present invention, the base portion abuts against the first contact portion.

As a further improvement of the present invention, the included angle between the second elastic contact arm of the second terminal and the horizontal plane is greater than the included angle between the first elastic contact arm of the first terminal and the horizontal plane.

As a further improvement of the present invention, the insulating body has a mounting portion for mounting on the circuit board and a butt portion extending forward from the mounting portion, and the holding portions of the two power terminals in each pair of power terminals are along the The aforementioned are arranged in a row in the height direction, and are installed and fixed in the same terminal slot from the rear side of the aforementioned mounting portion to the front side.

As a further improvement of the present invention, the aforementioned first terminal and the second terminal are a single component made of a single piece of metal material.

As a further improvement of the present invention, the distance between the first holding portion and the second holding portion in the height direction is greater than the distance between the first contact portion and the second contact portion in the height direction.

Compared with the prior art, the electrical connector of the present invention sets a gap between two adjacent first contact portions of the first terminal, and at least a part of each second contact portion of the second terminal can pass through the aforementioned gap through the aforementioned gap. The first terminal enables the second contact portion to be in electrical contact with a docking element, which can effectively increase the current channel, improve the heating condition of the power terminal pair, and improve the transmission reliability of the electrical connector.

100, 100', 100": Electrical Connectors

1, 1', 1": insulating body

11: Installation Department

111: The first mounting surface

112: Second mounting surface

113: The third mounting surface

12: Butt joint

120: Docking space

121: Front face

13, 13': The first terminal slot

131: Through slot

132: Fixed slot

14: Barrier

15: Partition Wall

16: The second terminal slot

17', 17": top wall

171', 171": The first heat sink

172": missing slot

2, 2', 2": Power terminal pair

201, 201', 201": Holder

2011: Intervention Department

202, 202": Contact Department

2020, 2020": Contact Zone

203: Welding Department

2031, 2031': plate part

2032, 2032": Solder feet

204, 204": Contact Arm

205, 205": connecting arm

206': Second heat sink

207': Third heat sink

208": Base part

21, 21': Power terminals

211, 211', 211": outer terminal, second terminal

2112": convex part

212, 212', 212": inner terminal, first terminal

2121": Positioning slot

3, 3": signal terminal

31: Fixed part

311: Barb

32: plug-in part

33, 33": pin

4": Positioning seat

41":Through Hole

The first figure is a three-dimensional assembly view of the first preferred embodiment of the electrical connector of the present invention.

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

The third figure is a view from another perspective of the electrical connector shown in the first figure.

FIG. 4 is a perspective view of the insulating body of the electrical connector shown in FIG. 2 .

FIG. 5 is a perspective view of a pair of power terminals of the electrical connector shown in FIG. 2 .

FIG. 6 is an exploded perspective view of a pair of power terminals of the electrical connector shown in FIG. 5 .

FIG. 7 is a side view of a pair of power terminals of the electrical connector shown in FIG. 5 .

FIG. 8 is a schematic cross-sectional view of the electrical connector shown in FIG. 1 .

FIG. 9 is a schematic cross-sectional view of the electrical connector shown in FIG. 1 with one power terminal pair removed.

Figure 10 is a perspective assembly view of the second preferred embodiment of the electrical connector of the present invention.

FIG. 11 is an exploded perspective view of the electrical connector shown in FIG. 10 .

Figure 12 is a partial exploded view of a power terminal pair of the electrical connector shown in Figure 11.

FIG. 13 is a schematic cross-sectional view of the electrical connector shown in FIG. 10 .

Figure 14 is a perspective assembly view of the third preferred embodiment of the electrical connector of the present invention.

FIG. 15 is an exploded perspective view of the electrical connector shown in FIG. 14 .

FIG. 16 is a partial exploded view of a power terminal pair of the electrical connector shown in FIG. 15 .

FIG. 17 is a side view of a pair of power terminals of the electrical connector shown in FIG. 15 .

Referring to FIGS. 1 to 9 , a first preferred embodiment of the electrical connector of the present invention is shown. The electrical connector 100 includes an insulating body 1 and a plurality of power terminal pairs 2 fixed to the insulating body 1 . For the convenience of description, the following description will take the mating end of the electrical connector 100 as the front end and the other end opposite to the mating end as the rear end, that is, the front and rear directions are the distance between the electrical connector 100 and the mating element (not shown). The docking direction, in addition, defines a direction perpendicular to the front-rear direction as the lateral direction, and the other direction perpendicular to the front-rear direction is the height direction. In this embodiment, the dimension of the insulator body 1 in the lateral direction is greater than its height. direction and dimensions in the front-to-rear direction.

Referring to the first to fourth figures in combination with the eighth to ninth figures, in the present invention, the insulating body 1 has a mounting portion 11 , a butting portion 12 extending forward from the mounting portion 11 , a plurality of edges The first terminal grooves 13 extending in the front-rear direction and a plurality of partitions 14 extending in the front-rear direction are provided with one of the aforementioned partitions 14 between every two adjacent first terminal grooves 13 . The first terminal slot 13 penetrates the insulating body 1 in the front-rear direction, and the partition 14 extends forward from the mounting portion 11 to the front end surface 121 of the abutting portion 12 .

The aforesaid docking portion 12 has a docking space 120 which is opened forwardly to accommodate a docking element, and the aforesaid first terminal groove 13 communicates with the aforesaid docking space 120 .

In this embodiment, the aforementioned insulating body 1 has two upper and lower rows of first terminal slots 13 and partition walls 15 formed between the upper row of first terminal slots 13 and the lower row of first terminal slots 13 . The aforementioned partition walls 15 The first terminal grooves 13 in the upper row and the lower row are separated from each other by extending along the aforementioned lateral direction and formed inside the aforementioned mounting portion 11 . Further, the aforementioned partition wall 15 extends forward to the front end surface of the aforementioned mounting portion 11 , and does not extend forwardly into the aforementioned connecting portion 12 .

The rear side of the mounting portion 11 has a first mounting surface 111 , a second mounting surface 112 and a third mounting surface 113 spaced in the front-rear direction, wherein the third mounting surface 113 , the second mounting surface 112 and the first mounting surface 111 are arranged in sequence along the front-rear direction.

Referring to FIGS. 4 and 9, in this embodiment, the first terminal slot 13 includes a through slot 131 penetrating the mounting portion 11 in the front-rear direction and a plurality of fixing slots communicating with the through slot 131 132. The aforementioned fixing slots 132 are arranged in pairs and symmetrically. In this embodiment, the aforementioned first terminal slot 13 has two pairs of aforementioned fixing slots 132 spaced apart along the height direction, and the two aforementioned fixing slots 132 in each pair are separated. on both sides of the aforementioned through groove 131 in the lateral direction. In the same first terminal groove 13, the extension length of the fixing groove 132 on the upper side in the front-rear direction is greater than the extension length of the fixing groove 132 on the lower side Spend.

Referring to FIGS. 5 to 9, the pair of power terminals 2 is accommodated in the corresponding first terminal slot 13, and each pair of power terminals 2 includes two pieces of power terminals 21, namely the first terminal and the second terminal 21. Two terminals, each power terminal 21 is a single component made of a single piece of metal material. In addition, each power terminal 21 is provided with a holding portion 201 held in the first terminal slot 13 , a plurality of contact portions 202 extending forward from one end of the holding portion 201 , and a plurality of contact portions 202 extending from the other end of the holding portion 201 . In the welding part 203, the first terminal has a first holding part, a first contact part and a first welding part, and the second terminal has a second holding part, a second contact part and a second welding part. In addition, as shown in Figure 7, in this embodiment, the distance between the first holding portion and the second holding portion in the height direction is greater than the distance between the first contact portion and the second contact portion in the height direction.

The contact portions 202 of the two power terminals 21 in each pair of power terminals 2 are arranged in a row along the height direction, and the plurality of contact portions 202 of the two power terminals 21 are alternately arranged in the lateral direction. That is, there is a gap between two adjacent first contact parts, and at least a part of the second contact part can pass through the first terminal through the gap, so that the second contact part can be electrically connected to a docking element touch. Specifically, the height of the second contact portion is greater than the material thickness of the first contact portion, so that the second contact portion protrudes from the outer surface of the first terminal through the gap.

Of course, the contact parts 202 of the two power terminals 21 in each pair of power terminals 2 can also be dislocated in the height direction, as long as they can be connected with the docking element, the two power terminals 21 in each pair of power terminals 2 The contact portion 202 may be on the same horizontal plane along the height direction. When the contact portions 202 of the two power terminals 21 in each of the aforementioned pair of power terminals 2 can also be dislocated along the height direction, in the process of mating with the mating element, the aforementioned abutting element is first in contact with one of the two power terminals 21 . The part 202 contacts and pushes the piece of power supply terminal to move elastically toward the other piece of power supply terminal, and then makes the docking element reconnect. Contact with the other contact portion 202 of the two power terminals 21; specifically, when paired with the docking element, the docking element first contacts with one of the contact portions 202 of the two power terminals 21, and pushes the contact portion of the power terminal 202 elastically moves in the height direction toward the direction close to the contact portion 202 of the other power terminal.

The aforementioned power terminal pairs 2 are divided into two rows arranged oppositely along the height direction, that is, the upper row power terminal pair and the lower row power terminal pair, and the aforementioned power terminal pairs 2 are arranged in pairs along the height direction to form a group, each group of power terminals. The two power supply terminal pairs 2 in the pair 2 are opposite and spaced apart along the aforementioned height direction. In the front-rear direction, the welding portion 203 of the upper row of power terminal pairs is located behind the second mounting surface 102 , and the welding portion of the lower row of power terminal pairs is located between the second mounting surface 102 and the third mounting surface 103 .

In this embodiment, each power terminal 21 has three contact portions 202 extending forward from its holding portion 201 , the holding portion 201 is a sheet-like structure parallel to the horizontal plane, the contact portion 202 is curved, and There is a contact area 2020 protruding toward the aforementioned partition wall 15 .

The contact portions 202 of the pair of power terminals 2 in the same row are arranged in two rows staggered in the front-rear direction. At the same time, the contact regions 2020 of the contact portions 202 of the power supply terminal pair 2 in the same row are substantially on the same horizontal plane. Further, two adjacent contact portions 202 located in the same row are staggered along the front-rear direction. In this way, when the docking element is inserted, the contact portions 202 arranged in two rows staggered in the front-rear direction can be in contact with the docking element successively, so as to realize multi-level and multi-contact contact, so as to make the contact more sufficient and enhance the electrical connection. The stability and the stability of current transmission, in addition, make the insertion and extraction force distribution between the mating components uniform, and reduce the heat generation of the contact surface.

The two power terminals 21 in each pair of power terminals 2 are respectively an outer terminal 211 (ie a second terminal) and an inner terminal 212 (ie a first terminal). Compared with the aforementioned outer terminal 211 , the aforementioned inner terminal The holding portion 201 and the contact portion 202 of 212 are closer to the partition wall 15 of the insulating body 1 . before In the rear direction, the contact portion 202 of the outer terminal 211 is disposed forward of the contact portion 202 of the inner terminal 212 . The contact portion 202 of the aforementioned outer terminal 211 is in contact with the docking element first, and the contact portion 202 of the inner terminal 212 is then in contact with the docking element, so as to reduce the insertion force, make the insertion and extraction feel better, and avoid the elastic contact arm after long-term insertion and extraction. deformation and failure, thus ensuring a long-term electrical connection.

The holding portions 201 of the two power terminals 21 in each power terminal pair 2 are spaced apart along the height direction, and are installed and fixed in the same first terminal slot 13 from the rear side of the mounting portion 11 to the front. Interference portions 2011 protruding outward are respectively provided on both sides of each of the holding portions 201 in the lateral direction, and the interference portions 2011 interfere with the corresponding fixing grooves 132 of the first terminal grooves 13 .

As shown in FIG. 7, in the direction from top to bottom, the lengths of the holding portions 201 of the four power terminals 21 in each group of power terminals 21 in the aforementioned front-rear direction decrease sequentially, that is, in the upper row Among the two power terminals 21 in the power terminal pair 2, the length of the holding portion 201 of the outer terminal 211 in the front-rear direction is greater than the length of the holding portion 201 of the inner terminal 212; the two power terminals 21 in the power terminal pair 2 in the lower row Among them, the length of the holding portion 201 of the inner terminal 212 in the front-rear direction is greater than the length of the holding portion 201 of the outer terminal 211 . In addition, the length of the holding portion 201 of the inner terminal 212 in the upper row of power terminal pairs 2 in the front-rear direction is greater than the length of the holding portion 201 of the inner terminal 212 in the lower row of power terminal pairs 2 .

The aforementioned welding portion 203 includes a plate-shaped portion 2031 bent downwardly from the rear end of the aforementioned holding portion 201 and a plurality of welding legs 2032 extending downwardly from the bottom end of the aforementioned plate-shaped portion 2031 . The portion 2031 is arranged in parallel with the vertical plane, and the aforementioned solder pins 2032 extend along the vertical direction to be inserted into the external circuit board (not shown).

Each of the aforementioned power terminals 21 has a plurality of elastic contact arms 204 extending forward from the front end of the holding portion 201 , wherein the elastic contact arms 204 of the first terminal are the first elastic contact arms, and the elastic contact arms 204 of the second terminals are The second elastic contact arm. The aforementioned contact portion 202 is located at the corresponding contact arm 204 The front side is in contact with the aforesaid abutting element, and the aforesaid contact arm 204 passes forward through the aforesaid first terminal slot 13 and is accommodated in the aforesaid abutting portion 12 .

The angle between the contact arm 204 of the outer terminal 211 and the horizontal plane is larger than the angle between the contact arm 204 of the inner terminal 212 and the horizontal plane. In this embodiment, the inner terminal 212 also has a connecting arm 205 connecting the contact arm 204 and the holding portion 201 . The bending and extending directions of the connecting arm 205 and the contact arm 204 are opposite to make the included angle between them. The opening faces inward (ie, towards the aforementioned partition wall 15 ).

Specifically, taking the above row of power terminals 2 as an example, the connecting arm 205 is bent forward and upward from the front end of the holding portion 201 , and the contact arm 204 is bent forward and downward from the front end of the connecting arm 205 , so that the angle opening between the aforementioned contact arm 204 and the aforementioned connecting arm 205 faces downward. Further, the two holding parts 201 of the upper row of power supply terminal pairs 2 and the part located on the front side of the aforementioned holding parts 201 (including the plurality of contact arms 204 , the connecting arms 205 and the contact parts 202 ) and the two holding parts of the lower row of power supply terminal pairs 2 The part 201 and the part located on the front side of the holding part 201 are arranged in mirror symmetry.

Referring to FIGS. 1 to 3 in combination with FIG. 9, in this embodiment, the electrical connector 100 further has a plurality of signal terminals 3 located on one side of the pair of power terminals 2 in the lateral direction. The insulating body 1 also has a plurality of second terminal grooves 16 located on one side of the aforementioned first terminal groove 13 .

Each signal terminal 3 includes a fixing portion 31 , a plug portion 32 extending from one end of the fixing portion 31 , and a pin 33 extending from the other end of the fixing portion 31 . The fixing portion 31 is inserted into the second terminal slot 16 from the rear side of the mounting portion 11 and fixed in the second terminal slot 16 , and the plug-in portion 32 located on the front side of the fixing portion 31 protrudes into the docking portion 12 to realize electrical connection with the docking device. sexual connection. In this embodiment, the two sides of the fixing portion 31 are respectively provided with barbs 311, and the barbs 311 interfere with the mounting portion 11 to achieve the fixing of the signal terminal 3 in the insulating body 1 and prevent the connection with the docking device. When docking, the signal terminal 3 shakes and lifts the High docking stability.

In the electrical connector 100 of the present invention, the contact portions 202 of the two power terminals in the power terminal pair are arranged in a row along the height direction to form the same row of contact portions, and the plurality of contact portions 202 of the two power terminals are alternately arranged in the lateral direction. It can effectively increase the current channel, improve the heating condition of the power terminal pair 2, and improve the transmission reliability of the electrical connector 100.

Please refer to FIGS. 10 to 13, which are the second preferred embodiment of the electrical connector of the present invention. The electrical connector 100 ′ includes an insulating body 1 ′ and a plurality of power terminals fixed on the insulating body 1 ′. For 2', the basic structure and assembly relationship of the insulating body 1' and the pair of power terminals 2' are the same as those of the electrical connector 100 in the first preferred embodiment. illustrate:

The top wall 17' of the insulating body 1' is provided with a plurality of first heat dissipation grooves 171', the first heat dissipation grooves 171' penetrate the top wall 17' in the height direction, and the first heat dissipation grooves and the corresponding first heat dissipation grooves The terminal slots 13' are connected. Further, in this embodiment, the top wall 17 ′ is provided with two rows of the first heat dissipation grooves 171 ′ aligned in the front-rear direction, and each row of the first heat dissipation grooves 171 ′ is arranged side by side in the lateral direction, and is arranged in the front and rear directions. Directionally, the length of the first heat dissipation grooves 171' in the front row in the front-rear direction is greater than the length of the first heat dissipation grooves 171' in the rear row in the front-rear direction.

At least the power terminal 21 ′ on the upper side of each pair of power terminals 2 ′ has at least one second heat dissipation groove 206 ′, and the second heat dissipation groove 206 ′ is opened on the corresponding holding portion 201 ′ and is along the height direction This holding part 201' is penetrated. In this embodiment, the holding portions 201' of the two power terminals 21' in each upper row of power terminals 2' are provided with the aforementioned second heat dissipation grooves 206', and each lower row of power terminals 2' Among the two power terminals 21 ′, only the power terminal located on the upper side (ie, the inner terminal 212 ′ in the lower row of power terminal pairs 2 ′) is provided with the aforementioned second heat dissipation groove 206 ′.

Since the aforementioned holding portion 201 ′ is fixed in the corresponding first terminal slot 13 ′, the aforementioned power supply terminal The heat generated after the sub 21' is energized can be dissipated through the second heat dissipation groove 206', the first terminal groove 13' and the first heat dissipation groove 171' to prevent the heat from accumulating inside the insulating body 1'.

In addition, at least one third heat dissipation groove 207' is defined on the plate portion 2031' of each power terminal 21' in the upper row of power terminal pairs 2', and in the height direction, the third heat dissipation groove on the outer terminal 211' The length of 207' is greater than the length of the third heat dissipation groove 207' on the inner terminal 212'. In addition, the projections of the third heat dissipation grooves 207' on the two power terminals 21' in each power terminal pair 2' in the upper row on the vertical plane at least partially overlap, and the aforementioned third heat dissipation grooves 207' are on the vertical plane. The projection of the lower row of the first terminal slots 13' falls inside the projection of the lower row of the first terminal slots 13' on the aforementioned vertical plane, that is, the aforementioned third heat dissipation slot 207' is aligned with the aforementioned lower row of the first terminal slots 13' in the front-rear direction. In this embodiment, the projection of the third heat dissipation groove 207' on the inner terminal 212' on the vertical plane falls inside the projection of the third heat dissipation groove 207' on the outer terminal 211' on the vertical plane. In this way, the heat dissipation channel on the outside is larger, so as to quickly dissipate the heat on the power terminals.

Please refer to FIGS. 14 to 17, which are the third preferred embodiment of the electrical connector of the present invention. The electrical connector 100" includes an insulating body 1" and a plurality of power supplies fixed to the insulating body 1". The terminal pair 2'' and the signal terminal 3'', wherein the basic structure and assembly relationship of the insulating body 1'' and the power terminal pair 2'' are the same as the electrical connector 100 in the first preferred embodiment. Explain its differences:

The first heat dissipation groove 171" of the insulating body 1" is opened at the front of the top wall 17" and is a long strip extending in the front-rear direction. The contact portion 202" is exposed outward. The top wall 17" is also provided with a plurality of notches 172" at the rear thereof, the notches 172" communicate with the corresponding first terminal grooves, and the rear portion of the pair of power terminals 2" protrudes from the corresponding notches 172" .

Each of the aforementioned power terminal pair 2" inner and outer terminals 211" has a front side of the contact arm 204" The contact portion 202" and the base portion 208" are formed by extending forward from the contact arm 204", and the base portion 208" is located in one of the lateral directions of the contact portion 202". side, the base portion 208" abuts against the first contact portion of the inner terminal 212"; in this embodiment, the contact portion 202" of the outer terminal 211" is formed by tearing downward from the side portion of the base portion 208". , and is curved inwardly so that the contact area 2020" of the contact area 2020" of the corresponding inner terminal 212" is roughly aligned with the contact area 2020" of the corresponding inner terminal 212". 2020" and the contact area 2020" of the corresponding inner terminal 212" are dislocated in the front-rear direction. Further, please refer to Figure 17, in the front-rear direction, the contact of the contact portion 202" of the outer terminal 211". The area 2020" is disposed behind the contact area 2020" of the aforementioned contact portion 202" of the inner terminal 212".

Please refer to FIG. 17, the inner terminal 212" also has a contact arm 204" and a connecting arm 205" connecting the contact arm 204" with the holding portion 201", and the contact arm 204" of the outer terminal 211" is connected to the The included angle between the horizontal planes is greater than the included angle between the contact arm 204" of the inner terminal 212" and the horizontal plane. In addition, the contact arm 204" and the connecting arm 205" of the inner terminal 212" both extend from the front to the rear while extending upwardly obliquely, However, the included angle between the contact arm 204" of the aforementioned inner terminal 212" and the aforementioned connecting arm 205" and the horizontal plane is different in size, and the included angle between the aforementioned connecting arm 205" and the horizontal plane is larger than that between the aforementioned contact arm 204" and the horizontal plane. angle.

When not butted with the butting element, the contact area 2020" of the aforementioned outer terminal 211" is located on the inner side of the contact area 2020" of the corresponding inner terminal 212"; when it is butted with the butting element, the contact area of the power terminal pair 2" in the same row The contact area 2020" of the portion 202" is on the same level.

In addition, the inner terminal 212 ″ and the outer terminal 211 ″ of the aforementioned power terminal pair 2 ″ are arranged in a height direction, and have a fixing structure to be combined with each other so that the two are stacked and fixed. In this embodiment, the aforementioned fixing structure is: The convex portion 2112" and the positioning groove 2121" that cooperate with each other, further, the aforementioned external terminal 211" has at least one protruding portion 2112" protruding toward the inner terminal 212", and the inner terminal 212" has a positioning groove 2121" into which the protruding portion 2112" is inserted and fixed.

The aforementioned electrical connector 100" also has a positioning seat 4" for simultaneously fixing the signal terminal 3" and the aforementioned pair of power terminals 2" in the insulating body 1". and a plurality of through holes 41" through which the pins 33" pass.

It should be particularly pointed out that, for those of ordinary skill in the art, the equivalent changes to the present invention made under the teaching of the present invention should still be included in the claimed scope of the patentable scope of the present invention.

201: Retaining Department

2011: Intervention Department

202: Contact Department

203: Welding Department

204: Contact Arm

Claims (10)

An electrical connector, comprising: an insulating body having a plurality of terminal grooves extending in the front-rear direction; and a plurality of power terminal pairs, which are fixed in the corresponding terminal grooves of the insulating body and are divided into at least two rows arranged in the height direction, Each pair of the aforementioned power terminals in each row includes a first terminal and a second terminal, each sheet of the first terminal and the second terminal has a contact portion, and the aforementioned first terminal has at least two first contacts at one end thereof The second terminal has at least one second contact portion at one end thereof; wherein there is a gap between two adjacent first contact portions, and at least a part of the at least one second contact portion can pass through the gap. The first terminal enables the second contact portion and the first contact portion to be in electrical contact with the same side of a docking element. The electrical connector of claim 1, wherein the first terminal comprises a first holding portion adapted to be fixed in the insulating body and a row of first elastic contacts located on one side of the first holding portion Arms, a first contact portion is formed at the free end of each of the first elastic contact arms, wherein there is the gap between the first contact portions; the second terminal comprises a first contact portion suitable for being fixed in the insulating body Two holding portions and a row of second elastic contact arms located on one side of the second holding portion, and a second contact portion is formed at the free end of each of the second elastic contact arms. The electrical connector as described in claim 2, wherein the contact portions of the two power terminals in each pair of power terminals are dislocated along the height direction. One of the contact parts of the two power terminals contacts and pushes the power terminal to move elastically to the other power terminal, and then makes the docking element and the two power terminals again. The other contact part contacts. The electrical connector of claim 2, wherein the height of the second contact portion is greater than the material thickness of the first contact portion, so that the second contact portion protrudes from the first terminal through the gap. The outer surface. The electrical connector as claimed in claim 4, wherein a base portion is formed at the free end of the second elastic contact arm, and the base portion and the second contact portion are formed by extending forward from the contact arm and side by side set up. The electrical connector of claim 5, wherein the base portion abuts against the first contact portion. The electrical connector according to any one of claims 2 to 6, wherein the angle between the second elastic contact arm of the second terminal and the horizontal plane is greater than the angle between the first elastic contact arm of the first terminal and the horizontal plane angle between. The electrical connector of claim 1, wherein the insulating body has a mounting portion for mounting on a circuit board and a butt portion extending forward from the mounting portion, two of each pair of power terminals The holding parts of the chip power terminals are arranged along the height direction, and are installed and fixed in the same terminal slot from the rear side of the installation part to the front. The electrical connector according to any one of claims 1 to 6, wherein the first terminal and the second terminal are a single component made of a single metal sheet. The electrical connector according to claim 2, wherein the distance between the first holding portion and the second holding portion in the height direction is greater than the distance between the first contact portion and the second contact portion in the height direction.

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