TWI581515B - Power Connector - Google Patents

Description

Power connector

The invention relates to a power connector, in particular to a power connector with simple structure and convenient assembly.

The power connector is a conventional electrical connector that is mainly used for current transmission. Conventional power connectors typically include a plurality or a single power terminal and an insulative housing for carrying the power terminal to insulate the power terminals. Each power terminal is provided with a mating end for connecting a pair of connectors and a connecting end soldered to a circuit board or connected to a cable. Usually, the docking end and the connecting end are arranged in one-to-one correspondence. However, when a large current transmission is required, such a power supply terminal is often difficult to load, and current transmission is unstable, thereby often causing trouble to an end user of an electronic product.

Taiwan Patent Application No. 201405977, published on Feb. 1, 2014, discloses a power connector that uses a plurality of screws and nuts to connect a terminal bus bar and a plurality of power terminals in parallel to provide high current transmission. . However, this type of screw and nut fixed connection means more components, difficult to locate, and leads to more installation procedures and higher costs.

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

It is an object of the present invention to provide a power connector that is simple in structure and convenient to manufacture.

To achieve the above object, the present invention relates to a power connector including: an insulative housing; a plurality of power terminals fixed to the insulative housing; a terminal bus bar electrically connected to the power terminal; and a parallel fastener The terminal bus bar is mechanically and electrically connected to one of the lead terminals disposed on the rear side of the insulative housing; wherein the power terminal is provided with a soldering leg, and the terminal bus bar has a matching with the soldering leg of the power terminal. a soldering hole is disposed on the butting piece, and the butting piece and the soldering leg are electrically connected to each other by solder at the soldering hole; the power terminal is provided with a contact piece arranged in a sheet shape and bent by the contact piece a first supporting portion, the first supporting portion and the butting piece are parallel to each other and abut against the butting piece, and the soldering foot is bent and extended from the first supporting portion and is received in the Inside the weld hole.

As a further improvement of the present invention, the power terminal is further provided with a second supporting portion extending from the contact piece toward the opposite tab, the second supporting portion is perpendicular to the butting piece, and the free end of the second supporting portion is also abutted The first support portion and the second support portion are respectively formed from two sides of the contact piece.

As a further improvement of the present invention, the insulative housing has a terminal receiving slot that is inserted through the front and rear to receive the plurality of power terminals, and the power terminals are disposed in pairs in each of the terminal receiving slots, and one pair of power terminals in each of the terminal receiving slots The solder fillets are arranged parallel to each other and abutted together, and are collectively housed in the same soldering hole.

As a further improvement of the present invention, one of the terminal receiving grooves in the terminal receiving groove is integrally connected to the welding legs of the power terminal, and the whole is in a shape, and the welding hole has an overall shape with the welding leg. Correspondingly, a one-shaped portion and a notched portion formed to be recessed outward from an inner position of the inner portion of the in-line portion are formed such that the welded hole is entirely in a cross shape.

According to a further improvement of the present invention, the width of the solder fillet is smaller than the width of the first support portion, and the direction of each of the power terminals is arranged in a direction in which one of the terminal receiving slots is in the pair of power terminals. a support portion having a support body portion located outside the solder fillet and at least one extending portion extending from the support body portion, the solder fillet being bent and extending from the support body portion, and the plane of the solder fillet and the plane The contact pieces are parallel, and the at least one extension extends to the side of the solder fillet.

As a further improvement of the present invention, the first support portion of each power terminal has a self-supporting body portion extending to one of the two sides of the solder fillet, and the plane of the free end of the extension portion and the solder fillet are located The planes are the same plane such that one end of each of the terminal receiving slots and the end of the extension end of the power terminal abut each other.

As a further improvement of the present invention, the first support portion of each power supply terminal has one of the extension portions extending from the support main body portion to the solder fillet side, and each of the power supply terminals further has a limit on the other side of the solder fillet. a plane in which the free end of the extending portion is in the same plane as the plane of the soldering leg, such that one end of each of the terminal receiving slots abuts against the end of the extending end of the power terminal; and each terminal receives the slot One of the pair of power terminals, the limiting portion of one of the power terminals is on the same plane as the first supporting portion, and the limiting portion of the other power terminal is overlapped to the limiting portion of the one of the power terminals facing the butting piece On one of the side surfaces, a stopper opening provided in cooperation with the stopper portion of the other power terminal is formed on the butt piece.

As a further improvement of the present invention, the limiting port is in communication with the welding hole.

As a further improvement of the present invention, the first support portion of each power supply terminal has one of the extension portions extending from the support main body portion to the solder fillet side, the extension portion extending beyond the solder fillet, and each terminal One of the receiving slots is staggered with respect to the extension of the power terminal, wherein the free end of the extension of one of the power terminals abuts against the opposite end faces of the support body of the other power terminal.

According to a further improvement of the present invention, the plane of the soldering foot is perpendicular to the plane of the contact piece, and the direction of each of the power terminals is arranged in a direction of one of the power receiving terminals in each of the terminal receiving slots. A support portion has a support body portion located outside the solder fillet and an extension portion extending from the support body portion, the solder tail is bent and extended from a side edge of the extension portion, and one of the terminal receiving slots is opposite to the power terminal The extension end of the extension portion of one of the power terminals is abutted to the corresponding end surface of the support body portion of the other power terminal.

As a further improvement of the present invention, the width of the solder fillet is the same as the extension length of the extension.

As a further improvement of the present invention, the first support portion is formed with a poly tin recess around the solder fillet.

The invention provides a soldering hole on the terminal bus bar, and the soldering piece of the terminal bus bar and the soldering leg of the power terminal are electrically connected to each other at the soldering hole by the solder, thereby making the power connector part of the invention more Less, the overall structure is simple, the manufacturing is convenient and the cost is low.

100‧‧‧Power connector

1‧‧‧Insulating body

11‧‧‧ Main body

110‧‧‧ docking

111‧‧‧Installation surface

112‧‧‧Terminal receiving slot

1121‧‧‧Power terminal receiving slot

1123‧‧‧ docking holes

1124‧‧‧Terminal fixing groove

1125‧‧‧Limited blocks

1122‧‧‧ Signal terminal receiving slot

12‧‧‧Extension

121‧‧‧ bottom wall

122‧‧‧Baffle

13‧‧‧ side

131‧‧‧ Guide column

132‧‧‧Fixed holes

2, 2', 2", 6, 8‧‧‧ power terminals

21, 21', 21", 81‧‧‧ first terminal

22, 22', 22", 82‧‧‧ second terminal

23, 63, 83‧ ‧ contact pieces

231‧‧‧Resistance film

24, 24', 24", 64, 84‧‧‧ first support

240‧‧‧ poly tin depression

241, 241', 241", 641, 841‧‧‧ support main body

242, 242’, 642, 842‧ ‧ extensions

25, 25', 25", 65, 85‧‧‧ solder feet

26‧‧‧Second support

27, 27" ‧ ‧ Limitation Department

271‧‧‧Outside

272‧‧‧ lap joint

3‧‧‧ Signal Terminal

4, 4', 4", 7, 9‧‧‧ terminal bus

40, 40', 40", 70, 90‧‧‧ solder holes

400‧‧‧1 font section

401‧‧‧ gap section

41, 41', 41", 71, 91‧‧‧ docking pieces

410, 410”‧‧‧ Limit Port

42‧‧‧Connecting piece

421‧‧‧secured holes

43‧‧‧Connection Bridge

44‧‧‧ positioning protrusion

5‧‧‧Parallel fasteners

51‧‧‧ Positioning nut

511‧‧‧ screw holes

52‧‧‧ screws

54‧‧‧ screws

55‧‧‧ Nuts

The first figure is a perspective view of a first preferred embodiment of the power connector of the present invention.

The second figure is a perspective view of another angle of the first figure.

The third figure is a partially exploded view of the power connector shown in the first figure.

The fourth figure is a view of another angle of the third figure.

The fifth figure is a structural exploded view of the third power terminal group, the terminal bus bar and the parallel fastener in the power connector shown in the third figure.

Figure 6 is a perspective view showing the three-dimensional structure of the third power supply terminal group, the terminal bus bar and the parallel fastener in the second preferred embodiment of the present invention.

The seventh figure is a structural exploded view of the third power terminal group, the terminal bus bar and the parallel fastener shown in the sixth figure.

Figure 8 is a perspective view showing the three-dimensional structure of the third power supply terminal group, the terminal bus bar and the parallel fastener in the third preferred embodiment of the present invention.

The ninth drawing is a partial structural exploded view of the third power terminal group, the terminal bus bar and the parallel fastener shown in the ninth diagram.

Figure 11 is a structural exploded view of a third power terminal group, a terminal bus bar and a parallel fastener in a fourth preferred embodiment of the present invention.

Figure 11 is a structural exploded view of a third power terminal group, a terminal bus bar, and a parallel fastener in a fifth preferred embodiment of the present invention.

Referring to FIG. 1 to FIG. 5 together, a first preferred embodiment of the power connector 100 of the present invention includes an insulative housing 1 and a power terminal fixed in the insulative housing 1 . 2 and the signal terminal 3, the terminal busbar 4 electrically connected to the plurality of power supply terminals 2, and the terminal busbar 4 and the lead-out element (not shown) provided on the rear side of the insulative housing 1 are mechanically and electrically connected together Parallel fasteners 5.

As shown in the third and fourth figures, the insulative housing 1 is provided with a main body portion 11 and an extension portion 12 extending rearward from the main body portion 11 in a mating direction of a pair of connectors (not shown). Both side portions 13 of the lateral sides of the main body portion 11. A guide pillar 131 extending forward is disposed at a position of the side portion 13 near the main body portion 11 to guide the docking of the mating connector. A fixing hole 132 is formed through the front and rear portions of the side portion 13 away from the main body portion 11 for fixing the power connector 100 of the present invention to an electronic device (not shown).

The main body portion 11 is provided with a mating surface 110 on the front side opposite to the mating connector, a mounting surface 111 on the rear side, and a plurality of terminal receiving grooves 112 extending through the mating surface 110 and the mounting surface 111. In the present invention, the terminal receiving slot 112 includes a plurality of power terminal receiving slots 1121 and a plurality of signal terminal receiving slots 1122. The power terminal receiving slots 1121 are arranged laterally along the insulative housing 1 , and the signal terminal receiving slots 1122 are located between the power terminal receiving slots 1121 .

Each of the power terminal receiving slots 1121 includes a mating hole 1123 in the middle to receive a mating terminal (not shown) of the mating connector, and terminal fixing slots 1124 respectively located on opposite sides of the mating hole 1123. The length of the terminal fixing groove 1124 extending along the height direction of the insulating body 1 is greater than the length of the docking hole 1123. A limiting block 1125 is protruded from the front side of the terminal fixing groove 1124 toward the mating hole 1123 to limit the insertion position of the power terminal 2 . The extension portion 12 includes a bottom wall 121 extending rearward from the bottom of the main body portion 11 and a plurality of partition plates 122 extending rearward from the mounting surface 111. The bottom wall 121 is connected to the partition plate 122.

As shown in the first to fifth figures, the power terminals 2 are disposed in pairs in each of the power terminal receiving slots 1121. The power connector 100 of the present invention is provided with ten pairs of power terminals 2, correspondingly distributed in ten. The power terminals are received in the slot 1121. In the present invention, each power terminal is received One of the pair of capacitor terminals 1121 is referred to as a first terminal 21 and a second terminal 22, respectively. In each of the pair of power terminals 2, the first terminal 21 and the second terminal 22 are provided with contact pieces 23 which are disposed in a sheet shape and are located at the rear end of the contact piece 23 and are bent toward each other from the contact piece 23. The first support portion 24 extends. The contact strips 23 of the first terminal 21 and the second terminal 22 are respectively received in the terminal fixing slots 1124 of each of the power terminal receiving slots 1121, and are respectively provided to be torn outwardly from the upper and lower sides. Resist the piece 231. The terminal fixing groove 1124 is provided with a resisting wall (not shown) disposed on the rear side of the resisting piece 231 and parallel to the mating surface 110. The resisting piece 231 abuts against the resisting wall, thereby preventing The power terminal 2 mounted in the terminal fixing groove 1124 moves rearward. The front end of the contact piece 23 abuts against the rear side of the limiting block 1125 to restrict the power terminal 2 from moving forward.

In the present invention, ten pairs of the power terminals 2 are divided into three groups, which are respectively a first power terminal group, a second power terminal group and a third power terminal group, and among the three groups, the first power terminal group The power terminal 2 is different in structure from the power terminal 2 in the second and third power terminal groups, and of course, may be provided in the same structure; each of the second power terminal group and the third power terminal group is connected to the power terminal 2 Since the configuration of the power supply terminal 2 is the same, the structure of each pair of power supply terminals 2 in the third power supply terminal group will be described in detail later. The first power terminal group and the third power terminal group include three pairs of power terminals 2, and the second power terminal group is located between the first power terminal group and the third power terminal group, and includes four pairs of power terminals 2.

Referring to the third and fourth figures, in the first power terminal group, each pair of power terminals 2 are connected to each other to form a parallel structure, thereby improving the current transmission effect. Specifically, the first support portions 24 of each pair of the power terminals 2 in the group are overlapped and disposed along the front and rear directions of the power connector 100 of the present invention, and correspondingly provided with fixing holes (not shown), so that each pair of the power terminals 2 A deriving element (not shown) can be directly coupled by a screw 54, a nut 55 and the fixing hole Electrical connection.

Referring to the third to fifth figures, in order to increase the current transmission of the power connector 100 of the present invention, the second power terminal group and the third power terminal group are respectively connected in parallel by a terminal bus bar 4 It is then connected to an external export component.

For example, the structure of each pair of power terminals 2 in the third power terminal group is illustrated. Referring to FIG. 5 , each power terminal 2 in the third power terminal group is further bent from the first support portion 24 . Extending the solder fillet 25. The terminal bus bar 4 has a mating piece 41 electrically connected to the soldering leg 25 of the power terminal 2, a connecting piece 42 disposed opposite the mating piece 41, and a connection between the lower end of the connecting butt piece 41 and the lower end of the connecting piece 42. Bridge 43. The connecting piece 42 is used to connect the lead-out element. The abutting piece 41 and the connecting piece 42 extend parallel to each other in the height direction of the power connector 100, and the height of the butting piece 41 extending away from the connecting bridge 43 is greater than the extending height of the connecting piece 42. The connecting bridge 43 abuts against the bottom wall 121 of the extension 12 . In addition, the third power terminal group is connected to the terminal bus bar 4 such that the butting piece 41 of the terminal bus bar 4 is provided with a soldering hole 40, the butting piece 41 and the third power terminal group The solder fillets 25 of the respective power supply terminals 2 are electrically connected to each other by soldering together.

Specifically, referring to the fifth figure, the first supporting portion 24 of each power terminal 2 of the third power terminal group and the abutting piece 41 of the terminal bus bar 4 are parallel to each other; and, at the third power terminal In each pair of power terminals 2 of the group, the first support portions 24 of the first terminal 21 and the second terminal 22 are located on the same plane and are both disposed against the mating piece 41. The solder tails 25 of the first terminal 21 and the second terminal 22 are bent from one end of the first support portion 24 toward each other, and are arranged in parallel with each other and face-to-face, thereby causing the solder fillet 25 of each pair of power terminals 2 After being butted together, the whole is in a single shape, and the welding holes 40 on one of the terminal convection sheets 4 can be shared. The solder fillet 25 is perpendicular to the butting tab 41 And placed in the welding hole 40.

Referring to the terminal busbar 4 connected to each pair of power terminals 2 of the second power terminal group in the third figure, the soldering holes 40 may be arranged in a word shape corresponding to the solder fillet 25. Of course, please refer to the terminal busbar 4 connected to each pair of power terminals 2 in the third power terminal group in the fifth figure. The soldering holes 40 may also be arranged in a cross shape as a whole, that is, corresponding to the overall shape of the soldering legs 25. The one-shaped portion 400 and the notched portion 401 which are recessed outward from the inner position of the inner portion of the in-line portion 400. The notch portion 401 can increase the solder holding capacity, thereby increasing the fixing effect between the power terminal 2 and the butting piece 41. In addition, the first supporting portion 24 is formed with a poly tin recess 240 around the solder fillet 25, thereby further increasing the soldering fixing effect between the power terminal 2 and the butting tab 41.

The width of the solder fillet 25 is smaller than the width of the first support portion 24. In the arrangement direction of each pair of power terminals 2, the first support portion 24 of each of the power terminals 2 has a support body portion 241 located outside the solder fillet 25 and at least one extension portion 242 extending from the support body portion 241. . The solder fillet 25 is bent and extended from the support main body portion 241, and the plane of the solder fillet 25 is parallel to the contact piece 23. The at least one extension portion 242 extends to the side of the solder fillet 25 in the width direction of the contact piece 23.

Referring to the fifth embodiment, in the embodiment, the solder fillet 25 is bent and extended from the middle of the support body portion 241 in the width direction of the contact piece 23, and each power terminal 2 is formed. The first support portion 24 has a self-supporting body portion 241 extending to one of the two sides of the solder fillet 25 to the extension portion 242, and the plane of the free end of the extension portion 242 is flush with the plane of the solder fillet 25, so that The ends of the extensions 242 of each pair of power terminals 2 abut each other, thereby increasing the mutual abutment positioning effect of the solder legs 25 of each pair of power terminals 2.

In addition, each of the power terminals 2 in the third power terminal group is also provided with self-contact The sheet 23 faces the second supporting portion 26 extending in the direction of the mating piece 41. The second supporting portion 26 is perpendicular to the butting piece 41, and the free end of the second supporting portion 26 also abuts against the butting piece 41 to increase the power supply. The positioning effect of the terminal 2 and the terminal bust 4 is abutted. The first supporting portion 24 and the second supporting portion 26 are respectively formed from two sides of the rear end of the contact piece 23, wherein the second supporting portion 26 is disposed adjacent to the connecting bridge 43 of the terminal bus bar 4, the first supporting portion 24 is away from the connecting bridge 43, thereby facilitating the arrangement of the parallel fasteners 5, and facilitating the docking and welding of the terminal busbars 4 with the power terminals 2. In the embodiment, the first support portion 24 and the second support portion 26 are spaced apart. Of course, the first support portion 24 and the second support portion 26 may also be connected along the width direction of the contact piece 23.

Referring to the third to fifth figures, the parallel fastener 5 includes a positioning nut 51 and a screw 52 that fixedly connect the terminal bus bar 4 and the lead-out member. The connecting piece 42 of the terminal bus bar 4 is provided with a holding hole 421 through which the screw 52 passes. The positioning nut 51 is disposed between the abutting piece 41 of the terminal bus bar 4 and the connecting piece 42 , and has a screw hole 511 extending through the fixing hole 421 . A positioning protrusion 44 is formed on the terminal bus bar 4 for holding the positioning nut 51 between the butt piece 41 and the connecting piece 42. The positioning protrusion 44 may be provided in a rib or a bump shape.

The above is a structural description of the first preferred embodiment of the power connector 100 of the present invention. As can be seen from the above, the power connector 100 of the present invention is provided with a soldering hole 40 on the terminal bus bar 4 and the terminal bus bar 4 is butted. The solder tails 25 of the power supply terminals 2 of the chip 41 and the second power supply terminal group and the third power supply terminal group are electrically connected to each other at the soldering hole 40 by soldering, thereby making the power connector 100 of the present invention have fewer components. The overall structure is simple, easy to install and low in cost.

Referring to the sixth and seventh embodiments, as a second preferred embodiment of the present invention, the difference from the first embodiment described above is only that the terminal busbars 4' are arranged in parallel. The power supply terminal 2' of the second power supply terminal group and the third power supply terminal group are arranged in cooperation with the terminal bus bar 4'; since the configuration of each power supply terminal 2' in the second power supply terminal group and the third power supply terminal group is the same, Therefore, the structure of the power supply terminal 2' and the terminal busbar 4' in the third power supply terminal group will be described in detail below. Other configurations are the same as those in the first embodiment, and will not be described again.

In this embodiment, the first supporting portion 24' of each power terminal 2' in the third power terminal group has one extending portion 242' extending from the supporting body portion 241' to the side of the soldering leg 25'. Each of the power terminals 2' also has a limiting portion 27 on the other side of the solder fillet 25'. On each of the power terminals 2, the plane of the free end of the extending portion 242' is flush with the plane of the soldering leg 25', so that the ends of the extending portions 242' of each pair of the power terminals 2' abut each other. The abutting effect is increased, so that each pair of power terminals 2' can be stably butted; and the limiting portion 27 extends beyond the solder legs 25', thereby facilitating docking of the solder legs 25' of each pair of power terminals 2' The limit is such that the solder fillet 25' of each pair of power terminals 2' can be quickly aligned. In addition, in each pair of power terminals 2', the limiting portion 27 of the first terminal 21' is located on the same plane as the first supporting portion 24', and the limiting portion 27 of the second terminal 22' is overlapped to the first The limiting portion 27 of the terminal 21' faces the one side surface of the abutting piece 41'. The butting piece 41' is further formed with a limiting port 410 disposed in cooperation with the limiting portion 27 of the second terminal 22'. The limiting port 410 communicates with the welding hole 40' of the terminal bus bar 4'.

Referring to the seventh embodiment, in the embodiment, the limiting portion 27 of the second terminal 22' is disposed in a stepped manner, and includes a side portion 271 on the same plane as the supporting main body portion 241'. After the outer portion 271 is bent and extended, it is overlapped to the overlapping portion 272 on the limiting portion 27 of the first terminal 21'. The outer portion 271 abuts the butting piece 41' of the terminal bus bar 4' together with the supporting body portion 241', and the limiting port 410 is for receiving the overlapping portion 272. And, in this real In the embodiment, the soldering holes 40' are arranged in a line shape, and the limiting ports 410 are in communication with the soldering holes 40' to form a closed inverted convex shaped opening.

Referring to FIG. 8 and FIG. 9 , the third preferred embodiment of the present invention is substantially the same as the second embodiment described above except that the second power terminal group and the third power terminal group are different. The configuration of the limiting portion 27" of the second terminal 22" of each pair of the power terminals 2" is provided. In this embodiment, the limiting portion 27" of the second terminal 22" of each pair of the power terminals 2" The plane of the second terminal 22" is different from the plane of the supporting body portion 241", so as to make the limiting portion 27 of the second terminal 22" Connected to the limiting portion 27" of the first terminal 21". In this embodiment, the limiting portion 27" of the second terminal 22" is integrally received in the limiting port 410 of the terminal busbar 4"" The inner limiting port 410" communicates with the welding hole 40" to form an open-type 7-type opening.

Referring to the tenth embodiment, as a fourth preferred embodiment of the present invention, the difference from the first embodiment is only the second power terminal group and the third power source which are arranged in parallel by the terminal bus bar 7. The power supply terminals 6 of the terminal group are arranged in cooperation with the terminal bus bars 7; since the configuration of each power supply terminal 6 in the second power supply terminal group and the third power supply terminal group is the same, only the third power supply terminal group is included in the portion. The structure of the power supply terminal 6 and the terminal bus bar 7 will be described in detail, and other configurations are the same as those of the first embodiment, and will not be described again.

In the embodiment, the first support portion 64 of each power terminal 6 in the third power terminal group has one extension portion 642 extending from the support body portion 641 to the solder fillet 65 side, and the extension portion 642 Extending beyond the solder fillet 65, the extensions 642 of each pair of power terminals 6 are staggered such that the free ends of the extensions 642 of one of the power terminals 6 abut against the corresponding end faces of the support body portion 641 of the other power terminal 6. Up, and further by an extension 642 of one of the power terminals 6 The soldering legs 65 of the other power terminal 6 are restricted from moving in the width direction of the contact piece 63, thereby facilitating the docking of the soldering legs 65 of each pair of the power terminals 6 so that the soldering legs 65 of each pair of the power terminals 6 can be quickly The alignment is set, and the docking positioning effect of the solder fillet 65 of each pair of power terminals 6 is improved.

Referring to FIG. 11 , as a fifth preferred embodiment of the present invention, the second embodiment is different from the foregoing first embodiment in that the second power terminal group and the third unit are arranged in parallel by the terminal bus bar 9 . The power supply terminals 8 of the power supply terminal group are arranged in cooperation with the terminal bus bars 9; therefore, only the structure of the partial power supply terminals 8 and the terminal bus bars 9 will be described in detail as follows, and other structures are the same as those of the first embodiment, and will no longer be Narration.

In this embodiment, the plane of the soldering leg 85 of the power terminal 8 is perpendicular to the plane of the contact piece 83, and the first of each of the power terminals 8 is arranged in the direction of arrangement of each pair of power terminals 8. The support portion 84 has a support body portion 841 located outside the solder fillet 85 and an extension portion 842 extending from the support body portion 841. The solder fillet 85 is formed by bending and extending from a side edge of the extending portion 842. Moreover, in each pair of power terminals 8, the extension portion 842 of the first terminal 81 and the extension portion 842 of the second terminal 82 are oppositely extended and staggered such that the extended end of the extension portion 842 of one of the power terminals 8 is resisted to the other The opposite ends of the support main body portion 841 of the power supply terminal 8 can thereby effectively improve the docking positioning effect of the solder fillet 85 of each pair of the power supply terminals 8. In addition, in the embodiment, the width of the solder fillet 85 is the same as the extension length of the extension portion 842.

In connection with the above description of the structure of the power connector 100 of the present invention, the present invention also relates to a method of manufacturing the power connector 100, comprising the steps of: first, providing a plurality of power terminals 2, 2', 2", 6, 8 and insulation The main body 1 and the power terminals 2, 2', 2", 6, 8 are fixed in the insulative housing 1, and the power terminals 2, 2', 2", 6, 8 are exposed on the rear side of the insulative housing 1. Solder pins 25, 25', 25", 65, 85; secondly, terminal busbars 4, 4', 4" are provided, 7, 9 and parallel fasteners 5, and the terminal bus bars 4, 4', 4", 7, 9 and a lead-out terminal are fixed together by the parallel fasteners 5, the terminal bus bars 4, 4' , 4", 7, 9 have butt pieces 41, 41', 41", 71, 91 opposite the power terminals 2, 2', 2", 6, 8 and the butt pieces 41, 41', 41" , 71, 91 are provided with welding holes 40, 40', 40", 70, 90; again, the terminal bus bars 4, 4', 4", 7, 9, parallel fasteners 5 and the export terminals are positioned to The rear side of the insulative housing 1 is such that the butting tabs 41, 41', 41", 71, 91 of the terminal busbars 4, 4', 4", 7, 9 and the power terminals 2, 2', 2", 6, 8 The solder fillets 25, 25', 25", 65, 85 are abutted; then, the solder tails 25, 25', 25", 65, 85 and the terminal busbars of the power terminals 2, 2', 2", 6, 8 4, 4', 4", 7, 9 are welded together at the locations of the weld holes 40, 40', 40", 70, 90 by soldering.

The terminal busbars 4, 4', 4", 7, 9, the parallel fasteners 5 and the lead-out terminals are positioned to the rear side of the insulative housing 1 by the bottom wall 121 and the partition of the rear side extension 12 of the insulative housing 1. The board 122 is positioned, and the soldering legs 25, 25', 25", 25", 65 of the soldering holes 40, 40', 40", 70, 90 are also passed through the power terminals 2, 2', 2", 6, 8. 85 is positioned with the butting sheets 41, 41', 41", 71, 91, whereby the welding can be facilitated on the one hand, and the first support portions 24, 24', 24", 64, 84 and the butt joint can be used on the other hand. 41, 41', 41", 71, 91 are opposed to each other to increase the contact conduction area, and improve current transmission stability.

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‧‧‧Power connector

11‧‧‧ Main body

12‧‧‧Extension

13‧‧‧ side

131‧‧‧ Guide column

2‧‧‧Power terminal

4‧‧‧Terminal bus

40‧‧‧welding holes

5‧‧‧Parallel fasteners

Claims (12)

A power connector includes: an insulative body; a plurality of power terminals fixed to the insulative housing; a terminal bus bar electrically connected to the power terminal; and a parallel fastener to insulate the terminal bus bar One of the outlet terminals of the rear side of the main body is mechanically and electrically connected to the body; wherein the power supply terminal is provided with a soldering leg, and the terminal bus bar has a mating piece matched with the soldering leg of the power terminal, and the connecting piece is disposed on the connecting piece a soldering hole, the butting piece and the soldering leg are electrically connected to each other by solder at the soldering hole; the power terminal is provided with a contact piece arranged in a sheet shape and a first supporting part bent and extended from the contact piece, The first supporting portion and the butting piece are parallel to each other and abut against the butting piece, and the soldering foot is bent and extended from the first supporting portion and received in the welding hole. The power connector of claim 1, wherein the power terminal is further provided with a second support portion extending from the contact piece toward the opposite tab, the second support portion being perpendicular to the butt tab, and second The free end of the support portion also abuts against the butt piece, and the first support portion and the second support portion respectively extend from two sides of the contact piece. The power connector of claim 1, wherein the insulative housing has a terminal receiving slot that is inserted through the front and rear to receive the plurality of power terminals, and the power terminals are disposed in pairs in each of the terminal receiving slots, each of the terminals receiving One of the slots of the power supply terminal is parallel and abutting with each other and is housed in the same soldering hole. The power connector of claim 3, wherein one of the terminal receiving slots of the one of the terminal receiving slots is integrally connected to the soldering legs of the power terminal, and the soldering holes have a shape corresponding to the overall shape of the soldering legs. The one-shaped portion and the notched portion formed to be recessed outward from the inner middle portion of the in-line portion are such that the welded hole as a whole has a cross shape. The power connector of claim 3, wherein the width of the solder fillet is smaller than the width of the first support portion, in the direction in which one of the terminal receiving slots is arranged in the pair of power terminals, a first support portion of the power terminal has a support body portion located outside the solder fillet and at least one extension extending from the support body portion, the solder tail is bent and extended from the support body portion, and the The plane of the solder fillet is parallel to the contact strip, and the at least one extension extends to the side of the solder fillet. The power connector of claim 5, wherein the first support portion of each power terminal has a self-supporting body portion extending to one of the two sides of the solder fillet, and the free end of the extension portion is located The plane is the same plane as the plane of the soldering foot, so that one end of each of the terminal receiving slots and the end of the extension end of the power terminal abut each other. The power connector of claim 5, wherein the first support portion of each power supply terminal has one of the extension portions extending from the support main body portion to the solder fillet side, and each of the power supply terminals further has a soldering a limiting portion on the other side of the leg, wherein a plane of the free end of the extending portion is in the same plane as a plane of the soldering leg, such that one end of each of the terminal receiving slots and the end of the extending end of the power terminal abut each other; And one of the power supply terminals of each of the terminal receiving slots, wherein the limiting portion of one of the power terminals is on the same plane as the first supporting portion, and the limiting portion of the other power terminal is overlapped to one of the power terminals The limiting portion faces the one side surface of the butting piece, and the butting piece is further formed with the other power terminal The limit position is matched with the limit port. The power connector of claim 7, wherein the limiting port is in communication with the welding hole. The power connector of claim 5, wherein the first support portion of each of the power terminals has one of the extensions extending from the support body portion to the side of the solder fillet, the extension extending beyond the Solder pins, and one of the terminal receiving slots is staggered with respect to the extension of the power terminal, wherein the free end of the extension of one of the power terminals abuts against the opposite end faces of the support body of the other power terminal. The power connector of claim 3, wherein the plane of the soldering foot is perpendicular to a plane of the contact piece, and in a direction in which one of the terminal receiving slots is arranged in the pair of power terminals, The first supporting portion of the power terminal has a supporting main body portion located outside the soldering leg and an extending portion extending from the supporting main body portion, and the soldering leg is bent and extended from a side edge of the extending portion, and each terminal receives One of the pair of power terminals in the slot has an extended end of one of the power terminals that abuts against a corresponding end face of the support body portion of the other power terminal. The power connector of claim 10, wherein the width of the solder fillet is the same as the extension length of the extension. The power connector of claim 1, wherein the first support portion is formed with a poly tin recess around the solder fillet.