Power connector

Abstract

This invention discloses a power connector. The power connector includes: an insulating housing, at least one row of power terminal assemblies, and a plurality of positioning plugs. Each power terminal assembly includes an inner power terminal and an outer power terminal. The inner power terminal is provided with at least one inner socket. The outer power terminal is provided with at least one outer socket. The insulating housing is provided with a row of through holes. Each through hole is aligned linearly with the corresponding outer socket and the inner socket. Each positioning plug is inserted into the corresponding through hole, the outer socket, and the inner socket to independently fix the power terminal assembly in the insulating housing, preventing the power terminal assembly from retracting or loosening when the inserter is inserted.

Description

Power connector POWER CONNECTOR Technical Field

[0001] This invention relates to the field of connector technology, and more particularly to a power connector. Prior Technology

[0002] Power connectors are typically subjected to frequent plugging and unplugging, and their power terminals are only fixed in the insulating housing by hard interference. When plugging and unplugging frequently or improperly, the power terminals may gradually come out of the insulating housing, thus causing safety issues.

[0003] In addition, the power connector may overheat during use, which not only affects current transmission but also causes safety issues.

[0004] Therefore, it is necessary to provide a safer and more reliable power connector. Summary of the Invention

[0005] One of the objectives of this invention is to provide a power connector having a plurality of positioning plugs that can independently fix a row of power terminal assemblies in an insulating housing, preventing the power terminal assemblies from retracting or loosening when the insert is inserted.

[0006] Another objective of this invention is to provide a power connector in which the outer power terminals and inner power terminals of each power terminal assembly are completely overlapped in a certain area, thereby improving the current carrying capacity; while in another area, a gradual gap is formed, thereby improving its heat dissipation performance.

[0007] Other purposes and advantages of this work can be further understood from the technical features disclosed herein.

[0008] To achieve the above objectives, this work adopts the following technical solution:

[0009] A power connector includes: an insulating housing, at least one row of power terminal assemblies, and a plurality of positioning plugs. The insulating housing has a mating surface, a mounting surface, a socket located on the mating surface, a slot communicating with the socket, and at least one row of power terminal receiving slots penetrating the mating surface and the mounting surface; wherein the slot is used for inserting an insert along a mating direction. The power terminal assemblies are received in corresponding power terminal receiving slots. The positioning plugs are used to independently fix the row of power terminal assemblies in the insulating housing. Each power terminal assembly includes: an inner power terminal and an outer power terminal. The inner power terminal is provided with, along the mating direction, the following: multiple independent and parallel inner arc segments protruding towards the slot and exposed in the slot; an inner inclined segment tilted towards the slot; an inner bent segment located in the power terminal receiving groove; an inner fixing segment for fixing to the power terminal receiving groove; and multiple independent and parallel inner tail segments extending out of the mounting surface; wherein the inner arc segments are used to form electrical contact with the insert. The outer power terminal is provided with, along the mating direction, the following: multiple independent and parallel outer elastic pressure fingers; an outer fixing segment; and multiple independent and parallel outer tail segments extending out of the mounting surface; wherein each outer elastic pressure finger has an outer arc segment and an outer inclined segment. Each outer arc segment is stacked on the side of the corresponding inner arc segment away from the slot, and the outer arc segment is always attached to the inner arc segment before and after the insert is inserted into the slot. The outer inclined section is inclined to the inner inclined section, and a first gradual gap is formed between the outer inclined section and the inner inclined section. The outer tail section is parallel to the inner tail section. The outer fixing section is parallel to the inner fixing section. The outer fixing section is provided with at least one outer insertion hole; the inner fixing section is provided with at least one inner insertion hole; the insulating shell is provided with a row of through holes, each through hole penetrating the opposite first and second outer surfaces of the insulating shell and communicating with the power terminal receiving slot; each through hole is aligned in a straight line with the corresponding outer and inner insertion holes. Each positioning plug is inserted into the corresponding through hole, outer insertion hole, and inner insertion hole.

[0010] In one embodiment, the positioning plug has a first positioning end and a second positioning end disposed opposite to each other, for at least forming a tight fit with the through hole.

[0011] In one embodiment, the positioning plug is a positioning rod made of metal or insulating material; the through hole is square, and the outer and inner insertion holes are both circular; the outer fixing section is symmetrically provided with two outer insertion holes for inserting two positioning plugs; the inner fixing section is symmetrically provided with two inner insertion holes for inserting two positioning plugs.

[0012] In one embodiment, the positioning plug is a positioning plate made of metal or insulating material; the through hole, the outer layer socket, and the inner layer socket are all elongated; the outer layer socket is located at the center of the outer layer fixing section; and the inner layer socket is located at the center of the inner layer fixing section.

[0013] In one embodiment, the insulating shell is upright, the mating surface is parallel to the mounting surface, and the mounting surface is the bottom surface of the insulating shell; a gap of equal width is formed between the outer fixing section and the inner fixing section; a second gradient gap is formed between the outer fixing section and the inner bending section; wherein the first gradient gap, the second gradient gap and the gap of equal width are sequentially connected and their widths increase sequentially.

[0014] In one embodiment, the cross-section of the first gradient gap is triangular along the docking direction, while the cross-section of the second gradient gap is trapezoidal.

[0015] In one embodiment, the first gradient gap has a first port and a second port, the size of the second port being larger than the size of the first port, and the second port being connected to the second gradient gap; the second gradient gap has a third port and a fourth port, the size of the fourth port being larger than the size of the third port, and the fourth port being connected to the equal-width gap; the second port overlaps with the third port.

[0016] In one embodiment, both the inner fixing segment and the outer fixing segment are upright.

[0017] In one embodiment, the insulating shell is bent, the mating surface is perpendicular to the mounting surface, and the mounting surface is higher than the bottom surface of the insulating shell; the outer fixing section is stacked on the inner fixing section; the outer power terminal is further provided with an outer bending section, the outer bending section is located between the outer elastic pressure finger and the outer fixing section, and a third gradual gap is formed between the outer bending section and the inner bending section; wherein, the first gradual gap and the third gradual gap are connected.

[0018] In one embodiment, the cross-sections of the first gradient gap and the third gradient gap are different triangles along the docking direction.

[0019] In one embodiment, the first gradient gap has a first port and a second port, the size of the second port being larger than the size of the first port, and the second port communicating with the third gradient gap; the third gradient gap has a fifth port and a sixth port, the size of the fifth port being larger than the size of the sixth port; the second port overlaps with the fifth port.

[0020] In one embodiment, both the inner fixing segment and the outer fixing segment are shaped into an inverted Z-shape after being bent vertically twice.

[0021] In one embodiment, a row of grooves is provided on the first outer surface of the insulating shell, which corresponds to and communicates with the perforations.

[0022] In one embodiment, the inner bending section is provided with a pair of parallel strip holes for connecting the slot, the power terminal receiving slot, and the first gradient gap.

[0023] In one embodiment, a row of first heat dissipation holes is provided on the first outer surface of the insulating housing; and a row of second heat dissipation holes is provided on the second outer surface of the insulating housing; the first heat dissipation holes and the second heat dissipation holes are respectively connected to the corresponding power terminal receiving slots.

[0024] Compared to conventional technology, the present invention's power connector, by providing the positioning plug, can independently fix a row of power terminal assemblies within the insulating housing, preventing the insert from retracting or loosening during insertion. Furthermore, the present invention's power terminal assembly, by completely overlapping a portion of the outer and inner power terminals (e.g., the outer arc segment and the inner arc segment), enhances current carrying capacity; while in another portion, a gradual gap (e.g., the first gradual gap) is formed, thereby improving heat dissipation efficiency. Simple Explanation of the Diagram

[0025] Figure 1 is a perspective view of the power connector according to the first embodiment of this invention. Figure 2 is a perspective view of the power connector shown in Figure 1 from another angle. Figure 3 is an exploded view of the power connector shown in Figure 1. Figure 4 is a partial exploded view of the power connector shown in Figure 1 from another angle. Figure 5 is a cross-sectional view of the power connector shown in Figure 1. Figure 6 is a perspective view of one pair of power terminal assemblies of the power connector shown in Figure 1. Figure 7 is a side view of the pair of power terminal assemblies shown in Figure 6. Figure 8 is an disassembled view of the pair of power terminal assemblies shown in Figure 6. Figure 9 is a structural diagram of the power terminal assembly and positioning plug according to the second embodiment of this invention. Figure 10 is a perspective view of the power connector according to the third embodiment of this invention. Figure 11 is a perspective view of the power connector shown in Figure 10 from another angle. Figure 12 is an exploded view of the power connector shown in Figure 10. Figure 13 is a partial exploded view of the power connector shown in Figure 10 from another angle. Figure 14 is a cross-sectional view of the power connector shown in Figure 10. Figure 15 is a perspective structural schematic diagram of one of the power connector pairs shown in Figure 10. Figure 16 is a side view of the pair of power terminal assemblies shown in Figure 15. Figure 17 is an anatomical diagram of the pair of power terminal assemblies shown in Figure 15. Figure 18 is a structural schematic diagram of the power terminal assembly and positioning plug according to the fourth embodiment of this invention. Implementation

[0026] The following description of embodiments is with reference to the accompanying drawings, used to illustrate specific embodiments in which the present invention can be implemented. Directional terms used in this invention, such as "up," "down," "front," "back," "left," "right," "top," and "bottom," are merely for reference to the novel drawings. Therefore, the directional terms used are for illustrative and understanding purposes only, and not for limiting the present invention.

[0027] This invention is a female connector that can be mounted on a circuit board (not shown) to mate with an insert (not shown) and transmit power.

[0028] Referring to Figures 1 and 2, the power connector 1 of the first embodiment of this invention is upright, and its mating direction X with the insert is perpendicular to the circuit board. For ease of explanation, the two directions perpendicular to the mating direction X are defined as a transverse direction Y and a longitudinal direction Z, respectively. In other embodiments, the power connector 1 may also be a right-angle power connector or a power connector at other angles, and its mating direction X may be parallel to or inclined to the circuit board.

[0029] Please refer to Figures 1 to 5. In the first embodiment, the power connector 1 of this invention includes an insulating housing 10, at least one row of power terminal assemblies 20, and a plurality of positioning plugs 30.

[0030] The insulating housing 10 has a mating surface 11, a mounting surface 12, a socket 13 located on the mating surface 11, a slot 14 communicating with the socket 13, and at least one row of power terminal receiving slots 15 passing through the mating surface 11 and the mounting surface 12 and located on one side of the slot 14; wherein, the slot 14 is used for inserting an insert along the mating direction X, and the power terminal receiving slot 15 is used to receive the corresponding power terminal assembly 20.

[0031] Specifically, in this embodiment, the insulating housing 10 is upright, the mating surface 11 is parallel to the mounting surface 12, and the mounting surface 12 is the bottom surface of the insulating housing 10. The row of power terminal receiving slots 15 is arranged along the longitudinal direction Z. The insulating housing 10 is provided with two rows of power terminal receiving slots 15, distributed along the transverse direction Y on both sides of the slot 14. The power connector 1 includes two rows of power terminal assemblies 20, which are respectively assembled in the corresponding power terminal receiving slots 15.

[0032] As shown in Figures 6, 7 and 8, each power terminal assembly 20 includes an inner power terminal 21 and an outer power terminal 22.

[0033] The inner power terminal 21 is provided with the following components along the mating direction X: a plurality of independent and parallel inner arc segments 210 protruding toward the slot 14 and exposed in the slot 14; an inner inclined segment 211 inclined toward the slot 14; an inner bent segment 212 located in the power terminal receiving groove 15; an inner fixing segment 213 for fixing to the power terminal receiving groove 15; and a plurality of independent and parallel inner tail segments 214 extending out of the mounting surface 12; wherein the inner arc segment 210 is used to form electrical contact with the insert.

[0034] The outer power terminal 22 is provided with the following in sequence along the mating direction X: a plurality of independent and parallel outer elastic pressure fingers 220, an outer fixing section 221 for fixing to the power terminal receiving groove 15, and a plurality of independent and parallel outer tail sections 222 extending out of the mounting surface 12; wherein each outer elastic pressure finger 220 has an outer arc section 2201 and an outer inclined section 2202.

[0035] As shown in Figure 7, each outer arc segment 2201 is stacked on the side of the corresponding inner arc segment 210 away from the slot 14, and the outer arc segment 2201 is always attached to the inner arc segment 210 before and after the insert is inserted into the slot 14. With this design, the outer power terminal 22 and the inner power terminal 21 can jointly conduct current, and the outer power terminal 22 can enhance the contact force between the inner arc segment 210 and the insert when the inner arc segment 210 forms electrical contact with the insert, thereby improving the stability of current conduction.

[0036] As shown in Figure 7, the outer inclined segment 2202 is inclined relative to the inner inclined segment 211, and a first gradient gap 23 is formed between the outer inclined segment 2202 and the inner inclined segment 211. This invention improves thermal conductivity and enhances heat dissipation performance by forming the first gradient gap 23 between the outer power terminal 22 and the inner power terminal 21 as a heat dissipation gap.

[0037] As shown in Figure 7, the outer tail segment 222 is parallel to the inner tail segment 214.

[0038] As shown in Figure 7, the outer fixing segment 221 is parallel to the inner fixing segment 213. In this embodiment, both the outer fixing segment 221 and the inner fixing segment 213 are upright.

[0039] As shown in Figure 8, the outer fixing section 221 is provided with at least one outer insertion hole 223; the inner fixing section 213 is provided with at least one inner insertion hole 215.

[0040] Referring to Figures 3 and 5, the insulating housing 10 is provided with a row of through holes 16. Each through hole 16 penetrates the opposite first outer surface 101 and second outer surface 102 of the insulating housing 10 and connects to the power terminal receiving slot 15. Each through hole 16 is aligned in a straight line with the corresponding outer layer insertion hole 223 and the inner layer insertion hole 215.

[0041] Referring to Figure 5, the positioning plug 30 is used to independently fix the row of power terminal assemblies 20 into the insulating housing 10. Each positioning plug 30 is inserted into the corresponding through hole 16, outer insertion hole 223, and inner insertion hole 215 to further prevent the power terminal assembly 20 from retracting or loosening during insertion. The power terminal assembly 20 of this invention is fixed not only by the hard interference between the outer fixing section 221 and the inner fixing section 213 and the insulating housing 10, but also by the positioning plug 30. This dual fixing method greatly improves the safety of the power connector 1.

[0042] Furthermore, each of the row of power terminal assemblies 20 can be independently fixed to the insulating housing 10 by the positioning plugs 30. That is, this invention utilizes multiple positioning plugs 30 to fix the corresponding power terminal assembly 20 one by one, rather than using a long bar to fix a row of power terminal assemblies 20. Therefore, this invention not only avoids missing any power terminal assembly 20, but also ensures that the force on any power terminal assembly 20 is not transmitted or accumulated to other power terminal assemblies 20, thereby further improving the safety of all power terminal assemblies 20.

[0043] Furthermore, since the positioning plug 30 passes through the outer layer insertion hole 223 and the inner layer insertion hole 215, the outer layer power terminal 22 and the inner layer power terminal 21 become a rigid whole and are fixed in the insulating housing 10 as a whole. The insertion of the insert will not cause any displacement or shift of the outer layer power terminal 22 and the inner layer power terminal 21.

[0044] As shown in Figure 5, the positioning plug 30 has a first positioning end 31 and a second positioning end 32 that are disposed opposite to each other, and are used to form a tight fit with at least the through hole 16.

[0045] In the first embodiment, as shown in Figures 3 and 4, the positioning plug 30 is a positioning rod made of metal or insulating material. The through hole 16 is square; the outer insertion hole 223 and the inner insertion hole 215 are both circular. As shown in Figure 8, the outer fixing section 221 has two symmetrically arranged outer insertion holes 223, and the inner fixing section 213 has two symmetrically arranged inner insertion holes 215, for inserting the two positioning plugs 30. This invention utilizes the two positioning plugs 30 to jointly fix a power terminal assembly 20, which can further improve the stability of the power terminal assembly 20.

[0046] The structure of the power terminal assembly 20 will now be described in more detail.

[0047] Referring to Figure 7, a second gradient gap 24 is formed between the outer fixing section 221 and the inner bending section 212; a uniform width gap 25 is formed between the outer fixing section 221 and the inner fixing section 213; wherein the first gradient gap 23, the second gradient gap 24, and the uniform width gap 25 are sequentially connected and their widths increase sequentially. For example, the width D3 of the uniform width gap 25 is greater than the average width D2 of the second gradient gap 24; the average width D1 of the first gradient gap 23 is greater than the average width D2 of the second gradient gap 24.

[0048] Therefore, by further setting the second gradient gap 24 and the equal-width gap 25, which together with the first gradient gap 23 form the heat dissipation gap between the outer power terminal 22 and the inner power terminal 21, this invention can further improve its thermal conductivity characteristics, thereby enhancing its heat dissipation performance.

[0049] Specifically, as shown in Figure 7, the first gradient gap 23 has a first port 230 and a second port 231, the size of the second port 231 is larger than the size of the first port 230, and the second port 231 is connected to the second gradient gap 24; the second gradient gap 24 has a third port 240 and a fourth port 241, the size of the fourth port 241 is larger than the size of the third port 240, and the fourth port 241 is connected to the equal-width gap 25; the second port 231 overlaps with the third port 240.

[0050] Overall, along the docking direction X, the cross-section of the first gradient gap 23 is triangular, while the cross-section of the second gradient gap 24 is trapezoidal.

[0051] In addition, the power connector 1 of this invention is also provided with an auxiliary heat dissipation structure. Specifically, a pair of parallel strip-shaped holes 216 are provided in the inner bending section 212, as shown in Figure 8. The strip-shaped holes 216 are used to connect the slot 14, the power terminal receiving slot 15, the first gradient gap 23, the second gradient gap 24, and the equal-width gap 25. A row of first heat dissipation holes 103 is also provided on the first outer surface 101 of the insulating housing 10, as shown in Figure 3. A row of second heat dissipation holes 104 is provided on the second outer surface 102 of the insulating housing 10, as shown in Figure 3. The first heat dissipation holes 103 and the second heat dissipation holes 104 are respectively connected to the corresponding power terminal receiving slots 15.

[0052] In summary, the power connector 1 of this invention, by providing a plurality of positioning plugs 30, can independently fix a row of power terminal assemblies 20 in the insulating housing 10, preventing the power terminal assemblies 20 from retracting or loosening when the insert is inserted. Furthermore, the power terminal assembly 20 of this invention, by completely overlapping a portion of the outer power terminal 22 and the inner power terminal 21 (e.g., the outer arc segment 2201 and the inner arc segment 210), can improve its current carrying capacity; while in another portion, a gradual gap (e.g., the first gradual gap 23) is formed, thereby improving its heat dissipation efficiency.

[0053] Please refer to Figure 9, which shows the power terminal assembly 20a and positioning plug 30a of the second embodiment of the present invention. The elements or structures in the second embodiment share the same markings as the similar elements or structures in the first embodiment shown in Figures 1 to 8 above, and are additionally marked with the suffix a.

[0054] In the second embodiment, the power terminal assembly 20a includes an inner power terminal 21a and an outer power terminal 22a. An elongated inner insertion hole 215a is provided at the center of the inner fixing section 213a of the inner power terminal 21a, and an elongated outer insertion hole 223a is provided at the center of the outer fixing section 221a of the outer power terminal 22a. In the second embodiment, the positioning plug 30a is a positioning plate made of metal or insulating material. This invention utilizes a positioning plug 30a to collectively fix the center position of the power terminal assembly 20a, resulting in uniform force distribution and preventing displacement of the power terminal assembly 20a.

[0055] Please refer to Figures 10 to 17, which show the power connector 1b of the third embodiment of this invention. The components or structures in the third embodiment share the same markings as the similar components or structures in the first embodiment shown in Figures 1 to 8 above, and are additionally marked with the suffix b.

[0056] The power connector 1b of the third embodiment has many similar structures to the power connector 1 of the first embodiment.

[0057] For example, referring to Figures 10 to 14, in the third embodiment, the power connector 1b includes an insulating housing 10b, at least one row of power terminal assemblies 20b, and a plurality of positioning plugs 30b. Each power terminal assembly 20b includes an inner power terminal 21b and an outer power terminal 22b.

[0058] For example, referring to Figures 15 to 17, the inner power terminal 21b is sequentially provided with: multiple inner arc segments 210b, an inner inclined segment 211b, an inner bent segment 212b, an inner fixed segment 213b, and multiple inner tail segments 214b along a mating direction Xb. The outer power terminal 22b is sequentially provided with: multiple outer elastic pressure fingers 220b, an outer fixed segment 221b, and multiple outer tail segments 222b along the mating direction Xb; wherein each outer elastic pressure finger 220b has an outer arc segment 2201b and an outer inclined segment 2202b. A first gradient gap 23b is formed between the outer inclined segment 2202b and the inner inclined segment 211b.

[0059] For example, referring to Figure 17, the outer fixing section 221b is provided with two circular outer insertion holes 223b; the inner fixing section 213b is provided with two circular inner insertion holes 215b. Referring to Figure 14, the insulating shell 10b is provided with a row of square through holes 16b, each through hole 16b penetrating the opposite first outer surface 101b and second outer surface 102b of the insulating shell 10b and connecting to the power terminal receiving groove 15b. Each through hole 16b is aligned in a straight line with the corresponding outer insertion hole 223b and inner insertion hole 215b so that the positioning plug 30b can be inserted in a straight line.

[0060] The differences between the third embodiment and the first embodiment will be described in detail below.

[0061] In the third embodiment, the power connector 1b is bent, and the mating direction Xb is parallel to the circuit board.

[0062] Specifically, as shown in Figure 12, the insulating housing 10b is bent, the mating surface 11b is perpendicular to the mounting surface 12b, and the mounting surface 12b is higher than the bottom surface of the insulating housing 10b.

[0063] As shown in Figure 16, the outer fixing segment 221b is stacked on the inner fixing segment 213b. The outer power terminal 22b also has an outer bending segment 224, which is located between the outer elastic pressure finger 220b and the outer fixing segment 221b, forming a third gradient gap 26 between the outer bending segment 224 and the inner bending segment 212b. The first gradient gap 23b and the third gradient gap 26 are connected. Along the mating direction Xb, the cross-sections of the first gradient gap 23b and the third gradient gap 26 are different triangles.

[0064] Furthermore, the first gradient gap 23b has a first port 230b and a second port 231b, the size of which is larger than that of the first port 230b, and the second port 231b is connected to the third gradient gap 26. The third gradient gap 26 has a fifth port 260 and a sixth port 261, the size of which is larger than that of the sixth port 261. The second port 231b overlaps with the fifth port 260.

[0065] As shown in Figure 16, both the inner fixing segment 213b and the outer fixing segment 221b are inverted Z-shaped after being bent vertically twice.

[0066] In addition, as shown in Figure 14, a row of recessed grooves 105 are provided on the first outer surface 101b of the insulating shell 10b, which correspond one-to-one with and are connected to the perforations 16b.

[0067] Please refer to Figure 18, which shows the power terminal assembly 20c and positioning plug 30c of the fourth embodiment of this invention.

[0068] The power terminal assembly 20c of the fourth embodiment has a structure that is substantially the same as that of the power terminal assembly 20b of the third embodiment. The only difference is that in the fourth embodiment, an elongated inner layer insertion hole 215c is provided at the center of the inner layer fixing section 213c of the inner layer power terminal 21c, and an elongated outer layer insertion hole 223c is provided at the center of the outer layer fixing section 221c of the outer layer power terminal 22c of the fourth embodiment.

[0069] The difference between the positioning plug 30c in the fourth embodiment and the positioning plug 30b in the third embodiment is that the positioning plug 30c in the fourth embodiment is a positioning plate used to insert into the corresponding inner layer socket 215c and outer layer socket 223c.

[0070] In summary, the power connector 1 (or 1b) of this invention can prevent the power terminal assembly 20 (or 20a, 20b, 20c) from becoming loose, improve the current carrying capacity, and improve heat dissipation efficiency.

[0071] The embodiments of this invention have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this invention. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core ideas of this invention. At the same time, for those with ordinary knowledge in the technical field to which this invention pertains, there will be changes in the specific implementation methods and application scope based on the ideas of this invention. Therefore, the content of this specification should not be construed as a limitation of this invention.

[0072] 1.1b: Power connector 10, 10b: Insulating housing 101, 101b: First outer surface 102, 102b: Second outer surface 103: First heat dissipation hole 104: Second heat dissipation hole 105: Settling Tank 11, 11b: Dating surfaces 12, 12b: Mounting surface 13: Socket 14: Slot 15, 15b: Power terminal receiving slot 16, 16b: Perforations; 20, 20a, 20b, 20c: Power terminal assembly 21, 21a, 21b, 21c: Inner power supply terminals 210, 210b: Inner arc segment 211, 211b: Inner inclined section 212, 212b: Inner layer bending section 213, 213a, 213b, 213c: Inner fixed section 214, 214b: Inner tail section 215, 215a, 215b, 215c: Inner layer sockets 216: Slotted hole 22, 22a, 22b, 22c: Outer power supply terminals 220, 220b: Outer layer elastic compression finger 2201, 2201b: Outer arc segment 2202, 2202b: Outer inclined section 221, 221a, 221b, 221c: Outer fixed section 222, 222b: Outer tail section 223, 223a, 223b, 223c: Outer layer sockets 224: Outer bending section 23, 23b: First gradual gap 230, 230b: First port 231, 231b: Second port 24: Second Gradient Gap 240: Third Port 241: Fourth Port 25: Equal width gap 26: Third Gradient Gap 260: Port 5 261: Port 6 30, 30a, 30b, 30c: Positioning plugs 31: First positioning end 32: Second positioning end D1: Average width of the first gradient gap D2: Average width of the second gradient gap D3: Width of equal-width gap X, Xb: Docking direction Y: Horizontal direction Z: Vertical direction

Claims

1. A power connector, comprising: An insulating housing has a mating surface, a mounting surface, a socket located on the mating surface, a slot communicating with the socket, and at least one row of power terminal receiving slots penetrating the mating surface and the mounting surface; wherein the slot is used for inserting an insert along a mating direction; at least one row of power terminal assemblies are received in corresponding power terminal receiving slots; and a plurality of positioning plugs are used to independently fix the row of power terminal assemblies in the insulating housing; wherein each power terminal assembly includes: an inner power terminal and an outer power terminal; The inner power terminal is provided with, along the mating direction, the following: multiple independent and parallel inner arc segments protruding towards the slot and exposed in the slot; an inner inclined segment tilting towards the slot; an inner bent segment located in the power terminal receiving groove; an inner fixing segment for fixing to the power terminal receiving groove; and multiple independent and parallel inner tail segments extending out of the mounting surface; wherein the inner arc segments are used to form electrical contact with the insert; and the outer power terminal is provided with, along the mating direction, the following: multiple independent and parallel outer elastic pressure fingers; an outer fixing segment; and multiple independent and parallel outer tail segments extending out of the mounting surface; wherein each outer elastic pressure finger has an outer arc segment and an outer inclined segment; wherein each outer arc segment is stacked on the side of the corresponding inner arc segment away from the slot, and the outer arc segment is always attached to the inner arc segment before and after the insert is inserted into the slot; Wherein, the outer inclined section is inclined to the inner inclined section, and a first gradual gap is formed between the outer inclined section and the inner inclined section; wherein, the outer tail section is parallel to the inner tail section; wherein, the outer fixing section is parallel to the inner fixing section; wherein, the outer fixing section is provided with at least one outer insertion hole; the inner fixing section is provided with at least one inner insertion hole; the insulating shell is provided with a row of through holes, each through hole penetrating the opposite first outer surface and second outer surface of the insulating shell and communicating with the power terminal receiving slot; each through hole is aligned in a straight line with the corresponding outer insertion hole and the inner insertion hole; wherein, each positioning plug is inserted into the corresponding through hole, the outer insertion hole and the inner insertion hole.

2. The power connector as claimed in claim 1, wherein the positioning plug has a first positioning end and a second positioning end disposed opposite to each other for forming a tight fit with at least the through hole.

3. The power connector as claimed in claim 1, wherein the positioning plug is a positioning rod made of metal or insulating material; the through hole is square, and both the outer and inner layer insertion holes are circular; the outer layer fixing section is symmetrically provided with two outer layer insertion holes for inserting two positioning plugs; the inner layer fixing section is symmetrically provided with two inner layer insertion holes for inserting two positioning plugs.

4. The power connector as claimed in claim 1, wherein the positioning plug is a positioning plate made of metal or insulating material; the through hole, the outer layer socket, and the inner layer socket are all elongated; the outer layer socket is located at the center of the outer layer fixing section; and the inner layer socket is located at the center of the inner layer fixing section.

5. The power connector as claimed in claim 1, wherein the insulating housing is upright, the mating surface is parallel to the mounting surface, and the mounting surface is the bottom surface of the insulating housing; a uniform gap is formed between the outer fixing section and the inner fixing section; a second gradually changing gap is formed between the outer fixing section and the inner bending section; wherein, The first gradient gap, the second gradient gap, and the equal-width gap are sequentially connected and their widths increase sequentially.

6. The power connector as claimed in claim 5, wherein the cross-section of the first gradient gap is triangular along the mating direction, and the cross-section of the second gradient gap is trapezoidal.

7. The power connector as claimed in claim 5, wherein the first gradient gap has a first port and a second port, the second port being larger than the first port and communicating with the second gradient gap; the second gradient gap has a third port and a fourth port, the fourth port being larger than the third port and communicating with the equal-width gap; the second port overlaps with the third port.

8. The power connector as claimed in claim 5, wherein both the inner fixing section and the outer fixing section are upright.

9. The power connector as claimed in claim 1, wherein the insulating housing is bent, the mating surface is perpendicular to the mounting surface, and the mounting surface is higher than the bottom surface of the insulating housing; the outer fixing section is stacked on the inner fixing section; the outer power terminal is further provided with an outer bending section, the outer bending section being located between the outer elastic pressure finger and the outer fixing section, and forming a third gradual gap between the outer bending section and the inner bending section; wherein, The first gradient gap is connected to the third gradient gap.

10. The power connector as claimed in claim 9, wherein the cross-sections of the first gradient gap and the third gradient gap are different triangles along the mating direction.

11. The power connector as claimed in claim 9, wherein the first gradient gap has a first port and a second port, the second port being larger than the first port, and the second port communicating with the third gradient gap; the third gradient gap has a fifth port and a sixth port, the fifth port being larger than the sixth port; and the second port overlapping the fifth port.

12. The power connector as claimed in claim 9, wherein both the inner and outer fixing sections are shaped into an inverted Z-shape after being bent twice vertically.

13. The power connector as claimed in claim 9, wherein a row of recessed grooves is further provided on the first outer surface of the insulating housing, which corresponds one-to-one with and communicates with the through holes.

14. The power connector as claimed in claim 1, wherein the inner bend is provided with a pair of parallel strip holes for communicating with the slot, the power terminal receiving slot, and the first gradient gap.

15. The power connector as claimed in claim 1, wherein a row of first heat dissipation holes is provided on the first outer surface of the insulating housing; and a row of second heat dissipation holes is provided on the second outer surface of the insulating housing; the first heat dissipation holes and the second heat dissipation holes are respectively connected to the corresponding power terminal receiving slots.

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