CN220021718U - Heavy-current three-way plug connector - Google Patents

Abstract

The utility model discloses a heavy-current three-way plug connector, which comprises a connecting main body, wherein one side of the connecting main body is connected with an input assembly, the other side of the connecting main body is connected with a first output assembly and a second output assembly, a plurality of plug wire terminals are arranged in the connecting main body, one ends of the plug wire terminals are electrically connected with the input assembly, the other ends of the plug wire terminals are electrically connected with the first output assembly, a female connecting end electrically connected with the second output assembly is further arranged on the plug wire terminals, a bottom cover is arranged on one side of the plug wire terminals, and a base is arranged on the other side of the plug wire terminals; the bottom cover and the base are mutually buckled to fix the plug wire terminal; the female connecting end of the connector is positioned more accurately, the plugging process is simpler, the combination of the connecting parts is tighter and more stable, and the assembly efficiency of the product is also improved.

Description

Heavy-current three-way plug connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a high-current three-way plug connector.

Background

The solar cell module is an energy-saving and environment-friendly clean energy production device and is used for converting solar energy into electric energy. In order to connect the solar cell module to external energy, energy storage, etc., it is generally necessary to provide a connector. The connector is mainly used for connecting and protecting the solar cell module, connecting the power generated by the solar cell module with an external circuit and conducting the generated current.

The existing connector limits the use of the base for the plug terminal, but the current passing through the connector is larger because the internal space of the connector is smaller; in order to avoid high-voltage electric arcs, auxiliary positioning can not be performed on the plug wire terminal by using bolts, the plug wire terminal can be sleeved or surrounded by the base, and the gap between the plug wire terminal and the base is large, so that the positioning of the female connecting end arranged on the plug wire terminal is inaccurate. During subsequent plug connection, the female connection end and the male connection end cannot be accurately aligned, and particularly, the male connection end cannot be accurately inserted into the female connection end, so that connection is difficult, connection between the female connection end and the male connection end is unstable, and poor contact is caused; the connection parts cannot be tightly connected, and the connection parts generate larger heat, so that the service life of the connection is lower; meanwhile, when the connector is produced and assembled, the female connecting end is difficult to position, so that the assembly efficiency is low.

Disclosure of Invention

The utility model aims to overcome the defect of difficult positioning of a female connecting end in the prior art and provides a high-current three-way plug connector; the female connecting end of the connector is positioned more accurately, the plugging process is simpler, the combination of the connecting parts is tighter and more stable, and the assembly efficiency of the product is also improved.

In order to achieve the above purpose, the utility model provides a heavy-current three-way plug connector, which comprises a connecting main body, wherein one side of the connecting main body is connected with an input assembly, the other side of the connecting main body is connected with a first output assembly and a second output assembly, a plurality of plug wire terminals are arranged in the connecting main body, one ends of the plug wire terminals are electrically connected with the input assembly, the other ends of the plug wire terminals are electrically connected with the first output assembly, a female connecting end electrically connected with the second output assembly is further arranged on the plug wire terminals, a bottom cover is arranged on one side of the plug wire terminals, and a base is arranged on the other side of the plug wire terminals; the bottom cover and the base are mutually buckled to fix the plug wire terminal.

Preferably, the base is provided with a plurality of first grooves for accommodating the plug wire terminals, and the bottom cover is provided with a plurality of supporting ribs for supporting the plug wire terminals; the two sides of the bottom cover are provided with first buckles, the two sides of the first groove are provided with second buckles corresponding to the first buckles, and the first buckles penetrate through the first groove and are buckled with the second buckles; the support rib supports and jacks up the plug wire terminal and cooperates the mutual lock of first buckle and second buckle, thereby fix and fix a position the plug wire terminal.

Preferably, the plug wire terminal is provided with a counter bore, the base is also provided with a through hole corresponding to the counter bore, and one end of the female connecting end sequentially penetrates through the counter bore and the through hole and extends to one side of the base; the female connection end is positioned through the counter bore and is supported at the bottom with the support rib, so that the female connection end is thoroughly fixed, and the female connection end has an accurate position.

Preferably, the inner side of the connecting main body is provided with a plurality of second grooves, two sides of the base are provided with a plurality of first protrusions which are matched with the second grooves, the first protrusions are vertically inserted into the second grooves, and the end parts of the first protrusions are also provided with insertion guide parts. When the first protrusion is assembled, the first protrusion is vertically inserted into the second groove, so that positioning and fixing are completed; furthermore, the first protrusions are arranged in different sizes, so that fool-proof design in the assembly process is realized.

Preferably, an upper cover for closing the connecting main body is further arranged on one side of the connecting main body, a plurality of third grooves are formed in the outer side of the connecting main body, third buckles are arranged in the third grooves, a plurality of fourth buckles corresponding to the third buckles are arranged on the upper cover, and the fourth buckles are inserted into the third grooves and buckled with the third buckles; the upper cover is buckled with the connecting main body mutually, and the inner base is fixed in the vertical direction.

Preferably, a first annular sealing ring for sealing is further arranged between the upper cover and the inner side of the connecting main body; the upper cover is also provided with a plurality of protection holes for protecting the female connection ends, and the tail ends of the female connection ends are arranged in the protection holes.

Preferably, the input assembly and the first output assembly are both provided with a first connecting wire, the first connecting wire is inserted into the plug wire terminal and is fixedly connected together through a bolt, the end part of the connecting main body is provided with a first threaded part and a first elastic part arranged on one side of the first threaded part, the outside of the first connecting wire is also sleeved with a first waterproof sleeve and a first tightening nut, the first waterproof sleeve is arranged in the first elastic part, and the inside of the first tightening nut is provided with a first internal threaded part in threaded connection with the first threaded part. The first connecting wire can be fixed and foreign matters can be prevented from entering; meanwhile, the connector can be also suitable for wires with various wire diameters, so that the connector is good in compatibility and high in practicability.

Preferably, the second output assembly comprises an external plug and a second connecting wire arranged at one side of the plug, a plurality of male connecting ends connected with the end parts of the second connecting wires are fixedly arranged in the plug, and the male connecting ends are inserted into the female connecting ends.

Preferably, the upper cover is provided with a plug protrusion inserted into the plug, a protection hole is formed in the plug protrusion, a plug groove corresponding to the protection hole is further formed in the plug, and a male connection end is fixed in the plug groove; the plug comprises an upper cover, a plug body and a plug, wherein the plug body is provided with a first groove, a second groove and a third groove, the plug body is provided with a fourth groove, a fifth buckle corresponding to the fourth groove is arranged on the upper cover, and the fifth buckle penetrates through the fourth groove to be buckled to the inner wall of the fourth groove; and a second annular sealing ring for sealing is also arranged between the plug and the plug bulge.

Preferably, the outside of the plug is also clamped with a plug main body, two sides of the plug are provided with clamping bulges, the plug main body is provided with clamping grooves corresponding to the clamping bulges, and a third annular sealing ring for sealing is also arranged between the plug and the plug main body; the end part of the plugging main body is provided with a second threaded part and a second elastic part arranged on one side of the second threaded part, a second waterproof sleeve and a second tightening nut are sleeved outside the second connecting lead, the second waterproof sleeve is arranged inside the second elastic part, and a second internal threaded part in threaded connection with the second threaded part is arranged inside the second tightening nut.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model is provided with a connecting main body, wherein one end of the connecting main body is provided with an input assembly for inputting a power supply, the other end of the connecting main body is provided with a first output assembly, the upper side of the connecting main body is provided with a second output assembly, the input assembly and the first output assembly are electrically connected through a plug wire terminal arranged in the connecting main body, the second output assembly is electrically connected with the plug wire terminal through a female connecting end, one side of the plug wire terminal is provided with a bottom cover, and the other side of the plug wire terminal is provided with a base; the bottom cover and the base are mutually buckled to fix the plug wire terminal, and the female connecting end arranged on the plug wire terminal is also fixed, so that the plug wire terminal and the female connecting end are both provided with a fixed position, the positioning is stable and accurate, the female connecting end is fixed in the plugging process of the second output assembly, the plugging process is simpler, the plugged connecting part is tighter, and the connection of the ports is more stable; meanwhile, the plug wire terminal, the bottom cover, the base and the female connecting end are integrally placed inside the connecting main body, so that the production and assembly efficiency of the connector is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a high-current three-way plug connector according to the present utility model;

FIG. 2 is an exploded view of a high current three-way plug connector according to the present utility model;

FIG. 3 is a schematic view of a structure in which a bottom cover and a base are fastened together;

FIG. 4 is a cross-sectional view of the bottom cover and the base fastened together in accordance with the present utility model;

FIG. 5 is an exploded view of the bottom cover and base bottom provided by the present utility model;

FIG. 6 is an exploded view of a second output assembly provided by the present utility model;

FIG. 7 is a cross-sectional view of a high current three-way plug connector provided by the present utility model;

fig. 8 is a cross-sectional view of a connecting body and an upper cover according to the present utility model.

The drawings include:

1. a connecting body; 2. an input assembly; 3. a first output assembly; 4. a second output assembly; 5. a plug wire terminal; 6. a female connection end; 7. a bottom cover; 8. a base; 81. a first groove; 71. a support rib; 72. a first buckle; 82. a second buckle; 51. a countersunk hole; 83. a through hole; 11. a second groove; 84. a first protrusion; 85. an insertion guide portion; 9. an upper cover; 12. a third groove; 13. a third buckle; 91. a fourth buckle; 92. a first annular seal ring; 94. a protection hole; 21. a first connecting wire; 22. a bolt; 14. a first threaded portion; 15. a first elastic portion; 25. a first waterproof jacket; 23. a first tightening nut; 24. a first female screw portion; 41. plug-in plug; 49. a second connecting wire; 42. a male connection end; 95. inserting the bulge; 43. a plug-in groove; 44. a fourth groove; 96. a fifth buckle; 97. a second annular seal ring; 45. a plug main body; 46. the clamping bulge; 47. a clamping groove; 48. a third annular seal ring; 31. a second threaded portion; 32. a second elastic part; 33. a second waterproof jacket; 34. a second tightening nut; 35. a second internal thread portion.

Detailed Description

The technical solutions of the present embodiment of the present utility model will be clearly and completely described below with reference to the drawings in the present embodiment of the present utility model, and it is apparent that the described present embodiment is one embodiment of the present utility model, but not all the present embodiments. All other embodiments, which can be made by those skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

Referring to fig. 1 to 8, the present embodiment provides a high-current three-way plug connector.

As shown in fig. 1, the connector includes a connecting body 1 installed in the middle, one end of the connecting body 1 is provided with an input component 2 for inputting a power supply, the other end is provided with a first output component 3, and the upper side is provided with a second output component 4, where the input component 2 and the first output component 3 are fixedly connected with the connecting body 1 through threaded connection, and the second output component 4 is fixedly connected with the connecting body 1 through plugging.

In this embodiment, as shown in fig. 4, three parallel wire plugging terminals 5 are installed inside the connection body 1, the wire plugging terminals 5, a female connection end 6 fixedly installed on the wire plugging terminals 5, and a male connection end 42 connected with the female connection end 6 are all made of conductive metal, as shown in fig. 3, one end of the wire plugging terminals 5 is electrically connected with the input assembly 2, the other end is electrically connected with the first output assembly 3, as shown in fig. 4, the wire plugging terminals 5 are also fixedly installed with the female connection end 6 electrically connected with the second output assembly 4, one side of the wire plugging terminals 5 is installed with a bottom cover 7, and the other side is installed with a base 8; the bottom cover 7 is fixed with the plug wire terminal 5 with the mutual lock of base 8, and the female link 6 of fixing on plug wire terminal 5 has also been fixed indirectly for plug wire terminal 5 and female link 6 all have a fixed position, and when second output module 4 pegged graft, the grafting is simpler, and the junction of grafting is inseparabler, and the connection of port is also more stable.

As shown in fig. 5, the base 8 is provided with three first grooves 81 for accommodating the wire plugging terminals 5, the upper part of the base 8 is also provided with limiting protrusions at two ends of the wire plugging terminals 5, as shown in fig. 4, the bottom cover 7 is provided with a plurality of supporting ribs 71 for supporting the wire plugging terminals 5; the two sides of the bottom cover 7 are provided with first buckles 72, the two sides of the first groove 81 are provided with second buckles 82 corresponding to the first buckles 72, and the first buckles 72 penetrate through the first groove 81 and are buckled with the second buckles 82.

Further, the wire insertion terminal 5 is provided with a counter bore 51, the base 8 is further provided with a through hole 83 corresponding to the counter bore 51, and one end of the female connection end 6 sequentially penetrates through the counter bore 51 and the through hole 83 and extends out to one side of the base 8.

When the components are assembled, firstly, as shown in fig. 5, the base 8 is turned upside down, the plug wire terminal 5 is placed in the first groove 81, and the plug wire terminal 5 is limited left and right by using the limiting protrusion on the base 8; secondly, one end of the female connection end 6 sequentially passes through the counter bore 51 and the through hole 83, and the female connection end 6 is fixedly arranged on the plug wire terminal 5; thirdly, covering a bottom cover 7, wherein a supporting rib 71 on the bottom cover 7 supports and limits the bottom of the plug wire terminal 5 and the bottom of the female connecting end 6; finally, the method includes the steps of; the first buckle 72 and the second buckle 82 are buckled with each other, so that the plug wire terminal 5 and the female connection end 6 are fixed; meanwhile, the plug wire terminal 5, the bottom cover 7, the base 8 and the female connection end 6 are assembled into an integral assembly, and are tightly connected with each other.

Turning over the whole assembled assembly, as shown in fig. 4, a large first protrusion 84 and a small first protrusion 84 are disposed on two sides of the base 8, and a plurality of second grooves 11 are disposed on the corresponding inner sides of the connecting main body 1, and when assembling, the first protrusions 84 are vertically inserted into the second grooves 11, so as to complete positioning and fixing; further, the first protrusions 84 are set in different sizes, so that fool-proof design in the assembly process is realized; further, in order to better vertically insert the first protrusion 84 into the second groove 11 during the assembly process, an insertion guide 85 may be provided at both the end of the first protrusion 84 and the upper end of the second groove 11; in this embodiment, the insertion guide portion 85 is a guide slope, that is, a chamfer, which serves to guide the insertion of the first protrusion 84.

As shown in fig. 1, the upper side of the connecting main body 1 is further provided with an upper cover 9 for closing the connecting main body 1, as shown in fig. 2, the outer side of the connecting main body 1 is provided with a plurality of third grooves 12, third buckles 13 are arranged in the third grooves 12, the upper cover 9 is provided with a plurality of fourth buckles 91 corresponding to the third buckles 13, as shown in fig. 8, the fourth buckles 91 are inserted into the third grooves 12 and are buckled with the third buckles 13; the upper cover 9 and the connecting body 1 are fastened with each other, and the base 8 inside is also fixed in the vertical direction.

In order to further ensure the tightness of the inside of the connecting body 1, a first annular sealing ring 92 for sealing is also arranged between the upper cover 9 and the inside of the connecting body 1; the first annular sealing ring 92 deforms under the buckling pressure, so that the interior of the connecting main body 1 is windproof, waterproof and dustproof; meanwhile, in order to better protect the female connection end 6, the upper cover 9 is further provided with a plurality of protection holes 94 for protecting the female connection end 6, the protection holes 94 protect the female connection end 6 exposed outside, and the tail end of the female connection end 6 is arranged inside the protection holes 94.

As shown in fig. 3, the input assembly 2 and the first output assembly 3 are both provided with a first connecting wire 21, and the first connecting wire 21 is inserted into the plug wire terminal 5 and fixedly connected together by a bolt 22; as shown in fig. 2, the end of the connection body 1 is provided with a first threaded portion 14 and a first elastic portion 15 disposed on one side of the first threaded portion 14, the first elastic portion 15 is capable of shrinking inwards, a first waterproof sleeve 25 and a first tightening nut 23 are further sleeved outside the first connection wire 21, the first waterproof sleeve 25 is disposed inside the first elastic portion 15, and a first internal threaded portion 24 in threaded connection with the first threaded portion 14 is disposed inside the first tightening nut 23.

After the first connecting wire 21 is fixed on the plug wire terminal 5 through the bolt 22, the first waterproof sleeve 25 and the first tightening nut 23 are assembled in sequence, the first tightening nut 23 is rotated to enable the first elastic part 15 to inwards press the first waterproof sleeve 25, and the first waterproof sleeve 25 is tightly contacted with the first connecting wire 21, so that foreign matters are prevented from entering; meanwhile, the connector can be also suitable for wires with various wire diameters, so that the connector is good in compatibility and high in practicability.

As shown in fig. 2, the second output assembly 4 includes a plug 41 installed on the outside and a second connection wire 49 installed on one side of the plug 41, three male connection ends 42 are fixedly installed inside the plug 41, and the ends of the three male connection ends 42 are connected with the ends of the second connection wire 49, which is not shown in the drawing; as shown in fig. 7, the male connection end 42 is inserted into the female connection end 6.

In order to better protect the connection part between the male connection end 42 and the female connection end 6 and achieve the purpose of quick plugging, the upper cover 9 is provided with a plugging protrusion 95 plugged into the plug 41, the plugging protrusion 95 surrounds and protects three independent protection holes 94, in order to better connect with the female connection end 6, the plug 41 is also provided with a plugging groove 43 adapted to the protection holes 94, and the male connection end 42 is fixed in the plugging groove 43; wherein the insertion groove 43 surrounds the protection hole 94, and the male connection end 42 inside the insertion groove 43 is inserted into the female connection end 6; in order to realize plugging, the two sides of the plugging plug 41 are further provided with fourth grooves 44, the upper cover 9 is provided with fifth buckles 96 corresponding to the fourth grooves 44, and the fifth buckles 96 penetrate through the fourth grooves 44 and buckle to the inner walls of the fourth grooves 44.

In order to further ensure the tightness of the plugging, a second annular sealing ring 97 for sealing is also arranged between the plugging plug 41 and the plugging bulge 95; the second ring seal 97 deforms under the pressure of the buckling, thereby achieving the sealing effect.

To better protect the second connecting wire 49 and to facilitate the connection of the male connection end 42 to the second connecting wire 49; the outside of the plug 41 is also clamped with a plug main body 45, the second connecting wire 49 is sleeved with the plug main body 45, the plug main body 45 surrounds and protects the junction between the second connecting wire 49 and the male connecting end 42 and the second connecting wire 49, as shown in fig. 8, two sides of the plug 41 are provided with clamping protrusions 46, as shown in fig. 6, the plug main body 45 is provided with clamping grooves 47 corresponding to the clamping protrusions 46, the clamping protrusions 46 are clamped inside the clamping grooves 47, and a third annular sealing ring 48 for sealing is further arranged between the plug 41 and the plug main body 45; the third ring seal 48 deforms under the clamping pressure, so as to seal the connection port.

The second connection wire 49 is sealed by a sealing manner for the first connection wire 21, specifically, the end of the plugging main body 45 is provided with a second threaded portion 31 and a second elastic portion 32 mounted on one side of the second threaded portion 31, the second connection wire 49 is further sleeved with a second waterproof sleeve 33 and a second tightening nut 34, the second waterproof sleeve 33 is mounted inside the second elastic portion 32, and a second internal threaded portion 35 in threaded connection with the second threaded portion 31 is disposed inside the second tightening nut 34.

Specifically, when the second connection wire 49 is connected to the male connection end 42 during assembly, the plugging main body 45 is inserted into one end of the plugging plug 41, the locking protrusion 46 and the locking groove 47 are locked with each other, the second waterproof jacket 33 is installed inside the second elastic portion 32, the second tightening nut 34 is rotated to make the second elastic portion 32 press the second waterproof jacket 33 inwards, and the second waterproof jacket 33 also presses and tightly contacts the second connection wire 49, so as to prevent foreign matters from entering; meanwhile, the connector can be also suitable for wires with various wire diameters, so that the connector is good in compatibility and high in practicability.

The assembly process of the connector comprises the following steps: firstly, the base 8 is turned upside down, the plug wire terminal 5 is placed in the first groove 81, one end of the female connection end 6 sequentially passes through the counter bore 51 and the through hole 83, and the female connection end 6 is fixedly arranged on the plug wire terminal 5; secondly, the bottom cover 7 is covered, wherein the first buckle 72 passes through the first groove 81 and is buckled with the second buckle 82, and the supporting rib 71 supports and limits the bottom of the plug wire terminal 5 and the bottom of the female connection end 6; thirdly, turning over the assembly, vertically inserting the assembly into the connecting main body 1, covering the upper cover 9 on the upper side of the connecting main body 1, wherein the female connecting end 6 is inserted into the protection hole 94, the fourth buckle 91 and the third buckle 13 are buckled with each other, and the first annular sealing ring 92 is sealed; plugging the plug 41 on the plugging protrusion 95, wherein the fifth buckle 96 passes through the fourth groove 44 and buckles to the inner wall of the fourth groove 44, and the second annular sealing ring 97 seals the contact part; finally, the remaining parts of the input assembly 2, the first output assembly 3 and the second output assembly 4 are sequentially installed, including but not limited to bolt tightening, sealing with a sealing ring and snap-fit.

The use process of the connector comprises the following steps: first, the input assembly 2 and the first output assembly 3 are installed, wherein the structure and the installation method of the input assembly 2 and the first output assembly 3 are the same, and taking the installation of the input assembly 2 as an example: opening the upper cover 9 from the connecting body 1, disassembling the input assembly 2 of the connector, and removing the first tightening nut 23 and the first waterproof jacket 25; the first connecting wire 21 passes through the first tightening nut 23 and the first waterproof sleeve 25, is connected to one side of the plug wire terminal 5, is tightened by the bolt 22, and the first tightening nut 23 is tightened to mount the input assembly 2 and the first output assembly 3; secondly, covering the upper cover 9, removing the second output assembly 4, removing the plugging main body 45, removing the second waterproof jacket 33 and the second tightening nut 34, and penetrating the second connecting wire 49 through the second tightening nut 34 and the second waterproof jacket 33 to be fixedly connected to the male connecting end 42; thirdly, the plug main body 45 and the plug 41 are connected together in a plug-in manner, the second tightening nut 34 is tightened, and the second output assembly 4 is assembled; finally, the second output assembly 4 is inserted onto the upper cover 9, wherein the male connection end 42 is inserted into the female connection end 6, completing the insertion.

The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.

Claims (10)

1. A high-current tee joint plug connector is characterized in that: the novel plug wire comprises a connecting main body (1), wherein one side of the connecting main body (1) is connected with an input assembly (2), the other side of the connecting main body is connected with a first output assembly (3) and a second output assembly (4), a plurality of plug wire terminals (5) are arranged in the connecting main body (1), one ends of the plug wire terminals (5) are electrically connected with the input assembly (2), the other ends of the plug wire terminals are electrically connected with the first output assembly (3), a female connecting end (6) electrically connected with the second output assembly (4) is further arranged on the plug wire terminals (5), a bottom cover (7) is arranged on one side of the plug wire terminals (5), and a base (8) is arranged on the other side of the plug wire terminals; the bottom cover (7) and the base (8) are mutually buckled to fix the plug wire terminal (5).

2. The high current three-way plug connector according to claim 1, wherein: the base (8) is provided with a plurality of first grooves (81) for accommodating the plug wire terminals (5), and the bottom cover (7) is provided with a plurality of supporting ribs (71) for supporting the plug wire terminals (5); the bottom cover (7) both sides are equipped with first buckle (72), first recess (81) both sides are equipped with second buckle (82) corresponding with first buckle (72), first buckle (72) pass first recess (81) and second buckle (82) lock each other.

3. The high current three-way plug connector according to claim 1, wherein: the plug wire terminal (5) is provided with a counter sunk hole (51), the base (8) is also provided with a through hole (83) corresponding to the counter sunk hole (51), and one end of the female connecting end (6) sequentially penetrates through the counter sunk hole (51) and the through hole (83) and extends out to one side of the base (8).

4. The high current three-way plug connector according to claim 1, wherein: the connecting body (1) inboard is equipped with a plurality of second recess (11), base (8) both sides are equipped with a plurality of first protruding (84) that suits with second recess (11), inside first protruding (84) vertical insertion to second recess (11), first protruding (84) tip still is equipped with inserts guide portion (85).

5. The high current three-way plug connector according to claim 1, wherein: the connecting body (1) one side is still equipped with upper cover (9) that are used for sealing connecting body (1), connecting body (1) outside is equipped with a plurality of third recesses (12), be equipped with third buckle (13) in third recess (12), be equipped with a plurality of fourth buckles (91) corresponding with third buckle (13) on upper cover (9), fourth buckle (91) insert third recess (12) inside and third buckle (13) mutual lock.

6. The high-current three-way plug connector according to claim 5, wherein: a first annular sealing ring (92) for sealing is also arranged between the upper cover (9) and the inner side of the connecting main body (1); the upper cover (9) is also provided with a plurality of protection holes (94) for protecting the female connecting ends (6), and the tail ends of the female connecting ends (6) are arranged inside the protection holes (94).

7. The high current three-way plug connector according to claim 1, wherein: the utility model discloses a plug wire terminal, including input subassembly (2) and first output subassembly (3), plug wire terminal (5) are connected together through bolt (22), connecting main part (1) tip is equipped with first screw thread portion (14) and installs first elastic component (15) in first screw thread portion (14) one side, the outside cover of first connecting wire (21) still is equipped with waterproof cover (25) and first screw nut (23), waterproof cover (25) are installed inside first elastic component (15), first screw nut (23) are inside be equipped with first internal thread portion (24) of first screw thread portion (14) threaded connection.

8. The high-current three-way plug connector according to claim 5, wherein: the second output assembly (4) comprises an externally arranged plug-in plug (41) and a second connecting wire (49) arranged on one side of the plug-in plug (41), a plurality of male connecting ends (42) connected with the end parts of the second connecting wire (49) are fixedly arranged in the plug-in plug (41), and the male connecting ends (42) are inserted into the female connecting ends (6).

9. The high current three-way plug connector of claim 8, wherein: the upper cover (9) is provided with a plug-in protrusion (95) inserted into the plug-in plug (41), the plug-in protrusion (95) is arranged at the outer side of the protection hole (94), the plug-in plug (41) is also internally provided with a plug-in groove (43) which is matched with the protection hole (94), and a male connecting end (42) is fixed in the plug-in groove (43); the plug-in plug (41) is characterized in that fourth grooves (44) are further formed in two sides of the plug-in plug (41), fifth buckles (96) corresponding to the fourth grooves (44) are arranged on the upper cover (9), and the fifth buckles (96) penetrate through the fourth grooves (44) to buckle to the inner walls of the fourth grooves (44); a second annular sealing ring (97) for sealing is further arranged between the plug-in plug (41) and the plug-in protrusion (95).

10. The high current three-way plug connector according to claim 9, wherein: the outside of the plug-in plug (41) is also clamped with a plug-in main body (45), two sides of the plug-in plug (41) are provided with clamping protrusions (46), the plug-in main body (45) is provided with clamping grooves (47) corresponding to the clamping protrusions (46), and a third annular sealing ring (48) for sealing is also arranged between the plug-in plug (41) and the plug-in main body (45); the end part of the plugging main body (45) is provided with a second threaded part (31) and a second elastic part (32) arranged on one side of the second threaded part (31), a second waterproof sleeve (33) and a second tightening nut (34) are sleeved outside the second connecting lead (49), the second waterproof sleeve (33) is arranged inside the second elastic part (32), and a second internal threaded part (35) in threaded connection with the second threaded part (31) is arranged inside the second tightening nut (34).