High-voltage-resistant male connector and female connector

Abstract

The utility model provides a high voltage resistant male connector and female connector, comprising an insulating shell, a connecting terminal and a male lock buckle, the connecting terminal is assembled in the insulating shell, a wire holder is located in a wiring hole, a connecting column is located in a connecting hole, the height of the connecting hole is greater than the height of the connecting column or a connecting arm, and the creepage distance is increased, so that the high voltage resistant male connector and the high voltage resistant female connector are formed. The safety and the high-voltage resistance degree of the connector can be effectively improved, and the male connecting terminal can be fixedly installed in the inserting direction through the clamping of the free end of the elastic locking arm and the positioning ring groove, the limiting adjacent matching of the positioning step and the spacing wall, and the clamping of the clamping part and the buckling part. And the assembling and positioning smoothness can be improved through slope matching, and the installation stability of the male locking buckle is improved through the arrangement of the connecting plate.

Description

Technical Field

[0001] The utility model relates to the field of connectors, in particular to a high-pressure resistant male connector and a female connector. Background Art

[0002] A connector is a commonly used component in electrical engineering. Its function is to connect circuits on different devices or different modules in a circuit, so that current or signals can flow or transmit, and the circuit can achieve the intended function. The existing connection plug and socket are usually connected by inserting the male connector into the female connector, and the conductive terminals of the two are then electrically connected.

[0003] With the expansion of application areas, connectors need to be used in the field of high current and high voltage transmission, especially those that need to match the requirements of 70A current and 1000V voltage, and further need to match the application requirements of 1500V high voltage. Therefore, it is necessary to design a corresponding high-voltage resistant and high-strength structure for the connector. Utility Model Content

[0004] The first object of the utility model is to provide a male connector resistant to high pressure.

[0005] The second object of the utility model is to provide a high-pressure resistant female connector.

[0006] In order to achieve the first purpose of the utility model, the utility model provides a high-voltage resistant male connector, including a male insulating shell, a male connecting terminal and a male locking buckle, the male insulating shell is provided with a connecting hole and a wiring hole along the plug-in direction, the connecting hole and the wiring hole are coaxially arranged along the plug-in direction, a partition wall is provided between the connecting hole and the wiring hole, a connecting hole is provided through the partition wall along the plug-in direction, the connecting hole is connected between the connecting hole and the wiring hole, the connecting hole is provided with a connecting port on the outward side, the wiring hole is provided with a wiring port on the outward side, and a clamping portion is provided on the outer wall of the male insulating shell; the male connecting terminal is provided with a wiring seat and a connecting column along the plug-in direction, and the outer wall of the wiring seat A positioning ring groove is provided, a positioning step is provided between the positioning ring groove and the connecting column, the wiring seat is provided in the wiring hole, the connecting column passes through the connecting hole and extends into the connecting hole, and the height of the connecting hole is greater than the height of the connecting column; the male locking buckle is provided with a locking substrate, the locking substrate is provided at the wiring port, and the locking substrate is penetrated by a through hole connected to the wiring hole. The locking substrate is provided with a plurality of elastic locking arms along the insertion direction in the wiring hole, the free ends of the elastic locking arms are offset inwardly, and the free ends are engaged in the positioning ring groove, the positioning step is located in the wiring hole and adjacent to the partition wall, and the locking substrate is provided with a buckle portion on the outer side of the outer wall of the male insulating shell, and the clamping portion is engaged with the buckle portion.

[0007] A further solution is that the partition wall and the positioning step are both arranged in an inclined surface, the partition wall and the positioning step are clearance-matched, and the diameter of the positioning step is larger than the diameter of the connecting column.

[0008] A further solution is that the locking substrate is provided with a connecting plate on the outer side of the outer wall of the male insulating shell, the connecting plate is perpendicular to the locking substrate, the buckle part is provided on the connecting plate, the buckle part is provided as a card slot, and the card part is provided as a card block.

[0009] A further solution is that a plurality of slots are arranged radially outward on the inner wall of the wiring hole, the slots extend along the insertion direction, and the slots are connected to the wiring hole; an elastic locking arm is located in a slot, and the wiring seat and the inner wall of the wiring hole are gap-matched.

[0010] A further solution is that the male insulating shell is provided with two connecting holes and two wiring holes, one connecting hole and one wiring hole are coaxially connected and arranged along the insertion direction, and the two wiring holes are distributed radially; the male connector includes two male connecting terminals, a wiring seat is arranged in a wiring hole, a connecting column passes through the connecting hole and extends into the connecting hole, a part of the elastic locking arm is inserted into one wiring hole and engaged with a positioning ring groove, and the other part of the elastic locking arm is inserted into the other wiring hole and engaged with the other positioning ring groove.

[0011] It can be seen from the above scheme that by assembling the male connecting terminal in the male insulating shell, specifically, the wiring seat is located in the wiring hole, the connecting column is located in the connecting hole, and the height of the connecting hole is greater than the height of the connecting column, by increasing the creepage distance, the safety and high voltage resistance of the connector can be effectively improved. Furthermore, by the engagement of the free end of the elastic locking arm with the positioning ring groove, the limiting abutment of the positioning step and the partition wall, and the engagement of the clamping part with the buckle part, the fixed installation of the male connecting terminal in the insertion direction can be achieved. In addition, the smoothness of assembly positioning can be improved by the use of the inclined surface, and the installation stability of the male locking buckle can be improved by the setting of the connecting plate. In addition, by the arrangement of the slot, the wiring seat can be matched with the inner wall gap of the wiring hole. In addition to the locking force provided by the elastic locking arm along the insertion direction, the radial limit can also be improved by the inner wall, making the male connecting terminal more stable.

[0012] In order to achieve the second purpose of the utility model, the utility model provides a high-voltage resistant female connector, including a female insulating shell, a female connecting terminal and a female locking buckle, the female insulating shell is provided with a connecting hole and a wiring hole along the plug-in direction, the connecting hole and the wiring hole are coaxially arranged along the plug-in direction, a partition wall is provided between the connecting hole and the wiring hole, a connecting hole is provided through the partition wall along the plug-in direction, the connecting hole is connected between the connecting hole and the wiring hole, the connecting hole is provided with a connecting port on the outward side, the wiring hole is provided with a wiring port on the outward side, and a clamping portion is provided on the outer wall of the female insulating shell; the female connecting terminal is provided with a wiring seat and a plurality of connecting arms along the plug-in direction, and the plurality of connecting arms are distributed circumferentially and surround a connecting hole The outer wall of the wiring seat is provided with a positioning ring groove, a positioning step is provided between the positioning ring groove and the connecting arm, the wiring seat is arranged in the wiring hole, a plurality of connecting arms pass through the connecting hole and extend into the connecting hole, and the height of the connecting hole is greater than the height of the connecting arm; the female locking buckle is provided with a locking substrate, the locking substrate is arranged at the wiring port, the locking substrate is penetrated with a through hole connected with the wiring hole, the locking substrate is provided with a plurality of elastic locking arms along the insertion direction in the wiring hole, the free end of the elastic locking arm is offset inwardly, and the free end is engaged in the positioning ring groove, the positioning step is located in the wiring hole and adjacent to the partition wall, and the locking substrate is provided with a buckle portion on the outer side of the outer wall of the female insulating shell, and the clamping portion is engaged with the buckle portion.

[0013] A further solution is that the partition wall and the positioning step are both arranged in an inclined surface, the partition wall and the positioning step are clearance-matched, and the diameter of the positioning step is larger than the diameter of the connecting groove.

[0014] A further solution is that the locking substrate is provided with a connecting plate on the outer side of the outer wall of the female insulating shell, the connecting plate is perpendicular to the locking substrate, the buckle portion is provided on the connecting plate, the buckle portion is provided as a card slot, and the card portion is provided as a card block.

[0015] A further solution is that a plurality of slots are arranged radially outward on the inner wall of the wiring hole, the slots extend along the insertion direction, and the slots are connected to the wiring hole; an elastic locking arm is located in a slot, and the wiring seat and the inner wall of the wiring hole are gap-matched.

[0016] A further solution is that the female insulating shell is provided with two connecting holes and two wiring holes, one connecting hole and one wiring hole are coaxially connected and arranged along the insertion direction, and the two wiring holes are distributed radially; the female connector includes two female connecting terminals, a wiring seat is arranged in a wiring hole, a plurality of connecting arms of a female connecting terminal pass through the connecting hole and extend into the connecting hole, a part of the elastic locking arm is inserted into a wiring hole and engaged with a positioning ring groove, and the other part of the elastic locking arm is inserted into the other wiring hole and engaged with the other positioning ring groove.

[0017] As can be seen from the above, by assembling the female connection terminal in the female insulating shell, specifically, the wiring seat is located in the wiring hole, and the connecting arm is located in the connecting hole, and the height of the connecting hole is greater than the height of the connecting arm, and a plurality of connecting arms are matched to form a connecting groove for matching with the connecting column, the safety and high-voltage resistance of the connector can be effectively improved by increasing the creepage distance. Furthermore, by the engagement of the free end of the elastic locking arm with the positioning ring groove, the limiting abutment of the positioning step with the partition wall, and the engagement of the clamping part with the buckle part, the fixed installation of the female connection terminal in the insertion direction can be achieved. In addition, the smoothness of assembly positioning can be improved by using the inclined surface, and the installation stability of the female locking buckle can be improved by using the setting of the connecting plate. In addition, by using the arrangement of the slot, the wiring seat can be matched with the inner wall gap of the wiring hole. In addition to the locking force provided by the elastic locking arm along the insertion direction, the radial limit can also be improved by using the inner wall, making the female connection terminal more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of an embodiment of a male connector and a female connector of the utility model.

[0019] Figure 2 It is an exploded view of an embodiment of a male connector and a female connector of the utility model.

[0020] Figure 3 It is a connection diagram of a male connector and a female connector embodiment of the utility model.

[0021] Figure 4 It is a schematic diagram of terminal connection of a male connector and a female connector embodiment of the utility model.

[0022] Figure 5 It is a terminal exploded view of the male connector and the female connector embodiment of the utility model.

[0023] Figure 6 It is an exploded view of the terminal module in the embodiment of the male connector of the utility model.

[0024] Figure 7 It is a structural diagram of the male insulating shell in the embodiment of the male connector of the utility model.

[0025] Figure 8 It is a cross-sectional view of a terminal module in an embodiment of a male connector of the present utility model.

[0026] Fig. 9 It is a structural diagram of a terminal module in an embodiment of the female connector of the utility model.

[0027] Fig.10 It is an exploded view of the terminal module in the embodiment of the female connector of the utility model.

[0028] Fig.11It is a cross-sectional view of an embodiment of the female connector of the utility model.

[0029] Fig.12 It is a cross-sectional view of the mating embodiment of the male connector and the female connector of the utility model.

[0030] Fig.13 It is a structural diagram of another embodiment of the male connector and the female connector of the utility model.

[0031] The present invention will be further described below with reference to the accompanying drawings and embodiments. DETAILED DESCRIPTION

[0032] Reference Figures 1 to 8 The male connector 1 includes a shell 11, a mounting bracket 12 and a plurality of terminal modules 3. The mounting bracket 12 is fixedly installed in the shell 11. The mounting bracket 12 is provided with a mounting groove. The mounting bracket 12 is provided with a plurality of bayonet holes 121 on both sides of the mounting groove. The plurality of bayonet holes 121 are arranged along an arrangement direction. The plurality of terminal modules 3 are arranged and installed in the mounting groove along a first arrangement direction X. The block 316 of the male insulating shell 31 is installed at the bayonet hole 121.

[0033] The terminal module 3 includes a male insulating shell 31, two male connecting terminals 32 and a male locking buckle 33. The male insulating shell 31 is provided with two connecting holes 311 and two wiring holes 312 along the plug-in direction Z. The two connecting holes 311 and one wiring hole 312 are coaxially connected and arranged along the plug-in direction Z. The two wiring holes 312 are distributed radially, that is, arranged along the second arrangement direction Y. The first arrangement direction X, the second arrangement direction Y and the plug-in direction Z are perpendicular to each other.

[0034] A partition wall 314 is provided between the corresponding connecting hole 311 and the wiring hole 312, and a connecting hole 315 is provided through the partition wall 314 along the insertion direction Z. The partition wall 314 is arranged in an inclined surface on one side of the connecting hole 311, and the connecting hole 315 is connected between the connecting hole 311 and the wiring hole 312. The connecting hole 311 is provided with a connecting port on the outward side, and the wiring hole 312 is provided with a wiring port on the outward side. The outer wall of the male insulating shell 31 is provided with a clamping portion 317 and a clamping block 316, and the clamping portion 317 is arranged in a clamping block.

[0035] The inner wall of the wiring hole 312 is radially outwardly provided with six slots 313, and the slots 313 extend along the insertion direction Z. The slots 313 are connected to the wiring hole 312, wherein two slots 313 are located on one side of the second arrangement direction Y and are arranged in the same direction, and two slots 313 are located on the other side of the second arrangement direction Y and are arranged in the same direction, and the other two slots 313 are located between the two wiring holes 312, and the two slots 313 are arranged in opposite directions, so that the two slots 313 in the middle are staggered.

[0036] The male connecting terminal 32 is provided with a terminal seat 321 and a connecting column 322 along the insertion direction Z, the outer wall of the terminal seat 321 is provided with a positioning ring groove 323, and a positioning step 324 is provided between the positioning ring groove 323 and the connecting column 322. The positioning steps 324 are all arranged in an inclined surface. A terminal seat 321 is arranged in a terminal hole 312, and a connecting column 322 passes through the connecting hole 315 and extends into the connecting hole 311. The height of the connecting hole 311 is greater than the height of the connecting column 322.

[0037] The male locking buckle 33 is provided with a locking base plate 331, which is arranged at the wiring port. The locking base plate 331 is penetrated by two through holes 335 connected to the wiring hole 312. The locking base plate 331 is provided with six elastic locking arms 332 along the insertion direction Z in the wiring hole 312, three of which are inserted into the wiring hole 312 on one side, and the other three are inserted into the wiring hole 312 on the other side. The positions of the six elastic locking arms 332 correspond to the positions of the slots 313. As for the setting, the two elastic locking arms 332 located in the middle are staggered, and the free ends of the elastic locking arms 332 are offset inward. A part of the elastic locking arms 332 is inserted into a wiring hole 312 and engaged with a positioning ring groove 323, and the other part of the elastic locking arms 332 is inserted into another wiring hole 312 and engaged with another positioning ring groove 323. The positioning step 324 is located in the wiring hole 312 and is adjacent to the partition wall 314 with a clearance fit, and the diameter of the positioning step 324 is larger than the diameter of the connecting column 322.

[0038] The locking base plate 331 is provided with a connecting plate 333 on the outer side of the outer wall of the male insulating shell 31. The connecting plate 333 is perpendicular to the locking base plate 331. Two buckles are provided on the connecting plate 333. The buckle 334 is located on the outer side of the outer wall of the male insulating shell 31. The clamping part 317 is engaged with the buckle 334. The buckle 334 is arranged in a slot and the clamping part 317 is arranged in a block. Through the arrangement of the connecting plate, the buckle can be easily opened without using tools.

[0039] Reference Figures 9 to 12 , and combined with Figures 1 to 5 The female connector 2 includes a shell 21, a mounting bracket 122 and a plurality of terminal modules 4. The mounting bracket 22 is fixedly installed in the shell 21. The mounting bracket 22 is provided with a mounting groove. The mounting bracket 22 is provided with a plurality of bayonet holes 221 on both sides of the mounting groove. The plurality of bayonet holes 221 are arranged along an arrangement direction. The plurality of terminal modules 3 are arranged and installed in the mounting groove along a first arrangement direction X. The block 416 of the female insulating shell 41 is installed at the bayonet hole 221.

[0040] The terminal module 3 includes a female insulating shell 41, two female connecting terminals 42 and a female locking buckle 43. The female insulating shell 41 is provided with two connecting holes 411 and two wiring holes 412 along the plug-in direction Z. The two connecting holes 411 and one wiring hole 412 are coaxially connected and arranged along the plug-in direction Z. The two wiring holes 412 are distributed radially, that is, arranged along the second arrangement direction Y. The first arrangement direction X, the second arrangement direction Y and the plug-in direction Z are perpendicular to each other.

[0041] A partition wall 414 is provided between the corresponding connecting hole 411 and the wiring hole 412, and a connecting hole 415 is provided through the partition wall 414 along the insertion direction Z. The partition wall 414 is arranged in an inclined surface on one side of the connecting hole 411, and the connecting hole 415 is connected between the connecting hole 411 and the wiring hole 412. The connecting hole 411 is provided with a connecting port on the outward side, and the wiring hole 412 is provided with a wiring port on the outward side. The outer wall of the female insulating shell 41 is provided with a clamping portion 417 and a clamping block 416, and the clamping portion 417 is arranged in a clamping block.

[0042] The inner wall of the wiring hole 412 is radially outwardly provided with six slots 413, and the slots 413 extend along the insertion direction Z. The slots 413 are connected to the wiring hole 412, two of which are located on one side of the second arrangement direction Y and are arranged in the same direction, and two slots 413 are located on the other side of the second arrangement direction Y and are arranged in the same direction, and the other two slots 413 are located between the two wiring holes 412. The two slots 413 are arranged in opposite directions, so that the two slots 413 in the middle are staggered.

[0043] The female connecting terminal 42 is provided with a terminal seat 421 and a plurality of connecting arms 422 along the insertion direction Z. The plurality of connecting arms 422 are distributed along the circumferential direction and surround a connecting groove 4221. A positioning ring groove 423 is provided on the outer wall of the terminal seat 421. A positioning step 424 is provided between the positioning ring groove 423 and the connecting arm 422. The positioning steps 424 are all arranged in an inclined surface. A terminal seat 421 is provided in a terminal hole 412. The plurality of connecting arms 422 of a female connecting terminal 42 pass through the connecting hole 415 and extend into the connecting hole 411. The height of the connecting hole 411 is greater than the height of the connecting arm 422.

[0044] The female locking buckle 43 is provided with a locking substrate 431, which is arranged at the wiring port. The locking substrate 431 is penetrated by two through holes 435 connected to the wiring hole 412. The locking substrate 431 is provided with six elastic locking arms 432 along the insertion direction Z in the wiring hole 412, three of which are inserted into the wiring hole 412 on one side, and the other three are inserted into the wiring hole 412 on the other side. The positions of the six elastic locking arms 432 are opposite to the position of the slot 413. The two elastic locking arms 432 in the middle are arranged in a staggered manner, and the free ends of the elastic locking arms 432 are offset inward. A part of the elastic locking arms 432 is inserted into a wiring hole 412 and engaged with a positioning ring groove 423, and the other part of the elastic locking arms 432 is inserted into another wiring hole 412 and engaged with another positioning ring groove 423. The positioning step 424 is located in the wiring hole 412 and is adjacent to the partition wall 414 with a clearance fit, and the diameter of the positioning step 424 is larger than the diameter of the connecting groove 4221.

[0045] The locking substrate 431 is provided with a connecting plate 433 on the outer side of the outer wall of the mother insulating shell 41, and the connecting plate 433 is perpendicular to the locking substrate 431. Two buckles are provided on the connecting plate 433, and the buckle 434 is located on the outer side of the outer wall of the mother insulating shell 41. The clamping part 417 is engaged with the buckle 434, and the buckle 434 is arranged as a clamping groove, and the clamping part 417 is arranged as a clamping block.

[0046] The structures of the male locking buckle 33 and the female locking buckle 43 can be arranged in the same manner. The male and female locking buckles are shareable. When the male and female locking buckles are not removed, the male and female connecting terminals can be quickly inserted through their own deformation. At the same time, the purpose of switching the connecting terminals can be achieved by removing the back cover. In addition, the locking buckle can be quickly removed manually, and the locking buckle supports blind installation without the need to identify the direction. This allows the terminal or locking buckle to be quickly replaced, thereby improving assembly efficiency.

[0047] See also Fig.12 When the male connector 1 is connected and matched with the female connector 2, the terminal module 3 and the terminal module 4 are connected, and the outer wall of the connecting hole 411 of the terminal module 4 is inserted into the connecting hole 311 of the terminal module 3. Since the outer end of the connecting hole 411 is provided with a positioning step 4111, and the middle part of the positioning step 4111 is provided with a through hole 4112, the connecting column 322 of the male connecting terminal 32 is inserted into the connecting groove 4221, and then the connecting column 322 is connected with the multiple connecting arms 422, thereby forming electrical conduction.

[0048] join Fig.13Based on the application of the above-mentioned terminal module 3 and terminal module 4, different mounting brackets can also be used, that is, the terminal module 3 is installed on the mounting bracket 5, and the terminal module 4 is installed on the mounting bracket 6. When the mounting bracket 5 and the mounting bracket 6 are connected and matched, the guide rod 51 on the mounting bracket 5 and the guide hole 61 of the mounting bracket 6 are clearance-matched, thereby completing the connection between the male connector and the female connector.

[0049] As can be seen from the above, by assembling the connecting terminal in the insulating shell, specifically, the wiring seat is located in the wiring hole, and the connecting arm is located in the connecting hole, and the height of the connecting hole is greater than the height of the connecting arm, and a plurality of connecting arms are used to form a connecting groove for cooperation with the connecting column, the safety and high voltage resistance of the connector can be effectively improved by increasing the creepage distance.

Claims

1. A high-voltage resistant male connector, characterized in that: include: A male insulating shell, wherein the male insulating shell is provided with a connecting hole and a wiring hole along the insertion direction, the connecting hole and the wiring hole are coaxially arranged along the insertion direction, a partition wall is provided between the connecting hole and the wiring hole, the partition wall is penetrated with a connecting hole along the insertion direction, the connecting hole is connected between the connecting hole and the wiring hole, the connecting hole is provided with a connecting port on the outward side, the wiring hole is provided with a wiring port on the outward side, and the outer wall of the male insulating shell is provided with a clamping portion; A male connecting terminal, wherein the male connecting terminal is provided with a wiring seat and a connecting column along the insertion direction, the outer wall of the wiring seat is provided with a positioning ring groove, a positioning step is provided between the positioning ring groove and the connecting column, the wiring seat is provided in the wiring hole, the connecting column passes through the connecting hole and extends into the connecting hole, and the height of the connecting hole is greater than the height of the connecting column; A male locking buckle, wherein the male locking buckle is provided with a locking substrate, the locking substrate is provided at the wiring port, the locking substrate is penetrated by a through hole connected to the wiring hole, the locking substrate is provided with a plurality of elastic locking arms in the wiring hole along the insertion direction, the free ends of the elastic locking arms are offset inwardly, the free ends are engaged in the positioning ring groove, the positioning step is located in the wiring hole and adjacent to the partition wall, the locking substrate is provided with a buckle portion on the outer side of the outer wall of the male insulating shell, and the clamping portion is engaged with the buckle portion.

2. The male connector according to claim 1, characterized in that: The partition wall and the positioning step are both arranged in an inclined surface, the partition wall and the positioning step are clearance-matched, and the diameter of the positioning step is greater than the diameter of the connecting column.

3. The male connector according to claim 1, characterized in that: The locking substrate is provided with a connecting plate on the outer side of the outer wall of the male insulating shell, the connecting plate is perpendicular to the locking substrate, the buckle is provided on the connecting plate, the buckle is provided in a card slot, and the card part is provided in a card block.

4. The male connector according to any one of claims 1 to 3, characterized in that: The inner wall of the wiring hole is provided with a plurality of slots radially outwardly, the slots extend along the insertion direction, and the slots are communicated with the wiring hole; One of the elastic locking arms is located in one of the slots, and the wiring seat is gap-matched with the inner wall of the wiring hole.

5. The male connector according to claim 3, characterized in that: The male insulating shell is provided with two connecting holes and two wiring holes, one connecting hole and one wiring hole are coaxially connected and arranged along the insertion direction, and the two wiring holes are distributed in the radial direction; The male connector includes two male connecting terminals, a wiring seat is arranged in one wiring hole, a connecting column passes through the connecting hole and extends into the connecting hole, a part of the elastic locking arm is inserted into one wiring hole and engaged with one positioning ring groove, and the other part of the elastic locking arm is inserted into the other wiring hole and engaged with the other positioning ring groove.

6. A high-pressure resistant female connector, characterized in that: include: A female insulating shell, wherein the female insulating shell is provided with a connecting hole and a wiring hole along the insertion direction, the connecting hole and the wiring hole are coaxially arranged along the insertion direction, a partition wall is provided between the connecting hole and the wiring hole, the partition wall is penetrated with a connecting hole along the insertion direction, the connecting hole is connected between the connecting hole and the wiring hole, the connecting hole is provided with a connecting port on the outward side, the wiring hole is provided with a wiring port on the outward side, and the outer wall of the female insulating shell is provided with a clamping portion; A female connection terminal, wherein the female connection terminal is provided with a wiring seat and a plurality of connection arms along the insertion direction, the plurality of connection arms are distributed along the circumferential direction and surround a connection groove, the outer wall of the wiring seat is provided with a positioning ring groove, a positioning step is provided between the positioning ring groove and the connection arm, the wiring seat is provided in the wiring hole, the plurality of connection arms pass through the connecting hole and extend into the connection hole, and the height of the connection hole is greater than the height of the connection arm; A female locking buckle, wherein the female locking buckle is provided with a locking substrate, the locking substrate is arranged at the wiring port, the locking substrate is penetrated by a through hole connected to the wiring hole, the locking substrate is provided with a plurality of elastic locking arms in the wiring hole along the insertion direction, the free ends of the elastic locking arms are offset inwardly, the free ends are engaged in the positioning ring groove, the positioning step is located in the wiring hole and adjacent to the partition wall, the locking substrate is provided with a buckle portion on the outer side of the outer wall of the female insulating shell, and the clamping portion is engaged with the buckle portion.

7. The female connector according to claim 6, characterized in that: The partition wall and the positioning step are both arranged in an inclined surface, the partition wall and the positioning step are clearance-matched, and the diameter of the positioning step is greater than the diameter of the connecting groove.

8. The female connector according to claim 6, characterized in that: The locking substrate is provided with a connecting plate on the outer side of the outer wall of the female insulating shell, the connecting plate is perpendicular to the locking substrate, the buckle part is arranged on the connecting plate, the buckle part is arranged in a card slot, and the card part is arranged in a card block.

9. The female connector according to any one of claims 6 to 8, characterized in that: The inner wall of the wiring hole is provided with a plurality of slots radially outwardly, the slots extend along the insertion direction, and the slots are communicated with the wiring hole; One of the elastic locking arms is located in one of the slots, and the wiring seat is gap-matched with the inner wall of the wiring hole.

10. The female connector according to claim 9, characterized in that: The female insulating shell is provided with two connecting holes and two wiring holes, one connecting hole and one wiring hole are coaxially connected and arranged along the insertion direction, and the two wiring holes are distributed in the radial direction; The female connector includes two female connecting terminals, one wiring seat is arranged in one wiring hole, a plurality of connecting arms of one female connecting terminal pass through the connecting hole and extend into the connecting hole, a part of the elastic locking arm is inserted into one wiring hole and engaged with one positioning ring groove, and another part of the elastic locking arm is inserted into another wiring hole and engaged with another positioning ring groove.

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