Ground wire connector

Abstract

The invention belongs to the technical field of electrical equipment maintenance, and particularly discloses a ground wire connector which comprises a mounting seat and a protective shell on the upper side of the mounting seat, the interior of the protective shell is divided into an upper part and a lower part through a middle plate, and a connecting mechanism is arranged in a space formed by the mounting seat and the protective shell; the connecting mechanism comprises a wire pressing assembly, a rotary wiring assembly, a dynamic connecting assembly, a reliable connecting extrusion assembly and a self-locking retracting and releasing assembly. The gap is formed in the outer wall of the winding drum, the two grounding wires are connected in a pressed mode, in the process, the two grounding wires are reliably connected through the air bag, the winding length of the two grounding wires can be changed, and therefore the position of the connector can be changed under the condition that wiring is not conducted again.

Description

Technical Field

[0001] The invention belongs to the technical field of power equipment maintenance, and in particular relates to a grounding wire connector. Background Art

[0002] The grounding wire connector is a connector that is structurally connected to the ground with a low resistance. When the power supply system and electrical equipment are shut down for maintenance, they need to be temporarily grounded to prevent electric shock accidents to operators caused by sudden power supply to the power outage line or equipment.

[0003] In the process of using the grounding wire, a wiring nose is usually used to directly fix one end of the grounding wire, and then the wiring noses of the two grounding wires are fixed by bolts, and the connecting wires of the grounding wires are placed in a protection box. Due to the small space of the protection box, it is difficult to connect the grounding wire to the bolt, which brings great personal safety hazards to maintenance personnel. The connection between the wiring nose and the grounding wire is easily loosened by external force, and generally, after the wiring nose is connected to the grounding wire, it cannot be moved, which may cause inconvenience to maintenance.

[0004] Therefore, a grounding wire connector is needed to solve the above problems. Summary of the invention

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a grounding wire connector, in which a notch is set on the outer wall of the winding drum to crimp the two grounding wires. During this process, the two grounding wires are reliably connected by an air bag, and the winding length of the two grounding wires can be changed, so that the position of the connector can be changed without rewiring.

[0006] The technical solution adopted by the present invention is as follows: The present invention proposes a grounding wire connector, comprising a mounting seat and a protective shell on its upper side, wherein the protective shell is divided into an upper and lower part by an intermediate plate, and a connecting mechanism is provided in the space formed by the mounting seat and the protective shell; The connection mechanism includes a wire clamping assembly, a rotary wiring assembly, a dynamic connection assembly, a reliability connection extrusion assembly and a self-locking retractable assembly, wherein the wire clamping assembly is symmetrically arranged between the upper wall and the middle plate of the mounting seat, the rotary wiring assembly is arranged between the upper wall and the middle plate of the protective shell, the dynamic connection assembly is arranged inside the wire clamping assembly, the reliability connection extrusion assembly is arranged inside the wire clamping assembly, and the self-locking retractable assembly is arranged on the lower wall of the mounting seat; Furthermore, the wire clamping assembly includes a winding drum, a rotating ring and a pressure plate, the rotating ring is arranged on the lower wall of the middle plate, the winding drum is a hollow cavity with an opening at the upper end, the winding drum is arranged on the upper wall of the mounting seat, the outer wall of the winding drum is symmetrically provided with notches, the upper wall of the winding drum is symmetrically provided with through grooves, the through grooves are arc-shaped, the through grooves correspond to the notches up and down, the rotating ring is rotatably connected to the middle plate, the pressure plate is symmetrically provided on the lower wall of the rotating ring, and the pressure plate is slidably provided in the through groove.

[0007] Furthermore, the rotary wiring assembly includes a movable block, a metal rod, a metal tube, an insulating block, an adjustment handle and an adjustment threaded rod. The movable block is slidably arranged in the winding drum. The metal tube is a U-shaped tube. Both ends of the metal tube slide through the middle plate. The metal rod passes through the center of the movable block. The upper end of the metal rod is inserted into the two ends of the metal tube. The insulating block is arranged in the middle of the metal tube. The adjustment threaded rod is arranged on the insulating block through a thread. The upper end of the adjustment threaded rod passes through the upper wall of the protective shell. The adjustment handle is arranged on the outside of the protective shell. The adjustment handle is arranged at the upper end of the adjustment threaded rod.

[0008] Furthermore, the dynamic connection component includes a metal plate, a docking plate, a restoring spring, a metal block, a guide rod and a fixed block. The fixed block is symmetrically arranged on the lower end surface of the movable block, and the two ends of the guide rod are respectively arranged on two fixed blocks. There are two metal plates, and the two metal plates are slidably arranged on the guide rod. The restoring spring is sleeved on the guide rod, and the two ends of the restoring spring are respectively arranged on the fixed block and the metal plate. The guide rod is made of metal, the docking plate is arranged on the inner side wall of the metal plate, the docking plate is made of metal, the metal block is arranged in the middle part of the guide rod, and the metal block is rotatably connected to the lower end of the metal rod.

[0009] Furthermore, the reliable connection extrusion assembly includes an airbag, a connecting platform, a sliding rod and a supporting spring, the airbag is symmetrically arranged on the lower part of the inner wall of the winding drum, the airbag corresponds to the metal plate, the upper end surface of the winding drum is symmetrically provided with air holes, the air holes are blind holes, the air holes are connected to the airbag through ventilation tubes, the air holes are arranged between the through grooves, the connecting platform is arranged at the upper end edge of the movable block, the upper end of the sliding rod is arranged on the lower wall of the connecting platform, the lower end of the sliding rod is slidably arranged in the air hole, the lower end of the support spring is arranged on the inner bottom wall of the air hole, and the upper end of the support spring is arranged at the lower end of the sliding rod.

[0010] Furthermore, the lower wall of the notch is provided with limiting holes in an array along the circumferential direction, and the lower wall of the pressure plate is provided with blocking shafts in an array along the circumferential direction, and the limiting holes correspond to the blocking shafts one by one.

[0011] Furthermore, the self-locking retractable assembly includes a reeling knob, a reeling shaft and a locking screw, the reeling shaft is connected to the upper end of the reeling drum, the reeling knob is arranged at the lower end of the reeling shaft, the locking screw is threadedly penetrated through the lower wall of the mounting seat, and the locking screw corresponds to the lower end of the reeling drum.

[0012] Furthermore, the outer wall of the protective shell is symmetrically provided with wire grooves, and the wire grooves are aligned with the inner side of the notch.

[0013] Furthermore, the mounting seat and the protective shell are fixed by bolts.

[0014] Furthermore, the lower wall of the mounting seat is symmetrically provided with mounting legs in pairs.

[0015] The beneficial effects achieved by the present invention using the above structure are as follows: In the initial state, the protective shell is lifted upward, the lower end surface of the protective shell exceeds the height of the notch, and at the same time, the support spring pushes the slide rod upward, the slide rod drives the connecting platform and the movable block upward, the movable block drives the dynamic connecting assembly upward, and the height of the metal plate exceeds the height of the notch; Put two grounding wires into the notch, press down the protective shell, and the protective shell drives the pressure plate to move downward in the through slot until the pressure plate presses the two grounding wires. At this time, the retaining shaft on the lower wall of the pressure plate enters the limiting hole, and then the protective shell is fixed to the mounting seat with bolts; The protective shell drives the adjusting threaded rod and the insulating block to move downward, and the insulating block drives the metal tube to move downward. Both ends of the metal tube can slide on the metal rod. The metal rod completely enters the metal tube, and the lower end of the metal tube contacts the upper end surface of the movable block. When the adjusting threaded rod drives the insulating block to move downward, the insulating block drives the metal tube to move downward, and both ends of the metal tube press down the movable block. The movable block drives the metal plate in the dynamic connection assembly to move downward. The metal plate is always on both sides of the grounding wire under the action of the restoring spring. When the movable block moves downward, it drives the connecting platform and the sliding rod to move downward. The sliding rod presses the gas in the air hole into the air bag, the air bag expands, and the air bag squeezes the metal plate. The two metal plates finally clamp the grounding wire in the middle and connect them reliably. At this time, the metal plate, docking plate, guide rod, metal block, metal rod and metal pipe connect the two grounding wires together to complete reliable grounding. Turn the winding knob to rotate the winding shaft, and the winding shaft drives the winding drum to rotate. The winding drum can wind up or release the grounding wire, so the installation position of the mounting leg can be changed arbitrarily according to the specific situation. When the winding drum rotates, the winding drum drives the grounding wire to wind up, the grounding wire drives the metal plate to rotate, the metal plate drives the guide rod and the fixed block to rotate, the fixed block drives the movable block to rotate, the movable block drives the metal rod to rotate, the metal rod rotates in the metal tube, and therefore will not drive the metal tube to rotate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the three-dimensional structure of a ground wire connector proposed by the present invention; Figure 2 A schematic diagram of the internal structure of a grounding wire connector proposed by the present invention; Figure 3 for Figure 2 The main view; Figure 4 is a three-dimensional structural schematic diagram of the connecting mechanism; Figure 5 It is a three-dimensional structural diagram of the winding drum, movable block, metal rod and metal tube; Figure 6 It is a schematic diagram of the three-dimensional structure of the movable block and the dynamic connection component; Figure 7 It is a three-dimensional structural schematic diagram of a metal rod, a metal tube and a dynamic connection component; Figure 8 is a schematic diagram of the three-dimensional structure of the dynamic connection component; Fig. 9 is a cross-sectional view of the winding drum; Fig.10 It is a three-dimensional structural schematic diagram of the pressure plate and the retaining shaft; Fig.11 for Figure 6 Enlarged view of part A.

[0017] Among them, 1. mounting base, 2. protective shell, 3. middle plate, 4. connecting mechanism, 5. wire clamping assembly, 6. rotary wiring assembly, 7. dynamic connection assembly, 8. reliability connection extrusion assembly, 9. self-locking retracting assembly, 10. reel, 11. rotating ring, 12. pressing plate, 13. notch, 14. through slot, 15. movable block, 16. metal rod, 17. metal tube, 18. insulating block, 19. adjustment handle, 20. adjustment Threaded rod, 21, metal plate, 22, return spring, 23, guide rod, 24, fixing block, 25, air bag, 26, connecting platform, 27, sliding rod, 28, support spring, 29, air hole, 30, limit hole, 31, stop shaft, 32, winding knob, 33, winding shaft, 34, locking screw, 35, wire groove, 36, bolt, 37, mounting leg, 38, grounding wire, 39, docking plate, 40, metal block, 41, ventilation pipe.

[0018] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] In the description of the present invention, it should be understood that terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “top”, “bottom”, “inside” and “outside” indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 As shown, the present invention proposes a grounding wire connector, comprising a mounting seat 1 and a protective shell 2 on its upper side, wherein the protective shell 2 is divided into an upper and lower part by an intermediate plate 3, and a connecting mechanism 4 is provided in the space formed by the mounting seat 1 and the protective shell 2; The connecting mechanism 4 includes a wire clamping assembly 5, a rotary wiring assembly 6, a dynamic connection assembly 7, a reliability connection extrusion assembly 8 and a self-locking retractable assembly 9, wherein the wire clamping assembly 5 is symmetrically arranged between the upper wall of the mounting seat 1 and the middle plate 3, the rotary wiring assembly 6 is arranged between the upper wall of the protective shell 2 and the middle plate 3, the dynamic connection assembly 7 is arranged inside the wire clamping assembly 5, the reliability connection extrusion assembly 8 is arranged inside the wire clamping assembly 5, and the self-locking retractable assembly 9 is arranged on the lower wall of the mounting seat 1; like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the wire clamping assembly 5 includes a winding drum 10, a rotating ring 11 and a pressure plate 12, the rotating ring 11 is arranged on the lower wall of the middle plate 3, the winding drum 10 is a hollow cavity with an upper end opening, the winding drum 10 is arranged on the upper wall of the mounting seat 1, the outer wall of the winding drum 10 is symmetrically provided with notches 13, the upper wall of the winding drum 10 is symmetrically provided with through grooves 14, the through grooves 14 are arc-shaped, and the through grooves 14 correspond to the notches 13 up and down, the rotating ring 11 is rotatably connected to the middle plate 3, the pressure plate 12 is symmetrically arranged on the lower wall of the rotating ring 11, and the pressure plate 12 is slidably arranged in the through grooves 14.

[0022] like Figure 1 , Figure 2 , Figure 3 As shown, the rotary wiring assembly 6 includes a movable block 15, a metal rod 16, a metal tube 17, an insulating block 18, an adjusting handle 19 and an adjusting threaded rod 20. The movable block 15 is slidably arranged in the winding drum 10. The metal tube 17 is a U-shaped tube. Both ends of the metal tube 17 slide through the middle plate 3. The metal rod 16 passes through the center of the movable block 15. The upper end of the metal rod 16 is inserted into the two ends of the metal tube 17. The insulating block 18 is arranged in the middle of the metal tube 17. The adjusting threaded rod 20 is arranged on the insulating block 18 through a thread. The upper end of the adjusting threaded rod 20 passes through the upper wall of the protective shell 2. The adjusting handle 19 is arranged on the outside of the protective shell 2. The adjusting handle 19 is arranged at the upper end of the adjusting threaded rod 20.

[0023] like Figure 2 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig.11 As shown, the dynamic connection component 7 includes a metal plate 21, a docking plate 39, a restoring spring 22, a metal block 40, a guide rod 23 and a fixed block 24. The fixed block 24 is symmetrically arranged on the lower end surface of the movable block 15. The two ends of the guide rod 23 are respectively arranged on two fixed blocks 24. There are two metal plates 21, and the two metal plates 21 are slidably arranged on the guide rod 23. The restoring spring 22 is sleeved on the guide rod 23. The two ends of the restoring spring 22 are respectively arranged on the fixed block 24 and the metal plate 21. The guide rod 23 is made of metal. The docking plate 39 is arranged on the inner side wall of the metal plate 21. The docking plate 39 is made of metal. The metal block 40 is arranged in the middle of the guide rod 23. The metal block 40 is rotatably connected to the lower end of the metal rod 16.

[0024] like Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 7 , Fig. 9As shown, the reliable connection extrusion assembly 8 includes an airbag 25, a connecting platform 26, a slide bar 27 and a support spring 28. The airbag 25 is symmetrically arranged on the lower part of the inner wall of the winding drum 10, and the airbag 25 corresponds to the metal plate 21. The upper end surface of the winding drum 10 is symmetrically provided with air holes 29, and the air holes 29 are blind holes. The air holes 29 are connected to the airbag 25 through a ventilation pipe 41. The air holes 29 are arranged between the through grooves 14. The connecting platform 26 is arranged at the upper end edge of the movable block 15, the upper end of the slide bar 27 is arranged on the lower wall of the connecting platform 26, and the lower end of the slide bar 27 is slidably arranged in the air hole 29. The lower end of the support spring 28 is arranged on the inner bottom wall of the air hole 29, and the upper end of the support spring 28 is arranged at the lower end of the slide bar 27.

[0025] like Figure 2 , Figure 4 , Figure 5 , Fig. 9 , Fig.10 As shown, the lower wall of the notch 13 is provided with limiting holes 30 in an array along the circumferential direction, and the lower wall of the pressure plate 12 is provided with blocking shafts 31 in an array along the circumferential direction, and the limiting holes 30 correspond to the blocking shafts 31 one by one.

[0026] like Figure 1 , Figure 2 , Figure 3 As shown, the self-locking retractable assembly 9 includes a reeling knob 32, a reeling shaft 33 and a locking screw 34. The reeling shaft 33 is connected to the upper end of the reel 10, the reeling knob 32 is arranged at the lower end of the reel 33, and the locking screw 34 is threadedly penetrated through the lower wall of the mounting seat 1, and the locking screw 34 corresponds to the lower end of the reel 10.

[0027] like Figure 1 , Figure 2 , Figure 4 As shown, the outer wall of the protection shell 2 is symmetrically provided with wire grooves 35 , and the wire grooves 35 are aligned with the inner side of the notch 13 .

[0028] like Figure 1 As shown, the mounting base 1 and the protective housing 2 are fixed by bolts 36 .

[0029] like Figure 1 As shown, the lower wall of the mounting seat 1 is symmetrically provided with mounting legs 37 in pairs.

[0030] When in use, the connector is installed in the corresponding position using the mounting legs 37, the protective shell 2 is lifted upward until the lower end surface of the protective shell 2 exceeds the height of the notch 13, and then the paint coatings of the two grounding wires 38 are peeled off respectively, and the two grounding wires 38 are placed into the notch 13. At this time, the support spring 28 pushes the slide bar 27 upward, and the slide bar 27 drives the connecting platform 26 and the movable block 15 upward, and the movable block 15 drives the dynamic connecting component 7 upward, the height of the metal plate 21 exceeds the height of the notch 13, and then the protective shell 2 is pressed down, and the protective shell 2 drives the pressing plate 12 to move downward, and the pressing plate 12 Move downward in the through slot 14 until the pressure plate 12 presses the two grounding wires 38. At this time, the blocking shaft 31 on the lower wall of the pressure plate 12 enters the limiting hole 30, and then the protection shell 2 is fixed to the mounting seat 1 by the bolt 36. At this time, the grounding wire 38 passes through the wire slot 35 on the side wall of the protection shell 2. At the same time, the protection shell 2 drives the adjusting threaded rod 20 and the insulating block 18 to move downward, and the insulating block 18 drives the metal tube 17 to move downward. The two ends of the metal tube 17 can slide on the metal rod 16. The metal rod 16 completely enters the metal tube 17, and the lower end of the metal tube 17 contacts the upper end surface of the movable block 15. Then, the adjusting handle 19 is rotated, and then the adjusting threaded rod 20 is rotated. The adjusting threaded rod 20 drives the insulating block 18 to move downward, and the insulating block 18 drives the metal tube 17 to move downward. The two ends of the metal tube 17 press the movable block 15 downward, and the movable block 15 drives the dynamic connection component 7 to move downward. The metal plate 21 in the dynamic connection component 7 moves downward. The metal plate 21 is always on both sides of the grounding wire 38 under the action of the return spring 22. When the movable block 15 moves downward, it drives the connecting platform 26 to move downward, and the connecting platform 26 drives the sliding rod 27 to move downward. The sliding rod 27 presses the gas in the air hole 29 into the air bag 25, and the air bag 25 expands. The air bag 25 squeezes the metal plate 21, and the two metal plates 21 finally sandwich the grounding wire 38 in the middle and connect them reliably. At this time, the metal plate 21, the docking plate 39, the guide rod 23, the metal block 40, the metal rod 16 and the metal tube 17 connect the two grounding wires 38 together to complete reliable grounding. The winding knob 32 is turned to rotate the winding shaft 33, and the winding shaft 33 drives the winding drum 10 to rotate. The winding drum 10 can reel in or release the grounding wire 38, so that the installation position of the mounting leg 37 can be arbitrarily changed according to the specific situation. After the installation position is determined, the winding drum 10 and the mounting base 1 can be fixed by tightening the locking screw 34. When the winding drum 10 rotates, the winding drum 10 drives the grounding wire 38 to reel in, and the grounding wire 38 drives the metal plate 21 to rotate, and the metal plate 21 drives the guide rod 23 and the fixed block 24 to rotate, and the fixed block 24 drives the movable block 15 to rotate, and the movable block 15 drives the metal rod 16 to rotate, and the metal rod 16 rotates in the metal tube 17, so it will not drive the metal tube 17 to rotate.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

[0033] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. A grounding wire connector, comprising a mounting base (1) and a protective housing (2) on its upper side, characterized in that: The protective shell (2) is divided into an upper and lower part by an intermediate plate (3), and a connecting mechanism (4) is provided in the space formed by the mounting seat (1) and the protective shell (2); The connection mechanism (4) comprises a wire clamping assembly (5), a rotary wiring assembly (6), a dynamic connection assembly (7), a reliable connection extrusion assembly (8) and a self-locking retractable assembly (9); the wire clamping assembly (5) is arranged between the upper wall of the mounting seat (1) and the middle plate (3); the rotary wiring assembly (6) is arranged between the upper wall of the protective shell (2) and the middle plate (3); the dynamic connection assembly (7) is arranged inside the wire clamping assembly (5); the reliable connection extrusion assembly (8) is arranged inside the wire clamping assembly (5); and the self-locking retractable assembly (9) is arranged on the lower wall of the mounting seat (1).

2. A grounding wire connector according to claim 1, characterized in that: The wire clamping assembly (5) comprises a winding drum (10), a rotating ring (11) and a pressing plate (12), wherein the rotating ring (11) is arranged on the lower wall of the middle plate (3), the winding drum (10) is a hollow cavity with an upper end opening, the winding drum (10) is arranged on the upper wall of the mounting seat (1), the outer wall of the winding drum (10) is symmetrically provided with notches (13), the upper wall of the winding drum (10) is symmetrically provided with through grooves (14), the through grooves (14) are arc-shaped, the through grooves (14) correspond to the notches (13) in upper and lower directions, the rotating ring (11) is rotatably connected to the middle plate (3), the pressing plate (12) is symmetrically provided on the lower wall of the rotating ring (11), and the pressing plate (12) is slidably arranged in the through grooves (14).

3. A grounding wire connector according to claim 2, characterized in that: The rotary wiring assembly (6) comprises a movable block (15), a metal rod (16), a metal tube (17), an insulating block (18), an adjustment handle (19) and an adjustment threaded rod (20); the movable block (15) is slidably arranged in the winding drum (10); the metal tube (17) is a U-shaped tube; both ends of the metal tube (17) slide through the middle plate (3); the metal rod (16) passes through the center of the movable block (15); the upper end of the metal rod (16) is inserted into the two ends of the metal tube (17); the insulating block (18) is arranged in the middle of the metal tube (17); the adjustment threaded rod (20) is threadedly arranged on the insulating block (18); the upper end of the adjustment threaded rod (20) passes through the upper wall of the protective shell (2); the adjustment handle (19) is arranged outside the protective shell (2); and the adjustment handle (19) is arranged at the upper end of the adjustment threaded rod (20).

4. A grounding wire connector according to claim 3, characterized in that: The dynamic connection component (7) comprises a metal plate (21), a docking plate (39), a restoring spring (22), a metal block (40), a guide rod (23) and a fixed block (24); the fixed block (24) is symmetrically arranged on the lower end surface of the movable block (15); the two ends of the guide rod (23) are respectively arranged on two fixed blocks (24); there are two metal plates (21); the two metal plates (21) are slidably arranged on the guide rod (23); the restoring spring (22) is sleeved on the guide rod (23); the two ends of the restoring spring (22) are respectively arranged on the fixed block (24) and the metal plate (21); the guide rod (23) is made of metal; the docking plate (39) is arranged on the inner side wall of the metal plate (21); the docking plate (39) is made of metal; the metal block (40) is arranged in the middle of the guide rod (23); and the metal block (40) is rotatably connected to the lower end of the metal rod (16).

5. A grounding wire connector according to claim 4, characterized in that: The reliable connection extrusion assembly (8) comprises an airbag (25), a connecting platform (26), a sliding rod (27) and a supporting spring (28), wherein the airbag (25) is symmetrically arranged at the lower part of the inner wall of the winding drum (10), the airbag (25) corresponds to the metal plate (21), and the upper end surface of the winding drum (10) is symmetrically provided with an air hole (29), the air hole (29) is a blind hole, and the air hole (29) is connected to the airbag (25) through a vent pipe (41). 25), the air hole (29) is arranged between the through grooves (14), the connecting platform (26) is arranged at the upper edge of the movable block (15), the upper end of the slide bar (27) is arranged on the lower wall of the connecting platform (26), the lower end of the slide bar (27) is slidably arranged in the air hole (29), the lower end of the support spring (28) is arranged on the inner bottom wall of the air hole (29), and the upper end of the support spring (28) is arranged on the lower end of the slide bar (27).

6. A grounding wire connector according to claim 5, characterized in that: The lower wall of the notch (13) is provided with limiting holes (30) in an array along the circumferential direction, and the lower wall of the pressure plate (12) is provided with blocking shafts (31) in an array along the circumferential direction, and the limiting holes (30) correspond to the blocking shafts (31) in a one-to-one manner.

7. A grounding wire connector according to claim 6, characterized in that: The self-locking retractable assembly (9) comprises a reeling knob (32), a reeling shaft (33) and a locking screw (34); the reeling shaft (33) is connected to the upper end of the reeling drum (10); the reeling knob (32) is arranged at the lower end of the reeling shaft (33); the locking screw (34) is threadedly penetrated through the lower wall of the mounting seat (1); and the locking screw (34) corresponds to the lower end of the reeling drum (10).

8. A grounding wire connector according to claim 7, characterized in that: The outer wall of the protective shell (2) is symmetrically provided with wire grooves (35), and the wire grooves (35) are aligned with the inner side of the notch (13).

9. A grounding wire connector according to claim 8, characterized in that: The mounting seat (1) and the protective shell (2) are fixed by bolts (36).

10. A grounding wire connector according to claim 9, characterized in that: The lower wall of the mounting seat (1) is symmetrically provided with mounting legs (37) in pairs.

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