Ground wire connector convenient for replacing ground wire head

Abstract

The utility model is suitable for the technical field of grounding wires, and provides a grounding wire connector convenient for replacing a grounding wire head, which comprises a grounding flat iron, the top end of the grounding flat iron is fixedly connected with a mounting seat, and the top end of the mounting seat is fixedly connected with a base. According to the utility model, the base, the cable, the sealing cover, the limiting seat, the binding post, the resistance reducing agent, the notch I and the wire nose are arranged, the hoop is made of a rubber material and sleeves the outer surface of the cable in a trapezoidal shape, so that the sealing performance of the cable inserted into the notch III can be improved, and the limiting seat is cylindrical and is used for isolating the interior of the base; the first notch and the third notch are located on the same side so that the wire nose can be conveniently arranged on the outer surface of the binding post in a sleeving mode to achieve plugging of a grounding wire, the limiting base is filled with the resistance reducing agent, the stability of conductive connection of the wire nose and the binding post can be improved, the binding post and the wire nose can be sealed by rotating the sealing cover, and therefore erosion in air is reduced, and the service life of the grounding wire is prolonged. Therefore, the service life of the grounding wire connector is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of grounding wires, and in particular relates to a grounding wire connector which is convenient for replacing a grounding wire head. Background Art

[0002] The use of grounding wires is indispensable in the process of power maintenance. Grounding wires are lines directly connected to the ground surface, also known as safety return lines. When in danger, they conduct high-voltage currents to the ground surface to achieve high-voltage dissipation. Grounding wires are a lifeline and an important tool to protect workers when voltage unexpectedly appears on power-off equipment and lines.

[0003] The existing grounding wire connector that is easy to replace the grounding wire head usually includes two components: a grounding wire head and a grounding wire connector. The grounding wire head is generally composed of a cable and grounding wire heads at both ends. The grounding wire head is used to connect to the grounding connector. At present, the grounding wire head is generally connected to the grounding wire connector using a wire nose and a bolt. The grounding wire connector includes a flat iron and a mounting seat. The mounting seat is welded to the top of the flat iron and fixed with a cable. The flat iron is plugged more than 1.2 meters underground.

[0004] When the existing grounding wire connector that is easy to replace the grounding wire head is in use, since the grounding wire head and the mounting base are exposed to the outside, the wire head may cause high temperature at the joint when conducting electricity. In a high temperature and high humidity environment, the grounding wire head may accelerate aging, thereby affecting the service life of the grounding wire connector. Utility Model Content

[0005] The utility model provides a grounding wire connector for easy replacement of the grounding wire head, aiming to solve the problem that when the existing grounding wire connector for easy replacement of the grounding wire head is used, the grounding wire head and the mounting seat are exposed to the outside, and the wire head may cause high temperature to be generated at the joint when conducting electricity. In a high temperature and high humidity environment, the grounding wire head may accelerate aging, thereby affecting the service life of the grounding wire connector.

[0006] The utility model is implemented as follows: a grounding wire connector which is convenient for replacing a grounding wire head comprises a grounding flat iron, a mounting seat is fixedly connected to the top of the grounding flat iron, a base is fixedly connected to the inside of the base, a limiting seat is fixedly connected to the middle position inside the limiting seat, a terminal is fixedly connected to the inside of the limiting seat, a resistance reducing agent is filled inside the limiting seat, a slot one is provided on the side wall of the limiting seat, a slot three is provided on the side wall of the base near the slot one, a sealing cover is rotatably connected to the top position of the base, cables are clamped inside the slots one and three, a hoop is sleeved on the outer surface of the cable near the slot three, a wire nose is fixedly connected to the end position of the cable near the terminal, and the wire nose is sleeved on the outer surface of the terminal.

[0007] Preferably, a concrete block is cast at a position of the outer surface of the grounding flat iron close to the mounting seat, and the concrete block is made of concrete material, which improves the buried stability of the grounding flat iron.

[0008] Preferably, the grounding flat iron and the mounting seat are both low-carbon steel plates, and the outer surfaces of the grounding flat iron and the mounting seat are evenly coated with epoxy resin paint, which improves the corrosion resistance of the grounding flat iron and the mounting seat.

[0009] Preferably, a second notch is provided at the bottom end of the sealing cover, the second notch is in the shape of a circular ring, a sealing ring is clamped inside the second notch, the cross-section of the sealing ring is L-shaped, and the outer dimensions of the bottom end of the sealing ring are matched with the inner dimensions of the base, thereby improving the sealing between the sealing cover and the base.

[0010] Preferably, the sealing cover is fixedly connected to a limiting sleeve at the bottom end position near the terminal, the limiting sleeve is made of rubber material and has a U-shaped cross-section, the internal dimensions of the limiting sleeve are adapted to the internal dimensions of the terminal, thereby improving the stability of the wire nose sleeve on the outer surface of the terminal.

[0011] Preferably, the side surface of the notch three is T-shaped and matches the external dimensions of the ferrule, and the ferrule is made of silicone material and has elasticity, thereby improving the sealing performance of the notch three.

[0012] Preferably, two hole slots 1 are symmetrically opened at the bottom end of the slot 3, and hole slots 2 are opened inside the hoop near hole slot 1. The two hole slots 2 are located in the same vertical direction as hole slot 1, thereby improving the stability of the hoop installation.

[0013] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0014] Firstly, a base, a cable, a sealing cover, a limit seat, a terminal, a resistance reducing agent, a slot one and a wire nose are provided. The hoop is made of rubber material and is trapezoidally sleeved on the outer surface of the cable to improve the sealing of the cable when plugged into the slot three. The limit seat is cylindrical and is used to isolate the inside of the base. The slot one and the slot three are located on the same side to facilitate the wire nose to be sleeved on the outer surface of the terminal to achieve the connection of the grounding wire. The resistance reducing agent is filled in the inside of the limit seat to improve the stability of the conductive connection between the wire nose and the terminal. The sealing cover can be rotated to seal the terminal and the wire nose, thereby reducing erosion in the air and improving the service life of the grounding wire connector. Secondly, a slot two and a sealing ring are provided. The slot two is in a circular ring shape and is opened at the bottom end of the sealing cover. The rubber slope of the sealing ring is L-shaped and is clamped in the inside of the slot two to improve the sealing of the sealing cover closed at the top of the base. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a front view cross-sectional structural schematic diagram of the utility model;

[0016] Figure 2 The utility model Figure 1 The enlarged structural diagram at A in the middle;

[0017] Figure 3 This is a schematic diagram of the top view of the base structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the three side cross-sectional structures of the notch of the utility model.

[0019] In the figure: 1. Grounding flat iron; 2. Concrete block; 3. Mounting seat; 4. Base; 5. Cable; 6. Sealing cover; 7. Limit seat; 8. Terminal; 9. Resistance reducing agent; 10. Slot 1; 11. Wire nose; 12. Limit sleeve; 13. Slot 2; 14. Sealing ring; 15. Slot 3; 16. Hoop; 17. Hole slot 1; 18. Hole slot 2. DETAILED DESCRIPTION

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0021] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0022] See also Figure 1-4, the utility model provides an embodiment: a grounding wire connector that is easy to replace the grounding wire head, including a grounding flat iron 1, the top of the grounding flat iron 1 is fixedly connected to a mounting seat 3 by welding, a concrete block 2 is cast at the outer surface position of the grounding flat iron 1 close to the mounting seat 3, the concrete block 2 is made of concrete material, which improves the stability of the burial of the grounding flat iron 1, the grounding flat iron 1 and the mounting seat 3 are both low-carbon steel plates with conductivity, the outer surfaces of the grounding flat iron 1 and the mounting seat 3 are evenly coated with epoxy resin coating, which improves the corrosion resistance of the grounding flat iron 1 and the mounting seat 3, the top of the mounting seat 3 is fixedly connected to a base 4 by welding, the interior of the base 4 is fixedly connected to a limited seat 7 by welding, and a terminal 8 is fixedly connected to the middle position of the interior of the limited seat 7 by bolts, the terminal 8 is made of low-carbon steel and is cylindrical for plugging and conducting, the interior of the limited seat 7 is filled with a resistance reducing agent 9, the resistance reducing agent 9 contains fine graphite, bentonite, curing agent, lubricant, and conductive cement particles, the resistance reducing agent 9 is a conductor, the base 4 and the limited seat 7 are both low-carbon steel. The cylindrical shape realizes double-layer protection for the terminal 8. A notch 10 is provided on the side wall of the limit seat 7. A notch 3 15 is provided on the side wall of the base 4 near the notch 10. A sealing cover 6 is rotatably connected at the top position of the base 4. The insides of the notch 10 and the notch 3 15 are both clamped with the cable 5. The outer surface of the cable 5 near the notch 3 15 is sleeved with a hoop 16. The side of the notch 3 15 is T-shaped and matches the outer size of the hoop 16. The hoop 16 is made of silicone material and has elasticity, which improves the sealing performance of the notch 3 15. A wire nose 11 is fixedly connected to the end position of the cable 5 near the terminal 8, and the wire nose 11 is sleeved on the outer surface of the terminal 8. The resistance reducing agent 9 inside the limit seat 7 can enable the terminal 8 and the wire nose 11 to be in close contact with each other to form a sufficiently large current flow surface, which can improve the stability of the conductive connection between the wire nose 11 and the terminal 8. The rotating sealing cover 6 is fixed to the top of the base 4 by bolts, which can achieve sealing of the terminal 8 and the wire nose 11, thereby reducing erosion in the air and improving the service life of the grounding wire connector.

[0023] A slot 13 is provided at the bottom end of the sealing cover 6, and the slot 13 is in a circular ring shape. A sealing ring 14 is clamped inside the slot 13. The sealing ring 14 is made of rubber and has an L-shaped cross-section. The external dimensions of the bottom end of the sealing ring 14 are matched with the internal dimensions of the base 4, thereby improving the sealing between the sealing cover 6 and the base 4. The sealing cover 6 is fixedly connected with a limiting sleeve 12 at the bottom end near the terminal 8. The limiting sleeve 12 is made of rubber and has a U-shaped cross-section. The internal dimensions of the limiting sleeve 12 are matched with the internal dimensions of the terminal 8. When the terminal 8 is inserted into the limiting sleeve 12, the limiting sleeve 12 limits the displacement of the wire nose 11 to prevent the wire nose 11 from slipping out of the terminal 8, thereby improving the stability of the wire nose 11 sleeved on the outer surface of the terminal 8.

[0024] Two hole grooves 17 are symmetrically provided at the bottom end of the slot three 15, and hole grooves 2 18 are provided inside the hoop 16 near the hole groove 17. The two hole grooves 2 18 are located in the same vertical direction as the hole groove 17 and have the same internal diameter, which facilitates the insertion of bolts to fix the hoop 16 and improves the stability of the installation of the hoop 16.

[0025] Working principle: When using this grounding wire connector that is easy to replace the grounding wire head, the operator first sets the slot three 15 on the end of the cable 5, and then fixes the wire nose 11 at the end position of the cable 5, so that the wire nose 11 is set on the outer surface of the terminal 8, and the cable 5 is connected through the wire nose 11, the terminal 8, the base 4, the mounting seat 3 and the grounding flat iron 1 in turn, so as to achieve the grounding of the line, and then fill the resistance reducing agent 9 in the interior of the limit seat 7. The resistance reducing agent 9 contains fine graphite, bentonite, curing agent, lubricant, and conductive cement particles. The resistance reducing agent 9 is a conductor. The resistance reducing agent 9 can make the terminal 8 and the wire nose 11 in close contact to form a sufficiently large current flow surface. , which can improve the stability of the conductive connection between the wire nose 11 and the terminal 8. The limiting seat 7 is cylindrical and is used to isolate the inside of the base 4, which can prevent water vapor from directly entering the inside of the limiting seat 7. The slot 10 and the slot 3 15 are located on the same side to facilitate the arrangement of the cable 5. The hoop 16 is made of rubber and is trapezoidally sleeved on the outer surface of the cable 5, which can improve the sealing of the cable 5 when plugged into the inside of the slot 3 15. The resistance reducing agent 9 is filled in the inside of the limiting seat 7 to improve the stability of the conductive connection between the wire nose 11 and the terminal 8. The rotating sealing cover 6 can be fixed by bolts to achieve the sealing of the terminal 8 and the wire nose 11, thereby reducing the erosion of water vapor in the air, thereby improving the service life of the grounding wire connector.

[0026] Secondly, the second notch 13 is annularly provided at the bottom of the sealing cover 6 , and the sealing ring 14 is made of rubber and has an L-shaped slope, which is clamped inside the second notch 13 to improve the sealing performance of the sealing cover 6 closed on the top of the base 4 .

[0027] When the grounding wire head needs to be replaced, the operator can rotate the sealing cover (6) by unscrewing the bolts on the top of the sealing cover (6) to conveniently take out the cable (5) and the wire nose (11) for replacement.

[0028] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0029] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0030] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0031] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A grounding wire connector that is convenient for replacing a grounding wire head, characterized in that: The invention comprises a grounding flat iron (1): the top of the grounding flat iron (1) is fixedly connected to a mounting seat (3), the top of the mounting seat (3) is fixedly connected to a base (4), the interior of the base (4) is fixedly connected to a limit seat (7), a terminal (8) is fixedly connected to the middle position of the interior of the limit seat (7), the interior of the limit seat (7) is filled with a resistance reducing agent (9), a notch (10) is provided on the side wall of the limit seat (7), and the base (4) is close to the notch. A slot three (15) is provided on the side wall of the slot one (10); a sealing cover (6) is rotatably connected to the top position of the base (4); cables (5) are clamped inside the slot one (10) and the slot three (15); a ferrule (16) is sleeved on the outer surface of the cable (5) near the slot three (15); a wire nose (11) is fixedly connected to the end position of the cable (5) near the terminal (8); and the wire nose (11) is sleeved on the outer surface of the terminal (8).

2. A grounding wire connector for facilitating replacement of a grounding wire head according to claim 1, characterized in that: A concrete block (2) is cast at a position on the outer surface of the grounding flat iron (1) close to the mounting seat (3), and the concrete block (2) is made of concrete.

3. A grounding wire connector for facilitating replacement of a grounding wire head according to claim 2, characterized in that: The grounding flat iron (1) and the mounting seat (3) are both made of low-carbon steel plates, and the outer surfaces of the grounding flat iron (1) and the mounting seat (3) are evenly coated with epoxy resin paint.

4. A grounding wire connector for facilitating replacement of a grounding wire head according to claim 1, characterized in that: A second notch (13) is provided at the bottom end of the sealing cover (6), the second notch (13) is in the shape of a circular ring, a sealing ring (14) is clamped inside the second notch (13), the cross section of the sealing ring (14) is L-shaped, and the outer dimensions of the bottom end of the sealing ring (14) are compatible with the inner dimensions of the base (4).

5. A grounding wire connector for facilitating replacement of a grounding wire head according to claim 4, characterized in that: The sealing cover (6) is fixedly connected to a limiting sleeve (12) at a position close to the bottom end of the terminal (8); the limiting sleeve (12) is made of rubber and has a U-shaped cross-section; the internal dimensions of the limiting sleeve (12) are compatible with the internal dimensions of the terminal (8).

6. A grounding wire connector for facilitating replacement of a grounding wire head according to claim 1, characterized in that: The side surface of the notch three (15) is T-shaped and matches the external dimensions of the ferrule (16); the ferrule (16) is made of silicone and has elasticity.

7. A grounding wire connector for facilitating replacement of a grounding wire head according to claim 4, characterized in that: The bottom end of the notch three (15) is symmetrically provided with two hole slots one (17), and the inside of the hoop (16) close to the hole slot one (17) is provided with a hole slot two (18), and the two hole slots two (18) are located in the same vertical direction as the hole slot one (17).

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