Graphite grounding body nonmetallic connecting piece

Abstract

The utility model provides a kind of graphite grounding body nonmetallic connecting piece, through the detachable buckling design of insulating base and insulating cover, cooperate and set up the grounding body connecting sleeve in the middle part of base, the core package and insulation barrier of grounding body connecting point are formed, effectively isolate the outside environment erosion and break unnecessary current passage;Extension sheath is set in the both ends of base and cover, especially the tapered sleeve of its end, can tightly wrap and extend protection grounding body ontology, significantly improve the protection level of grounding body near connecting point, prevent mechanical damage and chemical corrosion invasion;Using the movement of slider in sliding slot and the pressure tooth of slider lower surface, combined with the rotation of adjusting screw, the convenient, reliable fine adjustment of the tightness of grounding body in connecting piece is realized, the persistent stability of connection is ensured, and possible slack can be effectively compensated;At the same time, buckle connection, snap ring limiting and other structures make overall assembly simple, firm.

Description

Technical Field

[0001] This utility model relates to the field of graphite grounding electrodes, and in particular to a non-metallic connector for graphite grounding electrodes. Background Technology

[0002] In lightning protection grounding projects for power systems, communication facilities, and buildings, graphite grounding electrodes are gradually replacing traditional metal grounding electrodes (such as galvanized flat steel and copper-clad steel) due to their excellent conductivity, corrosion resistance, environmental friendliness, and ease of construction. Graphite grounding electrodes are typically composed of multiple short sections connected together to achieve the required laying length. The performance of the connectors directly affects the reliability, stability, and lifespan of the entire grounding system. In applications involving graphite grounding electrodes, especially in harsh underground environments with highly corrosive soil, high humidity, or stray currents, higher requirements are placed on the connectors: they need excellent electrical insulation to block unnecessary current paths between different grounding electrode sections or between the grounding electrode and the external environment; reliable mechanical connection strength to withstand soil pressure and external forces; and long-term sealing and protective performance to resist connection point deterioration caused by moisture and chemical corrosion.

[0003] Currently, the connectors used to connect graphite grounding electrodes mainly suffer from the following problems and deficiencies: First, insufficient sealing and protection: Many connectors have simple structures and do not tightly wrap the grounding electrode connection points (usually the connecting sleeves of graphite rods or graphite cables), especially at the joints between the connector ends and the grounding electrode, easily forming gaps that allow moisture, electrolytes in the soil, or corrosive substances to infiltrate, accelerating corrosion and oxidation at the connection points and the ends of the grounding electrode, increasing contact resistance, and reducing grounding effectiveness. Second, poor connection stability and adjustability: Existing connectors mostly use fixed clamps or simple crimping, making it difficult to fine-tune the tightness after installation according to soil settlement or external forces, which may lead to loosening of the connection, increased contact resistance, or even the risk of detachment. Third, weak environmental adaptability: The exposed sections of the grounding electrode at both ends of the connector are directly exposed to the soil, lacking effective extended protection, and are easily subject to mechanical damage (such as construction backfilling, animal gnawing) or chemical corrosion. Finally, insulation performance needs improvement: although some connectors are made of non-metallic materials, the structural design fails to effectively form an all-round insulation barrier for the connection points. Especially in complex electromagnetic environments or areas with stray currents, insufficient insulation may lead to a decline in the performance of the grounding system or cause other problems.

[0004] Therefore, there is an urgent need in this field to develop a new type of non-metallic connector for graphite grounding electrodes. It needs to effectively solve the problems mentioned above, such as insufficient sealing protection, poor connection stability and adjustability, weak environmental adaptability, and the need to improve insulation performance. It should provide a long-life connection solution with reasonable structure, convenient installation, reliable sealing, comprehensive protection, excellent insulation performance, and certain adjustability, so as to adapt to harsh underground environments and ensure the long-term stable and reliable operation of graphite grounding systems. Utility Model Content

[0005] The purpose of this utility model is to provide a non-metallic connector for a graphite grounding electrode to solve the problems existing in the prior art.

[0006] To achieve the above objectives, this utility model provides the following solution:

[0007] This utility model provides a non-metallic connector for a graphite grounding electrode, comprising:

[0008] An insulating base, wherein a grounding body connecting sleeve is provided in the middle of the insulating base;

[0009] An insulating cover, which is detachably fastened to the upper part of the insulating base;

[0010] An extension sleeve is provided at both ends of the insulating base and the insulating cover;

[0011] An adjustment mechanism is provided at both ends of the insulating cover.

[0012] Preferably, the upper surface of the insulating base is provided with a limiting groove, the middle part of the limiting groove is provided with a fixing groove, and the grounding body connecting sleeve is disposed in the fixing groove.

[0013] Preferably, the grounding body connecting bushing includes a bushing body, and the two ends of the bushing body are respectively provided with a first interface and a second interface, and the first interface and the second interface are connected by a graphite column.

[0014] Preferably, the insulating base and the insulating cover are connected by a snap-fit ​​connection.

[0015] Preferably, both ends of the insulating base and both ends of the insulating cover are provided with retaining rings, and the extended sheath is confined within the retaining rings.

[0016] Preferably, the extended sheath includes a limiting flange, and a tapered sleeve is fixed to the end of the limiting flange.

[0017] Preferably, the tapered sleeve is a corrugated pipe.

[0018] Preferably, the adjusting mechanism includes a slide groove, in which a slider is slidably disposed, the lower surface of the slider is provided with pressing teeth, and an adjusting screw is rotatably connected to the end of the slider. The adjusting screw is screwed onto a nut seat at the end of the insulating cover, and the adjusting screw extends to the outside of the insulating cover.

[0019] The present invention achieves the following beneficial technical effects compared to the prior art:

[0020] This utility model provides a non-metallic connector for a graphite grounding electrode. Through a detachable snap-fit ​​design of the insulating base and insulating cover, combined with a grounding electrode connecting sleeve located in the middle of the base, a core enclosure and insulating barrier is formed around the grounding electrode connection point, effectively isolating it from external environmental erosion and blocking unnecessary current paths. The extended protective sleeves at both ends of the base and cover, especially the tapered sleeves at their ends, tightly wrap and extend to protect the grounding electrode body, significantly improving the protection level of the grounding electrode near the connection point and preventing mechanical damage and chemical corrosion intrusion. Utilizing the movement of the slider within the groove and the pressure teeth on the lower surface of the slider, combined with the rotation of the adjusting screw, convenient and reliable fine-tuning of the grounding electrode connection tightness within the connector is achieved, ensuring the long-term stability of the connection and effectively compensating for possible loosening. Simultaneously, the snap-fit ​​connection and retaining ring structure make overall assembly simple and robust. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 A schematic diagram of the non-metallic connector structure of the graphite grounding electrode provided by this utility model. Detailed Implementation

[0023] The serial numbers assigned to components in this document, such as "first" and "second," are used only to distinguish the described objects and have no sequential or technical meaning. The terms "connection" and "linkage" used in this application, unless otherwise specified, include both direct and indirect connections (linkages). In the description of this utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] The purpose of this invention is to provide a non-metallic connector for a graphite grounding electrode to solve the problems existing in the prior art.

[0027] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] Example 1:

[0029] This embodiment provides a non-metallic connector for a graphite grounding electrode, such as... Figure 1 As shown, it includes:

[0030] An insulating base 1 is provided with a grounding body connecting sleeve 2 in the middle of the insulating base 1. Two graphite grounding bodies are connected and conductive by inserting them into the grounding body connecting sleeve 2.

[0031] Insulating cover 3 is detachably fastened to the upper part of insulating base 1 to achieve external protection;

[0032] The extension sleeve 4 is located at both ends of the insulating base 1 and the insulating cover 3, and can protect the extended graphite grounding body.

[0033] Adjustment mechanism 5 is located at both ends of the insulating cover to fine-tune the graphite grounding body.

[0034] In one embodiment, the upper surface of the insulating base 1 is provided with a limiting groove 11 for limiting the graphite grounding body. The middle part of the limiting groove 11 is provided with a fixing groove 12, and the grounding body connecting sleeve 2 is disposed in the fixing groove 12, thereby fixing the grounding body connecting sleeve 2.

[0035] In one embodiment, the grounding electrode connecting sleeve 2 includes a sleeve body 21. The two ends of the sleeve body 21 are respectively provided with a first interface 22 and a second interface 23. The first interface 22 and the second interface 23 are connected by a graphite column 24. In this way, the two graphite grounding electrodes are respectively inserted into the first interface 22 and the second interface 23, and conduction can be achieved through the graphite column 24.

[0036] In one implementation, the insulating base 1 and the insulating cover 3 are connected by a snap-fit, which facilitates disassembly and assembly.

[0037] In one implementation, retaining rings 6 are provided at both ends of the insulating base 1 and both ends of the insulating cover 3, and the extension sleeve 4 is confined within the retaining rings 6, thereby achieving the fixation of the extension sleeve 4.

[0038] In one embodiment, the extended sheath 4 includes a limiting flange 41, which is limited within the retaining ring 6, and a tapered sleeve 42 is fixed to the end of the limiting flange 41, thereby protecting the graphite grounding body.

[0039] As one implementation method, the tapered sleeve 42 is a bellows, thereby ensuring that it can rotate at multiple angles.

[0040] In one embodiment, the adjustment mechanism 5 includes a slide groove 51, in which a slider 52 is slidably disposed. The lower surface of the slider 52 is provided with pressure teeth 53. An adjustment screw 54 is rotatably connected to the end of the slider 52. The adjustment screw 54 is screwed onto the nut seat 55 at the end of the insulating cover 3 and extends to the outside of the insulating cover 3. By rotating the adjustment screw 54, the adjustment screw 54 can move inward, thereby driving the slider 52 to slide. Since the pressure teeth 53 press tightly against the graphite grounding body, the graphite grounding body can be driven to be slightly adjusted inward, making its contact tighter.

[0041] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0042] It should be noted that the components mentioned in the above embodiments are all general standard parts or components known to those skilled in the art. Their structures and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0043] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of ​​this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A non-metallic connector for a graphite grounding electrode, characterized in that: include: An insulating base, wherein a grounding body connecting sleeve is provided in the middle of the insulating base; An insulating cover, which is detachably fastened to the upper part of the insulating base; An extension sleeve is provided at both ends of the insulating base and the insulating cover; An adjustment mechanism is provided at both ends of the insulating cover.

2. The non-metallic connector for graphite grounding electrode according to claim 1, characterized in that: The upper surface of the insulating base is provided with a limiting groove, and the middle part of the limiting groove is provided with a fixing groove. The grounding body connecting sleeve is set in the fixing groove.

3. The non-metallic connector for graphite grounding electrode according to claim 1, characterized in that: The grounding connection bushing includes a bushing body, and the two ends of the bushing body are respectively provided with a first interface and a second interface, which are connected by a graphite column.

4. The non-metallic connector for graphite grounding electrode according to claim 1, characterized in that: The insulating base and the insulating cover are connected by a snap-fit.

5. The non-metallic connector for graphite grounding electrode according to claim 1, characterized in that: Both ends of the insulating base and both ends of the insulating cover are provided with retaining rings, and the extended sheath is confined within the retaining rings.

6. The non-metallic connector for graphite grounding electrode according to claim 1, characterized in that: The extended sheath includes a limiting flange, and a tapered sleeve is fixed to the end of the limiting flange.

7. The non-metallic connector for graphite grounding electrode according to claim 6, characterized in that: The tapered sleeve is a corrugated pipe.

8. The non-metallic connector for graphite grounding electrode according to claim 1, characterized in that: The adjustment mechanism includes a slide groove, in which a slider is slidably disposed. The lower surface of the slider is provided with pressure teeth. An adjustment screw is rotatably connected to the end of the slider. The adjustment screw is screwed onto a nut seat at the end of the insulating cover and extends to the outside of the insulating cover.

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