Reinforced insulation type lightning arrester

Abstract

The utility model discloses a reinforced insulation type lightning arrester, and relates to the technical field of lightning arresters. The resistor comprises a resistor body, a first grading ring and a second grading ring, the first grading ring is arranged on the upper surface of the resistor body, the second grading ring is arranged on the lower surface of the resistor body, two mounting plates are embedded in the lower surface of the second grading ring, the two mounting plates are oppositely arranged and are of an L-shaped plate body structure, a sliding plate is embedded between one surfaces of the two mounting plates, and the other surfaces of the two mounting plates are provided with sliding grooves. The sliding plate is of a concave plate structure, an extension plate is welded to the lower surface of the sliding plate, one end of the extension plate extends below the two mounting plates, and a ceramic insulation base is embedded in one end of the extension plate. According to the utility model, through the ceramic insulating base and the insulating sleeve, the lightning protection performance of the lightning arrester in use is improved, the safety problem caused in the use process is avoided, the safety of the lightning arrester in use is improved, and the later use of the lightning arrester is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of lightning arresters, in particular to a reinforced insulation type lightning arrester. Background Art

[0002] An electrical device used to protect electrical equipment from high transient overvoltages and to limit the duration and often the amplitude of the follow-through current. This term includes any external clearances necessary for the proper function of the device during operation and installation, regardless of whether it is a component of an integral device. Arrester is sometimes also called an overvoltage protector or overvoltage limiter. There are many types of arresters, including metal oxide arresters, line-type metal oxide arresters, gapless line-type metal oxide arresters, fully insulated composite-jacketed metal oxide arresters, and removable arresters.

[0003] In the prior art, the structure of the lightning arrester is generally simple and lacks insulation performance, resulting in poor insulation performance of the lightning arrester during use, which easily causes safety problems and is inconvenient for the subsequent use of the lightning arrester. Utility Model Content

[0004] The purpose of the utility model is to provide a reinforced insulation type lightning arrester to solve the problem of poor insulation performance of the existing one.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The utility model is a reinforced insulation type lightning arrester, including a resistor, a first grading ring and a second grading ring, the first grading ring is arranged on the upper surface of the resistor, the second grading ring is arranged on the lower surface of the resistor, and the lower surface of the second grading ring is equipped with two mounting plates, the two mounting plates are arranged opposite to each other, the two mounting plates are "L"-shaped plate structures, a slide plate is installed between one surface of the two mounting plates, the slide plate is a concave plate structure, an extension plate is welded to the lower surface of the slide plate, one end of the extension plate extends to the bottom of the two mounting plates, and one end of the extension plate is equipped with a ceramic insulating base, which improves the lightning protection performance of the lightning arrester when in use, avoids safety problems during use, improves the safety of the lightning arrester when in use, and facilitates the later use of the lightning arrester.

[0007] Furthermore, the two opposite surfaces of the slide are respectively slidably matched with the two mounting plates, the lower surface of the ceramic insulating base is embedded with a bottom connecting end, and the upper surface of the first equalizing ring is embedded with a top connecting end.

[0008] Furthermore, an insulating sleeve is embedded on the side surface of the resistor, and a plurality of umbrella discs are embedded on the side surface of the insulating sleeve.

[0009] Furthermore, one surface of the two mounting plates is equipped with positioning rods, and two opposite surfaces of the slide plate are provided with positioning holes, and the positions of the two positioning rods are adapted to the positions of the two positioning holes.

[0010] Furthermore, one end of the two positioning rods passes through a surface of the two mounting plates respectively, and the peripheral side surfaces of the two positioning rods are slidably fitted with a surface of the two mounting plates respectively.

[0011] Furthermore, one end of the two positioning rods is respectively engaged with the two positioning holes, and the other ends of the two positioning rods are welded with pull plates, which facilitates the later installation and disassembly of the ceramic insulating base, facilitates the later maintenance and replacement of the ceramic insulating base, and improves the convenience of using the device.

[0012] Furthermore, connecting springs are provided between one surface of the two pulling plates and one surface of the two mounting plates respectively, and the two connecting springs are respectively wound around the side surfaces of the two positioning rods to ensure the stability of the ceramic insulating base during use.

[0013] Furthermore, a connecting plate is welded on one surface of the second equalizing ring, a surface of the connecting plate is penetrated by a plurality of mounting holes, and the connecting plate is connected to an external device through the mounting holes.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model improves the lightning protection performance of the lightning arrester during use through the ceramic insulating base and insulating sleeve structure, avoids safety problems during use, improves the safety of the lightning arrester during use, and facilitates the later use of the lightning arrester.

[0016] 2. The utility model facilitates the installation and disassembly of the ceramic insulating base in the later stage through the installation plate, slide plate and extension plate structure, facilitates the maintenance and replacement of the ceramic insulating base in the later stage, improves the convenience of using the device, and at the same time ensures the stability of the ceramic insulating base during use through the positioning rod and connecting spring structure.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1This is a structural diagram of a reinforced insulation type lightning arrester of the utility model;

[0020] Figure 2 This is a front structural diagram of a reinforced insulation type lightning arrester of the utility model;

[0021] Figure 3 This is a right side structural diagram of a reinforced insulation type lightning arrester of the utility model;

[0022] Figure 4 The figure is a schematic top view of the structure of a reinforced insulation type lightning arrester of the present utility model.

[0023] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0024] 1. Resistor; 2. First equalizing ring; 3. Second equalizing ring; 4. Top connection end; 5. Mounting plate; 6. Slide plate; 7. Extension plate; 8. Ceramic insulating base; 9. Positioning rod; 10. Connecting spring; 11. Pull plate; 12. Bottom connection end; 13. Insulating sleeve; 14. Umbrella plate; 15. Connecting plate; 16. Mounting hole. DETAILED DESCRIPTION

[0025] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicating directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements 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.

[0027] See also Figures 1-4As shown, the utility model is a reinforced insulation type lightning arrester, including a resistor 1, a first equalizing ring 2 and a second equalizing ring 3. The first equalizing ring 2 is arranged on the upper surface of the resistor 1, and the second equalizing ring 3 is arranged on the lower surface of the resistor 1. Two mounting plates 5 are installed on the lower surface of the second equalizing ring 3. The two mounting plates 5 are arranged opposite to each other. The two mounting plates 5 are "L"-shaped plate structures. A slide plate 6 is installed between one surface of the two mounting plates 5. The slide plate 6 is a concave plate structure. An extension plate 7 is welded on the lower surface of the slide plate 6. One end of the extension plate 7 extends to the bottom of the two mounting plates 5. A ceramic insulating base 8 is installed on one end of the extension plate 7 to improve the lightning protection performance of the lightning arrester during use, avoid safety problems during use, improve the safety of the lightning arrester during use, and facilitate the later use of the lightning arrester.

[0028] The two opposite surfaces of the slide plate 6 are respectively slidably fitted between the two mounting plates 5. The bottom connection end 12 is mounted on the lower surface of the ceramic insulating base 8, the top connection end 4 is mounted on the upper surface of the first equalizing ring 2, the insulating sleeve 13 is mounted on the side surface of the resistor 1, and a number of umbrella discs 14 are mounted on the side surface of the insulating sleeve 13.

[0029] A positioning rod 9 is installed on one surface of each of the two mounting plates 5, and positioning holes are provided on the two opposite surfaces of the slide plate 6. The positions of the two positioning rods 9 are adapted to the positions of the two positioning holes. One end of the two positioning rods 9 passes through the two surfaces of the mounting plates 5 respectively, and the side surfaces of the two positioning rods 9 slide with the two surfaces of the mounting plates 5 respectively.

[0030] One end of the two positioning rods 9 is respectively engaged with the two positioning holes, and the other ends of the two positioning rods 9 are welded with pull plates 11, which facilitates the later installation and disassembly of the ceramic insulating base 8, facilitates the later maintenance and replacement of the ceramic insulating base 8, and improves the convenience of using the device.

[0031] Connecting springs 10 are provided between the surfaces of the two pull plates 11 and the surfaces of the two mounting plates 5 respectively. The two connecting springs 10 are respectively wrapped around the sides of the two positioning rods 9 to ensure the stability of the ceramic insulating base 8 during use. A connecting plate 15 is welded to the surface of the second equalizing ring 3. Several mounting holes 16 are passed through the surface of the connecting plate 15. The connecting plate 15 is connected to the external device through the mounting holes 16.

[0032] See also Figures 1-4As shown, the utility model is a reinforced insulation type lightning arrester, and its method of use is as follows: through the ceramic insulating base 8 and the insulating sleeve 13 structure, the lightning protection performance of the lightning arrester during use is improved, safety problems caused during use are avoided, the safety of the lightning arrester during use is improved, and the later use of the lightning arrester is convenient; through the mounting plate 5, the slide plate 6 and the extension plate 7 structure, the later installation and disassembly of the ceramic insulating base 8 is convenient, the later maintenance and replacement of the ceramic insulating base 8 is convenient, and the convenience of the device during use is improved. At the same time, through the positioning rod 9 and the connecting spring 10 structure, the stability of the ceramic insulating base 8 during use is guaranteed.

[0033] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0034] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A reinforced insulation type lightning arrester, comprising a resistor (1), a first grading ring (2) and a second grading ring (3), characterized in that: The first equalizing ring (2) is arranged on the upper surface of the resistor (1), and the second equalizing ring (3) is arranged on the lower surface of the resistor (1). Two mounting plates (5) are installed on the lower surface of the second equalizing ring (3). The two mounting plates (5) are arranged opposite to each other. The two mounting plates (5) are "L"-shaped plate structures. A slide plate (6) is installed between one surface of the two mounting plates (5). The slide plate (6) is a concave plate structure. An extension plate (7) is welded to the lower surface of the slide plate (6). One end of the extension plate (7) extends to the bottom of the two mounting plates (5). One end of the extension plate (7) is installed with a ceramic insulating base (8).

2. A reinforced insulation type lightning arrester according to claim 1, characterized in that: The two opposite surfaces of the slide plate (6) are respectively slidably matched with the two mounting plates (5); the lower surface of the ceramic insulating base (8) is embedded with a bottom connecting end (12); and the upper surface of the first equalizing ring (2) is embedded with a top connecting end (4).

3. A reinforced insulation type lightning arrester according to claim 1, characterized in that: An insulating sleeve (13) is embedded on the side surface of the resistor (1), and a plurality of umbrella discs (14) are embedded on the side surface of the insulating sleeve (13).

4. A reinforced insulation type lightning arrester according to claim 1, characterized in that: Positioning rods (9) are embedded on one surface of the two mounting plates (5), and positioning holes are provided on two opposite surfaces of the slide plate (6). The positions of the two positioning rods (9) are adapted to the positions of the two positioning holes.

5. A reinforced insulation type lightning arrester according to claim 4, characterized in that: One end of the two positioning rods (9) respectively penetrates a surface of the two mounting plates (5), and the side surfaces of the two positioning rods (9) respectively slide in cooperation with a surface of the two mounting plates (5).

6. A reinforced insulation type lightning arrester according to claim 5, characterized in that: One end of the two positioning rods (9) is respectively engaged with the two positioning holes, and the other end of the two positioning rods (9) is welded with a pull plate (11).

7. A reinforced insulation type lightning arrester according to claim 6, characterized in that: Connecting springs (10) are provided between one surface of the two pulling plates (11) and one surface of the two mounting plates (5), and the two connecting springs (10) are respectively wound around the side surfaces of the two positioning rods (9).

8. The reinforced insulation type lightning arrester according to claim 1, characterized in that: A connecting plate (15) is welded to one surface of the second equalizing ring (3), and a plurality of mounting holes (16) are passed through one surface of the connecting plate (15). The connecting plate (15) is connected to an external device through the mounting holes (16).

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