All-insulation high-voltage drop-out fuse

Abstract

The utility model relates to the field of fuses, in particular to an all-insulation high-voltage drop-out fuse. Comprising a fuse body, an epoxy EP coating is arranged on the outer wall of the fuse body, the epoxy EP coating is a high-performance insulating coating and has various characteristics of high heat resistance, obdurability, corrosion resistance and electrical insulation performance, two sets of insulating mounting plates are symmetrically arranged at the two ends of the fuse body, and the insulating mounting plates are arranged on the outer wall of the fuse body. The two sets of insulation mounting plates are arranged in a rectangular structure, the edges of the corresponding side walls of the two sets of insulation mounting plates are mounted on the fuse body, and one end, away from the fuse body, of each set of insulation mounting plate is provided with a set of first arc-shaped clamping plates. And one side wall, far away from the insulating mounting plate, of each group of first arc-shaped clamping plates is provided with a group of first non-slip mats. According to the embodiment, the all-insulation effect is achieved, the danger is reduced, and the safety is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fuses, and particularly relates to a fully insulated high-voltage drop-out fuse. Background Art

[0002] A fuse is an electronic component, also known as a fuse, which is artificially set as the weakest heating element in the power grid. A high-voltage drop-out fuse consists of three parts: an insulating support, a moving and static contact, and a fuse tube. The static contact is installed at both ends of the insulating support, and the fuse tube consists of an inner arc-extinguishing tube and an outer phenolic paper tube or epoxy glass fiber cloth tube.

[0003] After searching, in the prior art, China Patent Announcement No.: CN216288292U, Authorization Announcement Date: 2022-04-12, announced a high-voltage drop-out fuse, including a high-voltage drop-out fuse body, the outer surface of the high-voltage drop-out fuse body is clamped with a fuse tube, the outer surface of the fuse tube is fixedly connected with a push ring mechanism, the push ring mechanism includes a connecting rod, the top of the connecting rod is fixedly connected with an insulating sheet, the inside of the insulating sheet is fixedly connected with a locking mechanism, the outer surface of the locking mechanism is sleeved with an elastic member, the top of the locking mechanism is movably connected with a support rod, and the outer surface of the locking mechanism is sleeved with a locking ring mechanism. The above embodiment avoids the device from being separated from the insulating rod when moving, thereby achieving the effect of improving the safety of replacing equipment.

[0004] However, the device still has the following defects: the above embodiment does not achieve a full insulation effect. If the equipment cannot be fully insulated, the safety will be reduced, thereby increasing the danger. Utility Model Content

[0005] In view of the above problems, the utility model provides a fully insulated high-voltage drop-out fuse, including a fuse body, an epoxy EP coating is provided on the outer wall of the fuse body, and the epoxy EP coating is a high-performance insulating coating with multiple characteristics of high heat resistance, toughness, corrosion resistance and electrical insulation performance;

[0006] Two groups of insulating mounting plates are symmetrically arranged at both ends of the fuse body, and both groups of insulating mounting plates are arranged in a rectangular structure. The edges of the corresponding side walls of the two groups of insulating mounting plates are installed on the fuse body, and a group of first arc-shaped clamping plates are installed on the end of each group of insulating mounting plates away from the fuse body, and a group of first anti-slip pads are installed on the side wall of each group of the first arc-shaped clamping plates away from the insulating mounting plates.

[0007] Furthermore, two groups of first fixing blocks are symmetrically arranged at both ends of each group of the first arc-shaped clamping plates, each group of the first fixing blocks is arranged in a rectangular structure, and a group of first threaded holes is opened at the center of one side wall of each group of the first fixing blocks.

[0008] Furthermore, a group of second arc-shaped clamping plates is provided at one end of each group of the first arc-shaped clamping plates away from the insulating mounting plate, and a side wall of each group of the second arc-shaped clamping plates is slidably fitted on a side wall of the first arc-shaped clamping plates away from the insulating mounting plate.

[0009] Furthermore, a group of second anti-slip pads are installed on a side wall of each group of the second arc-shaped clamping plates close to the first arc-shaped clamping plates, and two groups of second fixing blocks are symmetrically installed at both ends of each group of the second arc-shaped clamping plates.

[0010] Furthermore, each group of the second fixing blocks is arranged in a rectangular structure, and a side wall of each group of the second fixing blocks is slidably fitted with a side wall of the first fixing block.

[0011] Furthermore, a group of second threaded holes is opened at the center of one side wall of each group of the second fixing blocks, and a group of screws is arranged at one end of each group of the second fixing blocks away from the first fixing block.

[0012] Furthermore, each group of the screws sequentially penetrates the second threaded hole and the first threaded hole and is threadedly connected with a group of nuts, and a side wall of each group of the nuts is attached to a side wall of the first fixing block.

[0013] The beneficial effects of the utility model are:

[0014] 1. An epoxy EP coating is provided on the outer wall of the fuse body. The epoxy EP coating is a high-performance insulating coating with multiple characteristics such as high heat resistance, toughness, corrosion resistance and electrical insulation performance. It has a full insulation effect, reduces danger and improves safety.

[0015] 2. Place the fixing piece between the first arc-shaped clamping plate and the second arc-shaped clamping plate, fit the first anti-slip pad and the second anti-slip pad on the outer wall of the fixing piece, turn the screw to pass through the second threaded hole and the first threaded hole in sequence and then threadably connect with the nut, the nut fits on the side wall of the first fixing block, and the fixing is completed, which facilitates installation and improves the stability effect.

[0016] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic diagram of the structure of a fuse according to an embodiment of the utility model is shown;

[0019] Figure 2 A schematic cross-sectional view of a fuse according to an embodiment of the utility model is shown;

[0020] Figure 3 A schematic diagram of the structure of a first anti-slip cushion according to an embodiment of the utility model is shown;

[0021] Figure 4 An enlarged view of part A according to an embodiment of the utility model is shown.

[0022] In the figure: 1. fuse body; 2. epoxy EP coating; 3. insulating mounting plate; 4. first arc-shaped clamping plate; 5. first anti-slip pad; 6. first fixing block; 7. first threaded hole; 8. second arc-shaped clamping plate; 9. second anti-slip pad; 10. second fixing block; 11. second threaded hole; 12. screw; 13. nut. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model embodiment provides a fully insulated high-voltage drop-out fuse, including a fuse body 1, exemplarily, as Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, an epoxy EP coating 2 is provided on the outer wall of the fuse body 1. The epoxy EP coating 2 is a high-performance insulating coating with multiple characteristics such as high heat resistance, toughness, corrosion resistance and electrical insulation performance. Two groups of insulating mounting plates 3 are symmetrically arranged at both ends of the fuse body 1. The two groups of insulating mounting plates 3 are both arranged in a rectangular structure. The edges of the corresponding side walls of the two groups of insulating mounting plates 3 are installed on the fuse body 1. A group of first arc-shaped clamping plates 4 are installed at one end of each group of insulating mounting plates 3 away from the fuse body 1. A group of first anti-slip pads 5 are installed on a side wall of each group of the first arc-shaped clamping plates 4 away from the insulating mounting plates 3. Two groups of first fixing blocks 6 are symmetrically arranged at both ends of each group of the first arc-shaped clamping plates 4. Each group of the first fixing blocks 6 is arranged in a rectangular structure. A group of first threaded holes 7 are opened at the center of one side wall of each group of the first fixing blocks 6. Each group of the first arc-shaped clamping plates 4 is away from the insulating A group of second arc-shaped clamping plates 8 are provided at one end of the mounting plate 3, and one side wall of each group of the second arc-shaped clamping plates 8 is slidably fitted on a side wall of the first arc-shaped clamping plate 4 away from the insulating mounting plate 3, and a group of second anti-slip pads 9 are installed on a side wall of each group of the second arc-shaped clamping plates 8 close to the first arc-shaped clamping plate 4. Two groups of second fixing blocks 10 are symmetrically installed at both ends of each group of the second arc-shaped clamping plates 8, and each group of the second fixing blocks 10 are arranged in a rectangular structure. One side wall of each group of the second fixing blocks 10 is slidably fitted with a side wall of the first fixing block 6, and a group of second threaded holes 11 are opened at the center of one side wall of each group of the second fixing blocks 10. A group of screws 12 are provided at one end of each group of the second fixing blocks 10 away from the first fixing block 6, and each group of the screws 12 are sequentially penetrated through the second threaded holes 11 and the first threaded holes 7 and are threadedly connected with a group of nuts 13, and one side wall of each group of the nuts 13 is fitted on a side wall of the first fixing block 6.

[0025] Working principle: insulation is achieved through the epoxy EP coating 2 arranged on the outer wall of the fuse body 1, which has an insulating effect and reduces the danger. The fuse body 1 is fixed on the fixing part to be fixed, and the fixing part is placed between the first arc-shaped clamping plate 4 and the second arc-shaped clamping plate 8. The first anti-slip pad 5 and the second anti-slip pad 9 are attached to the outer wall of the fixing part. The screw 12 is turned to pass through the second threaded hole 11 and the first threaded hole 7 in sequence and then threadedly connected with the nut 13. The nut 13 is attached to the side wall of the first fixing block 6. The fixing is completed. The nut 13 is turned to pull it out of the screw 12. The screw 12 is turned to pull it out of the first threaded hole 7 and the second threaded hole 11. The first arc-shaped clamping plate 4 and the second arc-shaped clamping plate 8 are separated, and the disassembly is completed.

[0026] The outer wall of the fuse body 1 is provided with an epoxy EP coating 2, which is a high-performance insulating coating having multiple properties such as high heat resistance, toughness, corrosion resistance and electrical insulation performance, achieving a full insulation effect, reducing danger and improving safety.

[0027] The fixing piece is placed between the first arc-shaped clamping plate 4 and the second arc-shaped clamping plate 8, the first anti-slip pad 5 and the second anti-slip pad 9 are fitted on the outer wall of the fixing piece, the screw 12 is turned to pass through the second threaded hole 11 and the first threaded hole 7 in sequence and then threadedly connected with the nut 13, the nut 13 is fitted on the side wall of the first fixing block 6, and the fixing is completed, which facilitates installation and improves the stability effect.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A fully insulated high-voltage drop-out fuse, comprising a fuse body (1), characterized in that: An epoxy EP coating (2) is provided on the outer wall of the fuse body (1), and the epoxy EP coating (2) is a high-performance insulating coating having multiple characteristics such as high heat resistance, toughness, corrosion resistance and electrical insulation performance; Two groups of insulating mounting plates (3) are symmetrically arranged at both ends of the fuse body (1); the two groups of insulating mounting plates (3) are both arranged in a rectangular structure; the edges of the corresponding side walls of the two groups of insulating mounting plates (3) are both mounted on the fuse body (1); a group of first arc-shaped clamping plates (4) are mounted on one end of each group of insulating mounting plates (3) away from the fuse body (1); and a group of first anti-slip pads (5) are mounted on one side wall of each group of the first arc-shaped clamping plates (4) away from the insulating mounting plates (3).

2. The fully insulated high-voltage drop-out fuse according to claim 1, characterized in that: Two groups of first fixing blocks (6) are symmetrically arranged at both ends of each group of the first arc-shaped clamping plates (4); each group of the first fixing blocks (6) is arranged in a rectangular structure; and a group of first threaded holes (7) is opened at the center of one side wall of each group of the first fixing blocks (6).

3. The fully insulated high-voltage drop-out fuse according to claim 2, characterized in that: A group of second arc-shaped clamping plates (8) is provided at one end of each group of the first arc-shaped clamping plates (4) away from the insulating mounting plate (3), and a side wall of each group of the second arc-shaped clamping plates (8) is slidably fitted on a side wall of the first arc-shaped clamping plates (4) away from the insulating mounting plate (3).

4. The fully insulated high-voltage drop-out fuse according to claim 3 is characterized in that: A set of second anti-slip pads (9) are installed on a side wall of each set of the second arc-shaped clamping plates (8) close to the first arc-shaped clamping plates (4), and two sets of second fixing blocks (10) are symmetrically installed at both ends of each set of the second arc-shaped clamping plates (8).

5. The fully insulated high-voltage drop-out fuse according to claim 4, characterized in that: Each group of the second fixing blocks (10) is arranged in a rectangular structure, and a side wall of each group of the second fixing blocks (10) is slidably fitted with a side wall of the first fixing block (6).

6. The fully insulated high-voltage drop-out fuse according to claim 5, characterized in that: A group of second threaded holes (11) is provided at the center of one side wall of each group of the second fixing blocks (10), and a group of screws (12) is provided at one end of each group of the second fixing blocks (10) away from the first fixing block (6).

7. The fully insulated high-voltage drop-out fuse according to claim 6, characterized in that: Each group of screws (12) passes through the second threaded hole (11) and the first threaded hole (7) in sequence and is then threadedly connected to a group of nuts (13). A side wall of each group of nuts (13) is attached to a side wall of the first fixing block (6).

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