CN219778602U - Umbrella-shaped insulator with adjustable creepage distance - Google Patents
Umbrella-shaped insulator with adjustable creepage distance Download PDFInfo
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- CN219778602U CN219778602U CN202320948131.7U CN202320948131U CN219778602U CN 219778602 U CN219778602 U CN 219778602U CN 202320948131 U CN202320948131 U CN 202320948131U CN 219778602 U CN219778602 U CN 219778602U
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- umbrella
- creepage distance
- insulator
- rings
- skirts
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- 239000012212 insulator Substances 0.000 title claims abstract description 36
- 230000000149 penetrating effect Effects 0.000 claims abstract description 19
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Insulators (AREA)
Abstract
The utility model discloses an umbrella-shaped insulator with adjustable creepage distance in the technical field of insulators, which comprises two insulating cores, wherein a plurality of umbrella skirts are arranged between the two insulating cores and are in conical structure, protruding ends of the umbrella skirts are arranged towards the top, corrugated rings are fixed at the bottoms of the umbrella skirts, adjusting grooves are formed in the bottoms of the corrugated rings, telescopic rings are arranged at the bottoms of the corrugated rings, the tops of the telescopic rings are movably connected with the adjusting grooves matched with the positions in a penetrating mode, limit bolts are connected with the inner walls of the corrugated rings in a penetrating mode, and one ends of the limiting bolts penetrating through the corrugated rings are contacted with the inner walls of the telescopic rings matched with the positions in a penetrating mode. The beneficial effects of the utility model are as follows: the creepage distance is adjusted by adjusting the extension length of the telescopic ring, and meanwhile, the creepage distance of the insulator can be further adjusted by matching with a plurality of umbrella skirts which can be freely detached and installed.
Description
Technical Field
The utility model relates to the technical field of insulators, in particular to an umbrella-shaped insulator with an adjustable creepage distance.
Background
The insulator is a special insulation control and can play an important role in overhead transmission lines. The insulator is mainly used for telegraph poles in early years, and is slowly developed in one end of a high-voltage wire connecting tower, and a plurality of disc-shaped insulators are hung on the insulator, so that the creepage distance is increased. In the prior art, the creepage distance of the insulator is fixed during the production of the insulator, and cannot be adjusted in the subsequent installation process, so that the use effect of the insulator is limited, and if the creepage distance of the insulator is required to be adjusted after the high-voltage line is installed, the insulator needs to be replaced and reinstalled, so that the complexity of the installation of the insulator is increased.
Disclosure of Invention
The utility model aims to provide an umbrella-shaped insulator with adjustable creepage distance, when the device is used, the creepage distance can be adjusted by adjusting the extension length of a telescopic ring, and meanwhile, the creepage distance of the insulator can be further adjusted by matching with a plurality of freely detachable and installable umbrella skirts, so that the problem that the creepage distance of the insulator is fixed in the production of the insulator and cannot be adjusted in the subsequent installation process is solved, the using effect of the insulator is limited, and if the creepage distance of the insulator is required to be adjusted after the high-voltage line is installed, the insulator needs to be replaced and reinstalled, thereby increasing the complexity problem of the installation of the insulator.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the umbrella-shaped insulator with the adjustable creepage distance comprises two insulating cores, wherein a plurality of umbrella skirts are arranged in the middle of each insulating core, each umbrella skirt is in a conical structure, each umbrella skirt is provided with a plurality of protruding ends towards the top, each umbrella skirt is fixedly provided with a corrugated ring at the bottom, each corrugated ring is provided with an adjusting groove at the bottom, each corrugated ring is provided with a telescopic ring at the bottom, each telescopic ring is connected with a position-matched adjusting groove in a penetrating mode in the top of each telescopic ring in a penetrating mode, each telescopic ring is connected with a limiting bolt in a penetrating mode in an inner wall of each corrugated ring in a penetrating mode, and one end of each limiting bolt penetrating through each corrugated ring is connected with the inner wall of each telescopic ring in a penetrating mode in a matching mode.
As a further scheme of the utility model: the tops of the umbrella skirts are all fixed with top connecting columns, and the bottoms of the umbrella skirts are all fixed with bottom connecting columns.
As still further aspects of the utility model: the bottoms of the bottom connecting columns are provided with connecting grooves, and the inner diameter sizes of the connecting grooves are matched with the outer diameter sizes of the top connecting columns.
As still further aspects of the utility model: the connecting grooves are inserted and connected with the top connecting columns close to each other, the outer walls of the bottom connecting columns are connected with fixing bolts in a penetrating threaded mode, and the fixing bolts penetrate through one ends of the bottom connecting columns to be contacted with the outer walls of the top connecting columns in a position matched mode.
As still further aspects of the utility model: and connecting ends are fixed at two ends of the two insulating cores, which are far away from each other.
As still further aspects of the utility model: and one ends of the two insulating cores, which are close to the umbrella skirts respectively, are fixedly connected with the umbrella skirts with matched positions.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the creepage distance is adjusted by adjusting the extension length of the telescopic ring, and meanwhile, the creepage distance of the insulator can be further adjusted by matching with a plurality of freely detachable and mountable umbrella skirts.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is an enlarged schematic view of the top structure of the umbrella skirt according to the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
FIG. 4 is an enlarged schematic view of the bottom structure of the umbrella skirt according to the present utility model;
fig. 5 is an enlarged schematic view of the structure at B in fig. 4 according to the present utility model.
In the figure: 1. an insulating core; 2. umbrella skirt; 201. a top connecting column; 202. the bottom end is connected with a column; 203. a fixing bolt; 204. a connecting groove; 210. a corrugated ring; 211. a telescopic ring; 212. a limit bolt; 3. and connecting the ends.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The creepage distance is the creepage distance between two conductive parts measured along the insulating surface, and under different use conditions, the insulating material around the conductor is electrically polarized, so that the insulating material presents a charging phenomenon, and the radius of the charging area is the creepage distance. Creepage distance: the shortest distance between two adjacent conductors or between one conductor and the adjacent motor housing surface measured along the insulating surface. Determination of the electrical clearance: based on the measured operating voltage and insulation level, the distance can be determined but typically: primary side ac part: the L-N is more than or equal to 2.5mm before the fuse, the L.NPE (earth) is more than or equal to 2.5mm, and the requirements can not be met after the fuse device, but a certain distance is kept as far as possible so as to avoid the occurrence of short circuit to damage the power supply.
The primary side alternating current-direct current part is more than or equal to 2.0mm;
the primary side DC ground is more than or equal to 2.5mm (primary side floating ground is more than or equal to ground);
the primary side part is more than or equal to 4.0mm to the secondary side part, and is connected across the components between the secondary side and the secondary side;
the electric gap of the secondary side part is more than or equal to 0.5 mm;
the secondary side ground is more than or equal to 1.0mm to the ground;
before deciding whether the requirements are met, the internal part should be applied with 10N force and the housing applied with 30N force to reduce its distance so that the spatial distance is still met in the worst case.
Referring to fig. 1 to 5, in the embodiment of the utility model, an umbrella-shaped insulator with an adjustable creepage distance comprises two insulating cores 1, a plurality of umbrella skirts 2 are arranged between the two insulating cores 1, the umbrella skirts 2 are arranged in a conical structure, protruding ends of the umbrella skirts 2 are arranged towards the top, corrugated rings 210 are fixed at the bottoms of the umbrella skirts 2, adjusting grooves are formed at the bottoms of the corrugated rings 210, telescopic rings 211 are arranged at the bottoms of the corrugated rings 210, the tops of the telescopic rings 211 are movably connected with the adjusting grooves matched with the positions in a penetrating mode, limiting bolts 212 are connected with the inner walls of the corrugated rings 210 in a penetrating mode, and one ends of the limiting bolts 212 penetrating through the corrugated rings 210 are contacted with the inner walls of the telescopic rings 211 matched with the positions in a penetrating mode.
Specifically, the creepage distance of the insulator can be adjusted by adjusting the extending distance between the telescopic ring 211 and the adjusting groove, so that the umbrella skirt 2 which can be freely detached and installed is matched to complete the adjustment of the creepage distance of the insulator, and the outer diameter sizes of the telescopic rings 211 are matched with the inner diameter sizes of the adjusting grooves matched with the positions.
Top connecting posts 201 are fixed on the tops of the umbrella skirts 2, and bottom connecting posts 202 are fixed on the bottoms of the umbrella skirts 2.
Specifically, the movable umbrella skirt 2 can be detached and connected through the top end connecting column 201 and the bottom end connecting column 202.
The bottoms of the bottom connecting columns 202 are provided with connecting grooves 204, and the inner diameter sizes of the connecting grooves 204 are matched with the outer diameter sizes of the top connecting columns 201.
Specifically, the top connecting post 201 can be inserted into and connected with the connecting groove 204 by the size design of the connecting groove 204 and the top connecting post 201.
The plurality of connecting grooves 204 are respectively inserted and connected with the top connecting column 201 which is close to the top connecting column, the outer walls of the plurality of bottom connecting columns 202 are respectively connected with the fixing bolts 203 in a penetrating threaded manner, and one ends of the plurality of fixing bolts 203 penetrating through the bottom connecting columns 202 are respectively contacted with the outer walls of the top connecting columns 201 which are matched in position.
Specifically, the bottom connecting column 202 and the top connecting column 201 are connected and limited through the plurality of fixing bolts 203, so that the disassembly is facilitated.
Two ends that two insulating cores 1 are kept away from each other are all fixed with connection end 3, can be with this device and power transmission line through two connection ends 3 and be connected.
One end of each insulating core 1, which is close to the umbrella skirt 2, is fixedly connected with the umbrella skirt 2 with the matched position.
In this embodiment, the device is entirely made of an insulating material, or the outer wall is coated with an insulating coating.
The working principle of the utility model is as follows: when the device is used, only proper quantity of umbrella skirts 2 are needed to be selected, then a plurality of top connecting columns 201 and connecting grooves 204 are inserted and connected, and the umbrella skirts are connected and limited through fixing bolts 203, so that the umbrella skirts 2 are connected in series through the top connecting columns 201 and the bottom connecting columns 202, the device is connected with a power transmission line through a connecting end 3, when the creepage distance needs to be adjusted, the distance of a telescopic ring 211 is adjusted only by loosening a limiting bolt 212, and then the telescopic ring 211 is clamped and limited by screwing the limiting bolt 212 again, so that the creepage distance can be adjusted.
When the umbrella skirt 2 needs to be replaced, detached and additionally installed, the umbrella skirt 2 can be detached, replaced or additionally installed by loosening the fixing bolts 203 and separating the inserted and connected top connecting column 201 from the connecting groove 204, and the creepage distance can be adjusted.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. Creepage distance adjustable umbrella-shaped insulator, including two insulating cores (1), its characterized in that: two set up a plurality of umbrella skirt (2) in the middle of insulating core (1), a plurality of umbrella skirt (2) all are the toper structure setting, a plurality of the protruding end of umbrella skirt (2) all sets up towards the top, a plurality of the bottom of umbrella skirt (2) all is fixed with ripple ring (210), a plurality of the adjustment tank has all been seted up to the bottom of ripple ring (210), a plurality of the bottom of ripple ring (210) all is provided with expansion ring (211), a plurality of the top of expansion ring (211) all runs through swing joint with position assorted adjustment tank, a plurality of the inner wall of ripple ring (210) all runs through threaded connection has stop bolt (212), a plurality of stop bolt (212) all contact with position assorted inner wall of expansion ring (211) through the one end of ripple ring (210).
2. The creepage distance adjustable umbrella insulator of claim 1, wherein: the tops of the umbrella skirts (2) are respectively fixed with a top end connecting column (201), and the bottoms of the umbrella skirts (2) are respectively fixed with a bottom end connecting column (202).
3. The creepage distance adjustable umbrella insulator of claim 2, wherein: the bottoms of the bottom connecting columns (202) are provided with connecting grooves (204), and the inner diameter sizes of the connecting grooves (204) are matched with the outer diameter sizes of the top connecting columns (201).
4. The creepage distance adjustable umbrella insulator of claim 3, wherein: the connecting grooves (204) are respectively inserted and connected with the top connecting columns (201) which are close to each other, the outer walls of the bottom connecting columns (202) are respectively connected with fixing bolts (203) in a penetrating threaded mode, and one ends of the fixing bolts (203) penetrating through the bottom connecting columns (202) are respectively contacted with the outer walls of the top connecting columns (201) which are matched with each other in position.
5. The creepage distance adjustable umbrella insulator of claim 1, wherein: the two ends of the two insulating cores (1) which are far away from each other are fixed with connecting ends (3).
6. The creepage distance adjustable umbrella insulator of claim 1, wherein: one ends of the two insulating cores (1) close to the umbrella skirts (2) are fixedly connected with the umbrella skirts (2) with matched positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320948131.7U CN219778602U (en) | 2023-04-25 | 2023-04-25 | Umbrella-shaped insulator with adjustable creepage distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320948131.7U CN219778602U (en) | 2023-04-25 | 2023-04-25 | Umbrella-shaped insulator with adjustable creepage distance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219778602U true CN219778602U (en) | 2023-09-29 |
Family
ID=88105270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320948131.7U Active CN219778602U (en) | 2023-04-25 | 2023-04-25 | Umbrella-shaped insulator with adjustable creepage distance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219778602U (en) |
-
2023
- 2023-04-25 CN CN202320948131.7U patent/CN219778602U/en active Active
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