CN215417704U

CN215417704U - Lightning protection line column type insulator

Info

Publication number: CN215417704U
Application number: CN202121456511.6U
Authority: CN
Inventors: 龙沙
Original assignee: Liling Jinxin Electric Porcelain Co ltd
Current assignee: Liling Jinxin Electric Porcelain Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-01-04
Anticipated expiration: 2031-06-29

Abstract

The utility model relates to the technical field of column insulator equipment, and discloses a lightning protection circuit column insulator, wherein the upper surface of a mounting plate is provided with a fixing groove, the interior of the fixing groove is movably connected with a first mandrel body, the upper part of the first mandrel body is movably connected with a second mandrel body, the upper surface of the first mandrel body is fixedly connected with a bolt, the lower surface of the second mandrel body is provided with a mounting groove, the interior of the mounting groove is provided with a limiting component, the lower surface of the first mandrel body is provided with a mounting component, the limiting component is arranged in the mounting groove, when the bolt reaches a specified position, under the action of a first metal elastic sheet, the limiting component is positioned in the limiting groove, namely, the position of the bolt can be fixed, through the arrangement of the mounting component at the bottom end of the first mandrel body, when the highest point of a second bump is over against the highest point of a first bump through the rotation of the first mandrel body, the position of the first mandrel body can be fixed.

Description

Lightning protection line column type insulator

Technical Field

The utility model relates to the technical field of column insulator equipment, in particular to a lightning protection line column insulator.

Background

The insulator is a device arranged between conductors with different potentials or between the conductor and a ground potential member, can resist the action of voltage and mechanical stress, is a special insulating control and can play an important role in an overhead transmission line, and the column insulator is one of the insulators.

However, the current insulator is mainly installed by bolts, the bolts are easy to rust and loosen due to the fact that the bolts are exposed outside for a long time, meanwhile, the column insulator is also spliced by the bolts, the bolts are easy to loosen due to the action of wind force in high altitude, and potential safety hazards exist. Accordingly, a lightning protection line post insulator is provided to solve the above problems of the related art by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lightning protection line column insulator to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a lightning protection circuit column type insulator, includes mounting panel, fixed slot, first lug, first mandrel body, second mandrel body, insulating full skirt, bolt, spacing groove and mounting groove, seted up the upper surface of mounting panel the fixed slot, the inner wall rigid coupling of fixed slot has first lug, the inside swing joint of fixed slot has first mandrel body, the top swing joint of first mandrel body has the second mandrel body, the surface of second mandrel body has cup jointed insulating full skirt, the upper surface rigid coupling of first mandrel body has the bolt, the left and right sides of bolt has all been seted up the spacing groove, the lower surface of second mandrel body has been seted up the mounting groove, the inside of mounting groove is provided with spacing subassembly, the lower surface of first mandrel body is provided with the installation component.

As a still further scheme of the utility model: the limiting assembly comprises a placing groove, a first metal elastic sheet, a fixing block and a limiting block, the first metal elastic sheet is fixedly connected to the left inner wall of the placing groove, the left end of the first metal elastic sheet is fixedly connected with the fixing block, and the limiting block is fixedly connected to the left end of the fixing block to prevent bolts from loosening.

As a still further scheme of the utility model: the mounting assembly comprises a sliding groove, a second metal elastic sheet, a mounting block and a second convex block, the second metal elastic sheet is fixedly connected to the right side of the sliding groove, the mounting block is fixedly connected to the right side of the second metal elastic sheet, and the second convex block is fixedly connected to the right side of the mounting block, so that the position of the first mandrel body can be fixed conveniently.

As a still further scheme of the utility model: the size of the placing groove is matched with the size of the fixed block and the size of the limiting block, so that the fixed block and the limiting block can move conveniently.

As a still further scheme of the utility model: the limiting blocks are triangular, so that the positions of the bolts can be conveniently fixed.

As a still further scheme of the utility model: the second bump is arc-shaped, so that the position of the first mandrel body can be fixed conveniently.

Compared with the prior art, the utility model has the beneficial effects that:

1. by arranging the limiting assembly in the mounting groove, when the bolt reaches a specified position, the limiting block can be positioned in the limiting groove under the action of the first metal elastic sheet, so that the position of the bolt can be fixed, and the bolt is prevented from loosening from the mounting groove after being used for a long time;

2. through setting up the installation component in the bottom of first mandrel body, when the first mandrel body of installation, can be through rotatory first mandrel body, when the peak that makes the second lug just is the peak of first lug, can fix the position of first mandrel body, because the effort of second metal shrapnel simultaneously, can make the position of first mandrel body more stable, avoid not hard up.

Drawings

FIG. 1 is a schematic structural diagram of a post insulator for lightning protection circuit;

FIG. 2 is a schematic view of an internal structure of a post insulator for lightning protection circuit;

FIG. 3 is an enlarged view of area A of FIG. 2;

fig. 4 is a schematic structural view of a mounting assembly in a post insulator for a lightning protection line.

In the figure: 1. mounting a plate; 2. fixing grooves; 3. a first bump; 4. a first mandrel body; 5. a second mandrel body; 6. an insulating shed; 7. a bolt; 8. a limiting groove; 9. mounting grooves; 10. a placement groove; 11. a first metal spring sheet; 12. a fixed block; 13. a limiting block; 14. a sliding groove; 15. a second metal dome; 16. mounting blocks; 17. a second bump; 18. a limiting component; 19. and (6) mounting the assembly.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present invention, a lightning protection circuit post insulator includes a mounting plate 1, a fixing groove 2, a first protrusion 3, a first mandrel body 4, a second mandrel body 5, an insulating shed 6, a bolt 7, a limiting groove 8 and a mounting groove 9, the fixing groove 2 is formed on an upper surface of the mounting plate 1, the first protrusion 3 is fixedly connected to an inner wall of the fixing groove 2, the first mandrel body 4 is movably connected to an inside of the fixing groove 2, the second mandrel body 5 is movably connected to an upper side of the first mandrel body 4, the insulating shed 6 is sleeved on a surface of the second mandrel body 5, the bolt 7 is fixedly connected to an upper surface of the first mandrel body 4, the limiting grooves 8 are formed on both left and right sides of the bolt 7, the mounting groove 9 is formed on a lower surface of the second mandrel body 5, the limiting assembly 18 is disposed inside the mounting groove 9, the limiting assembly 18 includes a placement groove 10, a first metal spring plate 11, a second metal plate 11, and a second metal plate, A fixed block 12 and a limit block 13, wherein a first metal elastic sheet 11 is fixedly connected to the left inner wall of the placement groove 10, the fixed block 12 is fixedly connected to the left end of the first metal elastic sheet 11, the limit block 13 is fixedly connected to the left end of the fixed block 12, the limit block 13 is triangular, the size of the placement groove 10 is matched with the size of the fixed block 12 and the size of the limit block 13, when in use, the first mandrel body 4 and the second mandrel body 5 are firstly spliced according to the required length, when in splicing, the upper surface of the bolt 7 is firstly aligned with the lower surface of the installation groove 9, then the first mandrel body 4 is rotated, the bolt 7 can be rotated into the installation groove 9, when the bolt 7 reaches a specified position, the fixed block 12 can be moved leftwards under the action of the first metal elastic sheet 11, the limit block 13 can be driven to move leftwards when the fixed block 12 moves leftwards, when the limit block 13 is positioned in the limit groove 8, the position of the bolt 7 can be fixed, avoid bolt 7 not hard up from mounting groove 9, because stopper 13's shape is triangle-shaped, so when first mandrel body 4 is dismantled in the later stage, easily rotatory first mandrel body 4 can extrude stopper 13 from spacing groove 8, can not influence taking out of first mandrel body 4.

In fig. 1, 2 and 4: the lower surface of the first mandrel body 4 is provided with a mounting assembly 19, the mounting assembly 19 comprises a sliding groove 14, a second metal elastic sheet 15, a mounting block 16 and a second bump 17, the right side of the sliding groove 14 is fixedly connected with the second metal elastic sheet 15, the right side of the second metal elastic sheet 15 is fixedly connected with the mounting block 16, the right side of the mounting block 16 is fixedly connected with the second bump 17, and the second bump 17 is arc-shaped, when the position of the first mandrel body 4 is fixed, the lower surface of the first mandrel body 4 is firstly placed in the fixing groove 2, then the first mandrel body 4 is rotated, when the highest point of the second bump 17 is just opposite to the highest point of the first bump 3, the position of the first mandrel body 4 can be fixed, meanwhile, due to the acting force of the second metal elastic sheet 15, the first mandrel body 4 can be outwards pressed, the position of the first mandrel body 4 can be more stable, looseness can be avoided, and the operation is simple.

The working principle of the utility model is as follows: when in use, the first mandrel body 4 and the second mandrel body 5 are spliced according to the required length, when in splicing, the upper surface of the bolt 7 is aligned with the lower surface of the mounting groove 9, then the first mandrel body 4 is rotated, the bolt 7 can be rotated into the mounting groove 9, when the bolt 7 reaches the designated position, the fixed block 12 can be moved leftwards under the action of the first metal elastic sheet 11, the limit block 13 can be driven to move leftwards when the fixed block 12 moves leftwards, when the limit block 13 is positioned in the limit groove 8, the position of the bolt 7 can be fixed, the bolt 7 is prevented from loosening from the mounting groove 9, because the shape of the limit block 13 is triangular, when the first mandrel body 4 is disassembled at the later stage, the first mandrel body 4 can be easily rotated, the limit block 13 can be extruded from the limit groove 8, the taking-out of the first mandrel body 4 can not be influenced, when the position of the first mandrel body 4 is fixed, at first, the lower surface of the first mandrel body 4 is placed in the fixing groove 2, then the first mandrel body 4 is rotated, when the highest point of the second bump 17 is just opposite to the highest point of the first bump 3, the position of the first mandrel body 4 can be fixed, meanwhile, due to the acting force of the second metal elastic sheet 15, the first mandrel body 4 can be outwards extruded, the position of the first mandrel body 4 can be more stable, looseness is avoided, and the operation is simple.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A lightning protection line column insulator comprises a mounting plate (1), a fixing groove (2), a first convex block (3), a first mandrel body (4), a second mandrel body (5), an insulating shed (6), a bolt (7), a limiting groove (8) and a mounting groove (9), and is characterized in that the fixing groove (2) is formed in the upper surface of the mounting plate (1), the first convex block (3) is fixedly connected to the inner wall of the fixing groove (2), the first mandrel body (4) is movably connected to the inside of the fixing groove (2), the second mandrel body (5) is movably connected to the upper portion of the first mandrel body (4), the insulating shed (6) is sleeved on the surface of the second mandrel body (5), the bolt (7) is fixedly connected to the upper surface of the first mandrel body (4), and the limiting groove (8) is formed in each of the left side and the right side of the bolt (7), the lower surface of the second mandrel body (5) is provided with the mounting groove (9), the inside of the mounting groove (9) is provided with a limiting component (18), and the lower surface of the first mandrel body (4) is provided with a mounting component (19).

2. The post insulator of claim 1, wherein the limiting component (18) comprises a placing groove (10), a first metal spring (11), a fixing block (12) and a limiting block (13), the first metal spring (11) is fixedly connected to the left inner wall of the placing groove (10), the fixing block (12) is fixedly connected to the left end of the first metal spring (11), and the limiting block (13) is fixedly connected to the left end of the fixing block (12).

3. The post insulator of claim 1, wherein the mounting assembly (19) comprises a sliding groove (14), a second metal spring (15), a mounting block (16) and a second bump (17), the second metal spring (15) is fixedly connected to the right side of the sliding groove (14), the mounting block (16) is fixedly connected to the right side of the second metal spring (15), and the second bump (17) is fixedly connected to the right side of the mounting block (16).

4. The post insulator of claim 2, wherein the size of the placement groove (10) is matched with the size of the fixing block (12) and the size of the limiting block (13).

5. The post insulator of claim 2, wherein the stopper (13) is triangular in shape.

6. A lightning protection line post insulator according to claim 3, characterised in that said second projection (17) is arc-shaped.