Insulator

A technology of insulators and flanges, applied in the direction of insulators, lead-in/through-type insulators, electrical components, etc., can solve the problems of poor sealing performance, inconvenience, easy leakage and installation, etc., to achieve good mechanical properties, firm combination, The effect of avoiding weld cracks

Active Publication Date: 2012-10-03
DATONG POWER SUPPLY COMPANY OF STATE GRID SHANXI ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to overcome the defects of poor sealing performance, easy leakage and inconvenient installation of the prior art wiring assembly, installation assembly and insulator body, so as to provide a good sealing performance, Insulators that do not leak and are easy to install

Method used

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Embodiment 1

[0035] See figure 1. The insulator in this embodiment includes an insulator body 1, the insulator body 1 is composed of a resin inner core 10 with a central axis hole 2 and a rubber layer 7 wrapped outside the resin inner core 10; The outer wall is provided with a plurality of rubber sheds 5, where the rubber layer 7 and the sheds 5 are integrally formed; the upper inner wall of the resin core 10 is provided with an inwardly protruding ring-shaped blocking boss 11. A metal terminal 3 is cast on the upper end of the resin core 10. Here, the metal terminal 3 is a cylinder, and the metal terminal 3 has a through hole 8 along its central axis. The metal The upper end of the terminal post 3 protrudes from the upper end surface of the resin core 10 and passes through a through hole of a metal cap 124, and is fixed with a wiring fixture 12, and the lower end surface of the wiring fixture 12 is connected to the metal cap 124. The upper end surface of the wire is pasted together. Her...

Embodiment 2

[0037] See figure 2 . The insulator in this embodiment includes an insulator body 1, the insulator body 1 is composed of a resin inner core 10 with a central axis hole 2 and a rubber layer 7 wrapped outside the resin inner core 10; A plurality of rubber sheds 5 are arranged on the outer wall, and the rubber layer 7 is integrally formed with the sheds 5; the metal terminal 3 is a cylinder here, and the metal terminal 3 is formed along its own The central axis has a through hole 8, the upper end of the metal terminal 3 protrudes from the upper end surface of the resin core 10, and is fixed with a wiring fixture 12. Here, the wiring fixture includes a metal wiring The columnar wiring support seat 121 on the column 12, the columnar wiring support seat 121 is provided with a wiring through hole 123 in the horizontal direction, and is respectively provided with a through hole with internal thread in the vertical and vertical directions, and a fastening screw 122 passes through the...

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PUM

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Abstract

The invention relates to an insulator and a manufacturing process thereof. The insulator of the invention comprises an insulator body; wherein the insulator body is composed of a resin inner core and a rubber layer wrapped outside the resin inner core; the outer wall of the rubber layer is provided with a plurality of rubber umbrella skirts, the upper end of the resin inner core is provided with a metal wiring terminal which is cast in block, the metal wiring terminal partially stretches out the upper end face of the resin inner core, and the upper end of the metal wiring terminal is providedwith a wiring fixed block; and the lower part of the resin inner core is provided with a metal mounting part which is cast in block. By adopting the insulator structure of the invention, the metal wiring terminal, the metal mounting part self and sealing property of the metal mounting part and the insulator body are realized. The process of the invention for manufacturing insulator adopts die processing one-step forming, thus ensuring the sealing property of the insulator to be good and optimizing the manufacturing process.

Description

technical field [0001] The invention relates to an insulator, in particular to a high-voltage power capacitor insulator. Background technique [0002] The high-voltage power capacitor insulator currently used in the market includes an insulator body on which a plurality of sheds, metal wiring components and metal installation components are arranged. The traditional method of connecting metal wiring components, metal mounting components and insulator bodies is welding. Due to the particularity of ceramic materials, silver alloys are mostly used to connect insulator bodies with metal wiring components and metal mounting components. Welding, which greatly increases the cost of the insulator, and at the same time configuring this silver alloy into a viscous fluid state that is easy to smear requires the use of acidic chemicals with a relatively high degree of pollution, which is not conducive to protecting the environment. Chinese patent document CN101719402A discloses a ceram...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B17/28H01B17/30H01B19/00
Inventor 卢大庆
Owner DATONG POWER SUPPLY COMPANY OF STATE GRID SHANXI ELECTRIC POWER
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