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Novel vacuum circuit breaker insulating sheath

A technology of vacuum circuit breaker and insulating sheath, which is applied to high-voltage air circuit breakers, circuits, electrical components, etc., can solve the problems of shortening the service life of vacuum circuit breakers, poor sealing performance of insulating shells, etc., and achieves a simple and practical connection method. Good sealing, reducing the effect of openings

Active Publication Date: 2019-11-29
ANHUI YIFALA ELECTRICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a new type of vacuum circuit breaker insulating sheath, which solves the problem that the sealing of the entire insulating shell is not strong, causing a large amount of water vapor and dust in the outside air to enter the interior of the insulating sheath , which will still cause some adverse effects on the joints of the vacuum circuit breaker, shortening the service life of the vacuum circuit breaker

Method used

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  • Novel vacuum circuit breaker insulating sheath

Examples

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Embodiment 1

[0028] like Figure 1-5 As shown, the embodiment of the present invention provides a novel vacuum circuit breaker insulating sheath, including a rear insulating sheath 1, a front insulating sheath 2 is fixedly connected to the left side of the rear insulating sheath 1, and a front insulating sheath 2 The wire fixing assembly 3 is arranged on the left side, the bottom of the insulating sheath 1 at the rear end is threadedly connected with an insulating sheath fixing seat 4, and the upper end of the insulating sheath fixing seat 4 is threadedly connected with a protective nut 5, and the wire at the joint of the vacuum circuit breaker is connected to Enter from the bottom of the insulating sheath fixing seat 4, the wire passes through the cavity inside the rear insulating sheath 1 and the front insulating sheath 2, and then comes out from the left end of the front insulating sheath 2, and then passes the wire end through the wire fixing assembly 3, and finally install the insulat...

Embodiment 2

[0030] like figure 1 , 2 As shown, the embodiment of the present invention provides a novel vacuum circuit breaker insulating sheath. The rear end insulating sheath 1 is composed of a first rear end sheath shell 101 and a second rear end sheath shell 102. The first rear end The sheath housing 101 and the second rear sheath housing 102 are movably connected through a connecting hinge 103, the first rear sheath housing 101 is screwed to the top of the insulating sheath fixing seat 4, and the first rear sheath housing The side walls of the body 101 and the second rear sheath housing 102 are fixedly connected to the limit ring 104, and the inside of the first rear sheath housing 101 and the second rear sheath housing 102 form an arc-shaped cavity. Cavity, the front-end insulating sheath 2 is composed of the first front-end sheath shell 201 and the second front-end sheath shell 202, and the inside of the first front-end sheath shell 201 and the second front-end sheath shell 202 fo...

Embodiment 3

[0032] like figure 1 , 2, 3, and 4, the embodiment of the present invention provides a new type of vacuum circuit breaker insulation sheath, the wire fixing assembly 3 includes a sleeved circular plate 301, and several plug blocks 302 are fixedly connected to the right side of the sleeved circular plate 301 , and the left side wall of the front end insulating sheath 2 is provided with a socket suitable for the plug-in block 302, the upper and lower ends of the socketed circular plate 301 are fixedly installed with a fixed block 303, and the side of the socketed circular plate 301 A round hole is opened on the wall, and a rubber washer 304 is fixedly installed inside the round hole. After the circuit breaker wire comes out from the left end of the front insulating sheath 2, the lead wire is passed through the rubber washer installed on the side wall of the socket circular plate 301. 304, and then insert the socket block 302 at the right end of the socketed circular plate 301 i...

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Abstract

The invention provides a novel vacuum circuit breaker insulating sheath, and relates to the technical field of breaker protective sleeves. The novel vacuum circuit breaker insulating sheath comprisesa rear-end insulating sheath, the left side of the rear-end insulating sheath is fixedly connected with a front-end insulating sheath, the left side of the front-end insulating sheath is provided witha wire fixing component, the bottom of the rear-end insulating sheath is in threaded connection with an insulating sheath fixing seat, and the upper end of the insulating sheath fixing seat is in threaded connection with a protective nut. After the insulating sheath is assembled, a rubber strip clamping strip is clamped with a sealing rubber strip, so that the connection between the shells of theinsulating sheath has the good sealing performance, moisture and dust in external air can be effectively avoided, the joint of the circuit breaker is protected from being interfered, and the servicelife of the vacuum circuit breaker can be effectively prolonged.

Description

technical field [0001] The invention relates to the technical field of circuit breaker protective sleeves, in particular to a novel vacuum circuit breaker insulating sheath. Background technique [0002] Vacuum circuit breakers can realize the isolation of large currents through the excellent insulation performance and isolation performance in high vacuum. In order to improve the safety performance of vacuum circuit breakers, insulating sheaths are generally installed on vacuum circuit breakers. It is a sharp tool for network insulation and power supply reliability. It can effectively prevent power outages and electric shock accidents caused by (human touch, small animals or sundries, acid rain and chemical gas corrosion) caused by exposed electrical connectors of power equipment. The degree of full insulation of the distribution network is continuously improved, and higher requirements are put forward for the structural rationality and configuration selection suitability of...

Claims

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Application Information

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IPC IPC(8): H01H33/662
CPCH01H33/66207H01H33/66261H01H2033/66223H01H2033/66269
Inventor 戴文忠戴章戴超戴玉吴钰娟
Owner ANHUI YIFALA ELECTRICAL CO LTD
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