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sealing joint

A technology of sealing joints and sealing surfaces, applied in the direction of engine sealing, engine components, mechanical equipment, etc., can solve the problems of air leakage in the equipment air chamber and the installation process is not in place, and achieve the effect of increasing the sealing effect

Active Publication Date: 2018-03-13
宁波中迪机械有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the current substations are gas-insulated substations, but with the large-scale operation of gas-insulated substations, due to reasons such as the production of sealing joints and inadequate installation processes, the leakage of equipment gas chambers is becoming more and more serious. Supplement air to the air chamber of equipment with serious air leakage, and sometimes need to repair the air chamber of equipment with low pressure alarm, that is, a sealing joint with good sealing performance is urgently needed on the market

Method used

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0018] see figure 1 , figure 2 and image 3 As shown, the sealing joint of the present invention includes a left joint 1 provided with a first sealing surface 11 and a right joint 2 provided with a second sealing surface 21, and the first sealing surface 11 is provided with a cylindrical boss 12 , the second sealing surface 21 is provided with a mounting groove 22 matching with the boss 12, the first sealing surface 11 is provided with an annular groove 3, and the second sealing surface 21 is provided with an annular groove 3 Matching annular flange 4, the side wall of the opening of the installation groove 22 is provided with a card slot 5, the first sealing ring 6 is provided in the card slot 5, and the annular groove 3 is located far away from the One side of the boss 12 is provided with an extruded annular flange 4 to deform the card gr...

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Abstract

The invention discloses a sealing joint, and aims to provide the sealing joint with excellent tightness. The sealing joint comprises a left joint provided with a first sealing surface, and a right joint provided with a second sealing surface; a cylindrical boss is arranged on the first sealing surface; the second sealing surface is provided with a mounting groove matched with the boss; the first sealing surface is provided with an annular groove; the second sealing surface is provided with an annular flange matched with the annular groove; a clamping groove is formed in the side wall in an opening of the mounting groove; a first sealing ring is arranged in the clamping groove; and an annular projection for extruding the annular flange to deform the clamping groove to extrude the first sealing ring is arranged on one side, far from the boss, in the annular groove.

Description

technical field [0001] The present invention relates to sealing joints. Background technique [0002] Gas-insulated substation (GIS) uses sulfur hexafluoride (SF6) gas with excellent insulation and arc-extinguishing properties as the insulation and arc-extinguishing medium, and seals all high-voltage electrical components in a grounded metal cylinder, which is different from traditional open substations. Compared with it, it has the advantages of long maintenance period, small maintenance workload, quick installation, low operating cost, and no electromagnetic interference. Most of the current substations are gas-insulated substations, but with the large-scale operation of gas-insulated substations, due to reasons such as the production of sealing joints and inadequate installation processes, the leakage of equipment gas chambers is becoming more and more serious. Supplement air to the equipment air chamber with serious air leakage, and sometimes need to repair the equipmen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16J15/04F16J15/06
CPCF16J15/04F16J15/06
Inventor 王重杰
Owner 宁波中迪机械有限公司