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a sealed 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: 2018-03-09
宁波中迪机械有限公司
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  • Summary
  • 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

[0015] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0016] 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 the boss 12, and it is characterized in that: the first sealing surface 11 is provided with an annular groove 3, and the second sealing surface 21 is provided with The annular flange 4 matched with the annular groove 3, the side wall of the opening of the installation groove 22 is provided with a card groove 5, and the first sealing ring 6 is arranged in the described card groove 5, and the described annular flange 4 A connecting ring 8 interferes with the first sealing r...

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Abstract

The invention discloses a sealing joint and aims at providing the sealing joint with good sealing property. The key point of the technical scheme provided by the invention is that 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; a mounting groove matched with the boss is formed in the second sealing surface; an annular groove is formed in the first sealing surface; an annular flange matched with the annular groove is arranged on the second sealing surface; a clamping groove is formed in the side wall at an opening of the mounting groove; a first sealing ring is arranged in the clamping groove; a connecting ring is supported between the annular flange and the first sealing ring; and an annular bump for extruding the annular flange to enable the connecting ring to extrude the first sealing ring is arranged in the annular groove and is positioned at one side away from the boss.

Description

technical field [0001] The invention relates to a sealing joint. 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 equipment air c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16J15/06
CPCF16J15/06F16J15/062
Inventor 王重杰
Owner 宁波中迪机械有限公司