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self-sealing joint

A self-sealing and joint technology, which is applied in the direction of pipe/pipe joint/fitting, sleeve/socket connection, passing components, etc., can solve the problems of air leakage in the air chamber of the equipment, improper installation process, etc., and achieve the effect of increasing the sealing effect

Active Publication Date: 2018-04-20
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

[0014] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0015] see figure 1 , figure 2 and image 3 As shown, the self-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, the first sealing surface 11 is provided with a circular platform 12, and the The second sealing surface 21 of the second sealing surface 21 is provided with a circular frustum-shaped installation groove 22 matching with the circular platform 12, and the feature is that: 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. The groove 3 matches the annular flange 4, the side wall of the opening of the installation groove 22 is provided with a card groove 5, the first sealing ring 6 is arranged in the described card groove 5, and the...

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Abstract

The invention discloses a self-sealing joint, and aims to provide the self-sealing joint with excellent sealing performance. The self-sealing joint comprises a left joint provided with a first sealing surface, and a right joint provided with a second sealing surface; the first sealing surface is provided with a circular table; the second sealing surface is provided with a circular table type mounting groove matched with the circular table; 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 of the opening place of the mounting groove; a first sealing ring is arranged in the clamping groove; and multiple annular projections for extruding the annular flange to enable the side wall of the mounting groove to aslant extrude the side wall of the circular table are arranged on one side, far from the circular table, in the annular groove.

Description

technical field [0001] The present invention relates to self-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 equ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L21/03F16L21/04
CPCF16L21/03F16L21/04
Inventor 王重杰
Owner 宁波中迪机械有限公司