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Ceramic binding post

A terminal and ceramic technology, which is applied in the field of ceramic terminal structure design, can solve the problems of cumbersome processing and installation operations, and achieve the effect of improving production efficiency

Inactive Publication Date: 2012-08-15
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] During the follow-up R&D and trial production process, the applicant found that two semi-circular metal retaining rings are welded and fixed to the metal mounting seat, so as to ensure that the metal mounting seat is firmly fixed on the ceramic outer wall. This structure is feasible and can meet the requirements of the national Relevant standards, but the operation process of its processing and installation is relatively cumbersome, and it is necessary to use a special special fixture to clamp the metal retaining ring and the metal mounting seat, so that it can be welded smoothly

Method used

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Experimental program
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Embodiment 1）

[0016] figure 1 It is a cross-sectional view of the first structure of the present invention, showing the first specific implementation manner of the present invention.

[0017] This embodiment is a ceramic terminal, see figure 1 As shown, it includes a ceramic insulator body 1 , a wiring assembly 4 arranged on the upper part of the ceramic insulator body 1 and an installation assembly 2 arranged on the lower part of the ceramic insulator body 1 .

[0018] The ceramic insulator body 1 is provided with a through hole 11 along its central axis, a plurality of sheds 12 are provided on the outer wall of the middle part of the insulator body, and an annular positioning boss 13 is provided on the outer wall of the lower part of the insulator body.

[0019] The mounting assembly 2 includes a metal mounting seat 21 and an annular sealing ring 22; the basic shape of the metal mounting seat 21 is tubular, with a rolled connection portion 211 at its upper end, and a limit portion protru...

Embodiment 2）

[0026] figure 2 It is a cross-sectional view of the second structure of the present invention, showing the second specific implementation manner of the present invention.

[0027] This embodiment is basically the same as Embodiment 1, the difference is: see figure 1 As shown, an annular elastic gasket 3 is also provided between the rolling connection ring 214 and the annular positioning boss 13 . In addition, an annular sealing gasket 5 is provided between the rolling fastening ring 435 and the annular rolling fastening portion 15 on the upper outer wall of the ceramic insulator body 1 . The function of the elastic gasket 3 and the annular gasket is to further enhance the sealing effect, and also effectively prevent the ceramic insulator body from being broken due to the high rolling force.

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Abstract

The invention discloses a ceramic binding post which comprises a ceramic insulator body and an installation assembly arranged on the lower part of the ceramic insulator body, wherein the ceramic insulator body is provided with a through hole along the central axis of the ceramic insulator body, and the outer wall of the middle of the insulator body is provided with multiple umbrella skirts; the outer wall of the lower part of the insulator body is provided with an annular positioning boss, and the installation assembly comprises a metal installation base and an annular seal ring; the basic shape of the metal installation base is a tube shape, the upper end of the metal installation base is provided with a rolling depression connection part, and the middle part of the metal installation base is provided with a spacing part which protrudes to the interior of the pipe; the annular seal ring is sleeve on the outer wall of the lower part of the insulator body, and is positioned between the spacing part of the metal installation base and the annular positioning boss; the spacing part props against the annular seal ring on the bottom of the annular positioning boss; and the top end of the rolling depression connecting part is in compression joint with the top of the annular positioning boss through a rolling depression manner. According to the invention, the installation and the operation are more convenient, and the production efficiency is effectively improved.

Description

technical field [0001] The invention relates to the technical field of ceramic terminal structure design, in particular to a ceramic terminal used for high-voltage electrical appliances. Background technique [0002] The ceramic insulators of high-voltage capacitors currently on the market use silver to weld the mounting part and the ceramic body together to make it firmly fixed on the ceramic body. This product has high cost, cumbersome steps, and long processing time. [0003] Traditional ceramic insulators need to weld metal wiring components and mounting components to the body of the ceramic insulator. Due to the particularity of ceramics, special solder with silver alloy as the main component needs to be used. This solder is very expensive. To ensure the firmness of the combination of the two, a relatively thick solder layer is required, and more materials are used, resulting in high cost of this kind of insulator; in addition, in order to prepare this silver alloy into...

Claims

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Application Information

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IPC IPC(8): H01B17/26H01B17/30H01B17/38
Inventor 胡小青申俊
Owner STATE GRID CORP OF CHINA
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