Vacuum arc-extinction porcelain shell component and its making technology
A vacuum interrupter and porcelain shell technology, applied in electrical components, high-voltage air circuit breakers, electrical switches, etc., can solve problems such as shielding cylinder falling off, power grid blackout, product scrapping, etc., to improve production efficiency and strong breakdown resistance. , reliable performance
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[0012] The present invention will be further described in conjunction with the accompanying drawings of the above-mentioned embodiments.
[0013] As shown in Fig. 1, the vacuum interrupter porcelain shell assembly according to the present invention has a porcelain shell 1 and a shielding cylinder 2, the inner wall of the porcelain shell 1 is provided with a fixing rib 3, and the outer edge of the shielding cylinder 2 is flanged The structural form of 5 is compressed on the fixed rib 3 to form a fixation, and the lower part of the fixed rib 3 and the corresponding position of the upper mouth of the shielding tube 2 are respectively provided with corresponding inclined contact surfaces 4 to form inclined surface contact.
[0014] During production, first put the shielding tube 2 into the porcelain shell 1, make the height of the upper edge of the shielding tube 2 exceed the height of the fixing rib 3 in the porcelain shell, move the shielding tube 2 upward, and make the upper mou...
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