High voltage electric porcelain sleeve
The utility model discloses a high voltage electric porcelain sleeve, comprising a sleeve body, big, small sheds arranged on an outer wall of the sleeve body, annular grooves or raised parts alternatively arranged on an inner wall of the sleeve body along the axial direction. An annular groove is fo...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a high voltage electric porcelain sleeve, comprising a sleeve body, big, small sheds arranged on an outer wall of the sleeve body, annular grooves or raised parts alternatively arranged on an inner wall of the sleeve body along the axial direction. An annular groove is formed between two adjacent annular raised parts, the annular raised parts are cooperated with the annular grooves to increase the creepage distance on the inner wall of the sleeve body, so as to realize the inner insulation of the high voltage electric porcelain sleeve and an insulation medium is not needed to be filled into the sleeve body and the insulation material is saved. |
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