| CPC H01B 17/26 (2013.01) | 14 Claims |
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1. An insulating bushing adapted to protect a busbar and having improved insulating properties and waterproof performance, the insulating bushing comprising:
a first bushing provided with a first bushing passage through which the busbar passes;
a second bushing provided with a first bushing-receiving portion receiving an upper portion of the first bushing inserted through a lower portion of the first bushing-receiving portion and a second bushing passage through which the busbar passes; and
a cover coupled to an outer surface of the second bushing and provided with a cover passage through which the busbar passes,
wherein the second bushing comprises: a second bushing body; and a second bushing flange protruding from a lower portion of the second bushing body in a lateral direction thereof to surround the lower portion of the second bushing body and formed with a plurality of second bushing bolt-holes,
the second bushing flange being composed of second bushing flange long-sides and second bushing flange short-sides with reference to a shape of the second bushing passage,
the second bushing flange long-sides having an M shape with peaks and a valley,
wherein the cover comprises:
a cover body;
a lower cover flange protruding from a lower portion of the cover body in the lateral direction to surround the lower portion of the cover body and formed with a plurality of cover bolt-holes; and
an upper cover flange protruding from an upper portion of the cover body in the lateral direction to surround the upper portion of the cover body,
wherein the lower cover flange is composed of lower cover flange long-sides and lower cover flange short-sides with reference to a shape of the cover passage,
the lower cover flange long-sides having an M shape including lower cover flange peaks convexly bent in a direction away from a center of the cover and a lower cover flange valley concavely bent in a direction approaching the center of the cover.
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