Handle of oil-immersed fuse used for American-type box substation

• Main Authors: SHEN YIMING, CHEN YAN, XU HE, LI CHENGFA, LIN HAIOU, QIAN YONGJIE
• Format: Patent
• Language: Chinese; English
• Published: 06.10.2010
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SWITCHES; ELECTRICITY; EMERGENCY PROTECTIVE DEVICES; RELAYS; SELECTORS

The invention discloses a handle of an oil-immersed fuse used for an American-type box substation, which can improve the sealing performance and increase the creepage distance. The oil-immersed fuse comprises a cylindrical base, a fuse holder and a fuse element, wherein the base comprises an outer shell, and two conducting rings and a mounting base which are arranged in the outer shell at intervals; the fuse holder comprises the handle, and two contact pins connected with two ends of the fuse element respectively; one of the two contact pins is connected with the handle; the handle comprises a connecting rod, a cover, a knob, a sealing structure and a sealing ring which are connected with one another in turn; the sealing structure is arranged on the connecting rod, is close to one end of the cover, is a section of cylinder which is formed by extending the surface of the connecting rod in the radial direction; the peripheral surface of the cylinder is provided with an annular groove in the radial direction; th