Large-diameter upper wire leading-out and upper locking fuse
A technology of lead wires and fuses, applied in emergency protection devices, electrical components, circuits, etc., can solve problems such as easy arc generation, incomplete breaking, unreasonable pop-up structure, etc., and achieve the effect of reliable pop-up and avoiding discharge phenomenon
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[0009] The present invention is specifically described below in conjunction with the accompanying drawings, such as figure 1 , figure 2 As shown, the present invention includes an insulating porcelain body and a fuse tube disposed in the axial inner cavity 100 of the insulating porcelain body. The insulating porcelain body includes two parts: an upper insulating porcelain body 14 and a lower insulating porcelain body 15. The top of the porcelain body is provided with a locking device 10; such as image 3 As shown, the locking device 10 includes a jacket 106 fixed in the groove on the top of the insulating porcelain body, the jacket 106 is provided with threads on the outside, and a wedge-shaped through hole 105 is arranged in the middle; the lead wire 1 of the upper fuse tube 6 Pass through the wedge-shaped through hole 105; a clamping nut 107 is arranged outside the jacket 106, and the inner diameter of the clamping nut 107 is smaller than the outer diameter of the outer bo...
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