Dropping type fuse
A drop-type fuse, fuse-carrying technology, applied in electrical components, protection switch operation/release mechanisms, circuits, etc., can solve problems such as large operating force, increase contact pressure, increase arc extinguishing effect, and reasonable structure. Effect
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[0050] The technical solutions of the present invention will be described below through specific embodiments in conjunction with the drawings:
[0051] See figure 1 , The conventional drop-out fuse includes the fuse carrier 1, the lever mechanism 2, the upper and lower contact seats 3, 4, the opening and closing mechanism 5, the insulator 6, the upper and lower terminal blocks 7, 8 and the upper and lower inserts 9, 10, wherein the opening and closing mechanism 5 is connected to the upper insert 9, and the upper contact base 3 is connected to the upper wiring terminal 7.
[0052] See again figure 2 In the linkage structure of the upper contact seat and the opening and closing mechanism in the drop-out fuse of the present invention, the upper contact seat 3 is movably connected with the opening and closing mechanism through a linkage pin 23.
[0053] The upper contact seat 3 includes an upper bracket 31, a spring seat 32, a guide rod 33, an upper contact seat body 34 and a compressio...
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