A low-energy coil protection structure

Abstract

The utility model discloses a kind of protection structure of low-energy coil, belong to coil protection technical field, including shell, the bottom of shell is connected with base, lower pressing cover is set in the top of shell, wave cap is set in the top of pressing cover, upper pressing cover is set in the top of wave cap, back cover is set on base, permanent magnet is set on back cover, lining pipe is set in the inside of shell, static core is set on the inner wall of lining pipe, framework is set on static core, coil is set in framework, moving iron core is slidably arranged in the inside of shell, the utility model, by the combination design of multilayer pressing cover and wave cap, realize the compact packaging and electromagnetic shielding to coil, the heat dissipation capacity of aluminum pressing cover is promoted, wire hole and outlet hole structure guarantee lead arrangement neat and reliable, reset spring is built-in in wave cap, structure is stable, reset response is fast, overall structure is reasonable, applicable to the high reliability protection occasion of low-energy coil.

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