Switch coil protection device

The utility model discloses a switch coil protection device. Key points of the technical scheme are as follows: the key points are as follows; including a first sleeve, a spring is connected between the first sleeve and a core column in the switch coil; the end side of the first sleeve is detachably connected with a second sleeve; a reed is fixed in the second sleeve; a rubber pad is fixed on thereed; a first connecting disc is fixed to the end, close to the second sleeve, of the first sleeve. A second connecting disc is fixed at one end, close to the first sleeve, of the second sleeve; a plurality of studs are fixed on the first connecting disc, the plurality of studs are locked by a locking sleeve after penetrating through the second connecting disc, a first through hole for a winding pin in the switch coil to penetrate out is formed in the annular wall of the first sleeve, and a second through hole for the winding pin to penetrate out is formed in the annular wall of the second sleeve; the switch coil prot