Fusible plug

The utility model discloses a fusible plug which comprises a copper body, the side face of the copper body is provided with an inward concave square groove, one side of the copper body is provided with an oblique angle, the middle of the copper body is provided with a pouring hole, and fusible alloy is arranged in the pouring hole. The melting furnace has the advantages that the melting temperature precision is high, and the fusible alloy is firmly combined with the main body. 本实用新型公开了一种易熔塞，包括铜主体，所述铜主体的侧面设置有向内凹陷的方形槽，所述铜主体的一侧设置有斜角，所述铜主体的中部设置有浇筑孔，所述浇筑孔内设置有易熔合金。本实用新型具有熔化温度精准度高、易熔合金与主体结合牢靠的优点。