Flame-retardant block in submersible pump

The utility model belongs to the technical field of submersible pumps. The flame-retardant block is formed by mutually connecting a plurality of cylinders, the axes of the cylinders are located on thesame plane, a notch allowing a wire clamping cap to be inserted into an inner cavity of each cylinder is formed in one end of each cylinder, a plurality of protruding blocks for fixing the wire clamping cap are arranged on the periphery of each notch, and the flame-retardant blocks are made of flame-retardant materials. The flame-retardant block in the submersible pump is simple in structure, lowin cost and good in flame-retardant effect. 本实用新型属于潜水泵的技术领域，涉及一种潜水泵内部阻燃块，所述阻燃块由若干圆筒相互连接而成，所述圆筒的轴线位于同一平面，圆筒的一端设置有供夹线帽插入圆筒内腔的槽口，所述槽口处周设有若干固定夹线帽的凸块，所述阻燃块由阻燃材料制成。本实用新型提供的潜水泵内部阻燃块，结构简单，成本低廉，阻燃效果好。