Top cover of extremely simple pole power battery

The utility model provides an extremely simple pole power battery top cover, which comprises a top cover sheet and two poles, the top cover sheet is provided with two mounting grooves for mounting the two poles respectively, the bottom of each mounting groove is provided with a first through hole, a sealing ring is arranged between the bottom of each mounting groove and the corresponding pole, the periphery of the opening of each mounting groove is provided with a mounting ring, and the mounting ring is provided with a second through hole. The mounting ring protrudes out of the upper end face of the top cover piece and is integrally formed with the top cover piece, the pole is provided with an insulating heat-insulating ring, the mounting ring is provided with a plurality of downwards-sunken concave tables, and the bottoms of the concave tables abut against the insulating heat-insulating ring so that the insulating heat-insulating ring, the pole and the sealing ring can be pressed and fixed in the mounting gr