Special filter element structure for sealed hydraulic pump station

The utility model discloses a special filter core structure for a sealed hydraulic pump station, which comprises a core body and a sealing structure, the sealing structure comprises a cylinder body and a cylinder cover, the cylinder cover is provided with a sealing outer ring, the inner surface of the sealing outer ring is provided with a sealing ring, the inner surface of the cylinder body is provided with a limiting column, the limiting column is provided with a circular plate, and the circular plate is provided with a sealing ring. A limiting column is arranged in the cylinder body, a spring sleeves the outer side of the limiting column, two connecting blocks are arranged on the inner wall of the cylinder body, limiting blocks are arranged at the ends of the connecting blocks, a limiting box is arranged at the bottom of the core body, a clamping groove is formed in the bottom of the limiting box, and an annular cavity is formed in the limiting box; the cylinder cover covers the top end of the core body, th