Easily-opened head cover of vertical filter separator with safety interlocking function

The utility model provides a vertical filter separator easy-open type head cover with a safety interlocking function, which comprises a high neck, a sealing cover, two pairs of arc-shaped wedges, a lifting device and a dustproof cover, the sealing cover is arranged in a radial opening of the high neck, the arc-shaped wedges are symmetrically arranged above the sealing cover to form a wedge circular ring, the outer side end parts of the arc-shaped wedges are clamped into a groove in the inner wall of the high neck, and the lifting device is arranged on the sealing cover. The lifting device is connected with the center of the sealing cover, the dustproof cover is arranged at the high neck diameter opening, the inner ring of the dustproof cover abuts against the arc-shaped wedge, a through hole is formed in the sealing cover, and a detachable safety interlocking device is arranged at the upper end of the through hole. According to the utility model, the safety interlocking device is utilized to visually observe