Anti-theft packing box pressing cap

The utility model discloses an anti-theft packing box pressing cap. The anti-theft packing box pressing cap is structurally characterized in that a polished rod is sleeved with a packing box and a gland in sequence, a cylindrical pressing cap body is arranged in an outer sleeve, a baffle ring is installed in the outer sleeve, an annular ratchet is arranged on the upper end face of the pressing cap body, an annular ratchet is arranged on the inner upper end face of the outer sleeve and meshed with the annular ratchet of the pressing cap body, the meshing direction of the two ratchets is the same as the screwing direction of adjusting threads of the pressing cap body, the polished rod is sleeved with the pressing cap body, and the pressing cap body is connected with the packing box. The anti-theft packing box pressing cap has the advantages of being capable of meeting the requirement for adjusting the rightness of a packing and achieving the purposes of theft prevention and damage prevention, simple in structur