The pressing pump structure with the waterproof ring comprises a pump body extending into a
bottle body and further comprises a
bottle locking cap, a locking cap, a pressing head, a
pump chamber, an upper pump rod, a lower pump rod, a
piston, a spring and a one-way valve, the
bottle locking cap is connected to the pump body, the upper end of the pump body is sleeved with the locking cap, and the
pump chamber is arranged on the pump body; the upper pump rod is arranged in the
pump chamber and provided with a suction channel, the upper end of the upper pump rod is fixedly connected with the pressing head in an inserted mode, and the lower end of the upper pump rod is connected with the lower pump rod. A waterproof structure is arranged between the upper pump rod and the lock cover and is a waterproof ring arranged on the upper pump rod in a sleeving mode, and the upper end of the waterproof ring is in
interference fit with the upper pump rod. In the whole pressing and using process, the upper end of the waterproof ring and the upper pump rod are kept in
interference fit all the time, external pollutants such as water or dust are effectively prevented from entering the pump body, the risk that internal liquid is polluted and goes bad is reduced, the sealing performance of the
emulsion pump is improved, and the subsequent using effect is guaranteed.