| 摘要 |
<p>The invention relates to a waterproof mechanism for emulsion dispensing pump comprising a depression head having a passage timed thereinto and with a pipe coupling on its lower end, a conduit with its upper end fixed to the pipe coupling of the depression head, and a cylinder head having a through-hole on its center portion. The pipe coupling has an external thread portion on its outer wall for engaging with an internal thread portion formed on the upper portion wall of the through-hole of the cylinder head. There is a waterproof guide socket integrally formed on the lower portion wall of the through-hole, wherein the inner wall of the waterproof guide socket movably fits with the outer wall of the conduit and its upper end is higher than the upper surface of the cylinder head. <IMAGE></p> |
