Patent ID: 6357629
Filing Date: 2002-03-19
Classification: B05B

Abstract:
An emulsion pump mechanism for preventing dirty water from entering an emulsion bottle comprising:a pressing head comprising an internal passage, wherein at a lower end of the passage there is a pipe connector on the outer wall of which is provided an external thread; a connecting pipe, wherein an upper end of the connecting pipe is fixed on the piper connector at the lower end of the pressing head and wherein the connecting pipe is communicated with the internal passage of the pressing head; and a cylinder cover comprising a through-hole for the insertion of the connecting pipe, wherein in an upper portion of the through-hole there is an internal thread capable of being engaged with the outer thread on the outer wall of the pipe connector, and wherein a dirty water preventing guiding sleeve pipe is integrally formed in a lower portion of the central through-hole in one piece construction with said cylinder cover for preventing dirty water from entering the emulsion bottle, the guiding sleeve pipe being in easy slide fit with the outer wall of the connecting pipe and having an upper end of the guiding sleeve pipe higher than an upper surface of the cylinder cover.