External foam pump

The utility model relates to the technical field of foam pumps, in particular to an external foam pump which comprises a body, glass beads are installed in the body, a gasket is sleeved on the outer wall of the body, a suction pipe is inserted into the bottom of the body, the external foam pump further comprises a pull rod assembly, and the pull rod assembly comprises a pull rod, a spring, a spring seat and a small piston. The piston assembly comprises a large piston and a valve; the pressing head assembly comprises a dust cover, a pressing head, a thread cover and a net joint, and two layers of foaming meshes are formed in the net joint. According to the external foam pump provided by the utility model, through the two layers of foaming meshes which are arranged up and down in the net joint, the finally discharged foam liquid can be more dense and fine, the discharged foam amount is larger, the use requirement is met, and the practicability of the foam pump is improved. 本实用新型涉及泡沫泵技术领域，具体是一种外置泡沫泵，包括本体，所述本体内安装