During the epidemic, "wearing a mask, washing hands frequently, and disinfecting more" has become a mantra, and disinfectants and hand sanitizers have become necessities at home. This action is common, but have you ever wondered how this "squeeze out" lotion pump head works? Do you know how it's made?
By manually pressing the handle to press the pump
, the volume in the spring chamber is reduced, and the rising pressure causes the liquid to enter the nozzle chamber through the valve core. Loosen the handle, the volume of the spring chamber increases to form a negative pressure, the ball opens under the negative pressure, and the liquid in the bottle enters the spring chamber. When pressing again, the liquid stored in the valve body will be flushed upwards.
The conventional daily necessities press pump head is generally composed of nozzle/head, upper pump column, lock cover, gasket, bottle cap, pump plug, lower pump column, spring, pump body, glass ball, straw and other accessories. According to the structural design requirements of different pumps, the relevant accessories will be different, but the principle is consistent with the final purpose, that is, to effectively remove the content.