With the gradual improvement of people's living conditions, the use of many household items has become more and more convenient, including the application of lotion pumps. Emulsion pump, also known as push-type emulsion pump, is a liquid dispensing tool that uses the principle of atmospheric pressure balance to make the emulsion in the bottle pop out by pressing, and can also add the outside atmosphere to the bottle. Next, I will talk about the working principle of the emulsion pump and its important functions and parameters.
When buying a product containing an emulsion pump, you should know that during the pressing process, it needs to connect its head through it, and drive the piston to use it under the action of the compression spring. In the process of compressing the spring, the outer wall of the emulsion pump piston often fully opens the piston through the friction of the inner cavity wall, and the liquid appears in the discharge hole of the piston head. As the piston moves down, the air inside will be expelled from the piston head.
We can completely exhaust the air in the inner cavity by pressing multiple times, then press the head by hand, and then exhaust the air in the inner cavity through the action of the piston rod and the compression spring. At this time, loosen the pressure head of the emulsion pump by hand, the spring will lose the pressure and move down again. At this point, the piston moves downward by rubbing the inner wall to close the discharge hole.
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