What is the working principle of the lotion pump head

When Sprayer Pumps Factory we first press the  drives the  and the compression spring  through the connected main column. During the compression spring, the outer wall of the piston  passes through and The friction of the inner wall of the body  prompts the piston to open the discharge hole of the sub-column  when the piston  slides down, the air in the body  passes through the opened sub-column  discharge hole.

Press repeatedly to exhaust all the air in the body  press the head  by hand to pass the main column The design of cosmetic packaging bottles is constantly innovating. From the beginning of the plastic cap, the squeeze cap to the final spray pump, each time is to better store the cosmetics and make it easier for people to use. So today we mainly understand what are the advantages of cosmetic spray pumps?

The dosage can be well controlled, and it can bring great convenience in many fields, such as medical treatment, which is not suitable for application on wounds or in the oral cavity, so the spray pump comes in handy.sub-column , piston  and common compression spring  After expelling the air in the body , release the . The spring  loses pressure and moves back. At this time, the piston  also moves toward the inner wall of the body.

Move down to close the discharge hole of the sub-column ; at this time, the liquid storage chamber in the body  forms a vacuum suction state, suck the glass ball  upward, and pass the liquid in the bottle through the straw  suck the liquid into the liquid storage cavity of the body . Store the liquid. Press the head several times, and store the liquid in the body through multiple suction until the liquid is full. .Liquid discharge-when the liquid storage cavity of the body  is full, press the head  again and the liquid will be directly ejected from the nozzle  through the discharge hole.