Lotion Pump Lotion Pump is also called pressing lotion pump. It is a liquid distributor that uses the principle of atmospheric balance to pump out the material liquid in the bottle by pressing and replenish the outside atmosphere into the bottle.

Main performance indexes of lotion pump: air pressure times, pump output, down force, head opening torque, rebound speed, water intake index, etc.

When the pressing handle is pressed down manually, the volume in the spring chamber decreases and the pressure increases. The liquid enters the nozzle chamber through the hole of the valve core and then ejects the liquid out through the nozzle. When the pressing handle is released, the volume in the spring chamber increases and negative pressure is formed. The ball is opened under the negative pressure, and the liquid in the bottle enters the spring chamber. At this time, a certain amount of liquid is already stored in the valve body. When the handle is pressed again, the liquid stored in the valve body will be flushed upward and sprayed out through the nozzle.

Judging from the above working principle, the key to a good pump head is to pay special attention to the following areas:

1. Glass beads or steel balls under the spring.

2. Look at the sealing ring at the upper end of the valve body.

3. The matching of the pressing handle and the valve core.

4. The design of the nozzle depends on the atomization effect.

Therefore, the function of the general pump head also detects these four positions, and other appearance and coordination problems are detected conventionally.

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