Spray pump, also known as spray, spray pump is a major accessory products, cosmetics packaging container is one of the content distributor, spray pump is a kind of using atmospheric balance principle, through the press material liquid in the bottle, high-speed flow of liquid near the mouth of the gas flow will also drive the nozzle, the nozzle mouth near the speed of the gas, the pressure decreases, the formation of local negative pressure zone. Emulsion pump emulsion is a liquid cream skin care products, because it looks pure white such as milk, so called emulsion. Lotion has a good moisturizing effect, also has a moisturizing effect, especially suitable for dry spring, autumn use, if the skin is neutral, can also be used in winter. Thus, the surrounding air is mixed into the liquid to form a mixture of gas and liquid, and the liquid produces atomization effect. The structure of the spray pump mainly includes the following points:
1. Main accessories of spray pump
Conventional spray pump is mainly composed by mouth/according to the head, diffusion mouth, central catheter, capping, sealing gasket, piston, piston, spring, pump body, straw and other accessories, which is suitable for opening the pistons, piston with piston connection, achieve when compressed rod upward movement, pump body foreign open, upward movement, the effect of the studio closed. According to different pump structure design requirements, the relevant accessories will be different, but its principle and the ultimate purpose is the same.
2. Water outlet principle of spray pump
Exhaust process: it is assumed that there is no liquid in the base workroom in the initial state. Press the pressure head, the compression rod drives the piston, the piston pushes the piston seat down, the spring is compressed, the volume in the working room is compressed, the air pressure increases, and the water stop valve seals the end of the drawing water pipe. Since the piston and the piston seat are not completely closed, the gas squeezes the gap between the piston and the piston seat, causing it to separate and the gas to escape.
Suction process: after exhaust, release the press head, the compressed spring is released, push the piston seat to move up, the gap between the piston seat and the piston closes, and push the piston and the compression rod to move up together. Lip balm is a personal care product, usually applied to the lips. Lip balm applied to the lips can effectively prevent dry lips from popping and flicking. The main ingredients of lip balm include beeswax, vaseline, menthol and camphor. In addition, current lip balm will add vitamins, salicylic acid and other ingredients to enhance its moisturizing function. The appearance of lip balm of general lip balm of lipstick tube is in lipstick similar, it is branch outfit shape, but the lip balm product of new fund of in recent years gets rid of the old and bring forth the new, have a part to use extrusion type design, have a part to need to besmear with the hand more on the lip. In the working room, the volume increases and the air pressure decreases, which makes the air pressure above the liquid level in the container open by the water stop valve to press the liquid into the pump body to complete the suction process.
Outlet process: same principle as exhaust process. The difference is, at this point, the pump body has been filled with liquid. When the head is pressed, on the one hand, the stop valve seals the upper end of the draw pipe to prevent the liquid from returning to the container from the draw pipe. On the other hand, because the liquid is being squeezed, the liquid will break the gap between the piston and the piston seat and flow into the compression tube. And out of the nozzle.
3. Atomization principle of spray pump
Because the nozzle is very small, if the pressure is smooth, when the liquid flows out of the hole, the liquid flow rate is very high, that is to say, the air at this time has a very large flow rate relative to the liquid, which is equivalent to the problem of high-speed airflow impact on water drops. Therefore, the subsequent atomization principle analysis is exactly the same as that of the ball-pressure nozzle. The air will impact the large water droplets into small ones, gradually refining the water droplets. At the same time, the high-speed liquid will also drive the flow of gas near the nozzle mouth, making the gas near the nozzle mouth have a higher velocity and a lower pressure, forming a local negative pressure zone. Thus, the surrounding air is mixed into the liquid to form a mixture of gas and liquid, and the liquid produces atomization effect.