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How does the Foam pump head work?

How does the Foam pump head work?

(Summary description)Foam pump head is a product that we often see and use in our lives, so what is the working principle of Foam pump head?

How does the Foam pump head work?

(Summary description)Foam pump head is a product that we often see and use in our lives, so what is the working principle of Foam pump head?

Information

Foam pump head is a product that we often see and use in our lives, so what is the working principle of Foam pump head?

Since the outbreak of the new crown pneumonia epidemic, we have often heard slogans such as "wash your hands frequently, ventilate frequently, wash your hands with running water, soap or disinfectant hand sanitizer, for no less than 20 seconds". Although soap can play the role of sterilization and decontamination, with the improvement of people's living standards, people have replaced soap with hand sanitizer in real life. Hand sanitizer is a kind of skin care cleanser that mainly cleans hands. Some specific ingredients can play a role in disinfection and sterilization. In order to facilitate storage and use, it is usually installed on the lid of the hand sanitizer bottle or hand sanitizer box. pump head, press the pump head to push the hand sanitizer out of the bottle.

 

In daily life, we only know that the hand sanitizer is pressed out by pressing the Foam pump head, but we have not carefully studied how to press the pump head to press out the hand sanitizer in the hand sanitizer bottle. Based on this situation, we retrieved some relevant content. Next, we will analyze the working principle of Foam pump head.

 

The working principle of the Foam pump head is the same as that of the piston pump. It also uses the movement of the piston and the opening of the single-phase valve to close and discharge the air in the liquid barrel to cause internal and external pressure rubbing, so that the liquid rises under the action of atmospheric pressure, from the outlet pipe There is a push-type liquid suction mechanism in the discharge hand sanitizer bottle. The Foam pump head is mainly composed of a catheter, a radial leaf ball valve, a spring yellow, a hollow plunger, a piston, a liquid outlet tube, and a barrel liquid. When the liquid is pressed down by hand, the pressure in the liquid in the barrel was large, the spring was compressed and the leaf stem valve was closed. At the same time, because the piston moved downward, the liquid outlet hole on the hollow plunger was opened to remove the liquid. The liquid in the hole flows out of the liquid removal pipe from the liquid removal hole. When the hand is released, the yellow spring recovers, causing the piston to move upward and the pressure in the liquid removal barrel is reduced, and the liquid removal hole on the hollow plunger is closed. , The leaf stem valve is opened, and under the action of atmospheric pressure, the liquid enters the liquid removal tank from the catheter through the leaf stem valve. In this way, the piston reciprocates up and down in the barrel and continuously sucks the liquid out of the bottle.

 

Foam pump head mainly uses negative pressure to suck out the hand sanitizer from the bottle. The foam-type hand sanitizer further uses the foaming net installed in the pressing Foam pump head to form a rich foam when the hand sanitizer is sucked out. , But no matter what kind of structure is used to achieve the pressing liquid of hand sanitizer, it is necessary to use the correct hand washing method to achieve the sterilization effect. Finally, once again remind everyone to wash hands with running water, soap or disinfectant hand sanitizer , The time is not less than 20 seconds.

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