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Plastic foam pump head design considerations

Plastic foam pump head design considerations

  • Categories:NEWS
  • Author:
  • Origin:
  • Time of issue:2021-02-02
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(Summary description)The spray pump that can squeeze out foam is usually called Plastic foam pump head. Plastic foam pump head is used for the packaging of facial cleansers, care products and medicines.

Plastic foam pump head design considerations

(Summary description)The spray pump that can squeeze out foam is usually called Plastic foam pump head. Plastic foam pump head is used for the packaging of facial cleansers, care products and medicines.

  • Categories:NEWS
  • Author:
  • Origin:
  • Time of issue:2021-02-02 16:13
  • Views:
Information

The spray pump that can squeeze out foam is usually called Plastic foam pump head. Plastic foam pump head is used for the packaging of facial cleansers, care products and medicines. So, what are the characteristics of a good foam pump? First, the foam effect is good, and the foam that can be squeezed out is large and uniform. Secondly, foam pump extrusion is simple and convenient, extrusion is labor-saving, and there is no resistance during extrusion. Again, the foam pump has a beautiful style and gives a high-end impression.

 

Plastic foam pump head is the pressing head of the existing plastic pump heads, also called pressing nozzles or pressure nozzles. It is the final inlet and outlet of the immediately sprayed liquid. The main column of the plastic pump head: is a safe passage for the contents of the liquid to the outside and transports the liquid. The final safety channel, the plastic pump head lock cover, is the connection between the nozzle of the pump head and the pump body. The information requirements for the lock cover are very strict. It is also about the key to the leakage of the skin care product pump head. The plastic pump head is the connection between the pump head and the glass bottle, and it is linked with the bottle stopper to be undertaken. The piston rod of the plastic pump head: the main column and the auxiliary column. The life is the controller of the standard pressure of the liquid.

Principle of Plastic foam pump head:

 

Manually press the pressure handle downwards, the volume in the spring cavity decreases, and the pressure rises. The liquid enters the nozzle cavity through the hole of the valve core, and then sprays the liquid out through the nozzle. At this time, loosen the pressure handle and the pressure in the spring cavity The volume increases and negative pressure is formed. The sphere opens under the action of negative pressure, and the liquid in the bottle enters the spring cavity. At this time, there is a certain amount of liquid in the valve body. When the handle is pressed again, the liquid stored in the valve body will be Punch upwards, spray out through the nozzle;

 

Influencing factors of Plastic foam pump head:

 

The key to a good Plastic foam pump head is to pay special attention to the following places: 1. The glass ball or steel ball under the spring is very important to seal here, which is related to the force of the liquid in the spring cavity to push up, if there is leakage When the pressure handle is pressed, some of the liquid will leak into the bottle and affect the effect of the liquid spray; 2. It is the sealing ring at the upper end of the valve body. If there is leakage, the liquid will be pumped up when the pressure handle is released. The force bottom is reduced, and the amount of liquid stored in the valve body is small, which will also affect the spray effect; 3. The fit between the pressure handle and the valve core. If the fit here is loose and leaks, when the liquid rushes upwards There will be a certain resistance at the nozzle, and the liquid will flow back. If it leaks here, it will also affect the spray effect; 4. The design of the plastic foam pump nozzle and the nozzle design are directly related to the spray effect.

 

So when designing Plastic foam pump head, you need to pay attention to the above matters.

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