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Effect of pump head design on flow control of plastic lotion dispensers

2024.12.03

In the beauty, personal care and daily chemical industries, plastic lotion dispensers are an important part of product packaging, and the design of their pump heads has a crucial impact on flow control. Flow control is not only directly related to the user experience, but also has a profound impact on the stability, durability and market acceptance of the product.

Core elements of pump head design
The design of the pump head covers several key elements, including the shape of the pump head, internal structure, material selection, and sealing performance. These elements interact with each other to determine the mechanical properties of the pump head during operation, which in turn affects the stability and accuracy of the flow.
Pump head shape: The shape design of the pump head must fully consider ergonomics to ensure that the user can easily hold and apply appropriate pressure when using it. At the same time, the shape of the pump head must fit closely with the container mouth to prevent liquid leakage.
Internal structure: The internal structure of the pump head consists of key components such as pistons, springs, and valve cores. The design of these components directly affects the working efficiency of the pump head and the effect of flow control. For example, the stroke and diameter of the piston determine the amount of liquid released each time it is pressed, while the elasticity of the spring affects the mechanical response during pressing and releasing.
Material selection: The material of the pump head should have excellent corrosion resistance, aging resistance and wear resistance. Common materials include plastics such as ABS and PP, and metal materials such as stainless steel. The choice of materials not only affects the service life of the pump head, but also the safety and stability of the liquid.
Sealing performance: The sealing performance of the pump head is a key factor in ensuring the stability of flow control. Poor sealing may cause liquid leakage, thereby affecting the accuracy of flow control. Therefore, the design of the pump head must focus on the optimization of the sealing structure to improve its sealing performance.

The impact of pump head design on flow control
The impact of pump head design on the flow control of plastic emulsion dispensers is mainly reflected in the following aspects:
Flow stability: The rationality of the pump head design is directly related to the stability of the flow. Reasonable pump head design can ensure the consistency of the amount of liquid released each time it is pressed, thereby improving the stability of the flow.
Flow accuracy: The design of the internal structure of the pump head determines the accuracy of the flow. By adjusting the opening of the valve core or the stroke of the piston, the amount of liquid released each time it is pressed can be accurately controlled to meet the user's needs for flow accuracy.
Convenience of use: The design of the pump head also needs to consider the user's convenience of use. The shape and size of the pump head should match the user's holding habits to ensure that the user can easily press and release the pressure. At the same time, the operation of the pump head should be simple and clear to reduce the user's learning cost.
Durability: The durability of the pump head design directly affects the service life of the plastic lotion dispenser. Reasonable design can reduce the occurrence of faults such as wear and leakage, thereby improving the durability and reliability of the dispenser.

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