Structural design of plastic solenoid valves
The structural design of plastic solenoid valves usually includes the following main parts:
**Valve body**: Generally made of plastic, it is the main structure of the solenoid valve and provides a channel for the fluid.
**Spool**: A movable part that controls the on and off of the fluid through its position change.
**Spring**: Used to push or reset the spool to achieve the normal working state switching of the solenoid valve.
**Electromagnetic coil**: Generates a magnetic field, which can drive the spool to move when energized.
**Sealing element**: Usually made of special plastic or rubber materials to ensure that the fluid does not leak.
In the specific design, the following aspects need to be considered:
**Flow channel design**: Ensure smooth fluid flow and reduce resistance and pressure loss.
**Fit between the spool and the valve seat**: Achieve a good sealing effect while ensuring the flexibility and reliability of the action.
**Layout of the electromagnetic coil**: It should be convenient for installation and wiring, and at the same time can effectively generate a magnetic field to drive the spool.
**Sealing structure design**: Make the sealing reliable and able to work stably for a long time, and adapt to different pressure and temperature conditions.
**Overall size and shape**: Optimize according to the installation space and application requirements to be compact and efficient.
**Connection mode design**: Such as flange connection, threaded connection, etc., to facilitate connection with the pipeline system.
**Pilot hole design**: Reasonably design the size, shape and position of the pilot hole to ensure the normal control of the fluid and prevent clogging.
There will be some differences in the structural design of different types and uses of plastic solenoid valves, but generally they all focus on achieving good control functions, sealing performance and adapting to various working conditions.
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