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2023
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03
Connecting principle of pneumatic quick coupling
Under the action of pneumatic pressure, the circumferential expansion generated by the inclined sealing ring of the pipe joint during the forward movement of the movable sleeve enables the sealing components located inside the joint to closely adhere to the pipe wall, and forms a large friction force between the pipe wall and the joint, preventing the joint from rushing out due to the use of pressure, thereby achieving rapid connection of the pipe. This connection can also be understood as a complete process of forming a tight connection structure on the pipe surface under the vertical component of the expansion force of the sealing ring, achieving sealing and connection.
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