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The hydraulic quick coupler is a connector in which the material of the female connector is chrome-plated steel, and the locking sleeve of the male connector and the female connector is hardened. Hydraulic quick connectors are designed for special heavy loads. The material of the female connector is chrome-plated steel. The lock sleeves of the male connector and the female connector are hardened, with good pressure resistance and fatigue resistance. lock function.
This kind of joint is a joint that does not require the use of tools and can realize the rapid assembly and disassembly of the pipeline. It has two structures: open and closed with both ends and open at both ends.
The open-close quick connector at both ends consists of a joint body, a check valve spool, a jacket, a steel ball, a spring, and a seal.
composition, etc. There is a one-way valve in the inner cavity of the joint body. When the two joint bodies are separated, the valve core of the one-way valve stretches out under the action of their respective springs and presses on the conical hole of the joint body to close the passage. , the oil in the pipes on both sides is enclosed in the pipes and cannot flow out: when the two joint bodies are connected, the two push rods at the front end of the one-way valve spool collide, forcing the spool to leave the conical hole of the joint body, so that the two pipes in the two sides of the pipe are connected. The oil is connected, and the two joint bodies are locked with steel balls. When working, the outer sleeve presses the steel balls in the U-shaped groove of the joint body under the action of the spring to connect the joint bodies.
This kind of joint is easy to disassemble, but the structure is complex and the local resistance loss is large. It is suitable for oil,
Gas-medium piping system.
The difference between the open-ended quick connector at both ends and the open-closed type at both ends are that there is no single cavity in the connector body.
To the valve, when the two joint bodies are separated, the passage cannot be closed. One end of the joint is connected with the rubber tube by a three-lobed rubber tube joint, and the joint core of the rubber tube joint is directly inserted into the quick joint.
