Electromagnetic valve switch of pipeline system

The utility model discloses a pipeline system solenoid valve switch which comprises a middle shell, a push rod, a rotary sliding gear and an iron core, a locking device is fixed in the middle shell, the push rod is arranged in the locking device, and the end portion of the push rod is connected with a second sawtooth-shaped clamping groove. The ball-point pen is designed according to the operating principle of the ball-point pen, the ball-point pen is manually pushed forwards by a human body to form switch control operation, the design adopts electromagnetism to form pushing force in the main body pipe, and particularly, an electromagnetic coil and an iron core are utilized to form a magnetic field in the middle shell, so that the iron core is stressed to push the switch to enable the ejector pin to move forwards; on-off control can be formed under the state that gas does not leak, the electromagnetic coil of 220 V can be turned on for the first time after being powered on for 0.01 second, and the electromagn