Three-way pipe joint structure with leak-proof function

The utility model discloses a three-way pipe joint structure with an anti-leakage function, which comprises a three-way valve body, a three-way pipe joint, an anti-leakage pipe joint and an anti-leakage pipe joint, the adapter is used for connecting the three-way valve body with a conveying pipeline, and the adapter is in threaded connection with the top of the inner wall of the three-way valve body; the three-way pipe joint structure further comprises an adjusting mechanism used for blocking fluid, and relates to the technical field of three-way pipes. According to the device, by arranging the adjusting mechanism, when the two through holes formed in the surface of the valve element are communicated with the interior of the three-way valve body, the adapter can be detached and directly replaced, when a water pipe connected to the two connectors at the bottom of the three-way pipe needs to be replaced, a rotary knob needs to be rotated by 90 degrees when a limiting ring is located in a limiting groove, and th