Three-core female head female needle seat

The utility model relates to the field of waterproof joints, and particularly discloses a three-core female joint female needle seat, which comprises a female seat body. The external thread sleeve is fixedly connected with the female seat body; the at least three arc-shaped block bodies are mounted on one side, far away from the external thread sleeve, of the female seat body; the beneficial effects of the utility model are that: this device is reasonable in design, through the internal T-shaped arc groove of external arc-shaped block, realize the spacing fixation of male joint and female joint, and at the same time, be equipped with a plurality of elastic convex blocks outside the female needle body, realize the stable clamping connection of male needle body and female needle body. And the connecting stability and the sealing degree are improved, the defects of an existing device are overcome, and the device has high practicability and market prospects and is suitable for large-scale application and populari