Positioning plate and infusion port

The utility model discloses a locating plate and an infusion port, the locating plate comprises a base plate body and a connecting body, the base plate body is provided with a first end face and a second end face, and the first end face and the second end face are oppositely arranged; the connecting body is formed on the outer edge of the first end face, a limiting structure is arranged on the connecting body, and the limiting structure is provided with a limiting end face suitable for limiting relative sliding of the base plate body and the port base. According to the positioning plate of the structure, under driving of external force, the limiting structure on the connecting body abuts against the port base, the limiting structure is located between the connecting body and the port base, the connecting body is connected to the port base in a limited mode through the limiting end face of the limiting structure, and relative sliding of the base plate body and the port base is limited; the first end face of th