Waterproof linking device suitable for collection flow box

The utility model relates to a waterproof linking device suitable for collection flow box, including main go -between cover, its characteristics are: the one end of main go -between cover is connected with vice go -between, the main go -between and the vice same centre of a circle of go -between, and the diameter of main go -between is greater than vice go -between. Simultaneously, main go -between is provided with the contact lantern ring with combination department of vice go -between, is provided with anti -slip member on the contact lantern ring, main go -between and/or be that the inner wall of vice go -between distributes and has seal assembly. From this, through mutually supporting of main go -between and vice go -between, realize suitable guide and the allocation plan of wire rod. Through anti -slip member, can satisfy the needs that the location is connected to bare -handed or instrument. Rely on the existence of strengthening rib, promote the intensity of main go -between and vice go -between. And,