Abstract: The present utility model discloses a fan group with a magnetic-type clamping connection module; the fan group comprises a housing and a connection module, wherein the outer wall of the said housing is arranged with four splicing sides, and the connecting end between two splicing sides is arranged with a concave locating groove, the upper and lower ends of the inner side of a locating groove are symmetrically arranged with stepped grooves, the connection module is arranged with a second magnetic member that matches the first magnetic member, the said connection module is arranged with stepped parts that fit the stepped grooves, and the walls of the base are arranged with second electrical connecting parts that fit the first electrical connecting parts. The combination of the first magnetic member and the second magnetic member makes it more convenient to combine or disassemble two fans.

Abstract: The present utility model discloses a modular magnetic-type fan convenient for installation, which comprises a housing, a magnetic-type structure and an electrical-connection structure; the housing is surrounded by a plurality of side frames; the magnetic-type structure comprises a first magnetic part and a second magnetic part arranged on both side frames; the electrical-connection structure comprises a first electrical-connection part and a second electrical-connection part arranged on two side frames; the users can splice fans in accordance with their actual needs make the fan combinations more convenient and avoid messy electrical connection.

Abstract: A cooling fan, having a base, a fan, a light-guiding circle and a PCB light ring; the base has a cylindrical receiving space in the middle thereof, one end surface of the base has a pivot bracket, the fan is mounted on the pivot bracket and provided in the cylindrical receiving space; the base is provided thereon with an annular groove body surrounding the cylindrical receiving space, the depth direction of the annular groove body is the axial direction of the cylindrical receiving space, the width direction of the annular groove body is the radial direction of the cylindrical receiving space, the light-guiding circle and the PCB light ring are relatively fixed and mounted in the annular groove body. The PCB light ring is mounted in the annular groove body. The light emitted from the PCB light ring may penetrate the light-guiding circle and spread about.