Novel cooling fan

The utility model relates to the technical field of cooling fans, in particular to a novel cooling fan. Comprising a shell, a cavity is formed in the shell, a motor is arranged in the cavity, a cooling fan is arranged at the output end of the motor, mounting grooves are formed in the top end and the bottom end in the shell, dustproof nets are mounted at the mounting grooves, limiting assemblies are arranged on the two sides of each mounting groove, and each limiting assembly comprises a pull rod, a fixing groove, a guide rod, a limiting block and a spring. The utility model aims to solve the technical problems of poor heat dissipation effect and poor practicability, and provides the novel heat dissipation fan which is simple in structure and easy to clean the dustproof net. 本实用新型涉及散热风扇技术领域，具体是指一种新型散热风扇。包括壳体，壳体内有空腔，空腔内有电机，电机的输出端有散热扇，壳体内顶端和底端均有安装槽，安装槽处安装有防尘网，安装槽两侧均有限位组件，限位组件包括拉杆、固定槽、导向杆、限位块、弹簧。本实用新型要解决散热效果差、实用性差的技术问题，提供一种结构简单、易清理防尘网的新型散热风扇。