Low-noise fan with damping function

The utility model discloses a low-noise fan with a damping function, which relates to the technical field of heat dissipation and cooling equipment and comprises a fixed block, a flange, a movable slide block, a reset spring, a displacement slide block, a connecting column, a lantern ring, a guide rod, a movable groove, a slide rod, a buffer gasket, a piston, an annular air delivery pipe, a limiting block, a trapezoidal slide block, a connecting rod, a pressure spring and a pull ring. By arranging the buffer gasket, the movable sliding block and the lantern ring, the comprehensive buffering and damping effect is achieved, vibration caused by equipment movement can be greatly reduced in the vertical direction and the horizontal direction, noise caused by the vibration is further reduced, the situation that cows are irritable and uncomfortable due to the noise is avoided, the using effect is improved, and the service life of the cows is prolonged. And a trapezoidal sliding block, a connecting rod, a compression