Sliding door anti-collision device

The utility model provides an anti-collision device for a sliding door. The sliding door anti-collision device comprises a first door frame, a second door frame, a sliding device, a speed reducing device and a buckling device. The second door frame is provided with a first sliding groove and a second sliding groove. The first door frame is connected with the first sliding groove through the sliding device. The first door frame is connected with the second sliding groove through the speed reduction device. The buckling device is fixed on the second door frame; the speed reduction device is usedfor reducing the speed of the sliding door; the speed reducing device is connected with the buckling device; according to the sliding door provided with the sliding door anti-collision device, the problem that the door frame is impacted when the sliding door which moves rapidly is opened and closed can be effectively avoided, the service life of the sliding door is prolonged, and user experienceis greatly improved. 本实用新型