Push-pull profile structure

The utility model discloses a push-pull sectional material structure. The device comprises a fixed frame and a sliding door, a clamping groove is formed in the inner side of the fixed frame; chutes are formed in the upper and lower ends of the fixed frame; a plurality of drain holes are formed in the bottom of the chute; at least two universal wheels are connected into the sliding groove in a sliding manner; the universal wheels are respectively connected with the upper and lower ends of the sliding door; the upper and lower ends of the sliding door are positioned on the sliding chute; the topof the sliding door is connected with a spindle; the top of the rotating shaft is connected with the sliding groove through a ball, anti-collision devices are arranged on the left side and the rightside of the sliding door respectively, each anti-collision device is composed of an anti-collision strip, an anti-collision groove and a damping spring, the damping springs are arranged in the anti-collision grooves, the two e