LED line lamp convenient for dust prevention

The utility model discloses an LED line lamp convenient to prevent dust. The lamp comprises a front end cover, a rear end cover and a lamp bar, a wall-mounted fixing piece is fixed on the bottom surface of one side of the front end cover; bolts are arranged at four corners of the side surfaces of the front end cover and the rear end cover; the front end cover and the rear end cover are fixedly connected with the two ends of the light bar through bolts. A plurality of lamp beads are arranged in the lamp bar; a sealing cover is arranged above the lamp bead; the sealing cover is fixedly connectedwith the top surface of the light bar; two pairs of dustproof grooves are symmetrically formed in the inner walls of the two sides of the light bar correspondingly. Two dust covers are arranged abovethe light bar; limiting strips are symmetrically fixed to the inner walls of the bottom faces of the two dustproof covers. The two dustproof covers are connected with the dustproof grooves in a clamped mode through limiting s