Auxiliary sealing end cover of linear guide rail

The utility model discloses an auxiliary sealing end cover of a linear guide rail, which relates to the technical field of end covers and comprises two cover plates, a connecting frame is arranged on the outer walls of the opposite sides of the two cover plates, sealing gaskets are fixed on the outer walls of the two cover plates, an air extracting pump is mounted on the outer wall of the top of the connecting frame, and the air inlet end of the top of the air extracting pump is connected with an air inlet pipe. The bottom air outlet end of the air extracting pump is connected with an air outlet pipe, and an air blowing pipe is installed on the inner wall of the top of the connecting frame. One cover plate can be installed on the end face of the reverser, the dust prevention effect on the reverser is achieved, the space is reserved between the two cover plates, when the reverser moves on the track, air can be extracted from the outside and blown into the air outlet pipe and the air blowing pipe through an air