Bus monitoring host with dustproof structure

The utility model discloses a bus monitoring host with a dustproof structure, and particularly relates to the technical field of bus monitoring hosts. The computer host comprises a bottom plate, a host body is placed on the upper surface of the bottom plate, a protection mechanism is arranged on the upper surface of the bottom plate and close to the host body, the protection mechanism comprises an inverted U-shaped protection frame, the host body is located on the inner wall of the protection frame, rectangular through grooves are formed in the two opposite sides of the inner wall of the protection frame, and the protection frame is arranged in the through grooves. A positioning plate is fixedly arranged in the through groove, and a horizontally and vertically arranged sliding groove is formed in the position, located in the protection frame, of the upper surface of the bottom plate. The rotating wheel drives the double-thread screw to rotate through the rotating shaft, so that the sliding blocks inserted int