Gear upper shield

The utility model relates to the technical field of protective covers, in particular to a gear upper protective cover which comprises a protective cover body, a loom shell is installed on the rear side of the protective cover body, a cavity is formed in the inner side of the protective cover body, a groove is formed in the right side of the cavity, a heat dissipation plate is installed in the groove, a dustproof net is installed in the heat dissipation plate, and the dustproof net is installed in the groove. A cavity is formed in the top of the heat dissipation plate, a handle is installed in the cavity, a fixing column is installed on the rear side of the handle and in the cavity, the fixing column is sleeved with a first spring, a limiting sleeve is installed at the front end of the fixing column, a connecting rod is installed on the front face of the limiting sleeve, and a protruding block is installed at the top of the heat dissipation plate; compared with an existing gear upper protective cover, the gear