Connecting structure of split type brake filter

A connecting structure of a split type brake filter comprises a first filter shell and a second filter shell, filter screens are arranged on the first filter shell and the second filter shell, a first protruding block is arranged on the first filter shell, a first limiting groove is formed in the second filter shell, and a second protruding block is arranged in the first limiting groove. The first protruding blocks are matched with the first limiting grooves in shape and size, the first protruding blocks are in an arc shape, the width of the ends, close to the first filter shell, of the first protruding blocks is smaller than that of the ends, away from the first filter shell, of the first protruding blocks, and the number of the first protruding blocks is two, and the number of the first limiting grooves is two. When the first filter shell and the second filter shell are assembled together, the positions of the two first protruding blocks correspond to the positions of the two first limiting grooves respecti