Protective cap for natural gas diffusing pipe

The utility model relates to the technical field of bleeder protective caps, in particular to a natural gas bleeder protective cap which comprises a main pipeline, a bleeder is arranged at the top end of the main pipeline, a protective cap body is arranged above the bleeder, a hydraulic cylinder is arranged at the bottom end in the protective cap body, and the bottom end of the hydraulic cylinder is connected with an abutting column. A clamping block is arranged at the bottom end of the abutting column, a check block is connected to the bottom end of the clamping block, a rubber pad is fixed to the bottom end of the check block, an annular barrel is arranged on the periphery of the rubber pad, a connecting column is arranged at the bottom end of the protective cap, an inner ring is arranged at the bottom end of the connecting column, a screen frame is arranged in the middle of the connecting column, and filter cotton is arranged in the screen frame. The filter cotton is arranged in the screen frame arranged a