Filtering type fire-fighting self-rescue respirator with efficient filtering function for intelligent fire fighting

The utility model discloses an intelligent fire-fighting filtering type fire-fighting self-rescue respirator with high filtering efficiency, which comprises a head cover, a connecting mechanism and a limiting filtering mechanism, the connecting mechanism is arranged on the head cover, the limiting filtering mechanism is arranged on the head cover, the connecting mechanism comprises a neck sleeve, eye windows and an exhaust valve, and the neck sleeve is connected with the eye windows. The neck sleeve is installed at the bottom of the head cover and communicates with the head cover, the eye windows are formed in the front face of the head cover, and the exhaust valve is installed on the right side of the head cover and communicates with the head cover. Through mutual cooperation of the poison filtering shell, the air outlet, the filtering shell, a sealing plate, a positioning block, a positioning groove, an air inlet, a stopping block, a filtering net, a limiting block, a connecting block, a fixing bolt, a roll