Abutting device for exhaling valve and respirator comprising abutting device

The utility model discloses an abutting device for an exhaling valve and a respirator comprising the abutting device. The abutting device comprises a circular mounting block, a plug nozzle, a nozzle fixing plate, and flexible nozzles, wherein the plug nozzle is fitted in the mounting block and is pluggable in relation to the mounting block, the plug nozzle is provided with a cavity and a gas passage inside, one side of the cavity is open, the gas passage is communicated with the cavity, the nozzle fixing plate is disposed on one side of the mounting block and is provided with a plurality of nozzle holes, and the flexible nozzles are fitted in the nozzle holes and communicated with the gas passage. The abutting device according to the embodiment has the advantages that through the use of the flexible nozzles in tight fit with the nozzle holes, tightness between the nozzle and the nozzle holes is improved; even when the plug nozzle swings a little, gas tightness of the abutting device is unaffected; accordingly