Butting device for exhalation valve and breathing machine with butting device

The invention discloses a butting device for an exhalation valve and a breathing machine with the butting device. The butting device comprises an annular installation seat, a plugging nozzle, a gas nozzle fixing plate and flexible gas nozzles. The plugging nozzle is arranged in the installation seat in a matched mode and is pluggable relative to the installation seat, a cavity and a gas channel are formed in the plugging nozzle, one side of the cavity is open, and the gas channel is communicated with the cavity. The gas nozzle fixing plate is arranged on one side of the installation seat, and a plurality of gas nozzle insertion holes are formed in the gas nozzle fixing plate. The flexible gas nozzles are arranged in the gas nozzle insertion holes in a tight fit mode, and the flexible gas nozzles are communicated with the gas channel. According to the butting device for the exhalation valve, due to the fact that the flexible gas nozzles are formed and are in tight fit with the gas nozzle insertion holes, the s