Emergent safety helmet

The utility model discloses an enough emergent oxygen suppliment has the emergent safety helmet of initiative safeguard function, solves from the discovery dangerous situation to having worn compressed oxygen self -rescuer or having got into the save oneself problem of the time difference of process existence of wind self -rescuer of pressing. Emergent safety helmet includes cap shell, hat lining, be equipped with compressed oxygen storage device between cap shell and the hat lining, be equipped with the pull ring switch that is used for opening compressed oxygen storage device on the compressed oxygen storage device, cap shell lower part is equipped with foldable isolation face guard, the isolation face guard is cylindricly under the open mode, and the part of keeping apart the corresponding human face of face guard adopts the transparent plastic preparation, and the lower limb of keeping apart the face guard sets up the rubber band for tighten up and keep apart the face guard lower extreme, make face guard