Self-rescue anti-asphyxiation device

Abstract

The present invention discloses a self-rescue anti-asphyxiation device, including a suction main body and a mask, where the suction main body includes a cylinder body and a cover body which are hermetically connected, the cylinder body includes a cylinder shell having an elastic folding capability, a suction chamber is formed between the cylinder body and the cover body, the cover body is provided with a suction pipe and an exhaust hole which are communicated with the suction chamber, the cover body is provided with a one-way exhaust valve corresponding to the exhaust hole, the exhaust hole and the one-way exhaust valve are arranged on an end face of one side of the cover body far away from the cylinder body, and the suction pipe is integrally arranged on a side wall of the cover body; and the mask is provided with a connecting sleeve, the connecting sleeve is fixedly connected with the suction pipe in an inserting manner, the mask is provided with a suction hole communicated with an inner cavity of the connecting sleeve in a penetrating manner, and the mask is provided with a one-way suction valve corresponding to the suction hole. The device has the effects that a user can conveniently observe the real-time working condition of the one-way exhaust valve, the one-way exhaust valve can be conveniently and quickly replaced or cleaned, and the space occupied when the device is stored is reduced.

Dependencies are inferred from the claim text.