Fixed mask

Abstract

The invention provides a fixed mask and belongs to the technical field of masks. The fixed mask comprises a mask shell, a breath assisting system and the like. The breath assisting system is arranged on the mask shell. An air filter is arranged in the breath assisting system. Under the circumstance that normal breath is not influenced, filtered air flows from the outer portion of the mask to the inner portion of the mask in an accelerated mode through the breath assisting system and a user easily breathes the filtered and purified air.

Description

technical field [0001] The invention discloses a fixed mask, which belongs to the technical field of masks. [0002] Background technique [0003] China is the first country in the world to use masks. In ancient times, people in the court began to cover their mouths and noses with silk scarves in order to prevent dust and breath pollution. If the house is unclean, everyone will cover their noses and pass by." So masks began to appear in the Chinese court in the early 13th century. At the end of the 19th century, advocated by German pathologist Ledecchi, masks began to be used in the field of medical care. In the early 20th century, due to the large-scale influenza, masks became a must-have item for the public for the first time. In 2003, a "SARS" almost made masks out of stock for a time, and the use and popularization of masks reached a new climax. In 2009, after the "bird flu" in 2004, the "H1N1 influenza" made the mask army appear in front of the cameras of major ...

AI Technical Summary

Problems solved by technology

Fine particles may cause heart disease, lung disease, respiratory disease, and reduce lung function. Therefore, there is a very high risk for sensitive groups such as the elderly, children, and those who have already suffered from heart and lung diseases.

On the other hand, all masks currently on the market have air side leakage, that is, unfiltered air is directly inhaled by the user through the parts where the mask does not fit the user's face. Therefore, according to the current environmental conditions and the performance of the masks on the market Due to limitations, we urgently need a mask that has low breathing resistance, is comfortable to wear, prevents side leakage, is light in weight, hygienic to wear, easy to maintain, and can be suitable for different groups of people to wear in daily life.

Images