Simple respirator
The invention relates to the technical field of suffocation first-aid devices, in particular to a simple respirator. Comprising an annular handle pull ring, a mounting groove is formed in the center of the lower side of the annular handle pull ring, a vent hole is formed in the upper side of the mou...
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Main Authors | , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
07.06.2024
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Subjects | |
Online Access | Get full text |
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Summary: | The invention relates to the technical field of suffocation first-aid devices, in particular to a simple respirator. Comprising an annular handle pull ring, a mounting groove is formed in the center of the lower side of the annular handle pull ring, a vent hole is formed in the upper side of the mounting groove, a small one-way valve is arranged in the middle of the mounting groove, and an annular clamping groove is formed in the lower side of the mounting groove; a disc-shaped upper base is arranged in an inner cavity of the lower end of the organ body, an annular sealing ring is arranged on the lower side of the upper base, a through hole is formed in the center of the upper base, a large one-way valve is sleeved with the through hole, a disc-shaped lower base is arranged below the organ body, a downward ventilation pipe is arranged in the middle of the lower base, and the upper base and the lower base are connected and fastened through self-tapping screws. And the breather pipe of the lower base is inserte |
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Bibliography: | Application Number: CN202410383607 |