Mask with replaceable plant filter

Mask with replaceable plant filter

The mask comprises a mask body, two hanging ropes are arranged on the side wall of the mask body, a nose bridge strip is fixedly connected to the side wall of the mask body, an opening is formed in the side wall of the mask body in a penetrating mode, an annular plate is fixedly connected to the inn...

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1. Verfasser: LIU HANJI
Format: Patent
Sprache:chi ; eng
Schlagworte:
ACCESSORIES
DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
FIRE-FIGHTING
HUMAN NECESSITIES
LIFE-SAVING
OUTERWEAR
PROTECTIVE GARMENTS
WEARING APPAREL
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creator LIU HANJI
description The mask comprises a mask body, two hanging ropes are arranged on the side wall of the mask body, a nose bridge strip is fixedly connected to the side wall of the mask body, an opening is formed in the side wall of the mask body in a penetrating mode, an annular plate is fixedly connected to the inner wall of the opening, a groove is formed in the side wall of the annular plate, and the nose bridge strip is fixedly connected to the inner wall of the annular plate. A groove is formed in the annular plate, a filter piece is arranged in the groove, a pressing plate is arranged in the groove, a plurality of air holes are formed in the side wall of the pressing plate in a penetrating mode, and the pressing plate and the annular plate are jointly provided with a limiting mechanism used for fixing the pressing plate. According to the mask, people can replace the filter pieces conveniently, the filtering effect of the mask is guaranteed, operation is easy, air can be prevented from leaking from the connecting positio
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A groove is formed in the annular plate, a filter piece is arranged in the groove, a pressing plate is arranged in the groove, a plurality of air holes are formed in the side wall of the pressing plate in a penetrating mode, and the pressing plate and the annular plate are jointly provided with a limiting mechanism used for fixing the pressing plate. 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A groove is formed in the annular plate, a filter piece is arranged in the groove, a pressing plate is arranged in the groove, a plurality of air holes are formed in the side wall of the pressing plate in a penetrating mode, and the pressing plate and the annular plate are jointly provided with a limiting mechanism used for fixing the pressing plate. 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language chi ; eng
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subjects ACCESSORIES
DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
FIRE-FIGHTING
HUMAN NECESSITIES
LIFE-SAVING
OUTERWEAR
PROTECTIVE GARMENTS
WEARING APPAREL
title Mask with replaceable plant filter
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