CN2117913U

CN2117913U - Protective mouthpiece

Info

Publication number: CN2117913U
Application number: CN 92213624
Authority: CN
Inventors: 沈为民
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-04-14
Filing date: 1992-04-14
Publication date: 1992-10-07

Abstract

The utility model relates to a protective mouthpiece, tailored by gauze. The sandwich layer of a zipper seal is arranged at the nasal cavity position, and an active carbon filtration layer is arranged in the sandwich layer. The active carbon can be encapsulated in a nonwoven fabric pocket, and the active carbon can also be encapsulated with thin sponge moulding pression. The mouthpiece can not only prevent dust, but also can remove harmful gases through activated carbon adsorption, having the functions of deodorizing, removing abnormal flavour. The protective mouthpiece of the utility model can be used for various fields of chemical industry, environment sanitary, cooking, medical service, etc.

Description

Protective mouthpiece

The utility model is about a kind of protective mask.

Existing cotton cloth respirator has dustproof effect, can not prevent that pernicious gas from sucking human body, though breathing mask has the effect that prevents pernicious gas, but costs an arm and a leg, and complex structure, benzene weigh, and are not suitable for general workplace and use.

The purpose of this utility model provides a kind of simple in structure, easy to use, can prevent dust mouth mask that again can the filtering pernicious gas.

The utility model mouth mask is made by the several layers gauze and is formed, the position, oral cavity of mouth mask is provided with the interlayer with zip closure, be provided with activated carbon filter layer in the interlayer, this active carbon with the nonwoven pocket as carrier, be packaged in the bag equably, and active carbon in the bag is separated into several horizontal stripe shape intervals by suture, avoid active carbon to concentrate on the bottom of bag because of the gravity effect.

The utility model mouth mask had both had the dustproof effect of general cotton cloth respirator, can make pernicious gas pass through the active carbon filtering again, thereby can remove various stinks, peculiar smell, reach protective action, this Respirator structure is simple, easy to use, be suitable for multiple industry such as chemical industry, environmental sanitation, the catering trade and medical matters circle and use.

Below in conjunction with description of drawings structure of the present utility model.

Fig. 1 is the external form figure of the utility model mouth mask.

Fig. 2 is to be the front elevation of the activated carbon filter layer embodiment of carrier with the nonwoven.

Fig. 3 is the A-A profile of Fig. 2.

As Fig. 1, the utility model mouth mask is made by suture 4 by several layers gauze 5 and is formed, the both sides of mouth mask are provided with belt 3, be used for wearing fully fixing, mouth mask top and nasal cavity contact portion are made little lattice 2, slide fastener 1 is equipped with on little lattice top, form openable interlayer, the activated carbon filter layer of packing in the interlayer, active carbon is a carrier with the nonwoven pocket, as Fig. 2, Fig. 3, active carbon evenly is encapsulated in the nonwoven pocket 7, the about 0.5-0.6mm of charcoal layer 8 thickness, pocket 7 is made several transverse suture thread 6, and the charcoal layer is separated into not connected bar-shaped zone.

Activated carbon filter layer can slim sponge be a carrier also, and it is once horizontal molded to press the nose shape of face, uses more comfortable.

For adapting to the needs that some work field boundary closes, this mouth mask can adopt eye-catching colored gauze (as red, yellow, green isochrome) to make.

Claims

1, protective mask is made by the several layers gauze and to be formed, and it is characterized in that the nasal cavity position of this mouth mask is provided with the interlayer of zip closure, is provided with activated carbon filter layer in the interlayer.

2, as the described protective mask of above-mentioned claim 1, it is characterized in that active carbon is a carrier with the nonwoven pocket, active carbon evenly is packaged in this pocket, and is separated into several horizontal stripe shape intervals with suture.

3, as the described protective mask of above-mentioned claim 1, it is characterized in that active carbon is a carrier with slim sponge, it is once molding formed to press the nose shape of face.