CN214912796U - Transparent closed gas mask - Google Patents

Abstract

The utility model discloses a transparent closed gas mask, including transparent gauze mask and fixed band, transparent gauze mask's both sides all are connected with the mount pad to connect the activated carbon box in the outside of mount pad, activated carbon filter cloth and melt-spray cloth have been placed to the inside of activated carbon box, and melt-spray cloth and lie in the outside of activated carbon filter cloth, air inlet grille is installed in the outside of activated carbon box. The utility model discloses a transparent closed gas mask, through adopting the gill design, let the air current flow in the activated carbon box, and set up activated carbon cloth and melt-blown cloth at the activated carbon box, make PM2.5 adsorbed by the activated carbon, the bacterium is adsorbed by the melt-blown cloth, increase the air intake area as far as possible, let breathe in more easily; through set up the buckle on air-inlet grille and activated carbon box, the convenience is changed activated carbon cloth and melt-blown cloth, and secondly the gauze mask adopts transparent material to make, and speech accessible breather valve and air inlet chamber are propagated away, realize barrier-free communication.

Description

Transparent closed gas mask

Technical Field

The utility model relates to the technical field of masks, in particular to a transparent closed gas mask.

Background

The gas mask is a special labor protection product for protecting the respiratory system of people, generally consists of a gas filter box or a gas filter tank and a mask main body, but with the development of science and technology, the requirements of people on the gas mask are higher and higher, so that the traditional gas mask cannot meet the use requirements of people;

at present, current gas mask is when using, mostly is disposable, can't change, and the inside melt-blown cloth of gauze mask is after using a period, and its surface absorbs a large amount of moisture easily, leads to the filter effect decline of melt-blown cloth simultaneously, and secondly, current gas mask all adopts opaque material to make, leads to the deaf-mute, can't see user's mouth type clearly, influences user's result of use, for this reason, we propose a transparent sealed gas mask.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a transparent sealed gas mask, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a transparent closed gas mask comprises a transparent mask and a fixing band connected to the rear end of the transparent mask, wherein both sides of the transparent mask are connected with mounting seats, and the outer sides of the mounting seats are connected with activated carbon boxes, wherein,

activated carbon filter cloth and melt-blown fabric have been placed to the inside of activated carbon box, and melt-blown fabric is located the outside of activated carbon filter cloth, the air-inlet grille who is used for restricting activated carbon filter cloth and melt-blown fabric home range is installed in the outside of activated carbon box.

Preferably, both ends of the fixing band are respectively connected with both sides of the transparent mask.

Preferably, a sealing strip attached to the edge of the transparent mask is bonded to the inner side of the transparent mask.

Preferably, the bottom of the transparent mask is provided with a breathing valve, and the outside of the breathing valve is connected with a breathing valve cover.

Preferably, the upper side and the lower side of the activated carbon box and the upper side and the lower side of the air inlet grille are both provided with buckles, the activated carbon box is correspondingly clamped with the buckling grooves formed in the upper side and the lower side of the mounting seat through the buckles, and the air inlet grille is correspondingly clamped with the buckling grooves formed in the upper side and the lower side of the activated carbon box through the buckles.

Preferably, air inlet holes are uniformly distributed on the outer part of the air inlet grille.

Compared with the prior art, the utility model discloses following beneficial effect has:

by adopting the gill design, airflow flows into the activated carbon box, and the activated carbon box is provided with the activated carbon cloth and the melt-blown cloth, so that PM2.5 is adsorbed by the activated carbon, bacteria are adsorbed by the melt-blown cloth, the air inlet area is increased as much as possible, and air suction is easier; through set up the buckle on air-inlet grille and activated carbon box, the convenience is changed activated carbon cloth and melt-blown cloth, and secondly the gauze mask adopts transparent material to make, and speech accessible breather valve and air inlet chamber are propagated away, realize barrier-free communication.

Drawings

FIG. 1 is a front overall view of the transparent sealed gas mask of the present invention;

FIG. 2 is an exploded view of the entire structure of a transparent sealed gas mask of the present invention;

fig. 3 is a back structure view of a transparent mask of the sealed gas mask of the present invention.

In the figure: 1. a transparent mask; 2. fixing belts; 3. a mounting seat; 4. a breathing valve; 5. a breather valve cover; 6. an activated carbon cartridge; 7. activated carbon filter cloth; 8. melt-spraying cloth; 9. an air intake grille.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 3, a transparent closed gas mask comprises a transparent mask 1 and a fixing band 2 connected to the rear end of the transparent mask 1, wherein both sides of the transparent mask 1 are connected with mounting seats 3, and the outer sides of the mounting seats 3 are connected with an activated carbon box 6,

activated carbon filter cloth 7 and melt-blown cloth 8 have been placed to activated carbon box 6's inside, and melt-blown cloth 8 is located activated carbon filter cloth 7's the outside, and activated carbon box 6's the outside is installed and is used for restricting activated carbon filter cloth 7 and melt-blown cloth 8 home range's air inlet grille 9.

Referring to fig. 1, two ends of a fixing band 2 are respectively connected with two sides of a transparent mask 1, and the fixing band 2 is an elastic band.

Referring to fig. 1 and 3, the sealing strip of laminating rather than the edge is bonded to the inboard of see-through mask 1, and see-through mask 1 adopts transparent PC or PET, and the colour is transparent, and the sealing strip adopts TPE or silica gel, and the softness is sealed, wears comfortablely.

Referring to fig. 1 and 2, a breathing valve 4 is installed at the bottom of the transparent mask 1, a breathing valve cover 5 is connected to the outside of the breathing valve 4, and the breathing valve 4 is made of a silica gel material.

Referring to fig. 2, the upper and lower sides of the activated carbon box 6 and the upper and lower sides of the air inlet grille 9 are provided with fasteners, the activated carbon box 6 is correspondingly fastened with the fastening grooves formed in the upper and lower sides of the mounting seat 3 through the fasteners, and the air inlet grille 9 is correspondingly fastened with the fastening grooves formed in the upper and lower sides of the activated carbon box 6 through the fasteners.

Referring to fig. 2 and 3, the air inlet holes are uniformly distributed on the outside of the air inlet grill 9.

Before using, cover the outside of user's mouth and nose with see-through mask 1 earlier, later will connect the fixed band 2 in the see-through mask 1 outside, the cover is at user's head for see-through mask 1 and user's facial laminating.

When breathing in, the inside negative pressure that produces of gauze mask 1, 1 outside breather valve 4 of gauze mask closes, the air is from the air-inlet grille 9 of 1 both sides of gauze mask, enter into activated carbon box 6, when the air passes through activated carbon box 6, the air contacts with 6 inside activated carbon filter cloth 7 of activated carbon box and melt-blown cloth 8, wherein, activated carbon filter cloth 7 can filter dust and the poison gas in the air, during the expiration, 1 inside atmospheric pressure increase of gauze mask, breather valve 4 opens, the air of user's exhalation is through breather valve 4 discharges.

When needs are changed activated carbon box 6, open through the manual buckle in the 6 outsides of activated carbon box, make activated carbon box 6 take off from the outside of mount pad 3, after the completion, 6 lids new activated carbon box on mount pad 3 again, make the buckle card of the upper and lower both sides of activated carbon box 6 go into the catching groove on mount pad 3, activated carbon box 6 links together with mount pad 3, can take off the outside air inlet grille 9 of activated carbon box 6 with the same reason, thereby alright change with activated carbon filter cloth 7 and melt-blown cloth 8 inside activated carbon box 6, reduce the degree of difficulty that activated carbon filter cloth 7 and melt-blown cloth 8 changed.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a transparent closed gas mask, includes transparent mask (1) and connects fixed band (2) in transparent mask (1) rear end, its characterized in that: the two sides of the transparent mask (1) are both connected with mounting seats (3), and the outer side of the mounting seats (3) is connected with an activated carbon box (6), wherein,

activated carbon filter cloth (7) and melt-blown cloth (8) have been placed to the inside of activated carbon box (6), and melt-blown cloth (8) are located the outside of activated carbon filter cloth (7), air-inlet grille (9) that are used for restricting activated carbon filter cloth (7) and melt-blown cloth (8) home range are installed to the outside of activated carbon box (6).

2. The see-through closed respirator of claim 1, wherein: two ends of the fixing band (2) are respectively connected with two sides of the transparent mask (1).

3. The see-through closed respirator of claim 1, wherein: and a sealing strip attached to the edge of the transparent mask (1) is bonded to the inner side of the transparent mask.

4. The see-through closed respirator of claim 1, wherein: the bottom of the transparent mask (1) is provided with a breathing valve (4), and the outside of the breathing valve (4) is connected with a breathing valve cover (5).

5. The see-through closed respirator of claim 1, wherein: the upper and lower both sides of activated carbon box (6) and the upper and lower both sides of air-intake grille (9) all are equipped with the buckle, and activated carbon box (6) correspond the block through buckle and the catching groove of seting up in both sides about mount pad (3), air-intake grille (9) correspond the block through buckle and the catching groove of seting up in both sides about activated carbon box (6).

6. The see-through closed respirator of claim 1, wherein: and air inlets are uniformly distributed on the outer part of the air inlet grille (9).

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