JP2009247735A - Dust-proof mask - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dust-proof mask being used semipermanently, allowing a wearer to easily breathe and talk, having an improved wearing property, adhesion property and dust-proof effect, and allowing a user to breathe any harmful air after it is filtered. <P>SOLUTION: This dust-proof mask includes: adhesion pieces disposed at inner edges of a mask body; a fixing frame forming an exhaust space provided at an inside central part of the mask body; a plurality of exhaust ports formed in both side front faces of the exhaust space; an exhaust panel fixed by being fitted into the fixing frame and having a plurality of outlets; a plurality of shutoff films being opened only at expirations; filter covers integrally formed with the mask body on both sides of the mask body; detachable filter cases connected to the filter covers; and dust-proof nonwoven fabrics, carbon filters, antibacterial silver nanofilters, and dust-proof nonwoven fabrics which are sequentially incorporated in the filter cases. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a dust mask. More specifically, it can be used semipermanently, can breathe and talk easily and smoothly, blocks the inflow of harmful substances contained in the outside air into the nostrils, and damps the mask and glasses during breathing. The present invention relates to a dust mask capable of preventing the accumulation of dust, improving the wearing comfort, adhesion and dust-proofing effect, and filtering and breathing all harmful substances in the outside air.

  In general, a lot of dust is generated in working environments such as paper mills, textile mills and quarries, and a lot of toxic gases are generated in the working environments of chemical processing plants, metal processing plants such as welding, smelting or plating. To do. In recent years, harmful dust such as yellow sand is frequently increased in normal living environments such as subways and roads.

  Inhaling dust, yellow sand, or harmful dust can cause fatal disease in the lungs and cause asthma, etc., preventing dust and harmful substances from entering the respiratory tract at industrial sites. In order to protect their health in a harmful environment, they will wear a dust mask.

  Recently, hemispherical dust-proof filter paper that is simple, light, and relatively inexpensive and can be used once or repeatedly, can be used in a work environment where dust is generated. Masks are often used.

  As shown in FIG. 1, these conventional dust masks include a mask body 1 made of a nonwoven fabric having a filtering function and a hemispherical curved surface that can cover the mouth and nose, and the outside of the mask body 1. Adhering to the upper part and adhering to the inner upper part of the mask main body 1 and the shape adjusting material 2 that arbitrarily deforms the shape by an external force so that the mask main body 1 adheres along the outline of the nose, the gap is blocked. For this purpose, the sponge 3 is in contact with the nose muscles, and the hanging band 4 is connected to both sides of the mask body 1 and is elastically fixed to the head or ear.

  However, these conventional dust masks have problems in terms of hygiene when the dust masks once used are washed and reused, and there is a large cost loss when they are used only once as disposables. was there. That is, since the conventional dust mask cannot be used semi-permanently for a long period of time, there is a problem in its economic efficiency.

  Further, in the conventional dust mask, since the mask main body 1 having a filtration function is made of a high density double and triple nonwoven fabric, the ventilation resistance is structurally high, and it is difficult to breathe and to speak. In particular, there is a problem that when the filtered dust accumulates on the mask body 1 as time passes after wearing, it becomes more difficult to breathe.

  In addition, since the conventional dust mask is structurally not completely in close contact with the nose portion of the person wearing the mask body 1 and there is a gap on both sides of the nose portion, dust and harmful substances flow from this gap, There was a problem that the dustproof effect fell. In particular, in the conventional dust mask, air cannot be selected and inhaled, and unpurified air that has flowed in through the gap is directly inhaled.

  In addition, when working with a conventional dust mask, when the eyeglasses are worn, the humidity rises from the inside of the mask body 1 when breathing, and the mask and the eyeglasses accumulate moisture. There was a problem that the work was inconvenient because the glasses were cloudy and the field of view was blocked.

  The present invention has been made in view of the above-mentioned conventional problems, and can be used semi-permanently for a long period of time, not disposable, can breathe comfortably in a worn state, and can talk smoothly. It is possible to prevent the inflow of dust and harmful substances contained in the outside air by completely adhering so that not only the nose part but also the entire gap does not occur. An object of the present invention is to provide a dust mask that prevents moisture from being accumulated in eyeglasses, improves overall wearing comfort, adhesion, and dustproof effect, and can breathe by selecting only clean air.

  The protective mask of the present invention is made in order to achieve the above object, and includes a mask body 10 and a hemispherical curved surface covering the mouth and nose, which includes a wearing band 20 connected to both ends of the mask body 10. A contact mask 11 disposed at an inner edge of the mask main body 10, and a fixed frame 13 that forms an exhaust space 12 provided in an inner central portion of the mask main body 10. A plurality of exhaust ports 14 formed on the front surfaces on both sides of the exhaust space 12, an exhaust panel 30 fitted and fixed to the fixed frame 13 and having a plurality of discharge ports 31, and disposed on the front surface of the discharge ports 31. A plurality of blocking films 40 that are opened only when exhaling, filter covers 50 formed integrally with the mask body on both sides of the mask body 10, and the filter A removable filter case 60 coupled to the cover 50, and a dustproof nonwoven fabric 70, a carbon filter 80, an antibacterial silver nanofilter 90, and a dustproof nonwoven fabric 100, which are sequentially incorporated in the filter case 60, To do.

  The dust mask of the present invention is not disposable but can be used semipermanently for a long time, can breathe comfortably in a worn state, can talk smoothly, and not only the nose part but the whole By completely adhering so that no gap is generated, it is possible to completely block the inflow of dust and harmful substances contained in the outside air and prevent moisture from being accumulated in the mask and glasses during breathing. Overall, the wearing comfort, adhesion and dustproof effect can be greatly improved.

  Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

  As shown in FIGS. 2 and 11b, the dust mask in one embodiment of the present invention is connected to a mask body 10 formed of a hemispherical curved surface covering the mouth and nose, and to both ends of the mask body 10. A wearing band 20, a contact piece 11 disposed at an inner edge of the mask body 10, and a fixed frame 13 that forms an exhaust space 12 provided at an inner central portion of the mask body 10. A plurality of exhaust ports 14 formed on the front surfaces on both sides of the exhaust space 12, an exhaust panel 30 fitted and fixed to the fixed frame 13 and having a plurality of discharge ports 31, and disposed on the front surface of the discharge ports 31. A plurality of blocking films 40 that are opened only when exhaling, filter covers 50 formed integrally with the mask body on both sides of the mask body 10, and the filter A removable filter case 60 coupled to the cover 50, and a dustproof nonwoven fabric 70, a carbon filter 80, an antibacterial silver nanofilter 90, and a dustproof nonwoven fabric 100, which are sequentially incorporated in the filter case 60, To do.

  The mask body 10 is formed as a hemispherical curved surface so as to cover the mouth and the nose, and is formed so as to include a contact piece 11. The mask body 10 is formed to include an exhaust space 12 and a fixed frame 13, and a plurality of exhaust ports 14 are formed on the front surfaces on both sides of the exhaust space 12. The mask body 10 is made of a soft non-toxic material that is air tight. The mask body 10 is preferably made of a flexible rubber material because the wearing comfort can be improved, the mask body 10 can be folded in half and can be easily stored and carried.

  The contact piece 11 is provided at the inner edge of the mask body 10 and is in close contact with the face of the wearer when the dust mask is worn. Thereby, the contact | adherence piece 11 can contact | adhere completely to a person's face which wears, and can improve adhesiveness and a dustproof effect.

  The exhaust space 12 is provided at an inner center portion of the mask body 10, and a plurality of exhaust ports 14 are formed on the front surfaces on both sides of the exhaust space 12 to discharge air when exhaling.

  The fixed frame 13 is formed at the inner central portion of the mask body 10 and provides an exhaust space 12. An exhaust panel 30 is fitted and fixed to the fixed frame 13 so as to be detachable.

  The exhaust port 14 is formed on the front surface on both sides of the exhaust space 12. During breathing, the internal air is smoothly exhausted to the outside of the mask body 10 through the exhaust port 14.

  The wearing band 20 is connected to both sides of the mask body 10 and is elastically fixed to the head. A plurality of connecting pieces 21 are firmly attached to both ends of the wearing band 20 by high frequency bonding. Both ends of the dust mask 10 and the connecting piece 21 are provided with snap buttons 200 for connecting the dust mask 10 so as to be detachable.

  A central portion of the wearing band 20 is provided with a connecting ring 22 and a connecting portion 23 that are connected without fixing each other. The connecting portion 23 is provided with a length-adjustable magic tape 24 that is detachably attached to each other and adjusts the length of the wearing band. Accordingly, as shown in FIG. 2, the connecting portion 23 is hung on the connecting ring 22 and the length of the wearing band 20 is appropriately adjusted to fit the wearer, and then the magic tape 24 is bonded. The part 23 is firmly fixed.

  The exhaust panel 30 is fitted and fixed to the fixed frame 13. The exhaust panel 30 is provided with a plurality of discharge ports 31. The exhaust panel 30 is made of a soft non-toxic material that does not allow air to pass through and does not harm the human body. As shown in FIGS. 8a and 8b, when the exhaust panel 30 is incorporated in the fixed frame 13, it can be easily assembled, and when the exhaust panel 30 is pulled, it can be easily separated from the fixed frame 13. .

  A folding line 32 is formed in the longitudinal direction at the center of the exhaust panel 30, and a contact protrusion 33 is provided at the periphery of the front surface of the exhaust panel 30. The folding line 32 is used to easily fold the exhaust panel 30 when the mask body 10 is folded in half, and the contact protrusion 33 is firmly attached so as not to move the exhaust panel 30 to the fixed frame 13. It is for fixing.

  As shown in FIGS. 7 and 8a, a circular protrusion 31a having a plurality of notches is formed on the front surface of the discharge port 31. An insertion port 31 b and a fixing pin 41 are provided at the center of the discharge port 31 and the blocking film 40 to join each other. The discharge port 31 is formed with a plurality of vents 31d and a plurality of support plates 31c that define the plurality of vents 31d. Between the vent 31d and the circular protrusion 31a, a contact portion 31e with which the edge of the blocking film 40 contacts is provided.

  The blocking film 40 is disposed on the front surface of the discharge port 31 and is opened only when exhaling. The barrier film 40 is made of a soft non-toxic material that is harmless to the human body. The blocking film 40 is formed with a fixing pin 41 that is inserted into and fixed to the insertion port 31 b of the discharge port 31. Accordingly, when breathing in while wearing the dust mask, the blocking film 40 is firmly attached to the contact portion 31e of the discharge port 31 by the air suction / input, as shown in FIG. The opening 31d is closed, and as a result, the discharge opening 31 is closed by the blocking film 40 during intake. When breathing out while wearing a dust mask, air is discharged to the vent 31d of the discharge port 31, and the pressure of the air discharged through the vent 31d of the discharge port 31 is applied to the blocking film 40, thereby blocking The edge of the membrane 40 moves away from the contact portion 31e as shown in FIG. 9b. As a result, when the air is exhausted, the blocking film 40 is opened so that the air is smoothly discharged outside through the vent 31d of the discharge port 31 and the exhaust port 14 of the mask body 10.

  The filter cover 50 is provided on both sides of the mask body 10 as an integral part of the mask body. The filter cover 50 is formed in a mesh shape having porosity so that outside air can smoothly flow in during breathing. In addition, as shown in FIG. 10, the filter cover 50 is formed with a plurality of assembly grooves 51 at appropriate intervals.

  The filter case 60 is detachably coupled to the filter cover 50, and the filter case 60 is formed in a porous mesh shape so that outside air can smoothly flow in during breathing. Further, as shown in FIG. 10, the filter case 60 is formed with a plurality of assembly protrusions 61 assembled in the assembly groove 51 of the filter cover 50. A grip portion 62 is formed on one side of the filter case 60. Accordingly, the filter case 60 can be easily assembled to the filter cover 50 by holding the grip portion 62 and fitting the assembly protrusions 61 in the assembly grooves 51. In addition, the filter case 60 can be easily separated from the filter cover 50 by holding the grip portion 62 and pulling it in the opposite direction.

  The dustproof nonwoven fabric 70 is provided in the filter case 60 so as to be replaceable. The dustproof non-woven fabric 70 has a filtering function for primarily separating dust and harmful substances contained in the air flowing into the inside through the filter cover 50.

  The carbon filter 80 is provided in the filter case 60 so that it can be replaced. The carbon filter 80 has a filtering function for secondarily separating dust and harmful substances contained in the air flowing into the inside through the filter cover 50. The carbon filter 80 emits far-infrared rays and anions and has antibacterial and deodorizing actions. As already proven, carbon emits far-infrared rays, and is responsible for blood circulation promotion and biological warming function. Far-infrared rays generated from the carbon have antibacterial action (antibiotic) on the living body, It has excellent properties such as heating, neutralizing, circulating and fermentation. Therefore, carbon releases far-infrared rays and anions to make the internal organs smoother, smooth blood flow, good for high blood pressure, diabetes, cardiovascular disease, heart disease, etc. Become.

  The antibacterial silver nanofilter 90 is provided in the filter case 60 so that it can be replaced. The antibacterial silver nanofilter 90 has a filtering function that tertiaryly separates dust and harmful substances contained in the air flowing into the inside through the filter cover 50. Further, the antibacterial silver nanofilter 90 has an antibacterial action, sterilizes bacteria and fungi, and removes bad odor. Silver (Ag) is excellent in antibacterial and bactericidal effects, and the effects last semipermanently. Therefore, when the antibacterial silver nanofilter 90 is provided in the filter case 60, it is possible to prevent bacteria and fungi from growing due to the antibacterial and bactericidal effects.

  The dustproof nonwoven fabric 100 is provided in the filter case 60 so that it can be replaced. The dust-proof nonwoven fabric 100 has a filtering function that quaternarily separates dust and harmful substances contained in the air flowing into the inside through the filter cover 50.

  As described above, according to the present invention, when breathing from the nose while wearing a dust mask, the filter cover 50, the dust-proof nonwoven fabric 70, the carbon filter 80, the antibacterial silver nanofilter 90, the dust-proof nonwoven fabric 100, and the filter case 60 are passed through. Purified air flows smoothly into the nose. When exhaling from the nose, the air is smoothly discharged to the outside through the vent 31d and the exhaust port 14. Further, when breathing from the mouth, the purified air smoothly flows into the mouth through the filter cover 50, the dustproof nonwoven fabric 70, the carbon filter 80, the antibacterial silver nanofilter 90, the dustproof nonwoven fabric 100, and the filter case 60. When exhaling from the mouth, air is smoothly discharged to the outside through the vent 31d and the exhaust port 14.

  Therefore, according to the present invention, when breathing, air smoothly flows through the filter cover 50, the dustproof nonwoven fabric 70, the carbon filter 80, the antibacterial silver nanofilter 90, the dustproof nonwoven fabric 100, the filter case 60, the vent 31d, and the exhaust port 14. Inflow and discharge. In addition, it is structurally comfortable to wear. In addition, since the exhaust panel 30 is away from the mouth and the blocking film 40 is opened when exhaling, the ventilation resistance is low, and it is possible to breathe easily and to talk smoothly. . Further, since the wearer's face is completely in close contact with the contact piece 11 without any gap, the adhesion and dust-proof effect are greatly improved, and the inflow of dust and harmful substances can be completely blocked at this site. Furthermore, since air smoothly flows in and out during breathing, it is possible to prevent moisture from being trapped in the mask main body 10 and the glasses.

  In addition, according to the present invention, the dustproof nonwoven fabric 70, the carbon filter 80, the antibacterial silver nanofilter 90, and the dustproof nonwoven fabric 100 that are sequentially incorporated in the filter case 60 can be easily replaced. Can be used. In addition, the dust mask of the present invention maintains an easy-to-wear comfort because the contact force is greatly increased compared to conventional disposable dust masks, although the pressure applied to the user's face is greatly reduced. However, the dust-proof effect is very good.

  Furthermore, according to the present invention, the carbon filter 80 can obtain a far-infrared effect, an anion effect, an antibacterial effect and a deodorizing effect, and the antibacterial silver nanofilter 90 can sterilize bacteria and fungi, It can remove bad odors.

It is a general-view figure in one embodiment of the conventional dust mask. It is a general-view figure in one embodiment of the dust mask of the present invention. It is a front view in one embodiment of the dust mask of the present invention. It is a rear view in one embodiment of the dust mask of the present invention. It is a disassembled perspective view in one embodiment of the dust mask of the present invention. It is a plane sectional view in one embodiment of a dust mask of the present invention. It is a perspective view showing composition in one embodiment of an exhaust panel and a barrier film of a dust mask of the present invention. It is sectional drawing showing the isolation | separation state in one embodiment of the exhaust panel and shielding film of the dust mask of this invention. It is sectional drawing showing the joining state in one embodiment of the exhaust panel of the dust-proof mask of this invention, and a shielding film. It is sectional drawing showing the 1st effect | action in one embodiment of the shielding film of the dust-proof mask of this invention. It is sectional drawing showing the 2nd effect | action in one embodiment of the shielding film of the dust mask of this invention. It is explanatory drawing showing the structure in one embodiment of the filter cover and filter case of the dust mask of this invention. It is sectional drawing showing the isolation | separation state in one embodiment of the filter cover and filter case of the dust mask of this invention. It is sectional drawing showing the combined state in one embodiment of the filter cover and filter case of the dust mask of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Mask main body 11 Contacting piece 12 Exhaust space 13 Fixed frame 14 Exhaust port 20 Wear band 21 Connecting piece 22 Connecting ring 23 Connecting part 24 Length adjustment magic tape 30 Exhaust panel 31 Release port 31a Circular protrusion 31b Insertion port 31c Support valve 31d Ventilation hole 31e Contact part 40 Barrier film 50 Filter cover 51 Assembly groove 60 Filter case 61 Assembly protrusion 62 Grasping part 70 Dust-proof nonwoven 80 Carbon filter 90 Antibacterial silver nanofilter 100 Dust-proof nonwoven

Claims (5)

A dustproof mask formed of a hemispherical curved surface covering the mouth and nose, comprising a mask body (10) and a wearing band (20) connected to both ends of the mask body (10),
A contact piece (11) disposed on an inner edge of the mask body (10);
A fixed frame (13) forming an exhaust space (12) provided in an inner central portion of the mask body (10);
A plurality of exhaust ports (14) formed in front of both sides of the exhaust space (12);
An exhaust panel (30) fitted and fixed to the fixed frame (13) and having a plurality of discharge ports (31);
A plurality of barrier membranes (40) disposed in front of the discharge port (31) and opened only when exhaling;
A filter cover (50) formed integrally with the mask body on both sides of the mask body (10);
A removable filter case (60) coupled to the filter cover (50);
A dust mask comprising a dust-proof nonwoven fabric (70), a carbon filter (80), an antibacterial silver nanofilter (90), and a dust-proof nonwoven fabric (100), which are sequentially incorporated in the filter case (60). A plurality of connecting pieces (21) respectively attached to both ends of the wearing band (20);
Snap buttons (200) that are provided at both ends of the dust mask (10) and the connecting piece (21), and are connected so as to be detachable from each other;
A connecting ring (22) and a connecting part (23), which are provided in the central part of the wearing band (20) and connect each other without being fixed;
The length adjusting magic tape (24) provided on the connecting portion (23) and for adhering the wearing band (20) and the connecting portion (23) so as to be detachable. Dust mask. A folding line (32) formed longitudinally in the center of the exhaust panel (30);
The dust mask according to claim 1, further comprising a contact protrusion (33) formed on a peripheral edge of the front surface of the exhaust panel (30). A circular protrusion (31a) having a plurality of notches formed on the front surface of the discharge port (31) and incorporating the blocking film (40);
An insertion port (31b) and a fixing pin (41) which are formed at the center of the discharge port (31) and the blocking film (40), respectively,
A plurality of vents (31d) formed in the discharge port (31);
A plurality of support valves (31c) defining the plurality of vents;
The dust mask according to claim 1, further comprising a contact portion (31e) formed between the vent hole (31d) and the circular protrusion (31a) and in contact with an edge of the blocking film (40). A plurality of assembly grooves (51) disposed at appropriate intervals on the filter cover (50);
A plurality of assembly protrusions (61) formed on the filter case (60) and assembled by the assembly groove (51);
The dust mask according to claim 1, further comprising a grip portion (62) formed on one side of the filter case (60).

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