KR102113556B1 - A Mask with side discharging apparatus of exhaling - Google Patents

Abstract

The present invention relates to a mask equipped with a side vent exhalation device, to improve the structure of the mask body to induce rapid discharge of air when the user exhales, while preventing the saliva of the mask user from splashing forward, the user A mask body that covers the nose and mouth of the face and face of the face, and a fixing part that is fastened to the user's ear or wrapped around the back of the head at both ends of the mask body, and is provided on both sides of the mask body to rapidly expel air when the user exhales Provided is a mask including a side venting device for blocking air inflow when venting and inhaling.

Description

Mask with side discharging apparatus of exhaling {A Mask with side discharging apparatus of exhaling}

The present invention relates to a mask equipped with an exhalation discharge device for a side, and more specifically, a mask to prevent saliva from splashing forward when the mask user exhales, thereby giving discomfort to others or preventing transmission due to direct contact of pathogens. It relates to a mask equipped with an exhalation discharge device for the side to quickly discharge the exhaled air on both sides of the body.

In general, the mask is used to prevent micro-dust in the air or micro-particles of the virus from entering the human body through the respiratory tract or damaging others due to the outflow of air, such as a cold virus.

On the other hand, in recent years, due to contaminants such as yellow sand or soot and SARS virus, the necessity of using a mask is increasing throughout the four seasons, and various types of masks have been proposed.

As an example of such a mask, Patent No. 10-1730083 has been proposed. This relates to a mask provided with an exhaust valve, which is formed in a mask-shaped body, a body, and includes an exhaust valve formed in an opening and an opening formed to penetrate a position corresponding to a user's mouth. Accordingly, it is coupled to the upper portion of the outer frame to prevent dust from entering the outer frame and the opening formed at the same time when the body is formed, and at the same time to prevent the inside of the mask body from moving, so as to close the intake opening, and when opening It is proposed a mask structure provided with an exhaust valve comprising a suction film that moves to open.

However, the exhaust valve proposed in the registered patent is installed in a position corresponding to the user's mouth, that is, an opening formed in the center of the body, and a thin simple type suction film such as rubber or silicone is provided on the outer frame, so that the mask user When exhaling, especially when talking loudly or sneezing, saliva, such as saliva, passes directly through the inhalation membrane and is discharged to the front of the mask.

In particular, the exhaust valve has a structural disadvantage in that it cannot block the outflow of cold virus or the like during the conversation of the mask user because of no air filtration performance.

In addition, as the body is usually made of a non-woven fabric, when the rainwater comes into contact with the surface, there is a high absorption concern, and as a result, it is difficult to breathe, and the mask containing the moisture also causes discomfort when contacting the skin. In particular, when the mask is moistened, it is difficult for the user to breathe, it is difficult to quickly discharge air when exhaling, and it is difficult to communicate when the conversation with others is difficult because the volume is not sufficiently transmitted to the outside.

Therefore, the present invention has been devised to solve the fundamental problems of the prior art, and the object of the present invention is to prevent the saliva bouncing forward when the mask user exhales, but to prevent unpleasant feelings to others while promptly expediting the air due to exhalation. In order to induce discharge, it is to provide a mask provided with an exhalation discharge device on both sides of the mask body.

In addition, the present invention is to provide a mask having a replacement filter that can perform filtering when the air is discharged due to sneezing or conversation, etc. to the exhalation discharge device for the side, and can be easily replaced as needed.

In addition, the present invention not only increases the filtration efficiency of fine dust, but also minimizes shape deformation due to the influence of wind and the like when worn on the face, and minimizes moisture absorption and penetration into the mask, but does not cause discomfort due to moisture contact with the skin. It is to provide a mask with an antibacterial function that prevents various bacteria from entering the respiratory system.

The present invention for solving this technical problem;

A mask body that covers the nose and mouth of the user's face and face, a fixing part that is fixed to the user's ear or wrapped around the back of the head at both ends of the mask body, and is provided on both sides of the mask body to rapidly expedite air when the user exhales It is configured to include a ventilating and exhausting device for the side to discharge the air and block the inflow of air when inhaling; The exhalation discharge device for the side is supported by being fitted to the through portion from the rear of the mask body, but is formed by a partition wall having a plurality of air discharge holes, a first seating portion is formed in the front, and a second seating portion is separately formed at the rear. A plate-shaped opening and closing pad seated on the first seating portion of the base frame to open and close the air exhaust hole, a closing cap coupled to the front portion of the base frame in front of the mask body, and a ventilation cap formed thereon, Provided is a mask provided with a side exhalation discharge device, characterized in that it consists of a replacement filter provided detachably on the second seat.

At this time, a through portion is formed on both side surfaces of the mask body, and a support portion is formed along an edge of the through portion; A first support jaw supported on a rear side of the support portion formed along the edge of the through portion of the mask body is formed on the rear outer surface of the base frame; The opening and closing pad is provided with a plurality of elastic blades partitioned by an incision along the edge; A second support jaw supported on the front surface of the support formed along the edge of the through portion of the mask body is formed on the rear outer surface of the finishing cap; When separating the replacement filter seated on the second seating portion of the base frame, a handle capable of being pulled by a mask user is protruded on one side of the rear end of the replacement filter.

In addition, one or more protrusions protruding in the direction of the first seating portion protrude from the partition wall of the base frame; One or more mounting holes corresponding to the mounting projections of the base frame are formed on the opening / closing pad and are fitted to the mounting projections; A pressing portion is formed in the center of the closing cap to press the central portion of the opening / closing pad seated on the first seating portion of the base frame to the center of the partition wall of the base frame, and the pressing portion is provided with a projection into which the mounting protrusion of the base frame is inserted. Grooves are formed; The replacement filter is characterized in that an extension portion that is in close contact with the rear edge of the base frame is formed along the edge to prevent detachment when mounted on the second seat portion of the base frame, and the extension portion is provided with an adhesive to facilitate detachment. do.

In addition, the mask body is made of a synthetic resin material and is provided between the front and rear housings in which a plurality of first and second entry / exit holes through which air can enter and exit, and the front and rear housings to filter fine dust. It is characterized in that the filter and the upper and lower edges of the front and rear housings are fixed integrally with one end and the other end consists of upper and lower supporting members in close contact with the user's face.

According to the present invention, both sides of the mask body are provided with a side-side exhalation discharge device having a structure in which air is smoothly discharged upon exhalation, and a mask is worn to expel air rapidly during exhalation, as well as saliva of the mask user splashing forward There is an advantage that can prevent giving offense to others.

In addition, the present invention is hygienic because it is equipped with a replacement filter that can be easily attached to and detached from the exhalation device for the side and used by a mask user for one-time use and replaced with a new replacement filter.

In addition, according to the present invention, the mask body is made of a synthetic resin material and is provided with a filtration filter inside the mask body in which the first and second entry / exit holes are formed, thereby increasing the efficiency of filtration of fine dust, as well as due to the influence of wind on the face By minimizing shape deformation, it is possible to prevent the mask body from directly touching the face.

In addition, the mask body according to the present invention is made of a synthetic resin material to minimize the absorption of rain water and the like through the filtration filter, and thereby, there is no discomfort caused by skin contact with moisture, and an antibacterial coating layer is formed inside the mask body to protect various bacteria. It is hygienic because it can also prevent penetration into the inside.

1 is a front view of a mask equipped with a side venting device according to the present invention.
Figure 2 is a cross-sectional view of the mask equipped with a side venting device according to the present invention.
Figure 3 is an exploded perspective view showing a side vent exhalation device according to the present invention from the upper side.
Figure 4 is an exploded perspective view showing the exhalation device for a side according to the present invention from the lower side.
Figure 5 is an assembled cross-sectional view of the exhalation device for side according to the present invention.
Figure 6 is a cross-sectional view showing a state of wearing a mask equipped with a side venting device according to the present invention.
7 is a view showing a mask provided with a side venting device for exhalation according to another embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, a preferred embodiment of the mask provided with the exhalation discharge device for side according to the present invention will be described in more detail.

According to Figures 1 to 6, the mask 1 is provided with a side exhalation discharge device according to the present invention, the mask body 100 to cover the nose and mouth of the face of the user's face, and both ends of the mask body 100 Fixing part 200 to be fixed to the user's ear or wrapped around the back of the head, and provided on both sides of the mask body 100 to quickly discharge air when exhaling the user and block air inflow when exhaling It comprises a discharge device 300.

Hereinafter, the configuration of each part of the present invention will be described in detail.

The mask body 100 is made of a synthetic resin material, and the front and rear housings 110 and 120 in which a plurality of first and second entry and exit holes 113 and 123 through which air can enter and exit are formed, and the front and rear housings ( 110,120) is provided between the filtration filter 130 to filter fine dust, and the front and rear housings 110,120, the upper and lower edges are integrally fixed at one end and the other end is in close contact with the user's face And lower support members 140 and 150.

The front housing 110 is formed with the front portion of the first body 111 exposed to the outside and the first contact portion 114 protruding outwards along the edge of the first body 111 extending outward, and the rear side. The housing 120 is formed by extending the second sealing portion 124 protruding outward and forward along the edge of the second body 121 and the rear portion of the second body 121 exposed to the outside. At this time, the first and second adhesion parts 114 and 124 are formed to couple the front and rear housings 110 and 120.

As described above, the front and rear housings 110 and 120 are materials that are harmless to the human body, such as polyethylene (PE) and polypropylene (PP), which are curved around the center and wrap the respiratory tract, and are made of synthetic resin so that the surface is smooth. The surface is smoothly molded by injection molding or by heat-pressing the film. In this case, elasticity is present when manufacturing in the form of a film having a thickness of 0.3 to 0.5 mm, so that both sides of the front and rear housings 110 and 120 may be bent even when the first and second adhesion parts 114 and 124 are joined. .

On the other hand, when the front and rear housings 110 and 120 form the first and second sealing portions 114 and 124 in a stepped manner, when the integrally formed by forming the junction portion P1, the filtration filter 130 can be seated ( 100a) is formed. At this time, the bonding portion P1 may be bonded by applying an adhesive to the first or second sealing portions 114 and 124 or heat-sealing the first and second sealing portions 114 and 124. Of course, in the case of thermal fusion, it is preferable that the whole air is evenly fused and integrally bonded to prevent external air from flowing into and out of the receiving space 100a through the gap between the first and second sealing portions 114 and 124.

In addition, a plurality of first in / out holes 113 through which air can enter and exit are formed on the surface of the first body 111 of the front housing 110, and on the surface of the second body 121 of the rear housing 120 A plurality of second entry / exit holes 123 through which air can enter and exit is formed. The first and second entry / exit holes 113 and 123 are for the air to enter and exit when the user of the mask 1 wears and breathes, and the diameter is preferably molded into a circle of 0.3 to 0.5 mm. Accordingly, it is possible to form an oval shape.

On the surface of the first body 111 of the front housing 110, a first recess 112 protruding backward is formed, and a plurality of first entry / exit holes through which air can enter and exit the first recess 112 ( 113) is formed, a surface of the second body 121 of the rear housing 120 is formed with a second groove portion 122 protruding forward and a plurality of air that can enter and exit the second groove portion 122 The second entry / exit hole 123 is formed.

The first and second groove parts 112 and 122 have a diameter of 2 to 3 mm on the outer circumferential surface, and a structure in which a circular surface having a diameter of 1 to 2 mm is formed in the center of a depth of 1 to 1.5 mm, and 0.3 to 0.5 mm on the wall surface. One or more first and second entry / exit holes 113 and 123 penetrating in a circular shape of each are formed, and preferably 3 to 6 are formed.

As the center circular surfaces of the first and second groove parts 112 and 122 are formed to be stepped, space is secured when the filter filter 130 is pressurized, and thus moves in the process of entering and exiting the first and second entry and exit holes 113 and 123 It is preferable that the air to be adhered to the antibacterial coating layers 115 and 125 formed on the rear surface of the front housing 110 and the front surface of the rear housing 120 adsorbs fine dust.

Of course, the first and second groove parts 112 and 122 may be formed in a concave dome shape as necessary, and the sizes of the first and second entry / exit holes 113 and 123 may be variously designed and modified. It belongs to the scope of the present invention.

According to this structure, the first and second groove parts 112 and 122 press the filtration filter 130 seated in the receiving space 100a, thereby enabling stable support, as well as the number of first and second entry and exit holes 113 and 123. Can increase the intake of air smoothly.

Antibacterial coating layers (115,125) using tourmaline or phytoncide stock solutions or diluents having excellent odor removal, particulate dust removal, antibacterial, and formaldehyde decomposition effects are provided on the rear surface of the front housing 110 and the front surface of the rear housing 120. It is formed more. Accordingly, when the user breathes, it is possible to block transmission or spread of bacteria through removal of fine dust and bacteria in the air flowing into the receiving space 100a through the first and second entrance and exit holes 113 and 123 and exerting antibacterial effect. In particular, when forming the antibacterial coating layers 115 and 125 by applying a phytoncide stock solution or a diluent, there is also an advantage of feeling a refreshing feeling.

At this time, the phytoncide diluent can be used by diluting it in various concentrations as needed, for example, phytoncide stock solution and water can be used by mixing in a weight ratio of 1: 100 to 10: 100.

In addition, the filtration filter 130 uses a non-woven filter to collect dust in the outside air flowing into the receiving space 100a through the first inlet / outlet 113 of the front housing 110, but if necessary, the HEPA filter You can also use (Hepa Filter). Of course, in addition to the non-woven fabric filter and the HEPA filter, various filters may be selectively used or various filters may be stacked to be provided in the receiving space 100a.

Such a filtration filter 130 is located between the pre-formed front housing 110 and the rear housing 120, and then the first and second adhesion parts 114 and 124 formed along the edges of the front and rear housings 110 and 120. It is stably positioned in the accommodation space 100a by the joining portion P1.

In addition, the upper and lower support members 140 and 150 are flexible and are bonded by applying adhesive to the second sealing portion 124 formed along the edges of the front and rear housings 110 and 120 or by thermally welding the second sealing portion 114. P2). At this time, when the bonding portion P2 is formed by thermal fusion, the upper and lower supporting members 140 and 150 are made of a non-woven fabric made of PP or PE so as to enable thermal fusion to the second sealing portion 24.

The upper and lower support members 140 and 150 have one end integrally fixed to the upper and lower edges of the front and rear housings 110 and 120, that is, the first and second sealing portions 114 and 124, and the other end to the user's face. It comes in close contact. In this case, in order to prevent lifting of the contact portion between the nostril and the ball and to prevent slipping, a nose support port 160 made of silicone is integrally fixed to the inner surface of the upper support member 140 where the nostril is in close contact.

At this time, the nose support 160 is formed with a nose seating groove 162 in which the nose is in close contact, and an external force such as a wire is applied between the inner surface of the upper support member 140 and the nose support 160 to deform the state of deformation. A metal material for maintaining shape adjustment 170 is provided, and when used, the metal material for shape adjustment 170 is appropriately pressed or bent according to the shape of the user's nose to maintain shape deformation of the nose support 160 to be in close contact with the nose. In this case, in order to prevent skin damage, the shape adjustment metal material 170 is installed in a hidden state.

The nose support 160 is formed with a hollow portion 164 therein to naturally cover the nose when pressed against the nose.

The upper and lower support members 140 and 150 may be folded up and down around the joint P2 as they are made of a non-woven fabric made of PP or PE. Therefore, before the use of the mask 1, the other ends of the upper and lower support members 140 and 150 are folded in the rear direction of the rear housing 120, and when the mask 1 is used, the other ends of the upper and lower support members 140 and 150 are used. The other ends of the upper and lower supporting members 140 and 150 are folded to the upper and lower sides of the rear housing 120 so as to be in close contact with the face.

In addition, a fixed wire 200 to be fastened to the user's ear or wrapped around the back of the head on both ends of the mask body 100 may use a general wire-shaped earring 201 as shown, but if necessary, the mask body ( It is also possible to easily configure the attachment and detachment by combining the male and female velcro tapes on the left and right bands at both ends of the head, and surrounding the back of the head.

The fixing part 200 may be formed in various shapes, and it is obvious that all belong to the scope of the present invention.

On the other hand, provided on both sides of the mask body 100, the exhalation discharge device 300 for the side that can quickly discharge the air when the user exhales through portions formed on both sides of the mask body 100, respectively ( 101). In this case, the mask body 100 is formed by injection molding of a synthetic resin material or heat-pressing a film, or can be produced only by using a non-woven fabric, and forms through portions 101 on both sides of the mask body 100, and the through portions thereof. To the side exhalation discharge device 300 can be assembled.

The exhalation discharge device 300 for such a side is supported by being fitted to the penetrating portion 101 from the rear of the mask body 100, but is provided with a first seating portion in front by a partition 312 having a plurality of air discharge holes 312a. (313) is formed and the second seating portion 314 is formed at the rear, the base frame 310 and the first seating portion 313 of the base frame 310 are seated on the air outlet hole 312a A plate-shaped opening and closing pad 320 for opening and closing, a closing cap 330 coupled to the front part of the base frame 310 in front of the mask body 100 and a venting hole 332a is formed, and the base frame It is composed of a replacement filter 340 provided detachably to the second seating portion 314 of (310).

First, on both sides of the mask body 100, through parts 101 are formed, and support parts 101a are formed along the edges of the through parts 101. The support portion 101a is for stably supporting the exhalation discharge device 300 for the side surface, and the support portion 101a is a first and second adhesion portion 114,124 formed to couple the front and rear housings 110 and 120 As in the), the front and rear housings 110 and 120 are integrally coupled to each other by applying a fusion or adhesive to block the inside of the filter means 130 from being exposed to the outside.

The base frame 310 is fitted to the through portion 101 of the mask body 100 from the rear to the front.

At this time, the base frame 310 is manufactured by injection molding with a synthetic resin material such as rubber or PP, and the front and rear of the body 311 made of a cylindrical shape are provided with a first seating part 313 and a second seating part 314. A partition wall 312 divided by) is formed, and a plurality of air discharge holes 312a are formed in the partition wall 312.

In this case, the base frame 310 is formed in a rectangular shape as a whole, and the air outlet hole 312a having a long hole shape is formed on the partition wall 312 on both sides.

The air discharge hole 312a functions as a passage for discharging air from the second seating portion 314 to the first seating portion 313 when the mask 1 user exhales. And the first support jaw 315 supported on the rear surface of the support portion 101a formed along the edge of the through portion 101 of the mask body 100 on the rear outer surface of the body 311 of the base frame 310 This is formed, and the first engaging jaw 316 for coupling the closing cap 330 is formed on the front outer surface of the body 311.

In addition, at least one mounting protrusion 317 protruding in the direction of the first seating portion 313 is formed to protrude on the partition 312 and the opening / closing pad 320 is mounted.

On the other hand, the opening and closing pad 320 is to be seated on the first seating portion 313 of the base frame 310, in the direction of the first seating portion 313 from the second seating portion 314 of the base frame 310 When air moves, the air outlet hole 312a of the partition 312 is opened, and when the air moves from the first seating portion 313 to the second seating portion 314, the air in the partitioning wall 312 It functions to close the discharge hole (312a).

The opening and closing pad 320 is in close contact with the front surface of the partition wall 312 of the base frame 310, and the central portion is a structure pressed by the finishing cap 330, and is made of a rectangular shape as a whole, but has elastic silicone or synthetic resin film. Made of a material, when the mask user exhales, the air moves from the second seating portion 314 of the base frame 310 to the first seating portion 313, the edge is tilted forward, and the air outlet hole of the partition 312 (312a) is open, there is no air flow or when the mask user inhales, the restoring force of the opening / closing pad 320 or the air from the second seating portion 314 of the base frame 310 to the first seating portion 313 Due to the movement, the edge closes the air outlet hole 312a of the partition 312.

At this time, the opening and closing pad 320 is provided with a plurality of elastic blades 322 partitioned by an incision 321 along the edge, in the second seating portion 314 of the base frame 310 when the mask user exhales When the air moves in the direction of the first seating portion 313, the elastic wing 322 is further forwarded by air pressure, and the open area of the air discharge hole 312a formed at the edge of the partition 312 is wider. There is this.

In addition, one or more mounting holes 323 corresponding to the mounting protrusions 317 of the base frame 310 are formed on the opening and closing pad 320. Accordingly, when the opening / closing pad 320 is inserted and seated in the first seating portion 313 of the base frame 310, the mounting hole 323 is inserted into the mounting protrusion 317 to stably hold the seat.

In addition, the closing cap 330 is formed in a square shape as a whole and is coupled to the front portion of the base frame 310 in front of the mask body 100 and moves in the direction of the second seating portion 314 to the first seating portion 313. A vent hole 332a for discharging one air to the outside is formed.

At this time, the finishing cap 330 is manufactured by injection molding with a synthetic resin material such as rubber or PP, and a space portion 333 opened to the rear side of the body 331 is formed and is formed on the inner wall surface of the space portion 333. A second engaging jaw 334 is formed for coupling the base frame 310, and the first seating portion 313 of the base frame 310 in the center direction of the space portion 333 is formed in the center of the body 331. A pressing portion 335 is formed to press the central portion of the opening / closing pad 320 seated on the central portion of the partition 312 of the base frame 310. The pressing portion 335 is formed with a projection seating groove 335a into which the mounting projection 317 of the base frame 310 is inserted. That is, the pressing part 335 functions to support the opening and closing pad 320 by pressing the partition wall 312 while supporting the mounting protrusion 317 of the base frame 310.

In addition, a second support jaw 336 supported on the front surface of the support portion 101a formed along the edge of the through portion 101 of the mask body 100 is further formed on the rear outer surface of the finishing cap 330.

According to this structure, by inserting the body 311 of the base frame 310 from the rear to the through portion 101 of the mask body 100, the first support jaw 315 of the through portion 101 of the mask body 100 ) Seating the opening / closing pad 320 on the first seating portion 313 in the state supported on the back side of the supporting portion 101a formed along the edge, and the finishing cap 330 through portion 101 of the mask body 100 ) When the second locking jaw 334 is coupled to the first locking jaw 316 of the base frame 310 by pressing forward, the separation between the base frame 310 and the closing cap 330 is integrally prevented. .

In such a coupling state, the pressing portion 335 of the closing cap 330 is pressed to the central portion of the partition wall 312 of the base frame 310 to the central portion of the opening and closing pad 320, so that only the edge of the opening and closing pad 320 is forward. It becomes possible to be flipped. In addition, when the base frame 310 and the closing cap 330 are coupled, the support portion 101a in which the first support 315 and the second support 336 are formed along the edge of the through portion 101 of the mask body 100. ) Is in close contact with the back and front of each, so that air can be prevented from flowing in and out through the gap. In addition, this structure simplifies the installation and assembly of the exhalation discharge device 300 for the side as a whole.

On the other hand, the replacement filter 340 is made of a rectangular shape as a whole can be attached to or detached from the second seating portion 314 of the base frame 310, a new replacement filter after use for a single use when using a mask It can be used by replacing it with 340. The replacement filter 340 may be made of natural fibers or synthetic fibers, and it is also possible to use a sponge if necessary. Of course, the replacement filter 340 may be made of a laminated filter manufactured by laminating one or more natural fiber nonwoven fabrics, synthetic fiber nonwoven fabrics, and sponges.

The replacement filter 340 is attached to the second seating portion 314 of the base frame 310 along the edge of the body 311 of the base frame 310 along the edge so as to prevent separation, that is, the first locking jaw (316) An extension portion 341 that can be closely adhered to the rear surface is formed. In addition, the extension portion 341 is provided with an adhesive 343 to facilitate detachment.

In addition, the replacement filter 340 has a handle 342 formed on the rear end side of the body 341 further protruding so that the body 341 of the replacement filter 340 has a second seat portion of the base frame 310 ( When mounted on 313, the handle 342 is structured to be exposed on the outside of the rear end of the base frame 310, so that when the filter user removes the replacement filter 340 later, the mask user can easily remove the handle 342. .

The replacement filter 340 has an advantage of applying or spraying a phytoncide stock solution or a diluent so that it can feel an antibacterial function and a refreshing feeling while using the mask. At this time, the phytoncide diluent can be used by diluting it in various concentrations as needed, for example, phytoncide stock solution and water can be used by mixing in a weight ratio of 1: 100 to 10: 100.

In addition, the replacement filter 340 is provided in a sealed state to prevent hygiene management of the new replacement filter 340 that the mask user replaces and to prevent volatilization of phytoncide, and it is preferable to use the tear off the packaging during replacement. Do.

On the other hand, FIG. 7 is a view showing another embodiment of the present invention, after forming the first and second bodies 111 and 121 of the front and rear housings 110 and 120 in a smooth form, with a punch as a well-known molding apparatus. The first and second entry and exit holes 113 and 123 are punched to form first and second burrs 113a and 123a along the edges of the first and second entry and exit holes 113 and 123. At this time, heat is applied during punching to maintain the shape after the first and second burrs 113a and 123a are formed along the edges of the first and second entry and exit holes 113 and 123.

At this time, the first burr 113a is formed in the rear by irregularly forming the first inlet / outlet 113 by pressing and punching the front of the first body 111 with the punch, and from the rear of the second body 121. By pressing and molding in the forward direction, the second burr 123 in which the second burr 123a is irregularly formed in the forward direction is molded.

The first and second burrs 113a and 123a perform a function of first collecting dust when entering or leaving air. More specifically, the first burr 113a catches external air when it is inhaled by the user when it flows through the first inlet and outlet 113, and the second burr 123a has air when the user exhales. It serves to hold during discharge through the second entry / exit hole 123.

In the above, the present invention has been shown and described in a specific preferred embodiment, but the present invention is not limited to the above-described embodiments and has ordinary knowledge in the technical field to which the present invention belongs without departing from the spirit of the present invention. It will be possible to implement a variety of modifications.

1: Mask 100: Mask body
100a: accommodation space 110: front housing
111: first body 112: first groove
113: first entry and exit 114: first contact
115: antibacterial coating layer 120: rear housing
121: second body 122: second groove
123: second entry and exit 124: second contact
125: antibacterial coating layer 130: filtration filter
140: upper support member 150: lower support member
160: nose support 170: shape adjustment metal material
200: fixing part 300: side exhalation discharge device
310: base frame 320: opening and closing pad
330: closing cap 340: replacement filter

Claims (4)

The mask body 100 surrounding the nose and mouth of the face of the user's face, and the fixing part 200 to be fixed to the user's ear or wrapped around the back of the head at both ends of the mask body 100, and the mask body 100 It is provided on both sides and comprises a side exhalation discharge device 300 for quickly discharging air when exhaling the user and blocking air inflow when inhaling;
The side surface exhalation device 300 is supported by being fitted to the through portion 101 from the rear of the mask body 100, but is provided with a first seating portion (3) in front by a partition wall 312 having a plurality of air outlet holes 312a. 313) is formed and the second seating portion 314 is formed on the rear, the base frame 310 and the first seating portion 313 of the base frame 310 is seated on the air outlet hole (312a) A plate-shaped opening and closing pad 320 to open and close, a closing cap 330 coupled to the front part of the base frame 310 in front of the mask body 100 and a vent hole 332a formed therein, and the base frame ( 310) is composed of a replacement filter 340 provided detachably on the second seating portion 314;
The mask body 100 is made of a synthetic resin material, and the front and rear housings 110 and 120 in which a plurality of first and second entry and exit holes 113 and 123 through which air can enter and exit are formed, and the front and rear housings ( 110,120) is provided between the filtration filter 130 to filter fine dust, and the front and rear housings 110,120, one end is integrally fixed to the upper border and the lower border, and the other end is in close contact with the user's face And lower support members 140 and 150;
A plurality of first grooves 112 are formed on the surface of the first body 111 of the front housing 110 to protrude rearward and in which the first entry / exit holes 113 are formed. 2 A mask provided with a side exhalation discharge device, characterized in that a second groove portion 122 is formed on the surface of the body 121 to protrude forward and in which the second entry / exit hole 123 is formed.
According to claim 1,
Penetration portions 101 are formed on both side surfaces of the mask body 100, and support portions 101a are formed along an edge of the penetration portion 101;
A first support jaw 315 supported on the rear surface of the support portion 101a formed along the edge of the through portion 101 of the mask body 100 is formed on the rear outer surface of the base frame 310;
The opening and closing pad 320 is provided with a plurality of elastic wings 322 partitioned by an incision 321 along the edge;
A second support jaw 336 supported on the front surface of the support portion 101a formed along the edge of the through portion 101 of the mask body 100 is formed on the rear outer surface of the finishing cap 330;
When removing the replacement filter 340 seated on the second seating portion 314 of the base frame 310, a handle 342 that a mask user can pull out is protruded from one side of the rear end of the replacement filter 340. Mask provided with a side exhalation device, characterized in that formed.
According to claim 1,
One or more protrusions 317 protruding in the direction of the first seating portion 313 are formed on the partition wall 312 of the base frame 310;
One or more mounting holes 323 corresponding to the mounting projections 317 of the base frame 310 are formed on the opening and closing pads 320 to be fitted to the mounting projections 317;
In the center of the closing cap 330, a pressing portion for pressing the central portion of the opening / closing pad 320 seated on the first seating portion 313 of the base frame 310 to the central portion of the partition wall 312 of the base frame 310. 335 is formed, the pressing portion 335 is formed with a projection seating groove 335a into which the mounting projection 317 of the base frame 310 is inserted;
The replacement filter 340 is formed with an extension portion 341 that can be closely adhered to the rear edge of the base frame 310 along the edge so as to prevent separation when mounted on the second seat portion 314 of the base frame 310. And the extension portion 341 is provided with a pressure-sensitive adhesive (343) for easy attachment and detachment Mask provided with a side exhalation discharge device.
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