WO2022025501A1

WO2022025501A1 - Voice transmission device for mask

Info

Publication number: WO2022025501A1
Application number: PCT/KR2021/009199
Authority: WO
Inventors: 양경호
Original assignee: 주식회사 이보; 양경호
Priority date: 2020-07-28
Filing date: 2021-07-16
Publication date: 2022-02-03

Abstract

The present invention relates to a voice transmission device for a mask, which can be vibrated by a voice of a mask wearer to clearly transmit the voice and can be easily attached to or detached from a mask so as to be replaced or washed and used. The voice transmission device for a mask according to the present invention may comprise: a ring-shaped holder having an opening formed to communicate with an open mounting hole formed through a mask, and coupled to the mounting hole of the mask; a diaphragm coupled to the holder to be vibrated by sound waves of a mask wearer, which is transmitted through the opening of the holder; and a ring-shaped clamp member coupled to the front of the holder to fix the rim portion of the diaphragm to the rim portion of the holder.

Description

voice transmission device for mask

The present invention relates to a mask, and more particularly, to a voice transmission device for a mask capable of accurately transmitting voice while vibrating by a user's voice while wearing the mask.

Masks are used in environments where individuals are exposed to hazardous substances such as gases, vapors, aerosols (eg, dust, mist, and/or biological agents). Masks come in a wide variety of types, from inexpensive disposable masks to reusable masks with replaceable filtration cartridges.

Since the general mask covers the wearer's entire mouth, the user's voice hits the mask and the sound waves are not accurately transmitted to the outside, which tends to make it difficult to understand the wearer's speech accurately, making communication between people difficult.

In order to solve this problem, Korean Patent Laid-Open No. 10-2018-0115670 discloses a respiratory mask having a voice transmission feature having a voice transmission membrane configured to vibrate in response to a sound wave generated by a user.

However, the voice transmission membrane provided in the conventional respirator mask is made of a thin flat surface, and when applied to a mask made of a thin cloth or fabric, there is a limit in clearly transmitting the voice.

The present invention is to solve the above problem, and an object of the present invention is to transmit the voice clearly by vibrating by the voice of the mask wearer, and to transmit the voice for a mask that can be easily attached to and removed from the mask to exchange or wash it. to provide the device.

According to the present invention for achieving the above object, there is provided a voice transmission device for a mask, comprising: a ring-shaped holder having an opening communicating with an installation hole formed to be open in the mask and coupled to the installation hole of the mask; a vibrating membrane coupled to the holder and vibrating by the sound wave of the mask wearer transmitted through the opening of the holder; and a ring-shaped clamp member coupled to the front of the holder to fix the edge of the vibrating membrane to the edge of the holder.

The voice transmission device for a mask of the present invention is formed in a ring shape having an opening in the holder and an opening communicating with the installation hole of the mask, and is coupled to the holder from the rear of the holder to fix the holder to the periphery of the installation hole of the mask. It may further include a fixing member.

A first screw thread portion is formed on the holder, and a second screw thread portion helically coupled to the first screw thread portion is formed on the fixing member. They can be fixed to each other around the ball.

According to one aspect of the present invention, the first screw thread portion of the holder is formed in a cylindrical shape on the rear portion of the holder and consists of a male thread portion having a thread formed on an outer circumferential surface, and the second screw thread portion of the fixing member is an inner circumferential surface of the fixing member. It may be made of a female threaded portion formed in the.

According to another aspect of the present invention, the first screw thread portion of the holder is made of a female thread portion formed on the inner circumferential surface of the opening of the holder, and the second screw thread portion of the fixing member is formed in a cylindrical shape in the front portion of the fixing member, It may be made of a male threaded portion having a screw thread formed on the outer circumferential surface.

The holder and the fixing member may be fixed in close contact with the periphery of the installation hole while being coupled through the installation hole of the mask in each of the front and rear portions of the mask in a state separated from the mask.

The fixing member is bonded around the installation hole of the mask to maintain a fixed state, so that only the voice transmission unit can be attached to or detached from the mask by helically coupling or releasing the first screw thread part of the holder to the second screw thread part of the fixing member. have.

A sound collecting part formed in the form of a conical hole whose inner diameter decreases from rear to front may be formed on the inner circumferential surface of the opening of the fixing member.

A coupling groove to which a peripheral portion of the installation hole of the mask is fitted and coupled to the outer circumferential surface of the holder may be formed along the circumferential direction.

A ring-shaped male thread part is formed in the front of the holder, the rim of the vibrating membrane is seated on the front end of the male thread part, and a female thread part that is helically coupled to the male thread part of the holder is formed on the inner circumferential surface of the clamp member, so that the clamp member is While being coupled to the holder, the edge portion of the vibrating membrane may be pressed and fixed between the front end of the clamp member and the front end of the male screw thread of the holder.

The voice transmission device for a mask of the present invention may further include a gasket ring made of an elastic material disposed at the rear of the clamp member to elastically support the edge of the vibrating membrane when the clamp member is coupled to the front end of the holder. .

A sound collecting part in the form of a conical hole whose inner diameter decreases from rear to front may be formed on the inner circumferential surface of the opening of the holder.

The holder may be formed in a ring shape having a U-shaped cross section.

The holder has a ring-shaped inner portion formed along the rim of the opening portion, the front end of the inner portion is formed to extend radially outward, is spaced apart from the front surface of the mask by a predetermined distance, and has a plurality of vents along the circumferential direction. It includes a connecting portion formed to penetrate and an outer portion formed to extend rearwardly at the outer end of the connecting portion, and the space formed by the inner portion and the connecting portion and the outer portion of the air introduced or discharged when the user breathes. A filter unit for filtering harmful substances may be installed.

The rear end of the outer portion is formed to be spaced apart from the front surface of the mask by a predetermined distance, so that air may be introduced or discharged through between the rear end of the outer portion and the front surface of the mask.

A plurality of communication holes communicating with the filter unit may be formed to pass through the outer portion.

A male thread part may be formed on an outer peripheral surface of the rim of the holder, and a female thread part helically coupled to the male thread part may be formed on an inner peripheral surface of the clamp member.

A coupling groove or a coupling protrusion may be formed on the outer peripheral surface of the holder, and a coupling protrusion or coupling groove may be formed in the clamp member while being elastically inserted into the coupling recess or coupling protrusion of the holder.

The vibrating membrane may have a disc shape in which a forward convex dome-shaped vibration amplifier is formed in a central portion, and a forwardly convex, curved auxiliary amplified portion is formed between the rim and the vibration amplifier.

Wrinkles may be formed in the auxiliary amplifier.

According to the present invention, a vibrating membrane vibrating by sound waves is installed in a predetermined portion of the mask body (for example, the central part corresponding to the wearer's lips), and when the user makes a voice, the vibrating membrane vibrates smoothly by the sound waves. A clear voice can be transmitted to the outside by the membrane.

In particular, according to the present invention, the voice transmission unit can be easily attached to and detached from the mask by coupling or separating the holder provided with the vibrating membrane to the fixing member in a spiral coupling method. Alternatively, it can be used by replacing it with other filter units.

In addition, since the sound collecting part for collecting sound in the holder of the voice transmission unit is formed in a conical shape to increase the vibration of the diaphragm, the user's voice can be more clearly transmitted.

In particular, in the voice transmission device of the present invention, the voice transmission device can be easily attached to and detached from the mask by coupling or separating the holder provided with the vibrating membrane to the fixing member in a spiral coupling method. It can be assembled for use.

In addition, if the vibrating membrane is spaced a certain distance from the connecting part of the holder and the vent hole is formed to pass through the connecting part, when the user breathes, air can flow through the vent hole and the filter unit installed behind it. There is the advantage of being able to breathe comfortably without fear of infection while wearing a mask.

When the sound collecting part for collecting sound is formed in a conical shape on the fixing member or holder of the voice transmitting device, the vibration of the diaphragm can be increased, so that the user's voice can be more clearly transmitted.

1 is a perspective view seen from the front of a mask to which a voice transmission device for a mask according to the present invention is applied.

FIG. 2 is a perspective view seen from the rear of the mask shown in FIG. 1 .

3 is an exploded perspective view showing a voice transmission device for a mask according to an embodiment of the present invention.

FIG. 4 is a cross-sectional view of the voice transmission device for a mask shown in FIG. 3 .

5 is a view corresponding to FIG. 4, and is a cross-sectional view showing a voice transmission device for a mask according to another embodiment of the present invention.

6 is an exploded cross-sectional view showing a voice transmission device for a mask according to another embodiment of the present invention.

7 is a cross-sectional view of the voice transmission device for a mask shown in FIG.

The configuration shown in the embodiments and drawings described in this specification is only a preferred example of the disclosed invention, and there may be various modifications that can replace the embodiments and drawings of the present specification at the time of filing of the present application.

Hereinafter, a voice transmission device for a mask according to the present invention will be described in detail according to the embodiments described below with reference to the accompanying drawings.

1 to 4, the mask 1 includes a mask body 2 made of flexible fabric, paper, or resin that can block fine dust, gas, aerosol, etc., and the mask body 2 to the ear of the wearer. Or it includes a string (3) that can be hung on the back of the head. A circular installation hole 4 having a predetermined diameter is formed in the central portion of the mask body 2 to be opened, and a voice transmission device for clearly transmitting the wearer's voice is installed in the installation hole 4 . The installation hole 4 does not need to be formed in the central portion of the mask body 2 and may be formed in an eccentric position from the center of the mask body 2 to both sides by a predetermined distance.

The voice transmission device may include a fixing member 100 and a voice transmission unit 200 coupled to the periphery of the installation hole 4 of the mask body 2 in a helical coupling manner.

The fixing member 100 is formed in a circular ring shape having an inner diameter corresponding to the installation hole 4 of the mask body 2, and is spirally coupled to the holder 220 of the voice transmission unit 200 at the inner periphery of the opening. A second screw thread portion 110 for the is formed. In this embodiment, the second screw thread part 110 is made of a female thread part.

The voice transmission unit 200 is configured to be able to clearly transmit the user's voice to the outside, and the holder 220 in the form of a circular ring having an opening in the center, and the holder 220 installed at the front end of the opening a vibrating membrane 210 vibrating by sound waves, and a clamp member 230 coupled to the edge of the front end of the holder 220 to fix the edge of the vibrating membrane 210 to the edge of the holder 220 include

The holder 220 is to easily install the vibrating membrane 210 on the mask body 2 and provide effective sound collection performance, and has a ring shape with an opening 221 in the center of the holder 220 being opened. A flange 222 may be formed to protrude forward at the edge portion of the front end of the holder 220 .

In addition, the clamp member 230 having a circular ring shape is fitted to the flange 222 portion of the holder 220 to fix the edge portion of the vibrating membrane 210 with respect to the edge portion of the holder 220 . A hook-shaped locking protrusion is formed between the clamp member 230 and the flange 222 so that the clamp member 230 can be firmly fixed to the flange 222 .

A first screw thread portion 225 , which is a male screw thread portion having a screw thread formed on an outer circumferential surface thereof, is formed in a cylindrical shape on the rear portion of the holder 220 . The first screw thread portion 225 has a hollow cylindrical body shape and includes a sound collecting portion 223 communicating with the opening 221 of the holder 220 . The sound collecting part 223 is in the form of a cone-shaped hole whose inner diameter decreases from the rear to the front. It has a sound-collecting function that allows it to vibrate. The front end of the sound collecting part 223 may be formed up to the outer periphery of the opening 221 of the holder 220 , but unlike this, the front end of the sound collecting part 223 is the front of the outer periphery of the opening 221 of the holder 220 . may be formed to protrude by a predetermined distance.

The first screw thread part 225 has a diameter slightly smaller than the diameter of the installation hole 4 of the mask body 2, and passes through the installation hole 4 from the front of the mask body 2, and then the mask body ( 2) is spirally coupled to the second screw thread portion 110 of the fixing member 100 at the rear. Therefore, after the first screw thread part 225 of the holder 220 passes the installation hole 4 from the front of the mask body 2, the second screw thread part ( When the 110) is rotated in one direction (tightening direction) in accordance with the first screw thread portion 225, the periphery of the holder 220 and the fixing member 100 are in close contact with the periphery of the installation hole 4 to the mask body 2 is fixed And when the fixing member 100 and the holder 220 are relatively rotated in the opposite direction (releasing direction) to the previous one, the first screw thread part 225 is loosened from the second screw thread part 110 and the fixing member 100 and the holder 220 may be separated from each other.

The vibrating membrane 210 is in the form of a thin disk having a diameter substantially equal to or smaller than the diameter of the holder 220 , and is installed at the front end of the holder 220 , and is transmitted through the sound collecting unit 223 to the mask wearer. By vibrating by the sound waves of the wearer, the wearer's voice can be clearly transmitted to the outside. The vibrating membrane 210 may have an edge portion fixed to the edge portion of the holder 220 by the clamp member 230 as described above. At this time, the clamp member so that the edge of the vibrating membrane 210 is fixed without moving. By disposing a gasket ring 240 made of an elastic material such as rubber or silicone in the rear portion of the 230, the vibration membrane ( The edge portion of the 210 may be elastically closely supported with respect to the holder 220 .

The vibrating membrane 210 may be made of a thin cloth or a resin film so that it can vibrate smoothly by the wearer's voice. The vibrating membrane 210 is provided with a dome-shaped vibration amplifying unit 211 convex outwardly (forward) at the center to increase the amplitude of vibration by sound waves. As described above, since the vibrating membrane 210 is not made of a simple plane, but has a disk shape in which a circular dome-shaped vibration amplifier 211 is formed in the central portion, there is an advantage in that vibration by sound waves can be more smoothly.

The vibrating membrane 210 may be formed of a simple plane in the remaining part except for the vibration amplifying unit 211, that is, a portion between the vibration amplifying unit 211 and the edge, but as shown in FIGS. 3 and 4, vibration It may have a structure in which the auxiliary amplifier 212 is formed in the shape of a convex curved surface between the amplifier 211 and the edge portion, and the wrinkle portion 214 is formed in the auxiliary amplifier 212 . The corrugation portion 214 may be formed in a plurality of spirals as in this embodiment, but may also be formed in a corrugated wave shape along the radial or circumferential direction.

In addition, between the rim portion and the wrinkle portion 214 of the vibrating membrane 210 that is pressed and fixed to the flange 222 of the holder 220 by the clamp member 230, to further smooth the vibration of the vibrating membrane 210 It is preferable that the boundary unevenness 213 for the front is convex or concave.

As described above, in the voice transmission device of the present invention, a vibration membrane 210 vibrating by sound waves is disposed in a predetermined portion of the mask body 2, particularly in the central portion corresponding to the wearer's lips, and the holder 220 transmits the voice. Since the sound collecting unit 223 for collecting sound is formed, the vibration membrane 210 is smoothly vibrated by sound waves transmitted through the sound collecting unit 223 when the user makes a voice, so that the voice can be clearly transmitted to the outside of the mask. .

In particular, when the sound collecting unit 223 is formed in the holder 220 in a shape that decreases in diameter from the rear to the front, the sound wave can more smoothly travel forward by the sound collecting unit 223 to vibrate the vibrating membrane 210 . Therefore, the voice can be transmitted more clearly to the outside.

In addition, the user relatively rotates the first screw thread part 225 of the voice transmission unit 200 and the second screw thread part 110 of the fixing member 100 to easily attach the voice transmission unit 200 to the fixing member 100 . Since it can be combined or separated, the voice transmission unit 200 may be replaced with a new voice transmission unit 200 or a filter unit provided with activated carbon, etc., or after washing the voice transmission unit 200, the fixing member ( 100) can be used in combination.

Meanwhile, in the above embodiment, the fixing member 100 is separated from the mask body 2 and coupled to the first screw thread portion 225 of the holder 220 at the rear of the mask body 2, but differently As shown in 5, the fixing member 100 is firmly bonded to the front or rear of the periphery of the installation hole 4 of the mask body 2 with an adhesive or the like, and only the voice transmission unit 200 is coupled to the fixing member 100. It may be used separately or separately.

6 and 7 show another embodiment of the voice transmission device, in which the voice transmission device of this embodiment is formed with a female thread part as the first thread part 225 on the inner circumferential surface of the opening of the holder 220, and a fixing member ( As the second screw thread part 110 in the front part of 100 , it has a configuration in which a male thread part having a thread is formed on the outer circumferential surface, and the second thread part 110 of the fixing member 100 is installed from the rear of the mask body 2 . After being inserted into the ball 4, the holder 220 is helically coupled to the second screw thread portion 110 of the fixing member 100 from the front of the mask body 2, so that the voice transmission device can be detached from the mask.

As in the above-described embodiment, the vibrating membrane 210 , the clamp member 230 , and the gasket ring 240 may be installed in the holder 220 . At the rear of the opening of the fixing member 100 , a sound collecting part 223 for collecting sound may be formed in a conical shape whose diameter decreases toward the front.

Meanwhile, in the above-described embodiments, the holder 220 is installed in the installation hole 4 of the mask body 2 by the fixing member 100, but as in the embodiment shown in FIGS. 8 to 11 , the holder 220 ) on the outer circumferential surface of the mask body 2, a coupling groove 226 to which the peripheral portion of the installation hole 4 of the mask body 2 is fitted and coupled is formed along the circumferential direction, so that the holder 220 is installed in the installation hole 4 of the mask body 2 may be directly coupled to the periphery of

In addition, in this embodiment, a male threaded part 227 is formed on the outer peripheral surface of the front part of the holder 220 , and a female threaded part 235 that is helically coupled to the male threaded part 227 is formed on the inner peripheral surface of the clamp member 230 . As the member 230 is coupled to the holder 220 in a helical coupling manner, an edge portion of the vibrating membrane 210 may be fixed to the holder 220 .

12 to 14 show another embodiment of a voice transmission device according to the present invention, wherein the voice transmission device of this embodiment is fixedly coupled to the periphery of the installation hole 4 of the mask body 2 in a helical coupling manner. It includes a member 100 , a holder 220 , a vibrating membrane 210 , a clamp member 230 , and a filter unit 500 .

The fixing member 100 is made in the form of a circular ring having an inner diameter corresponding to the installation hole 4 of the mask body 2, and a thread for helical coupling with the holder 220 is provided at the periphery of the opening 101 on the outer circumferential surface. The second screw thread portion 110 formed in the front is formed to protrude. That is, the second screw thread part 110 is made of a male thread part.

A sound collecting part 120 communicating with the opening 221 of the holder 220 is provided immediately behind the opening 101 of the fixing member 100 . The sound collecting part 120 is in the form of a cone-shaped hole whose inner diameter decreases from the rear to the front, and by concentrating the sound waves generated by the user's vocalization toward the front vibrating membrane 210, the vibrating membrane 210 is more smoothly It has a sound-collecting function that allows it to vibrate.

The holder 220 is formed with an opening 221 open at the center, and has a double ring shape having a 'U'-shaped cross section. Specifically, the holder 220 includes a ring-shaped inner portion 220a having an opening 221 communicating with the installation hole 4 of the mask body 2, and a front end portion of the inner inner portion 220a in a radial direction. It includes a connecting portion 220c formed to extend from the front surface of the mask body 2 and spaced apart from the front surface of the mask body 2 by a predetermined distance, and a plurality of vent holes 228 formed to penetrate through the connecting portion 220c. At the outer end of the connecting portion 220c, an outer portion 220b covering the outer surface of the filter unit 500 is formed to extend rearward. The inner portion 220a, the connecting portion 220c, and the outer portion 220b form an approximately 'U' shape.

A first screw thread portion 225 helically coupled to the second screw thread portion 110 of the fixing member 100 is formed on the inner circumferential surface of the inner wall portion 220a. That is, the first screw thread part 225 is formed in the form of a female thread part. The inner diameter of the inner portion 220a may be substantially equal to or slightly smaller than the inner diameter of the installation hole 4 of the mask body 2 . Therefore, after placing the holder 220 in front of the installation hole 4 of the mask body 2, the second screw thread portion 110 of the fixing member 100 at the rear of the installation hole 4 of the mask body 2 When aligning with the first screw thread portion 225 of the inner portion 220a and rotating in the tightening direction, the holder 220 and the fixing member 100 are coupled to each other and are closely fixed to each of the front and rear surfaces of the mask body 2 do.

And when the fixing member 100 and the holder 220 are relatively rotated in the opposite direction (releasing direction) to the previous one, the first screw thread part 225 of the inner wall part 220a is loosened from the second screw thread part 110 and is fixed. The member 100 and the holder 220 may be separated from each other.

As described above, the inner portion 220a, the connecting portion 220c, and the outer portion 220b have a U-shape, and when installed in the front of the mask body 2, the connecting portion 220c is the mask body 2 A space in which the filter unit 500 is installed is provided in the holder 220 by being spaced apart from the peripheral portion of the installation hole 4 by a predetermined distance. The outer portion 220b constituting the outer circumferential surface of the holder 220 may have a rear end formed to be spaced apart from the front surface of the mask body 2 by a certain distance for the inflow and outflow of air, but as shown in FIG. 14 , a plurality of communication holes A 224a may be formed, or a porous ventilation portion 224b in which innumerable micropores are formed as shown in FIG. 15 may be provided.

In addition, on the outer peripheral surface of the outer peripheral portion 220b of the holder 220, a male screw thread portion 227 for coupling with the clamp member 230 is formed. However, as shown in FIG. 16 , the coupling protrusion 229 is formed to protrude from the outer circumferential surface of the outer portion 220b of the holder 220 , and the coupling protrusion 229 of the holder 220 is formed on the inner circumferential surface of the clamp member 230 . By forming a coupling groove 236 to be coupled while being elastically inserted, the clamp member 230 may be detachably coupled to the edge portion of the holder 220 . Of course, on the contrary, a coupling groove is concavely formed on the outer circumferential surface of the outer portion 220b of the holder 220, and the coupling protrusion coupled while being elastically inserted into the coupling groove of the holder 220 on the inner circumferential surface of the clamp member 230 is formed. By forming the clamp member 230 may be detachably coupled to the edge portion of the holder (220).

The vibrating membrane 210 is a thin disk-shaped membrane having a diameter that is substantially the same as or slightly smaller than the diameter of the holder 220 and is installed at a predetermined distance in front of the connecting part 220c of the holder 220, By vibrating by the sound wave of the mask wearer transmitted through the sound collecting unit 120, the wearer's voice can be clearly transmitted to the outside. Since the vibrating membrane 210 and the connecting unit 220c are spaced apart by a predetermined distance, when the user breathes, air smoothly moves through the vent 228 through the vibrating membrane 210 and the connecting unit 220c, so that the user is comfortable. be able to breathe properly.

The vibrating membrane 210 may have an edge portion fixed to the edge portion of the holder 220 by the clamp member 230 as described above. A gasket ring made of an elastic material such as rubber or silicone between the end of the connecting portion 220c of the holder 220 and the rim of the vibrating membrane 210 so that the 210 is spaced apart from the connecting portion 220c by a predetermined distance. By disposing 240 , when the clamp member 230 is coupled to the edge of the front end of the holder 220 , the edge portion of the vibrating membrane 210 can be elastically and closely supported with respect to the holder 220 .

Since the vibration membrane 210 can be used in the same manner as applied to the voice transmission device of the above-described embodiments, a detailed description thereof will be omitted.

The clamp member 230 is formed in a circular ring shape having an approximately 'L'-shaped cross-section, and a female threaded part 235 that is helically coupled to the male threaded part 227 of the holder 220 is formed on the inner circumferential surface. Therefore, after aligning the gasket ring 240 and the vibrating membrane 210 in front of the holder 220, the female threaded part 235 of the clamp member 230 is aligned with the male threaded part 227 of the holder 220 and then rotated. As the clamp member 230 is spirally coupled to the holder 220 , the gasket ring 240 and the edge of the vibrating membrane 210 are fixed to the holder 220 and the clamp member 230 . Of course, as shown in FIG. 16 , a coupling protrusion 229 is formed to protrude from the outer circumferential surface of the outer portion 220b of the holder 220 , and a coupling groove 236 is formed on the inner circumferential surface of the clamp member 230 to form a coupling protrusion. The clamp member 230 may be detachably coupled to the edge portion of the holder 220 by coupling between the 229 and the coupling groove 236 .

The filter unit 500 can prevent infection and health deterioration by filtering and removing harmful components in the air flowing in from the outside and air discharged from the user, for example, fine dust or viruses when the user breathes. .

In this embodiment of the mask voice transmission device, a vibration membrane 210 vibrating by sound waves in a predetermined portion of the mask body 2, in particular, in the central portion corresponding to the lips of the wearer is easily installed and detached by the holder 220. , since the sound collecting unit 120 for collecting voice is formed on the fixing member 100, the vibration membrane 210 is smoothly vibrated by the sound wave transmitted through the sound collecting unit 120 when the user makes a voice. It can transmit voice clearly to the outside.

In addition, the user relatively rotates the first screw thread portion 225 formed in the inner portion 220a of the holder 220 and the second screw thread portion 110 of the fixing member 100 to attach the holder 220 to the fixing member 100 . Since the holder 220 can be easily coupled or separated, it can be used by replacing the holder 220 with a new one, or after washing the holder 220, it can be used by being coupled to the fixing member 100 again.

In addition, the vibrating membrane 210 is spaced apart from the connecting portion 220c of the holder 220 by a predetermined distance, and the connecting portion 220c has a vent 228 penetrating therethrough, and the connecting portion 220c and the mask body are formed. The filter unit 500 is installed between the front surfaces of (2), so that air can flow through the vent 228 and the filter unit 500 when the user breathes, so that the user wears a mask. You can breathe comfortably without fear of infection.

17 shows another embodiment of the mask voice transmission device. The mask voice transmission device of this embodiment includes a fixing member 100, a gasket ring 240, a vibration membrane 210, and a clamp member 230. It is the same as or similar to the above embodiment, but there is a difference in the configuration of the holder 220 . That is, this embodiment exemplifies a configuration in which the holder 220 having a U-shaped cross section is mounted upside down.

In the holder 220 of this embodiment, a first screw thread part 225 for coupling with the second screw thread part 110 of the fixing member 100 is formed on the inner circumferential surface of the inner wall part 220a in which the opening 221 is formed. and a connecting portion 220c is formed to extend radially outwardly at the rear end of the inner portion 220a to have a configuration in close contact with the front surface of the mask body 2 . And the coupling protrusion 229 is formed to protrude from the outer circumferential surface of the outer part 220b of the holder 220, and the coupling protrusion 229 of the holder 220 is elastically inserted and coupled to the inner circumferential surface of the clamp member 230. By forming a coupling groove 236 , the clamp member 230 may be detachably coupled to the edge portion of the holder 220 .

On the other hand, in the above-described embodiment, the first screw thread part 225 functioning as a female screw part is formed on the inner circumferential surface of the inner shell part 220a of the holder 220 , and the first screw thread part 225 is formed in the front part of the fixing member 100 . Although the second screw thread part 110 helically coupled to the first screw thread part 225 is formed, as shown in FIG. 18 , the inner wall part 220a extends rearward and a thread is formed on the outer peripheral surface of the first screw thread part ( 225) is made of a male screw structure, and the second screw thread part 110 is formed in a female screw part structure on the inner circumferential surface of the opening 101 of the fixing member 100, and the holder 220 and the fixing member 100 are coupled to each other. you might be able to do it In this case, the sound collecting part 223 may be integrally formed with the opening 221 of the holder 220 .

In the above, the present invention has been described in detail with reference to the embodiments, but those of ordinary skill in the art to which the present invention pertains may make various substitutions, additions and modifications within the scope without departing from the technical spirit described above. Of course, it should be understood that such modified embodiments also fall within the protection scope of the present invention as defined by the utility model registration claims attached below.

The present invention can be applied to a mask that covers the entire mouth of the wearer, and in particular, can be applied as a voice transmission device for a mask that is mounted on the mask and can clearly transmit the voice while vibrating by the voice of the mask wearer.

Claims

a ring-shaped holder having an opening communicating with the installation hole formed to be open to the mask and coupled to the installation hole of the mask;

a vibrating membrane coupled to the holder and vibrating by the sound wave of the mask wearer transmitted through the opening of the holder; and,

a ring-shaped clamp member coupled to the front of the holder and fixing the rim of the vibrating membrane to the rim of the holder;

A voice transmission device for a mask comprising a.
The method of claim 1, further comprising a fixing member formed in a ring shape having an opening communicating with the opening of the holder and the installation hole of the mask, and fixing the holder to the periphery of the installation hole of the mask while being coupled to the holder from the rear of the holder. A voice transmission device for a mask, including.
According to claim 2, wherein a first screw thread portion is formed on the holder, and a second screw thread portion helically coupled to the first screw thread portion is formed on the fixing member, so that the holder and the second screw thread portion are helically coupled to each other. A voice transmission device for a mask in which the fixing members are fixed to each other around the installation hole of the mask.
4. The method of claim 3, wherein the first screw thread portion of the holder is formed in a cylindrical shape on the rear portion of the holder and consists of a male screw thread portion having a thread formed on an outer circumferential surface,

The second screw thread portion of the fixing member is a voice transmission device for a mask comprising a female screw thread portion formed on the inner circumferential surface of the fixing member.
The method of claim 3, wherein the first screw thread portion of the holder is made of a female screw thread portion formed on the inner peripheral surface of the opening of the holder,

The second screw thread portion of the fixing member is formed in a cylindrical shape on the front portion of the fixing member, the voice transmission device for a mask consisting of a male screw thread formed on the outer circumferential surface of the fixing member.
3. The method of claim 2,

In a state in which the holder and the fixing member are separated from the mask, the mask voice transmission device is fixed in close contact with the periphery of the installation hole while being coupled through the installation hole of the mask at each of the front and rear portions of the mask.
4. The method of claim 3,

The fixing member is bonded around the installation hole of the mask to maintain a fixed state, so that only the voice transmission unit can be detached from the mask by helically coupling or releasing the first screw thread part of the holder to the second screw thread part of the fixing member. A voice transmission device for masks.
[Claim 3] The voice transmitting device for a mask according to claim 2, wherein a sound collecting part is formed on the inner circumferential surface of the opening of the fixing member in the form of a conical hole whose inner diameter decreases from rear to front.
[Claim 2] The voice transmitting device for a mask according to claim 1, wherein a coupling groove is formed along the circumferential direction on the outer circumferential surface of the holder to be fitted with a periphery of the installation hole of the mask.
10. The method of claim 9, wherein a ring-shaped male thread portion is formed in the front of the holder, the rim of the vibrating membrane is seated on the front end of the male screw thread portion, and the female thread portion is helically coupled to the inner circumferential surface of the clamp member to the male thread portion of the holder. is formed and the edge of the vibrating membrane is pressed and fixed between the front end of the clamp member and the front end of the male screw thread of the holder while the clamp member is coupled to the holder.
The voice transmission device for a mask according to claim 1, further comprising a gasket ring made of an elastic material disposed on the rear portion of the clamp member to elastically support the edge of the vibrating membrane when the clamp member is coupled to the front end of the holder.
[Claim 2] The voice transmitting device for a mask according to claim 1, wherein a sound collecting part in the form of a conical hole whose inner diameter decreases from rear to front is formed on the inner circumferential surface of the opening of the holder.
The voice transmitting device for a mask according to claim 1, wherein the holder has a ring shape having a U-shaped cross section.
14. The method of claim 13, wherein the holder has a ring-shaped inner portion formed along the edge of the opening portion, the front end of the inner portion is formed to extend outwardly in the radial direction to be spaced apart from the front surface of the mask by a certain distance in the circumferential direction. It includes a connecting portion having a plurality of vent holes to pass therethrough, and an outer portion formed to extend rearwardly at an outer end of the connecting portion,

A voice transmission device for a mask in which a filter unit for filtering harmful substances in the air introduced or discharged when the user breathes is installed in the space formed by the inner part, the connecting part, and the outer part.
The voice transmitting device for a mask according to claim 14, wherein the rear end of the outer portion is formed to be spaced apart from the front surface of the mask by a predetermined distance so that air can be introduced or discharged through between the rear end of the outer portion and the front surface of the mask.
The voice transmitting device for a mask according to claim 14, wherein a plurality of communication holes communicating with the filter unit are formed in the outer portion to pass through.
[Claim 3] The voice transmission device for a mask according to claim 1, wherein a male thread part is formed on an outer circumferential surface of an edge of the holder, and a female thread part is formed on an inner circumferential surface of the clamp member to be helically coupled to the male thread part.
According to claim 1, wherein a coupling groove or a coupling protrusion is formed on the outer circumferential surface of the holder, and the coupling protrusion or coupling groove is formed in the clamp member while being elastically inserted into the coupling recess or coupling protrusion of the holder. Device.
According to claim 1, wherein the vibrating membrane, a forward convex dome-shaped vibration amplifying portion is formed in a central portion, and a disk-shaped auxiliary amplifying portion in the forward convex curved shape is formed between the rim portion and the vibration amplifying portion. Device.
[Claim 20] The voice transmission device for a mask according to claim 19, wherein the auxiliary amplifying unit is wrinkled.