WO2019198842A1

WO2019198842A1 - Respirator

Info

Publication number: WO2019198842A1
Application number: PCT/KR2018/004266
Authority: WO
Inventors: 한명일
Original assignee: 한명일
Priority date: 2018-04-12
Filing date: 2018-04-12
Publication date: 2019-10-17

Abstract

The present invention relates to a respirator and, more specifically, to a respirator smoothly guiding and discharging the air therein, thereby preventing lenses from fogging up and, simultaneously, enabling the removal of foreign matter from the surface of the lenses. To this end, the present invention provides a respirator, which comprises: a mask for encompassing the entire face; lenses for ensuring a clear view; a vent part for discharging breathing gas to the outside of the mask; a purification container for purifying the air to be suctioned into the mask; and a pocket part formed inside the mask so as to separately encompass the mouth and nose parts of a wearer, thereby guiding inhaled air and exhaled air, and further comprises: a support frame for supporting the lenses; an air discharge and foreign matter removal device provided at the support frame in the upper region of the lenses so as to suction and discharge the air in the space inside the mask and, simultaneously, spray the discharged air at the outer surface of the lenses, thereby preventing the lenses from fogging up and removing the foreign matter stuck to the outer surface of the lenses; a power switch connected to the air discharge and foreign matter removal device by a cable so as to supply and cut off current, thereby controlling the on/off thereof; and an air discharge part provided on the outer side of the pocket part so as to discharge, to the space inside the mask, the breathing gas obtained by inhaling the air flowing in through the purification container and exhaling same.

Description

gas mask

The present invention relates to a gas mask, and more particularly, to a gas mask that prevents the occurrence of fog on the lens and removes foreign substances on the lens surface, because it smoothly guides and discharges the internal air of the gas mask.

In general, gas masks are used to protect the human body from toxic gases and harmful substances, and are generally used by military personnel, police officers, and workers working in hazardous environments.

The gas mask serves to help the wearer breathe without discomfort in an area contaminated by toxic gas and harmful substances, such as a mask surrounding a face, a lens to secure a field of view, and a It is installed on one side and configured to include an exhaust valve for allowing the voice transmission to the outside and the breathing gas of the wearer to be discharged to the outside of the mask, and a purifying tank for purifying the air sucked into the mask.

In other words, the gas mask configured as described above serves to help the wearer to breathe in an area contaminated by toxic gas and harmful substances without inconvenience, and filters the contaminated air using a purifier to filter the intake unit. By breathing through, and by exhausting the air sucked by the wearer through the exhaust unit, it is possible to breathe safely in contaminated areas.

In addition, a pocket part is provided in the mask to cover the wearer's nose and mouth to perform a smooth breathing. The pocket part serves to guide the inhalation and exhalation exhaled by the wearer when breathing.

That is, by inhaling fresh air, the carbon dioxide spitting out does not remain in the mask and is discharged to the outside, thereby guiding the flow of air to allow the wearer to breathe smoothly.

However, the conventional mask as described above has a problem that it is difficult to secure the field of vision due to the fog generated by the moisture on the inner surface of the lens by the temperature difference between the inside and outside.

As such, if the fog is generated on the lens, safety accidents may occur during work or work, and in particular, precision work may not be performed and work efficiency may be reduced.

The present invention provides a gas mask to smoothly guide and discharge the air inside the gas mask to prevent the occurrence of fog on the lens and to remove foreign substances from the lens surface.

The present invention for achieving the above object is formed in the mask, the lens to secure the field of view, the exhaust for discharging the breathing gas to the outside of the mask, the purifying tank for purifying the air sucked into the mask and formed in the mask A gas mask comprising a pocket for guiding inhalation and exhalation of the wearer's mouth and nose separately, the support frame supporting the lens; An air provided in the support frame in the upper region of the lens to inhale and discharge the air in the inner space of the mask and at the same time to spray the discharged air to the outer surface of the lens to remove foreign substances on the outer surface of the lens while preventing the lens from fog. Exhaust and debris removal device; A power switch connected to the air discharge and foreign matter removing device and a cable to supply and cut off current to control on / off; And an air discharge unit installed at an outside of the pocket part to discharge the breathing gas spouted by the air introduced through the purifying container into the internal space of the mask.

In addition, the air discharge and foreign matter removal device is an air discharge means for smoothly discharging the internal air of the mask to the outside and at the same time block the inflow of external air; And foreign matter removal means disposed over the inner and outer sides of the support frame to remove foreign substances by spraying the air discharged through the air discharge means to the outer surface of the lens.

The air exhaust means is disposed in the opening formed in the inner side of the support frame, the upper and lower opening fan duct is formed; An air circulation fan provided in the fan duct; A fan motor for rotating the air circulation fan; A battery provided in the support frame to provide power to a fan motor; A body part disposed on an upper portion of the fan duct and having a plurality of through holes formed on an upper surface thereof; And an opening / closing valve member fixed to a pin at a center of an upper end of the body to maintain a closed state by covering a plurality of through holes.

The foreign material removing means is disposed over the inside and outside of the support frame, one side is horizontally arranged horizontally to cover the air discharge means, and the other side is vertically disposed to protrude to the front of the support frame, the protruding end It characterized in that it comprises a vertical duct portion facing the outer surface of the lens.

In addition, the inside of the horizontal duct is characterized in that the guide plate for guiding the air discharged through the air discharge means to be moved to the vertical duct smoothly.

The on-off valve member may be formed of any one selected from thin soft silicone or rubber.

In addition, the air discharge portion is formed with a plurality of discharge holes, the opening and closing member is provided to cover the plurality of discharge holes to maintain a closed state, the opening and closing member is provided on the outer surface of the pocket portion to block inhalation and discharge only exhalation It is characterized by one.

According to the present invention, it is possible to smoothly guide and discharge the internal air of the gas mask to prevent the occurrence of fog on the lens and at the same time remove the foreign matter on the lens surface.

1 is a front view schematically showing the entire gas mask according to the present invention.

Figure 2 is a partial side cross-sectional view schematically showing a state in which the air discharge and debris removal device is installed in the support frame of the gas mask according to the present invention.

Figure 3 is a partial side cross-sectional view schematically showing a state in which the air discharge and foreign matter removal apparatus in the state of FIG.

Figure 4 is a perspective view showing a state in which the air discharge and debris removal device of the gas mask according to the present invention.

Figure 5 is a perspective view showing a state before the air discharge means of the gas mask in accordance with the present invention.

Figure 6 is a perspective view showing a state in which the air discharge means of the gas mask in accordance with the present invention.

Figure 7 is a perspective view schematically showing a state in which the opening and closing member is installed in the pocket portion of the gas mask according to the present invention.

The present invention is formed in the best form, a mask that covers the entire face, a lens to secure the field of view, an exhaust for discharging the respiratory gas to the outside of the mask, a purifying tank for purifying the air sucked into the mask and is formed in the mask In the gas mask including a pocket to wrap the mouth and nose of the wearer separately to guide the inhalation and exhalation,

A support frame supporting the lens;

An air provided in the support frame in the upper region of the lens to inhale and discharge the air in the inner space of the mask and at the same time to spray the discharged air to the outer surface of the lens to remove foreign substances on the outer surface of the lens while preventing the lens from fog. Exhaust and debris removal device;

A power switch connected to the air discharge and foreign matter removing device and a cable to supply and cut off current to control on / off; And

It is installed on the outside of the pocket portion is an air exhaust unit for discharging the breathing gas spouted by the air introduced through the purifying container to the inner space of the mask; proposes a gas mask comprising a.

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

In the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily flow the gist of the present invention, the detailed description thereof will be omitted.

The following terms are terms set in consideration of functions in the present invention, which may vary depending on the intention or custom of the producer, and their definitions should be made based on the contents throughout the specification.

In addition, the size and thickness of each configuration shown in the drawings are arbitrarily shown for convenience of description, the present invention is not necessarily limited to those shown in the drawings.

First, the gas mask 1 according to the present invention includes a mask 2 covering the entire face, a lens 3 to secure a field of view, an exhaust unit 4 for discharging breathing gas to the outside of the mask, and a mask 2. It comprises a purifying container (5) for purifying the air sucked into the inside and the pocket (6) formed in the mask (2) to surround the wearer's mouth and nose separately to guide inhalation and exhalation.

In particular, since the gas mask 1 according to the present invention smoothly induces and discharges internal air, it is possible to remove foreign substances on the lens surface while preventing fogging of the lens, and support frame 100 and air discharge. And a foreign material removing apparatus 200, a power switch 300, and an air discharge unit 400.

The support frame 100 is a structure for supporting the lens (3). In this case, the support frame 100 may be an injection molded plastic.

The support frame 100 is disposed around the lens 3 to protect the lens 3, in the present embodiment, the support frame 100 has an upper portion where the air discharge and debris removal device 200 is disposed. It is made thicker. Therefore, to facilitate the installation and maintenance of the air discharge and debris removal device 200.

The air discharge and debris removal device 200 is provided on the support frame 100 in the upper region of the lens 3 to suck and discharge the air in the space inside the mask 2 and simultaneously discharge the air discharged from the lens 3. It sprays to the outer surface to prevent debris of the lens 3 to remove foreign matters on the outer surface of the lens 3, the air discharge and foreign matter removal device 200 of the mask (2) Air discharge means 210 for smoothly discharging the internal air to the outside and at the same time block the inflow of external air.

In addition, the foreign material removing means 220 is disposed over the inside and outside of the support frame 100 to remove the foreign matter by spraying the air discharged through the air discharge means 210 to the outer surface of the lens (3).

The air discharge means 210 includes a fan duct 211, an air circulation fan 212, a fan motor 213, a battery 214, a body 215, and an open / close valve member 216. do.

The fan duct 211 is disposed in the opening 110 formed inside the support frame 100.

In addition, opening holes 211a are formed on the upper and lower surfaces of the fan duct 211. Therefore, when the air circulation fan 212 is operated, the air located in the inner space of the mask 2 is discharged through the opening hole of the fan duct 211 in the direction of the arrow shown in FIG. Can head.

The air circulation fan 212 is a fan provided in the fan duct 211. As described above, an air flow is formed so that air located in the inner space of the mask 2 is discharged through the opening hole 211a when rotating.

The fan motor 213 rotates the air circulation fan 212.

At this time, the fan motor 213 is connected to the power switch 300 and the cable is driven in accordance with the on / off control of the power switch 300.

The battery 214 is provided in the support frame 100 to provide power to the fan motor 213.

At this time, the battery 214 is disposed detachably or charge-mounted to be replaceable, in the case of the removable may be provided with a door (not shown in the figure) for replacing the battery 214 on top of the support frame 100. have.

In addition, when the battery 214 is a charging fixed type, it may be charged through a charging USB terminal (not shown) provided in the support frame.

The body portion 215 is disposed above the fan duct 211, and a plurality of through holes 215a are formed to allow air discharged through the opening hole 211a of the fan duct 211 to be discharged again.

The on-off valve member 216 is fixed to the upper end of the body portion 215 by a fixing pin 217 to cover the plurality of through-holes (215a) formed in the body portion 215 to be sealed to prevent external air from entering By maintaining the closed state, the on-off valve member 216 may be formed of any one selected from thin soft silicone or rubber.

That is, the opening and closing valve member 216 is masked as the through hole 215a while being reversed upward by the air pressure of the air discharged through the through hole 215a of the body portion 215 as the air circulation fan 212 is operated. When the air in (2) is smoothly discharged and the operation of the air circulation fan 212 stops, the inverted open / close valve member 216 is lowered and restored to cover the through hole 215a, so that the outside air flows into the through hole 215a. It prevents it from becoming.

The foreign matter removing means 220 is disposed over the inside and outside of the support frame 100 so that the air in the mask 2 discharged from the air discharge means 210 is smoothly moved to the lens 3 so that In order to remove the foreign matter on the outer surface, one side of the foreign matter removing means 220 is formed with a horizontal duct portion 221 disposed horizontally to cover the air discharge means 210, the support frame 100 on the other side It is disposed vertically so as to project to the bottom of the (), the protruding end includes a vertical duct portion 222 facing the outer surface of the lens (3).

In this case, a guide plate 221a may be formed in the horizontal duct 221 to guide the air discharged through the air discharge means 210 to the vertical duct 222 smoothly.

The power switch 300 is connected to the air discharge and debris removal device 200 by a cable to control the on / off by supplying and blocking the current, it can be installed on one side of the upper end of the support frame (100).

On the other hand, the power switch 300 is shown in the drawing to be integrally installed on the support frame 100 to be used as a button type, but is not limited to this may be controlled through a separate wireless remote control (not shown in the figure). It is desirable to have.

In addition, although the above-described air discharge and foreign matter removal apparatus 200 is illustrated as being provided in pairs in the drawings, it is preferable that one may be applied for a long time without being limited thereto.

The air discharge unit 400 is installed on the outside of the pocket portion 6 to discharge the breathing gas spit inhaled by the air flowing through the purifying container 5 into the internal space of the mask 2, the air discharge unit 400, a plurality of discharge holes 410 are formed, and the opening and closing member 420 is provided to cover the plurality of discharge holes 410 and maintain a sealed state.

At this time, the opening and closing member 420 is the same as the above-described opening and closing valve member 216, it is provided on the outer surface of the pocket portion 6 to block the inhale and to discharge only exhalation.

That is, the wearer inhales the air introduced through the purifying container 5, and then immediately opens and closes the opening and closing member 420 by exhaling exhalation, thereby covering the discharge hole 410 and simultaneously supplying air in the mask 2. Prevents the air in the mask 2 from entering the pocket part 6 so that the air always remains in the mask 2 so that the air in the mask 2 can be smoothly discharged through the air discharge and debris removal device 200. It was made to be possible.

Referring to the operation of the gas mask 1 of the present invention configured as described above are as follows.

If the wearer wears the gas mask 1 and a certain amount of time occurs and the rim occurs in the lens 3, the air circulation fan 212 operates as the wearer presses the power switch 300 to drive the fan motor 213. When the air located in the inner space of the mask 2 is returned to the plurality of through holes 215a formed in the body 215 through the opening hole 211a of the fan duct 211 along the arrow direction shown in FIG. 3. The discharge may be directed to the foreign matter removing means 220. Therefore, the fogging of the lens 3 can be prevented.

Meanwhile, since air is continuously provided to the internal space of the mask 2 through the air discharge unit 400 provided in the pocket part 6, air in the internal space of the mask 2 is supplied through the air discharge unit 210. It is to be able to discharge to the outside smoothly.

The air directed to the foreign matter removing means 220 is injected through the protruding end of the vertical duct portion 222 facing the outer surface of the lens 3 to face the outer surface of the lens 3. Therefore, the foreign matter on the outer surface of the lens 3 can be removed or the foreign matter on the outer surface of the lens 3 can be prevented.

As described above, the present invention is not limited to the described embodiments, and various modifications and changes can be made without departing from the spirit and scope of the present invention, which will be apparent to those skilled in the art. Therefore, such modifications or variations will have to be belong to the claims of the present invention.

The technical idea of the gas mask of the present invention is that the same result can be repeatedly performed, and in particular, by implementing the present invention, it is possible to promote technology development and contribute to industrial development, which is worth protecting.

Claims

A mask that covers the entire face, a lens that secures the field of view, an exhaust unit for discharging breathing gas to the outside of the mask, a purifying tank for purifying the air sucked into the mask, and a mask formed in the mask to separate the wearer's mouth and nose In the gas mask including the pocket part which I wrapped, and can guide inhalation and exhalation,

A support frame supporting the lens;

An air provided in the support frame in the upper region of the lens to inhale and discharge the air in the inner space of the mask and at the same time to spray the discharged air to the outer surface of the lens to remove foreign substances on the outer surface of the lens while preventing the lens from fog. Exhaust and debris removal device;

A power switch connected to the air discharge and foreign matter removing device and a cable to supply and cut off current to control on / off; And

And an air discharge unit installed outside the pocket to discharge the breathing gas spouted by the air introduced through the purifying container into the inner space of the mask.
The method of claim 1,

The air discharge and foreign matter removal device,

An air discharge means for smoothly discharging the internal air of the mask to the outside and blocking the inflow of external air; And

It is disposed over the inside and outside of the support frame to remove the foreign matter by spraying the air discharged through the air discharge means to the outer surface of the lens;

The air discharge means,

A fan duct disposed in an opening formed inside the support frame and having opening holes formed on upper and lower surfaces thereof;

An air circulation fan provided in the fan duct;

A fan motor for rotating the air circulation fan;

A battery provided in the support frame to provide power to a fan motor;

A body portion disposed above the fan duct and having a plurality of through holes formed on an upper surface thereof; And

It includes a; opening and closing valve member fixed to the center of the upper end of the body portion to cover the plurality of through holes to maintain a closed state,

The foreign material removing means,

It is disposed over the inner and outer sides of the support frame, one side is horizontally arranged horizontally to cover the air discharge means, and the other side is vertically disposed so as to project to the front of the support frame, the protruding end is the outer surface of the lens Gas mask comprising a vertical duct facing toward the.
The method of claim 2,

Gas masks, characterized in that the guide plate is formed in the horizontal duct to guide the air discharged through the air discharge means to move to the vertical duct smoothly.
The method of claim 2,

The on-off valve member is a gas mask, characterized in that formed of any one selected from thin soft silicone or rubber.
The method of claim 1,

The air discharge unit is provided with a plurality of discharge holes, the opening and closing member is provided to cover the plurality of discharge holes to maintain a closed state,

The opening and closing member is provided on the outer surface of the pocket part gas mask characterized in that to block the inhalation and discharge only exhalation.