WO2016167531A1 - Masque à gaz de type cagoule - Google Patents

Masque à gaz de type cagoule Download PDF

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Publication number
WO2016167531A1
WO2016167531A1 PCT/KR2016/003825 KR2016003825W WO2016167531A1 WO 2016167531 A1 WO2016167531 A1 WO 2016167531A1 KR 2016003825 W KR2016003825 W KR 2016003825W WO 2016167531 A1 WO2016167531 A1 WO 2016167531A1
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WO
WIPO (PCT)
Prior art keywords
hood
exhaust valve
ring
strap
connector unit
Prior art date
Application number
PCT/KR2016/003825
Other languages
English (en)
Korean (ko)
Inventor
김종기
Original Assignee
주식회사 산청
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 산청 filed Critical 주식회사 산청
Publication of WO2016167531A1 publication Critical patent/WO2016167531A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/04—Gas helmets
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/082—Assembling eyepieces, lenses or vision-correction means in or on gas-masks
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/084—Means for fastening gas-masks to heads or helmets
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/10—Valves

Definitions

  • the present invention relates to a hood-type gas mask, and more particularly, to a hood-type gas mask that can be minimized in volume and easy to store and carry.
  • Gas masks are worn to prevent the inhalation of harmful substances in the air and to protect the face, and can be classified into full face type, half face type, and hood type according to their structure.
  • the full face gas mask is provided with a facepiece that adheres to the entire face of the wearer and prevents ambient air from entering, a facial lens formed on the anterior eye so that the wearer can look forward, and is contaminated by the anterior eye.
  • a cartridge that filters the air that has been exhausted, an inhalation valve that is installed in the canister to allow air to enter the eye area and prevents the wearer's air from being exhausted, and the air that the user breathes out of the Exhalation valve is provided in the front eye portion, and the head harness wraps around the back of the wearer's head to close the front eye portion to the wearer's face.
  • Such a full face gas mask provides a wide field of view to the wearer and is used for fire fighting, military use, etc. because the gas mask has a structure in which the gas mask is not peeled off even when the wearer's violent motion is removed.
  • the half face type gas mask is similar to the full face type described above, but consists of a structure in which a purifier, an intake valve, an exhaust valve, and a control strap are installed in a nose mask that isolates the wearer's mouth and nose from the outside.
  • a half face gas mask has a structure suitable for wearing by workers operating at high dust density in the atmosphere such as coal mines, chemical plants, construction sites, and the like.
  • the hooded gas mask is mainly used for evacuation and rescue in case of emergency such as fire, such as subway, department store, etc., so that it can be easily worn by ordinary people without professional training.
  • a hood-shaped hood that covers the entire head is equipped with a face lens, nose mask, purifier, intake valve, exhaust valve and control strap.
  • FIG. 1 is a cross-sectional view showing a conventional hooded gas mask.
  • the hood-type gas mask according to the prior art is provided with a face lens (2) in the hood (1), the purifying tank (4) is installed in the vent hole (3) formed in the hood (1).
  • a ring-shaped barrier film 5 is formed inside the hood 1 to allow the wearer's head to enter and isolate the head and the outside, and the adjustment strap 6 for closely attaching a nose mask for isolating the wearer's mouth and nose. Is provided.
  • the ventilator (3) and the purifier (4) is fixed by a metal band (7) to permanently secure the purse (4) and the hood (1), wherein the purse (4) is a tubular protrusion ( 4a is formed and inserted into the vent hole 3 of the hood 1, and then the protrusion 4a is connected to the nose mask 8 formed inside the hood 1.
  • Hooded gas mask according to the prior art is stored in a specific place as described above to be folded to minimize the volume occupied by the gas mask.
  • the hood is made of heat-resistant heat-resistant material such as aramid fabric can be folded to minimize the volume of the hood.
  • the gas mask that is provided with these two purifying tanks is provided with a purifying tank fixing plate having a plate shape in the hood so that the purifying tank can be stably fixed to the hood.
  • a purifying tank fixing plate having a plate shape in the hood so that the purifying tank can be stably fixed to the hood.
  • an exhaust valve is provided at the center of the purification vessel fixing plate, and the purification vessels are provided at both sides of the purification vessel fixing plate around the exhaust valve.
  • the hood-type gas mask provided with two purification tanks on the container fixing plate as described above has a shape of a plate in which the container fixing plate is not bent so that the nose mask does not adhere to the face of the wearer when the gas mask is worn. Not only does it cause the purifier fixing plate to be deformed to fit the wearer's face shape, but the nose mask does not come into close contact with the wearer's face. There is a risk of entry through the gaps formed between the nose masks.
  • the canister fixing plate since the canister fixing plate is not bent, the volume of the canister fixing plate cannot be reduced when the gas mask is stored, thus limiting the volume of the entire gas mask, thereby limiting the volume of the gas canister. There is a problem that a large number of gas masks cannot be provided.
  • the prior art by the applicant of the present invention is a hood because the purifier tube connector unit is assembled with the purse tank binding ring through the nose mask, and the mounting portion of the purse tank connector unit passing through the purse tank binding ring is fastened to the inlet hole of the purifier container
  • a plurality of filter tank connector unit and exhaust valve connector unit provided in the front of the divided separately can minimize the volume of the gas mask is easy to store and carry.
  • this prior art has a problem of loosening the ties between the filtration tank connector unit and the filtration tank, there is a fear that the outside air flows into the gas mask inside the loose gap or the filtration tank unintentionally separated from the filtration tank connector unit.
  • the present invention is to solve the above problems, the object of the present invention is to provide a hood-type gas mask that is easy to store and carry by minimizing the volume of the gas mask when storing the hood-type gas mask having two purifiers.
  • the purpose of the present invention is to provide a hood-type gas mask that can be in close contact with the head of the wearer by simply operating the control strap when wearing the hood.
  • the container can be installed in the airtight container can be installed in the airtight container, it is an object to provide a hood-type gas mask that can be easily separated from the water tank as needed.
  • a hood-type gas mask in which a nose mask, a hood, and a purification container fixing plate can be firmly fixed to each other.
  • Hood 100 provided with a front face lens 110;
  • a blocking film 107 formed at an inner lower end of the hood 100 to isolate the entire head from the outside;
  • a nose mask 200 provided on an inner surface of the hood 100 to isolate a wearer's nose and mouth from inside the hood;
  • An exhaust valve cover 400 provided at the front of the hood in response to the wearer's mouth;
  • An exhaust valve connector unit 410 which penetrates through the nose mask 200 and is coupled to the exhaust valve cover 400;
  • An exhaust valve 420 installed between the exhaust valve connector unit 410 and the exhaust valve cover 400;
  • Purification tank 500 provided on both sides of the front of the hood 100 around the exhaust valve cover 400;
  • a purifying container connector unit 510 which penetrates the nose mask 200 and is connected to the purifying container 500;
  • a webbing 600 which is connected to the purifying container connector unit 510 and compresses the hood 100 to closely contact the nose mask 200 to the wearer's mouth and nose.
  • the exhaust valve connector unit 410 and purifying container connector unit 510 is characterized in that separated from each other,
  • the purifying container connector unit 510 The purifying container connector unit 510,
  • An adhesion part 513 formed on one side of the through part 512 and having a diameter larger than that of the through part 512 and in close contact with an inner surface of the nose mask 200;
  • a purifying container binding ring (530) coupled to the through part (512) penetrating through the hood (100) and connected to the webbing (600).
  • the through part 512 is,
  • a press fitting jaw 512a for press-fitting the purifying container binding ring 530 is formed at a portion facing the close contact part 513, and an elastic force is applied to the edge of the purifying container binding ring 530 in correspondence with the press fitting jaw 512a.
  • the engaging jaw 531 is exerted is formed, characterized in that the indentation jaw 512a and the engaging jaw 531 is bound,
  • the purifier 500 is a first purifier
  • a pressurizing protrusion 504 is formed along the circumference of the protrusion 501, and a settle groove 532 in which the sealing member 520 is placed on one surface of the purification container binding ring 530 facing the pressurizing protrusion 504 is provided.
  • the pressing protrusion 504 is characterized in that for pressing the sealing member 520,
  • the exhaust valve connector unit 410 The exhaust valve connector unit 410,
  • a shoulder portion 432 formed on one side of the communication portion 431 and having a diameter larger than that of the communication portion 431 and in close contact with an inner surface of the nose mask 200;
  • a locking end 442 that is engaged with the hook 431b formed on the outer circumferential surface of the communication unit 431 is formed on the inner circumferential surface, and a locking that is engaged with the locking step 404 formed on the inner circumferential surface of the exhaust valve cover 400 on the outer circumferential surface.
  • the webbing 600 is,
  • Attached to the lower back of the hood 100 to closely contact the back of the hood 100 to the wearer's back of the head is provided with a locker 630 at both ends and extending toward the purifying container connector unit 510 ( 610); And
  • the hood 100 The hood 100,
  • a fixing part 120 which provides a ring-shaped hole into which the adjusting strap 620 of the webbing 600 is inserted in a penetrating state, thereby preventing the adjusting strap 620 from flowing down.
  • the webbing 600 is,
  • connection strap 610 As both ends of the control strap 620 is connected to the connection strap 610 through the locker 630, the connection strap 610 is pulled by pulling the control strap 620 Achieved by a hooded gas mask.
  • the face lens 110 further comprises a folding means for providing a portion that can be folded portion,
  • the folding means may weaken the stiffness of a portion of the face lens 110 in a linear form so that the face lens 110 is foldable.
  • the locker 630 is one end is connected to the connecting ring 534 in a state capable of uniaxial rotation, the connection piece 631 is provided with a spike 631a at the other end;
  • One side is fixed to the connecting piece 631 in the state fitted to the connecting piece 631, the axial rotation is fixed, the control strap 620 is inserted inward to be bent to the other side, the control strap 620 is pulled As the connecting piece 631 rotates uniaxially by the tension force of the control strap 620 generated while being made, the other side is uniaxially rotated about one side and the control strap wound on the other side is brought into close contact with the spike 631a of the connecting piece 631.
  • a gripping ring 632 for gripping the adjusting strap 620 together with the 631;
  • a fixing means 633 for fixing one side of the gripping ring 632 to the connection piece 631 so as to enable one-axis rotation.
  • the fixing means 633 is an inclined jaw 633a and a straight jaw 633b perpendicular to the inclined jaw 633a on both sides of one side of the connecting piece 631 where one side of the gripping ring 632 is located. ), One side of the holding ring 632 is inserted between the inclined jaw 633a and the straight jaw 633b by the interference fit through the inclined jaw 633a, the inclined jaw 633a and the straight jaw It is preferable to be configured to be caught by 633b so as to be fluidly constrained to one side of the connecting piece 631.
  • the coupling member for detachably coupling the exhaust valve cover 400 to the exhaust valve engagement ring 440;
  • a locking step 404 protruding from an inner circumferential surface of the exhaust valve cover 400.
  • a locking step 445 formed on an outer circumferential surface of the exhaust valve binding ring 440 to engage and engage the locking step 404.
  • the locking step 404 is,
  • the end caught by the locking step 445 is formed in a semi-circular cross section, it is preferable to be detachably bound to the exhaust valve binding ring 440.
  • the outer circumferential surface of the mounting portion 514 and the inner circumferential surface of the inlet hole 502 are each fastened by forming a plurality of mounting portion binding protrusions 514a and inlet hole binding protrusions 502a arranged in a spiral manner.
  • the hood-type gas mask according to the present invention since the plurality of purifying tank connector unit and the exhaust valve heat connector unit provided in the front of the hood has a separate structure, the volume of the gas mask can be minimized, so that it is easy to store and carry. In addition, by minimizing the volume of the gas mask to reduce the size of the box for packing the gas mask can reduce the cost of packaging.
  • the face lens is bent in accordance with the wearer's face curvature, so that the eye of the wearer and the face lens are closer to each other, thereby ensuring a better view.
  • the back of the hood adheres to the wearer's back of the head so that the gas mask is stably positioned on the wearer's head even if the wearer takes extreme action while wearing the gas mask. This can improve the wearer's activity.
  • the fold line is formed in a straight line in the center of the face lens can be folded around the fold line in the center can be bent in accordance with the wearer's face.
  • the fixing strap is inserted into the hood through the control strap of the webbing can be prevented from flowing down from the hood.
  • the connecting strap can be pulled by pulling the adjusting strap.
  • the exhaust valve cover is separated from the exhaust valve binding ring by a coupling member composed of a locking step and a locking step to detachably couple the exhaust valve cover to the exhaust valve engagement ring, and in particular, an end of the locking step has a semicircular cross section. Since the exhaust valve cover is easy to disassemble, it is easy to clean after disassembly.
  • the elastic strap is secured by the elastic band because the webbing strap is composed of an elastic band, and in addition, the hook is formed at the end of the strap so that the user can easily pull the strap by inserting a finger.
  • the rubber ring is configured, the elastic force can be secured to the hook.
  • FIG. 1 is a cross-sectional view showing a conventional hooded gas mask.
  • FIG. 2 is a plan view showing a hood-type gas mask according to the present invention.
  • Figure 3 is a side view showing a hood-type gas mask according to the present invention.
  • Figure 4 is an exploded view showing the coupling relationship of the hood-type gas mask according to the present invention.
  • FIG. 5 is an exploded perspective view of a hood-type gas mask according to the present invention.
  • FIG. 6 is a plan sectional view of a hood-type gas mask according to the present invention.
  • FIG. 7 is an enlarged view illustrating part A of FIG. 6.
  • FIG. 8 is an enlarged view illustrating part B of FIG. 6.
  • FIG. 9 is a perspective view showing a rocker of the hood type gas mask according to the present invention.
  • Figure 10 is a side view showing the operating state of the rocker of the hood type gas mask according to the invention.
  • FIG. 11A is a perspective view showing a first fixing part of a hood type gas mask according to the present invention.
  • 11B is a perspective view showing a second fixing part of the hood-type gas mask according to the present invention.
  • FIG. 12 is a cross-sectional view showing a state before assembly of the purifying tank of the hood-type gas mask according to the present invention.
  • Figure 13 is a cross-sectional view showing a state after assembly of the purification tank of the hood-type gas mask according to the present invention.
  • Figure 2 is a plan view showing a hood-type gas mask according to the present invention
  • Figure 3 is a side view showing a hood-type gas mask according to the present invention
  • Figure 4 is an exploded view showing the coupling relationship of the hood-type gas mask in accordance with the present invention.
  • the face lens 110 is formed with a fold line 112 to bend
  • the hood 100 is provided with a face lens 110 on the front
  • the hood 100 In the inner side of the nose mask 200, the exhaust valve cover 400 provided on the front of the hood 100, the nose valve 200 is fastened to the exhaust valve cover 400 corresponding to the wearer's mouth.
  • the exhaust valve connector unit 410, the exhaust valve connector unit 410, and the exhaust valve 420 installed between the exhaust valve cover 400 and the exhaust valve cover 400 on both sides of the front face of the hood 100.
  • the purifying container connector unit 510 which is fastened to the purifying container 500 in the inner side of the nose mask 200, the purifying container connector unit 510 is provided to close the hood 100 to the wearer's head Consisting of 600.
  • the hood 100 is formed in the form of a pocket formed with a blocking film 107 at the bottom to seal the wearer's head in a sealed manner, the hood 100 is coated with aluminum to reflect the fire Or heat-resistant heat-resistant fabrics (eg aramid or aluminum-coated flame retardant fabrics) that block fire.
  • heat-resistant heat-resistant fabrics eg aramid or aluminum-coated flame retardant fabrics
  • the blocking film 107 formed inside the hood 100 is made of a flexible material having elasticity, such as rubber, so that the wearer wears the hood 100 through the opening (not shown) formed in the blocking film 107 when the wearer wears the hood 100 on his head.
  • the front face of the hood 100 is formed with a face lens 110 so that the wearer can look forward.
  • the face lens 110 is folded when the face lens 110 is folded and stored together with the hood 100 when storing and carrying the hood 100 so that a portion of the face lens 110 is folded to reduce the total volume of the gas mask. Folding means are provided to provide this possible site.
  • the folding means weakens the stiffness of the portion of the face lens 110 in a linear shape to allow the face lens 110 to be folded.
  • the folding means includes a folding line 112.
  • the fold line 112 is formed such that a portion where the fold line 112 is formed by press working or the like has a thickness thinner than other portions of the face lens 110 to have flexibility (bending or bending property).
  • the fold line 112 formed in the face lens 110 is formed to cross in the vertical direction at the portion corresponding to the center of the face lens 110 as shown in FIG. 2 or 3 or face lens 110 It may be implemented in a variety of forms, such as a form extending toward each other at the center of the top and bottom.
  • the face lens 110 may be formed in the longitudinal direction as shown by the fold line 112 in a broken line in FIG. 2, alternatively, may be formed in the transverse direction.
  • the fold line 112 formed on the face lens 110 may be formed on either one of the outer surface or the inner surface (the surface corresponding to the inside of the hood) of the face lens 110 or both surfaces thereof. have.
  • the face lens 110 can also be folded together when the hood is folded, thereby minimizing the volume of the gas mask and thus reducing the storage space.
  • the face lens 110 is bent in conformity with the wearer's face curvature, so that the wearer's eyes and the face lens 110 are closer to each other, thereby ensuring a better view.
  • the face lens 110 has a straight line in the longitudinal direction as shown by the fold line 112 enlarged in FIG. 2 when the fold line 112 is formed in a straight line at the center as shown by the broken line in FIG. 2.
  • the groove is formed in the center so that it is folded around the center.
  • the face lens 110 is bent in accordance with the wearer's face curvature.
  • a hood side purge tank through hole 105 and a hood side exhaust valve through hole 103 in which the purifying container 500 and the exhaust valve cover 400 are installed are formed under the face lens 110 formed at the front of the hood. .
  • the hood side exhaust valve through-hole 103 is formed in the front lower portion of the hood 100 to correspond to the mouth of the wearer, hood side purge tank through-hole 105 on both sides around the hood side exhaust valve through-hole 103 ) Is formed.
  • the nose mask 200 isolates the wearer's nose and mouth from the inside of the hood 100 to facilitate breathing, and is made of a flexible heat-resistant rubber to be in close contact with the wearer's face.
  • the nose mask 200 has a mask side exhaust valve through hole 203 and a mask side having the same axis as the hood side exhaust valve through hole 103 and the hood side purge tank through hole 105 formed in the hood 100 described above.
  • Purification tank through hole 205 is formed, and is located on the inner surface of the hood (100).
  • an exhaust valve cover 400 and an exhaust valve connector unit 410 are installed in the hood side exhaust valve through hole 103 formed in the hood 100, and a filter and a container connection unit unit are installed in the hood side purge tank through hole 105. 510 is installed. This will be described based on FIGS. 4 to 6.
  • Figure 4 is an exploded view showing the coupling relationship of the hood-type gas mask according to the present invention
  • Figure 5 is an exploded perspective view of the hood-type gas mask according to the present invention
  • Figure 6 is a cross-sectional plan view of the hood-type gas mask according to the present invention.
  • the exhaust valve cover 400 is positioned to have the same axis as the hood side exhaust valve through hole 103 formed in front of the hood 100 in response to the wearer's mouth, It is fastened to the exhaust valve connector unit 410 provided inside, the exhaust valve connector unit 410 is composed of a communication unit 431, shoulder 432, exhaust valve binding ring 440.
  • the exhaust valve cover 400 has a plurality of vent ports 402 formed on the surface thereof, and the air discharged through the exhaust valve 420 is exhausted to the outside through the vent port 402.
  • a locking step 404 is formed on the inner circumferential surface of the exhaust valve cover 400 to engage with the locking step 445 formed on the outer circumferential surface of the exhaust valve binding ring 440.
  • the above-described locking step 404 and the locking step 445 is a coupling member that detachably couples the exhaust valve cover 400 to the exhaust valve engagement ring 440.
  • the coupling member has an end portion of the protruding locking step 404 caught by the locking step 445 formed in a semicircular cross section (see FIG. 8). ) Can be fixed detachably.
  • an exhaust valve binding ring 440 is installed between the exhaust valve cover 400 and the hood 100, and the exhaust valve binding ring 440 is provided. Is bound by the communication part 431 penetrating through the nose mask 200 and the hood 100.
  • the communication unit 431 has a tube shape to penetrate the hood 100 and the nose mask 200, and a communication hole 431a communicating with the exhaust valve cover 400 is formed therein.
  • the exhaust valve 420 is installed in the. At this time, the exhaust valve 420 is supported by the communication unit 431 is in the form of a thin elastic film that the exhaust valve 420 is opened in accordance with the exhalation of the wearer.
  • one side of the communication unit 431 has a larger diameter than the communication unit 431, as shown in Figure 8 has a shoulder portion 432 is in close contact with the inner surface of the nose mask 200 is formed communication unit 431
  • the communication part 431 penetrates the mask side exhaust valve through hole 203 and the hood side exhaust valve through hole 103 inside the nose mask 200. Then, the hook 431b formed on the outer circumferential surface of the communication part 431 protruding forward of the hood 100 is engaged with the locking end 442 formed in the exhaust valve engagement ring 440.
  • the locking step 445 formed on the outer circumferential surface of the exhaust valve engagement ring 440 is engaged with the locking step 404 formed on the inner circumferential surface of the exhaust valve cover 400.
  • the locking step 404 formed on the inner circumferential surface of the exhaust valve cover 400 may have a semicircular cross section so that the locking step 404 may be smoothly detached from the locking step 445 of the exhaust valve binding ring 440.
  • the purification tank 500 is installed on both sides around the exhaust valve cover 400 is installed on the front of the hood 100, the purification tank 500 is composed of the purification tank body 500a and the purification tank cover 500b, A filter medium such as a porous plate, a filter paper, and activated carbon is provided in the purification container main body 500a to purify the contaminated external air and supply it to the inside of the nose mask 200.
  • a filter medium such as a porous plate, a filter paper, and activated carbon is provided in the purification container main body 500a to purify the contaminated external air and supply it to the inside of the nose mask 200.
  • the purification container 500 is provided with a protrusion 501 having an inlet hole 502 communicating with the mask-side purification container through-hole 305 at the other side of the purification container main body 500a, and being provided inside the nose mask 200. It is fastened with the connector unit 510.
  • the purification container connection unit 510 which is fastened with the purification container main body 500a is demonstrated based on FIG.
  • FIG. 7 is an enlarged view illustrating part A of FIG. 6.
  • the purifying container connector unit 510 is a through part 512 formed with a communication hole 511 penetrating the hood and the nose mask 200 and connected to the purifying container 500, and a through part 512.
  • Is formed on one side of the contact portion 513 has a larger diameter than the through portion 512 and in close contact with the inner surface of the nose mask 200, and formed on the other side of the through portion 512 and formed in the purifying container body 500a Consists of a mounting portion 514 inserted into the inlet hole 502 of the protrusion 501 and a purifying container binding ring 530 that is coupled to the through portion 512 penetrating the hood 100 and connected to the webbing 600.
  • the through part 512 has a cylindrical shape and has a communication hole 511 communicating therewith with the purification container 500.
  • the penetrating portion 512 penetrates through the hood side purifying tank through hole 105 and the mask side purifying tank through hole 205 respectively formed in the hood 100 and the nose mask 200.
  • the contact part 513 is formed at one side of the through part 512, and the contact part 513 has a larger diameter than the through part 512 and is formed to be in close contact with the inner surface of the nose mask 200.
  • the mounting portion 514 is formed at the other side of the through portion 512 and is inserted into the inlet hole 502 of the protrusion 501 formed in the purification container 500, at which time, the outer circumferential surface of the mounting portion 514 and the inlet hole 502.
  • the inner circumferential surface of the plurality of mounting binder binding protrusions 514a and the inlet hole binding protrusions 502a are formed so that the mounting binding protrusions 514a and the inlet hole binding protrusions 502a are formed. Interlocking with each other to fasten the purifying container 500 and the purifying container connector unit 510.
  • the mounting portion binding protrusion 514a is formed spirally along the clockwise direction at regular intervals from the outer circumferential surface of the mounting portion 514, and the inlet hole binding protrusion 502a is spaced at the inner circumferential surface of the inlet hole 502 at a constant distance. It is formed spirally along the clockwise direction.
  • the mounting part 514 of the purifying container connector unit 510 is positioned between the inlet hole binding protrusion 502a and the purifying container 500.
  • the mounting portion binding protrusion 514a is guided to the inlet hole binding protrusion 502a and screwed thereto.
  • the mounting portion binding protrusion 514a and the inlet hole binding protrusion 502a are disposed at equal intervals on the outer circumferential surface of the mounting portion 514 and the inner circumferential surface of the inlet hole 502, respectively, to mount the mounting portion 514 of the purification container connector unit 510.
  • a predetermined angle is rotated so that the purification container 500 and the purification container connector unit 510 can be fastened or separated.
  • the through part 512 is formed with a press fitting jaw 512a for press-fitting the purifying container binding ring 530 in a portion facing the contact part 513, and the press fitting jaw 512a faces the contact part 513.
  • the press fitting jaw 512a faces the contact part 513.
  • it has a shape protruding outward from the boundary between the penetrating portion 512 and the mounting portion 514.
  • a latching jaw 531 corresponding to the indentation jaw 512a is formed at the edge of the septic tank binding ring 530 so that the penetrating portion 512 and the septic tank binding ring 530 are bound together, and the indentation portion 513 and the indentation
  • the nose mask 200 and the hood 100 are interposed between the jaws 512a.
  • the container ring ring 530 is formed on the surface facing the close contact portion 513 so as to firmly support the hood 100 is formed between the close contact portion 513 and the clarity container binding ring 530.
  • the unevenness 533 presses the hood toward the close contact portion 513 to firmly support the hood 100.
  • the sealing member 520 and the pressing protrusion 504 provided in the purifying container 500 and the purifying container binding ring 530 are pressurized protrusions along the circumference of the protrusion 501 as shown in FIG. 7. 504 is formed, and the purifying container binding ring 530 is formed with a settled groove 532 in which the sealing member 520 is placed at a portion facing the pressing protrusion 504.
  • the sealing member 520 has an elastic restoring force and may be an O-ring for preventing the fluid from flowing out.
  • the purifying container 500 is the purifying container.
  • the binding ring 530 is engaged with the pressing protrusion 504 to press the sealing member 520 to improve the airtightness between the purifying container 500 and the purifying container binding ring 530.
  • the purifying container binding ring 530 is formed with a connecting ring 534 connected to the webbing 600, the wearer by bringing the nose mask 200 in close contact with the wearer's nose and mouth as the wearer pulls the webbing 600. Improve the activity of the. Such webbing will be described based on FIGS. 9 and 10.
  • Figure 9 is a perspective view showing a rocker of the hood gas mask according to the present invention
  • Figure 10 is a side view showing the operating state of the rocker gas mask according to the present invention.
  • the webbing 600 is composed of a connecting strap 610 and a control strap 620
  • the connecting strap 610 is a hood (100) to closely contact the back of the wearer's back of the hood (100) It is provided at the bottom of the back and is provided with lockers 630 at both ends, respectively, and extends toward the purifying container connector unit 510.
  • the adjusting strap 620 and the connecting strap 610 is composed of a band-like elastic band having elasticity, the connecting strap 610 is disposed horizontally toward the purifying container binding ring 530 at the lower back of the hood (100). And, the adjusting strap 620 is disposed inclined toward the purifying container binding ring 530 from the upper back of the hood (100).
  • control strap 620 extends toward the purification tank connector unit 510 from the upper back of the hood 100, both ends of the lock 630 through the connecting ring 534 formed in the purification tank binding ring 530, respectively.
  • the straps 620 are attached to the back of the head of the hood 100 as the straps 620 are attached to the wearer's back of the head according to the wearer pulls the straps 620 is, for example, a band-shaped elastic band It can be implemented by.
  • This adjusting strap 620 is connected to the connecting strap 610 by a locker 630 to be described later, as shown in FIG. That is, the webbing 600 is connected to the control strap 620 through the locker 630 and the connecting strap 610. Accordingly, the webbing 600 is tensioned while the connecting strap 620 is also pulled together when the adjusting strap 620 is pulled. Therefore, the webbing 600 presses the rear surface of the hood 100 through the control strap 620 and the connection strap 610 that are simultaneously tensioned to bring the rear surface of the hood 100 into close contact with the back of the head.
  • the locker 630 connecting the connecting strap 610 and the adjusting strap 620 is for locking or unlocking both ends of the adjusting strap 620, but various forms or structures may be implemented.
  • As shown in Figure 10 may be composed of a connecting piece 631, the holding ring 632 and the fixing means (633).
  • the connecting piece 631 is connected to the connecting ring 534 formed in the purification container binding ring 530 in a state capable of one-axis rotation, and the spike 631a is provided at the other end.
  • the connecting piece 631 is connected to the connecting ring 534 formed in the purification container binding ring 530 in a state capable of single-axis rotation, and a spike 631a is provided at the other end.
  • the connecting piece 631 is formed with a connecting portion 635 having a through hole formed so that the other end of the connecting string 610 is inserted and fixed, and a wearer is provided at the free end opposite to the connecting portion 635.
  • Tip 364 is formed to release the pressure of the adjustment strap 620 with a finger.
  • the gripping ring 632 is fixed to one side is connected to the connecting piece 631 in a state that is fitted to the connecting piece 631, the axial rotation is fixed, the control strap 620 is inserted into the inside to be bent to the other side, adjustment As the connecting piece 631 rotates uniaxially by the tension force of the adjusting strap 620 generated while the strap 5 is pulled, the other side is uniaxially rotated about one side and the control strap 620 wound on the other side is connected to the connecting piece 631. It is in close contact with the spike 631a of the gripping control cord 620 together with the connection piece 631.
  • the gripping ring 632 may be provided with a tubular sleeve 636 is inserted to facilitate the movement of the control strap 620 wound in the bent state on the other side as shown in Figure 9 and 10.
  • the end of the adjustment strap 620 is provided with a rubber ring 621, the wearer to pull the adjustment strap by inserting the finger, the wearer can easily find and adjust the adjustment strap 620.
  • the above-mentioned rubber ring 621 is a hook to which the finger is fitted, and is made of elastic material rubber, so it has elasticity.
  • the fixing means 633 is fixed to one side of the gripping ring 632 to the connecting piece 631 to enable one-axis rotation.
  • the fixing means 633 forms an inclined jaw 633a and a straight jaw 633b perpendicular to the inclined jaw 633a on both sides of one side of the connecting piece 631 where one side of the gripping ring 632 is located.
  • One side of the gripping ring 632 inserted between the inclined jaw 633a and the straight jaw 633b by the interference fit through the inclined jaw 633a is caught by the inclined jaw 633a and the straight jaw 633b so that the connecting piece ( 631 may be configured to be fluidly constrained to one side.
  • the locker 630 as described above is pulled by the adjusting strap 620 in the state in which the holding ring 632 inserted with the adjusting strap 620 is inserted into the connecting piece 631 as shown in FIG.
  • Spikes 631a of the connecting piece 631 presses the adjusting strap 620 to the gripping ring 632 as the connecting piece 631 rotates uniaxially by the tension of the adjusting strap 620 generated while being made. It can be fixed by pressing the control strap 620 only by the tensile force of the).
  • the locker 630 is a spike 631a is spaced apart from the gripping ring 632 as the connecting piece 631 rotates uniaxially when the tip 364 is pushed outward with a finger as shown in FIG. The pressure is released so that the adjustment strap 620 can be released.
  • the hood 100 is provided with a fixing part 120 to prevent the connection strap 610 and the control strap 620 flows down from the hood (100).
  • the fixing part is composed of a first fixing part for supporting the connecting strap and a second fixing part for supporting the adjusting strap. This will be described with reference to FIGS. 11A and 11B.
  • FIG. 11A is a perspective view showing a first fixing part of a hood type gas mask according to the present invention.
  • the first fixing part (120a) is composed of a wing 101 and the seam tape 122
  • the wing 101 is the incision line 101a formed on the back of the hood 100, that is, the hood Seams formed on the back of the (100) are heat-sealed to face each other and then folded (folded) to the outer surface of the hood (100) is in close contact with the back of the hood (100).
  • the seam tape 122 is formed along the wing 101 formed on the rear surface of the hood 100 in a state where the connecting string 610 is positioned on the upper portion of the wing 101.
  • the connecting string 610 is interposed therebetween.
  • the seam tape 122 when the seam tape 122 is formed along the wing 101, the outside air of the hood 100 is prevented from entering the air through the wing 101, and the airtight string 610 flows from the hood 100.
  • the seam tape 122 supports the connection strap 610 so as not to fall.
  • the connecting strap 610 supported by the first fixing part 120a may be provided to be completely fixed with the hood 100.
  • the connecting strap 610 is sewn and fixed with the wing 101, Seam tape 122 is formed along the wing 101 to the top of the sewing connection string 610.
  • Figure 11b is a perspective view showing a second fixing part of the hood-type gas mask according to the present invention.
  • the second fixing part 120b is composed of a wing 101 and a seam tape 122 similarly to the first fixing part 120a, and the wing 101 is formed on the rear surface of the hood 100.
  • the cut lines 101a formed are formed by being heat-sealed to face each other and folded to the outer surface of the hood 100.
  • the seam tape 122 is formed along the wing 101 formed on the rear surface of the hood 100 in the state where the control strap 620 is located on the upper portion of the wing 101, the control strap between the seam tape 122 and the hood 620 is interposed.
  • the seam tape 122 is formed along the wing as described above, the air is tightly blocked to prevent the outside air from flowing through the hood 101 through the wing 101, and the shim string 620 does not flow down from the hood 100.
  • the tape 122 supports the adjusting strap 620.
  • the fixing part 120 is provided with a webbing 600 by providing a ring-shaped hole through which the connecting strap 610 and the adjusting strap 620 are inserted into the hood 100 as shown in FIGS. 11A and 11B. ) Is prevented from flowing down the hood (100).
  • the fold line 112 is formed in the face lens 110, the purifying container 500 is provided independently on both sides of the exhaust valve cover 400 Inhalation resistance is low, easy to breathe, and can be folded around the fold line 112, as well as a plurality of filter tank connector unit 510 and exhaust valve connector unit 410 is divided separately, so the hood 100 is easy Because it can be folded to minimize the volume of the gas mask, in particular, it can be stored in a drawer (conventionally kept in a cabinet) and easy to carry.
  • minimizing the volume of the gas mask can reduce the size of the packaging box for wrapping the gas mask, thereby reducing the cost of packaging.
  • the connecting strap 610 and the control strap 620 of the webbing 600 is connected by the locker 630 to easily detach the hood 100 by simply operating the locker 630 as well as the wearer's hood.
  • the back of the hood 100 is in close contact with the back of the wearer by pulling the control strap 620 of the webbing 600, even if the wearer wears a gas mask, even if the gas mask is used. It can be stably positioned on the wearer's head to improve the wearer's activity.
  • the face lens 110 when the wearer wearing the hood 100, the face lens 110 is bent in accordance with the wearer's face curvature, the wearer's eyes and face lenses The closer to 110, the easier it is to secure a view.
  • the locking groove 514b is formed in the mounting portion binding protrusion 514a and the locking protrusion 502b may be formed in the inlet hole binding protrusion 502a so as to quickly and easily fasten the connection between the container and the container. have. This will be described with reference to FIGS. 12 and 13.
  • Figure 12 is a cross-sectional view showing a state before assembling of the purification tank of the hood-type gas mask according to the present invention
  • Figure 13 is a cross-sectional view showing a state after assembly of the purification tank of the hood-type gas mask according to the present invention.
  • the mounting portion binding protrusion 514a is formed with a locking groove 514b at the tip.
  • the locking protrusion 502b is formed at the tip of the inlet hole binding protrusion 502a so as to correspond to the locking groove 514b so that the mounting protrusion 514a and the inlet hole binding protrusion 502a are engaged with each other. 502b is caught in the locking groove 514b.
  • the locking protrusion 502b formed at the tip of the inlet hole binding protrusion 502a is formed in the form of a hook.
  • the locking protrusion 502b has a form in which the step becomes larger toward the counterclockwise direction. Is formed to prevent the purification container 500 from being separated from the purification container connector 510 without permission.
  • the mounting portion binding protrusion 514a is formed with a guide surface 514c for guiding the locking projection 502b of the inlet hole binding protrusion 502a at the base end.
  • the guide surface 514c is formed to be inclined toward the end of the mounting portion 514 from the rear surface of the mounting portion binding protrusion 514a, so that the mounting portion 514 of the purification vessel connector 510 is inserted into the inlet hole 502 of the purification vessel 500.
  • the inlet hole binding protrusion 502a can smoothly enter along the guide surface 514c, so that the fastener 500 and the fastener 510 can be fastened easily and quickly.
  • hood 101 wing
  • hood side purification tank through hole 110 face lens
  • seam tape 200 nose mask
  • entry hole 502a entry hole binding protrusion
  • mounting portion 514a mounting portion binding projections

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

La présente invention concerne un masque à gaz de type cagoule comprenant : une cagoule à l'avant de laquelle se trouve une visière ; un blindage, sur la partie inférieure interne de la cagoule, afin d'isoler la totalité de la tête vis-à-vis de l'extérieur ; un masque nasal placé à l'intérieur de la cagoule afin d'isoler le nez et la bouche d'un utilisateur à l'intérieur de la cagoule ; un couvercle de vanne d'expiration prévu sur la surface avant de la cagoule pour correspondre à la bouche de l'utilisateur ; une unité de raccordement à la vanne d'expiration pénétrant dans le masque nasal afin d'être couplée avec le couvercle de vanne d'expiration ; une vanne d'expiration disposée entre l'unité de raccordement à la vanne d'expiration et le couvercle de vanne d'expiration ; des cartouches de purification placées des deux côtés de la partie avant de la cagoule, le couvercle de vanne d'expiration étant situé au centre ; des unités de raccordement à la cartouche de purification, pénétrant chacune dans le masque nasal afin d'être fixées à la cartouche de purification ; et une sangle reliée aux unités de raccordement à la cartouche de purification, permettant le serrage afin d'appliquer une pression sur la cagoule de façon à fixer étroitement le masque nasal sur la bouche et le nez de l'utilisateur, l'unité de raccordement à la vanne d'expiration et les unités de raccordement à la cartouche de purification pouvant être séparées les unes des autres.
PCT/KR2016/003825 2015-04-14 2016-04-12 Masque à gaz de type cagoule WO2016167531A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150052605A KR101536264B1 (ko) 2015-04-14 2015-04-14 두건형 방독면
KR10-2015-0052605 2015-04-14

Publications (1)

Publication Number Publication Date
WO2016167531A1 true WO2016167531A1 (fr) 2016-10-20

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KR (1) KR101536264B1 (fr)
TW (1) TWI583426B (fr)
WO (1) WO2016167531A1 (fr)

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US20210379420A1 (en) * 2020-06-05 2021-12-09 The United States Of America As Represented By The Secretary Of Navy Filtering face mask and respirator

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Publication number Priority date Publication date Assignee Title
KR102050325B1 (ko) * 2017-09-20 2019-12-02 (주)한국유닉스 방독면 수용의 가방형 배낭
KR20200076032A (ko) 2018-12-19 2020-06-29 주식회사 호신 통신 연결구조를 갖는 두건형 방독면

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KR20050028482A (ko) * 2003-09-18 2005-03-23 주식회사 산청 조립식 정화통체결구를 갖는 방독면
KR20080107253A (ko) * 2007-06-05 2008-12-10 박재철 착용이 용이하고 기밀성이 향상된 방독 마스크
KR101301444B1 (ko) * 2013-01-16 2013-08-28 주식회사 산청 두건형 방독면의 정화통 고정유닛

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KR970020904U (ko) * 1996-12-31 1997-06-18 삼공물산주식회사 어린이용 방독면
KR20050028482A (ko) * 2003-09-18 2005-03-23 주식회사 산청 조립식 정화통체결구를 갖는 방독면
KR20080107253A (ko) * 2007-06-05 2008-12-10 박재철 착용이 용이하고 기밀성이 향상된 방독 마스크
KR101301444B1 (ko) * 2013-01-16 2013-08-28 주식회사 산청 두건형 방독면의 정화통 고정유닛

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Publication number Priority date Publication date Assignee Title
US20210379420A1 (en) * 2020-06-05 2021-12-09 The United States Of America As Represented By The Secretary Of Navy Filtering face mask and respirator

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TW201701924A (zh) 2017-01-16
KR101536264B1 (ko) 2015-07-13
TWI583426B (zh) 2017-05-21

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