TW201615239A - Hood type gas mask - Google Patents

Abstract

The present invention relates to a hood type gas mask, comprising a hood having a visor lens on the front; a blocking membrane which is formed on the lower end part of the inside hood to block the head of users from the outside; a nose mask which is installed in the inner surface of the hood to block the nose and mouth of users from the inside of the hood; an exhaling valve cover which is matched with the mouth of the user and is accordingly formed on the front of the hood; an exhaling valve connection hole unit which is penetrated into the nose mask to connected to the exhaling valve cover; an exhaling valve which is installed between the exhaling valve connection hole unit and the exhaling valve cover; purifying containers which are installed on the both sides of the hood with respect to the exhaling valve cover; and a webbing which is connected to the purifying container penetrated into the nose mask and accordingly connected to the purifying container and a connection hole unit of the purifying container and is accordingly tightened, thereby pressurizing the hood and enabling the nose mask to sticking to the mouth and nose of the users wherein the exhaling valve connection hole unit and the connection unit of the purifying container are independently separated.

Description

Turban-shaped anti-virus mask

The present invention relates to a headscarf-type gas mask, and more particularly to a headscarf-type gas mask that can be easily stored and carried with a small volume.

The gas mask is used to prevent inhalation of harmful substances in the air and to protect the face. According to its structure, it can be divided into a full face mask, a half face mask and a head towel mask.

The full face anti-virus mask comprises: a facepiece that fits the entire face of the wearer to prevent the surrounding air from entering; a visor formed on the mask to enable the wearer to look at the front; Cartridge) is disposed in the mask to filter the polluted air; an inhalation valve is disposed in the purifying cylinder to allow air to enter the mask to prevent the air exhaled by the wearer; the exhalation valve is disposed on the mask The air exhaled by the wearer is discharged to the outside of the mask; a head harness is placed around the rear of the wearer's head to bring the mask against the wearer's face.

This full-face anti-virus mask provides a wide field of vision for the wearer. Even if the wearer has intense movements, the gas mask will not be detached, so it is used for firefighting and military purposes.

Moreover, the half-face type anti-virus mask is similar to the above-mentioned full-face type, but the structure only includes a nose mask and a purifying tube, an inhalation valve, an exhalation valve and an adjustment belt for isolating the wearer's nose and mouth. This half-faced gas mask is suitable for workers working in areas with high dust density in the atmosphere such as mining areas, chemical factories, and construction sites.

In addition, the headscarf-shaped gas mask is mainly placed in a crowded place such as a subway or a department store. In an emergency such as a fire, it is used for evasion or rescue. It has a hooded headband and a facial mirror that surrounds the wearer's entire head. Nasal masks, purifying cartridges, inhalation valves, exhalation valves, adjustment straps, and untrained ordinary people can also be easily worn.

The prior art of such a headscarf gas mask is explained in accordance with Fig. 1. Figure 1 is a cross-sectional view showing a conventional headscarf gas mask. Referring to the drawings, in the headscarf gas mask according to the prior art, the headscarf 1 is provided with a face mirror 2, and is formed on the vent hole 3 of the headboard 1 to be cleaned. Cartridge 4. Further, the inside of the headscarf 1 is formed with an annular barrier film 5 to allow the wearer's head to enter and exit, to isolate the head from the outside, and to provide an adjustment belt 6 for adhering the nose mask of the wearer's mouth and nose.

And, in order to permanently fix the purification cartridge 4 and the headscarf 1, the vent hole 3 and the purification cylinder 4 The metal strip 7 is fixed. At this time, the cleaning cylinder 4 is formed into a tubular projection 4a and inserted into the vent hole 3 of the headboard 1, and the projection 4a is connected to the nasal mask 8 formed inside the headboard 1.

According to the prior art headscarf gas mask of the prior art, it is placed The specific location is folded and kept to minimize the volume occupied by the anti-virus mask. Therefore, the headband is composed of a heat-resistant heat-resistant material such as an aramid material, and the volume thereof is minimized by folding the headscarf.

In particular, a gas mask having two purifying cartridges on a headscarf has recently been developed. It can increase the amount of polluted air, so that the wearer can breathe with low resistance. Even if one purifying cartridge cannot produce the original effect, the purifying air can be purified by another purifying cylinder to enable the wearer to breathe.

In this anti-virus mask with two purification cartridges, in order to stabilize the purification cartridge The ground is fixed to the headscarf, and the headscarf has a plate-shaped purification cylinder fixing plate. Further, the center of the purifying cartridge fixing plate is provided with an exhalation valve, and a purifying cylinder is disposed on both sides of the purifying cylinder fixing plate centering on the exhalation valve.

However, as shown in the above-mentioned purification cartridge fixing plate, there are two heads of the purification tube The poison mask is composed of an inflexible plate shape. When the anti-virus mask is worn, the nasal mask cannot be attached to the wearer's face, which not only causes the wearer to have a foreign body sensation, but even according to the wearer's head. Adjusting the adjustment belt, the cleaning cartridge fixing plate cannot be changed according to the shape of the wearer's face, and the nasal mask cannot be attached to the wearer's face, which may cause the contaminated air to pass through the wearer's face without the purification cylinder. There is a danger of inflow of a gap formed between the nasal masks.

Moreover, since the cleaning cylinder fixing plate cannot be bent, when the gas mask is stored, it cannot be reduced. The overall volume of the cleaning cartridge is so small that there is a limitation in reducing the volume of the entire gas mask, and more space is occupied when the gas mask is stored. Therefore, it is impossible to prepare a larger number of gas masks in a prescribed space.

Moreover, in order to maintain the performance of the purification cartridge, it is necessary to replace the purification cartridge at a certain period. However, according to the prior art gas mask, the headscarf and the purifying cylinder are permanently fixed according to the metal strip, so that it is not possible to replace only the purifying cartridge, and there is a problem that the entire anti-virus mask needs to be replaced.

The present invention has been made to solve the problems as described above, and an object thereof is to provide a headscarf-shaped gas mask which can minimize the volume of the gas mask and is easy to store and carry when storing a headscarf gas mask having two purifying cylinders.

Further, it is an object of the invention to provide a headscarf-shaped gas mask which is easy to adjust when the wearer wears a headband so that the headscarf is in close contact with the wearer's head.

Further, it is an object of the invention to provide a headscarf-shaped gas mask which can be airtightly disposed to a purifying cartridge fixing plate and which can easily separate the purifying cartridge as needed.

Further, it is an object of the invention to provide a headscarf-shaped gas mask which can firmly fix a nasal mask, a headscarf and a purifying cartridge fixing plate to each other.

A headscarf-shaped gas mask for achieving the technical idea of the present invention as described above, comprising: a headscarf having a face mirror on a front side thereof; and a barrier film formed on an inner lower end portion of the headscarf to make the entire head Is isolated from the outside; a nasal mask is disposed on the inner side of the headscarf to isolate the wearer's mouth and nose inside the headscarf; an exhaust valve cover is disposed on the front side of the headscarf corresponding to the wearer's mouth; a connection unit that is coupled to the exhaust valve cover through the nasal mask; an exhaust valve disposed between the exhaust valve interface unit and the exhaust valve cover; and a purge cylinder to the exhaust valve The cover is centrally disposed on both sides of the front surface of the headscarf; the cleaning cartridge is connected to the interface unit, and is coupled to the purification cylinder through the nasal mask; and the side belt is connected to the cleaning cylinder interface unit and is tight. The headband is pressed to make the nose mask adhere to the mouth and nose of the wearer; and the exhaust valve interface unit and the purification cartridge interface unit are different from each other and are separately constructed.

Preferably, the purification cartridge interface unit includes: a penetration portion penetrating the headband and the nasal mask to form a communication hole communicating with the purification cylinder; and a contact portion formed on one side of the penetration portion a diameter larger than the through portion and abutting against an inner side surface of the nasal mask; a mounting portion formed on the other side of the through portion, inserted into an introduction hole formed in the protruding portion of the purification cylinder; and a purification cartridge The coupling ring is coupled to the through portion that penetrates the headband and is coupled to the sideband.

Preferably, the outer peripheral surface of the mounting portion and the inner peripheral surface of the introduction hole are joined by a plurality of mounting portion coupling projections and introduction hole coupling projections arranged in a spiral shape.

And preferably, the through portion forms a press-fit step for press-fitting the purification cartridge coupling ring at a portion opposite to the abutting portion, corresponding to the press-fit step at the edge of the cleaning cartridge coupling ring A hook portion for exerting an elastic force is formed, and the press-fit step and the hook portion are combined.

And preferably, the purification cylinder forms a pressurization along the circumference of the protruding portion a protrusion, a side of the cleaning cartridge coupling ring opposite to the pressing protrusion forms a seating groove for arranging a sealing member, and the pressing protrusion is combined with the cleaning cylinder interface unit Compress the sealing member.

And preferably, the exhaust valve interface unit comprises: a dredging portion The headscarf and the nasal mask are formed in the dredging hole communicating with the exhaust valve cover, and an exhaust valve is disposed inside the shoulder; the shoulder is formed on one side of the dredging portion and has a diameter larger than the dredging portion, and the nasal mask is closely attached And an exhaust valve coupling ring, wherein an inner peripheral surface thereof forms a hook end portion, and is coupled with a hook formed on an outer peripheral surface of the dredging portion, the outer peripheral surface of which forms a hook end step, and is formed on the exhaust valve cover The hooking steps of the inner peripheral surface are combined.

And preferably, the side belt comprises: a connecting belt, which is arranged on the lower part of the back of the headscarf And the back surface of the headscarf is attached to the back of the wearer, the two ends are respectively provided with a lock to extend to the cleaning cylinder interface unit; and the adjusting belt is connected from the upper part of the back of the headscar to the purifying cylinder The interface unit is extended and the two ends are respectively engaged with the connecting ring formed on the cleaning cartridge coupling ring to be bound by the lock.

Preferably, the lock comprises: a connecting piece, one end of which is capable of being pivoted The rotating state is connected to the connecting ring, and the other end is provided with a spike; the clamping ring is inserted into the connecting piece, and one side is fixed to the connecting piece in an off-axis rotation state, and the adjusting belt is inserted. The inner side is wound in a curved state to the other side, and the connecting piece is rotated off-axis by adjusting the pulling force of the adjusting belt which is generated by the pulling of the belt, which is centered on one side and is rotated off-axis on the other side so as to be wound around the other side. The side adjustment strap is attached to the tab of the tab, and the adjustment strap is held together with the tab; and a fixing tool that fixes one side of the grip ring to the tab in an off-axis manner.

And preferably, said fixing tool is said on a side on which said clamping ring is provided One side of one side of the connecting piece forms an inclined step and a straight line step perpendicular to the inclined step, and one side of the clamping ring inserted between the inclined step and the straight line step through the inclined step according to the shrink sleeve is The inclined steps and the straight steps are hung so as to be movably bound by one side of the connecting piece.

And preferably, the headscarf has a fixing portion located at the back of the headscarf The side belt is fixed to prevent it from falling; the fixing portion includes: a wing, a cutting line formed on the back surface of the headscarf is relatively thermally fused to the outer side surface of the headscarf; a fixing belt is arranged along the cutting line a pair of ends fixed to the wing and forming a gap between the ends for passing the sideband; and pressing The strip is sealed along the wing through the upper portion of the strap.

And preferably, the facial mirror further comprises: a folding tool that provides a portion that can be folded over a portion.

Preferably, the folding tool weakens the rigidity of a portion of the facial mirror in a linear shape to enable folding of the facial mirror.

And preferably, the folding tool comprises a fold line having a thickness that is thinner than other portions of the face mirror and having flexibility. For example, the face mirror is formed at a center by a straight groove formed by the folding line if the folding line is formed into a straight line from the upper end to the lower end center.

The face mirror can be folded toward the center as the folding line is formed in a straight line at its center.

The headscarf may further include a fixing portion that provides an annular hole to allow the adjustment belt of the side belt to be inserted therein in a penetrating state to prevent the adjustment belt from falling.

The side belt is coupled to the connecting belt as the ends of the adjustment belt pass through the lock, and the traction of the connecting belt is pulled by the adjustment belt.

The present invention also includes a coupling member that detachably couples the exhaust valve cover to the exhaust valve coupling ring; for example, the coupling member includes: a hook step at the exhaust valve cover An inner peripheral surface is formed to protrude; and a hook end step is formed on an outer peripheral surface of the exhaust valve coupling ring, and the hook step is hooked by the hook.

The hook step is hung to the end of the hook end to form a semi-circular cross section, and is detachably coupled to the exhalation valve coupling ring.

The side belt and the adjustment belt are composed of a belt-shaped elastic belt having elasticity.

The side belt further includes: a hook portion formed at an end of the adjustment belt to insert a finger; for example, the hook portion is made of an elastic rubber material which is fixed to an end portion of the adjustment belt and has elasticity Ring composition.

According to the headscarf gas mask of the present invention, since the plurality of purification cylinder interface units provided on the front surface of the headboard have different structures from the exhaust valve interface unit, the volume of the gas mask can be minimized. Easy to store and carry, it also reduces the size of the box used to package the anti-virus mask, which saves packaging costs.

Moreover, a folding line is formed on the facial mirror, and the wearer wears a headscarf when the facial mirror can It is enough to conform to the curve of the wearer's face, so the distance between the wearer's eyes and the face mirror is close, and it is easy to ensure the visual field.

Moreover, when the wearer puts on the headscarf, the headscarf is made by pulling the adjustment strap of the sideband. The back of the wearer is attached to the back of the wearer. When the wearer wears a gas mask, the anti-virus mask can be stably placed on the wearer's head even if it is vigorously moved, which improves the wearer's activity. .

In particular, the folding line is formed in a straight line at the center of the facial mirror, and the facial mirror is centered The fold line of the heart is folded centrally to curve in conformity with the wearer's face.

Moreover, the headband has a fixing portion, and the adjustment of the sideband can be inserted in a through state. Belt to prevent the adjustment strap from falling off the headscarf.

Moreover, since both ends of the adjusting belt are connected to the connecting belt through the lock, the Adjust the strap to pull the strap.

And, according to the hook step and the hook end step, the exhaust valve cover is detachable Unloadingly coupled to the coupling member of the exhaust valve coupling ring, the exhaust valve cover is separated from the exhaust valve coupling ring, in particular, the end portion of the hook step is formed into a semi-circular cross section, which is easy to disassemble and easily decompose of the exhaust valve cover After the cleaning.

Furthermore, the adjustment belt of the side belt is composed of an elastic band, which can be ensured according to the elastic band Elasticity, since the end portion of the adjusting belt has a hook portion, the adjusting belt can be inserted by inserting a finger, and further, when the hook portion is configured as an elastic rubber ring, the elastic force of the hook portion can be ensured.

1‧‧‧ headscarf

2‧‧‧Face mirror

3‧‧‧Ventinel

4‧‧‧purification cartridge

4a‧‧‧Protruding

5‧‧‧Ring insulation film

6‧‧‧Adjustment belt

7‧‧‧Metal strip

8‧‧‧ nasal mask

100‧‧‧ headscarf

101‧‧‧ wing

101a‧‧‧ cutting line

103‧‧‧Turban-side exhaust valve through hole

105‧‧‧ headscarf side purification tube through hole

107‧‧‧Insulation film

110‧‧‧Face mirror

112‧‧‧Folding line

121‧‧‧Fixed tape

122‧‧‧Lamination

200‧‧‧ nasal mask

203‧‧‧ Cover side exhaust valve through hole

205‧‧‧ Cover side purification tube through hole

305‧‧‧purification tube through hole

320‧‧‧ Purification cartridge binding ring

400‧‧‧Exhaust valve cover

402‧‧‧ ventilation

404‧‧‧hook stairs

410‧‧‧Exhaust valve interface unit

420‧‧‧Exhaust valve

431‧‧‧Drainage Department

431a‧‧‧through hole

431b‧‧‧ hook

432‧‧‧ shoulder

440‧‧‧Exhaust valve coupling ring

442‧‧‧ hook end

445‧‧‧hook end

500‧‧‧purification cartridge

500a‧‧‧ Purification cartridge body

500b‧‧‧purification cover

501‧‧‧Protruding

502‧‧‧Introduction hole

502a‧‧‧Introduction hole joint bulge

503‧‧‧Setting trough

504‧‧‧pressure bulge

510‧‧‧ Purification cartridge interface unit

511‧‧‧connection hole

512‧‧‧through department

512a‧‧‧ press-fit steps

513‧‧‧Closed

514‧‧‧Installation Department

514a‧‧‧Installation joint with bulge

520‧‧‧Seal parts

530‧‧‧ Purification cartridge coupling ring

531‧‧‧Hook Department

532‧‧‧Setting trough

533‧‧‧ bump

534‧‧‧Connecting ring

600‧‧‧ sideband

610‧‧‧Connecting belt

620‧‧‧Adjustment belt

621‧‧‧ Rubber ring

630‧‧‧Locks

631‧‧‧Connecting piece

631a‧‧‧ spikes

632‧‧‧ clamping ring

633‧‧‧Fixed tools

633a‧‧‧Tilt

633b‧‧‧Linear steps

364‧‧‧ tip

635‧‧‧Connecting Department

636‧‧‧ tubular sleeve

1 is a cross-sectional view showing a conventional headscarf gas mask; Fig. 2 is a plan view showing a headscarf gas mask according to the present invention; and Fig. 3 is a side view showing a headscarf gas mask according to the present invention; 4 is an exploded view showing the bonding relationship of the headscarf-shaped gas mask according to the present invention; FIG. 5 is an exploded perspective view of the headscarf gas mask according to the present invention; and FIG. 6 is a plan view of the headscarf gas mask according to the present invention. Figure 7 is a magnified view of the portion A of Figure 6; Figure 8 is an enlarged view showing a portion B of Figure 6; Figure 9 is a perspective view showing a lock in a headscarf-type gas mask according to the present invention; and Figure 10 is a view showing a lock in a head-shaped gas mask according to the present invention. Side view of the operating state; Fig. 11 is a perspective view showing the fixing portion of the headscarf gas mask according to the present invention.

Terms and words used in this manual and the scope of patent application are not limited The meaning of the general idea or the dictionary is interpreted as the meaning and concept of the technical idea of the present invention in accordance with the principle that the inventor can appropriately define the concept of the term for the purpose of explaining the invention by the best method.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a plan view showing a headscarf-shaped gas mask according to the present invention; FIG. 3 is a side view showing a headscarf gas mask according to the present invention; and FIG. 4 is a view showing a combination of a headscarf gas mask according to the present invention; Exploded map.

Referring to the drawings, a headscarf-shaped gas mask according to the present invention includes: a face mirror 110 which is formed to be foldable to form a fold line 112; a headscarf 100 having a face mirror 110 on the front side; and a nose mask 200 disposed on the inner side of the headscarf 100; The gas valve cover 400 is disposed on the front surface of the headscarf 100 corresponding to the wearer's mouth; the exhaust valve interface unit 410 is coupled to the exhaust valve cover 400 on the inner side of the nasal mask 200 disposed on the front surface of the headscarf 100; The valve 420 is disposed between the exhaust valve interface unit 410 and the exhaust valve cover 400. The purification cylinder 500 is disposed on both sides of the front surface of the headscar 100 with the exhaust valve cover 400 as the center; the cleaning cartridge interface unit 510 is The inner side of the nasal mask 200 is coupled to the purification cylinder 500; the side belt 600 is coupled to the purification cylinder interface unit 510 to attach the headscarf 100 to the wearer's head.

In addition, in order to wear the headscarf to cover the wearer's head in a sealed manner, the headscarf 100 is formed in a capsule shape in which the lower portion of the insulating film 107 is formed. The headscarf 100 is made of an aluminum coating capable of reflecting fire or isolating the fire. It is composed of a heat-resistant heat-resistant material (for example, aramid or aluminum-coated flame retardant material).

The insulating film 107 formed inside the headscarf 100 is made of a material having elasticity such as rubber. When the wearer wears the headscarf 100 on the head, the wearer wears an opening (not shown) formed in the insulating film 107 to make the wearer's The head enters, and after the headscarf 100 is worn, the barrier film 107 closely contacts the neck of the wearer, thereby isolating the inside and the outside of the headscarf 100.

Further, the front surface of the headscar 100 forms a face mirror 110 to allow the wearer to look at the front. At this time, the folding tool is formed on the face mirror 110, and a portion where the face mirror 110 can be folded is provided. When the headscarf 100 is folded and stored and carried, the face mirror 110 and the headscarf 100 can be folded together to reduce the overall volume of the gas mask.

At this time, the folding tool can reduce the rigidity of a portion of the face mirror 110 in a linear shape to enable the face mirror 110 to be folded, and the folding tool includes the folding line 112.

Such a folding line 112 has flexibility (a property capable of being bent or folded), and a portion where the folding line 112 is formed by press-fitting or the like is thinner than other portions of the face mirror 110.

At this time, the folding line 112 formed on the face mirror 110 may have a plurality of forms formed by passing through the center portion corresponding to the face mirror 110 in the up-down direction or extending from the upper end and the lower end center of the face mirror 110, as shown in FIG. Or as shown in Figure 3.

That is, as shown by the broken line in Fig. 2, the folding line 112 is formed in the longitudinal direction on the face mirror 110, or is formed in the lateral direction.

At the same time, the folding line 112 formed on the face mirror 110 may be formed on either one of the outer side surface or the inner side surface (the surface corresponding to the inner side of the headscarf) of the face mirror 110, or formed on both sides.

As described above, if the face mirror 110 forms the fold line 112, the face mirror 110 can be folded together when the headscarf is folded, which not only minimizes the volume of the gas mask, but also reduces the storage space, and the wearer can wear the headscarf 100 when the wearer wears the headscarf 100 The wearer's face is curved in a curved manner, so that the distance between the wearer's eyes and the face mirror 110 is made closer, and it is easy to ensure the visual field.

In particular, as shown by the broken line in Fig. 2, when the folding line 112 is formed in a straight line at the center of the face mirror 110, the linear groove can be formed at the center in the longitudinal direction according to the folding line 112 as shown in Fig. 2 Fold to the center. Therefore, the face mirror 110 can bend in conformity with the curve of the wearer's face.

Further, a lower portion of the face mirror 110 formed on the front surface of the headscarf is provided with a purifying cylinder 500, a headscarf side purification cylinder through hole 105 provided with an exhaust valve cover 400, and a headscarage side exhaust valve through hole 103.

At this time, the turban-side exhaust valve through-hole 103 is formed in the lower portion of the front surface of the headscarf 100, and the headscarf-side purge valve through-holes 105 are formed on both sides of the headscart-side exhaust valve through-hole 103.

The nasal mask 200 isolates the wearer's mouth and nose in the interior of the headscarf 100 to make the breathing smooth, and is constructed of a flexible heat-resistant rubber so as to be able to conform to the wearer's facial curve.

The nasal mask 200 has a cover side exhaust valve through hole 203 and a cover side purge cylinder through hole 205, and has the same shape as the above-described headscarf side exhaust valve through hole 103 and the headscarf side purification cylinder through hole 105 formed in the headboard 100. The axis is located on the inner side of the headscarf 100.

Further, the headband side exhaust valve through hole 103 formed in the headboard 100 is provided with an exhaust valve cover 400 and an exhaust valve interface unit 410, and the headstock side purification cylinder through hole 105 is provided with a purification cylinder and a purification cylinder interface unit. 510, refer to Figures 4 and 6.

Figure 4 is an exploded view showing the bonding relationship of the headscarf-shaped gas mask according to the present invention, Figure 5 is an exploded perspective view of the headscarf gas mask according to the present invention, and Figure 6 is a plan view of the headscarf gas mask according to the present invention. Sectional view.

Referring to the drawings, the exhaust valve cover 400 is provided to have the same axis as the headscarf side exhaust valve through hole 103 formed on the front surface of the headboard 100, and the row provided on the inner side of the nose mask 200, corresponding to the mouth of the wearer. The gas valve interface unit 410 is combined, and the exhaust valve interface unit 410 is composed of a dredging portion 431, a shoulder portion 432, and an exhaust valve coupling ring 440.

A plurality of air vents 402 are formed on the surface of the exhaust valve cover 400, and the air discharged through the exhaust valve 420 is discharged to the outside through the vent 402. Further, the inner peripheral surface of the exhaust valve cover 400 is formed with a hook step 404, and has a structure that is coupled to the hook end step 445 formed on the outer peripheral surface of the exhaust valve coupling ring 440. As described above, if the exhaust valve cover 400 and the exhaust valve coupling ring 440 are coupled by the hook step 404 and the hook end step 445, the exhaust valve cover 400 is easily decomposed and the cleaning is easy.

Here, the aforementioned hooking step 404 and the hook end 445 detachably couple the exhaust valve cover 400 to the coupling member of the exhaust valve coupling ring 440. Such a coupling member is formed as a semicircular cross section at the end of the projecting hook step 404 hooked to the hook end step 445 as will be described later, so that the exhaust valve cover 400 can be detachably fixed to The exhaust valve is coupled to the ring 440.

As described, when the exhaust valve cover 400 is located on the front surface of the headscarf 100, an exhaust valve coupling ring 440 is disposed between the exhaust valve cover 400 and the headscarf 100, and the exhaust valve coupling ring 440 and the nasal mask 200 pass through the headscarf 100. The dredging unit 431 is combined.

In other words, the dredging portion 431 has a tubular shape that can penetrate the headscarf 100 and the nasal mask 200, and has a dredging hole 431a formed therein to communicate with the exhaust valve cover 400, and an exhaust valve 420 is provided inside. At this time, the exhaust valve 420 has an elastic film form, is supported by the dredging portion 431, and opens the exhaust valve 420 in accordance with the gas exhaled by the wearer.

And, as shown in Fig. 8, one side of the unblocking portion 431 forms a shoulder portion 432 which is straight The diameter is larger than the dredging portion 431 and is in contact with the inner side surface of the nasal mask 200, and the dredging portion 431 passes through the cover side exhaust valve through hole 203 and the headscarf side exhaust valve through hole 103 inside the nasal mask 200. Further, the hook 431b formed on the outer circumferential surface of the dredging portion 431 that protrudes toward the front of the headscar 100 is coupled to the hook end portion 442 formed in the exhaust valve coupling ring 440.

Further, the hook end step 445 formed on the outer circumferential surface of the exhaust valve coupling ring 440 is combined with the hook step 404 formed on the inner circumferential surface of the exhaust valve cover 400. At this time, the hook step 404 formed on the inner circumferential surface of the exhaust valve cover 400 has a semicircular cross section, and can be smoothly detached from the hook end step 445 of the exhaust valve coupling ring 440.

Further, the purifying cartridge 500 is provided on both sides of the exhaust valve cover 400 on the front surface of the headscar 100, and the purifying cartridge 500 is composed of a purifying cartridge main body 500a and a purifying cartridge cover 500b, and the inside of the purifying cartridge main body 500a is provided with a perforated plate and a filter paper. A filter such as activated carbon is supplied to the inside of the nasal mask 200 by purifying contaminated outside air.

Further, the purification cylinder 500 is provided with a protruding portion 501 on the other side of the purification cylinder main body 500a, and an introduction hole 502 that communicates with the purification cylinder through hole 305 is formed inside, and is combined with the purification cylinder interface unit 510 provided inside the nasal mask 200. . As described, the purification cartridge interface unit 510 coupled to the purification cartridge main body 500a will be described with reference to FIG.

Fig. 7 is an enlarged view showing a portion A of Fig. 6. Referring to the drawings, the purification cartridge interface unit 510 includes a penetration portion 512 that penetrates the headscarf and the nasal mask 200 to form a communication hole 511 that is connected to the purification cylinder 500. The adhesion portion 513 is formed on one side of the penetration portion 512. The diameter is larger than the through portion 512 and is in contact with the inner side surface of the nasal mask 200; the mounting portion 514 is formed on the other side of the through portion 512, and is inserted into the introduction hole 502 of the protruding portion 501 formed in the purification cylinder main body 500a; The ring 530 is coupled to the side band 600 by a through portion 512 that is coupled to the through headband 100.

The penetration portion 512 has a cylindrical shape, and a communication hole 511 communicating with the purification cylinder 500 is formed inside. The penetration portion 512 penetrates the turban side purification cylinder through hole 105 and the cover side purification cylinder through hole 205 which are formed in the headboard 100 and the nasal mask 200, respectively. Further, a contact portion 513 is formed on one side of the penetration portion 512, and the diameter of the contact portion 513 is larger than the penetration portion 512, and the inner surface of the nasal mask 200 is attached.

Further, the attachment portion 514 is formed on the other side of the penetration portion 512, and is inserted into the introduction hole 502 formed in the protruding portion 501 of the purification cylinder 500. At this time, the outer circumferential surface of the attachment portion 514 and the inner circumferential surface of the introduction hole 502 are as described. As shown in the circle of FIG. 5, a plurality of mounting portion coupling protrusions 514a and insertion hole coupling protrusions 502a are formed in a spiral shape, and the mounting portion is combined with the protrusion 514a and the introduction hole to be combined with the protrusion. The 502a is coupled to integrate the purification cartridge 500 with the purification cartridge interface unit 510.

In addition, the mounting portion coupling projection 514a is formed in a spiral shape at a predetermined interval on the outer circumferential surface of the mounting portion 514 at a certain interval, and the introduction hole coupling projection 502a is spaced along the inner circumferential surface of the introduction hole 502 at intervals. The clockwise direction is formed into a spiral shape.

Therefore, in order to assemble the purification cartridge interface unit 510 to the purification cartridge 500, the mounting portion coupling projection 514a is positioned between the introduction hole coupling projections 502a, and the insertion portion 514 of the purification cartridge interface unit 510 is inserted into the purification cartridge 500. When the hole 502 is rotated in the clockwise direction, the mounting portion engaging projection 514a is introduced into the introduction hole coupling projection 502a to be screwed.

At this time, the mounting portion coupling projection 514a and the introduction hole coupling projection 502a are respectively disposed at equal intervals to the outer circumferential surface of the mounting portion 514 and the inner circumferential surface of the introduction hole 502, and the mounting portion 514 of the purification cartridge interface unit 510 is inserted into the purification cartridge. After the introduction hole 502 of the 500, the purification cylinder 500 and the purification cylinder interface unit 510 can be quickly combined or separated by only rotating at a certain angle.

Further, the penetration portion 512 forms a press-fit step 512a for press-fitting the purification cartridge coupling ring 530 at a portion facing the contact portion 513, and the press-fit step 512a is a portion facing the contact portion 513, that is, the penetration portion 512 and The boundary of the mounting portion 514 protrudes outward.

Further, the hook portion 531 corresponding to the press-fit step 512a is formed at the edge of the purifying cartridge coupling ring 530, and the through portion 512 is coupled to the purifying cartridge coupling ring 530. The nasal mask 200 and the headband 100 are interposed in the abutting portion 513 and press-fitted. Between the steps 512a.

As described above, the press-fit portion 512 and the purifying cartridge coupling ring 530 form a press-fit step 512a and a hook portion 531, respectively, and the through-portion portion 512 and the purifying cartridge coupling ring 530 are key-bonded according to the shrink sleeve, and the through portion is quickly assembled. The 512 is coupled to the purification cylinder to the ring 530.

At this time, the purifying cartridge coupling ring 530 forms the concavities and convexities 533 on the surface facing the abutting portion 513, so that the headscarf 100 can be firmly supported. If the headscarf 100 is interposed between the abutting portion 513 and the purifying cartridge coupling ring 530, the concavo-convex 533 is attached. The tight portion 513 presses the headband to firmly support the headband 100.

In addition, after the purification cartridge 500 is coupled to the purification cartridge interface unit 510, it can be easily decomposed as needed. After the purification cartridge 500 is combined with the purification cartridge interface unit 510, the cleaning cartridge 320 is secured to the purification cartridge facing the purification cartridge 500. The airtightness between the purification cylinder 500 and the purification cylinder coupling ring 530 is provided with a sealing member 520 and a pressure projection 504, respectively.

That is, the sealing member 520 and the pressurizing projection 504 provided in the purifying cartridge 500 and the purifying cartridge coupling ring 530 are as shown in Fig. 7, and the purifying cartridge 500 forms a pressurizing projection along the periphery of the protruding portion 501. 504, the purifying cartridge coupling ring 530 forms a seating groove 532 for arranging the sealing member 520 at a portion opposite to the pressing projection 504.

At this time, the sealing member 520 has an elastic restoring force and may be an O-ring that prevents fluid from flowing out.

As described, the seating groove 503 of the purification cartridge coupling ring 530 is provided with a sealing member 520, and a pressure projection 504 is formed around the protruding portion 501 of the purification cylinder 500. When the purification cylinder 500 is combined with the purification cylinder coupling ring 530, the pressure is pressurized. The projection 504 presses the sealing member 520 to improve the airtightness between the purification cylinder 500 and the purification cylinder coupling ring 530.

In addition, the cleaning ring 530 is formed with a connecting ring 534 connected to the side band 600, and the wearer can tighten the side band 600 to make the nasal mask 200 adhere to the wearer's mouth and nose to improve the wearer's activity. This side band will be described with reference to Figs. 9 and 10.

Fig. 9 is a perspective view showing a lock in a headscarf-type gas mask according to the present invention, and Fig. 10 is a side view showing an operation state of the lock in the headscarf gas mask according to the present invention. Referring to the drawings, the side belt 600 is composed of a connecting belt 610 and an adjusting belt 620. The connecting belt 610 is disposed on the lower portion of the back surface of the headscarf 100 so that the back surface of the headscarf 100 is in close contact with the rear brain portion of the wearer, and the ends are respectively provided with locks. 630 and extended to the purification cartridge interface unit 510.

Further, the adjustment belt 620 is extended from the upper portion of the back surface of the headboard 100 to the cleaning cylinder interface unit 510, and the two ends are respectively passed through the connecting ring 534 formed in the cleaning cylinder coupling ring 530, and are restrained by the lock 630 to tighten the adjusting belt 620 according to the wearer. The adjustment strap 620 causes the back of the headscar 100 to be in close contact with the wearer's hindbrain, and the adjustment strap 620 can be a strap-like elastic strap.

As shown in FIG. 3, such an adjustment belt 620 is connected to the connection belt 610 by a lock 630 which will be described later. That is, the side belt 600 is connected to the connecting belt 610 by the lock 630. Accordingly, in the side belt 600, when the adjustment belt 620 is pulled, the connection belt 610 is also pulled and tightened together. Therefore, the side belt 600 presses the back surface of the headscarf 100 by the tensioning adjustment belt 620 and the connecting belt 610, so that the back surface of the headscarf 100 is in close contact with the rear brain portion.

As described, the lock 630 connecting the connecting strap 610 and the adjusting strap 620 is used to lock or unlock the two ends of the adjusting strap 620, and can be implemented in various forms or configurations, but for example, as shown in FIG. 9 or FIG. The connecting piece 631, the clamping ring 632, and the fixing tool 633 are formed.

In addition, the connecting piece 631 is connected to the connecting ring 534 formed in the purifying cartridge coupling ring 530 in a state of being pivotable, and the other end is provided with a spike 631a.

That is, one end of the connecting piece 631 is connected to the connecting ring 534 formed in the purifying cartridge coupling ring 530 in a state of being pivotable, and the other end portion is provided with a spike 631a. Such a connecting piece 631 forms a connecting portion 635 which is formed as a through hole and can be inserted into the other end of the connecting band 610. A free end of the connecting portion 635 forms a tip end 634 for the wearer to release the adjustment by the finger. Pressurization with belt 620.

Further, the clamp ring 632 is fixed to the connecting piece 631 in an off-axis state in a state of being inserted into the connecting piece 631, and the inner side is inserted into the adjusting piece 620, and is wound in a bent state to the other side, with the connecting piece 631. The adjustment belt 620 is pulled by the tension band of the adjustment belt 620 at this time, and the other side is rotated off-axis about the one side, so that the adjustment belt 620 wound on the other side is in close contact with the connection piece 631. The spike 631a holds the adjustment belt 620 together with the connecting piece 631.

Such a clamp ring 632 can be inserted into the tubular sleeve 636 as shown in Figs. 9 and 10, and the movement of the adjustment belt 620 wound in the bent state on the other side becomes easy. Further, the end of the adjustment belt 620 is provided with a rubber ring 621, and the wearer can insert a finger and pull the adjustment belt so that the wearer can easily find the adjustment belt for adjustment.

The rubber ring 621 described above is a hook portion for inserting a finger, and is made of a rubber of an elastic material and has stretchability.

In addition, the fixing tool 633 fixes one side of the clamp ring 632 to the connecting piece 631 in an off-axis rotation. The fixing tool 633 forms an inclined step 633a and a straight line 633b perpendicular to the inclined step 633a on both sides of one side of the connecting piece 631 on one side of the clamping ring 632, and is passed through the inclined step 633a according to the shrink sleeve. One side of the clamp ring 632 inserted between the inclined step 633a and the straight line step 633b is hung by the inclined step 633a and the straight line step 633b, and is movably restrained to one side of the connecting piece 631.

As shown in FIG. 10, the lock 630 is inserted into the clamp ring 632 of the connecting piece 631 together with the adjustment belt 620, and is adjusted as the connecting piece 631 is pulled according to the adjustment belt 620. The tension of the belt 620 is rotated off-axis, and the long nail 631a of the connecting piece 631 presses the adjusting belt 620 toward the holding ring 632, and pressurizes the adjusting belt 620 by the tension of the adjusting belt 620 and fixes it.

Further, as shown in Fig. 10(b), when the lock 630 is pointed by the hand toward the outer pusher tip 634, the long nail 631a is separated from the clamp ring 632 by the off-axis rotation of the link piece 631, and the pressurization can be released. Open the adjustment belt 620.

In addition, the headband 100 is provided with a fixing portion 120 to prevent the adjustment belt 620 from falling from the headscarf 100 drop. This will be described with reference to Fig. 11.

Figure 11 is a perspective view showing a fixing portion in a headscarf gas mask according to the present invention. Referring to the drawings, the fixing portion 120 is constituted by the blade 101 and the bead 122, and the cutting line 101a formed on the back surface of the headboard 100, that is, the seam formed on the back surface of the headboard 100 is thermally fused, and the wing 101 is outwardly of the headscar 100. Fold the side (flat) to the back of the headscarf 100.

Further, the upper portion of the wing 101 may be provided with a fixing belt 121. The fixing band 121 is fixed to the back surface of the headscarf 100 with the seams folded as shown. The fixing belt 121 is sewn with its both ends (upper end and lower end), and a gap (space) for penetrating the side belt (adjustment belt) 600 is formed between the both ends.

Further, the bead 122 passes through the upper portion of the fixing belt 121 and is fixed (joined) to the back surface of the headboard 100 along the wing 101 formed on the back surface of the headboard 100, and hermetically isolates the air outside the headboard 100 from flowing in through the wing 101, and is stabilized. The ground side strap 600 is fixed.

In summary, the fixing portion 120, as shown in Fig. 11, provides an annular hole for inserting the side band 600 into the headscarf 100 in a penetrating state, and prevents the side band 600 from falling from the headscarf 100 as shown.

Here, when the gap for penetrating the side belt 600 is formed on the bead 122, the above-described fixing belt 121 can be omitted. In this case, the portion of the bead 122 in which the side band 600 penetrates is not joined. Thus, the bead 122 provides an annular aperture for the side band 600 to pass through the unjoined portion.

The headscarf-shaped gas mask according to the present invention having the above configuration is formed, and the folding line 112 is formed on the face mirror 110, and the exhaust valve cover 400 is centered, and the purifying cylinders 500 are separately provided on both sides, so that the suction resistance is small and the breathing is easy. It is possible to fold around the folding line 112 and provide a plurality of different purification cartridge interface units 510 and an exhaust valve interface unit 410. Therefore, the headscarf 100 can be easily folded, and the volume of the gas mask can be minimized, and in particular, can be stored in The drawer (previously kept in the cabinet) is easy to carry.

As described, by minimizing the volume of the anti-virus mask, the size of the package for packaging the anti-virus mask is reduced, and packaging costs can be saved.

Moreover, the connecting strap 610 and the adjusting strap 620 of the side strap 600 are connected by the lock 630, and the headband 100 is easily disassembled only by the operation of the lock 630. When the wearer wears the headscarf 100, the adjusting strap of the sideband 600 is pulled by the wearer. 620, the back surface of the headscarf 100 is attached to the back of the wearer's head, and even if the wearer wears a gas mask, the gas mask is stably placed on the wearer's head, and the wearer can be improved. The activity of the wearer.

And, the folding line 112 is formed on the facial mirror 110, when the wearer wears the headscarf 100 At this time, the face mirror 110 can be curved in conformity with the curve of the wearer's face, so that the distance between the wearer's eye and the face mirror 110 becomes close, and it is easy to ensure the visual field.

In addition, the present invention is not limited to the embodiments described above, and various modifications and changes can be made without departing from the spirit and scope of the invention.

100‧‧‧ headscarf

110‧‧‧Face mirror

112‧‧‧Folding line

200‧‧‧ nasal mask

400‧‧‧Exhaust valve cover

500‧‧‧purification cartridge

500a‧‧‧ Purification cartridge body

500b‧‧‧purification cover

530‧‧‧ Purification cartridge coupling ring

610‧‧‧Connecting belt

620‧‧‧Adjustment belt

621‧‧‧ Rubber ring

630‧‧‧Locks

631‧‧‧Connecting piece

632‧‧‧ clamping ring

634‧‧‧ tip

Claims (5)

A headscarf-shaped gas mask comprising: a headscarf (100) having a face mirror (110) on a front side thereof; an insulating film (107) formed on an inner lower end portion of the headscarf (100) to isolate the entire head from the outside a nasal mask (200) disposed on an inner side of the headscarf (100) to isolate a wearer's mouth and nose inside the headscarf; an exhaust valve cover (400) corresponding to the mouth of the wearer a front surface of the headscarf; an exhaust valve interface unit (410), coupled to the exhaust valve cover (400) through the nasal mask (200); and an exhaust valve (420) disposed on the exhaust Between the valve interface unit (410) and the exhaust valve cover (400); the purification cylinder (500) is disposed on both sides of the front surface of the headscarf (100) centering on the exhaust valve cover (400); a purification cartridge interface unit (510) that is coupled to the purification cartridge (500) through the nasal mask (200); and a sideband (600) that is coupled to the purification cartridge interface unit (510) and tightened Pressing the headscarf (100) to make the nasal mask (200) adhere to the wearer's nose and mouth; the exhaust valve interface unit (410) and the purification cartridge interface unit are separately formed and different from each other; The purification cylinder The unit (510) includes: a through portion (512) that penetrates the headscarf (100) and the nasal mask (200) and forms a communication hole (511) communicating with the purification cylinder (500); and a fastening portion ( 513) formed on one side of the through portion (512), having a diameter larger than the through portion (512), abutting against an inner side surface of the nasal mask (200); and a mounting portion (514) formed on the side The other side of the penetration portion (512) is inserted into the introduction hole (502) formed in the protruding portion (501) of the purification cylinder (500); and the purification cartridge coupling ring (530), and the headband (through) The through portion (512) of 100) is coupled to the side band (600); the outer peripheral surface of the mounting portion (514) and the inner peripheral surface of the introduction hole (502) are passed a plurality of mounting portions of the spiral arrangement are combined with the protrusions (514a) and the introduction hole coupling protrusions (502a); the through portion (512) is formed at a portion opposite to the abutting portion (513) for pressing a press-fit step (512a) of the purifying cartridge coupling ring (530) is provided, and a hook portion for exerting an elastic force is formed at an edge portion of the purifying cartridge coupling ring (530) corresponding to the press-fit step (512a) ( 531), combining the press-fit step (512a) with a hook portion (531); the purification cartridge (500) forms a pressurizing protrusion (504) along the circumference of the protruding portion (501), One side of the purification cylinder (530) opposite to the purification cylinder coupling ring (530) forms a seating groove (532) for arranging a sealing member (520), and the cleaning cylinder (500) is connected to the purification cylinder After the interface unit (510) is combined, the pressurizing protrusion (504) presses the sealing member (520); the exhaust valve interface unit (410) includes: a dredging portion (431) through the headband (100) and a nasal mask (200), a dredging hole (431a) formed in the exhaust valve cover (400), an exhaust valve (420) is disposed therein, and a shoulder portion (432) is formed in the One side of the dredging portion (431) and the diameter is larger than a dredging portion (431) that abuts an inner side surface of the nasal mask (200); and an exhaust valve coupling ring (440) whose inner peripheral surface forms a hook end portion (442) and is formed in the dredging portion (431) The hook (431b) of the outer peripheral surface is combined, and the outer peripheral surface thereof forms a hook end step (445) combined with a hook step (404) formed on the inner circumferential surface of the exhaust valve cover (400); the side belt (600) And comprising: a connecting belt (610) disposed on a lower portion of the back surface of the headscarf (100) such that a back surface of the headscarf (100) is in close contact with the rear brain portion of the wearer, and the two ends are respectively provided with a lock (630). Extending the cleaning cartridge interface unit (510); and adjusting the belt (620), extending from the upper portion of the back surface of the headscarf (100) to the cleaning cartridge interface unit (510) and forming the ends thereof The cleaning cartridge is coupled to the locking ring (530) of the ring (530) and is bound by the lock (630); the facial mirror (110) further includes: a folding tool providing a portion capable of folding a portion; the folding tool is linear Weakening the rigidity of a portion of the facial mirror (110) enables folding of the facial mirror (110), the folding tool comprising a fold line (112), the fold line (11) 2) thickness ratio as described The other portion of the face mirror (110) is thin and flexible, and in the face mirror (110), the folding line (112) is formed as a straight line from the upper end to the lower end center, and is formed by the folding line (112) A linear groove is formed at the center, and the face mirror (110) can be folded toward the center as the folding line (112) is formed in a straight line at its center. The headscarf-type gas mask according to claim 1, wherein the headscarf (100) further includes: a fixing portion (120) that provides an annular hole to adjust the adjustment band of the side band (600) (620) inserted therein in a through state to prevent the adjustment belt (620) from falling; the side belt (600) passing through the lock (630) with both ends of the adjustment belt (620) The connecting strap (610) is connected and the traction of the strap (610) is pulled by the adjustment strap (620). The headscarf-type gas mask according to claim 1, further comprising: a coupling member that detachably couples the exhaust valve cover (400) to the exhaust valve coupling ring (440); The component includes: a hook step (404) protrudingly formed on an inner circumferential surface of the exhaust valve cover (400); and a hook end step (445) formed on an outer circumferential surface of the exhaust valve coupling ring (440), The hook step (404) is joined by being hooked; the end of the hook step (404) hooked to the hook end step (445) is formed into a semi-circular cross section, and is detachably coupled to the call The valve is coupled to the ring (440). The headscarf-type gas mask according to claim 1, wherein the side belt (600) and the adjusting belt (620) are composed of a belt elastic belt having elasticity; the side belt (600) further includes : a hook portion formed at an end of the adjustment belt (620) to insert a finger. A headscarf-shaped gas mask according to the invention of claim 4, wherein the hook portion is constituted by an elastic rubber ring (621) which is fixed to an end portion of the adjustment belt (620) and has elasticity.