CN214050235U - Half mask formula particulate matter filters respirator - Google Patents

Abstract

The utility model discloses a half face guard formula particulate matter filters respirator, wear the cover, strain dirt box shell and strain dirt box inner shell including wear-type respirator, oronasal wears the cover mountable and locates on the wear-type respirator, strain dirt box shell and strain dirt box inner shell and can install the disconnect-type connection, it can install on the wear-type respirator to strain dirt box inner shell. The utility model belongs to the technical field of the gas mask, specifically a whole device adopts demountable assembly formula structural design, the equipment is light, it is clean to be convenient for disinfect, the one-hand operation of being convenient for is adjusted, increase application scope, increase for the user and use comfort and security, the double containment of inlet valve seat is consolidated and the expiratory valve piece edge has all increased the protection level for the dysmorphism setting, and the tilting air inlet grid can reduce impacted style dust cover filter pulp, dust filter box shell and dust filter box inner shell, adopt the fixed mode of couple formula, and the joint strength has been increased, make joint strength can reach the half face guard formula particulate matter filter respirator more than 50N.

Description

Half mask formula particulate matter filters respirator

Technical Field

The utility model belongs to the technical field of filter the respirator, specifically indicate a half face guard formula particulate matter filters respirator.

Background

The filter type particle-proof respirator has the effects of preventing dust, smoke, fog, steam and fine microorganisms, and can protect peculiar smell and slight harmful gas by additionally arranging the activated carbon filter cotton. The method is widely applied to the industries of electric welding, gas welding, machining, building, blasting, disassembling, polishing, wood processing, stone processing, hardware casting, coal mines, stone mines and the like.

However, the existing filtering respirator has large volume and weight, is inconvenient to wear, and is inconvenient to disassemble, so that the cleaning and the replacement are inconvenient, the service life of the mask is influenced, and the use cost of the mask is increased.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a whole device adopts demountable assembly formula structural design, the equipment is light, it is clean to be convenient for disinfect, the one-hand operation of being convenient for is adjusted, increase application scope, increase for the user and use comfort and security, the double containment of inlet valve seat is consolidated and the expiratory valve piece edge has all increased the protection level for the dysmorphism setting, and the tilting air inlet grid can reduce impacted style dust cover filter pulp, dust filter box shell and dust filter box inner shell, adopt the fixed mode of peg formula, the joint strength has been increased, make joint strength can reach the half face guard formula particulate matter filter respirator more than 50N.

The utility model adopts the following technical scheme: the utility model relates to a half-mask type particle filtering respirator, which comprises a head-wearing type breathing mask, a mouth-nose wearing cover, a dust filtering box shell and a dust filtering box inner shell, wherein the mouth-nose wearing cover can be arranged on the head-wearing type breathing mask, the dust filtering box shell and the dust filtering box inner shell can be connected in a detachable way, the dust filtering box inner shell can be arranged on the head-wearing type breathing mask in a detachable way, the head-wearing type breathing mask comprises a breathing mask main body, a hoop head frame, an elastic bandage and a bandage fastener, the breathing mask main body is provided with a bandage perforation, the hoop head frame is in an annular adjustable arrangement, the elastic bandage is arranged on the hoop head frame through the bandage perforation, the bandage fastener is arranged on the elastic bandage, the mouth-nose wearing cover comprises a mouth-nose mask body, an exhalation valve plate and an exhalation valve seat, the mouth-nose mask body is in a triangular arrangement, the mouth-nose mask body is provided with an exhalation valve seat mounting hole, the breathing mask comprises a breathing mask body, an exhalation valve seat, an exhalation valve piece, an air inlet valve seat, an air inlet valve piece, an exhalation valve seat and an exhalation port, wherein the exhalation valve seat can be installed on an exhalation valve seat installation hole, the exhalation valve piece can be installed on the exhalation valve seat, the air inlet valve piece is arranged on the breathing mask body, the air inlet valve piece can be installed on the air inlet valve seat, and the head-wearing breathing mask is provided with the exhalation port at a position corresponding to the exhalation valve seat.

Furthermore, strain dirt box shell both ends and be equipped with installation slot and connection peg, strain dirt box inner shell both ends and be equipped with peg groove and installation inserted sheet, installation inserted sheet card ann is torn open in installation slot, connect the peg mountable and articulate in the peg inslot, adopt the fixed mode of peg formula, increased joint strength, make joint strength can reach more than 50N, be equipped with the filter pulp locator card in straining dirt box shell, can ann tears open on the filter pulp locator card and be equipped with the filter pulp, be equipped with the tilting air inlet bars on straining dirt box shell, reducible impacted style dust covers the filter pulp, be equipped with the installation mouth that strains dirt on straining dirt box inner shell, the installation mouth that strains dirt and admit air can install on the disk seat of admitting air.

Furthermore, the mouth and nose mask body is formed by adopting food liquid silica gel, is non-toxic and pollution-free, and can be directly contacted with the mouth and the nose.

Furthermore, the thickness of the nose bridge part of the oral-nasal mask body is gradually reduced, so that the effect of nose bridge decompression is realized.

Further, the air inlet valve seat is reinforced by double sealing.

Furthermore, the edge of the expiratory valve piece is in a special-shaped arrangement, so that harmful gas can be prevented from entering the oronasal mask body from the side of the expiratory valve piece under wind pressure.

Furthermore, the filter cotton is formed by ultrasonic welding of non-woven fabrics, melt-blown fabrics and electrostatic cotton.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: this scheme is a half face guard formula particulate matter filters respirator, the whole device adopts removable assecmbly formula structural design, the equipment is light, it is clean to be convenient for disinfect, and the one-hand operation of being convenient for is adjusted through the setting of bandage lock, increase application scope, and the aftertreatment of subtracting of oronasal mask body and food liquid silica gel shaping setting, increase and use comfort and security, the dual containment of the disk seat that admits air is consolidated and the expiratory valve piece edge has all increased the protection level for the dysmorphism setting, and the tilting bars that admit air can reduce impacted style dust and cover the filter pulp, filter pulp box shell and filter pulp box inner shell, adopt peg formula fixed mode, joint strength has been increased, make joint strength can reach more than 50N, filter pulp box inner shell fixes a position the filter pulp, prevent that the filter pulp from placing improper phenomenon that causes the protection.

Drawings

FIG. 1 is a schematic view of a head-mounted respirator of a half-mask particulate filtering respirator of the present invention;

FIG. 2 is a schematic view of a nose and mouth wearable mask of a half-mask particulate filtering respirator of the present invention;

FIG. 3 is a schematic structural view of a dust filter box housing of a half-mask particulate filtering respirator of the present invention;

FIG. 4 is a schematic structural view of an inner shell of a dust filtering box of a half-mask particulate filtering respirator of the present invention;

fig. 5 is a combined installation diagram of a head-mounted respiratory mask and an oronasal wearing mask of the half-mask particulate filtering respirator of the present invention.

The mask comprises a head-wearing breathing mask body 1, a mouth-nose wearing mask body 2, a dust filtering box shell 3, a dust filtering box inner shell 4, a dust filtering box main body 5, a breathing mask main body 6, a hoop head frame 7, an elastic bandage 8, a bandage fastening buckle 9, a bandage perforation 10, an oral-nasal mask body 11, an exhalation valve sheet 12, an exhalation valve seat 13, an exhalation valve seat mounting hole 14, an air inlet valve sheet 15, an air inlet valve seat 16, an exhalation port 17, a mounting slot 18, a connecting hanging rod 19, a hanging rod slot 20, a mounting insertion sheet 21, a filter cotton positioning card 22, a dust filtering air inlet mounting port 23 and an inclined air inlet grid.

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in figures 1-5, the utility model relates to a half face guard formula particulate matter filters respirator, including head-mounted respirator 1, oronasal wear cover 2, strain dirt box shell 3 and strain dirt box inner shell 4, oronasal wear cover 2 mountable is located on head-mounted respirator 1, strain dirt box shell 3 and strain dirt box inner shell 4 and connect with the formula of can ann's dismantlement, strain dirt box inner shell 4 and locate on head-mounted respirator 1, head-mounted respirator 1 includes respirator main part 5, hoop 6, elasticity bandage 7 and bandage knot 8 tightly, be equipped with bandage perforation 9 on respirator main part 5, hoop 6 is the annular adjustable setting, elasticity bandage 7 passes the bandage perforation 9 mountable and locates on hoop 6, bandage knot 8 is located on elasticity bandage 7, oronasal wear cover 2 includes oronasal mask body 10, the breathing mask comprises an breathing valve plate 11 and an breathing valve seat 12, the oronasal mask body 10 is triangular, a breathing valve seat mounting hole 13 is formed in the oronasal mask body 10, the breathing valve seat 12 can be mounted on the breathing valve seat mounting hole 13, the breathing valve plate 11 can be mounted on the breathing valve seat 12, an air inlet valve plate 14 is arranged on the breathing mask main body 5, an air inlet valve seat 15 is arranged on the oronasal mask body 10, the air inlet valve plate 14 can be mounted on the air inlet valve seat 15, and an breathing port 16 is arranged on the head-wearing breathing mask 1 and corresponds to the breathing valve seat 12.

The dust filtering box comprises a dust filtering box outer shell 3, a dust filtering box inner shell 4, a dust filtering box inner shell 3 and a dust filtering box outer shell, wherein mounting slots 17 and connecting hanging rods 18 are arranged at two ends of the dust filtering box outer shell 3, hanging rod grooves 19 and mounting inserting pieces 20 are arranged at two ends of the dust filtering box inner shell 4, the mounting inserting pieces 20 are mounted in the mounting slots 17 in a clamped mode, the connecting hanging rods 18 can be mounted and hinged in the hanging rod grooves 19, a filter cotton positioning clamp 21 is arranged in the dust filtering box outer shell 3, filter cotton can be mounted and dismounted on the filter cotton positioning clamp 21, an inclined air inlet grid 23 is arranged on the dust filtering box outer shell 3, a dust filtering air inlet mounting port 22 is arranged on the dust filtering box inner shell 4, and the dust filtering air inlet mounting port 22 can be mounted on an air inlet valve seat 15; the mouth-nose mask body 10 is formed by food liquid silica gel; the thickness of the nose bridge part of the oronasal mask body 10 is gradually reduced; the air inlet valve seat 15 adopts double-seal reinforcement treatment; the edge of the exhalation valve sheet 11 is in special-shaped arrangement; the filter cotton is formed by ultrasonic welding of non-woven fabrics, melt-blown fabrics and electrostatic cotton.

When the breathing mask is used specifically, a user installs the breathing valve plate 11 on the breathing valve seat 12, installs the breathing valve seat 12 on the breathing valve seat installation hole 13 of the oronasal mask body 10, then installs the bandage fastening 8 on the elastic bandage 7, installs the elastic bandage 7 on the hoop head frame 6 through the bandage perforation hole 9 of the breathing mask main body 5, then installs the oronasal mask body 10 and the breathing mask main body 5 in a connecting way through the air inlet valve plate 14 and the air inlet valve seat 15, corresponds the breathing valve seat 12 and the breathing port 16 in position, then installs the filter cotton on the filter cotton positioning card 21, installs the connecting hanging rod 18 in the hanging rod groove 19, installs the inserting piece 20 in the installation slot 17, so that the dust filter box shell 3 and the dust filter box shell 4 are fixedly connected, and then installs the dust filter air inlet installation port 22 on the air inlet valve seat 15 to integrally connect, and then the user can adjust the hoop head frame 6, The elastic bandage 7 and the bandage fastening buckle 8 are adjusted and fixed to wear.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims (7)

1. A half-mask particulate filtering respirator, characterized in that: comprises a head-wearing type breathing mask, a mouth and nose wearing cover, a dust filtering box outer shell and a dust filtering box inner shell, wherein the mouth and nose wearing cover can be arranged on the head-wearing type breathing mask, the dust filtering box outer shell and the dust filtering box inner shell can be connected in an assembling and disassembling way, the dust filtering box inner shell can be arranged on the head-wearing type breathing mask in an assembling and disassembling way, the head-wearing type breathing mask comprises a breathing mask main body, a hoop head frame, an elastic bandage and a bandage fastener, the breathing mask main body is provided with a bandage perforation, the hoop head frame is in an annular adjustable arrangement, the elastic bandage passes through the bandage perforation and is arranged on the hoop head frame, the bandage fastener is arranged on the elastic bandage, the mouth and nose wearing cover comprises a mouth-nose mask body, an expiration valve block and an expiration valve seat, the mouth-nose mask body is in a triangular arrangement, the mouth-nose mask body is provided with an expiration valve seat mounting hole, the expiration valve seat can be, the breathing mask comprises a breathing mask body and an exhalation valve seat, wherein the exhalation valve seat is arranged on the breathing mask body, the exhalation valve seat is arranged on the exhalation valve seat in an installable mode, an air inlet valve block is arranged on the breathing mask body, the air inlet valve block can be arranged on the air inlet valve seat, and an exhalation port is arranged on the head-wearing breathing mask body and corresponds to the exhalation valve seat.

2. The half-mask particulate filtering respirator of claim 1, wherein: strain dirt box shell both ends and be equipped with installation slot and connect the peg, strain dirt box inner shell both ends and be equipped with peg groove and installation inserted sheet, installation inserted sheet card ann is torn open in installation slot, it just articulates in the peg inslot to connect the peg mountable, be equipped with the filter pulp locator card in straining the dirt box shell, can ann tears open on the filter pulp locator card and be equipped with the filter pulp, be equipped with the tilting air inlet grid on straining the dirt box shell, be equipped with the installation mouth that admits air of straining on straining the dirt box inner shell, the installation mouth mountable that admits air of straining is on the disk seat of admitting air.

3. The half-mask particulate filtering respirator of claim 1, wherein: the mouth and nose mask body is formed by food liquid silica gel.

4. The half-mask particulate filtering respirator of claim 1, wherein: the thickness of the nose bridge part of the oronasal mask body is gradually reduced.

5. The half-mask particulate filtering respirator of claim 1, wherein: the air inlet valve seat is subjected to double-seal reinforcement treatment.

6. The half-mask particulate filtering respirator of claim 1, wherein: the edge of the expiratory valve piece is in special-shaped arrangement.

7. The half-mask particulate filtering respirator of claim 2, wherein: the filter cotton is formed by ultrasonic welding of non-woven fabrics, melt-blown fabrics and electrostatic cotton.

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