CN213285416U - Breathing mask with replaceable filter element - Google Patents

Abstract

The utility model belongs to the technical field of respiratory mask and specifically relates to a respiratory mask of removable filter core is related to, including the mask body, be equipped with the one-way admission valve that admits air on the mask body, can dismantle on the admission valve and be connected with the filtering component that admits air, set up the one-way air outlet valve of giving vent to anger on the mask body, can dismantle on the air outlet valve and be connected with the filtering component that gives vent to anger. This application has and to give vent to anger filtering component and follow the breather valve and dismantle, and the person of wearing breathes unobstructed when can under the environment of high dust, and will give vent to anger filtering component subassembly and go, can filter the gas of the person of wearing exhalation, keeps apart droplet and bacterium in the exhalation gas, and filtering component and the filtering component that admits air of giving vent to anger can dismantle the change respectively, has guaranteed good filter effect, simultaneously can resources are saved's effect.

Description

Breathing mask with replaceable filter element

Technical Field

The application relates to the field of respiratory masks, in particular to a respiratory mask with a replaceable filter element.

Background

At present, a breathing mask is commonly used for operation in a high-dust environment, and the breathing mask is divided into one-way protection and two-way protection. The mask with one-way protection only filters the inlet air, and the expired air is directly exhausted to the outside through the one-way expiratory valve, so that the mask can breathe more smoothly; and the mask of two-way protection covers the business turn over gas port with filter equipment usually, makes it all produce the filtration to admitting air and giving vent to anger, and the protective effect of this kind of mask is better but its breathing is comparatively difficult, and the person of wearing uses comfortable inadequately.

The prior art can refer to the Chinese invention patent with application publication number CN111150946A, which discloses a replaceable filter element type protective mask, comprising an air inlet shell, an air outlet shell and a breathing mask, wherein the edge of the right side surface of the air inlet shell is fixed with a circle of frame, the frame is provided with a gap, the front side surface and the back side surface of the frame are symmetrically provided with a fixed block, each fixed block is provided with a fixed belt mounting hole, a mask fixed belt is arranged between the two fixed belt mounting holes, the right side surface of the air inlet shell is provided with a plurality of heart-shaped grooves which are adjacently arranged at intervals, the centers of the heart-shaped grooves are overlapped and have unequal surface areas, the groove wall of each heart-shaped groove is uniformly provided with a plurality of filter holes, the air outlet shell and the air inlet shell are correspondingly arranged along the left-right direction, a filter element assembly is arranged between the air outlet shell and the air, the filter element assembly is fixedly arranged on the plurality of support columns.

In view of the above related technologies, the inventor thinks that the filtering performance of the solution is good, but the defect that the breathing of the wearer is not smooth because the breathing of the wearer is filtered by the filtering device exists.

SUMMERY OF THE UTILITY MODEL

In order to facilitate tearing open and changing the filter core, do not influence the breathing of the person of wearing simultaneously, improve the comfort level of wearing, this application provides a respiratory mask of removable filter core.

The application provides a respiratory mask of removable filter core adopts following technical scheme:

the utility model provides a respiratory mask of removable filter core, includes the mask body, be equipped with the one-way admission valve that admits air on the mask body, can dismantle on the admission valve and be connected with the filter component that admits air, set up the one-way air outlet valve of giving vent to anger on the mask body, can dismantle on the air outlet valve and be connected with the filter component of giving vent to anger.

By adopting the technical scheme, when the mask is used, the air inlet filtering component can be assembled on the air inlet valve, the filtering function of the mask can be realized, air inhaled by a wearer can be filtered to remove dust and bacteria through the air inlet filtering component, and air exhaled by the wearer can be exhaled through the one-way air outlet valve, so that the wearer can breathe more smoothly; also can install the filtering component of giving vent to anger additional on the air outlet valve, can filter bacterium and droplet in the gas that the person of wearing exhaled, can realize one-way filtration and two-way filtration two kinds of functions, the filtering component that admits air simultaneously all can be changed alone according to the in service behavior with the filtering component of giving vent to anger, and the resource has been practiced thrift simultaneously to the filter effect good.

Preferably, the filter component that admits air includes the inner shell that admits air with the admission valve joint, the inner shell that admits air is kept away from the shell that admits air of one side joint of admission valve, the shell that admits air with be equipped with the inlet filter piece between the inner shell that admits air, at least one inlet port has been seted up on the shell that admits air, the inner shell corresponds the air inlet has been seted up to the position of admission valve.

Through adopting above-mentioned technical scheme, when breathing in, the air can get into air intake filter assembly through the inlet port, and the cassette filters the back to the air, and gas can be breathed in by the wearer through the air inlet, can the idol realize the gaseous filter action of wearer's inspiration, and the air intake filter assembly repeatedly usable has guaranteed good filter effect.

Preferably, the air inlet filter sheet comprises a melt-blown cloth layer close to the air inlet outer shell and a silver ion antibacterial layer close to the air inlet inner shell.

Through above-mentioned technical scheme, harmful substances such as dust in the air and bacterium can all be filtered and removed to the multiple-layer filtering, and the filter effect is good.

Preferably, the admission valve is cylindric setting, the inboard fixedly connected with of admission valve encircles the first fixture block of admission valve inside wall round, set up two at least first joint grooves that evenly set up on the first fixture block, set up the air inlet that is circular setting on the inner shell that admits air, the inner shell that admits air is close to the position fixedly connected with of air inlet can insert and advance the intake pipe of admission valve, the intake pipe lateral wall corresponds the equal fixedly connected with in position in first joint groove can insert and advance first joint piece in the first joint groove, the admission valve is kept away from the sealing washer that the one end fixedly connected with of mask body was made by elastic material.

Through adopting above-mentioned technical scheme, when the filter component that will admit air assembles the admission valve, can be through pegging graft the admission valve with the intake pipe in, press the intake pipe simultaneously, make the sealing washer take place deformation, with first joint piece joint to first joint groove in, then rotatory intake pipe, just can assemble the mask body with the filter component that admits air on, the sealing washer can play sealed effect, this assembly structure is simple, the leakproofness is good, the filter effect is good.

Preferably, give vent to anger the filter assembly include with the inner shell of giving vent to anger of air outlet valve joint, the inner shell of giving vent to anger is kept away from the shell of giving vent to anger of one side joint of air outlet valve, give vent to anger the shell with it is equipped with the cassette of giving vent to anger between the inner shell to give vent to anger, it has seted up at least one venthole on the shell of giving vent to anger, the inner shell of giving vent to anger.

Through adopting above-mentioned technical scheme, the gas that the person of wearing exhaled passes through the filtration of the filter disc of giving vent to anger through one-way air outlet valve, and the discharge is external, can change the filter disc among the filter component of giving vent to anger, blows up filter component repeatedly usable, resources are saved.

Preferably, the air inlet valve is located in the center of the mask body, and the air outlet valve is located below the air inlet valve.

Through adopting above-mentioned technical scheme, the setting can make the breathing route shorter from top to bottom of admission valve and air outlet valve, is favorable to breathing unobstructed.

Preferably, the mask body is made of an elastomeric material.

Through adopting above-mentioned technical scheme, the elasticity material can make the mask body laminate people's face more, improves the leakproofness.

Preferably, two fixed blocks of the relative both sides fixedly connected with of admission valve lateral wall, all seted up the mounting hole on the fixed block, two same fixed band is worn to be equipped with in the mounting hole altogether, be equipped with the bulge that a plurality of elastic material made on the fixed band.

Through adopting above-mentioned technical scheme, during the use, can all pass the mounting hole with the both ends of fixed band, after laminating the face of the person of wearing with the mask body, take-up fixed band both ends, make fixed band laminating head, fix the mask on face, the bulge can block in mounting hole department, prevents that the fixed band from loosening and leading to the mask to drop.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the mask is used, the air inlet filtering component can be assembled on the air inlet valve, the filtering function of the mask can be realized, dust and bacteria can be filtered out from air inhaled by a wearer through the air inlet filtering sheet, the air exhaled by the wearer can be exhaled through the one-way air outlet valve, the filtering effect is ensured, and meanwhile, the wearer can breathe more smoothly;

2. the air outlet filter component can be additionally arranged on the air outlet valve, bacteria and spray in the air exhaled by the wearer can be filtered, two functions of one-way filtering and two-way filtering can be realized, the air inlet filter sheet and the air outlet filter sheet can be independently replaced according to the use condition, the filtering effect is good, and resources are saved;

3. laminate the mask to face, take-up fixed band both ends, make the mask fix at face, the protruding festival can block in mounting hole department, prevents that the fixed band from loosening and leading to the mask to drop.

Drawings

Fig. 1 is an overall schematic diagram of the present embodiment.

Fig. 2 is a cross-sectional view of the protruding intake air filter assembly of the present embodiment.

Fig. 3 is a partial view of the protruding intake valve in the present embodiment.

Fig. 4 is a partial view of the protruding intake pipe and the click block in the present embodiment.

Fig. 5 is a partial sectional view of the protruded outlet filter assembly of the present embodiment.

Description of reference numerals: 1. a mask body; 11. an intake valve; 111. fixed block, 112, mounting hole; 113. a first clamping block; 114. a first clamping groove; 115. a seal ring; 12. an air outlet valve; 121. a second fixture block; 13. fixing belts; 131. a convex section; 2. an intake air filter assembly; 21. an air intake inner shell; 211. an air inlet; 212. an air inlet pipe; 2121. a first clamping block; 22. an air intake housing; 221. an air inlet; 222. an air intake bump; 23. an intake air filter; 231. melt-blown fabric layer; 232. a silver ion antibacterial layer; 3. an outlet gas filtering component; 31. an air outlet inner shell; 311. an air outlet; 312. an air outlet pipe; 3121. a second clamping block; 32. an air outlet shell; 321. an air outlet; 322. an air outlet bump; 33. an air outlet filter disc.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses respiratory mask of removable filter core. Referring to fig. 1 and 2, the breathing mask of removable filter core is including the mask body 1 that elastic material such as silica gel made, and admission valve 11 has been seted up at the center of mask body 1, and the position that mask body 1 is close to admission valve 11 below has seted up out air valve 12, and the joint has air intake filter assembly 2 on admission valve 11, and the joint has air outlet filter assembly 3 on air outlet valve 12, is equipped with on the mask body 1 to be used for fixing the fixed subassembly on the people's face with breathing mask. During the use, fix mask body 1 at the face of the person through fixed subassembly, the external gas is breathed in by the people through admission valve 11 after filtering through admission filter assembly 2, the gas of people's exhalation is exhaled through giving vent to anger valve 12 through 3 exhalations of filter assembly 3 of giving vent to anger, play and filter the function of breathing in and exhaling gas, the filter assembly 2 and the filter assembly 3 of giving vent to anger of admitting air all can be dismantled so that change and cleanness simultaneously, the filter assembly 2 that admits air separately sets up with the filter assembly 3 of giving vent to anger and can admit air alone and filter or give vent to anger and filter, so as to be.

Referring to fig. 3, two opposite sides of the outer side wall of the intake valve 11 are fixedly connected with two fixing blocks 111, the fixing blocks 111 are provided with mounting holes 112, the two mounting holes 112 are provided with a fixing band 13, and the fixing band 13 is provided with a plurality of convex sections 131 made of elastic materials such as rubber. When wearing, fix mask body 1 on face, all pass mounting hole 112 with the both ends of fixed band 13 to it is taut with fixed band 13 both ends, make fixed band 13 laminating head, laminate mask body 1 on face, improve the leakproofness, protruding festival 131 can block in mounting hole 112 department, prevent that fixed band 13 from loosening and leading to the mask to drop.

Referring to fig. 2-4, the air intake filter assembly 2 includes an air intake inner shell 21, the air intake inner shell 21 is connected with the air intake valve 11 in a clamping manner, an air intake outer shell 22 is connected with one side of the air intake inner shell 21, which is far away from the air intake valve 11 in a clamping manner, an air intake filter sheet 23 is arranged between the air intake outer shell 22 and the air intake inner shell 21, and a plurality of air intake holes 221 are formed in the air intake. The admission valve 11 door is cylindric setting, admission valve 11 door inside wall fixedly connected with is the first fixture block 113 of annular setting, set up two at least even first joint grooves 114 that set up on the first fixture block 113, set up the air inlet 211 that is circular setting on the inner shell 21 that admits air, the position fixedly connected with intake pipe 212 that the inner shell 21 that admits air is close to air inlet 211, the equal fixedly connected with in position of the corresponding first joint groove 114 of intake pipe 212 lateral wall has first joint piece 2121, intake pipe 212 can insert into admission valve 11 in, first joint piece 2121 can insert into first joint groove 114 in, admission valve 11 keeps away from the sealing washer 115 that the one end fixedly connected with of mask body 1 made by elastic material such as silica gel. When filter assembly 2 assembles on the mask body 1 will admit air, can advance first joint piece 2121 joint into first joint groove 114, then rotatory intake pipe 212, will admit air filter assembly 2 joint to admission valve 11 on, sealing washer 115 can play sealed effect.

Referring to fig. 2, one end of the inner casing 21 is hinged to the air intake outer casing 22, the other end of the air intake inner casing 21 is fixedly connected to an air intake protrusion 222, and an air intake groove is formed in the position of the air intake outer casing 22 corresponding to the air intake protrusion 222. The intake filter 23 includes a meltblown layer 231 adjacent to the intake outer housing 22 and a silver ion antibacterial layer 232 adjacent to the intake inner housing 21. In use, the filter sheet can be placed between the air inlet inner shell 21 and the air inlet outer shell 22, and the air inlet inner shell 21 and the air inlet outer shell 22 are clamped together through the matching of the air inlet convex block 222 and the air inlet groove. The melt-blown cloth layer 231 can filter dust, and the silver ion antibacterial layer 232 can play a role in bacteriostasis.

Referring to fig. 5, the air outlet filter assembly 3 includes an air outlet inner shell 31, the air outlet inner shell 31 is connected with the air outlet valve 12 in a clamped manner, an air outlet outer shell 32 is connected to one side of the air outlet inner shell 31 far away from the air outlet valve 12 in a clamped manner, an air outlet filter sheet 33 is arranged between the air outlet outer shell 32 and the air outlet inner shell 31, and a plurality of air outlet holes 321 are formed in the air outlet outer shell 32. 12 doors of air outlet valve are cylindric setting, 12 door inside wall fixedly connected with of air outlet valve is the second fixture block 121 that the annular set up, set up two at least second joint grooves that evenly set up on the second fixture block 121, set up the gas outlet 311 that is circular setting on the inner shell 31 of giving vent to anger, the position fixedly connected with outlet duct 312 that the inner shell 31 of giving vent to anger is close to gas outlet 311, the equal fixedly connected with second joint piece 3121 in the position that the outer wall of outlet duct 312 corresponds the second joint groove, in the business turn over pneumatic valve 12 can be pegged graft to outlet duct 312, second joint piece 3121 can be pegged graft into in the second joint. When filter component 3 assembles on the mask body 1 will give vent to anger, can with second joint piece 3121 joint in the second joint groove, then rotatory play trachea 312, will give vent to anger filter component 3 joint to go out on air valve 12.

Referring to fig. 5, one end of the air outlet inner shell 31 is hinged to the air outlet outer shell 32, the other end of the air outlet inner shell 31 is fixedly connected with an air outlet bump 322, and an air outlet groove is formed in the position of the air outlet outer shell 32 corresponding to the air outlet bump 322. The outlet filter 33 is provided in a single layer. In use, the filter sheet can be placed between the air outlet inner shell 31 and the air outlet outer shell 32, and the air outlet inner shell 31 and the air outlet outer shell 32 are clamped together through the matching of the air outlet convex block 322 and the air outlet groove. The air outlet filter sheet 33 can filter the droplets and bacteria of the exhaled air, and the single-layer arrangement can save materials.

The implementation principle of the breathing mask with the replaceable filter element in the embodiment of the application is as follows: when the mask is used, the mask body 1 is attached to the face, two ends of the fixing band 13 are tightened, the mask is fixed on the face, the convex sections 131 can be clamped at the mounting holes 112, the mask is prevented from falling off due to the fact that the fixing band 13 is loosened, the air inlet filtering component 2 can be assembled on the air inlet valve 11, the filtering function of the mask can be achieved, air inhaled by a wearer can be filtered to remove dust and bacteria through the air inlet filtering sheet 23, air exhaled by the wearer can be exhaled through the one-way air outlet valve 12, and the wearer can breathe more smoothly; also can install out gas filtering component 3 additional on air outlet valve 12, can filter bacterium and the droplet in the gas of wearing person's exhalation, can realize one-way filtration and two-way filtration two kinds of functions, admits air the filter 23 simultaneously and all can change alone according to the in service behavior with the filter 33 of giving vent to anger, practiced thrift the resource.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (7)

1. The utility model provides a respiratory mask of removable filter core which characterized in that: comprises a mask body (1), an air inlet valve (11) for one-way air inlet is arranged on the mask body (1), the air inlet valve (11) is detachably connected with an air inlet filtering component (2), the mask body (1) is provided with an air outlet valve (12) for one-way air outlet, the air outlet valve (12) is detachably connected with an air outlet filtering component (3), the air outlet filtering component (3) comprises an air outlet inner shell (31) clamped with the air outlet valve (12), one surface of the air outlet inner shell (31) far away from the air outlet valve (12) is clamped with the air outlet outer shell (32), an air outlet filter sheet (33) is arranged between the air outlet outer shell (32) and the air outlet inner shell (31), the air outlet outer shell (32) is provided with at least one air outlet hole (321), and the air outlet inner shell (31) is provided with an air outlet (311) corresponding to the air outlet valve (12).

2. A respiratory mask with replaceable filter elements as claimed in claim 1, wherein: air inlet filter assembly (2) include with air inlet valve (11) joint air inlet inner shell (21), air inlet inner shell (21) are kept away from one side joint air inlet shell (22) of air inlet valve (11), air inlet shell (22) with be equipped with air inlet filter (23) between air inlet inner shell (21), at least one inlet port (221) has been seted up on air inlet shell (22), the inner shell corresponds air inlet (211) has been seted up to the position of air inlet valve (11).

3. A respiratory mask with replaceable filter elements as claimed in claim 2, wherein: the air inlet filter sheet (23) comprises a melt-blown cloth layer (231) close to the air inlet outer shell (22) and a silver ion antibacterial layer (232) close to the air inlet inner shell (21).

4. A respiratory mask with replaceable filter elements as claimed in claim 2, wherein: the air inlet valve (11) is arranged in a cylindrical shape, the inner side of the air inlet valve (11) is fixedly connected with a first clamping block (113) which surrounds the inner side wall of the air inlet valve (11) by a circle, the first clamping block (113) is provided with at least two first clamping grooves (114) which are uniformly arranged, the air inlet inner shell (21) is provided with an air inlet (211) which is circularly arranged, the position of the air inlet inner shell (21) close to the air inlet (211) is fixedly connected with an air inlet pipe (212) which can be inserted into the air inlet valve (11), the outer side wall of the air inlet pipe (212) corresponding to the position of the first clamping groove (114) is fixedly connected with a first clamping block (2121) which can be inserted into the first clamping groove (114), one end of the air inlet valve (11) far away from the mask body (1) is fixedly connected with a sealing ring (115) made of elastic material.

5. A respiratory mask with replaceable filter elements as claimed in claim 1, wherein: the air inlet valve (11) is located at the center of the mask body (1), and the air outlet valve (12) is located below the air inlet valve (11).

6. A respiratory mask with replaceable filter elements as claimed in claim 1, wherein: the mask body (1) is made of an elastic material.

7. A respiratory mask with replaceable filter elements as claimed in claim 1, wherein: two fixed blocks (111) of both sides fixedly connected with that admission valve (11) lateral wall is relative, mounting hole (112), two have all been seted up on fixed block (111) same fixed band (13) are worn to be equipped with in mounting hole (112) altogether, be equipped with a plurality of knurls (131) on fixed band (13).

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