CN213432658U - Filter type breathing mask - Google Patents

Abstract

The utility model provides a filtration formula breathing mask, include: the breathing mask comprises a mask body assembly, an air outlet assembly and an air inlet assembly, wherein one side of the mask body assembly is provided with an air inlet hole, the other side of the mask body assembly is provided with a breathing cavity, and the side wall of the mask body assembly is provided with an air outlet hole; the air outlet assembly is arranged on the cover body assembly and communicated with the air outlet hole, and one end of the air outlet assembly is connected with the switch assembly; the air inlet assembly is arranged on the cover body assembly corresponding to the air inlet hole and is communicated with the air outlet assembly through the breathing cavity; the air outlet assembly comprises a fan which is arranged on the cover body assembly and connected with the switch assembly; be provided with the check valve between fan and the breathing cavity, be provided with between air inlet subassembly and the breathing cavity and filter the gasket. The utility model relates to a filtration formula respiratory mask, inside overall structure is simple, and the filtration protective effect is good, and inside air current general nature is strong, can reduce to the pressure stimulation of lung, uses the operation and wears the convenience.

Description

Filter type breathing mask

Technical Field

The utility model relates to a protective facial mask technical field, in particular to filtration formula respirator.

Background

The mask is a device which can prevent pollutants (such as haze and dust particles) in the air from entering a human body from the mouth and the nose, and can reduce respiratory diseases to a certain extent when being worn; moreover, for workers working in an environment with a large amount of pollutants such as dust, the wearing mask can reduce the invasion of the pollutants to a certain extent. Masks are generally required to be worn at certain specific times or in certain environments, such as in high flu seasons, in haze weather, in sand storm weather, in public places with dense people.

At present, along with the rise of haze days and the reduction of air quality in cities, the concentration of a plurality of pollutants in the air is high, and in a room, the air purifier is widely used for filtering, and the demand of the portable purification product is gradually increased. The existing individual haze protection and dust protection are mainly realized through N95 grade masks and the like, however, the existing masks have the following problems: because the existing mask has high filtration grade and large corresponding air resistance, the breathing resistance is increased, the breathing is not smooth enough, and the breathing is difficult especially for the patients with weak breathing function, such as the old, children and the patients suffering from respiratory diseases when wearing the mask; in addition, the normal circulation of air can be blocked when the mask is worn for a long time, the feeling of unsmooth breathing is easily caused to the human body, and the working pressure of the lung can be increased, so that the feeling of suffocating and stuffiness caused by unsmooth gas circulation of the human body and incapability of replacing fresh air can be formed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a filtration formula respirator that filter effect is good, the circulation of air is smooth and easy, wear convenient to use and simple structure.

(II) technical scheme

In order to solve the technical problem, the utility model discloses a gauze mask is breathed to filtration formula, include: one side of the cover body assembly is provided with an air inlet, the other side of the cover body assembly is provided with a breathing cavity, and the side wall of the cover body assembly is provided with an air outlet; the air outlet assembly is arranged on the cover body assembly and is communicated with the air outlet hole, and one end of the air outlet assembly is connected with the switch assembly; the air inlet assembly is arranged on the cover body assembly corresponding to the air inlet hole and is communicated with the air outlet assembly through the breathing cavity; the air outlet assembly comprises a fan which is arranged on the cover body assembly and connected with the switch assembly; the fan with be provided with the check valve between the respiratory cavity, the air inlet subassembly with be provided with filter gasket between the respiratory cavity, the setting of this structure utilizes the air inlet subassembly with filter gasket realizes that the air inlet filters, has guaranteed the normal filtration use of gauze mask, and the filter effect of gauze mask is better, in addition through setting up the air-out subassembly utilizes the fan makes form the low pressure in the respiratory cavity and make the air follow the exhaust vent discharges, has guaranteed the inside gas circulation of gauze mask, avoids influencing normal use because inside gas does not circulate, sets up simultaneously the check valve with filter gasket's structure has guaranteed the normal use of gauze mask, through switch assembly control the work of fan can facilitate the user operation more and use.

Further, the cover assembly includes: the outer cover body, well lid and inner cover body, well lid clamps the outer cover body with between the inner cover body, the air-out subassembly with the air inlet subassembly sets up in cover, the fresh air inlet is seted up the lower part of the outer cover body, the exhaust vent encircles and sets up on the both sides of the outer cover body, through setting up the outer cover body well lid with the inner cover body can make holistic structure more reasonable, makes simultaneously the air inlet subassembly with the air-out unit mount sets up in cover and make the outward appearance more pleasing to the eye, can reduce the occuping to the gauze mask space, guarantee that holistic structure sets up rationality and steadiness.

Further, the air inlet subassembly still includes: filter screen panel and fixing base, filter screen panel corresponds the fresh air inlet is installed in cover in, the fixing base is arranged in cover and with filter screen panel cooperation, filter gasket arranges in filter screen panel with between the fixing base, filter screen panel's setting is used for too outside large granule dust and debris, realizes protecting the filtration to the first of gauze mask, through setting up filter gasket realizes protecting the filtration to the second of tiny particle, the setting of fixing base is used for fixing and spacing filter screen panel and filter gasket, the structure of air inlet group price is comparatively simple, can effectively filter outside debris granule, guarantees the filtration protective effect of gauze mask, and has guaranteed the intake circulation nature of gauze mask to a certain extent.

Furthermore, a first limiting block is arranged at the position, corresponding to the air inlet assembly, of the fixing seat, and a first limiting groove corresponding to the first limiting block is formed in the outer side wall of the filter screen; a second limiting block is arranged on the inner side wall of the filter screen cover, a second limiting groove matched with the second limiting block is arranged on the fixing seat, the filter screen cover is arranged between the fixed seat and the middle cover through the matching of the first limit block and the first limit groove and the matching of the second limit block and the second limit groove, a flange is formed outwards at one end of the fixing seat close to the middle cover, one end of the filter screen cover is abutted against the flange, the structure utilizes the matching of a limiting block and a limiting groove to ensure that the filter screen cover can be limited and arranged between the fixing seat and the middle cover, it is right filter the screen panel and play spacing effect, simultaneously can be right filter the screen panel and play the fixed action, it is convenient right filter the screen panel and carry out the dismouting change, overall structure sets up rationally, and inner structure fastening nature is good.

Further, a plurality of filter openings have been seted up on the filter screen cover, the air inlet has been seted up to the well covering, the filter opening the air inlet with the breathing chamber forms inlet channel, sets up the filter opening can satisfy air inlet and filtration demand, guarantees the normal filtration protection use of gauze mask, utilizes simultaneously the filter opening the air inlet with the breathing chamber forms inlet channel can guarantee the filtration protection effect and the air current permeability of gauze mask.

Further, the air-out subassembly is including installing the mount pad of well covering, the switch module passes through the buckle setting and is in one side of mount pad, the fan sets up the mount pad with between the switch module, the check valve sets up in the mount pad, the setting of this structure utilizes the buckle will the fan with the switch module sets up on the mount pad, make things convenient for the dismouting, can make the fan more stable when using simultaneously, the check valve that sets up in addition can guarantee one-way circulation is realized to the air in the breathing chamber and outside air, and further assurance filter protection effect of gauze mask can make inside circulation of air more smooth and easy simultaneously.

Further, the switch assembly includes: button and control electroplax, the button hole has been seted up to one side of cover body subassembly, button one side is arranged in the button hole, the opposite side of button is arranged in on the control electroplax, the setting of this structure utilizes the button with the control electroplax realizes right the control of fan to the realization is to the control of the interior gas circulation of gauze mask, uses easy operation.

Further, the gas outlet has been seted up on the mount pad, breathe the chamber the gas outlet with the exhaust vent forms the passageway of giving vent to anger, sets up the passageway of giving vent to anger with inlet channel intercommunication can effectively guarantee the inside air circulation nature of gauze mask, makes the inside filtration protective effect of gauze mask better.

Further, the inner cover body is the flexible glue material, one side of the inner cover body is provided with the sealing part of laminating with the people's face, the both sides of cover body subassembly are provided with the bandeau that is used for the head to wear, play the fixed effect of wearing, prevent that the gauze mask from droing, adopt the flexible glue material to make wearing of user more comfortable, and combine setting up of sealing part can improve the laminating degree of gauze mask and people's face, guarantee the result of use of gauze mask.

Further, still be provided with the USB interface on the cover body subassembly, the one end of USB interface is connected with power supply package, power supply package is arranged in cover body subassembly with the fan is connected, can realize carrying the use to charging of gauze mask, and it is more convenient to use.

(III) advantageous effects

The utility model relates to a gauze mask is breathed to filtration formula lies in for prior art's advantage: can effectively guarantee the filtration protective effect of gauze mask, improve the inside air circulation nature of gauze mask, the user of being convenient for wears the use for a long time, utilize air inlet subassembly and the air-out subassembly that sets up, outside air is through filter gasket to breathing intracavity, make the air of breathing intracavity pass through the air-out subassembly and discharge under the effect of fan, the circulation of inside air has been guaranteed, the reduction is amazing to the pressure of human lung, and holistic simple structure, inner structure sets up, user operation uses simplyr.

Drawings

Fig. 1 is a perspective view of a filtering respirator of the present invention;

FIG. 2 is an exploded view of a filtering respirator of the present invention;

FIG. 3 is a perspective view of a filtering respirator of the present invention with the outer cover removed;

fig. 4 is a rear perspective view of a filtering respirator of the present invention with the headband removed;

fig. 5 is a rear perspective view of the filtering respirator of the present invention with the inner cover removed;

fig. 6 is a sectional view of a filtering respirator of the present invention;

FIG. 7 is an enlarged view of the filtering respirator A of the present invention;

fig. 8 is a schematic structural view of a middle cover of a filtering respirator of the present invention;

fig. 9 is a schematic structural view of the air outlet assembly and the middle cover of the filtering respirator of the present invention;

fig. 10 is a schematic structural view of a filter mesh enclosure of a filtering respirator of the present invention;

fig. 11 is an upward perspective view of the bottom of the filter screen of the filtering respirator of the present invention;

fig. 12 is a schematic structural view of a filtering respirator mounting base according to the present invention;

wherein: the device comprises a cover body assembly 1, an outer cover body 101, a middle cover 102, an inner cover body 103, an air outlet assembly 2, a mounting seat 201, an air inlet assembly 3, a filter screen cover 301, a fixing seat 302, a breathing cavity 4, a switch assembly 5, a button 501, a control electric plate 502, a one-way valve 6, a filter gasket 7, a fan 8, an air inlet hole 9, an air outlet hole 10, a first limiting block 1101, a second limiting block 1102, a first limiting groove 1201, a second limiting groove 1202, a flange 13, a filter opening 14, an air inlet 15, a buckle 16, a button hole 17, a sealing part 18, a headband 19, an air outlet 20, a USB interface 21 and a power supply pack 22.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 to 12, a filtering respirator includes: one side of the mask body assembly 1 is provided with an air inlet 9, the other side of the mask body assembly 1 is provided with a breathing cavity 4, and the side wall of the mask body assembly 1 is provided with an air outlet 10, wherein the air outlet 10 is arranged at two sides of the mask body assembly 1 and is used for discharging air in the breathing cavity 4 outwards, so that the air in the air inlet 9 and the breathing cavity 4 can be ensured to circulate, and the cleanliness of air in the mask can be effectively ensured; the air outlet component 2 is arranged on the cover body component 1 and communicated with the air outlet hole 10, and one end of the air outlet component is connected with the switch component 5; the air inlet component 3 is arranged on the cover component 1 corresponding to the air inlet hole 9 and is communicated with the air outlet component 2 through the breathing cavity 4; the air outlet assembly 2 comprises a fan 8 which is arranged on the cover body assembly 1 and connected with the switch assembly 5; a one-way valve 6 is arranged between the fan 8 and the breathing cavity 4, and a filter gasket 7 is arranged between the air inlet component 3 and the breathing cavity 4; specifically, when the mask is used, the mask is brought to the face through the head band 19, the sealing part 18 is attached to the face to prevent external air from entering the breathing cavity 4 from the side wall of the mask body assembly 1 and further affecting the normal use of the mask, the external air enters the breathing cavity 4 through the air inlet assembly 3 and the air inlet 9, wherein the external air is filtered and protected through the filter screen 301 and the filter gasket 7 to ensure that external impurities do not enter the breathing cavity 4, in addition, the opening and closing of the fan 8 are realized through controlling the switch assembly 5 on the mask body assembly 1, when the fan 8 is opened, the air in the breathing cavity 4 is discharged to the air outlet 10 through the air outlet assembly 2 under the action of the fan 8, the arranged one-way valve 6 can prevent the external air from entering the breathing cavity 4 through the air outlet assembly 2, the normal use of the mask is ensured, the whole structure is simple, the filtering and protecting effects and the air circulation are good, the wearing and the use of the user are convenient.

Referring to fig. 1 to 5, the cap assembly 1 includes: the outer cover body 101, well lid 102 and inner cover body 103, well lid 102 clamps between the outer cover body 101 and inner cover body 103, air-out subassembly 2 and air inlet subassembly 3 set up on well lid 102, the lower part at outer cover body 101 is seted up to fresh air inlet 9, the exhaust vent 10 encircles the both sides of seting up at outer cover body 101, the outer cover body 101 sets up the front side at well lid 102, inner cover body 103 sets up the rear side at well lid 102 and is used for laminating the people's face, fresh air inlet 9 that sets up on the outer cover body 101 and set up exhaust vent 10 on the lateral wall of the outer cover body 101 and can guarantee the normal circulation of air and do not influence the effect of admitting air and giving vent to anger, holistic simple structure, inner structure sets up rationally.

Referring to fig. 2, 3, 4, 6 and 9, the intake assembly 3 further includes: filter screen panel 301 and fixing base 302, filter screen panel 301 corresponds air inlet 9 and installs on well lid 102, fixing base 302 is arranged in well lid 102 and with filter screen panel 301 cooperation, filter gasket 7 is arranged in between filter screen panel 301 and fixing base 302, filter screen panel 301 is last to have seted up a plurality of filtration mouths 14, well lid 102 is last to have seted up air inlet 15, filter mouth 14, air inlet 15 and breathing chamber 4 form inlet channel, fixing base 302 can play the fixed action to filter screen panel 301 with the setting of well lid 102, set up filter gasket 7 and can guarantee the filtration protective effect of gauze mask between filter screen panel 301 and fixing base 302, and utilize filter mouth 14, the inlet channel that air inlet 15 and breathing chamber 4 formed makes the circulation of air more smooth and easy.

Refer to fig. 2, fig. 4, fig. 5 and fig. 6, air-out subassembly 2 is including installing mount pad 201 on well lid 102, switch module 5 passes through buckle 16 and sets up the one side at mount pad 201, fan 8 sets up between mount pad 201 and switch module 5, check valve 6 sets up in mount pad 201, gas outlet 20 has been seted up on mount pad 201, breathe chamber 4, gas outlet 20 and exhaust vent 10 form air outlet channel, mount pad 201 plays spacing fixed effect to fan 8 and switch module 5, prevent to drop, utilize buckle 16 to carry out the follow-up dismouting of lock simple to operate and change the use, inner structure sets up rationally, breathe chamber 4, gas outlet 20 and exhaust vent 10 form air outlet channel and air inlet channel intercommunication and realize the inside circulation of air of gauze mask, can effectively reduce the pressure stimulation of gauze mask to human lung, make the circulation of air in the gauze mask more smooth and easy.

Referring to fig. 2, 3 and 6, the switch assembly 5 includes: button 501 and control electroplax 502, button hole 17 has been seted up to one side of cover body subassembly 1, and button hole 17 is arranged in to button 501 one side, and on control electroplax 502 was arranged in to the opposite side of button 501, press button 501 and make control electroplax 502 control fan 8 rotate, can convenience of customers operation and use.

Referring to fig. 6 to 12, a first limiting block 1101 is disposed at a position of the fixing base 302 corresponding to the air intake assembly 3, and a first limiting groove 1201 corresponding to the first limiting block 1101 is disposed on an outer side wall of the filter mesh enclosure 301; be provided with second stopper 1102 on the inside wall of filter screen panel 301, set up on the fixing base 302 with second stopper 1102 complex second spacing groove 1202, filter screen panel 301 is installed between fixing base 302 and well lid 102 through the cooperation of first stopper 1101 with first spacing groove 1201 and the cooperation of second stopper 1102 with second spacing groove 1202, the one end that fixing base 302 is close to well lid 102 is outwards formed with flange 13, the one end of filter screen panel 301 supports and leans on flange 13, the cooperation of stopper and spacing groove can avoid droing of filter screen panel 301, and can play spacing fixed effect to filter screen panel 301, convenient subsequent dismantlement and installation.

Refer to fig. 1, fig. 2, fig. 3 and fig. 8, the inner cover body 103 is the flexible glue material, one side of inner cover body 103 is provided with the sealing 18 with the laminating of people's face, the both sides of cover body subassembly 1 are provided with the bandeau 19 that is used for the head to wear, still be provided with USB interface 21 on the cover body subassembly 1, USB interface 21's one end is connected with power supply package 22, power supply package 22 is arranged in cover body subassembly 1 and is connected with fan 8, sealing 18 and the flexible glue material of inner cover body 103 make and to make the gauze mask laminate people's face more, improve the leakproofness of gauze mask, guarantee its inside filter protection effect, USB interface 21 and power supply package 22 set up in addition and make the convenient use of going out to charge of gauze mask, it carries.

This embodiment filtration formula breathing mask is through air inlet subassembly and the air-out subassembly that sets up, outside air is through filtering gasket to breathing intracavity, make the air of breathing intracavity pass through the air-out subassembly and discharge under the effect of fan, the circulation of inside air has been guaranteed, reduce the pressure stimulation to human lung, can effectively guarantee the filtration protective effect of gauze mask, improve the inside air circulation nature of gauze mask, the user of being convenient for wears the use for a long time, and holistic simple structure, the inner structure sets up, user operation uses simplyr.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A filtering respirator, comprising:

the mask body assembly (1) is provided with an air inlet hole (9) at one side and a breathing cavity (4) at the other side, and an air outlet hole (10) is formed in the side wall of the mask body assembly (1);

the air outlet assembly (2) is arranged on the cover body assembly (1) and communicated with the air outlet hole (10), and one end of the air outlet assembly is connected with a switch assembly (5);

the air inlet component (3) is arranged on the cover body component (1) corresponding to the air inlet hole (9) and is communicated with the air outlet component (2) through the breathing cavity (4);

the air outlet assembly (2) comprises a fan (8) which is arranged on the cover body assembly (1) and connected with the switch assembly (5); fan (8) with be provided with check valve (6) between respiratory cavity (4), air inlet subassembly (3) with be provided with between respiratory cavity (4) and filter gasket (7).

2. The filtering respiratory mask of claim 1, wherein the mask assembly (1) comprises: the air conditioner comprises an outer cover body (101), a middle cover (102) and an inner cover body (103), wherein the middle cover (102) is clamped between the outer cover body (101) and the inner cover body (103), an air outlet assembly (2) and an air inlet assembly (3) are arranged on the middle cover (102), an air inlet hole (9) is formed in the lower portion of the outer cover body (101), and air outlet holes (10) are formed in the two sides of the outer cover body (101) in a surrounding mode.

3. The filtering respiratory mask of claim 2, wherein the intake assembly (3) further comprises: filter screen panel (301) and fixing base (302), filter screen panel (301) correspond fresh air inlet (9) are installed on well lid (102), fixing base (302) are arranged in well lid (102) and with filter screen panel (301) cooperation, filter gasket (7) are arranged in filter screen panel (301) with between fixing base (302).

4. The filtering respirator of claim 3, wherein the fixing seat (302) is provided with a first limit block (1101) corresponding to the air intake component (3), and the outer side wall of the filter screen (301) is provided with a first limit groove (1201) corresponding to the first limit block (1101); be provided with second stopper (1102) on the inside wall of filter screen panel (301), seted up on fixing base (302) with second stopper (1102) complex second spacing groove (1202), filter screen panel (301) are installed through the cooperation of first stopper (1101) with first spacing groove (1201) and the cooperation of second stopper (1102) with second spacing groove (1202) fixing base (302) with between well lid (102), fixing base (302) are close to the one end of well lid (102) is outwards formed with flange (13), the one end of filter screen panel (301) is supported and is leaned on in flange (13).

5. The filtering respirator of claim 3, wherein the filtering mesh enclosure (301) has a plurality of filtering openings (14), the middle cover (102) has an air inlet (15), and the filtering openings (14), the air inlet (15) and the breathing cavity (4) form an air inlet passage.

6. The filtering respiratory mask of claim 2, wherein the air outlet assembly (2) comprises a mounting seat (201) mounted on the middle cover (102), the switch assembly (5) is disposed on one side of the mounting seat (201) by a buckle (16), the fan (8) is disposed between the mounting seat (201) and the switch assembly (5), and the check valve (6) is disposed in the mounting seat (201).

7. The filtering respiratory mask of claim 1, wherein the switch assembly (5) comprises: the novel electric cover comprises a button (501) and a control electric board (502), wherein a button hole (17) is formed in one side of the cover body assembly (1), one side of the button (501) is arranged in the button hole (17), and the other side of the button (501) is arranged on the control electric board (502).

8. The filtering respirator of claim 6, wherein the mounting seat (201) is provided with an air outlet (20), and the breathing cavity (4), the air outlet (20) and the air outlet (10) form an air outlet channel.

9. The filtering respirator of claim 2, wherein the inner mask body (103) is made of soft plastic, one side of the inner mask body (103) is provided with a sealing part (18) which is attached to a human face, and both sides of the mask body assembly (1) are provided with head straps (19) for wearing the head.

10. The filtering respirator of claim 1, wherein the mask assembly (1) further comprises a USB port (21), wherein a power pack (22) is connected to one end of the USB port (21), and wherein the power pack (22) is disposed in the mask assembly (1) and connected to the fan (8).

Images