CN216908950U

CN216908950U - Gauze mask mount, gauze mask and breathe filter equipment

Info

Publication number: CN216908950U
Application number: CN202122080834.6U
Authority: CN
Inventors: 刘玉平
Original assignee: Yichun Diligen Technology Co ltd
Current assignee: Yichun Diligen Technology Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-07-08
Anticipated expiration: 2031-08-31

Abstract

The utility model relates to the field of mask accessories of a mask, in particular to a mask fixing frame, a mask and a breathing and filtering device. The utility model relates to a mask fixing frame, comprising: the fixing plate is provided with a through hole penetrating through the body of the fixing plate; the middle part of the pressing plate is hollow and is detachably connected with one surface of the fixing plate; and the at least one rope hanging pile is fixedly arranged on the other surface of the fixing plate. The mask comprises a cylindrical or truncated cone-shaped mask main body, wherein the front surface of the mask main body is provided with an interface penetrating through the mask main body; the mouthpiece is detachably connected to the through hole of the mask holder according to claim 1. The utility model relates to a respiratory filtration device, which comprises a totally-enclosed mask main body, wherein the totally-enclosed mask main body is provided with a mask air inlet and a mask air outlet; the mask fixing frame of claim 1, which is detachably mounted on the totally enclosed mask body, wherein the through hole of the mask fixing frame is communicated with the mask air inlet.

Description

Gauze mask mount, gauze mask and breathe filter equipment

Technical Field

The utility model relates to the field of mask accessories of a mask, in particular to a mask fixing frame, a mask and a breathing and filtering device.

Background

Various breathing equipment worn on the face of a human body currently comprises a mask, a face mask, an oxygen mask, an atomizing mask … and the like, for example, in public places where people gather more, the mask can be worn selectively for preventing respiratory viruses such as droplets, viruses and the like; for an environment with toxic gas, a gas mask is worn optionally; for an attendant such as a restaurant, to wear an anti-splash baffle disposed in front of the mouth, typically when taking food; … …, and the like.

The filtering function of the existing face mask or the breathing filtering device is mainly to filter by means of the filter material arranged on the air inlet and the air outlet of the existing face mask or the breathing filtering device, but the filter material of the existing face mask or the breathing filtering device is of a structure with a fixed shape by a manufacturer or has an excessively high requirement on the filter material, so that a consumer cannot use local materials when the filter material is consumed and the filter material is not available;

in addition, the existing mask or face shield the face, so that a transparent mask is provided, and the transparent mask material does not have a filtering effect, so that the filter material is usually arranged on the side edge of the mask or is communicated with an external filtering device by connecting an air pipe; however, the above scheme has little filtering effect or too many accessories;

in the area with serious epidemic situation, in order to increase the epidemic prevention effect, the medical care personnel on site wear the mask through the mouth and nose parts, wear the eye shield on the eyes, then wear the anti-droplet baffle plate, and the three protective articles are used in a matching way. If a fan and the like are added, the fan needs to be tied to the waist, a long air pipe needs to be additionally connected between the fan and the waist, and therefore the fan and the air pipe are inconvenient to work respectively.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to solve at least one of the above-mentioned prior problems.

In order to solve the above technical problems, the mask fixing frame of the present invention comprises:

the fixing plate is provided with a through hole penetrating through the body of the fixing plate;

the middle part of the pressing plate is hollowed and is detachably connected with one surface of the fixing plate;

and the at least one rope hanging pile is fixedly arranged on the other surface of the fixing plate.

As a preferred embodiment of the mask fixing frame of the present invention, the fixing plate is provided with a clamping groove, and the pressing plate is detachably connected to the fixing plate through the clamping groove.

The mask fixing frame comprises a rain-proof cover, and the rain-proof cover is detachably connected with the fixing plate.

The mask comprises a cylindrical or truncated cone-shaped mask main body, wherein the front surface of the mask main body is provided with a port penetrating through the mask main body; the interface is detachably connected with the through hole of the mask fixing frame.

In a preferred embodiment of the mask of the present invention, the edge of the mask body is provided with an inner fastening skirt or an air bag.

As a preferred embodiment of the mask of the present invention, three string connecting ports are respectively formed at both sides of the mask body.

According to the mask, the mask fixing frame and the interface on the front face of the mask main body are replaced by the first filter material mounting part which at least partially surrounds the side face of the mask fixing frame;

the mask main body is made of transparent materials;

including the setting element, this setting element at least part encircles the outside of gauze mask main part, and be greater than the length of first filter media installation department, the setting element with connection or swing joint can be dismantled to the gauze mask main part.

The utility model relates to a respiratory filtration device, which comprises a totally-enclosed mask main body, wherein the totally-enclosed mask main body is provided with a mask air inlet and a mask air outlet;

include the gauze mask mount, this gauze mask mount demountable installation in totally closed face guard main part, the through-hole of gauze mask mount with face guard air inlet intercommunication.

As a preferred embodiment of the breathing filter device, the mask fixing frame is replaced by a second filter material mounting part mounted at the air inlet of the mask; the second filter material installation part is provided with a filter material fixing part which is detachably connected or movably connected.

the air conditioner comprises at least one fan, wherein the fan comprises a fan air inlet and a fan air outlet;

wherein the fan air outlet is communicated with the mask air inlet;

include the gauze mask mount, this gauze mask mount demountable installation in the fan, wherein the through-hole of gauze mask mount with fan air intake intercommunication.

As a preferred embodiment of the respiratory filtration device of the present invention, the air outlet of the blower is communicated with the air inlet of the mask through an air pipe.

As a preferred embodiment of the respiratory filtration device of the present invention, the mask fixing frame is replaced with a third filter material mounting portion disposed at the air inlet of the blower; the third filter material installation part is provided with a filter material fixing part which is detachably connected or movably connected.

In a preferred embodiment of the respiratory filtration device of the present invention, the third filter mounting portion has a circular structure or a trumpet-shaped structure.

As a preferred embodiment of the breathing filter device of the present invention, there are two fans, wherein a fan air outlet of one of the fans is communicated with a mask air inlet of the totally enclosed mask body, and a fan air inlet of the other fan is communicated with a mask air outlet of the totally enclosed mask body.

As a preferred embodiment of the breathing filter device of the present invention, the fully enclosed mask body is provided with a sound input component and a sound playing component, and the sound input component and the sound playing component are connected by wire or wirelessly.

Advantageous effects

The utility model has the following innovative advantages:

1. the mask fixing frame comprises a fixing plate and a pressing plate, wherein the fixing plate is provided with a through hole penetrating through a body of the fixing plate, and the middle part of the pressing plate is hollow and is detachably connected with one surface of the fixing plate; the mask fixing frame can directly adopt common mask function filter materials on the market through the scheme, and is matched with a fan, a mask, a breathing mask, a face mask and other products with the same functions for use, so that local materials can be obtained by a user, and the filter materials can be conveniently replaced.

2. According to the mask fixing frame, the fixing plate is provided with the clamping groove, so that the pressing plate can be conveniently detachably connected with the fixing plate.

3. The mask fixing frame has the function of keeping off dust or rain through the added rain cover.

4. The mask comprises at least part or all of the characteristics of the mask fixing frame, and on the basis, the interface is arranged on the mask main body and is communicated with the through hole of the mask fixing frame through the interface, so that the mask main body is higher in fitting degree with the five sense organs of a human body, a wearer is not directly contacted with the existing mask finished product on the market, a certain space is kept between the wearer and the mask finished product, the mask is more beneficial to breathing of the user, and the non-breathable feeling of the traditional mask is reduced.

5. According to the mask, the edge of the mask main body is provided with the inner fastening skirt edge or the air bag, so that the mask main body is tightly attached to the five sense organs of a human body in use.

6. According to the mask, the two sides of the mask main body are respectively provided with the three rope connecting openings, so that the two sides of the mask main body can be respectively provided with one mask rope for use, and one mask rope can also be used.

7. According to the mask, the mask fixing frame and the interface on the front face of the mask main body are replaced by the first filter material mounting part at least partially surrounding the side face of the mask main body, the mask main body is made of transparent materials, and the first filter material mounting part at least partially surrounding the side face of the mask main body is arranged on the side face of the mask main body; and the positioning piece enables other people to clearly see the facial five sense organs after the mask body is worn on the five sense organs of the human body, and the filter material is the first filter material mounting part mounted on the side face of the mask body, so that the mask can reduce the shielding of the facial five sense organs.

8. According to the breathing filter device, the totally-enclosed mask main body is communicated with the mask fixing frame, so that five sense organs of the whole face of a wearer can be completely enclosed by the totally-enclosed mask main body, unfiltered air is prevented from entering gaps, the filter material of the breathing filter device can be directly obtained locally, and the existing mask on the market can be directly selected for use, so that a special filter material is not needed, and the breathing filter device is more beneficial to being used by wide consumers; and the use of the totally-enclosed mask main body also avoids the defect that no filtered air enters through the gap at the edge of the mask when people wear a disposable mask or an N95 mask on the traditional market.

9. According to the respiratory filtration device, the mask fixing frame is replaced by the second filter material mounting part mounted at the air inlet of the mask; the second filter material installation part is provided with a filter material fixing part which is detachably connected or movably connected. The mask fixing frame can be equivalently replaced by the scheme.

10. Utility model breathes filter equipment through combining totally closed face guard main part with fan and gauze mask mount for the fan can be a large amount of fresh air from the face guard air inlet to totally closed face guard main part in, realize the air flow speed in the totally closed face guard main part with higher speed, and also reduce the stifled hotness sense that the user wearing time is of a specified duration, also prevent to fog in the totally closed face guard main part.

11. According to the breathing filter device, the mask fixing frame is replaced by the third filter material mounting part arranged at the air inlet of the fan, so that the size of the breathing filter device is reduced;

12. the third filter material installation part is of a circular structure or a horn-shaped structure, so that different third filter material installation parts can be switched according to different use scenes.

13. According to the breathing filter device, the two fans are arranged, so that one fan supplies air into the totally-enclosed mask main body, and the other fan draws air from the totally-enclosed mask main body, and the speed of air flow is further accelerated.

14. According to the breathing filter device, the sound input component and the sound playing component are arranged in the totally-enclosed mask main body, so that the influence of the totally-enclosed mask main body on speaking can be integrally reduced.

Drawings

FIG. 1 is a schematic perspective view of embodiment 1 of the present invention;

FIG. 2 is an exploded view schematically showing embodiment 1 of the present invention;

FIG. 3 is a perspective view of the "inside buckle skirt" according to embodiment 2 of the present invention;

FIG. 4 is a schematic perspective view of the "airbag" provided in embodiment 2 of the present invention;

FIG. 5 is a perspective view of the "inside buckle skirt" according to embodiment 3 of the present invention;

FIG. 6 is an exploded schematic view of FIG. 5;

FIG. 7 is a schematic perspective view of an "airbag" provided in embodiment 3 of the present invention;

FIG. 8 is a schematic top view from a perspective of example 4 of the present invention;

FIG. 9 is a schematic perspective view of example 4 of the present invention using example 1;

FIG. 10 is a schematic perspective view of a second filter mounting unit according to example 4 of the present invention;

FIG. 11 is a partially exploded schematic view of FIG. 10;

FIG. 12 is a schematic perspective view of example 5 of the present invention using example 1;

FIG. 13 is a schematic perspective view of example 5 of the present invention showing a "third filter mounting unit";

FIG. 14 is a schematic perspective view of another configuration of a "third filter mounting portion" in FIG. 13;

FIG. 15 is a partially exploded schematic view of FIG. 14;

FIG. 16 is a schematic perspective view of example 5 of the present invention using "two motors";

FIG. 17 is a partially exploded schematic view of FIG. 16;

in the figure: 1. a fixing plate, 2 through holes, 3 pressing plates, 4 rope hanging piles, 5 mask finished products, 5 clamping grooves, 7 rain shielding covers, 8 mask bodies, 9 first filter material installation parts, 10 positioning parts, 11 inner buckling skirt edges, 12 air bags, 13 filter materials, 14 rope receiving openings, 15 connectors,

16. the fully-closed mask comprises a fully-closed mask body, 17 parts of a mask air inlet, 18 parts of a mask air outlet, 19 parts of a second filter material mounting part, 20 parts of a filter material fixing part, 21 parts of a fan, 22 parts of a fan air inlet, 23 parts of a fan air outlet, 24 parts of an air pipe, 25 parts of a third filter material mounting part and 26 parts of an audio input component.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the embodiments of the present disclosure will be described in detail and fully with reference to the accompanying drawings.

Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some of the embodiments of the present disclosure, and not all of the embodiments.

All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Example 1

As shown in fig. 1 to 2, the mask fixing frame of the present invention includes a fixing plate 1, wherein the shape and structure of the fixing plate 1 are not limited, and preferably, the fixing plate 1 has a size and shape similar to the size and shape of the mask finished product 5 on the market, and the fixing plate 1 is provided with a through hole 2 penetrating through the body thereof; the middle part of the pressing plate 3 is hollow and is detachably connected with one surface of the fixing plate 1; and the rope hanging pile 4 is fixedly arranged on the other surface of the fixing plate 1. The mask finished product 5 is a disposable mask or an N95 mask or other types of existing masks on the market at present, the actual use mode is shown in the figure, the existing mask finished product 5 on the market can be placed on the fixing plate 1, the mask ropes of the mask finished product 5 can be fixedly connected through the rope hanging piles 4 to play roles of placing, aligning and fixing, and the mask finished product 5 is secondarily fixed on the fixing plate 1 through the pressing plate 3 to be finally completed; through the scheme, the mask fixing frame can be directly matched with common masks on the market for use; and realize communicating with outside equipment through the through-hole 2 that sets up at fixed plate 1, use like the product cooperation that fan, gauze mask, respiratory mask, face guard and other functions are equal, for example use with current fan or respiratory mask or face guard collocation, make it can directly use the effect of current ordinary gauze mask on the market as the filter media, and need not special change special filter media to fan or gauze mask, face guard, the person of facilitating the use draws materials on the spot, conveniently changes the filter media.

As shown in the figure, the fixing plate 1 is provided with a clamping groove 6, and the pressing plate 3 is detachably connected with the fixing plate 1 through the clamping groove 6. In practice, the pressing plate 3 can be replaced by other equivalent snap-fit connection structures or fixing pins for facilitating the detachable connection of the pressing plate 3 with the fixing plate 1.

As shown in the figure, the rain-proof cover 7 is included, and the rain-proof cover 7 is detachably connected with the fixing plate 1. This keep off rain and cover detachable connection accessible sliding connection, buckle connection, magnetism type connection or magic subsides between 7 and the fixed plate 1, through the rain cover 7 that keeps off that increases for play the effect that keeps off the dust or keep off the rain.

Example 2

As shown in fig. 3 to 4, the mask of the present invention includes at least part or all of the features of embodiment 1, and on the basis of the features, includes a cylindrical or truncated cone-shaped mask body 8, the mask body 8 is preferably made of soft plastic, and the front surface of the mask body 8 is provided with a port 15 penetrating through itself; the interface 15 is detachably connected to the through hole 2 of the mask holder according to embodiment 1. Through above scheme and combine the figure to show, through setting up interface 15 with the higher authority of gauze mask main part 8, rethread interface 15 communicates with through-hole 2 of embodiment 1 gauze mask mount to this realizes that gauze mask main part 8 is higher with human five sense organ laminating degree, and make the person of wearing not direct contact current gauze mask finished product 5 on the market and keep having certain space with between the gauze mask finished product 5, make more be favorable to the user to breathe, reduce the not ventilative sense of traditional gauze mask.

As shown in fig. 3 and 4, the edge of the mask body 8 is provided with an inner fastening skirt 11 or an air bag 12, so that the mask body 8 can be tightly attached to the five sense organs of a human body in use.

As shown in fig. 3 to 4, three string connecting ports 14 are respectively provided at both sides of the mask body 8. Referring to the drawings, three rope connecting openings 14 are respectively formed in two sides of the mask body 8, so that the mask body 8 can be used by respectively installing one mask rope on each of the two sides of the mask body, and can also be used by using one mask rope.

Example 3

As shown in fig. 5 to 7, the mask of the present invention 4 includes at least part or all of the features of embodiment 2, and in addition thereto, the mask holder and the interface 15 on the front surface of the mask body 8 described in embodiment 1 are replaced with the first filter mounting portion 9 at least partially surrounding the side surface thereof, that is, in embodiment 3, the features of embodiment 1 and the interface 15 on the front surface of the mask body 8 are deleted on the basis of embodiment 2, and after deletion, the first filter mounting portion 9 at least partially surrounding the side surface thereof is only provided on the side surface of the mask body 8; and setting the mask body 8 as a transparent material; still include setting element 10, this setting element 10 at least part encircles the outside of gauze mask main part 8, and is greater than the length of first filter media installation department 9, setting element 10 with gauze mask main part 8 can dismantle connection or swing joint. As shown in fig. 6, the filter medium 13 is attached to the first filter medium attachment portion 9, and thus, after the mask body 8 is attached to the human facial features, the mask body is made of a transparent material, so that the facial features can be clearly seen by other people, and the filter medium 13 is attached to the first filter medium attachment portion 9 on the side surface thereof, so that the mask body can reduce the obstruction of the facial features.

Example 4

As shown in fig. 8 to 9, the respiratory filtration device of the present invention comprises a fully enclosed mask body 16, wherein the fully enclosed mask body 16 is provided with a mask air inlet 17 and a mask air outlet 18; the mask fixing frame of the embodiment 1 is further included, wherein the whole mask fixing frame of the embodiment 1 is detachably mounted on the fully-closed mask main body 16, the mounting position of the mask fixing frame is not limited, and the through hole 2 of the mask fixing frame is communicated with the mask air inlet 17. As shown in fig. 9, by the above scheme, the totally-enclosed mask main body 16 can completely enclose five sense organs of the whole face of the wearer to prevent unfiltered air from entering into gaps, and the mask fixing frame is communicated with the mask air inlet 17, so that the whole air inlet is realized by the mask air inlet 17, and the mask fixing frame connected with the mask fixing frame filters the entering air through the mask finished product 5 arranged on the mask fixing frame, so that the air breathed by the wearer of the product is filtered air. By adopting the mask fixing frame in the embodiment 1, the filter material of the breathing filter device can be directly obtained from local materials and directly selected from the existing masks in the market for use, so that a special filter material is not needed, and the mask fixing frame is more beneficial to the use of consumers; and the use of the totally-enclosed mask main body 16 also overcomes the defect that unfiltered air enters through the edge gap of the traditional mask when people only wear a disposable mask or an N95 mask in the market.

As shown in fig. 10 to 11, in the present embodiment 4, in the foregoing solutions, the mask fixing frame of embodiment 1 added thereto may be replaced by a second filter mounting portion 19 mounted on the mask air inlet 17; the second filter mounting part 19 is provided with a filter fixing member 20 detachably or movably connected. As shown in the figure, the second filter mounting portion 19 is provided with a filter 13 therein, wherein the filter 13 may be a dedicated filter matched with the filter, or a filter (such as melt blown fabric) that is cut by a user to a size matched with the size of the second filter mounting portion 19 for use, and the mask fixing frame described in the foregoing of embodiment 4 is replaced by the filter.

Example 5

As shown in fig. 12, the respiratory filtration device of the present invention comprises a fully enclosed mask body 16, the fully enclosed mask body 16 having a mask inlet 17 and a mask outlet 18; the air conditioner also comprises at least one fan 21, wherein the fan 21 comprises a fan air inlet 22 and a fan air outlet 23; wherein the fan outlet 23 is in communication with the mask inlet 17; the mask fixing frame is detachably mounted on the fan 21, and the through hole 2 of the mask fixing frame is communicated with the fan air inlet 22. Through the embodiment, compared with the embodiment 4, the fan 21 is additionally arranged, so that a large amount of fresh air can be input into the fully-closed mask main body 16 from the mask air inlet 17 through the fan 21 in the wearing process of a user, the air flow speed in the fully-closed mask main body 16 is accelerated, the stuffy feeling of the user in long wearing time is reduced, and the fogging in the fully-closed mask main body 16 is prevented; meanwhile, the added mask fixing frame also enables air sucked by the fan 21 to be filtered, and the added mask fixing frame is convenient for a user to use without matching with a specific filter material, and can be directly used as the filter material of the whole machine by adopting the existing mask on the market.

As shown in the figures and described above, the blower outlet 23 is communicated with the mask inlet 17 through an air pipe 24; the air pipe 24 is added, so that the installation position of the fan 21 can be freely arranged at any position of the fully enclosed mask main body 16.

As shown in fig. 13 to 15, in the present embodiment 5, under the above-mentioned scheme, the mask fixing frame of the embodiment 1 may be replaced by a third filter mounting portion 25 disposed at the air inlet 22 of the blower; the third filter mounting portion 25 is provided with a filter fixing member 20 detachably or movably connected thereto.

As shown in fig. 13 to 15, the third filter mounting portion 25 has a circular or horn-shaped configuration. So that the third filter mounting part 25 can be switched to different ones according to different use scenes.

As shown in fig. 16 to 17, in this embodiment, on the basis of the embodiments described above, the fans 21 may be provided in two, in which the fan outlet 23 of one of the fans 21 is communicated with the mask inlet 17 of the totally enclosed mask body 16, and the fan inlet 22 of the other fan 21 is communicated with the mask outlet 18 of the totally enclosed mask body 16. Through the scheme, two fans 21 supply air to the fully-closed mask main body 16, and one fan draws air from the fully-closed mask main body 16, so that the air flowing speed is further accelerated.

As mentioned above, the fully enclosed mask body 16 is provided with the sound input component 26 and the sound playing component, wherein the sound input component 26 is preferably installed at a position of the fully enclosed mask body 16 corresponding to the facial mouth, and wherein the sound playing component can be installed at any position of the fully enclosed mask body 16, or the sound playing component is not installed on the fully enclosed mask body 16 through a wireless connection.

The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

While the preferred embodiments of the present invention have been described in detail, it is to be understood that the utility model is not limited to the details of the foregoing description, since other embodiments may be devised without departing from the basic scope of the utility model, and the scope thereof is determined by the claims that follow.

Claims

1. Gauze mask mount, its characterized in that includes:

2. The mask fixing frame according to claim 1, wherein the fixing plate is provided with a clamping groove, and the pressing plate is detachably connected with the fixing plate through the clamping groove.

3. The mask mount according to claim 1, comprising a rain cover detachably connected to the fixing plate.

4. The mask is characterized by comprising a cylindrical or truncated cone-shaped mask main body, wherein the front surface of the mask main body is provided with a port penetrating through the mask main body; the interface is detachably connected with the through hole of the mask fixing frame of claim 1.

5. The mask of claim 4 wherein said mask body has an inner skirt or bladder at the edge.

6. The mask of claim 4 wherein three string-connecting openings are provided on each side of the mask body.

7. The mask, characterized in that the mask fixing frame of claim 1 and the interface of the front face of the mask main body are replaced by a first filter material mounting part which at least partially surrounds the side face of the mask fixing frame;

the mask main body is made of transparent materials;

8. The breathing filtering device is characterized by comprising a totally-enclosed mask main body, wherein the totally-enclosed mask main body is provided with a mask air inlet and a mask air outlet;

the mask fixing frame of claim 1, which is detachably mounted on the totally enclosed mask body, wherein the through hole of the mask fixing frame is communicated with the mask air inlet.

9. The respiratory filtration device according to claim 8, wherein the mask holder according to claim 1 is replaced with a second filter mounting portion mounted to an air inlet of a mask; the second filter material installation part is provided with a filter material fixing part which is detachably connected or movably connected.

10. The breathing filtering device is characterized by comprising a totally-closed mask main body, wherein the totally-closed mask main body is provided with a mask air inlet and a mask air outlet;

the device comprises at least one fan, wherein the fan comprises a fan air inlet and a fan air outlet;

the fan air outlet is communicated with the mask air inlet;

the mask fixing frame of claim 1, which is detachably mounted to the blower, wherein the through hole of the mask fixing frame is communicated with the air inlet of the blower.

11. The respiratory filtration device of claim 10 wherein the fan outlet communicates with the mask inlet via an air tube.

12. The respiratory filtration device according to claim 10, wherein the mask holder according to claim 1 is replaced with a third filter mounting portion disposed at an air inlet of a blower; the third filter material installation part is provided with a filter material fixing part which is detachably connected or movably connected.

13. The respiratory filtration device of claim 12, wherein the third filter mount is of a circular or flared configuration.

14. The respiratory filtration device of claim 12, wherein the number of the fans is two, wherein the fan outlet of one of the fans is communicated with the mask inlet of the totally enclosed mask body, and the fan inlet of the other fan is communicated with the mask outlet of the totally enclosed mask body.

15. The respiratory filtration device of claim 10 or 14, wherein the fully enclosed mask body is provided with a sound input component and a sound playing component, the sound input component and the sound playing component being connected by wire or wirelessly.