CN216222662U

CN216222662U - Breathing mask

Info

Publication number: CN216222662U
Application number: CN202120778782.7U
Authority: CN
Inventors: 杜小曦; 杜武浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2022-04-08
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses a breathing mask, which comprises a mask body, a cover body, a filter bag and a power source filter bag, the mask body forms a post-filtering space at the mouth and nose of a user, the mask body is provided with a plurality of ventilation holes, the ventilation holes are respectively provided with a connecting part for fixedly connecting the cover body, the filtering bag or the power source filtering bag, the connecting part of at least one ventilation hole is provided with the filtering bag or the power source filtering bag to keep the suction or the exhalation of the gas in the post-filtering space, the filter bag and the power source filter bag both comprise shells, both ends of the outer part of each shell can be fixedly connected with the connecting parts of the vent holes, the pressure in the filtered space adjusts the inlet and outlet directions of the gas by adjusting the installation direction of the power source filter bag, and the filtered space is kept at positive pressure or negative pressure, and the external air is filtered and enters the filtered space and then is exhaled into a circulating process. Through the mode, the mask can keep the pressure balance in the mask body, and the breathing is more natural and smooth.

Description

Breathing mask

Technical Field

The utility model relates to the technical field of air filtering equipment, in particular to a breathing mask.

Background

Respiratory infectious diseases are infectious diseases caused by invasion of pathogens from respiratory infections such as nasal cavities, throats, tracheas, and bronchi of the human body. Because the respiratory tract is communicated with the outside, the chances of dust pollution and the invasion of various pathogens are more.

Dust pollution and harmful gases are prevalent in the manufacturing industry, and although many industries have installed dust removal equipment, they typically only filter larger dust particles, and there is inevitably a difficult to adsorb fine dust and harmful gases in the environment, and in the case of common disposable masks, the wearer must inhale enough air to pass through the mask. It can be difficult for young and elderly people. Furthermore, conventional disposable masks often suffer from lack of ventilation, which can cause discomfort due to overheating and the generation of moisture.

Meanwhile, respiratory infectious diseases are diseases with respiratory symptoms as main parts and are mainly caused by pathogens such as viruses, bacteria, chlamydia, mycoplasma and the like. Common respiratory infectious diseases include influenza, measles, rubella, scarlet fever, pertussis, epidemic cerebrospinal meningitis, adenovirus infection and the like, the types of pathogens are very many, the respiratory infectious diseases can be transmitted by droplets and air transmission, namely, the droplets with the pathogens can float in the air for a long time and transmit the pathogens by the air when a patient coughs or sneezes.

In China, respiratory infectious diseases mainly occur in winter and spring, pathogens are often easily found in collective places such as nursery institutions and schools, the pathogens are concentrated in a short time, respiratory medicine patients are full of the pathogens, medical staff and accompanying staff are also available in respiratory medicine except patients, the risk of infection and spread of the pathogens is very high, the existing masks are tightly attached to the mouth and the nose in order to prevent disease infection, partial users cannot breathe smoothly after wearing the masks, breathing is difficult, and infection prevention effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem of providing the breathing mask, which can keep the pressure balance in the mask body, ensure more natural and smooth breathing and have high infection prevention effect.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a breathing mask, including face guard body, lid, filtration package and power supply filtration package, the face guard body forms in user's oronasal department and strains the back space, be equipped with three ventilation hole on the face guard body, the installation is filtered package or power supply filtration package on the adapting unit in at least one ventilation hole and is kept straining the interior gaseous breathing in of back space or exhale, it all includes the casing to filter package and power supply filtration package, the outside both ends of casing all can be connected fixedly with the adapting unit in ventilation hole, strain the inside pressure in back space and filter the installation direction of package through the adjustment power supply and adjust gaseous direction of business turn over to make and strain and keep malleation or negative pressure in the back space, outside gas is again exhaled to a circulation process after filtering the entering back space.

Further, the ventilation hole is including two ventilation holes that are the middle part ventilation hole and the horizontal symmetry that article style of calligraphy set up, install lid, filtration package or power supply filtration package on the adapting unit in two ventilation holes that middle part ventilation hole and horizontal symmetry set up.

Further, the power supply filter bag includes the casing, be equipped with fan and filtering material in the casing, the casing is equipped with air intake and air exit, the fan is equipped with a central axis X, air intake, air exit are followed the air current direction of fan sets up and passes central axis X.

Further, when the power source filtering bag is installed on the connecting part at the two vent holes, the air outlets of the power source filtering bag are fixedly connected with the connecting part, so that the two vent holes of the power source filtering bag are kept to simultaneously supply air to the filtered space.

Furthermore, when the power source filter bags are installed on the connecting parts at the two ventilation holes which are horizontally and symmetrically arranged, the air inlet of one power source filter bag and the air outlet of the other power source filter bag are respectively and fixedly connected with the connecting parts, so that the two ventilation holes in which the power source filter bags are installed keep one ventilation hole for air inlet and one ventilation hole for air exhaust.

Furthermore, when the power source filter bag is installed on the connecting part at the two ventilation holes which are horizontally and symmetrically arranged, the air inlet of the power source filter bag is fixedly connected with the connecting part, so that the two ventilation holes provided with the power source filter bag can simultaneously exhaust air.

Further, when the cover body and the power source filter bag are respectively installed on the connecting part at the two ventilation holes which are horizontally and symmetrically arranged, the air outlet of the power source filter bag is fixedly connected with the connecting part, so that the ventilation hole provided with the power source filter bag keeps air inlet.

Furthermore, when the cover body and the power source filter bag are respectively arranged on the connecting part at the two ventilation holes which are horizontally and symmetrically arranged, the air inlet of the power source filter bag is fixedly connected with the connecting part, so that one ventilation hole provided with the power source filter bag keeps exhausting.

Furthermore, the mask body is in a non-eye shading type, an eye shading type and a head covering and shoulder covering type.

Furthermore, a standby valve is arranged at the middle vent hole.

Further, the pressure in the filtered space is controlled by increasing or decreasing the number of the power source filter packs installed in the two ventilation holes horizontally symmetrically arranged or changing the power of the power source filter packs.

The utility model has the beneficial effects that: according to the breathing mask, fresh air in the filtered space of the mask body enables breathing to be natural and smooth, wearing is particularly comfortable for a long time, and fogging does not occur; the middle standby valve does not influence the cleanness of the sucked gas; the filter bag can play a role in filtering and can also be used for adjusting the pressure of the filtered space, and the pressure in the filtered space keeps balance as the filter bag is used as a balancing device for adjusting the pressure of the filtered space; the size of the pressure in the space after filtering can be adjusted by selecting the filtering bag with different power, so that the breathing mask is safer and more effective.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of an unobscured configuration of a respiratory mask of the present invention;

FIG. 2 is a schematic view of a visor type breathing mask according to the present invention;

FIG. 3 is a perspective view of a first embodiment of a filter cartridge of a power source for a respiratory mask of the present invention;

FIG. 4 is a front view of a first embodiment of a filter cartridge of a power source for a respiratory mask of the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of one embodiment of a filter cartridge of a respiratory mask power source of the present invention;

FIG. 6 is a schematic illustration of a housing of a first embodiment of a filter cartridge of a power source for a respiratory mask of the present invention;

FIG. 7 is a perspective view of a second embodiment of a filter cartridge of a power source for a respiratory mask of the present invention;

FIG. 8 is an exploded view of a second embodiment of a filter cartridge of a power source for a respiratory mask of the present invention.

1. A front fan housing; 2. a rear fan cover; 3. a first retainer ring; 4. a filter material; 5. a fan; 6. a mask body; 7. filtering the packet; 8. a power source filter pack; 9. a vent hole; 10. a housing; 11. an air inlet; 12. An air outlet; 13. a standby valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Examples of these preferred embodiments are illustrated in the accompanying drawings. The embodiments of the utility model shown in the drawings and described in accordance with the drawings are exemplary only, and the utility model is not limited to these embodiments.

It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the scheme according to the present invention are shown in the drawings, and other details not so relevant to the present invention are omitted.

Also, in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 6, an embodiment of the present invention includes:

the utility model discloses a breathing mask, which comprises a mask body 6, a cover body, a filtering bag 7 and a power source filtering bag 8, wherein a filtering space is formed at the mouth and nose of a user by the mask body 6, a plurality of vent holes 9 are formed in the mask body 6, the filtering bag 7 or the power source filtering bag 8 is arranged on a connecting part of at least one vent hole 9 to keep the air in the filtering space to be sucked or exhaled, the filtering bag 7 and the power source filtering bag 8 both comprise a shell 10, both ends of the outer part of the shell 10 can be connected and fixed with the connecting part of the vent hole 9, the pressure in the filtering space adjusts the inlet and outlet direction of the air by adjusting the mounting direction of the power source filtering bag 8, positive pressure or negative pressure is kept in the filtering space, and the external air is exhaled into the filtering space after being filtered into the filtering space to be a circulation process.

Ventilation hole 9 is including being two ventilation holes 9 that middle part ventilation hole 9 and the horizontal symmetry that article style of calligraphy set up, install the lid on the adapting unit of two ventilation holes 9 that middle part ventilation hole 9 and horizontal symmetry set up, filter package 7 or power supply filter package 8. In the specific implementation of the utility model, according to the specific environmental use requirement, the filtering mode at the vent holes can meet the environmental use requirement by replacing the filtering bag or the power source filtering bag, if the environmental use requirement is higher, the power source filtering bag can be arranged at the position of two vent holes, if the environmental use requirement is lower, the filtering bag can be arranged at the middle ventilating position, and the cover bodies are arranged at the positions of other vent holes, so that only one process that the gas in the filtered space enters the filtered space after being filtered and then is exhaled is ensured.

Further, power supply filter package 8 includes casing 10, is equipped with fan 5 in the casing 10, and casing 10 is equipped with air intake 11 and air exit 12, and fan 5 is equipped with a central axis X, the direction of central axis X is the air current direction that forms after fan 5 starts promptly, and air intake 11, air exit 12 set up and pass along fan 5's air current direction the central axis X, and this kind of wind channel is arranged and is favorable to reducing the suction loss, improves filtration efficiency.

In the first embodiment of the present invention, the casing 10 includes the front wind cover 1 and the rear wind cover 2, and the front wind cover 1 and the rear wind cover 2 are connected and fixed in a snap-fit manner.

Further, the casing 10 is provided with a first retainer ring 3 on the inner side close to the front fan housing 1, the first retainer ring 3 is fixedly provided with a fan 5, the fan 5 is fixedly mounted on the first retainer ring 3 through screws, of course, the fan 5 can also be fixed in other manners, for example, the fan 5 is fixed with the first retainer ring 3 through a clamping manner, the fan 5 is located between the first retainer ring 3 and the filter material 4, a front filter cavity is formed between the rear fan housing 2 and the fan 5, a rear filter cavity is formed between the front fan housing 1 and the first retainer ring 3, when in use, the filter material 4 can be placed in the front filter cavity and/or the rear filter cavity as required, for example, the activated carbon filter layer can filter solid dust and harmful gas, and therefore, the filter effect is further improved. In the embodiment of the utility model, the fan 5 is controlled by a safety power supply, the filter material 4 is made of active carbon or filter cotton or solvent-spray cloth or a combination material thereof, and products with different filter grades are realized by adopting filter materials made of different materials. The filter material 4 of the present invention is not limited to the above-mentioned materials, and a desired filter material may be placed in the filter bag or the power source filter bag according to the use requirements.

Further, when the power source filter bag 8 is installed on the connecting part at the two ventilation holes 9 which are horizontally and symmetrically arranged, the air outlet of the power source filter bag 8 is fixedly connected with the connecting part. At this time, the filter bag 7 is arranged on the connecting part at the middle vent hole 9, which allows air to enter the post-filter space from the power source filter bag 8 at 2 vent holes horizontally and symmetrically arranged for the user to inhale, and the air exhaled by the user is released after being filtered by the filter bag 7.

Furthermore, when the power source filter packages 8 are installed on the connecting parts at the two air vents 9 which are horizontally and symmetrically arranged, the air inlet of one power source filter package 8 and the air outlet of the other power source filter package 8 are respectively connected and fixed with the connecting parts. At this time, a cover body or a filter bag 7 is arranged on the connecting part at the middle vent hole 9, so that a user is ensured to have at least one air inlet channel and one air outlet channel.

Further, when the power source filter bag 8 is installed on the connecting part at the two horizontally symmetrically arranged ventilation holes 9, the air inlet of the power source filter bag 8 is fixedly connected with the connecting part. At this time, the filter bag 7 is arranged on the connecting part at the middle vent hole 9, so that a user can have at least one air inlet channel and one air outlet channel.

Further, when the cover body and the power source filter bag 8 are respectively installed on the connecting parts at the two ventilation holes 9 which are horizontally and symmetrically arranged, the air inlet of the power source filter bag 8 is fixedly connected with the connecting parts. At this time, the filter bag 7 is arranged on the connecting part at the middle vent hole 9, so that a user can have at least one air inlet channel and one air outlet channel.

Further, when the cover body and the power source filter bag 8 are respectively installed on the connecting parts at the two ventilation holes 9 which are horizontally and symmetrically arranged, the air outlet of the power source filter bag 8 is fixedly connected with the connecting parts. At this time, the filter bag 7 is arranged on the connecting part at the middle vent hole 9, so that a user can have at least one air inlet channel and one air outlet channel.

Furthermore, the mask body is of a eye shielding type, an eye shielding-free type and a head covering and shoulder covering type. The edge of the mask body is attached to the face or the shoulder of a user, so that air leakage is avoided, and the safety of use is improved. The positions of the eye-shielding type and the head-covering and shoulder-covering type mask bodies corresponding to the eyes of the user are made of transparent materials, so that the user can be protected in a severe environment and can also carry out conventional operations.

Further, a standby valve 13 is arranged at the middle vent hole.

Further, the pressure inside the filtered space is controlled by increasing or decreasing the number of the power source filter packs 8 installed at the two ventilation holes horizontally symmetrically arranged or by changing the power level of the power source filter packs 8.

When the mask body is used specifically, the power source filter bag can be singly combined with the mask body, a plurality of power source filter bags can be combined with the mask body in a superposition mode, and the filter bags and the power source filter bags can be combined with the mask body in a superposition mode, so that diversified use environments are met.

As shown in fig. 7 and 8, in the second embodiment of the filter bag of the power source of the present invention, the front fan housing 1 and the rear fan housing 2 have the same structure, one end of the front fan housing 1 and one end of the rear fan housing 2 are fixed to the vent hole 9 by a screw thread, and the other end of the front fan housing 1 and the other end of the rear fan housing 2 are fixed to the casing 10 by a screw thread.

When the filter bag 7 or the power source filter bag 8 is not used, the two ends of the filter bag 7 or the power source filter bag 8 seal and store the filter material inside the filter bag 7 or the power source filter bag 8 through installing the soft covers, so that the filter bag is prevented from being exposed in the air for a long time and the efficacy of the filter bag is prevented from being reduced.

The utility model has the beneficial effects that: according to the breathing mask, fresh air in the filtered space of the mask body enables breathing to be natural and smooth, wearing is particularly comfortable for a long time, and fogging does not occur; the intermediate backup valve does not affect the cleanliness of the inhaled gas.

The filter bag can play a role in filtering and can also be used for adjusting the pressure of the filtered space, and the pressure in the filtered space keeps balanced because the filter bag is used as a balancing device for adjusting the pressure of the filtered space.

The internal pressure of the breathing mask can be more safe and effective through multi-stage filtration by selecting the filtering bags with different powers. The filter bags with different power sizes can be manufactured by overlapping two power source filter bags with the same air inlet or air outlet direction; can also be adjusted by the size of the motor power and the addition of the filter material. The gas of this device can get into or exhale the filtration space behind the multi-stage filtration for the inspiratory gas of user is safe, and the gas of exhaling simultaneously is also safe, has protected user's self safety, also makes external environment and personnel obtain the protection.

Furthermore, it should be noted that in the present specification, "include" or any other variation thereof is intended to cover a non-exclusive inclusion, so that a process, a method, an article or an apparatus including a series of elements includes not only those elements but also other elements not explicitly listed, or further includes elements inherent to such process, method, article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. A breathing mask is characterized by comprising a mask body, a cover body, a filter bag and a power source filter bag, the mask body forms a post-filtering space at the mouth and nose of a user, the mask body is provided with a plurality of ventilation holes, the ventilation holes are respectively provided with a connecting part for fixedly connecting the cover body, the filtering bag or the power source filtering bag, the connecting part of at least one ventilation hole is provided with the filtering bag or the power source filtering bag to keep the suction or the exhalation of the gas in the post-filtering space, the filter bag and the power source filter bag both comprise shells, both ends of the outer part of each shell can be fixedly connected with the connecting parts of the vent holes, the pressure in the filtered space adjusts the inlet and outlet directions of the gas by adjusting the installation direction of the power source filter bag, and the filtered space is kept at positive pressure or negative pressure, and the external air is filtered and enters the filtered space and then is exhaled into a circulating process.

2. A respiratory mask as claimed in claim 1, wherein: the ventilation hole is including two ventilation holes that the middle part ventilation hole that is article style of calligraphy setting and horizontal symmetry set up, install the lid on the adapting unit in two ventilation holes that middle part ventilation hole and horizontal symmetry set up, filter package or power supply filter package.

3. A respiratory mask as claimed in claim 1, wherein: the power supply filter bag includes the casing, be equipped with fan and filtering material in the casing, the casing is equipped with air intake and air exit, the fan is equipped with a central axis X, air intake, air exit are followed the air current direction of fan sets up and passes central axis X.

4. A respiratory mask as claimed in either one of claims 2 or 3, wherein: when all installing power supply filter package on the adapting unit of two ventilation hole departments of level symmetry setting, the air exit and the adapting unit of power supply filter package are connected fixedly for two ventilation holes of installing power supply filter package keep simultaneously the air inlet to straining the back space.

5. A respiratory mask as claimed in either one of claims 2 or 3, wherein: when the power source filter bags are arranged on the connecting parts at the positions of the two ventilation holes in the horizontal symmetry mode, the air inlet of one power source filter bag and the air outlet of the other power source filter bag are fixedly connected with the connecting parts respectively, and therefore the two ventilation holes with the power source filter bags are enabled to keep one ventilation hole as air inlet and one ventilation hole as air exhaust.

6. A respiratory mask as claimed in either one of claims 2 or 3, wherein: when the power source filter bag is installed on the connecting part at the two ventilation holes which are horizontally and symmetrically arranged, the air inlet of the power source filter bag is fixedly connected with the connecting part, so that the two ventilation holes provided with the power source filter bag keep exhausting air simultaneously.

7. A respiratory mask as claimed in either one of claims 2 or 3, wherein: when the cover body and the power source filter bag are respectively arranged on the connecting parts at the two ventilation holes, which are horizontally and symmetrically arranged, the air outlet of the power source filter bag is fixedly connected with the connecting parts, so that one ventilation hole provided with the power source filter bag keeps air inlet.

8. A respiratory mask as claimed in either one of claims 2 or 3, wherein: when the cover body and the power source filter bag are respectively arranged on the connecting part at the two ventilation holes which are horizontally and symmetrically arranged, the air inlet of the power source filter bag is fixedly connected with the connecting part, so that one ventilation hole provided with the power source filter bag keeps exhausting.

9. A respiratory mask as claimed in claim 1, wherein: the mask body is of a eye shielding type, an eye shielding-free type and a head covering and shoulder covering type.

10. A respiratory mask as claimed in claim 2, wherein: and a standby valve is arranged at the position of the ventilation hole in the middle of the mask body.

11. A respiratory mask as claimed in claim 6, wherein: when the two air vents exhaust air simultaneously and the air exhaled by the user of the mask body is harmful gas, negative pressure is kept inside the mask body, so that the harmful gas is filtered and exhausted outside the mask body.

12. A respiratory mask as claimed in either one of claims 1 or 2, wherein: the pressure in the filtered space is controlled by increasing or decreasing the number of the power source filter packs arranged in the two horizontally symmetrically arranged ventilation holes or changing the power of the power source filter packs.