CN213307577U

CN213307577U - Protective mask filter element with self-cleaning function

Info

Publication number: CN213307577U
Application number: CN202021106500.0U
Authority: CN
Inventors: 罗青云
Original assignee: Shenzhen Xinyilun Biotechnology Co ltd
Current assignee: Shenzhen Xinyilun Biotechnology Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-06-01
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a protective mask filter element with self-cleaning function, which belongs to the technical field of sanitary protective tools, and comprises a cover surface, a sealing cover is fixedly connected at the outer side of the cover surface, an expiratory valve is fixedly connected at the lower right part of the cover surface, elastic bands are fixedly connected at the left and right ends of the cover surface, a filter element shell is slidably connected at the middle part of the cover surface, a first nano titanium dioxide layer is fixedly connected at the left end inside the filter element shell, a first activated carbon layer is arranged at the right side of the first nano titanium dioxide layer, a nano silver layer is arranged at the right side of the first activated carbon layer, a melt-blown cloth layer is arranged at the right side of the nano silver layer, gas can be filtered through two nano titanium dioxide coatings, two activated carbon filter layers and a nano silver layer, the self-cleaning effect is achieved while the filtering effect is ensured, and the service time of the mask, the frequency of replacing the filter element is reduced, the use loss is reduced, and the cost is saved.

Description

Protective mask filter element with self-cleaning function

Technical Field

The utility model relates to a health protection instrument technical field, more specifically say, relate to a protective facial mask filter core with self-cleaning function.

Background

The mask is a sanitary article, is generally worn at the mouth and nose part for filtering air entering the mouth and nose so as to achieve the purpose of preventing harmful gas, smell and spray from entering and exiting the mouth and nose of a wearer, is made of gauze or paper and the like, has a certain filtering effect on air entering the lung, and has a very good effect when the mask is worn in operation in an environment polluted by dust and the like when respiratory infectious diseases are prevalent.

The existing mask is short in service cycle, even if the mask with the replaceable filter element needs to be replaced continuously, the life cost of people is increased.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a protection gauze mask filter core with self-cleaning function, it can filter gas through two-layer nanometer titanium dioxide coating, two-layer active carbon filter layer and nanometer silver layer, reachs self-cleaning effect when guaranteeing the filter effect, has prolonged the live time of gauze mask filter core, has reduced the frequency of renew cartridge, and then has reduced the use loss, has practiced thrift the expense.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A protective mask filter element with a self-cleaning function comprises a cover surface, wherein a sealing cover is fixedly connected to the outer side of the cover surface, an exhalation valve is fixedly connected to the lower right portion of the cover surface, elastic belts are fixedly connected to the left end and the right end of the cover surface, a filter element shell is slidably connected to the middle of the cover surface, a first nano titanium dioxide layer is fixedly connected to the left end inside the filter element shell, a first activated carbon layer is arranged on the right side of the first nano titanium dioxide layer, a nano silver layer is arranged on the right side of the first activated carbon layer, a melt-blown cloth layer is arranged on the right side of the nano silver layer, a second activated carbon layer is arranged on the right side of the melt-blown cloth layer, a second nano titanium dioxide layer is arranged on the right side of the second activated carbon layer, the first nano titanium dioxide layer, the first activated carbon layer, the nano silver layer, the melt-blown cloth layer, the second activated carbon layer and, the inboard right-hand member fixedly connected with cotton circle that absorbs water of filter element shell, second nanometer titanium dioxide layer and the cotton circle laminating of absorbing water can filter gas through two-layer nanometer titanium dioxide coating, two-layer active carbon filter layer and nanometer silver layer, reachs self-cleaning effect when guaranteeing the filter effect, has prolonged the live time of gauze mask filter core, has reduced the frequency of renew cartridge, and then has reduced the loss of use, has practiced thrift the expense.

Furthermore, the middle outer side of the cover surface is in threaded connection with a fastening nut, the fastening nut is in internal sliding connection with the filter element shell, the filter element shell is in internal sliding connection with a first clamping sleeve, the right side of the first clamping sleeve is in sliding connection with a second clamping sleeve, the fastening nut, the first clamping sleeve and the second clamping sleeve are annular plastic blocks, gaps between the filter element and the mask are sealed, and the safety of a product is improved.

Further, the material of filter element shell is transparent plastic, the inside packing of top facing has the active carbon, the internal surface of sealed cowling bonds and has the non-woven fabrics, the edge of sealed cowling bonds and has the silica gel pad, has alleviated the soft degree with face contact, has increased the comfort level of wearing, has increased the practicality of product.

Furthermore, the water absorption cotton ring is annular, the water absorption cotton ring is attached to the second nano titanium dioxide layer, the nano titanium dioxide coating has super-hydrophilicity and super-permanence under illumination, and water exhaled from the suction port returns to be dry under the illumination of the sun, so that the self-cleaning capability of the product is enhanced.

Further, the inside valve block of expiratory valve is one of silica gel sheet, PVC sheet or rubber sheet, the area of expiratory valve accounts for 1/8 ~ 1/10 of cover face area, makes things convenient for expired gas, has increased the use comfort of product.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) can filter gas through two-layer nanometer titanium dioxide coating, two-layer active carbon filter layer and nanometer silver layer, reach self-cleaning effect when guaranteeing the filter effect, prolong the live time of gauze mask filter core, reduce the frequency of renew cartridge, and then reduced the service loss, practiced thrift the expense.

(2) The middle part outside threaded connection of top facing has fastening nut, fastening nut's inside sliding connection filter core shell, and filter core shell and fastening nut's inside sliding connection has first cutting ferrule, and the right side sliding connection of first cutting ferrule has the second cutting ferrule, and fastening nut, first cutting ferrule and second cutting ferrule are annular plastic block, have sealed the gap between filter core and the gauze mask, have increased the security of product.

(3) The material of filter element shell is transparent plastic, and the inside packing of top facing has active carbon, and the internal surface of sealed cowling bonds and has the non-woven fabrics, and the edge of sealed cowling bonds and has the silica gel pad, has alleviated the soft degree with face contact, has increased the comfort level of wearing, has increased the practicality of product.

(4) The water absorption cotton ring is annular, the water absorption cotton ring is attached to the second nano titanium dioxide layer, the nano titanium dioxide coating has super-hydrophilicity and super-permanence under illumination, and water exhaled from the suction port returns to be dry under the illumination of the sun, so that the self-cleaning capability of the product is enhanced.

(5) The inside valve block of expiratory valve is one of silica gel sheet, PVC sheet or rubber sheet, and the area of expiratory valve accounts for 1/8 ~ 1/10 of cover face area, makes things convenient for expired gas, has increased the use comfort of product.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

FIG. 3 is a schematic view of the connection structure of the filter element shell and the nano silver layer of the present invention;

fig. 4 is a schematic perspective view of the present invention.

The reference numbers in the figures illustrate:

1. covering; 2. a sealing cover; 3. an exhalation valve; 4. elastic bands; 5. a filter element housing; 6. a first nano titanium dioxide layer; 7. a first activated carbon layer; 8. a nano silver layer; 9. melt-blown fabric layer; 10. a second activated carbon layer; 11. a second nano titanium dioxide layer; 12. a water absorbent cotton ring; 13. fastening a nut; 14. a first ferrule; 15. and a second ferrule.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-4, a protective mask filter element with a self-cleaning function comprises a cover surface 1, a sealing cover 2 is fixedly connected to the outer side of the cover surface 1, an exhalation valve 3 is fixedly connected to the right lower part of the cover surface 1, elastic bands 4 are fixedly connected to the left and right ends of the cover surface 1, a filter element shell 5 is slidably connected to the middle of the cover surface 1, a first nano titanium dioxide layer 6 is fixedly connected to the left end inside the filter element shell 5, a first activated carbon layer 7 is arranged on the right side of the first nano titanium dioxide layer 6, a nano silver layer 8 is arranged on the right side of the first activated carbon layer 7, a melt-blown cloth layer 9 is arranged on the right side of the nano silver layer 8, a second activated carbon layer 10 is arranged on the right side of the melt-blown cloth layer 9, a second nano titanium dioxide layer 11 is arranged on the right side of the second activated carbon layer 10, the first nano titanium dioxide layer 6, the first activated carbon layer 7, the nano silver layer 8, the melt-blown cloth layer 9, the inboard right-hand member fixedly connected with cotton circle 12 that absorbs water of filter element shell 5, second nanometer titanium dioxide layer 11 and the cotton circle 12 laminating that absorbs water can filter gas through two-layer nanometer titanium dioxide coating, two-layer active carbon filter layer and nanometer silver layer 8, reachs self-cleaning effect when guaranteeing the filter effect, has prolonged the live time of gauze mask filter core, has reduced the frequency of renew cartridge, and then has reduced the loss of use, has practiced thrift the expense.

Referring to fig. 1-2, the outer side of the middle of the cover 1 is connected with a fastening nut 13 through a thread, the fastening nut 13 is connected with the filter element housing 5 in a sliding manner, the filter element housing 5 and the fastening nut 13 are connected with a first cutting ferrule 14 in a sliding manner, the right side of the first cutting ferrule 14 is connected with a second cutting ferrule 15 in a sliding manner, and the fastening nut 13, the first cutting ferrule 14 and the second cutting ferrule 15 are annular plastic blocks, so that a gap between the filter element and the mask is sealed, and the safety of the product is improved.

Referring to fig. 1, the filter element shell 5 is made of transparent plastic, the inside of the cover surface 1 is filled with activated carbon, the inner surface of the sealing cover 2 is bonded with non-woven fabric, and the edge of the sealing cover 2 is bonded with a silica gel pad, so that the softness of contacting with the face is alleviated, the wearing comfort is increased, and the practicability of the product is increased.

Referring to fig. 3, the absorbent cotton ring 12 is annular, the absorbent cotton ring 12 is attached to the second nano titanium dioxide layer 11, the nano titanium dioxide coating has super-hydrophilicity and super-permanence under illumination, and the moisture exhaled from the absorbent cotton ring is dried under the illumination of the sun, so that the self-cleaning capability of the product is enhanced.

Referring to fig. 4, the internal valve sheet of the exhalation valve 3 is one of a silica gel sheet, a PVC sheet or a rubber sheet, and the area of the exhalation valve 3 occupies 1/8-1/10 of the area of the cover surface 1, so that the exhalation valve is convenient to exhale, and the use comfort of the product is improved.

During the use, at first place filter element shell 5 and get into the middle part of top facing 1 inboard, tighten fastening nut 13, directly cooperate through first cutting ferrule 14 and second cutting ferrule 15 and play sealed top facing 1 and filter element shell 5's effect, the security of product has been increased, next with 2 laminating noses of sealed cowling, it colludes behind the ear to say elastic cord 4 again, play fixed integrated device's effect, the gauze mask bonds with facial contact segment has materials such as silica gel, the softness degree with face contact has been alleviated, the comfort level of wearing has been increased, the practicality of product has been increased, just can carry out comfortable breathing after that, breathe the gas of exhaling through expiratory valve 3, conveniently breathe out gas, the use comfort level of product has been increased.

In the breathing process, gas is filtered layer by layer in the filter element shell 5, wherein the first nano titanium dioxide layer 6 passes through, organic pollutants adsorbed on the surface of titanium oxide can be decomposed into carbon dioxide and oxygen by utilizing the photocatalytic reaction of the titanium oxide, so that the first nano titanium dioxide layer 6 has the functions of sterilization, antifouling, deodorization and antibiosis, the next first activated carbon layer 7 passes through, the first activated carbon layer 7 adsorbs gas, liquid or colloidal solid on the activated carbon in the first activated carbon layer, the quality of adsorbed substances can be close to the quality of the activated carbon, the self-cleaning effects of gas prevention, deodorization, bacteria filtration, dust resistance and the like are realized, absorbed impurities can be released by irradiating sunlight to play a self-cleaning effect, the next nano silver layer 8 passes through, and when nano silver in the nano silver layer 8 contacts microbial cells, nano silver particles can attach to the surface of bacteria, after cell walls and cell membranes are effectively punctured and enter a bacterium body, nano silver particles react with sulfhydryl groups with negative charges in bacterial protease, the protease rapidly loses activity and denatures due to the loss of the sulfhydryl groups, bacteria cannot breathe, metabolize and reproduce until the bacteria die, the sterilization effect is achieved, after the activity of the bacteria is lost, silver ions can be dissociated from the bacteria, the sterilization activity is repeated, the self-cleaning effect can be achieved, the bacteria can also pass through a melt-blown cloth layer 9, the melt-blown cloth layer 9 is essentially a fiber filter, flying foam containing viruses is close to the melt-blown cloth and can be electrostatically adsorbed on the surface and cannot permeate through the surface, then a second activated carbon layer 10 is passed, the second activated carbon layer 10 is mainly used for adsorbing gas peculiar smell and water vapor produced from the oral cavity, the self-breathing environment is purified, and meanwhile, the self-cleaning effect can be achieved through solar irradiation, finally, the second nano titanium dioxide layer 11 passes through, and the second nano titanium dioxide layer 11 utilizes the fact that the nano titanium dioxide coating has super-hydrophilicity and super-permanence under illumination, and the moisture exhaled from the suction port returns to be dry under the irradiation of the sun, so that the self-cleaning capability of the product is enhanced.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a protective facial mask filter core with self-cleaning function, includes top facing (1), the outside fixedly connected with sealed cowling (2) of top facing (1), the right lower part fixedly connected with expiratory valve (3) of top facing (1), the equal fixedly connected with elastic cord (4) of end about top facing (1), its characteristic with: the middle part of the cover surface (1) is slidably connected with a filter element shell (5), the left end inside the filter element shell (5) is fixedly connected with a first nano titanium dioxide layer (6), the right side of the first nano titanium dioxide layer (6) is provided with a first activated carbon layer (7), the right side of the first activated carbon layer (7) is provided with a nano silver layer (8), the right side of the nano silver layer (8) is provided with a melt-blown cloth layer (9), the right side of the melt-blown cloth layer (9) is provided with a second activated carbon layer (10), the right side of the second activated carbon layer (10) is provided with a second nano titanium dioxide layer (11), the first nano titanium dioxide layer (6), the first activated carbon layer (7), the nano silver layer (8), the melt-blown cloth layer (9), the second activated carbon layer (10) and the second nano titanium dioxide layer (11) are fixedly connected with the filter element shell (5), the right end inside the filter element shell (5) is fixedly connected with a water absorption cotton ring (12), the second nano titanium dioxide layer (11) is attached to the water absorption cotton ring (12).

2. The filter element of the protective mask with the self-cleaning function according to claim 1, wherein: the filter element is characterized in that a fastening nut (13) is in threaded connection with the outer side of the middle of the cover surface (1), the fastening nut (13) is in internal sliding connection with the filter element shell (5), the filter element shell (5) and the fastening nut (13) are in internal sliding connection with a first clamping sleeve (14), the right side of the first clamping sleeve (14) is in sliding connection with a second clamping sleeve (15), and the fastening nut (13), the first clamping sleeve (14) and the second clamping sleeve (15) are annular plastic blocks.

3. The filter element of the protective mask with the self-cleaning function according to claim 1, wherein: the filter element shell (5) is made of transparent plastic, activated carbon is filled in the cover surface (1), non-woven fabrics are bonded on the inner surface of the sealing cover (2), and a silica gel pad is bonded on the edge of the sealing cover (2).

4. The filter element of the protective mask with the self-cleaning function according to claim 1, wherein: the shape of the water absorption cotton ring (12) is annular, and the water absorption cotton ring (12) is attached to the second nano titanium dioxide layer (11).

5. The filter element of the protective mask with the self-cleaning function according to claim 1, wherein: the inner valve plate of the expiratory valve (3) is one of a silica gel sheet, a PVC sheet or a rubber sheet, and the area of the expiratory valve (3) occupies 1/8-1/10 of the area of the cover surface (1).