Nasal cavity air filter

Abstract

The utility model relates to the technical field of air filtration, and discloses a nasal cavity air filter which comprises a nasal cavity attaching shell, a plurality of first ventilation holes are formed in the outer arc face of the nasal cavity attaching shell, and a plurality of second ventilation holes are formed in the inner side of the nasal cavity attaching shell. According to the air filter for the nasal cavity, the air permeability can be increased by utilizing a plurality of ventilation holes II and ventilation holes III formed in the inner side of the nasal cavity fitting shell, so that the ventilation holes can be used as ventilation holes in the breathing process, and the conditions of nasal cavity itching and the like caused by air tightness are prevented; the two auxiliary rubber handles are used for controlling threaded teeth arranged on the outer arc surface of the filtering assembly and a mounting shell arranged on the mounting shell on the outer side of the nasal cavity fitting shell to form threaded mounting, so that the filtering assembly in the using process can be replaced in the using process; the filter cotton is installed in an interlayer of the four limiting clamping plates and the two limiting transverse strips by means of the soft resilience characteristic of the filter cotton, so that the filter cotton and the filter assembly form double filtration, and meanwhile the filter cotton can be replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of air filtration, in particular to a nasal cavity air filter. Background Art

[0002] The nasal air filter is a protective device that mainly filters out tiny particulate matter such as viruses, bacteria, pollen, etc. through the principle of the filter. It has a certain protective effect in some special environments, such as heavily polluted industrial areas, spring with the most pollen, etc. It uses high-efficiency electrostatic filter materials and has the characteristics of high filtration efficiency and low resistance.

[0003] However, the following problems still exist in the actual operation process: in the process of using the nasal air filter for air filtration, since the nasal air filter is in a state of contact with the nose cavity, it will cause nasal itching due to airtightness during breathing, and the filtration effect of the nasal air filter will continue to deteriorate due to the air state of the use environment during use, and the replacement can only be done by discarding the entire filter, resulting in an increase in the cost of use. For this reason, the utility model provides a nasal air filter. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the utility model provides a nasal air filter with the advantages of multiple holes for easy breathing and replaceable filter core and filter cotton, which solves the problems raised in the background technology.

[0005] The utility model provides the following technical solution: a nasal air filter includes a nasal fitting shell, wherein the outer arc surface of the nasal fitting shell is provided with a plurality of first air holes, the inner side of the nasal fitting shell is provided with a plurality of second air holes, the outer side of the nasal fitting shell is fixedly mounted with a mounting shell, the interior of the mounting shell is provided with a screw groove, the inner part of the screw groove is threadedly connected to a filter assembly, and the outer side of the filter assembly is fixedly mounted with two auxiliary rubber handles.

[0006] Preferably, two limiting horizontal bars are fixedly mounted on the inner wall of the nasal cavity fitting shell, and filter cotton is fitted on the outer sides of the two limiting horizontal bars.

[0007] Preferably, three ventilation holes are provided on the inner side of the nasal cavity fitting shell, and the three ventilation holes are located in the center.

[0008] Preferably, four grooves are provided on the surface of the nasal cavity fitting shell, and limiting clamps are fixedly installed inside the four grooves, and filter cotton is fitted on the inner side of the limiting clamps.

[0009] Preferably, two extension plates are fixedly mounted on the outer arc surface of the nasal cavity fitting shell, the two extension plates are internally rotatably connected with a connecting shaft, and a linkage arc plate is fixedly mounted on the outer arc surface of the connecting shaft.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] The nasal air filter can ensure air permeability when breathing inside the nasal cavity through the multiple air holes 1 opened on the outer arc surface of the nasal cavity fitting shell. At the same time, the air permeability can be increased by using the multiple air holes 2 and air holes 3 opened on the inner side of the nasal cavity fitting shell, and can be used as vents during breathing to prevent conditions such as nasal itching caused by airtightness. Two auxiliary glues are used to form a threaded installation between the screw teeth set on the outer arc surface of the control filter component and the mounting shell opened on the outer side of the nasal cavity fitting shell, so that the filter component that has been used can be replaced during use. The filter cotton is installed in the interlayer of four limiting clamps and two limiting horizontal bars by using its soft and resilient characteristics, thereby forming double filtration with the filter component and can also be replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall structure of the device of the utility model;

[0013] Figure 2 For this utility model Figure 1 The right side structural diagram of

[0014] Figure 3 This is a schematic diagram of the internal structure of the nasal cavity fitting shell of the present invention.

[0015] In the figure: 1. Nasal cavity fitting shell; 2. Breathing hole 1; 3. Mounting shell; 4. Screw groove; 5. Auxiliary rubber handle; 6. Filter assembly; 7. Extension plate; 8. Connecting shaft; 9. Linkage arc plate; 10. Breathing hole 2; 11. Breathing hole 3; 12. Filter cotton; 13. Limiting horizontal bar; 14. Limiting card plate. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] See also Figure 1-3The nasal air filter comprises a nasal fitting shell 1, the outer arc surface of the nasal fitting shell 1 is provided with a plurality of ventilation holes 2, the inner side of the nasal fitting shell 1 is provided with a plurality of ventilation holes 2 10, the outer side of the nasal fitting shell 1 is fixedly installed with a mounting shell 3, the interior of the mounting shell 3 is provided with a screw groove 4, the internal thread of the screw groove 4 is connected with a filter component 6, the filter component 6 adopts a multi-layer specially designed filter mesh to filter air, which can filter out dust, pollen, bacteria, viruses and other pollutants in the air and effectively protect our respiratory system. Two auxiliary rubber handles 5 are fixedly installed on the outer side of the filter component 6, and the two auxiliary rubber handles 5 are used to control the screw teeth set on the outer arc surface of the filter component 6 to form a threaded installation with the mounting shell 3 opened on the outer side of the nasal fitting shell 1, so that the filter component 6 that has been used can be replaced during use. Two limiting horizontal bars 13 are fixedly installed on the inner wall of the nasal fitting shell 1, and the outer sides of the two limiting horizontal bars 13 are fitted with filter cotton 12. 2 soft and resilient properties are installed in the interlayer of four limiting card plates 14 and two limiting horizontal bars 13, thereby forming a double filter with the filter component 6, and can also be replaced. The inner side of the nasal cavity fitting shell 1 is provided with a ventilation hole three 11. The ventilation holes one 2 opened on the outer arc surface of the nasal cavity fitting shell 1 can ensure the air permeability when breathing inside the nasal cavity. At the same time, the ventilation holes two 10 and the ventilation holes three 11 opened on the inner side of the nasal cavity fitting shell 1 can increase the air permeability, thereby It can be used as a vent during breathing to prevent conditions such as nasal itching caused by airtightness, and the three air holes 11 are located in the center. Four grooves are provided on the surface of the nasal cavity fitting shell 1, and the internal parts of the four grooves are fixedly installed with a limiting card plate 14. The inner side of the limiting card plate 14 is fitted with a filter cotton 12. Two extension plates 7 are fixedly installed on the outer arc surface of the nasal cavity fitting shell 1. The internal parts of the two extension plates 7 are rotatably connected with a connecting shaft 8, and the outer arc surface of the connecting shaft 8 is fixedly installed with a linkage arc plate 9.

[0018] Working principle: During operation, several air holes 1 2 opened on the outer arc surface of the nasal fitting shell 1 can ensure the air permeability when breathing inside the nasal cavity. At the same time, several air holes 2 10 and air holes 3 11 opened on the inner side of the nasal fitting shell 1 can increase the air permeability, and then can be used as vents during breathing to prevent conditions such as nasal itching caused by airtightness. Two auxiliary glue handles 5 are used to control the screw teeth set on the outer arc surface of the filter component 6 and the mounting shell 3 opened on the outer side of the nasal fitting shell 1 to form a threaded installation, and then the filter component 6 that has been used can be replaced during use. The soft and resilient characteristics of the filter cotton 12 are used to install it in the interlayer of four limiting card plates 14 and two limiting horizontal bars 13, thereby forming double filtration with the filter component 6, and it can also be replaced.

[0019] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0020] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Nasal air filter, characterized in that, The invention comprises a nasal cavity fitting shell (1), wherein the outer arc surface of the nasal cavity fitting shell (1) is provided with a plurality of first air holes (2), the inner side of the nasal cavity fitting shell (1) is provided with a plurality of second air holes (10), the outer side of the nasal cavity fitting shell (1) is fixedly mounted with a mounting shell (3), the interior of the mounting shell (3) is provided with a screw groove (4), the inner part of the screw groove (4) is threadedly connected with a filter assembly (6), and the outer side of the filter assembly (6) is fixedly mounted with two auxiliary rubber handles (5).

2. The nasal air filter according to claim 1, characterized in that: Two limiting horizontal bars (13) are fixedly mounted on the inner wall of the nasal cavity fitting shell (1), and filter cotton (12) is fitted on the outer sides of the two limiting horizontal bars (13).

3. The nasal air filter according to claim 1, characterized in that: The inner side of the nasal cavity fitting shell (1) is provided with three air holes (11), and the three air holes (11) are located at the center.

4. The nasal air filter according to claim 1, characterized in that: The surface of the nasal cavity fitting shell (1) is provided with four grooves, and a limiting clamping plate (14) is fixedly installed inside the four grooves, and a filter cotton (12) is fitted on the inner side of the limiting clamping plate (14).

5. The nasal air filter according to claim 1, characterized in that: Two extension plates (7) are fixedly mounted on the outer arc surface of the nasal cavity fitting shell (1); a connecting shaft (8) is rotatably connected inside the two extension plates (7); and a linkage arc plate (9) is fixedly mounted on the outer arc surface of the connecting shaft (8).

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