阅读说明：本技术 一种预防过敏性鼻炎的口罩 (Mask for preventing allergic rhinitis ) 是由 肖建明 张泽宁 郭胜伟 乔占国 魏道伟 候玲 张广利 于 2021-09-09 设计创作，主要内容包括：一种预防过敏性鼻炎的口罩,本发明涉及医护用品技术领域；固定罩嵌设在口罩本体前侧的开口内,固定罩的外周壁与口罩本体的内周壁固定连接；固定罩的上下两侧穿过固定罩的上下两侧壁后,露设在固定罩的外侧；鼻塞管固定在安装带后侧壁的左右两侧,魔术贴毛面嵌设在固定罩前侧壁上的凹槽内,魔术贴毛面的上下两侧贴附有魔术贴刺面,魔术贴刺面固定在安装带的两侧边上；推动机构设置于固定罩内部的前侧；遮挡框固定在固定罩前侧的外侧壁上；纱布层嵌设在遮挡框内部的前侧,纱布层四周壁的两侧设有卡扣,卡扣与遮挡框的内周壁,连接机构设置于口罩本体的外侧,可在使用的过程中,对过敏性鼻炎进行预防,从而不会引起病变,提高了使用者的舒适度。(The invention discloses a mask for preventing allergic rhinitis, and relates to the technical field of medical supplies; the fixed cover is embedded in the opening at the front side of the mask body, and the outer peripheral wall of the fixed cover is fixedly connected with the inner peripheral wall of the mask body; the upper side and the lower side of the fixed cover penetrate through the upper side wall and the lower side wall of the fixed cover and are exposed outside the fixed cover; the nasal plug tube is fixed on the left side and the right side of the rear side wall of the mounting belt, the magic tape rough surface is embedded in the groove on the front side wall of the fixing cover, the upper side and the lower side of the magic tape rough surface are attached with magic tape stabbing surfaces, and the magic tape stabbing surfaces are fixed on two side edges of the mounting belt; the pushing mechanism is arranged on the front side in the fixed cover; the shielding frame is fixed on the outer side wall of the front side of the fixed cover; gauze layer inlays and establishes the front side in the shelter from frame inside, and the both sides of gauze layer perisporium are equipped with the buckle, and buckle and shelter from the internal perisporium of frame, coupling mechanism set up in the outside of gauze mask body, can be in the in-process of using, prevent allergic rhinitis to can not arouse pathological change, improved user's comfort level.)

1. A mask for preventing allergic rhinitis comprises a mask body (1) and connecting ropes (2), wherein the left side and the right side of the rear part of the mask body (1) are respectively provided with the connecting ropes (2), and two ends of each connecting rope (2) are respectively connected with the upper side and the lower side of one side of the mask body (1); it is characterized in that it also comprises:

the mask comprises a fixed cover (3), wherein the fixed cover (3) is embedded in an opening on the front side of a mask body (1), the outer peripheral wall of the fixed cover (3) is fixedly connected with the inner peripheral wall of the mask body (1), the upper side edge and the lower side edge of the fixed cover (3) are respectively inclined towards two sides, and a plurality of air holes (4) are formed in the left side and the right side of the front side wall of the fixed cover (3) in a matrix manner;

the mounting belt (5) is arranged inside the fixed cover (3), and the upper side and the lower side of the fixed cover (3) respectively penetrate through the upper side wall and the lower side wall of the fixed cover (3) and then are exposed out of the fixed cover (3);

the nasal plug tubes (6) are arranged, the two nasal plug tubes (6) are correspondingly fixed on the left side and the right side of the rear side wall of the mounting belt (5) in the left-right direction, the nasal plug tubes (6) are arranged in the fixing cover (3), and the rear ends of the nasal plug tubes (6) are obliquely arranged upwards;

the hook-and-loop fastener comprises a hook-and-loop fastener rough surface (7), wherein the hook-and-loop fastener rough surface (7) is embedded in a groove on the front side wall of the fixed cover (3), hook-and-loop fastener stabbing surfaces (8) are attached to the upper side and the lower side of the hook-and-loop fastener rough surface (7), and the hook-and-loop fastener stabbing surfaces (8) are respectively fixed on two side edges of the installation belt (5) positioned on the outer side of the fixed cover (3);

the pushing mechanism (9), the said pushing mechanism (9) is set up in the front side of the inside of the fixed cover (3), and locate at the front side of the mounting band (5);

the shielding frame (10) is fixed on the outer side wall of the front side of the fixed cover (3), and the shielding frame (10) is sleeved on the outer side, located on the outer side part of the fixed cover (3), of the mounting belt (5);

the gauze layer (11) is embedded in the front side of the interior of the shielding frame (10), two sides of the peripheral wall of the gauze layer (11) are provided with buckles (12), and the buckles (12) are respectively connected with the inner peripheral wall of the shielding frame (10);

the connecting mechanism (13), the connecting mechanism (13) is arranged on the outer side of the mask body (1).

2. The mask according to claim 1, wherein the mask comprises: the rear end of the nasal obstruction tube (6) is screwed with a cannula (14) through threads, one end of the cannula (14) far away from the nasal obstruction tube (6) is arranged in a sealed spherical manner, a plurality of through holes (15) are equiangularly arranged on the rear side wall of the cannula (14), and the spherical position of the cannula (14) is inserted into the nasal cavity, so that the nasal cavity of a user is prevented from being injured.

3. The mask according to claim 1, wherein the mask comprises: the pushing mechanism (9) comprises:

the pushing plate (9-1), the pushing plate (9-1) is arranged inside the fixed cover (3), and the rear side wall of the pushing plate (9-1) is abutted to the front side wall of the installation belt (5) on one side inside the fixed cover (3);

the connecting springs (9-2) are multiple, the connecting springs (9-2) are fixed on the front side wall of the pushing plate (9-1) in a matrix form, and the front ends of the connecting springs (9-2) are fixed on the inner wall of the fixing cover (3) in a matrix form;

the sleeve pipes (9-3), the number of sleeve pipes (9-3) is several, the several sleeve pipes (9-3) are inserted into the connecting spring (9-2) in a one-to-one correspondence manner, and the sleeve pipes (9-3) are fixed on the inner wall of the fixed cover (3);

the number of the inserted rods (9-4) is multiple, the inserted rods (9-4) are inserted into the sleeve (9-3) in a one-to-one correspondence mode, and the rear ends of the inserted rods (9-4) penetrate through the rear end of the sleeve (9-3) and are fixed on the front side wall of the push plate (9-1).

4. The mask according to claim 1, wherein the mask comprises: the connecting mechanism (13) comprises:

the mask comprises two connecting belts (13-1), wherein the two connecting belts (13-1) are respectively and correspondingly fixed on the left side wall and the right side wall of the mask body (1);

the two elastic belts (13-2) are respectively fixed on one side wall of the connecting belt (13-1) far away from the mask body (1), and the upper side of the elastic belt (13-2) on the left side and the lower side of the elastic belt (13-2) on the right side are arranged on the same plane;

the mask comprises two adhesive tapes (13-3), the two adhesive tapes (13-3) are respectively fixed on one side wall of the elastic tape (13-2) far away from the connecting tape (13-1), and the other end of each adhesive tape (13-3) is connected with the side surface of the adhesive tape (13-3) on the other side through a hasp after respectively bypassing the rear side of the mask body (1).

5. The mask according to claim 4, wherein the mask comprises: the connecting band (13-1) and the adhesive band (13-3) are provided with arc-shaped holes (16) on one sides adjacent to the elastic band (13-2), and when the adhesive band (13-3) bypasses the rear side of the mask body (1), the arc-shaped holes (16) are clamped on the ears of a user, so that pressure on the ears of the user is avoided.

6. The mask according to claim 4, wherein the mask comprises: the middle end of the elastic belt (13-2) is sleeved with the connecting rings (17) and fixed, the adjacent edges of the two connecting rings (17) are embedded with the magnets (18), the upper and lower magnets (18) are arranged in an adsorption mode, and when the elastic belt is used, the two elastic belts (13-2) are connected and limited through the two connecting rings (17).

7. The operation principle of the mask for preventing allergic rhinitis according to claim 1, wherein: when in use, the medicine for preventing allergic rhinitis is placed in the nasal obstruction tube (6), the mask body (1) is covered on the face, the nasal obstruction tube (6) is inserted into the nasal cavity, the upper side of the mask body (1) is covered on the upper side of the nasal cavity, the lower side of the mask body (1) is covered under the chin of the face, then the connecting rope (2) is sleeved on the two ears of a user, so that the mask body (1) is attached to the face, then the two sides of the outer side of the mounting belt (5) are respectively pulled, the magic tape stabbing surface (8) on the mounting belt (5) is attached to the magic tape stabbing surface (7) on the outer side of the fixed cover (3), so that the nasal obstruction tube (6) is fixed, and meanwhile, the pushing mechanism (9) is applied to the mounting belt (5), so that the nasal obstruction tube (6) is tightly inserted into the nasal cavity, and then the buckle (12) on the gauze layer (11) is clamped on the inner wall of the shielding frame (10), and then keep apart the outside dust, after using, take off gauze mask body (1), take off installation area (5) and gauze layer (11), when using next time, change new installation area (5) and gauze layer (11) to facilitate the use.

Technical Field

The invention relates to the technical field of medical supplies, in particular to a mask for preventing allergic rhinitis.

Background

Rhinitis is acute or chronic inflammation caused by damage of nasal mucosa or tissues under the mucosa due to virus infection, germ infection, stimulation of irritants and the like, the rhinitis causes excessive mucus, usually causes symptoms of watery nasal discharge, nasal obstruction and the like, the nasal cavity is used as a first barrier for human breathing, can effectively resist and filter external viruses and attack of rhinitis, reduces the function of the rhinitis, further causes germs to enter various organs in a body to easily cause pathological changes, is easy to catch a rhinitis patient, often causes phenomena of sneezing, watery nasal discharge, nasal obstruction, nosebleed or dryness and the like, and easily causes neurasthenia, headache, dizziness, sore throat, arrhythmia and the like, so that the mask is required to be used for isolating external germs, but the existing mask cannot prevent allergic rhinitis.

Disclosure of Invention

The invention aims to provide a mask which is reasonable in design and convenient to use and can prevent allergic rhinitis in the using process, so that the mask does not cause pathological changes and improves the comfort level of a user.

In order to achieve the purpose, the invention adopts the technical scheme that: the mask comprises a mask body and connecting ropes, wherein the left side and the right side of the rear part of the mask body are respectively provided with the connecting ropes, and two ends of each connecting rope are respectively connected with the upper side and the lower side of one side of the mask body; it also includes:

the fixed cover is embedded in the opening on the front side of the mask body, the outer peripheral wall of the fixed cover is fixedly connected with the inner peripheral wall of the mask body, the upper side edge and the lower side edge of the fixed cover are respectively inclined towards two sides, and the left side and the right side of the front side wall of the fixed cover are provided with a plurality of air holes in a matrix form;

the mounting belt is provided with the inside of the fixed cover, and the upper side and the lower side of the fixed cover respectively penetrate through the upper side wall and the lower side wall of the fixed cover and then are exposed out of the fixed cover;

the two nasal plug tubes are correspondingly fixed on the left side and the right side of the rear side wall of the mounting belt in the left-right direction, the nasal plug tubes are arranged in the fixing cover, and the rear ends of the nasal plug tubes are obliquely arranged upwards;

the hook-and-loop fastener comprises a hook-and-loop fastener rough surface, a hook-and-loop fastener rough surface and a fixing cover, wherein the hook-and-loop fastener rough surface is embedded in a groove on the front side wall of the fixing cover, hook-and-loop fastener stabbing surfaces are attached to the upper side and the lower side of the hook-and-loop fastener rough surface, and the hook-and-loop fastener stabbing surfaces are respectively fixed on two side edges of the mounting belt positioned on the outer side of the fixing cover;

the pushing mechanism is arranged on the front side in the fixed cover and is positioned on the front side of the mounting belt;

the shielding frame is fixed on the outer side wall of the front side of the fixed cover, and the shielding frame is sleeved on the outer side, located on the outer side part of the fixed cover, of the mounting belt;

the gauze layer is embedded in the front side of the interior of the shielding frame, and two sides of the peripheral wall of the gauze layer are provided with buckles respectively connected with the inner peripheral wall of the shielding frame;

and the connecting mechanism is arranged on the outer side of the mask body.

Preferably, the rear end of the nasal plug tube is screwed with the cannula through threads, one end of the cannula, which is far away from the nasal plug tube, is arranged in a sealed spherical manner, a plurality of through holes are formed in the rear side wall of the cannula at equal angles, and the spherical position of the cannula is inserted into the nasal cavity, so that the nasal cavity of a user is prevented from being injured.

Preferably, the pushing mechanism comprises:

the pushing plate is arranged inside the fixed cover, and the rear side wall of the pushing plate is abutted against the front side wall of the installation belt on one side inside the fixed cover;

the connecting springs are arranged in a plurality of forms and are fixed on the front side wall of the pushing plate in a matrix form, and the front ends of the connecting springs are fixed on the inner wall of the fixing cover in a matrix form;

the sleeve pipes are arranged in the connecting springs in a one-to-one corresponding manner and are fixed on the inner wall of the fixed cover;

the inserted bar, the inserted bar be the several, the several inserted bar one-to-one is inserted and is established in the sleeve pipe, the rear end of inserted bar passes behind the sheathed tube rear end, fixes on the preceding lateral wall of slurcam.

Preferably, the connecting mechanism comprises:

the two connecting belts are respectively and correspondingly fixed on the left side wall and the right side wall of the mask body;

the two elastic belts are respectively fixed on one side wall of the connecting belt, which is far away from the mask body, and the upper side of the left elastic belt and the lower side of the right elastic belt are arranged in the same plane;

the mask comprises two adhesive belts, the two adhesive belts are respectively fixed on one side wall of the elastic belt far away from the connecting belt, and the other ends of the adhesive belts are respectively connected with the side face of the adhesive belt on the other side through buckles after bypassing the rear side of the mask body.

Preferably, the connecting band all be equipped with the arc hole on the one side that is adjacent to the elastic webbing with the adhesive tape, when the rear side of gauze mask body was walked around to the adhesive tape, the arc hole card was on user's ears to avoid causing pressure to user's ear.

Preferably, the middle end of the elastic band is sleeved with and fixed with the connecting rings, the adjacent edges of the two connecting rings are embedded with magnets, the upper and lower magnets are arranged in an adsorption manner, and when the elastic band is used, the two elastic bands are connected and limited through the two connecting rings.

The working principle of the invention is as follows: when in use, the medicine for preventing allergic rhinitis is placed in the nasal obstruction tube, the mask body is covered on the face, the nasal plug tube is inserted into the nasal cavity, the upper side of the mask body is covered on the upper side of the nasal cavity, the lower side of the mask body is covered under the chin of the face, then the connecting rope is sleeved on the ears of a user, so that the mask body is attached to the face, then the two sides of the outer side of the mounting belt are respectively pulled, the magic tape stabbing surface on the mounting belt is attached to the magic tape fluffy surface on the outer side of the fixed cover, so that the nasal plug tube is fixed, meanwhile, the pushing mechanism is applied to the mounting belt, so that the nasal plug tube is tightly inserted into the nasal cavity, then the fastener on the gauze layer is clamped on the inner wall of the shielding frame, so as to isolate external dust, after use is finished, the mask body is taken down, the mounting belt and the gauze layer are taken down, when in next use, new mounting belt and gauze layer are replaced, thereby facilitating the use.

Compared with the prior art, the invention has the beneficial effects that:

1. the fixed cover embedded in the front side of the mask body is internally provided with the mounting belt, and the nose plug on the mounting belt can be internally provided with the medicine for preventing rhinitis, so that the allergic rhinitis can be conveniently prevented, and the comfort level of a user is increased;

2. after the two sides of the installation belt respectively penetrate through the side wall of the fixed cover, the installation belt is attached to the magic tape hair surface on the front side wall of the fixed cover through the magic tape stabbing surface, so that the position of the nasal plug tube can be adjusted according to the requirements of each person, and different requirements are further met;

3. the front side of the fixed cover is provided with the shielding frame, and the gauze layer in the shielding frame can be replaced, so that the fixed cover is convenient to recycle, and the cost is saved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front cross-sectional view of the present invention.

Fig. 3 is a side cross-sectional view of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is an enlarged view of a portion B in fig. 3.

Fig. 6 is a schematic view showing a structure of an attachment ring according to the present invention.

Fig. 7 is a schematic structural view of a gauze layer according to the present invention.

Description of reference numerals:

the mask comprises a mask body 1, a connecting rope 2, a fixing cover 3, air holes 4, an installation belt 5, a nasal obstruction tube 6, a magic tape hair side 7, a magic tape thorn side 8, a pushing mechanism 9, a pushing plate 9-1, a connecting spring 9-2, a sleeve 9-3, an insertion rod 9-4, a shielding frame 10, a gauze layer 11, a buckle 12, a connecting mechanism 13, a connecting belt 13-1, an elastic belt 13-2, an adhesive belt 13-3, an insertion tube 14, a through hole 15, an arc hole 16, a connecting ring 17 and a magnet 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 7, the following technical solutions are adopted in the present embodiment: the mask comprises a mask body 1 and connecting ropes 2, wherein the connecting ropes 2 are arranged on the left side and the right side of the rear part of the mask body 1, and two ends of each connecting rope 2 are fixedly adhered to the upper side and the lower side of one side of the mask body 1 respectively; it also includes:

the mask comprises a fixed cover 3, wherein the fixed cover 3 is embedded in an opening on the front side of a mask body 1, the outer peripheral wall of the fixed cover 3 is fixedly adhered to the inner peripheral wall of the mask body 1, the upper side and the lower side of the fixed cover 3 are respectively arranged in an inclined manner towards two sides, and a plurality of air holes 4 are formed in the left side and the right side of the front side wall of the fixed cover 3 in a matrix manner;

the mounting belt 5 is arranged inside the fixed cover 3, and the upper side and the lower side of the fixed cover 3 respectively penetrate through the upper side wall and the lower side wall of the fixed cover 3 and then are exposed outside the fixed cover 3;

the number of the nasal plug tubes 6 is two, the two nasal plug tubes 6 are correspondingly adhered and fixed on the left side and the right side of the rear side wall of the mounting belt 5 from left to right, the nasal plug tubes 6 are arranged in the fixing cover 3, and the rear ends of the nasal plug tubes 6 are obliquely arranged upwards;

the hook and loop fastener comprises a hook and loop fastener rough surface 7, wherein the hook and loop fastener rough surface 7 is embedded and sewn and fixed in a groove on the front side wall of the fixed cover 3, hook and loop fastener stabbing surfaces 8 are attached to the upper side and the lower side of the hook and loop fastener rough surface 7, and the hook and loop fastener stabbing surfaces 8 are respectively sewn and fixed on two side edges of the installation belt 5, which are positioned on the outer side of the fixed cover 3;

the pushing mechanism 9, the said pushing mechanism 9 is set up in the front side inside the fixed cover 3, and locate at the front side of the mounting strip 5;

the shielding frame 10 is fixedly adhered to the outer side wall of the front side of the fixed cover 3, and the shielding frame 10 is sleeved on the outer side, located on the outer side part of the fixed cover 3, of the installation belt 5;

the gauze layer 11 is embedded in the front side of the interior of the shielding frame 10, the two sides of the peripheral wall of the gauze layer 11 are respectively sewed and fixed with a buckle 12, and the buckles 12 are respectively connected with the inner peripheral wall of the shielding frame 10;

and the connecting mechanism 13, wherein the connecting mechanism 13 is arranged on the outer side of the mask body 1.

Preferably, the rear end of the nasal plug tube 6 is screwed with a cannula 14 through a screw thread, one end of the cannula 14 far from the nasal plug tube 6 is arranged in a sealed spherical shape, a plurality of through holes 15 are equiangularly arranged on the rear side wall of the cannula 14, and the spherical position of the cannula 14 is inserted into the nasal cavity, so that the nasal cavity of a user is prevented from being injured.

Preferably, the pushing mechanism 9 further comprises:

the pushing plate 9-1 is arranged inside the fixed cover 3, and the rear side wall of the pushing plate 9-1 is abutted against the front side wall of the installation belt 5 on one side inside the fixed cover 3;

the connecting springs 9-2 are provided, the connecting springs 9-2 are provided with a plurality of connecting springs 9-2, the connecting springs 9-2 are welded and fixed on the front side wall of the pushing plate 9-1 in a matrix manner, and the front ends of the connecting springs 9-2 are welded and fixed on the inner wall of the fixing cover 3 in a matrix manner;

the sleeve 9-3, the said sleeve 9-3 is several, several sleeve 9-3 are inserted in connecting the spring 9-2 one by one, and the sleeve 9-3 is welded and fixed on the inner wall of the fixed cover 3;

the number of the inserted rods 9-4 is several, the inserted rods 9-4 are correspondingly inserted into the sleeves 9-3 one by one, and the rear ends of the inserted rods 9-4 penetrate through the rear ends of the sleeves 9-3 and are welded and fixed on the front side wall of the push plate 9-1.

Preferably, the connecting mechanism 13 further comprises:

two connecting belts 13-1 are provided, and the two connecting belts 13-1 are respectively and correspondingly sewed and fixed on the left side wall and the right side wall of the mask body 1;

the mask body 1 is provided with a connecting belt 13-1, the number of the elastic belts 13-2 is two, the two elastic belts 13-2 are respectively sewn and fixed on one side wall of the connecting belt 13-1 far away from the mask body 1, and the upper side of the elastic belt 13-2 on the left side and the lower side of the elastic belt 13-2 on the right side are arranged in the same plane;

two adhesive tapes 13-3, wherein the number of the adhesive tapes 13-3 is two, the two adhesive tapes 13-3 are respectively sewn and fixed on one side wall of the elastic tape 13-2 far away from the connecting tape 13-1, and the other end of the adhesive tape 13-3 is respectively connected with the side surface of the adhesive tape 13-3 on the other side through a hasp after bypassing the rear side of the mask body 1.

Preferably, the connecting band 13-1 and the adhesive band 13-3 are provided with arc-shaped holes 16 on the sides adjacent to the elastic band 13-2, and when the adhesive band 13-3 bypasses the rear side of the mask body 1, the arc-shaped holes 16 are clamped on the ears of the user, so as to avoid causing pressure on the ears of the user.

Preferably, the middle ends of the elastic belts 13-2 are respectively sleeved and bonded with a connecting ring 17, the adjacent sides of the two connecting rings 17 are respectively embedded with and welded with a magnet 18, the upper and lower magnets 18 are arranged in an adsorbing manner, and when the elastic belts 13-2 are used, the two connecting rings 17 connect and limit the two elastic belts 13-2.

The working principle of the specific embodiment is as follows: when in use, the medicine for preventing allergic rhinitis is placed in the nasal obstruction tube 6, the mask body 1 is covered on the face, the nasal obstruction tube 6 is inserted into the nasal cavity, the upper side of the mask body 1 is covered on the upper side of the nasal cavity, the lower side of the mask body 1 is covered under the chin of the face, then the connecting rope 2 is sleeved on the ears of a user, so that the mask body 1 is attached to the face, then the two sides of the outer side of the mounting belt 5 are respectively pulled, the magic tape stabbing surface 8 on the mounting belt 5 is attached to the magic tape stabbing surface 7 on the outer side of the fixed cover 3, so that the nasal obstruction tube 6 is fixed, meanwhile, the pushing mechanism 9 is applied to the mounting belt 5, so that the nasal obstruction tube 6 is tightly inserted into the nasal cavity, then the buckle 12 on the gauze layer 11 is clamped on the inner wall of the shielding frame 10, further, external dust is isolated, after use is finished, the mask body 1 is taken down, the mounting belt 5 and the gauze layer 11 are taken down, when the novel gauze-type mounting belt is used next time, the mounting belt 5 and the gauze layer 11 are replaced with new ones, so that the novel gauze-type mounting belt is convenient to use.

Compared with the prior art, the beneficial effects of the embodiment are as follows:

1. the fixed cover 3 embedded in the front side of the mask body 1 is internally provided with an installation belt 5, and a medicine for preventing rhinitis can be placed in a nasal obstruction tube 6 on the installation belt 5, so that allergic rhinitis can be conveniently prevented, and the comfort level of a user is increased;

2. after the two sides of the installation belt 5 respectively penetrate through the side wall of the fixed cover 3, the installation belt is attached to the magic tape rough surface 7 on the front side wall of the fixed cover 3 through the magic tape stabbing surface 8, so that the position of the nasal plug tube 6 can be adjusted according to the requirements of each person, and different requirements are further met;

3. the front side of the fixed cover 3 is provided with a shielding frame 10, and a gauze layer 11 in the shielding frame 10 can be replaced, so that the fixed cover is convenient to recycle, and the cost is saved;

4. the connecting mechanism 13 is arranged on the outer side of the mask body 1, and the adhesive tape 13-3 in the connecting mechanism 13 can be adsorbed on the connecting tape 13-1 on the other side after bypassing the back side of the head of a user, so that the pulling force of the connecting rope 2 on the ear is reduced, and the comfort level of the user during wearing is improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.