CN114468418B

CN114468418B - Medical protective mask

Info

Publication number: CN114468418B
Application number: CN202210141645.1A
Authority: CN
Inventors: 王杉羽
Original assignee: Beijing Jiaotong University
Current assignee: Beijing Jiaotong University
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-10-25
Anticipated expiration: 2042-02-16
Also published as: CN114468418A

Abstract

The invention discloses a medical protective mask which comprises a mask body, wherein ear belts are symmetrically connected to the outer side of the mask body, first creases are symmetrically arranged on the outer side of the mask body and close to the ear belts, second creases are arranged in the middle of the outer side of the mask body, and the first creases and the second creases are arranged in the width direction of the mask body. The medical protective mask provided by the invention is convenient to orderly fold, and the mask is prevented from being damaged due to disordered deformation.

Description

Medical protective mask

Technical Field

The application relates to the field of masks, in particular to a medical protective mask.

Background

The mask is a sanitary article, is worn on the mouth and nose of a human body to filter air entering the mouth and nose so as to achieve the effect of blocking harmful gas, smell, spray, virus and other substances, and is mainly made of non-woven fabrics. The mask has a certain filtering function on air entering the lung, and has a very good protection function when the mask is worn when respiratory infectious diseases are prevalent or work is carried out in an environment polluted by dust and the like. Existing masks may be classified into air filtration type masks and air supply type masks.

The inventor knows that the user can fold the protective mask for storage after using the protective mask for the first time so as to be convenient for carrying; however, because the existing medical protective mask is of an integrated structure, the folding is generally disordered, and the mask is easily deformed in a disordered way and damaged.

The above technical problem needs to be solved.

Disclosure of Invention

The invention aims to provide a medical protective mask which is convenient to fold orderly and prevents the mask from being damaged due to disordered deformation.

In order to achieve the purpose, the invention provides a medical protective mask which comprises a mask body, wherein ear belts are symmetrically connected to the outer side of the mask body, first creases are symmetrically arranged on the outer side of the mask body and close to the ear belts, second creases are arranged in the middle of the outer side of the mask body, and the first creases and the second creases are arranged along the width direction of the mask body.

As a further improvement of the technical scheme of the invention, a flexible cushion is fixedly connected to the upper part of the inner side of the cover body, the flexible cushion is arranged along the length direction of the cover body, and an elastic mechanism is arranged in the flexible cushion; the resilient mechanism may be locked when the cover is fully folded and restored by resilient restoring forces when unlocked.

As a further improvement to the technical solution of the present invention, the elastic mechanism comprises a nose concave clip fixedly installed at the middle inside the flexible pad and a rectangular block;

the two ends of the nose concave clamp are fixedly connected with concave blocks, the number of the rectangular blocks is two, hinged blocks are fixedly mounted at one ends, close to the nose concave clamp, of the rectangular blocks, the hinged blocks are connected to the insides of the concave blocks through rotating shafts, and the concave blocks connected through the rotating shafts are connected with torsion springs, used for providing elastic restoring force, of the two opposite sides of the hinged blocks;

the one end that articulated piece was kept away from to the rectangular block is connected with first software respectively and presss from both sides, the second software presss from both sides, the inboard fixed mounting that first software pressed from both sides has the magnet piece, the inboard fixed mounting that the second software pressed from both sides has the corresponding iron sheet corresponding with the magnet piece, and the magnet piece attracts mutually with corresponding iron sheet magnetism when the cover body is completely folded in order to realize the locking.

As a further improvement of the technical scheme of the invention, the nose concave clamp, the first soft clamp and the second soft clamp are made of elastic materials, and the concave block, the rectangular block and the hinge block are made of hard materials.

As a further improvement to the technical scheme of the invention, the flexible pad is in a sponge strip structure.

As a further improvement to the technical scheme of the invention, an oral pad assembly is stuck in the middle of the inner side of the cover body; the mouth pad assembly comprises a filter layer, the front end face of the filter layer is fixedly connected with absorbent cotton, the end face of the absorbent cotton, far away from the filter layer, is fixedly connected with a pasting layer, and the pasting layer is pasted in the middle of the inner side of the cover body.

As a further improvement of the technical scheme of the invention, the absorbent cotton consists of a folding layer and a flat layer, wherein the folding layer is connected with the front end surface of the filter layer, and the flat layer is connected with the rear end surface of the adhesive layer.

As a further improvement of the technical scheme of the invention, the filter layer is made of needle-punched cotton and is provided with a plurality of micropores with the pore diameter of 0.1-0.5 mu m.

In summary, compared with the prior art, the beneficial effects of the invention include:

firstly, the first crease and the second crease are arranged on the cover body, the cover body can be symmetrically folded along the middle part due to the second crease, the left side and the right side of the cover body can be further folded inwards due to the first crease, the cover body is folded to the minimum after being folded twice, the space occupied by the protective mask is reduced, the protective mask is convenient to store and carry, and the protective mask can be orderly folded due to the first crease and the second crease, so that the mask is prevented from being damaged due to disordered deformation.

Secondly, the two side parts of the cover body can be closed by hands through an elastic mechanism in the flexible cushion, the elasticity is overcome, and the cover body is locked through a locking assembly consisting of the magnet sheet and the corresponding iron sheet, so that the cover body after being folded can be prevented from being improperly unfolded; and under the exogenic action, the unblock of locking subassembly, the cover body can expand automatically and recover under the elastic restoring force effect, and the protection mask's of being convenient for quick use facilitates for the inconvenient user of hand.

Thirdly, the nose concave clip and the second soft clip in the elastic mechanism of the invention are made of elastic materials and can deform according to the radian of the nose and the face of a wearer, the concave block and the rectangular block are made of hard materials, the two can change the angle according to the deformation of the nose concave clip, the first soft clip and the second soft clip respectively, and the elasticity of the torsion spring is smaller than the magnetic force of the magnet piece, so that after the magnet piece and the corresponding iron piece are separated and unlocked, the torsion spring resets the rectangular block, the first soft clip and the second soft clip, and the medical protective mask can be automatically opened and maintained at a specific use angle, thereby reducing the oppressive feeling of the mask on the face of the wearer.

Fourthly, the absorbent cotton in the mouth pad assembly consists of the folding layer and the flat layer, when the mouth pad assembly is pasted at the mouth and nose part on the inner side of the mask body through the pasting layer, water vapor generated by breathing of a wearer enters the absorbent cotton through the filtering layer, the folding layer increases the contact area of the water vapor and the absorbent cotton, so that gas in the mouth pad assembly area circulates, the water vapor generated by breathing of the wearer is absorbed under the condition of not influencing the breathing of the wearer, and the comfort of the wearer is improved.

Drawings

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

FIG. 1 is a schematic perspective view of a medical protective mask according to the present invention;

fig. 2 is a schematic view of a three-dimensional explosion structure of the medical protective mask of the present invention;

FIG. 3 is a schematic perspective right view of the elastic mechanism of the present invention;

FIG. 4 is a schematic left-side view of the elastic mechanism of the present invention;

FIG. 5 is a schematic perspective cross-sectional view of an oral pad assembly of the present invention;

wherein: 1. a cover body; 2. an ear band; 3a, a first crease; 3b, a second fold; 4. a flexible pad; 5. an elastic mechanism; 501. a nose concave clip; 502. a concave block; 503. a rectangular block; 504. a hinged block; 505. a torsion spring; 506. a first soft clip; 507. a second soft clip; 508. a magnet piece; 509. corresponding to the iron sheet; 6. an oral pad assembly; 601. a filter layer; 602. absorbent cotton; 603. and (6) sticking the layer.

Detailed Description

The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions used in the examples may be further adjusted according to specific conditions, and the conditions used in the experiments are not specifically mentioned.

Examples

As shown in fig. 1 to 5, this embodiment provides a medical protective mask, which includes a mask body 1, the outside of the mask body 1 is symmetrically connected with ear straps 2, the outside of the mask body 1 is symmetrically provided with first creases 3a near the ear straps 2, the middle of the outside of the mask body 1 is provided with second creases 3b, and the first creases 3a and the second creases 3b are both arranged along the width direction of the mask body 1.

The mask body 1 may be the same as the mask of the prior art, for example, made of a plurality of layers of non-woven fabric; the cover 1 is preferably a reusable product; the ear belt 2 is used for being worn by a user; the first fold 3a and the second fold 3b can be formed by pressing; the first fold 3a may be provided at a position spaced from the left and right edges of the cover 1 by a width of 1/5 to 1/4, for example, and may be slightly inclined.

Through set up first crease 3a and second crease 3b on the cover body 1, second crease 3b makes cover body 1 can follow the middle part symmetry folding, first crease 3a makes the left and right sides of cover body 1 further inwards turn over and roll over, through twice folding back, cover body 1 is folding to minimum this moment, reduce the shared space of protective mask, be convenient for deposit and carry, and first crease 3a and second crease 3b make protective mask can fold in order, prevent that the gauze mask from damaging because of taking place out of order and warping

In the embodiment, a flexible cushion 4 is fixedly connected to the upper part of the inner side of the cover body 1, the flexible cushion 4 is arranged along the length direction of the cover body 1, and an elastic mechanism 5 is arranged in the flexible cushion 4; the elastic means 5 can be locked when the cover 1 is completely folded and restored by elastic restoring force when unlocked. The flexible pad 4 extends to the edge of the first fold 3a and prevents interference with the first fold 3 a. The flexible pad 4 is preferably of a sponge strip construction.

The two side parts of the cover body 1 can be closed by hands through the elastic mechanism 5 in the flexible cushion 4 to overcome elasticity and locked through the locking component, so that the folded cover body 1 can be prevented from being unfolded improperly; and under the exogenic action, the unblock of locking subassembly, cover body 1 can expand automatically and recover under the elastic restoring force effect, and the protection mask's of being convenient for quick use facilitates for the inconvenient user of hand.

Specifically, the elastic mechanism 5 comprises a nose concave clip 501 and a rectangular block 503, wherein the nose concave clip 501 is fixedly installed in the middle of the inner part of the flexible pad 4; the two ends of the nose concave clamp 501 are fixedly connected with concave blocks 502, the number of the rectangular blocks 503 is two, one ends, close to the nose concave clamp 501, of the rectangular blocks 503 are fixedly provided with hinged blocks 504, the hinged blocks 504 are connected inside the concave blocks 502 through rotating shafts, and the concave blocks 502 and the two opposite surfaces of the hinged blocks 504 which are connected through the rotating shafts are connected through torsion springs 505 which provide elastic restoring force; one end of each rectangular block 503, which is far away from the hinge block 504, is connected with a first soft clamp 506 and a second soft clamp 507, respectively, a magnet piece 508 is fixedly mounted on the inner side of the first soft clamp 506, a corresponding iron piece 509 corresponding to the magnet piece 508 is fixedly mounted on the inner side of the second soft clamp 507, and the magnet piece 508 and the corresponding iron piece 509 are magnetically attracted to realize locking when the cover body 1 is completely folded.

In this embodiment, the nose concave clip 501 and the second soft clip 507 in the elastic mechanism 5 are made of elastic material and can deform according to the curvature of the nose and face of the wearer, the concave block 502 and the rectangular block 503 are made of hard material, and can change their angles according to the deformation of the nose concave clip 501, the first soft clip 506 and the second soft clip 507, respectively, and the elastic force of the torsion spring 505 is smaller than the magnetic force of the magnet 508, so that after the magnet 508 and the corresponding iron piece 509 are separated and unlocked, the torsion spring 505 resets the rectangular block 503, the first soft clip 506 and the second soft clip 507, and the mask body 1 is automatically opened and maintained at a specific use angle (or the curvature and the expansion angle of the medical protective mask are reset to the original angle during secondary use), so as to reduce the oppression feeling of the mask on the face of the wearer.

In this embodiment, the nasal concave clip 501, the first soft clip 506 and the second soft clip 507 are made of elastic materials, and the concave block 502, the rectangular block 503 and the hinge block 504 are made of hard materials; the magnetic force generated by the magnet piece 508 attracting is larger than the elastic force of the torsion spring 505.

In this embodiment, it should be noted that the elastic material is a deformable material, such as a nose fixing strip commonly used in a conventional mask, and the hard material is a material with higher hardness.

In the embodiment, the middle part of the inner side of the cover body 1 is adhered with the mouth pad assembly 6; the mouth pad assembly 6 comprises a filter layer 601, the front end face of the filter layer 601 is fixedly connected with absorbent cotton 602, the end face of the absorbent cotton 602 far away from the filter layer 601 is fixedly connected with an adhesive layer 603, and the adhesive layer 603 is adhered in the middle of the inner side of the mask body 1.

In this embodiment, the absorbent cotton 602 is composed of a folded layer and a flat layer, the folded layer is connected to the front end surface of the filter layer 601, and the flat layer is connected to the rear end surface of the adhesive layer 603; the filter layer 601 is made of needle punched cotton, and a plurality of micropores with the pore diameter of 0.1-0.5 μm are arranged on the filter layer 601.

In this embodiment, the cotton 602 that absorbs water in the mouth pad subassembly 6 comprises folded layer and flat layer, and paste when the inboard mouth nose department of the cover body 1 through pasting layer 603 as the mouth pad subassembly 6, the moisture that the wearer breathes and produces gets into in the cotton 602 that absorbs water through the filter layer 601, the folded layer increases the area of contact of moisture and the cotton 602 that absorbs water, make the regional gas circulation of mouth pad subassembly 6, thereby absorb the moisture that its breathing produced under the condition that does not influence the wearer and breathe, with this comfort that improves the wearer.

The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by using equivalents or equivalent changes fall within the scope of the present invention.

Claims

1. The utility model provides a medical protective facial mask, includes the cover body (1), the outside symmetric connection of the cover body (1) has ear area (2), its characterized in that: first creases (3 a) are symmetrically arranged on the outer side of the cover body (1) and close to the ear belt (2), a second crease (3 b) is arranged in the middle of the outer side of the cover body (1), and the first creases (3 a) and the second creases (3 b) are arranged along the width direction of the cover body (1);

a flexible pad (4) is fixedly connected to the upper part of the inner side of the cover body (1), the flexible pad (4) is arranged along the length direction of the cover body (1), and an elastic mechanism (5) is arranged in the flexible pad; the elastic mechanism (5) can be locked when the cover body (1) is completely folded and can be restored by elastic restoring force when unlocked;

the elastic mechanism (5) comprises a nose concave clamp (501) and a rectangular block (503), and the nose concave clamp (501) is fixedly arranged in the middle of the inner part of the flexible pad (4);

the two ends of the nose concave clamp (501) are fixedly connected with concave blocks (502), the number of the rectangular blocks (503) is two, one ends, close to the nose concave clamp (501), of the rectangular blocks (503) are fixedly provided with hinged blocks (504), the hinged blocks (504) are connected to the inner parts of the concave blocks (502) through rotating shafts, and the two opposite surfaces of the concave blocks (502) and the hinged blocks (504) which are connected through the rotating shafts are connected through torsion springs (505) for providing elastic restoring force;

two one end that articulated piece (504) was kept away from in rectangle piece (503) is connected with first software respectively and presss from both sides (506), second software and presss from both sides (507), the inboard fixed mounting that first software pressed from both sides (506) has magnet piece (508), the inboard fixed mounting that the second software pressed from both sides (507) has corresponding iron sheet (509) corresponding with magnet piece (508), and magnet piece (508) and corresponding iron sheet (509) magnetism attract each other in order to realize the locking when the cover body (1) is folded completely.

2. The medical protective mask according to claim 1, wherein: the nose concave clip (501), the first soft clip (506) and the second soft clip (507) are made of elastic materials, and the concave block (502), the rectangular block (503) and the hinge block (504) are made of hard materials.

3. The medical protective mask according to claim 1, wherein: the flexible pad (4) is of a sponge strip structure.

4. The medical protective mask according to any one of claims 1 to 3, characterized in that: an oral pad assembly (6) is stuck in the middle of the inner side of the cover body (1); the mouth pad subassembly (6) includes filter layer (601), the preceding terminal surface fixedly connected with of filter layer (601) cotton (602) that absorbs water, the terminal surface fixedly connected with that filter layer (601) was kept away from in cotton (602) that absorbs water pastes layer (603), paste layer (603) and paste the middle department in cover body (1) inboard.

5. The medical protective mask according to claim 4, wherein: the absorbent cotton (602) is composed of a folding layer and a flat layer, the folding layer is connected with the front end face of the filter layer (601), and the flat layer is connected with the rear end face of the adhesive layer (603).

6. The medical protective mask according to claim 4, wherein: the filter layer (601) is made of needle punched cotton, and a plurality of micropores with the pore diameter of 0.1-0.5 mu m are arranged on the filter layer (601).